PhoneWindowManager.java revision 83dd955e52a9f5c461640c37e5535839efaa56e0 
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.server.policy;
18
19import android.app.ActivityManager;
20import android.app.ActivityManagerInternal;
21import android.app.ActivityManagerInternal.SleepToken;
22import android.app.ActivityManagerNative;
23import android.app.AppOpsManager;
24import android.app.IUiModeManager;
25import android.app.ProgressDialog;
26import android.app.SearchManager;
27import android.app.StatusBarManager;
28import android.app.UiModeManager;
29import android.content.ActivityNotFoundException;
30import android.content.BroadcastReceiver;
31import android.content.ComponentName;
32import android.content.ContentResolver;
33import android.content.Context;
34import android.content.Intent;
35import android.content.IntentFilter;
36import android.content.ServiceConnection;
37import android.content.pm.ActivityInfo;
38import android.content.pm.PackageManager;
39import android.content.pm.ResolveInfo;
40import android.content.res.CompatibilityInfo;
41import android.content.res.Configuration;
42import android.content.res.Resources;
43import android.content.res.TypedArray;
44import android.database.ContentObserver;
45import android.graphics.PixelFormat;
46import android.graphics.Rect;
47import android.hardware.hdmi.HdmiControlManager;
48import android.hardware.hdmi.HdmiPlaybackClient;
49import android.hardware.hdmi.HdmiPlaybackClient.OneTouchPlayCallback;
50import android.media.AudioAttributes;
51import android.media.AudioManager;
52import android.media.AudioSystem;
53import android.media.IAudioService;
54import android.media.Ringtone;
55import android.media.RingtoneManager;
56import android.media.session.MediaSessionLegacyHelper;
57import android.os.Binder;
58import android.os.Bundle;
59import android.os.Debug;
60import android.os.FactoryTest;
61import android.os.Handler;
62import android.os.IBinder;
63import android.os.IDeviceIdleController;
64import android.os.Looper;
65import android.os.Message;
66import android.os.Messenger;
67import android.os.PowerManager;
68import android.os.PowerManagerInternal;
69import android.os.Process;
70import android.os.RemoteException;
71import android.os.ServiceManager;
72import android.os.SystemClock;
73import android.os.SystemProperties;
74import android.os.UEventObserver;
75import android.os.UserHandle;
76import android.os.Vibrator;
77import android.provider.MediaStore;
78import android.provider.Settings;
79import android.service.dreams.DreamManagerInternal;
80import android.service.dreams.DreamService;
81import android.service.dreams.IDreamManager;
82import android.speech.RecognizerIntent;
83import android.telecom.TelecomManager;
84import android.util.DisplayMetrics;
85import android.util.EventLog;
86import android.util.Log;
87import android.util.Slog;
88import android.util.SparseArray;
89import android.view.Display;
90import android.view.Gravity;
91import android.view.HapticFeedbackConstants;
92import android.view.IApplicationToken;
93import android.view.IWindowManager;
94import android.view.InputChannel;
95import android.view.InputDevice;
96import android.view.InputEvent;
97import android.view.InputEventReceiver;
98import android.view.KeyCharacterMap;
99import android.view.KeyCharacterMap.FallbackAction;
100import android.view.KeyEvent;
101import android.view.MotionEvent;
102
103import com.android.internal.logging.MetricsLogger;
104import com.android.internal.policy.PhoneWindow;
105import android.view.Surface;
106import android.view.View;
107import android.view.ViewConfiguration;
108import android.view.WindowManager;
109import android.view.WindowManagerGlobal;
110import android.view.WindowManagerInternal;
111import android.view.WindowManagerPolicy;
112import android.view.accessibility.AccessibilityEvent;
113import android.view.accessibility.AccessibilityManager;
114import android.view.animation.Animation;
115import android.view.animation.AnimationSet;
116import android.view.animation.AnimationUtils;
117import com.android.internal.R;
118import com.android.internal.statusbar.IStatusBarService;
119import com.android.internal.util.ScreenShapeHelper;
120import com.android.internal.widget.PointerLocationView;
121import com.android.server.GestureLauncherService;
122import com.android.server.LocalServices;
123import com.android.server.policy.keyguard.KeyguardServiceDelegate;
124import com.android.server.policy.keyguard.KeyguardServiceDelegate.DrawnListener;
125
126import java.io.File;
127import java.io.FileReader;
128import java.io.IOException;
129import java.io.PrintWriter;
130import java.util.HashSet;
131import java.util.List;
132
133import static android.view.WindowManager.LayoutParams.*;
134import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_ABSENT;
135import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_OPEN;
136import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_CLOSED;
137import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVER_ABSENT;
138import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_UNCOVERED;
139import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVERED;
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; still useful in car docks.
162    static final boolean ENABLE_CAR_DOCK_HOME_CAPTURE = true;
163    static final boolean ENABLE_DESK_DOCK_HOME_CAPTURE = false;
164
165    static final int SHORT_PRESS_POWER_NOTHING = 0;
166    static final int SHORT_PRESS_POWER_GO_TO_SLEEP = 1;
167    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP = 2;
168    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME = 3;
169    static final int SHORT_PRESS_POWER_GO_HOME = 4;
170
171    static final int LONG_PRESS_POWER_NOTHING = 0;
172    static final int LONG_PRESS_POWER_GLOBAL_ACTIONS = 1;
173    static final int LONG_PRESS_POWER_SHUT_OFF = 2;
174    static final int LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM = 3;
175
176    static final int MULTI_PRESS_POWER_NOTHING = 0;
177    static final int MULTI_PRESS_POWER_THEATER_MODE = 1;
178    static final int MULTI_PRESS_POWER_BRIGHTNESS_BOOST = 2;
179
180    // These need to match the documentation/constant in
181    // core/res/res/values/config.xml
182    static final int LONG_PRESS_HOME_NOTHING = 0;
183    static final int LONG_PRESS_HOME_RECENT_SYSTEM_UI = 1;
184    static final int LONG_PRESS_HOME_ASSIST = 2;
185
186    static final int DOUBLE_TAP_HOME_NOTHING = 0;
187    static final int DOUBLE_TAP_HOME_RECENT_SYSTEM_UI = 1;
188
189    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP = 0;
190    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME = 1;
191
192    static final int APPLICATION_MEDIA_SUBLAYER = -2;
193    static final int APPLICATION_MEDIA_OVERLAY_SUBLAYER = -1;
194    static final int APPLICATION_PANEL_SUBLAYER = 1;
195    static final int APPLICATION_SUB_PANEL_SUBLAYER = 2;
196    static final int APPLICATION_ABOVE_SUB_PANEL_SUBLAYER = 3;
197
198    static public final String SYSTEM_DIALOG_REASON_KEY = "reason";
199    static public final String SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS = "globalactions";
200    static public final String SYSTEM_DIALOG_REASON_RECENT_APPS = "recentapps";
201    static public final String SYSTEM_DIALOG_REASON_HOME_KEY = "homekey";
202    static public final String SYSTEM_DIALOG_REASON_ASSIST = "assist";
203
204    /**
205     * These are the system UI flags that, when changing, can cause the layout
206     * of the screen to change.
207     */
208    static final int SYSTEM_UI_CHANGING_LAYOUT =
209              View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
210            | View.SYSTEM_UI_FLAG_FULLSCREEN
211            | View.STATUS_BAR_TRANSLUCENT
212            | View.NAVIGATION_BAR_TRANSLUCENT
213            | View.SYSTEM_UI_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    boolean mBootMessageNeedsHiding;
320    KeyguardServiceDelegate mKeyguardDelegate;
321    final Runnable mWindowManagerDrawCallback = new Runnable() {
322        @Override
323        public void run() {
324            if (DEBUG_WAKEUP) Slog.i(TAG, "All windows ready for display!");
325            mHandler.sendEmptyMessage(MSG_WINDOW_MANAGER_DRAWN_COMPLETE);
326        }
327    };
328    final DrawnListener mKeyguardDrawnCallback = new DrawnListener() {
329        @Override
330        public void onDrawn() {
331            if (DEBUG_WAKEUP) Slog.d(TAG, "mKeyguardDelegate.ShowListener.onDrawn.");
332            mHandler.sendEmptyMessage(MSG_KEYGUARD_DRAWN_COMPLETE);
333        }
334    };
335
336    GlobalActions mGlobalActions;
337    Handler mHandler;
338    WindowState mLastInputMethodWindow = null;
339    WindowState mLastInputMethodTargetWindow = null;
340
341    // FIXME This state is shared between the input reader and handler thread.
342    // Technically it's broken and buggy but it has been like this for many years
343    // and we have not yet seen any problems.  Someday we'll rewrite this logic
344    // so that only one thread is involved in handling input policy.  Unfortunately
345    // it's on a critical path for power management so we can't just post the work to the
346    // handler thread.  We'll need to resolve this someday by teaching the input dispatcher
347    // to hold wakelocks during dispatch and eliminating the critical path.
348    volatile boolean mPowerKeyHandled;
349    volatile boolean mBeganFromNonInteractive;
350    volatile int mPowerKeyPressCounter;
351    volatile boolean mEndCallKeyHandled;
352
353    boolean mRecentsVisible;
354    int mRecentAppsHeldModifiers;
355    boolean mLanguageSwitchKeyPressed;
356
357    int mLidState = LID_ABSENT;
358    int mCameraLensCoverState = CAMERA_LENS_COVER_ABSENT;
359    boolean mHaveBuiltInKeyboard;
360
361    boolean mSystemReady;
362    boolean mSystemBooted;
363    private boolean mDeferBindKeyguard;
364    boolean mHdmiPlugged;
365    HdmiControl mHdmiControl;
366    IUiModeManager mUiModeManager;
367    int mUiMode;
368    int mDockMode = Intent.EXTRA_DOCK_STATE_UNDOCKED;
369    int mLidOpenRotation;
370    int mCarDockRotation;
371    int mDeskDockRotation;
372    int mUndockedHdmiRotation;
373    int mDemoHdmiRotation;
374    boolean mDemoHdmiRotationLock;
375    int mDemoRotation;
376    boolean mDemoRotationLock;
377
378    boolean mWakeGestureEnabledSetting;
379    MyWakeGestureListener mWakeGestureListener;
380
381    // Default display does not rotate, apps that require non-default orientation will have to
382    // have the orientation emulated.
383    private boolean mForceDefaultOrientation = false;
384
385    int mUserRotationMode = WindowManagerPolicy.USER_ROTATION_FREE;
386    int mUserRotation = Surface.ROTATION_0;
387    boolean mAccelerometerDefault;
388
389    boolean mSupportAutoRotation;
390    int mAllowAllRotations = -1;
391    boolean mCarDockEnablesAccelerometer;
392    boolean mDeskDockEnablesAccelerometer;
393    int mLidKeyboardAccessibility;
394    int mLidNavigationAccessibility;
395    boolean mLidControlsSleep;
396    int mShortPressOnPowerBehavior;
397    int mLongPressOnPowerBehavior;
398    int mDoublePressOnPowerBehavior;
399    int mTriplePressOnPowerBehavior;
400    int mShortPressOnSleepBehavior;
401    boolean mAwake;
402    boolean mScreenOnEarly;
403    boolean mScreenOnFully;
404    ScreenOnListener mScreenOnListener;
405    boolean mKeyguardDrawComplete;
406    boolean mWindowManagerDrawComplete;
407    boolean mOrientationSensorEnabled = false;
408    int mCurrentAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
409    boolean mHasSoftInput = false;
410    boolean mTranslucentDecorEnabled = true;
411    boolean mUseTvRouting;
412
413    int mPointerLocationMode = 0; // guarded by mLock
414
415    // The last window we were told about in focusChanged.
416    WindowState mFocusedWindow;
417    IApplicationToken mFocusedApp;
418
419    PointerLocationView mPointerLocationView;
420
421    // The current size of the screen; really; extends into the overscan area of
422    // the screen and doesn't account for any system elements like the status bar.
423    int mOverscanScreenLeft, mOverscanScreenTop;
424    int mOverscanScreenWidth, mOverscanScreenHeight;
425    // The current visible size of the screen; really; (ir)regardless of whether the status
426    // bar can be hidden but not extending into the overscan area.
427    int mUnrestrictedScreenLeft, mUnrestrictedScreenTop;
428    int mUnrestrictedScreenWidth, mUnrestrictedScreenHeight;
429    // Like mOverscanScreen*, but allowed to move into the overscan region where appropriate.
430    int mRestrictedOverscanScreenLeft, mRestrictedOverscanScreenTop;
431    int mRestrictedOverscanScreenWidth, mRestrictedOverscanScreenHeight;
432    // The current size of the screen; these may be different than (0,0)-(dw,dh)
433    // if the status bar can't be hidden; in that case it effectively carves out
434    // that area of the display from all other windows.
435    int mRestrictedScreenLeft, mRestrictedScreenTop;
436    int mRestrictedScreenWidth, mRestrictedScreenHeight;
437    // During layout, the current screen borders accounting for any currently
438    // visible system UI elements.
439    int mSystemLeft, mSystemTop, mSystemRight, mSystemBottom;
440    // For applications requesting stable content insets, these are them.
441    int mStableLeft, mStableTop, mStableRight, mStableBottom;
442    // For applications requesting stable content insets but have also set the
443    // fullscreen window flag, these are the stable dimensions without the status bar.
444    int mStableFullscreenLeft, mStableFullscreenTop;
445    int mStableFullscreenRight, mStableFullscreenBottom;
446    // During layout, the current screen borders with all outer decoration
447    // (status bar, input method dock) accounted for.
448    int mCurLeft, mCurTop, mCurRight, mCurBottom;
449    // During layout, the frame in which content should be displayed
450    // to the user, accounting for all screen decoration except for any
451    // space they deem as available for other content.  This is usually
452    // the same as mCur*, but may be larger if the screen decor has supplied
453    // content insets.
454    int mContentLeft, mContentTop, mContentRight, mContentBottom;
455    // During layout, the frame in which voice content should be displayed
456    // to the user, accounting for all screen decoration except for any
457    // space they deem as available for other content.
458    int mVoiceContentLeft, mVoiceContentTop, mVoiceContentRight, mVoiceContentBottom;
459    // During layout, the current screen borders along which input method
460    // windows are placed.
461    int mDockLeft, mDockTop, mDockRight, mDockBottom;
462    // During layout, the layer at which the doc window is placed.
463    int mDockLayer;
464    // During layout, this is the layer of the status bar.
465    int mStatusBarLayer;
466    int mLastSystemUiFlags;
467    // Bits that we are in the process of clearing, so we want to prevent
468    // them from being set by applications until everything has been updated
469    // to have them clear.
470    int mResettingSystemUiFlags = 0;
471    // Bits that we are currently always keeping cleared.
472    int mForceClearedSystemUiFlags = 0;
473    // What we last reported to system UI about whether the compatibility
474    // menu needs to be displayed.
475    boolean mLastFocusNeedsMenu = false;
476    // If nonzero, a panic gesture was performed at that time in uptime millis and is still pending.
477    private long mPendingPanicGestureUptime;
478
479    InputConsumer mInputConsumer = null;
480
481    static final Rect mTmpParentFrame = new Rect();
482    static final Rect mTmpDisplayFrame = new Rect();
483    static final Rect mTmpOverscanFrame = new Rect();
484    static final Rect mTmpContentFrame = new Rect();
485    static final Rect mTmpVisibleFrame = new Rect();
486    static final Rect mTmpDecorFrame = new Rect();
487    static final Rect mTmpStableFrame = new Rect();
488    static final Rect mTmpNavigationFrame = new Rect();
489    static final Rect mTmpOutsetFrame = new Rect();
490
491    WindowState mTopFullscreenOpaqueWindowState;
492    WindowState mTopFullscreenOpaqueOrDimmingWindowState;
493    HashSet<IApplicationToken> mAppsToBeHidden = new HashSet<IApplicationToken>();
494    HashSet<IApplicationToken> mAppsThatDismissKeyguard = new HashSet<IApplicationToken>();
495    boolean mTopIsFullscreen;
496    boolean mForceStatusBar;
497    boolean mForceStatusBarFromKeyguard;
498    private boolean mForceStatusBarTransparent;
499    boolean mHideLockScreen;
500    boolean mForcingShowNavBar;
501    int mForcingShowNavBarLayer;
502
503    // States of keyguard dismiss.
504    private static final int DISMISS_KEYGUARD_NONE = 0; // Keyguard not being dismissed.
505    private static final int DISMISS_KEYGUARD_START = 1; // Keyguard needs to be dismissed.
506    private static final int DISMISS_KEYGUARD_CONTINUE = 2; // Keyguard has been dismissed.
507    int mDismissKeyguard = DISMISS_KEYGUARD_NONE;
508
509    /** The window that is currently dismissing the keyguard. Dismissing the keyguard must only
510     * be done once per window. */
511    private WindowState mWinDismissingKeyguard;
512
513    /** When window is currently dismissing the keyguard, dismissing the keyguard must handle
514     * the keygaurd secure state change instantly case, e.g. the use case of inserting a PIN
515     * lock SIM card. This variable is used to record the previous keyguard secure state for
516     * monitoring secure state change on window dismissing keyguard. */
517    private boolean mSecureDismissingKeyguard;
518
519    /** The window that is currently showing "over" the keyguard. If there is an app window
520     * belonging to another app on top of this the keyguard shows. If there is a fullscreen
521     * app window under this, still dismiss the keyguard but don't show the app underneath. Show
522     * the wallpaper. */
523    private WindowState mWinShowWhenLocked;
524
525    boolean mShowingLockscreen;
526    boolean mShowingDream;
527    boolean mDreamingLockscreen;
528    boolean mDreamingSleepTokenNeeded;
529    SleepToken mDreamingSleepToken;
530    SleepToken mScreenOffSleepToken;
531    boolean mKeyguardSecure;
532    boolean mKeyguardSecureIncludingHidden;
533    volatile boolean mKeyguardOccluded;
534    boolean mHomePressed;
535    boolean mHomeConsumed;
536    boolean mHomeDoubleTapPending;
537    Intent mHomeIntent;
538    Intent mCarDockIntent;
539    Intent mDeskDockIntent;
540    boolean mSearchKeyShortcutPending;
541    boolean mConsumeSearchKeyUp;
542    boolean mAssistKeyLongPressed;
543    boolean mPendingMetaAction;
544
545    // support for activating the lock screen while the screen is on
546    boolean mAllowLockscreenWhenOn;
547    int mLockScreenTimeout;
548    boolean mLockScreenTimerActive;
549
550    // Behavior of ENDCALL Button.  (See Settings.System.END_BUTTON_BEHAVIOR.)
551    int mEndcallBehavior;
552
553    // Behavior of POWER button while in-call and screen on.
554    // (See Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR.)
555    int mIncallPowerBehavior;
556
557    Display mDisplay;
558
559    private int mDisplayRotation;
560
561    int mLandscapeRotation = 0;  // default landscape rotation
562    int mSeascapeRotation = 0;   // "other" landscape rotation, 180 degrees from mLandscapeRotation
563    int mPortraitRotation = 0;   // default portrait rotation
564    int mUpsideDownRotation = 0; // "other" portrait rotation
565
566    int mOverscanLeft = 0;
567    int mOverscanTop = 0;
568    int mOverscanRight = 0;
569    int mOverscanBottom = 0;
570
571    // What we do when the user long presses on home
572    private int mLongPressOnHomeBehavior;
573
574    // What we do when the user double-taps on home
575    private int mDoubleTapOnHomeBehavior;
576
577    // Allowed theater mode wake actions
578    private boolean mAllowTheaterModeWakeFromKey;
579    private boolean mAllowTheaterModeWakeFromPowerKey;
580    private boolean mAllowTheaterModeWakeFromMotion;
581    private boolean mAllowTheaterModeWakeFromMotionWhenNotDreaming;
582    private boolean mAllowTheaterModeWakeFromCameraLens;
583    private boolean mAllowTheaterModeWakeFromLidSwitch;
584    private boolean mAllowTheaterModeWakeFromWakeGesture;
585
586    // Whether to support long press from power button in non-interactive mode
587    private boolean mSupportLongPressPowerWhenNonInteractive;
588
589    // Whether to go to sleep entering theater mode from power button
590    private boolean mGoToSleepOnButtonPressTheaterMode;
591
592    // Screenshot trigger states
593    // Time to volume and power must be pressed within this interval of each other.
594    private static final long SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS = 150;
595    // Increase the chord delay when taking a screenshot from the keyguard
596    private static final float KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER = 2.5f;
597    private boolean mScreenshotChordEnabled;
598    private boolean mScreenshotChordVolumeDownKeyTriggered;
599    private long mScreenshotChordVolumeDownKeyTime;
600    private boolean mScreenshotChordVolumeDownKeyConsumed;
601    private boolean mScreenshotChordVolumeUpKeyTriggered;
602    private boolean mScreenshotChordPowerKeyTriggered;
603    private long mScreenshotChordPowerKeyTime;
604
605    /* The number of steps between min and max brightness */
606    private static final int BRIGHTNESS_STEPS = 10;
607
608    SettingsObserver mSettingsObserver;
609    ShortcutManager mShortcutManager;
610    PowerManager.WakeLock mBroadcastWakeLock;
611    PowerManager.WakeLock mPowerKeyWakeLock;
612    boolean mHavePendingMediaKeyRepeatWithWakeLock;
613
614    private int mCurrentUserId;
615
616    // Maps global key codes to the components that will handle them.
617    private GlobalKeyManager mGlobalKeyManager;
618
619    // Fallback actions by key code.
620    private final SparseArray<KeyCharacterMap.FallbackAction> mFallbackActions =
621            new SparseArray<KeyCharacterMap.FallbackAction>();
622
623    private final LogDecelerateInterpolator mLogDecelerateInterpolator
624            = new LogDecelerateInterpolator(100, 0);
625
626    private static final int MSG_ENABLE_POINTER_LOCATION = 1;
627    private static final int MSG_DISABLE_POINTER_LOCATION = 2;
628    private static final int MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK = 3;
629    private static final int MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK = 4;
630    private static final int MSG_KEYGUARD_DRAWN_COMPLETE = 5;
631    private static final int MSG_KEYGUARD_DRAWN_TIMEOUT = 6;
632    private static final int MSG_WINDOW_MANAGER_DRAWN_COMPLETE = 7;
633    private static final int MSG_DISPATCH_SHOW_RECENTS = 9;
634    private static final int MSG_DISPATCH_SHOW_GLOBAL_ACTIONS = 10;
635    private static final int MSG_HIDE_BOOT_MESSAGE = 11;
636    private static final int MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK = 12;
637    private static final int MSG_POWER_DELAYED_PRESS = 13;
638    private static final int MSG_POWER_LONG_PRESS = 14;
639    private static final int MSG_UPDATE_DREAMING_SLEEP_TOKEN = 15;
640    private static final int MSG_REQUEST_TRANSIENT_BARS = 16;
641
642    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS = 0;
643    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION = 1;
644
645    private class PolicyHandler extends Handler {
646        @Override
647        public void handleMessage(Message msg) {
648            switch (msg.what) {
649                case MSG_ENABLE_POINTER_LOCATION:
650                    enablePointerLocation();
651                    break;
652                case MSG_DISABLE_POINTER_LOCATION:
653                    disablePointerLocation();
654                    break;
655                case MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK:
656                    dispatchMediaKeyWithWakeLock((KeyEvent)msg.obj);
657                    break;
658                case MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK:
659                    dispatchMediaKeyRepeatWithWakeLock((KeyEvent)msg.obj);
660                    break;
661                case MSG_DISPATCH_SHOW_RECENTS:
662                    showRecentApps(false);
663                    break;
664                case MSG_DISPATCH_SHOW_GLOBAL_ACTIONS:
665                    showGlobalActionsInternal();
666                    break;
667                case MSG_KEYGUARD_DRAWN_COMPLETE:
668                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mKeyguardDrawComplete");
669                    finishKeyguardDrawn();
670                    break;
671                case MSG_KEYGUARD_DRAWN_TIMEOUT:
672                    Slog.w(TAG, "Keyguard drawn timeout. Setting mKeyguardDrawComplete");
673                    finishKeyguardDrawn();
674                    break;
675                case MSG_WINDOW_MANAGER_DRAWN_COMPLETE:
676                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mWindowManagerDrawComplete");
677                    finishWindowsDrawn();
678                    break;
679                case MSG_HIDE_BOOT_MESSAGE:
680                    handleHideBootMessage();
681                    break;
682                case MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK:
683                    launchVoiceAssistWithWakeLock(msg.arg1 != 0);
684                    break;
685                case MSG_POWER_DELAYED_PRESS:
686                    powerPress((Long)msg.obj, msg.arg1 != 0, msg.arg2);
687                    finishPowerKeyPress();
688                    break;
689                case MSG_POWER_LONG_PRESS:
690                    powerLongPress();
691                    break;
692                case MSG_UPDATE_DREAMING_SLEEP_TOKEN:
693                    updateDreamingSleepToken(msg.arg1 != 0);
694                    break;
695                case MSG_REQUEST_TRANSIENT_BARS:
696                    WindowState targetBar = (msg.arg1 == MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS) ?
697                            mStatusBar : mNavigationBar;
698                    if (targetBar != null) {
699                        requestTransientBars(targetBar);
700                    }
701                    break;
702            }
703        }
704    }
705
706    private UEventObserver mHDMIObserver = new UEventObserver() {
707        @Override
708        public void onUEvent(UEventObserver.UEvent event) {
709            setHdmiPlugged("1".equals(event.get("SWITCH_STATE")));
710        }
711    };
712
713    class SettingsObserver extends ContentObserver {
714        SettingsObserver(Handler handler) {
715            super(handler);
716        }
717
718        void observe() {
719            // Observe all users' changes
720            ContentResolver resolver = mContext.getContentResolver();
721            resolver.registerContentObserver(Settings.System.getUriFor(
722                    Settings.System.END_BUTTON_BEHAVIOR), false, this,
723                    UserHandle.USER_ALL);
724            resolver.registerContentObserver(Settings.Secure.getUriFor(
725                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR), false, this,
726                    UserHandle.USER_ALL);
727            resolver.registerContentObserver(Settings.Secure.getUriFor(
728                    Settings.Secure.WAKE_GESTURE_ENABLED), false, this,
729                    UserHandle.USER_ALL);
730            resolver.registerContentObserver(Settings.System.getUriFor(
731                    Settings.System.ACCELEROMETER_ROTATION), false, this,
732                    UserHandle.USER_ALL);
733            resolver.registerContentObserver(Settings.System.getUriFor(
734                    Settings.System.USER_ROTATION), false, this,
735                    UserHandle.USER_ALL);
736            resolver.registerContentObserver(Settings.System.getUriFor(
737                    Settings.System.SCREEN_OFF_TIMEOUT), false, this,
738                    UserHandle.USER_ALL);
739            resolver.registerContentObserver(Settings.System.getUriFor(
740                    Settings.System.POINTER_LOCATION), false, this,
741                    UserHandle.USER_ALL);
742            resolver.registerContentObserver(Settings.Secure.getUriFor(
743                    Settings.Secure.DEFAULT_INPUT_METHOD), false, this,
744                    UserHandle.USER_ALL);
745            resolver.registerContentObserver(Settings.Secure.getUriFor(
746                    Settings.Secure.IMMERSIVE_MODE_CONFIRMATIONS), false, this,
747                    UserHandle.USER_ALL);
748            resolver.registerContentObserver(Settings.Global.getUriFor(
749                    Settings.Global.POLICY_CONTROL), false, this,
750                    UserHandle.USER_ALL);
751            updateSettings();
752        }
753
754        @Override public void onChange(boolean selfChange) {
755            updateSettings();
756            updateRotation(false);
757        }
758    }
759
760    class MyWakeGestureListener extends WakeGestureListener {
761        MyWakeGestureListener(Context context, Handler handler) {
762            super(context, handler);
763        }
764
765        @Override
766        public void onWakeUp() {
767            synchronized (mLock) {
768                if (shouldEnableWakeGestureLp()) {
769                    performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
770                    wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromWakeGesture,
771                            "android.policy:GESTURE");
772                }
773            }
774        }
775    }
776
777    class MyOrientationListener extends WindowOrientationListener {
778        private final Runnable mUpdateRotationRunnable = new Runnable() {
779            @Override
780            public void run() {
781                updateRotation(false);
782            }
783        };
784
785        MyOrientationListener(Context context, Handler handler) {
786            super(context, handler);
787        }
788
789        @Override
790        public void onProposedRotationChanged(int rotation) {
791            if (localLOGV) Slog.v(TAG, "onProposedRotationChanged, rotation=" + rotation);
792            mHandler.post(mUpdateRotationRunnable);
793        }
794    }
795    MyOrientationListener mOrientationListener;
796
797    private final StatusBarController mStatusBarController = new StatusBarController();
798
799    private final BarController mNavigationBarController = new BarController("NavigationBar",
800            View.NAVIGATION_BAR_TRANSIENT,
801            View.NAVIGATION_BAR_UNHIDE,
802            View.NAVIGATION_BAR_TRANSLUCENT,
803            StatusBarManager.WINDOW_NAVIGATION_BAR,
804            WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
805
806    private ImmersiveModeConfirmation mImmersiveModeConfirmation;
807
808    private SystemGesturesPointerEventListener mSystemGestures;
809
810    IStatusBarService getStatusBarService() {
811        synchronized (mServiceAquireLock) {
812            if (mStatusBarService == null) {
813                mStatusBarService = IStatusBarService.Stub.asInterface(
814                        ServiceManager.getService("statusbar"));
815            }
816            return mStatusBarService;
817        }
818    }
819
820    /*
821     * We always let the sensor be switched on by default except when
822     * the user has explicitly disabled sensor based rotation or when the
823     * screen is switched off.
824     */
825    boolean needSensorRunningLp() {
826        if (mSupportAutoRotation) {
827            if (mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
828                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
829                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT
830                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE) {
831                // If the application has explicitly requested to follow the
832                // orientation, then we need to turn the sensor on.
833                return true;
834            }
835        }
836        if ((mCarDockEnablesAccelerometer && mDockMode == Intent.EXTRA_DOCK_STATE_CAR) ||
837                (mDeskDockEnablesAccelerometer && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
838                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
839                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK))) {
840            // enable accelerometer if we are docked in a dock that enables accelerometer
841            // orientation management,
842            return true;
843        }
844        if (mUserRotationMode == USER_ROTATION_LOCKED) {
845            // If the setting for using the sensor by default is enabled, then
846            // we will always leave it on.  Note that the user could go to
847            // a window that forces an orientation that does not use the
848            // sensor and in theory we could turn it off... however, when next
849            // turning it on we won't have a good value for the current
850            // orientation for a little bit, which can cause orientation
851            // changes to lag, so we'd like to keep it always on.  (It will
852            // still be turned off when the screen is off.)
853            return false;
854        }
855        return mSupportAutoRotation;
856    }
857
858    /*
859     * Various use cases for invoking this function
860     * screen turning off, should always disable listeners if already enabled
861     * screen turned on and current app has sensor based orientation, enable listeners
862     * if not already enabled
863     * screen turned on and current app does not have sensor orientation, disable listeners if
864     * already enabled
865     * screen turning on and current app has sensor based orientation, enable listeners if needed
866     * screen turning on and current app has nosensor based orientation, do nothing
867     */
868    void updateOrientationListenerLp() {
869        if (!mOrientationListener.canDetectOrientation()) {
870            // If sensor is turned off or nonexistent for some reason
871            return;
872        }
873        // Could have been invoked due to screen turning on or off or
874        // change of the currently visible window's orientation.
875        if (localLOGV) Slog.v(TAG, "mScreenOnEarly=" + mScreenOnEarly
876                + ", mAwake=" + mAwake + ", mCurrentAppOrientation=" + mCurrentAppOrientation
877                + ", mOrientationSensorEnabled=" + mOrientationSensorEnabled
878                + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
879                + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
880        boolean disable = true;
881        // Note: We postpone the rotating of the screen until the keyguard as well as the
882        // window manager have reported a draw complete.
883        if (mScreenOnEarly && mAwake &&
884                mKeyguardDrawComplete && mWindowManagerDrawComplete) {
885            if (needSensorRunningLp()) {
886                disable = false;
887                //enable listener if not already enabled
888                if (!mOrientationSensorEnabled) {
889                    mOrientationListener.enable();
890                    if(localLOGV) Slog.v(TAG, "Enabling listeners");
891                    mOrientationSensorEnabled = true;
892                }
893            }
894        }
895        //check if sensors need to be disabled
896        if (disable && mOrientationSensorEnabled) {
897            mOrientationListener.disable();
898            if(localLOGV) Slog.v(TAG, "Disabling listeners");
899            mOrientationSensorEnabled = false;
900        }
901    }
902
903    private void interceptPowerKeyDown(KeyEvent event, boolean interactive) {
904        // Hold a wake lock until the power key is released.
905        if (!mPowerKeyWakeLock.isHeld()) {
906            mPowerKeyWakeLock.acquire();
907        }
908
909        // Cancel multi-press detection timeout.
910        if (mPowerKeyPressCounter != 0) {
911            mHandler.removeMessages(MSG_POWER_DELAYED_PRESS);
912        }
913
914        // Detect user pressing the power button in panic when an application has
915        // taken over the whole screen.
916        boolean panic = mImmersiveModeConfirmation.onPowerKeyDown(interactive,
917                SystemClock.elapsedRealtime(), isImmersiveMode(mLastSystemUiFlags));
918        if (panic) {
919            mHandler.post(mHiddenNavPanic);
920        }
921
922        // Latch power key state to detect screenshot chord.
923        if (interactive && !mScreenshotChordPowerKeyTriggered
924                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
925            mScreenshotChordPowerKeyTriggered = true;
926            mScreenshotChordPowerKeyTime = event.getDownTime();
927            interceptScreenshotChord();
928        }
929
930        // Stop ringing or end call if configured to do so when power is pressed.
931        TelecomManager telecomManager = getTelecommService();
932        boolean hungUp = false;
933        if (telecomManager != null) {
934            if (telecomManager.isRinging()) {
935                // Pressing Power while there's a ringing incoming
936                // call should silence the ringer.
937                telecomManager.silenceRinger();
938            } else if ((mIncallPowerBehavior
939                    & Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP) != 0
940                    && telecomManager.isInCall() && interactive) {
941                // Otherwise, if "Power button ends call" is enabled,
942                // the Power button will hang up any current active call.
943                hungUp = telecomManager.endCall();
944            }
945        }
946
947        GestureLauncherService gestureService = LocalServices.getService(
948                GestureLauncherService.class);
949        boolean gesturedServiceIntercepted = false;
950        if (gestureService != null) {
951            gesturedServiceIntercepted = gestureService.interceptPowerKeyDown(event, interactive);
952        }
953
954        // If the power key has still not yet been handled, then detect short
955        // press, long press, or multi press and decide what to do.
956        mPowerKeyHandled = hungUp || mScreenshotChordVolumeDownKeyTriggered
957                || mScreenshotChordVolumeUpKeyTriggered || gesturedServiceIntercepted;
958        if (!mPowerKeyHandled) {
959            if (interactive) {
960                // When interactive, we're already awake.
961                // Wait for a long press or for the button to be released to decide what to do.
962                if (hasLongPressOnPowerBehavior()) {
963                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
964                    msg.setAsynchronous(true);
965                    mHandler.sendMessageDelayed(msg,
966                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
967                }
968            } else {
969                wakeUpFromPowerKey(event.getDownTime());
970
971                if (mSupportLongPressPowerWhenNonInteractive && hasLongPressOnPowerBehavior()) {
972                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
973                    msg.setAsynchronous(true);
974                    mHandler.sendMessageDelayed(msg,
975                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
976                    mBeganFromNonInteractive = true;
977                } else {
978                    final int maxCount = getMaxMultiPressPowerCount();
979
980                    if (maxCount <= 1) {
981                        mPowerKeyHandled = true;
982                    } else {
983                        mBeganFromNonInteractive = true;
984                    }
985                }
986            }
987        }
988    }
989
990    private void interceptPowerKeyUp(KeyEvent event, boolean interactive, boolean canceled) {
991        final boolean handled = canceled || mPowerKeyHandled;
992        mScreenshotChordPowerKeyTriggered = false;
993        cancelPendingScreenshotChordAction();
994        cancelPendingPowerKeyAction();
995
996        if (!handled) {
997            // Figure out how to handle the key now that it has been released.
998            mPowerKeyPressCounter += 1;
999
1000            final int maxCount = getMaxMultiPressPowerCount();
1001            final long eventTime = event.getDownTime();
1002            if (mPowerKeyPressCounter < maxCount) {
1003                // This could be a multi-press.  Wait a little bit longer to confirm.
1004                // Continue holding the wake lock.
1005                Message msg = mHandler.obtainMessage(MSG_POWER_DELAYED_PRESS,
1006                        interactive ? 1 : 0, mPowerKeyPressCounter, eventTime);
1007                msg.setAsynchronous(true);
1008                mHandler.sendMessageDelayed(msg, ViewConfiguration.getDoubleTapTimeout());
1009                return;
1010            }
1011
1012            // No other actions.  Handle it immediately.
1013            powerPress(eventTime, interactive, mPowerKeyPressCounter);
1014        }
1015
1016        // Done.  Reset our state.
1017        finishPowerKeyPress();
1018    }
1019
1020    private void finishPowerKeyPress() {
1021        mBeganFromNonInteractive = false;
1022        mPowerKeyPressCounter = 0;
1023        if (mPowerKeyWakeLock.isHeld()) {
1024            mPowerKeyWakeLock.release();
1025        }
1026    }
1027
1028    private void cancelPendingPowerKeyAction() {
1029        if (!mPowerKeyHandled) {
1030            mPowerKeyHandled = true;
1031            mHandler.removeMessages(MSG_POWER_LONG_PRESS);
1032        }
1033    }
1034
1035    private void powerPress(long eventTime, boolean interactive, int count) {
1036        if (mScreenOnEarly && !mScreenOnFully) {
1037            Slog.i(TAG, "Suppressed redundant power key press while "
1038                    + "already in the process of turning the screen on.");
1039            return;
1040        }
1041
1042        if (count == 2) {
1043            powerMultiPressAction(eventTime, interactive, mDoublePressOnPowerBehavior);
1044        } else if (count == 3) {
1045            powerMultiPressAction(eventTime, interactive, mTriplePressOnPowerBehavior);
1046        } else if (interactive && !mBeganFromNonInteractive) {
1047            switch (mShortPressOnPowerBehavior) {
1048                case SHORT_PRESS_POWER_NOTHING:
1049                    break;
1050                case SHORT_PRESS_POWER_GO_TO_SLEEP:
1051                    mPowerManager.goToSleep(eventTime,
1052                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1053                    break;
1054                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP:
1055                    mPowerManager.goToSleep(eventTime,
1056                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1057                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1058                    break;
1059                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME:
1060                    mPowerManager.goToSleep(eventTime,
1061                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1062                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1063                    launchHomeFromHotKey();
1064                    break;
1065                case SHORT_PRESS_POWER_GO_HOME:
1066                    launchHomeFromHotKey(true /* awakenFromDreams */, false /*respectKeyguard*/);
1067                    break;
1068            }
1069        }
1070    }
1071
1072    private void powerMultiPressAction(long eventTime, boolean interactive, int behavior) {
1073        switch (behavior) {
1074            case MULTI_PRESS_POWER_NOTHING:
1075                break;
1076            case MULTI_PRESS_POWER_THEATER_MODE:
1077                if (!isUserSetupComplete()) {
1078                    Slog.i(TAG, "Ignoring toggling theater mode - device not setup.");
1079                    break;
1080                }
1081
1082                if (isTheaterModeEnabled()) {
1083                    Slog.i(TAG, "Toggling theater mode off.");
1084                    Settings.Global.putInt(mContext.getContentResolver(),
1085                            Settings.Global.THEATER_MODE_ON, 0);
1086                    if (!interactive) {
1087                        wakeUpFromPowerKey(eventTime);
1088                    }
1089                } else {
1090                    Slog.i(TAG, "Toggling theater mode on.");
1091                    Settings.Global.putInt(mContext.getContentResolver(),
1092                            Settings.Global.THEATER_MODE_ON, 1);
1093
1094                    if (mGoToSleepOnButtonPressTheaterMode && interactive) {
1095                        mPowerManager.goToSleep(eventTime,
1096                                PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1097                    }
1098                }
1099                break;
1100            case MULTI_PRESS_POWER_BRIGHTNESS_BOOST:
1101                Slog.i(TAG, "Starting brightness boost.");
1102                if (!interactive) {
1103                    wakeUpFromPowerKey(eventTime);
1104                }
1105                mPowerManager.boostScreenBrightness(eventTime);
1106                break;
1107        }
1108    }
1109
1110    private int getMaxMultiPressPowerCount() {
1111        if (mTriplePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1112            return 3;
1113        }
1114        if (mDoublePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1115            return 2;
1116        }
1117        return 1;
1118    }
1119
1120    private void powerLongPress() {
1121        final int behavior = getResolvedLongPressOnPowerBehavior();
1122        switch (behavior) {
1123        case LONG_PRESS_POWER_NOTHING:
1124            break;
1125        case LONG_PRESS_POWER_GLOBAL_ACTIONS:
1126            mPowerKeyHandled = true;
1127            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1128                performAuditoryFeedbackForAccessibilityIfNeed();
1129            }
1130            showGlobalActionsInternal();
1131            break;
1132        case LONG_PRESS_POWER_SHUT_OFF:
1133        case LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM:
1134            mPowerKeyHandled = true;
1135            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1136            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1137            mWindowManagerFuncs.shutdown(behavior == LONG_PRESS_POWER_SHUT_OFF);
1138            break;
1139        }
1140    }
1141
1142    private void sleepPress(long eventTime) {
1143        if (mShortPressOnSleepBehavior == SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME) {
1144            launchHomeFromHotKey(false /* awakenDreams */, true /*respectKeyguard*/);
1145        }
1146    }
1147
1148    private void sleepRelease(long eventTime) {
1149        switch (mShortPressOnSleepBehavior) {
1150            case SHORT_PRESS_SLEEP_GO_TO_SLEEP:
1151            case SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME:
1152                Slog.i(TAG, "sleepRelease() calling goToSleep(GO_TO_SLEEP_REASON_SLEEP_BUTTON)");
1153                mPowerManager.goToSleep(eventTime,
1154                       PowerManager.GO_TO_SLEEP_REASON_SLEEP_BUTTON, 0);
1155                break;
1156        }
1157    }
1158
1159    private int getResolvedLongPressOnPowerBehavior() {
1160        if (FactoryTest.isLongPressOnPowerOffEnabled()) {
1161            return LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;
1162        }
1163        return mLongPressOnPowerBehavior;
1164    }
1165
1166    private boolean hasLongPressOnPowerBehavior() {
1167        return getResolvedLongPressOnPowerBehavior() != LONG_PRESS_POWER_NOTHING;
1168    }
1169
1170    private void interceptScreenshotChord() {
1171        if (mScreenshotChordEnabled
1172                && mScreenshotChordVolumeDownKeyTriggered && mScreenshotChordPowerKeyTriggered
1173                && !mScreenshotChordVolumeUpKeyTriggered) {
1174            final long now = SystemClock.uptimeMillis();
1175            if (now <= mScreenshotChordVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS
1176                    && now <= mScreenshotChordPowerKeyTime
1177                            + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS) {
1178                mScreenshotChordVolumeDownKeyConsumed = true;
1179                cancelPendingPowerKeyAction();
1180
1181                mHandler.postDelayed(mScreenshotRunnable, getScreenshotChordLongPressDelay());
1182            }
1183        }
1184    }
1185
1186    private long getScreenshotChordLongPressDelay() {
1187        if (mKeyguardDelegate.isShowing()) {
1188            // Double the time it takes to take a screenshot from the keyguard
1189            return (long) (KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER *
1190                    ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1191        }
1192        return ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout();
1193    }
1194
1195    private void cancelPendingScreenshotChordAction() {
1196        mHandler.removeCallbacks(mScreenshotRunnable);
1197    }
1198
1199    private final Runnable mEndCallLongPress = new Runnable() {
1200        @Override
1201        public void run() {
1202            mEndCallKeyHandled = true;
1203            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1204                performAuditoryFeedbackForAccessibilityIfNeed();
1205            }
1206            showGlobalActionsInternal();
1207        }
1208    };
1209
1210    private final Runnable mScreenshotRunnable = new Runnable() {
1211        @Override
1212        public void run() {
1213            takeScreenshot();
1214        }
1215    };
1216
1217    @Override
1218    public void showGlobalActions() {
1219        mHandler.removeMessages(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1220        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1221    }
1222
1223    void showGlobalActionsInternal() {
1224        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1225        if (mGlobalActions == null) {
1226            mGlobalActions = new GlobalActions(mContext, mWindowManagerFuncs);
1227        }
1228        final boolean keyguardShowing = isKeyguardShowingAndNotOccluded();
1229        mGlobalActions.showDialog(keyguardShowing, isDeviceProvisioned());
1230        if (keyguardShowing) {
1231            // since it took two seconds of long press to bring this up,
1232            // poke the wake lock so they have some time to see the dialog.
1233            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
1234        }
1235    }
1236
1237    boolean isDeviceProvisioned() {
1238        return Settings.Global.getInt(
1239                mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0;
1240    }
1241
1242    boolean isUserSetupComplete() {
1243        return Settings.Secure.getIntForUser(mContext.getContentResolver(),
1244                Settings.Secure.USER_SETUP_COMPLETE, 0, UserHandle.USER_CURRENT) != 0;
1245    }
1246
1247    private void handleShortPressOnHome() {
1248        // Turn on the connected TV and switch HDMI input if we're a HDMI playback device.
1249        getHdmiControl().turnOnTv();
1250
1251        // If there's a dream running then use home to escape the dream
1252        // but don't actually go home.
1253        if (mDreamManagerInternal != null && mDreamManagerInternal.isDreaming()) {
1254            mDreamManagerInternal.stopDream(false /*immediate*/);
1255            return;
1256        }
1257
1258        // Go home!
1259        launchHomeFromHotKey();
1260    }
1261
1262    /**
1263     * Creates an accessor to HDMI control service that performs the operation of
1264     * turning on TV (optional) and switching input to us. If HDMI control service
1265     * is not available or we're not a HDMI playback device, the operation is no-op.
1266     */
1267    private HdmiControl getHdmiControl() {
1268        if (null == mHdmiControl) {
1269            HdmiControlManager manager = (HdmiControlManager) mContext.getSystemService(
1270                        Context.HDMI_CONTROL_SERVICE);
1271            HdmiPlaybackClient client = null;
1272            if (manager != null) {
1273                client = manager.getPlaybackClient();
1274            }
1275            mHdmiControl = new HdmiControl(client);
1276        }
1277        return mHdmiControl;
1278    }
1279
1280    private static class HdmiControl {
1281        private final HdmiPlaybackClient mClient;
1282
1283        private HdmiControl(HdmiPlaybackClient client) {
1284            mClient = client;
1285        }
1286
1287        public void turnOnTv() {
1288            if (mClient == null) {
1289                return;
1290            }
1291            mClient.oneTouchPlay(new OneTouchPlayCallback() {
1292                @Override
1293                public void onComplete(int result) {
1294                    if (result != HdmiControlManager.RESULT_SUCCESS) {
1295                        Log.w(TAG, "One touch play failed: " + result);
1296                    }
1297                }
1298            });
1299        }
1300    }
1301
1302    private void handleLongPressOnHome(int deviceId) {
1303        if (mLongPressOnHomeBehavior != LONG_PRESS_HOME_NOTHING) {
1304            mHomeConsumed = true;
1305            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1306
1307            if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI) {
1308                toggleRecentApps();
1309            } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_ASSIST) {
1310                launchAssistAction(null, deviceId);
1311            }
1312        }
1313    }
1314
1315    private void handleDoubleTapOnHome() {
1316        if (mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1317            mHomeConsumed = true;
1318            toggleRecentApps();
1319        }
1320    }
1321
1322    private final Runnable mHomeDoubleTapTimeoutRunnable = new Runnable() {
1323        @Override
1324        public void run() {
1325            if (mHomeDoubleTapPending) {
1326                mHomeDoubleTapPending = false;
1327                handleShortPressOnHome();
1328            }
1329        }
1330    };
1331
1332    private boolean isRoundWindow() {
1333        return mContext.getResources().getConfiguration().isScreenRound();
1334    }
1335
1336    /** {@inheritDoc} */
1337    @Override
1338    public void init(Context context, IWindowManager windowManager,
1339            WindowManagerFuncs windowManagerFuncs) {
1340        mContext = context;
1341        mWindowManager = windowManager;
1342        mWindowManagerFuncs = windowManagerFuncs;
1343        mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class);
1344        mActivityManagerInternal = LocalServices.getService(ActivityManagerInternal.class);
1345        mDreamManagerInternal = LocalServices.getService(DreamManagerInternal.class);
1346        mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class);
1347        mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
1348        mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class);
1349
1350        // Init display burn-in protection
1351        boolean burnInProtectionEnabled = context.getResources().getBoolean(
1352                com.android.internal.R.bool.config_enableBurnInProtection);
1353        // Allow a system property to override this. Used by developer settings.
1354        boolean burnInProtectionDevMode =
1355                SystemProperties.getBoolean("persist.debug.force_burn_in", false);
1356        if (burnInProtectionEnabled || burnInProtectionDevMode) {
1357            final int minHorizontal;
1358            final int maxHorizontal;
1359            final int minVertical;
1360            final int maxVertical;
1361            final int maxRadius;
1362            if (burnInProtectionDevMode) {
1363                minHorizontal = -8;
1364                maxHorizontal = 8;
1365                minVertical = -8;
1366                maxVertical = -4;
1367                maxRadius = (isRoundWindow()) ? 6 : -1;
1368            } else {
1369                Resources resources = context.getResources();
1370                minHorizontal = resources.getInteger(
1371                        com.android.internal.R.integer.config_burnInProtectionMinHorizontalOffset);
1372                maxHorizontal = resources.getInteger(
1373                        com.android.internal.R.integer.config_burnInProtectionMaxHorizontalOffset);
1374                minVertical = resources.getInteger(
1375                        com.android.internal.R.integer.config_burnInProtectionMinVerticalOffset);
1376                maxVertical = resources.getInteger(
1377                        com.android.internal.R.integer.config_burnInProtectionMaxVerticalOffset);
1378                maxRadius = resources.getInteger(
1379                        com.android.internal.R.integer.config_burnInProtectionMaxRadius);
1380            }
1381            mBurnInProtectionHelper = new BurnInProtectionHelper(
1382                    context, minHorizontal, maxHorizontal, minVertical, maxVertical, maxRadius);
1383        }
1384
1385        mHandler = new PolicyHandler();
1386        mWakeGestureListener = new MyWakeGestureListener(mContext, mHandler);
1387        mOrientationListener = new MyOrientationListener(mContext, mHandler);
1388        try {
1389            mOrientationListener.setCurrentRotation(windowManager.getRotation());
1390        } catch (RemoteException ex) { }
1391        mSettingsObserver = new SettingsObserver(mHandler);
1392        mSettingsObserver.observe();
1393        mShortcutManager = new ShortcutManager(context);
1394        mUiMode = context.getResources().getInteger(
1395                com.android.internal.R.integer.config_defaultUiModeType);
1396        mHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
1397        mHomeIntent.addCategory(Intent.CATEGORY_HOME);
1398        mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1399                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1400        mCarDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1401        mCarDockIntent.addCategory(Intent.CATEGORY_CAR_DOCK);
1402        mCarDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1403                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1404        mDeskDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1405        mDeskDockIntent.addCategory(Intent.CATEGORY_DESK_DOCK);
1406        mDeskDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1407                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1408
1409        mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
1410        mBroadcastWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1411                "PhoneWindowManager.mBroadcastWakeLock");
1412        mPowerKeyWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1413                "PhoneWindowManager.mPowerKeyWakeLock");
1414        mEnableShiftMenuBugReports = "1".equals(SystemProperties.get("ro.debuggable"));
1415        mSupportAutoRotation = mContext.getResources().getBoolean(
1416                com.android.internal.R.bool.config_supportAutoRotation);
1417        mLidOpenRotation = readRotation(
1418                com.android.internal.R.integer.config_lidOpenRotation);
1419        mCarDockRotation = readRotation(
1420                com.android.internal.R.integer.config_carDockRotation);
1421        mDeskDockRotation = readRotation(
1422                com.android.internal.R.integer.config_deskDockRotation);
1423        mUndockedHdmiRotation = readRotation(
1424                com.android.internal.R.integer.config_undockedHdmiRotation);
1425        mCarDockEnablesAccelerometer = mContext.getResources().getBoolean(
1426                com.android.internal.R.bool.config_carDockEnablesAccelerometer);
1427        mDeskDockEnablesAccelerometer = mContext.getResources().getBoolean(
1428                com.android.internal.R.bool.config_deskDockEnablesAccelerometer);
1429        mLidKeyboardAccessibility = mContext.getResources().getInteger(
1430                com.android.internal.R.integer.config_lidKeyboardAccessibility);
1431        mLidNavigationAccessibility = mContext.getResources().getInteger(
1432                com.android.internal.R.integer.config_lidNavigationAccessibility);
1433        mLidControlsSleep = mContext.getResources().getBoolean(
1434                com.android.internal.R.bool.config_lidControlsSleep);
1435        mTranslucentDecorEnabled = mContext.getResources().getBoolean(
1436                com.android.internal.R.bool.config_enableTranslucentDecor);
1437
1438        mAllowTheaterModeWakeFromKey = mContext.getResources().getBoolean(
1439                com.android.internal.R.bool.config_allowTheaterModeWakeFromKey);
1440        mAllowTheaterModeWakeFromPowerKey = mAllowTheaterModeWakeFromKey
1441                || mContext.getResources().getBoolean(
1442                    com.android.internal.R.bool.config_allowTheaterModeWakeFromPowerKey);
1443        mAllowTheaterModeWakeFromMotion = mContext.getResources().getBoolean(
1444                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotion);
1445        mAllowTheaterModeWakeFromMotionWhenNotDreaming = mContext.getResources().getBoolean(
1446                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotionWhenNotDreaming);
1447        mAllowTheaterModeWakeFromCameraLens = mContext.getResources().getBoolean(
1448                com.android.internal.R.bool.config_allowTheaterModeWakeFromCameraLens);
1449        mAllowTheaterModeWakeFromLidSwitch = mContext.getResources().getBoolean(
1450                com.android.internal.R.bool.config_allowTheaterModeWakeFromLidSwitch);
1451        mAllowTheaterModeWakeFromWakeGesture = mContext.getResources().getBoolean(
1452                com.android.internal.R.bool.config_allowTheaterModeWakeFromGesture);
1453
1454        mGoToSleepOnButtonPressTheaterMode = mContext.getResources().getBoolean(
1455                com.android.internal.R.bool.config_goToSleepOnButtonPressTheaterMode);
1456
1457        mSupportLongPressPowerWhenNonInteractive = mContext.getResources().getBoolean(
1458                com.android.internal.R.bool.config_supportLongPressPowerWhenNonInteractive);
1459
1460        mShortPressOnPowerBehavior = mContext.getResources().getInteger(
1461                com.android.internal.R.integer.config_shortPressOnPowerBehavior);
1462        mLongPressOnPowerBehavior = mContext.getResources().getInteger(
1463                com.android.internal.R.integer.config_longPressOnPowerBehavior);
1464        mDoublePressOnPowerBehavior = mContext.getResources().getInteger(
1465                com.android.internal.R.integer.config_doublePressOnPowerBehavior);
1466        mTriplePressOnPowerBehavior = mContext.getResources().getInteger(
1467                com.android.internal.R.integer.config_triplePressOnPowerBehavior);
1468        mShortPressOnSleepBehavior = mContext.getResources().getInteger(
1469                com.android.internal.R.integer.config_shortPressOnSleepBehavior);
1470
1471        mUseTvRouting = AudioSystem.getPlatformType(mContext) == AudioSystem.PLATFORM_TELEVISION;
1472
1473        readConfigurationDependentBehaviors();
1474
1475        mAccessibilityManager = (AccessibilityManager) context.getSystemService(
1476                Context.ACCESSIBILITY_SERVICE);
1477
1478        // register for dock events
1479        IntentFilter filter = new IntentFilter();
1480        filter.addAction(UiModeManager.ACTION_ENTER_CAR_MODE);
1481        filter.addAction(UiModeManager.ACTION_EXIT_CAR_MODE);
1482        filter.addAction(UiModeManager.ACTION_ENTER_DESK_MODE);
1483        filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
1484        filter.addAction(Intent.ACTION_DOCK_EVENT);
1485        Intent intent = context.registerReceiver(mDockReceiver, filter);
1486        if (intent != null) {
1487            // Retrieve current sticky dock event broadcast.
1488            mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
1489                    Intent.EXTRA_DOCK_STATE_UNDOCKED);
1490        }
1491
1492        // register for dream-related broadcasts
1493        filter = new IntentFilter();
1494        filter.addAction(Intent.ACTION_DREAMING_STARTED);
1495        filter.addAction(Intent.ACTION_DREAMING_STOPPED);
1496        context.registerReceiver(mDreamReceiver, filter);
1497
1498        // register for multiuser-relevant broadcasts
1499        filter = new IntentFilter(Intent.ACTION_USER_SWITCHED);
1500        context.registerReceiver(mMultiuserReceiver, filter);
1501
1502        // monitor for system gestures
1503        mSystemGestures = new SystemGesturesPointerEventListener(context,
1504                new SystemGesturesPointerEventListener.Callbacks() {
1505                    @Override
1506                    public void onSwipeFromTop() {
1507                        if (mStatusBar != null) {
1508                            requestTransientBars(mStatusBar);
1509                        }
1510                    }
1511                    @Override
1512                    public void onSwipeFromBottom() {
1513                        if (mNavigationBar != null && mNavigationBarOnBottom) {
1514                            requestTransientBars(mNavigationBar);
1515                        }
1516                    }
1517                    @Override
1518                    public void onSwipeFromRight() {
1519                        if (mNavigationBar != null && !mNavigationBarOnBottom) {
1520                            requestTransientBars(mNavigationBar);
1521                        }
1522                    }
1523                    @Override
1524                    public void onFling(int duration) {
1525                        if (mPowerManagerInternal != null) {
1526                            mPowerManagerInternal.powerHint(
1527                                    PowerManagerInternal.POWER_HINT_INTERACTION, duration);
1528                        }
1529                    }
1530                    @Override
1531                    public void onDebug() {
1532                        // no-op
1533                    }
1534                    @Override
1535                    public void onDown() {
1536                        mOrientationListener.onTouchStart();
1537                    }
1538                    @Override
1539                    public void onUpOrCancel() {
1540                        mOrientationListener.onTouchEnd();
1541                    }
1542                    @Override
1543                    public void onMouseHoverAtTop() {
1544                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1545                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
1546                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS;
1547                        mHandler.sendMessageDelayed(msg, 500);
1548                    }
1549                    @Override
1550                    public void onMouseHoverAtBottom() {
1551                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1552                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
1553                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION;
1554                        mHandler.sendMessageDelayed(msg, 500);
1555                    }
1556                    @Override
1557                    public void onMouseLeaveFromEdge() {
1558                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1559                    }
1560                });
1561        mImmersiveModeConfirmation = new ImmersiveModeConfirmation(mContext);
1562        mWindowManagerFuncs.registerPointerEventListener(mSystemGestures);
1563
1564        mVibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE);
1565        mLongPressVibePattern = getLongIntArray(mContext.getResources(),
1566                com.android.internal.R.array.config_longPressVibePattern);
1567        mVirtualKeyVibePattern = getLongIntArray(mContext.getResources(),
1568                com.android.internal.R.array.config_virtualKeyVibePattern);
1569        mKeyboardTapVibePattern = getLongIntArray(mContext.getResources(),
1570                com.android.internal.R.array.config_keyboardTapVibePattern);
1571        mClockTickVibePattern = getLongIntArray(mContext.getResources(),
1572                com.android.internal.R.array.config_clockTickVibePattern);
1573        mCalendarDateVibePattern = getLongIntArray(mContext.getResources(),
1574                com.android.internal.R.array.config_calendarDateVibePattern);
1575        mSafeModeDisabledVibePattern = getLongIntArray(mContext.getResources(),
1576                com.android.internal.R.array.config_safeModeDisabledVibePattern);
1577        mSafeModeEnabledVibePattern = getLongIntArray(mContext.getResources(),
1578                com.android.internal.R.array.config_safeModeEnabledVibePattern);
1579        mContextClickVibePattern = getLongIntArray(mContext.getResources(),
1580                com.android.internal.R.array.config_contextClickVibePattern);
1581
1582        mScreenshotChordEnabled = mContext.getResources().getBoolean(
1583                com.android.internal.R.bool.config_enableScreenshotChord);
1584
1585        mGlobalKeyManager = new GlobalKeyManager(mContext);
1586
1587        // Controls rotation and the like.
1588        initializeHdmiState();
1589
1590        // Match current screen state.
1591        if (!mPowerManager.isInteractive()) {
1592            startedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1593            finishedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1594        }
1595
1596        mWindowManagerInternal.registerAppTransitionListener(
1597                mStatusBarController.getAppTransitionListener());
1598    }
1599
1600    /**
1601     * Read values from config.xml that may be overridden depending on
1602     * the configuration of the device.
1603     * eg. Disable long press on home goes to recents on sw600dp.
1604     */
1605    private void readConfigurationDependentBehaviors() {
1606        mLongPressOnHomeBehavior = mContext.getResources().getInteger(
1607                com.android.internal.R.integer.config_longPressOnHomeBehavior);
1608        if (mLongPressOnHomeBehavior < LONG_PRESS_HOME_NOTHING ||
1609                mLongPressOnHomeBehavior > LONG_PRESS_HOME_ASSIST) {
1610            mLongPressOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1611        }
1612
1613        mDoubleTapOnHomeBehavior = mContext.getResources().getInteger(
1614                com.android.internal.R.integer.config_doubleTapOnHomeBehavior);
1615        if (mDoubleTapOnHomeBehavior < DOUBLE_TAP_HOME_NOTHING ||
1616                mDoubleTapOnHomeBehavior > DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1617            mDoubleTapOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1618        }
1619    }
1620
1621    @Override
1622    public void setInitialDisplaySize(Display display, int width, int height, int density) {
1623        // This method might be called before the policy has been fully initialized
1624        // or for other displays we don't care about.
1625        if (mContext == null || display.getDisplayId() != Display.DEFAULT_DISPLAY) {
1626            return;
1627        }
1628        mDisplay = display;
1629
1630        final Resources res = mContext.getResources();
1631        int shortSize, longSize;
1632        if (width > height) {
1633            shortSize = height;
1634            longSize = width;
1635            mLandscapeRotation = Surface.ROTATION_0;
1636            mSeascapeRotation = Surface.ROTATION_180;
1637            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1638                mPortraitRotation = Surface.ROTATION_90;
1639                mUpsideDownRotation = Surface.ROTATION_270;
1640            } else {
1641                mPortraitRotation = Surface.ROTATION_270;
1642                mUpsideDownRotation = Surface.ROTATION_90;
1643            }
1644        } else {
1645            shortSize = width;
1646            longSize = height;
1647            mPortraitRotation = Surface.ROTATION_0;
1648            mUpsideDownRotation = Surface.ROTATION_180;
1649            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1650                mLandscapeRotation = Surface.ROTATION_270;
1651                mSeascapeRotation = Surface.ROTATION_90;
1652            } else {
1653                mLandscapeRotation = Surface.ROTATION_90;
1654                mSeascapeRotation = Surface.ROTATION_270;
1655            }
1656        }
1657
1658        mStatusBarHeight =
1659                res.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
1660
1661        // Height of the navigation bar when presented horizontally at bottom
1662        mNavigationBarHeightForRotation[mPortraitRotation] =
1663        mNavigationBarHeightForRotation[mUpsideDownRotation] =
1664                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_height);
1665        mNavigationBarHeightForRotation[mLandscapeRotation] =
1666        mNavigationBarHeightForRotation[mSeascapeRotation] = res.getDimensionPixelSize(
1667                com.android.internal.R.dimen.navigation_bar_height_landscape);
1668
1669        // Width of the navigation bar when presented vertically along one side
1670        mNavigationBarWidthForRotation[mPortraitRotation] =
1671        mNavigationBarWidthForRotation[mUpsideDownRotation] =
1672        mNavigationBarWidthForRotation[mLandscapeRotation] =
1673        mNavigationBarWidthForRotation[mSeascapeRotation] =
1674                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_width);
1675
1676        // SystemUI (status bar) layout policy
1677        int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT / density;
1678        int longSizeDp = longSize * DisplayMetrics.DENSITY_DEFAULT / density;
1679
1680        // Allow the navigation bar to move on non-square small devices (phones).
1681        mNavigationBarCanMove = width != height && shortSizeDp < 600;
1682
1683        mHasNavigationBar = res.getBoolean(com.android.internal.R.bool.config_showNavigationBar);
1684        // Allow a system property to override this. Used by the emulator.
1685        // See also hasNavigationBar().
1686        String navBarOverride = SystemProperties.get("qemu.hw.mainkeys");
1687        if ("1".equals(navBarOverride)) {
1688            mHasNavigationBar = false;
1689        } else if ("0".equals(navBarOverride)) {
1690            mHasNavigationBar = true;
1691        }
1692
1693        // For demo purposes, allow the rotation of the HDMI display to be controlled.
1694        // By default, HDMI locks rotation to landscape.
1695        if ("portrait".equals(SystemProperties.get("persist.demo.hdmirotation"))) {
1696            mDemoHdmiRotation = mPortraitRotation;
1697        } else {
1698            mDemoHdmiRotation = mLandscapeRotation;
1699        }
1700        mDemoHdmiRotationLock = SystemProperties.getBoolean("persist.demo.hdmirotationlock", false);
1701
1702        // For demo purposes, allow the rotation of the remote display to be controlled.
1703        // By default, remote display locks rotation to landscape.
1704        if ("portrait".equals(SystemProperties.get("persist.demo.remoterotation"))) {
1705            mDemoRotation = mPortraitRotation;
1706        } else {
1707            mDemoRotation = mLandscapeRotation;
1708        }
1709        mDemoRotationLock = SystemProperties.getBoolean(
1710                "persist.demo.rotationlock", false);
1711
1712        // Only force the default orientation if the screen is xlarge, at least 960dp x 720dp, per
1713        // http://developer.android.com/guide/practices/screens_support.html#range
1714        mForceDefaultOrientation = longSizeDp >= 960 && shortSizeDp >= 720 &&
1715                res.getBoolean(com.android.internal.R.bool.config_forceDefaultOrientation) &&
1716                // For debug purposes the next line turns this feature off with:
1717                // $ adb shell setprop config.override_forced_orient true
1718                // $ adb shell wm size reset
1719                !"true".equals(SystemProperties.get("config.override_forced_orient"));
1720    }
1721
1722    /**
1723     * @return whether the navigation bar can be hidden, e.g. the device has a
1724     *         navigation bar and touch exploration is not enabled
1725     */
1726    private boolean canHideNavigationBar() {
1727        return mHasNavigationBar;
1728    }
1729
1730    @Override
1731    public boolean isDefaultOrientationForced() {
1732        return mForceDefaultOrientation;
1733    }
1734
1735    @Override
1736    public void setDisplayOverscan(Display display, int left, int top, int right, int bottom) {
1737        if (display.getDisplayId() == Display.DEFAULT_DISPLAY) {
1738            mOverscanLeft = left;
1739            mOverscanTop = top;
1740            mOverscanRight = right;
1741            mOverscanBottom = bottom;
1742        }
1743    }
1744
1745    public void updateSettings() {
1746        ContentResolver resolver = mContext.getContentResolver();
1747        boolean updateRotation = false;
1748        synchronized (mLock) {
1749            mEndcallBehavior = Settings.System.getIntForUser(resolver,
1750                    Settings.System.END_BUTTON_BEHAVIOR,
1751                    Settings.System.END_BUTTON_BEHAVIOR_DEFAULT,
1752                    UserHandle.USER_CURRENT);
1753            mIncallPowerBehavior = Settings.Secure.getIntForUser(resolver,
1754                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
1755                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT,
1756                    UserHandle.USER_CURRENT);
1757
1758            // Configure wake gesture.
1759            boolean wakeGestureEnabledSetting = Settings.Secure.getIntForUser(resolver,
1760                    Settings.Secure.WAKE_GESTURE_ENABLED, 0,
1761                    UserHandle.USER_CURRENT) != 0;
1762            if (mWakeGestureEnabledSetting != wakeGestureEnabledSetting) {
1763                mWakeGestureEnabledSetting = wakeGestureEnabledSetting;
1764                updateWakeGestureListenerLp();
1765            }
1766
1767            // Configure rotation lock.
1768            int userRotation = Settings.System.getIntForUser(resolver,
1769                    Settings.System.USER_ROTATION, Surface.ROTATION_0,
1770                    UserHandle.USER_CURRENT);
1771            if (mUserRotation != userRotation) {
1772                mUserRotation = userRotation;
1773                updateRotation = true;
1774            }
1775            int userRotationMode = Settings.System.getIntForUser(resolver,
1776                    Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
1777                            WindowManagerPolicy.USER_ROTATION_FREE :
1778                                    WindowManagerPolicy.USER_ROTATION_LOCKED;
1779            if (mUserRotationMode != userRotationMode) {
1780                mUserRotationMode = userRotationMode;
1781                updateRotation = true;
1782                updateOrientationListenerLp();
1783            }
1784
1785            if (mSystemReady) {
1786                int pointerLocation = Settings.System.getIntForUser(resolver,
1787                        Settings.System.POINTER_LOCATION, 0, UserHandle.USER_CURRENT);
1788                if (mPointerLocationMode != pointerLocation) {
1789                    mPointerLocationMode = pointerLocation;
1790                    mHandler.sendEmptyMessage(pointerLocation != 0 ?
1791                            MSG_ENABLE_POINTER_LOCATION : MSG_DISABLE_POINTER_LOCATION);
1792                }
1793            }
1794            // use screen off timeout setting as the timeout for the lockscreen
1795            mLockScreenTimeout = Settings.System.getIntForUser(resolver,
1796                    Settings.System.SCREEN_OFF_TIMEOUT, 0, UserHandle.USER_CURRENT);
1797            String imId = Settings.Secure.getStringForUser(resolver,
1798                    Settings.Secure.DEFAULT_INPUT_METHOD, UserHandle.USER_CURRENT);
1799            boolean hasSoftInput = imId != null && imId.length() > 0;
1800            if (mHasSoftInput != hasSoftInput) {
1801                mHasSoftInput = hasSoftInput;
1802                updateRotation = true;
1803            }
1804            if (mImmersiveModeConfirmation != null) {
1805                mImmersiveModeConfirmation.loadSetting(mCurrentUserId);
1806            }
1807        }
1808        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
1809            PolicyControl.reloadFromSetting(mContext);
1810        }
1811        if (updateRotation) {
1812            updateRotation(true);
1813        }
1814    }
1815
1816    private void updateWakeGestureListenerLp() {
1817        if (shouldEnableWakeGestureLp()) {
1818            mWakeGestureListener.requestWakeUpTrigger();
1819        } else {
1820            mWakeGestureListener.cancelWakeUpTrigger();
1821        }
1822    }
1823
1824    private boolean shouldEnableWakeGestureLp() {
1825        return mWakeGestureEnabledSetting && !mAwake
1826                && (!mLidControlsSleep || mLidState != LID_CLOSED)
1827                && mWakeGestureListener.isSupported();
1828    }
1829
1830    private void enablePointerLocation() {
1831        if (mPointerLocationView == null) {
1832            mPointerLocationView = new PointerLocationView(mContext);
1833            mPointerLocationView.setPrintCoords(false);
1834            WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
1835                    WindowManager.LayoutParams.MATCH_PARENT,
1836                    WindowManager.LayoutParams.MATCH_PARENT);
1837            lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
1838            lp.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN
1839                    | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
1840                    | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
1841                    | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
1842            if (ActivityManager.isHighEndGfx()) {
1843                lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
1844                lp.privateFlags |=
1845                        WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED;
1846            }
1847            lp.format = PixelFormat.TRANSLUCENT;
1848            lp.setTitle("PointerLocation");
1849            WindowManager wm = (WindowManager)
1850                    mContext.getSystemService(Context.WINDOW_SERVICE);
1851            lp.inputFeatures |= WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL;
1852            wm.addView(mPointerLocationView, lp);
1853            mWindowManagerFuncs.registerPointerEventListener(mPointerLocationView);
1854        }
1855    }
1856
1857    private void disablePointerLocation() {
1858        if (mPointerLocationView != null) {
1859            mWindowManagerFuncs.unregisterPointerEventListener(mPointerLocationView);
1860            WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
1861            wm.removeView(mPointerLocationView);
1862            mPointerLocationView = null;
1863        }
1864    }
1865
1866    private int readRotation(int resID) {
1867        try {
1868            int rotation = mContext.getResources().getInteger(resID);
1869            switch (rotation) {
1870                case 0:
1871                    return Surface.ROTATION_0;
1872                case 90:
1873                    return Surface.ROTATION_90;
1874                case 180:
1875                    return Surface.ROTATION_180;
1876                case 270:
1877                    return Surface.ROTATION_270;
1878            }
1879        } catch (Resources.NotFoundException e) {
1880            // fall through
1881        }
1882        return -1;
1883    }
1884
1885    /** {@inheritDoc} */
1886    @Override
1887    public int checkAddPermission(WindowManager.LayoutParams attrs, int[] outAppOp) {
1888        int type = attrs.type;
1889
1890        outAppOp[0] = AppOpsManager.OP_NONE;
1891
1892        if (!((type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW)
1893                || (type >= FIRST_SUB_WINDOW && type <= LAST_SUB_WINDOW)
1894                || (type >= FIRST_SYSTEM_WINDOW && type <= LAST_SYSTEM_WINDOW))) {
1895            return WindowManagerGlobal.ADD_INVALID_TYPE;
1896        }
1897
1898        if (type < FIRST_SYSTEM_WINDOW || type > LAST_SYSTEM_WINDOW) {
1899            // Window manager will make sure these are okay.
1900            return WindowManagerGlobal.ADD_OKAY;
1901        }
1902        String permission = null;
1903        switch (type) {
1904            case TYPE_TOAST:
1905                // XXX right now the app process has complete control over
1906                // this...  should introduce a token to let the system
1907                // monitor/control what they are doing.
1908                outAppOp[0] = AppOpsManager.OP_TOAST_WINDOW;
1909                break;
1910            case TYPE_DREAM:
1911            case TYPE_INPUT_METHOD:
1912            case TYPE_WALLPAPER:
1913            case TYPE_PRIVATE_PRESENTATION:
1914            case TYPE_VOICE_INTERACTION:
1915            case TYPE_ACCESSIBILITY_OVERLAY:
1916                // The window manager will check these.
1917                break;
1918            case TYPE_PHONE:
1919            case TYPE_PRIORITY_PHONE:
1920            case TYPE_SYSTEM_ALERT:
1921            case TYPE_SYSTEM_ERROR:
1922            case TYPE_SYSTEM_OVERLAY:
1923                permission = android.Manifest.permission.SYSTEM_ALERT_WINDOW;
1924                outAppOp[0] = AppOpsManager.OP_SYSTEM_ALERT_WINDOW;
1925                break;
1926            default:
1927                permission = android.Manifest.permission.INTERNAL_SYSTEM_WINDOW;
1928        }
1929        if (permission != null) {
1930            if (permission == android.Manifest.permission.SYSTEM_ALERT_WINDOW) {
1931                final int callingUid = Binder.getCallingUid();
1932                // system processes will be automatically allowed privilege to draw
1933                if (callingUid == Process.SYSTEM_UID) {
1934                    return WindowManagerGlobal.ADD_OKAY;
1935                }
1936
1937                // check if user has enabled this operation. SecurityException will be thrown if
1938                // this app has not been allowed by the user
1939                final int mode = mAppOpsManager.checkOp(outAppOp[0], callingUid,
1940                        attrs.packageName);
1941                switch (mode) {
1942                    case AppOpsManager.MODE_ALLOWED:
1943                    case AppOpsManager.MODE_IGNORED:
1944                        // although we return ADD_OKAY for MODE_IGNORED, the added window will
1945                        // actually be hidden in WindowManagerService
1946                        return WindowManagerGlobal.ADD_OKAY;
1947                    case AppOpsManager.MODE_ERRORED:
1948                        return WindowManagerGlobal.ADD_PERMISSION_DENIED;
1949                    default:
1950                        // in the default mode, we will make a decision here based on
1951                        // checkCallingPermission()
1952                        if (mContext.checkCallingPermission(permission) !=
1953                                PackageManager.PERMISSION_GRANTED) {
1954                            return WindowManagerGlobal.ADD_PERMISSION_DENIED;
1955                        } else {
1956                            return WindowManagerGlobal.ADD_OKAY;
1957                        }
1958                }
1959            }
1960
1961            if (mContext.checkCallingOrSelfPermission(permission)
1962                    != PackageManager.PERMISSION_GRANTED) {
1963                return WindowManagerGlobal.ADD_PERMISSION_DENIED;
1964            }
1965        }
1966        return WindowManagerGlobal.ADD_OKAY;
1967    }
1968
1969    @Override
1970    public boolean checkShowToOwnerOnly(WindowManager.LayoutParams attrs) {
1971
1972        // If this switch statement is modified, modify the comment in the declarations of
1973        // the type in {@link WindowManager.LayoutParams} as well.
1974        switch (attrs.type) {
1975            default:
1976                // These are the windows that by default are shown only to the user that created
1977                // them. If this needs to be overridden, set
1978                // {@link WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS} in
1979                // {@link WindowManager.LayoutParams}. Note that permission
1980                // {@link android.Manifest.permission.INTERNAL_SYSTEM_WINDOW} is required as well.
1981                if ((attrs.privateFlags & PRIVATE_FLAG_SHOW_FOR_ALL_USERS) == 0) {
1982                    return true;
1983                }
1984                break;
1985
1986            // These are the windows that by default are shown to all users. However, to
1987            // protect against spoofing, check permissions below.
1988            case TYPE_APPLICATION_STARTING:
1989            case TYPE_BOOT_PROGRESS:
1990            case TYPE_DISPLAY_OVERLAY:
1991            case TYPE_INPUT_CONSUMER:
1992            case TYPE_KEYGUARD_SCRIM:
1993            case TYPE_KEYGUARD_DIALOG:
1994            case TYPE_MAGNIFICATION_OVERLAY:
1995            case TYPE_NAVIGATION_BAR:
1996            case TYPE_NAVIGATION_BAR_PANEL:
1997            case TYPE_PHONE:
1998            case TYPE_POINTER:
1999            case TYPE_PRIORITY_PHONE:
2000            case TYPE_SEARCH_BAR:
2001            case TYPE_STATUS_BAR:
2002            case TYPE_STATUS_BAR_PANEL:
2003            case TYPE_STATUS_BAR_SUB_PANEL:
2004            case TYPE_SYSTEM_DIALOG:
2005            case TYPE_VOLUME_OVERLAY:
2006            case TYPE_PRIVATE_PRESENTATION:
2007                break;
2008        }
2009
2010        // Check if third party app has set window to system window type.
2011        return mContext.checkCallingOrSelfPermission(
2012                android.Manifest.permission.INTERNAL_SYSTEM_WINDOW)
2013                        != PackageManager.PERMISSION_GRANTED;
2014    }
2015
2016    @Override
2017    public void adjustWindowParamsLw(WindowManager.LayoutParams attrs) {
2018        switch (attrs.type) {
2019            case TYPE_SYSTEM_OVERLAY:
2020            case TYPE_SECURE_SYSTEM_OVERLAY:
2021                // These types of windows can't receive input events.
2022                attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
2023                        | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
2024                attrs.flags &= ~WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
2025                break;
2026            case TYPE_STATUS_BAR:
2027
2028                // If the Keyguard is in a hidden state (occluded by another window), we force to
2029                // remove the wallpaper and keyguard flag so that any change in-flight after setting
2030                // the keyguard as occluded wouldn't set these flags again.
2031                // See {@link #processKeyguardSetHiddenResultLw}.
2032                if (mKeyguardHidden) {
2033                    attrs.flags &= ~WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
2034                    attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2035                }
2036                break;
2037        }
2038
2039        if (attrs.type != TYPE_STATUS_BAR) {
2040            // The status bar is the only window allowed to exhibit keyguard behavior.
2041            attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2042        }
2043
2044        if (ActivityManager.isHighEndGfx()
2045                && (attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0) {
2046            attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
2047                    | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
2048        }
2049    }
2050
2051    void readLidState() {
2052        mLidState = mWindowManagerFuncs.getLidState();
2053    }
2054
2055    private void readCameraLensCoverState() {
2056        mCameraLensCoverState = mWindowManagerFuncs.getCameraLensCoverState();
2057    }
2058
2059    private boolean isHidden(int accessibilityMode) {
2060        switch (accessibilityMode) {
2061            case 1:
2062                return mLidState == LID_CLOSED;
2063            case 2:
2064                return mLidState == LID_OPEN;
2065            default:
2066                return false;
2067        }
2068    }
2069
2070    /** {@inheritDoc} */
2071    @Override
2072    public void adjustConfigurationLw(Configuration config, int keyboardPresence,
2073            int navigationPresence) {
2074        mHaveBuiltInKeyboard = (keyboardPresence & PRESENCE_INTERNAL) != 0;
2075
2076        readConfigurationDependentBehaviors();
2077        readLidState();
2078        applyLidSwitchState();
2079
2080        if (config.keyboard == Configuration.KEYBOARD_NOKEYS
2081                || (keyboardPresence == PRESENCE_INTERNAL
2082                        && isHidden(mLidKeyboardAccessibility))) {
2083            config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_YES;
2084            if (!mHasSoftInput) {
2085                config.keyboardHidden = Configuration.KEYBOARDHIDDEN_YES;
2086            }
2087        }
2088
2089        if (config.navigation == Configuration.NAVIGATION_NONAV
2090                || (navigationPresence == PRESENCE_INTERNAL
2091                        && isHidden(mLidNavigationAccessibility))) {
2092            config.navigationHidden = Configuration.NAVIGATIONHIDDEN_YES;
2093        }
2094    }
2095
2096    /** {@inheritDoc} */
2097    @Override
2098    public int windowTypeToLayerLw(int type) {
2099        if (type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW) {
2100            return 2;
2101        }
2102        switch (type) {
2103        case TYPE_PRIVATE_PRESENTATION:
2104            return 2;
2105        case TYPE_WALLPAPER:
2106            // wallpaper is at the bottom, though the window manager may move it.
2107            return 2;
2108        case TYPE_PHONE:
2109            return 3;
2110        case TYPE_SEARCH_BAR:
2111        case TYPE_VOICE_INTERACTION_STARTING:
2112            return 4;
2113        case TYPE_VOICE_INTERACTION:
2114            // voice interaction layer is almost immediately above apps.
2115            return 5;
2116        case TYPE_INPUT_CONSUMER:
2117            return 6;
2118        case TYPE_SYSTEM_DIALOG:
2119            return 7;
2120        case TYPE_TOAST:
2121            // toasts and the plugged-in battery thing
2122            return 8;
2123        case TYPE_PRIORITY_PHONE:
2124            // SIM errors and unlock.  Not sure if this really should be in a high layer.
2125            return 9;
2126        case TYPE_DREAM:
2127            // used for Dreams (screensavers with TYPE_DREAM windows)
2128            return 10;
2129        case TYPE_SYSTEM_ALERT:
2130            // like the ANR / app crashed dialogs
2131            return 11;
2132        case TYPE_INPUT_METHOD:
2133            // on-screen keyboards and other such input method user interfaces go here.
2134            return 12;
2135        case TYPE_INPUT_METHOD_DIALOG:
2136            // on-screen keyboards and other such input method user interfaces go here.
2137            return 13;
2138        case TYPE_KEYGUARD_SCRIM:
2139            // the safety window that shows behind keyguard while keyguard is starting
2140            return 14;
2141        case TYPE_STATUS_BAR_SUB_PANEL:
2142            return 15;
2143        case TYPE_STATUS_BAR:
2144            return 16;
2145        case TYPE_STATUS_BAR_PANEL:
2146            return 17;
2147        case TYPE_KEYGUARD_DIALOG:
2148            return 18;
2149        case TYPE_VOLUME_OVERLAY:
2150            // the on-screen volume indicator and controller shown when the user
2151            // changes the device volume
2152            return 19;
2153        case TYPE_SYSTEM_OVERLAY:
2154            // the on-screen volume indicator and controller shown when the user
2155            // changes the device volume
2156            return 20;
2157        case TYPE_NAVIGATION_BAR:
2158            // the navigation bar, if available, shows atop most things
2159            return 21;
2160        case TYPE_NAVIGATION_BAR_PANEL:
2161            // some panels (e.g. search) need to show on top of the navigation bar
2162            return 22;
2163        case TYPE_SYSTEM_ERROR:
2164            // system-level error dialogs
2165            return 23;
2166        case TYPE_MAGNIFICATION_OVERLAY:
2167            // used to highlight the magnified portion of a display
2168            return 24;
2169        case TYPE_DISPLAY_OVERLAY:
2170            // used to simulate secondary display devices
2171            return 25;
2172        case TYPE_DRAG:
2173            // the drag layer: input for drag-and-drop is associated with this window,
2174            // which sits above all other focusable windows
2175            return 26;
2176        case TYPE_ACCESSIBILITY_OVERLAY:
2177            // overlay put by accessibility services to intercept user interaction
2178            return 27;
2179        case TYPE_SECURE_SYSTEM_OVERLAY:
2180            return 28;
2181        case TYPE_BOOT_PROGRESS:
2182            return 29;
2183        case TYPE_POINTER:
2184            // the (mouse) pointer layer
2185            return 30;
2186        }
2187        Log.e(TAG, "Unknown window type: " + type);
2188        return 2;
2189    }
2190
2191    /** {@inheritDoc} */
2192    @Override
2193    public int subWindowTypeToLayerLw(int type) {
2194        switch (type) {
2195        case TYPE_APPLICATION_PANEL:
2196        case TYPE_APPLICATION_ATTACHED_DIALOG:
2197            return APPLICATION_PANEL_SUBLAYER;
2198        case TYPE_APPLICATION_MEDIA:
2199            return APPLICATION_MEDIA_SUBLAYER;
2200        case TYPE_APPLICATION_MEDIA_OVERLAY:
2201            return APPLICATION_MEDIA_OVERLAY_SUBLAYER;
2202        case TYPE_APPLICATION_SUB_PANEL:
2203            return APPLICATION_SUB_PANEL_SUBLAYER;
2204        case TYPE_APPLICATION_ABOVE_SUB_PANEL:
2205            return APPLICATION_ABOVE_SUB_PANEL_SUBLAYER;
2206        }
2207        Log.e(TAG, "Unknown sub-window type: " + type);
2208        return 0;
2209    }
2210
2211    @Override
2212    public int getMaxWallpaperLayer() {
2213        return windowTypeToLayerLw(TYPE_STATUS_BAR);
2214    }
2215
2216    @Override
2217    public int getNonDecorDisplayWidth(int fullWidth, int fullHeight, int rotation) {
2218        if (mHasNavigationBar) {
2219            // For a basic navigation bar, when we are in landscape mode we place
2220            // the navigation bar to the side.
2221            if (mNavigationBarCanMove && fullWidth > fullHeight) {
2222                return fullWidth - mNavigationBarWidthForRotation[rotation];
2223            }
2224        }
2225        return fullWidth;
2226    }
2227
2228    @Override
2229    public int getNonDecorDisplayHeight(int fullWidth, int fullHeight, int rotation) {
2230        if (mHasNavigationBar) {
2231            // For a basic navigation bar, when we are in portrait mode we place
2232            // the navigation bar to the bottom.
2233            if (!mNavigationBarCanMove || fullWidth < fullHeight) {
2234                return fullHeight - mNavigationBarHeightForRotation[rotation];
2235            }
2236        }
2237        return fullHeight;
2238    }
2239
2240    @Override
2241    public int getConfigDisplayWidth(int fullWidth, int fullHeight, int rotation) {
2242        return getNonDecorDisplayWidth(fullWidth, fullHeight, rotation);
2243    }
2244
2245    @Override
2246    public int getConfigDisplayHeight(int fullWidth, int fullHeight, int rotation) {
2247        // There is a separate status bar at the top of the display.  We don't count that as part
2248        // of the fixed decor, since it can hide; however, for purposes of configurations,
2249        // we do want to exclude it since applications can't generally use that part
2250        // of the screen.
2251        return getNonDecorDisplayHeight(fullWidth, fullHeight, rotation) - mStatusBarHeight;
2252    }
2253
2254    @Override
2255    public boolean isForceHiding(WindowManager.LayoutParams attrs) {
2256        return (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 ||
2257                (isKeyguardHostWindow(attrs) &&
2258                        (mKeyguardDelegate != null && mKeyguardDelegate.isShowing())) ||
2259                (attrs.type == TYPE_KEYGUARD_SCRIM);
2260    }
2261
2262    @Override
2263    public boolean isKeyguardHostWindow(WindowManager.LayoutParams attrs) {
2264        return attrs.type == TYPE_STATUS_BAR;
2265    }
2266
2267    @Override
2268    public boolean canBeForceHidden(WindowState win, WindowManager.LayoutParams attrs) {
2269        switch (attrs.type) {
2270            case TYPE_STATUS_BAR:
2271            case TYPE_NAVIGATION_BAR:
2272            case TYPE_WALLPAPER:
2273            case TYPE_DREAM:
2274            case TYPE_KEYGUARD_SCRIM:
2275                return false;
2276            default:
2277                // Hide only windows below the keyguard host window.
2278                return windowTypeToLayerLw(win.getBaseType())
2279                        < windowTypeToLayerLw(TYPE_STATUS_BAR);
2280        }
2281    }
2282
2283    @Override
2284    public WindowState getWinShowWhenLockedLw() {
2285        return mWinShowWhenLocked;
2286    }
2287
2288    /** {@inheritDoc} */
2289    @Override
2290    public View addStartingWindow(IBinder appToken, String packageName, int theme,
2291            CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes,
2292            int icon, int logo, int windowFlags) {
2293        if (!SHOW_STARTING_ANIMATIONS) {
2294            return null;
2295        }
2296        if (packageName == null) {
2297            return null;
2298        }
2299
2300        WindowManager wm = null;
2301        View view = null;
2302
2303        try {
2304            Context context = mContext;
2305            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow " + packageName
2306                    + ": nonLocalizedLabel=" + nonLocalizedLabel + " theme="
2307                    + Integer.toHexString(theme));
2308            if (theme != context.getThemeResId() || labelRes != 0) {
2309                try {
2310                    context = context.createPackageContext(packageName, 0);
2311                    context.setTheme(theme);
2312                } catch (PackageManager.NameNotFoundException e) {
2313                    // Ignore
2314                }
2315            }
2316
2317            PhoneWindow win = new PhoneWindow(context);
2318            win.setIsStartingWindow(true);
2319
2320            Resources r = context.getResources();
2321            win.setTitle(r.getText(labelRes, nonLocalizedLabel));
2322
2323            win.setType(
2324                WindowManager.LayoutParams.TYPE_APPLICATION_STARTING);
2325
2326            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
2327                // Assumes it's safe to show starting windows of launched apps while
2328                // the keyguard is being hidden. This is okay because starting windows never show
2329                // secret information.
2330                if (mKeyguardHidden) {
2331                    windowFlags |= FLAG_SHOW_WHEN_LOCKED;
2332                }
2333            }
2334
2335            // Force the window flags: this is a fake window, so it is not really
2336            // touchable or focusable by the user.  We also add in the ALT_FOCUSABLE_IM
2337            // flag because we do know that the next window will take input
2338            // focus, so we want to get the IME window up on top of us right away.
2339            win.setFlags(
2340                windowFlags|
2341                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2342                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2343                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
2344                windowFlags|
2345                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2346                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2347                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
2348
2349            win.setDefaultIcon(icon);
2350            win.setDefaultLogo(logo);
2351
2352            win.setLayout(WindowManager.LayoutParams.MATCH_PARENT,
2353                    WindowManager.LayoutParams.MATCH_PARENT);
2354
2355            final WindowManager.LayoutParams params = win.getAttributes();
2356            params.token = appToken;
2357            params.packageName = packageName;
2358            params.windowAnimations = win.getWindowStyle().getResourceId(
2359                    com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
2360            params.privateFlags |=
2361                    WindowManager.LayoutParams.PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED;
2362            params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
2363
2364            if (!compatInfo.supportsScreen()) {
2365                params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW;
2366            }
2367
2368            params.setTitle("Starting " + packageName);
2369
2370            wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
2371            view = win.getDecorView();
2372
2373            if (DEBUG_STARTING_WINDOW) Slog.d(
2374                TAG, "Adding starting window for " + packageName
2375                + " / " + appToken + ": "
2376                + (view.getParent() != null ? view : null));
2377
2378            wm.addView(view, params);
2379
2380            // Only return the view if it was successfully added to the
2381            // window manager... which we can tell by it having a parent.
2382            return view.getParent() != null ? view : null;
2383        } catch (WindowManager.BadTokenException e) {
2384            // ignore
2385            Log.w(TAG, appToken + " already running, starting window not displayed. " +
2386                    e.getMessage());
2387        } catch (RuntimeException e) {
2388            // don't crash if something else bad happens, for example a
2389            // failure loading resources because we are loading from an app
2390            // on external storage that has been unmounted.
2391            Log.w(TAG, appToken + " failed creating starting window", e);
2392        } finally {
2393            if (view != null && view.getParent() == null) {
2394                Log.w(TAG, "view not successfully added to wm, removing view");
2395                wm.removeViewImmediate(view);
2396            }
2397        }
2398
2399        return null;
2400    }
2401
2402    /** {@inheritDoc} */
2403    @Override
2404    public void removeStartingWindow(IBinder appToken, View window) {
2405        if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Removing starting window for " + appToken + ": "
2406                + window + " Callers=" + Debug.getCallers(4));
2407
2408        if (window != null) {
2409            WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
2410            wm.removeView(window);
2411        }
2412    }
2413
2414    /**
2415     * Preflight adding a window to the system.
2416     *
2417     * Currently enforces that three window types are singletons:
2418     * <ul>
2419     * <li>STATUS_BAR_TYPE</li>
2420     * <li>KEYGUARD_TYPE</li>
2421     * </ul>
2422     *
2423     * @param win The window to be added
2424     * @param attrs Information about the window to be added
2425     *
2426     * @return If ok, WindowManagerImpl.ADD_OKAY.  If too many singletons,
2427     * WindowManagerImpl.ADD_MULTIPLE_SINGLETON
2428     */
2429    @Override
2430    public int prepareAddWindowLw(WindowState win, WindowManager.LayoutParams attrs) {
2431        switch (attrs.type) {
2432            case TYPE_STATUS_BAR:
2433                mContext.enforceCallingOrSelfPermission(
2434                        android.Manifest.permission.STATUS_BAR_SERVICE,
2435                        "PhoneWindowManager");
2436                if (mStatusBar != null) {
2437                    if (mStatusBar.isAlive()) {
2438                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2439                    }
2440                }
2441                mStatusBar = win;
2442                mStatusBarController.setWindow(win);
2443                break;
2444            case TYPE_NAVIGATION_BAR:
2445                mContext.enforceCallingOrSelfPermission(
2446                        android.Manifest.permission.STATUS_BAR_SERVICE,
2447                        "PhoneWindowManager");
2448                if (mNavigationBar != null) {
2449                    if (mNavigationBar.isAlive()) {
2450                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2451                    }
2452                }
2453                mNavigationBar = win;
2454                mNavigationBarController.setWindow(win);
2455                if (DEBUG_LAYOUT) Slog.i(TAG, "NAVIGATION BAR: " + mNavigationBar);
2456                break;
2457            case TYPE_NAVIGATION_BAR_PANEL:
2458            case TYPE_STATUS_BAR_PANEL:
2459            case TYPE_STATUS_BAR_SUB_PANEL:
2460            case TYPE_VOICE_INTERACTION_STARTING:
2461                mContext.enforceCallingOrSelfPermission(
2462                        android.Manifest.permission.STATUS_BAR_SERVICE,
2463                        "PhoneWindowManager");
2464                break;
2465            case TYPE_KEYGUARD_SCRIM:
2466                if (mKeyguardScrim != null) {
2467                    return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2468                }
2469                mKeyguardScrim = win;
2470                break;
2471        }
2472        return WindowManagerGlobal.ADD_OKAY;
2473    }
2474
2475    /** {@inheritDoc} */
2476    @Override
2477    public void removeWindowLw(WindowState win) {
2478        if (mStatusBar == win) {
2479            mStatusBar = null;
2480            mStatusBarController.setWindow(null);
2481            mKeyguardDelegate.showScrim();
2482        } else if (mKeyguardScrim == win) {
2483            Log.v(TAG, "Removing keyguard scrim");
2484            mKeyguardScrim = null;
2485        } if (mNavigationBar == win) {
2486            mNavigationBar = null;
2487            mNavigationBarController.setWindow(null);
2488        }
2489    }
2490
2491    static final boolean PRINT_ANIM = false;
2492
2493    /** {@inheritDoc} */
2494    @Override
2495    public int selectAnimationLw(WindowState win, int transit) {
2496        if (PRINT_ANIM) Log.i(TAG, "selectAnimation in " + win
2497              + ": transit=" + transit);
2498        if (win == mStatusBar) {
2499            boolean isKeyguard = (win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
2500            if (transit == TRANSIT_EXIT
2501                    || transit == TRANSIT_HIDE) {
2502                return isKeyguard ? -1 : R.anim.dock_top_exit;
2503            } else if (transit == TRANSIT_ENTER
2504                    || transit == TRANSIT_SHOW) {
2505                return isKeyguard ? -1 : R.anim.dock_top_enter;
2506            }
2507        } else if (win == mNavigationBar) {
2508            if (win.getAttrs().windowAnimations != 0) {
2509                return 0;
2510            }
2511            // This can be on either the bottom or the right.
2512            if (mNavigationBarOnBottom) {
2513                if (transit == TRANSIT_EXIT
2514                        || transit == TRANSIT_HIDE) {
2515                    return R.anim.dock_bottom_exit;
2516                } else if (transit == TRANSIT_ENTER
2517                        || transit == TRANSIT_SHOW) {
2518                    return R.anim.dock_bottom_enter;
2519                }
2520            } else {
2521                if (transit == TRANSIT_EXIT
2522                        || transit == TRANSIT_HIDE) {
2523                    return R.anim.dock_right_exit;
2524                } else if (transit == TRANSIT_ENTER
2525                        || transit == TRANSIT_SHOW) {
2526                    return R.anim.dock_right_enter;
2527                }
2528            }
2529        }
2530
2531        if (transit == TRANSIT_PREVIEW_DONE) {
2532            if (win.hasAppShownWindows()) {
2533                if (PRINT_ANIM) Log.i(TAG, "**** STARTING EXIT");
2534                return com.android.internal.R.anim.app_starting_exit;
2535            }
2536        } else if (win.getAttrs().type == TYPE_DREAM && mDreamingLockscreen
2537                && transit == TRANSIT_ENTER) {
2538            // Special case: we are animating in a dream, while the keyguard
2539            // is shown.  We don't want an animation on the dream, because
2540            // we need it shown immediately with the keyguard animating away
2541            // to reveal it.
2542            return -1;
2543        }
2544
2545        return 0;
2546    }
2547
2548    @Override
2549    public void selectRotationAnimationLw(int anim[]) {
2550        if (PRINT_ANIM) Slog.i(TAG, "selectRotationAnimation mTopFullscreen="
2551                + mTopFullscreenOpaqueWindowState + " rotationAnimation="
2552                + (mTopFullscreenOpaqueWindowState == null ?
2553                        "0" : mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation));
2554        if (mTopFullscreenOpaqueWindowState != null && mTopIsFullscreen) {
2555            switch (mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation) {
2556                case ROTATION_ANIMATION_CROSSFADE:
2557                    anim[0] = R.anim.rotation_animation_xfade_exit;
2558                    anim[1] = R.anim.rotation_animation_enter;
2559                    break;
2560                case ROTATION_ANIMATION_JUMPCUT:
2561                    anim[0] = R.anim.rotation_animation_jump_exit;
2562                    anim[1] = R.anim.rotation_animation_enter;
2563                    break;
2564                case ROTATION_ANIMATION_ROTATE:
2565                default:
2566                    anim[0] = anim[1] = 0;
2567                    break;
2568            }
2569        } else {
2570            anim[0] = anim[1] = 0;
2571        }
2572    }
2573
2574    @Override
2575    public boolean validateRotationAnimationLw(int exitAnimId, int enterAnimId,
2576            boolean forceDefault) {
2577        switch (exitAnimId) {
2578            case R.anim.rotation_animation_xfade_exit:
2579            case R.anim.rotation_animation_jump_exit:
2580                // These are the only cases that matter.
2581                if (forceDefault) {
2582                    return false;
2583                }
2584                int anim[] = new int[2];
2585                selectRotationAnimationLw(anim);
2586                return (exitAnimId == anim[0] && enterAnimId == anim[1]);
2587            default:
2588                return true;
2589        }
2590    }
2591
2592    @Override
2593    public Animation createForceHideEnterAnimation(boolean onWallpaper,
2594            boolean goingToNotificationShade) {
2595        if (goingToNotificationShade) {
2596            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_behind_enter_fade_in);
2597        }
2598
2599        AnimationSet set = (AnimationSet) AnimationUtils.loadAnimation(mContext, onWallpaper ?
2600                    R.anim.lock_screen_behind_enter_wallpaper :
2601                    R.anim.lock_screen_behind_enter);
2602
2603        // TODO: Use XML interpolators when we have log interpolators available in XML.
2604        final List<Animation> animations = set.getAnimations();
2605        for (int i = animations.size() - 1; i >= 0; --i) {
2606            animations.get(i).setInterpolator(mLogDecelerateInterpolator);
2607        }
2608
2609        return set;
2610    }
2611
2612
2613    @Override
2614    public Animation createForceHideWallpaperExitAnimation(boolean goingToNotificationShade) {
2615        if (goingToNotificationShade) {
2616            return null;
2617        } else {
2618            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_wallpaper_exit);
2619        }
2620    }
2621
2622    private static void awakenDreams() {
2623        IDreamManager dreamManager = getDreamManager();
2624        if (dreamManager != null) {
2625            try {
2626                dreamManager.awaken();
2627            } catch (RemoteException e) {
2628                // fine, stay asleep then
2629            }
2630        }
2631    }
2632
2633    static IDreamManager getDreamManager() {
2634        return IDreamManager.Stub.asInterface(
2635                ServiceManager.checkService(DreamService.DREAM_SERVICE));
2636    }
2637
2638    TelecomManager getTelecommService() {
2639        return (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE);
2640    }
2641
2642    static IAudioService getAudioService() {
2643        IAudioService audioService = IAudioService.Stub.asInterface(
2644                ServiceManager.checkService(Context.AUDIO_SERVICE));
2645        if (audioService == null) {
2646            Log.w(TAG, "Unable to find IAudioService interface.");
2647        }
2648        return audioService;
2649    }
2650
2651    boolean keyguardOn() {
2652        return isKeyguardShowingAndNotOccluded() || inKeyguardRestrictedKeyInputMode();
2653    }
2654
2655    private static final int[] WINDOW_TYPES_WHERE_HOME_DOESNT_WORK = {
2656            WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
2657            WindowManager.LayoutParams.TYPE_SYSTEM_ERROR,
2658        };
2659
2660    /** {@inheritDoc} */
2661    @Override
2662    public long interceptKeyBeforeDispatching(WindowState win, KeyEvent event, int policyFlags) {
2663        final boolean keyguardOn = keyguardOn();
2664        final int keyCode = event.getKeyCode();
2665        final int repeatCount = event.getRepeatCount();
2666        final int metaState = event.getMetaState();
2667        final int flags = event.getFlags();
2668        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
2669        final boolean canceled = event.isCanceled();
2670
2671        if (DEBUG_INPUT) {
2672            Log.d(TAG, "interceptKeyTi keyCode=" + keyCode + " down=" + down + " repeatCount="
2673                    + repeatCount + " keyguardOn=" + keyguardOn + " mHomePressed=" + mHomePressed
2674                    + " canceled=" + canceled);
2675        }
2676
2677        // If we think we might have a volume down & power key chord on the way
2678        // but we're not sure, then tell the dispatcher to wait a little while and
2679        // try again later before dispatching.
2680        if (mScreenshotChordEnabled && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
2681            if (mScreenshotChordVolumeDownKeyTriggered && !mScreenshotChordPowerKeyTriggered) {
2682                final long now = SystemClock.uptimeMillis();
2683                final long timeoutTime = mScreenshotChordVolumeDownKeyTime
2684                        + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
2685                if (now < timeoutTime) {
2686                    return timeoutTime - now;
2687                }
2688            }
2689            if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
2690                    && mScreenshotChordVolumeDownKeyConsumed) {
2691                if (!down) {
2692                    mScreenshotChordVolumeDownKeyConsumed = false;
2693                }
2694                return -1;
2695            }
2696        }
2697
2698        // Cancel any pending meta actions if we see any other keys being pressed between the down
2699        // of the meta key and its corresponding up.
2700        if (mPendingMetaAction && !KeyEvent.isMetaKey(keyCode)) {
2701            mPendingMetaAction = false;
2702        }
2703
2704        // First we always handle the home key here, so applications
2705        // can never break it, although if keyguard is on, we do let
2706        // it handle it, because that gives us the correct 5 second
2707        // timeout.
2708        if (keyCode == KeyEvent.KEYCODE_HOME) {
2709
2710            // If we have released the home key, and didn't do anything else
2711            // while it was pressed, then it is time to go home!
2712            if (!down) {
2713                cancelPreloadRecentApps();
2714
2715                mHomePressed = false;
2716                if (mHomeConsumed) {
2717                    mHomeConsumed = false;
2718                    return -1;
2719                }
2720
2721                if (canceled) {
2722                    Log.i(TAG, "Ignoring HOME; event canceled.");
2723                    return -1;
2724                }
2725
2726                // If an incoming call is ringing, HOME is totally disabled.
2727                // (The user is already on the InCallUI at this point,
2728                // and his ONLY options are to answer or reject the call.)
2729                TelecomManager telecomManager = getTelecommService();
2730                if (telecomManager != null && telecomManager.isRinging()) {
2731                    Log.i(TAG, "Ignoring HOME; there's a ringing incoming call.");
2732                    return -1;
2733                }
2734
2735                // Delay handling home if a double-tap is possible.
2736                if (mDoubleTapOnHomeBehavior != DOUBLE_TAP_HOME_NOTHING) {
2737                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable); // just in case
2738                    mHomeDoubleTapPending = true;
2739                    mHandler.postDelayed(mHomeDoubleTapTimeoutRunnable,
2740                            ViewConfiguration.getDoubleTapTimeout());
2741                    return -1;
2742                }
2743
2744                handleShortPressOnHome();
2745                return -1;
2746            }
2747
2748            // If a system window has focus, then it doesn't make sense
2749            // right now to interact with applications.
2750            WindowManager.LayoutParams attrs = win != null ? win.getAttrs() : null;
2751            if (attrs != null) {
2752                final int type = attrs.type;
2753                if (type == WindowManager.LayoutParams.TYPE_KEYGUARD_SCRIM
2754                        || type == WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG
2755                        || (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
2756                    // the "app" is keyguard, so give it the key
2757                    return 0;
2758                }
2759                final int typeCount = WINDOW_TYPES_WHERE_HOME_DOESNT_WORK.length;
2760                for (int i=0; i<typeCount; i++) {
2761                    if (type == WINDOW_TYPES_WHERE_HOME_DOESNT_WORK[i]) {
2762                        // don't do anything, but also don't pass it to the app
2763                        return -1;
2764                    }
2765                }
2766            }
2767
2768            // Remember that home is pressed and handle special actions.
2769            if (repeatCount == 0) {
2770                mHomePressed = true;
2771                if (mHomeDoubleTapPending) {
2772                    mHomeDoubleTapPending = false;
2773                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable);
2774                    handleDoubleTapOnHome();
2775                } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI
2776                        || mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
2777                    preloadRecentApps();
2778                }
2779            } else if ((event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) {
2780                if (!keyguardOn) {
2781                    handleLongPressOnHome(event.getDeviceId());
2782                }
2783            }
2784            return -1;
2785        } else if (keyCode == KeyEvent.KEYCODE_MENU) {
2786            // Hijack modified menu keys for debugging features
2787            final int chordBug = KeyEvent.META_SHIFT_ON;
2788
2789            if (down && repeatCount == 0) {
2790                if (mEnableShiftMenuBugReports && (metaState & chordBug) == chordBug) {
2791                    Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
2792                    mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT,
2793                            null, null, null, 0, null, null);
2794                    return -1;
2795                } else if (SHOW_PROCESSES_ON_ALT_MENU &&
2796                        (metaState & KeyEvent.META_ALT_ON) == KeyEvent.META_ALT_ON) {
2797                    Intent service = new Intent();
2798                    service.setClassName(mContext, "com.android.server.LoadAverageService");
2799                    ContentResolver res = mContext.getContentResolver();
2800                    boolean shown = Settings.Global.getInt(
2801                            res, Settings.Global.SHOW_PROCESSES, 0) != 0;
2802                    if (!shown) {
2803                        mContext.startService(service);
2804                    } else {
2805                        mContext.stopService(service);
2806                    }
2807                    Settings.Global.putInt(
2808                            res, Settings.Global.SHOW_PROCESSES, shown ? 0 : 1);
2809                    return -1;
2810                }
2811            }
2812        } else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
2813            if (down) {
2814                if (repeatCount == 0) {
2815                    mSearchKeyShortcutPending = true;
2816                    mConsumeSearchKeyUp = false;
2817                }
2818            } else {
2819                mSearchKeyShortcutPending = false;
2820                if (mConsumeSearchKeyUp) {
2821                    mConsumeSearchKeyUp = false;
2822                    return -1;
2823                }
2824            }
2825            return 0;
2826        } else if (keyCode == KeyEvent.KEYCODE_APP_SWITCH) {
2827            if (!keyguardOn) {
2828                if (down && repeatCount == 0) {
2829                    preloadRecentApps();
2830                } else if (!down) {
2831                    toggleRecentApps();
2832                }
2833            }
2834            return -1;
2835        } else if (keyCode == KeyEvent.KEYCODE_N && event.isMetaPressed()) {
2836            if (down) {
2837                IStatusBarService service = getStatusBarService();
2838                if (service != null) {
2839                    try {
2840                        service.expandNotificationsPanel();
2841                    } catch (RemoteException e) {
2842                        // do nothing.
2843                    }
2844                }
2845            }
2846        } else if (keyCode == KeyEvent.KEYCODE_SLASH && event.isMetaPressed()) {
2847            if (down) {
2848                if (repeatCount == 0) {
2849                    showKeyboardShortcutsMenu();
2850                }
2851            }
2852        } else if (keyCode == KeyEvent.KEYCODE_ASSIST) {
2853            if (down) {
2854                if (repeatCount == 0) {
2855                    mAssistKeyLongPressed = false;
2856                } else if (repeatCount == 1) {
2857                    mAssistKeyLongPressed = true;
2858                    if (!keyguardOn) {
2859                         launchAssistLongPressAction();
2860                    }
2861                }
2862            } else {
2863                if (mAssistKeyLongPressed) {
2864                    mAssistKeyLongPressed = false;
2865                } else {
2866                    if (!keyguardOn) {
2867                        launchAssistAction(null, event.getDeviceId());
2868                    }
2869                }
2870            }
2871            return -1;
2872        } else if (keyCode == KeyEvent.KEYCODE_VOICE_ASSIST) {
2873            if (!down) {
2874                Intent voiceIntent;
2875                if (!keyguardOn) {
2876                    voiceIntent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
2877                } else {
2878                    IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
2879                            ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
2880                    if (dic != null) {
2881                        try {
2882                            dic.exitIdle("voice-search");
2883                        } catch (RemoteException e) {
2884                        }
2885                    }
2886                    voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
2887                    voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, true);
2888                }
2889                startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
2890            }
2891        } else if (keyCode == KeyEvent.KEYCODE_SYSRQ) {
2892            if (down && repeatCount == 0) {
2893                mHandler.post(mScreenshotRunnable);
2894            }
2895            return -1;
2896        } else if (keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP
2897                || keyCode == KeyEvent.KEYCODE_BRIGHTNESS_DOWN) {
2898            if (down) {
2899                int direction = keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP ? 1 : -1;
2900
2901                // Disable autobrightness if it's on
2902                int auto = Settings.System.getIntForUser(
2903                        mContext.getContentResolver(),
2904                        Settings.System.SCREEN_BRIGHTNESS_MODE,
2905                        Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
2906                        UserHandle.USER_CURRENT_OR_SELF);
2907                if (auto != 0) {
2908                    Settings.System.putIntForUser(mContext.getContentResolver(),
2909                            Settings.System.SCREEN_BRIGHTNESS_MODE,
2910                            Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
2911                            UserHandle.USER_CURRENT_OR_SELF);
2912                }
2913
2914                int min = mPowerManager.getMinimumScreenBrightnessSetting();
2915                int max = mPowerManager.getMaximumScreenBrightnessSetting();
2916                int step = (max - min + BRIGHTNESS_STEPS - 1) / BRIGHTNESS_STEPS * direction;
2917                int brightness = Settings.System.getIntForUser(mContext.getContentResolver(),
2918                        Settings.System.SCREEN_BRIGHTNESS,
2919                        mPowerManager.getDefaultScreenBrightnessSetting(),
2920                        UserHandle.USER_CURRENT_OR_SELF);
2921                brightness += step;
2922                // Make sure we don't go beyond the limits.
2923                brightness = Math.min(max, brightness);
2924                brightness = Math.max(min, brightness);
2925
2926                Settings.System.putIntForUser(mContext.getContentResolver(),
2927                        Settings.System.SCREEN_BRIGHTNESS, brightness,
2928                        UserHandle.USER_CURRENT_OR_SELF);
2929                startActivityAsUser(new Intent(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG),
2930                        UserHandle.CURRENT_OR_SELF);
2931            }
2932            return -1;
2933        } else if (KeyEvent.isMetaKey(keyCode)) {
2934            if (down) {
2935                mPendingMetaAction = true;
2936            } else if (mPendingMetaAction) {
2937                launchAssistAction(Intent.EXTRA_ASSIST_INPUT_HINT_KEYBOARD, event.getDeviceId());
2938            }
2939            return -1;
2940        }
2941
2942        // Shortcuts are invoked through Search+key, so intercept those here
2943        // Any printing key that is chorded with Search should be consumed
2944        // even if no shortcut was invoked.  This prevents text from being
2945        // inadvertently inserted when using a keyboard that has built-in macro
2946        // shortcut keys (that emit Search+x) and some of them are not registered.
2947        if (mSearchKeyShortcutPending) {
2948            final KeyCharacterMap kcm = event.getKeyCharacterMap();
2949            if (kcm.isPrintingKey(keyCode)) {
2950                mConsumeSearchKeyUp = true;
2951                mSearchKeyShortcutPending = false;
2952                if (down && repeatCount == 0 && !keyguardOn) {
2953                    Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState);
2954                    if (shortcutIntent != null) {
2955                        shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2956                        try {
2957                            startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
2958                        } catch (ActivityNotFoundException ex) {
2959                            Slog.w(TAG, "Dropping shortcut key combination because "
2960                                    + "the activity to which it is registered was not found: "
2961                                    + "SEARCH+" + KeyEvent.keyCodeToString(keyCode), ex);
2962                        }
2963                    } else {
2964                        Slog.i(TAG, "Dropping unregistered shortcut key combination: "
2965                                + "SEARCH+" + KeyEvent.keyCodeToString(keyCode));
2966                    }
2967                }
2968                return -1;
2969            }
2970        }
2971
2972        // Invoke shortcuts using Meta.
2973        if (down && repeatCount == 0 && !keyguardOn
2974                && (metaState & KeyEvent.META_META_ON) != 0) {
2975            final KeyCharacterMap kcm = event.getKeyCharacterMap();
2976            if (kcm.isPrintingKey(keyCode)) {
2977                Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode,
2978                        metaState & ~(KeyEvent.META_META_ON
2979                                | KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_RIGHT_ON));
2980                if (shortcutIntent != null) {
2981                    shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2982                    try {
2983                        startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
2984                    } catch (ActivityNotFoundException ex) {
2985                        Slog.w(TAG, "Dropping shortcut key combination because "
2986                                + "the activity to which it is registered was not found: "
2987                                + "META+" + KeyEvent.keyCodeToString(keyCode), ex);
2988                    }
2989                    return -1;
2990                }
2991            }
2992        }
2993
2994        // Handle application launch keys.
2995        if (down && repeatCount == 0 && !keyguardOn) {
2996            String category = sApplicationLaunchKeyCategories.get(keyCode);
2997            if (category != null) {
2998                Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, category);
2999                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3000                try {
3001                    startActivityAsUser(intent, UserHandle.CURRENT);
3002                } catch (ActivityNotFoundException ex) {
3003                    Slog.w(TAG, "Dropping application launch key because "
3004                            + "the activity to which it is registered was not found: "
3005                            + "keyCode=" + keyCode + ", category=" + category, ex);
3006                }
3007                return -1;
3008            }
3009        }
3010
3011        // Display task switcher for ALT-TAB.
3012        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_TAB) {
3013            if (mRecentAppsHeldModifiers == 0 && !keyguardOn) {
3014                final int shiftlessModifiers = event.getModifiers() & ~KeyEvent.META_SHIFT_MASK;
3015                if (KeyEvent.metaStateHasModifiers(shiftlessModifiers, KeyEvent.META_ALT_ON)) {
3016                    mRecentAppsHeldModifiers = shiftlessModifiers;
3017                    showRecentApps(true);
3018                    return -1;
3019                }
3020            }
3021        } else if (!down && mRecentAppsHeldModifiers != 0
3022                && (metaState & mRecentAppsHeldModifiers) == 0) {
3023            mRecentAppsHeldModifiers = 0;
3024            hideRecentApps(true, false);
3025        }
3026
3027        // Handle keyboard language switching.
3028        if (down && repeatCount == 0
3029                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3030                        || (keyCode == KeyEvent.KEYCODE_SPACE
3031                                && (metaState & KeyEvent.META_CTRL_MASK) != 0))) {
3032            int direction = (metaState & KeyEvent.META_SHIFT_MASK) != 0 ? -1 : 1;
3033            mWindowManagerFuncs.switchKeyboardLayout(event.getDeviceId(), direction);
3034            return -1;
3035        }
3036        if (mLanguageSwitchKeyPressed && !down
3037                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3038                        || keyCode == KeyEvent.KEYCODE_SPACE)) {
3039            mLanguageSwitchKeyPressed = false;
3040            return -1;
3041        }
3042
3043        if (isValidGlobalKey(keyCode)
3044                && mGlobalKeyManager.handleGlobalKey(mContext, keyCode, event)) {
3045            return -1;
3046        }
3047
3048        // Reserve all the META modifier combos for system behavior
3049        if ((metaState & KeyEvent.META_META_ON) != 0) {
3050            return -1;
3051        }
3052
3053        // Let the application handle the key.
3054        return 0;
3055    }
3056
3057    /** {@inheritDoc} */
3058    @Override
3059    public KeyEvent dispatchUnhandledKey(WindowState win, KeyEvent event, int policyFlags) {
3060        // Note: This method is only called if the initial down was unhandled.
3061        if (DEBUG_INPUT) {
3062            Slog.d(TAG, "Unhandled key: win=" + win + ", action=" + event.getAction()
3063                    + ", flags=" + event.getFlags()
3064                    + ", keyCode=" + event.getKeyCode()
3065                    + ", scanCode=" + event.getScanCode()
3066                    + ", metaState=" + event.getMetaState()
3067                    + ", repeatCount=" + event.getRepeatCount()
3068                    + ", policyFlags=" + policyFlags);
3069        }
3070
3071        KeyEvent fallbackEvent = null;
3072        if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
3073            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3074            final int keyCode = event.getKeyCode();
3075            final int metaState = event.getMetaState();
3076            final boolean initialDown = event.getAction() == KeyEvent.ACTION_DOWN
3077                    && event.getRepeatCount() == 0;
3078
3079            // Check for fallback actions specified by the key character map.
3080            final FallbackAction fallbackAction;
3081            if (initialDown) {
3082                fallbackAction = kcm.getFallbackAction(keyCode, metaState);
3083            } else {
3084                fallbackAction = mFallbackActions.get(keyCode);
3085            }
3086
3087            if (fallbackAction != null) {
3088                if (DEBUG_INPUT) {
3089                    Slog.d(TAG, "Fallback: keyCode=" + fallbackAction.keyCode
3090                            + " metaState=" + Integer.toHexString(fallbackAction.metaState));
3091                }
3092
3093                final int flags = event.getFlags() | KeyEvent.FLAG_FALLBACK;
3094                fallbackEvent = KeyEvent.obtain(
3095                        event.getDownTime(), event.getEventTime(),
3096                        event.getAction(), fallbackAction.keyCode,
3097                        event.getRepeatCount(), fallbackAction.metaState,
3098                        event.getDeviceId(), event.getScanCode(),
3099                        flags, event.getSource(), null);
3100
3101                if (!interceptFallback(win, fallbackEvent, policyFlags)) {
3102                    fallbackEvent.recycle();
3103                    fallbackEvent = null;
3104                }
3105
3106                if (initialDown) {
3107                    mFallbackActions.put(keyCode, fallbackAction);
3108                } else if (event.getAction() == KeyEvent.ACTION_UP) {
3109                    mFallbackActions.remove(keyCode);
3110                    fallbackAction.recycle();
3111                }
3112            }
3113        }
3114
3115        if (DEBUG_INPUT) {
3116            if (fallbackEvent == null) {
3117                Slog.d(TAG, "No fallback.");
3118            } else {
3119                Slog.d(TAG, "Performing fallback: " + fallbackEvent);
3120            }
3121        }
3122        return fallbackEvent;
3123    }
3124
3125    private boolean interceptFallback(WindowState win, KeyEvent fallbackEvent, int policyFlags) {
3126        int actions = interceptKeyBeforeQueueing(fallbackEvent, policyFlags);
3127        if ((actions & ACTION_PASS_TO_USER) != 0) {
3128            long delayMillis = interceptKeyBeforeDispatching(
3129                    win, fallbackEvent, policyFlags);
3130            if (delayMillis == 0) {
3131                return true;
3132            }
3133        }
3134        return false;
3135    }
3136
3137    private void launchAssistLongPressAction() {
3138        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
3139        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3140
3141        // launch the search activity
3142        Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
3143        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3144        try {
3145            // TODO: This only stops the factory-installed search manager.
3146            // Need to formalize an API to handle others
3147            SearchManager searchManager = getSearchManager();
3148            if (searchManager != null) {
3149                searchManager.stopSearch();
3150            }
3151            startActivityAsUser(intent, UserHandle.CURRENT);
3152        } catch (ActivityNotFoundException e) {
3153            Slog.w(TAG, "No activity to handle assist long press action.", e);
3154        }
3155    }
3156
3157    private void launchAssistAction(String hint, int deviceId) {
3158        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3159        if (!isUserSetupComplete()) {
3160            // Disable opening assist window during setup
3161            return;
3162        }
3163        Bundle args = null;
3164        if (deviceId > Integer.MIN_VALUE) {
3165            args = new Bundle();
3166            args.putInt(Intent.EXTRA_ASSIST_INPUT_DEVICE_ID, deviceId);
3167        }
3168        if ((mContext.getResources().getConfiguration().uiMode
3169                & Configuration.UI_MODE_TYPE_MASK) == Configuration.UI_MODE_TYPE_TELEVISION) {
3170            // On TV, use legacy handling until assistants are implemented in the proper way.
3171            ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
3172                    .launchLegacyAssist(hint, UserHandle.myUserId(), args);
3173        } else {
3174            try {
3175                if (hint != null) {
3176                    if (args == null) {
3177                        args = new Bundle();
3178                    }
3179                    args.putBoolean(hint, true);
3180                }
3181                IStatusBarService statusbar = getStatusBarService();
3182                if (statusbar != null) {
3183                    statusbar.startAssist(args);
3184                }
3185            } catch (RemoteException e) {
3186                Slog.e(TAG, "RemoteException when starting assist", e);
3187                // re-acquire status bar service next time it is needed.
3188                mStatusBarService = null;
3189            }
3190        }
3191    }
3192
3193    private void startActivityAsUser(Intent intent, UserHandle handle) {
3194        if (isUserSetupComplete()) {
3195            mContext.startActivityAsUser(intent, handle);
3196        } else {
3197            Slog.i(TAG, "Not starting activity because user setup is in progress: " + intent);
3198        }
3199    }
3200
3201    private SearchManager getSearchManager() {
3202        if (mSearchManager == null) {
3203            mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
3204        }
3205        return mSearchManager;
3206    }
3207
3208    private void preloadRecentApps() {
3209        mPreloadedRecentApps = true;
3210        try {
3211            IStatusBarService statusbar = getStatusBarService();
3212            if (statusbar != null) {
3213                statusbar.preloadRecentApps();
3214            }
3215        } catch (RemoteException e) {
3216            Slog.e(TAG, "RemoteException when preloading recent apps", e);
3217            // re-acquire status bar service next time it is needed.
3218            mStatusBarService = null;
3219        }
3220    }
3221
3222    private void cancelPreloadRecentApps() {
3223        if (mPreloadedRecentApps) {
3224            mPreloadedRecentApps = false;
3225            try {
3226                IStatusBarService statusbar = getStatusBarService();
3227                if (statusbar != null) {
3228                    statusbar.cancelPreloadRecentApps();
3229                }
3230            } catch (RemoteException e) {
3231                Slog.e(TAG, "RemoteException when cancelling recent apps preload", e);
3232                // re-acquire status bar service next time it is needed.
3233                mStatusBarService = null;
3234            }
3235        }
3236    }
3237
3238    private void toggleRecentApps() {
3239        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3240        try {
3241            IStatusBarService statusbar = getStatusBarService();
3242            if (statusbar != null) {
3243                statusbar.toggleRecentApps();
3244            }
3245        } catch (RemoteException e) {
3246            Slog.e(TAG, "RemoteException when toggling recent apps", e);
3247            // re-acquire status bar service next time it is needed.
3248            mStatusBarService = null;
3249        }
3250    }
3251
3252    @Override
3253    public void showRecentApps() {
3254        mHandler.removeMessages(MSG_DISPATCH_SHOW_RECENTS);
3255        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_RECENTS);
3256    }
3257
3258    private void showRecentApps(boolean triggeredFromAltTab) {
3259        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3260        try {
3261            IStatusBarService statusbar = getStatusBarService();
3262            if (statusbar != null) {
3263                statusbar.showRecentApps(triggeredFromAltTab);
3264            }
3265        } catch (RemoteException e) {
3266            Slog.e(TAG, "RemoteException when showing recent apps", e);
3267            // re-acquire status bar service next time it is needed.
3268            mStatusBarService = null;
3269        }
3270    }
3271
3272    private void showKeyboardShortcutsMenu() {
3273        try {
3274            IStatusBarService statusbar = getStatusBarService();
3275            if (statusbar != null) {
3276                statusbar.showKeyboardShortcutsMenu();
3277            }
3278        } catch (RemoteException e) {
3279            Slog.e(TAG, "RemoteException when showing keyboard shortcuts menu", e);
3280        }
3281    }
3282
3283    private void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHome) {
3284        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3285        try {
3286            IStatusBarService statusbar = getStatusBarService();
3287            if (statusbar != null) {
3288                statusbar.hideRecentApps(triggeredFromAltTab, triggeredFromHome);
3289            }
3290        } catch (RemoteException e) {
3291            Slog.e(TAG, "RemoteException when closing recent apps", e);
3292            // re-acquire status bar service next time it is needed.
3293            mStatusBarService = null;
3294        }
3295    }
3296
3297    void launchHomeFromHotKey() {
3298        launchHomeFromHotKey(true /* awakenFromDreams */, true /*respectKeyguard*/);
3299    }
3300
3301    /**
3302     * A home key -> launch home action was detected.  Take the appropriate action
3303     * given the situation with the keyguard.
3304     */
3305    void launchHomeFromHotKey(final boolean awakenFromDreams, final boolean respectKeyguard) {
3306        if (respectKeyguard) {
3307            if (isKeyguardShowingAndNotOccluded()) {
3308                // don't launch home if keyguard showing
3309                return;
3310            }
3311
3312            if (!mHideLockScreen && mKeyguardDelegate.isInputRestricted()) {
3313                // when in keyguard restricted mode, must first verify unlock
3314                // before launching home
3315                mKeyguardDelegate.verifyUnlock(new OnKeyguardExitResult() {
3316                    @Override
3317                    public void onKeyguardExitResult(boolean success) {
3318                        if (success) {
3319                            try {
3320                                ActivityManagerNative.getDefault().stopAppSwitches();
3321                            } catch (RemoteException e) {
3322                            }
3323                            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3324                            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3325                        }
3326                    }
3327                });
3328                return;
3329            }
3330        }
3331
3332        // no keyguard stuff to worry about, just launch home!
3333        try {
3334            ActivityManagerNative.getDefault().stopAppSwitches();
3335        } catch (RemoteException e) {
3336        }
3337        if (mRecentsVisible) {
3338            // Hide Recents and notify it to launch Home
3339            if (awakenFromDreams) {
3340                awakenDreams();
3341            }
3342            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3343            hideRecentApps(false, true);
3344        } else {
3345            // Otherwise, just launch Home
3346            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3347            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3348        }
3349    }
3350
3351    private final Runnable mClearHideNavigationFlag = new Runnable() {
3352        @Override
3353        public void run() {
3354            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3355                // Clear flags.
3356                mForceClearedSystemUiFlags &=
3357                        ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3358            }
3359            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3360        }
3361    };
3362
3363    /**
3364     * Input handler used while nav bar is hidden.  Captures any touch on the screen,
3365     * to determine when the nav bar should be shown and prevent applications from
3366     * receiving those touches.
3367     */
3368    final class HideNavInputEventReceiver extends InputEventReceiver {
3369        public HideNavInputEventReceiver(InputChannel inputChannel, Looper looper) {
3370            super(inputChannel, looper);
3371        }
3372
3373        @Override
3374        public void onInputEvent(InputEvent event) {
3375            boolean handled = false;
3376            try {
3377                if (event instanceof MotionEvent
3378                        && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
3379                    final MotionEvent motionEvent = (MotionEvent)event;
3380                    if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
3381                        // When the user taps down, we re-show the nav bar.
3382                        boolean changed = false;
3383                        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3384                            // Any user activity always causes us to show the
3385                            // navigation controls, if they had been hidden.
3386                            // We also clear the low profile and only content
3387                            // flags so that tapping on the screen will atomically
3388                            // restore all currently hidden screen decorations.
3389                            int newVal = mResettingSystemUiFlags |
3390                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
3391                                    View.SYSTEM_UI_FLAG_LOW_PROFILE |
3392                                    View.SYSTEM_UI_FLAG_FULLSCREEN;
3393                            if (mResettingSystemUiFlags != newVal) {
3394                                mResettingSystemUiFlags = newVal;
3395                                changed = true;
3396                            }
3397                            // We don't allow the system's nav bar to be hidden
3398                            // again for 1 second, to prevent applications from
3399                            // spamming us and keeping it from being shown.
3400                            newVal = mForceClearedSystemUiFlags |
3401                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3402                            if (mForceClearedSystemUiFlags != newVal) {
3403                                mForceClearedSystemUiFlags = newVal;
3404                                changed = true;
3405                                mHandler.postDelayed(mClearHideNavigationFlag, 1000);
3406                            }
3407                        }
3408                        if (changed) {
3409                            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3410                        }
3411                    }
3412                }
3413            } finally {
3414                finishInputEvent(event, handled);
3415            }
3416        }
3417    }
3418    final InputEventReceiver.Factory mHideNavInputEventReceiverFactory =
3419            new InputEventReceiver.Factory() {
3420        @Override
3421        public InputEventReceiver createInputEventReceiver(
3422                InputChannel inputChannel, Looper looper) {
3423            return new HideNavInputEventReceiver(inputChannel, looper);
3424        }
3425    };
3426
3427    @Override
3428    public int adjustSystemUiVisibilityLw(int visibility) {
3429        mStatusBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3430        mNavigationBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3431        mRecentsVisible = (visibility & View.RECENT_APPS_VISIBLE) > 0;
3432
3433        // Reset any bits in mForceClearingStatusBarVisibility that
3434        // are now clear.
3435        mResettingSystemUiFlags &= visibility;
3436        // Clear any bits in the new visibility that are currently being
3437        // force cleared, before reporting it.
3438        return visibility & ~mResettingSystemUiFlags
3439                & ~mForceClearedSystemUiFlags;
3440    }
3441
3442    @Override
3443    public void getInsetHintLw(WindowManager.LayoutParams attrs, int displayRotation,
3444            Rect outContentInsets, Rect outStableInsets, Rect outOutsets) {
3445        final int fl = PolicyControl.getWindowFlags(null, attrs);
3446        final int sysuiVis = PolicyControl.getSystemUiVisibility(null, attrs);
3447        final int systemUiVisibility = (sysuiVis | attrs.subtreeSystemUiVisibility);
3448
3449        final boolean useOutsets = outOutsets != null && shouldUseOutsets(attrs, fl);
3450        if (useOutsets) {
3451            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
3452            if (outset > 0) {
3453                if (displayRotation == Surface.ROTATION_0) {
3454                    outOutsets.bottom += outset;
3455                } else if (displayRotation == Surface.ROTATION_90) {
3456                    outOutsets.right += outset;
3457                } else if (displayRotation == Surface.ROTATION_180) {
3458                    outOutsets.top += outset;
3459                } else if (displayRotation == Surface.ROTATION_270) {
3460                    outOutsets.left += outset;
3461                }
3462            }
3463        }
3464
3465        if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3466                == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3467            int availRight, availBottom;
3468            if (canHideNavigationBar() &&
3469                    (systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0) {
3470                availRight = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3471                availBottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3472            } else {
3473                availRight = mRestrictedScreenLeft + mRestrictedScreenWidth;
3474                availBottom = mRestrictedScreenTop + mRestrictedScreenHeight;
3475            }
3476            if ((systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3477                if ((fl & FLAG_FULLSCREEN) != 0) {
3478                    outContentInsets.set(mStableFullscreenLeft, mStableFullscreenTop,
3479                            availRight - mStableFullscreenRight,
3480                            availBottom - mStableFullscreenBottom);
3481                } else {
3482                    outContentInsets.set(mStableLeft, mStableTop,
3483                            availRight - mStableRight, availBottom - mStableBottom);
3484                }
3485            } else if ((fl & FLAG_FULLSCREEN) != 0 || (fl & FLAG_LAYOUT_IN_OVERSCAN) != 0) {
3486                outContentInsets.setEmpty();
3487            } else if ((systemUiVisibility & (View.SYSTEM_UI_FLAG_FULLSCREEN
3488                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)) == 0) {
3489                outContentInsets.set(mCurLeft, mCurTop,
3490                        availRight - mCurRight, availBottom - mCurBottom);
3491            } else {
3492                outContentInsets.set(mCurLeft, mCurTop,
3493                        availRight - mCurRight, availBottom - mCurBottom);
3494            }
3495
3496            outStableInsets.set(mStableLeft, mStableTop,
3497                    availRight - mStableRight, availBottom - mStableBottom);
3498            return;
3499        }
3500        outContentInsets.setEmpty();
3501        outStableInsets.setEmpty();
3502    }
3503
3504    private boolean shouldUseOutsets(WindowManager.LayoutParams attrs, int fl) {
3505        return attrs.type == TYPE_WALLPAPER || (fl & (WindowManager.LayoutParams.FLAG_FULLSCREEN
3506                | WindowManager.LayoutParams.FLAG_LAYOUT_IN_OVERSCAN)) != 0;
3507    }
3508
3509    /** {@inheritDoc} */
3510    @Override
3511    public void beginLayoutLw(boolean isDefaultDisplay, int displayWidth, int displayHeight,
3512                              int displayRotation) {
3513        mDisplayRotation = displayRotation;
3514        final int overscanLeft, overscanTop, overscanRight, overscanBottom;
3515        if (isDefaultDisplay) {
3516            switch (displayRotation) {
3517                case Surface.ROTATION_90:
3518                    overscanLeft = mOverscanTop;
3519                    overscanTop = mOverscanRight;
3520                    overscanRight = mOverscanBottom;
3521                    overscanBottom = mOverscanLeft;
3522                    break;
3523                case Surface.ROTATION_180:
3524                    overscanLeft = mOverscanRight;
3525                    overscanTop = mOverscanBottom;
3526                    overscanRight = mOverscanLeft;
3527                    overscanBottom = mOverscanTop;
3528                    break;
3529                case Surface.ROTATION_270:
3530                    overscanLeft = mOverscanBottom;
3531                    overscanTop = mOverscanLeft;
3532                    overscanRight = mOverscanTop;
3533                    overscanBottom = mOverscanRight;
3534                    break;
3535                default:
3536                    overscanLeft = mOverscanLeft;
3537                    overscanTop = mOverscanTop;
3538                    overscanRight = mOverscanRight;
3539                    overscanBottom = mOverscanBottom;
3540                    break;
3541            }
3542        } else {
3543            overscanLeft = 0;
3544            overscanTop = 0;
3545            overscanRight = 0;
3546            overscanBottom = 0;
3547        }
3548        mOverscanScreenLeft = mRestrictedOverscanScreenLeft = 0;
3549        mOverscanScreenTop = mRestrictedOverscanScreenTop = 0;
3550        mOverscanScreenWidth = mRestrictedOverscanScreenWidth = displayWidth;
3551        mOverscanScreenHeight = mRestrictedOverscanScreenHeight = displayHeight;
3552        mSystemLeft = 0;
3553        mSystemTop = 0;
3554        mSystemRight = displayWidth;
3555        mSystemBottom = displayHeight;
3556        mUnrestrictedScreenLeft = overscanLeft;
3557        mUnrestrictedScreenTop = overscanTop;
3558        mUnrestrictedScreenWidth = displayWidth - overscanLeft - overscanRight;
3559        mUnrestrictedScreenHeight = displayHeight - overscanTop - overscanBottom;
3560        mRestrictedScreenLeft = mUnrestrictedScreenLeft;
3561        mRestrictedScreenTop = mUnrestrictedScreenTop;
3562        mRestrictedScreenWidth = mSystemGestures.screenWidth = mUnrestrictedScreenWidth;
3563        mRestrictedScreenHeight = mSystemGestures.screenHeight = mUnrestrictedScreenHeight;
3564        mDockLeft = mContentLeft = mVoiceContentLeft = mStableLeft = mStableFullscreenLeft
3565                = mCurLeft = mUnrestrictedScreenLeft;
3566        mDockTop = mContentTop = mVoiceContentTop = mStableTop = mStableFullscreenTop
3567                = mCurTop = mUnrestrictedScreenTop;
3568        mDockRight = mContentRight = mVoiceContentRight = mStableRight = mStableFullscreenRight
3569                = mCurRight = displayWidth - overscanRight;
3570        mDockBottom = mContentBottom = mVoiceContentBottom = mStableBottom = mStableFullscreenBottom
3571                = mCurBottom = displayHeight - overscanBottom;
3572        mDockLayer = 0x10000000;
3573        mStatusBarLayer = -1;
3574
3575        // start with the current dock rect, which will be (0,0,displayWidth,displayHeight)
3576        final Rect pf = mTmpParentFrame;
3577        final Rect df = mTmpDisplayFrame;
3578        final Rect of = mTmpOverscanFrame;
3579        final Rect vf = mTmpVisibleFrame;
3580        final Rect dcf = mTmpDecorFrame;
3581        pf.left = df.left = of.left = vf.left = mDockLeft;
3582        pf.top = df.top = of.top = vf.top = mDockTop;
3583        pf.right = df.right = of.right = vf.right = mDockRight;
3584        pf.bottom = df.bottom = of.bottom = vf.bottom = mDockBottom;
3585        dcf.setEmpty();  // Decor frame N/A for system bars.
3586
3587        if (isDefaultDisplay) {
3588            // For purposes of putting out fake window up to steal focus, we will
3589            // drive nav being hidden only by whether it is requested.
3590            final int sysui = mLastSystemUiFlags;
3591            boolean navVisible = (sysui & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0;
3592            boolean navTranslucent = (sysui
3593                    & (View.NAVIGATION_BAR_TRANSLUCENT | View.SYSTEM_UI_TRANSPARENT)) != 0;
3594            boolean immersive = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
3595            boolean immersiveSticky = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
3596            boolean navAllowedHidden = immersive || immersiveSticky;
3597            navTranslucent &= !immersiveSticky;  // transient trumps translucent
3598            boolean isKeyguardShowing = isStatusBarKeyguard() && !mHideLockScreen;
3599            if (!isKeyguardShowing) {
3600                navTranslucent &= areTranslucentBarsAllowed();
3601            }
3602
3603            // When the navigation bar isn't visible, we put up a fake
3604            // input window to catch all touch events.  This way we can
3605            // detect when the user presses anywhere to bring back the nav
3606            // bar and ensure the application doesn't see the event.
3607            if (navVisible || navAllowedHidden) {
3608                if (mInputConsumer != null) {
3609                    mInputConsumer.dismiss();
3610                    mInputConsumer = null;
3611                }
3612            } else if (mInputConsumer == null) {
3613                mInputConsumer = mWindowManagerFuncs.addInputConsumer(mHandler.getLooper(),
3614                        mHideNavInputEventReceiverFactory);
3615            }
3616
3617            // For purposes of positioning and showing the nav bar, if we have
3618            // decided that it can't be hidden (because of the screen aspect ratio),
3619            // then take that into account.
3620            navVisible |= !canHideNavigationBar();
3621
3622            boolean updateSysUiVisibility = layoutNavigationBar(displayWidth, displayHeight,
3623                    displayRotation, overscanRight, overscanBottom, dcf, navVisible, navTranslucent,
3624                    navAllowedHidden);
3625            if (DEBUG_LAYOUT) Slog.i(TAG, String.format("mDock rect: (%d,%d - %d,%d)",
3626                    mDockLeft, mDockTop, mDockRight, mDockBottom));
3627            updateSysUiVisibility |= layoutStatusBar(pf, df, of, vf, dcf, sysui, isKeyguardShowing);
3628            if (updateSysUiVisibility) {
3629                updateSystemUiVisibilityLw();
3630            }
3631        }
3632    }
3633
3634    private boolean layoutStatusBar(Rect pf, Rect df, Rect of, Rect vf, Rect dcf, int sysui,
3635            boolean isKeyguardShowing) {
3636        // decide where the status bar goes ahead of time
3637        if (mStatusBar != null) {
3638            // apply any navigation bar insets
3639            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3640            pf.top = df.top = of.top = mUnrestrictedScreenTop;
3641            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
3642            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight
3643                    + mUnrestrictedScreenTop;
3644            vf.left = mStableLeft;
3645            vf.top = mStableTop;
3646            vf.right = mStableRight;
3647            vf.bottom = mStableBottom;
3648
3649            mStatusBarLayer = mStatusBar.getSurfaceLayer();
3650
3651            // Let the status bar determine its size.
3652            mStatusBar.computeFrameLw(pf /* parentFrame */, df /* displayFrame */,
3653                    vf /* overlayFrame */, vf /* contentFrame */, vf /* visibleFrame */,
3654                    dcf /* decorFrame */, vf /* stableFrame */, vf /* outsetFrame */);
3655
3656            // For layout, the status bar is always at the top with our fixed height.
3657            mStableTop = mUnrestrictedScreenTop + mStatusBarHeight;
3658
3659            boolean statusBarTransient = (sysui & View.STATUS_BAR_TRANSIENT) != 0;
3660            boolean statusBarTranslucent = (sysui
3661                    & (View.STATUS_BAR_TRANSLUCENT | View.SYSTEM_UI_TRANSPARENT)) != 0;
3662            if (!isKeyguardShowing) {
3663                statusBarTranslucent &= areTranslucentBarsAllowed();
3664            }
3665
3666            // If the status bar is hidden, we don't want to cause
3667            // windows behind it to scroll.
3668            if (mStatusBar.isVisibleLw() && !statusBarTransient) {
3669                // Status bar may go away, so the screen area it occupies
3670                // is available to apps but just covering them when the
3671                // status bar is visible.
3672                mDockTop = mUnrestrictedScreenTop + mStatusBarHeight;
3673
3674                mContentTop = mVoiceContentTop = mCurTop = mDockTop;
3675                mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
3676                mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
3677                mContentRight = mVoiceContentRight = mCurRight = mDockRight;
3678
3679                if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar: " +
3680                        String.format(
3681                                "dock=[%d,%d][%d,%d] content=[%d,%d][%d,%d] cur=[%d,%d][%d,%d]",
3682                                mDockLeft, mDockTop, mDockRight, mDockBottom,
3683                                mContentLeft, mContentTop, mContentRight, mContentBottom,
3684                                mCurLeft, mCurTop, mCurRight, mCurBottom));
3685            }
3686            if (mStatusBar.isVisibleLw() && !mStatusBar.isAnimatingLw()
3687                    && !statusBarTransient && !statusBarTranslucent
3688                    && !mStatusBarController.wasRecentlyTranslucent()) {
3689                // If the opaque status bar is currently requested to be visible,
3690                // and not in the process of animating on or off, then
3691                // we can tell the app that it is covered by it.
3692                mSystemTop = mUnrestrictedScreenTop + mStatusBarHeight;
3693            }
3694            if (mStatusBarController.checkHiddenLw()) {
3695                return true;
3696            }
3697        }
3698        return false;
3699    }
3700
3701    private boolean layoutNavigationBar(int displayWidth, int displayHeight, int displayRotation,
3702            int overscanRight, int overscanBottom, Rect dcf, boolean navVisible,
3703            boolean navTranslucent, boolean navAllowedHidden) {
3704        if (mNavigationBar != null) {
3705            boolean transientNavBarShowing = mNavigationBarController.isTransientShowing();
3706            // Force the navigation bar to its appropriate place and
3707            // size.  We need to do this directly, instead of relying on
3708            // it to bubble up from the nav bar, because this needs to
3709            // change atomically with screen rotations.
3710            mNavigationBarOnBottom = (!mNavigationBarCanMove || displayWidth < displayHeight);
3711            if (mNavigationBarOnBottom) {
3712                // It's a system nav bar or a portrait screen; nav bar goes on bottom.
3713                int top = displayHeight - overscanBottom
3714                        - mNavigationBarHeightForRotation[displayRotation];
3715                mTmpNavigationFrame.set(0, top, displayWidth, displayHeight - overscanBottom);
3716                mStableBottom = mStableFullscreenBottom = mTmpNavigationFrame.top;
3717                if (transientNavBarShowing) {
3718                    mNavigationBarController.setBarShowingLw(true);
3719                } else if (navVisible) {
3720                    mNavigationBarController.setBarShowingLw(true);
3721                    mDockBottom = mTmpNavigationFrame.top;
3722                    mRestrictedScreenHeight = mDockBottom - mRestrictedScreenTop;
3723                    mRestrictedOverscanScreenHeight = mDockBottom - mRestrictedOverscanScreenTop;
3724                } else {
3725                    // We currently want to hide the navigation UI.
3726                    mNavigationBarController.setBarShowingLw(false);
3727                }
3728                if (navVisible && !navTranslucent && !navAllowedHidden
3729                        && !mNavigationBar.isAnimatingLw()
3730                        && !mNavigationBarController.wasRecentlyTranslucent()) {
3731                    // If the opaque nav bar is currently requested to be visible,
3732                    // and not in the process of animating on or off, then
3733                    // we can tell the app that it is covered by it.
3734                    mSystemBottom = mTmpNavigationFrame.top;
3735                }
3736            } else {
3737                // Landscape screen; nav bar goes to the right.
3738                int left = displayWidth - overscanRight
3739                        - mNavigationBarWidthForRotation[displayRotation];
3740                mTmpNavigationFrame.set(left, 0, displayWidth - overscanRight, displayHeight);
3741                mStableRight = mStableFullscreenRight = mTmpNavigationFrame.left;
3742                if (transientNavBarShowing) {
3743                    mNavigationBarController.setBarShowingLw(true);
3744                } else if (navVisible) {
3745                    mNavigationBarController.setBarShowingLw(true);
3746                    mDockRight = mTmpNavigationFrame.left;
3747                    mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
3748                    mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
3749                } else {
3750                    // We currently want to hide the navigation UI.
3751                    mNavigationBarController.setBarShowingLw(false);
3752                }
3753                if (navVisible && !navTranslucent && !navAllowedHidden
3754                        && !mNavigationBar.isAnimatingLw()
3755                        && !mNavigationBarController.wasRecentlyTranslucent()) {
3756                    // If the nav bar is currently requested to be visible,
3757                    // and not in the process of animating on or off, then
3758                    // we can tell the app that it is covered by it.
3759                    mSystemRight = mTmpNavigationFrame.left;
3760                }
3761            }
3762            // Make sure the content and current rectangles are updated to
3763            // account for the restrictions from the navigation bar.
3764            mContentTop = mVoiceContentTop = mCurTop = mDockTop;
3765            mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
3766            mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
3767            mContentRight = mVoiceContentRight = mCurRight = mDockRight;
3768            mStatusBarLayer = mNavigationBar.getSurfaceLayer();
3769            // And compute the final frame.
3770            mNavigationBar.computeFrameLw(mTmpNavigationFrame, mTmpNavigationFrame,
3771                    mTmpNavigationFrame, mTmpNavigationFrame, mTmpNavigationFrame, dcf,
3772                    mTmpNavigationFrame, mTmpNavigationFrame);
3773            if (DEBUG_LAYOUT) Slog.i(TAG, "mNavigationBar frame: " + mTmpNavigationFrame);
3774            if (mNavigationBarController.checkHiddenLw()) {
3775                return true;
3776            }
3777        }
3778        return false;
3779    }
3780
3781    /** {@inheritDoc} */
3782    @Override
3783    public int getSystemDecorLayerLw() {
3784        if (mStatusBar != null && mStatusBar.isVisibleLw()) {
3785            return mStatusBar.getSurfaceLayer();
3786        }
3787
3788        if (mNavigationBar != null && mNavigationBar.isVisibleLw()) {
3789            return mNavigationBar.getSurfaceLayer();
3790        }
3791
3792        return 0;
3793    }
3794
3795    @Override
3796    public void getContentRectLw(Rect r) {
3797        r.set(mContentLeft, mContentTop, mContentRight, mContentBottom);
3798    }
3799
3800    void setAttachedWindowFrames(WindowState win, int fl, int adjust, WindowState attached,
3801            boolean insetDecors, Rect pf, Rect df, Rect of, Rect cf, Rect vf) {
3802        if (win.getSurfaceLayer() > mDockLayer && attached.getSurfaceLayer() < mDockLayer) {
3803            // Here's a special case: if this attached window is a panel that is
3804            // above the dock window, and the window it is attached to is below
3805            // the dock window, then the frames we computed for the window it is
3806            // attached to can not be used because the dock is effectively part
3807            // of the underlying window and the attached window is floating on top
3808            // of the whole thing.  So, we ignore the attached window and explicitly
3809            // compute the frames that would be appropriate without the dock.
3810            df.left = of.left = cf.left = vf.left = mDockLeft;
3811            df.top = of.top = cf.top = vf.top = mDockTop;
3812            df.right = of.right = cf.right = vf.right = mDockRight;
3813            df.bottom = of.bottom = cf.bottom = vf.bottom = mDockBottom;
3814        } else {
3815            // The effective display frame of the attached window depends on
3816            // whether it is taking care of insetting its content.  If not,
3817            // we need to use the parent's content frame so that the entire
3818            // window is positioned within that content.  Otherwise we can use
3819            // the overscan frame and let the attached window take care of
3820            // positioning its content appropriately.
3821            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
3822                // Set the content frame of the attached window to the parent's decor frame
3823                // (same as content frame when IME isn't present) if specifically requested by
3824                // setting {@link WindowManager.LayoutParams#FLAG_LAYOUT_ATTACHED_IN_DECOR} flag.
3825                // Otherwise, use the overscan frame.
3826                cf.set((fl & FLAG_LAYOUT_ATTACHED_IN_DECOR) != 0
3827                        ? attached.getContentFrameLw() : attached.getOverscanFrameLw());
3828            } else {
3829                // If the window is resizing, then we want to base the content
3830                // frame on our attached content frame to resize...  however,
3831                // things can be tricky if the attached window is NOT in resize
3832                // mode, in which case its content frame will be larger.
3833                // Ungh.  So to deal with that, make sure the content frame
3834                // we end up using is not covering the IM dock.
3835                cf.set(attached.getContentFrameLw());
3836                if (attached.isVoiceInteraction()) {
3837                    if (cf.left < mVoiceContentLeft) cf.left = mVoiceContentLeft;
3838                    if (cf.top < mVoiceContentTop) cf.top = mVoiceContentTop;
3839                    if (cf.right > mVoiceContentRight) cf.right = mVoiceContentRight;
3840                    if (cf.bottom > mVoiceContentBottom) cf.bottom = mVoiceContentBottom;
3841                } else if (attached.getSurfaceLayer() < mDockLayer) {
3842                    if (cf.left < mContentLeft) cf.left = mContentLeft;
3843                    if (cf.top < mContentTop) cf.top = mContentTop;
3844                    if (cf.right > mContentRight) cf.right = mContentRight;
3845                    if (cf.bottom > mContentBottom) cf.bottom = mContentBottom;
3846                }
3847            }
3848            df.set(insetDecors ? attached.getDisplayFrameLw() : cf);
3849            of.set(insetDecors ? attached.getOverscanFrameLw() : cf);
3850            vf.set(attached.getVisibleFrameLw());
3851        }
3852        // The LAYOUT_IN_SCREEN flag is used to determine whether the attached
3853        // window should be positioned relative to its parent or the entire
3854        // screen.
3855        pf.set((fl & FLAG_LAYOUT_IN_SCREEN) == 0
3856                ? attached.getFrameLw() : df);
3857    }
3858
3859    private void applyStableConstraints(int sysui, int fl, Rect r) {
3860        if ((sysui & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3861            // If app is requesting a stable layout, don't let the
3862            // content insets go below the stable values.
3863            if ((fl & FLAG_FULLSCREEN) != 0) {
3864                if (r.left < mStableFullscreenLeft) r.left = mStableFullscreenLeft;
3865                if (r.top < mStableFullscreenTop) r.top = mStableFullscreenTop;
3866                if (r.right > mStableFullscreenRight) r.right = mStableFullscreenRight;
3867                if (r.bottom > mStableFullscreenBottom) r.bottom = mStableFullscreenBottom;
3868            } else {
3869                if (r.left < mStableLeft) r.left = mStableLeft;
3870                if (r.top < mStableTop) r.top = mStableTop;
3871                if (r.right > mStableRight) r.right = mStableRight;
3872                if (r.bottom > mStableBottom) r.bottom = mStableBottom;
3873            }
3874        }
3875    }
3876
3877    private boolean canReceiveInput(WindowState win) {
3878        boolean notFocusable =
3879                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) != 0;
3880        boolean altFocusableIm =
3881                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM) != 0;
3882        boolean notFocusableForIm = notFocusable ^ altFocusableIm;
3883        return !notFocusableForIm;
3884    }
3885
3886    /** {@inheritDoc} */
3887    @Override
3888    public void layoutWindowLw(WindowState win, WindowState attached) {
3889        // We've already done the navigation bar and status bar. If the status bar can receive
3890        // input, we need to layout it again to accomodate for the IME window.
3891        if ((win == mStatusBar && !canReceiveInput(win)) || win == mNavigationBar) {
3892            return;
3893        }
3894        final WindowManager.LayoutParams attrs = win.getAttrs();
3895        final boolean isDefaultDisplay = win.isDefaultDisplay();
3896        final boolean needsToOffsetInputMethodTarget = isDefaultDisplay &&
3897                (win == mLastInputMethodTargetWindow && mLastInputMethodWindow != null);
3898        if (needsToOffsetInputMethodTarget) {
3899            if (DEBUG_LAYOUT) Slog.i(TAG, "Offset ime target window by the last ime window state");
3900            offsetInputMethodWindowLw(mLastInputMethodWindow);
3901        }
3902
3903        final int fl = PolicyControl.getWindowFlags(win, attrs);
3904        final int sim = attrs.softInputMode;
3905        final int sysUiFl = PolicyControl.getSystemUiVisibility(win, null);
3906
3907        final Rect pf = mTmpParentFrame;
3908        final Rect df = mTmpDisplayFrame;
3909        final Rect of = mTmpOverscanFrame;
3910        final Rect cf = mTmpContentFrame;
3911        final Rect vf = mTmpVisibleFrame;
3912        final Rect dcf = mTmpDecorFrame;
3913        final Rect sf = mTmpStableFrame;
3914        Rect osf = null;
3915        dcf.setEmpty();
3916
3917        final boolean hasNavBar = (isDefaultDisplay && mHasNavigationBar
3918                && mNavigationBar != null && mNavigationBar.isVisibleLw());
3919
3920        final int adjust = sim & SOFT_INPUT_MASK_ADJUST;
3921
3922        if (isDefaultDisplay) {
3923            sf.set(mStableLeft, mStableTop, mStableRight, mStableBottom);
3924        } else {
3925            sf.set(mOverscanLeft, mOverscanTop, mOverscanRight, mOverscanBottom);
3926        }
3927
3928        if (!isDefaultDisplay) {
3929            if (attached != null) {
3930                // If this window is attached to another, our display
3931                // frame is the same as the one we are attached to.
3932                setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
3933            } else {
3934                // Give the window full screen.
3935                pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3936                pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3937                pf.right = df.right = of.right = cf.right
3938                        = mOverscanScreenLeft + mOverscanScreenWidth;
3939                pf.bottom = df.bottom = of.bottom = cf.bottom
3940                        = mOverscanScreenTop + mOverscanScreenHeight;
3941            }
3942        } else if (attrs.type == TYPE_INPUT_METHOD) {
3943            pf.left = df.left = of.left = cf.left = vf.left = mDockLeft;
3944            pf.top = df.top = of.top = cf.top = vf.top = mDockTop;
3945            pf.right = df.right = of.right = cf.right = vf.right = mDockRight;
3946            // IM dock windows layout below the nav bar...
3947            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3948            // ...with content insets above the nav bar
3949            cf.bottom = vf.bottom = mStableBottom;
3950            // IM dock windows always go to the bottom of the screen.
3951            attrs.gravity = Gravity.BOTTOM;
3952            mDockLayer = win.getSurfaceLayer();
3953        } else if (attrs.type == TYPE_VOICE_INTERACTION) {
3954            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3955            pf.top = df.top = of.top = mUnrestrictedScreenTop;
3956            pf.right = df.right = of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3957            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3958            cf.bottom = vf.bottom = mStableBottom;
3959            // Note: In Phone landscape mode, the button bar should also be excluded.
3960            cf.right = vf.right = mStableRight;
3961            cf.left = vf.left = mStableLeft;
3962            cf.top = vf.top = mStableTop;
3963        } else if (win == mStatusBar) {
3964            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3965            pf.top = df.top = of.top = mUnrestrictedScreenTop;
3966            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
3967            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight + mUnrestrictedScreenTop;
3968            cf.left = vf.left = mStableLeft;
3969            cf.top = vf.top = mStableTop;
3970            cf.right = vf.right = mStableRight;
3971            vf.bottom = mStableBottom;
3972            cf.bottom = mContentBottom;
3973        } else {
3974
3975            // Default policy decor for the default display
3976            dcf.left = mSystemLeft;
3977            dcf.top = mSystemTop;
3978            dcf.right = mSystemRight;
3979            dcf.bottom = mSystemBottom;
3980            final boolean inheritTranslucentDecor = (attrs.privateFlags
3981                    & WindowManager.LayoutParams.PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR) != 0;
3982            final boolean isAppWindow =
3983                    attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW &&
3984                    attrs.type <= WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
3985            final boolean topAtRest =
3986                    win == mTopFullscreenOpaqueWindowState && !win.isAnimatingLw();
3987            if (isAppWindow && !inheritTranslucentDecor && !topAtRest) {
3988                if ((sysUiFl & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0
3989                        && (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) == 0
3990                        && (fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) == 0
3991                        && (fl & WindowManager.LayoutParams.
3992                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
3993                    // Ensure policy decor includes status bar
3994                    dcf.top = mStableTop;
3995                }
3996                if ((fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) == 0
3997                        && (sysUiFl & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0
3998                        && (fl & WindowManager.LayoutParams.
3999                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
4000                    // Ensure policy decor includes navigation bar
4001                    dcf.bottom = mStableBottom;
4002                    dcf.right = mStableRight;
4003                }
4004            }
4005
4006            if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
4007                    == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
4008                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle()
4009                            + "): IN_SCREEN, INSET_DECOR");
4010                // This is the case for a normal activity window: we want it
4011                // to cover all of the screen space, and it can take care of
4012                // moving its contents to account for screen decorations that
4013                // intrude into that space.
4014                if (attached != null) {
4015                    // If this window is attached to another, our display
4016                    // frame is the same as the one we are attached to.
4017                    setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4018                } else {
4019                    if (attrs.type == TYPE_STATUS_BAR_PANEL
4020                            || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
4021                        // Status bar panels are the only windows who can go on top of
4022                        // the status bar.  They are protected by the STATUS_BAR_SERVICE
4023                        // permission, so they have the same privileges as the status
4024                        // bar itself.
4025                        //
4026                        // However, they should still dodge the navigation bar if it exists.
4027
4028                        pf.left = df.left = of.left = hasNavBar
4029                                ? mDockLeft : mUnrestrictedScreenLeft;
4030                        pf.top = df.top = of.top = mUnrestrictedScreenTop;
4031                        pf.right = df.right = of.right = hasNavBar
4032                                ? mRestrictedScreenLeft+mRestrictedScreenWidth
4033                                : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4034                        pf.bottom = df.bottom = of.bottom = hasNavBar
4035                                ? mRestrictedScreenTop+mRestrictedScreenHeight
4036                                : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4037
4038                        if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4039                                        "Laying out status bar window: (%d,%d - %d,%d)",
4040                                        pf.left, pf.top, pf.right, pf.bottom));
4041                    } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4042                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4043                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4044                        // Asking to layout into the overscan region, so give it that pure
4045                        // unrestricted area.
4046                        pf.left = df.left = of.left = mOverscanScreenLeft;
4047                        pf.top = df.top = of.top = mOverscanScreenTop;
4048                        pf.right = df.right = of.right = mOverscanScreenLeft + mOverscanScreenWidth;
4049                        pf.bottom = df.bottom = of.bottom = mOverscanScreenTop
4050                                + mOverscanScreenHeight;
4051                    } else if (canHideNavigationBar()
4052                            && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4053                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4054                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4055                        // Asking for layout as if the nav bar is hidden, lets the
4056                        // application extend into the unrestricted overscan screen area.  We
4057                        // only do this for application windows to ensure no window that
4058                        // can be above the nav bar can do this.
4059                        pf.left = df.left = mOverscanScreenLeft;
4060                        pf.top = df.top = mOverscanScreenTop;
4061                        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4062                        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4063                        // We need to tell the app about where the frame inside the overscan
4064                        // is, so it can inset its content by that amount -- it didn't ask
4065                        // to actually extend itself into the overscan region.
4066                        of.left = mUnrestrictedScreenLeft;
4067                        of.top = mUnrestrictedScreenTop;
4068                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4069                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4070                    } else {
4071                        pf.left = df.left = mRestrictedOverscanScreenLeft;
4072                        pf.top = df.top = mRestrictedOverscanScreenTop;
4073                        pf.right = df.right = mRestrictedOverscanScreenLeft
4074                                + mRestrictedOverscanScreenWidth;
4075                        pf.bottom = df.bottom = mRestrictedOverscanScreenTop
4076                                + mRestrictedOverscanScreenHeight;
4077                        // We need to tell the app about where the frame inside the overscan
4078                        // is, so it can inset its content by that amount -- it didn't ask
4079                        // to actually extend itself into the overscan region.
4080                        of.left = mUnrestrictedScreenLeft;
4081                        of.top = mUnrestrictedScreenTop;
4082                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4083                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4084                    }
4085
4086                    if ((fl & FLAG_FULLSCREEN) == 0) {
4087                        if (win.isVoiceInteraction()) {
4088                            cf.left = mVoiceContentLeft;
4089                            cf.top = mVoiceContentTop;
4090                            cf.right = mVoiceContentRight;
4091                            cf.bottom = mVoiceContentBottom;
4092                        } else {
4093                            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4094                                cf.left = mDockLeft;
4095                                cf.top = mDockTop;
4096                                cf.right = mDockRight;
4097                                cf.bottom = mDockBottom;
4098                            } else {
4099                                cf.left = mContentLeft;
4100                                cf.top = mContentTop;
4101                                cf.right = mContentRight;
4102                                cf.bottom = mContentBottom;
4103                            }
4104                        }
4105                    } else {
4106                        // Full screen windows are always given a layout that is as if the
4107                        // status bar and other transient decors are gone.  This is to avoid
4108                        // bad states when moving from a window that is not hding the
4109                        // status bar to one that is.
4110                        cf.left = mRestrictedScreenLeft;
4111                        cf.top = mRestrictedScreenTop;
4112                        cf.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
4113                        cf.bottom = mRestrictedScreenTop + mRestrictedScreenHeight;
4114                    }
4115                    applyStableConstraints(sysUiFl, fl, cf);
4116                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4117                        vf.left = mCurLeft;
4118                        vf.top = mCurTop;
4119                        vf.right = mCurRight;
4120                        vf.bottom = mCurBottom;
4121                    } else {
4122                        vf.set(cf);
4123                    }
4124                }
4125            } else if ((fl & FLAG_LAYOUT_IN_SCREEN) != 0 || (sysUiFl
4126                    & (View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
4127                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION)) != 0) {
4128                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4129                        "): IN_SCREEN");
4130                // A window that has requested to fill the entire screen just
4131                // gets everything, period.
4132                if (attrs.type == TYPE_STATUS_BAR_PANEL
4133                        || attrs.type == TYPE_STATUS_BAR_SUB_PANEL
4134                        || attrs.type == TYPE_VOLUME_OVERLAY) {
4135                    pf.left = df.left = of.left = cf.left = hasNavBar
4136                            ? mDockLeft : mUnrestrictedScreenLeft;
4137                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4138                    pf.right = df.right = of.right = cf.right = hasNavBar
4139                                        ? mRestrictedScreenLeft+mRestrictedScreenWidth
4140                                        : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4141                    pf.bottom = df.bottom = of.bottom = cf.bottom = hasNavBar
4142                                          ? mRestrictedScreenTop+mRestrictedScreenHeight
4143                                          : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4144                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4145                                    "Laying out IN_SCREEN status bar window: (%d,%d - %d,%d)",
4146                                    pf.left, pf.top, pf.right, pf.bottom));
4147                } else if (attrs.type == TYPE_NAVIGATION_BAR
4148                        || attrs.type == TYPE_NAVIGATION_BAR_PANEL) {
4149                    // The navigation bar has Real Ultimate Power.
4150                    pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4151                    pf.top = df.top = of.top = mUnrestrictedScreenTop;
4152                    pf.right = df.right = of.right = mUnrestrictedScreenLeft
4153                            + mUnrestrictedScreenWidth;
4154                    pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop
4155                            + mUnrestrictedScreenHeight;
4156                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4157                                    "Laying out navigation bar window: (%d,%d - %d,%d)",
4158                                    pf.left, pf.top, pf.right, pf.bottom));
4159                } else if ((attrs.type == TYPE_SECURE_SYSTEM_OVERLAY
4160                                || attrs.type == TYPE_BOOT_PROGRESS)
4161                        && ((fl & FLAG_FULLSCREEN) != 0)) {
4162                    // Fullscreen secure system overlays get what they ask for.
4163                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4164                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4165                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4166                            + mOverscanScreenWidth;
4167                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4168                            + mOverscanScreenHeight;
4169                } else if (attrs.type == TYPE_BOOT_PROGRESS) {
4170                    // Boot progress screen always covers entire display.
4171                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4172                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4173                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4174                            + mOverscanScreenWidth;
4175                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4176                            + mOverscanScreenHeight;
4177                } else if (attrs.type == TYPE_WALLPAPER) {
4178                    // The wallpaper also has Real Ultimate Power, but we want to tell
4179                    // it about the overscan area.
4180                    pf.left = df.left = mOverscanScreenLeft;
4181                    pf.top = df.top = mOverscanScreenTop;
4182                    pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4183                    pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4184                    of.left = cf.left = mUnrestrictedScreenLeft;
4185                    of.top = cf.top = mUnrestrictedScreenTop;
4186                    of.right = cf.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4187                    of.bottom = cf.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4188                } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4189                        && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4190                        && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4191                    // Asking to layout into the overscan region, so give it that pure
4192                    // unrestricted area.
4193                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4194                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4195                    pf.right = df.right = of.right = cf.right
4196                            = mOverscanScreenLeft + mOverscanScreenWidth;
4197                    pf.bottom = df.bottom = of.bottom = cf.bottom
4198                            = mOverscanScreenTop + mOverscanScreenHeight;
4199                } else if (canHideNavigationBar()
4200                        && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4201                        && (attrs.type == TYPE_STATUS_BAR
4202                            || attrs.type == TYPE_TOAST
4203                            || attrs.type == TYPE_VOICE_INTERACTION_STARTING
4204                            || (attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4205                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW))) {
4206                    // Asking for layout as if the nav bar is hidden, lets the
4207                    // application extend into the unrestricted screen area.  We
4208                    // only do this for application windows (or toasts) to ensure no window that
4209                    // can be above the nav bar can do this.
4210                    // XXX This assumes that an app asking for this will also
4211                    // ask for layout in only content.  We can't currently figure out
4212                    // what the screen would be if only laying out to hide the nav bar.
4213                    pf.left = df.left = of.left = cf.left = mUnrestrictedScreenLeft;
4214                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4215                    pf.right = df.right = of.right = cf.right = mUnrestrictedScreenLeft
4216                            + mUnrestrictedScreenWidth;
4217                    pf.bottom = df.bottom = of.bottom = cf.bottom = mUnrestrictedScreenTop
4218                            + mUnrestrictedScreenHeight;
4219                } else {
4220                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4221                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4222                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4223                            + mRestrictedScreenWidth;
4224                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4225                            + mRestrictedScreenHeight;
4226                }
4227
4228                applyStableConstraints(sysUiFl, fl, cf);
4229
4230                if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4231                    vf.left = mCurLeft;
4232                    vf.top = mCurTop;
4233                    vf.right = mCurRight;
4234                    vf.bottom = mCurBottom;
4235                } else {
4236                    vf.set(cf);
4237                }
4238            } else if (attached != null) {
4239                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4240                        "): attached to " + attached);
4241                // A child window should be placed inside of the same visible
4242                // frame that its parent had.
4243                setAttachedWindowFrames(win, fl, adjust, attached, false, pf, df, of, cf, vf);
4244            } else {
4245                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4246                        "): normal window");
4247                // Otherwise, a normal window must be placed inside the content
4248                // of all screen decorations.
4249                if (attrs.type == TYPE_STATUS_BAR_PANEL || attrs.type == TYPE_VOLUME_OVERLAY) {
4250                    // Status bar panels and the volume dialog are the only windows who can go on
4251                    // top of the status bar.  They are protected by the STATUS_BAR_SERVICE
4252                    // permission, so they have the same privileges as the status
4253                    // bar itself.
4254                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4255                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4256                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4257                            + mRestrictedScreenWidth;
4258                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4259                            + mRestrictedScreenHeight;
4260                } else if (attrs.type == TYPE_TOAST || attrs.type == TYPE_SYSTEM_ALERT) {
4261                    // These dialogs are stable to interim decor changes.
4262                    pf.left = df.left = of.left = cf.left = mStableLeft;
4263                    pf.top = df.top = of.top = cf.top = mStableTop;
4264                    pf.right = df.right = of.right = cf.right = mStableRight;
4265                    pf.bottom = df.bottom = of.bottom = cf.bottom = mStableBottom;
4266                } else {
4267                    pf.left = mContentLeft;
4268                    pf.top = mContentTop;
4269                    pf.right = mContentRight;
4270                    pf.bottom = mContentBottom;
4271                    if (win.isVoiceInteraction()) {
4272                        df.left = of.left = cf.left = mVoiceContentLeft;
4273                        df.top = of.top = cf.top = mVoiceContentTop;
4274                        df.right = of.right = cf.right = mVoiceContentRight;
4275                        df.bottom = of.bottom = cf.bottom = mVoiceContentBottom;
4276                    } else if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4277                        df.left = of.left = cf.left = mDockLeft;
4278                        df.top = of.top = cf.top = mDockTop;
4279                        df.right = of.right = cf.right = mDockRight;
4280                        df.bottom = of.bottom = cf.bottom = mDockBottom;
4281                    } else {
4282                        df.left = of.left = cf.left = mContentLeft;
4283                        df.top = of.top = cf.top = mContentTop;
4284                        df.right = of.right = cf.right = mContentRight;
4285                        df.bottom = of.bottom = cf.bottom = mContentBottom;
4286                    }
4287                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4288                        vf.left = mCurLeft;
4289                        vf.top = mCurTop;
4290                        vf.right = mCurRight;
4291                        vf.bottom = mCurBottom;
4292                    } else {
4293                        vf.set(cf);
4294                    }
4295                }
4296            }
4297        }
4298
4299        // TYPE_SYSTEM_ERROR is above the NavigationBar so it can't be allowed to extend over it.
4300        if ((fl & FLAG_LAYOUT_NO_LIMITS) != 0 && attrs.type != TYPE_SYSTEM_ERROR) {
4301            df.left = df.top = -10000;
4302            df.right = df.bottom = 10000;
4303            if (attrs.type != TYPE_WALLPAPER) {
4304                of.left = of.top = cf.left = cf.top = vf.left = vf.top = -10000;
4305                of.right = of.bottom = cf.right = cf.bottom = vf.right = vf.bottom = 10000;
4306            }
4307        }
4308
4309        // If the device has a chin (e.g. some watches), a dead area at the bottom of the screen we
4310        // need to provide information to the clients that want to pretend that you can draw there.
4311        // We only want to apply outsets to certain types of windows. For example, we never want to
4312        // apply the outsets to floating dialogs, because they wouldn't make sense there.
4313        final boolean useOutsets = shouldUseOutsets(attrs, fl);
4314        if (isDefaultDisplay && useOutsets) {
4315            osf = mTmpOutsetFrame;
4316            osf.set(cf.left, cf.top, cf.right, cf.bottom);
4317            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
4318            if (outset > 0) {
4319                int rotation = mDisplayRotation;
4320                if (rotation == Surface.ROTATION_0) {
4321                    osf.bottom += outset;
4322                } else if (rotation == Surface.ROTATION_90) {
4323                    osf.right += outset;
4324                } else if (rotation == Surface.ROTATION_180) {
4325                    osf.top -= outset;
4326                } else if (rotation == Surface.ROTATION_270) {
4327                    osf.left -= outset;
4328                }
4329                if (DEBUG_LAYOUT) Slog.v(TAG, "applying bottom outset of " + outset
4330                        + " with rotation " + rotation + ", result: " + osf);
4331            }
4332        }
4333
4334        if (DEBUG_LAYOUT) Slog.v(TAG, "Compute frame " + attrs.getTitle()
4335                + ": sim=#" + Integer.toHexString(sim)
4336                + " attach=" + attached + " type=" + attrs.type
4337                + String.format(" flags=0x%08x", fl)
4338                + " pf=" + pf.toShortString() + " df=" + df.toShortString()
4339                + " of=" + of.toShortString()
4340                + " cf=" + cf.toShortString() + " vf=" + vf.toShortString()
4341                + " dcf=" + dcf.toShortString()
4342                + " sf=" + sf.toShortString()
4343                + " osf=" + (osf == null ? "null" : osf.toShortString()));
4344
4345        win.computeFrameLw(pf, df, of, cf, vf, dcf, sf, osf);
4346
4347        // Dock windows carve out the bottom of the screen, so normal windows
4348        // can't appear underneath them.
4349        if (attrs.type == TYPE_INPUT_METHOD && win.isVisibleOrBehindKeyguardLw()
4350                && !win.getGivenInsetsPendingLw()) {
4351            setLastInputMethodWindowLw(null, null);
4352            offsetInputMethodWindowLw(win);
4353        }
4354        if (attrs.type == TYPE_VOICE_INTERACTION && win.isVisibleOrBehindKeyguardLw()
4355                && !win.getGivenInsetsPendingLw()) {
4356            offsetVoiceInputWindowLw(win);
4357        }
4358    }
4359
4360    private void offsetInputMethodWindowLw(WindowState win) {
4361        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4362        top += win.getGivenContentInsetsLw().top;
4363        if (mContentBottom > top) {
4364            mContentBottom = top;
4365        }
4366        if (mVoiceContentBottom > top) {
4367            mVoiceContentBottom = top;
4368        }
4369        top = win.getVisibleFrameLw().top;
4370        top += win.getGivenVisibleInsetsLw().top;
4371        if (mCurBottom > top) {
4372            mCurBottom = top;
4373        }
4374        if (DEBUG_LAYOUT) Slog.v(TAG, "Input method: mDockBottom="
4375                + mDockBottom + " mContentBottom="
4376                + mContentBottom + " mCurBottom=" + mCurBottom);
4377    }
4378
4379    private void offsetVoiceInputWindowLw(WindowState win) {
4380        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4381        top += win.getGivenContentInsetsLw().top;
4382        if (mVoiceContentBottom > top) {
4383            mVoiceContentBottom = top;
4384        }
4385    }
4386
4387    /** {@inheritDoc} */
4388    @Override
4389    public void finishLayoutLw() {
4390        return;
4391    }
4392
4393    /** {@inheritDoc} */
4394    @Override
4395    public void beginPostLayoutPolicyLw(int displayWidth, int displayHeight) {
4396        mTopFullscreenOpaqueWindowState = null;
4397        mTopFullscreenOpaqueOrDimmingWindowState = null;
4398        mAppsToBeHidden.clear();
4399        mAppsThatDismissKeyguard.clear();
4400        mForceStatusBar = false;
4401        mForceStatusBarFromKeyguard = false;
4402        mForceStatusBarTransparent = false;
4403        mForcingShowNavBar = false;
4404        mForcingShowNavBarLayer = -1;
4405
4406        mHideLockScreen = false;
4407        mAllowLockscreenWhenOn = false;
4408        mDismissKeyguard = DISMISS_KEYGUARD_NONE;
4409        mShowingLockscreen = false;
4410        mShowingDream = false;
4411        mWinShowWhenLocked = null;
4412        mKeyguardSecure = isKeyguardSecure();
4413        mKeyguardSecureIncludingHidden = mKeyguardSecure
4414                && (mKeyguardDelegate != null && mKeyguardDelegate.isShowing());
4415    }
4416
4417    /** {@inheritDoc} */
4418    @Override
4419    public void applyPostLayoutPolicyLw(WindowState win, WindowManager.LayoutParams attrs,
4420            WindowState attached) {
4421        if (DEBUG_LAYOUT) Slog.i(TAG, "Win " + win + ": isVisibleOrBehindKeyguardLw="
4422                + win.isVisibleOrBehindKeyguardLw());
4423        final int fl = PolicyControl.getWindowFlags(win, attrs);
4424        if (mTopFullscreenOpaqueWindowState == null
4425                && win.isVisibleLw() && attrs.type == TYPE_INPUT_METHOD) {
4426            mForcingShowNavBar = true;
4427            mForcingShowNavBarLayer = win.getSurfaceLayer();
4428        }
4429        if (attrs.type == TYPE_STATUS_BAR) {
4430            if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4431                mForceStatusBarFromKeyguard = true;
4432            }
4433            if ((attrs.privateFlags & PRIVATE_FLAG_FORCE_STATUS_BAR_VISIBLE_TRANSPARENT) != 0) {
4434                mForceStatusBarTransparent = true;
4435            }
4436        }
4437
4438        boolean appWindow = attrs.type >= FIRST_APPLICATION_WINDOW
4439                && attrs.type < FIRST_SYSTEM_WINDOW;
4440        final boolean showWhenLocked = (fl & FLAG_SHOW_WHEN_LOCKED) != 0;
4441        final boolean dismissKeyguard = (fl & FLAG_DISMISS_KEYGUARD) != 0;
4442
4443        if (mTopFullscreenOpaqueWindowState == null &&
4444                win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()) {
4445            if ((fl & FLAG_FORCE_NOT_FULLSCREEN) != 0) {
4446                if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4447                    mForceStatusBarFromKeyguard = true;
4448                } else {
4449                    mForceStatusBar = true;
4450                }
4451            }
4452            if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4453                mShowingLockscreen = true;
4454            }
4455            if (attrs.type == TYPE_DREAM) {
4456                // If the lockscreen was showing when the dream started then wait
4457                // for the dream to draw before hiding the lockscreen.
4458                if (!mDreamingLockscreen
4459                        || (win.isVisibleLw() && win.hasDrawnLw())) {
4460                    mShowingDream = true;
4461                    appWindow = true;
4462                }
4463            }
4464
4465            final IApplicationToken appToken = win.getAppToken();
4466
4467            // For app windows that are not attached, we decide if all windows in the app they
4468            // represent should be hidden or if we should hide the lockscreen. For attached app
4469            // windows we defer the decision to the window it is attached to.
4470            if (appWindow && attached == null) {
4471                if (showWhenLocked) {
4472                    // Remove any previous windows with the same appToken.
4473                    mAppsToBeHidden.remove(appToken);
4474                    mAppsThatDismissKeyguard.remove(appToken);
4475                    if (mAppsToBeHidden.isEmpty()) {
4476                        if (dismissKeyguard && !mKeyguardSecure) {
4477                            mAppsThatDismissKeyguard.add(appToken);
4478                        } else if (win.isDrawnLw() || win.hasAppShownWindows()) {
4479                            mWinShowWhenLocked = win;
4480                            mHideLockScreen = true;
4481                            mForceStatusBarFromKeyguard = false;
4482                        }
4483                    }
4484                } else if (dismissKeyguard) {
4485                    if (mKeyguardSecure) {
4486                        mAppsToBeHidden.add(appToken);
4487                    } else {
4488                        mAppsToBeHidden.remove(appToken);
4489                    }
4490                    mAppsThatDismissKeyguard.add(appToken);
4491                } else {
4492                    mAppsToBeHidden.add(appToken);
4493                }
4494                if (attrs.x == 0 && attrs.y == 0
4495                        && attrs.width == WindowManager.LayoutParams.MATCH_PARENT
4496                        && attrs.height == WindowManager.LayoutParams.MATCH_PARENT) {
4497                    if (DEBUG_LAYOUT) Slog.v(TAG, "Fullscreen window: " + win);
4498                    mTopFullscreenOpaqueWindowState = win;
4499                    if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
4500                        mTopFullscreenOpaqueOrDimmingWindowState = win;
4501                    }
4502                    if (!mAppsThatDismissKeyguard.isEmpty() &&
4503                            mDismissKeyguard == DISMISS_KEYGUARD_NONE) {
4504                        if (DEBUG_LAYOUT) Slog.v(TAG,
4505                                "Setting mDismissKeyguard true by win " + win);
4506                        mDismissKeyguard = (mWinDismissingKeyguard == win
4507                                && mSecureDismissingKeyguard == mKeyguardSecure)
4508                                ? DISMISS_KEYGUARD_CONTINUE : DISMISS_KEYGUARD_START;
4509                        mWinDismissingKeyguard = win;
4510                        mSecureDismissingKeyguard = mKeyguardSecure;
4511                        mForceStatusBarFromKeyguard = mShowingLockscreen && mKeyguardSecure;
4512                    } else if (mAppsToBeHidden.isEmpty() && showWhenLocked
4513                            && (win.isDrawnLw() || win.hasAppShownWindows())) {
4514                        if (DEBUG_LAYOUT) Slog.v(TAG,
4515                                "Setting mHideLockScreen to true by win " + win);
4516                        mHideLockScreen = true;
4517                        mForceStatusBarFromKeyguard = false;
4518                    }
4519                    if ((fl & FLAG_ALLOW_LOCK_WHILE_SCREEN_ON) != 0) {
4520                        mAllowLockscreenWhenOn = true;
4521                    }
4522                }
4523
4524                if (mWinShowWhenLocked != null &&
4525                        mWinShowWhenLocked.getAppToken() != win.getAppToken() &&
4526                        (attrs.flags & FLAG_SHOW_WHEN_LOCKED) == 0) {
4527                    win.hideLw(false);
4528                }
4529            }
4530        } else if (mTopFullscreenOpaqueWindowState == null && mWinShowWhenLocked == null) {
4531            // No TopFullscreenOpaqueWindow is showing, but we found a SHOW_WHEN_LOCKED window
4532            // that is being hidden in an animation - keep the
4533            // keyguard hidden until the new window shows up and
4534            // we know whether to show the keyguard or not.
4535            if (win.isAnimatingLw() && appWindow && showWhenLocked && mKeyguardHidden) {
4536                mHideLockScreen = true;
4537                mWinShowWhenLocked = win;
4538            }
4539        }
4540        if (mTopFullscreenOpaqueOrDimmingWindowState == null
4541                && win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()
4542                && win.isDimming()) {
4543            mTopFullscreenOpaqueOrDimmingWindowState = win;
4544        }
4545    }
4546
4547    /** {@inheritDoc} */
4548    @Override
4549    public int finishPostLayoutPolicyLw() {
4550        if (mWinShowWhenLocked != null && mTopFullscreenOpaqueWindowState != null &&
4551                mWinShowWhenLocked.getAppToken() != mTopFullscreenOpaqueWindowState.getAppToken()
4552                && isKeyguardLocked()) {
4553            // A dialog is dismissing the keyguard. Put the wallpaper behind it and hide the
4554            // fullscreen window.
4555            // TODO: Make sure FLAG_SHOW_WALLPAPER is restored when dialog is dismissed. Or not.
4556            mWinShowWhenLocked.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
4557            mTopFullscreenOpaqueWindowState.hideLw(false);
4558            mTopFullscreenOpaqueWindowState = mWinShowWhenLocked;
4559        }
4560
4561        int changes = 0;
4562        boolean topIsFullscreen = false;
4563
4564        final WindowManager.LayoutParams lp = (mTopFullscreenOpaqueWindowState != null)
4565                ? mTopFullscreenOpaqueWindowState.getAttrs()
4566                : null;
4567
4568        // If we are not currently showing a dream then remember the current
4569        // lockscreen state.  We will use this to determine whether the dream
4570        // started while the lockscreen was showing and remember this state
4571        // while the dream is showing.
4572        if (!mShowingDream) {
4573            mDreamingLockscreen = mShowingLockscreen;
4574            if (mDreamingSleepTokenNeeded) {
4575                mDreamingSleepTokenNeeded = false;
4576                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 0, 1).sendToTarget();
4577            }
4578        } else {
4579            if (!mDreamingSleepTokenNeeded) {
4580                mDreamingSleepTokenNeeded = true;
4581                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 1, 1).sendToTarget();
4582            }
4583        }
4584
4585        if (mStatusBar != null) {
4586            if (DEBUG_LAYOUT) Slog.i(TAG, "force=" + mForceStatusBar
4587                    + " forcefkg=" + mForceStatusBarFromKeyguard
4588                    + " top=" + mTopFullscreenOpaqueWindowState);
4589            boolean shouldBeTransparent = mForceStatusBarTransparent
4590                    && !mForceStatusBar
4591                    && !mForceStatusBarFromKeyguard;
4592            if (!shouldBeTransparent) {
4593                mStatusBarController.setShowTransparent(false /* transparent */);
4594            } else if (!mStatusBar.isVisibleLw()) {
4595                mStatusBarController.setShowTransparent(true /* transparent */);
4596            }
4597            if (mForceStatusBar || mForceStatusBarFromKeyguard || mForceStatusBarTransparent) {
4598                if (DEBUG_LAYOUT) Slog.v(TAG, "Showing status bar: forced");
4599                if (mStatusBarController.setBarShowingLw(true)) {
4600                    changes |= FINISH_LAYOUT_REDO_LAYOUT;
4601                }
4602                // Maintain fullscreen layout until incoming animation is complete.
4603                topIsFullscreen = mTopIsFullscreen && mStatusBar.isAnimatingLw();
4604                // Transient status bar on the lockscreen is not allowed
4605                if (mForceStatusBarFromKeyguard && mStatusBarController.isTransientShowing()) {
4606                    mStatusBarController.updateVisibilityLw(false /*transientAllowed*/,
4607                            mLastSystemUiFlags, mLastSystemUiFlags);
4608                }
4609            } else if (mTopFullscreenOpaqueWindowState != null) {
4610                final int fl = PolicyControl.getWindowFlags(null, lp);
4611                if (localLOGV) {
4612                    Slog.d(TAG, "frame: " + mTopFullscreenOpaqueWindowState.getFrameLw()
4613                            + " shown frame: " + mTopFullscreenOpaqueWindowState.getShownFrameLw());
4614                    Slog.d(TAG, "attr: " + mTopFullscreenOpaqueWindowState.getAttrs()
4615                            + " lp.flags=0x" + Integer.toHexString(fl));
4616                }
4617                topIsFullscreen = (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0
4618                        || (mLastSystemUiFlags & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
4619                // The subtle difference between the window for mTopFullscreenOpaqueWindowState
4620                // and mTopIsFullscreen is that mTopIsFullscreen is set only if the window
4621                // has the FLAG_FULLSCREEN set.  Not sure if there is another way that to be the
4622                // case though.
4623                if (mStatusBarController.isTransientShowing()) {
4624                    if (mStatusBarController.setBarShowingLw(true)) {
4625                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4626                    }
4627                } else if (topIsFullscreen) {
4628                    if (DEBUG_LAYOUT) Slog.v(TAG, "** HIDING status bar");
4629                    if (mStatusBarController.setBarShowingLw(false)) {
4630                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4631                    } else {
4632                        if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar already hiding");
4633                    }
4634                } else {
4635                    if (DEBUG_LAYOUT) Slog.v(TAG, "** SHOWING status bar: top is not fullscreen");
4636                    if (mStatusBarController.setBarShowingLw(true)) {
4637                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4638                    }
4639                }
4640            }
4641        }
4642
4643        if (mTopIsFullscreen != topIsFullscreen) {
4644            if (!topIsFullscreen) {
4645                // Force another layout when status bar becomes fully shown.
4646                changes |= FINISH_LAYOUT_REDO_LAYOUT;
4647            }
4648            mTopIsFullscreen = topIsFullscreen;
4649        }
4650
4651        // Hide the key guard if a visible window explicitly specifies that it wants to be
4652        // displayed when the screen is locked.
4653        if (mKeyguardDelegate != null && mStatusBar != null) {
4654            if (localLOGV) Slog.v(TAG, "finishPostLayoutPolicyLw: mHideKeyguard="
4655                    + mHideLockScreen);
4656            if (mDismissKeyguard != DISMISS_KEYGUARD_NONE && !mKeyguardSecure) {
4657                mKeyguardHidden = true;
4658                if (setKeyguardOccludedLw(true)) {
4659                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4660                            | FINISH_LAYOUT_REDO_CONFIG
4661                            | FINISH_LAYOUT_REDO_WALLPAPER;
4662                }
4663                if (mKeyguardDelegate.isShowing()) {
4664                    mHandler.post(new Runnable() {
4665                        @Override
4666                        public void run() {
4667                            mKeyguardDelegate.keyguardDone(false, false);
4668                        }
4669                    });
4670                }
4671            } else if (mHideLockScreen) {
4672                mKeyguardHidden = true;
4673                mWinDismissingKeyguard = null;
4674                if (setKeyguardOccludedLw(true)) {
4675                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4676                            | FINISH_LAYOUT_REDO_CONFIG
4677                            | FINISH_LAYOUT_REDO_WALLPAPER;
4678                }
4679            } else if (mDismissKeyguard != DISMISS_KEYGUARD_NONE) {
4680                mKeyguardHidden = false;
4681                if (setKeyguardOccludedLw(false)) {
4682                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4683                            | FINISH_LAYOUT_REDO_CONFIG
4684                            | FINISH_LAYOUT_REDO_WALLPAPER;
4685                }
4686                if (mDismissKeyguard == DISMISS_KEYGUARD_START) {
4687                    // Only launch the next keyguard unlock window once per window.
4688                    mHandler.post(new Runnable() {
4689                        @Override
4690                        public void run() {
4691                            mKeyguardDelegate.dismiss();
4692                        }
4693                    });
4694                }
4695            } else {
4696                mWinDismissingKeyguard = null;
4697                mSecureDismissingKeyguard = false;
4698                mKeyguardHidden = false;
4699                if (setKeyguardOccludedLw(false)) {
4700                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4701                            | FINISH_LAYOUT_REDO_CONFIG
4702                            | FINISH_LAYOUT_REDO_WALLPAPER;
4703                }
4704            }
4705        }
4706
4707        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
4708            // If the navigation bar has been hidden or shown, we need to do another
4709            // layout pass to update that window.
4710            changes |= FINISH_LAYOUT_REDO_LAYOUT;
4711        }
4712
4713        // update since mAllowLockscreenWhenOn might have changed
4714        updateLockScreenTimeout();
4715        return changes;
4716    }
4717
4718    /**
4719     * Updates the occluded state of the Keyguard.
4720     *
4721     * @return Whether the flags have changed and we have to redo the layout.
4722     */
4723    private boolean setKeyguardOccludedLw(boolean isOccluded) {
4724        boolean wasOccluded = mKeyguardOccluded;
4725        boolean showing = mKeyguardDelegate.isShowing();
4726        if (wasOccluded && !isOccluded && showing) {
4727            mKeyguardOccluded = false;
4728            mKeyguardDelegate.setOccluded(false);
4729            mStatusBar.getAttrs().privateFlags |= PRIVATE_FLAG_KEYGUARD;
4730            mStatusBar.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
4731            return true;
4732        } else if (!wasOccluded && isOccluded && showing) {
4733            mKeyguardOccluded = true;
4734            mKeyguardDelegate.setOccluded(true);
4735            mStatusBar.getAttrs().privateFlags &= ~PRIVATE_FLAG_KEYGUARD;
4736            mStatusBar.getAttrs().flags &= ~FLAG_SHOW_WALLPAPER;
4737            return true;
4738        } else {
4739            return false;
4740        }
4741    }
4742
4743    private boolean isStatusBarKeyguard() {
4744        return mStatusBar != null
4745                && (mStatusBar.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
4746    }
4747
4748    @Override
4749    public boolean allowAppAnimationsLw() {
4750        if (isStatusBarKeyguard() || mShowingDream) {
4751            // If keyguard or dreams is currently visible, no reason to animate behind it.
4752            return false;
4753        }
4754        return true;
4755    }
4756
4757    @Override
4758    public int focusChangedLw(WindowState lastFocus, WindowState newFocus) {
4759        mFocusedWindow = newFocus;
4760        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
4761            // If the navigation bar has been hidden or shown, we need to do another
4762            // layout pass to update that window.
4763            return FINISH_LAYOUT_REDO_LAYOUT;
4764        }
4765        return 0;
4766    }
4767
4768    /** {@inheritDoc} */
4769    @Override
4770    public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
4771        // lid changed state
4772        final int newLidState = lidOpen ? LID_OPEN : LID_CLOSED;
4773        if (newLidState == mLidState) {
4774            return;
4775        }
4776
4777        mLidState = newLidState;
4778        applyLidSwitchState();
4779        updateRotation(true);
4780
4781        if (lidOpen) {
4782            wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromLidSwitch,
4783                    "android.policy:LID");
4784        } else if (!mLidControlsSleep) {
4785            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
4786        }
4787    }
4788
4789    @Override
4790    public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) {
4791        int lensCoverState = lensCovered ? CAMERA_LENS_COVERED : CAMERA_LENS_UNCOVERED;
4792        if (mCameraLensCoverState == lensCoverState) {
4793            return;
4794        }
4795        if (mCameraLensCoverState == CAMERA_LENS_COVERED &&
4796                lensCoverState == CAMERA_LENS_UNCOVERED) {
4797            Intent intent;
4798            final boolean keyguardActive = mKeyguardDelegate == null ? false :
4799                    mKeyguardDelegate.isShowing();
4800            if (keyguardActive) {
4801                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);
4802            } else {
4803                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
4804            }
4805            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromCameraLens,
4806                    "android.policy:CAMERA_COVER");
4807            startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
4808        }
4809        mCameraLensCoverState = lensCoverState;
4810    }
4811
4812    void setHdmiPlugged(boolean plugged) {
4813        if (mHdmiPlugged != plugged) {
4814            mHdmiPlugged = plugged;
4815            updateRotation(true, true);
4816            Intent intent = new Intent(ACTION_HDMI_PLUGGED);
4817            intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
4818            intent.putExtra(EXTRA_HDMI_PLUGGED_STATE, plugged);
4819            mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
4820        }
4821    }
4822
4823    void initializeHdmiState() {
4824        boolean plugged = false;
4825        // watch for HDMI plug messages if the hdmi switch exists
4826        if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
4827            mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
4828
4829            final String filename = "/sys/class/switch/hdmi/state";
4830            FileReader reader = null;
4831            try {
4832                reader = new FileReader(filename);
4833                char[] buf = new char[15];
4834                int n = reader.read(buf);
4835                if (n > 1) {
4836                    plugged = 0 != Integer.parseInt(new String(buf, 0, n-1));
4837                }
4838            } catch (IOException ex) {
4839                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
4840            } catch (NumberFormatException ex) {
4841                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
4842            } finally {
4843                if (reader != null) {
4844                    try {
4845                        reader.close();
4846                    } catch (IOException ex) {
4847                    }
4848                }
4849            }
4850        }
4851        // This dance forces the code in setHdmiPlugged to run.
4852        // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
4853        mHdmiPlugged = !plugged;
4854        setHdmiPlugged(!mHdmiPlugged);
4855    }
4856
4857    final Object mScreenshotLock = new Object();
4858    ServiceConnection mScreenshotConnection = null;
4859
4860    final Runnable mScreenshotTimeout = new Runnable() {
4861        @Override public void run() {
4862            synchronized (mScreenshotLock) {
4863                if (mScreenshotConnection != null) {
4864                    mContext.unbindService(mScreenshotConnection);
4865                    mScreenshotConnection = null;
4866                }
4867            }
4868        }
4869    };
4870
4871    // Assume this is called from the Handler thread.
4872    private void takeScreenshot() {
4873        synchronized (mScreenshotLock) {
4874            if (mScreenshotConnection != null) {
4875                return;
4876            }
4877            ComponentName cn = new ComponentName("com.android.systemui",
4878                    "com.android.systemui.screenshot.TakeScreenshotService");
4879            Intent intent = new Intent();
4880            intent.setComponent(cn);
4881            ServiceConnection conn = new ServiceConnection() {
4882                @Override
4883                public void onServiceConnected(ComponentName name, IBinder service) {
4884                    synchronized (mScreenshotLock) {
4885                        if (mScreenshotConnection != this) {
4886                            return;
4887                        }
4888                        Messenger messenger = new Messenger(service);
4889                        Message msg = Message.obtain(null, 1);
4890                        final ServiceConnection myConn = this;
4891                        Handler h = new Handler(mHandler.getLooper()) {
4892                            @Override
4893                            public void handleMessage(Message msg) {
4894                                synchronized (mScreenshotLock) {
4895                                    if (mScreenshotConnection == myConn) {
4896                                        mContext.unbindService(mScreenshotConnection);
4897                                        mScreenshotConnection = null;
4898                                        mHandler.removeCallbacks(mScreenshotTimeout);
4899                                    }
4900                                }
4901                            }
4902                        };
4903                        msg.replyTo = new Messenger(h);
4904                        msg.arg1 = msg.arg2 = 0;
4905                        if (mStatusBar != null && mStatusBar.isVisibleLw())
4906                            msg.arg1 = 1;
4907                        if (mNavigationBar != null && mNavigationBar.isVisibleLw())
4908                            msg.arg2 = 1;
4909                        try {
4910                            messenger.send(msg);
4911                        } catch (RemoteException e) {
4912                        }
4913                    }
4914                }
4915                @Override
4916                public void onServiceDisconnected(ComponentName name) {}
4917            };
4918            if (mContext.bindServiceAsUser(
4919                    intent, conn, Context.BIND_AUTO_CREATE, UserHandle.CURRENT)) {
4920                mScreenshotConnection = conn;
4921                mHandler.postDelayed(mScreenshotTimeout, 10000);
4922            }
4923        }
4924    }
4925
4926    /** {@inheritDoc} */
4927    @Override
4928    public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) {
4929        if (!mSystemBooted) {
4930            // If we have not yet booted, don't let key events do anything.
4931            return 0;
4932        }
4933
4934        final boolean interactive = (policyFlags & FLAG_INTERACTIVE) != 0;
4935        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
4936        final boolean canceled = event.isCanceled();
4937        final int keyCode = event.getKeyCode();
4938
4939        final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;
4940
4941        // If screen is off then we treat the case where the keyguard is open but hidden
4942        // the same as if it were open and in front.
4943        // This will prevent any keys other than the power button from waking the screen
4944        // when the keyguard is hidden by another activity.
4945        final boolean keyguardActive = (mKeyguardDelegate == null ? false :
4946                                            (interactive ?
4947                                                isKeyguardShowingAndNotOccluded() :
4948                                                mKeyguardDelegate.isShowing()));
4949
4950        if (DEBUG_INPUT) {
4951            Log.d(TAG, "interceptKeyTq keycode=" + keyCode
4952                    + " interactive=" + interactive + " keyguardActive=" + keyguardActive
4953                    + " policyFlags=" + Integer.toHexString(policyFlags));
4954        }
4955
4956        // Basic policy based on interactive state.
4957        int result;
4958        boolean isWakeKey = (policyFlags & WindowManagerPolicy.FLAG_WAKE) != 0
4959                || event.isWakeKey();
4960        if (interactive || (isInjected && !isWakeKey)) {
4961            // When the device is interactive or the key is injected pass the
4962            // key to the application.
4963            result = ACTION_PASS_TO_USER;
4964            isWakeKey = false;
4965        } else if (!interactive && shouldDispatchInputWhenNonInteractive()) {
4966            // If we're currently dozing with the screen on and the keyguard showing, pass the key
4967            // to the application but preserve its wake key status to make sure we still move
4968            // from dozing to fully interactive if we would normally go from off to fully
4969            // interactive.
4970            result = ACTION_PASS_TO_USER;
4971        } else {
4972            // When the screen is off and the key is not injected, determine whether
4973            // to wake the device but don't pass the key to the application.
4974            result = 0;
4975            if (isWakeKey && (!down || !isWakeKeyWhenScreenOff(keyCode))) {
4976                isWakeKey = false;
4977            }
4978        }
4979
4980        // If the key would be handled globally, just return the result, don't worry about special
4981        // key processing.
4982        if (isValidGlobalKey(keyCode)
4983                && mGlobalKeyManager.shouldHandleGlobalKey(keyCode, event)) {
4984            if (isWakeKey) {
4985                wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
4986            }
4987            return result;
4988        }
4989
4990        boolean useHapticFeedback = down
4991                && (policyFlags & WindowManagerPolicy.FLAG_VIRTUAL) != 0
4992                && event.getRepeatCount() == 0;
4993
4994        // Handle special keys.
4995        switch (keyCode) {
4996            case KeyEvent.KEYCODE_VOLUME_DOWN:
4997            case KeyEvent.KEYCODE_VOLUME_UP:
4998            case KeyEvent.KEYCODE_VOLUME_MUTE: {
4999                if (mUseTvRouting) {
5000                    // On TVs volume keys never go to the foreground app
5001                    result &= ~ACTION_PASS_TO_USER;
5002                }
5003                if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
5004                    if (down) {
5005                        if (interactive && !mScreenshotChordVolumeDownKeyTriggered
5006                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5007                            mScreenshotChordVolumeDownKeyTriggered = true;
5008                            mScreenshotChordVolumeDownKeyTime = event.getDownTime();
5009                            mScreenshotChordVolumeDownKeyConsumed = false;
5010                            cancelPendingPowerKeyAction();
5011                            interceptScreenshotChord();
5012                        }
5013                    } else {
5014                        mScreenshotChordVolumeDownKeyTriggered = false;
5015                        cancelPendingScreenshotChordAction();
5016                    }
5017                } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
5018                    if (down) {
5019                        if (interactive && !mScreenshotChordVolumeUpKeyTriggered
5020                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5021                            mScreenshotChordVolumeUpKeyTriggered = true;
5022                            cancelPendingPowerKeyAction();
5023                            cancelPendingScreenshotChordAction();
5024                        }
5025                    } else {
5026                        mScreenshotChordVolumeUpKeyTriggered = false;
5027                        cancelPendingScreenshotChordAction();
5028                    }
5029                }
5030                if (down) {
5031                    TelecomManager telecomManager = getTelecommService();
5032                    if (telecomManager != null) {
5033                        if (telecomManager.isRinging()) {
5034                            // If an incoming call is ringing, either VOLUME key means
5035                            // "silence ringer".  We handle these keys here, rather than
5036                            // in the InCallScreen, to make sure we'll respond to them
5037                            // even if the InCallScreen hasn't come to the foreground yet.
5038                            // Look for the DOWN event here, to agree with the "fallback"
5039                            // behavior in the InCallScreen.
5040                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5041                                  + " VOLUME key-down while ringing: Silence ringer!");
5042
5043                            // Silence the ringer.  (It's safe to call this
5044                            // even if the ringer has already been silenced.)
5045                            telecomManager.silenceRinger();
5046
5047                            // And *don't* pass this key thru to the current activity
5048                            // (which is probably the InCallScreen.)
5049                            result &= ~ACTION_PASS_TO_USER;
5050                            break;
5051                        }
5052                        if (telecomManager.isInCall()
5053                                && (result & ACTION_PASS_TO_USER) == 0) {
5054                            // If we are in call but we decided not to pass the key to
5055                            // the application, just pass it to the session service.
5056
5057                            MediaSessionLegacyHelper.getHelper(mContext)
5058                                    .sendVolumeKeyEvent(event, false);
5059                            break;
5060                        }
5061                    }
5062
5063                    if ((result & ACTION_PASS_TO_USER) == 0) {
5064                        if (mUseTvRouting) {
5065                            dispatchDirectAudioEvent(event);
5066                        } else {
5067                            // If we aren't passing to the user and no one else
5068                            // handled it send it to the session manager to
5069                            // figure out.
5070                            MediaSessionLegacyHelper.getHelper(mContext)
5071                                    .sendVolumeKeyEvent(event, true);
5072                        }
5073                        break;
5074                    }
5075                }
5076                break;
5077            }
5078
5079            case KeyEvent.KEYCODE_ENDCALL: {
5080                result &= ~ACTION_PASS_TO_USER;
5081                if (down) {
5082                    TelecomManager telecomManager = getTelecommService();
5083                    boolean hungUp = false;
5084                    if (telecomManager != null) {
5085                        hungUp = telecomManager.endCall();
5086                    }
5087                    if (interactive && !hungUp) {
5088                        mEndCallKeyHandled = false;
5089                        mHandler.postDelayed(mEndCallLongPress,
5090                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
5091                    } else {
5092                        mEndCallKeyHandled = true;
5093                    }
5094                } else {
5095                    if (!mEndCallKeyHandled) {
5096                        mHandler.removeCallbacks(mEndCallLongPress);
5097                        if (!canceled) {
5098                            if ((mEndcallBehavior
5099                                    & Settings.System.END_BUTTON_BEHAVIOR_HOME) != 0) {
5100                                if (goHome()) {
5101                                    break;
5102                                }
5103                            }
5104                            if ((mEndcallBehavior
5105                                    & Settings.System.END_BUTTON_BEHAVIOR_SLEEP) != 0) {
5106                                mPowerManager.goToSleep(event.getEventTime(),
5107                                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
5108                                isWakeKey = false;
5109                            }
5110                        }
5111                    }
5112                }
5113                break;
5114            }
5115
5116            case KeyEvent.KEYCODE_POWER: {
5117                result &= ~ACTION_PASS_TO_USER;
5118                isWakeKey = false; // wake-up will be handled separately
5119                if (down) {
5120                    interceptPowerKeyDown(event, interactive);
5121                } else {
5122                    interceptPowerKeyUp(event, interactive, canceled);
5123                }
5124                break;
5125            }
5126
5127            case KeyEvent.KEYCODE_SLEEP: {
5128                result &= ~ACTION_PASS_TO_USER;
5129                isWakeKey = false;
5130                if (!mPowerManager.isInteractive()) {
5131                    useHapticFeedback = false; // suppress feedback if already non-interactive
5132                }
5133                if (down) {
5134                    sleepPress(event.getEventTime());
5135                } else {
5136                    sleepRelease(event.getEventTime());
5137                }
5138                break;
5139            }
5140
5141            case KeyEvent.KEYCODE_SOFT_SLEEP: {
5142                result &= ~ACTION_PASS_TO_USER;
5143                isWakeKey = false;
5144                if (!down) {
5145                    mPowerManagerInternal.setUserInactiveOverrideFromWindowManager();
5146                }
5147                break;
5148            }
5149
5150            case KeyEvent.KEYCODE_WAKEUP: {
5151                result &= ~ACTION_PASS_TO_USER;
5152                isWakeKey = true;
5153                break;
5154            }
5155
5156            case KeyEvent.KEYCODE_MEDIA_PLAY:
5157            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5158            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5159            case KeyEvent.KEYCODE_HEADSETHOOK:
5160            case KeyEvent.KEYCODE_MUTE:
5161            case KeyEvent.KEYCODE_MEDIA_STOP:
5162            case KeyEvent.KEYCODE_MEDIA_NEXT:
5163            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5164            case KeyEvent.KEYCODE_MEDIA_REWIND:
5165            case KeyEvent.KEYCODE_MEDIA_RECORD:
5166            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5167            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: {
5168                if (MediaSessionLegacyHelper.getHelper(mContext).isGlobalPriorityActive()) {
5169                    // If the global session is active pass all media keys to it
5170                    // instead of the active window.
5171                    result &= ~ACTION_PASS_TO_USER;
5172                }
5173                if ((result & ACTION_PASS_TO_USER) == 0) {
5174                    // Only do this if we would otherwise not pass it to the user. In that
5175                    // case, the PhoneWindow class will do the same thing, except it will
5176                    // only do it if the showing app doesn't process the key on its own.
5177                    // Note that we need to make a copy of the key event here because the
5178                    // original key event will be recycled when we return.
5179                    mBroadcastWakeLock.acquire();
5180                    Message msg = mHandler.obtainMessage(MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK,
5181                            new KeyEvent(event));
5182                    msg.setAsynchronous(true);
5183                    msg.sendToTarget();
5184                }
5185                break;
5186            }
5187
5188            case KeyEvent.KEYCODE_CALL: {
5189                if (down) {
5190                    TelecomManager telecomManager = getTelecommService();
5191                    if (telecomManager != null) {
5192                        if (telecomManager.isRinging()) {
5193                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5194                                  + " CALL key-down while ringing: Answer the call!");
5195                            telecomManager.acceptRingingCall();
5196
5197                            // And *don't* pass this key thru to the current activity
5198                            // (which is presumably the InCallScreen.)
5199                            result &= ~ACTION_PASS_TO_USER;
5200                        }
5201                    }
5202                }
5203                break;
5204            }
5205            case KeyEvent.KEYCODE_VOICE_ASSIST: {
5206                // Only do this if we would otherwise not pass it to the user. In that case,
5207                // interceptKeyBeforeDispatching would apply a similar but different policy in
5208                // order to invoke voice assist actions. Note that we need to make a copy of the
5209                // key event here because the original key event will be recycled when we return.
5210                if ((result & ACTION_PASS_TO_USER) == 0 && !down) {
5211                    mBroadcastWakeLock.acquire();
5212                    Message msg = mHandler.obtainMessage(MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK,
5213                            keyguardActive ? 1 : 0, 0);
5214                    msg.setAsynchronous(true);
5215                    msg.sendToTarget();
5216                }
5217            }
5218        }
5219
5220        if (useHapticFeedback) {
5221            performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
5222        }
5223
5224        if (isWakeKey) {
5225            wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5226        }
5227
5228        return result;
5229    }
5230
5231    /**
5232     * Returns true if the key can have global actions attached to it.
5233     * We reserve all power management keys for the system since they require
5234     * very careful handling.
5235     */
5236    private static boolean isValidGlobalKey(int keyCode) {
5237        switch (keyCode) {
5238            case KeyEvent.KEYCODE_POWER:
5239            case KeyEvent.KEYCODE_WAKEUP:
5240            case KeyEvent.KEYCODE_SLEEP:
5241                return false;
5242            default:
5243                return true;
5244        }
5245    }
5246
5247    /**
5248     * When the screen is off we ignore some keys that might otherwise typically
5249     * be considered wake keys.  We filter them out here.
5250     *
5251     * {@link KeyEvent#KEYCODE_POWER} is notably absent from this list because it
5252     * is always considered a wake key.
5253     */
5254    private boolean isWakeKeyWhenScreenOff(int keyCode) {
5255        switch (keyCode) {
5256            // ignore volume keys unless docked
5257            case KeyEvent.KEYCODE_VOLUME_UP:
5258            case KeyEvent.KEYCODE_VOLUME_DOWN:
5259            case KeyEvent.KEYCODE_VOLUME_MUTE:
5260                return mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;
5261
5262            // ignore media and camera keys
5263            case KeyEvent.KEYCODE_MUTE:
5264            case KeyEvent.KEYCODE_HEADSETHOOK:
5265            case KeyEvent.KEYCODE_MEDIA_PLAY:
5266            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5267            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5268            case KeyEvent.KEYCODE_MEDIA_STOP:
5269            case KeyEvent.KEYCODE_MEDIA_NEXT:
5270            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5271            case KeyEvent.KEYCODE_MEDIA_REWIND:
5272            case KeyEvent.KEYCODE_MEDIA_RECORD:
5273            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5274            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK:
5275            case KeyEvent.KEYCODE_CAMERA:
5276                return false;
5277        }
5278        return true;
5279    }
5280
5281
5282    /** {@inheritDoc} */
5283    @Override
5284    public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) {
5285        if ((policyFlags & FLAG_WAKE) != 0) {
5286            if (wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotion,
5287                    "android.policy:MOTION")) {
5288                return 0;
5289            }
5290        }
5291
5292        if (shouldDispatchInputWhenNonInteractive()) {
5293            return ACTION_PASS_TO_USER;
5294        }
5295
5296        // If we have not passed the action up and we are in theater mode without dreaming,
5297        // there will be no dream to intercept the touch and wake into ambient.  The device should
5298        // wake up in this case.
5299        if (isTheaterModeEnabled() && (policyFlags & FLAG_WAKE) != 0) {
5300            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotionWhenNotDreaming,
5301                    "android.policy:MOTION");
5302        }
5303
5304        return 0;
5305    }
5306
5307    private boolean shouldDispatchInputWhenNonInteractive() {
5308        if (mDisplay == null || mDisplay.getState() == Display.STATE_OFF) {
5309            return false;
5310        }
5311        // Send events to keyguard while the screen is on and it's showing.
5312        if (isKeyguardShowingAndNotOccluded()) {
5313            return true;
5314        }
5315
5316        // Send events to a dozing dream even if the screen is off since the dream
5317        // is in control of the state of the screen.
5318        IDreamManager dreamManager = getDreamManager();
5319
5320        try {
5321            if (dreamManager != null && dreamManager.isDreaming()) {
5322                return true;
5323            }
5324        } catch (RemoteException e) {
5325            Slog.e(TAG, "RemoteException when checking if dreaming", e);
5326        }
5327
5328        // Otherwise, consume events since the user can't see what is being
5329        // interacted with.
5330        return false;
5331    }
5332
5333    private void dispatchDirectAudioEvent(KeyEvent event) {
5334        if (event.getAction() != KeyEvent.ACTION_DOWN) {
5335            return;
5336        }
5337        int keyCode = event.getKeyCode();
5338        int flags = AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_PLAY_SOUND
5339                | AudioManager.FLAG_FROM_KEY;
5340        String pkgName = mContext.getOpPackageName();
5341        switch (keyCode) {
5342            case KeyEvent.KEYCODE_VOLUME_UP:
5343                try {
5344                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_RAISE,
5345                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
5346                } catch (RemoteException e) {
5347                    Log.e(TAG, "Error dispatching volume up in dispatchTvAudioEvent.", e);
5348                }
5349                break;
5350            case KeyEvent.KEYCODE_VOLUME_DOWN:
5351                try {
5352                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_LOWER,
5353                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
5354                } catch (RemoteException e) {
5355                    Log.e(TAG, "Error dispatching volume down in dispatchTvAudioEvent.", e);
5356                }
5357                break;
5358            case KeyEvent.KEYCODE_VOLUME_MUTE:
5359                try {
5360                    if (event.getRepeatCount() == 0) {
5361                        getAudioService().adjustSuggestedStreamVolume(
5362                                AudioManager.ADJUST_TOGGLE_MUTE,
5363                                AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
5364                    }
5365                } catch (RemoteException e) {
5366                    Log.e(TAG, "Error dispatching mute in dispatchTvAudioEvent.", e);
5367                }
5368                break;
5369        }
5370    }
5371
5372    void dispatchMediaKeyWithWakeLock(KeyEvent event) {
5373        if (DEBUG_INPUT) {
5374            Slog.d(TAG, "dispatchMediaKeyWithWakeLock: " + event);
5375        }
5376
5377        if (mHavePendingMediaKeyRepeatWithWakeLock) {
5378            if (DEBUG_INPUT) {
5379                Slog.d(TAG, "dispatchMediaKeyWithWakeLock: canceled repeat");
5380            }
5381
5382            mHandler.removeMessages(MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK);
5383            mHavePendingMediaKeyRepeatWithWakeLock = false;
5384            mBroadcastWakeLock.release(); // pending repeat was holding onto the wake lock
5385        }
5386
5387        dispatchMediaKeyWithWakeLockToAudioService(event);
5388
5389        if (event.getAction() == KeyEvent.ACTION_DOWN
5390                && event.getRepeatCount() == 0) {
5391            mHavePendingMediaKeyRepeatWithWakeLock = true;
5392
5393            Message msg = mHandler.obtainMessage(
5394                    MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK, event);
5395            msg.setAsynchronous(true);
5396            mHandler.sendMessageDelayed(msg, ViewConfiguration.getKeyRepeatTimeout());
5397        } else {
5398            mBroadcastWakeLock.release();
5399        }
5400    }
5401
5402    void dispatchMediaKeyRepeatWithWakeLock(KeyEvent event) {
5403        mHavePendingMediaKeyRepeatWithWakeLock = false;
5404
5405        KeyEvent repeatEvent = KeyEvent.changeTimeRepeat(event,
5406                SystemClock.uptimeMillis(), 1, event.getFlags() | KeyEvent.FLAG_LONG_PRESS);
5407        if (DEBUG_INPUT) {
5408            Slog.d(TAG, "dispatchMediaKeyRepeatWithWakeLock: " + repeatEvent);
5409        }
5410
5411        dispatchMediaKeyWithWakeLockToAudioService(repeatEvent);
5412        mBroadcastWakeLock.release();
5413    }
5414
5415    void dispatchMediaKeyWithWakeLockToAudioService(KeyEvent event) {
5416        if (ActivityManagerNative.isSystemReady()) {
5417            MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(event, true);
5418        }
5419    }
5420
5421    void launchVoiceAssistWithWakeLock(boolean keyguardActive) {
5422        IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
5423                ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
5424        if (dic != null) {
5425            try {
5426                dic.exitIdle("voice-search");
5427            } catch (RemoteException e) {
5428            }
5429        }
5430        Intent voiceIntent =
5431            new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
5432        voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, keyguardActive);
5433        startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
5434        mBroadcastWakeLock.release();
5435    }
5436
5437    BroadcastReceiver mDockReceiver = new BroadcastReceiver() {
5438        @Override
5439        public void onReceive(Context context, Intent intent) {
5440            if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
5441                mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
5442                        Intent.EXTRA_DOCK_STATE_UNDOCKED);
5443            } else {
5444                try {
5445                    IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
5446                            ServiceManager.getService(Context.UI_MODE_SERVICE));
5447                    mUiMode = uiModeService.getCurrentModeType();
5448                } catch (RemoteException e) {
5449                }
5450            }
5451            updateRotation(true);
5452            synchronized (mLock) {
5453                updateOrientationListenerLp();
5454            }
5455        }
5456    };
5457
5458    BroadcastReceiver mDreamReceiver = new BroadcastReceiver() {
5459        @Override
5460        public void onReceive(Context context, Intent intent) {
5461            if (Intent.ACTION_DREAMING_STARTED.equals(intent.getAction())) {
5462                if (mKeyguardDelegate != null) {
5463                    mKeyguardDelegate.onDreamingStarted();
5464                }
5465            } else if (Intent.ACTION_DREAMING_STOPPED.equals(intent.getAction())) {
5466                if (mKeyguardDelegate != null) {
5467                    mKeyguardDelegate.onDreamingStopped();
5468                }
5469            }
5470        }
5471    };
5472
5473    BroadcastReceiver mMultiuserReceiver = new BroadcastReceiver() {
5474        @Override
5475        public void onReceive(Context context, Intent intent) {
5476            if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) {
5477                // tickle the settings observer: this first ensures that we're
5478                // observing the relevant settings for the newly-active user,
5479                // and then updates our own bookkeeping based on the now-
5480                // current user.
5481                mSettingsObserver.onChange(false);
5482
5483                // force a re-application of focused window sysui visibility.
5484                // the window may never have been shown for this user
5485                // e.g. the keyguard when going through the new-user setup flow
5486                synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5487                    mLastSystemUiFlags = 0;
5488                    updateSystemUiVisibilityLw();
5489                }
5490            }
5491        }
5492    };
5493
5494    private final Runnable mHiddenNavPanic = new Runnable() {
5495        @Override
5496        public void run() {
5497            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5498                if (!isUserSetupComplete()) {
5499                    // Swipe-up for navigation bar is disabled during setup
5500                    return;
5501                }
5502                mPendingPanicGestureUptime = SystemClock.uptimeMillis();
5503                mNavigationBarController.showTransient();
5504            }
5505        }
5506    };
5507
5508    private void requestTransientBars(WindowState swipeTarget) {
5509        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5510            if (!isUserSetupComplete()) {
5511                // Swipe-up for navigation bar is disabled during setup
5512                return;
5513            }
5514            boolean sb = mStatusBarController.checkShowTransientBarLw();
5515            boolean nb = mNavigationBarController.checkShowTransientBarLw();
5516            if (sb || nb) {
5517                // Don't show status bar when swiping on already visible navigation bar
5518                if (!nb && swipeTarget == mNavigationBar) {
5519                    if (DEBUG) Slog.d(TAG, "Not showing transient bar, wrong swipe target");
5520                    return;
5521                }
5522                if (sb) mStatusBarController.showTransient();
5523                if (nb) mNavigationBarController.showTransient();
5524                mImmersiveModeConfirmation.confirmCurrentPrompt();
5525                updateSystemUiVisibilityLw();
5526            }
5527        }
5528    }
5529
5530    // Called on the PowerManager's Notifier thread.
5531    @Override
5532    public void startedGoingToSleep(int why) {
5533        if (DEBUG_WAKEUP) Slog.i(TAG, "Started going to sleep... (why=" + why + ")");
5534        if (mKeyguardDelegate != null) {
5535            mKeyguardDelegate.onStartedGoingToSleep(why);
5536        }
5537    }
5538
5539    // Called on the PowerManager's Notifier thread.
5540    @Override
5541    public void finishedGoingToSleep(int why) {
5542        EventLog.writeEvent(70000, 0);
5543        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished going to sleep... (why=" + why + ")");
5544        MetricsLogger.histogram(mContext, "screen_timeout", mLockScreenTimeout / 1000);
5545
5546        // We must get this work done here because the power manager will drop
5547        // the wake lock and let the system suspend once this function returns.
5548        synchronized (mLock) {
5549            mAwake = false;
5550            updateWakeGestureListenerLp();
5551            updateOrientationListenerLp();
5552            updateLockScreenTimeout();
5553        }
5554        if (mKeyguardDelegate != null) {
5555            mKeyguardDelegate.onFinishedGoingToSleep(why);
5556        }
5557    }
5558
5559    // Called on the PowerManager's Notifier thread.
5560    @Override
5561    public void startedWakingUp() {
5562        EventLog.writeEvent(70000, 1);
5563        if (DEBUG_WAKEUP) Slog.i(TAG, "Started waking up...");
5564
5565        // Since goToSleep performs these functions synchronously, we must
5566        // do the same here.  We cannot post this work to a handler because
5567        // that might cause it to become reordered with respect to what
5568        // may happen in a future call to goToSleep.
5569        synchronized (mLock) {
5570            mAwake = true;
5571
5572            updateWakeGestureListenerLp();
5573            updateOrientationListenerLp();
5574            updateLockScreenTimeout();
5575        }
5576
5577        if (mKeyguardDelegate != null) {
5578            mKeyguardDelegate.onStartedWakingUp();
5579        }
5580    }
5581
5582    // Called on the PowerManager's Notifier thread.
5583    @Override
5584    public void finishedWakingUp() {
5585        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished waking up...");
5586    }
5587
5588    private void wakeUpFromPowerKey(long eventTime) {
5589        wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey, "android.policy:POWER");
5590    }
5591
5592    private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode, String reason) {
5593        final boolean theaterModeEnabled = isTheaterModeEnabled();
5594        if (!wakeInTheaterMode && theaterModeEnabled) {
5595            return false;
5596        }
5597
5598        if (theaterModeEnabled) {
5599            Settings.Global.putInt(mContext.getContentResolver(),
5600                    Settings.Global.THEATER_MODE_ON, 0);
5601        }
5602
5603        mPowerManager.wakeUp(wakeTime, reason);
5604        return true;
5605    }
5606
5607    private void finishKeyguardDrawn() {
5608        synchronized (mLock) {
5609            if (!mScreenOnEarly || mKeyguardDrawComplete) {
5610                return; // We are not awake yet or we have already informed of this event.
5611            }
5612
5613            mKeyguardDrawComplete = true;
5614            if (mKeyguardDelegate != null) {
5615                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
5616            }
5617            mWindowManagerDrawComplete = false;
5618        }
5619
5620        // ... eventually calls finishWindowsDrawn which will finalize our screen turn on
5621        // as well as enabling the orientation change logic/sensor.
5622        mWindowManagerInternal.waitForAllWindowsDrawn(mWindowManagerDrawCallback,
5623                WAITING_FOR_DRAWN_TIMEOUT);
5624    }
5625
5626    // Called on the DisplayManager's DisplayPowerController thread.
5627    @Override
5628    public void screenTurnedOff() {
5629        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turned off...");
5630
5631        updateScreenOffSleepToken(true);
5632        synchronized (mLock) {
5633            mScreenOnEarly = false;
5634            mScreenOnFully = false;
5635            mKeyguardDrawComplete = false;
5636            mWindowManagerDrawComplete = false;
5637            mScreenOnListener = null;
5638            updateOrientationListenerLp();
5639
5640            if (mKeyguardDelegate != null) {
5641                mKeyguardDelegate.onScreenTurnedOff();
5642            }
5643        }
5644    }
5645
5646    // Called on the DisplayManager's DisplayPowerController thread.
5647    @Override
5648    public void screenTurningOn(final ScreenOnListener screenOnListener) {
5649        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turning on...");
5650
5651        updateScreenOffSleepToken(false);
5652        synchronized (mLock) {
5653            mScreenOnEarly = true;
5654            mScreenOnFully = false;
5655            mKeyguardDrawComplete = false;
5656            mWindowManagerDrawComplete = false;
5657            mScreenOnListener = screenOnListener;
5658
5659            if (mKeyguardDelegate != null) {
5660                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
5661                mHandler.sendEmptyMessageDelayed(MSG_KEYGUARD_DRAWN_TIMEOUT, 1000);
5662                mKeyguardDelegate.onScreenTurningOn(mKeyguardDrawnCallback);
5663            } else {
5664                if (DEBUG_WAKEUP) Slog.d(TAG,
5665                        "null mKeyguardDelegate: setting mKeyguardDrawComplete.");
5666                finishKeyguardDrawn();
5667            }
5668        }
5669    }
5670
5671    // Called on the DisplayManager's DisplayPowerController thread.
5672    @Override
5673    public void screenTurnedOn() {
5674        synchronized (mLock) {
5675            if (mKeyguardDelegate != null) {
5676                mKeyguardDelegate.onScreenTurnedOn();
5677            }
5678        }
5679    }
5680
5681    private void finishWindowsDrawn() {
5682        synchronized (mLock) {
5683            if (!mScreenOnEarly || mWindowManagerDrawComplete) {
5684                return; // Screen is not turned on or we did already handle this case earlier.
5685            }
5686
5687            mWindowManagerDrawComplete = true;
5688        }
5689
5690        finishScreenTurningOn();
5691    }
5692
5693    private void finishScreenTurningOn() {
5694        synchronized (mLock) {
5695            // We have just finished drawing screen content. Since the orientation listener
5696            // gets only installed when all windows are drawn, we try to install it again.
5697            updateOrientationListenerLp();
5698        }
5699        final ScreenOnListener listener;
5700        final boolean enableScreen;
5701        synchronized (mLock) {
5702            if (DEBUG_WAKEUP) Slog.d(TAG,
5703                    "finishScreenTurningOn: mAwake=" + mAwake
5704                            + ", mScreenOnEarly=" + mScreenOnEarly
5705                            + ", mScreenOnFully=" + mScreenOnFully
5706                            + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
5707                            + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
5708
5709            if (mScreenOnFully || !mScreenOnEarly || !mWindowManagerDrawComplete
5710                    || (mAwake && !mKeyguardDrawComplete)) {
5711                return; // spurious or not ready yet
5712            }
5713
5714            if (DEBUG_WAKEUP) Slog.i(TAG, "Finished screen turning on...");
5715            listener = mScreenOnListener;
5716            mScreenOnListener = null;
5717            mScreenOnFully = true;
5718
5719            // Remember the first time we draw the keyguard so we know when we're done with
5720            // the main part of booting and can enable the screen and hide boot messages.
5721            if (!mKeyguardDrawnOnce && mAwake) {
5722                mKeyguardDrawnOnce = true;
5723                enableScreen = true;
5724                if (mBootMessageNeedsHiding) {
5725                    mBootMessageNeedsHiding = false;
5726                    hideBootMessages();
5727                }
5728            } else {
5729                enableScreen = false;
5730            }
5731        }
5732
5733        if (listener != null) {
5734            listener.onScreenOn();
5735        }
5736
5737        if (enableScreen) {
5738            try {
5739                mWindowManager.enableScreenIfNeeded();
5740            } catch (RemoteException unhandled) {
5741            }
5742        }
5743    }
5744
5745    private void handleHideBootMessage() {
5746        synchronized (mLock) {
5747            if (!mKeyguardDrawnOnce) {
5748                mBootMessageNeedsHiding = true;
5749                return; // keyguard hasn't drawn the first time yet, not done booting
5750            }
5751        }
5752
5753        if (mBootMsgDialog != null) {
5754            if (DEBUG_WAKEUP) Slog.d(TAG, "handleHideBootMessage: dismissing");
5755            mBootMsgDialog.dismiss();
5756            mBootMsgDialog = null;
5757        }
5758    }
5759
5760    @Override
5761    public boolean isScreenOn() {
5762        return mScreenOnFully;
5763    }
5764
5765    /** {@inheritDoc} */
5766    @Override
5767    public void enableKeyguard(boolean enabled) {
5768        if (mKeyguardDelegate != null) {
5769            mKeyguardDelegate.setKeyguardEnabled(enabled);
5770        }
5771    }
5772
5773    /** {@inheritDoc} */
5774    @Override
5775    public void exitKeyguardSecurely(OnKeyguardExitResult callback) {
5776        if (mKeyguardDelegate != null) {
5777            mKeyguardDelegate.verifyUnlock(callback);
5778        }
5779    }
5780
5781    private boolean isKeyguardShowingAndNotOccluded() {
5782        if (mKeyguardDelegate == null) return false;
5783        return mKeyguardDelegate.isShowing() && !mKeyguardOccluded;
5784    }
5785
5786    /** {@inheritDoc} */
5787    @Override
5788    public boolean isKeyguardLocked() {
5789        return keyguardOn();
5790    }
5791
5792    /** {@inheritDoc} */
5793    @Override
5794    public boolean isKeyguardSecure() {
5795        if (mKeyguardDelegate == null) return false;
5796        return mKeyguardDelegate.isSecure();
5797    }
5798
5799    /** {@inheritDoc} */
5800    @Override
5801    public boolean isKeyguardShowingOrOccluded() {
5802        return mKeyguardDelegate == null ? false : mKeyguardDelegate.isShowing();
5803    }
5804
5805    /** {@inheritDoc} */
5806    @Override
5807    public boolean inKeyguardRestrictedKeyInputMode() {
5808        if (mKeyguardDelegate == null) return false;
5809        return mKeyguardDelegate.isInputRestricted();
5810    }
5811
5812    @Override
5813    public void dismissKeyguardLw() {
5814        if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
5815            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.dismissKeyguardLw");
5816            mHandler.post(new Runnable() {
5817                @Override
5818                public void run() {
5819                    // ask the keyguard to prompt the user to authenticate if necessary
5820                    mKeyguardDelegate.dismiss();
5821                }
5822            });
5823        }
5824    }
5825
5826    public void notifyActivityDrawnForKeyguardLw() {
5827        if (mKeyguardDelegate != null) {
5828            mHandler.post(new Runnable() {
5829                @Override
5830                public void run() {
5831                    mKeyguardDelegate.onActivityDrawn();
5832                }
5833            });
5834        }
5835    }
5836
5837    @Override
5838    public boolean isKeyguardDrawnLw() {
5839        synchronized (mLock) {
5840            return mKeyguardDrawnOnce;
5841        }
5842    }
5843
5844    @Override
5845    public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
5846        if (mKeyguardDelegate != null) {
5847            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.startKeyguardExitAnimation");
5848            mKeyguardDelegate.startKeyguardExitAnimation(startTime, fadeoutDuration);
5849        }
5850    }
5851
5852    void sendCloseSystemWindows() {
5853        PhoneWindow.sendCloseSystemWindows(mContext, null);
5854    }
5855
5856    void sendCloseSystemWindows(String reason) {
5857        PhoneWindow.sendCloseSystemWindows(mContext, reason);
5858    }
5859
5860    @Override
5861    public int rotationForOrientationLw(int orientation, int lastRotation) {
5862        if (false) {
5863            Slog.v(TAG, "rotationForOrientationLw(orient="
5864                        + orientation + ", last=" + lastRotation
5865                        + "); user=" + mUserRotation + " "
5866                        + ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED)
5867                            ? "USER_ROTATION_LOCKED" : "")
5868                        );
5869        }
5870
5871        if (mForceDefaultOrientation) {
5872            return Surface.ROTATION_0;
5873        }
5874
5875        synchronized (mLock) {
5876            int sensorRotation = mOrientationListener.getProposedRotation(); // may be -1
5877            if (sensorRotation < 0) {
5878                sensorRotation = lastRotation;
5879            }
5880
5881            final int preferredRotation;
5882            if (mLidState == LID_OPEN && mLidOpenRotation >= 0) {
5883                // Ignore sensor when lid switch is open and rotation is forced.
5884                preferredRotation = mLidOpenRotation;
5885            } else if (mDockMode == Intent.EXTRA_DOCK_STATE_CAR
5886                    && (mCarDockEnablesAccelerometer || mCarDockRotation >= 0)) {
5887                // Ignore sensor when in car dock unless explicitly enabled.
5888                // This case can override the behavior of NOSENSOR, and can also
5889                // enable 180 degree rotation while docked.
5890                preferredRotation = mCarDockEnablesAccelerometer
5891                        ? sensorRotation : mCarDockRotation;
5892            } else if ((mDockMode == Intent.EXTRA_DOCK_STATE_DESK
5893                    || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
5894                    || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK)
5895                    && (mDeskDockEnablesAccelerometer || mDeskDockRotation >= 0)) {
5896                // Ignore sensor when in desk dock unless explicitly enabled.
5897                // This case can override the behavior of NOSENSOR, and can also
5898                // enable 180 degree rotation while docked.
5899                preferredRotation = mDeskDockEnablesAccelerometer
5900                        ? sensorRotation : mDeskDockRotation;
5901            } else if (mHdmiPlugged && mDemoHdmiRotationLock) {
5902                // Ignore sensor when plugged into HDMI when demo HDMI rotation lock enabled.
5903                // Note that the dock orientation overrides the HDMI orientation.
5904                preferredRotation = mDemoHdmiRotation;
5905            } else if (mHdmiPlugged && mDockMode == Intent.EXTRA_DOCK_STATE_UNDOCKED
5906                    && mUndockedHdmiRotation >= 0) {
5907                // Ignore sensor when plugged into HDMI and an undocked orientation has
5908                // been specified in the configuration (only for legacy devices without
5909                // full multi-display support).
5910                // Note that the dock orientation overrides the HDMI orientation.
5911                preferredRotation = mUndockedHdmiRotation;
5912            } else if (mDemoRotationLock) {
5913                // Ignore sensor when demo rotation lock is enabled.
5914                // Note that the dock orientation and HDMI rotation lock override this.
5915                preferredRotation = mDemoRotation;
5916            } else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {
5917                // Application just wants to remain locked in the last rotation.
5918                preferredRotation = lastRotation;
5919            } else if (!mSupportAutoRotation) {
5920                // If we don't support auto-rotation then bail out here and ignore
5921                // the sensor and any rotation lock settings.
5922                preferredRotation = -1;
5923            } else if ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE
5924                            && (orientation == ActivityInfo.SCREEN_ORIENTATION_USER
5925                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
5926                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
5927                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT
5928                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER))
5929                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
5930                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
5931                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE
5932                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) {
5933                // Otherwise, use sensor only if requested by the application or enabled
5934                // by default for USER or UNSPECIFIED modes.  Does not apply to NOSENSOR.
5935                if (mAllowAllRotations < 0) {
5936                    // Can't read this during init() because the context doesn't
5937                    // have display metrics at that time so we cannot determine
5938                    // tablet vs. phone then.
5939                    mAllowAllRotations = mContext.getResources().getBoolean(
5940                            com.android.internal.R.bool.config_allowAllRotations) ? 1 : 0;
5941                }
5942                if (sensorRotation != Surface.ROTATION_180
5943                        || mAllowAllRotations == 1
5944                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
5945                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER) {
5946                    preferredRotation = sensorRotation;
5947                } else {
5948                    preferredRotation = lastRotation;
5949                }
5950            } else if (mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED
5951                    && orientation != ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
5952                // Apply rotation lock.  Does not apply to NOSENSOR.
5953                // The idea is that the user rotation expresses a weak preference for the direction
5954                // of gravity and as NOSENSOR is never affected by gravity, then neither should
5955                // NOSENSOR be affected by rotation lock (although it will be affected by docks).
5956                preferredRotation = mUserRotation;
5957            } else {
5958                // No overriding preference.
5959                // We will do exactly what the application asked us to do.
5960                preferredRotation = -1;
5961            }
5962
5963            switch (orientation) {
5964                case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
5965                    // Return portrait unless overridden.
5966                    if (isAnyPortrait(preferredRotation)) {
5967                        return preferredRotation;
5968                    }
5969                    return mPortraitRotation;
5970
5971                case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
5972                    // Return landscape unless overridden.
5973                    if (isLandscapeOrSeascape(preferredRotation)) {
5974                        return preferredRotation;
5975                    }
5976                    return mLandscapeRotation;
5977
5978                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
5979                    // Return reverse portrait unless overridden.
5980                    if (isAnyPortrait(preferredRotation)) {
5981                        return preferredRotation;
5982                    }
5983                    return mUpsideDownRotation;
5984
5985                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
5986                    // Return seascape unless overridden.
5987                    if (isLandscapeOrSeascape(preferredRotation)) {
5988                        return preferredRotation;
5989                    }
5990                    return mSeascapeRotation;
5991
5992                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
5993                case ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE:
5994                    // Return either landscape rotation.
5995                    if (isLandscapeOrSeascape(preferredRotation)) {
5996                        return preferredRotation;
5997                    }
5998                    if (isLandscapeOrSeascape(lastRotation)) {
5999                        return lastRotation;
6000                    }
6001                    return mLandscapeRotation;
6002
6003                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6004                case ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT:
6005                    // Return either portrait rotation.
6006                    if (isAnyPortrait(preferredRotation)) {
6007                        return preferredRotation;
6008                    }
6009                    if (isAnyPortrait(lastRotation)) {
6010                        return lastRotation;
6011                    }
6012                    return mPortraitRotation;
6013
6014                default:
6015                    // For USER, UNSPECIFIED, NOSENSOR, SENSOR and FULL_SENSOR,
6016                    // just return the preferred orientation we already calculated.
6017                    if (preferredRotation >= 0) {
6018                        return preferredRotation;
6019                    }
6020                    return Surface.ROTATION_0;
6021            }
6022        }
6023    }
6024
6025    @Override
6026    public boolean rotationHasCompatibleMetricsLw(int orientation, int rotation) {
6027        switch (orientation) {
6028            case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6029            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6030            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6031                return isAnyPortrait(rotation);
6032
6033            case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6034            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6035            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6036                return isLandscapeOrSeascape(rotation);
6037
6038            default:
6039                return true;
6040        }
6041    }
6042
6043    @Override
6044    public void setRotationLw(int rotation) {
6045        mOrientationListener.setCurrentRotation(rotation);
6046    }
6047
6048    private boolean isLandscapeOrSeascape(int rotation) {
6049        return rotation == mLandscapeRotation || rotation == mSeascapeRotation;
6050    }
6051
6052    private boolean isAnyPortrait(int rotation) {
6053        return rotation == mPortraitRotation || rotation == mUpsideDownRotation;
6054    }
6055
6056    @Override
6057    public int getUserRotationMode() {
6058        return Settings.System.getIntForUser(mContext.getContentResolver(),
6059                Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
6060                        WindowManagerPolicy.USER_ROTATION_FREE :
6061                                WindowManagerPolicy.USER_ROTATION_LOCKED;
6062    }
6063
6064    // User rotation: to be used when all else fails in assigning an orientation to the device
6065    @Override
6066    public void setUserRotationMode(int mode, int rot) {
6067        ContentResolver res = mContext.getContentResolver();
6068
6069        // mUserRotationMode and mUserRotation will be assigned by the content observer
6070        if (mode == WindowManagerPolicy.USER_ROTATION_LOCKED) {
6071            Settings.System.putIntForUser(res,
6072                    Settings.System.USER_ROTATION,
6073                    rot,
6074                    UserHandle.USER_CURRENT);
6075            Settings.System.putIntForUser(res,
6076                    Settings.System.ACCELEROMETER_ROTATION,
6077                    0,
6078                    UserHandle.USER_CURRENT);
6079        } else {
6080            Settings.System.putIntForUser(res,
6081                    Settings.System.ACCELEROMETER_ROTATION,
6082                    1,
6083                    UserHandle.USER_CURRENT);
6084        }
6085    }
6086
6087    @Override
6088    public void setSafeMode(boolean safeMode) {
6089        mSafeMode = safeMode;
6090        performHapticFeedbackLw(null, safeMode
6091                ? HapticFeedbackConstants.SAFE_MODE_ENABLED
6092                : HapticFeedbackConstants.SAFE_MODE_DISABLED, true);
6093    }
6094
6095    static long[] getLongIntArray(Resources r, int resid) {
6096        int[] ar = r.getIntArray(resid);
6097        if (ar == null) {
6098            return null;
6099        }
6100        long[] out = new long[ar.length];
6101        for (int i=0; i<ar.length; i++) {
6102            out[i] = ar[i];
6103        }
6104        return out;
6105    }
6106
6107    /** {@inheritDoc} */
6108    @Override
6109    public void systemReady() {
6110        mKeyguardDelegate = new KeyguardServiceDelegate(mContext);
6111        mKeyguardDelegate.onSystemReady();
6112
6113        readCameraLensCoverState();
6114        updateUiMode();
6115        boolean bindKeyguardNow;
6116        synchronized (mLock) {
6117            updateOrientationListenerLp();
6118            mSystemReady = true;
6119            mHandler.post(new Runnable() {
6120                @Override
6121                public void run() {
6122                    updateSettings();
6123                }
6124            });
6125
6126            bindKeyguardNow = mDeferBindKeyguard;
6127            if (bindKeyguardNow) {
6128                // systemBooted ran but wasn't able to bind to the Keyguard, we'll do it now.
6129                mDeferBindKeyguard = false;
6130            }
6131        }
6132
6133        if (bindKeyguardNow) {
6134            mKeyguardDelegate.bindService(mContext);
6135            mKeyguardDelegate.onBootCompleted();
6136        }
6137        mSystemGestures.systemReady();
6138    }
6139
6140    /** {@inheritDoc} */
6141    @Override
6142    public void systemBooted() {
6143        boolean bindKeyguardNow = false;
6144        synchronized (mLock) {
6145            // Time to bind Keyguard; take care to only bind it once, either here if ready or
6146            // in systemReady if not.
6147            if (mKeyguardDelegate != null) {
6148                bindKeyguardNow = true;
6149            } else {
6150                // Because mKeyguardDelegate is null, we know that the synchronized block in
6151                // systemReady didn't run yet and setting this will actually have an effect.
6152                mDeferBindKeyguard = true;
6153            }
6154        }
6155        if (bindKeyguardNow) {
6156            mKeyguardDelegate.bindService(mContext);
6157            mKeyguardDelegate.onBootCompleted();
6158        }
6159        synchronized (mLock) {
6160            mSystemBooted = true;
6161        }
6162        startedWakingUp();
6163        screenTurningOn(null);
6164        screenTurnedOn();
6165    }
6166
6167    ProgressDialog mBootMsgDialog = null;
6168
6169    /** {@inheritDoc} */
6170    @Override
6171    public void showBootMessage(final CharSequence msg, final boolean always) {
6172        mHandler.post(new Runnable() {
6173            @Override public void run() {
6174                if (mBootMsgDialog == null) {
6175                    int theme;
6176                    if (mContext.getPackageManager().hasSystemFeature(
6177                            PackageManager.FEATURE_WATCH)) {
6178                        theme = com.android.internal.R.style.Theme_Micro_Dialog_Alert;
6179                    } else if (mContext.getPackageManager().hasSystemFeature(
6180                            PackageManager.FEATURE_TELEVISION)) {
6181                        theme = com.android.internal.R.style.Theme_Leanback_Dialog_Alert;
6182                    } else {
6183                        theme = 0;
6184                    }
6185
6186                    mBootMsgDialog = new ProgressDialog(mContext, theme) {
6187                        // This dialog will consume all events coming in to
6188                        // it, to avoid it trying to do things too early in boot.
6189                        @Override public boolean dispatchKeyEvent(KeyEvent event) {
6190                            return true;
6191                        }
6192                        @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
6193                            return true;
6194                        }
6195                        @Override public boolean dispatchTouchEvent(MotionEvent ev) {
6196                            return true;
6197                        }
6198                        @Override public boolean dispatchTrackballEvent(MotionEvent ev) {
6199                            return true;
6200                        }
6201                        @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) {
6202                            return true;
6203                        }
6204                        @Override public boolean dispatchPopulateAccessibilityEvent(
6205                                AccessibilityEvent event) {
6206                            return true;
6207                        }
6208                    };
6209                    if (mContext.getPackageManager().isUpgrade()) {
6210                        mBootMsgDialog.setTitle(R.string.android_upgrading_title);
6211                    } else {
6212                        mBootMsgDialog.setTitle(R.string.android_start_title);
6213                    }
6214                    mBootMsgDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
6215                    mBootMsgDialog.setIndeterminate(true);
6216                    mBootMsgDialog.getWindow().setType(
6217                            WindowManager.LayoutParams.TYPE_BOOT_PROGRESS);
6218                    mBootMsgDialog.getWindow().addFlags(
6219                            WindowManager.LayoutParams.FLAG_DIM_BEHIND
6220                            | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
6221                    mBootMsgDialog.getWindow().setDimAmount(1);
6222                    WindowManager.LayoutParams lp = mBootMsgDialog.getWindow().getAttributes();
6223                    lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
6224                    mBootMsgDialog.getWindow().setAttributes(lp);
6225                    mBootMsgDialog.setCancelable(false);
6226                    mBootMsgDialog.show();
6227                }
6228                mBootMsgDialog.setMessage(msg);
6229            }
6230        });
6231    }
6232
6233    /** {@inheritDoc} */
6234    @Override
6235    public void hideBootMessages() {
6236        mHandler.sendEmptyMessage(MSG_HIDE_BOOT_MESSAGE);
6237    }
6238
6239    /** {@inheritDoc} */
6240    @Override
6241    public void userActivity() {
6242        // ***************************************
6243        // NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
6244        // ***************************************
6245        // THIS IS CALLED FROM DEEP IN THE POWER MANAGER
6246        // WITH ITS LOCKS HELD.
6247        //
6248        // This code must be VERY careful about the locks
6249        // it acquires.
6250        // In fact, the current code acquires way too many,
6251        // and probably has lurking deadlocks.
6252
6253        synchronized (mScreenLockTimeout) {
6254            if (mLockScreenTimerActive) {
6255                // reset the timer
6256                mHandler.removeCallbacks(mScreenLockTimeout);
6257                mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
6258            }
6259        }
6260    }
6261
6262    class ScreenLockTimeout implements Runnable {
6263        Bundle options;
6264
6265        @Override
6266        public void run() {
6267            synchronized (this) {
6268                if (localLOGV) Log.v(TAG, "mScreenLockTimeout activating keyguard");
6269                if (mKeyguardDelegate != null) {
6270                    mKeyguardDelegate.doKeyguardTimeout(options);
6271                }
6272                mLockScreenTimerActive = false;
6273                options = null;
6274            }
6275        }
6276
6277        public void setLockOptions(Bundle options) {
6278            this.options = options;
6279        }
6280    }
6281
6282    ScreenLockTimeout mScreenLockTimeout = new ScreenLockTimeout();
6283
6284    @Override
6285    public void lockNow(Bundle options) {
6286        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);
6287        mHandler.removeCallbacks(mScreenLockTimeout);
6288        if (options != null) {
6289            // In case multiple calls are made to lockNow, we don't wipe out the options
6290            // until the runnable actually executes.
6291            mScreenLockTimeout.setLockOptions(options);
6292        }
6293        mHandler.post(mScreenLockTimeout);
6294    }
6295
6296    private void updateLockScreenTimeout() {
6297        synchronized (mScreenLockTimeout) {
6298            boolean enable = (mAllowLockscreenWhenOn && mAwake &&
6299                    mKeyguardDelegate != null && mKeyguardDelegate.isSecure());
6300            if (mLockScreenTimerActive != enable) {
6301                if (enable) {
6302                    if (localLOGV) Log.v(TAG, "setting lockscreen timer");
6303                    mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
6304                } else {
6305                    if (localLOGV) Log.v(TAG, "clearing lockscreen timer");
6306                    mHandler.removeCallbacks(mScreenLockTimeout);
6307                }
6308                mLockScreenTimerActive = enable;
6309            }
6310        }
6311    }
6312
6313    private void updateDreamingSleepToken(boolean acquire) {
6314        if (acquire) {
6315            if (mDreamingSleepToken == null) {
6316                mDreamingSleepToken = mActivityManagerInternal.acquireSleepToken("Dream");
6317            }
6318        } else {
6319            if (mDreamingSleepToken != null) {
6320                mDreamingSleepToken.release();
6321                mDreamingSleepToken = null;
6322            }
6323        }
6324    }
6325
6326    private void updateScreenOffSleepToken(boolean acquire) {
6327        if (acquire) {
6328            if (mScreenOffSleepToken == null) {
6329                mScreenOffSleepToken = mActivityManagerInternal.acquireSleepToken("ScreenOff");
6330            }
6331        } else {
6332            if (mScreenOffSleepToken != null) {
6333                mScreenOffSleepToken.release();
6334                mScreenOffSleepToken = null;
6335            }
6336        }
6337    }
6338
6339    /** {@inheritDoc} */
6340    @Override
6341    public void enableScreenAfterBoot() {
6342        readLidState();
6343        applyLidSwitchState();
6344        updateRotation(true);
6345    }
6346
6347    private void applyLidSwitchState() {
6348        if (mLidState == LID_CLOSED && mLidControlsSleep) {
6349            mPowerManager.goToSleep(SystemClock.uptimeMillis(),
6350                    PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH,
6351                    PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
6352        }
6353
6354        synchronized (mLock) {
6355            updateWakeGestureListenerLp();
6356        }
6357    }
6358
6359    void updateUiMode() {
6360        if (mUiModeManager == null) {
6361            mUiModeManager = IUiModeManager.Stub.asInterface(
6362                    ServiceManager.getService(Context.UI_MODE_SERVICE));
6363        }
6364        try {
6365            mUiMode = mUiModeManager.getCurrentModeType();
6366        } catch (RemoteException e) {
6367        }
6368    }
6369
6370    void updateRotation(boolean alwaysSendConfiguration) {
6371        try {
6372            //set orientation on WindowManager
6373            mWindowManager.updateRotation(alwaysSendConfiguration, false);
6374        } catch (RemoteException e) {
6375            // Ignore
6376        }
6377    }
6378
6379    void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
6380        try {
6381            //set orientation on WindowManager
6382            mWindowManager.updateRotation(alwaysSendConfiguration, forceRelayout);
6383        } catch (RemoteException e) {
6384            // Ignore
6385        }
6386    }
6387
6388    /**
6389     * Return an Intent to launch the currently active dock app as home.  Returns
6390     * null if the standard home should be launched, which is the case if any of the following is
6391     * true:
6392     * <ul>
6393     *  <li>The device is not in either car mode or desk mode
6394     *  <li>The device is in car mode but ENABLE_CAR_DOCK_HOME_CAPTURE is false
6395     *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
6396     *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
6397     *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
6398     * </ul>
6399     * @return A dock intent.
6400     */
6401    Intent createHomeDockIntent() {
6402        Intent intent = null;
6403
6404        // What home does is based on the mode, not the dock state.  That
6405        // is, when in car mode you should be taken to car home regardless
6406        // of whether we are actually in a car dock.
6407        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
6408            if (ENABLE_CAR_DOCK_HOME_CAPTURE) {
6409                intent = mCarDockIntent;
6410            }
6411        } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
6412            if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
6413                intent = mDeskDockIntent;
6414            }
6415        } else if (mUiMode == Configuration.UI_MODE_TYPE_WATCH
6416                && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
6417                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK
6418                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK)) {
6419            // Always launch dock home from home when watch is docked, if it exists.
6420            intent = mDeskDockIntent;
6421        }
6422
6423        if (intent == null) {
6424            return null;
6425        }
6426
6427        ActivityInfo ai = null;
6428        ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(
6429                intent,
6430                PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_META_DATA,
6431                mCurrentUserId);
6432        if (info != null) {
6433            ai = info.activityInfo;
6434        }
6435        if (ai != null
6436                && ai.metaData != null
6437                && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
6438            intent = new Intent(intent);
6439            intent.setClassName(ai.packageName, ai.name);
6440            return intent;
6441        }
6442
6443        return null;
6444    }
6445
6446    void startDockOrHome(boolean fromHomeKey, boolean awakenFromDreams) {
6447        if (awakenFromDreams) {
6448            awakenDreams();
6449        }
6450
6451        Intent dock = createHomeDockIntent();
6452        if (dock != null) {
6453            try {
6454                if (fromHomeKey) {
6455                    dock.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
6456                }
6457                startActivityAsUser(dock, UserHandle.CURRENT);
6458                return;
6459            } catch (ActivityNotFoundException e) {
6460            }
6461        }
6462
6463        Intent intent;
6464
6465        if (fromHomeKey) {
6466            intent = new Intent(mHomeIntent);
6467            intent.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
6468        } else {
6469            intent = mHomeIntent;
6470        }
6471
6472        startActivityAsUser(intent, UserHandle.CURRENT);
6473    }
6474
6475    /**
6476     * goes to the home screen
6477     * @return whether it did anything
6478     */
6479    boolean goHome() {
6480        if (!isUserSetupComplete()) {
6481            Slog.i(TAG, "Not going home because user setup is in progress.");
6482            return false;
6483        }
6484        if (false) {
6485            // This code always brings home to the front.
6486            try {
6487                ActivityManagerNative.getDefault().stopAppSwitches();
6488            } catch (RemoteException e) {
6489            }
6490            sendCloseSystemWindows();
6491            startDockOrHome(false /*fromHomeKey*/, true /* awakenFromDreams */);
6492        } else {
6493            // This code brings home to the front or, if it is already
6494            // at the front, puts the device to sleep.
6495            try {
6496                if (SystemProperties.getInt("persist.sys.uts-test-mode", 0) == 1) {
6497                    /// Roll back EndcallBehavior as the cupcake design to pass P1 lab entry.
6498                    Log.d(TAG, "UTS-TEST-MODE");
6499                } else {
6500                    ActivityManagerNative.getDefault().stopAppSwitches();
6501                    sendCloseSystemWindows();
6502                    Intent dock = createHomeDockIntent();
6503                    if (dock != null) {
6504                        int result = ActivityManagerNative.getDefault()
6505                                .startActivityAsUser(null, null, dock,
6506                                        dock.resolveTypeIfNeeded(mContext.getContentResolver()),
6507                                        null, null, 0,
6508                                        ActivityManager.START_FLAG_ONLY_IF_NEEDED,
6509                                        null, null, UserHandle.USER_CURRENT);
6510                        if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
6511                            return false;
6512                        }
6513                    }
6514                }
6515                int result = ActivityManagerNative.getDefault()
6516                        .startActivityAsUser(null, null, mHomeIntent,
6517                                mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
6518                                null, null, 0,
6519                                ActivityManager.START_FLAG_ONLY_IF_NEEDED,
6520                                null, null, UserHandle.USER_CURRENT);
6521                if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
6522                    return false;
6523                }
6524            } catch (RemoteException ex) {
6525                // bummer, the activity manager, which is in this process, is dead
6526            }
6527        }
6528        return true;
6529    }
6530
6531    @Override
6532    public void setCurrentOrientationLw(int newOrientation) {
6533        synchronized (mLock) {
6534            if (newOrientation != mCurrentAppOrientation) {
6535                mCurrentAppOrientation = newOrientation;
6536                updateOrientationListenerLp();
6537            }
6538        }
6539    }
6540
6541    private void performAuditoryFeedbackForAccessibilityIfNeed() {
6542        if (!isGlobalAccessibilityGestureEnabled()) {
6543            return;
6544        }
6545        AudioManager audioManager = (AudioManager) mContext.getSystemService(
6546                Context.AUDIO_SERVICE);
6547        if (audioManager.isSilentMode()) {
6548            return;
6549        }
6550        Ringtone ringTone = RingtoneManager.getRingtone(mContext,
6551                Settings.System.DEFAULT_NOTIFICATION_URI);
6552        ringTone.setStreamType(AudioManager.STREAM_MUSIC);
6553        ringTone.play();
6554    }
6555
6556    private boolean isTheaterModeEnabled() {
6557        return Settings.Global.getInt(mContext.getContentResolver(),
6558                Settings.Global.THEATER_MODE_ON, 0) == 1;
6559    }
6560
6561    private boolean isGlobalAccessibilityGestureEnabled() {
6562        return Settings.Global.getInt(mContext.getContentResolver(),
6563                Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED, 0) == 1;
6564    }
6565
6566    @Override
6567    public boolean performHapticFeedbackLw(WindowState win, int effectId, boolean always) {
6568        if (!mVibrator.hasVibrator()) {
6569            return false;
6570        }
6571        final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(),
6572                Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0;
6573        if (hapticsDisabled && !always) {
6574            return false;
6575        }
6576        long[] pattern = null;
6577        switch (effectId) {
6578            case HapticFeedbackConstants.LONG_PRESS:
6579                pattern = mLongPressVibePattern;
6580                break;
6581            case HapticFeedbackConstants.VIRTUAL_KEY:
6582                pattern = mVirtualKeyVibePattern;
6583                break;
6584            case HapticFeedbackConstants.KEYBOARD_TAP:
6585                pattern = mKeyboardTapVibePattern;
6586                break;
6587            case HapticFeedbackConstants.CLOCK_TICK:
6588                pattern = mClockTickVibePattern;
6589                break;
6590            case HapticFeedbackConstants.CALENDAR_DATE:
6591                pattern = mCalendarDateVibePattern;
6592                break;
6593            case HapticFeedbackConstants.SAFE_MODE_DISABLED:
6594                pattern = mSafeModeDisabledVibePattern;
6595                break;
6596            case HapticFeedbackConstants.SAFE_MODE_ENABLED:
6597                pattern = mSafeModeEnabledVibePattern;
6598                break;
6599            case HapticFeedbackConstants.CONTEXT_CLICK:
6600                pattern = mContextClickVibePattern;
6601                break;
6602            default:
6603                return false;
6604        }
6605        int owningUid;
6606        String owningPackage;
6607        if (win != null) {
6608            owningUid = win.getOwningUid();
6609            owningPackage = win.getOwningPackage();
6610        } else {
6611            owningUid = android.os.Process.myUid();
6612            owningPackage = mContext.getOpPackageName();
6613        }
6614        if (pattern.length == 1) {
6615            // One-shot vibration
6616            mVibrator.vibrate(owningUid, owningPackage, pattern[0], VIBRATION_ATTRIBUTES);
6617        } else {
6618            // Pattern vibration
6619            mVibrator.vibrate(owningUid, owningPackage, pattern, -1, VIBRATION_ATTRIBUTES);
6620        }
6621        return true;
6622    }
6623
6624    @Override
6625    public void keepScreenOnStartedLw() {
6626    }
6627
6628    @Override
6629    public void keepScreenOnStoppedLw() {
6630        if (isKeyguardShowingAndNotOccluded()) {
6631            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
6632        }
6633    }
6634
6635    private int updateSystemUiVisibilityLw() {
6636        // If there is no window focused, there will be nobody to handle the events
6637        // anyway, so just hang on in whatever state we're in until things settle down.
6638        final WindowState win = mFocusedWindow != null ? mFocusedWindow
6639                : mTopFullscreenOpaqueWindowState;
6640        if (win == null) {
6641            return 0;
6642        }
6643        if ((win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 && mHideLockScreen == true) {
6644            // We are updating at a point where the keyguard has gotten
6645            // focus, but we were last in a state where the top window is
6646            // hiding it.  This is probably because the keyguard as been
6647            // shown while the top window was displayed, so we want to ignore
6648            // it here because this is just a very transient change and it
6649            // will quickly lose focus once it correctly gets hidden.
6650            return 0;
6651        }
6652
6653        int tmpVisibility = PolicyControl.getSystemUiVisibility(win, null)
6654                & ~mResettingSystemUiFlags
6655                & ~mForceClearedSystemUiFlags;
6656        if (mForcingShowNavBar && win.getSurfaceLayer() < mForcingShowNavBarLayer) {
6657            tmpVisibility &= ~PolicyControl.adjustClearableFlags(win, View.SYSTEM_UI_CLEARABLE_FLAGS);
6658        }
6659
6660        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
6661            tmpVisibility |= StatusBarManager.DISABLE_RECENT;
6662        }
6663
6664        tmpVisibility = updateLightStatusBarLw(tmpVisibility);
6665        final int visibility = updateSystemBarsLw(win, mLastSystemUiFlags, tmpVisibility);
6666        final int diff = visibility ^ mLastSystemUiFlags;
6667        final boolean needsMenu = win.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
6668        if (diff == 0 && mLastFocusNeedsMenu == needsMenu
6669                && mFocusedApp == win.getAppToken()) {
6670            return 0;
6671        }
6672        mLastSystemUiFlags = visibility;
6673        mLastFocusNeedsMenu = needsMenu;
6674        mFocusedApp = win.getAppToken();
6675        mHandler.post(new Runnable() {
6676                @Override
6677                public void run() {
6678                    try {
6679                        IStatusBarService statusbar = getStatusBarService();
6680                        if (statusbar != null) {
6681                            statusbar.setSystemUiVisibility(visibility, 0xffffffff, win.toString());
6682                            statusbar.topAppWindowChanged(needsMenu);
6683                        }
6684                    } catch (RemoteException e) {
6685                        // re-acquire status bar service next time it is needed.
6686                        mStatusBarService = null;
6687                    }
6688                }
6689            });
6690        return diff;
6691    }
6692
6693    private int updateLightStatusBarLw(int vis) {
6694        WindowState statusColorWin = isStatusBarKeyguard() && !mHideLockScreen
6695                ? mStatusBar
6696                : mTopFullscreenOpaqueOrDimmingWindowState;
6697
6698        if (statusColorWin != null) {
6699            if (statusColorWin == mTopFullscreenOpaqueWindowState) {
6700                // If the top fullscreen-or-dimming window is also the top fullscreen, respect
6701                // its light flag.
6702                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6703                vis |= PolicyControl.getSystemUiVisibility(statusColorWin, null)
6704                        & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6705            } else if (statusColorWin != null && statusColorWin.isDimming()) {
6706                // Otherwise if it's dimming, clear the light flag.
6707                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6708            }
6709        }
6710        return vis;
6711    }
6712
6713    private int updateSystemBarsLw(WindowState win, int oldVis, int vis) {
6714        // apply translucent bar vis flags
6715        WindowState transWin = isStatusBarKeyguard() && !mHideLockScreen
6716                ? mStatusBar
6717                : mTopFullscreenOpaqueWindowState;
6718        vis = mStatusBarController.applyTranslucentFlagLw(transWin, vis, oldVis);
6719        vis = mNavigationBarController.applyTranslucentFlagLw(transWin, vis, oldVis);
6720
6721        // prevent status bar interaction from clearing certain flags
6722        int type = win.getAttrs().type;
6723        boolean statusBarHasFocus = type == TYPE_STATUS_BAR;
6724        if (statusBarHasFocus && !isStatusBarKeyguard()) {
6725            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
6726                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
6727                    | View.SYSTEM_UI_FLAG_IMMERSIVE
6728                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
6729                    | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6730            if (mHideLockScreen) {
6731                flags |= View.STATUS_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSLUCENT;
6732            }
6733            vis = (vis & ~flags) | (oldVis & flags);
6734        }
6735
6736        if (!areTranslucentBarsAllowed() && transWin != mStatusBar) {
6737            vis &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSLUCENT
6738                    | View.SYSTEM_UI_TRANSPARENT);
6739        }
6740
6741        // update status bar
6742        boolean immersiveSticky =
6743                (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
6744        boolean hideStatusBarWM =
6745                mTopFullscreenOpaqueWindowState != null &&
6746                (PolicyControl.getWindowFlags(mTopFullscreenOpaqueWindowState, null)
6747                        & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0;
6748        boolean hideStatusBarSysui =
6749                (vis & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
6750        boolean hideNavBarSysui =
6751                (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0;
6752
6753        boolean transientStatusBarAllowed =
6754                mStatusBar != null && (
6755                hideStatusBarWM
6756                || (hideStatusBarSysui && immersiveSticky)
6757                || statusBarHasFocus);
6758
6759        boolean transientNavBarAllowed =
6760                mNavigationBar != null &&
6761                hideNavBarSysui && immersiveSticky;
6762
6763        final long now = SystemClock.uptimeMillis();
6764        final boolean pendingPanic = mPendingPanicGestureUptime != 0
6765                && now - mPendingPanicGestureUptime <= PANIC_GESTURE_EXPIRATION;
6766        if (pendingPanic && hideNavBarSysui && !isStatusBarKeyguard() && mKeyguardDrawComplete) {
6767            // The user performed the panic gesture recently, we're about to hide the bars,
6768            // we're no longer on the Keyguard and the screen is ready. We can now request the bars.
6769            mPendingPanicGestureUptime = 0;
6770            mStatusBarController.showTransient();
6771            mNavigationBarController.showTransient();
6772        }
6773
6774        boolean denyTransientStatus = mStatusBarController.isTransientShowRequested()
6775                && !transientStatusBarAllowed && hideStatusBarSysui;
6776        boolean denyTransientNav = mNavigationBarController.isTransientShowRequested()
6777                && !transientNavBarAllowed;
6778        if (denyTransientStatus || denyTransientNav) {
6779            // clear the clearable flags instead
6780            clearClearableFlagsLw();
6781            vis &= ~View.SYSTEM_UI_CLEARABLE_FLAGS;
6782        }
6783
6784        final boolean immersive = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
6785        immersiveSticky = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
6786        final boolean navAllowedHidden = immersive || immersiveSticky;
6787
6788        if (hideNavBarSysui && !navAllowedHidden && windowTypeToLayerLw(win.getBaseType())
6789                > windowTypeToLayerLw(TYPE_INPUT_CONSUMER)) {
6790            // We can't hide the navbar from this window otherwise the input consumer would not get
6791            // the input events.
6792            vis = (vis & ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
6793        }
6794
6795        vis = mStatusBarController.updateVisibilityLw(transientStatusBarAllowed, oldVis, vis);
6796
6797        // update navigation bar
6798        boolean oldImmersiveMode = isImmersiveMode(oldVis);
6799        boolean newImmersiveMode = isImmersiveMode(vis);
6800        if (win != null && oldImmersiveMode != newImmersiveMode) {
6801            final String pkg = win.getOwningPackage();
6802            mImmersiveModeConfirmation.immersiveModeChanged(pkg, newImmersiveMode,
6803                    isUserSetupComplete());
6804        }
6805
6806        vis = mNavigationBarController.updateVisibilityLw(transientNavBarAllowed, oldVis, vis);
6807
6808        return vis;
6809    }
6810
6811    private void clearClearableFlagsLw() {
6812        int newVal = mResettingSystemUiFlags | View.SYSTEM_UI_CLEARABLE_FLAGS;
6813        if (newVal != mResettingSystemUiFlags) {
6814            mResettingSystemUiFlags = newVal;
6815            mWindowManagerFuncs.reevaluateStatusBarVisibility();
6816        }
6817    }
6818
6819    private boolean isImmersiveMode(int vis) {
6820        final int flags = View.SYSTEM_UI_FLAG_IMMERSIVE | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
6821        return mNavigationBar != null
6822                && (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
6823                && (vis & flags) != 0
6824                && canHideNavigationBar();
6825    }
6826
6827    /**
6828     * @return whether the navigation or status bar can be made translucent
6829     *
6830     * This should return true unless touch exploration is not enabled or
6831     * R.boolean.config_enableTranslucentDecor is false.
6832     */
6833    private boolean areTranslucentBarsAllowed() {
6834        return mTranslucentDecorEnabled;
6835    }
6836
6837    // Use this instead of checking config_showNavigationBar so that it can be consistently
6838    // overridden by qemu.hw.mainkeys in the emulator.
6839    @Override
6840    public boolean hasNavigationBar() {
6841        return mHasNavigationBar;
6842    }
6843
6844    @Override
6845    public void setLastInputMethodWindowLw(WindowState ime, WindowState target) {
6846        mLastInputMethodWindow = ime;
6847        mLastInputMethodTargetWindow = target;
6848    }
6849
6850    @Override
6851    public int getInputMethodWindowVisibleHeightLw() {
6852        return mDockBottom - mCurBottom;
6853    }
6854
6855    @Override
6856    public void setCurrentUserLw(int newUserId) {
6857        mCurrentUserId = newUserId;
6858        if (mKeyguardDelegate != null) {
6859            mKeyguardDelegate.setCurrentUser(newUserId);
6860        }
6861        if (mStatusBarService != null) {
6862            try {
6863                mStatusBarService.setCurrentUser(newUserId);
6864            } catch (RemoteException e) {
6865                // oh well
6866            }
6867        }
6868        setLastInputMethodWindowLw(null, null);
6869    }
6870
6871    @Override
6872    public boolean canMagnifyWindow(int windowType) {
6873        switch (windowType) {
6874            case WindowManager.LayoutParams.TYPE_INPUT_METHOD:
6875            case WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG:
6876            case WindowManager.LayoutParams.TYPE_NAVIGATION_BAR:
6877            case WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY: {
6878                return false;
6879            }
6880        }
6881        return true;
6882    }
6883
6884    @Override
6885    public boolean isTopLevelWindow(int windowType) {
6886        if (windowType >= WindowManager.LayoutParams.FIRST_SUB_WINDOW
6887                && windowType <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
6888            return (windowType == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG);
6889        }
6890        return true;
6891    }
6892
6893    @Override
6894    public void dump(String prefix, PrintWriter pw, String[] args) {
6895        pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
6896                pw.print(" mSystemReady="); pw.print(mSystemReady);
6897                pw.print(" mSystemBooted="); pw.println(mSystemBooted);
6898        pw.print(prefix); pw.print("mLidState="); pw.print(mLidState);
6899                pw.print(" mLidOpenRotation="); pw.print(mLidOpenRotation);
6900                pw.print(" mCameraLensCoverState="); pw.print(mCameraLensCoverState);
6901                pw.print(" mHdmiPlugged="); pw.println(mHdmiPlugged);
6902        if (mLastSystemUiFlags != 0 || mResettingSystemUiFlags != 0
6903                || mForceClearedSystemUiFlags != 0) {
6904            pw.print(prefix); pw.print("mLastSystemUiFlags=0x");
6905                    pw.print(Integer.toHexString(mLastSystemUiFlags));
6906                    pw.print(" mResettingSystemUiFlags=0x");
6907                    pw.print(Integer.toHexString(mResettingSystemUiFlags));
6908                    pw.print(" mForceClearedSystemUiFlags=0x");
6909                    pw.println(Integer.toHexString(mForceClearedSystemUiFlags));
6910        }
6911        if (mLastFocusNeedsMenu) {
6912            pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
6913                    pw.println(mLastFocusNeedsMenu);
6914        }
6915        pw.print(prefix); pw.print("mWakeGestureEnabledSetting=");
6916                pw.println(mWakeGestureEnabledSetting);
6917
6918        pw.print(prefix); pw.print("mSupportAutoRotation="); pw.println(mSupportAutoRotation);
6919        pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
6920                pw.print(" mDockMode="); pw.print(mDockMode);
6921                pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
6922                pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
6923        pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);
6924                pw.print(" mUserRotation="); pw.print(mUserRotation);
6925                pw.print(" mAllowAllRotations="); pw.println(mAllowAllRotations);
6926        pw.print(prefix); pw.print("mCurrentAppOrientation="); pw.println(mCurrentAppOrientation);
6927        pw.print(prefix); pw.print("mCarDockEnablesAccelerometer=");
6928                pw.print(mCarDockEnablesAccelerometer);
6929                pw.print(" mDeskDockEnablesAccelerometer=");
6930                pw.println(mDeskDockEnablesAccelerometer);
6931        pw.print(prefix); pw.print("mLidKeyboardAccessibility=");
6932                pw.print(mLidKeyboardAccessibility);
6933                pw.print(" mLidNavigationAccessibility="); pw.print(mLidNavigationAccessibility);
6934                pw.print(" mLidControlsSleep="); pw.println(mLidControlsSleep);
6935        pw.print(prefix);
6936                pw.print("mShortPressOnPowerBehavior="); pw.print(mShortPressOnPowerBehavior);
6937                pw.print(" mLongPressOnPowerBehavior="); pw.println(mLongPressOnPowerBehavior);
6938        pw.print(prefix);
6939                pw.print("mDoublePressOnPowerBehavior="); pw.print(mDoublePressOnPowerBehavior);
6940                pw.print(" mTriplePressOnPowerBehavior="); pw.println(mTriplePressOnPowerBehavior);
6941        pw.print(prefix); pw.print("mHasSoftInput="); pw.println(mHasSoftInput);
6942        pw.print(prefix); pw.print("mAwake="); pw.println(mAwake);
6943        pw.print(prefix); pw.print("mScreenOnEarly="); pw.print(mScreenOnEarly);
6944                pw.print(" mScreenOnFully="); pw.println(mScreenOnFully);
6945        pw.print(prefix); pw.print("mKeyguardDrawComplete="); pw.print(mKeyguardDrawComplete);
6946                pw.print(" mWindowManagerDrawComplete="); pw.println(mWindowManagerDrawComplete);
6947        pw.print(prefix); pw.print("mOrientationSensorEnabled=");
6948                pw.println(mOrientationSensorEnabled);
6949        pw.print(prefix); pw.print("mOverscanScreen=("); pw.print(mOverscanScreenLeft);
6950                pw.print(","); pw.print(mOverscanScreenTop);
6951                pw.print(") "); pw.print(mOverscanScreenWidth);
6952                pw.print("x"); pw.println(mOverscanScreenHeight);
6953        if (mOverscanLeft != 0 || mOverscanTop != 0
6954                || mOverscanRight != 0 || mOverscanBottom != 0) {
6955            pw.print(prefix); pw.print("mOverscan left="); pw.print(mOverscanLeft);
6956                    pw.print(" top="); pw.print(mOverscanTop);
6957                    pw.print(" right="); pw.print(mOverscanRight);
6958                    pw.print(" bottom="); pw.println(mOverscanBottom);
6959        }
6960        pw.print(prefix); pw.print("mRestrictedOverscanScreen=(");
6961                pw.print(mRestrictedOverscanScreenLeft);
6962                pw.print(","); pw.print(mRestrictedOverscanScreenTop);
6963                pw.print(") "); pw.print(mRestrictedOverscanScreenWidth);
6964                pw.print("x"); pw.println(mRestrictedOverscanScreenHeight);
6965        pw.print(prefix); pw.print("mUnrestrictedScreen=("); pw.print(mUnrestrictedScreenLeft);
6966                pw.print(","); pw.print(mUnrestrictedScreenTop);
6967                pw.print(") "); pw.print(mUnrestrictedScreenWidth);
6968                pw.print("x"); pw.println(mUnrestrictedScreenHeight);
6969        pw.print(prefix); pw.print("mRestrictedScreen=("); pw.print(mRestrictedScreenLeft);
6970                pw.print(","); pw.print(mRestrictedScreenTop);
6971                pw.print(") "); pw.print(mRestrictedScreenWidth);
6972                pw.print("x"); pw.println(mRestrictedScreenHeight);
6973        pw.print(prefix); pw.print("mStableFullscreen=("); pw.print(mStableFullscreenLeft);
6974                pw.print(","); pw.print(mStableFullscreenTop);
6975                pw.print(")-("); pw.print(mStableFullscreenRight);
6976                pw.print(","); pw.print(mStableFullscreenBottom); pw.println(")");
6977        pw.print(prefix); pw.print("mStable=("); pw.print(mStableLeft);
6978                pw.print(","); pw.print(mStableTop);
6979                pw.print(")-("); pw.print(mStableRight);
6980                pw.print(","); pw.print(mStableBottom); pw.println(")");
6981        pw.print(prefix); pw.print("mSystem=("); pw.print(mSystemLeft);
6982                pw.print(","); pw.print(mSystemTop);
6983                pw.print(")-("); pw.print(mSystemRight);
6984                pw.print(","); pw.print(mSystemBottom); pw.println(")");
6985        pw.print(prefix); pw.print("mCur=("); pw.print(mCurLeft);
6986                pw.print(","); pw.print(mCurTop);
6987                pw.print(")-("); pw.print(mCurRight);
6988                pw.print(","); pw.print(mCurBottom); pw.println(")");
6989        pw.print(prefix); pw.print("mContent=("); pw.print(mContentLeft);
6990                pw.print(","); pw.print(mContentTop);
6991                pw.print(")-("); pw.print(mContentRight);
6992                pw.print(","); pw.print(mContentBottom); pw.println(")");
6993        pw.print(prefix); pw.print("mVoiceContent=("); pw.print(mVoiceContentLeft);
6994                pw.print(","); pw.print(mVoiceContentTop);
6995                pw.print(")-("); pw.print(mVoiceContentRight);
6996                pw.print(","); pw.print(mVoiceContentBottom); pw.println(")");
6997        pw.print(prefix); pw.print("mDock=("); pw.print(mDockLeft);
6998                pw.print(","); pw.print(mDockTop);
6999                pw.print(")-("); pw.print(mDockRight);
7000                pw.print(","); pw.print(mDockBottom); pw.println(")");
7001        pw.print(prefix); pw.print("mDockLayer="); pw.print(mDockLayer);
7002                pw.print(" mStatusBarLayer="); pw.println(mStatusBarLayer);
7003        pw.print(prefix); pw.print("mShowingLockscreen="); pw.print(mShowingLockscreen);
7004                pw.print(" mShowingDream="); pw.print(mShowingDream);
7005                pw.print(" mDreamingLockscreen="); pw.print(mDreamingLockscreen);
7006                pw.print(" mDreamingSleepToken="); pw.println(mDreamingSleepToken);
7007        if (mLastInputMethodWindow != null) {
7008            pw.print(prefix); pw.print("mLastInputMethodWindow=");
7009                    pw.println(mLastInputMethodWindow);
7010        }
7011        if (mLastInputMethodTargetWindow != null) {
7012            pw.print(prefix); pw.print("mLastInputMethodTargetWindow=");
7013                    pw.println(mLastInputMethodTargetWindow);
7014        }
7015        if (mStatusBar != null) {
7016            pw.print(prefix); pw.print("mStatusBar=");
7017                    pw.print(mStatusBar); pw.print(" isStatusBarKeyguard=");
7018                    pw.println(isStatusBarKeyguard());
7019        }
7020        if (mNavigationBar != null) {
7021            pw.print(prefix); pw.print("mNavigationBar=");
7022                    pw.println(mNavigationBar);
7023        }
7024        if (mFocusedWindow != null) {
7025            pw.print(prefix); pw.print("mFocusedWindow=");
7026                    pw.println(mFocusedWindow);
7027        }
7028        if (mFocusedApp != null) {
7029            pw.print(prefix); pw.print("mFocusedApp=");
7030                    pw.println(mFocusedApp);
7031        }
7032        if (mWinDismissingKeyguard != null) {
7033            pw.print(prefix); pw.print("mWinDismissingKeyguard=");
7034                    pw.println(mWinDismissingKeyguard);
7035        }
7036        if (mTopFullscreenOpaqueWindowState != null) {
7037            pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
7038                    pw.println(mTopFullscreenOpaqueWindowState);
7039        }
7040        if (mTopFullscreenOpaqueOrDimmingWindowState != null) {
7041            pw.print(prefix); pw.print("mTopFullscreenOpaqueOrDimmingWindowState=");
7042                    pw.println(mTopFullscreenOpaqueOrDimmingWindowState);
7043        }
7044        if (mForcingShowNavBar) {
7045            pw.print(prefix); pw.print("mForcingShowNavBar=");
7046                    pw.println(mForcingShowNavBar); pw.print( "mForcingShowNavBarLayer=");
7047                    pw.println(mForcingShowNavBarLayer);
7048        }
7049        pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
7050                pw.print(" mHideLockScreen="); pw.println(mHideLockScreen);
7051        pw.print(prefix); pw.print("mForceStatusBar="); pw.print(mForceStatusBar);
7052                pw.print(" mForceStatusBarFromKeyguard=");
7053                pw.println(mForceStatusBarFromKeyguard);
7054        pw.print(prefix); pw.print("mDismissKeyguard="); pw.print(mDismissKeyguard);
7055                pw.print(" mWinDismissingKeyguard="); pw.print(mWinDismissingKeyguard);
7056                pw.print(" mHomePressed="); pw.println(mHomePressed);
7057        pw.print(prefix); pw.print("mAllowLockscreenWhenOn="); pw.print(mAllowLockscreenWhenOn);
7058                pw.print(" mLockScreenTimeout="); pw.print(mLockScreenTimeout);
7059                pw.print(" mLockScreenTimerActive="); pw.println(mLockScreenTimerActive);
7060        pw.print(prefix); pw.print("mEndcallBehavior="); pw.print(mEndcallBehavior);
7061                pw.print(" mIncallPowerBehavior="); pw.print(mIncallPowerBehavior);
7062                pw.print(" mLongPressOnHomeBehavior="); pw.println(mLongPressOnHomeBehavior);
7063        pw.print(prefix); pw.print("mLandscapeRotation="); pw.print(mLandscapeRotation);
7064                pw.print(" mSeascapeRotation="); pw.println(mSeascapeRotation);
7065        pw.print(prefix); pw.print("mPortraitRotation="); pw.print(mPortraitRotation);
7066                pw.print(" mUpsideDownRotation="); pw.println(mUpsideDownRotation);
7067        pw.print(prefix); pw.print("mDemoHdmiRotation="); pw.print(mDemoHdmiRotation);
7068                pw.print(" mDemoHdmiRotationLock="); pw.println(mDemoHdmiRotationLock);
7069        pw.print(prefix); pw.print("mUndockedHdmiRotation="); pw.println(mUndockedHdmiRotation);
7070
7071        mGlobalKeyManager.dump(prefix, pw);
7072        mStatusBarController.dump(pw, prefix);
7073        mNavigationBarController.dump(pw, prefix);
7074        PolicyControl.dump(prefix, pw);
7075
7076        if (mWakeGestureListener != null) {
7077            mWakeGestureListener.dump(pw, prefix);
7078        }
7079        if (mOrientationListener != null) {
7080            mOrientationListener.dump(pw, prefix);
7081        }
7082        if (mBurnInProtectionHelper != null) {
7083            mBurnInProtectionHelper.dump(prefix, pw);
7084        }
7085        if (mKeyguardDelegate != null) {
7086            mKeyguardDelegate.dump(prefix, pw);
7087        }
7088    }
7089}
7090