PhoneWindowManager.java revision ae6688b09649447e57468b3e7935691bc09ec9b9 
1/*
2 *
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *      http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16package com.android.server.policy;
17
18import android.app.ActivityManager;
19import android.app.ActivityManagerNative;
20import android.app.AppOpsManager;
21import android.app.IUiModeManager;
22import android.app.ProgressDialog;
23import android.app.SearchManager;
24import android.app.StatusBarManager;
25import android.app.UiModeManager;
26import android.content.ActivityNotFoundException;
27import android.content.BroadcastReceiver;
28import android.content.ComponentName;
29import android.content.ContentResolver;
30import android.content.Context;
31import android.content.Intent;
32import android.content.IntentFilter;
33import android.content.ServiceConnection;
34import android.content.pm.ActivityInfo;
35import android.content.pm.PackageManager;
36import android.content.pm.ResolveInfo;
37import android.content.res.CompatibilityInfo;
38import android.content.res.Configuration;
39import android.content.res.Resources;
40import android.content.res.TypedArray;
41import android.database.ContentObserver;
42import android.graphics.PixelFormat;
43import android.graphics.Rect;
44import android.media.AudioAttributes;
45import android.media.AudioManager;
46import android.media.AudioSystem;
47import android.media.IAudioService;
48import android.media.Ringtone;
49import android.media.RingtoneManager;
50import android.media.session.MediaSessionLegacyHelper;
51import android.os.Bundle;
52import android.os.Debug;
53import android.os.FactoryTest;
54import android.os.Handler;
55import android.os.IBinder;
56import android.os.Looper;
57import android.os.Message;
58import android.os.Messenger;
59import android.os.PowerManager;
60import android.os.RemoteException;
61import android.os.ServiceManager;
62import android.os.SystemClock;
63import android.os.SystemProperties;
64import android.os.UEventObserver;
65import android.os.UserHandle;
66import android.os.Vibrator;
67import android.provider.MediaStore;
68import android.provider.Settings;
69import android.service.dreams.DreamManagerInternal;
70import android.service.dreams.DreamService;
71import android.service.dreams.IDreamManager;
72import android.speech.RecognizerIntent;
73import android.telecom.TelecomManager;
74import android.util.DisplayMetrics;
75import android.util.EventLog;
76import android.util.Log;
77import android.util.Slog;
78import android.util.SparseArray;
79import android.view.Display;
80import android.view.Gravity;
81import android.view.HapticFeedbackConstants;
82import android.view.IApplicationToken;
83import android.view.IWindowManager;
84import android.view.InputChannel;
85import android.view.InputDevice;
86import android.view.InputEvent;
87import android.view.InputEventReceiver;
88import android.view.KeyCharacterMap;
89import android.view.KeyCharacterMap.FallbackAction;
90import android.view.KeyEvent;
91import android.view.MotionEvent;
92import android.view.PhoneWindow;
93import android.view.Surface;
94import android.view.View;
95import android.view.ViewConfiguration;
96import android.view.Window;
97import android.view.WindowManager;
98import android.view.WindowManagerGlobal;
99import android.view.WindowManagerInternal;
100import android.view.WindowManagerPolicy;
101import android.view.accessibility.AccessibilityEvent;
102import android.view.accessibility.AccessibilityManager;
103import android.view.animation.Animation;
104import android.view.animation.AnimationSet;
105import android.view.animation.AnimationUtils;
106
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
257    // Vibrator pattern for haptic feedback of a long press.
258    long[] mLongPressVibePattern;
259
260    // Vibrator pattern for haptic feedback of virtual key press.
261    long[] mVirtualKeyVibePattern;
262
263    // Vibrator pattern for a short vibration.
264    long[] mKeyboardTapVibePattern;
265
266    // Vibrator pattern for a short vibration when tapping on an hour/minute tick of a Clock.
267    long[] mClockTickVibePattern;
268
269    // Vibrator pattern for a short vibration when tapping on a day/month/year date of a Calendar.
270    long[] mCalendarDateVibePattern;
271
272    // Vibrator pattern for haptic feedback during boot when safe mode is disabled.
273    long[] mSafeModeDisabledVibePattern;
274
275    // Vibrator pattern for haptic feedback during boot when safe mode is enabled.
276    long[] mSafeModeEnabledVibePattern;
277
278    /** If true, hitting shift & menu will broadcast Intent.ACTION_BUG_REPORT */
279    boolean mEnableShiftMenuBugReports = false;
280
281    boolean mSafeMode;
282    WindowState mStatusBar = null;
283    int mStatusBarHeight;
284    WindowState mNavigationBar = null;
285    boolean mHasNavigationBar = false;
286    boolean mCanHideNavigationBar = false;
287    boolean mNavigationBarCanMove = false; // can the navigation bar ever move to the side?
288    boolean mNavigationBarOnBottom = true; // is the navigation bar on the bottom *right now*?
289    int[] mNavigationBarHeightForRotation = new int[4];
290    int[] mNavigationBarWidthForRotation = new int[4];
291
292    boolean mBootMessageNeedsHiding;
293    KeyguardServiceDelegate mKeyguardDelegate;
294    final Runnable mWindowManagerDrawCallback = new Runnable() {
295        @Override
296        public void run() {
297            if (DEBUG_WAKEUP) Slog.i(TAG, "All windows ready for display!");
298            mHandler.sendEmptyMessage(MSG_WINDOW_MANAGER_DRAWN_COMPLETE);
299        }
300    };
301    final ShowListener mKeyguardDelegateCallback = new ShowListener() {
302        @Override
303        public void onShown(IBinder windowToken) {
304            if (DEBUG_WAKEUP) Slog.d(TAG, "mKeyguardDelegate.ShowListener.onShown.");
305            mHandler.sendEmptyMessage(MSG_KEYGUARD_DRAWN_COMPLETE);
306        }
307    };
308
309    GlobalActions mGlobalActions;
310    Handler mHandler;
311    WindowState mLastInputMethodWindow = null;
312    WindowState mLastInputMethodTargetWindow = null;
313
314    // FIXME This state is shared between the input reader and handler thread.
315    // Technically it's broken and buggy but it has been like this for many years
316    // and we have not yet seen any problems.  Someday we'll rewrite this logic
317    // so that only one thread is involved in handling input policy.  Unfortunately
318    // it's on a critical path for power management so we can't just post the work to the
319    // handler thread.  We'll need to resolve this someday by teaching the input dispatcher
320    // to hold wakelocks during dispatch and eliminating the critical path.
321    volatile boolean mPowerKeyHandled;
322    volatile boolean mBeganFromNonInteractive;
323    volatile int mPowerKeyPressCounter;
324    volatile boolean mEndCallKeyHandled;
325
326    boolean mRecentsVisible;
327    int mRecentAppsHeldModifiers;
328    boolean mLanguageSwitchKeyPressed;
329
330    int mLidState = LID_ABSENT;
331    int mCameraLensCoverState = CAMERA_LENS_COVER_ABSENT;
332    boolean mHaveBuiltInKeyboard;
333
334    boolean mSystemReady;
335    boolean mSystemBooted;
336    boolean mHdmiPlugged;
337    IUiModeManager mUiModeManager;
338    int mUiMode;
339    int mDockMode = Intent.EXTRA_DOCK_STATE_UNDOCKED;
340    int mLidOpenRotation;
341    int mCarDockRotation;
342    int mDeskDockRotation;
343    int mUndockedHdmiRotation;
344    int mDemoHdmiRotation;
345    boolean mDemoHdmiRotationLock;
346    int mDemoRotation;
347    boolean mDemoRotationLock;
348
349    boolean mWakeGestureEnabledSetting;
350    MyWakeGestureListener mWakeGestureListener;
351
352    // Default display does not rotate, apps that require non-default orientation will have to
353    // have the orientation emulated.
354    private boolean mForceDefaultOrientation = false;
355
356    int mUserRotationMode = WindowManagerPolicy.USER_ROTATION_FREE;
357    int mUserRotation = Surface.ROTATION_0;
358    boolean mAccelerometerDefault;
359
360    boolean mSupportAutoRotation;
361    int mAllowAllRotations = -1;
362    boolean mCarDockEnablesAccelerometer;
363    boolean mDeskDockEnablesAccelerometer;
364    int mLidKeyboardAccessibility;
365    int mLidNavigationAccessibility;
366    boolean mLidControlsSleep;
367    int mShortPressOnPowerBehavior;
368    int mLongPressOnPowerBehavior;
369    int mDoublePressOnPowerBehavior;
370    int mTriplePressOnPowerBehavior;
371    boolean mAwake;
372    boolean mScreenOnEarly;
373    boolean mScreenOnFully;
374    ScreenOnListener mScreenOnListener;
375    boolean mKeyguardDrawComplete;
376    boolean mWindowManagerDrawComplete;
377    boolean mOrientationSensorEnabled = false;
378    int mCurrentAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
379    boolean mHasSoftInput = false;
380    boolean mTranslucentDecorEnabled = true;
381    boolean mUseTvRouting;
382    boolean mUseMasterVolume;
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    HashSet<IApplicationToken> mAppsToBeHidden = new HashSet<IApplicationToken>();
461    HashSet<IApplicationToken> mAppsThatDismissKeyguard = new HashSet<IApplicationToken>();
462    boolean mTopIsFullscreen;
463    boolean mForceStatusBar;
464    boolean mForceStatusBarFromKeyguard;
465    boolean mHideLockScreen;
466    boolean mForcingShowNavBar;
467    int mForcingShowNavBarLayer;
468
469    // States of keyguard dismiss.
470    private static final int DISMISS_KEYGUARD_NONE = 0; // Keyguard not being dismissed.
471    private static final int DISMISS_KEYGUARD_START = 1; // Keyguard needs to be dismissed.
472    private static final int DISMISS_KEYGUARD_CONTINUE = 2; // Keyguard has been dismissed.
473    int mDismissKeyguard = DISMISS_KEYGUARD_NONE;
474
475    /** The window that is currently dismissing the keyguard. Dismissing the keyguard must only
476     * be done once per window. */
477    private WindowState mWinDismissingKeyguard;
478
479    /** The window that is currently showing "over" the keyguard. If there is an app window
480     * belonging to another app on top of this the keyguard shows. If there is a fullscreen
481     * app window under this, still dismiss the keyguard but don't show the app underneath. Show
482     * the wallpaper. */
483    private WindowState mWinShowWhenLocked;
484
485    boolean mShowingLockscreen;
486    boolean mShowingDream;
487    boolean mDreamingLockscreen;
488    boolean mKeyguardSecure;
489    boolean mKeyguardSecureIncludingHidden;
490    volatile boolean mKeyguardOccluded;
491    boolean mHomePressed;
492    boolean mHomeConsumed;
493    boolean mHomeDoubleTapPending;
494    Intent mHomeIntent;
495    Intent mCarDockIntent;
496    Intent mDeskDockIntent;
497    boolean mSearchKeyShortcutPending;
498    boolean mConsumeSearchKeyUp;
499    boolean mAssistKeyLongPressed;
500    boolean mPendingMetaAction;
501
502    // support for activating the lock screen while the screen is on
503    boolean mAllowLockscreenWhenOn;
504    int mLockScreenTimeout;
505    boolean mLockScreenTimerActive;
506
507    // Behavior of ENDCALL Button.  (See Settings.System.END_BUTTON_BEHAVIOR.)
508    int mEndcallBehavior;
509
510    // Behavior of POWER button while in-call and screen on.
511    // (See Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR.)
512    int mIncallPowerBehavior;
513
514    Display mDisplay;
515
516    int mLandscapeRotation = 0;  // default landscape rotation
517    int mSeascapeRotation = 0;   // "other" landscape rotation, 180 degrees from mLandscapeRotation
518    int mPortraitRotation = 0;   // default portrait rotation
519    int mUpsideDownRotation = 0; // "other" portrait rotation
520
521    int mOverscanLeft = 0;
522    int mOverscanTop = 0;
523    int mOverscanRight = 0;
524    int mOverscanBottom = 0;
525
526    // What we do when the user long presses on home
527    private int mLongPressOnHomeBehavior;
528
529    // What we do when the user double-taps on home
530    private int mDoubleTapOnHomeBehavior;
531
532    // Allowed theater mode wake actions
533    private boolean mAllowTheaterModeWakeFromKey;
534    private boolean mAllowTheaterModeWakeFromPowerKey;
535    private boolean mAllowTheaterModeWakeFromMotion;
536    private boolean mAllowTheaterModeWakeFromMotionWhenNotDreaming;
537    private boolean mAllowTheaterModeWakeFromCameraLens;
538    private boolean mAllowTheaterModeWakeFromLidSwitch;
539    private boolean mAllowTheaterModeWakeFromWakeGesture;
540
541    // Whether to go to sleep entering theater mode from power button
542    private boolean mGoToSleepOnButtonPressTheaterMode;
543
544    // Screenshot trigger states
545    // Time to volume and power must be pressed within this interval of each other.
546    private static final long SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS = 150;
547    // Increase the chord delay when taking a screenshot from the keyguard
548    private static final float KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER = 2.5f;
549    private boolean mScreenshotChordEnabled;
550    private boolean mScreenshotChordVolumeDownKeyTriggered;
551    private long mScreenshotChordVolumeDownKeyTime;
552    private boolean mScreenshotChordVolumeDownKeyConsumed;
553    private boolean mScreenshotChordVolumeUpKeyTriggered;
554    private boolean mScreenshotChordPowerKeyTriggered;
555    private long mScreenshotChordPowerKeyTime;
556
557    /* The number of steps between min and max brightness */
558    private static final int BRIGHTNESS_STEPS = 10;
559
560    SettingsObserver mSettingsObserver;
561    ShortcutManager mShortcutManager;
562    PowerManager.WakeLock mBroadcastWakeLock;
563    PowerManager.WakeLock mPowerKeyWakeLock;
564    boolean mHavePendingMediaKeyRepeatWithWakeLock;
565
566    private int mCurrentUserId;
567
568    // Maps global key codes to the components that will handle them.
569    private GlobalKeyManager mGlobalKeyManager;
570
571    // Fallback actions by key code.
572    private final SparseArray<KeyCharacterMap.FallbackAction> mFallbackActions =
573            new SparseArray<KeyCharacterMap.FallbackAction>();
574
575    private final LogDecelerateInterpolator mLogDecelerateInterpolator
576            = new LogDecelerateInterpolator(100, 0);
577
578    private static final int MSG_ENABLE_POINTER_LOCATION = 1;
579    private static final int MSG_DISABLE_POINTER_LOCATION = 2;
580    private static final int MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK = 3;
581    private static final int MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK = 4;
582    private static final int MSG_KEYGUARD_DRAWN_COMPLETE = 5;
583    private static final int MSG_KEYGUARD_DRAWN_TIMEOUT = 6;
584    private static final int MSG_WINDOW_MANAGER_DRAWN_COMPLETE = 7;
585    private static final int MSG_DISPATCH_SHOW_RECENTS = 9;
586    private static final int MSG_DISPATCH_SHOW_GLOBAL_ACTIONS = 10;
587    private static final int MSG_HIDE_BOOT_MESSAGE = 11;
588    private static final int MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK = 12;
589    private static final int MSG_POWER_DELAYED_PRESS = 13;
590    private static final int MSG_POWER_LONG_PRESS = 14;
591
592    private class PolicyHandler extends Handler {
593        @Override
594        public void handleMessage(Message msg) {
595            switch (msg.what) {
596                case MSG_ENABLE_POINTER_LOCATION:
597                    enablePointerLocation();
598                    break;
599                case MSG_DISABLE_POINTER_LOCATION:
600                    disablePointerLocation();
601                    break;
602                case MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK:
603                    dispatchMediaKeyWithWakeLock((KeyEvent)msg.obj);
604                    break;
605                case MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK:
606                    dispatchMediaKeyRepeatWithWakeLock((KeyEvent)msg.obj);
607                    break;
608                case MSG_DISPATCH_SHOW_RECENTS:
609                    showRecentApps(false);
610                    break;
611                case MSG_DISPATCH_SHOW_GLOBAL_ACTIONS:
612                    showGlobalActionsInternal();
613                    break;
614                case MSG_KEYGUARD_DRAWN_COMPLETE:
615                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mKeyguardDrawComplete");
616                    finishKeyguardDrawn();
617                    break;
618                case MSG_KEYGUARD_DRAWN_TIMEOUT:
619                    Slog.w(TAG, "Keyguard drawn timeout. Setting mKeyguardDrawComplete");
620                    finishKeyguardDrawn();
621                    break;
622                case MSG_WINDOW_MANAGER_DRAWN_COMPLETE:
623                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mWindowManagerDrawComplete");
624                    finishWindowsDrawn();
625                    break;
626                case MSG_HIDE_BOOT_MESSAGE:
627                    handleHideBootMessage();
628                    break;
629                case MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK:
630                    launchVoiceAssistWithWakeLock(msg.arg1 != 0);
631                    break;
632                case MSG_POWER_DELAYED_PRESS:
633                    powerPress((Long)msg.obj, msg.arg1 != 0, msg.arg2);
634                    finishPowerKeyPress();
635                    break;
636                case MSG_POWER_LONG_PRESS:
637                    powerLongPress();
638                    break;
639            }
640        }
641    }
642
643    private UEventObserver mHDMIObserver = new UEventObserver() {
644        @Override
645        public void onUEvent(UEventObserver.UEvent event) {
646            setHdmiPlugged("1".equals(event.get("SWITCH_STATE")));
647        }
648    };
649
650    class SettingsObserver extends ContentObserver {
651        SettingsObserver(Handler handler) {
652            super(handler);
653        }
654
655        void observe() {
656            // Observe all users' changes
657            ContentResolver resolver = mContext.getContentResolver();
658            resolver.registerContentObserver(Settings.System.getUriFor(
659                    Settings.System.END_BUTTON_BEHAVIOR), false, this,
660                    UserHandle.USER_ALL);
661            resolver.registerContentObserver(Settings.Secure.getUriFor(
662                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR), false, this,
663                    UserHandle.USER_ALL);
664            resolver.registerContentObserver(Settings.Secure.getUriFor(
665                    Settings.Secure.WAKE_GESTURE_ENABLED), false, this,
666                    UserHandle.USER_ALL);
667            resolver.registerContentObserver(Settings.System.getUriFor(
668                    Settings.System.ACCELEROMETER_ROTATION), false, this,
669                    UserHandle.USER_ALL);
670            resolver.registerContentObserver(Settings.System.getUriFor(
671                    Settings.System.USER_ROTATION), false, this,
672                    UserHandle.USER_ALL);
673            resolver.registerContentObserver(Settings.System.getUriFor(
674                    Settings.System.SCREEN_OFF_TIMEOUT), false, this,
675                    UserHandle.USER_ALL);
676            resolver.registerContentObserver(Settings.System.getUriFor(
677                    Settings.System.POINTER_LOCATION), false, this,
678                    UserHandle.USER_ALL);
679            resolver.registerContentObserver(Settings.Secure.getUriFor(
680                    Settings.Secure.DEFAULT_INPUT_METHOD), false, this,
681                    UserHandle.USER_ALL);
682            resolver.registerContentObserver(Settings.Secure.getUriFor(
683                    Settings.Secure.IMMERSIVE_MODE_CONFIRMATIONS), false, this,
684                    UserHandle.USER_ALL);
685            resolver.registerContentObserver(Settings.Global.getUriFor(
686                    Settings.Global.POLICY_CONTROL), false, this,
687                    UserHandle.USER_ALL);
688            updateSettings();
689        }
690
691        @Override public void onChange(boolean selfChange) {
692            updateSettings();
693            updateRotation(false);
694        }
695    }
696
697    class MyWakeGestureListener extends WakeGestureListener {
698        MyWakeGestureListener(Context context, Handler handler) {
699            super(context, handler);
700        }
701
702        @Override
703        public void onWakeUp() {
704            synchronized (mLock) {
705                if (shouldEnableWakeGestureLp()) {
706                    performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
707                    wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromWakeGesture);
708                }
709            }
710        }
711    }
712
713    class MyOrientationListener extends WindowOrientationListener {
714        MyOrientationListener(Context context, Handler handler) {
715            super(context, handler);
716        }
717
718        @Override
719        public void onProposedRotationChanged(int rotation) {
720            if (localLOGV) Slog.v(TAG, "onProposedRotationChanged, rotation=" + rotation);
721            updateRotation(false);
722        }
723    }
724    MyOrientationListener mOrientationListener;
725
726    private final BarController mStatusBarController = new BarController("StatusBar",
727            View.STATUS_BAR_TRANSIENT,
728            View.STATUS_BAR_UNHIDE,
729            View.STATUS_BAR_TRANSLUCENT,
730            StatusBarManager.WINDOW_STATUS_BAR,
731            WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
732
733    private final BarController mNavigationBarController = new BarController("NavigationBar",
734            View.NAVIGATION_BAR_TRANSIENT,
735            View.NAVIGATION_BAR_UNHIDE,
736            View.NAVIGATION_BAR_TRANSLUCENT,
737            StatusBarManager.WINDOW_NAVIGATION_BAR,
738            WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
739
740    private ImmersiveModeConfirmation mImmersiveModeConfirmation;
741
742    private SystemGesturesPointerEventListener mSystemGestures;
743
744    IStatusBarService getStatusBarService() {
745        synchronized (mServiceAquireLock) {
746            if (mStatusBarService == null) {
747                mStatusBarService = IStatusBarService.Stub.asInterface(
748                        ServiceManager.getService("statusbar"));
749            }
750            return mStatusBarService;
751        }
752    }
753
754    /*
755     * We always let the sensor be switched on by default except when
756     * the user has explicitly disabled sensor based rotation or when the
757     * screen is switched off.
758     */
759    boolean needSensorRunningLp() {
760        if (mSupportAutoRotation) {
761            if (mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
762                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
763                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT
764                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE) {
765                // If the application has explicitly requested to follow the
766                // orientation, then we need to turn the sensor on.
767                return true;
768            }
769        }
770        if ((mCarDockEnablesAccelerometer && mDockMode == Intent.EXTRA_DOCK_STATE_CAR) ||
771                (mDeskDockEnablesAccelerometer && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
772                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
773                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK))) {
774            // enable accelerometer if we are docked in a dock that enables accelerometer
775            // orientation management,
776            return true;
777        }
778        if (mUserRotationMode == USER_ROTATION_LOCKED) {
779            // If the setting for using the sensor by default is enabled, then
780            // we will always leave it on.  Note that the user could go to
781            // a window that forces an orientation that does not use the
782            // sensor and in theory we could turn it off... however, when next
783            // turning it on we won't have a good value for the current
784            // orientation for a little bit, which can cause orientation
785            // changes to lag, so we'd like to keep it always on.  (It will
786            // still be turned off when the screen is off.)
787            return false;
788        }
789        return mSupportAutoRotation;
790    }
791
792    /*
793     * Various use cases for invoking this function
794     * screen turning off, should always disable listeners if already enabled
795     * screen turned on and current app has sensor based orientation, enable listeners
796     * if not already enabled
797     * screen turned on and current app does not have sensor orientation, disable listeners if
798     * already enabled
799     * screen turning on and current app has sensor based orientation, enable listeners if needed
800     * screen turning on and current app has nosensor based orientation, do nothing
801     */
802    void updateOrientationListenerLp() {
803        if (!mOrientationListener.canDetectOrientation()) {
804            // If sensor is turned off or nonexistent for some reason
805            return;
806        }
807        //Could have been invoked due to screen turning on or off or
808        //change of the currently visible window's orientation
809        if (localLOGV) Slog.v(TAG, "mScreenOnEarly=" + mScreenOnEarly
810                + ", mAwake=" + mAwake + ", mCurrentAppOrientation=" + mCurrentAppOrientation
811                + ", mOrientationSensorEnabled=" + mOrientationSensorEnabled);
812        boolean disable = true;
813        if (mScreenOnEarly && mAwake) {
814            if (needSensorRunningLp()) {
815                disable = false;
816                //enable listener if not already enabled
817                if (!mOrientationSensorEnabled) {
818                    mOrientationListener.enable();
819                    if(localLOGV) Slog.v(TAG, "Enabling listeners");
820                    mOrientationSensorEnabled = true;
821                }
822            }
823        }
824        //check if sensors need to be disabled
825        if (disable && mOrientationSensorEnabled) {
826            mOrientationListener.disable();
827            if(localLOGV) Slog.v(TAG, "Disabling listeners");
828            mOrientationSensorEnabled = false;
829        }
830    }
831
832    private void interceptPowerKeyDown(KeyEvent event, boolean interactive) {
833        // Hold a wake lock until the power key is released.
834        if (!mPowerKeyWakeLock.isHeld()) {
835            mPowerKeyWakeLock.acquire();
836        }
837
838        // Cancel multi-press detection timeout.
839        if (mPowerKeyPressCounter != 0) {
840            mHandler.removeMessages(MSG_POWER_DELAYED_PRESS);
841        }
842
843        // Detect user pressing the power button in panic when an application has
844        // taken over the whole screen.
845        boolean panic = mImmersiveModeConfirmation.onPowerKeyDown(interactive,
846                SystemClock.elapsedRealtime(), isImmersiveMode(mLastSystemUiFlags));
847        if (panic) {
848            mHandler.post(mRequestTransientNav);
849        }
850
851        // Latch power key state to detect screenshot chord.
852        if (interactive && !mScreenshotChordPowerKeyTriggered
853                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
854            mScreenshotChordPowerKeyTriggered = true;
855            mScreenshotChordPowerKeyTime = event.getDownTime();
856            interceptScreenshotChord();
857        }
858
859        // Stop ringing or end call if configured to do so when power is pressed.
860        TelecomManager telecomManager = getTelecommService();
861        boolean hungUp = false;
862        if (telecomManager != null) {
863            if (telecomManager.isRinging()) {
864                // Pressing Power while there's a ringing incoming
865                // call should silence the ringer.
866                telecomManager.silenceRinger();
867            } else if ((mIncallPowerBehavior
868                    & Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP) != 0
869                    && telecomManager.isInCall() && interactive) {
870                // Otherwise, if "Power button ends call" is enabled,
871                // the Power button will hang up any current active call.
872                hungUp = telecomManager.endCall();
873            }
874        }
875
876        // If the power key has still not yet been handled, then detect short
877        // press, long press, or multi press and decide what to do.
878        mPowerKeyHandled = hungUp || mScreenshotChordVolumeDownKeyTriggered
879                || mScreenshotChordVolumeUpKeyTriggered;
880        if (!mPowerKeyHandled) {
881            if (interactive) {
882                // When interactive, we're already awake.
883                // Wait for a long press or for the button to be released to decide what to do.
884                if (hasLongPressOnPowerBehavior()) {
885                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
886                    msg.setAsynchronous(true);
887                    mHandler.sendMessageDelayed(msg,
888                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
889                }
890            } else {
891                wakeUpFromPowerKey(event.getDownTime());
892                final int maxCount = getMaxMultiPressPowerCount();
893
894                if (maxCount <= 1) {
895                    mPowerKeyHandled = true;
896                } else {
897                    mBeganFromNonInteractive = true;
898                }
899            }
900        }
901    }
902
903    private void interceptPowerKeyUp(KeyEvent event, boolean interactive, boolean canceled) {
904        final boolean handled = canceled || mPowerKeyHandled;
905        mScreenshotChordPowerKeyTriggered = false;
906        cancelPendingScreenshotChordAction();
907        cancelPendingPowerKeyAction();
908
909        if (!handled) {
910            // Figure out how to handle the key now that it has been released.
911            mPowerKeyPressCounter += 1;
912
913            final int maxCount = getMaxMultiPressPowerCount();
914            final long eventTime = event.getDownTime();
915            if (mPowerKeyPressCounter < maxCount) {
916                // This could be a multi-press.  Wait a little bit longer to confirm.
917                // Continue holding the wake lock.
918                Message msg = mHandler.obtainMessage(MSG_POWER_DELAYED_PRESS,
919                        interactive ? 1 : 0, mPowerKeyPressCounter, eventTime);
920                msg.setAsynchronous(true);
921                mHandler.sendMessageDelayed(msg, ViewConfiguration.getDoubleTapTimeout());
922                return;
923            }
924
925            // No other actions.  Handle it immediately.
926            powerPress(eventTime, interactive, mPowerKeyPressCounter);
927        }
928
929        // Done.  Reset our state.
930        finishPowerKeyPress();
931    }
932
933    private void finishPowerKeyPress() {
934        mBeganFromNonInteractive = false;
935        mPowerKeyPressCounter = 0;
936        if (mPowerKeyWakeLock.isHeld()) {
937            mPowerKeyWakeLock.release();
938        }
939    }
940
941    private void cancelPendingPowerKeyAction() {
942        if (!mPowerKeyHandled) {
943            mPowerKeyHandled = true;
944            mHandler.removeMessages(MSG_POWER_LONG_PRESS);
945        }
946    }
947
948    private void powerPress(long eventTime, boolean interactive, int count) {
949        if (mScreenOnEarly && !mScreenOnFully) {
950            Slog.i(TAG, "Suppressed redundant power key press while "
951                    + "already in the process of turning the screen on.");
952            return;
953        }
954
955        if (count == 2) {
956            powerMultiPressAction(eventTime, interactive, mDoublePressOnPowerBehavior);
957        } else if (count == 3) {
958            powerMultiPressAction(eventTime, interactive, mTriplePressOnPowerBehavior);
959        } else if (interactive && !mBeganFromNonInteractive) {
960            switch (mShortPressOnPowerBehavior) {
961                case SHORT_PRESS_POWER_NOTHING:
962                    break;
963                case SHORT_PRESS_POWER_GO_TO_SLEEP:
964                    mPowerManager.goToSleep(eventTime,
965                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
966                    break;
967                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP:
968                    mPowerManager.goToSleep(eventTime,
969                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
970                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
971                    break;
972                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME:
973                    mPowerManager.goToSleep(eventTime,
974                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
975                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
976                    launchHomeFromHotKey();
977                    break;
978                case SHORT_PRESS_POWER_GO_HOME:
979                    launchHomeFromHotKey();
980                    break;
981            }
982        }
983    }
984
985    private void powerMultiPressAction(long eventTime, boolean interactive, int behavior) {
986        switch (behavior) {
987            case MULTI_PRESS_POWER_NOTHING:
988                break;
989            case MULTI_PRESS_POWER_THEATER_MODE:
990                if (isTheaterModeEnabled()) {
991                    Slog.i(TAG, "Toggling theater mode off.");
992                    Settings.Global.putInt(mContext.getContentResolver(),
993                            Settings.Global.THEATER_MODE_ON, 0);
994                    if (!interactive) {
995                        wakeUpFromPowerKey(eventTime);
996                    }
997                } else {
998                    Slog.i(TAG, "Toggling theater mode on.");
999                    Settings.Global.putInt(mContext.getContentResolver(),
1000                            Settings.Global.THEATER_MODE_ON, 1);
1001
1002                    if (mGoToSleepOnButtonPressTheaterMode && interactive) {
1003                        mPowerManager.goToSleep(eventTime,
1004                                PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1005                    }
1006                }
1007                break;
1008            case MULTI_PRESS_POWER_BRIGHTNESS_BOOST:
1009                Slog.i(TAG, "Starting brightness boost.");
1010                if (!interactive) {
1011                    wakeUpFromPowerKey(eventTime);
1012                }
1013                mPowerManager.boostScreenBrightness(eventTime);
1014                break;
1015        }
1016    }
1017
1018    private int getMaxMultiPressPowerCount() {
1019        if (mTriplePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1020            return 3;
1021        }
1022        if (mDoublePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1023            return 2;
1024        }
1025        return 1;
1026    }
1027
1028    private void powerLongPress() {
1029        final int behavior = getResolvedLongPressOnPowerBehavior();
1030        switch (behavior) {
1031        case LONG_PRESS_POWER_NOTHING:
1032            break;
1033        case LONG_PRESS_POWER_GLOBAL_ACTIONS:
1034            mPowerKeyHandled = true;
1035            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1036                performAuditoryFeedbackForAccessibilityIfNeed();
1037            }
1038            showGlobalActionsInternal();
1039            break;
1040        case LONG_PRESS_POWER_SHUT_OFF:
1041        case LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM:
1042            mPowerKeyHandled = true;
1043            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1044            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1045            mWindowManagerFuncs.shutdown(behavior == LONG_PRESS_POWER_SHUT_OFF);
1046            break;
1047        }
1048    }
1049
1050    private int getResolvedLongPressOnPowerBehavior() {
1051        if (FactoryTest.isLongPressOnPowerOffEnabled()) {
1052            return LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;
1053        }
1054        return mLongPressOnPowerBehavior;
1055    }
1056
1057    private boolean hasLongPressOnPowerBehavior() {
1058        return getResolvedLongPressOnPowerBehavior() != LONG_PRESS_POWER_NOTHING;
1059    }
1060
1061    private void interceptScreenshotChord() {
1062        if (mScreenshotChordEnabled
1063                && mScreenshotChordVolumeDownKeyTriggered && mScreenshotChordPowerKeyTriggered
1064                && !mScreenshotChordVolumeUpKeyTriggered) {
1065            final long now = SystemClock.uptimeMillis();
1066            if (now <= mScreenshotChordVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS
1067                    && now <= mScreenshotChordPowerKeyTime
1068                            + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS) {
1069                mScreenshotChordVolumeDownKeyConsumed = true;
1070                cancelPendingPowerKeyAction();
1071
1072                mHandler.postDelayed(mScreenshotRunnable, getScreenshotChordLongPressDelay());
1073            }
1074        }
1075    }
1076
1077    private long getScreenshotChordLongPressDelay() {
1078        if (mKeyguardDelegate.isShowing()) {
1079            // Double the time it takes to take a screenshot from the keyguard
1080            return (long) (KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER *
1081                    ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1082        }
1083        return ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout();
1084    }
1085
1086    private void cancelPendingScreenshotChordAction() {
1087        mHandler.removeCallbacks(mScreenshotRunnable);
1088    }
1089
1090    private final Runnable mEndCallLongPress = new Runnable() {
1091        @Override
1092        public void run() {
1093            mEndCallKeyHandled = true;
1094            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1095                performAuditoryFeedbackForAccessibilityIfNeed();
1096            }
1097            showGlobalActionsInternal();
1098        }
1099    };
1100
1101    private final Runnable mScreenshotRunnable = new Runnable() {
1102        @Override
1103        public void run() {
1104            takeScreenshot();
1105        }
1106    };
1107
1108    @Override
1109    public void showGlobalActions() {
1110        mHandler.removeMessages(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1111        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1112    }
1113
1114    void showGlobalActionsInternal() {
1115        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1116        if (mGlobalActions == null) {
1117            mGlobalActions = new GlobalActions(mContext, mWindowManagerFuncs);
1118        }
1119        final boolean keyguardShowing = isKeyguardShowingAndNotOccluded();
1120        mGlobalActions.showDialog(keyguardShowing, isDeviceProvisioned());
1121        if (keyguardShowing) {
1122            // since it took two seconds of long press to bring this up,
1123            // poke the wake lock so they have some time to see the dialog.
1124            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
1125        }
1126    }
1127
1128    boolean isDeviceProvisioned() {
1129        return Settings.Global.getInt(
1130                mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0;
1131    }
1132
1133    boolean isUserSetupComplete() {
1134        return Settings.Secure.getIntForUser(mContext.getContentResolver(),
1135                Settings.Secure.USER_SETUP_COMPLETE, 0, UserHandle.USER_CURRENT) != 0;
1136    }
1137
1138    private void handleShortPressOnHome() {
1139        // If there's a dream running then use home to escape the dream
1140        // but don't actually go home.
1141        if (mDreamManagerInternal != null && mDreamManagerInternal.isDreaming()) {
1142            mDreamManagerInternal.stopDream(false /*immediate*/);
1143            return;
1144        }
1145
1146        // Go home!
1147        launchHomeFromHotKey();
1148    }
1149
1150    private void handleLongPressOnHome() {
1151        if (mLongPressOnHomeBehavior != LONG_PRESS_HOME_NOTHING) {
1152            mHomeConsumed = true;
1153            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1154
1155            if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI) {
1156                toggleRecentApps();
1157            } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_ASSIST) {
1158                launchAssistAction();
1159            }
1160        }
1161    }
1162
1163    private void handleDoubleTapOnHome() {
1164        if (mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1165            mHomeConsumed = true;
1166            toggleRecentApps();
1167        }
1168    }
1169
1170    private final Runnable mHomeDoubleTapTimeoutRunnable = new Runnable() {
1171        @Override
1172        public void run() {
1173            if (mHomeDoubleTapPending) {
1174                mHomeDoubleTapPending = false;
1175                handleShortPressOnHome();
1176            }
1177        }
1178    };
1179
1180    /** {@inheritDoc} */
1181    @Override
1182    public void init(Context context, IWindowManager windowManager,
1183            WindowManagerFuncs windowManagerFuncs) {
1184        mContext = context;
1185        mWindowManager = windowManager;
1186        mWindowManagerFuncs = windowManagerFuncs;
1187        mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class);
1188        mDreamManagerInternal = LocalServices.getService(DreamManagerInternal.class);
1189
1190        mHandler = new PolicyHandler();
1191        mWakeGestureListener = new MyWakeGestureListener(mContext, mHandler);
1192        mOrientationListener = new MyOrientationListener(mContext, mHandler);
1193        try {
1194            mOrientationListener.setCurrentRotation(windowManager.getRotation());
1195        } catch (RemoteException ex) { }
1196        mSettingsObserver = new SettingsObserver(mHandler);
1197        mSettingsObserver.observe();
1198        mShortcutManager = new ShortcutManager(context);
1199        mUiMode = context.getResources().getInteger(
1200                com.android.internal.R.integer.config_defaultUiModeType);
1201        mHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
1202        mHomeIntent.addCategory(Intent.CATEGORY_HOME);
1203        mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1204                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1205        mCarDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1206        mCarDockIntent.addCategory(Intent.CATEGORY_CAR_DOCK);
1207        mCarDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1208                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1209        mDeskDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1210        mDeskDockIntent.addCategory(Intent.CATEGORY_DESK_DOCK);
1211        mDeskDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1212                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1213
1214        mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
1215        mBroadcastWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1216                "PhoneWindowManager.mBroadcastWakeLock");
1217        mPowerKeyWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1218                "PhoneWindowManager.mPowerKeyWakeLock");
1219        mEnableShiftMenuBugReports = "1".equals(SystemProperties.get("ro.debuggable"));
1220        mSupportAutoRotation = mContext.getResources().getBoolean(
1221                com.android.internal.R.bool.config_supportAutoRotation);
1222        mLidOpenRotation = readRotation(
1223                com.android.internal.R.integer.config_lidOpenRotation);
1224        mCarDockRotation = readRotation(
1225                com.android.internal.R.integer.config_carDockRotation);
1226        mDeskDockRotation = readRotation(
1227                com.android.internal.R.integer.config_deskDockRotation);
1228        mUndockedHdmiRotation = readRotation(
1229                com.android.internal.R.integer.config_undockedHdmiRotation);
1230        mCarDockEnablesAccelerometer = mContext.getResources().getBoolean(
1231                com.android.internal.R.bool.config_carDockEnablesAccelerometer);
1232        mDeskDockEnablesAccelerometer = mContext.getResources().getBoolean(
1233                com.android.internal.R.bool.config_deskDockEnablesAccelerometer);
1234        mLidKeyboardAccessibility = mContext.getResources().getInteger(
1235                com.android.internal.R.integer.config_lidKeyboardAccessibility);
1236        mLidNavigationAccessibility = mContext.getResources().getInteger(
1237                com.android.internal.R.integer.config_lidNavigationAccessibility);
1238        mLidControlsSleep = mContext.getResources().getBoolean(
1239                com.android.internal.R.bool.config_lidControlsSleep);
1240        mTranslucentDecorEnabled = mContext.getResources().getBoolean(
1241                com.android.internal.R.bool.config_enableTranslucentDecor);
1242
1243        mAllowTheaterModeWakeFromKey = mContext.getResources().getBoolean(
1244                com.android.internal.R.bool.config_allowTheaterModeWakeFromKey);
1245        mAllowTheaterModeWakeFromPowerKey = mAllowTheaterModeWakeFromKey
1246                || mContext.getResources().getBoolean(
1247                    com.android.internal.R.bool.config_allowTheaterModeWakeFromPowerKey);
1248        mAllowTheaterModeWakeFromMotion = mContext.getResources().getBoolean(
1249                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotion);
1250        mAllowTheaterModeWakeFromMotionWhenNotDreaming = mContext.getResources().getBoolean(
1251                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotionWhenNotDreaming);
1252        mAllowTheaterModeWakeFromCameraLens = mContext.getResources().getBoolean(
1253                com.android.internal.R.bool.config_allowTheaterModeWakeFromCameraLens);
1254        mAllowTheaterModeWakeFromLidSwitch = mContext.getResources().getBoolean(
1255                com.android.internal.R.bool.config_allowTheaterModeWakeFromLidSwitch);
1256        mAllowTheaterModeWakeFromWakeGesture = mContext.getResources().getBoolean(
1257                com.android.internal.R.bool.config_allowTheaterModeWakeFromGesture);
1258
1259        mGoToSleepOnButtonPressTheaterMode = mContext.getResources().getBoolean(
1260                com.android.internal.R.bool.config_goToSleepOnButtonPressTheaterMode);
1261
1262        mShortPressOnPowerBehavior = mContext.getResources().getInteger(
1263                com.android.internal.R.integer.config_shortPressOnPowerBehavior);
1264        mLongPressOnPowerBehavior = mContext.getResources().getInteger(
1265                com.android.internal.R.integer.config_longPressOnPowerBehavior);
1266        mDoublePressOnPowerBehavior = mContext.getResources().getInteger(
1267                com.android.internal.R.integer.config_doublePressOnPowerBehavior);
1268        mTriplePressOnPowerBehavior = mContext.getResources().getInteger(
1269                com.android.internal.R.integer.config_triplePressOnPowerBehavior);
1270
1271        mUseTvRouting = AudioSystem.getPlatformType(mContext) == AudioSystem.PLATFORM_TELEVISION;
1272        mUseMasterVolume = mContext.getResources().getBoolean(
1273                com.android.internal.R.bool.config_useMasterVolume);
1274
1275        readConfigurationDependentBehaviors();
1276
1277        mAccessibilityManager = (AccessibilityManager) context.getSystemService(
1278                Context.ACCESSIBILITY_SERVICE);
1279
1280        // register for dock events
1281        IntentFilter filter = new IntentFilter();
1282        filter.addAction(UiModeManager.ACTION_ENTER_CAR_MODE);
1283        filter.addAction(UiModeManager.ACTION_EXIT_CAR_MODE);
1284        filter.addAction(UiModeManager.ACTION_ENTER_DESK_MODE);
1285        filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
1286        filter.addAction(Intent.ACTION_DOCK_EVENT);
1287        Intent intent = context.registerReceiver(mDockReceiver, filter);
1288        if (intent != null) {
1289            // Retrieve current sticky dock event broadcast.
1290            mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
1291                    Intent.EXTRA_DOCK_STATE_UNDOCKED);
1292        }
1293
1294        // register for dream-related broadcasts
1295        filter = new IntentFilter();
1296        filter.addAction(Intent.ACTION_DREAMING_STARTED);
1297        filter.addAction(Intent.ACTION_DREAMING_STOPPED);
1298        context.registerReceiver(mDreamReceiver, filter);
1299
1300        // register for multiuser-relevant broadcasts
1301        filter = new IntentFilter(Intent.ACTION_USER_SWITCHED);
1302        context.registerReceiver(mMultiuserReceiver, filter);
1303
1304        // monitor for system gestures
1305        mSystemGestures = new SystemGesturesPointerEventListener(context,
1306                new SystemGesturesPointerEventListener.Callbacks() {
1307                    @Override
1308                    public void onSwipeFromTop() {
1309                        if (mStatusBar != null) {
1310                            requestTransientBars(mStatusBar);
1311                        }
1312                    }
1313                    @Override
1314                    public void onSwipeFromBottom() {
1315                        if (mNavigationBar != null && mNavigationBarOnBottom) {
1316                            requestTransientBars(mNavigationBar);
1317                        }
1318                    }
1319                    @Override
1320                    public void onSwipeFromRight() {
1321                        if (mNavigationBar != null && !mNavigationBarOnBottom) {
1322                            requestTransientBars(mNavigationBar);
1323                        }
1324                    }
1325                    @Override
1326                    public void onDebug() {
1327                        // no-op
1328                    }
1329                });
1330        mImmersiveModeConfirmation = new ImmersiveModeConfirmation(mContext);
1331        mWindowManagerFuncs.registerPointerEventListener(mSystemGestures);
1332
1333        mVibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE);
1334        mLongPressVibePattern = getLongIntArray(mContext.getResources(),
1335                com.android.internal.R.array.config_longPressVibePattern);
1336        mVirtualKeyVibePattern = getLongIntArray(mContext.getResources(),
1337                com.android.internal.R.array.config_virtualKeyVibePattern);
1338        mKeyboardTapVibePattern = getLongIntArray(mContext.getResources(),
1339                com.android.internal.R.array.config_keyboardTapVibePattern);
1340        mClockTickVibePattern = getLongIntArray(mContext.getResources(),
1341                com.android.internal.R.array.config_clockTickVibePattern);
1342        mCalendarDateVibePattern = getLongIntArray(mContext.getResources(),
1343                com.android.internal.R.array.config_calendarDateVibePattern);
1344        mSafeModeDisabledVibePattern = getLongIntArray(mContext.getResources(),
1345                com.android.internal.R.array.config_safeModeDisabledVibePattern);
1346        mSafeModeEnabledVibePattern = getLongIntArray(mContext.getResources(),
1347                com.android.internal.R.array.config_safeModeEnabledVibePattern);
1348
1349        mScreenshotChordEnabled = mContext.getResources().getBoolean(
1350                com.android.internal.R.bool.config_enableScreenshotChord);
1351
1352        mGlobalKeyManager = new GlobalKeyManager(mContext);
1353
1354        // Controls rotation and the like.
1355        initializeHdmiState();
1356
1357        // Match current screen state.
1358        if (!mPowerManager.isInteractive()) {
1359            goingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1360        }
1361    }
1362
1363    /**
1364     * Read values from config.xml that may be overridden depending on
1365     * the configuration of the device.
1366     * eg. Disable long press on home goes to recents on sw600dp.
1367     */
1368    private void readConfigurationDependentBehaviors() {
1369        mLongPressOnHomeBehavior = mContext.getResources().getInteger(
1370                com.android.internal.R.integer.config_longPressOnHomeBehavior);
1371        if (mLongPressOnHomeBehavior < LONG_PRESS_HOME_NOTHING ||
1372                mLongPressOnHomeBehavior > LONG_PRESS_HOME_ASSIST) {
1373            mLongPressOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1374        }
1375
1376        mDoubleTapOnHomeBehavior = mContext.getResources().getInteger(
1377                com.android.internal.R.integer.config_doubleTapOnHomeBehavior);
1378        if (mDoubleTapOnHomeBehavior < DOUBLE_TAP_HOME_NOTHING ||
1379                mDoubleTapOnHomeBehavior > DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1380            mDoubleTapOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1381        }
1382    }
1383
1384    @Override
1385    public void setInitialDisplaySize(Display display, int width, int height, int density) {
1386        // This method might be called before the policy has been fully initialized
1387        // or for other displays we don't care about.
1388        if (mContext == null || display.getDisplayId() != Display.DEFAULT_DISPLAY) {
1389            return;
1390        }
1391        mDisplay = display;
1392
1393        final Resources res = mContext.getResources();
1394        int shortSize, longSize;
1395        if (width > height) {
1396            shortSize = height;
1397            longSize = width;
1398            mLandscapeRotation = Surface.ROTATION_0;
1399            mSeascapeRotation = Surface.ROTATION_180;
1400            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1401                mPortraitRotation = Surface.ROTATION_90;
1402                mUpsideDownRotation = Surface.ROTATION_270;
1403            } else {
1404                mPortraitRotation = Surface.ROTATION_270;
1405                mUpsideDownRotation = Surface.ROTATION_90;
1406            }
1407        } else {
1408            shortSize = width;
1409            longSize = height;
1410            mPortraitRotation = Surface.ROTATION_0;
1411            mUpsideDownRotation = Surface.ROTATION_180;
1412            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1413                mLandscapeRotation = Surface.ROTATION_270;
1414                mSeascapeRotation = Surface.ROTATION_90;
1415            } else {
1416                mLandscapeRotation = Surface.ROTATION_90;
1417                mSeascapeRotation = Surface.ROTATION_270;
1418            }
1419        }
1420
1421        mStatusBarHeight =
1422                res.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
1423
1424        // Height of the navigation bar when presented horizontally at bottom
1425        mNavigationBarHeightForRotation[mPortraitRotation] =
1426        mNavigationBarHeightForRotation[mUpsideDownRotation] =
1427                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_height);
1428        mNavigationBarHeightForRotation[mLandscapeRotation] =
1429        mNavigationBarHeightForRotation[mSeascapeRotation] = res.getDimensionPixelSize(
1430                com.android.internal.R.dimen.navigation_bar_height_landscape);
1431
1432        // Width of the navigation bar when presented vertically along one side
1433        mNavigationBarWidthForRotation[mPortraitRotation] =
1434        mNavigationBarWidthForRotation[mUpsideDownRotation] =
1435        mNavigationBarWidthForRotation[mLandscapeRotation] =
1436        mNavigationBarWidthForRotation[mSeascapeRotation] =
1437                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_width);
1438
1439        // SystemUI (status bar) layout policy
1440        int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT / density;
1441        int longSizeDp = longSize * DisplayMetrics.DENSITY_DEFAULT / density;
1442
1443        // Allow the navigation bar to move on non-square small devices (phones).
1444        mNavigationBarCanMove = width != height && shortSizeDp < 600;
1445
1446        mHasNavigationBar = res.getBoolean(com.android.internal.R.bool.config_showNavigationBar);
1447        // Allow a system property to override this. Used by the emulator.
1448        // See also hasNavigationBar().
1449        String navBarOverride = SystemProperties.get("qemu.hw.mainkeys");
1450        if ("1".equals(navBarOverride)) {
1451            mHasNavigationBar = false;
1452        } else if ("0".equals(navBarOverride)) {
1453            mHasNavigationBar = true;
1454        }
1455
1456        // For demo purposes, allow the rotation of the HDMI display to be controlled.
1457        // By default, HDMI locks rotation to landscape.
1458        if ("portrait".equals(SystemProperties.get("persist.demo.hdmirotation"))) {
1459            mDemoHdmiRotation = mPortraitRotation;
1460        } else {
1461            mDemoHdmiRotation = mLandscapeRotation;
1462        }
1463        mDemoHdmiRotationLock = SystemProperties.getBoolean("persist.demo.hdmirotationlock", false);
1464
1465        // For demo purposes, allow the rotation of the remote display to be controlled.
1466        // By default, remote display locks rotation to landscape.
1467        if ("portrait".equals(SystemProperties.get("persist.demo.remoterotation"))) {
1468            mDemoRotation = mPortraitRotation;
1469        } else {
1470            mDemoRotation = mLandscapeRotation;
1471        }
1472        mDemoRotationLock = SystemProperties.getBoolean(
1473                "persist.demo.rotationlock", false);
1474
1475        // Only force the default orientation if the screen is xlarge, at least 960dp x 720dp, per
1476        // http://developer.android.com/guide/practices/screens_support.html#range
1477        mForceDefaultOrientation = longSizeDp >= 960 && shortSizeDp >= 720 &&
1478                res.getBoolean(com.android.internal.R.bool.config_forceDefaultOrientation) &&
1479                // For debug purposes the next line turns this feature off with:
1480                // $ adb shell setprop config.override_forced_orient true
1481                // $ adb shell wm size reset
1482                !"true".equals(SystemProperties.get("config.override_forced_orient"));
1483    }
1484
1485    /**
1486     * @return whether the navigation bar can be hidden, e.g. the device has a
1487     *         navigation bar and touch exploration is not enabled
1488     */
1489    private boolean canHideNavigationBar() {
1490        return mHasNavigationBar
1491                && !mAccessibilityManager.isTouchExplorationEnabled();
1492    }
1493
1494    @Override
1495    public boolean isDefaultOrientationForced() {
1496        return mForceDefaultOrientation;
1497    }
1498
1499    @Override
1500    public void setDisplayOverscan(Display display, int left, int top, int right, int bottom) {
1501        if (display.getDisplayId() == Display.DEFAULT_DISPLAY) {
1502            mOverscanLeft = left;
1503            mOverscanTop = top;
1504            mOverscanRight = right;
1505            mOverscanBottom = bottom;
1506        }
1507    }
1508
1509    public void updateSettings() {
1510        ContentResolver resolver = mContext.getContentResolver();
1511        boolean updateRotation = false;
1512        synchronized (mLock) {
1513            mEndcallBehavior = Settings.System.getIntForUser(resolver,
1514                    Settings.System.END_BUTTON_BEHAVIOR,
1515                    Settings.System.END_BUTTON_BEHAVIOR_DEFAULT,
1516                    UserHandle.USER_CURRENT);
1517            mIncallPowerBehavior = Settings.Secure.getIntForUser(resolver,
1518                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
1519                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT,
1520                    UserHandle.USER_CURRENT);
1521
1522            // Configure wake gesture.
1523            boolean wakeGestureEnabledSetting = Settings.Secure.getIntForUser(resolver,
1524                    Settings.Secure.WAKE_GESTURE_ENABLED, 0,
1525                    UserHandle.USER_CURRENT) != 0;
1526            if (mWakeGestureEnabledSetting != wakeGestureEnabledSetting) {
1527                mWakeGestureEnabledSetting = wakeGestureEnabledSetting;
1528                updateWakeGestureListenerLp();
1529            }
1530
1531            // Configure rotation lock.
1532            int userRotation = Settings.System.getIntForUser(resolver,
1533                    Settings.System.USER_ROTATION, Surface.ROTATION_0,
1534                    UserHandle.USER_CURRENT);
1535            if (mUserRotation != userRotation) {
1536                mUserRotation = userRotation;
1537                updateRotation = true;
1538            }
1539            int userRotationMode = Settings.System.getIntForUser(resolver,
1540                    Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
1541                            WindowManagerPolicy.USER_ROTATION_FREE :
1542                                    WindowManagerPolicy.USER_ROTATION_LOCKED;
1543            if (mUserRotationMode != userRotationMode) {
1544                mUserRotationMode = userRotationMode;
1545                updateRotation = true;
1546                updateOrientationListenerLp();
1547            }
1548
1549            if (mSystemReady) {
1550                int pointerLocation = Settings.System.getIntForUser(resolver,
1551                        Settings.System.POINTER_LOCATION, 0, UserHandle.USER_CURRENT);
1552                if (mPointerLocationMode != pointerLocation) {
1553                    mPointerLocationMode = pointerLocation;
1554                    mHandler.sendEmptyMessage(pointerLocation != 0 ?
1555                            MSG_ENABLE_POINTER_LOCATION : MSG_DISABLE_POINTER_LOCATION);
1556                }
1557            }
1558            // use screen off timeout setting as the timeout for the lockscreen
1559            mLockScreenTimeout = Settings.System.getIntForUser(resolver,
1560                    Settings.System.SCREEN_OFF_TIMEOUT, 0, UserHandle.USER_CURRENT);
1561            String imId = Settings.Secure.getStringForUser(resolver,
1562                    Settings.Secure.DEFAULT_INPUT_METHOD, UserHandle.USER_CURRENT);
1563            boolean hasSoftInput = imId != null && imId.length() > 0;
1564            if (mHasSoftInput != hasSoftInput) {
1565                mHasSoftInput = hasSoftInput;
1566                updateRotation = true;
1567            }
1568            if (mImmersiveModeConfirmation != null) {
1569                mImmersiveModeConfirmation.loadSetting(mCurrentUserId);
1570            }
1571            PolicyControl.reloadFromSetting(mContext);
1572        }
1573        if (updateRotation) {
1574            updateRotation(true);
1575        }
1576    }
1577
1578    private void updateWakeGestureListenerLp() {
1579        if (shouldEnableWakeGestureLp()) {
1580            mWakeGestureListener.requestWakeUpTrigger();
1581        } else {
1582            mWakeGestureListener.cancelWakeUpTrigger();
1583        }
1584    }
1585
1586    private boolean shouldEnableWakeGestureLp() {
1587        return mWakeGestureEnabledSetting && !mAwake
1588                && (!mLidControlsSleep || mLidState != LID_CLOSED)
1589                && mWakeGestureListener.isSupported();
1590    }
1591
1592    private void enablePointerLocation() {
1593        if (mPointerLocationView == null) {
1594            mPointerLocationView = new PointerLocationView(mContext);
1595            mPointerLocationView.setPrintCoords(false);
1596            WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
1597                    WindowManager.LayoutParams.MATCH_PARENT,
1598                    WindowManager.LayoutParams.MATCH_PARENT);
1599            lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
1600            lp.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN
1601                    | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
1602                    | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
1603                    | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
1604            if (ActivityManager.isHighEndGfx()) {
1605                lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
1606                lp.privateFlags |=
1607                        WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED;
1608            }
1609            lp.format = PixelFormat.TRANSLUCENT;
1610            lp.setTitle("PointerLocation");
1611            WindowManager wm = (WindowManager)
1612                    mContext.getSystemService(Context.WINDOW_SERVICE);
1613            lp.inputFeatures |= WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL;
1614            wm.addView(mPointerLocationView, lp);
1615            mWindowManagerFuncs.registerPointerEventListener(mPointerLocationView);
1616        }
1617    }
1618
1619    private void disablePointerLocation() {
1620        if (mPointerLocationView != null) {
1621            mWindowManagerFuncs.unregisterPointerEventListener(mPointerLocationView);
1622            WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
1623            wm.removeView(mPointerLocationView);
1624            mPointerLocationView = null;
1625        }
1626    }
1627
1628    private int readRotation(int resID) {
1629        try {
1630            int rotation = mContext.getResources().getInteger(resID);
1631            switch (rotation) {
1632                case 0:
1633                    return Surface.ROTATION_0;
1634                case 90:
1635                    return Surface.ROTATION_90;
1636                case 180:
1637                    return Surface.ROTATION_180;
1638                case 270:
1639                    return Surface.ROTATION_270;
1640            }
1641        } catch (Resources.NotFoundException e) {
1642            // fall through
1643        }
1644        return -1;
1645    }
1646
1647    /** {@inheritDoc} */
1648    @Override
1649    public int checkAddPermission(WindowManager.LayoutParams attrs, int[] outAppOp) {
1650        int type = attrs.type;
1651
1652        outAppOp[0] = AppOpsManager.OP_NONE;
1653
1654        if (!((type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW)
1655                || (type >= FIRST_SUB_WINDOW && type <= LAST_SUB_WINDOW)
1656                || (type >= FIRST_SYSTEM_WINDOW && type <= LAST_SYSTEM_WINDOW))) {
1657            return WindowManagerGlobal.ADD_INVALID_TYPE;
1658        }
1659
1660        if (type < FIRST_SYSTEM_WINDOW || type > LAST_SYSTEM_WINDOW) {
1661            // Window manager will make sure these are okay.
1662            return WindowManagerGlobal.ADD_OKAY;
1663        }
1664        String permission = null;
1665        switch (type) {
1666            case TYPE_TOAST:
1667                // XXX right now the app process has complete control over
1668                // this...  should introduce a token to let the system
1669                // monitor/control what they are doing.
1670                outAppOp[0] = AppOpsManager.OP_TOAST_WINDOW;
1671                break;
1672            case TYPE_DREAM:
1673            case TYPE_INPUT_METHOD:
1674            case TYPE_WALLPAPER:
1675            case TYPE_PRIVATE_PRESENTATION:
1676            case TYPE_VOICE_INTERACTION:
1677            case TYPE_ACCESSIBILITY_OVERLAY:
1678                // The window manager will check these.
1679                break;
1680            case TYPE_PHONE:
1681            case TYPE_PRIORITY_PHONE:
1682            case TYPE_SYSTEM_ALERT:
1683            case TYPE_SYSTEM_ERROR:
1684            case TYPE_SYSTEM_OVERLAY:
1685                permission = android.Manifest.permission.SYSTEM_ALERT_WINDOW;
1686                outAppOp[0] = AppOpsManager.OP_SYSTEM_ALERT_WINDOW;
1687                break;
1688            default:
1689                permission = android.Manifest.permission.INTERNAL_SYSTEM_WINDOW;
1690        }
1691        if (permission != null) {
1692            if (mContext.checkCallingOrSelfPermission(permission)
1693                    != PackageManager.PERMISSION_GRANTED) {
1694                return WindowManagerGlobal.ADD_PERMISSION_DENIED;
1695            }
1696        }
1697        return WindowManagerGlobal.ADD_OKAY;
1698    }
1699
1700    @Override
1701    public boolean checkShowToOwnerOnly(WindowManager.LayoutParams attrs) {
1702
1703        // If this switch statement is modified, modify the comment in the declarations of
1704        // the type in {@link WindowManager.LayoutParams} as well.
1705        switch (attrs.type) {
1706            default:
1707                // These are the windows that by default are shown only to the user that created
1708                // them. If this needs to be overridden, set
1709                // {@link WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS} in
1710                // {@link WindowManager.LayoutParams}. Note that permission
1711                // {@link android.Manifest.permission.INTERNAL_SYSTEM_WINDOW} is required as well.
1712                if ((attrs.privateFlags & PRIVATE_FLAG_SHOW_FOR_ALL_USERS) == 0) {
1713                    return true;
1714                }
1715                break;
1716
1717            // These are the windows that by default are shown to all users. However, to
1718            // protect against spoofing, check permissions below.
1719            case TYPE_APPLICATION_STARTING:
1720            case TYPE_BOOT_PROGRESS:
1721            case TYPE_DISPLAY_OVERLAY:
1722            case TYPE_HIDDEN_NAV_CONSUMER:
1723            case TYPE_KEYGUARD_SCRIM:
1724            case TYPE_KEYGUARD_DIALOG:
1725            case TYPE_MAGNIFICATION_OVERLAY:
1726            case TYPE_NAVIGATION_BAR:
1727            case TYPE_NAVIGATION_BAR_PANEL:
1728            case TYPE_PHONE:
1729            case TYPE_POINTER:
1730            case TYPE_PRIORITY_PHONE:
1731            case TYPE_SEARCH_BAR:
1732            case TYPE_STATUS_BAR:
1733            case TYPE_STATUS_BAR_PANEL:
1734            case TYPE_STATUS_BAR_SUB_PANEL:
1735            case TYPE_SYSTEM_DIALOG:
1736            case TYPE_VOLUME_OVERLAY:
1737            case TYPE_PRIVATE_PRESENTATION:
1738                break;
1739        }
1740
1741        // Check if third party app has set window to system window type.
1742        return mContext.checkCallingOrSelfPermission(
1743                android.Manifest.permission.INTERNAL_SYSTEM_WINDOW)
1744                        != PackageManager.PERMISSION_GRANTED;
1745    }
1746
1747    @Override
1748    public void adjustWindowParamsLw(WindowManager.LayoutParams attrs) {
1749        switch (attrs.type) {
1750            case TYPE_SYSTEM_OVERLAY:
1751            case TYPE_SECURE_SYSTEM_OVERLAY:
1752                // These types of windows can't receive input events.
1753                attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
1754                        | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
1755                attrs.flags &= ~WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
1756                break;
1757            case TYPE_STATUS_BAR:
1758
1759                // If the Keyguard is in a hidden state (occluded by another window), we force to
1760                // remove the wallpaper and keyguard flag so that any change in-flight after setting
1761                // the keyguard as occluded wouldn't set these flags again.
1762                // See {@link #processKeyguardSetHiddenResultLw}.
1763                if (mKeyguardHidden) {
1764                    attrs.flags &= ~WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
1765                    attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
1766                }
1767                break;
1768        }
1769
1770        if (attrs.type != TYPE_STATUS_BAR) {
1771            // The status bar is the only window allowed to exhibit keyguard behavior.
1772            attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
1773        }
1774
1775        if (ActivityManager.isHighEndGfx()
1776                && (attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0) {
1777            attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
1778                    | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
1779        }
1780    }
1781
1782    void readLidState() {
1783        mLidState = mWindowManagerFuncs.getLidState();
1784    }
1785
1786    private void readCameraLensCoverState() {
1787        mCameraLensCoverState = mWindowManagerFuncs.getCameraLensCoverState();
1788    }
1789
1790    private boolean isHidden(int accessibilityMode) {
1791        switch (accessibilityMode) {
1792            case 1:
1793                return mLidState == LID_CLOSED;
1794            case 2:
1795                return mLidState == LID_OPEN;
1796            default:
1797                return false;
1798        }
1799    }
1800
1801    /** {@inheritDoc} */
1802    @Override
1803    public void adjustConfigurationLw(Configuration config, int keyboardPresence,
1804            int navigationPresence) {
1805        mHaveBuiltInKeyboard = (keyboardPresence & PRESENCE_INTERNAL) != 0;
1806
1807        readConfigurationDependentBehaviors();
1808        readLidState();
1809        applyLidSwitchState();
1810
1811        if (config.keyboard == Configuration.KEYBOARD_NOKEYS
1812                || (keyboardPresence == PRESENCE_INTERNAL
1813                        && isHidden(mLidKeyboardAccessibility))) {
1814            config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_YES;
1815            if (!mHasSoftInput) {
1816                config.keyboardHidden = Configuration.KEYBOARDHIDDEN_YES;
1817            }
1818        }
1819
1820        if (config.navigation == Configuration.NAVIGATION_NONAV
1821                || (navigationPresence == PRESENCE_INTERNAL
1822                        && isHidden(mLidNavigationAccessibility))) {
1823            config.navigationHidden = Configuration.NAVIGATIONHIDDEN_YES;
1824        }
1825    }
1826
1827    /** {@inheritDoc} */
1828    @Override
1829    public int windowTypeToLayerLw(int type) {
1830        if (type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW) {
1831            return 2;
1832        }
1833        switch (type) {
1834        case TYPE_PRIVATE_PRESENTATION:
1835            return 2;
1836        case TYPE_WALLPAPER:
1837            // wallpaper is at the bottom, though the window manager may move it.
1838            return 2;
1839        case TYPE_PHONE:
1840            return 3;
1841        case TYPE_SEARCH_BAR:
1842            return 4;
1843        case TYPE_VOICE_INTERACTION:
1844            // voice interaction layer is almost immediately above apps.
1845            return 5;
1846        case TYPE_SYSTEM_DIALOG:
1847            return 6;
1848        case TYPE_TOAST:
1849            // toasts and the plugged-in battery thing
1850            return 7;
1851        case TYPE_PRIORITY_PHONE:
1852            // SIM errors and unlock.  Not sure if this really should be in a high layer.
1853            return 8;
1854        case TYPE_DREAM:
1855            // used for Dreams (screensavers with TYPE_DREAM windows)
1856            return 9;
1857        case TYPE_SYSTEM_ALERT:
1858            // like the ANR / app crashed dialogs
1859            return 10;
1860        case TYPE_INPUT_METHOD:
1861            // on-screen keyboards and other such input method user interfaces go here.
1862            return 11;
1863        case TYPE_INPUT_METHOD_DIALOG:
1864            // on-screen keyboards and other such input method user interfaces go here.
1865            return 12;
1866        case TYPE_KEYGUARD_SCRIM:
1867            // the safety window that shows behind keyguard while keyguard is starting
1868            return 13;
1869        case TYPE_STATUS_BAR_SUB_PANEL:
1870            return 14;
1871        case TYPE_STATUS_BAR:
1872            return 15;
1873        case TYPE_STATUS_BAR_PANEL:
1874            return 16;
1875        case TYPE_KEYGUARD_DIALOG:
1876            return 17;
1877        case TYPE_VOLUME_OVERLAY:
1878            // the on-screen volume indicator and controller shown when the user
1879            // changes the device volume
1880            return 18;
1881        case TYPE_SYSTEM_OVERLAY:
1882            // the on-screen volume indicator and controller shown when the user
1883            // changes the device volume
1884            return 19;
1885        case TYPE_NAVIGATION_BAR:
1886            // the navigation bar, if available, shows atop most things
1887            return 20;
1888        case TYPE_NAVIGATION_BAR_PANEL:
1889            // some panels (e.g. search) need to show on top of the navigation bar
1890            return 21;
1891        case TYPE_SYSTEM_ERROR:
1892            // system-level error dialogs
1893            return 22;
1894        case TYPE_MAGNIFICATION_OVERLAY:
1895            // used to highlight the magnified portion of a display
1896            return 23;
1897        case TYPE_DISPLAY_OVERLAY:
1898            // used to simulate secondary display devices
1899            return 24;
1900        case TYPE_DRAG:
1901            // the drag layer: input for drag-and-drop is associated with this window,
1902            // which sits above all other focusable windows
1903            return 25;
1904        case TYPE_ACCESSIBILITY_OVERLAY:
1905            // overlay put by accessibility services to intercept user interaction
1906            return 26;
1907        case TYPE_SECURE_SYSTEM_OVERLAY:
1908            return 27;
1909        case TYPE_BOOT_PROGRESS:
1910            return 28;
1911        case TYPE_POINTER:
1912            // the (mouse) pointer layer
1913            return 29;
1914        case TYPE_HIDDEN_NAV_CONSUMER:
1915            return 30;
1916        }
1917        Log.e(TAG, "Unknown window type: " + type);
1918        return 2;
1919    }
1920
1921    /** {@inheritDoc} */
1922    @Override
1923    public int subWindowTypeToLayerLw(int type) {
1924        switch (type) {
1925        case TYPE_APPLICATION_PANEL:
1926        case TYPE_APPLICATION_ATTACHED_DIALOG:
1927            return APPLICATION_PANEL_SUBLAYER;
1928        case TYPE_APPLICATION_MEDIA:
1929            return APPLICATION_MEDIA_SUBLAYER;
1930        case TYPE_APPLICATION_MEDIA_OVERLAY:
1931            return APPLICATION_MEDIA_OVERLAY_SUBLAYER;
1932        case TYPE_APPLICATION_SUB_PANEL:
1933            return APPLICATION_SUB_PANEL_SUBLAYER;
1934        }
1935        Log.e(TAG, "Unknown sub-window type: " + type);
1936        return 0;
1937    }
1938
1939    @Override
1940    public int getMaxWallpaperLayer() {
1941        return windowTypeToLayerLw(TYPE_STATUS_BAR);
1942    }
1943
1944    @Override
1945    public int getNonDecorDisplayWidth(int fullWidth, int fullHeight, int rotation) {
1946        if (mHasNavigationBar) {
1947            // For a basic navigation bar, when we are in landscape mode we place
1948            // the navigation bar to the side.
1949            if (mNavigationBarCanMove && fullWidth > fullHeight) {
1950                return fullWidth - mNavigationBarWidthForRotation[rotation];
1951            }
1952        }
1953        return fullWidth;
1954    }
1955
1956    @Override
1957    public int getNonDecorDisplayHeight(int fullWidth, int fullHeight, int rotation) {
1958        if (mHasNavigationBar) {
1959            // For a basic navigation bar, when we are in portrait mode we place
1960            // the navigation bar to the bottom.
1961            if (!mNavigationBarCanMove || fullWidth < fullHeight) {
1962                return fullHeight - mNavigationBarHeightForRotation[rotation];
1963            }
1964        }
1965        return fullHeight;
1966    }
1967
1968    @Override
1969    public int getConfigDisplayWidth(int fullWidth, int fullHeight, int rotation) {
1970        return getNonDecorDisplayWidth(fullWidth, fullHeight, rotation);
1971    }
1972
1973    @Override
1974    public int getConfigDisplayHeight(int fullWidth, int fullHeight, int rotation) {
1975        // There is a separate status bar at the top of the display.  We don't count that as part
1976        // of the fixed decor, since it can hide; however, for purposes of configurations,
1977        // we do want to exclude it since applications can't generally use that part
1978        // of the screen.
1979        return getNonDecorDisplayHeight(fullWidth, fullHeight, rotation) - mStatusBarHeight;
1980    }
1981
1982    @Override
1983    public boolean isForceHiding(WindowManager.LayoutParams attrs) {
1984        return (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 ||
1985                (isKeyguardHostWindow(attrs) &&
1986                        (mKeyguardDelegate != null && mKeyguardDelegate.isShowing())) ||
1987                (attrs.type == TYPE_KEYGUARD_SCRIM);
1988    }
1989
1990    @Override
1991    public boolean isKeyguardHostWindow(WindowManager.LayoutParams attrs) {
1992        return attrs.type == TYPE_STATUS_BAR;
1993    }
1994
1995    @Override
1996    public boolean canBeForceHidden(WindowState win, WindowManager.LayoutParams attrs) {
1997        switch (attrs.type) {
1998            case TYPE_STATUS_BAR:
1999            case TYPE_NAVIGATION_BAR:
2000            case TYPE_WALLPAPER:
2001            case TYPE_DREAM:
2002            case TYPE_KEYGUARD_SCRIM:
2003                return false;
2004            default:
2005                return true;
2006        }
2007    }
2008
2009    @Override
2010    public WindowState getWinShowWhenLockedLw() {
2011        return mWinShowWhenLocked;
2012    }
2013
2014    /** {@inheritDoc} */
2015    @Override
2016    public View addStartingWindow(IBinder appToken, String packageName, int theme,
2017            CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes,
2018            int icon, int logo, int windowFlags) {
2019        if (!SHOW_STARTING_ANIMATIONS) {
2020            return null;
2021        }
2022        if (packageName == null) {
2023            return null;
2024        }
2025
2026        WindowManager wm = null;
2027        View view = null;
2028
2029        try {
2030            Context context = mContext;
2031            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow " + packageName
2032                    + ": nonLocalizedLabel=" + nonLocalizedLabel + " theme="
2033                    + Integer.toHexString(theme));
2034            if (theme != context.getThemeResId() || labelRes != 0) {
2035                try {
2036                    context = context.createPackageContext(packageName, 0);
2037                    context.setTheme(theme);
2038                } catch (PackageManager.NameNotFoundException e) {
2039                    // Ignore
2040                }
2041            }
2042
2043            Window win = new PhoneWindow(context);
2044            final TypedArray ta = win.getWindowStyle();
2045            if (ta.getBoolean(
2046                        com.android.internal.R.styleable.Window_windowDisablePreview, false)
2047                || ta.getBoolean(
2048                        com.android.internal.R.styleable.Window_windowShowWallpaper,false)) {
2049                return null;
2050            }
2051
2052            Resources r = context.getResources();
2053            win.setTitle(r.getText(labelRes, nonLocalizedLabel));
2054
2055            win.setType(
2056                WindowManager.LayoutParams.TYPE_APPLICATION_STARTING);
2057            // Force the window flags: this is a fake window, so it is not really
2058            // touchable or focusable by the user.  We also add in the ALT_FOCUSABLE_IM
2059            // flag because we do know that the next window will take input
2060            // focus, so we want to get the IME window up on top of us right away.
2061            win.setFlags(
2062                windowFlags|
2063                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2064                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2065                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
2066                windowFlags|
2067                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2068                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2069                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
2070
2071            win.setDefaultIcon(icon);
2072            win.setDefaultLogo(logo);
2073
2074            win.setLayout(WindowManager.LayoutParams.MATCH_PARENT,
2075                    WindowManager.LayoutParams.MATCH_PARENT);
2076
2077            final WindowManager.LayoutParams params = win.getAttributes();
2078            params.token = appToken;
2079            params.packageName = packageName;
2080            params.windowAnimations = win.getWindowStyle().getResourceId(
2081                    com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
2082            params.privateFlags |=
2083                    WindowManager.LayoutParams.PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED;
2084            params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
2085
2086            if (!compatInfo.supportsScreen()) {
2087                params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW;
2088            }
2089
2090            params.setTitle("Starting " + packageName);
2091
2092            wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
2093            view = win.getDecorView();
2094
2095            if (win.isFloating()) {
2096                // Whoops, there is no way to display an animation/preview
2097                // of such a thing!  After all that work...  let's skip it.
2098                // (Note that we must do this here because it is in
2099                // getDecorView() where the theme is evaluated...  maybe
2100                // we should peek the floating attribute from the theme
2101                // earlier.)
2102                return null;
2103            }
2104
2105            if (DEBUG_STARTING_WINDOW) Slog.d(
2106                TAG, "Adding starting window for " + packageName
2107                + " / " + appToken + ": "
2108                + (view.getParent() != null ? view : null));
2109
2110            wm.addView(view, params);
2111
2112            // Only return the view if it was successfully added to the
2113            // window manager... which we can tell by it having a parent.
2114            return view.getParent() != null ? view : null;
2115        } catch (WindowManager.BadTokenException e) {
2116            // ignore
2117            Log.w(TAG, appToken + " already running, starting window not displayed. " +
2118                    e.getMessage());
2119        } catch (RuntimeException e) {
2120            // don't crash if something else bad happens, for example a
2121            // failure loading resources because we are loading from an app
2122            // on external storage that has been unmounted.
2123            Log.w(TAG, appToken + " failed creating starting window", e);
2124        } finally {
2125            if (view != null && view.getParent() == null) {
2126                Log.w(TAG, "view not successfully added to wm, removing view");
2127                wm.removeViewImmediate(view);
2128            }
2129        }
2130
2131        return null;
2132    }
2133
2134    /** {@inheritDoc} */
2135    @Override
2136    public void removeStartingWindow(IBinder appToken, View window) {
2137        if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Removing starting window for " + appToken + ": "
2138                + window + " Callers=" + Debug.getCallers(4));
2139
2140        if (window != null) {
2141            WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
2142            wm.removeView(window);
2143        }
2144    }
2145
2146    /**
2147     * Preflight adding a window to the system.
2148     *
2149     * Currently enforces that three window types are singletons:
2150     * <ul>
2151     * <li>STATUS_BAR_TYPE</li>
2152     * <li>KEYGUARD_TYPE</li>
2153     * </ul>
2154     *
2155     * @param win The window to be added
2156     * @param attrs Information about the window to be added
2157     *
2158     * @return If ok, WindowManagerImpl.ADD_OKAY.  If too many singletons,
2159     * WindowManagerImpl.ADD_MULTIPLE_SINGLETON
2160     */
2161    @Override
2162    public int prepareAddWindowLw(WindowState win, WindowManager.LayoutParams attrs) {
2163        switch (attrs.type) {
2164            case TYPE_STATUS_BAR:
2165                mContext.enforceCallingOrSelfPermission(
2166                        android.Manifest.permission.STATUS_BAR_SERVICE,
2167                        "PhoneWindowManager");
2168                if (mStatusBar != null) {
2169                    if (mStatusBar.isAlive()) {
2170                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2171                    }
2172                }
2173                mStatusBar = win;
2174                mStatusBarController.setWindow(win);
2175                break;
2176            case TYPE_NAVIGATION_BAR:
2177                mContext.enforceCallingOrSelfPermission(
2178                        android.Manifest.permission.STATUS_BAR_SERVICE,
2179                        "PhoneWindowManager");
2180                if (mNavigationBar != null) {
2181                    if (mNavigationBar.isAlive()) {
2182                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2183                    }
2184                }
2185                mNavigationBar = win;
2186                mNavigationBarController.setWindow(win);
2187                if (DEBUG_LAYOUT) Slog.i(TAG, "NAVIGATION BAR: " + mNavigationBar);
2188                break;
2189            case TYPE_NAVIGATION_BAR_PANEL:
2190                mContext.enforceCallingOrSelfPermission(
2191                        android.Manifest.permission.STATUS_BAR_SERVICE,
2192                        "PhoneWindowManager");
2193                break;
2194            case TYPE_STATUS_BAR_PANEL:
2195                mContext.enforceCallingOrSelfPermission(
2196                        android.Manifest.permission.STATUS_BAR_SERVICE,
2197                        "PhoneWindowManager");
2198                break;
2199            case TYPE_STATUS_BAR_SUB_PANEL:
2200                mContext.enforceCallingOrSelfPermission(
2201                        android.Manifest.permission.STATUS_BAR_SERVICE,
2202                        "PhoneWindowManager");
2203                break;
2204            case TYPE_KEYGUARD_SCRIM:
2205                if (mKeyguardScrim != null) {
2206                    return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2207                }
2208                mKeyguardScrim = win;
2209                break;
2210        }
2211        return WindowManagerGlobal.ADD_OKAY;
2212    }
2213
2214    /** {@inheritDoc} */
2215    @Override
2216    public void removeWindowLw(WindowState win) {
2217        if (mStatusBar == win) {
2218            mStatusBar = null;
2219            mStatusBarController.setWindow(null);
2220            mKeyguardDelegate.showScrim();
2221        } else if (mKeyguardScrim == win) {
2222            Log.v(TAG, "Removing keyguard scrim");
2223            mKeyguardScrim = null;
2224        } if (mNavigationBar == win) {
2225            mNavigationBar = null;
2226            mNavigationBarController.setWindow(null);
2227        }
2228    }
2229
2230    static final boolean PRINT_ANIM = false;
2231
2232    /** {@inheritDoc} */
2233    @Override
2234    public int selectAnimationLw(WindowState win, int transit) {
2235        if (PRINT_ANIM) Log.i(TAG, "selectAnimation in " + win
2236              + ": transit=" + transit);
2237        if (win == mStatusBar) {
2238            boolean isKeyguard = (win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
2239            if (transit == TRANSIT_EXIT
2240                    || transit == TRANSIT_HIDE) {
2241                return isKeyguard ? -1 : R.anim.dock_top_exit;
2242            } else if (transit == TRANSIT_ENTER
2243                    || transit == TRANSIT_SHOW) {
2244                return isKeyguard ? -1 : R.anim.dock_top_enter;
2245            }
2246        } else if (win == mNavigationBar) {
2247            // This can be on either the bottom or the right.
2248            if (mNavigationBarOnBottom) {
2249                if (transit == TRANSIT_EXIT
2250                        || transit == TRANSIT_HIDE) {
2251                    return R.anim.dock_bottom_exit;
2252                } else if (transit == TRANSIT_ENTER
2253                        || transit == TRANSIT_SHOW) {
2254                    return R.anim.dock_bottom_enter;
2255                }
2256            } else {
2257                if (transit == TRANSIT_EXIT
2258                        || transit == TRANSIT_HIDE) {
2259                    return R.anim.dock_right_exit;
2260                } else if (transit == TRANSIT_ENTER
2261                        || transit == TRANSIT_SHOW) {
2262                    return R.anim.dock_right_enter;
2263                }
2264            }
2265        }
2266
2267        if (transit == TRANSIT_PREVIEW_DONE) {
2268            if (win.hasAppShownWindows()) {
2269                if (PRINT_ANIM) Log.i(TAG, "**** STARTING EXIT");
2270                return com.android.internal.R.anim.app_starting_exit;
2271            }
2272        } else if (win.getAttrs().type == TYPE_DREAM && mDreamingLockscreen
2273                && transit == TRANSIT_ENTER) {
2274            // Special case: we are animating in a dream, while the keyguard
2275            // is shown.  We don't want an animation on the dream, because
2276            // we need it shown immediately with the keyguard animating away
2277            // to reveal it.
2278            return -1;
2279        }
2280
2281        return 0;
2282    }
2283
2284    @Override
2285    public void selectRotationAnimationLw(int anim[]) {
2286        if (PRINT_ANIM) Slog.i(TAG, "selectRotationAnimation mTopFullscreen="
2287                + mTopFullscreenOpaqueWindowState + " rotationAnimation="
2288                + (mTopFullscreenOpaqueWindowState == null ?
2289                        "0" : mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation));
2290        if (mTopFullscreenOpaqueWindowState != null && mTopIsFullscreen) {
2291            switch (mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation) {
2292                case ROTATION_ANIMATION_CROSSFADE:
2293                    anim[0] = R.anim.rotation_animation_xfade_exit;
2294                    anim[1] = R.anim.rotation_animation_enter;
2295                    break;
2296                case ROTATION_ANIMATION_JUMPCUT:
2297                    anim[0] = R.anim.rotation_animation_jump_exit;
2298                    anim[1] = R.anim.rotation_animation_enter;
2299                    break;
2300                case ROTATION_ANIMATION_ROTATE:
2301                default:
2302                    anim[0] = anim[1] = 0;
2303                    break;
2304            }
2305        } else {
2306            anim[0] = anim[1] = 0;
2307        }
2308    }
2309
2310    @Override
2311    public boolean validateRotationAnimationLw(int exitAnimId, int enterAnimId,
2312            boolean forceDefault) {
2313        switch (exitAnimId) {
2314            case R.anim.rotation_animation_xfade_exit:
2315            case R.anim.rotation_animation_jump_exit:
2316                // These are the only cases that matter.
2317                if (forceDefault) {
2318                    return false;
2319                }
2320                int anim[] = new int[2];
2321                selectRotationAnimationLw(anim);
2322                return (exitAnimId == anim[0] && enterAnimId == anim[1]);
2323            default:
2324                return true;
2325        }
2326    }
2327
2328    @Override
2329    public Animation createForceHideEnterAnimation(boolean onWallpaper,
2330            boolean goingToNotificationShade) {
2331        if (goingToNotificationShade) {
2332            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_behind_enter_fade_in);
2333        }
2334
2335        AnimationSet set = (AnimationSet) AnimationUtils.loadAnimation(mContext, onWallpaper ?
2336                    R.anim.lock_screen_behind_enter_wallpaper :
2337                    R.anim.lock_screen_behind_enter);
2338
2339        // TODO: Use XML interpolators when we have log interpolators available in XML.
2340        final List<Animation> animations = set.getAnimations();
2341        for (int i = animations.size() - 1; i >= 0; --i) {
2342            animations.get(i).setInterpolator(mLogDecelerateInterpolator);
2343        }
2344
2345        return set;
2346    }
2347
2348
2349    @Override
2350    public Animation createForceHideWallpaperExitAnimation(boolean goingToNotificationShade) {
2351        if (goingToNotificationShade) {
2352            return null;
2353        } else {
2354            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_wallpaper_exit);
2355        }
2356    }
2357
2358    private static void awakenDreams() {
2359        IDreamManager dreamManager = getDreamManager();
2360        if (dreamManager != null) {
2361            try {
2362                dreamManager.awaken();
2363            } catch (RemoteException e) {
2364                // fine, stay asleep then
2365            }
2366        }
2367    }
2368
2369    static IDreamManager getDreamManager() {
2370        return IDreamManager.Stub.asInterface(
2371                ServiceManager.checkService(DreamService.DREAM_SERVICE));
2372    }
2373
2374    TelecomManager getTelecommService() {
2375        return (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE);
2376    }
2377
2378    static IAudioService getAudioService() {
2379        IAudioService audioService = IAudioService.Stub.asInterface(
2380                ServiceManager.checkService(Context.AUDIO_SERVICE));
2381        if (audioService == null) {
2382            Log.w(TAG, "Unable to find IAudioService interface.");
2383        }
2384        return audioService;
2385    }
2386
2387    boolean keyguardOn() {
2388        return isKeyguardShowingAndNotOccluded() || inKeyguardRestrictedKeyInputMode();
2389    }
2390
2391    private static final int[] WINDOW_TYPES_WHERE_HOME_DOESNT_WORK = {
2392            WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
2393            WindowManager.LayoutParams.TYPE_SYSTEM_ERROR,
2394        };
2395
2396    /** {@inheritDoc} */
2397    @Override
2398    public long interceptKeyBeforeDispatching(WindowState win, KeyEvent event, int policyFlags) {
2399        final boolean keyguardOn = keyguardOn();
2400        final int keyCode = event.getKeyCode();
2401        final int repeatCount = event.getRepeatCount();
2402        final int metaState = event.getMetaState();
2403        final int flags = event.getFlags();
2404        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
2405        final boolean canceled = event.isCanceled();
2406
2407        if (DEBUG_INPUT) {
2408            Log.d(TAG, "interceptKeyTi keyCode=" + keyCode + " down=" + down + " repeatCount="
2409                    + repeatCount + " keyguardOn=" + keyguardOn + " mHomePressed=" + mHomePressed
2410                    + " canceled=" + canceled);
2411        }
2412
2413        // If we think we might have a volume down & power key chord on the way
2414        // but we're not sure, then tell the dispatcher to wait a little while and
2415        // try again later before dispatching.
2416        if (mScreenshotChordEnabled && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
2417            if (mScreenshotChordVolumeDownKeyTriggered && !mScreenshotChordPowerKeyTriggered) {
2418                final long now = SystemClock.uptimeMillis();
2419                final long timeoutTime = mScreenshotChordVolumeDownKeyTime
2420                        + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
2421                if (now < timeoutTime) {
2422                    return timeoutTime - now;
2423                }
2424            }
2425            if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
2426                    && mScreenshotChordVolumeDownKeyConsumed) {
2427                if (!down) {
2428                    mScreenshotChordVolumeDownKeyConsumed = false;
2429                }
2430                return -1;
2431            }
2432        }
2433
2434        // Cancel any pending meta actions if we see any other keys being pressed between the down
2435        // of the meta key and its corresponding up.
2436        if (mPendingMetaAction && !KeyEvent.isMetaKey(keyCode)) {
2437            mPendingMetaAction = false;
2438        }
2439
2440        // First we always handle the home key here, so applications
2441        // can never break it, although if keyguard is on, we do let
2442        // it handle it, because that gives us the correct 5 second
2443        // timeout.
2444        if (keyCode == KeyEvent.KEYCODE_HOME) {
2445
2446            // If we have released the home key, and didn't do anything else
2447            // while it was pressed, then it is time to go home!
2448            if (!down) {
2449                cancelPreloadRecentApps();
2450
2451                mHomePressed = false;
2452                if (mHomeConsumed) {
2453                    mHomeConsumed = false;
2454                    return -1;
2455                }
2456
2457                if (canceled) {
2458                    Log.i(TAG, "Ignoring HOME; event canceled.");
2459                    return -1;
2460                }
2461
2462                // If an incoming call is ringing, HOME is totally disabled.
2463                // (The user is already on the InCallUI at this point,
2464                // and his ONLY options are to answer or reject the call.)
2465                TelecomManager telecomManager = getTelecommService();
2466                if (telecomManager != null && telecomManager.isRinging()) {
2467                    Log.i(TAG, "Ignoring HOME; there's a ringing incoming call.");
2468                    return -1;
2469                }
2470
2471                // Delay handling home if a double-tap is possible.
2472                if (mDoubleTapOnHomeBehavior != DOUBLE_TAP_HOME_NOTHING) {
2473                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable); // just in case
2474                    mHomeDoubleTapPending = true;
2475                    mHandler.postDelayed(mHomeDoubleTapTimeoutRunnable,
2476                            ViewConfiguration.getDoubleTapTimeout());
2477                    return -1;
2478                }
2479
2480                handleShortPressOnHome();
2481                return -1;
2482            }
2483
2484            // If a system window has focus, then it doesn't make sense
2485            // right now to interact with applications.
2486            WindowManager.LayoutParams attrs = win != null ? win.getAttrs() : null;
2487            if (attrs != null) {
2488                final int type = attrs.type;
2489                if (type == WindowManager.LayoutParams.TYPE_KEYGUARD_SCRIM
2490                        || type == WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG
2491                        || (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
2492                    // the "app" is keyguard, so give it the key
2493                    return 0;
2494                }
2495                final int typeCount = WINDOW_TYPES_WHERE_HOME_DOESNT_WORK.length;
2496                for (int i=0; i<typeCount; i++) {
2497                    if (type == WINDOW_TYPES_WHERE_HOME_DOESNT_WORK[i]) {
2498                        // don't do anything, but also don't pass it to the app
2499                        return -1;
2500                    }
2501                }
2502            }
2503
2504            // Remember that home is pressed and handle special actions.
2505            if (repeatCount == 0) {
2506                mHomePressed = true;
2507                if (mHomeDoubleTapPending) {
2508                    mHomeDoubleTapPending = false;
2509                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable);
2510                    handleDoubleTapOnHome();
2511                } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI
2512                        || mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
2513                    preloadRecentApps();
2514                }
2515            } else if ((event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) {
2516                if (!keyguardOn) {
2517                    handleLongPressOnHome();
2518                }
2519            }
2520            return -1;
2521        } else if (keyCode == KeyEvent.KEYCODE_MENU) {
2522            // Hijack modified menu keys for debugging features
2523            final int chordBug = KeyEvent.META_SHIFT_ON;
2524
2525            if (down && repeatCount == 0) {
2526                if (mEnableShiftMenuBugReports && (metaState & chordBug) == chordBug) {
2527                    Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
2528                    mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT,
2529                            null, null, null, 0, null, null);
2530                    return -1;
2531                } else if (SHOW_PROCESSES_ON_ALT_MENU &&
2532                        (metaState & KeyEvent.META_ALT_ON) == KeyEvent.META_ALT_ON) {
2533                    Intent service = new Intent();
2534                    service.setClassName(mContext, "com.android.server.LoadAverageService");
2535                    ContentResolver res = mContext.getContentResolver();
2536                    boolean shown = Settings.Global.getInt(
2537                            res, Settings.Global.SHOW_PROCESSES, 0) != 0;
2538                    if (!shown) {
2539                        mContext.startService(service);
2540                    } else {
2541                        mContext.stopService(service);
2542                    }
2543                    Settings.Global.putInt(
2544                            res, Settings.Global.SHOW_PROCESSES, shown ? 0 : 1);
2545                    return -1;
2546                }
2547            }
2548        } else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
2549            if (down) {
2550                if (repeatCount == 0) {
2551                    mSearchKeyShortcutPending = true;
2552                    mConsumeSearchKeyUp = false;
2553                }
2554            } else {
2555                mSearchKeyShortcutPending = false;
2556                if (mConsumeSearchKeyUp) {
2557                    mConsumeSearchKeyUp = false;
2558                    return -1;
2559                }
2560            }
2561            return 0;
2562        } else if (keyCode == KeyEvent.KEYCODE_APP_SWITCH) {
2563            if (!keyguardOn) {
2564                if (down && repeatCount == 0) {
2565                    preloadRecentApps();
2566                } else if (!down) {
2567                    toggleRecentApps();
2568                }
2569            }
2570            return -1;
2571        } else if (keyCode == KeyEvent.KEYCODE_ASSIST) {
2572            if (down) {
2573                if (repeatCount == 0) {
2574                    mAssistKeyLongPressed = false;
2575                } else if (repeatCount == 1) {
2576                    mAssistKeyLongPressed = true;
2577                    if (!keyguardOn) {
2578                         launchAssistLongPressAction();
2579                    }
2580                }
2581            } else {
2582                if (mAssistKeyLongPressed) {
2583                    mAssistKeyLongPressed = false;
2584                } else {
2585                    if (!keyguardOn) {
2586                        launchAssistAction();
2587                    }
2588                }
2589            }
2590            return -1;
2591        } else if (keyCode == KeyEvent.KEYCODE_VOICE_ASSIST) {
2592            if (!down) {
2593                Intent voiceIntent;
2594                if (!keyguardOn) {
2595                    voiceIntent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
2596                } else {
2597                    voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
2598                    voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, true);
2599                }
2600                mContext.startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
2601            }
2602        } else if (keyCode == KeyEvent.KEYCODE_SYSRQ) {
2603            if (down && repeatCount == 0) {
2604                mHandler.post(mScreenshotRunnable);
2605            }
2606            return -1;
2607        } else if (keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP
2608                || keyCode == KeyEvent.KEYCODE_BRIGHTNESS_DOWN) {
2609            if (down) {
2610                int direction = keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP ? 1 : -1;
2611
2612                // Disable autobrightness if it's on
2613                int auto = Settings.System.getIntForUser(
2614                        mContext.getContentResolver(),
2615                        Settings.System.SCREEN_BRIGHTNESS_MODE,
2616                        Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
2617                        UserHandle.USER_CURRENT_OR_SELF);
2618                if (auto != 0) {
2619                    Settings.System.putIntForUser(mContext.getContentResolver(),
2620                            Settings.System.SCREEN_BRIGHTNESS_MODE,
2621                            Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
2622                            UserHandle.USER_CURRENT_OR_SELF);
2623                }
2624
2625                int min = mPowerManager.getMinimumScreenBrightnessSetting();
2626                int max = mPowerManager.getMaximumScreenBrightnessSetting();
2627                int step = (max - min + BRIGHTNESS_STEPS - 1) / BRIGHTNESS_STEPS * direction;
2628                int brightness = Settings.System.getIntForUser(mContext.getContentResolver(),
2629                        Settings.System.SCREEN_BRIGHTNESS,
2630                        mPowerManager.getDefaultScreenBrightnessSetting(),
2631                        UserHandle.USER_CURRENT_OR_SELF);
2632                brightness += step;
2633                // Make sure we don't go beyond the limits.
2634                brightness = Math.min(max, brightness);
2635                brightness = Math.max(min, brightness);
2636
2637                Settings.System.putIntForUser(mContext.getContentResolver(),
2638                        Settings.System.SCREEN_BRIGHTNESS, brightness,
2639                        UserHandle.USER_CURRENT_OR_SELF);
2640                mContext.startActivityAsUser(new Intent(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG),
2641                        UserHandle.CURRENT_OR_SELF);
2642            }
2643            return -1;
2644        } else if (KeyEvent.isMetaKey(keyCode)) {
2645            if (down) {
2646                mPendingMetaAction = true;
2647            } else if (mPendingMetaAction) {
2648                launchAssistAction(Intent.EXTRA_ASSIST_INPUT_HINT_KEYBOARD);
2649            }
2650            return -1;
2651        }
2652
2653        // Shortcuts are invoked through Search+key, so intercept those here
2654        // Any printing key that is chorded with Search should be consumed
2655        // even if no shortcut was invoked.  This prevents text from being
2656        // inadvertently inserted when using a keyboard that has built-in macro
2657        // shortcut keys (that emit Search+x) and some of them are not registered.
2658        if (mSearchKeyShortcutPending) {
2659            final KeyCharacterMap kcm = event.getKeyCharacterMap();
2660            if (kcm.isPrintingKey(keyCode)) {
2661                mConsumeSearchKeyUp = true;
2662                mSearchKeyShortcutPending = false;
2663                if (down && repeatCount == 0 && !keyguardOn) {
2664                    Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState);
2665                    if (shortcutIntent != null) {
2666                        shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2667                        try {
2668                            mContext.startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
2669                        } catch (ActivityNotFoundException ex) {
2670                            Slog.w(TAG, "Dropping shortcut key combination because "
2671                                    + "the activity to which it is registered was not found: "
2672                                    + "SEARCH+" + KeyEvent.keyCodeToString(keyCode), ex);
2673                        }
2674                    } else {
2675                        Slog.i(TAG, "Dropping unregistered shortcut key combination: "
2676                                + "SEARCH+" + KeyEvent.keyCodeToString(keyCode));
2677                    }
2678                }
2679                return -1;
2680            }
2681        }
2682
2683        // Invoke shortcuts using Meta.
2684        if (down && repeatCount == 0 && !keyguardOn
2685                && (metaState & KeyEvent.META_META_ON) != 0) {
2686            final KeyCharacterMap kcm = event.getKeyCharacterMap();
2687            if (kcm.isPrintingKey(keyCode)) {
2688                Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode,
2689                        metaState & ~(KeyEvent.META_META_ON
2690                                | KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_RIGHT_ON));
2691                if (shortcutIntent != null) {
2692                    shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2693                    try {
2694                        mContext.startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
2695                    } catch (ActivityNotFoundException ex) {
2696                        Slog.w(TAG, "Dropping shortcut key combination because "
2697                                + "the activity to which it is registered was not found: "
2698                                + "META+" + KeyEvent.keyCodeToString(keyCode), ex);
2699                    }
2700                    return -1;
2701                }
2702            }
2703        }
2704
2705        // Handle application launch keys.
2706        if (down && repeatCount == 0 && !keyguardOn) {
2707            String category = sApplicationLaunchKeyCategories.get(keyCode);
2708            if (category != null) {
2709                Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, category);
2710                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2711                try {
2712                    mContext.startActivityAsUser(intent, UserHandle.CURRENT);
2713                } catch (ActivityNotFoundException ex) {
2714                    Slog.w(TAG, "Dropping application launch key because "
2715                            + "the activity to which it is registered was not found: "
2716                            + "keyCode=" + keyCode + ", category=" + category, ex);
2717                }
2718                return -1;
2719            }
2720        }
2721
2722        // Display task switcher for ALT-TAB.
2723        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_TAB) {
2724            if (mRecentAppsHeldModifiers == 0 && !keyguardOn) {
2725                final int shiftlessModifiers = event.getModifiers() & ~KeyEvent.META_SHIFT_MASK;
2726                if (KeyEvent.metaStateHasModifiers(shiftlessModifiers, KeyEvent.META_ALT_ON)) {
2727                    mRecentAppsHeldModifiers = shiftlessModifiers;
2728                    showRecentApps(true);
2729                    return -1;
2730                }
2731            }
2732        } else if (!down && mRecentAppsHeldModifiers != 0
2733                && (metaState & mRecentAppsHeldModifiers) == 0) {
2734            mRecentAppsHeldModifiers = 0;
2735            hideRecentApps(true, false);
2736        }
2737
2738        // Handle keyboard language switching.
2739        if (down && repeatCount == 0
2740                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
2741                        || (keyCode == KeyEvent.KEYCODE_SPACE
2742                                && (metaState & KeyEvent.META_CTRL_MASK) != 0))) {
2743            int direction = (metaState & KeyEvent.META_SHIFT_MASK) != 0 ? -1 : 1;
2744            mWindowManagerFuncs.switchKeyboardLayout(event.getDeviceId(), direction);
2745            return -1;
2746        }
2747        if (mLanguageSwitchKeyPressed && !down
2748                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
2749                        || keyCode == KeyEvent.KEYCODE_SPACE)) {
2750            mLanguageSwitchKeyPressed = false;
2751            return -1;
2752        }
2753
2754        if (isValidGlobalKey(keyCode)
2755                && mGlobalKeyManager.handleGlobalKey(mContext, keyCode, event)) {
2756            return -1;
2757        }
2758
2759        // Reserve all the META modifier combos for system behavior
2760        if ((metaState & KeyEvent.META_META_ON) != 0) {
2761            return -1;
2762        }
2763
2764        // Let the application handle the key.
2765        return 0;
2766    }
2767
2768    /** {@inheritDoc} */
2769    @Override
2770    public KeyEvent dispatchUnhandledKey(WindowState win, KeyEvent event, int policyFlags) {
2771        // Note: This method is only called if the initial down was unhandled.
2772        if (DEBUG_INPUT) {
2773            Slog.d(TAG, "Unhandled key: win=" + win + ", action=" + event.getAction()
2774                    + ", flags=" + event.getFlags()
2775                    + ", keyCode=" + event.getKeyCode()
2776                    + ", scanCode=" + event.getScanCode()
2777                    + ", metaState=" + event.getMetaState()
2778                    + ", repeatCount=" + event.getRepeatCount()
2779                    + ", policyFlags=" + policyFlags);
2780        }
2781
2782        KeyEvent fallbackEvent = null;
2783        if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
2784            final KeyCharacterMap kcm = event.getKeyCharacterMap();
2785            final int keyCode = event.getKeyCode();
2786            final int metaState = event.getMetaState();
2787            final boolean initialDown = event.getAction() == KeyEvent.ACTION_DOWN
2788                    && event.getRepeatCount() == 0;
2789
2790            // Check for fallback actions specified by the key character map.
2791            final FallbackAction fallbackAction;
2792            if (initialDown) {
2793                fallbackAction = kcm.getFallbackAction(keyCode, metaState);
2794            } else {
2795                fallbackAction = mFallbackActions.get(keyCode);
2796            }
2797
2798            if (fallbackAction != null) {
2799                if (DEBUG_INPUT) {
2800                    Slog.d(TAG, "Fallback: keyCode=" + fallbackAction.keyCode
2801                            + " metaState=" + Integer.toHexString(fallbackAction.metaState));
2802                }
2803
2804                final int flags = event.getFlags() | KeyEvent.FLAG_FALLBACK;
2805                fallbackEvent = KeyEvent.obtain(
2806                        event.getDownTime(), event.getEventTime(),
2807                        event.getAction(), fallbackAction.keyCode,
2808                        event.getRepeatCount(), fallbackAction.metaState,
2809                        event.getDeviceId(), event.getScanCode(),
2810                        flags, event.getSource(), null);
2811
2812                if (!interceptFallback(win, fallbackEvent, policyFlags)) {
2813                    fallbackEvent.recycle();
2814                    fallbackEvent = null;
2815                }
2816
2817                if (initialDown) {
2818                    mFallbackActions.put(keyCode, fallbackAction);
2819                } else if (event.getAction() == KeyEvent.ACTION_UP) {
2820                    mFallbackActions.remove(keyCode);
2821                    fallbackAction.recycle();
2822                }
2823            }
2824        }
2825
2826        if (DEBUG_INPUT) {
2827            if (fallbackEvent == null) {
2828                Slog.d(TAG, "No fallback.");
2829            } else {
2830                Slog.d(TAG, "Performing fallback: " + fallbackEvent);
2831            }
2832        }
2833        return fallbackEvent;
2834    }
2835
2836    private boolean interceptFallback(WindowState win, KeyEvent fallbackEvent, int policyFlags) {
2837        int actions = interceptKeyBeforeQueueing(fallbackEvent, policyFlags);
2838        if ((actions & ACTION_PASS_TO_USER) != 0) {
2839            long delayMillis = interceptKeyBeforeDispatching(
2840                    win, fallbackEvent, policyFlags);
2841            if (delayMillis == 0) {
2842                return true;
2843            }
2844        }
2845        return false;
2846    }
2847
2848    private void launchAssistLongPressAction() {
2849        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
2850        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
2851
2852        // launch the search activity
2853        Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
2854        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2855        try {
2856            // TODO: This only stops the factory-installed search manager.
2857            // Need to formalize an API to handle others
2858            SearchManager searchManager = getSearchManager();
2859            if (searchManager != null) {
2860                searchManager.stopSearch();
2861            }
2862            mContext.startActivityAsUser(intent, UserHandle.CURRENT);
2863        } catch (ActivityNotFoundException e) {
2864            Slog.w(TAG, "No activity to handle assist long press action.", e);
2865        }
2866    }
2867
2868    private void launchAssistAction() {
2869        launchAssistAction(null);
2870    }
2871
2872    private void launchAssistAction(String hint) {
2873        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
2874        Intent intent = ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
2875                .getAssistIntent(mContext, true, UserHandle.USER_CURRENT);
2876        if (intent != null) {
2877            if (hint != null) {
2878                intent.putExtra(hint, true);
2879            }
2880            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
2881                    | Intent.FLAG_ACTIVITY_SINGLE_TOP
2882                    | Intent.FLAG_ACTIVITY_CLEAR_TOP);
2883            try {
2884                mContext.startActivityAsUser(intent, UserHandle.CURRENT);
2885            } catch (ActivityNotFoundException e) {
2886                Slog.w(TAG, "No activity to handle assist action.", e);
2887            }
2888        }
2889    }
2890
2891    private SearchManager getSearchManager() {
2892        if (mSearchManager == null) {
2893            mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
2894        }
2895        return mSearchManager;
2896    }
2897
2898    private void preloadRecentApps() {
2899        mPreloadedRecentApps = true;
2900        try {
2901            IStatusBarService statusbar = getStatusBarService();
2902            if (statusbar != null) {
2903                statusbar.preloadRecentApps();
2904            }
2905        } catch (RemoteException e) {
2906            Slog.e(TAG, "RemoteException when preloading recent apps", e);
2907            // re-acquire status bar service next time it is needed.
2908            mStatusBarService = null;
2909        }
2910    }
2911
2912    private void cancelPreloadRecentApps() {
2913        if (mPreloadedRecentApps) {
2914            mPreloadedRecentApps = false;
2915            try {
2916                IStatusBarService statusbar = getStatusBarService();
2917                if (statusbar != null) {
2918                    statusbar.cancelPreloadRecentApps();
2919                }
2920            } catch (RemoteException e) {
2921                Slog.e(TAG, "RemoteException when cancelling recent apps preload", e);
2922                // re-acquire status bar service next time it is needed.
2923                mStatusBarService = null;
2924            }
2925        }
2926    }
2927
2928    private void toggleRecentApps() {
2929        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
2930        try {
2931            IStatusBarService statusbar = getStatusBarService();
2932            if (statusbar != null) {
2933                statusbar.toggleRecentApps();
2934            }
2935        } catch (RemoteException e) {
2936            Slog.e(TAG, "RemoteException when toggling recent apps", e);
2937            // re-acquire status bar service next time it is needed.
2938            mStatusBarService = null;
2939        }
2940    }
2941
2942    @Override
2943    public void showRecentApps() {
2944        mHandler.removeMessages(MSG_DISPATCH_SHOW_RECENTS);
2945        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_RECENTS);
2946    }
2947
2948    private void showRecentApps(boolean triggeredFromAltTab) {
2949        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
2950        try {
2951            IStatusBarService statusbar = getStatusBarService();
2952            if (statusbar != null) {
2953                statusbar.showRecentApps(triggeredFromAltTab);
2954            }
2955        } catch (RemoteException e) {
2956            Slog.e(TAG, "RemoteException when showing recent apps", e);
2957            // re-acquire status bar service next time it is needed.
2958            mStatusBarService = null;
2959        }
2960    }
2961
2962    private void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHome) {
2963        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
2964        try {
2965            IStatusBarService statusbar = getStatusBarService();
2966            if (statusbar != null) {
2967                statusbar.hideRecentApps(triggeredFromAltTab, triggeredFromHome);
2968            }
2969        } catch (RemoteException e) {
2970            Slog.e(TAG, "RemoteException when closing recent apps", e);
2971            // re-acquire status bar service next time it is needed.
2972            mStatusBarService = null;
2973        }
2974    }
2975
2976    /**
2977     * A home key -> launch home action was detected.  Take the appropriate action
2978     * given the situation with the keyguard.
2979     */
2980    void launchHomeFromHotKey() {
2981        if (isKeyguardShowingAndNotOccluded()) {
2982            // don't launch home if keyguard showing
2983        } else if (!mHideLockScreen && mKeyguardDelegate.isInputRestricted()) {
2984            // when in keyguard restricted mode, must first verify unlock
2985            // before launching home
2986            mKeyguardDelegate.verifyUnlock(new OnKeyguardExitResult() {
2987                @Override
2988                public void onKeyguardExitResult(boolean success) {
2989                    if (success) {
2990                        try {
2991                            ActivityManagerNative.getDefault().stopAppSwitches();
2992                        } catch (RemoteException e) {
2993                        }
2994                        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
2995                        startDockOrHome(true /*fromHomeKey*/);
2996                    }
2997                }
2998            });
2999        } else {
3000            // no keyguard stuff to worry about, just launch home!
3001            try {
3002                ActivityManagerNative.getDefault().stopAppSwitches();
3003            } catch (RemoteException e) {
3004            }
3005            if (mRecentsVisible) {
3006                // Hide Recents and notify it to launch Home
3007                awakenDreams();
3008                sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3009                hideRecentApps(false, true);
3010            } else {
3011                // Otherwise, just launch Home
3012                sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3013                startDockOrHome(true /*fromHomeKey*/);
3014            }
3015        }
3016    }
3017
3018    private final Runnable mClearHideNavigationFlag = new Runnable() {
3019        @Override
3020        public void run() {
3021            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3022                // Clear flags.
3023                mForceClearedSystemUiFlags &=
3024                        ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3025            }
3026            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3027        }
3028    };
3029
3030    /**
3031     * Input handler used while nav bar is hidden.  Captures any touch on the screen,
3032     * to determine when the nav bar should be shown and prevent applications from
3033     * receiving those touches.
3034     */
3035    final class HideNavInputEventReceiver extends InputEventReceiver {
3036        public HideNavInputEventReceiver(InputChannel inputChannel, Looper looper) {
3037            super(inputChannel, looper);
3038        }
3039
3040        @Override
3041        public void onInputEvent(InputEvent event) {
3042            boolean handled = false;
3043            try {
3044                if (event instanceof MotionEvent
3045                        && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
3046                    final MotionEvent motionEvent = (MotionEvent)event;
3047                    if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
3048                        // When the user taps down, we re-show the nav bar.
3049                        boolean changed = false;
3050                        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3051                            // Any user activity always causes us to show the
3052                            // navigation controls, if they had been hidden.
3053                            // We also clear the low profile and only content
3054                            // flags so that tapping on the screen will atomically
3055                            // restore all currently hidden screen decorations.
3056                            int newVal = mResettingSystemUiFlags |
3057                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
3058                                    View.SYSTEM_UI_FLAG_LOW_PROFILE |
3059                                    View.SYSTEM_UI_FLAG_FULLSCREEN;
3060                            if (mResettingSystemUiFlags != newVal) {
3061                                mResettingSystemUiFlags = newVal;
3062                                changed = true;
3063                            }
3064                            // We don't allow the system's nav bar to be hidden
3065                            // again for 1 second, to prevent applications from
3066                            // spamming us and keeping it from being shown.
3067                            newVal = mForceClearedSystemUiFlags |
3068                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3069                            if (mForceClearedSystemUiFlags != newVal) {
3070                                mForceClearedSystemUiFlags = newVal;
3071                                changed = true;
3072                                mHandler.postDelayed(mClearHideNavigationFlag, 1000);
3073                            }
3074                        }
3075                        if (changed) {
3076                            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3077                        }
3078                    }
3079                }
3080            } finally {
3081                finishInputEvent(event, handled);
3082            }
3083        }
3084    }
3085    final InputEventReceiver.Factory mHideNavInputEventReceiverFactory =
3086            new InputEventReceiver.Factory() {
3087        @Override
3088        public InputEventReceiver createInputEventReceiver(
3089                InputChannel inputChannel, Looper looper) {
3090            return new HideNavInputEventReceiver(inputChannel, looper);
3091        }
3092    };
3093
3094    @Override
3095    public int adjustSystemUiVisibilityLw(int visibility) {
3096        mStatusBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3097        mNavigationBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3098        mRecentsVisible = (visibility & View.RECENT_APPS_VISIBLE) > 0;
3099
3100        // Reset any bits in mForceClearingStatusBarVisibility that
3101        // are now clear.
3102        mResettingSystemUiFlags &= visibility;
3103        // Clear any bits in the new visibility that are currently being
3104        // force cleared, before reporting it.
3105        return visibility & ~mResettingSystemUiFlags
3106                & ~mForceClearedSystemUiFlags;
3107    }
3108
3109    @Override
3110    public void getInsetHintLw(WindowManager.LayoutParams attrs, Rect outContentInsets,
3111            Rect outStableInsets) {
3112        final int fl = PolicyControl.getWindowFlags(null, attrs);
3113        final int sysuiVis = PolicyControl.getSystemUiVisibility(null, attrs);
3114        final int systemUiVisibility = (sysuiVis | attrs.subtreeSystemUiVisibility);
3115
3116        if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3117                == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3118            int availRight, availBottom;
3119            if (canHideNavigationBar() &&
3120                    (systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0) {
3121                availRight = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3122                availBottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3123            } else {
3124                availRight = mRestrictedScreenLeft + mRestrictedScreenWidth;
3125                availBottom = mRestrictedScreenTop + mRestrictedScreenHeight;
3126            }
3127            if ((systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3128                if ((fl & FLAG_FULLSCREEN) != 0) {
3129                    outContentInsets.set(mStableFullscreenLeft, mStableFullscreenTop,
3130                            availRight - mStableFullscreenRight,
3131                            availBottom - mStableFullscreenBottom);
3132                } else {
3133                    outContentInsets.set(mStableLeft, mStableTop,
3134                            availRight - mStableRight, availBottom - mStableBottom);
3135                }
3136            } else if ((fl & FLAG_FULLSCREEN) != 0 || (fl & FLAG_LAYOUT_IN_OVERSCAN) != 0) {
3137                outContentInsets.setEmpty();
3138            } else if ((systemUiVisibility & (View.SYSTEM_UI_FLAG_FULLSCREEN
3139                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)) == 0) {
3140                outContentInsets.set(mCurLeft, mCurTop,
3141                        availRight - mCurRight, availBottom - mCurBottom);
3142            } else {
3143                outContentInsets.set(mCurLeft, mCurTop,
3144                        availRight - mCurRight, availBottom - mCurBottom);
3145            }
3146
3147            outStableInsets.set(mStableLeft, mStableTop,
3148                    availRight - mStableRight, availBottom - mStableBottom);
3149            return;
3150        }
3151        outContentInsets.setEmpty();
3152        outStableInsets.setEmpty();
3153    }
3154
3155    /** {@inheritDoc} */
3156    @Override
3157    public void beginLayoutLw(boolean isDefaultDisplay, int displayWidth, int displayHeight,
3158                              int displayRotation) {
3159        final int overscanLeft, overscanTop, overscanRight, overscanBottom;
3160        if (isDefaultDisplay) {
3161            switch (displayRotation) {
3162                case Surface.ROTATION_90:
3163                    overscanLeft = mOverscanTop;
3164                    overscanTop = mOverscanRight;
3165                    overscanRight = mOverscanBottom;
3166                    overscanBottom = mOverscanLeft;
3167                    break;
3168                case Surface.ROTATION_180:
3169                    overscanLeft = mOverscanRight;
3170                    overscanTop = mOverscanBottom;
3171                    overscanRight = mOverscanLeft;
3172                    overscanBottom = mOverscanTop;
3173                    break;
3174                case Surface.ROTATION_270:
3175                    overscanLeft = mOverscanBottom;
3176                    overscanTop = mOverscanLeft;
3177                    overscanRight = mOverscanTop;
3178                    overscanBottom = mOverscanRight;
3179                    break;
3180                default:
3181                    overscanLeft = mOverscanLeft;
3182                    overscanTop = mOverscanTop;
3183                    overscanRight = mOverscanRight;
3184                    overscanBottom = mOverscanBottom;
3185                    break;
3186            }
3187        } else {
3188            overscanLeft = 0;
3189            overscanTop = 0;
3190            overscanRight = 0;
3191            overscanBottom = 0;
3192        }
3193        mOverscanScreenLeft = mRestrictedOverscanScreenLeft = 0;
3194        mOverscanScreenTop = mRestrictedOverscanScreenTop = 0;
3195        mOverscanScreenWidth = mRestrictedOverscanScreenWidth = displayWidth;
3196        mOverscanScreenHeight = mRestrictedOverscanScreenHeight = displayHeight;
3197        mSystemLeft = 0;
3198        mSystemTop = 0;
3199        mSystemRight = displayWidth;
3200        mSystemBottom = displayHeight;
3201        mUnrestrictedScreenLeft = overscanLeft;
3202        mUnrestrictedScreenTop = overscanTop;
3203        mUnrestrictedScreenWidth = displayWidth - overscanLeft - overscanRight;
3204        mUnrestrictedScreenHeight = displayHeight - overscanTop - overscanBottom;
3205        mRestrictedScreenLeft = mUnrestrictedScreenLeft;
3206        mRestrictedScreenTop = mUnrestrictedScreenTop;
3207        mRestrictedScreenWidth = mSystemGestures.screenWidth = mUnrestrictedScreenWidth;
3208        mRestrictedScreenHeight = mSystemGestures.screenHeight = mUnrestrictedScreenHeight;
3209        mDockLeft = mContentLeft = mVoiceContentLeft = mStableLeft = mStableFullscreenLeft
3210                = mCurLeft = mUnrestrictedScreenLeft;
3211        mDockTop = mContentTop = mVoiceContentTop = mStableTop = mStableFullscreenTop
3212                = mCurTop = mUnrestrictedScreenTop;
3213        mDockRight = mContentRight = mVoiceContentRight = mStableRight = mStableFullscreenRight
3214                = mCurRight = displayWidth - overscanRight;
3215        mDockBottom = mContentBottom = mVoiceContentBottom = mStableBottom = mStableFullscreenBottom
3216                = mCurBottom = displayHeight - overscanBottom;
3217        mDockLayer = 0x10000000;
3218        mStatusBarLayer = -1;
3219
3220        // start with the current dock rect, which will be (0,0,displayWidth,displayHeight)
3221        final Rect pf = mTmpParentFrame;
3222        final Rect df = mTmpDisplayFrame;
3223        final Rect of = mTmpOverscanFrame;
3224        final Rect vf = mTmpVisibleFrame;
3225        final Rect dcf = mTmpDecorFrame;
3226        pf.left = df.left = of.left = vf.left = mDockLeft;
3227        pf.top = df.top = of.top = vf.top = mDockTop;
3228        pf.right = df.right = of.right = vf.right = mDockRight;
3229        pf.bottom = df.bottom = of.bottom = vf.bottom = mDockBottom;
3230        dcf.setEmpty();  // Decor frame N/A for system bars.
3231
3232        if (isDefaultDisplay) {
3233            // For purposes of putting out fake window up to steal focus, we will
3234            // drive nav being hidden only by whether it is requested.
3235            final int sysui = mLastSystemUiFlags;
3236            boolean navVisible = (sysui & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0;
3237            boolean navTranslucent = (sysui
3238                    & (View.NAVIGATION_BAR_TRANSLUCENT | View.SYSTEM_UI_TRANSPARENT)) != 0;
3239            boolean immersive = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
3240            boolean immersiveSticky = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
3241            boolean navAllowedHidden = immersive || immersiveSticky;
3242            navTranslucent &= !immersiveSticky;  // transient trumps translucent
3243            boolean isKeyguardShowing = isStatusBarKeyguard() && !mHideLockScreen;
3244            if (!isKeyguardShowing) {
3245                navTranslucent &= areTranslucentBarsAllowed();
3246            }
3247
3248            // When the navigation bar isn't visible, we put up a fake
3249            // input window to catch all touch events.  This way we can
3250            // detect when the user presses anywhere to bring back the nav
3251            // bar and ensure the application doesn't see the event.
3252            if (navVisible || navAllowedHidden) {
3253                if (mHideNavFakeWindow != null) {
3254                    mHideNavFakeWindow.dismiss();
3255                    mHideNavFakeWindow = null;
3256                }
3257            } else if (mHideNavFakeWindow == null) {
3258                mHideNavFakeWindow = mWindowManagerFuncs.addFakeWindow(
3259                        mHandler.getLooper(), mHideNavInputEventReceiverFactory,
3260                        "hidden nav", WindowManager.LayoutParams.TYPE_HIDDEN_NAV_CONSUMER, 0,
3261                        0, false, false, true);
3262            }
3263
3264            // For purposes of positioning and showing the nav bar, if we have
3265            // decided that it can't be hidden (because of the screen aspect ratio),
3266            // then take that into account.
3267            navVisible |= !canHideNavigationBar();
3268
3269            boolean updateSysUiVisibility = false;
3270            if (mNavigationBar != null) {
3271                boolean transientNavBarShowing = mNavigationBarController.isTransientShowing();
3272                // Force the navigation bar to its appropriate place and
3273                // size.  We need to do this directly, instead of relying on
3274                // it to bubble up from the nav bar, because this needs to
3275                // change atomically with screen rotations.
3276                mNavigationBarOnBottom = (!mNavigationBarCanMove || displayWidth < displayHeight);
3277                if (mNavigationBarOnBottom) {
3278                    // It's a system nav bar or a portrait screen; nav bar goes on bottom.
3279                    int top = displayHeight - overscanBottom
3280                            - mNavigationBarHeightForRotation[displayRotation];
3281                    mTmpNavigationFrame.set(0, top, displayWidth, displayHeight - overscanBottom);
3282                    mStableBottom = mStableFullscreenBottom = mTmpNavigationFrame.top;
3283                    if (transientNavBarShowing) {
3284                        mNavigationBarController.setBarShowingLw(true);
3285                    } else if (navVisible) {
3286                        mNavigationBarController.setBarShowingLw(true);
3287                        mDockBottom = mTmpNavigationFrame.top;
3288                        mRestrictedScreenHeight = mDockBottom - mRestrictedScreenTop;
3289                        mRestrictedOverscanScreenHeight = mDockBottom - mRestrictedOverscanScreenTop;
3290                    } else {
3291                        // We currently want to hide the navigation UI.
3292                        mNavigationBarController.setBarShowingLw(false);
3293                    }
3294                    if (navVisible && !navTranslucent && !navAllowedHidden
3295                            && !mNavigationBar.isAnimatingLw()
3296                            && !mNavigationBarController.wasRecentlyTranslucent()) {
3297                        // If the opaque nav bar is currently requested to be visible,
3298                        // and not in the process of animating on or off, then
3299                        // we can tell the app that it is covered by it.
3300                        mSystemBottom = mTmpNavigationFrame.top;
3301                    }
3302                } else {
3303                    // Landscape screen; nav bar goes to the right.
3304                    int left = displayWidth - overscanRight
3305                            - mNavigationBarWidthForRotation[displayRotation];
3306                    mTmpNavigationFrame.set(left, 0, displayWidth - overscanRight, displayHeight);
3307                    mStableRight = mStableFullscreenRight = mTmpNavigationFrame.left;
3308                    if (transientNavBarShowing) {
3309                        mNavigationBarController.setBarShowingLw(true);
3310                    } else if (navVisible) {
3311                        mNavigationBarController.setBarShowingLw(true);
3312                        mDockRight = mTmpNavigationFrame.left;
3313                        mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
3314                        mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
3315                    } else {
3316                        // We currently want to hide the navigation UI.
3317                        mNavigationBarController.setBarShowingLw(false);
3318                    }
3319                    if (navVisible && !navTranslucent && !mNavigationBar.isAnimatingLw()
3320                            && !mNavigationBarController.wasRecentlyTranslucent()) {
3321                        // If the nav bar is currently requested to be visible,
3322                        // and not in the process of animating on or off, then
3323                        // we can tell the app that it is covered by it.
3324                        mSystemRight = mTmpNavigationFrame.left;
3325                    }
3326                }
3327                // Make sure the content and current rectangles are updated to
3328                // account for the restrictions from the navigation bar.
3329                mContentTop = mVoiceContentTop = mCurTop = mDockTop;
3330                mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
3331                mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
3332                mContentRight = mVoiceContentRight = mCurRight = mDockRight;
3333                mStatusBarLayer = mNavigationBar.getSurfaceLayer();
3334                // And compute the final frame.
3335                mNavigationBar.computeFrameLw(mTmpNavigationFrame, mTmpNavigationFrame,
3336                        mTmpNavigationFrame, mTmpNavigationFrame, mTmpNavigationFrame, dcf,
3337                        mTmpNavigationFrame);
3338                if (DEBUG_LAYOUT) Slog.i(TAG, "mNavigationBar frame: " + mTmpNavigationFrame);
3339                if (mNavigationBarController.checkHiddenLw()) {
3340                    updateSysUiVisibility = true;
3341                }
3342            }
3343            if (DEBUG_LAYOUT) Slog.i(TAG, String.format("mDock rect: (%d,%d - %d,%d)",
3344                    mDockLeft, mDockTop, mDockRight, mDockBottom));
3345
3346            // decide where the status bar goes ahead of time
3347            if (mStatusBar != null) {
3348                // apply any navigation bar insets
3349                pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3350                pf.top = df.top = of.top = mUnrestrictedScreenTop;
3351                pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
3352                pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight
3353                        + mUnrestrictedScreenTop;
3354                vf.left = mStableLeft;
3355                vf.top = mStableTop;
3356                vf.right = mStableRight;
3357                vf.bottom = mStableBottom;
3358
3359                mStatusBarLayer = mStatusBar.getSurfaceLayer();
3360
3361                // Let the status bar determine its size.
3362                mStatusBar.computeFrameLw(pf, df, vf, vf, vf, dcf, vf);
3363
3364                // For layout, the status bar is always at the top with our fixed height.
3365                mStableTop = mUnrestrictedScreenTop + mStatusBarHeight;
3366
3367                boolean statusBarTransient = (sysui & View.STATUS_BAR_TRANSIENT) != 0;
3368                boolean statusBarTranslucent = (sysui
3369                        & (View.STATUS_BAR_TRANSLUCENT | View.SYSTEM_UI_TRANSPARENT)) != 0;
3370                if (!isKeyguardShowing) {
3371                    statusBarTranslucent &= areTranslucentBarsAllowed();
3372                }
3373
3374                // If the status bar is hidden, we don't want to cause
3375                // windows behind it to scroll.
3376                if (mStatusBar.isVisibleLw() && !statusBarTransient) {
3377                    // Status bar may go away, so the screen area it occupies
3378                    // is available to apps but just covering them when the
3379                    // status bar is visible.
3380                    mDockTop = mUnrestrictedScreenTop + mStatusBarHeight;
3381
3382                    mContentTop = mVoiceContentTop = mCurTop = mDockTop;
3383                    mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
3384                    mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
3385                    mContentRight = mVoiceContentRight = mCurRight = mDockRight;
3386
3387                    if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar: " +
3388                        String.format(
3389                            "dock=[%d,%d][%d,%d] content=[%d,%d][%d,%d] cur=[%d,%d][%d,%d]",
3390                            mDockLeft, mDockTop, mDockRight, mDockBottom,
3391                            mContentLeft, mContentTop, mContentRight, mContentBottom,
3392                            mCurLeft, mCurTop, mCurRight, mCurBottom));
3393                }
3394                if (mStatusBar.isVisibleLw() && !mStatusBar.isAnimatingLw()
3395                        && !statusBarTransient && !statusBarTranslucent
3396                        && !mStatusBarController.wasRecentlyTranslucent()) {
3397                    // If the opaque status bar is currently requested to be visible,
3398                    // and not in the process of animating on or off, then
3399                    // we can tell the app that it is covered by it.
3400                    mSystemTop = mUnrestrictedScreenTop + mStatusBarHeight;
3401                }
3402                if (mStatusBarController.checkHiddenLw()) {
3403                    updateSysUiVisibility = true;
3404                }
3405            }
3406            if (updateSysUiVisibility) {
3407                updateSystemUiVisibilityLw();
3408            }
3409        }
3410    }
3411
3412    /** {@inheritDoc} */
3413    @Override
3414    public int getSystemDecorLayerLw() {
3415        if (mStatusBar != null) return mStatusBar.getSurfaceLayer();
3416        if (mNavigationBar != null) return mNavigationBar.getSurfaceLayer();
3417        return 0;
3418    }
3419
3420    @Override
3421    public void getContentRectLw(Rect r) {
3422        r.set(mContentLeft, mContentTop, mContentRight, mContentBottom);
3423    }
3424
3425    void setAttachedWindowFrames(WindowState win, int fl, int adjust, WindowState attached,
3426            boolean insetDecors, Rect pf, Rect df, Rect of, Rect cf, Rect vf) {
3427        if (win.getSurfaceLayer() > mDockLayer && attached.getSurfaceLayer() < mDockLayer) {
3428            // Here's a special case: if this attached window is a panel that is
3429            // above the dock window, and the window it is attached to is below
3430            // the dock window, then the frames we computed for the window it is
3431            // attached to can not be used because the dock is effectively part
3432            // of the underlying window and the attached window is floating on top
3433            // of the whole thing.  So, we ignore the attached window and explicitly
3434            // compute the frames that would be appropriate without the dock.
3435            df.left = of.left = cf.left = vf.left = mDockLeft;
3436            df.top = of.top = cf.top = vf.top = mDockTop;
3437            df.right = of.right = cf.right = vf.right = mDockRight;
3438            df.bottom = of.bottom = cf.bottom = vf.bottom = mDockBottom;
3439        } else {
3440            // The effective display frame of the attached window depends on
3441            // whether it is taking care of insetting its content.  If not,
3442            // we need to use the parent's content frame so that the entire
3443            // window is positioned within that content.  Otherwise we can use
3444            // the overscan frame and let the attached window take care of
3445            // positioning its content appropriately.
3446            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
3447                // Set the content frame of the attached window to the parent's decor frame
3448                // (same as content frame when IME isn't present) if specifically requested by
3449                // setting {@link WindowManager.LayoutParams#FLAG_LAYOUT_ATTACHED_IN_DECOR} flag.
3450                // Otherwise, use the overscan frame.
3451                cf.set((fl & FLAG_LAYOUT_ATTACHED_IN_DECOR) != 0
3452                        ? attached.getContentFrameLw() : attached.getOverscanFrameLw());
3453            } else {
3454                // If the window is resizing, then we want to base the content
3455                // frame on our attached content frame to resize...  however,
3456                // things can be tricky if the attached window is NOT in resize
3457                // mode, in which case its content frame will be larger.
3458                // Ungh.  So to deal with that, make sure the content frame
3459                // we end up using is not covering the IM dock.
3460                cf.set(attached.getContentFrameLw());
3461                if (attached.isVoiceInteraction()) {
3462                    if (cf.left < mVoiceContentLeft) cf.left = mVoiceContentLeft;
3463                    if (cf.top < mVoiceContentTop) cf.top = mVoiceContentTop;
3464                    if (cf.right > mVoiceContentRight) cf.right = mVoiceContentRight;
3465                    if (cf.bottom > mVoiceContentBottom) cf.bottom = mVoiceContentBottom;
3466                } else if (attached.getSurfaceLayer() < mDockLayer) {
3467                    if (cf.left < mContentLeft) cf.left = mContentLeft;
3468                    if (cf.top < mContentTop) cf.top = mContentTop;
3469                    if (cf.right > mContentRight) cf.right = mContentRight;
3470                    if (cf.bottom > mContentBottom) cf.bottom = mContentBottom;
3471                }
3472            }
3473            df.set(insetDecors ? attached.getDisplayFrameLw() : cf);
3474            of.set(insetDecors ? attached.getOverscanFrameLw() : cf);
3475            vf.set(attached.getVisibleFrameLw());
3476        }
3477        // The LAYOUT_IN_SCREEN flag is used to determine whether the attached
3478        // window should be positioned relative to its parent or the entire
3479        // screen.
3480        pf.set((fl & FLAG_LAYOUT_IN_SCREEN) == 0
3481                ? attached.getFrameLw() : df);
3482    }
3483
3484    private void applyStableConstraints(int sysui, int fl, Rect r) {
3485        if ((sysui & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3486            // If app is requesting a stable layout, don't let the
3487            // content insets go below the stable values.
3488            if ((fl & FLAG_FULLSCREEN) != 0) {
3489                if (r.left < mStableFullscreenLeft) r.left = mStableFullscreenLeft;
3490                if (r.top < mStableFullscreenTop) r.top = mStableFullscreenTop;
3491                if (r.right > mStableFullscreenRight) r.right = mStableFullscreenRight;
3492                if (r.bottom > mStableFullscreenBottom) r.bottom = mStableFullscreenBottom;
3493            } else {
3494                if (r.left < mStableLeft) r.left = mStableLeft;
3495                if (r.top < mStableTop) r.top = mStableTop;
3496                if (r.right > mStableRight) r.right = mStableRight;
3497                if (r.bottom > mStableBottom) r.bottom = mStableBottom;
3498            }
3499        }
3500    }
3501
3502    /** {@inheritDoc} */
3503    @Override
3504    public void layoutWindowLw(WindowState win, WindowState attached) {
3505        // we've already done the status bar
3506        final WindowManager.LayoutParams attrs = win.getAttrs();
3507        if ((win == mStatusBar && (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) == 0) ||
3508                win == mNavigationBar) {
3509            return;
3510        }
3511        final boolean isDefaultDisplay = win.isDefaultDisplay();
3512        final boolean needsToOffsetInputMethodTarget = isDefaultDisplay &&
3513                (win == mLastInputMethodTargetWindow && mLastInputMethodWindow != null);
3514        if (needsToOffsetInputMethodTarget) {
3515            if (DEBUG_LAYOUT) Slog.i(TAG, "Offset ime target window by the last ime window state");
3516            offsetInputMethodWindowLw(mLastInputMethodWindow);
3517        }
3518
3519        final int fl = PolicyControl.getWindowFlags(win, attrs);
3520        final int sim = attrs.softInputMode;
3521        final int sysUiFl = PolicyControl.getSystemUiVisibility(win, null);
3522
3523        final Rect pf = mTmpParentFrame;
3524        final Rect df = mTmpDisplayFrame;
3525        final Rect of = mTmpOverscanFrame;
3526        final Rect cf = mTmpContentFrame;
3527        final Rect vf = mTmpVisibleFrame;
3528        final Rect dcf = mTmpDecorFrame;
3529        final Rect sf = mTmpStableFrame;
3530        dcf.setEmpty();
3531
3532        final boolean hasNavBar = (isDefaultDisplay && mHasNavigationBar
3533                && mNavigationBar != null && mNavigationBar.isVisibleLw());
3534
3535        final int adjust = sim & SOFT_INPUT_MASK_ADJUST;
3536
3537        if (isDefaultDisplay) {
3538            sf.set(mStableLeft, mStableTop, mStableRight, mStableBottom);
3539        } else {
3540            sf.set(mOverscanLeft, mOverscanTop, mOverscanRight, mOverscanBottom);
3541        }
3542
3543        if (!isDefaultDisplay) {
3544            if (attached != null) {
3545                // If this window is attached to another, our display
3546                // frame is the same as the one we are attached to.
3547                setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
3548            } else {
3549                // Give the window full screen.
3550                pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3551                pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3552                pf.right = df.right = of.right = cf.right
3553                        = mOverscanScreenLeft + mOverscanScreenWidth;
3554                pf.bottom = df.bottom = of.bottom = cf.bottom
3555                        = mOverscanScreenTop + mOverscanScreenHeight;
3556            }
3557        } else  if (attrs.type == TYPE_INPUT_METHOD || attrs.type == TYPE_VOICE_INTERACTION) {
3558            pf.left = df.left = of.left = cf.left = vf.left = mDockLeft;
3559            pf.top = df.top = of.top = cf.top = vf.top = mDockTop;
3560            pf.right = df.right = of.right = cf.right = vf.right = mDockRight;
3561            // IM dock windows layout below the nav bar...
3562            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3563            // ...with content insets above the nav bar
3564            cf.bottom = vf.bottom = mStableBottom;
3565            // IM dock windows always go to the bottom of the screen.
3566            attrs.gravity = Gravity.BOTTOM;
3567            mDockLayer = win.getSurfaceLayer();
3568        } else if (win == mStatusBar && (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
3569            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3570            pf.top = df.top = of.top = mUnrestrictedScreenTop;
3571            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
3572            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight + mUnrestrictedScreenTop;
3573            cf.left = vf.left = mStableLeft;
3574            cf.top = vf.top = mStableTop;
3575            cf.right = vf.right = mStableRight;
3576            vf.bottom = mStableBottom;
3577            cf.bottom = mContentBottom;
3578        } else {
3579
3580            // Default policy decor for the default display
3581            dcf.left = mSystemLeft;
3582            dcf.top = mSystemTop;
3583            dcf.right = mSystemRight;
3584            dcf.bottom = mSystemBottom;
3585            final boolean inheritTranslucentDecor = (attrs.privateFlags
3586                    & WindowManager.LayoutParams.PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR) != 0;
3587            final boolean isAppWindow =
3588                    attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW &&
3589                    attrs.type <= WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
3590            final boolean topAtRest =
3591                    win == mTopFullscreenOpaqueWindowState && !win.isAnimatingLw();
3592            if (isAppWindow && !inheritTranslucentDecor && !topAtRest) {
3593                if ((sysUiFl & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0
3594                        && (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) == 0
3595                        && (fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) == 0
3596                        && (fl & WindowManager.LayoutParams.
3597                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
3598                    // Ensure policy decor includes status bar
3599                    dcf.top = mStableTop;
3600                }
3601                if ((fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) == 0
3602                        && (sysUiFl & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0
3603                        && (fl & WindowManager.LayoutParams.
3604                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
3605                    // Ensure policy decor includes navigation bar
3606                    dcf.bottom = mStableBottom;
3607                    dcf.right = mStableRight;
3608                }
3609            }
3610
3611            if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3612                    == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3613                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle()
3614                            + "): IN_SCREEN, INSET_DECOR");
3615                // This is the case for a normal activity window: we want it
3616                // to cover all of the screen space, and it can take care of
3617                // moving its contents to account for screen decorations that
3618                // intrude into that space.
3619                if (attached != null) {
3620                    // If this window is attached to another, our display
3621                    // frame is the same as the one we are attached to.
3622                    setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
3623                } else {
3624                    if (attrs.type == TYPE_STATUS_BAR_PANEL
3625                            || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
3626                        // Status bar panels are the only windows who can go on top of
3627                        // the status bar.  They are protected by the STATUS_BAR_SERVICE
3628                        // permission, so they have the same privileges as the status
3629                        // bar itself.
3630                        //
3631                        // However, they should still dodge the navigation bar if it exists.
3632
3633                        pf.left = df.left = of.left = hasNavBar
3634                                ? mDockLeft : mUnrestrictedScreenLeft;
3635                        pf.top = df.top = of.top = mUnrestrictedScreenTop;
3636                        pf.right = df.right = of.right = hasNavBar
3637                                ? mRestrictedScreenLeft+mRestrictedScreenWidth
3638                                : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3639                        pf.bottom = df.bottom = of.bottom = hasNavBar
3640                                ? mRestrictedScreenTop+mRestrictedScreenHeight
3641                                : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3642
3643                        if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
3644                                        "Laying out status bar window: (%d,%d - %d,%d)",
3645                                        pf.left, pf.top, pf.right, pf.bottom));
3646                    } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
3647                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
3648                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
3649                        // Asking to layout into the overscan region, so give it that pure
3650                        // unrestricted area.
3651                        pf.left = df.left = of.left = mOverscanScreenLeft;
3652                        pf.top = df.top = of.top = mOverscanScreenTop;
3653                        pf.right = df.right = of.right = mOverscanScreenLeft + mOverscanScreenWidth;
3654                        pf.bottom = df.bottom = of.bottom = mOverscanScreenTop
3655                                + mOverscanScreenHeight;
3656                    } else if (canHideNavigationBar()
3657                            && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
3658                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
3659                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
3660                        // Asking for layout as if the nav bar is hidden, lets the
3661                        // application extend into the unrestricted overscan screen area.  We
3662                        // only do this for application windows to ensure no window that
3663                        // can be above the nav bar can do this.
3664                        pf.left = df.left = mOverscanScreenLeft;
3665                        pf.top = df.top = mOverscanScreenTop;
3666                        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
3667                        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
3668                        // We need to tell the app about where the frame inside the overscan
3669                        // is, so it can inset its content by that amount -- it didn't ask
3670                        // to actually extend itself into the overscan region.
3671                        of.left = mUnrestrictedScreenLeft;
3672                        of.top = mUnrestrictedScreenTop;
3673                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3674                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3675                    } else {
3676                        pf.left = df.left = mRestrictedOverscanScreenLeft;
3677                        pf.top = df.top = mRestrictedOverscanScreenTop;
3678                        pf.right = df.right = mRestrictedOverscanScreenLeft
3679                                + mRestrictedOverscanScreenWidth;
3680                        pf.bottom = df.bottom = mRestrictedOverscanScreenTop
3681                                + mRestrictedOverscanScreenHeight;
3682                        // We need to tell the app about where the frame inside the overscan
3683                        // is, so it can inset its content by that amount -- it didn't ask
3684                        // to actually extend itself into the overscan region.
3685                        of.left = mUnrestrictedScreenLeft;
3686                        of.top = mUnrestrictedScreenTop;
3687                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3688                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3689                    }
3690
3691                    if ((fl & FLAG_FULLSCREEN) == 0) {
3692                        if (win.isVoiceInteraction()) {
3693                            cf.left = mVoiceContentLeft;
3694                            cf.top = mVoiceContentTop;
3695                            cf.right = mVoiceContentRight;
3696                            cf.bottom = mVoiceContentBottom;
3697                        } else {
3698                            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
3699                                cf.left = mDockLeft;
3700                                cf.top = mDockTop;
3701                                cf.right = mDockRight;
3702                                cf.bottom = mDockBottom;
3703                            } else {
3704                                cf.left = mContentLeft;
3705                                cf.top = mContentTop;
3706                                cf.right = mContentRight;
3707                                cf.bottom = mContentBottom;
3708                            }
3709                        }
3710                    } else {
3711                        // Full screen windows are always given a layout that is as if the
3712                        // status bar and other transient decors are gone.  This is to avoid
3713                        // bad states when moving from a window that is not hding the
3714                        // status bar to one that is.
3715                        cf.left = mRestrictedScreenLeft;
3716                        cf.top = mRestrictedScreenTop;
3717                        cf.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
3718                        cf.bottom = mRestrictedScreenTop + mRestrictedScreenHeight;
3719                    }
3720                    applyStableConstraints(sysUiFl, fl, cf);
3721                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
3722                        vf.left = mCurLeft;
3723                        vf.top = mCurTop;
3724                        vf.right = mCurRight;
3725                        vf.bottom = mCurBottom;
3726                    } else {
3727                        vf.set(cf);
3728                    }
3729                }
3730            } else if ((fl & FLAG_LAYOUT_IN_SCREEN) != 0 || (sysUiFl
3731                    & (View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
3732                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION)) != 0) {
3733                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
3734                        "): IN_SCREEN");
3735                // A window that has requested to fill the entire screen just
3736                // gets everything, period.
3737                if (attrs.type == TYPE_STATUS_BAR_PANEL
3738                        || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
3739                    pf.left = df.left = of.left = cf.left = hasNavBar
3740                            ? mDockLeft : mUnrestrictedScreenLeft;
3741                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
3742                    pf.right = df.right = of.right = cf.right = hasNavBar
3743                                        ? mRestrictedScreenLeft+mRestrictedScreenWidth
3744                                        : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3745                    pf.bottom = df.bottom = of.bottom = cf.bottom = hasNavBar
3746                                          ? mRestrictedScreenTop+mRestrictedScreenHeight
3747                                          : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3748                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
3749                                    "Laying out IN_SCREEN status bar window: (%d,%d - %d,%d)",
3750                                    pf.left, pf.top, pf.right, pf.bottom));
3751                } else if (attrs.type == TYPE_NAVIGATION_BAR
3752                        || attrs.type == TYPE_NAVIGATION_BAR_PANEL) {
3753                    // The navigation bar has Real Ultimate Power.
3754                    pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3755                    pf.top = df.top = of.top = mUnrestrictedScreenTop;
3756                    pf.right = df.right = of.right = mUnrestrictedScreenLeft
3757                            + mUnrestrictedScreenWidth;
3758                    pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop
3759                            + mUnrestrictedScreenHeight;
3760                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
3761                                    "Laying out navigation bar window: (%d,%d - %d,%d)",
3762                                    pf.left, pf.top, pf.right, pf.bottom));
3763                } else if ((attrs.type == TYPE_SECURE_SYSTEM_OVERLAY
3764                                || attrs.type == TYPE_BOOT_PROGRESS)
3765                        && ((fl & FLAG_FULLSCREEN) != 0)) {
3766                    // Fullscreen secure system overlays get what they ask for.
3767                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3768                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3769                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
3770                            + mOverscanScreenWidth;
3771                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
3772                            + mOverscanScreenHeight;
3773                } else if (attrs.type == TYPE_BOOT_PROGRESS) {
3774                    // Boot progress screen always covers entire display.
3775                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3776                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3777                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
3778                            + mOverscanScreenWidth;
3779                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
3780                            + mOverscanScreenHeight;
3781                } else if (attrs.type == TYPE_WALLPAPER) {
3782                    // The wallpaper also has Real Ultimate Power, but we want to tell
3783                    // it about the overscan area.
3784                    pf.left = df.left = mOverscanScreenLeft;
3785                    pf.top = df.top = mOverscanScreenTop;
3786                    pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
3787                    pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
3788                    of.left = cf.left = mUnrestrictedScreenLeft;
3789                    of.top = cf.top = mUnrestrictedScreenTop;
3790                    of.right = cf.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3791                    of.bottom = cf.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3792                } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
3793                        && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
3794                        && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
3795                    // Asking to layout into the overscan region, so give it that pure
3796                    // unrestricted area.
3797                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3798                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3799                    pf.right = df.right = of.right = cf.right
3800                            = mOverscanScreenLeft + mOverscanScreenWidth;
3801                    pf.bottom = df.bottom = of.bottom = cf.bottom
3802                            = mOverscanScreenTop + mOverscanScreenHeight;
3803                } else if (canHideNavigationBar()
3804                        && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
3805                        && (attrs.type == TYPE_STATUS_BAR
3806                            || attrs.type == TYPE_TOAST
3807                            || (attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
3808                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW))) {
3809                    // Asking for layout as if the nav bar is hidden, lets the
3810                    // application extend into the unrestricted screen area.  We
3811                    // only do this for application windows (or toasts) to ensure no window that
3812                    // can be above the nav bar can do this.
3813                    // XXX This assumes that an app asking for this will also
3814                    // ask for layout in only content.  We can't currently figure out
3815                    // what the screen would be if only laying out to hide the nav bar.
3816                    pf.left = df.left = of.left = cf.left = mUnrestrictedScreenLeft;
3817                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
3818                    pf.right = df.right = of.right = cf.right = mUnrestrictedScreenLeft
3819                            + mUnrestrictedScreenWidth;
3820                    pf.bottom = df.bottom = of.bottom = cf.bottom = mUnrestrictedScreenTop
3821                            + mUnrestrictedScreenHeight;
3822                } else {
3823                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
3824                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
3825                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
3826                            + mRestrictedScreenWidth;
3827                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
3828                            + mRestrictedScreenHeight;
3829                }
3830
3831                applyStableConstraints(sysUiFl, fl, cf);
3832
3833                if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
3834                    vf.left = mCurLeft;
3835                    vf.top = mCurTop;
3836                    vf.right = mCurRight;
3837                    vf.bottom = mCurBottom;
3838                } else {
3839                    vf.set(cf);
3840                }
3841            } else if (attached != null) {
3842                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
3843                        "): attached to " + attached);
3844                // A child window should be placed inside of the same visible
3845                // frame that its parent had.
3846                setAttachedWindowFrames(win, fl, adjust, attached, false, pf, df, of, cf, vf);
3847            } else {
3848                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
3849                        "): normal window");
3850                // Otherwise, a normal window must be placed inside the content
3851                // of all screen decorations.
3852                if (attrs.type == TYPE_STATUS_BAR_PANEL) {
3853                    // Status bar panels are the only windows who can go on top of
3854                    // the status bar.  They are protected by the STATUS_BAR_SERVICE
3855                    // permission, so they have the same privileges as the status
3856                    // bar itself.
3857                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
3858                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
3859                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
3860                            + mRestrictedScreenWidth;
3861                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
3862                            + mRestrictedScreenHeight;
3863                } else if (attrs.type == TYPE_TOAST || attrs.type == TYPE_SYSTEM_ALERT
3864                        || attrs.type == TYPE_VOLUME_OVERLAY) {
3865                    // These dialogs are stable to interim decor changes.
3866                    pf.left = df.left = of.left = cf.left = mStableLeft;
3867                    pf.top = df.top = of.top = cf.top = mStableTop;
3868                    pf.right = df.right = of.right = cf.right = mStableRight;
3869                    pf.bottom = df.bottom = of.bottom = cf.bottom = mStableBottom;
3870                } else {
3871                    pf.left = mContentLeft;
3872                    pf.top = mContentTop;
3873                    pf.right = mContentRight;
3874                    pf.bottom = mContentBottom;
3875                    if (win.isVoiceInteraction()) {
3876                        df.left = of.left = cf.left = mVoiceContentLeft;
3877                        df.top = of.top = cf.top = mVoiceContentTop;
3878                        df.right = of.right = cf.right = mVoiceContentRight;
3879                        df.bottom = of.bottom = cf.bottom = mVoiceContentBottom;
3880                    } else if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
3881                        df.left = of.left = cf.left = mDockLeft;
3882                        df.top = of.top = cf.top = mDockTop;
3883                        df.right = of.right = cf.right = mDockRight;
3884                        df.bottom = of.bottom = cf.bottom = mDockBottom;
3885                    } else {
3886                        df.left = of.left = cf.left = mContentLeft;
3887                        df.top = of.top = cf.top = mContentTop;
3888                        df.right = of.right = cf.right = mContentRight;
3889                        df.bottom = of.bottom = cf.bottom = mContentBottom;
3890                    }
3891                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
3892                        vf.left = mCurLeft;
3893                        vf.top = mCurTop;
3894                        vf.right = mCurRight;
3895                        vf.bottom = mCurBottom;
3896                    } else {
3897                        vf.set(cf);
3898                    }
3899                }
3900            }
3901        }
3902
3903        // TYPE_SYSTEM_ERROR is above the NavigationBar so it can't be allowed to extend over it.
3904        if ((fl & FLAG_LAYOUT_NO_LIMITS) != 0 && attrs.type != TYPE_SYSTEM_ERROR) {
3905            df.left = df.top = -10000;
3906            df.right = df.bottom = 10000;
3907            if (attrs.type != TYPE_WALLPAPER) {
3908                of.left = of.top = cf.left = cf.top = vf.left = vf.top = -10000;
3909                of.right = of.bottom = cf.right = cf.bottom = vf.right = vf.bottom = 10000;
3910            }
3911        }
3912
3913        if (DEBUG_LAYOUT) Slog.v(TAG, "Compute frame " + attrs.getTitle()
3914                + ": sim=#" + Integer.toHexString(sim)
3915                + " attach=" + attached + " type=" + attrs.type
3916                + String.format(" flags=0x%08x", fl)
3917                + " pf=" + pf.toShortString() + " df=" + df.toShortString()
3918                + " of=" + of.toShortString()
3919                + " cf=" + cf.toShortString() + " vf=" + vf.toShortString()
3920                + " dcf=" + dcf.toShortString()
3921                + " sf=" + sf.toShortString());
3922
3923        win.computeFrameLw(pf, df, of, cf, vf, dcf, sf);
3924
3925        // Dock windows carve out the bottom of the screen, so normal windows
3926        // can't appear underneath them.
3927        if (attrs.type == TYPE_INPUT_METHOD && win.isVisibleOrBehindKeyguardLw()
3928                && !win.getGivenInsetsPendingLw()) {
3929            setLastInputMethodWindowLw(null, null);
3930            offsetInputMethodWindowLw(win);
3931        }
3932        if (attrs.type == TYPE_VOICE_INTERACTION && win.isVisibleOrBehindKeyguardLw()
3933                && !win.getGivenInsetsPendingLw()) {
3934            offsetVoiceInputWindowLw(win);
3935        }
3936    }
3937
3938    private void offsetInputMethodWindowLw(WindowState win) {
3939        int top = win.getDisplayFrameLw().top;
3940        top += win.getGivenContentInsetsLw().top;
3941        if (mContentBottom > top) {
3942            mContentBottom = top;
3943        }
3944        if (mVoiceContentBottom > top) {
3945            mVoiceContentBottom = top;
3946        }
3947        top = win.getVisibleFrameLw().top;
3948        top += win.getGivenVisibleInsetsLw().top;
3949        if (mCurBottom > top) {
3950            mCurBottom = top;
3951        }
3952        if (DEBUG_LAYOUT) Slog.v(TAG, "Input method: mDockBottom="
3953                + mDockBottom + " mContentBottom="
3954                + mContentBottom + " mCurBottom=" + mCurBottom);
3955    }
3956
3957    private void offsetVoiceInputWindowLw(WindowState win) {
3958        int top = win.getDisplayFrameLw().top;
3959        top += win.getGivenContentInsetsLw().top;
3960        if (mVoiceContentBottom > top) {
3961            mVoiceContentBottom = top;
3962        }
3963    }
3964
3965    /** {@inheritDoc} */
3966    @Override
3967    public void finishLayoutLw() {
3968        return;
3969    }
3970
3971    /** {@inheritDoc} */
3972    @Override
3973    public void beginPostLayoutPolicyLw(int displayWidth, int displayHeight) {
3974        mTopFullscreenOpaqueWindowState = null;
3975        mAppsToBeHidden.clear();
3976        mAppsThatDismissKeyguard.clear();
3977        mForceStatusBar = false;
3978        mForceStatusBarFromKeyguard = false;
3979        mForcingShowNavBar = false;
3980        mForcingShowNavBarLayer = -1;
3981
3982        mHideLockScreen = false;
3983        mAllowLockscreenWhenOn = false;
3984        mDismissKeyguard = DISMISS_KEYGUARD_NONE;
3985        mShowingLockscreen = false;
3986        mShowingDream = false;
3987        mWinShowWhenLocked = null;
3988        mKeyguardSecure = isKeyguardSecure();
3989        mKeyguardSecureIncludingHidden = mKeyguardSecure
3990                && (mKeyguardDelegate != null && mKeyguardDelegate.isShowing());
3991    }
3992
3993    /** {@inheritDoc} */
3994    @Override
3995    public void applyPostLayoutPolicyLw(WindowState win, WindowManager.LayoutParams attrs) {
3996        if (DEBUG_LAYOUT) Slog.i(TAG, "Win " + win + ": isVisibleOrBehindKeyguardLw="
3997                + win.isVisibleOrBehindKeyguardLw());
3998        final int fl = PolicyControl.getWindowFlags(win, attrs);
3999        if (mTopFullscreenOpaqueWindowState == null
4000                && win.isVisibleLw() && attrs.type == TYPE_INPUT_METHOD) {
4001            mForcingShowNavBar = true;
4002            mForcingShowNavBarLayer = win.getSurfaceLayer();
4003        }
4004        if (attrs.type == TYPE_STATUS_BAR && (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4005            mForceStatusBarFromKeyguard = true;
4006        }
4007        if (mTopFullscreenOpaqueWindowState == null &&
4008                win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()) {
4009            if ((fl & FLAG_FORCE_NOT_FULLSCREEN) != 0) {
4010                if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4011                    mForceStatusBarFromKeyguard = true;
4012                } else {
4013                    mForceStatusBar = true;
4014                }
4015            }
4016            if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4017                mShowingLockscreen = true;
4018            }
4019            boolean appWindow = attrs.type >= FIRST_APPLICATION_WINDOW
4020                    && attrs.type < FIRST_SYSTEM_WINDOW;
4021            if (attrs.type == TYPE_DREAM) {
4022                // If the lockscreen was showing when the dream started then wait
4023                // for the dream to draw before hiding the lockscreen.
4024                if (!mDreamingLockscreen
4025                        || (win.isVisibleLw() && win.hasDrawnLw())) {
4026                    mShowingDream = true;
4027                    appWindow = true;
4028                }
4029            }
4030
4031            final boolean showWhenLocked = (fl & FLAG_SHOW_WHEN_LOCKED) != 0;
4032            final boolean dismissKeyguard = (fl & FLAG_DISMISS_KEYGUARD) != 0;
4033            if (appWindow) {
4034                final IApplicationToken appToken = win.getAppToken();
4035                if (showWhenLocked) {
4036                    // Remove any previous windows with the same appToken.
4037                    mAppsToBeHidden.remove(appToken);
4038                    mAppsThatDismissKeyguard.remove(appToken);
4039                    if (mAppsToBeHidden.isEmpty()) {
4040                        if (dismissKeyguard && !mKeyguardSecure) {
4041                            mAppsThatDismissKeyguard.add(appToken);
4042                        } else {
4043                            mWinShowWhenLocked = win;
4044                            mHideLockScreen = true;
4045                            mForceStatusBarFromKeyguard = false;
4046                        }
4047                    }
4048                } else if (dismissKeyguard) {
4049                    if (mKeyguardSecure) {
4050                        mAppsToBeHidden.add(appToken);
4051                    } else {
4052                        mAppsToBeHidden.remove(appToken);
4053                    }
4054                    mAppsThatDismissKeyguard.add(appToken);
4055                } else {
4056                    mAppsToBeHidden.add(appToken);
4057                }
4058                if (attrs.x == 0 && attrs.y == 0
4059                        && attrs.width == WindowManager.LayoutParams.MATCH_PARENT
4060                        && attrs.height == WindowManager.LayoutParams.MATCH_PARENT) {
4061                    if (DEBUG_LAYOUT) Slog.v(TAG, "Fullscreen window: " + win);
4062                    mTopFullscreenOpaqueWindowState = win;
4063                    if (!mAppsThatDismissKeyguard.isEmpty() &&
4064                            mDismissKeyguard == DISMISS_KEYGUARD_NONE) {
4065                        if (DEBUG_LAYOUT) Slog.v(TAG,
4066                                "Setting mDismissKeyguard true by win " + win);
4067                        mDismissKeyguard = mWinDismissingKeyguard == win ?
4068                                DISMISS_KEYGUARD_CONTINUE : DISMISS_KEYGUARD_START;
4069                        mWinDismissingKeyguard = win;
4070                        mForceStatusBarFromKeyguard = mShowingLockscreen && mKeyguardSecure;
4071                    } else if (mAppsToBeHidden.isEmpty() && showWhenLocked) {
4072                        if (DEBUG_LAYOUT) Slog.v(TAG,
4073                                "Setting mHideLockScreen to true by win " + win);
4074                        mHideLockScreen = true;
4075                        mForceStatusBarFromKeyguard = false;
4076                    }
4077                    if ((fl & FLAG_ALLOW_LOCK_WHILE_SCREEN_ON) != 0) {
4078                        mAllowLockscreenWhenOn = true;
4079                    }
4080                }
4081
4082                if (mWinShowWhenLocked != null &&
4083                        mWinShowWhenLocked.getAppToken() != win.getAppToken()) {
4084                    win.hideLw(false);
4085                }
4086            }
4087        }
4088    }
4089
4090    /** {@inheritDoc} */
4091    @Override
4092    public int finishPostLayoutPolicyLw() {
4093        if (mWinShowWhenLocked != null &&
4094                mWinShowWhenLocked != mTopFullscreenOpaqueWindowState) {
4095            // A dialog is dismissing the keyguard. Put the wallpaper behind it and hide the
4096            // fullscreen window.
4097            // TODO: Make sure FLAG_SHOW_WALLPAPER is restored when dialog is dismissed. Or not.
4098            mWinShowWhenLocked.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
4099            mTopFullscreenOpaqueWindowState.hideLw(false);
4100            mTopFullscreenOpaqueWindowState = mWinShowWhenLocked;
4101        }
4102
4103        int changes = 0;
4104        boolean topIsFullscreen = false;
4105
4106        final WindowManager.LayoutParams lp = (mTopFullscreenOpaqueWindowState != null)
4107                ? mTopFullscreenOpaqueWindowState.getAttrs()
4108                : null;
4109
4110        // If we are not currently showing a dream then remember the current
4111        // lockscreen state.  We will use this to determine whether the dream
4112        // started while the lockscreen was showing and remember this state
4113        // while the dream is showing.
4114        if (!mShowingDream) {
4115            mDreamingLockscreen = mShowingLockscreen;
4116        }
4117
4118        if (mStatusBar != null) {
4119            if (DEBUG_LAYOUT) Slog.i(TAG, "force=" + mForceStatusBar
4120                    + " forcefkg=" + mForceStatusBarFromKeyguard
4121                    + " top=" + mTopFullscreenOpaqueWindowState);
4122            if (mForceStatusBar || mForceStatusBarFromKeyguard) {
4123                if (DEBUG_LAYOUT) Slog.v(TAG, "Showing status bar: forced");
4124                if (mStatusBarController.setBarShowingLw(true)) {
4125                    changes |= FINISH_LAYOUT_REDO_LAYOUT;
4126                }
4127                // Maintain fullscreen layout until incoming animation is complete.
4128                topIsFullscreen = mTopIsFullscreen && mStatusBar.isAnimatingLw();
4129                // Transient status bar on the lockscreen is not allowed
4130                if (mForceStatusBarFromKeyguard && mStatusBarController.isTransientShowing()) {
4131                    mStatusBarController.updateVisibilityLw(false /*transientAllowed*/,
4132                            mLastSystemUiFlags, mLastSystemUiFlags);
4133                }
4134            } else if (mTopFullscreenOpaqueWindowState != null) {
4135                final int fl = PolicyControl.getWindowFlags(null, lp);
4136                if (localLOGV) {
4137                    Slog.d(TAG, "frame: " + mTopFullscreenOpaqueWindowState.getFrameLw()
4138                            + " shown frame: " + mTopFullscreenOpaqueWindowState.getShownFrameLw());
4139                    Slog.d(TAG, "attr: " + mTopFullscreenOpaqueWindowState.getAttrs()
4140                            + " lp.flags=0x" + Integer.toHexString(fl));
4141                }
4142                topIsFullscreen = (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0
4143                        || (mLastSystemUiFlags & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
4144                // The subtle difference between the window for mTopFullscreenOpaqueWindowState
4145                // and mTopIsFullscreen is that mTopIsFullscreen is set only if the window
4146                // has the FLAG_FULLSCREEN set.  Not sure if there is another way that to be the
4147                // case though.
4148                if (mStatusBarController.isTransientShowing()) {
4149                    if (mStatusBarController.setBarShowingLw(true)) {
4150                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4151                    }
4152                } else if (topIsFullscreen) {
4153                    if (DEBUG_LAYOUT) Slog.v(TAG, "** HIDING status bar");
4154                    if (mStatusBarController.setBarShowingLw(false)) {
4155                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4156                    } else {
4157                        if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar already hiding");
4158                    }
4159                } else {
4160                    if (DEBUG_LAYOUT) Slog.v(TAG, "** SHOWING status bar: top is not fullscreen");
4161                    if (mStatusBarController.setBarShowingLw(true)) {
4162                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4163                    }
4164                }
4165            }
4166        }
4167
4168        if (mTopIsFullscreen != topIsFullscreen) {
4169            if (!topIsFullscreen) {
4170                // Force another layout when status bar becomes fully shown.
4171                changes |= FINISH_LAYOUT_REDO_LAYOUT;
4172            }
4173            mTopIsFullscreen = topIsFullscreen;
4174        }
4175
4176        // Hide the key guard if a visible window explicitly specifies that it wants to be
4177        // displayed when the screen is locked.
4178        if (mKeyguardDelegate != null && mStatusBar != null) {
4179            if (localLOGV) Slog.v(TAG, "finishPostLayoutPolicyLw: mHideKeyguard="
4180                    + mHideLockScreen);
4181            if (mDismissKeyguard != DISMISS_KEYGUARD_NONE && !mKeyguardSecure) {
4182                mKeyguardHidden = true;
4183                if (setKeyguardOccludedLw(true)) {
4184                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4185                            | FINISH_LAYOUT_REDO_CONFIG
4186                            | FINISH_LAYOUT_REDO_WALLPAPER;
4187                }
4188                if (mKeyguardDelegate.isShowing()) {
4189                    mHandler.post(new Runnable() {
4190                        @Override
4191                        public void run() {
4192                            mKeyguardDelegate.keyguardDone(false, false);
4193                        }
4194                    });
4195                }
4196            } else if (mHideLockScreen) {
4197                mKeyguardHidden = true;
4198                if (setKeyguardOccludedLw(true)) {
4199                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4200                            | FINISH_LAYOUT_REDO_CONFIG
4201                            | FINISH_LAYOUT_REDO_WALLPAPER;
4202                }
4203            } else if (mDismissKeyguard != DISMISS_KEYGUARD_NONE) {
4204                // This is the case of keyguard isSecure() and not mHideLockScreen.
4205                if (mDismissKeyguard == DISMISS_KEYGUARD_START) {
4206                    // Only launch the next keyguard unlock window once per window.
4207                    mKeyguardHidden = false;
4208                    if (setKeyguardOccludedLw(false)) {
4209                        changes |= FINISH_LAYOUT_REDO_LAYOUT
4210                                | FINISH_LAYOUT_REDO_CONFIG
4211                                | FINISH_LAYOUT_REDO_WALLPAPER;
4212                    }
4213                    mHandler.post(new Runnable() {
4214                        @Override
4215                        public void run() {
4216                            mKeyguardDelegate.dismiss();
4217                        }
4218                    });
4219                }
4220            } else {
4221                mWinDismissingKeyguard = null;
4222                mKeyguardHidden = false;
4223                if (setKeyguardOccludedLw(false)) {
4224                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4225                            | FINISH_LAYOUT_REDO_CONFIG
4226                            | FINISH_LAYOUT_REDO_WALLPAPER;
4227                }
4228            }
4229        }
4230
4231        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
4232            // If the navigation bar has been hidden or shown, we need to do another
4233            // layout pass to update that window.
4234            changes |= FINISH_LAYOUT_REDO_LAYOUT;
4235        }
4236
4237        // update since mAllowLockscreenWhenOn might have changed
4238        updateLockScreenTimeout();
4239        return changes;
4240    }
4241
4242    /**
4243     * Updates the occluded state of the Keyguard.
4244     *
4245     * @return Whether the flags have changed and we have to redo the layout.
4246     */
4247    private boolean setKeyguardOccludedLw(boolean isOccluded) {
4248        boolean wasOccluded = mKeyguardOccluded;
4249        boolean showing = mKeyguardDelegate.isShowing();
4250        if (wasOccluded && !isOccluded && showing) {
4251            mKeyguardOccluded = false;
4252            mKeyguardDelegate.setOccluded(false);
4253            mStatusBar.getAttrs().privateFlags |= PRIVATE_FLAG_KEYGUARD;
4254            mStatusBar.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
4255            return true;
4256        } else if (!wasOccluded && isOccluded && showing) {
4257            mKeyguardOccluded = true;
4258            mKeyguardDelegate.setOccluded(true);
4259            mStatusBar.getAttrs().privateFlags &= ~PRIVATE_FLAG_KEYGUARD;
4260            mStatusBar.getAttrs().flags &= ~FLAG_SHOW_WALLPAPER;
4261            return true;
4262        } else {
4263            return false;
4264        }
4265    }
4266
4267    private boolean isStatusBarKeyguard() {
4268        return mStatusBar != null
4269                && (mStatusBar.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
4270    }
4271
4272    @Override
4273    public boolean allowAppAnimationsLw() {
4274        if (isStatusBarKeyguard() || mShowingDream) {
4275            // If keyguard or dreams is currently visible, no reason to animate behind it.
4276            return false;
4277        }
4278        return true;
4279    }
4280
4281    @Override
4282    public int focusChangedLw(WindowState lastFocus, WindowState newFocus) {
4283        mFocusedWindow = newFocus;
4284        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
4285            // If the navigation bar has been hidden or shown, we need to do another
4286            // layout pass to update that window.
4287            return FINISH_LAYOUT_REDO_LAYOUT;
4288        }
4289        return 0;
4290    }
4291
4292    /** {@inheritDoc} */
4293    @Override
4294    public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
4295        // lid changed state
4296        final int newLidState = lidOpen ? LID_OPEN : LID_CLOSED;
4297        if (newLidState == mLidState) {
4298            return;
4299        }
4300
4301        mLidState = newLidState;
4302        applyLidSwitchState();
4303        updateRotation(true);
4304
4305        if (lidOpen) {
4306            wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromLidSwitch);
4307        } else if (!mLidControlsSleep) {
4308            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
4309        }
4310    }
4311
4312    @Override
4313    public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) {
4314        int lensCoverState = lensCovered ? CAMERA_LENS_COVERED : CAMERA_LENS_UNCOVERED;
4315        if (mCameraLensCoverState == lensCoverState) {
4316            return;
4317        }
4318        if (mCameraLensCoverState == CAMERA_LENS_COVERED &&
4319                lensCoverState == CAMERA_LENS_UNCOVERED) {
4320            Intent intent;
4321            final boolean keyguardActive = mKeyguardDelegate == null ? false :
4322                    mKeyguardDelegate.isShowing();
4323            if (keyguardActive) {
4324                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);
4325            } else {
4326                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
4327            }
4328            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromCameraLens);
4329            mContext.startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
4330        }
4331        mCameraLensCoverState = lensCoverState;
4332    }
4333
4334    void setHdmiPlugged(boolean plugged) {
4335        if (mHdmiPlugged != plugged) {
4336            mHdmiPlugged = plugged;
4337            updateRotation(true, true);
4338            Intent intent = new Intent(ACTION_HDMI_PLUGGED);
4339            intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
4340            intent.putExtra(EXTRA_HDMI_PLUGGED_STATE, plugged);
4341            mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
4342        }
4343    }
4344
4345    void initializeHdmiState() {
4346        boolean plugged = false;
4347        // watch for HDMI plug messages if the hdmi switch exists
4348        if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
4349            mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
4350
4351            final String filename = "/sys/class/switch/hdmi/state";
4352            FileReader reader = null;
4353            try {
4354                reader = new FileReader(filename);
4355                char[] buf = new char[15];
4356                int n = reader.read(buf);
4357                if (n > 1) {
4358                    plugged = 0 != Integer.parseInt(new String(buf, 0, n-1));
4359                }
4360            } catch (IOException ex) {
4361                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
4362            } catch (NumberFormatException ex) {
4363                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
4364            } finally {
4365                if (reader != null) {
4366                    try {
4367                        reader.close();
4368                    } catch (IOException ex) {
4369                    }
4370                }
4371            }
4372        }
4373        // This dance forces the code in setHdmiPlugged to run.
4374        // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
4375        mHdmiPlugged = !plugged;
4376        setHdmiPlugged(!mHdmiPlugged);
4377    }
4378
4379    final Object mScreenshotLock = new Object();
4380    ServiceConnection mScreenshotConnection = null;
4381
4382    final Runnable mScreenshotTimeout = new Runnable() {
4383        @Override public void run() {
4384            synchronized (mScreenshotLock) {
4385                if (mScreenshotConnection != null) {
4386                    mContext.unbindService(mScreenshotConnection);
4387                    mScreenshotConnection = null;
4388                }
4389            }
4390        }
4391    };
4392
4393    // Assume this is called from the Handler thread.
4394    private void takeScreenshot() {
4395        synchronized (mScreenshotLock) {
4396            if (mScreenshotConnection != null) {
4397                return;
4398            }
4399            ComponentName cn = new ComponentName("com.android.systemui",
4400                    "com.android.systemui.screenshot.TakeScreenshotService");
4401            Intent intent = new Intent();
4402            intent.setComponent(cn);
4403            ServiceConnection conn = new ServiceConnection() {
4404                @Override
4405                public void onServiceConnected(ComponentName name, IBinder service) {
4406                    synchronized (mScreenshotLock) {
4407                        if (mScreenshotConnection != this) {
4408                            return;
4409                        }
4410                        Messenger messenger = new Messenger(service);
4411                        Message msg = Message.obtain(null, 1);
4412                        final ServiceConnection myConn = this;
4413                        Handler h = new Handler(mHandler.getLooper()) {
4414                            @Override
4415                            public void handleMessage(Message msg) {
4416                                synchronized (mScreenshotLock) {
4417                                    if (mScreenshotConnection == myConn) {
4418                                        mContext.unbindService(mScreenshotConnection);
4419                                        mScreenshotConnection = null;
4420                                        mHandler.removeCallbacks(mScreenshotTimeout);
4421                                    }
4422                                }
4423                            }
4424                        };
4425                        msg.replyTo = new Messenger(h);
4426                        msg.arg1 = msg.arg2 = 0;
4427                        if (mStatusBar != null && mStatusBar.isVisibleLw())
4428                            msg.arg1 = 1;
4429                        if (mNavigationBar != null && mNavigationBar.isVisibleLw())
4430                            msg.arg2 = 1;
4431                        try {
4432                            messenger.send(msg);
4433                        } catch (RemoteException e) {
4434                        }
4435                    }
4436                }
4437                @Override
4438                public void onServiceDisconnected(ComponentName name) {}
4439            };
4440            if (mContext.bindServiceAsUser(
4441                    intent, conn, Context.BIND_AUTO_CREATE, UserHandle.CURRENT)) {
4442                mScreenshotConnection = conn;
4443                mHandler.postDelayed(mScreenshotTimeout, 10000);
4444            }
4445        }
4446    }
4447
4448    /** {@inheritDoc} */
4449    @Override
4450    public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) {
4451        if (!mSystemBooted) {
4452            // If we have not yet booted, don't let key events do anything.
4453            return 0;
4454        }
4455
4456        final boolean interactive = (policyFlags & FLAG_INTERACTIVE) != 0;
4457        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
4458        final boolean canceled = event.isCanceled();
4459        final int keyCode = event.getKeyCode();
4460
4461        final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;
4462
4463        // If screen is off then we treat the case where the keyguard is open but hidden
4464        // the same as if it were open and in front.
4465        // This will prevent any keys other than the power button from waking the screen
4466        // when the keyguard is hidden by another activity.
4467        final boolean keyguardActive = (mKeyguardDelegate == null ? false :
4468                                            (interactive ?
4469                                                isKeyguardShowingAndNotOccluded() :
4470                                                mKeyguardDelegate.isShowing()));
4471
4472        if (DEBUG_INPUT) {
4473            Log.d(TAG, "interceptKeyTq keycode=" + keyCode
4474                    + " interactive=" + interactive + " keyguardActive=" + keyguardActive
4475                    + " policyFlags=" + Integer.toHexString(policyFlags));
4476        }
4477
4478        // Basic policy based on interactive state.
4479        int result;
4480        boolean isWakeKey = (policyFlags & WindowManagerPolicy.FLAG_WAKE) != 0
4481                || event.isWakeKey();
4482        if (interactive || (isInjected && !isWakeKey)) {
4483            // When the device is interactive or the key is injected pass the
4484            // key to the application.
4485            result = ACTION_PASS_TO_USER;
4486            isWakeKey = false;
4487        } else if (!interactive && shouldDispatchInputWhenNonInteractive()) {
4488            // If we're currently dozing with the screen on and the keyguard showing, pass the key
4489            // to the application but preserve its wake key status to make sure we still move
4490            // from dozing to fully interactive if we would normally go from off to fully
4491            // interactive.
4492            result = ACTION_PASS_TO_USER;
4493        } else {
4494            // When the screen is off and the key is not injected, determine whether
4495            // to wake the device but don't pass the key to the application.
4496            result = 0;
4497            if (isWakeKey && (!down || !isWakeKeyWhenScreenOff(keyCode))) {
4498                isWakeKey = false;
4499            }
4500        }
4501
4502        // If the key would be handled globally, just return the result, don't worry about special
4503        // key processing.
4504        if (isValidGlobalKey(keyCode)
4505                && mGlobalKeyManager.shouldHandleGlobalKey(keyCode, event)) {
4506            if (isWakeKey) {
4507                wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey);
4508            }
4509            return result;
4510        }
4511
4512        boolean useHapticFeedback = down
4513                && (policyFlags & WindowManagerPolicy.FLAG_VIRTUAL) != 0
4514                && event.getRepeatCount() == 0;
4515
4516        // Handle special keys.
4517        switch (keyCode) {
4518            case KeyEvent.KEYCODE_VOLUME_DOWN:
4519            case KeyEvent.KEYCODE_VOLUME_UP:
4520            case KeyEvent.KEYCODE_VOLUME_MUTE: {
4521                if (mUseTvRouting) {
4522                    // On TVs volume keys never go to the foreground app
4523                    result &= ~ACTION_PASS_TO_USER;
4524                }
4525                if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
4526                    if (down) {
4527                        if (interactive && !mScreenshotChordVolumeDownKeyTriggered
4528                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
4529                            mScreenshotChordVolumeDownKeyTriggered = true;
4530                            mScreenshotChordVolumeDownKeyTime = event.getDownTime();
4531                            mScreenshotChordVolumeDownKeyConsumed = false;
4532                            cancelPendingPowerKeyAction();
4533                            interceptScreenshotChord();
4534                        }
4535                    } else {
4536                        mScreenshotChordVolumeDownKeyTriggered = false;
4537                        cancelPendingScreenshotChordAction();
4538                    }
4539                } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
4540                    if (down) {
4541                        if (interactive && !mScreenshotChordVolumeUpKeyTriggered
4542                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
4543                            mScreenshotChordVolumeUpKeyTriggered = true;
4544                            cancelPendingPowerKeyAction();
4545                            cancelPendingScreenshotChordAction();
4546                        }
4547                    } else {
4548                        mScreenshotChordVolumeUpKeyTriggered = false;
4549                        cancelPendingScreenshotChordAction();
4550                    }
4551                }
4552                if (down) {
4553                    TelecomManager telecomManager = getTelecommService();
4554                    if (telecomManager != null) {
4555                        if (telecomManager.isRinging()) {
4556                            // If an incoming call is ringing, either VOLUME key means
4557                            // "silence ringer".  We handle these keys here, rather than
4558                            // in the InCallScreen, to make sure we'll respond to them
4559                            // even if the InCallScreen hasn't come to the foreground yet.
4560                            // Look for the DOWN event here, to agree with the "fallback"
4561                            // behavior in the InCallScreen.
4562                            Log.i(TAG, "interceptKeyBeforeQueueing:"
4563                                  + " VOLUME key-down while ringing: Silence ringer!");
4564
4565                            // Silence the ringer.  (It's safe to call this
4566                            // even if the ringer has already been silenced.)
4567                            telecomManager.silenceRinger();
4568
4569                            // And *don't* pass this key thru to the current activity
4570                            // (which is probably the InCallScreen.)
4571                            result &= ~ACTION_PASS_TO_USER;
4572                            break;
4573                        }
4574                        if (telecomManager.isInCall()
4575                                && (result & ACTION_PASS_TO_USER) == 0) {
4576                            // If we are in call but we decided not to pass the key to
4577                            // the application, just pass it to the session service.
4578
4579                            MediaSessionLegacyHelper.getHelper(mContext)
4580                                    .sendVolumeKeyEvent(event, false);
4581                            break;
4582                        }
4583                    }
4584
4585                    if ((result & ACTION_PASS_TO_USER) == 0) {
4586                        if (mUseTvRouting) {
4587                            dispatchDirectAudioEvent(event);
4588                        } else {
4589                            // If we aren't passing to the user and no one else
4590                            // handled it send it to the session manager to
4591                            // figure out.
4592                            MediaSessionLegacyHelper.getHelper(mContext)
4593                                    .sendVolumeKeyEvent(event, true);
4594                        }
4595                        break;
4596                    }
4597                }
4598                break;
4599            }
4600
4601            case KeyEvent.KEYCODE_ENDCALL: {
4602                result &= ~ACTION_PASS_TO_USER;
4603                if (down) {
4604                    TelecomManager telecomManager = getTelecommService();
4605                    boolean hungUp = false;
4606                    if (telecomManager != null) {
4607                        hungUp = telecomManager.endCall();
4608                    }
4609                    if (interactive && !hungUp) {
4610                        mEndCallKeyHandled = false;
4611                        mHandler.postDelayed(mEndCallLongPress,
4612                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
4613                    } else {
4614                        mEndCallKeyHandled = true;
4615                    }
4616                } else {
4617                    if (!mEndCallKeyHandled) {
4618                        mHandler.removeCallbacks(mEndCallLongPress);
4619                        if (!canceled) {
4620                            if ((mEndcallBehavior
4621                                    & Settings.System.END_BUTTON_BEHAVIOR_HOME) != 0) {
4622                                if (goHome()) {
4623                                    break;
4624                                }
4625                            }
4626                            if ((mEndcallBehavior
4627                                    & Settings.System.END_BUTTON_BEHAVIOR_SLEEP) != 0) {
4628                                mPowerManager.goToSleep(event.getEventTime(),
4629                                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
4630                                isWakeKey = false;
4631                            }
4632                        }
4633                    }
4634                }
4635                break;
4636            }
4637
4638            case KeyEvent.KEYCODE_POWER: {
4639                result &= ~ACTION_PASS_TO_USER;
4640                isWakeKey = false; // wake-up will be handled separately
4641                if (down) {
4642                    interceptPowerKeyDown(event, interactive);
4643                } else {
4644                    interceptPowerKeyUp(event, interactive, canceled);
4645                }
4646                break;
4647            }
4648
4649            case KeyEvent.KEYCODE_SLEEP: {
4650                result &= ~ACTION_PASS_TO_USER;
4651                if (!mPowerManager.isInteractive()) {
4652                    useHapticFeedback = false; // suppress feedback if already non-interactive
4653                }
4654                mPowerManager.goToSleep(event.getEventTime(),
4655                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
4656                isWakeKey = false;
4657                break;
4658            }
4659
4660            case KeyEvent.KEYCODE_WAKEUP: {
4661                result &= ~ACTION_PASS_TO_USER;
4662                isWakeKey = true;
4663                break;
4664            }
4665
4666            case KeyEvent.KEYCODE_MEDIA_PLAY:
4667            case KeyEvent.KEYCODE_MEDIA_PAUSE:
4668            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
4669            case KeyEvent.KEYCODE_HEADSETHOOK:
4670            case KeyEvent.KEYCODE_MUTE:
4671            case KeyEvent.KEYCODE_MEDIA_STOP:
4672            case KeyEvent.KEYCODE_MEDIA_NEXT:
4673            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
4674            case KeyEvent.KEYCODE_MEDIA_REWIND:
4675            case KeyEvent.KEYCODE_MEDIA_RECORD:
4676            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
4677            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: {
4678                if (MediaSessionLegacyHelper.getHelper(mContext).isGlobalPriorityActive()) {
4679                    // If the global session is active pass all media keys to it
4680                    // instead of the active window.
4681                    result &= ~ACTION_PASS_TO_USER;
4682                }
4683                if ((result & ACTION_PASS_TO_USER) == 0) {
4684                    // Only do this if we would otherwise not pass it to the user. In that
4685                    // case, the PhoneWindow class will do the same thing, except it will
4686                    // only do it if the showing app doesn't process the key on its own.
4687                    // Note that we need to make a copy of the key event here because the
4688                    // original key event will be recycled when we return.
4689                    mBroadcastWakeLock.acquire();
4690                    Message msg = mHandler.obtainMessage(MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK,
4691                            new KeyEvent(event));
4692                    msg.setAsynchronous(true);
4693                    msg.sendToTarget();
4694                }
4695                break;
4696            }
4697
4698            case KeyEvent.KEYCODE_CALL: {
4699                if (down) {
4700                    TelecomManager telecomManager = getTelecommService();
4701                    if (telecomManager != null) {
4702                        if (telecomManager.isRinging()) {
4703                            Log.i(TAG, "interceptKeyBeforeQueueing:"
4704                                  + " CALL key-down while ringing: Answer the call!");
4705                            telecomManager.acceptRingingCall();
4706
4707                            // And *don't* pass this key thru to the current activity
4708                            // (which is presumably the InCallScreen.)
4709                            result &= ~ACTION_PASS_TO_USER;
4710                        }
4711                    }
4712                }
4713                break;
4714            }
4715            case KeyEvent.KEYCODE_VOICE_ASSIST: {
4716                // Only do this if we would otherwise not pass it to the user. In that case,
4717                // interceptKeyBeforeDispatching would apply a similar but different policy in
4718                // order to invoke voice assist actions. Note that we need to make a copy of the
4719                // key event here because the original key event will be recycled when we return.
4720                if ((result & ACTION_PASS_TO_USER) == 0 && !down) {
4721                    mBroadcastWakeLock.acquire();
4722                    Message msg = mHandler.obtainMessage(MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK,
4723                            keyguardActive ? 1 : 0, 0);
4724                    msg.setAsynchronous(true);
4725                    msg.sendToTarget();
4726                }
4727            }
4728        }
4729
4730        if (useHapticFeedback) {
4731            performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
4732        }
4733
4734        if (isWakeKey) {
4735            wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey);
4736        }
4737
4738        return result;
4739    }
4740
4741    /**
4742     * Returns true if the key can have global actions attached to it.
4743     * We reserve all power management keys for the system since they require
4744     * very careful handling.
4745     */
4746    private static boolean isValidGlobalKey(int keyCode) {
4747        switch (keyCode) {
4748            case KeyEvent.KEYCODE_POWER:
4749            case KeyEvent.KEYCODE_WAKEUP:
4750            case KeyEvent.KEYCODE_SLEEP:
4751                return false;
4752            default:
4753                return true;
4754        }
4755    }
4756
4757    /**
4758     * When the screen is off we ignore some keys that might otherwise typically
4759     * be considered wake keys.  We filter them out here.
4760     *
4761     * {@link KeyEvent#KEYCODE_POWER} is notably absent from this list because it
4762     * is always considered a wake key.
4763     */
4764    private boolean isWakeKeyWhenScreenOff(int keyCode) {
4765        switch (keyCode) {
4766            // ignore volume keys unless docked
4767            case KeyEvent.KEYCODE_VOLUME_UP:
4768            case KeyEvent.KEYCODE_VOLUME_DOWN:
4769            case KeyEvent.KEYCODE_VOLUME_MUTE:
4770                return mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;
4771
4772            // ignore media and camera keys
4773            case KeyEvent.KEYCODE_MUTE:
4774            case KeyEvent.KEYCODE_HEADSETHOOK:
4775            case KeyEvent.KEYCODE_MEDIA_PLAY:
4776            case KeyEvent.KEYCODE_MEDIA_PAUSE:
4777            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
4778            case KeyEvent.KEYCODE_MEDIA_STOP:
4779            case KeyEvent.KEYCODE_MEDIA_NEXT:
4780            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
4781            case KeyEvent.KEYCODE_MEDIA_REWIND:
4782            case KeyEvent.KEYCODE_MEDIA_RECORD:
4783            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
4784            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK:
4785            case KeyEvent.KEYCODE_CAMERA:
4786                return false;
4787        }
4788        return true;
4789    }
4790
4791
4792    /** {@inheritDoc} */
4793    @Override
4794    public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) {
4795        if ((policyFlags & FLAG_WAKE) != 0) {
4796            if (wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotion)) {
4797                return 0;
4798            }
4799        }
4800
4801        if (shouldDispatchInputWhenNonInteractive()) {
4802            return ACTION_PASS_TO_USER;
4803        }
4804
4805        // If we have not passed the action up and we are in theater mode without dreaming,
4806        // there will be no dream to intercept the touch and wake into ambient.  The device should
4807        // wake up in this case.
4808        if (isTheaterModeEnabled() && (policyFlags & FLAG_WAKE) != 0) {
4809            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotionWhenNotDreaming);
4810        }
4811
4812        return 0;
4813    }
4814
4815    private boolean shouldDispatchInputWhenNonInteractive() {
4816        // Send events to keyguard while the screen is on.
4817        if (isKeyguardShowingAndNotOccluded() && mDisplay != null
4818                && mDisplay.getState() != Display.STATE_OFF) {
4819            return true;
4820        }
4821
4822        // Send events to a dozing dream even if the screen is off since the dream
4823        // is in control of the state of the screen.
4824        IDreamManager dreamManager = getDreamManager();
4825
4826        try {
4827            if (dreamManager != null && dreamManager.isDreaming()) {
4828                return true;
4829            }
4830        } catch (RemoteException e) {
4831            Slog.e(TAG, "RemoteException when checking if dreaming", e);
4832        }
4833
4834        // Otherwise, consume events since the user can't see what is being
4835        // interacted with.
4836        return false;
4837    }
4838
4839    private void dispatchDirectAudioEvent(KeyEvent event) {
4840        if (event.getAction() != KeyEvent.ACTION_DOWN) {
4841            return;
4842        }
4843        int keyCode = event.getKeyCode();
4844        int flags = AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_PLAY_SOUND;
4845        String pkgName = mContext.getOpPackageName();
4846        switch (keyCode) {
4847            case KeyEvent.KEYCODE_VOLUME_UP:
4848                try {
4849                    if (mUseMasterVolume) {
4850                        getAudioService().adjustMasterVolume(AudioManager.ADJUST_RAISE, flags,
4851                                pkgName);
4852                    } else {
4853                        getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_RAISE,
4854                                AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName);
4855                    }
4856                } catch (RemoteException e) {
4857                    Log.e(TAG, "Error dispatching volume up in dispatchTvAudioEvent.", e);
4858                }
4859                break;
4860            case KeyEvent.KEYCODE_VOLUME_DOWN:
4861                try {
4862                    if (mUseMasterVolume) {
4863                        getAudioService().adjustMasterVolume(AudioManager.ADJUST_LOWER, flags,
4864                                pkgName);
4865                    } else {
4866                        getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_LOWER,
4867                                AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName);
4868                    }
4869                } catch (RemoteException e) {
4870                    Log.e(TAG, "Error dispatching volume down in dispatchTvAudioEvent.", e);
4871                }
4872                break;
4873            case KeyEvent.KEYCODE_VOLUME_MUTE:
4874                try {
4875                    if (event.getRepeatCount() == 0) {
4876                        if (mUseMasterVolume) {
4877                            getAudioService().adjustMasterVolume(AudioManager.ADJUST_TOGGLE_MUTE,
4878                                    flags, pkgName);
4879                        } else {
4880                            getAudioService().adjustSuggestedStreamVolume(
4881                                    AudioManager.ADJUST_TOGGLE_MUTE,
4882                                    AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName);
4883                        }
4884                    }
4885                } catch (RemoteException e) {
4886                    Log.e(TAG, "Error dispatching mute in dispatchTvAudioEvent.", e);
4887                }
4888                break;
4889        }
4890    }
4891
4892    void dispatchMediaKeyWithWakeLock(KeyEvent event) {
4893        if (DEBUG_INPUT) {
4894            Slog.d(TAG, "dispatchMediaKeyWithWakeLock: " + event);
4895        }
4896
4897        if (mHavePendingMediaKeyRepeatWithWakeLock) {
4898            if (DEBUG_INPUT) {
4899                Slog.d(TAG, "dispatchMediaKeyWithWakeLock: canceled repeat");
4900            }
4901
4902            mHandler.removeMessages(MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK);
4903            mHavePendingMediaKeyRepeatWithWakeLock = false;
4904            mBroadcastWakeLock.release(); // pending repeat was holding onto the wake lock
4905        }
4906
4907        dispatchMediaKeyWithWakeLockToAudioService(event);
4908
4909        if (event.getAction() == KeyEvent.ACTION_DOWN
4910                && event.getRepeatCount() == 0) {
4911            mHavePendingMediaKeyRepeatWithWakeLock = true;
4912
4913            Message msg = mHandler.obtainMessage(
4914                    MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK, event);
4915            msg.setAsynchronous(true);
4916            mHandler.sendMessageDelayed(msg, ViewConfiguration.getKeyRepeatTimeout());
4917        } else {
4918            mBroadcastWakeLock.release();
4919        }
4920    }
4921
4922    void dispatchMediaKeyRepeatWithWakeLock(KeyEvent event) {
4923        mHavePendingMediaKeyRepeatWithWakeLock = false;
4924
4925        KeyEvent repeatEvent = KeyEvent.changeTimeRepeat(event,
4926                SystemClock.uptimeMillis(), 1, event.getFlags() | KeyEvent.FLAG_LONG_PRESS);
4927        if (DEBUG_INPUT) {
4928            Slog.d(TAG, "dispatchMediaKeyRepeatWithWakeLock: " + repeatEvent);
4929        }
4930
4931        dispatchMediaKeyWithWakeLockToAudioService(repeatEvent);
4932        mBroadcastWakeLock.release();
4933    }
4934
4935    void dispatchMediaKeyWithWakeLockToAudioService(KeyEvent event) {
4936        if (ActivityManagerNative.isSystemReady()) {
4937            MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(event, true);
4938        }
4939    }
4940
4941    void launchVoiceAssistWithWakeLock(boolean keyguardActive) {
4942        Intent voiceIntent =
4943            new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
4944        voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, keyguardActive);
4945        mContext.startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
4946        mBroadcastWakeLock.release();
4947    }
4948
4949    BroadcastReceiver mDockReceiver = new BroadcastReceiver() {
4950        @Override
4951        public void onReceive(Context context, Intent intent) {
4952            if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
4953                mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
4954                        Intent.EXTRA_DOCK_STATE_UNDOCKED);
4955            } else {
4956                try {
4957                    IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
4958                            ServiceManager.getService(Context.UI_MODE_SERVICE));
4959                    mUiMode = uiModeService.getCurrentModeType();
4960                } catch (RemoteException e) {
4961                }
4962            }
4963            updateRotation(true);
4964            synchronized (mLock) {
4965                updateOrientationListenerLp();
4966            }
4967        }
4968    };
4969
4970    BroadcastReceiver mDreamReceiver = new BroadcastReceiver() {
4971        @Override
4972        public void onReceive(Context context, Intent intent) {
4973            if (Intent.ACTION_DREAMING_STARTED.equals(intent.getAction())) {
4974                if (mKeyguardDelegate != null) {
4975                    mKeyguardDelegate.onDreamingStarted();
4976                }
4977            } else if (Intent.ACTION_DREAMING_STOPPED.equals(intent.getAction())) {
4978                if (mKeyguardDelegate != null) {
4979                    mKeyguardDelegate.onDreamingStopped();
4980                }
4981            }
4982        }
4983    };
4984
4985    BroadcastReceiver mMultiuserReceiver = new BroadcastReceiver() {
4986        @Override
4987        public void onReceive(Context context, Intent intent) {
4988            if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) {
4989                // tickle the settings observer: this first ensures that we're
4990                // observing the relevant settings for the newly-active user,
4991                // and then updates our own bookkeeping based on the now-
4992                // current user.
4993                mSettingsObserver.onChange(false);
4994
4995                // force a re-application of focused window sysui visibility.
4996                // the window may never have been shown for this user
4997                // e.g. the keyguard when going through the new-user setup flow
4998                synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
4999                    mLastSystemUiFlags = 0;
5000                    updateSystemUiVisibilityLw();
5001                }
5002            }
5003        }
5004    };
5005
5006    private final Runnable mRequestTransientNav = new Runnable() {
5007        @Override
5008        public void run() {
5009            requestTransientBars(mNavigationBar);
5010        }
5011    };
5012
5013    private void requestTransientBars(WindowState swipeTarget) {
5014        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5015            if (!isUserSetupComplete()) {
5016                // Swipe-up for navigation bar is disabled during setup
5017                return;
5018            }
5019            boolean sb = mStatusBarController.checkShowTransientBarLw();
5020            boolean nb = mNavigationBarController.checkShowTransientBarLw();
5021            if (sb || nb) {
5022                WindowState barTarget = sb ? mStatusBar : mNavigationBar;
5023                if (sb ^ nb && barTarget != swipeTarget) {
5024                    if (DEBUG) Slog.d(TAG, "Not showing transient bar, wrong swipe target");
5025                    return;
5026                }
5027                if (sb) mStatusBarController.showTransient();
5028                if (nb) mNavigationBarController.showTransient();
5029                mImmersiveModeConfirmation.confirmCurrentPrompt();
5030                updateSystemUiVisibilityLw();
5031            }
5032        }
5033    }
5034
5035    // Called on the PowerManager's Notifier thread.
5036    @Override
5037    public void goingToSleep(int why) {
5038        EventLog.writeEvent(70000, 0);
5039        if (DEBUG_WAKEUP) Slog.i(TAG, "Going to sleep...");
5040
5041        // We must get this work done here because the power manager will drop
5042        // the wake lock and let the system suspend once this function returns.
5043        synchronized (mLock) {
5044            mAwake = false;
5045            mKeyguardDrawComplete = false;
5046            updateWakeGestureListenerLp();
5047            updateOrientationListenerLp();
5048            updateLockScreenTimeout();
5049        }
5050
5051        if (mKeyguardDelegate != null) {
5052            mKeyguardDelegate.onScreenTurnedOff(why);
5053        }
5054    }
5055
5056    private void wakeUpFromPowerKey(long eventTime) {
5057        wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey);
5058    }
5059
5060    private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode) {
5061        if (!wakeInTheaterMode && isTheaterModeEnabled()) {
5062            return false;
5063        }
5064
5065        mPowerManager.wakeUp(wakeTime);
5066        return true;
5067    }
5068
5069    // Called on the PowerManager's Notifier thread.
5070    @Override
5071    public void wakingUp() {
5072        EventLog.writeEvent(70000, 1);
5073        if (DEBUG_WAKEUP) Slog.i(TAG, "Waking up...");
5074
5075        // Since goToSleep performs these functions synchronously, we must
5076        // do the same here.  We cannot post this work to a handler because
5077        // that might cause it to become reordered with respect to what
5078        // may happen in a future call to goToSleep.
5079        synchronized (mLock) {
5080            mAwake = true;
5081            mKeyguardDrawComplete = false;
5082            if (mKeyguardDelegate != null) {
5083                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
5084                mHandler.sendEmptyMessageDelayed(MSG_KEYGUARD_DRAWN_TIMEOUT, 1000);
5085            }
5086
5087            updateWakeGestureListenerLp();
5088            updateOrientationListenerLp();
5089            updateLockScreenTimeout();
5090        }
5091
5092        if (mKeyguardDelegate != null) {
5093            mKeyguardDelegate.onScreenTurnedOn(mKeyguardDelegateCallback);
5094            // ... eventually calls finishKeyguardDrawn
5095        } else {
5096            if (DEBUG_WAKEUP) Slog.d(TAG, "null mKeyguardDelegate: setting mKeyguardDrawComplete.");
5097            finishKeyguardDrawn();
5098        }
5099    }
5100
5101    private void finishKeyguardDrawn() {
5102        synchronized (mLock) {
5103            if (!mAwake || mKeyguardDrawComplete) {
5104                return; // spurious
5105            }
5106
5107            mKeyguardDrawComplete = true;
5108            if (mKeyguardDelegate != null) {
5109                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
5110            }
5111        }
5112
5113        finishScreenTurningOn();
5114    }
5115
5116    // Called on the DisplayManager's DisplayPowerController thread.
5117    @Override
5118    public void screenTurnedOff() {
5119        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turned off...");
5120
5121        synchronized (mLock) {
5122            mScreenOnEarly = false;
5123            mScreenOnFully = false;
5124            mWindowManagerDrawComplete = false;
5125            mScreenOnListener = null;
5126            updateOrientationListenerLp();
5127        }
5128    }
5129
5130    // Called on the DisplayManager's DisplayPowerController thread.
5131    @Override
5132    public void screenTurningOn(final ScreenOnListener screenOnListener) {
5133        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turning on...");
5134
5135        synchronized (mLock) {
5136            mScreenOnEarly = true;
5137            mScreenOnFully = false;
5138            mWindowManagerDrawComplete = false;
5139            mScreenOnListener = screenOnListener;
5140            updateOrientationListenerLp();
5141        }
5142
5143        mWindowManagerInternal.waitForAllWindowsDrawn(mWindowManagerDrawCallback,
5144                WAITING_FOR_DRAWN_TIMEOUT);
5145        // ... eventually calls finishWindowsDrawn
5146    }
5147
5148    private void finishWindowsDrawn() {
5149        synchronized (mLock) {
5150            if (!mScreenOnEarly || mWindowManagerDrawComplete) {
5151                return; // spurious
5152            }
5153
5154            mWindowManagerDrawComplete = true;
5155        }
5156
5157        finishScreenTurningOn();
5158    }
5159
5160    private void finishScreenTurningOn() {
5161        final ScreenOnListener listener;
5162        final boolean enableScreen;
5163        synchronized (mLock) {
5164            if (DEBUG_WAKEUP) Slog.d(TAG,
5165                    "finishScreenTurningOn: mAwake=" + mAwake
5166                            + ", mScreenOnEarly=" + mScreenOnEarly
5167                            + ", mScreenOnFully=" + mScreenOnFully
5168                            + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
5169                            + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
5170
5171            if (mScreenOnFully || !mScreenOnEarly || !mWindowManagerDrawComplete
5172                    || (mAwake && !mKeyguardDrawComplete)) {
5173                return; // spurious or not ready yet
5174            }
5175
5176            if (DEBUG_WAKEUP) Slog.i(TAG, "Finished screen turning on...");
5177            listener = mScreenOnListener;
5178            mScreenOnListener = null;
5179            mScreenOnFully = true;
5180
5181            // Remember the first time we draw the keyguard so we know when we're done with
5182            // the main part of booting and can enable the screen and hide boot messages.
5183            if (!mKeyguardDrawnOnce && mAwake) {
5184                mKeyguardDrawnOnce = true;
5185                enableScreen = true;
5186                if (mBootMessageNeedsHiding) {
5187                    mBootMessageNeedsHiding = false;
5188                    hideBootMessages();
5189                }
5190            } else {
5191                enableScreen = false;
5192            }
5193        }
5194
5195        if (listener != null) {
5196            listener.onScreenOn();
5197        }
5198
5199        if (enableScreen) {
5200            try {
5201                mWindowManager.enableScreenIfNeeded();
5202            } catch (RemoteException unhandled) {
5203            }
5204        }
5205    }
5206
5207    private void handleHideBootMessage() {
5208        synchronized (mLock) {
5209            if (!mKeyguardDrawnOnce) {
5210                mBootMessageNeedsHiding = true;
5211                return; // keyguard hasn't drawn the first time yet, not done booting
5212            }
5213        }
5214
5215        if (mBootMsgDialog != null) {
5216            if (DEBUG_WAKEUP) Slog.d(TAG, "handleHideBootMessage: dismissing");
5217            mBootMsgDialog.dismiss();
5218            mBootMsgDialog = null;
5219        }
5220    }
5221
5222    @Override
5223    public boolean isScreenOn() {
5224        return mScreenOnFully;
5225    }
5226
5227    /** {@inheritDoc} */
5228    @Override
5229    public void enableKeyguard(boolean enabled) {
5230        if (mKeyguardDelegate != null) {
5231            mKeyguardDelegate.setKeyguardEnabled(enabled);
5232        }
5233    }
5234
5235    /** {@inheritDoc} */
5236    @Override
5237    public void exitKeyguardSecurely(OnKeyguardExitResult callback) {
5238        if (mKeyguardDelegate != null) {
5239            mKeyguardDelegate.verifyUnlock(callback);
5240        }
5241    }
5242
5243    private boolean isKeyguardShowingAndNotOccluded() {
5244        if (mKeyguardDelegate == null) return false;
5245        return mKeyguardDelegate.isShowing() && !mKeyguardOccluded;
5246    }
5247
5248    /** {@inheritDoc} */
5249    @Override
5250    public boolean isKeyguardLocked() {
5251        return keyguardOn();
5252    }
5253
5254    /** {@inheritDoc} */
5255    @Override
5256    public boolean isKeyguardSecure() {
5257        if (mKeyguardDelegate == null) return false;
5258        return mKeyguardDelegate.isSecure();
5259    }
5260
5261    /** {@inheritDoc} */
5262    @Override
5263    public boolean inKeyguardRestrictedKeyInputMode() {
5264        if (mKeyguardDelegate == null) return false;
5265        return mKeyguardDelegate.isInputRestricted();
5266    }
5267
5268    @Override
5269    public void dismissKeyguardLw() {
5270        if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
5271            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.dismissKeyguardLw");
5272            mHandler.post(new Runnable() {
5273                @Override
5274                public void run() {
5275                    // ask the keyguard to prompt the user to authenticate if necessary
5276                    mKeyguardDelegate.dismiss();
5277                }
5278            });
5279        }
5280    }
5281
5282    public void notifyActivityDrawnForKeyguardLw() {
5283        if (mKeyguardDelegate != null) {
5284            mHandler.post(new Runnable() {
5285                @Override
5286                public void run() {
5287                    mKeyguardDelegate.onActivityDrawn();
5288                }
5289            });
5290        }
5291    }
5292
5293    @Override
5294    public boolean isKeyguardDrawnLw() {
5295        synchronized (mLock) {
5296            return mKeyguardDrawnOnce;
5297        }
5298    }
5299
5300    @Override
5301    public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
5302        if (mKeyguardDelegate != null) {
5303            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.startKeyguardExitAnimation");
5304            mKeyguardDelegate.startKeyguardExitAnimation(startTime, fadeoutDuration);
5305        }
5306    }
5307
5308    void sendCloseSystemWindows() {
5309        PhoneWindow.sendCloseSystemWindows(mContext, null);
5310    }
5311
5312    void sendCloseSystemWindows(String reason) {
5313        PhoneWindow.sendCloseSystemWindows(mContext, reason);
5314    }
5315
5316    @Override
5317    public int rotationForOrientationLw(int orientation, int lastRotation) {
5318        if (false) {
5319            Slog.v(TAG, "rotationForOrientationLw(orient="
5320                        + orientation + ", last=" + lastRotation
5321                        + "); user=" + mUserRotation + " "
5322                        + ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED)
5323                            ? "USER_ROTATION_LOCKED" : "")
5324                        );
5325        }
5326
5327        if (mForceDefaultOrientation) {
5328            return Surface.ROTATION_0;
5329        }
5330
5331        synchronized (mLock) {
5332            int sensorRotation = mOrientationListener.getProposedRotation(); // may be -1
5333            if (sensorRotation < 0) {
5334                sensorRotation = lastRotation;
5335            }
5336
5337            final int preferredRotation;
5338            if (mLidState == LID_OPEN && mLidOpenRotation >= 0) {
5339                // Ignore sensor when lid switch is open and rotation is forced.
5340                preferredRotation = mLidOpenRotation;
5341            } else if (mDockMode == Intent.EXTRA_DOCK_STATE_CAR
5342                    && (mCarDockEnablesAccelerometer || mCarDockRotation >= 0)) {
5343                // Ignore sensor when in car dock unless explicitly enabled.
5344                // This case can override the behavior of NOSENSOR, and can also
5345                // enable 180 degree rotation while docked.
5346                preferredRotation = mCarDockEnablesAccelerometer
5347                        ? sensorRotation : mCarDockRotation;
5348            } else if ((mDockMode == Intent.EXTRA_DOCK_STATE_DESK
5349                    || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
5350                    || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK)
5351                    && (mDeskDockEnablesAccelerometer || mDeskDockRotation >= 0)) {
5352                // Ignore sensor when in desk dock unless explicitly enabled.
5353                // This case can override the behavior of NOSENSOR, and can also
5354                // enable 180 degree rotation while docked.
5355                preferredRotation = mDeskDockEnablesAccelerometer
5356                        ? sensorRotation : mDeskDockRotation;
5357            } else if (mHdmiPlugged && mDemoHdmiRotationLock) {
5358                // Ignore sensor when plugged into HDMI when demo HDMI rotation lock enabled.
5359                // Note that the dock orientation overrides the HDMI orientation.
5360                preferredRotation = mDemoHdmiRotation;
5361            } else if (mHdmiPlugged && mDockMode == Intent.EXTRA_DOCK_STATE_UNDOCKED
5362                    && mUndockedHdmiRotation >= 0) {
5363                // Ignore sensor when plugged into HDMI and an undocked orientation has
5364                // been specified in the configuration (only for legacy devices without
5365                // full multi-display support).
5366                // Note that the dock orientation overrides the HDMI orientation.
5367                preferredRotation = mUndockedHdmiRotation;
5368            } else if (mDemoRotationLock) {
5369                // Ignore sensor when demo rotation lock is enabled.
5370                // Note that the dock orientation and HDMI rotation lock override this.
5371                preferredRotation = mDemoRotation;
5372            } else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {
5373                // Application just wants to remain locked in the last rotation.
5374                preferredRotation = lastRotation;
5375            } else if (!mSupportAutoRotation) {
5376                // If we don't support auto-rotation then bail out here and ignore
5377                // the sensor and any rotation lock settings.
5378                preferredRotation = -1;
5379            } else if ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE
5380                            && (orientation == ActivityInfo.SCREEN_ORIENTATION_USER
5381                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
5382                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
5383                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT
5384                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER))
5385                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
5386                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
5387                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE
5388                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) {
5389                // Otherwise, use sensor only if requested by the application or enabled
5390                // by default for USER or UNSPECIFIED modes.  Does not apply to NOSENSOR.
5391                if (mAllowAllRotations < 0) {
5392                    // Can't read this during init() because the context doesn't
5393                    // have display metrics at that time so we cannot determine
5394                    // tablet vs. phone then.
5395                    mAllowAllRotations = mContext.getResources().getBoolean(
5396                            com.android.internal.R.bool.config_allowAllRotations) ? 1 : 0;
5397                }
5398                if (sensorRotation != Surface.ROTATION_180
5399                        || mAllowAllRotations == 1
5400                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
5401                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER) {
5402                    preferredRotation = sensorRotation;
5403                } else {
5404                    preferredRotation = lastRotation;
5405                }
5406            } else if (mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED
5407                    && orientation != ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
5408                // Apply rotation lock.  Does not apply to NOSENSOR.
5409                // The idea is that the user rotation expresses a weak preference for the direction
5410                // of gravity and as NOSENSOR is never affected by gravity, then neither should
5411                // NOSENSOR be affected by rotation lock (although it will be affected by docks).
5412                preferredRotation = mUserRotation;
5413            } else {
5414                // No overriding preference.
5415                // We will do exactly what the application asked us to do.
5416                preferredRotation = -1;
5417            }
5418
5419            switch (orientation) {
5420                case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
5421                    // Return portrait unless overridden.
5422                    if (isAnyPortrait(preferredRotation)) {
5423                        return preferredRotation;
5424                    }
5425                    return mPortraitRotation;
5426
5427                case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
5428                    // Return landscape unless overridden.
5429                    if (isLandscapeOrSeascape(preferredRotation)) {
5430                        return preferredRotation;
5431                    }
5432                    return mLandscapeRotation;
5433
5434                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
5435                    // Return reverse portrait unless overridden.
5436                    if (isAnyPortrait(preferredRotation)) {
5437                        return preferredRotation;
5438                    }
5439                    return mUpsideDownRotation;
5440
5441                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
5442                    // Return seascape unless overridden.
5443                    if (isLandscapeOrSeascape(preferredRotation)) {
5444                        return preferredRotation;
5445                    }
5446                    return mSeascapeRotation;
5447
5448                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
5449                case ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE:
5450                    // Return either landscape rotation.
5451                    if (isLandscapeOrSeascape(preferredRotation)) {
5452                        return preferredRotation;
5453                    }
5454                    if (isLandscapeOrSeascape(lastRotation)) {
5455                        return lastRotation;
5456                    }
5457                    return mLandscapeRotation;
5458
5459                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
5460                case ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT:
5461                    // Return either portrait rotation.
5462                    if (isAnyPortrait(preferredRotation)) {
5463                        return preferredRotation;
5464                    }
5465                    if (isAnyPortrait(lastRotation)) {
5466                        return lastRotation;
5467                    }
5468                    return mPortraitRotation;
5469
5470                default:
5471                    // For USER, UNSPECIFIED, NOSENSOR, SENSOR and FULL_SENSOR,
5472                    // just return the preferred orientation we already calculated.
5473                    if (preferredRotation >= 0) {
5474                        return preferredRotation;
5475                    }
5476                    return Surface.ROTATION_0;
5477            }
5478        }
5479    }
5480
5481    @Override
5482    public boolean rotationHasCompatibleMetricsLw(int orientation, int rotation) {
5483        switch (orientation) {
5484            case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
5485            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
5486            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
5487                return isAnyPortrait(rotation);
5488
5489            case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
5490            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
5491            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
5492                return isLandscapeOrSeascape(rotation);
5493
5494            default:
5495                return true;
5496        }
5497    }
5498
5499    @Override
5500    public void setRotationLw(int rotation) {
5501        mOrientationListener.setCurrentRotation(rotation);
5502    }
5503
5504    private boolean isLandscapeOrSeascape(int rotation) {
5505        return rotation == mLandscapeRotation || rotation == mSeascapeRotation;
5506    }
5507
5508    private boolean isAnyPortrait(int rotation) {
5509        return rotation == mPortraitRotation || rotation == mUpsideDownRotation;
5510    }
5511
5512    @Override
5513    public int getUserRotationMode() {
5514        return Settings.System.getIntForUser(mContext.getContentResolver(),
5515                Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
5516                        WindowManagerPolicy.USER_ROTATION_FREE :
5517                                WindowManagerPolicy.USER_ROTATION_LOCKED;
5518    }
5519
5520    // User rotation: to be used when all else fails in assigning an orientation to the device
5521    @Override
5522    public void setUserRotationMode(int mode, int rot) {
5523        ContentResolver res = mContext.getContentResolver();
5524
5525        // mUserRotationMode and mUserRotation will be assigned by the content observer
5526        if (mode == WindowManagerPolicy.USER_ROTATION_LOCKED) {
5527            Settings.System.putIntForUser(res,
5528                    Settings.System.USER_ROTATION,
5529                    rot,
5530                    UserHandle.USER_CURRENT);
5531            Settings.System.putIntForUser(res,
5532                    Settings.System.ACCELEROMETER_ROTATION,
5533                    0,
5534                    UserHandle.USER_CURRENT);
5535        } else {
5536            Settings.System.putIntForUser(res,
5537                    Settings.System.ACCELEROMETER_ROTATION,
5538                    1,
5539                    UserHandle.USER_CURRENT);
5540        }
5541    }
5542
5543    @Override
5544    public void setSafeMode(boolean safeMode) {
5545        mSafeMode = safeMode;
5546        performHapticFeedbackLw(null, safeMode
5547                ? HapticFeedbackConstants.SAFE_MODE_ENABLED
5548                : HapticFeedbackConstants.SAFE_MODE_DISABLED, true);
5549    }
5550
5551    static long[] getLongIntArray(Resources r, int resid) {
5552        int[] ar = r.getIntArray(resid);
5553        if (ar == null) {
5554            return null;
5555        }
5556        long[] out = new long[ar.length];
5557        for (int i=0; i<ar.length; i++) {
5558            out[i] = ar[i];
5559        }
5560        return out;
5561    }
5562
5563    /** {@inheritDoc} */
5564    @Override
5565    public void systemReady() {
5566        mKeyguardDelegate = new KeyguardServiceDelegate(mContext);
5567        mKeyguardDelegate.onSystemReady();
5568
5569        readCameraLensCoverState();
5570        updateUiMode();
5571        synchronized (mLock) {
5572            updateOrientationListenerLp();
5573            mSystemReady = true;
5574            mHandler.post(new Runnable() {
5575                @Override
5576                public void run() {
5577                    updateSettings();
5578                }
5579            });
5580        }
5581    }
5582
5583    /** {@inheritDoc} */
5584    @Override
5585    public void systemBooted() {
5586        if (mKeyguardDelegate != null) {
5587            mKeyguardDelegate.bindService(mContext);
5588            mKeyguardDelegate.onBootCompleted();
5589        }
5590        synchronized (mLock) {
5591            mSystemBooted = true;
5592        }
5593        wakingUp();
5594        screenTurningOn(null);
5595    }
5596
5597    ProgressDialog mBootMsgDialog = null;
5598
5599    /** {@inheritDoc} */
5600    @Override
5601    public void showBootMessage(final CharSequence msg, final boolean always) {
5602        mHandler.post(new Runnable() {
5603            @Override public void run() {
5604                if (mBootMsgDialog == null) {
5605                    int theme;
5606                    if (mContext.getPackageManager().hasSystemFeature(
5607                            PackageManager.FEATURE_WATCH)) {
5608                        theme = com.android.internal.R.style.Theme_Micro_Dialog_Alert;
5609                    } else if (mContext.getPackageManager().hasSystemFeature(
5610                            PackageManager.FEATURE_TELEVISION)) {
5611                        theme = com.android.internal.R.style.Theme_Leanback_Dialog_Alert;
5612                    } else {
5613                        theme = 0;
5614                    }
5615
5616                    mBootMsgDialog = new ProgressDialog(mContext, theme) {
5617                        // This dialog will consume all events coming in to
5618                        // it, to avoid it trying to do things too early in boot.
5619                        @Override public boolean dispatchKeyEvent(KeyEvent event) {
5620                            return true;
5621                        }
5622                        @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
5623                            return true;
5624                        }
5625                        @Override public boolean dispatchTouchEvent(MotionEvent ev) {
5626                            return true;
5627                        }
5628                        @Override public boolean dispatchTrackballEvent(MotionEvent ev) {
5629                            return true;
5630                        }
5631                        @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) {
5632                            return true;
5633                        }
5634                        @Override public boolean dispatchPopulateAccessibilityEvent(
5635                                AccessibilityEvent event) {
5636                            return true;
5637                        }
5638                    };
5639                    if (mContext.getPackageManager().isUpgrade()) {
5640                        mBootMsgDialog.setTitle(R.string.android_upgrading_title);
5641                    } else {
5642                        mBootMsgDialog.setTitle(R.string.android_start_title);
5643                    }
5644                    mBootMsgDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
5645                    mBootMsgDialog.setIndeterminate(true);
5646                    mBootMsgDialog.getWindow().setType(
5647                            WindowManager.LayoutParams.TYPE_BOOT_PROGRESS);
5648                    mBootMsgDialog.getWindow().addFlags(
5649                            WindowManager.LayoutParams.FLAG_DIM_BEHIND
5650                            | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
5651                    mBootMsgDialog.getWindow().setDimAmount(1);
5652                    WindowManager.LayoutParams lp = mBootMsgDialog.getWindow().getAttributes();
5653                    lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
5654                    mBootMsgDialog.getWindow().setAttributes(lp);
5655                    mBootMsgDialog.setCancelable(false);
5656                    mBootMsgDialog.show();
5657                }
5658                mBootMsgDialog.setMessage(msg);
5659            }
5660        });
5661    }
5662
5663    /** {@inheritDoc} */
5664    @Override
5665    public void hideBootMessages() {
5666        mHandler.sendEmptyMessage(MSG_HIDE_BOOT_MESSAGE);
5667    }
5668
5669    /** {@inheritDoc} */
5670    @Override
5671    public void userActivity() {
5672        // ***************************************
5673        // NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
5674        // ***************************************
5675        // THIS IS CALLED FROM DEEP IN THE POWER MANAGER
5676        // WITH ITS LOCKS HELD.
5677        //
5678        // This code must be VERY careful about the locks
5679        // it acquires.
5680        // In fact, the current code acquires way too many,
5681        // and probably has lurking deadlocks.
5682
5683        synchronized (mScreenLockTimeout) {
5684            if (mLockScreenTimerActive) {
5685                // reset the timer
5686                mHandler.removeCallbacks(mScreenLockTimeout);
5687                mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
5688            }
5689        }
5690    }
5691
5692    class ScreenLockTimeout implements Runnable {
5693        Bundle options;
5694
5695        @Override
5696        public void run() {
5697            synchronized (this) {
5698                if (localLOGV) Log.v(TAG, "mScreenLockTimeout activating keyguard");
5699                if (mKeyguardDelegate != null) {
5700                    mKeyguardDelegate.doKeyguardTimeout(options);
5701                }
5702                mLockScreenTimerActive = false;
5703                options = null;
5704            }
5705        }
5706
5707        public void setLockOptions(Bundle options) {
5708            this.options = options;
5709        }
5710    }
5711
5712    ScreenLockTimeout mScreenLockTimeout = new ScreenLockTimeout();
5713
5714    @Override
5715    public void lockNow(Bundle options) {
5716        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);
5717        mHandler.removeCallbacks(mScreenLockTimeout);
5718        if (options != null) {
5719            // In case multiple calls are made to lockNow, we don't wipe out the options
5720            // until the runnable actually executes.
5721            mScreenLockTimeout.setLockOptions(options);
5722        }
5723        mHandler.post(mScreenLockTimeout);
5724    }
5725
5726    private void updateLockScreenTimeout() {
5727        synchronized (mScreenLockTimeout) {
5728            boolean enable = (mAllowLockscreenWhenOn && mAwake &&
5729                    mKeyguardDelegate != null && mKeyguardDelegate.isSecure());
5730            if (mLockScreenTimerActive != enable) {
5731                if (enable) {
5732                    if (localLOGV) Log.v(TAG, "setting lockscreen timer");
5733                    mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
5734                } else {
5735                    if (localLOGV) Log.v(TAG, "clearing lockscreen timer");
5736                    mHandler.removeCallbacks(mScreenLockTimeout);
5737                }
5738                mLockScreenTimerActive = enable;
5739            }
5740        }
5741    }
5742
5743    /** {@inheritDoc} */
5744    @Override
5745    public void enableScreenAfterBoot() {
5746        readLidState();
5747        applyLidSwitchState();
5748        updateRotation(true);
5749    }
5750
5751    private void applyLidSwitchState() {
5752        if (mLidState == LID_CLOSED && mLidControlsSleep) {
5753            mPowerManager.goToSleep(SystemClock.uptimeMillis(),
5754                    PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH,
5755                    PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
5756        }
5757
5758        synchronized (mLock) {
5759            updateWakeGestureListenerLp();
5760        }
5761    }
5762
5763    void updateUiMode() {
5764        if (mUiModeManager == null) {
5765            mUiModeManager = IUiModeManager.Stub.asInterface(
5766                    ServiceManager.getService(Context.UI_MODE_SERVICE));
5767        }
5768        try {
5769            mUiMode = mUiModeManager.getCurrentModeType();
5770        } catch (RemoteException e) {
5771        }
5772    }
5773
5774    void updateRotation(boolean alwaysSendConfiguration) {
5775        try {
5776            //set orientation on WindowManager
5777            mWindowManager.updateRotation(alwaysSendConfiguration, false);
5778        } catch (RemoteException e) {
5779            // Ignore
5780        }
5781    }
5782
5783    void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
5784        try {
5785            //set orientation on WindowManager
5786            mWindowManager.updateRotation(alwaysSendConfiguration, forceRelayout);
5787        } catch (RemoteException e) {
5788            // Ignore
5789        }
5790    }
5791
5792    /**
5793     * Return an Intent to launch the currently active dock app as home.  Returns
5794     * null if the standard home should be launched, which is the case if any of the following is
5795     * true:
5796     * <ul>
5797     *  <li>The device is not in either car mode or desk mode
5798     *  <li>The device is in car mode but ENABLE_CAR_DOCK_HOME_CAPTURE is false
5799     *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
5800     *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
5801     *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
5802     * </ul>
5803     * @return A dock intent.
5804     */
5805    Intent createHomeDockIntent() {
5806        Intent intent = null;
5807
5808        // What home does is based on the mode, not the dock state.  That
5809        // is, when in car mode you should be taken to car home regardless
5810        // of whether we are actually in a car dock.
5811        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
5812            if (ENABLE_CAR_DOCK_HOME_CAPTURE) {
5813                intent = mCarDockIntent;
5814            }
5815        } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
5816            if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
5817                intent = mDeskDockIntent;
5818            }
5819        } else if (mUiMode == Configuration.UI_MODE_TYPE_WATCH
5820                && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
5821                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK
5822                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK)) {
5823            // Always launch dock home from home when watch is docked, if it exists.
5824            intent = mDeskDockIntent;
5825        }
5826
5827        if (intent == null) {
5828            return null;
5829        }
5830
5831        ActivityInfo ai = null;
5832        ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(
5833                intent,
5834                PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_META_DATA,
5835                mCurrentUserId);
5836        if (info != null) {
5837            ai = info.activityInfo;
5838        }
5839        if (ai != null
5840                && ai.metaData != null
5841                && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
5842            intent = new Intent(intent);
5843            intent.setClassName(ai.packageName, ai.name);
5844            return intent;
5845        }
5846
5847        return null;
5848    }
5849
5850    void startDockOrHome(boolean fromHomeKey) {
5851        awakenDreams();
5852
5853        Intent dock = createHomeDockIntent();
5854        if (dock != null) {
5855            try {
5856                if (fromHomeKey) {
5857                    dock.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
5858                }
5859                mContext.startActivityAsUser(dock, UserHandle.CURRENT);
5860                return;
5861            } catch (ActivityNotFoundException e) {
5862            }
5863        }
5864
5865        Intent intent;
5866
5867        if (fromHomeKey) {
5868            intent = new Intent(mHomeIntent);
5869            intent.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
5870        } else {
5871            intent = mHomeIntent;
5872        }
5873
5874        mContext.startActivityAsUser(intent, UserHandle.CURRENT);
5875    }
5876
5877    /**
5878     * goes to the home screen
5879     * @return whether it did anything
5880     */
5881    boolean goHome() {
5882        if (false) {
5883            // This code always brings home to the front.
5884            try {
5885                ActivityManagerNative.getDefault().stopAppSwitches();
5886            } catch (RemoteException e) {
5887            }
5888            sendCloseSystemWindows();
5889            startDockOrHome(false /*fromHomeKey*/);
5890        } else {
5891            // This code brings home to the front or, if it is already
5892            // at the front, puts the device to sleep.
5893            try {
5894                if (SystemProperties.getInt("persist.sys.uts-test-mode", 0) == 1) {
5895                    /// Roll back EndcallBehavior as the cupcake design to pass P1 lab entry.
5896                    Log.d(TAG, "UTS-TEST-MODE");
5897                } else {
5898                    ActivityManagerNative.getDefault().stopAppSwitches();
5899                    sendCloseSystemWindows();
5900                    Intent dock = createHomeDockIntent();
5901                    if (dock != null) {
5902                        int result = ActivityManagerNative.getDefault()
5903                                .startActivityAsUser(null, null, dock,
5904                                        dock.resolveTypeIfNeeded(mContext.getContentResolver()),
5905                                        null, null, 0,
5906                                        ActivityManager.START_FLAG_ONLY_IF_NEEDED,
5907                                        null, null, UserHandle.USER_CURRENT);
5908                        if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
5909                            return false;
5910                        }
5911                    }
5912                }
5913                int result = ActivityManagerNative.getDefault()
5914                        .startActivityAsUser(null, null, mHomeIntent,
5915                                mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
5916                                null, null, 0,
5917                                ActivityManager.START_FLAG_ONLY_IF_NEEDED,
5918                                null, null, UserHandle.USER_CURRENT);
5919                if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
5920                    return false;
5921                }
5922            } catch (RemoteException ex) {
5923                // bummer, the activity manager, which is in this process, is dead
5924            }
5925        }
5926        return true;
5927    }
5928
5929    @Override
5930    public void setCurrentOrientationLw(int newOrientation) {
5931        synchronized (mLock) {
5932            if (newOrientation != mCurrentAppOrientation) {
5933                mCurrentAppOrientation = newOrientation;
5934                updateOrientationListenerLp();
5935            }
5936        }
5937    }
5938
5939    private void performAuditoryFeedbackForAccessibilityIfNeed() {
5940        if (!isGlobalAccessibilityGestureEnabled()) {
5941            return;
5942        }
5943        AudioManager audioManager = (AudioManager) mContext.getSystemService(
5944                Context.AUDIO_SERVICE);
5945        if (audioManager.isSilentMode()) {
5946            return;
5947        }
5948        Ringtone ringTone = RingtoneManager.getRingtone(mContext,
5949                Settings.System.DEFAULT_NOTIFICATION_URI);
5950        ringTone.setStreamType(AudioManager.STREAM_MUSIC);
5951        ringTone.play();
5952    }
5953
5954    private boolean isTheaterModeEnabled() {
5955        return Settings.Global.getInt(mContext.getContentResolver(),
5956                Settings.Global.THEATER_MODE_ON, 0) == 1;
5957    }
5958
5959    private boolean isGlobalAccessibilityGestureEnabled() {
5960        return Settings.Global.getInt(mContext.getContentResolver(),
5961                Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED, 0) == 1;
5962    }
5963
5964    @Override
5965    public boolean performHapticFeedbackLw(WindowState win, int effectId, boolean always) {
5966        if (!mVibrator.hasVibrator()) {
5967            return false;
5968        }
5969        final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(),
5970                Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0;
5971        if (hapticsDisabled && !always) {
5972            return false;
5973        }
5974        long[] pattern = null;
5975        switch (effectId) {
5976            case HapticFeedbackConstants.LONG_PRESS:
5977                pattern = mLongPressVibePattern;
5978                break;
5979            case HapticFeedbackConstants.VIRTUAL_KEY:
5980                pattern = mVirtualKeyVibePattern;
5981                break;
5982            case HapticFeedbackConstants.KEYBOARD_TAP:
5983                pattern = mKeyboardTapVibePattern;
5984                break;
5985            case HapticFeedbackConstants.CLOCK_TICK:
5986                pattern = mClockTickVibePattern;
5987                break;
5988            case HapticFeedbackConstants.CALENDAR_DATE:
5989                pattern = mCalendarDateVibePattern;
5990                break;
5991            case HapticFeedbackConstants.SAFE_MODE_DISABLED:
5992                pattern = mSafeModeDisabledVibePattern;
5993                break;
5994            case HapticFeedbackConstants.SAFE_MODE_ENABLED:
5995                pattern = mSafeModeEnabledVibePattern;
5996                break;
5997            default:
5998                return false;
5999        }
6000        int owningUid;
6001        String owningPackage;
6002        if (win != null) {
6003            owningUid = win.getOwningUid();
6004            owningPackage = win.getOwningPackage();
6005        } else {
6006            owningUid = android.os.Process.myUid();
6007            owningPackage = mContext.getOpPackageName();
6008        }
6009        if (pattern.length == 1) {
6010            // One-shot vibration
6011            mVibrator.vibrate(owningUid, owningPackage, pattern[0], VIBRATION_ATTRIBUTES);
6012        } else {
6013            // Pattern vibration
6014            mVibrator.vibrate(owningUid, owningPackage, pattern, -1, VIBRATION_ATTRIBUTES);
6015        }
6016        return true;
6017    }
6018
6019    @Override
6020    public void keepScreenOnStartedLw() {
6021    }
6022
6023    @Override
6024    public void keepScreenOnStoppedLw() {
6025        if (isKeyguardShowingAndNotOccluded()) {
6026            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
6027        }
6028    }
6029
6030    private int updateSystemUiVisibilityLw() {
6031        // If there is no window focused, there will be nobody to handle the events
6032        // anyway, so just hang on in whatever state we're in until things settle down.
6033        final WindowState win = mFocusedWindow != null ? mFocusedWindow
6034                : mTopFullscreenOpaqueWindowState;
6035        if (win == null) {
6036            return 0;
6037        }
6038        if ((win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 && mHideLockScreen == true) {
6039            // We are updating at a point where the keyguard has gotten
6040            // focus, but we were last in a state where the top window is
6041            // hiding it.  This is probably because the keyguard as been
6042            // shown while the top window was displayed, so we want to ignore
6043            // it here because this is just a very transient change and it
6044            // will quickly lose focus once it correctly gets hidden.
6045            return 0;
6046        }
6047
6048        int tmpVisibility = PolicyControl.getSystemUiVisibility(win, null)
6049                & ~mResettingSystemUiFlags
6050                & ~mForceClearedSystemUiFlags;
6051        if (mForcingShowNavBar && win.getSurfaceLayer() < mForcingShowNavBarLayer) {
6052            tmpVisibility &= ~PolicyControl.adjustClearableFlags(win, View.SYSTEM_UI_CLEARABLE_FLAGS);
6053        }
6054        final int visibility = updateSystemBarsLw(win, mLastSystemUiFlags, tmpVisibility);
6055        final int diff = visibility ^ mLastSystemUiFlags;
6056        final boolean needsMenu = win.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
6057        if (diff == 0 && mLastFocusNeedsMenu == needsMenu
6058                && mFocusedApp == win.getAppToken()) {
6059            return 0;
6060        }
6061        mLastSystemUiFlags = visibility;
6062        mLastFocusNeedsMenu = needsMenu;
6063        mFocusedApp = win.getAppToken();
6064        mHandler.post(new Runnable() {
6065                @Override
6066                public void run() {
6067                    try {
6068                        IStatusBarService statusbar = getStatusBarService();
6069                        if (statusbar != null) {
6070                            statusbar.setSystemUiVisibility(visibility, 0xffffffff, win.toString());
6071                            statusbar.topAppWindowChanged(needsMenu);
6072                        }
6073                    } catch (RemoteException e) {
6074                        // re-acquire status bar service next time it is needed.
6075                        mStatusBarService = null;
6076                    }
6077                }
6078            });
6079        return diff;
6080    }
6081
6082    private int updateSystemBarsLw(WindowState win, int oldVis, int vis) {
6083        // apply translucent bar vis flags
6084        WindowState transWin = isStatusBarKeyguard() && !mHideLockScreen
6085                ? mStatusBar
6086                : mTopFullscreenOpaqueWindowState;
6087        vis = mStatusBarController.applyTranslucentFlagLw(transWin, vis, oldVis);
6088        vis = mNavigationBarController.applyTranslucentFlagLw(transWin, vis, oldVis);
6089
6090        // prevent status bar interaction from clearing certain flags
6091        boolean statusBarHasFocus = win.getAttrs().type == TYPE_STATUS_BAR;
6092        if (statusBarHasFocus && !isStatusBarKeyguard()) {
6093            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
6094                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
6095                    | View.SYSTEM_UI_FLAG_IMMERSIVE
6096                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
6097            if (mHideLockScreen) {
6098                flags |= View.STATUS_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSLUCENT;
6099            }
6100            vis = (vis & ~flags) | (oldVis & flags);
6101        }
6102
6103        if (!areTranslucentBarsAllowed() && transWin != mStatusBar) {
6104            vis &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSLUCENT
6105                    | View.SYSTEM_UI_TRANSPARENT);
6106        }
6107
6108        // update status bar
6109        boolean immersiveSticky =
6110                (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
6111        boolean hideStatusBarWM =
6112                mTopFullscreenOpaqueWindowState != null &&
6113                (PolicyControl.getWindowFlags(mTopFullscreenOpaqueWindowState, null)
6114                        & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0;
6115        boolean hideStatusBarSysui =
6116                (vis & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
6117        boolean hideNavBarSysui =
6118                (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0;
6119
6120        boolean transientStatusBarAllowed =
6121                mStatusBar != null && (
6122                hideStatusBarWM
6123                || (hideStatusBarSysui && immersiveSticky)
6124                || statusBarHasFocus);
6125
6126        boolean transientNavBarAllowed =
6127                mNavigationBar != null &&
6128                hideNavBarSysui && immersiveSticky;
6129
6130        boolean denyTransientStatus = mStatusBarController.isTransientShowRequested()
6131                && !transientStatusBarAllowed && hideStatusBarSysui;
6132        boolean denyTransientNav = mNavigationBarController.isTransientShowRequested()
6133                && !transientNavBarAllowed;
6134        if (denyTransientStatus || denyTransientNav) {
6135            // clear the clearable flags instead
6136            clearClearableFlagsLw();
6137            vis &= ~View.SYSTEM_UI_CLEARABLE_FLAGS;
6138        }
6139
6140        vis = mStatusBarController.updateVisibilityLw(transientStatusBarAllowed, oldVis, vis);
6141
6142        // update navigation bar
6143        boolean oldImmersiveMode = isImmersiveMode(oldVis);
6144        boolean newImmersiveMode = isImmersiveMode(vis);
6145        if (win != null && oldImmersiveMode != newImmersiveMode) {
6146            final String pkg = win.getOwningPackage();
6147            mImmersiveModeConfirmation.immersiveModeChanged(pkg, newImmersiveMode,
6148                    isUserSetupComplete());
6149        }
6150
6151        vis = mNavigationBarController.updateVisibilityLw(transientNavBarAllowed, oldVis, vis);
6152
6153        return vis;
6154    }
6155
6156    private void clearClearableFlagsLw() {
6157        int newVal = mResettingSystemUiFlags | View.SYSTEM_UI_CLEARABLE_FLAGS;
6158        if (newVal != mResettingSystemUiFlags) {
6159            mResettingSystemUiFlags = newVal;
6160            mWindowManagerFuncs.reevaluateStatusBarVisibility();
6161        }
6162    }
6163
6164    private boolean isImmersiveMode(int vis) {
6165        final int flags = View.SYSTEM_UI_FLAG_IMMERSIVE | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
6166        return mNavigationBar != null
6167                && (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
6168                && (vis & flags) != 0
6169                && canHideNavigationBar();
6170    }
6171
6172    /**
6173     * @return whether the navigation or status bar can be made translucent
6174     *
6175     * This should return true unless touch exploration is not enabled or
6176     * R.boolean.config_enableTranslucentDecor is false.
6177     */
6178    private boolean areTranslucentBarsAllowed() {
6179        return mTranslucentDecorEnabled
6180                && !mAccessibilityManager.isTouchExplorationEnabled();
6181    }
6182
6183    // Use this instead of checking config_showNavigationBar so that it can be consistently
6184    // overridden by qemu.hw.mainkeys in the emulator.
6185    @Override
6186    public boolean hasNavigationBar() {
6187        return mHasNavigationBar;
6188    }
6189
6190    @Override
6191    public void setLastInputMethodWindowLw(WindowState ime, WindowState target) {
6192        mLastInputMethodWindow = ime;
6193        mLastInputMethodTargetWindow = target;
6194    }
6195
6196    @Override
6197    public int getInputMethodWindowVisibleHeightLw() {
6198        return mDockBottom - mCurBottom;
6199    }
6200
6201    @Override
6202    public void setCurrentUserLw(int newUserId) {
6203        mCurrentUserId = newUserId;
6204        if (mKeyguardDelegate != null) {
6205            mKeyguardDelegate.setCurrentUser(newUserId);
6206        }
6207        if (mStatusBarService != null) {
6208            try {
6209                mStatusBarService.setCurrentUser(newUserId);
6210            } catch (RemoteException e) {
6211                // oh well
6212            }
6213        }
6214        setLastInputMethodWindowLw(null, null);
6215    }
6216
6217    @Override
6218    public boolean canMagnifyWindow(int windowType) {
6219        switch (windowType) {
6220            case WindowManager.LayoutParams.TYPE_INPUT_METHOD:
6221            case WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG:
6222            case WindowManager.LayoutParams.TYPE_NAVIGATION_BAR:
6223            case WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY: {
6224                return false;
6225            }
6226        }
6227        return true;
6228    }
6229
6230    @Override
6231    public boolean isTopLevelWindow(int windowType) {
6232        if (windowType >= WindowManager.LayoutParams.FIRST_SUB_WINDOW
6233                && windowType <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
6234            return (windowType == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG);
6235        }
6236        return true;
6237    }
6238
6239    @Override
6240    public void dump(String prefix, PrintWriter pw, String[] args) {
6241        pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
6242                pw.print(" mSystemReady="); pw.print(mSystemReady);
6243                pw.print(" mSystemBooted="); pw.println(mSystemBooted);
6244        pw.print(prefix); pw.print("mLidState="); pw.print(mLidState);
6245                pw.print(" mLidOpenRotation="); pw.print(mLidOpenRotation);
6246                pw.print(" mCameraLensCoverState="); pw.print(mCameraLensCoverState);
6247                pw.print(" mHdmiPlugged="); pw.println(mHdmiPlugged);
6248        if (mLastSystemUiFlags != 0 || mResettingSystemUiFlags != 0
6249                || mForceClearedSystemUiFlags != 0) {
6250            pw.print(prefix); pw.print("mLastSystemUiFlags=0x");
6251                    pw.print(Integer.toHexString(mLastSystemUiFlags));
6252                    pw.print(" mResettingSystemUiFlags=0x");
6253                    pw.print(Integer.toHexString(mResettingSystemUiFlags));
6254                    pw.print(" mForceClearedSystemUiFlags=0x");
6255                    pw.println(Integer.toHexString(mForceClearedSystemUiFlags));
6256        }
6257        if (mLastFocusNeedsMenu) {
6258            pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
6259                    pw.println(mLastFocusNeedsMenu);
6260        }
6261        pw.print(prefix); pw.print("mWakeGestureEnabledSetting=");
6262                pw.println(mWakeGestureEnabledSetting);
6263
6264        pw.print(prefix); pw.print("mSupportAutoRotation="); pw.println(mSupportAutoRotation);
6265        pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
6266                pw.print(" mDockMode="); pw.print(mDockMode);
6267                pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
6268                pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
6269        pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);
6270                pw.print(" mUserRotation="); pw.print(mUserRotation);
6271                pw.print(" mAllowAllRotations="); pw.println(mAllowAllRotations);
6272        pw.print(prefix); pw.print("mCurrentAppOrientation="); pw.println(mCurrentAppOrientation);
6273        pw.print(prefix); pw.print("mCarDockEnablesAccelerometer=");
6274                pw.print(mCarDockEnablesAccelerometer);
6275                pw.print(" mDeskDockEnablesAccelerometer=");
6276                pw.println(mDeskDockEnablesAccelerometer);
6277        pw.print(prefix); pw.print("mLidKeyboardAccessibility=");
6278                pw.print(mLidKeyboardAccessibility);
6279                pw.print(" mLidNavigationAccessibility="); pw.print(mLidNavigationAccessibility);
6280                pw.print(" mLidControlsSleep="); pw.println(mLidControlsSleep);
6281        pw.print(prefix);
6282                pw.print("mShortPressOnPowerBehavior="); pw.print(mShortPressOnPowerBehavior);
6283                pw.print(" mLongPressOnPowerBehavior="); pw.println(mLongPressOnPowerBehavior);
6284        pw.print(prefix);
6285                pw.print("mDoublePressOnPowerBehavior="); pw.print(mDoublePressOnPowerBehavior);
6286                pw.print(" mTriplePressOnPowerBehavior="); pw.println(mTriplePressOnPowerBehavior);
6287        pw.print(prefix); pw.print("mHasSoftInput="); pw.println(mHasSoftInput);
6288        pw.print(prefix); pw.print("mAwake="); pw.println(mAwake);
6289        pw.print(prefix); pw.print("mScreenOnEarly="); pw.print(mScreenOnEarly);
6290                pw.print(" mScreenOnFully="); pw.println(mScreenOnFully);
6291        pw.print(prefix); pw.print("mKeyguardDrawComplete="); pw.print(mKeyguardDrawComplete);
6292                pw.print(" mWindowManagerDrawComplete="); pw.println(mWindowManagerDrawComplete);
6293        pw.print(prefix); pw.print("mOrientationSensorEnabled=");
6294                pw.println(mOrientationSensorEnabled);
6295        pw.print(prefix); pw.print("mOverscanScreen=("); pw.print(mOverscanScreenLeft);
6296                pw.print(","); pw.print(mOverscanScreenTop);
6297                pw.print(") "); pw.print(mOverscanScreenWidth);
6298                pw.print("x"); pw.println(mOverscanScreenHeight);
6299        if (mOverscanLeft != 0 || mOverscanTop != 0
6300                || mOverscanRight != 0 || mOverscanBottom != 0) {
6301            pw.print(prefix); pw.print("mOverscan left="); pw.print(mOverscanLeft);
6302                    pw.print(" top="); pw.print(mOverscanTop);
6303                    pw.print(" right="); pw.print(mOverscanRight);
6304                    pw.print(" bottom="); pw.println(mOverscanBottom);
6305        }
6306        pw.print(prefix); pw.print("mRestrictedOverscanScreen=(");
6307                pw.print(mRestrictedOverscanScreenLeft);
6308                pw.print(","); pw.print(mRestrictedOverscanScreenTop);
6309                pw.print(") "); pw.print(mRestrictedOverscanScreenWidth);
6310                pw.print("x"); pw.println(mRestrictedOverscanScreenHeight);
6311        pw.print(prefix); pw.print("mUnrestrictedScreen=("); pw.print(mUnrestrictedScreenLeft);
6312                pw.print(","); pw.print(mUnrestrictedScreenTop);
6313                pw.print(") "); pw.print(mUnrestrictedScreenWidth);
6314                pw.print("x"); pw.println(mUnrestrictedScreenHeight);
6315        pw.print(prefix); pw.print("mRestrictedScreen=("); pw.print(mRestrictedScreenLeft);
6316                pw.print(","); pw.print(mRestrictedScreenTop);
6317                pw.print(") "); pw.print(mRestrictedScreenWidth);
6318                pw.print("x"); pw.println(mRestrictedScreenHeight);
6319        pw.print(prefix); pw.print("mStableFullscreen=("); pw.print(mStableFullscreenLeft);
6320                pw.print(","); pw.print(mStableFullscreenTop);
6321                pw.print(")-("); pw.print(mStableFullscreenRight);
6322                pw.print(","); pw.print(mStableFullscreenBottom); pw.println(")");
6323        pw.print(prefix); pw.print("mStable=("); pw.print(mStableLeft);
6324                pw.print(","); pw.print(mStableTop);
6325                pw.print(")-("); pw.print(mStableRight);
6326                pw.print(","); pw.print(mStableBottom); pw.println(")");
6327        pw.print(prefix); pw.print("mSystem=("); pw.print(mSystemLeft);
6328                pw.print(","); pw.print(mSystemTop);
6329                pw.print(")-("); pw.print(mSystemRight);
6330                pw.print(","); pw.print(mSystemBottom); pw.println(")");
6331        pw.print(prefix); pw.print("mCur=("); pw.print(mCurLeft);
6332                pw.print(","); pw.print(mCurTop);
6333                pw.print(")-("); pw.print(mCurRight);
6334                pw.print(","); pw.print(mCurBottom); pw.println(")");
6335        pw.print(prefix); pw.print("mContent=("); pw.print(mContentLeft);
6336                pw.print(","); pw.print(mContentTop);
6337                pw.print(")-("); pw.print(mContentRight);
6338                pw.print(","); pw.print(mContentBottom); pw.println(")");
6339        pw.print(prefix); pw.print("mVoiceContent=("); pw.print(mVoiceContentLeft);
6340                pw.print(","); pw.print(mVoiceContentTop);
6341                pw.print(")-("); pw.print(mVoiceContentRight);
6342                pw.print(","); pw.print(mVoiceContentBottom); pw.println(")");
6343        pw.print(prefix); pw.print("mDock=("); pw.print(mDockLeft);
6344                pw.print(","); pw.print(mDockTop);
6345                pw.print(")-("); pw.print(mDockRight);
6346                pw.print(","); pw.print(mDockBottom); pw.println(")");
6347        pw.print(prefix); pw.print("mDockLayer="); pw.print(mDockLayer);
6348                pw.print(" mStatusBarLayer="); pw.println(mStatusBarLayer);
6349        pw.print(prefix); pw.print("mShowingLockscreen="); pw.print(mShowingLockscreen);
6350                pw.print(" mShowingDream="); pw.print(mShowingDream);
6351                pw.print(" mDreamingLockscreen="); pw.println(mDreamingLockscreen);
6352        if (mLastInputMethodWindow != null) {
6353            pw.print(prefix); pw.print("mLastInputMethodWindow=");
6354                    pw.println(mLastInputMethodWindow);
6355        }
6356        if (mLastInputMethodTargetWindow != null) {
6357            pw.print(prefix); pw.print("mLastInputMethodTargetWindow=");
6358                    pw.println(mLastInputMethodTargetWindow);
6359        }
6360        if (mStatusBar != null) {
6361            pw.print(prefix); pw.print("mStatusBar=");
6362                    pw.print(mStatusBar); pw.print(" isStatusBarKeyguard=");
6363                    pw.println(isStatusBarKeyguard());
6364        }
6365        if (mNavigationBar != null) {
6366            pw.print(prefix); pw.print("mNavigationBar=");
6367                    pw.println(mNavigationBar);
6368        }
6369        if (mFocusedWindow != null) {
6370            pw.print(prefix); pw.print("mFocusedWindow=");
6371                    pw.println(mFocusedWindow);
6372        }
6373        if (mFocusedApp != null) {
6374            pw.print(prefix); pw.print("mFocusedApp=");
6375                    pw.println(mFocusedApp);
6376        }
6377        if (mWinDismissingKeyguard != null) {
6378            pw.print(prefix); pw.print("mWinDismissingKeyguard=");
6379                    pw.println(mWinDismissingKeyguard);
6380        }
6381        if (mTopFullscreenOpaqueWindowState != null) {
6382            pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
6383                    pw.println(mTopFullscreenOpaqueWindowState);
6384        }
6385        if (mForcingShowNavBar) {
6386            pw.print(prefix); pw.print("mForcingShowNavBar=");
6387                    pw.println(mForcingShowNavBar); pw.print( "mForcingShowNavBarLayer=");
6388                    pw.println(mForcingShowNavBarLayer);
6389        }
6390        pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
6391                pw.print(" mHideLockScreen="); pw.println(mHideLockScreen);
6392        pw.print(prefix); pw.print("mForceStatusBar="); pw.print(mForceStatusBar);
6393                pw.print(" mForceStatusBarFromKeyguard=");
6394                pw.println(mForceStatusBarFromKeyguard);
6395        pw.print(prefix); pw.print("mDismissKeyguard="); pw.print(mDismissKeyguard);
6396                pw.print(" mWinDismissingKeyguard="); pw.print(mWinDismissingKeyguard);
6397                pw.print(" mHomePressed="); pw.println(mHomePressed);
6398        pw.print(prefix); pw.print("mAllowLockscreenWhenOn="); pw.print(mAllowLockscreenWhenOn);
6399                pw.print(" mLockScreenTimeout="); pw.print(mLockScreenTimeout);
6400                pw.print(" mLockScreenTimerActive="); pw.println(mLockScreenTimerActive);
6401        pw.print(prefix); pw.print("mEndcallBehavior="); pw.print(mEndcallBehavior);
6402                pw.print(" mIncallPowerBehavior="); pw.print(mIncallPowerBehavior);
6403                pw.print(" mLongPressOnHomeBehavior="); pw.println(mLongPressOnHomeBehavior);
6404        pw.print(prefix); pw.print("mLandscapeRotation="); pw.print(mLandscapeRotation);
6405                pw.print(" mSeascapeRotation="); pw.println(mSeascapeRotation);
6406        pw.print(prefix); pw.print("mPortraitRotation="); pw.print(mPortraitRotation);
6407                pw.print(" mUpsideDownRotation="); pw.println(mUpsideDownRotation);
6408        pw.print(prefix); pw.print("mDemoHdmiRotation="); pw.print(mDemoHdmiRotation);
6409                pw.print(" mDemoHdmiRotationLock="); pw.println(mDemoHdmiRotationLock);
6410        pw.print(prefix); pw.print("mUndockedHdmiRotation="); pw.println(mUndockedHdmiRotation);
6411
6412        mGlobalKeyManager.dump(prefix, pw);
6413        mStatusBarController.dump(pw, prefix);
6414        mNavigationBarController.dump(pw, prefix);
6415        PolicyControl.dump(prefix, pw);
6416
6417        if (mWakeGestureListener != null) {
6418            mWakeGestureListener.dump(pw, prefix);
6419        }
6420        if (mOrientationListener != null) {
6421            mOrientationListener.dump(pw, prefix);
6422        }
6423    }
6424}
6425