/*
* 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.Animator;
import android.animation.AnimatorListenerAdapter;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Rect;
import android.os.Handler;
import android.os.Message;
import android.os.ServiceManager;
import android.util.AttributeSet;
import android.util.Slog;
import android.view.animation.AccelerateInterpolator;
import android.view.Display;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.Surface;
import android.view.WindowManager;
import android.widget.LinearLayout;
import java.io.FileDescriptor;
import java.io.PrintWriter;
import java.lang.StringBuilder;
import com.android.internal.statusbar.IStatusBarService;
import com.android.systemui.R;
public class NavigationBarView extends LinearLayout {
final static boolean DEBUG = false;
final static String TAG = "PhoneStatusBar/NavigationBarView";
final static boolean DEBUG_DEADZONE = false;
final static boolean NAVBAR_ALWAYS_AT_RIGHT = true;
final static boolean ANIMATE_HIDE_TRANSITION = false; // turned off because it introduces unsightly delay when videos goes to full screen
protected IStatusBarService mBarService;
final Display mDisplay;
View mCurrentView = null;
View[] mRotatedViews = new View[4];
int mBarSize;
boolean mVertical;
boolean mHidden, mLowProfile, mShowMenu;
int mDisabledFlags = 0;
// 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 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 = mCurrentView.getWidth();
final int vh = mCurrentView.getHeight();
if (h != vh || w != vw) {
Slog.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;
}
}
}
private H mHandler = new H();
public View getRecentsButton() {
return mCurrentView.findViewById(R.id.recent_apps);
}
public View getMenuButton() {
return mCurrentView.findViewById(R.id.menu);
}
public View getBackButton() {
return mCurrentView.findViewById(R.id.back);
}
public View getHomeButton() {
return mCurrentView.findViewById(R.id.home);
}
public NavigationBarView(Context context, AttributeSet attrs) {
super(context, attrs);
mHidden = false;
mDisplay = ((WindowManager)context.getSystemService(
Context.WINDOW_SERVICE)).getDefaultDisplay();
mBarService = IStatusBarService.Stub.asInterface(
ServiceManager.getService(Context.STATUS_BAR_SERVICE));
final Resources res = mContext.getResources();
mBarSize = res.getDimensionPixelSize(R.dimen.navigation_bar_size);
mVertical = false;
mShowMenu = false;
}
View.OnTouchListener mLightsOutListener = new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent ev) {
if (ev.getAction() == MotionEvent.ACTION_DOWN) {
// even though setting the systemUI visibility below will turn these views
// on, we need them to come up faster so that they can catch this motion
// event
setLowProfile(false, false, false);
try {
mBarService.setSystemUiVisibility(0);
} catch (android.os.RemoteException ex) {
}
}
return false;
}
};
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);
final boolean disableRecent = ((disabledFlags & View.STATUS_BAR_DISABLE_RECENT) != 0);
final boolean disableBack = ((disabledFlags & View.STATUS_BAR_DISABLE_BACK) != 0);
getBackButton() .setVisibility(disableBack ? View.INVISIBLE : View.VISIBLE);
getHomeButton() .setVisibility(disableHome ? View.INVISIBLE : View.VISIBLE);
getRecentsButton().setVisibility(disableRecent ? View.INVISIBLE : View.VISIBLE);
}
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;
getMenuButton().setVisibility(mShowMenu ? View.VISIBLE : View.INVISIBLE);
}
public void setLowProfile(final boolean lightsOut) {
setLowProfile(lightsOut, true, false);
}
public void setLowProfile(final boolean lightsOut, final boolean animate, final boolean force) {
if (!force && lightsOut == mLowProfile) return;
mLowProfile = lightsOut;
if (DEBUG) Slog.d(TAG, "setting lights " + (lightsOut?"out":"on"));
final View navButtons = mCurrentView.findViewById(R.id.nav_buttons);
final View lowLights = mCurrentView.findViewById(R.id.lights_out);
// ok, everyone, stop it right there
navButtons.animate().cancel();
lowLights.animate().cancel();
if (!animate) {
navButtons.setAlpha(lightsOut ? 0f : 1f);
lowLights.setAlpha(lightsOut ? 1f : 0f);
lowLights.setVisibility(lightsOut ? View.VISIBLE : View.GONE);
} else {
navButtons.animate()
.alpha(lightsOut ? 0f : 1f)
.setDuration(lightsOut ? 600 : 200)
.start();
lowLights.setOnTouchListener(mLightsOutListener);
if (lowLights.getVisibility() == View.GONE) {
lowLights.setAlpha(0f);
lowLights.setVisibility(View.VISIBLE);
}
lowLights.animate()
.alpha(lightsOut ? 1f : 0f)
.setStartDelay(lightsOut ? 500 : 0)
.setDuration(lightsOut ? 1000 : 300)
.setInterpolator(new AccelerateInterpolator(2.0f))
.setListener(lightsOut ? null : new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator _a) {
lowLights.setVisibility(View.GONE);
}
})
.start();
}
}
public void setHidden(final boolean hide) {
if (hide == mHidden) return;
mHidden = hide;
Slog.d(TAG,
(hide ? "HIDING" : "SHOWING") + " navigation bar");
// bring up the lights no matter what
setLowProfile(false);
}
public void onFinishInflate() {
mRotatedViews[Surface.ROTATION_0] =
mRotatedViews[Surface.ROTATION_180] = findViewById(R.id.rot0);
mRotatedViews[Surface.ROTATION_90] = findViewById(R.id.rot90);
mRotatedViews[Surface.ROTATION_270] = NAVBAR_ALWAYS_AT_RIGHT
? findViewById(R.id.rot90)
: findViewById(R.id.rot270);
for (View v : mRotatedViews) {
// this helps avoid drawing artifacts with glowing navigation keys
ViewGroup group = (ViewGroup) v.findViewById(R.id.nav_buttons);
group.setMotionEventSplittingEnabled(false);
}
mCurrentView = mRotatedViews[Surface.ROTATION_0];
}
public void reorient() {
final int rot = mDisplay.getRotation();
for (int i=0; i<4; i++) {
mRotatedViews[i].setVisibility(View.GONE);
}
mCurrentView = mRotatedViews[rot];
mCurrentView.setVisibility(View.VISIBLE);
mVertical = (rot == Surface.ROTATION_90 || rot == Surface.ROTATION_270);
// force the low profile & disabled states into compliance
setLowProfile(mLowProfile, false, true /* force */);
setDisabledFlags(mDisabledFlags, true /* force */);
setMenuVisibility(mShowMenu, true /* force */);
if (DEBUG_DEADZONE) {
mCurrentView.findViewById(R.id.deadzone).setBackgroundColor(0x808080FF);
}
if (DEBUG) {
Slog.d(TAG, "reorient(): rot=" + mDisplay.getRotation());
}
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
if (DEBUG) Slog.d(TAG, String.format(
"onSizeChanged: (%dx%d) old: (%dx%d)", w, h, oldw, oldh));
postCheckForInvalidLayout("sizeChanged");
super.onSizeChanged(w, h, oldw, oldh);
}
/*
@Override
protected void onLayout (boolean changed, int left, int top, int right, int bottom) {
if (DEBUG) Slog.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) Slog.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 = mContext.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();
pw.println(String.format(" this: " + PhoneStatusBar.viewInfo(this)
+ " " + visibilityToString(getVisibility())));
getWindowVisibleDisplayFrame(r);
final boolean offscreen = r.right > mDisplay.getRawWidth()
|| r.bottom > mDisplay.getRawHeight();
pw.println(" window: "
+ r.toShortString()
+ " " + visibilityToString(getWindowVisibility())
+ (offscreen ? " OFFSCREEN!" : ""));
pw.println(String.format(" mCurrentView: id=%s (%dx%d) %s",
getResourceName(mCurrentView.getId()),
mCurrentView.getWidth(), mCurrentView.getHeight(),
visibilityToString(mCurrentView.getVisibility())));
pw.println(String.format(" disabled=0x%08x vertical=%s hidden=%s low=%s menu=%s",
mDisabledFlags,
mVertical ? "true" : "false",
mHidden ? "true" : "false",
mLowProfile ? "true" : "false",
mShowMenu ? "true" : "false"));
final View back = getBackButton();
final View home = getHomeButton();
final View recent = getRecentsButton();
final View menu = getMenuButton();
pw.println(" back: "
+ PhoneStatusBar.viewInfo(back)
+ " " + visibilityToString(back.getVisibility())
);
pw.println(" home: "
+ PhoneStatusBar.viewInfo(home)
+ " " + visibilityToString(home.getVisibility())
);
pw.println(" rcnt: "
+ PhoneStatusBar.viewInfo(recent)
+ " " + visibilityToString(recent.getVisibility())
);
pw.println(" menu: "
+ PhoneStatusBar.viewInfo(menu)
+ " " + visibilityToString(menu.getVisibility())
);
pw.println(" }");
}
}