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