/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.server.wm; import static android.view.WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW; import static android.view.WindowManager.LayoutParams.FIRST_SUB_WINDOW; import static android.view.WindowManager.LayoutParams.FLAG_BLUR_BEHIND; import static android.view.WindowManager.LayoutParams.FLAG_COMPATIBLE_WINDOW; import static android.view.WindowManager.LayoutParams.FLAG_DIM_BEHIND; import static android.view.WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON; import static android.view.WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE; import static android.view.WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM; import static android.view.WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER; import static android.view.WindowManager.LayoutParams.LAST_APPLICATION_WINDOW; import static android.view.WindowManager.LayoutParams.LAST_SUB_WINDOW; import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING; import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION; import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD; import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG; import static android.view.WindowManager.LayoutParams.TYPE_WALLPAPER; import com.android.internal.app.IBatteryStats; import com.android.internal.policy.PolicyManager; import com.android.internal.policy.impl.PhoneWindowManager; import com.android.internal.view.BaseInputHandler; import com.android.internal.view.IInputContext; import com.android.internal.view.IInputMethodClient; import com.android.internal.view.IInputMethodManager; import com.android.internal.view.WindowManagerPolicyThread; import com.android.server.AttributeCache; import com.android.server.EventLogTags; import com.android.server.PowerManagerService; import com.android.server.Watchdog; import com.android.server.am.BatteryStatsService; import android.Manifest; import android.app.ActivityManagerNative; import android.app.IActivityManager; import android.app.StatusBarManager; import android.app.admin.DevicePolicyManager; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.pm.ActivityInfo; import android.content.pm.PackageManager; import android.content.res.CompatibilityInfo; import android.content.res.Configuration; import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.Matrix; import android.graphics.PixelFormat; import android.graphics.Point; import android.graphics.Rect; import android.graphics.Region; import android.os.BatteryStats; import android.os.Binder; import android.os.Bundle; import android.os.Debug; import android.os.Handler; import android.os.IBinder; import android.os.IRemoteCallback; import android.os.LocalPowerManager; import android.os.Looper; import android.os.Message; import android.os.Parcel; import android.os.ParcelFileDescriptor; import android.os.Power; import android.os.PowerManager; import android.os.Process; import android.os.RemoteException; import android.os.ServiceManager; import android.os.StrictMode; import android.os.SystemClock; import android.os.SystemProperties; import android.os.TokenWatcher; import android.provider.Settings; import android.util.DisplayMetrics; import android.util.EventLog; import android.util.Log; import android.util.Pair; import android.util.Slog; import android.util.SparseIntArray; import android.util.TypedValue; import android.view.Display; import android.view.Gravity; import android.view.IApplicationToken; import android.view.IOnKeyguardExitResult; import android.view.IRotationWatcher; import android.view.IWindow; import android.view.IWindowManager; import android.view.IWindowSession; import android.view.InputChannel; import android.view.InputDevice; import android.view.InputEvent; import android.view.InputHandler; import android.view.InputQueue; import android.view.KeyEvent; import android.view.MotionEvent; import android.view.Surface; import android.view.SurfaceSession; import android.view.View; import android.view.WindowManager; import android.view.WindowManagerImpl; import android.view.WindowManagerPolicy; import android.view.WindowManager.LayoutParams; import android.view.WindowManagerPolicy.FakeWindow; import android.view.animation.Animation; import android.view.animation.AnimationUtils; import android.view.animation.Transformation; import java.io.BufferedWriter; import java.io.DataInputStream; import java.io.File; import java.io.FileDescriptor; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.io.OutputStream; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.io.StringWriter; import java.net.Socket; import java.util.ArrayList; import java.util.HashMap; import java.util.HashSet; import java.util.Iterator; import java.util.List; /** {@hide} */ public class WindowManagerService extends IWindowManager.Stub implements Watchdog.Monitor, WindowManagerPolicy.WindowManagerFuncs { static final String TAG = "WindowManager"; static final boolean DEBUG = false; static final boolean DEBUG_ADD_REMOVE = false; static final boolean DEBUG_FOCUS = false; static final boolean DEBUG_ANIM = false; static final boolean DEBUG_LAYOUT = false; static final boolean DEBUG_RESIZE = false; static final boolean DEBUG_LAYERS = false; static final boolean DEBUG_INPUT = false; static final boolean DEBUG_INPUT_METHOD = false; static final boolean DEBUG_VISIBILITY = false; static final boolean DEBUG_WINDOW_MOVEMENT = false; static final boolean DEBUG_TOKEN_MOVEMENT = false; static final boolean DEBUG_ORIENTATION = false; static final boolean DEBUG_APP_ORIENTATION = false; static final boolean DEBUG_CONFIGURATION = false; static final boolean DEBUG_APP_TRANSITIONS = false; static final boolean DEBUG_STARTING_WINDOW = false; static final boolean DEBUG_REORDER = false; static final boolean DEBUG_WALLPAPER = false; static final boolean DEBUG_DRAG = false; static final boolean DEBUG_SCREEN_ON = false; static final boolean DEBUG_SCREENSHOT = false; static final boolean DEBUG_BOOT = false; static final boolean SHOW_SURFACE_ALLOC = false; static final boolean SHOW_TRANSACTIONS = false; static final boolean SHOW_LIGHT_TRANSACTIONS = false || SHOW_TRANSACTIONS; static final boolean HIDE_STACK_CRAWLS = true; static final boolean PROFILE_ORIENTATION = false; static final boolean BLUR = true; static final boolean localLOGV = DEBUG; /** How much to multiply the policy's type layer, to reserve room * for multiple windows of the same type and Z-ordering adjustment * with TYPE_LAYER_OFFSET. */ static final int TYPE_LAYER_MULTIPLIER = 10000; /** Offset from TYPE_LAYER_MULTIPLIER for moving a group of windows above * or below others in the same layer. */ static final int TYPE_LAYER_OFFSET = 1000; /** How much to increment the layer for each window, to reserve room * for effect surfaces between them. */ static final int WINDOW_LAYER_MULTIPLIER = 5; /** * Dim surface layer is immediately below target window. */ static final int LAYER_OFFSET_DIM = 1; /** * Blur surface layer is immediately below dim layer. */ static final int LAYER_OFFSET_BLUR = 2; /** * Layer at which to put the rotation freeze snapshot. */ static final int FREEZE_LAYER = (TYPE_LAYER_MULTIPLIER * 200) + 1; /** * Layer at which to put the mask for emulated screen sizes. */ static final int MASK_LAYER = TYPE_LAYER_MULTIPLIER * 200; /** The maximum length we will accept for a loaded animation duration: * this is 10 seconds. */ static final int MAX_ANIMATION_DURATION = 10*1000; /** Amount of time (in milliseconds) to animate the dim surface from one * value to another, when no window animation is driving it. */ static final int DEFAULT_DIM_DURATION = 200; /** Amount of time (in milliseconds) to animate the fade-in-out transition for * compatible windows. */ static final int DEFAULT_FADE_IN_OUT_DURATION = 400; /** * If true, the window manager will do its own custom freezing and general * management of the screen during rotation. */ static final boolean CUSTOM_SCREEN_ROTATION = true; // Maximum number of milliseconds to wait for input event injection. // FIXME is this value reasonable? private static final int INJECTION_TIMEOUT_MILLIS = 30 * 1000; // Maximum number of milliseconds to wait for input devices to be enumerated before // proceding with safe mode detection. private static final int INPUT_DEVICES_READY_FOR_SAFE_MODE_DETECTION_TIMEOUT_MILLIS = 1000; // Default input dispatching timeout in nanoseconds. static final long DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS = 5000 * 1000000L; static final int UPDATE_FOCUS_NORMAL = 0; static final int UPDATE_FOCUS_WILL_ASSIGN_LAYERS = 1; static final int UPDATE_FOCUS_PLACING_SURFACES = 2; static final int UPDATE_FOCUS_WILL_PLACE_SURFACES = 3; private static final String SYSTEM_SECURE = "ro.secure"; private static final String SYSTEM_DEBUGGABLE = "ro.debuggable"; /** * Condition waited on by {@link #reenableKeyguard} to know the call to * the window policy has finished. * This is set to true only if mKeyguardTokenWatcher.acquired() has * actually disabled the keyguard. */ private boolean mKeyguardDisabled = false; private static final int ALLOW_DISABLE_YES = 1; private static final int ALLOW_DISABLE_NO = 0; private static final int ALLOW_DISABLE_UNKNOWN = -1; // check with DevicePolicyManager private int mAllowDisableKeyguard = ALLOW_DISABLE_UNKNOWN; // sync'd by mKeyguardTokenWatcher final TokenWatcher mKeyguardTokenWatcher = new TokenWatcher( new Handler(), "WindowManagerService.mKeyguardTokenWatcher") { public void acquired() { if (shouldAllowDisableKeyguard()) { mPolicy.enableKeyguard(false); mKeyguardDisabled = true; } else { Log.v(TAG, "Not disabling keyguard since device policy is enforced"); } } public void released() { mPolicy.enableKeyguard(true); synchronized (mKeyguardTokenWatcher) { mKeyguardDisabled = false; mKeyguardTokenWatcher.notifyAll(); } } }; final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { mPolicy.enableKeyguard(true); synchronized(mKeyguardTokenWatcher) { // lazily evaluate this next time we're asked to disable keyguard mAllowDisableKeyguard = ALLOW_DISABLE_UNKNOWN; mKeyguardDisabled = false; } } }; final Context mContext; final boolean mHaveInputMethods; final boolean mAllowBootMessages; final boolean mLimitedAlphaCompositing; final WindowManagerPolicy mPolicy = PolicyManager.makeNewWindowManager(); final IActivityManager mActivityManager; final IBatteryStats mBatteryStats; /** * All currently active sessions with clients. */ final HashSet<Session> mSessions = new HashSet<Session>(); /** * Mapping from an IWindow IBinder to the server's Window object. * This is also used as the lock for all of our state. */ final HashMap<IBinder, WindowState> mWindowMap = new HashMap<IBinder, WindowState>(); /** * Mapping from a token IBinder to a WindowToken object. */ final HashMap<IBinder, WindowToken> mTokenMap = new HashMap<IBinder, WindowToken>(); /** * Window tokens that are in the process of exiting, but still * on screen for animations. */ final ArrayList<WindowToken> mExitingTokens = new ArrayList<WindowToken>(); /** * Z-ordered (bottom-most first) list of all application tokens, for * controlling the ordering of windows in different applications. This * contains AppWindowToken objects. */ final ArrayList<AppWindowToken> mAppTokens = new ArrayList<AppWindowToken>(); /** * Application tokens that are in the process of exiting, but still * on screen for animations. */ final ArrayList<AppWindowToken> mExitingAppTokens = new ArrayList<AppWindowToken>(); /** * List of window tokens that have finished starting their application, * and now need to have the policy remove their windows. */ final ArrayList<AppWindowToken> mFinishedStarting = new ArrayList<AppWindowToken>(); /** * Z-ordered (bottom-most first) list of all Window objects. */ final ArrayList<WindowState> mWindows = new ArrayList<WindowState>(); /** * Fake windows added to the window manager. Note: ordered from top to * bottom, opposite of mWindows. */ final ArrayList<FakeWindowImpl> mFakeWindows = new ArrayList<FakeWindowImpl>(); /** * Windows that are being resized. Used so we can tell the client about * the resize after closing the transaction in which we resized the * underlying surface. */ final ArrayList<WindowState> mResizingWindows = new ArrayList<WindowState>(); /** * Windows whose animations have ended and now must be removed. */ final ArrayList<WindowState> mPendingRemove = new ArrayList<WindowState>(); /** * Used when processing mPendingRemove to avoid working on the original array. */ WindowState[] mPendingRemoveTmp = new WindowState[20]; /** * Windows whose surface should be destroyed. */ final ArrayList<WindowState> mDestroySurface = new ArrayList<WindowState>(); /** * Windows that have lost input focus and are waiting for the new * focus window to be displayed before they are told about this. */ ArrayList<WindowState> mLosingFocus = new ArrayList<WindowState>(); /** * This is set when we have run out of memory, and will either be an empty * list or contain windows that need to be force removed. */ ArrayList<WindowState> mForceRemoves; /** * Windows that clients are waiting to have drawn. */ ArrayList<Pair<WindowState, IRemoteCallback>> mWaitingForDrawn = new ArrayList<Pair<WindowState, IRemoteCallback>>(); /** * Used when rebuilding window list to keep track of windows that have * been removed. */ WindowState[] mRebuildTmp = new WindowState[20]; IInputMethodManager mInputMethodManager; SurfaceSession mFxSession; private DimAnimator mDimAnimator = null; Surface mBlurSurface; boolean mBlurShown; Watermark mWatermark; StrictModeFlash mStrictModeFlash; ScreenRotationAnimation mScreenRotationAnimation; BlackFrame mBlackFrame; int mTransactionSequence = 0; final float[] mTmpFloats = new float[9]; boolean mSafeMode; boolean mDisplayEnabled = false; boolean mSystemBooted = false; boolean mForceDisplayEnabled = false; boolean mShowingBootMessages = false; // This protects the following display size properties, so that // getDisplaySize() doesn't need to acquire the global lock. This is // needed because the window manager sometimes needs to use ActivityThread // while it has its global state locked (for example to load animation // resources), but the ActivityThread also needs get the current display // size sometimes when it has its package lock held. // // These will only be modified with both mWindowMap and mDisplaySizeLock // held (in that order) so the window manager doesn't need to acquire this // lock when needing these values in its normal operation. final Object mDisplaySizeLock = new Object(); int mInitialDisplayWidth = 0; int mInitialDisplayHeight = 0; int mBaseDisplayWidth = 0; int mBaseDisplayHeight = 0; int mCurDisplayWidth = 0; int mCurDisplayHeight = 0; int mAppDisplayWidth = 0; int mAppDisplayHeight = 0; int mRotation = 0; int mForcedAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED; boolean mAltOrientation = false; ArrayList<IRotationWatcher> mRotationWatchers = new ArrayList<IRotationWatcher>(); int mDeferredRotationPauseCount; boolean mLayoutNeeded = true; boolean mAnimationPending = false; boolean mDisplayFrozen = false; boolean mWaitingForConfig = false; boolean mWindowsFreezingScreen = false; int mAppsFreezingScreen = 0; int mLastWindowForcedOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED; int mLayoutSeq = 0; int mLastStatusBarVisibility = 0; // State while inside of layoutAndPlaceSurfacesLocked(). boolean mFocusMayChange; Configuration mCurConfiguration = new Configuration(); // This is held as long as we have the screen frozen, to give us time to // perform a rotation animation when turning off shows the lock screen which // changes the orientation. PowerManager.WakeLock mScreenFrozenLock; // State management of app transitions. When we are preparing for a // transition, mNextAppTransition will be the kind of transition to // perform or TRANSIT_NONE if we are not waiting. If we are waiting, // mOpeningApps and mClosingApps are the lists of tokens that will be // made visible or hidden at the next transition. int mNextAppTransition = WindowManagerPolicy.TRANSIT_UNSET; String mNextAppTransitionPackage; int mNextAppTransitionEnter; int mNextAppTransitionExit; boolean mAppTransitionReady = false; boolean mAppTransitionRunning = false; boolean mAppTransitionTimeout = false; boolean mStartingIconInTransition = false; boolean mSkipAppTransitionAnimation = false; final ArrayList<AppWindowToken> mOpeningApps = new ArrayList<AppWindowToken>(); final ArrayList<AppWindowToken> mClosingApps = new ArrayList<AppWindowToken>(); final ArrayList<AppWindowToken> mToTopApps = new ArrayList<AppWindowToken>(); final ArrayList<AppWindowToken> mToBottomApps = new ArrayList<AppWindowToken>(); Display mDisplay; final DisplayMetrics mDisplayMetrics = new DisplayMetrics(); final DisplayMetrics mRealDisplayMetrics = new DisplayMetrics(); final DisplayMetrics mTmpDisplayMetrics = new DisplayMetrics(); final DisplayMetrics mCompatDisplayMetrics = new DisplayMetrics(); H mH = new H(); WindowState mCurrentFocus = null; WindowState mLastFocus = null; // This just indicates the window the input method is on top of, not // necessarily the window its input is going to. WindowState mInputMethodTarget = null; boolean mInputMethodTargetWaitingAnim; int mInputMethodAnimLayerAdjustment; WindowState mInputMethodWindow = null; final ArrayList<WindowState> mInputMethodDialogs = new ArrayList<WindowState>(); boolean mHardKeyboardAvailable; boolean mHardKeyboardEnabled; OnHardKeyboardStatusChangeListener mHardKeyboardStatusChangeListener; final ArrayList<WindowToken> mWallpaperTokens = new ArrayList<WindowToken>(); // If non-null, this is the currently visible window that is associated // with the wallpaper. WindowState mWallpaperTarget = null; // If non-null, we are in the middle of animating from one wallpaper target // to another, and this is the lower one in Z-order. WindowState mLowerWallpaperTarget = null; // If non-null, we are in the middle of animating from one wallpaper target // to another, and this is the higher one in Z-order. WindowState mUpperWallpaperTarget = null; // Window currently running an animation that has requested it be detached // from the wallpaper. This means we need to ensure the wallpaper is // visible behind it in case it animates in a way that would allow it to be // seen. WindowState mWindowDetachedWallpaper = null; DimSurface mWindowAnimationBackgroundSurface = null; int mWallpaperAnimLayerAdjustment; float mLastWallpaperX = -1; float mLastWallpaperY = -1; float mLastWallpaperXStep = -1; float mLastWallpaperYStep = -1; // This is set when we are waiting for a wallpaper to tell us it is done // changing its scroll position. WindowState mWaitingOnWallpaper; // The last time we had a timeout when waiting for a wallpaper. long mLastWallpaperTimeoutTime; // We give a wallpaper up to 150ms to finish scrolling. static final long WALLPAPER_TIMEOUT = 150; // Time we wait after a timeout before trying to wait again. static final long WALLPAPER_TIMEOUT_RECOVERY = 10000; AppWindowToken mFocusedApp = null; PowerManagerService mPowerManager; float mWindowAnimationScale = 1.0f; float mTransitionAnimationScale = 1.0f; final InputManager mInputManager; // Who is holding the screen on. Session mHoldingScreenOn; PowerManager.WakeLock mHoldingScreenWakeLock; boolean mTurnOnScreen; DragState mDragState = null; final InputHandler mDragInputHandler = new BaseInputHandler() { @Override public void handleMotion(MotionEvent event, InputQueue.FinishedCallback finishedCallback) { boolean handled = false; try { if ((event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0 && mDragState != null) { boolean endDrag = false; final float newX = event.getRawX(); final float newY = event.getRawY(); switch (event.getAction()) { case MotionEvent.ACTION_DOWN: { if (DEBUG_DRAG) { Slog.w(TAG, "Unexpected ACTION_DOWN in drag layer"); } } break; case MotionEvent.ACTION_MOVE: { synchronized (mWindowMap) { // move the surface and tell the involved window(s) where we are mDragState.notifyMoveLw(newX, newY); } } break; case MotionEvent.ACTION_UP: { if (DEBUG_DRAG) Slog.d(TAG, "Got UP on move channel; dropping at " + newX + "," + newY); synchronized (mWindowMap) { endDrag = mDragState.notifyDropLw(newX, newY); } } break; case MotionEvent.ACTION_CANCEL: { if (DEBUG_DRAG) Slog.d(TAG, "Drag cancelled!"); endDrag = true; } break; } if (endDrag) { if (DEBUG_DRAG) Slog.d(TAG, "Drag ended; tearing down state"); // tell all the windows that the drag has ended synchronized (mWindowMap) { mDragState.endDragLw(); } } handled = true; } } catch (Exception e) { Slog.e(TAG, "Exception caught by drag handleMotion", e); } finally { finishedCallback.finished(handled); } } }; /** * Whether the UI is currently running in touch mode (not showing * navigational focus because the user is directly pressing the screen). */ boolean mInTouchMode = true; private ViewServer mViewServer; private ArrayList<WindowChangeListener> mWindowChangeListeners = new ArrayList<WindowChangeListener>(); private boolean mWindowsChanged = false; public interface WindowChangeListener { public void windowsChanged(); public void focusChanged(); } final Configuration mTempConfiguration = new Configuration(); // The desired scaling factor for compatible apps. float mCompatibleScreenScale; public static WindowManagerService main(Context context, PowerManagerService pm, boolean haveInputMethods, boolean allowBootMsgs) { WMThread thr = new WMThread(context, pm, haveInputMethods, allowBootMsgs); thr.start(); synchronized (thr) { while (thr.mService == null) { try { thr.wait(); } catch (InterruptedException e) { } } return thr.mService; } } static class WMThread extends Thread { WindowManagerService mService; private final Context mContext; private final PowerManagerService mPM; private final boolean mHaveInputMethods; private final boolean mAllowBootMessages; public WMThread(Context context, PowerManagerService pm, boolean haveInputMethods, boolean allowBootMsgs) { super("WindowManager"); mContext = context; mPM = pm; mHaveInputMethods = haveInputMethods; mAllowBootMessages = allowBootMsgs; } public void run() { Looper.prepare(); WindowManagerService s = new WindowManagerService(mContext, mPM, mHaveInputMethods, mAllowBootMessages); android.os.Process.setThreadPriority( android.os.Process.THREAD_PRIORITY_DISPLAY); android.os.Process.setCanSelfBackground(false); synchronized (this) { mService = s; notifyAll(); } // For debug builds, log event loop stalls to dropbox for analysis. if (StrictMode.conditionallyEnableDebugLogging()) { Slog.i(TAG, "Enabled StrictMode logging for WMThread's Looper"); } Looper.loop(); } } static class PolicyThread extends Thread { private final WindowManagerPolicy mPolicy; private final WindowManagerService mService; private final Context mContext; private final PowerManagerService mPM; boolean mRunning = false; public PolicyThread(WindowManagerPolicy policy, WindowManagerService service, Context context, PowerManagerService pm) { super("WindowManagerPolicy"); mPolicy = policy; mService = service; mContext = context; mPM = pm; } public void run() { Looper.prepare(); WindowManagerPolicyThread.set(this, Looper.myLooper()); //Looper.myLooper().setMessageLogging(new LogPrinter( // Log.VERBOSE, "WindowManagerPolicy", Log.LOG_ID_SYSTEM)); android.os.Process.setThreadPriority( android.os.Process.THREAD_PRIORITY_FOREGROUND); android.os.Process.setCanSelfBackground(false); mPolicy.init(mContext, mService, mService, mPM); synchronized (this) { mRunning = true; notifyAll(); } // For debug builds, log event loop stalls to dropbox for analysis. if (StrictMode.conditionallyEnableDebugLogging()) { Slog.i(TAG, "Enabled StrictMode for PolicyThread's Looper"); } Looper.loop(); } } private WindowManagerService(Context context, PowerManagerService pm, boolean haveInputMethods, boolean showBootMsgs) { mContext = context; mHaveInputMethods = haveInputMethods; mAllowBootMessages = showBootMsgs; mLimitedAlphaCompositing = context.getResources().getBoolean( com.android.internal.R.bool.config_sf_limitedAlpha); mPowerManager = pm; mPowerManager.setPolicy(mPolicy); PowerManager pmc = (PowerManager)context.getSystemService(Context.POWER_SERVICE); mScreenFrozenLock = pmc.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "SCREEN_FROZEN"); mScreenFrozenLock.setReferenceCounted(false); mActivityManager = ActivityManagerNative.getDefault(); mBatteryStats = BatteryStatsService.getService(); // Get persisted window scale setting mWindowAnimationScale = Settings.System.getFloat(context.getContentResolver(), Settings.System.WINDOW_ANIMATION_SCALE, mWindowAnimationScale); mTransitionAnimationScale = Settings.System.getFloat(context.getContentResolver(), Settings.System.TRANSITION_ANIMATION_SCALE, mTransitionAnimationScale); // Track changes to DevicePolicyManager state so we can enable/disable keyguard. IntentFilter filter = new IntentFilter(); filter.addAction(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); mContext.registerReceiver(mBroadcastReceiver, filter); mHoldingScreenWakeLock = pmc.newWakeLock(PowerManager.SCREEN_BRIGHT_WAKE_LOCK, "KEEP_SCREEN_ON_FLAG"); mHoldingScreenWakeLock.setReferenceCounted(false); mInputManager = new InputManager(context, this); PolicyThread thr = new PolicyThread(mPolicy, this, context, pm); thr.start(); synchronized (thr) { while (!thr.mRunning) { try { thr.wait(); } catch (InterruptedException e) { } } } mInputManager.start(); // Add ourself to the Watchdog monitors. Watchdog.getInstance().addMonitor(this); } @Override public boolean onTransact(int code, Parcel data, Parcel reply, int flags) throws RemoteException { try { return super.onTransact(code, data, reply, flags); } catch (RuntimeException e) { // The window manager only throws security exceptions, so let's // log all others. if (!(e instanceof SecurityException)) { Log.wtf(TAG, "Window Manager Crash", e); } throw e; } } private void placeWindowAfter(WindowState pos, WindowState window) { final int i = mWindows.indexOf(pos); if (DEBUG_FOCUS || DEBUG_WINDOW_MOVEMENT || DEBUG_ADD_REMOVE) Slog.v( TAG, "Adding window " + window + " at " + (i+1) + " of " + mWindows.size() + " (after " + pos + ")"); mWindows.add(i+1, window); mWindowsChanged = true; } private void placeWindowBefore(WindowState pos, WindowState window) { final int i = mWindows.indexOf(pos); if (DEBUG_FOCUS || DEBUG_WINDOW_MOVEMENT || DEBUG_ADD_REMOVE) Slog.v( TAG, "Adding window " + window + " at " + i + " of " + mWindows.size() + " (before " + pos + ")"); mWindows.add(i, window); mWindowsChanged = true; } //This method finds out the index of a window that has the same app token as //win. used for z ordering the windows in mWindows private int findIdxBasedOnAppTokens(WindowState win) { //use a local variable to cache mWindows ArrayList<WindowState> localmWindows = mWindows; int jmax = localmWindows.size(); if(jmax == 0) { return -1; } for(int j = (jmax-1); j >= 0; j--) { WindowState wentry = localmWindows.get(j); if(wentry.mAppToken == win.mAppToken) { return j; } } return -1; } private void addWindowToListInOrderLocked(WindowState win, boolean addToToken) { final IWindow client = win.mClient; final WindowToken token = win.mToken; final ArrayList<WindowState> localmWindows = mWindows; final int N = localmWindows.size(); final WindowState attached = win.mAttachedWindow; int i; if (attached == null) { int tokenWindowsPos = token.windows.size(); if (token.appWindowToken != null) { int index = tokenWindowsPos-1; if (index >= 0) { // If this application has existing windows, we // simply place the new window on top of them... but // keep the starting window on top. if (win.mAttrs.type == TYPE_BASE_APPLICATION) { // Base windows go behind everything else. placeWindowBefore(token.windows.get(0), win); tokenWindowsPos = 0; } else { AppWindowToken atoken = win.mAppToken; if (atoken != null && token.windows.get(index) == atoken.startingWindow) { placeWindowBefore(token.windows.get(index), win); tokenWindowsPos--; } else { int newIdx = findIdxBasedOnAppTokens(win); if(newIdx != -1) { //there is a window above this one associated with the same //apptoken note that the window could be a floating window //that was created later or a window at the top of the list of //windows associated with this token. if (DEBUG_FOCUS || DEBUG_WINDOW_MOVEMENT || DEBUG_ADD_REMOVE) { Slog.v(TAG, "Adding window " + win + " at " + (newIdx+1) + " of " + N); } localmWindows.add(newIdx+1, win); mWindowsChanged = true; } } } } else { if (localLOGV) Slog.v( TAG, "Figuring out where to add app window " + client.asBinder() + " (token=" + token + ")"); // Figure out where the window should go, based on the // order of applications. final int NA = mAppTokens.size(); WindowState pos = null; for (i=NA-1; i>=0; i--) { AppWindowToken t = mAppTokens.get(i); if (t == token) { i--; break; } // We haven't reached the token yet; if this token // is not going to the bottom and has windows, we can // use it as an anchor for when we do reach the token. if (!t.sendingToBottom && t.windows.size() > 0) { pos = t.windows.get(0); } } // We now know the index into the apps. If we found // an app window above, that gives us the position; else // we need to look some more. if (pos != null) { // Move behind any windows attached to this one. WindowToken atoken = mTokenMap.get(pos.mClient.asBinder()); if (atoken != null) { final int NC = atoken.windows.size(); if (NC > 0) { WindowState bottom = atoken.windows.get(0); if (bottom.mSubLayer < 0) { pos = bottom; } } } placeWindowBefore(pos, win); } else { // Continue looking down until we find the first // token that has windows. while (i >= 0) { AppWindowToken t = mAppTokens.get(i); final int NW = t.windows.size(); if (NW > 0) { pos = t.windows.get(NW-1); break; } i--; } if (pos != null) { // Move in front of any windows attached to this // one. WindowToken atoken = mTokenMap.get(pos.mClient.asBinder()); if (atoken != null) { final int NC = atoken.windows.size(); if (NC > 0) { WindowState top = atoken.windows.get(NC-1); if (top.mSubLayer >= 0) { pos = top; } } } placeWindowAfter(pos, win); } else { // Just search for the start of this layer. final int myLayer = win.mBaseLayer; for (i=0; i<N; i++) { WindowState w = localmWindows.get(i); if (w.mBaseLayer > myLayer) { break; } } if (DEBUG_FOCUS || DEBUG_WINDOW_MOVEMENT || DEBUG_ADD_REMOVE) { Slog.v(TAG, "Adding window " + win + " at " + i + " of " + N); } localmWindows.add(i, win); mWindowsChanged = true; } } } } else { // Figure out where window should go, based on layer. final int myLayer = win.mBaseLayer; for (i=N-1; i>=0; i--) { if (localmWindows.get(i).mBaseLayer <= myLayer) { i++; break; } } if (i < 0) i = 0; if (DEBUG_FOCUS || DEBUG_WINDOW_MOVEMENT || DEBUG_ADD_REMOVE) Slog.v( TAG, "Adding window " + win + " at " + i + " of " + N); localmWindows.add(i, win); mWindowsChanged = true; } if (addToToken) { if (DEBUG_ADD_REMOVE) Slog.v(TAG, "Adding " + win + " to " + token); token.windows.add(tokenWindowsPos, win); } } else { // Figure out this window's ordering relative to the window // it is attached to. final int NA = token.windows.size(); final int sublayer = win.mSubLayer; int largestSublayer = Integer.MIN_VALUE; WindowState windowWithLargestSublayer = null; for (i=0; i<NA; i++) { WindowState w = token.windows.get(i); final int wSublayer = w.mSubLayer; if (wSublayer >= largestSublayer) { largestSublayer = wSublayer; windowWithLargestSublayer = w; } if (sublayer < 0) { // For negative sublayers, we go below all windows // in the same sublayer. if (wSublayer >= sublayer) { if (addToToken) { if (DEBUG_ADD_REMOVE) Slog.v(TAG, "Adding " + win + " to " + token); token.windows.add(i, win); } placeWindowBefore( wSublayer >= 0 ? attached : w, win); break; } } else { // For positive sublayers, we go above all windows // in the same sublayer. if (wSublayer > sublayer) { if (addToToken) { if (DEBUG_ADD_REMOVE) Slog.v(TAG, "Adding " + win + " to " + token); token.windows.add(i, win); } placeWindowBefore(w, win); break; } } } if (i >= NA) { if (addToToken) { if (DEBUG_ADD_REMOVE) Slog.v(TAG, "Adding " + win + " to " + token); token.windows.add(win); } if (sublayer < 0) { placeWindowBefore(attached, win); } else { placeWindowAfter(largestSublayer >= 0 ? windowWithLargestSublayer : attached, win); } } } if (win.mAppToken != null && addToToken) { win.mAppToken.allAppWindows.add(win); } } static boolean canBeImeTarget(WindowState w) { final int fl = w.mAttrs.flags & (FLAG_NOT_FOCUSABLE|FLAG_ALT_FOCUSABLE_IM); if (fl == 0 || fl == (FLAG_NOT_FOCUSABLE|FLAG_ALT_FOCUSABLE_IM) || w.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING) { if (DEBUG_INPUT_METHOD) { Slog.i(TAG, "isVisibleOrAdding " + w + ": " + w.isVisibleOrAdding()); if (!w.isVisibleOrAdding()) { Slog.i(TAG, " mSurface=" + w.mSurface + " reportDestroy=" + w.mReportDestroySurface + " relayoutCalled=" + w.mRelayoutCalled + " viewVis=" + w.mViewVisibility + " policyVis=" + w.mPolicyVisibility + " attachHid=" + w.mAttachedHidden + " exiting=" + w.mExiting + " destroying=" + w.mDestroying); if (w.mAppToken != null) { Slog.i(TAG, " mAppToken.hiddenRequested=" + w.mAppToken.hiddenRequested); } } } return w.isVisibleOrAdding(); } return false; } int findDesiredInputMethodWindowIndexLocked(boolean willMove) { final ArrayList<WindowState> localmWindows = mWindows; final int N = localmWindows.size(); WindowState w = null; int i = N; while (i > 0) { i--; w = localmWindows.get(i); if (DEBUG_INPUT_METHOD && willMove) Slog.i(TAG, "Checking window @" + i + " " + w + " fl=0x" + Integer.toHexString(w.mAttrs.flags)); if (canBeImeTarget(w)) { //Slog.i(TAG, "Putting input method here!"); // Yet more tricksyness! If this window is a "starting" // window, we do actually want to be on top of it, but // it is not -really- where input will go. So if the caller // is not actually looking to move the IME, look down below // for a real window to target... if (!willMove && w.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING && i > 0) { WindowState wb = localmWindows.get(i-1); if (wb.mAppToken == w.mAppToken && canBeImeTarget(wb)) { i--; w = wb; } } break; } } if (DEBUG_INPUT_METHOD && willMove) Slog.v(TAG, "Proposed new IME target: " + w); // Now, a special case -- if the last target's window is in the // process of exiting, and is above the new target, keep on the // last target to avoid flicker. Consider for example a Dialog with // the IME shown: when the Dialog is dismissed, we want to keep // the IME above it until it is completely gone so it doesn't drop // behind the dialog or its full-screen scrim. if (mInputMethodTarget != null && w != null && mInputMethodTarget.isDisplayedLw() && mInputMethodTarget.mExiting) { if (mInputMethodTarget.mAnimLayer > w.mAnimLayer) { w = mInputMethodTarget; i = localmWindows.indexOf(w); if (DEBUG_INPUT_METHOD) Slog.v(TAG, "Current target higher, switching to: " + w); } } if (DEBUG_INPUT_METHOD) Slog.v(TAG, "Desired input method target=" + w + " willMove=" + willMove); if (willMove && w != null) { final WindowState curTarget = mInputMethodTarget; if (curTarget != null && curTarget.mAppToken != null) { // Now some fun for dealing with window animations that // modify the Z order. We need to look at all windows below // the current target that are in this app, finding the highest // visible one in layering. AppWindowToken token = curTarget.mAppToken; WindowState highestTarget = null; int highestPos = 0; if (token.animating || token.animation != null) { int pos = 0; pos = localmWindows.indexOf(curTarget); while (pos >= 0) { WindowState win = localmWindows.get(pos); if (win.mAppToken != token) { break; } if (!win.mRemoved) { if (highestTarget == null || win.mAnimLayer > highestTarget.mAnimLayer) { highestTarget = win; highestPos = pos; } } pos--; } } if (highestTarget != null) { if (DEBUG_INPUT_METHOD) Slog.v(TAG, "mNextAppTransition=" + mNextAppTransition + " " + highestTarget + " animating=" + highestTarget.isAnimating() + " layer=" + highestTarget.mAnimLayer + " new layer=" + w.mAnimLayer); if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) { // If we are currently setting up for an animation, // hold everything until we can find out what will happen. mInputMethodTargetWaitingAnim = true; mInputMethodTarget = highestTarget; return highestPos + 1; } else if (highestTarget.isAnimating() && highestTarget.mAnimLayer > w.mAnimLayer) { // If the window we are currently targeting is involved // with an animation, and it is on top of the next target // we will be over, then hold off on moving until // that is done. mInputMethodTargetWaitingAnim = true; mInputMethodTarget = highestTarget; return highestPos + 1; } } } } //Slog.i(TAG, "Placing input method @" + (i+1)); if (w != null) { if (willMove) { if (DEBUG_INPUT_METHOD) { RuntimeException e = null; if (!HIDE_STACK_CRAWLS) { e = new RuntimeException(); e.fillInStackTrace(); } Slog.w(TAG, "Moving IM target from " + mInputMethodTarget + " to " + w, e); } mInputMethodTarget = w; mInputMethodTargetWaitingAnim = false; if (w.mAppToken != null) { setInputMethodAnimLayerAdjustment(w.mAppToken.animLayerAdjustment); } else { setInputMethodAnimLayerAdjustment(0); } } return i+1; } if (willMove) { if (DEBUG_INPUT_METHOD) { RuntimeException e = null; if (!HIDE_STACK_CRAWLS) { e = new RuntimeException(); e.fillInStackTrace(); } Slog.w(TAG, "Moving IM target from " + mInputMethodTarget + " to null", e); } mInputMethodTarget = null; setInputMethodAnimLayerAdjustment(0); } return -1; } void addInputMethodWindowToListLocked(WindowState win) { int pos = findDesiredInputMethodWindowIndexLocked(true); if (pos >= 0) { win.mTargetAppToken = mInputMethodTarget.mAppToken; if (DEBUG_WINDOW_MOVEMENT || DEBUG_ADD_REMOVE) Slog.v( TAG, "Adding input method window " + win + " at " + pos); mWindows.add(pos, win); mWindowsChanged = true; moveInputMethodDialogsLocked(pos+1); return; } win.mTargetAppToken = null; addWindowToListInOrderLocked(win, true); moveInputMethodDialogsLocked(pos); } void setInputMethodAnimLayerAdjustment(int adj) { if (DEBUG_LAYERS) Slog.v(TAG, "Setting im layer adj to " + adj); mInputMethodAnimLayerAdjustment = adj; WindowState imw = mInputMethodWindow; if (imw != null) { imw.mAnimLayer = imw.mLayer + adj; if (DEBUG_LAYERS) Slog.v(TAG, "IM win " + imw + " anim layer: " + imw.mAnimLayer); int wi = imw.mChildWindows.size(); while (wi > 0) { wi--; WindowState cw = imw.mChildWindows.get(wi); cw.mAnimLayer = cw.mLayer + adj; if (DEBUG_LAYERS) Slog.v(TAG, "IM win " + cw + " anim layer: " + cw.mAnimLayer); } } int di = mInputMethodDialogs.size(); while (di > 0) { di --; imw = mInputMethodDialogs.get(di); imw.mAnimLayer = imw.mLayer + adj; if (DEBUG_LAYERS) Slog.v(TAG, "IM win " + imw + " anim layer: " + imw.mAnimLayer); } } private int tmpRemoveWindowLocked(int interestingPos, WindowState win) { int wpos = mWindows.indexOf(win); if (wpos >= 0) { if (wpos < interestingPos) interestingPos--; if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Temp removing at " + wpos + ": " + win); mWindows.remove(wpos); mWindowsChanged = true; int NC = win.mChildWindows.size(); while (NC > 0) { NC--; WindowState cw = win.mChildWindows.get(NC); int cpos = mWindows.indexOf(cw); if (cpos >= 0) { if (cpos < interestingPos) interestingPos--; if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Temp removing child at " + cpos + ": " + cw); mWindows.remove(cpos); } } } return interestingPos; } private void reAddWindowToListInOrderLocked(WindowState win) { addWindowToListInOrderLocked(win, false); // This is a hack to get all of the child windows added as well // at the right position. Child windows should be rare and // this case should be rare, so it shouldn't be that big a deal. int wpos = mWindows.indexOf(win); if (wpos >= 0) { if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "ReAdd removing from " + wpos + ": " + win); mWindows.remove(wpos); mWindowsChanged = true; reAddWindowLocked(wpos, win); } } void logWindowList(String prefix) { int N = mWindows.size(); while (N > 0) { N--; Slog.v(TAG, prefix + "#" + N + ": " + mWindows.get(N)); } } void moveInputMethodDialogsLocked(int pos) { ArrayList<WindowState> dialogs = mInputMethodDialogs; final int N = dialogs.size(); if (DEBUG_INPUT_METHOD) Slog.v(TAG, "Removing " + N + " dialogs w/pos=" + pos); for (int i=0; i<N; i++) { pos = tmpRemoveWindowLocked(pos, dialogs.get(i)); } if (DEBUG_INPUT_METHOD) { Slog.v(TAG, "Window list w/pos=" + pos); logWindowList(" "); } if (pos >= 0) { final AppWindowToken targetAppToken = mInputMethodTarget.mAppToken; if (pos < mWindows.size()) { WindowState wp = mWindows.get(pos); if (wp == mInputMethodWindow) { pos++; } } if (DEBUG_INPUT_METHOD) Slog.v(TAG, "Adding " + N + " dialogs at pos=" + pos); for (int i=0; i<N; i++) { WindowState win = dialogs.get(i); win.mTargetAppToken = targetAppToken; pos = reAddWindowLocked(pos, win); } if (DEBUG_INPUT_METHOD) { Slog.v(TAG, "Final window list:"); logWindowList(" "); } return; } for (int i=0; i<N; i++) { WindowState win = dialogs.get(i); win.mTargetAppToken = null; reAddWindowToListInOrderLocked(win); if (DEBUG_INPUT_METHOD) { Slog.v(TAG, "No IM target, final list:"); logWindowList(" "); } } } boolean moveInputMethodWindowsIfNeededLocked(boolean needAssignLayers) { final WindowState imWin = mInputMethodWindow; final int DN = mInputMethodDialogs.size(); if (imWin == null && DN == 0) { return false; } int imPos = findDesiredInputMethodWindowIndexLocked(true); if (imPos >= 0) { // In this case, the input method windows are to be placed // immediately above the window they are targeting. // First check to see if the input method windows are already // located here, and contiguous. final int N = mWindows.size(); WindowState firstImWin = imPos < N ? mWindows.get(imPos) : null; // Figure out the actual input method window that should be // at the bottom of their stack. WindowState baseImWin = imWin != null ? imWin : mInputMethodDialogs.get(0); if (baseImWin.mChildWindows.size() > 0) { WindowState cw = baseImWin.mChildWindows.get(0); if (cw.mSubLayer < 0) baseImWin = cw; } if (firstImWin == baseImWin) { // The windows haven't moved... but are they still contiguous? // First find the top IM window. int pos = imPos+1; while (pos < N) { if (!(mWindows.get(pos)).mIsImWindow) { break; } pos++; } pos++; // Now there should be no more input method windows above. while (pos < N) { if ((mWindows.get(pos)).mIsImWindow) { break; } pos++; } if (pos >= N) { // All is good! return false; } } if (imWin != null) { if (DEBUG_INPUT_METHOD) { Slog.v(TAG, "Moving IM from " + imPos); logWindowList(" "); } imPos = tmpRemoveWindowLocked(imPos, imWin); if (DEBUG_INPUT_METHOD) { Slog.v(TAG, "List after removing with new pos " + imPos + ":"); logWindowList(" "); } imWin.mTargetAppToken = mInputMethodTarget.mAppToken; reAddWindowLocked(imPos, imWin); if (DEBUG_INPUT_METHOD) { Slog.v(TAG, "List after moving IM to " + imPos + ":"); logWindowList(" "); } if (DN > 0) moveInputMethodDialogsLocked(imPos+1); } else { moveInputMethodDialogsLocked(imPos); } } else { // In this case, the input method windows go in a fixed layer, // because they aren't currently associated with a focus window. if (imWin != null) { if (DEBUG_INPUT_METHOD) Slog.v(TAG, "Moving IM from " + imPos); tmpRemoveWindowLocked(0, imWin); imWin.mTargetAppToken = null; reAddWindowToListInOrderLocked(imWin); if (DEBUG_INPUT_METHOD) { Slog.v(TAG, "List with no IM target:"); logWindowList(" "); } if (DN > 0) moveInputMethodDialogsLocked(-1);; } else { moveInputMethodDialogsLocked(-1);; } } if (needAssignLayers) { assignLayersLocked(); } return true; } void adjustInputMethodDialogsLocked() { moveInputMethodDialogsLocked(findDesiredInputMethodWindowIndexLocked(true)); } final boolean isWallpaperVisible(WindowState wallpaperTarget) { if (DEBUG_WALLPAPER) Slog.v(TAG, "Wallpaper vis: target obscured=" + (wallpaperTarget != null ? Boolean.toString(wallpaperTarget.mObscured) : "??") + " anim=" + ((wallpaperTarget != null && wallpaperTarget.mAppToken != null) ? wallpaperTarget.mAppToken.animation : null) + " upper=" + mUpperWallpaperTarget + " lower=" + mLowerWallpaperTarget); return (wallpaperTarget != null && (!wallpaperTarget.mObscured || (wallpaperTarget.mAppToken != null && wallpaperTarget.mAppToken.animation != null))) || mUpperWallpaperTarget != null || mLowerWallpaperTarget != null; } static final int ADJUST_WALLPAPER_LAYERS_CHANGED = 1<<1; static final int ADJUST_WALLPAPER_VISIBILITY_CHANGED = 1<<2; int adjustWallpaperWindowsLocked() { int changed = 0; final int dw = mAppDisplayWidth; final int dh = mAppDisplayHeight; // First find top-most window that has asked to be on top of the // wallpaper; all wallpapers go behind it. final ArrayList<WindowState> localmWindows = mWindows; int N = localmWindows.size(); WindowState w = null; WindowState foundW = null; int foundI = 0; WindowState topCurW = null; int topCurI = 0; int windowDetachedI = -1; int i = N; while (i > 0) { i--; w = localmWindows.get(i); if ((w.mAttrs.type == WindowManager.LayoutParams.TYPE_WALLPAPER)) { if (topCurW == null) { topCurW = w; topCurI = i; } continue; } topCurW = null; if (w != mWindowDetachedWallpaper && w.mAppToken != null) { // If this window's app token is hidden and not animating, // it is of no interest to us. if (w.mAppToken.hidden && w.mAppToken.animation == null) { if (DEBUG_WALLPAPER) Slog.v(TAG, "Skipping not hidden or animating token: " + w); continue; } } if (DEBUG_WALLPAPER) Slog.v(TAG, "Win " + w + ": readyfordisplay=" + w.isReadyForDisplay() + " drawpending=" + w.mDrawPending + " commitdrawpending=" + w.mCommitDrawPending); if ((w.mAttrs.flags&FLAG_SHOW_WALLPAPER) != 0 && w.isReadyForDisplay() && (mWallpaperTarget == w || (!w.mDrawPending && !w.mCommitDrawPending))) { if (DEBUG_WALLPAPER) Slog.v(TAG, "Found wallpaper activity: #" + i + "=" + w); foundW = w; foundI = i; if (w == mWallpaperTarget && ((w.mAppToken != null && w.mAppToken.animation != null) || w.mAnimation != null)) { // The current wallpaper target is animating, so we'll // look behind it for another possible target and figure // out what is going on below. if (DEBUG_WALLPAPER) Slog.v(TAG, "Win " + w + ": token animating, looking behind."); continue; } break; } else if (w == mWindowDetachedWallpaper) { windowDetachedI = i; } } if (foundW == null && windowDetachedI >= 0) { if (DEBUG_WALLPAPER) Slog.v(TAG, "Found animating detached wallpaper activity: #" + i + "=" + w); foundW = w; foundI = windowDetachedI; } if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) { // If we are currently waiting for an app transition, and either // the current target or the next target are involved with it, // then hold off on doing anything with the wallpaper. // Note that we are checking here for just whether the target // is part of an app token... which is potentially overly aggressive // (the app token may not be involved in the transition), but good // enough (we'll just wait until whatever transition is pending // executes). if (mWallpaperTarget != null && mWallpaperTarget.mAppToken != null) { if (DEBUG_WALLPAPER) Slog.v(TAG, "Wallpaper not changing: waiting for app anim in current target"); return 0; } if (foundW != null && foundW.mAppToken != null) { if (DEBUG_WALLPAPER) Slog.v(TAG, "Wallpaper not changing: waiting for app anim in found target"); return 0; } } if (mWallpaperTarget != foundW) { if (DEBUG_WALLPAPER) { Slog.v(TAG, "New wallpaper target: " + foundW + " oldTarget: " + mWallpaperTarget); } mLowerWallpaperTarget = null; mUpperWallpaperTarget = null; WindowState oldW = mWallpaperTarget; mWallpaperTarget = foundW; // Now what is happening... if the current and new targets are // animating, then we are in our super special mode! if (foundW != null && oldW != null) { boolean oldAnim = oldW.mAnimation != null || (oldW.mAppToken != null && oldW.mAppToken.animation != null); boolean foundAnim = foundW.mAnimation != null || (foundW.mAppToken != null && foundW.mAppToken.animation != null); if (DEBUG_WALLPAPER) { Slog.v(TAG, "New animation: " + foundAnim + " old animation: " + oldAnim); } if (foundAnim && oldAnim) { int oldI = localmWindows.indexOf(oldW); if (DEBUG_WALLPAPER) { Slog.v(TAG, "New i: " + foundI + " old i: " + oldI); } if (oldI >= 0) { if (DEBUG_WALLPAPER) { Slog.v(TAG, "Animating wallpapers: old#" + oldI + "=" + oldW + "; new#" + foundI + "=" + foundW); } // Set the new target correctly. if (foundW.mAppToken != null && foundW.mAppToken.hiddenRequested) { if (DEBUG_WALLPAPER) { Slog.v(TAG, "Old wallpaper still the target."); } mWallpaperTarget = oldW; } // Now set the upper and lower wallpaper targets // correctly, and make sure that we are positioning // the wallpaper below the lower. if (foundI > oldI) { // The new target is on top of the old one. if (DEBUG_WALLPAPER) { Slog.v(TAG, "Found target above old target."); } mUpperWallpaperTarget = foundW; mLowerWallpaperTarget = oldW; foundW = oldW; foundI = oldI; } else { // The new target is below the old one. if (DEBUG_WALLPAPER) { Slog.v(TAG, "Found target below old target."); } mUpperWallpaperTarget = oldW; mLowerWallpaperTarget = foundW; } } } } } else if (mLowerWallpaperTarget != null) { // Is it time to stop animating? boolean lowerAnimating = mLowerWallpaperTarget.mAnimation != null || (mLowerWallpaperTarget.mAppToken != null && mLowerWallpaperTarget.mAppToken.animation != null); boolean upperAnimating = mUpperWallpaperTarget.mAnimation != null || (mUpperWallpaperTarget.mAppToken != null && mUpperWallpaperTarget.mAppToken.animation != null); if (!lowerAnimating || !upperAnimating) { if (DEBUG_WALLPAPER) { Slog.v(TAG, "No longer animating wallpaper targets!"); } mLowerWallpaperTarget = null; mUpperWallpaperTarget = null; } } boolean visible = foundW != null; if (visible) { // The window is visible to the compositor... but is it visible // to the user? That is what the wallpaper cares about. visible = isWallpaperVisible(foundW); if (DEBUG_WALLPAPER) Slog.v(TAG, "Wallpaper visibility: " + visible); // If the wallpaper target is animating, we may need to copy // its layer adjustment. Only do this if we are not transfering // between two wallpaper targets. mWallpaperAnimLayerAdjustment = (mLowerWallpaperTarget == null && foundW.mAppToken != null) ? foundW.mAppToken.animLayerAdjustment : 0; final int maxLayer = mPolicy.getMaxWallpaperLayer() * TYPE_LAYER_MULTIPLIER + TYPE_LAYER_OFFSET; // Now w is the window we are supposed to be behind... but we // need to be sure to also be behind any of its attached windows, // AND any starting window associated with it, AND below the // maximum layer the policy allows for wallpapers. while (foundI > 0) { WindowState wb = localmWindows.get(foundI-1); if (wb.mBaseLayer < maxLayer && wb.mAttachedWindow != foundW && (foundW.mAttachedWindow == null || wb.mAttachedWindow != foundW.mAttachedWindow) && (wb.mAttrs.type != TYPE_APPLICATION_STARTING || foundW.mToken == null || wb.mToken != foundW.mToken)) { // This window is not related to the previous one in any // interesting way, so stop here. break; } foundW = wb; foundI--; } } else { if (DEBUG_WALLPAPER) Slog.v(TAG, "No wallpaper target"); } if (foundW == null && topCurW != null) { // There is no wallpaper target, so it goes at the bottom. // We will assume it is the same place as last time, if known. foundW = topCurW; foundI = topCurI+1; } else { // Okay i is the position immediately above the wallpaper. Look at // what is below it for later. foundW = foundI > 0 ? localmWindows.get(foundI-1) : null; } if (visible) { if (mWallpaperTarget.mWallpaperX >= 0) { mLastWallpaperX = mWallpaperTarget.mWallpaperX; mLastWallpaperXStep = mWallpaperTarget.mWallpaperXStep; } if (mWallpaperTarget.mWallpaperY >= 0) { mLastWallpaperY = mWallpaperTarget.mWallpaperY; mLastWallpaperYStep = mWallpaperTarget.mWallpaperYStep; } } // Start stepping backwards from here, ensuring that our wallpaper windows // are correctly placed. int curTokenIndex = mWallpaperTokens.size(); while (curTokenIndex > 0) { curTokenIndex--; WindowToken token = mWallpaperTokens.get(curTokenIndex); if (token.hidden == visible) { changed |= ADJUST_WALLPAPER_VISIBILITY_CHANGED; token.hidden = !visible; // Need to do a layout to ensure the wallpaper now has the // correct size. mLayoutNeeded = true; } int curWallpaperIndex = token.windows.size(); while (curWallpaperIndex > 0) { curWallpaperIndex--; WindowState wallpaper = token.windows.get(curWallpaperIndex); if (visible) { updateWallpaperOffsetLocked(wallpaper, dw, dh, false); } // First, make sure the client has the current visibility // state. if (wallpaper.mWallpaperVisible != visible) { wallpaper.mWallpaperVisible = visible; try { if (DEBUG_VISIBILITY || DEBUG_WALLPAPER) Slog.v(TAG, "Setting visibility of wallpaper " + wallpaper + ": " + visible); wallpaper.mClient.dispatchAppVisibility(visible); } catch (RemoteException e) { } } wallpaper.mAnimLayer = wallpaper.mLayer + mWallpaperAnimLayerAdjustment; if (DEBUG_LAYERS || DEBUG_WALLPAPER) Slog.v(TAG, "Wallpaper win " + wallpaper + " anim layer: " + wallpaper.mAnimLayer); // First, if this window is at the current index, then all // is well. if (wallpaper == foundW) { foundI--; foundW = foundI > 0 ? localmWindows.get(foundI-1) : null; continue; } // The window didn't match... the current wallpaper window, // wherever it is, is in the wrong place, so make sure it is // not in the list. int oldIndex = localmWindows.indexOf(wallpaper); if (oldIndex >= 0) { if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Wallpaper removing at " + oldIndex + ": " + wallpaper); localmWindows.remove(oldIndex); mWindowsChanged = true; if (oldIndex < foundI) { foundI--; } } // Now stick it in. if (DEBUG_WALLPAPER || DEBUG_WINDOW_MOVEMENT || DEBUG_ADD_REMOVE) { Slog.v(TAG, "Moving wallpaper " + wallpaper + " from " + oldIndex + " to " + foundI); } localmWindows.add(foundI, wallpaper); mWindowsChanged = true; changed |= ADJUST_WALLPAPER_LAYERS_CHANGED; } } return changed; } void setWallpaperAnimLayerAdjustmentLocked(int adj) { if (DEBUG_LAYERS || DEBUG_WALLPAPER) Slog.v(TAG, "Setting wallpaper layer adj to " + adj); mWallpaperAnimLayerAdjustment = adj; int curTokenIndex = mWallpaperTokens.size(); while (curTokenIndex > 0) { curTokenIndex--; WindowToken token = mWallpaperTokens.get(curTokenIndex); int curWallpaperIndex = token.windows.size(); while (curWallpaperIndex > 0) { curWallpaperIndex--; WindowState wallpaper = token.windows.get(curWallpaperIndex); wallpaper.mAnimLayer = wallpaper.mLayer + adj; if (DEBUG_LAYERS || DEBUG_WALLPAPER) Slog.v(TAG, "Wallpaper win " + wallpaper + " anim layer: " + wallpaper.mAnimLayer); } } } boolean updateWallpaperOffsetLocked(WindowState wallpaperWin, int dw, int dh, boolean sync) { boolean changed = false; boolean rawChanged = false; float wpx = mLastWallpaperX >= 0 ? mLastWallpaperX : 0.5f; float wpxs = mLastWallpaperXStep >= 0 ? mLastWallpaperXStep : -1.0f; int availw = wallpaperWin.mFrame.right-wallpaperWin.mFrame.left-dw; int offset = availw > 0 ? -(int)(availw*wpx+.5f) : 0; changed = wallpaperWin.mXOffset != offset; if (changed) { if (DEBUG_WALLPAPER) Slog.v(TAG, "Update wallpaper " + wallpaperWin + " x: " + offset); wallpaperWin.mXOffset = offset; } if (wallpaperWin.mWallpaperX != wpx || wallpaperWin.mWallpaperXStep != wpxs) { wallpaperWin.mWallpaperX = wpx; wallpaperWin.mWallpaperXStep = wpxs; rawChanged = true; } float wpy = mLastWallpaperY >= 0 ? mLastWallpaperY : 0.5f; float wpys = mLastWallpaperYStep >= 0 ? mLastWallpaperYStep : -1.0f; int availh = wallpaperWin.mFrame.bottom-wallpaperWin.mFrame.top-dh; offset = availh > 0 ? -(int)(availh*wpy+.5f) : 0; if (wallpaperWin.mYOffset != offset) { if (DEBUG_WALLPAPER) Slog.v(TAG, "Update wallpaper " + wallpaperWin + " y: " + offset); changed = true; wallpaperWin.mYOffset = offset; } if (wallpaperWin.mWallpaperY != wpy || wallpaperWin.mWallpaperYStep != wpys) { wallpaperWin.mWallpaperY = wpy; wallpaperWin.mWallpaperYStep = wpys; rawChanged = true; } if (rawChanged && (wallpaperWin.getAttrs().privateFlags & WindowManager.LayoutParams.PRIVATE_FLAG_WANTS_OFFSET_NOTIFICATIONS) != 0) { try { if (DEBUG_WALLPAPER) Slog.v(TAG, "Report new wp offset " + wallpaperWin + " x=" + wallpaperWin.mWallpaperX + " y=" + wallpaperWin.mWallpaperY); if (sync) { mWaitingOnWallpaper = wallpaperWin; } wallpaperWin.mClient.dispatchWallpaperOffsets( wallpaperWin.mWallpaperX, wallpaperWin.mWallpaperY, wallpaperWin.mWallpaperXStep, wallpaperWin.mWallpaperYStep, sync); if (sync) { if (mWaitingOnWallpaper != null) { long start = SystemClock.uptimeMillis(); if ((mLastWallpaperTimeoutTime+WALLPAPER_TIMEOUT_RECOVERY) < start) { try { if (DEBUG_WALLPAPER) Slog.v(TAG, "Waiting for offset complete..."); mWindowMap.wait(WALLPAPER_TIMEOUT); } catch (InterruptedException e) { } if (DEBUG_WALLPAPER) Slog.v(TAG, "Offset complete!"); if ((start+WALLPAPER_TIMEOUT) < SystemClock.uptimeMillis()) { Slog.i(TAG, "Timeout waiting for wallpaper to offset: " + wallpaperWin); mLastWallpaperTimeoutTime = start; } } mWaitingOnWallpaper = null; } } } catch (RemoteException e) { } } return changed; } void wallpaperOffsetsComplete(IBinder window) { synchronized (mWindowMap) { if (mWaitingOnWallpaper != null && mWaitingOnWallpaper.mClient.asBinder() == window) { mWaitingOnWallpaper = null; mWindowMap.notifyAll(); } } } void updateWallpaperOffsetLocked(WindowState changingTarget, boolean sync) { final int dw = mAppDisplayWidth; final int dh = mAppDisplayHeight; WindowState target = mWallpaperTarget; if (target != null) { if (target.mWallpaperX >= 0) { mLastWallpaperX = target.mWallpaperX; } else if (changingTarget.mWallpaperX >= 0) { mLastWallpaperX = changingTarget.mWallpaperX; } if (target.mWallpaperY >= 0) { mLastWallpaperY = target.mWallpaperY; } else if (changingTarget.mWallpaperY >= 0) { mLastWallpaperY = changingTarget.mWallpaperY; } } int curTokenIndex = mWallpaperTokens.size(); while (curTokenIndex > 0) { curTokenIndex--; WindowToken token = mWallpaperTokens.get(curTokenIndex); int curWallpaperIndex = token.windows.size(); while (curWallpaperIndex > 0) { curWallpaperIndex--; WindowState wallpaper = token.windows.get(curWallpaperIndex); if (updateWallpaperOffsetLocked(wallpaper, dw, dh, sync)) { wallpaper.computeShownFrameLocked(); // No need to lay out the windows - we can just set the wallpaper position // directly. if (wallpaper.mSurfaceX != wallpaper.mShownFrame.left || wallpaper.mSurfaceY != wallpaper.mShownFrame.top) { Surface.openTransaction(); try { if (SHOW_TRANSACTIONS) logSurface(wallpaper, "POS " + wallpaper.mShownFrame.left + ", " + wallpaper.mShownFrame.top, null); wallpaper.mSurfaceX = wallpaper.mShownFrame.left; wallpaper.mSurfaceY = wallpaper.mShownFrame.top; wallpaper.mSurface.setPosition(wallpaper.mShownFrame.left, wallpaper.mShownFrame.top); } catch (RuntimeException e) { Slog.w(TAG, "Error positioning surface of " + wallpaper + " pos=(" + wallpaper.mShownFrame.left + "," + wallpaper.mShownFrame.top + ")", e); } Surface.closeTransaction(); } // We only want to be synchronous with one wallpaper. sync = false; } } } } void updateWallpaperVisibilityLocked() { final boolean visible = isWallpaperVisible(mWallpaperTarget); final int dw = mAppDisplayWidth; final int dh = mAppDisplayHeight; int curTokenIndex = mWallpaperTokens.size(); while (curTokenIndex > 0) { curTokenIndex--; WindowToken token = mWallpaperTokens.get(curTokenIndex); if (token.hidden == visible) { token.hidden = !visible; // Need to do a layout to ensure the wallpaper now has the // correct size. mLayoutNeeded = true; } int curWallpaperIndex = token.windows.size(); while (curWallpaperIndex > 0) { curWallpaperIndex--; WindowState wallpaper = token.windows.get(curWallpaperIndex); if (visible) { updateWallpaperOffsetLocked(wallpaper, dw, dh, false); } if (wallpaper.mWallpaperVisible != visible) { wallpaper.mWallpaperVisible = visible; try { if (DEBUG_VISIBILITY || DEBUG_WALLPAPER) Slog.v(TAG, "Updating visibility of wallpaper " + wallpaper + ": " + visible); wallpaper.mClient.dispatchAppVisibility(visible); } catch (RemoteException e) { } } } } } public int addWindow(Session session, IWindow client, int seq, WindowManager.LayoutParams attrs, int viewVisibility, Rect outContentInsets, InputChannel outInputChannel) { int res = mPolicy.checkAddPermission(attrs); if (res != WindowManagerImpl.ADD_OKAY) { return res; } boolean reportNewConfig = false; WindowState attachedWindow = null; WindowState win = null; long origId; synchronized(mWindowMap) { if (mDisplay == null) { throw new IllegalStateException("Display has not been initialialized"); } if (mWindowMap.containsKey(client.asBinder())) { Slog.w(TAG, "Window " + client + " is already added"); return WindowManagerImpl.ADD_DUPLICATE_ADD; } if (attrs.type >= FIRST_SUB_WINDOW && attrs.type <= LAST_SUB_WINDOW) { attachedWindow = windowForClientLocked(null, attrs.token, false); if (attachedWindow == null) { Slog.w(TAG, "Attempted to add window with token that is not a window: " + attrs.token + ". Aborting."); return WindowManagerImpl.ADD_BAD_SUBWINDOW_TOKEN; } if (attachedWindow.mAttrs.type >= FIRST_SUB_WINDOW && attachedWindow.mAttrs.type <= LAST_SUB_WINDOW) { Slog.w(TAG, "Attempted to add window with token that is a sub-window: " + attrs.token + ". Aborting."); return WindowManagerImpl.ADD_BAD_SUBWINDOW_TOKEN; } } boolean addToken = false; WindowToken token = mTokenMap.get(attrs.token); if (token == null) { if (attrs.type >= FIRST_APPLICATION_WINDOW && attrs.type <= LAST_APPLICATION_WINDOW) { Slog.w(TAG, "Attempted to add application window with unknown token " + attrs.token + ". Aborting."); return WindowManagerImpl.ADD_BAD_APP_TOKEN; } if (attrs.type == TYPE_INPUT_METHOD) { Slog.w(TAG, "Attempted to add input method window with unknown token " + attrs.token + ". Aborting."); return WindowManagerImpl.ADD_BAD_APP_TOKEN; } if (attrs.type == TYPE_WALLPAPER) { Slog.w(TAG, "Attempted to add wallpaper window with unknown token " + attrs.token + ". Aborting."); return WindowManagerImpl.ADD_BAD_APP_TOKEN; } token = new WindowToken(this, attrs.token, -1, false); addToken = true; } else if (attrs.type >= FIRST_APPLICATION_WINDOW && attrs.type <= LAST_APPLICATION_WINDOW) { AppWindowToken atoken = token.appWindowToken; if (atoken == null) { Slog.w(TAG, "Attempted to add window with non-application token " + token + ". Aborting."); return WindowManagerImpl.ADD_NOT_APP_TOKEN; } else if (atoken.removed) { Slog.w(TAG, "Attempted to add window with exiting application token " + token + ". Aborting."); return WindowManagerImpl.ADD_APP_EXITING; } if (attrs.type == TYPE_APPLICATION_STARTING && atoken.firstWindowDrawn) { // No need for this guy! if (localLOGV) Slog.v( TAG, "**** NO NEED TO START: " + attrs.getTitle()); return WindowManagerImpl.ADD_STARTING_NOT_NEEDED; } } else if (attrs.type == TYPE_INPUT_METHOD) { if (token.windowType != TYPE_INPUT_METHOD) { Slog.w(TAG, "Attempted to add input method window with bad token " + attrs.token + ". Aborting."); return WindowManagerImpl.ADD_BAD_APP_TOKEN; } } else if (attrs.type == TYPE_WALLPAPER) { if (token.windowType != TYPE_WALLPAPER) { Slog.w(TAG, "Attempted to add wallpaper window with bad token " + attrs.token + ". Aborting."); return WindowManagerImpl.ADD_BAD_APP_TOKEN; } } win = new WindowState(this, session, client, token, attachedWindow, seq, attrs, viewVisibility); if (win.mDeathRecipient == null) { // Client has apparently died, so there is no reason to // continue. Slog.w(TAG, "Adding window client " + client.asBinder() + " that is dead, aborting."); return WindowManagerImpl.ADD_APP_EXITING; } mPolicy.adjustWindowParamsLw(win.mAttrs); res = mPolicy.prepareAddWindowLw(win, attrs); if (res != WindowManagerImpl.ADD_OKAY) { return res; } if (outInputChannel != null && (attrs.inputFeatures & WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL) == 0) { String name = win.makeInputChannelName(); InputChannel[] inputChannels = InputChannel.openInputChannelPair(name); win.setInputChannel(inputChannels[0]); inputChannels[1].transferTo(outInputChannel); mInputManager.registerInputChannel(win.mInputChannel, win.mInputWindowHandle); } // From now on, no exceptions or errors allowed! res = WindowManagerImpl.ADD_OKAY; origId = Binder.clearCallingIdentity(); if (addToken) { mTokenMap.put(attrs.token, token); } win.attach(); mWindowMap.put(client.asBinder(), win); if (attrs.type == TYPE_APPLICATION_STARTING && token.appWindowToken != null) { token.appWindowToken.startingWindow = win; } boolean imMayMove = true; if (attrs.type == TYPE_INPUT_METHOD) { mInputMethodWindow = win; addInputMethodWindowToListLocked(win); imMayMove = false; } else if (attrs.type == TYPE_INPUT_METHOD_DIALOG) { mInputMethodDialogs.add(win); addWindowToListInOrderLocked(win, true); adjustInputMethodDialogsLocked(); imMayMove = false; } else { addWindowToListInOrderLocked(win, true); if (attrs.type == TYPE_WALLPAPER) { mLastWallpaperTimeoutTime = 0; adjustWallpaperWindowsLocked(); } else if ((attrs.flags&FLAG_SHOW_WALLPAPER) != 0) { adjustWallpaperWindowsLocked(); } } win.mEnterAnimationPending = true; mPolicy.getContentInsetHintLw(attrs, outContentInsets); if (mInTouchMode) { res |= WindowManagerImpl.ADD_FLAG_IN_TOUCH_MODE; } if (win == null || win.mAppToken == null || !win.mAppToken.clientHidden) { res |= WindowManagerImpl.ADD_FLAG_APP_VISIBLE; } mInputMonitor.setUpdateInputWindowsNeededLw(); boolean focusChanged = false; if (win.canReceiveKeys()) { focusChanged = updateFocusedWindowLocked(UPDATE_FOCUS_WILL_ASSIGN_LAYERS, false /*updateInputWindows*/); if (focusChanged) { imMayMove = false; } } if (imMayMove) { moveInputMethodWindowsIfNeededLocked(false); } assignLayersLocked(); // Don't do layout here, the window must call // relayout to be displayed, so we'll do it there. //dump(); if (focusChanged) { finishUpdateFocusedWindowAfterAssignLayersLocked(false /*updateInputWindows*/); } mInputMonitor.updateInputWindowsLw(false /*force*/); if (localLOGV) Slog.v( TAG, "New client " + client.asBinder() + ": window=" + win); if (win.isVisibleOrAdding() && updateOrientationFromAppTokensLocked(false)) { reportNewConfig = true; } } if (reportNewConfig) { sendNewConfiguration(); } Binder.restoreCallingIdentity(origId); return res; } public void removeWindow(Session session, IWindow client) { synchronized(mWindowMap) { WindowState win = windowForClientLocked(session, client, false); if (win == null) { return; } removeWindowLocked(session, win); } } public void removeWindowLocked(Session session, WindowState win) { if (localLOGV || DEBUG_FOCUS) Slog.v( TAG, "Remove " + win + " client=" + Integer.toHexString(System.identityHashCode( win.mClient.asBinder())) + ", surface=" + win.mSurface); final long origId = Binder.clearCallingIdentity(); win.disposeInputChannel(); if (DEBUG_APP_TRANSITIONS) Slog.v( TAG, "Remove " + win + ": mSurface=" + win.mSurface + " mExiting=" + win.mExiting + " isAnimating=" + win.isAnimating() + " app-animation=" + (win.mAppToken != null ? win.mAppToken.animation : null) + " inPendingTransaction=" + (win.mAppToken != null ? win.mAppToken.inPendingTransaction : false) + " mDisplayFrozen=" + mDisplayFrozen); // Visibility of the removed window. Will be used later to update orientation later on. boolean wasVisible = false; // First, see if we need to run an animation. If we do, we have // to hold off on removing the window until the animation is done. // If the display is frozen, just remove immediately, since the // animation wouldn't be seen. if (win.mSurface != null && !mDisplayFrozen && mDisplayEnabled && mPolicy.isScreenOnFully()) { // If we are not currently running the exit animation, we // need to see about starting one. if (wasVisible=win.isWinVisibleLw()) { int transit = WindowManagerPolicy.TRANSIT_EXIT; if (win.getAttrs().type == TYPE_APPLICATION_STARTING) { transit = WindowManagerPolicy.TRANSIT_PREVIEW_DONE; } // Try starting an animation. if (applyAnimationLocked(win, transit, false)) { win.mExiting = true; } } if (win.mExiting || win.isAnimating()) { // The exit animation is running... wait for it! //Slog.i(TAG, "*** Running exit animation..."); win.mExiting = true; win.mRemoveOnExit = true; mLayoutNeeded = true; updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES, false /*updateInputWindows*/); performLayoutAndPlaceSurfacesLocked(); mInputMonitor.updateInputWindowsLw(false /*force*/); if (win.mAppToken != null) { win.mAppToken.updateReportedVisibilityLocked(); } //dump(); Binder.restoreCallingIdentity(origId); return; } } removeWindowInnerLocked(session, win); // Removing a visible window will effect the computed orientation // So just update orientation if needed. if (wasVisible && computeForcedAppOrientationLocked() != mForcedAppOrientation && updateOrientationFromAppTokensLocked(false)) { mH.sendEmptyMessage(H.SEND_NEW_CONFIGURATION); } updateFocusedWindowLocked(UPDATE_FOCUS_NORMAL, true /*updateInputWindows*/); Binder.restoreCallingIdentity(origId); } private void removeWindowInnerLocked(Session session, WindowState win) { if (win.mRemoved) { // Nothing to do. return; } for (int i=win.mChildWindows.size()-1; i>=0; i--) { WindowState cwin = win.mChildWindows.get(i); Slog.w(TAG, "Force-removing child win " + cwin + " from container " + win); removeWindowInnerLocked(cwin.mSession, cwin); } win.mRemoved = true; if (mInputMethodTarget == win) { moveInputMethodWindowsIfNeededLocked(false); } if (false) { RuntimeException e = new RuntimeException("here"); e.fillInStackTrace(); Slog.w(TAG, "Removing window " + win, e); } mPolicy.removeWindowLw(win); win.removeLocked(); if (DEBUG_ADD_REMOVE) Slog.v(TAG, "removeWindowInnerLocked: " + win); mWindowMap.remove(win.mClient.asBinder()); mWindows.remove(win); mPendingRemove.remove(win); mWindowsChanged = true; if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Final remove of window: " + win); if (mInputMethodWindow == win) { mInputMethodWindow = null; } else if (win.mAttrs.type == TYPE_INPUT_METHOD_DIALOG) { mInputMethodDialogs.remove(win); } final WindowToken token = win.mToken; final AppWindowToken atoken = win.mAppToken; if (DEBUG_ADD_REMOVE) Slog.v(TAG, "Removing " + win + " from " + token); token.windows.remove(win); if (atoken != null) { atoken.allAppWindows.remove(win); } if (localLOGV) Slog.v( TAG, "**** Removing window " + win + ": count=" + token.windows.size()); if (token.windows.size() == 0) { if (!token.explicit) { mTokenMap.remove(token.token); } else if (atoken != null) { atoken.firstWindowDrawn = false; } } if (atoken != null) { if (atoken.startingWindow == win) { atoken.startingWindow = null; } else if (atoken.allAppWindows.size() == 0 && atoken.startingData != null) { // If this is the last window and we had requested a starting // transition window, well there is no point now. atoken.startingData = null; } else if (atoken.allAppWindows.size() == 1 && atoken.startingView != null) { // If this is the last window except for a starting transition // window, we need to get rid of the starting transition. if (DEBUG_STARTING_WINDOW) { Slog.v(TAG, "Schedule remove starting " + token + ": no more real windows"); } Message m = mH.obtainMessage(H.REMOVE_STARTING, atoken); mH.sendMessage(m); } } if (win.mAttrs.type == TYPE_WALLPAPER) { mLastWallpaperTimeoutTime = 0; adjustWallpaperWindowsLocked(); } else if ((win.mAttrs.flags&FLAG_SHOW_WALLPAPER) != 0) { adjustWallpaperWindowsLocked(); } if (!mInLayout) { assignLayersLocked(); mLayoutNeeded = true; performLayoutAndPlaceSurfacesLocked(); if (win.mAppToken != null) { win.mAppToken.updateReportedVisibilityLocked(); } } mInputMonitor.updateInputWindowsLw(true /*force*/); } static void logSurface(WindowState w, String msg, RuntimeException where) { String str = " SURFACE " + Integer.toHexString(w.hashCode()) + ": " + msg + " / " + w.mAttrs.getTitle(); if (where != null) { Slog.i(TAG, str, where); } else { Slog.i(TAG, str); } } void setTransparentRegionWindow(Session session, IWindow client, Region region) { long origId = Binder.clearCallingIdentity(); try { synchronized (mWindowMap) { WindowState w = windowForClientLocked(session, client, false); if ((w != null) && (w.mSurface != null)) { if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG, ">>> OPEN TRANSACTION setTransparentRegion"); Surface.openTransaction(); try { if (SHOW_TRANSACTIONS) logSurface(w, "transparentRegionHint=" + region, null); w.mSurface.setTransparentRegionHint(region); } finally { Surface.closeTransaction(); if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG, "<<< CLOSE TRANSACTION setTransparentRegion"); } } } } finally { Binder.restoreCallingIdentity(origId); } } void setInsetsWindow(Session session, IWindow client, int touchableInsets, Rect contentInsets, Rect visibleInsets, Region touchableRegion) { long origId = Binder.clearCallingIdentity(); try { synchronized (mWindowMap) { WindowState w = windowForClientLocked(session, client, false); if (w != null) { w.mGivenInsetsPending = false; w.mGivenContentInsets.set(contentInsets); w.mGivenVisibleInsets.set(visibleInsets); w.mGivenTouchableRegion.set(touchableRegion); w.mTouchableInsets = touchableInsets; if (w.mGlobalScale != 1) { w.mGivenContentInsets.scale(w.mGlobalScale); w.mGivenVisibleInsets.scale(w.mGlobalScale); w.mGivenTouchableRegion.scale(w.mGlobalScale); } mLayoutNeeded = true; performLayoutAndPlaceSurfacesLocked(); } } } finally { Binder.restoreCallingIdentity(origId); } } public void getWindowDisplayFrame(Session session, IWindow client, Rect outDisplayFrame) { synchronized(mWindowMap) { WindowState win = windowForClientLocked(session, client, false); if (win == null) { outDisplayFrame.setEmpty(); return; } outDisplayFrame.set(win.mDisplayFrame); } } public void setWindowWallpaperPositionLocked(WindowState window, float x, float y, float xStep, float yStep) { if (window.mWallpaperX != x || window.mWallpaperY != y) { window.mWallpaperX = x; window.mWallpaperY = y; window.mWallpaperXStep = xStep; window.mWallpaperYStep = yStep; updateWallpaperOffsetLocked(window, true); } } void wallpaperCommandComplete(IBinder window, Bundle result) { synchronized (mWindowMap) { if (mWaitingOnWallpaper != null && mWaitingOnWallpaper.mClient.asBinder() == window) { mWaitingOnWallpaper = null; mWindowMap.notifyAll(); } } } public Bundle sendWindowWallpaperCommandLocked(WindowState window, String action, int x, int y, int z, Bundle extras, boolean sync) { if (window == mWallpaperTarget || window == mLowerWallpaperTarget || window == mUpperWallpaperTarget) { boolean doWait = sync; int curTokenIndex = mWallpaperTokens.size(); while (curTokenIndex > 0) { curTokenIndex--; WindowToken token = mWallpaperTokens.get(curTokenIndex); int curWallpaperIndex = token.windows.size(); while (curWallpaperIndex > 0) { curWallpaperIndex--; WindowState wallpaper = token.windows.get(curWallpaperIndex); try { wallpaper.mClient.dispatchWallpaperCommand(action, x, y, z, extras, sync); // We only want to be synchronous with one wallpaper. sync = false; } catch (RemoteException e) { } } } if (doWait) { // XXX Need to wait for result. } } return null; } public int relayoutWindow(Session session, IWindow client, int seq, WindowManager.LayoutParams attrs, int requestedWidth, int requestedHeight, int viewVisibility, int flags, Rect outFrame, Rect outContentInsets, Rect outVisibleInsets, Configuration outConfig, Surface outSurface) { boolean displayed = false; boolean inTouchMode; boolean configChanged; boolean surfaceChanged = false; // if they don't have this permission, mask out the status bar bits int systemUiVisibility = 0; if (attrs != null) { systemUiVisibility = (attrs.systemUiVisibility|attrs.subtreeSystemUiVisibility); if ((systemUiVisibility & StatusBarManager.DISABLE_MASK) != 0) { if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.STATUS_BAR) != PackageManager.PERMISSION_GRANTED) { systemUiVisibility &= ~StatusBarManager.DISABLE_MASK; } } } long origId = Binder.clearCallingIdentity(); synchronized(mWindowMap) { WindowState win = windowForClientLocked(session, client, false); if (win == null) { return 0; } if (win.mRequestedWidth != requestedWidth || win.mRequestedHeight != requestedHeight) { win.mLayoutNeeded = true; win.mRequestedWidth = requestedWidth; win.mRequestedHeight = requestedHeight; } if (attrs != null && seq == win.mSeq) { win.mSystemUiVisibility = systemUiVisibility; } if (attrs != null) { mPolicy.adjustWindowParamsLw(attrs); } win.mSurfaceDestroyDeferred = (flags&WindowManagerImpl.RELAYOUT_DEFER_SURFACE_DESTROY) != 0; int attrChanges = 0; int flagChanges = 0; if (attrs != null) { if (win.mAttrs.type != attrs.type) { throw new IllegalArgumentException( "Window type can not be changed after the window is added."); } flagChanges = win.mAttrs.flags ^= attrs.flags; attrChanges = win.mAttrs.copyFrom(attrs); if ((attrChanges&WindowManager.LayoutParams.LAYOUT_CHANGED) != 0) { win.mLayoutNeeded = true; } } if (DEBUG_LAYOUT) Slog.v(TAG, "Relayout " + win + ": " + win.mAttrs); win.mEnforceSizeCompat = (win.mAttrs.flags & FLAG_COMPATIBLE_WINDOW) != 0; if ((attrChanges & WindowManager.LayoutParams.ALPHA_CHANGED) != 0) { win.mAlpha = attrs.alpha; } final boolean scaledWindow = ((win.mAttrs.flags & WindowManager.LayoutParams.FLAG_SCALED) != 0); if (scaledWindow) { // requested{Width|Height} Surface's physical size // attrs.{width|height} Size on screen win.mHScale = (attrs.width != requestedWidth) ? (attrs.width / (float)requestedWidth) : 1.0f; win.mVScale = (attrs.height != requestedHeight) ? (attrs.height / (float)requestedHeight) : 1.0f; } else { win.mHScale = win.mVScale = 1; } boolean imMayMove = (flagChanges&( WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE)) != 0; boolean focusMayChange = win.mViewVisibility != viewVisibility || ((flagChanges&WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) != 0) || (!win.mRelayoutCalled); boolean wallpaperMayMove = win.mViewVisibility != viewVisibility && (win.mAttrs.flags & FLAG_SHOW_WALLPAPER) != 0; wallpaperMayMove |= (flagChanges & FLAG_SHOW_WALLPAPER) != 0; win.mRelayoutCalled = true; final int oldVisibility = win.mViewVisibility; win.mViewVisibility = viewVisibility; if (DEBUG_SCREEN_ON) { RuntimeException stack = new RuntimeException(); stack.fillInStackTrace(); Slog.i(TAG, "Relayout " + win + ": oldVis=" + oldVisibility + " newVis=" + viewVisibility, stack); } if (viewVisibility == View.VISIBLE && (win.mAppToken == null || !win.mAppToken.clientHidden)) { displayed = !win.isVisibleLw(); if (win.mExiting) { win.cancelExitAnimationForNextAnimationLocked(); } if (win.mDestroying) { win.mDestroying = false; mDestroySurface.remove(win); } if (oldVisibility == View.GONE) { win.mEnterAnimationPending = true; } if (displayed) { if (win.mSurface != null && !win.mDrawPending && !win.mCommitDrawPending && !mDisplayFrozen && mDisplayEnabled && mPolicy.isScreenOnFully()) { applyEnterAnimationLocked(win); } if ((win.mAttrs.flags & WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON) != 0) { if (DEBUG_VISIBILITY) Slog.v(TAG, "Relayout window turning screen on: " + win); win.mTurnOnScreen = true; } int diff = 0; if (win.mConfiguration != mCurConfiguration && (win.mConfiguration == null || (diff=mCurConfiguration.diff(win.mConfiguration)) != 0)) { win.mConfiguration = mCurConfiguration; if (DEBUG_CONFIGURATION) { Slog.i(TAG, "Window " + win + " visible with new config: " + win.mConfiguration + " / 0x" + Integer.toHexString(diff)); } outConfig.setTo(mCurConfiguration); } } if ((attrChanges&WindowManager.LayoutParams.FORMAT_CHANGED) != 0) { // To change the format, we need to re-build the surface. win.destroySurfaceLocked(); displayed = true; surfaceChanged = true; } try { if (win.mSurface == null) { surfaceChanged = true; } Surface surface = win.createSurfaceLocked(); if (surface != null) { outSurface.copyFrom(surface); win.mReportDestroySurface = false; win.mSurfacePendingDestroy = false; if (SHOW_TRANSACTIONS) Slog.i(TAG, " OUT SURFACE " + outSurface + ": copied"); } else { // For some reason there isn't a surface. Clear the // caller's object so they see the same state. outSurface.release(); } } catch (Exception e) { mInputMonitor.updateInputWindowsLw(true /*force*/); Slog.w(TAG, "Exception thrown when creating surface for client " + client + " (" + win.mAttrs.getTitle() + ")", e); Binder.restoreCallingIdentity(origId); return 0; } if (displayed) { focusMayChange = true; } if (win.mAttrs.type == TYPE_INPUT_METHOD && mInputMethodWindow == null) { mInputMethodWindow = win; imMayMove = true; } if (win.mAttrs.type == TYPE_BASE_APPLICATION && win.mAppToken != null && win.mAppToken.startingWindow != null) { // Special handling of starting window over the base // window of the app: propagate lock screen flags to it, // to provide the correct semantics while starting. final int mask = WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED | WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON; WindowManager.LayoutParams sa = win.mAppToken.startingWindow.mAttrs; sa.flags = (sa.flags&~mask) | (win.mAttrs.flags&mask); } } else { win.mEnterAnimationPending = false; if (win.mSurface != null) { if (DEBUG_VISIBILITY) Slog.i(TAG, "Relayout invis " + win + ": mExiting=" + win.mExiting + " mSurfacePendingDestroy=" + win.mSurfacePendingDestroy); // If we are not currently running the exit animation, we // need to see about starting one. if (!win.mExiting || win.mSurfacePendingDestroy) { surfaceChanged = true; // Try starting an animation; if there isn't one, we // can destroy the surface right away. int transit = WindowManagerPolicy.TRANSIT_EXIT; if (win.getAttrs().type == TYPE_APPLICATION_STARTING) { transit = WindowManagerPolicy.TRANSIT_PREVIEW_DONE; } if (!win.mSurfacePendingDestroy && win.isWinVisibleLw() && applyAnimationLocked(win, transit, false)) { focusMayChange = true; win.mExiting = true; } else if (win.isAnimating()) { // Currently in a hide animation... turn this into // an exit. win.mExiting = true; } else if (win == mWallpaperTarget) { // If the wallpaper is currently behind this // window, we need to change both of them inside // of a transaction to avoid artifacts. win.mExiting = true; win.mAnimating = true; } else { if (mInputMethodWindow == win) { mInputMethodWindow = null; } win.destroySurfaceLocked(); } } } if (win.mSurface == null || (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_KEEP_SURFACE_WHILE_ANIMATING) == 0 || win.mSurfacePendingDestroy) { // We could be called from a local process, which // means outSurface holds its current surface. Ensure the // surface object is cleared, but we don't necessarily want // it actually destroyed at this point. win.mSurfacePendingDestroy = false; outSurface.release(); if (DEBUG_VISIBILITY) Slog.i(TAG, "Releasing surface in: " + win); } else if (win.mSurface != null) { if (DEBUG_VISIBILITY) Slog.i(TAG, "Keeping surface, will report destroy: " + win); win.mReportDestroySurface = true; outSurface.copyFrom(win.mSurface); } } if (focusMayChange) { //System.out.println("Focus may change: " + win.mAttrs.getTitle()); if (updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES, false /*updateInputWindows*/)) { imMayMove = false; } //System.out.println("Relayout " + win + ": focus=" + mCurrentFocus); } // updateFocusedWindowLocked() already assigned layers so we only need to // reassign them at this point if the IM window state gets shuffled boolean assignLayers = false; if (imMayMove) { if (moveInputMethodWindowsIfNeededLocked(false) || displayed) { // Little hack here -- we -should- be able to rely on the // function to return true if the IME has moved and needs // its layer recomputed. However, if the IME was hidden // and isn't actually moved in the list, its layer may be // out of data so we make sure to recompute it. assignLayers = true; } } if (wallpaperMayMove) { if ((adjustWallpaperWindowsLocked()&ADJUST_WALLPAPER_LAYERS_CHANGED) != 0) { assignLayers = true; } } mLayoutNeeded = true; win.mGivenInsetsPending = (flags&WindowManagerImpl.RELAYOUT_INSETS_PENDING) != 0; if (assignLayers) { assignLayersLocked(); } configChanged = updateOrientationFromAppTokensLocked(false); performLayoutAndPlaceSurfacesLocked(); if (displayed && win.mIsWallpaper) { updateWallpaperOffsetLocked(win, mAppDisplayWidth, mAppDisplayHeight, false); } if (win.mAppToken != null) { win.mAppToken.updateReportedVisibilityLocked(); } outFrame.set(win.mCompatFrame); outContentInsets.set(win.mContentInsets); outVisibleInsets.set(win.mVisibleInsets); if (localLOGV) Slog.v( TAG, "Relayout given client " + client.asBinder() + ", requestedWidth=" + requestedWidth + ", requestedHeight=" + requestedHeight + ", viewVisibility=" + viewVisibility + "\nRelayout returning frame=" + outFrame + ", surface=" + outSurface); if (localLOGV || DEBUG_FOCUS) Slog.v( TAG, "Relayout of " + win + ": focusMayChange=" + focusMayChange); inTouchMode = mInTouchMode; mInputMonitor.updateInputWindowsLw(true /*force*/); } if (configChanged) { sendNewConfiguration(); } Binder.restoreCallingIdentity(origId); return (inTouchMode ? WindowManagerImpl.RELAYOUT_RES_IN_TOUCH_MODE : 0) | (displayed ? WindowManagerImpl.RELAYOUT_RES_FIRST_TIME : 0) | (surfaceChanged ? WindowManagerImpl.RELAYOUT_RES_SURFACE_CHANGED : 0); } public void performDeferredDestroyWindow(Session session, IWindow client) { long origId = Binder.clearCallingIdentity(); try { synchronized(mWindowMap) { WindowState win = windowForClientLocked(session, client, false); if (win == null) { return; } win.destroyDeferredSurfaceLocked(); } } finally { Binder.restoreCallingIdentity(origId); } } public boolean outOfMemoryWindow(Session session, IWindow client) { long origId = Binder.clearCallingIdentity(); try { synchronized(mWindowMap) { WindowState win = windowForClientLocked(session, client, false); if (win == null) { return false; } return reclaimSomeSurfaceMemoryLocked(win, "from-client", false); } } finally { Binder.restoreCallingIdentity(origId); } } public void finishDrawingWindow(Session session, IWindow client) { final long origId = Binder.clearCallingIdentity(); synchronized(mWindowMap) { WindowState win = windowForClientLocked(session, client, false); if (win != null && win.finishDrawingLocked()) { if ((win.mAttrs.flags&FLAG_SHOW_WALLPAPER) != 0) { adjustWallpaperWindowsLocked(); } mLayoutNeeded = true; performLayoutAndPlaceSurfacesLocked(); } } Binder.restoreCallingIdentity(origId); } public float getWindowCompatibilityScale(IBinder windowToken) { synchronized (mWindowMap) { WindowState windowState = mWindowMap.get(windowToken); return (windowState != null) ? windowState.mGlobalScale : 1.0f; } } private AttributeCache.Entry getCachedAnimations(WindowManager.LayoutParams lp) { if (DEBUG_ANIM) Slog.v(TAG, "Loading animations: layout params pkg=" + (lp != null ? lp.packageName : null) + " resId=0x" + (lp != null ? Integer.toHexString(lp.windowAnimations) : null)); if (lp != null && lp.windowAnimations != 0) { // If this is a system resource, don't try to load it from the // application resources. It is nice to avoid loading application // resources if we can. String packageName = lp.packageName != null ? lp.packageName : "android"; int resId = lp.windowAnimations; if ((resId&0xFF000000) == 0x01000000) { packageName = "android"; } if (DEBUG_ANIM) Slog.v(TAG, "Loading animations: picked package=" + packageName); return AttributeCache.instance().get(packageName, resId, com.android.internal.R.styleable.WindowAnimation); } return null; } private AttributeCache.Entry getCachedAnimations(String packageName, int resId) { if (DEBUG_ANIM) Slog.v(TAG, "Loading animations: package=" + packageName + " resId=0x" + Integer.toHexString(resId)); if (packageName != null) { if ((resId&0xFF000000) == 0x01000000) { packageName = "android"; } if (DEBUG_ANIM) Slog.v(TAG, "Loading animations: picked package=" + packageName); return AttributeCache.instance().get(packageName, resId, com.android.internal.R.styleable.WindowAnimation); } return null; } void applyEnterAnimationLocked(WindowState win) { int transit = WindowManagerPolicy.TRANSIT_SHOW; if (win.mEnterAnimationPending) { win.mEnterAnimationPending = false; transit = WindowManagerPolicy.TRANSIT_ENTER; } applyAnimationLocked(win, transit, true); } boolean applyAnimationLocked(WindowState win, int transit, boolean isEntrance) { if (win.mLocalAnimating && win.mAnimationIsEntrance == isEntrance) { // If we are trying to apply an animation, but already running // an animation of the same type, then just leave that one alone. return true; } // Only apply an animation if the display isn't frozen. If it is // frozen, there is no reason to animate and it can cause strange // artifacts when we unfreeze the display if some different animation // is running. if (!mDisplayFrozen && mDisplayEnabled && mPolicy.isScreenOnFully()) { int anim = mPolicy.selectAnimationLw(win, transit); int attr = -1; Animation a = null; if (anim != 0) { a = AnimationUtils.loadAnimation(mContext, anim); } else { switch (transit) { case WindowManagerPolicy.TRANSIT_ENTER: attr = com.android.internal.R.styleable.WindowAnimation_windowEnterAnimation; break; case WindowManagerPolicy.TRANSIT_EXIT: attr = com.android.internal.R.styleable.WindowAnimation_windowExitAnimation; break; case WindowManagerPolicy.TRANSIT_SHOW: attr = com.android.internal.R.styleable.WindowAnimation_windowShowAnimation; break; case WindowManagerPolicy.TRANSIT_HIDE: attr = com.android.internal.R.styleable.WindowAnimation_windowHideAnimation; break; } if (attr >= 0) { a = loadAnimation(win.mAttrs, attr); } } if (DEBUG_ANIM) Slog.v(TAG, "applyAnimation: win=" + win + " anim=" + anim + " attr=0x" + Integer.toHexString(attr) + " mAnimation=" + win.mAnimation + " isEntrance=" + isEntrance); if (a != null) { if (DEBUG_ANIM) { RuntimeException e = null; if (!HIDE_STACK_CRAWLS) { e = new RuntimeException(); e.fillInStackTrace(); } Slog.v(TAG, "Loaded animation " + a + " for " + win, e); } win.setAnimation(a); win.mAnimationIsEntrance = isEntrance; } } else { win.clearAnimation(); } return win.mAnimation != null; } private Animation loadAnimation(WindowManager.LayoutParams lp, int animAttr) { int anim = 0; Context context = mContext; if (animAttr >= 0) { AttributeCache.Entry ent = getCachedAnimations(lp); if (ent != null) { context = ent.context; anim = ent.array.getResourceId(animAttr, 0); } } if (anim != 0) { return AnimationUtils.loadAnimation(context, anim); } return null; } private Animation loadAnimation(String packageName, int resId) { int anim = 0; Context context = mContext; if (resId >= 0) { AttributeCache.Entry ent = getCachedAnimations(packageName, resId); if (ent != null) { context = ent.context; anim = resId; } } if (anim != 0) { return AnimationUtils.loadAnimation(context, anim); } return null; } private boolean applyAnimationLocked(AppWindowToken wtoken, WindowManager.LayoutParams lp, int transit, boolean enter) { // Only apply an animation if the display isn't frozen. If it is // frozen, there is no reason to animate and it can cause strange // artifacts when we unfreeze the display if some different animation // is running. if (!mDisplayFrozen && mDisplayEnabled && mPolicy.isScreenOnFully()) { Animation a; if (mNextAppTransitionPackage != null) { a = loadAnimation(mNextAppTransitionPackage, enter ? mNextAppTransitionEnter : mNextAppTransitionExit); } else { int animAttr = 0; switch (transit) { case WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN: animAttr = enter ? com.android.internal.R.styleable.WindowAnimation_activityOpenEnterAnimation : com.android.internal.R.styleable.WindowAnimation_activityOpenExitAnimation; break; case WindowManagerPolicy.TRANSIT_ACTIVITY_CLOSE: animAttr = enter ? com.android.internal.R.styleable.WindowAnimation_activityCloseEnterAnimation : com.android.internal.R.styleable.WindowAnimation_activityCloseExitAnimation; break; case WindowManagerPolicy.TRANSIT_TASK_OPEN: animAttr = enter ? com.android.internal.R.styleable.WindowAnimation_taskOpenEnterAnimation : com.android.internal.R.styleable.WindowAnimation_taskOpenExitAnimation; break; case WindowManagerPolicy.TRANSIT_TASK_CLOSE: animAttr = enter ? com.android.internal.R.styleable.WindowAnimation_taskCloseEnterAnimation : com.android.internal.R.styleable.WindowAnimation_taskCloseExitAnimation; break; case WindowManagerPolicy.TRANSIT_TASK_TO_FRONT: animAttr = enter ? com.android.internal.R.styleable.WindowAnimation_taskToFrontEnterAnimation : com.android.internal.R.styleable.WindowAnimation_taskToFrontExitAnimation; break; case WindowManagerPolicy.TRANSIT_TASK_TO_BACK: animAttr = enter ? com.android.internal.R.styleable.WindowAnimation_taskToBackEnterAnimation : com.android.internal.R.styleable.WindowAnimation_taskToBackExitAnimation; break; case WindowManagerPolicy.TRANSIT_WALLPAPER_OPEN: animAttr = enter ? com.android.internal.R.styleable.WindowAnimation_wallpaperOpenEnterAnimation : com.android.internal.R.styleable.WindowAnimation_wallpaperOpenExitAnimation; break; case WindowManagerPolicy.TRANSIT_WALLPAPER_CLOSE: animAttr = enter ? com.android.internal.R.styleable.WindowAnimation_wallpaperCloseEnterAnimation : com.android.internal.R.styleable.WindowAnimation_wallpaperCloseExitAnimation; break; case WindowManagerPolicy.TRANSIT_WALLPAPER_INTRA_OPEN: animAttr = enter ? com.android.internal.R.styleable.WindowAnimation_wallpaperIntraOpenEnterAnimation : com.android.internal.R.styleable.WindowAnimation_wallpaperIntraOpenExitAnimation; break; case WindowManagerPolicy.TRANSIT_WALLPAPER_INTRA_CLOSE: animAttr = enter ? com.android.internal.R.styleable.WindowAnimation_wallpaperIntraCloseEnterAnimation : com.android.internal.R.styleable.WindowAnimation_wallpaperIntraCloseExitAnimation; break; } a = animAttr != 0 ? loadAnimation(lp, animAttr) : null; if (DEBUG_ANIM) Slog.v(TAG, "applyAnimation: wtoken=" + wtoken + " anim=" + a + " animAttr=0x" + Integer.toHexString(animAttr) + " transit=" + transit); } if (a != null) { if (DEBUG_ANIM) { RuntimeException e = null; if (!HIDE_STACK_CRAWLS) { e = new RuntimeException(); e.fillInStackTrace(); } Slog.v(TAG, "Loaded animation " + a + " for " + wtoken, e); } wtoken.setAnimation(a); } } else { wtoken.clearAnimation(); } return wtoken.animation != null; } // ------------------------------------------------------------- // Application Window Tokens // ------------------------------------------------------------- public void validateAppTokens(List<IBinder> tokens) { int v = tokens.size()-1; int m = mAppTokens.size()-1; while (v >= 0 && m >= 0) { AppWindowToken wtoken = mAppTokens.get(m); if (wtoken.removed) { m--; continue; } if (tokens.get(v) != wtoken.token) { Slog.w(TAG, "Tokens out of sync: external is " + tokens.get(v) + " @ " + v + ", internal is " + wtoken.token + " @ " + m); } v--; m--; } while (v >= 0) { Slog.w(TAG, "External token not found: " + tokens.get(v) + " @ " + v); v--; } while (m >= 0) { AppWindowToken wtoken = mAppTokens.get(m); if (!wtoken.removed) { Slog.w(TAG, "Invalid internal token: " + wtoken.token + " @ " + m); } m--; } } boolean checkCallingPermission(String permission, String func) { // Quick check: if the calling permission is me, it's all okay. if (Binder.getCallingPid() == Process.myPid()) { return true; } if (mContext.checkCallingPermission(permission) == PackageManager.PERMISSION_GRANTED) { return true; } String msg = "Permission Denial: " + func + " from pid=" + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid() + " requires " + permission; Slog.w(TAG, msg); return false; } AppWindowToken findAppWindowToken(IBinder token) { WindowToken wtoken = mTokenMap.get(token); if (wtoken == null) { return null; } return wtoken.appWindowToken; } public void addWindowToken(IBinder token, int type) { if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS, "addWindowToken()")) { throw new SecurityException("Requires MANAGE_APP_TOKENS permission"); } synchronized(mWindowMap) { WindowToken wtoken = mTokenMap.get(token); if (wtoken != null) { Slog.w(TAG, "Attempted to add existing input method token: " + token); return; } wtoken = new WindowToken(this, token, type, true); mTokenMap.put(token, wtoken); if (type == TYPE_WALLPAPER) { mWallpaperTokens.add(wtoken); } } } public void removeWindowToken(IBinder token) { if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS, "removeWindowToken()")) { throw new SecurityException("Requires MANAGE_APP_TOKENS permission"); } final long origId = Binder.clearCallingIdentity(); synchronized(mWindowMap) { WindowToken wtoken = mTokenMap.remove(token); if (wtoken != null) { boolean delayed = false; if (!wtoken.hidden) { wtoken.hidden = true; final int N = wtoken.windows.size(); boolean changed = false; for (int i=0; i<N; i++) { WindowState win = wtoken.windows.get(i); if (win.isAnimating()) { delayed = true; } if (win.isVisibleNow()) { applyAnimationLocked(win, WindowManagerPolicy.TRANSIT_EXIT, false); changed = true; } } if (changed) { mLayoutNeeded = true; performLayoutAndPlaceSurfacesLocked(); updateFocusedWindowLocked(UPDATE_FOCUS_NORMAL, false /*updateInputWindows*/); } if (delayed) { mExitingTokens.add(wtoken); } else if (wtoken.windowType == TYPE_WALLPAPER) { mWallpaperTokens.remove(wtoken); } } mInputMonitor.updateInputWindowsLw(true /*force*/); } else { Slog.w(TAG, "Attempted to remove non-existing token: " + token); } } Binder.restoreCallingIdentity(origId); } public void addAppToken(int addPos, IApplicationToken token, int groupId, int requestedOrientation, boolean fullscreen) { if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS, "addAppToken()")) { throw new SecurityException("Requires MANAGE_APP_TOKENS permission"); } // Get the dispatching timeout here while we are not holding any locks so that it // can be cached by the AppWindowToken. The timeout value is used later by the // input dispatcher in code that does hold locks. If we did not cache the value // here we would run the chance of introducing a deadlock between the window manager // (which holds locks while updating the input dispatcher state) and the activity manager // (which holds locks while querying the application token). long inputDispatchingTimeoutNanos; try { inputDispatchingTimeoutNanos = token.getKeyDispatchingTimeout() * 1000000L; } catch (RemoteException ex) { Slog.w(TAG, "Could not get dispatching timeout.", ex); inputDispatchingTimeoutNanos = DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS; } synchronized(mWindowMap) { AppWindowToken wtoken = findAppWindowToken(token.asBinder()); if (wtoken != null) { Slog.w(TAG, "Attempted to add existing app token: " + token); return; } wtoken = new AppWindowToken(this, token); wtoken.inputDispatchingTimeoutNanos = inputDispatchingTimeoutNanos; wtoken.groupId = groupId; wtoken.appFullscreen = fullscreen; wtoken.requestedOrientation = requestedOrientation; if (DEBUG_TOKEN_MOVEMENT || DEBUG_ADD_REMOVE) Slog.v(TAG, "addAppToken: " + wtoken); mAppTokens.add(addPos, wtoken); mTokenMap.put(token.asBinder(), wtoken); // Application tokens start out hidden. wtoken.hidden = true; wtoken.hiddenRequested = true; //dump(); } } public void setAppGroupId(IBinder token, int groupId) { if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS, "setAppStartingIcon()")) { throw new SecurityException("Requires MANAGE_APP_TOKENS permission"); } synchronized(mWindowMap) { AppWindowToken wtoken = findAppWindowToken(token); if (wtoken == null) { Slog.w(TAG, "Attempted to set group id of non-existing app token: " + token); return; } wtoken.groupId = groupId; } } public int getOrientationFromWindowsLocked() { if (mDisplayFrozen || mOpeningApps.size() > 0 || mClosingApps.size() > 0) { // If the display is frozen, some activities may be in the middle // of restarting, and thus have removed their old window. If the // window has the flag to hide the lock screen, then the lock screen // can re-appear and inflict its own orientation on us. Keep the // orientation stable until this all settles down. return mLastWindowForcedOrientation; } int pos = mWindows.size() - 1; while (pos >= 0) { WindowState wtoken = mWindows.get(pos); pos--; if (wtoken.mAppToken != null) { // We hit an application window. so the orientation will be determined by the // app window. No point in continuing further. return (mLastWindowForcedOrientation=ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED); } if (!wtoken.isVisibleLw() || !wtoken.mPolicyVisibilityAfterAnim) { continue; } int req = wtoken.mAttrs.screenOrientation; if((req == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED) || (req == ActivityInfo.SCREEN_ORIENTATION_BEHIND)){ continue; } else { return (mLastWindowForcedOrientation=req); } } return (mLastWindowForcedOrientation=ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED); } public int getOrientationFromAppTokensLocked() { int pos = mAppTokens.size() - 1; int curGroup = 0; int lastOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED; boolean findingBehind = false; boolean haveGroup = false; boolean lastFullscreen = false; while (pos >= 0) { AppWindowToken wtoken = mAppTokens.get(pos); pos--; if (DEBUG_APP_ORIENTATION) Slog.v(TAG, "Checking app orientation: " + wtoken); // if we're about to tear down this window and not seek for // the behind activity, don't use it for orientation if (!findingBehind && (!wtoken.hidden && wtoken.hiddenRequested)) { if (DEBUG_ORIENTATION) Slog.v(TAG, "Skipping " + wtoken + " -- going to hide"); continue; } if (!haveGroup) { // We ignore any hidden applications on the top. if (wtoken.hiddenRequested || wtoken.willBeHidden) { if (DEBUG_ORIENTATION) Slog.v(TAG, "Skipping " + wtoken + " -- hidden on top"); continue; } haveGroup = true; curGroup = wtoken.groupId; lastOrientation = wtoken.requestedOrientation; } else if (curGroup != wtoken.groupId) { // If we have hit a new application group, and the bottom // of the previous group didn't explicitly say to use // the orientation behind it, and the last app was // full screen, then we'll stick with the // user's orientation. if (lastOrientation != ActivityInfo.SCREEN_ORIENTATION_BEHIND && lastFullscreen) { if (DEBUG_ORIENTATION) Slog.v(TAG, "Done at " + wtoken + " -- end of group, return " + lastOrientation); return lastOrientation; } } int or = wtoken.requestedOrientation; // If this application is fullscreen, and didn't explicitly say // to use the orientation behind it, then just take whatever // orientation it has and ignores whatever is under it. lastFullscreen = wtoken.appFullscreen; if (lastFullscreen && or != ActivityInfo.SCREEN_ORIENTATION_BEHIND) { if (DEBUG_ORIENTATION) Slog.v(TAG, "Done at " + wtoken + " -- full screen, return " + or); return or; } // If this application has requested an explicit orientation, // then use it. if (or != ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED && or != ActivityInfo.SCREEN_ORIENTATION_BEHIND) { if (DEBUG_ORIENTATION) Slog.v(TAG, "Done at " + wtoken + " -- explicitly set, return " + or); return or; } findingBehind |= (or == ActivityInfo.SCREEN_ORIENTATION_BEHIND); } if (DEBUG_ORIENTATION) Slog.v(TAG, "No app is requesting an orientation"); return ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED; } public Configuration updateOrientationFromAppTokens( Configuration currentConfig, IBinder freezeThisOneIfNeeded) { if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS, "updateOrientationFromAppTokens()")) { throw new SecurityException("Requires MANAGE_APP_TOKENS permission"); } Configuration config = null; long ident = Binder.clearCallingIdentity(); synchronized(mWindowMap) { config = updateOrientationFromAppTokensLocked(currentConfig, freezeThisOneIfNeeded); } Binder.restoreCallingIdentity(ident); return config; } private Configuration updateOrientationFromAppTokensLocked( Configuration currentConfig, IBinder freezeThisOneIfNeeded) { Configuration config = null; if (updateOrientationFromAppTokensLocked(false)) { if (freezeThisOneIfNeeded != null) { AppWindowToken wtoken = findAppWindowToken( freezeThisOneIfNeeded); if (wtoken != null) { startAppFreezingScreenLocked(wtoken, ActivityInfo.CONFIG_ORIENTATION); } } config = computeNewConfigurationLocked(); } else if (currentConfig != null) { // No obvious action we need to take, but if our current // state mismatches the activity manager's, update it, // disregarding font scale, which should remain set to // the value of the previous configuration. mTempConfiguration.setToDefaults(); mTempConfiguration.fontScale = currentConfig.fontScale; if (computeNewConfigurationLocked(mTempConfiguration)) { if (currentConfig.diff(mTempConfiguration) != 0) { mWaitingForConfig = true; mLayoutNeeded = true; startFreezingDisplayLocked(false); config = new Configuration(mTempConfiguration); } } } return config; } /* * Determine the new desired orientation of the display, returning * a non-null new Configuration if it has changed from the current * orientation. IF TRUE IS RETURNED SOMEONE MUST CALL * setNewConfiguration() TO TELL THE WINDOW MANAGER IT CAN UNFREEZE THE * SCREEN. This will typically be done for you if you call * sendNewConfiguration(). * * The orientation is computed from non-application windows first. If none of * the non-application windows specify orientation, the orientation is computed from * application tokens. * @see android.view.IWindowManager#updateOrientationFromAppTokens( * android.os.IBinder) */ boolean updateOrientationFromAppTokensLocked(boolean inTransaction) { boolean changed = false; long ident = Binder.clearCallingIdentity(); try { int req = computeForcedAppOrientationLocked(); if (req != mForcedAppOrientation) { mForcedAppOrientation = req; //send a message to Policy indicating orientation change to take //action like disabling/enabling sensors etc., mPolicy.setCurrentOrientationLw(req); if (updateRotationUncheckedLocked(inTransaction)) { changed = true; } } return changed; } finally { Binder.restoreCallingIdentity(ident); } } int computeForcedAppOrientationLocked() { int req = getOrientationFromWindowsLocked(); if (req == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED) { req = getOrientationFromAppTokensLocked(); } return req; } public void setNewConfiguration(Configuration config) { if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS, "setNewConfiguration()")) { throw new SecurityException("Requires MANAGE_APP_TOKENS permission"); } synchronized(mWindowMap) { mCurConfiguration = new Configuration(config); mWaitingForConfig = false; performLayoutAndPlaceSurfacesLocked(); } } public void setAppOrientation(IApplicationToken token, int requestedOrientation) { if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS, "setAppOrientation()")) { throw new SecurityException("Requires MANAGE_APP_TOKENS permission"); } synchronized(mWindowMap) { AppWindowToken wtoken = findAppWindowToken(token.asBinder()); if (wtoken == null) { Slog.w(TAG, "Attempted to set orientation of non-existing app token: " + token); return; } wtoken.requestedOrientation = requestedOrientation; } } public int getAppOrientation(IApplicationToken token) { synchronized(mWindowMap) { AppWindowToken wtoken = findAppWindowToken(token.asBinder()); if (wtoken == null) { return ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED; } return wtoken.requestedOrientation; } } public void setFocusedApp(IBinder token, boolean moveFocusNow) { if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS, "setFocusedApp()")) { throw new SecurityException("Requires MANAGE_APP_TOKENS permission"); } synchronized(mWindowMap) { boolean changed = false; if (token == null) { if (DEBUG_FOCUS) Slog.v(TAG, "Clearing focused app, was " + mFocusedApp); changed = mFocusedApp != null; mFocusedApp = null; if (changed) { mInputMonitor.setFocusedAppLw(null); } } else { AppWindowToken newFocus = findAppWindowToken(token); if (newFocus == null) { Slog.w(TAG, "Attempted to set focus to non-existing app token: " + token); return; } changed = mFocusedApp != newFocus; mFocusedApp = newFocus; if (DEBUG_FOCUS) Slog.v(TAG, "Set focused app to: " + mFocusedApp); if (changed) { mInputMonitor.setFocusedAppLw(newFocus); } } if (moveFocusNow && changed) { final long origId = Binder.clearCallingIdentity(); updateFocusedWindowLocked(UPDATE_FOCUS_NORMAL, true /*updateInputWindows*/); Binder.restoreCallingIdentity(origId); } } } public void prepareAppTransition(int transit, boolean alwaysKeepCurrent) { if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS, "prepareAppTransition()")) { throw new SecurityException("Requires MANAGE_APP_TOKENS permission"); } synchronized(mWindowMap) { if (DEBUG_APP_TRANSITIONS) Slog.v( TAG, "Prepare app transition: transit=" + transit + " mNextAppTransition=" + mNextAppTransition); if (!mDisplayFrozen && mDisplayEnabled && mPolicy.isScreenOnFully()) { if (mNextAppTransition == WindowManagerPolicy.TRANSIT_UNSET || mNextAppTransition == WindowManagerPolicy.TRANSIT_NONE) { mNextAppTransition = transit; } else if (!alwaysKeepCurrent) { if (transit == WindowManagerPolicy.TRANSIT_TASK_OPEN && mNextAppTransition == WindowManagerPolicy.TRANSIT_TASK_CLOSE) { // Opening a new task always supersedes a close for the anim. mNextAppTransition = transit; } else if (transit == WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN && mNextAppTransition == WindowManagerPolicy.TRANSIT_ACTIVITY_CLOSE) { // Opening a new activity always supersedes a close for the anim. mNextAppTransition = transit; } } mAppTransitionReady = false; mAppTransitionTimeout = false; mStartingIconInTransition = false; mSkipAppTransitionAnimation = false; mH.removeMessages(H.APP_TRANSITION_TIMEOUT); mH.sendMessageDelayed(mH.obtainMessage(H.APP_TRANSITION_TIMEOUT), 5000); } } } public int getPendingAppTransition() { return mNextAppTransition; } public void overridePendingAppTransition(String packageName, int enterAnim, int exitAnim) { if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) { mNextAppTransitionPackage = packageName; mNextAppTransitionEnter = enterAnim; mNextAppTransitionExit = exitAnim; } } public void executeAppTransition() { if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS, "executeAppTransition()")) { throw new SecurityException("Requires MANAGE_APP_TOKENS permission"); } synchronized(mWindowMap) { if (DEBUG_APP_TRANSITIONS) { RuntimeException e = new RuntimeException("here"); e.fillInStackTrace(); Slog.w(TAG, "Execute app transition: mNextAppTransition=" + mNextAppTransition, e); } if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) { mAppTransitionReady = true; final long origId = Binder.clearCallingIdentity(); performLayoutAndPlaceSurfacesLocked(); Binder.restoreCallingIdentity(origId); } } } public void setAppStartingWindow(IBinder token, String pkg, int theme, CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes, int icon, int windowFlags, IBinder transferFrom, boolean createIfNeeded) { if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS, "setAppStartingIcon()")) { throw new SecurityException("Requires MANAGE_APP_TOKENS permission"); } synchronized(mWindowMap) { if (DEBUG_STARTING_WINDOW) Slog.v( TAG, "setAppStartingIcon: token=" + token + " pkg=" + pkg + " transferFrom=" + transferFrom); AppWindowToken wtoken = findAppWindowToken(token); if (wtoken == null) { Slog.w(TAG, "Attempted to set icon of non-existing app token: " + token); return; } // If the display is frozen, we won't do anything until the // actual window is displayed so there is no reason to put in // the starting window. if (mDisplayFrozen || !mDisplayEnabled || !mPolicy.isScreenOnFully()) { return; } if (wtoken.startingData != null) { return; } if (transferFrom != null) { AppWindowToken ttoken = findAppWindowToken(transferFrom); if (ttoken != null) { WindowState startingWindow = ttoken.startingWindow; if (startingWindow != null) { if (mStartingIconInTransition) { // In this case, the starting icon has already // been displayed, so start letting windows get // shown immediately without any more transitions. mSkipAppTransitionAnimation = true; } if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Moving existing starting from " + ttoken + " to " + wtoken); final long origId = Binder.clearCallingIdentity(); // Transfer the starting window over to the new // token. wtoken.startingData = ttoken.startingData; wtoken.startingView = ttoken.startingView; wtoken.startingWindow = startingWindow; ttoken.startingData = null; ttoken.startingView = null; ttoken.startingWindow = null; ttoken.startingMoved = true; startingWindow.mToken = wtoken; startingWindow.mRootToken = wtoken; startingWindow.mAppToken = wtoken; if (DEBUG_WINDOW_MOVEMENT || DEBUG_ADD_REMOVE) Slog.v(TAG, "Removing starting window: " + startingWindow); mWindows.remove(startingWindow); mWindowsChanged = true; if (DEBUG_ADD_REMOVE) Slog.v(TAG, "Removing starting " + startingWindow + " from " + ttoken); ttoken.windows.remove(startingWindow); ttoken.allAppWindows.remove(startingWindow); addWindowToListInOrderLocked(startingWindow, true); // Propagate other interesting state between the // tokens. If the old token is displayed, we should // immediately force the new one to be displayed. If // it is animating, we need to move that animation to // the new one. if (ttoken.allDrawn) { wtoken.allDrawn = true; } if (ttoken.firstWindowDrawn) { wtoken.firstWindowDrawn = true; } if (!ttoken.hidden) { wtoken.hidden = false; wtoken.hiddenRequested = false; wtoken.willBeHidden = false; } if (wtoken.clientHidden != ttoken.clientHidden) { wtoken.clientHidden = ttoken.clientHidden; wtoken.sendAppVisibilityToClients(); } if (ttoken.animation != null) { wtoken.animation = ttoken.animation; wtoken.animating = ttoken.animating; wtoken.animLayerAdjustment = ttoken.animLayerAdjustment; ttoken.animation = null; ttoken.animLayerAdjustment = 0; wtoken.updateLayers(); ttoken.updateLayers(); } updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES, true /*updateInputWindows*/); mLayoutNeeded = true; performLayoutAndPlaceSurfacesLocked(); Binder.restoreCallingIdentity(origId); return; } else if (ttoken.startingData != null) { // The previous app was getting ready to show a // starting window, but hasn't yet done so. Steal it! if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Moving pending starting from " + ttoken + " to " + wtoken); wtoken.startingData = ttoken.startingData; ttoken.startingData = null; ttoken.startingMoved = true; Message m = mH.obtainMessage(H.ADD_STARTING, wtoken); // Note: we really want to do sendMessageAtFrontOfQueue() because we // want to process the message ASAP, before any other queued // messages. mH.sendMessageAtFrontOfQueue(m); return; } } } // There is no existing starting window, and the caller doesn't // want us to create one, so that's it! if (!createIfNeeded) { return; } // If this is a translucent window, then don't // show a starting window -- the current effect (a full-screen // opaque starting window that fades away to the real contents // when it is ready) does not work for this. if (theme != 0) { AttributeCache.Entry ent = AttributeCache.instance().get(pkg, theme, com.android.internal.R.styleable.Window); if (ent.array.getBoolean( com.android.internal.R.styleable.Window_windowIsTranslucent, false)) { return; } if (ent.array.getBoolean( com.android.internal.R.styleable.Window_windowIsFloating, false)) { return; } if (ent.array.getBoolean( com.android.internal.R.styleable.Window_windowShowWallpaper, false)) { if (mWallpaperTarget == null) { // If this theme is requesting a wallpaper, and the wallpaper // is not curently visible, then this effectively serves as // an opaque window and our starting window transition animation // can still work. We just need to make sure the starting window // is also showing the wallpaper. windowFlags |= WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER; } else { return; } } } mStartingIconInTransition = true; wtoken.startingData = new StartingData(pkg, theme, compatInfo, nonLocalizedLabel, labelRes, icon, windowFlags); Message m = mH.obtainMessage(H.ADD_STARTING, wtoken); // Note: we really want to do sendMessageAtFrontOfQueue() because we // want to process the message ASAP, before any other queued // messages. mH.sendMessageAtFrontOfQueue(m); } } public void setAppWillBeHidden(IBinder token) { if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS, "setAppWillBeHidden()")) { throw new SecurityException("Requires MANAGE_APP_TOKENS permission"); } AppWindowToken wtoken; synchronized(mWindowMap) { wtoken = findAppWindowToken(token); if (wtoken == null) { Slog.w(TAG, "Attempted to set will be hidden of non-existing app token: " + token); return; } wtoken.willBeHidden = true; } } boolean setTokenVisibilityLocked(AppWindowToken wtoken, WindowManager.LayoutParams lp, boolean visible, int transit, boolean performLayout) { boolean delayed = false; if (wtoken.clientHidden == visible) { wtoken.clientHidden = !visible; wtoken.sendAppVisibilityToClients(); } wtoken.willBeHidden = false; if (wtoken.hidden == visible) { final int N = wtoken.allAppWindows.size(); boolean changed = false; if (DEBUG_APP_TRANSITIONS) Slog.v( TAG, "Changing app " + wtoken + " hidden=" + wtoken.hidden + " performLayout=" + performLayout); boolean runningAppAnimation = false; if (transit != WindowManagerPolicy.TRANSIT_UNSET) { if (wtoken.animation == sDummyAnimation) { wtoken.animation = null; } applyAnimationLocked(wtoken, lp, transit, visible); changed = true; if (wtoken.animation != null) { delayed = runningAppAnimation = true; } } for (int i=0; i<N; i++) { WindowState win = wtoken.allAppWindows.get(i); if (win == wtoken.startingWindow) { continue; } if (win.isAnimating()) { delayed = true; } //Slog.i(TAG, "Window " + win + ": vis=" + win.isVisible()); //win.dump(" "); if (visible) { if (!win.isVisibleNow()) { if (!runningAppAnimation) { applyAnimationLocked(win, WindowManagerPolicy.TRANSIT_ENTER, true); } changed = true; } } else if (win.isVisibleNow()) { if (!runningAppAnimation) { applyAnimationLocked(win, WindowManagerPolicy.TRANSIT_EXIT, false); } changed = true; } } wtoken.hidden = wtoken.hiddenRequested = !visible; if (!visible) { unsetAppFreezingScreenLocked(wtoken, true, true); } else { // If we are being set visible, and the starting window is // not yet displayed, then make sure it doesn't get displayed. WindowState swin = wtoken.startingWindow; if (swin != null && (swin.mDrawPending || swin.mCommitDrawPending)) { swin.mPolicyVisibility = false; swin.mPolicyVisibilityAfterAnim = false; } } if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "setTokenVisibilityLocked: " + wtoken + ": hidden=" + wtoken.hidden + " hiddenRequested=" + wtoken.hiddenRequested); if (changed) { mLayoutNeeded = true; mInputMonitor.setUpdateInputWindowsNeededLw(); if (performLayout) { updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES, false /*updateInputWindows*/); performLayoutAndPlaceSurfacesLocked(); } mInputMonitor.updateInputWindowsLw(false /*force*/); } } if (wtoken.animation != null) { delayed = true; } return delayed; } public void setAppVisibility(IBinder token, boolean visible) { if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS, "setAppVisibility()")) { throw new SecurityException("Requires MANAGE_APP_TOKENS permission"); } AppWindowToken wtoken; synchronized(mWindowMap) { wtoken = findAppWindowToken(token); if (wtoken == null) { Slog.w(TAG, "Attempted to set visibility of non-existing app token: " + token); return; } if (DEBUG_APP_TRANSITIONS || DEBUG_ORIENTATION) { RuntimeException e = null; if (!HIDE_STACK_CRAWLS) { e = new RuntimeException(); e.fillInStackTrace(); } Slog.v(TAG, "setAppVisibility(" + token + ", " + visible + "): mNextAppTransition=" + mNextAppTransition + " hidden=" + wtoken.hidden + " hiddenRequested=" + wtoken.hiddenRequested, e); } // If we are preparing an app transition, then delay changing // the visibility of this token until we execute that transition. if (!mDisplayFrozen && mDisplayEnabled && mPolicy.isScreenOnFully() && mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) { // Already in requested state, don't do anything more. if (wtoken.hiddenRequested != visible) { return; } wtoken.hiddenRequested = !visible; if (DEBUG_APP_TRANSITIONS) Slog.v( TAG, "Setting dummy animation on: " + wtoken); wtoken.setDummyAnimation(); mOpeningApps.remove(wtoken); mClosingApps.remove(wtoken); wtoken.waitingToShow = wtoken.waitingToHide = false; wtoken.inPendingTransaction = true; if (visible) { mOpeningApps.add(wtoken); wtoken.startingDisplayed = false; wtoken.startingMoved = false; // If the token is currently hidden (should be the // common case), then we need to set up to wait for // its windows to be ready. if (wtoken.hidden) { wtoken.allDrawn = false; wtoken.waitingToShow = true; if (wtoken.clientHidden) { // In the case where we are making an app visible // but holding off for a transition, we still need // to tell the client to make its windows visible so // they get drawn. Otherwise, we will wait on // performing the transition until all windows have // been drawn, they never will be, and we are sad. wtoken.clientHidden = false; wtoken.sendAppVisibilityToClients(); } } } else { mClosingApps.add(wtoken); // If the token is currently visible (should be the // common case), then set up to wait for it to be hidden. if (!wtoken.hidden) { wtoken.waitingToHide = true; } } return; } final long origId = Binder.clearCallingIdentity(); setTokenVisibilityLocked(wtoken, null, visible, WindowManagerPolicy.TRANSIT_UNSET, true); wtoken.updateReportedVisibilityLocked(); Binder.restoreCallingIdentity(origId); } } void unsetAppFreezingScreenLocked(AppWindowToken wtoken, boolean unfreezeSurfaceNow, boolean force) { if (wtoken.freezingScreen) { if (DEBUG_ORIENTATION) Slog.v(TAG, "Clear freezing of " + wtoken + " force=" + force); final int N = wtoken.allAppWindows.size(); boolean unfrozeWindows = false; for (int i=0; i<N; i++) { WindowState w = wtoken.allAppWindows.get(i); if (w.mAppFreezing) { w.mAppFreezing = false; if (w.mSurface != null && !w.mOrientationChanging) { if (DEBUG_ORIENTATION) Slog.v(TAG, "set mOrientationChanging of " + w); w.mOrientationChanging = true; } unfrozeWindows = true; } } if (force || unfrozeWindows) { if (DEBUG_ORIENTATION) Slog.v(TAG, "No longer freezing: " + wtoken); wtoken.freezingScreen = false; mAppsFreezingScreen--; } if (unfreezeSurfaceNow) { if (unfrozeWindows) { mLayoutNeeded = true; performLayoutAndPlaceSurfacesLocked(); } stopFreezingDisplayLocked(); } } } public void startAppFreezingScreenLocked(AppWindowToken wtoken, int configChanges) { if (DEBUG_ORIENTATION) { RuntimeException e = null; if (!HIDE_STACK_CRAWLS) { e = new RuntimeException(); e.fillInStackTrace(); } Slog.i(TAG, "Set freezing of " + wtoken.appToken + ": hidden=" + wtoken.hidden + " freezing=" + wtoken.freezingScreen, e); } if (!wtoken.hiddenRequested) { if (!wtoken.freezingScreen) { wtoken.freezingScreen = true; mAppsFreezingScreen++; if (mAppsFreezingScreen == 1) { startFreezingDisplayLocked(false); mH.removeMessages(H.APP_FREEZE_TIMEOUT); mH.sendMessageDelayed(mH.obtainMessage(H.APP_FREEZE_TIMEOUT), 5000); } } final int N = wtoken.allAppWindows.size(); for (int i=0; i<N; i++) { WindowState w = wtoken.allAppWindows.get(i); w.mAppFreezing = true; } } } public void startAppFreezingScreen(IBinder token, int configChanges) { if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS, "setAppFreezingScreen()")) { throw new SecurityException("Requires MANAGE_APP_TOKENS permission"); } synchronized(mWindowMap) { if (configChanges == 0 && !mDisplayFrozen && mPolicy.isScreenOnFully()) { if (DEBUG_ORIENTATION) Slog.v(TAG, "Skipping set freeze of " + token); return; } AppWindowToken wtoken = findAppWindowToken(token); if (wtoken == null || wtoken.appToken == null) { Slog.w(TAG, "Attempted to freeze screen with non-existing app token: " + wtoken); return; } final long origId = Binder.clearCallingIdentity(); startAppFreezingScreenLocked(wtoken, configChanges); Binder.restoreCallingIdentity(origId); } } public void stopAppFreezingScreen(IBinder token, boolean force) { if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS, "setAppFreezingScreen()")) { throw new SecurityException("Requires MANAGE_APP_TOKENS permission"); } synchronized(mWindowMap) { AppWindowToken wtoken = findAppWindowToken(token); if (wtoken == null || wtoken.appToken == null) { return; } final long origId = Binder.clearCallingIdentity(); if (DEBUG_ORIENTATION) Slog.v(TAG, "Clear freezing of " + token + ": hidden=" + wtoken.hidden + " freezing=" + wtoken.freezingScreen); unsetAppFreezingScreenLocked(wtoken, true, force); Binder.restoreCallingIdentity(origId); } } public void removeAppToken(IBinder token) { if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS, "removeAppToken()")) { throw new SecurityException("Requires MANAGE_APP_TOKENS permission"); } AppWindowToken wtoken = null; AppWindowToken startingToken = null; boolean delayed = false; final long origId = Binder.clearCallingIdentity(); synchronized(mWindowMap) { WindowToken basewtoken = mTokenMap.remove(token); if (basewtoken != null && (wtoken=basewtoken.appWindowToken) != null) { if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "Removing app token: " + wtoken); delayed = setTokenVisibilityLocked(wtoken, null, false, WindowManagerPolicy.TRANSIT_UNSET, true); wtoken.inPendingTransaction = false; mOpeningApps.remove(wtoken); wtoken.waitingToShow = false; if (mClosingApps.contains(wtoken)) { delayed = true; } else if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) { mClosingApps.add(wtoken); wtoken.waitingToHide = true; delayed = true; } if (DEBUG_APP_TRANSITIONS) Slog.v( TAG, "Removing app " + wtoken + " delayed=" + delayed + " animation=" + wtoken.animation + " animating=" + wtoken.animating); if (delayed) { // set the token aside because it has an active animation to be finished if (DEBUG_ADD_REMOVE || DEBUG_TOKEN_MOVEMENT) Slog.v(TAG, "removeAppToken make exiting: " + wtoken); mExitingAppTokens.add(wtoken); } else { // Make sure there is no animation running on this token, // so any windows associated with it will be removed as // soon as their animations are complete wtoken.animation = null; wtoken.animating = false; } if (DEBUG_ADD_REMOVE || DEBUG_TOKEN_MOVEMENT) Slog.v(TAG, "removeAppToken: " + wtoken); mAppTokens.remove(wtoken); wtoken.removed = true; if (wtoken.startingData != null) { startingToken = wtoken; } unsetAppFreezingScreenLocked(wtoken, true, true); if (mFocusedApp == wtoken) { if (DEBUG_FOCUS) Slog.v(TAG, "Removing focused app token:" + wtoken); mFocusedApp = null; updateFocusedWindowLocked(UPDATE_FOCUS_NORMAL, true /*updateInputWindows*/); mInputMonitor.setFocusedAppLw(null); } } else { Slog.w(TAG, "Attempted to remove non-existing app token: " + token); } if (!delayed && wtoken != null) { wtoken.updateReportedVisibilityLocked(); } } Binder.restoreCallingIdentity(origId); if (startingToken != null) { if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Schedule remove starting " + startingToken + ": app token removed"); Message m = mH.obtainMessage(H.REMOVE_STARTING, startingToken); mH.sendMessage(m); } } private boolean tmpRemoveAppWindowsLocked(WindowToken token) { final int NW = token.windows.size(); for (int i=0; i<NW; i++) { WindowState win = token.windows.get(i); if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Tmp removing app window " + win); mWindows.remove(win); mWindowsChanged = true; int j = win.mChildWindows.size(); while (j > 0) { j--; WindowState cwin = win.mChildWindows.get(j); if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Tmp removing child window " + cwin); mWindows.remove(cwin); } } return NW > 0; } void dumpAppTokensLocked() { for (int i=mAppTokens.size()-1; i>=0; i--) { Slog.v(TAG, " #" + i + ": " + mAppTokens.get(i).token); } } void dumpWindowsLocked() { for (int i=mWindows.size()-1; i>=0; i--) { Slog.v(TAG, " #" + i + ": " + mWindows.get(i)); } } private int findWindowOffsetLocked(int tokenPos) { final int NW = mWindows.size(); if (tokenPos >= mAppTokens.size()) { int i = NW; while (i > 0) { i--; WindowState win = mWindows.get(i); if (win.getAppToken() != null) { return i+1; } } } while (tokenPos > 0) { // Find the first app token below the new position that has // a window displayed. final AppWindowToken wtoken = mAppTokens.get(tokenPos-1); if (DEBUG_REORDER) Slog.v(TAG, "Looking for lower windows @ " + tokenPos + " -- " + wtoken.token); if (wtoken.sendingToBottom) { if (DEBUG_REORDER) Slog.v(TAG, "Skipping token -- currently sending to bottom"); tokenPos--; continue; } int i = wtoken.windows.size(); while (i > 0) { i--; WindowState win = wtoken.windows.get(i); int j = win.mChildWindows.size(); while (j > 0) { j--; WindowState cwin = win.mChildWindows.get(j); if (cwin.mSubLayer >= 0) { for (int pos=NW-1; pos>=0; pos--) { if (mWindows.get(pos) == cwin) { if (DEBUG_REORDER) Slog.v(TAG, "Found child win @" + (pos+1)); return pos+1; } } } } for (int pos=NW-1; pos>=0; pos--) { if (mWindows.get(pos) == win) { if (DEBUG_REORDER) Slog.v(TAG, "Found win @" + (pos+1)); return pos+1; } } } tokenPos--; } return 0; } private final int reAddWindowLocked(int index, WindowState win) { final int NCW = win.mChildWindows.size(); boolean added = false; for (int j=0; j<NCW; j++) { WindowState cwin = win.mChildWindows.get(j); if (!added && cwin.mSubLayer >= 0) { if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Re-adding child window at " + index + ": " + cwin); win.mRebuilding = false; mWindows.add(index, win); index++; added = true; } if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Re-adding window at " + index + ": " + cwin); cwin.mRebuilding = false; mWindows.add(index, cwin); index++; } if (!added) { if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Re-adding window at " + index + ": " + win); win.mRebuilding = false; mWindows.add(index, win); index++; } mWindowsChanged = true; return index; } private final int reAddAppWindowsLocked(int index, WindowToken token) { final int NW = token.windows.size(); for (int i=0; i<NW; i++) { index = reAddWindowLocked(index, token.windows.get(i)); } return index; } public void moveAppToken(int index, IBinder token) { if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS, "moveAppToken()")) { throw new SecurityException("Requires MANAGE_APP_TOKENS permission"); } synchronized(mWindowMap) { if (DEBUG_REORDER) Slog.v(TAG, "Initial app tokens:"); if (DEBUG_REORDER) dumpAppTokensLocked(); final AppWindowToken wtoken = findAppWindowToken(token); if (DEBUG_TOKEN_MOVEMENT || DEBUG_REORDER) Slog.v(TAG, "Start moving token " + wtoken + " initially at " + mAppTokens.indexOf(wtoken)); if (wtoken == null || !mAppTokens.remove(wtoken)) { Slog.w(TAG, "Attempting to reorder token that doesn't exist: " + token + " (" + wtoken + ")"); return; } mAppTokens.add(index, wtoken); if (DEBUG_REORDER) Slog.v(TAG, "Moved " + token + " to " + index + ":"); else if (DEBUG_TOKEN_MOVEMENT) Slog.v(TAG, "Moved " + token + " to " + index); if (DEBUG_REORDER) dumpAppTokensLocked(); final long origId = Binder.clearCallingIdentity(); if (DEBUG_REORDER) Slog.v(TAG, "Removing windows in " + token + ":"); if (DEBUG_REORDER) dumpWindowsLocked(); if (tmpRemoveAppWindowsLocked(wtoken)) { if (DEBUG_REORDER) Slog.v(TAG, "Adding windows back in:"); if (DEBUG_REORDER) dumpWindowsLocked(); reAddAppWindowsLocked(findWindowOffsetLocked(index), wtoken); if (DEBUG_REORDER) Slog.v(TAG, "Final window list:"); if (DEBUG_REORDER) dumpWindowsLocked(); updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES, false /*updateInputWindows*/); mLayoutNeeded = true; mInputMonitor.setUpdateInputWindowsNeededLw(); performLayoutAndPlaceSurfacesLocked(); mInputMonitor.updateInputWindowsLw(false /*force*/); } Binder.restoreCallingIdentity(origId); } } private void removeAppTokensLocked(List<IBinder> tokens) { // XXX This should be done more efficiently! // (take advantage of the fact that both lists should be // ordered in the same way.) int N = tokens.size(); for (int i=0; i<N; i++) { IBinder token = tokens.get(i); final AppWindowToken wtoken = findAppWindowToken(token); if (DEBUG_REORDER || DEBUG_TOKEN_MOVEMENT) Slog.v(TAG, "Temporarily removing " + wtoken + " from " + mAppTokens.indexOf(wtoken)); if (!mAppTokens.remove(wtoken)) { Slog.w(TAG, "Attempting to reorder token that doesn't exist: " + token + " (" + wtoken + ")"); i--; N--; } } } private void moveAppWindowsLocked(AppWindowToken wtoken, int tokenPos, boolean updateFocusAndLayout) { // First remove all of the windows from the list. tmpRemoveAppWindowsLocked(wtoken); // Where to start adding? int pos = findWindowOffsetLocked(tokenPos); // And now add them back at the correct place. pos = reAddAppWindowsLocked(pos, wtoken); if (updateFocusAndLayout) { mInputMonitor.setUpdateInputWindowsNeededLw(); if (!updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES, false /*updateInputWindows*/)) { assignLayersLocked(); } mLayoutNeeded = true; performLayoutAndPlaceSurfacesLocked(); mInputMonitor.updateInputWindowsLw(false /*force*/); } } private void moveAppWindowsLocked(List<IBinder> tokens, int tokenPos) { // First remove all of the windows from the list. final int N = tokens.size(); int i; for (i=0; i<N; i++) { WindowToken token = mTokenMap.get(tokens.get(i)); if (token != null) { tmpRemoveAppWindowsLocked(token); } } // Where to start adding? int pos = findWindowOffsetLocked(tokenPos); // And now add them back at the correct place. for (i=0; i<N; i++) { WindowToken token = mTokenMap.get(tokens.get(i)); if (token != null) { pos = reAddAppWindowsLocked(pos, token); } } mInputMonitor.setUpdateInputWindowsNeededLw(); if (!updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES, false /*updateInputWindows*/)) { assignLayersLocked(); } mLayoutNeeded = true; performLayoutAndPlaceSurfacesLocked(); mInputMonitor.updateInputWindowsLw(false /*force*/); //dump(); } public void moveAppTokensToTop(List<IBinder> tokens) { if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS, "moveAppTokensToTop()")) { throw new SecurityException("Requires MANAGE_APP_TOKENS permission"); } final long origId = Binder.clearCallingIdentity(); synchronized(mWindowMap) { removeAppTokensLocked(tokens); final int N = tokens.size(); for (int i=0; i<N; i++) { AppWindowToken wt = findAppWindowToken(tokens.get(i)); if (wt != null) { if (DEBUG_TOKEN_MOVEMENT || DEBUG_REORDER) Slog.v(TAG, "Adding next to top: " + wt); mAppTokens.add(wt); if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) { mToTopApps.remove(wt); mToBottomApps.remove(wt); mToTopApps.add(wt); wt.sendingToBottom = false; wt.sendingToTop = true; } } } if (mNextAppTransition == WindowManagerPolicy.TRANSIT_UNSET) { moveAppWindowsLocked(tokens, mAppTokens.size()); } } Binder.restoreCallingIdentity(origId); } public void moveAppTokensToBottom(List<IBinder> tokens) { if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS, "moveAppTokensToBottom()")) { throw new SecurityException("Requires MANAGE_APP_TOKENS permission"); } final long origId = Binder.clearCallingIdentity(); synchronized(mWindowMap) { removeAppTokensLocked(tokens); final int N = tokens.size(); int pos = 0; for (int i=0; i<N; i++) { AppWindowToken wt = findAppWindowToken(tokens.get(i)); if (wt != null) { if (DEBUG_TOKEN_MOVEMENT) Slog.v(TAG, "Adding next to bottom: " + wt + " at " + pos); mAppTokens.add(pos, wt); if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) { mToTopApps.remove(wt); mToBottomApps.remove(wt); mToBottomApps.add(i, wt); wt.sendingToTop = false; wt.sendingToBottom = true; } pos++; } } if (mNextAppTransition == WindowManagerPolicy.TRANSIT_UNSET) { moveAppWindowsLocked(tokens, 0); } } Binder.restoreCallingIdentity(origId); } // ------------------------------------------------------------- // Misc IWindowSession methods // ------------------------------------------------------------- private boolean shouldAllowDisableKeyguard() { // We fail safe and prevent disabling keyguard in the unlikely event this gets // called before DevicePolicyManagerService has started. if (mAllowDisableKeyguard == ALLOW_DISABLE_UNKNOWN) { DevicePolicyManager dpm = (DevicePolicyManager) mContext.getSystemService( Context.DEVICE_POLICY_SERVICE); if (dpm != null) { mAllowDisableKeyguard = dpm.getPasswordQuality(null) == DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED ? ALLOW_DISABLE_YES : ALLOW_DISABLE_NO; } } return mAllowDisableKeyguard == ALLOW_DISABLE_YES; } public void disableKeyguard(IBinder token, String tag) { if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DISABLE_KEYGUARD) != PackageManager.PERMISSION_GRANTED) { throw new SecurityException("Requires DISABLE_KEYGUARD permission"); } synchronized (mKeyguardTokenWatcher) { mKeyguardTokenWatcher.acquire(token, tag); } } public void reenableKeyguard(IBinder token) { if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DISABLE_KEYGUARD) != PackageManager.PERMISSION_GRANTED) { throw new SecurityException("Requires DISABLE_KEYGUARD permission"); } synchronized (mKeyguardTokenWatcher) { mKeyguardTokenWatcher.release(token); if (!mKeyguardTokenWatcher.isAcquired()) { // If we are the last one to reenable the keyguard wait until // we have actually finished reenabling until returning. // It is possible that reenableKeyguard() can be called before // the previous disableKeyguard() is handled, in which case // neither mKeyguardTokenWatcher.acquired() or released() would // be called. In that case mKeyguardDisabled will be false here // and we have nothing to wait for. while (mKeyguardDisabled) { try { mKeyguardTokenWatcher.wait(); } catch (InterruptedException e) { Thread.currentThread().interrupt(); } } } } } /** * @see android.app.KeyguardManager#exitKeyguardSecurely */ public void exitKeyguardSecurely(final IOnKeyguardExitResult callback) { if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DISABLE_KEYGUARD) != PackageManager.PERMISSION_GRANTED) { throw new SecurityException("Requires DISABLE_KEYGUARD permission"); } mPolicy.exitKeyguardSecurely(new WindowManagerPolicy.OnKeyguardExitResult() { public void onKeyguardExitResult(boolean success) { try { callback.onKeyguardExitResult(success); } catch (RemoteException e) { // Client has died, we don't care. } } }); } public boolean inKeyguardRestrictedInputMode() { return mPolicy.inKeyguardRestrictedKeyInputMode(); } public boolean isKeyguardLocked() { return mPolicy.isKeyguardLocked(); } public boolean isKeyguardSecure() { return mPolicy.isKeyguardSecure(); } public void dismissKeyguard() { if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DISABLE_KEYGUARD) != PackageManager.PERMISSION_GRANTED) { throw new SecurityException("Requires DISABLE_KEYGUARD permission"); } synchronized(mWindowMap) { mPolicy.dismissKeyguardLw(); } } public void closeSystemDialogs(String reason) { synchronized(mWindowMap) { for (int i=mWindows.size()-1; i>=0; i--) { WindowState w = mWindows.get(i); if (w.mSurface != null) { try { w.mClient.closeSystemDialogs(reason); } catch (RemoteException e) { } } } } } static float fixScale(float scale) { if (scale < 0) scale = 0; else if (scale > 20) scale = 20; return Math.abs(scale); } public void setAnimationScale(int which, float scale) { if (!checkCallingPermission(android.Manifest.permission.SET_ANIMATION_SCALE, "setAnimationScale()")) { throw new SecurityException("Requires SET_ANIMATION_SCALE permission"); } if (scale < 0) scale = 0; else if (scale > 20) scale = 20; scale = Math.abs(scale); switch (which) { case 0: mWindowAnimationScale = fixScale(scale); break; case 1: mTransitionAnimationScale = fixScale(scale); break; } // Persist setting mH.obtainMessage(H.PERSIST_ANIMATION_SCALE).sendToTarget(); } public void setAnimationScales(float[] scales) { if (!checkCallingPermission(android.Manifest.permission.SET_ANIMATION_SCALE, "setAnimationScale()")) { throw new SecurityException("Requires SET_ANIMATION_SCALE permission"); } if (scales != null) { if (scales.length >= 1) { mWindowAnimationScale = fixScale(scales[0]); } if (scales.length >= 2) { mTransitionAnimationScale = fixScale(scales[1]); } } // Persist setting mH.obtainMessage(H.PERSIST_ANIMATION_SCALE).sendToTarget(); } public float getAnimationScale(int which) { switch (which) { case 0: return mWindowAnimationScale; case 1: return mTransitionAnimationScale; } return 0; } public float[] getAnimationScales() { return new float[] { mWindowAnimationScale, mTransitionAnimationScale }; } public int getSwitchState(int sw) { if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE, "getSwitchState()")) { throw new SecurityException("Requires READ_INPUT_STATE permission"); } return mInputManager.getSwitchState(-1, InputDevice.SOURCE_ANY, sw); } public int getSwitchStateForDevice(int devid, int sw) { if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE, "getSwitchStateForDevice()")) { throw new SecurityException("Requires READ_INPUT_STATE permission"); } return mInputManager.getSwitchState(devid, InputDevice.SOURCE_ANY, sw); } public int getScancodeState(int sw) { if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE, "getScancodeState()")) { throw new SecurityException("Requires READ_INPUT_STATE permission"); } return mInputManager.getScanCodeState(-1, InputDevice.SOURCE_ANY, sw); } public int getScancodeStateForDevice(int devid, int sw) { if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE, "getScancodeStateForDevice()")) { throw new SecurityException("Requires READ_INPUT_STATE permission"); } return mInputManager.getScanCodeState(devid, InputDevice.SOURCE_ANY, sw); } public int getTrackballScancodeState(int sw) { if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE, "getTrackballScancodeState()")) { throw new SecurityException("Requires READ_INPUT_STATE permission"); } return mInputManager.getScanCodeState(-1, InputDevice.SOURCE_TRACKBALL, sw); } public int getDPadScancodeState(int sw) { if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE, "getDPadScancodeState()")) { throw new SecurityException("Requires READ_INPUT_STATE permission"); } return mInputManager.getScanCodeState(-1, InputDevice.SOURCE_DPAD, sw); } public int getKeycodeState(int sw) { if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE, "getKeycodeState()")) { throw new SecurityException("Requires READ_INPUT_STATE permission"); } return mInputManager.getKeyCodeState(-1, InputDevice.SOURCE_ANY, sw); } public int getKeycodeStateForDevice(int devid, int sw) { if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE, "getKeycodeStateForDevice()")) { throw new SecurityException("Requires READ_INPUT_STATE permission"); } return mInputManager.getKeyCodeState(devid, InputDevice.SOURCE_ANY, sw); } public int getTrackballKeycodeState(int sw) { if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE, "getTrackballKeycodeState()")) { throw new SecurityException("Requires READ_INPUT_STATE permission"); } return mInputManager.getKeyCodeState(-1, InputDevice.SOURCE_TRACKBALL, sw); } public int getDPadKeycodeState(int sw) { if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE, "getDPadKeycodeState()")) { throw new SecurityException("Requires READ_INPUT_STATE permission"); } return mInputManager.getKeyCodeState(-1, InputDevice.SOURCE_DPAD, sw); } public boolean hasKeys(int[] keycodes, boolean[] keyExists) { return mInputManager.hasKeys(-1, InputDevice.SOURCE_ANY, keycodes, keyExists); } public InputChannel monitorInput(String inputChannelName) { if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE, "monitorInput()")) { throw new SecurityException("Requires READ_INPUT_STATE permission"); } return mInputManager.monitorInput(inputChannelName); } public void setInputFilter(InputFilter filter) { mInputManager.setInputFilter(filter); } public InputDevice getInputDevice(int deviceId) { return mInputManager.getInputDevice(deviceId); } public int[] getInputDeviceIds() { return mInputManager.getInputDeviceIds(); } public void enableScreenAfterBoot() { synchronized(mWindowMap) { if (DEBUG_BOOT) { RuntimeException here = new RuntimeException("here"); here.fillInStackTrace(); Slog.i(TAG, "enableScreenAfterBoot: mDisplayEnabled=" + mDisplayEnabled + " mForceDisplayEnabled=" + mForceDisplayEnabled + " mShowingBootMessages=" + mShowingBootMessages + " mSystemBooted=" + mSystemBooted, here); } if (mSystemBooted) { return; } mSystemBooted = true; hideBootMessagesLocked(); // If the screen still doesn't come up after 30 seconds, give // up and turn it on. Message msg = mH.obtainMessage(H.BOOT_TIMEOUT); mH.sendMessageDelayed(msg, 30*1000); } mPolicy.systemBooted(); performEnableScreen(); } void enableScreenIfNeededLocked() { if (DEBUG_BOOT) { RuntimeException here = new RuntimeException("here"); here.fillInStackTrace(); Slog.i(TAG, "enableScreenIfNeededLocked: mDisplayEnabled=" + mDisplayEnabled + " mForceDisplayEnabled=" + mForceDisplayEnabled + " mShowingBootMessages=" + mShowingBootMessages + " mSystemBooted=" + mSystemBooted, here); } if (mDisplayEnabled) { return; } if (!mSystemBooted && !mShowingBootMessages) { return; } mH.sendMessage(mH.obtainMessage(H.ENABLE_SCREEN)); } public void performBootTimeout() { synchronized(mWindowMap) { if (mDisplayEnabled) { return; } Slog.w(TAG, "***** BOOT TIMEOUT: forcing display enabled"); mForceDisplayEnabled = true; } performEnableScreen(); } public void performEnableScreen() { synchronized(mWindowMap) { if (DEBUG_BOOT) { RuntimeException here = new RuntimeException("here"); here.fillInStackTrace(); Slog.i(TAG, "performEnableScreen: mDisplayEnabled=" + mDisplayEnabled + " mForceDisplayEnabled=" + mForceDisplayEnabled + " mShowingBootMessages=" + mShowingBootMessages + " mSystemBooted=" + mSystemBooted, here); } if (mDisplayEnabled) { return; } if (!mSystemBooted && !mShowingBootMessages) { return; } if (!mForceDisplayEnabled) { // Don't enable the screen until all existing windows // have been drawn. boolean haveBootMsg = false; boolean haveApp = false; boolean haveWallpaper = false; boolean haveKeyguard = true; final int N = mWindows.size(); for (int i=0; i<N; i++) { WindowState w = mWindows.get(i); if (w.mAttrs.type == WindowManager.LayoutParams.TYPE_KEYGUARD) { // Only if there is a keyguard attached to the window manager // will we consider ourselves as having a keyguard. If it // isn't attached, we don't know if it wants to be shown or // hidden. If it is attached, we will say we have a keyguard // if the window doesn't want to be visible, because in that // case it explicitly doesn't want to be shown so we should // not delay turning the screen on for it. boolean vis = w.mViewVisibility == View.VISIBLE && w.mPolicyVisibility; haveKeyguard = !vis; } if (w.isVisibleLw() && !w.mObscured && !w.isDrawnLw()) { return; } if (w.isDrawnLw()) { if (w.mAttrs.type == WindowManager.LayoutParams.TYPE_BOOT_PROGRESS) { haveBootMsg = true; } else if (w.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION) { haveApp = true; } else if (w.mAttrs.type == WindowManager.LayoutParams.TYPE_WALLPAPER) { haveWallpaper = true; } else if (w.mAttrs.type == WindowManager.LayoutParams.TYPE_KEYGUARD) { haveKeyguard = true; } } } if (DEBUG_SCREEN_ON || DEBUG_BOOT) { Slog.i(TAG, "******** booted=" + mSystemBooted + " msg=" + mShowingBootMessages + " haveBoot=" + haveBootMsg + " haveApp=" + haveApp + " haveWall=" + haveWallpaper + " haveKeyguard=" + haveKeyguard); } // If we are turning on the screen to show the boot message, // don't do it until the boot message is actually displayed. if (!mSystemBooted && !haveBootMsg) { return; } // If we are turning on the screen after the boot is completed // normally, don't do so until we have the application and // wallpaper. if (mSystemBooted && ((!haveApp && !haveKeyguard) || !haveWallpaper)) { return; } } mDisplayEnabled = true; if (DEBUG_SCREEN_ON || DEBUG_BOOT) Slog.i(TAG, "******************** ENABLING SCREEN!"); if (false) { StringWriter sw = new StringWriter(); PrintWriter pw = new PrintWriter(sw); this.dump(null, pw, null); Slog.i(TAG, sw.toString()); } try { IBinder surfaceFlinger = ServiceManager.getService("SurfaceFlinger"); if (surfaceFlinger != null) { //Slog.i(TAG, "******* TELLING SURFACE FLINGER WE ARE BOOTED!"); Parcel data = Parcel.obtain(); data.writeInterfaceToken("android.ui.ISurfaceComposer"); surfaceFlinger.transact(IBinder.FIRST_CALL_TRANSACTION, data, null, 0); data.recycle(); } } catch (RemoteException ex) { Slog.e(TAG, "Boot completed: SurfaceFlinger is dead!"); } } mPolicy.enableScreenAfterBoot(); // Make sure the last requested orientation has been applied. updateRotationUnchecked(false); } public void showBootMessage(final CharSequence msg, final boolean always) { boolean first = false; synchronized(mWindowMap) { if (DEBUG_BOOT) { RuntimeException here = new RuntimeException("here"); here.fillInStackTrace(); Slog.i(TAG, "showBootMessage: msg=" + msg + " always=" + always + " mAllowBootMessages=" + mAllowBootMessages + " mShowingBootMessages=" + mShowingBootMessages + " mSystemBooted=" + mSystemBooted, here); } if (!mAllowBootMessages) { return; } if (!mShowingBootMessages) { if (!always) { return; } first = true; } if (mSystemBooted) { return; } mShowingBootMessages = true; mPolicy.showBootMessage(msg, always); } if (first) { performEnableScreen(); } } public void hideBootMessagesLocked() { if (DEBUG_BOOT) { RuntimeException here = new RuntimeException("here"); here.fillInStackTrace(); Slog.i(TAG, "hideBootMessagesLocked: mDisplayEnabled=" + mDisplayEnabled + " mForceDisplayEnabled=" + mForceDisplayEnabled + " mShowingBootMessages=" + mShowingBootMessages + " mSystemBooted=" + mSystemBooted, here); } if (mShowingBootMessages) { mShowingBootMessages = false; mPolicy.hideBootMessages(); } } public void setInTouchMode(boolean mode) { synchronized(mWindowMap) { mInTouchMode = mode; } } // TODO: more accounting of which pid(s) turned it on, keep count, // only allow disables from pids which have count on, etc. public void showStrictModeViolation(boolean on) { int pid = Binder.getCallingPid(); synchronized(mWindowMap) { // Ignoring requests to enable the red border from clients // which aren't on screen. (e.g. Broadcast Receivers in // the background..) if (on) { boolean isVisible = false; for (WindowState ws : mWindows) { if (ws.mSession.mPid == pid && ws.isVisibleLw()) { isVisible = true; break; } } if (!isVisible) { return; } } if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG, ">>> OPEN TRANSACTION showStrictModeViolation"); Surface.openTransaction(); try { if (mStrictModeFlash == null) { mStrictModeFlash = new StrictModeFlash(mDisplay, mFxSession); } mStrictModeFlash.setVisibility(on); } finally { Surface.closeTransaction(); if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG, "<<< CLOSE TRANSACTION showStrictModeViolation"); } } } public void setStrictModeVisualIndicatorPreference(String value) { SystemProperties.set(StrictMode.VISUAL_PROPERTY, value); } /** * Takes a snapshot of the screen. In landscape mode this grabs the whole screen. * In portrait mode, it grabs the upper region of the screen based on the vertical dimension * of the target image. * * @param width the width of the target bitmap * @param height the height of the target bitmap */ public Bitmap screenshotApplications(IBinder appToken, int width, int height) { if (!checkCallingPermission(android.Manifest.permission.READ_FRAME_BUFFER, "screenshotApplications()")) { throw new SecurityException("Requires READ_FRAME_BUFFER permission"); } Bitmap rawss; int maxLayer = 0; final Rect frame = new Rect(); float scale; int dw, dh; int rot; synchronized(mWindowMap) { long ident = Binder.clearCallingIdentity(); dw = mAppDisplayWidth; dh = mAppDisplayHeight; int aboveAppLayer = mPolicy.windowTypeToLayerLw( WindowManager.LayoutParams.TYPE_APPLICATION) * TYPE_LAYER_MULTIPLIER + TYPE_LAYER_OFFSET; aboveAppLayer += TYPE_LAYER_MULTIPLIER; boolean isImeTarget = mInputMethodTarget != null && mInputMethodTarget.mAppToken != null && mInputMethodTarget.mAppToken.appToken != null && mInputMethodTarget.mAppToken.appToken.asBinder() == appToken; // Figure out the part of the screen that is actually the app. boolean including = false; for (int i=mWindows.size()-1; i>=0; i--) { WindowState ws = mWindows.get(i); if (ws.mSurface == null) { continue; } if (ws.mLayer >= aboveAppLayer) { continue; } // When we will skip windows: when we are not including // ones behind a window we didn't skip, and we are actually // taking a screenshot of a specific app. if (!including && appToken != null) { // Also, we can possibly skip this window if it is not // an IME target or the application for the screenshot // is not the current IME target. if (!ws.mIsImWindow || !isImeTarget) { // And finally, this window is of no interest if it // is not associated with the screenshot app. if (ws.mAppToken == null || ws.mAppToken.token != appToken) { continue; } } } // We keep on including windows until we go past a full-screen // window. including = !ws.mIsImWindow && !ws.isFullscreen(dw, dh); if (maxLayer < ws.mAnimLayer) { maxLayer = ws.mAnimLayer; } // Don't include wallpaper in bounds calculation if (!ws.mIsWallpaper) { final Rect wf = ws.mFrame; final Rect cr = ws.mContentInsets; int left = wf.left + cr.left; int top = wf.top + cr.top; int right = wf.right - cr.right; int bottom = wf.bottom - cr.bottom; frame.union(left, top, right, bottom); } } Binder.restoreCallingIdentity(ident); // Constrain frame to the screen size. frame.intersect(0, 0, dw, dh); if (frame.isEmpty() || maxLayer == 0) { return null; } // The screenshot API does not apply the current screen rotation. rot = mDisplay.getRotation(); int fw = frame.width(); int fh = frame.height(); // Constrain thumbnail to smaller of screen width or height. Assumes aspect // of thumbnail is the same as the screen (in landscape) or square. float targetWidthScale = width / (float) fw; float targetHeightScale = height / (float) fh; if (dw <= dh) { scale = targetWidthScale; // If aspect of thumbnail is the same as the screen (in landscape), // select the slightly larger value so we fill the entire bitmap if (targetHeightScale > scale && (int) (targetHeightScale * fw) == width) { scale = targetHeightScale; } } else { scale = targetHeightScale; // If aspect of thumbnail is the same as the screen (in landscape), // select the slightly larger value so we fill the entire bitmap if (targetWidthScale > scale && (int) (targetWidthScale * fh) == height) { scale = targetWidthScale; } } // The screen shot will contain the entire screen. dw = (int)(dw*scale); dh = (int)(dh*scale); if (rot == Surface.ROTATION_90 || rot == Surface.ROTATION_270) { int tmp = dw; dw = dh; dh = tmp; rot = (rot == Surface.ROTATION_90) ? Surface.ROTATION_270 : Surface.ROTATION_90; } if (DEBUG_SCREENSHOT) { Slog.i(TAG, "Screenshot: " + dw + "x" + dh + " from 0 to " + maxLayer); for (int i=0; i<mWindows.size(); i++) { Slog.i(TAG, mWindows.get(i) + ": " + mWindows.get(i).mLayer + " animLayer=" + mWindows.get(i).mAnimLayer + " surfaceLayer=" + mWindows.get(i).mSurfaceLayer); } } rawss = Surface.screenshot(dw, dh, 0, maxLayer); } if (rawss == null) { Slog.w(TAG, "Failure taking screenshot for (" + dw + "x" + dh + ") to layer " + maxLayer); return null; } Bitmap bm = Bitmap.createBitmap(width, height, rawss.getConfig()); Matrix matrix = new Matrix(); ScreenRotationAnimation.createRotationMatrix(rot, dw, dh, matrix); matrix.postTranslate(-(int)(frame.left*scale), -(int)(frame.top*scale)); Canvas canvas = new Canvas(bm); canvas.drawBitmap(rawss, matrix, null); canvas.setBitmap(null); rawss.recycle(); return bm; } /** * Freeze rotation changes. (Enable "rotation lock".) * Persists across reboots. * @param rotation The desired rotation to freeze to, or -1 to use the * current rotation. */ public void freezeRotation(int rotation) { if (!checkCallingPermission(android.Manifest.permission.SET_ORIENTATION, "freezeRotation()")) { throw new SecurityException("Requires SET_ORIENTATION permission"); } if (rotation < -1 || rotation > Surface.ROTATION_270) { throw new IllegalArgumentException("Rotation argument must be -1 or a valid " + "rotation constant."); } if (DEBUG_ORIENTATION) Slog.v(TAG, "freezeRotation: mRotation=" + mRotation); mPolicy.setUserRotationMode(WindowManagerPolicy.USER_ROTATION_LOCKED, rotation == -1 ? mRotation : rotation); updateRotationUnchecked(false); } /** * Thaw rotation changes. (Disable "rotation lock".) * Persists across reboots. */ public void thawRotation() { if (!checkCallingPermission(android.Manifest.permission.SET_ORIENTATION, "thawRotation()")) { throw new SecurityException("Requires SET_ORIENTATION permission"); } if (DEBUG_ORIENTATION) Slog.v(TAG, "thawRotation: mRotation=" + mRotation); mPolicy.setUserRotationMode(WindowManagerPolicy.USER_ROTATION_FREE, 777); // rot not used updateRotationUnchecked(false); } /** * Recalculate the current rotation. * * Called by the window manager policy whenever the state of the system changes * such that the current rotation might need to be updated, such as when the * device is docked or rotated into a new posture. */ public void updateRotation(boolean alwaysSendConfiguration) { updateRotationUnchecked(alwaysSendConfiguration); } /** * Temporarily pauses rotation changes until resumed. * * This can be used to prevent rotation changes from occurring while the user is * performing certain operations, such as drag and drop. * * This call nests and must be matched by an equal number of calls to {@link #resumeRotation}. */ void pauseRotationLocked() { mDeferredRotationPauseCount += 1; } /** * Resumes normal rotation changes after being paused. */ void resumeRotationLocked() { if (mDeferredRotationPauseCount > 0) { mDeferredRotationPauseCount -= 1; if (mDeferredRotationPauseCount == 0) { boolean changed = updateRotationUncheckedLocked(false); if (changed) { mH.sendEmptyMessage(H.SEND_NEW_CONFIGURATION); } } } } public void updateRotationUnchecked( boolean alwaysSendConfiguration) { if(DEBUG_ORIENTATION) Slog.v(TAG, "updateRotationUnchecked(" + "alwaysSendConfiguration=" + alwaysSendConfiguration + ")"); long origId = Binder.clearCallingIdentity(); boolean changed; synchronized(mWindowMap) { changed = updateRotationUncheckedLocked(false); } if (changed || alwaysSendConfiguration) { sendNewConfiguration(); } Binder.restoreCallingIdentity(origId); } /** * Updates the current rotation. * * Returns true if the rotation has been changed. In this case YOU * MUST CALL sendNewConfiguration() TO UNFREEZE THE SCREEN. */ public boolean updateRotationUncheckedLocked(boolean inTransaction) { if (mDeferredRotationPauseCount > 0) { // Rotation updates have been paused temporarily. Defer the update until // updates have been resumed. if (DEBUG_ORIENTATION) Slog.v(TAG, "Deferring rotation, rotation is paused."); return false; } if (mScreenRotationAnimation != null && mScreenRotationAnimation.isAnimating()) { // Rotation updates cannot be performed while the previous rotation change // animation is still in progress. Skip this update. We will try updating // again after the animation is finished and the display is unfrozen. if (DEBUG_ORIENTATION) Slog.v(TAG, "Deferring rotation, animation in progress."); return false; } if (!mDisplayEnabled) { // No point choosing a rotation if the display is not enabled. if (DEBUG_ORIENTATION) Slog.v(TAG, "Deferring rotation, display is not enabled."); return false; } // TODO: Implement forced rotation changes. // Set mAltOrientation to indicate that the application is receiving // an orientation that has different metrics than it expected. // eg. Portrait instead of Landscape. int rotation = mPolicy.rotationForOrientationLw(mForcedAppOrientation, mRotation); boolean altOrientation = !mPolicy.rotationHasCompatibleMetricsLw( mForcedAppOrientation, rotation); if (DEBUG_ORIENTATION) { Slog.v(TAG, "Application requested orientation " + mForcedAppOrientation + ", got rotation " + rotation + " which has " + (altOrientation ? "incompatible" : "compatible") + " metrics"); } if (mRotation == rotation && mAltOrientation == altOrientation) { // No change. return false; } if (DEBUG_ORIENTATION) { Slog.v(TAG, "Rotation changed to " + rotation + (altOrientation ? " (alt)" : "") + " from " + mRotation + (mAltOrientation ? " (alt)" : "") + ", forceApp=" + mForcedAppOrientation); } mRotation = rotation; mAltOrientation = altOrientation; mPolicy.setRotationLw(mRotation); mWindowsFreezingScreen = true; mH.removeMessages(H.WINDOW_FREEZE_TIMEOUT); mH.sendMessageDelayed(mH.obtainMessage(H.WINDOW_FREEZE_TIMEOUT), 2000); mWaitingForConfig = true; mLayoutNeeded = true; startFreezingDisplayLocked(inTransaction); mInputManager.setDisplayOrientation(0, rotation); if (!inTransaction) { if (SHOW_TRANSACTIONS) Slog.i(TAG, ">>> OPEN TRANSACTION setRotationUnchecked"); Surface.openTransaction(); } try { // NOTE: We disable the rotation in the emulator because // it doesn't support hardware OpenGL emulation yet. if (CUSTOM_SCREEN_ROTATION && mScreenRotationAnimation != null && mScreenRotationAnimation.hasScreenshot()) { mScreenRotationAnimation.setRotation(rotation); } Surface.setOrientation(0, rotation); } finally { if (!inTransaction) { Surface.closeTransaction(); if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG, "<<< CLOSE TRANSACTION setRotationUnchecked"); } } rebuildBlackFrame(inTransaction); for (int i=mWindows.size()-1; i>=0; i--) { WindowState w = mWindows.get(i); if (w.mSurface != null) { if (DEBUG_ORIENTATION) Slog.v(TAG, "Set mOrientationChanging of " + w); w.mOrientationChanging = true; } } for (int i=mRotationWatchers.size()-1; i>=0; i--) { try { mRotationWatchers.get(i).onRotationChanged(rotation); } catch (RemoteException e) { } } return true; } public int getRotation() { return mRotation; } public int watchRotation(IRotationWatcher watcher) { final IBinder watcherBinder = watcher.asBinder(); IBinder.DeathRecipient dr = new IBinder.DeathRecipient() { public void binderDied() { synchronized (mWindowMap) { for (int i=0; i<mRotationWatchers.size(); i++) { if (watcherBinder == mRotationWatchers.get(i).asBinder()) { IRotationWatcher removed = mRotationWatchers.remove(i); if (removed != null) { removed.asBinder().unlinkToDeath(this, 0); } i--; } } } } }; synchronized (mWindowMap) { try { watcher.asBinder().linkToDeath(dr, 0); mRotationWatchers.add(watcher); } catch (RemoteException e) { // Client died, no cleanup needed. } return mRotation; } } /** * Apps that use the compact menu panel (as controlled by the panelMenuIsCompact * theme attribute) on devices that feature a physical options menu key attempt to position * their menu panel window along the edge of the screen nearest the physical menu key. * This lowers the travel distance between invoking the menu panel and selecting * a menu option. * * This method helps control where that menu is placed. Its current implementation makes * assumptions about the menu key and its relationship to the screen based on whether * the device's natural orientation is portrait (width < height) or landscape. * * The menu key is assumed to be located along the bottom edge of natural-portrait * devices and along the right edge of natural-landscape devices. If these assumptions * do not hold for the target device, this method should be changed to reflect that. * * @return A {@link Gravity} value for placing the options menu window */ public int getPreferredOptionsPanelGravity() { synchronized (mWindowMap) { final int rotation = getRotation(); if (mInitialDisplayWidth < mInitialDisplayHeight) { // On devices with a natural orientation of portrait switch (rotation) { default: case Surface.ROTATION_0: return Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM; case Surface.ROTATION_90: return Gravity.RIGHT | Gravity.BOTTOM; case Surface.ROTATION_180: return Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM; case Surface.ROTATION_270: return Gravity.LEFT | Gravity.BOTTOM; } } else { // On devices with a natural orientation of landscape switch (rotation) { default: case Surface.ROTATION_0: return Gravity.RIGHT | Gravity.BOTTOM; case Surface.ROTATION_90: return Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM; case Surface.ROTATION_180: return Gravity.LEFT | Gravity.BOTTOM; case Surface.ROTATION_270: return Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM; } } } } /** * Starts the view server on the specified port. * * @param port The port to listener to. * * @return True if the server was successfully started, false otherwise. * * @see com.android.server.wm.ViewServer * @see com.android.server.wm.ViewServer#VIEW_SERVER_DEFAULT_PORT */ public boolean startViewServer(int port) { if (isSystemSecure()) { return false; } if (!checkCallingPermission(Manifest.permission.DUMP, "startViewServer")) { return false; } if (port < 1024) { return false; } if (mViewServer != null) { if (!mViewServer.isRunning()) { try { return mViewServer.start(); } catch (IOException e) { Slog.w(TAG, "View server did not start"); } } return false; } try { mViewServer = new ViewServer(this, port); return mViewServer.start(); } catch (IOException e) { Slog.w(TAG, "View server did not start"); } return false; } private boolean isSystemSecure() { return "1".equals(SystemProperties.get(SYSTEM_SECURE, "1")) && "0".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0")); } /** * Stops the view server if it exists. * * @return True if the server stopped, false if it wasn't started or * couldn't be stopped. * * @see com.android.server.wm.ViewServer */ public boolean stopViewServer() { if (isSystemSecure()) { return false; } if (!checkCallingPermission(Manifest.permission.DUMP, "stopViewServer")) { return false; } if (mViewServer != null) { return mViewServer.stop(); } return false; } /** * Indicates whether the view server is running. * * @return True if the server is running, false otherwise. * * @see com.android.server.wm.ViewServer */ public boolean isViewServerRunning() { if (isSystemSecure()) { return false; } if (!checkCallingPermission(Manifest.permission.DUMP, "isViewServerRunning")) { return false; } return mViewServer != null && mViewServer.isRunning(); } /** * Lists all availble windows in the system. The listing is written in the * specified Socket's output stream with the following syntax: * windowHashCodeInHexadecimal windowName * Each line of the ouput represents a different window. * * @param client The remote client to send the listing to. * @return False if an error occured, true otherwise. */ boolean viewServerListWindows(Socket client) { if (isSystemSecure()) { return false; } boolean result = true; WindowState[] windows; synchronized (mWindowMap) { //noinspection unchecked windows = mWindows.toArray(new WindowState[mWindows.size()]); } BufferedWriter out = null; // Any uncaught exception will crash the system process try { OutputStream clientStream = client.getOutputStream(); out = new BufferedWriter(new OutputStreamWriter(clientStream), 8 * 1024); final int count = windows.length; for (int i = 0; i < count; i++) { final WindowState w = windows[i]; out.write(Integer.toHexString(System.identityHashCode(w))); out.write(' '); out.append(w.mAttrs.getTitle()); out.write('\n'); } out.write("DONE.\n"); out.flush(); } catch (Exception e) { result = false; } finally { if (out != null) { try { out.close(); } catch (IOException e) { result = false; } } } return result; } /** * Returns the focused window in the following format: * windowHashCodeInHexadecimal windowName * * @param client The remote client to send the listing to. * @return False if an error occurred, true otherwise. */ boolean viewServerGetFocusedWindow(Socket client) { if (isSystemSecure()) { return false; } boolean result = true; WindowState focusedWindow = getFocusedWindow(); BufferedWriter out = null; // Any uncaught exception will crash the system process try { OutputStream clientStream = client.getOutputStream(); out = new BufferedWriter(new OutputStreamWriter(clientStream), 8 * 1024); if(focusedWindow != null) { out.write(Integer.toHexString(System.identityHashCode(focusedWindow))); out.write(' '); out.append(focusedWindow.mAttrs.getTitle()); } out.write('\n'); out.flush(); } catch (Exception e) { result = false; } finally { if (out != null) { try { out.close(); } catch (IOException e) { result = false; } } } return result; } /** * Sends a command to a target window. The result of the command, if any, will be * written in the output stream of the specified socket. * * The parameters must follow this syntax: * windowHashcode extra * * Where XX is the length in characeters of the windowTitle. * * The first parameter is the target window. The window with the specified hashcode * will be the target. If no target can be found, nothing happens. The extra parameters * will be delivered to the target window and as parameters to the command itself. * * @param client The remote client to sent the result, if any, to. * @param command The command to execute. * @param parameters The command parameters. * * @return True if the command was successfully delivered, false otherwise. This does * not indicate whether the command itself was successful. */ boolean viewServerWindowCommand(Socket client, String command, String parameters) { if (isSystemSecure()) { return false; } boolean success = true; Parcel data = null; Parcel reply = null; BufferedWriter out = null; // Any uncaught exception will crash the system process try { // Find the hashcode of the window int index = parameters.indexOf(' '); if (index == -1) { index = parameters.length(); } final String code = parameters.substring(0, index); int hashCode = (int) Long.parseLong(code, 16); // Extract the command's parameter after the window description if (index < parameters.length()) { parameters = parameters.substring(index + 1); } else { parameters = ""; } final WindowState window = findWindow(hashCode); if (window == null) { return false; } data = Parcel.obtain(); data.writeInterfaceToken("android.view.IWindow"); data.writeString(command); data.writeString(parameters); data.writeInt(1); ParcelFileDescriptor.fromSocket(client).writeToParcel(data, 0); reply = Parcel.obtain(); final IBinder binder = window.mClient.asBinder(); // TODO: GET THE TRANSACTION CODE IN A SAFER MANNER binder.transact(IBinder.FIRST_CALL_TRANSACTION, data, reply, 0); reply.readException(); if (!client.isOutputShutdown()) { out = new BufferedWriter(new OutputStreamWriter(client.getOutputStream())); out.write("DONE\n"); out.flush(); } } catch (Exception e) { Slog.w(TAG, "Could not send command " + command + " with parameters " + parameters, e); success = false; } finally { if (data != null) { data.recycle(); } if (reply != null) { reply.recycle(); } if (out != null) { try { out.close(); } catch (IOException e) { } } } return success; } public void addWindowChangeListener(WindowChangeListener listener) { synchronized(mWindowMap) { mWindowChangeListeners.add(listener); } } public void removeWindowChangeListener(WindowChangeListener listener) { synchronized(mWindowMap) { mWindowChangeListeners.remove(listener); } } private void notifyWindowsChanged() { WindowChangeListener[] windowChangeListeners; synchronized(mWindowMap) { if(mWindowChangeListeners.isEmpty()) { return; } windowChangeListeners = new WindowChangeListener[mWindowChangeListeners.size()]; windowChangeListeners = mWindowChangeListeners.toArray(windowChangeListeners); } int N = windowChangeListeners.length; for(int i = 0; i < N; i++) { windowChangeListeners[i].windowsChanged(); } } private void notifyFocusChanged() { WindowChangeListener[] windowChangeListeners; synchronized(mWindowMap) { if(mWindowChangeListeners.isEmpty()) { return; } windowChangeListeners = new WindowChangeListener[mWindowChangeListeners.size()]; windowChangeListeners = mWindowChangeListeners.toArray(windowChangeListeners); } int N = windowChangeListeners.length; for(int i = 0; i < N; i++) { windowChangeListeners[i].focusChanged(); } } private WindowState findWindow(int hashCode) { if (hashCode == -1) { return getFocusedWindow(); } synchronized (mWindowMap) { final ArrayList<WindowState> windows = mWindows; final int count = windows.size(); for (int i = 0; i < count; i++) { WindowState w = windows.get(i); if (System.identityHashCode(w) == hashCode) { return w; } } } return null; } /* * Instruct the Activity Manager to fetch the current configuration and broadcast * that to config-changed listeners if appropriate. */ void sendNewConfiguration() { try { mActivityManager.updateConfiguration(null); } catch (RemoteException e) { } } public Configuration computeNewConfiguration() { synchronized (mWindowMap) { Configuration config = computeNewConfigurationLocked(); if (config == null && mWaitingForConfig) { // Nothing changed but we are waiting for something... stop that! mWaitingForConfig = false; performLayoutAndPlaceSurfacesLocked(); } return config; } } Configuration computeNewConfigurationLocked() { Configuration config = new Configuration(); config.fontScale = 0; if (!computeNewConfigurationLocked(config)) { return null; } return config; } private int reduceConfigWidthSize(int curSize, int rotation, float density, int dw, int dh) { int size = (int)(mPolicy.getConfigDisplayWidth(dw, dh, rotation) / density); if (size < curSize) { curSize = size; } return curSize; } private int reduceConfigLayout(int curLayout, int rotation, float density, int dw, int dh) { // Get the app screen size at this rotation. int w = mPolicy.getNonDecorDisplayWidth(dw, dh, rotation); int h = mPolicy.getNonDecorDisplayHeight(dw, dh, rotation); // Compute the screen layout size class for this rotation. int screenLayoutSize; boolean screenLayoutLong; boolean screenLayoutCompatNeeded; int longSize = w; int shortSize = h; if (longSize < shortSize) { int tmp = longSize; longSize = shortSize; shortSize = tmp; } longSize = (int)(longSize/density); shortSize = (int)(shortSize/density); // These semi-magic numbers define our compatibility modes for // applications with different screens. These are guarantees to // app developers about the space they can expect for a particular // configuration. DO NOT CHANGE! if (longSize < 470) { // This is shorter than an HVGA normal density screen (which // is 480 pixels on its long side). screenLayoutSize = Configuration.SCREENLAYOUT_SIZE_SMALL; screenLayoutLong = false; screenLayoutCompatNeeded = false; } else { // What size is this screen screen? if (longSize >= 960 && shortSize >= 720) { // 1.5xVGA or larger screens at medium density are the point // at which we consider it to be an extra large screen. screenLayoutSize = Configuration.SCREENLAYOUT_SIZE_XLARGE; } else if (longSize >= 640 && shortSize >= 480) { // VGA or larger screens at medium density are the point // at which we consider it to be a large screen. screenLayoutSize = Configuration.SCREENLAYOUT_SIZE_LARGE; } else { screenLayoutSize = Configuration.SCREENLAYOUT_SIZE_NORMAL; } // If this screen is wider than normal HVGA, or taller // than FWVGA, then for old apps we want to run in size // compatibility mode. if (shortSize > 321 || longSize > 570) { screenLayoutCompatNeeded = true; } else { screenLayoutCompatNeeded = false; } // Is this a long screen? if (((longSize*3)/5) >= (shortSize-1)) { // Anything wider than WVGA (5:3) is considering to be long. screenLayoutLong = true; } else { screenLayoutLong = false; } } // Now reduce the last screenLayout to not be better than what we // have found. if (!screenLayoutLong) { curLayout = (curLayout&~Configuration.SCREENLAYOUT_LONG_MASK) | Configuration.SCREENLAYOUT_LONG_NO; } if (screenLayoutCompatNeeded) { curLayout |= Configuration.SCREENLAYOUT_COMPAT_NEEDED; } int curSize = curLayout&Configuration.SCREENLAYOUT_SIZE_MASK; if (screenLayoutSize < curSize) { curLayout = (curLayout&~Configuration.SCREENLAYOUT_SIZE_MASK) | screenLayoutSize; } return curLayout; } private void computeSmallestWidthAndScreenLayout(boolean rotated, int dw, int dh, float density, Configuration outConfig) { // We need to determine the smallest width that will occur under normal // operation. To this, start with the base screen size and compute the // width under the different possible rotations. We need to un-rotate // the current screen dimensions before doing this. int unrotDw, unrotDh; if (rotated) { unrotDw = dh; unrotDh = dw; } else { unrotDw = dw; unrotDh = dh; } int sw = reduceConfigWidthSize(unrotDw, Surface.ROTATION_0, density, unrotDw, unrotDh); sw = reduceConfigWidthSize(sw, Surface.ROTATION_90, density, unrotDh, unrotDw); sw = reduceConfigWidthSize(sw, Surface.ROTATION_180, density, unrotDw, unrotDh); sw = reduceConfigWidthSize(sw, Surface.ROTATION_270, density, unrotDh, unrotDw); int sl = Configuration.SCREENLAYOUT_SIZE_XLARGE | Configuration.SCREENLAYOUT_LONG_YES; sl = reduceConfigLayout(sl, Surface.ROTATION_0, density, unrotDw, unrotDh); sl = reduceConfigLayout(sl, Surface.ROTATION_90, density, unrotDh, unrotDw); sl = reduceConfigLayout(sl, Surface.ROTATION_180, density, unrotDw, unrotDh); sl = reduceConfigLayout(sl, Surface.ROTATION_270, density, unrotDh, unrotDw); outConfig.smallestScreenWidthDp = sw; outConfig.screenLayout = sl; } private int reduceCompatConfigWidthSize(int curSize, int rotation, DisplayMetrics dm, int dw, int dh) { dm.noncompatWidthPixels = mPolicy.getNonDecorDisplayWidth(dw, dh, rotation); dm.noncompatHeightPixels = mPolicy.getNonDecorDisplayHeight(dw, dh, rotation); float scale = CompatibilityInfo.computeCompatibleScaling(dm, null); int size = (int)(((dm.noncompatWidthPixels / scale) / dm.density) + .5f); if (curSize == 0 || size < curSize) { curSize = size; } return curSize; } private int computeCompatSmallestWidth(boolean rotated, DisplayMetrics dm, int dw, int dh) { mTmpDisplayMetrics.setTo(dm); dm = mTmpDisplayMetrics; int unrotDw, unrotDh; if (rotated) { unrotDw = dh; unrotDh = dw; } else { unrotDw = dw; unrotDh = dh; } int sw = reduceCompatConfigWidthSize(0, Surface.ROTATION_0, dm, unrotDw, unrotDh); sw = reduceCompatConfigWidthSize(sw, Surface.ROTATION_90, dm, unrotDh, unrotDw); sw = reduceCompatConfigWidthSize(sw, Surface.ROTATION_180, dm, unrotDw, unrotDh); sw = reduceCompatConfigWidthSize(sw, Surface.ROTATION_270, dm, unrotDh, unrotDw); return sw; } boolean computeNewConfigurationLocked(Configuration config) { if (mDisplay == null) { return false; } mInputManager.getInputConfiguration(config); // Use the effective "visual" dimensions based on current rotation final boolean rotated = (mRotation == Surface.ROTATION_90 || mRotation == Surface.ROTATION_270); final int realdw = rotated ? mBaseDisplayHeight : mBaseDisplayWidth; final int realdh = rotated ? mBaseDisplayWidth : mBaseDisplayHeight; synchronized(mDisplaySizeLock) { if (mAltOrientation) { mCurDisplayWidth = realdw; mCurDisplayHeight = realdh; if (realdw > realdh) { // Turn landscape into portrait. int maxw = (int)(realdh/1.3f); if (maxw < realdw) { mCurDisplayWidth = maxw; } } else { // Turn portrait into landscape. int maxh = (int)(realdw/1.3f); if (maxh < realdh) { mCurDisplayHeight = maxh; } } } else { mCurDisplayWidth = realdw; mCurDisplayHeight = realdh; } } final int dw = mCurDisplayWidth; final int dh = mCurDisplayHeight; int orientation = Configuration.ORIENTATION_SQUARE; if (dw < dh) { orientation = Configuration.ORIENTATION_PORTRAIT; } else if (dw > dh) { orientation = Configuration.ORIENTATION_LANDSCAPE; } config.orientation = orientation; // Update real display metrics. mDisplay.getMetricsWithSize(mRealDisplayMetrics, mCurDisplayWidth, mCurDisplayHeight); // Update application display metrics. final DisplayMetrics dm = mDisplayMetrics; final int appWidth = mPolicy.getNonDecorDisplayWidth(dw, dh, mRotation); final int appHeight = mPolicy.getNonDecorDisplayHeight(dw, dh, mRotation); synchronized(mDisplaySizeLock) { mAppDisplayWidth = appWidth; mAppDisplayHeight = appHeight; } if (false) { Slog.i(TAG, "Set app display size: " + mAppDisplayWidth + " x " + mAppDisplayHeight); } mDisplay.getMetricsWithSize(dm, mAppDisplayWidth, mAppDisplayHeight); mCompatibleScreenScale = CompatibilityInfo.computeCompatibleScaling(dm, mCompatDisplayMetrics); config.screenWidthDp = (int)(mPolicy.getConfigDisplayWidth(dw, dh, mRotation) / dm.density); config.screenHeightDp = (int)(mPolicy.getConfigDisplayHeight(dw, dh, mRotation) / dm.density); computeSmallestWidthAndScreenLayout(rotated, dw, dh, dm.density, config); config.compatScreenWidthDp = (int)(config.screenWidthDp / mCompatibleScreenScale); config.compatScreenHeightDp = (int)(config.screenHeightDp / mCompatibleScreenScale); config.compatSmallestScreenWidthDp = computeCompatSmallestWidth(rotated, dm, dw, dh); // Determine whether a hard keyboard is available and enabled. boolean hardKeyboardAvailable = config.keyboard != Configuration.KEYBOARD_NOKEYS; if (hardKeyboardAvailable != mHardKeyboardAvailable) { mHardKeyboardAvailable = hardKeyboardAvailable; mHardKeyboardEnabled = hardKeyboardAvailable; mH.removeMessages(H.REPORT_HARD_KEYBOARD_STATUS_CHANGE); mH.sendEmptyMessage(H.REPORT_HARD_KEYBOARD_STATUS_CHANGE); } if (!mHardKeyboardEnabled) { config.keyboard = Configuration.KEYBOARD_NOKEYS; } // Update value of keyboardHidden, hardKeyboardHidden and navigationHidden // based on whether a hard or soft keyboard is present, whether navigation keys // are present and the lid switch state. config.keyboardHidden = Configuration.KEYBOARDHIDDEN_NO; config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_NO; config.navigationHidden = Configuration.NAVIGATIONHIDDEN_NO; mPolicy.adjustConfigurationLw(config); return true; } public boolean isHardKeyboardAvailable() { synchronized (mWindowMap) { return mHardKeyboardAvailable; } } public boolean isHardKeyboardEnabled() { synchronized (mWindowMap) { return mHardKeyboardEnabled; } } public void setHardKeyboardEnabled(boolean enabled) { synchronized (mWindowMap) { if (mHardKeyboardEnabled != enabled) { mHardKeyboardEnabled = enabled; mH.sendEmptyMessage(H.SEND_NEW_CONFIGURATION); } } } public void setOnHardKeyboardStatusChangeListener( OnHardKeyboardStatusChangeListener listener) { synchronized (mWindowMap) { mHardKeyboardStatusChangeListener = listener; } } void notifyHardKeyboardStatusChange() { final boolean available, enabled; final OnHardKeyboardStatusChangeListener listener; synchronized (mWindowMap) { listener = mHardKeyboardStatusChangeListener; available = mHardKeyboardAvailable; enabled = mHardKeyboardEnabled; } if (listener != null) { listener.onHardKeyboardStatusChange(available, enabled); } } // ------------------------------------------------------------- // Drag and drop // ------------------------------------------------------------- IBinder prepareDragSurface(IWindow window, SurfaceSession session, int flags, int width, int height, Surface outSurface) { if (DEBUG_DRAG) { Slog.d(TAG, "prepare drag surface: w=" + width + " h=" + height + " flags=" + Integer.toHexString(flags) + " win=" + window + " asbinder=" + window.asBinder()); } final int callerPid = Binder.getCallingPid(); final long origId = Binder.clearCallingIdentity(); IBinder token = null; try { synchronized (mWindowMap) { try { if (mDragState == null) { Surface surface = new Surface(session, callerPid, "drag surface", 0, width, height, PixelFormat.TRANSLUCENT, Surface.HIDDEN); if (SHOW_TRANSACTIONS) Slog.i(TAG, " DRAG " + surface + ": CREATE"); outSurface.copyFrom(surface); final IBinder winBinder = window.asBinder(); token = new Binder(); mDragState = new DragState(this, token, surface, /*flags*/ 0, winBinder); mDragState.mSurface = surface; token = mDragState.mToken = new Binder(); // 5 second timeout for this window to actually begin the drag mH.removeMessages(H.DRAG_START_TIMEOUT, winBinder); Message msg = mH.obtainMessage(H.DRAG_START_TIMEOUT, winBinder); mH.sendMessageDelayed(msg, 5000); } else { Slog.w(TAG, "Drag already in progress"); } } catch (Surface.OutOfResourcesException e) { Slog.e(TAG, "Can't allocate drag surface w=" + width + " h=" + height, e); if (mDragState != null) { mDragState.reset(); mDragState = null; } } } } finally { Binder.restoreCallingIdentity(origId); } return token; } // ------------------------------------------------------------- // Input Events and Focus Management // ------------------------------------------------------------- final InputMonitor mInputMonitor = new InputMonitor(this); public void pauseKeyDispatching(IBinder _token) { if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS, "pauseKeyDispatching()")) { throw new SecurityException("Requires MANAGE_APP_TOKENS permission"); } synchronized (mWindowMap) { WindowToken token = mTokenMap.get(_token); if (token != null) { mInputMonitor.pauseDispatchingLw(token); } } } public void resumeKeyDispatching(IBinder _token) { if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS, "resumeKeyDispatching()")) { throw new SecurityException("Requires MANAGE_APP_TOKENS permission"); } synchronized (mWindowMap) { WindowToken token = mTokenMap.get(_token); if (token != null) { mInputMonitor.resumeDispatchingLw(token); } } } public void setEventDispatching(boolean enabled) { if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS, "resumeKeyDispatching()")) { throw new SecurityException("Requires MANAGE_APP_TOKENS permission"); } synchronized (mWindowMap) { mInputMonitor.setEventDispatchingLw(enabled); } } /** * Injects a keystroke event into the UI. * Even when sync is false, this method may block while waiting for current * input events to be dispatched. * * @param ev A motion event describing the keystroke action. (Be sure to use * {@link SystemClock#uptimeMillis()} as the timebase.) * @param sync If true, wait for the event to be completed before returning to the caller. * @return Returns true if event was dispatched, false if it was dropped for any reason */ public boolean injectKeyEvent(KeyEvent ev, boolean sync) { long downTime = ev.getDownTime(); long eventTime = ev.getEventTime(); int action = ev.getAction(); int code = ev.getKeyCode(); int repeatCount = ev.getRepeatCount(); int metaState = ev.getMetaState(); int deviceId = ev.getDeviceId(); int scancode = ev.getScanCode(); int source = ev.getSource(); int flags = ev.getFlags(); if (source == InputDevice.SOURCE_UNKNOWN) { source = InputDevice.SOURCE_KEYBOARD; } if (eventTime == 0) eventTime = SystemClock.uptimeMillis(); if (downTime == 0) downTime = eventTime; KeyEvent newEvent = new KeyEvent(downTime, eventTime, action, code, repeatCount, metaState, deviceId, scancode, flags | KeyEvent.FLAG_FROM_SYSTEM, source); final int pid = Binder.getCallingPid(); final int uid = Binder.getCallingUid(); final long ident = Binder.clearCallingIdentity(); final int result = mInputManager.injectInputEvent(newEvent, pid, uid, sync ? InputManager.INPUT_EVENT_INJECTION_SYNC_WAIT_FOR_FINISH : InputManager.INPUT_EVENT_INJECTION_SYNC_WAIT_FOR_RESULT, INJECTION_TIMEOUT_MILLIS); Binder.restoreCallingIdentity(ident); return reportInjectionResult(result); } /** * Inject a pointer (touch) event into the UI. * Even when sync is false, this method may block while waiting for current * input events to be dispatched. * * @param ev A motion event describing the pointer (touch) action. (As noted in * {@link MotionEvent#obtain(long, long, int, float, float, int)}, be sure to use * {@link SystemClock#uptimeMillis()} as the timebase.) * @param sync If true, wait for the event to be completed before returning to the caller. * @return Returns true if event was dispatched, false if it was dropped for any reason */ public boolean injectPointerEvent(MotionEvent ev, boolean sync) { final int pid = Binder.getCallingPid(); final int uid = Binder.getCallingUid(); final long ident = Binder.clearCallingIdentity(); MotionEvent newEvent = MotionEvent.obtain(ev); if ((newEvent.getSource() & InputDevice.SOURCE_CLASS_POINTER) == 0) { newEvent.setSource(InputDevice.SOURCE_TOUCHSCREEN); } final int result = mInputManager.injectInputEvent(newEvent, pid, uid, sync ? InputManager.INPUT_EVENT_INJECTION_SYNC_WAIT_FOR_FINISH : InputManager.INPUT_EVENT_INJECTION_SYNC_WAIT_FOR_RESULT, INJECTION_TIMEOUT_MILLIS); Binder.restoreCallingIdentity(ident); return reportInjectionResult(result); } /** * Inject a trackball (navigation device) event into the UI. * Even when sync is false, this method may block while waiting for current * input events to be dispatched. * * @param ev A motion event describing the trackball action. (As noted in * {@link MotionEvent#obtain(long, long, int, float, float, int)}, be sure to use * {@link SystemClock#uptimeMillis()} as the timebase.) * @param sync If true, wait for the event to be completed before returning to the caller. * @return Returns true if event was dispatched, false if it was dropped for any reason */ public boolean injectTrackballEvent(MotionEvent ev, boolean sync) { final int pid = Binder.getCallingPid(); final int uid = Binder.getCallingUid(); final long ident = Binder.clearCallingIdentity(); MotionEvent newEvent = MotionEvent.obtain(ev); if ((newEvent.getSource() & InputDevice.SOURCE_CLASS_TRACKBALL) == 0) { newEvent.setSource(InputDevice.SOURCE_TRACKBALL); } final int result = mInputManager.injectInputEvent(newEvent, pid, uid, sync ? InputManager.INPUT_EVENT_INJECTION_SYNC_WAIT_FOR_FINISH : InputManager.INPUT_EVENT_INJECTION_SYNC_WAIT_FOR_RESULT, INJECTION_TIMEOUT_MILLIS); Binder.restoreCallingIdentity(ident); return reportInjectionResult(result); } /** * Inject an input event into the UI without waiting for dispatch to commence. * This variant is useful for fire-and-forget input event injection. It does not * block any longer than it takes to enqueue the input event. * * @param ev An input event. (Be sure to set the input source correctly.) * @return Returns true if event was dispatched, false if it was dropped for any reason */ public boolean injectInputEventNoWait(InputEvent ev) { final int pid = Binder.getCallingPid(); final int uid = Binder.getCallingUid(); final long ident = Binder.clearCallingIdentity(); final int result = mInputManager.injectInputEvent(ev, pid, uid, InputManager.INPUT_EVENT_INJECTION_SYNC_NONE, INJECTION_TIMEOUT_MILLIS); Binder.restoreCallingIdentity(ident); return reportInjectionResult(result); } private boolean reportInjectionResult(int result) { switch (result) { case InputManager.INPUT_EVENT_INJECTION_PERMISSION_DENIED: Slog.w(TAG, "Input event injection permission denied."); throw new SecurityException( "Injecting to another application requires INJECT_EVENTS permission"); case InputManager.INPUT_EVENT_INJECTION_SUCCEEDED: //Slog.v(TAG, "Input event injection succeeded."); return true; case InputManager.INPUT_EVENT_INJECTION_TIMED_OUT: Slog.w(TAG, "Input event injection timed out."); return false; case InputManager.INPUT_EVENT_INJECTION_FAILED: default: Slog.w(TAG, "Input event injection failed."); return false; } } /** * Temporarily set the pointer speed. Does not save the new setting. * Used by the settings application. */ public void setPointerSpeed(int speed) { if (!checkCallingPermission(android.Manifest.permission.SET_POINTER_SPEED, "setPointerSpeed()")) { throw new SecurityException("Requires SET_POINTER_SPEED permission"); } mInputManager.setPointerSpeed(speed); } private WindowState getFocusedWindow() { synchronized (mWindowMap) { return getFocusedWindowLocked(); } } private WindowState getFocusedWindowLocked() { return mCurrentFocus; } public boolean detectSafeMode() { if (!mInputMonitor.waitForInputDevicesReady( INPUT_DEVICES_READY_FOR_SAFE_MODE_DETECTION_TIMEOUT_MILLIS)) { Slog.w(TAG, "Devices still not ready after waiting " + INPUT_DEVICES_READY_FOR_SAFE_MODE_DETECTION_TIMEOUT_MILLIS + " milliseconds before attempting to detect safe mode."); } mSafeMode = mPolicy.detectSafeMode(); return mSafeMode; } public void displayReady() { synchronized(mWindowMap) { if (mDisplay != null) { throw new IllegalStateException("Display already initialized"); } WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE); mDisplay = wm.getDefaultDisplay(); synchronized(mDisplaySizeLock) { mInitialDisplayWidth = mDisplay.getRawWidth(); mInitialDisplayHeight = mDisplay.getRawHeight(); int rot = mDisplay.getRotation(); if (rot == Surface.ROTATION_90 || rot == Surface.ROTATION_270) { // If the screen is currently rotated, we need to swap the // initial width and height to get the true natural values. int tmp = mInitialDisplayWidth; mInitialDisplayWidth = mInitialDisplayHeight; mInitialDisplayHeight = tmp; } mBaseDisplayWidth = mCurDisplayWidth = mAppDisplayWidth = mInitialDisplayWidth; mBaseDisplayHeight = mCurDisplayHeight = mAppDisplayHeight = mInitialDisplayHeight; } mInputManager.setDisplaySize(Display.DEFAULT_DISPLAY, mDisplay.getRawWidth(), mDisplay.getRawHeight(), mDisplay.getRawExternalWidth(), mDisplay.getRawExternalHeight()); mPolicy.setInitialDisplaySize(mInitialDisplayWidth, mInitialDisplayHeight); } try { mActivityManager.updateConfiguration(null); } catch (RemoteException e) { } synchronized (mWindowMap) { readForcedDisplaySizeLocked(); } } public void systemReady() { mPolicy.systemReady(); } // This is an animation that does nothing: it just immediately finishes // itself every time it is called. It is used as a stub animation in cases // where we want to synchronize multiple things that may be animating. static final class DummyAnimation extends Animation { public boolean getTransformation(long currentTime, Transformation outTransformation) { return false; } } static final Animation sDummyAnimation = new DummyAnimation(); // ------------------------------------------------------------- // Async Handler // ------------------------------------------------------------- final class H extends Handler { public static final int REPORT_FOCUS_CHANGE = 2; public static final int REPORT_LOSING_FOCUS = 3; public static final int ANIMATE = 4; public static final int ADD_STARTING = 5; public static final int REMOVE_STARTING = 6; public static final int FINISHED_STARTING = 7; public static final int REPORT_APPLICATION_TOKEN_WINDOWS = 8; public static final int REPORT_APPLICATION_TOKEN_DRAWN = 9; public static final int WINDOW_FREEZE_TIMEOUT = 11; public static final int HOLD_SCREEN_CHANGED = 12; public static final int APP_TRANSITION_TIMEOUT = 13; public static final int PERSIST_ANIMATION_SCALE = 14; public static final int FORCE_GC = 15; public static final int ENABLE_SCREEN = 16; public static final int APP_FREEZE_TIMEOUT = 17; public static final int SEND_NEW_CONFIGURATION = 18; public static final int REPORT_WINDOWS_CHANGE = 19; public static final int DRAG_START_TIMEOUT = 20; public static final int DRAG_END_TIMEOUT = 21; public static final int REPORT_HARD_KEYBOARD_STATUS_CHANGE = 22; public static final int BOOT_TIMEOUT = 23; public static final int WAITING_FOR_DRAWN_TIMEOUT = 24; private Session mLastReportedHold; public H() { } @Override public void handleMessage(Message msg) { switch (msg.what) { case REPORT_FOCUS_CHANGE: { WindowState lastFocus; WindowState newFocus; synchronized(mWindowMap) { lastFocus = mLastFocus; newFocus = mCurrentFocus; if (lastFocus == newFocus) { // Focus is not changing, so nothing to do. return; } mLastFocus = newFocus; //Slog.i(TAG, "Focus moving from " + lastFocus // + " to " + newFocus); if (newFocus != null && lastFocus != null && !newFocus.isDisplayedLw()) { //Slog.i(TAG, "Delaying loss of focus..."); mLosingFocus.add(lastFocus); lastFocus = null; } } if (lastFocus != newFocus) { //System.out.println("Changing focus from " + lastFocus // + " to " + newFocus); if (newFocus != null) { try { //Slog.i(TAG, "Gaining focus: " + newFocus); newFocus.mClient.windowFocusChanged(true, mInTouchMode); } catch (RemoteException e) { // Ignore if process has died. } notifyFocusChanged(); } if (lastFocus != null) { try { //Slog.i(TAG, "Losing focus: " + lastFocus); lastFocus.mClient.windowFocusChanged(false, mInTouchMode); } catch (RemoteException e) { // Ignore if process has died. } } } } break; case REPORT_LOSING_FOCUS: { ArrayList<WindowState> losers; synchronized(mWindowMap) { losers = mLosingFocus; mLosingFocus = new ArrayList<WindowState>(); } final int N = losers.size(); for (int i=0; i<N; i++) { try { //Slog.i(TAG, "Losing delayed focus: " + losers.get(i)); losers.get(i).mClient.windowFocusChanged(false, mInTouchMode); } catch (RemoteException e) { // Ignore if process has died. } } } break; case ANIMATE: { synchronized(mWindowMap) { mAnimationPending = false; performLayoutAndPlaceSurfacesLocked(); } } break; case ADD_STARTING: { final AppWindowToken wtoken = (AppWindowToken)msg.obj; final StartingData sd = wtoken.startingData; if (sd == null) { // Animation has been canceled... do nothing. return; } if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Add starting " + wtoken + ": pkg=" + sd.pkg); View view = null; try { view = mPolicy.addStartingWindow( wtoken.token, sd.pkg, sd.theme, sd.compatInfo, sd.nonLocalizedLabel, sd.labelRes, sd.icon, sd.windowFlags); } catch (Exception e) { Slog.w(TAG, "Exception when adding starting window", e); } if (view != null) { boolean abort = false; synchronized(mWindowMap) { if (wtoken.removed || wtoken.startingData == null) { // If the window was successfully added, then // we need to remove it. if (wtoken.startingWindow != null) { if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Aborted starting " + wtoken + ": removed=" + wtoken.removed + " startingData=" + wtoken.startingData); wtoken.startingWindow = null; wtoken.startingData = null; abort = true; } } else { wtoken.startingView = view; } if (DEBUG_STARTING_WINDOW && !abort) Slog.v(TAG, "Added starting " + wtoken + ": startingWindow=" + wtoken.startingWindow + " startingView=" + wtoken.startingView); } if (abort) { try { mPolicy.removeStartingWindow(wtoken.token, view); } catch (Exception e) { Slog.w(TAG, "Exception when removing starting window", e); } } } } break; case REMOVE_STARTING: { final AppWindowToken wtoken = (AppWindowToken)msg.obj; IBinder token = null; View view = null; synchronized (mWindowMap) { if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Remove starting " + wtoken + ": startingWindow=" + wtoken.startingWindow + " startingView=" + wtoken.startingView); if (wtoken.startingWindow != null) { view = wtoken.startingView; token = wtoken.token; wtoken.startingData = null; wtoken.startingView = null; wtoken.startingWindow = null; } } if (view != null) { try { mPolicy.removeStartingWindow(token, view); } catch (Exception e) { Slog.w(TAG, "Exception when removing starting window", e); } } } break; case FINISHED_STARTING: { IBinder token = null; View view = null; while (true) { synchronized (mWindowMap) { final int N = mFinishedStarting.size(); if (N <= 0) { break; } AppWindowToken wtoken = mFinishedStarting.remove(N-1); if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Finished starting " + wtoken + ": startingWindow=" + wtoken.startingWindow + " startingView=" + wtoken.startingView); if (wtoken.startingWindow == null) { continue; } view = wtoken.startingView; token = wtoken.token; wtoken.startingData = null; wtoken.startingView = null; wtoken.startingWindow = null; } try { mPolicy.removeStartingWindow(token, view); } catch (Exception e) { Slog.w(TAG, "Exception when removing starting window", e); } } } break; case REPORT_APPLICATION_TOKEN_DRAWN: { final AppWindowToken wtoken = (AppWindowToken)msg.obj; try { if (DEBUG_VISIBILITY) Slog.v( TAG, "Reporting drawn in " + wtoken); wtoken.appToken.windowsDrawn(); } catch (RemoteException ex) { } } break; case REPORT_APPLICATION_TOKEN_WINDOWS: { final AppWindowToken wtoken = (AppWindowToken)msg.obj; boolean nowVisible = msg.arg1 != 0; boolean nowGone = msg.arg2 != 0; try { if (DEBUG_VISIBILITY) Slog.v( TAG, "Reporting visible in " + wtoken + " visible=" + nowVisible + " gone=" + nowGone); if (nowVisible) { wtoken.appToken.windowsVisible(); } else { wtoken.appToken.windowsGone(); } } catch (RemoteException ex) { } } break; case WINDOW_FREEZE_TIMEOUT: { synchronized (mWindowMap) { Slog.w(TAG, "Window freeze timeout expired."); int i = mWindows.size(); while (i > 0) { i--; WindowState w = mWindows.get(i); if (w.mOrientationChanging) { w.mOrientationChanging = false; Slog.w(TAG, "Force clearing orientation change: " + w); } } performLayoutAndPlaceSurfacesLocked(); } break; } case HOLD_SCREEN_CHANGED: { Session oldHold; Session newHold; synchronized (mWindowMap) { oldHold = mLastReportedHold; newHold = (Session)msg.obj; mLastReportedHold = newHold; } if (oldHold != newHold) { try { if (oldHold != null) { mBatteryStats.noteStopWakelock(oldHold.mUid, -1, "window", BatteryStats.WAKE_TYPE_WINDOW); } if (newHold != null) { mBatteryStats.noteStartWakelock(newHold.mUid, -1, "window", BatteryStats.WAKE_TYPE_WINDOW); } } catch (RemoteException e) { } } break; } case APP_TRANSITION_TIMEOUT: { synchronized (mWindowMap) { if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) { if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "*** APP TRANSITION TIMEOUT"); mAppTransitionReady = true; mAppTransitionTimeout = true; performLayoutAndPlaceSurfacesLocked(); } } break; } case PERSIST_ANIMATION_SCALE: { Settings.System.putFloat(mContext.getContentResolver(), Settings.System.WINDOW_ANIMATION_SCALE, mWindowAnimationScale); Settings.System.putFloat(mContext.getContentResolver(), Settings.System.TRANSITION_ANIMATION_SCALE, mTransitionAnimationScale); break; } case FORCE_GC: { synchronized(mWindowMap) { if (mAnimationPending) { // If we are animating, don't do the gc now but // delay a bit so we don't interrupt the animation. mH.sendMessageDelayed(mH.obtainMessage(H.FORCE_GC), 2000); return; } // If we are currently rotating the display, it will // schedule a new message when done. if (mDisplayFrozen) { return; } } Runtime.getRuntime().gc(); break; } case ENABLE_SCREEN: { performEnableScreen(); break; } case APP_FREEZE_TIMEOUT: { synchronized (mWindowMap) { Slog.w(TAG, "App freeze timeout expired."); int i = mAppTokens.size(); while (i > 0) { i--; AppWindowToken tok = mAppTokens.get(i); if (tok.freezingScreen) { Slog.w(TAG, "Force clearing freeze: " + tok); unsetAppFreezingScreenLocked(tok, true, true); } } } break; } case SEND_NEW_CONFIGURATION: { removeMessages(SEND_NEW_CONFIGURATION); sendNewConfiguration(); break; } case REPORT_WINDOWS_CHANGE: { if (mWindowsChanged) { synchronized (mWindowMap) { mWindowsChanged = false; } notifyWindowsChanged(); } break; } case DRAG_START_TIMEOUT: { IBinder win = (IBinder)msg.obj; if (DEBUG_DRAG) { Slog.w(TAG, "Timeout starting drag by win " + win); } synchronized (mWindowMap) { // !!! TODO: ANR the app that has failed to start the drag in time if (mDragState != null) { mDragState.unregister(); mInputMonitor.updateInputWindowsLw(true /*force*/); mDragState.reset(); mDragState = null; } } break; } case DRAG_END_TIMEOUT: { IBinder win = (IBinder)msg.obj; if (DEBUG_DRAG) { Slog.w(TAG, "Timeout ending drag to win " + win); } synchronized (mWindowMap) { // !!! TODO: ANR the drag-receiving app if (mDragState != null) { mDragState.mDragResult = false; mDragState.endDragLw(); } } break; } case REPORT_HARD_KEYBOARD_STATUS_CHANGE: { notifyHardKeyboardStatusChange(); break; } case BOOT_TIMEOUT: { performBootTimeout(); break; } case WAITING_FOR_DRAWN_TIMEOUT: { Pair<WindowState, IRemoteCallback> pair; synchronized (mWindowMap) { pair = (Pair<WindowState, IRemoteCallback>)msg.obj; Slog.w(TAG, "Timeout waiting for drawn: " + pair.first); if (!mWaitingForDrawn.remove(pair)) { return; } } try { pair.second.sendResult(null); } catch (RemoteException e) { } break; } } } } // ------------------------------------------------------------- // IWindowManager API // ------------------------------------------------------------- public IWindowSession openSession(IInputMethodClient client, IInputContext inputContext) { if (client == null) throw new IllegalArgumentException("null client"); if (inputContext == null) throw new IllegalArgumentException("null inputContext"); Session session = new Session(this, client, inputContext); return session; } public boolean inputMethodClientHasFocus(IInputMethodClient client) { synchronized (mWindowMap) { // The focus for the client is the window immediately below // where we would place the input method window. int idx = findDesiredInputMethodWindowIndexLocked(false); WindowState imFocus; if (idx > 0) { imFocus = mWindows.get(idx-1); //Log.i(TAG, "Desired input method target: " + imFocus); //Log.i(TAG, "Current focus: " + this.mCurrentFocus); //Log.i(TAG, "Last focus: " + this.mLastFocus); if (imFocus != null) { // This may be a starting window, in which case we still want // to count it as okay. if (imFocus.mAttrs.type == LayoutParams.TYPE_APPLICATION_STARTING && imFocus.mAppToken != null) { // The client has definitely started, so it really should // have a window in this app token. Let's look for it. for (int i=0; i<imFocus.mAppToken.windows.size(); i++) { WindowState w = imFocus.mAppToken.windows.get(i); if (w != imFocus) { //Log.i(TAG, "Switching to real app window: " + w); imFocus = w; break; } } } //Log.i(TAG, "IM target client: " + imFocus.mSession.mClient); //if (imFocus.mSession.mClient != null) { // Log.i(TAG, "IM target client binder: " + imFocus.mSession.mClient.asBinder()); // Log.i(TAG, "Requesting client binder: " + client.asBinder()); //} if (imFocus.mSession.mClient != null && imFocus.mSession.mClient.asBinder() == client.asBinder()) { return true; } // Okay, how about this... what is the current focus? // It seems in some cases we may not have moved the IM // target window, such as when it was in a pop-up window, // so let's also look at the current focus. (An example: // go to Gmail, start searching so the keyboard goes up, // press home. Sometimes the IME won't go down.) // Would be nice to fix this more correctly, but it's // way at the end of a release, and this should be good enough. if (mCurrentFocus != null && mCurrentFocus.mSession.mClient != null && mCurrentFocus.mSession.mClient.asBinder() == client.asBinder()) { return true; } } } } return false; } public void getDisplaySize(Point size) { synchronized(mDisplaySizeLock) { size.x = mAppDisplayWidth; size.y = mAppDisplayHeight; } } public void getRealDisplaySize(Point size) { synchronized(mDisplaySizeLock) { size.x = mCurDisplayWidth; size.y = mCurDisplayHeight; } } public void getInitialDisplaySize(Point size) { synchronized(mDisplaySizeLock) { size.x = mInitialDisplayWidth; size.y = mInitialDisplayHeight; } } public int getMaximumSizeDimension() { synchronized(mDisplaySizeLock) { // Do this based on the raw screen size, until we are smarter. return mBaseDisplayWidth > mBaseDisplayHeight ? mBaseDisplayWidth : mBaseDisplayHeight; } } public void setForcedDisplaySize(int longDimen, int shortDimen) { synchronized(mWindowMap) { int width, height; if (mInitialDisplayWidth < mInitialDisplayHeight) { width = shortDimen < mInitialDisplayWidth ? shortDimen : mInitialDisplayWidth; height = longDimen < mInitialDisplayHeight ? longDimen : mInitialDisplayHeight; } else { width = longDimen < mInitialDisplayWidth ? longDimen : mInitialDisplayWidth; height = shortDimen < mInitialDisplayHeight ? shortDimen : mInitialDisplayHeight; } setForcedDisplaySizeLocked(width, height); Settings.Secure.putString(mContext.getContentResolver(), Settings.Secure.DISPLAY_SIZE_FORCED, width + "," + height); } } private void rebuildBlackFrame(boolean inTransaction) { if (!inTransaction) { if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG, ">>> OPEN TRANSACTION rebuildBlackFrame"); Surface.openTransaction(); } try { if (mBlackFrame != null) { mBlackFrame.kill(); mBlackFrame = null; } if (mBaseDisplayWidth < mInitialDisplayWidth || mBaseDisplayHeight < mInitialDisplayHeight) { int initW, initH, baseW, baseH; final boolean rotated = (mRotation == Surface.ROTATION_90 || mRotation == Surface.ROTATION_270); if (rotated) { initW = mInitialDisplayHeight; initH = mInitialDisplayWidth; baseW = mBaseDisplayHeight; baseH = mBaseDisplayWidth; } else { initW = mInitialDisplayWidth; initH = mInitialDisplayHeight; baseW = mBaseDisplayWidth; baseH = mBaseDisplayHeight; } Rect outer = new Rect(0, 0, initW, initH); Rect inner = new Rect(0, 0, baseW, baseH); try { mBlackFrame = new BlackFrame(mFxSession, outer, inner, MASK_LAYER); } catch (Surface.OutOfResourcesException e) { } } } finally { if (!inTransaction) { Surface.closeTransaction(); if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG, "<<< CLOSE TRANSACTION rebuildBlackFrame"); } } } private void readForcedDisplaySizeLocked() { final String str = Settings.Secure.getString(mContext.getContentResolver(), Settings.Secure.DISPLAY_SIZE_FORCED); if (str == null || str.length() == 0) { return; } final int pos = str.indexOf(','); if (pos <= 0 || str.lastIndexOf(',') != pos) { return; } int width, height; try { width = Integer.parseInt(str.substring(0, pos)); height = Integer.parseInt(str.substring(pos+1)); } catch (NumberFormatException ex) { return; } setForcedDisplaySizeLocked(width, height); } private void setForcedDisplaySizeLocked(int width, int height) { Slog.i(TAG, "Using new display size: " + width + "x" + height); synchronized(mDisplaySizeLock) { mBaseDisplayWidth = width; mBaseDisplayHeight = height; } mPolicy.setInitialDisplaySize(mBaseDisplayWidth, mBaseDisplayHeight); mLayoutNeeded = true; boolean configChanged = updateOrientationFromAppTokensLocked(false); mTempConfiguration.setToDefaults(); mTempConfiguration.fontScale = mCurConfiguration.fontScale; if (computeNewConfigurationLocked(mTempConfiguration)) { if (mCurConfiguration.diff(mTempConfiguration) != 0) { configChanged = true; } } if (configChanged) { mWaitingForConfig = true; startFreezingDisplayLocked(false); mH.sendEmptyMessage(H.SEND_NEW_CONFIGURATION); } rebuildBlackFrame(false); performLayoutAndPlaceSurfacesLocked(); } public void clearForcedDisplaySize() { synchronized(mWindowMap) { setForcedDisplaySizeLocked(mInitialDisplayWidth, mInitialDisplayHeight); Settings.Secure.putString(mContext.getContentResolver(), Settings.Secure.DISPLAY_SIZE_FORCED, ""); } } public boolean canStatusBarHide() { return mPolicy.canStatusBarHide(); } // ------------------------------------------------------------- // Internals // ------------------------------------------------------------- final WindowState windowForClientLocked(Session session, IWindow client, boolean throwOnError) { return windowForClientLocked(session, client.asBinder(), throwOnError); } final WindowState windowForClientLocked(Session session, IBinder client, boolean throwOnError) { WindowState win = mWindowMap.get(client); if (localLOGV) Slog.v( TAG, "Looking up client " + client + ": " + win); if (win == null) { RuntimeException ex = new IllegalArgumentException( "Requested window " + client + " does not exist"); if (throwOnError) { throw ex; } Slog.w(TAG, "Failed looking up window", ex); return null; } if (session != null && win.mSession != session) { RuntimeException ex = new IllegalArgumentException( "Requested window " + client + " is in session " + win.mSession + ", not " + session); if (throwOnError) { throw ex; } Slog.w(TAG, "Failed looking up window", ex); return null; } return win; } final void rebuildAppWindowListLocked() { int NW = mWindows.size(); int i; int lastWallpaper = -1; int numRemoved = 0; if (mRebuildTmp.length < NW) { mRebuildTmp = new WindowState[NW+10]; } // First remove all existing app windows. i=0; while (i < NW) { WindowState w = mWindows.get(i); if (w.mAppToken != null) { WindowState win = mWindows.remove(i); win.mRebuilding = true; mRebuildTmp[numRemoved] = win; mWindowsChanged = true; if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Rebuild removing window: " + win); NW--; numRemoved++; continue; } else if (w.mAttrs.type == WindowManager.LayoutParams.TYPE_WALLPAPER && lastWallpaper == i-1) { lastWallpaper = i; } i++; } // The wallpaper window(s) typically live at the bottom of the stack, // so skip them before adding app tokens. lastWallpaper++; i = lastWallpaper; // First add all of the exiting app tokens... these are no longer // in the main app list, but still have windows shown. We put them // in the back because now that the animation is over we no longer // will care about them. int NT = mExitingAppTokens.size(); for (int j=0; j<NT; j++) { i = reAddAppWindowsLocked(i, mExitingAppTokens.get(j)); } // And add in the still active app tokens in Z order. NT = mAppTokens.size(); for (int j=0; j<NT; j++) { i = reAddAppWindowsLocked(i, mAppTokens.get(j)); } i -= lastWallpaper; if (i != numRemoved) { Slog.w(TAG, "Rebuild removed " + numRemoved + " windows but added " + i); for (i=0; i<numRemoved; i++) { WindowState ws = mRebuildTmp[i]; if (ws.mRebuilding) { StringWriter sw = new StringWriter(); PrintWriter pw = new PrintWriter(sw); ws.dump(pw, "", true); pw.flush(); Slog.w(TAG, "This window was lost: " + ws); Slog.w(TAG, sw.toString()); } } Slog.w(TAG, "Current app token list:"); dumpAppTokensLocked(); Slog.w(TAG, "Final window list:"); dumpWindowsLocked(); } } private final void assignLayersLocked() { int N = mWindows.size(); int curBaseLayer = 0; int curLayer = 0; int i; if (DEBUG_LAYERS) { RuntimeException here = new RuntimeException("here"); here.fillInStackTrace(); Slog.v(TAG, "Assigning layers", here); } for (i=0; i<N; i++) { WindowState w = mWindows.get(i); if (w.mBaseLayer == curBaseLayer || w.mIsImWindow || (i > 0 && w.mIsWallpaper)) { curLayer += WINDOW_LAYER_MULTIPLIER; w.mLayer = curLayer; } else { curBaseLayer = curLayer = w.mBaseLayer; w.mLayer = curLayer; } if (w.mTargetAppToken != null) { w.mAnimLayer = w.mLayer + w.mTargetAppToken.animLayerAdjustment; } else if (w.mAppToken != null) { w.mAnimLayer = w.mLayer + w.mAppToken.animLayerAdjustment; } else { w.mAnimLayer = w.mLayer; } if (w.mIsImWindow) { w.mAnimLayer += mInputMethodAnimLayerAdjustment; } else if (w.mIsWallpaper) { w.mAnimLayer += mWallpaperAnimLayerAdjustment; } if (DEBUG_LAYERS) Slog.v(TAG, "Assign layer " + w + ": " + w.mAnimLayer); //System.out.println( // "Assigned layer " + curLayer + " to " + w.mClient.asBinder()); } } private boolean mInLayout = false; private final void performLayoutAndPlaceSurfacesLocked() { if (mInLayout) { if (DEBUG) { throw new RuntimeException("Recursive call!"); } Slog.w(TAG, "performLayoutAndPlaceSurfacesLocked called while in layout"); return; } if (mWaitingForConfig) { // Our configuration has changed (most likely rotation), but we // don't yet have the complete configuration to report to // applications. Don't do any window layout until we have it. return; } if (mDisplay == null) { // Not yet initialized, nothing to do. return; } mInLayout = true; boolean recoveringMemory = false; try { if (mForceRemoves != null) { recoveringMemory = true; // Wait a little bit for things to settle down, and off we go. for (int i=0; i<mForceRemoves.size(); i++) { WindowState ws = mForceRemoves.get(i); Slog.i(TAG, "Force removing: " + ws); removeWindowInnerLocked(ws.mSession, ws); } mForceRemoves = null; Slog.w(TAG, "Due to memory failure, waiting a bit for next layout"); Object tmp = new Object(); synchronized (tmp) { try { tmp.wait(250); } catch (InterruptedException e) { } } } } catch (RuntimeException e) { Log.wtf(TAG, "Unhandled exception while force removing for memory", e); } try { performLayoutAndPlaceSurfacesLockedInner(recoveringMemory); int N = mPendingRemove.size(); if (N > 0) { if (mPendingRemoveTmp.length < N) { mPendingRemoveTmp = new WindowState[N+10]; } mPendingRemove.toArray(mPendingRemoveTmp); mPendingRemove.clear(); for (int i=0; i<N; i++) { WindowState w = mPendingRemoveTmp[i]; removeWindowInnerLocked(w.mSession, w); } mInLayout = false; assignLayersLocked(); mLayoutNeeded = true; performLayoutAndPlaceSurfacesLocked(); } else { mInLayout = false; if (mLayoutNeeded) { requestAnimationLocked(0); } } if (mWindowsChanged && !mWindowChangeListeners.isEmpty()) { mH.removeMessages(H.REPORT_WINDOWS_CHANGE); mH.sendMessage(mH.obtainMessage(H.REPORT_WINDOWS_CHANGE)); } } catch (RuntimeException e) { mInLayout = false; Log.wtf(TAG, "Unhandled exception while laying out windows", e); } } private final int performLayoutLockedInner(boolean initial, boolean updateInputWindows) { if (!mLayoutNeeded) { return 0; } mLayoutNeeded = false; final int dw = mCurDisplayWidth; final int dh = mCurDisplayHeight; final int NFW = mFakeWindows.size(); for (int i=0; i<NFW; i++) { mFakeWindows.get(i).layout(dw, dh); } final int N = mWindows.size(); int i; if (DEBUG_LAYOUT) { Slog.v(TAG, "-------------------------------------"); Slog.v(TAG, "performLayout: needed=" + mLayoutNeeded + " dw=" + dw + " dh=" + dh); } mPolicy.beginLayoutLw(dw, dh, mRotation); int seq = mLayoutSeq+1; if (seq < 0) seq = 0; mLayoutSeq = seq; // First perform layout of any root windows (not attached // to another window). int topAttached = -1; for (i = N-1; i >= 0; i--) { WindowState win = mWindows.get(i); // Don't do layout of a window if it is not visible, or // soon won't be visible, to avoid wasting time and funky // changes while a window is animating away. final boolean gone = win.isGoneForLayoutLw(); if (DEBUG_LAYOUT && !win.mLayoutAttached) { Slog.v(TAG, "1ST PASS " + win + ": gone=" + gone + " mHaveFrame=" + win.mHaveFrame + " mLayoutAttached=" + win.mLayoutAttached); final AppWindowToken atoken = win.mAppToken; if (gone) Slog.v(TAG, " GONE: mViewVisibility=" + win.mViewVisibility + " mRelayoutCalled=" + win.mRelayoutCalled + " hidden=" + win.mRootToken.hidden + " hiddenRequested=" + (atoken != null && atoken.hiddenRequested) + " mAttachedHidden=" + win.mAttachedHidden); else Slog.v(TAG, " VIS: mViewVisibility=" + win.mViewVisibility + " mRelayoutCalled=" + win.mRelayoutCalled + " hidden=" + win.mRootToken.hidden + " hiddenRequested=" + (atoken != null && atoken.hiddenRequested) + " mAttachedHidden=" + win.mAttachedHidden); } // If this view is GONE, then skip it -- keep the current // frame, and let the caller know so they can ignore it // if they want. (We do the normal layout for INVISIBLE // windows, since that means "perform layout as normal, // just don't display"). if (!gone || !win.mHaveFrame || win.mLayoutNeeded) { if (!win.mLayoutAttached) { if (initial) { //Slog.i(TAG, "Window " + this + " clearing mContentChanged - initial"); win.mContentChanged = false; } win.mLayoutNeeded = false; win.prelayout(); mPolicy.layoutWindowLw(win, win.mAttrs, null); win.mLayoutSeq = seq; if (DEBUG_LAYOUT) Slog.v(TAG, " LAYOUT: mFrame=" + win.mFrame + " mContainingFrame=" + win.mContainingFrame + " mDisplayFrame=" + win.mDisplayFrame); } else { if (topAttached < 0) topAttached = i; } } } // Now perform layout of attached windows, which usually // depend on the position of the window they are attached to. // XXX does not deal with windows that are attached to windows // that are themselves attached. for (i = topAttached; i >= 0; i--) { WindowState win = mWindows.get(i); if (win.mLayoutAttached) { if (DEBUG_LAYOUT) Slog.v(TAG, "2ND PASS " + win + " mHaveFrame=" + win.mHaveFrame + " mViewVisibility=" + win.mViewVisibility + " mRelayoutCalled=" + win.mRelayoutCalled); // If this view is GONE, then skip it -- keep the current // frame, and let the caller know so they can ignore it // if they want. (We do the normal layout for INVISIBLE // windows, since that means "perform layout as normal, // just don't display"). if ((win.mViewVisibility != View.GONE && win.mRelayoutCalled) || !win.mHaveFrame || win.mLayoutNeeded) { if (initial) { //Slog.i(TAG, "Window " + this + " clearing mContentChanged - initial"); win.mContentChanged = false; } win.mLayoutNeeded = false; win.prelayout(); mPolicy.layoutWindowLw(win, win.mAttrs, win.mAttachedWindow); win.mLayoutSeq = seq; if (DEBUG_LAYOUT) Slog.v(TAG, " LAYOUT: mFrame=" + win.mFrame + " mContainingFrame=" + win.mContainingFrame + " mDisplayFrame=" + win.mDisplayFrame); } } } // Window frames may have changed. Tell the input dispatcher about it. mInputMonitor.setUpdateInputWindowsNeededLw(); if (updateInputWindows) { mInputMonitor.updateInputWindowsLw(false /*force*/); } return mPolicy.finishLayoutLw(); } void makeWindowFreezingScreenIfNeededLocked(WindowState w) { // If the screen is currently frozen or off, then keep // it frozen/off until this window draws at its new // orientation. if (mDisplayFrozen || !mPolicy.isScreenOnFully()) { if (DEBUG_ORIENTATION) Slog.v(TAG, "Changing surface while display frozen: " + w); w.mOrientationChanging = true; if (!mWindowsFreezingScreen) { mWindowsFreezingScreen = true; // XXX should probably keep timeout from // when we first froze the display. mH.removeMessages(H.WINDOW_FREEZE_TIMEOUT); mH.sendMessageDelayed(mH.obtainMessage( H.WINDOW_FREEZE_TIMEOUT), 2000); } } } // "Something has changed! Let's make it correct now." private final void performLayoutAndPlaceSurfacesLockedInner( boolean recoveringMemory) { if (mDisplay == null) { Slog.i(TAG, "skipping performLayoutAndPlaceSurfacesLockedInner with no mDisplay"); return; } final long currentTime = SystemClock.uptimeMillis(); final int dw = mCurDisplayWidth; final int dh = mCurDisplayHeight; final int innerDw = mAppDisplayWidth; final int innerDh = mAppDisplayHeight; int i; if (mFocusMayChange) { mFocusMayChange = false; updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES, false /*updateInputWindows*/); } // Initialize state of exiting tokens. for (i=mExitingTokens.size()-1; i>=0; i--) { mExitingTokens.get(i).hasVisible = false; } // Initialize state of exiting applications. for (i=mExitingAppTokens.size()-1; i>=0; i--) { mExitingAppTokens.get(i).hasVisible = false; } boolean orientationChangeComplete = true; Session holdScreen = null; float screenBrightness = -1; float buttonBrightness = -1; boolean focusDisplayed = false; boolean animating = false; boolean createWatermark = false; boolean updateRotation = false; boolean screenRotationFinished = false; if (mFxSession == null) { mFxSession = new SurfaceSession(); createWatermark = true; } if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG, ">>> OPEN TRANSACTION performLayoutAndPlaceSurfaces"); Surface.openTransaction(); if (createWatermark) { createWatermark(); } if (mWatermark != null) { mWatermark.positionSurface(dw, dh); } if (mStrictModeFlash != null) { mStrictModeFlash.positionSurface(dw, dh); } try { boolean wallpaperForceHidingChanged = false; int repeats = 0; int changes = 0; do { repeats++; if (repeats > 6) { Slog.w(TAG, "Animation repeat aborted after too many iterations"); mLayoutNeeded = false; break; } if ((changes&(WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER | WindowManagerPolicy.FINISH_LAYOUT_REDO_CONFIG | WindowManagerPolicy.FINISH_LAYOUT_REDO_LAYOUT)) != 0) { if ((changes&WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER) != 0) { if ((adjustWallpaperWindowsLocked()&ADJUST_WALLPAPER_LAYERS_CHANGED) != 0) { assignLayersLocked(); mLayoutNeeded = true; } } if ((changes&WindowManagerPolicy.FINISH_LAYOUT_REDO_CONFIG) != 0) { if (DEBUG_LAYOUT) Slog.v(TAG, "Computing new config from layout"); if (updateOrientationFromAppTokensLocked(true)) { mLayoutNeeded = true; mH.sendEmptyMessage(H.SEND_NEW_CONFIGURATION); } } if ((changes&WindowManagerPolicy.FINISH_LAYOUT_REDO_LAYOUT) != 0) { mLayoutNeeded = true; } } // FIRST LOOP: Perform a layout, if needed. if (repeats < 4) { changes = performLayoutLockedInner(repeats == 0, false /*updateInputWindows*/); if (changes != 0) { continue; } } else { Slog.w(TAG, "Layout repeat skipped after too many iterations"); changes = 0; } final int transactionSequence = ++mTransactionSequence; // Update animations of all applications, including those // associated with exiting/removed apps boolean tokensAnimating = false; final int NAT = mAppTokens.size(); for (i=0; i<NAT; i++) { if (mAppTokens.get(i).stepAnimationLocked(currentTime, innerDw, innerDh)) { tokensAnimating = true; } } final int NEAT = mExitingAppTokens.size(); for (i=0; i<NEAT; i++) { if (mExitingAppTokens.get(i).stepAnimationLocked(currentTime, innerDw, innerDh)) { tokensAnimating = true; } } // SECOND LOOP: Execute animations and update visibility of windows. if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "*** ANIM STEP: seq=" + transactionSequence + " tokensAnimating=" + tokensAnimating); animating = tokensAnimating; if (mScreenRotationAnimation != null) { if (mScreenRotationAnimation.isAnimating()) { if (mScreenRotationAnimation.stepAnimation(currentTime)) { animating = true; } else { screenRotationFinished = true; updateRotation = true; } } } boolean tokenMayBeDrawn = false; boolean wallpaperMayChange = false; boolean forceHiding = false; WindowState windowDetachedWallpaper = null; WindowState windowAnimationBackground = null; int windowAnimationBackgroundColor = 0; mPolicy.beginAnimationLw(dw, dh); final int N = mWindows.size(); for (i=N-1; i>=0; i--) { WindowState w = mWindows.get(i); final WindowManager.LayoutParams attrs = w.mAttrs; if (w.mSurface != null) { // Take care of the window being ready to display. if (w.commitFinishDrawingLocked(currentTime)) { if ((w.mAttrs.flags & WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER) != 0) { if (DEBUG_WALLPAPER) Slog.v(TAG, "First draw done in potential wallpaper target " + w); wallpaperMayChange = true; } } final boolean wasAnimating = w.mAnimating; int animDw = innerDw; int animDh = innerDh; // If the window has moved due to its containing // content frame changing, then we'd like to animate // it. The checks here are ordered by what is least // likely to be true first. if (w.shouldAnimateMove()) { // Frame has moved, containing content frame // has also moved, and we're not currently animating... // let's do something. Animation a = AnimationUtils.loadAnimation(mContext, com.android.internal.R.anim.window_move_from_decor); w.setAnimation(a); animDw = w.mLastFrame.left - w.mFrame.left; animDh = w.mLastFrame.top - w.mFrame.top; } // Execute animation. final boolean nowAnimating = w.stepAnimationLocked(currentTime, animDw, animDh); // If this window is animating, make a note that we have // an animating window and take care of a request to run // a detached wallpaper animation. if (nowAnimating) { if (w.mAnimation != null) { if ((w.mAttrs.flags&FLAG_SHOW_WALLPAPER) != 0 && w.mAnimation.getDetachWallpaper()) { windowDetachedWallpaper = w; } if (w.mAnimation.getBackgroundColor() != 0) { if (windowAnimationBackground == null || w.mAnimLayer < windowAnimationBackground.mAnimLayer) { windowAnimationBackground = w; windowAnimationBackgroundColor = w.mAnimation.getBackgroundColor(); } } } animating = true; } // If this window's app token is running a detached wallpaper // animation, make a note so we can ensure the wallpaper is // displayed behind it. if (w.mAppToken != null && w.mAppToken.animation != null && w.mAppToken.animating) { if ((w.mAttrs.flags&FLAG_SHOW_WALLPAPER) != 0 && w.mAppToken.animation.getDetachWallpaper()) { windowDetachedWallpaper = w; } if (w.mAppToken.animation.getBackgroundColor() != 0) { if (windowAnimationBackground == null || w.mAnimLayer < windowAnimationBackground.mAnimLayer) { windowAnimationBackground = w; windowAnimationBackgroundColor = w.mAppToken.animation.getBackgroundColor(); } } } if (wasAnimating && !w.mAnimating && mWallpaperTarget == w) { wallpaperMayChange = true; } if (mPolicy.doesForceHide(w, attrs)) { if (!wasAnimating && nowAnimating) { if (DEBUG_VISIBILITY) Slog.v(TAG, "Animation started that could impact force hide: " + w); wallpaperForceHidingChanged = true; mFocusMayChange = true; } else if (w.isReadyForDisplay() && w.mAnimation == null) { forceHiding = true; } } else if (mPolicy.canBeForceHidden(w, attrs)) { boolean changed; if (forceHiding) { changed = w.hideLw(false, false); if (DEBUG_VISIBILITY && changed) Slog.v(TAG, "Now policy hidden: " + w); } else { changed = w.showLw(false, false); if (DEBUG_VISIBILITY && changed) Slog.v(TAG, "Now policy shown: " + w); if (changed) { if (wallpaperForceHidingChanged && w.isVisibleNow() /*w.isReadyForDisplay()*/) { // Assume we will need to animate. If // we don't (because the wallpaper will // stay with the lock screen), then we will // clean up later. Animation a = mPolicy.createForceHideEnterAnimation(); if (a != null) { w.setAnimation(a); } } if (mCurrentFocus == null || mCurrentFocus.mLayer < w.mLayer) { // We are showing on to of the current // focus, so re-evaluate focus to make // sure it is correct. mFocusMayChange = true; } } } if (changed && (attrs.flags & WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER) != 0) { wallpaperMayChange = true; } } mPolicy.animatingWindowLw(w, attrs); } final AppWindowToken atoken = w.mAppToken; if (atoken != null && (!atoken.allDrawn || atoken.freezingScreen)) { if (atoken.lastTransactionSequence != transactionSequence) { atoken.lastTransactionSequence = transactionSequence; atoken.numInterestingWindows = atoken.numDrawnWindows = 0; atoken.startingDisplayed = false; } if ((w.isOnScreen() || w.mAttrs.type == WindowManager.LayoutParams.TYPE_BASE_APPLICATION) && !w.mExiting && !w.mDestroying) { if (DEBUG_VISIBILITY || DEBUG_ORIENTATION) { Slog.v(TAG, "Eval win " + w + ": isDrawn=" + w.isDrawnLw() + ", isAnimating=" + w.isAnimating()); if (!w.isDrawnLw()) { Slog.v(TAG, "Not displayed: s=" + w.mSurface + " pv=" + w.mPolicyVisibility + " dp=" + w.mDrawPending + " cdp=" + w.mCommitDrawPending + " ah=" + w.mAttachedHidden + " th=" + atoken.hiddenRequested + " a=" + w.mAnimating); } } if (w != atoken.startingWindow) { if (!atoken.freezingScreen || !w.mAppFreezing) { atoken.numInterestingWindows++; if (w.isDrawnLw()) { atoken.numDrawnWindows++; if (DEBUG_VISIBILITY || DEBUG_ORIENTATION) Slog.v(TAG, "tokenMayBeDrawn: " + atoken + " freezingScreen=" + atoken.freezingScreen + " mAppFreezing=" + w.mAppFreezing); tokenMayBeDrawn = true; } } } else if (w.isDrawnLw()) { atoken.startingDisplayed = true; } } } else if (w.mReadyToShow) { w.performShowLocked(); } } changes |= mPolicy.finishAnimationLw(); if (tokenMayBeDrawn) { // See if any windows have been drawn, so they (and others // associated with them) can now be shown. final int NT = mAppTokens.size(); for (i=0; i<NT; i++) { AppWindowToken wtoken = mAppTokens.get(i); if (wtoken.freezingScreen) { int numInteresting = wtoken.numInterestingWindows; if (numInteresting > 0 && wtoken.numDrawnWindows >= numInteresting) { if (DEBUG_VISIBILITY) Slog.v(TAG, "allDrawn: " + wtoken + " interesting=" + numInteresting + " drawn=" + wtoken.numDrawnWindows); wtoken.showAllWindowsLocked(); unsetAppFreezingScreenLocked(wtoken, false, true); if (DEBUG_ORIENTATION) Slog.i(TAG, "Setting orientationChangeComplete=true because wtoken " + wtoken + " numInteresting=" + numInteresting + " numDrawn=" + wtoken.numDrawnWindows); orientationChangeComplete = true; } } else if (!wtoken.allDrawn) { int numInteresting = wtoken.numInterestingWindows; if (numInteresting > 0 && wtoken.numDrawnWindows >= numInteresting) { if (DEBUG_VISIBILITY) Slog.v(TAG, "allDrawn: " + wtoken + " interesting=" + numInteresting + " drawn=" + wtoken.numDrawnWindows); wtoken.allDrawn = true; changes |= PhoneWindowManager.FINISH_LAYOUT_REDO_ANIM; // We can now show all of the drawn windows! if (!mOpeningApps.contains(wtoken)) { wtoken.showAllWindowsLocked(); } } } } } // If we are ready to perform an app transition, check through // all of the app tokens to be shown and see if they are ready // to go. if (mAppTransitionReady) { int NN = mOpeningApps.size(); boolean goodToGo = true; if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "Checking " + NN + " opening apps (frozen=" + mDisplayFrozen + " timeout=" + mAppTransitionTimeout + ")..."); if (!mDisplayFrozen && !mAppTransitionTimeout) { // If the display isn't frozen, wait to do anything until // all of the apps are ready. Otherwise just go because // we'll unfreeze the display when everyone is ready. for (i=0; i<NN && goodToGo; i++) { AppWindowToken wtoken = mOpeningApps.get(i); if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "Check opening app" + wtoken + ": allDrawn=" + wtoken.allDrawn + " startingDisplayed=" + wtoken.startingDisplayed); if (!wtoken.allDrawn && !wtoken.startingDisplayed && !wtoken.startingMoved) { goodToGo = false; } } } if (goodToGo) { if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "**** GOOD TO GO"); int transit = mNextAppTransition; if (mSkipAppTransitionAnimation) { transit = WindowManagerPolicy.TRANSIT_UNSET; } mNextAppTransition = WindowManagerPolicy.TRANSIT_UNSET; mAppTransitionReady = false; mAppTransitionRunning = true; mAppTransitionTimeout = false; mStartingIconInTransition = false; mSkipAppTransitionAnimation = false; mH.removeMessages(H.APP_TRANSITION_TIMEOUT); // If there are applications waiting to come to the // top of the stack, now is the time to move their windows. // (Note that we don't do apps going to the bottom // here -- we want to keep their windows in the old // Z-order until the animation completes.) if (mToTopApps.size() > 0) { NN = mAppTokens.size(); for (i=0; i<NN; i++) { AppWindowToken wtoken = mAppTokens.get(i); if (wtoken.sendingToTop) { wtoken.sendingToTop = false; moveAppWindowsLocked(wtoken, NN, false); } } mToTopApps.clear(); } WindowState oldWallpaper = mWallpaperTarget; adjustWallpaperWindowsLocked(); wallpaperMayChange = false; // The top-most window will supply the layout params, // and we will determine it below. LayoutParams animLp = null; int bestAnimLayer = -1; boolean fullscreenAnim = false; if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "New wallpaper target=" + mWallpaperTarget + ", lower target=" + mLowerWallpaperTarget + ", upper target=" + mUpperWallpaperTarget); int foundWallpapers = 0; // Do a first pass through the tokens for two // things: // (1) Determine if both the closing and opening // app token sets are wallpaper targets, in which // case special animations are needed // (since the wallpaper needs to stay static // behind them). // (2) Find the layout params of the top-most // application window in the tokens, which is // what will control the animation theme. final int NC = mClosingApps.size(); NN = NC + mOpeningApps.size(); for (i=0; i<NN; i++) { AppWindowToken wtoken; int mode; if (i < NC) { wtoken = mClosingApps.get(i); mode = 1; } else { wtoken = mOpeningApps.get(i-NC); mode = 2; } if (mLowerWallpaperTarget != null) { if (mLowerWallpaperTarget.mAppToken == wtoken || mUpperWallpaperTarget.mAppToken == wtoken) { foundWallpapers |= mode; } } if (wtoken.appFullscreen) { WindowState ws = wtoken.findMainWindow(); if (ws != null) { animLp = ws.mAttrs; bestAnimLayer = ws.mLayer; fullscreenAnim = true; } } else if (!fullscreenAnim) { WindowState ws = wtoken.findMainWindow(); if (ws != null) { if (ws.mLayer > bestAnimLayer) { animLp = ws.mAttrs; bestAnimLayer = ws.mLayer; } } } } if (foundWallpapers == 3) { if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "Wallpaper animation!"); switch (transit) { case WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN: case WindowManagerPolicy.TRANSIT_TASK_OPEN: case WindowManagerPolicy.TRANSIT_TASK_TO_FRONT: transit = WindowManagerPolicy.TRANSIT_WALLPAPER_INTRA_OPEN; break; case WindowManagerPolicy.TRANSIT_ACTIVITY_CLOSE: case WindowManagerPolicy.TRANSIT_TASK_CLOSE: case WindowManagerPolicy.TRANSIT_TASK_TO_BACK: transit = WindowManagerPolicy.TRANSIT_WALLPAPER_INTRA_CLOSE; break; } if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "New transit: " + transit); } else if (oldWallpaper != null) { // We are transitioning from an activity with // a wallpaper to one without. transit = WindowManagerPolicy.TRANSIT_WALLPAPER_CLOSE; if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "New transit away from wallpaper: " + transit); } else if (mWallpaperTarget != null) { // We are transitioning from an activity without // a wallpaper to now showing the wallpaper transit = WindowManagerPolicy.TRANSIT_WALLPAPER_OPEN; if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "New transit into wallpaper: " + transit); } // If all closing windows are obscured, then there is // no need to do an animation. This is the case, for // example, when this transition is being done behind // the lock screen. if (!mPolicy.allowAppAnimationsLw()) { animLp = null; } NN = mOpeningApps.size(); for (i=0; i<NN; i++) { AppWindowToken wtoken = mOpeningApps.get(i); if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "Now opening app" + wtoken); wtoken.reportedVisible = false; wtoken.inPendingTransaction = false; wtoken.animation = null; setTokenVisibilityLocked(wtoken, animLp, true, transit, false); wtoken.updateReportedVisibilityLocked(); wtoken.waitingToShow = false; wtoken.showAllWindowsLocked(); } NN = mClosingApps.size(); for (i=0; i<NN; i++) { AppWindowToken wtoken = mClosingApps.get(i); if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "Now closing app" + wtoken); wtoken.inPendingTransaction = false; wtoken.animation = null; setTokenVisibilityLocked(wtoken, animLp, false, transit, false); wtoken.updateReportedVisibilityLocked(); wtoken.waitingToHide = false; // Force the allDrawn flag, because we want to start // this guy's animations regardless of whether it's // gotten drawn. wtoken.allDrawn = true; } mNextAppTransitionPackage = null; mOpeningApps.clear(); mClosingApps.clear(); // This has changed the visibility of windows, so perform // a new layout to get them all up-to-date. changes |= PhoneWindowManager.FINISH_LAYOUT_REDO_LAYOUT | WindowManagerPolicy.FINISH_LAYOUT_REDO_CONFIG; mLayoutNeeded = true; if (!moveInputMethodWindowsIfNeededLocked(true)) { assignLayersLocked(); } updateFocusedWindowLocked(UPDATE_FOCUS_PLACING_SURFACES, false /*updateInputWindows*/); mFocusMayChange = false; } } int adjResult = 0; if (!animating && mAppTransitionRunning) { // We have finished the animation of an app transition. To do // this, we have delayed a lot of operations like showing and // hiding apps, moving apps in Z-order, etc. The app token list // reflects the correct Z-order, but the window list may now // be out of sync with it. So here we will just rebuild the // entire app window list. Fun! mAppTransitionRunning = false; // Clear information about apps that were moving. mToBottomApps.clear(); rebuildAppWindowListLocked(); changes |= PhoneWindowManager.FINISH_LAYOUT_REDO_LAYOUT; adjResult |= ADJUST_WALLPAPER_LAYERS_CHANGED; moveInputMethodWindowsIfNeededLocked(false); wallpaperMayChange = true; // Since the window list has been rebuilt, focus might // have to be recomputed since the actual order of windows // might have changed again. mFocusMayChange = true; } if (wallpaperForceHidingChanged && changes == 0 && !mAppTransitionReady) { // At this point, there was a window with a wallpaper that // was force hiding other windows behind it, but now it // is going away. This may be simple -- just animate // away the wallpaper and its window -- or it may be // hard -- the wallpaper now needs to be shown behind // something that was hidden. WindowState oldWallpaper = mWallpaperTarget; if (mLowerWallpaperTarget != null && mLowerWallpaperTarget.mAppToken != null) { if (DEBUG_WALLPAPER) Slog.v(TAG, "wallpaperForceHiding changed with lower=" + mLowerWallpaperTarget); if (DEBUG_WALLPAPER) Slog.v(TAG, "hidden=" + mLowerWallpaperTarget.mAppToken.hidden + " hiddenRequested=" + mLowerWallpaperTarget.mAppToken.hiddenRequested); if (mLowerWallpaperTarget.mAppToken.hidden) { // The lower target has become hidden before we // actually started the animation... let's completely // re-evaluate everything. mLowerWallpaperTarget = mUpperWallpaperTarget = null; changes |= PhoneWindowManager.FINISH_LAYOUT_REDO_ANIM; } } adjResult |= adjustWallpaperWindowsLocked(); wallpaperMayChange = false; wallpaperForceHidingChanged = false; if (DEBUG_WALLPAPER) Slog.v(TAG, "****** OLD: " + oldWallpaper + " NEW: " + mWallpaperTarget + " LOWER: " + mLowerWallpaperTarget); if (mLowerWallpaperTarget == null) { // Whoops, we don't need a special wallpaper animation. // Clear them out. forceHiding = false; for (i=N-1; i>=0; i--) { WindowState w = mWindows.get(i); if (w.mSurface != null) { final WindowManager.LayoutParams attrs = w.mAttrs; if (mPolicy.doesForceHide(w, attrs) && w.isVisibleLw()) { if (DEBUG_FOCUS) Slog.i(TAG, "win=" + w + " force hides other windows"); forceHiding = true; } else if (mPolicy.canBeForceHidden(w, attrs)) { if (!w.mAnimating) { // We set the animation above so it // is not yet running. w.clearAnimation(); } } } } } } if (mWindowDetachedWallpaper != windowDetachedWallpaper) { if (DEBUG_WALLPAPER) Slog.v(TAG, "Detached wallpaper changed from " + mWindowDetachedWallpaper + " to " + windowDetachedWallpaper); mWindowDetachedWallpaper = windowDetachedWallpaper; wallpaperMayChange = true; } if (windowAnimationBackgroundColor != 0) { // If the window that wants black is the current wallpaper // target, then the black goes *below* the wallpaper so we // don't cause the wallpaper to suddenly disappear. WindowState target = windowAnimationBackground; if (mWallpaperTarget == windowAnimationBackground || mLowerWallpaperTarget == windowAnimationBackground || mUpperWallpaperTarget == windowAnimationBackground) { for (i=0; i<mWindows.size(); i++) { WindowState w = mWindows.get(i); if (w.mIsWallpaper) { target = w; break; } } } if (mWindowAnimationBackgroundSurface == null) { mWindowAnimationBackgroundSurface = new DimSurface(mFxSession); } mWindowAnimationBackgroundSurface.show(dw, dh, target.mAnimLayer - LAYER_OFFSET_DIM, windowAnimationBackgroundColor); } else if (mWindowAnimationBackgroundSurface != null) { mWindowAnimationBackgroundSurface.hide(); } if (wallpaperMayChange) { if (DEBUG_WALLPAPER) Slog.v(TAG, "Wallpaper may change! Adjusting"); adjResult |= adjustWallpaperWindowsLocked(); } if ((adjResult&ADJUST_WALLPAPER_LAYERS_CHANGED) != 0) { if (DEBUG_WALLPAPER) Slog.v(TAG, "Wallpaper layer changed: assigning layers + relayout"); changes |= PhoneWindowManager.FINISH_LAYOUT_REDO_LAYOUT; assignLayersLocked(); } else if ((adjResult&ADJUST_WALLPAPER_VISIBILITY_CHANGED) != 0) { if (DEBUG_WALLPAPER) Slog.v(TAG, "Wallpaper visibility changed: relayout"); changes |= PhoneWindowManager.FINISH_LAYOUT_REDO_LAYOUT; } if (mFocusMayChange) { mFocusMayChange = false; if (updateFocusedWindowLocked(UPDATE_FOCUS_PLACING_SURFACES, false /*updateInputWindows*/)) { changes |= PhoneWindowManager.FINISH_LAYOUT_REDO_ANIM; adjResult = 0; } } if (mLayoutNeeded) { changes |= PhoneWindowManager.FINISH_LAYOUT_REDO_LAYOUT; } if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "*** ANIM STEP: changes=0x" + Integer.toHexString(changes)); } while (changes != 0); // THIRD LOOP: Update the surfaces of all windows. final boolean someoneLosingFocus = mLosingFocus.size() != 0; boolean obscured = false; boolean blurring = false; boolean dimming = false; boolean covered = false; boolean syswin = false; final int N = mWindows.size(); for (i=N-1; i>=0; i--) { WindowState w = mWindows.get(i); boolean displayed = false; final WindowManager.LayoutParams attrs = w.mAttrs; final int attrFlags = attrs.flags; if (w.mSurface != null) { // XXX NOTE: The logic here could be improved. We have // the decision about whether to resize a window separated // from whether to hide the surface. This can cause us to // resize a surface even if we are going to hide it. You // can see this by (1) holding device in landscape mode on // home screen; (2) tapping browser icon (device will rotate // to landscape; (3) tap home. The wallpaper will be resized // in step 2 but then immediately hidden, causing us to // have to resize and then redraw it again in step 3. It // would be nice to figure out how to avoid this, but it is // difficult because we do need to resize surfaces in some // cases while they are hidden such as when first showing a // window. w.computeShownFrameLocked(); if (localLOGV) Slog.v( TAG, "Placing surface #" + i + " " + w.mSurface + ": new=" + w.mShownFrame); if (w.mSurface != null) { int width, height; if ((w.mAttrs.flags & w.mAttrs.FLAG_SCALED) != 0) { // for a scaled surface, we just want to use // the requested size. width = w.mRequestedWidth; height = w.mRequestedHeight; } else { width = w.mCompatFrame.width(); height = w.mCompatFrame.height(); } if (width < 1) { width = 1; } if (height < 1) { height = 1; } final boolean surfaceResized = w.mSurfaceW != width || w.mSurfaceH != height; if (surfaceResized) { w.mSurfaceW = width; w.mSurfaceH = height; } if (w.mSurfaceX != w.mShownFrame.left || w.mSurfaceY != w.mShownFrame.top) { try { if (SHOW_TRANSACTIONS) logSurface(w, "POS " + w.mShownFrame.left + ", " + w.mShownFrame.top, null); w.mSurfaceX = w.mShownFrame.left; w.mSurfaceY = w.mShownFrame.top; w.mSurface.setPosition(w.mShownFrame.left, w.mShownFrame.top); } catch (RuntimeException e) { Slog.w(TAG, "Error positioning surface of " + w + " pos=(" + w.mShownFrame.left + "," + w.mShownFrame.top + ")", e); if (!recoveringMemory) { reclaimSomeSurfaceMemoryLocked(w, "position", true); } } } if (surfaceResized) { try { if (SHOW_TRANSACTIONS) logSurface(w, "SIZE " + width + "x" + height, null); w.mSurfaceResized = true; w.mSurface.setSize(width, height); } catch (RuntimeException e) { // If something goes wrong with the surface (such // as running out of memory), don't take down the // entire system. Slog.e(TAG, "Error resizing surface of " + w + " size=(" + width + "x" + height + ")", e); if (!recoveringMemory) { reclaimSomeSurfaceMemoryLocked(w, "size", true); } } } } if (!w.mAppFreezing && w.mLayoutSeq == mLayoutSeq) { w.mContentInsetsChanged |= !w.mLastContentInsets.equals(w.mContentInsets); w.mVisibleInsetsChanged |= !w.mLastVisibleInsets.equals(w.mVisibleInsets); boolean configChanged = w.mConfiguration != mCurConfiguration && (w.mConfiguration == null || mCurConfiguration.diff(w.mConfiguration) != 0); if (DEBUG_CONFIGURATION && configChanged) { Slog.v(TAG, "Win " + w + " config changed: " + mCurConfiguration); } if (localLOGV) Slog.v(TAG, "Resizing " + w + ": configChanged=" + configChanged + " last=" + w.mLastFrame + " frame=" + w.mFrame); w.mLastFrame.set(w.mFrame); if (w.mContentInsetsChanged || w.mVisibleInsetsChanged || w.mSurfaceResized || configChanged) { if (DEBUG_RESIZE || DEBUG_ORIENTATION) { Slog.v(TAG, "Resize reasons: " + " contentInsetsChanged=" + w.mContentInsetsChanged + " visibleInsetsChanged=" + w.mVisibleInsetsChanged + " surfaceResized=" + w.mSurfaceResized + " configChanged=" + configChanged); } w.mLastContentInsets.set(w.mContentInsets); w.mLastVisibleInsets.set(w.mVisibleInsets); makeWindowFreezingScreenIfNeededLocked(w); // If the orientation is changing, then we need to // hold off on unfreezing the display until this // window has been redrawn; to do that, we need // to go through the process of getting informed // by the application when it has finished drawing. if (w.mOrientationChanging) { if (DEBUG_ORIENTATION) Slog.v(TAG, "Orientation start waiting for draw in " + w + ", surface " + w.mSurface); w.mDrawPending = true; w.mCommitDrawPending = false; w.mReadyToShow = false; if (w.mAppToken != null) { w.mAppToken.allDrawn = false; } } if (!mResizingWindows.contains(w)) { if (DEBUG_RESIZE || DEBUG_ORIENTATION) Slog.v(TAG, "Resizing window " + w + " to " + w.mSurfaceW + "x" + w.mSurfaceH); mResizingWindows.add(w); } } else if (w.mOrientationChanging) { if (!w.mDrawPending && !w.mCommitDrawPending) { if (DEBUG_ORIENTATION) Slog.v(TAG, "Orientation not waiting for draw in " + w + ", surface " + w.mSurface); w.mOrientationChanging = false; } } } if (w.mAttachedHidden || !w.isReadyForDisplay()) { if (!w.mLastHidden) { //dump(); w.mLastHidden = true; if (SHOW_TRANSACTIONS) logSurface(w, "HIDE (performLayout)", null); if (w.mSurface != null) { w.mSurfaceShown = false; try { w.mSurface.hide(); } catch (RuntimeException e) { Slog.w(TAG, "Exception hiding surface in " + w); } } } // If we are waiting for this window to handle an // orientation change, well, it is hidden, so // doesn't really matter. Note that this does // introduce a potential glitch if the window // becomes unhidden before it has drawn for the // new orientation. if (w.mOrientationChanging) { w.mOrientationChanging = false; if (DEBUG_ORIENTATION) Slog.v(TAG, "Orientation change skips hidden " + w); } } else if (w.mLastLayer != w.mAnimLayer || w.mLastAlpha != w.mShownAlpha || w.mLastDsDx != w.mDsDx || w.mLastDtDx != w.mDtDx || w.mLastDsDy != w.mDsDy || w.mLastDtDy != w.mDtDy || w.mLastHScale != w.mHScale || w.mLastVScale != w.mVScale || w.mLastHidden) { displayed = true; w.mLastAlpha = w.mShownAlpha; w.mLastLayer = w.mAnimLayer; w.mLastDsDx = w.mDsDx; w.mLastDtDx = w.mDtDx; w.mLastDsDy = w.mDsDy; w.mLastDtDy = w.mDtDy; w.mLastHScale = w.mHScale; w.mLastVScale = w.mVScale; if (SHOW_TRANSACTIONS) logSurface(w, "alpha=" + w.mShownAlpha + " layer=" + w.mAnimLayer + " matrix=[" + (w.mDsDx*w.mHScale) + "," + (w.mDtDx*w.mVScale) + "][" + (w.mDsDy*w.mHScale) + "," + (w.mDtDy*w.mVScale) + "]", null); if (w.mSurface != null) { try { w.mSurfaceAlpha = w.mShownAlpha; w.mSurface.setAlpha(w.mShownAlpha); w.mSurfaceLayer = w.mAnimLayer; w.mSurface.setLayer(w.mAnimLayer); w.mSurface.setMatrix( w.mDsDx*w.mHScale, w.mDtDx*w.mVScale, w.mDsDy*w.mHScale, w.mDtDy*w.mVScale); } catch (RuntimeException e) { Slog.w(TAG, "Error updating surface in " + w, e); if (!recoveringMemory) { reclaimSomeSurfaceMemoryLocked(w, "update", true); } } } if (w.mLastHidden && !w.mDrawPending && !w.mCommitDrawPending && !w.mReadyToShow) { if (SHOW_TRANSACTIONS) logSurface(w, "SHOW (performLayout)", null); if (DEBUG_VISIBILITY) Slog.v(TAG, "Showing " + w + " during relayout"); if (showSurfaceRobustlyLocked(w)) { w.mHasDrawn = true; w.mLastHidden = false; } else { w.mOrientationChanging = false; } } if (w.mSurface != null) { w.mToken.hasVisible = true; } } else { displayed = true; } if (displayed) { if (!covered) { if (attrs.width == LayoutParams.MATCH_PARENT && attrs.height == LayoutParams.MATCH_PARENT) { covered = true; } } if (w.mOrientationChanging) { if (w.mDrawPending || w.mCommitDrawPending) { orientationChangeComplete = false; if (DEBUG_ORIENTATION) Slog.v(TAG, "Orientation continue waiting for draw in " + w); } else { w.mOrientationChanging = false; if (DEBUG_ORIENTATION) Slog.v(TAG, "Orientation change complete in " + w); } } w.mToken.hasVisible = true; } } else if (w.mOrientationChanging) { if (DEBUG_ORIENTATION) Slog.v(TAG, "Orientation change skips hidden " + w); w.mOrientationChanging = false; } if (w.mContentChanged) { //Slog.i(TAG, "Window " + this + " clearing mContentChanged - done placing"); w.mContentChanged = false; } final boolean canBeSeen = w.isDisplayedLw(); if (someoneLosingFocus && w == mCurrentFocus && canBeSeen) { focusDisplayed = true; } final boolean obscuredChanged = w.mObscured != obscured; // Update effect. if (!(w.mObscured=obscured)) { if (w.mSurface != null) { if ((attrFlags&FLAG_KEEP_SCREEN_ON) != 0) { holdScreen = w.mSession; } if (!syswin && w.mAttrs.screenBrightness >= 0 && screenBrightness < 0) { screenBrightness = w.mAttrs.screenBrightness; } if (!syswin && w.mAttrs.buttonBrightness >= 0 && buttonBrightness < 0) { buttonBrightness = w.mAttrs.buttonBrightness; } if (canBeSeen && (attrs.type == WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG || attrs.type == WindowManager.LayoutParams.TYPE_KEYGUARD || attrs.type == WindowManager.LayoutParams.TYPE_SYSTEM_ERROR)) { syswin = true; } } boolean opaqueDrawn = canBeSeen && w.isOpaqueDrawn(); if (opaqueDrawn && w.isFullscreen(innerDw, innerDh)) { // This window completely covers everything behind it, // so we want to leave all of them as unblurred (for // performance reasons). obscured = true; } else if (canBeSeen && !obscured && (attrFlags&FLAG_BLUR_BEHIND|FLAG_DIM_BEHIND) != 0) { if (localLOGV) Slog.v(TAG, "Win " + w + ": blurring=" + blurring + " obscured=" + obscured + " displayed=" + displayed); if ((attrFlags&FLAG_DIM_BEHIND) != 0) { if (!dimming) { //Slog.i(TAG, "DIM BEHIND: " + w); dimming = true; if (mDimAnimator == null) { mDimAnimator = new DimAnimator(mFxSession); } if (attrs.type == WindowManager.LayoutParams.TYPE_BOOT_PROGRESS) { mDimAnimator.show(dw, dh); } else { mDimAnimator.show(innerDw, innerDh); } mDimAnimator.updateParameters(mContext.getResources(), w, currentTime); } } if ((attrFlags&FLAG_BLUR_BEHIND) != 0) { if (!blurring) { //Slog.i(TAG, "BLUR BEHIND: " + w); blurring = true; if (mBlurSurface == null) { try { mBlurSurface = new Surface(mFxSession, 0, "BlurSurface", -1, 16, 16, PixelFormat.OPAQUE, Surface.FX_SURFACE_BLUR); } catch (Exception e) { Slog.e(TAG, "Exception creating Blur surface", e); } if (SHOW_TRANSACTIONS) Slog.i(TAG, " BLUR " + mBlurSurface + ": CREATE"); } if (mBlurSurface != null) { if (SHOW_TRANSACTIONS) Slog.i(TAG, " BLUR " + mBlurSurface + ": pos=(0,0) (" + dw + "x" + dh + "), layer=" + (w.mAnimLayer-1)); mBlurSurface.setPosition(0, 0); mBlurSurface.setSize(dw, dh); mBlurSurface.setLayer(w.mAnimLayer-LAYER_OFFSET_BLUR); if (!mBlurShown) { try { if (SHOW_TRANSACTIONS) Slog.i(TAG, " BLUR " + mBlurSurface + ": SHOW"); mBlurSurface.show(); } catch (RuntimeException e) { Slog.w(TAG, "Failure showing blur surface", e); } mBlurShown = true; } } } } } } if (obscuredChanged && mWallpaperTarget == w) { // This is the wallpaper target and its obscured state // changed... make sure the current wallaper's visibility // has been updated accordingly. updateWallpaperVisibilityLocked(); } } if (mDimAnimator != null && mDimAnimator.mDimShown) { animating |= mDimAnimator.updateSurface(dimming, currentTime, mDisplayFrozen || !mDisplayEnabled || !mPolicy.isScreenOnFully()); } if (!blurring && mBlurShown) { if (SHOW_TRANSACTIONS) Slog.i(TAG, " BLUR " + mBlurSurface + ": HIDE"); try { mBlurSurface.hide(); } catch (IllegalArgumentException e) { Slog.w(TAG, "Illegal argument exception hiding blur surface"); } mBlurShown = false; } if (mBlackFrame != null) { if (mScreenRotationAnimation != null) { mBlackFrame.setMatrix( mScreenRotationAnimation.getEnterTransformation().getMatrix()); } else { mBlackFrame.clearMatrix(); } } } catch (RuntimeException e) { Log.wtf(TAG, "Unhandled exception in Window Manager", e); } Surface.closeTransaction(); if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG, "<<< CLOSE TRANSACTION performLayoutAndPlaceSurfaces"); if (mWatermark != null) { mWatermark.drawIfNeeded(); } if (DEBUG_ORIENTATION && mDisplayFrozen) Slog.v(TAG, "With display frozen, orientationChangeComplete=" + orientationChangeComplete); if (orientationChangeComplete) { if (mWindowsFreezingScreen) { mWindowsFreezingScreen = false; mH.removeMessages(H.WINDOW_FREEZE_TIMEOUT); } stopFreezingDisplayLocked(); } i = mResizingWindows.size(); if (i > 0) { do { i--; WindowState win = mResizingWindows.get(i); try { if (DEBUG_RESIZE || DEBUG_ORIENTATION) Slog.v(TAG, "Reporting new frame to " + win + ": " + win.mCompatFrame); int diff = 0; boolean configChanged = win.mConfiguration != mCurConfiguration && (win.mConfiguration == null || (diff=mCurConfiguration.diff(win.mConfiguration)) != 0); if ((DEBUG_RESIZE || DEBUG_ORIENTATION || DEBUG_CONFIGURATION) && configChanged) { Slog.i(TAG, "Sending new config to window " + win + ": " + win.mSurfaceW + "x" + win.mSurfaceH + " / " + mCurConfiguration + " / 0x" + Integer.toHexString(diff)); } win.mConfiguration = mCurConfiguration; if (DEBUG_ORIENTATION && win.mDrawPending) Slog.i( TAG, "Resizing " + win + " WITH DRAW PENDING"); win.mClient.resized((int)win.mSurfaceW, (int)win.mSurfaceH, win.mLastContentInsets, win.mLastVisibleInsets, win.mDrawPending, configChanged ? win.mConfiguration : null); win.mContentInsetsChanged = false; win.mVisibleInsetsChanged = false; win.mSurfaceResized = false; } catch (RemoteException e) { win.mOrientationChanging = false; } } while (i > 0); mResizingWindows.clear(); } // Destroy the surface of any windows that are no longer visible. boolean wallpaperDestroyed = false; i = mDestroySurface.size(); if (i > 0) { do { i--; WindowState win = mDestroySurface.get(i); win.mDestroying = false; if (mInputMethodWindow == win) { mInputMethodWindow = null; } if (win == mWallpaperTarget) { wallpaperDestroyed = true; } win.destroySurfaceLocked(); } while (i > 0); mDestroySurface.clear(); } // Time to remove any exiting tokens? for (i=mExitingTokens.size()-1; i>=0; i--) { WindowToken token = mExitingTokens.get(i); if (!token.hasVisible) { mExitingTokens.remove(i); if (token.windowType == TYPE_WALLPAPER) { mWallpaperTokens.remove(token); } } } // Time to remove any exiting applications? for (i=mExitingAppTokens.size()-1; i>=0; i--) { AppWindowToken token = mExitingAppTokens.get(i); if (!token.hasVisible && !mClosingApps.contains(token)) { // Make sure there is no animation running on this token, // so any windows associated with it will be removed as // soon as their animations are complete token.animation = null; token.animating = false; if (DEBUG_ADD_REMOVE || DEBUG_TOKEN_MOVEMENT) Slog.v(TAG, "performLayout: App token exiting now removed" + token); mAppTokens.remove(token); mExitingAppTokens.remove(i); } } boolean needRelayout = false; if (!animating && mAppTransitionRunning) { // We have finished the animation of an app transition. To do // this, we have delayed a lot of operations like showing and // hiding apps, moving apps in Z-order, etc. The app token list // reflects the correct Z-order, but the window list may now // be out of sync with it. So here we will just rebuild the // entire app window list. Fun! mAppTransitionRunning = false; needRelayout = true; rebuildAppWindowListLocked(); assignLayersLocked(); // Clear information about apps that were moving. mToBottomApps.clear(); } if (focusDisplayed) { mH.sendEmptyMessage(H.REPORT_LOSING_FOCUS); } if (wallpaperDestroyed) { needRelayout = adjustWallpaperWindowsLocked() != 0; } if (needRelayout) { requestAnimationLocked(0); } else if (animating) { final int refreshTimeUs = (int)(1000 / mDisplay.getRefreshRate()); requestAnimationLocked(currentTime + refreshTimeUs - SystemClock.uptimeMillis()); } // Finally update all input windows now that the window changes have stabilized. mInputMonitor.updateInputWindowsLw(true /*force*/); setHoldScreenLocked(holdScreen != null); if (!mDisplayFrozen) { if (screenBrightness < 0 || screenBrightness > 1.0f) { mPowerManager.setScreenBrightnessOverride(-1); } else { mPowerManager.setScreenBrightnessOverride((int) (screenBrightness * Power.BRIGHTNESS_ON)); } if (buttonBrightness < 0 || buttonBrightness > 1.0f) { mPowerManager.setButtonBrightnessOverride(-1); } else { mPowerManager.setButtonBrightnessOverride((int) (buttonBrightness * Power.BRIGHTNESS_ON)); } } if (holdScreen != mHoldingScreenOn) { mHoldingScreenOn = holdScreen; Message m = mH.obtainMessage(H.HOLD_SCREEN_CHANGED, holdScreen); mH.sendMessage(m); } if (mTurnOnScreen) { if (DEBUG_VISIBILITY) Slog.v(TAG, "Turning screen on after layout!"); mPowerManager.userActivity(SystemClock.uptimeMillis(), false, LocalPowerManager.BUTTON_EVENT, true); mTurnOnScreen = false; } if (screenRotationFinished && mScreenRotationAnimation != null) { mScreenRotationAnimation.kill(); mScreenRotationAnimation = null; } if (updateRotation) { if (DEBUG_ORIENTATION) Slog.d(TAG, "Performing post-rotate rotation"); boolean changed = updateRotationUncheckedLocked(false); if (changed) { mH.sendEmptyMessage(H.SEND_NEW_CONFIGURATION); } else { updateRotation = false; } } if (orientationChangeComplete && !needRelayout && !updateRotation) { checkDrawnWindowsLocked(); } // Check to see if we are now in a state where the screen should // be enabled, because the window obscured flags have changed. enableScreenIfNeededLocked(); } void checkDrawnWindowsLocked() { if (mWaitingForDrawn.size() > 0) { for (int j=mWaitingForDrawn.size()-1; j>=0; j--) { Pair<WindowState, IRemoteCallback> pair = mWaitingForDrawn.get(j); WindowState win = pair.first; //Slog.i(TAG, "Waiting for drawn " + win + ": removed=" // + win.mRemoved + " visible=" + win.isVisibleLw() // + " shown=" + win.mSurfaceShown); if (win.mRemoved || !win.isVisibleLw()) { // Window has been removed or made invisible; no draw // will now happen, so stop waiting. Slog.w(TAG, "Aborted waiting for drawn: " + pair.first); try { pair.second.sendResult(null); } catch (RemoteException e) { } mWaitingForDrawn.remove(pair); mH.removeMessages(H.WAITING_FOR_DRAWN_TIMEOUT, pair); } else if (win.mSurfaceShown) { // Window is now drawn (and shown). try { pair.second.sendResult(null); } catch (RemoteException e) { } mWaitingForDrawn.remove(pair); mH.removeMessages(H.WAITING_FOR_DRAWN_TIMEOUT, pair); } } } } public void waitForWindowDrawn(IBinder token, IRemoteCallback callback) { synchronized (mWindowMap) { WindowState win = windowForClientLocked(null, token, true); if (win != null) { Pair<WindowState, IRemoteCallback> pair = new Pair<WindowState, IRemoteCallback>(win, callback); Message m = mH.obtainMessage(H.WAITING_FOR_DRAWN_TIMEOUT, pair); mH.sendMessageDelayed(m, 2000); mWaitingForDrawn.add(pair); checkDrawnWindowsLocked(); } } } /** * Must be called with the main window manager lock held. */ void setHoldScreenLocked(boolean holding) { boolean state = mHoldingScreenWakeLock.isHeld(); if (holding != state) { if (holding) { mPolicy.screenOnStartedLw(); mHoldingScreenWakeLock.acquire(); } else { mPolicy.screenOnStoppedLw(); mHoldingScreenWakeLock.release(); } } } void requestAnimationLocked(long delay) { if (!mAnimationPending) { mAnimationPending = true; mH.sendMessageDelayed(mH.obtainMessage(H.ANIMATE), delay); } } /** * Have the surface flinger show a surface, robustly dealing with * error conditions. In particular, if there is not enough memory * to show the surface, then we will try to get rid of other surfaces * in order to succeed. * * @return Returns true if the surface was successfully shown. */ boolean showSurfaceRobustlyLocked(WindowState win) { try { if (win.mSurface != null) { win.mSurfaceShown = true; win.mSurface.show(); if (win.mTurnOnScreen) { if (DEBUG_VISIBILITY) Slog.v(TAG, "Show surface turning screen on: " + win); win.mTurnOnScreen = false; mTurnOnScreen = true; } } return true; } catch (RuntimeException e) { Slog.w(TAG, "Failure showing surface " + win.mSurface + " in " + win, e); } reclaimSomeSurfaceMemoryLocked(win, "show", true); return false; } boolean reclaimSomeSurfaceMemoryLocked(WindowState win, String operation, boolean secure) { final Surface surface = win.mSurface; boolean leakedSurface = false; boolean killedApps = false; EventLog.writeEvent(EventLogTags.WM_NO_SURFACE_MEMORY, win.toString(), win.mSession.mPid, operation); if (mForceRemoves == null) { mForceRemoves = new ArrayList<WindowState>(); } long callingIdentity = Binder.clearCallingIdentity(); try { // There was some problem... first, do a sanity check of the // window list to make sure we haven't left any dangling surfaces // around. int N = mWindows.size(); Slog.i(TAG, "Out of memory for surface! Looking for leaks..."); for (int i=0; i<N; i++) { WindowState ws = mWindows.get(i); if (ws.mSurface != null) { if (!mSessions.contains(ws.mSession)) { Slog.w(TAG, "LEAKED SURFACE (session doesn't exist): " + ws + " surface=" + ws.mSurface + " token=" + win.mToken + " pid=" + ws.mSession.mPid + " uid=" + ws.mSession.mUid); if (SHOW_TRANSACTIONS) logSurface(ws, "LEAK DESTROY", null); ws.mSurface.destroy(); ws.mSurfaceShown = false; ws.mSurface = null; mForceRemoves.add(ws); i--; N--; leakedSurface = true; } else if (ws.mAppToken != null && ws.mAppToken.clientHidden) { Slog.w(TAG, "LEAKED SURFACE (app token hidden): " + ws + " surface=" + ws.mSurface + " token=" + win.mAppToken); if (SHOW_TRANSACTIONS) logSurface(ws, "LEAK DESTROY", null); ws.mSurface.destroy(); ws.mSurfaceShown = false; ws.mSurface = null; leakedSurface = true; } } } if (!leakedSurface) { Slog.w(TAG, "No leaked surfaces; killing applicatons!"); SparseIntArray pidCandidates = new SparseIntArray(); for (int i=0; i<N; i++) { WindowState ws = mWindows.get(i); if (ws.mSurface != null) { pidCandidates.append(ws.mSession.mPid, ws.mSession.mPid); } } if (pidCandidates.size() > 0) { int[] pids = new int[pidCandidates.size()]; for (int i=0; i<pids.length; i++) { pids[i] = pidCandidates.keyAt(i); } try { if (mActivityManager.killPids(pids, "Free memory", secure)) { killedApps = true; } } catch (RemoteException e) { } } } if (leakedSurface || killedApps) { // We managed to reclaim some memory, so get rid of the trouble // surface and ask the app to request another one. Slog.w(TAG, "Looks like we have reclaimed some memory, clearing surface for retry."); if (surface != null) { if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) logSurface(win, "RECOVER DESTROY", null); surface.destroy(); win.mSurfaceShown = false; win.mSurface = null; } try { win.mClient.dispatchGetNewSurface(); } catch (RemoteException e) { } } } finally { Binder.restoreCallingIdentity(callingIdentity); } return leakedSurface || killedApps; } private boolean updateFocusedWindowLocked(int mode, boolean updateInputWindows) { WindowState newFocus = computeFocusedWindowLocked(); if (mCurrentFocus != newFocus) { // This check makes sure that we don't already have the focus // change message pending. mH.removeMessages(H.REPORT_FOCUS_CHANGE); mH.sendEmptyMessage(H.REPORT_FOCUS_CHANGE); if (localLOGV) Slog.v( TAG, "Changing focus from " + mCurrentFocus + " to " + newFocus); final WindowState oldFocus = mCurrentFocus; mCurrentFocus = newFocus; mLosingFocus.remove(newFocus); int focusChanged = mPolicy.focusChangedLw(oldFocus, newFocus); final WindowState imWindow = mInputMethodWindow; if (newFocus != imWindow && oldFocus != imWindow) { if (moveInputMethodWindowsIfNeededLocked( mode != UPDATE_FOCUS_WILL_ASSIGN_LAYERS && mode != UPDATE_FOCUS_WILL_PLACE_SURFACES)) { mLayoutNeeded = true; } if (mode == UPDATE_FOCUS_PLACING_SURFACES) { performLayoutLockedInner(true /*initial*/, updateInputWindows); focusChanged &= ~WindowManagerPolicy.FINISH_LAYOUT_REDO_LAYOUT; } else if (mode == UPDATE_FOCUS_WILL_PLACE_SURFACES) { // Client will do the layout, but we need to assign layers // for handleNewWindowLocked() below. assignLayersLocked(); } } if ((focusChanged&WindowManagerPolicy.FINISH_LAYOUT_REDO_LAYOUT) != 0) { // The change in focus caused us to need to do a layout. Okay. mLayoutNeeded = true; if (mode == UPDATE_FOCUS_PLACING_SURFACES) { performLayoutLockedInner(true /*initial*/, updateInputWindows); } } if (mode != UPDATE_FOCUS_WILL_ASSIGN_LAYERS) { // If we defer assigning layers, then the caller is responsible for // doing this part. finishUpdateFocusedWindowAfterAssignLayersLocked(updateInputWindows); } return true; } return false; } private void finishUpdateFocusedWindowAfterAssignLayersLocked(boolean updateInputWindows) { mInputMonitor.setInputFocusLw(mCurrentFocus, updateInputWindows); } private WindowState computeFocusedWindowLocked() { WindowState result = null; WindowState win; int i = mWindows.size() - 1; int nextAppIndex = mAppTokens.size()-1; WindowToken nextApp = nextAppIndex >= 0 ? mAppTokens.get(nextAppIndex) : null; while (i >= 0) { win = mWindows.get(i); if (localLOGV || DEBUG_FOCUS) Slog.v( TAG, "Looking for focus: " + i + " = " + win + ", flags=" + win.mAttrs.flags + ", canReceive=" + win.canReceiveKeys()); AppWindowToken thisApp = win.mAppToken; // If this window's application has been removed, just skip it. if (thisApp != null && thisApp.removed) { i--; continue; } // If there is a focused app, don't allow focus to go to any // windows below it. If this is an application window, step // through the app tokens until we find its app. if (thisApp != null && nextApp != null && thisApp != nextApp && win.mAttrs.type != TYPE_APPLICATION_STARTING) { int origAppIndex = nextAppIndex; while (nextAppIndex > 0) { if (nextApp == mFocusedApp) { // Whoops, we are below the focused app... no focus // for you! if (localLOGV || DEBUG_FOCUS) Slog.v( TAG, "Reached focused app: " + mFocusedApp); return null; } nextAppIndex--; nextApp = mAppTokens.get(nextAppIndex); if (nextApp == thisApp) { break; } } if (thisApp != nextApp) { // Uh oh, the app token doesn't exist! This shouldn't // happen, but if it does we can get totally hosed... // so restart at the original app. nextAppIndex = origAppIndex; nextApp = mAppTokens.get(nextAppIndex); } } // Dispatch to this window if it is wants key events. if (win.canReceiveKeys()) { if (DEBUG_FOCUS) Slog.v( TAG, "Found focus @ " + i + " = " + win); result = win; break; } i--; } return result; } private void startFreezingDisplayLocked(boolean inTransaction) { if (mDisplayFrozen) { return; } if (mDisplay == null || !mPolicy.isScreenOnFully()) { // No need to freeze the screen before the system is ready or if // the screen is off. return; } mScreenFrozenLock.acquire(); mDisplayFrozen = true; mInputMonitor.freezeInputDispatchingLw(); if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) { mNextAppTransition = WindowManagerPolicy.TRANSIT_UNSET; mNextAppTransitionPackage = null; mAppTransitionReady = true; } if (PROFILE_ORIENTATION) { File file = new File("/data/system/frozen"); Debug.startMethodTracing(file.toString(), 8 * 1024 * 1024); } if (CUSTOM_SCREEN_ROTATION) { if (mScreenRotationAnimation != null && mScreenRotationAnimation.isAnimating()) { mScreenRotationAnimation.kill(); mScreenRotationAnimation = null; } if (mScreenRotationAnimation == null) { mScreenRotationAnimation = new ScreenRotationAnimation(mContext, mFxSession, inTransaction, mCurDisplayWidth, mCurDisplayHeight, mDisplay.getRotation()); } if (!mScreenRotationAnimation.hasScreenshot()) { Surface.freezeDisplay(0); } } else { Surface.freezeDisplay(0); } } private void stopFreezingDisplayLocked() { if (!mDisplayFrozen) { return; } if (mWaitingForConfig || mAppsFreezingScreen > 0 || mWindowsFreezingScreen) { return; } mDisplayFrozen = false; mH.removeMessages(H.APP_FREEZE_TIMEOUT); if (PROFILE_ORIENTATION) { Debug.stopMethodTracing(); } boolean updateRotation = false; if (CUSTOM_SCREEN_ROTATION && mScreenRotationAnimation != null && mScreenRotationAnimation.hasScreenshot()) { if (DEBUG_ORIENTATION) Slog.i(TAG, "**** Dismissing screen rotation animation"); if (mScreenRotationAnimation.dismiss(mFxSession, MAX_ANIMATION_DURATION, mTransitionAnimationScale, mCurDisplayWidth, mCurDisplayHeight)) { requestAnimationLocked(0); } else { mScreenRotationAnimation = null; updateRotation = true; } } else { if (mScreenRotationAnimation != null) { mScreenRotationAnimation.kill(); mScreenRotationAnimation = null; } updateRotation = true; } Surface.unfreezeDisplay(0); mInputMonitor.thawInputDispatchingLw(); boolean configChanged; // While the display is frozen we don't re-compute the orientation // to avoid inconsistent states. However, something interesting // could have actually changed during that time so re-evaluate it // now to catch that. configChanged = updateOrientationFromAppTokensLocked(false); // A little kludge: a lot could have happened while the // display was frozen, so now that we are coming back we // do a gc so that any remote references the system // processes holds on others can be released if they are // no longer needed. mH.removeMessages(H.FORCE_GC); mH.sendMessageDelayed(mH.obtainMessage(H.FORCE_GC), 2000); mScreenFrozenLock.release(); if (updateRotation) { if (DEBUG_ORIENTATION) Slog.d(TAG, "Performing post-rotate rotation"); configChanged |= updateRotationUncheckedLocked(false); } if (configChanged) { mH.sendEmptyMessage(H.SEND_NEW_CONFIGURATION); } } static int getPropertyInt(String[] tokens, int index, int defUnits, int defDps, DisplayMetrics dm) { if (index < tokens.length) { String str = tokens[index]; if (str != null && str.length() > 0) { try { int val = Integer.parseInt(str); return val; } catch (Exception e) { } } } if (defUnits == TypedValue.COMPLEX_UNIT_PX) { return defDps; } int val = (int)TypedValue.applyDimension(defUnits, defDps, dm); return val; } void createWatermark() { if (mWatermark != null) { return; } File file = new File("/system/etc/setup.conf"); FileInputStream in = null; try { in = new FileInputStream(file); DataInputStream ind = new DataInputStream(in); String line = ind.readLine(); if (line != null) { String[] toks = line.split("%"); if (toks != null && toks.length > 0) { mWatermark = new Watermark(mRealDisplayMetrics, mFxSession, toks); } } } catch (FileNotFoundException e) { } catch (IOException e) { } finally { if (in != null) { try { in.close(); } catch (IOException e) { } } } } @Override public void statusBarVisibilityChanged(int visibility) { if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.STATUS_BAR) != PackageManager.PERMISSION_GRANTED) { throw new SecurityException("Caller does not hold permission " + android.Manifest.permission.STATUS_BAR); } synchronized (mWindowMap) { mLastStatusBarVisibility = visibility; visibility = mPolicy.adjustSystemUiVisibilityLw(visibility); updateStatusBarVisibilityLocked(visibility); } } void updateStatusBarVisibilityLocked(int visibility) { mInputManager.setSystemUiVisibility(visibility); final int N = mWindows.size(); for (int i = 0; i < N; i++) { WindowState ws = mWindows.get(i); try { int curValue = ws.mSystemUiVisibility; int diff = curValue ^ visibility; // We are only interested in differences of one of the // clearable flags... diff &= View.SYSTEM_UI_CLEARABLE_FLAGS; // ...if it has actually been cleared. diff &= ~visibility; int newValue = (curValue&~diff) | (visibility&diff); if (newValue != curValue) { ws.mSeq++; ws.mSystemUiVisibility = newValue; } if (newValue != curValue || ws.mAttrs.hasSystemUiListeners) { ws.mClient.dispatchSystemUiVisibilityChanged(ws.mSeq, visibility, newValue, diff); } } catch (RemoteException e) { // so sorry } } } @Override public void reevaluateStatusBarVisibility() { synchronized (mWindowMap) { int visibility = mPolicy.adjustSystemUiVisibilityLw(mLastStatusBarVisibility); updateStatusBarVisibilityLocked(visibility); performLayoutAndPlaceSurfacesLocked(); } } @Override public FakeWindow addFakeWindow(Looper looper, InputHandler inputHandler, String name, int windowType, int layoutParamsFlags, boolean canReceiveKeys, boolean hasFocus, boolean touchFullscreen) { synchronized (mWindowMap) { FakeWindowImpl fw = new FakeWindowImpl(this, looper, inputHandler, name, windowType, layoutParamsFlags, canReceiveKeys, hasFocus, touchFullscreen); int i=0; while (i<mFakeWindows.size()) { if (mFakeWindows.get(i).mWindowLayer <= fw.mWindowLayer) { break; } } mFakeWindows.add(i, fw); mInputMonitor.updateInputWindowsLw(true); return fw; } } boolean removeFakeWindowLocked(FakeWindow window) { synchronized (mWindowMap) { if (mFakeWindows.remove(window)) { mInputMonitor.updateInputWindowsLw(true); return true; } return false; } } @Override public boolean hasNavigationBar() { return mPolicy.hasNavigationBar(); } public void lockNow() { mPolicy.lockNow(); } void dumpInput(FileDescriptor fd, PrintWriter pw, boolean dumpAll) { pw.println("WINDOW MANAGER INPUT (dumpsys window input)"); mInputManager.dump(pw); } void dumpPolicyLocked(FileDescriptor fd, PrintWriter pw, String[] args, boolean dumpAll) { pw.println("WINDOW MANAGER POLICY STATE (dumpsys window policy)"); mPolicy.dump(" ", fd, pw, args); } void dumpTokensLocked(FileDescriptor fd, PrintWriter pw, boolean dumpAll) { pw.println("WINDOW MANAGER TOKENS (dumpsys window tokens)"); if (mTokenMap.size() > 0) { pw.println(" All tokens:"); Iterator<WindowToken> it = mTokenMap.values().iterator(); while (it.hasNext()) { WindowToken token = it.next(); pw.print(" Token "); pw.print(token.token); if (dumpAll) { pw.println(':'); token.dump(pw, " "); } else { pw.println(); } } } if (mWallpaperTokens.size() > 0) { pw.println(); pw.println(" Wallpaper tokens:"); for (int i=mWallpaperTokens.size()-1; i>=0; i--) { WindowToken token = mWallpaperTokens.get(i); pw.print(" Wallpaper #"); pw.print(i); pw.print(' '); pw.print(token); if (dumpAll) { pw.println(':'); token.dump(pw, " "); } else { pw.println(); } } } if (mAppTokens.size() > 0) { pw.println(); pw.println(" Application tokens in Z order:"); for (int i=mAppTokens.size()-1; i>=0; i--) { pw.print(" App #"); pw.print(i); pw.print(": "); pw.println(mAppTokens.get(i)); } } if (mFinishedStarting.size() > 0) { pw.println(); pw.println(" Finishing start of application tokens:"); for (int i=mFinishedStarting.size()-1; i>=0; i--) { WindowToken token = mFinishedStarting.get(i); pw.print(" Finished Starting #"); pw.print(i); pw.print(' '); pw.print(token); if (dumpAll) { pw.println(':'); token.dump(pw, " "); } else { pw.println(); } } } if (mExitingTokens.size() > 0) { pw.println(); pw.println(" Exiting tokens:"); for (int i=mExitingTokens.size()-1; i>=0; i--) { WindowToken token = mExitingTokens.get(i); pw.print(" Exiting #"); pw.print(i); pw.print(' '); pw.print(token); if (dumpAll) { pw.println(':'); token.dump(pw, " "); } else { pw.println(); } } } if (mExitingAppTokens.size() > 0) { pw.println(); pw.println(" Exiting application tokens:"); for (int i=mExitingAppTokens.size()-1; i>=0; i--) { WindowToken token = mExitingAppTokens.get(i); pw.print(" Exiting App #"); pw.print(i); pw.print(' '); pw.print(token); if (dumpAll) { pw.println(':'); token.dump(pw, " "); } else { pw.println(); } } } pw.println(); if (mOpeningApps.size() > 0) { pw.print(" mOpeningApps="); pw.println(mOpeningApps); } if (mClosingApps.size() > 0) { pw.print(" mClosingApps="); pw.println(mClosingApps); } if (mToTopApps.size() > 0) { pw.print(" mToTopApps="); pw.println(mToTopApps); } if (mToBottomApps.size() > 0) { pw.print(" mToBottomApps="); pw.println(mToBottomApps); } } void dumpSessionsLocked(FileDescriptor fd, PrintWriter pw, boolean dumpAll) { pw.println("WINDOW MANAGER SESSIONS (dumpsys window sessions)"); if (mSessions.size() > 0) { Iterator<Session> it = mSessions.iterator(); while (it.hasNext()) { Session s = it.next(); pw.print(" Session "); pw.print(s); pw.println(':'); s.dump(pw, " "); } } } void dumpWindowsLocked(FileDescriptor fd, PrintWriter pw, boolean dumpAll, ArrayList<WindowState> windows) { pw.println("WINDOW MANAGER WINDOWS (dumpsys window windows)"); for (int i=mWindows.size()-1; i>=0; i--) { WindowState w = mWindows.get(i); if (windows == null || windows.contains(w)) { pw.print(" Window #"); pw.print(i); pw.print(' '); pw.print(w); pw.println(":"); w.dump(pw, " ", dumpAll || windows != null); } } if (mInputMethodDialogs.size() > 0) { pw.println(); pw.println(" Input method dialogs:"); for (int i=mInputMethodDialogs.size()-1; i>=0; i--) { WindowState w = mInputMethodDialogs.get(i); if (windows == null || windows.contains(w)) { pw.print(" IM Dialog #"); pw.print(i); pw.print(": "); pw.println(w); } } } if (mPendingRemove.size() > 0) { pw.println(); pw.println(" Remove pending for:"); for (int i=mPendingRemove.size()-1; i>=0; i--) { WindowState w = mPendingRemove.get(i); if (windows == null || windows.contains(w)) { pw.print(" Remove #"); pw.print(i); pw.print(' '); pw.print(w); if (dumpAll) { pw.println(":"); w.dump(pw, " ", true); } else { pw.println(); } } } } if (mForceRemoves != null && mForceRemoves.size() > 0) { pw.println(); pw.println(" Windows force removing:"); for (int i=mForceRemoves.size()-1; i>=0; i--) { WindowState w = mForceRemoves.get(i); pw.print(" Removing #"); pw.print(i); pw.print(' '); pw.print(w); if (dumpAll) { pw.println(":"); w.dump(pw, " ", true); } else { pw.println(); } } } if (mDestroySurface.size() > 0) { pw.println(); pw.println(" Windows waiting to destroy their surface:"); for (int i=mDestroySurface.size()-1; i>=0; i--) { WindowState w = mDestroySurface.get(i); if (windows == null || windows.contains(w)) { pw.print(" Destroy #"); pw.print(i); pw.print(' '); pw.print(w); if (dumpAll) { pw.println(":"); w.dump(pw, " ", true); } else { pw.println(); } } } } if (mLosingFocus.size() > 0) { pw.println(); pw.println(" Windows losing focus:"); for (int i=mLosingFocus.size()-1; i>=0; i--) { WindowState w = mLosingFocus.get(i); if (windows == null || windows.contains(w)) { pw.print(" Losing #"); pw.print(i); pw.print(' '); pw.print(w); if (dumpAll) { pw.println(":"); w.dump(pw, " ", true); } else { pw.println(); } } } } if (mResizingWindows.size() > 0) { pw.println(); pw.println(" Windows waiting to resize:"); for (int i=mResizingWindows.size()-1; i>=0; i--) { WindowState w = mResizingWindows.get(i); if (windows == null || windows.contains(w)) { pw.print(" Resizing #"); pw.print(i); pw.print(' '); pw.print(w); if (dumpAll) { pw.println(":"); w.dump(pw, " ", true); } else { pw.println(); } } } } if (mWaitingForDrawn.size() > 0) { pw.println(); pw.println(" Clients waiting for these windows to be drawn:"); for (int i=mWaitingForDrawn.size()-1; i>=0; i--) { Pair<WindowState, IRemoteCallback> pair = mWaitingForDrawn.get(i); pw.print(" Waiting #"); pw.print(i); pw.print(' '); pw.print(pair.first); pw.print(": "); pw.println(pair.second); } } pw.println(); if (mDisplay != null) { pw.print(" Display: init="); pw.print(mInitialDisplayWidth); pw.print("x"); pw.print(mInitialDisplayHeight); pw.print(" base="); pw.print(mBaseDisplayWidth); pw.print("x"); pw.print(mBaseDisplayHeight); pw.print(" cur="); pw.print(mCurDisplayWidth); pw.print("x"); pw.print(mCurDisplayHeight); pw.print(" app="); pw.print(mAppDisplayWidth); pw.print("x"); pw.print(mAppDisplayHeight); pw.print(" raw="); pw.print(mDisplay.getRawWidth()); pw.print("x"); pw.println(mDisplay.getRawHeight()); } else { pw.println(" NO DISPLAY"); } pw.print(" mCurConfiguration="); pw.println(this.mCurConfiguration); pw.print(" mCurrentFocus="); pw.println(mCurrentFocus); if (mLastFocus != mCurrentFocus) { pw.print(" mLastFocus="); pw.println(mLastFocus); } pw.print(" mFocusedApp="); pw.println(mFocusedApp); if (mInputMethodTarget != null) { pw.print(" mInputMethodTarget="); pw.println(mInputMethodTarget); } pw.print(" mInTouchMode="); pw.print(mInTouchMode); pw.print(" mLayoutSeq="); pw.println(mLayoutSeq); if (dumpAll) { if (mLastStatusBarVisibility != 0) { pw.print(" mLastStatusBarVisibility=0x"); pw.println(Integer.toHexString(mLastStatusBarVisibility)); } if (mInputMethodWindow != null) { pw.print(" mInputMethodWindow="); pw.println(mInputMethodWindow); } pw.print(" mWallpaperTarget="); pw.println(mWallpaperTarget); if (mLowerWallpaperTarget != null && mUpperWallpaperTarget != null) { pw.print(" mLowerWallpaperTarget="); pw.println(mLowerWallpaperTarget); pw.print(" mUpperWallpaperTarget="); pw.println(mUpperWallpaperTarget); } if (mWindowDetachedWallpaper != null) { pw.print(" mWindowDetachedWallpaper="); pw.println(mWindowDetachedWallpaper); } pw.print(" mLastWallpaperX="); pw.print(mLastWallpaperX); pw.print(" mLastWallpaperY="); pw.println(mLastWallpaperY); if (mInputMethodAnimLayerAdjustment != 0 || mWallpaperAnimLayerAdjustment != 0) { pw.print(" mInputMethodAnimLayerAdjustment="); pw.print(mInputMethodAnimLayerAdjustment); pw.print(" mWallpaperAnimLayerAdjustment="); pw.println(mWallpaperAnimLayerAdjustment); } if (mWindowAnimationBackgroundSurface != null) { pw.println(" mWindowAnimationBackgroundSurface:"); mWindowAnimationBackgroundSurface.printTo(" ", pw); } pw.print(" mSystemBooted="); pw.print(mSystemBooted); pw.print(" mDisplayEnabled="); pw.println(mDisplayEnabled); pw.print(" mLayoutNeeded="); pw.print(mLayoutNeeded); pw.print(" mBlurShown="); pw.println(mBlurShown); if (mDimAnimator != null) { pw.println(" mDimAnimator:"); mDimAnimator.printTo(" ", pw); } else { pw.println( " no DimAnimator "); } pw.print(" mDisplayFrozen="); pw.print(mDisplayFrozen); pw.print(" mWindowsFreezingScreen="); pw.print(mWindowsFreezingScreen); pw.print(" mAppsFreezingScreen="); pw.print(mAppsFreezingScreen); pw.print(" mWaitingForConfig="); pw.println(mWaitingForConfig); pw.print(" mRotation="); pw.print(mRotation); pw.print(" mAltOrientation="); pw.println(mAltOrientation); pw.print(" mLastWindowForcedOrientation"); pw.print(mLastWindowForcedOrientation); pw.print(" mForcedAppOrientation="); pw.println(mForcedAppOrientation); pw.print(" mDeferredRotationPauseCount="); pw.println(mDeferredRotationPauseCount); pw.print(" mAnimationPending="); pw.print(mAnimationPending); pw.print(" mWindowAnimationScale="); pw.print(mWindowAnimationScale); pw.print(" mTransitionWindowAnimationScale="); pw.println(mTransitionAnimationScale); pw.print(" mNextAppTransition=0x"); pw.print(Integer.toHexString(mNextAppTransition)); pw.print(" mAppTransitionReady="); pw.println(mAppTransitionReady); pw.print(" mAppTransitionRunning="); pw.print(mAppTransitionRunning); pw.print(" mAppTransitionTimeout="); pw.println( mAppTransitionTimeout); if (mNextAppTransitionPackage != null) { pw.print(" mNextAppTransitionPackage="); pw.print(mNextAppTransitionPackage); pw.print(" mNextAppTransitionEnter=0x"); pw.print(Integer.toHexString(mNextAppTransitionEnter)); pw.print(" mNextAppTransitionExit=0x"); pw.print(Integer.toHexString(mNextAppTransitionExit)); } pw.print(" mStartingIconInTransition="); pw.print(mStartingIconInTransition); pw.print(", mSkipAppTransitionAnimation="); pw.println(mSkipAppTransitionAnimation); } } boolean dumpWindows(FileDescriptor fd, PrintWriter pw, String name, String[] args, int opti, boolean dumpAll) { ArrayList<WindowState> windows = new ArrayList<WindowState>(); if ("visible".equals(name)) { synchronized(mWindowMap) { for (int i=mWindows.size()-1; i>=0; i--) { WindowState w = mWindows.get(i); if (w.mSurfaceShown) { windows.add(w); } } } } else { int objectId = 0; // See if this is an object ID. try { objectId = Integer.parseInt(name, 16); name = null; } catch (RuntimeException e) { } synchronized(mWindowMap) { for (int i=mWindows.size()-1; i>=0; i--) { WindowState w = mWindows.get(i); if (name != null) { if (w.mAttrs.getTitle().toString().contains(name)) { windows.add(w); } } else if (System.identityHashCode(w) == objectId) { windows.add(w); } } } } if (windows.size() <= 0) { return false; } synchronized(mWindowMap) { dumpWindowsLocked(fd, pw, dumpAll, windows); } return true; } @Override public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { if (mContext.checkCallingOrSelfPermission("android.permission.DUMP") != PackageManager.PERMISSION_GRANTED) { pw.println("Permission Denial: can't dump WindowManager from from pid=" + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()); return; } boolean dumpAll = false; int opti = 0; while (opti < args.length) { String opt = args[opti]; if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { break; } opti++; if ("-a".equals(opt)) { dumpAll = true; } else if ("-h".equals(opt)) { pw.println("Window manager dump options:"); pw.println(" [-a] [-h] [cmd] ..."); pw.println(" cmd may be one of:"); pw.println(" i[input]: input subsystem state"); pw.println(" p[policy]: policy state"); pw.println(" s[essions]: active sessions"); pw.println(" t[okens]: token list"); pw.println(" w[indows]: window list"); pw.println(" cmd may also be a NAME to dump windows. NAME may"); pw.println(" be a partial substring in a window name, a"); pw.println(" Window hex object identifier, or"); pw.println(" \"all\" for all windows, or"); pw.println(" \"visible\" for the visible windows."); pw.println(" -a: include all available server state."); return; } else { pw.println("Unknown argument: " + opt + "; use -h for help"); } } // Is the caller requesting to dump a particular piece of data? if (opti < args.length) { String cmd = args[opti]; opti++; if ("input".equals(cmd) || "i".equals(cmd)) { dumpInput(fd, pw, true); return; } else if ("policy".equals(cmd) || "p".equals(cmd)) { synchronized(mWindowMap) { dumpPolicyLocked(fd, pw, args, true); } return; } else if ("sessions".equals(cmd) || "s".equals(cmd)) { synchronized(mWindowMap) { dumpSessionsLocked(fd, pw, true); } return; } else if ("tokens".equals(cmd) || "t".equals(cmd)) { synchronized(mWindowMap) { dumpTokensLocked(fd, pw, true); } return; } else if ("windows".equals(cmd) || "w".equals(cmd)) { synchronized(mWindowMap) { dumpWindowsLocked(fd, pw, true, null); } return; } else if ("all".equals(cmd) || "a".equals(cmd)) { synchronized(mWindowMap) { dumpWindowsLocked(fd, pw, true, null); } return; } else { // Dumping a single name? if (!dumpWindows(fd, pw, cmd, args, opti, dumpAll)) { pw.println("Bad window command, or no windows match: " + cmd); pw.println("Use -h for help."); } return; } } dumpInput(fd, pw, dumpAll); synchronized(mWindowMap) { if (dumpAll) { pw.println("-------------------------------------------------------------------------------"); } dumpPolicyLocked(fd, pw, args, dumpAll); pw.println(); if (dumpAll) { pw.println("-------------------------------------------------------------------------------"); } dumpSessionsLocked(fd, pw, dumpAll); pw.println(); if (dumpAll) { pw.println("-------------------------------------------------------------------------------"); } dumpTokensLocked(fd, pw, dumpAll); pw.println(); if (dumpAll) { pw.println("-------------------------------------------------------------------------------"); } dumpWindowsLocked(fd, pw, dumpAll, null); } } // Called by the heartbeat to ensure locks are not held indefnitely (for deadlock detection). public void monitor() { synchronized (mWindowMap) { } synchronized (mKeyguardTokenWatcher) { } } public interface OnHardKeyboardStatusChangeListener { public void onHardKeyboardStatusChange(boolean available, boolean enabled); } }