PhoneWindowManager.java revision 155edc693eecb64d821a95567e719d0de7ee9c85 
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.server.policy;
18
19import static android.app.ActivityManager.StackId.DOCKED_STACK_ID;
20import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
21import static android.app.ActivityManager.StackId.HOME_STACK_ID;
22import static android.content.pm.PackageManager.FEATURE_PICTURE_IN_PICTURE;
23import static android.content.pm.PackageManager.FEATURE_TELEVISION;
24import static android.content.pm.PackageManager.FEATURE_WATCH;
25import static android.content.res.Configuration.EMPTY;
26import static android.content.res.Configuration.UI_MODE_TYPE_CAR;
27import static android.content.res.Configuration.UI_MODE_TYPE_MASK;
28import static android.view.WindowManager.DOCKED_TOP;
29import static android.view.WindowManager.DOCKED_LEFT;
30import static android.view.WindowManager.DOCKED_RIGHT;
31import static android.view.WindowManager.TAKE_SCREENSHOT_FULLSCREEN;
32import static android.view.WindowManager.TAKE_SCREENSHOT_SELECTED_REGION;
33import static android.view.WindowManager.LayoutParams.*;
34import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVERED;
35import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVER_ABSENT;
36import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_UNCOVERED;
37import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_ABSENT;
38import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_CLOSED;
39import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_OPEN;
40
41import android.app.ActivityManager;
42import android.app.ActivityManager.StackId;
43import android.app.ActivityManagerInternal;
44import android.app.ActivityManagerInternal.SleepToken;
45import android.app.ActivityManagerNative;
46import android.app.AppOpsManager;
47import android.app.IUiModeManager;
48import android.app.ProgressDialog;
49import android.app.SearchManager;
50import android.app.StatusBarManager;
51import android.app.UiModeManager;
52import android.content.ActivityNotFoundException;
53import android.content.BroadcastReceiver;
54import android.content.ComponentName;
55import android.content.ContentResolver;
56import android.content.Context;
57import android.content.Intent;
58import android.content.IntentFilter;
59import android.content.ServiceConnection;
60import android.content.pm.ActivityInfo;
61import android.content.pm.ApplicationInfo;
62import android.content.pm.PackageManager;
63import android.content.pm.ResolveInfo;
64import android.content.res.CompatibilityInfo;
65import android.content.res.Configuration;
66import android.content.res.Resources;
67import android.content.res.TypedArray;
68import android.database.ContentObserver;
69import android.graphics.PixelFormat;
70import android.graphics.Rect;
71import android.hardware.hdmi.HdmiControlManager;
72import android.hardware.hdmi.HdmiPlaybackClient;
73import android.hardware.hdmi.HdmiPlaybackClient.OneTouchPlayCallback;
74import android.hardware.input.InputManagerInternal;
75import android.media.AudioAttributes;
76import android.media.AudioManager;
77import android.media.AudioSystem;
78import android.media.IAudioService;
79import android.media.Ringtone;
80import android.media.RingtoneManager;
81import android.media.session.MediaSessionLegacyHelper;
82import android.os.Binder;
83import android.os.Build;
84import android.os.Bundle;
85import android.os.Debug;
86import android.os.FactoryTest;
87import android.os.Handler;
88import android.os.IBinder;
89import android.os.IDeviceIdleController;
90import android.os.Looper;
91import android.os.Message;
92import android.os.Messenger;
93import android.os.PowerManager;
94import android.os.PowerManagerInternal;
95import android.os.Process;
96import android.os.RemoteException;
97import android.os.ServiceManager;
98import android.os.SystemClock;
99import android.os.SystemProperties;
100import android.os.UEventObserver;
101import android.os.UserHandle;
102import android.os.Vibrator;
103import android.provider.MediaStore;
104import android.provider.Settings;
105import android.service.dreams.DreamManagerInternal;
106import android.service.dreams.DreamService;
107import android.service.dreams.IDreamManager;
108import android.speech.RecognizerIntent;
109import android.telecom.TelecomManager;
110import android.util.DisplayMetrics;
111import android.util.EventLog;
112import android.util.Log;
113import android.util.MutableBoolean;
114import android.util.Slog;
115import android.util.SparseArray;
116import android.util.LongSparseArray;
117import android.view.Display;
118import android.view.Gravity;
119import android.view.HapticFeedbackConstants;
120import android.view.IApplicationToken;
121import android.view.IWindowManager;
122import android.view.InputChannel;
123import android.view.InputDevice;
124import android.view.InputEvent;
125import android.view.InputEventReceiver;
126import android.view.KeyCharacterMap;
127import android.view.KeyCharacterMap.FallbackAction;
128import android.view.KeyEvent;
129import android.view.MotionEvent;
130import android.view.Surface;
131import android.view.View;
132import android.view.ViewConfiguration;
133import android.view.WindowManager;
134import android.view.WindowManagerGlobal;
135import android.view.WindowManagerInternal;
136import android.view.WindowManagerPolicy;
137import android.view.accessibility.AccessibilityEvent;
138import android.view.accessibility.AccessibilityManager;
139import android.view.animation.Animation;
140import android.view.animation.AnimationSet;
141import android.view.animation.AnimationUtils;
142import com.android.internal.R;
143import com.android.internal.logging.MetricsLogger;
144import com.android.internal.policy.PhoneWindow;
145import com.android.internal.policy.IShortcutService;
146import com.android.internal.statusbar.IStatusBarService;
147import com.android.internal.util.ScreenShapeHelper;
148import com.android.internal.widget.PointerLocationView;
149import com.android.server.GestureLauncherService;
150import com.android.server.LocalServices;
151import com.android.server.policy.keyguard.KeyguardServiceDelegate;
152import com.android.server.policy.keyguard.KeyguardServiceDelegate.DrawnListener;
153import com.android.server.statusbar.StatusBarManagerInternal;
154
155import java.io.File;
156import java.io.FileReader;
157import java.io.IOException;
158import java.io.PrintWriter;
159import java.util.HashSet;
160import java.util.List;
161
162/**
163 * WindowManagerPolicy implementation for the Android phone UI.  This
164 * introduces a new method suffix, Lp, for an internal lock of the
165 * PhoneWindowManager.  This is used to protect some internal state, and
166 * can be acquired with either the Lw and Li lock held, so has the restrictions
167 * of both of those when held.
168 */
169public class PhoneWindowManager implements WindowManagerPolicy {
170    static final String TAG = "WindowManager";
171    static final boolean DEBUG = false;
172    static final boolean localLOGV = false;
173    static final boolean DEBUG_INPUT = false;
174    static final boolean DEBUG_KEYGUARD = false;
175    static final boolean DEBUG_LAYOUT = false;
176    static final boolean DEBUG_STARTING_WINDOW = false;
177    static final boolean DEBUG_WAKEUP = false;
178    static final boolean SHOW_STARTING_ANIMATIONS = true;
179    static final boolean SHOW_PROCESSES_ON_ALT_MENU = false;
180
181    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
182    // No longer recommended for desk docks;
183    static final boolean ENABLE_DESK_DOCK_HOME_CAPTURE = false;
184
185    static final int SHORT_PRESS_POWER_NOTHING = 0;
186    static final int SHORT_PRESS_POWER_GO_TO_SLEEP = 1;
187    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP = 2;
188    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME = 3;
189    static final int SHORT_PRESS_POWER_GO_HOME = 4;
190
191    static final int LONG_PRESS_POWER_NOTHING = 0;
192    static final int LONG_PRESS_POWER_GLOBAL_ACTIONS = 1;
193    static final int LONG_PRESS_POWER_SHUT_OFF = 2;
194    static final int LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM = 3;
195
196    static final int LONG_PRESS_BACK_NOTHING = 0;
197    static final int LONG_PRESS_BACK_GO_TO_VOICE_ASSIST = 1;
198
199    static final int MULTI_PRESS_POWER_NOTHING = 0;
200    static final int MULTI_PRESS_POWER_THEATER_MODE = 1;
201    static final int MULTI_PRESS_POWER_BRIGHTNESS_BOOST = 2;
202
203    // These need to match the documentation/constant in
204    // core/res/res/values/config.xml
205    static final int LONG_PRESS_HOME_NOTHING = 0;
206    static final int LONG_PRESS_HOME_RECENT_SYSTEM_UI = 1;
207    static final int LONG_PRESS_HOME_ASSIST = 2;
208    static final int LAST_LONG_PRESS_HOME_BEHAVIOR = LONG_PRESS_HOME_ASSIST;
209
210    static final int DOUBLE_TAP_HOME_NOTHING = 0;
211    static final int DOUBLE_TAP_HOME_RECENT_SYSTEM_UI = 1;
212
213    static final int SHORT_PRESS_WINDOW_NOTHING = 0;
214    static final int SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE = 1;
215
216    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP = 0;
217    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME = 1;
218
219    // Controls navigation bar opacity depending on which workspace stacks are currently
220    // visible.
221    // Nav bar is always opaque when either the freeform stack or docked stack is visible.
222    static final int NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED = 0;
223    // Nav bar is always translucent when the freeform stack is visible, otherwise always opaque.
224    static final int NAV_BAR_TRANSLUCENT_WHEN_FREEFORM_OPAQUE_OTHERWISE = 1;
225
226    static final int APPLICATION_MEDIA_SUBLAYER = -2;
227    static final int APPLICATION_MEDIA_OVERLAY_SUBLAYER = -1;
228    static final int APPLICATION_PANEL_SUBLAYER = 1;
229    static final int APPLICATION_SUB_PANEL_SUBLAYER = 2;
230    static final int APPLICATION_ABOVE_SUB_PANEL_SUBLAYER = 3;
231
232    static public final String SYSTEM_DIALOG_REASON_KEY = "reason";
233    static public final String SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS = "globalactions";
234    static public final String SYSTEM_DIALOG_REASON_RECENT_APPS = "recentapps";
235    static public final String SYSTEM_DIALOG_REASON_HOME_KEY = "homekey";
236    static public final String SYSTEM_DIALOG_REASON_ASSIST = "assist";
237
238    /**
239     * These are the system UI flags that, when changing, can cause the layout
240     * of the screen to change.
241     */
242    static final int SYSTEM_UI_CHANGING_LAYOUT =
243              View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
244            | View.SYSTEM_UI_FLAG_FULLSCREEN
245            | View.STATUS_BAR_TRANSLUCENT
246            | View.NAVIGATION_BAR_TRANSLUCENT
247            | View.STATUS_BAR_TRANSPARENT
248            | View.NAVIGATION_BAR_TRANSPARENT;
249
250    private static final AudioAttributes VIBRATION_ATTRIBUTES = new AudioAttributes.Builder()
251            .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
252            .setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION)
253            .build();
254
255    // The panic gesture may become active only after the keyguard is dismissed and the immersive
256    // app shows again. If that doesn't happen for 30s we drop the gesture.
257    private static final long PANIC_GESTURE_EXPIRATION = 30000;
258
259    private static final String SYSUI_PACKAGE = "com.android.systemui";
260    private static final String SYSUI_SCREENSHOT_SERVICE =
261            "com.android.systemui.screenshot.TakeScreenshotService";
262    private static final String SYSUI_SCREENSHOT_ERROR_RECEIVER =
263            "com.android.systemui.screenshot.ScreenshotServiceErrorReceiver";
264
265    /**
266     * Keyguard stuff
267     */
268    private WindowState mKeyguardScrim;
269    private boolean mKeyguardHidden;
270    private boolean mKeyguardDrawnOnce;
271
272    /* Table of Application Launch keys.  Maps from key codes to intent categories.
273     *
274     * These are special keys that are used to launch particular kinds of applications,
275     * such as a web browser.  HID defines nearly a hundred of them in the Consumer (0x0C)
276     * usage page.  We don't support quite that many yet...
277     */
278    static SparseArray<String> sApplicationLaunchKeyCategories;
279    static {
280        sApplicationLaunchKeyCategories = new SparseArray<String>();
281        sApplicationLaunchKeyCategories.append(
282                KeyEvent.KEYCODE_EXPLORER, Intent.CATEGORY_APP_BROWSER);
283        sApplicationLaunchKeyCategories.append(
284                KeyEvent.KEYCODE_ENVELOPE, Intent.CATEGORY_APP_EMAIL);
285        sApplicationLaunchKeyCategories.append(
286                KeyEvent.KEYCODE_CONTACTS, Intent.CATEGORY_APP_CONTACTS);
287        sApplicationLaunchKeyCategories.append(
288                KeyEvent.KEYCODE_CALENDAR, Intent.CATEGORY_APP_CALENDAR);
289        sApplicationLaunchKeyCategories.append(
290                KeyEvent.KEYCODE_MUSIC, Intent.CATEGORY_APP_MUSIC);
291        sApplicationLaunchKeyCategories.append(
292                KeyEvent.KEYCODE_CALCULATOR, Intent.CATEGORY_APP_CALCULATOR);
293    }
294
295    /** Amount of time (in milliseconds) to wait for windows drawn before powering on. */
296    static final int WAITING_FOR_DRAWN_TIMEOUT = 1000;
297
298    /**
299     * Lock protecting internal state.  Must not call out into window
300     * manager with lock held.  (This lock will be acquired in places
301     * where the window manager is calling in with its own lock held.)
302     */
303    private final Object mLock = new Object();
304
305    Context mContext;
306    IWindowManager mWindowManager;
307    WindowManagerFuncs mWindowManagerFuncs;
308    WindowManagerInternal mWindowManagerInternal;
309    PowerManager mPowerManager;
310    ActivityManagerInternal mActivityManagerInternal;
311    InputManagerInternal mInputManagerInternal;
312    DreamManagerInternal mDreamManagerInternal;
313    PowerManagerInternal mPowerManagerInternal;
314    IStatusBarService mStatusBarService;
315    StatusBarManagerInternal mStatusBarManagerInternal;
316    boolean mPreloadedRecentApps;
317    final Object mServiceAquireLock = new Object();
318    Vibrator mVibrator; // Vibrator for giving feedback of orientation changes
319    SearchManager mSearchManager;
320    AccessibilityManager mAccessibilityManager;
321    BurnInProtectionHelper mBurnInProtectionHelper;
322    AppOpsManager mAppOpsManager;
323    private boolean mHasFeatureWatch;
324
325    // Vibrator pattern for haptic feedback of a long press.
326    long[] mLongPressVibePattern;
327
328    // Vibrator pattern for haptic feedback of virtual key press.
329    long[] mVirtualKeyVibePattern;
330
331    // Vibrator pattern for a short vibration.
332    long[] mKeyboardTapVibePattern;
333
334    // Vibrator pattern for a short vibration when tapping on an hour/minute tick of a Clock.
335    long[] mClockTickVibePattern;
336
337    // Vibrator pattern for a short vibration when tapping on a day/month/year date of a Calendar.
338    long[] mCalendarDateVibePattern;
339
340    // Vibrator pattern for haptic feedback during boot when safe mode is disabled.
341    long[] mSafeModeDisabledVibePattern;
342
343    // Vibrator pattern for haptic feedback during boot when safe mode is enabled.
344    long[] mSafeModeEnabledVibePattern;
345
346    // Vibrator pattern for haptic feedback of a context click.
347    long[] mContextClickVibePattern;
348
349    /** If true, hitting shift & menu will broadcast Intent.ACTION_BUG_REPORT */
350    boolean mEnableShiftMenuBugReports = false;
351
352    boolean mSafeMode;
353    WindowState mStatusBar = null;
354    int mStatusBarHeight;
355    WindowState mNavigationBar = null;
356    boolean mHasNavigationBar = false;
357    boolean mCanHideNavigationBar = false;
358    boolean mNavigationBarCanMove = false; // can the navigation bar ever move to the side?
359    boolean mNavigationBarOnBottom = true; // is the navigation bar on the bottom *right now*?
360    int[] mNavigationBarHeightForRotationDefault = new int[4];
361    int[] mNavigationBarWidthForRotationDefault = new int[4];
362    int[] mNavigationBarHeightForRotationInCarMode = new int[4];
363    int[] mNavigationBarWidthForRotationInCarMode = new int[4];
364
365    private LongSparseArray<IShortcutService> mShortcutKeyServices = new LongSparseArray<>();
366
367    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
368    // This is for car dock and this is updated from resource.
369    private boolean mEnableCarDockHomeCapture = true;
370
371    boolean mBootMessageNeedsHiding;
372    KeyguardServiceDelegate mKeyguardDelegate;
373    final Runnable mWindowManagerDrawCallback = new Runnable() {
374        @Override
375        public void run() {
376            if (DEBUG_WAKEUP) Slog.i(TAG, "All windows ready for display!");
377            mHandler.sendEmptyMessage(MSG_WINDOW_MANAGER_DRAWN_COMPLETE);
378        }
379    };
380    final DrawnListener mKeyguardDrawnCallback = new DrawnListener() {
381        @Override
382        public void onDrawn() {
383            if (DEBUG_WAKEUP) Slog.d(TAG, "mKeyguardDelegate.ShowListener.onDrawn.");
384            mHandler.sendEmptyMessage(MSG_KEYGUARD_DRAWN_COMPLETE);
385        }
386    };
387
388    GlobalActions mGlobalActions;
389    Handler mHandler;
390    WindowState mLastInputMethodWindow = null;
391    WindowState mLastInputMethodTargetWindow = null;
392
393    // FIXME This state is shared between the input reader and handler thread.
394    // Technically it's broken and buggy but it has been like this for many years
395    // and we have not yet seen any problems.  Someday we'll rewrite this logic
396    // so that only one thread is involved in handling input policy.  Unfortunately
397    // it's on a critical path for power management so we can't just post the work to the
398    // handler thread.  We'll need to resolve this someday by teaching the input dispatcher
399    // to hold wakelocks during dispatch and eliminating the critical path.
400    volatile boolean mPowerKeyHandled;
401    volatile boolean mBackKeyHandled;
402    volatile boolean mBeganFromNonInteractive;
403    volatile int mPowerKeyPressCounter;
404    volatile boolean mEndCallKeyHandled;
405    volatile boolean mCameraGestureTriggeredDuringGoingToSleep;
406    volatile boolean mGoingToSleep;
407    volatile boolean mRecentsVisible;
408    volatile boolean mTvPictureInPictureVisible;
409
410    int mRecentAppsHeldModifiers;
411    boolean mLanguageSwitchKeyPressed;
412
413    int mLidState = LID_ABSENT;
414    int mCameraLensCoverState = CAMERA_LENS_COVER_ABSENT;
415    boolean mHaveBuiltInKeyboard;
416
417    boolean mSystemReady;
418    boolean mSystemBooted;
419    private boolean mDeferBindKeyguard;
420    boolean mHdmiPlugged;
421    HdmiControl mHdmiControl;
422    IUiModeManager mUiModeManager;
423    int mUiMode;
424    int mDockMode = Intent.EXTRA_DOCK_STATE_UNDOCKED;
425    int mLidOpenRotation;
426    int mCarDockRotation;
427    int mDeskDockRotation;
428    int mUndockedHdmiRotation;
429    int mDemoHdmiRotation;
430    boolean mDemoHdmiRotationLock;
431    int mDemoRotation;
432    boolean mDemoRotationLock;
433
434    boolean mWakeGestureEnabledSetting;
435    MyWakeGestureListener mWakeGestureListener;
436
437    // Default display does not rotate, apps that require non-default orientation will have to
438    // have the orientation emulated.
439    private boolean mForceDefaultOrientation = false;
440
441    int mUserRotationMode = WindowManagerPolicy.USER_ROTATION_FREE;
442    int mUserRotation = Surface.ROTATION_0;
443    boolean mAccelerometerDefault;
444
445    boolean mSupportAutoRotation;
446    int mAllowAllRotations = -1;
447    boolean mCarDockEnablesAccelerometer;
448    boolean mDeskDockEnablesAccelerometer;
449    int mLidKeyboardAccessibility;
450    int mLidNavigationAccessibility;
451    boolean mLidControlsScreenLock;
452    boolean mLidControlsSleep;
453    int mShortPressOnPowerBehavior;
454    int mLongPressOnPowerBehavior;
455    int mDoublePressOnPowerBehavior;
456    int mTriplePressOnPowerBehavior;
457    int mLongPressOnBackBehavior;
458    int mShortPressOnSleepBehavior;
459    int mShortPressWindowBehavior;
460    boolean mAwake;
461    boolean mScreenOnEarly;
462    boolean mScreenOnFully;
463    ScreenOnListener mScreenOnListener;
464    boolean mKeyguardDrawComplete;
465    boolean mWindowManagerDrawComplete;
466    boolean mOrientationSensorEnabled = false;
467    int mCurrentAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
468    boolean mHasSoftInput = false;
469    boolean mTranslucentDecorEnabled = true;
470    boolean mUseTvRouting;
471
472    int mPointerLocationMode = 0; // guarded by mLock
473
474    // The last window we were told about in focusChanged.
475    WindowState mFocusedWindow;
476    IApplicationToken mFocusedApp;
477
478    PointerLocationView mPointerLocationView;
479
480    // The current size of the screen; really; extends into the overscan area of
481    // the screen and doesn't account for any system elements like the status bar.
482    int mOverscanScreenLeft, mOverscanScreenTop;
483    int mOverscanScreenWidth, mOverscanScreenHeight;
484    // The current visible size of the screen; really; (ir)regardless of whether the status
485    // bar can be hidden but not extending into the overscan area.
486    int mUnrestrictedScreenLeft, mUnrestrictedScreenTop;
487    int mUnrestrictedScreenWidth, mUnrestrictedScreenHeight;
488    // Like mOverscanScreen*, but allowed to move into the overscan region where appropriate.
489    int mRestrictedOverscanScreenLeft, mRestrictedOverscanScreenTop;
490    int mRestrictedOverscanScreenWidth, mRestrictedOverscanScreenHeight;
491    // The current size of the screen; these may be different than (0,0)-(dw,dh)
492    // if the status bar can't be hidden; in that case it effectively carves out
493    // that area of the display from all other windows.
494    int mRestrictedScreenLeft, mRestrictedScreenTop;
495    int mRestrictedScreenWidth, mRestrictedScreenHeight;
496    // During layout, the current screen borders accounting for any currently
497    // visible system UI elements.
498    int mSystemLeft, mSystemTop, mSystemRight, mSystemBottom;
499    // For applications requesting stable content insets, these are them.
500    int mStableLeft, mStableTop, mStableRight, mStableBottom;
501    // For applications requesting stable content insets but have also set the
502    // fullscreen window flag, these are the stable dimensions without the status bar.
503    int mStableFullscreenLeft, mStableFullscreenTop;
504    int mStableFullscreenRight, mStableFullscreenBottom;
505    // During layout, the current screen borders with all outer decoration
506    // (status bar, input method dock) accounted for.
507    int mCurLeft, mCurTop, mCurRight, mCurBottom;
508    // During layout, the frame in which content should be displayed
509    // to the user, accounting for all screen decoration except for any
510    // space they deem as available for other content.  This is usually
511    // the same as mCur*, but may be larger if the screen decor has supplied
512    // content insets.
513    int mContentLeft, mContentTop, mContentRight, mContentBottom;
514    // During layout, the frame in which voice content should be displayed
515    // to the user, accounting for all screen decoration except for any
516    // space they deem as available for other content.
517    int mVoiceContentLeft, mVoiceContentTop, mVoiceContentRight, mVoiceContentBottom;
518    // During layout, the current screen borders along which input method
519    // windows are placed.
520    int mDockLeft, mDockTop, mDockRight, mDockBottom;
521    // During layout, the layer at which the doc window is placed.
522    int mDockLayer;
523    // During layout, this is the layer of the status bar.
524    int mStatusBarLayer;
525    int mLastSystemUiFlags;
526    // Bits that we are in the process of clearing, so we want to prevent
527    // them from being set by applications until everything has been updated
528    // to have them clear.
529    int mResettingSystemUiFlags = 0;
530    // Bits that we are currently always keeping cleared.
531    int mForceClearedSystemUiFlags = 0;
532    int mLastFullscreenStackSysUiFlags;
533    int mLastDockedStackSysUiFlags;
534    final Rect mNonDockedStackBounds = new Rect();
535    final Rect mDockedStackBounds = new Rect();
536    final Rect mLastNonDockedStackBounds = new Rect();
537    final Rect mLastDockedStackBounds = new Rect();
538
539    // What we last reported to system UI about whether the compatibility
540    // menu needs to be displayed.
541    boolean mLastFocusNeedsMenu = false;
542    // If nonzero, a panic gesture was performed at that time in uptime millis and is still pending.
543    private long mPendingPanicGestureUptime;
544
545    InputConsumer mInputConsumer = null;
546
547    static final Rect mTmpParentFrame = new Rect();
548    static final Rect mTmpDisplayFrame = new Rect();
549    static final Rect mTmpOverscanFrame = new Rect();
550    static final Rect mTmpContentFrame = new Rect();
551    static final Rect mTmpVisibleFrame = new Rect();
552    static final Rect mTmpDecorFrame = new Rect();
553    static final Rect mTmpStableFrame = new Rect();
554    static final Rect mTmpNavigationFrame = new Rect();
555    static final Rect mTmpOutsetFrame = new Rect();
556    private static final Rect mTmpRect = new Rect();
557
558    WindowState mTopFullscreenOpaqueWindowState;
559    WindowState mTopFullscreenOpaqueOrDimmingWindowState;
560    WindowState mTopDockedOpaqueWindowState;
561    WindowState mTopDockedOpaqueOrDimmingWindowState;
562    HashSet<IApplicationToken> mAppsToBeHidden = new HashSet<IApplicationToken>();
563    HashSet<IApplicationToken> mAppsThatDismissKeyguard = new HashSet<IApplicationToken>();
564    boolean mTopIsFullscreen;
565    boolean mForceStatusBar;
566    boolean mForceStatusBarFromKeyguard;
567    private boolean mForceStatusBarTransparent;
568    int mNavBarOpacityMode = NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED;
569    boolean mHideLockScreen;
570    boolean mForcingShowNavBar;
571    int mForcingShowNavBarLayer;
572
573    // States of keyguard dismiss.
574    private static final int DISMISS_KEYGUARD_NONE = 0; // Keyguard not being dismissed.
575    private static final int DISMISS_KEYGUARD_START = 1; // Keyguard needs to be dismissed.
576    private static final int DISMISS_KEYGUARD_CONTINUE = 2; // Keyguard has been dismissed.
577    int mDismissKeyguard = DISMISS_KEYGUARD_NONE;
578
579    /** The window that is currently dismissing the keyguard. Dismissing the keyguard must only
580     * be done once per window. */
581    private WindowState mWinDismissingKeyguard;
582
583    /** When window is currently dismissing the keyguard, dismissing the keyguard must handle
584     * the keygaurd secure state change instantly case, e.g. the use case of inserting a PIN
585     * lock SIM card. This variable is used to record the previous keyguard secure state for
586     * monitoring secure state change on window dismissing keyguard. */
587    private boolean mSecureDismissingKeyguard;
588
589    /** The window that is currently showing "over" the keyguard. If there is an app window
590     * belonging to another app on top of this the keyguard shows. If there is a fullscreen
591     * app window under this, still dismiss the keyguard but don't show the app underneath. Show
592     * the wallpaper. */
593    private WindowState mWinShowWhenLocked;
594
595    boolean mShowingLockscreen;
596    boolean mShowingDream;
597    boolean mDreamingLockscreen;
598    boolean mDreamingSleepTokenNeeded;
599    SleepToken mDreamingSleepToken;
600    SleepToken mScreenOffSleepToken;
601    boolean mKeyguardSecure;
602    boolean mKeyguardSecureIncludingHidden;
603    volatile boolean mKeyguardOccluded;
604    boolean mHomePressed;
605    boolean mHomeConsumed;
606    boolean mHomeDoubleTapPending;
607    Intent mHomeIntent;
608    Intent mCarDockIntent;
609    Intent mDeskDockIntent;
610    boolean mSearchKeyShortcutPending;
611    boolean mConsumeSearchKeyUp;
612    boolean mAssistKeyLongPressed;
613    boolean mPendingMetaAction;
614    boolean mPendingCapsLockToggle;
615    int mMetaState;
616    int mInitialMetaState;
617    boolean mForceShowSystemBars;
618
619    // support for activating the lock screen while the screen is on
620    boolean mAllowLockscreenWhenOn;
621    int mLockScreenTimeout;
622    boolean mLockScreenTimerActive;
623
624    // Behavior of ENDCALL Button.  (See Settings.System.END_BUTTON_BEHAVIOR.)
625    int mEndcallBehavior;
626
627    // Behavior of POWER button while in-call and screen on.
628    // (See Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR.)
629    int mIncallPowerBehavior;
630
631    Display mDisplay;
632
633    private int mDisplayRotation;
634
635    int mLandscapeRotation = 0;  // default landscape rotation
636    int mSeascapeRotation = 0;   // "other" landscape rotation, 180 degrees from mLandscapeRotation
637    int mPortraitRotation = 0;   // default portrait rotation
638    int mUpsideDownRotation = 0; // "other" portrait rotation
639
640    int mOverscanLeft = 0;
641    int mOverscanTop = 0;
642    int mOverscanRight = 0;
643    int mOverscanBottom = 0;
644
645    // What we do when the user long presses on home
646    private int mLongPressOnHomeBehavior;
647
648    // What we do when the user double-taps on home
649    private int mDoubleTapOnHomeBehavior;
650
651    // Allowed theater mode wake actions
652    private boolean mAllowTheaterModeWakeFromKey;
653    private boolean mAllowTheaterModeWakeFromPowerKey;
654    private boolean mAllowTheaterModeWakeFromMotion;
655    private boolean mAllowTheaterModeWakeFromMotionWhenNotDreaming;
656    private boolean mAllowTheaterModeWakeFromCameraLens;
657    private boolean mAllowTheaterModeWakeFromLidSwitch;
658    private boolean mAllowTheaterModeWakeFromWakeGesture;
659
660    // Whether to support long press from power button in non-interactive mode
661    private boolean mSupportLongPressPowerWhenNonInteractive;
662
663    // Whether to go to sleep entering theater mode from power button
664    private boolean mGoToSleepOnButtonPressTheaterMode;
665
666    // Screenshot trigger states
667    // Time to volume and power must be pressed within this interval of each other.
668    private static final long SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS = 150;
669    // Increase the chord delay when taking a screenshot from the keyguard
670    private static final float KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER = 2.5f;
671    private boolean mScreenshotChordEnabled;
672    private boolean mScreenshotChordVolumeDownKeyTriggered;
673    private long mScreenshotChordVolumeDownKeyTime;
674    private boolean mScreenshotChordVolumeDownKeyConsumed;
675    private boolean mScreenshotChordVolumeUpKeyTriggered;
676    private boolean mScreenshotChordPowerKeyTriggered;
677    private long mScreenshotChordPowerKeyTime;
678
679    /* The number of steps between min and max brightness */
680    private static final int BRIGHTNESS_STEPS = 10;
681
682    SettingsObserver mSettingsObserver;
683    ShortcutManager mShortcutManager;
684    PowerManager.WakeLock mBroadcastWakeLock;
685    PowerManager.WakeLock mPowerKeyWakeLock;
686    boolean mHavePendingMediaKeyRepeatWithWakeLock;
687
688    private int mCurrentUserId;
689
690    // Maps global key codes to the components that will handle them.
691    private GlobalKeyManager mGlobalKeyManager;
692
693    // Fallback actions by key code.
694    private final SparseArray<KeyCharacterMap.FallbackAction> mFallbackActions =
695            new SparseArray<KeyCharacterMap.FallbackAction>();
696
697    private final LogDecelerateInterpolator mLogDecelerateInterpolator
698            = new LogDecelerateInterpolator(100, 0);
699
700    private final MutableBoolean mTmpBoolean = new MutableBoolean(false);
701
702    private static final int MSG_ENABLE_POINTER_LOCATION = 1;
703    private static final int MSG_DISABLE_POINTER_LOCATION = 2;
704    private static final int MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK = 3;
705    private static final int MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK = 4;
706    private static final int MSG_KEYGUARD_DRAWN_COMPLETE = 5;
707    private static final int MSG_KEYGUARD_DRAWN_TIMEOUT = 6;
708    private static final int MSG_WINDOW_MANAGER_DRAWN_COMPLETE = 7;
709    private static final int MSG_DISPATCH_SHOW_RECENTS = 9;
710    private static final int MSG_DISPATCH_SHOW_GLOBAL_ACTIONS = 10;
711    private static final int MSG_HIDE_BOOT_MESSAGE = 11;
712    private static final int MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK = 12;
713    private static final int MSG_POWER_DELAYED_PRESS = 13;
714    private static final int MSG_POWER_LONG_PRESS = 14;
715    private static final int MSG_UPDATE_DREAMING_SLEEP_TOKEN = 15;
716    private static final int MSG_REQUEST_TRANSIENT_BARS = 16;
717    private static final int MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU = 17;
718    private static final int MSG_BACK_LONG_PRESS = 18;
719    private static final int MSG_DISPOSE_INPUT_CONSUMER = 19;
720
721    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS = 0;
722    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION = 1;
723
724    private class PolicyHandler extends Handler {
725        @Override
726        public void handleMessage(Message msg) {
727            switch (msg.what) {
728                case MSG_ENABLE_POINTER_LOCATION:
729                    enablePointerLocation();
730                    break;
731                case MSG_DISABLE_POINTER_LOCATION:
732                    disablePointerLocation();
733                    break;
734                case MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK:
735                    dispatchMediaKeyWithWakeLock((KeyEvent)msg.obj);
736                    break;
737                case MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK:
738                    dispatchMediaKeyRepeatWithWakeLock((KeyEvent)msg.obj);
739                    break;
740                case MSG_DISPATCH_SHOW_RECENTS:
741                    showRecentApps(false, msg.arg1 != 0);
742                    break;
743                case MSG_DISPATCH_SHOW_GLOBAL_ACTIONS:
744                    showGlobalActionsInternal();
745                    break;
746                case MSG_KEYGUARD_DRAWN_COMPLETE:
747                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mKeyguardDrawComplete");
748                    finishKeyguardDrawn();
749                    break;
750                case MSG_KEYGUARD_DRAWN_TIMEOUT:
751                    Slog.w(TAG, "Keyguard drawn timeout. Setting mKeyguardDrawComplete");
752                    finishKeyguardDrawn();
753                    break;
754                case MSG_WINDOW_MANAGER_DRAWN_COMPLETE:
755                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mWindowManagerDrawComplete");
756                    finishWindowsDrawn();
757                    break;
758                case MSG_HIDE_BOOT_MESSAGE:
759                    handleHideBootMessage();
760                    break;
761                case MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK:
762                    launchVoiceAssistWithWakeLock(msg.arg1 != 0);
763                    break;
764                case MSG_POWER_DELAYED_PRESS:
765                    powerPress((Long)msg.obj, msg.arg1 != 0, msg.arg2);
766                    finishPowerKeyPress();
767                    break;
768                case MSG_POWER_LONG_PRESS:
769                    powerLongPress();
770                    break;
771                case MSG_UPDATE_DREAMING_SLEEP_TOKEN:
772                    updateDreamingSleepToken(msg.arg1 != 0);
773                    break;
774                case MSG_REQUEST_TRANSIENT_BARS:
775                    WindowState targetBar = (msg.arg1 == MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS) ?
776                            mStatusBar : mNavigationBar;
777                    if (targetBar != null) {
778                        requestTransientBars(targetBar);
779                    }
780                    break;
781                case MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU:
782                    showTvPictureInPictureMenuInternal();
783                    break;
784                case MSG_BACK_LONG_PRESS:
785                    backLongPress();
786                    break;
787                case MSG_DISPOSE_INPUT_CONSUMER:
788                    disposeInputConsumer((InputConsumer) msg.obj);
789                    break;
790            }
791        }
792    }
793
794    private UEventObserver mHDMIObserver = new UEventObserver() {
795        @Override
796        public void onUEvent(UEventObserver.UEvent event) {
797            setHdmiPlugged("1".equals(event.get("SWITCH_STATE")));
798        }
799    };
800
801    class SettingsObserver extends ContentObserver {
802        SettingsObserver(Handler handler) {
803            super(handler);
804        }
805
806        void observe() {
807            // Observe all users' changes
808            ContentResolver resolver = mContext.getContentResolver();
809            resolver.registerContentObserver(Settings.System.getUriFor(
810                    Settings.System.END_BUTTON_BEHAVIOR), false, this,
811                    UserHandle.USER_ALL);
812            resolver.registerContentObserver(Settings.Secure.getUriFor(
813                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR), false, this,
814                    UserHandle.USER_ALL);
815            resolver.registerContentObserver(Settings.Secure.getUriFor(
816                    Settings.Secure.WAKE_GESTURE_ENABLED), false, this,
817                    UserHandle.USER_ALL);
818            resolver.registerContentObserver(Settings.System.getUriFor(
819                    Settings.System.ACCELEROMETER_ROTATION), false, this,
820                    UserHandle.USER_ALL);
821            resolver.registerContentObserver(Settings.System.getUriFor(
822                    Settings.System.USER_ROTATION), false, this,
823                    UserHandle.USER_ALL);
824            resolver.registerContentObserver(Settings.System.getUriFor(
825                    Settings.System.SCREEN_OFF_TIMEOUT), false, this,
826                    UserHandle.USER_ALL);
827            resolver.registerContentObserver(Settings.System.getUriFor(
828                    Settings.System.POINTER_LOCATION), false, this,
829                    UserHandle.USER_ALL);
830            resolver.registerContentObserver(Settings.Secure.getUriFor(
831                    Settings.Secure.DEFAULT_INPUT_METHOD), false, this,
832                    UserHandle.USER_ALL);
833            resolver.registerContentObserver(Settings.Secure.getUriFor(
834                    Settings.Secure.IMMERSIVE_MODE_CONFIRMATIONS), false, this,
835                    UserHandle.USER_ALL);
836            resolver.registerContentObserver(Settings.Global.getUriFor(
837                    Settings.Global.POLICY_CONTROL), false, this,
838                    UserHandle.USER_ALL);
839            updateSettings();
840        }
841
842        @Override public void onChange(boolean selfChange) {
843            updateSettings();
844            updateRotation(false);
845        }
846    }
847
848    class MyWakeGestureListener extends WakeGestureListener {
849        MyWakeGestureListener(Context context, Handler handler) {
850            super(context, handler);
851        }
852
853        @Override
854        public void onWakeUp() {
855            synchronized (mLock) {
856                if (shouldEnableWakeGestureLp()) {
857                    performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
858                    wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromWakeGesture,
859                            "android.policy:GESTURE");
860                }
861            }
862        }
863    }
864
865    class MyOrientationListener extends WindowOrientationListener {
866        private final Runnable mUpdateRotationRunnable = new Runnable() {
867            @Override
868            public void run() {
869                // send interaction hint to improve redraw performance
870                mPowerManagerInternal.powerHint(PowerManagerInternal.POWER_HINT_INTERACTION, 0);
871                updateRotation(false);
872            }
873        };
874
875        MyOrientationListener(Context context, Handler handler) {
876            super(context, handler);
877        }
878
879        @Override
880        public void onProposedRotationChanged(int rotation) {
881            if (localLOGV) Slog.v(TAG, "onProposedRotationChanged, rotation=" + rotation);
882            mHandler.post(mUpdateRotationRunnable);
883        }
884    }
885    MyOrientationListener mOrientationListener;
886
887    private final StatusBarController mStatusBarController = new StatusBarController();
888
889    private final BarController mNavigationBarController = new BarController("NavigationBar",
890            View.NAVIGATION_BAR_TRANSIENT,
891            View.NAVIGATION_BAR_UNHIDE,
892            View.NAVIGATION_BAR_TRANSLUCENT,
893            StatusBarManager.WINDOW_NAVIGATION_BAR,
894            WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION,
895            View.NAVIGATION_BAR_TRANSPARENT);
896
897    private ImmersiveModeConfirmation mImmersiveModeConfirmation;
898
899    private SystemGesturesPointerEventListener mSystemGestures;
900
901    IStatusBarService getStatusBarService() {
902        synchronized (mServiceAquireLock) {
903            if (mStatusBarService == null) {
904                mStatusBarService = IStatusBarService.Stub.asInterface(
905                        ServiceManager.getService("statusbar"));
906            }
907            return mStatusBarService;
908        }
909    }
910
911    StatusBarManagerInternal getStatusBarManagerInternal() {
912        synchronized (mServiceAquireLock) {
913            if (mStatusBarManagerInternal == null) {
914                mStatusBarManagerInternal =
915                        LocalServices.getService(StatusBarManagerInternal.class);
916            }
917            return mStatusBarManagerInternal;
918        }
919    }
920
921    /*
922     * We always let the sensor be switched on by default except when
923     * the user has explicitly disabled sensor based rotation or when the
924     * screen is switched off.
925     */
926    boolean needSensorRunningLp() {
927        if (mSupportAutoRotation) {
928            if (mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
929                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
930                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT
931                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE) {
932                // If the application has explicitly requested to follow the
933                // orientation, then we need to turn the sensor on.
934                return true;
935            }
936        }
937        if ((mCarDockEnablesAccelerometer && mDockMode == Intent.EXTRA_DOCK_STATE_CAR) ||
938                (mDeskDockEnablesAccelerometer && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
939                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
940                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK))) {
941            // enable accelerometer if we are docked in a dock that enables accelerometer
942            // orientation management,
943            return true;
944        }
945        if (mUserRotationMode == USER_ROTATION_LOCKED) {
946            // If the setting for using the sensor by default is enabled, then
947            // we will always leave it on.  Note that the user could go to
948            // a window that forces an orientation that does not use the
949            // sensor and in theory we could turn it off... however, when next
950            // turning it on we won't have a good value for the current
951            // orientation for a little bit, which can cause orientation
952            // changes to lag, so we'd like to keep it always on.  (It will
953            // still be turned off when the screen is off.)
954            return false;
955        }
956        return mSupportAutoRotation;
957    }
958
959    /*
960     * Various use cases for invoking this function
961     * screen turning off, should always disable listeners if already enabled
962     * screen turned on and current app has sensor based orientation, enable listeners
963     * if not already enabled
964     * screen turned on and current app does not have sensor orientation, disable listeners if
965     * already enabled
966     * screen turning on and current app has sensor based orientation, enable listeners if needed
967     * screen turning on and current app has nosensor based orientation, do nothing
968     */
969    void updateOrientationListenerLp() {
970        if (!mOrientationListener.canDetectOrientation()) {
971            // If sensor is turned off or nonexistent for some reason
972            return;
973        }
974        // Could have been invoked due to screen turning on or off or
975        // change of the currently visible window's orientation.
976        if (localLOGV) Slog.v(TAG, "mScreenOnEarly=" + mScreenOnEarly
977                + ", mAwake=" + mAwake + ", mCurrentAppOrientation=" + mCurrentAppOrientation
978                + ", mOrientationSensorEnabled=" + mOrientationSensorEnabled
979                + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
980                + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
981        boolean disable = true;
982        // Note: We postpone the rotating of the screen until the keyguard as well as the
983        // window manager have reported a draw complete.
984        if (mScreenOnEarly && mAwake &&
985                mKeyguardDrawComplete && mWindowManagerDrawComplete) {
986            if (needSensorRunningLp()) {
987                disable = false;
988                //enable listener if not already enabled
989                if (!mOrientationSensorEnabled) {
990                    mOrientationListener.enable();
991                    if(localLOGV) Slog.v(TAG, "Enabling listeners");
992                    mOrientationSensorEnabled = true;
993                }
994            }
995        }
996        //check if sensors need to be disabled
997        if (disable && mOrientationSensorEnabled) {
998            mOrientationListener.disable();
999            if(localLOGV) Slog.v(TAG, "Disabling listeners");
1000            mOrientationSensorEnabled = false;
1001        }
1002    }
1003
1004    private void interceptPowerKeyDown(KeyEvent event, boolean interactive) {
1005        // Hold a wake lock until the power key is released.
1006        if (!mPowerKeyWakeLock.isHeld()) {
1007            mPowerKeyWakeLock.acquire();
1008        }
1009
1010        // Cancel multi-press detection timeout.
1011        if (mPowerKeyPressCounter != 0) {
1012            mHandler.removeMessages(MSG_POWER_DELAYED_PRESS);
1013        }
1014
1015        // Detect user pressing the power button in panic when an application has
1016        // taken over the whole screen.
1017        boolean panic = mImmersiveModeConfirmation.onPowerKeyDown(interactive,
1018                SystemClock.elapsedRealtime(), isImmersiveMode(mLastSystemUiFlags));
1019        if (panic) {
1020            mHandler.post(mHiddenNavPanic);
1021        }
1022
1023        // Latch power key state to detect screenshot chord.
1024        if (interactive && !mScreenshotChordPowerKeyTriggered
1025                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
1026            mScreenshotChordPowerKeyTriggered = true;
1027            mScreenshotChordPowerKeyTime = event.getDownTime();
1028            interceptScreenshotChord();
1029        }
1030
1031        // Stop ringing or end call if configured to do so when power is pressed.
1032        TelecomManager telecomManager = getTelecommService();
1033        boolean hungUp = false;
1034        if (telecomManager != null) {
1035            if (telecomManager.isRinging()) {
1036                // Pressing Power while there's a ringing incoming
1037                // call should silence the ringer.
1038                telecomManager.silenceRinger();
1039            } else if ((mIncallPowerBehavior
1040                    & Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP) != 0
1041                    && telecomManager.isInCall() && interactive) {
1042                // Otherwise, if "Power button ends call" is enabled,
1043                // the Power button will hang up any current active call.
1044                hungUp = telecomManager.endCall();
1045            }
1046        }
1047
1048        GestureLauncherService gestureService = LocalServices.getService(
1049                GestureLauncherService.class);
1050        boolean gesturedServiceIntercepted = false;
1051        if (gestureService != null) {
1052            gesturedServiceIntercepted = gestureService.interceptPowerKeyDown(event, interactive,
1053                    mTmpBoolean);
1054            if (mTmpBoolean.value && mGoingToSleep) {
1055                mCameraGestureTriggeredDuringGoingToSleep = true;
1056            }
1057        }
1058
1059        // If the power key has still not yet been handled, then detect short
1060        // press, long press, or multi press and decide what to do.
1061        mPowerKeyHandled = hungUp || mScreenshotChordVolumeDownKeyTriggered
1062                || mScreenshotChordVolumeUpKeyTriggered || gesturedServiceIntercepted;
1063        if (!mPowerKeyHandled) {
1064            if (interactive) {
1065                // When interactive, we're already awake.
1066                // Wait for a long press or for the button to be released to decide what to do.
1067                if (hasLongPressOnPowerBehavior()) {
1068                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
1069                    msg.setAsynchronous(true);
1070                    mHandler.sendMessageDelayed(msg,
1071                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1072                }
1073            } else {
1074                wakeUpFromPowerKey(event.getDownTime());
1075
1076                if (mSupportLongPressPowerWhenNonInteractive && hasLongPressOnPowerBehavior()) {
1077                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
1078                    msg.setAsynchronous(true);
1079                    mHandler.sendMessageDelayed(msg,
1080                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1081                    mBeganFromNonInteractive = true;
1082                } else {
1083                    final int maxCount = getMaxMultiPressPowerCount();
1084
1085                    if (maxCount <= 1) {
1086                        mPowerKeyHandled = true;
1087                    } else {
1088                        mBeganFromNonInteractive = true;
1089                    }
1090                }
1091            }
1092        }
1093    }
1094
1095    private void interceptPowerKeyUp(KeyEvent event, boolean interactive, boolean canceled) {
1096        final boolean handled = canceled || mPowerKeyHandled;
1097        mScreenshotChordPowerKeyTriggered = false;
1098        cancelPendingScreenshotChordAction();
1099        cancelPendingPowerKeyAction();
1100
1101        if (!handled) {
1102            // Figure out how to handle the key now that it has been released.
1103            mPowerKeyPressCounter += 1;
1104
1105            final int maxCount = getMaxMultiPressPowerCount();
1106            final long eventTime = event.getDownTime();
1107            if (mPowerKeyPressCounter < maxCount) {
1108                // This could be a multi-press.  Wait a little bit longer to confirm.
1109                // Continue holding the wake lock.
1110                Message msg = mHandler.obtainMessage(MSG_POWER_DELAYED_PRESS,
1111                        interactive ? 1 : 0, mPowerKeyPressCounter, eventTime);
1112                msg.setAsynchronous(true);
1113                mHandler.sendMessageDelayed(msg, ViewConfiguration.getDoubleTapTimeout());
1114                return;
1115            }
1116
1117            // No other actions.  Handle it immediately.
1118            powerPress(eventTime, interactive, mPowerKeyPressCounter);
1119        }
1120
1121        // Done.  Reset our state.
1122        finishPowerKeyPress();
1123    }
1124
1125    private void finishPowerKeyPress() {
1126        mBeganFromNonInteractive = false;
1127        mPowerKeyPressCounter = 0;
1128        if (mPowerKeyWakeLock.isHeld()) {
1129            mPowerKeyWakeLock.release();
1130        }
1131    }
1132
1133    private void cancelPendingPowerKeyAction() {
1134        if (!mPowerKeyHandled) {
1135            mPowerKeyHandled = true;
1136            mHandler.removeMessages(MSG_POWER_LONG_PRESS);
1137        }
1138    }
1139
1140    private void cancelPendingBackKeyAction() {
1141        if (!mBackKeyHandled) {
1142            mBackKeyHandled = true;
1143            mHandler.removeMessages(MSG_BACK_LONG_PRESS);
1144        }
1145    }
1146
1147    private void powerPress(long eventTime, boolean interactive, int count) {
1148        if (mScreenOnEarly && !mScreenOnFully) {
1149            Slog.i(TAG, "Suppressed redundant power key press while "
1150                    + "already in the process of turning the screen on.");
1151            return;
1152        }
1153
1154        if (count == 2) {
1155            powerMultiPressAction(eventTime, interactive, mDoublePressOnPowerBehavior);
1156        } else if (count == 3) {
1157            powerMultiPressAction(eventTime, interactive, mTriplePressOnPowerBehavior);
1158        } else if (interactive && !mBeganFromNonInteractive) {
1159            switch (mShortPressOnPowerBehavior) {
1160                case SHORT_PRESS_POWER_NOTHING:
1161                    break;
1162                case SHORT_PRESS_POWER_GO_TO_SLEEP:
1163                    mPowerManager.goToSleep(eventTime,
1164                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1165                    break;
1166                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP:
1167                    mPowerManager.goToSleep(eventTime,
1168                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1169                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1170                    break;
1171                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME:
1172                    mPowerManager.goToSleep(eventTime,
1173                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1174                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1175                    launchHomeFromHotKey();
1176                    break;
1177                case SHORT_PRESS_POWER_GO_HOME:
1178                    launchHomeFromHotKey(true /* awakenFromDreams */, false /*respectKeyguard*/);
1179                    break;
1180            }
1181        }
1182    }
1183
1184    private void powerMultiPressAction(long eventTime, boolean interactive, int behavior) {
1185        switch (behavior) {
1186            case MULTI_PRESS_POWER_NOTHING:
1187                break;
1188            case MULTI_PRESS_POWER_THEATER_MODE:
1189                if (!isUserSetupComplete()) {
1190                    Slog.i(TAG, "Ignoring toggling theater mode - device not setup.");
1191                    break;
1192                }
1193
1194                if (isTheaterModeEnabled()) {
1195                    Slog.i(TAG, "Toggling theater mode off.");
1196                    Settings.Global.putInt(mContext.getContentResolver(),
1197                            Settings.Global.THEATER_MODE_ON, 0);
1198                    if (!interactive) {
1199                        wakeUpFromPowerKey(eventTime);
1200                    }
1201                } else {
1202                    Slog.i(TAG, "Toggling theater mode on.");
1203                    Settings.Global.putInt(mContext.getContentResolver(),
1204                            Settings.Global.THEATER_MODE_ON, 1);
1205
1206                    if (mGoToSleepOnButtonPressTheaterMode && interactive) {
1207                        mPowerManager.goToSleep(eventTime,
1208                                PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1209                    }
1210                }
1211                break;
1212            case MULTI_PRESS_POWER_BRIGHTNESS_BOOST:
1213                Slog.i(TAG, "Starting brightness boost.");
1214                if (!interactive) {
1215                    wakeUpFromPowerKey(eventTime);
1216                }
1217                mPowerManager.boostScreenBrightness(eventTime);
1218                break;
1219        }
1220    }
1221
1222    private int getMaxMultiPressPowerCount() {
1223        if (mTriplePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1224            return 3;
1225        }
1226        if (mDoublePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1227            return 2;
1228        }
1229        return 1;
1230    }
1231
1232    private void powerLongPress() {
1233        final int behavior = getResolvedLongPressOnPowerBehavior();
1234        switch (behavior) {
1235        case LONG_PRESS_POWER_NOTHING:
1236            break;
1237        case LONG_PRESS_POWER_GLOBAL_ACTIONS:
1238            mPowerKeyHandled = true;
1239            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1240                performAuditoryFeedbackForAccessibilityIfNeed();
1241            }
1242            showGlobalActionsInternal();
1243            break;
1244        case LONG_PRESS_POWER_SHUT_OFF:
1245        case LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM:
1246            mPowerKeyHandled = true;
1247            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1248            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1249            mWindowManagerFuncs.shutdown(behavior == LONG_PRESS_POWER_SHUT_OFF);
1250            break;
1251        }
1252    }
1253
1254    private void backLongPress() {
1255        mBackKeyHandled = true;
1256
1257        switch (mLongPressOnBackBehavior) {
1258            case LONG_PRESS_BACK_NOTHING:
1259                break;
1260            case LONG_PRESS_BACK_GO_TO_VOICE_ASSIST:
1261                Intent intent = new Intent(Intent.ACTION_VOICE_ASSIST);
1262                startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
1263                break;
1264        }
1265    }
1266
1267    private void disposeInputConsumer(InputConsumer inputConsumer) {
1268        if (inputConsumer != null) {
1269            inputConsumer.dismiss();
1270        }
1271    }
1272
1273    private void sleepPress(long eventTime) {
1274        if (mShortPressOnSleepBehavior == SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME) {
1275            launchHomeFromHotKey(false /* awakenDreams */, true /*respectKeyguard*/);
1276        }
1277    }
1278
1279    private void sleepRelease(long eventTime) {
1280        switch (mShortPressOnSleepBehavior) {
1281            case SHORT_PRESS_SLEEP_GO_TO_SLEEP:
1282            case SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME:
1283                Slog.i(TAG, "sleepRelease() calling goToSleep(GO_TO_SLEEP_REASON_SLEEP_BUTTON)");
1284                mPowerManager.goToSleep(eventTime,
1285                       PowerManager.GO_TO_SLEEP_REASON_SLEEP_BUTTON, 0);
1286                break;
1287        }
1288    }
1289
1290    private int getResolvedLongPressOnPowerBehavior() {
1291        if (FactoryTest.isLongPressOnPowerOffEnabled()) {
1292            return LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;
1293        }
1294        return mLongPressOnPowerBehavior;
1295    }
1296
1297    private boolean hasLongPressOnPowerBehavior() {
1298        return getResolvedLongPressOnPowerBehavior() != LONG_PRESS_POWER_NOTHING;
1299    }
1300
1301    private boolean hasLongPressOnBackBehavior() {
1302        return mLongPressOnBackBehavior != LONG_PRESS_BACK_NOTHING;
1303    }
1304
1305    private void interceptScreenshotChord() {
1306        if (mScreenshotChordEnabled
1307                && mScreenshotChordVolumeDownKeyTriggered && mScreenshotChordPowerKeyTriggered
1308                && !mScreenshotChordVolumeUpKeyTriggered) {
1309            final long now = SystemClock.uptimeMillis();
1310            if (now <= mScreenshotChordVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS
1311                    && now <= mScreenshotChordPowerKeyTime
1312                            + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS) {
1313                mScreenshotChordVolumeDownKeyConsumed = true;
1314                cancelPendingPowerKeyAction();
1315                mScreenshotRunnable.setScreenshotType(TAKE_SCREENSHOT_FULLSCREEN);
1316                mHandler.postDelayed(mScreenshotRunnable, getScreenshotChordLongPressDelay());
1317            }
1318        }
1319    }
1320
1321    private long getScreenshotChordLongPressDelay() {
1322        if (mKeyguardDelegate.isShowing()) {
1323            // Double the time it takes to take a screenshot from the keyguard
1324            return (long) (KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER *
1325                    ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1326        }
1327        return ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout();
1328    }
1329
1330    private void cancelPendingScreenshotChordAction() {
1331        mHandler.removeCallbacks(mScreenshotRunnable);
1332    }
1333
1334    private final Runnable mEndCallLongPress = new Runnable() {
1335        @Override
1336        public void run() {
1337            mEndCallKeyHandled = true;
1338            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1339                performAuditoryFeedbackForAccessibilityIfNeed();
1340            }
1341            showGlobalActionsInternal();
1342        }
1343    };
1344
1345    private class ScreenshotRunnable implements Runnable {
1346        private int mScreenshotType = TAKE_SCREENSHOT_FULLSCREEN;
1347
1348        public void setScreenshotType(int screenshotType) {
1349            mScreenshotType = screenshotType;
1350        }
1351
1352        @Override
1353        public void run() {
1354            takeScreenshot(mScreenshotType);
1355        }
1356    }
1357
1358    private final ScreenshotRunnable mScreenshotRunnable = new ScreenshotRunnable();
1359
1360    @Override
1361    public void showGlobalActions() {
1362        mHandler.removeMessages(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1363        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1364    }
1365
1366    void showGlobalActionsInternal() {
1367        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1368        if (mGlobalActions == null) {
1369            mGlobalActions = new GlobalActions(mContext, mWindowManagerFuncs);
1370        }
1371        final boolean keyguardShowing = isKeyguardShowingAndNotOccluded();
1372        mGlobalActions.showDialog(keyguardShowing, isDeviceProvisioned());
1373        if (keyguardShowing) {
1374            // since it took two seconds of long press to bring this up,
1375            // poke the wake lock so they have some time to see the dialog.
1376            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
1377        }
1378    }
1379
1380    boolean isDeviceProvisioned() {
1381        return Settings.Global.getInt(
1382                mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0;
1383    }
1384
1385    boolean isUserSetupComplete() {
1386        return Settings.Secure.getIntForUser(mContext.getContentResolver(),
1387                Settings.Secure.USER_SETUP_COMPLETE, 0, UserHandle.USER_CURRENT) != 0;
1388    }
1389
1390    private void handleShortPressOnHome() {
1391        // Turn on the connected TV and switch HDMI input if we're a HDMI playback device.
1392        getHdmiControl().turnOnTv();
1393
1394        // If there's a dream running then use home to escape the dream
1395        // but don't actually go home.
1396        if (mDreamManagerInternal != null && mDreamManagerInternal.isDreaming()) {
1397            mDreamManagerInternal.stopDream(false /*immediate*/);
1398            return;
1399        }
1400
1401        // Go home!
1402        launchHomeFromHotKey();
1403    }
1404
1405    /**
1406     * Creates an accessor to HDMI control service that performs the operation of
1407     * turning on TV (optional) and switching input to us. If HDMI control service
1408     * is not available or we're not a HDMI playback device, the operation is no-op.
1409     */
1410    private HdmiControl getHdmiControl() {
1411        if (null == mHdmiControl) {
1412            HdmiControlManager manager = (HdmiControlManager) mContext.getSystemService(
1413                        Context.HDMI_CONTROL_SERVICE);
1414            HdmiPlaybackClient client = null;
1415            if (manager != null) {
1416                client = manager.getPlaybackClient();
1417            }
1418            mHdmiControl = new HdmiControl(client);
1419        }
1420        return mHdmiControl;
1421    }
1422
1423    private static class HdmiControl {
1424        private final HdmiPlaybackClient mClient;
1425
1426        private HdmiControl(HdmiPlaybackClient client) {
1427            mClient = client;
1428        }
1429
1430        public void turnOnTv() {
1431            if (mClient == null) {
1432                return;
1433            }
1434            mClient.oneTouchPlay(new OneTouchPlayCallback() {
1435                @Override
1436                public void onComplete(int result) {
1437                    if (result != HdmiControlManager.RESULT_SUCCESS) {
1438                        Log.w(TAG, "One touch play failed: " + result);
1439                    }
1440                }
1441            });
1442        }
1443    }
1444
1445    private void handleLongPressOnHome(int deviceId) {
1446        if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_NOTHING) {
1447            return;
1448        }
1449        mHomeConsumed = true;
1450        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1451
1452        switch (mLongPressOnHomeBehavior) {
1453            case LONG_PRESS_HOME_RECENT_SYSTEM_UI:
1454                toggleRecentApps();
1455                break;
1456            case LONG_PRESS_HOME_ASSIST:
1457                launchAssistAction(null, deviceId);
1458                break;
1459            default:
1460                Log.w(TAG, "Undefined home long press behavior: " + mLongPressOnHomeBehavior);
1461                break;
1462        }
1463    }
1464
1465    private void handleDoubleTapOnHome() {
1466        if (mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1467            mHomeConsumed = true;
1468            toggleRecentApps();
1469        }
1470    }
1471
1472    private void showTvPictureInPictureMenu(KeyEvent event) {
1473        if (DEBUG_INPUT) Log.d(TAG, "showTvPictureInPictureMenu event=" + event);
1474        mHandler.removeMessages(MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU);
1475        Message msg = mHandler.obtainMessage(MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU);
1476        msg.setAsynchronous(true);
1477        msg.sendToTarget();
1478    }
1479
1480    private void showTvPictureInPictureMenuInternal() {
1481        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
1482        if (statusbar != null) {
1483            statusbar.showTvPictureInPictureMenu();
1484        }
1485    }
1486
1487    private final Runnable mHomeDoubleTapTimeoutRunnable = new Runnable() {
1488        @Override
1489        public void run() {
1490            if (mHomeDoubleTapPending) {
1491                mHomeDoubleTapPending = false;
1492                handleShortPressOnHome();
1493            }
1494        }
1495    };
1496
1497    private boolean isRoundWindow() {
1498        return mContext.getResources().getConfiguration().isScreenRound();
1499    }
1500
1501    /** {@inheritDoc} */
1502    @Override
1503    public void init(Context context, IWindowManager windowManager,
1504            WindowManagerFuncs windowManagerFuncs) {
1505        mContext = context;
1506        mWindowManager = windowManager;
1507        mWindowManagerFuncs = windowManagerFuncs;
1508        mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class);
1509        mActivityManagerInternal = LocalServices.getService(ActivityManagerInternal.class);
1510        mInputManagerInternal = LocalServices.getService(InputManagerInternal.class);
1511        mDreamManagerInternal = LocalServices.getService(DreamManagerInternal.class);
1512        mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class);
1513        mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
1514        mHasFeatureWatch = mContext.getPackageManager().hasSystemFeature(FEATURE_WATCH);
1515
1516        // Init display burn-in protection
1517        boolean burnInProtectionEnabled = context.getResources().getBoolean(
1518                com.android.internal.R.bool.config_enableBurnInProtection);
1519        // Allow a system property to override this. Used by developer settings.
1520        boolean burnInProtectionDevMode =
1521                SystemProperties.getBoolean("persist.debug.force_burn_in", false);
1522        if (burnInProtectionEnabled || burnInProtectionDevMode) {
1523            final int minHorizontal;
1524            final int maxHorizontal;
1525            final int minVertical;
1526            final int maxVertical;
1527            final int maxRadius;
1528            if (burnInProtectionDevMode) {
1529                minHorizontal = -8;
1530                maxHorizontal = 8;
1531                minVertical = -8;
1532                maxVertical = -4;
1533                maxRadius = (isRoundWindow()) ? 6 : -1;
1534            } else {
1535                Resources resources = context.getResources();
1536                minHorizontal = resources.getInteger(
1537                        com.android.internal.R.integer.config_burnInProtectionMinHorizontalOffset);
1538                maxHorizontal = resources.getInteger(
1539                        com.android.internal.R.integer.config_burnInProtectionMaxHorizontalOffset);
1540                minVertical = resources.getInteger(
1541                        com.android.internal.R.integer.config_burnInProtectionMinVerticalOffset);
1542                maxVertical = resources.getInteger(
1543                        com.android.internal.R.integer.config_burnInProtectionMaxVerticalOffset);
1544                maxRadius = resources.getInteger(
1545                        com.android.internal.R.integer.config_burnInProtectionMaxRadius);
1546            }
1547            mBurnInProtectionHelper = new BurnInProtectionHelper(
1548                    context, minHorizontal, maxHorizontal, minVertical, maxVertical, maxRadius);
1549        }
1550
1551        mHandler = new PolicyHandler();
1552        mWakeGestureListener = new MyWakeGestureListener(mContext, mHandler);
1553        mOrientationListener = new MyOrientationListener(mContext, mHandler);
1554        try {
1555            mOrientationListener.setCurrentRotation(windowManager.getRotation());
1556        } catch (RemoteException ex) { }
1557        mSettingsObserver = new SettingsObserver(mHandler);
1558        mSettingsObserver.observe();
1559        mShortcutManager = new ShortcutManager(context);
1560        mUiMode = context.getResources().getInteger(
1561                com.android.internal.R.integer.config_defaultUiModeType);
1562        mHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
1563        mHomeIntent.addCategory(Intent.CATEGORY_HOME);
1564        mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1565                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1566        mEnableCarDockHomeCapture = context.getResources().getBoolean(
1567                com.android.internal.R.bool.config_enableCarDockHomeLaunch);
1568        mCarDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1569        mCarDockIntent.addCategory(Intent.CATEGORY_CAR_DOCK);
1570        mCarDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1571                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1572        mDeskDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1573        mDeskDockIntent.addCategory(Intent.CATEGORY_DESK_DOCK);
1574        mDeskDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1575                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1576
1577        mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
1578        mBroadcastWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1579                "PhoneWindowManager.mBroadcastWakeLock");
1580        mPowerKeyWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1581                "PhoneWindowManager.mPowerKeyWakeLock");
1582        mEnableShiftMenuBugReports = "1".equals(SystemProperties.get("ro.debuggable"));
1583        mSupportAutoRotation = mContext.getResources().getBoolean(
1584                com.android.internal.R.bool.config_supportAutoRotation);
1585        mLidOpenRotation = readRotation(
1586                com.android.internal.R.integer.config_lidOpenRotation);
1587        mCarDockRotation = readRotation(
1588                com.android.internal.R.integer.config_carDockRotation);
1589        mDeskDockRotation = readRotation(
1590                com.android.internal.R.integer.config_deskDockRotation);
1591        mUndockedHdmiRotation = readRotation(
1592                com.android.internal.R.integer.config_undockedHdmiRotation);
1593        mCarDockEnablesAccelerometer = mContext.getResources().getBoolean(
1594                com.android.internal.R.bool.config_carDockEnablesAccelerometer);
1595        mDeskDockEnablesAccelerometer = mContext.getResources().getBoolean(
1596                com.android.internal.R.bool.config_deskDockEnablesAccelerometer);
1597        mLidKeyboardAccessibility = mContext.getResources().getInteger(
1598                com.android.internal.R.integer.config_lidKeyboardAccessibility);
1599        mLidNavigationAccessibility = mContext.getResources().getInteger(
1600                com.android.internal.R.integer.config_lidNavigationAccessibility);
1601        mLidControlsScreenLock = mContext.getResources().getBoolean(
1602                com.android.internal.R.bool.config_lidControlsScreenLock);
1603        mLidControlsSleep = mContext.getResources().getBoolean(
1604                com.android.internal.R.bool.config_lidControlsSleep);
1605        mTranslucentDecorEnabled = mContext.getResources().getBoolean(
1606                com.android.internal.R.bool.config_enableTranslucentDecor);
1607
1608        mAllowTheaterModeWakeFromKey = mContext.getResources().getBoolean(
1609                com.android.internal.R.bool.config_allowTheaterModeWakeFromKey);
1610        mAllowTheaterModeWakeFromPowerKey = mAllowTheaterModeWakeFromKey
1611                || mContext.getResources().getBoolean(
1612                    com.android.internal.R.bool.config_allowTheaterModeWakeFromPowerKey);
1613        mAllowTheaterModeWakeFromMotion = mContext.getResources().getBoolean(
1614                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotion);
1615        mAllowTheaterModeWakeFromMotionWhenNotDreaming = mContext.getResources().getBoolean(
1616                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotionWhenNotDreaming);
1617        mAllowTheaterModeWakeFromCameraLens = mContext.getResources().getBoolean(
1618                com.android.internal.R.bool.config_allowTheaterModeWakeFromCameraLens);
1619        mAllowTheaterModeWakeFromLidSwitch = mContext.getResources().getBoolean(
1620                com.android.internal.R.bool.config_allowTheaterModeWakeFromLidSwitch);
1621        mAllowTheaterModeWakeFromWakeGesture = mContext.getResources().getBoolean(
1622                com.android.internal.R.bool.config_allowTheaterModeWakeFromGesture);
1623
1624        mGoToSleepOnButtonPressTheaterMode = mContext.getResources().getBoolean(
1625                com.android.internal.R.bool.config_goToSleepOnButtonPressTheaterMode);
1626
1627        mSupportLongPressPowerWhenNonInteractive = mContext.getResources().getBoolean(
1628                com.android.internal.R.bool.config_supportLongPressPowerWhenNonInteractive);
1629
1630        mLongPressOnBackBehavior = mContext.getResources().getInteger(
1631                com.android.internal.R.integer.config_longPressOnBackBehavior);
1632
1633        mShortPressOnPowerBehavior = mContext.getResources().getInteger(
1634                com.android.internal.R.integer.config_shortPressOnPowerBehavior);
1635        mLongPressOnPowerBehavior = mContext.getResources().getInteger(
1636                com.android.internal.R.integer.config_longPressOnPowerBehavior);
1637        mDoublePressOnPowerBehavior = mContext.getResources().getInteger(
1638                com.android.internal.R.integer.config_doublePressOnPowerBehavior);
1639        mTriplePressOnPowerBehavior = mContext.getResources().getInteger(
1640                com.android.internal.R.integer.config_triplePressOnPowerBehavior);
1641        mShortPressOnSleepBehavior = mContext.getResources().getInteger(
1642                com.android.internal.R.integer.config_shortPressOnSleepBehavior);
1643
1644        mUseTvRouting = AudioSystem.getPlatformType(mContext) == AudioSystem.PLATFORM_TELEVISION;
1645
1646        readConfigurationDependentBehaviors();
1647
1648        mAccessibilityManager = (AccessibilityManager) context.getSystemService(
1649                Context.ACCESSIBILITY_SERVICE);
1650
1651        // register for dock events
1652        IntentFilter filter = new IntentFilter();
1653        filter.addAction(UiModeManager.ACTION_ENTER_CAR_MODE);
1654        filter.addAction(UiModeManager.ACTION_EXIT_CAR_MODE);
1655        filter.addAction(UiModeManager.ACTION_ENTER_DESK_MODE);
1656        filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
1657        filter.addAction(Intent.ACTION_DOCK_EVENT);
1658        Intent intent = context.registerReceiver(mDockReceiver, filter);
1659        if (intent != null) {
1660            // Retrieve current sticky dock event broadcast.
1661            mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
1662                    Intent.EXTRA_DOCK_STATE_UNDOCKED);
1663        }
1664
1665        // register for dream-related broadcasts
1666        filter = new IntentFilter();
1667        filter.addAction(Intent.ACTION_DREAMING_STARTED);
1668        filter.addAction(Intent.ACTION_DREAMING_STOPPED);
1669        context.registerReceiver(mDreamReceiver, filter);
1670
1671        // register for multiuser-relevant broadcasts
1672        filter = new IntentFilter(Intent.ACTION_USER_SWITCHED);
1673        context.registerReceiver(mMultiuserReceiver, filter);
1674
1675        // monitor for system gestures
1676        mSystemGestures = new SystemGesturesPointerEventListener(context,
1677                new SystemGesturesPointerEventListener.Callbacks() {
1678                    @Override
1679                    public void onSwipeFromTop() {
1680                        if (mStatusBar != null) {
1681                            requestTransientBars(mStatusBar);
1682                        }
1683                    }
1684                    @Override
1685                    public void onSwipeFromBottom() {
1686                        if (mNavigationBar != null && mNavigationBarOnBottom) {
1687                            requestTransientBars(mNavigationBar);
1688                        }
1689                    }
1690                    @Override
1691                    public void onSwipeFromRight() {
1692                        if (mNavigationBar != null && !mNavigationBarOnBottom) {
1693                            requestTransientBars(mNavigationBar);
1694                        }
1695                    }
1696                    @Override
1697                    public void onFling(int duration) {
1698                        if (mPowerManagerInternal != null) {
1699                            mPowerManagerInternal.powerHint(
1700                                    PowerManagerInternal.POWER_HINT_INTERACTION, duration);
1701                        }
1702                    }
1703                    @Override
1704                    public void onDebug() {
1705                        // no-op
1706                    }
1707                    @Override
1708                    public void onDown() {
1709                        mOrientationListener.onTouchStart();
1710                    }
1711                    @Override
1712                    public void onUpOrCancel() {
1713                        mOrientationListener.onTouchEnd();
1714                    }
1715                    @Override
1716                    public void onMouseHoverAtTop() {
1717                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1718                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
1719                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS;
1720                        mHandler.sendMessageDelayed(msg, 500);
1721                    }
1722                    @Override
1723                    public void onMouseHoverAtBottom() {
1724                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1725                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
1726                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION;
1727                        mHandler.sendMessageDelayed(msg, 500);
1728                    }
1729                    @Override
1730                    public void onMouseLeaveFromEdge() {
1731                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1732                    }
1733                });
1734        mImmersiveModeConfirmation = new ImmersiveModeConfirmation(mContext);
1735        mWindowManagerFuncs.registerPointerEventListener(mSystemGestures);
1736
1737        mVibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE);
1738        mLongPressVibePattern = getLongIntArray(mContext.getResources(),
1739                com.android.internal.R.array.config_longPressVibePattern);
1740        mVirtualKeyVibePattern = getLongIntArray(mContext.getResources(),
1741                com.android.internal.R.array.config_virtualKeyVibePattern);
1742        mKeyboardTapVibePattern = getLongIntArray(mContext.getResources(),
1743                com.android.internal.R.array.config_keyboardTapVibePattern);
1744        mClockTickVibePattern = getLongIntArray(mContext.getResources(),
1745                com.android.internal.R.array.config_clockTickVibePattern);
1746        mCalendarDateVibePattern = getLongIntArray(mContext.getResources(),
1747                com.android.internal.R.array.config_calendarDateVibePattern);
1748        mSafeModeDisabledVibePattern = getLongIntArray(mContext.getResources(),
1749                com.android.internal.R.array.config_safeModeDisabledVibePattern);
1750        mSafeModeEnabledVibePattern = getLongIntArray(mContext.getResources(),
1751                com.android.internal.R.array.config_safeModeEnabledVibePattern);
1752        mContextClickVibePattern = getLongIntArray(mContext.getResources(),
1753                com.android.internal.R.array.config_contextClickVibePattern);
1754
1755        mScreenshotChordEnabled = mContext.getResources().getBoolean(
1756                com.android.internal.R.bool.config_enableScreenshotChord);
1757
1758        mGlobalKeyManager = new GlobalKeyManager(mContext);
1759
1760        // Controls rotation and the like.
1761        initializeHdmiState();
1762
1763        // Match current screen state.
1764        if (!mPowerManager.isInteractive()) {
1765            startedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1766            finishedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1767        }
1768
1769        mWindowManagerInternal.registerAppTransitionListener(
1770                mStatusBarController.getAppTransitionListener());
1771    }
1772
1773    /**
1774     * Read values from config.xml that may be overridden depending on
1775     * the configuration of the device.
1776     * eg. Disable long press on home goes to recents on sw600dp.
1777     */
1778    private void readConfigurationDependentBehaviors() {
1779        final Resources res = mContext.getResources();
1780
1781        mLongPressOnHomeBehavior = res.getInteger(
1782                com.android.internal.R.integer.config_longPressOnHomeBehavior);
1783        if (mLongPressOnHomeBehavior < LONG_PRESS_HOME_NOTHING ||
1784                mLongPressOnHomeBehavior > LAST_LONG_PRESS_HOME_BEHAVIOR) {
1785            mLongPressOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1786        }
1787
1788        mDoubleTapOnHomeBehavior = res.getInteger(
1789                com.android.internal.R.integer.config_doubleTapOnHomeBehavior);
1790        if (mDoubleTapOnHomeBehavior < DOUBLE_TAP_HOME_NOTHING ||
1791                mDoubleTapOnHomeBehavior > DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1792            mDoubleTapOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1793        }
1794
1795        mShortPressWindowBehavior = SHORT_PRESS_WINDOW_NOTHING;
1796        if (mContext.getPackageManager().hasSystemFeature(FEATURE_PICTURE_IN_PICTURE)) {
1797            mShortPressWindowBehavior = SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE;
1798        }
1799
1800        mNavBarOpacityMode = res.getInteger(
1801                com.android.internal.R.integer.config_navBarOpacityMode);
1802    }
1803
1804    @Override
1805    public void setInitialDisplaySize(Display display, int width, int height, int density) {
1806        // This method might be called before the policy has been fully initialized
1807        // or for other displays we don't care about.
1808        if (mContext == null || display.getDisplayId() != Display.DEFAULT_DISPLAY) {
1809            return;
1810        }
1811        mDisplay = display;
1812
1813        final Resources res = mContext.getResources();
1814        int shortSize, longSize;
1815        if (width > height) {
1816            shortSize = height;
1817            longSize = width;
1818            mLandscapeRotation = Surface.ROTATION_0;
1819            mSeascapeRotation = Surface.ROTATION_180;
1820            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1821                mPortraitRotation = Surface.ROTATION_90;
1822                mUpsideDownRotation = Surface.ROTATION_270;
1823            } else {
1824                mPortraitRotation = Surface.ROTATION_270;
1825                mUpsideDownRotation = Surface.ROTATION_90;
1826            }
1827        } else {
1828            shortSize = width;
1829            longSize = height;
1830            mPortraitRotation = Surface.ROTATION_0;
1831            mUpsideDownRotation = Surface.ROTATION_180;
1832            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1833                mLandscapeRotation = Surface.ROTATION_270;
1834                mSeascapeRotation = Surface.ROTATION_90;
1835            } else {
1836                mLandscapeRotation = Surface.ROTATION_90;
1837                mSeascapeRotation = Surface.ROTATION_270;
1838            }
1839        }
1840
1841        // SystemUI (status bar) layout policy
1842        int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT / density;
1843        int longSizeDp = longSize * DisplayMetrics.DENSITY_DEFAULT / density;
1844
1845        // Allow the navigation bar to move on non-square small devices (phones).
1846        mNavigationBarCanMove = width != height && shortSizeDp < 600;
1847
1848        mHasNavigationBar = res.getBoolean(com.android.internal.R.bool.config_showNavigationBar);
1849
1850        // Allow a system property to override this. Used by the emulator.
1851        // See also hasNavigationBar().
1852        String navBarOverride = SystemProperties.get("qemu.hw.mainkeys");
1853        if ("1".equals(navBarOverride)) {
1854            mHasNavigationBar = false;
1855        } else if ("0".equals(navBarOverride)) {
1856            mHasNavigationBar = true;
1857        }
1858
1859        // For demo purposes, allow the rotation of the HDMI display to be controlled.
1860        // By default, HDMI locks rotation to landscape.
1861        if ("portrait".equals(SystemProperties.get("persist.demo.hdmirotation"))) {
1862            mDemoHdmiRotation = mPortraitRotation;
1863        } else {
1864            mDemoHdmiRotation = mLandscapeRotation;
1865        }
1866        mDemoHdmiRotationLock = SystemProperties.getBoolean("persist.demo.hdmirotationlock", false);
1867
1868        // For demo purposes, allow the rotation of the remote display to be controlled.
1869        // By default, remote display locks rotation to landscape.
1870        if ("portrait".equals(SystemProperties.get("persist.demo.remoterotation"))) {
1871            mDemoRotation = mPortraitRotation;
1872        } else {
1873            mDemoRotation = mLandscapeRotation;
1874        }
1875        mDemoRotationLock = SystemProperties.getBoolean(
1876                "persist.demo.rotationlock", false);
1877
1878        // Only force the default orientation if the screen is xlarge, at least 960dp x 720dp, per
1879        // http://developer.android.com/guide/practices/screens_support.html#range
1880        mForceDefaultOrientation = longSizeDp >= 960 && shortSizeDp >= 720 &&
1881                res.getBoolean(com.android.internal.R.bool.config_forceDefaultOrientation) &&
1882                // For debug purposes the next line turns this feature off with:
1883                // $ adb shell setprop config.override_forced_orient true
1884                // $ adb shell wm size reset
1885                !"true".equals(SystemProperties.get("config.override_forced_orient"));
1886    }
1887
1888    /**
1889     * @return whether the navigation bar can be hidden, e.g. the device has a
1890     *         navigation bar and touch exploration is not enabled
1891     */
1892    private boolean canHideNavigationBar() {
1893        return mHasNavigationBar;
1894    }
1895
1896    @Override
1897    public boolean isDefaultOrientationForced() {
1898        return mForceDefaultOrientation;
1899    }
1900
1901    @Override
1902    public void setDisplayOverscan(Display display, int left, int top, int right, int bottom) {
1903        if (display.getDisplayId() == Display.DEFAULT_DISPLAY) {
1904            mOverscanLeft = left;
1905            mOverscanTop = top;
1906            mOverscanRight = right;
1907            mOverscanBottom = bottom;
1908        }
1909    }
1910
1911    public void updateSettings() {
1912        ContentResolver resolver = mContext.getContentResolver();
1913        boolean updateRotation = false;
1914        synchronized (mLock) {
1915            mEndcallBehavior = Settings.System.getIntForUser(resolver,
1916                    Settings.System.END_BUTTON_BEHAVIOR,
1917                    Settings.System.END_BUTTON_BEHAVIOR_DEFAULT,
1918                    UserHandle.USER_CURRENT);
1919            mIncallPowerBehavior = Settings.Secure.getIntForUser(resolver,
1920                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
1921                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT,
1922                    UserHandle.USER_CURRENT);
1923
1924            // Configure wake gesture.
1925            boolean wakeGestureEnabledSetting = Settings.Secure.getIntForUser(resolver,
1926                    Settings.Secure.WAKE_GESTURE_ENABLED, 0,
1927                    UserHandle.USER_CURRENT) != 0;
1928            if (mWakeGestureEnabledSetting != wakeGestureEnabledSetting) {
1929                mWakeGestureEnabledSetting = wakeGestureEnabledSetting;
1930                updateWakeGestureListenerLp();
1931            }
1932
1933            // Configure rotation lock.
1934            int userRotation = Settings.System.getIntForUser(resolver,
1935                    Settings.System.USER_ROTATION, Surface.ROTATION_0,
1936                    UserHandle.USER_CURRENT);
1937            if (mUserRotation != userRotation) {
1938                mUserRotation = userRotation;
1939                updateRotation = true;
1940            }
1941            int userRotationMode = Settings.System.getIntForUser(resolver,
1942                    Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
1943                            WindowManagerPolicy.USER_ROTATION_FREE :
1944                                    WindowManagerPolicy.USER_ROTATION_LOCKED;
1945            if (mUserRotationMode != userRotationMode) {
1946                mUserRotationMode = userRotationMode;
1947                updateRotation = true;
1948                updateOrientationListenerLp();
1949            }
1950
1951            if (mSystemReady) {
1952                int pointerLocation = Settings.System.getIntForUser(resolver,
1953                        Settings.System.POINTER_LOCATION, 0, UserHandle.USER_CURRENT);
1954                if (mPointerLocationMode != pointerLocation) {
1955                    mPointerLocationMode = pointerLocation;
1956                    mHandler.sendEmptyMessage(pointerLocation != 0 ?
1957                            MSG_ENABLE_POINTER_LOCATION : MSG_DISABLE_POINTER_LOCATION);
1958                }
1959            }
1960            // use screen off timeout setting as the timeout for the lockscreen
1961            mLockScreenTimeout = Settings.System.getIntForUser(resolver,
1962                    Settings.System.SCREEN_OFF_TIMEOUT, 0, UserHandle.USER_CURRENT);
1963            String imId = Settings.Secure.getStringForUser(resolver,
1964                    Settings.Secure.DEFAULT_INPUT_METHOD, UserHandle.USER_CURRENT);
1965            boolean hasSoftInput = imId != null && imId.length() > 0;
1966            if (mHasSoftInput != hasSoftInput) {
1967                mHasSoftInput = hasSoftInput;
1968                updateRotation = true;
1969            }
1970            if (mImmersiveModeConfirmation != null) {
1971                mImmersiveModeConfirmation.loadSetting(mCurrentUserId);
1972            }
1973        }
1974        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
1975            PolicyControl.reloadFromSetting(mContext);
1976        }
1977        if (updateRotation) {
1978            updateRotation(true);
1979        }
1980    }
1981
1982    private void updateWakeGestureListenerLp() {
1983        if (shouldEnableWakeGestureLp()) {
1984            mWakeGestureListener.requestWakeUpTrigger();
1985        } else {
1986            mWakeGestureListener.cancelWakeUpTrigger();
1987        }
1988    }
1989
1990    private boolean shouldEnableWakeGestureLp() {
1991        return mWakeGestureEnabledSetting && !mAwake
1992                && (!mLidControlsSleep || mLidState != LID_CLOSED)
1993                && mWakeGestureListener.isSupported();
1994    }
1995
1996    private void enablePointerLocation() {
1997        if (mPointerLocationView == null) {
1998            mPointerLocationView = new PointerLocationView(mContext);
1999            mPointerLocationView.setPrintCoords(false);
2000            WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
2001                    WindowManager.LayoutParams.MATCH_PARENT,
2002                    WindowManager.LayoutParams.MATCH_PARENT);
2003            lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
2004            lp.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN
2005                    | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
2006                    | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
2007                    | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
2008            if (ActivityManager.isHighEndGfx()) {
2009                lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
2010                lp.privateFlags |=
2011                        WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED;
2012            }
2013            lp.format = PixelFormat.TRANSLUCENT;
2014            lp.setTitle("PointerLocation");
2015            WindowManager wm = (WindowManager)
2016                    mContext.getSystemService(Context.WINDOW_SERVICE);
2017            lp.inputFeatures |= WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL;
2018            wm.addView(mPointerLocationView, lp);
2019            mWindowManagerFuncs.registerPointerEventListener(mPointerLocationView);
2020        }
2021    }
2022
2023    private void disablePointerLocation() {
2024        if (mPointerLocationView != null) {
2025            mWindowManagerFuncs.unregisterPointerEventListener(mPointerLocationView);
2026            WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
2027            wm.removeView(mPointerLocationView);
2028            mPointerLocationView = null;
2029        }
2030    }
2031
2032    private int readRotation(int resID) {
2033        try {
2034            int rotation = mContext.getResources().getInteger(resID);
2035            switch (rotation) {
2036                case 0:
2037                    return Surface.ROTATION_0;
2038                case 90:
2039                    return Surface.ROTATION_90;
2040                case 180:
2041                    return Surface.ROTATION_180;
2042                case 270:
2043                    return Surface.ROTATION_270;
2044            }
2045        } catch (Resources.NotFoundException e) {
2046            // fall through
2047        }
2048        return -1;
2049    }
2050
2051    /** {@inheritDoc} */
2052    @Override
2053    public int checkAddPermission(WindowManager.LayoutParams attrs, int[] outAppOp) {
2054        int type = attrs.type;
2055
2056        outAppOp[0] = AppOpsManager.OP_NONE;
2057
2058        if (!((type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW)
2059                || (type >= FIRST_SUB_WINDOW && type <= LAST_SUB_WINDOW)
2060                || (type >= FIRST_SYSTEM_WINDOW && type <= LAST_SYSTEM_WINDOW))) {
2061            return WindowManagerGlobal.ADD_INVALID_TYPE;
2062        }
2063
2064        if (type < FIRST_SYSTEM_WINDOW || type > LAST_SYSTEM_WINDOW) {
2065            // Window manager will make sure these are okay.
2066            return WindowManagerGlobal.ADD_OKAY;
2067        }
2068        String permission = null;
2069        switch (type) {
2070            case TYPE_TOAST:
2071                // XXX right now the app process has complete control over
2072                // this...  should introduce a token to let the system
2073                // monitor/control what they are doing.
2074                outAppOp[0] = AppOpsManager.OP_TOAST_WINDOW;
2075                break;
2076            case TYPE_DREAM:
2077            case TYPE_INPUT_METHOD:
2078            case TYPE_WALLPAPER:
2079            case TYPE_PRIVATE_PRESENTATION:
2080            case TYPE_VOICE_INTERACTION:
2081            case TYPE_ACCESSIBILITY_OVERLAY:
2082            case TYPE_QS_DIALOG:
2083                // The window manager will check these.
2084                break;
2085            case TYPE_PHONE:
2086            case TYPE_PRIORITY_PHONE:
2087            case TYPE_SYSTEM_ALERT:
2088            case TYPE_SYSTEM_ERROR:
2089            case TYPE_SYSTEM_OVERLAY:
2090                permission = android.Manifest.permission.SYSTEM_ALERT_WINDOW;
2091                outAppOp[0] = AppOpsManager.OP_SYSTEM_ALERT_WINDOW;
2092                break;
2093            default:
2094                permission = android.Manifest.permission.INTERNAL_SYSTEM_WINDOW;
2095        }
2096        if (permission != null) {
2097            if (android.Manifest.permission.SYSTEM_ALERT_WINDOW.equals(permission)) {
2098                final int callingUid = Binder.getCallingUid();
2099                // system processes will be automatically allowed privilege to draw
2100                if (callingUid == Process.SYSTEM_UID) {
2101                    return WindowManagerGlobal.ADD_OKAY;
2102                }
2103
2104                // check if user has enabled this operation. SecurityException will be thrown if
2105                // this app has not been allowed by the user
2106                final int mode = mAppOpsManager.checkOpNoThrow(outAppOp[0], callingUid,
2107                        attrs.packageName);
2108                switch (mode) {
2109                    case AppOpsManager.MODE_ALLOWED:
2110                    case AppOpsManager.MODE_IGNORED:
2111                        // although we return ADD_OKAY for MODE_IGNORED, the added window will
2112                        // actually be hidden in WindowManagerService
2113                        return WindowManagerGlobal.ADD_OKAY;
2114                    case AppOpsManager.MODE_ERRORED:
2115                        try {
2116                            ApplicationInfo appInfo = mContext.getPackageManager()
2117                                    .getApplicationInfo(attrs.packageName,
2118                                            UserHandle.getUserId(callingUid));
2119                            // Don't crash legacy apps
2120                            if (appInfo.targetSdkVersion < Build.VERSION_CODES.M) {
2121                                return WindowManagerGlobal.ADD_OKAY;
2122                            }
2123                        } catch (PackageManager.NameNotFoundException e) {
2124                            /* ignore */
2125                        }
2126                        return WindowManagerGlobal.ADD_PERMISSION_DENIED;
2127                    default:
2128                        // in the default mode, we will make a decision here based on
2129                        // checkCallingPermission()
2130                        if (mContext.checkCallingPermission(permission) !=
2131                                PackageManager.PERMISSION_GRANTED) {
2132                            return WindowManagerGlobal.ADD_PERMISSION_DENIED;
2133                        } else {
2134                            return WindowManagerGlobal.ADD_OKAY;
2135                        }
2136                }
2137            }
2138
2139            if (mContext.checkCallingOrSelfPermission(permission)
2140                    != PackageManager.PERMISSION_GRANTED) {
2141                return WindowManagerGlobal.ADD_PERMISSION_DENIED;
2142            }
2143        }
2144        return WindowManagerGlobal.ADD_OKAY;
2145    }
2146
2147    @Override
2148    public boolean checkShowToOwnerOnly(WindowManager.LayoutParams attrs) {
2149
2150        // If this switch statement is modified, modify the comment in the declarations of
2151        // the type in {@link WindowManager.LayoutParams} as well.
2152        switch (attrs.type) {
2153            default:
2154                // These are the windows that by default are shown only to the user that created
2155                // them. If this needs to be overridden, set
2156                // {@link WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS} in
2157                // {@link WindowManager.LayoutParams}. Note that permission
2158                // {@link android.Manifest.permission.INTERNAL_SYSTEM_WINDOW} is required as well.
2159                if ((attrs.privateFlags & PRIVATE_FLAG_SHOW_FOR_ALL_USERS) == 0) {
2160                    return true;
2161                }
2162                break;
2163
2164            // These are the windows that by default are shown to all users. However, to
2165            // protect against spoofing, check permissions below.
2166            case TYPE_APPLICATION_STARTING:
2167            case TYPE_BOOT_PROGRESS:
2168            case TYPE_DISPLAY_OVERLAY:
2169            case TYPE_INPUT_CONSUMER:
2170            case TYPE_KEYGUARD_SCRIM:
2171            case TYPE_KEYGUARD_DIALOG:
2172            case TYPE_MAGNIFICATION_OVERLAY:
2173            case TYPE_NAVIGATION_BAR:
2174            case TYPE_NAVIGATION_BAR_PANEL:
2175            case TYPE_PHONE:
2176            case TYPE_POINTER:
2177            case TYPE_PRIORITY_PHONE:
2178            case TYPE_SEARCH_BAR:
2179            case TYPE_STATUS_BAR:
2180            case TYPE_STATUS_BAR_PANEL:
2181            case TYPE_STATUS_BAR_SUB_PANEL:
2182            case TYPE_SYSTEM_DIALOG:
2183            case TYPE_VOLUME_OVERLAY:
2184            case TYPE_PRIVATE_PRESENTATION:
2185            case TYPE_DOCK_DIVIDER:
2186                break;
2187        }
2188
2189        // Check if third party app has set window to system window type.
2190        return mContext.checkCallingOrSelfPermission(
2191                android.Manifest.permission.INTERNAL_SYSTEM_WINDOW)
2192                        != PackageManager.PERMISSION_GRANTED;
2193    }
2194
2195    @Override
2196    public void adjustWindowParamsLw(WindowManager.LayoutParams attrs) {
2197        switch (attrs.type) {
2198            case TYPE_SYSTEM_OVERLAY:
2199            case TYPE_SECURE_SYSTEM_OVERLAY:
2200                // These types of windows can't receive input events.
2201                attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
2202                        | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
2203                attrs.flags &= ~WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
2204                break;
2205            case TYPE_STATUS_BAR:
2206
2207                // If the Keyguard is in a hidden state (occluded by another window), we force to
2208                // remove the wallpaper and keyguard flag so that any change in-flight after setting
2209                // the keyguard as occluded wouldn't set these flags again.
2210                // See {@link #processKeyguardSetHiddenResultLw}.
2211                if (mKeyguardHidden) {
2212                    attrs.flags &= ~WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
2213                    attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2214                }
2215                break;
2216        }
2217
2218        if (attrs.type != TYPE_STATUS_BAR) {
2219            // The status bar is the only window allowed to exhibit keyguard behavior.
2220            attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2221        }
2222
2223        if (ActivityManager.isHighEndGfx()) {
2224            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0) {
2225                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
2226            }
2227            final boolean forceWindowDrawsStatusBarBackground =
2228                    (attrs.privateFlags & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND)
2229                            != 0;
2230            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0
2231                    || forceWindowDrawsStatusBarBackground
2232                            && attrs.height == MATCH_PARENT && attrs.width == MATCH_PARENT) {
2233                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
2234            }
2235        }
2236    }
2237
2238    void readLidState() {
2239        mLidState = mWindowManagerFuncs.getLidState();
2240    }
2241
2242    private void readCameraLensCoverState() {
2243        mCameraLensCoverState = mWindowManagerFuncs.getCameraLensCoverState();
2244    }
2245
2246    private boolean isHidden(int accessibilityMode) {
2247        switch (accessibilityMode) {
2248            case 1:
2249                return mLidState == LID_CLOSED;
2250            case 2:
2251                return mLidState == LID_OPEN;
2252            default:
2253                return false;
2254        }
2255    }
2256
2257    /** {@inheritDoc} */
2258    @Override
2259    public void adjustConfigurationLw(Configuration config, int keyboardPresence,
2260            int navigationPresence) {
2261        mHaveBuiltInKeyboard = (keyboardPresence & PRESENCE_INTERNAL) != 0;
2262
2263        readConfigurationDependentBehaviors();
2264        readLidState();
2265        applyLidSwitchState();
2266
2267        if (config.keyboard == Configuration.KEYBOARD_NOKEYS
2268                || (keyboardPresence == PRESENCE_INTERNAL
2269                        && isHidden(mLidKeyboardAccessibility))) {
2270            config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_YES;
2271            if (!mHasSoftInput) {
2272                config.keyboardHidden = Configuration.KEYBOARDHIDDEN_YES;
2273            }
2274        }
2275
2276        if (config.navigation == Configuration.NAVIGATION_NONAV
2277                || (navigationPresence == PRESENCE_INTERNAL
2278                        && isHidden(mLidNavigationAccessibility))) {
2279            config.navigationHidden = Configuration.NAVIGATIONHIDDEN_YES;
2280        }
2281    }
2282
2283    @Override
2284    public void onConfigurationChanged() {
2285        final Resources res = mContext.getResources();
2286
2287        mStatusBarHeight =
2288                res.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
2289
2290        // Height of the navigation bar when presented horizontally at bottom
2291        mNavigationBarHeightForRotationDefault[mPortraitRotation] =
2292        mNavigationBarHeightForRotationDefault[mUpsideDownRotation] =
2293                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_height);
2294        mNavigationBarHeightForRotationDefault[mLandscapeRotation] =
2295        mNavigationBarHeightForRotationDefault[mSeascapeRotation] = res.getDimensionPixelSize(
2296                com.android.internal.R.dimen.navigation_bar_height_landscape);
2297
2298        // Width of the navigation bar when presented vertically along one side
2299        mNavigationBarWidthForRotationDefault[mPortraitRotation] =
2300        mNavigationBarWidthForRotationDefault[mUpsideDownRotation] =
2301        mNavigationBarWidthForRotationDefault[mLandscapeRotation] =
2302        mNavigationBarWidthForRotationDefault[mSeascapeRotation] =
2303                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_width);
2304
2305        // Height of the navigation bar when presented horizontally at bottom
2306        mNavigationBarHeightForRotationInCarMode[mPortraitRotation] =
2307        mNavigationBarHeightForRotationInCarMode[mUpsideDownRotation] =
2308                res.getDimensionPixelSize(
2309                        com.android.internal.R.dimen.navigation_bar_height_car_mode);
2310        mNavigationBarHeightForRotationInCarMode[mLandscapeRotation] =
2311        mNavigationBarHeightForRotationInCarMode[mSeascapeRotation] = res.getDimensionPixelSize(
2312                com.android.internal.R.dimen.navigation_bar_height_landscape_car_mode);
2313
2314        // Width of the navigation bar when presented vertically along one side
2315        mNavigationBarWidthForRotationInCarMode[mPortraitRotation] =
2316        mNavigationBarWidthForRotationInCarMode[mUpsideDownRotation] =
2317        mNavigationBarWidthForRotationInCarMode[mLandscapeRotation] =
2318        mNavigationBarWidthForRotationInCarMode[mSeascapeRotation] =
2319                res.getDimensionPixelSize(
2320                        com.android.internal.R.dimen.navigation_bar_width_car_mode);
2321    }
2322
2323    /** {@inheritDoc} */
2324    @Override
2325    public int windowTypeToLayerLw(int type) {
2326        if (type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW) {
2327            return 2;
2328        }
2329        switch (type) {
2330        case TYPE_PRIVATE_PRESENTATION:
2331            return 2;
2332        case TYPE_WALLPAPER:
2333            // wallpaper is at the bottom, though the window manager may move it.
2334            return 2;
2335        case TYPE_DOCK_DIVIDER:
2336            return 2;
2337        case TYPE_QS_DIALOG:
2338            return 2;
2339        case TYPE_PHONE:
2340            return 3;
2341        case TYPE_SEARCH_BAR:
2342        case TYPE_VOICE_INTERACTION_STARTING:
2343            return 4;
2344        case TYPE_VOICE_INTERACTION:
2345            // voice interaction layer is almost immediately above apps.
2346            return 5;
2347        case TYPE_INPUT_CONSUMER:
2348            return 6;
2349        case TYPE_SYSTEM_DIALOG:
2350            return 7;
2351        case TYPE_TOAST:
2352            // toasts and the plugged-in battery thing
2353            return 8;
2354        case TYPE_PRIORITY_PHONE:
2355            // SIM errors and unlock.  Not sure if this really should be in a high layer.
2356            return 9;
2357        case TYPE_DREAM:
2358            // used for Dreams (screensavers with TYPE_DREAM windows)
2359            return 10;
2360        case TYPE_SYSTEM_ALERT:
2361            // like the ANR / app crashed dialogs
2362            return 11;
2363        case TYPE_INPUT_METHOD:
2364            // on-screen keyboards and other such input method user interfaces go here.
2365            return 12;
2366        case TYPE_INPUT_METHOD_DIALOG:
2367            // on-screen keyboards and other such input method user interfaces go here.
2368            return 13;
2369        case TYPE_KEYGUARD_SCRIM:
2370            // the safety window that shows behind keyguard while keyguard is starting
2371            return 14;
2372        case TYPE_STATUS_BAR_SUB_PANEL:
2373            return 15;
2374        case TYPE_STATUS_BAR:
2375            return 16;
2376        case TYPE_STATUS_BAR_PANEL:
2377            return 17;
2378        case TYPE_KEYGUARD_DIALOG:
2379            return 18;
2380        case TYPE_VOLUME_OVERLAY:
2381            // the on-screen volume indicator and controller shown when the user
2382            // changes the device volume
2383            return 19;
2384        case TYPE_SYSTEM_OVERLAY:
2385            // the on-screen volume indicator and controller shown when the user
2386            // changes the device volume
2387            return 20;
2388        case TYPE_NAVIGATION_BAR:
2389            // the navigation bar, if available, shows atop most things
2390            return 21;
2391        case TYPE_NAVIGATION_BAR_PANEL:
2392            // some panels (e.g. search) need to show on top of the navigation bar
2393            return 22;
2394        case TYPE_SCREENSHOT:
2395            // screenshot selection layer shouldn't go above system error, but it should cover
2396            // navigation bars at the very least.
2397            return 23;
2398        case TYPE_SYSTEM_ERROR:
2399            // system-level error dialogs
2400            return 24;
2401        case TYPE_MAGNIFICATION_OVERLAY:
2402            // used to highlight the magnified portion of a display
2403            return 25;
2404        case TYPE_DISPLAY_OVERLAY:
2405            // used to simulate secondary display devices
2406            return 26;
2407        case TYPE_DRAG:
2408            // the drag layer: input for drag-and-drop is associated with this window,
2409            // which sits above all other focusable windows
2410            return 27;
2411        case TYPE_ACCESSIBILITY_OVERLAY:
2412            // overlay put by accessibility services to intercept user interaction
2413            return 28;
2414        case TYPE_SECURE_SYSTEM_OVERLAY:
2415            return 29;
2416        case TYPE_BOOT_PROGRESS:
2417            return 30;
2418        case TYPE_POINTER:
2419            // the (mouse) pointer layer
2420            return 31;
2421        }
2422        Log.e(TAG, "Unknown window type: " + type);
2423        return 2;
2424    }
2425
2426    /** {@inheritDoc} */
2427    @Override
2428    public int subWindowTypeToLayerLw(int type) {
2429        switch (type) {
2430        case TYPE_APPLICATION_PANEL:
2431        case TYPE_APPLICATION_ATTACHED_DIALOG:
2432            return APPLICATION_PANEL_SUBLAYER;
2433        case TYPE_APPLICATION_MEDIA:
2434            return APPLICATION_MEDIA_SUBLAYER;
2435        case TYPE_APPLICATION_MEDIA_OVERLAY:
2436            return APPLICATION_MEDIA_OVERLAY_SUBLAYER;
2437        case TYPE_APPLICATION_SUB_PANEL:
2438            return APPLICATION_SUB_PANEL_SUBLAYER;
2439        case TYPE_APPLICATION_ABOVE_SUB_PANEL:
2440            return APPLICATION_ABOVE_SUB_PANEL_SUBLAYER;
2441        }
2442        Log.e(TAG, "Unknown sub-window type: " + type);
2443        return 0;
2444    }
2445
2446    @Override
2447    public int getMaxWallpaperLayer() {
2448        return windowTypeToLayerLw(TYPE_STATUS_BAR);
2449    }
2450
2451    private int getNavigationBarWidth(int rotation, int uiMode) {
2452        if ((uiMode & UI_MODE_TYPE_MASK) == UI_MODE_TYPE_CAR) {
2453            return mNavigationBarWidthForRotationInCarMode[rotation];
2454        } else {
2455            return mNavigationBarWidthForRotationDefault[rotation];
2456        }
2457    }
2458
2459    @Override
2460    public int getNonDecorDisplayWidth(int fullWidth, int fullHeight, int rotation,
2461            int uiMode) {
2462        if (mHasNavigationBar) {
2463            // For a basic navigation bar, when we are in landscape mode we place
2464            // the navigation bar to the side.
2465            if (mNavigationBarCanMove && fullWidth > fullHeight) {
2466                return fullWidth - getNavigationBarWidth(rotation, uiMode);
2467            }
2468        }
2469        return fullWidth;
2470    }
2471
2472    private int getNavigationBarHeight(int rotation, int uiMode) {
2473        if ((uiMode & UI_MODE_TYPE_MASK) == UI_MODE_TYPE_CAR) {
2474            return mNavigationBarHeightForRotationInCarMode[rotation];
2475        } else {
2476            return mNavigationBarHeightForRotationDefault[rotation];
2477        }
2478    }
2479
2480    @Override
2481    public int getNonDecorDisplayHeight(int fullWidth, int fullHeight, int rotation,
2482            int uiMode) {
2483        if (mHasNavigationBar) {
2484            // For a basic navigation bar, when we are in portrait mode we place
2485            // the navigation bar to the bottom.
2486            if (!mNavigationBarCanMove || fullWidth < fullHeight) {
2487                return fullHeight - getNavigationBarHeight(rotation, uiMode);
2488            }
2489        }
2490        return fullHeight;
2491    }
2492
2493    @Override
2494    public int getConfigDisplayWidth(int fullWidth, int fullHeight, int rotation, int uiMode) {
2495        return getNonDecorDisplayWidth(fullWidth, fullHeight, rotation, uiMode);
2496    }
2497
2498    @Override
2499    public int getConfigDisplayHeight(int fullWidth, int fullHeight, int rotation, int uiMode) {
2500        // There is a separate status bar at the top of the display.  We don't count that as part
2501        // of the fixed decor, since it can hide; however, for purposes of configurations,
2502        // we do want to exclude it since applications can't generally use that part
2503        // of the screen.
2504        return getNonDecorDisplayHeight(
2505                fullWidth, fullHeight, rotation, uiMode) - mStatusBarHeight;
2506    }
2507
2508    @Override
2509    public boolean isForceHiding(WindowManager.LayoutParams attrs) {
2510        return (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 ||
2511                (isKeyguardHostWindow(attrs) &&
2512                        (mKeyguardDelegate != null && mKeyguardDelegate.isShowing())) ||
2513                (attrs.type == TYPE_KEYGUARD_SCRIM);
2514    }
2515
2516    @Override
2517    public boolean isKeyguardHostWindow(WindowManager.LayoutParams attrs) {
2518        return attrs.type == TYPE_STATUS_BAR;
2519    }
2520
2521    @Override
2522    public boolean canBeForceHidden(WindowState win, WindowManager.LayoutParams attrs) {
2523        switch (attrs.type) {
2524            case TYPE_STATUS_BAR:
2525            case TYPE_NAVIGATION_BAR:
2526            case TYPE_WALLPAPER:
2527            case TYPE_DREAM:
2528            case TYPE_KEYGUARD_SCRIM:
2529                return false;
2530            default:
2531                // Hide only windows below the keyguard host window.
2532                return windowTypeToLayerLw(win.getBaseType())
2533                        < windowTypeToLayerLw(TYPE_STATUS_BAR);
2534        }
2535    }
2536
2537    @Override
2538    public WindowState getWinShowWhenLockedLw() {
2539        return mWinShowWhenLocked;
2540    }
2541
2542    /** {@inheritDoc} */
2543    @Override
2544    public View addStartingWindow(IBinder appToken, String packageName, int theme,
2545            CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes,
2546            int icon, int logo, int windowFlags, Configuration overrideConfig) {
2547        if (!SHOW_STARTING_ANIMATIONS) {
2548            return null;
2549        }
2550        if (packageName == null) {
2551            return null;
2552        }
2553
2554        WindowManager wm = null;
2555        View view = null;
2556
2557        try {
2558            Context context = mContext;
2559            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow " + packageName
2560                    + ": nonLocalizedLabel=" + nonLocalizedLabel + " theme="
2561                    + Integer.toHexString(theme));
2562            if (theme != context.getThemeResId() || labelRes != 0) {
2563                try {
2564                    context = context.createPackageContext(packageName, 0);
2565                    context.setTheme(theme);
2566                } catch (PackageManager.NameNotFoundException e) {
2567                    // Ignore
2568                }
2569            }
2570
2571            if (overrideConfig != null && overrideConfig != EMPTY) {
2572                if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow: creating context based"
2573                        + " on overrideConfig" + overrideConfig + " for starting window");
2574                final Context overrideContext = context.createConfigurationContext(overrideConfig);
2575                overrideContext.setTheme(theme);
2576                final TypedArray typedArray = overrideContext.obtainStyledAttributes(
2577                        com.android.internal.R.styleable.Window);
2578                final int resId = typedArray.getResourceId(R.styleable.Window_windowBackground, 0);
2579                if (resId != 0 && overrideContext.getDrawable(resId) != null) {
2580                    // We want to use the windowBackground for the override context if it is
2581                    // available, otherwise we use the default one to make sure a themed starting
2582                    // window is displayed for the app.
2583                    if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow: apply overrideConfig"
2584                            + overrideConfig + " to starting window resId=" + resId);
2585                    context = overrideContext;
2586                }
2587            }
2588
2589            final PhoneWindow win = new PhoneWindow(context);
2590            win.setIsStartingWindow(true);
2591
2592            CharSequence label = context.getResources().getText(labelRes, null);
2593            // Only change the accessibility title if the label is localized
2594            if (label != null) {
2595                win.setTitle(label, true);
2596            } else {
2597                win.setTitle(nonLocalizedLabel, false);
2598            }
2599
2600            win.setType(
2601                WindowManager.LayoutParams.TYPE_APPLICATION_STARTING);
2602
2603            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
2604                // Assumes it's safe to show starting windows of launched apps while
2605                // the keyguard is being hidden. This is okay because starting windows never show
2606                // secret information.
2607                if (mKeyguardHidden) {
2608                    windowFlags |= FLAG_SHOW_WHEN_LOCKED;
2609                }
2610            }
2611
2612            // Force the window flags: this is a fake window, so it is not really
2613            // touchable or focusable by the user.  We also add in the ALT_FOCUSABLE_IM
2614            // flag because we do know that the next window will take input
2615            // focus, so we want to get the IME window up on top of us right away.
2616            win.setFlags(
2617                windowFlags|
2618                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2619                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2620                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
2621                windowFlags|
2622                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2623                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2624                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
2625
2626            win.setDefaultIcon(icon);
2627            win.setDefaultLogo(logo);
2628
2629            win.setLayout(WindowManager.LayoutParams.MATCH_PARENT,
2630                    WindowManager.LayoutParams.MATCH_PARENT);
2631
2632            final WindowManager.LayoutParams params = win.getAttributes();
2633            params.token = appToken;
2634            params.packageName = packageName;
2635            params.windowAnimations = win.getWindowStyle().getResourceId(
2636                    com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
2637            params.privateFlags |=
2638                    WindowManager.LayoutParams.PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED;
2639            params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
2640
2641            if (!compatInfo.supportsScreen()) {
2642                params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW;
2643            }
2644
2645            params.setTitle("Starting " + packageName);
2646
2647            wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
2648            view = win.getDecorView();
2649
2650            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "Adding starting window for "
2651                + packageName + " / " + appToken + ": " + (view.getParent() != null ? view : null));
2652
2653            wm.addView(view, params);
2654
2655            // Only return the view if it was successfully added to the
2656            // window manager... which we can tell by it having a parent.
2657            return view.getParent() != null ? view : null;
2658        } catch (WindowManager.BadTokenException e) {
2659            // ignore
2660            Log.w(TAG, appToken + " already running, starting window not displayed. " +
2661                    e.getMessage());
2662        } catch (RuntimeException e) {
2663            // don't crash if something else bad happens, for example a
2664            // failure loading resources because we are loading from an app
2665            // on external storage that has been unmounted.
2666            Log.w(TAG, appToken + " failed creating starting window", e);
2667        } finally {
2668            if (view != null && view.getParent() == null) {
2669                Log.w(TAG, "view not successfully added to wm, removing view");
2670                wm.removeViewImmediate(view);
2671            }
2672        }
2673
2674        return null;
2675    }
2676
2677    /** {@inheritDoc} */
2678    @Override
2679    public void removeStartingWindow(IBinder appToken, View window) {
2680        if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Removing starting window for " + appToken + ": "
2681                + window + " Callers=" + Debug.getCallers(4));
2682
2683        if (window != null) {
2684            WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
2685            wm.removeView(window);
2686        }
2687    }
2688
2689    /**
2690     * Preflight adding a window to the system.
2691     *
2692     * Currently enforces that three window types are singletons:
2693     * <ul>
2694     * <li>STATUS_BAR_TYPE</li>
2695     * <li>KEYGUARD_TYPE</li>
2696     * </ul>
2697     *
2698     * @param win The window to be added
2699     * @param attrs Information about the window to be added
2700     *
2701     * @return If ok, WindowManagerImpl.ADD_OKAY.  If too many singletons,
2702     * WindowManagerImpl.ADD_MULTIPLE_SINGLETON
2703     */
2704    @Override
2705    public int prepareAddWindowLw(WindowState win, WindowManager.LayoutParams attrs) {
2706        switch (attrs.type) {
2707            case TYPE_STATUS_BAR:
2708                mContext.enforceCallingOrSelfPermission(
2709                        android.Manifest.permission.STATUS_BAR_SERVICE,
2710                        "PhoneWindowManager");
2711                if (mStatusBar != null) {
2712                    if (mStatusBar.isAlive()) {
2713                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2714                    }
2715                }
2716                mStatusBar = win;
2717                mStatusBarController.setWindow(win);
2718                break;
2719            case TYPE_NAVIGATION_BAR:
2720                mContext.enforceCallingOrSelfPermission(
2721                        android.Manifest.permission.STATUS_BAR_SERVICE,
2722                        "PhoneWindowManager");
2723                if (mNavigationBar != null) {
2724                    if (mNavigationBar.isAlive()) {
2725                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2726                    }
2727                }
2728                mNavigationBar = win;
2729                mNavigationBarController.setWindow(win);
2730                if (DEBUG_LAYOUT) Slog.i(TAG, "NAVIGATION BAR: " + mNavigationBar);
2731                break;
2732            case TYPE_NAVIGATION_BAR_PANEL:
2733            case TYPE_STATUS_BAR_PANEL:
2734            case TYPE_STATUS_BAR_SUB_PANEL:
2735            case TYPE_VOICE_INTERACTION_STARTING:
2736                mContext.enforceCallingOrSelfPermission(
2737                        android.Manifest.permission.STATUS_BAR_SERVICE,
2738                        "PhoneWindowManager");
2739                break;
2740            case TYPE_KEYGUARD_SCRIM:
2741                if (mKeyguardScrim != null) {
2742                    return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2743                }
2744                mKeyguardScrim = win;
2745                break;
2746        }
2747        return WindowManagerGlobal.ADD_OKAY;
2748    }
2749
2750    /** {@inheritDoc} */
2751    @Override
2752    public void removeWindowLw(WindowState win) {
2753        if (mStatusBar == win) {
2754            mStatusBar = null;
2755            mStatusBarController.setWindow(null);
2756            mKeyguardDelegate.showScrim();
2757        } else if (mKeyguardScrim == win) {
2758            Log.v(TAG, "Removing keyguard scrim");
2759            mKeyguardScrim = null;
2760        } if (mNavigationBar == win) {
2761            mNavigationBar = null;
2762            mNavigationBarController.setWindow(null);
2763        }
2764    }
2765
2766    static final boolean PRINT_ANIM = false;
2767
2768    /** {@inheritDoc} */
2769    @Override
2770    public int selectAnimationLw(WindowState win, int transit) {
2771        if (PRINT_ANIM) Log.i(TAG, "selectAnimation in " + win
2772              + ": transit=" + transit);
2773        if (win == mStatusBar) {
2774            boolean isKeyguard = (win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
2775            if (transit == TRANSIT_EXIT
2776                    || transit == TRANSIT_HIDE) {
2777                return isKeyguard ? -1 : R.anim.dock_top_exit;
2778            } else if (transit == TRANSIT_ENTER
2779                    || transit == TRANSIT_SHOW) {
2780                return isKeyguard ? -1 : R.anim.dock_top_enter;
2781            }
2782        } else if (win == mNavigationBar) {
2783            if (win.getAttrs().windowAnimations != 0) {
2784                return 0;
2785            }
2786            // This can be on either the bottom or the right.
2787            if (mNavigationBarOnBottom) {
2788                if (transit == TRANSIT_EXIT
2789                        || transit == TRANSIT_HIDE) {
2790                    return R.anim.dock_bottom_exit;
2791                } else if (transit == TRANSIT_ENTER
2792                        || transit == TRANSIT_SHOW) {
2793                    return R.anim.dock_bottom_enter;
2794                }
2795            } else {
2796                if (transit == TRANSIT_EXIT
2797                        || transit == TRANSIT_HIDE) {
2798                    return R.anim.dock_right_exit;
2799                } else if (transit == TRANSIT_ENTER
2800                        || transit == TRANSIT_SHOW) {
2801                    return R.anim.dock_right_enter;
2802                }
2803            }
2804        } else if (win.getAttrs().type == TYPE_DOCK_DIVIDER) {
2805            return selectDockedDividerAnimationLw(win, transit);
2806        }
2807
2808        if (transit == TRANSIT_PREVIEW_DONE) {
2809            if (win.hasAppShownWindows()) {
2810                if (PRINT_ANIM) Log.i(TAG, "**** STARTING EXIT");
2811                return com.android.internal.R.anim.app_starting_exit;
2812            }
2813        } else if (win.getAttrs().type == TYPE_DREAM && mDreamingLockscreen
2814                && transit == TRANSIT_ENTER) {
2815            // Special case: we are animating in a dream, while the keyguard
2816            // is shown.  We don't want an animation on the dream, because
2817            // we need it shown immediately with the keyguard animating away
2818            // to reveal it.
2819            return -1;
2820        }
2821
2822        return 0;
2823    }
2824
2825    private int selectDockedDividerAnimationLw(WindowState win, int transit) {
2826        int insets = mWindowManagerFuncs.getDockedDividerInsetsLw();
2827
2828        // If the divider is behind the navigation bar, don't animate.
2829        final Rect frame = win.getFrameLw();
2830        final boolean behindNavBar = mNavigationBar != null
2831                && ((mNavigationBarOnBottom
2832                        && frame.top + insets >= mNavigationBar.getFrameLw().top)
2833                || (!mNavigationBarOnBottom
2834                        && frame.left + insets >= mNavigationBar.getFrameLw().left));
2835        final boolean landscape = frame.height() > frame.width();
2836        final boolean offscreenLandscape = landscape && (frame.right - insets <= 0
2837                || frame.left + insets >= win.getDisplayFrameLw().right);
2838        final boolean offscreenPortrait = !landscape && (frame.top - insets <= 0
2839                || frame.bottom + insets >= win.getDisplayFrameLw().bottom);
2840        final boolean offscreen = offscreenLandscape || offscreenPortrait;
2841        if (behindNavBar || offscreen) {
2842            return 0;
2843        }
2844        if (transit == TRANSIT_ENTER || transit == TRANSIT_SHOW) {
2845            return R.anim.fade_in;
2846        } else if (transit == TRANSIT_EXIT) {
2847            return R.anim.fade_out;
2848        } else {
2849            return 0;
2850        }
2851    }
2852
2853    @Override
2854    public void selectRotationAnimationLw(int anim[]) {
2855        if (PRINT_ANIM) Slog.i(TAG, "selectRotationAnimation mTopFullscreen="
2856                + mTopFullscreenOpaqueWindowState + " rotationAnimation="
2857                + (mTopFullscreenOpaqueWindowState == null ?
2858                        "0" : mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation));
2859        if (mTopFullscreenOpaqueWindowState != null && mTopIsFullscreen) {
2860            switch (mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation) {
2861                case ROTATION_ANIMATION_CROSSFADE:
2862                    anim[0] = R.anim.rotation_animation_xfade_exit;
2863                    anim[1] = R.anim.rotation_animation_enter;
2864                    break;
2865                case ROTATION_ANIMATION_JUMPCUT:
2866                    anim[0] = R.anim.rotation_animation_jump_exit;
2867                    anim[1] = R.anim.rotation_animation_enter;
2868                    break;
2869                case ROTATION_ANIMATION_ROTATE:
2870                default:
2871                    anim[0] = anim[1] = 0;
2872                    break;
2873            }
2874        } else {
2875            anim[0] = anim[1] = 0;
2876        }
2877    }
2878
2879    @Override
2880    public boolean validateRotationAnimationLw(int exitAnimId, int enterAnimId,
2881            boolean forceDefault) {
2882        switch (exitAnimId) {
2883            case R.anim.rotation_animation_xfade_exit:
2884            case R.anim.rotation_animation_jump_exit:
2885                // These are the only cases that matter.
2886                if (forceDefault) {
2887                    return false;
2888                }
2889                int anim[] = new int[2];
2890                selectRotationAnimationLw(anim);
2891                return (exitAnimId == anim[0] && enterAnimId == anim[1]);
2892            default:
2893                return true;
2894        }
2895    }
2896
2897    @Override
2898    public Animation createForceHideEnterAnimation(boolean onWallpaper,
2899            boolean goingToNotificationShade) {
2900        if (goingToNotificationShade) {
2901            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_behind_enter_fade_in);
2902        }
2903
2904        AnimationSet set = (AnimationSet) AnimationUtils.loadAnimation(mContext, onWallpaper ?
2905                    R.anim.lock_screen_behind_enter_wallpaper :
2906                    R.anim.lock_screen_behind_enter);
2907
2908        // TODO: Use XML interpolators when we have log interpolators available in XML.
2909        final List<Animation> animations = set.getAnimations();
2910        for (int i = animations.size() - 1; i >= 0; --i) {
2911            animations.get(i).setInterpolator(mLogDecelerateInterpolator);
2912        }
2913
2914        return set;
2915    }
2916
2917
2918    @Override
2919    public Animation createForceHideWallpaperExitAnimation(boolean goingToNotificationShade) {
2920        if (goingToNotificationShade) {
2921            return null;
2922        } else {
2923            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_wallpaper_exit);
2924        }
2925    }
2926
2927    private static void awakenDreams() {
2928        IDreamManager dreamManager = getDreamManager();
2929        if (dreamManager != null) {
2930            try {
2931                dreamManager.awaken();
2932            } catch (RemoteException e) {
2933                // fine, stay asleep then
2934            }
2935        }
2936    }
2937
2938    static IDreamManager getDreamManager() {
2939        return IDreamManager.Stub.asInterface(
2940                ServiceManager.checkService(DreamService.DREAM_SERVICE));
2941    }
2942
2943    TelecomManager getTelecommService() {
2944        return (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE);
2945    }
2946
2947    static IAudioService getAudioService() {
2948        IAudioService audioService = IAudioService.Stub.asInterface(
2949                ServiceManager.checkService(Context.AUDIO_SERVICE));
2950        if (audioService == null) {
2951            Log.w(TAG, "Unable to find IAudioService interface.");
2952        }
2953        return audioService;
2954    }
2955
2956    boolean keyguardOn() {
2957        return isKeyguardShowingAndNotOccluded() || inKeyguardRestrictedKeyInputMode();
2958    }
2959
2960    private static final int[] WINDOW_TYPES_WHERE_HOME_DOESNT_WORK = {
2961            WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
2962            WindowManager.LayoutParams.TYPE_SYSTEM_ERROR,
2963        };
2964
2965    /** {@inheritDoc} */
2966    @Override
2967    public long interceptKeyBeforeDispatching(WindowState win, KeyEvent event, int policyFlags) {
2968        final boolean keyguardOn = keyguardOn();
2969        final int keyCode = event.getKeyCode();
2970        final int repeatCount = event.getRepeatCount();
2971        final int metaState = event.getMetaState();
2972        final int flags = event.getFlags();
2973        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
2974        final boolean canceled = event.isCanceled();
2975
2976        if (DEBUG_INPUT) {
2977            Log.d(TAG, "interceptKeyTi keyCode=" + keyCode + " down=" + down + " repeatCount="
2978                    + repeatCount + " keyguardOn=" + keyguardOn + " mHomePressed=" + mHomePressed
2979                    + " canceled=" + canceled);
2980        }
2981
2982        // If we think we might have a volume down & power key chord on the way
2983        // but we're not sure, then tell the dispatcher to wait a little while and
2984        // try again later before dispatching.
2985        if (mScreenshotChordEnabled && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
2986            if (mScreenshotChordVolumeDownKeyTriggered && !mScreenshotChordPowerKeyTriggered) {
2987                final long now = SystemClock.uptimeMillis();
2988                final long timeoutTime = mScreenshotChordVolumeDownKeyTime
2989                        + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
2990                if (now < timeoutTime) {
2991                    return timeoutTime - now;
2992                }
2993            }
2994            if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
2995                    && mScreenshotChordVolumeDownKeyConsumed) {
2996                if (!down) {
2997                    mScreenshotChordVolumeDownKeyConsumed = false;
2998                }
2999                return -1;
3000            }
3001        }
3002
3003        // Cancel any pending meta actions if we see any other keys being pressed between the down
3004        // of the meta key and its corresponding up.
3005        if (mPendingMetaAction && !KeyEvent.isMetaKey(keyCode)) {
3006            mPendingMetaAction = false;
3007        }
3008        // Any key that is not Alt or Meta cancels Caps Lock combo tracking.
3009        if (mPendingCapsLockToggle && !KeyEvent.isMetaKey(keyCode) && !KeyEvent.isAltKey(keyCode)) {
3010            mPendingCapsLockToggle = false;
3011        }
3012
3013        // First we always handle the home key here, so applications
3014        // can never break it, although if keyguard is on, we do let
3015        // it handle it, because that gives us the correct 5 second
3016        // timeout.
3017        if (keyCode == KeyEvent.KEYCODE_HOME) {
3018
3019            // If we have released the home key, and didn't do anything else
3020            // while it was pressed, then it is time to go home!
3021            if (!down) {
3022                cancelPreloadRecentApps();
3023
3024                mHomePressed = false;
3025                if (mHomeConsumed) {
3026                    mHomeConsumed = false;
3027                    return -1;
3028                }
3029
3030                if (canceled) {
3031                    Log.i(TAG, "Ignoring HOME; event canceled.");
3032                    return -1;
3033                }
3034
3035                // If an incoming call is ringing, HOME is totally disabled.
3036                // (The user is already on the InCallUI at this point,
3037                // and his ONLY options are to answer or reject the call.)
3038                TelecomManager telecomManager = getTelecommService();
3039                if (telecomManager != null && telecomManager.isRinging()) {
3040                    Log.i(TAG, "Ignoring HOME; there's a ringing incoming call.");
3041                    return -1;
3042                }
3043
3044                // Delay handling home if a double-tap is possible.
3045                if (mDoubleTapOnHomeBehavior != DOUBLE_TAP_HOME_NOTHING) {
3046                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable); // just in case
3047                    mHomeDoubleTapPending = true;
3048                    mHandler.postDelayed(mHomeDoubleTapTimeoutRunnable,
3049                            ViewConfiguration.getDoubleTapTimeout());
3050                    return -1;
3051                }
3052
3053                handleShortPressOnHome();
3054                return -1;
3055            }
3056
3057            // If a system window has focus, then it doesn't make sense
3058            // right now to interact with applications.
3059            WindowManager.LayoutParams attrs = win != null ? win.getAttrs() : null;
3060            if (attrs != null) {
3061                final int type = attrs.type;
3062                if (type == WindowManager.LayoutParams.TYPE_KEYGUARD_SCRIM
3063                        || type == WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG
3064                        || (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
3065                    // the "app" is keyguard, so give it the key
3066                    return 0;
3067                }
3068                final int typeCount = WINDOW_TYPES_WHERE_HOME_DOESNT_WORK.length;
3069                for (int i=0; i<typeCount; i++) {
3070                    if (type == WINDOW_TYPES_WHERE_HOME_DOESNT_WORK[i]) {
3071                        // don't do anything, but also don't pass it to the app
3072                        return -1;
3073                    }
3074                }
3075            }
3076
3077            // Remember that home is pressed and handle special actions.
3078            if (repeatCount == 0) {
3079                mHomePressed = true;
3080                if (mHomeDoubleTapPending) {
3081                    mHomeDoubleTapPending = false;
3082                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable);
3083                    handleDoubleTapOnHome();
3084                } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI
3085                        || mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
3086                    preloadRecentApps();
3087                }
3088            } else if ((event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) {
3089                if (!keyguardOn) {
3090                    handleLongPressOnHome(event.getDeviceId());
3091                }
3092            }
3093            return -1;
3094        } else if (keyCode == KeyEvent.KEYCODE_MENU) {
3095            // Hijack modified menu keys for debugging features
3096            final int chordBug = KeyEvent.META_SHIFT_ON;
3097
3098            if (down && repeatCount == 0) {
3099                if (mEnableShiftMenuBugReports && (metaState & chordBug) == chordBug) {
3100                    Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
3101                    mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT,
3102                            null, null, null, 0, null, null);
3103                    return -1;
3104                } else if (SHOW_PROCESSES_ON_ALT_MENU &&
3105                        (metaState & KeyEvent.META_ALT_ON) == KeyEvent.META_ALT_ON) {
3106                    Intent service = new Intent();
3107                    service.setClassName(mContext, "com.android.server.LoadAverageService");
3108                    ContentResolver res = mContext.getContentResolver();
3109                    boolean shown = Settings.Global.getInt(
3110                            res, Settings.Global.SHOW_PROCESSES, 0) != 0;
3111                    if (!shown) {
3112                        mContext.startService(service);
3113                    } else {
3114                        mContext.stopService(service);
3115                    }
3116                    Settings.Global.putInt(
3117                            res, Settings.Global.SHOW_PROCESSES, shown ? 0 : 1);
3118                    return -1;
3119                }
3120            }
3121        } else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
3122            if (down) {
3123                if (repeatCount == 0) {
3124                    mSearchKeyShortcutPending = true;
3125                    mConsumeSearchKeyUp = false;
3126                }
3127            } else {
3128                mSearchKeyShortcutPending = false;
3129                if (mConsumeSearchKeyUp) {
3130                    mConsumeSearchKeyUp = false;
3131                    return -1;
3132                }
3133            }
3134            return 0;
3135        } else if (keyCode == KeyEvent.KEYCODE_APP_SWITCH) {
3136            if (!keyguardOn) {
3137                if (down && repeatCount == 0) {
3138                    preloadRecentApps();
3139                } else if (!down) {
3140                    toggleRecentApps();
3141                }
3142            }
3143            return -1;
3144        } else if (keyCode == KeyEvent.KEYCODE_N && event.isMetaPressed()) {
3145            if (down) {
3146                IStatusBarService service = getStatusBarService();
3147                if (service != null) {
3148                    try {
3149                        service.expandNotificationsPanel();
3150                    } catch (RemoteException e) {
3151                        // do nothing.
3152                    }
3153                }
3154            }
3155        } else if (keyCode == KeyEvent.KEYCODE_S && event.isMetaPressed()
3156                && event.isCtrlPressed()) {
3157            if (down && repeatCount == 0) {
3158                int type = event.isShiftPressed() ? TAKE_SCREENSHOT_SELECTED_REGION
3159                        : TAKE_SCREENSHOT_FULLSCREEN;
3160                mScreenshotRunnable.setScreenshotType(type);
3161                mHandler.post(mScreenshotRunnable);
3162                return -1;
3163            }
3164        } else if (keyCode == KeyEvent.KEYCODE_SLASH && event.isMetaPressed()) {
3165            if (down && repeatCount == 0 && !isKeyguardLocked()) {
3166                toggleKeyboardShortcutsMenu(event.getDeviceId());
3167            }
3168        } else if (keyCode == KeyEvent.KEYCODE_ASSIST) {
3169            if (down) {
3170                if (repeatCount == 0) {
3171                    mAssistKeyLongPressed = false;
3172                } else if (repeatCount == 1) {
3173                    mAssistKeyLongPressed = true;
3174                    if (!keyguardOn) {
3175                         launchAssistLongPressAction();
3176                    }
3177                }
3178            } else {
3179                if (mAssistKeyLongPressed) {
3180                    mAssistKeyLongPressed = false;
3181                } else {
3182                    if (!keyguardOn) {
3183                        launchAssistAction(null, event.getDeviceId());
3184                    }
3185                }
3186            }
3187            return -1;
3188        } else if (keyCode == KeyEvent.KEYCODE_VOICE_ASSIST) {
3189            if (!down) {
3190                Intent voiceIntent;
3191                if (!keyguardOn) {
3192                    voiceIntent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
3193                } else {
3194                    IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
3195                            ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
3196                    if (dic != null) {
3197                        try {
3198                            dic.exitIdle("voice-search");
3199                        } catch (RemoteException e) {
3200                        }
3201                    }
3202                    voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
3203                    voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, true);
3204                }
3205                startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
3206            }
3207        } else if (keyCode == KeyEvent.KEYCODE_SYSRQ) {
3208            if (down && repeatCount == 0) {
3209                mScreenshotRunnable.setScreenshotType(TAKE_SCREENSHOT_FULLSCREEN);
3210                mHandler.post(mScreenshotRunnable);
3211            }
3212            return -1;
3213        } else if (keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP
3214                || keyCode == KeyEvent.KEYCODE_BRIGHTNESS_DOWN) {
3215            if (down) {
3216                int direction = keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP ? 1 : -1;
3217
3218                // Disable autobrightness if it's on
3219                int auto = Settings.System.getIntForUser(
3220                        mContext.getContentResolver(),
3221                        Settings.System.SCREEN_BRIGHTNESS_MODE,
3222                        Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
3223                        UserHandle.USER_CURRENT_OR_SELF);
3224                if (auto != 0) {
3225                    Settings.System.putIntForUser(mContext.getContentResolver(),
3226                            Settings.System.SCREEN_BRIGHTNESS_MODE,
3227                            Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
3228                            UserHandle.USER_CURRENT_OR_SELF);
3229                }
3230
3231                int min = mPowerManager.getMinimumScreenBrightnessSetting();
3232                int max = mPowerManager.getMaximumScreenBrightnessSetting();
3233                int step = (max - min + BRIGHTNESS_STEPS - 1) / BRIGHTNESS_STEPS * direction;
3234                int brightness = Settings.System.getIntForUser(mContext.getContentResolver(),
3235                        Settings.System.SCREEN_BRIGHTNESS,
3236                        mPowerManager.getDefaultScreenBrightnessSetting(),
3237                        UserHandle.USER_CURRENT_OR_SELF);
3238                brightness += step;
3239                // Make sure we don't go beyond the limits.
3240                brightness = Math.min(max, brightness);
3241                brightness = Math.max(min, brightness);
3242
3243                Settings.System.putIntForUser(mContext.getContentResolver(),
3244                        Settings.System.SCREEN_BRIGHTNESS, brightness,
3245                        UserHandle.USER_CURRENT_OR_SELF);
3246                startActivityAsUser(new Intent(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG),
3247                        UserHandle.CURRENT_OR_SELF);
3248            }
3249            return -1;
3250        } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP
3251                || keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
3252                || keyCode == KeyEvent.KEYCODE_VOLUME_MUTE) {
3253            if (mUseTvRouting) {
3254                // On TVs volume keys never go to the foreground app.
3255                dispatchDirectAudioEvent(event);
3256                return -1;
3257            }
3258        }
3259
3260        // Toggle Caps Lock on META-ALT.
3261        boolean actionTriggered = false;
3262        if (KeyEvent.isModifierKey(keyCode)) {
3263            if (!mPendingCapsLockToggle) {
3264                // Start tracking meta state for combo.
3265                mInitialMetaState = mMetaState;
3266                mPendingCapsLockToggle = true;
3267            } else if (event.getAction() == KeyEvent.ACTION_UP) {
3268                int altOnMask = mMetaState & KeyEvent.META_ALT_MASK;
3269                int metaOnMask = mMetaState & KeyEvent.META_META_MASK;
3270
3271                // Check for Caps Lock toggle
3272                if ((metaOnMask != 0) && (altOnMask != 0)) {
3273                    // Check if nothing else is pressed
3274                    if (mInitialMetaState == (mMetaState ^ (altOnMask | metaOnMask))) {
3275                        // Handle Caps Lock Toggle
3276                        mInputManagerInternal.toggleCapsLock(event.getDeviceId());
3277                        actionTriggered = true;
3278                    }
3279                }
3280
3281                // Always stop tracking when key goes up.
3282                mPendingCapsLockToggle = false;
3283            }
3284        }
3285        // Store current meta state to be able to evaluate it later.
3286        mMetaState = metaState;
3287
3288        if (actionTriggered) {
3289            return -1;
3290        }
3291
3292        if (KeyEvent.isMetaKey(keyCode)) {
3293            if (down) {
3294                mPendingMetaAction = true;
3295            } else if (mPendingMetaAction) {
3296                launchAssistAction(Intent.EXTRA_ASSIST_INPUT_HINT_KEYBOARD, event.getDeviceId());
3297            }
3298            return -1;
3299        }
3300
3301        // Shortcuts are invoked through Search+key, so intercept those here
3302        // Any printing key that is chorded with Search should be consumed
3303        // even if no shortcut was invoked.  This prevents text from being
3304        // inadvertently inserted when using a keyboard that has built-in macro
3305        // shortcut keys (that emit Search+x) and some of them are not registered.
3306        if (mSearchKeyShortcutPending) {
3307            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3308            if (kcm.isPrintingKey(keyCode)) {
3309                mConsumeSearchKeyUp = true;
3310                mSearchKeyShortcutPending = false;
3311                if (down && repeatCount == 0 && !keyguardOn) {
3312                    Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState);
3313                    if (shortcutIntent != null) {
3314                        shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3315                        try {
3316                            startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3317                            dismissKeyboardShortcutsMenu();
3318                        } catch (ActivityNotFoundException ex) {
3319                            Slog.w(TAG, "Dropping shortcut key combination because "
3320                                    + "the activity to which it is registered was not found: "
3321                                    + "SEARCH+" + KeyEvent.keyCodeToString(keyCode), ex);
3322                        }
3323                    } else {
3324                        Slog.i(TAG, "Dropping unregistered shortcut key combination: "
3325                                + "SEARCH+" + KeyEvent.keyCodeToString(keyCode));
3326                    }
3327                }
3328                return -1;
3329            }
3330        }
3331
3332        // Invoke shortcuts using Meta.
3333        if (down && repeatCount == 0 && !keyguardOn
3334                && (metaState & KeyEvent.META_META_ON) != 0) {
3335            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3336            if (kcm.isPrintingKey(keyCode)) {
3337                Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode,
3338                        metaState & ~(KeyEvent.META_META_ON
3339                                | KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_RIGHT_ON));
3340                if (shortcutIntent != null) {
3341                    shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3342                    try {
3343                        startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3344                        dismissKeyboardShortcutsMenu();
3345                    } catch (ActivityNotFoundException ex) {
3346                        Slog.w(TAG, "Dropping shortcut key combination because "
3347                                + "the activity to which it is registered was not found: "
3348                                + "META+" + KeyEvent.keyCodeToString(keyCode), ex);
3349                    }
3350                    return -1;
3351                }
3352            }
3353        }
3354
3355        // Handle application launch keys.
3356        if (down && repeatCount == 0 && !keyguardOn) {
3357            String category = sApplicationLaunchKeyCategories.get(keyCode);
3358            if (category != null) {
3359                Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, category);
3360                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3361                try {
3362                    startActivityAsUser(intent, UserHandle.CURRENT);
3363                    dismissKeyboardShortcutsMenu();
3364                } catch (ActivityNotFoundException ex) {
3365                    Slog.w(TAG, "Dropping application launch key because "
3366                            + "the activity to which it is registered was not found: "
3367                            + "keyCode=" + keyCode + ", category=" + category, ex);
3368                }
3369                return -1;
3370            }
3371        }
3372
3373        // Display task switcher for ALT-TAB.
3374        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_TAB) {
3375            if (mRecentAppsHeldModifiers == 0 && !keyguardOn && isUserSetupComplete()) {
3376                final int shiftlessModifiers = event.getModifiers() & ~KeyEvent.META_SHIFT_MASK;
3377                if (KeyEvent.metaStateHasModifiers(shiftlessModifiers, KeyEvent.META_ALT_ON)) {
3378                    mRecentAppsHeldModifiers = shiftlessModifiers;
3379                    showRecentApps(true, false);
3380                    return -1;
3381                }
3382            }
3383        } else if (!down && mRecentAppsHeldModifiers != 0
3384                && (metaState & mRecentAppsHeldModifiers) == 0) {
3385            mRecentAppsHeldModifiers = 0;
3386            hideRecentApps(true, false);
3387        }
3388
3389        // Handle input method switching.
3390        if (down && repeatCount == 0
3391                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3392                        || (keyCode == KeyEvent.KEYCODE_SPACE
3393                                && (metaState & KeyEvent.META_META_MASK) != 0))) {
3394            final boolean forwardDirection = (metaState & KeyEvent.META_SHIFT_MASK) == 0;
3395            mWindowManagerFuncs.switchInputMethod(forwardDirection);
3396            return -1;
3397        }
3398        if (mLanguageSwitchKeyPressed && !down
3399                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3400                        || keyCode == KeyEvent.KEYCODE_SPACE)) {
3401            mLanguageSwitchKeyPressed = false;
3402            return -1;
3403        }
3404
3405        if (isValidGlobalKey(keyCode)
3406                && mGlobalKeyManager.handleGlobalKey(mContext, keyCode, event)) {
3407            return -1;
3408        }
3409
3410        if (down) {
3411            long shortcutCode = keyCode;
3412            if (event.isCtrlPressed()) {
3413                shortcutCode |= ((long) KeyEvent.META_CTRL_ON) << Integer.SIZE;
3414            }
3415
3416            if (event.isAltPressed()) {
3417                shortcutCode |= ((long) KeyEvent.META_ALT_ON) << Integer.SIZE;
3418            }
3419
3420            if (event.isShiftPressed()) {
3421                shortcutCode |= ((long) KeyEvent.META_SHIFT_ON) << Integer.SIZE;
3422            }
3423
3424            if (event.isMetaPressed()) {
3425                shortcutCode |= ((long) KeyEvent.META_META_ON) << Integer.SIZE;
3426            }
3427
3428            IShortcutService shortcutService = mShortcutKeyServices.get(shortcutCode);
3429            if (shortcutService != null) {
3430                try {
3431                    if (isUserSetupComplete()) {
3432                        shortcutService.notifyShortcutKeyPressed(shortcutCode);
3433                    }
3434                } catch (RemoteException e) {
3435                    mShortcutKeyServices.delete(shortcutCode);
3436                }
3437                return -1;
3438            }
3439        }
3440
3441        // Reserve all the META modifier combos for system behavior
3442        if ((metaState & KeyEvent.META_META_ON) != 0) {
3443            return -1;
3444        }
3445
3446        // Let the application handle the key.
3447        return 0;
3448    }
3449
3450    /** {@inheritDoc} */
3451    @Override
3452    public KeyEvent dispatchUnhandledKey(WindowState win, KeyEvent event, int policyFlags) {
3453        // Note: This method is only called if the initial down was unhandled.
3454        if (DEBUG_INPUT) {
3455            Slog.d(TAG, "Unhandled key: win=" + win + ", action=" + event.getAction()
3456                    + ", flags=" + event.getFlags()
3457                    + ", keyCode=" + event.getKeyCode()
3458                    + ", scanCode=" + event.getScanCode()
3459                    + ", metaState=" + event.getMetaState()
3460                    + ", repeatCount=" + event.getRepeatCount()
3461                    + ", policyFlags=" + policyFlags);
3462        }
3463
3464        KeyEvent fallbackEvent = null;
3465        if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
3466            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3467            final int keyCode = event.getKeyCode();
3468            final int metaState = event.getMetaState();
3469            final boolean initialDown = event.getAction() == KeyEvent.ACTION_DOWN
3470                    && event.getRepeatCount() == 0;
3471
3472            // Check for fallback actions specified by the key character map.
3473            final FallbackAction fallbackAction;
3474            if (initialDown) {
3475                fallbackAction = kcm.getFallbackAction(keyCode, metaState);
3476            } else {
3477                fallbackAction = mFallbackActions.get(keyCode);
3478            }
3479
3480            if (fallbackAction != null) {
3481                if (DEBUG_INPUT) {
3482                    Slog.d(TAG, "Fallback: keyCode=" + fallbackAction.keyCode
3483                            + " metaState=" + Integer.toHexString(fallbackAction.metaState));
3484                }
3485
3486                final int flags = event.getFlags() | KeyEvent.FLAG_FALLBACK;
3487                fallbackEvent = KeyEvent.obtain(
3488                        event.getDownTime(), event.getEventTime(),
3489                        event.getAction(), fallbackAction.keyCode,
3490                        event.getRepeatCount(), fallbackAction.metaState,
3491                        event.getDeviceId(), event.getScanCode(),
3492                        flags, event.getSource(), null);
3493
3494                if (!interceptFallback(win, fallbackEvent, policyFlags)) {
3495                    fallbackEvent.recycle();
3496                    fallbackEvent = null;
3497                }
3498
3499                if (initialDown) {
3500                    mFallbackActions.put(keyCode, fallbackAction);
3501                } else if (event.getAction() == KeyEvent.ACTION_UP) {
3502                    mFallbackActions.remove(keyCode);
3503                    fallbackAction.recycle();
3504                }
3505            }
3506        }
3507
3508        if (DEBUG_INPUT) {
3509            if (fallbackEvent == null) {
3510                Slog.d(TAG, "No fallback.");
3511            } else {
3512                Slog.d(TAG, "Performing fallback: " + fallbackEvent);
3513            }
3514        }
3515        return fallbackEvent;
3516    }
3517
3518    private boolean interceptFallback(WindowState win, KeyEvent fallbackEvent, int policyFlags) {
3519        int actions = interceptKeyBeforeQueueing(fallbackEvent, policyFlags);
3520        if ((actions & ACTION_PASS_TO_USER) != 0) {
3521            long delayMillis = interceptKeyBeforeDispatching(
3522                    win, fallbackEvent, policyFlags);
3523            if (delayMillis == 0) {
3524                return true;
3525            }
3526        }
3527        return false;
3528    }
3529
3530    @Override
3531    public void registerShortcutKey(long shortcutCode, IShortcutService shortcutService)
3532            throws RemoteException {
3533        synchronized (mLock) {
3534            IShortcutService service = mShortcutKeyServices.get(shortcutCode);
3535            if (service != null && service.asBinder().pingBinder()) {
3536                throw new RemoteException("Key already exists.");
3537            }
3538
3539            mShortcutKeyServices.put(shortcutCode, shortcutService);
3540        }
3541    }
3542
3543    private void launchAssistLongPressAction() {
3544        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
3545        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3546
3547        // launch the search activity
3548        Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
3549        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3550        try {
3551            // TODO: This only stops the factory-installed search manager.
3552            // Need to formalize an API to handle others
3553            SearchManager searchManager = getSearchManager();
3554            if (searchManager != null) {
3555                searchManager.stopSearch();
3556            }
3557            startActivityAsUser(intent, UserHandle.CURRENT);
3558        } catch (ActivityNotFoundException e) {
3559            Slog.w(TAG, "No activity to handle assist long press action.", e);
3560        }
3561    }
3562
3563    private void launchAssistAction(String hint, int deviceId) {
3564        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3565        if (!isUserSetupComplete()) {
3566            // Disable opening assist window during setup
3567            return;
3568        }
3569        Bundle args = null;
3570        if (deviceId > Integer.MIN_VALUE) {
3571            args = new Bundle();
3572            args.putInt(Intent.EXTRA_ASSIST_INPUT_DEVICE_ID, deviceId);
3573        }
3574        if ((mContext.getResources().getConfiguration().uiMode
3575                & Configuration.UI_MODE_TYPE_MASK) == Configuration.UI_MODE_TYPE_TELEVISION) {
3576            // On TV, use legacy handling until assistants are implemented in the proper way.
3577            ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
3578                    .launchLegacyAssist(hint, UserHandle.myUserId(), args);
3579        } else {
3580            if (hint != null) {
3581                if (args == null) {
3582                    args = new Bundle();
3583                }
3584                args.putBoolean(hint, true);
3585            }
3586            StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3587            if (statusbar != null) {
3588                statusbar.startAssist(args);
3589            }
3590        }
3591    }
3592
3593    private void startActivityAsUser(Intent intent, UserHandle handle) {
3594        if (isUserSetupComplete()) {
3595            mContext.startActivityAsUser(intent, handle);
3596        } else {
3597            Slog.i(TAG, "Not starting activity because user setup is in progress: " + intent);
3598        }
3599    }
3600
3601    private SearchManager getSearchManager() {
3602        if (mSearchManager == null) {
3603            mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
3604        }
3605        return mSearchManager;
3606    }
3607
3608    private void preloadRecentApps() {
3609        mPreloadedRecentApps = true;
3610        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3611        if (statusbar != null) {
3612            statusbar.preloadRecentApps();
3613        }
3614    }
3615
3616    private void cancelPreloadRecentApps() {
3617        if (mPreloadedRecentApps) {
3618            mPreloadedRecentApps = false;
3619            StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3620            if (statusbar != null) {
3621                statusbar.cancelPreloadRecentApps();
3622            }
3623        }
3624    }
3625
3626    private void toggleRecentApps() {
3627        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3628        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3629        if (statusbar != null) {
3630            statusbar.toggleRecentApps();
3631        }
3632    }
3633
3634    @Override
3635    public void showRecentApps(boolean fromHome) {
3636        mHandler.removeMessages(MSG_DISPATCH_SHOW_RECENTS);
3637        mHandler.obtainMessage(MSG_DISPATCH_SHOW_RECENTS, fromHome ? 1 : 0, 0).sendToTarget();
3638    }
3639
3640    private void showRecentApps(boolean triggeredFromAltTab, boolean fromHome) {
3641        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3642        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3643        if (statusbar != null) {
3644            statusbar.showRecentApps(triggeredFromAltTab, fromHome);
3645        }
3646    }
3647
3648    private void toggleKeyboardShortcutsMenu(int deviceId) {
3649        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3650        if (statusbar != null) {
3651            statusbar.toggleKeyboardShortcutsMenu(deviceId);
3652        }
3653    }
3654
3655    private void dismissKeyboardShortcutsMenu() {
3656        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3657        if (statusbar != null) {
3658            statusbar.dismissKeyboardShortcutsMenu();
3659        }
3660    }
3661
3662    private void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHome) {
3663        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3664        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3665        if (statusbar != null) {
3666            statusbar.hideRecentApps(triggeredFromAltTab, triggeredFromHome);
3667        }
3668    }
3669
3670    void launchHomeFromHotKey() {
3671        launchHomeFromHotKey(true /* awakenFromDreams */, true /*respectKeyguard*/);
3672    }
3673
3674    /**
3675     * A home key -> launch home action was detected.  Take the appropriate action
3676     * given the situation with the keyguard.
3677     */
3678    void launchHomeFromHotKey(final boolean awakenFromDreams, final boolean respectKeyguard) {
3679        if (respectKeyguard) {
3680            if (isKeyguardShowingAndNotOccluded()) {
3681                // don't launch home if keyguard showing
3682                return;
3683            }
3684
3685            if (!mHideLockScreen && mKeyguardDelegate.isInputRestricted()) {
3686                // when in keyguard restricted mode, must first verify unlock
3687                // before launching home
3688                mKeyguardDelegate.verifyUnlock(new OnKeyguardExitResult() {
3689                    @Override
3690                    public void onKeyguardExitResult(boolean success) {
3691                        if (success) {
3692                            try {
3693                                ActivityManagerNative.getDefault().stopAppSwitches();
3694                            } catch (RemoteException e) {
3695                            }
3696                            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3697                            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3698                        }
3699                    }
3700                });
3701                return;
3702            }
3703        }
3704
3705        // no keyguard stuff to worry about, just launch home!
3706        try {
3707            ActivityManagerNative.getDefault().stopAppSwitches();
3708        } catch (RemoteException e) {
3709        }
3710        if (mRecentsVisible) {
3711            // Hide Recents and notify it to launch Home
3712            if (awakenFromDreams) {
3713                awakenDreams();
3714            }
3715            hideRecentApps(false, true);
3716        } else {
3717            // Otherwise, just launch Home
3718            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3719            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3720        }
3721    }
3722
3723    private final Runnable mClearHideNavigationFlag = new Runnable() {
3724        @Override
3725        public void run() {
3726            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3727                // Clear flags.
3728                mForceClearedSystemUiFlags &=
3729                        ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3730            }
3731            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3732        }
3733    };
3734
3735    /**
3736     * Input handler used while nav bar is hidden.  Captures any touch on the screen,
3737     * to determine when the nav bar should be shown and prevent applications from
3738     * receiving those touches.
3739     */
3740    final class HideNavInputEventReceiver extends InputEventReceiver {
3741        public HideNavInputEventReceiver(InputChannel inputChannel, Looper looper) {
3742            super(inputChannel, looper);
3743        }
3744
3745        @Override
3746        public void onInputEvent(InputEvent event) {
3747            boolean handled = false;
3748            try {
3749                if (event instanceof MotionEvent
3750                        && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
3751                    final MotionEvent motionEvent = (MotionEvent)event;
3752                    if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
3753                        // When the user taps down, we re-show the nav bar.
3754                        boolean changed = false;
3755                        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3756                            if (mInputConsumer == null) {
3757                                return;
3758                            }
3759                            // Any user activity always causes us to show the
3760                            // navigation controls, if they had been hidden.
3761                            // We also clear the low profile and only content
3762                            // flags so that tapping on the screen will atomically
3763                            // restore all currently hidden screen decorations.
3764                            int newVal = mResettingSystemUiFlags |
3765                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
3766                                    View.SYSTEM_UI_FLAG_LOW_PROFILE |
3767                                    View.SYSTEM_UI_FLAG_FULLSCREEN;
3768                            if (mResettingSystemUiFlags != newVal) {
3769                                mResettingSystemUiFlags = newVal;
3770                                changed = true;
3771                            }
3772                            // We don't allow the system's nav bar to be hidden
3773                            // again for 1 second, to prevent applications from
3774                            // spamming us and keeping it from being shown.
3775                            newVal = mForceClearedSystemUiFlags |
3776                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3777                            if (mForceClearedSystemUiFlags != newVal) {
3778                                mForceClearedSystemUiFlags = newVal;
3779                                changed = true;
3780                                mHandler.postDelayed(mClearHideNavigationFlag, 1000);
3781                            }
3782                        }
3783                        if (changed) {
3784                            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3785                        }
3786                    }
3787                }
3788            } finally {
3789                finishInputEvent(event, handled);
3790            }
3791        }
3792    }
3793    final InputEventReceiver.Factory mHideNavInputEventReceiverFactory =
3794            new InputEventReceiver.Factory() {
3795        @Override
3796        public InputEventReceiver createInputEventReceiver(
3797                InputChannel inputChannel, Looper looper) {
3798            return new HideNavInputEventReceiver(inputChannel, looper);
3799        }
3800    };
3801
3802    @Override
3803    public int adjustSystemUiVisibilityLw(int visibility) {
3804        mStatusBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3805        mNavigationBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3806        mRecentsVisible = (visibility & View.RECENT_APPS_VISIBLE) > 0;
3807        mTvPictureInPictureVisible = (visibility & View.TV_PICTURE_IN_PICTURE_VISIBLE) > 0;
3808
3809        // Reset any bits in mForceClearingStatusBarVisibility that
3810        // are now clear.
3811        mResettingSystemUiFlags &= visibility;
3812        // Clear any bits in the new visibility that are currently being
3813        // force cleared, before reporting it.
3814        return visibility & ~mResettingSystemUiFlags
3815                & ~mForceClearedSystemUiFlags;
3816    }
3817
3818    @Override
3819    public boolean getInsetHintLw(WindowManager.LayoutParams attrs, Rect taskBounds,
3820            int displayRotation, int displayWidth, int displayHeight, Rect outContentInsets,
3821            Rect outStableInsets, Rect outOutsets) {
3822        final int fl = PolicyControl.getWindowFlags(null, attrs);
3823        final int sysuiVis = PolicyControl.getSystemUiVisibility(null, attrs);
3824        final int systemUiVisibility = (sysuiVis | attrs.subtreeSystemUiVisibility);
3825
3826        final boolean useOutsets = outOutsets != null && shouldUseOutsets(attrs, fl);
3827        if (useOutsets) {
3828            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
3829            if (outset > 0) {
3830                if (displayRotation == Surface.ROTATION_0) {
3831                    outOutsets.bottom += outset;
3832                } else if (displayRotation == Surface.ROTATION_90) {
3833                    outOutsets.right += outset;
3834                } else if (displayRotation == Surface.ROTATION_180) {
3835                    outOutsets.top += outset;
3836                } else if (displayRotation == Surface.ROTATION_270) {
3837                    outOutsets.left += outset;
3838                }
3839            }
3840        }
3841
3842        if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3843                == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3844            int availRight, availBottom;
3845            if (canHideNavigationBar() &&
3846                    (systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0) {
3847                availRight = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3848                availBottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3849            } else {
3850                availRight = mRestrictedScreenLeft + mRestrictedScreenWidth;
3851                availBottom = mRestrictedScreenTop + mRestrictedScreenHeight;
3852            }
3853            if ((systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3854                if ((fl & FLAG_FULLSCREEN) != 0) {
3855                    outContentInsets.set(mStableFullscreenLeft, mStableFullscreenTop,
3856                            availRight - mStableFullscreenRight,
3857                            availBottom - mStableFullscreenBottom);
3858                } else {
3859                    outContentInsets.set(mStableLeft, mStableTop,
3860                            availRight - mStableRight, availBottom - mStableBottom);
3861                }
3862            } else if ((fl & FLAG_FULLSCREEN) != 0 || (fl & FLAG_LAYOUT_IN_OVERSCAN) != 0) {
3863                outContentInsets.setEmpty();
3864            } else if ((systemUiVisibility & (View.SYSTEM_UI_FLAG_FULLSCREEN
3865                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)) == 0) {
3866                outContentInsets.set(mCurLeft, mCurTop,
3867                        availRight - mCurRight, availBottom - mCurBottom);
3868            } else {
3869                outContentInsets.set(mCurLeft, mCurTop,
3870                        availRight - mCurRight, availBottom - mCurBottom);
3871            }
3872
3873            outStableInsets.set(mStableLeft, mStableTop,
3874                    availRight - mStableRight, availBottom - mStableBottom);
3875            if (taskBounds != null) {
3876                calculateRelevantTaskInsets(taskBounds, outContentInsets,
3877                        displayWidth, displayHeight);
3878                calculateRelevantTaskInsets(taskBounds, outStableInsets,
3879                        displayWidth, displayHeight);
3880            }
3881            return mForceShowSystemBars;
3882        }
3883        outContentInsets.setEmpty();
3884        outStableInsets.setEmpty();
3885        return mForceShowSystemBars;
3886    }
3887
3888    /**
3889     * For any given task bounds, the insets relevant for these bounds given the insets relevant
3890     * for the entire display.
3891     */
3892    private void calculateRelevantTaskInsets(Rect taskBounds, Rect inOutInsets, int displayWidth,
3893            int displayHeight) {
3894        mTmpRect.set(0, 0, displayWidth, displayHeight);
3895        mTmpRect.inset(inOutInsets);
3896        mTmpRect.intersect(taskBounds);
3897        int leftInset = mTmpRect.left - taskBounds.left;
3898        int topInset = mTmpRect.top - taskBounds.top;
3899        int rightInset = taskBounds.right - mTmpRect.right;
3900        int bottomInset = taskBounds.bottom - mTmpRect.bottom;
3901        inOutInsets.set(leftInset, topInset, rightInset, bottomInset);
3902    }
3903
3904    private boolean shouldUseOutsets(WindowManager.LayoutParams attrs, int fl) {
3905        return attrs.type == TYPE_WALLPAPER || (fl & (WindowManager.LayoutParams.FLAG_FULLSCREEN
3906                | WindowManager.LayoutParams.FLAG_LAYOUT_IN_OVERSCAN)) != 0;
3907    }
3908
3909    /** {@inheritDoc} */
3910    @Override
3911    public void beginLayoutLw(boolean isDefaultDisplay, int displayWidth, int displayHeight,
3912                              int displayRotation, int uiMode) {
3913        mDisplayRotation = displayRotation;
3914        final int overscanLeft, overscanTop, overscanRight, overscanBottom;
3915        if (isDefaultDisplay) {
3916            switch (displayRotation) {
3917                case Surface.ROTATION_90:
3918                    overscanLeft = mOverscanTop;
3919                    overscanTop = mOverscanRight;
3920                    overscanRight = mOverscanBottom;
3921                    overscanBottom = mOverscanLeft;
3922                    break;
3923                case Surface.ROTATION_180:
3924                    overscanLeft = mOverscanRight;
3925                    overscanTop = mOverscanBottom;
3926                    overscanRight = mOverscanLeft;
3927                    overscanBottom = mOverscanTop;
3928                    break;
3929                case Surface.ROTATION_270:
3930                    overscanLeft = mOverscanBottom;
3931                    overscanTop = mOverscanLeft;
3932                    overscanRight = mOverscanTop;
3933                    overscanBottom = mOverscanRight;
3934                    break;
3935                default:
3936                    overscanLeft = mOverscanLeft;
3937                    overscanTop = mOverscanTop;
3938                    overscanRight = mOverscanRight;
3939                    overscanBottom = mOverscanBottom;
3940                    break;
3941            }
3942        } else {
3943            overscanLeft = 0;
3944            overscanTop = 0;
3945            overscanRight = 0;
3946            overscanBottom = 0;
3947        }
3948        mOverscanScreenLeft = mRestrictedOverscanScreenLeft = 0;
3949        mOverscanScreenTop = mRestrictedOverscanScreenTop = 0;
3950        mOverscanScreenWidth = mRestrictedOverscanScreenWidth = displayWidth;
3951        mOverscanScreenHeight = mRestrictedOverscanScreenHeight = displayHeight;
3952        mSystemLeft = 0;
3953        mSystemTop = 0;
3954        mSystemRight = displayWidth;
3955        mSystemBottom = displayHeight;
3956        mUnrestrictedScreenLeft = overscanLeft;
3957        mUnrestrictedScreenTop = overscanTop;
3958        mUnrestrictedScreenWidth = displayWidth - overscanLeft - overscanRight;
3959        mUnrestrictedScreenHeight = displayHeight - overscanTop - overscanBottom;
3960        mRestrictedScreenLeft = mUnrestrictedScreenLeft;
3961        mRestrictedScreenTop = mUnrestrictedScreenTop;
3962        mRestrictedScreenWidth = mSystemGestures.screenWidth = mUnrestrictedScreenWidth;
3963        mRestrictedScreenHeight = mSystemGestures.screenHeight = mUnrestrictedScreenHeight;
3964        mDockLeft = mContentLeft = mVoiceContentLeft = mStableLeft = mStableFullscreenLeft
3965                = mCurLeft = mUnrestrictedScreenLeft;
3966        mDockTop = mContentTop = mVoiceContentTop = mStableTop = mStableFullscreenTop
3967                = mCurTop = mUnrestrictedScreenTop;
3968        mDockRight = mContentRight = mVoiceContentRight = mStableRight = mStableFullscreenRight
3969                = mCurRight = displayWidth - overscanRight;
3970        mDockBottom = mContentBottom = mVoiceContentBottom = mStableBottom = mStableFullscreenBottom
3971                = mCurBottom = displayHeight - overscanBottom;
3972        mDockLayer = 0x10000000;
3973        mStatusBarLayer = -1;
3974
3975        // start with the current dock rect, which will be (0,0,displayWidth,displayHeight)
3976        final Rect pf = mTmpParentFrame;
3977        final Rect df = mTmpDisplayFrame;
3978        final Rect of = mTmpOverscanFrame;
3979        final Rect vf = mTmpVisibleFrame;
3980        final Rect dcf = mTmpDecorFrame;
3981        pf.left = df.left = of.left = vf.left = mDockLeft;
3982        pf.top = df.top = of.top = vf.top = mDockTop;
3983        pf.right = df.right = of.right = vf.right = mDockRight;
3984        pf.bottom = df.bottom = of.bottom = vf.bottom = mDockBottom;
3985        dcf.setEmpty();  // Decor frame N/A for system bars.
3986
3987        if (isDefaultDisplay) {
3988            // For purposes of putting out fake window up to steal focus, we will
3989            // drive nav being hidden only by whether it is requested.
3990            final int sysui = mLastSystemUiFlags;
3991            boolean navVisible = (sysui & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0;
3992            boolean navTranslucent = (sysui
3993                    & (View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT)) != 0;
3994            boolean immersive = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
3995            boolean immersiveSticky = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
3996            boolean navAllowedHidden = immersive || immersiveSticky;
3997            navTranslucent &= !immersiveSticky;  // transient trumps translucent
3998            boolean isKeyguardShowing = isStatusBarKeyguard() && !mHideLockScreen;
3999            if (!isKeyguardShowing) {
4000                navTranslucent &= areTranslucentBarsAllowed();
4001            }
4002            boolean statusBarExpandedNotKeyguard = !isKeyguardShowing && mStatusBar != null
4003                    && mStatusBar.getAttrs().height == MATCH_PARENT
4004                    && mStatusBar.getAttrs().width == MATCH_PARENT;
4005
4006            // When the navigation bar isn't visible, we put up a fake
4007            // input window to catch all touch events.  This way we can
4008            // detect when the user presses anywhere to bring back the nav
4009            // bar and ensure the application doesn't see the event.
4010            if (navVisible || navAllowedHidden) {
4011                if (mInputConsumer != null) {
4012                    mHandler.sendMessage(
4013                            mHandler.obtainMessage(MSG_DISPOSE_INPUT_CONSUMER, mInputConsumer));
4014                    mInputConsumer = null;
4015                }
4016            } else if (mInputConsumer == null) {
4017                mInputConsumer = mWindowManagerFuncs.addInputConsumer(mHandler.getLooper(),
4018                        mHideNavInputEventReceiverFactory);
4019            }
4020
4021            // For purposes of positioning and showing the nav bar, if we have
4022            // decided that it can't be hidden (because of the screen aspect ratio),
4023            // then take that into account.
4024            navVisible |= !canHideNavigationBar();
4025
4026            boolean updateSysUiVisibility = layoutNavigationBar(displayWidth, displayHeight,
4027                    displayRotation, uiMode, overscanRight, overscanBottom, dcf, navVisible, navTranslucent,
4028                    navAllowedHidden, statusBarExpandedNotKeyguard);
4029            if (DEBUG_LAYOUT) Slog.i(TAG, String.format("mDock rect: (%d,%d - %d,%d)",
4030                    mDockLeft, mDockTop, mDockRight, mDockBottom));
4031            updateSysUiVisibility |= layoutStatusBar(pf, df, of, vf, dcf, sysui, isKeyguardShowing);
4032            if (updateSysUiVisibility) {
4033                updateSystemUiVisibilityLw();
4034            }
4035        }
4036    }
4037
4038    private boolean layoutStatusBar(Rect pf, Rect df, Rect of, Rect vf, Rect dcf, int sysui,
4039            boolean isKeyguardShowing) {
4040        // decide where the status bar goes ahead of time
4041        if (mStatusBar != null) {
4042            // apply any navigation bar insets
4043            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4044            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4045            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
4046            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight
4047                    + mUnrestrictedScreenTop;
4048            vf.left = mStableLeft;
4049            vf.top = mStableTop;
4050            vf.right = mStableRight;
4051            vf.bottom = mStableBottom;
4052
4053            mStatusBarLayer = mStatusBar.getSurfaceLayer();
4054
4055            // Let the status bar determine its size.
4056            mStatusBar.computeFrameLw(pf /* parentFrame */, df /* displayFrame */,
4057                    vf /* overlayFrame */, vf /* contentFrame */, vf /* visibleFrame */,
4058                    dcf /* decorFrame */, vf /* stableFrame */, vf /* outsetFrame */);
4059
4060            // For layout, the status bar is always at the top with our fixed height.
4061            mStableTop = mUnrestrictedScreenTop + mStatusBarHeight;
4062
4063            boolean statusBarTransient = (sysui & View.STATUS_BAR_TRANSIENT) != 0;
4064            boolean statusBarTranslucent = (sysui
4065                    & (View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT)) != 0;
4066            if (!isKeyguardShowing) {
4067                statusBarTranslucent &= areTranslucentBarsAllowed();
4068            }
4069
4070            // If the status bar is hidden, we don't want to cause
4071            // windows behind it to scroll.
4072            if (mStatusBar.isVisibleLw() && !statusBarTransient) {
4073                // Status bar may go away, so the screen area it occupies
4074                // is available to apps but just covering them when the
4075                // status bar is visible.
4076                mDockTop = mUnrestrictedScreenTop + mStatusBarHeight;
4077
4078                mContentTop = mVoiceContentTop = mCurTop = mDockTop;
4079                mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
4080                mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
4081                mContentRight = mVoiceContentRight = mCurRight = mDockRight;
4082
4083                if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar: " +
4084                        String.format(
4085                                "dock=[%d,%d][%d,%d] content=[%d,%d][%d,%d] cur=[%d,%d][%d,%d]",
4086                                mDockLeft, mDockTop, mDockRight, mDockBottom,
4087                                mContentLeft, mContentTop, mContentRight, mContentBottom,
4088                                mCurLeft, mCurTop, mCurRight, mCurBottom));
4089            }
4090            if (mStatusBar.isVisibleLw() && !mStatusBar.isAnimatingLw()
4091                    && !statusBarTransient && !statusBarTranslucent
4092                    && !mStatusBarController.wasRecentlyTranslucent()) {
4093                // If the opaque status bar is currently requested to be visible,
4094                // and not in the process of animating on or off, then
4095                // we can tell the app that it is covered by it.
4096                mSystemTop = mUnrestrictedScreenTop + mStatusBarHeight;
4097            }
4098            if (mStatusBarController.checkHiddenLw()) {
4099                return true;
4100            }
4101        }
4102        return false;
4103    }
4104
4105    private boolean layoutNavigationBar(int displayWidth, int displayHeight, int displayRotation,
4106            int uiMode, int overscanRight, int overscanBottom, Rect dcf, boolean navVisible,
4107            boolean navTranslucent, boolean navAllowedHidden,
4108            boolean statusBarExpandedNotKeyguard) {
4109        if (mNavigationBar != null) {
4110            boolean transientNavBarShowing = mNavigationBarController.isTransientShowing();
4111            // Force the navigation bar to its appropriate place and
4112            // size.  We need to do this directly, instead of relying on
4113            // it to bubble up from the nav bar, because this needs to
4114            // change atomically with screen rotations.
4115            mNavigationBarOnBottom = isNavigationBarOnBottom(displayWidth, displayHeight);
4116            if (mNavigationBarOnBottom) {
4117                // It's a system nav bar or a portrait screen; nav bar goes on bottom.
4118                int top = displayHeight - overscanBottom
4119                        - getNavigationBarHeight(displayRotation, uiMode);
4120                mTmpNavigationFrame.set(0, top, displayWidth, displayHeight - overscanBottom);
4121                mStableBottom = mStableFullscreenBottom = mTmpNavigationFrame.top;
4122                if (transientNavBarShowing) {
4123                    mNavigationBarController.setBarShowingLw(true);
4124                } else if (navVisible) {
4125                    mNavigationBarController.setBarShowingLw(true);
4126                    mDockBottom = mTmpNavigationFrame.top;
4127                    mRestrictedScreenHeight = mDockBottom - mRestrictedScreenTop;
4128                    mRestrictedOverscanScreenHeight = mDockBottom - mRestrictedOverscanScreenTop;
4129                } else {
4130                    // We currently want to hide the navigation UI - unless we expanded the status
4131                    // bar.
4132                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4133                }
4134                if (navVisible && !navTranslucent && !navAllowedHidden
4135                        && !mNavigationBar.isAnimatingLw()
4136                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4137                    // If the opaque nav bar is currently requested to be visible,
4138                    // and not in the process of animating on or off, then
4139                    // we can tell the app that it is covered by it.
4140                    mSystemBottom = mTmpNavigationFrame.top;
4141                }
4142            } else {
4143                // Landscape screen; nav bar goes to the right.
4144                int left = displayWidth - overscanRight
4145                        - getNavigationBarWidth(displayRotation, uiMode);
4146                mTmpNavigationFrame.set(left, 0, displayWidth - overscanRight, displayHeight);
4147                mStableRight = mStableFullscreenRight = mTmpNavigationFrame.left;
4148                if (transientNavBarShowing) {
4149                    mNavigationBarController.setBarShowingLw(true);
4150                } else if (navVisible) {
4151                    mNavigationBarController.setBarShowingLw(true);
4152                    mDockRight = mTmpNavigationFrame.left;
4153                    mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
4154                    mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
4155                } else {
4156                    // We currently want to hide the navigation UI - unless we expanded the status
4157                    // bar.
4158                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4159                }
4160                if (navVisible && !navTranslucent && !navAllowedHidden
4161                        && !mNavigationBar.isAnimatingLw()
4162                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4163                    // If the nav bar is currently requested to be visible,
4164                    // and not in the process of animating on or off, then
4165                    // we can tell the app that it is covered by it.
4166                    mSystemRight = mTmpNavigationFrame.left;
4167                }
4168            }
4169            // Make sure the content and current rectangles are updated to
4170            // account for the restrictions from the navigation bar.
4171            mContentTop = mVoiceContentTop = mCurTop = mDockTop;
4172            mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
4173            mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
4174            mContentRight = mVoiceContentRight = mCurRight = mDockRight;
4175            mStatusBarLayer = mNavigationBar.getSurfaceLayer();
4176            // And compute the final frame.
4177            mNavigationBar.computeFrameLw(mTmpNavigationFrame, mTmpNavigationFrame,
4178                    mTmpNavigationFrame, mTmpNavigationFrame, mTmpNavigationFrame, dcf,
4179                    mTmpNavigationFrame, mTmpNavigationFrame);
4180            if (DEBUG_LAYOUT) Slog.i(TAG, "mNavigationBar frame: " + mTmpNavigationFrame);
4181            if (mNavigationBarController.checkHiddenLw()) {
4182                return true;
4183            }
4184        }
4185        return false;
4186    }
4187
4188    private boolean isNavigationBarOnBottom(int displayWidth, int displayHeight) {
4189        return !mNavigationBarCanMove || displayWidth < displayHeight;
4190    }
4191
4192    /** {@inheritDoc} */
4193    @Override
4194    public int getSystemDecorLayerLw() {
4195        if (mStatusBar != null && mStatusBar.isVisibleLw()) {
4196            return mStatusBar.getSurfaceLayer();
4197        }
4198
4199        if (mNavigationBar != null && mNavigationBar.isVisibleLw()) {
4200            return mNavigationBar.getSurfaceLayer();
4201        }
4202
4203        return 0;
4204    }
4205
4206    @Override
4207    public void getContentRectLw(Rect r) {
4208        r.set(mContentLeft, mContentTop, mContentRight, mContentBottom);
4209    }
4210
4211    void setAttachedWindowFrames(WindowState win, int fl, int adjust, WindowState attached,
4212            boolean insetDecors, Rect pf, Rect df, Rect of, Rect cf, Rect vf) {
4213        if (win.getSurfaceLayer() > mDockLayer && attached.getSurfaceLayer() < mDockLayer) {
4214            // Here's a special case: if this attached window is a panel that is
4215            // above the dock window, and the window it is attached to is below
4216            // the dock window, then the frames we computed for the window it is
4217            // attached to can not be used because the dock is effectively part
4218            // of the underlying window and the attached window is floating on top
4219            // of the whole thing.  So, we ignore the attached window and explicitly
4220            // compute the frames that would be appropriate without the dock.
4221            df.left = of.left = cf.left = vf.left = mDockLeft;
4222            df.top = of.top = cf.top = vf.top = mDockTop;
4223            df.right = of.right = cf.right = vf.right = mDockRight;
4224            df.bottom = of.bottom = cf.bottom = vf.bottom = mDockBottom;
4225        } else {
4226            // The effective display frame of the attached window depends on
4227            // whether it is taking care of insetting its content.  If not,
4228            // we need to use the parent's content frame so that the entire
4229            // window is positioned within that content.  Otherwise we can use
4230            // the overscan frame and let the attached window take care of
4231            // positioning its content appropriately.
4232            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4233                // Set the content frame of the attached window to the parent's decor frame
4234                // (same as content frame when IME isn't present) if specifically requested by
4235                // setting {@link WindowManager.LayoutParams#FLAG_LAYOUT_ATTACHED_IN_DECOR} flag.
4236                // Otherwise, use the overscan frame.
4237                cf.set((fl & FLAG_LAYOUT_ATTACHED_IN_DECOR) != 0
4238                        ? attached.getContentFrameLw() : attached.getOverscanFrameLw());
4239            } else {
4240                // If the window is resizing, then we want to base the content
4241                // frame on our attached content frame to resize...  however,
4242                // things can be tricky if the attached window is NOT in resize
4243                // mode, in which case its content frame will be larger.
4244                // Ungh.  So to deal with that, make sure the content frame
4245                // we end up using is not covering the IM dock.
4246                cf.set(attached.getContentFrameLw());
4247                if (attached.isVoiceInteraction()) {
4248                    if (cf.left < mVoiceContentLeft) cf.left = mVoiceContentLeft;
4249                    if (cf.top < mVoiceContentTop) cf.top = mVoiceContentTop;
4250                    if (cf.right > mVoiceContentRight) cf.right = mVoiceContentRight;
4251                    if (cf.bottom > mVoiceContentBottom) cf.bottom = mVoiceContentBottom;
4252                } else if (attached.getSurfaceLayer() < mDockLayer) {
4253                    if (cf.left < mContentLeft) cf.left = mContentLeft;
4254                    if (cf.top < mContentTop) cf.top = mContentTop;
4255                    if (cf.right > mContentRight) cf.right = mContentRight;
4256                    if (cf.bottom > mContentBottom) cf.bottom = mContentBottom;
4257                }
4258            }
4259            df.set(insetDecors ? attached.getDisplayFrameLw() : cf);
4260            of.set(insetDecors ? attached.getOverscanFrameLw() : cf);
4261            vf.set(attached.getVisibleFrameLw());
4262        }
4263        // The LAYOUT_IN_SCREEN flag is used to determine whether the attached
4264        // window should be positioned relative to its parent or the entire
4265        // screen.
4266        pf.set((fl & FLAG_LAYOUT_IN_SCREEN) == 0
4267                ? attached.getFrameLw() : df);
4268    }
4269
4270    private void applyStableConstraints(int sysui, int fl, Rect r) {
4271        if ((sysui & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
4272            // If app is requesting a stable layout, don't let the
4273            // content insets go below the stable values.
4274            if ((fl & FLAG_FULLSCREEN) != 0) {
4275                if (r.left < mStableFullscreenLeft) r.left = mStableFullscreenLeft;
4276                if (r.top < mStableFullscreenTop) r.top = mStableFullscreenTop;
4277                if (r.right > mStableFullscreenRight) r.right = mStableFullscreenRight;
4278                if (r.bottom > mStableFullscreenBottom) r.bottom = mStableFullscreenBottom;
4279            } else {
4280                if (r.left < mStableLeft) r.left = mStableLeft;
4281                if (r.top < mStableTop) r.top = mStableTop;
4282                if (r.right > mStableRight) r.right = mStableRight;
4283                if (r.bottom > mStableBottom) r.bottom = mStableBottom;
4284            }
4285        }
4286    }
4287
4288    private boolean canReceiveInput(WindowState win) {
4289        boolean notFocusable =
4290                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) != 0;
4291        boolean altFocusableIm =
4292                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM) != 0;
4293        boolean notFocusableForIm = notFocusable ^ altFocusableIm;
4294        return !notFocusableForIm;
4295    }
4296
4297    /** {@inheritDoc} */
4298    @Override
4299    public void layoutWindowLw(WindowState win, WindowState attached) {
4300        // We've already done the navigation bar and status bar. If the status bar can receive
4301        // input, we need to layout it again to accomodate for the IME window.
4302        if ((win == mStatusBar && !canReceiveInput(win)) || win == mNavigationBar) {
4303            return;
4304        }
4305        final WindowManager.LayoutParams attrs = win.getAttrs();
4306        final boolean isDefaultDisplay = win.isDefaultDisplay();
4307        final boolean needsToOffsetInputMethodTarget = isDefaultDisplay &&
4308                (win == mLastInputMethodTargetWindow && mLastInputMethodWindow != null);
4309        if (needsToOffsetInputMethodTarget) {
4310            if (DEBUG_LAYOUT) Slog.i(TAG, "Offset ime target window by the last ime window state");
4311            offsetInputMethodWindowLw(mLastInputMethodWindow);
4312        }
4313
4314        final int fl = PolicyControl.getWindowFlags(win, attrs);
4315        final int pfl = attrs.privateFlags;
4316        final int sim = attrs.softInputMode;
4317        final int sysUiFl = PolicyControl.getSystemUiVisibility(win, null);
4318
4319        final Rect pf = mTmpParentFrame;
4320        final Rect df = mTmpDisplayFrame;
4321        final Rect of = mTmpOverscanFrame;
4322        final Rect cf = mTmpContentFrame;
4323        final Rect vf = mTmpVisibleFrame;
4324        final Rect dcf = mTmpDecorFrame;
4325        final Rect sf = mTmpStableFrame;
4326        Rect osf = null;
4327        dcf.setEmpty();
4328
4329        final boolean hasNavBar = (isDefaultDisplay && mHasNavigationBar
4330                && mNavigationBar != null && mNavigationBar.isVisibleLw());
4331
4332        final int adjust = sim & SOFT_INPUT_MASK_ADJUST;
4333
4334        if (isDefaultDisplay) {
4335            sf.set(mStableLeft, mStableTop, mStableRight, mStableBottom);
4336        } else {
4337            sf.set(mOverscanLeft, mOverscanTop, mOverscanRight, mOverscanBottom);
4338        }
4339
4340        if (!isDefaultDisplay) {
4341            if (attached != null) {
4342                // If this window is attached to another, our display
4343                // frame is the same as the one we are attached to.
4344                setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4345            } else {
4346                // Give the window full screen.
4347                pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4348                pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4349                pf.right = df.right = of.right = cf.right
4350                        = mOverscanScreenLeft + mOverscanScreenWidth;
4351                pf.bottom = df.bottom = of.bottom = cf.bottom
4352                        = mOverscanScreenTop + mOverscanScreenHeight;
4353            }
4354        } else if (attrs.type == TYPE_INPUT_METHOD) {
4355            pf.left = df.left = of.left = cf.left = vf.left = mDockLeft;
4356            pf.top = df.top = of.top = cf.top = vf.top = mDockTop;
4357            pf.right = df.right = of.right = cf.right = vf.right = mDockRight;
4358            // IM dock windows layout below the nav bar...
4359            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4360            // ...with content insets above the nav bar
4361            cf.bottom = vf.bottom = mStableBottom;
4362            if (mStatusBar != null && mFocusedWindow == mStatusBar && canReceiveInput(mStatusBar)) {
4363                // The status bar forces the navigation bar while it's visible. Make sure the IME
4364                // avoids the navigation bar in that case.
4365                pf.right = df.right = of.right = cf.right = vf.right = mStableRight;
4366            }
4367            // IM dock windows always go to the bottom of the screen.
4368            attrs.gravity = Gravity.BOTTOM;
4369            mDockLayer = win.getSurfaceLayer();
4370        } else if (attrs.type == TYPE_VOICE_INTERACTION) {
4371            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4372            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4373            pf.right = df.right = of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4374            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4375            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4376                cf.left = mDockLeft;
4377                cf.top = mDockTop;
4378                cf.right = mDockRight;
4379                cf.bottom = mDockBottom;
4380            } else {
4381                cf.left = mContentLeft;
4382                cf.top = mContentTop;
4383                cf.right = mContentRight;
4384                cf.bottom = mContentBottom;
4385            }
4386            if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4387                vf.left = mCurLeft;
4388                vf.top = mCurTop;
4389                vf.right = mCurRight;
4390                vf.bottom = mCurBottom;
4391            } else {
4392                vf.set(cf);
4393            }
4394        } else if (win == mStatusBar) {
4395            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4396            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4397            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
4398            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight + mUnrestrictedScreenTop;
4399            cf.left = vf.left = mStableLeft;
4400            cf.top = vf.top = mStableTop;
4401            cf.right = vf.right = mStableRight;
4402            vf.bottom = mStableBottom;
4403
4404            if (adjust == SOFT_INPUT_ADJUST_RESIZE) {
4405                cf.bottom = mContentBottom;
4406            } else {
4407                cf.bottom = mDockBottom;
4408                vf.bottom = mContentBottom;
4409            }
4410        } else {
4411
4412            // Default policy decor for the default display
4413            dcf.left = mSystemLeft;
4414            dcf.top = mSystemTop;
4415            dcf.right = mSystemRight;
4416            dcf.bottom = mSystemBottom;
4417            final boolean inheritTranslucentDecor = (attrs.privateFlags
4418                    & WindowManager.LayoutParams.PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR) != 0;
4419            final boolean isAppWindow =
4420                    attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW &&
4421                    attrs.type <= WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
4422            final boolean topAtRest =
4423                    win == mTopFullscreenOpaqueWindowState && !win.isAnimatingLw();
4424            if (isAppWindow && !inheritTranslucentDecor && !topAtRest) {
4425                if ((sysUiFl & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0
4426                        && (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) == 0
4427                        && (fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) == 0
4428                        && (fl & WindowManager.LayoutParams.
4429                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0
4430                        && (pfl & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND) == 0) {
4431                    // Ensure policy decor includes status bar
4432                    dcf.top = mStableTop;
4433                }
4434                if ((fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) == 0
4435                        && (sysUiFl & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0
4436                        && (fl & WindowManager.LayoutParams.
4437                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
4438                    // Ensure policy decor includes navigation bar
4439                    dcf.bottom = mStableBottom;
4440                    dcf.right = mStableRight;
4441                }
4442            }
4443
4444            if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
4445                    == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
4446                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle()
4447                            + "): IN_SCREEN, INSET_DECOR");
4448                // This is the case for a normal activity window: we want it
4449                // to cover all of the screen space, and it can take care of
4450                // moving its contents to account for screen decorations that
4451                // intrude into that space.
4452                if (attached != null) {
4453                    // If this window is attached to another, our display
4454                    // frame is the same as the one we are attached to.
4455                    setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4456                } else {
4457                    if (attrs.type == TYPE_STATUS_BAR_PANEL
4458                            || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
4459                        // Status bar panels are the only windows who can go on top of
4460                        // the status bar.  They are protected by the STATUS_BAR_SERVICE
4461                        // permission, so they have the same privileges as the status
4462                        // bar itself.
4463                        //
4464                        // However, they should still dodge the navigation bar if it exists.
4465
4466                        pf.left = df.left = of.left = hasNavBar
4467                                ? mDockLeft : mUnrestrictedScreenLeft;
4468                        pf.top = df.top = of.top = mUnrestrictedScreenTop;
4469                        pf.right = df.right = of.right = hasNavBar
4470                                ? mRestrictedScreenLeft+mRestrictedScreenWidth
4471                                : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4472                        pf.bottom = df.bottom = of.bottom = hasNavBar
4473                                ? mRestrictedScreenTop+mRestrictedScreenHeight
4474                                : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4475
4476                        if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4477                                        "Laying out status bar window: (%d,%d - %d,%d)",
4478                                        pf.left, pf.top, pf.right, pf.bottom));
4479                    } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4480                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4481                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4482                        // Asking to layout into the overscan region, so give it that pure
4483                        // unrestricted area.
4484                        pf.left = df.left = of.left = mOverscanScreenLeft;
4485                        pf.top = df.top = of.top = mOverscanScreenTop;
4486                        pf.right = df.right = of.right = mOverscanScreenLeft + mOverscanScreenWidth;
4487                        pf.bottom = df.bottom = of.bottom = mOverscanScreenTop
4488                                + mOverscanScreenHeight;
4489                    } else if (canHideNavigationBar()
4490                            && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4491                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4492                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4493                        // Asking for layout as if the nav bar is hidden, lets the
4494                        // application extend into the unrestricted overscan screen area.  We
4495                        // only do this for application windows to ensure no window that
4496                        // can be above the nav bar can do this.
4497                        pf.left = df.left = mOverscanScreenLeft;
4498                        pf.top = df.top = mOverscanScreenTop;
4499                        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4500                        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4501                        // We need to tell the app about where the frame inside the overscan
4502                        // is, so it can inset its content by that amount -- it didn't ask
4503                        // to actually extend itself into the overscan region.
4504                        of.left = mUnrestrictedScreenLeft;
4505                        of.top = mUnrestrictedScreenTop;
4506                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4507                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4508                    } else {
4509                        pf.left = df.left = mRestrictedOverscanScreenLeft;
4510                        pf.top = df.top = mRestrictedOverscanScreenTop;
4511                        pf.right = df.right = mRestrictedOverscanScreenLeft
4512                                + mRestrictedOverscanScreenWidth;
4513                        pf.bottom = df.bottom = mRestrictedOverscanScreenTop
4514                                + mRestrictedOverscanScreenHeight;
4515                        // We need to tell the app about where the frame inside the overscan
4516                        // is, so it can inset its content by that amount -- it didn't ask
4517                        // to actually extend itself into the overscan region.
4518                        of.left = mUnrestrictedScreenLeft;
4519                        of.top = mUnrestrictedScreenTop;
4520                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4521                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4522                    }
4523
4524                    if ((fl & FLAG_FULLSCREEN) == 0) {
4525                        if (win.isVoiceInteraction()) {
4526                            cf.left = mVoiceContentLeft;
4527                            cf.top = mVoiceContentTop;
4528                            cf.right = mVoiceContentRight;
4529                            cf.bottom = mVoiceContentBottom;
4530                        } else {
4531                            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4532                                cf.left = mDockLeft;
4533                                cf.top = mDockTop;
4534                                cf.right = mDockRight;
4535                                cf.bottom = mDockBottom;
4536                            } else {
4537                                cf.left = mContentLeft;
4538                                cf.top = mContentTop;
4539                                cf.right = mContentRight;
4540                                cf.bottom = mContentBottom;
4541                            }
4542                        }
4543                    } else {
4544                        // Full screen windows are always given a layout that is as if the
4545                        // status bar and other transient decors are gone.  This is to avoid
4546                        // bad states when moving from a window that is not hding the
4547                        // status bar to one that is.
4548                        cf.left = mRestrictedScreenLeft;
4549                        cf.top = mRestrictedScreenTop;
4550                        cf.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
4551                        cf.bottom = mRestrictedScreenTop + mRestrictedScreenHeight;
4552                    }
4553                    applyStableConstraints(sysUiFl, fl, cf);
4554                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4555                        vf.left = mCurLeft;
4556                        vf.top = mCurTop;
4557                        vf.right = mCurRight;
4558                        vf.bottom = mCurBottom;
4559                    } else {
4560                        vf.set(cf);
4561                    }
4562                }
4563            } else if ((fl & FLAG_LAYOUT_IN_SCREEN) != 0 || (sysUiFl
4564                    & (View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
4565                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION)) != 0) {
4566                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4567                        "): IN_SCREEN");
4568                // A window that has requested to fill the entire screen just
4569                // gets everything, period.
4570                if (attrs.type == TYPE_STATUS_BAR_PANEL
4571                        || attrs.type == TYPE_STATUS_BAR_SUB_PANEL
4572                        || attrs.type == TYPE_VOLUME_OVERLAY) {
4573                    pf.left = df.left = of.left = cf.left = hasNavBar
4574                            ? mDockLeft : mUnrestrictedScreenLeft;
4575                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4576                    pf.right = df.right = of.right = cf.right = hasNavBar
4577                                        ? mRestrictedScreenLeft+mRestrictedScreenWidth
4578                                        : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4579                    pf.bottom = df.bottom = of.bottom = cf.bottom = hasNavBar
4580                                          ? mRestrictedScreenTop+mRestrictedScreenHeight
4581                                          : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4582                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4583                                    "Laying out IN_SCREEN status bar window: (%d,%d - %d,%d)",
4584                                    pf.left, pf.top, pf.right, pf.bottom));
4585                } else if (attrs.type == TYPE_NAVIGATION_BAR
4586                        || attrs.type == TYPE_NAVIGATION_BAR_PANEL) {
4587                    // The navigation bar has Real Ultimate Power.
4588                    pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4589                    pf.top = df.top = of.top = mUnrestrictedScreenTop;
4590                    pf.right = df.right = of.right = mUnrestrictedScreenLeft
4591                            + mUnrestrictedScreenWidth;
4592                    pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop
4593                            + mUnrestrictedScreenHeight;
4594                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4595                                    "Laying out navigation bar window: (%d,%d - %d,%d)",
4596                                    pf.left, pf.top, pf.right, pf.bottom));
4597                } else if ((attrs.type == TYPE_SECURE_SYSTEM_OVERLAY
4598                                || attrs.type == TYPE_BOOT_PROGRESS
4599                                || attrs.type == TYPE_SCREENSHOT)
4600                        && ((fl & FLAG_FULLSCREEN) != 0)) {
4601                    // Fullscreen secure system overlays get what they ask for. Screenshot region
4602                    // selection overlay should also expand to full screen.
4603                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4604                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4605                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4606                            + mOverscanScreenWidth;
4607                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4608                            + mOverscanScreenHeight;
4609                } else if (attrs.type == TYPE_BOOT_PROGRESS) {
4610                    // Boot progress screen always covers entire display.
4611                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4612                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4613                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4614                            + mOverscanScreenWidth;
4615                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4616                            + mOverscanScreenHeight;
4617                } else if (attrs.type == TYPE_WALLPAPER) {
4618                    // The wallpaper also has Real Ultimate Power, but we want to tell
4619                    // it about the overscan area.
4620                    pf.left = df.left = mOverscanScreenLeft;
4621                    pf.top = df.top = mOverscanScreenTop;
4622                    pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4623                    pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4624                    of.left = cf.left = mUnrestrictedScreenLeft;
4625                    of.top = cf.top = mUnrestrictedScreenTop;
4626                    of.right = cf.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4627                    of.bottom = cf.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4628                } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4629                        && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4630                        && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4631                    // Asking to layout into the overscan region, so give it that pure
4632                    // unrestricted area.
4633                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4634                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4635                    pf.right = df.right = of.right = cf.right
4636                            = mOverscanScreenLeft + mOverscanScreenWidth;
4637                    pf.bottom = df.bottom = of.bottom = cf.bottom
4638                            = mOverscanScreenTop + mOverscanScreenHeight;
4639                } else if (canHideNavigationBar()
4640                        && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4641                        && (attrs.type == TYPE_STATUS_BAR
4642                            || attrs.type == TYPE_TOAST
4643                            || attrs.type == TYPE_DOCK_DIVIDER
4644                            || attrs.type == TYPE_VOICE_INTERACTION_STARTING
4645                            || (attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4646                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW))) {
4647                    // Asking for layout as if the nav bar is hidden, lets the
4648                    // application extend into the unrestricted screen area.  We
4649                    // only do this for application windows (or toasts) to ensure no window that
4650                    // can be above the nav bar can do this.
4651                    // XXX This assumes that an app asking for this will also
4652                    // ask for layout in only content.  We can't currently figure out
4653                    // what the screen would be if only laying out to hide the nav bar.
4654                    pf.left = df.left = of.left = cf.left = mUnrestrictedScreenLeft;
4655                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4656                    pf.right = df.right = of.right = cf.right = mUnrestrictedScreenLeft
4657                            + mUnrestrictedScreenWidth;
4658                    pf.bottom = df.bottom = of.bottom = cf.bottom = mUnrestrictedScreenTop
4659                            + mUnrestrictedScreenHeight;
4660                } else if ((sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN) != 0) {
4661                    pf.left = df.left = of.left = mRestrictedScreenLeft;
4662                    pf.top = df.top = of.top  = mRestrictedScreenTop;
4663                    pf.right = df.right = of.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
4664                    pf.bottom = df.bottom = of.bottom = mRestrictedScreenTop
4665                            + mRestrictedScreenHeight;
4666                    if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4667                        cf.left = mDockLeft;
4668                        cf.top = mDockTop;
4669                        cf.right = mDockRight;
4670                        cf.bottom = mDockBottom;
4671                    } else {
4672                        cf.left = mContentLeft;
4673                        cf.top = mContentTop;
4674                        cf.right = mContentRight;
4675                        cf.bottom = mContentBottom;
4676                    }
4677                } else {
4678                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4679                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4680                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4681                            + mRestrictedScreenWidth;
4682                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4683                            + mRestrictedScreenHeight;
4684                }
4685
4686                applyStableConstraints(sysUiFl, fl, cf);
4687
4688                if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4689                    vf.left = mCurLeft;
4690                    vf.top = mCurTop;
4691                    vf.right = mCurRight;
4692                    vf.bottom = mCurBottom;
4693                } else {
4694                    vf.set(cf);
4695                }
4696            } else if (attached != null) {
4697                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4698                        "): attached to " + attached);
4699                // A child window should be placed inside of the same visible
4700                // frame that its parent had.
4701                setAttachedWindowFrames(win, fl, adjust, attached, false, pf, df, of, cf, vf);
4702            } else {
4703                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4704                        "): normal window");
4705                // Otherwise, a normal window must be placed inside the content
4706                // of all screen decorations.
4707                if (attrs.type == TYPE_STATUS_BAR_PANEL || attrs.type == TYPE_VOLUME_OVERLAY) {
4708                    // Status bar panels and the volume dialog are the only windows who can go on
4709                    // top of the status bar.  They are protected by the STATUS_BAR_SERVICE
4710                    // permission, so they have the same privileges as the status
4711                    // bar itself.
4712                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4713                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4714                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4715                            + mRestrictedScreenWidth;
4716                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4717                            + mRestrictedScreenHeight;
4718                } else if (attrs.type == TYPE_TOAST || attrs.type == TYPE_SYSTEM_ALERT) {
4719                    // These dialogs are stable to interim decor changes.
4720                    pf.left = df.left = of.left = cf.left = mStableLeft;
4721                    pf.top = df.top = of.top = cf.top = mStableTop;
4722                    pf.right = df.right = of.right = cf.right = mStableRight;
4723                    pf.bottom = df.bottom = of.bottom = cf.bottom = mStableBottom;
4724                } else {
4725                    pf.left = mContentLeft;
4726                    pf.top = mContentTop;
4727                    pf.right = mContentRight;
4728                    pf.bottom = mContentBottom;
4729                    if (win.isVoiceInteraction()) {
4730                        df.left = of.left = cf.left = mVoiceContentLeft;
4731                        df.top = of.top = cf.top = mVoiceContentTop;
4732                        df.right = of.right = cf.right = mVoiceContentRight;
4733                        df.bottom = of.bottom = cf.bottom = mVoiceContentBottom;
4734                    } else if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4735                        df.left = of.left = cf.left = mDockLeft;
4736                        df.top = of.top = cf.top = mDockTop;
4737                        df.right = of.right = cf.right = mDockRight;
4738                        df.bottom = of.bottom = cf.bottom = mDockBottom;
4739                    } else {
4740                        df.left = of.left = cf.left = mContentLeft;
4741                        df.top = of.top = cf.top = mContentTop;
4742                        df.right = of.right = cf.right = mContentRight;
4743                        df.bottom = of.bottom = cf.bottom = mContentBottom;
4744                    }
4745                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4746                        vf.left = mCurLeft;
4747                        vf.top = mCurTop;
4748                        vf.right = mCurRight;
4749                        vf.bottom = mCurBottom;
4750                    } else {
4751                        vf.set(cf);
4752                    }
4753                }
4754            }
4755        }
4756
4757        // TYPE_SYSTEM_ERROR is above the NavigationBar so it can't be allowed to extend over it.
4758        // Also, we don't allow windows in multi-window mode to extend out of the screen.
4759        if ((fl & FLAG_LAYOUT_NO_LIMITS) != 0 && attrs.type != TYPE_SYSTEM_ERROR
4760                && !win.isInMultiWindowMode()) {
4761            df.left = df.top = -10000;
4762            df.right = df.bottom = 10000;
4763            if (attrs.type != TYPE_WALLPAPER) {
4764                of.left = of.top = cf.left = cf.top = vf.left = vf.top = -10000;
4765                of.right = of.bottom = cf.right = cf.bottom = vf.right = vf.bottom = 10000;
4766            }
4767        }
4768
4769        // If the device has a chin (e.g. some watches), a dead area at the bottom of the screen we
4770        // need to provide information to the clients that want to pretend that you can draw there.
4771        // We only want to apply outsets to certain types of windows. For example, we never want to
4772        // apply the outsets to floating dialogs, because they wouldn't make sense there.
4773        final boolean useOutsets = shouldUseOutsets(attrs, fl);
4774        if (isDefaultDisplay && useOutsets) {
4775            osf = mTmpOutsetFrame;
4776            osf.set(cf.left, cf.top, cf.right, cf.bottom);
4777            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
4778            if (outset > 0) {
4779                int rotation = mDisplayRotation;
4780                if (rotation == Surface.ROTATION_0) {
4781                    osf.bottom += outset;
4782                } else if (rotation == Surface.ROTATION_90) {
4783                    osf.right += outset;
4784                } else if (rotation == Surface.ROTATION_180) {
4785                    osf.top -= outset;
4786                } else if (rotation == Surface.ROTATION_270) {
4787                    osf.left -= outset;
4788                }
4789                if (DEBUG_LAYOUT) Slog.v(TAG, "applying bottom outset of " + outset
4790                        + " with rotation " + rotation + ", result: " + osf);
4791            }
4792        }
4793
4794        if (DEBUG_LAYOUT) Slog.v(TAG, "Compute frame " + attrs.getTitle()
4795                + ": sim=#" + Integer.toHexString(sim)
4796                + " attach=" + attached + " type=" + attrs.type
4797                + String.format(" flags=0x%08x", fl)
4798                + " pf=" + pf.toShortString() + " df=" + df.toShortString()
4799                + " of=" + of.toShortString()
4800                + " cf=" + cf.toShortString() + " vf=" + vf.toShortString()
4801                + " dcf=" + dcf.toShortString()
4802                + " sf=" + sf.toShortString()
4803                + " osf=" + (osf == null ? "null" : osf.toShortString()));
4804
4805        win.computeFrameLw(pf, df, of, cf, vf, dcf, sf, osf);
4806
4807        // Dock windows carve out the bottom of the screen, so normal windows
4808        // can't appear underneath them.
4809        if (attrs.type == TYPE_INPUT_METHOD && win.isVisibleOrBehindKeyguardLw()
4810                && win.isDisplayedLw() && !win.getGivenInsetsPendingLw()) {
4811            setLastInputMethodWindowLw(null, null);
4812            offsetInputMethodWindowLw(win);
4813        }
4814        if (attrs.type == TYPE_VOICE_INTERACTION && win.isVisibleOrBehindKeyguardLw()
4815                && !win.getGivenInsetsPendingLw()) {
4816            offsetVoiceInputWindowLw(win);
4817        }
4818    }
4819
4820    private void offsetInputMethodWindowLw(WindowState win) {
4821        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4822        top += win.getGivenContentInsetsLw().top;
4823        if (mContentBottom > top) {
4824            mContentBottom = top;
4825        }
4826        if (mVoiceContentBottom > top) {
4827            mVoiceContentBottom = top;
4828        }
4829        top = win.getVisibleFrameLw().top;
4830        top += win.getGivenVisibleInsetsLw().top;
4831        if (mCurBottom > top) {
4832            mCurBottom = top;
4833        }
4834        if (DEBUG_LAYOUT) Slog.v(TAG, "Input method: mDockBottom="
4835                + mDockBottom + " mContentBottom="
4836                + mContentBottom + " mCurBottom=" + mCurBottom);
4837    }
4838
4839    private void offsetVoiceInputWindowLw(WindowState win) {
4840        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4841        top += win.getGivenContentInsetsLw().top;
4842        if (mVoiceContentBottom > top) {
4843            mVoiceContentBottom = top;
4844        }
4845    }
4846
4847    /** {@inheritDoc} */
4848    @Override
4849    public void finishLayoutLw() {
4850        return;
4851    }
4852
4853    /** {@inheritDoc} */
4854    @Override
4855    public void beginPostLayoutPolicyLw(int displayWidth, int displayHeight) {
4856        mTopFullscreenOpaqueWindowState = null;
4857        mTopFullscreenOpaqueOrDimmingWindowState = null;
4858        mTopDockedOpaqueWindowState = null;
4859        mTopDockedOpaqueOrDimmingWindowState = null;
4860        mAppsToBeHidden.clear();
4861        mAppsThatDismissKeyguard.clear();
4862        mForceStatusBar = false;
4863        mForceStatusBarFromKeyguard = false;
4864        mForceStatusBarTransparent = false;
4865        mForcingShowNavBar = false;
4866        mForcingShowNavBarLayer = -1;
4867
4868        mHideLockScreen = false;
4869        mAllowLockscreenWhenOn = false;
4870        mDismissKeyguard = DISMISS_KEYGUARD_NONE;
4871        mShowingLockscreen = false;
4872        mShowingDream = false;
4873        mWinShowWhenLocked = null;
4874        mKeyguardSecure = isKeyguardSecure(mCurrentUserId);
4875        mKeyguardSecureIncludingHidden = mKeyguardSecure
4876                && (mKeyguardDelegate != null && mKeyguardDelegate.isShowing());
4877    }
4878
4879    /** {@inheritDoc} */
4880    @Override
4881    public void applyPostLayoutPolicyLw(WindowState win, WindowManager.LayoutParams attrs,
4882            WindowState attached) {
4883        if (DEBUG_LAYOUT) Slog.i(TAG, "Win " + win + ": isVisibleOrBehindKeyguardLw="
4884                + win.isVisibleOrBehindKeyguardLw());
4885        final int fl = PolicyControl.getWindowFlags(win, attrs);
4886        if (mTopFullscreenOpaqueWindowState == null
4887                && win.isVisibleLw() && attrs.type == TYPE_INPUT_METHOD) {
4888            mForcingShowNavBar = true;
4889            mForcingShowNavBarLayer = win.getSurfaceLayer();
4890        }
4891        if (attrs.type == TYPE_STATUS_BAR) {
4892            if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4893                mForceStatusBarFromKeyguard = true;
4894                mShowingLockscreen = true;
4895            }
4896            if ((attrs.privateFlags & PRIVATE_FLAG_FORCE_STATUS_BAR_VISIBLE_TRANSPARENT) != 0) {
4897                mForceStatusBarTransparent = true;
4898            }
4899        }
4900
4901        boolean appWindow = attrs.type >= FIRST_APPLICATION_WINDOW
4902                && attrs.type < FIRST_SYSTEM_WINDOW;
4903        final boolean showWhenLocked = (fl & FLAG_SHOW_WHEN_LOCKED) != 0;
4904        final boolean dismissKeyguard = (fl & FLAG_DISMISS_KEYGUARD) != 0;
4905        final int stackId = win.getStackId();
4906        if (mTopFullscreenOpaqueWindowState == null &&
4907                win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()) {
4908            if ((fl & FLAG_FORCE_NOT_FULLSCREEN) != 0) {
4909                if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4910                    mForceStatusBarFromKeyguard = true;
4911                } else {
4912                    mForceStatusBar = true;
4913                }
4914            }
4915            if (attrs.type == TYPE_DREAM) {
4916                // If the lockscreen was showing when the dream started then wait
4917                // for the dream to draw before hiding the lockscreen.
4918                if (!mDreamingLockscreen
4919                        || (win.isVisibleLw() && win.hasDrawnLw())) {
4920                    mShowingDream = true;
4921                    appWindow = true;
4922                }
4923            }
4924
4925            final IApplicationToken appToken = win.getAppToken();
4926
4927            // For app windows that are not attached, we decide if all windows in the app they
4928            // represent should be hidden or if we should hide the lockscreen. For attached app
4929            // windows we defer the decision to the window it is attached to.
4930            if (appWindow && attached == null) {
4931                if (showWhenLocked) {
4932                    // Remove any previous windows with the same appToken.
4933                    mAppsToBeHidden.remove(appToken);
4934                    mAppsThatDismissKeyguard.remove(appToken);
4935                    if (mAppsToBeHidden.isEmpty()) {
4936                        if (dismissKeyguard && !mKeyguardSecure) {
4937                            mAppsThatDismissKeyguard.add(appToken);
4938                        } else if (win.isDrawnLw() || win.hasAppShownWindows()) {
4939                            mWinShowWhenLocked = win;
4940                            mHideLockScreen = true;
4941                            mForceStatusBarFromKeyguard = false;
4942                        }
4943                    }
4944                } else if (dismissKeyguard) {
4945                    if (mKeyguardSecure) {
4946                        mAppsToBeHidden.add(appToken);
4947                    } else {
4948                        mAppsToBeHidden.remove(appToken);
4949                    }
4950                    mAppsThatDismissKeyguard.add(appToken);
4951                } else {
4952                    mAppsToBeHidden.add(appToken);
4953                }
4954                if (isFullscreen(attrs) && StackId.normallyFullscreenWindows(stackId)) {
4955                    if (DEBUG_LAYOUT) Slog.v(TAG, "Fullscreen window: " + win);
4956                    mTopFullscreenOpaqueWindowState = win;
4957                    if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
4958                        mTopFullscreenOpaqueOrDimmingWindowState = win;
4959                    }
4960                    if (!mAppsThatDismissKeyguard.isEmpty() &&
4961                            mDismissKeyguard == DISMISS_KEYGUARD_NONE) {
4962                        if (DEBUG_LAYOUT) Slog.v(TAG,
4963                                "Setting mDismissKeyguard true by win " + win);
4964                        mDismissKeyguard = (mWinDismissingKeyguard == win
4965                                && mSecureDismissingKeyguard == mKeyguardSecure)
4966                                ? DISMISS_KEYGUARD_CONTINUE : DISMISS_KEYGUARD_START;
4967                        mWinDismissingKeyguard = win;
4968                        mSecureDismissingKeyguard = mKeyguardSecure;
4969                        mForceStatusBarFromKeyguard = mShowingLockscreen && mKeyguardSecure;
4970                    } else if (mAppsToBeHidden.isEmpty() && showWhenLocked
4971                            && (win.isDrawnLw() || win.hasAppShownWindows())) {
4972                        if (DEBUG_LAYOUT) Slog.v(TAG,
4973                                "Setting mHideLockScreen to true by win " + win);
4974                        mHideLockScreen = true;
4975                        mForceStatusBarFromKeyguard = false;
4976                    }
4977                    if ((fl & FLAG_ALLOW_LOCK_WHILE_SCREEN_ON) != 0) {
4978                        mAllowLockscreenWhenOn = true;
4979                    }
4980                }
4981
4982                if (!mKeyguardHidden && mWinShowWhenLocked != null &&
4983                        mWinShowWhenLocked.getAppToken() != win.getAppToken() &&
4984                        (attrs.flags & FLAG_SHOW_WHEN_LOCKED) == 0) {
4985                    win.hideLw(false);
4986                }
4987            }
4988        } else if (mTopFullscreenOpaqueWindowState == null && mWinShowWhenLocked == null) {
4989            // No TopFullscreenOpaqueWindow is showing, but we found a SHOW_WHEN_LOCKED window
4990            // that is being hidden in an animation - keep the
4991            // keyguard hidden until the new window shows up and
4992            // we know whether to show the keyguard or not.
4993            if (win.isAnimatingLw() && appWindow && showWhenLocked && mKeyguardHidden) {
4994                mHideLockScreen = true;
4995                mWinShowWhenLocked = win;
4996            }
4997        }
4998
4999        // Keep track of the window if it's dimming but not necessarily fullscreen.
5000        final boolean reallyVisible = win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw();
5001        if (mTopFullscreenOpaqueOrDimmingWindowState == null &&  reallyVisible
5002                && win.isDimming() && StackId.normallyFullscreenWindows(stackId)) {
5003            mTopFullscreenOpaqueOrDimmingWindowState = win;
5004        }
5005
5006        // We need to keep track of the top "fullscreen" opaque window for the docked stack
5007        // separately, because both the "real fullscreen" opaque window and the one for the docked
5008        // stack can control View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR.
5009        if (mTopDockedOpaqueWindowState == null && reallyVisible && appWindow && attached == null
5010                && isFullscreen(attrs) && stackId == DOCKED_STACK_ID) {
5011            mTopDockedOpaqueWindowState = win;
5012            if (mTopDockedOpaqueOrDimmingWindowState == null) {
5013                mTopDockedOpaqueOrDimmingWindowState = win;
5014            }
5015        }
5016
5017        // Also keep track of any windows that are dimming but not necessarily fullscreen in the
5018        // docked stack.
5019        if (mTopDockedOpaqueOrDimmingWindowState == null && reallyVisible && win.isDimming()
5020                && stackId == DOCKED_STACK_ID) {
5021            mTopDockedOpaqueOrDimmingWindowState = win;
5022        }
5023    }
5024
5025    private boolean isFullscreen(WindowManager.LayoutParams attrs) {
5026        return attrs.x == 0 && attrs.y == 0
5027                && attrs.width == WindowManager.LayoutParams.MATCH_PARENT
5028                && attrs.height == WindowManager.LayoutParams.MATCH_PARENT;
5029    }
5030
5031    /** {@inheritDoc} */
5032    @Override
5033    public int finishPostLayoutPolicyLw() {
5034        if (mWinShowWhenLocked != null && mTopFullscreenOpaqueWindowState != null &&
5035                mWinShowWhenLocked.getAppToken() != mTopFullscreenOpaqueWindowState.getAppToken()
5036                && isKeyguardLocked()) {
5037            // A dialog is dismissing the keyguard. Put the wallpaper behind it and hide the
5038            // fullscreen window.
5039            // TODO: Make sure FLAG_SHOW_WALLPAPER is restored when dialog is dismissed. Or not.
5040            mWinShowWhenLocked.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
5041            mTopFullscreenOpaqueWindowState.hideLw(false);
5042            mTopFullscreenOpaqueWindowState = mWinShowWhenLocked;
5043        }
5044
5045        int changes = 0;
5046        boolean topIsFullscreen = false;
5047
5048        final WindowManager.LayoutParams lp = (mTopFullscreenOpaqueWindowState != null)
5049                ? mTopFullscreenOpaqueWindowState.getAttrs()
5050                : null;
5051
5052        // If we are not currently showing a dream then remember the current
5053        // lockscreen state.  We will use this to determine whether the dream
5054        // started while the lockscreen was showing and remember this state
5055        // while the dream is showing.
5056        if (!mShowingDream) {
5057            mDreamingLockscreen = mShowingLockscreen;
5058            if (mDreamingSleepTokenNeeded) {
5059                mDreamingSleepTokenNeeded = false;
5060                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 0, 1).sendToTarget();
5061            }
5062        } else {
5063            if (!mDreamingSleepTokenNeeded) {
5064                mDreamingSleepTokenNeeded = true;
5065                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 1, 1).sendToTarget();
5066            }
5067        }
5068
5069        if (mStatusBar != null) {
5070            if (DEBUG_LAYOUT) Slog.i(TAG, "force=" + mForceStatusBar
5071                    + " forcefkg=" + mForceStatusBarFromKeyguard
5072                    + " top=" + mTopFullscreenOpaqueWindowState);
5073            boolean shouldBeTransparent = mForceStatusBarTransparent
5074                    && !mForceStatusBar
5075                    && !mForceStatusBarFromKeyguard;
5076            if (!shouldBeTransparent) {
5077                mStatusBarController.setShowTransparent(false /* transparent */);
5078            } else if (!mStatusBar.isVisibleLw()) {
5079                mStatusBarController.setShowTransparent(true /* transparent */);
5080            }
5081
5082            WindowManager.LayoutParams statusBarAttrs = mStatusBar.getAttrs();
5083            boolean statusBarExpanded = statusBarAttrs.height == MATCH_PARENT
5084                    && statusBarAttrs.width == MATCH_PARENT;
5085            if (mForceStatusBar || mForceStatusBarFromKeyguard || mForceStatusBarTransparent
5086                    || statusBarExpanded) {
5087                if (DEBUG_LAYOUT) Slog.v(TAG, "Showing status bar: forced");
5088                if (mStatusBarController.setBarShowingLw(true)) {
5089                    changes |= FINISH_LAYOUT_REDO_LAYOUT;
5090                }
5091                // Maintain fullscreen layout until incoming animation is complete.
5092                topIsFullscreen = mTopIsFullscreen && mStatusBar.isAnimatingLw();
5093                // Transient status bar on the lockscreen is not allowed
5094                if (mForceStatusBarFromKeyguard && mStatusBarController.isTransientShowing()) {
5095                    mStatusBarController.updateVisibilityLw(false /*transientAllowed*/,
5096                            mLastSystemUiFlags, mLastSystemUiFlags);
5097                }
5098                if (statusBarExpanded && mNavigationBar != null) {
5099                    if (mNavigationBarController.setBarShowingLw(true)) {
5100                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5101                    }
5102                }
5103            } else if (mTopFullscreenOpaqueWindowState != null) {
5104                final int fl = PolicyControl.getWindowFlags(null, lp);
5105                if (localLOGV) {
5106                    Slog.d(TAG, "frame: " + mTopFullscreenOpaqueWindowState.getFrameLw()
5107                            + " shown position: "
5108                            + mTopFullscreenOpaqueWindowState.getShownPositionLw());
5109                    Slog.d(TAG, "attr: " + mTopFullscreenOpaqueWindowState.getAttrs()
5110                            + " lp.flags=0x" + Integer.toHexString(fl));
5111                }
5112                topIsFullscreen = (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0
5113                        || (mLastSystemUiFlags & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
5114                // The subtle difference between the window for mTopFullscreenOpaqueWindowState
5115                // and mTopIsFullscreen is that mTopIsFullscreen is set only if the window
5116                // has the FLAG_FULLSCREEN set.  Not sure if there is another way that to be the
5117                // case though.
5118                if (mStatusBarController.isTransientShowing()) {
5119                    if (mStatusBarController.setBarShowingLw(true)) {
5120                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5121                    }
5122                } else if (topIsFullscreen
5123                        && !mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID)
5124                        && !mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID)) {
5125                    if (DEBUG_LAYOUT) Slog.v(TAG, "** HIDING status bar");
5126                    if (mStatusBarController.setBarShowingLw(false)) {
5127                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5128                    } else {
5129                        if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar already hiding");
5130                    }
5131                } else {
5132                    if (DEBUG_LAYOUT) Slog.v(TAG, "** SHOWING status bar: top is not fullscreen");
5133                    if (mStatusBarController.setBarShowingLw(true)) {
5134                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5135                    }
5136                }
5137            }
5138        }
5139
5140        if (mTopIsFullscreen != topIsFullscreen) {
5141            if (!topIsFullscreen) {
5142                // Force another layout when status bar becomes fully shown.
5143                changes |= FINISH_LAYOUT_REDO_LAYOUT;
5144            }
5145            mTopIsFullscreen = topIsFullscreen;
5146        }
5147
5148        // Hide the key guard if a visible window explicitly specifies that it wants to be
5149        // displayed when the screen is locked.
5150        if (mKeyguardDelegate != null && mStatusBar != null) {
5151            if (localLOGV) Slog.v(TAG, "finishPostLayoutPolicyLw: mHideKeyguard="
5152                    + mHideLockScreen);
5153            if (mDismissKeyguard != DISMISS_KEYGUARD_NONE && !mKeyguardSecure) {
5154                mKeyguardHidden = true;
5155                if (setKeyguardOccludedLw(true)) {
5156                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5157                            | FINISH_LAYOUT_REDO_CONFIG
5158                            | FINISH_LAYOUT_REDO_WALLPAPER;
5159                }
5160                if (mKeyguardDelegate.isShowing()) {
5161                    mHandler.post(new Runnable() {
5162                        @Override
5163                        public void run() {
5164                            mKeyguardDelegate.keyguardDone(false, false);
5165                        }
5166                    });
5167                }
5168            } else if (mHideLockScreen) {
5169                mKeyguardHidden = true;
5170                mWinDismissingKeyguard = null;
5171                if (setKeyguardOccludedLw(true)) {
5172                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5173                            | FINISH_LAYOUT_REDO_CONFIG
5174                            | FINISH_LAYOUT_REDO_WALLPAPER;
5175                }
5176            } else if (mDismissKeyguard != DISMISS_KEYGUARD_NONE) {
5177                mKeyguardHidden = false;
5178                if (setKeyguardOccludedLw(false)) {
5179                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5180                            | FINISH_LAYOUT_REDO_CONFIG
5181                            | FINISH_LAYOUT_REDO_WALLPAPER;
5182                }
5183                if (mDismissKeyguard == DISMISS_KEYGUARD_START) {
5184                    // Only launch the next keyguard unlock window once per window.
5185                    mHandler.post(new Runnable() {
5186                        @Override
5187                        public void run() {
5188                            mKeyguardDelegate.dismiss();
5189                        }
5190                    });
5191                }
5192            } else {
5193                mWinDismissingKeyguard = null;
5194                mSecureDismissingKeyguard = false;
5195                mKeyguardHidden = false;
5196                if (setKeyguardOccludedLw(false)) {
5197                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5198                            | FINISH_LAYOUT_REDO_CONFIG
5199                            | FINISH_LAYOUT_REDO_WALLPAPER;
5200                }
5201            }
5202        }
5203
5204        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
5205            // If the navigation bar has been hidden or shown, we need to do another
5206            // layout pass to update that window.
5207            changes |= FINISH_LAYOUT_REDO_LAYOUT;
5208        }
5209
5210        // update since mAllowLockscreenWhenOn might have changed
5211        updateLockScreenTimeout();
5212        return changes;
5213    }
5214
5215    /**
5216     * Updates the occluded state of the Keyguard.
5217     *
5218     * @return Whether the flags have changed and we have to redo the layout.
5219     */
5220    private boolean setKeyguardOccludedLw(boolean isOccluded) {
5221        boolean wasOccluded = mKeyguardOccluded;
5222        boolean showing = mKeyguardDelegate.isShowing();
5223        if (wasOccluded && !isOccluded && showing) {
5224            mKeyguardOccluded = false;
5225            mKeyguardDelegate.setOccluded(false);
5226            mStatusBar.getAttrs().privateFlags |= PRIVATE_FLAG_KEYGUARD;
5227            return true;
5228        } else if (!wasOccluded && isOccluded && showing) {
5229            mKeyguardOccluded = true;
5230            mKeyguardDelegate.setOccluded(true);
5231            mStatusBar.getAttrs().privateFlags &= ~PRIVATE_FLAG_KEYGUARD;
5232            mStatusBar.getAttrs().flags &= ~FLAG_SHOW_WALLPAPER;
5233            return true;
5234        } else {
5235            return false;
5236        }
5237    }
5238
5239    private boolean isStatusBarKeyguard() {
5240        return mStatusBar != null
5241                && (mStatusBar.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
5242    }
5243
5244    @Override
5245    public boolean allowAppAnimationsLw() {
5246        if (isStatusBarKeyguard() || mShowingDream) {
5247            // If keyguard or dreams is currently visible, no reason to animate behind it.
5248            return false;
5249        }
5250        return true;
5251    }
5252
5253    @Override
5254    public int focusChangedLw(WindowState lastFocus, WindowState newFocus) {
5255        mFocusedWindow = newFocus;
5256        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
5257            // If the navigation bar has been hidden or shown, we need to do another
5258            // layout pass to update that window.
5259            return FINISH_LAYOUT_REDO_LAYOUT;
5260        }
5261        return 0;
5262    }
5263
5264    /** {@inheritDoc} */
5265    @Override
5266    public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
5267        // lid changed state
5268        final int newLidState = lidOpen ? LID_OPEN : LID_CLOSED;
5269        if (newLidState == mLidState) {
5270            return;
5271        }
5272
5273        mLidState = newLidState;
5274        applyLidSwitchState();
5275        updateRotation(true);
5276
5277        if (lidOpen) {
5278            wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromLidSwitch,
5279                    "android.policy:LID");
5280        } else if (!mLidControlsSleep) {
5281            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
5282        }
5283    }
5284
5285    @Override
5286    public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) {
5287        int lensCoverState = lensCovered ? CAMERA_LENS_COVERED : CAMERA_LENS_UNCOVERED;
5288        if (mCameraLensCoverState == lensCoverState) {
5289            return;
5290        }
5291        if (mCameraLensCoverState == CAMERA_LENS_COVERED &&
5292                lensCoverState == CAMERA_LENS_UNCOVERED) {
5293            Intent intent;
5294            final boolean keyguardActive = mKeyguardDelegate == null ? false :
5295                    mKeyguardDelegate.isShowing();
5296            if (keyguardActive) {
5297                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);
5298            } else {
5299                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
5300            }
5301            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromCameraLens,
5302                    "android.policy:CAMERA_COVER");
5303            startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
5304        }
5305        mCameraLensCoverState = lensCoverState;
5306    }
5307
5308    void setHdmiPlugged(boolean plugged) {
5309        if (mHdmiPlugged != plugged) {
5310            mHdmiPlugged = plugged;
5311            updateRotation(true, true);
5312            Intent intent = new Intent(ACTION_HDMI_PLUGGED);
5313            intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
5314            intent.putExtra(EXTRA_HDMI_PLUGGED_STATE, plugged);
5315            mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
5316        }
5317    }
5318
5319    void initializeHdmiState() {
5320        boolean plugged = false;
5321        // watch for HDMI plug messages if the hdmi switch exists
5322        if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
5323            mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
5324
5325            final String filename = "/sys/class/switch/hdmi/state";
5326            FileReader reader = null;
5327            try {
5328                reader = new FileReader(filename);
5329                char[] buf = new char[15];
5330                int n = reader.read(buf);
5331                if (n > 1) {
5332                    plugged = 0 != Integer.parseInt(new String(buf, 0, n-1));
5333                }
5334            } catch (IOException ex) {
5335                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
5336            } catch (NumberFormatException ex) {
5337                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
5338            } finally {
5339                if (reader != null) {
5340                    try {
5341                        reader.close();
5342                    } catch (IOException ex) {
5343                    }
5344                }
5345            }
5346        }
5347        // This dance forces the code in setHdmiPlugged to run.
5348        // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
5349        mHdmiPlugged = !plugged;
5350        setHdmiPlugged(!mHdmiPlugged);
5351    }
5352
5353    final Object mScreenshotLock = new Object();
5354    ServiceConnection mScreenshotConnection = null;
5355
5356    final Runnable mScreenshotTimeout = new Runnable() {
5357        @Override public void run() {
5358            synchronized (mScreenshotLock) {
5359                if (mScreenshotConnection != null) {
5360                    mContext.unbindService(mScreenshotConnection);
5361                    mScreenshotConnection = null;
5362                    notifyScreenshotError();
5363                }
5364            }
5365        }
5366    };
5367
5368    // Assume this is called from the Handler thread.
5369    private void takeScreenshot(final int screenshotType) {
5370        synchronized (mScreenshotLock) {
5371            if (mScreenshotConnection != null) {
5372                return;
5373            }
5374            final ComponentName serviceComponent = new ComponentName(SYSUI_PACKAGE,
5375                    SYSUI_SCREENSHOT_SERVICE);
5376            final Intent serviceIntent = new Intent();
5377            serviceIntent.setComponent(serviceComponent);
5378            ServiceConnection conn = new ServiceConnection() {
5379                @Override
5380                public void onServiceConnected(ComponentName name, IBinder service) {
5381                    synchronized (mScreenshotLock) {
5382                        if (mScreenshotConnection != this) {
5383                            return;
5384                        }
5385                        Messenger messenger = new Messenger(service);
5386                        Message msg = Message.obtain(null, screenshotType);
5387                        final ServiceConnection myConn = this;
5388                        Handler h = new Handler(mHandler.getLooper()) {
5389                            @Override
5390                            public void handleMessage(Message msg) {
5391                                synchronized (mScreenshotLock) {
5392                                    if (mScreenshotConnection == myConn) {
5393                                        mContext.unbindService(mScreenshotConnection);
5394                                        mScreenshotConnection = null;
5395                                        mHandler.removeCallbacks(mScreenshotTimeout);
5396                                    }
5397                                }
5398                            }
5399                        };
5400                        msg.replyTo = new Messenger(h);
5401                        msg.arg1 = msg.arg2 = 0;
5402                        if (mStatusBar != null && mStatusBar.isVisibleLw())
5403                            msg.arg1 = 1;
5404                        if (mNavigationBar != null && mNavigationBar.isVisibleLw())
5405                            msg.arg2 = 1;
5406                        try {
5407                            messenger.send(msg);
5408                        } catch (RemoteException e) {
5409                        }
5410                    }
5411                }
5412
5413                @Override
5414                public void onServiceDisconnected(ComponentName name) {
5415                    notifyScreenshotError();
5416                }
5417            };
5418            if (mContext.bindServiceAsUser(serviceIntent, conn,
5419                    Context.BIND_AUTO_CREATE | Context.BIND_FOREGROUND_SERVICE_WHILE_AWAKE,
5420                    UserHandle.CURRENT)) {
5421                mScreenshotConnection = conn;
5422                mHandler.postDelayed(mScreenshotTimeout, 10000);
5423            }
5424        }
5425    }
5426
5427    /**
5428     * Notifies the screenshot service to show an error.
5429     */
5430    private void notifyScreenshotError() {
5431        // If the service process is killed, then ask it to clean up after itself
5432        final ComponentName errorComponent = new ComponentName(SYSUI_PACKAGE,
5433                SYSUI_SCREENSHOT_ERROR_RECEIVER);
5434        Intent errorIntent = new Intent(Intent.ACTION_USER_PRESENT);
5435        errorIntent.setComponent(errorComponent);
5436        errorIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT |
5437                Intent.FLAG_RECEIVER_FOREGROUND);
5438        mContext.sendBroadcastAsUser(errorIntent, UserHandle.CURRENT);
5439    }
5440
5441    /** {@inheritDoc} */
5442    @Override
5443    public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) {
5444        if (!mSystemBooted) {
5445            // If we have not yet booted, don't let key events do anything.
5446            return 0;
5447        }
5448
5449        final boolean interactive = (policyFlags & FLAG_INTERACTIVE) != 0;
5450        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
5451        final boolean canceled = event.isCanceled();
5452        final int keyCode = event.getKeyCode();
5453
5454        final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;
5455
5456        // If screen is off then we treat the case where the keyguard is open but hidden
5457        // the same as if it were open and in front.
5458        // This will prevent any keys other than the power button from waking the screen
5459        // when the keyguard is hidden by another activity.
5460        final boolean keyguardActive = (mKeyguardDelegate == null ? false :
5461                                            (interactive ?
5462                                                isKeyguardShowingAndNotOccluded() :
5463                                                mKeyguardDelegate.isShowing()));
5464
5465        if (DEBUG_INPUT) {
5466            Log.d(TAG, "interceptKeyTq keycode=" + keyCode
5467                    + " interactive=" + interactive + " keyguardActive=" + keyguardActive
5468                    + " policyFlags=" + Integer.toHexString(policyFlags));
5469        }
5470
5471        // Basic policy based on interactive state.
5472        int result;
5473        boolean isWakeKey = (policyFlags & WindowManagerPolicy.FLAG_WAKE) != 0
5474                || event.isWakeKey();
5475        if (interactive || (isInjected && !isWakeKey)) {
5476            // When the device is interactive or the key is injected pass the
5477            // key to the application.
5478            result = ACTION_PASS_TO_USER;
5479            isWakeKey = false;
5480        } else if (!interactive && shouldDispatchInputWhenNonInteractive()) {
5481            // If we're currently dozing with the screen on and the keyguard showing, pass the key
5482            // to the application but preserve its wake key status to make sure we still move
5483            // from dozing to fully interactive if we would normally go from off to fully
5484            // interactive.
5485            result = ACTION_PASS_TO_USER;
5486        } else {
5487            // When the screen is off and the key is not injected, determine whether
5488            // to wake the device but don't pass the key to the application.
5489            result = 0;
5490            if (isWakeKey && (!down || !isWakeKeyWhenScreenOff(keyCode))) {
5491                isWakeKey = false;
5492            }
5493        }
5494
5495        // If the key would be handled globally, just return the result, don't worry about special
5496        // key processing.
5497        if (isValidGlobalKey(keyCode)
5498                && mGlobalKeyManager.shouldHandleGlobalKey(keyCode, event)) {
5499            if (isWakeKey) {
5500                wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5501            }
5502            return result;
5503        }
5504
5505        boolean useHapticFeedback = down
5506                && (policyFlags & WindowManagerPolicy.FLAG_VIRTUAL) != 0
5507                && event.getRepeatCount() == 0;
5508
5509        // Handle special keys.
5510        switch (keyCode) {
5511            case KeyEvent.KEYCODE_BACK: {
5512                if (down) {
5513                    mBackKeyHandled = false;
5514                    if (hasLongPressOnBackBehavior()) {
5515                        Message msg = mHandler.obtainMessage(MSG_BACK_LONG_PRESS);
5516                        msg.setAsynchronous(true);
5517                        mHandler.sendMessageDelayed(msg,
5518                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
5519                    }
5520                } else {
5521                    boolean handled = mBackKeyHandled;
5522
5523                    // Reset back key state
5524                    cancelPendingBackKeyAction();
5525
5526                    // Don't pass back press to app if we've already handled it
5527                    if (handled) {
5528                        result &= ~ACTION_PASS_TO_USER;
5529                    }
5530                }
5531                break;
5532            }
5533
5534            case KeyEvent.KEYCODE_VOLUME_DOWN:
5535            case KeyEvent.KEYCODE_VOLUME_UP:
5536            case KeyEvent.KEYCODE_VOLUME_MUTE: {
5537                if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
5538                    if (down) {
5539                        if (interactive && !mScreenshotChordVolumeDownKeyTriggered
5540                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5541                            mScreenshotChordVolumeDownKeyTriggered = true;
5542                            mScreenshotChordVolumeDownKeyTime = event.getDownTime();
5543                            mScreenshotChordVolumeDownKeyConsumed = false;
5544                            cancelPendingPowerKeyAction();
5545                            interceptScreenshotChord();
5546                        }
5547                    } else {
5548                        mScreenshotChordVolumeDownKeyTriggered = false;
5549                        cancelPendingScreenshotChordAction();
5550                    }
5551                } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
5552                    if (down) {
5553                        if (interactive && !mScreenshotChordVolumeUpKeyTriggered
5554                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5555                            mScreenshotChordVolumeUpKeyTriggered = true;
5556                            cancelPendingPowerKeyAction();
5557                            cancelPendingScreenshotChordAction();
5558                        }
5559                    } else {
5560                        mScreenshotChordVolumeUpKeyTriggered = false;
5561                        cancelPendingScreenshotChordAction();
5562                    }
5563                }
5564                if (down) {
5565                    TelecomManager telecomManager = getTelecommService();
5566                    if (telecomManager != null) {
5567                        if (telecomManager.isRinging()) {
5568                            // If an incoming call is ringing, either VOLUME key means
5569                            // "silence ringer".  We handle these keys here, rather than
5570                            // in the InCallScreen, to make sure we'll respond to them
5571                            // even if the InCallScreen hasn't come to the foreground yet.
5572                            // Look for the DOWN event here, to agree with the "fallback"
5573                            // behavior in the InCallScreen.
5574                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5575                                  + " VOLUME key-down while ringing: Silence ringer!");
5576
5577                            // Silence the ringer.  (It's safe to call this
5578                            // even if the ringer has already been silenced.)
5579                            telecomManager.silenceRinger();
5580
5581                            // And *don't* pass this key thru to the current activity
5582                            // (which is probably the InCallScreen.)
5583                            result &= ~ACTION_PASS_TO_USER;
5584                            break;
5585                        }
5586                        if (telecomManager.isInCall()
5587                                && (result & ACTION_PASS_TO_USER) == 0) {
5588                            // If we are in call but we decided not to pass the key to
5589                            // the application, just pass it to the session service.
5590
5591                            MediaSessionLegacyHelper.getHelper(mContext)
5592                                    .sendVolumeKeyEvent(event, false);
5593                            break;
5594                        }
5595                    }
5596                }
5597                if (mUseTvRouting) {
5598                    // On TVs, defer special key handlings to
5599                    // {@link interceptKeyBeforeDispatching()}.
5600                    result |= ACTION_PASS_TO_USER;
5601                } else if ((result & ACTION_PASS_TO_USER) == 0) {
5602                    // If we aren't passing to the user and no one else
5603                    // handled it send it to the session manager to
5604                    // figure out.
5605                    MediaSessionLegacyHelper.getHelper(mContext)
5606                            .sendVolumeKeyEvent(event, true);
5607                }
5608                break;
5609            }
5610
5611            case KeyEvent.KEYCODE_ENDCALL: {
5612                result &= ~ACTION_PASS_TO_USER;
5613                if (down) {
5614                    TelecomManager telecomManager = getTelecommService();
5615                    boolean hungUp = false;
5616                    if (telecomManager != null) {
5617                        hungUp = telecomManager.endCall();
5618                    }
5619                    if (interactive && !hungUp) {
5620                        mEndCallKeyHandled = false;
5621                        mHandler.postDelayed(mEndCallLongPress,
5622                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
5623                    } else {
5624                        mEndCallKeyHandled = true;
5625                    }
5626                } else {
5627                    if (!mEndCallKeyHandled) {
5628                        mHandler.removeCallbacks(mEndCallLongPress);
5629                        if (!canceled) {
5630                            if ((mEndcallBehavior
5631                                    & Settings.System.END_BUTTON_BEHAVIOR_HOME) != 0) {
5632                                if (goHome()) {
5633                                    break;
5634                                }
5635                            }
5636                            if ((mEndcallBehavior
5637                                    & Settings.System.END_BUTTON_BEHAVIOR_SLEEP) != 0) {
5638                                mPowerManager.goToSleep(event.getEventTime(),
5639                                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
5640                                isWakeKey = false;
5641                            }
5642                        }
5643                    }
5644                }
5645                break;
5646            }
5647
5648            case KeyEvent.KEYCODE_POWER: {
5649                result &= ~ACTION_PASS_TO_USER;
5650                isWakeKey = false; // wake-up will be handled separately
5651                if (down) {
5652                    interceptPowerKeyDown(event, interactive);
5653                } else {
5654                    interceptPowerKeyUp(event, interactive, canceled);
5655                }
5656                break;
5657            }
5658
5659            case KeyEvent.KEYCODE_SLEEP: {
5660                result &= ~ACTION_PASS_TO_USER;
5661                isWakeKey = false;
5662                if (!mPowerManager.isInteractive()) {
5663                    useHapticFeedback = false; // suppress feedback if already non-interactive
5664                }
5665                if (down) {
5666                    sleepPress(event.getEventTime());
5667                } else {
5668                    sleepRelease(event.getEventTime());
5669                }
5670                break;
5671            }
5672
5673            case KeyEvent.KEYCODE_SOFT_SLEEP: {
5674                result &= ~ACTION_PASS_TO_USER;
5675                isWakeKey = false;
5676                if (!down) {
5677                    mPowerManagerInternal.setUserInactiveOverrideFromWindowManager();
5678                }
5679                break;
5680            }
5681
5682            case KeyEvent.KEYCODE_WAKEUP: {
5683                result &= ~ACTION_PASS_TO_USER;
5684                isWakeKey = true;
5685                break;
5686            }
5687
5688            case KeyEvent.KEYCODE_MEDIA_PLAY:
5689            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5690            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5691            case KeyEvent.KEYCODE_HEADSETHOOK:
5692            case KeyEvent.KEYCODE_MUTE:
5693            case KeyEvent.KEYCODE_MEDIA_STOP:
5694            case KeyEvent.KEYCODE_MEDIA_NEXT:
5695            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5696            case KeyEvent.KEYCODE_MEDIA_REWIND:
5697            case KeyEvent.KEYCODE_MEDIA_RECORD:
5698            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5699            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: {
5700                if (MediaSessionLegacyHelper.getHelper(mContext).isGlobalPriorityActive()) {
5701                    // If the global session is active pass all media keys to it
5702                    // instead of the active window.
5703                    result &= ~ACTION_PASS_TO_USER;
5704                }
5705                if ((result & ACTION_PASS_TO_USER) == 0) {
5706                    // Only do this if we would otherwise not pass it to the user. In that
5707                    // case, the PhoneWindow class will do the same thing, except it will
5708                    // only do it if the showing app doesn't process the key on its own.
5709                    // Note that we need to make a copy of the key event here because the
5710                    // original key event will be recycled when we return.
5711                    mBroadcastWakeLock.acquire();
5712                    Message msg = mHandler.obtainMessage(MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK,
5713                            new KeyEvent(event));
5714                    msg.setAsynchronous(true);
5715                    msg.sendToTarget();
5716                }
5717                break;
5718            }
5719
5720            case KeyEvent.KEYCODE_CALL: {
5721                if (down) {
5722                    TelecomManager telecomManager = getTelecommService();
5723                    if (telecomManager != null) {
5724                        if (telecomManager.isRinging()) {
5725                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5726                                  + " CALL key-down while ringing: Answer the call!");
5727                            telecomManager.acceptRingingCall();
5728
5729                            // And *don't* pass this key thru to the current activity
5730                            // (which is presumably the InCallScreen.)
5731                            result &= ~ACTION_PASS_TO_USER;
5732                        }
5733                    }
5734                }
5735                break;
5736            }
5737            case KeyEvent.KEYCODE_VOICE_ASSIST: {
5738                // Only do this if we would otherwise not pass it to the user. In that case,
5739                // interceptKeyBeforeDispatching would apply a similar but different policy in
5740                // order to invoke voice assist actions. Note that we need to make a copy of the
5741                // key event here because the original key event will be recycled when we return.
5742                if ((result & ACTION_PASS_TO_USER) == 0 && !down) {
5743                    mBroadcastWakeLock.acquire();
5744                    Message msg = mHandler.obtainMessage(MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK,
5745                            keyguardActive ? 1 : 0, 0);
5746                    msg.setAsynchronous(true);
5747                    msg.sendToTarget();
5748                }
5749                break;
5750            }
5751            case KeyEvent.KEYCODE_WINDOW: {
5752                if (mShortPressWindowBehavior == SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE) {
5753                    if (mTvPictureInPictureVisible) {
5754                        // Consumes the key only if picture-in-picture is visible
5755                        // to show picture-in-picture control menu.
5756                        // This gives a chance to the foreground activity
5757                        // to customize PIP key behavior.
5758                        if (!down) {
5759                            showTvPictureInPictureMenu(event);
5760                        }
5761                        result &= ~ACTION_PASS_TO_USER;
5762                    }
5763                }
5764                break;
5765            }
5766        }
5767
5768        if (useHapticFeedback) {
5769            performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
5770        }
5771
5772        if (isWakeKey) {
5773            wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5774        }
5775
5776        return result;
5777    }
5778
5779    /**
5780     * Returns true if the key can have global actions attached to it.
5781     * We reserve all power management keys for the system since they require
5782     * very careful handling.
5783     */
5784    private static boolean isValidGlobalKey(int keyCode) {
5785        switch (keyCode) {
5786            case KeyEvent.KEYCODE_POWER:
5787            case KeyEvent.KEYCODE_WAKEUP:
5788            case KeyEvent.KEYCODE_SLEEP:
5789                return false;
5790            default:
5791                return true;
5792        }
5793    }
5794
5795    /**
5796     * When the screen is off we ignore some keys that might otherwise typically
5797     * be considered wake keys.  We filter them out here.
5798     *
5799     * {@link KeyEvent#KEYCODE_POWER} is notably absent from this list because it
5800     * is always considered a wake key.
5801     */
5802    private boolean isWakeKeyWhenScreenOff(int keyCode) {
5803        switch (keyCode) {
5804            // ignore volume keys unless docked
5805            case KeyEvent.KEYCODE_VOLUME_UP:
5806            case KeyEvent.KEYCODE_VOLUME_DOWN:
5807            case KeyEvent.KEYCODE_VOLUME_MUTE:
5808                return mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;
5809
5810            // ignore media and camera keys
5811            case KeyEvent.KEYCODE_MUTE:
5812            case KeyEvent.KEYCODE_HEADSETHOOK:
5813            case KeyEvent.KEYCODE_MEDIA_PLAY:
5814            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5815            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5816            case KeyEvent.KEYCODE_MEDIA_STOP:
5817            case KeyEvent.KEYCODE_MEDIA_NEXT:
5818            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5819            case KeyEvent.KEYCODE_MEDIA_REWIND:
5820            case KeyEvent.KEYCODE_MEDIA_RECORD:
5821            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5822            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK:
5823            case KeyEvent.KEYCODE_CAMERA:
5824                return false;
5825        }
5826        return true;
5827    }
5828
5829
5830    /** {@inheritDoc} */
5831    @Override
5832    public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) {
5833        if ((policyFlags & FLAG_WAKE) != 0) {
5834            if (wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotion,
5835                    "android.policy:MOTION")) {
5836                return 0;
5837            }
5838        }
5839
5840        if (shouldDispatchInputWhenNonInteractive()) {
5841            return ACTION_PASS_TO_USER;
5842        }
5843
5844        // If we have not passed the action up and we are in theater mode without dreaming,
5845        // there will be no dream to intercept the touch and wake into ambient.  The device should
5846        // wake up in this case.
5847        if (isTheaterModeEnabled() && (policyFlags & FLAG_WAKE) != 0) {
5848            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotionWhenNotDreaming,
5849                    "android.policy:MOTION");
5850        }
5851
5852        return 0;
5853    }
5854
5855    private boolean shouldDispatchInputWhenNonInteractive() {
5856        final boolean displayOff = (mDisplay == null || mDisplay.getState() == Display.STATE_OFF);
5857
5858        if (displayOff && !mHasFeatureWatch) {
5859            return false;
5860        }
5861
5862        // Send events to keyguard while the screen is on and it's showing.
5863        if (isKeyguardShowingAndNotOccluded() && !displayOff) {
5864            return true;
5865        }
5866
5867        // Send events to a dozing dream even if the screen is off since the dream
5868        // is in control of the state of the screen.
5869        IDreamManager dreamManager = getDreamManager();
5870
5871        try {
5872            if (dreamManager != null && dreamManager.isDreaming()) {
5873                return true;
5874            }
5875        } catch (RemoteException e) {
5876            Slog.e(TAG, "RemoteException when checking if dreaming", e);
5877        }
5878
5879        // Otherwise, consume events since the user can't see what is being
5880        // interacted with.
5881        return false;
5882    }
5883
5884    private void dispatchDirectAudioEvent(KeyEvent event) {
5885        if (event.getAction() != KeyEvent.ACTION_DOWN) {
5886            return;
5887        }
5888        int keyCode = event.getKeyCode();
5889        int flags = AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_PLAY_SOUND
5890                | AudioManager.FLAG_FROM_KEY;
5891        String pkgName = mContext.getOpPackageName();
5892        switch (keyCode) {
5893            case KeyEvent.KEYCODE_VOLUME_UP:
5894                try {
5895                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_RAISE,
5896                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
5897                } catch (RemoteException e) {
5898                    Log.e(TAG, "Error dispatching volume up in dispatchTvAudioEvent.", e);
5899                }
5900                break;
5901            case KeyEvent.KEYCODE_VOLUME_DOWN:
5902                try {
5903                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_LOWER,
5904                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
5905                } catch (RemoteException e) {
5906                    Log.e(TAG, "Error dispatching volume down in dispatchTvAudioEvent.", e);
5907                }
5908                break;
5909            case KeyEvent.KEYCODE_VOLUME_MUTE:
5910                try {
5911                    if (event.getRepeatCount() == 0) {
5912                        getAudioService().adjustSuggestedStreamVolume(
5913                                AudioManager.ADJUST_TOGGLE_MUTE,
5914                                AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
5915                    }
5916                } catch (RemoteException e) {
5917                    Log.e(TAG, "Error dispatching mute in dispatchTvAudioEvent.", e);
5918                }
5919                break;
5920        }
5921    }
5922
5923    void dispatchMediaKeyWithWakeLock(KeyEvent event) {
5924        if (DEBUG_INPUT) {
5925            Slog.d(TAG, "dispatchMediaKeyWithWakeLock: " + event);
5926        }
5927
5928        if (mHavePendingMediaKeyRepeatWithWakeLock) {
5929            if (DEBUG_INPUT) {
5930                Slog.d(TAG, "dispatchMediaKeyWithWakeLock: canceled repeat");
5931            }
5932
5933            mHandler.removeMessages(MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK);
5934            mHavePendingMediaKeyRepeatWithWakeLock = false;
5935            mBroadcastWakeLock.release(); // pending repeat was holding onto the wake lock
5936        }
5937
5938        dispatchMediaKeyWithWakeLockToAudioService(event);
5939
5940        if (event.getAction() == KeyEvent.ACTION_DOWN
5941                && event.getRepeatCount() == 0) {
5942            mHavePendingMediaKeyRepeatWithWakeLock = true;
5943
5944            Message msg = mHandler.obtainMessage(
5945                    MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK, event);
5946            msg.setAsynchronous(true);
5947            mHandler.sendMessageDelayed(msg, ViewConfiguration.getKeyRepeatTimeout());
5948        } else {
5949            mBroadcastWakeLock.release();
5950        }
5951    }
5952
5953    void dispatchMediaKeyRepeatWithWakeLock(KeyEvent event) {
5954        mHavePendingMediaKeyRepeatWithWakeLock = false;
5955
5956        KeyEvent repeatEvent = KeyEvent.changeTimeRepeat(event,
5957                SystemClock.uptimeMillis(), 1, event.getFlags() | KeyEvent.FLAG_LONG_PRESS);
5958        if (DEBUG_INPUT) {
5959            Slog.d(TAG, "dispatchMediaKeyRepeatWithWakeLock: " + repeatEvent);
5960        }
5961
5962        dispatchMediaKeyWithWakeLockToAudioService(repeatEvent);
5963        mBroadcastWakeLock.release();
5964    }
5965
5966    void dispatchMediaKeyWithWakeLockToAudioService(KeyEvent event) {
5967        if (ActivityManagerNative.isSystemReady()) {
5968            MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(event, true);
5969        }
5970    }
5971
5972    void launchVoiceAssistWithWakeLock(boolean keyguardActive) {
5973        IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
5974                ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
5975        if (dic != null) {
5976            try {
5977                dic.exitIdle("voice-search");
5978            } catch (RemoteException e) {
5979            }
5980        }
5981        Intent voiceIntent =
5982            new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
5983        voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, keyguardActive);
5984        startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
5985        mBroadcastWakeLock.release();
5986    }
5987
5988    BroadcastReceiver mDockReceiver = new BroadcastReceiver() {
5989        @Override
5990        public void onReceive(Context context, Intent intent) {
5991            if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
5992                mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
5993                        Intent.EXTRA_DOCK_STATE_UNDOCKED);
5994            } else {
5995                try {
5996                    IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
5997                            ServiceManager.getService(Context.UI_MODE_SERVICE));
5998                    mUiMode = uiModeService.getCurrentModeType();
5999                } catch (RemoteException e) {
6000                }
6001            }
6002            updateRotation(true);
6003            synchronized (mLock) {
6004                updateOrientationListenerLp();
6005            }
6006        }
6007    };
6008
6009    BroadcastReceiver mDreamReceiver = new BroadcastReceiver() {
6010        @Override
6011        public void onReceive(Context context, Intent intent) {
6012            if (Intent.ACTION_DREAMING_STARTED.equals(intent.getAction())) {
6013                if (mKeyguardDelegate != null) {
6014                    mKeyguardDelegate.onDreamingStarted();
6015                }
6016            } else if (Intent.ACTION_DREAMING_STOPPED.equals(intent.getAction())) {
6017                if (mKeyguardDelegate != null) {
6018                    mKeyguardDelegate.onDreamingStopped();
6019                }
6020            }
6021        }
6022    };
6023
6024    BroadcastReceiver mMultiuserReceiver = new BroadcastReceiver() {
6025        @Override
6026        public void onReceive(Context context, Intent intent) {
6027            if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) {
6028                // tickle the settings observer: this first ensures that we're
6029                // observing the relevant settings for the newly-active user,
6030                // and then updates our own bookkeeping based on the now-
6031                // current user.
6032                mSettingsObserver.onChange(false);
6033
6034                // force a re-application of focused window sysui visibility.
6035                // the window may never have been shown for this user
6036                // e.g. the keyguard when going through the new-user setup flow
6037                synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6038                    mLastSystemUiFlags = 0;
6039                    updateSystemUiVisibilityLw();
6040                }
6041            }
6042        }
6043    };
6044
6045    private final Runnable mHiddenNavPanic = new Runnable() {
6046        @Override
6047        public void run() {
6048            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6049                if (!isUserSetupComplete()) {
6050                    // Swipe-up for navigation bar is disabled during setup
6051                    return;
6052                }
6053                mPendingPanicGestureUptime = SystemClock.uptimeMillis();
6054                mNavigationBarController.showTransient();
6055            }
6056        }
6057    };
6058
6059    private void requestTransientBars(WindowState swipeTarget) {
6060        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6061            if (!isUserSetupComplete()) {
6062                // Swipe-up for navigation bar is disabled during setup
6063                return;
6064            }
6065            boolean sb = mStatusBarController.checkShowTransientBarLw();
6066            boolean nb = mNavigationBarController.checkShowTransientBarLw();
6067            if (sb || nb) {
6068                // Don't show status bar when swiping on already visible navigation bar
6069                if (!nb && swipeTarget == mNavigationBar) {
6070                    if (DEBUG) Slog.d(TAG, "Not showing transient bar, wrong swipe target");
6071                    return;
6072                }
6073                if (sb) mStatusBarController.showTransient();
6074                if (nb) mNavigationBarController.showTransient();
6075                mImmersiveModeConfirmation.confirmCurrentPrompt();
6076                updateSystemUiVisibilityLw();
6077            }
6078        }
6079    }
6080
6081    // Called on the PowerManager's Notifier thread.
6082    @Override
6083    public void startedGoingToSleep(int why) {
6084        if (DEBUG_WAKEUP) Slog.i(TAG, "Started going to sleep... (why=" + why + ")");
6085        mCameraGestureTriggeredDuringGoingToSleep = false;
6086        mGoingToSleep = true;
6087        if (mKeyguardDelegate != null) {
6088            mKeyguardDelegate.onStartedGoingToSleep(why);
6089        }
6090    }
6091
6092    // Called on the PowerManager's Notifier thread.
6093    @Override
6094    public void finishedGoingToSleep(int why) {
6095        EventLog.writeEvent(70000, 0);
6096        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished going to sleep... (why=" + why + ")");
6097        MetricsLogger.histogram(mContext, "screen_timeout", mLockScreenTimeout / 1000);
6098
6099        mGoingToSleep = false;
6100
6101        // We must get this work done here because the power manager will drop
6102        // the wake lock and let the system suspend once this function returns.
6103        synchronized (mLock) {
6104            mAwake = false;
6105            updateWakeGestureListenerLp();
6106            updateOrientationListenerLp();
6107            updateLockScreenTimeout();
6108        }
6109        if (mKeyguardDelegate != null) {
6110            mKeyguardDelegate.onFinishedGoingToSleep(why,
6111                    mCameraGestureTriggeredDuringGoingToSleep);
6112        }
6113        mCameraGestureTriggeredDuringGoingToSleep = false;
6114    }
6115
6116    // Called on the PowerManager's Notifier thread.
6117    @Override
6118    public void startedWakingUp() {
6119        EventLog.writeEvent(70000, 1);
6120        if (DEBUG_WAKEUP) Slog.i(TAG, "Started waking up...");
6121
6122        // Since goToSleep performs these functions synchronously, we must
6123        // do the same here.  We cannot post this work to a handler because
6124        // that might cause it to become reordered with respect to what
6125        // may happen in a future call to goToSleep.
6126        synchronized (mLock) {
6127            mAwake = true;
6128
6129            updateWakeGestureListenerLp();
6130            updateOrientationListenerLp();
6131            updateLockScreenTimeout();
6132        }
6133
6134        if (mKeyguardDelegate != null) {
6135            mKeyguardDelegate.onStartedWakingUp();
6136        }
6137    }
6138
6139    // Called on the PowerManager's Notifier thread.
6140    @Override
6141    public void finishedWakingUp() {
6142        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished waking up...");
6143    }
6144
6145    private void wakeUpFromPowerKey(long eventTime) {
6146        wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey, "android.policy:POWER");
6147    }
6148
6149    private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode, String reason) {
6150        final boolean theaterModeEnabled = isTheaterModeEnabled();
6151        if (!wakeInTheaterMode && theaterModeEnabled) {
6152            return false;
6153        }
6154
6155        if (theaterModeEnabled) {
6156            Settings.Global.putInt(mContext.getContentResolver(),
6157                    Settings.Global.THEATER_MODE_ON, 0);
6158        }
6159
6160        mPowerManager.wakeUp(wakeTime, reason);
6161        return true;
6162    }
6163
6164    private void finishKeyguardDrawn() {
6165        synchronized (mLock) {
6166            if (!mScreenOnEarly || mKeyguardDrawComplete) {
6167                return; // We are not awake yet or we have already informed of this event.
6168            }
6169
6170            mKeyguardDrawComplete = true;
6171            if (mKeyguardDelegate != null) {
6172                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
6173            }
6174            mWindowManagerDrawComplete = false;
6175        }
6176
6177        // ... eventually calls finishWindowsDrawn which will finalize our screen turn on
6178        // as well as enabling the orientation change logic/sensor.
6179        mWindowManagerInternal.waitForAllWindowsDrawn(mWindowManagerDrawCallback,
6180                WAITING_FOR_DRAWN_TIMEOUT);
6181    }
6182
6183    // Called on the DisplayManager's DisplayPowerController thread.
6184    @Override
6185    public void screenTurnedOff() {
6186        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turned off...");
6187
6188        updateScreenOffSleepToken(true);
6189        synchronized (mLock) {
6190            mScreenOnEarly = false;
6191            mScreenOnFully = false;
6192            mKeyguardDrawComplete = false;
6193            mWindowManagerDrawComplete = false;
6194            mScreenOnListener = null;
6195            updateOrientationListenerLp();
6196
6197            if (mKeyguardDelegate != null) {
6198                mKeyguardDelegate.onScreenTurnedOff();
6199            }
6200        }
6201    }
6202
6203    // Called on the DisplayManager's DisplayPowerController thread.
6204    @Override
6205    public void screenTurningOn(final ScreenOnListener screenOnListener) {
6206        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turning on...");
6207
6208        updateScreenOffSleepToken(false);
6209        synchronized (mLock) {
6210            mScreenOnEarly = true;
6211            mScreenOnFully = false;
6212            mKeyguardDrawComplete = false;
6213            mWindowManagerDrawComplete = false;
6214            mScreenOnListener = screenOnListener;
6215
6216            if (mKeyguardDelegate != null) {
6217                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
6218                mHandler.sendEmptyMessageDelayed(MSG_KEYGUARD_DRAWN_TIMEOUT, 1000);
6219                mKeyguardDelegate.onScreenTurningOn(mKeyguardDrawnCallback);
6220            } else {
6221                if (DEBUG_WAKEUP) Slog.d(TAG,
6222                        "null mKeyguardDelegate: setting mKeyguardDrawComplete.");
6223                finishKeyguardDrawn();
6224            }
6225        }
6226    }
6227
6228    // Called on the DisplayManager's DisplayPowerController thread.
6229    @Override
6230    public void screenTurnedOn() {
6231        synchronized (mLock) {
6232            if (mKeyguardDelegate != null) {
6233                mKeyguardDelegate.onScreenTurnedOn();
6234            }
6235        }
6236    }
6237
6238    private void finishWindowsDrawn() {
6239        synchronized (mLock) {
6240            if (!mScreenOnEarly || mWindowManagerDrawComplete) {
6241                return; // Screen is not turned on or we did already handle this case earlier.
6242            }
6243
6244            mWindowManagerDrawComplete = true;
6245        }
6246
6247        finishScreenTurningOn();
6248    }
6249
6250    private void finishScreenTurningOn() {
6251        synchronized (mLock) {
6252            // We have just finished drawing screen content. Since the orientation listener
6253            // gets only installed when all windows are drawn, we try to install it again.
6254            updateOrientationListenerLp();
6255        }
6256        final ScreenOnListener listener;
6257        final boolean enableScreen;
6258        synchronized (mLock) {
6259            if (DEBUG_WAKEUP) Slog.d(TAG,
6260                    "finishScreenTurningOn: mAwake=" + mAwake
6261                            + ", mScreenOnEarly=" + mScreenOnEarly
6262                            + ", mScreenOnFully=" + mScreenOnFully
6263                            + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
6264                            + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
6265
6266            if (mScreenOnFully || !mScreenOnEarly || !mWindowManagerDrawComplete
6267                    || (mAwake && !mKeyguardDrawComplete)) {
6268                return; // spurious or not ready yet
6269            }
6270
6271            if (DEBUG_WAKEUP) Slog.i(TAG, "Finished screen turning on...");
6272            listener = mScreenOnListener;
6273            mScreenOnListener = null;
6274            mScreenOnFully = true;
6275
6276            // Remember the first time we draw the keyguard so we know when we're done with
6277            // the main part of booting and can enable the screen and hide boot messages.
6278            if (!mKeyguardDrawnOnce && mAwake) {
6279                mKeyguardDrawnOnce = true;
6280                enableScreen = true;
6281                if (mBootMessageNeedsHiding) {
6282                    mBootMessageNeedsHiding = false;
6283                    hideBootMessages();
6284                }
6285            } else {
6286                enableScreen = false;
6287            }
6288        }
6289
6290        if (listener != null) {
6291            listener.onScreenOn();
6292        }
6293
6294        if (enableScreen) {
6295            try {
6296                mWindowManager.enableScreenIfNeeded();
6297            } catch (RemoteException unhandled) {
6298            }
6299        }
6300    }
6301
6302    private void handleHideBootMessage() {
6303        synchronized (mLock) {
6304            if (!mKeyguardDrawnOnce) {
6305                mBootMessageNeedsHiding = true;
6306                return; // keyguard hasn't drawn the first time yet, not done booting
6307            }
6308        }
6309
6310        if (mBootMsgDialog != null) {
6311            if (DEBUG_WAKEUP) Slog.d(TAG, "handleHideBootMessage: dismissing");
6312            mBootMsgDialog.dismiss();
6313            mBootMsgDialog = null;
6314        }
6315    }
6316
6317    @Override
6318    public boolean isScreenOn() {
6319        return mScreenOnFully;
6320    }
6321
6322    /** {@inheritDoc} */
6323    @Override
6324    public void enableKeyguard(boolean enabled) {
6325        if (mKeyguardDelegate != null) {
6326            mKeyguardDelegate.setKeyguardEnabled(enabled);
6327        }
6328    }
6329
6330    /** {@inheritDoc} */
6331    @Override
6332    public void exitKeyguardSecurely(OnKeyguardExitResult callback) {
6333        if (mKeyguardDelegate != null) {
6334            mKeyguardDelegate.verifyUnlock(callback);
6335        }
6336    }
6337
6338    private boolean isKeyguardShowingAndNotOccluded() {
6339        if (mKeyguardDelegate == null) return false;
6340        return mKeyguardDelegate.isShowing() && !mKeyguardOccluded;
6341    }
6342
6343    /** {@inheritDoc} */
6344    @Override
6345    public boolean isKeyguardLocked() {
6346        return keyguardOn();
6347    }
6348
6349    /** {@inheritDoc} */
6350    @Override
6351    public boolean isKeyguardSecure(int userId) {
6352        if (mKeyguardDelegate == null) return false;
6353        return mKeyguardDelegate.isSecure(userId);
6354    }
6355
6356    /** {@inheritDoc} */
6357    @Override
6358    public boolean isKeyguardShowingOrOccluded() {
6359        return mKeyguardDelegate == null ? false : mKeyguardDelegate.isShowing();
6360    }
6361
6362    /** {@inheritDoc} */
6363    @Override
6364    public boolean inKeyguardRestrictedKeyInputMode() {
6365        if (mKeyguardDelegate == null) return false;
6366        return mKeyguardDelegate.isInputRestricted();
6367    }
6368
6369    @Override
6370    public void dismissKeyguardLw() {
6371        if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
6372            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.dismissKeyguardLw");
6373            mHandler.post(new Runnable() {
6374                @Override
6375                public void run() {
6376                    // ask the keyguard to prompt the user to authenticate if necessary
6377                    mKeyguardDelegate.dismiss();
6378                }
6379            });
6380        }
6381    }
6382
6383    @Override
6384    public void notifyActivityDrawnForKeyguardLw() {
6385        if (mKeyguardDelegate != null) {
6386            mHandler.post(new Runnable() {
6387                @Override
6388                public void run() {
6389                    mKeyguardDelegate.onActivityDrawn();
6390                }
6391            });
6392        }
6393    }
6394
6395    @Override
6396    public boolean isKeyguardDrawnLw() {
6397        synchronized (mLock) {
6398            return mKeyguardDrawnOnce;
6399        }
6400    }
6401
6402    @Override
6403    public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
6404        if (mKeyguardDelegate != null) {
6405            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.startKeyguardExitAnimation");
6406            mKeyguardDelegate.startKeyguardExitAnimation(startTime, fadeoutDuration);
6407        }
6408    }
6409
6410    @Override
6411    public void getStableInsetsLw(int displayRotation, int displayWidth, int displayHeight,
6412            Rect outInsets) {
6413        outInsets.setEmpty();
6414
6415        // Navigation bar and status bar.
6416        getNonDecorInsetsLw(displayRotation, displayWidth, displayHeight, outInsets);
6417        if (mStatusBar != null) {
6418            outInsets.top = mStatusBarHeight;
6419        }
6420    }
6421
6422    @Override
6423    public void getNonDecorInsetsLw(int displayRotation, int displayWidth, int displayHeight,
6424            Rect outInsets) {
6425        outInsets.setEmpty();
6426
6427        // Only navigation bar
6428        if (mNavigationBar != null) {
6429            if (isNavigationBarOnBottom(displayWidth, displayHeight)) {
6430                outInsets.bottom = getNavigationBarHeight(displayRotation, mUiMode);
6431            } else {
6432                outInsets.right = getNavigationBarWidth(displayRotation, mUiMode);
6433            }
6434        }
6435    }
6436
6437    @Override
6438    public boolean isNavBarForcedShownLw(WindowState windowState) {
6439        return mForceShowSystemBars;
6440    }
6441
6442    @Override
6443    public boolean isDockSideAllowed(int dockSide) {
6444
6445        // We do not allow all dock sides at which the navigation bar touches the docked stack.
6446        if (!mNavigationBarCanMove) {
6447            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT || dockSide == DOCKED_RIGHT;
6448        } else {
6449            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT;
6450        }
6451    }
6452
6453    void sendCloseSystemWindows() {
6454        PhoneWindow.sendCloseSystemWindows(mContext, null);
6455    }
6456
6457    void sendCloseSystemWindows(String reason) {
6458        PhoneWindow.sendCloseSystemWindows(mContext, reason);
6459    }
6460
6461    @Override
6462    public int rotationForOrientationLw(int orientation, int lastRotation) {
6463        if (false) {
6464            Slog.v(TAG, "rotationForOrientationLw(orient="
6465                        + orientation + ", last=" + lastRotation
6466                        + "); user=" + mUserRotation + " "
6467                        + ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED)
6468                            ? "USER_ROTATION_LOCKED" : "")
6469                        );
6470        }
6471
6472        if (mForceDefaultOrientation) {
6473            return Surface.ROTATION_0;
6474        }
6475
6476        synchronized (mLock) {
6477            int sensorRotation = mOrientationListener.getProposedRotation(); // may be -1
6478            if (sensorRotation < 0) {
6479                sensorRotation = lastRotation;
6480            }
6481
6482            final int preferredRotation;
6483            if (mLidState == LID_OPEN && mLidOpenRotation >= 0) {
6484                // Ignore sensor when lid switch is open and rotation is forced.
6485                preferredRotation = mLidOpenRotation;
6486            } else if (mDockMode == Intent.EXTRA_DOCK_STATE_CAR
6487                    && (mCarDockEnablesAccelerometer || mCarDockRotation >= 0)) {
6488                // Ignore sensor when in car dock unless explicitly enabled.
6489                // This case can override the behavior of NOSENSOR, and can also
6490                // enable 180 degree rotation while docked.
6491                preferredRotation = mCarDockEnablesAccelerometer
6492                        ? sensorRotation : mCarDockRotation;
6493            } else if ((mDockMode == Intent.EXTRA_DOCK_STATE_DESK
6494                    || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
6495                    || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK)
6496                    && (mDeskDockEnablesAccelerometer || mDeskDockRotation >= 0)) {
6497                // Ignore sensor when in desk dock unless explicitly enabled.
6498                // This case can override the behavior of NOSENSOR, and can also
6499                // enable 180 degree rotation while docked.
6500                preferredRotation = mDeskDockEnablesAccelerometer
6501                        ? sensorRotation : mDeskDockRotation;
6502            } else if (mHdmiPlugged && mDemoHdmiRotationLock) {
6503                // Ignore sensor when plugged into HDMI when demo HDMI rotation lock enabled.
6504                // Note that the dock orientation overrides the HDMI orientation.
6505                preferredRotation = mDemoHdmiRotation;
6506            } else if (mHdmiPlugged && mDockMode == Intent.EXTRA_DOCK_STATE_UNDOCKED
6507                    && mUndockedHdmiRotation >= 0) {
6508                // Ignore sensor when plugged into HDMI and an undocked orientation has
6509                // been specified in the configuration (only for legacy devices without
6510                // full multi-display support).
6511                // Note that the dock orientation overrides the HDMI orientation.
6512                preferredRotation = mUndockedHdmiRotation;
6513            } else if (mDemoRotationLock) {
6514                // Ignore sensor when demo rotation lock is enabled.
6515                // Note that the dock orientation and HDMI rotation lock override this.
6516                preferredRotation = mDemoRotation;
6517            } else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {
6518                // Application just wants to remain locked in the last rotation.
6519                preferredRotation = lastRotation;
6520            } else if (!mSupportAutoRotation) {
6521                // If we don't support auto-rotation then bail out here and ignore
6522                // the sensor and any rotation lock settings.
6523                preferredRotation = -1;
6524            } else if ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE
6525                            && (orientation == ActivityInfo.SCREEN_ORIENTATION_USER
6526                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
6527                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
6528                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT
6529                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER))
6530                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
6531                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
6532                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE
6533                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) {
6534                // Otherwise, use sensor only if requested by the application or enabled
6535                // by default for USER or UNSPECIFIED modes.  Does not apply to NOSENSOR.
6536                if (mAllowAllRotations < 0) {
6537                    // Can't read this during init() because the context doesn't
6538                    // have display metrics at that time so we cannot determine
6539                    // tablet vs. phone then.
6540                    mAllowAllRotations = mContext.getResources().getBoolean(
6541                            com.android.internal.R.bool.config_allowAllRotations) ? 1 : 0;
6542                }
6543                if (sensorRotation != Surface.ROTATION_180
6544                        || mAllowAllRotations == 1
6545                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
6546                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER) {
6547                    preferredRotation = sensorRotation;
6548                } else {
6549                    preferredRotation = lastRotation;
6550                }
6551            } else if (mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED
6552                    && orientation != ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
6553                // Apply rotation lock.  Does not apply to NOSENSOR.
6554                // The idea is that the user rotation expresses a weak preference for the direction
6555                // of gravity and as NOSENSOR is never affected by gravity, then neither should
6556                // NOSENSOR be affected by rotation lock (although it will be affected by docks).
6557                preferredRotation = mUserRotation;
6558            } else {
6559                // No overriding preference.
6560                // We will do exactly what the application asked us to do.
6561                preferredRotation = -1;
6562            }
6563
6564            switch (orientation) {
6565                case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6566                    // Return portrait unless overridden.
6567                    if (isAnyPortrait(preferredRotation)) {
6568                        return preferredRotation;
6569                    }
6570                    return mPortraitRotation;
6571
6572                case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6573                    // Return landscape unless overridden.
6574                    if (isLandscapeOrSeascape(preferredRotation)) {
6575                        return preferredRotation;
6576                    }
6577                    return mLandscapeRotation;
6578
6579                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6580                    // Return reverse portrait unless overridden.
6581                    if (isAnyPortrait(preferredRotation)) {
6582                        return preferredRotation;
6583                    }
6584                    return mUpsideDownRotation;
6585
6586                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6587                    // Return seascape unless overridden.
6588                    if (isLandscapeOrSeascape(preferredRotation)) {
6589                        return preferredRotation;
6590                    }
6591                    return mSeascapeRotation;
6592
6593                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6594                case ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE:
6595                    // Return either landscape rotation.
6596                    if (isLandscapeOrSeascape(preferredRotation)) {
6597                        return preferredRotation;
6598                    }
6599                    if (isLandscapeOrSeascape(lastRotation)) {
6600                        return lastRotation;
6601                    }
6602                    return mLandscapeRotation;
6603
6604                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6605                case ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT:
6606                    // Return either portrait rotation.
6607                    if (isAnyPortrait(preferredRotation)) {
6608                        return preferredRotation;
6609                    }
6610                    if (isAnyPortrait(lastRotation)) {
6611                        return lastRotation;
6612                    }
6613                    return mPortraitRotation;
6614
6615                default:
6616                    // For USER, UNSPECIFIED, NOSENSOR, SENSOR and FULL_SENSOR,
6617                    // just return the preferred orientation we already calculated.
6618                    if (preferredRotation >= 0) {
6619                        return preferredRotation;
6620                    }
6621                    return Surface.ROTATION_0;
6622            }
6623        }
6624    }
6625
6626    @Override
6627    public boolean rotationHasCompatibleMetricsLw(int orientation, int rotation) {
6628        switch (orientation) {
6629            case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6630            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6631            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6632                return isAnyPortrait(rotation);
6633
6634            case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6635            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6636            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6637                return isLandscapeOrSeascape(rotation);
6638
6639            default:
6640                return true;
6641        }
6642    }
6643
6644    @Override
6645    public void setRotationLw(int rotation) {
6646        mOrientationListener.setCurrentRotation(rotation);
6647    }
6648
6649    private boolean isLandscapeOrSeascape(int rotation) {
6650        return rotation == mLandscapeRotation || rotation == mSeascapeRotation;
6651    }
6652
6653    private boolean isAnyPortrait(int rotation) {
6654        return rotation == mPortraitRotation || rotation == mUpsideDownRotation;
6655    }
6656
6657    @Override
6658    public int getUserRotationMode() {
6659        return Settings.System.getIntForUser(mContext.getContentResolver(),
6660                Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
6661                        WindowManagerPolicy.USER_ROTATION_FREE :
6662                                WindowManagerPolicy.USER_ROTATION_LOCKED;
6663    }
6664
6665    // User rotation: to be used when all else fails in assigning an orientation to the device
6666    @Override
6667    public void setUserRotationMode(int mode, int rot) {
6668        ContentResolver res = mContext.getContentResolver();
6669
6670        // mUserRotationMode and mUserRotation will be assigned by the content observer
6671        if (mode == WindowManagerPolicy.USER_ROTATION_LOCKED) {
6672            Settings.System.putIntForUser(res,
6673                    Settings.System.USER_ROTATION,
6674                    rot,
6675                    UserHandle.USER_CURRENT);
6676            Settings.System.putIntForUser(res,
6677                    Settings.System.ACCELEROMETER_ROTATION,
6678                    0,
6679                    UserHandle.USER_CURRENT);
6680        } else {
6681            Settings.System.putIntForUser(res,
6682                    Settings.System.ACCELEROMETER_ROTATION,
6683                    1,
6684                    UserHandle.USER_CURRENT);
6685        }
6686    }
6687
6688    @Override
6689    public void setSafeMode(boolean safeMode) {
6690        mSafeMode = safeMode;
6691        performHapticFeedbackLw(null, safeMode
6692                ? HapticFeedbackConstants.SAFE_MODE_ENABLED
6693                : HapticFeedbackConstants.SAFE_MODE_DISABLED, true);
6694    }
6695
6696    static long[] getLongIntArray(Resources r, int resid) {
6697        int[] ar = r.getIntArray(resid);
6698        if (ar == null) {
6699            return null;
6700        }
6701        long[] out = new long[ar.length];
6702        for (int i=0; i<ar.length; i++) {
6703            out[i] = ar[i];
6704        }
6705        return out;
6706    }
6707
6708    /** {@inheritDoc} */
6709    @Override
6710    public void systemReady() {
6711        mKeyguardDelegate = new KeyguardServiceDelegate(mContext);
6712        mKeyguardDelegate.onSystemReady();
6713
6714        readCameraLensCoverState();
6715        updateUiMode();
6716        boolean bindKeyguardNow;
6717        synchronized (mLock) {
6718            updateOrientationListenerLp();
6719            mSystemReady = true;
6720            mHandler.post(new Runnable() {
6721                @Override
6722                public void run() {
6723                    updateSettings();
6724                }
6725            });
6726
6727            bindKeyguardNow = mDeferBindKeyguard;
6728            if (bindKeyguardNow) {
6729                // systemBooted ran but wasn't able to bind to the Keyguard, we'll do it now.
6730                mDeferBindKeyguard = false;
6731            }
6732        }
6733
6734        if (bindKeyguardNow) {
6735            mKeyguardDelegate.bindService(mContext);
6736            mKeyguardDelegate.onBootCompleted();
6737        }
6738        mSystemGestures.systemReady();
6739        mImmersiveModeConfirmation.systemReady();
6740    }
6741
6742    /** {@inheritDoc} */
6743    @Override
6744    public void systemBooted() {
6745        boolean bindKeyguardNow = false;
6746        synchronized (mLock) {
6747            // Time to bind Keyguard; take care to only bind it once, either here if ready or
6748            // in systemReady if not.
6749            if (mKeyguardDelegate != null) {
6750                bindKeyguardNow = true;
6751            } else {
6752                // Because mKeyguardDelegate is null, we know that the synchronized block in
6753                // systemReady didn't run yet and setting this will actually have an effect.
6754                mDeferBindKeyguard = true;
6755            }
6756        }
6757        if (bindKeyguardNow) {
6758            mKeyguardDelegate.bindService(mContext);
6759            mKeyguardDelegate.onBootCompleted();
6760        }
6761        synchronized (mLock) {
6762            mSystemBooted = true;
6763        }
6764        startedWakingUp();
6765        screenTurningOn(null);
6766        screenTurnedOn();
6767    }
6768
6769    ProgressDialog mBootMsgDialog = null;
6770
6771    /** {@inheritDoc} */
6772    @Override
6773    public void showBootMessage(final CharSequence msg, final boolean always) {
6774        mHandler.post(new Runnable() {
6775            @Override public void run() {
6776                if (mBootMsgDialog == null) {
6777                    int theme;
6778                    if (mHasFeatureWatch) {
6779                        theme = com.android.internal.R.style.Theme_Micro_Dialog_Alert;
6780                    } else if (mContext.getPackageManager().hasSystemFeature(FEATURE_TELEVISION)) {
6781                        theme = com.android.internal.R.style.Theme_Leanback_Dialog_Alert;
6782                    } else {
6783                        theme = 0;
6784                    }
6785
6786                    mBootMsgDialog = new ProgressDialog(mContext, theme) {
6787                        // This dialog will consume all events coming in to
6788                        // it, to avoid it trying to do things too early in boot.
6789                        @Override public boolean dispatchKeyEvent(KeyEvent event) {
6790                            return true;
6791                        }
6792                        @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
6793                            return true;
6794                        }
6795                        @Override public boolean dispatchTouchEvent(MotionEvent ev) {
6796                            return true;
6797                        }
6798                        @Override public boolean dispatchTrackballEvent(MotionEvent ev) {
6799                            return true;
6800                        }
6801                        @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) {
6802                            return true;
6803                        }
6804                        @Override public boolean dispatchPopulateAccessibilityEvent(
6805                                AccessibilityEvent event) {
6806                            return true;
6807                        }
6808                    };
6809                    if (mContext.getPackageManager().isUpgrade()) {
6810                        mBootMsgDialog.setTitle(R.string.android_upgrading_title);
6811                    } else {
6812                        mBootMsgDialog.setTitle(R.string.android_start_title);
6813                    }
6814                    mBootMsgDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
6815                    mBootMsgDialog.setIndeterminate(true);
6816                    mBootMsgDialog.getWindow().setType(
6817                            WindowManager.LayoutParams.TYPE_BOOT_PROGRESS);
6818                    mBootMsgDialog.getWindow().addFlags(
6819                            WindowManager.LayoutParams.FLAG_DIM_BEHIND
6820                            | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
6821                    mBootMsgDialog.getWindow().setDimAmount(1);
6822                    WindowManager.LayoutParams lp = mBootMsgDialog.getWindow().getAttributes();
6823                    lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
6824                    mBootMsgDialog.getWindow().setAttributes(lp);
6825                    mBootMsgDialog.setCancelable(false);
6826                    mBootMsgDialog.show();
6827                }
6828                mBootMsgDialog.setMessage(msg);
6829            }
6830        });
6831    }
6832
6833    /** {@inheritDoc} */
6834    @Override
6835    public void hideBootMessages() {
6836        mHandler.sendEmptyMessage(MSG_HIDE_BOOT_MESSAGE);
6837    }
6838
6839    /** {@inheritDoc} */
6840    @Override
6841    public void userActivity() {
6842        // ***************************************
6843        // NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
6844        // ***************************************
6845        // THIS IS CALLED FROM DEEP IN THE POWER MANAGER
6846        // WITH ITS LOCKS HELD.
6847        //
6848        // This code must be VERY careful about the locks
6849        // it acquires.
6850        // In fact, the current code acquires way too many,
6851        // and probably has lurking deadlocks.
6852
6853        synchronized (mScreenLockTimeout) {
6854            if (mLockScreenTimerActive) {
6855                // reset the timer
6856                mHandler.removeCallbacks(mScreenLockTimeout);
6857                mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
6858            }
6859        }
6860    }
6861
6862    class ScreenLockTimeout implements Runnable {
6863        Bundle options;
6864
6865        @Override
6866        public void run() {
6867            synchronized (this) {
6868                if (localLOGV) Log.v(TAG, "mScreenLockTimeout activating keyguard");
6869                if (mKeyguardDelegate != null) {
6870                    mKeyguardDelegate.doKeyguardTimeout(options);
6871                }
6872                mLockScreenTimerActive = false;
6873                options = null;
6874            }
6875        }
6876
6877        public void setLockOptions(Bundle options) {
6878            this.options = options;
6879        }
6880    }
6881
6882    ScreenLockTimeout mScreenLockTimeout = new ScreenLockTimeout();
6883
6884    @Override
6885    public void lockNow(Bundle options) {
6886        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);
6887        mHandler.removeCallbacks(mScreenLockTimeout);
6888        if (options != null) {
6889            // In case multiple calls are made to lockNow, we don't wipe out the options
6890            // until the runnable actually executes.
6891            mScreenLockTimeout.setLockOptions(options);
6892        }
6893        mHandler.post(mScreenLockTimeout);
6894    }
6895
6896    private void updateLockScreenTimeout() {
6897        synchronized (mScreenLockTimeout) {
6898            boolean enable = (mAllowLockscreenWhenOn && mAwake &&
6899                    mKeyguardDelegate != null && mKeyguardDelegate.isSecure(mCurrentUserId));
6900            if (mLockScreenTimerActive != enable) {
6901                if (enable) {
6902                    if (localLOGV) Log.v(TAG, "setting lockscreen timer");
6903                    mHandler.removeCallbacks(mScreenLockTimeout); // remove any pending requests
6904                    mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
6905                } else {
6906                    if (localLOGV) Log.v(TAG, "clearing lockscreen timer");
6907                    mHandler.removeCallbacks(mScreenLockTimeout);
6908                }
6909                mLockScreenTimerActive = enable;
6910            }
6911        }
6912    }
6913
6914    private void updateDreamingSleepToken(boolean acquire) {
6915        if (acquire) {
6916            if (mDreamingSleepToken == null) {
6917                mDreamingSleepToken = mActivityManagerInternal.acquireSleepToken("Dream");
6918            }
6919        } else {
6920            if (mDreamingSleepToken != null) {
6921                mDreamingSleepToken.release();
6922                mDreamingSleepToken = null;
6923            }
6924        }
6925    }
6926
6927    private void updateScreenOffSleepToken(boolean acquire) {
6928        if (acquire) {
6929            if (mScreenOffSleepToken == null) {
6930                mScreenOffSleepToken = mActivityManagerInternal.acquireSleepToken("ScreenOff");
6931            }
6932        } else {
6933            if (mScreenOffSleepToken != null) {
6934                mScreenOffSleepToken.release();
6935                mScreenOffSleepToken = null;
6936            }
6937        }
6938    }
6939
6940    /** {@inheritDoc} */
6941    @Override
6942    public void enableScreenAfterBoot() {
6943        readLidState();
6944        applyLidSwitchState();
6945        updateRotation(true);
6946    }
6947
6948    private void applyLidSwitchState() {
6949        if (mLidState == LID_CLOSED && mLidControlsSleep) {
6950            mPowerManager.goToSleep(SystemClock.uptimeMillis(),
6951                    PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH,
6952                    PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
6953        } else if (mLidState == LID_CLOSED && mLidControlsScreenLock) {
6954            mWindowManagerFuncs.lockDeviceNow();
6955        }
6956
6957        synchronized (mLock) {
6958            updateWakeGestureListenerLp();
6959        }
6960    }
6961
6962    void updateUiMode() {
6963        if (mUiModeManager == null) {
6964            mUiModeManager = IUiModeManager.Stub.asInterface(
6965                    ServiceManager.getService(Context.UI_MODE_SERVICE));
6966        }
6967        try {
6968            mUiMode = mUiModeManager.getCurrentModeType();
6969        } catch (RemoteException e) {
6970        }
6971    }
6972
6973    void updateRotation(boolean alwaysSendConfiguration) {
6974        try {
6975            //set orientation on WindowManager
6976            mWindowManager.updateRotation(alwaysSendConfiguration, false);
6977        } catch (RemoteException e) {
6978            // Ignore
6979        }
6980    }
6981
6982    void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
6983        try {
6984            //set orientation on WindowManager
6985            mWindowManager.updateRotation(alwaysSendConfiguration, forceRelayout);
6986        } catch (RemoteException e) {
6987            // Ignore
6988        }
6989    }
6990
6991    /**
6992     * Return an Intent to launch the currently active dock app as home.  Returns
6993     * null if the standard home should be launched, which is the case if any of the following is
6994     * true:
6995     * <ul>
6996     *  <li>The device is not in either car mode or desk mode
6997     *  <li>The device is in car mode but mEnableCarDockHomeCapture is false
6998     *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
6999     *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
7000     *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
7001     * </ul>
7002     * @return A dock intent.
7003     */
7004    Intent createHomeDockIntent() {
7005        Intent intent = null;
7006
7007        // What home does is based on the mode, not the dock state.  That
7008        // is, when in car mode you should be taken to car home regardless
7009        // of whether we are actually in a car dock.
7010        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
7011            if (mEnableCarDockHomeCapture) {
7012                intent = mCarDockIntent;
7013            }
7014        } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
7015            if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
7016                intent = mDeskDockIntent;
7017            }
7018        } else if (mUiMode == Configuration.UI_MODE_TYPE_WATCH
7019                && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
7020                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK
7021                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK)) {
7022            // Always launch dock home from home when watch is docked, if it exists.
7023            intent = mDeskDockIntent;
7024        }
7025
7026        if (intent == null) {
7027            return null;
7028        }
7029
7030        ActivityInfo ai = null;
7031        ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(
7032                intent,
7033                PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_META_DATA,
7034                mCurrentUserId);
7035        if (info != null) {
7036            ai = info.activityInfo;
7037        }
7038        if (ai != null
7039                && ai.metaData != null
7040                && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
7041            intent = new Intent(intent);
7042            intent.setClassName(ai.packageName, ai.name);
7043            return intent;
7044        }
7045
7046        return null;
7047    }
7048
7049    void startDockOrHome(boolean fromHomeKey, boolean awakenFromDreams) {
7050        if (awakenFromDreams) {
7051            awakenDreams();
7052        }
7053
7054        Intent dock = createHomeDockIntent();
7055        if (dock != null) {
7056            try {
7057                if (fromHomeKey) {
7058                    dock.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
7059                }
7060                startActivityAsUser(dock, UserHandle.CURRENT);
7061                return;
7062            } catch (ActivityNotFoundException e) {
7063            }
7064        }
7065
7066        Intent intent;
7067
7068        if (fromHomeKey) {
7069            intent = new Intent(mHomeIntent);
7070            intent.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
7071        } else {
7072            intent = mHomeIntent;
7073        }
7074
7075        startActivityAsUser(intent, UserHandle.CURRENT);
7076    }
7077
7078    /**
7079     * goes to the home screen
7080     * @return whether it did anything
7081     */
7082    boolean goHome() {
7083        if (!isUserSetupComplete()) {
7084            Slog.i(TAG, "Not going home because user setup is in progress.");
7085            return false;
7086        }
7087        if (false) {
7088            // This code always brings home to the front.
7089            try {
7090                ActivityManagerNative.getDefault().stopAppSwitches();
7091            } catch (RemoteException e) {
7092            }
7093            sendCloseSystemWindows();
7094            startDockOrHome(false /*fromHomeKey*/, true /* awakenFromDreams */);
7095        } else {
7096            // This code brings home to the front or, if it is already
7097            // at the front, puts the device to sleep.
7098            try {
7099                if (SystemProperties.getInt("persist.sys.uts-test-mode", 0) == 1) {
7100                    /// Roll back EndcallBehavior as the cupcake design to pass P1 lab entry.
7101                    Log.d(TAG, "UTS-TEST-MODE");
7102                } else {
7103                    ActivityManagerNative.getDefault().stopAppSwitches();
7104                    sendCloseSystemWindows();
7105                    Intent dock = createHomeDockIntent();
7106                    if (dock != null) {
7107                        int result = ActivityManagerNative.getDefault()
7108                                .startActivityAsUser(null, null, dock,
7109                                        dock.resolveTypeIfNeeded(mContext.getContentResolver()),
7110                                        null, null, 0,
7111                                        ActivityManager.START_FLAG_ONLY_IF_NEEDED,
7112                                        null, null, UserHandle.USER_CURRENT);
7113                        if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
7114                            return false;
7115                        }
7116                    }
7117                }
7118                int result = ActivityManagerNative.getDefault()
7119                        .startActivityAsUser(null, null, mHomeIntent,
7120                                mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
7121                                null, null, 0,
7122                                ActivityManager.START_FLAG_ONLY_IF_NEEDED,
7123                                null, null, UserHandle.USER_CURRENT);
7124                if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
7125                    return false;
7126                }
7127            } catch (RemoteException ex) {
7128                // bummer, the activity manager, which is in this process, is dead
7129            }
7130        }
7131        return true;
7132    }
7133
7134    @Override
7135    public void setCurrentOrientationLw(int newOrientation) {
7136        synchronized (mLock) {
7137            if (newOrientation != mCurrentAppOrientation) {
7138                mCurrentAppOrientation = newOrientation;
7139                updateOrientationListenerLp();
7140            }
7141        }
7142    }
7143
7144    private void performAuditoryFeedbackForAccessibilityIfNeed() {
7145        if (!isGlobalAccessibilityGestureEnabled()) {
7146            return;
7147        }
7148        AudioManager audioManager = (AudioManager) mContext.getSystemService(
7149                Context.AUDIO_SERVICE);
7150        if (audioManager.isSilentMode()) {
7151            return;
7152        }
7153        Ringtone ringTone = RingtoneManager.getRingtone(mContext,
7154                Settings.System.DEFAULT_NOTIFICATION_URI);
7155        ringTone.setStreamType(AudioManager.STREAM_MUSIC);
7156        ringTone.play();
7157    }
7158
7159    private boolean isTheaterModeEnabled() {
7160        return Settings.Global.getInt(mContext.getContentResolver(),
7161                Settings.Global.THEATER_MODE_ON, 0) == 1;
7162    }
7163
7164    private boolean isGlobalAccessibilityGestureEnabled() {
7165        return Settings.Global.getInt(mContext.getContentResolver(),
7166                Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED, 0) == 1;
7167    }
7168
7169    @Override
7170    public boolean performHapticFeedbackLw(WindowState win, int effectId, boolean always) {
7171        if (!mVibrator.hasVibrator()) {
7172            return false;
7173        }
7174        final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(),
7175                Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0;
7176        if (hapticsDisabled && !always) {
7177            return false;
7178        }
7179        long[] pattern = null;
7180        switch (effectId) {
7181            case HapticFeedbackConstants.LONG_PRESS:
7182                pattern = mLongPressVibePattern;
7183                break;
7184            case HapticFeedbackConstants.VIRTUAL_KEY:
7185                pattern = mVirtualKeyVibePattern;
7186                break;
7187            case HapticFeedbackConstants.KEYBOARD_TAP:
7188                pattern = mKeyboardTapVibePattern;
7189                break;
7190            case HapticFeedbackConstants.CLOCK_TICK:
7191                pattern = mClockTickVibePattern;
7192                break;
7193            case HapticFeedbackConstants.CALENDAR_DATE:
7194                pattern = mCalendarDateVibePattern;
7195                break;
7196            case HapticFeedbackConstants.SAFE_MODE_DISABLED:
7197                pattern = mSafeModeDisabledVibePattern;
7198                break;
7199            case HapticFeedbackConstants.SAFE_MODE_ENABLED:
7200                pattern = mSafeModeEnabledVibePattern;
7201                break;
7202            case HapticFeedbackConstants.CONTEXT_CLICK:
7203                pattern = mContextClickVibePattern;
7204                break;
7205            default:
7206                return false;
7207        }
7208        int owningUid;
7209        String owningPackage;
7210        if (win != null) {
7211            owningUid = win.getOwningUid();
7212            owningPackage = win.getOwningPackage();
7213        } else {
7214            owningUid = android.os.Process.myUid();
7215            owningPackage = mContext.getOpPackageName();
7216        }
7217        if (pattern.length == 1) {
7218            // One-shot vibration
7219            mVibrator.vibrate(owningUid, owningPackage, pattern[0], VIBRATION_ATTRIBUTES);
7220        } else {
7221            // Pattern vibration
7222            mVibrator.vibrate(owningUid, owningPackage, pattern, -1, VIBRATION_ATTRIBUTES);
7223        }
7224        return true;
7225    }
7226
7227    @Override
7228    public void keepScreenOnStartedLw() {
7229    }
7230
7231    @Override
7232    public void keepScreenOnStoppedLw() {
7233        if (isKeyguardShowingAndNotOccluded()) {
7234            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
7235        }
7236    }
7237
7238    private int updateSystemUiVisibilityLw() {
7239        // If there is no window focused, there will be nobody to handle the events
7240        // anyway, so just hang on in whatever state we're in until things settle down.
7241        final WindowState win = mFocusedWindow != null ? mFocusedWindow
7242                : mTopFullscreenOpaqueWindowState;
7243        if (win == null) {
7244            return 0;
7245        }
7246        if ((win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 && mHideLockScreen == true) {
7247            // We are updating at a point where the keyguard has gotten
7248            // focus, but we were last in a state where the top window is
7249            // hiding it.  This is probably because the keyguard as been
7250            // shown while the top window was displayed, so we want to ignore
7251            // it here because this is just a very transient change and it
7252            // will quickly lose focus once it correctly gets hidden.
7253            return 0;
7254        }
7255
7256        int tmpVisibility = PolicyControl.getSystemUiVisibility(win, null)
7257                & ~mResettingSystemUiFlags
7258                & ~mForceClearedSystemUiFlags;
7259        if (mForcingShowNavBar && win.getSurfaceLayer() < mForcingShowNavBarLayer) {
7260            tmpVisibility &= ~PolicyControl.adjustClearableFlags(win, View.SYSTEM_UI_CLEARABLE_FLAGS);
7261        }
7262
7263        final int fullscreenVisibility = updateLightStatusBarLw(0 /* vis */,
7264                mTopFullscreenOpaqueWindowState, mTopFullscreenOpaqueOrDimmingWindowState);
7265        final int dockedVisibility = updateLightStatusBarLw(0 /* vis */,
7266                mTopDockedOpaqueWindowState, mTopDockedOpaqueOrDimmingWindowState);
7267        mWindowManagerFuncs.getStackBounds(HOME_STACK_ID, mNonDockedStackBounds);
7268        mWindowManagerFuncs.getStackBounds(DOCKED_STACK_ID, mDockedStackBounds);
7269        final int visibility = updateSystemBarsLw(win, mLastSystemUiFlags, tmpVisibility);
7270        final int diff = visibility ^ mLastSystemUiFlags;
7271        final int fullscreenDiff = fullscreenVisibility ^ mLastFullscreenStackSysUiFlags;
7272        final int dockedDiff = dockedVisibility ^ mLastDockedStackSysUiFlags;
7273        final boolean needsMenu = win.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
7274        if (diff == 0 && fullscreenDiff == 0 && dockedDiff == 0 && mLastFocusNeedsMenu == needsMenu
7275                && mFocusedApp == win.getAppToken()
7276                && mLastNonDockedStackBounds.equals(mNonDockedStackBounds)
7277                && mLastDockedStackBounds.equals(mDockedStackBounds)) {
7278            return 0;
7279        }
7280        mLastSystemUiFlags = visibility;
7281        mLastFullscreenStackSysUiFlags = fullscreenVisibility;
7282        mLastDockedStackSysUiFlags = dockedVisibility;
7283        mLastFocusNeedsMenu = needsMenu;
7284        mFocusedApp = win.getAppToken();
7285        final Rect fullscreenStackBounds = new Rect(mNonDockedStackBounds);
7286        final Rect dockedStackBounds = new Rect(mDockedStackBounds);
7287        mHandler.post(new Runnable() {
7288                @Override
7289                public void run() {
7290                    StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
7291                    if (statusbar != null) {
7292                        statusbar.setSystemUiVisibility(visibility, fullscreenVisibility,
7293                                dockedVisibility, 0xffffffff, fullscreenStackBounds,
7294                                dockedStackBounds, win.toString());
7295                        statusbar.topAppWindowChanged(needsMenu);
7296                    }
7297                }
7298            });
7299        return diff;
7300    }
7301
7302    private int updateLightStatusBarLw(int vis, WindowState opaque, WindowState opaqueOrDimming) {
7303        WindowState statusColorWin = isStatusBarKeyguard() && !mHideLockScreen
7304                ? mStatusBar
7305                : opaqueOrDimming;
7306
7307        if (statusColorWin != null) {
7308            if (statusColorWin == opaque) {
7309                // If the top fullscreen-or-dimming window is also the top fullscreen, respect
7310                // its light flag.
7311                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7312                vis |= PolicyControl.getSystemUiVisibility(statusColorWin, null)
7313                        & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7314            } else if (statusColorWin != null && statusColorWin.isDimming()) {
7315                // Otherwise if it's dimming, clear the light flag.
7316                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7317            }
7318        }
7319        return vis;
7320    }
7321
7322    private boolean drawsSystemBarBackground(WindowState win) {
7323        return win == null || (win.getAttrs().flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0;
7324    }
7325
7326    private boolean forcesDrawStatusBarBackground(WindowState win) {
7327        return win == null || (win.getAttrs().privateFlags
7328                & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND) != 0;
7329    }
7330
7331    private int updateSystemBarsLw(WindowState win, int oldVis, int vis) {
7332        final boolean dockedStackVisible = mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID);
7333        final boolean freeformStackVisible =
7334                mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID);
7335        final boolean resizing = mWindowManagerInternal.isDockedDividerResizing();
7336
7337        // We need to force system bars when the docked stack is visible, when the freeform stack
7338        // is visible but also when we are resizing for the transitions when docked stack
7339        // visibility changes.
7340        mForceShowSystemBars = dockedStackVisible || freeformStackVisible || resizing;
7341        final boolean forceOpaqueStatusBar = mForceShowSystemBars && !mForceStatusBarFromKeyguard;
7342
7343        // apply translucent bar vis flags
7344        WindowState fullscreenTransWin = isStatusBarKeyguard() && !mHideLockScreen
7345                ? mStatusBar
7346                : mTopFullscreenOpaqueWindowState;
7347        vis = mStatusBarController.applyTranslucentFlagLw(fullscreenTransWin, vis, oldVis);
7348        vis = mNavigationBarController.applyTranslucentFlagLw(fullscreenTransWin, vis, oldVis);
7349        final int dockedVis = mStatusBarController.applyTranslucentFlagLw(
7350                mTopDockedOpaqueWindowState, 0, 0);
7351
7352        final boolean fullscreenDrawsStatusBarBackground =
7353                (drawsSystemBarBackground(mTopFullscreenOpaqueWindowState)
7354                        && (vis & View.STATUS_BAR_TRANSLUCENT) == 0)
7355                || forcesDrawStatusBarBackground(mTopFullscreenOpaqueWindowState);
7356        final boolean dockedDrawsStatusBarBackground =
7357                (drawsSystemBarBackground(mTopDockedOpaqueWindowState)
7358                        && (dockedVis & View.STATUS_BAR_TRANSLUCENT) == 0)
7359                || forcesDrawStatusBarBackground(mTopDockedOpaqueWindowState);
7360
7361        // prevent status bar interaction from clearing certain flags
7362        int type = win.getAttrs().type;
7363        boolean statusBarHasFocus = type == TYPE_STATUS_BAR;
7364        if (statusBarHasFocus && !isStatusBarKeyguard()) {
7365            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
7366                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
7367                    | View.SYSTEM_UI_FLAG_IMMERSIVE
7368                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
7369                    | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7370            if (mHideLockScreen) {
7371                flags |= View.STATUS_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSLUCENT;
7372            }
7373            vis = (vis & ~flags) | (oldVis & flags);
7374        }
7375
7376        if (fullscreenDrawsStatusBarBackground && dockedDrawsStatusBarBackground) {
7377            vis |= View.STATUS_BAR_TRANSPARENT;
7378            vis &= ~View.STATUS_BAR_TRANSLUCENT;
7379        } else if ((!areTranslucentBarsAllowed() && fullscreenTransWin != mStatusBar)
7380                || forceOpaqueStatusBar) {
7381            vis &= ~(View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT);
7382        }
7383
7384        vis = configureNavBarOpacity(vis, dockedStackVisible, freeformStackVisible, resizing);
7385
7386        // update status bar
7387        boolean immersiveSticky =
7388                (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
7389        final boolean hideStatusBarWM =
7390                mTopFullscreenOpaqueWindowState != null
7391                && (PolicyControl.getWindowFlags(mTopFullscreenOpaqueWindowState, null)
7392                        & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0;
7393        final boolean hideStatusBarSysui =
7394                (vis & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
7395        final boolean hideNavBarSysui =
7396                (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0;
7397
7398        final boolean transientStatusBarAllowed = mStatusBar != null
7399                && (statusBarHasFocus || (!mForceShowSystemBars
7400                        && (hideStatusBarWM || (hideStatusBarSysui && immersiveSticky))));
7401
7402        final boolean transientNavBarAllowed = mNavigationBar != null
7403                && !mForceShowSystemBars && hideNavBarSysui && immersiveSticky;
7404
7405        final long now = SystemClock.uptimeMillis();
7406        final boolean pendingPanic = mPendingPanicGestureUptime != 0
7407                && now - mPendingPanicGestureUptime <= PANIC_GESTURE_EXPIRATION;
7408        if (pendingPanic && hideNavBarSysui && !isStatusBarKeyguard() && mKeyguardDrawComplete) {
7409            // The user performed the panic gesture recently, we're about to hide the bars,
7410            // we're no longer on the Keyguard and the screen is ready. We can now request the bars.
7411            mPendingPanicGestureUptime = 0;
7412            mStatusBarController.showTransient();
7413            mNavigationBarController.showTransient();
7414        }
7415
7416        final boolean denyTransientStatus = mStatusBarController.isTransientShowRequested()
7417                && !transientStatusBarAllowed && hideStatusBarSysui;
7418        final boolean denyTransientNav = mNavigationBarController.isTransientShowRequested()
7419                && !transientNavBarAllowed;
7420        if (denyTransientStatus || denyTransientNav || mForceShowSystemBars) {
7421            // clear the clearable flags instead
7422            clearClearableFlagsLw();
7423            vis &= ~View.SYSTEM_UI_CLEARABLE_FLAGS;
7424        }
7425
7426        final boolean immersive = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
7427        immersiveSticky = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
7428        final boolean navAllowedHidden = immersive || immersiveSticky;
7429
7430        if (hideNavBarSysui && !navAllowedHidden && windowTypeToLayerLw(win.getBaseType())
7431                > windowTypeToLayerLw(TYPE_INPUT_CONSUMER)) {
7432            // We can't hide the navbar from this window otherwise the input consumer would not get
7433            // the input events.
7434            vis = (vis & ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
7435        }
7436
7437        vis = mStatusBarController.updateVisibilityLw(transientStatusBarAllowed, oldVis, vis);
7438
7439        // update navigation bar
7440        boolean oldImmersiveMode = isImmersiveMode(oldVis);
7441        boolean newImmersiveMode = isImmersiveMode(vis);
7442        if (win != null && oldImmersiveMode != newImmersiveMode) {
7443            final String pkg = win.getOwningPackage();
7444            mImmersiveModeConfirmation.immersiveModeChangedLw(pkg, newImmersiveMode,
7445                    isUserSetupComplete());
7446        }
7447
7448        vis = mNavigationBarController.updateVisibilityLw(transientNavBarAllowed, oldVis, vis);
7449
7450        return vis;
7451    }
7452
7453    /**
7454     * @return the current visibility flags with the nav-bar opacity related flags toggled based
7455     *         on the nav bar opacity rules chosen by {@link #mNavBarOpacityMode}.
7456     */
7457    private int configureNavBarOpacity(int visibility, boolean dockedStackVisible,
7458            boolean freeformStackVisible, boolean isDockedDividerResizing) {
7459        if (mNavBarOpacityMode == NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED) {
7460            if (dockedStackVisible || freeformStackVisible || isDockedDividerResizing) {
7461                visibility = setNavBarOpaqueFlag(visibility);
7462            }
7463        } else if (mNavBarOpacityMode == NAV_BAR_TRANSLUCENT_WHEN_FREEFORM_OPAQUE_OTHERWISE) {
7464            if (isDockedDividerResizing) {
7465                visibility = setNavBarOpaqueFlag(visibility);
7466            } else if (freeformStackVisible) {
7467                visibility = setNavBarTranslucentFlag(visibility);
7468            } else {
7469                visibility = setNavBarOpaqueFlag(visibility);
7470            }
7471        }
7472
7473        if (!areTranslucentBarsAllowed()) {
7474            visibility &= ~View.NAVIGATION_BAR_TRANSLUCENT;
7475        }
7476        return visibility;
7477    }
7478
7479    private int setNavBarOpaqueFlag(int visibility) {
7480        return visibility &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT);
7481    }
7482
7483    private int setNavBarTranslucentFlag(int visibility) {
7484        visibility &= ~View.NAVIGATION_BAR_TRANSPARENT;
7485        return visibility |= View.NAVIGATION_BAR_TRANSLUCENT;
7486    }
7487
7488    private void clearClearableFlagsLw() {
7489        int newVal = mResettingSystemUiFlags | View.SYSTEM_UI_CLEARABLE_FLAGS;
7490        if (newVal != mResettingSystemUiFlags) {
7491            mResettingSystemUiFlags = newVal;
7492            mWindowManagerFuncs.reevaluateStatusBarVisibility();
7493        }
7494    }
7495
7496    private boolean isImmersiveMode(int vis) {
7497        final int flags = View.SYSTEM_UI_FLAG_IMMERSIVE | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
7498        return mNavigationBar != null
7499                && (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
7500                && (vis & flags) != 0
7501                && canHideNavigationBar();
7502    }
7503
7504    /**
7505     * @return whether the navigation or status bar can be made translucent
7506     *
7507     * This should return true unless touch exploration is not enabled or
7508     * R.boolean.config_enableTranslucentDecor is false.
7509     */
7510    private boolean areTranslucentBarsAllowed() {
7511        return mTranslucentDecorEnabled;
7512    }
7513
7514    // Use this instead of checking config_showNavigationBar so that it can be consistently
7515    // overridden by qemu.hw.mainkeys in the emulator.
7516    @Override
7517    public boolean hasNavigationBar() {
7518        return mHasNavigationBar;
7519    }
7520
7521    @Override
7522    public void setLastInputMethodWindowLw(WindowState ime, WindowState target) {
7523        mLastInputMethodWindow = ime;
7524        mLastInputMethodTargetWindow = target;
7525    }
7526
7527    @Override
7528    public int getInputMethodWindowVisibleHeightLw() {
7529        return mDockBottom - mCurBottom;
7530    }
7531
7532    @Override
7533    public void setCurrentUserLw(int newUserId) {
7534        mCurrentUserId = newUserId;
7535        if (mKeyguardDelegate != null) {
7536            mKeyguardDelegate.setCurrentUser(newUserId);
7537        }
7538        StatusBarManagerInternal statusBar = getStatusBarManagerInternal();
7539        if (statusBar != null) {
7540            statusBar.setCurrentUser(newUserId);
7541        }
7542        setLastInputMethodWindowLw(null, null);
7543    }
7544
7545    @Override
7546    public boolean canMagnifyWindow(int windowType) {
7547        switch (windowType) {
7548            case WindowManager.LayoutParams.TYPE_INPUT_METHOD:
7549            case WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG:
7550            case WindowManager.LayoutParams.TYPE_NAVIGATION_BAR:
7551            case WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY: {
7552                return false;
7553            }
7554        }
7555        return true;
7556    }
7557
7558    @Override
7559    public boolean isTopLevelWindow(int windowType) {
7560        if (windowType >= WindowManager.LayoutParams.FIRST_SUB_WINDOW
7561                && windowType <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
7562            return (windowType == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG);
7563        }
7564        return true;
7565    }
7566
7567    @Override
7568    public void dump(String prefix, PrintWriter pw, String[] args) {
7569        pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
7570                pw.print(" mSystemReady="); pw.print(mSystemReady);
7571                pw.print(" mSystemBooted="); pw.println(mSystemBooted);
7572        pw.print(prefix); pw.print("mLidState="); pw.print(mLidState);
7573                pw.print(" mLidOpenRotation="); pw.print(mLidOpenRotation);
7574                pw.print(" mCameraLensCoverState="); pw.print(mCameraLensCoverState);
7575                pw.print(" mHdmiPlugged="); pw.println(mHdmiPlugged);
7576        if (mLastSystemUiFlags != 0 || mResettingSystemUiFlags != 0
7577                || mForceClearedSystemUiFlags != 0) {
7578            pw.print(prefix); pw.print("mLastSystemUiFlags=0x");
7579                    pw.print(Integer.toHexString(mLastSystemUiFlags));
7580                    pw.print(" mResettingSystemUiFlags=0x");
7581                    pw.print(Integer.toHexString(mResettingSystemUiFlags));
7582                    pw.print(" mForceClearedSystemUiFlags=0x");
7583                    pw.println(Integer.toHexString(mForceClearedSystemUiFlags));
7584        }
7585        if (mLastFocusNeedsMenu) {
7586            pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
7587                    pw.println(mLastFocusNeedsMenu);
7588        }
7589        pw.print(prefix); pw.print("mWakeGestureEnabledSetting=");
7590                pw.println(mWakeGestureEnabledSetting);
7591
7592        pw.print(prefix); pw.print("mSupportAutoRotation="); pw.println(mSupportAutoRotation);
7593        pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
7594                pw.print(" mDockMode="); pw.print(mDockMode);
7595                pw.print(" mEnableCarDockHomeCapture="); pw.print(mEnableCarDockHomeCapture);
7596                pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
7597                pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
7598        pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);
7599                pw.print(" mUserRotation="); pw.print(mUserRotation);
7600                pw.print(" mAllowAllRotations="); pw.println(mAllowAllRotations);
7601        pw.print(prefix); pw.print("mCurrentAppOrientation="); pw.println(mCurrentAppOrientation);
7602        pw.print(prefix); pw.print("mCarDockEnablesAccelerometer=");
7603                pw.print(mCarDockEnablesAccelerometer);
7604                pw.print(" mDeskDockEnablesAccelerometer=");
7605                pw.println(mDeskDockEnablesAccelerometer);
7606        pw.print(prefix); pw.print("mLidKeyboardAccessibility=");
7607                pw.print(mLidKeyboardAccessibility);
7608                pw.print(" mLidNavigationAccessibility="); pw.print(mLidNavigationAccessibility);
7609                pw.print(" mLidControlsScreenLock="); pw.println(mLidControlsScreenLock);
7610                pw.print(" mLidControlsSleep="); pw.println(mLidControlsSleep);
7611        pw.print(prefix);
7612                pw.print(" mLongPressOnBackBehavior="); pw.println(mLongPressOnBackBehavior);
7613        pw.print(prefix);
7614                pw.print("mShortPressOnPowerBehavior="); pw.print(mShortPressOnPowerBehavior);
7615                pw.print(" mLongPressOnPowerBehavior="); pw.println(mLongPressOnPowerBehavior);
7616        pw.print(prefix);
7617                pw.print("mDoublePressOnPowerBehavior="); pw.print(mDoublePressOnPowerBehavior);
7618                pw.print(" mTriplePressOnPowerBehavior="); pw.println(mTriplePressOnPowerBehavior);
7619        pw.print(prefix); pw.print("mHasSoftInput="); pw.println(mHasSoftInput);
7620        pw.print(prefix); pw.print("mAwake="); pw.println(mAwake);
7621        pw.print(prefix); pw.print("mScreenOnEarly="); pw.print(mScreenOnEarly);
7622                pw.print(" mScreenOnFully="); pw.println(mScreenOnFully);
7623        pw.print(prefix); pw.print("mKeyguardDrawComplete="); pw.print(mKeyguardDrawComplete);
7624                pw.print(" mWindowManagerDrawComplete="); pw.println(mWindowManagerDrawComplete);
7625        pw.print(prefix); pw.print("mOrientationSensorEnabled=");
7626                pw.println(mOrientationSensorEnabled);
7627        pw.print(prefix); pw.print("mOverscanScreen=("); pw.print(mOverscanScreenLeft);
7628                pw.print(","); pw.print(mOverscanScreenTop);
7629                pw.print(") "); pw.print(mOverscanScreenWidth);
7630                pw.print("x"); pw.println(mOverscanScreenHeight);
7631        if (mOverscanLeft != 0 || mOverscanTop != 0
7632                || mOverscanRight != 0 || mOverscanBottom != 0) {
7633            pw.print(prefix); pw.print("mOverscan left="); pw.print(mOverscanLeft);
7634                    pw.print(" top="); pw.print(mOverscanTop);
7635                    pw.print(" right="); pw.print(mOverscanRight);
7636                    pw.print(" bottom="); pw.println(mOverscanBottom);
7637        }
7638        pw.print(prefix); pw.print("mRestrictedOverscanScreen=(");
7639                pw.print(mRestrictedOverscanScreenLeft);
7640                pw.print(","); pw.print(mRestrictedOverscanScreenTop);
7641                pw.print(") "); pw.print(mRestrictedOverscanScreenWidth);
7642                pw.print("x"); pw.println(mRestrictedOverscanScreenHeight);
7643        pw.print(prefix); pw.print("mUnrestrictedScreen=("); pw.print(mUnrestrictedScreenLeft);
7644                pw.print(","); pw.print(mUnrestrictedScreenTop);
7645                pw.print(") "); pw.print(mUnrestrictedScreenWidth);
7646                pw.print("x"); pw.println(mUnrestrictedScreenHeight);
7647        pw.print(prefix); pw.print("mRestrictedScreen=("); pw.print(mRestrictedScreenLeft);
7648                pw.print(","); pw.print(mRestrictedScreenTop);
7649                pw.print(") "); pw.print(mRestrictedScreenWidth);
7650                pw.print("x"); pw.println(mRestrictedScreenHeight);
7651        pw.print(prefix); pw.print("mStableFullscreen=("); pw.print(mStableFullscreenLeft);
7652                pw.print(","); pw.print(mStableFullscreenTop);
7653                pw.print(")-("); pw.print(mStableFullscreenRight);
7654                pw.print(","); pw.print(mStableFullscreenBottom); pw.println(")");
7655        pw.print(prefix); pw.print("mStable=("); pw.print(mStableLeft);
7656                pw.print(","); pw.print(mStableTop);
7657                pw.print(")-("); pw.print(mStableRight);
7658                pw.print(","); pw.print(mStableBottom); pw.println(")");
7659        pw.print(prefix); pw.print("mSystem=("); pw.print(mSystemLeft);
7660                pw.print(","); pw.print(mSystemTop);
7661                pw.print(")-("); pw.print(mSystemRight);
7662                pw.print(","); pw.print(mSystemBottom); pw.println(")");
7663        pw.print(prefix); pw.print("mCur=("); pw.print(mCurLeft);
7664                pw.print(","); pw.print(mCurTop);
7665                pw.print(")-("); pw.print(mCurRight);
7666                pw.print(","); pw.print(mCurBottom); pw.println(")");
7667        pw.print(prefix); pw.print("mContent=("); pw.print(mContentLeft);
7668                pw.print(","); pw.print(mContentTop);
7669                pw.print(")-("); pw.print(mContentRight);
7670                pw.print(","); pw.print(mContentBottom); pw.println(")");
7671        pw.print(prefix); pw.print("mVoiceContent=("); pw.print(mVoiceContentLeft);
7672                pw.print(","); pw.print(mVoiceContentTop);
7673                pw.print(")-("); pw.print(mVoiceContentRight);
7674                pw.print(","); pw.print(mVoiceContentBottom); pw.println(")");
7675        pw.print(prefix); pw.print("mDock=("); pw.print(mDockLeft);
7676                pw.print(","); pw.print(mDockTop);
7677                pw.print(")-("); pw.print(mDockRight);
7678                pw.print(","); pw.print(mDockBottom); pw.println(")");
7679        pw.print(prefix); pw.print("mDockLayer="); pw.print(mDockLayer);
7680                pw.print(" mStatusBarLayer="); pw.println(mStatusBarLayer);
7681        pw.print(prefix); pw.print("mShowingLockscreen="); pw.print(mShowingLockscreen);
7682                pw.print(" mShowingDream="); pw.print(mShowingDream);
7683                pw.print(" mDreamingLockscreen="); pw.print(mDreamingLockscreen);
7684                pw.print(" mDreamingSleepToken="); pw.println(mDreamingSleepToken);
7685        if (mLastInputMethodWindow != null) {
7686            pw.print(prefix); pw.print("mLastInputMethodWindow=");
7687                    pw.println(mLastInputMethodWindow);
7688        }
7689        if (mLastInputMethodTargetWindow != null) {
7690            pw.print(prefix); pw.print("mLastInputMethodTargetWindow=");
7691                    pw.println(mLastInputMethodTargetWindow);
7692        }
7693        if (mStatusBar != null) {
7694            pw.print(prefix); pw.print("mStatusBar=");
7695                    pw.print(mStatusBar); pw.print(" isStatusBarKeyguard=");
7696                    pw.println(isStatusBarKeyguard());
7697        }
7698        if (mNavigationBar != null) {
7699            pw.print(prefix); pw.print("mNavigationBar=");
7700                    pw.println(mNavigationBar);
7701        }
7702        if (mFocusedWindow != null) {
7703            pw.print(prefix); pw.print("mFocusedWindow=");
7704                    pw.println(mFocusedWindow);
7705        }
7706        if (mFocusedApp != null) {
7707            pw.print(prefix); pw.print("mFocusedApp=");
7708                    pw.println(mFocusedApp);
7709        }
7710        if (mWinDismissingKeyguard != null) {
7711            pw.print(prefix); pw.print("mWinDismissingKeyguard=");
7712                    pw.println(mWinDismissingKeyguard);
7713        }
7714        if (mTopFullscreenOpaqueWindowState != null) {
7715            pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
7716                    pw.println(mTopFullscreenOpaqueWindowState);
7717        }
7718        if (mTopFullscreenOpaqueOrDimmingWindowState != null) {
7719            pw.print(prefix); pw.print("mTopFullscreenOpaqueOrDimmingWindowState=");
7720                    pw.println(mTopFullscreenOpaqueOrDimmingWindowState);
7721        }
7722        if (mForcingShowNavBar) {
7723            pw.print(prefix); pw.print("mForcingShowNavBar=");
7724                    pw.println(mForcingShowNavBar); pw.print( "mForcingShowNavBarLayer=");
7725                    pw.println(mForcingShowNavBarLayer);
7726        }
7727        pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
7728                pw.print(" mHideLockScreen="); pw.println(mHideLockScreen);
7729        pw.print(prefix); pw.print("mForceStatusBar="); pw.print(mForceStatusBar);
7730                pw.print(" mForceStatusBarFromKeyguard=");
7731                pw.println(mForceStatusBarFromKeyguard);
7732        pw.print(prefix); pw.print("mDismissKeyguard="); pw.print(mDismissKeyguard);
7733                pw.print(" mWinDismissingKeyguard="); pw.print(mWinDismissingKeyguard);
7734                pw.print(" mHomePressed="); pw.println(mHomePressed);
7735        pw.print(prefix); pw.print("mAllowLockscreenWhenOn="); pw.print(mAllowLockscreenWhenOn);
7736                pw.print(" mLockScreenTimeout="); pw.print(mLockScreenTimeout);
7737                pw.print(" mLockScreenTimerActive="); pw.println(mLockScreenTimerActive);
7738        pw.print(prefix); pw.print("mEndcallBehavior="); pw.print(mEndcallBehavior);
7739                pw.print(" mIncallPowerBehavior="); pw.print(mIncallPowerBehavior);
7740                pw.print(" mLongPressOnHomeBehavior="); pw.println(mLongPressOnHomeBehavior);
7741        pw.print(prefix); pw.print("mLandscapeRotation="); pw.print(mLandscapeRotation);
7742                pw.print(" mSeascapeRotation="); pw.println(mSeascapeRotation);
7743        pw.print(prefix); pw.print("mPortraitRotation="); pw.print(mPortraitRotation);
7744                pw.print(" mUpsideDownRotation="); pw.println(mUpsideDownRotation);
7745        pw.print(prefix); pw.print("mDemoHdmiRotation="); pw.print(mDemoHdmiRotation);
7746                pw.print(" mDemoHdmiRotationLock="); pw.println(mDemoHdmiRotationLock);
7747        pw.print(prefix); pw.print("mUndockedHdmiRotation="); pw.println(mUndockedHdmiRotation);
7748
7749        mGlobalKeyManager.dump(prefix, pw);
7750        mStatusBarController.dump(pw, prefix);
7751        mNavigationBarController.dump(pw, prefix);
7752        PolicyControl.dump(prefix, pw);
7753
7754        if (mWakeGestureListener != null) {
7755            mWakeGestureListener.dump(pw, prefix);
7756        }
7757        if (mOrientationListener != null) {
7758            mOrientationListener.dump(pw, prefix);
7759        }
7760        if (mBurnInProtectionHelper != null) {
7761            mBurnInProtectionHelper.dump(prefix, pw);
7762        }
7763        if (mKeyguardDelegate != null) {
7764            mKeyguardDelegate.dump(prefix, pw);
7765        }
7766    }
7767}
7768