PhoneWindowManager.java revision 81fe2d1f0adc9e752d7f1a410d66af6a326fd6e2 
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 static android.app.ActivityManager.StackId.DOCKED_STACK_ID;
20import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
21import static android.view.WindowManager.LayoutParams.*;
22import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_ABSENT;
23import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_OPEN;
24import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_CLOSED;
25import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVER_ABSENT;
26import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_UNCOVERED;
27import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVERED;
28
29import android.app.ActivityManager;
30import android.app.ActivityManagerInternal;
31import android.app.ActivityManagerInternal.SleepToken;
32import android.app.ActivityManagerNative;
33import android.app.AppOpsManager;
34import android.app.IUiModeManager;
35import android.app.ProgressDialog;
36import android.app.SearchManager;
37import android.app.StatusBarManager;
38import android.app.UiModeManager;
39import android.content.ActivityNotFoundException;
40import android.content.BroadcastReceiver;
41import android.content.ComponentName;
42import android.content.ContentResolver;
43import android.content.Context;
44import android.content.Intent;
45import android.content.IntentFilter;
46import android.content.ServiceConnection;
47import android.content.pm.ActivityInfo;
48import android.content.pm.PackageManager;
49import android.content.pm.ResolveInfo;
50import android.content.res.CompatibilityInfo;
51import android.content.res.Configuration;
52import android.content.res.Resources;
53import android.database.ContentObserver;
54import android.graphics.PixelFormat;
55import android.graphics.Rect;
56import android.hardware.hdmi.HdmiControlManager;
57import android.hardware.hdmi.HdmiPlaybackClient;
58import android.hardware.hdmi.HdmiPlaybackClient.OneTouchPlayCallback;
59import android.media.AudioAttributes;
60import android.media.AudioManager;
61import android.media.AudioSystem;
62import android.media.IAudioService;
63import android.media.Ringtone;
64import android.media.RingtoneManager;
65import android.media.session.MediaSessionLegacyHelper;
66import android.os.Binder;
67import android.os.Bundle;
68import android.os.Debug;
69import android.os.FactoryTest;
70import android.os.Handler;
71import android.os.IBinder;
72import android.os.IDeviceIdleController;
73import android.os.Looper;
74import android.os.Message;
75import android.os.Messenger;
76import android.os.PowerManager;
77import android.os.PowerManagerInternal;
78import android.os.Process;
79import android.os.RemoteException;
80import android.os.ServiceManager;
81import android.os.SystemClock;
82import android.os.SystemProperties;
83import android.os.UEventObserver;
84import android.os.UserHandle;
85import android.os.Vibrator;
86import android.provider.MediaStore;
87import android.provider.Settings;
88import android.service.dreams.DreamManagerInternal;
89import android.service.dreams.DreamService;
90import android.service.dreams.IDreamManager;
91import android.speech.RecognizerIntent;
92import android.telecom.TelecomManager;
93import android.util.DisplayMetrics;
94import android.util.EventLog;
95import android.util.Log;
96import android.util.Slog;
97import android.util.SparseArray;
98import android.view.Display;
99import android.view.Gravity;
100import android.view.HapticFeedbackConstants;
101import android.view.IApplicationToken;
102import android.view.IWindowManager;
103import android.view.InputChannel;
104import android.view.InputDevice;
105import android.view.InputEvent;
106import android.view.InputEventReceiver;
107import android.view.KeyCharacterMap;
108import android.view.KeyCharacterMap.FallbackAction;
109import android.view.KeyEvent;
110import android.view.MotionEvent;
111import android.view.Surface;
112import android.view.View;
113import android.view.ViewConfiguration;
114import android.view.WindowManager;
115import android.view.WindowManagerGlobal;
116import android.view.WindowManagerInternal;
117import android.view.WindowManagerPolicy;
118import android.view.accessibility.AccessibilityEvent;
119import android.view.accessibility.AccessibilityManager;
120import android.view.animation.Animation;
121import android.view.animation.AnimationSet;
122import android.view.animation.AnimationUtils;
123import com.android.internal.R;
124import com.android.internal.logging.MetricsLogger;
125import com.android.internal.policy.PhoneWindow;
126import com.android.internal.statusbar.IStatusBarService;
127import com.android.internal.util.ScreenShapeHelper;
128import com.android.internal.widget.PointerLocationView;
129import com.android.server.GestureLauncherService;
130import com.android.server.LocalServices;
131import com.android.server.policy.keyguard.KeyguardServiceDelegate;
132import com.android.server.policy.keyguard.KeyguardServiceDelegate.DrawnListener;
133
134import java.io.File;
135import java.io.FileReader;
136import java.io.IOException;
137import java.io.PrintWriter;
138import java.util.HashSet;
139import java.util.List;
140
141/**
142 * WindowManagerPolicy implementation for the Android phone UI.  This
143 * introduces a new method suffix, Lp, for an internal lock of the
144 * PhoneWindowManager.  This is used to protect some internal state, and
145 * can be acquired with either the Lw and Li lock held, so has the restrictions
146 * of both of those when held.
147 */
148public class PhoneWindowManager implements WindowManagerPolicy {
149    static final String TAG = "WindowManager";
150    static final boolean DEBUG = false;
151    static final boolean localLOGV = false;
152    static final boolean DEBUG_INPUT = false;
153    static final boolean DEBUG_KEYGUARD = false;
154    static final boolean DEBUG_LAYOUT = false;
155    static final boolean DEBUG_STARTING_WINDOW = false;
156    static final boolean DEBUG_WAKEUP = false;
157    static final boolean SHOW_STARTING_ANIMATIONS = true;
158    static final boolean SHOW_PROCESSES_ON_ALT_MENU = false;
159
160    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
161    // No longer recommended for desk docks;
162    static final boolean ENABLE_DESK_DOCK_HOME_CAPTURE = false;
163
164    static final int SHORT_PRESS_POWER_NOTHING = 0;
165    static final int SHORT_PRESS_POWER_GO_TO_SLEEP = 1;
166    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP = 2;
167    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME = 3;
168    static final int SHORT_PRESS_POWER_GO_HOME = 4;
169
170    static final int LONG_PRESS_POWER_NOTHING = 0;
171    static final int LONG_PRESS_POWER_GLOBAL_ACTIONS = 1;
172    static final int LONG_PRESS_POWER_SHUT_OFF = 2;
173    static final int LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM = 3;
174
175    static final int MULTI_PRESS_POWER_NOTHING = 0;
176    static final int MULTI_PRESS_POWER_THEATER_MODE = 1;
177    static final int MULTI_PRESS_POWER_BRIGHTNESS_BOOST = 2;
178
179    // These need to match the documentation/constant in
180    // core/res/res/values/config.xml
181    static final int LONG_PRESS_HOME_NOTHING = 0;
182    static final int LONG_PRESS_HOME_RECENT_SYSTEM_UI = 1;
183    static final int LONG_PRESS_HOME_ASSIST = 2;
184
185    static final int DOUBLE_TAP_HOME_NOTHING = 0;
186    static final int DOUBLE_TAP_HOME_RECENT_SYSTEM_UI = 1;
187
188    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP = 0;
189    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME = 1;
190
191    static final int APPLICATION_MEDIA_SUBLAYER = -2;
192    static final int APPLICATION_MEDIA_OVERLAY_SUBLAYER = -1;
193    static final int APPLICATION_PANEL_SUBLAYER = 1;
194    static final int APPLICATION_SUB_PANEL_SUBLAYER = 2;
195    static final int APPLICATION_ABOVE_SUB_PANEL_SUBLAYER = 3;
196
197    static public final String SYSTEM_DIALOG_REASON_KEY = "reason";
198    static public final String SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS = "globalactions";
199    static public final String SYSTEM_DIALOG_REASON_RECENT_APPS = "recentapps";
200    static public final String SYSTEM_DIALOG_REASON_HOME_KEY = "homekey";
201    static public final String SYSTEM_DIALOG_REASON_ASSIST = "assist";
202
203    /**
204     * These are the system UI flags that, when changing, can cause the layout
205     * of the screen to change.
206     */
207    static final int SYSTEM_UI_CHANGING_LAYOUT =
208              View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
209            | View.SYSTEM_UI_FLAG_FULLSCREEN
210            | View.STATUS_BAR_TRANSLUCENT
211            | View.NAVIGATION_BAR_TRANSLUCENT
212            | View.STATUS_BAR_TRANSPARENT
213            | View.NAVIGATION_BAR_TRANSPARENT;
214
215    private static final AudioAttributes VIBRATION_ATTRIBUTES = new AudioAttributes.Builder()
216            .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
217            .setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION)
218            .build();
219
220    // The panic gesture may become active only after the keyguard is dismissed and the immersive
221    // app shows again. If that doesn't happen for 30s we drop the gesture.
222    private static final long PANIC_GESTURE_EXPIRATION = 30000;
223
224    /**
225     * Keyguard stuff
226     */
227    private WindowState mKeyguardScrim;
228    private boolean mKeyguardHidden;
229    private boolean mKeyguardDrawnOnce;
230
231    /* Table of Application Launch keys.  Maps from key codes to intent categories.
232     *
233     * These are special keys that are used to launch particular kinds of applications,
234     * such as a web browser.  HID defines nearly a hundred of them in the Consumer (0x0C)
235     * usage page.  We don't support quite that many yet...
236     */
237    static SparseArray<String> sApplicationLaunchKeyCategories;
238    static {
239        sApplicationLaunchKeyCategories = new SparseArray<String>();
240        sApplicationLaunchKeyCategories.append(
241                KeyEvent.KEYCODE_EXPLORER, Intent.CATEGORY_APP_BROWSER);
242        sApplicationLaunchKeyCategories.append(
243                KeyEvent.KEYCODE_ENVELOPE, Intent.CATEGORY_APP_EMAIL);
244        sApplicationLaunchKeyCategories.append(
245                KeyEvent.KEYCODE_CONTACTS, Intent.CATEGORY_APP_CONTACTS);
246        sApplicationLaunchKeyCategories.append(
247                KeyEvent.KEYCODE_CALENDAR, Intent.CATEGORY_APP_CALENDAR);
248        sApplicationLaunchKeyCategories.append(
249                KeyEvent.KEYCODE_MUSIC, Intent.CATEGORY_APP_MUSIC);
250        sApplicationLaunchKeyCategories.append(
251                KeyEvent.KEYCODE_CALCULATOR, Intent.CATEGORY_APP_CALCULATOR);
252    }
253
254    /** Amount of time (in milliseconds) to wait for windows drawn before powering on. */
255    static final int WAITING_FOR_DRAWN_TIMEOUT = 1000;
256
257    /**
258     * Lock protecting internal state.  Must not call out into window
259     * manager with lock held.  (This lock will be acquired in places
260     * where the window manager is calling in with its own lock held.)
261     */
262    private final Object mLock = new Object();
263
264    Context mContext;
265    IWindowManager mWindowManager;
266    WindowManagerFuncs mWindowManagerFuncs;
267    WindowManagerInternal mWindowManagerInternal;
268    PowerManager mPowerManager;
269    ActivityManagerInternal mActivityManagerInternal;
270    DreamManagerInternal mDreamManagerInternal;
271    PowerManagerInternal mPowerManagerInternal;
272    IStatusBarService mStatusBarService;
273    boolean mPreloadedRecentApps;
274    final Object mServiceAquireLock = new Object();
275    Vibrator mVibrator; // Vibrator for giving feedback of orientation changes
276    SearchManager mSearchManager;
277    AccessibilityManager mAccessibilityManager;
278    BurnInProtectionHelper mBurnInProtectionHelper;
279    AppOpsManager mAppOpsManager;
280
281    // Vibrator pattern for haptic feedback of a long press.
282    long[] mLongPressVibePattern;
283
284    // Vibrator pattern for haptic feedback of virtual key press.
285    long[] mVirtualKeyVibePattern;
286
287    // Vibrator pattern for a short vibration.
288    long[] mKeyboardTapVibePattern;
289
290    // Vibrator pattern for a short vibration when tapping on an hour/minute tick of a Clock.
291    long[] mClockTickVibePattern;
292
293    // Vibrator pattern for a short vibration when tapping on a day/month/year date of a Calendar.
294    long[] mCalendarDateVibePattern;
295
296    // Vibrator pattern for haptic feedback during boot when safe mode is disabled.
297    long[] mSafeModeDisabledVibePattern;
298
299    // Vibrator pattern for haptic feedback during boot when safe mode is enabled.
300    long[] mSafeModeEnabledVibePattern;
301
302    // Vibrator pattern for haptic feedback of a context click.
303    long[] mContextClickVibePattern;
304
305    /** If true, hitting shift & menu will broadcast Intent.ACTION_BUG_REPORT */
306    boolean mEnableShiftMenuBugReports = false;
307
308    boolean mSafeMode;
309    WindowState mStatusBar = null;
310    int mStatusBarHeight;
311    WindowState mNavigationBar = null;
312    boolean mHasNavigationBar = false;
313    boolean mCanHideNavigationBar = false;
314    boolean mNavigationBarCanMove = false; // can the navigation bar ever move to the side?
315    boolean mNavigationBarOnBottom = true; // is the navigation bar on the bottom *right now*?
316    int[] mNavigationBarHeightForRotation = new int[4];
317    int[] mNavigationBarWidthForRotation = new int[4];
318
319    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
320    // This is for car dock and this is updated from resource.
321    private boolean mEnableCarDockHomeCapture = true;
322
323    boolean mBootMessageNeedsHiding;
324    KeyguardServiceDelegate mKeyguardDelegate;
325    final Runnable mWindowManagerDrawCallback = new Runnable() {
326        @Override
327        public void run() {
328            if (DEBUG_WAKEUP) Slog.i(TAG, "All windows ready for display!");
329            mHandler.sendEmptyMessage(MSG_WINDOW_MANAGER_DRAWN_COMPLETE);
330        }
331    };
332    final DrawnListener mKeyguardDrawnCallback = new DrawnListener() {
333        @Override
334        public void onDrawn() {
335            if (DEBUG_WAKEUP) Slog.d(TAG, "mKeyguardDelegate.ShowListener.onDrawn.");
336            mHandler.sendEmptyMessage(MSG_KEYGUARD_DRAWN_COMPLETE);
337        }
338    };
339
340    GlobalActions mGlobalActions;
341    Handler mHandler;
342    WindowState mLastInputMethodWindow = null;
343    WindowState mLastInputMethodTargetWindow = null;
344
345    // FIXME This state is shared between the input reader and handler thread.
346    // Technically it's broken and buggy but it has been like this for many years
347    // and we have not yet seen any problems.  Someday we'll rewrite this logic
348    // so that only one thread is involved in handling input policy.  Unfortunately
349    // it's on a critical path for power management so we can't just post the work to the
350    // handler thread.  We'll need to resolve this someday by teaching the input dispatcher
351    // to hold wakelocks during dispatch and eliminating the critical path.
352    volatile boolean mPowerKeyHandled;
353    volatile boolean mBeganFromNonInteractive;
354    volatile int mPowerKeyPressCounter;
355    volatile boolean mEndCallKeyHandled;
356
357    boolean mRecentsVisible;
358    int mRecentAppsHeldModifiers;
359    boolean mLanguageSwitchKeyPressed;
360
361    int mLidState = LID_ABSENT;
362    int mCameraLensCoverState = CAMERA_LENS_COVER_ABSENT;
363    boolean mHaveBuiltInKeyboard;
364
365    boolean mSystemReady;
366    boolean mSystemBooted;
367    private boolean mDeferBindKeyguard;
368    boolean mHdmiPlugged;
369    HdmiControl mHdmiControl;
370    IUiModeManager mUiModeManager;
371    int mUiMode;
372    int mDockMode = Intent.EXTRA_DOCK_STATE_UNDOCKED;
373    int mLidOpenRotation;
374    int mCarDockRotation;
375    int mDeskDockRotation;
376    int mUndockedHdmiRotation;
377    int mDemoHdmiRotation;
378    boolean mDemoHdmiRotationLock;
379    int mDemoRotation;
380    boolean mDemoRotationLock;
381
382    boolean mWakeGestureEnabledSetting;
383    MyWakeGestureListener mWakeGestureListener;
384
385    // Default display does not rotate, apps that require non-default orientation will have to
386    // have the orientation emulated.
387    private boolean mForceDefaultOrientation = false;
388
389    int mUserRotationMode = WindowManagerPolicy.USER_ROTATION_FREE;
390    int mUserRotation = Surface.ROTATION_0;
391    boolean mAccelerometerDefault;
392
393    boolean mSupportAutoRotation;
394    int mAllowAllRotations = -1;
395    boolean mCarDockEnablesAccelerometer;
396    boolean mDeskDockEnablesAccelerometer;
397    int mLidKeyboardAccessibility;
398    int mLidNavigationAccessibility;
399    boolean mLidControlsScreenLock;
400    boolean mLidControlsSleep;
401    int mShortPressOnPowerBehavior;
402    int mLongPressOnPowerBehavior;
403    int mDoublePressOnPowerBehavior;
404    int mTriplePressOnPowerBehavior;
405    int mShortPressOnSleepBehavior;
406    boolean mAwake;
407    boolean mScreenOnEarly;
408    boolean mScreenOnFully;
409    ScreenOnListener mScreenOnListener;
410    boolean mKeyguardDrawComplete;
411    boolean mWindowManagerDrawComplete;
412    boolean mOrientationSensorEnabled = false;
413    int mCurrentAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
414    boolean mHasSoftInput = false;
415    boolean mTranslucentDecorEnabled = true;
416    boolean mUseTvRouting;
417
418    int mPointerLocationMode = 0; // guarded by mLock
419
420    // The last window we were told about in focusChanged.
421    WindowState mFocusedWindow;
422    IApplicationToken mFocusedApp;
423
424    PointerLocationView mPointerLocationView;
425
426    // The current size of the screen; really; extends into the overscan area of
427    // the screen and doesn't account for any system elements like the status bar.
428    int mOverscanScreenLeft, mOverscanScreenTop;
429    int mOverscanScreenWidth, mOverscanScreenHeight;
430    // The current visible size of the screen; really; (ir)regardless of whether the status
431    // bar can be hidden but not extending into the overscan area.
432    int mUnrestrictedScreenLeft, mUnrestrictedScreenTop;
433    int mUnrestrictedScreenWidth, mUnrestrictedScreenHeight;
434    // Like mOverscanScreen*, but allowed to move into the overscan region where appropriate.
435    int mRestrictedOverscanScreenLeft, mRestrictedOverscanScreenTop;
436    int mRestrictedOverscanScreenWidth, mRestrictedOverscanScreenHeight;
437    // The current size of the screen; these may be different than (0,0)-(dw,dh)
438    // if the status bar can't be hidden; in that case it effectively carves out
439    // that area of the display from all other windows.
440    int mRestrictedScreenLeft, mRestrictedScreenTop;
441    int mRestrictedScreenWidth, mRestrictedScreenHeight;
442    // During layout, the current screen borders accounting for any currently
443    // visible system UI elements.
444    int mSystemLeft, mSystemTop, mSystemRight, mSystemBottom;
445    // For applications requesting stable content insets, these are them.
446    int mStableLeft, mStableTop, mStableRight, mStableBottom;
447    // For applications requesting stable content insets but have also set the
448    // fullscreen window flag, these are the stable dimensions without the status bar.
449    int mStableFullscreenLeft, mStableFullscreenTop;
450    int mStableFullscreenRight, mStableFullscreenBottom;
451    // During layout, the current screen borders with all outer decoration
452    // (status bar, input method dock) accounted for.
453    int mCurLeft, mCurTop, mCurRight, mCurBottom;
454    // During layout, the frame in which content should be displayed
455    // to the user, accounting for all screen decoration except for any
456    // space they deem as available for other content.  This is usually
457    // the same as mCur*, but may be larger if the screen decor has supplied
458    // content insets.
459    int mContentLeft, mContentTop, mContentRight, mContentBottom;
460    // During layout, the frame in which voice content should be displayed
461    // to the user, accounting for all screen decoration except for any
462    // space they deem as available for other content.
463    int mVoiceContentLeft, mVoiceContentTop, mVoiceContentRight, mVoiceContentBottom;
464    // During layout, the current screen borders along which input method
465    // windows are placed.
466    int mDockLeft, mDockTop, mDockRight, mDockBottom;
467    // During layout, the layer at which the doc window is placed.
468    int mDockLayer;
469    // During layout, this is the layer of the status bar.
470    int mStatusBarLayer;
471    int mLastSystemUiFlags;
472    // Bits that we are in the process of clearing, so we want to prevent
473    // them from being set by applications until everything has been updated
474    // to have them clear.
475    int mResettingSystemUiFlags = 0;
476    // Bits that we are currently always keeping cleared.
477    int mForceClearedSystemUiFlags = 0;
478    // What we last reported to system UI about whether the compatibility
479    // menu needs to be displayed.
480    boolean mLastFocusNeedsMenu = false;
481    // If nonzero, a panic gesture was performed at that time in uptime millis and is still pending.
482    private long mPendingPanicGestureUptime;
483
484    InputConsumer mInputConsumer = null;
485
486    static final Rect mTmpParentFrame = new Rect();
487    static final Rect mTmpDisplayFrame = new Rect();
488    static final Rect mTmpOverscanFrame = new Rect();
489    static final Rect mTmpContentFrame = new Rect();
490    static final Rect mTmpVisibleFrame = new Rect();
491    static final Rect mTmpDecorFrame = new Rect();
492    static final Rect mTmpStableFrame = new Rect();
493    static final Rect mTmpNavigationFrame = new Rect();
494    static final Rect mTmpOutsetFrame = new Rect();
495
496    WindowState mTopFullscreenOpaqueWindowState;
497    WindowState mTopFullscreenOpaqueOrDimmingWindowState;
498    HashSet<IApplicationToken> mAppsToBeHidden = new HashSet<IApplicationToken>();
499    HashSet<IApplicationToken> mAppsThatDismissKeyguard = new HashSet<IApplicationToken>();
500    boolean mTopIsFullscreen;
501    boolean mForceStatusBar;
502    boolean mForceStatusBarFromKeyguard;
503    private boolean mForceStatusBarTransparent;
504    boolean mHideLockScreen;
505    boolean mForcingShowNavBar;
506    int mForcingShowNavBarLayer;
507
508    // States of keyguard dismiss.
509    private static final int DISMISS_KEYGUARD_NONE = 0; // Keyguard not being dismissed.
510    private static final int DISMISS_KEYGUARD_START = 1; // Keyguard needs to be dismissed.
511    private static final int DISMISS_KEYGUARD_CONTINUE = 2; // Keyguard has been dismissed.
512    int mDismissKeyguard = DISMISS_KEYGUARD_NONE;
513
514    /** The window that is currently dismissing the keyguard. Dismissing the keyguard must only
515     * be done once per window. */
516    private WindowState mWinDismissingKeyguard;
517
518    /** When window is currently dismissing the keyguard, dismissing the keyguard must handle
519     * the keygaurd secure state change instantly case, e.g. the use case of inserting a PIN
520     * lock SIM card. This variable is used to record the previous keyguard secure state for
521     * monitoring secure state change on window dismissing keyguard. */
522    private boolean mSecureDismissingKeyguard;
523
524    /** The window that is currently showing "over" the keyguard. If there is an app window
525     * belonging to another app on top of this the keyguard shows. If there is a fullscreen
526     * app window under this, still dismiss the keyguard but don't show the app underneath. Show
527     * the wallpaper. */
528    private WindowState mWinShowWhenLocked;
529
530    boolean mShowingLockscreen;
531    boolean mShowingDream;
532    boolean mDreamingLockscreen;
533    boolean mDreamingSleepTokenNeeded;
534    SleepToken mDreamingSleepToken;
535    SleepToken mScreenOffSleepToken;
536    boolean mKeyguardSecure;
537    boolean mKeyguardSecureIncludingHidden;
538    volatile boolean mKeyguardOccluded;
539    boolean mHomePressed;
540    boolean mHomeConsumed;
541    boolean mHomeDoubleTapPending;
542    Intent mHomeIntent;
543    Intent mCarDockIntent;
544    Intent mDeskDockIntent;
545    boolean mSearchKeyShortcutPending;
546    boolean mConsumeSearchKeyUp;
547    boolean mAssistKeyLongPressed;
548    boolean mPendingMetaAction;
549
550    // support for activating the lock screen while the screen is on
551    boolean mAllowLockscreenWhenOn;
552    int mLockScreenTimeout;
553    boolean mLockScreenTimerActive;
554
555    // Behavior of ENDCALL Button.  (See Settings.System.END_BUTTON_BEHAVIOR.)
556    int mEndcallBehavior;
557
558    // Behavior of POWER button while in-call and screen on.
559    // (See Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR.)
560    int mIncallPowerBehavior;
561
562    Display mDisplay;
563
564    private int mDisplayRotation;
565
566    int mLandscapeRotation = 0;  // default landscape rotation
567    int mSeascapeRotation = 0;   // "other" landscape rotation, 180 degrees from mLandscapeRotation
568    int mPortraitRotation = 0;   // default portrait rotation
569    int mUpsideDownRotation = 0; // "other" portrait rotation
570
571    int mOverscanLeft = 0;
572    int mOverscanTop = 0;
573    int mOverscanRight = 0;
574    int mOverscanBottom = 0;
575
576    // What we do when the user long presses on home
577    private int mLongPressOnHomeBehavior;
578
579    // What we do when the user double-taps on home
580    private int mDoubleTapOnHomeBehavior;
581
582    // Allowed theater mode wake actions
583    private boolean mAllowTheaterModeWakeFromKey;
584    private boolean mAllowTheaterModeWakeFromPowerKey;
585    private boolean mAllowTheaterModeWakeFromMotion;
586    private boolean mAllowTheaterModeWakeFromMotionWhenNotDreaming;
587    private boolean mAllowTheaterModeWakeFromCameraLens;
588    private boolean mAllowTheaterModeWakeFromLidSwitch;
589    private boolean mAllowTheaterModeWakeFromWakeGesture;
590
591    // Whether to support long press from power button in non-interactive mode
592    private boolean mSupportLongPressPowerWhenNonInteractive;
593
594    // Whether to go to sleep entering theater mode from power button
595    private boolean mGoToSleepOnButtonPressTheaterMode;
596
597    // Screenshot trigger states
598    // Time to volume and power must be pressed within this interval of each other.
599    private static final long SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS = 150;
600    // Increase the chord delay when taking a screenshot from the keyguard
601    private static final float KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER = 2.5f;
602    private boolean mScreenshotChordEnabled;
603    private boolean mScreenshotChordVolumeDownKeyTriggered;
604    private long mScreenshotChordVolumeDownKeyTime;
605    private boolean mScreenshotChordVolumeDownKeyConsumed;
606    private boolean mScreenshotChordVolumeUpKeyTriggered;
607    private boolean mScreenshotChordPowerKeyTriggered;
608    private long mScreenshotChordPowerKeyTime;
609
610    /* The number of steps between min and max brightness */
611    private static final int BRIGHTNESS_STEPS = 10;
612
613    SettingsObserver mSettingsObserver;
614    ShortcutManager mShortcutManager;
615    PowerManager.WakeLock mBroadcastWakeLock;
616    PowerManager.WakeLock mPowerKeyWakeLock;
617    boolean mHavePendingMediaKeyRepeatWithWakeLock;
618
619    private int mCurrentUserId;
620
621    // Maps global key codes to the components that will handle them.
622    private GlobalKeyManager mGlobalKeyManager;
623
624    // Fallback actions by key code.
625    private final SparseArray<KeyCharacterMap.FallbackAction> mFallbackActions =
626            new SparseArray<KeyCharacterMap.FallbackAction>();
627
628    private final LogDecelerateInterpolator mLogDecelerateInterpolator
629            = new LogDecelerateInterpolator(100, 0);
630
631    private boolean mForceWindowDrawsStatusBarBackground;
632
633    private static final int MSG_ENABLE_POINTER_LOCATION = 1;
634    private static final int MSG_DISABLE_POINTER_LOCATION = 2;
635    private static final int MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK = 3;
636    private static final int MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK = 4;
637    private static final int MSG_KEYGUARD_DRAWN_COMPLETE = 5;
638    private static final int MSG_KEYGUARD_DRAWN_TIMEOUT = 6;
639    private static final int MSG_WINDOW_MANAGER_DRAWN_COMPLETE = 7;
640    private static final int MSG_DISPATCH_SHOW_RECENTS = 9;
641    private static final int MSG_DISPATCH_SHOW_GLOBAL_ACTIONS = 10;
642    private static final int MSG_HIDE_BOOT_MESSAGE = 11;
643    private static final int MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK = 12;
644    private static final int MSG_POWER_DELAYED_PRESS = 13;
645    private static final int MSG_POWER_LONG_PRESS = 14;
646    private static final int MSG_UPDATE_DREAMING_SLEEP_TOKEN = 15;
647    private static final int MSG_REQUEST_TRANSIENT_BARS = 16;
648
649    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS = 0;
650    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION = 1;
651
652    private class PolicyHandler extends Handler {
653        @Override
654        public void handleMessage(Message msg) {
655            switch (msg.what) {
656                case MSG_ENABLE_POINTER_LOCATION:
657                    enablePointerLocation();
658                    break;
659                case MSG_DISABLE_POINTER_LOCATION:
660                    disablePointerLocation();
661                    break;
662                case MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK:
663                    dispatchMediaKeyWithWakeLock((KeyEvent)msg.obj);
664                    break;
665                case MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK:
666                    dispatchMediaKeyRepeatWithWakeLock((KeyEvent)msg.obj);
667                    break;
668                case MSG_DISPATCH_SHOW_RECENTS:
669                    showRecentApps(false);
670                    break;
671                case MSG_DISPATCH_SHOW_GLOBAL_ACTIONS:
672                    showGlobalActionsInternal();
673                    break;
674                case MSG_KEYGUARD_DRAWN_COMPLETE:
675                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mKeyguardDrawComplete");
676                    finishKeyguardDrawn();
677                    break;
678                case MSG_KEYGUARD_DRAWN_TIMEOUT:
679                    Slog.w(TAG, "Keyguard drawn timeout. Setting mKeyguardDrawComplete");
680                    finishKeyguardDrawn();
681                    break;
682                case MSG_WINDOW_MANAGER_DRAWN_COMPLETE:
683                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mWindowManagerDrawComplete");
684                    finishWindowsDrawn();
685                    break;
686                case MSG_HIDE_BOOT_MESSAGE:
687                    handleHideBootMessage();
688                    break;
689                case MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK:
690                    launchVoiceAssistWithWakeLock(msg.arg1 != 0);
691                    break;
692                case MSG_POWER_DELAYED_PRESS:
693                    powerPress((Long)msg.obj, msg.arg1 != 0, msg.arg2);
694                    finishPowerKeyPress();
695                    break;
696                case MSG_POWER_LONG_PRESS:
697                    powerLongPress();
698                    break;
699                case MSG_UPDATE_DREAMING_SLEEP_TOKEN:
700                    updateDreamingSleepToken(msg.arg1 != 0);
701                    break;
702                case MSG_REQUEST_TRANSIENT_BARS:
703                    WindowState targetBar = (msg.arg1 == MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS) ?
704                            mStatusBar : mNavigationBar;
705                    if (targetBar != null) {
706                        requestTransientBars(targetBar);
707                    }
708                    break;
709            }
710        }
711    }
712
713    private UEventObserver mHDMIObserver = new UEventObserver() {
714        @Override
715        public void onUEvent(UEventObserver.UEvent event) {
716            setHdmiPlugged("1".equals(event.get("SWITCH_STATE")));
717        }
718    };
719
720    class SettingsObserver extends ContentObserver {
721        SettingsObserver(Handler handler) {
722            super(handler);
723        }
724
725        void observe() {
726            // Observe all users' changes
727            ContentResolver resolver = mContext.getContentResolver();
728            resolver.registerContentObserver(Settings.System.getUriFor(
729                    Settings.System.END_BUTTON_BEHAVIOR), false, this,
730                    UserHandle.USER_ALL);
731            resolver.registerContentObserver(Settings.Secure.getUriFor(
732                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR), false, this,
733                    UserHandle.USER_ALL);
734            resolver.registerContentObserver(Settings.Secure.getUriFor(
735                    Settings.Secure.WAKE_GESTURE_ENABLED), false, this,
736                    UserHandle.USER_ALL);
737            resolver.registerContentObserver(Settings.System.getUriFor(
738                    Settings.System.ACCELEROMETER_ROTATION), false, this,
739                    UserHandle.USER_ALL);
740            resolver.registerContentObserver(Settings.System.getUriFor(
741                    Settings.System.USER_ROTATION), false, this,
742                    UserHandle.USER_ALL);
743            resolver.registerContentObserver(Settings.System.getUriFor(
744                    Settings.System.SCREEN_OFF_TIMEOUT), false, this,
745                    UserHandle.USER_ALL);
746            resolver.registerContentObserver(Settings.System.getUriFor(
747                    Settings.System.POINTER_LOCATION), false, this,
748                    UserHandle.USER_ALL);
749            resolver.registerContentObserver(Settings.Secure.getUriFor(
750                    Settings.Secure.DEFAULT_INPUT_METHOD), false, this,
751                    UserHandle.USER_ALL);
752            resolver.registerContentObserver(Settings.Secure.getUriFor(
753                    Settings.Secure.IMMERSIVE_MODE_CONFIRMATIONS), false, this,
754                    UserHandle.USER_ALL);
755            resolver.registerContentObserver(Settings.Global.getUriFor(
756                    Settings.Global.POLICY_CONTROL), false, this,
757                    UserHandle.USER_ALL);
758            updateSettings();
759        }
760
761        @Override public void onChange(boolean selfChange) {
762            updateSettings();
763            updateRotation(false);
764        }
765    }
766
767    class MyWakeGestureListener extends WakeGestureListener {
768        MyWakeGestureListener(Context context, Handler handler) {
769            super(context, handler);
770        }
771
772        @Override
773        public void onWakeUp() {
774            synchronized (mLock) {
775                if (shouldEnableWakeGestureLp()) {
776                    performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
777                    wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromWakeGesture,
778                            "android.policy:GESTURE");
779                }
780            }
781        }
782    }
783
784    class MyOrientationListener extends WindowOrientationListener {
785        private final Runnable mUpdateRotationRunnable = new Runnable() {
786            @Override
787            public void run() {
788                // send interaction hint to improve redraw performance
789                mPowerManagerInternal.powerHint(PowerManagerInternal.POWER_HINT_INTERACTION, 0);
790                updateRotation(false);
791            }
792        };
793
794        MyOrientationListener(Context context, Handler handler) {
795            super(context, handler);
796        }
797
798        @Override
799        public void onProposedRotationChanged(int rotation) {
800            if (localLOGV) Slog.v(TAG, "onProposedRotationChanged, rotation=" + rotation);
801            mHandler.post(mUpdateRotationRunnable);
802        }
803    }
804    MyOrientationListener mOrientationListener;
805
806    private final StatusBarController mStatusBarController = new StatusBarController();
807
808    private final BarController mNavigationBarController = new BarController("NavigationBar",
809            View.NAVIGATION_BAR_TRANSIENT,
810            View.NAVIGATION_BAR_UNHIDE,
811            View.NAVIGATION_BAR_TRANSLUCENT,
812            StatusBarManager.WINDOW_NAVIGATION_BAR,
813            WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION,
814            View.NAVIGATION_BAR_TRANSPARENT);
815
816    private ImmersiveModeConfirmation mImmersiveModeConfirmation;
817
818    private SystemGesturesPointerEventListener mSystemGestures;
819
820    IStatusBarService getStatusBarService() {
821        synchronized (mServiceAquireLock) {
822            if (mStatusBarService == null) {
823                mStatusBarService = IStatusBarService.Stub.asInterface(
824                        ServiceManager.getService("statusbar"));
825            }
826            return mStatusBarService;
827        }
828    }
829
830    /*
831     * We always let the sensor be switched on by default except when
832     * the user has explicitly disabled sensor based rotation or when the
833     * screen is switched off.
834     */
835    boolean needSensorRunningLp() {
836        if (mSupportAutoRotation) {
837            if (mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
838                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
839                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT
840                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE) {
841                // If the application has explicitly requested to follow the
842                // orientation, then we need to turn the sensor on.
843                return true;
844            }
845        }
846        if ((mCarDockEnablesAccelerometer && mDockMode == Intent.EXTRA_DOCK_STATE_CAR) ||
847                (mDeskDockEnablesAccelerometer && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
848                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
849                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK))) {
850            // enable accelerometer if we are docked in a dock that enables accelerometer
851            // orientation management,
852            return true;
853        }
854        if (mUserRotationMode == USER_ROTATION_LOCKED) {
855            // If the setting for using the sensor by default is enabled, then
856            // we will always leave it on.  Note that the user could go to
857            // a window that forces an orientation that does not use the
858            // sensor and in theory we could turn it off... however, when next
859            // turning it on we won't have a good value for the current
860            // orientation for a little bit, which can cause orientation
861            // changes to lag, so we'd like to keep it always on.  (It will
862            // still be turned off when the screen is off.)
863            return false;
864        }
865        return mSupportAutoRotation;
866    }
867
868    /*
869     * Various use cases for invoking this function
870     * screen turning off, should always disable listeners if already enabled
871     * screen turned on and current app has sensor based orientation, enable listeners
872     * if not already enabled
873     * screen turned on and current app does not have sensor orientation, disable listeners if
874     * already enabled
875     * screen turning on and current app has sensor based orientation, enable listeners if needed
876     * screen turning on and current app has nosensor based orientation, do nothing
877     */
878    void updateOrientationListenerLp() {
879        if (!mOrientationListener.canDetectOrientation()) {
880            // If sensor is turned off or nonexistent for some reason
881            return;
882        }
883        // Could have been invoked due to screen turning on or off or
884        // change of the currently visible window's orientation.
885        if (localLOGV) Slog.v(TAG, "mScreenOnEarly=" + mScreenOnEarly
886                + ", mAwake=" + mAwake + ", mCurrentAppOrientation=" + mCurrentAppOrientation
887                + ", mOrientationSensorEnabled=" + mOrientationSensorEnabled
888                + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
889                + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
890        boolean disable = true;
891        // Note: We postpone the rotating of the screen until the keyguard as well as the
892        // window manager have reported a draw complete.
893        if (mScreenOnEarly && mAwake &&
894                mKeyguardDrawComplete && mWindowManagerDrawComplete) {
895            if (needSensorRunningLp()) {
896                disable = false;
897                //enable listener if not already enabled
898                if (!mOrientationSensorEnabled) {
899                    mOrientationListener.enable();
900                    if(localLOGV) Slog.v(TAG, "Enabling listeners");
901                    mOrientationSensorEnabled = true;
902                }
903            }
904        }
905        //check if sensors need to be disabled
906        if (disable && mOrientationSensorEnabled) {
907            mOrientationListener.disable();
908            if(localLOGV) Slog.v(TAG, "Disabling listeners");
909            mOrientationSensorEnabled = false;
910        }
911    }
912
913    private void interceptPowerKeyDown(KeyEvent event, boolean interactive) {
914        // Hold a wake lock until the power key is released.
915        if (!mPowerKeyWakeLock.isHeld()) {
916            mPowerKeyWakeLock.acquire();
917        }
918
919        // Cancel multi-press detection timeout.
920        if (mPowerKeyPressCounter != 0) {
921            mHandler.removeMessages(MSG_POWER_DELAYED_PRESS);
922        }
923
924        // Detect user pressing the power button in panic when an application has
925        // taken over the whole screen.
926        boolean panic = mImmersiveModeConfirmation.onPowerKeyDown(interactive,
927                SystemClock.elapsedRealtime(), isImmersiveMode(mLastSystemUiFlags));
928        if (panic) {
929            mHandler.post(mHiddenNavPanic);
930        }
931
932        // Latch power key state to detect screenshot chord.
933        if (interactive && !mScreenshotChordPowerKeyTriggered
934                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
935            mScreenshotChordPowerKeyTriggered = true;
936            mScreenshotChordPowerKeyTime = event.getDownTime();
937            interceptScreenshotChord();
938        }
939
940        // Stop ringing or end call if configured to do so when power is pressed.
941        TelecomManager telecomManager = getTelecommService();
942        boolean hungUp = false;
943        if (telecomManager != null) {
944            if (telecomManager.isRinging()) {
945                // Pressing Power while there's a ringing incoming
946                // call should silence the ringer.
947                telecomManager.silenceRinger();
948            } else if ((mIncallPowerBehavior
949                    & Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP) != 0
950                    && telecomManager.isInCall() && interactive) {
951                // Otherwise, if "Power button ends call" is enabled,
952                // the Power button will hang up any current active call.
953                hungUp = telecomManager.endCall();
954            }
955        }
956
957        GestureLauncherService gestureService = LocalServices.getService(
958                GestureLauncherService.class);
959        boolean gesturedServiceIntercepted = false;
960        if (gestureService != null) {
961            gesturedServiceIntercepted = gestureService.interceptPowerKeyDown(event, interactive);
962        }
963
964        // If the power key has still not yet been handled, then detect short
965        // press, long press, or multi press and decide what to do.
966        mPowerKeyHandled = hungUp || mScreenshotChordVolumeDownKeyTriggered
967                || mScreenshotChordVolumeUpKeyTriggered || gesturedServiceIntercepted;
968        if (!mPowerKeyHandled) {
969            if (interactive) {
970                // When interactive, we're already awake.
971                // Wait for a long press or for the button to be released to decide what to do.
972                if (hasLongPressOnPowerBehavior()) {
973                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
974                    msg.setAsynchronous(true);
975                    mHandler.sendMessageDelayed(msg,
976                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
977                }
978            } else {
979                wakeUpFromPowerKey(event.getDownTime());
980
981                if (mSupportLongPressPowerWhenNonInteractive && hasLongPressOnPowerBehavior()) {
982                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
983                    msg.setAsynchronous(true);
984                    mHandler.sendMessageDelayed(msg,
985                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
986                    mBeganFromNonInteractive = true;
987                } else {
988                    final int maxCount = getMaxMultiPressPowerCount();
989
990                    if (maxCount <= 1) {
991                        mPowerKeyHandled = true;
992                    } else {
993                        mBeganFromNonInteractive = true;
994                    }
995                }
996            }
997        }
998    }
999
1000    private void interceptPowerKeyUp(KeyEvent event, boolean interactive, boolean canceled) {
1001        final boolean handled = canceled || mPowerKeyHandled;
1002        mScreenshotChordPowerKeyTriggered = false;
1003        cancelPendingScreenshotChordAction();
1004        cancelPendingPowerKeyAction();
1005
1006        if (!handled) {
1007            // Figure out how to handle the key now that it has been released.
1008            mPowerKeyPressCounter += 1;
1009
1010            final int maxCount = getMaxMultiPressPowerCount();
1011            final long eventTime = event.getDownTime();
1012            if (mPowerKeyPressCounter < maxCount) {
1013                // This could be a multi-press.  Wait a little bit longer to confirm.
1014                // Continue holding the wake lock.
1015                Message msg = mHandler.obtainMessage(MSG_POWER_DELAYED_PRESS,
1016                        interactive ? 1 : 0, mPowerKeyPressCounter, eventTime);
1017                msg.setAsynchronous(true);
1018                mHandler.sendMessageDelayed(msg, ViewConfiguration.getDoubleTapTimeout());
1019                return;
1020            }
1021
1022            // No other actions.  Handle it immediately.
1023            powerPress(eventTime, interactive, mPowerKeyPressCounter);
1024        }
1025
1026        // Done.  Reset our state.
1027        finishPowerKeyPress();
1028    }
1029
1030    private void finishPowerKeyPress() {
1031        mBeganFromNonInteractive = false;
1032        mPowerKeyPressCounter = 0;
1033        if (mPowerKeyWakeLock.isHeld()) {
1034            mPowerKeyWakeLock.release();
1035        }
1036    }
1037
1038    private void cancelPendingPowerKeyAction() {
1039        if (!mPowerKeyHandled) {
1040            mPowerKeyHandled = true;
1041            mHandler.removeMessages(MSG_POWER_LONG_PRESS);
1042        }
1043    }
1044
1045    private void powerPress(long eventTime, boolean interactive, int count) {
1046        if (mScreenOnEarly && !mScreenOnFully) {
1047            Slog.i(TAG, "Suppressed redundant power key press while "
1048                    + "already in the process of turning the screen on.");
1049            return;
1050        }
1051
1052        if (count == 2) {
1053            powerMultiPressAction(eventTime, interactive, mDoublePressOnPowerBehavior);
1054        } else if (count == 3) {
1055            powerMultiPressAction(eventTime, interactive, mTriplePressOnPowerBehavior);
1056        } else if (interactive && !mBeganFromNonInteractive) {
1057            switch (mShortPressOnPowerBehavior) {
1058                case SHORT_PRESS_POWER_NOTHING:
1059                    break;
1060                case SHORT_PRESS_POWER_GO_TO_SLEEP:
1061                    mPowerManager.goToSleep(eventTime,
1062                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1063                    break;
1064                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP:
1065                    mPowerManager.goToSleep(eventTime,
1066                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1067                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1068                    break;
1069                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME:
1070                    mPowerManager.goToSleep(eventTime,
1071                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1072                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1073                    launchHomeFromHotKey();
1074                    break;
1075                case SHORT_PRESS_POWER_GO_HOME:
1076                    launchHomeFromHotKey(true /* awakenFromDreams */, false /*respectKeyguard*/);
1077                    break;
1078            }
1079        }
1080    }
1081
1082    private void powerMultiPressAction(long eventTime, boolean interactive, int behavior) {
1083        switch (behavior) {
1084            case MULTI_PRESS_POWER_NOTHING:
1085                break;
1086            case MULTI_PRESS_POWER_THEATER_MODE:
1087                if (!isUserSetupComplete()) {
1088                    Slog.i(TAG, "Ignoring toggling theater mode - device not setup.");
1089                    break;
1090                }
1091
1092                if (isTheaterModeEnabled()) {
1093                    Slog.i(TAG, "Toggling theater mode off.");
1094                    Settings.Global.putInt(mContext.getContentResolver(),
1095                            Settings.Global.THEATER_MODE_ON, 0);
1096                    if (!interactive) {
1097                        wakeUpFromPowerKey(eventTime);
1098                    }
1099                } else {
1100                    Slog.i(TAG, "Toggling theater mode on.");
1101                    Settings.Global.putInt(mContext.getContentResolver(),
1102                            Settings.Global.THEATER_MODE_ON, 1);
1103
1104                    if (mGoToSleepOnButtonPressTheaterMode && interactive) {
1105                        mPowerManager.goToSleep(eventTime,
1106                                PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1107                    }
1108                }
1109                break;
1110            case MULTI_PRESS_POWER_BRIGHTNESS_BOOST:
1111                Slog.i(TAG, "Starting brightness boost.");
1112                if (!interactive) {
1113                    wakeUpFromPowerKey(eventTime);
1114                }
1115                mPowerManager.boostScreenBrightness(eventTime);
1116                break;
1117        }
1118    }
1119
1120    private int getMaxMultiPressPowerCount() {
1121        if (mTriplePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1122            return 3;
1123        }
1124        if (mDoublePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1125            return 2;
1126        }
1127        return 1;
1128    }
1129
1130    private void powerLongPress() {
1131        final int behavior = getResolvedLongPressOnPowerBehavior();
1132        switch (behavior) {
1133        case LONG_PRESS_POWER_NOTHING:
1134            break;
1135        case LONG_PRESS_POWER_GLOBAL_ACTIONS:
1136            mPowerKeyHandled = true;
1137            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1138                performAuditoryFeedbackForAccessibilityIfNeed();
1139            }
1140            showGlobalActionsInternal();
1141            break;
1142        case LONG_PRESS_POWER_SHUT_OFF:
1143        case LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM:
1144            mPowerKeyHandled = true;
1145            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1146            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1147            mWindowManagerFuncs.shutdown(behavior == LONG_PRESS_POWER_SHUT_OFF);
1148            break;
1149        }
1150    }
1151
1152    private void sleepPress(long eventTime) {
1153        if (mShortPressOnSleepBehavior == SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME) {
1154            launchHomeFromHotKey(false /* awakenDreams */, true /*respectKeyguard*/);
1155        }
1156    }
1157
1158    private void sleepRelease(long eventTime) {
1159        switch (mShortPressOnSleepBehavior) {
1160            case SHORT_PRESS_SLEEP_GO_TO_SLEEP:
1161            case SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME:
1162                Slog.i(TAG, "sleepRelease() calling goToSleep(GO_TO_SLEEP_REASON_SLEEP_BUTTON)");
1163                mPowerManager.goToSleep(eventTime,
1164                       PowerManager.GO_TO_SLEEP_REASON_SLEEP_BUTTON, 0);
1165                break;
1166        }
1167    }
1168
1169    private int getResolvedLongPressOnPowerBehavior() {
1170        if (FactoryTest.isLongPressOnPowerOffEnabled()) {
1171            return LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;
1172        }
1173        return mLongPressOnPowerBehavior;
1174    }
1175
1176    private boolean hasLongPressOnPowerBehavior() {
1177        return getResolvedLongPressOnPowerBehavior() != LONG_PRESS_POWER_NOTHING;
1178    }
1179
1180    private void interceptScreenshotChord() {
1181        if (mScreenshotChordEnabled
1182                && mScreenshotChordVolumeDownKeyTriggered && mScreenshotChordPowerKeyTriggered
1183                && !mScreenshotChordVolumeUpKeyTriggered) {
1184            final long now = SystemClock.uptimeMillis();
1185            if (now <= mScreenshotChordVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS
1186                    && now <= mScreenshotChordPowerKeyTime
1187                            + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS) {
1188                mScreenshotChordVolumeDownKeyConsumed = true;
1189                cancelPendingPowerKeyAction();
1190
1191                mHandler.postDelayed(mScreenshotRunnable, getScreenshotChordLongPressDelay());
1192            }
1193        }
1194    }
1195
1196    private long getScreenshotChordLongPressDelay() {
1197        if (mKeyguardDelegate.isShowing()) {
1198            // Double the time it takes to take a screenshot from the keyguard
1199            return (long) (KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER *
1200                    ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1201        }
1202        return ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout();
1203    }
1204
1205    private void cancelPendingScreenshotChordAction() {
1206        mHandler.removeCallbacks(mScreenshotRunnable);
1207    }
1208
1209    private final Runnable mEndCallLongPress = new Runnable() {
1210        @Override
1211        public void run() {
1212            mEndCallKeyHandled = true;
1213            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1214                performAuditoryFeedbackForAccessibilityIfNeed();
1215            }
1216            showGlobalActionsInternal();
1217        }
1218    };
1219
1220    private final Runnable mScreenshotRunnable = new Runnable() {
1221        @Override
1222        public void run() {
1223            takeScreenshot();
1224        }
1225    };
1226
1227    @Override
1228    public void showGlobalActions() {
1229        mHandler.removeMessages(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1230        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1231    }
1232
1233    void showGlobalActionsInternal() {
1234        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1235        if (mGlobalActions == null) {
1236            mGlobalActions = new GlobalActions(mContext, mWindowManagerFuncs);
1237        }
1238        final boolean keyguardShowing = isKeyguardShowingAndNotOccluded();
1239        mGlobalActions.showDialog(keyguardShowing, isDeviceProvisioned());
1240        if (keyguardShowing) {
1241            // since it took two seconds of long press to bring this up,
1242            // poke the wake lock so they have some time to see the dialog.
1243            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
1244        }
1245    }
1246
1247    boolean isDeviceProvisioned() {
1248        return Settings.Global.getInt(
1249                mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0;
1250    }
1251
1252    boolean isUserSetupComplete() {
1253        return Settings.Secure.getIntForUser(mContext.getContentResolver(),
1254                Settings.Secure.USER_SETUP_COMPLETE, 0, UserHandle.USER_CURRENT) != 0;
1255    }
1256
1257    private void handleShortPressOnHome() {
1258        // Turn on the connected TV and switch HDMI input if we're a HDMI playback device.
1259        getHdmiControl().turnOnTv();
1260
1261        // If there's a dream running then use home to escape the dream
1262        // but don't actually go home.
1263        if (mDreamManagerInternal != null && mDreamManagerInternal.isDreaming()) {
1264            mDreamManagerInternal.stopDream(false /*immediate*/);
1265            return;
1266        }
1267
1268        // Go home!
1269        launchHomeFromHotKey();
1270    }
1271
1272    /**
1273     * Creates an accessor to HDMI control service that performs the operation of
1274     * turning on TV (optional) and switching input to us. If HDMI control service
1275     * is not available or we're not a HDMI playback device, the operation is no-op.
1276     */
1277    private HdmiControl getHdmiControl() {
1278        if (null == mHdmiControl) {
1279            HdmiControlManager manager = (HdmiControlManager) mContext.getSystemService(
1280                        Context.HDMI_CONTROL_SERVICE);
1281            HdmiPlaybackClient client = null;
1282            if (manager != null) {
1283                client = manager.getPlaybackClient();
1284            }
1285            mHdmiControl = new HdmiControl(client);
1286        }
1287        return mHdmiControl;
1288    }
1289
1290    private static class HdmiControl {
1291        private final HdmiPlaybackClient mClient;
1292
1293        private HdmiControl(HdmiPlaybackClient client) {
1294            mClient = client;
1295        }
1296
1297        public void turnOnTv() {
1298            if (mClient == null) {
1299                return;
1300            }
1301            mClient.oneTouchPlay(new OneTouchPlayCallback() {
1302                @Override
1303                public void onComplete(int result) {
1304                    if (result != HdmiControlManager.RESULT_SUCCESS) {
1305                        Log.w(TAG, "One touch play failed: " + result);
1306                    }
1307                }
1308            });
1309        }
1310    }
1311
1312    private void handleLongPressOnHome(int deviceId) {
1313        if (mLongPressOnHomeBehavior != LONG_PRESS_HOME_NOTHING) {
1314            mHomeConsumed = true;
1315            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1316
1317            if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI) {
1318                toggleRecentApps();
1319            } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_ASSIST) {
1320                launchAssistAction(null, deviceId);
1321            }
1322        }
1323    }
1324
1325    private void handleDoubleTapOnHome() {
1326        if (mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1327            mHomeConsumed = true;
1328            toggleRecentApps();
1329        }
1330    }
1331
1332    private final Runnable mHomeDoubleTapTimeoutRunnable = new Runnable() {
1333        @Override
1334        public void run() {
1335            if (mHomeDoubleTapPending) {
1336                mHomeDoubleTapPending = false;
1337                handleShortPressOnHome();
1338            }
1339        }
1340    };
1341
1342    private boolean isRoundWindow() {
1343        return mContext.getResources().getConfiguration().isScreenRound();
1344    }
1345
1346    /** {@inheritDoc} */
1347    @Override
1348    public void init(Context context, IWindowManager windowManager,
1349            WindowManagerFuncs windowManagerFuncs) {
1350        mContext = context;
1351        mWindowManager = windowManager;
1352        mWindowManagerFuncs = windowManagerFuncs;
1353        mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class);
1354        mActivityManagerInternal = LocalServices.getService(ActivityManagerInternal.class);
1355        mDreamManagerInternal = LocalServices.getService(DreamManagerInternal.class);
1356        mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class);
1357        mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
1358
1359        // Init display burn-in protection
1360        boolean burnInProtectionEnabled = context.getResources().getBoolean(
1361                com.android.internal.R.bool.config_enableBurnInProtection);
1362        // Allow a system property to override this. Used by developer settings.
1363        boolean burnInProtectionDevMode =
1364                SystemProperties.getBoolean("persist.debug.force_burn_in", false);
1365        if (burnInProtectionEnabled || burnInProtectionDevMode) {
1366            final int minHorizontal;
1367            final int maxHorizontal;
1368            final int minVertical;
1369            final int maxVertical;
1370            final int maxRadius;
1371            if (burnInProtectionDevMode) {
1372                minHorizontal = -8;
1373                maxHorizontal = 8;
1374                minVertical = -8;
1375                maxVertical = -4;
1376                maxRadius = (isRoundWindow()) ? 6 : -1;
1377            } else {
1378                Resources resources = context.getResources();
1379                minHorizontal = resources.getInteger(
1380                        com.android.internal.R.integer.config_burnInProtectionMinHorizontalOffset);
1381                maxHorizontal = resources.getInteger(
1382                        com.android.internal.R.integer.config_burnInProtectionMaxHorizontalOffset);
1383                minVertical = resources.getInteger(
1384                        com.android.internal.R.integer.config_burnInProtectionMinVerticalOffset);
1385                maxVertical = resources.getInteger(
1386                        com.android.internal.R.integer.config_burnInProtectionMaxVerticalOffset);
1387                maxRadius = resources.getInteger(
1388                        com.android.internal.R.integer.config_burnInProtectionMaxRadius);
1389            }
1390            mBurnInProtectionHelper = new BurnInProtectionHelper(
1391                    context, minHorizontal, maxHorizontal, minVertical, maxVertical, maxRadius);
1392        }
1393
1394        mHandler = new PolicyHandler();
1395        mWakeGestureListener = new MyWakeGestureListener(mContext, mHandler);
1396        mOrientationListener = new MyOrientationListener(mContext, mHandler);
1397        try {
1398            mOrientationListener.setCurrentRotation(windowManager.getRotation());
1399        } catch (RemoteException ex) { }
1400        mSettingsObserver = new SettingsObserver(mHandler);
1401        mSettingsObserver.observe();
1402        mShortcutManager = new ShortcutManager(context);
1403        mUiMode = context.getResources().getInteger(
1404                com.android.internal.R.integer.config_defaultUiModeType);
1405        mHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
1406        mHomeIntent.addCategory(Intent.CATEGORY_HOME);
1407        mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1408                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1409        mEnableCarDockHomeCapture = context.getResources().getBoolean(
1410                com.android.internal.R.bool.config_enableCarDockHomeLaunch);
1411        mCarDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1412        mCarDockIntent.addCategory(Intent.CATEGORY_CAR_DOCK);
1413        mCarDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1414                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1415        mDeskDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1416        mDeskDockIntent.addCategory(Intent.CATEGORY_DESK_DOCK);
1417        mDeskDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1418                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1419
1420        mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
1421        mBroadcastWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1422                "PhoneWindowManager.mBroadcastWakeLock");
1423        mPowerKeyWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1424                "PhoneWindowManager.mPowerKeyWakeLock");
1425        mEnableShiftMenuBugReports = "1".equals(SystemProperties.get("ro.debuggable"));
1426        mSupportAutoRotation = mContext.getResources().getBoolean(
1427                com.android.internal.R.bool.config_supportAutoRotation);
1428        mLidOpenRotation = readRotation(
1429                com.android.internal.R.integer.config_lidOpenRotation);
1430        mCarDockRotation = readRotation(
1431                com.android.internal.R.integer.config_carDockRotation);
1432        mDeskDockRotation = readRotation(
1433                com.android.internal.R.integer.config_deskDockRotation);
1434        mUndockedHdmiRotation = readRotation(
1435                com.android.internal.R.integer.config_undockedHdmiRotation);
1436        mCarDockEnablesAccelerometer = mContext.getResources().getBoolean(
1437                com.android.internal.R.bool.config_carDockEnablesAccelerometer);
1438        mDeskDockEnablesAccelerometer = mContext.getResources().getBoolean(
1439                com.android.internal.R.bool.config_deskDockEnablesAccelerometer);
1440        mLidKeyboardAccessibility = mContext.getResources().getInteger(
1441                com.android.internal.R.integer.config_lidKeyboardAccessibility);
1442        mLidNavigationAccessibility = mContext.getResources().getInteger(
1443                com.android.internal.R.integer.config_lidNavigationAccessibility);
1444        mLidControlsScreenLock = mContext.getResources().getBoolean(
1445                com.android.internal.R.bool.config_lidControlsScreenLock);
1446        mLidControlsSleep = mContext.getResources().getBoolean(
1447                com.android.internal.R.bool.config_lidControlsSleep);
1448        mTranslucentDecorEnabled = mContext.getResources().getBoolean(
1449                com.android.internal.R.bool.config_enableTranslucentDecor);
1450
1451        mAllowTheaterModeWakeFromKey = mContext.getResources().getBoolean(
1452                com.android.internal.R.bool.config_allowTheaterModeWakeFromKey);
1453        mAllowTheaterModeWakeFromPowerKey = mAllowTheaterModeWakeFromKey
1454                || mContext.getResources().getBoolean(
1455                    com.android.internal.R.bool.config_allowTheaterModeWakeFromPowerKey);
1456        mAllowTheaterModeWakeFromMotion = mContext.getResources().getBoolean(
1457                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotion);
1458        mAllowTheaterModeWakeFromMotionWhenNotDreaming = mContext.getResources().getBoolean(
1459                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotionWhenNotDreaming);
1460        mAllowTheaterModeWakeFromCameraLens = mContext.getResources().getBoolean(
1461                com.android.internal.R.bool.config_allowTheaterModeWakeFromCameraLens);
1462        mAllowTheaterModeWakeFromLidSwitch = mContext.getResources().getBoolean(
1463                com.android.internal.R.bool.config_allowTheaterModeWakeFromLidSwitch);
1464        mAllowTheaterModeWakeFromWakeGesture = mContext.getResources().getBoolean(
1465                com.android.internal.R.bool.config_allowTheaterModeWakeFromGesture);
1466
1467        mGoToSleepOnButtonPressTheaterMode = mContext.getResources().getBoolean(
1468                com.android.internal.R.bool.config_goToSleepOnButtonPressTheaterMode);
1469
1470        mSupportLongPressPowerWhenNonInteractive = mContext.getResources().getBoolean(
1471                com.android.internal.R.bool.config_supportLongPressPowerWhenNonInteractive);
1472
1473        mShortPressOnPowerBehavior = mContext.getResources().getInteger(
1474                com.android.internal.R.integer.config_shortPressOnPowerBehavior);
1475        mLongPressOnPowerBehavior = mContext.getResources().getInteger(
1476                com.android.internal.R.integer.config_longPressOnPowerBehavior);
1477        mDoublePressOnPowerBehavior = mContext.getResources().getInteger(
1478                com.android.internal.R.integer.config_doublePressOnPowerBehavior);
1479        mTriplePressOnPowerBehavior = mContext.getResources().getInteger(
1480                com.android.internal.R.integer.config_triplePressOnPowerBehavior);
1481        mShortPressOnSleepBehavior = mContext.getResources().getInteger(
1482                com.android.internal.R.integer.config_shortPressOnSleepBehavior);
1483
1484        mUseTvRouting = AudioSystem.getPlatformType(mContext) == AudioSystem.PLATFORM_TELEVISION;
1485
1486        readConfigurationDependentBehaviors();
1487
1488        mAccessibilityManager = (AccessibilityManager) context.getSystemService(
1489                Context.ACCESSIBILITY_SERVICE);
1490
1491        // register for dock events
1492        IntentFilter filter = new IntentFilter();
1493        filter.addAction(UiModeManager.ACTION_ENTER_CAR_MODE);
1494        filter.addAction(UiModeManager.ACTION_EXIT_CAR_MODE);
1495        filter.addAction(UiModeManager.ACTION_ENTER_DESK_MODE);
1496        filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
1497        filter.addAction(Intent.ACTION_DOCK_EVENT);
1498        Intent intent = context.registerReceiver(mDockReceiver, filter);
1499        if (intent != null) {
1500            // Retrieve current sticky dock event broadcast.
1501            mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
1502                    Intent.EXTRA_DOCK_STATE_UNDOCKED);
1503        }
1504
1505        // register for dream-related broadcasts
1506        filter = new IntentFilter();
1507        filter.addAction(Intent.ACTION_DREAMING_STARTED);
1508        filter.addAction(Intent.ACTION_DREAMING_STOPPED);
1509        context.registerReceiver(mDreamReceiver, filter);
1510
1511        // register for multiuser-relevant broadcasts
1512        filter = new IntentFilter(Intent.ACTION_USER_SWITCHED);
1513        context.registerReceiver(mMultiuserReceiver, filter);
1514
1515        // monitor for system gestures
1516        mSystemGestures = new SystemGesturesPointerEventListener(context,
1517                new SystemGesturesPointerEventListener.Callbacks() {
1518                    @Override
1519                    public void onSwipeFromTop() {
1520                        if (mStatusBar != null) {
1521                            requestTransientBars(mStatusBar);
1522                        }
1523                    }
1524                    @Override
1525                    public void onSwipeFromBottom() {
1526                        if (mNavigationBar != null && mNavigationBarOnBottom) {
1527                            requestTransientBars(mNavigationBar);
1528                        }
1529                    }
1530                    @Override
1531                    public void onSwipeFromRight() {
1532                        if (mNavigationBar != null && !mNavigationBarOnBottom) {
1533                            requestTransientBars(mNavigationBar);
1534                        }
1535                    }
1536                    @Override
1537                    public void onFling(int duration) {
1538                        if (mPowerManagerInternal != null) {
1539                            mPowerManagerInternal.powerHint(
1540                                    PowerManagerInternal.POWER_HINT_INTERACTION, duration);
1541                        }
1542                    }
1543                    @Override
1544                    public void onDebug() {
1545                        // no-op
1546                    }
1547                    @Override
1548                    public void onDown() {
1549                        mOrientationListener.onTouchStart();
1550                    }
1551                    @Override
1552                    public void onUpOrCancel() {
1553                        mOrientationListener.onTouchEnd();
1554                    }
1555                    @Override
1556                    public void onMouseHoverAtTop() {
1557                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1558                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
1559                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS;
1560                        mHandler.sendMessageDelayed(msg, 500);
1561                    }
1562                    @Override
1563                    public void onMouseHoverAtBottom() {
1564                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1565                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
1566                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION;
1567                        mHandler.sendMessageDelayed(msg, 500);
1568                    }
1569                    @Override
1570                    public void onMouseLeaveFromEdge() {
1571                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1572                    }
1573                });
1574        mImmersiveModeConfirmation = new ImmersiveModeConfirmation(mContext);
1575        mWindowManagerFuncs.registerPointerEventListener(mSystemGestures);
1576
1577        mVibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE);
1578        mLongPressVibePattern = getLongIntArray(mContext.getResources(),
1579                com.android.internal.R.array.config_longPressVibePattern);
1580        mVirtualKeyVibePattern = getLongIntArray(mContext.getResources(),
1581                com.android.internal.R.array.config_virtualKeyVibePattern);
1582        mKeyboardTapVibePattern = getLongIntArray(mContext.getResources(),
1583                com.android.internal.R.array.config_keyboardTapVibePattern);
1584        mClockTickVibePattern = getLongIntArray(mContext.getResources(),
1585                com.android.internal.R.array.config_clockTickVibePattern);
1586        mCalendarDateVibePattern = getLongIntArray(mContext.getResources(),
1587                com.android.internal.R.array.config_calendarDateVibePattern);
1588        mSafeModeDisabledVibePattern = getLongIntArray(mContext.getResources(),
1589                com.android.internal.R.array.config_safeModeDisabledVibePattern);
1590        mSafeModeEnabledVibePattern = getLongIntArray(mContext.getResources(),
1591                com.android.internal.R.array.config_safeModeEnabledVibePattern);
1592        mContextClickVibePattern = getLongIntArray(mContext.getResources(),
1593                com.android.internal.R.array.config_contextClickVibePattern);
1594
1595        mScreenshotChordEnabled = mContext.getResources().getBoolean(
1596                com.android.internal.R.bool.config_enableScreenshotChord);
1597        mForceWindowDrawsStatusBarBackground = mContext.getResources().getBoolean(
1598                R.bool.config_forceWindowDrawsStatusBarBackground);
1599
1600        mGlobalKeyManager = new GlobalKeyManager(mContext);
1601
1602        // Controls rotation and the like.
1603        initializeHdmiState();
1604
1605        // Match current screen state.
1606        if (!mPowerManager.isInteractive()) {
1607            startedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1608            finishedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1609        }
1610
1611        mWindowManagerInternal.registerAppTransitionListener(
1612                mStatusBarController.getAppTransitionListener());
1613    }
1614
1615    /**
1616     * Read values from config.xml that may be overridden depending on
1617     * the configuration of the device.
1618     * eg. Disable long press on home goes to recents on sw600dp.
1619     */
1620    private void readConfigurationDependentBehaviors() {
1621        mLongPressOnHomeBehavior = mContext.getResources().getInteger(
1622                com.android.internal.R.integer.config_longPressOnHomeBehavior);
1623        if (mLongPressOnHomeBehavior < LONG_PRESS_HOME_NOTHING ||
1624                mLongPressOnHomeBehavior > LONG_PRESS_HOME_ASSIST) {
1625            mLongPressOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1626        }
1627
1628        mDoubleTapOnHomeBehavior = mContext.getResources().getInteger(
1629                com.android.internal.R.integer.config_doubleTapOnHomeBehavior);
1630        if (mDoubleTapOnHomeBehavior < DOUBLE_TAP_HOME_NOTHING ||
1631                mDoubleTapOnHomeBehavior > DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1632            mDoubleTapOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1633        }
1634    }
1635
1636    @Override
1637    public void setInitialDisplaySize(Display display, int width, int height, int density) {
1638        // This method might be called before the policy has been fully initialized
1639        // or for other displays we don't care about.
1640        if (mContext == null || display.getDisplayId() != Display.DEFAULT_DISPLAY) {
1641            return;
1642        }
1643        mDisplay = display;
1644
1645        final Resources res = mContext.getResources();
1646        int shortSize, longSize;
1647        if (width > height) {
1648            shortSize = height;
1649            longSize = width;
1650            mLandscapeRotation = Surface.ROTATION_0;
1651            mSeascapeRotation = Surface.ROTATION_180;
1652            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1653                mPortraitRotation = Surface.ROTATION_90;
1654                mUpsideDownRotation = Surface.ROTATION_270;
1655            } else {
1656                mPortraitRotation = Surface.ROTATION_270;
1657                mUpsideDownRotation = Surface.ROTATION_90;
1658            }
1659        } else {
1660            shortSize = width;
1661            longSize = height;
1662            mPortraitRotation = Surface.ROTATION_0;
1663            mUpsideDownRotation = Surface.ROTATION_180;
1664            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1665                mLandscapeRotation = Surface.ROTATION_270;
1666                mSeascapeRotation = Surface.ROTATION_90;
1667            } else {
1668                mLandscapeRotation = Surface.ROTATION_90;
1669                mSeascapeRotation = Surface.ROTATION_270;
1670            }
1671        }
1672
1673        mStatusBarHeight =
1674                res.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
1675
1676        // Height of the navigation bar when presented horizontally at bottom
1677        mNavigationBarHeightForRotation[mPortraitRotation] =
1678        mNavigationBarHeightForRotation[mUpsideDownRotation] =
1679                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_height);
1680        mNavigationBarHeightForRotation[mLandscapeRotation] =
1681        mNavigationBarHeightForRotation[mSeascapeRotation] = res.getDimensionPixelSize(
1682                com.android.internal.R.dimen.navigation_bar_height_landscape);
1683
1684        // Width of the navigation bar when presented vertically along one side
1685        mNavigationBarWidthForRotation[mPortraitRotation] =
1686        mNavigationBarWidthForRotation[mUpsideDownRotation] =
1687        mNavigationBarWidthForRotation[mLandscapeRotation] =
1688        mNavigationBarWidthForRotation[mSeascapeRotation] =
1689                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_width);
1690
1691        // SystemUI (status bar) layout policy
1692        int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT / density;
1693        int longSizeDp = longSize * DisplayMetrics.DENSITY_DEFAULT / density;
1694
1695        // Allow the navigation bar to move on non-square small devices (phones).
1696        mNavigationBarCanMove = width != height && shortSizeDp < 600;
1697
1698        mHasNavigationBar = res.getBoolean(com.android.internal.R.bool.config_showNavigationBar);
1699        // Allow a system property to override this. Used by the emulator.
1700        // See also hasNavigationBar().
1701        String navBarOverride = SystemProperties.get("qemu.hw.mainkeys");
1702        if ("1".equals(navBarOverride)) {
1703            mHasNavigationBar = false;
1704        } else if ("0".equals(navBarOverride)) {
1705            mHasNavigationBar = true;
1706        }
1707
1708        // For demo purposes, allow the rotation of the HDMI display to be controlled.
1709        // By default, HDMI locks rotation to landscape.
1710        if ("portrait".equals(SystemProperties.get("persist.demo.hdmirotation"))) {
1711            mDemoHdmiRotation = mPortraitRotation;
1712        } else {
1713            mDemoHdmiRotation = mLandscapeRotation;
1714        }
1715        mDemoHdmiRotationLock = SystemProperties.getBoolean("persist.demo.hdmirotationlock", false);
1716
1717        // For demo purposes, allow the rotation of the remote display to be controlled.
1718        // By default, remote display locks rotation to landscape.
1719        if ("portrait".equals(SystemProperties.get("persist.demo.remoterotation"))) {
1720            mDemoRotation = mPortraitRotation;
1721        } else {
1722            mDemoRotation = mLandscapeRotation;
1723        }
1724        mDemoRotationLock = SystemProperties.getBoolean(
1725                "persist.demo.rotationlock", false);
1726
1727        // Only force the default orientation if the screen is xlarge, at least 960dp x 720dp, per
1728        // http://developer.android.com/guide/practices/screens_support.html#range
1729        mForceDefaultOrientation = longSizeDp >= 960 && shortSizeDp >= 720 &&
1730                res.getBoolean(com.android.internal.R.bool.config_forceDefaultOrientation) &&
1731                // For debug purposes the next line turns this feature off with:
1732                // $ adb shell setprop config.override_forced_orient true
1733                // $ adb shell wm size reset
1734                !"true".equals(SystemProperties.get("config.override_forced_orient"));
1735    }
1736
1737    /**
1738     * @return whether the navigation bar can be hidden, e.g. the device has a
1739     *         navigation bar and touch exploration is not enabled
1740     */
1741    private boolean canHideNavigationBar() {
1742        return mHasNavigationBar;
1743    }
1744
1745    @Override
1746    public boolean isDefaultOrientationForced() {
1747        return mForceDefaultOrientation;
1748    }
1749
1750    @Override
1751    public void setDisplayOverscan(Display display, int left, int top, int right, int bottom) {
1752        if (display.getDisplayId() == Display.DEFAULT_DISPLAY) {
1753            mOverscanLeft = left;
1754            mOverscanTop = top;
1755            mOverscanRight = right;
1756            mOverscanBottom = bottom;
1757        }
1758    }
1759
1760    public void updateSettings() {
1761        ContentResolver resolver = mContext.getContentResolver();
1762        boolean updateRotation = false;
1763        synchronized (mLock) {
1764            mEndcallBehavior = Settings.System.getIntForUser(resolver,
1765                    Settings.System.END_BUTTON_BEHAVIOR,
1766                    Settings.System.END_BUTTON_BEHAVIOR_DEFAULT,
1767                    UserHandle.USER_CURRENT);
1768            mIncallPowerBehavior = Settings.Secure.getIntForUser(resolver,
1769                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
1770                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT,
1771                    UserHandle.USER_CURRENT);
1772
1773            // Configure wake gesture.
1774            boolean wakeGestureEnabledSetting = Settings.Secure.getIntForUser(resolver,
1775                    Settings.Secure.WAKE_GESTURE_ENABLED, 0,
1776                    UserHandle.USER_CURRENT) != 0;
1777            if (mWakeGestureEnabledSetting != wakeGestureEnabledSetting) {
1778                mWakeGestureEnabledSetting = wakeGestureEnabledSetting;
1779                updateWakeGestureListenerLp();
1780            }
1781
1782            // Configure rotation lock.
1783            int userRotation = Settings.System.getIntForUser(resolver,
1784                    Settings.System.USER_ROTATION, Surface.ROTATION_0,
1785                    UserHandle.USER_CURRENT);
1786            if (mUserRotation != userRotation) {
1787                mUserRotation = userRotation;
1788                updateRotation = true;
1789            }
1790            int userRotationMode = Settings.System.getIntForUser(resolver,
1791                    Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
1792                            WindowManagerPolicy.USER_ROTATION_FREE :
1793                                    WindowManagerPolicy.USER_ROTATION_LOCKED;
1794            if (mUserRotationMode != userRotationMode) {
1795                mUserRotationMode = userRotationMode;
1796                updateRotation = true;
1797                updateOrientationListenerLp();
1798            }
1799
1800            if (mSystemReady) {
1801                int pointerLocation = Settings.System.getIntForUser(resolver,
1802                        Settings.System.POINTER_LOCATION, 0, UserHandle.USER_CURRENT);
1803                if (mPointerLocationMode != pointerLocation) {
1804                    mPointerLocationMode = pointerLocation;
1805                    mHandler.sendEmptyMessage(pointerLocation != 0 ?
1806                            MSG_ENABLE_POINTER_LOCATION : MSG_DISABLE_POINTER_LOCATION);
1807                }
1808            }
1809            // use screen off timeout setting as the timeout for the lockscreen
1810            mLockScreenTimeout = Settings.System.getIntForUser(resolver,
1811                    Settings.System.SCREEN_OFF_TIMEOUT, 0, UserHandle.USER_CURRENT);
1812            String imId = Settings.Secure.getStringForUser(resolver,
1813                    Settings.Secure.DEFAULT_INPUT_METHOD, UserHandle.USER_CURRENT);
1814            boolean hasSoftInput = imId != null && imId.length() > 0;
1815            if (mHasSoftInput != hasSoftInput) {
1816                mHasSoftInput = hasSoftInput;
1817                updateRotation = true;
1818            }
1819            if (mImmersiveModeConfirmation != null) {
1820                mImmersiveModeConfirmation.loadSetting(mCurrentUserId);
1821            }
1822        }
1823        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
1824            PolicyControl.reloadFromSetting(mContext);
1825        }
1826        if (updateRotation) {
1827            updateRotation(true);
1828        }
1829    }
1830
1831    private void updateWakeGestureListenerLp() {
1832        if (shouldEnableWakeGestureLp()) {
1833            mWakeGestureListener.requestWakeUpTrigger();
1834        } else {
1835            mWakeGestureListener.cancelWakeUpTrigger();
1836        }
1837    }
1838
1839    private boolean shouldEnableWakeGestureLp() {
1840        return mWakeGestureEnabledSetting && !mAwake
1841                && (!mLidControlsSleep || mLidState != LID_CLOSED)
1842                && mWakeGestureListener.isSupported();
1843    }
1844
1845    private void enablePointerLocation() {
1846        if (mPointerLocationView == null) {
1847            mPointerLocationView = new PointerLocationView(mContext);
1848            mPointerLocationView.setPrintCoords(false);
1849            WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
1850                    WindowManager.LayoutParams.MATCH_PARENT,
1851                    WindowManager.LayoutParams.MATCH_PARENT);
1852            lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
1853            lp.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN
1854                    | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
1855                    | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
1856                    | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
1857            if (ActivityManager.isHighEndGfx()) {
1858                lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
1859                lp.privateFlags |=
1860                        WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED;
1861            }
1862            lp.format = PixelFormat.TRANSLUCENT;
1863            lp.setTitle("PointerLocation");
1864            WindowManager wm = (WindowManager)
1865                    mContext.getSystemService(Context.WINDOW_SERVICE);
1866            lp.inputFeatures |= WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL;
1867            wm.addView(mPointerLocationView, lp);
1868            mWindowManagerFuncs.registerPointerEventListener(mPointerLocationView);
1869        }
1870    }
1871
1872    private void disablePointerLocation() {
1873        if (mPointerLocationView != null) {
1874            mWindowManagerFuncs.unregisterPointerEventListener(mPointerLocationView);
1875            WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
1876            wm.removeView(mPointerLocationView);
1877            mPointerLocationView = null;
1878        }
1879    }
1880
1881    private int readRotation(int resID) {
1882        try {
1883            int rotation = mContext.getResources().getInteger(resID);
1884            switch (rotation) {
1885                case 0:
1886                    return Surface.ROTATION_0;
1887                case 90:
1888                    return Surface.ROTATION_90;
1889                case 180:
1890                    return Surface.ROTATION_180;
1891                case 270:
1892                    return Surface.ROTATION_270;
1893            }
1894        } catch (Resources.NotFoundException e) {
1895            // fall through
1896        }
1897        return -1;
1898    }
1899
1900    /** {@inheritDoc} */
1901    @Override
1902    public int checkAddPermission(WindowManager.LayoutParams attrs, int[] outAppOp) {
1903        int type = attrs.type;
1904
1905        outAppOp[0] = AppOpsManager.OP_NONE;
1906
1907        if (!((type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW)
1908                || (type >= FIRST_SUB_WINDOW && type <= LAST_SUB_WINDOW)
1909                || (type >= FIRST_SYSTEM_WINDOW && type <= LAST_SYSTEM_WINDOW))) {
1910            return WindowManagerGlobal.ADD_INVALID_TYPE;
1911        }
1912
1913        if (type < FIRST_SYSTEM_WINDOW || type > LAST_SYSTEM_WINDOW) {
1914            // Window manager will make sure these are okay.
1915            return WindowManagerGlobal.ADD_OKAY;
1916        }
1917        String permission = null;
1918        switch (type) {
1919            case TYPE_TOAST:
1920                // XXX right now the app process has complete control over
1921                // this...  should introduce a token to let the system
1922                // monitor/control what they are doing.
1923                outAppOp[0] = AppOpsManager.OP_TOAST_WINDOW;
1924                break;
1925            case TYPE_DREAM:
1926            case TYPE_INPUT_METHOD:
1927            case TYPE_WALLPAPER:
1928            case TYPE_PRIVATE_PRESENTATION:
1929            case TYPE_VOICE_INTERACTION:
1930            case TYPE_ACCESSIBILITY_OVERLAY:
1931            case TYPE_QS_DIALOG:
1932                // The window manager will check these.
1933                break;
1934            case TYPE_PHONE:
1935            case TYPE_PRIORITY_PHONE:
1936            case TYPE_SYSTEM_ALERT:
1937            case TYPE_SYSTEM_ERROR:
1938            case TYPE_SYSTEM_OVERLAY:
1939                permission = android.Manifest.permission.SYSTEM_ALERT_WINDOW;
1940                outAppOp[0] = AppOpsManager.OP_SYSTEM_ALERT_WINDOW;
1941                break;
1942            default:
1943                permission = android.Manifest.permission.INTERNAL_SYSTEM_WINDOW;
1944        }
1945        if (permission != null) {
1946            if (permission == android.Manifest.permission.SYSTEM_ALERT_WINDOW) {
1947                final int callingUid = Binder.getCallingUid();
1948                // system processes will be automatically allowed privilege to draw
1949                if (callingUid == Process.SYSTEM_UID) {
1950                    return WindowManagerGlobal.ADD_OKAY;
1951                }
1952
1953                // check if user has enabled this operation. SecurityException will be thrown if
1954                // this app has not been allowed by the user
1955                final int mode = mAppOpsManager.checkOp(outAppOp[0], callingUid,
1956                        attrs.packageName);
1957                switch (mode) {
1958                    case AppOpsManager.MODE_ALLOWED:
1959                    case AppOpsManager.MODE_IGNORED:
1960                        // although we return ADD_OKAY for MODE_IGNORED, the added window will
1961                        // actually be hidden in WindowManagerService
1962                        return WindowManagerGlobal.ADD_OKAY;
1963                    case AppOpsManager.MODE_ERRORED:
1964                        return WindowManagerGlobal.ADD_PERMISSION_DENIED;
1965                    default:
1966                        // in the default mode, we will make a decision here based on
1967                        // checkCallingPermission()
1968                        if (mContext.checkCallingPermission(permission) !=
1969                                PackageManager.PERMISSION_GRANTED) {
1970                            return WindowManagerGlobal.ADD_PERMISSION_DENIED;
1971                        } else {
1972                            return WindowManagerGlobal.ADD_OKAY;
1973                        }
1974                }
1975            }
1976
1977            if (mContext.checkCallingOrSelfPermission(permission)
1978                    != PackageManager.PERMISSION_GRANTED) {
1979                return WindowManagerGlobal.ADD_PERMISSION_DENIED;
1980            }
1981        }
1982        return WindowManagerGlobal.ADD_OKAY;
1983    }
1984
1985    @Override
1986    public boolean checkShowToOwnerOnly(WindowManager.LayoutParams attrs) {
1987
1988        // If this switch statement is modified, modify the comment in the declarations of
1989        // the type in {@link WindowManager.LayoutParams} as well.
1990        switch (attrs.type) {
1991            default:
1992                // These are the windows that by default are shown only to the user that created
1993                // them. If this needs to be overridden, set
1994                // {@link WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS} in
1995                // {@link WindowManager.LayoutParams}. Note that permission
1996                // {@link android.Manifest.permission.INTERNAL_SYSTEM_WINDOW} is required as well.
1997                if ((attrs.privateFlags & PRIVATE_FLAG_SHOW_FOR_ALL_USERS) == 0) {
1998                    return true;
1999                }
2000                break;
2001
2002            // These are the windows that by default are shown to all users. However, to
2003            // protect against spoofing, check permissions below.
2004            case TYPE_APPLICATION_STARTING:
2005            case TYPE_BOOT_PROGRESS:
2006            case TYPE_DISPLAY_OVERLAY:
2007            case TYPE_INPUT_CONSUMER:
2008            case TYPE_KEYGUARD_SCRIM:
2009            case TYPE_KEYGUARD_DIALOG:
2010            case TYPE_MAGNIFICATION_OVERLAY:
2011            case TYPE_NAVIGATION_BAR:
2012            case TYPE_NAVIGATION_BAR_PANEL:
2013            case TYPE_PHONE:
2014            case TYPE_POINTER:
2015            case TYPE_PRIORITY_PHONE:
2016            case TYPE_SEARCH_BAR:
2017            case TYPE_STATUS_BAR:
2018            case TYPE_STATUS_BAR_PANEL:
2019            case TYPE_STATUS_BAR_SUB_PANEL:
2020            case TYPE_SYSTEM_DIALOG:
2021            case TYPE_VOLUME_OVERLAY:
2022            case TYPE_PRIVATE_PRESENTATION:
2023            case TYPE_DOCK_DIVIDER:
2024                break;
2025        }
2026
2027        // Check if third party app has set window to system window type.
2028        return mContext.checkCallingOrSelfPermission(
2029                android.Manifest.permission.INTERNAL_SYSTEM_WINDOW)
2030                        != PackageManager.PERMISSION_GRANTED;
2031    }
2032
2033    @Override
2034    public void adjustWindowParamsLw(WindowManager.LayoutParams attrs) {
2035        switch (attrs.type) {
2036            case TYPE_SYSTEM_OVERLAY:
2037            case TYPE_SECURE_SYSTEM_OVERLAY:
2038                // These types of windows can't receive input events.
2039                attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
2040                        | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
2041                attrs.flags &= ~WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
2042                break;
2043            case TYPE_STATUS_BAR:
2044
2045                // If the Keyguard is in a hidden state (occluded by another window), we force to
2046                // remove the wallpaper and keyguard flag so that any change in-flight after setting
2047                // the keyguard as occluded wouldn't set these flags again.
2048                // See {@link #processKeyguardSetHiddenResultLw}.
2049                if (mKeyguardHidden) {
2050                    attrs.flags &= ~WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
2051                    attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2052                }
2053                break;
2054        }
2055
2056        if (attrs.type != TYPE_STATUS_BAR) {
2057            // The status bar is the only window allowed to exhibit keyguard behavior.
2058            attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2059        }
2060
2061        if (ActivityManager.isHighEndGfx()) {
2062            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0) {
2063                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
2064            }
2065            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0
2066                    || (mForceWindowDrawsStatusBarBackground
2067                            && attrs.height == MATCH_PARENT && attrs.width == MATCH_PARENT)) {
2068                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
2069            }
2070        }
2071    }
2072
2073    void readLidState() {
2074        mLidState = mWindowManagerFuncs.getLidState();
2075    }
2076
2077    private void readCameraLensCoverState() {
2078        mCameraLensCoverState = mWindowManagerFuncs.getCameraLensCoverState();
2079    }
2080
2081    private boolean isHidden(int accessibilityMode) {
2082        switch (accessibilityMode) {
2083            case 1:
2084                return mLidState == LID_CLOSED;
2085            case 2:
2086                return mLidState == LID_OPEN;
2087            default:
2088                return false;
2089        }
2090    }
2091
2092    /** {@inheritDoc} */
2093    @Override
2094    public void adjustConfigurationLw(Configuration config, int keyboardPresence,
2095            int navigationPresence) {
2096        mHaveBuiltInKeyboard = (keyboardPresence & PRESENCE_INTERNAL) != 0;
2097
2098        readConfigurationDependentBehaviors();
2099        readLidState();
2100        applyLidSwitchState();
2101
2102        if (config.keyboard == Configuration.KEYBOARD_NOKEYS
2103                || (keyboardPresence == PRESENCE_INTERNAL
2104                        && isHidden(mLidKeyboardAccessibility))) {
2105            config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_YES;
2106            if (!mHasSoftInput) {
2107                config.keyboardHidden = Configuration.KEYBOARDHIDDEN_YES;
2108            }
2109        }
2110
2111        if (config.navigation == Configuration.NAVIGATION_NONAV
2112                || (navigationPresence == PRESENCE_INTERNAL
2113                        && isHidden(mLidNavigationAccessibility))) {
2114            config.navigationHidden = Configuration.NAVIGATIONHIDDEN_YES;
2115        }
2116    }
2117
2118    /** {@inheritDoc} */
2119    @Override
2120    public int windowTypeToLayerLw(int type) {
2121        if (type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW) {
2122            return 2;
2123        }
2124        switch (type) {
2125        case TYPE_PRIVATE_PRESENTATION:
2126            return 2;
2127        case TYPE_WALLPAPER:
2128            // wallpaper is at the bottom, though the window manager may move it.
2129            return 2;
2130        case TYPE_DOCK_DIVIDER:
2131            return 2;
2132        case TYPE_QS_DIALOG:
2133            return 2;
2134        case TYPE_PHONE:
2135            return 3;
2136        case TYPE_SEARCH_BAR:
2137        case TYPE_VOICE_INTERACTION_STARTING:
2138            return 4;
2139        case TYPE_VOICE_INTERACTION:
2140            // voice interaction layer is almost immediately above apps.
2141            return 5;
2142        case TYPE_INPUT_CONSUMER:
2143            return 6;
2144        case TYPE_SYSTEM_DIALOG:
2145            return 7;
2146        case TYPE_TOAST:
2147            // toasts and the plugged-in battery thing
2148            return 8;
2149        case TYPE_PRIORITY_PHONE:
2150            // SIM errors and unlock.  Not sure if this really should be in a high layer.
2151            return 9;
2152        case TYPE_DREAM:
2153            // used for Dreams (screensavers with TYPE_DREAM windows)
2154            return 10;
2155        case TYPE_SYSTEM_ALERT:
2156            // like the ANR / app crashed dialogs
2157            return 11;
2158        case TYPE_INPUT_METHOD:
2159            // on-screen keyboards and other such input method user interfaces go here.
2160            return 12;
2161        case TYPE_INPUT_METHOD_DIALOG:
2162            // on-screen keyboards and other such input method user interfaces go here.
2163            return 13;
2164        case TYPE_KEYGUARD_SCRIM:
2165            // the safety window that shows behind keyguard while keyguard is starting
2166            return 14;
2167        case TYPE_STATUS_BAR_SUB_PANEL:
2168            return 15;
2169        case TYPE_STATUS_BAR:
2170            return 16;
2171        case TYPE_STATUS_BAR_PANEL:
2172            return 17;
2173        case TYPE_KEYGUARD_DIALOG:
2174            return 18;
2175        case TYPE_VOLUME_OVERLAY:
2176            // the on-screen volume indicator and controller shown when the user
2177            // changes the device volume
2178            return 19;
2179        case TYPE_SYSTEM_OVERLAY:
2180            // the on-screen volume indicator and controller shown when the user
2181            // changes the device volume
2182            return 20;
2183        case TYPE_NAVIGATION_BAR:
2184            // the navigation bar, if available, shows atop most things
2185            return 21;
2186        case TYPE_NAVIGATION_BAR_PANEL:
2187            // some panels (e.g. search) need to show on top of the navigation bar
2188            return 22;
2189        case TYPE_SYSTEM_ERROR:
2190            // system-level error dialogs
2191            return 23;
2192        case TYPE_MAGNIFICATION_OVERLAY:
2193            // used to highlight the magnified portion of a display
2194            return 24;
2195        case TYPE_DISPLAY_OVERLAY:
2196            // used to simulate secondary display devices
2197            return 25;
2198        case TYPE_DRAG:
2199            // the drag layer: input for drag-and-drop is associated with this window,
2200            // which sits above all other focusable windows
2201            return 26;
2202        case TYPE_ACCESSIBILITY_OVERLAY:
2203            // overlay put by accessibility services to intercept user interaction
2204            return 27;
2205        case TYPE_SECURE_SYSTEM_OVERLAY:
2206            return 28;
2207        case TYPE_BOOT_PROGRESS:
2208            return 29;
2209        case TYPE_POINTER:
2210            // the (mouse) pointer layer
2211            return 30;
2212        }
2213        Log.e(TAG, "Unknown window type: " + type);
2214        return 2;
2215    }
2216
2217    /** {@inheritDoc} */
2218    @Override
2219    public int subWindowTypeToLayerLw(int type) {
2220        switch (type) {
2221        case TYPE_APPLICATION_PANEL:
2222        case TYPE_APPLICATION_ATTACHED_DIALOG:
2223            return APPLICATION_PANEL_SUBLAYER;
2224        case TYPE_APPLICATION_MEDIA:
2225            return APPLICATION_MEDIA_SUBLAYER;
2226        case TYPE_APPLICATION_MEDIA_OVERLAY:
2227            return APPLICATION_MEDIA_OVERLAY_SUBLAYER;
2228        case TYPE_APPLICATION_SUB_PANEL:
2229            return APPLICATION_SUB_PANEL_SUBLAYER;
2230        case TYPE_APPLICATION_ABOVE_SUB_PANEL:
2231            return APPLICATION_ABOVE_SUB_PANEL_SUBLAYER;
2232        }
2233        Log.e(TAG, "Unknown sub-window type: " + type);
2234        return 0;
2235    }
2236
2237    @Override
2238    public int getMaxWallpaperLayer() {
2239        return windowTypeToLayerLw(TYPE_STATUS_BAR);
2240    }
2241
2242    @Override
2243    public int getNonDecorDisplayWidth(int fullWidth, int fullHeight, int rotation) {
2244        if (mHasNavigationBar) {
2245            // For a basic navigation bar, when we are in landscape mode we place
2246            // the navigation bar to the side.
2247            if (mNavigationBarCanMove && fullWidth > fullHeight) {
2248                return fullWidth - mNavigationBarWidthForRotation[rotation];
2249            }
2250        }
2251        return fullWidth;
2252    }
2253
2254    @Override
2255    public int getNonDecorDisplayHeight(int fullWidth, int fullHeight, int rotation) {
2256        if (mHasNavigationBar) {
2257            // For a basic navigation bar, when we are in portrait mode we place
2258            // the navigation bar to the bottom.
2259            if (!mNavigationBarCanMove || fullWidth < fullHeight) {
2260                return fullHeight - mNavigationBarHeightForRotation[rotation];
2261            }
2262        }
2263        return fullHeight;
2264    }
2265
2266    @Override
2267    public int getConfigDisplayWidth(int fullWidth, int fullHeight, int rotation) {
2268        return getNonDecorDisplayWidth(fullWidth, fullHeight, rotation);
2269    }
2270
2271    @Override
2272    public int getConfigDisplayHeight(int fullWidth, int fullHeight, int rotation) {
2273        // There is a separate status bar at the top of the display.  We don't count that as part
2274        // of the fixed decor, since it can hide; however, for purposes of configurations,
2275        // we do want to exclude it since applications can't generally use that part
2276        // of the screen.
2277        return getNonDecorDisplayHeight(fullWidth, fullHeight, rotation) - mStatusBarHeight;
2278    }
2279
2280    @Override
2281    public boolean isForceHiding(WindowManager.LayoutParams attrs) {
2282        return (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 ||
2283                (isKeyguardHostWindow(attrs) &&
2284                        (mKeyguardDelegate != null && mKeyguardDelegate.isShowing())) ||
2285                (attrs.type == TYPE_KEYGUARD_SCRIM);
2286    }
2287
2288    @Override
2289    public boolean isKeyguardHostWindow(WindowManager.LayoutParams attrs) {
2290        return attrs.type == TYPE_STATUS_BAR;
2291    }
2292
2293    @Override
2294    public boolean canBeForceHidden(WindowState win, WindowManager.LayoutParams attrs) {
2295        switch (attrs.type) {
2296            case TYPE_STATUS_BAR:
2297            case TYPE_NAVIGATION_BAR:
2298            case TYPE_WALLPAPER:
2299            case TYPE_DREAM:
2300            case TYPE_KEYGUARD_SCRIM:
2301            case TYPE_DOCK_DIVIDER:
2302                return false;
2303            default:
2304                // Hide only windows below the keyguard host window.
2305                return windowTypeToLayerLw(win.getBaseType())
2306                        < windowTypeToLayerLw(TYPE_STATUS_BAR);
2307        }
2308    }
2309
2310    @Override
2311    public WindowState getWinShowWhenLockedLw() {
2312        return mWinShowWhenLocked;
2313    }
2314
2315    /** {@inheritDoc} */
2316    @Override
2317    public View addStartingWindow(IBinder appToken, String packageName, int theme,
2318            CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes,
2319            int icon, int logo, int windowFlags) {
2320        if (!SHOW_STARTING_ANIMATIONS) {
2321            return null;
2322        }
2323        if (packageName == null) {
2324            return null;
2325        }
2326
2327        WindowManager wm = null;
2328        View view = null;
2329
2330        try {
2331            Context context = mContext;
2332            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow " + packageName
2333                    + ": nonLocalizedLabel=" + nonLocalizedLabel + " theme="
2334                    + Integer.toHexString(theme));
2335            if (theme != context.getThemeResId() || labelRes != 0) {
2336                try {
2337                    context = context.createPackageContext(packageName, 0);
2338                    context.setTheme(theme);
2339                } catch (PackageManager.NameNotFoundException e) {
2340                    // Ignore
2341                }
2342            }
2343
2344            PhoneWindow win = new PhoneWindow(context);
2345            win.setIsStartingWindow(true);
2346
2347            Resources r = context.getResources();
2348            win.setTitle(r.getText(labelRes, nonLocalizedLabel));
2349
2350            win.setType(
2351                WindowManager.LayoutParams.TYPE_APPLICATION_STARTING);
2352
2353            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
2354                // Assumes it's safe to show starting windows of launched apps while
2355                // the keyguard is being hidden. This is okay because starting windows never show
2356                // secret information.
2357                if (mKeyguardHidden) {
2358                    windowFlags |= FLAG_SHOW_WHEN_LOCKED;
2359                }
2360            }
2361
2362            // Force the window flags: this is a fake window, so it is not really
2363            // touchable or focusable by the user.  We also add in the ALT_FOCUSABLE_IM
2364            // flag because we do know that the next window will take input
2365            // focus, so we want to get the IME window up on top of us right away.
2366            win.setFlags(
2367                windowFlags|
2368                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2369                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2370                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
2371                windowFlags|
2372                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2373                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2374                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
2375
2376            win.setDefaultIcon(icon);
2377            win.setDefaultLogo(logo);
2378
2379            win.setLayout(WindowManager.LayoutParams.MATCH_PARENT,
2380                    WindowManager.LayoutParams.MATCH_PARENT);
2381
2382            final WindowManager.LayoutParams params = win.getAttributes();
2383            params.token = appToken;
2384            params.packageName = packageName;
2385            params.windowAnimations = win.getWindowStyle().getResourceId(
2386                    com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
2387            params.privateFlags |=
2388                    WindowManager.LayoutParams.PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED;
2389            params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
2390
2391            if (!compatInfo.supportsScreen()) {
2392                params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW;
2393            }
2394
2395            params.setTitle("Starting " + packageName);
2396
2397            wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
2398            view = win.getDecorView();
2399
2400            if (DEBUG_STARTING_WINDOW) Slog.d(
2401                TAG, "Adding starting window for " + packageName
2402                + " / " + appToken + ": "
2403                + (view.getParent() != null ? view : null));
2404
2405            wm.addView(view, params);
2406
2407            // Only return the view if it was successfully added to the
2408            // window manager... which we can tell by it having a parent.
2409            return view.getParent() != null ? view : null;
2410        } catch (WindowManager.BadTokenException e) {
2411            // ignore
2412            Log.w(TAG, appToken + " already running, starting window not displayed. " +
2413                    e.getMessage());
2414        } catch (RuntimeException e) {
2415            // don't crash if something else bad happens, for example a
2416            // failure loading resources because we are loading from an app
2417            // on external storage that has been unmounted.
2418            Log.w(TAG, appToken + " failed creating starting window", e);
2419        } finally {
2420            if (view != null && view.getParent() == null) {
2421                Log.w(TAG, "view not successfully added to wm, removing view");
2422                wm.removeViewImmediate(view);
2423            }
2424        }
2425
2426        return null;
2427    }
2428
2429    /** {@inheritDoc} */
2430    @Override
2431    public void removeStartingWindow(IBinder appToken, View window) {
2432        if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Removing starting window for " + appToken + ": "
2433                + window + " Callers=" + Debug.getCallers(4));
2434
2435        if (window != null) {
2436            WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
2437            wm.removeView(window);
2438        }
2439    }
2440
2441    /**
2442     * Preflight adding a window to the system.
2443     *
2444     * Currently enforces that three window types are singletons:
2445     * <ul>
2446     * <li>STATUS_BAR_TYPE</li>
2447     * <li>KEYGUARD_TYPE</li>
2448     * </ul>
2449     *
2450     * @param win The window to be added
2451     * @param attrs Information about the window to be added
2452     *
2453     * @return If ok, WindowManagerImpl.ADD_OKAY.  If too many singletons,
2454     * WindowManagerImpl.ADD_MULTIPLE_SINGLETON
2455     */
2456    @Override
2457    public int prepareAddWindowLw(WindowState win, WindowManager.LayoutParams attrs) {
2458        switch (attrs.type) {
2459            case TYPE_STATUS_BAR:
2460                mContext.enforceCallingOrSelfPermission(
2461                        android.Manifest.permission.STATUS_BAR_SERVICE,
2462                        "PhoneWindowManager");
2463                if (mStatusBar != null) {
2464                    if (mStatusBar.isAlive()) {
2465                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2466                    }
2467                }
2468                mStatusBar = win;
2469                mStatusBarController.setWindow(win);
2470                break;
2471            case TYPE_NAVIGATION_BAR:
2472                mContext.enforceCallingOrSelfPermission(
2473                        android.Manifest.permission.STATUS_BAR_SERVICE,
2474                        "PhoneWindowManager");
2475                if (mNavigationBar != null) {
2476                    if (mNavigationBar.isAlive()) {
2477                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2478                    }
2479                }
2480                mNavigationBar = win;
2481                mNavigationBarController.setWindow(win);
2482                if (DEBUG_LAYOUT) Slog.i(TAG, "NAVIGATION BAR: " + mNavigationBar);
2483                break;
2484            case TYPE_NAVIGATION_BAR_PANEL:
2485            case TYPE_STATUS_BAR_PANEL:
2486            case TYPE_STATUS_BAR_SUB_PANEL:
2487            case TYPE_VOICE_INTERACTION_STARTING:
2488                mContext.enforceCallingOrSelfPermission(
2489                        android.Manifest.permission.STATUS_BAR_SERVICE,
2490                        "PhoneWindowManager");
2491                break;
2492            case TYPE_KEYGUARD_SCRIM:
2493                if (mKeyguardScrim != null) {
2494                    return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2495                }
2496                mKeyguardScrim = win;
2497                break;
2498        }
2499        return WindowManagerGlobal.ADD_OKAY;
2500    }
2501
2502    /** {@inheritDoc} */
2503    @Override
2504    public void removeWindowLw(WindowState win) {
2505        if (mStatusBar == win) {
2506            mStatusBar = null;
2507            mStatusBarController.setWindow(null);
2508            mKeyguardDelegate.showScrim();
2509        } else if (mKeyguardScrim == win) {
2510            Log.v(TAG, "Removing keyguard scrim");
2511            mKeyguardScrim = null;
2512        } if (mNavigationBar == win) {
2513            mNavigationBar = null;
2514            mNavigationBarController.setWindow(null);
2515        }
2516    }
2517
2518    static final boolean PRINT_ANIM = false;
2519
2520    /** {@inheritDoc} */
2521    @Override
2522    public int selectAnimationLw(WindowState win, int transit) {
2523        if (PRINT_ANIM) Log.i(TAG, "selectAnimation in " + win
2524              + ": transit=" + transit);
2525        if (win == mStatusBar) {
2526            boolean isKeyguard = (win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
2527            if (transit == TRANSIT_EXIT
2528                    || transit == TRANSIT_HIDE) {
2529                return isKeyguard ? -1 : R.anim.dock_top_exit;
2530            } else if (transit == TRANSIT_ENTER
2531                    || transit == TRANSIT_SHOW) {
2532                return isKeyguard ? -1 : R.anim.dock_top_enter;
2533            }
2534        } else if (win == mNavigationBar) {
2535            if (win.getAttrs().windowAnimations != 0) {
2536                return 0;
2537            }
2538            // This can be on either the bottom or the right.
2539            if (mNavigationBarOnBottom) {
2540                if (transit == TRANSIT_EXIT
2541                        || transit == TRANSIT_HIDE) {
2542                    return R.anim.dock_bottom_exit;
2543                } else if (transit == TRANSIT_ENTER
2544                        || transit == TRANSIT_SHOW) {
2545                    return R.anim.dock_bottom_enter;
2546                }
2547            } else {
2548                if (transit == TRANSIT_EXIT
2549                        || transit == TRANSIT_HIDE) {
2550                    return R.anim.dock_right_exit;
2551                } else if (transit == TRANSIT_ENTER
2552                        || transit == TRANSIT_SHOW) {
2553                    return R.anim.dock_right_enter;
2554                }
2555            }
2556        } else if (win.getAttrs().type == TYPE_DOCK_DIVIDER) {
2557            if (transit == TRANSIT_ENTER || transit == TRANSIT_SHOW) {
2558                return R.anim.fade_in;
2559            } else if (transit == TRANSIT_EXIT) {
2560                return R.anim.fade_out;
2561            }
2562        }
2563
2564        if (transit == TRANSIT_PREVIEW_DONE) {
2565            if (win.hasAppShownWindows()) {
2566                if (PRINT_ANIM) Log.i(TAG, "**** STARTING EXIT");
2567                return com.android.internal.R.anim.app_starting_exit;
2568            }
2569        } else if (win.getAttrs().type == TYPE_DREAM && mDreamingLockscreen
2570                && transit == TRANSIT_ENTER) {
2571            // Special case: we are animating in a dream, while the keyguard
2572            // is shown.  We don't want an animation on the dream, because
2573            // we need it shown immediately with the keyguard animating away
2574            // to reveal it.
2575            return -1;
2576        }
2577
2578        return 0;
2579    }
2580
2581    @Override
2582    public void selectRotationAnimationLw(int anim[]) {
2583        if (PRINT_ANIM) Slog.i(TAG, "selectRotationAnimation mTopFullscreen="
2584                + mTopFullscreenOpaqueWindowState + " rotationAnimation="
2585                + (mTopFullscreenOpaqueWindowState == null ?
2586                        "0" : mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation));
2587        if (mTopFullscreenOpaqueWindowState != null && mTopIsFullscreen) {
2588            switch (mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation) {
2589                case ROTATION_ANIMATION_CROSSFADE:
2590                    anim[0] = R.anim.rotation_animation_xfade_exit;
2591                    anim[1] = R.anim.rotation_animation_enter;
2592                    break;
2593                case ROTATION_ANIMATION_JUMPCUT:
2594                    anim[0] = R.anim.rotation_animation_jump_exit;
2595                    anim[1] = R.anim.rotation_animation_enter;
2596                    break;
2597                case ROTATION_ANIMATION_ROTATE:
2598                default:
2599                    anim[0] = anim[1] = 0;
2600                    break;
2601            }
2602        } else {
2603            anim[0] = anim[1] = 0;
2604        }
2605    }
2606
2607    @Override
2608    public boolean validateRotationAnimationLw(int exitAnimId, int enterAnimId,
2609            boolean forceDefault) {
2610        switch (exitAnimId) {
2611            case R.anim.rotation_animation_xfade_exit:
2612            case R.anim.rotation_animation_jump_exit:
2613                // These are the only cases that matter.
2614                if (forceDefault) {
2615                    return false;
2616                }
2617                int anim[] = new int[2];
2618                selectRotationAnimationLw(anim);
2619                return (exitAnimId == anim[0] && enterAnimId == anim[1]);
2620            default:
2621                return true;
2622        }
2623    }
2624
2625    @Override
2626    public Animation createForceHideEnterAnimation(boolean onWallpaper,
2627            boolean goingToNotificationShade) {
2628        if (goingToNotificationShade) {
2629            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_behind_enter_fade_in);
2630        }
2631
2632        AnimationSet set = (AnimationSet) AnimationUtils.loadAnimation(mContext, onWallpaper ?
2633                    R.anim.lock_screen_behind_enter_wallpaper :
2634                    R.anim.lock_screen_behind_enter);
2635
2636        // TODO: Use XML interpolators when we have log interpolators available in XML.
2637        final List<Animation> animations = set.getAnimations();
2638        for (int i = animations.size() - 1; i >= 0; --i) {
2639            animations.get(i).setInterpolator(mLogDecelerateInterpolator);
2640        }
2641
2642        return set;
2643    }
2644
2645
2646    @Override
2647    public Animation createForceHideWallpaperExitAnimation(boolean goingToNotificationShade) {
2648        if (goingToNotificationShade) {
2649            return null;
2650        } else {
2651            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_wallpaper_exit);
2652        }
2653    }
2654
2655    private static void awakenDreams() {
2656        IDreamManager dreamManager = getDreamManager();
2657        if (dreamManager != null) {
2658            try {
2659                dreamManager.awaken();
2660            } catch (RemoteException e) {
2661                // fine, stay asleep then
2662            }
2663        }
2664    }
2665
2666    static IDreamManager getDreamManager() {
2667        return IDreamManager.Stub.asInterface(
2668                ServiceManager.checkService(DreamService.DREAM_SERVICE));
2669    }
2670
2671    TelecomManager getTelecommService() {
2672        return (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE);
2673    }
2674
2675    static IAudioService getAudioService() {
2676        IAudioService audioService = IAudioService.Stub.asInterface(
2677                ServiceManager.checkService(Context.AUDIO_SERVICE));
2678        if (audioService == null) {
2679            Log.w(TAG, "Unable to find IAudioService interface.");
2680        }
2681        return audioService;
2682    }
2683
2684    boolean keyguardOn() {
2685        return isKeyguardShowingAndNotOccluded() || inKeyguardRestrictedKeyInputMode();
2686    }
2687
2688    private static final int[] WINDOW_TYPES_WHERE_HOME_DOESNT_WORK = {
2689            WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
2690            WindowManager.LayoutParams.TYPE_SYSTEM_ERROR,
2691        };
2692
2693    /** {@inheritDoc} */
2694    @Override
2695    public long interceptKeyBeforeDispatching(WindowState win, KeyEvent event, int policyFlags) {
2696        final boolean keyguardOn = keyguardOn();
2697        final int keyCode = event.getKeyCode();
2698        final int repeatCount = event.getRepeatCount();
2699        final int metaState = event.getMetaState();
2700        final int flags = event.getFlags();
2701        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
2702        final boolean canceled = event.isCanceled();
2703
2704        if (DEBUG_INPUT) {
2705            Log.d(TAG, "interceptKeyTi keyCode=" + keyCode + " down=" + down + " repeatCount="
2706                    + repeatCount + " keyguardOn=" + keyguardOn + " mHomePressed=" + mHomePressed
2707                    + " canceled=" + canceled);
2708        }
2709
2710        // If we think we might have a volume down & power key chord on the way
2711        // but we're not sure, then tell the dispatcher to wait a little while and
2712        // try again later before dispatching.
2713        if (mScreenshotChordEnabled && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
2714            if (mScreenshotChordVolumeDownKeyTriggered && !mScreenshotChordPowerKeyTriggered) {
2715                final long now = SystemClock.uptimeMillis();
2716                final long timeoutTime = mScreenshotChordVolumeDownKeyTime
2717                        + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
2718                if (now < timeoutTime) {
2719                    return timeoutTime - now;
2720                }
2721            }
2722            if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
2723                    && mScreenshotChordVolumeDownKeyConsumed) {
2724                if (!down) {
2725                    mScreenshotChordVolumeDownKeyConsumed = false;
2726                }
2727                return -1;
2728            }
2729        }
2730
2731        // Cancel any pending meta actions if we see any other keys being pressed between the down
2732        // of the meta key and its corresponding up.
2733        if (mPendingMetaAction && !KeyEvent.isMetaKey(keyCode)) {
2734            mPendingMetaAction = false;
2735        }
2736
2737        // First we always handle the home key here, so applications
2738        // can never break it, although if keyguard is on, we do let
2739        // it handle it, because that gives us the correct 5 second
2740        // timeout.
2741        if (keyCode == KeyEvent.KEYCODE_HOME) {
2742
2743            // If we have released the home key, and didn't do anything else
2744            // while it was pressed, then it is time to go home!
2745            if (!down) {
2746                cancelPreloadRecentApps();
2747
2748                mHomePressed = false;
2749                if (mHomeConsumed) {
2750                    mHomeConsumed = false;
2751                    return -1;
2752                }
2753
2754                if (canceled) {
2755                    Log.i(TAG, "Ignoring HOME; event canceled.");
2756                    return -1;
2757                }
2758
2759                // If an incoming call is ringing, HOME is totally disabled.
2760                // (The user is already on the InCallUI at this point,
2761                // and his ONLY options are to answer or reject the call.)
2762                TelecomManager telecomManager = getTelecommService();
2763                if (telecomManager != null && telecomManager.isRinging()) {
2764                    Log.i(TAG, "Ignoring HOME; there's a ringing incoming call.");
2765                    return -1;
2766                }
2767
2768                // Delay handling home if a double-tap is possible.
2769                if (mDoubleTapOnHomeBehavior != DOUBLE_TAP_HOME_NOTHING) {
2770                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable); // just in case
2771                    mHomeDoubleTapPending = true;
2772                    mHandler.postDelayed(mHomeDoubleTapTimeoutRunnable,
2773                            ViewConfiguration.getDoubleTapTimeout());
2774                    return -1;
2775                }
2776
2777                handleShortPressOnHome();
2778                return -1;
2779            }
2780
2781            // If a system window has focus, then it doesn't make sense
2782            // right now to interact with applications.
2783            WindowManager.LayoutParams attrs = win != null ? win.getAttrs() : null;
2784            if (attrs != null) {
2785                final int type = attrs.type;
2786                if (type == WindowManager.LayoutParams.TYPE_KEYGUARD_SCRIM
2787                        || type == WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG
2788                        || (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
2789                    // the "app" is keyguard, so give it the key
2790                    return 0;
2791                }
2792                final int typeCount = WINDOW_TYPES_WHERE_HOME_DOESNT_WORK.length;
2793                for (int i=0; i<typeCount; i++) {
2794                    if (type == WINDOW_TYPES_WHERE_HOME_DOESNT_WORK[i]) {
2795                        // don't do anything, but also don't pass it to the app
2796                        return -1;
2797                    }
2798                }
2799            }
2800
2801            // Remember that home is pressed and handle special actions.
2802            if (repeatCount == 0) {
2803                mHomePressed = true;
2804                if (mHomeDoubleTapPending) {
2805                    mHomeDoubleTapPending = false;
2806                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable);
2807                    handleDoubleTapOnHome();
2808                } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI
2809                        || mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
2810                    preloadRecentApps();
2811                }
2812            } else if ((event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) {
2813                if (!keyguardOn) {
2814                    handleLongPressOnHome(event.getDeviceId());
2815                }
2816            }
2817            return -1;
2818        } else if (keyCode == KeyEvent.KEYCODE_MENU) {
2819            // Hijack modified menu keys for debugging features
2820            final int chordBug = KeyEvent.META_SHIFT_ON;
2821
2822            if (down && repeatCount == 0) {
2823                if (mEnableShiftMenuBugReports && (metaState & chordBug) == chordBug) {
2824                    Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
2825                    mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT,
2826                            null, null, null, 0, null, null);
2827                    return -1;
2828                } else if (SHOW_PROCESSES_ON_ALT_MENU &&
2829                        (metaState & KeyEvent.META_ALT_ON) == KeyEvent.META_ALT_ON) {
2830                    Intent service = new Intent();
2831                    service.setClassName(mContext, "com.android.server.LoadAverageService");
2832                    ContentResolver res = mContext.getContentResolver();
2833                    boolean shown = Settings.Global.getInt(
2834                            res, Settings.Global.SHOW_PROCESSES, 0) != 0;
2835                    if (!shown) {
2836                        mContext.startService(service);
2837                    } else {
2838                        mContext.stopService(service);
2839                    }
2840                    Settings.Global.putInt(
2841                            res, Settings.Global.SHOW_PROCESSES, shown ? 0 : 1);
2842                    return -1;
2843                }
2844            }
2845        } else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
2846            if (down) {
2847                if (repeatCount == 0) {
2848                    mSearchKeyShortcutPending = true;
2849                    mConsumeSearchKeyUp = false;
2850                }
2851            } else {
2852                mSearchKeyShortcutPending = false;
2853                if (mConsumeSearchKeyUp) {
2854                    mConsumeSearchKeyUp = false;
2855                    return -1;
2856                }
2857            }
2858            return 0;
2859        } else if (keyCode == KeyEvent.KEYCODE_APP_SWITCH) {
2860            if (!keyguardOn) {
2861                if (down && repeatCount == 0) {
2862                    preloadRecentApps();
2863                } else if (!down) {
2864                    toggleRecentApps();
2865                }
2866            }
2867            return -1;
2868        } else if (keyCode == KeyEvent.KEYCODE_N && event.isMetaPressed()) {
2869            if (down) {
2870                IStatusBarService service = getStatusBarService();
2871                if (service != null) {
2872                    try {
2873                        service.expandNotificationsPanel();
2874                    } catch (RemoteException e) {
2875                        // do nothing.
2876                    }
2877                }
2878            }
2879        } else if (keyCode == KeyEvent.KEYCODE_SLASH && event.isMetaPressed()) {
2880            if (down) {
2881                if (repeatCount == 0) {
2882                    showKeyboardShortcutsMenu();
2883                }
2884            }
2885        } else if (keyCode == KeyEvent.KEYCODE_ASSIST) {
2886            if (down) {
2887                if (repeatCount == 0) {
2888                    mAssistKeyLongPressed = false;
2889                } else if (repeatCount == 1) {
2890                    mAssistKeyLongPressed = true;
2891                    if (!keyguardOn) {
2892                         launchAssistLongPressAction();
2893                    }
2894                }
2895            } else {
2896                if (mAssistKeyLongPressed) {
2897                    mAssistKeyLongPressed = false;
2898                } else {
2899                    if (!keyguardOn) {
2900                        launchAssistAction(null, event.getDeviceId());
2901                    }
2902                }
2903            }
2904            return -1;
2905        } else if (keyCode == KeyEvent.KEYCODE_VOICE_ASSIST) {
2906            if (!down) {
2907                Intent voiceIntent;
2908                if (!keyguardOn) {
2909                    voiceIntent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
2910                } else {
2911                    IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
2912                            ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
2913                    if (dic != null) {
2914                        try {
2915                            dic.exitIdle("voice-search");
2916                        } catch (RemoteException e) {
2917                        }
2918                    }
2919                    voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
2920                    voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, true);
2921                }
2922                startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
2923            }
2924        } else if (keyCode == KeyEvent.KEYCODE_SYSRQ) {
2925            if (down && repeatCount == 0) {
2926                mHandler.post(mScreenshotRunnable);
2927            }
2928            return -1;
2929        } else if (keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP
2930                || keyCode == KeyEvent.KEYCODE_BRIGHTNESS_DOWN) {
2931            if (down) {
2932                int direction = keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP ? 1 : -1;
2933
2934                // Disable autobrightness if it's on
2935                int auto = Settings.System.getIntForUser(
2936                        mContext.getContentResolver(),
2937                        Settings.System.SCREEN_BRIGHTNESS_MODE,
2938                        Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
2939                        UserHandle.USER_CURRENT_OR_SELF);
2940                if (auto != 0) {
2941                    Settings.System.putIntForUser(mContext.getContentResolver(),
2942                            Settings.System.SCREEN_BRIGHTNESS_MODE,
2943                            Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
2944                            UserHandle.USER_CURRENT_OR_SELF);
2945                }
2946
2947                int min = mPowerManager.getMinimumScreenBrightnessSetting();
2948                int max = mPowerManager.getMaximumScreenBrightnessSetting();
2949                int step = (max - min + BRIGHTNESS_STEPS - 1) / BRIGHTNESS_STEPS * direction;
2950                int brightness = Settings.System.getIntForUser(mContext.getContentResolver(),
2951                        Settings.System.SCREEN_BRIGHTNESS,
2952                        mPowerManager.getDefaultScreenBrightnessSetting(),
2953                        UserHandle.USER_CURRENT_OR_SELF);
2954                brightness += step;
2955                // Make sure we don't go beyond the limits.
2956                brightness = Math.min(max, brightness);
2957                brightness = Math.max(min, brightness);
2958
2959                Settings.System.putIntForUser(mContext.getContentResolver(),
2960                        Settings.System.SCREEN_BRIGHTNESS, brightness,
2961                        UserHandle.USER_CURRENT_OR_SELF);
2962                startActivityAsUser(new Intent(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG),
2963                        UserHandle.CURRENT_OR_SELF);
2964            }
2965            return -1;
2966        } else if (KeyEvent.isMetaKey(keyCode)) {
2967            if (down) {
2968                mPendingMetaAction = true;
2969            } else if (mPendingMetaAction) {
2970                launchAssistAction(Intent.EXTRA_ASSIST_INPUT_HINT_KEYBOARD, event.getDeviceId());
2971            }
2972            return -1;
2973        }
2974
2975        // Shortcuts are invoked through Search+key, so intercept those here
2976        // Any printing key that is chorded with Search should be consumed
2977        // even if no shortcut was invoked.  This prevents text from being
2978        // inadvertently inserted when using a keyboard that has built-in macro
2979        // shortcut keys (that emit Search+x) and some of them are not registered.
2980        if (mSearchKeyShortcutPending) {
2981            final KeyCharacterMap kcm = event.getKeyCharacterMap();
2982            if (kcm.isPrintingKey(keyCode)) {
2983                mConsumeSearchKeyUp = true;
2984                mSearchKeyShortcutPending = false;
2985                if (down && repeatCount == 0 && !keyguardOn) {
2986                    Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState);
2987                    if (shortcutIntent != null) {
2988                        shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2989                        try {
2990                            startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
2991                        } catch (ActivityNotFoundException ex) {
2992                            Slog.w(TAG, "Dropping shortcut key combination because "
2993                                    + "the activity to which it is registered was not found: "
2994                                    + "SEARCH+" + KeyEvent.keyCodeToString(keyCode), ex);
2995                        }
2996                    } else {
2997                        Slog.i(TAG, "Dropping unregistered shortcut key combination: "
2998                                + "SEARCH+" + KeyEvent.keyCodeToString(keyCode));
2999                    }
3000                }
3001                return -1;
3002            }
3003        }
3004
3005        // Invoke shortcuts using Meta.
3006        if (down && repeatCount == 0 && !keyguardOn
3007                && (metaState & KeyEvent.META_META_ON) != 0) {
3008            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3009            if (kcm.isPrintingKey(keyCode)) {
3010                Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode,
3011                        metaState & ~(KeyEvent.META_META_ON
3012                                | KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_RIGHT_ON));
3013                if (shortcutIntent != null) {
3014                    shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3015                    try {
3016                        startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3017                    } catch (ActivityNotFoundException ex) {
3018                        Slog.w(TAG, "Dropping shortcut key combination because "
3019                                + "the activity to which it is registered was not found: "
3020                                + "META+" + KeyEvent.keyCodeToString(keyCode), ex);
3021                    }
3022                    return -1;
3023                }
3024            }
3025        }
3026
3027        // Handle application launch keys.
3028        if (down && repeatCount == 0 && !keyguardOn) {
3029            String category = sApplicationLaunchKeyCategories.get(keyCode);
3030            if (category != null) {
3031                Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, category);
3032                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3033                try {
3034                    startActivityAsUser(intent, UserHandle.CURRENT);
3035                } catch (ActivityNotFoundException ex) {
3036                    Slog.w(TAG, "Dropping application launch key because "
3037                            + "the activity to which it is registered was not found: "
3038                            + "keyCode=" + keyCode + ", category=" + category, ex);
3039                }
3040                return -1;
3041            }
3042        }
3043
3044        // Display task switcher for ALT-TAB.
3045        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_TAB) {
3046            if (mRecentAppsHeldModifiers == 0 && !keyguardOn && isUserSetupComplete()) {
3047                final int shiftlessModifiers = event.getModifiers() & ~KeyEvent.META_SHIFT_MASK;
3048                if (KeyEvent.metaStateHasModifiers(shiftlessModifiers, KeyEvent.META_ALT_ON)) {
3049                    mRecentAppsHeldModifiers = shiftlessModifiers;
3050                    showRecentApps(true);
3051                    return -1;
3052                }
3053            }
3054        } else if (!down && mRecentAppsHeldModifiers != 0
3055                && (metaState & mRecentAppsHeldModifiers) == 0) {
3056            mRecentAppsHeldModifiers = 0;
3057            hideRecentApps(true, false);
3058        }
3059
3060        // Handle keyboard layout switching.
3061        // TODO: Deprecate this behavior when we fully migrate to IME subtype-based layout rotation.
3062        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_SPACE
3063                && ((metaState & KeyEvent.META_CTRL_MASK) != 0)) {
3064            int direction = (metaState & KeyEvent.META_SHIFT_MASK) != 0 ? -1 : 1;
3065            mWindowManagerFuncs.switchKeyboardLayout(event.getDeviceId(), direction);
3066            return -1;
3067        }
3068
3069        // Handle input method switching.
3070        if (down && repeatCount == 0
3071                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3072                        || (keyCode == KeyEvent.KEYCODE_SPACE
3073                                && (metaState & KeyEvent.META_META_MASK) != 0))) {
3074            final boolean forwardDirection = (metaState & KeyEvent.META_SHIFT_MASK) == 0;
3075            mWindowManagerFuncs.switchInputMethod(forwardDirection);
3076            return -1;
3077        }
3078        if (mLanguageSwitchKeyPressed && !down
3079                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3080                        || keyCode == KeyEvent.KEYCODE_SPACE)) {
3081            mLanguageSwitchKeyPressed = false;
3082            return -1;
3083        }
3084
3085        if (isValidGlobalKey(keyCode)
3086                && mGlobalKeyManager.handleGlobalKey(mContext, keyCode, event)) {
3087            return -1;
3088        }
3089
3090        // Reserve all the META modifier combos for system behavior
3091        if ((metaState & KeyEvent.META_META_ON) != 0) {
3092            return -1;
3093        }
3094
3095        // Let the application handle the key.
3096        return 0;
3097    }
3098
3099    /** {@inheritDoc} */
3100    @Override
3101    public KeyEvent dispatchUnhandledKey(WindowState win, KeyEvent event, int policyFlags) {
3102        // Note: This method is only called if the initial down was unhandled.
3103        if (DEBUG_INPUT) {
3104            Slog.d(TAG, "Unhandled key: win=" + win + ", action=" + event.getAction()
3105                    + ", flags=" + event.getFlags()
3106                    + ", keyCode=" + event.getKeyCode()
3107                    + ", scanCode=" + event.getScanCode()
3108                    + ", metaState=" + event.getMetaState()
3109                    + ", repeatCount=" + event.getRepeatCount()
3110                    + ", policyFlags=" + policyFlags);
3111        }
3112
3113        KeyEvent fallbackEvent = null;
3114        if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
3115            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3116            final int keyCode = event.getKeyCode();
3117            final int metaState = event.getMetaState();
3118            final boolean initialDown = event.getAction() == KeyEvent.ACTION_DOWN
3119                    && event.getRepeatCount() == 0;
3120
3121            // Check for fallback actions specified by the key character map.
3122            final FallbackAction fallbackAction;
3123            if (initialDown) {
3124                fallbackAction = kcm.getFallbackAction(keyCode, metaState);
3125            } else {
3126                fallbackAction = mFallbackActions.get(keyCode);
3127            }
3128
3129            if (fallbackAction != null) {
3130                if (DEBUG_INPUT) {
3131                    Slog.d(TAG, "Fallback: keyCode=" + fallbackAction.keyCode
3132                            + " metaState=" + Integer.toHexString(fallbackAction.metaState));
3133                }
3134
3135                final int flags = event.getFlags() | KeyEvent.FLAG_FALLBACK;
3136                fallbackEvent = KeyEvent.obtain(
3137                        event.getDownTime(), event.getEventTime(),
3138                        event.getAction(), fallbackAction.keyCode,
3139                        event.getRepeatCount(), fallbackAction.metaState,
3140                        event.getDeviceId(), event.getScanCode(),
3141                        flags, event.getSource(), null);
3142
3143                if (!interceptFallback(win, fallbackEvent, policyFlags)) {
3144                    fallbackEvent.recycle();
3145                    fallbackEvent = null;
3146                }
3147
3148                if (initialDown) {
3149                    mFallbackActions.put(keyCode, fallbackAction);
3150                } else if (event.getAction() == KeyEvent.ACTION_UP) {
3151                    mFallbackActions.remove(keyCode);
3152                    fallbackAction.recycle();
3153                }
3154            }
3155        }
3156
3157        if (DEBUG_INPUT) {
3158            if (fallbackEvent == null) {
3159                Slog.d(TAG, "No fallback.");
3160            } else {
3161                Slog.d(TAG, "Performing fallback: " + fallbackEvent);
3162            }
3163        }
3164        return fallbackEvent;
3165    }
3166
3167    private boolean interceptFallback(WindowState win, KeyEvent fallbackEvent, int policyFlags) {
3168        int actions = interceptKeyBeforeQueueing(fallbackEvent, policyFlags);
3169        if ((actions & ACTION_PASS_TO_USER) != 0) {
3170            long delayMillis = interceptKeyBeforeDispatching(
3171                    win, fallbackEvent, policyFlags);
3172            if (delayMillis == 0) {
3173                return true;
3174            }
3175        }
3176        return false;
3177    }
3178
3179    private void launchAssistLongPressAction() {
3180        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
3181        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3182
3183        // launch the search activity
3184        Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
3185        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3186        try {
3187            // TODO: This only stops the factory-installed search manager.
3188            // Need to formalize an API to handle others
3189            SearchManager searchManager = getSearchManager();
3190            if (searchManager != null) {
3191                searchManager.stopSearch();
3192            }
3193            startActivityAsUser(intent, UserHandle.CURRENT);
3194        } catch (ActivityNotFoundException e) {
3195            Slog.w(TAG, "No activity to handle assist long press action.", e);
3196        }
3197    }
3198
3199    private void launchAssistAction(String hint, int deviceId) {
3200        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3201        if (!isUserSetupComplete()) {
3202            // Disable opening assist window during setup
3203            return;
3204        }
3205        Bundle args = null;
3206        if (deviceId > Integer.MIN_VALUE) {
3207            args = new Bundle();
3208            args.putInt(Intent.EXTRA_ASSIST_INPUT_DEVICE_ID, deviceId);
3209        }
3210        if ((mContext.getResources().getConfiguration().uiMode
3211                & Configuration.UI_MODE_TYPE_MASK) == Configuration.UI_MODE_TYPE_TELEVISION) {
3212            // On TV, use legacy handling until assistants are implemented in the proper way.
3213            ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
3214                    .launchLegacyAssist(hint, UserHandle.myUserId(), args);
3215        } else {
3216            try {
3217                if (hint != null) {
3218                    if (args == null) {
3219                        args = new Bundle();
3220                    }
3221                    args.putBoolean(hint, true);
3222                }
3223                IStatusBarService statusbar = getStatusBarService();
3224                if (statusbar != null) {
3225                    statusbar.startAssist(args);
3226                }
3227            } catch (RemoteException e) {
3228                Slog.e(TAG, "RemoteException when starting assist", e);
3229                // re-acquire status bar service next time it is needed.
3230                mStatusBarService = null;
3231            }
3232        }
3233    }
3234
3235    private void startActivityAsUser(Intent intent, UserHandle handle) {
3236        if (isUserSetupComplete()) {
3237            mContext.startActivityAsUser(intent, handle);
3238        } else {
3239            Slog.i(TAG, "Not starting activity because user setup is in progress: " + intent);
3240        }
3241    }
3242
3243    private SearchManager getSearchManager() {
3244        if (mSearchManager == null) {
3245            mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
3246        }
3247        return mSearchManager;
3248    }
3249
3250    private void preloadRecentApps() {
3251        mPreloadedRecentApps = true;
3252        try {
3253            IStatusBarService statusbar = getStatusBarService();
3254            if (statusbar != null) {
3255                statusbar.preloadRecentApps();
3256            }
3257        } catch (RemoteException e) {
3258            Slog.e(TAG, "RemoteException when preloading recent apps", e);
3259            // re-acquire status bar service next time it is needed.
3260            mStatusBarService = null;
3261        }
3262    }
3263
3264    private void cancelPreloadRecentApps() {
3265        if (mPreloadedRecentApps) {
3266            mPreloadedRecentApps = false;
3267            try {
3268                IStatusBarService statusbar = getStatusBarService();
3269                if (statusbar != null) {
3270                    statusbar.cancelPreloadRecentApps();
3271                }
3272            } catch (RemoteException e) {
3273                Slog.e(TAG, "RemoteException when cancelling recent apps preload", e);
3274                // re-acquire status bar service next time it is needed.
3275                mStatusBarService = null;
3276            }
3277        }
3278    }
3279
3280    private void toggleRecentApps() {
3281        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3282        try {
3283            IStatusBarService statusbar = getStatusBarService();
3284            if (statusbar != null) {
3285                statusbar.toggleRecentApps();
3286            }
3287        } catch (RemoteException e) {
3288            Slog.e(TAG, "RemoteException when toggling recent apps", e);
3289            // re-acquire status bar service next time it is needed.
3290            mStatusBarService = null;
3291        }
3292    }
3293
3294    @Override
3295    public void showRecentApps() {
3296        mHandler.removeMessages(MSG_DISPATCH_SHOW_RECENTS);
3297        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_RECENTS);
3298    }
3299
3300    private void showRecentApps(boolean triggeredFromAltTab) {
3301        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3302        try {
3303            IStatusBarService statusbar = getStatusBarService();
3304            if (statusbar != null) {
3305                statusbar.showRecentApps(triggeredFromAltTab);
3306            }
3307        } catch (RemoteException e) {
3308            Slog.e(TAG, "RemoteException when showing recent apps", e);
3309            // re-acquire status bar service next time it is needed.
3310            mStatusBarService = null;
3311        }
3312    }
3313
3314    private void showKeyboardShortcutsMenu() {
3315        try {
3316            IStatusBarService statusbar = getStatusBarService();
3317            if (statusbar != null) {
3318                statusbar.showKeyboardShortcutsMenu();
3319            }
3320        } catch (RemoteException e) {
3321            Slog.e(TAG, "RemoteException when showing keyboard shortcuts menu", e);
3322        }
3323    }
3324
3325    private void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHome) {
3326        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3327        try {
3328            IStatusBarService statusbar = getStatusBarService();
3329            if (statusbar != null) {
3330                statusbar.hideRecentApps(triggeredFromAltTab, triggeredFromHome);
3331            }
3332        } catch (RemoteException e) {
3333            Slog.e(TAG, "RemoteException when closing recent apps", e);
3334            // re-acquire status bar service next time it is needed.
3335            mStatusBarService = null;
3336        }
3337    }
3338
3339    void launchHomeFromHotKey() {
3340        launchHomeFromHotKey(true /* awakenFromDreams */, true /*respectKeyguard*/);
3341    }
3342
3343    /**
3344     * A home key -> launch home action was detected.  Take the appropriate action
3345     * given the situation with the keyguard.
3346     */
3347    void launchHomeFromHotKey(final boolean awakenFromDreams, final boolean respectKeyguard) {
3348        if (respectKeyguard) {
3349            if (isKeyguardShowingAndNotOccluded()) {
3350                // don't launch home if keyguard showing
3351                return;
3352            }
3353
3354            if (!mHideLockScreen && mKeyguardDelegate.isInputRestricted()) {
3355                // when in keyguard restricted mode, must first verify unlock
3356                // before launching home
3357                mKeyguardDelegate.verifyUnlock(new OnKeyguardExitResult() {
3358                    @Override
3359                    public void onKeyguardExitResult(boolean success) {
3360                        if (success) {
3361                            try {
3362                                ActivityManagerNative.getDefault().stopAppSwitches();
3363                            } catch (RemoteException e) {
3364                            }
3365                            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3366                            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3367                        }
3368                    }
3369                });
3370                return;
3371            }
3372        }
3373
3374        // no keyguard stuff to worry about, just launch home!
3375        try {
3376            ActivityManagerNative.getDefault().stopAppSwitches();
3377        } catch (RemoteException e) {
3378        }
3379        if (mRecentsVisible) {
3380            // Hide Recents and notify it to launch Home
3381            if (awakenFromDreams) {
3382                awakenDreams();
3383            }
3384            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3385            hideRecentApps(false, true);
3386        } else {
3387            // Otherwise, just launch Home
3388            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3389            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3390        }
3391    }
3392
3393    private final Runnable mClearHideNavigationFlag = new Runnable() {
3394        @Override
3395        public void run() {
3396            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3397                // Clear flags.
3398                mForceClearedSystemUiFlags &=
3399                        ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3400            }
3401            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3402        }
3403    };
3404
3405    /**
3406     * Input handler used while nav bar is hidden.  Captures any touch on the screen,
3407     * to determine when the nav bar should be shown and prevent applications from
3408     * receiving those touches.
3409     */
3410    final class HideNavInputEventReceiver extends InputEventReceiver {
3411        public HideNavInputEventReceiver(InputChannel inputChannel, Looper looper) {
3412            super(inputChannel, looper);
3413        }
3414
3415        @Override
3416        public void onInputEvent(InputEvent event) {
3417            boolean handled = false;
3418            try {
3419                if (event instanceof MotionEvent
3420                        && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
3421                    final MotionEvent motionEvent = (MotionEvent)event;
3422                    if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
3423                        // When the user taps down, we re-show the nav bar.
3424                        boolean changed = false;
3425                        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3426                            // Any user activity always causes us to show the
3427                            // navigation controls, if they had been hidden.
3428                            // We also clear the low profile and only content
3429                            // flags so that tapping on the screen will atomically
3430                            // restore all currently hidden screen decorations.
3431                            int newVal = mResettingSystemUiFlags |
3432                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
3433                                    View.SYSTEM_UI_FLAG_LOW_PROFILE |
3434                                    View.SYSTEM_UI_FLAG_FULLSCREEN;
3435                            if (mResettingSystemUiFlags != newVal) {
3436                                mResettingSystemUiFlags = newVal;
3437                                changed = true;
3438                            }
3439                            // We don't allow the system's nav bar to be hidden
3440                            // again for 1 second, to prevent applications from
3441                            // spamming us and keeping it from being shown.
3442                            newVal = mForceClearedSystemUiFlags |
3443                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3444                            if (mForceClearedSystemUiFlags != newVal) {
3445                                mForceClearedSystemUiFlags = newVal;
3446                                changed = true;
3447                                mHandler.postDelayed(mClearHideNavigationFlag, 1000);
3448                            }
3449                        }
3450                        if (changed) {
3451                            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3452                        }
3453                    }
3454                }
3455            } finally {
3456                finishInputEvent(event, handled);
3457            }
3458        }
3459    }
3460    final InputEventReceiver.Factory mHideNavInputEventReceiverFactory =
3461            new InputEventReceiver.Factory() {
3462        @Override
3463        public InputEventReceiver createInputEventReceiver(
3464                InputChannel inputChannel, Looper looper) {
3465            return new HideNavInputEventReceiver(inputChannel, looper);
3466        }
3467    };
3468
3469    @Override
3470    public int adjustSystemUiVisibilityLw(int visibility) {
3471        mStatusBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3472        mNavigationBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3473        mRecentsVisible = (visibility & View.RECENT_APPS_VISIBLE) > 0;
3474
3475        // Reset any bits in mForceClearingStatusBarVisibility that
3476        // are now clear.
3477        mResettingSystemUiFlags &= visibility;
3478        // Clear any bits in the new visibility that are currently being
3479        // force cleared, before reporting it.
3480        return visibility & ~mResettingSystemUiFlags
3481                & ~mForceClearedSystemUiFlags;
3482    }
3483
3484    @Override
3485    public void getInsetHintLw(WindowManager.LayoutParams attrs, int displayRotation,
3486            Rect outContentInsets, Rect outStableInsets, Rect outOutsets) {
3487        final int fl = PolicyControl.getWindowFlags(null, attrs);
3488        final int sysuiVis = PolicyControl.getSystemUiVisibility(null, attrs);
3489        final int systemUiVisibility = (sysuiVis | attrs.subtreeSystemUiVisibility);
3490
3491        final boolean useOutsets = outOutsets != null && shouldUseOutsets(attrs, fl);
3492        if (useOutsets) {
3493            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
3494            if (outset > 0) {
3495                if (displayRotation == Surface.ROTATION_0) {
3496                    outOutsets.bottom += outset;
3497                } else if (displayRotation == Surface.ROTATION_90) {
3498                    outOutsets.right += outset;
3499                } else if (displayRotation == Surface.ROTATION_180) {
3500                    outOutsets.top += outset;
3501                } else if (displayRotation == Surface.ROTATION_270) {
3502                    outOutsets.left += outset;
3503                }
3504            }
3505        }
3506
3507        if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3508                == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3509            int availRight, availBottom;
3510            if (canHideNavigationBar() &&
3511                    (systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0) {
3512                availRight = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3513                availBottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3514            } else {
3515                availRight = mRestrictedScreenLeft + mRestrictedScreenWidth;
3516                availBottom = mRestrictedScreenTop + mRestrictedScreenHeight;
3517            }
3518            if ((systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3519                if ((fl & FLAG_FULLSCREEN) != 0) {
3520                    outContentInsets.set(mStableFullscreenLeft, mStableFullscreenTop,
3521                            availRight - mStableFullscreenRight,
3522                            availBottom - mStableFullscreenBottom);
3523                } else {
3524                    outContentInsets.set(mStableLeft, mStableTop,
3525                            availRight - mStableRight, availBottom - mStableBottom);
3526                }
3527            } else if ((fl & FLAG_FULLSCREEN) != 0 || (fl & FLAG_LAYOUT_IN_OVERSCAN) != 0) {
3528                outContentInsets.setEmpty();
3529            } else if ((systemUiVisibility & (View.SYSTEM_UI_FLAG_FULLSCREEN
3530                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)) == 0) {
3531                outContentInsets.set(mCurLeft, mCurTop,
3532                        availRight - mCurRight, availBottom - mCurBottom);
3533            } else {
3534                outContentInsets.set(mCurLeft, mCurTop,
3535                        availRight - mCurRight, availBottom - mCurBottom);
3536            }
3537
3538            outStableInsets.set(mStableLeft, mStableTop,
3539                    availRight - mStableRight, availBottom - mStableBottom);
3540            return;
3541        }
3542        outContentInsets.setEmpty();
3543        outStableInsets.setEmpty();
3544    }
3545
3546    private boolean shouldUseOutsets(WindowManager.LayoutParams attrs, int fl) {
3547        return attrs.type == TYPE_WALLPAPER || (fl & (WindowManager.LayoutParams.FLAG_FULLSCREEN
3548                | WindowManager.LayoutParams.FLAG_LAYOUT_IN_OVERSCAN)) != 0;
3549    }
3550
3551    /** {@inheritDoc} */
3552    @Override
3553    public void beginLayoutLw(boolean isDefaultDisplay, int displayWidth, int displayHeight,
3554                              int displayRotation) {
3555        mDisplayRotation = displayRotation;
3556        final int overscanLeft, overscanTop, overscanRight, overscanBottom;
3557        if (isDefaultDisplay) {
3558            switch (displayRotation) {
3559                case Surface.ROTATION_90:
3560                    overscanLeft = mOverscanTop;
3561                    overscanTop = mOverscanRight;
3562                    overscanRight = mOverscanBottom;
3563                    overscanBottom = mOverscanLeft;
3564                    break;
3565                case Surface.ROTATION_180:
3566                    overscanLeft = mOverscanRight;
3567                    overscanTop = mOverscanBottom;
3568                    overscanRight = mOverscanLeft;
3569                    overscanBottom = mOverscanTop;
3570                    break;
3571                case Surface.ROTATION_270:
3572                    overscanLeft = mOverscanBottom;
3573                    overscanTop = mOverscanLeft;
3574                    overscanRight = mOverscanTop;
3575                    overscanBottom = mOverscanRight;
3576                    break;
3577                default:
3578                    overscanLeft = mOverscanLeft;
3579                    overscanTop = mOverscanTop;
3580                    overscanRight = mOverscanRight;
3581                    overscanBottom = mOverscanBottom;
3582                    break;
3583            }
3584        } else {
3585            overscanLeft = 0;
3586            overscanTop = 0;
3587            overscanRight = 0;
3588            overscanBottom = 0;
3589        }
3590        mOverscanScreenLeft = mRestrictedOverscanScreenLeft = 0;
3591        mOverscanScreenTop = mRestrictedOverscanScreenTop = 0;
3592        mOverscanScreenWidth = mRestrictedOverscanScreenWidth = displayWidth;
3593        mOverscanScreenHeight = mRestrictedOverscanScreenHeight = displayHeight;
3594        mSystemLeft = 0;
3595        mSystemTop = 0;
3596        mSystemRight = displayWidth;
3597        mSystemBottom = displayHeight;
3598        mUnrestrictedScreenLeft = overscanLeft;
3599        mUnrestrictedScreenTop = overscanTop;
3600        mUnrestrictedScreenWidth = displayWidth - overscanLeft - overscanRight;
3601        mUnrestrictedScreenHeight = displayHeight - overscanTop - overscanBottom;
3602        mRestrictedScreenLeft = mUnrestrictedScreenLeft;
3603        mRestrictedScreenTop = mUnrestrictedScreenTop;
3604        mRestrictedScreenWidth = mSystemGestures.screenWidth = mUnrestrictedScreenWidth;
3605        mRestrictedScreenHeight = mSystemGestures.screenHeight = mUnrestrictedScreenHeight;
3606        mDockLeft = mContentLeft = mVoiceContentLeft = mStableLeft = mStableFullscreenLeft
3607                = mCurLeft = mUnrestrictedScreenLeft;
3608        mDockTop = mContentTop = mVoiceContentTop = mStableTop = mStableFullscreenTop
3609                = mCurTop = mUnrestrictedScreenTop;
3610        mDockRight = mContentRight = mVoiceContentRight = mStableRight = mStableFullscreenRight
3611                = mCurRight = displayWidth - overscanRight;
3612        mDockBottom = mContentBottom = mVoiceContentBottom = mStableBottom = mStableFullscreenBottom
3613                = mCurBottom = displayHeight - overscanBottom;
3614        mDockLayer = 0x10000000;
3615        mStatusBarLayer = -1;
3616
3617        // start with the current dock rect, which will be (0,0,displayWidth,displayHeight)
3618        final Rect pf = mTmpParentFrame;
3619        final Rect df = mTmpDisplayFrame;
3620        final Rect of = mTmpOverscanFrame;
3621        final Rect vf = mTmpVisibleFrame;
3622        final Rect dcf = mTmpDecorFrame;
3623        pf.left = df.left = of.left = vf.left = mDockLeft;
3624        pf.top = df.top = of.top = vf.top = mDockTop;
3625        pf.right = df.right = of.right = vf.right = mDockRight;
3626        pf.bottom = df.bottom = of.bottom = vf.bottom = mDockBottom;
3627        dcf.setEmpty();  // Decor frame N/A for system bars.
3628
3629        if (isDefaultDisplay) {
3630            // For purposes of putting out fake window up to steal focus, we will
3631            // drive nav being hidden only by whether it is requested.
3632            final int sysui = mLastSystemUiFlags;
3633            boolean navVisible = (sysui & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0;
3634            boolean navTranslucent = (sysui
3635                    & (View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT)) != 0;
3636            boolean immersive = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
3637            boolean immersiveSticky = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
3638            boolean navAllowedHidden = immersive || immersiveSticky;
3639            navTranslucent &= !immersiveSticky;  // transient trumps translucent
3640            boolean isKeyguardShowing = isStatusBarKeyguard() && !mHideLockScreen;
3641            if (!isKeyguardShowing) {
3642                navTranslucent &= areTranslucentBarsAllowed();
3643            }
3644
3645            // When the navigation bar isn't visible, we put up a fake
3646            // input window to catch all touch events.  This way we can
3647            // detect when the user presses anywhere to bring back the nav
3648            // bar and ensure the application doesn't see the event.
3649            if (navVisible || navAllowedHidden) {
3650                if (mInputConsumer != null) {
3651                    mInputConsumer.dismiss();
3652                    mInputConsumer = null;
3653                }
3654            } else if (mInputConsumer == null) {
3655                mInputConsumer = mWindowManagerFuncs.addInputConsumer(mHandler.getLooper(),
3656                        mHideNavInputEventReceiverFactory);
3657            }
3658
3659            // For purposes of positioning and showing the nav bar, if we have
3660            // decided that it can't be hidden (because of the screen aspect ratio),
3661            // then take that into account.
3662            navVisible |= !canHideNavigationBar();
3663
3664            boolean updateSysUiVisibility = layoutNavigationBar(displayWidth, displayHeight,
3665                    displayRotation, overscanRight, overscanBottom, dcf, navVisible, navTranslucent,
3666                    navAllowedHidden);
3667            if (DEBUG_LAYOUT) Slog.i(TAG, String.format("mDock rect: (%d,%d - %d,%d)",
3668                    mDockLeft, mDockTop, mDockRight, mDockBottom));
3669            updateSysUiVisibility |= layoutStatusBar(pf, df, of, vf, dcf, sysui, isKeyguardShowing);
3670            if (updateSysUiVisibility) {
3671                updateSystemUiVisibilityLw();
3672            }
3673        }
3674    }
3675
3676    private boolean layoutStatusBar(Rect pf, Rect df, Rect of, Rect vf, Rect dcf, int sysui,
3677            boolean isKeyguardShowing) {
3678        // decide where the status bar goes ahead of time
3679        if (mStatusBar != null) {
3680            // apply any navigation bar insets
3681            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3682            pf.top = df.top = of.top = mUnrestrictedScreenTop;
3683            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
3684            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight
3685                    + mUnrestrictedScreenTop;
3686            vf.left = mStableLeft;
3687            vf.top = mStableTop;
3688            vf.right = mStableRight;
3689            vf.bottom = mStableBottom;
3690
3691            mStatusBarLayer = mStatusBar.getSurfaceLayer();
3692
3693            // Let the status bar determine its size.
3694            mStatusBar.computeFrameLw(pf /* parentFrame */, df /* displayFrame */,
3695                    vf /* overlayFrame */, vf /* contentFrame */, vf /* visibleFrame */,
3696                    dcf /* decorFrame */, vf /* stableFrame */, vf /* outsetFrame */);
3697
3698            // For layout, the status bar is always at the top with our fixed height.
3699            mStableTop = mUnrestrictedScreenTop + mStatusBarHeight;
3700
3701            boolean statusBarTransient = (sysui & View.STATUS_BAR_TRANSIENT) != 0;
3702            boolean statusBarTranslucent = (sysui
3703                    & (View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT)) != 0;
3704            if (!isKeyguardShowing) {
3705                statusBarTranslucent &= areTranslucentBarsAllowed();
3706            }
3707
3708            // If the status bar is hidden, we don't want to cause
3709            // windows behind it to scroll.
3710            if (mStatusBar.isVisibleLw() && !statusBarTransient) {
3711                // Status bar may go away, so the screen area it occupies
3712                // is available to apps but just covering them when the
3713                // status bar is visible.
3714                mDockTop = mUnrestrictedScreenTop + mStatusBarHeight;
3715
3716                mContentTop = mVoiceContentTop = mCurTop = mDockTop;
3717                mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
3718                mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
3719                mContentRight = mVoiceContentRight = mCurRight = mDockRight;
3720
3721                if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar: " +
3722                        String.format(
3723                                "dock=[%d,%d][%d,%d] content=[%d,%d][%d,%d] cur=[%d,%d][%d,%d]",
3724                                mDockLeft, mDockTop, mDockRight, mDockBottom,
3725                                mContentLeft, mContentTop, mContentRight, mContentBottom,
3726                                mCurLeft, mCurTop, mCurRight, mCurBottom));
3727            }
3728            if (mStatusBar.isVisibleLw() && !mStatusBar.isAnimatingLw()
3729                    && !statusBarTransient && !statusBarTranslucent
3730                    && !mStatusBarController.wasRecentlyTranslucent()) {
3731                // If the opaque status bar is currently requested to be visible,
3732                // and not in the process of animating on or off, then
3733                // we can tell the app that it is covered by it.
3734                mSystemTop = mUnrestrictedScreenTop + mStatusBarHeight;
3735            }
3736            if (mStatusBarController.checkHiddenLw()) {
3737                return true;
3738            }
3739        }
3740        return false;
3741    }
3742
3743    private boolean layoutNavigationBar(int displayWidth, int displayHeight, int displayRotation,
3744            int overscanRight, int overscanBottom, Rect dcf, boolean navVisible,
3745            boolean navTranslucent, boolean navAllowedHidden) {
3746        if (mNavigationBar != null) {
3747            boolean transientNavBarShowing = mNavigationBarController.isTransientShowing();
3748            // Force the navigation bar to its appropriate place and
3749            // size.  We need to do this directly, instead of relying on
3750            // it to bubble up from the nav bar, because this needs to
3751            // change atomically with screen rotations.
3752            mNavigationBarOnBottom = (!mNavigationBarCanMove || displayWidth < displayHeight);
3753            if (mNavigationBarOnBottom) {
3754                // It's a system nav bar or a portrait screen; nav bar goes on bottom.
3755                int top = displayHeight - overscanBottom
3756                        - mNavigationBarHeightForRotation[displayRotation];
3757                mTmpNavigationFrame.set(0, top, displayWidth, displayHeight - overscanBottom);
3758                mStableBottom = mStableFullscreenBottom = mTmpNavigationFrame.top;
3759                if (transientNavBarShowing) {
3760                    mNavigationBarController.setBarShowingLw(true);
3761                } else if (navVisible) {
3762                    mNavigationBarController.setBarShowingLw(true);
3763                    mDockBottom = mTmpNavigationFrame.top;
3764                    mRestrictedScreenHeight = mDockBottom - mRestrictedScreenTop;
3765                    mRestrictedOverscanScreenHeight = mDockBottom - mRestrictedOverscanScreenTop;
3766                } else {
3767                    // We currently want to hide the navigation UI.
3768                    mNavigationBarController.setBarShowingLw(false);
3769                }
3770                if (navVisible && !navTranslucent && !navAllowedHidden
3771                        && !mNavigationBar.isAnimatingLw()
3772                        && !mNavigationBarController.wasRecentlyTranslucent()) {
3773                    // If the opaque nav bar is currently requested to be visible,
3774                    // and not in the process of animating on or off, then
3775                    // we can tell the app that it is covered by it.
3776                    mSystemBottom = mTmpNavigationFrame.top;
3777                }
3778            } else {
3779                // Landscape screen; nav bar goes to the right.
3780                int left = displayWidth - overscanRight
3781                        - mNavigationBarWidthForRotation[displayRotation];
3782                mTmpNavigationFrame.set(left, 0, displayWidth - overscanRight, displayHeight);
3783                mStableRight = mStableFullscreenRight = mTmpNavigationFrame.left;
3784                if (transientNavBarShowing) {
3785                    mNavigationBarController.setBarShowingLw(true);
3786                } else if (navVisible) {
3787                    mNavigationBarController.setBarShowingLw(true);
3788                    mDockRight = mTmpNavigationFrame.left;
3789                    mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
3790                    mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
3791                } else {
3792                    // We currently want to hide the navigation UI.
3793                    mNavigationBarController.setBarShowingLw(false);
3794                }
3795                if (navVisible && !navTranslucent && !navAllowedHidden
3796                        && !mNavigationBar.isAnimatingLw()
3797                        && !mNavigationBarController.wasRecentlyTranslucent()) {
3798                    // If the nav bar is currently requested to be visible,
3799                    // and not in the process of animating on or off, then
3800                    // we can tell the app that it is covered by it.
3801                    mSystemRight = mTmpNavigationFrame.left;
3802                }
3803            }
3804            // Make sure the content and current rectangles are updated to
3805            // account for the restrictions from the navigation bar.
3806            mContentTop = mVoiceContentTop = mCurTop = mDockTop;
3807            mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
3808            mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
3809            mContentRight = mVoiceContentRight = mCurRight = mDockRight;
3810            mStatusBarLayer = mNavigationBar.getSurfaceLayer();
3811            // And compute the final frame.
3812            mNavigationBar.computeFrameLw(mTmpNavigationFrame, mTmpNavigationFrame,
3813                    mTmpNavigationFrame, mTmpNavigationFrame, mTmpNavigationFrame, dcf,
3814                    mTmpNavigationFrame, mTmpNavigationFrame);
3815            if (DEBUG_LAYOUT) Slog.i(TAG, "mNavigationBar frame: " + mTmpNavigationFrame);
3816            if (mNavigationBarController.checkHiddenLw()) {
3817                return true;
3818            }
3819        }
3820        return false;
3821    }
3822
3823    /** {@inheritDoc} */
3824    @Override
3825    public int getSystemDecorLayerLw() {
3826        if (mStatusBar != null && mStatusBar.isVisibleLw()) {
3827            return mStatusBar.getSurfaceLayer();
3828        }
3829
3830        if (mNavigationBar != null && mNavigationBar.isVisibleLw()) {
3831            return mNavigationBar.getSurfaceLayer();
3832        }
3833
3834        return 0;
3835    }
3836
3837    @Override
3838    public void getContentRectLw(Rect r) {
3839        r.set(mContentLeft, mContentTop, mContentRight, mContentBottom);
3840    }
3841
3842    void setAttachedWindowFrames(WindowState win, int fl, int adjust, WindowState attached,
3843            boolean insetDecors, Rect pf, Rect df, Rect of, Rect cf, Rect vf) {
3844        if (win.getSurfaceLayer() > mDockLayer && attached.getSurfaceLayer() < mDockLayer) {
3845            // Here's a special case: if this attached window is a panel that is
3846            // above the dock window, and the window it is attached to is below
3847            // the dock window, then the frames we computed for the window it is
3848            // attached to can not be used because the dock is effectively part
3849            // of the underlying window and the attached window is floating on top
3850            // of the whole thing.  So, we ignore the attached window and explicitly
3851            // compute the frames that would be appropriate without the dock.
3852            df.left = of.left = cf.left = vf.left = mDockLeft;
3853            df.top = of.top = cf.top = vf.top = mDockTop;
3854            df.right = of.right = cf.right = vf.right = mDockRight;
3855            df.bottom = of.bottom = cf.bottom = vf.bottom = mDockBottom;
3856        } else {
3857            // The effective display frame of the attached window depends on
3858            // whether it is taking care of insetting its content.  If not,
3859            // we need to use the parent's content frame so that the entire
3860            // window is positioned within that content.  Otherwise we can use
3861            // the overscan frame and let the attached window take care of
3862            // positioning its content appropriately.
3863            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
3864                // Set the content frame of the attached window to the parent's decor frame
3865                // (same as content frame when IME isn't present) if specifically requested by
3866                // setting {@link WindowManager.LayoutParams#FLAG_LAYOUT_ATTACHED_IN_DECOR} flag.
3867                // Otherwise, use the overscan frame.
3868                cf.set((fl & FLAG_LAYOUT_ATTACHED_IN_DECOR) != 0
3869                        ? attached.getContentFrameLw() : attached.getOverscanFrameLw());
3870            } else {
3871                // If the window is resizing, then we want to base the content
3872                // frame on our attached content frame to resize...  however,
3873                // things can be tricky if the attached window is NOT in resize
3874                // mode, in which case its content frame will be larger.
3875                // Ungh.  So to deal with that, make sure the content frame
3876                // we end up using is not covering the IM dock.
3877                cf.set(attached.getContentFrameLw());
3878                if (attached.isVoiceInteraction()) {
3879                    if (cf.left < mVoiceContentLeft) cf.left = mVoiceContentLeft;
3880                    if (cf.top < mVoiceContentTop) cf.top = mVoiceContentTop;
3881                    if (cf.right > mVoiceContentRight) cf.right = mVoiceContentRight;
3882                    if (cf.bottom > mVoiceContentBottom) cf.bottom = mVoiceContentBottom;
3883                } else if (attached.getSurfaceLayer() < mDockLayer) {
3884                    if (cf.left < mContentLeft) cf.left = mContentLeft;
3885                    if (cf.top < mContentTop) cf.top = mContentTop;
3886                    if (cf.right > mContentRight) cf.right = mContentRight;
3887                    if (cf.bottom > mContentBottom) cf.bottom = mContentBottom;
3888                }
3889            }
3890            df.set(insetDecors ? attached.getDisplayFrameLw() : cf);
3891            of.set(insetDecors ? attached.getOverscanFrameLw() : cf);
3892            vf.set(attached.getVisibleFrameLw());
3893        }
3894        // The LAYOUT_IN_SCREEN flag is used to determine whether the attached
3895        // window should be positioned relative to its parent or the entire
3896        // screen.
3897        pf.set((fl & FLAG_LAYOUT_IN_SCREEN) == 0
3898                ? attached.getFrameLw() : df);
3899    }
3900
3901    private void applyStableConstraints(int sysui, int fl, Rect r) {
3902        if ((sysui & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3903            // If app is requesting a stable layout, don't let the
3904            // content insets go below the stable values.
3905            if ((fl & FLAG_FULLSCREEN) != 0) {
3906                if (r.left < mStableFullscreenLeft) r.left = mStableFullscreenLeft;
3907                if (r.top < mStableFullscreenTop) r.top = mStableFullscreenTop;
3908                if (r.right > mStableFullscreenRight) r.right = mStableFullscreenRight;
3909                if (r.bottom > mStableFullscreenBottom) r.bottom = mStableFullscreenBottom;
3910            } else {
3911                if (r.left < mStableLeft) r.left = mStableLeft;
3912                if (r.top < mStableTop) r.top = mStableTop;
3913                if (r.right > mStableRight) r.right = mStableRight;
3914                if (r.bottom > mStableBottom) r.bottom = mStableBottom;
3915            }
3916        }
3917    }
3918
3919    private boolean canReceiveInput(WindowState win) {
3920        boolean notFocusable =
3921                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) != 0;
3922        boolean altFocusableIm =
3923                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM) != 0;
3924        boolean notFocusableForIm = notFocusable ^ altFocusableIm;
3925        return !notFocusableForIm;
3926    }
3927
3928    /** {@inheritDoc} */
3929    @Override
3930    public void layoutWindowLw(WindowState win, WindowState attached) {
3931        // We've already done the navigation bar and status bar. If the status bar can receive
3932        // input, we need to layout it again to accomodate for the IME window.
3933        if ((win == mStatusBar && !canReceiveInput(win)) || win == mNavigationBar) {
3934            return;
3935        }
3936        final WindowManager.LayoutParams attrs = win.getAttrs();
3937        final boolean isDefaultDisplay = win.isDefaultDisplay();
3938        final boolean needsToOffsetInputMethodTarget = isDefaultDisplay &&
3939                (win == mLastInputMethodTargetWindow && mLastInputMethodWindow != null);
3940        if (needsToOffsetInputMethodTarget) {
3941            if (DEBUG_LAYOUT) Slog.i(TAG, "Offset ime target window by the last ime window state");
3942            offsetInputMethodWindowLw(mLastInputMethodWindow);
3943        }
3944
3945        final int fl = PolicyControl.getWindowFlags(win, attrs);
3946        final int sim = attrs.softInputMode;
3947        final int sysUiFl = PolicyControl.getSystemUiVisibility(win, null);
3948
3949        final Rect pf = mTmpParentFrame;
3950        final Rect df = mTmpDisplayFrame;
3951        final Rect of = mTmpOverscanFrame;
3952        final Rect cf = mTmpContentFrame;
3953        final Rect vf = mTmpVisibleFrame;
3954        final Rect dcf = mTmpDecorFrame;
3955        final Rect sf = mTmpStableFrame;
3956        Rect osf = null;
3957        dcf.setEmpty();
3958
3959        final boolean hasNavBar = (isDefaultDisplay && mHasNavigationBar
3960                && mNavigationBar != null && mNavigationBar.isVisibleLw());
3961
3962        final int adjust = sim & SOFT_INPUT_MASK_ADJUST;
3963
3964        if (isDefaultDisplay) {
3965            sf.set(mStableLeft, mStableTop, mStableRight, mStableBottom);
3966        } else {
3967            sf.set(mOverscanLeft, mOverscanTop, mOverscanRight, mOverscanBottom);
3968        }
3969
3970        if (!isDefaultDisplay) {
3971            if (attached != null) {
3972                // If this window is attached to another, our display
3973                // frame is the same as the one we are attached to.
3974                setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
3975            } else {
3976                // Give the window full screen.
3977                pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3978                pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3979                pf.right = df.right = of.right = cf.right
3980                        = mOverscanScreenLeft + mOverscanScreenWidth;
3981                pf.bottom = df.bottom = of.bottom = cf.bottom
3982                        = mOverscanScreenTop + mOverscanScreenHeight;
3983            }
3984        } else if (attrs.type == TYPE_INPUT_METHOD) {
3985            pf.left = df.left = of.left = cf.left = vf.left = mDockLeft;
3986            pf.top = df.top = of.top = cf.top = vf.top = mDockTop;
3987            pf.right = df.right = of.right = cf.right = vf.right = mDockRight;
3988            // IM dock windows layout below the nav bar...
3989            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3990            // ...with content insets above the nav bar
3991            cf.bottom = vf.bottom = mStableBottom;
3992            // IM dock windows always go to the bottom of the screen.
3993            attrs.gravity = Gravity.BOTTOM;
3994            mDockLayer = win.getSurfaceLayer();
3995        } else if (attrs.type == TYPE_VOICE_INTERACTION) {
3996            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3997            pf.top = df.top = of.top = mUnrestrictedScreenTop;
3998            pf.right = df.right = of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3999            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4000            cf.bottom = vf.bottom = mStableBottom;
4001            // Note: In Phone landscape mode, the button bar should also be excluded.
4002            cf.right = vf.right = mStableRight;
4003            cf.left = vf.left = mStableLeft;
4004            cf.top = vf.top = mStableTop;
4005        } else if (win == mStatusBar) {
4006            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4007            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4008            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
4009            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight + mUnrestrictedScreenTop;
4010            cf.left = vf.left = mStableLeft;
4011            cf.top = vf.top = mStableTop;
4012            cf.right = vf.right = mStableRight;
4013            vf.bottom = mStableBottom;
4014            cf.bottom = mContentBottom;
4015        } else {
4016
4017            // Default policy decor for the default display
4018            dcf.left = mSystemLeft;
4019            dcf.top = mSystemTop;
4020            dcf.right = mSystemRight;
4021            dcf.bottom = mSystemBottom;
4022            final boolean inheritTranslucentDecor = (attrs.privateFlags
4023                    & WindowManager.LayoutParams.PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR) != 0;
4024            final boolean isAppWindow =
4025                    attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW &&
4026                    attrs.type <= WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
4027            final boolean topAtRest =
4028                    win == mTopFullscreenOpaqueWindowState && !win.isAnimatingLw();
4029            if (isAppWindow && !inheritTranslucentDecor && !topAtRest) {
4030                if ((sysUiFl & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0
4031                        && (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) == 0
4032                        && (fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) == 0
4033                        && (fl & WindowManager.LayoutParams.
4034                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0
4035                        && !mForceWindowDrawsStatusBarBackground) {
4036                    // Ensure policy decor includes status bar
4037                    dcf.top = mStableTop;
4038                }
4039                if ((fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) == 0
4040                        && (sysUiFl & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0
4041                        && (fl & WindowManager.LayoutParams.
4042                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
4043                    // Ensure policy decor includes navigation bar
4044                    dcf.bottom = mStableBottom;
4045                    dcf.right = mStableRight;
4046                }
4047            }
4048
4049            if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
4050                    == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
4051                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle()
4052                            + "): IN_SCREEN, INSET_DECOR");
4053                // This is the case for a normal activity window: we want it
4054                // to cover all of the screen space, and it can take care of
4055                // moving its contents to account for screen decorations that
4056                // intrude into that space.
4057                if (attached != null) {
4058                    // If this window is attached to another, our display
4059                    // frame is the same as the one we are attached to.
4060                    setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4061                } else {
4062                    if (attrs.type == TYPE_STATUS_BAR_PANEL
4063                            || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
4064                        // Status bar panels are the only windows who can go on top of
4065                        // the status bar.  They are protected by the STATUS_BAR_SERVICE
4066                        // permission, so they have the same privileges as the status
4067                        // bar itself.
4068                        //
4069                        // However, they should still dodge the navigation bar if it exists.
4070
4071                        pf.left = df.left = of.left = hasNavBar
4072                                ? mDockLeft : mUnrestrictedScreenLeft;
4073                        pf.top = df.top = of.top = mUnrestrictedScreenTop;
4074                        pf.right = df.right = of.right = hasNavBar
4075                                ? mRestrictedScreenLeft+mRestrictedScreenWidth
4076                                : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4077                        pf.bottom = df.bottom = of.bottom = hasNavBar
4078                                ? mRestrictedScreenTop+mRestrictedScreenHeight
4079                                : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4080
4081                        if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4082                                        "Laying out status bar window: (%d,%d - %d,%d)",
4083                                        pf.left, pf.top, pf.right, pf.bottom));
4084                    } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4085                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4086                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4087                        // Asking to layout into the overscan region, so give it that pure
4088                        // unrestricted area.
4089                        pf.left = df.left = of.left = mOverscanScreenLeft;
4090                        pf.top = df.top = of.top = mOverscanScreenTop;
4091                        pf.right = df.right = of.right = mOverscanScreenLeft + mOverscanScreenWidth;
4092                        pf.bottom = df.bottom = of.bottom = mOverscanScreenTop
4093                                + mOverscanScreenHeight;
4094                    } else if (canHideNavigationBar()
4095                            && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4096                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4097                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4098                        // Asking for layout as if the nav bar is hidden, lets the
4099                        // application extend into the unrestricted overscan screen area.  We
4100                        // only do this for application windows to ensure no window that
4101                        // can be above the nav bar can do this.
4102                        pf.left = df.left = mOverscanScreenLeft;
4103                        pf.top = df.top = mOverscanScreenTop;
4104                        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4105                        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4106                        // We need to tell the app about where the frame inside the overscan
4107                        // is, so it can inset its content by that amount -- it didn't ask
4108                        // to actually extend itself into the overscan region.
4109                        of.left = mUnrestrictedScreenLeft;
4110                        of.top = mUnrestrictedScreenTop;
4111                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4112                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4113                    } else {
4114                        pf.left = df.left = mRestrictedOverscanScreenLeft;
4115                        pf.top = df.top = mRestrictedOverscanScreenTop;
4116                        pf.right = df.right = mRestrictedOverscanScreenLeft
4117                                + mRestrictedOverscanScreenWidth;
4118                        pf.bottom = df.bottom = mRestrictedOverscanScreenTop
4119                                + mRestrictedOverscanScreenHeight;
4120                        // We need to tell the app about where the frame inside the overscan
4121                        // is, so it can inset its content by that amount -- it didn't ask
4122                        // to actually extend itself into the overscan region.
4123                        of.left = mUnrestrictedScreenLeft;
4124                        of.top = mUnrestrictedScreenTop;
4125                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4126                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4127                    }
4128
4129                    if ((fl & FLAG_FULLSCREEN) == 0) {
4130                        if (win.isVoiceInteraction()) {
4131                            cf.left = mVoiceContentLeft;
4132                            cf.top = mVoiceContentTop;
4133                            cf.right = mVoiceContentRight;
4134                            cf.bottom = mVoiceContentBottom;
4135                        } else {
4136                            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4137                                cf.left = mDockLeft;
4138                                cf.top = mDockTop;
4139                                cf.right = mDockRight;
4140                                cf.bottom = mDockBottom;
4141                            } else {
4142                                cf.left = mContentLeft;
4143                                cf.top = mContentTop;
4144                                cf.right = mContentRight;
4145                                cf.bottom = mContentBottom;
4146                            }
4147                        }
4148                    } else {
4149                        // Full screen windows are always given a layout that is as if the
4150                        // status bar and other transient decors are gone.  This is to avoid
4151                        // bad states when moving from a window that is not hding the
4152                        // status bar to one that is.
4153                        cf.left = mRestrictedScreenLeft;
4154                        cf.top = mRestrictedScreenTop;
4155                        cf.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
4156                        cf.bottom = mRestrictedScreenTop + mRestrictedScreenHeight;
4157                    }
4158                    applyStableConstraints(sysUiFl, fl, cf);
4159                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4160                        vf.left = mCurLeft;
4161                        vf.top = mCurTop;
4162                        vf.right = mCurRight;
4163                        vf.bottom = mCurBottom;
4164                    } else {
4165                        vf.set(cf);
4166                    }
4167                }
4168            } else if ((fl & FLAG_LAYOUT_IN_SCREEN) != 0 || (sysUiFl
4169                    & (View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
4170                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION)) != 0) {
4171                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4172                        "): IN_SCREEN");
4173                // A window that has requested to fill the entire screen just
4174                // gets everything, period.
4175                if (attrs.type == TYPE_STATUS_BAR_PANEL
4176                        || attrs.type == TYPE_STATUS_BAR_SUB_PANEL
4177                        || attrs.type == TYPE_VOLUME_OVERLAY) {
4178                    pf.left = df.left = of.left = cf.left = hasNavBar
4179                            ? mDockLeft : mUnrestrictedScreenLeft;
4180                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4181                    pf.right = df.right = of.right = cf.right = hasNavBar
4182                                        ? mRestrictedScreenLeft+mRestrictedScreenWidth
4183                                        : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4184                    pf.bottom = df.bottom = of.bottom = cf.bottom = hasNavBar
4185                                          ? mRestrictedScreenTop+mRestrictedScreenHeight
4186                                          : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4187                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4188                                    "Laying out IN_SCREEN status bar window: (%d,%d - %d,%d)",
4189                                    pf.left, pf.top, pf.right, pf.bottom));
4190                } else if (attrs.type == TYPE_NAVIGATION_BAR
4191                        || attrs.type == TYPE_NAVIGATION_BAR_PANEL) {
4192                    // The navigation bar has Real Ultimate Power.
4193                    pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4194                    pf.top = df.top = of.top = mUnrestrictedScreenTop;
4195                    pf.right = df.right = of.right = mUnrestrictedScreenLeft
4196                            + mUnrestrictedScreenWidth;
4197                    pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop
4198                            + mUnrestrictedScreenHeight;
4199                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4200                                    "Laying out navigation bar window: (%d,%d - %d,%d)",
4201                                    pf.left, pf.top, pf.right, pf.bottom));
4202                } else if ((attrs.type == TYPE_SECURE_SYSTEM_OVERLAY
4203                                || attrs.type == TYPE_BOOT_PROGRESS)
4204                        && ((fl & FLAG_FULLSCREEN) != 0)) {
4205                    // Fullscreen secure system overlays get what they ask for.
4206                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4207                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4208                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4209                            + mOverscanScreenWidth;
4210                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4211                            + mOverscanScreenHeight;
4212                } else if (attrs.type == TYPE_BOOT_PROGRESS) {
4213                    // Boot progress screen always covers entire display.
4214                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4215                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4216                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4217                            + mOverscanScreenWidth;
4218                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4219                            + mOverscanScreenHeight;
4220                } else if (attrs.type == TYPE_WALLPAPER) {
4221                    // The wallpaper also has Real Ultimate Power, but we want to tell
4222                    // it about the overscan area.
4223                    pf.left = df.left = mOverscanScreenLeft;
4224                    pf.top = df.top = mOverscanScreenTop;
4225                    pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4226                    pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4227                    of.left = cf.left = mUnrestrictedScreenLeft;
4228                    of.top = cf.top = mUnrestrictedScreenTop;
4229                    of.right = cf.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4230                    of.bottom = cf.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4231                } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4232                        && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4233                        && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4234                    // Asking to layout into the overscan region, so give it that pure
4235                    // unrestricted area.
4236                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4237                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4238                    pf.right = df.right = of.right = cf.right
4239                            = mOverscanScreenLeft + mOverscanScreenWidth;
4240                    pf.bottom = df.bottom = of.bottom = cf.bottom
4241                            = mOverscanScreenTop + mOverscanScreenHeight;
4242                } else if (canHideNavigationBar()
4243                        && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4244                        && (attrs.type == TYPE_STATUS_BAR
4245                            || attrs.type == TYPE_TOAST
4246                            || attrs.type == TYPE_DOCK_DIVIDER
4247                            || attrs.type == TYPE_VOICE_INTERACTION_STARTING
4248                            || (attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4249                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW))) {
4250                    // Asking for layout as if the nav bar is hidden, lets the
4251                    // application extend into the unrestricted screen area.  We
4252                    // only do this for application windows (or toasts) to ensure no window that
4253                    // can be above the nav bar can do this.
4254                    // XXX This assumes that an app asking for this will also
4255                    // ask for layout in only content.  We can't currently figure out
4256                    // what the screen would be if only laying out to hide the nav bar.
4257                    pf.left = df.left = of.left = cf.left = mUnrestrictedScreenLeft;
4258                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4259                    pf.right = df.right = of.right = cf.right = mUnrestrictedScreenLeft
4260                            + mUnrestrictedScreenWidth;
4261                    pf.bottom = df.bottom = of.bottom = cf.bottom = mUnrestrictedScreenTop
4262                            + mUnrestrictedScreenHeight;
4263                } else {
4264                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4265                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4266                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4267                            + mRestrictedScreenWidth;
4268                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4269                            + mRestrictedScreenHeight;
4270                }
4271
4272                applyStableConstraints(sysUiFl, fl, cf);
4273
4274                if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4275                    vf.left = mCurLeft;
4276                    vf.top = mCurTop;
4277                    vf.right = mCurRight;
4278                    vf.bottom = mCurBottom;
4279                } else {
4280                    vf.set(cf);
4281                }
4282            } else if (attached != null) {
4283                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4284                        "): attached to " + attached);
4285                // A child window should be placed inside of the same visible
4286                // frame that its parent had.
4287                setAttachedWindowFrames(win, fl, adjust, attached, false, pf, df, of, cf, vf);
4288            } else {
4289                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4290                        "): normal window");
4291                // Otherwise, a normal window must be placed inside the content
4292                // of all screen decorations.
4293                if (attrs.type == TYPE_STATUS_BAR_PANEL || attrs.type == TYPE_VOLUME_OVERLAY) {
4294                    // Status bar panels and the volume dialog are the only windows who can go on
4295                    // top of the status bar.  They are protected by the STATUS_BAR_SERVICE
4296                    // permission, so they have the same privileges as the status
4297                    // bar itself.
4298                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4299                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4300                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4301                            + mRestrictedScreenWidth;
4302                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4303                            + mRestrictedScreenHeight;
4304                } else if (attrs.type == TYPE_TOAST || attrs.type == TYPE_SYSTEM_ALERT) {
4305                    // These dialogs are stable to interim decor changes.
4306                    pf.left = df.left = of.left = cf.left = mStableLeft;
4307                    pf.top = df.top = of.top = cf.top = mStableTop;
4308                    pf.right = df.right = of.right = cf.right = mStableRight;
4309                    pf.bottom = df.bottom = of.bottom = cf.bottom = mStableBottom;
4310                } else {
4311                    pf.left = mContentLeft;
4312                    pf.top = mContentTop;
4313                    pf.right = mContentRight;
4314                    pf.bottom = mContentBottom;
4315                    if (win.isVoiceInteraction()) {
4316                        df.left = of.left = cf.left = mVoiceContentLeft;
4317                        df.top = of.top = cf.top = mVoiceContentTop;
4318                        df.right = of.right = cf.right = mVoiceContentRight;
4319                        df.bottom = of.bottom = cf.bottom = mVoiceContentBottom;
4320                    } else if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4321                        df.left = of.left = cf.left = mDockLeft;
4322                        df.top = of.top = cf.top = mDockTop;
4323                        df.right = of.right = cf.right = mDockRight;
4324                        df.bottom = of.bottom = cf.bottom = mDockBottom;
4325                    } else {
4326                        df.left = of.left = cf.left = mContentLeft;
4327                        df.top = of.top = cf.top = mContentTop;
4328                        df.right = of.right = cf.right = mContentRight;
4329                        df.bottom = of.bottom = cf.bottom = mContentBottom;
4330                    }
4331                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4332                        vf.left = mCurLeft;
4333                        vf.top = mCurTop;
4334                        vf.right = mCurRight;
4335                        vf.bottom = mCurBottom;
4336                    } else {
4337                        vf.set(cf);
4338                    }
4339                }
4340            }
4341        }
4342
4343        // TYPE_SYSTEM_ERROR is above the NavigationBar so it can't be allowed to extend over it.
4344        if ((fl & FLAG_LAYOUT_NO_LIMITS) != 0 && attrs.type != TYPE_SYSTEM_ERROR) {
4345            df.left = df.top = -10000;
4346            df.right = df.bottom = 10000;
4347            if (attrs.type != TYPE_WALLPAPER) {
4348                of.left = of.top = cf.left = cf.top = vf.left = vf.top = -10000;
4349                of.right = of.bottom = cf.right = cf.bottom = vf.right = vf.bottom = 10000;
4350            }
4351        }
4352
4353        // If the device has a chin (e.g. some watches), a dead area at the bottom of the screen we
4354        // need to provide information to the clients that want to pretend that you can draw there.
4355        // We only want to apply outsets to certain types of windows. For example, we never want to
4356        // apply the outsets to floating dialogs, because they wouldn't make sense there.
4357        final boolean useOutsets = shouldUseOutsets(attrs, fl);
4358        if (isDefaultDisplay && useOutsets) {
4359            osf = mTmpOutsetFrame;
4360            osf.set(cf.left, cf.top, cf.right, cf.bottom);
4361            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
4362            if (outset > 0) {
4363                int rotation = mDisplayRotation;
4364                if (rotation == Surface.ROTATION_0) {
4365                    osf.bottom += outset;
4366                } else if (rotation == Surface.ROTATION_90) {
4367                    osf.right += outset;
4368                } else if (rotation == Surface.ROTATION_180) {
4369                    osf.top -= outset;
4370                } else if (rotation == Surface.ROTATION_270) {
4371                    osf.left -= outset;
4372                }
4373                if (DEBUG_LAYOUT) Slog.v(TAG, "applying bottom outset of " + outset
4374                        + " with rotation " + rotation + ", result: " + osf);
4375            }
4376        }
4377
4378        if (DEBUG_LAYOUT) Slog.v(TAG, "Compute frame " + attrs.getTitle()
4379                + ": sim=#" + Integer.toHexString(sim)
4380                + " attach=" + attached + " type=" + attrs.type
4381                + String.format(" flags=0x%08x", fl)
4382                + " pf=" + pf.toShortString() + " df=" + df.toShortString()
4383                + " of=" + of.toShortString()
4384                + " cf=" + cf.toShortString() + " vf=" + vf.toShortString()
4385                + " dcf=" + dcf.toShortString()
4386                + " sf=" + sf.toShortString()
4387                + " osf=" + (osf == null ? "null" : osf.toShortString()));
4388
4389        win.computeFrameLw(pf, df, of, cf, vf, dcf, sf, osf);
4390
4391        // Dock windows carve out the bottom of the screen, so normal windows
4392        // can't appear underneath them.
4393        if (attrs.type == TYPE_INPUT_METHOD && win.isVisibleOrBehindKeyguardLw()
4394                && !win.getGivenInsetsPendingLw()) {
4395            setLastInputMethodWindowLw(null, null);
4396            offsetInputMethodWindowLw(win);
4397        }
4398        if (attrs.type == TYPE_VOICE_INTERACTION && win.isVisibleOrBehindKeyguardLw()
4399                && !win.getGivenInsetsPendingLw()) {
4400            offsetVoiceInputWindowLw(win);
4401        }
4402    }
4403
4404    private void offsetInputMethodWindowLw(WindowState win) {
4405        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4406        top += win.getGivenContentInsetsLw().top;
4407        if (mContentBottom > top) {
4408            mContentBottom = top;
4409        }
4410        if (mVoiceContentBottom > top) {
4411            mVoiceContentBottom = top;
4412        }
4413        top = win.getVisibleFrameLw().top;
4414        top += win.getGivenVisibleInsetsLw().top;
4415        if (mCurBottom > top) {
4416            mCurBottom = top;
4417        }
4418        if (DEBUG_LAYOUT) Slog.v(TAG, "Input method: mDockBottom="
4419                + mDockBottom + " mContentBottom="
4420                + mContentBottom + " mCurBottom=" + mCurBottom);
4421    }
4422
4423    private void offsetVoiceInputWindowLw(WindowState win) {
4424        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4425        top += win.getGivenContentInsetsLw().top;
4426        if (mVoiceContentBottom > top) {
4427            mVoiceContentBottom = top;
4428        }
4429    }
4430
4431    /** {@inheritDoc} */
4432    @Override
4433    public void finishLayoutLw() {
4434        return;
4435    }
4436
4437    /** {@inheritDoc} */
4438    @Override
4439    public void beginPostLayoutPolicyLw(int displayWidth, int displayHeight) {
4440        mTopFullscreenOpaqueWindowState = null;
4441        mTopFullscreenOpaqueOrDimmingWindowState = null;
4442        mAppsToBeHidden.clear();
4443        mAppsThatDismissKeyguard.clear();
4444        mForceStatusBar = false;
4445        mForceStatusBarFromKeyguard = false;
4446        mForceStatusBarTransparent = false;
4447        mForcingShowNavBar = false;
4448        mForcingShowNavBarLayer = -1;
4449
4450        mHideLockScreen = false;
4451        mAllowLockscreenWhenOn = false;
4452        mDismissKeyguard = DISMISS_KEYGUARD_NONE;
4453        mShowingLockscreen = false;
4454        mShowingDream = false;
4455        mWinShowWhenLocked = null;
4456        mKeyguardSecure = isKeyguardSecure();
4457        mKeyguardSecureIncludingHidden = mKeyguardSecure
4458                && (mKeyguardDelegate != null && mKeyguardDelegate.isShowing());
4459    }
4460
4461    /** {@inheritDoc} */
4462    @Override
4463    public void applyPostLayoutPolicyLw(WindowState win, WindowManager.LayoutParams attrs,
4464            WindowState attached) {
4465        if (DEBUG_LAYOUT) Slog.i(TAG, "Win " + win + ": isVisibleOrBehindKeyguardLw="
4466                + win.isVisibleOrBehindKeyguardLw());
4467        final int fl = PolicyControl.getWindowFlags(win, attrs);
4468        if (mTopFullscreenOpaqueWindowState == null
4469                && win.isVisibleLw() && attrs.type == TYPE_INPUT_METHOD) {
4470            mForcingShowNavBar = true;
4471            mForcingShowNavBarLayer = win.getSurfaceLayer();
4472        }
4473        if (attrs.type == TYPE_STATUS_BAR) {
4474            if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4475                mForceStatusBarFromKeyguard = true;
4476                mShowingLockscreen = true;
4477            }
4478            if ((attrs.privateFlags & PRIVATE_FLAG_FORCE_STATUS_BAR_VISIBLE_TRANSPARENT) != 0) {
4479                mForceStatusBarTransparent = true;
4480            }
4481        }
4482
4483        boolean appWindow = attrs.type >= FIRST_APPLICATION_WINDOW
4484                && attrs.type < FIRST_SYSTEM_WINDOW;
4485        final boolean showWhenLocked = (fl & FLAG_SHOW_WHEN_LOCKED) != 0;
4486        final boolean dismissKeyguard = (fl & FLAG_DISMISS_KEYGUARD) != 0;
4487
4488        if (mTopFullscreenOpaqueWindowState == null &&
4489                win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()) {
4490            if ((fl & FLAG_FORCE_NOT_FULLSCREEN) != 0) {
4491                if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4492                    mForceStatusBarFromKeyguard = true;
4493                } else {
4494                    mForceStatusBar = true;
4495                }
4496            }
4497            if (attrs.type == TYPE_DREAM) {
4498                // If the lockscreen was showing when the dream started then wait
4499                // for the dream to draw before hiding the lockscreen.
4500                if (!mDreamingLockscreen
4501                        || (win.isVisibleLw() && win.hasDrawnLw())) {
4502                    mShowingDream = true;
4503                    appWindow = true;
4504                }
4505            }
4506
4507            final IApplicationToken appToken = win.getAppToken();
4508
4509            // For app windows that are not attached, we decide if all windows in the app they
4510            // represent should be hidden or if we should hide the lockscreen. For attached app
4511            // windows we defer the decision to the window it is attached to.
4512            if (appWindow && attached == null) {
4513                if (showWhenLocked) {
4514                    // Remove any previous windows with the same appToken.
4515                    mAppsToBeHidden.remove(appToken);
4516                    mAppsThatDismissKeyguard.remove(appToken);
4517                    if (mAppsToBeHidden.isEmpty()) {
4518                        if (dismissKeyguard && !mKeyguardSecure) {
4519                            mAppsThatDismissKeyguard.add(appToken);
4520                        } else if (win.isDrawnLw() || win.hasAppShownWindows()) {
4521                            mWinShowWhenLocked = win;
4522                            mHideLockScreen = true;
4523                            mForceStatusBarFromKeyguard = false;
4524                        }
4525                    }
4526                } else if (dismissKeyguard) {
4527                    if (mKeyguardSecure) {
4528                        mAppsToBeHidden.add(appToken);
4529                    } else {
4530                        mAppsToBeHidden.remove(appToken);
4531                    }
4532                    mAppsThatDismissKeyguard.add(appToken);
4533                } else {
4534                    mAppsToBeHidden.add(appToken);
4535                }
4536                if (attrs.x == 0 && attrs.y == 0
4537                        && attrs.width == WindowManager.LayoutParams.MATCH_PARENT
4538                        && attrs.height == WindowManager.LayoutParams.MATCH_PARENT) {
4539                    if (DEBUG_LAYOUT) Slog.v(TAG, "Fullscreen window: " + win);
4540                    mTopFullscreenOpaqueWindowState = win;
4541                    if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
4542                        mTopFullscreenOpaqueOrDimmingWindowState = win;
4543                    }
4544                    if (!mAppsThatDismissKeyguard.isEmpty() &&
4545                            mDismissKeyguard == DISMISS_KEYGUARD_NONE) {
4546                        if (DEBUG_LAYOUT) Slog.v(TAG,
4547                                "Setting mDismissKeyguard true by win " + win);
4548                        mDismissKeyguard = (mWinDismissingKeyguard == win
4549                                && mSecureDismissingKeyguard == mKeyguardSecure)
4550                                ? DISMISS_KEYGUARD_CONTINUE : DISMISS_KEYGUARD_START;
4551                        mWinDismissingKeyguard = win;
4552                        mSecureDismissingKeyguard = mKeyguardSecure;
4553                        mForceStatusBarFromKeyguard = mShowingLockscreen && mKeyguardSecure;
4554                    } else if (mAppsToBeHidden.isEmpty() && showWhenLocked
4555                            && (win.isDrawnLw() || win.hasAppShownWindows())) {
4556                        if (DEBUG_LAYOUT) Slog.v(TAG,
4557                                "Setting mHideLockScreen to true by win " + win);
4558                        mHideLockScreen = true;
4559                        mForceStatusBarFromKeyguard = false;
4560                    }
4561                    if ((fl & FLAG_ALLOW_LOCK_WHILE_SCREEN_ON) != 0) {
4562                        mAllowLockscreenWhenOn = true;
4563                    }
4564                }
4565
4566                if (mWinShowWhenLocked != null &&
4567                        mWinShowWhenLocked.getAppToken() != win.getAppToken() &&
4568                        (attrs.flags & FLAG_SHOW_WHEN_LOCKED) == 0) {
4569                    win.hideLw(false);
4570                }
4571            }
4572        } else if (mTopFullscreenOpaqueWindowState == null && mWinShowWhenLocked == null) {
4573            // No TopFullscreenOpaqueWindow is showing, but we found a SHOW_WHEN_LOCKED window
4574            // that is being hidden in an animation - keep the
4575            // keyguard hidden until the new window shows up and
4576            // we know whether to show the keyguard or not.
4577            if (win.isAnimatingLw() && appWindow && showWhenLocked && mKeyguardHidden) {
4578                mHideLockScreen = true;
4579                mWinShowWhenLocked = win;
4580            }
4581        }
4582        if (mTopFullscreenOpaqueOrDimmingWindowState == null
4583                && win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()
4584                && win.isDimming()) {
4585            mTopFullscreenOpaqueOrDimmingWindowState = win;
4586        }
4587    }
4588
4589    /** {@inheritDoc} */
4590    @Override
4591    public int finishPostLayoutPolicyLw() {
4592        if (mWinShowWhenLocked != null && mTopFullscreenOpaqueWindowState != null &&
4593                mWinShowWhenLocked.getAppToken() != mTopFullscreenOpaqueWindowState.getAppToken()
4594                && isKeyguardLocked()) {
4595            // A dialog is dismissing the keyguard. Put the wallpaper behind it and hide the
4596            // fullscreen window.
4597            // TODO: Make sure FLAG_SHOW_WALLPAPER is restored when dialog is dismissed. Or not.
4598            mWinShowWhenLocked.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
4599            mTopFullscreenOpaqueWindowState.hideLw(false);
4600            mTopFullscreenOpaqueWindowState = mWinShowWhenLocked;
4601        }
4602
4603        int changes = 0;
4604        boolean topIsFullscreen = false;
4605
4606        final WindowManager.LayoutParams lp = (mTopFullscreenOpaqueWindowState != null)
4607                ? mTopFullscreenOpaqueWindowState.getAttrs()
4608                : null;
4609
4610        // If we are not currently showing a dream then remember the current
4611        // lockscreen state.  We will use this to determine whether the dream
4612        // started while the lockscreen was showing and remember this state
4613        // while the dream is showing.
4614        if (!mShowingDream) {
4615            mDreamingLockscreen = mShowingLockscreen;
4616            if (mDreamingSleepTokenNeeded) {
4617                mDreamingSleepTokenNeeded = false;
4618                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 0, 1).sendToTarget();
4619            }
4620        } else {
4621            if (!mDreamingSleepTokenNeeded) {
4622                mDreamingSleepTokenNeeded = true;
4623                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 1, 1).sendToTarget();
4624            }
4625        }
4626
4627        if (mStatusBar != null) {
4628            if (DEBUG_LAYOUT) Slog.i(TAG, "force=" + mForceStatusBar
4629                    + " forcefkg=" + mForceStatusBarFromKeyguard
4630                    + " top=" + mTopFullscreenOpaqueWindowState);
4631            boolean shouldBeTransparent = mForceStatusBarTransparent
4632                    && !mForceStatusBar
4633                    && !mForceStatusBarFromKeyguard;
4634            if (!shouldBeTransparent) {
4635                mStatusBarController.setShowTransparent(false /* transparent */);
4636            } else if (!mStatusBar.isVisibleLw()) {
4637                mStatusBarController.setShowTransparent(true /* transparent */);
4638            }
4639            if (mForceStatusBar || mForceStatusBarFromKeyguard || mForceStatusBarTransparent) {
4640                if (DEBUG_LAYOUT) Slog.v(TAG, "Showing status bar: forced");
4641                if (mStatusBarController.setBarShowingLw(true)) {
4642                    changes |= FINISH_LAYOUT_REDO_LAYOUT;
4643                }
4644                // Maintain fullscreen layout until incoming animation is complete.
4645                topIsFullscreen = mTopIsFullscreen && mStatusBar.isAnimatingLw();
4646                // Transient status bar on the lockscreen is not allowed
4647                if (mForceStatusBarFromKeyguard && mStatusBarController.isTransientShowing()) {
4648                    mStatusBarController.updateVisibilityLw(false /*transientAllowed*/,
4649                            mLastSystemUiFlags, mLastSystemUiFlags);
4650                }
4651            } else if (mTopFullscreenOpaqueWindowState != null) {
4652                final int fl = PolicyControl.getWindowFlags(null, lp);
4653                if (localLOGV) {
4654                    Slog.d(TAG, "frame: " + mTopFullscreenOpaqueWindowState.getFrameLw()
4655                            + " shown position: "
4656                            + mTopFullscreenOpaqueWindowState.getShownPositionLw());
4657                    Slog.d(TAG, "attr: " + mTopFullscreenOpaqueWindowState.getAttrs()
4658                            + " lp.flags=0x" + Integer.toHexString(fl));
4659                }
4660                topIsFullscreen = (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0
4661                        || (mLastSystemUiFlags & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
4662                // The subtle difference between the window for mTopFullscreenOpaqueWindowState
4663                // and mTopIsFullscreen is that mTopIsFullscreen is set only if the window
4664                // has the FLAG_FULLSCREEN set.  Not sure if there is another way that to be the
4665                // case though.
4666                if (mStatusBarController.isTransientShowing()) {
4667                    if (mStatusBarController.setBarShowingLw(true)) {
4668                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4669                    }
4670                } else if (topIsFullscreen
4671                        && !mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID)
4672                        && !mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID)) {
4673                    if (DEBUG_LAYOUT) Slog.v(TAG, "** HIDING status bar");
4674                    if (mStatusBarController.setBarShowingLw(false)) {
4675                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4676                    } else {
4677                        if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar already hiding");
4678                    }
4679                } else {
4680                    if (DEBUG_LAYOUT) Slog.v(TAG, "** SHOWING status bar: top is not fullscreen");
4681                    if (mStatusBarController.setBarShowingLw(true)) {
4682                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4683                    }
4684                }
4685            }
4686        }
4687
4688        if (mTopIsFullscreen != topIsFullscreen) {
4689            if (!topIsFullscreen) {
4690                // Force another layout when status bar becomes fully shown.
4691                changes |= FINISH_LAYOUT_REDO_LAYOUT;
4692            }
4693            mTopIsFullscreen = topIsFullscreen;
4694        }
4695
4696        // Hide the key guard if a visible window explicitly specifies that it wants to be
4697        // displayed when the screen is locked.
4698        if (mKeyguardDelegate != null && mStatusBar != null) {
4699            if (localLOGV) Slog.v(TAG, "finishPostLayoutPolicyLw: mHideKeyguard="
4700                    + mHideLockScreen);
4701            if (mDismissKeyguard != DISMISS_KEYGUARD_NONE && !mKeyguardSecure) {
4702                mKeyguardHidden = true;
4703                if (setKeyguardOccludedLw(true)) {
4704                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4705                            | FINISH_LAYOUT_REDO_CONFIG
4706                            | FINISH_LAYOUT_REDO_WALLPAPER;
4707                }
4708                if (mKeyguardDelegate.isShowing()) {
4709                    mHandler.post(new Runnable() {
4710                        @Override
4711                        public void run() {
4712                            mKeyguardDelegate.keyguardDone(false, false);
4713                        }
4714                    });
4715                }
4716            } else if (mHideLockScreen) {
4717                mKeyguardHidden = true;
4718                mWinDismissingKeyguard = null;
4719                if (setKeyguardOccludedLw(true)) {
4720                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4721                            | FINISH_LAYOUT_REDO_CONFIG
4722                            | FINISH_LAYOUT_REDO_WALLPAPER;
4723                }
4724            } else if (mDismissKeyguard != DISMISS_KEYGUARD_NONE) {
4725                mKeyguardHidden = false;
4726                if (setKeyguardOccludedLw(false)) {
4727                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4728                            | FINISH_LAYOUT_REDO_CONFIG
4729                            | FINISH_LAYOUT_REDO_WALLPAPER;
4730                }
4731                if (mDismissKeyguard == DISMISS_KEYGUARD_START) {
4732                    // Only launch the next keyguard unlock window once per window.
4733                    mHandler.post(new Runnable() {
4734                        @Override
4735                        public void run() {
4736                            mKeyguardDelegate.dismiss();
4737                        }
4738                    });
4739                }
4740            } else {
4741                mWinDismissingKeyguard = null;
4742                mSecureDismissingKeyguard = false;
4743                mKeyguardHidden = false;
4744                if (setKeyguardOccludedLw(false)) {
4745                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4746                            | FINISH_LAYOUT_REDO_CONFIG
4747                            | FINISH_LAYOUT_REDO_WALLPAPER;
4748                }
4749            }
4750        }
4751
4752        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
4753            // If the navigation bar has been hidden or shown, we need to do another
4754            // layout pass to update that window.
4755            changes |= FINISH_LAYOUT_REDO_LAYOUT;
4756        }
4757
4758        // update since mAllowLockscreenWhenOn might have changed
4759        updateLockScreenTimeout();
4760        return changes;
4761    }
4762
4763    /**
4764     * Updates the occluded state of the Keyguard.
4765     *
4766     * @return Whether the flags have changed and we have to redo the layout.
4767     */
4768    private boolean setKeyguardOccludedLw(boolean isOccluded) {
4769        boolean wasOccluded = mKeyguardOccluded;
4770        boolean showing = mKeyguardDelegate.isShowing();
4771        if (wasOccluded && !isOccluded && showing) {
4772            mKeyguardOccluded = false;
4773            mKeyguardDelegate.setOccluded(false);
4774            mStatusBar.getAttrs().privateFlags |= PRIVATE_FLAG_KEYGUARD;
4775            mStatusBar.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
4776            return true;
4777        } else if (!wasOccluded && isOccluded && showing) {
4778            mKeyguardOccluded = true;
4779            mKeyguardDelegate.setOccluded(true);
4780            mStatusBar.getAttrs().privateFlags &= ~PRIVATE_FLAG_KEYGUARD;
4781            mStatusBar.getAttrs().flags &= ~FLAG_SHOW_WALLPAPER;
4782            return true;
4783        } else {
4784            return false;
4785        }
4786    }
4787
4788    private boolean isStatusBarKeyguard() {
4789        return mStatusBar != null
4790                && (mStatusBar.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
4791    }
4792
4793    @Override
4794    public boolean allowAppAnimationsLw() {
4795        if (isStatusBarKeyguard() || mShowingDream) {
4796            // If keyguard or dreams is currently visible, no reason to animate behind it.
4797            return false;
4798        }
4799        return true;
4800    }
4801
4802    @Override
4803    public int focusChangedLw(WindowState lastFocus, WindowState newFocus) {
4804        mFocusedWindow = newFocus;
4805        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
4806            // If the navigation bar has been hidden or shown, we need to do another
4807            // layout pass to update that window.
4808            return FINISH_LAYOUT_REDO_LAYOUT;
4809        }
4810        return 0;
4811    }
4812
4813    /** {@inheritDoc} */
4814    @Override
4815    public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
4816        // lid changed state
4817        final int newLidState = lidOpen ? LID_OPEN : LID_CLOSED;
4818        if (newLidState == mLidState) {
4819            return;
4820        }
4821
4822        mLidState = newLidState;
4823        applyLidSwitchState();
4824        updateRotation(true);
4825
4826        if (lidOpen) {
4827            wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromLidSwitch,
4828                    "android.policy:LID");
4829        } else if (!mLidControlsSleep) {
4830            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
4831        }
4832    }
4833
4834    @Override
4835    public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) {
4836        int lensCoverState = lensCovered ? CAMERA_LENS_COVERED : CAMERA_LENS_UNCOVERED;
4837        if (mCameraLensCoverState == lensCoverState) {
4838            return;
4839        }
4840        if (mCameraLensCoverState == CAMERA_LENS_COVERED &&
4841                lensCoverState == CAMERA_LENS_UNCOVERED) {
4842            Intent intent;
4843            final boolean keyguardActive = mKeyguardDelegate == null ? false :
4844                    mKeyguardDelegate.isShowing();
4845            if (keyguardActive) {
4846                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);
4847            } else {
4848                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
4849            }
4850            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromCameraLens,
4851                    "android.policy:CAMERA_COVER");
4852            startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
4853        }
4854        mCameraLensCoverState = lensCoverState;
4855    }
4856
4857    void setHdmiPlugged(boolean plugged) {
4858        if (mHdmiPlugged != plugged) {
4859            mHdmiPlugged = plugged;
4860            updateRotation(true, true);
4861            Intent intent = new Intent(ACTION_HDMI_PLUGGED);
4862            intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
4863            intent.putExtra(EXTRA_HDMI_PLUGGED_STATE, plugged);
4864            mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
4865        }
4866    }
4867
4868    void initializeHdmiState() {
4869        boolean plugged = false;
4870        // watch for HDMI plug messages if the hdmi switch exists
4871        if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
4872            mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
4873
4874            final String filename = "/sys/class/switch/hdmi/state";
4875            FileReader reader = null;
4876            try {
4877                reader = new FileReader(filename);
4878                char[] buf = new char[15];
4879                int n = reader.read(buf);
4880                if (n > 1) {
4881                    plugged = 0 != Integer.parseInt(new String(buf, 0, n-1));
4882                }
4883            } catch (IOException ex) {
4884                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
4885            } catch (NumberFormatException ex) {
4886                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
4887            } finally {
4888                if (reader != null) {
4889                    try {
4890                        reader.close();
4891                    } catch (IOException ex) {
4892                    }
4893                }
4894            }
4895        }
4896        // This dance forces the code in setHdmiPlugged to run.
4897        // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
4898        mHdmiPlugged = !plugged;
4899        setHdmiPlugged(!mHdmiPlugged);
4900    }
4901
4902    final Object mScreenshotLock = new Object();
4903    ServiceConnection mScreenshotConnection = null;
4904
4905    final Runnable mScreenshotTimeout = new Runnable() {
4906        @Override public void run() {
4907            synchronized (mScreenshotLock) {
4908                if (mScreenshotConnection != null) {
4909                    mContext.unbindService(mScreenshotConnection);
4910                    mScreenshotConnection = null;
4911                }
4912            }
4913        }
4914    };
4915
4916    // Assume this is called from the Handler thread.
4917    private void takeScreenshot() {
4918        synchronized (mScreenshotLock) {
4919            if (mScreenshotConnection != null) {
4920                return;
4921            }
4922            ComponentName cn = new ComponentName("com.android.systemui",
4923                    "com.android.systemui.screenshot.TakeScreenshotService");
4924            Intent intent = new Intent();
4925            intent.setComponent(cn);
4926            ServiceConnection conn = new ServiceConnection() {
4927                @Override
4928                public void onServiceConnected(ComponentName name, IBinder service) {
4929                    synchronized (mScreenshotLock) {
4930                        if (mScreenshotConnection != this) {
4931                            return;
4932                        }
4933                        Messenger messenger = new Messenger(service);
4934                        Message msg = Message.obtain(null, 1);
4935                        final ServiceConnection myConn = this;
4936                        Handler h = new Handler(mHandler.getLooper()) {
4937                            @Override
4938                            public void handleMessage(Message msg) {
4939                                synchronized (mScreenshotLock) {
4940                                    if (mScreenshotConnection == myConn) {
4941                                        mContext.unbindService(mScreenshotConnection);
4942                                        mScreenshotConnection = null;
4943                                        mHandler.removeCallbacks(mScreenshotTimeout);
4944                                    }
4945                                }
4946                            }
4947                        };
4948                        msg.replyTo = new Messenger(h);
4949                        msg.arg1 = msg.arg2 = 0;
4950                        if (mStatusBar != null && mStatusBar.isVisibleLw())
4951                            msg.arg1 = 1;
4952                        if (mNavigationBar != null && mNavigationBar.isVisibleLw())
4953                            msg.arg2 = 1;
4954                        try {
4955                            messenger.send(msg);
4956                        } catch (RemoteException e) {
4957                        }
4958                    }
4959                }
4960                @Override
4961                public void onServiceDisconnected(ComponentName name) {}
4962            };
4963            if (mContext.bindServiceAsUser(
4964                    intent, conn, Context.BIND_AUTO_CREATE, UserHandle.CURRENT)) {
4965                mScreenshotConnection = conn;
4966                mHandler.postDelayed(mScreenshotTimeout, 10000);
4967            }
4968        }
4969    }
4970
4971    /** {@inheritDoc} */
4972    @Override
4973    public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) {
4974        if (!mSystemBooted) {
4975            // If we have not yet booted, don't let key events do anything.
4976            return 0;
4977        }
4978
4979        final boolean interactive = (policyFlags & FLAG_INTERACTIVE) != 0;
4980        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
4981        final boolean canceled = event.isCanceled();
4982        final int keyCode = event.getKeyCode();
4983
4984        final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;
4985
4986        // If screen is off then we treat the case where the keyguard is open but hidden
4987        // the same as if it were open and in front.
4988        // This will prevent any keys other than the power button from waking the screen
4989        // when the keyguard is hidden by another activity.
4990        final boolean keyguardActive = (mKeyguardDelegate == null ? false :
4991                                            (interactive ?
4992                                                isKeyguardShowingAndNotOccluded() :
4993                                                mKeyguardDelegate.isShowing()));
4994
4995        if (DEBUG_INPUT) {
4996            Log.d(TAG, "interceptKeyTq keycode=" + keyCode
4997                    + " interactive=" + interactive + " keyguardActive=" + keyguardActive
4998                    + " policyFlags=" + Integer.toHexString(policyFlags));
4999        }
5000
5001        // Basic policy based on interactive state.
5002        int result;
5003        boolean isWakeKey = (policyFlags & WindowManagerPolicy.FLAG_WAKE) != 0
5004                || event.isWakeKey();
5005        if (interactive || (isInjected && !isWakeKey)) {
5006            // When the device is interactive or the key is injected pass the
5007            // key to the application.
5008            result = ACTION_PASS_TO_USER;
5009            isWakeKey = false;
5010        } else if (!interactive && shouldDispatchInputWhenNonInteractive()) {
5011            // If we're currently dozing with the screen on and the keyguard showing, pass the key
5012            // to the application but preserve its wake key status to make sure we still move
5013            // from dozing to fully interactive if we would normally go from off to fully
5014            // interactive.
5015            result = ACTION_PASS_TO_USER;
5016        } else {
5017            // When the screen is off and the key is not injected, determine whether
5018            // to wake the device but don't pass the key to the application.
5019            result = 0;
5020            if (isWakeKey && (!down || !isWakeKeyWhenScreenOff(keyCode))) {
5021                isWakeKey = false;
5022            }
5023        }
5024
5025        // If the key would be handled globally, just return the result, don't worry about special
5026        // key processing.
5027        if (isValidGlobalKey(keyCode)
5028                && mGlobalKeyManager.shouldHandleGlobalKey(keyCode, event)) {
5029            if (isWakeKey) {
5030                wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5031            }
5032            return result;
5033        }
5034
5035        boolean useHapticFeedback = down
5036                && (policyFlags & WindowManagerPolicy.FLAG_VIRTUAL) != 0
5037                && event.getRepeatCount() == 0;
5038
5039        // Handle special keys.
5040        switch (keyCode) {
5041            case KeyEvent.KEYCODE_VOLUME_DOWN:
5042            case KeyEvent.KEYCODE_VOLUME_UP:
5043            case KeyEvent.KEYCODE_VOLUME_MUTE: {
5044                if (mUseTvRouting) {
5045                    // On TVs volume keys never go to the foreground app
5046                    result &= ~ACTION_PASS_TO_USER;
5047                }
5048                if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
5049                    if (down) {
5050                        if (interactive && !mScreenshotChordVolumeDownKeyTriggered
5051                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5052                            mScreenshotChordVolumeDownKeyTriggered = true;
5053                            mScreenshotChordVolumeDownKeyTime = event.getDownTime();
5054                            mScreenshotChordVolumeDownKeyConsumed = false;
5055                            cancelPendingPowerKeyAction();
5056                            interceptScreenshotChord();
5057                        }
5058                    } else {
5059                        mScreenshotChordVolumeDownKeyTriggered = false;
5060                        cancelPendingScreenshotChordAction();
5061                    }
5062                } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
5063                    if (down) {
5064                        if (interactive && !mScreenshotChordVolumeUpKeyTriggered
5065                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5066                            mScreenshotChordVolumeUpKeyTriggered = true;
5067                            cancelPendingPowerKeyAction();
5068                            cancelPendingScreenshotChordAction();
5069                        }
5070                    } else {
5071                        mScreenshotChordVolumeUpKeyTriggered = false;
5072                        cancelPendingScreenshotChordAction();
5073                    }
5074                }
5075                if (down) {
5076                    TelecomManager telecomManager = getTelecommService();
5077                    if (telecomManager != null) {
5078                        if (telecomManager.isRinging()) {
5079                            // If an incoming call is ringing, either VOLUME key means
5080                            // "silence ringer".  We handle these keys here, rather than
5081                            // in the InCallScreen, to make sure we'll respond to them
5082                            // even if the InCallScreen hasn't come to the foreground yet.
5083                            // Look for the DOWN event here, to agree with the "fallback"
5084                            // behavior in the InCallScreen.
5085                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5086                                  + " VOLUME key-down while ringing: Silence ringer!");
5087
5088                            // Silence the ringer.  (It's safe to call this
5089                            // even if the ringer has already been silenced.)
5090                            telecomManager.silenceRinger();
5091
5092                            // And *don't* pass this key thru to the current activity
5093                            // (which is probably the InCallScreen.)
5094                            result &= ~ACTION_PASS_TO_USER;
5095                            break;
5096                        }
5097                        if (telecomManager.isInCall()
5098                                && (result & ACTION_PASS_TO_USER) == 0) {
5099                            // If we are in call but we decided not to pass the key to
5100                            // the application, just pass it to the session service.
5101
5102                            MediaSessionLegacyHelper.getHelper(mContext)
5103                                    .sendVolumeKeyEvent(event, false);
5104                            break;
5105                        }
5106                    }
5107
5108                    if ((result & ACTION_PASS_TO_USER) == 0) {
5109                        if (mUseTvRouting) {
5110                            dispatchDirectAudioEvent(event);
5111                        } else {
5112                            // If we aren't passing to the user and no one else
5113                            // handled it send it to the session manager to
5114                            // figure out.
5115                            MediaSessionLegacyHelper.getHelper(mContext)
5116                                    .sendVolumeKeyEvent(event, true);
5117                        }
5118                        break;
5119                    }
5120                }
5121                break;
5122            }
5123
5124            case KeyEvent.KEYCODE_ENDCALL: {
5125                result &= ~ACTION_PASS_TO_USER;
5126                if (down) {
5127                    TelecomManager telecomManager = getTelecommService();
5128                    boolean hungUp = false;
5129                    if (telecomManager != null) {
5130                        hungUp = telecomManager.endCall();
5131                    }
5132                    if (interactive && !hungUp) {
5133                        mEndCallKeyHandled = false;
5134                        mHandler.postDelayed(mEndCallLongPress,
5135                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
5136                    } else {
5137                        mEndCallKeyHandled = true;
5138                    }
5139                } else {
5140                    if (!mEndCallKeyHandled) {
5141                        mHandler.removeCallbacks(mEndCallLongPress);
5142                        if (!canceled) {
5143                            if ((mEndcallBehavior
5144                                    & Settings.System.END_BUTTON_BEHAVIOR_HOME) != 0) {
5145                                if (goHome()) {
5146                                    break;
5147                                }
5148                            }
5149                            if ((mEndcallBehavior
5150                                    & Settings.System.END_BUTTON_BEHAVIOR_SLEEP) != 0) {
5151                                mPowerManager.goToSleep(event.getEventTime(),
5152                                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
5153                                isWakeKey = false;
5154                            }
5155                        }
5156                    }
5157                }
5158                break;
5159            }
5160
5161            case KeyEvent.KEYCODE_POWER: {
5162                result &= ~ACTION_PASS_TO_USER;
5163                isWakeKey = false; // wake-up will be handled separately
5164                if (down) {
5165                    interceptPowerKeyDown(event, interactive);
5166                } else {
5167                    interceptPowerKeyUp(event, interactive, canceled);
5168                }
5169                break;
5170            }
5171
5172            case KeyEvent.KEYCODE_SLEEP: {
5173                result &= ~ACTION_PASS_TO_USER;
5174                isWakeKey = false;
5175                if (!mPowerManager.isInteractive()) {
5176                    useHapticFeedback = false; // suppress feedback if already non-interactive
5177                }
5178                if (down) {
5179                    sleepPress(event.getEventTime());
5180                } else {
5181                    sleepRelease(event.getEventTime());
5182                }
5183                break;
5184            }
5185
5186            case KeyEvent.KEYCODE_SOFT_SLEEP: {
5187                result &= ~ACTION_PASS_TO_USER;
5188                isWakeKey = false;
5189                if (!down) {
5190                    mPowerManagerInternal.setUserInactiveOverrideFromWindowManager();
5191                }
5192                break;
5193            }
5194
5195            case KeyEvent.KEYCODE_WAKEUP: {
5196                result &= ~ACTION_PASS_TO_USER;
5197                isWakeKey = true;
5198                break;
5199            }
5200
5201            case KeyEvent.KEYCODE_MEDIA_PLAY:
5202            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5203            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5204            case KeyEvent.KEYCODE_HEADSETHOOK:
5205            case KeyEvent.KEYCODE_MUTE:
5206            case KeyEvent.KEYCODE_MEDIA_STOP:
5207            case KeyEvent.KEYCODE_MEDIA_NEXT:
5208            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5209            case KeyEvent.KEYCODE_MEDIA_REWIND:
5210            case KeyEvent.KEYCODE_MEDIA_RECORD:
5211            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5212            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: {
5213                if (MediaSessionLegacyHelper.getHelper(mContext).isGlobalPriorityActive()) {
5214                    // If the global session is active pass all media keys to it
5215                    // instead of the active window.
5216                    result &= ~ACTION_PASS_TO_USER;
5217                }
5218                if ((result & ACTION_PASS_TO_USER) == 0) {
5219                    // Only do this if we would otherwise not pass it to the user. In that
5220                    // case, the PhoneWindow class will do the same thing, except it will
5221                    // only do it if the showing app doesn't process the key on its own.
5222                    // Note that we need to make a copy of the key event here because the
5223                    // original key event will be recycled when we return.
5224                    mBroadcastWakeLock.acquire();
5225                    Message msg = mHandler.obtainMessage(MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK,
5226                            new KeyEvent(event));
5227                    msg.setAsynchronous(true);
5228                    msg.sendToTarget();
5229                }
5230                break;
5231            }
5232
5233            case KeyEvent.KEYCODE_CALL: {
5234                if (down) {
5235                    TelecomManager telecomManager = getTelecommService();
5236                    if (telecomManager != null) {
5237                        if (telecomManager.isRinging()) {
5238                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5239                                  + " CALL key-down while ringing: Answer the call!");
5240                            telecomManager.acceptRingingCall();
5241
5242                            // And *don't* pass this key thru to the current activity
5243                            // (which is presumably the InCallScreen.)
5244                            result &= ~ACTION_PASS_TO_USER;
5245                        }
5246                    }
5247                }
5248                break;
5249            }
5250            case KeyEvent.KEYCODE_VOICE_ASSIST: {
5251                // Only do this if we would otherwise not pass it to the user. In that case,
5252                // interceptKeyBeforeDispatching would apply a similar but different policy in
5253                // order to invoke voice assist actions. Note that we need to make a copy of the
5254                // key event here because the original key event will be recycled when we return.
5255                if ((result & ACTION_PASS_TO_USER) == 0 && !down) {
5256                    mBroadcastWakeLock.acquire();
5257                    Message msg = mHandler.obtainMessage(MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK,
5258                            keyguardActive ? 1 : 0, 0);
5259                    msg.setAsynchronous(true);
5260                    msg.sendToTarget();
5261                }
5262            }
5263        }
5264
5265        if (useHapticFeedback) {
5266            performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
5267        }
5268
5269        if (isWakeKey) {
5270            wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5271        }
5272
5273        return result;
5274    }
5275
5276    /**
5277     * Returns true if the key can have global actions attached to it.
5278     * We reserve all power management keys for the system since they require
5279     * very careful handling.
5280     */
5281    private static boolean isValidGlobalKey(int keyCode) {
5282        switch (keyCode) {
5283            case KeyEvent.KEYCODE_POWER:
5284            case KeyEvent.KEYCODE_WAKEUP:
5285            case KeyEvent.KEYCODE_SLEEP:
5286                return false;
5287            default:
5288                return true;
5289        }
5290    }
5291
5292    /**
5293     * When the screen is off we ignore some keys that might otherwise typically
5294     * be considered wake keys.  We filter them out here.
5295     *
5296     * {@link KeyEvent#KEYCODE_POWER} is notably absent from this list because it
5297     * is always considered a wake key.
5298     */
5299    private boolean isWakeKeyWhenScreenOff(int keyCode) {
5300        switch (keyCode) {
5301            // ignore volume keys unless docked
5302            case KeyEvent.KEYCODE_VOLUME_UP:
5303            case KeyEvent.KEYCODE_VOLUME_DOWN:
5304            case KeyEvent.KEYCODE_VOLUME_MUTE:
5305                return mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;
5306
5307            // ignore media and camera keys
5308            case KeyEvent.KEYCODE_MUTE:
5309            case KeyEvent.KEYCODE_HEADSETHOOK:
5310            case KeyEvent.KEYCODE_MEDIA_PLAY:
5311            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5312            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5313            case KeyEvent.KEYCODE_MEDIA_STOP:
5314            case KeyEvent.KEYCODE_MEDIA_NEXT:
5315            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5316            case KeyEvent.KEYCODE_MEDIA_REWIND:
5317            case KeyEvent.KEYCODE_MEDIA_RECORD:
5318            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5319            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK:
5320            case KeyEvent.KEYCODE_CAMERA:
5321                return false;
5322        }
5323        return true;
5324    }
5325
5326
5327    /** {@inheritDoc} */
5328    @Override
5329    public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) {
5330        if ((policyFlags & FLAG_WAKE) != 0) {
5331            if (wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotion,
5332                    "android.policy:MOTION")) {
5333                return 0;
5334            }
5335        }
5336
5337        if (shouldDispatchInputWhenNonInteractive()) {
5338            return ACTION_PASS_TO_USER;
5339        }
5340
5341        // If we have not passed the action up and we are in theater mode without dreaming,
5342        // there will be no dream to intercept the touch and wake into ambient.  The device should
5343        // wake up in this case.
5344        if (isTheaterModeEnabled() && (policyFlags & FLAG_WAKE) != 0) {
5345            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotionWhenNotDreaming,
5346                    "android.policy:MOTION");
5347        }
5348
5349        return 0;
5350    }
5351
5352    private boolean shouldDispatchInputWhenNonInteractive() {
5353        // Send events to keyguard while the screen is on.
5354        if (isKeyguardShowingAndNotOccluded() && mDisplay != null
5355                && mDisplay.getState() != Display.STATE_OFF) {
5356            return true;
5357        }
5358
5359        // Send events to a dozing dream even if the screen is off since the dream
5360        // is in control of the state of the screen.
5361        IDreamManager dreamManager = getDreamManager();
5362
5363        try {
5364            if (dreamManager != null && dreamManager.isDreaming()) {
5365                return true;
5366            }
5367        } catch (RemoteException e) {
5368            Slog.e(TAG, "RemoteException when checking if dreaming", e);
5369        }
5370
5371        // Otherwise, consume events since the user can't see what is being
5372        // interacted with.
5373        return false;
5374    }
5375
5376    private void dispatchDirectAudioEvent(KeyEvent event) {
5377        if (event.getAction() != KeyEvent.ACTION_DOWN) {
5378            return;
5379        }
5380        int keyCode = event.getKeyCode();
5381        int flags = AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_PLAY_SOUND
5382                | AudioManager.FLAG_FROM_KEY;
5383        String pkgName = mContext.getOpPackageName();
5384        switch (keyCode) {
5385            case KeyEvent.KEYCODE_VOLUME_UP:
5386                try {
5387                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_RAISE,
5388                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
5389                } catch (RemoteException e) {
5390                    Log.e(TAG, "Error dispatching volume up in dispatchTvAudioEvent.", e);
5391                }
5392                break;
5393            case KeyEvent.KEYCODE_VOLUME_DOWN:
5394                try {
5395                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_LOWER,
5396                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
5397                } catch (RemoteException e) {
5398                    Log.e(TAG, "Error dispatching volume down in dispatchTvAudioEvent.", e);
5399                }
5400                break;
5401            case KeyEvent.KEYCODE_VOLUME_MUTE:
5402                try {
5403                    if (event.getRepeatCount() == 0) {
5404                        getAudioService().adjustSuggestedStreamVolume(
5405                                AudioManager.ADJUST_TOGGLE_MUTE,
5406                                AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
5407                    }
5408                } catch (RemoteException e) {
5409                    Log.e(TAG, "Error dispatching mute in dispatchTvAudioEvent.", e);
5410                }
5411                break;
5412        }
5413    }
5414
5415    void dispatchMediaKeyWithWakeLock(KeyEvent event) {
5416        if (DEBUG_INPUT) {
5417            Slog.d(TAG, "dispatchMediaKeyWithWakeLock: " + event);
5418        }
5419
5420        if (mHavePendingMediaKeyRepeatWithWakeLock) {
5421            if (DEBUG_INPUT) {
5422                Slog.d(TAG, "dispatchMediaKeyWithWakeLock: canceled repeat");
5423            }
5424
5425            mHandler.removeMessages(MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK);
5426            mHavePendingMediaKeyRepeatWithWakeLock = false;
5427            mBroadcastWakeLock.release(); // pending repeat was holding onto the wake lock
5428        }
5429
5430        dispatchMediaKeyWithWakeLockToAudioService(event);
5431
5432        if (event.getAction() == KeyEvent.ACTION_DOWN
5433                && event.getRepeatCount() == 0) {
5434            mHavePendingMediaKeyRepeatWithWakeLock = true;
5435
5436            Message msg = mHandler.obtainMessage(
5437                    MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK, event);
5438            msg.setAsynchronous(true);
5439            mHandler.sendMessageDelayed(msg, ViewConfiguration.getKeyRepeatTimeout());
5440        } else {
5441            mBroadcastWakeLock.release();
5442        }
5443    }
5444
5445    void dispatchMediaKeyRepeatWithWakeLock(KeyEvent event) {
5446        mHavePendingMediaKeyRepeatWithWakeLock = false;
5447
5448        KeyEvent repeatEvent = KeyEvent.changeTimeRepeat(event,
5449                SystemClock.uptimeMillis(), 1, event.getFlags() | KeyEvent.FLAG_LONG_PRESS);
5450        if (DEBUG_INPUT) {
5451            Slog.d(TAG, "dispatchMediaKeyRepeatWithWakeLock: " + repeatEvent);
5452        }
5453
5454        dispatchMediaKeyWithWakeLockToAudioService(repeatEvent);
5455        mBroadcastWakeLock.release();
5456    }
5457
5458    void dispatchMediaKeyWithWakeLockToAudioService(KeyEvent event) {
5459        if (ActivityManagerNative.isSystemReady()) {
5460            MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(event, true);
5461        }
5462    }
5463
5464    void launchVoiceAssistWithWakeLock(boolean keyguardActive) {
5465        IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
5466                ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
5467        if (dic != null) {
5468            try {
5469                dic.exitIdle("voice-search");
5470            } catch (RemoteException e) {
5471            }
5472        }
5473        Intent voiceIntent =
5474            new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
5475        voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, keyguardActive);
5476        startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
5477        mBroadcastWakeLock.release();
5478    }
5479
5480    BroadcastReceiver mDockReceiver = new BroadcastReceiver() {
5481        @Override
5482        public void onReceive(Context context, Intent intent) {
5483            if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
5484                mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
5485                        Intent.EXTRA_DOCK_STATE_UNDOCKED);
5486            } else {
5487                try {
5488                    IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
5489                            ServiceManager.getService(Context.UI_MODE_SERVICE));
5490                    mUiMode = uiModeService.getCurrentModeType();
5491                } catch (RemoteException e) {
5492                }
5493            }
5494            updateRotation(true);
5495            synchronized (mLock) {
5496                updateOrientationListenerLp();
5497            }
5498        }
5499    };
5500
5501    BroadcastReceiver mDreamReceiver = new BroadcastReceiver() {
5502        @Override
5503        public void onReceive(Context context, Intent intent) {
5504            if (Intent.ACTION_DREAMING_STARTED.equals(intent.getAction())) {
5505                if (mKeyguardDelegate != null) {
5506                    mKeyguardDelegate.onDreamingStarted();
5507                }
5508            } else if (Intent.ACTION_DREAMING_STOPPED.equals(intent.getAction())) {
5509                if (mKeyguardDelegate != null) {
5510                    mKeyguardDelegate.onDreamingStopped();
5511                }
5512            }
5513        }
5514    };
5515
5516    BroadcastReceiver mMultiuserReceiver = new BroadcastReceiver() {
5517        @Override
5518        public void onReceive(Context context, Intent intent) {
5519            if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) {
5520                // tickle the settings observer: this first ensures that we're
5521                // observing the relevant settings for the newly-active user,
5522                // and then updates our own bookkeeping based on the now-
5523                // current user.
5524                mSettingsObserver.onChange(false);
5525
5526                // force a re-application of focused window sysui visibility.
5527                // the window may never have been shown for this user
5528                // e.g. the keyguard when going through the new-user setup flow
5529                synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5530                    mLastSystemUiFlags = 0;
5531                    updateSystemUiVisibilityLw();
5532                }
5533            }
5534        }
5535    };
5536
5537    private final Runnable mHiddenNavPanic = new Runnable() {
5538        @Override
5539        public void run() {
5540            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5541                if (!isUserSetupComplete()) {
5542                    // Swipe-up for navigation bar is disabled during setup
5543                    return;
5544                }
5545                mPendingPanicGestureUptime = SystemClock.uptimeMillis();
5546                mNavigationBarController.showTransient();
5547            }
5548        }
5549    };
5550
5551    private void requestTransientBars(WindowState swipeTarget) {
5552        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5553            if (!isUserSetupComplete()) {
5554                // Swipe-up for navigation bar is disabled during setup
5555                return;
5556            }
5557            boolean sb = mStatusBarController.checkShowTransientBarLw();
5558            boolean nb = mNavigationBarController.checkShowTransientBarLw();
5559            if (sb || nb) {
5560                // Don't show status bar when swiping on already visible navigation bar
5561                if (!nb && swipeTarget == mNavigationBar) {
5562                    if (DEBUG) Slog.d(TAG, "Not showing transient bar, wrong swipe target");
5563                    return;
5564                }
5565                if (sb) mStatusBarController.showTransient();
5566                if (nb) mNavigationBarController.showTransient();
5567                mImmersiveModeConfirmation.confirmCurrentPrompt();
5568                updateSystemUiVisibilityLw();
5569            }
5570        }
5571    }
5572
5573    // Called on the PowerManager's Notifier thread.
5574    @Override
5575    public void startedGoingToSleep(int why) {
5576        if (DEBUG_WAKEUP) Slog.i(TAG, "Started going to sleep... (why=" + why + ")");
5577        if (mKeyguardDelegate != null) {
5578            mKeyguardDelegate.onStartedGoingToSleep(why);
5579        }
5580    }
5581
5582    // Called on the PowerManager's Notifier thread.
5583    @Override
5584    public void finishedGoingToSleep(int why) {
5585        EventLog.writeEvent(70000, 0);
5586        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished going to sleep... (why=" + why + ")");
5587        MetricsLogger.histogram(mContext, "screen_timeout", mLockScreenTimeout / 1000);
5588
5589        // We must get this work done here because the power manager will drop
5590        // the wake lock and let the system suspend once this function returns.
5591        synchronized (mLock) {
5592            mAwake = false;
5593            updateWakeGestureListenerLp();
5594            updateOrientationListenerLp();
5595            updateLockScreenTimeout();
5596        }
5597        if (mKeyguardDelegate != null) {
5598            mKeyguardDelegate.onFinishedGoingToSleep(why);
5599        }
5600    }
5601
5602    // Called on the PowerManager's Notifier thread.
5603    @Override
5604    public void startedWakingUp() {
5605        EventLog.writeEvent(70000, 1);
5606        if (DEBUG_WAKEUP) Slog.i(TAG, "Started waking up...");
5607
5608        // Since goToSleep performs these functions synchronously, we must
5609        // do the same here.  We cannot post this work to a handler because
5610        // that might cause it to become reordered with respect to what
5611        // may happen in a future call to goToSleep.
5612        synchronized (mLock) {
5613            mAwake = true;
5614
5615            updateWakeGestureListenerLp();
5616            updateOrientationListenerLp();
5617            updateLockScreenTimeout();
5618        }
5619
5620        if (mKeyguardDelegate != null) {
5621            mKeyguardDelegate.onStartedWakingUp();
5622        }
5623    }
5624
5625    // Called on the PowerManager's Notifier thread.
5626    @Override
5627    public void finishedWakingUp() {
5628        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished waking up...");
5629    }
5630
5631    private void wakeUpFromPowerKey(long eventTime) {
5632        wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey, "android.policy:POWER");
5633    }
5634
5635    private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode, String reason) {
5636        final boolean theaterModeEnabled = isTheaterModeEnabled();
5637        if (!wakeInTheaterMode && theaterModeEnabled) {
5638            return false;
5639        }
5640
5641        if (theaterModeEnabled) {
5642            Settings.Global.putInt(mContext.getContentResolver(),
5643                    Settings.Global.THEATER_MODE_ON, 0);
5644        }
5645
5646        mPowerManager.wakeUp(wakeTime, reason);
5647        return true;
5648    }
5649
5650    private void finishKeyguardDrawn() {
5651        synchronized (mLock) {
5652            if (!mScreenOnEarly || mKeyguardDrawComplete) {
5653                return; // We are not awake yet or we have already informed of this event.
5654            }
5655
5656            mKeyguardDrawComplete = true;
5657            if (mKeyguardDelegate != null) {
5658                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
5659            }
5660            mWindowManagerDrawComplete = false;
5661        }
5662
5663        // ... eventually calls finishWindowsDrawn which will finalize our screen turn on
5664        // as well as enabling the orientation change logic/sensor.
5665        mWindowManagerInternal.waitForAllWindowsDrawn(mWindowManagerDrawCallback,
5666                WAITING_FOR_DRAWN_TIMEOUT);
5667    }
5668
5669    // Called on the DisplayManager's DisplayPowerController thread.
5670    @Override
5671    public void screenTurnedOff() {
5672        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turned off...");
5673
5674        updateScreenOffSleepToken(true);
5675        synchronized (mLock) {
5676            mScreenOnEarly = false;
5677            mScreenOnFully = false;
5678            mKeyguardDrawComplete = false;
5679            mWindowManagerDrawComplete = false;
5680            mScreenOnListener = null;
5681            updateOrientationListenerLp();
5682
5683            if (mKeyguardDelegate != null) {
5684                mKeyguardDelegate.onScreenTurnedOff();
5685            }
5686        }
5687    }
5688
5689    // Called on the DisplayManager's DisplayPowerController thread.
5690    @Override
5691    public void screenTurningOn(final ScreenOnListener screenOnListener) {
5692        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turning on...");
5693
5694        updateScreenOffSleepToken(false);
5695        synchronized (mLock) {
5696            mScreenOnEarly = true;
5697            mScreenOnFully = false;
5698            mKeyguardDrawComplete = false;
5699            mWindowManagerDrawComplete = false;
5700            mScreenOnListener = screenOnListener;
5701
5702            if (mKeyguardDelegate != null) {
5703                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
5704                mHandler.sendEmptyMessageDelayed(MSG_KEYGUARD_DRAWN_TIMEOUT, 1000);
5705                mKeyguardDelegate.onScreenTurningOn(mKeyguardDrawnCallback);
5706            } else {
5707                if (DEBUG_WAKEUP) Slog.d(TAG,
5708                        "null mKeyguardDelegate: setting mKeyguardDrawComplete.");
5709                finishKeyguardDrawn();
5710            }
5711        }
5712    }
5713
5714    // Called on the DisplayManager's DisplayPowerController thread.
5715    @Override
5716    public void screenTurnedOn() {
5717        synchronized (mLock) {
5718            if (mKeyguardDelegate != null) {
5719                mKeyguardDelegate.onScreenTurnedOn();
5720            }
5721        }
5722    }
5723
5724    private void finishWindowsDrawn() {
5725        synchronized (mLock) {
5726            if (!mScreenOnEarly || mWindowManagerDrawComplete) {
5727                return; // Screen is not turned on or we did already handle this case earlier.
5728            }
5729
5730            mWindowManagerDrawComplete = true;
5731        }
5732
5733        finishScreenTurningOn();
5734    }
5735
5736    private void finishScreenTurningOn() {
5737        synchronized (mLock) {
5738            // We have just finished drawing screen content. Since the orientation listener
5739            // gets only installed when all windows are drawn, we try to install it again.
5740            updateOrientationListenerLp();
5741        }
5742        final ScreenOnListener listener;
5743        final boolean enableScreen;
5744        synchronized (mLock) {
5745            if (DEBUG_WAKEUP) Slog.d(TAG,
5746                    "finishScreenTurningOn: mAwake=" + mAwake
5747                            + ", mScreenOnEarly=" + mScreenOnEarly
5748                            + ", mScreenOnFully=" + mScreenOnFully
5749                            + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
5750                            + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
5751
5752            if (mScreenOnFully || !mScreenOnEarly || !mWindowManagerDrawComplete
5753                    || (mAwake && !mKeyguardDrawComplete)) {
5754                return; // spurious or not ready yet
5755            }
5756
5757            if (DEBUG_WAKEUP) Slog.i(TAG, "Finished screen turning on...");
5758            listener = mScreenOnListener;
5759            mScreenOnListener = null;
5760            mScreenOnFully = true;
5761
5762            // Remember the first time we draw the keyguard so we know when we're done with
5763            // the main part of booting and can enable the screen and hide boot messages.
5764            if (!mKeyguardDrawnOnce && mAwake) {
5765                mKeyguardDrawnOnce = true;
5766                enableScreen = true;
5767                if (mBootMessageNeedsHiding) {
5768                    mBootMessageNeedsHiding = false;
5769                    hideBootMessages();
5770                }
5771            } else {
5772                enableScreen = false;
5773            }
5774        }
5775
5776        if (listener != null) {
5777            listener.onScreenOn();
5778        }
5779
5780        if (enableScreen) {
5781            try {
5782                mWindowManager.enableScreenIfNeeded();
5783            } catch (RemoteException unhandled) {
5784            }
5785        }
5786    }
5787
5788    private void handleHideBootMessage() {
5789        synchronized (mLock) {
5790            if (!mKeyguardDrawnOnce) {
5791                mBootMessageNeedsHiding = true;
5792                return; // keyguard hasn't drawn the first time yet, not done booting
5793            }
5794        }
5795
5796        if (mBootMsgDialog != null) {
5797            if (DEBUG_WAKEUP) Slog.d(TAG, "handleHideBootMessage: dismissing");
5798            mBootMsgDialog.dismiss();
5799            mBootMsgDialog = null;
5800        }
5801    }
5802
5803    @Override
5804    public boolean isScreenOn() {
5805        return mScreenOnFully;
5806    }
5807
5808    /** {@inheritDoc} */
5809    @Override
5810    public void enableKeyguard(boolean enabled) {
5811        if (mKeyguardDelegate != null) {
5812            mKeyguardDelegate.setKeyguardEnabled(enabled);
5813        }
5814    }
5815
5816    /** {@inheritDoc} */
5817    @Override
5818    public void exitKeyguardSecurely(OnKeyguardExitResult callback) {
5819        if (mKeyguardDelegate != null) {
5820            mKeyguardDelegate.verifyUnlock(callback);
5821        }
5822    }
5823
5824    private boolean isKeyguardShowingAndNotOccluded() {
5825        if (mKeyguardDelegate == null) return false;
5826        return mKeyguardDelegate.isShowing() && !mKeyguardOccluded;
5827    }
5828
5829    /** {@inheritDoc} */
5830    @Override
5831    public boolean isKeyguardLocked() {
5832        return keyguardOn();
5833    }
5834
5835    /** {@inheritDoc} */
5836    @Override
5837    public boolean isKeyguardSecure() {
5838        if (mKeyguardDelegate == null) return false;
5839        return mKeyguardDelegate.isSecure();
5840    }
5841
5842    /** {@inheritDoc} */
5843    @Override
5844    public boolean isKeyguardShowingOrOccluded() {
5845        return mKeyguardDelegate == null ? false : mKeyguardDelegate.isShowing();
5846    }
5847
5848    /** {@inheritDoc} */
5849    @Override
5850    public boolean inKeyguardRestrictedKeyInputMode() {
5851        if (mKeyguardDelegate == null) return false;
5852        return mKeyguardDelegate.isInputRestricted();
5853    }
5854
5855    @Override
5856    public void dismissKeyguardLw() {
5857        if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
5858            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.dismissKeyguardLw");
5859            mHandler.post(new Runnable() {
5860                @Override
5861                public void run() {
5862                    // ask the keyguard to prompt the user to authenticate if necessary
5863                    mKeyguardDelegate.dismiss();
5864                }
5865            });
5866        }
5867    }
5868
5869    public void notifyActivityDrawnForKeyguardLw() {
5870        if (mKeyguardDelegate != null) {
5871            mHandler.post(new Runnable() {
5872                @Override
5873                public void run() {
5874                    mKeyguardDelegate.onActivityDrawn();
5875                }
5876            });
5877        }
5878    }
5879
5880    @Override
5881    public boolean isKeyguardDrawnLw() {
5882        synchronized (mLock) {
5883            return mKeyguardDrawnOnce;
5884        }
5885    }
5886
5887    @Override
5888    public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
5889        if (mKeyguardDelegate != null) {
5890            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.startKeyguardExitAnimation");
5891            mKeyguardDelegate.startKeyguardExitAnimation(startTime, fadeoutDuration);
5892        }
5893    }
5894
5895    void sendCloseSystemWindows() {
5896        PhoneWindow.sendCloseSystemWindows(mContext, null);
5897    }
5898
5899    void sendCloseSystemWindows(String reason) {
5900        PhoneWindow.sendCloseSystemWindows(mContext, reason);
5901    }
5902
5903    @Override
5904    public int rotationForOrientationLw(int orientation, int lastRotation) {
5905        if (false) {
5906            Slog.v(TAG, "rotationForOrientationLw(orient="
5907                        + orientation + ", last=" + lastRotation
5908                        + "); user=" + mUserRotation + " "
5909                        + ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED)
5910                            ? "USER_ROTATION_LOCKED" : "")
5911                        );
5912        }
5913
5914        if (mForceDefaultOrientation) {
5915            return Surface.ROTATION_0;
5916        }
5917
5918        synchronized (mLock) {
5919            int sensorRotation = mOrientationListener.getProposedRotation(); // may be -1
5920            if (sensorRotation < 0) {
5921                sensorRotation = lastRotation;
5922            }
5923
5924            final int preferredRotation;
5925            if (mLidState == LID_OPEN && mLidOpenRotation >= 0) {
5926                // Ignore sensor when lid switch is open and rotation is forced.
5927                preferredRotation = mLidOpenRotation;
5928            } else if (mDockMode == Intent.EXTRA_DOCK_STATE_CAR
5929                    && (mCarDockEnablesAccelerometer || mCarDockRotation >= 0)) {
5930                // Ignore sensor when in car dock unless explicitly enabled.
5931                // This case can override the behavior of NOSENSOR, and can also
5932                // enable 180 degree rotation while docked.
5933                preferredRotation = mCarDockEnablesAccelerometer
5934                        ? sensorRotation : mCarDockRotation;
5935            } else if ((mDockMode == Intent.EXTRA_DOCK_STATE_DESK
5936                    || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
5937                    || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK)
5938                    && (mDeskDockEnablesAccelerometer || mDeskDockRotation >= 0)) {
5939                // Ignore sensor when in desk dock unless explicitly enabled.
5940                // This case can override the behavior of NOSENSOR, and can also
5941                // enable 180 degree rotation while docked.
5942                preferredRotation = mDeskDockEnablesAccelerometer
5943                        ? sensorRotation : mDeskDockRotation;
5944            } else if (mHdmiPlugged && mDemoHdmiRotationLock) {
5945                // Ignore sensor when plugged into HDMI when demo HDMI rotation lock enabled.
5946                // Note that the dock orientation overrides the HDMI orientation.
5947                preferredRotation = mDemoHdmiRotation;
5948            } else if (mHdmiPlugged && mDockMode == Intent.EXTRA_DOCK_STATE_UNDOCKED
5949                    && mUndockedHdmiRotation >= 0) {
5950                // Ignore sensor when plugged into HDMI and an undocked orientation has
5951                // been specified in the configuration (only for legacy devices without
5952                // full multi-display support).
5953                // Note that the dock orientation overrides the HDMI orientation.
5954                preferredRotation = mUndockedHdmiRotation;
5955            } else if (mDemoRotationLock) {
5956                // Ignore sensor when demo rotation lock is enabled.
5957                // Note that the dock orientation and HDMI rotation lock override this.
5958                preferredRotation = mDemoRotation;
5959            } else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {
5960                // Application just wants to remain locked in the last rotation.
5961                preferredRotation = lastRotation;
5962            } else if (!mSupportAutoRotation) {
5963                // If we don't support auto-rotation then bail out here and ignore
5964                // the sensor and any rotation lock settings.
5965                preferredRotation = -1;
5966            } else if ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE
5967                            && (orientation == ActivityInfo.SCREEN_ORIENTATION_USER
5968                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
5969                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
5970                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT
5971                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER))
5972                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
5973                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
5974                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE
5975                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) {
5976                // Otherwise, use sensor only if requested by the application or enabled
5977                // by default for USER or UNSPECIFIED modes.  Does not apply to NOSENSOR.
5978                if (mAllowAllRotations < 0) {
5979                    // Can't read this during init() because the context doesn't
5980                    // have display metrics at that time so we cannot determine
5981                    // tablet vs. phone then.
5982                    mAllowAllRotations = mContext.getResources().getBoolean(
5983                            com.android.internal.R.bool.config_allowAllRotations) ? 1 : 0;
5984                }
5985                if (sensorRotation != Surface.ROTATION_180
5986                        || mAllowAllRotations == 1
5987                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
5988                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER) {
5989                    preferredRotation = sensorRotation;
5990                } else {
5991                    preferredRotation = lastRotation;
5992                }
5993            } else if (mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED
5994                    && orientation != ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
5995                // Apply rotation lock.  Does not apply to NOSENSOR.
5996                // The idea is that the user rotation expresses a weak preference for the direction
5997                // of gravity and as NOSENSOR is never affected by gravity, then neither should
5998                // NOSENSOR be affected by rotation lock (although it will be affected by docks).
5999                preferredRotation = mUserRotation;
6000            } else {
6001                // No overriding preference.
6002                // We will do exactly what the application asked us to do.
6003                preferredRotation = -1;
6004            }
6005
6006            switch (orientation) {
6007                case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6008                    // Return portrait unless overridden.
6009                    if (isAnyPortrait(preferredRotation)) {
6010                        return preferredRotation;
6011                    }
6012                    return mPortraitRotation;
6013
6014                case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6015                    // Return landscape unless overridden.
6016                    if (isLandscapeOrSeascape(preferredRotation)) {
6017                        return preferredRotation;
6018                    }
6019                    return mLandscapeRotation;
6020
6021                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6022                    // Return reverse portrait unless overridden.
6023                    if (isAnyPortrait(preferredRotation)) {
6024                        return preferredRotation;
6025                    }
6026                    return mUpsideDownRotation;
6027
6028                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6029                    // Return seascape unless overridden.
6030                    if (isLandscapeOrSeascape(preferredRotation)) {
6031                        return preferredRotation;
6032                    }
6033                    return mSeascapeRotation;
6034
6035                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6036                case ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE:
6037                    // Return either landscape rotation.
6038                    if (isLandscapeOrSeascape(preferredRotation)) {
6039                        return preferredRotation;
6040                    }
6041                    if (isLandscapeOrSeascape(lastRotation)) {
6042                        return lastRotation;
6043                    }
6044                    return mLandscapeRotation;
6045
6046                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6047                case ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT:
6048                    // Return either portrait rotation.
6049                    if (isAnyPortrait(preferredRotation)) {
6050                        return preferredRotation;
6051                    }
6052                    if (isAnyPortrait(lastRotation)) {
6053                        return lastRotation;
6054                    }
6055                    return mPortraitRotation;
6056
6057                default:
6058                    // For USER, UNSPECIFIED, NOSENSOR, SENSOR and FULL_SENSOR,
6059                    // just return the preferred orientation we already calculated.
6060                    if (preferredRotation >= 0) {
6061                        return preferredRotation;
6062                    }
6063                    return Surface.ROTATION_0;
6064            }
6065        }
6066    }
6067
6068    @Override
6069    public boolean rotationHasCompatibleMetricsLw(int orientation, int rotation) {
6070        switch (orientation) {
6071            case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6072            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6073            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6074                return isAnyPortrait(rotation);
6075
6076            case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6077            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6078            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6079                return isLandscapeOrSeascape(rotation);
6080
6081            default:
6082                return true;
6083        }
6084    }
6085
6086    @Override
6087    public void setRotationLw(int rotation) {
6088        mOrientationListener.setCurrentRotation(rotation);
6089    }
6090
6091    private boolean isLandscapeOrSeascape(int rotation) {
6092        return rotation == mLandscapeRotation || rotation == mSeascapeRotation;
6093    }
6094
6095    private boolean isAnyPortrait(int rotation) {
6096        return rotation == mPortraitRotation || rotation == mUpsideDownRotation;
6097    }
6098
6099    @Override
6100    public int getUserRotationMode() {
6101        return Settings.System.getIntForUser(mContext.getContentResolver(),
6102                Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
6103                        WindowManagerPolicy.USER_ROTATION_FREE :
6104                                WindowManagerPolicy.USER_ROTATION_LOCKED;
6105    }
6106
6107    // User rotation: to be used when all else fails in assigning an orientation to the device
6108    @Override
6109    public void setUserRotationMode(int mode, int rot) {
6110        ContentResolver res = mContext.getContentResolver();
6111
6112        // mUserRotationMode and mUserRotation will be assigned by the content observer
6113        if (mode == WindowManagerPolicy.USER_ROTATION_LOCKED) {
6114            Settings.System.putIntForUser(res,
6115                    Settings.System.USER_ROTATION,
6116                    rot,
6117                    UserHandle.USER_CURRENT);
6118            Settings.System.putIntForUser(res,
6119                    Settings.System.ACCELEROMETER_ROTATION,
6120                    0,
6121                    UserHandle.USER_CURRENT);
6122        } else {
6123            Settings.System.putIntForUser(res,
6124                    Settings.System.ACCELEROMETER_ROTATION,
6125                    1,
6126                    UserHandle.USER_CURRENT);
6127        }
6128    }
6129
6130    @Override
6131    public void setSafeMode(boolean safeMode) {
6132        mSafeMode = safeMode;
6133        performHapticFeedbackLw(null, safeMode
6134                ? HapticFeedbackConstants.SAFE_MODE_ENABLED
6135                : HapticFeedbackConstants.SAFE_MODE_DISABLED, true);
6136    }
6137
6138    static long[] getLongIntArray(Resources r, int resid) {
6139        int[] ar = r.getIntArray(resid);
6140        if (ar == null) {
6141            return null;
6142        }
6143        long[] out = new long[ar.length];
6144        for (int i=0; i<ar.length; i++) {
6145            out[i] = ar[i];
6146        }
6147        return out;
6148    }
6149
6150    /** {@inheritDoc} */
6151    @Override
6152    public void systemReady() {
6153        mKeyguardDelegate = new KeyguardServiceDelegate(mContext);
6154        mKeyguardDelegate.onSystemReady();
6155
6156        readCameraLensCoverState();
6157        updateUiMode();
6158        boolean bindKeyguardNow;
6159        synchronized (mLock) {
6160            updateOrientationListenerLp();
6161            mSystemReady = true;
6162            mHandler.post(new Runnable() {
6163                @Override
6164                public void run() {
6165                    updateSettings();
6166                }
6167            });
6168
6169            bindKeyguardNow = mDeferBindKeyguard;
6170            if (bindKeyguardNow) {
6171                // systemBooted ran but wasn't able to bind to the Keyguard, we'll do it now.
6172                mDeferBindKeyguard = false;
6173            }
6174        }
6175
6176        if (bindKeyguardNow) {
6177            mKeyguardDelegate.bindService(mContext);
6178            mKeyguardDelegate.onBootCompleted();
6179        }
6180        mSystemGestures.systemReady();
6181    }
6182
6183    /** {@inheritDoc} */
6184    @Override
6185    public void systemBooted() {
6186        boolean bindKeyguardNow = false;
6187        synchronized (mLock) {
6188            // Time to bind Keyguard; take care to only bind it once, either here if ready or
6189            // in systemReady if not.
6190            if (mKeyguardDelegate != null) {
6191                bindKeyguardNow = true;
6192            } else {
6193                // Because mKeyguardDelegate is null, we know that the synchronized block in
6194                // systemReady didn't run yet and setting this will actually have an effect.
6195                mDeferBindKeyguard = true;
6196            }
6197        }
6198        if (bindKeyguardNow) {
6199            mKeyguardDelegate.bindService(mContext);
6200            mKeyguardDelegate.onBootCompleted();
6201        }
6202        synchronized (mLock) {
6203            mSystemBooted = true;
6204        }
6205        startedWakingUp();
6206        screenTurningOn(null);
6207        screenTurnedOn();
6208    }
6209
6210    ProgressDialog mBootMsgDialog = null;
6211
6212    /** {@inheritDoc} */
6213    @Override
6214    public void showBootMessage(final CharSequence msg, final boolean always) {
6215        mHandler.post(new Runnable() {
6216            @Override public void run() {
6217                if (mBootMsgDialog == null) {
6218                    int theme;
6219                    if (mContext.getPackageManager().hasSystemFeature(
6220                            PackageManager.FEATURE_WATCH)) {
6221                        theme = com.android.internal.R.style.Theme_Micro_Dialog_Alert;
6222                    } else if (mContext.getPackageManager().hasSystemFeature(
6223                            PackageManager.FEATURE_TELEVISION)) {
6224                        theme = com.android.internal.R.style.Theme_Leanback_Dialog_Alert;
6225                    } else {
6226                        theme = 0;
6227                    }
6228
6229                    mBootMsgDialog = new ProgressDialog(mContext, theme) {
6230                        // This dialog will consume all events coming in to
6231                        // it, to avoid it trying to do things too early in boot.
6232                        @Override public boolean dispatchKeyEvent(KeyEvent event) {
6233                            return true;
6234                        }
6235                        @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
6236                            return true;
6237                        }
6238                        @Override public boolean dispatchTouchEvent(MotionEvent ev) {
6239                            return true;
6240                        }
6241                        @Override public boolean dispatchTrackballEvent(MotionEvent ev) {
6242                            return true;
6243                        }
6244                        @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) {
6245                            return true;
6246                        }
6247                        @Override public boolean dispatchPopulateAccessibilityEvent(
6248                                AccessibilityEvent event) {
6249                            return true;
6250                        }
6251                    };
6252                    if (mContext.getPackageManager().isUpgrade()) {
6253                        mBootMsgDialog.setTitle(R.string.android_upgrading_title);
6254                    } else {
6255                        mBootMsgDialog.setTitle(R.string.android_start_title);
6256                    }
6257                    mBootMsgDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
6258                    mBootMsgDialog.setIndeterminate(true);
6259                    mBootMsgDialog.getWindow().setType(
6260                            WindowManager.LayoutParams.TYPE_BOOT_PROGRESS);
6261                    mBootMsgDialog.getWindow().addFlags(
6262                            WindowManager.LayoutParams.FLAG_DIM_BEHIND
6263                            | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
6264                    mBootMsgDialog.getWindow().setDimAmount(1);
6265                    WindowManager.LayoutParams lp = mBootMsgDialog.getWindow().getAttributes();
6266                    lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
6267                    mBootMsgDialog.getWindow().setAttributes(lp);
6268                    mBootMsgDialog.setCancelable(false);
6269                    mBootMsgDialog.show();
6270                }
6271                mBootMsgDialog.setMessage(msg);
6272            }
6273        });
6274    }
6275
6276    /** {@inheritDoc} */
6277    @Override
6278    public void hideBootMessages() {
6279        mHandler.sendEmptyMessage(MSG_HIDE_BOOT_MESSAGE);
6280    }
6281
6282    /** {@inheritDoc} */
6283    @Override
6284    public void userActivity() {
6285        // ***************************************
6286        // NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
6287        // ***************************************
6288        // THIS IS CALLED FROM DEEP IN THE POWER MANAGER
6289        // WITH ITS LOCKS HELD.
6290        //
6291        // This code must be VERY careful about the locks
6292        // it acquires.
6293        // In fact, the current code acquires way too many,
6294        // and probably has lurking deadlocks.
6295
6296        synchronized (mScreenLockTimeout) {
6297            if (mLockScreenTimerActive) {
6298                // reset the timer
6299                mHandler.removeCallbacks(mScreenLockTimeout);
6300                mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
6301            }
6302        }
6303    }
6304
6305    class ScreenLockTimeout implements Runnable {
6306        Bundle options;
6307
6308        @Override
6309        public void run() {
6310            synchronized (this) {
6311                if (localLOGV) Log.v(TAG, "mScreenLockTimeout activating keyguard");
6312                if (mKeyguardDelegate != null) {
6313                    mKeyguardDelegate.doKeyguardTimeout(options);
6314                }
6315                mLockScreenTimerActive = false;
6316                options = null;
6317            }
6318        }
6319
6320        public void setLockOptions(Bundle options) {
6321            this.options = options;
6322        }
6323    }
6324
6325    ScreenLockTimeout mScreenLockTimeout = new ScreenLockTimeout();
6326
6327    @Override
6328    public void lockNow(Bundle options) {
6329        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);
6330        mHandler.removeCallbacks(mScreenLockTimeout);
6331        if (options != null) {
6332            // In case multiple calls are made to lockNow, we don't wipe out the options
6333            // until the runnable actually executes.
6334            mScreenLockTimeout.setLockOptions(options);
6335        }
6336        mHandler.post(mScreenLockTimeout);
6337    }
6338
6339    private void updateLockScreenTimeout() {
6340        synchronized (mScreenLockTimeout) {
6341            boolean enable = (mAllowLockscreenWhenOn && mAwake &&
6342                    mKeyguardDelegate != null && mKeyguardDelegate.isSecure());
6343            if (mLockScreenTimerActive != enable) {
6344                if (enable) {
6345                    if (localLOGV) Log.v(TAG, "setting lockscreen timer");
6346                    mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
6347                } else {
6348                    if (localLOGV) Log.v(TAG, "clearing lockscreen timer");
6349                    mHandler.removeCallbacks(mScreenLockTimeout);
6350                }
6351                mLockScreenTimerActive = enable;
6352            }
6353        }
6354    }
6355
6356    private void updateDreamingSleepToken(boolean acquire) {
6357        if (acquire) {
6358            if (mDreamingSleepToken == null) {
6359                mDreamingSleepToken = mActivityManagerInternal.acquireSleepToken("Dream");
6360            }
6361        } else {
6362            if (mDreamingSleepToken != null) {
6363                mDreamingSleepToken.release();
6364                mDreamingSleepToken = null;
6365            }
6366        }
6367    }
6368
6369    private void updateScreenOffSleepToken(boolean acquire) {
6370        if (acquire) {
6371            if (mScreenOffSleepToken == null) {
6372                mScreenOffSleepToken = mActivityManagerInternal.acquireSleepToken("ScreenOff");
6373            }
6374        } else {
6375            if (mScreenOffSleepToken != null) {
6376                mScreenOffSleepToken.release();
6377                mScreenOffSleepToken = null;
6378            }
6379        }
6380    }
6381
6382    /** {@inheritDoc} */
6383    @Override
6384    public void enableScreenAfterBoot() {
6385        readLidState();
6386        applyLidSwitchState();
6387        updateRotation(true);
6388    }
6389
6390    private void applyLidSwitchState() {
6391        if (mLidState == LID_CLOSED && mLidControlsSleep) {
6392            mPowerManager.goToSleep(SystemClock.uptimeMillis(),
6393                    PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH,
6394                    PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
6395        } else if (mLidState == LID_CLOSED && mLidControlsScreenLock) {
6396            mWindowManagerFuncs.lockDeviceNow();
6397        }
6398
6399        synchronized (mLock) {
6400            updateWakeGestureListenerLp();
6401        }
6402    }
6403
6404    void updateUiMode() {
6405        if (mUiModeManager == null) {
6406            mUiModeManager = IUiModeManager.Stub.asInterface(
6407                    ServiceManager.getService(Context.UI_MODE_SERVICE));
6408        }
6409        try {
6410            mUiMode = mUiModeManager.getCurrentModeType();
6411        } catch (RemoteException e) {
6412        }
6413    }
6414
6415    void updateRotation(boolean alwaysSendConfiguration) {
6416        try {
6417            //set orientation on WindowManager
6418            mWindowManager.updateRotation(alwaysSendConfiguration, false);
6419        } catch (RemoteException e) {
6420            // Ignore
6421        }
6422    }
6423
6424    void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
6425        try {
6426            //set orientation on WindowManager
6427            mWindowManager.updateRotation(alwaysSendConfiguration, forceRelayout);
6428        } catch (RemoteException e) {
6429            // Ignore
6430        }
6431    }
6432
6433    /**
6434     * Return an Intent to launch the currently active dock app as home.  Returns
6435     * null if the standard home should be launched, which is the case if any of the following is
6436     * true:
6437     * <ul>
6438     *  <li>The device is not in either car mode or desk mode
6439     *  <li>The device is in car mode but mEnableCarDockHomeCapture is false
6440     *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
6441     *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
6442     *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
6443     * </ul>
6444     * @return A dock intent.
6445     */
6446    Intent createHomeDockIntent() {
6447        Intent intent = null;
6448
6449        // What home does is based on the mode, not the dock state.  That
6450        // is, when in car mode you should be taken to car home regardless
6451        // of whether we are actually in a car dock.
6452        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
6453            if (mEnableCarDockHomeCapture) {
6454                intent = mCarDockIntent;
6455            }
6456        } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
6457            if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
6458                intent = mDeskDockIntent;
6459            }
6460        } else if (mUiMode == Configuration.UI_MODE_TYPE_WATCH
6461                && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
6462                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK
6463                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK)) {
6464            // Always launch dock home from home when watch is docked, if it exists.
6465            intent = mDeskDockIntent;
6466        }
6467
6468        if (intent == null) {
6469            return null;
6470        }
6471
6472        ActivityInfo ai = null;
6473        ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(
6474                intent,
6475                PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_META_DATA,
6476                mCurrentUserId);
6477        if (info != null) {
6478            ai = info.activityInfo;
6479        }
6480        if (ai != null
6481                && ai.metaData != null
6482                && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
6483            intent = new Intent(intent);
6484            intent.setClassName(ai.packageName, ai.name);
6485            return intent;
6486        }
6487
6488        return null;
6489    }
6490
6491    void startDockOrHome(boolean fromHomeKey, boolean awakenFromDreams) {
6492        if (awakenFromDreams) {
6493            awakenDreams();
6494        }
6495
6496        Intent dock = createHomeDockIntent();
6497        if (dock != null) {
6498            try {
6499                if (fromHomeKey) {
6500                    dock.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
6501                }
6502                startActivityAsUser(dock, UserHandle.CURRENT);
6503                return;
6504            } catch (ActivityNotFoundException e) {
6505            }
6506        }
6507
6508        Intent intent;
6509
6510        if (fromHomeKey) {
6511            intent = new Intent(mHomeIntent);
6512            intent.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
6513        } else {
6514            intent = mHomeIntent;
6515        }
6516
6517        startActivityAsUser(intent, UserHandle.CURRENT);
6518    }
6519
6520    /**
6521     * goes to the home screen
6522     * @return whether it did anything
6523     */
6524    boolean goHome() {
6525        if (!isUserSetupComplete()) {
6526            Slog.i(TAG, "Not going home because user setup is in progress.");
6527            return false;
6528        }
6529        if (false) {
6530            // This code always brings home to the front.
6531            try {
6532                ActivityManagerNative.getDefault().stopAppSwitches();
6533            } catch (RemoteException e) {
6534            }
6535            sendCloseSystemWindows();
6536            startDockOrHome(false /*fromHomeKey*/, true /* awakenFromDreams */);
6537        } else {
6538            // This code brings home to the front or, if it is already
6539            // at the front, puts the device to sleep.
6540            try {
6541                if (SystemProperties.getInt("persist.sys.uts-test-mode", 0) == 1) {
6542                    /// Roll back EndcallBehavior as the cupcake design to pass P1 lab entry.
6543                    Log.d(TAG, "UTS-TEST-MODE");
6544                } else {
6545                    ActivityManagerNative.getDefault().stopAppSwitches();
6546                    sendCloseSystemWindows();
6547                    Intent dock = createHomeDockIntent();
6548                    if (dock != null) {
6549                        int result = ActivityManagerNative.getDefault()
6550                                .startActivityAsUser(null, null, dock,
6551                                        dock.resolveTypeIfNeeded(mContext.getContentResolver()),
6552                                        null, null, 0,
6553                                        ActivityManager.START_FLAG_ONLY_IF_NEEDED,
6554                                        null, null, UserHandle.USER_CURRENT);
6555                        if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
6556                            return false;
6557                        }
6558                    }
6559                }
6560                int result = ActivityManagerNative.getDefault()
6561                        .startActivityAsUser(null, null, mHomeIntent,
6562                                mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
6563                                null, null, 0,
6564                                ActivityManager.START_FLAG_ONLY_IF_NEEDED,
6565                                null, null, UserHandle.USER_CURRENT);
6566                if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
6567                    return false;
6568                }
6569            } catch (RemoteException ex) {
6570                // bummer, the activity manager, which is in this process, is dead
6571            }
6572        }
6573        return true;
6574    }
6575
6576    @Override
6577    public void setCurrentOrientationLw(int newOrientation) {
6578        synchronized (mLock) {
6579            if (newOrientation != mCurrentAppOrientation) {
6580                mCurrentAppOrientation = newOrientation;
6581                updateOrientationListenerLp();
6582            }
6583        }
6584    }
6585
6586    private void performAuditoryFeedbackForAccessibilityIfNeed() {
6587        if (!isGlobalAccessibilityGestureEnabled()) {
6588            return;
6589        }
6590        AudioManager audioManager = (AudioManager) mContext.getSystemService(
6591                Context.AUDIO_SERVICE);
6592        if (audioManager.isSilentMode()) {
6593            return;
6594        }
6595        Ringtone ringTone = RingtoneManager.getRingtone(mContext,
6596                Settings.System.DEFAULT_NOTIFICATION_URI);
6597        ringTone.setStreamType(AudioManager.STREAM_MUSIC);
6598        ringTone.play();
6599    }
6600
6601    private boolean isTheaterModeEnabled() {
6602        return Settings.Global.getInt(mContext.getContentResolver(),
6603                Settings.Global.THEATER_MODE_ON, 0) == 1;
6604    }
6605
6606    private boolean isGlobalAccessibilityGestureEnabled() {
6607        return Settings.Global.getInt(mContext.getContentResolver(),
6608                Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED, 0) == 1;
6609    }
6610
6611    @Override
6612    public boolean performHapticFeedbackLw(WindowState win, int effectId, boolean always) {
6613        if (!mVibrator.hasVibrator()) {
6614            return false;
6615        }
6616        final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(),
6617                Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0;
6618        if (hapticsDisabled && !always) {
6619            return false;
6620        }
6621        long[] pattern = null;
6622        switch (effectId) {
6623            case HapticFeedbackConstants.LONG_PRESS:
6624                pattern = mLongPressVibePattern;
6625                break;
6626            case HapticFeedbackConstants.VIRTUAL_KEY:
6627                pattern = mVirtualKeyVibePattern;
6628                break;
6629            case HapticFeedbackConstants.KEYBOARD_TAP:
6630                pattern = mKeyboardTapVibePattern;
6631                break;
6632            case HapticFeedbackConstants.CLOCK_TICK:
6633                pattern = mClockTickVibePattern;
6634                break;
6635            case HapticFeedbackConstants.CALENDAR_DATE:
6636                pattern = mCalendarDateVibePattern;
6637                break;
6638            case HapticFeedbackConstants.SAFE_MODE_DISABLED:
6639                pattern = mSafeModeDisabledVibePattern;
6640                break;
6641            case HapticFeedbackConstants.SAFE_MODE_ENABLED:
6642                pattern = mSafeModeEnabledVibePattern;
6643                break;
6644            case HapticFeedbackConstants.CONTEXT_CLICK:
6645                pattern = mContextClickVibePattern;
6646                break;
6647            default:
6648                return false;
6649        }
6650        int owningUid;
6651        String owningPackage;
6652        if (win != null) {
6653            owningUid = win.getOwningUid();
6654            owningPackage = win.getOwningPackage();
6655        } else {
6656            owningUid = android.os.Process.myUid();
6657            owningPackage = mContext.getOpPackageName();
6658        }
6659        if (pattern.length == 1) {
6660            // One-shot vibration
6661            mVibrator.vibrate(owningUid, owningPackage, pattern[0], VIBRATION_ATTRIBUTES);
6662        } else {
6663            // Pattern vibration
6664            mVibrator.vibrate(owningUid, owningPackage, pattern, -1, VIBRATION_ATTRIBUTES);
6665        }
6666        return true;
6667    }
6668
6669    @Override
6670    public void keepScreenOnStartedLw() {
6671    }
6672
6673    @Override
6674    public void keepScreenOnStoppedLw() {
6675        if (isKeyguardShowingAndNotOccluded()) {
6676            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
6677        }
6678    }
6679
6680    private int updateSystemUiVisibilityLw() {
6681        // If there is no window focused, there will be nobody to handle the events
6682        // anyway, so just hang on in whatever state we're in until things settle down.
6683        final WindowState win = mFocusedWindow != null ? mFocusedWindow
6684                : mTopFullscreenOpaqueWindowState;
6685        if (win == null) {
6686            return 0;
6687        }
6688        if ((win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 && mHideLockScreen == true) {
6689            // We are updating at a point where the keyguard has gotten
6690            // focus, but we were last in a state where the top window is
6691            // hiding it.  This is probably because the keyguard as been
6692            // shown while the top window was displayed, so we want to ignore
6693            // it here because this is just a very transient change and it
6694            // will quickly lose focus once it correctly gets hidden.
6695            return 0;
6696        }
6697
6698        int tmpVisibility = PolicyControl.getSystemUiVisibility(win, null)
6699                & ~mResettingSystemUiFlags
6700                & ~mForceClearedSystemUiFlags;
6701        if (mForcingShowNavBar && win.getSurfaceLayer() < mForcingShowNavBarLayer) {
6702            tmpVisibility &= ~PolicyControl.adjustClearableFlags(win, View.SYSTEM_UI_CLEARABLE_FLAGS);
6703        }
6704
6705        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
6706            tmpVisibility |= StatusBarManager.DISABLE_RECENT;
6707        }
6708
6709        tmpVisibility = updateLightStatusBarLw(tmpVisibility);
6710        final int visibility = updateSystemBarsLw(win, mLastSystemUiFlags, tmpVisibility);
6711        final int diff = visibility ^ mLastSystemUiFlags;
6712        final boolean needsMenu = win.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
6713        if (diff == 0 && mLastFocusNeedsMenu == needsMenu
6714                && mFocusedApp == win.getAppToken()) {
6715            return 0;
6716        }
6717        mLastSystemUiFlags = visibility;
6718        mLastFocusNeedsMenu = needsMenu;
6719        mFocusedApp = win.getAppToken();
6720        mHandler.post(new Runnable() {
6721                @Override
6722                public void run() {
6723                    try {
6724                        IStatusBarService statusbar = getStatusBarService();
6725                        if (statusbar != null) {
6726                            statusbar.setSystemUiVisibility(visibility, 0xffffffff, win.toString());
6727                            statusbar.topAppWindowChanged(needsMenu);
6728                        }
6729                    } catch (RemoteException e) {
6730                        // re-acquire status bar service next time it is needed.
6731                        mStatusBarService = null;
6732                    }
6733                }
6734            });
6735        return diff;
6736    }
6737
6738    private int updateLightStatusBarLw(int vis) {
6739        WindowState statusColorWin = isStatusBarKeyguard() && !mHideLockScreen
6740                ? mStatusBar
6741                : mTopFullscreenOpaqueOrDimmingWindowState;
6742
6743        if (statusColorWin != null) {
6744            if (statusColorWin == mTopFullscreenOpaqueWindowState) {
6745                // If the top fullscreen-or-dimming window is also the top fullscreen, respect
6746                // its light flag.
6747                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6748                vis |= PolicyControl.getSystemUiVisibility(statusColorWin, null)
6749                        & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6750            } else if (statusColorWin != null && statusColorWin.isDimming()) {
6751                // Otherwise if it's dimming, clear the light flag.
6752                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6753            }
6754        }
6755        return vis;
6756    }
6757
6758    private int updateSystemBarsLw(WindowState win, int oldVis, int vis) {
6759        final boolean dockedStackVisible = mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID);
6760        final boolean freeformStackVisible =
6761                mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID);
6762        final boolean forceShowSystemBars = dockedStackVisible || freeformStackVisible;
6763        final boolean forceOpaqueSystemBars = forceShowSystemBars && !mForceStatusBarFromKeyguard;
6764
6765        // apply translucent bar vis flags
6766        WindowState transWin = isStatusBarKeyguard() && !mHideLockScreen
6767                ? mStatusBar
6768                : mTopFullscreenOpaqueWindowState;
6769        vis = mStatusBarController.applyTranslucentFlagLw(transWin, vis, oldVis);
6770        vis = mNavigationBarController.applyTranslucentFlagLw(transWin, vis, oldVis);
6771
6772        // prevent status bar interaction from clearing certain flags
6773        int type = win.getAttrs().type;
6774        boolean statusBarHasFocus = type == TYPE_STATUS_BAR;
6775        if (statusBarHasFocus && !isStatusBarKeyguard()) {
6776            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
6777                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
6778                    | View.SYSTEM_UI_FLAG_IMMERSIVE
6779                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
6780                    | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6781            if (mHideLockScreen) {
6782                flags |= View.STATUS_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSLUCENT;
6783            }
6784            vis = (vis & ~flags) | (oldVis & flags);
6785        }
6786
6787        if ((!areTranslucentBarsAllowed() && transWin != mStatusBar)
6788                || forceOpaqueSystemBars) {
6789            vis &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSLUCENT
6790                    | View.SYSTEM_UI_TRANSPARENT);
6791        }
6792
6793        if (mForceWindowDrawsStatusBarBackground) {
6794            vis |= View.STATUS_BAR_TRANSPARENT;
6795            vis &= ~View.STATUS_BAR_TRANSLUCENT;
6796        }
6797
6798        // update status bar
6799        boolean immersiveSticky =
6800                (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
6801        final boolean hideStatusBarWM =
6802                mTopFullscreenOpaqueWindowState != null
6803                && (PolicyControl.getWindowFlags(mTopFullscreenOpaqueWindowState, null)
6804                        & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0;
6805        final boolean hideStatusBarSysui =
6806                (vis & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
6807        final boolean hideNavBarSysui =
6808                (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0;
6809
6810        final boolean transientStatusBarAllowed = mStatusBar != null
6811                && (statusBarHasFocus || (!forceShowSystemBars
6812                        && (hideStatusBarWM || (hideStatusBarSysui && immersiveSticky))));
6813
6814        final boolean transientNavBarAllowed = mNavigationBar != null
6815                && !forceShowSystemBars && hideNavBarSysui && immersiveSticky;
6816
6817        final long now = SystemClock.uptimeMillis();
6818        final boolean pendingPanic = mPendingPanicGestureUptime != 0
6819                && now - mPendingPanicGestureUptime <= PANIC_GESTURE_EXPIRATION;
6820        if (pendingPanic && hideNavBarSysui && !isStatusBarKeyguard() && mKeyguardDrawComplete) {
6821            // The user performed the panic gesture recently, we're about to hide the bars,
6822            // we're no longer on the Keyguard and the screen is ready. We can now request the bars.
6823            mPendingPanicGestureUptime = 0;
6824            mStatusBarController.showTransient();
6825            mNavigationBarController.showTransient();
6826        }
6827
6828        final boolean denyTransientStatus = mStatusBarController.isTransientShowRequested()
6829                && !transientStatusBarAllowed && hideStatusBarSysui;
6830        final boolean denyTransientNav = mNavigationBarController.isTransientShowRequested()
6831                && !transientNavBarAllowed;
6832        if (denyTransientStatus || denyTransientNav || forceShowSystemBars) {
6833            // clear the clearable flags instead
6834            clearClearableFlagsLw();
6835            vis &= ~View.SYSTEM_UI_CLEARABLE_FLAGS;
6836        }
6837
6838        final boolean immersive = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
6839        immersiveSticky = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
6840        final boolean navAllowedHidden = immersive || immersiveSticky;
6841
6842        if (hideNavBarSysui && !navAllowedHidden && windowTypeToLayerLw(win.getBaseType())
6843                > windowTypeToLayerLw(TYPE_INPUT_CONSUMER)) {
6844            // We can't hide the navbar from this window otherwise the input consumer would not get
6845            // the input events.
6846            vis = (vis & ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
6847        }
6848
6849        vis = mStatusBarController.updateVisibilityLw(transientStatusBarAllowed, oldVis, vis);
6850
6851        // update navigation bar
6852        boolean oldImmersiveMode = isImmersiveMode(oldVis);
6853        boolean newImmersiveMode = isImmersiveMode(vis);
6854        if (win != null && oldImmersiveMode != newImmersiveMode) {
6855            final String pkg = win.getOwningPackage();
6856            mImmersiveModeConfirmation.immersiveModeChanged(pkg, newImmersiveMode,
6857                    isUserSetupComplete());
6858        }
6859
6860        vis = mNavigationBarController.updateVisibilityLw(transientNavBarAllowed, oldVis, vis);
6861
6862        return vis;
6863    }
6864
6865    private void clearClearableFlagsLw() {
6866        int newVal = mResettingSystemUiFlags | View.SYSTEM_UI_CLEARABLE_FLAGS;
6867        if (newVal != mResettingSystemUiFlags) {
6868            mResettingSystemUiFlags = newVal;
6869            mWindowManagerFuncs.reevaluateStatusBarVisibility();
6870        }
6871    }
6872
6873    private boolean isImmersiveMode(int vis) {
6874        final int flags = View.SYSTEM_UI_FLAG_IMMERSIVE | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
6875        return mNavigationBar != null
6876                && (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
6877                && (vis & flags) != 0
6878                && canHideNavigationBar();
6879    }
6880
6881    /**
6882     * @return whether the navigation or status bar can be made translucent
6883     *
6884     * This should return true unless touch exploration is not enabled or
6885     * R.boolean.config_enableTranslucentDecor is false.
6886     */
6887    private boolean areTranslucentBarsAllowed() {
6888        return mTranslucentDecorEnabled;
6889    }
6890
6891    // Use this instead of checking config_showNavigationBar so that it can be consistently
6892    // overridden by qemu.hw.mainkeys in the emulator.
6893    @Override
6894    public boolean hasNavigationBar() {
6895        return mHasNavigationBar;
6896    }
6897
6898    @Override
6899    public void setLastInputMethodWindowLw(WindowState ime, WindowState target) {
6900        mLastInputMethodWindow = ime;
6901        mLastInputMethodTargetWindow = target;
6902    }
6903
6904    @Override
6905    public int getInputMethodWindowVisibleHeightLw() {
6906        return mDockBottom - mCurBottom;
6907    }
6908
6909    @Override
6910    public void setCurrentUserLw(int newUserId) {
6911        mCurrentUserId = newUserId;
6912        if (mKeyguardDelegate != null) {
6913            mKeyguardDelegate.setCurrentUser(newUserId);
6914        }
6915        if (mStatusBarService != null) {
6916            try {
6917                mStatusBarService.setCurrentUser(newUserId);
6918            } catch (RemoteException e) {
6919                // oh well
6920            }
6921        }
6922        setLastInputMethodWindowLw(null, null);
6923    }
6924
6925    @Override
6926    public boolean canMagnifyWindow(int windowType) {
6927        switch (windowType) {
6928            case WindowManager.LayoutParams.TYPE_INPUT_METHOD:
6929            case WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG:
6930            case WindowManager.LayoutParams.TYPE_NAVIGATION_BAR:
6931            case WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY: {
6932                return false;
6933            }
6934        }
6935        return true;
6936    }
6937
6938    @Override
6939    public boolean isTopLevelWindow(int windowType) {
6940        if (windowType >= WindowManager.LayoutParams.FIRST_SUB_WINDOW
6941                && windowType <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
6942            return (windowType == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG);
6943        }
6944        return true;
6945    }
6946
6947    @Override
6948    public void dump(String prefix, PrintWriter pw, String[] args) {
6949        pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
6950                pw.print(" mSystemReady="); pw.print(mSystemReady);
6951                pw.print(" mSystemBooted="); pw.println(mSystemBooted);
6952        pw.print(prefix); pw.print("mLidState="); pw.print(mLidState);
6953                pw.print(" mLidOpenRotation="); pw.print(mLidOpenRotation);
6954                pw.print(" mCameraLensCoverState="); pw.print(mCameraLensCoverState);
6955                pw.print(" mHdmiPlugged="); pw.println(mHdmiPlugged);
6956        if (mLastSystemUiFlags != 0 || mResettingSystemUiFlags != 0
6957                || mForceClearedSystemUiFlags != 0) {
6958            pw.print(prefix); pw.print("mLastSystemUiFlags=0x");
6959                    pw.print(Integer.toHexString(mLastSystemUiFlags));
6960                    pw.print(" mResettingSystemUiFlags=0x");
6961                    pw.print(Integer.toHexString(mResettingSystemUiFlags));
6962                    pw.print(" mForceClearedSystemUiFlags=0x");
6963                    pw.println(Integer.toHexString(mForceClearedSystemUiFlags));
6964        }
6965        if (mLastFocusNeedsMenu) {
6966            pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
6967                    pw.println(mLastFocusNeedsMenu);
6968        }
6969        pw.print(prefix); pw.print("mWakeGestureEnabledSetting=");
6970                pw.println(mWakeGestureEnabledSetting);
6971
6972        pw.print(prefix); pw.print("mSupportAutoRotation="); pw.println(mSupportAutoRotation);
6973        pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
6974                pw.print(" mDockMode="); pw.print(mDockMode);
6975                pw.print(" mEnableCarDockHomeCapture="); pw.print(mEnableCarDockHomeCapture);
6976                pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
6977                pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
6978        pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);
6979                pw.print(" mUserRotation="); pw.print(mUserRotation);
6980                pw.print(" mAllowAllRotations="); pw.println(mAllowAllRotations);
6981        pw.print(prefix); pw.print("mCurrentAppOrientation="); pw.println(mCurrentAppOrientation);
6982        pw.print(prefix); pw.print("mCarDockEnablesAccelerometer=");
6983                pw.print(mCarDockEnablesAccelerometer);
6984                pw.print(" mDeskDockEnablesAccelerometer=");
6985                pw.println(mDeskDockEnablesAccelerometer);
6986        pw.print(prefix); pw.print("mLidKeyboardAccessibility=");
6987                pw.print(mLidKeyboardAccessibility);
6988                pw.print(" mLidNavigationAccessibility="); pw.print(mLidNavigationAccessibility);
6989                pw.print(" mLidControlsScreenLock="); pw.println(mLidControlsScreenLock);
6990                pw.print(" mLidControlsSleep="); pw.println(mLidControlsSleep);
6991        pw.print(prefix);
6992                pw.print("mShortPressOnPowerBehavior="); pw.print(mShortPressOnPowerBehavior);
6993                pw.print(" mLongPressOnPowerBehavior="); pw.println(mLongPressOnPowerBehavior);
6994        pw.print(prefix);
6995                pw.print("mDoublePressOnPowerBehavior="); pw.print(mDoublePressOnPowerBehavior);
6996                pw.print(" mTriplePressOnPowerBehavior="); pw.println(mTriplePressOnPowerBehavior);
6997        pw.print(prefix); pw.print("mHasSoftInput="); pw.println(mHasSoftInput);
6998        pw.print(prefix); pw.print("mAwake="); pw.println(mAwake);
6999        pw.print(prefix); pw.print("mScreenOnEarly="); pw.print(mScreenOnEarly);
7000                pw.print(" mScreenOnFully="); pw.println(mScreenOnFully);
7001        pw.print(prefix); pw.print("mKeyguardDrawComplete="); pw.print(mKeyguardDrawComplete);
7002                pw.print(" mWindowManagerDrawComplete="); pw.println(mWindowManagerDrawComplete);
7003        pw.print(prefix); pw.print("mOrientationSensorEnabled=");
7004                pw.println(mOrientationSensorEnabled);
7005        pw.print(prefix); pw.print("mOverscanScreen=("); pw.print(mOverscanScreenLeft);
7006                pw.print(","); pw.print(mOverscanScreenTop);
7007                pw.print(") "); pw.print(mOverscanScreenWidth);
7008                pw.print("x"); pw.println(mOverscanScreenHeight);
7009        if (mOverscanLeft != 0 || mOverscanTop != 0
7010                || mOverscanRight != 0 || mOverscanBottom != 0) {
7011            pw.print(prefix); pw.print("mOverscan left="); pw.print(mOverscanLeft);
7012                    pw.print(" top="); pw.print(mOverscanTop);
7013                    pw.print(" right="); pw.print(mOverscanRight);
7014                    pw.print(" bottom="); pw.println(mOverscanBottom);
7015        }
7016        pw.print(prefix); pw.print("mRestrictedOverscanScreen=(");
7017                pw.print(mRestrictedOverscanScreenLeft);
7018                pw.print(","); pw.print(mRestrictedOverscanScreenTop);
7019                pw.print(") "); pw.print(mRestrictedOverscanScreenWidth);
7020                pw.print("x"); pw.println(mRestrictedOverscanScreenHeight);
7021        pw.print(prefix); pw.print("mUnrestrictedScreen=("); pw.print(mUnrestrictedScreenLeft);
7022                pw.print(","); pw.print(mUnrestrictedScreenTop);
7023                pw.print(") "); pw.print(mUnrestrictedScreenWidth);
7024                pw.print("x"); pw.println(mUnrestrictedScreenHeight);
7025        pw.print(prefix); pw.print("mRestrictedScreen=("); pw.print(mRestrictedScreenLeft);
7026                pw.print(","); pw.print(mRestrictedScreenTop);
7027                pw.print(") "); pw.print(mRestrictedScreenWidth);
7028                pw.print("x"); pw.println(mRestrictedScreenHeight);
7029        pw.print(prefix); pw.print("mStableFullscreen=("); pw.print(mStableFullscreenLeft);
7030                pw.print(","); pw.print(mStableFullscreenTop);
7031                pw.print(")-("); pw.print(mStableFullscreenRight);
7032                pw.print(","); pw.print(mStableFullscreenBottom); pw.println(")");
7033        pw.print(prefix); pw.print("mStable=("); pw.print(mStableLeft);
7034                pw.print(","); pw.print(mStableTop);
7035                pw.print(")-("); pw.print(mStableRight);
7036                pw.print(","); pw.print(mStableBottom); pw.println(")");
7037        pw.print(prefix); pw.print("mSystem=("); pw.print(mSystemLeft);
7038                pw.print(","); pw.print(mSystemTop);
7039                pw.print(")-("); pw.print(mSystemRight);
7040                pw.print(","); pw.print(mSystemBottom); pw.println(")");
7041        pw.print(prefix); pw.print("mCur=("); pw.print(mCurLeft);
7042                pw.print(","); pw.print(mCurTop);
7043                pw.print(")-("); pw.print(mCurRight);
7044                pw.print(","); pw.print(mCurBottom); pw.println(")");
7045        pw.print(prefix); pw.print("mContent=("); pw.print(mContentLeft);
7046                pw.print(","); pw.print(mContentTop);
7047                pw.print(")-("); pw.print(mContentRight);
7048                pw.print(","); pw.print(mContentBottom); pw.println(")");
7049        pw.print(prefix); pw.print("mVoiceContent=("); pw.print(mVoiceContentLeft);
7050                pw.print(","); pw.print(mVoiceContentTop);
7051                pw.print(")-("); pw.print(mVoiceContentRight);
7052                pw.print(","); pw.print(mVoiceContentBottom); pw.println(")");
7053        pw.print(prefix); pw.print("mDock=("); pw.print(mDockLeft);
7054                pw.print(","); pw.print(mDockTop);
7055                pw.print(")-("); pw.print(mDockRight);
7056                pw.print(","); pw.print(mDockBottom); pw.println(")");
7057        pw.print(prefix); pw.print("mDockLayer="); pw.print(mDockLayer);
7058                pw.print(" mStatusBarLayer="); pw.println(mStatusBarLayer);
7059        pw.print(prefix); pw.print("mShowingLockscreen="); pw.print(mShowingLockscreen);
7060                pw.print(" mShowingDream="); pw.print(mShowingDream);
7061                pw.print(" mDreamingLockscreen="); pw.print(mDreamingLockscreen);
7062                pw.print(" mDreamingSleepToken="); pw.println(mDreamingSleepToken);
7063        if (mLastInputMethodWindow != null) {
7064            pw.print(prefix); pw.print("mLastInputMethodWindow=");
7065                    pw.println(mLastInputMethodWindow);
7066        }
7067        if (mLastInputMethodTargetWindow != null) {
7068            pw.print(prefix); pw.print("mLastInputMethodTargetWindow=");
7069                    pw.println(mLastInputMethodTargetWindow);
7070        }
7071        if (mStatusBar != null) {
7072            pw.print(prefix); pw.print("mStatusBar=");
7073                    pw.print(mStatusBar); pw.print(" isStatusBarKeyguard=");
7074                    pw.println(isStatusBarKeyguard());
7075        }
7076        if (mNavigationBar != null) {
7077            pw.print(prefix); pw.print("mNavigationBar=");
7078                    pw.println(mNavigationBar);
7079        }
7080        if (mFocusedWindow != null) {
7081            pw.print(prefix); pw.print("mFocusedWindow=");
7082                    pw.println(mFocusedWindow);
7083        }
7084        if (mFocusedApp != null) {
7085            pw.print(prefix); pw.print("mFocusedApp=");
7086                    pw.println(mFocusedApp);
7087        }
7088        if (mWinDismissingKeyguard != null) {
7089            pw.print(prefix); pw.print("mWinDismissingKeyguard=");
7090                    pw.println(mWinDismissingKeyguard);
7091        }
7092        if (mTopFullscreenOpaqueWindowState != null) {
7093            pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
7094                    pw.println(mTopFullscreenOpaqueWindowState);
7095        }
7096        if (mTopFullscreenOpaqueOrDimmingWindowState != null) {
7097            pw.print(prefix); pw.print("mTopFullscreenOpaqueOrDimmingWindowState=");
7098                    pw.println(mTopFullscreenOpaqueOrDimmingWindowState);
7099        }
7100        if (mForcingShowNavBar) {
7101            pw.print(prefix); pw.print("mForcingShowNavBar=");
7102                    pw.println(mForcingShowNavBar); pw.print( "mForcingShowNavBarLayer=");
7103                    pw.println(mForcingShowNavBarLayer);
7104        }
7105        pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
7106                pw.print(" mHideLockScreen="); pw.println(mHideLockScreen);
7107        pw.print(prefix); pw.print("mForceStatusBar="); pw.print(mForceStatusBar);
7108                pw.print(" mForceStatusBarFromKeyguard=");
7109                pw.println(mForceStatusBarFromKeyguard);
7110        pw.print(prefix); pw.print("mDismissKeyguard="); pw.print(mDismissKeyguard);
7111                pw.print(" mWinDismissingKeyguard="); pw.print(mWinDismissingKeyguard);
7112                pw.print(" mHomePressed="); pw.println(mHomePressed);
7113        pw.print(prefix); pw.print("mAllowLockscreenWhenOn="); pw.print(mAllowLockscreenWhenOn);
7114                pw.print(" mLockScreenTimeout="); pw.print(mLockScreenTimeout);
7115                pw.print(" mLockScreenTimerActive="); pw.println(mLockScreenTimerActive);
7116        pw.print(prefix); pw.print("mEndcallBehavior="); pw.print(mEndcallBehavior);
7117                pw.print(" mIncallPowerBehavior="); pw.print(mIncallPowerBehavior);
7118                pw.print(" mLongPressOnHomeBehavior="); pw.println(mLongPressOnHomeBehavior);
7119        pw.print(prefix); pw.print("mLandscapeRotation="); pw.print(mLandscapeRotation);
7120                pw.print(" mSeascapeRotation="); pw.println(mSeascapeRotation);
7121        pw.print(prefix); pw.print("mPortraitRotation="); pw.print(mPortraitRotation);
7122                pw.print(" mUpsideDownRotation="); pw.println(mUpsideDownRotation);
7123        pw.print(prefix); pw.print("mDemoHdmiRotation="); pw.print(mDemoHdmiRotation);
7124                pw.print(" mDemoHdmiRotationLock="); pw.println(mDemoHdmiRotationLock);
7125        pw.print(prefix); pw.print("mUndockedHdmiRotation="); pw.println(mUndockedHdmiRotation);
7126
7127        mGlobalKeyManager.dump(prefix, pw);
7128        mStatusBarController.dump(pw, prefix);
7129        mNavigationBarController.dump(pw, prefix);
7130        PolicyControl.dump(prefix, pw);
7131
7132        if (mWakeGestureListener != null) {
7133            mWakeGestureListener.dump(pw, prefix);
7134        }
7135        if (mOrientationListener != null) {
7136            mOrientationListener.dump(pw, prefix);
7137        }
7138        if (mBurnInProtectionHelper != null) {
7139            mBurnInProtectionHelper.dump(prefix, pw);
7140        }
7141        if (mKeyguardDelegate != null) {
7142            mKeyguardDelegate.dump(prefix, pw);
7143        }
7144    }
7145}
7146