/* * Copyright (C) 2008 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.systemui.statusbar.phone; import android.animation.LayoutTransition; import android.animation.LayoutTransition.TransitionListener; import android.animation.ObjectAnimator; import android.animation.TimeInterpolator; import android.animation.ValueAnimator; import android.app.ActivityManagerNative; import android.app.StatusBarManager; import android.content.ContentResolver; import android.content.Context; import android.content.res.Configuration; import android.graphics.Point; import android.graphics.Rect; import android.graphics.drawable.Drawable; import android.os.Handler; import android.os.Message; import android.os.RemoteException; import android.provider.Settings; import android.util.AttributeSet; import android.util.Log; import android.util.SparseArray; import android.view.Display; import android.view.IDockedStackListener.Stub; import android.view.MotionEvent; import android.view.Surface; import android.view.View; import android.view.ViewGroup; import android.view.WindowManager; import android.view.WindowManagerGlobal; import android.view.inputmethod.InputMethodManager; import android.widget.LinearLayout; import com.android.systemui.R; import com.android.systemui.RecentsComponent; import com.android.systemui.stackdivider.Divider; import com.android.systemui.statusbar.policy.BackButtonDrawable; import com.android.systemui.statusbar.policy.DeadZone; import com.android.systemui.tuner.TunerService; import java.io.FileDescriptor; import java.io.PrintWriter; import cyanogenmod.providers.CMSettings; public class NavigationBarView extends LinearLayout implements TunerService.Tunable { final static boolean DEBUG = false; final static String TAG = "StatusBar/NavBarView"; // slippery nav bar when everything is disabled, e.g. during setup final static boolean SLIPPERY_WHEN_DISABLED = true; final static boolean ALTERNATE_CAR_MODE_UI = false; final Display mDisplay; View mCurrentView = null; View[] mRotatedViews = new View[4]; boolean mVertical; boolean mScreenOn; boolean mLeftInLandscape; private int mCurrentRotation = -1; boolean mShowMenu; int mDisabledFlags = 0; int mNavigationIconHints = 0; private BackButtonDrawable mBackIcon, mBackLandIcon; private BackButtonDrawable mBackCarModeIcon, mBackLandCarModeIcon; private Drawable mHomeDefaultIcon, mHomeCarModeIcon; private Drawable mRecentIcon; private Drawable mDockedIcon; private Drawable mImeIcon; private Drawable mMenuIcon; private NavigationBarGestureHelper mGestureHelper; private DeadZone mDeadZone; private final NavigationBarTransitions mBarTransitions; // workaround for LayoutTransitions leaving the nav buttons in a weird state (bug 5549288) final static boolean WORKAROUND_INVALID_LAYOUT = true; final static int MSG_CHECK_INVALID_LAYOUT = 8686; private boolean mShowDpadArrowKeys; // performs manual animation in sync with layout transitions private final NavTransitionListener mTransitionListener = new NavTransitionListener(); private OnVerticalChangedListener mOnVerticalChangedListener; private boolean mLayoutTransitionsEnabled = true; private boolean mWakeAndUnlocking; private boolean mUseCarModeUi = false; private boolean mInCarMode = false; private boolean mDockedStackExists; private final SparseArray<ButtonDispatcher> mButtonDisatchers = new SparseArray<>(); private Configuration mConfiguration; private NavigationBarInflaterView mNavigationInflaterView; private class NavTransitionListener implements TransitionListener { private boolean mBackTransitioning; private boolean mHomeAppearing; private long mStartDelay; private long mDuration; private TimeInterpolator mInterpolator; @Override public void startTransition(LayoutTransition transition, ViewGroup container, View view, int transitionType) { if (view.getId() == R.id.back) { mBackTransitioning = true; } else if (view.getId() == R.id.home && transitionType == LayoutTransition.APPEARING) { mHomeAppearing = true; mStartDelay = transition.getStartDelay(transitionType); mDuration = transition.getDuration(transitionType); mInterpolator = transition.getInterpolator(transitionType); } } @Override public void endTransition(LayoutTransition transition, ViewGroup container, View view, int transitionType) { if (view.getId() == R.id.back) { mBackTransitioning = false; } else if (view.getId() == R.id.home && transitionType == LayoutTransition.APPEARING) { mHomeAppearing = false; } } public void onBackAltCleared() { ButtonDispatcher backButton = getBackButton(); // When dismissing ime during unlock, force the back button to run the same appearance // animation as home (if we catch this condition early enough). if (!mBackTransitioning && backButton.getVisibility() == VISIBLE && mHomeAppearing && getHomeButton().getAlpha() == 0) { getBackButton().setAlpha(0); ValueAnimator a = ObjectAnimator.ofFloat(backButton, "alpha", 0, 1); a.setStartDelay(mStartDelay); a.setDuration(mDuration); a.setInterpolator(mInterpolator); a.start(); } } } private final OnClickListener mImeSwitcherClickListener = new OnClickListener() { @Override public void onClick(View view) { mContext.getSystemService(InputMethodManager.class) .showInputMethodPicker(true /* showAuxiliarySubtypes */); } }; private class H extends Handler { public void handleMessage(Message m) { switch (m.what) { case MSG_CHECK_INVALID_LAYOUT: final String how = "" + m.obj; final int w = getWidth(); final int h = getHeight(); final int vw = getCurrentView().getWidth(); final int vh = getCurrentView().getHeight(); if (h != vh || w != vw) { Log.w(TAG, String.format( "*** Invalid layout in navigation bar (%s this=%dx%d cur=%dx%d)", how, w, h, vw, vh)); if (WORKAROUND_INVALID_LAYOUT) { requestLayout(); } } break; } } } public NavigationBarView(Context context, AttributeSet attrs) { super(context, attrs); mDisplay = ((WindowManager) context.getSystemService( Context.WINDOW_SERVICE)).getDefaultDisplay(); mVertical = false; mShowMenu = false; mGestureHelper = new NavigationBarGestureHelper(context); mConfiguration = new Configuration(); mConfiguration.updateFrom(context.getResources().getConfiguration()); updateIcons(context, Configuration.EMPTY, mConfiguration); mBarTransitions = new NavigationBarTransitions(this); mButtonDisatchers.put(R.id.back, new ButtonDispatcher(R.id.back)); mButtonDisatchers.put(R.id.home, new ButtonDispatcher(R.id.home)); mButtonDisatchers.put(R.id.recent_apps, new ButtonDispatcher(R.id.recent_apps)); mButtonDisatchers.put(R.id.menu, new ButtonDispatcher(R.id.menu)); mButtonDisatchers.put(R.id.menu_always_show, new ButtonDispatcher(R.id.menu_always_show)); mButtonDisatchers.put(R.id.search, new ButtonDispatcher(R.id.search)); mButtonDisatchers.put(R.id.ime_switcher, new ButtonDispatcher(R.id.ime_switcher)); } public BarTransitions getBarTransitions() { return mBarTransitions; } public void setComponents(RecentsComponent recentsComponent, Divider divider) { mGestureHelper.setComponents(recentsComponent, divider, this); } public void setOnVerticalChangedListener(OnVerticalChangedListener onVerticalChangedListener) { mOnVerticalChangedListener = onVerticalChangedListener; notifyVerticalChangedListener(mVertical); } @Override public boolean onTouchEvent(MotionEvent event) { if (mGestureHelper.onTouchEvent(event)) { return true; } if (mDeadZone != null && event.getAction() == MotionEvent.ACTION_OUTSIDE) { mDeadZone.poke(event); } return super.onTouchEvent(event); } @Override public boolean onInterceptTouchEvent(MotionEvent event) { return mGestureHelper.onInterceptTouchEvent(event); } public void abortCurrentGesture() { getHomeButton().abortCurrentGesture(); } private H mHandler = new H(); public View getCurrentView() { return mCurrentView; } public View[] getAllViews() { return mRotatedViews; } public ButtonDispatcher getRecentsButton() { return mButtonDisatchers.get(R.id.recent_apps); } public ButtonDispatcher getMenuButton() { return mButtonDisatchers.get(R.id.menu); } public ButtonDispatcher getMenuAlwaysShowButton() { return mButtonDisatchers.get(R.id.menu_always_show); } public ButtonDispatcher getBackButton() { return mButtonDisatchers.get(R.id.back); } public ButtonDispatcher getHomeButton() { return mButtonDisatchers.get(R.id.home); } public ButtonDispatcher getImeSwitchButton() { return mButtonDisatchers.get(R.id.ime_switcher); } public ButtonDispatcher getSearchButton() { return mButtonDisatchers.get(R.id.search); } public ViewGroup getDpadView() { return (ViewGroup) getCurrentView().findViewById(R.id.dpad_group); } private void updateCarModeIcons(Context ctx) { mBackCarModeIcon = new BackButtonDrawable( ctx.getDrawable(R.drawable.ic_sysbar_back_carmode)); mBackLandCarModeIcon = mBackCarModeIcon; mHomeCarModeIcon = ctx.getDrawable(R.drawable.ic_sysbar_home_carmode); } private void updateIcons(Context ctx, Configuration oldConfig, Configuration newConfig) { if (oldConfig.orientation != newConfig.orientation || oldConfig.densityDpi != newConfig.densityDpi) { mDockedIcon = ctx.getDrawable(R.drawable.ic_sysbar_docked); } if (oldConfig.densityDpi != newConfig.densityDpi) { mBackIcon = new BackButtonDrawable(ctx.getDrawable(R.drawable.ic_sysbar_back)); mBackLandIcon = mBackIcon; mHomeDefaultIcon = ctx.getDrawable(R.drawable.ic_sysbar_home); mRecentIcon = ctx.getDrawable(R.drawable.ic_sysbar_recent); mMenuIcon = ctx.getDrawable(R.drawable.ic_sysbar_menu); mImeIcon = ctx.getDrawable(R.drawable.ic_ime_switcher_default); if (ALTERNATE_CAR_MODE_UI) { updateCarModeIcons(ctx); } } } @Override public void setLayoutDirection(int layoutDirection) { // Reload all the icons updateIcons(getContext(), Configuration.EMPTY, mConfiguration); super.setLayoutDirection(layoutDirection); } public void notifyScreenOn(boolean screenOn) { mScreenOn = screenOn; setDisabledFlags(mDisabledFlags, true); } public void setNavigationIconHints(int hints) { setNavigationIconHints(hints, false); } private BackButtonDrawable getBackIcon(boolean carMode, boolean landscape) { return landscape ? carMode ? mBackLandCarModeIcon : mBackLandIcon : carMode ? mBackCarModeIcon : mBackIcon; } public void setNavigationIconHints(int hints, boolean force) { if (!force && hints == mNavigationIconHints) return; final boolean backAlt = (hints & StatusBarManager.NAVIGATION_HINT_BACK_ALT) != 0; if ((mNavigationIconHints & StatusBarManager.NAVIGATION_HINT_BACK_ALT) != 0 && !backAlt) { mTransitionListener.onBackAltCleared(); } if (DEBUG) { android.widget.Toast.makeText(getContext(), "Navigation icon hints = " + hints, 500).show(); } mNavigationIconHints = hints; // We have to replace or restore the back and home button icons when exiting or entering // carmode, respectively. Recents are not available in CarMode in nav bar so change // to recent icon is not required. BackButtonDrawable backIcon = getBackIcon(mUseCarModeUi, mVertical); backIcon.setImeVisible(backAlt); getBackButton().setImageDrawable(backIcon); updateRecentsIcon(); if (mUseCarModeUi) { getHomeButton().setImageDrawable(mHomeCarModeIcon); } else { getHomeButton().setImageDrawable(mHomeDefaultIcon); } final boolean showImeButton = ((hints & StatusBarManager.NAVIGATION_HINT_IME_SHOWN) != 0) && !mShowDpadArrowKeys; getImeSwitchButton().setVisibility(showImeButton ? View.VISIBLE : View.INVISIBLE); getImeSwitchButton().setImageDrawable(mImeIcon); setDisabledFlags(mDisabledFlags, true); updateDpadKeys(); // Update menu button in case the IME state has changed. setMenuVisibility(mShowMenu, true); getMenuButton().setImageDrawable(mMenuIcon); } public void setDisabledFlags(int disabledFlags) { setDisabledFlags(disabledFlags, false); } public void setDisabledFlags(int disabledFlags, boolean force) { if (!force && mDisabledFlags == disabledFlags) return; mDisabledFlags = disabledFlags; final boolean disableHome = ((disabledFlags & View.STATUS_BAR_DISABLE_HOME) != 0); // Always disable recents when alternate car mode UI is active. boolean disableRecent = mUseCarModeUi || ((disabledFlags & View.STATUS_BAR_DISABLE_RECENT) != 0); final boolean disableBack = ((disabledFlags & View.STATUS_BAR_DISABLE_BACK) != 0) && ((mNavigationIconHints & StatusBarManager.NAVIGATION_HINT_BACK_ALT) == 0); final boolean disableSearch = ((disabledFlags & View.STATUS_BAR_DISABLE_SEARCH) != 0); ViewGroup navButtons = (ViewGroup) getCurrentView().findViewById(R.id.nav_buttons); if (navButtons != null) { LayoutTransition lt = navButtons.getLayoutTransition(); if (lt != null) { if (!lt.getTransitionListeners().contains(mTransitionListener)) { lt.addTransitionListener(mTransitionListener); } } } if (inLockTask() && disableRecent && !disableHome) { // Don't hide recents when in lock task, it is used for exiting. // Unless home is hidden, then in DPM locked mode and no exit available. disableRecent = false; } getBackButton().setVisibility(disableBack ? View.INVISIBLE : View.VISIBLE); getHomeButton().setVisibility(disableHome ? View.INVISIBLE : View.VISIBLE); getRecentsButton().setVisibility(disableRecent ? View.INVISIBLE : View.VISIBLE); getSearchButton().setVisibility(disableSearch ? View.INVISIBLE : View.VISIBLE); } private boolean inLockTask() { try { return ActivityManagerNative.getDefault().isInLockTaskMode(); } catch (RemoteException e) { return false; } } public void setLayoutTransitionsEnabled(boolean enabled) { mLayoutTransitionsEnabled = enabled; updateLayoutTransitionsEnabled(); } public void setWakeAndUnlocking(boolean wakeAndUnlocking) { setUseFadingAnimations(wakeAndUnlocking); mWakeAndUnlocking = wakeAndUnlocking; updateLayoutTransitionsEnabled(); } private void updateLayoutTransitionsEnabled() { boolean enabled = !mWakeAndUnlocking && mLayoutTransitionsEnabled; ViewGroup navButtons = (ViewGroup) getCurrentView().findViewById(R.id.nav_buttons); LayoutTransition lt = navButtons.getLayoutTransition(); if (lt != null) { if (enabled) { lt.enableTransitionType(LayoutTransition.APPEARING); lt.enableTransitionType(LayoutTransition.DISAPPEARING); lt.enableTransitionType(LayoutTransition.CHANGE_APPEARING); lt.enableTransitionType(LayoutTransition.CHANGE_DISAPPEARING); } else { lt.disableTransitionType(LayoutTransition.APPEARING); lt.disableTransitionType(LayoutTransition.DISAPPEARING); lt.disableTransitionType(LayoutTransition.CHANGE_APPEARING); lt.disableTransitionType(LayoutTransition.CHANGE_DISAPPEARING); } } } private void setUseFadingAnimations(boolean useFadingAnimations) { WindowManager.LayoutParams lp = (WindowManager.LayoutParams) getLayoutParams(); if (lp != null) { boolean old = lp.windowAnimations != 0; if (!old && useFadingAnimations) { lp.windowAnimations = R.style.Animation_NavigationBarFadeIn; } else if (old && !useFadingAnimations) { lp.windowAnimations = 0; } else { return; } WindowManager wm = (WindowManager)getContext().getSystemService(Context.WINDOW_SERVICE); wm.updateViewLayout(this, lp); } } public void setMenuVisibility(final boolean show) { setMenuVisibility(show, false); } public void setMenuVisibility(final boolean show, final boolean force) { if (!force && mShowMenu == show) return; mShowMenu = show; // Only show Menu if IME switcher not shown. final boolean shouldShow = mShowMenu && ((mNavigationIconHints & StatusBarManager.NAVIGATION_HINT_IME_SHOWN) == 0); final boolean shouldShowAlwaysMenu = (mNavigationIconHints & StatusBarManager.NAVIGATION_HINT_IME_SHOWN) == 0; getMenuButton().setVisibility(shouldShow ? View.VISIBLE : View.INVISIBLE); getMenuAlwaysShowButton().setVisibility(shouldShowAlwaysMenu ? View.VISIBLE : View.INVISIBLE); getSearchButton().setVisibility(shouldShowAlwaysMenu ? View.VISIBLE : View.INVISIBLE); } @Override public void onFinishInflate() { mNavigationInflaterView = (NavigationBarInflaterView) findViewById( R.id.navigation_inflater); updateRotatedViews(); mNavigationInflaterView.setButtonDispatchers(mButtonDisatchers); getImeSwitchButton().setOnClickListener(mImeSwitcherClickListener); try { WindowManagerGlobal.getWindowManagerService().registerDockedStackListener(new Stub() { @Override public void onDividerVisibilityChanged(boolean visible) throws RemoteException { } @Override public void onDockedStackExistsChanged(final boolean exists) throws RemoteException { mHandler.post(new Runnable() { @Override public void run() { mDockedStackExists = exists; updateRecentsIcon(); } }); } @Override public void onDockedStackMinimizedChanged(boolean minimized, long animDuration) throws RemoteException { } @Override public void onAdjustedForImeChanged(boolean adjustedForIme, long animDuration) throws RemoteException { } @Override public void onDockSideChanged(int newDockSide) throws RemoteException { } }); } catch (RemoteException e) { Log.e(TAG, "Failed registering docked stack exists listener", e); } } void updateRotatedViews() { mRotatedViews[Surface.ROTATION_0] = mRotatedViews[Surface.ROTATION_180] = findViewById(R.id.rot0); mRotatedViews[Surface.ROTATION_270] = mRotatedViews[Surface.ROTATION_90] = findViewById(R.id.rot90); updateCurrentView(); } public void setLeftInLandscape(boolean leftInLandscape) { mLeftInLandscape = leftInLandscape; mDeadZone.setStartFromRight(leftInLandscape); } public boolean needsReorient(int rotation) { return mCurrentRotation != rotation; } private void updateCurrentView() { final int rot = mDisplay.getRotation(); for (int i=0; i<4; i++) { mRotatedViews[i].setVisibility(View.GONE); } mCurrentView = mRotatedViews[rot]; mCurrentView.setVisibility(View.VISIBLE); mNavigationInflaterView.setAlternativeOrder(rot == Surface.ROTATION_90 || rot == Surface.ROTATION_270); for (int i = 0; i < mButtonDisatchers.size(); i++) { mButtonDisatchers.valueAt(i).setCurrentView(mCurrentView); } updateLayoutTransitionsEnabled(); mCurrentRotation = rot; } private void updateRecentsIcon() { getRecentsButton().setImageDrawable(mDockedStackExists ? mDockedIcon : mRecentIcon); } public boolean isVertical() { return mVertical; } public void reorient() { updateCurrentView(); getImeSwitchButton().setOnClickListener(mImeSwitcherClickListener); mDeadZone = (DeadZone) mCurrentView.findViewById(R.id.deadzone); mDeadZone.setStartFromRight(mLeftInLandscape); // force the low profile & disabled states into compliance mBarTransitions.init(); setDisabledFlags(mDisabledFlags, true /* force */); setMenuVisibility(mShowMenu, true /* force */); if (DEBUG) { Log.d(TAG, "reorient(): rot=" + mCurrentRotation); } updateTaskSwitchHelper(); setNavigationIconHints(mNavigationIconHints, true); } private void updateTaskSwitchHelper() { boolean isRtl = (getLayoutDirection() == View.LAYOUT_DIRECTION_RTL); mGestureHelper.setBarState(mVertical, isRtl); } @Override protected void onSizeChanged(int w, int h, int oldw, int oldh) { if (DEBUG) Log.d(TAG, String.format( "onSizeChanged: (%dx%d) old: (%dx%d)", w, h, oldw, oldh)); final boolean newVertical = w > 0 && h > w; if (newVertical != mVertical) { mVertical = newVertical; //Log.v(TAG, String.format("onSizeChanged: h=%d, w=%d, vert=%s", h, w, mVertical?"y":"n")); reorient(); notifyVerticalChangedListener(newVertical); } postCheckForInvalidLayout("sizeChanged"); super.onSizeChanged(w, h, oldw, oldh); } private void notifyVerticalChangedListener(boolean newVertical) { if (mOnVerticalChangedListener != null) { mOnVerticalChangedListener.onVerticalChanged(newVertical); } } @Override protected void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); boolean uiCarModeChanged = updateCarMode(newConfig); updateTaskSwitchHelper(); updateIcons(getContext(), mConfiguration, newConfig); updateRecentsIcon(); if (uiCarModeChanged || mConfiguration.densityDpi != newConfig.densityDpi) { // If car mode or density changes, we need to reset the icons. setNavigationIconHints(mNavigationIconHints, true); } mConfiguration.updateFrom(newConfig); } /** * If the configuration changed, update the carmode and return that it was updated. */ private boolean updateCarMode(Configuration newConfig) { boolean uiCarModeChanged = false; if (newConfig != null) { int uiMode = newConfig.uiMode & Configuration.UI_MODE_TYPE_MASK; final boolean isCarMode = (uiMode == Configuration.UI_MODE_TYPE_CAR); if (isCarMode != mInCarMode) { mInCarMode = isCarMode; getHomeButton().setCarMode(isCarMode); if (ALTERNATE_CAR_MODE_UI) { mUseCarModeUi = isCarMode; uiCarModeChanged = true; } else { // Don't use car mode behavior if ALTERNATE_CAR_MODE_UI not set. mUseCarModeUi = false; } } } return uiCarModeChanged; } /* @Override protected void onLayout (boolean changed, int left, int top, int right, int bottom) { if (DEBUG) Log.d(TAG, String.format( "onLayout: %s (%d,%d,%d,%d)", changed?"changed":"notchanged", left, top, right, bottom)); super.onLayout(changed, left, top, right, bottom); } // uncomment this for extra defensiveness in WORKAROUND_INVALID_LAYOUT situations: if all else // fails, any touch on the display will fix the layout. @Override public boolean onInterceptTouchEvent(MotionEvent ev) { if (DEBUG) Log.d(TAG, "onInterceptTouchEvent: " + ev.toString()); if (ev.getAction() == MotionEvent.ACTION_DOWN) { postCheckForInvalidLayout("touch"); } return super.onInterceptTouchEvent(ev); } */ private String getResourceName(int resId) { if (resId != 0) { final android.content.res.Resources res = getContext().getResources(); try { return res.getResourceName(resId); } catch (android.content.res.Resources.NotFoundException ex) { return "(unknown)"; } } else { return "(null)"; } } private void postCheckForInvalidLayout(final String how) { mHandler.obtainMessage(MSG_CHECK_INVALID_LAYOUT, 0, 0, how).sendToTarget(); } private static String visibilityToString(int vis) { switch (vis) { case View.INVISIBLE: return "INVISIBLE"; case View.GONE: return "GONE"; default: return "VISIBLE"; } } public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { pw.println("NavigationBarView {"); final Rect r = new Rect(); final Point size = new Point(); mDisplay.getRealSize(size); pw.println(String.format(" this: " + PhoneStatusBar.viewInfo(this) + " " + visibilityToString(getVisibility()))); getWindowVisibleDisplayFrame(r); final boolean offscreen = r.right > size.x || r.bottom > size.y; pw.println(" window: " + r.toShortString() + " " + visibilityToString(getWindowVisibility()) + (offscreen ? " OFFSCREEN!" : "")); pw.println(String.format(" mCurrentView: id=%s (%dx%d) %s", getResourceName(getCurrentView().getId()), getCurrentView().getWidth(), getCurrentView().getHeight(), visibilityToString(getCurrentView().getVisibility()))); pw.println(String.format(" disabled=0x%08x vertical=%s menu=%s", mDisabledFlags, mVertical ? "true" : "false", mShowMenu ? "true" : "false")); dumpButton(pw, "back", getBackButton()); dumpButton(pw, "home", getHomeButton()); dumpButton(pw, "rcnt", getRecentsButton()); dumpButton(pw, "menu", getMenuButton()); pw.println(" }"); } private static void dumpButton(PrintWriter pw, String caption, ButtonDispatcher button) { pw.print(" " + caption + ": "); if (button == null) { pw.print("null"); } else { pw.print(visibilityToString(button.getVisibility()) + " alpha=" + button.getAlpha() ); } pw.println(); } public interface OnVerticalChangedListener { void onVerticalChanged(boolean isVertical); } @Override protected void onAttachedToWindow() { super.onAttachedToWindow(); TunerService.get(getContext()).addTunable(this, "cmsystem:" + CMSettings.System.NAVIGATION_BAR_MENU_ARROW_KEYS); } @Override protected void onDetachedFromWindow() { super.onDetachedFromWindow(); TunerService.get(getContext()).removeTunable(this); } @Override public void onTuningChanged(String key, String newValue) { mShowDpadArrowKeys = CMSettings.System.getInt(getContext().getContentResolver(), CMSettings.System.NAVIGATION_BAR_MENU_ARROW_KEYS, 0) != 0; setNavigationIconHints(mNavigationIconHints, true); } public void updateDpadKeys() { if (mShowDpadArrowKeys) { // overrides IME button final boolean showingIme = ((mNavigationIconHints & StatusBarManager.NAVIGATION_HINT_BACK_ALT) != 0); final int vis = showingIme ? View.VISIBLE : View.INVISIBLE; getDpadView().setVisibility(vis); } } }