PhoneWindowManager.java revision 225d3b5449d29b43e619d8538d024305f6e81ba9 
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.Build;
53import android.os.Bundle;
54import android.os.Debug;
55import android.os.FactoryTest;
56import android.os.Handler;
57import android.os.IBinder;
58import android.os.Looper;
59import android.os.Message;
60import android.os.Messenger;
61import android.os.PowerManager;
62import android.os.RemoteException;
63import android.os.ServiceManager;
64import android.os.SystemClock;
65import android.os.SystemProperties;
66import android.os.UEventObserver;
67import android.os.UserHandle;
68import android.os.Vibrator;
69import android.provider.MediaStore;
70import android.provider.Settings;
71import android.service.dreams.DreamManagerInternal;
72import android.service.dreams.DreamService;
73import android.service.dreams.IDreamManager;
74import android.speech.RecognizerIntent;
75import android.telecom.TelecomManager;
76import android.util.DisplayMetrics;
77import android.util.EventLog;
78import android.util.Log;
79import android.util.Slog;
80import android.util.SparseArray;
81import android.view.Display;
82import android.view.Gravity;
83import android.view.HapticFeedbackConstants;
84import android.view.IApplicationToken;
85import android.view.IWindowManager;
86import android.view.InputChannel;
87import android.view.InputDevice;
88import android.view.InputEvent;
89import android.view.InputEventReceiver;
90import android.view.KeyCharacterMap;
91import android.view.KeyCharacterMap.FallbackAction;
92import android.view.KeyEvent;
93import android.view.MotionEvent;
94import android.view.PhoneWindow;
95import android.view.Surface;
96import android.view.View;
97import android.view.ViewConfiguration;
98import android.view.ViewRootImpl;
99import android.view.Window;
100import android.view.WindowManager;
101import android.view.WindowManagerGlobal;
102import android.view.WindowManagerInternal;
103import android.view.WindowManagerPolicy;
104import android.view.accessibility.AccessibilityEvent;
105import android.view.accessibility.AccessibilityManager;
106import android.view.animation.Animation;
107import android.view.animation.AnimationSet;
108import android.view.animation.AnimationUtils;
109import com.android.internal.R;
110import com.android.internal.statusbar.IStatusBarService;
111import com.android.internal.widget.PointerLocationView;
112import com.android.server.LocalServices;
113import com.android.server.policy.keyguard.KeyguardServiceDelegate;
114import com.android.server.policy.keyguard.KeyguardServiceDelegate.ShowListener;
115
116import java.io.File;
117import java.io.FileReader;
118import java.io.IOException;
119import java.io.PrintWriter;
120import java.util.HashSet;
121import java.util.List;
122
123import static android.view.WindowManager.LayoutParams.*;
124import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_ABSENT;
125import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_OPEN;
126import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_CLOSED;
127import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVER_ABSENT;
128import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_UNCOVERED;
129import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVERED;
130
131/**
132 * WindowManagerPolicy implementation for the Android phone UI.  This
133 * introduces a new method suffix, Lp, for an internal lock of the
134 * PhoneWindowManager.  This is used to protect some internal state, and
135 * can be acquired with either the Lw and Li lock held, so has the restrictions
136 * of both of those when held.
137 */
138public class PhoneWindowManager implements WindowManagerPolicy {
139    static final String TAG = "WindowManager";
140    static final boolean DEBUG = false;
141    static final boolean localLOGV = false;
142    static final boolean DEBUG_INPUT = false;
143    static final boolean DEBUG_KEYGUARD = false;
144    static final boolean DEBUG_LAYOUT = false;
145    static final boolean DEBUG_STARTING_WINDOW = false;
146    static final boolean DEBUG_WAKEUP = false;
147    static final boolean SHOW_STARTING_ANIMATIONS = true;
148    static final boolean SHOW_PROCESSES_ON_ALT_MENU = false;
149
150    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
151    // No longer recommended for desk docks; still useful in car docks.
152    static final boolean ENABLE_CAR_DOCK_HOME_CAPTURE = true;
153    static final boolean ENABLE_DESK_DOCK_HOME_CAPTURE = false;
154
155    static final int SHORT_PRESS_POWER_NOTHING = 0;
156    static final int SHORT_PRESS_POWER_GO_TO_SLEEP = 1;
157    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP = 2;
158    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME = 3;
159    static final int SHORT_PRESS_POWER_GO_HOME = 4;
160
161    static final int LONG_PRESS_POWER_NOTHING = 0;
162    static final int LONG_PRESS_POWER_GLOBAL_ACTIONS = 1;
163    static final int LONG_PRESS_POWER_SHUT_OFF = 2;
164    static final int LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM = 3;
165
166    static final int MULTI_PRESS_POWER_NOTHING = 0;
167    static final int MULTI_PRESS_POWER_THEATER_MODE = 1;
168    static final int MULTI_PRESS_POWER_BRIGHTNESS_BOOST = 2;
169
170    // These need to match the documentation/constant in
171    // core/res/res/values/config.xml
172    static final int LONG_PRESS_HOME_NOTHING = 0;
173    static final int LONG_PRESS_HOME_RECENT_SYSTEM_UI = 1;
174    static final int LONG_PRESS_HOME_ASSIST = 2;
175
176    static final int DOUBLE_TAP_HOME_NOTHING = 0;
177    static final int DOUBLE_TAP_HOME_RECENT_SYSTEM_UI = 1;
178
179    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP = 0;
180    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME = 1;
181
182    static final int APPLICATION_MEDIA_SUBLAYER = -2;
183    static final int APPLICATION_MEDIA_OVERLAY_SUBLAYER = -1;
184    static final int APPLICATION_PANEL_SUBLAYER = 1;
185    static final int APPLICATION_SUB_PANEL_SUBLAYER = 2;
186
187    static public final String SYSTEM_DIALOG_REASON_KEY = "reason";
188    static public final String SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS = "globalactions";
189    static public final String SYSTEM_DIALOG_REASON_RECENT_APPS = "recentapps";
190    static public final String SYSTEM_DIALOG_REASON_HOME_KEY = "homekey";
191    static public final String SYSTEM_DIALOG_REASON_ASSIST = "assist";
192
193    /**
194     * These are the system UI flags that, when changing, can cause the layout
195     * of the screen to change.
196     */
197    static final int SYSTEM_UI_CHANGING_LAYOUT =
198              View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
199            | View.SYSTEM_UI_FLAG_FULLSCREEN
200            | View.STATUS_BAR_TRANSLUCENT
201            | View.NAVIGATION_BAR_TRANSLUCENT
202            | View.SYSTEM_UI_TRANSPARENT;
203
204    private static final AudioAttributes VIBRATION_ATTRIBUTES = new AudioAttributes.Builder()
205            .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
206            .setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION)
207            .build();
208
209    /**
210     * Keyguard stuff
211     */
212    private WindowState mKeyguardScrim;
213    private boolean mKeyguardHidden;
214    private boolean mKeyguardDrawnOnce;
215
216    /* Table of Application Launch keys.  Maps from key codes to intent categories.
217     *
218     * These are special keys that are used to launch particular kinds of applications,
219     * such as a web browser.  HID defines nearly a hundred of them in the Consumer (0x0C)
220     * usage page.  We don't support quite that many yet...
221     */
222    static SparseArray<String> sApplicationLaunchKeyCategories;
223    static {
224        sApplicationLaunchKeyCategories = new SparseArray<String>();
225        sApplicationLaunchKeyCategories.append(
226                KeyEvent.KEYCODE_EXPLORER, Intent.CATEGORY_APP_BROWSER);
227        sApplicationLaunchKeyCategories.append(
228                KeyEvent.KEYCODE_ENVELOPE, Intent.CATEGORY_APP_EMAIL);
229        sApplicationLaunchKeyCategories.append(
230                KeyEvent.KEYCODE_CONTACTS, Intent.CATEGORY_APP_CONTACTS);
231        sApplicationLaunchKeyCategories.append(
232                KeyEvent.KEYCODE_CALENDAR, Intent.CATEGORY_APP_CALENDAR);
233        sApplicationLaunchKeyCategories.append(
234                KeyEvent.KEYCODE_MUSIC, Intent.CATEGORY_APP_MUSIC);
235        sApplicationLaunchKeyCategories.append(
236                KeyEvent.KEYCODE_CALCULATOR, Intent.CATEGORY_APP_CALCULATOR);
237    }
238
239    /** Amount of time (in milliseconds) to wait for windows drawn before powering on. */
240    static final int WAITING_FOR_DRAWN_TIMEOUT = 1000;
241
242    /**
243     * Lock protecting internal state.  Must not call out into window
244     * manager with lock held.  (This lock will be acquired in places
245     * where the window manager is calling in with its own lock held.)
246     */
247    private final Object mLock = new Object();
248
249    Context mContext;
250    IWindowManager mWindowManager;
251    WindowManagerFuncs mWindowManagerFuncs;
252    WindowManagerInternal mWindowManagerInternal;
253    PowerManager mPowerManager;
254    DreamManagerInternal mDreamManagerInternal;
255    IStatusBarService mStatusBarService;
256    boolean mPreloadedRecentApps;
257    final Object mServiceAquireLock = new Object();
258    Vibrator mVibrator; // Vibrator for giving feedback of orientation changes
259    SearchManager mSearchManager;
260    AccessibilityManager mAccessibilityManager;
261    BurnInProtectionHelper mBurnInProtectionHelper;
262
263    // Vibrator pattern for haptic feedback of a long press.
264    long[] mLongPressVibePattern;
265
266    // Vibrator pattern for haptic feedback of virtual key press.
267    long[] mVirtualKeyVibePattern;
268
269    // Vibrator pattern for a short vibration.
270    long[] mKeyboardTapVibePattern;
271
272    // Vibrator pattern for a short vibration when tapping on an hour/minute tick of a Clock.
273    long[] mClockTickVibePattern;
274
275    // Vibrator pattern for a short vibration when tapping on a day/month/year date of a Calendar.
276    long[] mCalendarDateVibePattern;
277
278    // Vibrator pattern for haptic feedback during boot when safe mode is disabled.
279    long[] mSafeModeDisabledVibePattern;
280
281    // Vibrator pattern for haptic feedback during boot when safe mode is enabled.
282    long[] mSafeModeEnabledVibePattern;
283
284    /** If true, hitting shift & menu will broadcast Intent.ACTION_BUG_REPORT */
285    boolean mEnableShiftMenuBugReports = false;
286
287    boolean mSafeMode;
288    WindowState mStatusBar = null;
289    int mStatusBarHeight;
290    WindowState mNavigationBar = null;
291    boolean mHasNavigationBar = false;
292    boolean mCanHideNavigationBar = false;
293    boolean mNavigationBarCanMove = false; // can the navigation bar ever move to the side?
294    boolean mNavigationBarOnBottom = true; // is the navigation bar on the bottom *right now*?
295    int[] mNavigationBarHeightForRotation = new int[4];
296    int[] mNavigationBarWidthForRotation = new int[4];
297
298    boolean mBootMessageNeedsHiding;
299    KeyguardServiceDelegate mKeyguardDelegate;
300    final Runnable mWindowManagerDrawCallback = new Runnable() {
301        @Override
302        public void run() {
303            if (DEBUG_WAKEUP) Slog.i(TAG, "All windows ready for display!");
304            mHandler.sendEmptyMessage(MSG_WINDOW_MANAGER_DRAWN_COMPLETE);
305        }
306    };
307    final ShowListener mKeyguardDelegateCallback = new ShowListener() {
308        @Override
309        public void onShown(IBinder windowToken) {
310            if (DEBUG_WAKEUP) Slog.d(TAG, "mKeyguardDelegate.ShowListener.onShown.");
311            mHandler.sendEmptyMessage(MSG_KEYGUARD_DRAWN_COMPLETE);
312        }
313    };
314
315    GlobalActions mGlobalActions;
316    Handler mHandler;
317    WindowState mLastInputMethodWindow = null;
318    WindowState mLastInputMethodTargetWindow = null;
319
320    // FIXME This state is shared between the input reader and handler thread.
321    // Technically it's broken and buggy but it has been like this for many years
322    // and we have not yet seen any problems.  Someday we'll rewrite this logic
323    // so that only one thread is involved in handling input policy.  Unfortunately
324    // it's on a critical path for power management so we can't just post the work to the
325    // handler thread.  We'll need to resolve this someday by teaching the input dispatcher
326    // to hold wakelocks during dispatch and eliminating the critical path.
327    volatile boolean mPowerKeyHandled;
328    volatile boolean mBeganFromNonInteractive;
329    volatile int mPowerKeyPressCounter;
330    volatile boolean mEndCallKeyHandled;
331
332    boolean mRecentsVisible;
333    int mRecentAppsHeldModifiers;
334    boolean mLanguageSwitchKeyPressed;
335
336    int mLidState = LID_ABSENT;
337    int mCameraLensCoverState = CAMERA_LENS_COVER_ABSENT;
338    boolean mHaveBuiltInKeyboard;
339
340    boolean mSystemReady;
341    boolean mSystemBooted;
342    boolean mHdmiPlugged;
343    IUiModeManager mUiModeManager;
344    int mUiMode;
345    int mDockMode = Intent.EXTRA_DOCK_STATE_UNDOCKED;
346    int mLidOpenRotation;
347    int mCarDockRotation;
348    int mDeskDockRotation;
349    int mUndockedHdmiRotation;
350    int mDemoHdmiRotation;
351    boolean mDemoHdmiRotationLock;
352    int mDemoRotation;
353    boolean mDemoRotationLock;
354
355    boolean mWakeGestureEnabledSetting;
356    MyWakeGestureListener mWakeGestureListener;
357
358    // Default display does not rotate, apps that require non-default orientation will have to
359    // have the orientation emulated.
360    private boolean mForceDefaultOrientation = false;
361
362    int mUserRotationMode = WindowManagerPolicy.USER_ROTATION_FREE;
363    int mUserRotation = Surface.ROTATION_0;
364    boolean mAccelerometerDefault;
365
366    boolean mSupportAutoRotation;
367    int mAllowAllRotations = -1;
368    boolean mCarDockEnablesAccelerometer;
369    boolean mDeskDockEnablesAccelerometer;
370    int mLidKeyboardAccessibility;
371    int mLidNavigationAccessibility;
372    boolean mLidControlsSleep;
373    int mShortPressOnPowerBehavior;
374    int mLongPressOnPowerBehavior;
375    int mDoublePressOnPowerBehavior;
376    int mTriplePressOnPowerBehavior;
377    int mShortPressOnSleepBehavior;
378    boolean mAwake;
379    boolean mScreenOnEarly;
380    boolean mScreenOnFully;
381    ScreenOnListener mScreenOnListener;
382    boolean mKeyguardDrawComplete;
383    boolean mWindowManagerDrawComplete;
384    boolean mOrientationSensorEnabled = false;
385    int mCurrentAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
386    boolean mHasSoftInput = false;
387    boolean mTranslucentDecorEnabled = true;
388    boolean mUseTvRouting;
389
390    int mPointerLocationMode = 0; // guarded by mLock
391
392    // The last window we were told about in focusChanged.
393    WindowState mFocusedWindow;
394    IApplicationToken mFocusedApp;
395
396    PointerLocationView mPointerLocationView;
397
398    // The current size of the screen; really; extends into the overscan area of
399    // the screen and doesn't account for any system elements like the status bar.
400    int mOverscanScreenLeft, mOverscanScreenTop;
401    int mOverscanScreenWidth, mOverscanScreenHeight;
402    // The current visible size of the screen; really; (ir)regardless of whether the status
403    // bar can be hidden but not extending into the overscan area.
404    int mUnrestrictedScreenLeft, mUnrestrictedScreenTop;
405    int mUnrestrictedScreenWidth, mUnrestrictedScreenHeight;
406    // Like mOverscanScreen*, but allowed to move into the overscan region where appropriate.
407    int mRestrictedOverscanScreenLeft, mRestrictedOverscanScreenTop;
408    int mRestrictedOverscanScreenWidth, mRestrictedOverscanScreenHeight;
409    // The current size of the screen; these may be different than (0,0)-(dw,dh)
410    // if the status bar can't be hidden; in that case it effectively carves out
411    // that area of the display from all other windows.
412    int mRestrictedScreenLeft, mRestrictedScreenTop;
413    int mRestrictedScreenWidth, mRestrictedScreenHeight;
414    // During layout, the current screen borders accounting for any currently
415    // visible system UI elements.
416    int mSystemLeft, mSystemTop, mSystemRight, mSystemBottom;
417    // For applications requesting stable content insets, these are them.
418    int mStableLeft, mStableTop, mStableRight, mStableBottom;
419    // For applications requesting stable content insets but have also set the
420    // fullscreen window flag, these are the stable dimensions without the status bar.
421    int mStableFullscreenLeft, mStableFullscreenTop;
422    int mStableFullscreenRight, mStableFullscreenBottom;
423    // During layout, the current screen borders with all outer decoration
424    // (status bar, input method dock) accounted for.
425    int mCurLeft, mCurTop, mCurRight, mCurBottom;
426    // During layout, the frame in which 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.  This is usually
429    // the same as mCur*, but may be larger if the screen decor has supplied
430    // content insets.
431    int mContentLeft, mContentTop, mContentRight, mContentBottom;
432    // During layout, the frame in which voice content should be displayed
433    // to the user, accounting for all screen decoration except for any
434    // space they deem as available for other content.
435    int mVoiceContentLeft, mVoiceContentTop, mVoiceContentRight, mVoiceContentBottom;
436    // During layout, the current screen borders along which input method
437    // windows are placed.
438    int mDockLeft, mDockTop, mDockRight, mDockBottom;
439    // During layout, the layer at which the doc window is placed.
440    int mDockLayer;
441    // During layout, this is the layer of the status bar.
442    int mStatusBarLayer;
443    int mLastSystemUiFlags;
444    // Bits that we are in the process of clearing, so we want to prevent
445    // them from being set by applications until everything has been updated
446    // to have them clear.
447    int mResettingSystemUiFlags = 0;
448    // Bits that we are currently always keeping cleared.
449    int mForceClearedSystemUiFlags = 0;
450    // What we last reported to system UI about whether the compatibility
451    // menu needs to be displayed.
452    boolean mLastFocusNeedsMenu = false;
453
454    FakeWindow mHideNavFakeWindow = null;
455
456    static final Rect mTmpParentFrame = new Rect();
457    static final Rect mTmpDisplayFrame = new Rect();
458    static final Rect mTmpOverscanFrame = new Rect();
459    static final Rect mTmpContentFrame = new Rect();
460    static final Rect mTmpVisibleFrame = new Rect();
461    static final Rect mTmpDecorFrame = new Rect();
462    static final Rect mTmpStableFrame = new Rect();
463    static final Rect mTmpNavigationFrame = new Rect();
464
465    WindowState mTopFullscreenOpaqueWindowState;
466    WindowState mTopFullscreenOpaqueOrDimmingWindowState;
467    HashSet<IApplicationToken> mAppsToBeHidden = new HashSet<IApplicationToken>();
468    HashSet<IApplicationToken> mAppsThatDismissKeyguard = new HashSet<IApplicationToken>();
469    boolean mTopIsFullscreen;
470    boolean mForceStatusBar;
471    boolean mForceStatusBarFromKeyguard;
472    boolean mHideLockScreen;
473    boolean mForcingShowNavBar;
474    int mForcingShowNavBarLayer;
475
476    // States of keyguard dismiss.
477    private static final int DISMISS_KEYGUARD_NONE = 0; // Keyguard not being dismissed.
478    private static final int DISMISS_KEYGUARD_START = 1; // Keyguard needs to be dismissed.
479    private static final int DISMISS_KEYGUARD_CONTINUE = 2; // Keyguard has been dismissed.
480    int mDismissKeyguard = DISMISS_KEYGUARD_NONE;
481
482    /** The window that is currently dismissing the keyguard. Dismissing the keyguard must only
483     * be done once per window. */
484    private WindowState mWinDismissingKeyguard;
485
486    /** The window that is currently showing "over" the keyguard. If there is an app window
487     * belonging to another app on top of this the keyguard shows. If there is a fullscreen
488     * app window under this, still dismiss the keyguard but don't show the app underneath. Show
489     * the wallpaper. */
490    private WindowState mWinShowWhenLocked;
491
492    boolean mShowingLockscreen;
493    boolean mShowingDream;
494    boolean mDreamingLockscreen;
495    boolean mKeyguardSecure;
496    boolean mKeyguardSecureIncludingHidden;
497    volatile boolean mKeyguardOccluded;
498    boolean mHomePressed;
499    boolean mHomeConsumed;
500    boolean mHomeDoubleTapPending;
501    Intent mHomeIntent;
502    Intent mCarDockIntent;
503    Intent mDeskDockIntent;
504    boolean mSearchKeyShortcutPending;
505    boolean mConsumeSearchKeyUp;
506    boolean mAssistKeyLongPressed;
507    boolean mPendingMetaAction;
508
509    // support for activating the lock screen while the screen is on
510    boolean mAllowLockscreenWhenOn;
511    int mLockScreenTimeout;
512    boolean mLockScreenTimerActive;
513
514    // Behavior of ENDCALL Button.  (See Settings.System.END_BUTTON_BEHAVIOR.)
515    int mEndcallBehavior;
516
517    // Behavior of POWER button while in-call and screen on.
518    // (See Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR.)
519    int mIncallPowerBehavior;
520
521    Display mDisplay;
522
523    int mLandscapeRotation = 0;  // default landscape rotation
524    int mSeascapeRotation = 0;   // "other" landscape rotation, 180 degrees from mLandscapeRotation
525    int mPortraitRotation = 0;   // default portrait rotation
526    int mUpsideDownRotation = 0; // "other" portrait rotation
527
528    int mOverscanLeft = 0;
529    int mOverscanTop = 0;
530    int mOverscanRight = 0;
531    int mOverscanBottom = 0;
532
533    // What we do when the user long presses on home
534    private int mLongPressOnHomeBehavior;
535
536    // What we do when the user double-taps on home
537    private int mDoubleTapOnHomeBehavior;
538
539    // Allowed theater mode wake actions
540    private boolean mAllowTheaterModeWakeFromKey;
541    private boolean mAllowTheaterModeWakeFromPowerKey;
542    private boolean mAllowTheaterModeWakeFromMotion;
543    private boolean mAllowTheaterModeWakeFromMotionWhenNotDreaming;
544    private boolean mAllowTheaterModeWakeFromCameraLens;
545    private boolean mAllowTheaterModeWakeFromLidSwitch;
546    private boolean mAllowTheaterModeWakeFromWakeGesture;
547
548    // Whether to support long press from power button in non-interactive mode
549    private boolean mSupportLongPressPowerWhenNonInteractive;
550
551    // Whether to go to sleep entering theater mode from power button
552    private boolean mGoToSleepOnButtonPressTheaterMode;
553
554    // Screenshot trigger states
555    // Time to volume and power must be pressed within this interval of each other.
556    private static final long SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS = 150;
557    // Increase the chord delay when taking a screenshot from the keyguard
558    private static final float KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER = 2.5f;
559    private boolean mScreenshotChordEnabled;
560    private boolean mScreenshotChordVolumeDownKeyTriggered;
561    private long mScreenshotChordVolumeDownKeyTime;
562    private boolean mScreenshotChordVolumeDownKeyConsumed;
563    private boolean mScreenshotChordVolumeUpKeyTriggered;
564    private boolean mScreenshotChordPowerKeyTriggered;
565    private long mScreenshotChordPowerKeyTime;
566
567    /* The number of steps between min and max brightness */
568    private static final int BRIGHTNESS_STEPS = 10;
569
570    SettingsObserver mSettingsObserver;
571    ShortcutManager mShortcutManager;
572    PowerManager.WakeLock mBroadcastWakeLock;
573    PowerManager.WakeLock mPowerKeyWakeLock;
574    boolean mHavePendingMediaKeyRepeatWithWakeLock;
575
576    private int mCurrentUserId;
577
578    // Maps global key codes to the components that will handle them.
579    private GlobalKeyManager mGlobalKeyManager;
580
581    // Fallback actions by key code.
582    private final SparseArray<KeyCharacterMap.FallbackAction> mFallbackActions =
583            new SparseArray<KeyCharacterMap.FallbackAction>();
584
585    private final LogDecelerateInterpolator mLogDecelerateInterpolator
586            = new LogDecelerateInterpolator(100, 0);
587
588    private static final int MSG_ENABLE_POINTER_LOCATION = 1;
589    private static final int MSG_DISABLE_POINTER_LOCATION = 2;
590    private static final int MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK = 3;
591    private static final int MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK = 4;
592    private static final int MSG_KEYGUARD_DRAWN_COMPLETE = 5;
593    private static final int MSG_KEYGUARD_DRAWN_TIMEOUT = 6;
594    private static final int MSG_WINDOW_MANAGER_DRAWN_COMPLETE = 7;
595    private static final int MSG_DISPATCH_SHOW_RECENTS = 9;
596    private static final int MSG_DISPATCH_SHOW_GLOBAL_ACTIONS = 10;
597    private static final int MSG_HIDE_BOOT_MESSAGE = 11;
598    private static final int MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK = 12;
599    private static final int MSG_POWER_DELAYED_PRESS = 13;
600    private static final int MSG_POWER_LONG_PRESS = 14;
601
602    private class PolicyHandler extends Handler {
603        @Override
604        public void handleMessage(Message msg) {
605            switch (msg.what) {
606                case MSG_ENABLE_POINTER_LOCATION:
607                    enablePointerLocation();
608                    break;
609                case MSG_DISABLE_POINTER_LOCATION:
610                    disablePointerLocation();
611                    break;
612                case MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK:
613                    dispatchMediaKeyWithWakeLock((KeyEvent)msg.obj);
614                    break;
615                case MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK:
616                    dispatchMediaKeyRepeatWithWakeLock((KeyEvent)msg.obj);
617                    break;
618                case MSG_DISPATCH_SHOW_RECENTS:
619                    showRecentApps(false);
620                    break;
621                case MSG_DISPATCH_SHOW_GLOBAL_ACTIONS:
622                    showGlobalActionsInternal();
623                    break;
624                case MSG_KEYGUARD_DRAWN_COMPLETE:
625                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mKeyguardDrawComplete");
626                    finishKeyguardDrawn();
627                    break;
628                case MSG_KEYGUARD_DRAWN_TIMEOUT:
629                    Slog.w(TAG, "Keyguard drawn timeout. Setting mKeyguardDrawComplete");
630                    finishKeyguardDrawn();
631                    break;
632                case MSG_WINDOW_MANAGER_DRAWN_COMPLETE:
633                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mWindowManagerDrawComplete");
634                    finishWindowsDrawn();
635                    break;
636                case MSG_HIDE_BOOT_MESSAGE:
637                    handleHideBootMessage();
638                    break;
639                case MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK:
640                    launchVoiceAssistWithWakeLock(msg.arg1 != 0);
641                    break;
642                case MSG_POWER_DELAYED_PRESS:
643                    powerPress((Long)msg.obj, msg.arg1 != 0, msg.arg2);
644                    finishPowerKeyPress();
645                    break;
646                case MSG_POWER_LONG_PRESS:
647                    powerLongPress();
648                    break;
649            }
650        }
651    }
652
653    private UEventObserver mHDMIObserver = new UEventObserver() {
654        @Override
655        public void onUEvent(UEventObserver.UEvent event) {
656            setHdmiPlugged("1".equals(event.get("SWITCH_STATE")));
657        }
658    };
659
660    class SettingsObserver extends ContentObserver {
661        SettingsObserver(Handler handler) {
662            super(handler);
663        }
664
665        void observe() {
666            // Observe all users' changes
667            ContentResolver resolver = mContext.getContentResolver();
668            resolver.registerContentObserver(Settings.System.getUriFor(
669                    Settings.System.END_BUTTON_BEHAVIOR), false, this,
670                    UserHandle.USER_ALL);
671            resolver.registerContentObserver(Settings.Secure.getUriFor(
672                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR), false, this,
673                    UserHandle.USER_ALL);
674            resolver.registerContentObserver(Settings.Secure.getUriFor(
675                    Settings.Secure.WAKE_GESTURE_ENABLED), false, this,
676                    UserHandle.USER_ALL);
677            resolver.registerContentObserver(Settings.System.getUriFor(
678                    Settings.System.ACCELEROMETER_ROTATION), false, this,
679                    UserHandle.USER_ALL);
680            resolver.registerContentObserver(Settings.System.getUriFor(
681                    Settings.System.USER_ROTATION), false, this,
682                    UserHandle.USER_ALL);
683            resolver.registerContentObserver(Settings.System.getUriFor(
684                    Settings.System.SCREEN_OFF_TIMEOUT), false, this,
685                    UserHandle.USER_ALL);
686            resolver.registerContentObserver(Settings.System.getUriFor(
687                    Settings.System.POINTER_LOCATION), false, this,
688                    UserHandle.USER_ALL);
689            resolver.registerContentObserver(Settings.Secure.getUriFor(
690                    Settings.Secure.DEFAULT_INPUT_METHOD), false, this,
691                    UserHandle.USER_ALL);
692            resolver.registerContentObserver(Settings.Secure.getUriFor(
693                    Settings.Secure.IMMERSIVE_MODE_CONFIRMATIONS), false, this,
694                    UserHandle.USER_ALL);
695            resolver.registerContentObserver(Settings.Global.getUriFor(
696                    Settings.Global.POLICY_CONTROL), false, this,
697                    UserHandle.USER_ALL);
698            updateSettings();
699        }
700
701        @Override public void onChange(boolean selfChange) {
702            updateSettings();
703            updateRotation(false);
704        }
705    }
706
707    class MyWakeGestureListener extends WakeGestureListener {
708        MyWakeGestureListener(Context context, Handler handler) {
709            super(context, handler);
710        }
711
712        @Override
713        public void onWakeUp() {
714            synchronized (mLock) {
715                if (shouldEnableWakeGestureLp()) {
716                    performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
717                    wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromWakeGesture);
718                }
719            }
720        }
721    }
722
723    class MyOrientationListener extends WindowOrientationListener {
724        MyOrientationListener(Context context, Handler handler) {
725            super(context, handler);
726        }
727
728        @Override
729        public void onProposedRotationChanged(int rotation) {
730            if (localLOGV) Slog.v(TAG, "onProposedRotationChanged, rotation=" + rotation);
731            updateRotation(false);
732        }
733    }
734    MyOrientationListener mOrientationListener;
735
736    private final StatusBarController mStatusBarController = new StatusBarController();
737
738    private final BarController mNavigationBarController = new BarController("NavigationBar",
739            View.NAVIGATION_BAR_TRANSIENT,
740            View.NAVIGATION_BAR_UNHIDE,
741            View.NAVIGATION_BAR_TRANSLUCENT,
742            StatusBarManager.WINDOW_NAVIGATION_BAR,
743            WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
744
745    private ImmersiveModeConfirmation mImmersiveModeConfirmation;
746
747    private SystemGesturesPointerEventListener mSystemGestures;
748
749    IStatusBarService getStatusBarService() {
750        synchronized (mServiceAquireLock) {
751            if (mStatusBarService == null) {
752                mStatusBarService = IStatusBarService.Stub.asInterface(
753                        ServiceManager.getService("statusbar"));
754            }
755            return mStatusBarService;
756        }
757    }
758
759    /*
760     * We always let the sensor be switched on by default except when
761     * the user has explicitly disabled sensor based rotation or when the
762     * screen is switched off.
763     */
764    boolean needSensorRunningLp() {
765        if (mSupportAutoRotation) {
766            if (mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
767                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
768                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT
769                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE) {
770                // If the application has explicitly requested to follow the
771                // orientation, then we need to turn the sensor on.
772                return true;
773            }
774        }
775        if ((mCarDockEnablesAccelerometer && mDockMode == Intent.EXTRA_DOCK_STATE_CAR) ||
776                (mDeskDockEnablesAccelerometer && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
777                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
778                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK))) {
779            // enable accelerometer if we are docked in a dock that enables accelerometer
780            // orientation management,
781            return true;
782        }
783        if (mUserRotationMode == USER_ROTATION_LOCKED) {
784            // If the setting for using the sensor by default is enabled, then
785            // we will always leave it on.  Note that the user could go to
786            // a window that forces an orientation that does not use the
787            // sensor and in theory we could turn it off... however, when next
788            // turning it on we won't have a good value for the current
789            // orientation for a little bit, which can cause orientation
790            // changes to lag, so we'd like to keep it always on.  (It will
791            // still be turned off when the screen is off.)
792            return false;
793        }
794        return mSupportAutoRotation;
795    }
796
797    /*
798     * Various use cases for invoking this function
799     * screen turning off, should always disable listeners if already enabled
800     * screen turned on and current app has sensor based orientation, enable listeners
801     * if not already enabled
802     * screen turned on and current app does not have sensor orientation, disable listeners if
803     * already enabled
804     * screen turning on and current app has sensor based orientation, enable listeners if needed
805     * screen turning on and current app has nosensor based orientation, do nothing
806     */
807    void updateOrientationListenerLp() {
808        if (!mOrientationListener.canDetectOrientation()) {
809            // If sensor is turned off or nonexistent for some reason
810            return;
811        }
812        //Could have been invoked due to screen turning on or off or
813        //change of the currently visible window's orientation
814        if (localLOGV) Slog.v(TAG, "mScreenOnEarly=" + mScreenOnEarly
815                + ", mAwake=" + mAwake + ", mCurrentAppOrientation=" + mCurrentAppOrientation
816                + ", mOrientationSensorEnabled=" + mOrientationSensorEnabled);
817        boolean disable = true;
818        if (mScreenOnEarly && mAwake) {
819            if (needSensorRunningLp()) {
820                disable = false;
821                //enable listener if not already enabled
822                if (!mOrientationSensorEnabled) {
823                    mOrientationListener.enable();
824                    if(localLOGV) Slog.v(TAG, "Enabling listeners");
825                    mOrientationSensorEnabled = true;
826                }
827            }
828        }
829        //check if sensors need to be disabled
830        if (disable && mOrientationSensorEnabled) {
831            mOrientationListener.disable();
832            if(localLOGV) Slog.v(TAG, "Disabling listeners");
833            mOrientationSensorEnabled = false;
834        }
835    }
836
837    private void interceptPowerKeyDown(KeyEvent event, boolean interactive) {
838        // Hold a wake lock until the power key is released.
839        if (!mPowerKeyWakeLock.isHeld()) {
840            mPowerKeyWakeLock.acquire();
841        }
842
843        // Cancel multi-press detection timeout.
844        if (mPowerKeyPressCounter != 0) {
845            mHandler.removeMessages(MSG_POWER_DELAYED_PRESS);
846        }
847
848        // Detect user pressing the power button in panic when an application has
849        // taken over the whole screen.
850        boolean panic = mImmersiveModeConfirmation.onPowerKeyDown(interactive,
851                SystemClock.elapsedRealtime(), isImmersiveMode(mLastSystemUiFlags));
852        if (panic) {
853            mHandler.post(mRequestTransientNav);
854        }
855
856        // Latch power key state to detect screenshot chord.
857        if (interactive && !mScreenshotChordPowerKeyTriggered
858                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
859            mScreenshotChordPowerKeyTriggered = true;
860            mScreenshotChordPowerKeyTime = event.getDownTime();
861            interceptScreenshotChord();
862        }
863
864        // Stop ringing or end call if configured to do so when power is pressed.
865        TelecomManager telecomManager = getTelecommService();
866        boolean hungUp = false;
867        if (telecomManager != null) {
868            if (telecomManager.isRinging()) {
869                // Pressing Power while there's a ringing incoming
870                // call should silence the ringer.
871                telecomManager.silenceRinger();
872            } else if ((mIncallPowerBehavior
873                    & Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP) != 0
874                    && telecomManager.isInCall() && interactive) {
875                // Otherwise, if "Power button ends call" is enabled,
876                // the Power button will hang up any current active call.
877                hungUp = telecomManager.endCall();
878            }
879        }
880
881        // If the power key has still not yet been handled, then detect short
882        // press, long press, or multi press and decide what to do.
883        mPowerKeyHandled = hungUp || mScreenshotChordVolumeDownKeyTriggered
884                || mScreenshotChordVolumeUpKeyTriggered;
885        if (!mPowerKeyHandled) {
886            if (interactive) {
887                // When interactive, we're already awake.
888                // Wait for a long press or for the button to be released to decide what to do.
889                if (hasLongPressOnPowerBehavior()) {
890                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
891                    msg.setAsynchronous(true);
892                    mHandler.sendMessageDelayed(msg,
893                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
894                }
895            } else {
896                wakeUpFromPowerKey(event.getDownTime());
897
898                if (mSupportLongPressPowerWhenNonInteractive && hasLongPressOnPowerBehavior()) {
899                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
900                    msg.setAsynchronous(true);
901                    mHandler.sendMessageDelayed(msg,
902                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
903                    mBeganFromNonInteractive = true;
904                } else {
905                    final int maxCount = getMaxMultiPressPowerCount();
906
907                    if (maxCount <= 1) {
908                        mPowerKeyHandled = true;
909                    } else {
910                        mBeganFromNonInteractive = true;
911                    }
912                }
913            }
914        }
915    }
916
917    private void interceptPowerKeyUp(KeyEvent event, boolean interactive, boolean canceled) {
918        final boolean handled = canceled || mPowerKeyHandled;
919        mScreenshotChordPowerKeyTriggered = false;
920        cancelPendingScreenshotChordAction();
921        cancelPendingPowerKeyAction();
922
923        if (!handled) {
924            // Figure out how to handle the key now that it has been released.
925            mPowerKeyPressCounter += 1;
926
927            final int maxCount = getMaxMultiPressPowerCount();
928            final long eventTime = event.getDownTime();
929            if (mPowerKeyPressCounter < maxCount) {
930                // This could be a multi-press.  Wait a little bit longer to confirm.
931                // Continue holding the wake lock.
932                Message msg = mHandler.obtainMessage(MSG_POWER_DELAYED_PRESS,
933                        interactive ? 1 : 0, mPowerKeyPressCounter, eventTime);
934                msg.setAsynchronous(true);
935                mHandler.sendMessageDelayed(msg, ViewConfiguration.getDoubleTapTimeout());
936                return;
937            }
938
939            // No other actions.  Handle it immediately.
940            powerPress(eventTime, interactive, mPowerKeyPressCounter);
941        }
942
943        // Done.  Reset our state.
944        finishPowerKeyPress();
945    }
946
947    private void finishPowerKeyPress() {
948        mBeganFromNonInteractive = false;
949        mPowerKeyPressCounter = 0;
950        if (mPowerKeyWakeLock.isHeld()) {
951            mPowerKeyWakeLock.release();
952        }
953    }
954
955    private void cancelPendingPowerKeyAction() {
956        if (!mPowerKeyHandled) {
957            mPowerKeyHandled = true;
958            mHandler.removeMessages(MSG_POWER_LONG_PRESS);
959        }
960    }
961
962    private void powerPress(long eventTime, boolean interactive, int count) {
963        if (mScreenOnEarly && !mScreenOnFully) {
964            Slog.i(TAG, "Suppressed redundant power key press while "
965                    + "already in the process of turning the screen on.");
966            return;
967        }
968
969        if (count == 2) {
970            powerMultiPressAction(eventTime, interactive, mDoublePressOnPowerBehavior);
971        } else if (count == 3) {
972            powerMultiPressAction(eventTime, interactive, mTriplePressOnPowerBehavior);
973        } else if (interactive && !mBeganFromNonInteractive) {
974            switch (mShortPressOnPowerBehavior) {
975                case SHORT_PRESS_POWER_NOTHING:
976                    break;
977                case SHORT_PRESS_POWER_GO_TO_SLEEP:
978                    mPowerManager.goToSleep(eventTime,
979                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
980                    break;
981                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP:
982                    mPowerManager.goToSleep(eventTime,
983                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
984                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
985                    break;
986                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME:
987                    mPowerManager.goToSleep(eventTime,
988                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
989                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
990                    launchHomeFromHotKey();
991                    break;
992                case SHORT_PRESS_POWER_GO_HOME:
993                    launchHomeFromHotKey();
994                    break;
995            }
996        }
997    }
998
999    private void powerMultiPressAction(long eventTime, boolean interactive, int behavior) {
1000        switch (behavior) {
1001            case MULTI_PRESS_POWER_NOTHING:
1002                break;
1003            case MULTI_PRESS_POWER_THEATER_MODE:
1004                if (isTheaterModeEnabled()) {
1005                    Slog.i(TAG, "Toggling theater mode off.");
1006                    Settings.Global.putInt(mContext.getContentResolver(),
1007                            Settings.Global.THEATER_MODE_ON, 0);
1008                    if (!interactive) {
1009                        wakeUpFromPowerKey(eventTime);
1010                    }
1011                } else {
1012                    Slog.i(TAG, "Toggling theater mode on.");
1013                    Settings.Global.putInt(mContext.getContentResolver(),
1014                            Settings.Global.THEATER_MODE_ON, 1);
1015
1016                    if (mGoToSleepOnButtonPressTheaterMode && interactive) {
1017                        mPowerManager.goToSleep(eventTime,
1018                                PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1019                    }
1020                }
1021                break;
1022            case MULTI_PRESS_POWER_BRIGHTNESS_BOOST:
1023                Slog.i(TAG, "Starting brightness boost.");
1024                if (!interactive) {
1025                    wakeUpFromPowerKey(eventTime);
1026                }
1027                mPowerManager.boostScreenBrightness(eventTime);
1028                break;
1029        }
1030    }
1031
1032    private int getMaxMultiPressPowerCount() {
1033        if (mTriplePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1034            return 3;
1035        }
1036        if (mDoublePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1037            return 2;
1038        }
1039        return 1;
1040    }
1041
1042    private void powerLongPress() {
1043        final int behavior = getResolvedLongPressOnPowerBehavior();
1044        switch (behavior) {
1045        case LONG_PRESS_POWER_NOTHING:
1046            break;
1047        case LONG_PRESS_POWER_GLOBAL_ACTIONS:
1048            mPowerKeyHandled = true;
1049            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1050                performAuditoryFeedbackForAccessibilityIfNeed();
1051            }
1052            showGlobalActionsInternal();
1053            break;
1054        case LONG_PRESS_POWER_SHUT_OFF:
1055        case LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM:
1056            mPowerKeyHandled = true;
1057            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1058            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1059            mWindowManagerFuncs.shutdown(behavior == LONG_PRESS_POWER_SHUT_OFF);
1060            break;
1061        }
1062    }
1063
1064    private void sleepPress(KeyEvent event) {
1065        switch (mShortPressOnSleepBehavior) {
1066            case SHORT_PRESS_SLEEP_GO_TO_SLEEP:
1067                mPowerManager.goToSleep(event.getEventTime(),
1068                        PowerManager.GO_TO_SLEEP_REASON_SLEEP_BUTTON, 0);
1069                break;
1070            case SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME:
1071                launchHomeFromHotKey(false /* awakenDreams */);
1072                mPowerManager.goToSleep(event.getEventTime(),
1073                        PowerManager.GO_TO_SLEEP_REASON_SLEEP_BUTTON, 0);
1074                break;
1075        }
1076    }
1077
1078    private int getResolvedLongPressOnPowerBehavior() {
1079        if (FactoryTest.isLongPressOnPowerOffEnabled()) {
1080            return LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;
1081        }
1082        return mLongPressOnPowerBehavior;
1083    }
1084
1085    private boolean hasLongPressOnPowerBehavior() {
1086        return getResolvedLongPressOnPowerBehavior() != LONG_PRESS_POWER_NOTHING;
1087    }
1088
1089    private void interceptScreenshotChord() {
1090        if (mScreenshotChordEnabled
1091                && mScreenshotChordVolumeDownKeyTriggered && mScreenshotChordPowerKeyTriggered
1092                && !mScreenshotChordVolumeUpKeyTriggered) {
1093            final long now = SystemClock.uptimeMillis();
1094            if (now <= mScreenshotChordVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS
1095                    && now <= mScreenshotChordPowerKeyTime
1096                            + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS) {
1097                mScreenshotChordVolumeDownKeyConsumed = true;
1098                cancelPendingPowerKeyAction();
1099
1100                mHandler.postDelayed(mScreenshotRunnable, getScreenshotChordLongPressDelay());
1101            }
1102        }
1103    }
1104
1105    private long getScreenshotChordLongPressDelay() {
1106        if (mKeyguardDelegate.isShowing()) {
1107            // Double the time it takes to take a screenshot from the keyguard
1108            return (long) (KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER *
1109                    ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1110        }
1111        return ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout();
1112    }
1113
1114    private void cancelPendingScreenshotChordAction() {
1115        mHandler.removeCallbacks(mScreenshotRunnable);
1116    }
1117
1118    private final Runnable mEndCallLongPress = new Runnable() {
1119        @Override
1120        public void run() {
1121            mEndCallKeyHandled = true;
1122            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1123                performAuditoryFeedbackForAccessibilityIfNeed();
1124            }
1125            showGlobalActionsInternal();
1126        }
1127    };
1128
1129    private final Runnable mScreenshotRunnable = new Runnable() {
1130        @Override
1131        public void run() {
1132            takeScreenshot();
1133        }
1134    };
1135
1136    @Override
1137    public void showGlobalActions() {
1138        mHandler.removeMessages(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1139        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1140    }
1141
1142    void showGlobalActionsInternal() {
1143        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1144        if (mGlobalActions == null) {
1145            mGlobalActions = new GlobalActions(mContext, mWindowManagerFuncs);
1146        }
1147        final boolean keyguardShowing = isKeyguardShowingAndNotOccluded();
1148        mGlobalActions.showDialog(keyguardShowing, isDeviceProvisioned());
1149        if (keyguardShowing) {
1150            // since it took two seconds of long press to bring this up,
1151            // poke the wake lock so they have some time to see the dialog.
1152            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
1153        }
1154    }
1155
1156    boolean isDeviceProvisioned() {
1157        return Settings.Global.getInt(
1158                mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0;
1159    }
1160
1161    boolean isUserSetupComplete() {
1162        return Settings.Secure.getIntForUser(mContext.getContentResolver(),
1163                Settings.Secure.USER_SETUP_COMPLETE, 0, UserHandle.USER_CURRENT) != 0;
1164    }
1165
1166    private void handleShortPressOnHome() {
1167        // If there's a dream running then use home to escape the dream
1168        // but don't actually go home.
1169        if (mDreamManagerInternal != null && mDreamManagerInternal.isDreaming()) {
1170            mDreamManagerInternal.stopDream(false /*immediate*/);
1171            return;
1172        }
1173
1174        // Go home!
1175        launchHomeFromHotKey();
1176    }
1177
1178    private void handleLongPressOnHome() {
1179        if (mLongPressOnHomeBehavior != LONG_PRESS_HOME_NOTHING) {
1180            mHomeConsumed = true;
1181            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1182
1183            if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI) {
1184                toggleRecentApps();
1185            } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_ASSIST) {
1186                launchAssistAction();
1187            }
1188        }
1189    }
1190
1191    private void handleDoubleTapOnHome() {
1192        if (mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1193            mHomeConsumed = true;
1194            toggleRecentApps();
1195        }
1196    }
1197
1198    private final Runnable mHomeDoubleTapTimeoutRunnable = new Runnable() {
1199        @Override
1200        public void run() {
1201            if (mHomeDoubleTapPending) {
1202                mHomeDoubleTapPending = false;
1203                handleShortPressOnHome();
1204            }
1205        }
1206    };
1207
1208    private boolean isRoundWindow() {
1209        return mContext.getResources().getBoolean(com.android.internal.R.bool.config_windowIsRound)
1210                || (Build.HARDWARE.contains("goldfish")
1211                && SystemProperties.getBoolean(ViewRootImpl.PROPERTY_EMULATOR_CIRCULAR, false));
1212    }
1213
1214    /** {@inheritDoc} */
1215    @Override
1216    public void init(Context context, IWindowManager windowManager,
1217            WindowManagerFuncs windowManagerFuncs) {
1218        mContext = context;
1219        mWindowManager = windowManager;
1220        mWindowManagerFuncs = windowManagerFuncs;
1221        mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class);
1222        mDreamManagerInternal = LocalServices.getService(DreamManagerInternal.class);
1223
1224        // Init display burn-in protection
1225        boolean burnInProtectionEnabled = context.getResources().getBoolean(
1226                com.android.internal.R.bool.config_enableBurnInProtection);
1227        // Allow a system property to override this. Used by developer settings.
1228        boolean burnInProtectionDevMode =
1229                SystemProperties.getBoolean("persist.debug.force_burn_in", false);
1230        if (burnInProtectionEnabled || burnInProtectionDevMode) {
1231            final int minHorizontal;
1232            final int maxHorizontal;
1233            final int minVertical;
1234            final int maxVertical;
1235            final int maxRadius;
1236            if (burnInProtectionDevMode) {
1237                minHorizontal = -8;
1238                maxHorizontal = 8;
1239                minVertical = -8;
1240                maxVertical = -4;
1241                maxRadius = (isRoundWindow()) ? 6 : -1;
1242            } else {
1243                Resources resources = context.getResources();
1244                minHorizontal = resources.getInteger(
1245                        com.android.internal.R.integer.config_burnInProtectionMinHorizontalOffset);
1246                maxHorizontal = resources.getInteger(
1247                        com.android.internal.R.integer.config_burnInProtectionMaxHorizontalOffset);
1248                minVertical = resources.getInteger(
1249                        com.android.internal.R.integer.config_burnInProtectionMinVerticalOffset);
1250                maxVertical = resources.getInteger(
1251                        com.android.internal.R.integer.config_burnInProtectionMaxVerticalOffset);
1252                maxRadius = resources.getInteger(
1253                        com.android.internal.R.integer.config_burnInProtectionMaxRadius);
1254            }
1255            mBurnInProtectionHelper = new BurnInProtectionHelper(
1256                    context, minHorizontal, maxHorizontal, minVertical, maxVertical, maxRadius);
1257        }
1258
1259        mHandler = new PolicyHandler();
1260        mWakeGestureListener = new MyWakeGestureListener(mContext, mHandler);
1261        mOrientationListener = new MyOrientationListener(mContext, mHandler);
1262        try {
1263            mOrientationListener.setCurrentRotation(windowManager.getRotation());
1264        } catch (RemoteException ex) { }
1265        mSettingsObserver = new SettingsObserver(mHandler);
1266        mSettingsObserver.observe();
1267        mShortcutManager = new ShortcutManager(context);
1268        mUiMode = context.getResources().getInteger(
1269                com.android.internal.R.integer.config_defaultUiModeType);
1270        mHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
1271        mHomeIntent.addCategory(Intent.CATEGORY_HOME);
1272        mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1273                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1274        mCarDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1275        mCarDockIntent.addCategory(Intent.CATEGORY_CAR_DOCK);
1276        mCarDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1277                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1278        mDeskDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1279        mDeskDockIntent.addCategory(Intent.CATEGORY_DESK_DOCK);
1280        mDeskDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1281                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1282
1283        mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
1284        mBroadcastWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1285                "PhoneWindowManager.mBroadcastWakeLock");
1286        mPowerKeyWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1287                "PhoneWindowManager.mPowerKeyWakeLock");
1288        mEnableShiftMenuBugReports = "1".equals(SystemProperties.get("ro.debuggable"));
1289        mSupportAutoRotation = mContext.getResources().getBoolean(
1290                com.android.internal.R.bool.config_supportAutoRotation);
1291        mLidOpenRotation = readRotation(
1292                com.android.internal.R.integer.config_lidOpenRotation);
1293        mCarDockRotation = readRotation(
1294                com.android.internal.R.integer.config_carDockRotation);
1295        mDeskDockRotation = readRotation(
1296                com.android.internal.R.integer.config_deskDockRotation);
1297        mUndockedHdmiRotation = readRotation(
1298                com.android.internal.R.integer.config_undockedHdmiRotation);
1299        mCarDockEnablesAccelerometer = mContext.getResources().getBoolean(
1300                com.android.internal.R.bool.config_carDockEnablesAccelerometer);
1301        mDeskDockEnablesAccelerometer = mContext.getResources().getBoolean(
1302                com.android.internal.R.bool.config_deskDockEnablesAccelerometer);
1303        mLidKeyboardAccessibility = mContext.getResources().getInteger(
1304                com.android.internal.R.integer.config_lidKeyboardAccessibility);
1305        mLidNavigationAccessibility = mContext.getResources().getInteger(
1306                com.android.internal.R.integer.config_lidNavigationAccessibility);
1307        mLidControlsSleep = mContext.getResources().getBoolean(
1308                com.android.internal.R.bool.config_lidControlsSleep);
1309        mTranslucentDecorEnabled = mContext.getResources().getBoolean(
1310                com.android.internal.R.bool.config_enableTranslucentDecor);
1311
1312        mAllowTheaterModeWakeFromKey = mContext.getResources().getBoolean(
1313                com.android.internal.R.bool.config_allowTheaterModeWakeFromKey);
1314        mAllowTheaterModeWakeFromPowerKey = mAllowTheaterModeWakeFromKey
1315                || mContext.getResources().getBoolean(
1316                    com.android.internal.R.bool.config_allowTheaterModeWakeFromPowerKey);
1317        mAllowTheaterModeWakeFromMotion = mContext.getResources().getBoolean(
1318                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotion);
1319        mAllowTheaterModeWakeFromMotionWhenNotDreaming = mContext.getResources().getBoolean(
1320                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotionWhenNotDreaming);
1321        mAllowTheaterModeWakeFromCameraLens = mContext.getResources().getBoolean(
1322                com.android.internal.R.bool.config_allowTheaterModeWakeFromCameraLens);
1323        mAllowTheaterModeWakeFromLidSwitch = mContext.getResources().getBoolean(
1324                com.android.internal.R.bool.config_allowTheaterModeWakeFromLidSwitch);
1325        mAllowTheaterModeWakeFromWakeGesture = mContext.getResources().getBoolean(
1326                com.android.internal.R.bool.config_allowTheaterModeWakeFromGesture);
1327
1328        mGoToSleepOnButtonPressTheaterMode = mContext.getResources().getBoolean(
1329                com.android.internal.R.bool.config_goToSleepOnButtonPressTheaterMode);
1330
1331        mSupportLongPressPowerWhenNonInteractive = mContext.getResources().getBoolean(
1332                com.android.internal.R.bool.config_supportLongPressPowerWhenNonInteractive);
1333
1334        mShortPressOnPowerBehavior = mContext.getResources().getInteger(
1335                com.android.internal.R.integer.config_shortPressOnPowerBehavior);
1336        mLongPressOnPowerBehavior = mContext.getResources().getInteger(
1337                com.android.internal.R.integer.config_longPressOnPowerBehavior);
1338        mDoublePressOnPowerBehavior = mContext.getResources().getInteger(
1339                com.android.internal.R.integer.config_doublePressOnPowerBehavior);
1340        mTriplePressOnPowerBehavior = mContext.getResources().getInteger(
1341                com.android.internal.R.integer.config_triplePressOnPowerBehavior);
1342        mShortPressOnSleepBehavior = mContext.getResources().getInteger(
1343                com.android.internal.R.integer.config_shortPressOnSleepBehavior);
1344
1345        mUseTvRouting = AudioSystem.getPlatformType(mContext) == AudioSystem.PLATFORM_TELEVISION;
1346
1347        readConfigurationDependentBehaviors();
1348
1349        mAccessibilityManager = (AccessibilityManager) context.getSystemService(
1350                Context.ACCESSIBILITY_SERVICE);
1351
1352        // register for dock events
1353        IntentFilter filter = new IntentFilter();
1354        filter.addAction(UiModeManager.ACTION_ENTER_CAR_MODE);
1355        filter.addAction(UiModeManager.ACTION_EXIT_CAR_MODE);
1356        filter.addAction(UiModeManager.ACTION_ENTER_DESK_MODE);
1357        filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
1358        filter.addAction(Intent.ACTION_DOCK_EVENT);
1359        Intent intent = context.registerReceiver(mDockReceiver, filter);
1360        if (intent != null) {
1361            // Retrieve current sticky dock event broadcast.
1362            mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
1363                    Intent.EXTRA_DOCK_STATE_UNDOCKED);
1364        }
1365
1366        // register for dream-related broadcasts
1367        filter = new IntentFilter();
1368        filter.addAction(Intent.ACTION_DREAMING_STARTED);
1369        filter.addAction(Intent.ACTION_DREAMING_STOPPED);
1370        context.registerReceiver(mDreamReceiver, filter);
1371
1372        // register for multiuser-relevant broadcasts
1373        filter = new IntentFilter(Intent.ACTION_USER_SWITCHED);
1374        context.registerReceiver(mMultiuserReceiver, filter);
1375
1376        // monitor for system gestures
1377        mSystemGestures = new SystemGesturesPointerEventListener(context,
1378                new SystemGesturesPointerEventListener.Callbacks() {
1379                    @Override
1380                    public void onSwipeFromTop() {
1381                        if (mStatusBar != null) {
1382                            requestTransientBars(mStatusBar);
1383                        }
1384                    }
1385                    @Override
1386                    public void onSwipeFromBottom() {
1387                        if (mNavigationBar != null && mNavigationBarOnBottom) {
1388                            requestTransientBars(mNavigationBar);
1389                        }
1390                    }
1391                    @Override
1392                    public void onSwipeFromRight() {
1393                        if (mNavigationBar != null && !mNavigationBarOnBottom) {
1394                            requestTransientBars(mNavigationBar);
1395                        }
1396                    }
1397                    @Override
1398                    public void onDebug() {
1399                        // no-op
1400                    }
1401                    @Override
1402                    public void onDown() {
1403                        mOrientationListener.onTouchStart();
1404                    }
1405                    @Override
1406                    public void onUpOrCancel() {
1407                        mOrientationListener.onTouchEnd();
1408                    }
1409                });
1410        mImmersiveModeConfirmation = new ImmersiveModeConfirmation(mContext);
1411        mWindowManagerFuncs.registerPointerEventListener(mSystemGestures);
1412
1413        mVibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE);
1414        mLongPressVibePattern = getLongIntArray(mContext.getResources(),
1415                com.android.internal.R.array.config_longPressVibePattern);
1416        mVirtualKeyVibePattern = getLongIntArray(mContext.getResources(),
1417                com.android.internal.R.array.config_virtualKeyVibePattern);
1418        mKeyboardTapVibePattern = getLongIntArray(mContext.getResources(),
1419                com.android.internal.R.array.config_keyboardTapVibePattern);
1420        mClockTickVibePattern = getLongIntArray(mContext.getResources(),
1421                com.android.internal.R.array.config_clockTickVibePattern);
1422        mCalendarDateVibePattern = getLongIntArray(mContext.getResources(),
1423                com.android.internal.R.array.config_calendarDateVibePattern);
1424        mSafeModeDisabledVibePattern = getLongIntArray(mContext.getResources(),
1425                com.android.internal.R.array.config_safeModeDisabledVibePattern);
1426        mSafeModeEnabledVibePattern = getLongIntArray(mContext.getResources(),
1427                com.android.internal.R.array.config_safeModeEnabledVibePattern);
1428
1429        mScreenshotChordEnabled = mContext.getResources().getBoolean(
1430                com.android.internal.R.bool.config_enableScreenshotChord);
1431
1432        mGlobalKeyManager = new GlobalKeyManager(mContext);
1433
1434        // Controls rotation and the like.
1435        initializeHdmiState();
1436
1437        // Match current screen state.
1438        if (!mPowerManager.isInteractive()) {
1439            goingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1440        }
1441
1442        mWindowManagerInternal.registerAppTransitionListener(
1443                mStatusBarController.getAppTransitionListener());
1444    }
1445
1446    /**
1447     * Read values from config.xml that may be overridden depending on
1448     * the configuration of the device.
1449     * eg. Disable long press on home goes to recents on sw600dp.
1450     */
1451    private void readConfigurationDependentBehaviors() {
1452        mLongPressOnHomeBehavior = mContext.getResources().getInteger(
1453                com.android.internal.R.integer.config_longPressOnHomeBehavior);
1454        if (mLongPressOnHomeBehavior < LONG_PRESS_HOME_NOTHING ||
1455                mLongPressOnHomeBehavior > LONG_PRESS_HOME_ASSIST) {
1456            mLongPressOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1457        }
1458
1459        mDoubleTapOnHomeBehavior = mContext.getResources().getInteger(
1460                com.android.internal.R.integer.config_doubleTapOnHomeBehavior);
1461        if (mDoubleTapOnHomeBehavior < DOUBLE_TAP_HOME_NOTHING ||
1462                mDoubleTapOnHomeBehavior > DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1463            mDoubleTapOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1464        }
1465    }
1466
1467    @Override
1468    public void setInitialDisplaySize(Display display, int width, int height, int density) {
1469        // This method might be called before the policy has been fully initialized
1470        // or for other displays we don't care about.
1471        if (mContext == null || display.getDisplayId() != Display.DEFAULT_DISPLAY) {
1472            return;
1473        }
1474        mDisplay = display;
1475
1476        final Resources res = mContext.getResources();
1477        int shortSize, longSize;
1478        if (width > height) {
1479            shortSize = height;
1480            longSize = width;
1481            mLandscapeRotation = Surface.ROTATION_0;
1482            mSeascapeRotation = Surface.ROTATION_180;
1483            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1484                mPortraitRotation = Surface.ROTATION_90;
1485                mUpsideDownRotation = Surface.ROTATION_270;
1486            } else {
1487                mPortraitRotation = Surface.ROTATION_270;
1488                mUpsideDownRotation = Surface.ROTATION_90;
1489            }
1490        } else {
1491            shortSize = width;
1492            longSize = height;
1493            mPortraitRotation = Surface.ROTATION_0;
1494            mUpsideDownRotation = Surface.ROTATION_180;
1495            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1496                mLandscapeRotation = Surface.ROTATION_270;
1497                mSeascapeRotation = Surface.ROTATION_90;
1498            } else {
1499                mLandscapeRotation = Surface.ROTATION_90;
1500                mSeascapeRotation = Surface.ROTATION_270;
1501            }
1502        }
1503
1504        mStatusBarHeight =
1505                res.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
1506
1507        // Height of the navigation bar when presented horizontally at bottom
1508        mNavigationBarHeightForRotation[mPortraitRotation] =
1509        mNavigationBarHeightForRotation[mUpsideDownRotation] =
1510                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_height);
1511        mNavigationBarHeightForRotation[mLandscapeRotation] =
1512        mNavigationBarHeightForRotation[mSeascapeRotation] = res.getDimensionPixelSize(
1513                com.android.internal.R.dimen.navigation_bar_height_landscape);
1514
1515        // Width of the navigation bar when presented vertically along one side
1516        mNavigationBarWidthForRotation[mPortraitRotation] =
1517        mNavigationBarWidthForRotation[mUpsideDownRotation] =
1518        mNavigationBarWidthForRotation[mLandscapeRotation] =
1519        mNavigationBarWidthForRotation[mSeascapeRotation] =
1520                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_width);
1521
1522        // SystemUI (status bar) layout policy
1523        int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT / density;
1524        int longSizeDp = longSize * DisplayMetrics.DENSITY_DEFAULT / density;
1525
1526        // Allow the navigation bar to move on non-square small devices (phones).
1527        mNavigationBarCanMove = width != height && shortSizeDp < 600;
1528
1529        mHasNavigationBar = res.getBoolean(com.android.internal.R.bool.config_showNavigationBar);
1530        // Allow a system property to override this. Used by the emulator.
1531        // See also hasNavigationBar().
1532        String navBarOverride = SystemProperties.get("qemu.hw.mainkeys");
1533        if ("1".equals(navBarOverride)) {
1534            mHasNavigationBar = false;
1535        } else if ("0".equals(navBarOverride)) {
1536            mHasNavigationBar = true;
1537        }
1538
1539        // For demo purposes, allow the rotation of the HDMI display to be controlled.
1540        // By default, HDMI locks rotation to landscape.
1541        if ("portrait".equals(SystemProperties.get("persist.demo.hdmirotation"))) {
1542            mDemoHdmiRotation = mPortraitRotation;
1543        } else {
1544            mDemoHdmiRotation = mLandscapeRotation;
1545        }
1546        mDemoHdmiRotationLock = SystemProperties.getBoolean("persist.demo.hdmirotationlock", false);
1547
1548        // For demo purposes, allow the rotation of the remote display to be controlled.
1549        // By default, remote display locks rotation to landscape.
1550        if ("portrait".equals(SystemProperties.get("persist.demo.remoterotation"))) {
1551            mDemoRotation = mPortraitRotation;
1552        } else {
1553            mDemoRotation = mLandscapeRotation;
1554        }
1555        mDemoRotationLock = SystemProperties.getBoolean(
1556                "persist.demo.rotationlock", false);
1557
1558        // Only force the default orientation if the screen is xlarge, at least 960dp x 720dp, per
1559        // http://developer.android.com/guide/practices/screens_support.html#range
1560        mForceDefaultOrientation = longSizeDp >= 960 && shortSizeDp >= 720 &&
1561                res.getBoolean(com.android.internal.R.bool.config_forceDefaultOrientation) &&
1562                // For debug purposes the next line turns this feature off with:
1563                // $ adb shell setprop config.override_forced_orient true
1564                // $ adb shell wm size reset
1565                !"true".equals(SystemProperties.get("config.override_forced_orient"));
1566    }
1567
1568    /**
1569     * @return whether the navigation bar can be hidden, e.g. the device has a
1570     *         navigation bar and touch exploration is not enabled
1571     */
1572    private boolean canHideNavigationBar() {
1573        return mHasNavigationBar
1574                && !mAccessibilityManager.isTouchExplorationEnabled();
1575    }
1576
1577    @Override
1578    public boolean isDefaultOrientationForced() {
1579        return mForceDefaultOrientation;
1580    }
1581
1582    @Override
1583    public void setDisplayOverscan(Display display, int left, int top, int right, int bottom) {
1584        if (display.getDisplayId() == Display.DEFAULT_DISPLAY) {
1585            mOverscanLeft = left;
1586            mOverscanTop = top;
1587            mOverscanRight = right;
1588            mOverscanBottom = bottom;
1589        }
1590    }
1591
1592    public void updateSettings() {
1593        ContentResolver resolver = mContext.getContentResolver();
1594        boolean updateRotation = false;
1595        synchronized (mLock) {
1596            mEndcallBehavior = Settings.System.getIntForUser(resolver,
1597                    Settings.System.END_BUTTON_BEHAVIOR,
1598                    Settings.System.END_BUTTON_BEHAVIOR_DEFAULT,
1599                    UserHandle.USER_CURRENT);
1600            mIncallPowerBehavior = Settings.Secure.getIntForUser(resolver,
1601                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
1602                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT,
1603                    UserHandle.USER_CURRENT);
1604
1605            // Configure wake gesture.
1606            boolean wakeGestureEnabledSetting = Settings.Secure.getIntForUser(resolver,
1607                    Settings.Secure.WAKE_GESTURE_ENABLED, 0,
1608                    UserHandle.USER_CURRENT) != 0;
1609            if (mWakeGestureEnabledSetting != wakeGestureEnabledSetting) {
1610                mWakeGestureEnabledSetting = wakeGestureEnabledSetting;
1611                updateWakeGestureListenerLp();
1612            }
1613
1614            // Configure rotation lock.
1615            int userRotation = Settings.System.getIntForUser(resolver,
1616                    Settings.System.USER_ROTATION, Surface.ROTATION_0,
1617                    UserHandle.USER_CURRENT);
1618            if (mUserRotation != userRotation) {
1619                mUserRotation = userRotation;
1620                updateRotation = true;
1621            }
1622            int userRotationMode = Settings.System.getIntForUser(resolver,
1623                    Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
1624                            WindowManagerPolicy.USER_ROTATION_FREE :
1625                                    WindowManagerPolicy.USER_ROTATION_LOCKED;
1626            if (mUserRotationMode != userRotationMode) {
1627                mUserRotationMode = userRotationMode;
1628                updateRotation = true;
1629                updateOrientationListenerLp();
1630            }
1631
1632            if (mSystemReady) {
1633                int pointerLocation = Settings.System.getIntForUser(resolver,
1634                        Settings.System.POINTER_LOCATION, 0, UserHandle.USER_CURRENT);
1635                if (mPointerLocationMode != pointerLocation) {
1636                    mPointerLocationMode = pointerLocation;
1637                    mHandler.sendEmptyMessage(pointerLocation != 0 ?
1638                            MSG_ENABLE_POINTER_LOCATION : MSG_DISABLE_POINTER_LOCATION);
1639                }
1640            }
1641            // use screen off timeout setting as the timeout for the lockscreen
1642            mLockScreenTimeout = Settings.System.getIntForUser(resolver,
1643                    Settings.System.SCREEN_OFF_TIMEOUT, 0, UserHandle.USER_CURRENT);
1644            String imId = Settings.Secure.getStringForUser(resolver,
1645                    Settings.Secure.DEFAULT_INPUT_METHOD, UserHandle.USER_CURRENT);
1646            boolean hasSoftInput = imId != null && imId.length() > 0;
1647            if (mHasSoftInput != hasSoftInput) {
1648                mHasSoftInput = hasSoftInput;
1649                updateRotation = true;
1650            }
1651            if (mImmersiveModeConfirmation != null) {
1652                mImmersiveModeConfirmation.loadSetting(mCurrentUserId);
1653            }
1654            PolicyControl.reloadFromSetting(mContext);
1655        }
1656        if (updateRotation) {
1657            updateRotation(true);
1658        }
1659    }
1660
1661    private void updateWakeGestureListenerLp() {
1662        if (shouldEnableWakeGestureLp()) {
1663            mWakeGestureListener.requestWakeUpTrigger();
1664        } else {
1665            mWakeGestureListener.cancelWakeUpTrigger();
1666        }
1667    }
1668
1669    private boolean shouldEnableWakeGestureLp() {
1670        return mWakeGestureEnabledSetting && !mAwake
1671                && (!mLidControlsSleep || mLidState != LID_CLOSED)
1672                && mWakeGestureListener.isSupported();
1673    }
1674
1675    private void enablePointerLocation() {
1676        if (mPointerLocationView == null) {
1677            mPointerLocationView = new PointerLocationView(mContext);
1678            mPointerLocationView.setPrintCoords(false);
1679            WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
1680                    WindowManager.LayoutParams.MATCH_PARENT,
1681                    WindowManager.LayoutParams.MATCH_PARENT);
1682            lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
1683            lp.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN
1684                    | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
1685                    | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
1686                    | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
1687            if (ActivityManager.isHighEndGfx()) {
1688                lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
1689                lp.privateFlags |=
1690                        WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED;
1691            }
1692            lp.format = PixelFormat.TRANSLUCENT;
1693            lp.setTitle("PointerLocation");
1694            WindowManager wm = (WindowManager)
1695                    mContext.getSystemService(Context.WINDOW_SERVICE);
1696            lp.inputFeatures |= WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL;
1697            wm.addView(mPointerLocationView, lp);
1698            mWindowManagerFuncs.registerPointerEventListener(mPointerLocationView);
1699        }
1700    }
1701
1702    private void disablePointerLocation() {
1703        if (mPointerLocationView != null) {
1704            mWindowManagerFuncs.unregisterPointerEventListener(mPointerLocationView);
1705            WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
1706            wm.removeView(mPointerLocationView);
1707            mPointerLocationView = null;
1708        }
1709    }
1710
1711    private int readRotation(int resID) {
1712        try {
1713            int rotation = mContext.getResources().getInteger(resID);
1714            switch (rotation) {
1715                case 0:
1716                    return Surface.ROTATION_0;
1717                case 90:
1718                    return Surface.ROTATION_90;
1719                case 180:
1720                    return Surface.ROTATION_180;
1721                case 270:
1722                    return Surface.ROTATION_270;
1723            }
1724        } catch (Resources.NotFoundException e) {
1725            // fall through
1726        }
1727        return -1;
1728    }
1729
1730    /** {@inheritDoc} */
1731    @Override
1732    public int checkAddPermission(WindowManager.LayoutParams attrs, int[] outAppOp) {
1733        int type = attrs.type;
1734
1735        outAppOp[0] = AppOpsManager.OP_NONE;
1736
1737        if (!((type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW)
1738                || (type >= FIRST_SUB_WINDOW && type <= LAST_SUB_WINDOW)
1739                || (type >= FIRST_SYSTEM_WINDOW && type <= LAST_SYSTEM_WINDOW))) {
1740            return WindowManagerGlobal.ADD_INVALID_TYPE;
1741        }
1742
1743        if (type < FIRST_SYSTEM_WINDOW || type > LAST_SYSTEM_WINDOW) {
1744            // Window manager will make sure these are okay.
1745            return WindowManagerGlobal.ADD_OKAY;
1746        }
1747        String permission = null;
1748        switch (type) {
1749            case TYPE_TOAST:
1750                // XXX right now the app process has complete control over
1751                // this...  should introduce a token to let the system
1752                // monitor/control what they are doing.
1753                outAppOp[0] = AppOpsManager.OP_TOAST_WINDOW;
1754                break;
1755            case TYPE_DREAM:
1756            case TYPE_INPUT_METHOD:
1757            case TYPE_WALLPAPER:
1758            case TYPE_PRIVATE_PRESENTATION:
1759            case TYPE_VOICE_INTERACTION:
1760            case TYPE_ACCESSIBILITY_OVERLAY:
1761                // The window manager will check these.
1762                break;
1763            case TYPE_PHONE:
1764            case TYPE_PRIORITY_PHONE:
1765            case TYPE_SYSTEM_ALERT:
1766            case TYPE_SYSTEM_ERROR:
1767            case TYPE_SYSTEM_OVERLAY:
1768                permission = android.Manifest.permission.SYSTEM_ALERT_WINDOW;
1769                outAppOp[0] = AppOpsManager.OP_SYSTEM_ALERT_WINDOW;
1770                break;
1771            default:
1772                permission = android.Manifest.permission.INTERNAL_SYSTEM_WINDOW;
1773        }
1774        if (permission != null) {
1775            if (mContext.checkCallingOrSelfPermission(permission)
1776                    != PackageManager.PERMISSION_GRANTED) {
1777                return WindowManagerGlobal.ADD_PERMISSION_DENIED;
1778            }
1779        }
1780        return WindowManagerGlobal.ADD_OKAY;
1781    }
1782
1783    @Override
1784    public boolean checkShowToOwnerOnly(WindowManager.LayoutParams attrs) {
1785
1786        // If this switch statement is modified, modify the comment in the declarations of
1787        // the type in {@link WindowManager.LayoutParams} as well.
1788        switch (attrs.type) {
1789            default:
1790                // These are the windows that by default are shown only to the user that created
1791                // them. If this needs to be overridden, set
1792                // {@link WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS} in
1793                // {@link WindowManager.LayoutParams}. Note that permission
1794                // {@link android.Manifest.permission.INTERNAL_SYSTEM_WINDOW} is required as well.
1795                if ((attrs.privateFlags & PRIVATE_FLAG_SHOW_FOR_ALL_USERS) == 0) {
1796                    return true;
1797                }
1798                break;
1799
1800            // These are the windows that by default are shown to all users. However, to
1801            // protect against spoofing, check permissions below.
1802            case TYPE_APPLICATION_STARTING:
1803            case TYPE_BOOT_PROGRESS:
1804            case TYPE_DISPLAY_OVERLAY:
1805            case TYPE_HIDDEN_NAV_CONSUMER:
1806            case TYPE_KEYGUARD_SCRIM:
1807            case TYPE_KEYGUARD_DIALOG:
1808            case TYPE_MAGNIFICATION_OVERLAY:
1809            case TYPE_NAVIGATION_BAR:
1810            case TYPE_NAVIGATION_BAR_PANEL:
1811            case TYPE_PHONE:
1812            case TYPE_POINTER:
1813            case TYPE_PRIORITY_PHONE:
1814            case TYPE_SEARCH_BAR:
1815            case TYPE_STATUS_BAR:
1816            case TYPE_STATUS_BAR_PANEL:
1817            case TYPE_STATUS_BAR_SUB_PANEL:
1818            case TYPE_SYSTEM_DIALOG:
1819            case TYPE_VOLUME_OVERLAY:
1820            case TYPE_PRIVATE_PRESENTATION:
1821                break;
1822        }
1823
1824        // Check if third party app has set window to system window type.
1825        return mContext.checkCallingOrSelfPermission(
1826                android.Manifest.permission.INTERNAL_SYSTEM_WINDOW)
1827                        != PackageManager.PERMISSION_GRANTED;
1828    }
1829
1830    @Override
1831    public void adjustWindowParamsLw(WindowManager.LayoutParams attrs) {
1832        switch (attrs.type) {
1833            case TYPE_SYSTEM_OVERLAY:
1834            case TYPE_SECURE_SYSTEM_OVERLAY:
1835                // These types of windows can't receive input events.
1836                attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
1837                        | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
1838                attrs.flags &= ~WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
1839                break;
1840            case TYPE_STATUS_BAR:
1841
1842                // If the Keyguard is in a hidden state (occluded by another window), we force to
1843                // remove the wallpaper and keyguard flag so that any change in-flight after setting
1844                // the keyguard as occluded wouldn't set these flags again.
1845                // See {@link #processKeyguardSetHiddenResultLw}.
1846                if (mKeyguardHidden) {
1847                    attrs.flags &= ~WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
1848                    attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
1849                }
1850                break;
1851        }
1852
1853        if (attrs.type != TYPE_STATUS_BAR) {
1854            // The status bar is the only window allowed to exhibit keyguard behavior.
1855            attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
1856        }
1857
1858        if (ActivityManager.isHighEndGfx()
1859                && (attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0) {
1860            attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
1861                    | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
1862        }
1863    }
1864
1865    void readLidState() {
1866        mLidState = mWindowManagerFuncs.getLidState();
1867    }
1868
1869    private void readCameraLensCoverState() {
1870        mCameraLensCoverState = mWindowManagerFuncs.getCameraLensCoverState();
1871    }
1872
1873    private boolean isHidden(int accessibilityMode) {
1874        switch (accessibilityMode) {
1875            case 1:
1876                return mLidState == LID_CLOSED;
1877            case 2:
1878                return mLidState == LID_OPEN;
1879            default:
1880                return false;
1881        }
1882    }
1883
1884    /** {@inheritDoc} */
1885    @Override
1886    public void adjustConfigurationLw(Configuration config, int keyboardPresence,
1887            int navigationPresence) {
1888        mHaveBuiltInKeyboard = (keyboardPresence & PRESENCE_INTERNAL) != 0;
1889
1890        readConfigurationDependentBehaviors();
1891        readLidState();
1892        applyLidSwitchState();
1893
1894        if (config.keyboard == Configuration.KEYBOARD_NOKEYS
1895                || (keyboardPresence == PRESENCE_INTERNAL
1896                        && isHidden(mLidKeyboardAccessibility))) {
1897            config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_YES;
1898            if (!mHasSoftInput) {
1899                config.keyboardHidden = Configuration.KEYBOARDHIDDEN_YES;
1900            }
1901        }
1902
1903        if (config.navigation == Configuration.NAVIGATION_NONAV
1904                || (navigationPresence == PRESENCE_INTERNAL
1905                        && isHidden(mLidNavigationAccessibility))) {
1906            config.navigationHidden = Configuration.NAVIGATIONHIDDEN_YES;
1907        }
1908    }
1909
1910    /** {@inheritDoc} */
1911    @Override
1912    public int windowTypeToLayerLw(int type) {
1913        if (type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW) {
1914            return 2;
1915        }
1916        switch (type) {
1917        case TYPE_PRIVATE_PRESENTATION:
1918            return 2;
1919        case TYPE_WALLPAPER:
1920            // wallpaper is at the bottom, though the window manager may move it.
1921            return 2;
1922        case TYPE_PHONE:
1923            return 3;
1924        case TYPE_SEARCH_BAR:
1925        case TYPE_VOICE_INTERACTION_STARTING:
1926            return 4;
1927        case TYPE_VOICE_INTERACTION:
1928            // voice interaction layer is almost immediately above apps.
1929            return 5;
1930        case TYPE_SYSTEM_DIALOG:
1931            return 6;
1932        case TYPE_TOAST:
1933            // toasts and the plugged-in battery thing
1934            return 7;
1935        case TYPE_PRIORITY_PHONE:
1936            // SIM errors and unlock.  Not sure if this really should be in a high layer.
1937            return 8;
1938        case TYPE_DREAM:
1939            // used for Dreams (screensavers with TYPE_DREAM windows)
1940            return 9;
1941        case TYPE_SYSTEM_ALERT:
1942            // like the ANR / app crashed dialogs
1943            return 10;
1944        case TYPE_INPUT_METHOD:
1945            // on-screen keyboards and other such input method user interfaces go here.
1946            return 11;
1947        case TYPE_INPUT_METHOD_DIALOG:
1948            // on-screen keyboards and other such input method user interfaces go here.
1949            return 12;
1950        case TYPE_KEYGUARD_SCRIM:
1951            // the safety window that shows behind keyguard while keyguard is starting
1952            return 13;
1953        case TYPE_STATUS_BAR_SUB_PANEL:
1954            return 14;
1955        case TYPE_STATUS_BAR:
1956            return 15;
1957        case TYPE_STATUS_BAR_PANEL:
1958            return 16;
1959        case TYPE_KEYGUARD_DIALOG:
1960            return 17;
1961        case TYPE_VOLUME_OVERLAY:
1962            // the on-screen volume indicator and controller shown when the user
1963            // changes the device volume
1964            return 18;
1965        case TYPE_SYSTEM_OVERLAY:
1966            // the on-screen volume indicator and controller shown when the user
1967            // changes the device volume
1968            return 19;
1969        case TYPE_NAVIGATION_BAR:
1970            // the navigation bar, if available, shows atop most things
1971            return 20;
1972        case TYPE_NAVIGATION_BAR_PANEL:
1973            // some panels (e.g. search) need to show on top of the navigation bar
1974            return 21;
1975        case TYPE_SYSTEM_ERROR:
1976            // system-level error dialogs
1977            return 22;
1978        case TYPE_MAGNIFICATION_OVERLAY:
1979            // used to highlight the magnified portion of a display
1980            return 23;
1981        case TYPE_DISPLAY_OVERLAY:
1982            // used to simulate secondary display devices
1983            return 24;
1984        case TYPE_DRAG:
1985            // the drag layer: input for drag-and-drop is associated with this window,
1986            // which sits above all other focusable windows
1987            return 25;
1988        case TYPE_ACCESSIBILITY_OVERLAY:
1989            // overlay put by accessibility services to intercept user interaction
1990            return 26;
1991        case TYPE_SECURE_SYSTEM_OVERLAY:
1992            return 27;
1993        case TYPE_BOOT_PROGRESS:
1994            return 28;
1995        case TYPE_POINTER:
1996            // the (mouse) pointer layer
1997            return 29;
1998        case TYPE_HIDDEN_NAV_CONSUMER:
1999            return 30;
2000        }
2001        Log.e(TAG, "Unknown window type: " + type);
2002        return 2;
2003    }
2004
2005    /** {@inheritDoc} */
2006    @Override
2007    public int subWindowTypeToLayerLw(int type) {
2008        switch (type) {
2009        case TYPE_APPLICATION_PANEL:
2010        case TYPE_APPLICATION_ATTACHED_DIALOG:
2011            return APPLICATION_PANEL_SUBLAYER;
2012        case TYPE_APPLICATION_MEDIA:
2013            return APPLICATION_MEDIA_SUBLAYER;
2014        case TYPE_APPLICATION_MEDIA_OVERLAY:
2015            return APPLICATION_MEDIA_OVERLAY_SUBLAYER;
2016        case TYPE_APPLICATION_SUB_PANEL:
2017            return APPLICATION_SUB_PANEL_SUBLAYER;
2018        }
2019        Log.e(TAG, "Unknown sub-window type: " + type);
2020        return 0;
2021    }
2022
2023    @Override
2024    public int getMaxWallpaperLayer() {
2025        return windowTypeToLayerLw(TYPE_STATUS_BAR);
2026    }
2027
2028    @Override
2029    public int getNonDecorDisplayWidth(int fullWidth, int fullHeight, int rotation) {
2030        if (mHasNavigationBar) {
2031            // For a basic navigation bar, when we are in landscape mode we place
2032            // the navigation bar to the side.
2033            if (mNavigationBarCanMove && fullWidth > fullHeight) {
2034                return fullWidth - mNavigationBarWidthForRotation[rotation];
2035            }
2036        }
2037        return fullWidth;
2038    }
2039
2040    @Override
2041    public int getNonDecorDisplayHeight(int fullWidth, int fullHeight, int rotation) {
2042        if (mHasNavigationBar) {
2043            // For a basic navigation bar, when we are in portrait mode we place
2044            // the navigation bar to the bottom.
2045            if (!mNavigationBarCanMove || fullWidth < fullHeight) {
2046                return fullHeight - mNavigationBarHeightForRotation[rotation];
2047            }
2048        }
2049        return fullHeight;
2050    }
2051
2052    @Override
2053    public int getConfigDisplayWidth(int fullWidth, int fullHeight, int rotation) {
2054        return getNonDecorDisplayWidth(fullWidth, fullHeight, rotation);
2055    }
2056
2057    @Override
2058    public int getConfigDisplayHeight(int fullWidth, int fullHeight, int rotation) {
2059        // There is a separate status bar at the top of the display.  We don't count that as part
2060        // of the fixed decor, since it can hide; however, for purposes of configurations,
2061        // we do want to exclude it since applications can't generally use that part
2062        // of the screen.
2063        return getNonDecorDisplayHeight(fullWidth, fullHeight, rotation) - mStatusBarHeight;
2064    }
2065
2066    @Override
2067    public boolean isForceHiding(WindowManager.LayoutParams attrs) {
2068        return (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 ||
2069                (isKeyguardHostWindow(attrs) &&
2070                        (mKeyguardDelegate != null && mKeyguardDelegate.isShowing())) ||
2071                (attrs.type == TYPE_KEYGUARD_SCRIM);
2072    }
2073
2074    @Override
2075    public boolean isKeyguardHostWindow(WindowManager.LayoutParams attrs) {
2076        return attrs.type == TYPE_STATUS_BAR;
2077    }
2078
2079    @Override
2080    public boolean canBeForceHidden(WindowState win, WindowManager.LayoutParams attrs) {
2081        switch (attrs.type) {
2082            case TYPE_STATUS_BAR:
2083            case TYPE_NAVIGATION_BAR:
2084            case TYPE_WALLPAPER:
2085            case TYPE_DREAM:
2086            case TYPE_KEYGUARD_SCRIM:
2087                return false;
2088            default:
2089                return true;
2090        }
2091    }
2092
2093    @Override
2094    public WindowState getWinShowWhenLockedLw() {
2095        return mWinShowWhenLocked;
2096    }
2097
2098    /** {@inheritDoc} */
2099    @Override
2100    public View addStartingWindow(IBinder appToken, String packageName, int theme,
2101            CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes,
2102            int icon, int logo, int windowFlags) {
2103        if (!SHOW_STARTING_ANIMATIONS) {
2104            return null;
2105        }
2106        if (packageName == null) {
2107            return null;
2108        }
2109
2110        WindowManager wm = null;
2111        View view = null;
2112
2113        try {
2114            Context context = mContext;
2115            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow " + packageName
2116                    + ": nonLocalizedLabel=" + nonLocalizedLabel + " theme="
2117                    + Integer.toHexString(theme));
2118            if (theme != context.getThemeResId() || labelRes != 0) {
2119                try {
2120                    context = context.createPackageContext(packageName, 0);
2121                    context.setTheme(theme);
2122                } catch (PackageManager.NameNotFoundException e) {
2123                    // Ignore
2124                }
2125            }
2126
2127            Window win = new PhoneWindow(context);
2128            final TypedArray ta = win.getWindowStyle();
2129            if (ta.getBoolean(
2130                        com.android.internal.R.styleable.Window_windowDisablePreview, false)
2131                || ta.getBoolean(
2132                        com.android.internal.R.styleable.Window_windowShowWallpaper,false)) {
2133                return null;
2134            }
2135
2136            Resources r = context.getResources();
2137            win.setTitle(r.getText(labelRes, nonLocalizedLabel));
2138
2139            win.setType(
2140                WindowManager.LayoutParams.TYPE_APPLICATION_STARTING);
2141            // Force the window flags: this is a fake window, so it is not really
2142            // touchable or focusable by the user.  We also add in the ALT_FOCUSABLE_IM
2143            // flag because we do know that the next window will take input
2144            // focus, so we want to get the IME window up on top of us right away.
2145            win.setFlags(
2146                windowFlags|
2147                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2148                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2149                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
2150                windowFlags|
2151                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2152                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2153                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
2154
2155            win.setDefaultIcon(icon);
2156            win.setDefaultLogo(logo);
2157
2158            win.setLayout(WindowManager.LayoutParams.MATCH_PARENT,
2159                    WindowManager.LayoutParams.MATCH_PARENT);
2160
2161            final WindowManager.LayoutParams params = win.getAttributes();
2162            params.token = appToken;
2163            params.packageName = packageName;
2164            params.windowAnimations = win.getWindowStyle().getResourceId(
2165                    com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
2166            params.privateFlags |=
2167                    WindowManager.LayoutParams.PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED;
2168            params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
2169
2170            if (!compatInfo.supportsScreen()) {
2171                params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW;
2172            }
2173
2174            params.setTitle("Starting " + packageName);
2175
2176            wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
2177            view = win.getDecorView();
2178
2179            if (win.isFloating()) {
2180                // Whoops, there is no way to display an animation/preview
2181                // of such a thing!  After all that work...  let's skip it.
2182                // (Note that we must do this here because it is in
2183                // getDecorView() where the theme is evaluated...  maybe
2184                // we should peek the floating attribute from the theme
2185                // earlier.)
2186                return null;
2187            }
2188
2189            if (DEBUG_STARTING_WINDOW) Slog.d(
2190                TAG, "Adding starting window for " + packageName
2191                + " / " + appToken + ": "
2192                + (view.getParent() != null ? view : null));
2193
2194            wm.addView(view, params);
2195
2196            // Only return the view if it was successfully added to the
2197            // window manager... which we can tell by it having a parent.
2198            return view.getParent() != null ? view : null;
2199        } catch (WindowManager.BadTokenException e) {
2200            // ignore
2201            Log.w(TAG, appToken + " already running, starting window not displayed. " +
2202                    e.getMessage());
2203        } catch (RuntimeException e) {
2204            // don't crash if something else bad happens, for example a
2205            // failure loading resources because we are loading from an app
2206            // on external storage that has been unmounted.
2207            Log.w(TAG, appToken + " failed creating starting window", e);
2208        } finally {
2209            if (view != null && view.getParent() == null) {
2210                Log.w(TAG, "view not successfully added to wm, removing view");
2211                wm.removeViewImmediate(view);
2212            }
2213        }
2214
2215        return null;
2216    }
2217
2218    /** {@inheritDoc} */
2219    @Override
2220    public void removeStartingWindow(IBinder appToken, View window) {
2221        if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Removing starting window for " + appToken + ": "
2222                + window + " Callers=" + Debug.getCallers(4));
2223
2224        if (window != null) {
2225            WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
2226            wm.removeView(window);
2227        }
2228    }
2229
2230    /**
2231     * Preflight adding a window to the system.
2232     *
2233     * Currently enforces that three window types are singletons:
2234     * <ul>
2235     * <li>STATUS_BAR_TYPE</li>
2236     * <li>KEYGUARD_TYPE</li>
2237     * </ul>
2238     *
2239     * @param win The window to be added
2240     * @param attrs Information about the window to be added
2241     *
2242     * @return If ok, WindowManagerImpl.ADD_OKAY.  If too many singletons,
2243     * WindowManagerImpl.ADD_MULTIPLE_SINGLETON
2244     */
2245    @Override
2246    public int prepareAddWindowLw(WindowState win, WindowManager.LayoutParams attrs) {
2247        switch (attrs.type) {
2248            case TYPE_STATUS_BAR:
2249                mContext.enforceCallingOrSelfPermission(
2250                        android.Manifest.permission.STATUS_BAR_SERVICE,
2251                        "PhoneWindowManager");
2252                if (mStatusBar != null) {
2253                    if (mStatusBar.isAlive()) {
2254                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2255                    }
2256                }
2257                mStatusBar = win;
2258                mStatusBarController.setWindow(win);
2259                break;
2260            case TYPE_NAVIGATION_BAR:
2261                mContext.enforceCallingOrSelfPermission(
2262                        android.Manifest.permission.STATUS_BAR_SERVICE,
2263                        "PhoneWindowManager");
2264                if (mNavigationBar != null) {
2265                    if (mNavigationBar.isAlive()) {
2266                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2267                    }
2268                }
2269                mNavigationBar = win;
2270                mNavigationBarController.setWindow(win);
2271                if (DEBUG_LAYOUT) Slog.i(TAG, "NAVIGATION BAR: " + mNavigationBar);
2272                break;
2273            case TYPE_NAVIGATION_BAR_PANEL:
2274            case TYPE_STATUS_BAR_PANEL:
2275            case TYPE_STATUS_BAR_SUB_PANEL:
2276            case TYPE_VOICE_INTERACTION_STARTING:
2277                mContext.enforceCallingOrSelfPermission(
2278                        android.Manifest.permission.STATUS_BAR_SERVICE,
2279                        "PhoneWindowManager");
2280                break;
2281            case TYPE_KEYGUARD_SCRIM:
2282                if (mKeyguardScrim != null) {
2283                    return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2284                }
2285                mKeyguardScrim = win;
2286                break;
2287        }
2288        return WindowManagerGlobal.ADD_OKAY;
2289    }
2290
2291    /** {@inheritDoc} */
2292    @Override
2293    public void removeWindowLw(WindowState win) {
2294        if (mStatusBar == win) {
2295            mStatusBar = null;
2296            mStatusBarController.setWindow(null);
2297            mKeyguardDelegate.showScrim();
2298        } else if (mKeyguardScrim == win) {
2299            Log.v(TAG, "Removing keyguard scrim");
2300            mKeyguardScrim = null;
2301        } if (mNavigationBar == win) {
2302            mNavigationBar = null;
2303            mNavigationBarController.setWindow(null);
2304        }
2305    }
2306
2307    static final boolean PRINT_ANIM = false;
2308
2309    /** {@inheritDoc} */
2310    @Override
2311    public int selectAnimationLw(WindowState win, int transit) {
2312        if (PRINT_ANIM) Log.i(TAG, "selectAnimation in " + win
2313              + ": transit=" + transit);
2314        if (win == mStatusBar) {
2315            boolean isKeyguard = (win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
2316            if (transit == TRANSIT_EXIT
2317                    || transit == TRANSIT_HIDE) {
2318                return isKeyguard ? -1 : R.anim.dock_top_exit;
2319            } else if (transit == TRANSIT_ENTER
2320                    || transit == TRANSIT_SHOW) {
2321                return isKeyguard ? -1 : R.anim.dock_top_enter;
2322            }
2323        } else if (win == mNavigationBar) {
2324            // This can be on either the bottom or the right.
2325            if (mNavigationBarOnBottom) {
2326                if (transit == TRANSIT_EXIT
2327                        || transit == TRANSIT_HIDE) {
2328                    return R.anim.dock_bottom_exit;
2329                } else if (transit == TRANSIT_ENTER
2330                        || transit == TRANSIT_SHOW) {
2331                    return R.anim.dock_bottom_enter;
2332                }
2333            } else {
2334                if (transit == TRANSIT_EXIT
2335                        || transit == TRANSIT_HIDE) {
2336                    return R.anim.dock_right_exit;
2337                } else if (transit == TRANSIT_ENTER
2338                        || transit == TRANSIT_SHOW) {
2339                    return R.anim.dock_right_enter;
2340                }
2341            }
2342        }
2343
2344        if (transit == TRANSIT_PREVIEW_DONE) {
2345            if (win.hasAppShownWindows()) {
2346                if (PRINT_ANIM) Log.i(TAG, "**** STARTING EXIT");
2347                return com.android.internal.R.anim.app_starting_exit;
2348            }
2349        } else if (win.getAttrs().type == TYPE_DREAM && mDreamingLockscreen
2350                && transit == TRANSIT_ENTER) {
2351            // Special case: we are animating in a dream, while the keyguard
2352            // is shown.  We don't want an animation on the dream, because
2353            // we need it shown immediately with the keyguard animating away
2354            // to reveal it.
2355            return -1;
2356        }
2357
2358        return 0;
2359    }
2360
2361    @Override
2362    public void selectRotationAnimationLw(int anim[]) {
2363        if (PRINT_ANIM) Slog.i(TAG, "selectRotationAnimation mTopFullscreen="
2364                + mTopFullscreenOpaqueWindowState + " rotationAnimation="
2365                + (mTopFullscreenOpaqueWindowState == null ?
2366                        "0" : mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation));
2367        if (mTopFullscreenOpaqueWindowState != null && mTopIsFullscreen) {
2368            switch (mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation) {
2369                case ROTATION_ANIMATION_CROSSFADE:
2370                    anim[0] = R.anim.rotation_animation_xfade_exit;
2371                    anim[1] = R.anim.rotation_animation_enter;
2372                    break;
2373                case ROTATION_ANIMATION_JUMPCUT:
2374                    anim[0] = R.anim.rotation_animation_jump_exit;
2375                    anim[1] = R.anim.rotation_animation_enter;
2376                    break;
2377                case ROTATION_ANIMATION_ROTATE:
2378                default:
2379                    anim[0] = anim[1] = 0;
2380                    break;
2381            }
2382        } else {
2383            anim[0] = anim[1] = 0;
2384        }
2385    }
2386
2387    @Override
2388    public boolean validateRotationAnimationLw(int exitAnimId, int enterAnimId,
2389            boolean forceDefault) {
2390        switch (exitAnimId) {
2391            case R.anim.rotation_animation_xfade_exit:
2392            case R.anim.rotation_animation_jump_exit:
2393                // These are the only cases that matter.
2394                if (forceDefault) {
2395                    return false;
2396                }
2397                int anim[] = new int[2];
2398                selectRotationAnimationLw(anim);
2399                return (exitAnimId == anim[0] && enterAnimId == anim[1]);
2400            default:
2401                return true;
2402        }
2403    }
2404
2405    @Override
2406    public Animation createForceHideEnterAnimation(boolean onWallpaper,
2407            boolean goingToNotificationShade) {
2408        if (goingToNotificationShade) {
2409            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_behind_enter_fade_in);
2410        }
2411
2412        AnimationSet set = (AnimationSet) AnimationUtils.loadAnimation(mContext, onWallpaper ?
2413                    R.anim.lock_screen_behind_enter_wallpaper :
2414                    R.anim.lock_screen_behind_enter);
2415
2416        // TODO: Use XML interpolators when we have log interpolators available in XML.
2417        final List<Animation> animations = set.getAnimations();
2418        for (int i = animations.size() - 1; i >= 0; --i) {
2419            animations.get(i).setInterpolator(mLogDecelerateInterpolator);
2420        }
2421
2422        return set;
2423    }
2424
2425
2426    @Override
2427    public Animation createForceHideWallpaperExitAnimation(boolean goingToNotificationShade) {
2428        if (goingToNotificationShade) {
2429            return null;
2430        } else {
2431            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_wallpaper_exit);
2432        }
2433    }
2434
2435    private static void awakenDreams() {
2436        IDreamManager dreamManager = getDreamManager();
2437        if (dreamManager != null) {
2438            try {
2439                dreamManager.awaken();
2440            } catch (RemoteException e) {
2441                // fine, stay asleep then
2442            }
2443        }
2444    }
2445
2446    static IDreamManager getDreamManager() {
2447        return IDreamManager.Stub.asInterface(
2448                ServiceManager.checkService(DreamService.DREAM_SERVICE));
2449    }
2450
2451    TelecomManager getTelecommService() {
2452        return (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE);
2453    }
2454
2455    static IAudioService getAudioService() {
2456        IAudioService audioService = IAudioService.Stub.asInterface(
2457                ServiceManager.checkService(Context.AUDIO_SERVICE));
2458        if (audioService == null) {
2459            Log.w(TAG, "Unable to find IAudioService interface.");
2460        }
2461        return audioService;
2462    }
2463
2464    boolean keyguardOn() {
2465        return isKeyguardShowingAndNotOccluded() || inKeyguardRestrictedKeyInputMode();
2466    }
2467
2468    private static final int[] WINDOW_TYPES_WHERE_HOME_DOESNT_WORK = {
2469            WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
2470            WindowManager.LayoutParams.TYPE_SYSTEM_ERROR,
2471        };
2472
2473    /** {@inheritDoc} */
2474    @Override
2475    public long interceptKeyBeforeDispatching(WindowState win, KeyEvent event, int policyFlags) {
2476        final boolean keyguardOn = keyguardOn();
2477        final int keyCode = event.getKeyCode();
2478        final int repeatCount = event.getRepeatCount();
2479        final int metaState = event.getMetaState();
2480        final int flags = event.getFlags();
2481        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
2482        final boolean canceled = event.isCanceled();
2483
2484        if (DEBUG_INPUT) {
2485            Log.d(TAG, "interceptKeyTi keyCode=" + keyCode + " down=" + down + " repeatCount="
2486                    + repeatCount + " keyguardOn=" + keyguardOn + " mHomePressed=" + mHomePressed
2487                    + " canceled=" + canceled);
2488        }
2489
2490        // If we think we might have a volume down & power key chord on the way
2491        // but we're not sure, then tell the dispatcher to wait a little while and
2492        // try again later before dispatching.
2493        if (mScreenshotChordEnabled && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
2494            if (mScreenshotChordVolumeDownKeyTriggered && !mScreenshotChordPowerKeyTriggered) {
2495                final long now = SystemClock.uptimeMillis();
2496                final long timeoutTime = mScreenshotChordVolumeDownKeyTime
2497                        + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
2498                if (now < timeoutTime) {
2499                    return timeoutTime - now;
2500                }
2501            }
2502            if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
2503                    && mScreenshotChordVolumeDownKeyConsumed) {
2504                if (!down) {
2505                    mScreenshotChordVolumeDownKeyConsumed = false;
2506                }
2507                return -1;
2508            }
2509        }
2510
2511        // Cancel any pending meta actions if we see any other keys being pressed between the down
2512        // of the meta key and its corresponding up.
2513        if (mPendingMetaAction && !KeyEvent.isMetaKey(keyCode)) {
2514            mPendingMetaAction = false;
2515        }
2516
2517        // First we always handle the home key here, so applications
2518        // can never break it, although if keyguard is on, we do let
2519        // it handle it, because that gives us the correct 5 second
2520        // timeout.
2521        if (keyCode == KeyEvent.KEYCODE_HOME) {
2522
2523            // If we have released the home key, and didn't do anything else
2524            // while it was pressed, then it is time to go home!
2525            if (!down) {
2526                cancelPreloadRecentApps();
2527
2528                mHomePressed = false;
2529                if (mHomeConsumed) {
2530                    mHomeConsumed = false;
2531                    return -1;
2532                }
2533
2534                if (canceled) {
2535                    Log.i(TAG, "Ignoring HOME; event canceled.");
2536                    return -1;
2537                }
2538
2539                // If an incoming call is ringing, HOME is totally disabled.
2540                // (The user is already on the InCallUI at this point,
2541                // and his ONLY options are to answer or reject the call.)
2542                TelecomManager telecomManager = getTelecommService();
2543                if (telecomManager != null && telecomManager.isRinging()) {
2544                    Log.i(TAG, "Ignoring HOME; there's a ringing incoming call.");
2545                    return -1;
2546                }
2547
2548                // Delay handling home if a double-tap is possible.
2549                if (mDoubleTapOnHomeBehavior != DOUBLE_TAP_HOME_NOTHING) {
2550                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable); // just in case
2551                    mHomeDoubleTapPending = true;
2552                    mHandler.postDelayed(mHomeDoubleTapTimeoutRunnable,
2553                            ViewConfiguration.getDoubleTapTimeout());
2554                    return -1;
2555                }
2556
2557                handleShortPressOnHome();
2558                return -1;
2559            }
2560
2561            // If a system window has focus, then it doesn't make sense
2562            // right now to interact with applications.
2563            WindowManager.LayoutParams attrs = win != null ? win.getAttrs() : null;
2564            if (attrs != null) {
2565                final int type = attrs.type;
2566                if (type == WindowManager.LayoutParams.TYPE_KEYGUARD_SCRIM
2567                        || type == WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG
2568                        || (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
2569                    // the "app" is keyguard, so give it the key
2570                    return 0;
2571                }
2572                final int typeCount = WINDOW_TYPES_WHERE_HOME_DOESNT_WORK.length;
2573                for (int i=0; i<typeCount; i++) {
2574                    if (type == WINDOW_TYPES_WHERE_HOME_DOESNT_WORK[i]) {
2575                        // don't do anything, but also don't pass it to the app
2576                        return -1;
2577                    }
2578                }
2579            }
2580
2581            // Remember that home is pressed and handle special actions.
2582            if (repeatCount == 0) {
2583                mHomePressed = true;
2584                if (mHomeDoubleTapPending) {
2585                    mHomeDoubleTapPending = false;
2586                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable);
2587                    handleDoubleTapOnHome();
2588                } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI
2589                        || mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
2590                    preloadRecentApps();
2591                }
2592            } else if ((event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) {
2593                if (!keyguardOn) {
2594                    handleLongPressOnHome();
2595                }
2596            }
2597            return -1;
2598        } else if (keyCode == KeyEvent.KEYCODE_MENU) {
2599            // Hijack modified menu keys for debugging features
2600            final int chordBug = KeyEvent.META_SHIFT_ON;
2601
2602            if (down && repeatCount == 0) {
2603                if (mEnableShiftMenuBugReports && (metaState & chordBug) == chordBug) {
2604                    Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
2605                    mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT,
2606                            null, null, null, 0, null, null);
2607                    return -1;
2608                } else if (SHOW_PROCESSES_ON_ALT_MENU &&
2609                        (metaState & KeyEvent.META_ALT_ON) == KeyEvent.META_ALT_ON) {
2610                    Intent service = new Intent();
2611                    service.setClassName(mContext, "com.android.server.LoadAverageService");
2612                    ContentResolver res = mContext.getContentResolver();
2613                    boolean shown = Settings.Global.getInt(
2614                            res, Settings.Global.SHOW_PROCESSES, 0) != 0;
2615                    if (!shown) {
2616                        mContext.startService(service);
2617                    } else {
2618                        mContext.stopService(service);
2619                    }
2620                    Settings.Global.putInt(
2621                            res, Settings.Global.SHOW_PROCESSES, shown ? 0 : 1);
2622                    return -1;
2623                }
2624            }
2625        } else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
2626            if (down) {
2627                if (repeatCount == 0) {
2628                    mSearchKeyShortcutPending = true;
2629                    mConsumeSearchKeyUp = false;
2630                }
2631            } else {
2632                mSearchKeyShortcutPending = false;
2633                if (mConsumeSearchKeyUp) {
2634                    mConsumeSearchKeyUp = false;
2635                    return -1;
2636                }
2637            }
2638            return 0;
2639        } else if (keyCode == KeyEvent.KEYCODE_APP_SWITCH) {
2640            if (!keyguardOn) {
2641                if (down && repeatCount == 0) {
2642                    preloadRecentApps();
2643                } else if (!down) {
2644                    toggleRecentApps();
2645                }
2646            }
2647            return -1;
2648        } else if (keyCode == KeyEvent.KEYCODE_ASSIST) {
2649            if (down) {
2650                if (repeatCount == 0) {
2651                    mAssistKeyLongPressed = false;
2652                } else if (repeatCount == 1) {
2653                    mAssistKeyLongPressed = true;
2654                    if (!keyguardOn) {
2655                         launchAssistLongPressAction();
2656                    }
2657                }
2658            } else {
2659                if (mAssistKeyLongPressed) {
2660                    mAssistKeyLongPressed = false;
2661                } else {
2662                    if (!keyguardOn) {
2663                        launchAssistAction();
2664                    }
2665                }
2666            }
2667            return -1;
2668        } else if (keyCode == KeyEvent.KEYCODE_VOICE_ASSIST) {
2669            if (!down) {
2670                Intent voiceIntent;
2671                if (!keyguardOn) {
2672                    voiceIntent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
2673                } else {
2674                    voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
2675                    voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, true);
2676                }
2677                startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
2678            }
2679        } else if (keyCode == KeyEvent.KEYCODE_SYSRQ) {
2680            if (down && repeatCount == 0) {
2681                mHandler.post(mScreenshotRunnable);
2682            }
2683            return -1;
2684        } else if (keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP
2685                || keyCode == KeyEvent.KEYCODE_BRIGHTNESS_DOWN) {
2686            if (down) {
2687                int direction = keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP ? 1 : -1;
2688
2689                // Disable autobrightness if it's on
2690                int auto = Settings.System.getIntForUser(
2691                        mContext.getContentResolver(),
2692                        Settings.System.SCREEN_BRIGHTNESS_MODE,
2693                        Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
2694                        UserHandle.USER_CURRENT_OR_SELF);
2695                if (auto != 0) {
2696                    Settings.System.putIntForUser(mContext.getContentResolver(),
2697                            Settings.System.SCREEN_BRIGHTNESS_MODE,
2698                            Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
2699                            UserHandle.USER_CURRENT_OR_SELF);
2700                }
2701
2702                int min = mPowerManager.getMinimumScreenBrightnessSetting();
2703                int max = mPowerManager.getMaximumScreenBrightnessSetting();
2704                int step = (max - min + BRIGHTNESS_STEPS - 1) / BRIGHTNESS_STEPS * direction;
2705                int brightness = Settings.System.getIntForUser(mContext.getContentResolver(),
2706                        Settings.System.SCREEN_BRIGHTNESS,
2707                        mPowerManager.getDefaultScreenBrightnessSetting(),
2708                        UserHandle.USER_CURRENT_OR_SELF);
2709                brightness += step;
2710                // Make sure we don't go beyond the limits.
2711                brightness = Math.min(max, brightness);
2712                brightness = Math.max(min, brightness);
2713
2714                Settings.System.putIntForUser(mContext.getContentResolver(),
2715                        Settings.System.SCREEN_BRIGHTNESS, brightness,
2716                        UserHandle.USER_CURRENT_OR_SELF);
2717                startActivityAsUser(new Intent(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG),
2718                        UserHandle.CURRENT_OR_SELF);
2719            }
2720            return -1;
2721        } else if (KeyEvent.isMetaKey(keyCode)) {
2722            if (down) {
2723                mPendingMetaAction = true;
2724            } else if (mPendingMetaAction) {
2725                launchAssistAction(Intent.EXTRA_ASSIST_INPUT_HINT_KEYBOARD);
2726            }
2727            return -1;
2728        }
2729
2730        // Shortcuts are invoked through Search+key, so intercept those here
2731        // Any printing key that is chorded with Search should be consumed
2732        // even if no shortcut was invoked.  This prevents text from being
2733        // inadvertently inserted when using a keyboard that has built-in macro
2734        // shortcut keys (that emit Search+x) and some of them are not registered.
2735        if (mSearchKeyShortcutPending) {
2736            final KeyCharacterMap kcm = event.getKeyCharacterMap();
2737            if (kcm.isPrintingKey(keyCode)) {
2738                mConsumeSearchKeyUp = true;
2739                mSearchKeyShortcutPending = false;
2740                if (down && repeatCount == 0 && !keyguardOn) {
2741                    Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState);
2742                    if (shortcutIntent != null) {
2743                        shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2744                        try {
2745                            startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
2746                        } catch (ActivityNotFoundException ex) {
2747                            Slog.w(TAG, "Dropping shortcut key combination because "
2748                                    + "the activity to which it is registered was not found: "
2749                                    + "SEARCH+" + KeyEvent.keyCodeToString(keyCode), ex);
2750                        }
2751                    } else {
2752                        Slog.i(TAG, "Dropping unregistered shortcut key combination: "
2753                                + "SEARCH+" + KeyEvent.keyCodeToString(keyCode));
2754                    }
2755                }
2756                return -1;
2757            }
2758        }
2759
2760        // Invoke shortcuts using Meta.
2761        if (down && repeatCount == 0 && !keyguardOn
2762                && (metaState & KeyEvent.META_META_ON) != 0) {
2763            final KeyCharacterMap kcm = event.getKeyCharacterMap();
2764            if (kcm.isPrintingKey(keyCode)) {
2765                Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode,
2766                        metaState & ~(KeyEvent.META_META_ON
2767                                | KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_RIGHT_ON));
2768                if (shortcutIntent != null) {
2769                    shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2770                    try {
2771                        startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
2772                    } catch (ActivityNotFoundException ex) {
2773                        Slog.w(TAG, "Dropping shortcut key combination because "
2774                                + "the activity to which it is registered was not found: "
2775                                + "META+" + KeyEvent.keyCodeToString(keyCode), ex);
2776                    }
2777                    return -1;
2778                }
2779            }
2780        }
2781
2782        // Handle application launch keys.
2783        if (down && repeatCount == 0 && !keyguardOn) {
2784            String category = sApplicationLaunchKeyCategories.get(keyCode);
2785            if (category != null) {
2786                Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, category);
2787                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2788                try {
2789                    startActivityAsUser(intent, UserHandle.CURRENT);
2790                } catch (ActivityNotFoundException ex) {
2791                    Slog.w(TAG, "Dropping application launch key because "
2792                            + "the activity to which it is registered was not found: "
2793                            + "keyCode=" + keyCode + ", category=" + category, ex);
2794                }
2795                return -1;
2796            }
2797        }
2798
2799        // Display task switcher for ALT-TAB.
2800        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_TAB) {
2801            if (mRecentAppsHeldModifiers == 0 && !keyguardOn) {
2802                final int shiftlessModifiers = event.getModifiers() & ~KeyEvent.META_SHIFT_MASK;
2803                if (KeyEvent.metaStateHasModifiers(shiftlessModifiers, KeyEvent.META_ALT_ON)) {
2804                    mRecentAppsHeldModifiers = shiftlessModifiers;
2805                    showRecentApps(true);
2806                    return -1;
2807                }
2808            }
2809        } else if (!down && mRecentAppsHeldModifiers != 0
2810                && (metaState & mRecentAppsHeldModifiers) == 0) {
2811            mRecentAppsHeldModifiers = 0;
2812            hideRecentApps(true, false);
2813        }
2814
2815        // Handle keyboard language switching.
2816        if (down && repeatCount == 0
2817                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
2818                        || (keyCode == KeyEvent.KEYCODE_SPACE
2819                                && (metaState & KeyEvent.META_CTRL_MASK) != 0))) {
2820            int direction = (metaState & KeyEvent.META_SHIFT_MASK) != 0 ? -1 : 1;
2821            mWindowManagerFuncs.switchKeyboardLayout(event.getDeviceId(), direction);
2822            return -1;
2823        }
2824        if (mLanguageSwitchKeyPressed && !down
2825                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
2826                        || keyCode == KeyEvent.KEYCODE_SPACE)) {
2827            mLanguageSwitchKeyPressed = false;
2828            return -1;
2829        }
2830
2831        if (isValidGlobalKey(keyCode)
2832                && mGlobalKeyManager.handleGlobalKey(mContext, keyCode, event)) {
2833            return -1;
2834        }
2835
2836        // Reserve all the META modifier combos for system behavior
2837        if ((metaState & KeyEvent.META_META_ON) != 0) {
2838            return -1;
2839        }
2840
2841        // Let the application handle the key.
2842        return 0;
2843    }
2844
2845    /** {@inheritDoc} */
2846    @Override
2847    public KeyEvent dispatchUnhandledKey(WindowState win, KeyEvent event, int policyFlags) {
2848        // Note: This method is only called if the initial down was unhandled.
2849        if (DEBUG_INPUT) {
2850            Slog.d(TAG, "Unhandled key: win=" + win + ", action=" + event.getAction()
2851                    + ", flags=" + event.getFlags()
2852                    + ", keyCode=" + event.getKeyCode()
2853                    + ", scanCode=" + event.getScanCode()
2854                    + ", metaState=" + event.getMetaState()
2855                    + ", repeatCount=" + event.getRepeatCount()
2856                    + ", policyFlags=" + policyFlags);
2857        }
2858
2859        KeyEvent fallbackEvent = null;
2860        if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
2861            final KeyCharacterMap kcm = event.getKeyCharacterMap();
2862            final int keyCode = event.getKeyCode();
2863            final int metaState = event.getMetaState();
2864            final boolean initialDown = event.getAction() == KeyEvent.ACTION_DOWN
2865                    && event.getRepeatCount() == 0;
2866
2867            // Check for fallback actions specified by the key character map.
2868            final FallbackAction fallbackAction;
2869            if (initialDown) {
2870                fallbackAction = kcm.getFallbackAction(keyCode, metaState);
2871            } else {
2872                fallbackAction = mFallbackActions.get(keyCode);
2873            }
2874
2875            if (fallbackAction != null) {
2876                if (DEBUG_INPUT) {
2877                    Slog.d(TAG, "Fallback: keyCode=" + fallbackAction.keyCode
2878                            + " metaState=" + Integer.toHexString(fallbackAction.metaState));
2879                }
2880
2881                final int flags = event.getFlags() | KeyEvent.FLAG_FALLBACK;
2882                fallbackEvent = KeyEvent.obtain(
2883                        event.getDownTime(), event.getEventTime(),
2884                        event.getAction(), fallbackAction.keyCode,
2885                        event.getRepeatCount(), fallbackAction.metaState,
2886                        event.getDeviceId(), event.getScanCode(),
2887                        flags, event.getSource(), null);
2888
2889                if (!interceptFallback(win, fallbackEvent, policyFlags)) {
2890                    fallbackEvent.recycle();
2891                    fallbackEvent = null;
2892                }
2893
2894                if (initialDown) {
2895                    mFallbackActions.put(keyCode, fallbackAction);
2896                } else if (event.getAction() == KeyEvent.ACTION_UP) {
2897                    mFallbackActions.remove(keyCode);
2898                    fallbackAction.recycle();
2899                }
2900            }
2901        }
2902
2903        if (DEBUG_INPUT) {
2904            if (fallbackEvent == null) {
2905                Slog.d(TAG, "No fallback.");
2906            } else {
2907                Slog.d(TAG, "Performing fallback: " + fallbackEvent);
2908            }
2909        }
2910        return fallbackEvent;
2911    }
2912
2913    private boolean interceptFallback(WindowState win, KeyEvent fallbackEvent, int policyFlags) {
2914        int actions = interceptKeyBeforeQueueing(fallbackEvent, policyFlags);
2915        if ((actions & ACTION_PASS_TO_USER) != 0) {
2916            long delayMillis = interceptKeyBeforeDispatching(
2917                    win, fallbackEvent, policyFlags);
2918            if (delayMillis == 0) {
2919                return true;
2920            }
2921        }
2922        return false;
2923    }
2924
2925    private void launchAssistLongPressAction() {
2926        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
2927        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
2928
2929        // launch the search activity
2930        Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
2931        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2932        try {
2933            // TODO: This only stops the factory-installed search manager.
2934            // Need to formalize an API to handle others
2935            SearchManager searchManager = getSearchManager();
2936            if (searchManager != null) {
2937                searchManager.stopSearch();
2938            }
2939            startActivityAsUser(intent, UserHandle.CURRENT);
2940        } catch (ActivityNotFoundException e) {
2941            Slog.w(TAG, "No activity to handle assist long press action.", e);
2942        }
2943    }
2944
2945    private void launchAssistAction() {
2946        launchAssistAction(null);
2947    }
2948
2949    private void launchAssistAction(String hint) {
2950        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
2951        Intent intent = ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
2952                .getAssistIntent(mContext, true, UserHandle.USER_CURRENT);
2953        if (intent != null) {
2954            if (hint != null) {
2955                intent.putExtra(hint, true);
2956            }
2957            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
2958                    | Intent.FLAG_ACTIVITY_SINGLE_TOP
2959                    | Intent.FLAG_ACTIVITY_CLEAR_TOP);
2960            try {
2961                startActivityAsUser(intent, UserHandle.CURRENT);
2962            } catch (ActivityNotFoundException e) {
2963                Slog.w(TAG, "No activity to handle assist action.", e);
2964            }
2965        }
2966    }
2967
2968    private void startActivityAsUser(Intent intent, UserHandle handle) {
2969        if (isUserSetupComplete()) {
2970            mContext.startActivityAsUser(intent, handle);
2971        } else {
2972            Slog.i(TAG, "Not starting activity because user setup is in progress: " + intent);
2973        }
2974    }
2975
2976    private SearchManager getSearchManager() {
2977        if (mSearchManager == null) {
2978            mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
2979        }
2980        return mSearchManager;
2981    }
2982
2983    private void preloadRecentApps() {
2984        mPreloadedRecentApps = true;
2985        try {
2986            IStatusBarService statusbar = getStatusBarService();
2987            if (statusbar != null) {
2988                statusbar.preloadRecentApps();
2989            }
2990        } catch (RemoteException e) {
2991            Slog.e(TAG, "RemoteException when preloading recent apps", e);
2992            // re-acquire status bar service next time it is needed.
2993            mStatusBarService = null;
2994        }
2995    }
2996
2997    private void cancelPreloadRecentApps() {
2998        if (mPreloadedRecentApps) {
2999            mPreloadedRecentApps = false;
3000            try {
3001                IStatusBarService statusbar = getStatusBarService();
3002                if (statusbar != null) {
3003                    statusbar.cancelPreloadRecentApps();
3004                }
3005            } catch (RemoteException e) {
3006                Slog.e(TAG, "RemoteException when cancelling recent apps preload", e);
3007                // re-acquire status bar service next time it is needed.
3008                mStatusBarService = null;
3009            }
3010        }
3011    }
3012
3013    private void toggleRecentApps() {
3014        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3015        try {
3016            IStatusBarService statusbar = getStatusBarService();
3017            if (statusbar != null) {
3018                statusbar.toggleRecentApps();
3019            }
3020        } catch (RemoteException e) {
3021            Slog.e(TAG, "RemoteException when toggling recent apps", e);
3022            // re-acquire status bar service next time it is needed.
3023            mStatusBarService = null;
3024        }
3025    }
3026
3027    @Override
3028    public void showRecentApps() {
3029        mHandler.removeMessages(MSG_DISPATCH_SHOW_RECENTS);
3030        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_RECENTS);
3031    }
3032
3033    private void showRecentApps(boolean triggeredFromAltTab) {
3034        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3035        try {
3036            IStatusBarService statusbar = getStatusBarService();
3037            if (statusbar != null) {
3038                statusbar.showRecentApps(triggeredFromAltTab);
3039            }
3040        } catch (RemoteException e) {
3041            Slog.e(TAG, "RemoteException when showing recent apps", e);
3042            // re-acquire status bar service next time it is needed.
3043            mStatusBarService = null;
3044        }
3045    }
3046
3047    private void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHome) {
3048        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3049        try {
3050            IStatusBarService statusbar = getStatusBarService();
3051            if (statusbar != null) {
3052                statusbar.hideRecentApps(triggeredFromAltTab, triggeredFromHome);
3053            }
3054        } catch (RemoteException e) {
3055            Slog.e(TAG, "RemoteException when closing recent apps", e);
3056            // re-acquire status bar service next time it is needed.
3057            mStatusBarService = null;
3058        }
3059    }
3060
3061    void launchHomeFromHotKey() {
3062        launchHomeFromHotKey(true /* awakenFromDreams */);
3063    }
3064
3065    /**
3066     * A home key -> launch home action was detected.  Take the appropriate action
3067     * given the situation with the keyguard.
3068     */
3069    void launchHomeFromHotKey(final boolean awakenFromDreams) {
3070        if (isKeyguardShowingAndNotOccluded()) {
3071            // don't launch home if keyguard showing
3072        } else if (!mHideLockScreen && mKeyguardDelegate.isInputRestricted()) {
3073            // when in keyguard restricted mode, must first verify unlock
3074            // before launching home
3075            mKeyguardDelegate.verifyUnlock(new OnKeyguardExitResult() {
3076                @Override
3077                public void onKeyguardExitResult(boolean success) {
3078                    if (success) {
3079                        try {
3080                            ActivityManagerNative.getDefault().stopAppSwitches();
3081                        } catch (RemoteException e) {
3082                        }
3083                        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3084                        startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3085                    }
3086                }
3087            });
3088        } else {
3089            // no keyguard stuff to worry about, just launch home!
3090            try {
3091                ActivityManagerNative.getDefault().stopAppSwitches();
3092            } catch (RemoteException e) {
3093            }
3094            if (mRecentsVisible) {
3095                // Hide Recents and notify it to launch Home
3096                if (awakenFromDreams) {
3097                    awakenDreams();
3098                }
3099                sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3100                hideRecentApps(false, true);
3101            } else {
3102                // Otherwise, just launch Home
3103                sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3104                startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3105            }
3106        }
3107    }
3108
3109    private final Runnable mClearHideNavigationFlag = new Runnable() {
3110        @Override
3111        public void run() {
3112            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3113                // Clear flags.
3114                mForceClearedSystemUiFlags &=
3115                        ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3116            }
3117            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3118        }
3119    };
3120
3121    /**
3122     * Input handler used while nav bar is hidden.  Captures any touch on the screen,
3123     * to determine when the nav bar should be shown and prevent applications from
3124     * receiving those touches.
3125     */
3126    final class HideNavInputEventReceiver extends InputEventReceiver {
3127        public HideNavInputEventReceiver(InputChannel inputChannel, Looper looper) {
3128            super(inputChannel, looper);
3129        }
3130
3131        @Override
3132        public void onInputEvent(InputEvent event) {
3133            boolean handled = false;
3134            try {
3135                if (event instanceof MotionEvent
3136                        && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
3137                    final MotionEvent motionEvent = (MotionEvent)event;
3138                    if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
3139                        // When the user taps down, we re-show the nav bar.
3140                        boolean changed = false;
3141                        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3142                            // Any user activity always causes us to show the
3143                            // navigation controls, if they had been hidden.
3144                            // We also clear the low profile and only content
3145                            // flags so that tapping on the screen will atomically
3146                            // restore all currently hidden screen decorations.
3147                            int newVal = mResettingSystemUiFlags |
3148                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
3149                                    View.SYSTEM_UI_FLAG_LOW_PROFILE |
3150                                    View.SYSTEM_UI_FLAG_FULLSCREEN;
3151                            if (mResettingSystemUiFlags != newVal) {
3152                                mResettingSystemUiFlags = newVal;
3153                                changed = true;
3154                            }
3155                            // We don't allow the system's nav bar to be hidden
3156                            // again for 1 second, to prevent applications from
3157                            // spamming us and keeping it from being shown.
3158                            newVal = mForceClearedSystemUiFlags |
3159                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3160                            if (mForceClearedSystemUiFlags != newVal) {
3161                                mForceClearedSystemUiFlags = newVal;
3162                                changed = true;
3163                                mHandler.postDelayed(mClearHideNavigationFlag, 1000);
3164                            }
3165                        }
3166                        if (changed) {
3167                            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3168                        }
3169                    }
3170                }
3171            } finally {
3172                finishInputEvent(event, handled);
3173            }
3174        }
3175    }
3176    final InputEventReceiver.Factory mHideNavInputEventReceiverFactory =
3177            new InputEventReceiver.Factory() {
3178        @Override
3179        public InputEventReceiver createInputEventReceiver(
3180                InputChannel inputChannel, Looper looper) {
3181            return new HideNavInputEventReceiver(inputChannel, looper);
3182        }
3183    };
3184
3185    @Override
3186    public int adjustSystemUiVisibilityLw(int visibility) {
3187        mStatusBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3188        mNavigationBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3189        mRecentsVisible = (visibility & View.RECENT_APPS_VISIBLE) > 0;
3190
3191        // Reset any bits in mForceClearingStatusBarVisibility that
3192        // are now clear.
3193        mResettingSystemUiFlags &= visibility;
3194        // Clear any bits in the new visibility that are currently being
3195        // force cleared, before reporting it.
3196        return visibility & ~mResettingSystemUiFlags
3197                & ~mForceClearedSystemUiFlags;
3198    }
3199
3200    @Override
3201    public void getInsetHintLw(WindowManager.LayoutParams attrs, Rect outContentInsets,
3202            Rect outStableInsets) {
3203        final int fl = PolicyControl.getWindowFlags(null, attrs);
3204        final int sysuiVis = PolicyControl.getSystemUiVisibility(null, attrs);
3205        final int systemUiVisibility = (sysuiVis | attrs.subtreeSystemUiVisibility);
3206
3207        if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3208                == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3209            int availRight, availBottom;
3210            if (canHideNavigationBar() &&
3211                    (systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0) {
3212                availRight = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3213                availBottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3214            } else {
3215                availRight = mRestrictedScreenLeft + mRestrictedScreenWidth;
3216                availBottom = mRestrictedScreenTop + mRestrictedScreenHeight;
3217            }
3218            if ((systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3219                if ((fl & FLAG_FULLSCREEN) != 0) {
3220                    outContentInsets.set(mStableFullscreenLeft, mStableFullscreenTop,
3221                            availRight - mStableFullscreenRight,
3222                            availBottom - mStableFullscreenBottom);
3223                } else {
3224                    outContentInsets.set(mStableLeft, mStableTop,
3225                            availRight - mStableRight, availBottom - mStableBottom);
3226                }
3227            } else if ((fl & FLAG_FULLSCREEN) != 0 || (fl & FLAG_LAYOUT_IN_OVERSCAN) != 0) {
3228                outContentInsets.setEmpty();
3229            } else if ((systemUiVisibility & (View.SYSTEM_UI_FLAG_FULLSCREEN
3230                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)) == 0) {
3231                outContentInsets.set(mCurLeft, mCurTop,
3232                        availRight - mCurRight, availBottom - mCurBottom);
3233            } else {
3234                outContentInsets.set(mCurLeft, mCurTop,
3235                        availRight - mCurRight, availBottom - mCurBottom);
3236            }
3237
3238            outStableInsets.set(mStableLeft, mStableTop,
3239                    availRight - mStableRight, availBottom - mStableBottom);
3240            return;
3241        }
3242        outContentInsets.setEmpty();
3243        outStableInsets.setEmpty();
3244    }
3245
3246    /** {@inheritDoc} */
3247    @Override
3248    public void beginLayoutLw(boolean isDefaultDisplay, int displayWidth, int displayHeight,
3249                              int displayRotation) {
3250        final int overscanLeft, overscanTop, overscanRight, overscanBottom;
3251        if (isDefaultDisplay) {
3252            switch (displayRotation) {
3253                case Surface.ROTATION_90:
3254                    overscanLeft = mOverscanTop;
3255                    overscanTop = mOverscanRight;
3256                    overscanRight = mOverscanBottom;
3257                    overscanBottom = mOverscanLeft;
3258                    break;
3259                case Surface.ROTATION_180:
3260                    overscanLeft = mOverscanRight;
3261                    overscanTop = mOverscanBottom;
3262                    overscanRight = mOverscanLeft;
3263                    overscanBottom = mOverscanTop;
3264                    break;
3265                case Surface.ROTATION_270:
3266                    overscanLeft = mOverscanBottom;
3267                    overscanTop = mOverscanLeft;
3268                    overscanRight = mOverscanTop;
3269                    overscanBottom = mOverscanRight;
3270                    break;
3271                default:
3272                    overscanLeft = mOverscanLeft;
3273                    overscanTop = mOverscanTop;
3274                    overscanRight = mOverscanRight;
3275                    overscanBottom = mOverscanBottom;
3276                    break;
3277            }
3278        } else {
3279            overscanLeft = 0;
3280            overscanTop = 0;
3281            overscanRight = 0;
3282            overscanBottom = 0;
3283        }
3284        mOverscanScreenLeft = mRestrictedOverscanScreenLeft = 0;
3285        mOverscanScreenTop = mRestrictedOverscanScreenTop = 0;
3286        mOverscanScreenWidth = mRestrictedOverscanScreenWidth = displayWidth;
3287        mOverscanScreenHeight = mRestrictedOverscanScreenHeight = displayHeight;
3288        mSystemLeft = 0;
3289        mSystemTop = 0;
3290        mSystemRight = displayWidth;
3291        mSystemBottom = displayHeight;
3292        mUnrestrictedScreenLeft = overscanLeft;
3293        mUnrestrictedScreenTop = overscanTop;
3294        mUnrestrictedScreenWidth = displayWidth - overscanLeft - overscanRight;
3295        mUnrestrictedScreenHeight = displayHeight - overscanTop - overscanBottom;
3296        mRestrictedScreenLeft = mUnrestrictedScreenLeft;
3297        mRestrictedScreenTop = mUnrestrictedScreenTop;
3298        mRestrictedScreenWidth = mSystemGestures.screenWidth = mUnrestrictedScreenWidth;
3299        mRestrictedScreenHeight = mSystemGestures.screenHeight = mUnrestrictedScreenHeight;
3300        mDockLeft = mContentLeft = mVoiceContentLeft = mStableLeft = mStableFullscreenLeft
3301                = mCurLeft = mUnrestrictedScreenLeft;
3302        mDockTop = mContentTop = mVoiceContentTop = mStableTop = mStableFullscreenTop
3303                = mCurTop = mUnrestrictedScreenTop;
3304        mDockRight = mContentRight = mVoiceContentRight = mStableRight = mStableFullscreenRight
3305                = mCurRight = displayWidth - overscanRight;
3306        mDockBottom = mContentBottom = mVoiceContentBottom = mStableBottom = mStableFullscreenBottom
3307                = mCurBottom = displayHeight - overscanBottom;
3308        mDockLayer = 0x10000000;
3309        mStatusBarLayer = -1;
3310
3311        // start with the current dock rect, which will be (0,0,displayWidth,displayHeight)
3312        final Rect pf = mTmpParentFrame;
3313        final Rect df = mTmpDisplayFrame;
3314        final Rect of = mTmpOverscanFrame;
3315        final Rect vf = mTmpVisibleFrame;
3316        final Rect dcf = mTmpDecorFrame;
3317        pf.left = df.left = of.left = vf.left = mDockLeft;
3318        pf.top = df.top = of.top = vf.top = mDockTop;
3319        pf.right = df.right = of.right = vf.right = mDockRight;
3320        pf.bottom = df.bottom = of.bottom = vf.bottom = mDockBottom;
3321        dcf.setEmpty();  // Decor frame N/A for system bars.
3322
3323        if (isDefaultDisplay) {
3324            // For purposes of putting out fake window up to steal focus, we will
3325            // drive nav being hidden only by whether it is requested.
3326            final int sysui = mLastSystemUiFlags;
3327            boolean navVisible = (sysui & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0;
3328            boolean navTranslucent = (sysui
3329                    & (View.NAVIGATION_BAR_TRANSLUCENT | View.SYSTEM_UI_TRANSPARENT)) != 0;
3330            boolean immersive = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
3331            boolean immersiveSticky = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
3332            boolean navAllowedHidden = immersive || immersiveSticky;
3333            navTranslucent &= !immersiveSticky;  // transient trumps translucent
3334            boolean isKeyguardShowing = isStatusBarKeyguard() && !mHideLockScreen;
3335            if (!isKeyguardShowing) {
3336                navTranslucent &= areTranslucentBarsAllowed();
3337            }
3338
3339            // When the navigation bar isn't visible, we put up a fake
3340            // input window to catch all touch events.  This way we can
3341            // detect when the user presses anywhere to bring back the nav
3342            // bar and ensure the application doesn't see the event.
3343            if (navVisible || navAllowedHidden) {
3344                if (mHideNavFakeWindow != null) {
3345                    mHideNavFakeWindow.dismiss();
3346                    mHideNavFakeWindow = null;
3347                }
3348            } else if (mHideNavFakeWindow == null) {
3349                mHideNavFakeWindow = mWindowManagerFuncs.addFakeWindow(
3350                        mHandler.getLooper(), mHideNavInputEventReceiverFactory,
3351                        "hidden nav", WindowManager.LayoutParams.TYPE_HIDDEN_NAV_CONSUMER, 0,
3352                        0, false, false, true);
3353            }
3354
3355            // For purposes of positioning and showing the nav bar, if we have
3356            // decided that it can't be hidden (because of the screen aspect ratio),
3357            // then take that into account.
3358            navVisible |= !canHideNavigationBar();
3359
3360            boolean updateSysUiVisibility = false;
3361            if (mNavigationBar != null) {
3362                boolean transientNavBarShowing = mNavigationBarController.isTransientShowing();
3363                // Force the navigation bar to its appropriate place and
3364                // size.  We need to do this directly, instead of relying on
3365                // it to bubble up from the nav bar, because this needs to
3366                // change atomically with screen rotations.
3367                mNavigationBarOnBottom = (!mNavigationBarCanMove || displayWidth < displayHeight);
3368                if (mNavigationBarOnBottom) {
3369                    // It's a system nav bar or a portrait screen; nav bar goes on bottom.
3370                    int top = displayHeight - overscanBottom
3371                            - mNavigationBarHeightForRotation[displayRotation];
3372                    mTmpNavigationFrame.set(0, top, displayWidth, displayHeight - overscanBottom);
3373                    mStableBottom = mStableFullscreenBottom = mTmpNavigationFrame.top;
3374                    if (transientNavBarShowing) {
3375                        mNavigationBarController.setBarShowingLw(true);
3376                    } else if (navVisible) {
3377                        mNavigationBarController.setBarShowingLw(true);
3378                        mDockBottom = mTmpNavigationFrame.top;
3379                        mRestrictedScreenHeight = mDockBottom - mRestrictedScreenTop;
3380                        mRestrictedOverscanScreenHeight = mDockBottom - mRestrictedOverscanScreenTop;
3381                    } else {
3382                        // We currently want to hide the navigation UI.
3383                        mNavigationBarController.setBarShowingLw(false);
3384                    }
3385                    if (navVisible && !navTranslucent && !navAllowedHidden
3386                            && !mNavigationBar.isAnimatingLw()
3387                            && !mNavigationBarController.wasRecentlyTranslucent()) {
3388                        // If the opaque nav bar is currently requested to be visible,
3389                        // and not in the process of animating on or off, then
3390                        // we can tell the app that it is covered by it.
3391                        mSystemBottom = mTmpNavigationFrame.top;
3392                    }
3393                } else {
3394                    // Landscape screen; nav bar goes to the right.
3395                    int left = displayWidth - overscanRight
3396                            - mNavigationBarWidthForRotation[displayRotation];
3397                    mTmpNavigationFrame.set(left, 0, displayWidth - overscanRight, displayHeight);
3398                    mStableRight = mStableFullscreenRight = mTmpNavigationFrame.left;
3399                    if (transientNavBarShowing) {
3400                        mNavigationBarController.setBarShowingLw(true);
3401                    } else if (navVisible) {
3402                        mNavigationBarController.setBarShowingLw(true);
3403                        mDockRight = mTmpNavigationFrame.left;
3404                        mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
3405                        mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
3406                    } else {
3407                        // We currently want to hide the navigation UI.
3408                        mNavigationBarController.setBarShowingLw(false);
3409                    }
3410                    if (navVisible && !navTranslucent && !mNavigationBar.isAnimatingLw()
3411                            && !mNavigationBarController.wasRecentlyTranslucent()) {
3412                        // If the nav bar is currently requested to be visible,
3413                        // and not in the process of animating on or off, then
3414                        // we can tell the app that it is covered by it.
3415                        mSystemRight = mTmpNavigationFrame.left;
3416                    }
3417                }
3418                // Make sure the content and current rectangles are updated to
3419                // account for the restrictions from the navigation bar.
3420                mContentTop = mVoiceContentTop = mCurTop = mDockTop;
3421                mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
3422                mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
3423                mContentRight = mVoiceContentRight = mCurRight = mDockRight;
3424                mStatusBarLayer = mNavigationBar.getSurfaceLayer();
3425                // And compute the final frame.
3426                mNavigationBar.computeFrameLw(mTmpNavigationFrame, mTmpNavigationFrame,
3427                        mTmpNavigationFrame, mTmpNavigationFrame, mTmpNavigationFrame, dcf,
3428                        mTmpNavigationFrame);
3429                if (DEBUG_LAYOUT) Slog.i(TAG, "mNavigationBar frame: " + mTmpNavigationFrame);
3430                if (mNavigationBarController.checkHiddenLw()) {
3431                    updateSysUiVisibility = true;
3432                }
3433            }
3434            if (DEBUG_LAYOUT) Slog.i(TAG, String.format("mDock rect: (%d,%d - %d,%d)",
3435                    mDockLeft, mDockTop, mDockRight, mDockBottom));
3436
3437            // decide where the status bar goes ahead of time
3438            if (mStatusBar != null) {
3439                // apply any navigation bar insets
3440                pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3441                pf.top = df.top = of.top = mUnrestrictedScreenTop;
3442                pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
3443                pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight
3444                        + mUnrestrictedScreenTop;
3445                vf.left = mStableLeft;
3446                vf.top = mStableTop;
3447                vf.right = mStableRight;
3448                vf.bottom = mStableBottom;
3449
3450                mStatusBarLayer = mStatusBar.getSurfaceLayer();
3451
3452                // Let the status bar determine its size.
3453                mStatusBar.computeFrameLw(pf, df, vf, vf, vf, dcf, vf);
3454
3455                // For layout, the status bar is always at the top with our fixed height.
3456                mStableTop = mUnrestrictedScreenTop + mStatusBarHeight;
3457
3458                boolean statusBarTransient = (sysui & View.STATUS_BAR_TRANSIENT) != 0;
3459                boolean statusBarTranslucent = (sysui
3460                        & (View.STATUS_BAR_TRANSLUCENT | View.SYSTEM_UI_TRANSPARENT)) != 0;
3461                if (!isKeyguardShowing) {
3462                    statusBarTranslucent &= areTranslucentBarsAllowed();
3463                }
3464
3465                // If the status bar is hidden, we don't want to cause
3466                // windows behind it to scroll.
3467                if (mStatusBar.isVisibleLw() && !statusBarTransient) {
3468                    // Status bar may go away, so the screen area it occupies
3469                    // is available to apps but just covering them when the
3470                    // status bar is visible.
3471                    mDockTop = mUnrestrictedScreenTop + mStatusBarHeight;
3472
3473                    mContentTop = mVoiceContentTop = mCurTop = mDockTop;
3474                    mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
3475                    mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
3476                    mContentRight = mVoiceContentRight = mCurRight = mDockRight;
3477
3478                    if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar: " +
3479                        String.format(
3480                            "dock=[%d,%d][%d,%d] content=[%d,%d][%d,%d] cur=[%d,%d][%d,%d]",
3481                            mDockLeft, mDockTop, mDockRight, mDockBottom,
3482                            mContentLeft, mContentTop, mContentRight, mContentBottom,
3483                            mCurLeft, mCurTop, mCurRight, mCurBottom));
3484                }
3485                if (mStatusBar.isVisibleLw() && !mStatusBar.isAnimatingLw()
3486                        && !statusBarTransient && !statusBarTranslucent
3487                        && !mStatusBarController.wasRecentlyTranslucent()) {
3488                    // If the opaque status bar is currently requested to be visible,
3489                    // and not in the process of animating on or off, then
3490                    // we can tell the app that it is covered by it.
3491                    mSystemTop = mUnrestrictedScreenTop + mStatusBarHeight;
3492                }
3493                if (mStatusBarController.checkHiddenLw()) {
3494                    updateSysUiVisibility = true;
3495                }
3496            }
3497            if (updateSysUiVisibility) {
3498                updateSystemUiVisibilityLw();
3499            }
3500        }
3501    }
3502
3503    /** {@inheritDoc} */
3504    @Override
3505    public int getSystemDecorLayerLw() {
3506        if (mStatusBar != null && mStatusBar.isVisibleLw()) {
3507            return mStatusBar.getSurfaceLayer();
3508        }
3509
3510        if (mNavigationBar != null && mNavigationBar.isVisibleLw()) {
3511            return mNavigationBar.getSurfaceLayer();
3512        }
3513
3514        return 0;
3515    }
3516
3517    @Override
3518    public void getContentRectLw(Rect r) {
3519        r.set(mContentLeft, mContentTop, mContentRight, mContentBottom);
3520    }
3521
3522    void setAttachedWindowFrames(WindowState win, int fl, int adjust, WindowState attached,
3523            boolean insetDecors, Rect pf, Rect df, Rect of, Rect cf, Rect vf) {
3524        if (win.getSurfaceLayer() > mDockLayer && attached.getSurfaceLayer() < mDockLayer) {
3525            // Here's a special case: if this attached window is a panel that is
3526            // above the dock window, and the window it is attached to is below
3527            // the dock window, then the frames we computed for the window it is
3528            // attached to can not be used because the dock is effectively part
3529            // of the underlying window and the attached window is floating on top
3530            // of the whole thing.  So, we ignore the attached window and explicitly
3531            // compute the frames that would be appropriate without the dock.
3532            df.left = of.left = cf.left = vf.left = mDockLeft;
3533            df.top = of.top = cf.top = vf.top = mDockTop;
3534            df.right = of.right = cf.right = vf.right = mDockRight;
3535            df.bottom = of.bottom = cf.bottom = vf.bottom = mDockBottom;
3536        } else {
3537            // The effective display frame of the attached window depends on
3538            // whether it is taking care of insetting its content.  If not,
3539            // we need to use the parent's content frame so that the entire
3540            // window is positioned within that content.  Otherwise we can use
3541            // the overscan frame and let the attached window take care of
3542            // positioning its content appropriately.
3543            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
3544                // Set the content frame of the attached window to the parent's decor frame
3545                // (same as content frame when IME isn't present) if specifically requested by
3546                // setting {@link WindowManager.LayoutParams#FLAG_LAYOUT_ATTACHED_IN_DECOR} flag.
3547                // Otherwise, use the overscan frame.
3548                cf.set((fl & FLAG_LAYOUT_ATTACHED_IN_DECOR) != 0
3549                        ? attached.getContentFrameLw() : attached.getOverscanFrameLw());
3550            } else {
3551                // If the window is resizing, then we want to base the content
3552                // frame on our attached content frame to resize...  however,
3553                // things can be tricky if the attached window is NOT in resize
3554                // mode, in which case its content frame will be larger.
3555                // Ungh.  So to deal with that, make sure the content frame
3556                // we end up using is not covering the IM dock.
3557                cf.set(attached.getContentFrameLw());
3558                if (attached.isVoiceInteraction()) {
3559                    if (cf.left < mVoiceContentLeft) cf.left = mVoiceContentLeft;
3560                    if (cf.top < mVoiceContentTop) cf.top = mVoiceContentTop;
3561                    if (cf.right > mVoiceContentRight) cf.right = mVoiceContentRight;
3562                    if (cf.bottom > mVoiceContentBottom) cf.bottom = mVoiceContentBottom;
3563                } else if (attached.getSurfaceLayer() < mDockLayer) {
3564                    if (cf.left < mContentLeft) cf.left = mContentLeft;
3565                    if (cf.top < mContentTop) cf.top = mContentTop;
3566                    if (cf.right > mContentRight) cf.right = mContentRight;
3567                    if (cf.bottom > mContentBottom) cf.bottom = mContentBottom;
3568                }
3569            }
3570            df.set(insetDecors ? attached.getDisplayFrameLw() : cf);
3571            of.set(insetDecors ? attached.getOverscanFrameLw() : cf);
3572            vf.set(attached.getVisibleFrameLw());
3573        }
3574        // The LAYOUT_IN_SCREEN flag is used to determine whether the attached
3575        // window should be positioned relative to its parent or the entire
3576        // screen.
3577        pf.set((fl & FLAG_LAYOUT_IN_SCREEN) == 0
3578                ? attached.getFrameLw() : df);
3579    }
3580
3581    private void applyStableConstraints(int sysui, int fl, Rect r) {
3582        if ((sysui & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3583            // If app is requesting a stable layout, don't let the
3584            // content insets go below the stable values.
3585            if ((fl & FLAG_FULLSCREEN) != 0) {
3586                if (r.left < mStableFullscreenLeft) r.left = mStableFullscreenLeft;
3587                if (r.top < mStableFullscreenTop) r.top = mStableFullscreenTop;
3588                if (r.right > mStableFullscreenRight) r.right = mStableFullscreenRight;
3589                if (r.bottom > mStableFullscreenBottom) r.bottom = mStableFullscreenBottom;
3590            } else {
3591                if (r.left < mStableLeft) r.left = mStableLeft;
3592                if (r.top < mStableTop) r.top = mStableTop;
3593                if (r.right > mStableRight) r.right = mStableRight;
3594                if (r.bottom > mStableBottom) r.bottom = mStableBottom;
3595            }
3596        }
3597    }
3598
3599    /** {@inheritDoc} */
3600    @Override
3601    public void layoutWindowLw(WindowState win, WindowState attached) {
3602        // we've already done the status bar
3603        final WindowManager.LayoutParams attrs = win.getAttrs();
3604        if ((win == mStatusBar && (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) == 0) ||
3605                win == mNavigationBar) {
3606            return;
3607        }
3608        final boolean isDefaultDisplay = win.isDefaultDisplay();
3609        final boolean needsToOffsetInputMethodTarget = isDefaultDisplay &&
3610                (win == mLastInputMethodTargetWindow && mLastInputMethodWindow != null);
3611        if (needsToOffsetInputMethodTarget) {
3612            if (DEBUG_LAYOUT) Slog.i(TAG, "Offset ime target window by the last ime window state");
3613            offsetInputMethodWindowLw(mLastInputMethodWindow);
3614        }
3615
3616        final int fl = PolicyControl.getWindowFlags(win, attrs);
3617        final int sim = attrs.softInputMode;
3618        final int sysUiFl = PolicyControl.getSystemUiVisibility(win, null);
3619
3620        final Rect pf = mTmpParentFrame;
3621        final Rect df = mTmpDisplayFrame;
3622        final Rect of = mTmpOverscanFrame;
3623        final Rect cf = mTmpContentFrame;
3624        final Rect vf = mTmpVisibleFrame;
3625        final Rect dcf = mTmpDecorFrame;
3626        final Rect sf = mTmpStableFrame;
3627        dcf.setEmpty();
3628
3629        final boolean hasNavBar = (isDefaultDisplay && mHasNavigationBar
3630                && mNavigationBar != null && mNavigationBar.isVisibleLw());
3631
3632        final int adjust = sim & SOFT_INPUT_MASK_ADJUST;
3633
3634        if (isDefaultDisplay) {
3635            sf.set(mStableLeft, mStableTop, mStableRight, mStableBottom);
3636        } else {
3637            sf.set(mOverscanLeft, mOverscanTop, mOverscanRight, mOverscanBottom);
3638        }
3639
3640        if (!isDefaultDisplay) {
3641            if (attached != null) {
3642                // If this window is attached to another, our display
3643                // frame is the same as the one we are attached to.
3644                setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
3645            } else {
3646                // Give the window full screen.
3647                pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3648                pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3649                pf.right = df.right = of.right = cf.right
3650                        = mOverscanScreenLeft + mOverscanScreenWidth;
3651                pf.bottom = df.bottom = of.bottom = cf.bottom
3652                        = mOverscanScreenTop + mOverscanScreenHeight;
3653            }
3654        } else if (attrs.type == TYPE_INPUT_METHOD) {
3655            pf.left = df.left = of.left = cf.left = vf.left = mDockLeft;
3656            pf.top = df.top = of.top = cf.top = vf.top = mDockTop;
3657            pf.right = df.right = of.right = cf.right = vf.right = mDockRight;
3658            // IM dock windows layout below the nav bar...
3659            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3660            // ...with content insets above the nav bar
3661            cf.bottom = vf.bottom = mStableBottom;
3662            // IM dock windows always go to the bottom of the screen.
3663            attrs.gravity = Gravity.BOTTOM;
3664            mDockLayer = win.getSurfaceLayer();
3665        } else if (attrs.type == TYPE_VOICE_INTERACTION) {
3666            pf.left = df.left = of.left = cf.left = vf.left = mUnrestrictedScreenLeft;
3667            pf.top = df.top = of.top = mUnrestrictedScreenTop;
3668            pf.right = df.right = of.right = cf.right = vf.right = mUnrestrictedScreenLeft
3669                    + mUnrestrictedScreenWidth;
3670            pf.bottom = df.bottom = of.bottom = cf.bottom = mUnrestrictedScreenTop
3671                    + mUnrestrictedScreenHeight;
3672            cf.bottom = vf.bottom = mStableBottom;
3673            cf.top = vf.top = mStableTop;
3674        } else if (win == mStatusBar && (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
3675            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3676            pf.top = df.top = of.top = mUnrestrictedScreenTop;
3677            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
3678            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight + mUnrestrictedScreenTop;
3679            cf.left = vf.left = mStableLeft;
3680            cf.top = vf.top = mStableTop;
3681            cf.right = vf.right = mStableRight;
3682            vf.bottom = mStableBottom;
3683            cf.bottom = mContentBottom;
3684        } else {
3685
3686            // Default policy decor for the default display
3687            dcf.left = mSystemLeft;
3688            dcf.top = mSystemTop;
3689            dcf.right = mSystemRight;
3690            dcf.bottom = mSystemBottom;
3691            final boolean inheritTranslucentDecor = (attrs.privateFlags
3692                    & WindowManager.LayoutParams.PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR) != 0;
3693            final boolean isAppWindow =
3694                    attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW &&
3695                    attrs.type <= WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
3696            final boolean topAtRest =
3697                    win == mTopFullscreenOpaqueWindowState && !win.isAnimatingLw();
3698            if (isAppWindow && !inheritTranslucentDecor && !topAtRest) {
3699                if ((sysUiFl & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0
3700                        && (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) == 0
3701                        && (fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) == 0
3702                        && (fl & WindowManager.LayoutParams.
3703                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
3704                    // Ensure policy decor includes status bar
3705                    dcf.top = mStableTop;
3706                }
3707                if ((fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) == 0
3708                        && (sysUiFl & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0
3709                        && (fl & WindowManager.LayoutParams.
3710                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
3711                    // Ensure policy decor includes navigation bar
3712                    dcf.bottom = mStableBottom;
3713                    dcf.right = mStableRight;
3714                }
3715            }
3716
3717            if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3718                    == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3719                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle()
3720                            + "): IN_SCREEN, INSET_DECOR");
3721                // This is the case for a normal activity window: we want it
3722                // to cover all of the screen space, and it can take care of
3723                // moving its contents to account for screen decorations that
3724                // intrude into that space.
3725                if (attached != null) {
3726                    // If this window is attached to another, our display
3727                    // frame is the same as the one we are attached to.
3728                    setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
3729                } else {
3730                    if (attrs.type == TYPE_STATUS_BAR_PANEL
3731                            || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
3732                        // Status bar panels are the only windows who can go on top of
3733                        // the status bar.  They are protected by the STATUS_BAR_SERVICE
3734                        // permission, so they have the same privileges as the status
3735                        // bar itself.
3736                        //
3737                        // However, they should still dodge the navigation bar if it exists.
3738
3739                        pf.left = df.left = of.left = hasNavBar
3740                                ? mDockLeft : mUnrestrictedScreenLeft;
3741                        pf.top = df.top = of.top = mUnrestrictedScreenTop;
3742                        pf.right = df.right = of.right = hasNavBar
3743                                ? mRestrictedScreenLeft+mRestrictedScreenWidth
3744                                : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3745                        pf.bottom = df.bottom = of.bottom = hasNavBar
3746                                ? mRestrictedScreenTop+mRestrictedScreenHeight
3747                                : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3748
3749                        if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
3750                                        "Laying out status bar window: (%d,%d - %d,%d)",
3751                                        pf.left, pf.top, pf.right, pf.bottom));
3752                    } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
3753                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
3754                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
3755                        // Asking to layout into the overscan region, so give it that pure
3756                        // unrestricted area.
3757                        pf.left = df.left = of.left = mOverscanScreenLeft;
3758                        pf.top = df.top = of.top = mOverscanScreenTop;
3759                        pf.right = df.right = of.right = mOverscanScreenLeft + mOverscanScreenWidth;
3760                        pf.bottom = df.bottom = of.bottom = mOverscanScreenTop
3761                                + mOverscanScreenHeight;
3762                    } else if (canHideNavigationBar()
3763                            && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
3764                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
3765                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
3766                        // Asking for layout as if the nav bar is hidden, lets the
3767                        // application extend into the unrestricted overscan screen area.  We
3768                        // only do this for application windows to ensure no window that
3769                        // can be above the nav bar can do this.
3770                        pf.left = df.left = mOverscanScreenLeft;
3771                        pf.top = df.top = mOverscanScreenTop;
3772                        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
3773                        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
3774                        // We need to tell the app about where the frame inside the overscan
3775                        // is, so it can inset its content by that amount -- it didn't ask
3776                        // to actually extend itself into the overscan region.
3777                        of.left = mUnrestrictedScreenLeft;
3778                        of.top = mUnrestrictedScreenTop;
3779                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3780                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3781                    } else {
3782                        pf.left = df.left = mRestrictedOverscanScreenLeft;
3783                        pf.top = df.top = mRestrictedOverscanScreenTop;
3784                        pf.right = df.right = mRestrictedOverscanScreenLeft
3785                                + mRestrictedOverscanScreenWidth;
3786                        pf.bottom = df.bottom = mRestrictedOverscanScreenTop
3787                                + mRestrictedOverscanScreenHeight;
3788                        // We need to tell the app about where the frame inside the overscan
3789                        // is, so it can inset its content by that amount -- it didn't ask
3790                        // to actually extend itself into the overscan region.
3791                        of.left = mUnrestrictedScreenLeft;
3792                        of.top = mUnrestrictedScreenTop;
3793                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3794                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3795                    }
3796
3797                    if ((fl & FLAG_FULLSCREEN) == 0) {
3798                        if (win.isVoiceInteraction()) {
3799                            cf.left = mVoiceContentLeft;
3800                            cf.top = mVoiceContentTop;
3801                            cf.right = mVoiceContentRight;
3802                            cf.bottom = mVoiceContentBottom;
3803                        } else {
3804                            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
3805                                cf.left = mDockLeft;
3806                                cf.top = mDockTop;
3807                                cf.right = mDockRight;
3808                                cf.bottom = mDockBottom;
3809                            } else {
3810                                cf.left = mContentLeft;
3811                                cf.top = mContentTop;
3812                                cf.right = mContentRight;
3813                                cf.bottom = mContentBottom;
3814                            }
3815                        }
3816                    } else {
3817                        // Full screen windows are always given a layout that is as if the
3818                        // status bar and other transient decors are gone.  This is to avoid
3819                        // bad states when moving from a window that is not hding the
3820                        // status bar to one that is.
3821                        cf.left = mRestrictedScreenLeft;
3822                        cf.top = mRestrictedScreenTop;
3823                        cf.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
3824                        cf.bottom = mRestrictedScreenTop + mRestrictedScreenHeight;
3825                    }
3826                    applyStableConstraints(sysUiFl, fl, cf);
3827                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
3828                        vf.left = mCurLeft;
3829                        vf.top = mCurTop;
3830                        vf.right = mCurRight;
3831                        vf.bottom = mCurBottom;
3832                    } else {
3833                        vf.set(cf);
3834                    }
3835                }
3836            } else if ((fl & FLAG_LAYOUT_IN_SCREEN) != 0 || (sysUiFl
3837                    & (View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
3838                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION)) != 0) {
3839                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
3840                        "): IN_SCREEN");
3841                // A window that has requested to fill the entire screen just
3842                // gets everything, period.
3843                if (attrs.type == TYPE_STATUS_BAR_PANEL
3844                        || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
3845                    pf.left = df.left = of.left = cf.left = hasNavBar
3846                            ? mDockLeft : mUnrestrictedScreenLeft;
3847                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
3848                    pf.right = df.right = of.right = cf.right = hasNavBar
3849                                        ? mRestrictedScreenLeft+mRestrictedScreenWidth
3850                                        : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3851                    pf.bottom = df.bottom = of.bottom = cf.bottom = hasNavBar
3852                                          ? mRestrictedScreenTop+mRestrictedScreenHeight
3853                                          : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3854                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
3855                                    "Laying out IN_SCREEN status bar window: (%d,%d - %d,%d)",
3856                                    pf.left, pf.top, pf.right, pf.bottom));
3857                } else if (attrs.type == TYPE_NAVIGATION_BAR
3858                        || attrs.type == TYPE_NAVIGATION_BAR_PANEL) {
3859                    // The navigation bar has Real Ultimate Power.
3860                    pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3861                    pf.top = df.top = of.top = mUnrestrictedScreenTop;
3862                    pf.right = df.right = of.right = mUnrestrictedScreenLeft
3863                            + mUnrestrictedScreenWidth;
3864                    pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop
3865                            + mUnrestrictedScreenHeight;
3866                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
3867                                    "Laying out navigation bar window: (%d,%d - %d,%d)",
3868                                    pf.left, pf.top, pf.right, pf.bottom));
3869                } else if ((attrs.type == TYPE_SECURE_SYSTEM_OVERLAY
3870                                || attrs.type == TYPE_BOOT_PROGRESS)
3871                        && ((fl & FLAG_FULLSCREEN) != 0)) {
3872                    // Fullscreen secure system overlays get what they ask for.
3873                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3874                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3875                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
3876                            + mOverscanScreenWidth;
3877                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
3878                            + mOverscanScreenHeight;
3879                } else if (attrs.type == TYPE_BOOT_PROGRESS) {
3880                    // Boot progress screen always covers entire display.
3881                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3882                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3883                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
3884                            + mOverscanScreenWidth;
3885                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
3886                            + mOverscanScreenHeight;
3887                } else if (attrs.type == TYPE_WALLPAPER) {
3888                    // The wallpaper also has Real Ultimate Power, but we want to tell
3889                    // it about the overscan area.
3890                    pf.left = df.left = mOverscanScreenLeft;
3891                    pf.top = df.top = mOverscanScreenTop;
3892                    pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
3893                    pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
3894                    of.left = cf.left = mUnrestrictedScreenLeft;
3895                    of.top = cf.top = mUnrestrictedScreenTop;
3896                    of.right = cf.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3897                    of.bottom = cf.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3898                } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
3899                        && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
3900                        && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
3901                    // Asking to layout into the overscan region, so give it that pure
3902                    // unrestricted area.
3903                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3904                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3905                    pf.right = df.right = of.right = cf.right
3906                            = mOverscanScreenLeft + mOverscanScreenWidth;
3907                    pf.bottom = df.bottom = of.bottom = cf.bottom
3908                            = mOverscanScreenTop + mOverscanScreenHeight;
3909                } else if (canHideNavigationBar()
3910                        && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
3911                        && (attrs.type == TYPE_STATUS_BAR
3912                            || attrs.type == TYPE_TOAST
3913                            || (attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
3914                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW))) {
3915                    // Asking for layout as if the nav bar is hidden, lets the
3916                    // application extend into the unrestricted screen area.  We
3917                    // only do this for application windows (or toasts) to ensure no window that
3918                    // can be above the nav bar can do this.
3919                    // XXX This assumes that an app asking for this will also
3920                    // ask for layout in only content.  We can't currently figure out
3921                    // what the screen would be if only laying out to hide the nav bar.
3922                    pf.left = df.left = of.left = cf.left = mUnrestrictedScreenLeft;
3923                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
3924                    pf.right = df.right = of.right = cf.right = mUnrestrictedScreenLeft
3925                            + mUnrestrictedScreenWidth;
3926                    pf.bottom = df.bottom = of.bottom = cf.bottom = mUnrestrictedScreenTop
3927                            + mUnrestrictedScreenHeight;
3928                } else {
3929                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
3930                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
3931                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
3932                            + mRestrictedScreenWidth;
3933                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
3934                            + mRestrictedScreenHeight;
3935                }
3936
3937                applyStableConstraints(sysUiFl, fl, cf);
3938
3939                if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
3940                    vf.left = mCurLeft;
3941                    vf.top = mCurTop;
3942                    vf.right = mCurRight;
3943                    vf.bottom = mCurBottom;
3944                } else {
3945                    vf.set(cf);
3946                }
3947            } else if (attached != null) {
3948                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
3949                        "): attached to " + attached);
3950                // A child window should be placed inside of the same visible
3951                // frame that its parent had.
3952                setAttachedWindowFrames(win, fl, adjust, attached, false, pf, df, of, cf, vf);
3953            } else {
3954                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
3955                        "): normal window");
3956                // Otherwise, a normal window must be placed inside the content
3957                // of all screen decorations.
3958                if (attrs.type == TYPE_STATUS_BAR_PANEL) {
3959                    // Status bar panels are the only windows who can go on top of
3960                    // the status bar.  They are protected by the STATUS_BAR_SERVICE
3961                    // permission, so they have the same privileges as the status
3962                    // bar itself.
3963                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
3964                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
3965                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
3966                            + mRestrictedScreenWidth;
3967                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
3968                            + mRestrictedScreenHeight;
3969                } else if (attrs.type == TYPE_TOAST || attrs.type == TYPE_SYSTEM_ALERT
3970                        || attrs.type == TYPE_VOLUME_OVERLAY) {
3971                    // These dialogs are stable to interim decor changes.
3972                    pf.left = df.left = of.left = cf.left = mStableLeft;
3973                    pf.top = df.top = of.top = cf.top = mStableTop;
3974                    pf.right = df.right = of.right = cf.right = mStableRight;
3975                    pf.bottom = df.bottom = of.bottom = cf.bottom = mStableBottom;
3976                } else {
3977                    pf.left = mContentLeft;
3978                    pf.top = mContentTop;
3979                    pf.right = mContentRight;
3980                    pf.bottom = mContentBottom;
3981                    if (win.isVoiceInteraction()) {
3982                        df.left = of.left = cf.left = mVoiceContentLeft;
3983                        df.top = of.top = cf.top = mVoiceContentTop;
3984                        df.right = of.right = cf.right = mVoiceContentRight;
3985                        df.bottom = of.bottom = cf.bottom = mVoiceContentBottom;
3986                    } else if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
3987                        df.left = of.left = cf.left = mDockLeft;
3988                        df.top = of.top = cf.top = mDockTop;
3989                        df.right = of.right = cf.right = mDockRight;
3990                        df.bottom = of.bottom = cf.bottom = mDockBottom;
3991                    } else {
3992                        df.left = of.left = cf.left = mContentLeft;
3993                        df.top = of.top = cf.top = mContentTop;
3994                        df.right = of.right = cf.right = mContentRight;
3995                        df.bottom = of.bottom = cf.bottom = mContentBottom;
3996                    }
3997                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
3998                        vf.left = mCurLeft;
3999                        vf.top = mCurTop;
4000                        vf.right = mCurRight;
4001                        vf.bottom = mCurBottom;
4002                    } else {
4003                        vf.set(cf);
4004                    }
4005                }
4006            }
4007        }
4008
4009        // TYPE_SYSTEM_ERROR is above the NavigationBar so it can't be allowed to extend over it.
4010        if ((fl & FLAG_LAYOUT_NO_LIMITS) != 0 && attrs.type != TYPE_SYSTEM_ERROR) {
4011            df.left = df.top = -10000;
4012            df.right = df.bottom = 10000;
4013            if (attrs.type != TYPE_WALLPAPER) {
4014                of.left = of.top = cf.left = cf.top = vf.left = vf.top = -10000;
4015                of.right = of.bottom = cf.right = cf.bottom = vf.right = vf.bottom = 10000;
4016            }
4017        }
4018
4019        if (DEBUG_LAYOUT) Slog.v(TAG, "Compute frame " + attrs.getTitle()
4020                + ": sim=#" + Integer.toHexString(sim)
4021                + " attach=" + attached + " type=" + attrs.type
4022                + String.format(" flags=0x%08x", fl)
4023                + " pf=" + pf.toShortString() + " df=" + df.toShortString()
4024                + " of=" + of.toShortString()
4025                + " cf=" + cf.toShortString() + " vf=" + vf.toShortString()
4026                + " dcf=" + dcf.toShortString()
4027                + " sf=" + sf.toShortString());
4028
4029        win.computeFrameLw(pf, df, of, cf, vf, dcf, sf);
4030
4031        // Dock windows carve out the bottom of the screen, so normal windows
4032        // can't appear underneath them.
4033        if (attrs.type == TYPE_INPUT_METHOD && win.isVisibleOrBehindKeyguardLw()
4034                && !win.getGivenInsetsPendingLw()) {
4035            setLastInputMethodWindowLw(null, null);
4036            offsetInputMethodWindowLw(win);
4037        }
4038        if (attrs.type == TYPE_VOICE_INTERACTION && win.isVisibleOrBehindKeyguardLw()
4039                && !win.getGivenInsetsPendingLw()) {
4040            offsetVoiceInputWindowLw(win);
4041        }
4042    }
4043
4044    private void offsetInputMethodWindowLw(WindowState win) {
4045        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4046        top += win.getGivenContentInsetsLw().top;
4047        if (mContentBottom > top) {
4048            mContentBottom = top;
4049        }
4050        if (mVoiceContentBottom > top) {
4051            mVoiceContentBottom = top;
4052        }
4053        top = win.getVisibleFrameLw().top;
4054        top += win.getGivenVisibleInsetsLw().top;
4055        if (mCurBottom > top) {
4056            mCurBottom = top;
4057        }
4058        if (DEBUG_LAYOUT) Slog.v(TAG, "Input method: mDockBottom="
4059                + mDockBottom + " mContentBottom="
4060                + mContentBottom + " mCurBottom=" + mCurBottom);
4061    }
4062
4063    private void offsetVoiceInputWindowLw(WindowState win) {
4064        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4065        top += win.getGivenContentInsetsLw().top;
4066        if (mVoiceContentBottom > top) {
4067            mVoiceContentBottom = top;
4068        }
4069    }
4070
4071    /** {@inheritDoc} */
4072    @Override
4073    public void finishLayoutLw() {
4074        return;
4075    }
4076
4077    /** {@inheritDoc} */
4078    @Override
4079    public void beginPostLayoutPolicyLw(int displayWidth, int displayHeight) {
4080        mTopFullscreenOpaqueWindowState = null;
4081        mTopFullscreenOpaqueOrDimmingWindowState = null;
4082        mAppsToBeHidden.clear();
4083        mAppsThatDismissKeyguard.clear();
4084        mForceStatusBar = false;
4085        mForceStatusBarFromKeyguard = false;
4086        mForcingShowNavBar = false;
4087        mForcingShowNavBarLayer = -1;
4088
4089        mHideLockScreen = false;
4090        mAllowLockscreenWhenOn = false;
4091        mDismissKeyguard = DISMISS_KEYGUARD_NONE;
4092        mShowingLockscreen = false;
4093        mShowingDream = false;
4094        mWinShowWhenLocked = null;
4095        mKeyguardSecure = isKeyguardSecure();
4096        mKeyguardSecureIncludingHidden = mKeyguardSecure
4097                && (mKeyguardDelegate != null && mKeyguardDelegate.isShowing());
4098    }
4099
4100    /** {@inheritDoc} */
4101    @Override
4102    public void applyPostLayoutPolicyLw(WindowState win, WindowManager.LayoutParams attrs) {
4103        if (DEBUG_LAYOUT) Slog.i(TAG, "Win " + win + ": isVisibleOrBehindKeyguardLw="
4104                + win.isVisibleOrBehindKeyguardLw());
4105        final int fl = PolicyControl.getWindowFlags(win, attrs);
4106        if (mTopFullscreenOpaqueWindowState == null
4107                && win.isVisibleLw() && attrs.type == TYPE_INPUT_METHOD) {
4108            mForcingShowNavBar = true;
4109            mForcingShowNavBarLayer = win.getSurfaceLayer();
4110        }
4111        if (attrs.type == TYPE_STATUS_BAR && (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4112            mForceStatusBarFromKeyguard = true;
4113        }
4114        if (mTopFullscreenOpaqueWindowState == null &&
4115                win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()) {
4116            if ((fl & FLAG_FORCE_NOT_FULLSCREEN) != 0) {
4117                if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4118                    mForceStatusBarFromKeyguard = true;
4119                } else {
4120                    mForceStatusBar = true;
4121                }
4122            }
4123            if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4124                mShowingLockscreen = true;
4125            }
4126            boolean appWindow = attrs.type >= FIRST_APPLICATION_WINDOW
4127                    && attrs.type < FIRST_SYSTEM_WINDOW;
4128            if (attrs.type == TYPE_DREAM) {
4129                // If the lockscreen was showing when the dream started then wait
4130                // for the dream to draw before hiding the lockscreen.
4131                if (!mDreamingLockscreen
4132                        || (win.isVisibleLw() && win.hasDrawnLw())) {
4133                    mShowingDream = true;
4134                    appWindow = true;
4135                }
4136            }
4137
4138            final boolean showWhenLocked = (fl & FLAG_SHOW_WHEN_LOCKED) != 0;
4139            final boolean dismissKeyguard = (fl & FLAG_DISMISS_KEYGUARD) != 0;
4140            if (appWindow) {
4141                final IApplicationToken appToken = win.getAppToken();
4142                if (showWhenLocked) {
4143                    // Remove any previous windows with the same appToken.
4144                    mAppsToBeHidden.remove(appToken);
4145                    mAppsThatDismissKeyguard.remove(appToken);
4146                    if (mAppsToBeHidden.isEmpty()) {
4147                        if (dismissKeyguard && !mKeyguardSecure) {
4148                            mAppsThatDismissKeyguard.add(appToken);
4149                        } else {
4150                            mWinShowWhenLocked = win;
4151                            mHideLockScreen = true;
4152                            mForceStatusBarFromKeyguard = false;
4153                        }
4154                    }
4155                } else if (dismissKeyguard) {
4156                    if (mKeyguardSecure) {
4157                        mAppsToBeHidden.add(appToken);
4158                    } else {
4159                        mAppsToBeHidden.remove(appToken);
4160                    }
4161                    mAppsThatDismissKeyguard.add(appToken);
4162                } else {
4163                    mAppsToBeHidden.add(appToken);
4164                }
4165                if (attrs.x == 0 && attrs.y == 0
4166                        && attrs.width == WindowManager.LayoutParams.MATCH_PARENT
4167                        && attrs.height == WindowManager.LayoutParams.MATCH_PARENT) {
4168                    if (DEBUG_LAYOUT) Slog.v(TAG, "Fullscreen window: " + win);
4169                    mTopFullscreenOpaqueWindowState = win;
4170                    if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
4171                        mTopFullscreenOpaqueOrDimmingWindowState = win;
4172                    }
4173                    if (!mAppsThatDismissKeyguard.isEmpty() &&
4174                            mDismissKeyguard == DISMISS_KEYGUARD_NONE) {
4175                        if (DEBUG_LAYOUT) Slog.v(TAG,
4176                                "Setting mDismissKeyguard true by win " + win);
4177                        mDismissKeyguard = mWinDismissingKeyguard == win ?
4178                                DISMISS_KEYGUARD_CONTINUE : DISMISS_KEYGUARD_START;
4179                        mWinDismissingKeyguard = win;
4180                        mForceStatusBarFromKeyguard = mShowingLockscreen && mKeyguardSecure;
4181                    } else if (mAppsToBeHidden.isEmpty() && showWhenLocked) {
4182                        if (DEBUG_LAYOUT) Slog.v(TAG,
4183                                "Setting mHideLockScreen to true by win " + win);
4184                        mHideLockScreen = true;
4185                        mForceStatusBarFromKeyguard = false;
4186                    }
4187                    if ((fl & FLAG_ALLOW_LOCK_WHILE_SCREEN_ON) != 0) {
4188                        mAllowLockscreenWhenOn = true;
4189                    }
4190                }
4191
4192                if (mWinShowWhenLocked != null &&
4193                        mWinShowWhenLocked.getAppToken() != win.getAppToken()) {
4194                    win.hideLw(false);
4195                }
4196            }
4197        }
4198        if (mTopFullscreenOpaqueOrDimmingWindowState == null
4199                && win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()
4200                && win.isDimming()) {
4201            mTopFullscreenOpaqueOrDimmingWindowState = win;
4202        }
4203    }
4204
4205    /** {@inheritDoc} */
4206    @Override
4207    public int finishPostLayoutPolicyLw() {
4208        if (mWinShowWhenLocked != null &&
4209                mWinShowWhenLocked != mTopFullscreenOpaqueWindowState) {
4210            // A dialog is dismissing the keyguard. Put the wallpaper behind it and hide the
4211            // fullscreen window.
4212            // TODO: Make sure FLAG_SHOW_WALLPAPER is restored when dialog is dismissed. Or not.
4213            mWinShowWhenLocked.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
4214            mTopFullscreenOpaqueWindowState.hideLw(false);
4215            mTopFullscreenOpaqueWindowState = mWinShowWhenLocked;
4216        }
4217
4218        int changes = 0;
4219        boolean topIsFullscreen = false;
4220
4221        final WindowManager.LayoutParams lp = (mTopFullscreenOpaqueWindowState != null)
4222                ? mTopFullscreenOpaqueWindowState.getAttrs()
4223                : null;
4224
4225        // If we are not currently showing a dream then remember the current
4226        // lockscreen state.  We will use this to determine whether the dream
4227        // started while the lockscreen was showing and remember this state
4228        // while the dream is showing.
4229        if (!mShowingDream) {
4230            mDreamingLockscreen = mShowingLockscreen;
4231        }
4232
4233        if (mStatusBar != null) {
4234            if (DEBUG_LAYOUT) Slog.i(TAG, "force=" + mForceStatusBar
4235                    + " forcefkg=" + mForceStatusBarFromKeyguard
4236                    + " top=" + mTopFullscreenOpaqueWindowState);
4237            if (mForceStatusBar || mForceStatusBarFromKeyguard) {
4238                if (DEBUG_LAYOUT) Slog.v(TAG, "Showing status bar: forced");
4239                if (mStatusBarController.setBarShowingLw(true)) {
4240                    changes |= FINISH_LAYOUT_REDO_LAYOUT;
4241                }
4242                // Maintain fullscreen layout until incoming animation is complete.
4243                topIsFullscreen = mTopIsFullscreen && mStatusBar.isAnimatingLw();
4244                // Transient status bar on the lockscreen is not allowed
4245                if (mForceStatusBarFromKeyguard && mStatusBarController.isTransientShowing()) {
4246                    mStatusBarController.updateVisibilityLw(false /*transientAllowed*/,
4247                            mLastSystemUiFlags, mLastSystemUiFlags);
4248                }
4249            } else if (mTopFullscreenOpaqueWindowState != null) {
4250                final int fl = PolicyControl.getWindowFlags(null, lp);
4251                if (localLOGV) {
4252                    Slog.d(TAG, "frame: " + mTopFullscreenOpaqueWindowState.getFrameLw()
4253                            + " shown frame: " + mTopFullscreenOpaqueWindowState.getShownFrameLw());
4254                    Slog.d(TAG, "attr: " + mTopFullscreenOpaqueWindowState.getAttrs()
4255                            + " lp.flags=0x" + Integer.toHexString(fl));
4256                }
4257                topIsFullscreen = (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0
4258                        || (mLastSystemUiFlags & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
4259                // The subtle difference between the window for mTopFullscreenOpaqueWindowState
4260                // and mTopIsFullscreen is that mTopIsFullscreen is set only if the window
4261                // has the FLAG_FULLSCREEN set.  Not sure if there is another way that to be the
4262                // case though.
4263                if (mStatusBarController.isTransientShowing()) {
4264                    if (mStatusBarController.setBarShowingLw(true)) {
4265                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4266                    }
4267                } else if (topIsFullscreen) {
4268                    if (DEBUG_LAYOUT) Slog.v(TAG, "** HIDING status bar");
4269                    if (mStatusBarController.setBarShowingLw(false)) {
4270                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4271                    } else {
4272                        if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar already hiding");
4273                    }
4274                } else {
4275                    if (DEBUG_LAYOUT) Slog.v(TAG, "** SHOWING status bar: top is not fullscreen");
4276                    if (mStatusBarController.setBarShowingLw(true)) {
4277                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4278                    }
4279                }
4280            }
4281        }
4282
4283        if (mTopIsFullscreen != topIsFullscreen) {
4284            if (!topIsFullscreen) {
4285                // Force another layout when status bar becomes fully shown.
4286                changes |= FINISH_LAYOUT_REDO_LAYOUT;
4287            }
4288            mTopIsFullscreen = topIsFullscreen;
4289        }
4290
4291        // Hide the key guard if a visible window explicitly specifies that it wants to be
4292        // displayed when the screen is locked.
4293        if (mKeyguardDelegate != null && mStatusBar != null) {
4294            if (localLOGV) Slog.v(TAG, "finishPostLayoutPolicyLw: mHideKeyguard="
4295                    + mHideLockScreen);
4296            if (mDismissKeyguard != DISMISS_KEYGUARD_NONE && !mKeyguardSecure) {
4297                mKeyguardHidden = true;
4298                if (setKeyguardOccludedLw(true)) {
4299                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4300                            | FINISH_LAYOUT_REDO_CONFIG
4301                            | FINISH_LAYOUT_REDO_WALLPAPER;
4302                }
4303                if (mKeyguardDelegate.isShowing()) {
4304                    mHandler.post(new Runnable() {
4305                        @Override
4306                        public void run() {
4307                            mKeyguardDelegate.keyguardDone(false, false);
4308                        }
4309                    });
4310                }
4311            } else if (mHideLockScreen) {
4312                mKeyguardHidden = true;
4313                if (setKeyguardOccludedLw(true)) {
4314                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4315                            | FINISH_LAYOUT_REDO_CONFIG
4316                            | FINISH_LAYOUT_REDO_WALLPAPER;
4317                }
4318            } else if (mDismissKeyguard != DISMISS_KEYGUARD_NONE) {
4319                // This is the case of keyguard isSecure() and not mHideLockScreen.
4320                if (mDismissKeyguard == DISMISS_KEYGUARD_START) {
4321                    // Only launch the next keyguard unlock window once per window.
4322                    mKeyguardHidden = false;
4323                    if (setKeyguardOccludedLw(false)) {
4324                        changes |= FINISH_LAYOUT_REDO_LAYOUT
4325                                | FINISH_LAYOUT_REDO_CONFIG
4326                                | FINISH_LAYOUT_REDO_WALLPAPER;
4327                    }
4328                    mHandler.post(new Runnable() {
4329                        @Override
4330                        public void run() {
4331                            mKeyguardDelegate.dismiss();
4332                        }
4333                    });
4334                }
4335            } else {
4336                mWinDismissingKeyguard = null;
4337                mKeyguardHidden = false;
4338                if (setKeyguardOccludedLw(false)) {
4339                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4340                            | FINISH_LAYOUT_REDO_CONFIG
4341                            | FINISH_LAYOUT_REDO_WALLPAPER;
4342                }
4343            }
4344        }
4345
4346        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
4347            // If the navigation bar has been hidden or shown, we need to do another
4348            // layout pass to update that window.
4349            changes |= FINISH_LAYOUT_REDO_LAYOUT;
4350        }
4351
4352        // update since mAllowLockscreenWhenOn might have changed
4353        updateLockScreenTimeout();
4354        return changes;
4355    }
4356
4357    /**
4358     * Updates the occluded state of the Keyguard.
4359     *
4360     * @return Whether the flags have changed and we have to redo the layout.
4361     */
4362    private boolean setKeyguardOccludedLw(boolean isOccluded) {
4363        boolean wasOccluded = mKeyguardOccluded;
4364        boolean showing = mKeyguardDelegate.isShowing();
4365        if (wasOccluded && !isOccluded && showing) {
4366            mKeyguardOccluded = false;
4367            mKeyguardDelegate.setOccluded(false);
4368            mStatusBar.getAttrs().privateFlags |= PRIVATE_FLAG_KEYGUARD;
4369            mStatusBar.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
4370            return true;
4371        } else if (!wasOccluded && isOccluded && showing) {
4372            mKeyguardOccluded = true;
4373            mKeyguardDelegate.setOccluded(true);
4374            mStatusBar.getAttrs().privateFlags &= ~PRIVATE_FLAG_KEYGUARD;
4375            mStatusBar.getAttrs().flags &= ~FLAG_SHOW_WALLPAPER;
4376            return true;
4377        } else {
4378            return false;
4379        }
4380    }
4381
4382    private boolean isStatusBarKeyguard() {
4383        return mStatusBar != null
4384                && (mStatusBar.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
4385    }
4386
4387    @Override
4388    public boolean allowAppAnimationsLw() {
4389        if (isStatusBarKeyguard() || mShowingDream) {
4390            // If keyguard or dreams is currently visible, no reason to animate behind it.
4391            return false;
4392        }
4393        return true;
4394    }
4395
4396    @Override
4397    public int focusChangedLw(WindowState lastFocus, WindowState newFocus) {
4398        mFocusedWindow = newFocus;
4399        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
4400            // If the navigation bar has been hidden or shown, we need to do another
4401            // layout pass to update that window.
4402            return FINISH_LAYOUT_REDO_LAYOUT;
4403        }
4404        return 0;
4405    }
4406
4407    /** {@inheritDoc} */
4408    @Override
4409    public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
4410        // lid changed state
4411        final int newLidState = lidOpen ? LID_OPEN : LID_CLOSED;
4412        if (newLidState == mLidState) {
4413            return;
4414        }
4415
4416        mLidState = newLidState;
4417        applyLidSwitchState();
4418        updateRotation(true);
4419
4420        if (lidOpen) {
4421            wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromLidSwitch);
4422        } else if (!mLidControlsSleep) {
4423            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
4424        }
4425    }
4426
4427    @Override
4428    public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) {
4429        int lensCoverState = lensCovered ? CAMERA_LENS_COVERED : CAMERA_LENS_UNCOVERED;
4430        if (mCameraLensCoverState == lensCoverState) {
4431            return;
4432        }
4433        if (mCameraLensCoverState == CAMERA_LENS_COVERED &&
4434                lensCoverState == CAMERA_LENS_UNCOVERED) {
4435            Intent intent;
4436            final boolean keyguardActive = mKeyguardDelegate == null ? false :
4437                    mKeyguardDelegate.isShowing();
4438            if (keyguardActive) {
4439                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);
4440            } else {
4441                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
4442            }
4443            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromCameraLens);
4444            startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
4445        }
4446        mCameraLensCoverState = lensCoverState;
4447    }
4448
4449    void setHdmiPlugged(boolean plugged) {
4450        if (mHdmiPlugged != plugged) {
4451            mHdmiPlugged = plugged;
4452            updateRotation(true, true);
4453            Intent intent = new Intent(ACTION_HDMI_PLUGGED);
4454            intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
4455            intent.putExtra(EXTRA_HDMI_PLUGGED_STATE, plugged);
4456            mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
4457        }
4458    }
4459
4460    void initializeHdmiState() {
4461        boolean plugged = false;
4462        // watch for HDMI plug messages if the hdmi switch exists
4463        if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
4464            mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
4465
4466            final String filename = "/sys/class/switch/hdmi/state";
4467            FileReader reader = null;
4468            try {
4469                reader = new FileReader(filename);
4470                char[] buf = new char[15];
4471                int n = reader.read(buf);
4472                if (n > 1) {
4473                    plugged = 0 != Integer.parseInt(new String(buf, 0, n-1));
4474                }
4475            } catch (IOException ex) {
4476                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
4477            } catch (NumberFormatException ex) {
4478                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
4479            } finally {
4480                if (reader != null) {
4481                    try {
4482                        reader.close();
4483                    } catch (IOException ex) {
4484                    }
4485                }
4486            }
4487        }
4488        // This dance forces the code in setHdmiPlugged to run.
4489        // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
4490        mHdmiPlugged = !plugged;
4491        setHdmiPlugged(!mHdmiPlugged);
4492    }
4493
4494    final Object mScreenshotLock = new Object();
4495    ServiceConnection mScreenshotConnection = null;
4496
4497    final Runnable mScreenshotTimeout = new Runnable() {
4498        @Override public void run() {
4499            synchronized (mScreenshotLock) {
4500                if (mScreenshotConnection != null) {
4501                    mContext.unbindService(mScreenshotConnection);
4502                    mScreenshotConnection = null;
4503                }
4504            }
4505        }
4506    };
4507
4508    // Assume this is called from the Handler thread.
4509    private void takeScreenshot() {
4510        synchronized (mScreenshotLock) {
4511            if (mScreenshotConnection != null) {
4512                return;
4513            }
4514            ComponentName cn = new ComponentName("com.android.systemui",
4515                    "com.android.systemui.screenshot.TakeScreenshotService");
4516            Intent intent = new Intent();
4517            intent.setComponent(cn);
4518            ServiceConnection conn = new ServiceConnection() {
4519                @Override
4520                public void onServiceConnected(ComponentName name, IBinder service) {
4521                    synchronized (mScreenshotLock) {
4522                        if (mScreenshotConnection != this) {
4523                            return;
4524                        }
4525                        Messenger messenger = new Messenger(service);
4526                        Message msg = Message.obtain(null, 1);
4527                        final ServiceConnection myConn = this;
4528                        Handler h = new Handler(mHandler.getLooper()) {
4529                            @Override
4530                            public void handleMessage(Message msg) {
4531                                synchronized (mScreenshotLock) {
4532                                    if (mScreenshotConnection == myConn) {
4533                                        mContext.unbindService(mScreenshotConnection);
4534                                        mScreenshotConnection = null;
4535                                        mHandler.removeCallbacks(mScreenshotTimeout);
4536                                    }
4537                                }
4538                            }
4539                        };
4540                        msg.replyTo = new Messenger(h);
4541                        msg.arg1 = msg.arg2 = 0;
4542                        if (mStatusBar != null && mStatusBar.isVisibleLw())
4543                            msg.arg1 = 1;
4544                        if (mNavigationBar != null && mNavigationBar.isVisibleLw())
4545                            msg.arg2 = 1;
4546                        try {
4547                            messenger.send(msg);
4548                        } catch (RemoteException e) {
4549                        }
4550                    }
4551                }
4552                @Override
4553                public void onServiceDisconnected(ComponentName name) {}
4554            };
4555            if (mContext.bindServiceAsUser(
4556                    intent, conn, Context.BIND_AUTO_CREATE, UserHandle.CURRENT)) {
4557                mScreenshotConnection = conn;
4558                mHandler.postDelayed(mScreenshotTimeout, 10000);
4559            }
4560        }
4561    }
4562
4563    /** {@inheritDoc} */
4564    @Override
4565    public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) {
4566        if (!mSystemBooted) {
4567            // If we have not yet booted, don't let key events do anything.
4568            return 0;
4569        }
4570
4571        final boolean interactive = (policyFlags & FLAG_INTERACTIVE) != 0;
4572        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
4573        final boolean canceled = event.isCanceled();
4574        final int keyCode = event.getKeyCode();
4575
4576        final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;
4577
4578        // If screen is off then we treat the case where the keyguard is open but hidden
4579        // the same as if it were open and in front.
4580        // This will prevent any keys other than the power button from waking the screen
4581        // when the keyguard is hidden by another activity.
4582        final boolean keyguardActive = (mKeyguardDelegate == null ? false :
4583                                            (interactive ?
4584                                                isKeyguardShowingAndNotOccluded() :
4585                                                mKeyguardDelegate.isShowing()));
4586
4587        if (DEBUG_INPUT) {
4588            Log.d(TAG, "interceptKeyTq keycode=" + keyCode
4589                    + " interactive=" + interactive + " keyguardActive=" + keyguardActive
4590                    + " policyFlags=" + Integer.toHexString(policyFlags));
4591        }
4592
4593        // Basic policy based on interactive state.
4594        int result;
4595        boolean isWakeKey = (policyFlags & WindowManagerPolicy.FLAG_WAKE) != 0
4596                || event.isWakeKey();
4597        if (interactive || (isInjected && !isWakeKey)) {
4598            // When the device is interactive or the key is injected pass the
4599            // key to the application.
4600            result = ACTION_PASS_TO_USER;
4601            isWakeKey = false;
4602        } else if (!interactive && shouldDispatchInputWhenNonInteractive()) {
4603            // If we're currently dozing with the screen on and the keyguard showing, pass the key
4604            // to the application but preserve its wake key status to make sure we still move
4605            // from dozing to fully interactive if we would normally go from off to fully
4606            // interactive.
4607            result = ACTION_PASS_TO_USER;
4608        } else {
4609            // When the screen is off and the key is not injected, determine whether
4610            // to wake the device but don't pass the key to the application.
4611            result = 0;
4612            if (isWakeKey && (!down || !isWakeKeyWhenScreenOff(keyCode))) {
4613                isWakeKey = false;
4614            }
4615        }
4616
4617        // If the key would be handled globally, just return the result, don't worry about special
4618        // key processing.
4619        if (isValidGlobalKey(keyCode)
4620                && mGlobalKeyManager.shouldHandleGlobalKey(keyCode, event)) {
4621            if (isWakeKey) {
4622                wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey);
4623            }
4624            return result;
4625        }
4626
4627        boolean useHapticFeedback = down
4628                && (policyFlags & WindowManagerPolicy.FLAG_VIRTUAL) != 0
4629                && event.getRepeatCount() == 0;
4630
4631        // Handle special keys.
4632        switch (keyCode) {
4633            case KeyEvent.KEYCODE_VOLUME_DOWN:
4634            case KeyEvent.KEYCODE_VOLUME_UP:
4635            case KeyEvent.KEYCODE_VOLUME_MUTE: {
4636                if (mUseTvRouting) {
4637                    // On TVs volume keys never go to the foreground app
4638                    result &= ~ACTION_PASS_TO_USER;
4639                }
4640                if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
4641                    if (down) {
4642                        if (interactive && !mScreenshotChordVolumeDownKeyTriggered
4643                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
4644                            mScreenshotChordVolumeDownKeyTriggered = true;
4645                            mScreenshotChordVolumeDownKeyTime = event.getDownTime();
4646                            mScreenshotChordVolumeDownKeyConsumed = false;
4647                            cancelPendingPowerKeyAction();
4648                            interceptScreenshotChord();
4649                        }
4650                    } else {
4651                        mScreenshotChordVolumeDownKeyTriggered = false;
4652                        cancelPendingScreenshotChordAction();
4653                    }
4654                } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
4655                    if (down) {
4656                        if (interactive && !mScreenshotChordVolumeUpKeyTriggered
4657                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
4658                            mScreenshotChordVolumeUpKeyTriggered = true;
4659                            cancelPendingPowerKeyAction();
4660                            cancelPendingScreenshotChordAction();
4661                        }
4662                    } else {
4663                        mScreenshotChordVolumeUpKeyTriggered = false;
4664                        cancelPendingScreenshotChordAction();
4665                    }
4666                }
4667                if (down) {
4668                    TelecomManager telecomManager = getTelecommService();
4669                    if (telecomManager != null) {
4670                        if (telecomManager.isRinging()) {
4671                            // If an incoming call is ringing, either VOLUME key means
4672                            // "silence ringer".  We handle these keys here, rather than
4673                            // in the InCallScreen, to make sure we'll respond to them
4674                            // even if the InCallScreen hasn't come to the foreground yet.
4675                            // Look for the DOWN event here, to agree with the "fallback"
4676                            // behavior in the InCallScreen.
4677                            Log.i(TAG, "interceptKeyBeforeQueueing:"
4678                                  + " VOLUME key-down while ringing: Silence ringer!");
4679
4680                            // Silence the ringer.  (It's safe to call this
4681                            // even if the ringer has already been silenced.)
4682                            telecomManager.silenceRinger();
4683
4684                            // And *don't* pass this key thru to the current activity
4685                            // (which is probably the InCallScreen.)
4686                            result &= ~ACTION_PASS_TO_USER;
4687                            break;
4688                        }
4689                        if (telecomManager.isInCall()
4690                                && (result & ACTION_PASS_TO_USER) == 0) {
4691                            // If we are in call but we decided not to pass the key to
4692                            // the application, just pass it to the session service.
4693
4694                            MediaSessionLegacyHelper.getHelper(mContext)
4695                                    .sendVolumeKeyEvent(event, false);
4696                            break;
4697                        }
4698                    }
4699
4700                    if ((result & ACTION_PASS_TO_USER) == 0) {
4701                        if (mUseTvRouting) {
4702                            dispatchDirectAudioEvent(event);
4703                        } else {
4704                            // If we aren't passing to the user and no one else
4705                            // handled it send it to the session manager to
4706                            // figure out.
4707                            MediaSessionLegacyHelper.getHelper(mContext)
4708                                    .sendVolumeKeyEvent(event, true);
4709                        }
4710                        break;
4711                    }
4712                }
4713                break;
4714            }
4715
4716            case KeyEvent.KEYCODE_ENDCALL: {
4717                result &= ~ACTION_PASS_TO_USER;
4718                if (down) {
4719                    TelecomManager telecomManager = getTelecommService();
4720                    boolean hungUp = false;
4721                    if (telecomManager != null) {
4722                        hungUp = telecomManager.endCall();
4723                    }
4724                    if (interactive && !hungUp) {
4725                        mEndCallKeyHandled = false;
4726                        mHandler.postDelayed(mEndCallLongPress,
4727                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
4728                    } else {
4729                        mEndCallKeyHandled = true;
4730                    }
4731                } else {
4732                    if (!mEndCallKeyHandled) {
4733                        mHandler.removeCallbacks(mEndCallLongPress);
4734                        if (!canceled) {
4735                            if ((mEndcallBehavior
4736                                    & Settings.System.END_BUTTON_BEHAVIOR_HOME) != 0) {
4737                                if (goHome()) {
4738                                    break;
4739                                }
4740                            }
4741                            if ((mEndcallBehavior
4742                                    & Settings.System.END_BUTTON_BEHAVIOR_SLEEP) != 0) {
4743                                mPowerManager.goToSleep(event.getEventTime(),
4744                                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
4745                                isWakeKey = false;
4746                            }
4747                        }
4748                    }
4749                }
4750                break;
4751            }
4752
4753            case KeyEvent.KEYCODE_POWER: {
4754                result &= ~ACTION_PASS_TO_USER;
4755                isWakeKey = false; // wake-up will be handled separately
4756                if (down) {
4757                    interceptPowerKeyDown(event, interactive);
4758                } else {
4759                    interceptPowerKeyUp(event, interactive, canceled);
4760                }
4761                break;
4762            }
4763
4764            case KeyEvent.KEYCODE_SLEEP: {
4765                result &= ~ACTION_PASS_TO_USER;
4766                isWakeKey = false;
4767                if (!mPowerManager.isInteractive()) {
4768                    useHapticFeedback = false; // suppress feedback if already non-interactive
4769                }
4770                sleepPress(event);
4771                break;
4772            }
4773
4774            case KeyEvent.KEYCODE_WAKEUP: {
4775                result &= ~ACTION_PASS_TO_USER;
4776                isWakeKey = true;
4777                break;
4778            }
4779
4780            case KeyEvent.KEYCODE_MEDIA_PLAY:
4781            case KeyEvent.KEYCODE_MEDIA_PAUSE:
4782            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
4783            case KeyEvent.KEYCODE_HEADSETHOOK:
4784            case KeyEvent.KEYCODE_MUTE:
4785            case KeyEvent.KEYCODE_MEDIA_STOP:
4786            case KeyEvent.KEYCODE_MEDIA_NEXT:
4787            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
4788            case KeyEvent.KEYCODE_MEDIA_REWIND:
4789            case KeyEvent.KEYCODE_MEDIA_RECORD:
4790            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
4791            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: {
4792                if (MediaSessionLegacyHelper.getHelper(mContext).isGlobalPriorityActive()) {
4793                    // If the global session is active pass all media keys to it
4794                    // instead of the active window.
4795                    result &= ~ACTION_PASS_TO_USER;
4796                }
4797                if ((result & ACTION_PASS_TO_USER) == 0) {
4798                    // Only do this if we would otherwise not pass it to the user. In that
4799                    // case, the PhoneWindow class will do the same thing, except it will
4800                    // only do it if the showing app doesn't process the key on its own.
4801                    // Note that we need to make a copy of the key event here because the
4802                    // original key event will be recycled when we return.
4803                    mBroadcastWakeLock.acquire();
4804                    Message msg = mHandler.obtainMessage(MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK,
4805                            new KeyEvent(event));
4806                    msg.setAsynchronous(true);
4807                    msg.sendToTarget();
4808                }
4809                break;
4810            }
4811
4812            case KeyEvent.KEYCODE_CALL: {
4813                if (down) {
4814                    TelecomManager telecomManager = getTelecommService();
4815                    if (telecomManager != null) {
4816                        if (telecomManager.isRinging()) {
4817                            Log.i(TAG, "interceptKeyBeforeQueueing:"
4818                                  + " CALL key-down while ringing: Answer the call!");
4819                            telecomManager.acceptRingingCall();
4820
4821                            // And *don't* pass this key thru to the current activity
4822                            // (which is presumably the InCallScreen.)
4823                            result &= ~ACTION_PASS_TO_USER;
4824                        }
4825                    }
4826                }
4827                break;
4828            }
4829            case KeyEvent.KEYCODE_VOICE_ASSIST: {
4830                // Only do this if we would otherwise not pass it to the user. In that case,
4831                // interceptKeyBeforeDispatching would apply a similar but different policy in
4832                // order to invoke voice assist actions. Note that we need to make a copy of the
4833                // key event here because the original key event will be recycled when we return.
4834                if ((result & ACTION_PASS_TO_USER) == 0 && !down) {
4835                    mBroadcastWakeLock.acquire();
4836                    Message msg = mHandler.obtainMessage(MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK,
4837                            keyguardActive ? 1 : 0, 0);
4838                    msg.setAsynchronous(true);
4839                    msg.sendToTarget();
4840                }
4841            }
4842        }
4843
4844        if (useHapticFeedback) {
4845            performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
4846        }
4847
4848        if (isWakeKey) {
4849            wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey);
4850        }
4851
4852        return result;
4853    }
4854
4855    /**
4856     * Returns true if the key can have global actions attached to it.
4857     * We reserve all power management keys for the system since they require
4858     * very careful handling.
4859     */
4860    private static boolean isValidGlobalKey(int keyCode) {
4861        switch (keyCode) {
4862            case KeyEvent.KEYCODE_POWER:
4863            case KeyEvent.KEYCODE_WAKEUP:
4864            case KeyEvent.KEYCODE_SLEEP:
4865                return false;
4866            default:
4867                return true;
4868        }
4869    }
4870
4871    /**
4872     * When the screen is off we ignore some keys that might otherwise typically
4873     * be considered wake keys.  We filter them out here.
4874     *
4875     * {@link KeyEvent#KEYCODE_POWER} is notably absent from this list because it
4876     * is always considered a wake key.
4877     */
4878    private boolean isWakeKeyWhenScreenOff(int keyCode) {
4879        switch (keyCode) {
4880            // ignore volume keys unless docked
4881            case KeyEvent.KEYCODE_VOLUME_UP:
4882            case KeyEvent.KEYCODE_VOLUME_DOWN:
4883            case KeyEvent.KEYCODE_VOLUME_MUTE:
4884                return mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;
4885
4886            // ignore media and camera keys
4887            case KeyEvent.KEYCODE_MUTE:
4888            case KeyEvent.KEYCODE_HEADSETHOOK:
4889            case KeyEvent.KEYCODE_MEDIA_PLAY:
4890            case KeyEvent.KEYCODE_MEDIA_PAUSE:
4891            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
4892            case KeyEvent.KEYCODE_MEDIA_STOP:
4893            case KeyEvent.KEYCODE_MEDIA_NEXT:
4894            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
4895            case KeyEvent.KEYCODE_MEDIA_REWIND:
4896            case KeyEvent.KEYCODE_MEDIA_RECORD:
4897            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
4898            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK:
4899            case KeyEvent.KEYCODE_CAMERA:
4900                return false;
4901        }
4902        return true;
4903    }
4904
4905
4906    /** {@inheritDoc} */
4907    @Override
4908    public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) {
4909        if ((policyFlags & FLAG_WAKE) != 0) {
4910            if (wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotion)) {
4911                return 0;
4912            }
4913        }
4914
4915        if (shouldDispatchInputWhenNonInteractive()) {
4916            return ACTION_PASS_TO_USER;
4917        }
4918
4919        // If we have not passed the action up and we are in theater mode without dreaming,
4920        // there will be no dream to intercept the touch and wake into ambient.  The device should
4921        // wake up in this case.
4922        if (isTheaterModeEnabled() && (policyFlags & FLAG_WAKE) != 0) {
4923            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotionWhenNotDreaming);
4924        }
4925
4926        return 0;
4927    }
4928
4929    private boolean shouldDispatchInputWhenNonInteractive() {
4930        // Send events to keyguard while the screen is on.
4931        if (isKeyguardShowingAndNotOccluded() && mDisplay != null
4932                && mDisplay.getState() != Display.STATE_OFF) {
4933            return true;
4934        }
4935
4936        // Send events to a dozing dream even if the screen is off since the dream
4937        // is in control of the state of the screen.
4938        IDreamManager dreamManager = getDreamManager();
4939
4940        try {
4941            if (dreamManager != null && dreamManager.isDreaming()) {
4942                return true;
4943            }
4944        } catch (RemoteException e) {
4945            Slog.e(TAG, "RemoteException when checking if dreaming", e);
4946        }
4947
4948        // Otherwise, consume events since the user can't see what is being
4949        // interacted with.
4950        return false;
4951    }
4952
4953    private void dispatchDirectAudioEvent(KeyEvent event) {
4954        if (event.getAction() != KeyEvent.ACTION_DOWN) {
4955            return;
4956        }
4957        int keyCode = event.getKeyCode();
4958        int flags = AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_PLAY_SOUND
4959                | AudioManager.FLAG_FROM_KEY;
4960        String pkgName = mContext.getOpPackageName();
4961        switch (keyCode) {
4962            case KeyEvent.KEYCODE_VOLUME_UP:
4963                try {
4964                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_RAISE,
4965                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
4966                } catch (RemoteException e) {
4967                    Log.e(TAG, "Error dispatching volume up in dispatchTvAudioEvent.", e);
4968                }
4969                break;
4970            case KeyEvent.KEYCODE_VOLUME_DOWN:
4971                try {
4972                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_LOWER,
4973                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
4974                } catch (RemoteException e) {
4975                    Log.e(TAG, "Error dispatching volume down in dispatchTvAudioEvent.", e);
4976                }
4977                break;
4978            case KeyEvent.KEYCODE_VOLUME_MUTE:
4979                try {
4980                    if (event.getRepeatCount() == 0) {
4981                        getAudioService().adjustSuggestedStreamVolume(
4982                                AudioManager.ADJUST_TOGGLE_MUTE,
4983                                AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
4984                    }
4985                } catch (RemoteException e) {
4986                    Log.e(TAG, "Error dispatching mute in dispatchTvAudioEvent.", e);
4987                }
4988                break;
4989        }
4990    }
4991
4992    void dispatchMediaKeyWithWakeLock(KeyEvent event) {
4993        if (DEBUG_INPUT) {
4994            Slog.d(TAG, "dispatchMediaKeyWithWakeLock: " + event);
4995        }
4996
4997        if (mHavePendingMediaKeyRepeatWithWakeLock) {
4998            if (DEBUG_INPUT) {
4999                Slog.d(TAG, "dispatchMediaKeyWithWakeLock: canceled repeat");
5000            }
5001
5002            mHandler.removeMessages(MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK);
5003            mHavePendingMediaKeyRepeatWithWakeLock = false;
5004            mBroadcastWakeLock.release(); // pending repeat was holding onto the wake lock
5005        }
5006
5007        dispatchMediaKeyWithWakeLockToAudioService(event);
5008
5009        if (event.getAction() == KeyEvent.ACTION_DOWN
5010                && event.getRepeatCount() == 0) {
5011            mHavePendingMediaKeyRepeatWithWakeLock = true;
5012
5013            Message msg = mHandler.obtainMessage(
5014                    MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK, event);
5015            msg.setAsynchronous(true);
5016            mHandler.sendMessageDelayed(msg, ViewConfiguration.getKeyRepeatTimeout());
5017        } else {
5018            mBroadcastWakeLock.release();
5019        }
5020    }
5021
5022    void dispatchMediaKeyRepeatWithWakeLock(KeyEvent event) {
5023        mHavePendingMediaKeyRepeatWithWakeLock = false;
5024
5025        KeyEvent repeatEvent = KeyEvent.changeTimeRepeat(event,
5026                SystemClock.uptimeMillis(), 1, event.getFlags() | KeyEvent.FLAG_LONG_PRESS);
5027        if (DEBUG_INPUT) {
5028            Slog.d(TAG, "dispatchMediaKeyRepeatWithWakeLock: " + repeatEvent);
5029        }
5030
5031        dispatchMediaKeyWithWakeLockToAudioService(repeatEvent);
5032        mBroadcastWakeLock.release();
5033    }
5034
5035    void dispatchMediaKeyWithWakeLockToAudioService(KeyEvent event) {
5036        if (ActivityManagerNative.isSystemReady()) {
5037            MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(event, true);
5038        }
5039    }
5040
5041    void launchVoiceAssistWithWakeLock(boolean keyguardActive) {
5042        Intent voiceIntent =
5043            new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
5044        voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, keyguardActive);
5045        startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
5046        mBroadcastWakeLock.release();
5047    }
5048
5049    BroadcastReceiver mDockReceiver = new BroadcastReceiver() {
5050        @Override
5051        public void onReceive(Context context, Intent intent) {
5052            if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
5053                mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
5054                        Intent.EXTRA_DOCK_STATE_UNDOCKED);
5055            } else {
5056                try {
5057                    IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
5058                            ServiceManager.getService(Context.UI_MODE_SERVICE));
5059                    mUiMode = uiModeService.getCurrentModeType();
5060                } catch (RemoteException e) {
5061                }
5062            }
5063            updateRotation(true);
5064            synchronized (mLock) {
5065                updateOrientationListenerLp();
5066            }
5067        }
5068    };
5069
5070    BroadcastReceiver mDreamReceiver = new BroadcastReceiver() {
5071        @Override
5072        public void onReceive(Context context, Intent intent) {
5073            if (Intent.ACTION_DREAMING_STARTED.equals(intent.getAction())) {
5074                if (mKeyguardDelegate != null) {
5075                    mKeyguardDelegate.onDreamingStarted();
5076                }
5077            } else if (Intent.ACTION_DREAMING_STOPPED.equals(intent.getAction())) {
5078                if (mKeyguardDelegate != null) {
5079                    mKeyguardDelegate.onDreamingStopped();
5080                }
5081            }
5082        }
5083    };
5084
5085    BroadcastReceiver mMultiuserReceiver = new BroadcastReceiver() {
5086        @Override
5087        public void onReceive(Context context, Intent intent) {
5088            if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) {
5089                // tickle the settings observer: this first ensures that we're
5090                // observing the relevant settings for the newly-active user,
5091                // and then updates our own bookkeeping based on the now-
5092                // current user.
5093                mSettingsObserver.onChange(false);
5094
5095                // force a re-application of focused window sysui visibility.
5096                // the window may never have been shown for this user
5097                // e.g. the keyguard when going through the new-user setup flow
5098                synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5099                    mLastSystemUiFlags = 0;
5100                    updateSystemUiVisibilityLw();
5101                }
5102            }
5103        }
5104    };
5105
5106    private final Runnable mRequestTransientNav = new Runnable() {
5107        @Override
5108        public void run() {
5109            requestTransientBars(mNavigationBar);
5110        }
5111    };
5112
5113    private void requestTransientBars(WindowState swipeTarget) {
5114        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5115            if (!isUserSetupComplete()) {
5116                // Swipe-up for navigation bar is disabled during setup
5117                return;
5118            }
5119            boolean sb = mStatusBarController.checkShowTransientBarLw();
5120            boolean nb = mNavigationBarController.checkShowTransientBarLw();
5121            if (sb || nb) {
5122                // Don't show status bar when swiping on already visible navigation bar
5123                if (!nb && swipeTarget == mNavigationBar) {
5124                    if (DEBUG) Slog.d(TAG, "Not showing transient bar, wrong swipe target");
5125                    return;
5126                }
5127                if (sb) mStatusBarController.showTransient();
5128                if (nb) mNavigationBarController.showTransient();
5129                mImmersiveModeConfirmation.confirmCurrentPrompt();
5130                updateSystemUiVisibilityLw();
5131            }
5132        }
5133    }
5134
5135    // Called on the PowerManager's Notifier thread.
5136    @Override
5137    public void goingToSleep(int why) {
5138        EventLog.writeEvent(70000, 0);
5139        if (DEBUG_WAKEUP) Slog.i(TAG, "Going to sleep...");
5140
5141        // We must get this work done here because the power manager will drop
5142        // the wake lock and let the system suspend once this function returns.
5143        synchronized (mLock) {
5144            mAwake = false;
5145            mKeyguardDrawComplete = false;
5146            updateWakeGestureListenerLp();
5147            updateOrientationListenerLp();
5148            updateLockScreenTimeout();
5149        }
5150
5151        if (mKeyguardDelegate != null) {
5152            mKeyguardDelegate.onScreenTurnedOff(why);
5153        }
5154    }
5155
5156    private void wakeUpFromPowerKey(long eventTime) {
5157        wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey);
5158    }
5159
5160    private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode) {
5161        if (!wakeInTheaterMode && isTheaterModeEnabled()) {
5162            return false;
5163        }
5164
5165        mPowerManager.wakeUp(wakeTime);
5166        return true;
5167    }
5168
5169    // Called on the PowerManager's Notifier thread.
5170    @Override
5171    public void wakingUp() {
5172        EventLog.writeEvent(70000, 1);
5173        if (DEBUG_WAKEUP) Slog.i(TAG, "Waking up...");
5174
5175        // Since goToSleep performs these functions synchronously, we must
5176        // do the same here.  We cannot post this work to a handler because
5177        // that might cause it to become reordered with respect to what
5178        // may happen in a future call to goToSleep.
5179        synchronized (mLock) {
5180            mAwake = true;
5181            mKeyguardDrawComplete = false;
5182            if (mKeyguardDelegate != null) {
5183                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
5184                mHandler.sendEmptyMessageDelayed(MSG_KEYGUARD_DRAWN_TIMEOUT, 1000);
5185            }
5186
5187            updateWakeGestureListenerLp();
5188            updateOrientationListenerLp();
5189            updateLockScreenTimeout();
5190        }
5191
5192        if (mKeyguardDelegate != null) {
5193            mKeyguardDelegate.onScreenTurnedOn(mKeyguardDelegateCallback);
5194            // ... eventually calls finishKeyguardDrawn
5195        } else {
5196            if (DEBUG_WAKEUP) Slog.d(TAG, "null mKeyguardDelegate: setting mKeyguardDrawComplete.");
5197            finishKeyguardDrawn();
5198        }
5199    }
5200
5201    private void finishKeyguardDrawn() {
5202        synchronized (mLock) {
5203            if (!mAwake || mKeyguardDrawComplete) {
5204                return; // spurious
5205            }
5206
5207            mKeyguardDrawComplete = true;
5208            if (mKeyguardDelegate != null) {
5209                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
5210            }
5211        }
5212
5213        finishScreenTurningOn();
5214    }
5215
5216    // Called on the DisplayManager's DisplayPowerController thread.
5217    @Override
5218    public void screenTurnedOff() {
5219        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turned off...");
5220
5221        synchronized (mLock) {
5222            mScreenOnEarly = false;
5223            mScreenOnFully = false;
5224            mWindowManagerDrawComplete = false;
5225            mScreenOnListener = null;
5226            updateOrientationListenerLp();
5227        }
5228    }
5229
5230    // Called on the DisplayManager's DisplayPowerController thread.
5231    @Override
5232    public void screenTurningOn(final ScreenOnListener screenOnListener) {
5233        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turning on...");
5234
5235        synchronized (mLock) {
5236            mScreenOnEarly = true;
5237            mScreenOnFully = false;
5238            mWindowManagerDrawComplete = false;
5239            mScreenOnListener = screenOnListener;
5240            updateOrientationListenerLp();
5241        }
5242
5243        mWindowManagerInternal.waitForAllWindowsDrawn(mWindowManagerDrawCallback,
5244                WAITING_FOR_DRAWN_TIMEOUT);
5245        // ... eventually calls finishWindowsDrawn
5246    }
5247
5248    private void finishWindowsDrawn() {
5249        synchronized (mLock) {
5250            if (!mScreenOnEarly || mWindowManagerDrawComplete) {
5251                return; // spurious
5252            }
5253
5254            mWindowManagerDrawComplete = true;
5255        }
5256
5257        finishScreenTurningOn();
5258    }
5259
5260    private void finishScreenTurningOn() {
5261        final ScreenOnListener listener;
5262        final boolean enableScreen;
5263        synchronized (mLock) {
5264            if (DEBUG_WAKEUP) Slog.d(TAG,
5265                    "finishScreenTurningOn: mAwake=" + mAwake
5266                            + ", mScreenOnEarly=" + mScreenOnEarly
5267                            + ", mScreenOnFully=" + mScreenOnFully
5268                            + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
5269                            + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
5270
5271            if (mScreenOnFully || !mScreenOnEarly || !mWindowManagerDrawComplete
5272                    || (mAwake && !mKeyguardDrawComplete)) {
5273                return; // spurious or not ready yet
5274            }
5275
5276            if (DEBUG_WAKEUP) Slog.i(TAG, "Finished screen turning on...");
5277            listener = mScreenOnListener;
5278            mScreenOnListener = null;
5279            mScreenOnFully = true;
5280
5281            // Remember the first time we draw the keyguard so we know when we're done with
5282            // the main part of booting and can enable the screen and hide boot messages.
5283            if (!mKeyguardDrawnOnce && mAwake) {
5284                mKeyguardDrawnOnce = true;
5285                enableScreen = true;
5286                if (mBootMessageNeedsHiding) {
5287                    mBootMessageNeedsHiding = false;
5288                    hideBootMessages();
5289                }
5290            } else {
5291                enableScreen = false;
5292            }
5293        }
5294
5295        if (listener != null) {
5296            listener.onScreenOn();
5297        }
5298
5299        if (enableScreen) {
5300            try {
5301                mWindowManager.enableScreenIfNeeded();
5302            } catch (RemoteException unhandled) {
5303            }
5304        }
5305    }
5306
5307    private void handleHideBootMessage() {
5308        synchronized (mLock) {
5309            if (!mKeyguardDrawnOnce) {
5310                mBootMessageNeedsHiding = true;
5311                return; // keyguard hasn't drawn the first time yet, not done booting
5312            }
5313        }
5314
5315        if (mBootMsgDialog != null) {
5316            if (DEBUG_WAKEUP) Slog.d(TAG, "handleHideBootMessage: dismissing");
5317            mBootMsgDialog.dismiss();
5318            mBootMsgDialog = null;
5319        }
5320    }
5321
5322    @Override
5323    public boolean isScreenOn() {
5324        return mScreenOnFully;
5325    }
5326
5327    /** {@inheritDoc} */
5328    @Override
5329    public void enableKeyguard(boolean enabled) {
5330        if (mKeyguardDelegate != null) {
5331            mKeyguardDelegate.setKeyguardEnabled(enabled);
5332        }
5333    }
5334
5335    /** {@inheritDoc} */
5336    @Override
5337    public void exitKeyguardSecurely(OnKeyguardExitResult callback) {
5338        if (mKeyguardDelegate != null) {
5339            mKeyguardDelegate.verifyUnlock(callback);
5340        }
5341    }
5342
5343    private boolean isKeyguardShowingAndNotOccluded() {
5344        if (mKeyguardDelegate == null) return false;
5345        return mKeyguardDelegate.isShowing() && !mKeyguardOccluded;
5346    }
5347
5348    /** {@inheritDoc} */
5349    @Override
5350    public boolean isKeyguardLocked() {
5351        return keyguardOn();
5352    }
5353
5354    /** {@inheritDoc} */
5355    @Override
5356    public boolean isKeyguardSecure() {
5357        if (mKeyguardDelegate == null) return false;
5358        return mKeyguardDelegate.isSecure();
5359    }
5360
5361    /** {@inheritDoc} */
5362    @Override
5363    public boolean inKeyguardRestrictedKeyInputMode() {
5364        if (mKeyguardDelegate == null) return false;
5365        return mKeyguardDelegate.isInputRestricted();
5366    }
5367
5368    @Override
5369    public void dismissKeyguardLw() {
5370        if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
5371            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.dismissKeyguardLw");
5372            mHandler.post(new Runnable() {
5373                @Override
5374                public void run() {
5375                    // ask the keyguard to prompt the user to authenticate if necessary
5376                    mKeyguardDelegate.dismiss();
5377                }
5378            });
5379        }
5380    }
5381
5382    public void notifyActivityDrawnForKeyguardLw() {
5383        if (mKeyguardDelegate != null) {
5384            mHandler.post(new Runnable() {
5385                @Override
5386                public void run() {
5387                    mKeyguardDelegate.onActivityDrawn();
5388                }
5389            });
5390        }
5391    }
5392
5393    @Override
5394    public boolean isKeyguardDrawnLw() {
5395        synchronized (mLock) {
5396            return mKeyguardDrawnOnce;
5397        }
5398    }
5399
5400    @Override
5401    public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
5402        if (mKeyguardDelegate != null) {
5403            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.startKeyguardExitAnimation");
5404            mKeyguardDelegate.startKeyguardExitAnimation(startTime, fadeoutDuration);
5405        }
5406    }
5407
5408    void sendCloseSystemWindows() {
5409        PhoneWindow.sendCloseSystemWindows(mContext, null);
5410    }
5411
5412    void sendCloseSystemWindows(String reason) {
5413        PhoneWindow.sendCloseSystemWindows(mContext, reason);
5414    }
5415
5416    @Override
5417    public int rotationForOrientationLw(int orientation, int lastRotation) {
5418        if (false) {
5419            Slog.v(TAG, "rotationForOrientationLw(orient="
5420                        + orientation + ", last=" + lastRotation
5421                        + "); user=" + mUserRotation + " "
5422                        + ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED)
5423                            ? "USER_ROTATION_LOCKED" : "")
5424                        );
5425        }
5426
5427        if (mForceDefaultOrientation) {
5428            return Surface.ROTATION_0;
5429        }
5430
5431        synchronized (mLock) {
5432            int sensorRotation = mOrientationListener.getProposedRotation(); // may be -1
5433            if (sensorRotation < 0) {
5434                sensorRotation = lastRotation;
5435            }
5436
5437            final int preferredRotation;
5438            if (mLidState == LID_OPEN && mLidOpenRotation >= 0) {
5439                // Ignore sensor when lid switch is open and rotation is forced.
5440                preferredRotation = mLidOpenRotation;
5441            } else if (mDockMode == Intent.EXTRA_DOCK_STATE_CAR
5442                    && (mCarDockEnablesAccelerometer || mCarDockRotation >= 0)) {
5443                // Ignore sensor when in car dock unless explicitly enabled.
5444                // This case can override the behavior of NOSENSOR, and can also
5445                // enable 180 degree rotation while docked.
5446                preferredRotation = mCarDockEnablesAccelerometer
5447                        ? sensorRotation : mCarDockRotation;
5448            } else if ((mDockMode == Intent.EXTRA_DOCK_STATE_DESK
5449                    || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
5450                    || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK)
5451                    && (mDeskDockEnablesAccelerometer || mDeskDockRotation >= 0)) {
5452                // Ignore sensor when in desk dock unless explicitly enabled.
5453                // This case can override the behavior of NOSENSOR, and can also
5454                // enable 180 degree rotation while docked.
5455                preferredRotation = mDeskDockEnablesAccelerometer
5456                        ? sensorRotation : mDeskDockRotation;
5457            } else if (mHdmiPlugged && mDemoHdmiRotationLock) {
5458                // Ignore sensor when plugged into HDMI when demo HDMI rotation lock enabled.
5459                // Note that the dock orientation overrides the HDMI orientation.
5460                preferredRotation = mDemoHdmiRotation;
5461            } else if (mHdmiPlugged && mDockMode == Intent.EXTRA_DOCK_STATE_UNDOCKED
5462                    && mUndockedHdmiRotation >= 0) {
5463                // Ignore sensor when plugged into HDMI and an undocked orientation has
5464                // been specified in the configuration (only for legacy devices without
5465                // full multi-display support).
5466                // Note that the dock orientation overrides the HDMI orientation.
5467                preferredRotation = mUndockedHdmiRotation;
5468            } else if (mDemoRotationLock) {
5469                // Ignore sensor when demo rotation lock is enabled.
5470                // Note that the dock orientation and HDMI rotation lock override this.
5471                preferredRotation = mDemoRotation;
5472            } else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {
5473                // Application just wants to remain locked in the last rotation.
5474                preferredRotation = lastRotation;
5475            } else if (!mSupportAutoRotation) {
5476                // If we don't support auto-rotation then bail out here and ignore
5477                // the sensor and any rotation lock settings.
5478                preferredRotation = -1;
5479            } else if ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE
5480                            && (orientation == ActivityInfo.SCREEN_ORIENTATION_USER
5481                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
5482                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
5483                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT
5484                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER))
5485                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
5486                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
5487                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE
5488                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) {
5489                // Otherwise, use sensor only if requested by the application or enabled
5490                // by default for USER or UNSPECIFIED modes.  Does not apply to NOSENSOR.
5491                if (mAllowAllRotations < 0) {
5492                    // Can't read this during init() because the context doesn't
5493                    // have display metrics at that time so we cannot determine
5494                    // tablet vs. phone then.
5495                    mAllowAllRotations = mContext.getResources().getBoolean(
5496                            com.android.internal.R.bool.config_allowAllRotations) ? 1 : 0;
5497                }
5498                if (sensorRotation != Surface.ROTATION_180
5499                        || mAllowAllRotations == 1
5500                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
5501                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER) {
5502                    preferredRotation = sensorRotation;
5503                } else {
5504                    preferredRotation = lastRotation;
5505                }
5506            } else if (mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED
5507                    && orientation != ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
5508                // Apply rotation lock.  Does not apply to NOSENSOR.
5509                // The idea is that the user rotation expresses a weak preference for the direction
5510                // of gravity and as NOSENSOR is never affected by gravity, then neither should
5511                // NOSENSOR be affected by rotation lock (although it will be affected by docks).
5512                preferredRotation = mUserRotation;
5513            } else {
5514                // No overriding preference.
5515                // We will do exactly what the application asked us to do.
5516                preferredRotation = -1;
5517            }
5518
5519            switch (orientation) {
5520                case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
5521                    // Return portrait unless overridden.
5522                    if (isAnyPortrait(preferredRotation)) {
5523                        return preferredRotation;
5524                    }
5525                    return mPortraitRotation;
5526
5527                case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
5528                    // Return landscape unless overridden.
5529                    if (isLandscapeOrSeascape(preferredRotation)) {
5530                        return preferredRotation;
5531                    }
5532                    return mLandscapeRotation;
5533
5534                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
5535                    // Return reverse portrait unless overridden.
5536                    if (isAnyPortrait(preferredRotation)) {
5537                        return preferredRotation;
5538                    }
5539                    return mUpsideDownRotation;
5540
5541                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
5542                    // Return seascape unless overridden.
5543                    if (isLandscapeOrSeascape(preferredRotation)) {
5544                        return preferredRotation;
5545                    }
5546                    return mSeascapeRotation;
5547
5548                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
5549                case ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE:
5550                    // Return either landscape rotation.
5551                    if (isLandscapeOrSeascape(preferredRotation)) {
5552                        return preferredRotation;
5553                    }
5554                    if (isLandscapeOrSeascape(lastRotation)) {
5555                        return lastRotation;
5556                    }
5557                    return mLandscapeRotation;
5558
5559                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
5560                case ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT:
5561                    // Return either portrait rotation.
5562                    if (isAnyPortrait(preferredRotation)) {
5563                        return preferredRotation;
5564                    }
5565                    if (isAnyPortrait(lastRotation)) {
5566                        return lastRotation;
5567                    }
5568                    return mPortraitRotation;
5569
5570                default:
5571                    // For USER, UNSPECIFIED, NOSENSOR, SENSOR and FULL_SENSOR,
5572                    // just return the preferred orientation we already calculated.
5573                    if (preferredRotation >= 0) {
5574                        return preferredRotation;
5575                    }
5576                    return Surface.ROTATION_0;
5577            }
5578        }
5579    }
5580
5581    @Override
5582    public boolean rotationHasCompatibleMetricsLw(int orientation, int rotation) {
5583        switch (orientation) {
5584            case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
5585            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
5586            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
5587                return isAnyPortrait(rotation);
5588
5589            case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
5590            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
5591            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
5592                return isLandscapeOrSeascape(rotation);
5593
5594            default:
5595                return true;
5596        }
5597    }
5598
5599    @Override
5600    public void setRotationLw(int rotation) {
5601        mOrientationListener.setCurrentRotation(rotation);
5602    }
5603
5604    private boolean isLandscapeOrSeascape(int rotation) {
5605        return rotation == mLandscapeRotation || rotation == mSeascapeRotation;
5606    }
5607
5608    private boolean isAnyPortrait(int rotation) {
5609        return rotation == mPortraitRotation || rotation == mUpsideDownRotation;
5610    }
5611
5612    @Override
5613    public int getUserRotationMode() {
5614        return Settings.System.getIntForUser(mContext.getContentResolver(),
5615                Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
5616                        WindowManagerPolicy.USER_ROTATION_FREE :
5617                                WindowManagerPolicy.USER_ROTATION_LOCKED;
5618    }
5619
5620    // User rotation: to be used when all else fails in assigning an orientation to the device
5621    @Override
5622    public void setUserRotationMode(int mode, int rot) {
5623        ContentResolver res = mContext.getContentResolver();
5624
5625        // mUserRotationMode and mUserRotation will be assigned by the content observer
5626        if (mode == WindowManagerPolicy.USER_ROTATION_LOCKED) {
5627            Settings.System.putIntForUser(res,
5628                    Settings.System.USER_ROTATION,
5629                    rot,
5630                    UserHandle.USER_CURRENT);
5631            Settings.System.putIntForUser(res,
5632                    Settings.System.ACCELEROMETER_ROTATION,
5633                    0,
5634                    UserHandle.USER_CURRENT);
5635        } else {
5636            Settings.System.putIntForUser(res,
5637                    Settings.System.ACCELEROMETER_ROTATION,
5638                    1,
5639                    UserHandle.USER_CURRENT);
5640        }
5641    }
5642
5643    @Override
5644    public void setSafeMode(boolean safeMode) {
5645        mSafeMode = safeMode;
5646        performHapticFeedbackLw(null, safeMode
5647                ? HapticFeedbackConstants.SAFE_MODE_ENABLED
5648                : HapticFeedbackConstants.SAFE_MODE_DISABLED, true);
5649    }
5650
5651    static long[] getLongIntArray(Resources r, int resid) {
5652        int[] ar = r.getIntArray(resid);
5653        if (ar == null) {
5654            return null;
5655        }
5656        long[] out = new long[ar.length];
5657        for (int i=0; i<ar.length; i++) {
5658            out[i] = ar[i];
5659        }
5660        return out;
5661    }
5662
5663    /** {@inheritDoc} */
5664    @Override
5665    public void systemReady() {
5666        mKeyguardDelegate = new KeyguardServiceDelegate(mContext);
5667        mKeyguardDelegate.onSystemReady();
5668
5669        readCameraLensCoverState();
5670        updateUiMode();
5671        synchronized (mLock) {
5672            updateOrientationListenerLp();
5673            mSystemReady = true;
5674            mHandler.post(new Runnable() {
5675                @Override
5676                public void run() {
5677                    updateSettings();
5678                }
5679            });
5680        }
5681    }
5682
5683    /** {@inheritDoc} */
5684    @Override
5685    public void systemBooted() {
5686        if (mKeyguardDelegate != null) {
5687            mKeyguardDelegate.bindService(mContext);
5688            mKeyguardDelegate.onBootCompleted();
5689        }
5690        synchronized (mLock) {
5691            mSystemBooted = true;
5692        }
5693        wakingUp();
5694        screenTurningOn(null);
5695    }
5696
5697    ProgressDialog mBootMsgDialog = null;
5698
5699    /** {@inheritDoc} */
5700    @Override
5701    public void showBootMessage(final CharSequence msg, final boolean always) {
5702        mHandler.post(new Runnable() {
5703            @Override public void run() {
5704                if (mBootMsgDialog == null) {
5705                    int theme;
5706                    if (mContext.getPackageManager().hasSystemFeature(
5707                            PackageManager.FEATURE_WATCH)) {
5708                        theme = com.android.internal.R.style.Theme_Micro_Dialog_Alert;
5709                    } else if (mContext.getPackageManager().hasSystemFeature(
5710                            PackageManager.FEATURE_TELEVISION)) {
5711                        theme = com.android.internal.R.style.Theme_Leanback_Dialog_Alert;
5712                    } else {
5713                        theme = 0;
5714                    }
5715
5716                    mBootMsgDialog = new ProgressDialog(mContext, theme) {
5717                        // This dialog will consume all events coming in to
5718                        // it, to avoid it trying to do things too early in boot.
5719                        @Override public boolean dispatchKeyEvent(KeyEvent event) {
5720                            return true;
5721                        }
5722                        @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
5723                            return true;
5724                        }
5725                        @Override public boolean dispatchTouchEvent(MotionEvent ev) {
5726                            return true;
5727                        }
5728                        @Override public boolean dispatchTrackballEvent(MotionEvent ev) {
5729                            return true;
5730                        }
5731                        @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) {
5732                            return true;
5733                        }
5734                        @Override public boolean dispatchPopulateAccessibilityEvent(
5735                                AccessibilityEvent event) {
5736                            return true;
5737                        }
5738                    };
5739                    if (mContext.getPackageManager().isUpgrade()) {
5740                        mBootMsgDialog.setTitle(R.string.android_upgrading_title);
5741                    } else {
5742                        mBootMsgDialog.setTitle(R.string.android_start_title);
5743                    }
5744                    mBootMsgDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
5745                    mBootMsgDialog.setIndeterminate(true);
5746                    mBootMsgDialog.getWindow().setType(
5747                            WindowManager.LayoutParams.TYPE_BOOT_PROGRESS);
5748                    mBootMsgDialog.getWindow().addFlags(
5749                            WindowManager.LayoutParams.FLAG_DIM_BEHIND
5750                            | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
5751                    mBootMsgDialog.getWindow().setDimAmount(1);
5752                    WindowManager.LayoutParams lp = mBootMsgDialog.getWindow().getAttributes();
5753                    lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
5754                    mBootMsgDialog.getWindow().setAttributes(lp);
5755                    mBootMsgDialog.setCancelable(false);
5756                    mBootMsgDialog.show();
5757                }
5758                mBootMsgDialog.setMessage(msg);
5759            }
5760        });
5761    }
5762
5763    /** {@inheritDoc} */
5764    @Override
5765    public void hideBootMessages() {
5766        mHandler.sendEmptyMessage(MSG_HIDE_BOOT_MESSAGE);
5767    }
5768
5769    /** {@inheritDoc} */
5770    @Override
5771    public void userActivity() {
5772        // ***************************************
5773        // NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
5774        // ***************************************
5775        // THIS IS CALLED FROM DEEP IN THE POWER MANAGER
5776        // WITH ITS LOCKS HELD.
5777        //
5778        // This code must be VERY careful about the locks
5779        // it acquires.
5780        // In fact, the current code acquires way too many,
5781        // and probably has lurking deadlocks.
5782
5783        synchronized (mScreenLockTimeout) {
5784            if (mLockScreenTimerActive) {
5785                // reset the timer
5786                mHandler.removeCallbacks(mScreenLockTimeout);
5787                mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
5788            }
5789        }
5790    }
5791
5792    class ScreenLockTimeout implements Runnable {
5793        Bundle options;
5794
5795        @Override
5796        public void run() {
5797            synchronized (this) {
5798                if (localLOGV) Log.v(TAG, "mScreenLockTimeout activating keyguard");
5799                if (mKeyguardDelegate != null) {
5800                    mKeyguardDelegate.doKeyguardTimeout(options);
5801                }
5802                mLockScreenTimerActive = false;
5803                options = null;
5804            }
5805        }
5806
5807        public void setLockOptions(Bundle options) {
5808            this.options = options;
5809        }
5810    }
5811
5812    ScreenLockTimeout mScreenLockTimeout = new ScreenLockTimeout();
5813
5814    @Override
5815    public void lockNow(Bundle options) {
5816        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);
5817        mHandler.removeCallbacks(mScreenLockTimeout);
5818        if (options != null) {
5819            // In case multiple calls are made to lockNow, we don't wipe out the options
5820            // until the runnable actually executes.
5821            mScreenLockTimeout.setLockOptions(options);
5822        }
5823        mHandler.post(mScreenLockTimeout);
5824    }
5825
5826    private void updateLockScreenTimeout() {
5827        synchronized (mScreenLockTimeout) {
5828            boolean enable = (mAllowLockscreenWhenOn && mAwake &&
5829                    mKeyguardDelegate != null && mKeyguardDelegate.isSecure());
5830            if (mLockScreenTimerActive != enable) {
5831                if (enable) {
5832                    if (localLOGV) Log.v(TAG, "setting lockscreen timer");
5833                    mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
5834                } else {
5835                    if (localLOGV) Log.v(TAG, "clearing lockscreen timer");
5836                    mHandler.removeCallbacks(mScreenLockTimeout);
5837                }
5838                mLockScreenTimerActive = enable;
5839            }
5840        }
5841    }
5842
5843    /** {@inheritDoc} */
5844    @Override
5845    public void enableScreenAfterBoot() {
5846        readLidState();
5847        applyLidSwitchState();
5848        updateRotation(true);
5849    }
5850
5851    private void applyLidSwitchState() {
5852        if (mLidState == LID_CLOSED && mLidControlsSleep) {
5853            mPowerManager.goToSleep(SystemClock.uptimeMillis(),
5854                    PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH,
5855                    PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
5856        }
5857
5858        synchronized (mLock) {
5859            updateWakeGestureListenerLp();
5860        }
5861    }
5862
5863    void updateUiMode() {
5864        if (mUiModeManager == null) {
5865            mUiModeManager = IUiModeManager.Stub.asInterface(
5866                    ServiceManager.getService(Context.UI_MODE_SERVICE));
5867        }
5868        try {
5869            mUiMode = mUiModeManager.getCurrentModeType();
5870        } catch (RemoteException e) {
5871        }
5872    }
5873
5874    void updateRotation(boolean alwaysSendConfiguration) {
5875        try {
5876            //set orientation on WindowManager
5877            mWindowManager.updateRotation(alwaysSendConfiguration, false);
5878        } catch (RemoteException e) {
5879            // Ignore
5880        }
5881    }
5882
5883    void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
5884        try {
5885            //set orientation on WindowManager
5886            mWindowManager.updateRotation(alwaysSendConfiguration, forceRelayout);
5887        } catch (RemoteException e) {
5888            // Ignore
5889        }
5890    }
5891
5892    /**
5893     * Return an Intent to launch the currently active dock app as home.  Returns
5894     * null if the standard home should be launched, which is the case if any of the following is
5895     * true:
5896     * <ul>
5897     *  <li>The device is not in either car mode or desk mode
5898     *  <li>The device is in car mode but ENABLE_CAR_DOCK_HOME_CAPTURE is false
5899     *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
5900     *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
5901     *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
5902     * </ul>
5903     * @return A dock intent.
5904     */
5905    Intent createHomeDockIntent() {
5906        Intent intent = null;
5907
5908        // What home does is based on the mode, not the dock state.  That
5909        // is, when in car mode you should be taken to car home regardless
5910        // of whether we are actually in a car dock.
5911        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
5912            if (ENABLE_CAR_DOCK_HOME_CAPTURE) {
5913                intent = mCarDockIntent;
5914            }
5915        } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
5916            if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
5917                intent = mDeskDockIntent;
5918            }
5919        } else if (mUiMode == Configuration.UI_MODE_TYPE_WATCH
5920                && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
5921                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK
5922                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK)) {
5923            // Always launch dock home from home when watch is docked, if it exists.
5924            intent = mDeskDockIntent;
5925        }
5926
5927        if (intent == null) {
5928            return null;
5929        }
5930
5931        ActivityInfo ai = null;
5932        ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(
5933                intent,
5934                PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_META_DATA,
5935                mCurrentUserId);
5936        if (info != null) {
5937            ai = info.activityInfo;
5938        }
5939        if (ai != null
5940                && ai.metaData != null
5941                && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
5942            intent = new Intent(intent);
5943            intent.setClassName(ai.packageName, ai.name);
5944            return intent;
5945        }
5946
5947        return null;
5948    }
5949
5950    void startDockOrHome(boolean fromHomeKey, boolean awakenFromDreams) {
5951        if (awakenFromDreams) {
5952            awakenDreams();
5953        }
5954
5955        Intent dock = createHomeDockIntent();
5956        if (dock != null) {
5957            try {
5958                if (fromHomeKey) {
5959                    dock.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
5960                }
5961                startActivityAsUser(dock, UserHandle.CURRENT);
5962                return;
5963            } catch (ActivityNotFoundException e) {
5964            }
5965        }
5966
5967        Intent intent;
5968
5969        if (fromHomeKey) {
5970            intent = new Intent(mHomeIntent);
5971            intent.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
5972        } else {
5973            intent = mHomeIntent;
5974        }
5975
5976        startActivityAsUser(intent, UserHandle.CURRENT);
5977    }
5978
5979    /**
5980     * goes to the home screen
5981     * @return whether it did anything
5982     */
5983    boolean goHome() {
5984        if (!isUserSetupComplete()) {
5985            Slog.i(TAG, "Not going home because user setup is in progress.");
5986            return false;
5987        }
5988        if (false) {
5989            // This code always brings home to the front.
5990            try {
5991                ActivityManagerNative.getDefault().stopAppSwitches();
5992            } catch (RemoteException e) {
5993            }
5994            sendCloseSystemWindows();
5995            startDockOrHome(false /*fromHomeKey*/, true /* awakenFromDreams */);
5996        } else {
5997            // This code brings home to the front or, if it is already
5998            // at the front, puts the device to sleep.
5999            try {
6000                if (SystemProperties.getInt("persist.sys.uts-test-mode", 0) == 1) {
6001                    /// Roll back EndcallBehavior as the cupcake design to pass P1 lab entry.
6002                    Log.d(TAG, "UTS-TEST-MODE");
6003                } else {
6004                    ActivityManagerNative.getDefault().stopAppSwitches();
6005                    sendCloseSystemWindows();
6006                    Intent dock = createHomeDockIntent();
6007                    if (dock != null) {
6008                        int result = ActivityManagerNative.getDefault()
6009                                .startActivityAsUser(null, null, dock,
6010                                        dock.resolveTypeIfNeeded(mContext.getContentResolver()),
6011                                        null, null, 0,
6012                                        ActivityManager.START_FLAG_ONLY_IF_NEEDED,
6013                                        null, null, UserHandle.USER_CURRENT);
6014                        if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
6015                            return false;
6016                        }
6017                    }
6018                }
6019                int result = ActivityManagerNative.getDefault()
6020                        .startActivityAsUser(null, null, mHomeIntent,
6021                                mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
6022                                null, null, 0,
6023                                ActivityManager.START_FLAG_ONLY_IF_NEEDED,
6024                                null, null, UserHandle.USER_CURRENT);
6025                if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
6026                    return false;
6027                }
6028            } catch (RemoteException ex) {
6029                // bummer, the activity manager, which is in this process, is dead
6030            }
6031        }
6032        return true;
6033    }
6034
6035    @Override
6036    public void setCurrentOrientationLw(int newOrientation) {
6037        synchronized (mLock) {
6038            if (newOrientation != mCurrentAppOrientation) {
6039                mCurrentAppOrientation = newOrientation;
6040                updateOrientationListenerLp();
6041            }
6042        }
6043    }
6044
6045    private void performAuditoryFeedbackForAccessibilityIfNeed() {
6046        if (!isGlobalAccessibilityGestureEnabled()) {
6047            return;
6048        }
6049        AudioManager audioManager = (AudioManager) mContext.getSystemService(
6050                Context.AUDIO_SERVICE);
6051        if (audioManager.isSilentMode()) {
6052            return;
6053        }
6054        Ringtone ringTone = RingtoneManager.getRingtone(mContext,
6055                Settings.System.DEFAULT_NOTIFICATION_URI);
6056        ringTone.setStreamType(AudioManager.STREAM_MUSIC);
6057        ringTone.play();
6058    }
6059
6060    private boolean isTheaterModeEnabled() {
6061        return Settings.Global.getInt(mContext.getContentResolver(),
6062                Settings.Global.THEATER_MODE_ON, 0) == 1;
6063    }
6064
6065    private boolean isGlobalAccessibilityGestureEnabled() {
6066        return Settings.Global.getInt(mContext.getContentResolver(),
6067                Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED, 0) == 1;
6068    }
6069
6070    @Override
6071    public boolean performHapticFeedbackLw(WindowState win, int effectId, boolean always) {
6072        if (!mVibrator.hasVibrator()) {
6073            return false;
6074        }
6075        final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(),
6076                Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0;
6077        if (hapticsDisabled && !always) {
6078            return false;
6079        }
6080        long[] pattern = null;
6081        switch (effectId) {
6082            case HapticFeedbackConstants.LONG_PRESS:
6083                pattern = mLongPressVibePattern;
6084                break;
6085            case HapticFeedbackConstants.VIRTUAL_KEY:
6086                pattern = mVirtualKeyVibePattern;
6087                break;
6088            case HapticFeedbackConstants.KEYBOARD_TAP:
6089                pattern = mKeyboardTapVibePattern;
6090                break;
6091            case HapticFeedbackConstants.CLOCK_TICK:
6092                pattern = mClockTickVibePattern;
6093                break;
6094            case HapticFeedbackConstants.CALENDAR_DATE:
6095                pattern = mCalendarDateVibePattern;
6096                break;
6097            case HapticFeedbackConstants.SAFE_MODE_DISABLED:
6098                pattern = mSafeModeDisabledVibePattern;
6099                break;
6100            case HapticFeedbackConstants.SAFE_MODE_ENABLED:
6101                pattern = mSafeModeEnabledVibePattern;
6102                break;
6103            default:
6104                return false;
6105        }
6106        int owningUid;
6107        String owningPackage;
6108        if (win != null) {
6109            owningUid = win.getOwningUid();
6110            owningPackage = win.getOwningPackage();
6111        } else {
6112            owningUid = android.os.Process.myUid();
6113            owningPackage = mContext.getOpPackageName();
6114        }
6115        if (pattern.length == 1) {
6116            // One-shot vibration
6117            mVibrator.vibrate(owningUid, owningPackage, pattern[0], VIBRATION_ATTRIBUTES);
6118        } else {
6119            // Pattern vibration
6120            mVibrator.vibrate(owningUid, owningPackage, pattern, -1, VIBRATION_ATTRIBUTES);
6121        }
6122        return true;
6123    }
6124
6125    @Override
6126    public void keepScreenOnStartedLw() {
6127    }
6128
6129    @Override
6130    public void keepScreenOnStoppedLw() {
6131        if (isKeyguardShowingAndNotOccluded()) {
6132            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
6133        }
6134    }
6135
6136    private int updateSystemUiVisibilityLw() {
6137        // If there is no window focused, there will be nobody to handle the events
6138        // anyway, so just hang on in whatever state we're in until things settle down.
6139        final WindowState win = mFocusedWindow != null ? mFocusedWindow
6140                : mTopFullscreenOpaqueWindowState;
6141        if (win == null) {
6142            return 0;
6143        }
6144        if ((win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 && mHideLockScreen == true) {
6145            // We are updating at a point where the keyguard has gotten
6146            // focus, but we were last in a state where the top window is
6147            // hiding it.  This is probably because the keyguard as been
6148            // shown while the top window was displayed, so we want to ignore
6149            // it here because this is just a very transient change and it
6150            // will quickly lose focus once it correctly gets hidden.
6151            return 0;
6152        }
6153
6154        int tmpVisibility = PolicyControl.getSystemUiVisibility(win, null)
6155                & ~mResettingSystemUiFlags
6156                & ~mForceClearedSystemUiFlags;
6157        if (mForcingShowNavBar && win.getSurfaceLayer() < mForcingShowNavBarLayer) {
6158            tmpVisibility &= ~PolicyControl.adjustClearableFlags(win, View.SYSTEM_UI_CLEARABLE_FLAGS);
6159        }
6160        tmpVisibility = updateLightStatusBarLw(tmpVisibility);
6161        final int visibility = updateSystemBarsLw(win, mLastSystemUiFlags, tmpVisibility);
6162        final int diff = visibility ^ mLastSystemUiFlags;
6163        final boolean needsMenu = win.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
6164        if (diff == 0 && mLastFocusNeedsMenu == needsMenu
6165                && mFocusedApp == win.getAppToken()) {
6166            return 0;
6167        }
6168        mLastSystemUiFlags = visibility;
6169        mLastFocusNeedsMenu = needsMenu;
6170        mFocusedApp = win.getAppToken();
6171        mHandler.post(new Runnable() {
6172                @Override
6173                public void run() {
6174                    try {
6175                        IStatusBarService statusbar = getStatusBarService();
6176                        if (statusbar != null) {
6177                            statusbar.setSystemUiVisibility(visibility, 0xffffffff, win.toString());
6178                            statusbar.topAppWindowChanged(needsMenu);
6179                        }
6180                    } catch (RemoteException e) {
6181                        // re-acquire status bar service next time it is needed.
6182                        mStatusBarService = null;
6183                    }
6184                }
6185            });
6186        return diff;
6187    }
6188
6189    private int updateLightStatusBarLw(int vis) {
6190        WindowState statusColorWin = isStatusBarKeyguard() && !mHideLockScreen
6191                ? mStatusBar
6192                : mTopFullscreenOpaqueOrDimmingWindowState;
6193
6194        if (statusColorWin != null) {
6195            if (statusColorWin == mTopFullscreenOpaqueWindowState) {
6196                // If the top fullscreen-or-dimming window is also the top fullscreen, respect
6197                // its light flag.
6198                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6199                vis |= PolicyControl.getSystemUiVisibility(statusColorWin, null)
6200                        & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6201            } else if (statusColorWin != null && statusColorWin.isDimming()) {
6202                // Otherwise if it's dimming, clear the light flag.
6203                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6204            }
6205        }
6206        return vis;
6207    }
6208
6209    private int updateSystemBarsLw(WindowState win, int oldVis, int vis) {
6210        // apply translucent bar vis flags
6211        WindowState transWin = isStatusBarKeyguard() && !mHideLockScreen
6212                ? mStatusBar
6213                : mTopFullscreenOpaqueWindowState;
6214        vis = mStatusBarController.applyTranslucentFlagLw(transWin, vis, oldVis);
6215        vis = mNavigationBarController.applyTranslucentFlagLw(transWin, vis, oldVis);
6216
6217        // prevent status bar interaction from clearing certain flags
6218        boolean statusBarHasFocus = win.getAttrs().type == TYPE_STATUS_BAR;
6219        if (statusBarHasFocus && !isStatusBarKeyguard()) {
6220            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
6221                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
6222                    | View.SYSTEM_UI_FLAG_IMMERSIVE
6223                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
6224                    | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6225            if (mHideLockScreen) {
6226                flags |= View.STATUS_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSLUCENT;
6227            }
6228            vis = (vis & ~flags) | (oldVis & flags);
6229        }
6230
6231        if (!areTranslucentBarsAllowed() && transWin != mStatusBar) {
6232            vis &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSLUCENT
6233                    | View.SYSTEM_UI_TRANSPARENT);
6234        }
6235
6236        // update status bar
6237        boolean immersiveSticky =
6238                (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
6239        boolean hideStatusBarWM =
6240                mTopFullscreenOpaqueWindowState != null &&
6241                (PolicyControl.getWindowFlags(mTopFullscreenOpaqueWindowState, null)
6242                        & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0;
6243        boolean hideStatusBarSysui =
6244                (vis & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
6245        boolean hideNavBarSysui =
6246                (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0;
6247
6248        boolean transientStatusBarAllowed =
6249                mStatusBar != null && (
6250                hideStatusBarWM
6251                || (hideStatusBarSysui && immersiveSticky)
6252                || statusBarHasFocus);
6253
6254        boolean transientNavBarAllowed =
6255                mNavigationBar != null &&
6256                hideNavBarSysui && immersiveSticky;
6257
6258        boolean denyTransientStatus = mStatusBarController.isTransientShowRequested()
6259                && !transientStatusBarAllowed && hideStatusBarSysui;
6260        boolean denyTransientNav = mNavigationBarController.isTransientShowRequested()
6261                && !transientNavBarAllowed;
6262        if (denyTransientStatus || denyTransientNav) {
6263            // clear the clearable flags instead
6264            clearClearableFlagsLw();
6265            vis &= ~View.SYSTEM_UI_CLEARABLE_FLAGS;
6266        }
6267
6268        vis = mStatusBarController.updateVisibilityLw(transientStatusBarAllowed, oldVis, vis);
6269
6270        // update navigation bar
6271        boolean oldImmersiveMode = isImmersiveMode(oldVis);
6272        boolean newImmersiveMode = isImmersiveMode(vis);
6273        if (win != null && oldImmersiveMode != newImmersiveMode) {
6274            final String pkg = win.getOwningPackage();
6275            mImmersiveModeConfirmation.immersiveModeChanged(pkg, newImmersiveMode,
6276                    isUserSetupComplete());
6277        }
6278
6279        vis = mNavigationBarController.updateVisibilityLw(transientNavBarAllowed, oldVis, vis);
6280
6281        return vis;
6282    }
6283
6284    private void clearClearableFlagsLw() {
6285        int newVal = mResettingSystemUiFlags | View.SYSTEM_UI_CLEARABLE_FLAGS;
6286        if (newVal != mResettingSystemUiFlags) {
6287            mResettingSystemUiFlags = newVal;
6288            mWindowManagerFuncs.reevaluateStatusBarVisibility();
6289        }
6290    }
6291
6292    private boolean isImmersiveMode(int vis) {
6293        final int flags = View.SYSTEM_UI_FLAG_IMMERSIVE | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
6294        return mNavigationBar != null
6295                && (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
6296                && (vis & flags) != 0
6297                && canHideNavigationBar();
6298    }
6299
6300    /**
6301     * @return whether the navigation or status bar can be made translucent
6302     *
6303     * This should return true unless touch exploration is not enabled or
6304     * R.boolean.config_enableTranslucentDecor is false.
6305     */
6306    private boolean areTranslucentBarsAllowed() {
6307        return mTranslucentDecorEnabled
6308                && !mAccessibilityManager.isTouchExplorationEnabled();
6309    }
6310
6311    // Use this instead of checking config_showNavigationBar so that it can be consistently
6312    // overridden by qemu.hw.mainkeys in the emulator.
6313    @Override
6314    public boolean hasNavigationBar() {
6315        return mHasNavigationBar;
6316    }
6317
6318    @Override
6319    public void setLastInputMethodWindowLw(WindowState ime, WindowState target) {
6320        mLastInputMethodWindow = ime;
6321        mLastInputMethodTargetWindow = target;
6322    }
6323
6324    @Override
6325    public int getInputMethodWindowVisibleHeightLw() {
6326        return mDockBottom - mCurBottom;
6327    }
6328
6329    @Override
6330    public void setCurrentUserLw(int newUserId) {
6331        mCurrentUserId = newUserId;
6332        if (mKeyguardDelegate != null) {
6333            mKeyguardDelegate.setCurrentUser(newUserId);
6334        }
6335        if (mStatusBarService != null) {
6336            try {
6337                mStatusBarService.setCurrentUser(newUserId);
6338            } catch (RemoteException e) {
6339                // oh well
6340            }
6341        }
6342        setLastInputMethodWindowLw(null, null);
6343    }
6344
6345    @Override
6346    public boolean canMagnifyWindow(int windowType) {
6347        switch (windowType) {
6348            case WindowManager.LayoutParams.TYPE_INPUT_METHOD:
6349            case WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG:
6350            case WindowManager.LayoutParams.TYPE_NAVIGATION_BAR:
6351            case WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY: {
6352                return false;
6353            }
6354        }
6355        return true;
6356    }
6357
6358    @Override
6359    public boolean isTopLevelWindow(int windowType) {
6360        if (windowType >= WindowManager.LayoutParams.FIRST_SUB_WINDOW
6361                && windowType <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
6362            return (windowType == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG);
6363        }
6364        return true;
6365    }
6366
6367    @Override
6368    public void dump(String prefix, PrintWriter pw, String[] args) {
6369        pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
6370                pw.print(" mSystemReady="); pw.print(mSystemReady);
6371                pw.print(" mSystemBooted="); pw.println(mSystemBooted);
6372        pw.print(prefix); pw.print("mLidState="); pw.print(mLidState);
6373                pw.print(" mLidOpenRotation="); pw.print(mLidOpenRotation);
6374                pw.print(" mCameraLensCoverState="); pw.print(mCameraLensCoverState);
6375                pw.print(" mHdmiPlugged="); pw.println(mHdmiPlugged);
6376        if (mLastSystemUiFlags != 0 || mResettingSystemUiFlags != 0
6377                || mForceClearedSystemUiFlags != 0) {
6378            pw.print(prefix); pw.print("mLastSystemUiFlags=0x");
6379                    pw.print(Integer.toHexString(mLastSystemUiFlags));
6380                    pw.print(" mResettingSystemUiFlags=0x");
6381                    pw.print(Integer.toHexString(mResettingSystemUiFlags));
6382                    pw.print(" mForceClearedSystemUiFlags=0x");
6383                    pw.println(Integer.toHexString(mForceClearedSystemUiFlags));
6384        }
6385        if (mLastFocusNeedsMenu) {
6386            pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
6387                    pw.println(mLastFocusNeedsMenu);
6388        }
6389        pw.print(prefix); pw.print("mWakeGestureEnabledSetting=");
6390                pw.println(mWakeGestureEnabledSetting);
6391
6392        pw.print(prefix); pw.print("mSupportAutoRotation="); pw.println(mSupportAutoRotation);
6393        pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
6394                pw.print(" mDockMode="); pw.print(mDockMode);
6395                pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
6396                pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
6397        pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);
6398                pw.print(" mUserRotation="); pw.print(mUserRotation);
6399                pw.print(" mAllowAllRotations="); pw.println(mAllowAllRotations);
6400        pw.print(prefix); pw.print("mCurrentAppOrientation="); pw.println(mCurrentAppOrientation);
6401        pw.print(prefix); pw.print("mCarDockEnablesAccelerometer=");
6402                pw.print(mCarDockEnablesAccelerometer);
6403                pw.print(" mDeskDockEnablesAccelerometer=");
6404                pw.println(mDeskDockEnablesAccelerometer);
6405        pw.print(prefix); pw.print("mLidKeyboardAccessibility=");
6406                pw.print(mLidKeyboardAccessibility);
6407                pw.print(" mLidNavigationAccessibility="); pw.print(mLidNavigationAccessibility);
6408                pw.print(" mLidControlsSleep="); pw.println(mLidControlsSleep);
6409        pw.print(prefix);
6410                pw.print("mShortPressOnPowerBehavior="); pw.print(mShortPressOnPowerBehavior);
6411                pw.print(" mLongPressOnPowerBehavior="); pw.println(mLongPressOnPowerBehavior);
6412        pw.print(prefix);
6413                pw.print("mDoublePressOnPowerBehavior="); pw.print(mDoublePressOnPowerBehavior);
6414                pw.print(" mTriplePressOnPowerBehavior="); pw.println(mTriplePressOnPowerBehavior);
6415        pw.print(prefix); pw.print("mHasSoftInput="); pw.println(mHasSoftInput);
6416        pw.print(prefix); pw.print("mAwake="); pw.println(mAwake);
6417        pw.print(prefix); pw.print("mScreenOnEarly="); pw.print(mScreenOnEarly);
6418                pw.print(" mScreenOnFully="); pw.println(mScreenOnFully);
6419        pw.print(prefix); pw.print("mKeyguardDrawComplete="); pw.print(mKeyguardDrawComplete);
6420                pw.print(" mWindowManagerDrawComplete="); pw.println(mWindowManagerDrawComplete);
6421        pw.print(prefix); pw.print("mOrientationSensorEnabled=");
6422                pw.println(mOrientationSensorEnabled);
6423        pw.print(prefix); pw.print("mOverscanScreen=("); pw.print(mOverscanScreenLeft);
6424                pw.print(","); pw.print(mOverscanScreenTop);
6425                pw.print(") "); pw.print(mOverscanScreenWidth);
6426                pw.print("x"); pw.println(mOverscanScreenHeight);
6427        if (mOverscanLeft != 0 || mOverscanTop != 0
6428                || mOverscanRight != 0 || mOverscanBottom != 0) {
6429            pw.print(prefix); pw.print("mOverscan left="); pw.print(mOverscanLeft);
6430                    pw.print(" top="); pw.print(mOverscanTop);
6431                    pw.print(" right="); pw.print(mOverscanRight);
6432                    pw.print(" bottom="); pw.println(mOverscanBottom);
6433        }
6434        pw.print(prefix); pw.print("mRestrictedOverscanScreen=(");
6435                pw.print(mRestrictedOverscanScreenLeft);
6436                pw.print(","); pw.print(mRestrictedOverscanScreenTop);
6437                pw.print(") "); pw.print(mRestrictedOverscanScreenWidth);
6438                pw.print("x"); pw.println(mRestrictedOverscanScreenHeight);
6439        pw.print(prefix); pw.print("mUnrestrictedScreen=("); pw.print(mUnrestrictedScreenLeft);
6440                pw.print(","); pw.print(mUnrestrictedScreenTop);
6441                pw.print(") "); pw.print(mUnrestrictedScreenWidth);
6442                pw.print("x"); pw.println(mUnrestrictedScreenHeight);
6443        pw.print(prefix); pw.print("mRestrictedScreen=("); pw.print(mRestrictedScreenLeft);
6444                pw.print(","); pw.print(mRestrictedScreenTop);
6445                pw.print(") "); pw.print(mRestrictedScreenWidth);
6446                pw.print("x"); pw.println(mRestrictedScreenHeight);
6447        pw.print(prefix); pw.print("mStableFullscreen=("); pw.print(mStableFullscreenLeft);
6448                pw.print(","); pw.print(mStableFullscreenTop);
6449                pw.print(")-("); pw.print(mStableFullscreenRight);
6450                pw.print(","); pw.print(mStableFullscreenBottom); pw.println(")");
6451        pw.print(prefix); pw.print("mStable=("); pw.print(mStableLeft);
6452                pw.print(","); pw.print(mStableTop);
6453                pw.print(")-("); pw.print(mStableRight);
6454                pw.print(","); pw.print(mStableBottom); pw.println(")");
6455        pw.print(prefix); pw.print("mSystem=("); pw.print(mSystemLeft);
6456                pw.print(","); pw.print(mSystemTop);
6457                pw.print(")-("); pw.print(mSystemRight);
6458                pw.print(","); pw.print(mSystemBottom); pw.println(")");
6459        pw.print(prefix); pw.print("mCur=("); pw.print(mCurLeft);
6460                pw.print(","); pw.print(mCurTop);
6461                pw.print(")-("); pw.print(mCurRight);
6462                pw.print(","); pw.print(mCurBottom); pw.println(")");
6463        pw.print(prefix); pw.print("mContent=("); pw.print(mContentLeft);
6464                pw.print(","); pw.print(mContentTop);
6465                pw.print(")-("); pw.print(mContentRight);
6466                pw.print(","); pw.print(mContentBottom); pw.println(")");
6467        pw.print(prefix); pw.print("mVoiceContent=("); pw.print(mVoiceContentLeft);
6468                pw.print(","); pw.print(mVoiceContentTop);
6469                pw.print(")-("); pw.print(mVoiceContentRight);
6470                pw.print(","); pw.print(mVoiceContentBottom); pw.println(")");
6471        pw.print(prefix); pw.print("mDock=("); pw.print(mDockLeft);
6472                pw.print(","); pw.print(mDockTop);
6473                pw.print(")-("); pw.print(mDockRight);
6474                pw.print(","); pw.print(mDockBottom); pw.println(")");
6475        pw.print(prefix); pw.print("mDockLayer="); pw.print(mDockLayer);
6476                pw.print(" mStatusBarLayer="); pw.println(mStatusBarLayer);
6477        pw.print(prefix); pw.print("mShowingLockscreen="); pw.print(mShowingLockscreen);
6478                pw.print(" mShowingDream="); pw.print(mShowingDream);
6479                pw.print(" mDreamingLockscreen="); pw.println(mDreamingLockscreen);
6480        if (mLastInputMethodWindow != null) {
6481            pw.print(prefix); pw.print("mLastInputMethodWindow=");
6482                    pw.println(mLastInputMethodWindow);
6483        }
6484        if (mLastInputMethodTargetWindow != null) {
6485            pw.print(prefix); pw.print("mLastInputMethodTargetWindow=");
6486                    pw.println(mLastInputMethodTargetWindow);
6487        }
6488        if (mStatusBar != null) {
6489            pw.print(prefix); pw.print("mStatusBar=");
6490                    pw.print(mStatusBar); pw.print(" isStatusBarKeyguard=");
6491                    pw.println(isStatusBarKeyguard());
6492        }
6493        if (mNavigationBar != null) {
6494            pw.print(prefix); pw.print("mNavigationBar=");
6495                    pw.println(mNavigationBar);
6496        }
6497        if (mFocusedWindow != null) {
6498            pw.print(prefix); pw.print("mFocusedWindow=");
6499                    pw.println(mFocusedWindow);
6500        }
6501        if (mFocusedApp != null) {
6502            pw.print(prefix); pw.print("mFocusedApp=");
6503                    pw.println(mFocusedApp);
6504        }
6505        if (mWinDismissingKeyguard != null) {
6506            pw.print(prefix); pw.print("mWinDismissingKeyguard=");
6507                    pw.println(mWinDismissingKeyguard);
6508        }
6509        if (mTopFullscreenOpaqueWindowState != null) {
6510            pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
6511                    pw.println(mTopFullscreenOpaqueWindowState);
6512        }
6513        if (mTopFullscreenOpaqueOrDimmingWindowState != null) {
6514            pw.print(prefix); pw.print("mTopFullscreenOpaqueOrDimmingWindowState=");
6515                    pw.println(mTopFullscreenOpaqueOrDimmingWindowState);
6516        }
6517        if (mForcingShowNavBar) {
6518            pw.print(prefix); pw.print("mForcingShowNavBar=");
6519                    pw.println(mForcingShowNavBar); pw.print( "mForcingShowNavBarLayer=");
6520                    pw.println(mForcingShowNavBarLayer);
6521        }
6522        pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
6523                pw.print(" mHideLockScreen="); pw.println(mHideLockScreen);
6524        pw.print(prefix); pw.print("mForceStatusBar="); pw.print(mForceStatusBar);
6525                pw.print(" mForceStatusBarFromKeyguard=");
6526                pw.println(mForceStatusBarFromKeyguard);
6527        pw.print(prefix); pw.print("mDismissKeyguard="); pw.print(mDismissKeyguard);
6528                pw.print(" mWinDismissingKeyguard="); pw.print(mWinDismissingKeyguard);
6529                pw.print(" mHomePressed="); pw.println(mHomePressed);
6530        pw.print(prefix); pw.print("mAllowLockscreenWhenOn="); pw.print(mAllowLockscreenWhenOn);
6531                pw.print(" mLockScreenTimeout="); pw.print(mLockScreenTimeout);
6532                pw.print(" mLockScreenTimerActive="); pw.println(mLockScreenTimerActive);
6533        pw.print(prefix); pw.print("mEndcallBehavior="); pw.print(mEndcallBehavior);
6534                pw.print(" mIncallPowerBehavior="); pw.print(mIncallPowerBehavior);
6535                pw.print(" mLongPressOnHomeBehavior="); pw.println(mLongPressOnHomeBehavior);
6536        pw.print(prefix); pw.print("mLandscapeRotation="); pw.print(mLandscapeRotation);
6537                pw.print(" mSeascapeRotation="); pw.println(mSeascapeRotation);
6538        pw.print(prefix); pw.print("mPortraitRotation="); pw.print(mPortraitRotation);
6539                pw.print(" mUpsideDownRotation="); pw.println(mUpsideDownRotation);
6540        pw.print(prefix); pw.print("mDemoHdmiRotation="); pw.print(mDemoHdmiRotation);
6541                pw.print(" mDemoHdmiRotationLock="); pw.println(mDemoHdmiRotationLock);
6542        pw.print(prefix); pw.print("mUndockedHdmiRotation="); pw.println(mUndockedHdmiRotation);
6543
6544        mGlobalKeyManager.dump(prefix, pw);
6545        mStatusBarController.dump(pw, prefix);
6546        mNavigationBarController.dump(pw, prefix);
6547        PolicyControl.dump(prefix, pw);
6548
6549        if (mWakeGestureListener != null) {
6550            mWakeGestureListener.dump(pw, prefix);
6551        }
6552        if (mOrientationListener != null) {
6553            mOrientationListener.dump(pw, prefix);
6554        }
6555        if (mBurnInProtectionHelper != null) {
6556            mBurnInProtectionHelper.dump(prefix, pw);
6557        }
6558    }
6559}
6560