PhoneWindowManager.java revision 765487f929f3d91ab3cd130b6b1d2008b25c4728 
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 (keyCode == KeyEvent.KEYCODE_VOLUME_UP
2967                || keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
2968                || keyCode == KeyEvent.KEYCODE_VOLUME_MUTE) {
2969            if (mUseTvRouting) {
2970                // On TVs volume keys never go to the foreground app.
2971                dispatchDirectAudioEvent(event);
2972                return -1;
2973            }
2974        } else if (KeyEvent.isMetaKey(keyCode)) {
2975            if (down) {
2976                mPendingMetaAction = true;
2977            } else if (mPendingMetaAction) {
2978                launchAssistAction(Intent.EXTRA_ASSIST_INPUT_HINT_KEYBOARD, event.getDeviceId());
2979            }
2980            return -1;
2981        }
2982
2983        // Shortcuts are invoked through Search+key, so intercept those here
2984        // Any printing key that is chorded with Search should be consumed
2985        // even if no shortcut was invoked.  This prevents text from being
2986        // inadvertently inserted when using a keyboard that has built-in macro
2987        // shortcut keys (that emit Search+x) and some of them are not registered.
2988        if (mSearchKeyShortcutPending) {
2989            final KeyCharacterMap kcm = event.getKeyCharacterMap();
2990            if (kcm.isPrintingKey(keyCode)) {
2991                mConsumeSearchKeyUp = true;
2992                mSearchKeyShortcutPending = false;
2993                if (down && repeatCount == 0 && !keyguardOn) {
2994                    Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState);
2995                    if (shortcutIntent != null) {
2996                        shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2997                        try {
2998                            startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
2999                        } catch (ActivityNotFoundException ex) {
3000                            Slog.w(TAG, "Dropping shortcut key combination because "
3001                                    + "the activity to which it is registered was not found: "
3002                                    + "SEARCH+" + KeyEvent.keyCodeToString(keyCode), ex);
3003                        }
3004                    } else {
3005                        Slog.i(TAG, "Dropping unregistered shortcut key combination: "
3006                                + "SEARCH+" + KeyEvent.keyCodeToString(keyCode));
3007                    }
3008                }
3009                return -1;
3010            }
3011        }
3012
3013        // Invoke shortcuts using Meta.
3014        if (down && repeatCount == 0 && !keyguardOn
3015                && (metaState & KeyEvent.META_META_ON) != 0) {
3016            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3017            if (kcm.isPrintingKey(keyCode)) {
3018                Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode,
3019                        metaState & ~(KeyEvent.META_META_ON
3020                                | KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_RIGHT_ON));
3021                if (shortcutIntent != null) {
3022                    shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3023                    try {
3024                        startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3025                    } catch (ActivityNotFoundException ex) {
3026                        Slog.w(TAG, "Dropping shortcut key combination because "
3027                                + "the activity to which it is registered was not found: "
3028                                + "META+" + KeyEvent.keyCodeToString(keyCode), ex);
3029                    }
3030                    return -1;
3031                }
3032            }
3033        }
3034
3035        // Handle application launch keys.
3036        if (down && repeatCount == 0 && !keyguardOn) {
3037            String category = sApplicationLaunchKeyCategories.get(keyCode);
3038            if (category != null) {
3039                Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, category);
3040                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3041                try {
3042                    startActivityAsUser(intent, UserHandle.CURRENT);
3043                } catch (ActivityNotFoundException ex) {
3044                    Slog.w(TAG, "Dropping application launch key because "
3045                            + "the activity to which it is registered was not found: "
3046                            + "keyCode=" + keyCode + ", category=" + category, ex);
3047                }
3048                return -1;
3049            }
3050        }
3051
3052        // Display task switcher for ALT-TAB.
3053        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_TAB) {
3054            if (mRecentAppsHeldModifiers == 0 && !keyguardOn && isUserSetupComplete()) {
3055                final int shiftlessModifiers = event.getModifiers() & ~KeyEvent.META_SHIFT_MASK;
3056                if (KeyEvent.metaStateHasModifiers(shiftlessModifiers, KeyEvent.META_ALT_ON)) {
3057                    mRecentAppsHeldModifiers = shiftlessModifiers;
3058                    showRecentApps(true);
3059                    return -1;
3060                }
3061            }
3062        } else if (!down && mRecentAppsHeldModifiers != 0
3063                && (metaState & mRecentAppsHeldModifiers) == 0) {
3064            mRecentAppsHeldModifiers = 0;
3065            hideRecentApps(true, false);
3066        }
3067
3068        // Handle keyboard layout switching.
3069        // TODO: Deprecate this behavior when we fully migrate to IME subtype-based layout rotation.
3070        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_SPACE
3071                && ((metaState & KeyEvent.META_CTRL_MASK) != 0)) {
3072            int direction = (metaState & KeyEvent.META_SHIFT_MASK) != 0 ? -1 : 1;
3073            mWindowManagerFuncs.switchKeyboardLayout(event.getDeviceId(), direction);
3074            return -1;
3075        }
3076
3077        // Handle input method switching.
3078        if (down && repeatCount == 0
3079                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3080                        || (keyCode == KeyEvent.KEYCODE_SPACE
3081                                && (metaState & KeyEvent.META_META_MASK) != 0))) {
3082            final boolean forwardDirection = (metaState & KeyEvent.META_SHIFT_MASK) == 0;
3083            mWindowManagerFuncs.switchInputMethod(forwardDirection);
3084            return -1;
3085        }
3086        if (mLanguageSwitchKeyPressed && !down
3087                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3088                        || keyCode == KeyEvent.KEYCODE_SPACE)) {
3089            mLanguageSwitchKeyPressed = false;
3090            return -1;
3091        }
3092
3093        if (isValidGlobalKey(keyCode)
3094                && mGlobalKeyManager.handleGlobalKey(mContext, keyCode, event)) {
3095            return -1;
3096        }
3097
3098        // Reserve all the META modifier combos for system behavior
3099        if ((metaState & KeyEvent.META_META_ON) != 0) {
3100            return -1;
3101        }
3102
3103        // Let the application handle the key.
3104        return 0;
3105    }
3106
3107    /** {@inheritDoc} */
3108    @Override
3109    public KeyEvent dispatchUnhandledKey(WindowState win, KeyEvent event, int policyFlags) {
3110        // Note: This method is only called if the initial down was unhandled.
3111        if (DEBUG_INPUT) {
3112            Slog.d(TAG, "Unhandled key: win=" + win + ", action=" + event.getAction()
3113                    + ", flags=" + event.getFlags()
3114                    + ", keyCode=" + event.getKeyCode()
3115                    + ", scanCode=" + event.getScanCode()
3116                    + ", metaState=" + event.getMetaState()
3117                    + ", repeatCount=" + event.getRepeatCount()
3118                    + ", policyFlags=" + policyFlags);
3119        }
3120
3121        KeyEvent fallbackEvent = null;
3122        if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
3123            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3124            final int keyCode = event.getKeyCode();
3125            final int metaState = event.getMetaState();
3126            final boolean initialDown = event.getAction() == KeyEvent.ACTION_DOWN
3127                    && event.getRepeatCount() == 0;
3128
3129            // Check for fallback actions specified by the key character map.
3130            final FallbackAction fallbackAction;
3131            if (initialDown) {
3132                fallbackAction = kcm.getFallbackAction(keyCode, metaState);
3133            } else {
3134                fallbackAction = mFallbackActions.get(keyCode);
3135            }
3136
3137            if (fallbackAction != null) {
3138                if (DEBUG_INPUT) {
3139                    Slog.d(TAG, "Fallback: keyCode=" + fallbackAction.keyCode
3140                            + " metaState=" + Integer.toHexString(fallbackAction.metaState));
3141                }
3142
3143                final int flags = event.getFlags() | KeyEvent.FLAG_FALLBACK;
3144                fallbackEvent = KeyEvent.obtain(
3145                        event.getDownTime(), event.getEventTime(),
3146                        event.getAction(), fallbackAction.keyCode,
3147                        event.getRepeatCount(), fallbackAction.metaState,
3148                        event.getDeviceId(), event.getScanCode(),
3149                        flags, event.getSource(), null);
3150
3151                if (!interceptFallback(win, fallbackEvent, policyFlags)) {
3152                    fallbackEvent.recycle();
3153                    fallbackEvent = null;
3154                }
3155
3156                if (initialDown) {
3157                    mFallbackActions.put(keyCode, fallbackAction);
3158                } else if (event.getAction() == KeyEvent.ACTION_UP) {
3159                    mFallbackActions.remove(keyCode);
3160                    fallbackAction.recycle();
3161                }
3162            }
3163        }
3164
3165        if (DEBUG_INPUT) {
3166            if (fallbackEvent == null) {
3167                Slog.d(TAG, "No fallback.");
3168            } else {
3169                Slog.d(TAG, "Performing fallback: " + fallbackEvent);
3170            }
3171        }
3172        return fallbackEvent;
3173    }
3174
3175    private boolean interceptFallback(WindowState win, KeyEvent fallbackEvent, int policyFlags) {
3176        int actions = interceptKeyBeforeQueueing(fallbackEvent, policyFlags);
3177        if ((actions & ACTION_PASS_TO_USER) != 0) {
3178            long delayMillis = interceptKeyBeforeDispatching(
3179                    win, fallbackEvent, policyFlags);
3180            if (delayMillis == 0) {
3181                return true;
3182            }
3183        }
3184        return false;
3185    }
3186
3187    private void launchAssistLongPressAction() {
3188        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
3189        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3190
3191        // launch the search activity
3192        Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
3193        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3194        try {
3195            // TODO: This only stops the factory-installed search manager.
3196            // Need to formalize an API to handle others
3197            SearchManager searchManager = getSearchManager();
3198            if (searchManager != null) {
3199                searchManager.stopSearch();
3200            }
3201            startActivityAsUser(intent, UserHandle.CURRENT);
3202        } catch (ActivityNotFoundException e) {
3203            Slog.w(TAG, "No activity to handle assist long press action.", e);
3204        }
3205    }
3206
3207    private void launchAssistAction(String hint, int deviceId) {
3208        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3209        if (!isUserSetupComplete()) {
3210            // Disable opening assist window during setup
3211            return;
3212        }
3213        Bundle args = null;
3214        if (deviceId > Integer.MIN_VALUE) {
3215            args = new Bundle();
3216            args.putInt(Intent.EXTRA_ASSIST_INPUT_DEVICE_ID, deviceId);
3217        }
3218        if ((mContext.getResources().getConfiguration().uiMode
3219                & Configuration.UI_MODE_TYPE_MASK) == Configuration.UI_MODE_TYPE_TELEVISION) {
3220            // On TV, use legacy handling until assistants are implemented in the proper way.
3221            ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
3222                    .launchLegacyAssist(hint, UserHandle.myUserId(), args);
3223        } else {
3224            try {
3225                if (hint != null) {
3226                    if (args == null) {
3227                        args = new Bundle();
3228                    }
3229                    args.putBoolean(hint, true);
3230                }
3231                IStatusBarService statusbar = getStatusBarService();
3232                if (statusbar != null) {
3233                    statusbar.startAssist(args);
3234                }
3235            } catch (RemoteException e) {
3236                Slog.e(TAG, "RemoteException when starting assist", e);
3237                // re-acquire status bar service next time it is needed.
3238                mStatusBarService = null;
3239            }
3240        }
3241    }
3242
3243    private void startActivityAsUser(Intent intent, UserHandle handle) {
3244        if (isUserSetupComplete()) {
3245            mContext.startActivityAsUser(intent, handle);
3246        } else {
3247            Slog.i(TAG, "Not starting activity because user setup is in progress: " + intent);
3248        }
3249    }
3250
3251    private SearchManager getSearchManager() {
3252        if (mSearchManager == null) {
3253            mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
3254        }
3255        return mSearchManager;
3256    }
3257
3258    private void preloadRecentApps() {
3259        mPreloadedRecentApps = true;
3260        try {
3261            IStatusBarService statusbar = getStatusBarService();
3262            if (statusbar != null) {
3263                statusbar.preloadRecentApps();
3264            }
3265        } catch (RemoteException e) {
3266            Slog.e(TAG, "RemoteException when preloading recent apps", e);
3267            // re-acquire status bar service next time it is needed.
3268            mStatusBarService = null;
3269        }
3270    }
3271
3272    private void cancelPreloadRecentApps() {
3273        if (mPreloadedRecentApps) {
3274            mPreloadedRecentApps = false;
3275            try {
3276                IStatusBarService statusbar = getStatusBarService();
3277                if (statusbar != null) {
3278                    statusbar.cancelPreloadRecentApps();
3279                }
3280            } catch (RemoteException e) {
3281                Slog.e(TAG, "RemoteException when cancelling recent apps preload", e);
3282                // re-acquire status bar service next time it is needed.
3283                mStatusBarService = null;
3284            }
3285        }
3286    }
3287
3288    private void toggleRecentApps() {
3289        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3290        try {
3291            IStatusBarService statusbar = getStatusBarService();
3292            if (statusbar != null) {
3293                statusbar.toggleRecentApps();
3294            }
3295        } catch (RemoteException e) {
3296            Slog.e(TAG, "RemoteException when toggling recent apps", e);
3297            // re-acquire status bar service next time it is needed.
3298            mStatusBarService = null;
3299        }
3300    }
3301
3302    @Override
3303    public void showRecentApps() {
3304        mHandler.removeMessages(MSG_DISPATCH_SHOW_RECENTS);
3305        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_RECENTS);
3306    }
3307
3308    private void showRecentApps(boolean triggeredFromAltTab) {
3309        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3310        try {
3311            IStatusBarService statusbar = getStatusBarService();
3312            if (statusbar != null) {
3313                statusbar.showRecentApps(triggeredFromAltTab);
3314            }
3315        } catch (RemoteException e) {
3316            Slog.e(TAG, "RemoteException when showing recent apps", e);
3317            // re-acquire status bar service next time it is needed.
3318            mStatusBarService = null;
3319        }
3320    }
3321
3322    private void showKeyboardShortcutsMenu() {
3323        try {
3324            IStatusBarService statusbar = getStatusBarService();
3325            if (statusbar != null) {
3326                statusbar.showKeyboardShortcutsMenu();
3327            }
3328        } catch (RemoteException e) {
3329            Slog.e(TAG, "RemoteException when showing keyboard shortcuts menu", e);
3330        }
3331    }
3332
3333    private void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHome) {
3334        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3335        try {
3336            IStatusBarService statusbar = getStatusBarService();
3337            if (statusbar != null) {
3338                statusbar.hideRecentApps(triggeredFromAltTab, triggeredFromHome);
3339            }
3340        } catch (RemoteException e) {
3341            Slog.e(TAG, "RemoteException when closing recent apps", e);
3342            // re-acquire status bar service next time it is needed.
3343            mStatusBarService = null;
3344        }
3345    }
3346
3347    void launchHomeFromHotKey() {
3348        launchHomeFromHotKey(true /* awakenFromDreams */, true /*respectKeyguard*/);
3349    }
3350
3351    /**
3352     * A home key -> launch home action was detected.  Take the appropriate action
3353     * given the situation with the keyguard.
3354     */
3355    void launchHomeFromHotKey(final boolean awakenFromDreams, final boolean respectKeyguard) {
3356        if (respectKeyguard) {
3357            if (isKeyguardShowingAndNotOccluded()) {
3358                // don't launch home if keyguard showing
3359                return;
3360            }
3361
3362            if (!mHideLockScreen && mKeyguardDelegate.isInputRestricted()) {
3363                // when in keyguard restricted mode, must first verify unlock
3364                // before launching home
3365                mKeyguardDelegate.verifyUnlock(new OnKeyguardExitResult() {
3366                    @Override
3367                    public void onKeyguardExitResult(boolean success) {
3368                        if (success) {
3369                            try {
3370                                ActivityManagerNative.getDefault().stopAppSwitches();
3371                            } catch (RemoteException e) {
3372                            }
3373                            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3374                            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3375                        }
3376                    }
3377                });
3378                return;
3379            }
3380        }
3381
3382        // no keyguard stuff to worry about, just launch home!
3383        try {
3384            ActivityManagerNative.getDefault().stopAppSwitches();
3385        } catch (RemoteException e) {
3386        }
3387        if (mRecentsVisible) {
3388            // Hide Recents and notify it to launch Home
3389            if (awakenFromDreams) {
3390                awakenDreams();
3391            }
3392            hideRecentApps(false, true);
3393        } else {
3394            // Otherwise, just launch Home
3395            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3396            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3397        }
3398    }
3399
3400    private final Runnable mClearHideNavigationFlag = new Runnable() {
3401        @Override
3402        public void run() {
3403            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3404                // Clear flags.
3405                mForceClearedSystemUiFlags &=
3406                        ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3407            }
3408            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3409        }
3410    };
3411
3412    /**
3413     * Input handler used while nav bar is hidden.  Captures any touch on the screen,
3414     * to determine when the nav bar should be shown and prevent applications from
3415     * receiving those touches.
3416     */
3417    final class HideNavInputEventReceiver extends InputEventReceiver {
3418        public HideNavInputEventReceiver(InputChannel inputChannel, Looper looper) {
3419            super(inputChannel, looper);
3420        }
3421
3422        @Override
3423        public void onInputEvent(InputEvent event) {
3424            boolean handled = false;
3425            try {
3426                if (event instanceof MotionEvent
3427                        && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
3428                    final MotionEvent motionEvent = (MotionEvent)event;
3429                    if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
3430                        // When the user taps down, we re-show the nav bar.
3431                        boolean changed = false;
3432                        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3433                            // Any user activity always causes us to show the
3434                            // navigation controls, if they had been hidden.
3435                            // We also clear the low profile and only content
3436                            // flags so that tapping on the screen will atomically
3437                            // restore all currently hidden screen decorations.
3438                            int newVal = mResettingSystemUiFlags |
3439                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
3440                                    View.SYSTEM_UI_FLAG_LOW_PROFILE |
3441                                    View.SYSTEM_UI_FLAG_FULLSCREEN;
3442                            if (mResettingSystemUiFlags != newVal) {
3443                                mResettingSystemUiFlags = newVal;
3444                                changed = true;
3445                            }
3446                            // We don't allow the system's nav bar to be hidden
3447                            // again for 1 second, to prevent applications from
3448                            // spamming us and keeping it from being shown.
3449                            newVal = mForceClearedSystemUiFlags |
3450                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3451                            if (mForceClearedSystemUiFlags != newVal) {
3452                                mForceClearedSystemUiFlags = newVal;
3453                                changed = true;
3454                                mHandler.postDelayed(mClearHideNavigationFlag, 1000);
3455                            }
3456                        }
3457                        if (changed) {
3458                            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3459                        }
3460                    }
3461                }
3462            } finally {
3463                finishInputEvent(event, handled);
3464            }
3465        }
3466    }
3467    final InputEventReceiver.Factory mHideNavInputEventReceiverFactory =
3468            new InputEventReceiver.Factory() {
3469        @Override
3470        public InputEventReceiver createInputEventReceiver(
3471                InputChannel inputChannel, Looper looper) {
3472            return new HideNavInputEventReceiver(inputChannel, looper);
3473        }
3474    };
3475
3476    @Override
3477    public int adjustSystemUiVisibilityLw(int visibility) {
3478        mStatusBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3479        mNavigationBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3480        mRecentsVisible = (visibility & View.RECENT_APPS_VISIBLE) > 0;
3481
3482        // Reset any bits in mForceClearingStatusBarVisibility that
3483        // are now clear.
3484        mResettingSystemUiFlags &= visibility;
3485        // Clear any bits in the new visibility that are currently being
3486        // force cleared, before reporting it.
3487        return visibility & ~mResettingSystemUiFlags
3488                & ~mForceClearedSystemUiFlags;
3489    }
3490
3491    @Override
3492    public void getInsetHintLw(WindowManager.LayoutParams attrs, int displayRotation,
3493            Rect outContentInsets, Rect outStableInsets, Rect outOutsets) {
3494        final int fl = PolicyControl.getWindowFlags(null, attrs);
3495        final int sysuiVis = PolicyControl.getSystemUiVisibility(null, attrs);
3496        final int systemUiVisibility = (sysuiVis | attrs.subtreeSystemUiVisibility);
3497
3498        final boolean useOutsets = outOutsets != null && shouldUseOutsets(attrs, fl);
3499        if (useOutsets) {
3500            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
3501            if (outset > 0) {
3502                if (displayRotation == Surface.ROTATION_0) {
3503                    outOutsets.bottom += outset;
3504                } else if (displayRotation == Surface.ROTATION_90) {
3505                    outOutsets.right += outset;
3506                } else if (displayRotation == Surface.ROTATION_180) {
3507                    outOutsets.top += outset;
3508                } else if (displayRotation == Surface.ROTATION_270) {
3509                    outOutsets.left += outset;
3510                }
3511            }
3512        }
3513
3514        if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3515                == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3516            int availRight, availBottom;
3517            if (canHideNavigationBar() &&
3518                    (systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0) {
3519                availRight = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3520                availBottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3521            } else {
3522                availRight = mRestrictedScreenLeft + mRestrictedScreenWidth;
3523                availBottom = mRestrictedScreenTop + mRestrictedScreenHeight;
3524            }
3525            if ((systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3526                if ((fl & FLAG_FULLSCREEN) != 0) {
3527                    outContentInsets.set(mStableFullscreenLeft, mStableFullscreenTop,
3528                            availRight - mStableFullscreenRight,
3529                            availBottom - mStableFullscreenBottom);
3530                } else {
3531                    outContentInsets.set(mStableLeft, mStableTop,
3532                            availRight - mStableRight, availBottom - mStableBottom);
3533                }
3534            } else if ((fl & FLAG_FULLSCREEN) != 0 || (fl & FLAG_LAYOUT_IN_OVERSCAN) != 0) {
3535                outContentInsets.setEmpty();
3536            } else if ((systemUiVisibility & (View.SYSTEM_UI_FLAG_FULLSCREEN
3537                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)) == 0) {
3538                outContentInsets.set(mCurLeft, mCurTop,
3539                        availRight - mCurRight, availBottom - mCurBottom);
3540            } else {
3541                outContentInsets.set(mCurLeft, mCurTop,
3542                        availRight - mCurRight, availBottom - mCurBottom);
3543            }
3544
3545            outStableInsets.set(mStableLeft, mStableTop,
3546                    availRight - mStableRight, availBottom - mStableBottom);
3547            return;
3548        }
3549        outContentInsets.setEmpty();
3550        outStableInsets.setEmpty();
3551    }
3552
3553    private boolean shouldUseOutsets(WindowManager.LayoutParams attrs, int fl) {
3554        return attrs.type == TYPE_WALLPAPER || (fl & (WindowManager.LayoutParams.FLAG_FULLSCREEN
3555                | WindowManager.LayoutParams.FLAG_LAYOUT_IN_OVERSCAN)) != 0;
3556    }
3557
3558    /** {@inheritDoc} */
3559    @Override
3560    public void beginLayoutLw(boolean isDefaultDisplay, int displayWidth, int displayHeight,
3561                              int displayRotation) {
3562        mDisplayRotation = displayRotation;
3563        final int overscanLeft, overscanTop, overscanRight, overscanBottom;
3564        if (isDefaultDisplay) {
3565            switch (displayRotation) {
3566                case Surface.ROTATION_90:
3567                    overscanLeft = mOverscanTop;
3568                    overscanTop = mOverscanRight;
3569                    overscanRight = mOverscanBottom;
3570                    overscanBottom = mOverscanLeft;
3571                    break;
3572                case Surface.ROTATION_180:
3573                    overscanLeft = mOverscanRight;
3574                    overscanTop = mOverscanBottom;
3575                    overscanRight = mOverscanLeft;
3576                    overscanBottom = mOverscanTop;
3577                    break;
3578                case Surface.ROTATION_270:
3579                    overscanLeft = mOverscanBottom;
3580                    overscanTop = mOverscanLeft;
3581                    overscanRight = mOverscanTop;
3582                    overscanBottom = mOverscanRight;
3583                    break;
3584                default:
3585                    overscanLeft = mOverscanLeft;
3586                    overscanTop = mOverscanTop;
3587                    overscanRight = mOverscanRight;
3588                    overscanBottom = mOverscanBottom;
3589                    break;
3590            }
3591        } else {
3592            overscanLeft = 0;
3593            overscanTop = 0;
3594            overscanRight = 0;
3595            overscanBottom = 0;
3596        }
3597        mOverscanScreenLeft = mRestrictedOverscanScreenLeft = 0;
3598        mOverscanScreenTop = mRestrictedOverscanScreenTop = 0;
3599        mOverscanScreenWidth = mRestrictedOverscanScreenWidth = displayWidth;
3600        mOverscanScreenHeight = mRestrictedOverscanScreenHeight = displayHeight;
3601        mSystemLeft = 0;
3602        mSystemTop = 0;
3603        mSystemRight = displayWidth;
3604        mSystemBottom = displayHeight;
3605        mUnrestrictedScreenLeft = overscanLeft;
3606        mUnrestrictedScreenTop = overscanTop;
3607        mUnrestrictedScreenWidth = displayWidth - overscanLeft - overscanRight;
3608        mUnrestrictedScreenHeight = displayHeight - overscanTop - overscanBottom;
3609        mRestrictedScreenLeft = mUnrestrictedScreenLeft;
3610        mRestrictedScreenTop = mUnrestrictedScreenTop;
3611        mRestrictedScreenWidth = mSystemGestures.screenWidth = mUnrestrictedScreenWidth;
3612        mRestrictedScreenHeight = mSystemGestures.screenHeight = mUnrestrictedScreenHeight;
3613        mDockLeft = mContentLeft = mVoiceContentLeft = mStableLeft = mStableFullscreenLeft
3614                = mCurLeft = mUnrestrictedScreenLeft;
3615        mDockTop = mContentTop = mVoiceContentTop = mStableTop = mStableFullscreenTop
3616                = mCurTop = mUnrestrictedScreenTop;
3617        mDockRight = mContentRight = mVoiceContentRight = mStableRight = mStableFullscreenRight
3618                = mCurRight = displayWidth - overscanRight;
3619        mDockBottom = mContentBottom = mVoiceContentBottom = mStableBottom = mStableFullscreenBottom
3620                = mCurBottom = displayHeight - overscanBottom;
3621        mDockLayer = 0x10000000;
3622        mStatusBarLayer = -1;
3623
3624        // start with the current dock rect, which will be (0,0,displayWidth,displayHeight)
3625        final Rect pf = mTmpParentFrame;
3626        final Rect df = mTmpDisplayFrame;
3627        final Rect of = mTmpOverscanFrame;
3628        final Rect vf = mTmpVisibleFrame;
3629        final Rect dcf = mTmpDecorFrame;
3630        pf.left = df.left = of.left = vf.left = mDockLeft;
3631        pf.top = df.top = of.top = vf.top = mDockTop;
3632        pf.right = df.right = of.right = vf.right = mDockRight;
3633        pf.bottom = df.bottom = of.bottom = vf.bottom = mDockBottom;
3634        dcf.setEmpty();  // Decor frame N/A for system bars.
3635
3636        if (isDefaultDisplay) {
3637            // For purposes of putting out fake window up to steal focus, we will
3638            // drive nav being hidden only by whether it is requested.
3639            final int sysui = mLastSystemUiFlags;
3640            boolean navVisible = (sysui & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0;
3641            boolean navTranslucent = (sysui
3642                    & (View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT)) != 0;
3643            boolean immersive = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
3644            boolean immersiveSticky = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
3645            boolean navAllowedHidden = immersive || immersiveSticky;
3646            navTranslucent &= !immersiveSticky;  // transient trumps translucent
3647            boolean isKeyguardShowing = isStatusBarKeyguard() && !mHideLockScreen;
3648            if (!isKeyguardShowing) {
3649                navTranslucent &= areTranslucentBarsAllowed();
3650            }
3651
3652            // When the navigation bar isn't visible, we put up a fake
3653            // input window to catch all touch events.  This way we can
3654            // detect when the user presses anywhere to bring back the nav
3655            // bar and ensure the application doesn't see the event.
3656            if (navVisible || navAllowedHidden) {
3657                if (mInputConsumer != null) {
3658                    mInputConsumer.dismiss();
3659                    mInputConsumer = null;
3660                }
3661            } else if (mInputConsumer == null) {
3662                mInputConsumer = mWindowManagerFuncs.addInputConsumer(mHandler.getLooper(),
3663                        mHideNavInputEventReceiverFactory);
3664            }
3665
3666            // For purposes of positioning and showing the nav bar, if we have
3667            // decided that it can't be hidden (because of the screen aspect ratio),
3668            // then take that into account.
3669            navVisible |= !canHideNavigationBar();
3670
3671            boolean updateSysUiVisibility = layoutNavigationBar(displayWidth, displayHeight,
3672                    displayRotation, overscanRight, overscanBottom, dcf, navVisible, navTranslucent,
3673                    navAllowedHidden);
3674            if (DEBUG_LAYOUT) Slog.i(TAG, String.format("mDock rect: (%d,%d - %d,%d)",
3675                    mDockLeft, mDockTop, mDockRight, mDockBottom));
3676            updateSysUiVisibility |= layoutStatusBar(pf, df, of, vf, dcf, sysui, isKeyguardShowing);
3677            if (updateSysUiVisibility) {
3678                updateSystemUiVisibilityLw();
3679            }
3680        }
3681    }
3682
3683    private boolean layoutStatusBar(Rect pf, Rect df, Rect of, Rect vf, Rect dcf, int sysui,
3684            boolean isKeyguardShowing) {
3685        // decide where the status bar goes ahead of time
3686        if (mStatusBar != null) {
3687            // apply any navigation bar insets
3688            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3689            pf.top = df.top = of.top = mUnrestrictedScreenTop;
3690            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
3691            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight
3692                    + mUnrestrictedScreenTop;
3693            vf.left = mStableLeft;
3694            vf.top = mStableTop;
3695            vf.right = mStableRight;
3696            vf.bottom = mStableBottom;
3697
3698            mStatusBarLayer = mStatusBar.getSurfaceLayer();
3699
3700            // Let the status bar determine its size.
3701            mStatusBar.computeFrameLw(pf /* parentFrame */, df /* displayFrame */,
3702                    vf /* overlayFrame */, vf /* contentFrame */, vf /* visibleFrame */,
3703                    dcf /* decorFrame */, vf /* stableFrame */, vf /* outsetFrame */);
3704
3705            // For layout, the status bar is always at the top with our fixed height.
3706            mStableTop = mUnrestrictedScreenTop + mStatusBarHeight;
3707
3708            boolean statusBarTransient = (sysui & View.STATUS_BAR_TRANSIENT) != 0;
3709            boolean statusBarTranslucent = (sysui
3710                    & (View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT)) != 0;
3711            if (!isKeyguardShowing) {
3712                statusBarTranslucent &= areTranslucentBarsAllowed();
3713            }
3714
3715            // If the status bar is hidden, we don't want to cause
3716            // windows behind it to scroll.
3717            if (mStatusBar.isVisibleLw() && !statusBarTransient) {
3718                // Status bar may go away, so the screen area it occupies
3719                // is available to apps but just covering them when the
3720                // status bar is visible.
3721                mDockTop = mUnrestrictedScreenTop + mStatusBarHeight;
3722
3723                mContentTop = mVoiceContentTop = mCurTop = mDockTop;
3724                mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
3725                mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
3726                mContentRight = mVoiceContentRight = mCurRight = mDockRight;
3727
3728                if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar: " +
3729                        String.format(
3730                                "dock=[%d,%d][%d,%d] content=[%d,%d][%d,%d] cur=[%d,%d][%d,%d]",
3731                                mDockLeft, mDockTop, mDockRight, mDockBottom,
3732                                mContentLeft, mContentTop, mContentRight, mContentBottom,
3733                                mCurLeft, mCurTop, mCurRight, mCurBottom));
3734            }
3735            if (mStatusBar.isVisibleLw() && !mStatusBar.isAnimatingLw()
3736                    && !statusBarTransient && !statusBarTranslucent
3737                    && !mStatusBarController.wasRecentlyTranslucent()) {
3738                // If the opaque status bar is currently requested to be visible,
3739                // and not in the process of animating on or off, then
3740                // we can tell the app that it is covered by it.
3741                mSystemTop = mUnrestrictedScreenTop + mStatusBarHeight;
3742            }
3743            if (mStatusBarController.checkHiddenLw()) {
3744                return true;
3745            }
3746        }
3747        return false;
3748    }
3749
3750    private boolean layoutNavigationBar(int displayWidth, int displayHeight, int displayRotation,
3751            int overscanRight, int overscanBottom, Rect dcf, boolean navVisible,
3752            boolean navTranslucent, boolean navAllowedHidden) {
3753        if (mNavigationBar != null) {
3754            boolean transientNavBarShowing = mNavigationBarController.isTransientShowing();
3755            // Force the navigation bar to its appropriate place and
3756            // size.  We need to do this directly, instead of relying on
3757            // it to bubble up from the nav bar, because this needs to
3758            // change atomically with screen rotations.
3759            mNavigationBarOnBottom = (!mNavigationBarCanMove || displayWidth < displayHeight);
3760            if (mNavigationBarOnBottom) {
3761                // It's a system nav bar or a portrait screen; nav bar goes on bottom.
3762                int top = displayHeight - overscanBottom
3763                        - mNavigationBarHeightForRotation[displayRotation];
3764                mTmpNavigationFrame.set(0, top, displayWidth, displayHeight - overscanBottom);
3765                mStableBottom = mStableFullscreenBottom = mTmpNavigationFrame.top;
3766                if (transientNavBarShowing) {
3767                    mNavigationBarController.setBarShowingLw(true);
3768                } else if (navVisible) {
3769                    mNavigationBarController.setBarShowingLw(true);
3770                    mDockBottom = mTmpNavigationFrame.top;
3771                    mRestrictedScreenHeight = mDockBottom - mRestrictedScreenTop;
3772                    mRestrictedOverscanScreenHeight = mDockBottom - mRestrictedOverscanScreenTop;
3773                } else {
3774                    // We currently want to hide the navigation UI.
3775                    mNavigationBarController.setBarShowingLw(false);
3776                }
3777                if (navVisible && !navTranslucent && !navAllowedHidden
3778                        && !mNavigationBar.isAnimatingLw()
3779                        && !mNavigationBarController.wasRecentlyTranslucent()) {
3780                    // If the opaque nav bar is currently requested to be visible,
3781                    // and not in the process of animating on or off, then
3782                    // we can tell the app that it is covered by it.
3783                    mSystemBottom = mTmpNavigationFrame.top;
3784                }
3785            } else {
3786                // Landscape screen; nav bar goes to the right.
3787                int left = displayWidth - overscanRight
3788                        - mNavigationBarWidthForRotation[displayRotation];
3789                mTmpNavigationFrame.set(left, 0, displayWidth - overscanRight, displayHeight);
3790                mStableRight = mStableFullscreenRight = mTmpNavigationFrame.left;
3791                if (transientNavBarShowing) {
3792                    mNavigationBarController.setBarShowingLw(true);
3793                } else if (navVisible) {
3794                    mNavigationBarController.setBarShowingLw(true);
3795                    mDockRight = mTmpNavigationFrame.left;
3796                    mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
3797                    mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
3798                } else {
3799                    // We currently want to hide the navigation UI.
3800                    mNavigationBarController.setBarShowingLw(false);
3801                }
3802                if (navVisible && !navTranslucent && !navAllowedHidden
3803                        && !mNavigationBar.isAnimatingLw()
3804                        && !mNavigationBarController.wasRecentlyTranslucent()) {
3805                    // If the nav bar is currently requested to be visible,
3806                    // and not in the process of animating on or off, then
3807                    // we can tell the app that it is covered by it.
3808                    mSystemRight = mTmpNavigationFrame.left;
3809                }
3810            }
3811            // Make sure the content and current rectangles are updated to
3812            // account for the restrictions from the navigation bar.
3813            mContentTop = mVoiceContentTop = mCurTop = mDockTop;
3814            mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
3815            mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
3816            mContentRight = mVoiceContentRight = mCurRight = mDockRight;
3817            mStatusBarLayer = mNavigationBar.getSurfaceLayer();
3818            // And compute the final frame.
3819            mNavigationBar.computeFrameLw(mTmpNavigationFrame, mTmpNavigationFrame,
3820                    mTmpNavigationFrame, mTmpNavigationFrame, mTmpNavigationFrame, dcf,
3821                    mTmpNavigationFrame, mTmpNavigationFrame);
3822            if (DEBUG_LAYOUT) Slog.i(TAG, "mNavigationBar frame: " + mTmpNavigationFrame);
3823            if (mNavigationBarController.checkHiddenLw()) {
3824                return true;
3825            }
3826        }
3827        return false;
3828    }
3829
3830    /** {@inheritDoc} */
3831    @Override
3832    public int getSystemDecorLayerLw() {
3833        if (mStatusBar != null && mStatusBar.isVisibleLw()) {
3834            return mStatusBar.getSurfaceLayer();
3835        }
3836
3837        if (mNavigationBar != null && mNavigationBar.isVisibleLw()) {
3838            return mNavigationBar.getSurfaceLayer();
3839        }
3840
3841        return 0;
3842    }
3843
3844    @Override
3845    public void getContentRectLw(Rect r) {
3846        r.set(mContentLeft, mContentTop, mContentRight, mContentBottom);
3847    }
3848
3849    void setAttachedWindowFrames(WindowState win, int fl, int adjust, WindowState attached,
3850            boolean insetDecors, Rect pf, Rect df, Rect of, Rect cf, Rect vf) {
3851        if (win.getSurfaceLayer() > mDockLayer && attached.getSurfaceLayer() < mDockLayer) {
3852            // Here's a special case: if this attached window is a panel that is
3853            // above the dock window, and the window it is attached to is below
3854            // the dock window, then the frames we computed for the window it is
3855            // attached to can not be used because the dock is effectively part
3856            // of the underlying window and the attached window is floating on top
3857            // of the whole thing.  So, we ignore the attached window and explicitly
3858            // compute the frames that would be appropriate without the dock.
3859            df.left = of.left = cf.left = vf.left = mDockLeft;
3860            df.top = of.top = cf.top = vf.top = mDockTop;
3861            df.right = of.right = cf.right = vf.right = mDockRight;
3862            df.bottom = of.bottom = cf.bottom = vf.bottom = mDockBottom;
3863        } else {
3864            // The effective display frame of the attached window depends on
3865            // whether it is taking care of insetting its content.  If not,
3866            // we need to use the parent's content frame so that the entire
3867            // window is positioned within that content.  Otherwise we can use
3868            // the overscan frame and let the attached window take care of
3869            // positioning its content appropriately.
3870            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
3871                // Set the content frame of the attached window to the parent's decor frame
3872                // (same as content frame when IME isn't present) if specifically requested by
3873                // setting {@link WindowManager.LayoutParams#FLAG_LAYOUT_ATTACHED_IN_DECOR} flag.
3874                // Otherwise, use the overscan frame.
3875                cf.set((fl & FLAG_LAYOUT_ATTACHED_IN_DECOR) != 0
3876                        ? attached.getContentFrameLw() : attached.getOverscanFrameLw());
3877            } else {
3878                // If the window is resizing, then we want to base the content
3879                // frame on our attached content frame to resize...  however,
3880                // things can be tricky if the attached window is NOT in resize
3881                // mode, in which case its content frame will be larger.
3882                // Ungh.  So to deal with that, make sure the content frame
3883                // we end up using is not covering the IM dock.
3884                cf.set(attached.getContentFrameLw());
3885                if (attached.isVoiceInteraction()) {
3886                    if (cf.left < mVoiceContentLeft) cf.left = mVoiceContentLeft;
3887                    if (cf.top < mVoiceContentTop) cf.top = mVoiceContentTop;
3888                    if (cf.right > mVoiceContentRight) cf.right = mVoiceContentRight;
3889                    if (cf.bottom > mVoiceContentBottom) cf.bottom = mVoiceContentBottom;
3890                } else if (attached.getSurfaceLayer() < mDockLayer) {
3891                    if (cf.left < mContentLeft) cf.left = mContentLeft;
3892                    if (cf.top < mContentTop) cf.top = mContentTop;
3893                    if (cf.right > mContentRight) cf.right = mContentRight;
3894                    if (cf.bottom > mContentBottom) cf.bottom = mContentBottom;
3895                }
3896            }
3897            df.set(insetDecors ? attached.getDisplayFrameLw() : cf);
3898            of.set(insetDecors ? attached.getOverscanFrameLw() : cf);
3899            vf.set(attached.getVisibleFrameLw());
3900        }
3901        // The LAYOUT_IN_SCREEN flag is used to determine whether the attached
3902        // window should be positioned relative to its parent or the entire
3903        // screen.
3904        pf.set((fl & FLAG_LAYOUT_IN_SCREEN) == 0
3905                ? attached.getFrameLw() : df);
3906    }
3907
3908    private void applyStableConstraints(int sysui, int fl, Rect r) {
3909        if ((sysui & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3910            // If app is requesting a stable layout, don't let the
3911            // content insets go below the stable values.
3912            if ((fl & FLAG_FULLSCREEN) != 0) {
3913                if (r.left < mStableFullscreenLeft) r.left = mStableFullscreenLeft;
3914                if (r.top < mStableFullscreenTop) r.top = mStableFullscreenTop;
3915                if (r.right > mStableFullscreenRight) r.right = mStableFullscreenRight;
3916                if (r.bottom > mStableFullscreenBottom) r.bottom = mStableFullscreenBottom;
3917            } else {
3918                if (r.left < mStableLeft) r.left = mStableLeft;
3919                if (r.top < mStableTop) r.top = mStableTop;
3920                if (r.right > mStableRight) r.right = mStableRight;
3921                if (r.bottom > mStableBottom) r.bottom = mStableBottom;
3922            }
3923        }
3924    }
3925
3926    private boolean canReceiveInput(WindowState win) {
3927        boolean notFocusable =
3928                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) != 0;
3929        boolean altFocusableIm =
3930                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM) != 0;
3931        boolean notFocusableForIm = notFocusable ^ altFocusableIm;
3932        return !notFocusableForIm;
3933    }
3934
3935    /** {@inheritDoc} */
3936    @Override
3937    public void layoutWindowLw(WindowState win, WindowState attached) {
3938        // We've already done the navigation bar and status bar. If the status bar can receive
3939        // input, we need to layout it again to accomodate for the IME window.
3940        if ((win == mStatusBar && !canReceiveInput(win)) || win == mNavigationBar) {
3941            return;
3942        }
3943        final WindowManager.LayoutParams attrs = win.getAttrs();
3944        final boolean isDefaultDisplay = win.isDefaultDisplay();
3945        final boolean needsToOffsetInputMethodTarget = isDefaultDisplay &&
3946                (win == mLastInputMethodTargetWindow && mLastInputMethodWindow != null);
3947        if (needsToOffsetInputMethodTarget) {
3948            if (DEBUG_LAYOUT) Slog.i(TAG, "Offset ime target window by the last ime window state");
3949            offsetInputMethodWindowLw(mLastInputMethodWindow);
3950        }
3951
3952        final int fl = PolicyControl.getWindowFlags(win, attrs);
3953        final int sim = attrs.softInputMode;
3954        final int sysUiFl = PolicyControl.getSystemUiVisibility(win, null);
3955
3956        final Rect pf = mTmpParentFrame;
3957        final Rect df = mTmpDisplayFrame;
3958        final Rect of = mTmpOverscanFrame;
3959        final Rect cf = mTmpContentFrame;
3960        final Rect vf = mTmpVisibleFrame;
3961        final Rect dcf = mTmpDecorFrame;
3962        final Rect sf = mTmpStableFrame;
3963        Rect osf = null;
3964        dcf.setEmpty();
3965
3966        final boolean hasNavBar = (isDefaultDisplay && mHasNavigationBar
3967                && mNavigationBar != null && mNavigationBar.isVisibleLw());
3968
3969        final int adjust = sim & SOFT_INPUT_MASK_ADJUST;
3970
3971        if (isDefaultDisplay) {
3972            sf.set(mStableLeft, mStableTop, mStableRight, mStableBottom);
3973        } else {
3974            sf.set(mOverscanLeft, mOverscanTop, mOverscanRight, mOverscanBottom);
3975        }
3976
3977        if (!isDefaultDisplay) {
3978            if (attached != null) {
3979                // If this window is attached to another, our display
3980                // frame is the same as the one we are attached to.
3981                setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
3982            } else {
3983                // Give the window full screen.
3984                pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3985                pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3986                pf.right = df.right = of.right = cf.right
3987                        = mOverscanScreenLeft + mOverscanScreenWidth;
3988                pf.bottom = df.bottom = of.bottom = cf.bottom
3989                        = mOverscanScreenTop + mOverscanScreenHeight;
3990            }
3991        } else if (attrs.type == TYPE_INPUT_METHOD) {
3992            pf.left = df.left = of.left = cf.left = vf.left = mDockLeft;
3993            pf.top = df.top = of.top = cf.top = vf.top = mDockTop;
3994            pf.right = df.right = of.right = cf.right = vf.right = mDockRight;
3995            // IM dock windows layout below the nav bar...
3996            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3997            // ...with content insets above the nav bar
3998            cf.bottom = vf.bottom = mStableBottom;
3999            // IM dock windows always go to the bottom of the screen.
4000            attrs.gravity = Gravity.BOTTOM;
4001            mDockLayer = win.getSurfaceLayer();
4002        } else if (attrs.type == TYPE_VOICE_INTERACTION) {
4003            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4004            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4005            pf.right = df.right = of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4006            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4007            cf.bottom = vf.bottom = mStableBottom;
4008            // Note: In Phone landscape mode, the button bar should also be excluded.
4009            cf.right = vf.right = mStableRight;
4010            cf.left = vf.left = mStableLeft;
4011            cf.top = vf.top = mStableTop;
4012        } else if (win == mStatusBar) {
4013            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4014            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4015            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
4016            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight + mUnrestrictedScreenTop;
4017            cf.left = vf.left = mStableLeft;
4018            cf.top = vf.top = mStableTop;
4019            cf.right = vf.right = mStableRight;
4020            vf.bottom = mStableBottom;
4021            cf.bottom = mContentBottom;
4022        } else {
4023
4024            // Default policy decor for the default display
4025            dcf.left = mSystemLeft;
4026            dcf.top = mSystemTop;
4027            dcf.right = mSystemRight;
4028            dcf.bottom = mSystemBottom;
4029            final boolean inheritTranslucentDecor = (attrs.privateFlags
4030                    & WindowManager.LayoutParams.PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR) != 0;
4031            final boolean isAppWindow =
4032                    attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW &&
4033                    attrs.type <= WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
4034            final boolean topAtRest =
4035                    win == mTopFullscreenOpaqueWindowState && !win.isAnimatingLw();
4036            if (isAppWindow && !inheritTranslucentDecor && !topAtRest) {
4037                if ((sysUiFl & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0
4038                        && (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) == 0
4039                        && (fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) == 0
4040                        && (fl & WindowManager.LayoutParams.
4041                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0
4042                        && !mForceWindowDrawsStatusBarBackground) {
4043                    // Ensure policy decor includes status bar
4044                    dcf.top = mStableTop;
4045                }
4046                if ((fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) == 0
4047                        && (sysUiFl & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0
4048                        && (fl & WindowManager.LayoutParams.
4049                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
4050                    // Ensure policy decor includes navigation bar
4051                    dcf.bottom = mStableBottom;
4052                    dcf.right = mStableRight;
4053                }
4054            }
4055
4056            if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
4057                    == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
4058                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle()
4059                            + "): IN_SCREEN, INSET_DECOR");
4060                // This is the case for a normal activity window: we want it
4061                // to cover all of the screen space, and it can take care of
4062                // moving its contents to account for screen decorations that
4063                // intrude into that space.
4064                if (attached != null) {
4065                    // If this window is attached to another, our display
4066                    // frame is the same as the one we are attached to.
4067                    setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4068                } else {
4069                    if (attrs.type == TYPE_STATUS_BAR_PANEL
4070                            || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
4071                        // Status bar panels are the only windows who can go on top of
4072                        // the status bar.  They are protected by the STATUS_BAR_SERVICE
4073                        // permission, so they have the same privileges as the status
4074                        // bar itself.
4075                        //
4076                        // However, they should still dodge the navigation bar if it exists.
4077
4078                        pf.left = df.left = of.left = hasNavBar
4079                                ? mDockLeft : mUnrestrictedScreenLeft;
4080                        pf.top = df.top = of.top = mUnrestrictedScreenTop;
4081                        pf.right = df.right = of.right = hasNavBar
4082                                ? mRestrictedScreenLeft+mRestrictedScreenWidth
4083                                : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4084                        pf.bottom = df.bottom = of.bottom = hasNavBar
4085                                ? mRestrictedScreenTop+mRestrictedScreenHeight
4086                                : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4087
4088                        if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4089                                        "Laying out status bar window: (%d,%d - %d,%d)",
4090                                        pf.left, pf.top, pf.right, pf.bottom));
4091                    } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4092                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4093                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4094                        // Asking to layout into the overscan region, so give it that pure
4095                        // unrestricted area.
4096                        pf.left = df.left = of.left = mOverscanScreenLeft;
4097                        pf.top = df.top = of.top = mOverscanScreenTop;
4098                        pf.right = df.right = of.right = mOverscanScreenLeft + mOverscanScreenWidth;
4099                        pf.bottom = df.bottom = of.bottom = mOverscanScreenTop
4100                                + mOverscanScreenHeight;
4101                    } else if (canHideNavigationBar()
4102                            && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4103                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4104                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4105                        // Asking for layout as if the nav bar is hidden, lets the
4106                        // application extend into the unrestricted overscan screen area.  We
4107                        // only do this for application windows to ensure no window that
4108                        // can be above the nav bar can do this.
4109                        pf.left = df.left = mOverscanScreenLeft;
4110                        pf.top = df.top = mOverscanScreenTop;
4111                        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4112                        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4113                        // We need to tell the app about where the frame inside the overscan
4114                        // is, so it can inset its content by that amount -- it didn't ask
4115                        // to actually extend itself into the overscan region.
4116                        of.left = mUnrestrictedScreenLeft;
4117                        of.top = mUnrestrictedScreenTop;
4118                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4119                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4120                    } else {
4121                        pf.left = df.left = mRestrictedOverscanScreenLeft;
4122                        pf.top = df.top = mRestrictedOverscanScreenTop;
4123                        pf.right = df.right = mRestrictedOverscanScreenLeft
4124                                + mRestrictedOverscanScreenWidth;
4125                        pf.bottom = df.bottom = mRestrictedOverscanScreenTop
4126                                + mRestrictedOverscanScreenHeight;
4127                        // We need to tell the app about where the frame inside the overscan
4128                        // is, so it can inset its content by that amount -- it didn't ask
4129                        // to actually extend itself into the overscan region.
4130                        of.left = mUnrestrictedScreenLeft;
4131                        of.top = mUnrestrictedScreenTop;
4132                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4133                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4134                    }
4135
4136                    if ((fl & FLAG_FULLSCREEN) == 0) {
4137                        if (win.isVoiceInteraction()) {
4138                            cf.left = mVoiceContentLeft;
4139                            cf.top = mVoiceContentTop;
4140                            cf.right = mVoiceContentRight;
4141                            cf.bottom = mVoiceContentBottom;
4142                        } else {
4143                            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4144                                cf.left = mDockLeft;
4145                                cf.top = mDockTop;
4146                                cf.right = mDockRight;
4147                                cf.bottom = mDockBottom;
4148                            } else {
4149                                cf.left = mContentLeft;
4150                                cf.top = mContentTop;
4151                                cf.right = mContentRight;
4152                                cf.bottom = mContentBottom;
4153                            }
4154                        }
4155                    } else {
4156                        // Full screen windows are always given a layout that is as if the
4157                        // status bar and other transient decors are gone.  This is to avoid
4158                        // bad states when moving from a window that is not hding the
4159                        // status bar to one that is.
4160                        cf.left = mRestrictedScreenLeft;
4161                        cf.top = mRestrictedScreenTop;
4162                        cf.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
4163                        cf.bottom = mRestrictedScreenTop + mRestrictedScreenHeight;
4164                    }
4165                    applyStableConstraints(sysUiFl, fl, cf);
4166                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4167                        vf.left = mCurLeft;
4168                        vf.top = mCurTop;
4169                        vf.right = mCurRight;
4170                        vf.bottom = mCurBottom;
4171                    } else {
4172                        vf.set(cf);
4173                    }
4174                }
4175            } else if ((fl & FLAG_LAYOUT_IN_SCREEN) != 0 || (sysUiFl
4176                    & (View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
4177                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION)) != 0) {
4178                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4179                        "): IN_SCREEN");
4180                // A window that has requested to fill the entire screen just
4181                // gets everything, period.
4182                if (attrs.type == TYPE_STATUS_BAR_PANEL
4183                        || attrs.type == TYPE_STATUS_BAR_SUB_PANEL
4184                        || attrs.type == TYPE_VOLUME_OVERLAY) {
4185                    pf.left = df.left = of.left = cf.left = hasNavBar
4186                            ? mDockLeft : mUnrestrictedScreenLeft;
4187                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4188                    pf.right = df.right = of.right = cf.right = hasNavBar
4189                                        ? mRestrictedScreenLeft+mRestrictedScreenWidth
4190                                        : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4191                    pf.bottom = df.bottom = of.bottom = cf.bottom = hasNavBar
4192                                          ? mRestrictedScreenTop+mRestrictedScreenHeight
4193                                          : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4194                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4195                                    "Laying out IN_SCREEN status bar window: (%d,%d - %d,%d)",
4196                                    pf.left, pf.top, pf.right, pf.bottom));
4197                } else if (attrs.type == TYPE_NAVIGATION_BAR
4198                        || attrs.type == TYPE_NAVIGATION_BAR_PANEL) {
4199                    // The navigation bar has Real Ultimate Power.
4200                    pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4201                    pf.top = df.top = of.top = mUnrestrictedScreenTop;
4202                    pf.right = df.right = of.right = mUnrestrictedScreenLeft
4203                            + mUnrestrictedScreenWidth;
4204                    pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop
4205                            + mUnrestrictedScreenHeight;
4206                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4207                                    "Laying out navigation bar window: (%d,%d - %d,%d)",
4208                                    pf.left, pf.top, pf.right, pf.bottom));
4209                } else if ((attrs.type == TYPE_SECURE_SYSTEM_OVERLAY
4210                                || attrs.type == TYPE_BOOT_PROGRESS)
4211                        && ((fl & FLAG_FULLSCREEN) != 0)) {
4212                    // Fullscreen secure system overlays get what they ask for.
4213                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4214                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4215                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4216                            + mOverscanScreenWidth;
4217                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4218                            + mOverscanScreenHeight;
4219                } else if (attrs.type == TYPE_BOOT_PROGRESS) {
4220                    // Boot progress screen always covers entire display.
4221                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4222                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4223                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4224                            + mOverscanScreenWidth;
4225                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4226                            + mOverscanScreenHeight;
4227                } else if (attrs.type == TYPE_WALLPAPER) {
4228                    // The wallpaper also has Real Ultimate Power, but we want to tell
4229                    // it about the overscan area.
4230                    pf.left = df.left = mOverscanScreenLeft;
4231                    pf.top = df.top = mOverscanScreenTop;
4232                    pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4233                    pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4234                    of.left = cf.left = mUnrestrictedScreenLeft;
4235                    of.top = cf.top = mUnrestrictedScreenTop;
4236                    of.right = cf.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4237                    of.bottom = cf.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4238                } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4239                        && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4240                        && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4241                    // Asking to layout into the overscan region, so give it that pure
4242                    // unrestricted area.
4243                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4244                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4245                    pf.right = df.right = of.right = cf.right
4246                            = mOverscanScreenLeft + mOverscanScreenWidth;
4247                    pf.bottom = df.bottom = of.bottom = cf.bottom
4248                            = mOverscanScreenTop + mOverscanScreenHeight;
4249                } else if (canHideNavigationBar()
4250                        && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4251                        && (attrs.type == TYPE_STATUS_BAR
4252                            || attrs.type == TYPE_TOAST
4253                            || attrs.type == TYPE_DOCK_DIVIDER
4254                            || attrs.type == TYPE_VOICE_INTERACTION_STARTING
4255                            || (attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4256                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW))) {
4257                    // Asking for layout as if the nav bar is hidden, lets the
4258                    // application extend into the unrestricted screen area.  We
4259                    // only do this for application windows (or toasts) to ensure no window that
4260                    // can be above the nav bar can do this.
4261                    // XXX This assumes that an app asking for this will also
4262                    // ask for layout in only content.  We can't currently figure out
4263                    // what the screen would be if only laying out to hide the nav bar.
4264                    pf.left = df.left = of.left = cf.left = mUnrestrictedScreenLeft;
4265                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4266                    pf.right = df.right = of.right = cf.right = mUnrestrictedScreenLeft
4267                            + mUnrestrictedScreenWidth;
4268                    pf.bottom = df.bottom = of.bottom = cf.bottom = mUnrestrictedScreenTop
4269                            + mUnrestrictedScreenHeight;
4270                } else {
4271                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4272                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4273                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4274                            + mRestrictedScreenWidth;
4275                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4276                            + mRestrictedScreenHeight;
4277                }
4278
4279                applyStableConstraints(sysUiFl, fl, cf);
4280
4281                if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4282                    vf.left = mCurLeft;
4283                    vf.top = mCurTop;
4284                    vf.right = mCurRight;
4285                    vf.bottom = mCurBottom;
4286                } else {
4287                    vf.set(cf);
4288                }
4289            } else if (attached != null) {
4290                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4291                        "): attached to " + attached);
4292                // A child window should be placed inside of the same visible
4293                // frame that its parent had.
4294                setAttachedWindowFrames(win, fl, adjust, attached, false, pf, df, of, cf, vf);
4295            } else {
4296                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4297                        "): normal window");
4298                // Otherwise, a normal window must be placed inside the content
4299                // of all screen decorations.
4300                if (attrs.type == TYPE_STATUS_BAR_PANEL || attrs.type == TYPE_VOLUME_OVERLAY) {
4301                    // Status bar panels and the volume dialog are the only windows who can go on
4302                    // top of the status bar.  They are protected by the STATUS_BAR_SERVICE
4303                    // permission, so they have the same privileges as the status
4304                    // bar itself.
4305                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4306                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4307                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4308                            + mRestrictedScreenWidth;
4309                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4310                            + mRestrictedScreenHeight;
4311                } else if (attrs.type == TYPE_TOAST || attrs.type == TYPE_SYSTEM_ALERT) {
4312                    // These dialogs are stable to interim decor changes.
4313                    pf.left = df.left = of.left = cf.left = mStableLeft;
4314                    pf.top = df.top = of.top = cf.top = mStableTop;
4315                    pf.right = df.right = of.right = cf.right = mStableRight;
4316                    pf.bottom = df.bottom = of.bottom = cf.bottom = mStableBottom;
4317                } else {
4318                    pf.left = mContentLeft;
4319                    pf.top = mContentTop;
4320                    pf.right = mContentRight;
4321                    pf.bottom = mContentBottom;
4322                    if (win.isVoiceInteraction()) {
4323                        df.left = of.left = cf.left = mVoiceContentLeft;
4324                        df.top = of.top = cf.top = mVoiceContentTop;
4325                        df.right = of.right = cf.right = mVoiceContentRight;
4326                        df.bottom = of.bottom = cf.bottom = mVoiceContentBottom;
4327                    } else if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4328                        df.left = of.left = cf.left = mDockLeft;
4329                        df.top = of.top = cf.top = mDockTop;
4330                        df.right = of.right = cf.right = mDockRight;
4331                        df.bottom = of.bottom = cf.bottom = mDockBottom;
4332                    } else {
4333                        df.left = of.left = cf.left = mContentLeft;
4334                        df.top = of.top = cf.top = mContentTop;
4335                        df.right = of.right = cf.right = mContentRight;
4336                        df.bottom = of.bottom = cf.bottom = mContentBottom;
4337                    }
4338                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4339                        vf.left = mCurLeft;
4340                        vf.top = mCurTop;
4341                        vf.right = mCurRight;
4342                        vf.bottom = mCurBottom;
4343                    } else {
4344                        vf.set(cf);
4345                    }
4346                }
4347            }
4348        }
4349
4350        // TYPE_SYSTEM_ERROR is above the NavigationBar so it can't be allowed to extend over it.
4351        if ((fl & FLAG_LAYOUT_NO_LIMITS) != 0 && attrs.type != TYPE_SYSTEM_ERROR) {
4352            df.left = df.top = -10000;
4353            df.right = df.bottom = 10000;
4354            if (attrs.type != TYPE_WALLPAPER) {
4355                of.left = of.top = cf.left = cf.top = vf.left = vf.top = -10000;
4356                of.right = of.bottom = cf.right = cf.bottom = vf.right = vf.bottom = 10000;
4357            }
4358        }
4359
4360        // If the device has a chin (e.g. some watches), a dead area at the bottom of the screen we
4361        // need to provide information to the clients that want to pretend that you can draw there.
4362        // We only want to apply outsets to certain types of windows. For example, we never want to
4363        // apply the outsets to floating dialogs, because they wouldn't make sense there.
4364        final boolean useOutsets = shouldUseOutsets(attrs, fl);
4365        if (isDefaultDisplay && useOutsets) {
4366            osf = mTmpOutsetFrame;
4367            osf.set(cf.left, cf.top, cf.right, cf.bottom);
4368            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
4369            if (outset > 0) {
4370                int rotation = mDisplayRotation;
4371                if (rotation == Surface.ROTATION_0) {
4372                    osf.bottom += outset;
4373                } else if (rotation == Surface.ROTATION_90) {
4374                    osf.right += outset;
4375                } else if (rotation == Surface.ROTATION_180) {
4376                    osf.top -= outset;
4377                } else if (rotation == Surface.ROTATION_270) {
4378                    osf.left -= outset;
4379                }
4380                if (DEBUG_LAYOUT) Slog.v(TAG, "applying bottom outset of " + outset
4381                        + " with rotation " + rotation + ", result: " + osf);
4382            }
4383        }
4384
4385        if (DEBUG_LAYOUT) Slog.v(TAG, "Compute frame " + attrs.getTitle()
4386                + ": sim=#" + Integer.toHexString(sim)
4387                + " attach=" + attached + " type=" + attrs.type
4388                + String.format(" flags=0x%08x", fl)
4389                + " pf=" + pf.toShortString() + " df=" + df.toShortString()
4390                + " of=" + of.toShortString()
4391                + " cf=" + cf.toShortString() + " vf=" + vf.toShortString()
4392                + " dcf=" + dcf.toShortString()
4393                + " sf=" + sf.toShortString()
4394                + " osf=" + (osf == null ? "null" : osf.toShortString()));
4395
4396        win.computeFrameLw(pf, df, of, cf, vf, dcf, sf, osf);
4397
4398        // Dock windows carve out the bottom of the screen, so normal windows
4399        // can't appear underneath them.
4400        if (attrs.type == TYPE_INPUT_METHOD && win.isVisibleOrBehindKeyguardLw()
4401                && !win.getGivenInsetsPendingLw()) {
4402            setLastInputMethodWindowLw(null, null);
4403            offsetInputMethodWindowLw(win);
4404        }
4405        if (attrs.type == TYPE_VOICE_INTERACTION && win.isVisibleOrBehindKeyguardLw()
4406                && !win.getGivenInsetsPendingLw()) {
4407            offsetVoiceInputWindowLw(win);
4408        }
4409    }
4410
4411    private void offsetInputMethodWindowLw(WindowState win) {
4412        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4413        top += win.getGivenContentInsetsLw().top;
4414        if (mContentBottom > top) {
4415            mContentBottom = top;
4416        }
4417        if (mVoiceContentBottom > top) {
4418            mVoiceContentBottom = top;
4419        }
4420        top = win.getVisibleFrameLw().top;
4421        top += win.getGivenVisibleInsetsLw().top;
4422        if (mCurBottom > top) {
4423            mCurBottom = top;
4424        }
4425        if (DEBUG_LAYOUT) Slog.v(TAG, "Input method: mDockBottom="
4426                + mDockBottom + " mContentBottom="
4427                + mContentBottom + " mCurBottom=" + mCurBottom);
4428    }
4429
4430    private void offsetVoiceInputWindowLw(WindowState win) {
4431        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4432        top += win.getGivenContentInsetsLw().top;
4433        if (mVoiceContentBottom > top) {
4434            mVoiceContentBottom = top;
4435        }
4436    }
4437
4438    /** {@inheritDoc} */
4439    @Override
4440    public void finishLayoutLw() {
4441        return;
4442    }
4443
4444    /** {@inheritDoc} */
4445    @Override
4446    public void beginPostLayoutPolicyLw(int displayWidth, int displayHeight) {
4447        mTopFullscreenOpaqueWindowState = null;
4448        mTopFullscreenOpaqueOrDimmingWindowState = null;
4449        mAppsToBeHidden.clear();
4450        mAppsThatDismissKeyguard.clear();
4451        mForceStatusBar = false;
4452        mForceStatusBarFromKeyguard = false;
4453        mForceStatusBarTransparent = false;
4454        mForcingShowNavBar = false;
4455        mForcingShowNavBarLayer = -1;
4456
4457        mHideLockScreen = false;
4458        mAllowLockscreenWhenOn = false;
4459        mDismissKeyguard = DISMISS_KEYGUARD_NONE;
4460        mShowingLockscreen = false;
4461        mShowingDream = false;
4462        mWinShowWhenLocked = null;
4463        mKeyguardSecure = isKeyguardSecure();
4464        mKeyguardSecureIncludingHidden = mKeyguardSecure
4465                && (mKeyguardDelegate != null && mKeyguardDelegate.isShowing());
4466    }
4467
4468    /** {@inheritDoc} */
4469    @Override
4470    public void applyPostLayoutPolicyLw(WindowState win, WindowManager.LayoutParams attrs,
4471            WindowState attached) {
4472        if (DEBUG_LAYOUT) Slog.i(TAG, "Win " + win + ": isVisibleOrBehindKeyguardLw="
4473                + win.isVisibleOrBehindKeyguardLw());
4474        final int fl = PolicyControl.getWindowFlags(win, attrs);
4475        if (mTopFullscreenOpaqueWindowState == null
4476                && win.isVisibleLw() && attrs.type == TYPE_INPUT_METHOD) {
4477            mForcingShowNavBar = true;
4478            mForcingShowNavBarLayer = win.getSurfaceLayer();
4479        }
4480        if (attrs.type == TYPE_STATUS_BAR) {
4481            if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4482                mForceStatusBarFromKeyguard = true;
4483                mShowingLockscreen = true;
4484            }
4485            if ((attrs.privateFlags & PRIVATE_FLAG_FORCE_STATUS_BAR_VISIBLE_TRANSPARENT) != 0) {
4486                mForceStatusBarTransparent = true;
4487            }
4488        }
4489
4490        boolean appWindow = attrs.type >= FIRST_APPLICATION_WINDOW
4491                && attrs.type < FIRST_SYSTEM_WINDOW;
4492        final boolean showWhenLocked = (fl & FLAG_SHOW_WHEN_LOCKED) != 0;
4493        final boolean dismissKeyguard = (fl & FLAG_DISMISS_KEYGUARD) != 0;
4494
4495        if (mTopFullscreenOpaqueWindowState == null &&
4496                win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()) {
4497            if ((fl & FLAG_FORCE_NOT_FULLSCREEN) != 0) {
4498                if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4499                    mForceStatusBarFromKeyguard = true;
4500                } else {
4501                    mForceStatusBar = true;
4502                }
4503            }
4504            if (attrs.type == TYPE_DREAM) {
4505                // If the lockscreen was showing when the dream started then wait
4506                // for the dream to draw before hiding the lockscreen.
4507                if (!mDreamingLockscreen
4508                        || (win.isVisibleLw() && win.hasDrawnLw())) {
4509                    mShowingDream = true;
4510                    appWindow = true;
4511                }
4512            }
4513
4514            final IApplicationToken appToken = win.getAppToken();
4515
4516            // For app windows that are not attached, we decide if all windows in the app they
4517            // represent should be hidden or if we should hide the lockscreen. For attached app
4518            // windows we defer the decision to the window it is attached to.
4519            if (appWindow && attached == null) {
4520                if (showWhenLocked) {
4521                    // Remove any previous windows with the same appToken.
4522                    mAppsToBeHidden.remove(appToken);
4523                    mAppsThatDismissKeyguard.remove(appToken);
4524                    if (mAppsToBeHidden.isEmpty()) {
4525                        if (dismissKeyguard && !mKeyguardSecure) {
4526                            mAppsThatDismissKeyguard.add(appToken);
4527                        } else if (win.isDrawnLw() || win.hasAppShownWindows()) {
4528                            mWinShowWhenLocked = win;
4529                            mHideLockScreen = true;
4530                            mForceStatusBarFromKeyguard = false;
4531                        }
4532                    }
4533                } else if (dismissKeyguard) {
4534                    if (mKeyguardSecure) {
4535                        mAppsToBeHidden.add(appToken);
4536                    } else {
4537                        mAppsToBeHidden.remove(appToken);
4538                    }
4539                    mAppsThatDismissKeyguard.add(appToken);
4540                } else {
4541                    mAppsToBeHidden.add(appToken);
4542                }
4543                if (attrs.x == 0 && attrs.y == 0
4544                        && attrs.width == WindowManager.LayoutParams.MATCH_PARENT
4545                        && attrs.height == WindowManager.LayoutParams.MATCH_PARENT) {
4546                    if (DEBUG_LAYOUT) Slog.v(TAG, "Fullscreen window: " + win);
4547                    mTopFullscreenOpaqueWindowState = win;
4548                    if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
4549                        mTopFullscreenOpaqueOrDimmingWindowState = win;
4550                    }
4551                    if (!mAppsThatDismissKeyguard.isEmpty() &&
4552                            mDismissKeyguard == DISMISS_KEYGUARD_NONE) {
4553                        if (DEBUG_LAYOUT) Slog.v(TAG,
4554                                "Setting mDismissKeyguard true by win " + win);
4555                        mDismissKeyguard = (mWinDismissingKeyguard == win
4556                                && mSecureDismissingKeyguard == mKeyguardSecure)
4557                                ? DISMISS_KEYGUARD_CONTINUE : DISMISS_KEYGUARD_START;
4558                        mWinDismissingKeyguard = win;
4559                        mSecureDismissingKeyguard = mKeyguardSecure;
4560                        mForceStatusBarFromKeyguard = mShowingLockscreen && mKeyguardSecure;
4561                    } else if (mAppsToBeHidden.isEmpty() && showWhenLocked
4562                            && (win.isDrawnLw() || win.hasAppShownWindows())) {
4563                        if (DEBUG_LAYOUT) Slog.v(TAG,
4564                                "Setting mHideLockScreen to true by win " + win);
4565                        mHideLockScreen = true;
4566                        mForceStatusBarFromKeyguard = false;
4567                    }
4568                    if ((fl & FLAG_ALLOW_LOCK_WHILE_SCREEN_ON) != 0) {
4569                        mAllowLockscreenWhenOn = true;
4570                    }
4571                }
4572
4573                if (mWinShowWhenLocked != null &&
4574                        mWinShowWhenLocked.getAppToken() != win.getAppToken() &&
4575                        (attrs.flags & FLAG_SHOW_WHEN_LOCKED) == 0) {
4576                    win.hideLw(false);
4577                }
4578            }
4579        } else if (mTopFullscreenOpaqueWindowState == null && mWinShowWhenLocked == null) {
4580            // No TopFullscreenOpaqueWindow is showing, but we found a SHOW_WHEN_LOCKED window
4581            // that is being hidden in an animation - keep the
4582            // keyguard hidden until the new window shows up and
4583            // we know whether to show the keyguard or not.
4584            if (win.isAnimatingLw() && appWindow && showWhenLocked && mKeyguardHidden) {
4585                mHideLockScreen = true;
4586                mWinShowWhenLocked = win;
4587            }
4588        }
4589        if (mTopFullscreenOpaqueOrDimmingWindowState == null
4590                && win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()
4591                && win.isDimming()) {
4592            mTopFullscreenOpaqueOrDimmingWindowState = win;
4593        }
4594    }
4595
4596    /** {@inheritDoc} */
4597    @Override
4598    public int finishPostLayoutPolicyLw() {
4599        if (mWinShowWhenLocked != null && mTopFullscreenOpaqueWindowState != null &&
4600                mWinShowWhenLocked.getAppToken() != mTopFullscreenOpaqueWindowState.getAppToken()
4601                && isKeyguardLocked()) {
4602            // A dialog is dismissing the keyguard. Put the wallpaper behind it and hide the
4603            // fullscreen window.
4604            // TODO: Make sure FLAG_SHOW_WALLPAPER is restored when dialog is dismissed. Or not.
4605            mWinShowWhenLocked.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
4606            mTopFullscreenOpaqueWindowState.hideLw(false);
4607            mTopFullscreenOpaqueWindowState = mWinShowWhenLocked;
4608        }
4609
4610        int changes = 0;
4611        boolean topIsFullscreen = false;
4612
4613        final WindowManager.LayoutParams lp = (mTopFullscreenOpaqueWindowState != null)
4614                ? mTopFullscreenOpaqueWindowState.getAttrs()
4615                : null;
4616
4617        // If we are not currently showing a dream then remember the current
4618        // lockscreen state.  We will use this to determine whether the dream
4619        // started while the lockscreen was showing and remember this state
4620        // while the dream is showing.
4621        if (!mShowingDream) {
4622            mDreamingLockscreen = mShowingLockscreen;
4623            if (mDreamingSleepTokenNeeded) {
4624                mDreamingSleepTokenNeeded = false;
4625                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 0, 1).sendToTarget();
4626            }
4627        } else {
4628            if (!mDreamingSleepTokenNeeded) {
4629                mDreamingSleepTokenNeeded = true;
4630                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 1, 1).sendToTarget();
4631            }
4632        }
4633
4634        if (mStatusBar != null) {
4635            if (DEBUG_LAYOUT) Slog.i(TAG, "force=" + mForceStatusBar
4636                    + " forcefkg=" + mForceStatusBarFromKeyguard
4637                    + " top=" + mTopFullscreenOpaqueWindowState);
4638            boolean shouldBeTransparent = mForceStatusBarTransparent
4639                    && !mForceStatusBar
4640                    && !mForceStatusBarFromKeyguard;
4641            if (!shouldBeTransparent) {
4642                mStatusBarController.setShowTransparent(false /* transparent */);
4643            } else if (!mStatusBar.isVisibleLw()) {
4644                mStatusBarController.setShowTransparent(true /* transparent */);
4645            }
4646            if (mForceStatusBar || mForceStatusBarFromKeyguard || mForceStatusBarTransparent) {
4647                if (DEBUG_LAYOUT) Slog.v(TAG, "Showing status bar: forced");
4648                if (mStatusBarController.setBarShowingLw(true)) {
4649                    changes |= FINISH_LAYOUT_REDO_LAYOUT;
4650                }
4651                // Maintain fullscreen layout until incoming animation is complete.
4652                topIsFullscreen = mTopIsFullscreen && mStatusBar.isAnimatingLw();
4653                // Transient status bar on the lockscreen is not allowed
4654                if (mForceStatusBarFromKeyguard && mStatusBarController.isTransientShowing()) {
4655                    mStatusBarController.updateVisibilityLw(false /*transientAllowed*/,
4656                            mLastSystemUiFlags, mLastSystemUiFlags);
4657                }
4658            } else if (mTopFullscreenOpaqueWindowState != null) {
4659                final int fl = PolicyControl.getWindowFlags(null, lp);
4660                if (localLOGV) {
4661                    Slog.d(TAG, "frame: " + mTopFullscreenOpaqueWindowState.getFrameLw()
4662                            + " shown position: "
4663                            + mTopFullscreenOpaqueWindowState.getShownPositionLw());
4664                    Slog.d(TAG, "attr: " + mTopFullscreenOpaqueWindowState.getAttrs()
4665                            + " lp.flags=0x" + Integer.toHexString(fl));
4666                }
4667                topIsFullscreen = (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0
4668                        || (mLastSystemUiFlags & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
4669                // The subtle difference between the window for mTopFullscreenOpaqueWindowState
4670                // and mTopIsFullscreen is that mTopIsFullscreen is set only if the window
4671                // has the FLAG_FULLSCREEN set.  Not sure if there is another way that to be the
4672                // case though.
4673                if (mStatusBarController.isTransientShowing()) {
4674                    if (mStatusBarController.setBarShowingLw(true)) {
4675                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4676                    }
4677                } else if (topIsFullscreen
4678                        && !mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID)
4679                        && !mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID)) {
4680                    if (DEBUG_LAYOUT) Slog.v(TAG, "** HIDING status bar");
4681                    if (mStatusBarController.setBarShowingLw(false)) {
4682                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4683                    } else {
4684                        if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar already hiding");
4685                    }
4686                } else {
4687                    if (DEBUG_LAYOUT) Slog.v(TAG, "** SHOWING status bar: top is not fullscreen");
4688                    if (mStatusBarController.setBarShowingLw(true)) {
4689                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4690                    }
4691                }
4692            }
4693        }
4694
4695        if (mTopIsFullscreen != topIsFullscreen) {
4696            if (!topIsFullscreen) {
4697                // Force another layout when status bar becomes fully shown.
4698                changes |= FINISH_LAYOUT_REDO_LAYOUT;
4699            }
4700            mTopIsFullscreen = topIsFullscreen;
4701        }
4702
4703        // Hide the key guard if a visible window explicitly specifies that it wants to be
4704        // displayed when the screen is locked.
4705        if (mKeyguardDelegate != null && mStatusBar != null) {
4706            if (localLOGV) Slog.v(TAG, "finishPostLayoutPolicyLw: mHideKeyguard="
4707                    + mHideLockScreen);
4708            if (mDismissKeyguard != DISMISS_KEYGUARD_NONE && !mKeyguardSecure) {
4709                mKeyguardHidden = true;
4710                if (setKeyguardOccludedLw(true)) {
4711                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4712                            | FINISH_LAYOUT_REDO_CONFIG
4713                            | FINISH_LAYOUT_REDO_WALLPAPER;
4714                }
4715                if (mKeyguardDelegate.isShowing()) {
4716                    mHandler.post(new Runnable() {
4717                        @Override
4718                        public void run() {
4719                            mKeyguardDelegate.keyguardDone(false, false);
4720                        }
4721                    });
4722                }
4723            } else if (mHideLockScreen) {
4724                mKeyguardHidden = true;
4725                mWinDismissingKeyguard = null;
4726                if (setKeyguardOccludedLw(true)) {
4727                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4728                            | FINISH_LAYOUT_REDO_CONFIG
4729                            | FINISH_LAYOUT_REDO_WALLPAPER;
4730                }
4731            } else if (mDismissKeyguard != DISMISS_KEYGUARD_NONE) {
4732                mKeyguardHidden = false;
4733                if (setKeyguardOccludedLw(false)) {
4734                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4735                            | FINISH_LAYOUT_REDO_CONFIG
4736                            | FINISH_LAYOUT_REDO_WALLPAPER;
4737                }
4738                if (mDismissKeyguard == DISMISS_KEYGUARD_START) {
4739                    // Only launch the next keyguard unlock window once per window.
4740                    mHandler.post(new Runnable() {
4741                        @Override
4742                        public void run() {
4743                            mKeyguardDelegate.dismiss();
4744                        }
4745                    });
4746                }
4747            } else {
4748                mWinDismissingKeyguard = null;
4749                mSecureDismissingKeyguard = false;
4750                mKeyguardHidden = false;
4751                if (setKeyguardOccludedLw(false)) {
4752                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4753                            | FINISH_LAYOUT_REDO_CONFIG
4754                            | FINISH_LAYOUT_REDO_WALLPAPER;
4755                }
4756            }
4757        }
4758
4759        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
4760            // If the navigation bar has been hidden or shown, we need to do another
4761            // layout pass to update that window.
4762            changes |= FINISH_LAYOUT_REDO_LAYOUT;
4763        }
4764
4765        // update since mAllowLockscreenWhenOn might have changed
4766        updateLockScreenTimeout();
4767        return changes;
4768    }
4769
4770    /**
4771     * Updates the occluded state of the Keyguard.
4772     *
4773     * @return Whether the flags have changed and we have to redo the layout.
4774     */
4775    private boolean setKeyguardOccludedLw(boolean isOccluded) {
4776        boolean wasOccluded = mKeyguardOccluded;
4777        boolean showing = mKeyguardDelegate.isShowing();
4778        if (wasOccluded && !isOccluded && showing) {
4779            mKeyguardOccluded = false;
4780            mKeyguardDelegate.setOccluded(false);
4781            mStatusBar.getAttrs().privateFlags |= PRIVATE_FLAG_KEYGUARD;
4782            mStatusBar.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
4783            return true;
4784        } else if (!wasOccluded && isOccluded && showing) {
4785            mKeyguardOccluded = true;
4786            mKeyguardDelegate.setOccluded(true);
4787            mStatusBar.getAttrs().privateFlags &= ~PRIVATE_FLAG_KEYGUARD;
4788            mStatusBar.getAttrs().flags &= ~FLAG_SHOW_WALLPAPER;
4789            return true;
4790        } else {
4791            return false;
4792        }
4793    }
4794
4795    private boolean isStatusBarKeyguard() {
4796        return mStatusBar != null
4797                && (mStatusBar.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
4798    }
4799
4800    @Override
4801    public boolean allowAppAnimationsLw() {
4802        if (isStatusBarKeyguard() || mShowingDream) {
4803            // If keyguard or dreams is currently visible, no reason to animate behind it.
4804            return false;
4805        }
4806        return true;
4807    }
4808
4809    @Override
4810    public int focusChangedLw(WindowState lastFocus, WindowState newFocus) {
4811        mFocusedWindow = newFocus;
4812        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
4813            // If the navigation bar has been hidden or shown, we need to do another
4814            // layout pass to update that window.
4815            return FINISH_LAYOUT_REDO_LAYOUT;
4816        }
4817        return 0;
4818    }
4819
4820    /** {@inheritDoc} */
4821    @Override
4822    public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
4823        // lid changed state
4824        final int newLidState = lidOpen ? LID_OPEN : LID_CLOSED;
4825        if (newLidState == mLidState) {
4826            return;
4827        }
4828
4829        mLidState = newLidState;
4830        applyLidSwitchState();
4831        updateRotation(true);
4832
4833        if (lidOpen) {
4834            wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromLidSwitch,
4835                    "android.policy:LID");
4836        } else if (!mLidControlsSleep) {
4837            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
4838        }
4839    }
4840
4841    @Override
4842    public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) {
4843        int lensCoverState = lensCovered ? CAMERA_LENS_COVERED : CAMERA_LENS_UNCOVERED;
4844        if (mCameraLensCoverState == lensCoverState) {
4845            return;
4846        }
4847        if (mCameraLensCoverState == CAMERA_LENS_COVERED &&
4848                lensCoverState == CAMERA_LENS_UNCOVERED) {
4849            Intent intent;
4850            final boolean keyguardActive = mKeyguardDelegate == null ? false :
4851                    mKeyguardDelegate.isShowing();
4852            if (keyguardActive) {
4853                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);
4854            } else {
4855                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
4856            }
4857            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromCameraLens,
4858                    "android.policy:CAMERA_COVER");
4859            startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
4860        }
4861        mCameraLensCoverState = lensCoverState;
4862    }
4863
4864    void setHdmiPlugged(boolean plugged) {
4865        if (mHdmiPlugged != plugged) {
4866            mHdmiPlugged = plugged;
4867            updateRotation(true, true);
4868            Intent intent = new Intent(ACTION_HDMI_PLUGGED);
4869            intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
4870            intent.putExtra(EXTRA_HDMI_PLUGGED_STATE, plugged);
4871            mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
4872        }
4873    }
4874
4875    void initializeHdmiState() {
4876        boolean plugged = false;
4877        // watch for HDMI plug messages if the hdmi switch exists
4878        if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
4879            mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
4880
4881            final String filename = "/sys/class/switch/hdmi/state";
4882            FileReader reader = null;
4883            try {
4884                reader = new FileReader(filename);
4885                char[] buf = new char[15];
4886                int n = reader.read(buf);
4887                if (n > 1) {
4888                    plugged = 0 != Integer.parseInt(new String(buf, 0, n-1));
4889                }
4890            } catch (IOException ex) {
4891                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
4892            } catch (NumberFormatException ex) {
4893                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
4894            } finally {
4895                if (reader != null) {
4896                    try {
4897                        reader.close();
4898                    } catch (IOException ex) {
4899                    }
4900                }
4901            }
4902        }
4903        // This dance forces the code in setHdmiPlugged to run.
4904        // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
4905        mHdmiPlugged = !plugged;
4906        setHdmiPlugged(!mHdmiPlugged);
4907    }
4908
4909    final Object mScreenshotLock = new Object();
4910    ServiceConnection mScreenshotConnection = null;
4911
4912    final Runnable mScreenshotTimeout = new Runnable() {
4913        @Override public void run() {
4914            synchronized (mScreenshotLock) {
4915                if (mScreenshotConnection != null) {
4916                    mContext.unbindService(mScreenshotConnection);
4917                    mScreenshotConnection = null;
4918                }
4919            }
4920        }
4921    };
4922
4923    // Assume this is called from the Handler thread.
4924    private void takeScreenshot() {
4925        synchronized (mScreenshotLock) {
4926            if (mScreenshotConnection != null) {
4927                return;
4928            }
4929            ComponentName cn = new ComponentName("com.android.systemui",
4930                    "com.android.systemui.screenshot.TakeScreenshotService");
4931            Intent intent = new Intent();
4932            intent.setComponent(cn);
4933            ServiceConnection conn = new ServiceConnection() {
4934                @Override
4935                public void onServiceConnected(ComponentName name, IBinder service) {
4936                    synchronized (mScreenshotLock) {
4937                        if (mScreenshotConnection != this) {
4938                            return;
4939                        }
4940                        Messenger messenger = new Messenger(service);
4941                        Message msg = Message.obtain(null, 1);
4942                        final ServiceConnection myConn = this;
4943                        Handler h = new Handler(mHandler.getLooper()) {
4944                            @Override
4945                            public void handleMessage(Message msg) {
4946                                synchronized (mScreenshotLock) {
4947                                    if (mScreenshotConnection == myConn) {
4948                                        mContext.unbindService(mScreenshotConnection);
4949                                        mScreenshotConnection = null;
4950                                        mHandler.removeCallbacks(mScreenshotTimeout);
4951                                    }
4952                                }
4953                            }
4954                        };
4955                        msg.replyTo = new Messenger(h);
4956                        msg.arg1 = msg.arg2 = 0;
4957                        if (mStatusBar != null && mStatusBar.isVisibleLw())
4958                            msg.arg1 = 1;
4959                        if (mNavigationBar != null && mNavigationBar.isVisibleLw())
4960                            msg.arg2 = 1;
4961                        try {
4962                            messenger.send(msg);
4963                        } catch (RemoteException e) {
4964                        }
4965                    }
4966                }
4967                @Override
4968                public void onServiceDisconnected(ComponentName name) {}
4969            };
4970            if (mContext.bindServiceAsUser(
4971                    intent, conn, Context.BIND_AUTO_CREATE, UserHandle.CURRENT)) {
4972                mScreenshotConnection = conn;
4973                mHandler.postDelayed(mScreenshotTimeout, 10000);
4974            }
4975        }
4976    }
4977
4978    /** {@inheritDoc} */
4979    @Override
4980    public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) {
4981        if (!mSystemBooted) {
4982            // If we have not yet booted, don't let key events do anything.
4983            return 0;
4984        }
4985
4986        final boolean interactive = (policyFlags & FLAG_INTERACTIVE) != 0;
4987        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
4988        final boolean canceled = event.isCanceled();
4989        final int keyCode = event.getKeyCode();
4990
4991        final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;
4992
4993        // If screen is off then we treat the case where the keyguard is open but hidden
4994        // the same as if it were open and in front.
4995        // This will prevent any keys other than the power button from waking the screen
4996        // when the keyguard is hidden by another activity.
4997        final boolean keyguardActive = (mKeyguardDelegate == null ? false :
4998                                            (interactive ?
4999                                                isKeyguardShowingAndNotOccluded() :
5000                                                mKeyguardDelegate.isShowing()));
5001
5002        if (DEBUG_INPUT) {
5003            Log.d(TAG, "interceptKeyTq keycode=" + keyCode
5004                    + " interactive=" + interactive + " keyguardActive=" + keyguardActive
5005                    + " policyFlags=" + Integer.toHexString(policyFlags));
5006        }
5007
5008        // Basic policy based on interactive state.
5009        int result;
5010        boolean isWakeKey = (policyFlags & WindowManagerPolicy.FLAG_WAKE) != 0
5011                || event.isWakeKey();
5012        if (interactive || (isInjected && !isWakeKey)) {
5013            // When the device is interactive or the key is injected pass the
5014            // key to the application.
5015            result = ACTION_PASS_TO_USER;
5016            isWakeKey = false;
5017        } else if (!interactive && shouldDispatchInputWhenNonInteractive()) {
5018            // If we're currently dozing with the screen on and the keyguard showing, pass the key
5019            // to the application but preserve its wake key status to make sure we still move
5020            // from dozing to fully interactive if we would normally go from off to fully
5021            // interactive.
5022            result = ACTION_PASS_TO_USER;
5023        } else {
5024            // When the screen is off and the key is not injected, determine whether
5025            // to wake the device but don't pass the key to the application.
5026            result = 0;
5027            if (isWakeKey && (!down || !isWakeKeyWhenScreenOff(keyCode))) {
5028                isWakeKey = false;
5029            }
5030        }
5031
5032        // If the key would be handled globally, just return the result, don't worry about special
5033        // key processing.
5034        if (isValidGlobalKey(keyCode)
5035                && mGlobalKeyManager.shouldHandleGlobalKey(keyCode, event)) {
5036            if (isWakeKey) {
5037                wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5038            }
5039            return result;
5040        }
5041
5042        boolean useHapticFeedback = down
5043                && (policyFlags & WindowManagerPolicy.FLAG_VIRTUAL) != 0
5044                && event.getRepeatCount() == 0;
5045
5046        // Handle special keys.
5047        switch (keyCode) {
5048            case KeyEvent.KEYCODE_VOLUME_DOWN:
5049            case KeyEvent.KEYCODE_VOLUME_UP:
5050            case KeyEvent.KEYCODE_VOLUME_MUTE: {
5051                if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
5052                    if (down) {
5053                        if (interactive && !mScreenshotChordVolumeDownKeyTriggered
5054                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5055                            mScreenshotChordVolumeDownKeyTriggered = true;
5056                            mScreenshotChordVolumeDownKeyTime = event.getDownTime();
5057                            mScreenshotChordVolumeDownKeyConsumed = false;
5058                            cancelPendingPowerKeyAction();
5059                            interceptScreenshotChord();
5060                        }
5061                    } else {
5062                        mScreenshotChordVolumeDownKeyTriggered = false;
5063                        cancelPendingScreenshotChordAction();
5064                    }
5065                } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
5066                    if (down) {
5067                        if (interactive && !mScreenshotChordVolumeUpKeyTriggered
5068                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5069                            mScreenshotChordVolumeUpKeyTriggered = true;
5070                            cancelPendingPowerKeyAction();
5071                            cancelPendingScreenshotChordAction();
5072                        }
5073                    } else {
5074                        mScreenshotChordVolumeUpKeyTriggered = false;
5075                        cancelPendingScreenshotChordAction();
5076                    }
5077                }
5078                if (down) {
5079                    TelecomManager telecomManager = getTelecommService();
5080                    if (telecomManager != null) {
5081                        if (telecomManager.isRinging()) {
5082                            // If an incoming call is ringing, either VOLUME key means
5083                            // "silence ringer".  We handle these keys here, rather than
5084                            // in the InCallScreen, to make sure we'll respond to them
5085                            // even if the InCallScreen hasn't come to the foreground yet.
5086                            // Look for the DOWN event here, to agree with the "fallback"
5087                            // behavior in the InCallScreen.
5088                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5089                                  + " VOLUME key-down while ringing: Silence ringer!");
5090
5091                            // Silence the ringer.  (It's safe to call this
5092                            // even if the ringer has already been silenced.)
5093                            telecomManager.silenceRinger();
5094
5095                            // And *don't* pass this key thru to the current activity
5096                            // (which is probably the InCallScreen.)
5097                            result &= ~ACTION_PASS_TO_USER;
5098                            break;
5099                        }
5100                        if (telecomManager.isInCall()
5101                                && (result & ACTION_PASS_TO_USER) == 0) {
5102                            // If we are in call but we decided not to pass the key to
5103                            // the application, just pass it to the session service.
5104
5105                            MediaSessionLegacyHelper.getHelper(mContext)
5106                                    .sendVolumeKeyEvent(event, false);
5107                            break;
5108                        }
5109                    }
5110                }
5111                if (mUseTvRouting) {
5112                    // On TVs, defer special key handlings to
5113                    // {@link interceptKeyBeforeDispatching()}.
5114                    result |= ACTION_PASS_TO_USER;
5115                } else if ((result & ACTION_PASS_TO_USER) == 0) {
5116                    // If we aren't passing to the user and no one else
5117                    // handled it send it to the session manager to
5118                    // figure out.
5119                    MediaSessionLegacyHelper.getHelper(mContext)
5120                            .sendVolumeKeyEvent(event, true);
5121                }
5122                break;
5123            }
5124
5125            case KeyEvent.KEYCODE_ENDCALL: {
5126                result &= ~ACTION_PASS_TO_USER;
5127                if (down) {
5128                    TelecomManager telecomManager = getTelecommService();
5129                    boolean hungUp = false;
5130                    if (telecomManager != null) {
5131                        hungUp = telecomManager.endCall();
5132                    }
5133                    if (interactive && !hungUp) {
5134                        mEndCallKeyHandled = false;
5135                        mHandler.postDelayed(mEndCallLongPress,
5136                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
5137                    } else {
5138                        mEndCallKeyHandled = true;
5139                    }
5140                } else {
5141                    if (!mEndCallKeyHandled) {
5142                        mHandler.removeCallbacks(mEndCallLongPress);
5143                        if (!canceled) {
5144                            if ((mEndcallBehavior
5145                                    & Settings.System.END_BUTTON_BEHAVIOR_HOME) != 0) {
5146                                if (goHome()) {
5147                                    break;
5148                                }
5149                            }
5150                            if ((mEndcallBehavior
5151                                    & Settings.System.END_BUTTON_BEHAVIOR_SLEEP) != 0) {
5152                                mPowerManager.goToSleep(event.getEventTime(),
5153                                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
5154                                isWakeKey = false;
5155                            }
5156                        }
5157                    }
5158                }
5159                break;
5160            }
5161
5162            case KeyEvent.KEYCODE_POWER: {
5163                result &= ~ACTION_PASS_TO_USER;
5164                isWakeKey = false; // wake-up will be handled separately
5165                if (down) {
5166                    interceptPowerKeyDown(event, interactive);
5167                } else {
5168                    interceptPowerKeyUp(event, interactive, canceled);
5169                }
5170                break;
5171            }
5172
5173            case KeyEvent.KEYCODE_SLEEP: {
5174                result &= ~ACTION_PASS_TO_USER;
5175                isWakeKey = false;
5176                if (!mPowerManager.isInteractive()) {
5177                    useHapticFeedback = false; // suppress feedback if already non-interactive
5178                }
5179                if (down) {
5180                    sleepPress(event.getEventTime());
5181                } else {
5182                    sleepRelease(event.getEventTime());
5183                }
5184                break;
5185            }
5186
5187            case KeyEvent.KEYCODE_SOFT_SLEEP: {
5188                result &= ~ACTION_PASS_TO_USER;
5189                isWakeKey = false;
5190                if (!down) {
5191                    mPowerManagerInternal.setUserInactiveOverrideFromWindowManager();
5192                }
5193                break;
5194            }
5195
5196            case KeyEvent.KEYCODE_WAKEUP: {
5197                result &= ~ACTION_PASS_TO_USER;
5198                isWakeKey = true;
5199                break;
5200            }
5201
5202            case KeyEvent.KEYCODE_MEDIA_PLAY:
5203            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5204            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5205            case KeyEvent.KEYCODE_HEADSETHOOK:
5206            case KeyEvent.KEYCODE_MUTE:
5207            case KeyEvent.KEYCODE_MEDIA_STOP:
5208            case KeyEvent.KEYCODE_MEDIA_NEXT:
5209            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5210            case KeyEvent.KEYCODE_MEDIA_REWIND:
5211            case KeyEvent.KEYCODE_MEDIA_RECORD:
5212            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5213            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: {
5214                if (MediaSessionLegacyHelper.getHelper(mContext).isGlobalPriorityActive()) {
5215                    // If the global session is active pass all media keys to it
5216                    // instead of the active window.
5217                    result &= ~ACTION_PASS_TO_USER;
5218                }
5219                if ((result & ACTION_PASS_TO_USER) == 0) {
5220                    // Only do this if we would otherwise not pass it to the user. In that
5221                    // case, the PhoneWindow class will do the same thing, except it will
5222                    // only do it if the showing app doesn't process the key on its own.
5223                    // Note that we need to make a copy of the key event here because the
5224                    // original key event will be recycled when we return.
5225                    mBroadcastWakeLock.acquire();
5226                    Message msg = mHandler.obtainMessage(MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK,
5227                            new KeyEvent(event));
5228                    msg.setAsynchronous(true);
5229                    msg.sendToTarget();
5230                }
5231                break;
5232            }
5233
5234            case KeyEvent.KEYCODE_CALL: {
5235                if (down) {
5236                    TelecomManager telecomManager = getTelecommService();
5237                    if (telecomManager != null) {
5238                        if (telecomManager.isRinging()) {
5239                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5240                                  + " CALL key-down while ringing: Answer the call!");
5241                            telecomManager.acceptRingingCall();
5242
5243                            // And *don't* pass this key thru to the current activity
5244                            // (which is presumably the InCallScreen.)
5245                            result &= ~ACTION_PASS_TO_USER;
5246                        }
5247                    }
5248                }
5249                break;
5250            }
5251            case KeyEvent.KEYCODE_VOICE_ASSIST: {
5252                // Only do this if we would otherwise not pass it to the user. In that case,
5253                // interceptKeyBeforeDispatching would apply a similar but different policy in
5254                // order to invoke voice assist actions. Note that we need to make a copy of the
5255                // key event here because the original key event will be recycled when we return.
5256                if ((result & ACTION_PASS_TO_USER) == 0 && !down) {
5257                    mBroadcastWakeLock.acquire();
5258                    Message msg = mHandler.obtainMessage(MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK,
5259                            keyguardActive ? 1 : 0, 0);
5260                    msg.setAsynchronous(true);
5261                    msg.sendToTarget();
5262                }
5263            }
5264        }
5265
5266        if (useHapticFeedback) {
5267            performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
5268        }
5269
5270        if (isWakeKey) {
5271            wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5272        }
5273
5274        return result;
5275    }
5276
5277    /**
5278     * Returns true if the key can have global actions attached to it.
5279     * We reserve all power management keys for the system since they require
5280     * very careful handling.
5281     */
5282    private static boolean isValidGlobalKey(int keyCode) {
5283        switch (keyCode) {
5284            case KeyEvent.KEYCODE_POWER:
5285            case KeyEvent.KEYCODE_WAKEUP:
5286            case KeyEvent.KEYCODE_SLEEP:
5287                return false;
5288            default:
5289                return true;
5290        }
5291    }
5292
5293    /**
5294     * When the screen is off we ignore some keys that might otherwise typically
5295     * be considered wake keys.  We filter them out here.
5296     *
5297     * {@link KeyEvent#KEYCODE_POWER} is notably absent from this list because it
5298     * is always considered a wake key.
5299     */
5300    private boolean isWakeKeyWhenScreenOff(int keyCode) {
5301        switch (keyCode) {
5302            // ignore volume keys unless docked
5303            case KeyEvent.KEYCODE_VOLUME_UP:
5304            case KeyEvent.KEYCODE_VOLUME_DOWN:
5305            case KeyEvent.KEYCODE_VOLUME_MUTE:
5306                return mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;
5307
5308            // ignore media and camera keys
5309            case KeyEvent.KEYCODE_MUTE:
5310            case KeyEvent.KEYCODE_HEADSETHOOK:
5311            case KeyEvent.KEYCODE_MEDIA_PLAY:
5312            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5313            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5314            case KeyEvent.KEYCODE_MEDIA_STOP:
5315            case KeyEvent.KEYCODE_MEDIA_NEXT:
5316            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5317            case KeyEvent.KEYCODE_MEDIA_REWIND:
5318            case KeyEvent.KEYCODE_MEDIA_RECORD:
5319            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5320            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK:
5321            case KeyEvent.KEYCODE_CAMERA:
5322                return false;
5323        }
5324        return true;
5325    }
5326
5327
5328    /** {@inheritDoc} */
5329    @Override
5330    public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) {
5331        if ((policyFlags & FLAG_WAKE) != 0) {
5332            if (wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotion,
5333                    "android.policy:MOTION")) {
5334                return 0;
5335            }
5336        }
5337
5338        if (shouldDispatchInputWhenNonInteractive()) {
5339            return ACTION_PASS_TO_USER;
5340        }
5341
5342        // If we have not passed the action up and we are in theater mode without dreaming,
5343        // there will be no dream to intercept the touch and wake into ambient.  The device should
5344        // wake up in this case.
5345        if (isTheaterModeEnabled() && (policyFlags & FLAG_WAKE) != 0) {
5346            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotionWhenNotDreaming,
5347                    "android.policy:MOTION");
5348        }
5349
5350        return 0;
5351    }
5352
5353    private boolean shouldDispatchInputWhenNonInteractive() {
5354        // Send events to keyguard while the screen is on.
5355        if (isKeyguardShowingAndNotOccluded() && mDisplay != null
5356                && mDisplay.getState() != Display.STATE_OFF) {
5357            return true;
5358        }
5359
5360        // Send events to a dozing dream even if the screen is off since the dream
5361        // is in control of the state of the screen.
5362        IDreamManager dreamManager = getDreamManager();
5363
5364        try {
5365            if (dreamManager != null && dreamManager.isDreaming()) {
5366                return true;
5367            }
5368        } catch (RemoteException e) {
5369            Slog.e(TAG, "RemoteException when checking if dreaming", e);
5370        }
5371
5372        // Otherwise, consume events since the user can't see what is being
5373        // interacted with.
5374        return false;
5375    }
5376
5377    private void dispatchDirectAudioEvent(KeyEvent event) {
5378        if (event.getAction() != KeyEvent.ACTION_DOWN) {
5379            return;
5380        }
5381        int keyCode = event.getKeyCode();
5382        int flags = AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_PLAY_SOUND
5383                | AudioManager.FLAG_FROM_KEY;
5384        String pkgName = mContext.getOpPackageName();
5385        switch (keyCode) {
5386            case KeyEvent.KEYCODE_VOLUME_UP:
5387                try {
5388                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_RAISE,
5389                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
5390                } catch (RemoteException e) {
5391                    Log.e(TAG, "Error dispatching volume up in dispatchTvAudioEvent.", e);
5392                }
5393                break;
5394            case KeyEvent.KEYCODE_VOLUME_DOWN:
5395                try {
5396                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_LOWER,
5397                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
5398                } catch (RemoteException e) {
5399                    Log.e(TAG, "Error dispatching volume down in dispatchTvAudioEvent.", e);
5400                }
5401                break;
5402            case KeyEvent.KEYCODE_VOLUME_MUTE:
5403                try {
5404                    if (event.getRepeatCount() == 0) {
5405                        getAudioService().adjustSuggestedStreamVolume(
5406                                AudioManager.ADJUST_TOGGLE_MUTE,
5407                                AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
5408                    }
5409                } catch (RemoteException e) {
5410                    Log.e(TAG, "Error dispatching mute in dispatchTvAudioEvent.", e);
5411                }
5412                break;
5413        }
5414    }
5415
5416    void dispatchMediaKeyWithWakeLock(KeyEvent event) {
5417        if (DEBUG_INPUT) {
5418            Slog.d(TAG, "dispatchMediaKeyWithWakeLock: " + event);
5419        }
5420
5421        if (mHavePendingMediaKeyRepeatWithWakeLock) {
5422            if (DEBUG_INPUT) {
5423                Slog.d(TAG, "dispatchMediaKeyWithWakeLock: canceled repeat");
5424            }
5425
5426            mHandler.removeMessages(MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK);
5427            mHavePendingMediaKeyRepeatWithWakeLock = false;
5428            mBroadcastWakeLock.release(); // pending repeat was holding onto the wake lock
5429        }
5430
5431        dispatchMediaKeyWithWakeLockToAudioService(event);
5432
5433        if (event.getAction() == KeyEvent.ACTION_DOWN
5434                && event.getRepeatCount() == 0) {
5435            mHavePendingMediaKeyRepeatWithWakeLock = true;
5436
5437            Message msg = mHandler.obtainMessage(
5438                    MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK, event);
5439            msg.setAsynchronous(true);
5440            mHandler.sendMessageDelayed(msg, ViewConfiguration.getKeyRepeatTimeout());
5441        } else {
5442            mBroadcastWakeLock.release();
5443        }
5444    }
5445
5446    void dispatchMediaKeyRepeatWithWakeLock(KeyEvent event) {
5447        mHavePendingMediaKeyRepeatWithWakeLock = false;
5448
5449        KeyEvent repeatEvent = KeyEvent.changeTimeRepeat(event,
5450                SystemClock.uptimeMillis(), 1, event.getFlags() | KeyEvent.FLAG_LONG_PRESS);
5451        if (DEBUG_INPUT) {
5452            Slog.d(TAG, "dispatchMediaKeyRepeatWithWakeLock: " + repeatEvent);
5453        }
5454
5455        dispatchMediaKeyWithWakeLockToAudioService(repeatEvent);
5456        mBroadcastWakeLock.release();
5457    }
5458
5459    void dispatchMediaKeyWithWakeLockToAudioService(KeyEvent event) {
5460        if (ActivityManagerNative.isSystemReady()) {
5461            MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(event, true);
5462        }
5463    }
5464
5465    void launchVoiceAssistWithWakeLock(boolean keyguardActive) {
5466        IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
5467                ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
5468        if (dic != null) {
5469            try {
5470                dic.exitIdle("voice-search");
5471            } catch (RemoteException e) {
5472            }
5473        }
5474        Intent voiceIntent =
5475            new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
5476        voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, keyguardActive);
5477        startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
5478        mBroadcastWakeLock.release();
5479    }
5480
5481    BroadcastReceiver mDockReceiver = new BroadcastReceiver() {
5482        @Override
5483        public void onReceive(Context context, Intent intent) {
5484            if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
5485                mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
5486                        Intent.EXTRA_DOCK_STATE_UNDOCKED);
5487            } else {
5488                try {
5489                    IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
5490                            ServiceManager.getService(Context.UI_MODE_SERVICE));
5491                    mUiMode = uiModeService.getCurrentModeType();
5492                } catch (RemoteException e) {
5493                }
5494            }
5495            updateRotation(true);
5496            synchronized (mLock) {
5497                updateOrientationListenerLp();
5498            }
5499        }
5500    };
5501
5502    BroadcastReceiver mDreamReceiver = new BroadcastReceiver() {
5503        @Override
5504        public void onReceive(Context context, Intent intent) {
5505            if (Intent.ACTION_DREAMING_STARTED.equals(intent.getAction())) {
5506                if (mKeyguardDelegate != null) {
5507                    mKeyguardDelegate.onDreamingStarted();
5508                }
5509            } else if (Intent.ACTION_DREAMING_STOPPED.equals(intent.getAction())) {
5510                if (mKeyguardDelegate != null) {
5511                    mKeyguardDelegate.onDreamingStopped();
5512                }
5513            }
5514        }
5515    };
5516
5517    BroadcastReceiver mMultiuserReceiver = new BroadcastReceiver() {
5518        @Override
5519        public void onReceive(Context context, Intent intent) {
5520            if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) {
5521                // tickle the settings observer: this first ensures that we're
5522                // observing the relevant settings for the newly-active user,
5523                // and then updates our own bookkeeping based on the now-
5524                // current user.
5525                mSettingsObserver.onChange(false);
5526
5527                // force a re-application of focused window sysui visibility.
5528                // the window may never have been shown for this user
5529                // e.g. the keyguard when going through the new-user setup flow
5530                synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5531                    mLastSystemUiFlags = 0;
5532                    updateSystemUiVisibilityLw();
5533                }
5534            }
5535        }
5536    };
5537
5538    private final Runnable mHiddenNavPanic = new Runnable() {
5539        @Override
5540        public void run() {
5541            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5542                if (!isUserSetupComplete()) {
5543                    // Swipe-up for navigation bar is disabled during setup
5544                    return;
5545                }
5546                mPendingPanicGestureUptime = SystemClock.uptimeMillis();
5547                mNavigationBarController.showTransient();
5548            }
5549        }
5550    };
5551
5552    private void requestTransientBars(WindowState swipeTarget) {
5553        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5554            if (!isUserSetupComplete()) {
5555                // Swipe-up for navigation bar is disabled during setup
5556                return;
5557            }
5558            boolean sb = mStatusBarController.checkShowTransientBarLw();
5559            boolean nb = mNavigationBarController.checkShowTransientBarLw();
5560            if (sb || nb) {
5561                // Don't show status bar when swiping on already visible navigation bar
5562                if (!nb && swipeTarget == mNavigationBar) {
5563                    if (DEBUG) Slog.d(TAG, "Not showing transient bar, wrong swipe target");
5564                    return;
5565                }
5566                if (sb) mStatusBarController.showTransient();
5567                if (nb) mNavigationBarController.showTransient();
5568                mImmersiveModeConfirmation.confirmCurrentPrompt();
5569                updateSystemUiVisibilityLw();
5570            }
5571        }
5572    }
5573
5574    // Called on the PowerManager's Notifier thread.
5575    @Override
5576    public void startedGoingToSleep(int why) {
5577        if (DEBUG_WAKEUP) Slog.i(TAG, "Started going to sleep... (why=" + why + ")");
5578        if (mKeyguardDelegate != null) {
5579            mKeyguardDelegate.onStartedGoingToSleep(why);
5580        }
5581    }
5582
5583    // Called on the PowerManager's Notifier thread.
5584    @Override
5585    public void finishedGoingToSleep(int why) {
5586        EventLog.writeEvent(70000, 0);
5587        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished going to sleep... (why=" + why + ")");
5588        MetricsLogger.histogram(mContext, "screen_timeout", mLockScreenTimeout / 1000);
5589
5590        // We must get this work done here because the power manager will drop
5591        // the wake lock and let the system suspend once this function returns.
5592        synchronized (mLock) {
5593            mAwake = false;
5594            updateWakeGestureListenerLp();
5595            updateOrientationListenerLp();
5596            updateLockScreenTimeout();
5597        }
5598        if (mKeyguardDelegate != null) {
5599            mKeyguardDelegate.onFinishedGoingToSleep(why);
5600        }
5601    }
5602
5603    // Called on the PowerManager's Notifier thread.
5604    @Override
5605    public void startedWakingUp() {
5606        EventLog.writeEvent(70000, 1);
5607        if (DEBUG_WAKEUP) Slog.i(TAG, "Started waking up...");
5608
5609        // Since goToSleep performs these functions synchronously, we must
5610        // do the same here.  We cannot post this work to a handler because
5611        // that might cause it to become reordered with respect to what
5612        // may happen in a future call to goToSleep.
5613        synchronized (mLock) {
5614            mAwake = true;
5615
5616            updateWakeGestureListenerLp();
5617            updateOrientationListenerLp();
5618            updateLockScreenTimeout();
5619        }
5620
5621        if (mKeyguardDelegate != null) {
5622            mKeyguardDelegate.onStartedWakingUp();
5623        }
5624    }
5625
5626    // Called on the PowerManager's Notifier thread.
5627    @Override
5628    public void finishedWakingUp() {
5629        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished waking up...");
5630    }
5631
5632    private void wakeUpFromPowerKey(long eventTime) {
5633        wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey, "android.policy:POWER");
5634    }
5635
5636    private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode, String reason) {
5637        final boolean theaterModeEnabled = isTheaterModeEnabled();
5638        if (!wakeInTheaterMode && theaterModeEnabled) {
5639            return false;
5640        }
5641
5642        if (theaterModeEnabled) {
5643            Settings.Global.putInt(mContext.getContentResolver(),
5644                    Settings.Global.THEATER_MODE_ON, 0);
5645        }
5646
5647        mPowerManager.wakeUp(wakeTime, reason);
5648        return true;
5649    }
5650
5651    private void finishKeyguardDrawn() {
5652        synchronized (mLock) {
5653            if (!mScreenOnEarly || mKeyguardDrawComplete) {
5654                return; // We are not awake yet or we have already informed of this event.
5655            }
5656
5657            mKeyguardDrawComplete = true;
5658            if (mKeyguardDelegate != null) {
5659                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
5660            }
5661            mWindowManagerDrawComplete = false;
5662        }
5663
5664        // ... eventually calls finishWindowsDrawn which will finalize our screen turn on
5665        // as well as enabling the orientation change logic/sensor.
5666        mWindowManagerInternal.waitForAllWindowsDrawn(mWindowManagerDrawCallback,
5667                WAITING_FOR_DRAWN_TIMEOUT);
5668    }
5669
5670    // Called on the DisplayManager's DisplayPowerController thread.
5671    @Override
5672    public void screenTurnedOff() {
5673        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turned off...");
5674
5675        updateScreenOffSleepToken(true);
5676        synchronized (mLock) {
5677            mScreenOnEarly = false;
5678            mScreenOnFully = false;
5679            mKeyguardDrawComplete = false;
5680            mWindowManagerDrawComplete = false;
5681            mScreenOnListener = null;
5682            updateOrientationListenerLp();
5683
5684            if (mKeyguardDelegate != null) {
5685                mKeyguardDelegate.onScreenTurnedOff();
5686            }
5687        }
5688    }
5689
5690    // Called on the DisplayManager's DisplayPowerController thread.
5691    @Override
5692    public void screenTurningOn(final ScreenOnListener screenOnListener) {
5693        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turning on...");
5694
5695        updateScreenOffSleepToken(false);
5696        synchronized (mLock) {
5697            mScreenOnEarly = true;
5698            mScreenOnFully = false;
5699            mKeyguardDrawComplete = false;
5700            mWindowManagerDrawComplete = false;
5701            mScreenOnListener = screenOnListener;
5702
5703            if (mKeyguardDelegate != null) {
5704                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
5705                mHandler.sendEmptyMessageDelayed(MSG_KEYGUARD_DRAWN_TIMEOUT, 1000);
5706                mKeyguardDelegate.onScreenTurningOn(mKeyguardDrawnCallback);
5707            } else {
5708                if (DEBUG_WAKEUP) Slog.d(TAG,
5709                        "null mKeyguardDelegate: setting mKeyguardDrawComplete.");
5710                finishKeyguardDrawn();
5711            }
5712        }
5713    }
5714
5715    // Called on the DisplayManager's DisplayPowerController thread.
5716    @Override
5717    public void screenTurnedOn() {
5718        synchronized (mLock) {
5719            if (mKeyguardDelegate != null) {
5720                mKeyguardDelegate.onScreenTurnedOn();
5721            }
5722        }
5723    }
5724
5725    private void finishWindowsDrawn() {
5726        synchronized (mLock) {
5727            if (!mScreenOnEarly || mWindowManagerDrawComplete) {
5728                return; // Screen is not turned on or we did already handle this case earlier.
5729            }
5730
5731            mWindowManagerDrawComplete = true;
5732        }
5733
5734        finishScreenTurningOn();
5735    }
5736
5737    private void finishScreenTurningOn() {
5738        synchronized (mLock) {
5739            // We have just finished drawing screen content. Since the orientation listener
5740            // gets only installed when all windows are drawn, we try to install it again.
5741            updateOrientationListenerLp();
5742        }
5743        final ScreenOnListener listener;
5744        final boolean enableScreen;
5745        synchronized (mLock) {
5746            if (DEBUG_WAKEUP) Slog.d(TAG,
5747                    "finishScreenTurningOn: mAwake=" + mAwake
5748                            + ", mScreenOnEarly=" + mScreenOnEarly
5749                            + ", mScreenOnFully=" + mScreenOnFully
5750                            + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
5751                            + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
5752
5753            if (mScreenOnFully || !mScreenOnEarly || !mWindowManagerDrawComplete
5754                    || (mAwake && !mKeyguardDrawComplete)) {
5755                return; // spurious or not ready yet
5756            }
5757
5758            if (DEBUG_WAKEUP) Slog.i(TAG, "Finished screen turning on...");
5759            listener = mScreenOnListener;
5760            mScreenOnListener = null;
5761            mScreenOnFully = true;
5762
5763            // Remember the first time we draw the keyguard so we know when we're done with
5764            // the main part of booting and can enable the screen and hide boot messages.
5765            if (!mKeyguardDrawnOnce && mAwake) {
5766                mKeyguardDrawnOnce = true;
5767                enableScreen = true;
5768                if (mBootMessageNeedsHiding) {
5769                    mBootMessageNeedsHiding = false;
5770                    hideBootMessages();
5771                }
5772            } else {
5773                enableScreen = false;
5774            }
5775        }
5776
5777        if (listener != null) {
5778            listener.onScreenOn();
5779        }
5780
5781        if (enableScreen) {
5782            try {
5783                mWindowManager.enableScreenIfNeeded();
5784            } catch (RemoteException unhandled) {
5785            }
5786        }
5787    }
5788
5789    private void handleHideBootMessage() {
5790        synchronized (mLock) {
5791            if (!mKeyguardDrawnOnce) {
5792                mBootMessageNeedsHiding = true;
5793                return; // keyguard hasn't drawn the first time yet, not done booting
5794            }
5795        }
5796
5797        if (mBootMsgDialog != null) {
5798            if (DEBUG_WAKEUP) Slog.d(TAG, "handleHideBootMessage: dismissing");
5799            mBootMsgDialog.dismiss();
5800            mBootMsgDialog = null;
5801        }
5802    }
5803
5804    @Override
5805    public boolean isScreenOn() {
5806        return mScreenOnFully;
5807    }
5808
5809    /** {@inheritDoc} */
5810    @Override
5811    public void enableKeyguard(boolean enabled) {
5812        if (mKeyguardDelegate != null) {
5813            mKeyguardDelegate.setKeyguardEnabled(enabled);
5814        }
5815    }
5816
5817    /** {@inheritDoc} */
5818    @Override
5819    public void exitKeyguardSecurely(OnKeyguardExitResult callback) {
5820        if (mKeyguardDelegate != null) {
5821            mKeyguardDelegate.verifyUnlock(callback);
5822        }
5823    }
5824
5825    private boolean isKeyguardShowingAndNotOccluded() {
5826        if (mKeyguardDelegate == null) return false;
5827        return mKeyguardDelegate.isShowing() && !mKeyguardOccluded;
5828    }
5829
5830    /** {@inheritDoc} */
5831    @Override
5832    public boolean isKeyguardLocked() {
5833        return keyguardOn();
5834    }
5835
5836    /** {@inheritDoc} */
5837    @Override
5838    public boolean isKeyguardSecure() {
5839        if (mKeyguardDelegate == null) return false;
5840        return mKeyguardDelegate.isSecure();
5841    }
5842
5843    /** {@inheritDoc} */
5844    @Override
5845    public boolean isKeyguardShowingOrOccluded() {
5846        return mKeyguardDelegate == null ? false : mKeyguardDelegate.isShowing();
5847    }
5848
5849    /** {@inheritDoc} */
5850    @Override
5851    public boolean inKeyguardRestrictedKeyInputMode() {
5852        if (mKeyguardDelegate == null) return false;
5853        return mKeyguardDelegate.isInputRestricted();
5854    }
5855
5856    @Override
5857    public void dismissKeyguardLw() {
5858        if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
5859            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.dismissKeyguardLw");
5860            mHandler.post(new Runnable() {
5861                @Override
5862                public void run() {
5863                    // ask the keyguard to prompt the user to authenticate if necessary
5864                    mKeyguardDelegate.dismiss();
5865                }
5866            });
5867        }
5868    }
5869
5870    public void notifyActivityDrawnForKeyguardLw() {
5871        if (mKeyguardDelegate != null) {
5872            mHandler.post(new Runnable() {
5873                @Override
5874                public void run() {
5875                    mKeyguardDelegate.onActivityDrawn();
5876                }
5877            });
5878        }
5879    }
5880
5881    @Override
5882    public boolean isKeyguardDrawnLw() {
5883        synchronized (mLock) {
5884            return mKeyguardDrawnOnce;
5885        }
5886    }
5887
5888    @Override
5889    public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
5890        if (mKeyguardDelegate != null) {
5891            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.startKeyguardExitAnimation");
5892            mKeyguardDelegate.startKeyguardExitAnimation(startTime, fadeoutDuration);
5893        }
5894    }
5895
5896    void sendCloseSystemWindows() {
5897        PhoneWindow.sendCloseSystemWindows(mContext, null);
5898    }
5899
5900    void sendCloseSystemWindows(String reason) {
5901        PhoneWindow.sendCloseSystemWindows(mContext, reason);
5902    }
5903
5904    @Override
5905    public int rotationForOrientationLw(int orientation, int lastRotation) {
5906        if (false) {
5907            Slog.v(TAG, "rotationForOrientationLw(orient="
5908                        + orientation + ", last=" + lastRotation
5909                        + "); user=" + mUserRotation + " "
5910                        + ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED)
5911                            ? "USER_ROTATION_LOCKED" : "")
5912                        );
5913        }
5914
5915        if (mForceDefaultOrientation) {
5916            return Surface.ROTATION_0;
5917        }
5918
5919        synchronized (mLock) {
5920            int sensorRotation = mOrientationListener.getProposedRotation(); // may be -1
5921            if (sensorRotation < 0) {
5922                sensorRotation = lastRotation;
5923            }
5924
5925            final int preferredRotation;
5926            if (mLidState == LID_OPEN && mLidOpenRotation >= 0) {
5927                // Ignore sensor when lid switch is open and rotation is forced.
5928                preferredRotation = mLidOpenRotation;
5929            } else if (mDockMode == Intent.EXTRA_DOCK_STATE_CAR
5930                    && (mCarDockEnablesAccelerometer || mCarDockRotation >= 0)) {
5931                // Ignore sensor when in car dock unless explicitly enabled.
5932                // This case can override the behavior of NOSENSOR, and can also
5933                // enable 180 degree rotation while docked.
5934                preferredRotation = mCarDockEnablesAccelerometer
5935                        ? sensorRotation : mCarDockRotation;
5936            } else if ((mDockMode == Intent.EXTRA_DOCK_STATE_DESK
5937                    || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
5938                    || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK)
5939                    && (mDeskDockEnablesAccelerometer || mDeskDockRotation >= 0)) {
5940                // Ignore sensor when in desk dock unless explicitly enabled.
5941                // This case can override the behavior of NOSENSOR, and can also
5942                // enable 180 degree rotation while docked.
5943                preferredRotation = mDeskDockEnablesAccelerometer
5944                        ? sensorRotation : mDeskDockRotation;
5945            } else if (mHdmiPlugged && mDemoHdmiRotationLock) {
5946                // Ignore sensor when plugged into HDMI when demo HDMI rotation lock enabled.
5947                // Note that the dock orientation overrides the HDMI orientation.
5948                preferredRotation = mDemoHdmiRotation;
5949            } else if (mHdmiPlugged && mDockMode == Intent.EXTRA_DOCK_STATE_UNDOCKED
5950                    && mUndockedHdmiRotation >= 0) {
5951                // Ignore sensor when plugged into HDMI and an undocked orientation has
5952                // been specified in the configuration (only for legacy devices without
5953                // full multi-display support).
5954                // Note that the dock orientation overrides the HDMI orientation.
5955                preferredRotation = mUndockedHdmiRotation;
5956            } else if (mDemoRotationLock) {
5957                // Ignore sensor when demo rotation lock is enabled.
5958                // Note that the dock orientation and HDMI rotation lock override this.
5959                preferredRotation = mDemoRotation;
5960            } else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {
5961                // Application just wants to remain locked in the last rotation.
5962                preferredRotation = lastRotation;
5963            } else if (!mSupportAutoRotation) {
5964                // If we don't support auto-rotation then bail out here and ignore
5965                // the sensor and any rotation lock settings.
5966                preferredRotation = -1;
5967            } else if ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE
5968                            && (orientation == ActivityInfo.SCREEN_ORIENTATION_USER
5969                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
5970                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
5971                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT
5972                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER))
5973                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
5974                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
5975                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE
5976                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) {
5977                // Otherwise, use sensor only if requested by the application or enabled
5978                // by default for USER or UNSPECIFIED modes.  Does not apply to NOSENSOR.
5979                if (mAllowAllRotations < 0) {
5980                    // Can't read this during init() because the context doesn't
5981                    // have display metrics at that time so we cannot determine
5982                    // tablet vs. phone then.
5983                    mAllowAllRotations = mContext.getResources().getBoolean(
5984                            com.android.internal.R.bool.config_allowAllRotations) ? 1 : 0;
5985                }
5986                if (sensorRotation != Surface.ROTATION_180
5987                        || mAllowAllRotations == 1
5988                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
5989                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER) {
5990                    preferredRotation = sensorRotation;
5991                } else {
5992                    preferredRotation = lastRotation;
5993                }
5994            } else if (mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED
5995                    && orientation != ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
5996                // Apply rotation lock.  Does not apply to NOSENSOR.
5997                // The idea is that the user rotation expresses a weak preference for the direction
5998                // of gravity and as NOSENSOR is never affected by gravity, then neither should
5999                // NOSENSOR be affected by rotation lock (although it will be affected by docks).
6000                preferredRotation = mUserRotation;
6001            } else {
6002                // No overriding preference.
6003                // We will do exactly what the application asked us to do.
6004                preferredRotation = -1;
6005            }
6006
6007            switch (orientation) {
6008                case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6009                    // Return portrait unless overridden.
6010                    if (isAnyPortrait(preferredRotation)) {
6011                        return preferredRotation;
6012                    }
6013                    return mPortraitRotation;
6014
6015                case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6016                    // Return landscape unless overridden.
6017                    if (isLandscapeOrSeascape(preferredRotation)) {
6018                        return preferredRotation;
6019                    }
6020                    return mLandscapeRotation;
6021
6022                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6023                    // Return reverse portrait unless overridden.
6024                    if (isAnyPortrait(preferredRotation)) {
6025                        return preferredRotation;
6026                    }
6027                    return mUpsideDownRotation;
6028
6029                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6030                    // Return seascape unless overridden.
6031                    if (isLandscapeOrSeascape(preferredRotation)) {
6032                        return preferredRotation;
6033                    }
6034                    return mSeascapeRotation;
6035
6036                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6037                case ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE:
6038                    // Return either landscape rotation.
6039                    if (isLandscapeOrSeascape(preferredRotation)) {
6040                        return preferredRotation;
6041                    }
6042                    if (isLandscapeOrSeascape(lastRotation)) {
6043                        return lastRotation;
6044                    }
6045                    return mLandscapeRotation;
6046
6047                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6048                case ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT:
6049                    // Return either portrait rotation.
6050                    if (isAnyPortrait(preferredRotation)) {
6051                        return preferredRotation;
6052                    }
6053                    if (isAnyPortrait(lastRotation)) {
6054                        return lastRotation;
6055                    }
6056                    return mPortraitRotation;
6057
6058                default:
6059                    // For USER, UNSPECIFIED, NOSENSOR, SENSOR and FULL_SENSOR,
6060                    // just return the preferred orientation we already calculated.
6061                    if (preferredRotation >= 0) {
6062                        return preferredRotation;
6063                    }
6064                    return Surface.ROTATION_0;
6065            }
6066        }
6067    }
6068
6069    @Override
6070    public boolean rotationHasCompatibleMetricsLw(int orientation, int rotation) {
6071        switch (orientation) {
6072            case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6073            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6074            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6075                return isAnyPortrait(rotation);
6076
6077            case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6078            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6079            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6080                return isLandscapeOrSeascape(rotation);
6081
6082            default:
6083                return true;
6084        }
6085    }
6086
6087    @Override
6088    public void setRotationLw(int rotation) {
6089        mOrientationListener.setCurrentRotation(rotation);
6090    }
6091
6092    private boolean isLandscapeOrSeascape(int rotation) {
6093        return rotation == mLandscapeRotation || rotation == mSeascapeRotation;
6094    }
6095
6096    private boolean isAnyPortrait(int rotation) {
6097        return rotation == mPortraitRotation || rotation == mUpsideDownRotation;
6098    }
6099
6100    @Override
6101    public int getUserRotationMode() {
6102        return Settings.System.getIntForUser(mContext.getContentResolver(),
6103                Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
6104                        WindowManagerPolicy.USER_ROTATION_FREE :
6105                                WindowManagerPolicy.USER_ROTATION_LOCKED;
6106    }
6107
6108    // User rotation: to be used when all else fails in assigning an orientation to the device
6109    @Override
6110    public void setUserRotationMode(int mode, int rot) {
6111        ContentResolver res = mContext.getContentResolver();
6112
6113        // mUserRotationMode and mUserRotation will be assigned by the content observer
6114        if (mode == WindowManagerPolicy.USER_ROTATION_LOCKED) {
6115            Settings.System.putIntForUser(res,
6116                    Settings.System.USER_ROTATION,
6117                    rot,
6118                    UserHandle.USER_CURRENT);
6119            Settings.System.putIntForUser(res,
6120                    Settings.System.ACCELEROMETER_ROTATION,
6121                    0,
6122                    UserHandle.USER_CURRENT);
6123        } else {
6124            Settings.System.putIntForUser(res,
6125                    Settings.System.ACCELEROMETER_ROTATION,
6126                    1,
6127                    UserHandle.USER_CURRENT);
6128        }
6129    }
6130
6131    @Override
6132    public void setSafeMode(boolean safeMode) {
6133        mSafeMode = safeMode;
6134        performHapticFeedbackLw(null, safeMode
6135                ? HapticFeedbackConstants.SAFE_MODE_ENABLED
6136                : HapticFeedbackConstants.SAFE_MODE_DISABLED, true);
6137    }
6138
6139    static long[] getLongIntArray(Resources r, int resid) {
6140        int[] ar = r.getIntArray(resid);
6141        if (ar == null) {
6142            return null;
6143        }
6144        long[] out = new long[ar.length];
6145        for (int i=0; i<ar.length; i++) {
6146            out[i] = ar[i];
6147        }
6148        return out;
6149    }
6150
6151    /** {@inheritDoc} */
6152    @Override
6153    public void systemReady() {
6154        mKeyguardDelegate = new KeyguardServiceDelegate(mContext);
6155        mKeyguardDelegate.onSystemReady();
6156
6157        readCameraLensCoverState();
6158        updateUiMode();
6159        boolean bindKeyguardNow;
6160        synchronized (mLock) {
6161            updateOrientationListenerLp();
6162            mSystemReady = true;
6163            mHandler.post(new Runnable() {
6164                @Override
6165                public void run() {
6166                    updateSettings();
6167                }
6168            });
6169
6170            bindKeyguardNow = mDeferBindKeyguard;
6171            if (bindKeyguardNow) {
6172                // systemBooted ran but wasn't able to bind to the Keyguard, we'll do it now.
6173                mDeferBindKeyguard = false;
6174            }
6175        }
6176
6177        if (bindKeyguardNow) {
6178            mKeyguardDelegate.bindService(mContext);
6179            mKeyguardDelegate.onBootCompleted();
6180        }
6181        mSystemGestures.systemReady();
6182    }
6183
6184    /** {@inheritDoc} */
6185    @Override
6186    public void systemBooted() {
6187        boolean bindKeyguardNow = false;
6188        synchronized (mLock) {
6189            // Time to bind Keyguard; take care to only bind it once, either here if ready or
6190            // in systemReady if not.
6191            if (mKeyguardDelegate != null) {
6192                bindKeyguardNow = true;
6193            } else {
6194                // Because mKeyguardDelegate is null, we know that the synchronized block in
6195                // systemReady didn't run yet and setting this will actually have an effect.
6196                mDeferBindKeyguard = true;
6197            }
6198        }
6199        if (bindKeyguardNow) {
6200            mKeyguardDelegate.bindService(mContext);
6201            mKeyguardDelegate.onBootCompleted();
6202        }
6203        synchronized (mLock) {
6204            mSystemBooted = true;
6205        }
6206        startedWakingUp();
6207        screenTurningOn(null);
6208        screenTurnedOn();
6209    }
6210
6211    ProgressDialog mBootMsgDialog = null;
6212
6213    /** {@inheritDoc} */
6214    @Override
6215    public void showBootMessage(final CharSequence msg, final boolean always) {
6216        mHandler.post(new Runnable() {
6217            @Override public void run() {
6218                if (mBootMsgDialog == null) {
6219                    int theme;
6220                    if (mContext.getPackageManager().hasSystemFeature(
6221                            PackageManager.FEATURE_WATCH)) {
6222                        theme = com.android.internal.R.style.Theme_Micro_Dialog_Alert;
6223                    } else if (mContext.getPackageManager().hasSystemFeature(
6224                            PackageManager.FEATURE_TELEVISION)) {
6225                        theme = com.android.internal.R.style.Theme_Leanback_Dialog_Alert;
6226                    } else {
6227                        theme = 0;
6228                    }
6229
6230                    mBootMsgDialog = new ProgressDialog(mContext, theme) {
6231                        // This dialog will consume all events coming in to
6232                        // it, to avoid it trying to do things too early in boot.
6233                        @Override public boolean dispatchKeyEvent(KeyEvent event) {
6234                            return true;
6235                        }
6236                        @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
6237                            return true;
6238                        }
6239                        @Override public boolean dispatchTouchEvent(MotionEvent ev) {
6240                            return true;
6241                        }
6242                        @Override public boolean dispatchTrackballEvent(MotionEvent ev) {
6243                            return true;
6244                        }
6245                        @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) {
6246                            return true;
6247                        }
6248                        @Override public boolean dispatchPopulateAccessibilityEvent(
6249                                AccessibilityEvent event) {
6250                            return true;
6251                        }
6252                    };
6253                    if (mContext.getPackageManager().isUpgrade()) {
6254                        mBootMsgDialog.setTitle(R.string.android_upgrading_title);
6255                    } else {
6256                        mBootMsgDialog.setTitle(R.string.android_start_title);
6257                    }
6258                    mBootMsgDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
6259                    mBootMsgDialog.setIndeterminate(true);
6260                    mBootMsgDialog.getWindow().setType(
6261                            WindowManager.LayoutParams.TYPE_BOOT_PROGRESS);
6262                    mBootMsgDialog.getWindow().addFlags(
6263                            WindowManager.LayoutParams.FLAG_DIM_BEHIND
6264                            | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
6265                    mBootMsgDialog.getWindow().setDimAmount(1);
6266                    WindowManager.LayoutParams lp = mBootMsgDialog.getWindow().getAttributes();
6267                    lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
6268                    mBootMsgDialog.getWindow().setAttributes(lp);
6269                    mBootMsgDialog.setCancelable(false);
6270                    mBootMsgDialog.show();
6271                }
6272                mBootMsgDialog.setMessage(msg);
6273            }
6274        });
6275    }
6276
6277    /** {@inheritDoc} */
6278    @Override
6279    public void hideBootMessages() {
6280        mHandler.sendEmptyMessage(MSG_HIDE_BOOT_MESSAGE);
6281    }
6282
6283    /** {@inheritDoc} */
6284    @Override
6285    public void userActivity() {
6286        // ***************************************
6287        // NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
6288        // ***************************************
6289        // THIS IS CALLED FROM DEEP IN THE POWER MANAGER
6290        // WITH ITS LOCKS HELD.
6291        //
6292        // This code must be VERY careful about the locks
6293        // it acquires.
6294        // In fact, the current code acquires way too many,
6295        // and probably has lurking deadlocks.
6296
6297        synchronized (mScreenLockTimeout) {
6298            if (mLockScreenTimerActive) {
6299                // reset the timer
6300                mHandler.removeCallbacks(mScreenLockTimeout);
6301                mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
6302            }
6303        }
6304    }
6305
6306    class ScreenLockTimeout implements Runnable {
6307        Bundle options;
6308
6309        @Override
6310        public void run() {
6311            synchronized (this) {
6312                if (localLOGV) Log.v(TAG, "mScreenLockTimeout activating keyguard");
6313                if (mKeyguardDelegate != null) {
6314                    mKeyguardDelegate.doKeyguardTimeout(options);
6315                }
6316                mLockScreenTimerActive = false;
6317                options = null;
6318            }
6319        }
6320
6321        public void setLockOptions(Bundle options) {
6322            this.options = options;
6323        }
6324    }
6325
6326    ScreenLockTimeout mScreenLockTimeout = new ScreenLockTimeout();
6327
6328    @Override
6329    public void lockNow(Bundle options) {
6330        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);
6331        mHandler.removeCallbacks(mScreenLockTimeout);
6332        if (options != null) {
6333            // In case multiple calls are made to lockNow, we don't wipe out the options
6334            // until the runnable actually executes.
6335            mScreenLockTimeout.setLockOptions(options);
6336        }
6337        mHandler.post(mScreenLockTimeout);
6338    }
6339
6340    private void updateLockScreenTimeout() {
6341        synchronized (mScreenLockTimeout) {
6342            boolean enable = (mAllowLockscreenWhenOn && mAwake &&
6343                    mKeyguardDelegate != null && mKeyguardDelegate.isSecure());
6344            if (mLockScreenTimerActive != enable) {
6345                if (enable) {
6346                    if (localLOGV) Log.v(TAG, "setting lockscreen timer");
6347                    mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
6348                } else {
6349                    if (localLOGV) Log.v(TAG, "clearing lockscreen timer");
6350                    mHandler.removeCallbacks(mScreenLockTimeout);
6351                }
6352                mLockScreenTimerActive = enable;
6353            }
6354        }
6355    }
6356
6357    private void updateDreamingSleepToken(boolean acquire) {
6358        if (acquire) {
6359            if (mDreamingSleepToken == null) {
6360                mDreamingSleepToken = mActivityManagerInternal.acquireSleepToken("Dream");
6361            }
6362        } else {
6363            if (mDreamingSleepToken != null) {
6364                mDreamingSleepToken.release();
6365                mDreamingSleepToken = null;
6366            }
6367        }
6368    }
6369
6370    private void updateScreenOffSleepToken(boolean acquire) {
6371        if (acquire) {
6372            if (mScreenOffSleepToken == null) {
6373                mScreenOffSleepToken = mActivityManagerInternal.acquireSleepToken("ScreenOff");
6374            }
6375        } else {
6376            if (mScreenOffSleepToken != null) {
6377                mScreenOffSleepToken.release();
6378                mScreenOffSleepToken = null;
6379            }
6380        }
6381    }
6382
6383    /** {@inheritDoc} */
6384    @Override
6385    public void enableScreenAfterBoot() {
6386        readLidState();
6387        applyLidSwitchState();
6388        updateRotation(true);
6389    }
6390
6391    private void applyLidSwitchState() {
6392        if (mLidState == LID_CLOSED && mLidControlsSleep) {
6393            mPowerManager.goToSleep(SystemClock.uptimeMillis(),
6394                    PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH,
6395                    PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
6396        } else if (mLidState == LID_CLOSED && mLidControlsScreenLock) {
6397            mWindowManagerFuncs.lockDeviceNow();
6398        }
6399
6400        synchronized (mLock) {
6401            updateWakeGestureListenerLp();
6402        }
6403    }
6404
6405    void updateUiMode() {
6406        if (mUiModeManager == null) {
6407            mUiModeManager = IUiModeManager.Stub.asInterface(
6408                    ServiceManager.getService(Context.UI_MODE_SERVICE));
6409        }
6410        try {
6411            mUiMode = mUiModeManager.getCurrentModeType();
6412        } catch (RemoteException e) {
6413        }
6414    }
6415
6416    void updateRotation(boolean alwaysSendConfiguration) {
6417        try {
6418            //set orientation on WindowManager
6419            mWindowManager.updateRotation(alwaysSendConfiguration, false);
6420        } catch (RemoteException e) {
6421            // Ignore
6422        }
6423    }
6424
6425    void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
6426        try {
6427            //set orientation on WindowManager
6428            mWindowManager.updateRotation(alwaysSendConfiguration, forceRelayout);
6429        } catch (RemoteException e) {
6430            // Ignore
6431        }
6432    }
6433
6434    /**
6435     * Return an Intent to launch the currently active dock app as home.  Returns
6436     * null if the standard home should be launched, which is the case if any of the following is
6437     * true:
6438     * <ul>
6439     *  <li>The device is not in either car mode or desk mode
6440     *  <li>The device is in car mode but mEnableCarDockHomeCapture is false
6441     *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
6442     *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
6443     *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
6444     * </ul>
6445     * @return A dock intent.
6446     */
6447    Intent createHomeDockIntent() {
6448        Intent intent = null;
6449
6450        // What home does is based on the mode, not the dock state.  That
6451        // is, when in car mode you should be taken to car home regardless
6452        // of whether we are actually in a car dock.
6453        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
6454            if (mEnableCarDockHomeCapture) {
6455                intent = mCarDockIntent;
6456            }
6457        } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
6458            if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
6459                intent = mDeskDockIntent;
6460            }
6461        } else if (mUiMode == Configuration.UI_MODE_TYPE_WATCH
6462                && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
6463                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK
6464                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK)) {
6465            // Always launch dock home from home when watch is docked, if it exists.
6466            intent = mDeskDockIntent;
6467        }
6468
6469        if (intent == null) {
6470            return null;
6471        }
6472
6473        ActivityInfo ai = null;
6474        ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(
6475                intent,
6476                PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_META_DATA,
6477                mCurrentUserId);
6478        if (info != null) {
6479            ai = info.activityInfo;
6480        }
6481        if (ai != null
6482                && ai.metaData != null
6483                && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
6484            intent = new Intent(intent);
6485            intent.setClassName(ai.packageName, ai.name);
6486            return intent;
6487        }
6488
6489        return null;
6490    }
6491
6492    void startDockOrHome(boolean fromHomeKey, boolean awakenFromDreams) {
6493        if (awakenFromDreams) {
6494            awakenDreams();
6495        }
6496
6497        Intent dock = createHomeDockIntent();
6498        if (dock != null) {
6499            try {
6500                if (fromHomeKey) {
6501                    dock.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
6502                }
6503                startActivityAsUser(dock, UserHandle.CURRENT);
6504                return;
6505            } catch (ActivityNotFoundException e) {
6506            }
6507        }
6508
6509        Intent intent;
6510
6511        if (fromHomeKey) {
6512            intent = new Intent(mHomeIntent);
6513            intent.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
6514        } else {
6515            intent = mHomeIntent;
6516        }
6517
6518        startActivityAsUser(intent, UserHandle.CURRENT);
6519    }
6520
6521    /**
6522     * goes to the home screen
6523     * @return whether it did anything
6524     */
6525    boolean goHome() {
6526        if (!isUserSetupComplete()) {
6527            Slog.i(TAG, "Not going home because user setup is in progress.");
6528            return false;
6529        }
6530        if (false) {
6531            // This code always brings home to the front.
6532            try {
6533                ActivityManagerNative.getDefault().stopAppSwitches();
6534            } catch (RemoteException e) {
6535            }
6536            sendCloseSystemWindows();
6537            startDockOrHome(false /*fromHomeKey*/, true /* awakenFromDreams */);
6538        } else {
6539            // This code brings home to the front or, if it is already
6540            // at the front, puts the device to sleep.
6541            try {
6542                if (SystemProperties.getInt("persist.sys.uts-test-mode", 0) == 1) {
6543                    /// Roll back EndcallBehavior as the cupcake design to pass P1 lab entry.
6544                    Log.d(TAG, "UTS-TEST-MODE");
6545                } else {
6546                    ActivityManagerNative.getDefault().stopAppSwitches();
6547                    sendCloseSystemWindows();
6548                    Intent dock = createHomeDockIntent();
6549                    if (dock != null) {
6550                        int result = ActivityManagerNative.getDefault()
6551                                .startActivityAsUser(null, null, dock,
6552                                        dock.resolveTypeIfNeeded(mContext.getContentResolver()),
6553                                        null, null, 0,
6554                                        ActivityManager.START_FLAG_ONLY_IF_NEEDED,
6555                                        null, null, UserHandle.USER_CURRENT);
6556                        if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
6557                            return false;
6558                        }
6559                    }
6560                }
6561                int result = ActivityManagerNative.getDefault()
6562                        .startActivityAsUser(null, null, mHomeIntent,
6563                                mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
6564                                null, null, 0,
6565                                ActivityManager.START_FLAG_ONLY_IF_NEEDED,
6566                                null, null, UserHandle.USER_CURRENT);
6567                if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
6568                    return false;
6569                }
6570            } catch (RemoteException ex) {
6571                // bummer, the activity manager, which is in this process, is dead
6572            }
6573        }
6574        return true;
6575    }
6576
6577    @Override
6578    public void setCurrentOrientationLw(int newOrientation) {
6579        synchronized (mLock) {
6580            if (newOrientation != mCurrentAppOrientation) {
6581                mCurrentAppOrientation = newOrientation;
6582                updateOrientationListenerLp();
6583            }
6584        }
6585    }
6586
6587    private void performAuditoryFeedbackForAccessibilityIfNeed() {
6588        if (!isGlobalAccessibilityGestureEnabled()) {
6589            return;
6590        }
6591        AudioManager audioManager = (AudioManager) mContext.getSystemService(
6592                Context.AUDIO_SERVICE);
6593        if (audioManager.isSilentMode()) {
6594            return;
6595        }
6596        Ringtone ringTone = RingtoneManager.getRingtone(mContext,
6597                Settings.System.DEFAULT_NOTIFICATION_URI);
6598        ringTone.setStreamType(AudioManager.STREAM_MUSIC);
6599        ringTone.play();
6600    }
6601
6602    private boolean isTheaterModeEnabled() {
6603        return Settings.Global.getInt(mContext.getContentResolver(),
6604                Settings.Global.THEATER_MODE_ON, 0) == 1;
6605    }
6606
6607    private boolean isGlobalAccessibilityGestureEnabled() {
6608        return Settings.Global.getInt(mContext.getContentResolver(),
6609                Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED, 0) == 1;
6610    }
6611
6612    @Override
6613    public boolean performHapticFeedbackLw(WindowState win, int effectId, boolean always) {
6614        if (!mVibrator.hasVibrator()) {
6615            return false;
6616        }
6617        final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(),
6618                Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0;
6619        if (hapticsDisabled && !always) {
6620            return false;
6621        }
6622        long[] pattern = null;
6623        switch (effectId) {
6624            case HapticFeedbackConstants.LONG_PRESS:
6625                pattern = mLongPressVibePattern;
6626                break;
6627            case HapticFeedbackConstants.VIRTUAL_KEY:
6628                pattern = mVirtualKeyVibePattern;
6629                break;
6630            case HapticFeedbackConstants.KEYBOARD_TAP:
6631                pattern = mKeyboardTapVibePattern;
6632                break;
6633            case HapticFeedbackConstants.CLOCK_TICK:
6634                pattern = mClockTickVibePattern;
6635                break;
6636            case HapticFeedbackConstants.CALENDAR_DATE:
6637                pattern = mCalendarDateVibePattern;
6638                break;
6639            case HapticFeedbackConstants.SAFE_MODE_DISABLED:
6640                pattern = mSafeModeDisabledVibePattern;
6641                break;
6642            case HapticFeedbackConstants.SAFE_MODE_ENABLED:
6643                pattern = mSafeModeEnabledVibePattern;
6644                break;
6645            case HapticFeedbackConstants.CONTEXT_CLICK:
6646                pattern = mContextClickVibePattern;
6647                break;
6648            default:
6649                return false;
6650        }
6651        int owningUid;
6652        String owningPackage;
6653        if (win != null) {
6654            owningUid = win.getOwningUid();
6655            owningPackage = win.getOwningPackage();
6656        } else {
6657            owningUid = android.os.Process.myUid();
6658            owningPackage = mContext.getOpPackageName();
6659        }
6660        if (pattern.length == 1) {
6661            // One-shot vibration
6662            mVibrator.vibrate(owningUid, owningPackage, pattern[0], VIBRATION_ATTRIBUTES);
6663        } else {
6664            // Pattern vibration
6665            mVibrator.vibrate(owningUid, owningPackage, pattern, -1, VIBRATION_ATTRIBUTES);
6666        }
6667        return true;
6668    }
6669
6670    @Override
6671    public void keepScreenOnStartedLw() {
6672    }
6673
6674    @Override
6675    public void keepScreenOnStoppedLw() {
6676        if (isKeyguardShowingAndNotOccluded()) {
6677            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
6678        }
6679    }
6680
6681    private int updateSystemUiVisibilityLw() {
6682        // If there is no window focused, there will be nobody to handle the events
6683        // anyway, so just hang on in whatever state we're in until things settle down.
6684        final WindowState win = mFocusedWindow != null ? mFocusedWindow
6685                : mTopFullscreenOpaqueWindowState;
6686        if (win == null) {
6687            return 0;
6688        }
6689        if ((win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 && mHideLockScreen == true) {
6690            // We are updating at a point where the keyguard has gotten
6691            // focus, but we were last in a state where the top window is
6692            // hiding it.  This is probably because the keyguard as been
6693            // shown while the top window was displayed, so we want to ignore
6694            // it here because this is just a very transient change and it
6695            // will quickly lose focus once it correctly gets hidden.
6696            return 0;
6697        }
6698
6699        int tmpVisibility = PolicyControl.getSystemUiVisibility(win, null)
6700                & ~mResettingSystemUiFlags
6701                & ~mForceClearedSystemUiFlags;
6702        if (mForcingShowNavBar && win.getSurfaceLayer() < mForcingShowNavBarLayer) {
6703            tmpVisibility &= ~PolicyControl.adjustClearableFlags(win, View.SYSTEM_UI_CLEARABLE_FLAGS);
6704        }
6705
6706        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
6707            tmpVisibility |= StatusBarManager.DISABLE_RECENT;
6708        }
6709
6710        tmpVisibility = updateLightStatusBarLw(tmpVisibility);
6711        final int visibility = updateSystemBarsLw(win, mLastSystemUiFlags, tmpVisibility);
6712        final int diff = visibility ^ mLastSystemUiFlags;
6713        final boolean needsMenu = win.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
6714        if (diff == 0 && mLastFocusNeedsMenu == needsMenu
6715                && mFocusedApp == win.getAppToken()) {
6716            return 0;
6717        }
6718        mLastSystemUiFlags = visibility;
6719        mLastFocusNeedsMenu = needsMenu;
6720        mFocusedApp = win.getAppToken();
6721        mHandler.post(new Runnable() {
6722                @Override
6723                public void run() {
6724                    try {
6725                        IStatusBarService statusbar = getStatusBarService();
6726                        if (statusbar != null) {
6727                            statusbar.setSystemUiVisibility(visibility, 0xffffffff, win.toString());
6728                            statusbar.topAppWindowChanged(needsMenu);
6729                        }
6730                    } catch (RemoteException e) {
6731                        // re-acquire status bar service next time it is needed.
6732                        mStatusBarService = null;
6733                    }
6734                }
6735            });
6736        return diff;
6737    }
6738
6739    private int updateLightStatusBarLw(int vis) {
6740        WindowState statusColorWin = isStatusBarKeyguard() && !mHideLockScreen
6741                ? mStatusBar
6742                : mTopFullscreenOpaqueOrDimmingWindowState;
6743
6744        if (statusColorWin != null) {
6745            if (statusColorWin == mTopFullscreenOpaqueWindowState) {
6746                // If the top fullscreen-or-dimming window is also the top fullscreen, respect
6747                // its light flag.
6748                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6749                vis |= PolicyControl.getSystemUiVisibility(statusColorWin, null)
6750                        & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6751            } else if (statusColorWin != null && statusColorWin.isDimming()) {
6752                // Otherwise if it's dimming, clear the light flag.
6753                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6754            }
6755        }
6756        return vis;
6757    }
6758
6759    private int updateSystemBarsLw(WindowState win, int oldVis, int vis) {
6760        final boolean dockedStackVisible = mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID);
6761        final boolean freeformStackVisible =
6762                mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID);
6763        final boolean forceShowSystemBars = dockedStackVisible || freeformStackVisible;
6764        final boolean forceOpaqueSystemBars = forceShowSystemBars && !mForceStatusBarFromKeyguard;
6765
6766        // apply translucent bar vis flags
6767        WindowState transWin = isStatusBarKeyguard() && !mHideLockScreen
6768                ? mStatusBar
6769                : mTopFullscreenOpaqueWindowState;
6770        vis = mStatusBarController.applyTranslucentFlagLw(transWin, vis, oldVis);
6771        vis = mNavigationBarController.applyTranslucentFlagLw(transWin, vis, oldVis);
6772
6773        // prevent status bar interaction from clearing certain flags
6774        int type = win.getAttrs().type;
6775        boolean statusBarHasFocus = type == TYPE_STATUS_BAR;
6776        if (statusBarHasFocus && !isStatusBarKeyguard()) {
6777            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
6778                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
6779                    | View.SYSTEM_UI_FLAG_IMMERSIVE
6780                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
6781                    | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6782            if (mHideLockScreen) {
6783                flags |= View.STATUS_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSLUCENT;
6784            }
6785            vis = (vis & ~flags) | (oldVis & flags);
6786        }
6787
6788        if ((!areTranslucentBarsAllowed() && transWin != mStatusBar)
6789                || forceOpaqueSystemBars) {
6790            vis &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSLUCENT
6791                    | View.SYSTEM_UI_TRANSPARENT);
6792        }
6793
6794        if (mForceWindowDrawsStatusBarBackground) {
6795            vis |= View.STATUS_BAR_TRANSPARENT;
6796            vis &= ~View.STATUS_BAR_TRANSLUCENT;
6797        }
6798
6799        // update status bar
6800        boolean immersiveSticky =
6801                (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
6802        final boolean hideStatusBarWM =
6803                mTopFullscreenOpaqueWindowState != null
6804                && (PolicyControl.getWindowFlags(mTopFullscreenOpaqueWindowState, null)
6805                        & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0;
6806        final boolean hideStatusBarSysui =
6807                (vis & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
6808        final boolean hideNavBarSysui =
6809                (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0;
6810
6811        final boolean transientStatusBarAllowed = mStatusBar != null
6812                && (statusBarHasFocus || (!forceShowSystemBars
6813                        && (hideStatusBarWM || (hideStatusBarSysui && immersiveSticky))));
6814
6815        final boolean transientNavBarAllowed = mNavigationBar != null
6816                && !forceShowSystemBars && hideNavBarSysui && immersiveSticky;
6817
6818        final long now = SystemClock.uptimeMillis();
6819        final boolean pendingPanic = mPendingPanicGestureUptime != 0
6820                && now - mPendingPanicGestureUptime <= PANIC_GESTURE_EXPIRATION;
6821        if (pendingPanic && hideNavBarSysui && !isStatusBarKeyguard() && mKeyguardDrawComplete) {
6822            // The user performed the panic gesture recently, we're about to hide the bars,
6823            // we're no longer on the Keyguard and the screen is ready. We can now request the bars.
6824            mPendingPanicGestureUptime = 0;
6825            mStatusBarController.showTransient();
6826            mNavigationBarController.showTransient();
6827        }
6828
6829        final boolean denyTransientStatus = mStatusBarController.isTransientShowRequested()
6830                && !transientStatusBarAllowed && hideStatusBarSysui;
6831        final boolean denyTransientNav = mNavigationBarController.isTransientShowRequested()
6832                && !transientNavBarAllowed;
6833        if (denyTransientStatus || denyTransientNav || forceShowSystemBars) {
6834            // clear the clearable flags instead
6835            clearClearableFlagsLw();
6836            vis &= ~View.SYSTEM_UI_CLEARABLE_FLAGS;
6837        }
6838
6839        final boolean immersive = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
6840        immersiveSticky = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
6841        final boolean navAllowedHidden = immersive || immersiveSticky;
6842
6843        if (hideNavBarSysui && !navAllowedHidden && windowTypeToLayerLw(win.getBaseType())
6844                > windowTypeToLayerLw(TYPE_INPUT_CONSUMER)) {
6845            // We can't hide the navbar from this window otherwise the input consumer would not get
6846            // the input events.
6847            vis = (vis & ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
6848        }
6849
6850        vis = mStatusBarController.updateVisibilityLw(transientStatusBarAllowed, oldVis, vis);
6851
6852        // update navigation bar
6853        boolean oldImmersiveMode = isImmersiveMode(oldVis);
6854        boolean newImmersiveMode = isImmersiveMode(vis);
6855        if (win != null && oldImmersiveMode != newImmersiveMode) {
6856            final String pkg = win.getOwningPackage();
6857            mImmersiveModeConfirmation.immersiveModeChanged(pkg, newImmersiveMode,
6858                    isUserSetupComplete());
6859        }
6860
6861        vis = mNavigationBarController.updateVisibilityLw(transientNavBarAllowed, oldVis, vis);
6862
6863        return vis;
6864    }
6865
6866    private void clearClearableFlagsLw() {
6867        int newVal = mResettingSystemUiFlags | View.SYSTEM_UI_CLEARABLE_FLAGS;
6868        if (newVal != mResettingSystemUiFlags) {
6869            mResettingSystemUiFlags = newVal;
6870            mWindowManagerFuncs.reevaluateStatusBarVisibility();
6871        }
6872    }
6873
6874    private boolean isImmersiveMode(int vis) {
6875        final int flags = View.SYSTEM_UI_FLAG_IMMERSIVE | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
6876        return mNavigationBar != null
6877                && (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
6878                && (vis & flags) != 0
6879                && canHideNavigationBar();
6880    }
6881
6882    /**
6883     * @return whether the navigation or status bar can be made translucent
6884     *
6885     * This should return true unless touch exploration is not enabled or
6886     * R.boolean.config_enableTranslucentDecor is false.
6887     */
6888    private boolean areTranslucentBarsAllowed() {
6889        return mTranslucentDecorEnabled;
6890    }
6891
6892    // Use this instead of checking config_showNavigationBar so that it can be consistently
6893    // overridden by qemu.hw.mainkeys in the emulator.
6894    @Override
6895    public boolean hasNavigationBar() {
6896        return mHasNavigationBar;
6897    }
6898
6899    @Override
6900    public void setLastInputMethodWindowLw(WindowState ime, WindowState target) {
6901        mLastInputMethodWindow = ime;
6902        mLastInputMethodTargetWindow = target;
6903    }
6904
6905    @Override
6906    public int getInputMethodWindowVisibleHeightLw() {
6907        return mDockBottom - mCurBottom;
6908    }
6909
6910    @Override
6911    public void setCurrentUserLw(int newUserId) {
6912        mCurrentUserId = newUserId;
6913        if (mKeyguardDelegate != null) {
6914            mKeyguardDelegate.setCurrentUser(newUserId);
6915        }
6916        if (mStatusBarService != null) {
6917            try {
6918                mStatusBarService.setCurrentUser(newUserId);
6919            } catch (RemoteException e) {
6920                // oh well
6921            }
6922        }
6923        setLastInputMethodWindowLw(null, null);
6924    }
6925
6926    @Override
6927    public boolean canMagnifyWindow(int windowType) {
6928        switch (windowType) {
6929            case WindowManager.LayoutParams.TYPE_INPUT_METHOD:
6930            case WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG:
6931            case WindowManager.LayoutParams.TYPE_NAVIGATION_BAR:
6932            case WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY: {
6933                return false;
6934            }
6935        }
6936        return true;
6937    }
6938
6939    @Override
6940    public boolean isTopLevelWindow(int windowType) {
6941        if (windowType >= WindowManager.LayoutParams.FIRST_SUB_WINDOW
6942                && windowType <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
6943            return (windowType == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG);
6944        }
6945        return true;
6946    }
6947
6948    @Override
6949    public void dump(String prefix, PrintWriter pw, String[] args) {
6950        pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
6951                pw.print(" mSystemReady="); pw.print(mSystemReady);
6952                pw.print(" mSystemBooted="); pw.println(mSystemBooted);
6953        pw.print(prefix); pw.print("mLidState="); pw.print(mLidState);
6954                pw.print(" mLidOpenRotation="); pw.print(mLidOpenRotation);
6955                pw.print(" mCameraLensCoverState="); pw.print(mCameraLensCoverState);
6956                pw.print(" mHdmiPlugged="); pw.println(mHdmiPlugged);
6957        if (mLastSystemUiFlags != 0 || mResettingSystemUiFlags != 0
6958                || mForceClearedSystemUiFlags != 0) {
6959            pw.print(prefix); pw.print("mLastSystemUiFlags=0x");
6960                    pw.print(Integer.toHexString(mLastSystemUiFlags));
6961                    pw.print(" mResettingSystemUiFlags=0x");
6962                    pw.print(Integer.toHexString(mResettingSystemUiFlags));
6963                    pw.print(" mForceClearedSystemUiFlags=0x");
6964                    pw.println(Integer.toHexString(mForceClearedSystemUiFlags));
6965        }
6966        if (mLastFocusNeedsMenu) {
6967            pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
6968                    pw.println(mLastFocusNeedsMenu);
6969        }
6970        pw.print(prefix); pw.print("mWakeGestureEnabledSetting=");
6971                pw.println(mWakeGestureEnabledSetting);
6972
6973        pw.print(prefix); pw.print("mSupportAutoRotation="); pw.println(mSupportAutoRotation);
6974        pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
6975                pw.print(" mDockMode="); pw.print(mDockMode);
6976                pw.print(" mEnableCarDockHomeCapture="); pw.print(mEnableCarDockHomeCapture);
6977                pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
6978                pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
6979        pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);
6980                pw.print(" mUserRotation="); pw.print(mUserRotation);
6981                pw.print(" mAllowAllRotations="); pw.println(mAllowAllRotations);
6982        pw.print(prefix); pw.print("mCurrentAppOrientation="); pw.println(mCurrentAppOrientation);
6983        pw.print(prefix); pw.print("mCarDockEnablesAccelerometer=");
6984                pw.print(mCarDockEnablesAccelerometer);
6985                pw.print(" mDeskDockEnablesAccelerometer=");
6986                pw.println(mDeskDockEnablesAccelerometer);
6987        pw.print(prefix); pw.print("mLidKeyboardAccessibility=");
6988                pw.print(mLidKeyboardAccessibility);
6989                pw.print(" mLidNavigationAccessibility="); pw.print(mLidNavigationAccessibility);
6990                pw.print(" mLidControlsScreenLock="); pw.println(mLidControlsScreenLock);
6991                pw.print(" mLidControlsSleep="); pw.println(mLidControlsSleep);
6992        pw.print(prefix);
6993                pw.print("mShortPressOnPowerBehavior="); pw.print(mShortPressOnPowerBehavior);
6994                pw.print(" mLongPressOnPowerBehavior="); pw.println(mLongPressOnPowerBehavior);
6995        pw.print(prefix);
6996                pw.print("mDoublePressOnPowerBehavior="); pw.print(mDoublePressOnPowerBehavior);
6997                pw.print(" mTriplePressOnPowerBehavior="); pw.println(mTriplePressOnPowerBehavior);
6998        pw.print(prefix); pw.print("mHasSoftInput="); pw.println(mHasSoftInput);
6999        pw.print(prefix); pw.print("mAwake="); pw.println(mAwake);
7000        pw.print(prefix); pw.print("mScreenOnEarly="); pw.print(mScreenOnEarly);
7001                pw.print(" mScreenOnFully="); pw.println(mScreenOnFully);
7002        pw.print(prefix); pw.print("mKeyguardDrawComplete="); pw.print(mKeyguardDrawComplete);
7003                pw.print(" mWindowManagerDrawComplete="); pw.println(mWindowManagerDrawComplete);
7004        pw.print(prefix); pw.print("mOrientationSensorEnabled=");
7005                pw.println(mOrientationSensorEnabled);
7006        pw.print(prefix); pw.print("mOverscanScreen=("); pw.print(mOverscanScreenLeft);
7007                pw.print(","); pw.print(mOverscanScreenTop);
7008                pw.print(") "); pw.print(mOverscanScreenWidth);
7009                pw.print("x"); pw.println(mOverscanScreenHeight);
7010        if (mOverscanLeft != 0 || mOverscanTop != 0
7011                || mOverscanRight != 0 || mOverscanBottom != 0) {
7012            pw.print(prefix); pw.print("mOverscan left="); pw.print(mOverscanLeft);
7013                    pw.print(" top="); pw.print(mOverscanTop);
7014                    pw.print(" right="); pw.print(mOverscanRight);
7015                    pw.print(" bottom="); pw.println(mOverscanBottom);
7016        }
7017        pw.print(prefix); pw.print("mRestrictedOverscanScreen=(");
7018                pw.print(mRestrictedOverscanScreenLeft);
7019                pw.print(","); pw.print(mRestrictedOverscanScreenTop);
7020                pw.print(") "); pw.print(mRestrictedOverscanScreenWidth);
7021                pw.print("x"); pw.println(mRestrictedOverscanScreenHeight);
7022        pw.print(prefix); pw.print("mUnrestrictedScreen=("); pw.print(mUnrestrictedScreenLeft);
7023                pw.print(","); pw.print(mUnrestrictedScreenTop);
7024                pw.print(") "); pw.print(mUnrestrictedScreenWidth);
7025                pw.print("x"); pw.println(mUnrestrictedScreenHeight);
7026        pw.print(prefix); pw.print("mRestrictedScreen=("); pw.print(mRestrictedScreenLeft);
7027                pw.print(","); pw.print(mRestrictedScreenTop);
7028                pw.print(") "); pw.print(mRestrictedScreenWidth);
7029                pw.print("x"); pw.println(mRestrictedScreenHeight);
7030        pw.print(prefix); pw.print("mStableFullscreen=("); pw.print(mStableFullscreenLeft);
7031                pw.print(","); pw.print(mStableFullscreenTop);
7032                pw.print(")-("); pw.print(mStableFullscreenRight);
7033                pw.print(","); pw.print(mStableFullscreenBottom); pw.println(")");
7034        pw.print(prefix); pw.print("mStable=("); pw.print(mStableLeft);
7035                pw.print(","); pw.print(mStableTop);
7036                pw.print(")-("); pw.print(mStableRight);
7037                pw.print(","); pw.print(mStableBottom); pw.println(")");
7038        pw.print(prefix); pw.print("mSystem=("); pw.print(mSystemLeft);
7039                pw.print(","); pw.print(mSystemTop);
7040                pw.print(")-("); pw.print(mSystemRight);
7041                pw.print(","); pw.print(mSystemBottom); pw.println(")");
7042        pw.print(prefix); pw.print("mCur=("); pw.print(mCurLeft);
7043                pw.print(","); pw.print(mCurTop);
7044                pw.print(")-("); pw.print(mCurRight);
7045                pw.print(","); pw.print(mCurBottom); pw.println(")");
7046        pw.print(prefix); pw.print("mContent=("); pw.print(mContentLeft);
7047                pw.print(","); pw.print(mContentTop);
7048                pw.print(")-("); pw.print(mContentRight);
7049                pw.print(","); pw.print(mContentBottom); pw.println(")");
7050        pw.print(prefix); pw.print("mVoiceContent=("); pw.print(mVoiceContentLeft);
7051                pw.print(","); pw.print(mVoiceContentTop);
7052                pw.print(")-("); pw.print(mVoiceContentRight);
7053                pw.print(","); pw.print(mVoiceContentBottom); pw.println(")");
7054        pw.print(prefix); pw.print("mDock=("); pw.print(mDockLeft);
7055                pw.print(","); pw.print(mDockTop);
7056                pw.print(")-("); pw.print(mDockRight);
7057                pw.print(","); pw.print(mDockBottom); pw.println(")");
7058        pw.print(prefix); pw.print("mDockLayer="); pw.print(mDockLayer);
7059                pw.print(" mStatusBarLayer="); pw.println(mStatusBarLayer);
7060        pw.print(prefix); pw.print("mShowingLockscreen="); pw.print(mShowingLockscreen);
7061                pw.print(" mShowingDream="); pw.print(mShowingDream);
7062                pw.print(" mDreamingLockscreen="); pw.print(mDreamingLockscreen);
7063                pw.print(" mDreamingSleepToken="); pw.println(mDreamingSleepToken);
7064        if (mLastInputMethodWindow != null) {
7065            pw.print(prefix); pw.print("mLastInputMethodWindow=");
7066                    pw.println(mLastInputMethodWindow);
7067        }
7068        if (mLastInputMethodTargetWindow != null) {
7069            pw.print(prefix); pw.print("mLastInputMethodTargetWindow=");
7070                    pw.println(mLastInputMethodTargetWindow);
7071        }
7072        if (mStatusBar != null) {
7073            pw.print(prefix); pw.print("mStatusBar=");
7074                    pw.print(mStatusBar); pw.print(" isStatusBarKeyguard=");
7075                    pw.println(isStatusBarKeyguard());
7076        }
7077        if (mNavigationBar != null) {
7078            pw.print(prefix); pw.print("mNavigationBar=");
7079                    pw.println(mNavigationBar);
7080        }
7081        if (mFocusedWindow != null) {
7082            pw.print(prefix); pw.print("mFocusedWindow=");
7083                    pw.println(mFocusedWindow);
7084        }
7085        if (mFocusedApp != null) {
7086            pw.print(prefix); pw.print("mFocusedApp=");
7087                    pw.println(mFocusedApp);
7088        }
7089        if (mWinDismissingKeyguard != null) {
7090            pw.print(prefix); pw.print("mWinDismissingKeyguard=");
7091                    pw.println(mWinDismissingKeyguard);
7092        }
7093        if (mTopFullscreenOpaqueWindowState != null) {
7094            pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
7095                    pw.println(mTopFullscreenOpaqueWindowState);
7096        }
7097        if (mTopFullscreenOpaqueOrDimmingWindowState != null) {
7098            pw.print(prefix); pw.print("mTopFullscreenOpaqueOrDimmingWindowState=");
7099                    pw.println(mTopFullscreenOpaqueOrDimmingWindowState);
7100        }
7101        if (mForcingShowNavBar) {
7102            pw.print(prefix); pw.print("mForcingShowNavBar=");
7103                    pw.println(mForcingShowNavBar); pw.print( "mForcingShowNavBarLayer=");
7104                    pw.println(mForcingShowNavBarLayer);
7105        }
7106        pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
7107                pw.print(" mHideLockScreen="); pw.println(mHideLockScreen);
7108        pw.print(prefix); pw.print("mForceStatusBar="); pw.print(mForceStatusBar);
7109                pw.print(" mForceStatusBarFromKeyguard=");
7110                pw.println(mForceStatusBarFromKeyguard);
7111        pw.print(prefix); pw.print("mDismissKeyguard="); pw.print(mDismissKeyguard);
7112                pw.print(" mWinDismissingKeyguard="); pw.print(mWinDismissingKeyguard);
7113                pw.print(" mHomePressed="); pw.println(mHomePressed);
7114        pw.print(prefix); pw.print("mAllowLockscreenWhenOn="); pw.print(mAllowLockscreenWhenOn);
7115                pw.print(" mLockScreenTimeout="); pw.print(mLockScreenTimeout);
7116                pw.print(" mLockScreenTimerActive="); pw.println(mLockScreenTimerActive);
7117        pw.print(prefix); pw.print("mEndcallBehavior="); pw.print(mEndcallBehavior);
7118                pw.print(" mIncallPowerBehavior="); pw.print(mIncallPowerBehavior);
7119                pw.print(" mLongPressOnHomeBehavior="); pw.println(mLongPressOnHomeBehavior);
7120        pw.print(prefix); pw.print("mLandscapeRotation="); pw.print(mLandscapeRotation);
7121                pw.print(" mSeascapeRotation="); pw.println(mSeascapeRotation);
7122        pw.print(prefix); pw.print("mPortraitRotation="); pw.print(mPortraitRotation);
7123                pw.print(" mUpsideDownRotation="); pw.println(mUpsideDownRotation);
7124        pw.print(prefix); pw.print("mDemoHdmiRotation="); pw.print(mDemoHdmiRotation);
7125                pw.print(" mDemoHdmiRotationLock="); pw.println(mDemoHdmiRotationLock);
7126        pw.print(prefix); pw.print("mUndockedHdmiRotation="); pw.println(mUndockedHdmiRotation);
7127
7128        mGlobalKeyManager.dump(prefix, pw);
7129        mStatusBarController.dump(pw, prefix);
7130        mNavigationBarController.dump(pw, prefix);
7131        PolicyControl.dump(prefix, pw);
7132
7133        if (mWakeGestureListener != null) {
7134            mWakeGestureListener.dump(pw, prefix);
7135        }
7136        if (mOrientationListener != null) {
7137            mOrientationListener.dump(pw, prefix);
7138        }
7139        if (mBurnInProtectionHelper != null) {
7140            mBurnInProtectionHelper.dump(prefix, pw);
7141        }
7142        if (mKeyguardDelegate != null) {
7143            mKeyguardDelegate.dump(prefix, pw);
7144        }
7145    }
7146}
7147