PhoneWindowManager.java revision ee5ad729b90deff435f9875337cbc434be4f8fe7 
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.server.policy;
18
19import android.app.ActivityManager;
20import android.app.ActivityManagerNative;
21import android.app.AppOpsManager;
22import android.app.IUiModeManager;
23import android.app.ProgressDialog;
24import android.app.SearchManager;
25import android.app.StatusBarManager;
26import android.app.UiModeManager;
27import android.content.ActivityNotFoundException;
28import android.content.BroadcastReceiver;
29import android.content.ComponentName;
30import android.content.ContentResolver;
31import android.content.Context;
32import android.content.Intent;
33import android.content.IntentFilter;
34import android.content.ServiceConnection;
35import android.content.pm.ActivityInfo;
36import android.content.pm.PackageManager;
37import android.content.pm.ResolveInfo;
38import android.content.res.CompatibilityInfo;
39import android.content.res.Configuration;
40import android.content.res.Resources;
41import android.content.res.TypedArray;
42import android.database.ContentObserver;
43import android.graphics.PixelFormat;
44import android.graphics.Rect;
45import android.media.AudioAttributes;
46import android.media.AudioManager;
47import android.media.AudioSystem;
48import android.media.IAudioService;
49import android.media.Ringtone;
50import android.media.RingtoneManager;
51import android.media.session.MediaSessionLegacyHelper;
52import android.os.Bundle;
53import android.os.Debug;
54import android.os.FactoryTest;
55import android.os.Handler;
56import android.os.IBinder;
57import android.os.Looper;
58import android.os.Message;
59import android.os.Messenger;
60import android.os.PowerManager;
61import android.os.RemoteException;
62import android.os.ServiceManager;
63import android.os.SystemClock;
64import android.os.SystemProperties;
65import android.os.UEventObserver;
66import android.os.UserHandle;
67import android.os.Vibrator;
68import android.provider.MediaStore;
69import android.provider.Settings;
70import android.service.dreams.DreamManagerInternal;
71import android.service.dreams.DreamService;
72import android.service.dreams.IDreamManager;
73import android.speech.RecognizerIntent;
74import android.telecom.TelecomManager;
75import android.util.DisplayMetrics;
76import android.util.EventLog;
77import android.util.Log;
78import android.util.Slog;
79import android.util.SparseArray;
80import android.view.Display;
81import android.view.Gravity;
82import android.view.HapticFeedbackConstants;
83import android.view.IApplicationToken;
84import android.view.IWindowManager;
85import android.view.InputChannel;
86import android.view.InputDevice;
87import android.view.InputEvent;
88import android.view.InputEventReceiver;
89import android.view.KeyCharacterMap;
90import android.view.KeyCharacterMap.FallbackAction;
91import android.view.KeyEvent;
92import android.view.MotionEvent;
93import android.view.PhoneWindow;
94import android.view.Surface;
95import android.view.View;
96import android.view.ViewConfiguration;
97import android.view.Window;
98import android.view.WindowManager;
99import android.view.WindowManagerGlobal;
100import android.view.WindowManagerInternal;
101import android.view.WindowManagerPolicy;
102import android.view.accessibility.AccessibilityEvent;
103import android.view.accessibility.AccessibilityManager;
104import android.view.animation.Animation;
105import android.view.animation.AnimationSet;
106import android.view.animation.AnimationUtils;
107import com.android.internal.R;
108import com.android.internal.statusbar.IStatusBarService;
109import com.android.internal.widget.PointerLocationView;
110import com.android.server.LocalServices;
111import com.android.server.policy.keyguard.KeyguardServiceDelegate;
112import com.android.server.policy.keyguard.KeyguardServiceDelegate.ShowListener;
113
114import java.io.File;
115import java.io.FileReader;
116import java.io.IOException;
117import java.io.PrintWriter;
118import java.util.HashSet;
119import java.util.List;
120
121import static android.view.WindowManager.LayoutParams.*;
122import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_ABSENT;
123import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_OPEN;
124import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_CLOSED;
125import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVER_ABSENT;
126import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_UNCOVERED;
127import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVERED;
128
129/**
130 * WindowManagerPolicy implementation for the Android phone UI.  This
131 * introduces a new method suffix, Lp, for an internal lock of the
132 * PhoneWindowManager.  This is used to protect some internal state, and
133 * can be acquired with either the Lw and Li lock held, so has the restrictions
134 * of both of those when held.
135 */
136public class PhoneWindowManager implements WindowManagerPolicy {
137    static final String TAG = "WindowManager";
138    static final boolean DEBUG = false;
139    static final boolean localLOGV = false;
140    static final boolean DEBUG_INPUT = false;
141    static final boolean DEBUG_KEYGUARD = false;
142    static final boolean DEBUG_LAYOUT = false;
143    static final boolean DEBUG_STARTING_WINDOW = false;
144    static final boolean DEBUG_WAKEUP = false;
145    static final boolean SHOW_STARTING_ANIMATIONS = true;
146    static final boolean SHOW_PROCESSES_ON_ALT_MENU = false;
147
148    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
149    // No longer recommended for desk docks; still useful in car docks.
150    static final boolean ENABLE_CAR_DOCK_HOME_CAPTURE = true;
151    static final boolean ENABLE_DESK_DOCK_HOME_CAPTURE = false;
152
153    static final int SHORT_PRESS_POWER_NOTHING = 0;
154    static final int SHORT_PRESS_POWER_GO_TO_SLEEP = 1;
155    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP = 2;
156    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME = 3;
157    static final int SHORT_PRESS_POWER_GO_HOME = 4;
158
159    static final int LONG_PRESS_POWER_NOTHING = 0;
160    static final int LONG_PRESS_POWER_GLOBAL_ACTIONS = 1;
161    static final int LONG_PRESS_POWER_SHUT_OFF = 2;
162    static final int LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM = 3;
163
164    static final int MULTI_PRESS_POWER_NOTHING = 0;
165    static final int MULTI_PRESS_POWER_THEATER_MODE = 1;
166    static final int MULTI_PRESS_POWER_BRIGHTNESS_BOOST = 2;
167
168    // These need to match the documentation/constant in
169    // core/res/res/values/config.xml
170    static final int LONG_PRESS_HOME_NOTHING = 0;
171    static final int LONG_PRESS_HOME_RECENT_SYSTEM_UI = 1;
172    static final int LONG_PRESS_HOME_ASSIST = 2;
173
174    static final int DOUBLE_TAP_HOME_NOTHING = 0;
175    static final int DOUBLE_TAP_HOME_RECENT_SYSTEM_UI = 1;
176
177    static final int APPLICATION_MEDIA_SUBLAYER = -2;
178    static final int APPLICATION_MEDIA_OVERLAY_SUBLAYER = -1;
179    static final int APPLICATION_PANEL_SUBLAYER = 1;
180    static final int APPLICATION_SUB_PANEL_SUBLAYER = 2;
181
182    static public final String SYSTEM_DIALOG_REASON_KEY = "reason";
183    static public final String SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS = "globalactions";
184    static public final String SYSTEM_DIALOG_REASON_RECENT_APPS = "recentapps";
185    static public final String SYSTEM_DIALOG_REASON_HOME_KEY = "homekey";
186    static public final String SYSTEM_DIALOG_REASON_ASSIST = "assist";
187
188    /**
189     * These are the system UI flags that, when changing, can cause the layout
190     * of the screen to change.
191     */
192    static final int SYSTEM_UI_CHANGING_LAYOUT =
193              View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
194            | View.SYSTEM_UI_FLAG_FULLSCREEN
195            | View.STATUS_BAR_TRANSLUCENT
196            | View.NAVIGATION_BAR_TRANSLUCENT
197            | View.SYSTEM_UI_TRANSPARENT;
198
199    private static final AudioAttributes VIBRATION_ATTRIBUTES = new AudioAttributes.Builder()
200            .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
201            .setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION)
202            .build();
203
204    /**
205     * Keyguard stuff
206     */
207    private WindowState mKeyguardScrim;
208    private boolean mKeyguardHidden;
209    private boolean mKeyguardDrawnOnce;
210
211    /* Table of Application Launch keys.  Maps from key codes to intent categories.
212     *
213     * These are special keys that are used to launch particular kinds of applications,
214     * such as a web browser.  HID defines nearly a hundred of them in the Consumer (0x0C)
215     * usage page.  We don't support quite that many yet...
216     */
217    static SparseArray<String> sApplicationLaunchKeyCategories;
218    static {
219        sApplicationLaunchKeyCategories = new SparseArray<String>();
220        sApplicationLaunchKeyCategories.append(
221                KeyEvent.KEYCODE_EXPLORER, Intent.CATEGORY_APP_BROWSER);
222        sApplicationLaunchKeyCategories.append(
223                KeyEvent.KEYCODE_ENVELOPE, Intent.CATEGORY_APP_EMAIL);
224        sApplicationLaunchKeyCategories.append(
225                KeyEvent.KEYCODE_CONTACTS, Intent.CATEGORY_APP_CONTACTS);
226        sApplicationLaunchKeyCategories.append(
227                KeyEvent.KEYCODE_CALENDAR, Intent.CATEGORY_APP_CALENDAR);
228        sApplicationLaunchKeyCategories.append(
229                KeyEvent.KEYCODE_MUSIC, Intent.CATEGORY_APP_MUSIC);
230        sApplicationLaunchKeyCategories.append(
231                KeyEvent.KEYCODE_CALCULATOR, Intent.CATEGORY_APP_CALCULATOR);
232    }
233
234    /** Amount of time (in milliseconds) to wait for windows drawn before powering on. */
235    static final int WAITING_FOR_DRAWN_TIMEOUT = 1000;
236
237    /**
238     * Lock protecting internal state.  Must not call out into window
239     * manager with lock held.  (This lock will be acquired in places
240     * where the window manager is calling in with its own lock held.)
241     */
242    private final Object mLock = new Object();
243
244    Context mContext;
245    IWindowManager mWindowManager;
246    WindowManagerFuncs mWindowManagerFuncs;
247    WindowManagerInternal mWindowManagerInternal;
248    PowerManager mPowerManager;
249    DreamManagerInternal mDreamManagerInternal;
250    IStatusBarService mStatusBarService;
251    boolean mPreloadedRecentApps;
252    final Object mServiceAquireLock = new Object();
253    Vibrator mVibrator; // Vibrator for giving feedback of orientation changes
254    SearchManager mSearchManager;
255    AccessibilityManager mAccessibilityManager;
256    BurnInProtectionHelper mBurnInProtectionHelper;
257
258    // Vibrator pattern for haptic feedback of a long press.
259    long[] mLongPressVibePattern;
260
261    // Vibrator pattern for haptic feedback of virtual key press.
262    long[] mVirtualKeyVibePattern;
263
264    // Vibrator pattern for a short vibration.
265    long[] mKeyboardTapVibePattern;
266
267    // Vibrator pattern for a short vibration when tapping on an hour/minute tick of a Clock.
268    long[] mClockTickVibePattern;
269
270    // Vibrator pattern for a short vibration when tapping on a day/month/year date of a Calendar.
271    long[] mCalendarDateVibePattern;
272
273    // Vibrator pattern for haptic feedback during boot when safe mode is disabled.
274    long[] mSafeModeDisabledVibePattern;
275
276    // Vibrator pattern for haptic feedback during boot when safe mode is enabled.
277    long[] mSafeModeEnabledVibePattern;
278
279    /** If true, hitting shift & menu will broadcast Intent.ACTION_BUG_REPORT */
280    boolean mEnableShiftMenuBugReports = false;
281
282    boolean mSafeMode;
283    WindowState mStatusBar = null;
284    int mStatusBarHeight;
285    WindowState mNavigationBar = null;
286    boolean mHasNavigationBar = false;
287    boolean mCanHideNavigationBar = false;
288    boolean mNavigationBarCanMove = false; // can the navigation bar ever move to the side?
289    boolean mNavigationBarOnBottom = true; // is the navigation bar on the bottom *right now*?
290    int[] mNavigationBarHeightForRotation = new int[4];
291    int[] mNavigationBarWidthForRotation = new int[4];
292
293    boolean mBootMessageNeedsHiding;
294    KeyguardServiceDelegate mKeyguardDelegate;
295    final Runnable mWindowManagerDrawCallback = new Runnable() {
296        @Override
297        public void run() {
298            if (DEBUG_WAKEUP) Slog.i(TAG, "All windows ready for display!");
299            mHandler.sendEmptyMessage(MSG_WINDOW_MANAGER_DRAWN_COMPLETE);
300        }
301    };
302    final ShowListener mKeyguardDelegateCallback = new ShowListener() {
303        @Override
304        public void onShown(IBinder windowToken) {
305            if (DEBUG_WAKEUP) Slog.d(TAG, "mKeyguardDelegate.ShowListener.onShown.");
306            mHandler.sendEmptyMessage(MSG_KEYGUARD_DRAWN_COMPLETE);
307        }
308    };
309
310    GlobalActions mGlobalActions;
311    Handler mHandler;
312    WindowState mLastInputMethodWindow = null;
313    WindowState mLastInputMethodTargetWindow = null;
314
315    // FIXME This state is shared between the input reader and handler thread.
316    // Technically it's broken and buggy but it has been like this for many years
317    // and we have not yet seen any problems.  Someday we'll rewrite this logic
318    // so that only one thread is involved in handling input policy.  Unfortunately
319    // it's on a critical path for power management so we can't just post the work to the
320    // handler thread.  We'll need to resolve this someday by teaching the input dispatcher
321    // to hold wakelocks during dispatch and eliminating the critical path.
322    volatile boolean mPowerKeyHandled;
323    volatile boolean mBeganFromNonInteractive;
324    volatile int mPowerKeyPressCounter;
325    volatile boolean mEndCallKeyHandled;
326
327    boolean mRecentsVisible;
328    int mRecentAppsHeldModifiers;
329    boolean mLanguageSwitchKeyPressed;
330
331    int mLidState = LID_ABSENT;
332    int mCameraLensCoverState = CAMERA_LENS_COVER_ABSENT;
333    boolean mHaveBuiltInKeyboard;
334
335    boolean mSystemReady;
336    boolean mSystemBooted;
337    boolean mHdmiPlugged;
338    IUiModeManager mUiModeManager;
339    int mUiMode;
340    int mDockMode = Intent.EXTRA_DOCK_STATE_UNDOCKED;
341    int mLidOpenRotation;
342    int mCarDockRotation;
343    int mDeskDockRotation;
344    int mUndockedHdmiRotation;
345    int mDemoHdmiRotation;
346    boolean mDemoHdmiRotationLock;
347    int mDemoRotation;
348    boolean mDemoRotationLock;
349
350    boolean mWakeGestureEnabledSetting;
351    MyWakeGestureListener mWakeGestureListener;
352
353    // Default display does not rotate, apps that require non-default orientation will have to
354    // have the orientation emulated.
355    private boolean mForceDefaultOrientation = false;
356
357    int mUserRotationMode = WindowManagerPolicy.USER_ROTATION_FREE;
358    int mUserRotation = Surface.ROTATION_0;
359    boolean mAccelerometerDefault;
360
361    boolean mSupportAutoRotation;
362    int mAllowAllRotations = -1;
363    boolean mCarDockEnablesAccelerometer;
364    boolean mDeskDockEnablesAccelerometer;
365    int mLidKeyboardAccessibility;
366    int mLidNavigationAccessibility;
367    boolean mLidControlsSleep;
368    int mShortPressOnPowerBehavior;
369    int mLongPressOnPowerBehavior;
370    int mDoublePressOnPowerBehavior;
371    int mTriplePressOnPowerBehavior;
372    boolean mAwake;
373    boolean mScreenOnEarly;
374    boolean mScreenOnFully;
375    ScreenOnListener mScreenOnListener;
376    boolean mKeyguardDrawComplete;
377    boolean mWindowManagerDrawComplete;
378    boolean mOrientationSensorEnabled = false;
379    int mCurrentAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
380    boolean mHasSoftInput = false;
381    boolean mTranslucentDecorEnabled = true;
382    boolean mUseTvRouting;
383
384    int mPointerLocationMode = 0; // guarded by mLock
385
386    // The last window we were told about in focusChanged.
387    WindowState mFocusedWindow;
388    IApplicationToken mFocusedApp;
389
390    PointerLocationView mPointerLocationView;
391
392    // The current size of the screen; really; extends into the overscan area of
393    // the screen and doesn't account for any system elements like the status bar.
394    int mOverscanScreenLeft, mOverscanScreenTop;
395    int mOverscanScreenWidth, mOverscanScreenHeight;
396    // The current visible size of the screen; really; (ir)regardless of whether the status
397    // bar can be hidden but not extending into the overscan area.
398    int mUnrestrictedScreenLeft, mUnrestrictedScreenTop;
399    int mUnrestrictedScreenWidth, mUnrestrictedScreenHeight;
400    // Like mOverscanScreen*, but allowed to move into the overscan region where appropriate.
401    int mRestrictedOverscanScreenLeft, mRestrictedOverscanScreenTop;
402    int mRestrictedOverscanScreenWidth, mRestrictedOverscanScreenHeight;
403    // The current size of the screen; these may be different than (0,0)-(dw,dh)
404    // if the status bar can't be hidden; in that case it effectively carves out
405    // that area of the display from all other windows.
406    int mRestrictedScreenLeft, mRestrictedScreenTop;
407    int mRestrictedScreenWidth, mRestrictedScreenHeight;
408    // During layout, the current screen borders accounting for any currently
409    // visible system UI elements.
410    int mSystemLeft, mSystemTop, mSystemRight, mSystemBottom;
411    // For applications requesting stable content insets, these are them.
412    int mStableLeft, mStableTop, mStableRight, mStableBottom;
413    // For applications requesting stable content insets but have also set the
414    // fullscreen window flag, these are the stable dimensions without the status bar.
415    int mStableFullscreenLeft, mStableFullscreenTop;
416    int mStableFullscreenRight, mStableFullscreenBottom;
417    // During layout, the current screen borders with all outer decoration
418    // (status bar, input method dock) accounted for.
419    int mCurLeft, mCurTop, mCurRight, mCurBottom;
420    // During layout, the frame in which content should be displayed
421    // to the user, accounting for all screen decoration except for any
422    // space they deem as available for other content.  This is usually
423    // the same as mCur*, but may be larger if the screen decor has supplied
424    // content insets.
425    int mContentLeft, mContentTop, mContentRight, mContentBottom;
426    // During layout, the frame in which voice content should be displayed
427    // to the user, accounting for all screen decoration except for any
428    // space they deem as available for other content.
429    int mVoiceContentLeft, mVoiceContentTop, mVoiceContentRight, mVoiceContentBottom;
430    // During layout, the current screen borders along which input method
431    // windows are placed.
432    int mDockLeft, mDockTop, mDockRight, mDockBottom;
433    // During layout, the layer at which the doc window is placed.
434    int mDockLayer;
435    // During layout, this is the layer of the status bar.
436    int mStatusBarLayer;
437    int mLastSystemUiFlags;
438    // Bits that we are in the process of clearing, so we want to prevent
439    // them from being set by applications until everything has been updated
440    // to have them clear.
441    int mResettingSystemUiFlags = 0;
442    // Bits that we are currently always keeping cleared.
443    int mForceClearedSystemUiFlags = 0;
444    // What we last reported to system UI about whether the compatibility
445    // menu needs to be displayed.
446    boolean mLastFocusNeedsMenu = false;
447
448    FakeWindow mHideNavFakeWindow = null;
449
450    static final Rect mTmpParentFrame = new Rect();
451    static final Rect mTmpDisplayFrame = new Rect();
452    static final Rect mTmpOverscanFrame = new Rect();
453    static final Rect mTmpContentFrame = new Rect();
454    static final Rect mTmpVisibleFrame = new Rect();
455    static final Rect mTmpDecorFrame = new Rect();
456    static final Rect mTmpStableFrame = new Rect();
457    static final Rect mTmpNavigationFrame = new Rect();
458
459    WindowState mTopFullscreenOpaqueWindowState;
460    WindowState mTopFullscreenOpaqueOrDimmingWindowState;
461    HashSet<IApplicationToken> mAppsToBeHidden = new HashSet<IApplicationToken>();
462    HashSet<IApplicationToken> mAppsThatDismissKeyguard = new HashSet<IApplicationToken>();
463    boolean mTopIsFullscreen;
464    boolean mForceStatusBar;
465    boolean mForceStatusBarFromKeyguard;
466    boolean mHideLockScreen;
467    boolean mForcingShowNavBar;
468    int mForcingShowNavBarLayer;
469
470    // States of keyguard dismiss.
471    private static final int DISMISS_KEYGUARD_NONE = 0; // Keyguard not being dismissed.
472    private static final int DISMISS_KEYGUARD_START = 1; // Keyguard needs to be dismissed.
473    private static final int DISMISS_KEYGUARD_CONTINUE = 2; // Keyguard has been dismissed.
474    int mDismissKeyguard = DISMISS_KEYGUARD_NONE;
475
476    /** The window that is currently dismissing the keyguard. Dismissing the keyguard must only
477     * be done once per window. */
478    private WindowState mWinDismissingKeyguard;
479
480    /** The window that is currently showing "over" the keyguard. If there is an app window
481     * belonging to another app on top of this the keyguard shows. If there is a fullscreen
482     * app window under this, still dismiss the keyguard but don't show the app underneath. Show
483     * the wallpaper. */
484    private WindowState mWinShowWhenLocked;
485
486    boolean mShowingLockscreen;
487    boolean mShowingDream;
488    boolean mDreamingLockscreen;
489    boolean mKeyguardSecure;
490    boolean mKeyguardSecureIncludingHidden;
491    volatile boolean mKeyguardOccluded;
492    boolean mHomePressed;
493    boolean mHomeConsumed;
494    boolean mHomeDoubleTapPending;
495    Intent mHomeIntent;
496    Intent mCarDockIntent;
497    Intent mDeskDockIntent;
498    boolean mSearchKeyShortcutPending;
499    boolean mConsumeSearchKeyUp;
500    boolean mAssistKeyLongPressed;
501    boolean mPendingMetaAction;
502
503    // support for activating the lock screen while the screen is on
504    boolean mAllowLockscreenWhenOn;
505    int mLockScreenTimeout;
506    boolean mLockScreenTimerActive;
507
508    // Behavior of ENDCALL Button.  (See Settings.System.END_BUTTON_BEHAVIOR.)
509    int mEndcallBehavior;
510
511    // Behavior of POWER button while in-call and screen on.
512    // (See Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR.)
513    int mIncallPowerBehavior;
514
515    Display mDisplay;
516
517    int mLandscapeRotation = 0;  // default landscape rotation
518    int mSeascapeRotation = 0;   // "other" landscape rotation, 180 degrees from mLandscapeRotation
519    int mPortraitRotation = 0;   // default portrait rotation
520    int mUpsideDownRotation = 0; // "other" portrait rotation
521
522    int mOverscanLeft = 0;
523    int mOverscanTop = 0;
524    int mOverscanRight = 0;
525    int mOverscanBottom = 0;
526
527    // What we do when the user long presses on home
528    private int mLongPressOnHomeBehavior;
529
530    // What we do when the user double-taps on home
531    private int mDoubleTapOnHomeBehavior;
532
533    // Allowed theater mode wake actions
534    private boolean mAllowTheaterModeWakeFromKey;
535    private boolean mAllowTheaterModeWakeFromPowerKey;
536    private boolean mAllowTheaterModeWakeFromMotion;
537    private boolean mAllowTheaterModeWakeFromMotionWhenNotDreaming;
538    private boolean mAllowTheaterModeWakeFromCameraLens;
539    private boolean mAllowTheaterModeWakeFromLidSwitch;
540    private boolean mAllowTheaterModeWakeFromWakeGesture;
541
542    // Whether to go to sleep entering theater mode from power button
543    private boolean mGoToSleepOnButtonPressTheaterMode;
544
545    // Screenshot trigger states
546    // Time to volume and power must be pressed within this interval of each other.
547    private static final long SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS = 150;
548    // Increase the chord delay when taking a screenshot from the keyguard
549    private static final float KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER = 2.5f;
550    private boolean mScreenshotChordEnabled;
551    private boolean mScreenshotChordVolumeDownKeyTriggered;
552    private long mScreenshotChordVolumeDownKeyTime;
553    private boolean mScreenshotChordVolumeDownKeyConsumed;
554    private boolean mScreenshotChordVolumeUpKeyTriggered;
555    private boolean mScreenshotChordPowerKeyTriggered;
556    private long mScreenshotChordPowerKeyTime;
557
558    /* The number of steps between min and max brightness */
559    private static final int BRIGHTNESS_STEPS = 10;
560
561    SettingsObserver mSettingsObserver;
562    ShortcutManager mShortcutManager;
563    PowerManager.WakeLock mBroadcastWakeLock;
564    PowerManager.WakeLock mPowerKeyWakeLock;
565    boolean mHavePendingMediaKeyRepeatWithWakeLock;
566
567    private int mCurrentUserId;
568
569    // Maps global key codes to the components that will handle them.
570    private GlobalKeyManager mGlobalKeyManager;
571
572    // Fallback actions by key code.
573    private final SparseArray<KeyCharacterMap.FallbackAction> mFallbackActions =
574            new SparseArray<KeyCharacterMap.FallbackAction>();
575
576    private final LogDecelerateInterpolator mLogDecelerateInterpolator
577            = new LogDecelerateInterpolator(100, 0);
578
579    private static final int MSG_ENABLE_POINTER_LOCATION = 1;
580    private static final int MSG_DISABLE_POINTER_LOCATION = 2;
581    private static final int MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK = 3;
582    private static final int MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK = 4;
583    private static final int MSG_KEYGUARD_DRAWN_COMPLETE = 5;
584    private static final int MSG_KEYGUARD_DRAWN_TIMEOUT = 6;
585    private static final int MSG_WINDOW_MANAGER_DRAWN_COMPLETE = 7;
586    private static final int MSG_DISPATCH_SHOW_RECENTS = 9;
587    private static final int MSG_DISPATCH_SHOW_GLOBAL_ACTIONS = 10;
588    private static final int MSG_HIDE_BOOT_MESSAGE = 11;
589    private static final int MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK = 12;
590    private static final int MSG_POWER_DELAYED_PRESS = 13;
591    private static final int MSG_POWER_LONG_PRESS = 14;
592
593    private class PolicyHandler extends Handler {
594        @Override
595        public void handleMessage(Message msg) {
596            switch (msg.what) {
597                case MSG_ENABLE_POINTER_LOCATION:
598                    enablePointerLocation();
599                    break;
600                case MSG_DISABLE_POINTER_LOCATION:
601                    disablePointerLocation();
602                    break;
603                case MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK:
604                    dispatchMediaKeyWithWakeLock((KeyEvent)msg.obj);
605                    break;
606                case MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK:
607                    dispatchMediaKeyRepeatWithWakeLock((KeyEvent)msg.obj);
608                    break;
609                case MSG_DISPATCH_SHOW_RECENTS:
610                    showRecentApps(false);
611                    break;
612                case MSG_DISPATCH_SHOW_GLOBAL_ACTIONS:
613                    showGlobalActionsInternal();
614                    break;
615                case MSG_KEYGUARD_DRAWN_COMPLETE:
616                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mKeyguardDrawComplete");
617                    finishKeyguardDrawn();
618                    break;
619                case MSG_KEYGUARD_DRAWN_TIMEOUT:
620                    Slog.w(TAG, "Keyguard drawn timeout. Setting mKeyguardDrawComplete");
621                    finishKeyguardDrawn();
622                    break;
623                case MSG_WINDOW_MANAGER_DRAWN_COMPLETE:
624                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mWindowManagerDrawComplete");
625                    finishWindowsDrawn();
626                    break;
627                case MSG_HIDE_BOOT_MESSAGE:
628                    handleHideBootMessage();
629                    break;
630                case MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK:
631                    launchVoiceAssistWithWakeLock(msg.arg1 != 0);
632                    break;
633                case MSG_POWER_DELAYED_PRESS:
634                    powerPress((Long)msg.obj, msg.arg1 != 0, msg.arg2);
635                    finishPowerKeyPress();
636                    break;
637                case MSG_POWER_LONG_PRESS:
638                    powerLongPress();
639                    break;
640            }
641        }
642    }
643
644    private UEventObserver mHDMIObserver = new UEventObserver() {
645        @Override
646        public void onUEvent(UEventObserver.UEvent event) {
647            setHdmiPlugged("1".equals(event.get("SWITCH_STATE")));
648        }
649    };
650
651    class SettingsObserver extends ContentObserver {
652        SettingsObserver(Handler handler) {
653            super(handler);
654        }
655
656        void observe() {
657            // Observe all users' changes
658            ContentResolver resolver = mContext.getContentResolver();
659            resolver.registerContentObserver(Settings.System.getUriFor(
660                    Settings.System.END_BUTTON_BEHAVIOR), false, this,
661                    UserHandle.USER_ALL);
662            resolver.registerContentObserver(Settings.Secure.getUriFor(
663                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR), false, this,
664                    UserHandle.USER_ALL);
665            resolver.registerContentObserver(Settings.Secure.getUriFor(
666                    Settings.Secure.WAKE_GESTURE_ENABLED), false, this,
667                    UserHandle.USER_ALL);
668            resolver.registerContentObserver(Settings.System.getUriFor(
669                    Settings.System.ACCELEROMETER_ROTATION), false, this,
670                    UserHandle.USER_ALL);
671            resolver.registerContentObserver(Settings.System.getUriFor(
672                    Settings.System.USER_ROTATION), false, this,
673                    UserHandle.USER_ALL);
674            resolver.registerContentObserver(Settings.System.getUriFor(
675                    Settings.System.SCREEN_OFF_TIMEOUT), false, this,
676                    UserHandle.USER_ALL);
677            resolver.registerContentObserver(Settings.System.getUriFor(
678                    Settings.System.POINTER_LOCATION), false, this,
679                    UserHandle.USER_ALL);
680            resolver.registerContentObserver(Settings.Secure.getUriFor(
681                    Settings.Secure.DEFAULT_INPUT_METHOD), false, this,
682                    UserHandle.USER_ALL);
683            resolver.registerContentObserver(Settings.Secure.getUriFor(
684                    Settings.Secure.IMMERSIVE_MODE_CONFIRMATIONS), false, this,
685                    UserHandle.USER_ALL);
686            resolver.registerContentObserver(Settings.Global.getUriFor(
687                    Settings.Global.POLICY_CONTROL), false, this,
688                    UserHandle.USER_ALL);
689            updateSettings();
690        }
691
692        @Override public void onChange(boolean selfChange) {
693            updateSettings();
694            updateRotation(false);
695        }
696    }
697
698    class MyWakeGestureListener extends WakeGestureListener {
699        MyWakeGestureListener(Context context, Handler handler) {
700            super(context, handler);
701        }
702
703        @Override
704        public void onWakeUp() {
705            synchronized (mLock) {
706                if (shouldEnableWakeGestureLp()) {
707                    performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
708                    wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromWakeGesture);
709                }
710            }
711        }
712    }
713
714    class MyOrientationListener extends WindowOrientationListener {
715        MyOrientationListener(Context context, Handler handler) {
716            super(context, handler);
717        }
718
719        @Override
720        public void onProposedRotationChanged(int rotation) {
721            if (localLOGV) Slog.v(TAG, "onProposedRotationChanged, rotation=" + rotation);
722            updateRotation(false);
723        }
724    }
725    MyOrientationListener mOrientationListener;
726
727    private final StatusBarController mStatusBarController = new StatusBarController();
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                SystemClock.elapsedRealtime(), 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                case SHORT_PRESS_POWER_GO_HOME:
975                    launchHomeFromHotKey();
976                    break;
977            }
978        }
979    }
980
981    private void powerMultiPressAction(long eventTime, boolean interactive, int behavior) {
982        switch (behavior) {
983            case MULTI_PRESS_POWER_NOTHING:
984                break;
985            case MULTI_PRESS_POWER_THEATER_MODE:
986                if (isTheaterModeEnabled()) {
987                    Slog.i(TAG, "Toggling theater mode off.");
988                    Settings.Global.putInt(mContext.getContentResolver(),
989                            Settings.Global.THEATER_MODE_ON, 0);
990                    if (!interactive) {
991                        wakeUpFromPowerKey(eventTime);
992                    }
993                } else {
994                    Slog.i(TAG, "Toggling theater mode on.");
995                    Settings.Global.putInt(mContext.getContentResolver(),
996                            Settings.Global.THEATER_MODE_ON, 1);
997
998                    if (mGoToSleepOnButtonPressTheaterMode && interactive) {
999                        mPowerManager.goToSleep(eventTime,
1000                                PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1001                    }
1002                }
1003                break;
1004            case MULTI_PRESS_POWER_BRIGHTNESS_BOOST:
1005                Slog.i(TAG, "Starting brightness boost.");
1006                if (!interactive) {
1007                    wakeUpFromPowerKey(eventTime);
1008                }
1009                mPowerManager.boostScreenBrightness(eventTime);
1010                break;
1011        }
1012    }
1013
1014    private int getMaxMultiPressPowerCount() {
1015        if (mTriplePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1016            return 3;
1017        }
1018        if (mDoublePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1019            return 2;
1020        }
1021        return 1;
1022    }
1023
1024    private void powerLongPress() {
1025        final int behavior = getResolvedLongPressOnPowerBehavior();
1026        switch (behavior) {
1027        case LONG_PRESS_POWER_NOTHING:
1028            break;
1029        case LONG_PRESS_POWER_GLOBAL_ACTIONS:
1030            mPowerKeyHandled = true;
1031            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1032                performAuditoryFeedbackForAccessibilityIfNeed();
1033            }
1034            showGlobalActionsInternal();
1035            break;
1036        case LONG_PRESS_POWER_SHUT_OFF:
1037        case LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM:
1038            mPowerKeyHandled = true;
1039            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1040            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1041            mWindowManagerFuncs.shutdown(behavior == LONG_PRESS_POWER_SHUT_OFF);
1042            break;
1043        }
1044    }
1045
1046    private int getResolvedLongPressOnPowerBehavior() {
1047        if (FactoryTest.isLongPressOnPowerOffEnabled()) {
1048            return LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;
1049        }
1050        return mLongPressOnPowerBehavior;
1051    }
1052
1053    private boolean hasLongPressOnPowerBehavior() {
1054        return getResolvedLongPressOnPowerBehavior() != LONG_PRESS_POWER_NOTHING;
1055    }
1056
1057    private void interceptScreenshotChord() {
1058        if (mScreenshotChordEnabled
1059                && mScreenshotChordVolumeDownKeyTriggered && mScreenshotChordPowerKeyTriggered
1060                && !mScreenshotChordVolumeUpKeyTriggered) {
1061            final long now = SystemClock.uptimeMillis();
1062            if (now <= mScreenshotChordVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS
1063                    && now <= mScreenshotChordPowerKeyTime
1064                            + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS) {
1065                mScreenshotChordVolumeDownKeyConsumed = true;
1066                cancelPendingPowerKeyAction();
1067
1068                mHandler.postDelayed(mScreenshotRunnable, getScreenshotChordLongPressDelay());
1069            }
1070        }
1071    }
1072
1073    private long getScreenshotChordLongPressDelay() {
1074        if (mKeyguardDelegate.isShowing()) {
1075            // Double the time it takes to take a screenshot from the keyguard
1076            return (long) (KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER *
1077                    ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1078        }
1079        return ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout();
1080    }
1081
1082    private void cancelPendingScreenshotChordAction() {
1083        mHandler.removeCallbacks(mScreenshotRunnable);
1084    }
1085
1086    private final Runnable mEndCallLongPress = new Runnable() {
1087        @Override
1088        public void run() {
1089            mEndCallKeyHandled = true;
1090            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1091                performAuditoryFeedbackForAccessibilityIfNeed();
1092            }
1093            showGlobalActionsInternal();
1094        }
1095    };
1096
1097    private final Runnable mScreenshotRunnable = new Runnable() {
1098        @Override
1099        public void run() {
1100            takeScreenshot();
1101        }
1102    };
1103
1104    @Override
1105    public void showGlobalActions() {
1106        mHandler.removeMessages(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1107        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1108    }
1109
1110    void showGlobalActionsInternal() {
1111        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1112        if (mGlobalActions == null) {
1113            mGlobalActions = new GlobalActions(mContext, mWindowManagerFuncs);
1114        }
1115        final boolean keyguardShowing = isKeyguardShowingAndNotOccluded();
1116        mGlobalActions.showDialog(keyguardShowing, isDeviceProvisioned());
1117        if (keyguardShowing) {
1118            // since it took two seconds of long press to bring this up,
1119            // poke the wake lock so they have some time to see the dialog.
1120            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
1121        }
1122    }
1123
1124    boolean isDeviceProvisioned() {
1125        return Settings.Global.getInt(
1126                mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0;
1127    }
1128
1129    boolean isUserSetupComplete() {
1130        return Settings.Secure.getIntForUser(mContext.getContentResolver(),
1131                Settings.Secure.USER_SETUP_COMPLETE, 0, UserHandle.USER_CURRENT) != 0;
1132    }
1133
1134    private void handleShortPressOnHome() {
1135        // If there's a dream running then use home to escape the dream
1136        // but don't actually go home.
1137        if (mDreamManagerInternal != null && mDreamManagerInternal.isDreaming()) {
1138            mDreamManagerInternal.stopDream(false /*immediate*/);
1139            return;
1140        }
1141
1142        // Go home!
1143        launchHomeFromHotKey();
1144    }
1145
1146    private void handleLongPressOnHome() {
1147        if (mLongPressOnHomeBehavior != LONG_PRESS_HOME_NOTHING) {
1148            mHomeConsumed = true;
1149            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1150
1151            if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI) {
1152                toggleRecentApps();
1153            } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_ASSIST) {
1154                launchAssistAction();
1155            }
1156        }
1157    }
1158
1159    private void handleDoubleTapOnHome() {
1160        if (mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1161            mHomeConsumed = true;
1162            toggleRecentApps();
1163        }
1164    }
1165
1166    private final Runnable mHomeDoubleTapTimeoutRunnable = new Runnable() {
1167        @Override
1168        public void run() {
1169            if (mHomeDoubleTapPending) {
1170                mHomeDoubleTapPending = false;
1171                handleShortPressOnHome();
1172            }
1173        }
1174    };
1175
1176    /** {@inheritDoc} */
1177    @Override
1178    public void init(Context context, IWindowManager windowManager,
1179            WindowManagerFuncs windowManagerFuncs) {
1180        mContext = context;
1181        mWindowManager = windowManager;
1182        mWindowManagerFuncs = windowManagerFuncs;
1183        mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class);
1184        mDreamManagerInternal = LocalServices.getService(DreamManagerInternal.class);
1185        if (context.getResources().getBoolean(
1186                com.android.internal.R.bool.config_enableBurnInProtection)){
1187            mBurnInProtectionHelper = new BurnInProtectionHelper(context);
1188        }
1189
1190        mHandler = new PolicyHandler();
1191        mWakeGestureListener = new MyWakeGestureListener(mContext, mHandler);
1192        mOrientationListener = new MyOrientationListener(mContext, mHandler);
1193        try {
1194            mOrientationListener.setCurrentRotation(windowManager.getRotation());
1195        } catch (RemoteException ex) { }
1196        mSettingsObserver = new SettingsObserver(mHandler);
1197        mSettingsObserver.observe();
1198        mShortcutManager = new ShortcutManager(context);
1199        mUiMode = context.getResources().getInteger(
1200                com.android.internal.R.integer.config_defaultUiModeType);
1201        mHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
1202        mHomeIntent.addCategory(Intent.CATEGORY_HOME);
1203        mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1204                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1205        mCarDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1206        mCarDockIntent.addCategory(Intent.CATEGORY_CAR_DOCK);
1207        mCarDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1208                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1209        mDeskDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1210        mDeskDockIntent.addCategory(Intent.CATEGORY_DESK_DOCK);
1211        mDeskDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1212                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1213
1214        mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
1215        mBroadcastWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1216                "PhoneWindowManager.mBroadcastWakeLock");
1217        mPowerKeyWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1218                "PhoneWindowManager.mPowerKeyWakeLock");
1219        mEnableShiftMenuBugReports = "1".equals(SystemProperties.get("ro.debuggable"));
1220        mSupportAutoRotation = mContext.getResources().getBoolean(
1221                com.android.internal.R.bool.config_supportAutoRotation);
1222        mLidOpenRotation = readRotation(
1223                com.android.internal.R.integer.config_lidOpenRotation);
1224        mCarDockRotation = readRotation(
1225                com.android.internal.R.integer.config_carDockRotation);
1226        mDeskDockRotation = readRotation(
1227                com.android.internal.R.integer.config_deskDockRotation);
1228        mUndockedHdmiRotation = readRotation(
1229                com.android.internal.R.integer.config_undockedHdmiRotation);
1230        mCarDockEnablesAccelerometer = mContext.getResources().getBoolean(
1231                com.android.internal.R.bool.config_carDockEnablesAccelerometer);
1232        mDeskDockEnablesAccelerometer = mContext.getResources().getBoolean(
1233                com.android.internal.R.bool.config_deskDockEnablesAccelerometer);
1234        mLidKeyboardAccessibility = mContext.getResources().getInteger(
1235                com.android.internal.R.integer.config_lidKeyboardAccessibility);
1236        mLidNavigationAccessibility = mContext.getResources().getInteger(
1237                com.android.internal.R.integer.config_lidNavigationAccessibility);
1238        mLidControlsSleep = mContext.getResources().getBoolean(
1239                com.android.internal.R.bool.config_lidControlsSleep);
1240        mTranslucentDecorEnabled = mContext.getResources().getBoolean(
1241                com.android.internal.R.bool.config_enableTranslucentDecor);
1242
1243        mAllowTheaterModeWakeFromKey = mContext.getResources().getBoolean(
1244                com.android.internal.R.bool.config_allowTheaterModeWakeFromKey);
1245        mAllowTheaterModeWakeFromPowerKey = mAllowTheaterModeWakeFromKey
1246                || mContext.getResources().getBoolean(
1247                    com.android.internal.R.bool.config_allowTheaterModeWakeFromPowerKey);
1248        mAllowTheaterModeWakeFromMotion = mContext.getResources().getBoolean(
1249                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotion);
1250        mAllowTheaterModeWakeFromMotionWhenNotDreaming = mContext.getResources().getBoolean(
1251                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotionWhenNotDreaming);
1252        mAllowTheaterModeWakeFromCameraLens = mContext.getResources().getBoolean(
1253                com.android.internal.R.bool.config_allowTheaterModeWakeFromCameraLens);
1254        mAllowTheaterModeWakeFromLidSwitch = mContext.getResources().getBoolean(
1255                com.android.internal.R.bool.config_allowTheaterModeWakeFromLidSwitch);
1256        mAllowTheaterModeWakeFromWakeGesture = mContext.getResources().getBoolean(
1257                com.android.internal.R.bool.config_allowTheaterModeWakeFromGesture);
1258
1259        mGoToSleepOnButtonPressTheaterMode = mContext.getResources().getBoolean(
1260                com.android.internal.R.bool.config_goToSleepOnButtonPressTheaterMode);
1261
1262        mShortPressOnPowerBehavior = mContext.getResources().getInteger(
1263                com.android.internal.R.integer.config_shortPressOnPowerBehavior);
1264        mLongPressOnPowerBehavior = mContext.getResources().getInteger(
1265                com.android.internal.R.integer.config_longPressOnPowerBehavior);
1266        mDoublePressOnPowerBehavior = mContext.getResources().getInteger(
1267                com.android.internal.R.integer.config_doublePressOnPowerBehavior);
1268        mTriplePressOnPowerBehavior = mContext.getResources().getInteger(
1269                com.android.internal.R.integer.config_triplePressOnPowerBehavior);
1270
1271        mUseTvRouting = AudioSystem.getPlatformType(mContext) == AudioSystem.PLATFORM_TELEVISION;
1272
1273        readConfigurationDependentBehaviors();
1274
1275        mAccessibilityManager = (AccessibilityManager) context.getSystemService(
1276                Context.ACCESSIBILITY_SERVICE);
1277
1278        // register for dock events
1279        IntentFilter filter = new IntentFilter();
1280        filter.addAction(UiModeManager.ACTION_ENTER_CAR_MODE);
1281        filter.addAction(UiModeManager.ACTION_EXIT_CAR_MODE);
1282        filter.addAction(UiModeManager.ACTION_ENTER_DESK_MODE);
1283        filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
1284        filter.addAction(Intent.ACTION_DOCK_EVENT);
1285        Intent intent = context.registerReceiver(mDockReceiver, filter);
1286        if (intent != null) {
1287            // Retrieve current sticky dock event broadcast.
1288            mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
1289                    Intent.EXTRA_DOCK_STATE_UNDOCKED);
1290        }
1291
1292        // register for dream-related broadcasts
1293        filter = new IntentFilter();
1294        filter.addAction(Intent.ACTION_DREAMING_STARTED);
1295        filter.addAction(Intent.ACTION_DREAMING_STOPPED);
1296        context.registerReceiver(mDreamReceiver, filter);
1297
1298        // register for multiuser-relevant broadcasts
1299        filter = new IntentFilter(Intent.ACTION_USER_SWITCHED);
1300        context.registerReceiver(mMultiuserReceiver, filter);
1301
1302        // monitor for system gestures
1303        mSystemGestures = new SystemGesturesPointerEventListener(context,
1304                new SystemGesturesPointerEventListener.Callbacks() {
1305                    @Override
1306                    public void onSwipeFromTop() {
1307                        if (mStatusBar != null) {
1308                            requestTransientBars(mStatusBar);
1309                        }
1310                    }
1311                    @Override
1312                    public void onSwipeFromBottom() {
1313                        if (mNavigationBar != null && mNavigationBarOnBottom) {
1314                            requestTransientBars(mNavigationBar);
1315                        }
1316                    }
1317                    @Override
1318                    public void onSwipeFromRight() {
1319                        if (mNavigationBar != null && !mNavigationBarOnBottom) {
1320                            requestTransientBars(mNavigationBar);
1321                        }
1322                    }
1323                    @Override
1324                    public void onDebug() {
1325                        // no-op
1326                    }
1327                });
1328        mImmersiveModeConfirmation = new ImmersiveModeConfirmation(mContext);
1329        mWindowManagerFuncs.registerPointerEventListener(mSystemGestures);
1330
1331        mVibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE);
1332        mLongPressVibePattern = getLongIntArray(mContext.getResources(),
1333                com.android.internal.R.array.config_longPressVibePattern);
1334        mVirtualKeyVibePattern = getLongIntArray(mContext.getResources(),
1335                com.android.internal.R.array.config_virtualKeyVibePattern);
1336        mKeyboardTapVibePattern = getLongIntArray(mContext.getResources(),
1337                com.android.internal.R.array.config_keyboardTapVibePattern);
1338        mClockTickVibePattern = getLongIntArray(mContext.getResources(),
1339                com.android.internal.R.array.config_clockTickVibePattern);
1340        mCalendarDateVibePattern = getLongIntArray(mContext.getResources(),
1341                com.android.internal.R.array.config_calendarDateVibePattern);
1342        mSafeModeDisabledVibePattern = getLongIntArray(mContext.getResources(),
1343                com.android.internal.R.array.config_safeModeDisabledVibePattern);
1344        mSafeModeEnabledVibePattern = getLongIntArray(mContext.getResources(),
1345                com.android.internal.R.array.config_safeModeEnabledVibePattern);
1346
1347        mScreenshotChordEnabled = mContext.getResources().getBoolean(
1348                com.android.internal.R.bool.config_enableScreenshotChord);
1349
1350        mGlobalKeyManager = new GlobalKeyManager(mContext);
1351
1352        // Controls rotation and the like.
1353        initializeHdmiState();
1354
1355        // Match current screen state.
1356        if (!mPowerManager.isInteractive()) {
1357            goingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1358        }
1359
1360        mWindowManagerInternal.registerAppTransitionListener(
1361                mStatusBarController.getAppTransitionListener());
1362    }
1363
1364    /**
1365     * Read values from config.xml that may be overridden depending on
1366     * the configuration of the device.
1367     * eg. Disable long press on home goes to recents on sw600dp.
1368     */
1369    private void readConfigurationDependentBehaviors() {
1370        mLongPressOnHomeBehavior = mContext.getResources().getInteger(
1371                com.android.internal.R.integer.config_longPressOnHomeBehavior);
1372        if (mLongPressOnHomeBehavior < LONG_PRESS_HOME_NOTHING ||
1373                mLongPressOnHomeBehavior > LONG_PRESS_HOME_ASSIST) {
1374            mLongPressOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1375        }
1376
1377        mDoubleTapOnHomeBehavior = mContext.getResources().getInteger(
1378                com.android.internal.R.integer.config_doubleTapOnHomeBehavior);
1379        if (mDoubleTapOnHomeBehavior < DOUBLE_TAP_HOME_NOTHING ||
1380                mDoubleTapOnHomeBehavior > DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1381            mDoubleTapOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1382        }
1383    }
1384
1385    @Override
1386    public void setInitialDisplaySize(Display display, int width, int height, int density) {
1387        // This method might be called before the policy has been fully initialized
1388        // or for other displays we don't care about.
1389        if (mContext == null || display.getDisplayId() != Display.DEFAULT_DISPLAY) {
1390            return;
1391        }
1392        mDisplay = display;
1393
1394        final Resources res = mContext.getResources();
1395        int shortSize, longSize;
1396        if (width > height) {
1397            shortSize = height;
1398            longSize = width;
1399            mLandscapeRotation = Surface.ROTATION_0;
1400            mSeascapeRotation = Surface.ROTATION_180;
1401            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1402                mPortraitRotation = Surface.ROTATION_90;
1403                mUpsideDownRotation = Surface.ROTATION_270;
1404            } else {
1405                mPortraitRotation = Surface.ROTATION_270;
1406                mUpsideDownRotation = Surface.ROTATION_90;
1407            }
1408        } else {
1409            shortSize = width;
1410            longSize = height;
1411            mPortraitRotation = Surface.ROTATION_0;
1412            mUpsideDownRotation = Surface.ROTATION_180;
1413            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1414                mLandscapeRotation = Surface.ROTATION_270;
1415                mSeascapeRotation = Surface.ROTATION_90;
1416            } else {
1417                mLandscapeRotation = Surface.ROTATION_90;
1418                mSeascapeRotation = Surface.ROTATION_270;
1419            }
1420        }
1421
1422        mStatusBarHeight =
1423                res.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
1424
1425        // Height of the navigation bar when presented horizontally at bottom
1426        mNavigationBarHeightForRotation[mPortraitRotation] =
1427        mNavigationBarHeightForRotation[mUpsideDownRotation] =
1428                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_height);
1429        mNavigationBarHeightForRotation[mLandscapeRotation] =
1430        mNavigationBarHeightForRotation[mSeascapeRotation] = res.getDimensionPixelSize(
1431                com.android.internal.R.dimen.navigation_bar_height_landscape);
1432
1433        // Width of the navigation bar when presented vertically along one side
1434        mNavigationBarWidthForRotation[mPortraitRotation] =
1435        mNavigationBarWidthForRotation[mUpsideDownRotation] =
1436        mNavigationBarWidthForRotation[mLandscapeRotation] =
1437        mNavigationBarWidthForRotation[mSeascapeRotation] =
1438                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_width);
1439
1440        // SystemUI (status bar) layout policy
1441        int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT / density;
1442        int longSizeDp = longSize * DisplayMetrics.DENSITY_DEFAULT / density;
1443
1444        // Allow the navigation bar to move on non-square small devices (phones).
1445        mNavigationBarCanMove = width != height && shortSizeDp < 600;
1446
1447        mHasNavigationBar = res.getBoolean(com.android.internal.R.bool.config_showNavigationBar);
1448        // Allow a system property to override this. Used by the emulator.
1449        // See also hasNavigationBar().
1450        String navBarOverride = SystemProperties.get("qemu.hw.mainkeys");
1451        if ("1".equals(navBarOverride)) {
1452            mHasNavigationBar = false;
1453        } else if ("0".equals(navBarOverride)) {
1454            mHasNavigationBar = true;
1455        }
1456
1457        // For demo purposes, allow the rotation of the HDMI display to be controlled.
1458        // By default, HDMI locks rotation to landscape.
1459        if ("portrait".equals(SystemProperties.get("persist.demo.hdmirotation"))) {
1460            mDemoHdmiRotation = mPortraitRotation;
1461        } else {
1462            mDemoHdmiRotation = mLandscapeRotation;
1463        }
1464        mDemoHdmiRotationLock = SystemProperties.getBoolean("persist.demo.hdmirotationlock", false);
1465
1466        // For demo purposes, allow the rotation of the remote display to be controlled.
1467        // By default, remote display locks rotation to landscape.
1468        if ("portrait".equals(SystemProperties.get("persist.demo.remoterotation"))) {
1469            mDemoRotation = mPortraitRotation;
1470        } else {
1471            mDemoRotation = mLandscapeRotation;
1472        }
1473        mDemoRotationLock = SystemProperties.getBoolean(
1474                "persist.demo.rotationlock", false);
1475
1476        // Only force the default orientation if the screen is xlarge, at least 960dp x 720dp, per
1477        // http://developer.android.com/guide/practices/screens_support.html#range
1478        mForceDefaultOrientation = longSizeDp >= 960 && shortSizeDp >= 720 &&
1479                res.getBoolean(com.android.internal.R.bool.config_forceDefaultOrientation) &&
1480                // For debug purposes the next line turns this feature off with:
1481                // $ adb shell setprop config.override_forced_orient true
1482                // $ adb shell wm size reset
1483                !"true".equals(SystemProperties.get("config.override_forced_orient"));
1484    }
1485
1486    /**
1487     * @return whether the navigation bar can be hidden, e.g. the device has a
1488     *         navigation bar and touch exploration is not enabled
1489     */
1490    private boolean canHideNavigationBar() {
1491        return mHasNavigationBar
1492                && !mAccessibilityManager.isTouchExplorationEnabled();
1493    }
1494
1495    @Override
1496    public boolean isDefaultOrientationForced() {
1497        return mForceDefaultOrientation;
1498    }
1499
1500    @Override
1501    public void setDisplayOverscan(Display display, int left, int top, int right, int bottom) {
1502        if (display.getDisplayId() == Display.DEFAULT_DISPLAY) {
1503            mOverscanLeft = left;
1504            mOverscanTop = top;
1505            mOverscanRight = right;
1506            mOverscanBottom = bottom;
1507        }
1508    }
1509
1510    public void updateSettings() {
1511        ContentResolver resolver = mContext.getContentResolver();
1512        boolean updateRotation = false;
1513        synchronized (mLock) {
1514            mEndcallBehavior = Settings.System.getIntForUser(resolver,
1515                    Settings.System.END_BUTTON_BEHAVIOR,
1516                    Settings.System.END_BUTTON_BEHAVIOR_DEFAULT,
1517                    UserHandle.USER_CURRENT);
1518            mIncallPowerBehavior = Settings.Secure.getIntForUser(resolver,
1519                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
1520                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT,
1521                    UserHandle.USER_CURRENT);
1522
1523            // Configure wake gesture.
1524            boolean wakeGestureEnabledSetting = Settings.Secure.getIntForUser(resolver,
1525                    Settings.Secure.WAKE_GESTURE_ENABLED, 0,
1526                    UserHandle.USER_CURRENT) != 0;
1527            if (mWakeGestureEnabledSetting != wakeGestureEnabledSetting) {
1528                mWakeGestureEnabledSetting = wakeGestureEnabledSetting;
1529                updateWakeGestureListenerLp();
1530            }
1531
1532            // Configure rotation lock.
1533            int userRotation = Settings.System.getIntForUser(resolver,
1534                    Settings.System.USER_ROTATION, Surface.ROTATION_0,
1535                    UserHandle.USER_CURRENT);
1536            if (mUserRotation != userRotation) {
1537                mUserRotation = userRotation;
1538                updateRotation = true;
1539            }
1540            int userRotationMode = Settings.System.getIntForUser(resolver,
1541                    Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
1542                            WindowManagerPolicy.USER_ROTATION_FREE :
1543                                    WindowManagerPolicy.USER_ROTATION_LOCKED;
1544            if (mUserRotationMode != userRotationMode) {
1545                mUserRotationMode = userRotationMode;
1546                updateRotation = true;
1547                updateOrientationListenerLp();
1548            }
1549
1550            if (mSystemReady) {
1551                int pointerLocation = Settings.System.getIntForUser(resolver,
1552                        Settings.System.POINTER_LOCATION, 0, UserHandle.USER_CURRENT);
1553                if (mPointerLocationMode != pointerLocation) {
1554                    mPointerLocationMode = pointerLocation;
1555                    mHandler.sendEmptyMessage(pointerLocation != 0 ?
1556                            MSG_ENABLE_POINTER_LOCATION : MSG_DISABLE_POINTER_LOCATION);
1557                }
1558            }
1559            // use screen off timeout setting as the timeout for the lockscreen
1560            mLockScreenTimeout = Settings.System.getIntForUser(resolver,
1561                    Settings.System.SCREEN_OFF_TIMEOUT, 0, UserHandle.USER_CURRENT);
1562            String imId = Settings.Secure.getStringForUser(resolver,
1563                    Settings.Secure.DEFAULT_INPUT_METHOD, UserHandle.USER_CURRENT);
1564            boolean hasSoftInput = imId != null && imId.length() > 0;
1565            if (mHasSoftInput != hasSoftInput) {
1566                mHasSoftInput = hasSoftInput;
1567                updateRotation = true;
1568            }
1569            if (mImmersiveModeConfirmation != null) {
1570                mImmersiveModeConfirmation.loadSetting(mCurrentUserId);
1571            }
1572            PolicyControl.reloadFromSetting(mContext);
1573        }
1574        if (updateRotation) {
1575            updateRotation(true);
1576        }
1577    }
1578
1579    private void updateWakeGestureListenerLp() {
1580        if (shouldEnableWakeGestureLp()) {
1581            mWakeGestureListener.requestWakeUpTrigger();
1582        } else {
1583            mWakeGestureListener.cancelWakeUpTrigger();
1584        }
1585    }
1586
1587    private boolean shouldEnableWakeGestureLp() {
1588        return mWakeGestureEnabledSetting && !mAwake
1589                && (!mLidControlsSleep || mLidState != LID_CLOSED)
1590                && mWakeGestureListener.isSupported();
1591    }
1592
1593    private void enablePointerLocation() {
1594        if (mPointerLocationView == null) {
1595            mPointerLocationView = new PointerLocationView(mContext);
1596            mPointerLocationView.setPrintCoords(false);
1597            WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
1598                    WindowManager.LayoutParams.MATCH_PARENT,
1599                    WindowManager.LayoutParams.MATCH_PARENT);
1600            lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
1601            lp.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN
1602                    | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
1603                    | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
1604                    | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
1605            if (ActivityManager.isHighEndGfx()) {
1606                lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
1607                lp.privateFlags |=
1608                        WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED;
1609            }
1610            lp.format = PixelFormat.TRANSLUCENT;
1611            lp.setTitle("PointerLocation");
1612            WindowManager wm = (WindowManager)
1613                    mContext.getSystemService(Context.WINDOW_SERVICE);
1614            lp.inputFeatures |= WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL;
1615            wm.addView(mPointerLocationView, lp);
1616            mWindowManagerFuncs.registerPointerEventListener(mPointerLocationView);
1617        }
1618    }
1619
1620    private void disablePointerLocation() {
1621        if (mPointerLocationView != null) {
1622            mWindowManagerFuncs.unregisterPointerEventListener(mPointerLocationView);
1623            WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
1624            wm.removeView(mPointerLocationView);
1625            mPointerLocationView = null;
1626        }
1627    }
1628
1629    private int readRotation(int resID) {
1630        try {
1631            int rotation = mContext.getResources().getInteger(resID);
1632            switch (rotation) {
1633                case 0:
1634                    return Surface.ROTATION_0;
1635                case 90:
1636                    return Surface.ROTATION_90;
1637                case 180:
1638                    return Surface.ROTATION_180;
1639                case 270:
1640                    return Surface.ROTATION_270;
1641            }
1642        } catch (Resources.NotFoundException e) {
1643            // fall through
1644        }
1645        return -1;
1646    }
1647
1648    /** {@inheritDoc} */
1649    @Override
1650    public int checkAddPermission(WindowManager.LayoutParams attrs, int[] outAppOp) {
1651        int type = attrs.type;
1652
1653        outAppOp[0] = AppOpsManager.OP_NONE;
1654
1655        if (!((type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW)
1656                || (type >= FIRST_SUB_WINDOW && type <= LAST_SUB_WINDOW)
1657                || (type >= FIRST_SYSTEM_WINDOW && type <= LAST_SYSTEM_WINDOW))) {
1658            return WindowManagerGlobal.ADD_INVALID_TYPE;
1659        }
1660
1661        if (type < FIRST_SYSTEM_WINDOW || type > LAST_SYSTEM_WINDOW) {
1662            // Window manager will make sure these are okay.
1663            return WindowManagerGlobal.ADD_OKAY;
1664        }
1665        String permission = null;
1666        switch (type) {
1667            case TYPE_TOAST:
1668                // XXX right now the app process has complete control over
1669                // this...  should introduce a token to let the system
1670                // monitor/control what they are doing.
1671                outAppOp[0] = AppOpsManager.OP_TOAST_WINDOW;
1672                break;
1673            case TYPE_DREAM:
1674            case TYPE_INPUT_METHOD:
1675            case TYPE_WALLPAPER:
1676            case TYPE_PRIVATE_PRESENTATION:
1677            case TYPE_VOICE_INTERACTION:
1678            case TYPE_ACCESSIBILITY_OVERLAY:
1679                // The window manager will check these.
1680                break;
1681            case TYPE_PHONE:
1682            case TYPE_PRIORITY_PHONE:
1683            case TYPE_SYSTEM_ALERT:
1684            case TYPE_SYSTEM_ERROR:
1685            case TYPE_SYSTEM_OVERLAY:
1686                permission = android.Manifest.permission.SYSTEM_ALERT_WINDOW;
1687                outAppOp[0] = AppOpsManager.OP_SYSTEM_ALERT_WINDOW;
1688                break;
1689            default:
1690                permission = android.Manifest.permission.INTERNAL_SYSTEM_WINDOW;
1691        }
1692        if (permission != null) {
1693            if (mContext.checkCallingOrSelfPermission(permission)
1694                    != PackageManager.PERMISSION_GRANTED) {
1695                return WindowManagerGlobal.ADD_PERMISSION_DENIED;
1696            }
1697        }
1698        return WindowManagerGlobal.ADD_OKAY;
1699    }
1700
1701    @Override
1702    public boolean checkShowToOwnerOnly(WindowManager.LayoutParams attrs) {
1703
1704        // If this switch statement is modified, modify the comment in the declarations of
1705        // the type in {@link WindowManager.LayoutParams} as well.
1706        switch (attrs.type) {
1707            default:
1708                // These are the windows that by default are shown only to the user that created
1709                // them. If this needs to be overridden, set
1710                // {@link WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS} in
1711                // {@link WindowManager.LayoutParams}. Note that permission
1712                // {@link android.Manifest.permission.INTERNAL_SYSTEM_WINDOW} is required as well.
1713                if ((attrs.privateFlags & PRIVATE_FLAG_SHOW_FOR_ALL_USERS) == 0) {
1714                    return true;
1715                }
1716                break;
1717
1718            // These are the windows that by default are shown to all users. However, to
1719            // protect against spoofing, check permissions below.
1720            case TYPE_APPLICATION_STARTING:
1721            case TYPE_BOOT_PROGRESS:
1722            case TYPE_DISPLAY_OVERLAY:
1723            case TYPE_HIDDEN_NAV_CONSUMER:
1724            case TYPE_KEYGUARD_SCRIM:
1725            case TYPE_KEYGUARD_DIALOG:
1726            case TYPE_MAGNIFICATION_OVERLAY:
1727            case TYPE_NAVIGATION_BAR:
1728            case TYPE_NAVIGATION_BAR_PANEL:
1729            case TYPE_PHONE:
1730            case TYPE_POINTER:
1731            case TYPE_PRIORITY_PHONE:
1732            case TYPE_SEARCH_BAR:
1733            case TYPE_STATUS_BAR:
1734            case TYPE_STATUS_BAR_PANEL:
1735            case TYPE_STATUS_BAR_SUB_PANEL:
1736            case TYPE_SYSTEM_DIALOG:
1737            case TYPE_VOLUME_OVERLAY:
1738            case TYPE_PRIVATE_PRESENTATION:
1739                break;
1740        }
1741
1742        // Check if third party app has set window to system window type.
1743        return mContext.checkCallingOrSelfPermission(
1744                android.Manifest.permission.INTERNAL_SYSTEM_WINDOW)
1745                        != PackageManager.PERMISSION_GRANTED;
1746    }
1747
1748    @Override
1749    public void adjustWindowParamsLw(WindowManager.LayoutParams attrs) {
1750        switch (attrs.type) {
1751            case TYPE_SYSTEM_OVERLAY:
1752            case TYPE_SECURE_SYSTEM_OVERLAY:
1753                // These types of windows can't receive input events.
1754                attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
1755                        | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
1756                attrs.flags &= ~WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
1757                break;
1758            case TYPE_STATUS_BAR:
1759
1760                // If the Keyguard is in a hidden state (occluded by another window), we force to
1761                // remove the wallpaper and keyguard flag so that any change in-flight after setting
1762                // the keyguard as occluded wouldn't set these flags again.
1763                // See {@link #processKeyguardSetHiddenResultLw}.
1764                if (mKeyguardHidden) {
1765                    attrs.flags &= ~WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
1766                    attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
1767                }
1768                break;
1769        }
1770
1771        if (attrs.type != TYPE_STATUS_BAR) {
1772            // The status bar is the only window allowed to exhibit keyguard behavior.
1773            attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
1774        }
1775
1776        if (ActivityManager.isHighEndGfx()
1777                && (attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0) {
1778            attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
1779                    | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
1780        }
1781    }
1782
1783    void readLidState() {
1784        mLidState = mWindowManagerFuncs.getLidState();
1785    }
1786
1787    private void readCameraLensCoverState() {
1788        mCameraLensCoverState = mWindowManagerFuncs.getCameraLensCoverState();
1789    }
1790
1791    private boolean isHidden(int accessibilityMode) {
1792        switch (accessibilityMode) {
1793            case 1:
1794                return mLidState == LID_CLOSED;
1795            case 2:
1796                return mLidState == LID_OPEN;
1797            default:
1798                return false;
1799        }
1800    }
1801
1802    /** {@inheritDoc} */
1803    @Override
1804    public void adjustConfigurationLw(Configuration config, int keyboardPresence,
1805            int navigationPresence) {
1806        mHaveBuiltInKeyboard = (keyboardPresence & PRESENCE_INTERNAL) != 0;
1807
1808        readConfigurationDependentBehaviors();
1809        readLidState();
1810        applyLidSwitchState();
1811
1812        if (config.keyboard == Configuration.KEYBOARD_NOKEYS
1813                || (keyboardPresence == PRESENCE_INTERNAL
1814                        && isHidden(mLidKeyboardAccessibility))) {
1815            config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_YES;
1816            if (!mHasSoftInput) {
1817                config.keyboardHidden = Configuration.KEYBOARDHIDDEN_YES;
1818            }
1819        }
1820
1821        if (config.navigation == Configuration.NAVIGATION_NONAV
1822                || (navigationPresence == PRESENCE_INTERNAL
1823                        && isHidden(mLidNavigationAccessibility))) {
1824            config.navigationHidden = Configuration.NAVIGATIONHIDDEN_YES;
1825        }
1826    }
1827
1828    /** {@inheritDoc} */
1829    @Override
1830    public int windowTypeToLayerLw(int type) {
1831        if (type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW) {
1832            return 2;
1833        }
1834        switch (type) {
1835        case TYPE_PRIVATE_PRESENTATION:
1836            return 2;
1837        case TYPE_WALLPAPER:
1838            // wallpaper is at the bottom, though the window manager may move it.
1839            return 2;
1840        case TYPE_PHONE:
1841            return 3;
1842        case TYPE_SEARCH_BAR:
1843            return 4;
1844        case TYPE_VOICE_INTERACTION:
1845            // voice interaction layer is almost immediately above apps.
1846            return 5;
1847        case TYPE_SYSTEM_DIALOG:
1848            return 6;
1849        case TYPE_TOAST:
1850            // toasts and the plugged-in battery thing
1851            return 7;
1852        case TYPE_PRIORITY_PHONE:
1853            // SIM errors and unlock.  Not sure if this really should be in a high layer.
1854            return 8;
1855        case TYPE_DREAM:
1856            // used for Dreams (screensavers with TYPE_DREAM windows)
1857            return 9;
1858        case TYPE_SYSTEM_ALERT:
1859            // like the ANR / app crashed dialogs
1860            return 10;
1861        case TYPE_INPUT_METHOD:
1862            // on-screen keyboards and other such input method user interfaces go here.
1863            return 11;
1864        case TYPE_INPUT_METHOD_DIALOG:
1865            // on-screen keyboards and other such input method user interfaces go here.
1866            return 12;
1867        case TYPE_KEYGUARD_SCRIM:
1868            // the safety window that shows behind keyguard while keyguard is starting
1869            return 13;
1870        case TYPE_STATUS_BAR_SUB_PANEL:
1871            return 14;
1872        case TYPE_STATUS_BAR:
1873            return 15;
1874        case TYPE_STATUS_BAR_PANEL:
1875            return 16;
1876        case TYPE_KEYGUARD_DIALOG:
1877            return 17;
1878        case TYPE_VOLUME_OVERLAY:
1879            // the on-screen volume indicator and controller shown when the user
1880            // changes the device volume
1881            return 18;
1882        case TYPE_SYSTEM_OVERLAY:
1883            // the on-screen volume indicator and controller shown when the user
1884            // changes the device volume
1885            return 19;
1886        case TYPE_NAVIGATION_BAR:
1887            // the navigation bar, if available, shows atop most things
1888            return 20;
1889        case TYPE_NAVIGATION_BAR_PANEL:
1890            // some panels (e.g. search) need to show on top of the navigation bar
1891            return 21;
1892        case TYPE_SYSTEM_ERROR:
1893            // system-level error dialogs
1894            return 22;
1895        case TYPE_MAGNIFICATION_OVERLAY:
1896            // used to highlight the magnified portion of a display
1897            return 23;
1898        case TYPE_DISPLAY_OVERLAY:
1899            // used to simulate secondary display devices
1900            return 24;
1901        case TYPE_DRAG:
1902            // the drag layer: input for drag-and-drop is associated with this window,
1903            // which sits above all other focusable windows
1904            return 25;
1905        case TYPE_ACCESSIBILITY_OVERLAY:
1906            // overlay put by accessibility services to intercept user interaction
1907            return 26;
1908        case TYPE_SECURE_SYSTEM_OVERLAY:
1909            return 27;
1910        case TYPE_BOOT_PROGRESS:
1911            return 28;
1912        case TYPE_POINTER:
1913            // the (mouse) pointer layer
1914            return 29;
1915        case TYPE_HIDDEN_NAV_CONSUMER:
1916            return 30;
1917        }
1918        Log.e(TAG, "Unknown window type: " + type);
1919        return 2;
1920    }
1921
1922    /** {@inheritDoc} */
1923    @Override
1924    public int subWindowTypeToLayerLw(int type) {
1925        switch (type) {
1926        case TYPE_APPLICATION_PANEL:
1927        case TYPE_APPLICATION_ATTACHED_DIALOG:
1928            return APPLICATION_PANEL_SUBLAYER;
1929        case TYPE_APPLICATION_MEDIA:
1930            return APPLICATION_MEDIA_SUBLAYER;
1931        case TYPE_APPLICATION_MEDIA_OVERLAY:
1932            return APPLICATION_MEDIA_OVERLAY_SUBLAYER;
1933        case TYPE_APPLICATION_SUB_PANEL:
1934            return APPLICATION_SUB_PANEL_SUBLAYER;
1935        }
1936        Log.e(TAG, "Unknown sub-window type: " + type);
1937        return 0;
1938    }
1939
1940    @Override
1941    public int getMaxWallpaperLayer() {
1942        return windowTypeToLayerLw(TYPE_STATUS_BAR);
1943    }
1944
1945    @Override
1946    public int getNonDecorDisplayWidth(int fullWidth, int fullHeight, int rotation) {
1947        if (mHasNavigationBar) {
1948            // For a basic navigation bar, when we are in landscape mode we place
1949            // the navigation bar to the side.
1950            if (mNavigationBarCanMove && fullWidth > fullHeight) {
1951                return fullWidth - mNavigationBarWidthForRotation[rotation];
1952            }
1953        }
1954        return fullWidth;
1955    }
1956
1957    @Override
1958    public int getNonDecorDisplayHeight(int fullWidth, int fullHeight, int rotation) {
1959        if (mHasNavigationBar) {
1960            // For a basic navigation bar, when we are in portrait mode we place
1961            // the navigation bar to the bottom.
1962            if (!mNavigationBarCanMove || fullWidth < fullHeight) {
1963                return fullHeight - mNavigationBarHeightForRotation[rotation];
1964            }
1965        }
1966        return fullHeight;
1967    }
1968
1969    @Override
1970    public int getConfigDisplayWidth(int fullWidth, int fullHeight, int rotation) {
1971        return getNonDecorDisplayWidth(fullWidth, fullHeight, rotation);
1972    }
1973
1974    @Override
1975    public int getConfigDisplayHeight(int fullWidth, int fullHeight, int rotation) {
1976        // There is a separate status bar at the top of the display.  We don't count that as part
1977        // of the fixed decor, since it can hide; however, for purposes of configurations,
1978        // we do want to exclude it since applications can't generally use that part
1979        // of the screen.
1980        return getNonDecorDisplayHeight(fullWidth, fullHeight, rotation) - mStatusBarHeight;
1981    }
1982
1983    @Override
1984    public boolean isForceHiding(WindowManager.LayoutParams attrs) {
1985        return (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 ||
1986                (isKeyguardHostWindow(attrs) &&
1987                        (mKeyguardDelegate != null && mKeyguardDelegate.isShowing())) ||
1988                (attrs.type == TYPE_KEYGUARD_SCRIM);
1989    }
1990
1991    @Override
1992    public boolean isKeyguardHostWindow(WindowManager.LayoutParams attrs) {
1993        return attrs.type == TYPE_STATUS_BAR;
1994    }
1995
1996    @Override
1997    public boolean canBeForceHidden(WindowState win, WindowManager.LayoutParams attrs) {
1998        switch (attrs.type) {
1999            case TYPE_STATUS_BAR:
2000            case TYPE_NAVIGATION_BAR:
2001            case TYPE_WALLPAPER:
2002            case TYPE_DREAM:
2003            case TYPE_KEYGUARD_SCRIM:
2004                return false;
2005            default:
2006                return true;
2007        }
2008    }
2009
2010    @Override
2011    public WindowState getWinShowWhenLockedLw() {
2012        return mWinShowWhenLocked;
2013    }
2014
2015    /** {@inheritDoc} */
2016    @Override
2017    public View addStartingWindow(IBinder appToken, String packageName, int theme,
2018            CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes,
2019            int icon, int logo, int windowFlags) {
2020        if (!SHOW_STARTING_ANIMATIONS) {
2021            return null;
2022        }
2023        if (packageName == null) {
2024            return null;
2025        }
2026
2027        WindowManager wm = null;
2028        View view = null;
2029
2030        try {
2031            Context context = mContext;
2032            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow " + packageName
2033                    + ": nonLocalizedLabel=" + nonLocalizedLabel + " theme="
2034                    + Integer.toHexString(theme));
2035            if (theme != context.getThemeResId() || labelRes != 0) {
2036                try {
2037                    context = context.createPackageContext(packageName, 0);
2038                    context.setTheme(theme);
2039                } catch (PackageManager.NameNotFoundException e) {
2040                    // Ignore
2041                }
2042            }
2043
2044            Window win = new PhoneWindow(context);
2045            final TypedArray ta = win.getWindowStyle();
2046            if (ta.getBoolean(
2047                        com.android.internal.R.styleable.Window_windowDisablePreview, false)
2048                || ta.getBoolean(
2049                        com.android.internal.R.styleable.Window_windowShowWallpaper,false)) {
2050                return null;
2051            }
2052
2053            Resources r = context.getResources();
2054            win.setTitle(r.getText(labelRes, nonLocalizedLabel));
2055
2056            win.setType(
2057                WindowManager.LayoutParams.TYPE_APPLICATION_STARTING);
2058            // Force the window flags: this is a fake window, so it is not really
2059            // touchable or focusable by the user.  We also add in the ALT_FOCUSABLE_IM
2060            // flag because we do know that the next window will take input
2061            // focus, so we want to get the IME window up on top of us right away.
2062            win.setFlags(
2063                windowFlags|
2064                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2065                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2066                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
2067                windowFlags|
2068                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2069                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2070                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
2071
2072            win.setDefaultIcon(icon);
2073            win.setDefaultLogo(logo);
2074
2075            win.setLayout(WindowManager.LayoutParams.MATCH_PARENT,
2076                    WindowManager.LayoutParams.MATCH_PARENT);
2077
2078            final WindowManager.LayoutParams params = win.getAttributes();
2079            params.token = appToken;
2080            params.packageName = packageName;
2081            params.windowAnimations = win.getWindowStyle().getResourceId(
2082                    com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
2083            params.privateFlags |=
2084                    WindowManager.LayoutParams.PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED;
2085            params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
2086
2087            if (!compatInfo.supportsScreen()) {
2088                params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW;
2089            }
2090
2091            params.setTitle("Starting " + packageName);
2092
2093            wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
2094            view = win.getDecorView();
2095
2096            if (win.isFloating()) {
2097                // Whoops, there is no way to display an animation/preview
2098                // of such a thing!  After all that work...  let's skip it.
2099                // (Note that we must do this here because it is in
2100                // getDecorView() where the theme is evaluated...  maybe
2101                // we should peek the floating attribute from the theme
2102                // earlier.)
2103                return null;
2104            }
2105
2106            if (DEBUG_STARTING_WINDOW) Slog.d(
2107                TAG, "Adding starting window for " + packageName
2108                + " / " + appToken + ": "
2109                + (view.getParent() != null ? view : null));
2110
2111            wm.addView(view, params);
2112
2113            // Only return the view if it was successfully added to the
2114            // window manager... which we can tell by it having a parent.
2115            return view.getParent() != null ? view : null;
2116        } catch (WindowManager.BadTokenException e) {
2117            // ignore
2118            Log.w(TAG, appToken + " already running, starting window not displayed. " +
2119                    e.getMessage());
2120        } catch (RuntimeException e) {
2121            // don't crash if something else bad happens, for example a
2122            // failure loading resources because we are loading from an app
2123            // on external storage that has been unmounted.
2124            Log.w(TAG, appToken + " failed creating starting window", e);
2125        } finally {
2126            if (view != null && view.getParent() == null) {
2127                Log.w(TAG, "view not successfully added to wm, removing view");
2128                wm.removeViewImmediate(view);
2129            }
2130        }
2131
2132        return null;
2133    }
2134
2135    /** {@inheritDoc} */
2136    @Override
2137    public void removeStartingWindow(IBinder appToken, View window) {
2138        if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Removing starting window for " + appToken + ": "
2139                + window + " Callers=" + Debug.getCallers(4));
2140
2141        if (window != null) {
2142            WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
2143            wm.removeView(window);
2144        }
2145    }
2146
2147    /**
2148     * Preflight adding a window to the system.
2149     *
2150     * Currently enforces that three window types are singletons:
2151     * <ul>
2152     * <li>STATUS_BAR_TYPE</li>
2153     * <li>KEYGUARD_TYPE</li>
2154     * </ul>
2155     *
2156     * @param win The window to be added
2157     * @param attrs Information about the window to be added
2158     *
2159     * @return If ok, WindowManagerImpl.ADD_OKAY.  If too many singletons,
2160     * WindowManagerImpl.ADD_MULTIPLE_SINGLETON
2161     */
2162    @Override
2163    public int prepareAddWindowLw(WindowState win, WindowManager.LayoutParams attrs) {
2164        switch (attrs.type) {
2165            case TYPE_STATUS_BAR:
2166                mContext.enforceCallingOrSelfPermission(
2167                        android.Manifest.permission.STATUS_BAR_SERVICE,
2168                        "PhoneWindowManager");
2169                if (mStatusBar != null) {
2170                    if (mStatusBar.isAlive()) {
2171                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2172                    }
2173                }
2174                mStatusBar = win;
2175                mStatusBarController.setWindow(win);
2176                break;
2177            case TYPE_NAVIGATION_BAR:
2178                mContext.enforceCallingOrSelfPermission(
2179                        android.Manifest.permission.STATUS_BAR_SERVICE,
2180                        "PhoneWindowManager");
2181                if (mNavigationBar != null) {
2182                    if (mNavigationBar.isAlive()) {
2183                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2184                    }
2185                }
2186                mNavigationBar = win;
2187                mNavigationBarController.setWindow(win);
2188                if (DEBUG_LAYOUT) Slog.i(TAG, "NAVIGATION BAR: " + mNavigationBar);
2189                break;
2190            case TYPE_NAVIGATION_BAR_PANEL:
2191                mContext.enforceCallingOrSelfPermission(
2192                        android.Manifest.permission.STATUS_BAR_SERVICE,
2193                        "PhoneWindowManager");
2194                break;
2195            case TYPE_STATUS_BAR_PANEL:
2196                mContext.enforceCallingOrSelfPermission(
2197                        android.Manifest.permission.STATUS_BAR_SERVICE,
2198                        "PhoneWindowManager");
2199                break;
2200            case TYPE_STATUS_BAR_SUB_PANEL:
2201                mContext.enforceCallingOrSelfPermission(
2202                        android.Manifest.permission.STATUS_BAR_SERVICE,
2203                        "PhoneWindowManager");
2204                break;
2205            case TYPE_KEYGUARD_SCRIM:
2206                if (mKeyguardScrim != null) {
2207                    return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2208                }
2209                mKeyguardScrim = win;
2210                break;
2211        }
2212        return WindowManagerGlobal.ADD_OKAY;
2213    }
2214
2215    /** {@inheritDoc} */
2216    @Override
2217    public void removeWindowLw(WindowState win) {
2218        if (mStatusBar == win) {
2219            mStatusBar = null;
2220            mStatusBarController.setWindow(null);
2221            mKeyguardDelegate.showScrim();
2222        } else if (mKeyguardScrim == win) {
2223            Log.v(TAG, "Removing keyguard scrim");
2224            mKeyguardScrim = null;
2225        } if (mNavigationBar == win) {
2226            mNavigationBar = null;
2227            mNavigationBarController.setWindow(null);
2228        }
2229    }
2230
2231    static final boolean PRINT_ANIM = false;
2232
2233    /** {@inheritDoc} */
2234    @Override
2235    public int selectAnimationLw(WindowState win, int transit) {
2236        if (PRINT_ANIM) Log.i(TAG, "selectAnimation in " + win
2237              + ": transit=" + transit);
2238        if (win == mStatusBar) {
2239            boolean isKeyguard = (win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
2240            if (transit == TRANSIT_EXIT
2241                    || transit == TRANSIT_HIDE) {
2242                return isKeyguard ? -1 : R.anim.dock_top_exit;
2243            } else if (transit == TRANSIT_ENTER
2244                    || transit == TRANSIT_SHOW) {
2245                return isKeyguard ? -1 : R.anim.dock_top_enter;
2246            }
2247        } else if (win == mNavigationBar) {
2248            // This can be on either the bottom or the right.
2249            if (mNavigationBarOnBottom) {
2250                if (transit == TRANSIT_EXIT
2251                        || transit == TRANSIT_HIDE) {
2252                    return R.anim.dock_bottom_exit;
2253                } else if (transit == TRANSIT_ENTER
2254                        || transit == TRANSIT_SHOW) {
2255                    return R.anim.dock_bottom_enter;
2256                }
2257            } else {
2258                if (transit == TRANSIT_EXIT
2259                        || transit == TRANSIT_HIDE) {
2260                    return R.anim.dock_right_exit;
2261                } else if (transit == TRANSIT_ENTER
2262                        || transit == TRANSIT_SHOW) {
2263                    return R.anim.dock_right_enter;
2264                }
2265            }
2266        }
2267
2268        if (transit == TRANSIT_PREVIEW_DONE) {
2269            if (win.hasAppShownWindows()) {
2270                if (PRINT_ANIM) Log.i(TAG, "**** STARTING EXIT");
2271                return com.android.internal.R.anim.app_starting_exit;
2272            }
2273        } else if (win.getAttrs().type == TYPE_DREAM && mDreamingLockscreen
2274                && transit == TRANSIT_ENTER) {
2275            // Special case: we are animating in a dream, while the keyguard
2276            // is shown.  We don't want an animation on the dream, because
2277            // we need it shown immediately with the keyguard animating away
2278            // to reveal it.
2279            return -1;
2280        }
2281
2282        return 0;
2283    }
2284
2285    @Override
2286    public void selectRotationAnimationLw(int anim[]) {
2287        if (PRINT_ANIM) Slog.i(TAG, "selectRotationAnimation mTopFullscreen="
2288                + mTopFullscreenOpaqueWindowState + " rotationAnimation="
2289                + (mTopFullscreenOpaqueWindowState == null ?
2290                        "0" : mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation));
2291        if (mTopFullscreenOpaqueWindowState != null && mTopIsFullscreen) {
2292            switch (mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation) {
2293                case ROTATION_ANIMATION_CROSSFADE:
2294                    anim[0] = R.anim.rotation_animation_xfade_exit;
2295                    anim[1] = R.anim.rotation_animation_enter;
2296                    break;
2297                case ROTATION_ANIMATION_JUMPCUT:
2298                    anim[0] = R.anim.rotation_animation_jump_exit;
2299                    anim[1] = R.anim.rotation_animation_enter;
2300                    break;
2301                case ROTATION_ANIMATION_ROTATE:
2302                default:
2303                    anim[0] = anim[1] = 0;
2304                    break;
2305            }
2306        } else {
2307            anim[0] = anim[1] = 0;
2308        }
2309    }
2310
2311    @Override
2312    public boolean validateRotationAnimationLw(int exitAnimId, int enterAnimId,
2313            boolean forceDefault) {
2314        switch (exitAnimId) {
2315            case R.anim.rotation_animation_xfade_exit:
2316            case R.anim.rotation_animation_jump_exit:
2317                // These are the only cases that matter.
2318                if (forceDefault) {
2319                    return false;
2320                }
2321                int anim[] = new int[2];
2322                selectRotationAnimationLw(anim);
2323                return (exitAnimId == anim[0] && enterAnimId == anim[1]);
2324            default:
2325                return true;
2326        }
2327    }
2328
2329    @Override
2330    public Animation createForceHideEnterAnimation(boolean onWallpaper,
2331            boolean goingToNotificationShade) {
2332        if (goingToNotificationShade) {
2333            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_behind_enter_fade_in);
2334        }
2335
2336        AnimationSet set = (AnimationSet) AnimationUtils.loadAnimation(mContext, onWallpaper ?
2337                    R.anim.lock_screen_behind_enter_wallpaper :
2338                    R.anim.lock_screen_behind_enter);
2339
2340        // TODO: Use XML interpolators when we have log interpolators available in XML.
2341        final List<Animation> animations = set.getAnimations();
2342        for (int i = animations.size() - 1; i >= 0; --i) {
2343            animations.get(i).setInterpolator(mLogDecelerateInterpolator);
2344        }
2345
2346        return set;
2347    }
2348
2349
2350    @Override
2351    public Animation createForceHideWallpaperExitAnimation(boolean goingToNotificationShade) {
2352        if (goingToNotificationShade) {
2353            return null;
2354        } else {
2355            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_wallpaper_exit);
2356        }
2357    }
2358
2359    private static void awakenDreams() {
2360        IDreamManager dreamManager = getDreamManager();
2361        if (dreamManager != null) {
2362            try {
2363                dreamManager.awaken();
2364            } catch (RemoteException e) {
2365                // fine, stay asleep then
2366            }
2367        }
2368    }
2369
2370    static IDreamManager getDreamManager() {
2371        return IDreamManager.Stub.asInterface(
2372                ServiceManager.checkService(DreamService.DREAM_SERVICE));
2373    }
2374
2375    TelecomManager getTelecommService() {
2376        return (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE);
2377    }
2378
2379    static IAudioService getAudioService() {
2380        IAudioService audioService = IAudioService.Stub.asInterface(
2381                ServiceManager.checkService(Context.AUDIO_SERVICE));
2382        if (audioService == null) {
2383            Log.w(TAG, "Unable to find IAudioService interface.");
2384        }
2385        return audioService;
2386    }
2387
2388    boolean keyguardOn() {
2389        return isKeyguardShowingAndNotOccluded() || inKeyguardRestrictedKeyInputMode();
2390    }
2391
2392    private static final int[] WINDOW_TYPES_WHERE_HOME_DOESNT_WORK = {
2393            WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
2394            WindowManager.LayoutParams.TYPE_SYSTEM_ERROR,
2395        };
2396
2397    /** {@inheritDoc} */
2398    @Override
2399    public long interceptKeyBeforeDispatching(WindowState win, KeyEvent event, int policyFlags) {
2400        final boolean keyguardOn = keyguardOn();
2401        final int keyCode = event.getKeyCode();
2402        final int repeatCount = event.getRepeatCount();
2403        final int metaState = event.getMetaState();
2404        final int flags = event.getFlags();
2405        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
2406        final boolean canceled = event.isCanceled();
2407
2408        if (DEBUG_INPUT) {
2409            Log.d(TAG, "interceptKeyTi keyCode=" + keyCode + " down=" + down + " repeatCount="
2410                    + repeatCount + " keyguardOn=" + keyguardOn + " mHomePressed=" + mHomePressed
2411                    + " canceled=" + canceled);
2412        }
2413
2414        // If we think we might have a volume down & power key chord on the way
2415        // but we're not sure, then tell the dispatcher to wait a little while and
2416        // try again later before dispatching.
2417        if (mScreenshotChordEnabled && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
2418            if (mScreenshotChordVolumeDownKeyTriggered && !mScreenshotChordPowerKeyTriggered) {
2419                final long now = SystemClock.uptimeMillis();
2420                final long timeoutTime = mScreenshotChordVolumeDownKeyTime
2421                        + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
2422                if (now < timeoutTime) {
2423                    return timeoutTime - now;
2424                }
2425            }
2426            if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
2427                    && mScreenshotChordVolumeDownKeyConsumed) {
2428                if (!down) {
2429                    mScreenshotChordVolumeDownKeyConsumed = false;
2430                }
2431                return -1;
2432            }
2433        }
2434
2435        // Cancel any pending meta actions if we see any other keys being pressed between the down
2436        // of the meta key and its corresponding up.
2437        if (mPendingMetaAction && !KeyEvent.isMetaKey(keyCode)) {
2438            mPendingMetaAction = false;
2439        }
2440
2441        // First we always handle the home key here, so applications
2442        // can never break it, although if keyguard is on, we do let
2443        // it handle it, because that gives us the correct 5 second
2444        // timeout.
2445        if (keyCode == KeyEvent.KEYCODE_HOME) {
2446
2447            // If we have released the home key, and didn't do anything else
2448            // while it was pressed, then it is time to go home!
2449            if (!down) {
2450                cancelPreloadRecentApps();
2451
2452                mHomePressed = false;
2453                if (mHomeConsumed) {
2454                    mHomeConsumed = false;
2455                    return -1;
2456                }
2457
2458                if (canceled) {
2459                    Log.i(TAG, "Ignoring HOME; event canceled.");
2460                    return -1;
2461                }
2462
2463                // If an incoming call is ringing, HOME is totally disabled.
2464                // (The user is already on the InCallUI at this point,
2465                // and his ONLY options are to answer or reject the call.)
2466                TelecomManager telecomManager = getTelecommService();
2467                if (telecomManager != null && telecomManager.isRinging()) {
2468                    Log.i(TAG, "Ignoring HOME; there's a ringing incoming call.");
2469                    return -1;
2470                }
2471
2472                // Delay handling home if a double-tap is possible.
2473                if (mDoubleTapOnHomeBehavior != DOUBLE_TAP_HOME_NOTHING) {
2474                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable); // just in case
2475                    mHomeDoubleTapPending = true;
2476                    mHandler.postDelayed(mHomeDoubleTapTimeoutRunnable,
2477                            ViewConfiguration.getDoubleTapTimeout());
2478                    return -1;
2479                }
2480
2481                handleShortPressOnHome();
2482                return -1;
2483            }
2484
2485            // If a system window has focus, then it doesn't make sense
2486            // right now to interact with applications.
2487            WindowManager.LayoutParams attrs = win != null ? win.getAttrs() : null;
2488            if (attrs != null) {
2489                final int type = attrs.type;
2490                if (type == WindowManager.LayoutParams.TYPE_KEYGUARD_SCRIM
2491                        || type == WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG
2492                        || (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
2493                    // the "app" is keyguard, so give it the key
2494                    return 0;
2495                }
2496                final int typeCount = WINDOW_TYPES_WHERE_HOME_DOESNT_WORK.length;
2497                for (int i=0; i<typeCount; i++) {
2498                    if (type == WINDOW_TYPES_WHERE_HOME_DOESNT_WORK[i]) {
2499                        // don't do anything, but also don't pass it to the app
2500                        return -1;
2501                    }
2502                }
2503            }
2504
2505            // Remember that home is pressed and handle special actions.
2506            if (repeatCount == 0) {
2507                mHomePressed = true;
2508                if (mHomeDoubleTapPending) {
2509                    mHomeDoubleTapPending = false;
2510                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable);
2511                    handleDoubleTapOnHome();
2512                } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI
2513                        || mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
2514                    preloadRecentApps();
2515                }
2516            } else if ((event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) {
2517                if (!keyguardOn) {
2518                    handleLongPressOnHome();
2519                }
2520            }
2521            return -1;
2522        } else if (keyCode == KeyEvent.KEYCODE_MENU) {
2523            // Hijack modified menu keys for debugging features
2524            final int chordBug = KeyEvent.META_SHIFT_ON;
2525
2526            if (down && repeatCount == 0) {
2527                if (mEnableShiftMenuBugReports && (metaState & chordBug) == chordBug) {
2528                    Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
2529                    mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT,
2530                            null, null, null, 0, null, null);
2531                    return -1;
2532                } else if (SHOW_PROCESSES_ON_ALT_MENU &&
2533                        (metaState & KeyEvent.META_ALT_ON) == KeyEvent.META_ALT_ON) {
2534                    Intent service = new Intent();
2535                    service.setClassName(mContext, "com.android.server.LoadAverageService");
2536                    ContentResolver res = mContext.getContentResolver();
2537                    boolean shown = Settings.Global.getInt(
2538                            res, Settings.Global.SHOW_PROCESSES, 0) != 0;
2539                    if (!shown) {
2540                        mContext.startService(service);
2541                    } else {
2542                        mContext.stopService(service);
2543                    }
2544                    Settings.Global.putInt(
2545                            res, Settings.Global.SHOW_PROCESSES, shown ? 0 : 1);
2546                    return -1;
2547                }
2548            }
2549        } else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
2550            if (down) {
2551                if (repeatCount == 0) {
2552                    mSearchKeyShortcutPending = true;
2553                    mConsumeSearchKeyUp = false;
2554                }
2555            } else {
2556                mSearchKeyShortcutPending = false;
2557                if (mConsumeSearchKeyUp) {
2558                    mConsumeSearchKeyUp = false;
2559                    return -1;
2560                }
2561            }
2562            return 0;
2563        } else if (keyCode == KeyEvent.KEYCODE_APP_SWITCH) {
2564            if (!keyguardOn) {
2565                if (down && repeatCount == 0) {
2566                    preloadRecentApps();
2567                } else if (!down) {
2568                    toggleRecentApps();
2569                }
2570            }
2571            return -1;
2572        } else if (keyCode == KeyEvent.KEYCODE_ASSIST) {
2573            if (down) {
2574                if (repeatCount == 0) {
2575                    mAssistKeyLongPressed = false;
2576                } else if (repeatCount == 1) {
2577                    mAssistKeyLongPressed = true;
2578                    if (!keyguardOn) {
2579                         launchAssistLongPressAction();
2580                    }
2581                }
2582            } else {
2583                if (mAssistKeyLongPressed) {
2584                    mAssistKeyLongPressed = false;
2585                } else {
2586                    if (!keyguardOn) {
2587                        launchAssistAction();
2588                    }
2589                }
2590            }
2591            return -1;
2592        } else if (keyCode == KeyEvent.KEYCODE_VOICE_ASSIST) {
2593            if (!down) {
2594                Intent voiceIntent;
2595                if (!keyguardOn) {
2596                    voiceIntent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
2597                } else {
2598                    voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
2599                    voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, true);
2600                }
2601                mContext.startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
2602            }
2603        } else if (keyCode == KeyEvent.KEYCODE_SYSRQ) {
2604            if (down && repeatCount == 0) {
2605                mHandler.post(mScreenshotRunnable);
2606            }
2607            return -1;
2608        } else if (keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP
2609                || keyCode == KeyEvent.KEYCODE_BRIGHTNESS_DOWN) {
2610            if (down) {
2611                int direction = keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP ? 1 : -1;
2612
2613                // Disable autobrightness if it's on
2614                int auto = Settings.System.getIntForUser(
2615                        mContext.getContentResolver(),
2616                        Settings.System.SCREEN_BRIGHTNESS_MODE,
2617                        Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
2618                        UserHandle.USER_CURRENT_OR_SELF);
2619                if (auto != 0) {
2620                    Settings.System.putIntForUser(mContext.getContentResolver(),
2621                            Settings.System.SCREEN_BRIGHTNESS_MODE,
2622                            Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
2623                            UserHandle.USER_CURRENT_OR_SELF);
2624                }
2625
2626                int min = mPowerManager.getMinimumScreenBrightnessSetting();
2627                int max = mPowerManager.getMaximumScreenBrightnessSetting();
2628                int step = (max - min + BRIGHTNESS_STEPS - 1) / BRIGHTNESS_STEPS * direction;
2629                int brightness = Settings.System.getIntForUser(mContext.getContentResolver(),
2630                        Settings.System.SCREEN_BRIGHTNESS,
2631                        mPowerManager.getDefaultScreenBrightnessSetting(),
2632                        UserHandle.USER_CURRENT_OR_SELF);
2633                brightness += step;
2634                // Make sure we don't go beyond the limits.
2635                brightness = Math.min(max, brightness);
2636                brightness = Math.max(min, brightness);
2637
2638                Settings.System.putIntForUser(mContext.getContentResolver(),
2639                        Settings.System.SCREEN_BRIGHTNESS, brightness,
2640                        UserHandle.USER_CURRENT_OR_SELF);
2641                mContext.startActivityAsUser(new Intent(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG),
2642                        UserHandle.CURRENT_OR_SELF);
2643            }
2644            return -1;
2645        } else if (KeyEvent.isMetaKey(keyCode)) {
2646            if (down) {
2647                mPendingMetaAction = true;
2648            } else if (mPendingMetaAction) {
2649                launchAssistAction(Intent.EXTRA_ASSIST_INPUT_HINT_KEYBOARD);
2650            }
2651            return -1;
2652        }
2653
2654        // Shortcuts are invoked through Search+key, so intercept those here
2655        // Any printing key that is chorded with Search should be consumed
2656        // even if no shortcut was invoked.  This prevents text from being
2657        // inadvertently inserted when using a keyboard that has built-in macro
2658        // shortcut keys (that emit Search+x) and some of them are not registered.
2659        if (mSearchKeyShortcutPending) {
2660            final KeyCharacterMap kcm = event.getKeyCharacterMap();
2661            if (kcm.isPrintingKey(keyCode)) {
2662                mConsumeSearchKeyUp = true;
2663                mSearchKeyShortcutPending = false;
2664                if (down && repeatCount == 0 && !keyguardOn) {
2665                    Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState);
2666                    if (shortcutIntent != null) {
2667                        shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2668                        try {
2669                            mContext.startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
2670                        } catch (ActivityNotFoundException ex) {
2671                            Slog.w(TAG, "Dropping shortcut key combination because "
2672                                    + "the activity to which it is registered was not found: "
2673                                    + "SEARCH+" + KeyEvent.keyCodeToString(keyCode), ex);
2674                        }
2675                    } else {
2676                        Slog.i(TAG, "Dropping unregistered shortcut key combination: "
2677                                + "SEARCH+" + KeyEvent.keyCodeToString(keyCode));
2678                    }
2679                }
2680                return -1;
2681            }
2682        }
2683
2684        // Invoke shortcuts using Meta.
2685        if (down && repeatCount == 0 && !keyguardOn
2686                && (metaState & KeyEvent.META_META_ON) != 0) {
2687            final KeyCharacterMap kcm = event.getKeyCharacterMap();
2688            if (kcm.isPrintingKey(keyCode)) {
2689                Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode,
2690                        metaState & ~(KeyEvent.META_META_ON
2691                                | KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_RIGHT_ON));
2692                if (shortcutIntent != null) {
2693                    shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2694                    try {
2695                        mContext.startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
2696                    } catch (ActivityNotFoundException ex) {
2697                        Slog.w(TAG, "Dropping shortcut key combination because "
2698                                + "the activity to which it is registered was not found: "
2699                                + "META+" + KeyEvent.keyCodeToString(keyCode), ex);
2700                    }
2701                    return -1;
2702                }
2703            }
2704        }
2705
2706        // Handle application launch keys.
2707        if (down && repeatCount == 0 && !keyguardOn) {
2708            String category = sApplicationLaunchKeyCategories.get(keyCode);
2709            if (category != null) {
2710                Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, category);
2711                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2712                try {
2713                    mContext.startActivityAsUser(intent, UserHandle.CURRENT);
2714                } catch (ActivityNotFoundException ex) {
2715                    Slog.w(TAG, "Dropping application launch key because "
2716                            + "the activity to which it is registered was not found: "
2717                            + "keyCode=" + keyCode + ", category=" + category, ex);
2718                }
2719                return -1;
2720            }
2721        }
2722
2723        // Display task switcher for ALT-TAB.
2724        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_TAB) {
2725            if (mRecentAppsHeldModifiers == 0 && !keyguardOn) {
2726                final int shiftlessModifiers = event.getModifiers() & ~KeyEvent.META_SHIFT_MASK;
2727                if (KeyEvent.metaStateHasModifiers(shiftlessModifiers, KeyEvent.META_ALT_ON)) {
2728                    mRecentAppsHeldModifiers = shiftlessModifiers;
2729                    showRecentApps(true);
2730                    return -1;
2731                }
2732            }
2733        } else if (!down && mRecentAppsHeldModifiers != 0
2734                && (metaState & mRecentAppsHeldModifiers) == 0) {
2735            mRecentAppsHeldModifiers = 0;
2736            hideRecentApps(true, false);
2737        }
2738
2739        // Handle keyboard language switching.
2740        if (down && repeatCount == 0
2741                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
2742                        || (keyCode == KeyEvent.KEYCODE_SPACE
2743                                && (metaState & KeyEvent.META_CTRL_MASK) != 0))) {
2744            int direction = (metaState & KeyEvent.META_SHIFT_MASK) != 0 ? -1 : 1;
2745            mWindowManagerFuncs.switchKeyboardLayout(event.getDeviceId(), direction);
2746            return -1;
2747        }
2748        if (mLanguageSwitchKeyPressed && !down
2749                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
2750                        || keyCode == KeyEvent.KEYCODE_SPACE)) {
2751            mLanguageSwitchKeyPressed = false;
2752            return -1;
2753        }
2754
2755        if (isValidGlobalKey(keyCode)
2756                && mGlobalKeyManager.handleGlobalKey(mContext, keyCode, event)) {
2757            return -1;
2758        }
2759
2760        // Reserve all the META modifier combos for system behavior
2761        if ((metaState & KeyEvent.META_META_ON) != 0) {
2762            return -1;
2763        }
2764
2765        // Let the application handle the key.
2766        return 0;
2767    }
2768
2769    /** {@inheritDoc} */
2770    @Override
2771    public KeyEvent dispatchUnhandledKey(WindowState win, KeyEvent event, int policyFlags) {
2772        // Note: This method is only called if the initial down was unhandled.
2773        if (DEBUG_INPUT) {
2774            Slog.d(TAG, "Unhandled key: win=" + win + ", action=" + event.getAction()
2775                    + ", flags=" + event.getFlags()
2776                    + ", keyCode=" + event.getKeyCode()
2777                    + ", scanCode=" + event.getScanCode()
2778                    + ", metaState=" + event.getMetaState()
2779                    + ", repeatCount=" + event.getRepeatCount()
2780                    + ", policyFlags=" + policyFlags);
2781        }
2782
2783        KeyEvent fallbackEvent = null;
2784        if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
2785            final KeyCharacterMap kcm = event.getKeyCharacterMap();
2786            final int keyCode = event.getKeyCode();
2787            final int metaState = event.getMetaState();
2788            final boolean initialDown = event.getAction() == KeyEvent.ACTION_DOWN
2789                    && event.getRepeatCount() == 0;
2790
2791            // Check for fallback actions specified by the key character map.
2792            final FallbackAction fallbackAction;
2793            if (initialDown) {
2794                fallbackAction = kcm.getFallbackAction(keyCode, metaState);
2795            } else {
2796                fallbackAction = mFallbackActions.get(keyCode);
2797            }
2798
2799            if (fallbackAction != null) {
2800                if (DEBUG_INPUT) {
2801                    Slog.d(TAG, "Fallback: keyCode=" + fallbackAction.keyCode
2802                            + " metaState=" + Integer.toHexString(fallbackAction.metaState));
2803                }
2804
2805                final int flags = event.getFlags() | KeyEvent.FLAG_FALLBACK;
2806                fallbackEvent = KeyEvent.obtain(
2807                        event.getDownTime(), event.getEventTime(),
2808                        event.getAction(), fallbackAction.keyCode,
2809                        event.getRepeatCount(), fallbackAction.metaState,
2810                        event.getDeviceId(), event.getScanCode(),
2811                        flags, event.getSource(), null);
2812
2813                if (!interceptFallback(win, fallbackEvent, policyFlags)) {
2814                    fallbackEvent.recycle();
2815                    fallbackEvent = null;
2816                }
2817
2818                if (initialDown) {
2819                    mFallbackActions.put(keyCode, fallbackAction);
2820                } else if (event.getAction() == KeyEvent.ACTION_UP) {
2821                    mFallbackActions.remove(keyCode);
2822                    fallbackAction.recycle();
2823                }
2824            }
2825        }
2826
2827        if (DEBUG_INPUT) {
2828            if (fallbackEvent == null) {
2829                Slog.d(TAG, "No fallback.");
2830            } else {
2831                Slog.d(TAG, "Performing fallback: " + fallbackEvent);
2832            }
2833        }
2834        return fallbackEvent;
2835    }
2836
2837    private boolean interceptFallback(WindowState win, KeyEvent fallbackEvent, int policyFlags) {
2838        int actions = interceptKeyBeforeQueueing(fallbackEvent, policyFlags);
2839        if ((actions & ACTION_PASS_TO_USER) != 0) {
2840            long delayMillis = interceptKeyBeforeDispatching(
2841                    win, fallbackEvent, policyFlags);
2842            if (delayMillis == 0) {
2843                return true;
2844            }
2845        }
2846        return false;
2847    }
2848
2849    private void launchAssistLongPressAction() {
2850        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
2851        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
2852
2853        // launch the search activity
2854        Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
2855        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2856        try {
2857            // TODO: This only stops the factory-installed search manager.
2858            // Need to formalize an API to handle others
2859            SearchManager searchManager = getSearchManager();
2860            if (searchManager != null) {
2861                searchManager.stopSearch();
2862            }
2863            mContext.startActivityAsUser(intent, UserHandle.CURRENT);
2864        } catch (ActivityNotFoundException e) {
2865            Slog.w(TAG, "No activity to handle assist long press action.", e);
2866        }
2867    }
2868
2869    private void launchAssistAction() {
2870        launchAssistAction(null);
2871    }
2872
2873    private void launchAssistAction(String hint) {
2874        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
2875        Intent intent = ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
2876                .getAssistIntent(mContext, true, UserHandle.USER_CURRENT);
2877        if (intent != null) {
2878            if (hint != null) {
2879                intent.putExtra(hint, true);
2880            }
2881            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
2882                    | Intent.FLAG_ACTIVITY_SINGLE_TOP
2883                    | Intent.FLAG_ACTIVITY_CLEAR_TOP);
2884            try {
2885                mContext.startActivityAsUser(intent, UserHandle.CURRENT);
2886            } catch (ActivityNotFoundException e) {
2887                Slog.w(TAG, "No activity to handle assist action.", e);
2888            }
2889        }
2890    }
2891
2892    private SearchManager getSearchManager() {
2893        if (mSearchManager == null) {
2894            mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
2895        }
2896        return mSearchManager;
2897    }
2898
2899    private void preloadRecentApps() {
2900        mPreloadedRecentApps = true;
2901        try {
2902            IStatusBarService statusbar = getStatusBarService();
2903            if (statusbar != null) {
2904                statusbar.preloadRecentApps();
2905            }
2906        } catch (RemoteException e) {
2907            Slog.e(TAG, "RemoteException when preloading recent apps", e);
2908            // re-acquire status bar service next time it is needed.
2909            mStatusBarService = null;
2910        }
2911    }
2912
2913    private void cancelPreloadRecentApps() {
2914        if (mPreloadedRecentApps) {
2915            mPreloadedRecentApps = false;
2916            try {
2917                IStatusBarService statusbar = getStatusBarService();
2918                if (statusbar != null) {
2919                    statusbar.cancelPreloadRecentApps();
2920                }
2921            } catch (RemoteException e) {
2922                Slog.e(TAG, "RemoteException when cancelling recent apps preload", e);
2923                // re-acquire status bar service next time it is needed.
2924                mStatusBarService = null;
2925            }
2926        }
2927    }
2928
2929    private void toggleRecentApps() {
2930        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
2931        try {
2932            IStatusBarService statusbar = getStatusBarService();
2933            if (statusbar != null) {
2934                statusbar.toggleRecentApps();
2935            }
2936        } catch (RemoteException e) {
2937            Slog.e(TAG, "RemoteException when toggling recent apps", e);
2938            // re-acquire status bar service next time it is needed.
2939            mStatusBarService = null;
2940        }
2941    }
2942
2943    @Override
2944    public void showRecentApps() {
2945        mHandler.removeMessages(MSG_DISPATCH_SHOW_RECENTS);
2946        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_RECENTS);
2947    }
2948
2949    private void showRecentApps(boolean triggeredFromAltTab) {
2950        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
2951        try {
2952            IStatusBarService statusbar = getStatusBarService();
2953            if (statusbar != null) {
2954                statusbar.showRecentApps(triggeredFromAltTab);
2955            }
2956        } catch (RemoteException e) {
2957            Slog.e(TAG, "RemoteException when showing recent apps", e);
2958            // re-acquire status bar service next time it is needed.
2959            mStatusBarService = null;
2960        }
2961    }
2962
2963    private void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHome) {
2964        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
2965        try {
2966            IStatusBarService statusbar = getStatusBarService();
2967            if (statusbar != null) {
2968                statusbar.hideRecentApps(triggeredFromAltTab, triggeredFromHome);
2969            }
2970        } catch (RemoteException e) {
2971            Slog.e(TAG, "RemoteException when closing recent apps", e);
2972            // re-acquire status bar service next time it is needed.
2973            mStatusBarService = null;
2974        }
2975    }
2976
2977    /**
2978     * A home key -> launch home action was detected.  Take the appropriate action
2979     * given the situation with the keyguard.
2980     */
2981    void launchHomeFromHotKey() {
2982        if (isKeyguardShowingAndNotOccluded()) {
2983            // don't launch home if keyguard showing
2984        } else if (!mHideLockScreen && mKeyguardDelegate.isInputRestricted()) {
2985            // when in keyguard restricted mode, must first verify unlock
2986            // before launching home
2987            mKeyguardDelegate.verifyUnlock(new OnKeyguardExitResult() {
2988                @Override
2989                public void onKeyguardExitResult(boolean success) {
2990                    if (success) {
2991                        try {
2992                            ActivityManagerNative.getDefault().stopAppSwitches();
2993                        } catch (RemoteException e) {
2994                        }
2995                        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
2996                        startDockOrHome(true /*fromHomeKey*/);
2997                    }
2998                }
2999            });
3000        } else {
3001            // no keyguard stuff to worry about, just launch home!
3002            try {
3003                ActivityManagerNative.getDefault().stopAppSwitches();
3004            } catch (RemoteException e) {
3005            }
3006            if (mRecentsVisible) {
3007                // Hide Recents and notify it to launch Home
3008                awakenDreams();
3009                sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3010                hideRecentApps(false, true);
3011            } else {
3012                // Otherwise, just launch Home
3013                sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3014                startDockOrHome(true /*fromHomeKey*/);
3015            }
3016        }
3017    }
3018
3019    private final Runnable mClearHideNavigationFlag = new Runnable() {
3020        @Override
3021        public void run() {
3022            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3023                // Clear flags.
3024                mForceClearedSystemUiFlags &=
3025                        ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3026            }
3027            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3028        }
3029    };
3030
3031    /**
3032     * Input handler used while nav bar is hidden.  Captures any touch on the screen,
3033     * to determine when the nav bar should be shown and prevent applications from
3034     * receiving those touches.
3035     */
3036    final class HideNavInputEventReceiver extends InputEventReceiver {
3037        public HideNavInputEventReceiver(InputChannel inputChannel, Looper looper) {
3038            super(inputChannel, looper);
3039        }
3040
3041        @Override
3042        public void onInputEvent(InputEvent event) {
3043            boolean handled = false;
3044            try {
3045                if (event instanceof MotionEvent
3046                        && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
3047                    final MotionEvent motionEvent = (MotionEvent)event;
3048                    if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
3049                        // When the user taps down, we re-show the nav bar.
3050                        boolean changed = false;
3051                        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3052                            // Any user activity always causes us to show the
3053                            // navigation controls, if they had been hidden.
3054                            // We also clear the low profile and only content
3055                            // flags so that tapping on the screen will atomically
3056                            // restore all currently hidden screen decorations.
3057                            int newVal = mResettingSystemUiFlags |
3058                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
3059                                    View.SYSTEM_UI_FLAG_LOW_PROFILE |
3060                                    View.SYSTEM_UI_FLAG_FULLSCREEN;
3061                            if (mResettingSystemUiFlags != newVal) {
3062                                mResettingSystemUiFlags = newVal;
3063                                changed = true;
3064                            }
3065                            // We don't allow the system's nav bar to be hidden
3066                            // again for 1 second, to prevent applications from
3067                            // spamming us and keeping it from being shown.
3068                            newVal = mForceClearedSystemUiFlags |
3069                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3070                            if (mForceClearedSystemUiFlags != newVal) {
3071                                mForceClearedSystemUiFlags = newVal;
3072                                changed = true;
3073                                mHandler.postDelayed(mClearHideNavigationFlag, 1000);
3074                            }
3075                        }
3076                        if (changed) {
3077                            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3078                        }
3079                    }
3080                }
3081            } finally {
3082                finishInputEvent(event, handled);
3083            }
3084        }
3085    }
3086    final InputEventReceiver.Factory mHideNavInputEventReceiverFactory =
3087            new InputEventReceiver.Factory() {
3088        @Override
3089        public InputEventReceiver createInputEventReceiver(
3090                InputChannel inputChannel, Looper looper) {
3091            return new HideNavInputEventReceiver(inputChannel, looper);
3092        }
3093    };
3094
3095    @Override
3096    public int adjustSystemUiVisibilityLw(int visibility) {
3097        mStatusBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3098        mNavigationBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3099        mRecentsVisible = (visibility & View.RECENT_APPS_VISIBLE) > 0;
3100
3101        // Reset any bits in mForceClearingStatusBarVisibility that
3102        // are now clear.
3103        mResettingSystemUiFlags &= visibility;
3104        // Clear any bits in the new visibility that are currently being
3105        // force cleared, before reporting it.
3106        return visibility & ~mResettingSystemUiFlags
3107                & ~mForceClearedSystemUiFlags;
3108    }
3109
3110    @Override
3111    public void getInsetHintLw(WindowManager.LayoutParams attrs, Rect outContentInsets,
3112            Rect outStableInsets) {
3113        final int fl = PolicyControl.getWindowFlags(null, attrs);
3114        final int sysuiVis = PolicyControl.getSystemUiVisibility(null, attrs);
3115        final int systemUiVisibility = (sysuiVis | attrs.subtreeSystemUiVisibility);
3116
3117        if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3118                == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3119            int availRight, availBottom;
3120            if (canHideNavigationBar() &&
3121                    (systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0) {
3122                availRight = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3123                availBottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3124            } else {
3125                availRight = mRestrictedScreenLeft + mRestrictedScreenWidth;
3126                availBottom = mRestrictedScreenTop + mRestrictedScreenHeight;
3127            }
3128            if ((systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3129                if ((fl & FLAG_FULLSCREEN) != 0) {
3130                    outContentInsets.set(mStableFullscreenLeft, mStableFullscreenTop,
3131                            availRight - mStableFullscreenRight,
3132                            availBottom - mStableFullscreenBottom);
3133                } else {
3134                    outContentInsets.set(mStableLeft, mStableTop,
3135                            availRight - mStableRight, availBottom - mStableBottom);
3136                }
3137            } else if ((fl & FLAG_FULLSCREEN) != 0 || (fl & FLAG_LAYOUT_IN_OVERSCAN) != 0) {
3138                outContentInsets.setEmpty();
3139            } else if ((systemUiVisibility & (View.SYSTEM_UI_FLAG_FULLSCREEN
3140                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)) == 0) {
3141                outContentInsets.set(mCurLeft, mCurTop,
3142                        availRight - mCurRight, availBottom - mCurBottom);
3143            } else {
3144                outContentInsets.set(mCurLeft, mCurTop,
3145                        availRight - mCurRight, availBottom - mCurBottom);
3146            }
3147
3148            outStableInsets.set(mStableLeft, mStableTop,
3149                    availRight - mStableRight, availBottom - mStableBottom);
3150            return;
3151        }
3152        outContentInsets.setEmpty();
3153        outStableInsets.setEmpty();
3154    }
3155
3156    /** {@inheritDoc} */
3157    @Override
3158    public void beginLayoutLw(boolean isDefaultDisplay, int displayWidth, int displayHeight,
3159                              int displayRotation) {
3160        final int overscanLeft, overscanTop, overscanRight, overscanBottom;
3161        if (isDefaultDisplay) {
3162            switch (displayRotation) {
3163                case Surface.ROTATION_90:
3164                    overscanLeft = mOverscanTop;
3165                    overscanTop = mOverscanRight;
3166                    overscanRight = mOverscanBottom;
3167                    overscanBottom = mOverscanLeft;
3168                    break;
3169                case Surface.ROTATION_180:
3170                    overscanLeft = mOverscanRight;
3171                    overscanTop = mOverscanBottom;
3172                    overscanRight = mOverscanLeft;
3173                    overscanBottom = mOverscanTop;
3174                    break;
3175                case Surface.ROTATION_270:
3176                    overscanLeft = mOverscanBottom;
3177                    overscanTop = mOverscanLeft;
3178                    overscanRight = mOverscanTop;
3179                    overscanBottom = mOverscanRight;
3180                    break;
3181                default:
3182                    overscanLeft = mOverscanLeft;
3183                    overscanTop = mOverscanTop;
3184                    overscanRight = mOverscanRight;
3185                    overscanBottom = mOverscanBottom;
3186                    break;
3187            }
3188        } else {
3189            overscanLeft = 0;
3190            overscanTop = 0;
3191            overscanRight = 0;
3192            overscanBottom = 0;
3193        }
3194        mOverscanScreenLeft = mRestrictedOverscanScreenLeft = 0;
3195        mOverscanScreenTop = mRestrictedOverscanScreenTop = 0;
3196        mOverscanScreenWidth = mRestrictedOverscanScreenWidth = displayWidth;
3197        mOverscanScreenHeight = mRestrictedOverscanScreenHeight = displayHeight;
3198        mSystemLeft = 0;
3199        mSystemTop = 0;
3200        mSystemRight = displayWidth;
3201        mSystemBottom = displayHeight;
3202        mUnrestrictedScreenLeft = overscanLeft;
3203        mUnrestrictedScreenTop = overscanTop;
3204        mUnrestrictedScreenWidth = displayWidth - overscanLeft - overscanRight;
3205        mUnrestrictedScreenHeight = displayHeight - overscanTop - overscanBottom;
3206        mRestrictedScreenLeft = mUnrestrictedScreenLeft;
3207        mRestrictedScreenTop = mUnrestrictedScreenTop;
3208        mRestrictedScreenWidth = mSystemGestures.screenWidth = mUnrestrictedScreenWidth;
3209        mRestrictedScreenHeight = mSystemGestures.screenHeight = mUnrestrictedScreenHeight;
3210        mDockLeft = mContentLeft = mVoiceContentLeft = mStableLeft = mStableFullscreenLeft
3211                = mCurLeft = mUnrestrictedScreenLeft;
3212        mDockTop = mContentTop = mVoiceContentTop = mStableTop = mStableFullscreenTop
3213                = mCurTop = mUnrestrictedScreenTop;
3214        mDockRight = mContentRight = mVoiceContentRight = mStableRight = mStableFullscreenRight
3215                = mCurRight = displayWidth - overscanRight;
3216        mDockBottom = mContentBottom = mVoiceContentBottom = mStableBottom = mStableFullscreenBottom
3217                = mCurBottom = displayHeight - overscanBottom;
3218        mDockLayer = 0x10000000;
3219        mStatusBarLayer = -1;
3220
3221        // start with the current dock rect, which will be (0,0,displayWidth,displayHeight)
3222        final Rect pf = mTmpParentFrame;
3223        final Rect df = mTmpDisplayFrame;
3224        final Rect of = mTmpOverscanFrame;
3225        final Rect vf = mTmpVisibleFrame;
3226        final Rect dcf = mTmpDecorFrame;
3227        pf.left = df.left = of.left = vf.left = mDockLeft;
3228        pf.top = df.top = of.top = vf.top = mDockTop;
3229        pf.right = df.right = of.right = vf.right = mDockRight;
3230        pf.bottom = df.bottom = of.bottom = vf.bottom = mDockBottom;
3231        dcf.setEmpty();  // Decor frame N/A for system bars.
3232
3233        if (isDefaultDisplay) {
3234            // For purposes of putting out fake window up to steal focus, we will
3235            // drive nav being hidden only by whether it is requested.
3236            final int sysui = mLastSystemUiFlags;
3237            boolean navVisible = (sysui & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0;
3238            boolean navTranslucent = (sysui
3239                    & (View.NAVIGATION_BAR_TRANSLUCENT | View.SYSTEM_UI_TRANSPARENT)) != 0;
3240            boolean immersive = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
3241            boolean immersiveSticky = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
3242            boolean navAllowedHidden = immersive || immersiveSticky;
3243            navTranslucent &= !immersiveSticky;  // transient trumps translucent
3244            boolean isKeyguardShowing = isStatusBarKeyguard() && !mHideLockScreen;
3245            if (!isKeyguardShowing) {
3246                navTranslucent &= areTranslucentBarsAllowed();
3247            }
3248
3249            // When the navigation bar isn't visible, we put up a fake
3250            // input window to catch all touch events.  This way we can
3251            // detect when the user presses anywhere to bring back the nav
3252            // bar and ensure the application doesn't see the event.
3253            if (navVisible || navAllowedHidden) {
3254                if (mHideNavFakeWindow != null) {
3255                    mHideNavFakeWindow.dismiss();
3256                    mHideNavFakeWindow = null;
3257                }
3258            } else if (mHideNavFakeWindow == null) {
3259                mHideNavFakeWindow = mWindowManagerFuncs.addFakeWindow(
3260                        mHandler.getLooper(), mHideNavInputEventReceiverFactory,
3261                        "hidden nav", WindowManager.LayoutParams.TYPE_HIDDEN_NAV_CONSUMER, 0,
3262                        0, false, false, true);
3263            }
3264
3265            // For purposes of positioning and showing the nav bar, if we have
3266            // decided that it can't be hidden (because of the screen aspect ratio),
3267            // then take that into account.
3268            navVisible |= !canHideNavigationBar();
3269
3270            boolean updateSysUiVisibility = false;
3271            if (mNavigationBar != null) {
3272                boolean transientNavBarShowing = mNavigationBarController.isTransientShowing();
3273                // Force the navigation bar to its appropriate place and
3274                // size.  We need to do this directly, instead of relying on
3275                // it to bubble up from the nav bar, because this needs to
3276                // change atomically with screen rotations.
3277                mNavigationBarOnBottom = (!mNavigationBarCanMove || displayWidth < displayHeight);
3278                if (mNavigationBarOnBottom) {
3279                    // It's a system nav bar or a portrait screen; nav bar goes on bottom.
3280                    int top = displayHeight - overscanBottom
3281                            - mNavigationBarHeightForRotation[displayRotation];
3282                    mTmpNavigationFrame.set(0, top, displayWidth, displayHeight - overscanBottom);
3283                    mStableBottom = mStableFullscreenBottom = mTmpNavigationFrame.top;
3284                    if (transientNavBarShowing) {
3285                        mNavigationBarController.setBarShowingLw(true);
3286                    } else if (navVisible) {
3287                        mNavigationBarController.setBarShowingLw(true);
3288                        mDockBottom = mTmpNavigationFrame.top;
3289                        mRestrictedScreenHeight = mDockBottom - mRestrictedScreenTop;
3290                        mRestrictedOverscanScreenHeight = mDockBottom - mRestrictedOverscanScreenTop;
3291                    } else {
3292                        // We currently want to hide the navigation UI.
3293                        mNavigationBarController.setBarShowingLw(false);
3294                    }
3295                    if (navVisible && !navTranslucent && !navAllowedHidden
3296                            && !mNavigationBar.isAnimatingLw()
3297                            && !mNavigationBarController.wasRecentlyTranslucent()) {
3298                        // If the opaque nav bar is currently requested to be visible,
3299                        // and not in the process of animating on or off, then
3300                        // we can tell the app that it is covered by it.
3301                        mSystemBottom = mTmpNavigationFrame.top;
3302                    }
3303                } else {
3304                    // Landscape screen; nav bar goes to the right.
3305                    int left = displayWidth - overscanRight
3306                            - mNavigationBarWidthForRotation[displayRotation];
3307                    mTmpNavigationFrame.set(left, 0, displayWidth - overscanRight, displayHeight);
3308                    mStableRight = mStableFullscreenRight = mTmpNavigationFrame.left;
3309                    if (transientNavBarShowing) {
3310                        mNavigationBarController.setBarShowingLw(true);
3311                    } else if (navVisible) {
3312                        mNavigationBarController.setBarShowingLw(true);
3313                        mDockRight = mTmpNavigationFrame.left;
3314                        mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
3315                        mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
3316                    } else {
3317                        // We currently want to hide the navigation UI.
3318                        mNavigationBarController.setBarShowingLw(false);
3319                    }
3320                    if (navVisible && !navTranslucent && !mNavigationBar.isAnimatingLw()
3321                            && !mNavigationBarController.wasRecentlyTranslucent()) {
3322                        // If the nav bar is currently requested to be visible,
3323                        // and not in the process of animating on or off, then
3324                        // we can tell the app that it is covered by it.
3325                        mSystemRight = mTmpNavigationFrame.left;
3326                    }
3327                }
3328                // Make sure the content and current rectangles are updated to
3329                // account for the restrictions from the navigation bar.
3330                mContentTop = mVoiceContentTop = mCurTop = mDockTop;
3331                mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
3332                mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
3333                mContentRight = mVoiceContentRight = mCurRight = mDockRight;
3334                mStatusBarLayer = mNavigationBar.getSurfaceLayer();
3335                // And compute the final frame.
3336                mNavigationBar.computeFrameLw(mTmpNavigationFrame, mTmpNavigationFrame,
3337                        mTmpNavigationFrame, mTmpNavigationFrame, mTmpNavigationFrame, dcf,
3338                        mTmpNavigationFrame);
3339                if (DEBUG_LAYOUT) Slog.i(TAG, "mNavigationBar frame: " + mTmpNavigationFrame);
3340                if (mNavigationBarController.checkHiddenLw()) {
3341                    updateSysUiVisibility = true;
3342                }
3343            }
3344            if (DEBUG_LAYOUT) Slog.i(TAG, String.format("mDock rect: (%d,%d - %d,%d)",
3345                    mDockLeft, mDockTop, mDockRight, mDockBottom));
3346
3347            // decide where the status bar goes ahead of time
3348            if (mStatusBar != null) {
3349                // apply any navigation bar insets
3350                pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3351                pf.top = df.top = of.top = mUnrestrictedScreenTop;
3352                pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
3353                pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight
3354                        + mUnrestrictedScreenTop;
3355                vf.left = mStableLeft;
3356                vf.top = mStableTop;
3357                vf.right = mStableRight;
3358                vf.bottom = mStableBottom;
3359
3360                mStatusBarLayer = mStatusBar.getSurfaceLayer();
3361
3362                // Let the status bar determine its size.
3363                mStatusBar.computeFrameLw(pf, df, vf, vf, vf, dcf, vf);
3364
3365                // For layout, the status bar is always at the top with our fixed height.
3366                mStableTop = mUnrestrictedScreenTop + mStatusBarHeight;
3367
3368                boolean statusBarTransient = (sysui & View.STATUS_BAR_TRANSIENT) != 0;
3369                boolean statusBarTranslucent = (sysui
3370                        & (View.STATUS_BAR_TRANSLUCENT | View.SYSTEM_UI_TRANSPARENT)) != 0;
3371                if (!isKeyguardShowing) {
3372                    statusBarTranslucent &= areTranslucentBarsAllowed();
3373                }
3374
3375                // If the status bar is hidden, we don't want to cause
3376                // windows behind it to scroll.
3377                if (mStatusBar.isVisibleLw() && !statusBarTransient) {
3378                    // Status bar may go away, so the screen area it occupies
3379                    // is available to apps but just covering them when the
3380                    // status bar is visible.
3381                    mDockTop = mUnrestrictedScreenTop + mStatusBarHeight;
3382
3383                    mContentTop = mVoiceContentTop = mCurTop = mDockTop;
3384                    mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
3385                    mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
3386                    mContentRight = mVoiceContentRight = mCurRight = mDockRight;
3387
3388                    if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar: " +
3389                        String.format(
3390                            "dock=[%d,%d][%d,%d] content=[%d,%d][%d,%d] cur=[%d,%d][%d,%d]",
3391                            mDockLeft, mDockTop, mDockRight, mDockBottom,
3392                            mContentLeft, mContentTop, mContentRight, mContentBottom,
3393                            mCurLeft, mCurTop, mCurRight, mCurBottom));
3394                }
3395                if (mStatusBar.isVisibleLw() && !mStatusBar.isAnimatingLw()
3396                        && !statusBarTransient && !statusBarTranslucent
3397                        && !mStatusBarController.wasRecentlyTranslucent()) {
3398                    // If the opaque status bar is currently requested to be visible,
3399                    // and not in the process of animating on or off, then
3400                    // we can tell the app that it is covered by it.
3401                    mSystemTop = mUnrestrictedScreenTop + mStatusBarHeight;
3402                }
3403                if (mStatusBarController.checkHiddenLw()) {
3404                    updateSysUiVisibility = true;
3405                }
3406            }
3407            if (updateSysUiVisibility) {
3408                updateSystemUiVisibilityLw();
3409            }
3410        }
3411    }
3412
3413    /** {@inheritDoc} */
3414    @Override
3415    public int getSystemDecorLayerLw() {
3416        if (mStatusBar != null) return mStatusBar.getSurfaceLayer();
3417        if (mNavigationBar != null) return mNavigationBar.getSurfaceLayer();
3418        return 0;
3419    }
3420
3421    @Override
3422    public void getContentRectLw(Rect r) {
3423        r.set(mContentLeft, mContentTop, mContentRight, mContentBottom);
3424    }
3425
3426    void setAttachedWindowFrames(WindowState win, int fl, int adjust, WindowState attached,
3427            boolean insetDecors, Rect pf, Rect df, Rect of, Rect cf, Rect vf) {
3428        if (win.getSurfaceLayer() > mDockLayer && attached.getSurfaceLayer() < mDockLayer) {
3429            // Here's a special case: if this attached window is a panel that is
3430            // above the dock window, and the window it is attached to is below
3431            // the dock window, then the frames we computed for the window it is
3432            // attached to can not be used because the dock is effectively part
3433            // of the underlying window and the attached window is floating on top
3434            // of the whole thing.  So, we ignore the attached window and explicitly
3435            // compute the frames that would be appropriate without the dock.
3436            df.left = of.left = cf.left = vf.left = mDockLeft;
3437            df.top = of.top = cf.top = vf.top = mDockTop;
3438            df.right = of.right = cf.right = vf.right = mDockRight;
3439            df.bottom = of.bottom = cf.bottom = vf.bottom = mDockBottom;
3440        } else {
3441            // The effective display frame of the attached window depends on
3442            // whether it is taking care of insetting its content.  If not,
3443            // we need to use the parent's content frame so that the entire
3444            // window is positioned within that content.  Otherwise we can use
3445            // the overscan frame and let the attached window take care of
3446            // positioning its content appropriately.
3447            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
3448                // Set the content frame of the attached window to the parent's decor frame
3449                // (same as content frame when IME isn't present) if specifically requested by
3450                // setting {@link WindowManager.LayoutParams#FLAG_LAYOUT_ATTACHED_IN_DECOR} flag.
3451                // Otherwise, use the overscan frame.
3452                cf.set((fl & FLAG_LAYOUT_ATTACHED_IN_DECOR) != 0
3453                        ? attached.getContentFrameLw() : attached.getOverscanFrameLw());
3454            } else {
3455                // If the window is resizing, then we want to base the content
3456                // frame on our attached content frame to resize...  however,
3457                // things can be tricky if the attached window is NOT in resize
3458                // mode, in which case its content frame will be larger.
3459                // Ungh.  So to deal with that, make sure the content frame
3460                // we end up using is not covering the IM dock.
3461                cf.set(attached.getContentFrameLw());
3462                if (attached.isVoiceInteraction()) {
3463                    if (cf.left < mVoiceContentLeft) cf.left = mVoiceContentLeft;
3464                    if (cf.top < mVoiceContentTop) cf.top = mVoiceContentTop;
3465                    if (cf.right > mVoiceContentRight) cf.right = mVoiceContentRight;
3466                    if (cf.bottom > mVoiceContentBottom) cf.bottom = mVoiceContentBottom;
3467                } else if (attached.getSurfaceLayer() < mDockLayer) {
3468                    if (cf.left < mContentLeft) cf.left = mContentLeft;
3469                    if (cf.top < mContentTop) cf.top = mContentTop;
3470                    if (cf.right > mContentRight) cf.right = mContentRight;
3471                    if (cf.bottom > mContentBottom) cf.bottom = mContentBottom;
3472                }
3473            }
3474            df.set(insetDecors ? attached.getDisplayFrameLw() : cf);
3475            of.set(insetDecors ? attached.getOverscanFrameLw() : cf);
3476            vf.set(attached.getVisibleFrameLw());
3477        }
3478        // The LAYOUT_IN_SCREEN flag is used to determine whether the attached
3479        // window should be positioned relative to its parent or the entire
3480        // screen.
3481        pf.set((fl & FLAG_LAYOUT_IN_SCREEN) == 0
3482                ? attached.getFrameLw() : df);
3483    }
3484
3485    private void applyStableConstraints(int sysui, int fl, Rect r) {
3486        if ((sysui & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3487            // If app is requesting a stable layout, don't let the
3488            // content insets go below the stable values.
3489            if ((fl & FLAG_FULLSCREEN) != 0) {
3490                if (r.left < mStableFullscreenLeft) r.left = mStableFullscreenLeft;
3491                if (r.top < mStableFullscreenTop) r.top = mStableFullscreenTop;
3492                if (r.right > mStableFullscreenRight) r.right = mStableFullscreenRight;
3493                if (r.bottom > mStableFullscreenBottom) r.bottom = mStableFullscreenBottom;
3494            } else {
3495                if (r.left < mStableLeft) r.left = mStableLeft;
3496                if (r.top < mStableTop) r.top = mStableTop;
3497                if (r.right > mStableRight) r.right = mStableRight;
3498                if (r.bottom > mStableBottom) r.bottom = mStableBottom;
3499            }
3500        }
3501    }
3502
3503    /** {@inheritDoc} */
3504    @Override
3505    public void layoutWindowLw(WindowState win, WindowState attached) {
3506        // we've already done the status bar
3507        final WindowManager.LayoutParams attrs = win.getAttrs();
3508        if ((win == mStatusBar && (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) == 0) ||
3509                win == mNavigationBar) {
3510            return;
3511        }
3512        final boolean isDefaultDisplay = win.isDefaultDisplay();
3513        final boolean needsToOffsetInputMethodTarget = isDefaultDisplay &&
3514                (win == mLastInputMethodTargetWindow && mLastInputMethodWindow != null);
3515        if (needsToOffsetInputMethodTarget) {
3516            if (DEBUG_LAYOUT) Slog.i(TAG, "Offset ime target window by the last ime window state");
3517            offsetInputMethodWindowLw(mLastInputMethodWindow);
3518        }
3519
3520        final int fl = PolicyControl.getWindowFlags(win, attrs);
3521        final int sim = attrs.softInputMode;
3522        final int sysUiFl = PolicyControl.getSystemUiVisibility(win, null);
3523
3524        final Rect pf = mTmpParentFrame;
3525        final Rect df = mTmpDisplayFrame;
3526        final Rect of = mTmpOverscanFrame;
3527        final Rect cf = mTmpContentFrame;
3528        final Rect vf = mTmpVisibleFrame;
3529        final Rect dcf = mTmpDecorFrame;
3530        final Rect sf = mTmpStableFrame;
3531        dcf.setEmpty();
3532
3533        final boolean hasNavBar = (isDefaultDisplay && mHasNavigationBar
3534                && mNavigationBar != null && mNavigationBar.isVisibleLw());
3535
3536        final int adjust = sim & SOFT_INPUT_MASK_ADJUST;
3537
3538        if (isDefaultDisplay) {
3539            sf.set(mStableLeft, mStableTop, mStableRight, mStableBottom);
3540        } else {
3541            sf.set(mOverscanLeft, mOverscanTop, mOverscanRight, mOverscanBottom);
3542        }
3543
3544        if (!isDefaultDisplay) {
3545            if (attached != null) {
3546                // If this window is attached to another, our display
3547                // frame is the same as the one we are attached to.
3548                setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
3549            } else {
3550                // Give the window full screen.
3551                pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3552                pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3553                pf.right = df.right = of.right = cf.right
3554                        = mOverscanScreenLeft + mOverscanScreenWidth;
3555                pf.bottom = df.bottom = of.bottom = cf.bottom
3556                        = mOverscanScreenTop + mOverscanScreenHeight;
3557            }
3558        } else  if (attrs.type == TYPE_INPUT_METHOD || attrs.type == TYPE_VOICE_INTERACTION) {
3559            pf.left = df.left = of.left = cf.left = vf.left = mDockLeft;
3560            pf.top = df.top = of.top = cf.top = vf.top = mDockTop;
3561            pf.right = df.right = of.right = cf.right = vf.right = mDockRight;
3562            // IM dock windows layout below the nav bar...
3563            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3564            // ...with content insets above the nav bar
3565            cf.bottom = vf.bottom = mStableBottom;
3566            // IM dock windows always go to the bottom of the screen.
3567            attrs.gravity = Gravity.BOTTOM;
3568            mDockLayer = win.getSurfaceLayer();
3569        } else if (win == mStatusBar && (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
3570            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3571            pf.top = df.top = of.top = mUnrestrictedScreenTop;
3572            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
3573            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight + mUnrestrictedScreenTop;
3574            cf.left = vf.left = mStableLeft;
3575            cf.top = vf.top = mStableTop;
3576            cf.right = vf.right = mStableRight;
3577            vf.bottom = mStableBottom;
3578            cf.bottom = mContentBottom;
3579        } else {
3580
3581            // Default policy decor for the default display
3582            dcf.left = mSystemLeft;
3583            dcf.top = mSystemTop;
3584            dcf.right = mSystemRight;
3585            dcf.bottom = mSystemBottom;
3586            final boolean inheritTranslucentDecor = (attrs.privateFlags
3587                    & WindowManager.LayoutParams.PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR) != 0;
3588            final boolean isAppWindow =
3589                    attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW &&
3590                    attrs.type <= WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
3591            final boolean topAtRest =
3592                    win == mTopFullscreenOpaqueWindowState && !win.isAnimatingLw();
3593            if (isAppWindow && !inheritTranslucentDecor && !topAtRest) {
3594                if ((sysUiFl & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0
3595                        && (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) == 0
3596                        && (fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) == 0
3597                        && (fl & WindowManager.LayoutParams.
3598                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
3599                    // Ensure policy decor includes status bar
3600                    dcf.top = mStableTop;
3601                }
3602                if ((fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) == 0
3603                        && (sysUiFl & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0
3604                        && (fl & WindowManager.LayoutParams.
3605                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
3606                    // Ensure policy decor includes navigation bar
3607                    dcf.bottom = mStableBottom;
3608                    dcf.right = mStableRight;
3609                }
3610            }
3611
3612            if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3613                    == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3614                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle()
3615                            + "): IN_SCREEN, INSET_DECOR");
3616                // This is the case for a normal activity window: we want it
3617                // to cover all of the screen space, and it can take care of
3618                // moving its contents to account for screen decorations that
3619                // intrude into that space.
3620                if (attached != null) {
3621                    // If this window is attached to another, our display
3622                    // frame is the same as the one we are attached to.
3623                    setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
3624                } else {
3625                    if (attrs.type == TYPE_STATUS_BAR_PANEL
3626                            || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
3627                        // Status bar panels are the only windows who can go on top of
3628                        // the status bar.  They are protected by the STATUS_BAR_SERVICE
3629                        // permission, so they have the same privileges as the status
3630                        // bar itself.
3631                        //
3632                        // However, they should still dodge the navigation bar if it exists.
3633
3634                        pf.left = df.left = of.left = hasNavBar
3635                                ? mDockLeft : mUnrestrictedScreenLeft;
3636                        pf.top = df.top = of.top = mUnrestrictedScreenTop;
3637                        pf.right = df.right = of.right = hasNavBar
3638                                ? mRestrictedScreenLeft+mRestrictedScreenWidth
3639                                : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3640                        pf.bottom = df.bottom = of.bottom = hasNavBar
3641                                ? mRestrictedScreenTop+mRestrictedScreenHeight
3642                                : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3643
3644                        if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
3645                                        "Laying out status bar window: (%d,%d - %d,%d)",
3646                                        pf.left, pf.top, pf.right, pf.bottom));
3647                    } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
3648                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
3649                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
3650                        // Asking to layout into the overscan region, so give it that pure
3651                        // unrestricted area.
3652                        pf.left = df.left = of.left = mOverscanScreenLeft;
3653                        pf.top = df.top = of.top = mOverscanScreenTop;
3654                        pf.right = df.right = of.right = mOverscanScreenLeft + mOverscanScreenWidth;
3655                        pf.bottom = df.bottom = of.bottom = mOverscanScreenTop
3656                                + mOverscanScreenHeight;
3657                    } else if (canHideNavigationBar()
3658                            && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
3659                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
3660                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
3661                        // Asking for layout as if the nav bar is hidden, lets the
3662                        // application extend into the unrestricted overscan screen area.  We
3663                        // only do this for application windows to ensure no window that
3664                        // can be above the nav bar can do this.
3665                        pf.left = df.left = mOverscanScreenLeft;
3666                        pf.top = df.top = mOverscanScreenTop;
3667                        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
3668                        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
3669                        // We need to tell the app about where the frame inside the overscan
3670                        // is, so it can inset its content by that amount -- it didn't ask
3671                        // to actually extend itself into the overscan region.
3672                        of.left = mUnrestrictedScreenLeft;
3673                        of.top = mUnrestrictedScreenTop;
3674                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3675                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3676                    } else {
3677                        pf.left = df.left = mRestrictedOverscanScreenLeft;
3678                        pf.top = df.top = mRestrictedOverscanScreenTop;
3679                        pf.right = df.right = mRestrictedOverscanScreenLeft
3680                                + mRestrictedOverscanScreenWidth;
3681                        pf.bottom = df.bottom = mRestrictedOverscanScreenTop
3682                                + mRestrictedOverscanScreenHeight;
3683                        // We need to tell the app about where the frame inside the overscan
3684                        // is, so it can inset its content by that amount -- it didn't ask
3685                        // to actually extend itself into the overscan region.
3686                        of.left = mUnrestrictedScreenLeft;
3687                        of.top = mUnrestrictedScreenTop;
3688                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3689                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3690                    }
3691
3692                    if ((fl & FLAG_FULLSCREEN) == 0) {
3693                        if (win.isVoiceInteraction()) {
3694                            cf.left = mVoiceContentLeft;
3695                            cf.top = mVoiceContentTop;
3696                            cf.right = mVoiceContentRight;
3697                            cf.bottom = mVoiceContentBottom;
3698                        } else {
3699                            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
3700                                cf.left = mDockLeft;
3701                                cf.top = mDockTop;
3702                                cf.right = mDockRight;
3703                                cf.bottom = mDockBottom;
3704                            } else {
3705                                cf.left = mContentLeft;
3706                                cf.top = mContentTop;
3707                                cf.right = mContentRight;
3708                                cf.bottom = mContentBottom;
3709                            }
3710                        }
3711                    } else {
3712                        // Full screen windows are always given a layout that is as if the
3713                        // status bar and other transient decors are gone.  This is to avoid
3714                        // bad states when moving from a window that is not hding the
3715                        // status bar to one that is.
3716                        cf.left = mRestrictedScreenLeft;
3717                        cf.top = mRestrictedScreenTop;
3718                        cf.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
3719                        cf.bottom = mRestrictedScreenTop + mRestrictedScreenHeight;
3720                    }
3721                    applyStableConstraints(sysUiFl, fl, cf);
3722                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
3723                        vf.left = mCurLeft;
3724                        vf.top = mCurTop;
3725                        vf.right = mCurRight;
3726                        vf.bottom = mCurBottom;
3727                    } else {
3728                        vf.set(cf);
3729                    }
3730                }
3731            } else if ((fl & FLAG_LAYOUT_IN_SCREEN) != 0 || (sysUiFl
3732                    & (View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
3733                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION)) != 0) {
3734                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
3735                        "): IN_SCREEN");
3736                // A window that has requested to fill the entire screen just
3737                // gets everything, period.
3738                if (attrs.type == TYPE_STATUS_BAR_PANEL
3739                        || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
3740                    pf.left = df.left = of.left = cf.left = hasNavBar
3741                            ? mDockLeft : mUnrestrictedScreenLeft;
3742                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
3743                    pf.right = df.right = of.right = cf.right = hasNavBar
3744                                        ? mRestrictedScreenLeft+mRestrictedScreenWidth
3745                                        : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3746                    pf.bottom = df.bottom = of.bottom = cf.bottom = hasNavBar
3747                                          ? mRestrictedScreenTop+mRestrictedScreenHeight
3748                                          : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3749                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
3750                                    "Laying out IN_SCREEN status bar window: (%d,%d - %d,%d)",
3751                                    pf.left, pf.top, pf.right, pf.bottom));
3752                } else if (attrs.type == TYPE_NAVIGATION_BAR
3753                        || attrs.type == TYPE_NAVIGATION_BAR_PANEL) {
3754                    // The navigation bar has Real Ultimate Power.
3755                    pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3756                    pf.top = df.top = of.top = mUnrestrictedScreenTop;
3757                    pf.right = df.right = of.right = mUnrestrictedScreenLeft
3758                            + mUnrestrictedScreenWidth;
3759                    pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop
3760                            + mUnrestrictedScreenHeight;
3761                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
3762                                    "Laying out navigation bar window: (%d,%d - %d,%d)",
3763                                    pf.left, pf.top, pf.right, pf.bottom));
3764                } else if ((attrs.type == TYPE_SECURE_SYSTEM_OVERLAY
3765                                || attrs.type == TYPE_BOOT_PROGRESS)
3766                        && ((fl & FLAG_FULLSCREEN) != 0)) {
3767                    // Fullscreen secure system overlays get what they ask for.
3768                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3769                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3770                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
3771                            + mOverscanScreenWidth;
3772                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
3773                            + mOverscanScreenHeight;
3774                } else if (attrs.type == TYPE_BOOT_PROGRESS) {
3775                    // Boot progress screen always covers entire display.
3776                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3777                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3778                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
3779                            + mOverscanScreenWidth;
3780                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
3781                            + mOverscanScreenHeight;
3782                } else if (attrs.type == TYPE_WALLPAPER) {
3783                    // The wallpaper also has Real Ultimate Power, but we want to tell
3784                    // it about the overscan area.
3785                    pf.left = df.left = mOverscanScreenLeft;
3786                    pf.top = df.top = mOverscanScreenTop;
3787                    pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
3788                    pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
3789                    of.left = cf.left = mUnrestrictedScreenLeft;
3790                    of.top = cf.top = mUnrestrictedScreenTop;
3791                    of.right = cf.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3792                    of.bottom = cf.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3793                } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
3794                        && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
3795                        && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
3796                    // Asking to layout into the overscan region, so give it that pure
3797                    // unrestricted area.
3798                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3799                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3800                    pf.right = df.right = of.right = cf.right
3801                            = mOverscanScreenLeft + mOverscanScreenWidth;
3802                    pf.bottom = df.bottom = of.bottom = cf.bottom
3803                            = mOverscanScreenTop + mOverscanScreenHeight;
3804                } else if (canHideNavigationBar()
3805                        && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
3806                        && (attrs.type == TYPE_STATUS_BAR
3807                            || attrs.type == TYPE_TOAST
3808                            || (attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
3809                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW))) {
3810                    // Asking for layout as if the nav bar is hidden, lets the
3811                    // application extend into the unrestricted screen area.  We
3812                    // only do this for application windows (or toasts) to ensure no window that
3813                    // can be above the nav bar can do this.
3814                    // XXX This assumes that an app asking for this will also
3815                    // ask for layout in only content.  We can't currently figure out
3816                    // what the screen would be if only laying out to hide the nav bar.
3817                    pf.left = df.left = of.left = cf.left = mUnrestrictedScreenLeft;
3818                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
3819                    pf.right = df.right = of.right = cf.right = mUnrestrictedScreenLeft
3820                            + mUnrestrictedScreenWidth;
3821                    pf.bottom = df.bottom = of.bottom = cf.bottom = mUnrestrictedScreenTop
3822                            + mUnrestrictedScreenHeight;
3823                } else {
3824                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
3825                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
3826                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
3827                            + mRestrictedScreenWidth;
3828                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
3829                            + mRestrictedScreenHeight;
3830                }
3831
3832                applyStableConstraints(sysUiFl, fl, cf);
3833
3834                if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
3835                    vf.left = mCurLeft;
3836                    vf.top = mCurTop;
3837                    vf.right = mCurRight;
3838                    vf.bottom = mCurBottom;
3839                } else {
3840                    vf.set(cf);
3841                }
3842            } else if (attached != null) {
3843                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
3844                        "): attached to " + attached);
3845                // A child window should be placed inside of the same visible
3846                // frame that its parent had.
3847                setAttachedWindowFrames(win, fl, adjust, attached, false, pf, df, of, cf, vf);
3848            } else {
3849                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
3850                        "): normal window");
3851                // Otherwise, a normal window must be placed inside the content
3852                // of all screen decorations.
3853                if (attrs.type == TYPE_STATUS_BAR_PANEL) {
3854                    // Status bar panels are the only windows who can go on top of
3855                    // the status bar.  They are protected by the STATUS_BAR_SERVICE
3856                    // permission, so they have the same privileges as the status
3857                    // bar itself.
3858                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
3859                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
3860                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
3861                            + mRestrictedScreenWidth;
3862                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
3863                            + mRestrictedScreenHeight;
3864                } else if (attrs.type == TYPE_TOAST || attrs.type == TYPE_SYSTEM_ALERT
3865                        || attrs.type == TYPE_VOLUME_OVERLAY) {
3866                    // These dialogs are stable to interim decor changes.
3867                    pf.left = df.left = of.left = cf.left = mStableLeft;
3868                    pf.top = df.top = of.top = cf.top = mStableTop;
3869                    pf.right = df.right = of.right = cf.right = mStableRight;
3870                    pf.bottom = df.bottom = of.bottom = cf.bottom = mStableBottom;
3871                } else {
3872                    pf.left = mContentLeft;
3873                    pf.top = mContentTop;
3874                    pf.right = mContentRight;
3875                    pf.bottom = mContentBottom;
3876                    if (win.isVoiceInteraction()) {
3877                        df.left = of.left = cf.left = mVoiceContentLeft;
3878                        df.top = of.top = cf.top = mVoiceContentTop;
3879                        df.right = of.right = cf.right = mVoiceContentRight;
3880                        df.bottom = of.bottom = cf.bottom = mVoiceContentBottom;
3881                    } else if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
3882                        df.left = of.left = cf.left = mDockLeft;
3883                        df.top = of.top = cf.top = mDockTop;
3884                        df.right = of.right = cf.right = mDockRight;
3885                        df.bottom = of.bottom = cf.bottom = mDockBottom;
3886                    } else {
3887                        df.left = of.left = cf.left = mContentLeft;
3888                        df.top = of.top = cf.top = mContentTop;
3889                        df.right = of.right = cf.right = mContentRight;
3890                        df.bottom = of.bottom = cf.bottom = mContentBottom;
3891                    }
3892                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
3893                        vf.left = mCurLeft;
3894                        vf.top = mCurTop;
3895                        vf.right = mCurRight;
3896                        vf.bottom = mCurBottom;
3897                    } else {
3898                        vf.set(cf);
3899                    }
3900                }
3901            }
3902        }
3903
3904        // TYPE_SYSTEM_ERROR is above the NavigationBar so it can't be allowed to extend over it.
3905        if ((fl & FLAG_LAYOUT_NO_LIMITS) != 0 && attrs.type != TYPE_SYSTEM_ERROR) {
3906            df.left = df.top = -10000;
3907            df.right = df.bottom = 10000;
3908            if (attrs.type != TYPE_WALLPAPER) {
3909                of.left = of.top = cf.left = cf.top = vf.left = vf.top = -10000;
3910                of.right = of.bottom = cf.right = cf.bottom = vf.right = vf.bottom = 10000;
3911            }
3912        }
3913
3914        if (DEBUG_LAYOUT) Slog.v(TAG, "Compute frame " + attrs.getTitle()
3915                + ": sim=#" + Integer.toHexString(sim)
3916                + " attach=" + attached + " type=" + attrs.type
3917                + String.format(" flags=0x%08x", fl)
3918                + " pf=" + pf.toShortString() + " df=" + df.toShortString()
3919                + " of=" + of.toShortString()
3920                + " cf=" + cf.toShortString() + " vf=" + vf.toShortString()
3921                + " dcf=" + dcf.toShortString()
3922                + " sf=" + sf.toShortString());
3923
3924        win.computeFrameLw(pf, df, of, cf, vf, dcf, sf);
3925
3926        // Dock windows carve out the bottom of the screen, so normal windows
3927        // can't appear underneath them.
3928        if (attrs.type == TYPE_INPUT_METHOD && win.isVisibleOrBehindKeyguardLw()
3929                && !win.getGivenInsetsPendingLw()) {
3930            setLastInputMethodWindowLw(null, null);
3931            offsetInputMethodWindowLw(win);
3932        }
3933        if (attrs.type == TYPE_VOICE_INTERACTION && win.isVisibleOrBehindKeyguardLw()
3934                && !win.getGivenInsetsPendingLw()) {
3935            offsetVoiceInputWindowLw(win);
3936        }
3937    }
3938
3939    private void offsetInputMethodWindowLw(WindowState win) {
3940        int top = win.getDisplayFrameLw().top;
3941        top += win.getGivenContentInsetsLw().top;
3942        if (mContentBottom > top) {
3943            mContentBottom = top;
3944        }
3945        if (mVoiceContentBottom > top) {
3946            mVoiceContentBottom = top;
3947        }
3948        top = win.getVisibleFrameLw().top;
3949        top += win.getGivenVisibleInsetsLw().top;
3950        if (mCurBottom > top) {
3951            mCurBottom = top;
3952        }
3953        if (DEBUG_LAYOUT) Slog.v(TAG, "Input method: mDockBottom="
3954                + mDockBottom + " mContentBottom="
3955                + mContentBottom + " mCurBottom=" + mCurBottom);
3956    }
3957
3958    private void offsetVoiceInputWindowLw(WindowState win) {
3959        int top = win.getDisplayFrameLw().top;
3960        top += win.getGivenContentInsetsLw().top;
3961        if (mVoiceContentBottom > top) {
3962            mVoiceContentBottom = top;
3963        }
3964    }
3965
3966    /** {@inheritDoc} */
3967    @Override
3968    public void finishLayoutLw() {
3969        return;
3970    }
3971
3972    /** {@inheritDoc} */
3973    @Override
3974    public void beginPostLayoutPolicyLw(int displayWidth, int displayHeight) {
3975        mTopFullscreenOpaqueWindowState = null;
3976        mTopFullscreenOpaqueOrDimmingWindowState = null;
3977        mAppsToBeHidden.clear();
3978        mAppsThatDismissKeyguard.clear();
3979        mForceStatusBar = false;
3980        mForceStatusBarFromKeyguard = false;
3981        mForcingShowNavBar = false;
3982        mForcingShowNavBarLayer = -1;
3983
3984        mHideLockScreen = false;
3985        mAllowLockscreenWhenOn = false;
3986        mDismissKeyguard = DISMISS_KEYGUARD_NONE;
3987        mShowingLockscreen = false;
3988        mShowingDream = false;
3989        mWinShowWhenLocked = null;
3990        mKeyguardSecure = isKeyguardSecure();
3991        mKeyguardSecureIncludingHidden = mKeyguardSecure
3992                && (mKeyguardDelegate != null && mKeyguardDelegate.isShowing());
3993    }
3994
3995    /** {@inheritDoc} */
3996    @Override
3997    public void applyPostLayoutPolicyLw(WindowState win, WindowManager.LayoutParams attrs) {
3998        if (DEBUG_LAYOUT) Slog.i(TAG, "Win " + win + ": isVisibleOrBehindKeyguardLw="
3999                + win.isVisibleOrBehindKeyguardLw());
4000        final int fl = PolicyControl.getWindowFlags(win, attrs);
4001        if (mTopFullscreenOpaqueWindowState == null
4002                && win.isVisibleLw() && attrs.type == TYPE_INPUT_METHOD) {
4003            mForcingShowNavBar = true;
4004            mForcingShowNavBarLayer = win.getSurfaceLayer();
4005        }
4006        if (attrs.type == TYPE_STATUS_BAR && (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4007            mForceStatusBarFromKeyguard = true;
4008        }
4009        if (mTopFullscreenOpaqueWindowState == null &&
4010                win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()) {
4011            if ((fl & FLAG_FORCE_NOT_FULLSCREEN) != 0) {
4012                if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4013                    mForceStatusBarFromKeyguard = true;
4014                } else {
4015                    mForceStatusBar = true;
4016                }
4017            }
4018            if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4019                mShowingLockscreen = true;
4020            }
4021            boolean appWindow = attrs.type >= FIRST_APPLICATION_WINDOW
4022                    && attrs.type < FIRST_SYSTEM_WINDOW;
4023            if (attrs.type == TYPE_DREAM) {
4024                // If the lockscreen was showing when the dream started then wait
4025                // for the dream to draw before hiding the lockscreen.
4026                if (!mDreamingLockscreen
4027                        || (win.isVisibleLw() && win.hasDrawnLw())) {
4028                    mShowingDream = true;
4029                    appWindow = true;
4030                }
4031            }
4032
4033            final boolean showWhenLocked = (fl & FLAG_SHOW_WHEN_LOCKED) != 0;
4034            final boolean dismissKeyguard = (fl & FLAG_DISMISS_KEYGUARD) != 0;
4035            if (appWindow) {
4036                final IApplicationToken appToken = win.getAppToken();
4037                if (showWhenLocked) {
4038                    // Remove any previous windows with the same appToken.
4039                    mAppsToBeHidden.remove(appToken);
4040                    mAppsThatDismissKeyguard.remove(appToken);
4041                    if (mAppsToBeHidden.isEmpty()) {
4042                        if (dismissKeyguard && !mKeyguardSecure) {
4043                            mAppsThatDismissKeyguard.add(appToken);
4044                        } else {
4045                            mWinShowWhenLocked = win;
4046                            mHideLockScreen = true;
4047                            mForceStatusBarFromKeyguard = false;
4048                        }
4049                    }
4050                } else if (dismissKeyguard) {
4051                    if (mKeyguardSecure) {
4052                        mAppsToBeHidden.add(appToken);
4053                    } else {
4054                        mAppsToBeHidden.remove(appToken);
4055                    }
4056                    mAppsThatDismissKeyguard.add(appToken);
4057                } else {
4058                    mAppsToBeHidden.add(appToken);
4059                }
4060                if (attrs.x == 0 && attrs.y == 0
4061                        && attrs.width == WindowManager.LayoutParams.MATCH_PARENT
4062                        && attrs.height == WindowManager.LayoutParams.MATCH_PARENT) {
4063                    if (DEBUG_LAYOUT) Slog.v(TAG, "Fullscreen window: " + win);
4064                    mTopFullscreenOpaqueWindowState = win;
4065                    if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
4066                        mTopFullscreenOpaqueOrDimmingWindowState = win;
4067                    }
4068                    if (!mAppsThatDismissKeyguard.isEmpty() &&
4069                            mDismissKeyguard == DISMISS_KEYGUARD_NONE) {
4070                        if (DEBUG_LAYOUT) Slog.v(TAG,
4071                                "Setting mDismissKeyguard true by win " + win);
4072                        mDismissKeyguard = mWinDismissingKeyguard == win ?
4073                                DISMISS_KEYGUARD_CONTINUE : DISMISS_KEYGUARD_START;
4074                        mWinDismissingKeyguard = win;
4075                        mForceStatusBarFromKeyguard = mShowingLockscreen && mKeyguardSecure;
4076                    } else if (mAppsToBeHidden.isEmpty() && showWhenLocked) {
4077                        if (DEBUG_LAYOUT) Slog.v(TAG,
4078                                "Setting mHideLockScreen to true by win " + win);
4079                        mHideLockScreen = true;
4080                        mForceStatusBarFromKeyguard = false;
4081                    }
4082                    if ((fl & FLAG_ALLOW_LOCK_WHILE_SCREEN_ON) != 0) {
4083                        mAllowLockscreenWhenOn = true;
4084                    }
4085                }
4086
4087                if (mWinShowWhenLocked != null &&
4088                        mWinShowWhenLocked.getAppToken() != win.getAppToken()) {
4089                    win.hideLw(false);
4090                }
4091            }
4092        }
4093        if (mTopFullscreenOpaqueOrDimmingWindowState == null
4094                && win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()
4095                && win.isDimming()) {
4096            mTopFullscreenOpaqueOrDimmingWindowState = win;
4097        }
4098    }
4099
4100    /** {@inheritDoc} */
4101    @Override
4102    public int finishPostLayoutPolicyLw() {
4103        if (mWinShowWhenLocked != null &&
4104                mWinShowWhenLocked != mTopFullscreenOpaqueWindowState) {
4105            // A dialog is dismissing the keyguard. Put the wallpaper behind it and hide the
4106            // fullscreen window.
4107            // TODO: Make sure FLAG_SHOW_WALLPAPER is restored when dialog is dismissed. Or not.
4108            mWinShowWhenLocked.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
4109            mTopFullscreenOpaqueWindowState.hideLw(false);
4110            mTopFullscreenOpaqueWindowState = mWinShowWhenLocked;
4111        }
4112
4113        int changes = 0;
4114        boolean topIsFullscreen = false;
4115
4116        final WindowManager.LayoutParams lp = (mTopFullscreenOpaqueWindowState != null)
4117                ? mTopFullscreenOpaqueWindowState.getAttrs()
4118                : null;
4119
4120        // If we are not currently showing a dream then remember the current
4121        // lockscreen state.  We will use this to determine whether the dream
4122        // started while the lockscreen was showing and remember this state
4123        // while the dream is showing.
4124        if (!mShowingDream) {
4125            mDreamingLockscreen = mShowingLockscreen;
4126        }
4127
4128        if (mStatusBar != null) {
4129            if (DEBUG_LAYOUT) Slog.i(TAG, "force=" + mForceStatusBar
4130                    + " forcefkg=" + mForceStatusBarFromKeyguard
4131                    + " top=" + mTopFullscreenOpaqueWindowState);
4132            if (mForceStatusBar || mForceStatusBarFromKeyguard) {
4133                if (DEBUG_LAYOUT) Slog.v(TAG, "Showing status bar: forced");
4134                if (mStatusBarController.setBarShowingLw(true)) {
4135                    changes |= FINISH_LAYOUT_REDO_LAYOUT;
4136                }
4137                // Maintain fullscreen layout until incoming animation is complete.
4138                topIsFullscreen = mTopIsFullscreen && mStatusBar.isAnimatingLw();
4139                // Transient status bar on the lockscreen is not allowed
4140                if (mForceStatusBarFromKeyguard && mStatusBarController.isTransientShowing()) {
4141                    mStatusBarController.updateVisibilityLw(false /*transientAllowed*/,
4142                            mLastSystemUiFlags, mLastSystemUiFlags);
4143                }
4144            } else if (mTopFullscreenOpaqueWindowState != null) {
4145                final int fl = PolicyControl.getWindowFlags(null, lp);
4146                if (localLOGV) {
4147                    Slog.d(TAG, "frame: " + mTopFullscreenOpaqueWindowState.getFrameLw()
4148                            + " shown frame: " + mTopFullscreenOpaqueWindowState.getShownFrameLw());
4149                    Slog.d(TAG, "attr: " + mTopFullscreenOpaqueWindowState.getAttrs()
4150                            + " lp.flags=0x" + Integer.toHexString(fl));
4151                }
4152                topIsFullscreen = (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0
4153                        || (mLastSystemUiFlags & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
4154                // The subtle difference between the window for mTopFullscreenOpaqueWindowState
4155                // and mTopIsFullscreen is that mTopIsFullscreen is set only if the window
4156                // has the FLAG_FULLSCREEN set.  Not sure if there is another way that to be the
4157                // case though.
4158                if (mStatusBarController.isTransientShowing()) {
4159                    if (mStatusBarController.setBarShowingLw(true)) {
4160                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4161                    }
4162                } else if (topIsFullscreen) {
4163                    if (DEBUG_LAYOUT) Slog.v(TAG, "** HIDING status bar");
4164                    if (mStatusBarController.setBarShowingLw(false)) {
4165                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4166                    } else {
4167                        if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar already hiding");
4168                    }
4169                } else {
4170                    if (DEBUG_LAYOUT) Slog.v(TAG, "** SHOWING status bar: top is not fullscreen");
4171                    if (mStatusBarController.setBarShowingLw(true)) {
4172                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4173                    }
4174                }
4175            }
4176        }
4177
4178        if (mTopIsFullscreen != topIsFullscreen) {
4179            if (!topIsFullscreen) {
4180                // Force another layout when status bar becomes fully shown.
4181                changes |= FINISH_LAYOUT_REDO_LAYOUT;
4182            }
4183            mTopIsFullscreen = topIsFullscreen;
4184        }
4185
4186        // Hide the key guard if a visible window explicitly specifies that it wants to be
4187        // displayed when the screen is locked.
4188        if (mKeyguardDelegate != null && mStatusBar != null) {
4189            if (localLOGV) Slog.v(TAG, "finishPostLayoutPolicyLw: mHideKeyguard="
4190                    + mHideLockScreen);
4191            if (mDismissKeyguard != DISMISS_KEYGUARD_NONE && !mKeyguardSecure) {
4192                mKeyguardHidden = true;
4193                if (setKeyguardOccludedLw(true)) {
4194                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4195                            | FINISH_LAYOUT_REDO_CONFIG
4196                            | FINISH_LAYOUT_REDO_WALLPAPER;
4197                }
4198                if (mKeyguardDelegate.isShowing()) {
4199                    mHandler.post(new Runnable() {
4200                        @Override
4201                        public void run() {
4202                            mKeyguardDelegate.keyguardDone(false, false);
4203                        }
4204                    });
4205                }
4206            } else if (mHideLockScreen) {
4207                mKeyguardHidden = true;
4208                if (setKeyguardOccludedLw(true)) {
4209                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4210                            | FINISH_LAYOUT_REDO_CONFIG
4211                            | FINISH_LAYOUT_REDO_WALLPAPER;
4212                }
4213            } else if (mDismissKeyguard != DISMISS_KEYGUARD_NONE) {
4214                // This is the case of keyguard isSecure() and not mHideLockScreen.
4215                if (mDismissKeyguard == DISMISS_KEYGUARD_START) {
4216                    // Only launch the next keyguard unlock window once per window.
4217                    mKeyguardHidden = false;
4218                    if (setKeyguardOccludedLw(false)) {
4219                        changes |= FINISH_LAYOUT_REDO_LAYOUT
4220                                | FINISH_LAYOUT_REDO_CONFIG
4221                                | FINISH_LAYOUT_REDO_WALLPAPER;
4222                    }
4223                    mHandler.post(new Runnable() {
4224                        @Override
4225                        public void run() {
4226                            mKeyguardDelegate.dismiss();
4227                        }
4228                    });
4229                }
4230            } else {
4231                mWinDismissingKeyguard = null;
4232                mKeyguardHidden = false;
4233                if (setKeyguardOccludedLw(false)) {
4234                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4235                            | FINISH_LAYOUT_REDO_CONFIG
4236                            | FINISH_LAYOUT_REDO_WALLPAPER;
4237                }
4238            }
4239        }
4240
4241        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
4242            // If the navigation bar has been hidden or shown, we need to do another
4243            // layout pass to update that window.
4244            changes |= FINISH_LAYOUT_REDO_LAYOUT;
4245        }
4246
4247        // update since mAllowLockscreenWhenOn might have changed
4248        updateLockScreenTimeout();
4249        return changes;
4250    }
4251
4252    /**
4253     * Updates the occluded state of the Keyguard.
4254     *
4255     * @return Whether the flags have changed and we have to redo the layout.
4256     */
4257    private boolean setKeyguardOccludedLw(boolean isOccluded) {
4258        boolean wasOccluded = mKeyguardOccluded;
4259        boolean showing = mKeyguardDelegate.isShowing();
4260        if (wasOccluded && !isOccluded && showing) {
4261            mKeyguardOccluded = false;
4262            mKeyguardDelegate.setOccluded(false);
4263            mStatusBar.getAttrs().privateFlags |= PRIVATE_FLAG_KEYGUARD;
4264            mStatusBar.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
4265            return true;
4266        } else if (!wasOccluded && isOccluded && showing) {
4267            mKeyguardOccluded = true;
4268            mKeyguardDelegate.setOccluded(true);
4269            mStatusBar.getAttrs().privateFlags &= ~PRIVATE_FLAG_KEYGUARD;
4270            mStatusBar.getAttrs().flags &= ~FLAG_SHOW_WALLPAPER;
4271            return true;
4272        } else {
4273            return false;
4274        }
4275    }
4276
4277    private boolean isStatusBarKeyguard() {
4278        return mStatusBar != null
4279                && (mStatusBar.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
4280    }
4281
4282    @Override
4283    public boolean allowAppAnimationsLw() {
4284        if (isStatusBarKeyguard() || mShowingDream) {
4285            // If keyguard or dreams is currently visible, no reason to animate behind it.
4286            return false;
4287        }
4288        return true;
4289    }
4290
4291    @Override
4292    public int focusChangedLw(WindowState lastFocus, WindowState newFocus) {
4293        mFocusedWindow = newFocus;
4294        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
4295            // If the navigation bar has been hidden or shown, we need to do another
4296            // layout pass to update that window.
4297            return FINISH_LAYOUT_REDO_LAYOUT;
4298        }
4299        return 0;
4300    }
4301
4302    /** {@inheritDoc} */
4303    @Override
4304    public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
4305        // lid changed state
4306        final int newLidState = lidOpen ? LID_OPEN : LID_CLOSED;
4307        if (newLidState == mLidState) {
4308            return;
4309        }
4310
4311        mLidState = newLidState;
4312        applyLidSwitchState();
4313        updateRotation(true);
4314
4315        if (lidOpen) {
4316            wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromLidSwitch);
4317        } else if (!mLidControlsSleep) {
4318            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
4319        }
4320    }
4321
4322    @Override
4323    public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) {
4324        int lensCoverState = lensCovered ? CAMERA_LENS_COVERED : CAMERA_LENS_UNCOVERED;
4325        if (mCameraLensCoverState == lensCoverState) {
4326            return;
4327        }
4328        if (mCameraLensCoverState == CAMERA_LENS_COVERED &&
4329                lensCoverState == CAMERA_LENS_UNCOVERED) {
4330            Intent intent;
4331            final boolean keyguardActive = mKeyguardDelegate == null ? false :
4332                    mKeyguardDelegate.isShowing();
4333            if (keyguardActive) {
4334                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);
4335            } else {
4336                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
4337            }
4338            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromCameraLens);
4339            mContext.startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
4340        }
4341        mCameraLensCoverState = lensCoverState;
4342    }
4343
4344    void setHdmiPlugged(boolean plugged) {
4345        if (mHdmiPlugged != plugged) {
4346            mHdmiPlugged = plugged;
4347            updateRotation(true, true);
4348            Intent intent = new Intent(ACTION_HDMI_PLUGGED);
4349            intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
4350            intent.putExtra(EXTRA_HDMI_PLUGGED_STATE, plugged);
4351            mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
4352        }
4353    }
4354
4355    void initializeHdmiState() {
4356        boolean plugged = false;
4357        // watch for HDMI plug messages if the hdmi switch exists
4358        if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
4359            mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
4360
4361            final String filename = "/sys/class/switch/hdmi/state";
4362            FileReader reader = null;
4363            try {
4364                reader = new FileReader(filename);
4365                char[] buf = new char[15];
4366                int n = reader.read(buf);
4367                if (n > 1) {
4368                    plugged = 0 != Integer.parseInt(new String(buf, 0, n-1));
4369                }
4370            } catch (IOException ex) {
4371                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
4372            } catch (NumberFormatException ex) {
4373                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
4374            } finally {
4375                if (reader != null) {
4376                    try {
4377                        reader.close();
4378                    } catch (IOException ex) {
4379                    }
4380                }
4381            }
4382        }
4383        // This dance forces the code in setHdmiPlugged to run.
4384        // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
4385        mHdmiPlugged = !plugged;
4386        setHdmiPlugged(!mHdmiPlugged);
4387    }
4388
4389    final Object mScreenshotLock = new Object();
4390    ServiceConnection mScreenshotConnection = null;
4391
4392    final Runnable mScreenshotTimeout = new Runnable() {
4393        @Override public void run() {
4394            synchronized (mScreenshotLock) {
4395                if (mScreenshotConnection != null) {
4396                    mContext.unbindService(mScreenshotConnection);
4397                    mScreenshotConnection = null;
4398                }
4399            }
4400        }
4401    };
4402
4403    // Assume this is called from the Handler thread.
4404    private void takeScreenshot() {
4405        synchronized (mScreenshotLock) {
4406            if (mScreenshotConnection != null) {
4407                return;
4408            }
4409            ComponentName cn = new ComponentName("com.android.systemui",
4410                    "com.android.systemui.screenshot.TakeScreenshotService");
4411            Intent intent = new Intent();
4412            intent.setComponent(cn);
4413            ServiceConnection conn = new ServiceConnection() {
4414                @Override
4415                public void onServiceConnected(ComponentName name, IBinder service) {
4416                    synchronized (mScreenshotLock) {
4417                        if (mScreenshotConnection != this) {
4418                            return;
4419                        }
4420                        Messenger messenger = new Messenger(service);
4421                        Message msg = Message.obtain(null, 1);
4422                        final ServiceConnection myConn = this;
4423                        Handler h = new Handler(mHandler.getLooper()) {
4424                            @Override
4425                            public void handleMessage(Message msg) {
4426                                synchronized (mScreenshotLock) {
4427                                    if (mScreenshotConnection == myConn) {
4428                                        mContext.unbindService(mScreenshotConnection);
4429                                        mScreenshotConnection = null;
4430                                        mHandler.removeCallbacks(mScreenshotTimeout);
4431                                    }
4432                                }
4433                            }
4434                        };
4435                        msg.replyTo = new Messenger(h);
4436                        msg.arg1 = msg.arg2 = 0;
4437                        if (mStatusBar != null && mStatusBar.isVisibleLw())
4438                            msg.arg1 = 1;
4439                        if (mNavigationBar != null && mNavigationBar.isVisibleLw())
4440                            msg.arg2 = 1;
4441                        try {
4442                            messenger.send(msg);
4443                        } catch (RemoteException e) {
4444                        }
4445                    }
4446                }
4447                @Override
4448                public void onServiceDisconnected(ComponentName name) {}
4449            };
4450            if (mContext.bindServiceAsUser(
4451                    intent, conn, Context.BIND_AUTO_CREATE, UserHandle.CURRENT)) {
4452                mScreenshotConnection = conn;
4453                mHandler.postDelayed(mScreenshotTimeout, 10000);
4454            }
4455        }
4456    }
4457
4458    /** {@inheritDoc} */
4459    @Override
4460    public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) {
4461        if (!mSystemBooted) {
4462            // If we have not yet booted, don't let key events do anything.
4463            return 0;
4464        }
4465
4466        final boolean interactive = (policyFlags & FLAG_INTERACTIVE) != 0;
4467        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
4468        final boolean canceled = event.isCanceled();
4469        final int keyCode = event.getKeyCode();
4470
4471        final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;
4472
4473        // If screen is off then we treat the case where the keyguard is open but hidden
4474        // the same as if it were open and in front.
4475        // This will prevent any keys other than the power button from waking the screen
4476        // when the keyguard is hidden by another activity.
4477        final boolean keyguardActive = (mKeyguardDelegate == null ? false :
4478                                            (interactive ?
4479                                                isKeyguardShowingAndNotOccluded() :
4480                                                mKeyguardDelegate.isShowing()));
4481
4482        if (DEBUG_INPUT) {
4483            Log.d(TAG, "interceptKeyTq keycode=" + keyCode
4484                    + " interactive=" + interactive + " keyguardActive=" + keyguardActive
4485                    + " policyFlags=" + Integer.toHexString(policyFlags));
4486        }
4487
4488        // Basic policy based on interactive state.
4489        int result;
4490        boolean isWakeKey = (policyFlags & WindowManagerPolicy.FLAG_WAKE) != 0
4491                || event.isWakeKey();
4492        if (interactive || (isInjected && !isWakeKey)) {
4493            // When the device is interactive or the key is injected pass the
4494            // key to the application.
4495            result = ACTION_PASS_TO_USER;
4496            isWakeKey = false;
4497        } else if (!interactive && shouldDispatchInputWhenNonInteractive()) {
4498            // If we're currently dozing with the screen on and the keyguard showing, pass the key
4499            // to the application but preserve its wake key status to make sure we still move
4500            // from dozing to fully interactive if we would normally go from off to fully
4501            // interactive.
4502            result = ACTION_PASS_TO_USER;
4503        } else {
4504            // When the screen is off and the key is not injected, determine whether
4505            // to wake the device but don't pass the key to the application.
4506            result = 0;
4507            if (isWakeKey && (!down || !isWakeKeyWhenScreenOff(keyCode))) {
4508                isWakeKey = false;
4509            }
4510        }
4511
4512        // If the key would be handled globally, just return the result, don't worry about special
4513        // key processing.
4514        if (isValidGlobalKey(keyCode)
4515                && mGlobalKeyManager.shouldHandleGlobalKey(keyCode, event)) {
4516            if (isWakeKey) {
4517                wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey);
4518            }
4519            return result;
4520        }
4521
4522        boolean useHapticFeedback = down
4523                && (policyFlags & WindowManagerPolicy.FLAG_VIRTUAL) != 0
4524                && event.getRepeatCount() == 0;
4525
4526        // Handle special keys.
4527        switch (keyCode) {
4528            case KeyEvent.KEYCODE_VOLUME_DOWN:
4529            case KeyEvent.KEYCODE_VOLUME_UP:
4530            case KeyEvent.KEYCODE_VOLUME_MUTE: {
4531                if (mUseTvRouting) {
4532                    // On TVs volume keys never go to the foreground app
4533                    result &= ~ACTION_PASS_TO_USER;
4534                }
4535                if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
4536                    if (down) {
4537                        if (interactive && !mScreenshotChordVolumeDownKeyTriggered
4538                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
4539                            mScreenshotChordVolumeDownKeyTriggered = true;
4540                            mScreenshotChordVolumeDownKeyTime = event.getDownTime();
4541                            mScreenshotChordVolumeDownKeyConsumed = false;
4542                            cancelPendingPowerKeyAction();
4543                            interceptScreenshotChord();
4544                        }
4545                    } else {
4546                        mScreenshotChordVolumeDownKeyTriggered = false;
4547                        cancelPendingScreenshotChordAction();
4548                    }
4549                } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
4550                    if (down) {
4551                        if (interactive && !mScreenshotChordVolumeUpKeyTriggered
4552                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
4553                            mScreenshotChordVolumeUpKeyTriggered = true;
4554                            cancelPendingPowerKeyAction();
4555                            cancelPendingScreenshotChordAction();
4556                        }
4557                    } else {
4558                        mScreenshotChordVolumeUpKeyTriggered = false;
4559                        cancelPendingScreenshotChordAction();
4560                    }
4561                }
4562                if (down) {
4563                    TelecomManager telecomManager = getTelecommService();
4564                    if (telecomManager != null) {
4565                        if (telecomManager.isRinging()) {
4566                            // If an incoming call is ringing, either VOLUME key means
4567                            // "silence ringer".  We handle these keys here, rather than
4568                            // in the InCallScreen, to make sure we'll respond to them
4569                            // even if the InCallScreen hasn't come to the foreground yet.
4570                            // Look for the DOWN event here, to agree with the "fallback"
4571                            // behavior in the InCallScreen.
4572                            Log.i(TAG, "interceptKeyBeforeQueueing:"
4573                                  + " VOLUME key-down while ringing: Silence ringer!");
4574
4575                            // Silence the ringer.  (It's safe to call this
4576                            // even if the ringer has already been silenced.)
4577                            telecomManager.silenceRinger();
4578
4579                            // And *don't* pass this key thru to the current activity
4580                            // (which is probably the InCallScreen.)
4581                            result &= ~ACTION_PASS_TO_USER;
4582                            break;
4583                        }
4584                        if (telecomManager.isInCall()
4585                                && (result & ACTION_PASS_TO_USER) == 0) {
4586                            // If we are in call but we decided not to pass the key to
4587                            // the application, just pass it to the session service.
4588
4589                            MediaSessionLegacyHelper.getHelper(mContext)
4590                                    .sendVolumeKeyEvent(event, false);
4591                            break;
4592                        }
4593                    }
4594
4595                    if ((result & ACTION_PASS_TO_USER) == 0) {
4596                        if (mUseTvRouting) {
4597                            dispatchDirectAudioEvent(event);
4598                        } else {
4599                            // If we aren't passing to the user and no one else
4600                            // handled it send it to the session manager to
4601                            // figure out.
4602                            MediaSessionLegacyHelper.getHelper(mContext)
4603                                    .sendVolumeKeyEvent(event, true);
4604                        }
4605                        break;
4606                    }
4607                }
4608                break;
4609            }
4610
4611            case KeyEvent.KEYCODE_ENDCALL: {
4612                result &= ~ACTION_PASS_TO_USER;
4613                if (down) {
4614                    TelecomManager telecomManager = getTelecommService();
4615                    boolean hungUp = false;
4616                    if (telecomManager != null) {
4617                        hungUp = telecomManager.endCall();
4618                    }
4619                    if (interactive && !hungUp) {
4620                        mEndCallKeyHandled = false;
4621                        mHandler.postDelayed(mEndCallLongPress,
4622                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
4623                    } else {
4624                        mEndCallKeyHandled = true;
4625                    }
4626                } else {
4627                    if (!mEndCallKeyHandled) {
4628                        mHandler.removeCallbacks(mEndCallLongPress);
4629                        if (!canceled) {
4630                            if ((mEndcallBehavior
4631                                    & Settings.System.END_BUTTON_BEHAVIOR_HOME) != 0) {
4632                                if (goHome()) {
4633                                    break;
4634                                }
4635                            }
4636                            if ((mEndcallBehavior
4637                                    & Settings.System.END_BUTTON_BEHAVIOR_SLEEP) != 0) {
4638                                mPowerManager.goToSleep(event.getEventTime(),
4639                                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
4640                                isWakeKey = false;
4641                            }
4642                        }
4643                    }
4644                }
4645                break;
4646            }
4647
4648            case KeyEvent.KEYCODE_POWER: {
4649                result &= ~ACTION_PASS_TO_USER;
4650                isWakeKey = false; // wake-up will be handled separately
4651                if (down) {
4652                    interceptPowerKeyDown(event, interactive);
4653                } else {
4654                    interceptPowerKeyUp(event, interactive, canceled);
4655                }
4656                break;
4657            }
4658
4659            case KeyEvent.KEYCODE_SLEEP: {
4660                result &= ~ACTION_PASS_TO_USER;
4661                if (!mPowerManager.isInteractive()) {
4662                    useHapticFeedback = false; // suppress feedback if already non-interactive
4663                }
4664                mPowerManager.goToSleep(event.getEventTime(),
4665                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
4666                isWakeKey = false;
4667                break;
4668            }
4669
4670            case KeyEvent.KEYCODE_WAKEUP: {
4671                result &= ~ACTION_PASS_TO_USER;
4672                isWakeKey = true;
4673                break;
4674            }
4675
4676            case KeyEvent.KEYCODE_MEDIA_PLAY:
4677            case KeyEvent.KEYCODE_MEDIA_PAUSE:
4678            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
4679            case KeyEvent.KEYCODE_HEADSETHOOK:
4680            case KeyEvent.KEYCODE_MUTE:
4681            case KeyEvent.KEYCODE_MEDIA_STOP:
4682            case KeyEvent.KEYCODE_MEDIA_NEXT:
4683            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
4684            case KeyEvent.KEYCODE_MEDIA_REWIND:
4685            case KeyEvent.KEYCODE_MEDIA_RECORD:
4686            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
4687            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: {
4688                if (MediaSessionLegacyHelper.getHelper(mContext).isGlobalPriorityActive()) {
4689                    // If the global session is active pass all media keys to it
4690                    // instead of the active window.
4691                    result &= ~ACTION_PASS_TO_USER;
4692                }
4693                if ((result & ACTION_PASS_TO_USER) == 0) {
4694                    // Only do this if we would otherwise not pass it to the user. In that
4695                    // case, the PhoneWindow class will do the same thing, except it will
4696                    // only do it if the showing app doesn't process the key on its own.
4697                    // Note that we need to make a copy of the key event here because the
4698                    // original key event will be recycled when we return.
4699                    mBroadcastWakeLock.acquire();
4700                    Message msg = mHandler.obtainMessage(MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK,
4701                            new KeyEvent(event));
4702                    msg.setAsynchronous(true);
4703                    msg.sendToTarget();
4704                }
4705                break;
4706            }
4707
4708            case KeyEvent.KEYCODE_CALL: {
4709                if (down) {
4710                    TelecomManager telecomManager = getTelecommService();
4711                    if (telecomManager != null) {
4712                        if (telecomManager.isRinging()) {
4713                            Log.i(TAG, "interceptKeyBeforeQueueing:"
4714                                  + " CALL key-down while ringing: Answer the call!");
4715                            telecomManager.acceptRingingCall();
4716
4717                            // And *don't* pass this key thru to the current activity
4718                            // (which is presumably the InCallScreen.)
4719                            result &= ~ACTION_PASS_TO_USER;
4720                        }
4721                    }
4722                }
4723                break;
4724            }
4725            case KeyEvent.KEYCODE_VOICE_ASSIST: {
4726                // Only do this if we would otherwise not pass it to the user. In that case,
4727                // interceptKeyBeforeDispatching would apply a similar but different policy in
4728                // order to invoke voice assist actions. Note that we need to make a copy of the
4729                // key event here because the original key event will be recycled when we return.
4730                if ((result & ACTION_PASS_TO_USER) == 0 && !down) {
4731                    mBroadcastWakeLock.acquire();
4732                    Message msg = mHandler.obtainMessage(MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK,
4733                            keyguardActive ? 1 : 0, 0);
4734                    msg.setAsynchronous(true);
4735                    msg.sendToTarget();
4736                }
4737            }
4738        }
4739
4740        if (useHapticFeedback) {
4741            performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
4742        }
4743
4744        if (isWakeKey) {
4745            wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey);
4746        }
4747
4748        return result;
4749    }
4750
4751    /**
4752     * Returns true if the key can have global actions attached to it.
4753     * We reserve all power management keys for the system since they require
4754     * very careful handling.
4755     */
4756    private static boolean isValidGlobalKey(int keyCode) {
4757        switch (keyCode) {
4758            case KeyEvent.KEYCODE_POWER:
4759            case KeyEvent.KEYCODE_WAKEUP:
4760            case KeyEvent.KEYCODE_SLEEP:
4761                return false;
4762            default:
4763                return true;
4764        }
4765    }
4766
4767    /**
4768     * When the screen is off we ignore some keys that might otherwise typically
4769     * be considered wake keys.  We filter them out here.
4770     *
4771     * {@link KeyEvent#KEYCODE_POWER} is notably absent from this list because it
4772     * is always considered a wake key.
4773     */
4774    private boolean isWakeKeyWhenScreenOff(int keyCode) {
4775        switch (keyCode) {
4776            // ignore volume keys unless docked
4777            case KeyEvent.KEYCODE_VOLUME_UP:
4778            case KeyEvent.KEYCODE_VOLUME_DOWN:
4779            case KeyEvent.KEYCODE_VOLUME_MUTE:
4780                return mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;
4781
4782            // ignore media and camera keys
4783            case KeyEvent.KEYCODE_MUTE:
4784            case KeyEvent.KEYCODE_HEADSETHOOK:
4785            case KeyEvent.KEYCODE_MEDIA_PLAY:
4786            case KeyEvent.KEYCODE_MEDIA_PAUSE:
4787            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
4788            case KeyEvent.KEYCODE_MEDIA_STOP:
4789            case KeyEvent.KEYCODE_MEDIA_NEXT:
4790            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
4791            case KeyEvent.KEYCODE_MEDIA_REWIND:
4792            case KeyEvent.KEYCODE_MEDIA_RECORD:
4793            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
4794            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK:
4795            case KeyEvent.KEYCODE_CAMERA:
4796                return false;
4797        }
4798        return true;
4799    }
4800
4801
4802    /** {@inheritDoc} */
4803    @Override
4804    public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) {
4805        if ((policyFlags & FLAG_WAKE) != 0) {
4806            if (wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotion)) {
4807                return 0;
4808            }
4809        }
4810
4811        if (shouldDispatchInputWhenNonInteractive()) {
4812            return ACTION_PASS_TO_USER;
4813        }
4814
4815        // If we have not passed the action up and we are in theater mode without dreaming,
4816        // there will be no dream to intercept the touch and wake into ambient.  The device should
4817        // wake up in this case.
4818        if (isTheaterModeEnabled() && (policyFlags & FLAG_WAKE) != 0) {
4819            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotionWhenNotDreaming);
4820        }
4821
4822        return 0;
4823    }
4824
4825    private boolean shouldDispatchInputWhenNonInteractive() {
4826        // Send events to keyguard while the screen is on.
4827        if (isKeyguardShowingAndNotOccluded() && mDisplay != null
4828                && mDisplay.getState() != Display.STATE_OFF) {
4829            return true;
4830        }
4831
4832        // Send events to a dozing dream even if the screen is off since the dream
4833        // is in control of the state of the screen.
4834        IDreamManager dreamManager = getDreamManager();
4835
4836        try {
4837            if (dreamManager != null && dreamManager.isDreaming()) {
4838                return true;
4839            }
4840        } catch (RemoteException e) {
4841            Slog.e(TAG, "RemoteException when checking if dreaming", e);
4842        }
4843
4844        // Otherwise, consume events since the user can't see what is being
4845        // interacted with.
4846        return false;
4847    }
4848
4849    private void dispatchDirectAudioEvent(KeyEvent event) {
4850        if (event.getAction() != KeyEvent.ACTION_DOWN) {
4851            return;
4852        }
4853        int keyCode = event.getKeyCode();
4854        int flags = AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_PLAY_SOUND;
4855        String pkgName = mContext.getOpPackageName();
4856        switch (keyCode) {
4857            case KeyEvent.KEYCODE_VOLUME_UP:
4858                try {
4859                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_RAISE,
4860                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName);
4861                } catch (RemoteException e) {
4862                    Log.e(TAG, "Error dispatching volume up in dispatchTvAudioEvent.", e);
4863                }
4864                break;
4865            case KeyEvent.KEYCODE_VOLUME_DOWN:
4866                try {
4867                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_LOWER,
4868                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName);
4869                } catch (RemoteException e) {
4870                    Log.e(TAG, "Error dispatching volume down in dispatchTvAudioEvent.", e);
4871                }
4872                break;
4873            case KeyEvent.KEYCODE_VOLUME_MUTE:
4874                try {
4875                    if (event.getRepeatCount() == 0) {
4876                        getAudioService().adjustSuggestedStreamVolume(
4877                                AudioManager.ADJUST_TOGGLE_MUTE,
4878                                AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName);
4879                    }
4880                } catch (RemoteException e) {
4881                    Log.e(TAG, "Error dispatching mute in dispatchTvAudioEvent.", e);
4882                }
4883                break;
4884        }
4885    }
4886
4887    void dispatchMediaKeyWithWakeLock(KeyEvent event) {
4888        if (DEBUG_INPUT) {
4889            Slog.d(TAG, "dispatchMediaKeyWithWakeLock: " + event);
4890        }
4891
4892        if (mHavePendingMediaKeyRepeatWithWakeLock) {
4893            if (DEBUG_INPUT) {
4894                Slog.d(TAG, "dispatchMediaKeyWithWakeLock: canceled repeat");
4895            }
4896
4897            mHandler.removeMessages(MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK);
4898            mHavePendingMediaKeyRepeatWithWakeLock = false;
4899            mBroadcastWakeLock.release(); // pending repeat was holding onto the wake lock
4900        }
4901
4902        dispatchMediaKeyWithWakeLockToAudioService(event);
4903
4904        if (event.getAction() == KeyEvent.ACTION_DOWN
4905                && event.getRepeatCount() == 0) {
4906            mHavePendingMediaKeyRepeatWithWakeLock = true;
4907
4908            Message msg = mHandler.obtainMessage(
4909                    MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK, event);
4910            msg.setAsynchronous(true);
4911            mHandler.sendMessageDelayed(msg, ViewConfiguration.getKeyRepeatTimeout());
4912        } else {
4913            mBroadcastWakeLock.release();
4914        }
4915    }
4916
4917    void dispatchMediaKeyRepeatWithWakeLock(KeyEvent event) {
4918        mHavePendingMediaKeyRepeatWithWakeLock = false;
4919
4920        KeyEvent repeatEvent = KeyEvent.changeTimeRepeat(event,
4921                SystemClock.uptimeMillis(), 1, event.getFlags() | KeyEvent.FLAG_LONG_PRESS);
4922        if (DEBUG_INPUT) {
4923            Slog.d(TAG, "dispatchMediaKeyRepeatWithWakeLock: " + repeatEvent);
4924        }
4925
4926        dispatchMediaKeyWithWakeLockToAudioService(repeatEvent);
4927        mBroadcastWakeLock.release();
4928    }
4929
4930    void dispatchMediaKeyWithWakeLockToAudioService(KeyEvent event) {
4931        if (ActivityManagerNative.isSystemReady()) {
4932            MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(event, true);
4933        }
4934    }
4935
4936    void launchVoiceAssistWithWakeLock(boolean keyguardActive) {
4937        Intent voiceIntent =
4938            new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
4939        voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, keyguardActive);
4940        mContext.startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
4941        mBroadcastWakeLock.release();
4942    }
4943
4944    BroadcastReceiver mDockReceiver = new BroadcastReceiver() {
4945        @Override
4946        public void onReceive(Context context, Intent intent) {
4947            if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
4948                mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
4949                        Intent.EXTRA_DOCK_STATE_UNDOCKED);
4950            } else {
4951                try {
4952                    IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
4953                            ServiceManager.getService(Context.UI_MODE_SERVICE));
4954                    mUiMode = uiModeService.getCurrentModeType();
4955                } catch (RemoteException e) {
4956                }
4957            }
4958            updateRotation(true);
4959            synchronized (mLock) {
4960                updateOrientationListenerLp();
4961            }
4962        }
4963    };
4964
4965    BroadcastReceiver mDreamReceiver = new BroadcastReceiver() {
4966        @Override
4967        public void onReceive(Context context, Intent intent) {
4968            if (Intent.ACTION_DREAMING_STARTED.equals(intent.getAction())) {
4969                if (mKeyguardDelegate != null) {
4970                    mKeyguardDelegate.onDreamingStarted();
4971                }
4972            } else if (Intent.ACTION_DREAMING_STOPPED.equals(intent.getAction())) {
4973                if (mKeyguardDelegate != null) {
4974                    mKeyguardDelegate.onDreamingStopped();
4975                }
4976            }
4977        }
4978    };
4979
4980    BroadcastReceiver mMultiuserReceiver = new BroadcastReceiver() {
4981        @Override
4982        public void onReceive(Context context, Intent intent) {
4983            if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) {
4984                // tickle the settings observer: this first ensures that we're
4985                // observing the relevant settings for the newly-active user,
4986                // and then updates our own bookkeeping based on the now-
4987                // current user.
4988                mSettingsObserver.onChange(false);
4989
4990                // force a re-application of focused window sysui visibility.
4991                // the window may never have been shown for this user
4992                // e.g. the keyguard when going through the new-user setup flow
4993                synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
4994                    mLastSystemUiFlags = 0;
4995                    updateSystemUiVisibilityLw();
4996                }
4997            }
4998        }
4999    };
5000
5001    private final Runnable mRequestTransientNav = new Runnable() {
5002        @Override
5003        public void run() {
5004            requestTransientBars(mNavigationBar);
5005        }
5006    };
5007
5008    private void requestTransientBars(WindowState swipeTarget) {
5009        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5010            if (!isUserSetupComplete()) {
5011                // Swipe-up for navigation bar is disabled during setup
5012                return;
5013            }
5014            boolean sb = mStatusBarController.checkShowTransientBarLw();
5015            boolean nb = mNavigationBarController.checkShowTransientBarLw();
5016            if (sb || nb) {
5017                WindowState barTarget = sb ? mStatusBar : mNavigationBar;
5018                if (sb ^ nb && barTarget != swipeTarget) {
5019                    if (DEBUG) Slog.d(TAG, "Not showing transient bar, wrong swipe target");
5020                    return;
5021                }
5022                if (sb) mStatusBarController.showTransient();
5023                if (nb) mNavigationBarController.showTransient();
5024                mImmersiveModeConfirmation.confirmCurrentPrompt();
5025                updateSystemUiVisibilityLw();
5026            }
5027        }
5028    }
5029
5030    // Called on the PowerManager's Notifier thread.
5031    @Override
5032    public void goingToSleep(int why) {
5033        EventLog.writeEvent(70000, 0);
5034        if (DEBUG_WAKEUP) Slog.i(TAG, "Going to sleep...");
5035
5036        // We must get this work done here because the power manager will drop
5037        // the wake lock and let the system suspend once this function returns.
5038        synchronized (mLock) {
5039            mAwake = false;
5040            mKeyguardDrawComplete = false;
5041            updateWakeGestureListenerLp();
5042            updateOrientationListenerLp();
5043            updateLockScreenTimeout();
5044        }
5045
5046        if (mKeyguardDelegate != null) {
5047            mKeyguardDelegate.onScreenTurnedOff(why);
5048        }
5049    }
5050
5051    private void wakeUpFromPowerKey(long eventTime) {
5052        wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey);
5053    }
5054
5055    private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode) {
5056        if (!wakeInTheaterMode && isTheaterModeEnabled()) {
5057            return false;
5058        }
5059
5060        mPowerManager.wakeUp(wakeTime);
5061        return true;
5062    }
5063
5064    // Called on the PowerManager's Notifier thread.
5065    @Override
5066    public void wakingUp() {
5067        EventLog.writeEvent(70000, 1);
5068        if (DEBUG_WAKEUP) Slog.i(TAG, "Waking up...");
5069
5070        // Since goToSleep performs these functions synchronously, we must
5071        // do the same here.  We cannot post this work to a handler because
5072        // that might cause it to become reordered with respect to what
5073        // may happen in a future call to goToSleep.
5074        synchronized (mLock) {
5075            mAwake = true;
5076            mKeyguardDrawComplete = false;
5077            if (mKeyguardDelegate != null) {
5078                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
5079                mHandler.sendEmptyMessageDelayed(MSG_KEYGUARD_DRAWN_TIMEOUT, 1000);
5080            }
5081
5082            updateWakeGestureListenerLp();
5083            updateOrientationListenerLp();
5084            updateLockScreenTimeout();
5085        }
5086
5087        if (mKeyguardDelegate != null) {
5088            mKeyguardDelegate.onScreenTurnedOn(mKeyguardDelegateCallback);
5089            // ... eventually calls finishKeyguardDrawn
5090        } else {
5091            if (DEBUG_WAKEUP) Slog.d(TAG, "null mKeyguardDelegate: setting mKeyguardDrawComplete.");
5092            finishKeyguardDrawn();
5093        }
5094    }
5095
5096    private void finishKeyguardDrawn() {
5097        synchronized (mLock) {
5098            if (!mAwake || mKeyguardDrawComplete) {
5099                return; // spurious
5100            }
5101
5102            mKeyguardDrawComplete = true;
5103            if (mKeyguardDelegate != null) {
5104                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
5105            }
5106        }
5107
5108        finishScreenTurningOn();
5109    }
5110
5111    // Called on the DisplayManager's DisplayPowerController thread.
5112    @Override
5113    public void screenTurnedOff() {
5114        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turned off...");
5115
5116        synchronized (mLock) {
5117            mScreenOnEarly = false;
5118            mScreenOnFully = false;
5119            mWindowManagerDrawComplete = false;
5120            mScreenOnListener = null;
5121            updateOrientationListenerLp();
5122        }
5123    }
5124
5125    // Called on the DisplayManager's DisplayPowerController thread.
5126    @Override
5127    public void screenTurningOn(final ScreenOnListener screenOnListener) {
5128        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turning on...");
5129
5130        synchronized (mLock) {
5131            mScreenOnEarly = true;
5132            mScreenOnFully = false;
5133            mWindowManagerDrawComplete = false;
5134            mScreenOnListener = screenOnListener;
5135            updateOrientationListenerLp();
5136        }
5137
5138        mWindowManagerInternal.waitForAllWindowsDrawn(mWindowManagerDrawCallback,
5139                WAITING_FOR_DRAWN_TIMEOUT);
5140        // ... eventually calls finishWindowsDrawn
5141    }
5142
5143    private void finishWindowsDrawn() {
5144        synchronized (mLock) {
5145            if (!mScreenOnEarly || mWindowManagerDrawComplete) {
5146                return; // spurious
5147            }
5148
5149            mWindowManagerDrawComplete = true;
5150        }
5151
5152        finishScreenTurningOn();
5153    }
5154
5155    private void finishScreenTurningOn() {
5156        final ScreenOnListener listener;
5157        final boolean enableScreen;
5158        synchronized (mLock) {
5159            if (DEBUG_WAKEUP) Slog.d(TAG,
5160                    "finishScreenTurningOn: mAwake=" + mAwake
5161                            + ", mScreenOnEarly=" + mScreenOnEarly
5162                            + ", mScreenOnFully=" + mScreenOnFully
5163                            + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
5164                            + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
5165
5166            if (mScreenOnFully || !mScreenOnEarly || !mWindowManagerDrawComplete
5167                    || (mAwake && !mKeyguardDrawComplete)) {
5168                return; // spurious or not ready yet
5169            }
5170
5171            if (DEBUG_WAKEUP) Slog.i(TAG, "Finished screen turning on...");
5172            listener = mScreenOnListener;
5173            mScreenOnListener = null;
5174            mScreenOnFully = true;
5175
5176            // Remember the first time we draw the keyguard so we know when we're done with
5177            // the main part of booting and can enable the screen and hide boot messages.
5178            if (!mKeyguardDrawnOnce && mAwake) {
5179                mKeyguardDrawnOnce = true;
5180                enableScreen = true;
5181                if (mBootMessageNeedsHiding) {
5182                    mBootMessageNeedsHiding = false;
5183                    hideBootMessages();
5184                }
5185            } else {
5186                enableScreen = false;
5187            }
5188        }
5189
5190        if (listener != null) {
5191            listener.onScreenOn();
5192        }
5193
5194        if (enableScreen) {
5195            try {
5196                mWindowManager.enableScreenIfNeeded();
5197            } catch (RemoteException unhandled) {
5198            }
5199        }
5200    }
5201
5202    private void handleHideBootMessage() {
5203        synchronized (mLock) {
5204            if (!mKeyguardDrawnOnce) {
5205                mBootMessageNeedsHiding = true;
5206                return; // keyguard hasn't drawn the first time yet, not done booting
5207            }
5208        }
5209
5210        if (mBootMsgDialog != null) {
5211            if (DEBUG_WAKEUP) Slog.d(TAG, "handleHideBootMessage: dismissing");
5212            mBootMsgDialog.dismiss();
5213            mBootMsgDialog = null;
5214        }
5215    }
5216
5217    @Override
5218    public boolean isScreenOn() {
5219        return mScreenOnFully;
5220    }
5221
5222    /** {@inheritDoc} */
5223    @Override
5224    public void enableKeyguard(boolean enabled) {
5225        if (mKeyguardDelegate != null) {
5226            mKeyguardDelegate.setKeyguardEnabled(enabled);
5227        }
5228    }
5229
5230    /** {@inheritDoc} */
5231    @Override
5232    public void exitKeyguardSecurely(OnKeyguardExitResult callback) {
5233        if (mKeyguardDelegate != null) {
5234            mKeyguardDelegate.verifyUnlock(callback);
5235        }
5236    }
5237
5238    private boolean isKeyguardShowingAndNotOccluded() {
5239        if (mKeyguardDelegate == null) return false;
5240        return mKeyguardDelegate.isShowing() && !mKeyguardOccluded;
5241    }
5242
5243    /** {@inheritDoc} */
5244    @Override
5245    public boolean isKeyguardLocked() {
5246        return keyguardOn();
5247    }
5248
5249    /** {@inheritDoc} */
5250    @Override
5251    public boolean isKeyguardSecure() {
5252        if (mKeyguardDelegate == null) return false;
5253        return mKeyguardDelegate.isSecure();
5254    }
5255
5256    /** {@inheritDoc} */
5257    @Override
5258    public boolean inKeyguardRestrictedKeyInputMode() {
5259        if (mKeyguardDelegate == null) return false;
5260        return mKeyguardDelegate.isInputRestricted();
5261    }
5262
5263    @Override
5264    public void dismissKeyguardLw() {
5265        if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
5266            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.dismissKeyguardLw");
5267            mHandler.post(new Runnable() {
5268                @Override
5269                public void run() {
5270                    // ask the keyguard to prompt the user to authenticate if necessary
5271                    mKeyguardDelegate.dismiss();
5272                }
5273            });
5274        }
5275    }
5276
5277    public void notifyActivityDrawnForKeyguardLw() {
5278        if (mKeyguardDelegate != null) {
5279            mHandler.post(new Runnable() {
5280                @Override
5281                public void run() {
5282                    mKeyguardDelegate.onActivityDrawn();
5283                }
5284            });
5285        }
5286    }
5287
5288    @Override
5289    public boolean isKeyguardDrawnLw() {
5290        synchronized (mLock) {
5291            return mKeyguardDrawnOnce;
5292        }
5293    }
5294
5295    @Override
5296    public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
5297        if (mKeyguardDelegate != null) {
5298            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.startKeyguardExitAnimation");
5299            mKeyguardDelegate.startKeyguardExitAnimation(startTime, fadeoutDuration);
5300        }
5301    }
5302
5303    void sendCloseSystemWindows() {
5304        PhoneWindow.sendCloseSystemWindows(mContext, null);
5305    }
5306
5307    void sendCloseSystemWindows(String reason) {
5308        PhoneWindow.sendCloseSystemWindows(mContext, reason);
5309    }
5310
5311    @Override
5312    public int rotationForOrientationLw(int orientation, int lastRotation) {
5313        if (false) {
5314            Slog.v(TAG, "rotationForOrientationLw(orient="
5315                        + orientation + ", last=" + lastRotation
5316                        + "); user=" + mUserRotation + " "
5317                        + ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED)
5318                            ? "USER_ROTATION_LOCKED" : "")
5319                        );
5320        }
5321
5322        if (mForceDefaultOrientation) {
5323            return Surface.ROTATION_0;
5324        }
5325
5326        synchronized (mLock) {
5327            int sensorRotation = mOrientationListener.getProposedRotation(); // may be -1
5328            if (sensorRotation < 0) {
5329                sensorRotation = lastRotation;
5330            }
5331
5332            final int preferredRotation;
5333            if (mLidState == LID_OPEN && mLidOpenRotation >= 0) {
5334                // Ignore sensor when lid switch is open and rotation is forced.
5335                preferredRotation = mLidOpenRotation;
5336            } else if (mDockMode == Intent.EXTRA_DOCK_STATE_CAR
5337                    && (mCarDockEnablesAccelerometer || mCarDockRotation >= 0)) {
5338                // Ignore sensor when in car dock unless explicitly enabled.
5339                // This case can override the behavior of NOSENSOR, and can also
5340                // enable 180 degree rotation while docked.
5341                preferredRotation = mCarDockEnablesAccelerometer
5342                        ? sensorRotation : mCarDockRotation;
5343            } else if ((mDockMode == Intent.EXTRA_DOCK_STATE_DESK
5344                    || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
5345                    || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK)
5346                    && (mDeskDockEnablesAccelerometer || mDeskDockRotation >= 0)) {
5347                // Ignore sensor when in desk dock unless explicitly enabled.
5348                // This case can override the behavior of NOSENSOR, and can also
5349                // enable 180 degree rotation while docked.
5350                preferredRotation = mDeskDockEnablesAccelerometer
5351                        ? sensorRotation : mDeskDockRotation;
5352            } else if (mHdmiPlugged && mDemoHdmiRotationLock) {
5353                // Ignore sensor when plugged into HDMI when demo HDMI rotation lock enabled.
5354                // Note that the dock orientation overrides the HDMI orientation.
5355                preferredRotation = mDemoHdmiRotation;
5356            } else if (mHdmiPlugged && mDockMode == Intent.EXTRA_DOCK_STATE_UNDOCKED
5357                    && mUndockedHdmiRotation >= 0) {
5358                // Ignore sensor when plugged into HDMI and an undocked orientation has
5359                // been specified in the configuration (only for legacy devices without
5360                // full multi-display support).
5361                // Note that the dock orientation overrides the HDMI orientation.
5362                preferredRotation = mUndockedHdmiRotation;
5363            } else if (mDemoRotationLock) {
5364                // Ignore sensor when demo rotation lock is enabled.
5365                // Note that the dock orientation and HDMI rotation lock override this.
5366                preferredRotation = mDemoRotation;
5367            } else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {
5368                // Application just wants to remain locked in the last rotation.
5369                preferredRotation = lastRotation;
5370            } else if (!mSupportAutoRotation) {
5371                // If we don't support auto-rotation then bail out here and ignore
5372                // the sensor and any rotation lock settings.
5373                preferredRotation = -1;
5374            } else if ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE
5375                            && (orientation == ActivityInfo.SCREEN_ORIENTATION_USER
5376                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
5377                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
5378                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT
5379                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER))
5380                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
5381                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
5382                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE
5383                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) {
5384                // Otherwise, use sensor only if requested by the application or enabled
5385                // by default for USER or UNSPECIFIED modes.  Does not apply to NOSENSOR.
5386                if (mAllowAllRotations < 0) {
5387                    // Can't read this during init() because the context doesn't
5388                    // have display metrics at that time so we cannot determine
5389                    // tablet vs. phone then.
5390                    mAllowAllRotations = mContext.getResources().getBoolean(
5391                            com.android.internal.R.bool.config_allowAllRotations) ? 1 : 0;
5392                }
5393                if (sensorRotation != Surface.ROTATION_180
5394                        || mAllowAllRotations == 1
5395                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
5396                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER) {
5397                    preferredRotation = sensorRotation;
5398                } else {
5399                    preferredRotation = lastRotation;
5400                }
5401            } else if (mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED
5402                    && orientation != ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
5403                // Apply rotation lock.  Does not apply to NOSENSOR.
5404                // The idea is that the user rotation expresses a weak preference for the direction
5405                // of gravity and as NOSENSOR is never affected by gravity, then neither should
5406                // NOSENSOR be affected by rotation lock (although it will be affected by docks).
5407                preferredRotation = mUserRotation;
5408            } else {
5409                // No overriding preference.
5410                // We will do exactly what the application asked us to do.
5411                preferredRotation = -1;
5412            }
5413
5414            switch (orientation) {
5415                case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
5416                    // Return portrait unless overridden.
5417                    if (isAnyPortrait(preferredRotation)) {
5418                        return preferredRotation;
5419                    }
5420                    return mPortraitRotation;
5421
5422                case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
5423                    // Return landscape unless overridden.
5424                    if (isLandscapeOrSeascape(preferredRotation)) {
5425                        return preferredRotation;
5426                    }
5427                    return mLandscapeRotation;
5428
5429                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
5430                    // Return reverse portrait unless overridden.
5431                    if (isAnyPortrait(preferredRotation)) {
5432                        return preferredRotation;
5433                    }
5434                    return mUpsideDownRotation;
5435
5436                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
5437                    // Return seascape unless overridden.
5438                    if (isLandscapeOrSeascape(preferredRotation)) {
5439                        return preferredRotation;
5440                    }
5441                    return mSeascapeRotation;
5442
5443                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
5444                case ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE:
5445                    // Return either landscape rotation.
5446                    if (isLandscapeOrSeascape(preferredRotation)) {
5447                        return preferredRotation;
5448                    }
5449                    if (isLandscapeOrSeascape(lastRotation)) {
5450                        return lastRotation;
5451                    }
5452                    return mLandscapeRotation;
5453
5454                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
5455                case ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT:
5456                    // Return either portrait rotation.
5457                    if (isAnyPortrait(preferredRotation)) {
5458                        return preferredRotation;
5459                    }
5460                    if (isAnyPortrait(lastRotation)) {
5461                        return lastRotation;
5462                    }
5463                    return mPortraitRotation;
5464
5465                default:
5466                    // For USER, UNSPECIFIED, NOSENSOR, SENSOR and FULL_SENSOR,
5467                    // just return the preferred orientation we already calculated.
5468                    if (preferredRotation >= 0) {
5469                        return preferredRotation;
5470                    }
5471                    return Surface.ROTATION_0;
5472            }
5473        }
5474    }
5475
5476    @Override
5477    public boolean rotationHasCompatibleMetricsLw(int orientation, int rotation) {
5478        switch (orientation) {
5479            case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
5480            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
5481            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
5482                return isAnyPortrait(rotation);
5483
5484            case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
5485            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
5486            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
5487                return isLandscapeOrSeascape(rotation);
5488
5489            default:
5490                return true;
5491        }
5492    }
5493
5494    @Override
5495    public void setRotationLw(int rotation) {
5496        mOrientationListener.setCurrentRotation(rotation);
5497    }
5498
5499    private boolean isLandscapeOrSeascape(int rotation) {
5500        return rotation == mLandscapeRotation || rotation == mSeascapeRotation;
5501    }
5502
5503    private boolean isAnyPortrait(int rotation) {
5504        return rotation == mPortraitRotation || rotation == mUpsideDownRotation;
5505    }
5506
5507    @Override
5508    public int getUserRotationMode() {
5509        return Settings.System.getIntForUser(mContext.getContentResolver(),
5510                Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
5511                        WindowManagerPolicy.USER_ROTATION_FREE :
5512                                WindowManagerPolicy.USER_ROTATION_LOCKED;
5513    }
5514
5515    // User rotation: to be used when all else fails in assigning an orientation to the device
5516    @Override
5517    public void setUserRotationMode(int mode, int rot) {
5518        ContentResolver res = mContext.getContentResolver();
5519
5520        // mUserRotationMode and mUserRotation will be assigned by the content observer
5521        if (mode == WindowManagerPolicy.USER_ROTATION_LOCKED) {
5522            Settings.System.putIntForUser(res,
5523                    Settings.System.USER_ROTATION,
5524                    rot,
5525                    UserHandle.USER_CURRENT);
5526            Settings.System.putIntForUser(res,
5527                    Settings.System.ACCELEROMETER_ROTATION,
5528                    0,
5529                    UserHandle.USER_CURRENT);
5530        } else {
5531            Settings.System.putIntForUser(res,
5532                    Settings.System.ACCELEROMETER_ROTATION,
5533                    1,
5534                    UserHandle.USER_CURRENT);
5535        }
5536    }
5537
5538    @Override
5539    public void setSafeMode(boolean safeMode) {
5540        mSafeMode = safeMode;
5541        performHapticFeedbackLw(null, safeMode
5542                ? HapticFeedbackConstants.SAFE_MODE_ENABLED
5543                : HapticFeedbackConstants.SAFE_MODE_DISABLED, true);
5544    }
5545
5546    static long[] getLongIntArray(Resources r, int resid) {
5547        int[] ar = r.getIntArray(resid);
5548        if (ar == null) {
5549            return null;
5550        }
5551        long[] out = new long[ar.length];
5552        for (int i=0; i<ar.length; i++) {
5553            out[i] = ar[i];
5554        }
5555        return out;
5556    }
5557
5558    /** {@inheritDoc} */
5559    @Override
5560    public void systemReady() {
5561        mKeyguardDelegate = new KeyguardServiceDelegate(mContext);
5562        mKeyguardDelegate.onSystemReady();
5563
5564        readCameraLensCoverState();
5565        updateUiMode();
5566        synchronized (mLock) {
5567            updateOrientationListenerLp();
5568            mSystemReady = true;
5569            mHandler.post(new Runnable() {
5570                @Override
5571                public void run() {
5572                    updateSettings();
5573                }
5574            });
5575        }
5576    }
5577
5578    /** {@inheritDoc} */
5579    @Override
5580    public void systemBooted() {
5581        if (mKeyguardDelegate != null) {
5582            mKeyguardDelegate.bindService(mContext);
5583            mKeyguardDelegate.onBootCompleted();
5584        }
5585        synchronized (mLock) {
5586            mSystemBooted = true;
5587        }
5588        wakingUp();
5589        screenTurningOn(null);
5590    }
5591
5592    ProgressDialog mBootMsgDialog = null;
5593
5594    /** {@inheritDoc} */
5595    @Override
5596    public void showBootMessage(final CharSequence msg, final boolean always) {
5597        mHandler.post(new Runnable() {
5598            @Override public void run() {
5599                if (mBootMsgDialog == null) {
5600                    int theme;
5601                    if (mContext.getPackageManager().hasSystemFeature(
5602                            PackageManager.FEATURE_WATCH)) {
5603                        theme = com.android.internal.R.style.Theme_Micro_Dialog_Alert;
5604                    } else if (mContext.getPackageManager().hasSystemFeature(
5605                            PackageManager.FEATURE_TELEVISION)) {
5606                        theme = com.android.internal.R.style.Theme_Leanback_Dialog_Alert;
5607                    } else {
5608                        theme = 0;
5609                    }
5610
5611                    mBootMsgDialog = new ProgressDialog(mContext, theme) {
5612                        // This dialog will consume all events coming in to
5613                        // it, to avoid it trying to do things too early in boot.
5614                        @Override public boolean dispatchKeyEvent(KeyEvent event) {
5615                            return true;
5616                        }
5617                        @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
5618                            return true;
5619                        }
5620                        @Override public boolean dispatchTouchEvent(MotionEvent ev) {
5621                            return true;
5622                        }
5623                        @Override public boolean dispatchTrackballEvent(MotionEvent ev) {
5624                            return true;
5625                        }
5626                        @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) {
5627                            return true;
5628                        }
5629                        @Override public boolean dispatchPopulateAccessibilityEvent(
5630                                AccessibilityEvent event) {
5631                            return true;
5632                        }
5633                    };
5634                    if (mContext.getPackageManager().isUpgrade()) {
5635                        mBootMsgDialog.setTitle(R.string.android_upgrading_title);
5636                    } else {
5637                        mBootMsgDialog.setTitle(R.string.android_start_title);
5638                    }
5639                    mBootMsgDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
5640                    mBootMsgDialog.setIndeterminate(true);
5641                    mBootMsgDialog.getWindow().setType(
5642                            WindowManager.LayoutParams.TYPE_BOOT_PROGRESS);
5643                    mBootMsgDialog.getWindow().addFlags(
5644                            WindowManager.LayoutParams.FLAG_DIM_BEHIND
5645                            | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
5646                    mBootMsgDialog.getWindow().setDimAmount(1);
5647                    WindowManager.LayoutParams lp = mBootMsgDialog.getWindow().getAttributes();
5648                    lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
5649                    mBootMsgDialog.getWindow().setAttributes(lp);
5650                    mBootMsgDialog.setCancelable(false);
5651                    mBootMsgDialog.show();
5652                }
5653                mBootMsgDialog.setMessage(msg);
5654            }
5655        });
5656    }
5657
5658    /** {@inheritDoc} */
5659    @Override
5660    public void hideBootMessages() {
5661        mHandler.sendEmptyMessage(MSG_HIDE_BOOT_MESSAGE);
5662    }
5663
5664    /** {@inheritDoc} */
5665    @Override
5666    public void userActivity() {
5667        // ***************************************
5668        // NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
5669        // ***************************************
5670        // THIS IS CALLED FROM DEEP IN THE POWER MANAGER
5671        // WITH ITS LOCKS HELD.
5672        //
5673        // This code must be VERY careful about the locks
5674        // it acquires.
5675        // In fact, the current code acquires way too many,
5676        // and probably has lurking deadlocks.
5677
5678        synchronized (mScreenLockTimeout) {
5679            if (mLockScreenTimerActive) {
5680                // reset the timer
5681                mHandler.removeCallbacks(mScreenLockTimeout);
5682                mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
5683            }
5684        }
5685    }
5686
5687    class ScreenLockTimeout implements Runnable {
5688        Bundle options;
5689
5690        @Override
5691        public void run() {
5692            synchronized (this) {
5693                if (localLOGV) Log.v(TAG, "mScreenLockTimeout activating keyguard");
5694                if (mKeyguardDelegate != null) {
5695                    mKeyguardDelegate.doKeyguardTimeout(options);
5696                }
5697                mLockScreenTimerActive = false;
5698                options = null;
5699            }
5700        }
5701
5702        public void setLockOptions(Bundle options) {
5703            this.options = options;
5704        }
5705    }
5706
5707    ScreenLockTimeout mScreenLockTimeout = new ScreenLockTimeout();
5708
5709    @Override
5710    public void lockNow(Bundle options) {
5711        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);
5712        mHandler.removeCallbacks(mScreenLockTimeout);
5713        if (options != null) {
5714            // In case multiple calls are made to lockNow, we don't wipe out the options
5715            // until the runnable actually executes.
5716            mScreenLockTimeout.setLockOptions(options);
5717        }
5718        mHandler.post(mScreenLockTimeout);
5719    }
5720
5721    private void updateLockScreenTimeout() {
5722        synchronized (mScreenLockTimeout) {
5723            boolean enable = (mAllowLockscreenWhenOn && mAwake &&
5724                    mKeyguardDelegate != null && mKeyguardDelegate.isSecure());
5725            if (mLockScreenTimerActive != enable) {
5726                if (enable) {
5727                    if (localLOGV) Log.v(TAG, "setting lockscreen timer");
5728                    mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
5729                } else {
5730                    if (localLOGV) Log.v(TAG, "clearing lockscreen timer");
5731                    mHandler.removeCallbacks(mScreenLockTimeout);
5732                }
5733                mLockScreenTimerActive = enable;
5734            }
5735        }
5736    }
5737
5738    /** {@inheritDoc} */
5739    @Override
5740    public void enableScreenAfterBoot() {
5741        readLidState();
5742        applyLidSwitchState();
5743        updateRotation(true);
5744    }
5745
5746    private void applyLidSwitchState() {
5747        if (mLidState == LID_CLOSED && mLidControlsSleep) {
5748            mPowerManager.goToSleep(SystemClock.uptimeMillis(),
5749                    PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH,
5750                    PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
5751        }
5752
5753        synchronized (mLock) {
5754            updateWakeGestureListenerLp();
5755        }
5756    }
5757
5758    void updateUiMode() {
5759        if (mUiModeManager == null) {
5760            mUiModeManager = IUiModeManager.Stub.asInterface(
5761                    ServiceManager.getService(Context.UI_MODE_SERVICE));
5762        }
5763        try {
5764            mUiMode = mUiModeManager.getCurrentModeType();
5765        } catch (RemoteException e) {
5766        }
5767    }
5768
5769    void updateRotation(boolean alwaysSendConfiguration) {
5770        try {
5771            //set orientation on WindowManager
5772            mWindowManager.updateRotation(alwaysSendConfiguration, false);
5773        } catch (RemoteException e) {
5774            // Ignore
5775        }
5776    }
5777
5778    void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
5779        try {
5780            //set orientation on WindowManager
5781            mWindowManager.updateRotation(alwaysSendConfiguration, forceRelayout);
5782        } catch (RemoteException e) {
5783            // Ignore
5784        }
5785    }
5786
5787    /**
5788     * Return an Intent to launch the currently active dock app as home.  Returns
5789     * null if the standard home should be launched, which is the case if any of the following is
5790     * true:
5791     * <ul>
5792     *  <li>The device is not in either car mode or desk mode
5793     *  <li>The device is in car mode but ENABLE_CAR_DOCK_HOME_CAPTURE is false
5794     *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
5795     *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
5796     *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
5797     * </ul>
5798     * @return A dock intent.
5799     */
5800    Intent createHomeDockIntent() {
5801        Intent intent = null;
5802
5803        // What home does is based on the mode, not the dock state.  That
5804        // is, when in car mode you should be taken to car home regardless
5805        // of whether we are actually in a car dock.
5806        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
5807            if (ENABLE_CAR_DOCK_HOME_CAPTURE) {
5808                intent = mCarDockIntent;
5809            }
5810        } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
5811            if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
5812                intent = mDeskDockIntent;
5813            }
5814        } else if (mUiMode == Configuration.UI_MODE_TYPE_WATCH
5815                && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
5816                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK
5817                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK)) {
5818            // Always launch dock home from home when watch is docked, if it exists.
5819            intent = mDeskDockIntent;
5820        }
5821
5822        if (intent == null) {
5823            return null;
5824        }
5825
5826        ActivityInfo ai = null;
5827        ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(
5828                intent,
5829                PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_META_DATA,
5830                mCurrentUserId);
5831        if (info != null) {
5832            ai = info.activityInfo;
5833        }
5834        if (ai != null
5835                && ai.metaData != null
5836                && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
5837            intent = new Intent(intent);
5838            intent.setClassName(ai.packageName, ai.name);
5839            return intent;
5840        }
5841
5842        return null;
5843    }
5844
5845    void startDockOrHome(boolean fromHomeKey) {
5846        awakenDreams();
5847
5848        Intent dock = createHomeDockIntent();
5849        if (dock != null) {
5850            try {
5851                if (fromHomeKey) {
5852                    dock.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
5853                }
5854                mContext.startActivityAsUser(dock, UserHandle.CURRENT);
5855                return;
5856            } catch (ActivityNotFoundException e) {
5857            }
5858        }
5859
5860        Intent intent;
5861
5862        if (fromHomeKey) {
5863            intent = new Intent(mHomeIntent);
5864            intent.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
5865        } else {
5866            intent = mHomeIntent;
5867        }
5868
5869        mContext.startActivityAsUser(intent, UserHandle.CURRENT);
5870    }
5871
5872    /**
5873     * goes to the home screen
5874     * @return whether it did anything
5875     */
5876    boolean goHome() {
5877        if (false) {
5878            // This code always brings home to the front.
5879            try {
5880                ActivityManagerNative.getDefault().stopAppSwitches();
5881            } catch (RemoteException e) {
5882            }
5883            sendCloseSystemWindows();
5884            startDockOrHome(false /*fromHomeKey*/);
5885        } else {
5886            // This code brings home to the front or, if it is already
5887            // at the front, puts the device to sleep.
5888            try {
5889                if (SystemProperties.getInt("persist.sys.uts-test-mode", 0) == 1) {
5890                    /// Roll back EndcallBehavior as the cupcake design to pass P1 lab entry.
5891                    Log.d(TAG, "UTS-TEST-MODE");
5892                } else {
5893                    ActivityManagerNative.getDefault().stopAppSwitches();
5894                    sendCloseSystemWindows();
5895                    Intent dock = createHomeDockIntent();
5896                    if (dock != null) {
5897                        int result = ActivityManagerNative.getDefault()
5898                                .startActivityAsUser(null, null, dock,
5899                                        dock.resolveTypeIfNeeded(mContext.getContentResolver()),
5900                                        null, null, 0,
5901                                        ActivityManager.START_FLAG_ONLY_IF_NEEDED,
5902                                        null, null, UserHandle.USER_CURRENT);
5903                        if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
5904                            return false;
5905                        }
5906                    }
5907                }
5908                int result = ActivityManagerNative.getDefault()
5909                        .startActivityAsUser(null, null, mHomeIntent,
5910                                mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
5911                                null, null, 0,
5912                                ActivityManager.START_FLAG_ONLY_IF_NEEDED,
5913                                null, null, UserHandle.USER_CURRENT);
5914                if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
5915                    return false;
5916                }
5917            } catch (RemoteException ex) {
5918                // bummer, the activity manager, which is in this process, is dead
5919            }
5920        }
5921        return true;
5922    }
5923
5924    @Override
5925    public void setCurrentOrientationLw(int newOrientation) {
5926        synchronized (mLock) {
5927            if (newOrientation != mCurrentAppOrientation) {
5928                mCurrentAppOrientation = newOrientation;
5929                updateOrientationListenerLp();
5930            }
5931        }
5932    }
5933
5934    private void performAuditoryFeedbackForAccessibilityIfNeed() {
5935        if (!isGlobalAccessibilityGestureEnabled()) {
5936            return;
5937        }
5938        AudioManager audioManager = (AudioManager) mContext.getSystemService(
5939                Context.AUDIO_SERVICE);
5940        if (audioManager.isSilentMode()) {
5941            return;
5942        }
5943        Ringtone ringTone = RingtoneManager.getRingtone(mContext,
5944                Settings.System.DEFAULT_NOTIFICATION_URI);
5945        ringTone.setStreamType(AudioManager.STREAM_MUSIC);
5946        ringTone.play();
5947    }
5948
5949    private boolean isTheaterModeEnabled() {
5950        return Settings.Global.getInt(mContext.getContentResolver(),
5951                Settings.Global.THEATER_MODE_ON, 0) == 1;
5952    }
5953
5954    private boolean isGlobalAccessibilityGestureEnabled() {
5955        return Settings.Global.getInt(mContext.getContentResolver(),
5956                Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED, 0) == 1;
5957    }
5958
5959    @Override
5960    public boolean performHapticFeedbackLw(WindowState win, int effectId, boolean always) {
5961        if (!mVibrator.hasVibrator()) {
5962            return false;
5963        }
5964        final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(),
5965                Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0;
5966        if (hapticsDisabled && !always) {
5967            return false;
5968        }
5969        long[] pattern = null;
5970        switch (effectId) {
5971            case HapticFeedbackConstants.LONG_PRESS:
5972                pattern = mLongPressVibePattern;
5973                break;
5974            case HapticFeedbackConstants.VIRTUAL_KEY:
5975                pattern = mVirtualKeyVibePattern;
5976                break;
5977            case HapticFeedbackConstants.KEYBOARD_TAP:
5978                pattern = mKeyboardTapVibePattern;
5979                break;
5980            case HapticFeedbackConstants.CLOCK_TICK:
5981                pattern = mClockTickVibePattern;
5982                break;
5983            case HapticFeedbackConstants.CALENDAR_DATE:
5984                pattern = mCalendarDateVibePattern;
5985                break;
5986            case HapticFeedbackConstants.SAFE_MODE_DISABLED:
5987                pattern = mSafeModeDisabledVibePattern;
5988                break;
5989            case HapticFeedbackConstants.SAFE_MODE_ENABLED:
5990                pattern = mSafeModeEnabledVibePattern;
5991                break;
5992            default:
5993                return false;
5994        }
5995        int owningUid;
5996        String owningPackage;
5997        if (win != null) {
5998            owningUid = win.getOwningUid();
5999            owningPackage = win.getOwningPackage();
6000        } else {
6001            owningUid = android.os.Process.myUid();
6002            owningPackage = mContext.getOpPackageName();
6003        }
6004        if (pattern.length == 1) {
6005            // One-shot vibration
6006            mVibrator.vibrate(owningUid, owningPackage, pattern[0], VIBRATION_ATTRIBUTES);
6007        } else {
6008            // Pattern vibration
6009            mVibrator.vibrate(owningUid, owningPackage, pattern, -1, VIBRATION_ATTRIBUTES);
6010        }
6011        return true;
6012    }
6013
6014    @Override
6015    public void keepScreenOnStartedLw() {
6016    }
6017
6018    @Override
6019    public void keepScreenOnStoppedLw() {
6020        if (isKeyguardShowingAndNotOccluded()) {
6021            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
6022        }
6023    }
6024
6025    private int updateSystemUiVisibilityLw() {
6026        // If there is no window focused, there will be nobody to handle the events
6027        // anyway, so just hang on in whatever state we're in until things settle down.
6028        final WindowState win = mFocusedWindow != null ? mFocusedWindow
6029                : mTopFullscreenOpaqueWindowState;
6030        if (win == null) {
6031            return 0;
6032        }
6033        if ((win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 && mHideLockScreen == true) {
6034            // We are updating at a point where the keyguard has gotten
6035            // focus, but we were last in a state where the top window is
6036            // hiding it.  This is probably because the keyguard as been
6037            // shown while the top window was displayed, so we want to ignore
6038            // it here because this is just a very transient change and it
6039            // will quickly lose focus once it correctly gets hidden.
6040            return 0;
6041        }
6042
6043        int tmpVisibility = PolicyControl.getSystemUiVisibility(win, null)
6044                & ~mResettingSystemUiFlags
6045                & ~mForceClearedSystemUiFlags;
6046        if (mForcingShowNavBar && win.getSurfaceLayer() < mForcingShowNavBarLayer) {
6047            tmpVisibility &= ~PolicyControl.adjustClearableFlags(win, View.SYSTEM_UI_CLEARABLE_FLAGS);
6048        }
6049        tmpVisibility = updateLightStatusBarLw(tmpVisibility);
6050        final int visibility = updateSystemBarsLw(win, mLastSystemUiFlags, tmpVisibility);
6051        final int diff = visibility ^ mLastSystemUiFlags;
6052        final boolean needsMenu = win.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
6053        if (diff == 0 && mLastFocusNeedsMenu == needsMenu
6054                && mFocusedApp == win.getAppToken()) {
6055            return 0;
6056        }
6057        mLastSystemUiFlags = visibility;
6058        mLastFocusNeedsMenu = needsMenu;
6059        mFocusedApp = win.getAppToken();
6060        mHandler.post(new Runnable() {
6061                @Override
6062                public void run() {
6063                    try {
6064                        IStatusBarService statusbar = getStatusBarService();
6065                        if (statusbar != null) {
6066                            statusbar.setSystemUiVisibility(visibility, 0xffffffff, win.toString());
6067                            statusbar.topAppWindowChanged(needsMenu);
6068                        }
6069                    } catch (RemoteException e) {
6070                        // re-acquire status bar service next time it is needed.
6071                        mStatusBarService = null;
6072                    }
6073                }
6074            });
6075        return diff;
6076    }
6077
6078    private int updateLightStatusBarLw(int vis) {
6079        WindowState statusColorWin = isStatusBarKeyguard() && !mHideLockScreen
6080                ? mStatusBar
6081                : mTopFullscreenOpaqueOrDimmingWindowState;
6082
6083        if (statusColorWin != null) {
6084            if (statusColorWin == mTopFullscreenOpaqueWindowState) {
6085                // If the top fullscreen-or-dimming window is also the top fullscreen, respect
6086                // its light flag.
6087                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6088                vis |= PolicyControl.getSystemUiVisibility(statusColorWin, null)
6089                        & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6090            } else if (statusColorWin != null && statusColorWin.isDimming()) {
6091                // Otherwise if it's dimming, clear the light flag.
6092                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6093            }
6094        }
6095        return vis;
6096    }
6097
6098    private int updateSystemBarsLw(WindowState win, int oldVis, int vis) {
6099        // apply translucent bar vis flags
6100        WindowState transWin = isStatusBarKeyguard() && !mHideLockScreen
6101                ? mStatusBar
6102                : mTopFullscreenOpaqueWindowState;
6103        vis = mStatusBarController.applyTranslucentFlagLw(transWin, vis, oldVis);
6104        vis = mNavigationBarController.applyTranslucentFlagLw(transWin, vis, oldVis);
6105
6106        // prevent status bar interaction from clearing certain flags
6107        boolean statusBarHasFocus = win.getAttrs().type == TYPE_STATUS_BAR;
6108        if (statusBarHasFocus && !isStatusBarKeyguard()) {
6109            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
6110                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
6111                    | View.SYSTEM_UI_FLAG_IMMERSIVE
6112                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
6113                    | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6114            if (mHideLockScreen) {
6115                flags |= View.STATUS_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSLUCENT;
6116            }
6117            vis = (vis & ~flags) | (oldVis & flags);
6118        }
6119
6120        if (!areTranslucentBarsAllowed() && transWin != mStatusBar) {
6121            vis &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSLUCENT
6122                    | View.SYSTEM_UI_TRANSPARENT);
6123        }
6124
6125        // update status bar
6126        boolean immersiveSticky =
6127                (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
6128        boolean hideStatusBarWM =
6129                mTopFullscreenOpaqueWindowState != null &&
6130                (PolicyControl.getWindowFlags(mTopFullscreenOpaqueWindowState, null)
6131                        & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0;
6132        boolean hideStatusBarSysui =
6133                (vis & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
6134        boolean hideNavBarSysui =
6135                (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0;
6136
6137        boolean transientStatusBarAllowed =
6138                mStatusBar != null && (
6139                hideStatusBarWM
6140                || (hideStatusBarSysui && immersiveSticky)
6141                || statusBarHasFocus);
6142
6143        boolean transientNavBarAllowed =
6144                mNavigationBar != null &&
6145                hideNavBarSysui && immersiveSticky;
6146
6147        boolean denyTransientStatus = mStatusBarController.isTransientShowRequested()
6148                && !transientStatusBarAllowed && hideStatusBarSysui;
6149        boolean denyTransientNav = mNavigationBarController.isTransientShowRequested()
6150                && !transientNavBarAllowed;
6151        if (denyTransientStatus || denyTransientNav) {
6152            // clear the clearable flags instead
6153            clearClearableFlagsLw();
6154            vis &= ~View.SYSTEM_UI_CLEARABLE_FLAGS;
6155        }
6156
6157        vis = mStatusBarController.updateVisibilityLw(transientStatusBarAllowed, oldVis, vis);
6158
6159        // update navigation bar
6160        boolean oldImmersiveMode = isImmersiveMode(oldVis);
6161        boolean newImmersiveMode = isImmersiveMode(vis);
6162        if (win != null && oldImmersiveMode != newImmersiveMode) {
6163            final String pkg = win.getOwningPackage();
6164            mImmersiveModeConfirmation.immersiveModeChanged(pkg, newImmersiveMode,
6165                    isUserSetupComplete());
6166        }
6167
6168        vis = mNavigationBarController.updateVisibilityLw(transientNavBarAllowed, oldVis, vis);
6169
6170        return vis;
6171    }
6172
6173    private void clearClearableFlagsLw() {
6174        int newVal = mResettingSystemUiFlags | View.SYSTEM_UI_CLEARABLE_FLAGS;
6175        if (newVal != mResettingSystemUiFlags) {
6176            mResettingSystemUiFlags = newVal;
6177            mWindowManagerFuncs.reevaluateStatusBarVisibility();
6178        }
6179    }
6180
6181    private boolean isImmersiveMode(int vis) {
6182        final int flags = View.SYSTEM_UI_FLAG_IMMERSIVE | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
6183        return mNavigationBar != null
6184                && (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
6185                && (vis & flags) != 0
6186                && canHideNavigationBar();
6187    }
6188
6189    /**
6190     * @return whether the navigation or status bar can be made translucent
6191     *
6192     * This should return true unless touch exploration is not enabled or
6193     * R.boolean.config_enableTranslucentDecor is false.
6194     */
6195    private boolean areTranslucentBarsAllowed() {
6196        return mTranslucentDecorEnabled
6197                && !mAccessibilityManager.isTouchExplorationEnabled();
6198    }
6199
6200    // Use this instead of checking config_showNavigationBar so that it can be consistently
6201    // overridden by qemu.hw.mainkeys in the emulator.
6202    @Override
6203    public boolean hasNavigationBar() {
6204        return mHasNavigationBar;
6205    }
6206
6207    @Override
6208    public void setLastInputMethodWindowLw(WindowState ime, WindowState target) {
6209        mLastInputMethodWindow = ime;
6210        mLastInputMethodTargetWindow = target;
6211    }
6212
6213    @Override
6214    public int getInputMethodWindowVisibleHeightLw() {
6215        return mDockBottom - mCurBottom;
6216    }
6217
6218    @Override
6219    public void setCurrentUserLw(int newUserId) {
6220        mCurrentUserId = newUserId;
6221        if (mKeyguardDelegate != null) {
6222            mKeyguardDelegate.setCurrentUser(newUserId);
6223        }
6224        if (mStatusBarService != null) {
6225            try {
6226                mStatusBarService.setCurrentUser(newUserId);
6227            } catch (RemoteException e) {
6228                // oh well
6229            }
6230        }
6231        setLastInputMethodWindowLw(null, null);
6232    }
6233
6234    @Override
6235    public boolean canMagnifyWindow(int windowType) {
6236        switch (windowType) {
6237            case WindowManager.LayoutParams.TYPE_INPUT_METHOD:
6238            case WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG:
6239            case WindowManager.LayoutParams.TYPE_NAVIGATION_BAR:
6240            case WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY: {
6241                return false;
6242            }
6243        }
6244        return true;
6245    }
6246
6247    @Override
6248    public boolean isTopLevelWindow(int windowType) {
6249        if (windowType >= WindowManager.LayoutParams.FIRST_SUB_WINDOW
6250                && windowType <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
6251            return (windowType == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG);
6252        }
6253        return true;
6254    }
6255
6256    @Override
6257    public void dump(String prefix, PrintWriter pw, String[] args) {
6258        pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
6259                pw.print(" mSystemReady="); pw.print(mSystemReady);
6260                pw.print(" mSystemBooted="); pw.println(mSystemBooted);
6261        pw.print(prefix); pw.print("mLidState="); pw.print(mLidState);
6262                pw.print(" mLidOpenRotation="); pw.print(mLidOpenRotation);
6263                pw.print(" mCameraLensCoverState="); pw.print(mCameraLensCoverState);
6264                pw.print(" mHdmiPlugged="); pw.println(mHdmiPlugged);
6265        if (mLastSystemUiFlags != 0 || mResettingSystemUiFlags != 0
6266                || mForceClearedSystemUiFlags != 0) {
6267            pw.print(prefix); pw.print("mLastSystemUiFlags=0x");
6268                    pw.print(Integer.toHexString(mLastSystemUiFlags));
6269                    pw.print(" mResettingSystemUiFlags=0x");
6270                    pw.print(Integer.toHexString(mResettingSystemUiFlags));
6271                    pw.print(" mForceClearedSystemUiFlags=0x");
6272                    pw.println(Integer.toHexString(mForceClearedSystemUiFlags));
6273        }
6274        if (mLastFocusNeedsMenu) {
6275            pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
6276                    pw.println(mLastFocusNeedsMenu);
6277        }
6278        pw.print(prefix); pw.print("mWakeGestureEnabledSetting=");
6279                pw.println(mWakeGestureEnabledSetting);
6280
6281        pw.print(prefix); pw.print("mSupportAutoRotation="); pw.println(mSupportAutoRotation);
6282        pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
6283                pw.print(" mDockMode="); pw.print(mDockMode);
6284                pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
6285                pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
6286        pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);
6287                pw.print(" mUserRotation="); pw.print(mUserRotation);
6288                pw.print(" mAllowAllRotations="); pw.println(mAllowAllRotations);
6289        pw.print(prefix); pw.print("mCurrentAppOrientation="); pw.println(mCurrentAppOrientation);
6290        pw.print(prefix); pw.print("mCarDockEnablesAccelerometer=");
6291                pw.print(mCarDockEnablesAccelerometer);
6292                pw.print(" mDeskDockEnablesAccelerometer=");
6293                pw.println(mDeskDockEnablesAccelerometer);
6294        pw.print(prefix); pw.print("mLidKeyboardAccessibility=");
6295                pw.print(mLidKeyboardAccessibility);
6296                pw.print(" mLidNavigationAccessibility="); pw.print(mLidNavigationAccessibility);
6297                pw.print(" mLidControlsSleep="); pw.println(mLidControlsSleep);
6298        pw.print(prefix);
6299                pw.print("mShortPressOnPowerBehavior="); pw.print(mShortPressOnPowerBehavior);
6300                pw.print(" mLongPressOnPowerBehavior="); pw.println(mLongPressOnPowerBehavior);
6301        pw.print(prefix);
6302                pw.print("mDoublePressOnPowerBehavior="); pw.print(mDoublePressOnPowerBehavior);
6303                pw.print(" mTriplePressOnPowerBehavior="); pw.println(mTriplePressOnPowerBehavior);
6304        pw.print(prefix); pw.print("mHasSoftInput="); pw.println(mHasSoftInput);
6305        pw.print(prefix); pw.print("mAwake="); pw.println(mAwake);
6306        pw.print(prefix); pw.print("mScreenOnEarly="); pw.print(mScreenOnEarly);
6307                pw.print(" mScreenOnFully="); pw.println(mScreenOnFully);
6308        pw.print(prefix); pw.print("mKeyguardDrawComplete="); pw.print(mKeyguardDrawComplete);
6309                pw.print(" mWindowManagerDrawComplete="); pw.println(mWindowManagerDrawComplete);
6310        pw.print(prefix); pw.print("mOrientationSensorEnabled=");
6311                pw.println(mOrientationSensorEnabled);
6312        pw.print(prefix); pw.print("mOverscanScreen=("); pw.print(mOverscanScreenLeft);
6313                pw.print(","); pw.print(mOverscanScreenTop);
6314                pw.print(") "); pw.print(mOverscanScreenWidth);
6315                pw.print("x"); pw.println(mOverscanScreenHeight);
6316        if (mOverscanLeft != 0 || mOverscanTop != 0
6317                || mOverscanRight != 0 || mOverscanBottom != 0) {
6318            pw.print(prefix); pw.print("mOverscan left="); pw.print(mOverscanLeft);
6319                    pw.print(" top="); pw.print(mOverscanTop);
6320                    pw.print(" right="); pw.print(mOverscanRight);
6321                    pw.print(" bottom="); pw.println(mOverscanBottom);
6322        }
6323        pw.print(prefix); pw.print("mRestrictedOverscanScreen=(");
6324                pw.print(mRestrictedOverscanScreenLeft);
6325                pw.print(","); pw.print(mRestrictedOverscanScreenTop);
6326                pw.print(") "); pw.print(mRestrictedOverscanScreenWidth);
6327                pw.print("x"); pw.println(mRestrictedOverscanScreenHeight);
6328        pw.print(prefix); pw.print("mUnrestrictedScreen=("); pw.print(mUnrestrictedScreenLeft);
6329                pw.print(","); pw.print(mUnrestrictedScreenTop);
6330                pw.print(") "); pw.print(mUnrestrictedScreenWidth);
6331                pw.print("x"); pw.println(mUnrestrictedScreenHeight);
6332        pw.print(prefix); pw.print("mRestrictedScreen=("); pw.print(mRestrictedScreenLeft);
6333                pw.print(","); pw.print(mRestrictedScreenTop);
6334                pw.print(") "); pw.print(mRestrictedScreenWidth);
6335                pw.print("x"); pw.println(mRestrictedScreenHeight);
6336        pw.print(prefix); pw.print("mStableFullscreen=("); pw.print(mStableFullscreenLeft);
6337                pw.print(","); pw.print(mStableFullscreenTop);
6338                pw.print(")-("); pw.print(mStableFullscreenRight);
6339                pw.print(","); pw.print(mStableFullscreenBottom); pw.println(")");
6340        pw.print(prefix); pw.print("mStable=("); pw.print(mStableLeft);
6341                pw.print(","); pw.print(mStableTop);
6342                pw.print(")-("); pw.print(mStableRight);
6343                pw.print(","); pw.print(mStableBottom); pw.println(")");
6344        pw.print(prefix); pw.print("mSystem=("); pw.print(mSystemLeft);
6345                pw.print(","); pw.print(mSystemTop);
6346                pw.print(")-("); pw.print(mSystemRight);
6347                pw.print(","); pw.print(mSystemBottom); pw.println(")");
6348        pw.print(prefix); pw.print("mCur=("); pw.print(mCurLeft);
6349                pw.print(","); pw.print(mCurTop);
6350                pw.print(")-("); pw.print(mCurRight);
6351                pw.print(","); pw.print(mCurBottom); pw.println(")");
6352        pw.print(prefix); pw.print("mContent=("); pw.print(mContentLeft);
6353                pw.print(","); pw.print(mContentTop);
6354                pw.print(")-("); pw.print(mContentRight);
6355                pw.print(","); pw.print(mContentBottom); pw.println(")");
6356        pw.print(prefix); pw.print("mVoiceContent=("); pw.print(mVoiceContentLeft);
6357                pw.print(","); pw.print(mVoiceContentTop);
6358                pw.print(")-("); pw.print(mVoiceContentRight);
6359                pw.print(","); pw.print(mVoiceContentBottom); pw.println(")");
6360        pw.print(prefix); pw.print("mDock=("); pw.print(mDockLeft);
6361                pw.print(","); pw.print(mDockTop);
6362                pw.print(")-("); pw.print(mDockRight);
6363                pw.print(","); pw.print(mDockBottom); pw.println(")");
6364        pw.print(prefix); pw.print("mDockLayer="); pw.print(mDockLayer);
6365                pw.print(" mStatusBarLayer="); pw.println(mStatusBarLayer);
6366        pw.print(prefix); pw.print("mShowingLockscreen="); pw.print(mShowingLockscreen);
6367                pw.print(" mShowingDream="); pw.print(mShowingDream);
6368                pw.print(" mDreamingLockscreen="); pw.println(mDreamingLockscreen);
6369        if (mLastInputMethodWindow != null) {
6370            pw.print(prefix); pw.print("mLastInputMethodWindow=");
6371                    pw.println(mLastInputMethodWindow);
6372        }
6373        if (mLastInputMethodTargetWindow != null) {
6374            pw.print(prefix); pw.print("mLastInputMethodTargetWindow=");
6375                    pw.println(mLastInputMethodTargetWindow);
6376        }
6377        if (mStatusBar != null) {
6378            pw.print(prefix); pw.print("mStatusBar=");
6379                    pw.print(mStatusBar); pw.print(" isStatusBarKeyguard=");
6380                    pw.println(isStatusBarKeyguard());
6381        }
6382        if (mNavigationBar != null) {
6383            pw.print(prefix); pw.print("mNavigationBar=");
6384                    pw.println(mNavigationBar);
6385        }
6386        if (mFocusedWindow != null) {
6387            pw.print(prefix); pw.print("mFocusedWindow=");
6388                    pw.println(mFocusedWindow);
6389        }
6390        if (mFocusedApp != null) {
6391            pw.print(prefix); pw.print("mFocusedApp=");
6392                    pw.println(mFocusedApp);
6393        }
6394        if (mWinDismissingKeyguard != null) {
6395            pw.print(prefix); pw.print("mWinDismissingKeyguard=");
6396                    pw.println(mWinDismissingKeyguard);
6397        }
6398        if (mTopFullscreenOpaqueWindowState != null) {
6399            pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
6400                    pw.println(mTopFullscreenOpaqueWindowState);
6401        }
6402        if (mTopFullscreenOpaqueOrDimmingWindowState != null) {
6403            pw.print(prefix); pw.print("mTopFullscreenOpaqueOrDimmingWindowState=");
6404                    pw.println(mTopFullscreenOpaqueOrDimmingWindowState);
6405        }
6406        if (mForcingShowNavBar) {
6407            pw.print(prefix); pw.print("mForcingShowNavBar=");
6408                    pw.println(mForcingShowNavBar); pw.print( "mForcingShowNavBarLayer=");
6409                    pw.println(mForcingShowNavBarLayer);
6410        }
6411        pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
6412                pw.print(" mHideLockScreen="); pw.println(mHideLockScreen);
6413        pw.print(prefix); pw.print("mForceStatusBar="); pw.print(mForceStatusBar);
6414                pw.print(" mForceStatusBarFromKeyguard=");
6415                pw.println(mForceStatusBarFromKeyguard);
6416        pw.print(prefix); pw.print("mDismissKeyguard="); pw.print(mDismissKeyguard);
6417                pw.print(" mWinDismissingKeyguard="); pw.print(mWinDismissingKeyguard);
6418                pw.print(" mHomePressed="); pw.println(mHomePressed);
6419        pw.print(prefix); pw.print("mAllowLockscreenWhenOn="); pw.print(mAllowLockscreenWhenOn);
6420                pw.print(" mLockScreenTimeout="); pw.print(mLockScreenTimeout);
6421                pw.print(" mLockScreenTimerActive="); pw.println(mLockScreenTimerActive);
6422        pw.print(prefix); pw.print("mEndcallBehavior="); pw.print(mEndcallBehavior);
6423                pw.print(" mIncallPowerBehavior="); pw.print(mIncallPowerBehavior);
6424                pw.print(" mLongPressOnHomeBehavior="); pw.println(mLongPressOnHomeBehavior);
6425        pw.print(prefix); pw.print("mLandscapeRotation="); pw.print(mLandscapeRotation);
6426                pw.print(" mSeascapeRotation="); pw.println(mSeascapeRotation);
6427        pw.print(prefix); pw.print("mPortraitRotation="); pw.print(mPortraitRotation);
6428                pw.print(" mUpsideDownRotation="); pw.println(mUpsideDownRotation);
6429        pw.print(prefix); pw.print("mDemoHdmiRotation="); pw.print(mDemoHdmiRotation);
6430                pw.print(" mDemoHdmiRotationLock="); pw.println(mDemoHdmiRotationLock);
6431        pw.print(prefix); pw.print("mUndockedHdmiRotation="); pw.println(mUndockedHdmiRotation);
6432
6433        mGlobalKeyManager.dump(prefix, pw);
6434        mStatusBarController.dump(pw, prefix);
6435        mNavigationBarController.dump(pw, prefix);
6436        PolicyControl.dump(prefix, pw);
6437
6438        if (mWakeGestureListener != null) {
6439            mWakeGestureListener.dump(pw, prefix);
6440        }
6441        if (mOrientationListener != null) {
6442            mOrientationListener.dump(pw, prefix);
6443        }
6444        if (mBurnInProtectionHelper != null) {
6445            mBurnInProtectionHelper.dump(prefix, pw);
6446        }
6447    }
6448}
6449