PhoneWindowManager.java revision d3b28408d1b9d36c27e4d1cfafe8c3097579961b 
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 android.app.ActivityManager;
20import android.app.ActivityManagerNative;
21import android.app.AppOpsManager;
22import android.app.IUiModeManager;
23import android.app.ProgressDialog;
24import android.app.SearchManager;
25import android.app.StatusBarManager;
26import android.app.UiModeManager;
27import android.content.ActivityNotFoundException;
28import android.content.BroadcastReceiver;
29import android.content.ComponentName;
30import android.content.ContentResolver;
31import android.content.Context;
32import android.content.Intent;
33import android.content.IntentFilter;
34import android.content.ServiceConnection;
35import android.content.pm.ActivityInfo;
36import android.content.pm.PackageManager;
37import android.content.pm.ResolveInfo;
38import android.content.res.CompatibilityInfo;
39import android.content.res.Configuration;
40import android.content.res.Resources;
41import android.content.res.TypedArray;
42import android.database.ContentObserver;
43import android.graphics.PixelFormat;
44import android.graphics.Rect;
45import android.media.AudioAttributes;
46import android.media.AudioManager;
47import android.media.AudioSystem;
48import android.media.IAudioService;
49import android.media.Ringtone;
50import android.media.RingtoneManager;
51import android.media.session.MediaSessionLegacyHelper;
52import android.os.Bundle;
53import android.os.Debug;
54import android.os.FactoryTest;
55import android.os.Handler;
56import android.os.IBinder;
57import android.os.Looper;
58import android.os.Message;
59import android.os.Messenger;
60import android.os.PowerManager;
61import android.os.RemoteException;
62import android.os.ServiceManager;
63import android.os.SystemClock;
64import android.os.SystemProperties;
65import android.os.UEventObserver;
66import android.os.UserHandle;
67import android.os.Vibrator;
68import android.provider.MediaStore;
69import android.provider.Settings;
70import android.service.dreams.DreamManagerInternal;
71import android.service.dreams.DreamService;
72import android.service.dreams.IDreamManager;
73import android.speech.RecognizerIntent;
74import android.telecom.TelecomManager;
75import android.util.DisplayMetrics;
76import android.util.EventLog;
77import android.util.Log;
78import android.util.Slog;
79import android.util.SparseArray;
80import android.view.Display;
81import android.view.Gravity;
82import android.view.HapticFeedbackConstants;
83import android.view.IApplicationToken;
84import android.view.IWindowManager;
85import android.view.InputChannel;
86import android.view.InputDevice;
87import android.view.InputEvent;
88import android.view.InputEventReceiver;
89import android.view.KeyCharacterMap;
90import android.view.KeyCharacterMap.FallbackAction;
91import android.view.KeyEvent;
92import android.view.MotionEvent;
93import android.view.PhoneWindow;
94import android.view.Surface;
95import android.view.View;
96import android.view.ViewConfiguration;
97import android.view.Window;
98import android.view.WindowManager;
99import android.view.WindowManagerGlobal;
100import android.view.WindowManagerInternal;
101import android.view.WindowManagerPolicy;
102import android.view.accessibility.AccessibilityEvent;
103import android.view.accessibility.AccessibilityManager;
104import android.view.animation.Animation;
105import android.view.animation.AnimationSet;
106import android.view.animation.AnimationUtils;
107import com.android.internal.R;
108import com.android.internal.statusbar.IStatusBarService;
109import com.android.internal.widget.PointerLocationView;
110import com.android.server.LocalServices;
111import com.android.server.policy.keyguard.KeyguardServiceDelegate;
112import com.android.server.policy.keyguard.KeyguardServiceDelegate.ShowListener;
113
114import java.io.File;
115import java.io.FileReader;
116import java.io.IOException;
117import java.io.PrintWriter;
118import java.util.HashSet;
119import java.util.List;
120
121import static android.view.WindowManager.LayoutParams.*;
122import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_ABSENT;
123import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_OPEN;
124import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_CLOSED;
125import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVER_ABSENT;
126import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_UNCOVERED;
127import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVERED;
128
129/**
130 * WindowManagerPolicy implementation for the Android phone UI.  This
131 * introduces a new method suffix, Lp, for an internal lock of the
132 * PhoneWindowManager.  This is used to protect some internal state, and
133 * can be acquired with either the Lw and Li lock held, so has the restrictions
134 * of both of those when held.
135 */
136public class PhoneWindowManager implements WindowManagerPolicy {
137    static final String TAG = "WindowManager";
138    static final boolean DEBUG = false;
139    static final boolean localLOGV = false;
140    static final boolean DEBUG_INPUT = false;
141    static final boolean DEBUG_KEYGUARD = false;
142    static final boolean DEBUG_LAYOUT = false;
143    static final boolean DEBUG_STARTING_WINDOW = false;
144    static final boolean DEBUG_WAKEUP = false;
145    static final boolean SHOW_STARTING_ANIMATIONS = true;
146    static final boolean SHOW_PROCESSES_ON_ALT_MENU = false;
147
148    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
149    // No longer recommended for desk docks; still useful in car docks.
150    static final boolean ENABLE_CAR_DOCK_HOME_CAPTURE = true;
151    static final boolean ENABLE_DESK_DOCK_HOME_CAPTURE = false;
152
153    static final int SHORT_PRESS_POWER_NOTHING = 0;
154    static final int SHORT_PRESS_POWER_GO_TO_SLEEP = 1;
155    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP = 2;
156    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME = 3;
157    static final int SHORT_PRESS_POWER_GO_HOME = 4;
158
159    static final int LONG_PRESS_POWER_NOTHING = 0;
160    static final int LONG_PRESS_POWER_GLOBAL_ACTIONS = 1;
161    static final int LONG_PRESS_POWER_SHUT_OFF = 2;
162    static final int LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM = 3;
163
164    static final int MULTI_PRESS_POWER_NOTHING = 0;
165    static final int MULTI_PRESS_POWER_THEATER_MODE = 1;
166    static final int MULTI_PRESS_POWER_BRIGHTNESS_BOOST = 2;
167
168    // These need to match the documentation/constant in
169    // core/res/res/values/config.xml
170    static final int LONG_PRESS_HOME_NOTHING = 0;
171    static final int LONG_PRESS_HOME_RECENT_SYSTEM_UI = 1;
172    static final int LONG_PRESS_HOME_ASSIST = 2;
173
174    static final int DOUBLE_TAP_HOME_NOTHING = 0;
175    static final int DOUBLE_TAP_HOME_RECENT_SYSTEM_UI = 1;
176
177    static final int APPLICATION_MEDIA_SUBLAYER = -2;
178    static final int APPLICATION_MEDIA_OVERLAY_SUBLAYER = -1;
179    static final int APPLICATION_PANEL_SUBLAYER = 1;
180    static final int APPLICATION_SUB_PANEL_SUBLAYER = 2;
181
182    static public final String SYSTEM_DIALOG_REASON_KEY = "reason";
183    static public final String SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS = "globalactions";
184    static public final String SYSTEM_DIALOG_REASON_RECENT_APPS = "recentapps";
185    static public final String SYSTEM_DIALOG_REASON_HOME_KEY = "homekey";
186    static public final String SYSTEM_DIALOG_REASON_ASSIST = "assist";
187
188    /**
189     * These are the system UI flags that, when changing, can cause the layout
190     * of the screen to change.
191     */
192    static final int SYSTEM_UI_CHANGING_LAYOUT =
193              View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
194            | View.SYSTEM_UI_FLAG_FULLSCREEN
195            | View.STATUS_BAR_TRANSLUCENT
196            | View.NAVIGATION_BAR_TRANSLUCENT
197            | View.SYSTEM_UI_TRANSPARENT;
198
199    private static final AudioAttributes VIBRATION_ATTRIBUTES = new AudioAttributes.Builder()
200            .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
201            .setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION)
202            .build();
203
204    /**
205     * Keyguard stuff
206     */
207    private WindowState mKeyguardScrim;
208    private boolean mKeyguardHidden;
209    private boolean mKeyguardDrawnOnce;
210
211    /* Table of Application Launch keys.  Maps from key codes to intent categories.
212     *
213     * These are special keys that are used to launch particular kinds of applications,
214     * such as a web browser.  HID defines nearly a hundred of them in the Consumer (0x0C)
215     * usage page.  We don't support quite that many yet...
216     */
217    static SparseArray<String> sApplicationLaunchKeyCategories;
218    static {
219        sApplicationLaunchKeyCategories = new SparseArray<String>();
220        sApplicationLaunchKeyCategories.append(
221                KeyEvent.KEYCODE_EXPLORER, Intent.CATEGORY_APP_BROWSER);
222        sApplicationLaunchKeyCategories.append(
223                KeyEvent.KEYCODE_ENVELOPE, Intent.CATEGORY_APP_EMAIL);
224        sApplicationLaunchKeyCategories.append(
225                KeyEvent.KEYCODE_CONTACTS, Intent.CATEGORY_APP_CONTACTS);
226        sApplicationLaunchKeyCategories.append(
227                KeyEvent.KEYCODE_CALENDAR, Intent.CATEGORY_APP_CALENDAR);
228        sApplicationLaunchKeyCategories.append(
229                KeyEvent.KEYCODE_MUSIC, Intent.CATEGORY_APP_MUSIC);
230        sApplicationLaunchKeyCategories.append(
231                KeyEvent.KEYCODE_CALCULATOR, Intent.CATEGORY_APP_CALCULATOR);
232    }
233
234    /** Amount of time (in milliseconds) to wait for windows drawn before powering on. */
235    static final int WAITING_FOR_DRAWN_TIMEOUT = 1000;
236
237    /**
238     * Lock protecting internal state.  Must not call out into window
239     * manager with lock held.  (This lock will be acquired in places
240     * where the window manager is calling in with its own lock held.)
241     */
242    private final Object mLock = new Object();
243
244    Context mContext;
245    IWindowManager mWindowManager;
246    WindowManagerFuncs mWindowManagerFuncs;
247    WindowManagerInternal mWindowManagerInternal;
248    PowerManager mPowerManager;
249    DreamManagerInternal mDreamManagerInternal;
250    IStatusBarService mStatusBarService;
251    boolean mPreloadedRecentApps;
252    final Object mServiceAquireLock = new Object();
253    Vibrator mVibrator; // Vibrator for giving feedback of orientation changes
254    SearchManager mSearchManager;
255    AccessibilityManager mAccessibilityManager;
256    BurnInProtectionHelper mBurnInProtectionHelper;
257
258    // Vibrator pattern for haptic feedback of a long press.
259    long[] mLongPressVibePattern;
260
261    // Vibrator pattern for haptic feedback of virtual key press.
262    long[] mVirtualKeyVibePattern;
263
264    // Vibrator pattern for a short vibration.
265    long[] mKeyboardTapVibePattern;
266
267    // Vibrator pattern for a short vibration when tapping on an hour/minute tick of a Clock.
268    long[] mClockTickVibePattern;
269
270    // Vibrator pattern for a short vibration when tapping on a day/month/year date of a Calendar.
271    long[] mCalendarDateVibePattern;
272
273    // Vibrator pattern for haptic feedback during boot when safe mode is disabled.
274    long[] mSafeModeDisabledVibePattern;
275
276    // Vibrator pattern for haptic feedback during boot when safe mode is enabled.
277    long[] mSafeModeEnabledVibePattern;
278
279    /** If true, hitting shift & menu will broadcast Intent.ACTION_BUG_REPORT */
280    boolean mEnableShiftMenuBugReports = false;
281
282    boolean mSafeMode;
283    WindowState mStatusBar = null;
284    int mStatusBarHeight;
285    WindowState mNavigationBar = null;
286    boolean mHasNavigationBar = false;
287    boolean mCanHideNavigationBar = false;
288    boolean mNavigationBarCanMove = false; // can the navigation bar ever move to the side?
289    boolean mNavigationBarOnBottom = true; // is the navigation bar on the bottom *right now*?
290    int[] mNavigationBarHeightForRotation = new int[4];
291    int[] mNavigationBarWidthForRotation = new int[4];
292
293    boolean mBootMessageNeedsHiding;
294    KeyguardServiceDelegate mKeyguardDelegate;
295    final Runnable mWindowManagerDrawCallback = new Runnable() {
296        @Override
297        public void run() {
298            if (DEBUG_WAKEUP) Slog.i(TAG, "All windows ready for display!");
299            mHandler.sendEmptyMessage(MSG_WINDOW_MANAGER_DRAWN_COMPLETE);
300        }
301    };
302    final ShowListener mKeyguardDelegateCallback = new ShowListener() {
303        @Override
304        public void onShown(IBinder windowToken) {
305            if (DEBUG_WAKEUP) Slog.d(TAG, "mKeyguardDelegate.ShowListener.onShown.");
306            mHandler.sendEmptyMessage(MSG_KEYGUARD_DRAWN_COMPLETE);
307        }
308    };
309
310    GlobalActions mGlobalActions;
311    Handler mHandler;
312    WindowState mLastInputMethodWindow = null;
313    WindowState mLastInputMethodTargetWindow = null;
314
315    // FIXME This state is shared between the input reader and handler thread.
316    // Technically it's broken and buggy but it has been like this for many years
317    // and we have not yet seen any problems.  Someday we'll rewrite this logic
318    // so that only one thread is involved in handling input policy.  Unfortunately
319    // it's on a critical path for power management so we can't just post the work to the
320    // handler thread.  We'll need to resolve this someday by teaching the input dispatcher
321    // to hold wakelocks during dispatch and eliminating the critical path.
322    volatile boolean mPowerKeyHandled;
323    volatile boolean mBeganFromNonInteractive;
324    volatile int mPowerKeyPressCounter;
325    volatile boolean mEndCallKeyHandled;
326
327    boolean mRecentsVisible;
328    int mRecentAppsHeldModifiers;
329    boolean mLanguageSwitchKeyPressed;
330
331    int mLidState = LID_ABSENT;
332    int mCameraLensCoverState = CAMERA_LENS_COVER_ABSENT;
333    boolean mHaveBuiltInKeyboard;
334
335    boolean mSystemReady;
336    boolean mSystemBooted;
337    boolean mHdmiPlugged;
338    IUiModeManager mUiModeManager;
339    int mUiMode;
340    int mDockMode = Intent.EXTRA_DOCK_STATE_UNDOCKED;
341    int mLidOpenRotation;
342    int mCarDockRotation;
343    int mDeskDockRotation;
344    int mUndockedHdmiRotation;
345    int mDemoHdmiRotation;
346    boolean mDemoHdmiRotationLock;
347    int mDemoRotation;
348    boolean mDemoRotationLock;
349
350    boolean mWakeGestureEnabledSetting;
351    MyWakeGestureListener mWakeGestureListener;
352
353    // Default display does not rotate, apps that require non-default orientation will have to
354    // have the orientation emulated.
355    private boolean mForceDefaultOrientation = false;
356
357    int mUserRotationMode = WindowManagerPolicy.USER_ROTATION_FREE;
358    int mUserRotation = Surface.ROTATION_0;
359    boolean mAccelerometerDefault;
360
361    boolean mSupportAutoRotation;
362    int mAllowAllRotations = -1;
363    boolean mCarDockEnablesAccelerometer;
364    boolean mDeskDockEnablesAccelerometer;
365    int mLidKeyboardAccessibility;
366    int mLidNavigationAccessibility;
367    boolean mLidControlsSleep;
368    int mShortPressOnPowerBehavior;
369    int mLongPressOnPowerBehavior;
370    int mDoublePressOnPowerBehavior;
371    int mTriplePressOnPowerBehavior;
372    boolean mAwake;
373    boolean mScreenOnEarly;
374    boolean mScreenOnFully;
375    ScreenOnListener mScreenOnListener;
376    boolean mKeyguardDrawComplete;
377    boolean mWindowManagerDrawComplete;
378    boolean mOrientationSensorEnabled = false;
379    int mCurrentAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
380    boolean mHasSoftInput = false;
381    boolean mTranslucentDecorEnabled = true;
382    boolean mUseTvRouting;
383
384    int mPointerLocationMode = 0; // guarded by mLock
385
386    // The last window we were told about in focusChanged.
387    WindowState mFocusedWindow;
388    IApplicationToken mFocusedApp;
389
390    PointerLocationView mPointerLocationView;
391
392    // The current size of the screen; really; extends into the overscan area of
393    // the screen and doesn't account for any system elements like the status bar.
394    int mOverscanScreenLeft, mOverscanScreenTop;
395    int mOverscanScreenWidth, mOverscanScreenHeight;
396    // The current visible size of the screen; really; (ir)regardless of whether the status
397    // bar can be hidden but not extending into the overscan area.
398    int mUnrestrictedScreenLeft, mUnrestrictedScreenTop;
399    int mUnrestrictedScreenWidth, mUnrestrictedScreenHeight;
400    // Like mOverscanScreen*, but allowed to move into the overscan region where appropriate.
401    int mRestrictedOverscanScreenLeft, mRestrictedOverscanScreenTop;
402    int mRestrictedOverscanScreenWidth, mRestrictedOverscanScreenHeight;
403    // The current size of the screen; these may be different than (0,0)-(dw,dh)
404    // if the status bar can't be hidden; in that case it effectively carves out
405    // that area of the display from all other windows.
406    int mRestrictedScreenLeft, mRestrictedScreenTop;
407    int mRestrictedScreenWidth, mRestrictedScreenHeight;
408    // During layout, the current screen borders accounting for any currently
409    // visible system UI elements.
410    int mSystemLeft, mSystemTop, mSystemRight, mSystemBottom;
411    // For applications requesting stable content insets, these are them.
412    int mStableLeft, mStableTop, mStableRight, mStableBottom;
413    // For applications requesting stable content insets but have also set the
414    // fullscreen window flag, these are the stable dimensions without the status bar.
415    int mStableFullscreenLeft, mStableFullscreenTop;
416    int mStableFullscreenRight, mStableFullscreenBottom;
417    // During layout, the current screen borders with all outer decoration
418    // (status bar, input method dock) accounted for.
419    int mCurLeft, mCurTop, mCurRight, mCurBottom;
420    // During layout, the frame in which content should be displayed
421    // to the user, accounting for all screen decoration except for any
422    // space they deem as available for other content.  This is usually
423    // the same as mCur*, but may be larger if the screen decor has supplied
424    // content insets.
425    int mContentLeft, mContentTop, mContentRight, mContentBottom;
426    // During layout, the frame in which voice content should be displayed
427    // to the user, accounting for all screen decoration except for any
428    // space they deem as available for other content.
429    int mVoiceContentLeft, mVoiceContentTop, mVoiceContentRight, mVoiceContentBottom;
430    // During layout, the current screen borders along which input method
431    // windows are placed.
432    int mDockLeft, mDockTop, mDockRight, mDockBottom;
433    // During layout, the layer at which the doc window is placed.
434    int mDockLayer;
435    // During layout, this is the layer of the status bar.
436    int mStatusBarLayer;
437    int mLastSystemUiFlags;
438    // Bits that we are in the process of clearing, so we want to prevent
439    // them from being set by applications until everything has been updated
440    // to have them clear.
441    int mResettingSystemUiFlags = 0;
442    // Bits that we are currently always keeping cleared.
443    int mForceClearedSystemUiFlags = 0;
444    // What we last reported to system UI about whether the compatibility
445    // menu needs to be displayed.
446    boolean mLastFocusNeedsMenu = false;
447
448    FakeWindow mHideNavFakeWindow = null;
449
450    static final Rect mTmpParentFrame = new Rect();
451    static final Rect mTmpDisplayFrame = new Rect();
452    static final Rect mTmpOverscanFrame = new Rect();
453    static final Rect mTmpContentFrame = new Rect();
454    static final Rect mTmpVisibleFrame = new Rect();
455    static final Rect mTmpDecorFrame = new Rect();
456    static final Rect mTmpStableFrame = new Rect();
457    static final Rect mTmpNavigationFrame = new Rect();
458
459    WindowState mTopFullscreenOpaqueWindowState;
460    WindowState mTopFullscreenOpaqueOrDimmingWindowState;
461    HashSet<IApplicationToken> mAppsToBeHidden = new HashSet<IApplicationToken>();
462    HashSet<IApplicationToken> mAppsThatDismissKeyguard = new HashSet<IApplicationToken>();
463    boolean mTopIsFullscreen;
464    boolean mForceStatusBar;
465    boolean mForceStatusBarFromKeyguard;
466    boolean mHideLockScreen;
467    boolean mForcingShowNavBar;
468    int mForcingShowNavBarLayer;
469
470    // States of keyguard dismiss.
471    private static final int DISMISS_KEYGUARD_NONE = 0; // Keyguard not being dismissed.
472    private static final int DISMISS_KEYGUARD_START = 1; // Keyguard needs to be dismissed.
473    private static final int DISMISS_KEYGUARD_CONTINUE = 2; // Keyguard has been dismissed.
474    int mDismissKeyguard = DISMISS_KEYGUARD_NONE;
475
476    /** The window that is currently dismissing the keyguard. Dismissing the keyguard must only
477     * be done once per window. */
478    private WindowState mWinDismissingKeyguard;
479
480    /** The window that is currently showing "over" the keyguard. If there is an app window
481     * belonging to another app on top of this the keyguard shows. If there is a fullscreen
482     * app window under this, still dismiss the keyguard but don't show the app underneath. Show
483     * the wallpaper. */
484    private WindowState mWinShowWhenLocked;
485
486    boolean mShowingLockscreen;
487    boolean mShowingDream;
488    boolean mDreamingLockscreen;
489    boolean mKeyguardSecure;
490    boolean mKeyguardSecureIncludingHidden;
491    volatile boolean mKeyguardOccluded;
492    boolean mHomePressed;
493    boolean mHomeConsumed;
494    boolean mHomeDoubleTapPending;
495    Intent mHomeIntent;
496    Intent mCarDockIntent;
497    Intent mDeskDockIntent;
498    boolean mSearchKeyShortcutPending;
499    boolean mConsumeSearchKeyUp;
500    boolean mAssistKeyLongPressed;
501    boolean mPendingMetaAction;
502
503    // support for activating the lock screen while the screen is on
504    boolean mAllowLockscreenWhenOn;
505    int mLockScreenTimeout;
506    boolean mLockScreenTimerActive;
507
508    // Behavior of ENDCALL Button.  (See Settings.System.END_BUTTON_BEHAVIOR.)
509    int mEndcallBehavior;
510
511    // Behavior of POWER button while in-call and screen on.
512    // (See Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR.)
513    int mIncallPowerBehavior;
514
515    Display mDisplay;
516
517    int mLandscapeRotation = 0;  // default landscape rotation
518    int mSeascapeRotation = 0;   // "other" landscape rotation, 180 degrees from mLandscapeRotation
519    int mPortraitRotation = 0;   // default portrait rotation
520    int mUpsideDownRotation = 0; // "other" portrait rotation
521
522    int mOverscanLeft = 0;
523    int mOverscanTop = 0;
524    int mOverscanRight = 0;
525    int mOverscanBottom = 0;
526
527    // What we do when the user long presses on home
528    private int mLongPressOnHomeBehavior;
529
530    // What we do when the user double-taps on home
531    private int mDoubleTapOnHomeBehavior;
532
533    // Allowed theater mode wake actions
534    private boolean mAllowTheaterModeWakeFromKey;
535    private boolean mAllowTheaterModeWakeFromPowerKey;
536    private boolean mAllowTheaterModeWakeFromMotion;
537    private boolean mAllowTheaterModeWakeFromMotionWhenNotDreaming;
538    private boolean mAllowTheaterModeWakeFromCameraLens;
539    private boolean mAllowTheaterModeWakeFromLidSwitch;
540    private boolean mAllowTheaterModeWakeFromWakeGesture;
541
542    // Whether to support long press from power button in non-interactive mode
543    private boolean mSupportLongPressPowerWhenNonInteractive;
544
545    // Whether to go to sleep entering theater mode from power button
546    private boolean mGoToSleepOnButtonPressTheaterMode;
547
548    // Screenshot trigger states
549    // Time to volume and power must be pressed within this interval of each other.
550    private static final long SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS = 150;
551    // Increase the chord delay when taking a screenshot from the keyguard
552    private static final float KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER = 2.5f;
553    private boolean mScreenshotChordEnabled;
554    private boolean mScreenshotChordVolumeDownKeyTriggered;
555    private long mScreenshotChordVolumeDownKeyTime;
556    private boolean mScreenshotChordVolumeDownKeyConsumed;
557    private boolean mScreenshotChordVolumeUpKeyTriggered;
558    private boolean mScreenshotChordPowerKeyTriggered;
559    private long mScreenshotChordPowerKeyTime;
560
561    /* The number of steps between min and max brightness */
562    private static final int BRIGHTNESS_STEPS = 10;
563
564    SettingsObserver mSettingsObserver;
565    ShortcutManager mShortcutManager;
566    PowerManager.WakeLock mBroadcastWakeLock;
567    PowerManager.WakeLock mPowerKeyWakeLock;
568    boolean mHavePendingMediaKeyRepeatWithWakeLock;
569
570    private int mCurrentUserId;
571
572    // Maps global key codes to the components that will handle them.
573    private GlobalKeyManager mGlobalKeyManager;
574
575    // Fallback actions by key code.
576    private final SparseArray<KeyCharacterMap.FallbackAction> mFallbackActions =
577            new SparseArray<KeyCharacterMap.FallbackAction>();
578
579    private final LogDecelerateInterpolator mLogDecelerateInterpolator
580            = new LogDecelerateInterpolator(100, 0);
581
582    private static final int MSG_ENABLE_POINTER_LOCATION = 1;
583    private static final int MSG_DISABLE_POINTER_LOCATION = 2;
584    private static final int MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK = 3;
585    private static final int MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK = 4;
586    private static final int MSG_KEYGUARD_DRAWN_COMPLETE = 5;
587    private static final int MSG_KEYGUARD_DRAWN_TIMEOUT = 6;
588    private static final int MSG_WINDOW_MANAGER_DRAWN_COMPLETE = 7;
589    private static final int MSG_DISPATCH_SHOW_RECENTS = 9;
590    private static final int MSG_DISPATCH_SHOW_GLOBAL_ACTIONS = 10;
591    private static final int MSG_HIDE_BOOT_MESSAGE = 11;
592    private static final int MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK = 12;
593    private static final int MSG_POWER_DELAYED_PRESS = 13;
594    private static final int MSG_POWER_LONG_PRESS = 14;
595
596    private class PolicyHandler extends Handler {
597        @Override
598        public void handleMessage(Message msg) {
599            switch (msg.what) {
600                case MSG_ENABLE_POINTER_LOCATION:
601                    enablePointerLocation();
602                    break;
603                case MSG_DISABLE_POINTER_LOCATION:
604                    disablePointerLocation();
605                    break;
606                case MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK:
607                    dispatchMediaKeyWithWakeLock((KeyEvent)msg.obj);
608                    break;
609                case MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK:
610                    dispatchMediaKeyRepeatWithWakeLock((KeyEvent)msg.obj);
611                    break;
612                case MSG_DISPATCH_SHOW_RECENTS:
613                    showRecentApps(false);
614                    break;
615                case MSG_DISPATCH_SHOW_GLOBAL_ACTIONS:
616                    showGlobalActionsInternal();
617                    break;
618                case MSG_KEYGUARD_DRAWN_COMPLETE:
619                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mKeyguardDrawComplete");
620                    finishKeyguardDrawn();
621                    break;
622                case MSG_KEYGUARD_DRAWN_TIMEOUT:
623                    Slog.w(TAG, "Keyguard drawn timeout. Setting mKeyguardDrawComplete");
624                    finishKeyguardDrawn();
625                    break;
626                case MSG_WINDOW_MANAGER_DRAWN_COMPLETE:
627                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mWindowManagerDrawComplete");
628                    finishWindowsDrawn();
629                    break;
630                case MSG_HIDE_BOOT_MESSAGE:
631                    handleHideBootMessage();
632                    break;
633                case MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK:
634                    launchVoiceAssistWithWakeLock(msg.arg1 != 0);
635                    break;
636                case MSG_POWER_DELAYED_PRESS:
637                    powerPress((Long)msg.obj, msg.arg1 != 0, msg.arg2);
638                    finishPowerKeyPress();
639                    break;
640                case MSG_POWER_LONG_PRESS:
641                    powerLongPress();
642                    break;
643            }
644        }
645    }
646
647    private UEventObserver mHDMIObserver = new UEventObserver() {
648        @Override
649        public void onUEvent(UEventObserver.UEvent event) {
650            setHdmiPlugged("1".equals(event.get("SWITCH_STATE")));
651        }
652    };
653
654    class SettingsObserver extends ContentObserver {
655        SettingsObserver(Handler handler) {
656            super(handler);
657        }
658
659        void observe() {
660            // Observe all users' changes
661            ContentResolver resolver = mContext.getContentResolver();
662            resolver.registerContentObserver(Settings.System.getUriFor(
663                    Settings.System.END_BUTTON_BEHAVIOR), false, this,
664                    UserHandle.USER_ALL);
665            resolver.registerContentObserver(Settings.Secure.getUriFor(
666                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR), false, this,
667                    UserHandle.USER_ALL);
668            resolver.registerContentObserver(Settings.Secure.getUriFor(
669                    Settings.Secure.WAKE_GESTURE_ENABLED), false, this,
670                    UserHandle.USER_ALL);
671            resolver.registerContentObserver(Settings.System.getUriFor(
672                    Settings.System.ACCELEROMETER_ROTATION), false, this,
673                    UserHandle.USER_ALL);
674            resolver.registerContentObserver(Settings.System.getUriFor(
675                    Settings.System.USER_ROTATION), false, this,
676                    UserHandle.USER_ALL);
677            resolver.registerContentObserver(Settings.System.getUriFor(
678                    Settings.System.SCREEN_OFF_TIMEOUT), false, this,
679                    UserHandle.USER_ALL);
680            resolver.registerContentObserver(Settings.System.getUriFor(
681                    Settings.System.POINTER_LOCATION), false, this,
682                    UserHandle.USER_ALL);
683            resolver.registerContentObserver(Settings.Secure.getUriFor(
684                    Settings.Secure.DEFAULT_INPUT_METHOD), false, this,
685                    UserHandle.USER_ALL);
686            resolver.registerContentObserver(Settings.Secure.getUriFor(
687                    Settings.Secure.IMMERSIVE_MODE_CONFIRMATIONS), false, this,
688                    UserHandle.USER_ALL);
689            resolver.registerContentObserver(Settings.Global.getUriFor(
690                    Settings.Global.POLICY_CONTROL), false, this,
691                    UserHandle.USER_ALL);
692            updateSettings();
693        }
694
695        @Override public void onChange(boolean selfChange) {
696            updateSettings();
697            updateRotation(false);
698        }
699    }
700
701    class MyWakeGestureListener extends WakeGestureListener {
702        MyWakeGestureListener(Context context, Handler handler) {
703            super(context, handler);
704        }
705
706        @Override
707        public void onWakeUp() {
708            synchronized (mLock) {
709                if (shouldEnableWakeGestureLp()) {
710                    performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
711                    wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromWakeGesture);
712                }
713            }
714        }
715    }
716
717    class MyOrientationListener extends WindowOrientationListener {
718        MyOrientationListener(Context context, Handler handler) {
719            super(context, handler);
720        }
721
722        @Override
723        public void onProposedRotationChanged(int rotation) {
724            if (localLOGV) Slog.v(TAG, "onProposedRotationChanged, rotation=" + rotation);
725            updateRotation(false);
726        }
727    }
728    MyOrientationListener mOrientationListener;
729
730    private final StatusBarController mStatusBarController = new StatusBarController();
731
732    private final BarController mNavigationBarController = new BarController("NavigationBar",
733            View.NAVIGATION_BAR_TRANSIENT,
734            View.NAVIGATION_BAR_UNHIDE,
735            View.NAVIGATION_BAR_TRANSLUCENT,
736            StatusBarManager.WINDOW_NAVIGATION_BAR,
737            WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
738
739    private ImmersiveModeConfirmation mImmersiveModeConfirmation;
740
741    private SystemGesturesPointerEventListener mSystemGestures;
742
743    IStatusBarService getStatusBarService() {
744        synchronized (mServiceAquireLock) {
745            if (mStatusBarService == null) {
746                mStatusBarService = IStatusBarService.Stub.asInterface(
747                        ServiceManager.getService("statusbar"));
748            }
749            return mStatusBarService;
750        }
751    }
752
753    /*
754     * We always let the sensor be switched on by default except when
755     * the user has explicitly disabled sensor based rotation or when the
756     * screen is switched off.
757     */
758    boolean needSensorRunningLp() {
759        if (mSupportAutoRotation) {
760            if (mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
761                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
762                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT
763                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE) {
764                // If the application has explicitly requested to follow the
765                // orientation, then we need to turn the sensor on.
766                return true;
767            }
768        }
769        if ((mCarDockEnablesAccelerometer && mDockMode == Intent.EXTRA_DOCK_STATE_CAR) ||
770                (mDeskDockEnablesAccelerometer && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
771                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
772                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK))) {
773            // enable accelerometer if we are docked in a dock that enables accelerometer
774            // orientation management,
775            return true;
776        }
777        if (mUserRotationMode == USER_ROTATION_LOCKED) {
778            // If the setting for using the sensor by default is enabled, then
779            // we will always leave it on.  Note that the user could go to
780            // a window that forces an orientation that does not use the
781            // sensor and in theory we could turn it off... however, when next
782            // turning it on we won't have a good value for the current
783            // orientation for a little bit, which can cause orientation
784            // changes to lag, so we'd like to keep it always on.  (It will
785            // still be turned off when the screen is off.)
786            return false;
787        }
788        return mSupportAutoRotation;
789    }
790
791    /*
792     * Various use cases for invoking this function
793     * screen turning off, should always disable listeners if already enabled
794     * screen turned on and current app has sensor based orientation, enable listeners
795     * if not already enabled
796     * screen turned on and current app does not have sensor orientation, disable listeners if
797     * already enabled
798     * screen turning on and current app has sensor based orientation, enable listeners if needed
799     * screen turning on and current app has nosensor based orientation, do nothing
800     */
801    void updateOrientationListenerLp() {
802        if (!mOrientationListener.canDetectOrientation()) {
803            // If sensor is turned off or nonexistent for some reason
804            return;
805        }
806        //Could have been invoked due to screen turning on or off or
807        //change of the currently visible window's orientation
808        if (localLOGV) Slog.v(TAG, "mScreenOnEarly=" + mScreenOnEarly
809                + ", mAwake=" + mAwake + ", mCurrentAppOrientation=" + mCurrentAppOrientation
810                + ", mOrientationSensorEnabled=" + mOrientationSensorEnabled);
811        boolean disable = true;
812        if (mScreenOnEarly && mAwake) {
813            if (needSensorRunningLp()) {
814                disable = false;
815                //enable listener if not already enabled
816                if (!mOrientationSensorEnabled) {
817                    mOrientationListener.enable();
818                    if(localLOGV) Slog.v(TAG, "Enabling listeners");
819                    mOrientationSensorEnabled = true;
820                }
821            }
822        }
823        //check if sensors need to be disabled
824        if (disable && mOrientationSensorEnabled) {
825            mOrientationListener.disable();
826            if(localLOGV) Slog.v(TAG, "Disabling listeners");
827            mOrientationSensorEnabled = false;
828        }
829    }
830
831    private void interceptPowerKeyDown(KeyEvent event, boolean interactive) {
832        // Hold a wake lock until the power key is released.
833        if (!mPowerKeyWakeLock.isHeld()) {
834            mPowerKeyWakeLock.acquire();
835        }
836
837        // Cancel multi-press detection timeout.
838        if (mPowerKeyPressCounter != 0) {
839            mHandler.removeMessages(MSG_POWER_DELAYED_PRESS);
840        }
841
842        // Detect user pressing the power button in panic when an application has
843        // taken over the whole screen.
844        boolean panic = mImmersiveModeConfirmation.onPowerKeyDown(interactive,
845                SystemClock.elapsedRealtime(), isImmersiveMode(mLastSystemUiFlags));
846        if (panic) {
847            mHandler.post(mRequestTransientNav);
848        }
849
850        // Latch power key state to detect screenshot chord.
851        if (interactive && !mScreenshotChordPowerKeyTriggered
852                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
853            mScreenshotChordPowerKeyTriggered = true;
854            mScreenshotChordPowerKeyTime = event.getDownTime();
855            interceptScreenshotChord();
856        }
857
858        // Stop ringing or end call if configured to do so when power is pressed.
859        TelecomManager telecomManager = getTelecommService();
860        boolean hungUp = false;
861        if (telecomManager != null) {
862            if (telecomManager.isRinging()) {
863                // Pressing Power while there's a ringing incoming
864                // call should silence the ringer.
865                telecomManager.silenceRinger();
866            } else if ((mIncallPowerBehavior
867                    & Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP) != 0
868                    && telecomManager.isInCall() && interactive) {
869                // Otherwise, if "Power button ends call" is enabled,
870                // the Power button will hang up any current active call.
871                hungUp = telecomManager.endCall();
872            }
873        }
874
875        // If the power key has still not yet been handled, then detect short
876        // press, long press, or multi press and decide what to do.
877        mPowerKeyHandled = hungUp || mScreenshotChordVolumeDownKeyTriggered
878                || mScreenshotChordVolumeUpKeyTriggered;
879        if (!mPowerKeyHandled) {
880            if (interactive) {
881                // When interactive, we're already awake.
882                // Wait for a long press or for the button to be released to decide what to do.
883                if (hasLongPressOnPowerBehavior()) {
884                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
885                    msg.setAsynchronous(true);
886                    mHandler.sendMessageDelayed(msg,
887                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
888                }
889            } else {
890                wakeUpFromPowerKey(event.getDownTime());
891
892                if (mSupportLongPressPowerWhenNonInteractive && hasLongPressOnPowerBehavior()) {
893                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
894                    msg.setAsynchronous(true);
895                    mHandler.sendMessageDelayed(msg,
896                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
897                    mBeganFromNonInteractive = true;
898                } else {
899                    final int maxCount = getMaxMultiPressPowerCount();
900
901                    if (maxCount <= 1) {
902                        mPowerKeyHandled = true;
903                    } else {
904                        mBeganFromNonInteractive = true;
905                    }
906                }
907            }
908        }
909    }
910
911    private void interceptPowerKeyUp(KeyEvent event, boolean interactive, boolean canceled) {
912        final boolean handled = canceled || mPowerKeyHandled;
913        mScreenshotChordPowerKeyTriggered = false;
914        cancelPendingScreenshotChordAction();
915        cancelPendingPowerKeyAction();
916
917        if (!handled) {
918            // Figure out how to handle the key now that it has been released.
919            mPowerKeyPressCounter += 1;
920
921            final int maxCount = getMaxMultiPressPowerCount();
922            final long eventTime = event.getDownTime();
923            if (mPowerKeyPressCounter < maxCount) {
924                // This could be a multi-press.  Wait a little bit longer to confirm.
925                // Continue holding the wake lock.
926                Message msg = mHandler.obtainMessage(MSG_POWER_DELAYED_PRESS,
927                        interactive ? 1 : 0, mPowerKeyPressCounter, eventTime);
928                msg.setAsynchronous(true);
929                mHandler.sendMessageDelayed(msg, ViewConfiguration.getDoubleTapTimeout());
930                return;
931            }
932
933            // No other actions.  Handle it immediately.
934            powerPress(eventTime, interactive, mPowerKeyPressCounter);
935        }
936
937        // Done.  Reset our state.
938        finishPowerKeyPress();
939    }
940
941    private void finishPowerKeyPress() {
942        mBeganFromNonInteractive = false;
943        mPowerKeyPressCounter = 0;
944        if (mPowerKeyWakeLock.isHeld()) {
945            mPowerKeyWakeLock.release();
946        }
947    }
948
949    private void cancelPendingPowerKeyAction() {
950        if (!mPowerKeyHandled) {
951            mPowerKeyHandled = true;
952            mHandler.removeMessages(MSG_POWER_LONG_PRESS);
953        }
954    }
955
956    private void powerPress(long eventTime, boolean interactive, int count) {
957        if (mScreenOnEarly && !mScreenOnFully) {
958            Slog.i(TAG, "Suppressed redundant power key press while "
959                    + "already in the process of turning the screen on.");
960            return;
961        }
962
963        if (count == 2) {
964            powerMultiPressAction(eventTime, interactive, mDoublePressOnPowerBehavior);
965        } else if (count == 3) {
966            powerMultiPressAction(eventTime, interactive, mTriplePressOnPowerBehavior);
967        } else if (interactive && !mBeganFromNonInteractive) {
968            switch (mShortPressOnPowerBehavior) {
969                case SHORT_PRESS_POWER_NOTHING:
970                    break;
971                case SHORT_PRESS_POWER_GO_TO_SLEEP:
972                    mPowerManager.goToSleep(eventTime,
973                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
974                    break;
975                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP:
976                    mPowerManager.goToSleep(eventTime,
977                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
978                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
979                    break;
980                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME:
981                    mPowerManager.goToSleep(eventTime,
982                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
983                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
984                    launchHomeFromHotKey();
985                    break;
986                case SHORT_PRESS_POWER_GO_HOME:
987                    launchHomeFromHotKey();
988                    break;
989            }
990        }
991    }
992
993    private void powerMultiPressAction(long eventTime, boolean interactive, int behavior) {
994        switch (behavior) {
995            case MULTI_PRESS_POWER_NOTHING:
996                break;
997            case MULTI_PRESS_POWER_THEATER_MODE:
998                if (isTheaterModeEnabled()) {
999                    Slog.i(TAG, "Toggling theater mode off.");
1000                    Settings.Global.putInt(mContext.getContentResolver(),
1001                            Settings.Global.THEATER_MODE_ON, 0);
1002                    if (!interactive) {
1003                        wakeUpFromPowerKey(eventTime);
1004                    }
1005                } else {
1006                    Slog.i(TAG, "Toggling theater mode on.");
1007                    Settings.Global.putInt(mContext.getContentResolver(),
1008                            Settings.Global.THEATER_MODE_ON, 1);
1009
1010                    if (mGoToSleepOnButtonPressTheaterMode && interactive) {
1011                        mPowerManager.goToSleep(eventTime,
1012                                PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1013                    }
1014                }
1015                break;
1016            case MULTI_PRESS_POWER_BRIGHTNESS_BOOST:
1017                Slog.i(TAG, "Starting brightness boost.");
1018                if (!interactive) {
1019                    wakeUpFromPowerKey(eventTime);
1020                }
1021                mPowerManager.boostScreenBrightness(eventTime);
1022                break;
1023        }
1024    }
1025
1026    private int getMaxMultiPressPowerCount() {
1027        if (mTriplePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1028            return 3;
1029        }
1030        if (mDoublePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1031            return 2;
1032        }
1033        return 1;
1034    }
1035
1036    private void powerLongPress() {
1037        final int behavior = getResolvedLongPressOnPowerBehavior();
1038        switch (behavior) {
1039        case LONG_PRESS_POWER_NOTHING:
1040            break;
1041        case LONG_PRESS_POWER_GLOBAL_ACTIONS:
1042            mPowerKeyHandled = true;
1043            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1044                performAuditoryFeedbackForAccessibilityIfNeed();
1045            }
1046            showGlobalActionsInternal();
1047            break;
1048        case LONG_PRESS_POWER_SHUT_OFF:
1049        case LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM:
1050            mPowerKeyHandled = true;
1051            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1052            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1053            mWindowManagerFuncs.shutdown(behavior == LONG_PRESS_POWER_SHUT_OFF);
1054            break;
1055        }
1056    }
1057
1058    private int getResolvedLongPressOnPowerBehavior() {
1059        if (FactoryTest.isLongPressOnPowerOffEnabled()) {
1060            return LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;
1061        }
1062        return mLongPressOnPowerBehavior;
1063    }
1064
1065    private boolean hasLongPressOnPowerBehavior() {
1066        return getResolvedLongPressOnPowerBehavior() != LONG_PRESS_POWER_NOTHING;
1067    }
1068
1069    private void interceptScreenshotChord() {
1070        if (mScreenshotChordEnabled
1071                && mScreenshotChordVolumeDownKeyTriggered && mScreenshotChordPowerKeyTriggered
1072                && !mScreenshotChordVolumeUpKeyTriggered) {
1073            final long now = SystemClock.uptimeMillis();
1074            if (now <= mScreenshotChordVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS
1075                    && now <= mScreenshotChordPowerKeyTime
1076                            + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS) {
1077                mScreenshotChordVolumeDownKeyConsumed = true;
1078                cancelPendingPowerKeyAction();
1079
1080                mHandler.postDelayed(mScreenshotRunnable, getScreenshotChordLongPressDelay());
1081            }
1082        }
1083    }
1084
1085    private long getScreenshotChordLongPressDelay() {
1086        if (mKeyguardDelegate.isShowing()) {
1087            // Double the time it takes to take a screenshot from the keyguard
1088            return (long) (KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER *
1089                    ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1090        }
1091        return ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout();
1092    }
1093
1094    private void cancelPendingScreenshotChordAction() {
1095        mHandler.removeCallbacks(mScreenshotRunnable);
1096    }
1097
1098    private final Runnable mEndCallLongPress = new Runnable() {
1099        @Override
1100        public void run() {
1101            mEndCallKeyHandled = true;
1102            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1103                performAuditoryFeedbackForAccessibilityIfNeed();
1104            }
1105            showGlobalActionsInternal();
1106        }
1107    };
1108
1109    private final Runnable mScreenshotRunnable = new Runnable() {
1110        @Override
1111        public void run() {
1112            takeScreenshot();
1113        }
1114    };
1115
1116    @Override
1117    public void showGlobalActions() {
1118        mHandler.removeMessages(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1119        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1120    }
1121
1122    void showGlobalActionsInternal() {
1123        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1124        if (mGlobalActions == null) {
1125            mGlobalActions = new GlobalActions(mContext, mWindowManagerFuncs);
1126        }
1127        final boolean keyguardShowing = isKeyguardShowingAndNotOccluded();
1128        mGlobalActions.showDialog(keyguardShowing, isDeviceProvisioned());
1129        if (keyguardShowing) {
1130            // since it took two seconds of long press to bring this up,
1131            // poke the wake lock so they have some time to see the dialog.
1132            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
1133        }
1134    }
1135
1136    boolean isDeviceProvisioned() {
1137        return Settings.Global.getInt(
1138                mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0;
1139    }
1140
1141    boolean isUserSetupComplete() {
1142        return Settings.Secure.getIntForUser(mContext.getContentResolver(),
1143                Settings.Secure.USER_SETUP_COMPLETE, 0, UserHandle.USER_CURRENT) != 0;
1144    }
1145
1146    private void handleShortPressOnHome() {
1147        // If there's a dream running then use home to escape the dream
1148        // but don't actually go home.
1149        if (mDreamManagerInternal != null && mDreamManagerInternal.isDreaming()) {
1150            mDreamManagerInternal.stopDream(false /*immediate*/);
1151            return;
1152        }
1153
1154        // Go home!
1155        launchHomeFromHotKey();
1156    }
1157
1158    private void handleLongPressOnHome() {
1159        if (mLongPressOnHomeBehavior != LONG_PRESS_HOME_NOTHING) {
1160            mHomeConsumed = true;
1161            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1162
1163            if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI) {
1164                toggleRecentApps();
1165            } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_ASSIST) {
1166                launchAssistAction();
1167            }
1168        }
1169    }
1170
1171    private void handleDoubleTapOnHome() {
1172        if (mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1173            mHomeConsumed = true;
1174            toggleRecentApps();
1175        }
1176    }
1177
1178    private final Runnable mHomeDoubleTapTimeoutRunnable = new Runnable() {
1179        @Override
1180        public void run() {
1181            if (mHomeDoubleTapPending) {
1182                mHomeDoubleTapPending = false;
1183                handleShortPressOnHome();
1184            }
1185        }
1186    };
1187
1188    /** {@inheritDoc} */
1189    @Override
1190    public void init(Context context, IWindowManager windowManager,
1191            WindowManagerFuncs windowManagerFuncs) {
1192        mContext = context;
1193        mWindowManager = windowManager;
1194        mWindowManagerFuncs = windowManagerFuncs;
1195        mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class);
1196        mDreamManagerInternal = LocalServices.getService(DreamManagerInternal.class);
1197        if (context.getResources().getBoolean(
1198                com.android.internal.R.bool.config_enableBurnInProtection)){
1199            mBurnInProtectionHelper = new BurnInProtectionHelper(context);
1200        }
1201
1202        mHandler = new PolicyHandler();
1203        mWakeGestureListener = new MyWakeGestureListener(mContext, mHandler);
1204        mOrientationListener = new MyOrientationListener(mContext, mHandler);
1205        try {
1206            mOrientationListener.setCurrentRotation(windowManager.getRotation());
1207        } catch (RemoteException ex) { }
1208        mSettingsObserver = new SettingsObserver(mHandler);
1209        mSettingsObserver.observe();
1210        mShortcutManager = new ShortcutManager(context);
1211        mUiMode = context.getResources().getInteger(
1212                com.android.internal.R.integer.config_defaultUiModeType);
1213        mHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
1214        mHomeIntent.addCategory(Intent.CATEGORY_HOME);
1215        mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1216                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1217        mCarDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1218        mCarDockIntent.addCategory(Intent.CATEGORY_CAR_DOCK);
1219        mCarDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1220                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1221        mDeskDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1222        mDeskDockIntent.addCategory(Intent.CATEGORY_DESK_DOCK);
1223        mDeskDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1224                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1225
1226        mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
1227        mBroadcastWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1228                "PhoneWindowManager.mBroadcastWakeLock");
1229        mPowerKeyWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1230                "PhoneWindowManager.mPowerKeyWakeLock");
1231        mEnableShiftMenuBugReports = "1".equals(SystemProperties.get("ro.debuggable"));
1232        mSupportAutoRotation = mContext.getResources().getBoolean(
1233                com.android.internal.R.bool.config_supportAutoRotation);
1234        mLidOpenRotation = readRotation(
1235                com.android.internal.R.integer.config_lidOpenRotation);
1236        mCarDockRotation = readRotation(
1237                com.android.internal.R.integer.config_carDockRotation);
1238        mDeskDockRotation = readRotation(
1239                com.android.internal.R.integer.config_deskDockRotation);
1240        mUndockedHdmiRotation = readRotation(
1241                com.android.internal.R.integer.config_undockedHdmiRotation);
1242        mCarDockEnablesAccelerometer = mContext.getResources().getBoolean(
1243                com.android.internal.R.bool.config_carDockEnablesAccelerometer);
1244        mDeskDockEnablesAccelerometer = mContext.getResources().getBoolean(
1245                com.android.internal.R.bool.config_deskDockEnablesAccelerometer);
1246        mLidKeyboardAccessibility = mContext.getResources().getInteger(
1247                com.android.internal.R.integer.config_lidKeyboardAccessibility);
1248        mLidNavigationAccessibility = mContext.getResources().getInteger(
1249                com.android.internal.R.integer.config_lidNavigationAccessibility);
1250        mLidControlsSleep = mContext.getResources().getBoolean(
1251                com.android.internal.R.bool.config_lidControlsSleep);
1252        mTranslucentDecorEnabled = mContext.getResources().getBoolean(
1253                com.android.internal.R.bool.config_enableTranslucentDecor);
1254
1255        mAllowTheaterModeWakeFromKey = mContext.getResources().getBoolean(
1256                com.android.internal.R.bool.config_allowTheaterModeWakeFromKey);
1257        mAllowTheaterModeWakeFromPowerKey = mAllowTheaterModeWakeFromKey
1258                || mContext.getResources().getBoolean(
1259                    com.android.internal.R.bool.config_allowTheaterModeWakeFromPowerKey);
1260        mAllowTheaterModeWakeFromMotion = mContext.getResources().getBoolean(
1261                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotion);
1262        mAllowTheaterModeWakeFromMotionWhenNotDreaming = mContext.getResources().getBoolean(
1263                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotionWhenNotDreaming);
1264        mAllowTheaterModeWakeFromCameraLens = mContext.getResources().getBoolean(
1265                com.android.internal.R.bool.config_allowTheaterModeWakeFromCameraLens);
1266        mAllowTheaterModeWakeFromLidSwitch = mContext.getResources().getBoolean(
1267                com.android.internal.R.bool.config_allowTheaterModeWakeFromLidSwitch);
1268        mAllowTheaterModeWakeFromWakeGesture = mContext.getResources().getBoolean(
1269                com.android.internal.R.bool.config_allowTheaterModeWakeFromGesture);
1270
1271        mGoToSleepOnButtonPressTheaterMode = mContext.getResources().getBoolean(
1272                com.android.internal.R.bool.config_goToSleepOnButtonPressTheaterMode);
1273
1274        mSupportLongPressPowerWhenNonInteractive = mContext.getResources().getBoolean(
1275                com.android.internal.R.bool.config_supportLongPressPowerWhenNonInteractive);
1276
1277        mShortPressOnPowerBehavior = mContext.getResources().getInteger(
1278                com.android.internal.R.integer.config_shortPressOnPowerBehavior);
1279        mLongPressOnPowerBehavior = mContext.getResources().getInteger(
1280                com.android.internal.R.integer.config_longPressOnPowerBehavior);
1281        mDoublePressOnPowerBehavior = mContext.getResources().getInteger(
1282                com.android.internal.R.integer.config_doublePressOnPowerBehavior);
1283        mTriplePressOnPowerBehavior = mContext.getResources().getInteger(
1284                com.android.internal.R.integer.config_triplePressOnPowerBehavior);
1285
1286        mUseTvRouting = AudioSystem.getPlatformType(mContext) == AudioSystem.PLATFORM_TELEVISION;
1287
1288        readConfigurationDependentBehaviors();
1289
1290        mAccessibilityManager = (AccessibilityManager) context.getSystemService(
1291                Context.ACCESSIBILITY_SERVICE);
1292
1293        // register for dock events
1294        IntentFilter filter = new IntentFilter();
1295        filter.addAction(UiModeManager.ACTION_ENTER_CAR_MODE);
1296        filter.addAction(UiModeManager.ACTION_EXIT_CAR_MODE);
1297        filter.addAction(UiModeManager.ACTION_ENTER_DESK_MODE);
1298        filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
1299        filter.addAction(Intent.ACTION_DOCK_EVENT);
1300        Intent intent = context.registerReceiver(mDockReceiver, filter);
1301        if (intent != null) {
1302            // Retrieve current sticky dock event broadcast.
1303            mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
1304                    Intent.EXTRA_DOCK_STATE_UNDOCKED);
1305        }
1306
1307        // register for dream-related broadcasts
1308        filter = new IntentFilter();
1309        filter.addAction(Intent.ACTION_DREAMING_STARTED);
1310        filter.addAction(Intent.ACTION_DREAMING_STOPPED);
1311        context.registerReceiver(mDreamReceiver, filter);
1312
1313        // register for multiuser-relevant broadcasts
1314        filter = new IntentFilter(Intent.ACTION_USER_SWITCHED);
1315        context.registerReceiver(mMultiuserReceiver, filter);
1316
1317        // monitor for system gestures
1318        mSystemGestures = new SystemGesturesPointerEventListener(context,
1319                new SystemGesturesPointerEventListener.Callbacks() {
1320                    @Override
1321                    public void onSwipeFromTop() {
1322                        if (mStatusBar != null) {
1323                            requestTransientBars(mStatusBar);
1324                        }
1325                    }
1326                    @Override
1327                    public void onSwipeFromBottom() {
1328                        if (mNavigationBar != null && mNavigationBarOnBottom) {
1329                            requestTransientBars(mNavigationBar);
1330                        }
1331                    }
1332                    @Override
1333                    public void onSwipeFromRight() {
1334                        if (mNavigationBar != null && !mNavigationBarOnBottom) {
1335                            requestTransientBars(mNavigationBar);
1336                        }
1337                    }
1338                    @Override
1339                    public void onDebug() {
1340                        // no-op
1341                    }
1342                });
1343        mImmersiveModeConfirmation = new ImmersiveModeConfirmation(mContext);
1344        mWindowManagerFuncs.registerPointerEventListener(mSystemGestures);
1345
1346        mVibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE);
1347        mLongPressVibePattern = getLongIntArray(mContext.getResources(),
1348                com.android.internal.R.array.config_longPressVibePattern);
1349        mVirtualKeyVibePattern = getLongIntArray(mContext.getResources(),
1350                com.android.internal.R.array.config_virtualKeyVibePattern);
1351        mKeyboardTapVibePattern = getLongIntArray(mContext.getResources(),
1352                com.android.internal.R.array.config_keyboardTapVibePattern);
1353        mClockTickVibePattern = getLongIntArray(mContext.getResources(),
1354                com.android.internal.R.array.config_clockTickVibePattern);
1355        mCalendarDateVibePattern = getLongIntArray(mContext.getResources(),
1356                com.android.internal.R.array.config_calendarDateVibePattern);
1357        mSafeModeDisabledVibePattern = getLongIntArray(mContext.getResources(),
1358                com.android.internal.R.array.config_safeModeDisabledVibePattern);
1359        mSafeModeEnabledVibePattern = getLongIntArray(mContext.getResources(),
1360                com.android.internal.R.array.config_safeModeEnabledVibePattern);
1361
1362        mScreenshotChordEnabled = mContext.getResources().getBoolean(
1363                com.android.internal.R.bool.config_enableScreenshotChord);
1364
1365        mGlobalKeyManager = new GlobalKeyManager(mContext);
1366
1367        // Controls rotation and the like.
1368        initializeHdmiState();
1369
1370        // Match current screen state.
1371        if (!mPowerManager.isInteractive()) {
1372            goingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1373        }
1374
1375        mWindowManagerInternal.registerAppTransitionListener(
1376                mStatusBarController.getAppTransitionListener());
1377    }
1378
1379    /**
1380     * Read values from config.xml that may be overridden depending on
1381     * the configuration of the device.
1382     * eg. Disable long press on home goes to recents on sw600dp.
1383     */
1384    private void readConfigurationDependentBehaviors() {
1385        mLongPressOnHomeBehavior = mContext.getResources().getInteger(
1386                com.android.internal.R.integer.config_longPressOnHomeBehavior);
1387        if (mLongPressOnHomeBehavior < LONG_PRESS_HOME_NOTHING ||
1388                mLongPressOnHomeBehavior > LONG_PRESS_HOME_ASSIST) {
1389            mLongPressOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1390        }
1391
1392        mDoubleTapOnHomeBehavior = mContext.getResources().getInteger(
1393                com.android.internal.R.integer.config_doubleTapOnHomeBehavior);
1394        if (mDoubleTapOnHomeBehavior < DOUBLE_TAP_HOME_NOTHING ||
1395                mDoubleTapOnHomeBehavior > DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1396            mDoubleTapOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1397        }
1398    }
1399
1400    @Override
1401    public void setInitialDisplaySize(Display display, int width, int height, int density) {
1402        // This method might be called before the policy has been fully initialized
1403        // or for other displays we don't care about.
1404        if (mContext == null || display.getDisplayId() != Display.DEFAULT_DISPLAY) {
1405            return;
1406        }
1407        mDisplay = display;
1408
1409        final Resources res = mContext.getResources();
1410        int shortSize, longSize;
1411        if (width > height) {
1412            shortSize = height;
1413            longSize = width;
1414            mLandscapeRotation = Surface.ROTATION_0;
1415            mSeascapeRotation = Surface.ROTATION_180;
1416            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1417                mPortraitRotation = Surface.ROTATION_90;
1418                mUpsideDownRotation = Surface.ROTATION_270;
1419            } else {
1420                mPortraitRotation = Surface.ROTATION_270;
1421                mUpsideDownRotation = Surface.ROTATION_90;
1422            }
1423        } else {
1424            shortSize = width;
1425            longSize = height;
1426            mPortraitRotation = Surface.ROTATION_0;
1427            mUpsideDownRotation = Surface.ROTATION_180;
1428            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1429                mLandscapeRotation = Surface.ROTATION_270;
1430                mSeascapeRotation = Surface.ROTATION_90;
1431            } else {
1432                mLandscapeRotation = Surface.ROTATION_90;
1433                mSeascapeRotation = Surface.ROTATION_270;
1434            }
1435        }
1436
1437        mStatusBarHeight =
1438                res.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
1439
1440        // Height of the navigation bar when presented horizontally at bottom
1441        mNavigationBarHeightForRotation[mPortraitRotation] =
1442        mNavigationBarHeightForRotation[mUpsideDownRotation] =
1443                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_height);
1444        mNavigationBarHeightForRotation[mLandscapeRotation] =
1445        mNavigationBarHeightForRotation[mSeascapeRotation] = res.getDimensionPixelSize(
1446                com.android.internal.R.dimen.navigation_bar_height_landscape);
1447
1448        // Width of the navigation bar when presented vertically along one side
1449        mNavigationBarWidthForRotation[mPortraitRotation] =
1450        mNavigationBarWidthForRotation[mUpsideDownRotation] =
1451        mNavigationBarWidthForRotation[mLandscapeRotation] =
1452        mNavigationBarWidthForRotation[mSeascapeRotation] =
1453                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_width);
1454
1455        // SystemUI (status bar) layout policy
1456        int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT / density;
1457        int longSizeDp = longSize * DisplayMetrics.DENSITY_DEFAULT / density;
1458
1459        // Allow the navigation bar to move on non-square small devices (phones).
1460        mNavigationBarCanMove = width != height && shortSizeDp < 600;
1461
1462        mHasNavigationBar = res.getBoolean(com.android.internal.R.bool.config_showNavigationBar);
1463        // Allow a system property to override this. Used by the emulator.
1464        // See also hasNavigationBar().
1465        String navBarOverride = SystemProperties.get("qemu.hw.mainkeys");
1466        if ("1".equals(navBarOverride)) {
1467            mHasNavigationBar = false;
1468        } else if ("0".equals(navBarOverride)) {
1469            mHasNavigationBar = true;
1470        }
1471
1472        // For demo purposes, allow the rotation of the HDMI display to be controlled.
1473        // By default, HDMI locks rotation to landscape.
1474        if ("portrait".equals(SystemProperties.get("persist.demo.hdmirotation"))) {
1475            mDemoHdmiRotation = mPortraitRotation;
1476        } else {
1477            mDemoHdmiRotation = mLandscapeRotation;
1478        }
1479        mDemoHdmiRotationLock = SystemProperties.getBoolean("persist.demo.hdmirotationlock", false);
1480
1481        // For demo purposes, allow the rotation of the remote display to be controlled.
1482        // By default, remote display locks rotation to landscape.
1483        if ("portrait".equals(SystemProperties.get("persist.demo.remoterotation"))) {
1484            mDemoRotation = mPortraitRotation;
1485        } else {
1486            mDemoRotation = mLandscapeRotation;
1487        }
1488        mDemoRotationLock = SystemProperties.getBoolean(
1489                "persist.demo.rotationlock", false);
1490
1491        // Only force the default orientation if the screen is xlarge, at least 960dp x 720dp, per
1492        // http://developer.android.com/guide/practices/screens_support.html#range
1493        mForceDefaultOrientation = longSizeDp >= 960 && shortSizeDp >= 720 &&
1494                res.getBoolean(com.android.internal.R.bool.config_forceDefaultOrientation) &&
1495                // For debug purposes the next line turns this feature off with:
1496                // $ adb shell setprop config.override_forced_orient true
1497                // $ adb shell wm size reset
1498                !"true".equals(SystemProperties.get("config.override_forced_orient"));
1499    }
1500
1501    /**
1502     * @return whether the navigation bar can be hidden, e.g. the device has a
1503     *         navigation bar and touch exploration is not enabled
1504     */
1505    private boolean canHideNavigationBar() {
1506        return mHasNavigationBar
1507                && !mAccessibilityManager.isTouchExplorationEnabled();
1508    }
1509
1510    @Override
1511    public boolean isDefaultOrientationForced() {
1512        return mForceDefaultOrientation;
1513    }
1514
1515    @Override
1516    public void setDisplayOverscan(Display display, int left, int top, int right, int bottom) {
1517        if (display.getDisplayId() == Display.DEFAULT_DISPLAY) {
1518            mOverscanLeft = left;
1519            mOverscanTop = top;
1520            mOverscanRight = right;
1521            mOverscanBottom = bottom;
1522        }
1523    }
1524
1525    public void updateSettings() {
1526        ContentResolver resolver = mContext.getContentResolver();
1527        boolean updateRotation = false;
1528        synchronized (mLock) {
1529            mEndcallBehavior = Settings.System.getIntForUser(resolver,
1530                    Settings.System.END_BUTTON_BEHAVIOR,
1531                    Settings.System.END_BUTTON_BEHAVIOR_DEFAULT,
1532                    UserHandle.USER_CURRENT);
1533            mIncallPowerBehavior = Settings.Secure.getIntForUser(resolver,
1534                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
1535                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT,
1536                    UserHandle.USER_CURRENT);
1537
1538            // Configure wake gesture.
1539            boolean wakeGestureEnabledSetting = Settings.Secure.getIntForUser(resolver,
1540                    Settings.Secure.WAKE_GESTURE_ENABLED, 0,
1541                    UserHandle.USER_CURRENT) != 0;
1542            if (mWakeGestureEnabledSetting != wakeGestureEnabledSetting) {
1543                mWakeGestureEnabledSetting = wakeGestureEnabledSetting;
1544                updateWakeGestureListenerLp();
1545            }
1546
1547            // Configure rotation lock.
1548            int userRotation = Settings.System.getIntForUser(resolver,
1549                    Settings.System.USER_ROTATION, Surface.ROTATION_0,
1550                    UserHandle.USER_CURRENT);
1551            if (mUserRotation != userRotation) {
1552                mUserRotation = userRotation;
1553                updateRotation = true;
1554            }
1555            int userRotationMode = Settings.System.getIntForUser(resolver,
1556                    Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
1557                            WindowManagerPolicy.USER_ROTATION_FREE :
1558                                    WindowManagerPolicy.USER_ROTATION_LOCKED;
1559            if (mUserRotationMode != userRotationMode) {
1560                mUserRotationMode = userRotationMode;
1561                updateRotation = true;
1562                updateOrientationListenerLp();
1563            }
1564
1565            if (mSystemReady) {
1566                int pointerLocation = Settings.System.getIntForUser(resolver,
1567                        Settings.System.POINTER_LOCATION, 0, UserHandle.USER_CURRENT);
1568                if (mPointerLocationMode != pointerLocation) {
1569                    mPointerLocationMode = pointerLocation;
1570                    mHandler.sendEmptyMessage(pointerLocation != 0 ?
1571                            MSG_ENABLE_POINTER_LOCATION : MSG_DISABLE_POINTER_LOCATION);
1572                }
1573            }
1574            // use screen off timeout setting as the timeout for the lockscreen
1575            mLockScreenTimeout = Settings.System.getIntForUser(resolver,
1576                    Settings.System.SCREEN_OFF_TIMEOUT, 0, UserHandle.USER_CURRENT);
1577            String imId = Settings.Secure.getStringForUser(resolver,
1578                    Settings.Secure.DEFAULT_INPUT_METHOD, UserHandle.USER_CURRENT);
1579            boolean hasSoftInput = imId != null && imId.length() > 0;
1580            if (mHasSoftInput != hasSoftInput) {
1581                mHasSoftInput = hasSoftInput;
1582                updateRotation = true;
1583            }
1584            if (mImmersiveModeConfirmation != null) {
1585                mImmersiveModeConfirmation.loadSetting(mCurrentUserId);
1586            }
1587            PolicyControl.reloadFromSetting(mContext);
1588        }
1589        if (updateRotation) {
1590            updateRotation(true);
1591        }
1592    }
1593
1594    private void updateWakeGestureListenerLp() {
1595        if (shouldEnableWakeGestureLp()) {
1596            mWakeGestureListener.requestWakeUpTrigger();
1597        } else {
1598            mWakeGestureListener.cancelWakeUpTrigger();
1599        }
1600    }
1601
1602    private boolean shouldEnableWakeGestureLp() {
1603        return mWakeGestureEnabledSetting && !mAwake
1604                && (!mLidControlsSleep || mLidState != LID_CLOSED)
1605                && mWakeGestureListener.isSupported();
1606    }
1607
1608    private void enablePointerLocation() {
1609        if (mPointerLocationView == null) {
1610            mPointerLocationView = new PointerLocationView(mContext);
1611            mPointerLocationView.setPrintCoords(false);
1612            WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
1613                    WindowManager.LayoutParams.MATCH_PARENT,
1614                    WindowManager.LayoutParams.MATCH_PARENT);
1615            lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
1616            lp.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN
1617                    | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
1618                    | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
1619                    | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
1620            if (ActivityManager.isHighEndGfx()) {
1621                lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
1622                lp.privateFlags |=
1623                        WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED;
1624            }
1625            lp.format = PixelFormat.TRANSLUCENT;
1626            lp.setTitle("PointerLocation");
1627            WindowManager wm = (WindowManager)
1628                    mContext.getSystemService(Context.WINDOW_SERVICE);
1629            lp.inputFeatures |= WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL;
1630            wm.addView(mPointerLocationView, lp);
1631            mWindowManagerFuncs.registerPointerEventListener(mPointerLocationView);
1632        }
1633    }
1634
1635    private void disablePointerLocation() {
1636        if (mPointerLocationView != null) {
1637            mWindowManagerFuncs.unregisterPointerEventListener(mPointerLocationView);
1638            WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
1639            wm.removeView(mPointerLocationView);
1640            mPointerLocationView = null;
1641        }
1642    }
1643
1644    private int readRotation(int resID) {
1645        try {
1646            int rotation = mContext.getResources().getInteger(resID);
1647            switch (rotation) {
1648                case 0:
1649                    return Surface.ROTATION_0;
1650                case 90:
1651                    return Surface.ROTATION_90;
1652                case 180:
1653                    return Surface.ROTATION_180;
1654                case 270:
1655                    return Surface.ROTATION_270;
1656            }
1657        } catch (Resources.NotFoundException e) {
1658            // fall through
1659        }
1660        return -1;
1661    }
1662
1663    /** {@inheritDoc} */
1664    @Override
1665    public int checkAddPermission(WindowManager.LayoutParams attrs, int[] outAppOp) {
1666        int type = attrs.type;
1667
1668        outAppOp[0] = AppOpsManager.OP_NONE;
1669
1670        if (!((type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW)
1671                || (type >= FIRST_SUB_WINDOW && type <= LAST_SUB_WINDOW)
1672                || (type >= FIRST_SYSTEM_WINDOW && type <= LAST_SYSTEM_WINDOW))) {
1673            return WindowManagerGlobal.ADD_INVALID_TYPE;
1674        }
1675
1676        if (type < FIRST_SYSTEM_WINDOW || type > LAST_SYSTEM_WINDOW) {
1677            // Window manager will make sure these are okay.
1678            return WindowManagerGlobal.ADD_OKAY;
1679        }
1680        String permission = null;
1681        switch (type) {
1682            case TYPE_TOAST:
1683                // XXX right now the app process has complete control over
1684                // this...  should introduce a token to let the system
1685                // monitor/control what they are doing.
1686                outAppOp[0] = AppOpsManager.OP_TOAST_WINDOW;
1687                break;
1688            case TYPE_DREAM:
1689            case TYPE_INPUT_METHOD:
1690            case TYPE_WALLPAPER:
1691            case TYPE_PRIVATE_PRESENTATION:
1692            case TYPE_VOICE_INTERACTION:
1693            case TYPE_ACCESSIBILITY_OVERLAY:
1694                // The window manager will check these.
1695                break;
1696            case TYPE_PHONE:
1697            case TYPE_PRIORITY_PHONE:
1698            case TYPE_SYSTEM_ALERT:
1699            case TYPE_SYSTEM_ERROR:
1700            case TYPE_SYSTEM_OVERLAY:
1701                permission = android.Manifest.permission.SYSTEM_ALERT_WINDOW;
1702                outAppOp[0] = AppOpsManager.OP_SYSTEM_ALERT_WINDOW;
1703                break;
1704            default:
1705                permission = android.Manifest.permission.INTERNAL_SYSTEM_WINDOW;
1706        }
1707        if (permission != null) {
1708            if (mContext.checkCallingOrSelfPermission(permission)
1709                    != PackageManager.PERMISSION_GRANTED) {
1710                return WindowManagerGlobal.ADD_PERMISSION_DENIED;
1711            }
1712        }
1713        return WindowManagerGlobal.ADD_OKAY;
1714    }
1715
1716    @Override
1717    public boolean checkShowToOwnerOnly(WindowManager.LayoutParams attrs) {
1718
1719        // If this switch statement is modified, modify the comment in the declarations of
1720        // the type in {@link WindowManager.LayoutParams} as well.
1721        switch (attrs.type) {
1722            default:
1723                // These are the windows that by default are shown only to the user that created
1724                // them. If this needs to be overridden, set
1725                // {@link WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS} in
1726                // {@link WindowManager.LayoutParams}. Note that permission
1727                // {@link android.Manifest.permission.INTERNAL_SYSTEM_WINDOW} is required as well.
1728                if ((attrs.privateFlags & PRIVATE_FLAG_SHOW_FOR_ALL_USERS) == 0) {
1729                    return true;
1730                }
1731                break;
1732
1733            // These are the windows that by default are shown to all users. However, to
1734            // protect against spoofing, check permissions below.
1735            case TYPE_APPLICATION_STARTING:
1736            case TYPE_BOOT_PROGRESS:
1737            case TYPE_DISPLAY_OVERLAY:
1738            case TYPE_HIDDEN_NAV_CONSUMER:
1739            case TYPE_KEYGUARD_SCRIM:
1740            case TYPE_KEYGUARD_DIALOG:
1741            case TYPE_MAGNIFICATION_OVERLAY:
1742            case TYPE_NAVIGATION_BAR:
1743            case TYPE_NAVIGATION_BAR_PANEL:
1744            case TYPE_PHONE:
1745            case TYPE_POINTER:
1746            case TYPE_PRIORITY_PHONE:
1747            case TYPE_SEARCH_BAR:
1748            case TYPE_STATUS_BAR:
1749            case TYPE_STATUS_BAR_PANEL:
1750            case TYPE_STATUS_BAR_SUB_PANEL:
1751            case TYPE_SYSTEM_DIALOG:
1752            case TYPE_VOLUME_OVERLAY:
1753            case TYPE_PRIVATE_PRESENTATION:
1754                break;
1755        }
1756
1757        // Check if third party app has set window to system window type.
1758        return mContext.checkCallingOrSelfPermission(
1759                android.Manifest.permission.INTERNAL_SYSTEM_WINDOW)
1760                        != PackageManager.PERMISSION_GRANTED;
1761    }
1762
1763    @Override
1764    public void adjustWindowParamsLw(WindowManager.LayoutParams attrs) {
1765        switch (attrs.type) {
1766            case TYPE_SYSTEM_OVERLAY:
1767            case TYPE_SECURE_SYSTEM_OVERLAY:
1768                // These types of windows can't receive input events.
1769                attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
1770                        | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
1771                attrs.flags &= ~WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
1772                break;
1773            case TYPE_STATUS_BAR:
1774
1775                // If the Keyguard is in a hidden state (occluded by another window), we force to
1776                // remove the wallpaper and keyguard flag so that any change in-flight after setting
1777                // the keyguard as occluded wouldn't set these flags again.
1778                // See {@link #processKeyguardSetHiddenResultLw}.
1779                if (mKeyguardHidden) {
1780                    attrs.flags &= ~WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
1781                    attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
1782                }
1783                break;
1784        }
1785
1786        if (attrs.type != TYPE_STATUS_BAR) {
1787            // The status bar is the only window allowed to exhibit keyguard behavior.
1788            attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
1789        }
1790
1791        if (ActivityManager.isHighEndGfx()
1792                && (attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0) {
1793            attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
1794                    | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
1795        }
1796    }
1797
1798    void readLidState() {
1799        mLidState = mWindowManagerFuncs.getLidState();
1800    }
1801
1802    private void readCameraLensCoverState() {
1803        mCameraLensCoverState = mWindowManagerFuncs.getCameraLensCoverState();
1804    }
1805
1806    private boolean isHidden(int accessibilityMode) {
1807        switch (accessibilityMode) {
1808            case 1:
1809                return mLidState == LID_CLOSED;
1810            case 2:
1811                return mLidState == LID_OPEN;
1812            default:
1813                return false;
1814        }
1815    }
1816
1817    /** {@inheritDoc} */
1818    @Override
1819    public void adjustConfigurationLw(Configuration config, int keyboardPresence,
1820            int navigationPresence) {
1821        mHaveBuiltInKeyboard = (keyboardPresence & PRESENCE_INTERNAL) != 0;
1822
1823        readConfigurationDependentBehaviors();
1824        readLidState();
1825        applyLidSwitchState();
1826
1827        if (config.keyboard == Configuration.KEYBOARD_NOKEYS
1828                || (keyboardPresence == PRESENCE_INTERNAL
1829                        && isHidden(mLidKeyboardAccessibility))) {
1830            config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_YES;
1831            if (!mHasSoftInput) {
1832                config.keyboardHidden = Configuration.KEYBOARDHIDDEN_YES;
1833            }
1834        }
1835
1836        if (config.navigation == Configuration.NAVIGATION_NONAV
1837                || (navigationPresence == PRESENCE_INTERNAL
1838                        && isHidden(mLidNavigationAccessibility))) {
1839            config.navigationHidden = Configuration.NAVIGATIONHIDDEN_YES;
1840        }
1841    }
1842
1843    /** {@inheritDoc} */
1844    @Override
1845    public int windowTypeToLayerLw(int type) {
1846        if (type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW) {
1847            return 2;
1848        }
1849        switch (type) {
1850        case TYPE_PRIVATE_PRESENTATION:
1851            return 2;
1852        case TYPE_WALLPAPER:
1853            // wallpaper is at the bottom, though the window manager may move it.
1854            return 2;
1855        case TYPE_PHONE:
1856            return 3;
1857        case TYPE_SEARCH_BAR:
1858            return 4;
1859        case TYPE_VOICE_INTERACTION:
1860            // voice interaction layer is almost immediately above apps.
1861            return 5;
1862        case TYPE_SYSTEM_DIALOG:
1863            return 6;
1864        case TYPE_TOAST:
1865            // toasts and the plugged-in battery thing
1866            return 7;
1867        case TYPE_PRIORITY_PHONE:
1868            // SIM errors and unlock.  Not sure if this really should be in a high layer.
1869            return 8;
1870        case TYPE_DREAM:
1871            // used for Dreams (screensavers with TYPE_DREAM windows)
1872            return 9;
1873        case TYPE_SYSTEM_ALERT:
1874            // like the ANR / app crashed dialogs
1875            return 10;
1876        case TYPE_INPUT_METHOD:
1877            // on-screen keyboards and other such input method user interfaces go here.
1878            return 11;
1879        case TYPE_INPUT_METHOD_DIALOG:
1880            // on-screen keyboards and other such input method user interfaces go here.
1881            return 12;
1882        case TYPE_KEYGUARD_SCRIM:
1883            // the safety window that shows behind keyguard while keyguard is starting
1884            return 13;
1885        case TYPE_STATUS_BAR_SUB_PANEL:
1886            return 14;
1887        case TYPE_STATUS_BAR:
1888            return 15;
1889        case TYPE_STATUS_BAR_PANEL:
1890            return 16;
1891        case TYPE_KEYGUARD_DIALOG:
1892            return 17;
1893        case TYPE_VOLUME_OVERLAY:
1894            // the on-screen volume indicator and controller shown when the user
1895            // changes the device volume
1896            return 18;
1897        case TYPE_SYSTEM_OVERLAY:
1898            // the on-screen volume indicator and controller shown when the user
1899            // changes the device volume
1900            return 19;
1901        case TYPE_NAVIGATION_BAR:
1902            // the navigation bar, if available, shows atop most things
1903            return 20;
1904        case TYPE_NAVIGATION_BAR_PANEL:
1905            // some panels (e.g. search) need to show on top of the navigation bar
1906            return 21;
1907        case TYPE_SYSTEM_ERROR:
1908            // system-level error dialogs
1909            return 22;
1910        case TYPE_MAGNIFICATION_OVERLAY:
1911            // used to highlight the magnified portion of a display
1912            return 23;
1913        case TYPE_DISPLAY_OVERLAY:
1914            // used to simulate secondary display devices
1915            return 24;
1916        case TYPE_DRAG:
1917            // the drag layer: input for drag-and-drop is associated with this window,
1918            // which sits above all other focusable windows
1919            return 25;
1920        case TYPE_ACCESSIBILITY_OVERLAY:
1921            // overlay put by accessibility services to intercept user interaction
1922            return 26;
1923        case TYPE_SECURE_SYSTEM_OVERLAY:
1924            return 27;
1925        case TYPE_BOOT_PROGRESS:
1926            return 28;
1927        case TYPE_POINTER:
1928            // the (mouse) pointer layer
1929            return 29;
1930        case TYPE_HIDDEN_NAV_CONSUMER:
1931            return 30;
1932        }
1933        Log.e(TAG, "Unknown window type: " + type);
1934        return 2;
1935    }
1936
1937    /** {@inheritDoc} */
1938    @Override
1939    public int subWindowTypeToLayerLw(int type) {
1940        switch (type) {
1941        case TYPE_APPLICATION_PANEL:
1942        case TYPE_APPLICATION_ATTACHED_DIALOG:
1943            return APPLICATION_PANEL_SUBLAYER;
1944        case TYPE_APPLICATION_MEDIA:
1945            return APPLICATION_MEDIA_SUBLAYER;
1946        case TYPE_APPLICATION_MEDIA_OVERLAY:
1947            return APPLICATION_MEDIA_OVERLAY_SUBLAYER;
1948        case TYPE_APPLICATION_SUB_PANEL:
1949            return APPLICATION_SUB_PANEL_SUBLAYER;
1950        }
1951        Log.e(TAG, "Unknown sub-window type: " + type);
1952        return 0;
1953    }
1954
1955    @Override
1956    public int getMaxWallpaperLayer() {
1957        return windowTypeToLayerLw(TYPE_STATUS_BAR);
1958    }
1959
1960    @Override
1961    public int getNonDecorDisplayWidth(int fullWidth, int fullHeight, int rotation) {
1962        if (mHasNavigationBar) {
1963            // For a basic navigation bar, when we are in landscape mode we place
1964            // the navigation bar to the side.
1965            if (mNavigationBarCanMove && fullWidth > fullHeight) {
1966                return fullWidth - mNavigationBarWidthForRotation[rotation];
1967            }
1968        }
1969        return fullWidth;
1970    }
1971
1972    @Override
1973    public int getNonDecorDisplayHeight(int fullWidth, int fullHeight, int rotation) {
1974        if (mHasNavigationBar) {
1975            // For a basic navigation bar, when we are in portrait mode we place
1976            // the navigation bar to the bottom.
1977            if (!mNavigationBarCanMove || fullWidth < fullHeight) {
1978                return fullHeight - mNavigationBarHeightForRotation[rotation];
1979            }
1980        }
1981        return fullHeight;
1982    }
1983
1984    @Override
1985    public int getConfigDisplayWidth(int fullWidth, int fullHeight, int rotation) {
1986        return getNonDecorDisplayWidth(fullWidth, fullHeight, rotation);
1987    }
1988
1989    @Override
1990    public int getConfigDisplayHeight(int fullWidth, int fullHeight, int rotation) {
1991        // There is a separate status bar at the top of the display.  We don't count that as part
1992        // of the fixed decor, since it can hide; however, for purposes of configurations,
1993        // we do want to exclude it since applications can't generally use that part
1994        // of the screen.
1995        return getNonDecorDisplayHeight(fullWidth, fullHeight, rotation) - mStatusBarHeight;
1996    }
1997
1998    @Override
1999    public boolean isForceHiding(WindowManager.LayoutParams attrs) {
2000        return (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 ||
2001                (isKeyguardHostWindow(attrs) &&
2002                        (mKeyguardDelegate != null && mKeyguardDelegate.isShowing())) ||
2003                (attrs.type == TYPE_KEYGUARD_SCRIM);
2004    }
2005
2006    @Override
2007    public boolean isKeyguardHostWindow(WindowManager.LayoutParams attrs) {
2008        return attrs.type == TYPE_STATUS_BAR;
2009    }
2010
2011    @Override
2012    public boolean canBeForceHidden(WindowState win, WindowManager.LayoutParams attrs) {
2013        switch (attrs.type) {
2014            case TYPE_STATUS_BAR:
2015            case TYPE_NAVIGATION_BAR:
2016            case TYPE_WALLPAPER:
2017            case TYPE_DREAM:
2018            case TYPE_KEYGUARD_SCRIM:
2019                return false;
2020            default:
2021                return true;
2022        }
2023    }
2024
2025    @Override
2026    public WindowState getWinShowWhenLockedLw() {
2027        return mWinShowWhenLocked;
2028    }
2029
2030    /** {@inheritDoc} */
2031    @Override
2032    public View addStartingWindow(IBinder appToken, String packageName, int theme,
2033            CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes,
2034            int icon, int logo, int windowFlags) {
2035        if (!SHOW_STARTING_ANIMATIONS) {
2036            return null;
2037        }
2038        if (packageName == null) {
2039            return null;
2040        }
2041
2042        WindowManager wm = null;
2043        View view = null;
2044
2045        try {
2046            Context context = mContext;
2047            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow " + packageName
2048                    + ": nonLocalizedLabel=" + nonLocalizedLabel + " theme="
2049                    + Integer.toHexString(theme));
2050            if (theme != context.getThemeResId() || labelRes != 0) {
2051                try {
2052                    context = context.createPackageContext(packageName, 0);
2053                    context.setTheme(theme);
2054                } catch (PackageManager.NameNotFoundException e) {
2055                    // Ignore
2056                }
2057            }
2058
2059            Window win = new PhoneWindow(context);
2060            final TypedArray ta = win.getWindowStyle();
2061            if (ta.getBoolean(
2062                        com.android.internal.R.styleable.Window_windowDisablePreview, false)
2063                || ta.getBoolean(
2064                        com.android.internal.R.styleable.Window_windowShowWallpaper,false)) {
2065                return null;
2066            }
2067
2068            Resources r = context.getResources();
2069            win.setTitle(r.getText(labelRes, nonLocalizedLabel));
2070
2071            win.setType(
2072                WindowManager.LayoutParams.TYPE_APPLICATION_STARTING);
2073            // Force the window flags: this is a fake window, so it is not really
2074            // touchable or focusable by the user.  We also add in the ALT_FOCUSABLE_IM
2075            // flag because we do know that the next window will take input
2076            // focus, so we want to get the IME window up on top of us right away.
2077            win.setFlags(
2078                windowFlags|
2079                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2080                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2081                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
2082                windowFlags|
2083                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2084                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2085                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
2086
2087            win.setDefaultIcon(icon);
2088            win.setDefaultLogo(logo);
2089
2090            win.setLayout(WindowManager.LayoutParams.MATCH_PARENT,
2091                    WindowManager.LayoutParams.MATCH_PARENT);
2092
2093            final WindowManager.LayoutParams params = win.getAttributes();
2094            params.token = appToken;
2095            params.packageName = packageName;
2096            params.windowAnimations = win.getWindowStyle().getResourceId(
2097                    com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
2098            params.privateFlags |=
2099                    WindowManager.LayoutParams.PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED;
2100            params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
2101
2102            if (!compatInfo.supportsScreen()) {
2103                params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW;
2104            }
2105
2106            params.setTitle("Starting " + packageName);
2107
2108            wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
2109            view = win.getDecorView();
2110
2111            if (win.isFloating()) {
2112                // Whoops, there is no way to display an animation/preview
2113                // of such a thing!  After all that work...  let's skip it.
2114                // (Note that we must do this here because it is in
2115                // getDecorView() where the theme is evaluated...  maybe
2116                // we should peek the floating attribute from the theme
2117                // earlier.)
2118                return null;
2119            }
2120
2121            if (DEBUG_STARTING_WINDOW) Slog.d(
2122                TAG, "Adding starting window for " + packageName
2123                + " / " + appToken + ": "
2124                + (view.getParent() != null ? view : null));
2125
2126            wm.addView(view, params);
2127
2128            // Only return the view if it was successfully added to the
2129            // window manager... which we can tell by it having a parent.
2130            return view.getParent() != null ? view : null;
2131        } catch (WindowManager.BadTokenException e) {
2132            // ignore
2133            Log.w(TAG, appToken + " already running, starting window not displayed. " +
2134                    e.getMessage());
2135        } catch (RuntimeException e) {
2136            // don't crash if something else bad happens, for example a
2137            // failure loading resources because we are loading from an app
2138            // on external storage that has been unmounted.
2139            Log.w(TAG, appToken + " failed creating starting window", e);
2140        } finally {
2141            if (view != null && view.getParent() == null) {
2142                Log.w(TAG, "view not successfully added to wm, removing view");
2143                wm.removeViewImmediate(view);
2144            }
2145        }
2146
2147        return null;
2148    }
2149
2150    /** {@inheritDoc} */
2151    @Override
2152    public void removeStartingWindow(IBinder appToken, View window) {
2153        if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Removing starting window for " + appToken + ": "
2154                + window + " Callers=" + Debug.getCallers(4));
2155
2156        if (window != null) {
2157            WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
2158            wm.removeView(window);
2159        }
2160    }
2161
2162    /**
2163     * Preflight adding a window to the system.
2164     *
2165     * Currently enforces that three window types are singletons:
2166     * <ul>
2167     * <li>STATUS_BAR_TYPE</li>
2168     * <li>KEYGUARD_TYPE</li>
2169     * </ul>
2170     *
2171     * @param win The window to be added
2172     * @param attrs Information about the window to be added
2173     *
2174     * @return If ok, WindowManagerImpl.ADD_OKAY.  If too many singletons,
2175     * WindowManagerImpl.ADD_MULTIPLE_SINGLETON
2176     */
2177    @Override
2178    public int prepareAddWindowLw(WindowState win, WindowManager.LayoutParams attrs) {
2179        switch (attrs.type) {
2180            case TYPE_STATUS_BAR:
2181                mContext.enforceCallingOrSelfPermission(
2182                        android.Manifest.permission.STATUS_BAR_SERVICE,
2183                        "PhoneWindowManager");
2184                if (mStatusBar != null) {
2185                    if (mStatusBar.isAlive()) {
2186                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2187                    }
2188                }
2189                mStatusBar = win;
2190                mStatusBarController.setWindow(win);
2191                break;
2192            case TYPE_NAVIGATION_BAR:
2193                mContext.enforceCallingOrSelfPermission(
2194                        android.Manifest.permission.STATUS_BAR_SERVICE,
2195                        "PhoneWindowManager");
2196                if (mNavigationBar != null) {
2197                    if (mNavigationBar.isAlive()) {
2198                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2199                    }
2200                }
2201                mNavigationBar = win;
2202                mNavigationBarController.setWindow(win);
2203                if (DEBUG_LAYOUT) Slog.i(TAG, "NAVIGATION BAR: " + mNavigationBar);
2204                break;
2205            case TYPE_NAVIGATION_BAR_PANEL:
2206                mContext.enforceCallingOrSelfPermission(
2207                        android.Manifest.permission.STATUS_BAR_SERVICE,
2208                        "PhoneWindowManager");
2209                break;
2210            case TYPE_STATUS_BAR_PANEL:
2211                mContext.enforceCallingOrSelfPermission(
2212                        android.Manifest.permission.STATUS_BAR_SERVICE,
2213                        "PhoneWindowManager");
2214                break;
2215            case TYPE_STATUS_BAR_SUB_PANEL:
2216                mContext.enforceCallingOrSelfPermission(
2217                        android.Manifest.permission.STATUS_BAR_SERVICE,
2218                        "PhoneWindowManager");
2219                break;
2220            case TYPE_KEYGUARD_SCRIM:
2221                if (mKeyguardScrim != null) {
2222                    return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2223                }
2224                mKeyguardScrim = win;
2225                break;
2226        }
2227        return WindowManagerGlobal.ADD_OKAY;
2228    }
2229
2230    /** {@inheritDoc} */
2231    @Override
2232    public void removeWindowLw(WindowState win) {
2233        if (mStatusBar == win) {
2234            mStatusBar = null;
2235            mStatusBarController.setWindow(null);
2236            mKeyguardDelegate.showScrim();
2237        } else if (mKeyguardScrim == win) {
2238            Log.v(TAG, "Removing keyguard scrim");
2239            mKeyguardScrim = null;
2240        } if (mNavigationBar == win) {
2241            mNavigationBar = null;
2242            mNavigationBarController.setWindow(null);
2243        }
2244    }
2245
2246    static final boolean PRINT_ANIM = false;
2247
2248    /** {@inheritDoc} */
2249    @Override
2250    public int selectAnimationLw(WindowState win, int transit) {
2251        if (PRINT_ANIM) Log.i(TAG, "selectAnimation in " + win
2252              + ": transit=" + transit);
2253        if (win == mStatusBar) {
2254            boolean isKeyguard = (win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
2255            if (transit == TRANSIT_EXIT
2256                    || transit == TRANSIT_HIDE) {
2257                return isKeyguard ? -1 : R.anim.dock_top_exit;
2258            } else if (transit == TRANSIT_ENTER
2259                    || transit == TRANSIT_SHOW) {
2260                return isKeyguard ? -1 : R.anim.dock_top_enter;
2261            }
2262        } else if (win == mNavigationBar) {
2263            // This can be on either the bottom or the right.
2264            if (mNavigationBarOnBottom) {
2265                if (transit == TRANSIT_EXIT
2266                        || transit == TRANSIT_HIDE) {
2267                    return R.anim.dock_bottom_exit;
2268                } else if (transit == TRANSIT_ENTER
2269                        || transit == TRANSIT_SHOW) {
2270                    return R.anim.dock_bottom_enter;
2271                }
2272            } else {
2273                if (transit == TRANSIT_EXIT
2274                        || transit == TRANSIT_HIDE) {
2275                    return R.anim.dock_right_exit;
2276                } else if (transit == TRANSIT_ENTER
2277                        || transit == TRANSIT_SHOW) {
2278                    return R.anim.dock_right_enter;
2279                }
2280            }
2281        }
2282
2283        if (transit == TRANSIT_PREVIEW_DONE) {
2284            if (win.hasAppShownWindows()) {
2285                if (PRINT_ANIM) Log.i(TAG, "**** STARTING EXIT");
2286                return com.android.internal.R.anim.app_starting_exit;
2287            }
2288        } else if (win.getAttrs().type == TYPE_DREAM && mDreamingLockscreen
2289                && transit == TRANSIT_ENTER) {
2290            // Special case: we are animating in a dream, while the keyguard
2291            // is shown.  We don't want an animation on the dream, because
2292            // we need it shown immediately with the keyguard animating away
2293            // to reveal it.
2294            return -1;
2295        }
2296
2297        return 0;
2298    }
2299
2300    @Override
2301    public void selectRotationAnimationLw(int anim[]) {
2302        if (PRINT_ANIM) Slog.i(TAG, "selectRotationAnimation mTopFullscreen="
2303                + mTopFullscreenOpaqueWindowState + " rotationAnimation="
2304                + (mTopFullscreenOpaqueWindowState == null ?
2305                        "0" : mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation));
2306        if (mTopFullscreenOpaqueWindowState != null && mTopIsFullscreen) {
2307            switch (mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation) {
2308                case ROTATION_ANIMATION_CROSSFADE:
2309                    anim[0] = R.anim.rotation_animation_xfade_exit;
2310                    anim[1] = R.anim.rotation_animation_enter;
2311                    break;
2312                case ROTATION_ANIMATION_JUMPCUT:
2313                    anim[0] = R.anim.rotation_animation_jump_exit;
2314                    anim[1] = R.anim.rotation_animation_enter;
2315                    break;
2316                case ROTATION_ANIMATION_ROTATE:
2317                default:
2318                    anim[0] = anim[1] = 0;
2319                    break;
2320            }
2321        } else {
2322            anim[0] = anim[1] = 0;
2323        }
2324    }
2325
2326    @Override
2327    public boolean validateRotationAnimationLw(int exitAnimId, int enterAnimId,
2328            boolean forceDefault) {
2329        switch (exitAnimId) {
2330            case R.anim.rotation_animation_xfade_exit:
2331            case R.anim.rotation_animation_jump_exit:
2332                // These are the only cases that matter.
2333                if (forceDefault) {
2334                    return false;
2335                }
2336                int anim[] = new int[2];
2337                selectRotationAnimationLw(anim);
2338                return (exitAnimId == anim[0] && enterAnimId == anim[1]);
2339            default:
2340                return true;
2341        }
2342    }
2343
2344    @Override
2345    public Animation createForceHideEnterAnimation(boolean onWallpaper,
2346            boolean goingToNotificationShade) {
2347        if (goingToNotificationShade) {
2348            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_behind_enter_fade_in);
2349        }
2350
2351        AnimationSet set = (AnimationSet) AnimationUtils.loadAnimation(mContext, onWallpaper ?
2352                    R.anim.lock_screen_behind_enter_wallpaper :
2353                    R.anim.lock_screen_behind_enter);
2354
2355        // TODO: Use XML interpolators when we have log interpolators available in XML.
2356        final List<Animation> animations = set.getAnimations();
2357        for (int i = animations.size() - 1; i >= 0; --i) {
2358            animations.get(i).setInterpolator(mLogDecelerateInterpolator);
2359        }
2360
2361        return set;
2362    }
2363
2364
2365    @Override
2366    public Animation createForceHideWallpaperExitAnimation(boolean goingToNotificationShade) {
2367        if (goingToNotificationShade) {
2368            return null;
2369        } else {
2370            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_wallpaper_exit);
2371        }
2372    }
2373
2374    private static void awakenDreams() {
2375        IDreamManager dreamManager = getDreamManager();
2376        if (dreamManager != null) {
2377            try {
2378                dreamManager.awaken();
2379            } catch (RemoteException e) {
2380                // fine, stay asleep then
2381            }
2382        }
2383    }
2384
2385    static IDreamManager getDreamManager() {
2386        return IDreamManager.Stub.asInterface(
2387                ServiceManager.checkService(DreamService.DREAM_SERVICE));
2388    }
2389
2390    TelecomManager getTelecommService() {
2391        return (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE);
2392    }
2393
2394    static IAudioService getAudioService() {
2395        IAudioService audioService = IAudioService.Stub.asInterface(
2396                ServiceManager.checkService(Context.AUDIO_SERVICE));
2397        if (audioService == null) {
2398            Log.w(TAG, "Unable to find IAudioService interface.");
2399        }
2400        return audioService;
2401    }
2402
2403    boolean keyguardOn() {
2404        return isKeyguardShowingAndNotOccluded() || inKeyguardRestrictedKeyInputMode();
2405    }
2406
2407    private static final int[] WINDOW_TYPES_WHERE_HOME_DOESNT_WORK = {
2408            WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
2409            WindowManager.LayoutParams.TYPE_SYSTEM_ERROR,
2410        };
2411
2412    /** {@inheritDoc} */
2413    @Override
2414    public long interceptKeyBeforeDispatching(WindowState win, KeyEvent event, int policyFlags) {
2415        final boolean keyguardOn = keyguardOn();
2416        final int keyCode = event.getKeyCode();
2417        final int repeatCount = event.getRepeatCount();
2418        final int metaState = event.getMetaState();
2419        final int flags = event.getFlags();
2420        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
2421        final boolean canceled = event.isCanceled();
2422
2423        if (DEBUG_INPUT) {
2424            Log.d(TAG, "interceptKeyTi keyCode=" + keyCode + " down=" + down + " repeatCount="
2425                    + repeatCount + " keyguardOn=" + keyguardOn + " mHomePressed=" + mHomePressed
2426                    + " canceled=" + canceled);
2427        }
2428
2429        // If we think we might have a volume down & power key chord on the way
2430        // but we're not sure, then tell the dispatcher to wait a little while and
2431        // try again later before dispatching.
2432        if (mScreenshotChordEnabled && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
2433            if (mScreenshotChordVolumeDownKeyTriggered && !mScreenshotChordPowerKeyTriggered) {
2434                final long now = SystemClock.uptimeMillis();
2435                final long timeoutTime = mScreenshotChordVolumeDownKeyTime
2436                        + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
2437                if (now < timeoutTime) {
2438                    return timeoutTime - now;
2439                }
2440            }
2441            if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
2442                    && mScreenshotChordVolumeDownKeyConsumed) {
2443                if (!down) {
2444                    mScreenshotChordVolumeDownKeyConsumed = false;
2445                }
2446                return -1;
2447            }
2448        }
2449
2450        // Cancel any pending meta actions if we see any other keys being pressed between the down
2451        // of the meta key and its corresponding up.
2452        if (mPendingMetaAction && !KeyEvent.isMetaKey(keyCode)) {
2453            mPendingMetaAction = false;
2454        }
2455
2456        // First we always handle the home key here, so applications
2457        // can never break it, although if keyguard is on, we do let
2458        // it handle it, because that gives us the correct 5 second
2459        // timeout.
2460        if (keyCode == KeyEvent.KEYCODE_HOME) {
2461
2462            // If we have released the home key, and didn't do anything else
2463            // while it was pressed, then it is time to go home!
2464            if (!down) {
2465                cancelPreloadRecentApps();
2466
2467                mHomePressed = false;
2468                if (mHomeConsumed) {
2469                    mHomeConsumed = false;
2470                    return -1;
2471                }
2472
2473                if (canceled) {
2474                    Log.i(TAG, "Ignoring HOME; event canceled.");
2475                    return -1;
2476                }
2477
2478                // If an incoming call is ringing, HOME is totally disabled.
2479                // (The user is already on the InCallUI at this point,
2480                // and his ONLY options are to answer or reject the call.)
2481                TelecomManager telecomManager = getTelecommService();
2482                if (telecomManager != null && telecomManager.isRinging()) {
2483                    Log.i(TAG, "Ignoring HOME; there's a ringing incoming call.");
2484                    return -1;
2485                }
2486
2487                // Delay handling home if a double-tap is possible.
2488                if (mDoubleTapOnHomeBehavior != DOUBLE_TAP_HOME_NOTHING) {
2489                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable); // just in case
2490                    mHomeDoubleTapPending = true;
2491                    mHandler.postDelayed(mHomeDoubleTapTimeoutRunnable,
2492                            ViewConfiguration.getDoubleTapTimeout());
2493                    return -1;
2494                }
2495
2496                handleShortPressOnHome();
2497                return -1;
2498            }
2499
2500            // If a system window has focus, then it doesn't make sense
2501            // right now to interact with applications.
2502            WindowManager.LayoutParams attrs = win != null ? win.getAttrs() : null;
2503            if (attrs != null) {
2504                final int type = attrs.type;
2505                if (type == WindowManager.LayoutParams.TYPE_KEYGUARD_SCRIM
2506                        || type == WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG
2507                        || (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
2508                    // the "app" is keyguard, so give it the key
2509                    return 0;
2510                }
2511                final int typeCount = WINDOW_TYPES_WHERE_HOME_DOESNT_WORK.length;
2512                for (int i=0; i<typeCount; i++) {
2513                    if (type == WINDOW_TYPES_WHERE_HOME_DOESNT_WORK[i]) {
2514                        // don't do anything, but also don't pass it to the app
2515                        return -1;
2516                    }
2517                }
2518            }
2519
2520            // Remember that home is pressed and handle special actions.
2521            if (repeatCount == 0) {
2522                mHomePressed = true;
2523                if (mHomeDoubleTapPending) {
2524                    mHomeDoubleTapPending = false;
2525                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable);
2526                    handleDoubleTapOnHome();
2527                } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI
2528                        || mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
2529                    preloadRecentApps();
2530                }
2531            } else if ((event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) {
2532                if (!keyguardOn) {
2533                    handleLongPressOnHome();
2534                }
2535            }
2536            return -1;
2537        } else if (keyCode == KeyEvent.KEYCODE_MENU) {
2538            // Hijack modified menu keys for debugging features
2539            final int chordBug = KeyEvent.META_SHIFT_ON;
2540
2541            if (down && repeatCount == 0) {
2542                if (mEnableShiftMenuBugReports && (metaState & chordBug) == chordBug) {
2543                    Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
2544                    mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT,
2545                            null, null, null, 0, null, null);
2546                    return -1;
2547                } else if (SHOW_PROCESSES_ON_ALT_MENU &&
2548                        (metaState & KeyEvent.META_ALT_ON) == KeyEvent.META_ALT_ON) {
2549                    Intent service = new Intent();
2550                    service.setClassName(mContext, "com.android.server.LoadAverageService");
2551                    ContentResolver res = mContext.getContentResolver();
2552                    boolean shown = Settings.Global.getInt(
2553                            res, Settings.Global.SHOW_PROCESSES, 0) != 0;
2554                    if (!shown) {
2555                        mContext.startService(service);
2556                    } else {
2557                        mContext.stopService(service);
2558                    }
2559                    Settings.Global.putInt(
2560                            res, Settings.Global.SHOW_PROCESSES, shown ? 0 : 1);
2561                    return -1;
2562                }
2563            }
2564        } else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
2565            if (down) {
2566                if (repeatCount == 0) {
2567                    mSearchKeyShortcutPending = true;
2568                    mConsumeSearchKeyUp = false;
2569                }
2570            } else {
2571                mSearchKeyShortcutPending = false;
2572                if (mConsumeSearchKeyUp) {
2573                    mConsumeSearchKeyUp = false;
2574                    return -1;
2575                }
2576            }
2577            return 0;
2578        } else if (keyCode == KeyEvent.KEYCODE_APP_SWITCH) {
2579            if (!keyguardOn) {
2580                if (down && repeatCount == 0) {
2581                    preloadRecentApps();
2582                } else if (!down) {
2583                    toggleRecentApps();
2584                }
2585            }
2586            return -1;
2587        } else if (keyCode == KeyEvent.KEYCODE_ASSIST) {
2588            if (down) {
2589                if (repeatCount == 0) {
2590                    mAssistKeyLongPressed = false;
2591                } else if (repeatCount == 1) {
2592                    mAssistKeyLongPressed = true;
2593                    if (!keyguardOn) {
2594                         launchAssistLongPressAction();
2595                    }
2596                }
2597            } else {
2598                if (mAssistKeyLongPressed) {
2599                    mAssistKeyLongPressed = false;
2600                } else {
2601                    if (!keyguardOn) {
2602                        launchAssistAction();
2603                    }
2604                }
2605            }
2606            return -1;
2607        } else if (keyCode == KeyEvent.KEYCODE_VOICE_ASSIST) {
2608            if (!down) {
2609                Intent voiceIntent;
2610                if (!keyguardOn) {
2611                    voiceIntent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
2612                } else {
2613                    voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
2614                    voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, true);
2615                }
2616                mContext.startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
2617            }
2618        } else if (keyCode == KeyEvent.KEYCODE_SYSRQ) {
2619            if (down && repeatCount == 0) {
2620                mHandler.post(mScreenshotRunnable);
2621            }
2622            return -1;
2623        } else if (keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP
2624                || keyCode == KeyEvent.KEYCODE_BRIGHTNESS_DOWN) {
2625            if (down) {
2626                int direction = keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP ? 1 : -1;
2627
2628                // Disable autobrightness if it's on
2629                int auto = Settings.System.getIntForUser(
2630                        mContext.getContentResolver(),
2631                        Settings.System.SCREEN_BRIGHTNESS_MODE,
2632                        Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
2633                        UserHandle.USER_CURRENT_OR_SELF);
2634                if (auto != 0) {
2635                    Settings.System.putIntForUser(mContext.getContentResolver(),
2636                            Settings.System.SCREEN_BRIGHTNESS_MODE,
2637                            Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
2638                            UserHandle.USER_CURRENT_OR_SELF);
2639                }
2640
2641                int min = mPowerManager.getMinimumScreenBrightnessSetting();
2642                int max = mPowerManager.getMaximumScreenBrightnessSetting();
2643                int step = (max - min + BRIGHTNESS_STEPS - 1) / BRIGHTNESS_STEPS * direction;
2644                int brightness = Settings.System.getIntForUser(mContext.getContentResolver(),
2645                        Settings.System.SCREEN_BRIGHTNESS,
2646                        mPowerManager.getDefaultScreenBrightnessSetting(),
2647                        UserHandle.USER_CURRENT_OR_SELF);
2648                brightness += step;
2649                // Make sure we don't go beyond the limits.
2650                brightness = Math.min(max, brightness);
2651                brightness = Math.max(min, brightness);
2652
2653                Settings.System.putIntForUser(mContext.getContentResolver(),
2654                        Settings.System.SCREEN_BRIGHTNESS, brightness,
2655                        UserHandle.USER_CURRENT_OR_SELF);
2656                mContext.startActivityAsUser(new Intent(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG),
2657                        UserHandle.CURRENT_OR_SELF);
2658            }
2659            return -1;
2660        } else if (KeyEvent.isMetaKey(keyCode)) {
2661            if (down) {
2662                mPendingMetaAction = true;
2663            } else if (mPendingMetaAction) {
2664                launchAssistAction(Intent.EXTRA_ASSIST_INPUT_HINT_KEYBOARD);
2665            }
2666            return -1;
2667        }
2668
2669        // Shortcuts are invoked through Search+key, so intercept those here
2670        // Any printing key that is chorded with Search should be consumed
2671        // even if no shortcut was invoked.  This prevents text from being
2672        // inadvertently inserted when using a keyboard that has built-in macro
2673        // shortcut keys (that emit Search+x) and some of them are not registered.
2674        if (mSearchKeyShortcutPending) {
2675            final KeyCharacterMap kcm = event.getKeyCharacterMap();
2676            if (kcm.isPrintingKey(keyCode)) {
2677                mConsumeSearchKeyUp = true;
2678                mSearchKeyShortcutPending = false;
2679                if (down && repeatCount == 0 && !keyguardOn) {
2680                    Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState);
2681                    if (shortcutIntent != null) {
2682                        shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2683                        try {
2684                            mContext.startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
2685                        } catch (ActivityNotFoundException ex) {
2686                            Slog.w(TAG, "Dropping shortcut key combination because "
2687                                    + "the activity to which it is registered was not found: "
2688                                    + "SEARCH+" + KeyEvent.keyCodeToString(keyCode), ex);
2689                        }
2690                    } else {
2691                        Slog.i(TAG, "Dropping unregistered shortcut key combination: "
2692                                + "SEARCH+" + KeyEvent.keyCodeToString(keyCode));
2693                    }
2694                }
2695                return -1;
2696            }
2697        }
2698
2699        // Invoke shortcuts using Meta.
2700        if (down && repeatCount == 0 && !keyguardOn
2701                && (metaState & KeyEvent.META_META_ON) != 0) {
2702            final KeyCharacterMap kcm = event.getKeyCharacterMap();
2703            if (kcm.isPrintingKey(keyCode)) {
2704                Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode,
2705                        metaState & ~(KeyEvent.META_META_ON
2706                                | KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_RIGHT_ON));
2707                if (shortcutIntent != null) {
2708                    shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2709                    try {
2710                        mContext.startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
2711                    } catch (ActivityNotFoundException ex) {
2712                        Slog.w(TAG, "Dropping shortcut key combination because "
2713                                + "the activity to which it is registered was not found: "
2714                                + "META+" + KeyEvent.keyCodeToString(keyCode), ex);
2715                    }
2716                    return -1;
2717                }
2718            }
2719        }
2720
2721        // Handle application launch keys.
2722        if (down && repeatCount == 0 && !keyguardOn) {
2723            String category = sApplicationLaunchKeyCategories.get(keyCode);
2724            if (category != null) {
2725                Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, category);
2726                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2727                try {
2728                    mContext.startActivityAsUser(intent, UserHandle.CURRENT);
2729                } catch (ActivityNotFoundException ex) {
2730                    Slog.w(TAG, "Dropping application launch key because "
2731                            + "the activity to which it is registered was not found: "
2732                            + "keyCode=" + keyCode + ", category=" + category, ex);
2733                }
2734                return -1;
2735            }
2736        }
2737
2738        // Display task switcher for ALT-TAB.
2739        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_TAB) {
2740            if (mRecentAppsHeldModifiers == 0 && !keyguardOn) {
2741                final int shiftlessModifiers = event.getModifiers() & ~KeyEvent.META_SHIFT_MASK;
2742                if (KeyEvent.metaStateHasModifiers(shiftlessModifiers, KeyEvent.META_ALT_ON)) {
2743                    mRecentAppsHeldModifiers = shiftlessModifiers;
2744                    showRecentApps(true);
2745                    return -1;
2746                }
2747            }
2748        } else if (!down && mRecentAppsHeldModifiers != 0
2749                && (metaState & mRecentAppsHeldModifiers) == 0) {
2750            mRecentAppsHeldModifiers = 0;
2751            hideRecentApps(true, false);
2752        }
2753
2754        // Handle keyboard language switching.
2755        if (down && repeatCount == 0
2756                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
2757                        || (keyCode == KeyEvent.KEYCODE_SPACE
2758                                && (metaState & KeyEvent.META_CTRL_MASK) != 0))) {
2759            int direction = (metaState & KeyEvent.META_SHIFT_MASK) != 0 ? -1 : 1;
2760            mWindowManagerFuncs.switchKeyboardLayout(event.getDeviceId(), direction);
2761            return -1;
2762        }
2763        if (mLanguageSwitchKeyPressed && !down
2764                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
2765                        || keyCode == KeyEvent.KEYCODE_SPACE)) {
2766            mLanguageSwitchKeyPressed = false;
2767            return -1;
2768        }
2769
2770        if (isValidGlobalKey(keyCode)
2771                && mGlobalKeyManager.handleGlobalKey(mContext, keyCode, event)) {
2772            return -1;
2773        }
2774
2775        // Reserve all the META modifier combos for system behavior
2776        if ((metaState & KeyEvent.META_META_ON) != 0) {
2777            return -1;
2778        }
2779
2780        // Let the application handle the key.
2781        return 0;
2782    }
2783
2784    /** {@inheritDoc} */
2785    @Override
2786    public KeyEvent dispatchUnhandledKey(WindowState win, KeyEvent event, int policyFlags) {
2787        // Note: This method is only called if the initial down was unhandled.
2788        if (DEBUG_INPUT) {
2789            Slog.d(TAG, "Unhandled key: win=" + win + ", action=" + event.getAction()
2790                    + ", flags=" + event.getFlags()
2791                    + ", keyCode=" + event.getKeyCode()
2792                    + ", scanCode=" + event.getScanCode()
2793                    + ", metaState=" + event.getMetaState()
2794                    + ", repeatCount=" + event.getRepeatCount()
2795                    + ", policyFlags=" + policyFlags);
2796        }
2797
2798        KeyEvent fallbackEvent = null;
2799        if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
2800            final KeyCharacterMap kcm = event.getKeyCharacterMap();
2801            final int keyCode = event.getKeyCode();
2802            final int metaState = event.getMetaState();
2803            final boolean initialDown = event.getAction() == KeyEvent.ACTION_DOWN
2804                    && event.getRepeatCount() == 0;
2805
2806            // Check for fallback actions specified by the key character map.
2807            final FallbackAction fallbackAction;
2808            if (initialDown) {
2809                fallbackAction = kcm.getFallbackAction(keyCode, metaState);
2810            } else {
2811                fallbackAction = mFallbackActions.get(keyCode);
2812            }
2813
2814            if (fallbackAction != null) {
2815                if (DEBUG_INPUT) {
2816                    Slog.d(TAG, "Fallback: keyCode=" + fallbackAction.keyCode
2817                            + " metaState=" + Integer.toHexString(fallbackAction.metaState));
2818                }
2819
2820                final int flags = event.getFlags() | KeyEvent.FLAG_FALLBACK;
2821                fallbackEvent = KeyEvent.obtain(
2822                        event.getDownTime(), event.getEventTime(),
2823                        event.getAction(), fallbackAction.keyCode,
2824                        event.getRepeatCount(), fallbackAction.metaState,
2825                        event.getDeviceId(), event.getScanCode(),
2826                        flags, event.getSource(), null);
2827
2828                if (!interceptFallback(win, fallbackEvent, policyFlags)) {
2829                    fallbackEvent.recycle();
2830                    fallbackEvent = null;
2831                }
2832
2833                if (initialDown) {
2834                    mFallbackActions.put(keyCode, fallbackAction);
2835                } else if (event.getAction() == KeyEvent.ACTION_UP) {
2836                    mFallbackActions.remove(keyCode);
2837                    fallbackAction.recycle();
2838                }
2839            }
2840        }
2841
2842        if (DEBUG_INPUT) {
2843            if (fallbackEvent == null) {
2844                Slog.d(TAG, "No fallback.");
2845            } else {
2846                Slog.d(TAG, "Performing fallback: " + fallbackEvent);
2847            }
2848        }
2849        return fallbackEvent;
2850    }
2851
2852    private boolean interceptFallback(WindowState win, KeyEvent fallbackEvent, int policyFlags) {
2853        int actions = interceptKeyBeforeQueueing(fallbackEvent, policyFlags);
2854        if ((actions & ACTION_PASS_TO_USER) != 0) {
2855            long delayMillis = interceptKeyBeforeDispatching(
2856                    win, fallbackEvent, policyFlags);
2857            if (delayMillis == 0) {
2858                return true;
2859            }
2860        }
2861        return false;
2862    }
2863
2864    private void launchAssistLongPressAction() {
2865        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
2866        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
2867
2868        // launch the search activity
2869        Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
2870        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2871        try {
2872            // TODO: This only stops the factory-installed search manager.
2873            // Need to formalize an API to handle others
2874            SearchManager searchManager = getSearchManager();
2875            if (searchManager != null) {
2876                searchManager.stopSearch();
2877            }
2878            mContext.startActivityAsUser(intent, UserHandle.CURRENT);
2879        } catch (ActivityNotFoundException e) {
2880            Slog.w(TAG, "No activity to handle assist long press action.", e);
2881        }
2882    }
2883
2884    private void launchAssistAction() {
2885        launchAssistAction(null);
2886    }
2887
2888    private void launchAssistAction(String hint) {
2889        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
2890        Intent intent = ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
2891                .getAssistIntent(mContext, true, UserHandle.USER_CURRENT);
2892        if (intent != null) {
2893            if (hint != null) {
2894                intent.putExtra(hint, true);
2895            }
2896            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
2897                    | Intent.FLAG_ACTIVITY_SINGLE_TOP
2898                    | Intent.FLAG_ACTIVITY_CLEAR_TOP);
2899            try {
2900                mContext.startActivityAsUser(intent, UserHandle.CURRENT);
2901            } catch (ActivityNotFoundException e) {
2902                Slog.w(TAG, "No activity to handle assist action.", e);
2903            }
2904        }
2905    }
2906
2907    private SearchManager getSearchManager() {
2908        if (mSearchManager == null) {
2909            mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
2910        }
2911        return mSearchManager;
2912    }
2913
2914    private void preloadRecentApps() {
2915        mPreloadedRecentApps = true;
2916        try {
2917            IStatusBarService statusbar = getStatusBarService();
2918            if (statusbar != null) {
2919                statusbar.preloadRecentApps();
2920            }
2921        } catch (RemoteException e) {
2922            Slog.e(TAG, "RemoteException when preloading recent apps", e);
2923            // re-acquire status bar service next time it is needed.
2924            mStatusBarService = null;
2925        }
2926    }
2927
2928    private void cancelPreloadRecentApps() {
2929        if (mPreloadedRecentApps) {
2930            mPreloadedRecentApps = false;
2931            try {
2932                IStatusBarService statusbar = getStatusBarService();
2933                if (statusbar != null) {
2934                    statusbar.cancelPreloadRecentApps();
2935                }
2936            } catch (RemoteException e) {
2937                Slog.e(TAG, "RemoteException when cancelling recent apps preload", e);
2938                // re-acquire status bar service next time it is needed.
2939                mStatusBarService = null;
2940            }
2941        }
2942    }
2943
2944    private void toggleRecentApps() {
2945        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
2946        try {
2947            IStatusBarService statusbar = getStatusBarService();
2948            if (statusbar != null) {
2949                statusbar.toggleRecentApps();
2950            }
2951        } catch (RemoteException e) {
2952            Slog.e(TAG, "RemoteException when toggling recent apps", e);
2953            // re-acquire status bar service next time it is needed.
2954            mStatusBarService = null;
2955        }
2956    }
2957
2958    @Override
2959    public void showRecentApps() {
2960        mHandler.removeMessages(MSG_DISPATCH_SHOW_RECENTS);
2961        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_RECENTS);
2962    }
2963
2964    private void showRecentApps(boolean triggeredFromAltTab) {
2965        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
2966        try {
2967            IStatusBarService statusbar = getStatusBarService();
2968            if (statusbar != null) {
2969                statusbar.showRecentApps(triggeredFromAltTab);
2970            }
2971        } catch (RemoteException e) {
2972            Slog.e(TAG, "RemoteException when showing recent apps", e);
2973            // re-acquire status bar service next time it is needed.
2974            mStatusBarService = null;
2975        }
2976    }
2977
2978    private void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHome) {
2979        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
2980        try {
2981            IStatusBarService statusbar = getStatusBarService();
2982            if (statusbar != null) {
2983                statusbar.hideRecentApps(triggeredFromAltTab, triggeredFromHome);
2984            }
2985        } catch (RemoteException e) {
2986            Slog.e(TAG, "RemoteException when closing recent apps", e);
2987            // re-acquire status bar service next time it is needed.
2988            mStatusBarService = null;
2989        }
2990    }
2991
2992    /**
2993     * A home key -> launch home action was detected.  Take the appropriate action
2994     * given the situation with the keyguard.
2995     */
2996    void launchHomeFromHotKey() {
2997        if (isKeyguardShowingAndNotOccluded()) {
2998            // don't launch home if keyguard showing
2999        } else if (!mHideLockScreen && mKeyguardDelegate.isInputRestricted()) {
3000            // when in keyguard restricted mode, must first verify unlock
3001            // before launching home
3002            mKeyguardDelegate.verifyUnlock(new OnKeyguardExitResult() {
3003                @Override
3004                public void onKeyguardExitResult(boolean success) {
3005                    if (success) {
3006                        try {
3007                            ActivityManagerNative.getDefault().stopAppSwitches();
3008                        } catch (RemoteException e) {
3009                        }
3010                        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3011                        startDockOrHome(true /*fromHomeKey*/);
3012                    }
3013                }
3014            });
3015        } else {
3016            // no keyguard stuff to worry about, just launch home!
3017            try {
3018                ActivityManagerNative.getDefault().stopAppSwitches();
3019            } catch (RemoteException e) {
3020            }
3021            if (mRecentsVisible) {
3022                // Hide Recents and notify it to launch Home
3023                awakenDreams();
3024                sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3025                hideRecentApps(false, true);
3026            } else {
3027                // Otherwise, just launch Home
3028                sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3029                startDockOrHome(true /*fromHomeKey*/);
3030            }
3031        }
3032    }
3033
3034    private final Runnable mClearHideNavigationFlag = new Runnable() {
3035        @Override
3036        public void run() {
3037            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3038                // Clear flags.
3039                mForceClearedSystemUiFlags &=
3040                        ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3041            }
3042            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3043        }
3044    };
3045
3046    /**
3047     * Input handler used while nav bar is hidden.  Captures any touch on the screen,
3048     * to determine when the nav bar should be shown and prevent applications from
3049     * receiving those touches.
3050     */
3051    final class HideNavInputEventReceiver extends InputEventReceiver {
3052        public HideNavInputEventReceiver(InputChannel inputChannel, Looper looper) {
3053            super(inputChannel, looper);
3054        }
3055
3056        @Override
3057        public void onInputEvent(InputEvent event) {
3058            boolean handled = false;
3059            try {
3060                if (event instanceof MotionEvent
3061                        && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
3062                    final MotionEvent motionEvent = (MotionEvent)event;
3063                    if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
3064                        // When the user taps down, we re-show the nav bar.
3065                        boolean changed = false;
3066                        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3067                            // Any user activity always causes us to show the
3068                            // navigation controls, if they had been hidden.
3069                            // We also clear the low profile and only content
3070                            // flags so that tapping on the screen will atomically
3071                            // restore all currently hidden screen decorations.
3072                            int newVal = mResettingSystemUiFlags |
3073                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
3074                                    View.SYSTEM_UI_FLAG_LOW_PROFILE |
3075                                    View.SYSTEM_UI_FLAG_FULLSCREEN;
3076                            if (mResettingSystemUiFlags != newVal) {
3077                                mResettingSystemUiFlags = newVal;
3078                                changed = true;
3079                            }
3080                            // We don't allow the system's nav bar to be hidden
3081                            // again for 1 second, to prevent applications from
3082                            // spamming us and keeping it from being shown.
3083                            newVal = mForceClearedSystemUiFlags |
3084                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3085                            if (mForceClearedSystemUiFlags != newVal) {
3086                                mForceClearedSystemUiFlags = newVal;
3087                                changed = true;
3088                                mHandler.postDelayed(mClearHideNavigationFlag, 1000);
3089                            }
3090                        }
3091                        if (changed) {
3092                            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3093                        }
3094                    }
3095                }
3096            } finally {
3097                finishInputEvent(event, handled);
3098            }
3099        }
3100    }
3101    final InputEventReceiver.Factory mHideNavInputEventReceiverFactory =
3102            new InputEventReceiver.Factory() {
3103        @Override
3104        public InputEventReceiver createInputEventReceiver(
3105                InputChannel inputChannel, Looper looper) {
3106            return new HideNavInputEventReceiver(inputChannel, looper);
3107        }
3108    };
3109
3110    @Override
3111    public int adjustSystemUiVisibilityLw(int visibility) {
3112        mStatusBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3113        mNavigationBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3114        mRecentsVisible = (visibility & View.RECENT_APPS_VISIBLE) > 0;
3115
3116        // Reset any bits in mForceClearingStatusBarVisibility that
3117        // are now clear.
3118        mResettingSystemUiFlags &= visibility;
3119        // Clear any bits in the new visibility that are currently being
3120        // force cleared, before reporting it.
3121        return visibility & ~mResettingSystemUiFlags
3122                & ~mForceClearedSystemUiFlags;
3123    }
3124
3125    @Override
3126    public void getInsetHintLw(WindowManager.LayoutParams attrs, Rect outContentInsets,
3127            Rect outStableInsets) {
3128        final int fl = PolicyControl.getWindowFlags(null, attrs);
3129        final int sysuiVis = PolicyControl.getSystemUiVisibility(null, attrs);
3130        final int systemUiVisibility = (sysuiVis | attrs.subtreeSystemUiVisibility);
3131
3132        if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3133                == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3134            int availRight, availBottom;
3135            if (canHideNavigationBar() &&
3136                    (systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0) {
3137                availRight = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3138                availBottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3139            } else {
3140                availRight = mRestrictedScreenLeft + mRestrictedScreenWidth;
3141                availBottom = mRestrictedScreenTop + mRestrictedScreenHeight;
3142            }
3143            if ((systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3144                if ((fl & FLAG_FULLSCREEN) != 0) {
3145                    outContentInsets.set(mStableFullscreenLeft, mStableFullscreenTop,
3146                            availRight - mStableFullscreenRight,
3147                            availBottom - mStableFullscreenBottom);
3148                } else {
3149                    outContentInsets.set(mStableLeft, mStableTop,
3150                            availRight - mStableRight, availBottom - mStableBottom);
3151                }
3152            } else if ((fl & FLAG_FULLSCREEN) != 0 || (fl & FLAG_LAYOUT_IN_OVERSCAN) != 0) {
3153                outContentInsets.setEmpty();
3154            } else if ((systemUiVisibility & (View.SYSTEM_UI_FLAG_FULLSCREEN
3155                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)) == 0) {
3156                outContentInsets.set(mCurLeft, mCurTop,
3157                        availRight - mCurRight, availBottom - mCurBottom);
3158            } else {
3159                outContentInsets.set(mCurLeft, mCurTop,
3160                        availRight - mCurRight, availBottom - mCurBottom);
3161            }
3162
3163            outStableInsets.set(mStableLeft, mStableTop,
3164                    availRight - mStableRight, availBottom - mStableBottom);
3165            return;
3166        }
3167        outContentInsets.setEmpty();
3168        outStableInsets.setEmpty();
3169    }
3170
3171    /** {@inheritDoc} */
3172    @Override
3173    public void beginLayoutLw(boolean isDefaultDisplay, int displayWidth, int displayHeight,
3174                              int displayRotation) {
3175        final int overscanLeft, overscanTop, overscanRight, overscanBottom;
3176        if (isDefaultDisplay) {
3177            switch (displayRotation) {
3178                case Surface.ROTATION_90:
3179                    overscanLeft = mOverscanTop;
3180                    overscanTop = mOverscanRight;
3181                    overscanRight = mOverscanBottom;
3182                    overscanBottom = mOverscanLeft;
3183                    break;
3184                case Surface.ROTATION_180:
3185                    overscanLeft = mOverscanRight;
3186                    overscanTop = mOverscanBottom;
3187                    overscanRight = mOverscanLeft;
3188                    overscanBottom = mOverscanTop;
3189                    break;
3190                case Surface.ROTATION_270:
3191                    overscanLeft = mOverscanBottom;
3192                    overscanTop = mOverscanLeft;
3193                    overscanRight = mOverscanTop;
3194                    overscanBottom = mOverscanRight;
3195                    break;
3196                default:
3197                    overscanLeft = mOverscanLeft;
3198                    overscanTop = mOverscanTop;
3199                    overscanRight = mOverscanRight;
3200                    overscanBottom = mOverscanBottom;
3201                    break;
3202            }
3203        } else {
3204            overscanLeft = 0;
3205            overscanTop = 0;
3206            overscanRight = 0;
3207            overscanBottom = 0;
3208        }
3209        mOverscanScreenLeft = mRestrictedOverscanScreenLeft = 0;
3210        mOverscanScreenTop = mRestrictedOverscanScreenTop = 0;
3211        mOverscanScreenWidth = mRestrictedOverscanScreenWidth = displayWidth;
3212        mOverscanScreenHeight = mRestrictedOverscanScreenHeight = displayHeight;
3213        mSystemLeft = 0;
3214        mSystemTop = 0;
3215        mSystemRight = displayWidth;
3216        mSystemBottom = displayHeight;
3217        mUnrestrictedScreenLeft = overscanLeft;
3218        mUnrestrictedScreenTop = overscanTop;
3219        mUnrestrictedScreenWidth = displayWidth - overscanLeft - overscanRight;
3220        mUnrestrictedScreenHeight = displayHeight - overscanTop - overscanBottom;
3221        mRestrictedScreenLeft = mUnrestrictedScreenLeft;
3222        mRestrictedScreenTop = mUnrestrictedScreenTop;
3223        mRestrictedScreenWidth = mSystemGestures.screenWidth = mUnrestrictedScreenWidth;
3224        mRestrictedScreenHeight = mSystemGestures.screenHeight = mUnrestrictedScreenHeight;
3225        mDockLeft = mContentLeft = mVoiceContentLeft = mStableLeft = mStableFullscreenLeft
3226                = mCurLeft = mUnrestrictedScreenLeft;
3227        mDockTop = mContentTop = mVoiceContentTop = mStableTop = mStableFullscreenTop
3228                = mCurTop = mUnrestrictedScreenTop;
3229        mDockRight = mContentRight = mVoiceContentRight = mStableRight = mStableFullscreenRight
3230                = mCurRight = displayWidth - overscanRight;
3231        mDockBottom = mContentBottom = mVoiceContentBottom = mStableBottom = mStableFullscreenBottom
3232                = mCurBottom = displayHeight - overscanBottom;
3233        mDockLayer = 0x10000000;
3234        mStatusBarLayer = -1;
3235
3236        // start with the current dock rect, which will be (0,0,displayWidth,displayHeight)
3237        final Rect pf = mTmpParentFrame;
3238        final Rect df = mTmpDisplayFrame;
3239        final Rect of = mTmpOverscanFrame;
3240        final Rect vf = mTmpVisibleFrame;
3241        final Rect dcf = mTmpDecorFrame;
3242        pf.left = df.left = of.left = vf.left = mDockLeft;
3243        pf.top = df.top = of.top = vf.top = mDockTop;
3244        pf.right = df.right = of.right = vf.right = mDockRight;
3245        pf.bottom = df.bottom = of.bottom = vf.bottom = mDockBottom;
3246        dcf.setEmpty();  // Decor frame N/A for system bars.
3247
3248        if (isDefaultDisplay) {
3249            // For purposes of putting out fake window up to steal focus, we will
3250            // drive nav being hidden only by whether it is requested.
3251            final int sysui = mLastSystemUiFlags;
3252            boolean navVisible = (sysui & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0;
3253            boolean navTranslucent = (sysui
3254                    & (View.NAVIGATION_BAR_TRANSLUCENT | View.SYSTEM_UI_TRANSPARENT)) != 0;
3255            boolean immersive = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
3256            boolean immersiveSticky = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
3257            boolean navAllowedHidden = immersive || immersiveSticky;
3258            navTranslucent &= !immersiveSticky;  // transient trumps translucent
3259            boolean isKeyguardShowing = isStatusBarKeyguard() && !mHideLockScreen;
3260            if (!isKeyguardShowing) {
3261                navTranslucent &= areTranslucentBarsAllowed();
3262            }
3263
3264            // When the navigation bar isn't visible, we put up a fake
3265            // input window to catch all touch events.  This way we can
3266            // detect when the user presses anywhere to bring back the nav
3267            // bar and ensure the application doesn't see the event.
3268            if (navVisible || navAllowedHidden) {
3269                if (mHideNavFakeWindow != null) {
3270                    mHideNavFakeWindow.dismiss();
3271                    mHideNavFakeWindow = null;
3272                }
3273            } else if (mHideNavFakeWindow == null) {
3274                mHideNavFakeWindow = mWindowManagerFuncs.addFakeWindow(
3275                        mHandler.getLooper(), mHideNavInputEventReceiverFactory,
3276                        "hidden nav", WindowManager.LayoutParams.TYPE_HIDDEN_NAV_CONSUMER, 0,
3277                        0, false, false, true);
3278            }
3279
3280            // For purposes of positioning and showing the nav bar, if we have
3281            // decided that it can't be hidden (because of the screen aspect ratio),
3282            // then take that into account.
3283            navVisible |= !canHideNavigationBar();
3284
3285            boolean updateSysUiVisibility = false;
3286            if (mNavigationBar != null) {
3287                boolean transientNavBarShowing = mNavigationBarController.isTransientShowing();
3288                // Force the navigation bar to its appropriate place and
3289                // size.  We need to do this directly, instead of relying on
3290                // it to bubble up from the nav bar, because this needs to
3291                // change atomically with screen rotations.
3292                mNavigationBarOnBottom = (!mNavigationBarCanMove || displayWidth < displayHeight);
3293                if (mNavigationBarOnBottom) {
3294                    // It's a system nav bar or a portrait screen; nav bar goes on bottom.
3295                    int top = displayHeight - overscanBottom
3296                            - mNavigationBarHeightForRotation[displayRotation];
3297                    mTmpNavigationFrame.set(0, top, displayWidth, displayHeight - overscanBottom);
3298                    mStableBottom = mStableFullscreenBottom = mTmpNavigationFrame.top;
3299                    if (transientNavBarShowing) {
3300                        mNavigationBarController.setBarShowingLw(true);
3301                    } else if (navVisible) {
3302                        mNavigationBarController.setBarShowingLw(true);
3303                        mDockBottom = mTmpNavigationFrame.top;
3304                        mRestrictedScreenHeight = mDockBottom - mRestrictedScreenTop;
3305                        mRestrictedOverscanScreenHeight = mDockBottom - mRestrictedOverscanScreenTop;
3306                    } else {
3307                        // We currently want to hide the navigation UI.
3308                        mNavigationBarController.setBarShowingLw(false);
3309                    }
3310                    if (navVisible && !navTranslucent && !navAllowedHidden
3311                            && !mNavigationBar.isAnimatingLw()
3312                            && !mNavigationBarController.wasRecentlyTranslucent()) {
3313                        // If the opaque nav bar is currently requested to be visible,
3314                        // and not in the process of animating on or off, then
3315                        // we can tell the app that it is covered by it.
3316                        mSystemBottom = mTmpNavigationFrame.top;
3317                    }
3318                } else {
3319                    // Landscape screen; nav bar goes to the right.
3320                    int left = displayWidth - overscanRight
3321                            - mNavigationBarWidthForRotation[displayRotation];
3322                    mTmpNavigationFrame.set(left, 0, displayWidth - overscanRight, displayHeight);
3323                    mStableRight = mStableFullscreenRight = mTmpNavigationFrame.left;
3324                    if (transientNavBarShowing) {
3325                        mNavigationBarController.setBarShowingLw(true);
3326                    } else if (navVisible) {
3327                        mNavigationBarController.setBarShowingLw(true);
3328                        mDockRight = mTmpNavigationFrame.left;
3329                        mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
3330                        mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
3331                    } else {
3332                        // We currently want to hide the navigation UI.
3333                        mNavigationBarController.setBarShowingLw(false);
3334                    }
3335                    if (navVisible && !navTranslucent && !mNavigationBar.isAnimatingLw()
3336                            && !mNavigationBarController.wasRecentlyTranslucent()) {
3337                        // If the nav bar is currently requested to be visible,
3338                        // and not in the process of animating on or off, then
3339                        // we can tell the app that it is covered by it.
3340                        mSystemRight = mTmpNavigationFrame.left;
3341                    }
3342                }
3343                // Make sure the content and current rectangles are updated to
3344                // account for the restrictions from the navigation bar.
3345                mContentTop = mVoiceContentTop = mCurTop = mDockTop;
3346                mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
3347                mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
3348                mContentRight = mVoiceContentRight = mCurRight = mDockRight;
3349                mStatusBarLayer = mNavigationBar.getSurfaceLayer();
3350                // And compute the final frame.
3351                mNavigationBar.computeFrameLw(mTmpNavigationFrame, mTmpNavigationFrame,
3352                        mTmpNavigationFrame, mTmpNavigationFrame, mTmpNavigationFrame, dcf,
3353                        mTmpNavigationFrame);
3354                if (DEBUG_LAYOUT) Slog.i(TAG, "mNavigationBar frame: " + mTmpNavigationFrame);
3355                if (mNavigationBarController.checkHiddenLw()) {
3356                    updateSysUiVisibility = true;
3357                }
3358            }
3359            if (DEBUG_LAYOUT) Slog.i(TAG, String.format("mDock rect: (%d,%d - %d,%d)",
3360                    mDockLeft, mDockTop, mDockRight, mDockBottom));
3361
3362            // decide where the status bar goes ahead of time
3363            if (mStatusBar != null) {
3364                // apply any navigation bar insets
3365                pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3366                pf.top = df.top = of.top = mUnrestrictedScreenTop;
3367                pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
3368                pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight
3369                        + mUnrestrictedScreenTop;
3370                vf.left = mStableLeft;
3371                vf.top = mStableTop;
3372                vf.right = mStableRight;
3373                vf.bottom = mStableBottom;
3374
3375                mStatusBarLayer = mStatusBar.getSurfaceLayer();
3376
3377                // Let the status bar determine its size.
3378                mStatusBar.computeFrameLw(pf, df, vf, vf, vf, dcf, vf);
3379
3380                // For layout, the status bar is always at the top with our fixed height.
3381                mStableTop = mUnrestrictedScreenTop + mStatusBarHeight;
3382
3383                boolean statusBarTransient = (sysui & View.STATUS_BAR_TRANSIENT) != 0;
3384                boolean statusBarTranslucent = (sysui
3385                        & (View.STATUS_BAR_TRANSLUCENT | View.SYSTEM_UI_TRANSPARENT)) != 0;
3386                if (!isKeyguardShowing) {
3387                    statusBarTranslucent &= areTranslucentBarsAllowed();
3388                }
3389
3390                // If the status bar is hidden, we don't want to cause
3391                // windows behind it to scroll.
3392                if (mStatusBar.isVisibleLw() && !statusBarTransient) {
3393                    // Status bar may go away, so the screen area it occupies
3394                    // is available to apps but just covering them when the
3395                    // status bar is visible.
3396                    mDockTop = mUnrestrictedScreenTop + mStatusBarHeight;
3397
3398                    mContentTop = mVoiceContentTop = mCurTop = mDockTop;
3399                    mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
3400                    mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
3401                    mContentRight = mVoiceContentRight = mCurRight = mDockRight;
3402
3403                    if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar: " +
3404                        String.format(
3405                            "dock=[%d,%d][%d,%d] content=[%d,%d][%d,%d] cur=[%d,%d][%d,%d]",
3406                            mDockLeft, mDockTop, mDockRight, mDockBottom,
3407                            mContentLeft, mContentTop, mContentRight, mContentBottom,
3408                            mCurLeft, mCurTop, mCurRight, mCurBottom));
3409                }
3410                if (mStatusBar.isVisibleLw() && !mStatusBar.isAnimatingLw()
3411                        && !statusBarTransient && !statusBarTranslucent
3412                        && !mStatusBarController.wasRecentlyTranslucent()) {
3413                    // If the opaque status bar is currently requested to be visible,
3414                    // and not in the process of animating on or off, then
3415                    // we can tell the app that it is covered by it.
3416                    mSystemTop = mUnrestrictedScreenTop + mStatusBarHeight;
3417                }
3418                if (mStatusBarController.checkHiddenLw()) {
3419                    updateSysUiVisibility = true;
3420                }
3421            }
3422            if (updateSysUiVisibility) {
3423                updateSystemUiVisibilityLw();
3424            }
3425        }
3426    }
3427
3428    /** {@inheritDoc} */
3429    @Override
3430    public int getSystemDecorLayerLw() {
3431        if (mStatusBar != null) return mStatusBar.getSurfaceLayer();
3432        if (mNavigationBar != null) return mNavigationBar.getSurfaceLayer();
3433        return 0;
3434    }
3435
3436    @Override
3437    public void getContentRectLw(Rect r) {
3438        r.set(mContentLeft, mContentTop, mContentRight, mContentBottom);
3439    }
3440
3441    void setAttachedWindowFrames(WindowState win, int fl, int adjust, WindowState attached,
3442            boolean insetDecors, Rect pf, Rect df, Rect of, Rect cf, Rect vf) {
3443        if (win.getSurfaceLayer() > mDockLayer && attached.getSurfaceLayer() < mDockLayer) {
3444            // Here's a special case: if this attached window is a panel that is
3445            // above the dock window, and the window it is attached to is below
3446            // the dock window, then the frames we computed for the window it is
3447            // attached to can not be used because the dock is effectively part
3448            // of the underlying window and the attached window is floating on top
3449            // of the whole thing.  So, we ignore the attached window and explicitly
3450            // compute the frames that would be appropriate without the dock.
3451            df.left = of.left = cf.left = vf.left = mDockLeft;
3452            df.top = of.top = cf.top = vf.top = mDockTop;
3453            df.right = of.right = cf.right = vf.right = mDockRight;
3454            df.bottom = of.bottom = cf.bottom = vf.bottom = mDockBottom;
3455        } else {
3456            // The effective display frame of the attached window depends on
3457            // whether it is taking care of insetting its content.  If not,
3458            // we need to use the parent's content frame so that the entire
3459            // window is positioned within that content.  Otherwise we can use
3460            // the overscan frame and let the attached window take care of
3461            // positioning its content appropriately.
3462            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
3463                // Set the content frame of the attached window to the parent's decor frame
3464                // (same as content frame when IME isn't present) if specifically requested by
3465                // setting {@link WindowManager.LayoutParams#FLAG_LAYOUT_ATTACHED_IN_DECOR} flag.
3466                // Otherwise, use the overscan frame.
3467                cf.set((fl & FLAG_LAYOUT_ATTACHED_IN_DECOR) != 0
3468                        ? attached.getContentFrameLw() : attached.getOverscanFrameLw());
3469            } else {
3470                // If the window is resizing, then we want to base the content
3471                // frame on our attached content frame to resize...  however,
3472                // things can be tricky if the attached window is NOT in resize
3473                // mode, in which case its content frame will be larger.
3474                // Ungh.  So to deal with that, make sure the content frame
3475                // we end up using is not covering the IM dock.
3476                cf.set(attached.getContentFrameLw());
3477                if (attached.isVoiceInteraction()) {
3478                    if (cf.left < mVoiceContentLeft) cf.left = mVoiceContentLeft;
3479                    if (cf.top < mVoiceContentTop) cf.top = mVoiceContentTop;
3480                    if (cf.right > mVoiceContentRight) cf.right = mVoiceContentRight;
3481                    if (cf.bottom > mVoiceContentBottom) cf.bottom = mVoiceContentBottom;
3482                } else if (attached.getSurfaceLayer() < mDockLayer) {
3483                    if (cf.left < mContentLeft) cf.left = mContentLeft;
3484                    if (cf.top < mContentTop) cf.top = mContentTop;
3485                    if (cf.right > mContentRight) cf.right = mContentRight;
3486                    if (cf.bottom > mContentBottom) cf.bottom = mContentBottom;
3487                }
3488            }
3489            df.set(insetDecors ? attached.getDisplayFrameLw() : cf);
3490            of.set(insetDecors ? attached.getOverscanFrameLw() : cf);
3491            vf.set(attached.getVisibleFrameLw());
3492        }
3493        // The LAYOUT_IN_SCREEN flag is used to determine whether the attached
3494        // window should be positioned relative to its parent or the entire
3495        // screen.
3496        pf.set((fl & FLAG_LAYOUT_IN_SCREEN) == 0
3497                ? attached.getFrameLw() : df);
3498    }
3499
3500    private void applyStableConstraints(int sysui, int fl, Rect r) {
3501        if ((sysui & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3502            // If app is requesting a stable layout, don't let the
3503            // content insets go below the stable values.
3504            if ((fl & FLAG_FULLSCREEN) != 0) {
3505                if (r.left < mStableFullscreenLeft) r.left = mStableFullscreenLeft;
3506                if (r.top < mStableFullscreenTop) r.top = mStableFullscreenTop;
3507                if (r.right > mStableFullscreenRight) r.right = mStableFullscreenRight;
3508                if (r.bottom > mStableFullscreenBottom) r.bottom = mStableFullscreenBottom;
3509            } else {
3510                if (r.left < mStableLeft) r.left = mStableLeft;
3511                if (r.top < mStableTop) r.top = mStableTop;
3512                if (r.right > mStableRight) r.right = mStableRight;
3513                if (r.bottom > mStableBottom) r.bottom = mStableBottom;
3514            }
3515        }
3516    }
3517
3518    /** {@inheritDoc} */
3519    @Override
3520    public void layoutWindowLw(WindowState win, WindowState attached) {
3521        // we've already done the status bar
3522        final WindowManager.LayoutParams attrs = win.getAttrs();
3523        if ((win == mStatusBar && (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) == 0) ||
3524                win == mNavigationBar) {
3525            return;
3526        }
3527        final boolean isDefaultDisplay = win.isDefaultDisplay();
3528        final boolean needsToOffsetInputMethodTarget = isDefaultDisplay &&
3529                (win == mLastInputMethodTargetWindow && mLastInputMethodWindow != null);
3530        if (needsToOffsetInputMethodTarget) {
3531            if (DEBUG_LAYOUT) Slog.i(TAG, "Offset ime target window by the last ime window state");
3532            offsetInputMethodWindowLw(mLastInputMethodWindow);
3533        }
3534
3535        final int fl = PolicyControl.getWindowFlags(win, attrs);
3536        final int sim = attrs.softInputMode;
3537        final int sysUiFl = PolicyControl.getSystemUiVisibility(win, null);
3538
3539        final Rect pf = mTmpParentFrame;
3540        final Rect df = mTmpDisplayFrame;
3541        final Rect of = mTmpOverscanFrame;
3542        final Rect cf = mTmpContentFrame;
3543        final Rect vf = mTmpVisibleFrame;
3544        final Rect dcf = mTmpDecorFrame;
3545        final Rect sf = mTmpStableFrame;
3546        dcf.setEmpty();
3547
3548        final boolean hasNavBar = (isDefaultDisplay && mHasNavigationBar
3549                && mNavigationBar != null && mNavigationBar.isVisibleLw());
3550
3551        final int adjust = sim & SOFT_INPUT_MASK_ADJUST;
3552
3553        if (isDefaultDisplay) {
3554            sf.set(mStableLeft, mStableTop, mStableRight, mStableBottom);
3555        } else {
3556            sf.set(mOverscanLeft, mOverscanTop, mOverscanRight, mOverscanBottom);
3557        }
3558
3559        if (!isDefaultDisplay) {
3560            if (attached != null) {
3561                // If this window is attached to another, our display
3562                // frame is the same as the one we are attached to.
3563                setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
3564            } else {
3565                // Give the window full screen.
3566                pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3567                pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3568                pf.right = df.right = of.right = cf.right
3569                        = mOverscanScreenLeft + mOverscanScreenWidth;
3570                pf.bottom = df.bottom = of.bottom = cf.bottom
3571                        = mOverscanScreenTop + mOverscanScreenHeight;
3572            }
3573        } else  if (attrs.type == TYPE_INPUT_METHOD || attrs.type == TYPE_VOICE_INTERACTION) {
3574            pf.left = df.left = of.left = cf.left = vf.left = mDockLeft;
3575            pf.top = df.top = of.top = cf.top = vf.top = mDockTop;
3576            pf.right = df.right = of.right = cf.right = vf.right = mDockRight;
3577            // IM dock windows layout below the nav bar...
3578            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3579            // ...with content insets above the nav bar
3580            cf.bottom = vf.bottom = mStableBottom;
3581            // IM dock windows always go to the bottom of the screen.
3582            attrs.gravity = Gravity.BOTTOM;
3583            mDockLayer = win.getSurfaceLayer();
3584        } else if (win == mStatusBar && (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
3585            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3586            pf.top = df.top = of.top = mUnrestrictedScreenTop;
3587            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
3588            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight + mUnrestrictedScreenTop;
3589            cf.left = vf.left = mStableLeft;
3590            cf.top = vf.top = mStableTop;
3591            cf.right = vf.right = mStableRight;
3592            vf.bottom = mStableBottom;
3593            cf.bottom = mContentBottom;
3594        } else {
3595
3596            // Default policy decor for the default display
3597            dcf.left = mSystemLeft;
3598            dcf.top = mSystemTop;
3599            dcf.right = mSystemRight;
3600            dcf.bottom = mSystemBottom;
3601            final boolean inheritTranslucentDecor = (attrs.privateFlags
3602                    & WindowManager.LayoutParams.PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR) != 0;
3603            final boolean isAppWindow =
3604                    attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW &&
3605                    attrs.type <= WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
3606            final boolean topAtRest =
3607                    win == mTopFullscreenOpaqueWindowState && !win.isAnimatingLw();
3608            if (isAppWindow && !inheritTranslucentDecor && !topAtRest) {
3609                if ((sysUiFl & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0
3610                        && (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) == 0
3611                        && (fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) == 0
3612                        && (fl & WindowManager.LayoutParams.
3613                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
3614                    // Ensure policy decor includes status bar
3615                    dcf.top = mStableTop;
3616                }
3617                if ((fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) == 0
3618                        && (sysUiFl & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0
3619                        && (fl & WindowManager.LayoutParams.
3620                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
3621                    // Ensure policy decor includes navigation bar
3622                    dcf.bottom = mStableBottom;
3623                    dcf.right = mStableRight;
3624                }
3625            }
3626
3627            if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3628                    == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3629                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle()
3630                            + "): IN_SCREEN, INSET_DECOR");
3631                // This is the case for a normal activity window: we want it
3632                // to cover all of the screen space, and it can take care of
3633                // moving its contents to account for screen decorations that
3634                // intrude into that space.
3635                if (attached != null) {
3636                    // If this window is attached to another, our display
3637                    // frame is the same as the one we are attached to.
3638                    setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
3639                } else {
3640                    if (attrs.type == TYPE_STATUS_BAR_PANEL
3641                            || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
3642                        // Status bar panels are the only windows who can go on top of
3643                        // the status bar.  They are protected by the STATUS_BAR_SERVICE
3644                        // permission, so they have the same privileges as the status
3645                        // bar itself.
3646                        //
3647                        // However, they should still dodge the navigation bar if it exists.
3648
3649                        pf.left = df.left = of.left = hasNavBar
3650                                ? mDockLeft : mUnrestrictedScreenLeft;
3651                        pf.top = df.top = of.top = mUnrestrictedScreenTop;
3652                        pf.right = df.right = of.right = hasNavBar
3653                                ? mRestrictedScreenLeft+mRestrictedScreenWidth
3654                                : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3655                        pf.bottom = df.bottom = of.bottom = hasNavBar
3656                                ? mRestrictedScreenTop+mRestrictedScreenHeight
3657                                : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3658
3659                        if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
3660                                        "Laying out status bar window: (%d,%d - %d,%d)",
3661                                        pf.left, pf.top, pf.right, pf.bottom));
3662                    } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
3663                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
3664                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
3665                        // Asking to layout into the overscan region, so give it that pure
3666                        // unrestricted area.
3667                        pf.left = df.left = of.left = mOverscanScreenLeft;
3668                        pf.top = df.top = of.top = mOverscanScreenTop;
3669                        pf.right = df.right = of.right = mOverscanScreenLeft + mOverscanScreenWidth;
3670                        pf.bottom = df.bottom = of.bottom = mOverscanScreenTop
3671                                + mOverscanScreenHeight;
3672                    } else if (canHideNavigationBar()
3673                            && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
3674                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
3675                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
3676                        // Asking for layout as if the nav bar is hidden, lets the
3677                        // application extend into the unrestricted overscan screen area.  We
3678                        // only do this for application windows to ensure no window that
3679                        // can be above the nav bar can do this.
3680                        pf.left = df.left = mOverscanScreenLeft;
3681                        pf.top = df.top = mOverscanScreenTop;
3682                        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
3683                        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
3684                        // We need to tell the app about where the frame inside the overscan
3685                        // is, so it can inset its content by that amount -- it didn't ask
3686                        // to actually extend itself into the overscan region.
3687                        of.left = mUnrestrictedScreenLeft;
3688                        of.top = mUnrestrictedScreenTop;
3689                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3690                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3691                    } else {
3692                        pf.left = df.left = mRestrictedOverscanScreenLeft;
3693                        pf.top = df.top = mRestrictedOverscanScreenTop;
3694                        pf.right = df.right = mRestrictedOverscanScreenLeft
3695                                + mRestrictedOverscanScreenWidth;
3696                        pf.bottom = df.bottom = mRestrictedOverscanScreenTop
3697                                + mRestrictedOverscanScreenHeight;
3698                        // We need to tell the app about where the frame inside the overscan
3699                        // is, so it can inset its content by that amount -- it didn't ask
3700                        // to actually extend itself into the overscan region.
3701                        of.left = mUnrestrictedScreenLeft;
3702                        of.top = mUnrestrictedScreenTop;
3703                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3704                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3705                    }
3706
3707                    if ((fl & FLAG_FULLSCREEN) == 0) {
3708                        if (win.isVoiceInteraction()) {
3709                            cf.left = mVoiceContentLeft;
3710                            cf.top = mVoiceContentTop;
3711                            cf.right = mVoiceContentRight;
3712                            cf.bottom = mVoiceContentBottom;
3713                        } else {
3714                            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
3715                                cf.left = mDockLeft;
3716                                cf.top = mDockTop;
3717                                cf.right = mDockRight;
3718                                cf.bottom = mDockBottom;
3719                            } else {
3720                                cf.left = mContentLeft;
3721                                cf.top = mContentTop;
3722                                cf.right = mContentRight;
3723                                cf.bottom = mContentBottom;
3724                            }
3725                        }
3726                    } else {
3727                        // Full screen windows are always given a layout that is as if the
3728                        // status bar and other transient decors are gone.  This is to avoid
3729                        // bad states when moving from a window that is not hding the
3730                        // status bar to one that is.
3731                        cf.left = mRestrictedScreenLeft;
3732                        cf.top = mRestrictedScreenTop;
3733                        cf.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
3734                        cf.bottom = mRestrictedScreenTop + mRestrictedScreenHeight;
3735                    }
3736                    applyStableConstraints(sysUiFl, fl, cf);
3737                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
3738                        vf.left = mCurLeft;
3739                        vf.top = mCurTop;
3740                        vf.right = mCurRight;
3741                        vf.bottom = mCurBottom;
3742                    } else {
3743                        vf.set(cf);
3744                    }
3745                }
3746            } else if ((fl & FLAG_LAYOUT_IN_SCREEN) != 0 || (sysUiFl
3747                    & (View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
3748                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION)) != 0) {
3749                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
3750                        "): IN_SCREEN");
3751                // A window that has requested to fill the entire screen just
3752                // gets everything, period.
3753                if (attrs.type == TYPE_STATUS_BAR_PANEL
3754                        || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
3755                    pf.left = df.left = of.left = cf.left = hasNavBar
3756                            ? mDockLeft : mUnrestrictedScreenLeft;
3757                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
3758                    pf.right = df.right = of.right = cf.right = hasNavBar
3759                                        ? mRestrictedScreenLeft+mRestrictedScreenWidth
3760                                        : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3761                    pf.bottom = df.bottom = of.bottom = cf.bottom = hasNavBar
3762                                          ? mRestrictedScreenTop+mRestrictedScreenHeight
3763                                          : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3764                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
3765                                    "Laying out IN_SCREEN status bar window: (%d,%d - %d,%d)",
3766                                    pf.left, pf.top, pf.right, pf.bottom));
3767                } else if (attrs.type == TYPE_NAVIGATION_BAR
3768                        || attrs.type == TYPE_NAVIGATION_BAR_PANEL) {
3769                    // The navigation bar has Real Ultimate Power.
3770                    pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3771                    pf.top = df.top = of.top = mUnrestrictedScreenTop;
3772                    pf.right = df.right = of.right = mUnrestrictedScreenLeft
3773                            + mUnrestrictedScreenWidth;
3774                    pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop
3775                            + mUnrestrictedScreenHeight;
3776                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
3777                                    "Laying out navigation bar window: (%d,%d - %d,%d)",
3778                                    pf.left, pf.top, pf.right, pf.bottom));
3779                } else if ((attrs.type == TYPE_SECURE_SYSTEM_OVERLAY
3780                                || attrs.type == TYPE_BOOT_PROGRESS)
3781                        && ((fl & FLAG_FULLSCREEN) != 0)) {
3782                    // Fullscreen secure system overlays get what they ask for.
3783                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3784                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3785                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
3786                            + mOverscanScreenWidth;
3787                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
3788                            + mOverscanScreenHeight;
3789                } else if (attrs.type == TYPE_BOOT_PROGRESS) {
3790                    // Boot progress screen always covers entire display.
3791                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3792                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3793                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
3794                            + mOverscanScreenWidth;
3795                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
3796                            + mOverscanScreenHeight;
3797                } else if (attrs.type == TYPE_WALLPAPER) {
3798                    // The wallpaper also has Real Ultimate Power, but we want to tell
3799                    // it about the overscan area.
3800                    pf.left = df.left = mOverscanScreenLeft;
3801                    pf.top = df.top = mOverscanScreenTop;
3802                    pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
3803                    pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
3804                    of.left = cf.left = mUnrestrictedScreenLeft;
3805                    of.top = cf.top = mUnrestrictedScreenTop;
3806                    of.right = cf.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3807                    of.bottom = cf.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3808                } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
3809                        && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
3810                        && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
3811                    // Asking to layout into the overscan region, so give it that pure
3812                    // unrestricted area.
3813                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3814                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3815                    pf.right = df.right = of.right = cf.right
3816                            = mOverscanScreenLeft + mOverscanScreenWidth;
3817                    pf.bottom = df.bottom = of.bottom = cf.bottom
3818                            = mOverscanScreenTop + mOverscanScreenHeight;
3819                } else if (canHideNavigationBar()
3820                        && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
3821                        && (attrs.type == TYPE_STATUS_BAR
3822                            || attrs.type == TYPE_TOAST
3823                            || (attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
3824                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW))) {
3825                    // Asking for layout as if the nav bar is hidden, lets the
3826                    // application extend into the unrestricted screen area.  We
3827                    // only do this for application windows (or toasts) to ensure no window that
3828                    // can be above the nav bar can do this.
3829                    // XXX This assumes that an app asking for this will also
3830                    // ask for layout in only content.  We can't currently figure out
3831                    // what the screen would be if only laying out to hide the nav bar.
3832                    pf.left = df.left = of.left = cf.left = mUnrestrictedScreenLeft;
3833                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
3834                    pf.right = df.right = of.right = cf.right = mUnrestrictedScreenLeft
3835                            + mUnrestrictedScreenWidth;
3836                    pf.bottom = df.bottom = of.bottom = cf.bottom = mUnrestrictedScreenTop
3837                            + mUnrestrictedScreenHeight;
3838                } else {
3839                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
3840                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
3841                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
3842                            + mRestrictedScreenWidth;
3843                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
3844                            + mRestrictedScreenHeight;
3845                }
3846
3847                applyStableConstraints(sysUiFl, fl, cf);
3848
3849                if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
3850                    vf.left = mCurLeft;
3851                    vf.top = mCurTop;
3852                    vf.right = mCurRight;
3853                    vf.bottom = mCurBottom;
3854                } else {
3855                    vf.set(cf);
3856                }
3857            } else if (attached != null) {
3858                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
3859                        "): attached to " + attached);
3860                // A child window should be placed inside of the same visible
3861                // frame that its parent had.
3862                setAttachedWindowFrames(win, fl, adjust, attached, false, pf, df, of, cf, vf);
3863            } else {
3864                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
3865                        "): normal window");
3866                // Otherwise, a normal window must be placed inside the content
3867                // of all screen decorations.
3868                if (attrs.type == TYPE_STATUS_BAR_PANEL) {
3869                    // Status bar panels are the only windows who can go on top of
3870                    // the status bar.  They are protected by the STATUS_BAR_SERVICE
3871                    // permission, so they have the same privileges as the status
3872                    // bar itself.
3873                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
3874                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
3875                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
3876                            + mRestrictedScreenWidth;
3877                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
3878                            + mRestrictedScreenHeight;
3879                } else if (attrs.type == TYPE_TOAST || attrs.type == TYPE_SYSTEM_ALERT
3880                        || attrs.type == TYPE_VOLUME_OVERLAY) {
3881                    // These dialogs are stable to interim decor changes.
3882                    pf.left = df.left = of.left = cf.left = mStableLeft;
3883                    pf.top = df.top = of.top = cf.top = mStableTop;
3884                    pf.right = df.right = of.right = cf.right = mStableRight;
3885                    pf.bottom = df.bottom = of.bottom = cf.bottom = mStableBottom;
3886                } else {
3887                    pf.left = mContentLeft;
3888                    pf.top = mContentTop;
3889                    pf.right = mContentRight;
3890                    pf.bottom = mContentBottom;
3891                    if (win.isVoiceInteraction()) {
3892                        df.left = of.left = cf.left = mVoiceContentLeft;
3893                        df.top = of.top = cf.top = mVoiceContentTop;
3894                        df.right = of.right = cf.right = mVoiceContentRight;
3895                        df.bottom = of.bottom = cf.bottom = mVoiceContentBottom;
3896                    } else if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
3897                        df.left = of.left = cf.left = mDockLeft;
3898                        df.top = of.top = cf.top = mDockTop;
3899                        df.right = of.right = cf.right = mDockRight;
3900                        df.bottom = of.bottom = cf.bottom = mDockBottom;
3901                    } else {
3902                        df.left = of.left = cf.left = mContentLeft;
3903                        df.top = of.top = cf.top = mContentTop;
3904                        df.right = of.right = cf.right = mContentRight;
3905                        df.bottom = of.bottom = cf.bottom = mContentBottom;
3906                    }
3907                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
3908                        vf.left = mCurLeft;
3909                        vf.top = mCurTop;
3910                        vf.right = mCurRight;
3911                        vf.bottom = mCurBottom;
3912                    } else {
3913                        vf.set(cf);
3914                    }
3915                }
3916            }
3917        }
3918
3919        // TYPE_SYSTEM_ERROR is above the NavigationBar so it can't be allowed to extend over it.
3920        if ((fl & FLAG_LAYOUT_NO_LIMITS) != 0 && attrs.type != TYPE_SYSTEM_ERROR) {
3921            df.left = df.top = -10000;
3922            df.right = df.bottom = 10000;
3923            if (attrs.type != TYPE_WALLPAPER) {
3924                of.left = of.top = cf.left = cf.top = vf.left = vf.top = -10000;
3925                of.right = of.bottom = cf.right = cf.bottom = vf.right = vf.bottom = 10000;
3926            }
3927        }
3928
3929        if (DEBUG_LAYOUT) Slog.v(TAG, "Compute frame " + attrs.getTitle()
3930                + ": sim=#" + Integer.toHexString(sim)
3931                + " attach=" + attached + " type=" + attrs.type
3932                + String.format(" flags=0x%08x", fl)
3933                + " pf=" + pf.toShortString() + " df=" + df.toShortString()
3934                + " of=" + of.toShortString()
3935                + " cf=" + cf.toShortString() + " vf=" + vf.toShortString()
3936                + " dcf=" + dcf.toShortString()
3937                + " sf=" + sf.toShortString());
3938
3939        win.computeFrameLw(pf, df, of, cf, vf, dcf, sf);
3940
3941        // Dock windows carve out the bottom of the screen, so normal windows
3942        // can't appear underneath them.
3943        if (attrs.type == TYPE_INPUT_METHOD && win.isVisibleOrBehindKeyguardLw()
3944                && !win.getGivenInsetsPendingLw()) {
3945            setLastInputMethodWindowLw(null, null);
3946            offsetInputMethodWindowLw(win);
3947        }
3948        if (attrs.type == TYPE_VOICE_INTERACTION && win.isVisibleOrBehindKeyguardLw()
3949                && !win.getGivenInsetsPendingLw()) {
3950            offsetVoiceInputWindowLw(win);
3951        }
3952    }
3953
3954    private void offsetInputMethodWindowLw(WindowState win) {
3955        int top = win.getDisplayFrameLw().top;
3956        top += win.getGivenContentInsetsLw().top;
3957        if (mContentBottom > top) {
3958            mContentBottom = top;
3959        }
3960        if (mVoiceContentBottom > top) {
3961            mVoiceContentBottom = top;
3962        }
3963        top = win.getVisibleFrameLw().top;
3964        top += win.getGivenVisibleInsetsLw().top;
3965        if (mCurBottom > top) {
3966            mCurBottom = top;
3967        }
3968        if (DEBUG_LAYOUT) Slog.v(TAG, "Input method: mDockBottom="
3969                + mDockBottom + " mContentBottom="
3970                + mContentBottom + " mCurBottom=" + mCurBottom);
3971    }
3972
3973    private void offsetVoiceInputWindowLw(WindowState win) {
3974        int top = win.getDisplayFrameLw().top;
3975        top += win.getGivenContentInsetsLw().top;
3976        if (mVoiceContentBottom > top) {
3977            mVoiceContentBottom = top;
3978        }
3979    }
3980
3981    /** {@inheritDoc} */
3982    @Override
3983    public void finishLayoutLw() {
3984        return;
3985    }
3986
3987    /** {@inheritDoc} */
3988    @Override
3989    public void beginPostLayoutPolicyLw(int displayWidth, int displayHeight) {
3990        mTopFullscreenOpaqueWindowState = null;
3991        mTopFullscreenOpaqueOrDimmingWindowState = null;
3992        mAppsToBeHidden.clear();
3993        mAppsThatDismissKeyguard.clear();
3994        mForceStatusBar = false;
3995        mForceStatusBarFromKeyguard = false;
3996        mForcingShowNavBar = false;
3997        mForcingShowNavBarLayer = -1;
3998
3999        mHideLockScreen = false;
4000        mAllowLockscreenWhenOn = false;
4001        mDismissKeyguard = DISMISS_KEYGUARD_NONE;
4002        mShowingLockscreen = false;
4003        mShowingDream = false;
4004        mWinShowWhenLocked = null;
4005        mKeyguardSecure = isKeyguardSecure();
4006        mKeyguardSecureIncludingHidden = mKeyguardSecure
4007                && (mKeyguardDelegate != null && mKeyguardDelegate.isShowing());
4008    }
4009
4010    /** {@inheritDoc} */
4011    @Override
4012    public void applyPostLayoutPolicyLw(WindowState win, WindowManager.LayoutParams attrs) {
4013        if (DEBUG_LAYOUT) Slog.i(TAG, "Win " + win + ": isVisibleOrBehindKeyguardLw="
4014                + win.isVisibleOrBehindKeyguardLw());
4015        final int fl = PolicyControl.getWindowFlags(win, attrs);
4016        if (mTopFullscreenOpaqueWindowState == null
4017                && win.isVisibleLw() && attrs.type == TYPE_INPUT_METHOD) {
4018            mForcingShowNavBar = true;
4019            mForcingShowNavBarLayer = win.getSurfaceLayer();
4020        }
4021        if (attrs.type == TYPE_STATUS_BAR && (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4022            mForceStatusBarFromKeyguard = true;
4023        }
4024        if (mTopFullscreenOpaqueWindowState == null &&
4025                win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()) {
4026            if ((fl & FLAG_FORCE_NOT_FULLSCREEN) != 0) {
4027                if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4028                    mForceStatusBarFromKeyguard = true;
4029                } else {
4030                    mForceStatusBar = true;
4031                }
4032            }
4033            if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4034                mShowingLockscreen = true;
4035            }
4036            boolean appWindow = attrs.type >= FIRST_APPLICATION_WINDOW
4037                    && attrs.type < FIRST_SYSTEM_WINDOW;
4038            if (attrs.type == TYPE_DREAM) {
4039                // If the lockscreen was showing when the dream started then wait
4040                // for the dream to draw before hiding the lockscreen.
4041                if (!mDreamingLockscreen
4042                        || (win.isVisibleLw() && win.hasDrawnLw())) {
4043                    mShowingDream = true;
4044                    appWindow = true;
4045                }
4046            }
4047
4048            final boolean showWhenLocked = (fl & FLAG_SHOW_WHEN_LOCKED) != 0;
4049            final boolean dismissKeyguard = (fl & FLAG_DISMISS_KEYGUARD) != 0;
4050            if (appWindow) {
4051                final IApplicationToken appToken = win.getAppToken();
4052                if (showWhenLocked) {
4053                    // Remove any previous windows with the same appToken.
4054                    mAppsToBeHidden.remove(appToken);
4055                    mAppsThatDismissKeyguard.remove(appToken);
4056                    if (mAppsToBeHidden.isEmpty()) {
4057                        if (dismissKeyguard && !mKeyguardSecure) {
4058                            mAppsThatDismissKeyguard.add(appToken);
4059                        } else {
4060                            mWinShowWhenLocked = win;
4061                            mHideLockScreen = true;
4062                            mForceStatusBarFromKeyguard = false;
4063                        }
4064                    }
4065                } else if (dismissKeyguard) {
4066                    if (mKeyguardSecure) {
4067                        mAppsToBeHidden.add(appToken);
4068                    } else {
4069                        mAppsToBeHidden.remove(appToken);
4070                    }
4071                    mAppsThatDismissKeyguard.add(appToken);
4072                } else {
4073                    mAppsToBeHidden.add(appToken);
4074                }
4075                if (attrs.x == 0 && attrs.y == 0
4076                        && attrs.width == WindowManager.LayoutParams.MATCH_PARENT
4077                        && attrs.height == WindowManager.LayoutParams.MATCH_PARENT) {
4078                    if (DEBUG_LAYOUT) Slog.v(TAG, "Fullscreen window: " + win);
4079                    mTopFullscreenOpaqueWindowState = win;
4080                    if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
4081                        mTopFullscreenOpaqueOrDimmingWindowState = win;
4082                    }
4083                    if (!mAppsThatDismissKeyguard.isEmpty() &&
4084                            mDismissKeyguard == DISMISS_KEYGUARD_NONE) {
4085                        if (DEBUG_LAYOUT) Slog.v(TAG,
4086                                "Setting mDismissKeyguard true by win " + win);
4087                        mDismissKeyguard = mWinDismissingKeyguard == win ?
4088                                DISMISS_KEYGUARD_CONTINUE : DISMISS_KEYGUARD_START;
4089                        mWinDismissingKeyguard = win;
4090                        mForceStatusBarFromKeyguard = mShowingLockscreen && mKeyguardSecure;
4091                    } else if (mAppsToBeHidden.isEmpty() && showWhenLocked) {
4092                        if (DEBUG_LAYOUT) Slog.v(TAG,
4093                                "Setting mHideLockScreen to true by win " + win);
4094                        mHideLockScreen = true;
4095                        mForceStatusBarFromKeyguard = false;
4096                    }
4097                    if ((fl & FLAG_ALLOW_LOCK_WHILE_SCREEN_ON) != 0) {
4098                        mAllowLockscreenWhenOn = true;
4099                    }
4100                }
4101
4102                if (mWinShowWhenLocked != null &&
4103                        mWinShowWhenLocked.getAppToken() != win.getAppToken()) {
4104                    win.hideLw(false);
4105                }
4106            }
4107        }
4108        if (mTopFullscreenOpaqueOrDimmingWindowState == null
4109                && win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()
4110                && win.isDimming()) {
4111            mTopFullscreenOpaqueOrDimmingWindowState = win;
4112        }
4113    }
4114
4115    /** {@inheritDoc} */
4116    @Override
4117    public int finishPostLayoutPolicyLw() {
4118        if (mWinShowWhenLocked != null &&
4119                mWinShowWhenLocked != mTopFullscreenOpaqueWindowState) {
4120            // A dialog is dismissing the keyguard. Put the wallpaper behind it and hide the
4121            // fullscreen window.
4122            // TODO: Make sure FLAG_SHOW_WALLPAPER is restored when dialog is dismissed. Or not.
4123            mWinShowWhenLocked.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
4124            mTopFullscreenOpaqueWindowState.hideLw(false);
4125            mTopFullscreenOpaqueWindowState = mWinShowWhenLocked;
4126        }
4127
4128        int changes = 0;
4129        boolean topIsFullscreen = false;
4130
4131        final WindowManager.LayoutParams lp = (mTopFullscreenOpaqueWindowState != null)
4132                ? mTopFullscreenOpaqueWindowState.getAttrs()
4133                : null;
4134
4135        // If we are not currently showing a dream then remember the current
4136        // lockscreen state.  We will use this to determine whether the dream
4137        // started while the lockscreen was showing and remember this state
4138        // while the dream is showing.
4139        if (!mShowingDream) {
4140            mDreamingLockscreen = mShowingLockscreen;
4141        }
4142
4143        if (mStatusBar != null) {
4144            if (DEBUG_LAYOUT) Slog.i(TAG, "force=" + mForceStatusBar
4145                    + " forcefkg=" + mForceStatusBarFromKeyguard
4146                    + " top=" + mTopFullscreenOpaqueWindowState);
4147            if (mForceStatusBar || mForceStatusBarFromKeyguard) {
4148                if (DEBUG_LAYOUT) Slog.v(TAG, "Showing status bar: forced");
4149                if (mStatusBarController.setBarShowingLw(true)) {
4150                    changes |= FINISH_LAYOUT_REDO_LAYOUT;
4151                }
4152                // Maintain fullscreen layout until incoming animation is complete.
4153                topIsFullscreen = mTopIsFullscreen && mStatusBar.isAnimatingLw();
4154                // Transient status bar on the lockscreen is not allowed
4155                if (mForceStatusBarFromKeyguard && mStatusBarController.isTransientShowing()) {
4156                    mStatusBarController.updateVisibilityLw(false /*transientAllowed*/,
4157                            mLastSystemUiFlags, mLastSystemUiFlags);
4158                }
4159            } else if (mTopFullscreenOpaqueWindowState != null) {
4160                final int fl = PolicyControl.getWindowFlags(null, lp);
4161                if (localLOGV) {
4162                    Slog.d(TAG, "frame: " + mTopFullscreenOpaqueWindowState.getFrameLw()
4163                            + " shown frame: " + mTopFullscreenOpaqueWindowState.getShownFrameLw());
4164                    Slog.d(TAG, "attr: " + mTopFullscreenOpaqueWindowState.getAttrs()
4165                            + " lp.flags=0x" + Integer.toHexString(fl));
4166                }
4167                topIsFullscreen = (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0
4168                        || (mLastSystemUiFlags & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
4169                // The subtle difference between the window for mTopFullscreenOpaqueWindowState
4170                // and mTopIsFullscreen is that mTopIsFullscreen is set only if the window
4171                // has the FLAG_FULLSCREEN set.  Not sure if there is another way that to be the
4172                // case though.
4173                if (mStatusBarController.isTransientShowing()) {
4174                    if (mStatusBarController.setBarShowingLw(true)) {
4175                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4176                    }
4177                } else if (topIsFullscreen) {
4178                    if (DEBUG_LAYOUT) Slog.v(TAG, "** HIDING status bar");
4179                    if (mStatusBarController.setBarShowingLw(false)) {
4180                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4181                    } else {
4182                        if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar already hiding");
4183                    }
4184                } else {
4185                    if (DEBUG_LAYOUT) Slog.v(TAG, "** SHOWING status bar: top is not fullscreen");
4186                    if (mStatusBarController.setBarShowingLw(true)) {
4187                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4188                    }
4189                }
4190            }
4191        }
4192
4193        if (mTopIsFullscreen != topIsFullscreen) {
4194            if (!topIsFullscreen) {
4195                // Force another layout when status bar becomes fully shown.
4196                changes |= FINISH_LAYOUT_REDO_LAYOUT;
4197            }
4198            mTopIsFullscreen = topIsFullscreen;
4199        }
4200
4201        // Hide the key guard if a visible window explicitly specifies that it wants to be
4202        // displayed when the screen is locked.
4203        if (mKeyguardDelegate != null && mStatusBar != null) {
4204            if (localLOGV) Slog.v(TAG, "finishPostLayoutPolicyLw: mHideKeyguard="
4205                    + mHideLockScreen);
4206            if (mDismissKeyguard != DISMISS_KEYGUARD_NONE && !mKeyguardSecure) {
4207                mKeyguardHidden = true;
4208                if (setKeyguardOccludedLw(true)) {
4209                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4210                            | FINISH_LAYOUT_REDO_CONFIG
4211                            | FINISH_LAYOUT_REDO_WALLPAPER;
4212                }
4213                if (mKeyguardDelegate.isShowing()) {
4214                    mHandler.post(new Runnable() {
4215                        @Override
4216                        public void run() {
4217                            mKeyguardDelegate.keyguardDone(false, false);
4218                        }
4219                    });
4220                }
4221            } else if (mHideLockScreen) {
4222                mKeyguardHidden = true;
4223                if (setKeyguardOccludedLw(true)) {
4224                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4225                            | FINISH_LAYOUT_REDO_CONFIG
4226                            | FINISH_LAYOUT_REDO_WALLPAPER;
4227                }
4228            } else if (mDismissKeyguard != DISMISS_KEYGUARD_NONE) {
4229                // This is the case of keyguard isSecure() and not mHideLockScreen.
4230                if (mDismissKeyguard == DISMISS_KEYGUARD_START) {
4231                    // Only launch the next keyguard unlock window once per window.
4232                    mKeyguardHidden = false;
4233                    if (setKeyguardOccludedLw(false)) {
4234                        changes |= FINISH_LAYOUT_REDO_LAYOUT
4235                                | FINISH_LAYOUT_REDO_CONFIG
4236                                | FINISH_LAYOUT_REDO_WALLPAPER;
4237                    }
4238                    mHandler.post(new Runnable() {
4239                        @Override
4240                        public void run() {
4241                            mKeyguardDelegate.dismiss();
4242                        }
4243                    });
4244                }
4245            } else {
4246                mWinDismissingKeyguard = null;
4247                mKeyguardHidden = false;
4248                if (setKeyguardOccludedLw(false)) {
4249                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4250                            | FINISH_LAYOUT_REDO_CONFIG
4251                            | FINISH_LAYOUT_REDO_WALLPAPER;
4252                }
4253            }
4254        }
4255
4256        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
4257            // If the navigation bar has been hidden or shown, we need to do another
4258            // layout pass to update that window.
4259            changes |= FINISH_LAYOUT_REDO_LAYOUT;
4260        }
4261
4262        // update since mAllowLockscreenWhenOn might have changed
4263        updateLockScreenTimeout();
4264        return changes;
4265    }
4266
4267    /**
4268     * Updates the occluded state of the Keyguard.
4269     *
4270     * @return Whether the flags have changed and we have to redo the layout.
4271     */
4272    private boolean setKeyguardOccludedLw(boolean isOccluded) {
4273        boolean wasOccluded = mKeyguardOccluded;
4274        boolean showing = mKeyguardDelegate.isShowing();
4275        if (wasOccluded && !isOccluded && showing) {
4276            mKeyguardOccluded = false;
4277            mKeyguardDelegate.setOccluded(false);
4278            mStatusBar.getAttrs().privateFlags |= PRIVATE_FLAG_KEYGUARD;
4279            mStatusBar.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
4280            return true;
4281        } else if (!wasOccluded && isOccluded && showing) {
4282            mKeyguardOccluded = true;
4283            mKeyguardDelegate.setOccluded(true);
4284            mStatusBar.getAttrs().privateFlags &= ~PRIVATE_FLAG_KEYGUARD;
4285            mStatusBar.getAttrs().flags &= ~FLAG_SHOW_WALLPAPER;
4286            return true;
4287        } else {
4288            return false;
4289        }
4290    }
4291
4292    private boolean isStatusBarKeyguard() {
4293        return mStatusBar != null
4294                && (mStatusBar.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
4295    }
4296
4297    @Override
4298    public boolean allowAppAnimationsLw() {
4299        if (isStatusBarKeyguard() || mShowingDream) {
4300            // If keyguard or dreams is currently visible, no reason to animate behind it.
4301            return false;
4302        }
4303        return true;
4304    }
4305
4306    @Override
4307    public int focusChangedLw(WindowState lastFocus, WindowState newFocus) {
4308        mFocusedWindow = newFocus;
4309        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
4310            // If the navigation bar has been hidden or shown, we need to do another
4311            // layout pass to update that window.
4312            return FINISH_LAYOUT_REDO_LAYOUT;
4313        }
4314        return 0;
4315    }
4316
4317    /** {@inheritDoc} */
4318    @Override
4319    public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
4320        // lid changed state
4321        final int newLidState = lidOpen ? LID_OPEN : LID_CLOSED;
4322        if (newLidState == mLidState) {
4323            return;
4324        }
4325
4326        mLidState = newLidState;
4327        applyLidSwitchState();
4328        updateRotation(true);
4329
4330        if (lidOpen) {
4331            wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromLidSwitch);
4332        } else if (!mLidControlsSleep) {
4333            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
4334        }
4335    }
4336
4337    @Override
4338    public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) {
4339        int lensCoverState = lensCovered ? CAMERA_LENS_COVERED : CAMERA_LENS_UNCOVERED;
4340        if (mCameraLensCoverState == lensCoverState) {
4341            return;
4342        }
4343        if (mCameraLensCoverState == CAMERA_LENS_COVERED &&
4344                lensCoverState == CAMERA_LENS_UNCOVERED) {
4345            Intent intent;
4346            final boolean keyguardActive = mKeyguardDelegate == null ? false :
4347                    mKeyguardDelegate.isShowing();
4348            if (keyguardActive) {
4349                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);
4350            } else {
4351                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
4352            }
4353            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromCameraLens);
4354            mContext.startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
4355        }
4356        mCameraLensCoverState = lensCoverState;
4357    }
4358
4359    void setHdmiPlugged(boolean plugged) {
4360        if (mHdmiPlugged != plugged) {
4361            mHdmiPlugged = plugged;
4362            updateRotation(true, true);
4363            Intent intent = new Intent(ACTION_HDMI_PLUGGED);
4364            intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
4365            intent.putExtra(EXTRA_HDMI_PLUGGED_STATE, plugged);
4366            mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
4367        }
4368    }
4369
4370    void initializeHdmiState() {
4371        boolean plugged = false;
4372        // watch for HDMI plug messages if the hdmi switch exists
4373        if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
4374            mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
4375
4376            final String filename = "/sys/class/switch/hdmi/state";
4377            FileReader reader = null;
4378            try {
4379                reader = new FileReader(filename);
4380                char[] buf = new char[15];
4381                int n = reader.read(buf);
4382                if (n > 1) {
4383                    plugged = 0 != Integer.parseInt(new String(buf, 0, n-1));
4384                }
4385            } catch (IOException ex) {
4386                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
4387            } catch (NumberFormatException ex) {
4388                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
4389            } finally {
4390                if (reader != null) {
4391                    try {
4392                        reader.close();
4393                    } catch (IOException ex) {
4394                    }
4395                }
4396            }
4397        }
4398        // This dance forces the code in setHdmiPlugged to run.
4399        // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
4400        mHdmiPlugged = !plugged;
4401        setHdmiPlugged(!mHdmiPlugged);
4402    }
4403
4404    final Object mScreenshotLock = new Object();
4405    ServiceConnection mScreenshotConnection = null;
4406
4407    final Runnable mScreenshotTimeout = new Runnable() {
4408        @Override public void run() {
4409            synchronized (mScreenshotLock) {
4410                if (mScreenshotConnection != null) {
4411                    mContext.unbindService(mScreenshotConnection);
4412                    mScreenshotConnection = null;
4413                }
4414            }
4415        }
4416    };
4417
4418    // Assume this is called from the Handler thread.
4419    private void takeScreenshot() {
4420        synchronized (mScreenshotLock) {
4421            if (mScreenshotConnection != null) {
4422                return;
4423            }
4424            ComponentName cn = new ComponentName("com.android.systemui",
4425                    "com.android.systemui.screenshot.TakeScreenshotService");
4426            Intent intent = new Intent();
4427            intent.setComponent(cn);
4428            ServiceConnection conn = new ServiceConnection() {
4429                @Override
4430                public void onServiceConnected(ComponentName name, IBinder service) {
4431                    synchronized (mScreenshotLock) {
4432                        if (mScreenshotConnection != this) {
4433                            return;
4434                        }
4435                        Messenger messenger = new Messenger(service);
4436                        Message msg = Message.obtain(null, 1);
4437                        final ServiceConnection myConn = this;
4438                        Handler h = new Handler(mHandler.getLooper()) {
4439                            @Override
4440                            public void handleMessage(Message msg) {
4441                                synchronized (mScreenshotLock) {
4442                                    if (mScreenshotConnection == myConn) {
4443                                        mContext.unbindService(mScreenshotConnection);
4444                                        mScreenshotConnection = null;
4445                                        mHandler.removeCallbacks(mScreenshotTimeout);
4446                                    }
4447                                }
4448                            }
4449                        };
4450                        msg.replyTo = new Messenger(h);
4451                        msg.arg1 = msg.arg2 = 0;
4452                        if (mStatusBar != null && mStatusBar.isVisibleLw())
4453                            msg.arg1 = 1;
4454                        if (mNavigationBar != null && mNavigationBar.isVisibleLw())
4455                            msg.arg2 = 1;
4456                        try {
4457                            messenger.send(msg);
4458                        } catch (RemoteException e) {
4459                        }
4460                    }
4461                }
4462                @Override
4463                public void onServiceDisconnected(ComponentName name) {}
4464            };
4465            if (mContext.bindServiceAsUser(
4466                    intent, conn, Context.BIND_AUTO_CREATE, UserHandle.CURRENT)) {
4467                mScreenshotConnection = conn;
4468                mHandler.postDelayed(mScreenshotTimeout, 10000);
4469            }
4470        }
4471    }
4472
4473    /** {@inheritDoc} */
4474    @Override
4475    public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) {
4476        if (!mSystemBooted) {
4477            // If we have not yet booted, don't let key events do anything.
4478            return 0;
4479        }
4480
4481        final boolean interactive = (policyFlags & FLAG_INTERACTIVE) != 0;
4482        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
4483        final boolean canceled = event.isCanceled();
4484        final int keyCode = event.getKeyCode();
4485
4486        final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;
4487
4488        // If screen is off then we treat the case where the keyguard is open but hidden
4489        // the same as if it were open and in front.
4490        // This will prevent any keys other than the power button from waking the screen
4491        // when the keyguard is hidden by another activity.
4492        final boolean keyguardActive = (mKeyguardDelegate == null ? false :
4493                                            (interactive ?
4494                                                isKeyguardShowingAndNotOccluded() :
4495                                                mKeyguardDelegate.isShowing()));
4496
4497        if (DEBUG_INPUT) {
4498            Log.d(TAG, "interceptKeyTq keycode=" + keyCode
4499                    + " interactive=" + interactive + " keyguardActive=" + keyguardActive
4500                    + " policyFlags=" + Integer.toHexString(policyFlags));
4501        }
4502
4503        // Basic policy based on interactive state.
4504        int result;
4505        boolean isWakeKey = (policyFlags & WindowManagerPolicy.FLAG_WAKE) != 0
4506                || event.isWakeKey();
4507        if (interactive || (isInjected && !isWakeKey)) {
4508            // When the device is interactive or the key is injected pass the
4509            // key to the application.
4510            result = ACTION_PASS_TO_USER;
4511            isWakeKey = false;
4512        } else if (!interactive && shouldDispatchInputWhenNonInteractive()) {
4513            // If we're currently dozing with the screen on and the keyguard showing, pass the key
4514            // to the application but preserve its wake key status to make sure we still move
4515            // from dozing to fully interactive if we would normally go from off to fully
4516            // interactive.
4517            result = ACTION_PASS_TO_USER;
4518        } else {
4519            // When the screen is off and the key is not injected, determine whether
4520            // to wake the device but don't pass the key to the application.
4521            result = 0;
4522            if (isWakeKey && (!down || !isWakeKeyWhenScreenOff(keyCode))) {
4523                isWakeKey = false;
4524            }
4525        }
4526
4527        // If the key would be handled globally, just return the result, don't worry about special
4528        // key processing.
4529        if (isValidGlobalKey(keyCode)
4530                && mGlobalKeyManager.shouldHandleGlobalKey(keyCode, event)) {
4531            if (isWakeKey) {
4532                wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey);
4533            }
4534            return result;
4535        }
4536
4537        boolean useHapticFeedback = down
4538                && (policyFlags & WindowManagerPolicy.FLAG_VIRTUAL) != 0
4539                && event.getRepeatCount() == 0;
4540
4541        // Handle special keys.
4542        switch (keyCode) {
4543            case KeyEvent.KEYCODE_VOLUME_DOWN:
4544            case KeyEvent.KEYCODE_VOLUME_UP:
4545            case KeyEvent.KEYCODE_VOLUME_MUTE: {
4546                if (mUseTvRouting) {
4547                    // On TVs volume keys never go to the foreground app
4548                    result &= ~ACTION_PASS_TO_USER;
4549                }
4550                if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
4551                    if (down) {
4552                        if (interactive && !mScreenshotChordVolumeDownKeyTriggered
4553                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
4554                            mScreenshotChordVolumeDownKeyTriggered = true;
4555                            mScreenshotChordVolumeDownKeyTime = event.getDownTime();
4556                            mScreenshotChordVolumeDownKeyConsumed = false;
4557                            cancelPendingPowerKeyAction();
4558                            interceptScreenshotChord();
4559                        }
4560                    } else {
4561                        mScreenshotChordVolumeDownKeyTriggered = false;
4562                        cancelPendingScreenshotChordAction();
4563                    }
4564                } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
4565                    if (down) {
4566                        if (interactive && !mScreenshotChordVolumeUpKeyTriggered
4567                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
4568                            mScreenshotChordVolumeUpKeyTriggered = true;
4569                            cancelPendingPowerKeyAction();
4570                            cancelPendingScreenshotChordAction();
4571                        }
4572                    } else {
4573                        mScreenshotChordVolumeUpKeyTriggered = false;
4574                        cancelPendingScreenshotChordAction();
4575                    }
4576                }
4577                if (down) {
4578                    TelecomManager telecomManager = getTelecommService();
4579                    if (telecomManager != null) {
4580                        if (telecomManager.isRinging()) {
4581                            // If an incoming call is ringing, either VOLUME key means
4582                            // "silence ringer".  We handle these keys here, rather than
4583                            // in the InCallScreen, to make sure we'll respond to them
4584                            // even if the InCallScreen hasn't come to the foreground yet.
4585                            // Look for the DOWN event here, to agree with the "fallback"
4586                            // behavior in the InCallScreen.
4587                            Log.i(TAG, "interceptKeyBeforeQueueing:"
4588                                  + " VOLUME key-down while ringing: Silence ringer!");
4589
4590                            // Silence the ringer.  (It's safe to call this
4591                            // even if the ringer has already been silenced.)
4592                            telecomManager.silenceRinger();
4593
4594                            // And *don't* pass this key thru to the current activity
4595                            // (which is probably the InCallScreen.)
4596                            result &= ~ACTION_PASS_TO_USER;
4597                            break;
4598                        }
4599                        if (telecomManager.isInCall()
4600                                && (result & ACTION_PASS_TO_USER) == 0) {
4601                            // If we are in call but we decided not to pass the key to
4602                            // the application, just pass it to the session service.
4603
4604                            MediaSessionLegacyHelper.getHelper(mContext)
4605                                    .sendVolumeKeyEvent(event, false);
4606                            break;
4607                        }
4608                    }
4609
4610                    if ((result & ACTION_PASS_TO_USER) == 0) {
4611                        if (mUseTvRouting) {
4612                            dispatchDirectAudioEvent(event);
4613                        } else {
4614                            // If we aren't passing to the user and no one else
4615                            // handled it send it to the session manager to
4616                            // figure out.
4617                            MediaSessionLegacyHelper.getHelper(mContext)
4618                                    .sendVolumeKeyEvent(event, true);
4619                        }
4620                        break;
4621                    }
4622                }
4623                break;
4624            }
4625
4626            case KeyEvent.KEYCODE_ENDCALL: {
4627                result &= ~ACTION_PASS_TO_USER;
4628                if (down) {
4629                    TelecomManager telecomManager = getTelecommService();
4630                    boolean hungUp = false;
4631                    if (telecomManager != null) {
4632                        hungUp = telecomManager.endCall();
4633                    }
4634                    if (interactive && !hungUp) {
4635                        mEndCallKeyHandled = false;
4636                        mHandler.postDelayed(mEndCallLongPress,
4637                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
4638                    } else {
4639                        mEndCallKeyHandled = true;
4640                    }
4641                } else {
4642                    if (!mEndCallKeyHandled) {
4643                        mHandler.removeCallbacks(mEndCallLongPress);
4644                        if (!canceled) {
4645                            if ((mEndcallBehavior
4646                                    & Settings.System.END_BUTTON_BEHAVIOR_HOME) != 0) {
4647                                if (goHome()) {
4648                                    break;
4649                                }
4650                            }
4651                            if ((mEndcallBehavior
4652                                    & Settings.System.END_BUTTON_BEHAVIOR_SLEEP) != 0) {
4653                                mPowerManager.goToSleep(event.getEventTime(),
4654                                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
4655                                isWakeKey = false;
4656                            }
4657                        }
4658                    }
4659                }
4660                break;
4661            }
4662
4663            case KeyEvent.KEYCODE_POWER: {
4664                result &= ~ACTION_PASS_TO_USER;
4665                isWakeKey = false; // wake-up will be handled separately
4666                if (down) {
4667                    interceptPowerKeyDown(event, interactive);
4668                } else {
4669                    interceptPowerKeyUp(event, interactive, canceled);
4670                }
4671                break;
4672            }
4673
4674            case KeyEvent.KEYCODE_SLEEP: {
4675                result &= ~ACTION_PASS_TO_USER;
4676                if (!mPowerManager.isInteractive()) {
4677                    useHapticFeedback = false; // suppress feedback if already non-interactive
4678                }
4679                mPowerManager.goToSleep(event.getEventTime(),
4680                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
4681                isWakeKey = false;
4682                break;
4683            }
4684
4685            case KeyEvent.KEYCODE_WAKEUP: {
4686                result &= ~ACTION_PASS_TO_USER;
4687                isWakeKey = true;
4688                break;
4689            }
4690
4691            case KeyEvent.KEYCODE_MEDIA_PLAY:
4692            case KeyEvent.KEYCODE_MEDIA_PAUSE:
4693            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
4694            case KeyEvent.KEYCODE_HEADSETHOOK:
4695            case KeyEvent.KEYCODE_MUTE:
4696            case KeyEvent.KEYCODE_MEDIA_STOP:
4697            case KeyEvent.KEYCODE_MEDIA_NEXT:
4698            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
4699            case KeyEvent.KEYCODE_MEDIA_REWIND:
4700            case KeyEvent.KEYCODE_MEDIA_RECORD:
4701            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
4702            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: {
4703                if (MediaSessionLegacyHelper.getHelper(mContext).isGlobalPriorityActive()) {
4704                    // If the global session is active pass all media keys to it
4705                    // instead of the active window.
4706                    result &= ~ACTION_PASS_TO_USER;
4707                }
4708                if ((result & ACTION_PASS_TO_USER) == 0) {
4709                    // Only do this if we would otherwise not pass it to the user. In that
4710                    // case, the PhoneWindow class will do the same thing, except it will
4711                    // only do it if the showing app doesn't process the key on its own.
4712                    // Note that we need to make a copy of the key event here because the
4713                    // original key event will be recycled when we return.
4714                    mBroadcastWakeLock.acquire();
4715                    Message msg = mHandler.obtainMessage(MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK,
4716                            new KeyEvent(event));
4717                    msg.setAsynchronous(true);
4718                    msg.sendToTarget();
4719                }
4720                break;
4721            }
4722
4723            case KeyEvent.KEYCODE_CALL: {
4724                if (down) {
4725                    TelecomManager telecomManager = getTelecommService();
4726                    if (telecomManager != null) {
4727                        if (telecomManager.isRinging()) {
4728                            Log.i(TAG, "interceptKeyBeforeQueueing:"
4729                                  + " CALL key-down while ringing: Answer the call!");
4730                            telecomManager.acceptRingingCall();
4731
4732                            // And *don't* pass this key thru to the current activity
4733                            // (which is presumably the InCallScreen.)
4734                            result &= ~ACTION_PASS_TO_USER;
4735                        }
4736                    }
4737                }
4738                break;
4739            }
4740            case KeyEvent.KEYCODE_VOICE_ASSIST: {
4741                // Only do this if we would otherwise not pass it to the user. In that case,
4742                // interceptKeyBeforeDispatching would apply a similar but different policy in
4743                // order to invoke voice assist actions. Note that we need to make a copy of the
4744                // key event here because the original key event will be recycled when we return.
4745                if ((result & ACTION_PASS_TO_USER) == 0 && !down) {
4746                    mBroadcastWakeLock.acquire();
4747                    Message msg = mHandler.obtainMessage(MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK,
4748                            keyguardActive ? 1 : 0, 0);
4749                    msg.setAsynchronous(true);
4750                    msg.sendToTarget();
4751                }
4752            }
4753        }
4754
4755        if (useHapticFeedback) {
4756            performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
4757        }
4758
4759        if (isWakeKey) {
4760            wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey);
4761        }
4762
4763        return result;
4764    }
4765
4766    /**
4767     * Returns true if the key can have global actions attached to it.
4768     * We reserve all power management keys for the system since they require
4769     * very careful handling.
4770     */
4771    private static boolean isValidGlobalKey(int keyCode) {
4772        switch (keyCode) {
4773            case KeyEvent.KEYCODE_POWER:
4774            case KeyEvent.KEYCODE_WAKEUP:
4775            case KeyEvent.KEYCODE_SLEEP:
4776                return false;
4777            default:
4778                return true;
4779        }
4780    }
4781
4782    /**
4783     * When the screen is off we ignore some keys that might otherwise typically
4784     * be considered wake keys.  We filter them out here.
4785     *
4786     * {@link KeyEvent#KEYCODE_POWER} is notably absent from this list because it
4787     * is always considered a wake key.
4788     */
4789    private boolean isWakeKeyWhenScreenOff(int keyCode) {
4790        switch (keyCode) {
4791            // ignore volume keys unless docked
4792            case KeyEvent.KEYCODE_VOLUME_UP:
4793            case KeyEvent.KEYCODE_VOLUME_DOWN:
4794            case KeyEvent.KEYCODE_VOLUME_MUTE:
4795                return mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;
4796
4797            // ignore media and camera keys
4798            case KeyEvent.KEYCODE_MUTE:
4799            case KeyEvent.KEYCODE_HEADSETHOOK:
4800            case KeyEvent.KEYCODE_MEDIA_PLAY:
4801            case KeyEvent.KEYCODE_MEDIA_PAUSE:
4802            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
4803            case KeyEvent.KEYCODE_MEDIA_STOP:
4804            case KeyEvent.KEYCODE_MEDIA_NEXT:
4805            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
4806            case KeyEvent.KEYCODE_MEDIA_REWIND:
4807            case KeyEvent.KEYCODE_MEDIA_RECORD:
4808            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
4809            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK:
4810            case KeyEvent.KEYCODE_CAMERA:
4811                return false;
4812        }
4813        return true;
4814    }
4815
4816
4817    /** {@inheritDoc} */
4818    @Override
4819    public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) {
4820        if ((policyFlags & FLAG_WAKE) != 0) {
4821            if (wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotion)) {
4822                return 0;
4823            }
4824        }
4825
4826        if (shouldDispatchInputWhenNonInteractive()) {
4827            return ACTION_PASS_TO_USER;
4828        }
4829
4830        // If we have not passed the action up and we are in theater mode without dreaming,
4831        // there will be no dream to intercept the touch and wake into ambient.  The device should
4832        // wake up in this case.
4833        if (isTheaterModeEnabled() && (policyFlags & FLAG_WAKE) != 0) {
4834            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotionWhenNotDreaming);
4835        }
4836
4837        return 0;
4838    }
4839
4840    private boolean shouldDispatchInputWhenNonInteractive() {
4841        // Send events to keyguard while the screen is on.
4842        if (isKeyguardShowingAndNotOccluded() && mDisplay != null
4843                && mDisplay.getState() != Display.STATE_OFF) {
4844            return true;
4845        }
4846
4847        // Send events to a dozing dream even if the screen is off since the dream
4848        // is in control of the state of the screen.
4849        IDreamManager dreamManager = getDreamManager();
4850
4851        try {
4852            if (dreamManager != null && dreamManager.isDreaming()) {
4853                return true;
4854            }
4855        } catch (RemoteException e) {
4856            Slog.e(TAG, "RemoteException when checking if dreaming", e);
4857        }
4858
4859        // Otherwise, consume events since the user can't see what is being
4860        // interacted with.
4861        return false;
4862    }
4863
4864    private void dispatchDirectAudioEvent(KeyEvent event) {
4865        if (event.getAction() != KeyEvent.ACTION_DOWN) {
4866            return;
4867        }
4868        int keyCode = event.getKeyCode();
4869        int flags = AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_PLAY_SOUND;
4870        String pkgName = mContext.getOpPackageName();
4871        switch (keyCode) {
4872            case KeyEvent.KEYCODE_VOLUME_UP:
4873                try {
4874                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_RAISE,
4875                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName);
4876                } catch (RemoteException e) {
4877                    Log.e(TAG, "Error dispatching volume up in dispatchTvAudioEvent.", e);
4878                }
4879                break;
4880            case KeyEvent.KEYCODE_VOLUME_DOWN:
4881                try {
4882                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_LOWER,
4883                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName);
4884                } catch (RemoteException e) {
4885                    Log.e(TAG, "Error dispatching volume down in dispatchTvAudioEvent.", e);
4886                }
4887                break;
4888            case KeyEvent.KEYCODE_VOLUME_MUTE:
4889                try {
4890                    if (event.getRepeatCount() == 0) {
4891                        getAudioService().adjustSuggestedStreamVolume(
4892                                AudioManager.ADJUST_TOGGLE_MUTE,
4893                                AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName);
4894                    }
4895                } catch (RemoteException e) {
4896                    Log.e(TAG, "Error dispatching mute in dispatchTvAudioEvent.", e);
4897                }
4898                break;
4899        }
4900    }
4901
4902    void dispatchMediaKeyWithWakeLock(KeyEvent event) {
4903        if (DEBUG_INPUT) {
4904            Slog.d(TAG, "dispatchMediaKeyWithWakeLock: " + event);
4905        }
4906
4907        if (mHavePendingMediaKeyRepeatWithWakeLock) {
4908            if (DEBUG_INPUT) {
4909                Slog.d(TAG, "dispatchMediaKeyWithWakeLock: canceled repeat");
4910            }
4911
4912            mHandler.removeMessages(MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK);
4913            mHavePendingMediaKeyRepeatWithWakeLock = false;
4914            mBroadcastWakeLock.release(); // pending repeat was holding onto the wake lock
4915        }
4916
4917        dispatchMediaKeyWithWakeLockToAudioService(event);
4918
4919        if (event.getAction() == KeyEvent.ACTION_DOWN
4920                && event.getRepeatCount() == 0) {
4921            mHavePendingMediaKeyRepeatWithWakeLock = true;
4922
4923            Message msg = mHandler.obtainMessage(
4924                    MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK, event);
4925            msg.setAsynchronous(true);
4926            mHandler.sendMessageDelayed(msg, ViewConfiguration.getKeyRepeatTimeout());
4927        } else {
4928            mBroadcastWakeLock.release();
4929        }
4930    }
4931
4932    void dispatchMediaKeyRepeatWithWakeLock(KeyEvent event) {
4933        mHavePendingMediaKeyRepeatWithWakeLock = false;
4934
4935        KeyEvent repeatEvent = KeyEvent.changeTimeRepeat(event,
4936                SystemClock.uptimeMillis(), 1, event.getFlags() | KeyEvent.FLAG_LONG_PRESS);
4937        if (DEBUG_INPUT) {
4938            Slog.d(TAG, "dispatchMediaKeyRepeatWithWakeLock: " + repeatEvent);
4939        }
4940
4941        dispatchMediaKeyWithWakeLockToAudioService(repeatEvent);
4942        mBroadcastWakeLock.release();
4943    }
4944
4945    void dispatchMediaKeyWithWakeLockToAudioService(KeyEvent event) {
4946        if (ActivityManagerNative.isSystemReady()) {
4947            MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(event, true);
4948        }
4949    }
4950
4951    void launchVoiceAssistWithWakeLock(boolean keyguardActive) {
4952        Intent voiceIntent =
4953            new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
4954        voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, keyguardActive);
4955        mContext.startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
4956        mBroadcastWakeLock.release();
4957    }
4958
4959    BroadcastReceiver mDockReceiver = new BroadcastReceiver() {
4960        @Override
4961        public void onReceive(Context context, Intent intent) {
4962            if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
4963                mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
4964                        Intent.EXTRA_DOCK_STATE_UNDOCKED);
4965            } else {
4966                try {
4967                    IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
4968                            ServiceManager.getService(Context.UI_MODE_SERVICE));
4969                    mUiMode = uiModeService.getCurrentModeType();
4970                } catch (RemoteException e) {
4971                }
4972            }
4973            updateRotation(true);
4974            synchronized (mLock) {
4975                updateOrientationListenerLp();
4976            }
4977        }
4978    };
4979
4980    BroadcastReceiver mDreamReceiver = new BroadcastReceiver() {
4981        @Override
4982        public void onReceive(Context context, Intent intent) {
4983            if (Intent.ACTION_DREAMING_STARTED.equals(intent.getAction())) {
4984                if (mKeyguardDelegate != null) {
4985                    mKeyguardDelegate.onDreamingStarted();
4986                }
4987            } else if (Intent.ACTION_DREAMING_STOPPED.equals(intent.getAction())) {
4988                if (mKeyguardDelegate != null) {
4989                    mKeyguardDelegate.onDreamingStopped();
4990                }
4991            }
4992        }
4993    };
4994
4995    BroadcastReceiver mMultiuserReceiver = new BroadcastReceiver() {
4996        @Override
4997        public void onReceive(Context context, Intent intent) {
4998            if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) {
4999                // tickle the settings observer: this first ensures that we're
5000                // observing the relevant settings for the newly-active user,
5001                // and then updates our own bookkeeping based on the now-
5002                // current user.
5003                mSettingsObserver.onChange(false);
5004
5005                // force a re-application of focused window sysui visibility.
5006                // the window may never have been shown for this user
5007                // e.g. the keyguard when going through the new-user setup flow
5008                synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5009                    mLastSystemUiFlags = 0;
5010                    updateSystemUiVisibilityLw();
5011                }
5012            }
5013        }
5014    };
5015
5016    private final Runnable mRequestTransientNav = new Runnable() {
5017        @Override
5018        public void run() {
5019            requestTransientBars(mNavigationBar);
5020        }
5021    };
5022
5023    private void requestTransientBars(WindowState swipeTarget) {
5024        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5025            if (!isUserSetupComplete()) {
5026                // Swipe-up for navigation bar is disabled during setup
5027                return;
5028            }
5029            boolean sb = mStatusBarController.checkShowTransientBarLw();
5030            boolean nb = mNavigationBarController.checkShowTransientBarLw();
5031            if (sb || nb) {
5032                // Don't show status bar when swiping on already visible navigation bar
5033                if (!nb && swipeTarget == mNavigationBar) {
5034                    if (DEBUG) Slog.d(TAG, "Not showing transient bar, wrong swipe target");
5035                    return;
5036                }
5037                if (sb) mStatusBarController.showTransient();
5038                if (nb) mNavigationBarController.showTransient();
5039                mImmersiveModeConfirmation.confirmCurrentPrompt();
5040                updateSystemUiVisibilityLw();
5041            }
5042        }
5043    }
5044
5045    // Called on the PowerManager's Notifier thread.
5046    @Override
5047    public void goingToSleep(int why) {
5048        EventLog.writeEvent(70000, 0);
5049        if (DEBUG_WAKEUP) Slog.i(TAG, "Going to sleep...");
5050
5051        // We must get this work done here because the power manager will drop
5052        // the wake lock and let the system suspend once this function returns.
5053        synchronized (mLock) {
5054            mAwake = false;
5055            mKeyguardDrawComplete = false;
5056            updateWakeGestureListenerLp();
5057            updateOrientationListenerLp();
5058            updateLockScreenTimeout();
5059        }
5060
5061        if (mKeyguardDelegate != null) {
5062            mKeyguardDelegate.onScreenTurnedOff(why);
5063        }
5064    }
5065
5066    private void wakeUpFromPowerKey(long eventTime) {
5067        wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey);
5068    }
5069
5070    private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode) {
5071        if (!wakeInTheaterMode && isTheaterModeEnabled()) {
5072            return false;
5073        }
5074
5075        mPowerManager.wakeUp(wakeTime);
5076        return true;
5077    }
5078
5079    // Called on the PowerManager's Notifier thread.
5080    @Override
5081    public void wakingUp() {
5082        EventLog.writeEvent(70000, 1);
5083        if (DEBUG_WAKEUP) Slog.i(TAG, "Waking up...");
5084
5085        // Since goToSleep performs these functions synchronously, we must
5086        // do the same here.  We cannot post this work to a handler because
5087        // that might cause it to become reordered with respect to what
5088        // may happen in a future call to goToSleep.
5089        synchronized (mLock) {
5090            mAwake = true;
5091            mKeyguardDrawComplete = false;
5092            if (mKeyguardDelegate != null) {
5093                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
5094                mHandler.sendEmptyMessageDelayed(MSG_KEYGUARD_DRAWN_TIMEOUT, 1000);
5095            }
5096
5097            updateWakeGestureListenerLp();
5098            updateOrientationListenerLp();
5099            updateLockScreenTimeout();
5100        }
5101
5102        if (mKeyguardDelegate != null) {
5103            mKeyguardDelegate.onScreenTurnedOn(mKeyguardDelegateCallback);
5104            // ... eventually calls finishKeyguardDrawn
5105        } else {
5106            if (DEBUG_WAKEUP) Slog.d(TAG, "null mKeyguardDelegate: setting mKeyguardDrawComplete.");
5107            finishKeyguardDrawn();
5108        }
5109    }
5110
5111    private void finishKeyguardDrawn() {
5112        synchronized (mLock) {
5113            if (!mAwake || mKeyguardDrawComplete) {
5114                return; // spurious
5115            }
5116
5117            mKeyguardDrawComplete = true;
5118            if (mKeyguardDelegate != null) {
5119                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
5120            }
5121        }
5122
5123        finishScreenTurningOn();
5124    }
5125
5126    // Called on the DisplayManager's DisplayPowerController thread.
5127    @Override
5128    public void screenTurnedOff() {
5129        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turned off...");
5130
5131        synchronized (mLock) {
5132            mScreenOnEarly = false;
5133            mScreenOnFully = false;
5134            mWindowManagerDrawComplete = false;
5135            mScreenOnListener = null;
5136            updateOrientationListenerLp();
5137        }
5138    }
5139
5140    // Called on the DisplayManager's DisplayPowerController thread.
5141    @Override
5142    public void screenTurningOn(final ScreenOnListener screenOnListener) {
5143        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turning on...");
5144
5145        synchronized (mLock) {
5146            mScreenOnEarly = true;
5147            mScreenOnFully = false;
5148            mWindowManagerDrawComplete = false;
5149            mScreenOnListener = screenOnListener;
5150            updateOrientationListenerLp();
5151        }
5152
5153        mWindowManagerInternal.waitForAllWindowsDrawn(mWindowManagerDrawCallback,
5154                WAITING_FOR_DRAWN_TIMEOUT);
5155        // ... eventually calls finishWindowsDrawn
5156    }
5157
5158    private void finishWindowsDrawn() {
5159        synchronized (mLock) {
5160            if (!mScreenOnEarly || mWindowManagerDrawComplete) {
5161                return; // spurious
5162            }
5163
5164            mWindowManagerDrawComplete = true;
5165        }
5166
5167        finishScreenTurningOn();
5168    }
5169
5170    private void finishScreenTurningOn() {
5171        final ScreenOnListener listener;
5172        final boolean enableScreen;
5173        synchronized (mLock) {
5174            if (DEBUG_WAKEUP) Slog.d(TAG,
5175                    "finishScreenTurningOn: mAwake=" + mAwake
5176                            + ", mScreenOnEarly=" + mScreenOnEarly
5177                            + ", mScreenOnFully=" + mScreenOnFully
5178                            + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
5179                            + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
5180
5181            if (mScreenOnFully || !mScreenOnEarly || !mWindowManagerDrawComplete
5182                    || (mAwake && !mKeyguardDrawComplete)) {
5183                return; // spurious or not ready yet
5184            }
5185
5186            if (DEBUG_WAKEUP) Slog.i(TAG, "Finished screen turning on...");
5187            listener = mScreenOnListener;
5188            mScreenOnListener = null;
5189            mScreenOnFully = true;
5190
5191            // Remember the first time we draw the keyguard so we know when we're done with
5192            // the main part of booting and can enable the screen and hide boot messages.
5193            if (!mKeyguardDrawnOnce && mAwake) {
5194                mKeyguardDrawnOnce = true;
5195                enableScreen = true;
5196                if (mBootMessageNeedsHiding) {
5197                    mBootMessageNeedsHiding = false;
5198                    hideBootMessages();
5199                }
5200            } else {
5201                enableScreen = false;
5202            }
5203        }
5204
5205        if (listener != null) {
5206            listener.onScreenOn();
5207        }
5208
5209        if (enableScreen) {
5210            try {
5211                mWindowManager.enableScreenIfNeeded();
5212            } catch (RemoteException unhandled) {
5213            }
5214        }
5215    }
5216
5217    private void handleHideBootMessage() {
5218        synchronized (mLock) {
5219            if (!mKeyguardDrawnOnce) {
5220                mBootMessageNeedsHiding = true;
5221                return; // keyguard hasn't drawn the first time yet, not done booting
5222            }
5223        }
5224
5225        if (mBootMsgDialog != null) {
5226            if (DEBUG_WAKEUP) Slog.d(TAG, "handleHideBootMessage: dismissing");
5227            mBootMsgDialog.dismiss();
5228            mBootMsgDialog = null;
5229        }
5230    }
5231
5232    @Override
5233    public boolean isScreenOn() {
5234        return mScreenOnFully;
5235    }
5236
5237    /** {@inheritDoc} */
5238    @Override
5239    public void enableKeyguard(boolean enabled) {
5240        if (mKeyguardDelegate != null) {
5241            mKeyguardDelegate.setKeyguardEnabled(enabled);
5242        }
5243    }
5244
5245    /** {@inheritDoc} */
5246    @Override
5247    public void exitKeyguardSecurely(OnKeyguardExitResult callback) {
5248        if (mKeyguardDelegate != null) {
5249            mKeyguardDelegate.verifyUnlock(callback);
5250        }
5251    }
5252
5253    private boolean isKeyguardShowingAndNotOccluded() {
5254        if (mKeyguardDelegate == null) return false;
5255        return mKeyguardDelegate.isShowing() && !mKeyguardOccluded;
5256    }
5257
5258    /** {@inheritDoc} */
5259    @Override
5260    public boolean isKeyguardLocked() {
5261        return keyguardOn();
5262    }
5263
5264    /** {@inheritDoc} */
5265    @Override
5266    public boolean isKeyguardSecure() {
5267        if (mKeyguardDelegate == null) return false;
5268        return mKeyguardDelegate.isSecure();
5269    }
5270
5271    /** {@inheritDoc} */
5272    @Override
5273    public boolean inKeyguardRestrictedKeyInputMode() {
5274        if (mKeyguardDelegate == null) return false;
5275        return mKeyguardDelegate.isInputRestricted();
5276    }
5277
5278    @Override
5279    public void dismissKeyguardLw() {
5280        if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
5281            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.dismissKeyguardLw");
5282            mHandler.post(new Runnable() {
5283                @Override
5284                public void run() {
5285                    // ask the keyguard to prompt the user to authenticate if necessary
5286                    mKeyguardDelegate.dismiss();
5287                }
5288            });
5289        }
5290    }
5291
5292    public void notifyActivityDrawnForKeyguardLw() {
5293        if (mKeyguardDelegate != null) {
5294            mHandler.post(new Runnable() {
5295                @Override
5296                public void run() {
5297                    mKeyguardDelegate.onActivityDrawn();
5298                }
5299            });
5300        }
5301    }
5302
5303    @Override
5304    public boolean isKeyguardDrawnLw() {
5305        synchronized (mLock) {
5306            return mKeyguardDrawnOnce;
5307        }
5308    }
5309
5310    @Override
5311    public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
5312        if (mKeyguardDelegate != null) {
5313            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.startKeyguardExitAnimation");
5314            mKeyguardDelegate.startKeyguardExitAnimation(startTime, fadeoutDuration);
5315        }
5316    }
5317
5318    void sendCloseSystemWindows() {
5319        PhoneWindow.sendCloseSystemWindows(mContext, null);
5320    }
5321
5322    void sendCloseSystemWindows(String reason) {
5323        PhoneWindow.sendCloseSystemWindows(mContext, reason);
5324    }
5325
5326    @Override
5327    public int rotationForOrientationLw(int orientation, int lastRotation) {
5328        if (false) {
5329            Slog.v(TAG, "rotationForOrientationLw(orient="
5330                        + orientation + ", last=" + lastRotation
5331                        + "); user=" + mUserRotation + " "
5332                        + ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED)
5333                            ? "USER_ROTATION_LOCKED" : "")
5334                        );
5335        }
5336
5337        if (mForceDefaultOrientation) {
5338            return Surface.ROTATION_0;
5339        }
5340
5341        synchronized (mLock) {
5342            int sensorRotation = mOrientationListener.getProposedRotation(); // may be -1
5343            if (sensorRotation < 0) {
5344                sensorRotation = lastRotation;
5345            }
5346
5347            final int preferredRotation;
5348            if (mLidState == LID_OPEN && mLidOpenRotation >= 0) {
5349                // Ignore sensor when lid switch is open and rotation is forced.
5350                preferredRotation = mLidOpenRotation;
5351            } else if (mDockMode == Intent.EXTRA_DOCK_STATE_CAR
5352                    && (mCarDockEnablesAccelerometer || mCarDockRotation >= 0)) {
5353                // Ignore sensor when in car dock unless explicitly enabled.
5354                // This case can override the behavior of NOSENSOR, and can also
5355                // enable 180 degree rotation while docked.
5356                preferredRotation = mCarDockEnablesAccelerometer
5357                        ? sensorRotation : mCarDockRotation;
5358            } else if ((mDockMode == Intent.EXTRA_DOCK_STATE_DESK
5359                    || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
5360                    || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK)
5361                    && (mDeskDockEnablesAccelerometer || mDeskDockRotation >= 0)) {
5362                // Ignore sensor when in desk dock unless explicitly enabled.
5363                // This case can override the behavior of NOSENSOR, and can also
5364                // enable 180 degree rotation while docked.
5365                preferredRotation = mDeskDockEnablesAccelerometer
5366                        ? sensorRotation : mDeskDockRotation;
5367            } else if (mHdmiPlugged && mDemoHdmiRotationLock) {
5368                // Ignore sensor when plugged into HDMI when demo HDMI rotation lock enabled.
5369                // Note that the dock orientation overrides the HDMI orientation.
5370                preferredRotation = mDemoHdmiRotation;
5371            } else if (mHdmiPlugged && mDockMode == Intent.EXTRA_DOCK_STATE_UNDOCKED
5372                    && mUndockedHdmiRotation >= 0) {
5373                // Ignore sensor when plugged into HDMI and an undocked orientation has
5374                // been specified in the configuration (only for legacy devices without
5375                // full multi-display support).
5376                // Note that the dock orientation overrides the HDMI orientation.
5377                preferredRotation = mUndockedHdmiRotation;
5378            } else if (mDemoRotationLock) {
5379                // Ignore sensor when demo rotation lock is enabled.
5380                // Note that the dock orientation and HDMI rotation lock override this.
5381                preferredRotation = mDemoRotation;
5382            } else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {
5383                // Application just wants to remain locked in the last rotation.
5384                preferredRotation = lastRotation;
5385            } else if (!mSupportAutoRotation) {
5386                // If we don't support auto-rotation then bail out here and ignore
5387                // the sensor and any rotation lock settings.
5388                preferredRotation = -1;
5389            } else if ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE
5390                            && (orientation == ActivityInfo.SCREEN_ORIENTATION_USER
5391                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
5392                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
5393                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT
5394                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER))
5395                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
5396                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
5397                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE
5398                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) {
5399                // Otherwise, use sensor only if requested by the application or enabled
5400                // by default for USER or UNSPECIFIED modes.  Does not apply to NOSENSOR.
5401                if (mAllowAllRotations < 0) {
5402                    // Can't read this during init() because the context doesn't
5403                    // have display metrics at that time so we cannot determine
5404                    // tablet vs. phone then.
5405                    mAllowAllRotations = mContext.getResources().getBoolean(
5406                            com.android.internal.R.bool.config_allowAllRotations) ? 1 : 0;
5407                }
5408                if (sensorRotation != Surface.ROTATION_180
5409                        || mAllowAllRotations == 1
5410                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
5411                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER) {
5412                    preferredRotation = sensorRotation;
5413                } else {
5414                    preferredRotation = lastRotation;
5415                }
5416            } else if (mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED
5417                    && orientation != ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
5418                // Apply rotation lock.  Does not apply to NOSENSOR.
5419                // The idea is that the user rotation expresses a weak preference for the direction
5420                // of gravity and as NOSENSOR is never affected by gravity, then neither should
5421                // NOSENSOR be affected by rotation lock (although it will be affected by docks).
5422                preferredRotation = mUserRotation;
5423            } else {
5424                // No overriding preference.
5425                // We will do exactly what the application asked us to do.
5426                preferredRotation = -1;
5427            }
5428
5429            switch (orientation) {
5430                case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
5431                    // Return portrait unless overridden.
5432                    if (isAnyPortrait(preferredRotation)) {
5433                        return preferredRotation;
5434                    }
5435                    return mPortraitRotation;
5436
5437                case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
5438                    // Return landscape unless overridden.
5439                    if (isLandscapeOrSeascape(preferredRotation)) {
5440                        return preferredRotation;
5441                    }
5442                    return mLandscapeRotation;
5443
5444                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
5445                    // Return reverse portrait unless overridden.
5446                    if (isAnyPortrait(preferredRotation)) {
5447                        return preferredRotation;
5448                    }
5449                    return mUpsideDownRotation;
5450
5451                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
5452                    // Return seascape unless overridden.
5453                    if (isLandscapeOrSeascape(preferredRotation)) {
5454                        return preferredRotation;
5455                    }
5456                    return mSeascapeRotation;
5457
5458                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
5459                case ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE:
5460                    // Return either landscape rotation.
5461                    if (isLandscapeOrSeascape(preferredRotation)) {
5462                        return preferredRotation;
5463                    }
5464                    if (isLandscapeOrSeascape(lastRotation)) {
5465                        return lastRotation;
5466                    }
5467                    return mLandscapeRotation;
5468
5469                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
5470                case ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT:
5471                    // Return either portrait rotation.
5472                    if (isAnyPortrait(preferredRotation)) {
5473                        return preferredRotation;
5474                    }
5475                    if (isAnyPortrait(lastRotation)) {
5476                        return lastRotation;
5477                    }
5478                    return mPortraitRotation;
5479
5480                default:
5481                    // For USER, UNSPECIFIED, NOSENSOR, SENSOR and FULL_SENSOR,
5482                    // just return the preferred orientation we already calculated.
5483                    if (preferredRotation >= 0) {
5484                        return preferredRotation;
5485                    }
5486                    return Surface.ROTATION_0;
5487            }
5488        }
5489    }
5490
5491    @Override
5492    public boolean rotationHasCompatibleMetricsLw(int orientation, int rotation) {
5493        switch (orientation) {
5494            case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
5495            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
5496            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
5497                return isAnyPortrait(rotation);
5498
5499            case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
5500            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
5501            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
5502                return isLandscapeOrSeascape(rotation);
5503
5504            default:
5505                return true;
5506        }
5507    }
5508
5509    @Override
5510    public void setRotationLw(int rotation) {
5511        mOrientationListener.setCurrentRotation(rotation);
5512    }
5513
5514    private boolean isLandscapeOrSeascape(int rotation) {
5515        return rotation == mLandscapeRotation || rotation == mSeascapeRotation;
5516    }
5517
5518    private boolean isAnyPortrait(int rotation) {
5519        return rotation == mPortraitRotation || rotation == mUpsideDownRotation;
5520    }
5521
5522    @Override
5523    public int getUserRotationMode() {
5524        return Settings.System.getIntForUser(mContext.getContentResolver(),
5525                Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
5526                        WindowManagerPolicy.USER_ROTATION_FREE :
5527                                WindowManagerPolicy.USER_ROTATION_LOCKED;
5528    }
5529
5530    // User rotation: to be used when all else fails in assigning an orientation to the device
5531    @Override
5532    public void setUserRotationMode(int mode, int rot) {
5533        ContentResolver res = mContext.getContentResolver();
5534
5535        // mUserRotationMode and mUserRotation will be assigned by the content observer
5536        if (mode == WindowManagerPolicy.USER_ROTATION_LOCKED) {
5537            Settings.System.putIntForUser(res,
5538                    Settings.System.USER_ROTATION,
5539                    rot,
5540                    UserHandle.USER_CURRENT);
5541            Settings.System.putIntForUser(res,
5542                    Settings.System.ACCELEROMETER_ROTATION,
5543                    0,
5544                    UserHandle.USER_CURRENT);
5545        } else {
5546            Settings.System.putIntForUser(res,
5547                    Settings.System.ACCELEROMETER_ROTATION,
5548                    1,
5549                    UserHandle.USER_CURRENT);
5550        }
5551    }
5552
5553    @Override
5554    public void setSafeMode(boolean safeMode) {
5555        mSafeMode = safeMode;
5556        performHapticFeedbackLw(null, safeMode
5557                ? HapticFeedbackConstants.SAFE_MODE_ENABLED
5558                : HapticFeedbackConstants.SAFE_MODE_DISABLED, true);
5559    }
5560
5561    static long[] getLongIntArray(Resources r, int resid) {
5562        int[] ar = r.getIntArray(resid);
5563        if (ar == null) {
5564            return null;
5565        }
5566        long[] out = new long[ar.length];
5567        for (int i=0; i<ar.length; i++) {
5568            out[i] = ar[i];
5569        }
5570        return out;
5571    }
5572
5573    /** {@inheritDoc} */
5574    @Override
5575    public void systemReady() {
5576        mKeyguardDelegate = new KeyguardServiceDelegate(mContext);
5577        mKeyguardDelegate.onSystemReady();
5578
5579        readCameraLensCoverState();
5580        updateUiMode();
5581        synchronized (mLock) {
5582            updateOrientationListenerLp();
5583            mSystemReady = true;
5584            mHandler.post(new Runnable() {
5585                @Override
5586                public void run() {
5587                    updateSettings();
5588                }
5589            });
5590        }
5591    }
5592
5593    /** {@inheritDoc} */
5594    @Override
5595    public void systemBooted() {
5596        if (mKeyguardDelegate != null) {
5597            mKeyguardDelegate.bindService(mContext);
5598            mKeyguardDelegate.onBootCompleted();
5599        }
5600        synchronized (mLock) {
5601            mSystemBooted = true;
5602        }
5603        wakingUp();
5604        screenTurningOn(null);
5605    }
5606
5607    ProgressDialog mBootMsgDialog = null;
5608
5609    /** {@inheritDoc} */
5610    @Override
5611    public void showBootMessage(final CharSequence msg, final boolean always) {
5612        mHandler.post(new Runnable() {
5613            @Override public void run() {
5614                if (mBootMsgDialog == null) {
5615                    int theme;
5616                    if (mContext.getPackageManager().hasSystemFeature(
5617                            PackageManager.FEATURE_WATCH)) {
5618                        theme = com.android.internal.R.style.Theme_Micro_Dialog_Alert;
5619                    } else if (mContext.getPackageManager().hasSystemFeature(
5620                            PackageManager.FEATURE_TELEVISION)) {
5621                        theme = com.android.internal.R.style.Theme_Leanback_Dialog_Alert;
5622                    } else {
5623                        theme = 0;
5624                    }
5625
5626                    mBootMsgDialog = new ProgressDialog(mContext, theme) {
5627                        // This dialog will consume all events coming in to
5628                        // it, to avoid it trying to do things too early in boot.
5629                        @Override public boolean dispatchKeyEvent(KeyEvent event) {
5630                            return true;
5631                        }
5632                        @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
5633                            return true;
5634                        }
5635                        @Override public boolean dispatchTouchEvent(MotionEvent ev) {
5636                            return true;
5637                        }
5638                        @Override public boolean dispatchTrackballEvent(MotionEvent ev) {
5639                            return true;
5640                        }
5641                        @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) {
5642                            return true;
5643                        }
5644                        @Override public boolean dispatchPopulateAccessibilityEvent(
5645                                AccessibilityEvent event) {
5646                            return true;
5647                        }
5648                    };
5649                    if (mContext.getPackageManager().isUpgrade()) {
5650                        mBootMsgDialog.setTitle(R.string.android_upgrading_title);
5651                    } else {
5652                        mBootMsgDialog.setTitle(R.string.android_start_title);
5653                    }
5654                    mBootMsgDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
5655                    mBootMsgDialog.setIndeterminate(true);
5656                    mBootMsgDialog.getWindow().setType(
5657                            WindowManager.LayoutParams.TYPE_BOOT_PROGRESS);
5658                    mBootMsgDialog.getWindow().addFlags(
5659                            WindowManager.LayoutParams.FLAG_DIM_BEHIND
5660                            | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
5661                    mBootMsgDialog.getWindow().setDimAmount(1);
5662                    WindowManager.LayoutParams lp = mBootMsgDialog.getWindow().getAttributes();
5663                    lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
5664                    mBootMsgDialog.getWindow().setAttributes(lp);
5665                    mBootMsgDialog.setCancelable(false);
5666                    mBootMsgDialog.show();
5667                }
5668                mBootMsgDialog.setMessage(msg);
5669            }
5670        });
5671    }
5672
5673    /** {@inheritDoc} */
5674    @Override
5675    public void hideBootMessages() {
5676        mHandler.sendEmptyMessage(MSG_HIDE_BOOT_MESSAGE);
5677    }
5678
5679    /** {@inheritDoc} */
5680    @Override
5681    public void userActivity() {
5682        // ***************************************
5683        // NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
5684        // ***************************************
5685        // THIS IS CALLED FROM DEEP IN THE POWER MANAGER
5686        // WITH ITS LOCKS HELD.
5687        //
5688        // This code must be VERY careful about the locks
5689        // it acquires.
5690        // In fact, the current code acquires way too many,
5691        // and probably has lurking deadlocks.
5692
5693        synchronized (mScreenLockTimeout) {
5694            if (mLockScreenTimerActive) {
5695                // reset the timer
5696                mHandler.removeCallbacks(mScreenLockTimeout);
5697                mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
5698            }
5699        }
5700    }
5701
5702    class ScreenLockTimeout implements Runnable {
5703        Bundle options;
5704
5705        @Override
5706        public void run() {
5707            synchronized (this) {
5708                if (localLOGV) Log.v(TAG, "mScreenLockTimeout activating keyguard");
5709                if (mKeyguardDelegate != null) {
5710                    mKeyguardDelegate.doKeyguardTimeout(options);
5711                }
5712                mLockScreenTimerActive = false;
5713                options = null;
5714            }
5715        }
5716
5717        public void setLockOptions(Bundle options) {
5718            this.options = options;
5719        }
5720    }
5721
5722    ScreenLockTimeout mScreenLockTimeout = new ScreenLockTimeout();
5723
5724    @Override
5725    public void lockNow(Bundle options) {
5726        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);
5727        mHandler.removeCallbacks(mScreenLockTimeout);
5728        if (options != null) {
5729            // In case multiple calls are made to lockNow, we don't wipe out the options
5730            // until the runnable actually executes.
5731            mScreenLockTimeout.setLockOptions(options);
5732        }
5733        mHandler.post(mScreenLockTimeout);
5734    }
5735
5736    private void updateLockScreenTimeout() {
5737        synchronized (mScreenLockTimeout) {
5738            boolean enable = (mAllowLockscreenWhenOn && mAwake &&
5739                    mKeyguardDelegate != null && mKeyguardDelegate.isSecure());
5740            if (mLockScreenTimerActive != enable) {
5741                if (enable) {
5742                    if (localLOGV) Log.v(TAG, "setting lockscreen timer");
5743                    mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
5744                } else {
5745                    if (localLOGV) Log.v(TAG, "clearing lockscreen timer");
5746                    mHandler.removeCallbacks(mScreenLockTimeout);
5747                }
5748                mLockScreenTimerActive = enable;
5749            }
5750        }
5751    }
5752
5753    /** {@inheritDoc} */
5754    @Override
5755    public void enableScreenAfterBoot() {
5756        readLidState();
5757        applyLidSwitchState();
5758        updateRotation(true);
5759    }
5760
5761    private void applyLidSwitchState() {
5762        if (mLidState == LID_CLOSED && mLidControlsSleep) {
5763            mPowerManager.goToSleep(SystemClock.uptimeMillis(),
5764                    PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH,
5765                    PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
5766        }
5767
5768        synchronized (mLock) {
5769            updateWakeGestureListenerLp();
5770        }
5771    }
5772
5773    void updateUiMode() {
5774        if (mUiModeManager == null) {
5775            mUiModeManager = IUiModeManager.Stub.asInterface(
5776                    ServiceManager.getService(Context.UI_MODE_SERVICE));
5777        }
5778        try {
5779            mUiMode = mUiModeManager.getCurrentModeType();
5780        } catch (RemoteException e) {
5781        }
5782    }
5783
5784    void updateRotation(boolean alwaysSendConfiguration) {
5785        try {
5786            //set orientation on WindowManager
5787            mWindowManager.updateRotation(alwaysSendConfiguration, false);
5788        } catch (RemoteException e) {
5789            // Ignore
5790        }
5791    }
5792
5793    void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
5794        try {
5795            //set orientation on WindowManager
5796            mWindowManager.updateRotation(alwaysSendConfiguration, forceRelayout);
5797        } catch (RemoteException e) {
5798            // Ignore
5799        }
5800    }
5801
5802    /**
5803     * Return an Intent to launch the currently active dock app as home.  Returns
5804     * null if the standard home should be launched, which is the case if any of the following is
5805     * true:
5806     * <ul>
5807     *  <li>The device is not in either car mode or desk mode
5808     *  <li>The device is in car mode but ENABLE_CAR_DOCK_HOME_CAPTURE is false
5809     *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
5810     *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
5811     *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
5812     * </ul>
5813     * @return A dock intent.
5814     */
5815    Intent createHomeDockIntent() {
5816        Intent intent = null;
5817
5818        // What home does is based on the mode, not the dock state.  That
5819        // is, when in car mode you should be taken to car home regardless
5820        // of whether we are actually in a car dock.
5821        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
5822            if (ENABLE_CAR_DOCK_HOME_CAPTURE) {
5823                intent = mCarDockIntent;
5824            }
5825        } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
5826            if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
5827                intent = mDeskDockIntent;
5828            }
5829        } else if (mUiMode == Configuration.UI_MODE_TYPE_WATCH
5830                && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
5831                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK
5832                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK)) {
5833            // Always launch dock home from home when watch is docked, if it exists.
5834            intent = mDeskDockIntent;
5835        }
5836
5837        if (intent == null) {
5838            return null;
5839        }
5840
5841        ActivityInfo ai = null;
5842        ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(
5843                intent,
5844                PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_META_DATA,
5845                mCurrentUserId);
5846        if (info != null) {
5847            ai = info.activityInfo;
5848        }
5849        if (ai != null
5850                && ai.metaData != null
5851                && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
5852            intent = new Intent(intent);
5853            intent.setClassName(ai.packageName, ai.name);
5854            return intent;
5855        }
5856
5857        return null;
5858    }
5859
5860    void startDockOrHome(boolean fromHomeKey) {
5861        awakenDreams();
5862
5863        Intent dock = createHomeDockIntent();
5864        if (dock != null) {
5865            try {
5866                if (fromHomeKey) {
5867                    dock.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
5868                }
5869                mContext.startActivityAsUser(dock, UserHandle.CURRENT);
5870                return;
5871            } catch (ActivityNotFoundException e) {
5872            }
5873        }
5874
5875        Intent intent;
5876
5877        if (fromHomeKey) {
5878            intent = new Intent(mHomeIntent);
5879            intent.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
5880        } else {
5881            intent = mHomeIntent;
5882        }
5883
5884        mContext.startActivityAsUser(intent, UserHandle.CURRENT);
5885    }
5886
5887    /**
5888     * goes to the home screen
5889     * @return whether it did anything
5890     */
5891    boolean goHome() {
5892        if (false) {
5893            // This code always brings home to the front.
5894            try {
5895                ActivityManagerNative.getDefault().stopAppSwitches();
5896            } catch (RemoteException e) {
5897            }
5898            sendCloseSystemWindows();
5899            startDockOrHome(false /*fromHomeKey*/);
5900        } else {
5901            // This code brings home to the front or, if it is already
5902            // at the front, puts the device to sleep.
5903            try {
5904                if (SystemProperties.getInt("persist.sys.uts-test-mode", 0) == 1) {
5905                    /// Roll back EndcallBehavior as the cupcake design to pass P1 lab entry.
5906                    Log.d(TAG, "UTS-TEST-MODE");
5907                } else {
5908                    ActivityManagerNative.getDefault().stopAppSwitches();
5909                    sendCloseSystemWindows();
5910                    Intent dock = createHomeDockIntent();
5911                    if (dock != null) {
5912                        int result = ActivityManagerNative.getDefault()
5913                                .startActivityAsUser(null, null, dock,
5914                                        dock.resolveTypeIfNeeded(mContext.getContentResolver()),
5915                                        null, null, 0,
5916                                        ActivityManager.START_FLAG_ONLY_IF_NEEDED,
5917                                        null, null, UserHandle.USER_CURRENT);
5918                        if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
5919                            return false;
5920                        }
5921                    }
5922                }
5923                int result = ActivityManagerNative.getDefault()
5924                        .startActivityAsUser(null, null, mHomeIntent,
5925                                mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
5926                                null, null, 0,
5927                                ActivityManager.START_FLAG_ONLY_IF_NEEDED,
5928                                null, null, UserHandle.USER_CURRENT);
5929                if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
5930                    return false;
5931                }
5932            } catch (RemoteException ex) {
5933                // bummer, the activity manager, which is in this process, is dead
5934            }
5935        }
5936        return true;
5937    }
5938
5939    @Override
5940    public void setCurrentOrientationLw(int newOrientation) {
5941        synchronized (mLock) {
5942            if (newOrientation != mCurrentAppOrientation) {
5943                mCurrentAppOrientation = newOrientation;
5944                updateOrientationListenerLp();
5945            }
5946        }
5947    }
5948
5949    private void performAuditoryFeedbackForAccessibilityIfNeed() {
5950        if (!isGlobalAccessibilityGestureEnabled()) {
5951            return;
5952        }
5953        AudioManager audioManager = (AudioManager) mContext.getSystemService(
5954                Context.AUDIO_SERVICE);
5955        if (audioManager.isSilentMode()) {
5956            return;
5957        }
5958        Ringtone ringTone = RingtoneManager.getRingtone(mContext,
5959                Settings.System.DEFAULT_NOTIFICATION_URI);
5960        ringTone.setStreamType(AudioManager.STREAM_MUSIC);
5961        ringTone.play();
5962    }
5963
5964    private boolean isTheaterModeEnabled() {
5965        return Settings.Global.getInt(mContext.getContentResolver(),
5966                Settings.Global.THEATER_MODE_ON, 0) == 1;
5967    }
5968
5969    private boolean isGlobalAccessibilityGestureEnabled() {
5970        return Settings.Global.getInt(mContext.getContentResolver(),
5971                Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED, 0) == 1;
5972    }
5973
5974    @Override
5975    public boolean performHapticFeedbackLw(WindowState win, int effectId, boolean always) {
5976        if (!mVibrator.hasVibrator()) {
5977            return false;
5978        }
5979        final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(),
5980                Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0;
5981        if (hapticsDisabled && !always) {
5982            return false;
5983        }
5984        long[] pattern = null;
5985        switch (effectId) {
5986            case HapticFeedbackConstants.LONG_PRESS:
5987                pattern = mLongPressVibePattern;
5988                break;
5989            case HapticFeedbackConstants.VIRTUAL_KEY:
5990                pattern = mVirtualKeyVibePattern;
5991                break;
5992            case HapticFeedbackConstants.KEYBOARD_TAP:
5993                pattern = mKeyboardTapVibePattern;
5994                break;
5995            case HapticFeedbackConstants.CLOCK_TICK:
5996                pattern = mClockTickVibePattern;
5997                break;
5998            case HapticFeedbackConstants.CALENDAR_DATE:
5999                pattern = mCalendarDateVibePattern;
6000                break;
6001            case HapticFeedbackConstants.SAFE_MODE_DISABLED:
6002                pattern = mSafeModeDisabledVibePattern;
6003                break;
6004            case HapticFeedbackConstants.SAFE_MODE_ENABLED:
6005                pattern = mSafeModeEnabledVibePattern;
6006                break;
6007            default:
6008                return false;
6009        }
6010        int owningUid;
6011        String owningPackage;
6012        if (win != null) {
6013            owningUid = win.getOwningUid();
6014            owningPackage = win.getOwningPackage();
6015        } else {
6016            owningUid = android.os.Process.myUid();
6017            owningPackage = mContext.getOpPackageName();
6018        }
6019        if (pattern.length == 1) {
6020            // One-shot vibration
6021            mVibrator.vibrate(owningUid, owningPackage, pattern[0], VIBRATION_ATTRIBUTES);
6022        } else {
6023            // Pattern vibration
6024            mVibrator.vibrate(owningUid, owningPackage, pattern, -1, VIBRATION_ATTRIBUTES);
6025        }
6026        return true;
6027    }
6028
6029    @Override
6030    public void keepScreenOnStartedLw() {
6031    }
6032
6033    @Override
6034    public void keepScreenOnStoppedLw() {
6035        if (isKeyguardShowingAndNotOccluded()) {
6036            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
6037        }
6038    }
6039
6040    private int updateSystemUiVisibilityLw() {
6041        // If there is no window focused, there will be nobody to handle the events
6042        // anyway, so just hang on in whatever state we're in until things settle down.
6043        final WindowState win = mFocusedWindow != null ? mFocusedWindow
6044                : mTopFullscreenOpaqueWindowState;
6045        if (win == null) {
6046            return 0;
6047        }
6048        if ((win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 && mHideLockScreen == true) {
6049            // We are updating at a point where the keyguard has gotten
6050            // focus, but we were last in a state where the top window is
6051            // hiding it.  This is probably because the keyguard as been
6052            // shown while the top window was displayed, so we want to ignore
6053            // it here because this is just a very transient change and it
6054            // will quickly lose focus once it correctly gets hidden.
6055            return 0;
6056        }
6057
6058        int tmpVisibility = PolicyControl.getSystemUiVisibility(win, null)
6059                & ~mResettingSystemUiFlags
6060                & ~mForceClearedSystemUiFlags;
6061        if (mForcingShowNavBar && win.getSurfaceLayer() < mForcingShowNavBarLayer) {
6062            tmpVisibility &= ~PolicyControl.adjustClearableFlags(win, View.SYSTEM_UI_CLEARABLE_FLAGS);
6063        }
6064        tmpVisibility = updateLightStatusBarLw(tmpVisibility);
6065        final int visibility = updateSystemBarsLw(win, mLastSystemUiFlags, tmpVisibility);
6066        final int diff = visibility ^ mLastSystemUiFlags;
6067        final boolean needsMenu = win.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
6068        if (diff == 0 && mLastFocusNeedsMenu == needsMenu
6069                && mFocusedApp == win.getAppToken()) {
6070            return 0;
6071        }
6072        mLastSystemUiFlags = visibility;
6073        mLastFocusNeedsMenu = needsMenu;
6074        mFocusedApp = win.getAppToken();
6075        mHandler.post(new Runnable() {
6076                @Override
6077                public void run() {
6078                    try {
6079                        IStatusBarService statusbar = getStatusBarService();
6080                        if (statusbar != null) {
6081                            statusbar.setSystemUiVisibility(visibility, 0xffffffff, win.toString());
6082                            statusbar.topAppWindowChanged(needsMenu);
6083                        }
6084                    } catch (RemoteException e) {
6085                        // re-acquire status bar service next time it is needed.
6086                        mStatusBarService = null;
6087                    }
6088                }
6089            });
6090        return diff;
6091    }
6092
6093    private int updateLightStatusBarLw(int vis) {
6094        WindowState statusColorWin = isStatusBarKeyguard() && !mHideLockScreen
6095                ? mStatusBar
6096                : mTopFullscreenOpaqueOrDimmingWindowState;
6097
6098        if (statusColorWin != null) {
6099            if (statusColorWin == mTopFullscreenOpaqueWindowState) {
6100                // If the top fullscreen-or-dimming window is also the top fullscreen, respect
6101                // its light flag.
6102                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6103                vis |= PolicyControl.getSystemUiVisibility(statusColorWin, null)
6104                        & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6105            } else if (statusColorWin != null && statusColorWin.isDimming()) {
6106                // Otherwise if it's dimming, clear the light flag.
6107                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6108            }
6109        }
6110        return vis;
6111    }
6112
6113    private int updateSystemBarsLw(WindowState win, int oldVis, int vis) {
6114        // apply translucent bar vis flags
6115        WindowState transWin = isStatusBarKeyguard() && !mHideLockScreen
6116                ? mStatusBar
6117                : mTopFullscreenOpaqueWindowState;
6118        vis = mStatusBarController.applyTranslucentFlagLw(transWin, vis, oldVis);
6119        vis = mNavigationBarController.applyTranslucentFlagLw(transWin, vis, oldVis);
6120
6121        // prevent status bar interaction from clearing certain flags
6122        boolean statusBarHasFocus = win.getAttrs().type == TYPE_STATUS_BAR;
6123        if (statusBarHasFocus && !isStatusBarKeyguard()) {
6124            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
6125                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
6126                    | View.SYSTEM_UI_FLAG_IMMERSIVE
6127                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
6128                    | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6129            if (mHideLockScreen) {
6130                flags |= View.STATUS_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSLUCENT;
6131            }
6132            vis = (vis & ~flags) | (oldVis & flags);
6133        }
6134
6135        if (!areTranslucentBarsAllowed() && transWin != mStatusBar) {
6136            vis &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSLUCENT
6137                    | View.SYSTEM_UI_TRANSPARENT);
6138        }
6139
6140        // update status bar
6141        boolean immersiveSticky =
6142                (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
6143        boolean hideStatusBarWM =
6144                mTopFullscreenOpaqueWindowState != null &&
6145                (PolicyControl.getWindowFlags(mTopFullscreenOpaqueWindowState, null)
6146                        & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0;
6147        boolean hideStatusBarSysui =
6148                (vis & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
6149        boolean hideNavBarSysui =
6150                (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0;
6151
6152        boolean transientStatusBarAllowed =
6153                mStatusBar != null && (
6154                hideStatusBarWM
6155                || (hideStatusBarSysui && immersiveSticky)
6156                || statusBarHasFocus);
6157
6158        boolean transientNavBarAllowed =
6159                mNavigationBar != null &&
6160                hideNavBarSysui && immersiveSticky;
6161
6162        boolean denyTransientStatus = mStatusBarController.isTransientShowRequested()
6163                && !transientStatusBarAllowed && hideStatusBarSysui;
6164        boolean denyTransientNav = mNavigationBarController.isTransientShowRequested()
6165                && !transientNavBarAllowed;
6166        if (denyTransientStatus || denyTransientNav) {
6167            // clear the clearable flags instead
6168            clearClearableFlagsLw();
6169            vis &= ~View.SYSTEM_UI_CLEARABLE_FLAGS;
6170        }
6171
6172        vis = mStatusBarController.updateVisibilityLw(transientStatusBarAllowed, oldVis, vis);
6173
6174        // update navigation bar
6175        boolean oldImmersiveMode = isImmersiveMode(oldVis);
6176        boolean newImmersiveMode = isImmersiveMode(vis);
6177        if (win != null && oldImmersiveMode != newImmersiveMode) {
6178            final String pkg = win.getOwningPackage();
6179            mImmersiveModeConfirmation.immersiveModeChanged(pkg, newImmersiveMode,
6180                    isUserSetupComplete());
6181        }
6182
6183        vis = mNavigationBarController.updateVisibilityLw(transientNavBarAllowed, oldVis, vis);
6184
6185        return vis;
6186    }
6187
6188    private void clearClearableFlagsLw() {
6189        int newVal = mResettingSystemUiFlags | View.SYSTEM_UI_CLEARABLE_FLAGS;
6190        if (newVal != mResettingSystemUiFlags) {
6191            mResettingSystemUiFlags = newVal;
6192            mWindowManagerFuncs.reevaluateStatusBarVisibility();
6193        }
6194    }
6195
6196    private boolean isImmersiveMode(int vis) {
6197        final int flags = View.SYSTEM_UI_FLAG_IMMERSIVE | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
6198        return mNavigationBar != null
6199                && (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
6200                && (vis & flags) != 0
6201                && canHideNavigationBar();
6202    }
6203
6204    /**
6205     * @return whether the navigation or status bar can be made translucent
6206     *
6207     * This should return true unless touch exploration is not enabled or
6208     * R.boolean.config_enableTranslucentDecor is false.
6209     */
6210    private boolean areTranslucentBarsAllowed() {
6211        return mTranslucentDecorEnabled
6212                && !mAccessibilityManager.isTouchExplorationEnabled();
6213    }
6214
6215    // Use this instead of checking config_showNavigationBar so that it can be consistently
6216    // overridden by qemu.hw.mainkeys in the emulator.
6217    @Override
6218    public boolean hasNavigationBar() {
6219        return mHasNavigationBar;
6220    }
6221
6222    @Override
6223    public void setLastInputMethodWindowLw(WindowState ime, WindowState target) {
6224        mLastInputMethodWindow = ime;
6225        mLastInputMethodTargetWindow = target;
6226    }
6227
6228    @Override
6229    public int getInputMethodWindowVisibleHeightLw() {
6230        return mDockBottom - mCurBottom;
6231    }
6232
6233    @Override
6234    public void setCurrentUserLw(int newUserId) {
6235        mCurrentUserId = newUserId;
6236        if (mKeyguardDelegate != null) {
6237            mKeyguardDelegate.setCurrentUser(newUserId);
6238        }
6239        if (mStatusBarService != null) {
6240            try {
6241                mStatusBarService.setCurrentUser(newUserId);
6242            } catch (RemoteException e) {
6243                // oh well
6244            }
6245        }
6246        setLastInputMethodWindowLw(null, null);
6247    }
6248
6249    @Override
6250    public boolean canMagnifyWindow(int windowType) {
6251        switch (windowType) {
6252            case WindowManager.LayoutParams.TYPE_INPUT_METHOD:
6253            case WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG:
6254            case WindowManager.LayoutParams.TYPE_NAVIGATION_BAR:
6255            case WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY: {
6256                return false;
6257            }
6258        }
6259        return true;
6260    }
6261
6262    @Override
6263    public boolean isTopLevelWindow(int windowType) {
6264        if (windowType >= WindowManager.LayoutParams.FIRST_SUB_WINDOW
6265                && windowType <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
6266            return (windowType == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG);
6267        }
6268        return true;
6269    }
6270
6271    @Override
6272    public void dump(String prefix, PrintWriter pw, String[] args) {
6273        pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
6274                pw.print(" mSystemReady="); pw.print(mSystemReady);
6275                pw.print(" mSystemBooted="); pw.println(mSystemBooted);
6276        pw.print(prefix); pw.print("mLidState="); pw.print(mLidState);
6277                pw.print(" mLidOpenRotation="); pw.print(mLidOpenRotation);
6278                pw.print(" mCameraLensCoverState="); pw.print(mCameraLensCoverState);
6279                pw.print(" mHdmiPlugged="); pw.println(mHdmiPlugged);
6280        if (mLastSystemUiFlags != 0 || mResettingSystemUiFlags != 0
6281                || mForceClearedSystemUiFlags != 0) {
6282            pw.print(prefix); pw.print("mLastSystemUiFlags=0x");
6283                    pw.print(Integer.toHexString(mLastSystemUiFlags));
6284                    pw.print(" mResettingSystemUiFlags=0x");
6285                    pw.print(Integer.toHexString(mResettingSystemUiFlags));
6286                    pw.print(" mForceClearedSystemUiFlags=0x");
6287                    pw.println(Integer.toHexString(mForceClearedSystemUiFlags));
6288        }
6289        if (mLastFocusNeedsMenu) {
6290            pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
6291                    pw.println(mLastFocusNeedsMenu);
6292        }
6293        pw.print(prefix); pw.print("mWakeGestureEnabledSetting=");
6294                pw.println(mWakeGestureEnabledSetting);
6295
6296        pw.print(prefix); pw.print("mSupportAutoRotation="); pw.println(mSupportAutoRotation);
6297        pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
6298                pw.print(" mDockMode="); pw.print(mDockMode);
6299                pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
6300                pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
6301        pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);
6302                pw.print(" mUserRotation="); pw.print(mUserRotation);
6303                pw.print(" mAllowAllRotations="); pw.println(mAllowAllRotations);
6304        pw.print(prefix); pw.print("mCurrentAppOrientation="); pw.println(mCurrentAppOrientation);
6305        pw.print(prefix); pw.print("mCarDockEnablesAccelerometer=");
6306                pw.print(mCarDockEnablesAccelerometer);
6307                pw.print(" mDeskDockEnablesAccelerometer=");
6308                pw.println(mDeskDockEnablesAccelerometer);
6309        pw.print(prefix); pw.print("mLidKeyboardAccessibility=");
6310                pw.print(mLidKeyboardAccessibility);
6311                pw.print(" mLidNavigationAccessibility="); pw.print(mLidNavigationAccessibility);
6312                pw.print(" mLidControlsSleep="); pw.println(mLidControlsSleep);
6313        pw.print(prefix);
6314                pw.print("mShortPressOnPowerBehavior="); pw.print(mShortPressOnPowerBehavior);
6315                pw.print(" mLongPressOnPowerBehavior="); pw.println(mLongPressOnPowerBehavior);
6316        pw.print(prefix);
6317                pw.print("mDoublePressOnPowerBehavior="); pw.print(mDoublePressOnPowerBehavior);
6318                pw.print(" mTriplePressOnPowerBehavior="); pw.println(mTriplePressOnPowerBehavior);
6319        pw.print(prefix); pw.print("mHasSoftInput="); pw.println(mHasSoftInput);
6320        pw.print(prefix); pw.print("mAwake="); pw.println(mAwake);
6321        pw.print(prefix); pw.print("mScreenOnEarly="); pw.print(mScreenOnEarly);
6322                pw.print(" mScreenOnFully="); pw.println(mScreenOnFully);
6323        pw.print(prefix); pw.print("mKeyguardDrawComplete="); pw.print(mKeyguardDrawComplete);
6324                pw.print(" mWindowManagerDrawComplete="); pw.println(mWindowManagerDrawComplete);
6325        pw.print(prefix); pw.print("mOrientationSensorEnabled=");
6326                pw.println(mOrientationSensorEnabled);
6327        pw.print(prefix); pw.print("mOverscanScreen=("); pw.print(mOverscanScreenLeft);
6328                pw.print(","); pw.print(mOverscanScreenTop);
6329                pw.print(") "); pw.print(mOverscanScreenWidth);
6330                pw.print("x"); pw.println(mOverscanScreenHeight);
6331        if (mOverscanLeft != 0 || mOverscanTop != 0
6332                || mOverscanRight != 0 || mOverscanBottom != 0) {
6333            pw.print(prefix); pw.print("mOverscan left="); pw.print(mOverscanLeft);
6334                    pw.print(" top="); pw.print(mOverscanTop);
6335                    pw.print(" right="); pw.print(mOverscanRight);
6336                    pw.print(" bottom="); pw.println(mOverscanBottom);
6337        }
6338        pw.print(prefix); pw.print("mRestrictedOverscanScreen=(");
6339                pw.print(mRestrictedOverscanScreenLeft);
6340                pw.print(","); pw.print(mRestrictedOverscanScreenTop);
6341                pw.print(") "); pw.print(mRestrictedOverscanScreenWidth);
6342                pw.print("x"); pw.println(mRestrictedOverscanScreenHeight);
6343        pw.print(prefix); pw.print("mUnrestrictedScreen=("); pw.print(mUnrestrictedScreenLeft);
6344                pw.print(","); pw.print(mUnrestrictedScreenTop);
6345                pw.print(") "); pw.print(mUnrestrictedScreenWidth);
6346                pw.print("x"); pw.println(mUnrestrictedScreenHeight);
6347        pw.print(prefix); pw.print("mRestrictedScreen=("); pw.print(mRestrictedScreenLeft);
6348                pw.print(","); pw.print(mRestrictedScreenTop);
6349                pw.print(") "); pw.print(mRestrictedScreenWidth);
6350                pw.print("x"); pw.println(mRestrictedScreenHeight);
6351        pw.print(prefix); pw.print("mStableFullscreen=("); pw.print(mStableFullscreenLeft);
6352                pw.print(","); pw.print(mStableFullscreenTop);
6353                pw.print(")-("); pw.print(mStableFullscreenRight);
6354                pw.print(","); pw.print(mStableFullscreenBottom); pw.println(")");
6355        pw.print(prefix); pw.print("mStable=("); pw.print(mStableLeft);
6356                pw.print(","); pw.print(mStableTop);
6357                pw.print(")-("); pw.print(mStableRight);
6358                pw.print(","); pw.print(mStableBottom); pw.println(")");
6359        pw.print(prefix); pw.print("mSystem=("); pw.print(mSystemLeft);
6360                pw.print(","); pw.print(mSystemTop);
6361                pw.print(")-("); pw.print(mSystemRight);
6362                pw.print(","); pw.print(mSystemBottom); pw.println(")");
6363        pw.print(prefix); pw.print("mCur=("); pw.print(mCurLeft);
6364                pw.print(","); pw.print(mCurTop);
6365                pw.print(")-("); pw.print(mCurRight);
6366                pw.print(","); pw.print(mCurBottom); pw.println(")");
6367        pw.print(prefix); pw.print("mContent=("); pw.print(mContentLeft);
6368                pw.print(","); pw.print(mContentTop);
6369                pw.print(")-("); pw.print(mContentRight);
6370                pw.print(","); pw.print(mContentBottom); pw.println(")");
6371        pw.print(prefix); pw.print("mVoiceContent=("); pw.print(mVoiceContentLeft);
6372                pw.print(","); pw.print(mVoiceContentTop);
6373                pw.print(")-("); pw.print(mVoiceContentRight);
6374                pw.print(","); pw.print(mVoiceContentBottom); pw.println(")");
6375        pw.print(prefix); pw.print("mDock=("); pw.print(mDockLeft);
6376                pw.print(","); pw.print(mDockTop);
6377                pw.print(")-("); pw.print(mDockRight);
6378                pw.print(","); pw.print(mDockBottom); pw.println(")");
6379        pw.print(prefix); pw.print("mDockLayer="); pw.print(mDockLayer);
6380                pw.print(" mStatusBarLayer="); pw.println(mStatusBarLayer);
6381        pw.print(prefix); pw.print("mShowingLockscreen="); pw.print(mShowingLockscreen);
6382                pw.print(" mShowingDream="); pw.print(mShowingDream);
6383                pw.print(" mDreamingLockscreen="); pw.println(mDreamingLockscreen);
6384        if (mLastInputMethodWindow != null) {
6385            pw.print(prefix); pw.print("mLastInputMethodWindow=");
6386                    pw.println(mLastInputMethodWindow);
6387        }
6388        if (mLastInputMethodTargetWindow != null) {
6389            pw.print(prefix); pw.print("mLastInputMethodTargetWindow=");
6390                    pw.println(mLastInputMethodTargetWindow);
6391        }
6392        if (mStatusBar != null) {
6393            pw.print(prefix); pw.print("mStatusBar=");
6394                    pw.print(mStatusBar); pw.print(" isStatusBarKeyguard=");
6395                    pw.println(isStatusBarKeyguard());
6396        }
6397        if (mNavigationBar != null) {
6398            pw.print(prefix); pw.print("mNavigationBar=");
6399                    pw.println(mNavigationBar);
6400        }
6401        if (mFocusedWindow != null) {
6402            pw.print(prefix); pw.print("mFocusedWindow=");
6403                    pw.println(mFocusedWindow);
6404        }
6405        if (mFocusedApp != null) {
6406            pw.print(prefix); pw.print("mFocusedApp=");
6407                    pw.println(mFocusedApp);
6408        }
6409        if (mWinDismissingKeyguard != null) {
6410            pw.print(prefix); pw.print("mWinDismissingKeyguard=");
6411                    pw.println(mWinDismissingKeyguard);
6412        }
6413        if (mTopFullscreenOpaqueWindowState != null) {
6414            pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
6415                    pw.println(mTopFullscreenOpaqueWindowState);
6416        }
6417        if (mTopFullscreenOpaqueOrDimmingWindowState != null) {
6418            pw.print(prefix); pw.print("mTopFullscreenOpaqueOrDimmingWindowState=");
6419                    pw.println(mTopFullscreenOpaqueOrDimmingWindowState);
6420        }
6421        if (mForcingShowNavBar) {
6422            pw.print(prefix); pw.print("mForcingShowNavBar=");
6423                    pw.println(mForcingShowNavBar); pw.print( "mForcingShowNavBarLayer=");
6424                    pw.println(mForcingShowNavBarLayer);
6425        }
6426        pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
6427                pw.print(" mHideLockScreen="); pw.println(mHideLockScreen);
6428        pw.print(prefix); pw.print("mForceStatusBar="); pw.print(mForceStatusBar);
6429                pw.print(" mForceStatusBarFromKeyguard=");
6430                pw.println(mForceStatusBarFromKeyguard);
6431        pw.print(prefix); pw.print("mDismissKeyguard="); pw.print(mDismissKeyguard);
6432                pw.print(" mWinDismissingKeyguard="); pw.print(mWinDismissingKeyguard);
6433                pw.print(" mHomePressed="); pw.println(mHomePressed);
6434        pw.print(prefix); pw.print("mAllowLockscreenWhenOn="); pw.print(mAllowLockscreenWhenOn);
6435                pw.print(" mLockScreenTimeout="); pw.print(mLockScreenTimeout);
6436                pw.print(" mLockScreenTimerActive="); pw.println(mLockScreenTimerActive);
6437        pw.print(prefix); pw.print("mEndcallBehavior="); pw.print(mEndcallBehavior);
6438                pw.print(" mIncallPowerBehavior="); pw.print(mIncallPowerBehavior);
6439                pw.print(" mLongPressOnHomeBehavior="); pw.println(mLongPressOnHomeBehavior);
6440        pw.print(prefix); pw.print("mLandscapeRotation="); pw.print(mLandscapeRotation);
6441                pw.print(" mSeascapeRotation="); pw.println(mSeascapeRotation);
6442        pw.print(prefix); pw.print("mPortraitRotation="); pw.print(mPortraitRotation);
6443                pw.print(" mUpsideDownRotation="); pw.println(mUpsideDownRotation);
6444        pw.print(prefix); pw.print("mDemoHdmiRotation="); pw.print(mDemoHdmiRotation);
6445                pw.print(" mDemoHdmiRotationLock="); pw.println(mDemoHdmiRotationLock);
6446        pw.print(prefix); pw.print("mUndockedHdmiRotation="); pw.println(mUndockedHdmiRotation);
6447
6448        mGlobalKeyManager.dump(prefix, pw);
6449        mStatusBarController.dump(pw, prefix);
6450        mNavigationBarController.dump(pw, prefix);
6451        PolicyControl.dump(prefix, pw);
6452
6453        if (mWakeGestureListener != null) {
6454            mWakeGestureListener.dump(pw, prefix);
6455        }
6456        if (mOrientationListener != null) {
6457            mOrientationListener.dump(pw, prefix);
6458        }
6459        if (mBurnInProtectionHelper != null) {
6460            mBurnInProtectionHelper.dump(prefix, pw);
6461        }
6462    }
6463}
6464