PhoneWindowManager.java revision f0976121d91744ea98651de073b6eee2b55ede18 
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.server.policy;
18
19import static android.app.ActivityManager.StackId.DOCKED_STACK_ID;
20import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
21import static android.app.ActivityManager.StackId.HOME_STACK_ID;
22import static android.content.pm.PackageManager.FEATURE_PICTURE_IN_PICTURE;
23import static android.content.pm.PackageManager.FEATURE_TELEVISION;
24import static android.content.pm.PackageManager.FEATURE_WATCH;
25import static android.content.res.Configuration.EMPTY;
26import static android.content.res.Configuration.UI_MODE_TYPE_CAR;
27import static android.content.res.Configuration.UI_MODE_TYPE_MASK;
28import static android.view.WindowManager.DOCKED_TOP;
29import static android.view.WindowManager.DOCKED_LEFT;
30import static android.view.WindowManager.DOCKED_RIGHT;
31import static android.view.WindowManager.TAKE_SCREENSHOT_FULLSCREEN;
32import static android.view.WindowManager.TAKE_SCREENSHOT_SELECTED_REGION;
33import static android.view.WindowManager.LayoutParams.*;
34import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVERED;
35import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVER_ABSENT;
36import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_UNCOVERED;
37import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_ABSENT;
38import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_CLOSED;
39import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_OPEN;
40
41import android.app.ActivityManager;
42import android.app.ActivityManager.StackId;
43import android.app.ActivityManagerInternal;
44import android.app.ActivityManagerInternal.SleepToken;
45import android.app.ActivityManagerNative;
46import android.app.AppOpsManager;
47import android.app.IUiModeManager;
48import android.app.ProgressDialog;
49import android.app.SearchManager;
50import android.app.StatusBarManager;
51import android.app.UiModeManager;
52import android.content.ActivityNotFoundException;
53import android.content.BroadcastReceiver;
54import android.content.ComponentName;
55import android.content.ContentResolver;
56import android.content.Context;
57import android.content.Intent;
58import android.content.IntentFilter;
59import android.content.ServiceConnection;
60import android.content.pm.ActivityInfo;
61import android.content.pm.ApplicationInfo;
62import android.content.pm.PackageManager;
63import android.content.pm.ResolveInfo;
64import android.content.res.CompatibilityInfo;
65import android.content.res.Configuration;
66import android.content.res.Resources;
67import android.content.res.TypedArray;
68import android.database.ContentObserver;
69import android.graphics.PixelFormat;
70import android.graphics.Rect;
71import android.hardware.hdmi.HdmiControlManager;
72import android.hardware.hdmi.HdmiPlaybackClient;
73import android.hardware.hdmi.HdmiPlaybackClient.OneTouchPlayCallback;
74import android.hardware.input.InputManagerInternal;
75import android.media.AudioAttributes;
76import android.media.AudioManager;
77import android.media.AudioSystem;
78import android.media.IAudioService;
79import android.media.Ringtone;
80import android.media.RingtoneManager;
81import android.media.session.MediaSessionLegacyHelper;
82import android.os.Binder;
83import android.os.Build;
84import android.os.Bundle;
85import android.os.Debug;
86import android.os.FactoryTest;
87import android.os.Handler;
88import android.os.IBinder;
89import android.os.IDeviceIdleController;
90import android.os.Looper;
91import android.os.Message;
92import android.os.Messenger;
93import android.os.PowerManager;
94import android.os.PowerManagerInternal;
95import android.os.Process;
96import android.os.RemoteException;
97import android.os.ServiceManager;
98import android.os.SystemClock;
99import android.os.SystemProperties;
100import android.os.UEventObserver;
101import android.os.UserHandle;
102import android.os.Vibrator;
103import android.provider.MediaStore;
104import android.provider.Settings;
105import android.service.dreams.DreamManagerInternal;
106import android.service.dreams.DreamService;
107import android.service.dreams.IDreamManager;
108import android.speech.RecognizerIntent;
109import android.telecom.TelecomManager;
110import android.util.DisplayMetrics;
111import android.util.EventLog;
112import android.util.Log;
113import android.util.MutableBoolean;
114import android.util.Slog;
115import android.util.SparseArray;
116import android.util.LongSparseArray;
117import android.view.Display;
118import android.view.Gravity;
119import android.view.HapticFeedbackConstants;
120import android.view.IApplicationToken;
121import android.view.IWindowManager;
122import android.view.InputChannel;
123import android.view.InputDevice;
124import android.view.InputEvent;
125import android.view.InputEventReceiver;
126import android.view.KeyCharacterMap;
127import android.view.KeyCharacterMap.FallbackAction;
128import android.view.KeyEvent;
129import android.view.MotionEvent;
130import android.view.Surface;
131import android.view.View;
132import android.view.ViewConfiguration;
133import android.view.WindowManager;
134import android.view.WindowManagerGlobal;
135import android.view.WindowManagerInternal;
136import android.view.WindowManagerPolicy;
137import android.view.accessibility.AccessibilityEvent;
138import android.view.accessibility.AccessibilityManager;
139import android.view.animation.Animation;
140import android.view.animation.AnimationSet;
141import android.view.animation.AnimationUtils;
142import com.android.internal.R;
143import com.android.internal.logging.MetricsLogger;
144import com.android.internal.policy.PhoneWindow;
145import com.android.internal.policy.IShortcutService;
146import com.android.internal.statusbar.IStatusBarService;
147import com.android.internal.util.ScreenShapeHelper;
148import com.android.internal.widget.PointerLocationView;
149import com.android.server.GestureLauncherService;
150import com.android.server.LocalServices;
151import com.android.server.policy.keyguard.KeyguardServiceDelegate;
152import com.android.server.policy.keyguard.KeyguardServiceDelegate.DrawnListener;
153import com.android.server.statusbar.StatusBarManagerInternal;
154
155import java.io.File;
156import java.io.FileReader;
157import java.io.IOException;
158import java.io.PrintWriter;
159import java.util.HashSet;
160import java.util.List;
161
162/**
163 * WindowManagerPolicy implementation for the Android phone UI.  This
164 * introduces a new method suffix, Lp, for an internal lock of the
165 * PhoneWindowManager.  This is used to protect some internal state, and
166 * can be acquired with either the Lw and Li lock held, so has the restrictions
167 * of both of those when held.
168 */
169public class PhoneWindowManager implements WindowManagerPolicy {
170    static final String TAG = "WindowManager";
171    static final boolean DEBUG = false;
172    static final boolean localLOGV = false;
173    static final boolean DEBUG_INPUT = false;
174    static final boolean DEBUG_KEYGUARD = false;
175    static final boolean DEBUG_LAYOUT = false;
176    static final boolean DEBUG_STARTING_WINDOW = false;
177    static final boolean DEBUG_WAKEUP = false;
178    static final boolean SHOW_STARTING_ANIMATIONS = true;
179    static final boolean SHOW_PROCESSES_ON_ALT_MENU = false;
180
181    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
182    // No longer recommended for desk docks;
183    static final boolean ENABLE_DESK_DOCK_HOME_CAPTURE = false;
184
185    static final int SHORT_PRESS_POWER_NOTHING = 0;
186    static final int SHORT_PRESS_POWER_GO_TO_SLEEP = 1;
187    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP = 2;
188    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME = 3;
189    static final int SHORT_PRESS_POWER_GO_HOME = 4;
190
191    static final int LONG_PRESS_POWER_NOTHING = 0;
192    static final int LONG_PRESS_POWER_GLOBAL_ACTIONS = 1;
193    static final int LONG_PRESS_POWER_SHUT_OFF = 2;
194    static final int LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM = 3;
195
196    static final int LONG_PRESS_BACK_NOTHING = 0;
197    static final int LONG_PRESS_BACK_GO_TO_VOICE_ASSIST = 1;
198
199    static final int MULTI_PRESS_POWER_NOTHING = 0;
200    static final int MULTI_PRESS_POWER_THEATER_MODE = 1;
201    static final int MULTI_PRESS_POWER_BRIGHTNESS_BOOST = 2;
202
203    // Number of presses needed before we induce panic press behavior on the back button
204    static final int PANIC_PRESS_BACK_COUNT = 4;
205    static final int PANIC_PRESS_BACK_NOTHING = 0;
206    static final int PANIC_PRESS_BACK_HOME = 1;
207
208    // These need to match the documentation/constant in
209    // core/res/res/values/config.xml
210    static final int LONG_PRESS_HOME_NOTHING = 0;
211    static final int LONG_PRESS_HOME_RECENT_SYSTEM_UI = 1;
212    static final int LONG_PRESS_HOME_ASSIST = 2;
213    static final int LAST_LONG_PRESS_HOME_BEHAVIOR = LONG_PRESS_HOME_ASSIST;
214
215    static final int DOUBLE_TAP_HOME_NOTHING = 0;
216    static final int DOUBLE_TAP_HOME_RECENT_SYSTEM_UI = 1;
217
218    static final int SHORT_PRESS_WINDOW_NOTHING = 0;
219    static final int SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE = 1;
220
221    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP = 0;
222    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME = 1;
223
224    static final int PENDING_KEY_NULL = -1;
225
226    // Controls navigation bar opacity depending on which workspace stacks are currently
227    // visible.
228    // Nav bar is always opaque when either the freeform stack or docked stack is visible.
229    static final int NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED = 0;
230    // Nav bar is always translucent when the freeform stack is visible, otherwise always opaque.
231    static final int NAV_BAR_TRANSLUCENT_WHEN_FREEFORM_OPAQUE_OTHERWISE = 1;
232
233    static final int APPLICATION_MEDIA_SUBLAYER = -2;
234    static final int APPLICATION_MEDIA_OVERLAY_SUBLAYER = -1;
235    static final int APPLICATION_PANEL_SUBLAYER = 1;
236    static final int APPLICATION_SUB_PANEL_SUBLAYER = 2;
237    static final int APPLICATION_ABOVE_SUB_PANEL_SUBLAYER = 3;
238
239    static public final String SYSTEM_DIALOG_REASON_KEY = "reason";
240    static public final String SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS = "globalactions";
241    static public final String SYSTEM_DIALOG_REASON_RECENT_APPS = "recentapps";
242    static public final String SYSTEM_DIALOG_REASON_HOME_KEY = "homekey";
243    static public final String SYSTEM_DIALOG_REASON_ASSIST = "assist";
244
245    /**
246     * These are the system UI flags that, when changing, can cause the layout
247     * of the screen to change.
248     */
249    static final int SYSTEM_UI_CHANGING_LAYOUT =
250              View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
251            | View.SYSTEM_UI_FLAG_FULLSCREEN
252            | View.STATUS_BAR_TRANSLUCENT
253            | View.NAVIGATION_BAR_TRANSLUCENT
254            | View.STATUS_BAR_TRANSPARENT
255            | View.NAVIGATION_BAR_TRANSPARENT;
256
257    private static final AudioAttributes VIBRATION_ATTRIBUTES = new AudioAttributes.Builder()
258            .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
259            .setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION)
260            .build();
261
262    // The panic gesture may become active only after the keyguard is dismissed and the immersive
263    // app shows again. If that doesn't happen for 30s we drop the gesture.
264    private static final long PANIC_GESTURE_EXPIRATION = 30000;
265
266    private static final String SYSUI_PACKAGE = "com.android.systemui";
267    private static final String SYSUI_SCREENSHOT_SERVICE =
268            "com.android.systemui.screenshot.TakeScreenshotService";
269    private static final String SYSUI_SCREENSHOT_ERROR_RECEIVER =
270            "com.android.systemui.screenshot.ScreenshotServiceErrorReceiver";
271
272    private static final int NAV_BAR_BOTTOM = 0;
273    private static final int NAV_BAR_RIGHT = 1;
274    private static final int NAV_BAR_LEFT = 2;
275
276    /**
277     * Keyguard stuff
278     */
279    private WindowState mKeyguardScrim;
280    private boolean mKeyguardHidden;
281    private boolean mKeyguardDrawnOnce;
282
283    /* Table of Application Launch keys.  Maps from key codes to intent categories.
284     *
285     * These are special keys that are used to launch particular kinds of applications,
286     * such as a web browser.  HID defines nearly a hundred of them in the Consumer (0x0C)
287     * usage page.  We don't support quite that many yet...
288     */
289    static SparseArray<String> sApplicationLaunchKeyCategories;
290    static {
291        sApplicationLaunchKeyCategories = new SparseArray<String>();
292        sApplicationLaunchKeyCategories.append(
293                KeyEvent.KEYCODE_EXPLORER, Intent.CATEGORY_APP_BROWSER);
294        sApplicationLaunchKeyCategories.append(
295                KeyEvent.KEYCODE_ENVELOPE, Intent.CATEGORY_APP_EMAIL);
296        sApplicationLaunchKeyCategories.append(
297                KeyEvent.KEYCODE_CONTACTS, Intent.CATEGORY_APP_CONTACTS);
298        sApplicationLaunchKeyCategories.append(
299                KeyEvent.KEYCODE_CALENDAR, Intent.CATEGORY_APP_CALENDAR);
300        sApplicationLaunchKeyCategories.append(
301                KeyEvent.KEYCODE_MUSIC, Intent.CATEGORY_APP_MUSIC);
302        sApplicationLaunchKeyCategories.append(
303                KeyEvent.KEYCODE_CALCULATOR, Intent.CATEGORY_APP_CALCULATOR);
304    }
305
306    /** Amount of time (in milliseconds) to wait for windows drawn before powering on. */
307    static final int WAITING_FOR_DRAWN_TIMEOUT = 1000;
308
309    /**
310     * Lock protecting internal state.  Must not call out into window
311     * manager with lock held.  (This lock will be acquired in places
312     * where the window manager is calling in with its own lock held.)
313     */
314    private final Object mLock = new Object();
315
316    Context mContext;
317    IWindowManager mWindowManager;
318    WindowManagerFuncs mWindowManagerFuncs;
319    WindowManagerInternal mWindowManagerInternal;
320    PowerManager mPowerManager;
321    ActivityManagerInternal mActivityManagerInternal;
322    InputManagerInternal mInputManagerInternal;
323    DreamManagerInternal mDreamManagerInternal;
324    PowerManagerInternal mPowerManagerInternal;
325    IStatusBarService mStatusBarService;
326    StatusBarManagerInternal mStatusBarManagerInternal;
327    boolean mPreloadedRecentApps;
328    final Object mServiceAquireLock = new Object();
329    Vibrator mVibrator; // Vibrator for giving feedback of orientation changes
330    SearchManager mSearchManager;
331    AccessibilityManager mAccessibilityManager;
332    BurnInProtectionHelper mBurnInProtectionHelper;
333    AppOpsManager mAppOpsManager;
334    private boolean mHasFeatureWatch;
335
336    // Vibrator pattern for haptic feedback of a long press.
337    long[] mLongPressVibePattern;
338
339    // Vibrator pattern for haptic feedback of virtual key press.
340    long[] mVirtualKeyVibePattern;
341
342    // Vibrator pattern for a short vibration.
343    long[] mKeyboardTapVibePattern;
344
345    // Vibrator pattern for a short vibration when tapping on an hour/minute tick of a Clock.
346    long[] mClockTickVibePattern;
347
348    // Vibrator pattern for a short vibration when tapping on a day/month/year date of a Calendar.
349    long[] mCalendarDateVibePattern;
350
351    // Vibrator pattern for haptic feedback during boot when safe mode is disabled.
352    long[] mSafeModeDisabledVibePattern;
353
354    // Vibrator pattern for haptic feedback during boot when safe mode is enabled.
355    long[] mSafeModeEnabledVibePattern;
356
357    // Vibrator pattern for haptic feedback of a context click.
358    long[] mContextClickVibePattern;
359
360    /** If true, hitting shift & menu will broadcast Intent.ACTION_BUG_REPORT */
361    boolean mEnableShiftMenuBugReports = false;
362
363    boolean mSafeMode;
364    WindowState mStatusBar = null;
365    int mStatusBarHeight;
366    WindowState mNavigationBar = null;
367    boolean mHasNavigationBar = false;
368    boolean mNavigationBarCanMove = false; // can the navigation bar ever move to the side?
369    int mNavigationBarPosition = NAV_BAR_BOTTOM;
370    int[] mNavigationBarHeightForRotationDefault = new int[4];
371    int[] mNavigationBarWidthForRotationDefault = new int[4];
372    int[] mNavigationBarHeightForRotationInCarMode = new int[4];
373    int[] mNavigationBarWidthForRotationInCarMode = new int[4];
374
375    private LongSparseArray<IShortcutService> mShortcutKeyServices = new LongSparseArray<>();
376
377    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
378    // This is for car dock and this is updated from resource.
379    private boolean mEnableCarDockHomeCapture = true;
380
381    boolean mBootMessageNeedsHiding;
382    KeyguardServiceDelegate mKeyguardDelegate;
383    final Runnable mWindowManagerDrawCallback = new Runnable() {
384        @Override
385        public void run() {
386            if (DEBUG_WAKEUP) Slog.i(TAG, "All windows ready for display!");
387            mHandler.sendEmptyMessage(MSG_WINDOW_MANAGER_DRAWN_COMPLETE);
388        }
389    };
390    final DrawnListener mKeyguardDrawnCallback = new DrawnListener() {
391        @Override
392        public void onDrawn() {
393            if (DEBUG_WAKEUP) Slog.d(TAG, "mKeyguardDelegate.ShowListener.onDrawn.");
394            mHandler.sendEmptyMessage(MSG_KEYGUARD_DRAWN_COMPLETE);
395        }
396    };
397
398    GlobalActions mGlobalActions;
399    Handler mHandler;
400    WindowState mLastInputMethodWindow = null;
401    WindowState mLastInputMethodTargetWindow = null;
402
403    // FIXME This state is shared between the input reader and handler thread.
404    // Technically it's broken and buggy but it has been like this for many years
405    // and we have not yet seen any problems.  Someday we'll rewrite this logic
406    // so that only one thread is involved in handling input policy.  Unfortunately
407    // it's on a critical path for power management so we can't just post the work to the
408    // handler thread.  We'll need to resolve this someday by teaching the input dispatcher
409    // to hold wakelocks during dispatch and eliminating the critical path.
410    volatile boolean mPowerKeyHandled;
411    volatile boolean mBackKeyHandled;
412    volatile boolean mBeganFromNonInteractive;
413    volatile int mPowerKeyPressCounter;
414    volatile int mBackKeyPressCounter;
415    volatile boolean mEndCallKeyHandled;
416    volatile boolean mCameraGestureTriggeredDuringGoingToSleep;
417    volatile boolean mGoingToSleep;
418    volatile boolean mRecentsVisible;
419    volatile boolean mTvPictureInPictureVisible;
420
421    // Used to hold the last user key used to wake the device.  This helps us prevent up events
422    // from being passed to the foregrounded app without a corresponding down event
423    volatile int mPendingWakeKey = PENDING_KEY_NULL;
424
425    int mRecentAppsHeldModifiers;
426    boolean mLanguageSwitchKeyPressed;
427
428    int mLidState = LID_ABSENT;
429    int mCameraLensCoverState = CAMERA_LENS_COVER_ABSENT;
430    boolean mHaveBuiltInKeyboard;
431
432    boolean mSystemReady;
433    boolean mSystemBooted;
434    private boolean mDeferBindKeyguard;
435    boolean mHdmiPlugged;
436    HdmiControl mHdmiControl;
437    IUiModeManager mUiModeManager;
438    int mUiMode;
439    int mDockMode = Intent.EXTRA_DOCK_STATE_UNDOCKED;
440    int mLidOpenRotation;
441    int mCarDockRotation;
442    int mDeskDockRotation;
443    int mUndockedHdmiRotation;
444    int mDemoHdmiRotation;
445    boolean mDemoHdmiRotationLock;
446    int mDemoRotation;
447    boolean mDemoRotationLock;
448
449    boolean mWakeGestureEnabledSetting;
450    MyWakeGestureListener mWakeGestureListener;
451
452    // Default display does not rotate, apps that require non-default orientation will have to
453    // have the orientation emulated.
454    private boolean mForceDefaultOrientation = false;
455
456    int mUserRotationMode = WindowManagerPolicy.USER_ROTATION_FREE;
457    int mUserRotation = Surface.ROTATION_0;
458    boolean mAccelerometerDefault;
459
460    boolean mSupportAutoRotation;
461    int mAllowAllRotations = -1;
462    boolean mCarDockEnablesAccelerometer;
463    boolean mDeskDockEnablesAccelerometer;
464    int mLidKeyboardAccessibility;
465    int mLidNavigationAccessibility;
466    boolean mLidControlsScreenLock;
467    boolean mLidControlsSleep;
468    int mShortPressOnPowerBehavior;
469    int mLongPressOnPowerBehavior;
470    int mDoublePressOnPowerBehavior;
471    int mTriplePressOnPowerBehavior;
472    int mLongPressOnBackBehavior;
473    int mPanicPressOnBackBehavior;
474    int mShortPressOnSleepBehavior;
475    int mShortPressWindowBehavior;
476    boolean mAwake;
477    boolean mScreenOnEarly;
478    boolean mScreenOnFully;
479    ScreenOnListener mScreenOnListener;
480    boolean mKeyguardDrawComplete;
481    boolean mWindowManagerDrawComplete;
482    boolean mOrientationSensorEnabled = false;
483    int mCurrentAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
484    boolean mHasSoftInput = false;
485    boolean mTranslucentDecorEnabled = true;
486    boolean mUseTvRouting;
487
488    int mPointerLocationMode = 0; // guarded by mLock
489
490    // The last window we were told about in focusChanged.
491    WindowState mFocusedWindow;
492    IApplicationToken mFocusedApp;
493
494    PointerLocationView mPointerLocationView;
495
496    // The current size of the screen; really; extends into the overscan area of
497    // the screen and doesn't account for any system elements like the status bar.
498    int mOverscanScreenLeft, mOverscanScreenTop;
499    int mOverscanScreenWidth, mOverscanScreenHeight;
500    // The current visible size of the screen; really; (ir)regardless of whether the status
501    // bar can be hidden but not extending into the overscan area.
502    int mUnrestrictedScreenLeft, mUnrestrictedScreenTop;
503    int mUnrestrictedScreenWidth, mUnrestrictedScreenHeight;
504    // Like mOverscanScreen*, but allowed to move into the overscan region where appropriate.
505    int mRestrictedOverscanScreenLeft, mRestrictedOverscanScreenTop;
506    int mRestrictedOverscanScreenWidth, mRestrictedOverscanScreenHeight;
507    // The current size of the screen; these may be different than (0,0)-(dw,dh)
508    // if the status bar can't be hidden; in that case it effectively carves out
509    // that area of the display from all other windows.
510    int mRestrictedScreenLeft, mRestrictedScreenTop;
511    int mRestrictedScreenWidth, mRestrictedScreenHeight;
512    // During layout, the current screen borders accounting for any currently
513    // visible system UI elements.
514    int mSystemLeft, mSystemTop, mSystemRight, mSystemBottom;
515    // For applications requesting stable content insets, these are them.
516    int mStableLeft, mStableTop, mStableRight, mStableBottom;
517    // For applications requesting stable content insets but have also set the
518    // fullscreen window flag, these are the stable dimensions without the status bar.
519    int mStableFullscreenLeft, mStableFullscreenTop;
520    int mStableFullscreenRight, mStableFullscreenBottom;
521    // During layout, the current screen borders with all outer decoration
522    // (status bar, input method dock) accounted for.
523    int mCurLeft, mCurTop, mCurRight, mCurBottom;
524    // During layout, the frame in which content should be displayed
525    // to the user, accounting for all screen decoration except for any
526    // space they deem as available for other content.  This is usually
527    // the same as mCur*, but may be larger if the screen decor has supplied
528    // content insets.
529    int mContentLeft, mContentTop, mContentRight, mContentBottom;
530    // During layout, the frame in which voice content should be displayed
531    // to the user, accounting for all screen decoration except for any
532    // space they deem as available for other content.
533    int mVoiceContentLeft, mVoiceContentTop, mVoiceContentRight, mVoiceContentBottom;
534    // During layout, the current screen borders along which input method
535    // windows are placed.
536    int mDockLeft, mDockTop, mDockRight, mDockBottom;
537    // During layout, the layer at which the doc window is placed.
538    int mDockLayer;
539    // During layout, this is the layer of the status bar.
540    int mStatusBarLayer;
541    int mLastSystemUiFlags;
542    // Bits that we are in the process of clearing, so we want to prevent
543    // them from being set by applications until everything has been updated
544    // to have them clear.
545    int mResettingSystemUiFlags = 0;
546    // Bits that we are currently always keeping cleared.
547    int mForceClearedSystemUiFlags = 0;
548    int mLastFullscreenStackSysUiFlags;
549    int mLastDockedStackSysUiFlags;
550    final Rect mNonDockedStackBounds = new Rect();
551    final Rect mDockedStackBounds = new Rect();
552    final Rect mLastNonDockedStackBounds = new Rect();
553    final Rect mLastDockedStackBounds = new Rect();
554
555    // What we last reported to system UI about whether the compatibility
556    // menu needs to be displayed.
557    boolean mLastFocusNeedsMenu = false;
558    // If nonzero, a panic gesture was performed at that time in uptime millis and is still pending.
559    private long mPendingPanicGestureUptime;
560
561    InputConsumer mInputConsumer = null;
562
563    static final Rect mTmpParentFrame = new Rect();
564    static final Rect mTmpDisplayFrame = new Rect();
565    static final Rect mTmpOverscanFrame = new Rect();
566    static final Rect mTmpContentFrame = new Rect();
567    static final Rect mTmpVisibleFrame = new Rect();
568    static final Rect mTmpDecorFrame = new Rect();
569    static final Rect mTmpStableFrame = new Rect();
570    static final Rect mTmpNavigationFrame = new Rect();
571    static final Rect mTmpOutsetFrame = new Rect();
572    private static final Rect mTmpRect = new Rect();
573
574    WindowState mTopFullscreenOpaqueWindowState;
575    WindowState mTopFullscreenOpaqueOrDimmingWindowState;
576    WindowState mTopDockedOpaqueWindowState;
577    WindowState mTopDockedOpaqueOrDimmingWindowState;
578    HashSet<IApplicationToken> mAppsToBeHidden = new HashSet<IApplicationToken>();
579    HashSet<IApplicationToken> mAppsThatDismissKeyguard = new HashSet<IApplicationToken>();
580    boolean mTopIsFullscreen;
581    boolean mForceStatusBar;
582    boolean mForceStatusBarFromKeyguard;
583    private boolean mForceStatusBarTransparent;
584    int mNavBarOpacityMode = NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED;
585    boolean mHideLockScreen;
586    boolean mForcingShowNavBar;
587    int mForcingShowNavBarLayer;
588
589    // States of keyguard dismiss.
590    private static final int DISMISS_KEYGUARD_NONE = 0; // Keyguard not being dismissed.
591    private static final int DISMISS_KEYGUARD_START = 1; // Keyguard needs to be dismissed.
592    private static final int DISMISS_KEYGUARD_CONTINUE = 2; // Keyguard has been dismissed.
593    int mDismissKeyguard = DISMISS_KEYGUARD_NONE;
594
595    /** The window that is currently dismissing the keyguard. Dismissing the keyguard must only
596     * be done once per window. */
597    private WindowState mWinDismissingKeyguard;
598
599    /** When window is currently dismissing the keyguard, dismissing the keyguard must handle
600     * the keygaurd secure state change instantly case, e.g. the use case of inserting a PIN
601     * lock SIM card. This variable is used to record the previous keyguard secure state for
602     * monitoring secure state change on window dismissing keyguard. */
603    private boolean mSecureDismissingKeyguard;
604
605    /** The window that is currently showing "over" the keyguard. If there is an app window
606     * belonging to another app on top of this the keyguard shows. If there is a fullscreen
607     * app window under this, still dismiss the keyguard but don't show the app underneath. Show
608     * the wallpaper. */
609    private WindowState mWinShowWhenLocked;
610
611    boolean mShowingLockscreen;
612    boolean mShowingDream;
613    boolean mDreamingLockscreen;
614    boolean mDreamingSleepTokenNeeded;
615    SleepToken mDreamingSleepToken;
616    SleepToken mScreenOffSleepToken;
617    boolean mKeyguardSecure;
618    boolean mKeyguardSecureIncludingHidden;
619    volatile boolean mKeyguardOccluded;
620    boolean mHomePressed;
621    boolean mHomeConsumed;
622    boolean mHomeDoubleTapPending;
623    Intent mHomeIntent;
624    Intent mCarDockIntent;
625    Intent mDeskDockIntent;
626    boolean mSearchKeyShortcutPending;
627    boolean mConsumeSearchKeyUp;
628    boolean mAssistKeyLongPressed;
629    boolean mPendingMetaAction;
630    boolean mPendingCapsLockToggle;
631    int mMetaState;
632    int mInitialMetaState;
633    boolean mForceShowSystemBars;
634
635    // support for activating the lock screen while the screen is on
636    boolean mAllowLockscreenWhenOn;
637    int mLockScreenTimeout;
638    boolean mLockScreenTimerActive;
639
640    // Behavior of ENDCALL Button.  (See Settings.System.END_BUTTON_BEHAVIOR.)
641    int mEndcallBehavior;
642
643    // Behavior of POWER button while in-call and screen on.
644    // (See Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR.)
645    int mIncallPowerBehavior;
646
647    Display mDisplay;
648
649    private int mDisplayRotation;
650
651    int mLandscapeRotation = 0;  // default landscape rotation
652    int mSeascapeRotation = 0;   // "other" landscape rotation, 180 degrees from mLandscapeRotation
653    int mPortraitRotation = 0;   // default portrait rotation
654    int mUpsideDownRotation = 0; // "other" portrait rotation
655
656    int mOverscanLeft = 0;
657    int mOverscanTop = 0;
658    int mOverscanRight = 0;
659    int mOverscanBottom = 0;
660
661    // What we do when the user long presses on home
662    private int mLongPressOnHomeBehavior;
663
664    // What we do when the user double-taps on home
665    private int mDoubleTapOnHomeBehavior;
666
667    // Allowed theater mode wake actions
668    private boolean mAllowTheaterModeWakeFromKey;
669    private boolean mAllowTheaterModeWakeFromPowerKey;
670    private boolean mAllowTheaterModeWakeFromMotion;
671    private boolean mAllowTheaterModeWakeFromMotionWhenNotDreaming;
672    private boolean mAllowTheaterModeWakeFromCameraLens;
673    private boolean mAllowTheaterModeWakeFromLidSwitch;
674    private boolean mAllowTheaterModeWakeFromWakeGesture;
675
676    // Whether to support long press from power button in non-interactive mode
677    private boolean mSupportLongPressPowerWhenNonInteractive;
678
679    // Whether to go to sleep entering theater mode from power button
680    private boolean mGoToSleepOnButtonPressTheaterMode;
681
682    // Screenshot trigger states
683    // Time to volume and power must be pressed within this interval of each other.
684    private static final long SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS = 150;
685    // Increase the chord delay when taking a screenshot from the keyguard
686    private static final float KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER = 2.5f;
687    private boolean mScreenshotChordEnabled;
688    private boolean mScreenshotChordVolumeDownKeyTriggered;
689    private long mScreenshotChordVolumeDownKeyTime;
690    private boolean mScreenshotChordVolumeDownKeyConsumed;
691    private boolean mScreenshotChordVolumeUpKeyTriggered;
692    private boolean mScreenshotChordPowerKeyTriggered;
693    private long mScreenshotChordPowerKeyTime;
694
695    /* The number of steps between min and max brightness */
696    private static final int BRIGHTNESS_STEPS = 10;
697
698    SettingsObserver mSettingsObserver;
699    ShortcutManager mShortcutManager;
700    PowerManager.WakeLock mBroadcastWakeLock;
701    PowerManager.WakeLock mPowerKeyWakeLock;
702    boolean mHavePendingMediaKeyRepeatWithWakeLock;
703
704    private int mCurrentUserId;
705
706    // Maps global key codes to the components that will handle them.
707    private GlobalKeyManager mGlobalKeyManager;
708
709    // Fallback actions by key code.
710    private final SparseArray<KeyCharacterMap.FallbackAction> mFallbackActions =
711            new SparseArray<KeyCharacterMap.FallbackAction>();
712
713    private final LogDecelerateInterpolator mLogDecelerateInterpolator
714            = new LogDecelerateInterpolator(100, 0);
715
716    private final MutableBoolean mTmpBoolean = new MutableBoolean(false);
717
718    private static final int MSG_ENABLE_POINTER_LOCATION = 1;
719    private static final int MSG_DISABLE_POINTER_LOCATION = 2;
720    private static final int MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK = 3;
721    private static final int MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK = 4;
722    private static final int MSG_KEYGUARD_DRAWN_COMPLETE = 5;
723    private static final int MSG_KEYGUARD_DRAWN_TIMEOUT = 6;
724    private static final int MSG_WINDOW_MANAGER_DRAWN_COMPLETE = 7;
725    private static final int MSG_DISPATCH_SHOW_RECENTS = 9;
726    private static final int MSG_DISPATCH_SHOW_GLOBAL_ACTIONS = 10;
727    private static final int MSG_HIDE_BOOT_MESSAGE = 11;
728    private static final int MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK = 12;
729    private static final int MSG_POWER_DELAYED_PRESS = 13;
730    private static final int MSG_POWER_LONG_PRESS = 14;
731    private static final int MSG_UPDATE_DREAMING_SLEEP_TOKEN = 15;
732    private static final int MSG_REQUEST_TRANSIENT_BARS = 16;
733    private static final int MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU = 17;
734    private static final int MSG_BACK_LONG_PRESS = 18;
735    private static final int MSG_DISPOSE_INPUT_CONSUMER = 19;
736    private static final int MSG_BACK_DELAYED_PRESS = 20;
737
738    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS = 0;
739    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION = 1;
740
741    private class PolicyHandler extends Handler {
742        @Override
743        public void handleMessage(Message msg) {
744            switch (msg.what) {
745                case MSG_ENABLE_POINTER_LOCATION:
746                    enablePointerLocation();
747                    break;
748                case MSG_DISABLE_POINTER_LOCATION:
749                    disablePointerLocation();
750                    break;
751                case MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK:
752                    dispatchMediaKeyWithWakeLock((KeyEvent)msg.obj);
753                    break;
754                case MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK:
755                    dispatchMediaKeyRepeatWithWakeLock((KeyEvent)msg.obj);
756                    break;
757                case MSG_DISPATCH_SHOW_RECENTS:
758                    showRecentApps(false, msg.arg1 != 0);
759                    break;
760                case MSG_DISPATCH_SHOW_GLOBAL_ACTIONS:
761                    showGlobalActionsInternal();
762                    break;
763                case MSG_KEYGUARD_DRAWN_COMPLETE:
764                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mKeyguardDrawComplete");
765                    finishKeyguardDrawn();
766                    break;
767                case MSG_KEYGUARD_DRAWN_TIMEOUT:
768                    Slog.w(TAG, "Keyguard drawn timeout. Setting mKeyguardDrawComplete");
769                    finishKeyguardDrawn();
770                    break;
771                case MSG_WINDOW_MANAGER_DRAWN_COMPLETE:
772                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mWindowManagerDrawComplete");
773                    finishWindowsDrawn();
774                    break;
775                case MSG_HIDE_BOOT_MESSAGE:
776                    handleHideBootMessage();
777                    break;
778                case MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK:
779                    launchVoiceAssistWithWakeLock(msg.arg1 != 0);
780                    break;
781                case MSG_POWER_DELAYED_PRESS:
782                    powerPress((Long)msg.obj, msg.arg1 != 0, msg.arg2);
783                    finishPowerKeyPress();
784                    break;
785                case MSG_POWER_LONG_PRESS:
786                    powerLongPress();
787                    break;
788                case MSG_UPDATE_DREAMING_SLEEP_TOKEN:
789                    updateDreamingSleepToken(msg.arg1 != 0);
790                    break;
791                case MSG_REQUEST_TRANSIENT_BARS:
792                    WindowState targetBar = (msg.arg1 == MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS) ?
793                            mStatusBar : mNavigationBar;
794                    if (targetBar != null) {
795                        requestTransientBars(targetBar);
796                    }
797                    break;
798                case MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU:
799                    showTvPictureInPictureMenuInternal();
800                    break;
801                case MSG_BACK_LONG_PRESS:
802                    backLongPress();
803                    finishBackKeyPress();
804                    break;
805                case MSG_DISPOSE_INPUT_CONSUMER:
806                    disposeInputConsumer((InputConsumer) msg.obj);
807                    break;
808                case MSG_BACK_DELAYED_PRESS:
809                    backMultiPressAction((Long) msg.obj, msg.arg1);
810                    finishBackKeyPress();
811                    break;
812            }
813        }
814    }
815
816    private UEventObserver mHDMIObserver = new UEventObserver() {
817        @Override
818        public void onUEvent(UEventObserver.UEvent event) {
819            setHdmiPlugged("1".equals(event.get("SWITCH_STATE")));
820        }
821    };
822
823    class SettingsObserver extends ContentObserver {
824        SettingsObserver(Handler handler) {
825            super(handler);
826        }
827
828        void observe() {
829            // Observe all users' changes
830            ContentResolver resolver = mContext.getContentResolver();
831            resolver.registerContentObserver(Settings.System.getUriFor(
832                    Settings.System.END_BUTTON_BEHAVIOR), false, this,
833                    UserHandle.USER_ALL);
834            resolver.registerContentObserver(Settings.Secure.getUriFor(
835                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR), false, this,
836                    UserHandle.USER_ALL);
837            resolver.registerContentObserver(Settings.Secure.getUriFor(
838                    Settings.Secure.WAKE_GESTURE_ENABLED), false, this,
839                    UserHandle.USER_ALL);
840            resolver.registerContentObserver(Settings.System.getUriFor(
841                    Settings.System.ACCELEROMETER_ROTATION), false, this,
842                    UserHandle.USER_ALL);
843            resolver.registerContentObserver(Settings.System.getUriFor(
844                    Settings.System.USER_ROTATION), false, this,
845                    UserHandle.USER_ALL);
846            resolver.registerContentObserver(Settings.System.getUriFor(
847                    Settings.System.SCREEN_OFF_TIMEOUT), false, this,
848                    UserHandle.USER_ALL);
849            resolver.registerContentObserver(Settings.System.getUriFor(
850                    Settings.System.POINTER_LOCATION), false, this,
851                    UserHandle.USER_ALL);
852            resolver.registerContentObserver(Settings.Secure.getUriFor(
853                    Settings.Secure.DEFAULT_INPUT_METHOD), false, this,
854                    UserHandle.USER_ALL);
855            resolver.registerContentObserver(Settings.Secure.getUriFor(
856                    Settings.Secure.IMMERSIVE_MODE_CONFIRMATIONS), false, this,
857                    UserHandle.USER_ALL);
858            resolver.registerContentObserver(Settings.Global.getUriFor(
859                    Settings.Global.POLICY_CONTROL), false, this,
860                    UserHandle.USER_ALL);
861            updateSettings();
862        }
863
864        @Override public void onChange(boolean selfChange) {
865            updateSettings();
866            updateRotation(false);
867        }
868    }
869
870    class MyWakeGestureListener extends WakeGestureListener {
871        MyWakeGestureListener(Context context, Handler handler) {
872            super(context, handler);
873        }
874
875        @Override
876        public void onWakeUp() {
877            synchronized (mLock) {
878                if (shouldEnableWakeGestureLp()) {
879                    performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
880                    wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromWakeGesture,
881                            "android.policy:GESTURE");
882                }
883            }
884        }
885    }
886
887    class MyOrientationListener extends WindowOrientationListener {
888        private final Runnable mUpdateRotationRunnable = new Runnable() {
889            @Override
890            public void run() {
891                // send interaction hint to improve redraw performance
892                mPowerManagerInternal.powerHint(PowerManagerInternal.POWER_HINT_INTERACTION, 0);
893                updateRotation(false);
894            }
895        };
896
897        MyOrientationListener(Context context, Handler handler) {
898            super(context, handler);
899        }
900
901        @Override
902        public void onProposedRotationChanged(int rotation) {
903            if (localLOGV) Slog.v(TAG, "onProposedRotationChanged, rotation=" + rotation);
904            mHandler.post(mUpdateRotationRunnable);
905        }
906    }
907    MyOrientationListener mOrientationListener;
908
909    private final StatusBarController mStatusBarController = new StatusBarController();
910
911    private final BarController mNavigationBarController = new BarController("NavigationBar",
912            View.NAVIGATION_BAR_TRANSIENT,
913            View.NAVIGATION_BAR_UNHIDE,
914            View.NAVIGATION_BAR_TRANSLUCENT,
915            StatusBarManager.WINDOW_NAVIGATION_BAR,
916            WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION,
917            View.NAVIGATION_BAR_TRANSPARENT);
918
919    private ImmersiveModeConfirmation mImmersiveModeConfirmation;
920
921    private SystemGesturesPointerEventListener mSystemGestures;
922
923    IStatusBarService getStatusBarService() {
924        synchronized (mServiceAquireLock) {
925            if (mStatusBarService == null) {
926                mStatusBarService = IStatusBarService.Stub.asInterface(
927                        ServiceManager.getService("statusbar"));
928            }
929            return mStatusBarService;
930        }
931    }
932
933    StatusBarManagerInternal getStatusBarManagerInternal() {
934        synchronized (mServiceAquireLock) {
935            if (mStatusBarManagerInternal == null) {
936                mStatusBarManagerInternal =
937                        LocalServices.getService(StatusBarManagerInternal.class);
938            }
939            return mStatusBarManagerInternal;
940        }
941    }
942
943    /*
944     * We always let the sensor be switched on by default except when
945     * the user has explicitly disabled sensor based rotation or when the
946     * screen is switched off.
947     */
948    boolean needSensorRunningLp() {
949        if (mSupportAutoRotation) {
950            if (mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
951                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
952                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT
953                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE) {
954                // If the application has explicitly requested to follow the
955                // orientation, then we need to turn the sensor on.
956                return true;
957            }
958        }
959        if ((mCarDockEnablesAccelerometer && mDockMode == Intent.EXTRA_DOCK_STATE_CAR) ||
960                (mDeskDockEnablesAccelerometer && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
961                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
962                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK))) {
963            // enable accelerometer if we are docked in a dock that enables accelerometer
964            // orientation management,
965            return true;
966        }
967        if (mUserRotationMode == USER_ROTATION_LOCKED) {
968            // If the setting for using the sensor by default is enabled, then
969            // we will always leave it on.  Note that the user could go to
970            // a window that forces an orientation that does not use the
971            // sensor and in theory we could turn it off... however, when next
972            // turning it on we won't have a good value for the current
973            // orientation for a little bit, which can cause orientation
974            // changes to lag, so we'd like to keep it always on.  (It will
975            // still be turned off when the screen is off.)
976            return false;
977        }
978        return mSupportAutoRotation;
979    }
980
981    /*
982     * Various use cases for invoking this function
983     * screen turning off, should always disable listeners if already enabled
984     * screen turned on and current app has sensor based orientation, enable listeners
985     * if not already enabled
986     * screen turned on and current app does not have sensor orientation, disable listeners if
987     * already enabled
988     * screen turning on and current app has sensor based orientation, enable listeners if needed
989     * screen turning on and current app has nosensor based orientation, do nothing
990     */
991    void updateOrientationListenerLp() {
992        if (!mOrientationListener.canDetectOrientation()) {
993            // If sensor is turned off or nonexistent for some reason
994            return;
995        }
996        // Could have been invoked due to screen turning on or off or
997        // change of the currently visible window's orientation.
998        if (localLOGV) Slog.v(TAG, "mScreenOnEarly=" + mScreenOnEarly
999                + ", mAwake=" + mAwake + ", mCurrentAppOrientation=" + mCurrentAppOrientation
1000                + ", mOrientationSensorEnabled=" + mOrientationSensorEnabled
1001                + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
1002                + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
1003        boolean disable = true;
1004        // Note: We postpone the rotating of the screen until the keyguard as well as the
1005        // window manager have reported a draw complete.
1006        if (mScreenOnEarly && mAwake &&
1007                mKeyguardDrawComplete && mWindowManagerDrawComplete) {
1008            if (needSensorRunningLp()) {
1009                disable = false;
1010                //enable listener if not already enabled
1011                if (!mOrientationSensorEnabled) {
1012                    mOrientationListener.enable();
1013                    if(localLOGV) Slog.v(TAG, "Enabling listeners");
1014                    mOrientationSensorEnabled = true;
1015                }
1016            }
1017        }
1018        //check if sensors need to be disabled
1019        if (disable && mOrientationSensorEnabled) {
1020            mOrientationListener.disable();
1021            if(localLOGV) Slog.v(TAG, "Disabling listeners");
1022            mOrientationSensorEnabled = false;
1023        }
1024    }
1025
1026    private void interceptBackKeyDown() {
1027        // Reset back key state for long press
1028        mBackKeyHandled = false;
1029
1030        // Cancel multi-press detection timeout.
1031        if (hasPanicPressOnBackBehavior()) {
1032            if (mBackKeyPressCounter != 0
1033                    && mBackKeyPressCounter < PANIC_PRESS_BACK_COUNT) {
1034                mHandler.removeMessages(MSG_BACK_DELAYED_PRESS);
1035            }
1036        }
1037
1038        if (hasLongPressOnBackBehavior()) {
1039            Message msg = mHandler.obtainMessage(MSG_BACK_LONG_PRESS);
1040            msg.setAsynchronous(true);
1041            mHandler.sendMessageDelayed(msg,
1042                    ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1043        }
1044    }
1045
1046    // returns true if the key was handled and should not be passed to the user
1047    private boolean interceptBackKeyUp(KeyEvent event) {
1048        // Cache handled state
1049        boolean handled = mBackKeyHandled;
1050
1051        if (hasPanicPressOnBackBehavior()) {
1052            // Check for back key panic press
1053            ++mBackKeyPressCounter;
1054
1055            final long eventTime = event.getDownTime();
1056
1057            if (mBackKeyPressCounter <= PANIC_PRESS_BACK_COUNT) {
1058                // This could be a multi-press.  Wait a little bit longer to confirm.
1059                Message msg = mHandler.obtainMessage(MSG_BACK_DELAYED_PRESS,
1060                        mBackKeyPressCounter, 0, eventTime);
1061                msg.setAsynchronous(true);
1062                mHandler.sendMessageDelayed(msg, ViewConfiguration.getMultiPressTimeout());
1063            }
1064        }
1065
1066        // Reset back long press state
1067        cancelPendingBackKeyAction();
1068
1069        return handled;
1070    }
1071
1072    private void interceptPowerKeyDown(KeyEvent event, boolean interactive) {
1073        // Hold a wake lock until the power key is released.
1074        if (!mPowerKeyWakeLock.isHeld()) {
1075            mPowerKeyWakeLock.acquire();
1076        }
1077
1078        // Cancel multi-press detection timeout.
1079        if (mPowerKeyPressCounter != 0) {
1080            mHandler.removeMessages(MSG_POWER_DELAYED_PRESS);
1081        }
1082
1083        // Detect user pressing the power button in panic when an application has
1084        // taken over the whole screen.
1085        boolean panic = mImmersiveModeConfirmation.onPowerKeyDown(interactive,
1086                SystemClock.elapsedRealtime(), isImmersiveMode(mLastSystemUiFlags),
1087                isNavBarEmpty(mLastSystemUiFlags));
1088        if (panic) {
1089            mHandler.post(mHiddenNavPanic);
1090        }
1091
1092        // Latch power key state to detect screenshot chord.
1093        if (interactive && !mScreenshotChordPowerKeyTriggered
1094                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
1095            mScreenshotChordPowerKeyTriggered = true;
1096            mScreenshotChordPowerKeyTime = event.getDownTime();
1097            interceptScreenshotChord();
1098        }
1099
1100        // Stop ringing or end call if configured to do so when power is pressed.
1101        TelecomManager telecomManager = getTelecommService();
1102        boolean hungUp = false;
1103        if (telecomManager != null) {
1104            if (telecomManager.isRinging()) {
1105                // Pressing Power while there's a ringing incoming
1106                // call should silence the ringer.
1107                telecomManager.silenceRinger();
1108            } else if ((mIncallPowerBehavior
1109                    & Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP) != 0
1110                    && telecomManager.isInCall() && interactive) {
1111                // Otherwise, if "Power button ends call" is enabled,
1112                // the Power button will hang up any current active call.
1113                hungUp = telecomManager.endCall();
1114            }
1115        }
1116
1117        GestureLauncherService gestureService = LocalServices.getService(
1118                GestureLauncherService.class);
1119        boolean gesturedServiceIntercepted = false;
1120        if (gestureService != null) {
1121            gesturedServiceIntercepted = gestureService.interceptPowerKeyDown(event, interactive,
1122                    mTmpBoolean);
1123            if (mTmpBoolean.value && mGoingToSleep) {
1124                mCameraGestureTriggeredDuringGoingToSleep = true;
1125            }
1126        }
1127
1128        // If the power key has still not yet been handled, then detect short
1129        // press, long press, or multi press and decide what to do.
1130        mPowerKeyHandled = hungUp || mScreenshotChordVolumeDownKeyTriggered
1131                || mScreenshotChordVolumeUpKeyTriggered || gesturedServiceIntercepted;
1132        if (!mPowerKeyHandled) {
1133            if (interactive) {
1134                // When interactive, we're already awake.
1135                // Wait for a long press or for the button to be released to decide what to do.
1136                if (hasLongPressOnPowerBehavior()) {
1137                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
1138                    msg.setAsynchronous(true);
1139                    mHandler.sendMessageDelayed(msg,
1140                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1141                }
1142            } else {
1143                wakeUpFromPowerKey(event.getDownTime());
1144
1145                if (mSupportLongPressPowerWhenNonInteractive && hasLongPressOnPowerBehavior()) {
1146                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
1147                    msg.setAsynchronous(true);
1148                    mHandler.sendMessageDelayed(msg,
1149                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1150                    mBeganFromNonInteractive = true;
1151                } else {
1152                    final int maxCount = getMaxMultiPressPowerCount();
1153
1154                    if (maxCount <= 1) {
1155                        mPowerKeyHandled = true;
1156                    } else {
1157                        mBeganFromNonInteractive = true;
1158                    }
1159                }
1160            }
1161        }
1162    }
1163
1164    private void interceptPowerKeyUp(KeyEvent event, boolean interactive, boolean canceled) {
1165        final boolean handled = canceled || mPowerKeyHandled;
1166        mScreenshotChordPowerKeyTriggered = false;
1167        cancelPendingScreenshotChordAction();
1168        cancelPendingPowerKeyAction();
1169
1170        if (!handled) {
1171            // Figure out how to handle the key now that it has been released.
1172            mPowerKeyPressCounter += 1;
1173
1174            final int maxCount = getMaxMultiPressPowerCount();
1175            final long eventTime = event.getDownTime();
1176            if (mPowerKeyPressCounter < maxCount) {
1177                // This could be a multi-press.  Wait a little bit longer to confirm.
1178                // Continue holding the wake lock.
1179                Message msg = mHandler.obtainMessage(MSG_POWER_DELAYED_PRESS,
1180                        interactive ? 1 : 0, mPowerKeyPressCounter, eventTime);
1181                msg.setAsynchronous(true);
1182                mHandler.sendMessageDelayed(msg, ViewConfiguration.getDoubleTapTimeout());
1183                return;
1184            }
1185
1186            // No other actions.  Handle it immediately.
1187            powerPress(eventTime, interactive, mPowerKeyPressCounter);
1188        }
1189
1190        // Done.  Reset our state.
1191        finishPowerKeyPress();
1192    }
1193
1194    private void finishPowerKeyPress() {
1195        mBeganFromNonInteractive = false;
1196        mPowerKeyPressCounter = 0;
1197        if (mPowerKeyWakeLock.isHeld()) {
1198            mPowerKeyWakeLock.release();
1199        }
1200    }
1201
1202    private void finishBackKeyPress() {
1203        mBackKeyPressCounter = 0;
1204    }
1205
1206    private void cancelPendingPowerKeyAction() {
1207        if (!mPowerKeyHandled) {
1208            mPowerKeyHandled = true;
1209            mHandler.removeMessages(MSG_POWER_LONG_PRESS);
1210        }
1211    }
1212
1213    private void cancelPendingBackKeyAction() {
1214        if (!mBackKeyHandled) {
1215            mBackKeyHandled = true;
1216            mHandler.removeMessages(MSG_BACK_LONG_PRESS);
1217        }
1218    }
1219
1220    private void backMultiPressAction(long eventTime, int count) {
1221        if (count >= PANIC_PRESS_BACK_COUNT) {
1222            switch (mPanicPressOnBackBehavior) {
1223                case PANIC_PRESS_BACK_NOTHING:
1224                    break;
1225                case PANIC_PRESS_BACK_HOME:
1226                    launchHomeFromHotKey();
1227                    break;
1228            }
1229        }
1230    }
1231
1232    private void powerPress(long eventTime, boolean interactive, int count) {
1233        if (mScreenOnEarly && !mScreenOnFully) {
1234            Slog.i(TAG, "Suppressed redundant power key press while "
1235                    + "already in the process of turning the screen on.");
1236            return;
1237        }
1238
1239        if (count == 2) {
1240            powerMultiPressAction(eventTime, interactive, mDoublePressOnPowerBehavior);
1241        } else if (count == 3) {
1242            powerMultiPressAction(eventTime, interactive, mTriplePressOnPowerBehavior);
1243        } else if (interactive && !mBeganFromNonInteractive) {
1244            switch (mShortPressOnPowerBehavior) {
1245                case SHORT_PRESS_POWER_NOTHING:
1246                    break;
1247                case SHORT_PRESS_POWER_GO_TO_SLEEP:
1248                    mPowerManager.goToSleep(eventTime,
1249                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1250                    break;
1251                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP:
1252                    mPowerManager.goToSleep(eventTime,
1253                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1254                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1255                    break;
1256                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME:
1257                    mPowerManager.goToSleep(eventTime,
1258                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1259                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1260                    launchHomeFromHotKey();
1261                    break;
1262                case SHORT_PRESS_POWER_GO_HOME:
1263                    launchHomeFromHotKey(true /* awakenFromDreams */, false /*respectKeyguard*/);
1264                    break;
1265            }
1266        }
1267    }
1268
1269    private void powerMultiPressAction(long eventTime, boolean interactive, int behavior) {
1270        switch (behavior) {
1271            case MULTI_PRESS_POWER_NOTHING:
1272                break;
1273            case MULTI_PRESS_POWER_THEATER_MODE:
1274                if (!isUserSetupComplete()) {
1275                    Slog.i(TAG, "Ignoring toggling theater mode - device not setup.");
1276                    break;
1277                }
1278
1279                if (isTheaterModeEnabled()) {
1280                    Slog.i(TAG, "Toggling theater mode off.");
1281                    Settings.Global.putInt(mContext.getContentResolver(),
1282                            Settings.Global.THEATER_MODE_ON, 0);
1283                    if (!interactive) {
1284                        wakeUpFromPowerKey(eventTime);
1285                    }
1286                } else {
1287                    Slog.i(TAG, "Toggling theater mode on.");
1288                    Settings.Global.putInt(mContext.getContentResolver(),
1289                            Settings.Global.THEATER_MODE_ON, 1);
1290
1291                    if (mGoToSleepOnButtonPressTheaterMode && interactive) {
1292                        mPowerManager.goToSleep(eventTime,
1293                                PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1294                    }
1295                }
1296                break;
1297            case MULTI_PRESS_POWER_BRIGHTNESS_BOOST:
1298                Slog.i(TAG, "Starting brightness boost.");
1299                if (!interactive) {
1300                    wakeUpFromPowerKey(eventTime);
1301                }
1302                mPowerManager.boostScreenBrightness(eventTime);
1303                break;
1304        }
1305    }
1306
1307    private int getMaxMultiPressPowerCount() {
1308        if (mTriplePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1309            return 3;
1310        }
1311        if (mDoublePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1312            return 2;
1313        }
1314        return 1;
1315    }
1316
1317    private void powerLongPress() {
1318        final int behavior = getResolvedLongPressOnPowerBehavior();
1319        switch (behavior) {
1320        case LONG_PRESS_POWER_NOTHING:
1321            break;
1322        case LONG_PRESS_POWER_GLOBAL_ACTIONS:
1323            mPowerKeyHandled = true;
1324            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1325                performAuditoryFeedbackForAccessibilityIfNeed();
1326            }
1327            showGlobalActionsInternal();
1328            break;
1329        case LONG_PRESS_POWER_SHUT_OFF:
1330        case LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM:
1331            mPowerKeyHandled = true;
1332            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1333            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1334            mWindowManagerFuncs.shutdown(behavior == LONG_PRESS_POWER_SHUT_OFF);
1335            break;
1336        }
1337    }
1338
1339    private void backLongPress() {
1340        mBackKeyHandled = true;
1341
1342        switch (mLongPressOnBackBehavior) {
1343            case LONG_PRESS_BACK_NOTHING:
1344                break;
1345            case LONG_PRESS_BACK_GO_TO_VOICE_ASSIST:
1346                Intent intent = new Intent(Intent.ACTION_VOICE_ASSIST);
1347                startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
1348                break;
1349        }
1350    }
1351
1352    private void disposeInputConsumer(InputConsumer inputConsumer) {
1353        if (inputConsumer != null) {
1354            inputConsumer.dismiss();
1355        }
1356    }
1357
1358    private void sleepPress(long eventTime) {
1359        if (mShortPressOnSleepBehavior == SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME) {
1360            launchHomeFromHotKey(false /* awakenDreams */, true /*respectKeyguard*/);
1361        }
1362    }
1363
1364    private void sleepRelease(long eventTime) {
1365        switch (mShortPressOnSleepBehavior) {
1366            case SHORT_PRESS_SLEEP_GO_TO_SLEEP:
1367            case SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME:
1368                Slog.i(TAG, "sleepRelease() calling goToSleep(GO_TO_SLEEP_REASON_SLEEP_BUTTON)");
1369                mPowerManager.goToSleep(eventTime,
1370                       PowerManager.GO_TO_SLEEP_REASON_SLEEP_BUTTON, 0);
1371                break;
1372        }
1373    }
1374
1375    private int getResolvedLongPressOnPowerBehavior() {
1376        if (FactoryTest.isLongPressOnPowerOffEnabled()) {
1377            return LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;
1378        }
1379        return mLongPressOnPowerBehavior;
1380    }
1381
1382    private boolean hasLongPressOnPowerBehavior() {
1383        return getResolvedLongPressOnPowerBehavior() != LONG_PRESS_POWER_NOTHING;
1384    }
1385
1386    private boolean hasLongPressOnBackBehavior() {
1387        return mLongPressOnBackBehavior != LONG_PRESS_BACK_NOTHING;
1388    }
1389
1390    private boolean hasPanicPressOnBackBehavior() {
1391        return mPanicPressOnBackBehavior != PANIC_PRESS_BACK_NOTHING;
1392    }
1393
1394    private void interceptScreenshotChord() {
1395        if (mScreenshotChordEnabled
1396                && mScreenshotChordVolumeDownKeyTriggered && mScreenshotChordPowerKeyTriggered
1397                && !mScreenshotChordVolumeUpKeyTriggered) {
1398            final long now = SystemClock.uptimeMillis();
1399            if (now <= mScreenshotChordVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS
1400                    && now <= mScreenshotChordPowerKeyTime
1401                            + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS) {
1402                mScreenshotChordVolumeDownKeyConsumed = true;
1403                cancelPendingPowerKeyAction();
1404                mScreenshotRunnable.setScreenshotType(TAKE_SCREENSHOT_FULLSCREEN);
1405                mHandler.postDelayed(mScreenshotRunnable, getScreenshotChordLongPressDelay());
1406            }
1407        }
1408    }
1409
1410    private long getScreenshotChordLongPressDelay() {
1411        if (mKeyguardDelegate.isShowing()) {
1412            // Double the time it takes to take a screenshot from the keyguard
1413            return (long) (KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER *
1414                    ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1415        }
1416        return ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout();
1417    }
1418
1419    private void cancelPendingScreenshotChordAction() {
1420        mHandler.removeCallbacks(mScreenshotRunnable);
1421    }
1422
1423    private final Runnable mEndCallLongPress = new Runnable() {
1424        @Override
1425        public void run() {
1426            mEndCallKeyHandled = true;
1427            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1428                performAuditoryFeedbackForAccessibilityIfNeed();
1429            }
1430            showGlobalActionsInternal();
1431        }
1432    };
1433
1434    private class ScreenshotRunnable implements Runnable {
1435        private int mScreenshotType = TAKE_SCREENSHOT_FULLSCREEN;
1436
1437        public void setScreenshotType(int screenshotType) {
1438            mScreenshotType = screenshotType;
1439        }
1440
1441        @Override
1442        public void run() {
1443            takeScreenshot(mScreenshotType);
1444        }
1445    }
1446
1447    private final ScreenshotRunnable mScreenshotRunnable = new ScreenshotRunnable();
1448
1449    @Override
1450    public void showGlobalActions() {
1451        mHandler.removeMessages(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1452        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1453    }
1454
1455    void showGlobalActionsInternal() {
1456        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1457        if (mGlobalActions == null) {
1458            mGlobalActions = new GlobalActions(mContext, mWindowManagerFuncs);
1459        }
1460        final boolean keyguardShowing = isKeyguardShowingAndNotOccluded();
1461        mGlobalActions.showDialog(keyguardShowing, isDeviceProvisioned());
1462        if (keyguardShowing) {
1463            // since it took two seconds of long press to bring this up,
1464            // poke the wake lock so they have some time to see the dialog.
1465            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
1466        }
1467    }
1468
1469    boolean isDeviceProvisioned() {
1470        return Settings.Global.getInt(
1471                mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0;
1472    }
1473
1474    boolean isUserSetupComplete() {
1475        return Settings.Secure.getIntForUser(mContext.getContentResolver(),
1476                Settings.Secure.USER_SETUP_COMPLETE, 0, UserHandle.USER_CURRENT) != 0;
1477    }
1478
1479    private void handleShortPressOnHome() {
1480        // Turn on the connected TV and switch HDMI input if we're a HDMI playback device.
1481        getHdmiControl().turnOnTv();
1482
1483        // If there's a dream running then use home to escape the dream
1484        // but don't actually go home.
1485        if (mDreamManagerInternal != null && mDreamManagerInternal.isDreaming()) {
1486            mDreamManagerInternal.stopDream(false /*immediate*/);
1487            return;
1488        }
1489
1490        // Go home!
1491        launchHomeFromHotKey();
1492    }
1493
1494    /**
1495     * Creates an accessor to HDMI control service that performs the operation of
1496     * turning on TV (optional) and switching input to us. If HDMI control service
1497     * is not available or we're not a HDMI playback device, the operation is no-op.
1498     */
1499    private HdmiControl getHdmiControl() {
1500        if (null == mHdmiControl) {
1501            HdmiControlManager manager = (HdmiControlManager) mContext.getSystemService(
1502                        Context.HDMI_CONTROL_SERVICE);
1503            HdmiPlaybackClient client = null;
1504            if (manager != null) {
1505                client = manager.getPlaybackClient();
1506            }
1507            mHdmiControl = new HdmiControl(client);
1508        }
1509        return mHdmiControl;
1510    }
1511
1512    private static class HdmiControl {
1513        private final HdmiPlaybackClient mClient;
1514
1515        private HdmiControl(HdmiPlaybackClient client) {
1516            mClient = client;
1517        }
1518
1519        public void turnOnTv() {
1520            if (mClient == null) {
1521                return;
1522            }
1523            mClient.oneTouchPlay(new OneTouchPlayCallback() {
1524                @Override
1525                public void onComplete(int result) {
1526                    if (result != HdmiControlManager.RESULT_SUCCESS) {
1527                        Log.w(TAG, "One touch play failed: " + result);
1528                    }
1529                }
1530            });
1531        }
1532    }
1533
1534    private void handleLongPressOnHome(int deviceId) {
1535        if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_NOTHING) {
1536            return;
1537        }
1538        mHomeConsumed = true;
1539        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1540
1541        switch (mLongPressOnHomeBehavior) {
1542            case LONG_PRESS_HOME_RECENT_SYSTEM_UI:
1543                toggleRecentApps();
1544                break;
1545            case LONG_PRESS_HOME_ASSIST:
1546                launchAssistAction(null, deviceId);
1547                break;
1548            default:
1549                Log.w(TAG, "Undefined home long press behavior: " + mLongPressOnHomeBehavior);
1550                break;
1551        }
1552    }
1553
1554    private void handleDoubleTapOnHome() {
1555        if (mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1556            mHomeConsumed = true;
1557            toggleRecentApps();
1558        }
1559    }
1560
1561    private void showTvPictureInPictureMenu(KeyEvent event) {
1562        if (DEBUG_INPUT) Log.d(TAG, "showTvPictureInPictureMenu event=" + event);
1563        mHandler.removeMessages(MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU);
1564        Message msg = mHandler.obtainMessage(MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU);
1565        msg.setAsynchronous(true);
1566        msg.sendToTarget();
1567    }
1568
1569    private void showTvPictureInPictureMenuInternal() {
1570        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
1571        if (statusbar != null) {
1572            statusbar.showTvPictureInPictureMenu();
1573        }
1574    }
1575
1576    private final Runnable mHomeDoubleTapTimeoutRunnable = new Runnable() {
1577        @Override
1578        public void run() {
1579            if (mHomeDoubleTapPending) {
1580                mHomeDoubleTapPending = false;
1581                handleShortPressOnHome();
1582            }
1583        }
1584    };
1585
1586    private boolean isRoundWindow() {
1587        return mContext.getResources().getConfiguration().isScreenRound();
1588    }
1589
1590    /** {@inheritDoc} */
1591    @Override
1592    public void init(Context context, IWindowManager windowManager,
1593            WindowManagerFuncs windowManagerFuncs) {
1594        mContext = context;
1595        mWindowManager = windowManager;
1596        mWindowManagerFuncs = windowManagerFuncs;
1597        mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class);
1598        mActivityManagerInternal = LocalServices.getService(ActivityManagerInternal.class);
1599        mInputManagerInternal = LocalServices.getService(InputManagerInternal.class);
1600        mDreamManagerInternal = LocalServices.getService(DreamManagerInternal.class);
1601        mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class);
1602        mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
1603        mHasFeatureWatch = mContext.getPackageManager().hasSystemFeature(FEATURE_WATCH);
1604
1605        // Init display burn-in protection
1606        boolean burnInProtectionEnabled = context.getResources().getBoolean(
1607                com.android.internal.R.bool.config_enableBurnInProtection);
1608        // Allow a system property to override this. Used by developer settings.
1609        boolean burnInProtectionDevMode =
1610                SystemProperties.getBoolean("persist.debug.force_burn_in", false);
1611        if (burnInProtectionEnabled || burnInProtectionDevMode) {
1612            final int minHorizontal;
1613            final int maxHorizontal;
1614            final int minVertical;
1615            final int maxVertical;
1616            final int maxRadius;
1617            if (burnInProtectionDevMode) {
1618                minHorizontal = -8;
1619                maxHorizontal = 8;
1620                minVertical = -8;
1621                maxVertical = -4;
1622                maxRadius = (isRoundWindow()) ? 6 : -1;
1623            } else {
1624                Resources resources = context.getResources();
1625                minHorizontal = resources.getInteger(
1626                        com.android.internal.R.integer.config_burnInProtectionMinHorizontalOffset);
1627                maxHorizontal = resources.getInteger(
1628                        com.android.internal.R.integer.config_burnInProtectionMaxHorizontalOffset);
1629                minVertical = resources.getInteger(
1630                        com.android.internal.R.integer.config_burnInProtectionMinVerticalOffset);
1631                maxVertical = resources.getInteger(
1632                        com.android.internal.R.integer.config_burnInProtectionMaxVerticalOffset);
1633                maxRadius = resources.getInteger(
1634                        com.android.internal.R.integer.config_burnInProtectionMaxRadius);
1635            }
1636            mBurnInProtectionHelper = new BurnInProtectionHelper(
1637                    context, minHorizontal, maxHorizontal, minVertical, maxVertical, maxRadius);
1638        }
1639
1640        mHandler = new PolicyHandler();
1641        mWakeGestureListener = new MyWakeGestureListener(mContext, mHandler);
1642        mOrientationListener = new MyOrientationListener(mContext, mHandler);
1643        try {
1644            mOrientationListener.setCurrentRotation(windowManager.getRotation());
1645        } catch (RemoteException ex) { }
1646        mSettingsObserver = new SettingsObserver(mHandler);
1647        mSettingsObserver.observe();
1648        mShortcutManager = new ShortcutManager(context);
1649        mUiMode = context.getResources().getInteger(
1650                com.android.internal.R.integer.config_defaultUiModeType);
1651        mHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
1652        mHomeIntent.addCategory(Intent.CATEGORY_HOME);
1653        mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1654                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1655        mEnableCarDockHomeCapture = context.getResources().getBoolean(
1656                com.android.internal.R.bool.config_enableCarDockHomeLaunch);
1657        mCarDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1658        mCarDockIntent.addCategory(Intent.CATEGORY_CAR_DOCK);
1659        mCarDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1660                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1661        mDeskDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1662        mDeskDockIntent.addCategory(Intent.CATEGORY_DESK_DOCK);
1663        mDeskDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1664                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1665
1666        mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
1667        mBroadcastWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1668                "PhoneWindowManager.mBroadcastWakeLock");
1669        mPowerKeyWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1670                "PhoneWindowManager.mPowerKeyWakeLock");
1671        mEnableShiftMenuBugReports = "1".equals(SystemProperties.get("ro.debuggable"));
1672        mSupportAutoRotation = mContext.getResources().getBoolean(
1673                com.android.internal.R.bool.config_supportAutoRotation);
1674        mLidOpenRotation = readRotation(
1675                com.android.internal.R.integer.config_lidOpenRotation);
1676        mCarDockRotation = readRotation(
1677                com.android.internal.R.integer.config_carDockRotation);
1678        mDeskDockRotation = readRotation(
1679                com.android.internal.R.integer.config_deskDockRotation);
1680        mUndockedHdmiRotation = readRotation(
1681                com.android.internal.R.integer.config_undockedHdmiRotation);
1682        mCarDockEnablesAccelerometer = mContext.getResources().getBoolean(
1683                com.android.internal.R.bool.config_carDockEnablesAccelerometer);
1684        mDeskDockEnablesAccelerometer = mContext.getResources().getBoolean(
1685                com.android.internal.R.bool.config_deskDockEnablesAccelerometer);
1686        mLidKeyboardAccessibility = mContext.getResources().getInteger(
1687                com.android.internal.R.integer.config_lidKeyboardAccessibility);
1688        mLidNavigationAccessibility = mContext.getResources().getInteger(
1689                com.android.internal.R.integer.config_lidNavigationAccessibility);
1690        mLidControlsScreenLock = mContext.getResources().getBoolean(
1691                com.android.internal.R.bool.config_lidControlsScreenLock);
1692        mLidControlsSleep = mContext.getResources().getBoolean(
1693                com.android.internal.R.bool.config_lidControlsSleep);
1694        mTranslucentDecorEnabled = mContext.getResources().getBoolean(
1695                com.android.internal.R.bool.config_enableTranslucentDecor);
1696
1697        mAllowTheaterModeWakeFromKey = mContext.getResources().getBoolean(
1698                com.android.internal.R.bool.config_allowTheaterModeWakeFromKey);
1699        mAllowTheaterModeWakeFromPowerKey = mAllowTheaterModeWakeFromKey
1700                || mContext.getResources().getBoolean(
1701                    com.android.internal.R.bool.config_allowTheaterModeWakeFromPowerKey);
1702        mAllowTheaterModeWakeFromMotion = mContext.getResources().getBoolean(
1703                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotion);
1704        mAllowTheaterModeWakeFromMotionWhenNotDreaming = mContext.getResources().getBoolean(
1705                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotionWhenNotDreaming);
1706        mAllowTheaterModeWakeFromCameraLens = mContext.getResources().getBoolean(
1707                com.android.internal.R.bool.config_allowTheaterModeWakeFromCameraLens);
1708        mAllowTheaterModeWakeFromLidSwitch = mContext.getResources().getBoolean(
1709                com.android.internal.R.bool.config_allowTheaterModeWakeFromLidSwitch);
1710        mAllowTheaterModeWakeFromWakeGesture = mContext.getResources().getBoolean(
1711                com.android.internal.R.bool.config_allowTheaterModeWakeFromGesture);
1712
1713        mGoToSleepOnButtonPressTheaterMode = mContext.getResources().getBoolean(
1714                com.android.internal.R.bool.config_goToSleepOnButtonPressTheaterMode);
1715
1716        mSupportLongPressPowerWhenNonInteractive = mContext.getResources().getBoolean(
1717                com.android.internal.R.bool.config_supportLongPressPowerWhenNonInteractive);
1718
1719        mLongPressOnBackBehavior = mContext.getResources().getInteger(
1720                com.android.internal.R.integer.config_longPressOnBackBehavior);
1721        mPanicPressOnBackBehavior = mContext.getResources().getInteger(
1722                com.android.internal.R.integer.config_backPanicBehavior);
1723
1724        mShortPressOnPowerBehavior = mContext.getResources().getInteger(
1725                com.android.internal.R.integer.config_shortPressOnPowerBehavior);
1726        mLongPressOnPowerBehavior = mContext.getResources().getInteger(
1727                com.android.internal.R.integer.config_longPressOnPowerBehavior);
1728        mDoublePressOnPowerBehavior = mContext.getResources().getInteger(
1729                com.android.internal.R.integer.config_doublePressOnPowerBehavior);
1730        mTriplePressOnPowerBehavior = mContext.getResources().getInteger(
1731                com.android.internal.R.integer.config_triplePressOnPowerBehavior);
1732        mShortPressOnSleepBehavior = mContext.getResources().getInteger(
1733                com.android.internal.R.integer.config_shortPressOnSleepBehavior);
1734
1735        mUseTvRouting = AudioSystem.getPlatformType(mContext) == AudioSystem.PLATFORM_TELEVISION;
1736
1737        readConfigurationDependentBehaviors();
1738
1739        mAccessibilityManager = (AccessibilityManager) context.getSystemService(
1740                Context.ACCESSIBILITY_SERVICE);
1741
1742        // register for dock events
1743        IntentFilter filter = new IntentFilter();
1744        filter.addAction(UiModeManager.ACTION_ENTER_CAR_MODE);
1745        filter.addAction(UiModeManager.ACTION_EXIT_CAR_MODE);
1746        filter.addAction(UiModeManager.ACTION_ENTER_DESK_MODE);
1747        filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
1748        filter.addAction(Intent.ACTION_DOCK_EVENT);
1749        Intent intent = context.registerReceiver(mDockReceiver, filter);
1750        if (intent != null) {
1751            // Retrieve current sticky dock event broadcast.
1752            mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
1753                    Intent.EXTRA_DOCK_STATE_UNDOCKED);
1754        }
1755
1756        // register for dream-related broadcasts
1757        filter = new IntentFilter();
1758        filter.addAction(Intent.ACTION_DREAMING_STARTED);
1759        filter.addAction(Intent.ACTION_DREAMING_STOPPED);
1760        context.registerReceiver(mDreamReceiver, filter);
1761
1762        // register for multiuser-relevant broadcasts
1763        filter = new IntentFilter(Intent.ACTION_USER_SWITCHED);
1764        context.registerReceiver(mMultiuserReceiver, filter);
1765
1766        // monitor for system gestures
1767        mSystemGestures = new SystemGesturesPointerEventListener(context,
1768                new SystemGesturesPointerEventListener.Callbacks() {
1769                    @Override
1770                    public void onSwipeFromTop() {
1771                        if (mStatusBar != null) {
1772                            requestTransientBars(mStatusBar);
1773                        }
1774                    }
1775                    @Override
1776                    public void onSwipeFromBottom() {
1777                        if (mNavigationBar != null && mNavigationBarPosition == NAV_BAR_BOTTOM) {
1778                            requestTransientBars(mNavigationBar);
1779                        }
1780                    }
1781                    @Override
1782                    public void onSwipeFromRight() {
1783                        if (mNavigationBar != null && mNavigationBarPosition == NAV_BAR_RIGHT) {
1784                            requestTransientBars(mNavigationBar);
1785                        }
1786                    }
1787                    @Override
1788                    public void onSwipeFromLeft() {
1789                        if (mNavigationBar != null && mNavigationBarPosition == NAV_BAR_LEFT) {
1790                            requestTransientBars(mNavigationBar);
1791                        }
1792                    }
1793                    @Override
1794                    public void onFling(int duration) {
1795                        if (mPowerManagerInternal != null) {
1796                            mPowerManagerInternal.powerHint(
1797                                    PowerManagerInternal.POWER_HINT_INTERACTION, duration);
1798                        }
1799                    }
1800                    @Override
1801                    public void onDebug() {
1802                        // no-op
1803                    }
1804                    @Override
1805                    public void onDown() {
1806                        mOrientationListener.onTouchStart();
1807                    }
1808                    @Override
1809                    public void onUpOrCancel() {
1810                        mOrientationListener.onTouchEnd();
1811                    }
1812                    @Override
1813                    public void onMouseHoverAtTop() {
1814                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1815                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
1816                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS;
1817                        mHandler.sendMessageDelayed(msg, 500);
1818                    }
1819                    @Override
1820                    public void onMouseHoverAtBottom() {
1821                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1822                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
1823                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION;
1824                        mHandler.sendMessageDelayed(msg, 500);
1825                    }
1826                    @Override
1827                    public void onMouseLeaveFromEdge() {
1828                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1829                    }
1830                });
1831        mImmersiveModeConfirmation = new ImmersiveModeConfirmation(mContext);
1832        mWindowManagerFuncs.registerPointerEventListener(mSystemGestures);
1833
1834        mVibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE);
1835        mLongPressVibePattern = getLongIntArray(mContext.getResources(),
1836                com.android.internal.R.array.config_longPressVibePattern);
1837        mVirtualKeyVibePattern = getLongIntArray(mContext.getResources(),
1838                com.android.internal.R.array.config_virtualKeyVibePattern);
1839        mKeyboardTapVibePattern = getLongIntArray(mContext.getResources(),
1840                com.android.internal.R.array.config_keyboardTapVibePattern);
1841        mClockTickVibePattern = getLongIntArray(mContext.getResources(),
1842                com.android.internal.R.array.config_clockTickVibePattern);
1843        mCalendarDateVibePattern = getLongIntArray(mContext.getResources(),
1844                com.android.internal.R.array.config_calendarDateVibePattern);
1845        mSafeModeDisabledVibePattern = getLongIntArray(mContext.getResources(),
1846                com.android.internal.R.array.config_safeModeDisabledVibePattern);
1847        mSafeModeEnabledVibePattern = getLongIntArray(mContext.getResources(),
1848                com.android.internal.R.array.config_safeModeEnabledVibePattern);
1849        mContextClickVibePattern = getLongIntArray(mContext.getResources(),
1850                com.android.internal.R.array.config_contextClickVibePattern);
1851
1852        mScreenshotChordEnabled = mContext.getResources().getBoolean(
1853                com.android.internal.R.bool.config_enableScreenshotChord);
1854
1855        mGlobalKeyManager = new GlobalKeyManager(mContext);
1856
1857        // Controls rotation and the like.
1858        initializeHdmiState();
1859
1860        // Match current screen state.
1861        if (!mPowerManager.isInteractive()) {
1862            startedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1863            finishedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1864        }
1865
1866        mWindowManagerInternal.registerAppTransitionListener(
1867                mStatusBarController.getAppTransitionListener());
1868    }
1869
1870    /**
1871     * Read values from config.xml that may be overridden depending on
1872     * the configuration of the device.
1873     * eg. Disable long press on home goes to recents on sw600dp.
1874     */
1875    private void readConfigurationDependentBehaviors() {
1876        final Resources res = mContext.getResources();
1877
1878        mLongPressOnHomeBehavior = res.getInteger(
1879                com.android.internal.R.integer.config_longPressOnHomeBehavior);
1880        if (mLongPressOnHomeBehavior < LONG_PRESS_HOME_NOTHING ||
1881                mLongPressOnHomeBehavior > LAST_LONG_PRESS_HOME_BEHAVIOR) {
1882            mLongPressOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1883        }
1884
1885        mDoubleTapOnHomeBehavior = res.getInteger(
1886                com.android.internal.R.integer.config_doubleTapOnHomeBehavior);
1887        if (mDoubleTapOnHomeBehavior < DOUBLE_TAP_HOME_NOTHING ||
1888                mDoubleTapOnHomeBehavior > DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1889            mDoubleTapOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1890        }
1891
1892        mShortPressWindowBehavior = SHORT_PRESS_WINDOW_NOTHING;
1893        if (mContext.getPackageManager().hasSystemFeature(FEATURE_PICTURE_IN_PICTURE)) {
1894            mShortPressWindowBehavior = SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE;
1895        }
1896
1897        mNavBarOpacityMode = res.getInteger(
1898                com.android.internal.R.integer.config_navBarOpacityMode);
1899    }
1900
1901    @Override
1902    public void setInitialDisplaySize(Display display, int width, int height, int density) {
1903        // This method might be called before the policy has been fully initialized
1904        // or for other displays we don't care about.
1905        if (mContext == null || display.getDisplayId() != Display.DEFAULT_DISPLAY) {
1906            return;
1907        }
1908        mDisplay = display;
1909
1910        final Resources res = mContext.getResources();
1911        int shortSize, longSize;
1912        if (width > height) {
1913            shortSize = height;
1914            longSize = width;
1915            mLandscapeRotation = Surface.ROTATION_0;
1916            mSeascapeRotation = Surface.ROTATION_180;
1917            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1918                mPortraitRotation = Surface.ROTATION_90;
1919                mUpsideDownRotation = Surface.ROTATION_270;
1920            } else {
1921                mPortraitRotation = Surface.ROTATION_270;
1922                mUpsideDownRotation = Surface.ROTATION_90;
1923            }
1924        } else {
1925            shortSize = width;
1926            longSize = height;
1927            mPortraitRotation = Surface.ROTATION_0;
1928            mUpsideDownRotation = Surface.ROTATION_180;
1929            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1930                mLandscapeRotation = Surface.ROTATION_270;
1931                mSeascapeRotation = Surface.ROTATION_90;
1932            } else {
1933                mLandscapeRotation = Surface.ROTATION_90;
1934                mSeascapeRotation = Surface.ROTATION_270;
1935            }
1936        }
1937
1938        // SystemUI (status bar) layout policy
1939        int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT / density;
1940        int longSizeDp = longSize * DisplayMetrics.DENSITY_DEFAULT / density;
1941
1942        // Allow the navigation bar to move on non-square small devices (phones).
1943        mNavigationBarCanMove = width != height && shortSizeDp < 600;
1944
1945        mHasNavigationBar = res.getBoolean(com.android.internal.R.bool.config_showNavigationBar);
1946
1947        // Allow a system property to override this. Used by the emulator.
1948        // See also hasNavigationBar().
1949        String navBarOverride = SystemProperties.get("qemu.hw.mainkeys");
1950        if ("1".equals(navBarOverride)) {
1951            mHasNavigationBar = false;
1952        } else if ("0".equals(navBarOverride)) {
1953            mHasNavigationBar = true;
1954        }
1955
1956        // For demo purposes, allow the rotation of the HDMI display to be controlled.
1957        // By default, HDMI locks rotation to landscape.
1958        if ("portrait".equals(SystemProperties.get("persist.demo.hdmirotation"))) {
1959            mDemoHdmiRotation = mPortraitRotation;
1960        } else {
1961            mDemoHdmiRotation = mLandscapeRotation;
1962        }
1963        mDemoHdmiRotationLock = SystemProperties.getBoolean("persist.demo.hdmirotationlock", false);
1964
1965        // For demo purposes, allow the rotation of the remote display to be controlled.
1966        // By default, remote display locks rotation to landscape.
1967        if ("portrait".equals(SystemProperties.get("persist.demo.remoterotation"))) {
1968            mDemoRotation = mPortraitRotation;
1969        } else {
1970            mDemoRotation = mLandscapeRotation;
1971        }
1972        mDemoRotationLock = SystemProperties.getBoolean(
1973                "persist.demo.rotationlock", false);
1974
1975        // Only force the default orientation if the screen is xlarge, at least 960dp x 720dp, per
1976        // http://developer.android.com/guide/practices/screens_support.html#range
1977        mForceDefaultOrientation = longSizeDp >= 960 && shortSizeDp >= 720 &&
1978                res.getBoolean(com.android.internal.R.bool.config_forceDefaultOrientation) &&
1979                // For debug purposes the next line turns this feature off with:
1980                // $ adb shell setprop config.override_forced_orient true
1981                // $ adb shell wm size reset
1982                !"true".equals(SystemProperties.get("config.override_forced_orient"));
1983    }
1984
1985    /**
1986     * @return whether the navigation bar can be hidden, e.g. the device has a
1987     *         navigation bar and touch exploration is not enabled
1988     */
1989    private boolean canHideNavigationBar() {
1990        return mHasNavigationBar;
1991    }
1992
1993    @Override
1994    public boolean isDefaultOrientationForced() {
1995        return mForceDefaultOrientation;
1996    }
1997
1998    @Override
1999    public void setDisplayOverscan(Display display, int left, int top, int right, int bottom) {
2000        if (display.getDisplayId() == Display.DEFAULT_DISPLAY) {
2001            mOverscanLeft = left;
2002            mOverscanTop = top;
2003            mOverscanRight = right;
2004            mOverscanBottom = bottom;
2005        }
2006    }
2007
2008    public void updateSettings() {
2009        ContentResolver resolver = mContext.getContentResolver();
2010        boolean updateRotation = false;
2011        synchronized (mLock) {
2012            mEndcallBehavior = Settings.System.getIntForUser(resolver,
2013                    Settings.System.END_BUTTON_BEHAVIOR,
2014                    Settings.System.END_BUTTON_BEHAVIOR_DEFAULT,
2015                    UserHandle.USER_CURRENT);
2016            mIncallPowerBehavior = Settings.Secure.getIntForUser(resolver,
2017                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
2018                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT,
2019                    UserHandle.USER_CURRENT);
2020
2021            // Configure wake gesture.
2022            boolean wakeGestureEnabledSetting = Settings.Secure.getIntForUser(resolver,
2023                    Settings.Secure.WAKE_GESTURE_ENABLED, 0,
2024                    UserHandle.USER_CURRENT) != 0;
2025            if (mWakeGestureEnabledSetting != wakeGestureEnabledSetting) {
2026                mWakeGestureEnabledSetting = wakeGestureEnabledSetting;
2027                updateWakeGestureListenerLp();
2028            }
2029
2030            // Configure rotation lock.
2031            int userRotation = Settings.System.getIntForUser(resolver,
2032                    Settings.System.USER_ROTATION, Surface.ROTATION_0,
2033                    UserHandle.USER_CURRENT);
2034            if (mUserRotation != userRotation) {
2035                mUserRotation = userRotation;
2036                updateRotation = true;
2037            }
2038            int userRotationMode = Settings.System.getIntForUser(resolver,
2039                    Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
2040                            WindowManagerPolicy.USER_ROTATION_FREE :
2041                                    WindowManagerPolicy.USER_ROTATION_LOCKED;
2042            if (mUserRotationMode != userRotationMode) {
2043                mUserRotationMode = userRotationMode;
2044                updateRotation = true;
2045                updateOrientationListenerLp();
2046            }
2047
2048            if (mSystemReady) {
2049                int pointerLocation = Settings.System.getIntForUser(resolver,
2050                        Settings.System.POINTER_LOCATION, 0, UserHandle.USER_CURRENT);
2051                if (mPointerLocationMode != pointerLocation) {
2052                    mPointerLocationMode = pointerLocation;
2053                    mHandler.sendEmptyMessage(pointerLocation != 0 ?
2054                            MSG_ENABLE_POINTER_LOCATION : MSG_DISABLE_POINTER_LOCATION);
2055                }
2056            }
2057            // use screen off timeout setting as the timeout for the lockscreen
2058            mLockScreenTimeout = Settings.System.getIntForUser(resolver,
2059                    Settings.System.SCREEN_OFF_TIMEOUT, 0, UserHandle.USER_CURRENT);
2060            String imId = Settings.Secure.getStringForUser(resolver,
2061                    Settings.Secure.DEFAULT_INPUT_METHOD, UserHandle.USER_CURRENT);
2062            boolean hasSoftInput = imId != null && imId.length() > 0;
2063            if (mHasSoftInput != hasSoftInput) {
2064                mHasSoftInput = hasSoftInput;
2065                updateRotation = true;
2066            }
2067            if (mImmersiveModeConfirmation != null) {
2068                mImmersiveModeConfirmation.loadSetting(mCurrentUserId);
2069            }
2070        }
2071        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
2072            PolicyControl.reloadFromSetting(mContext);
2073        }
2074        if (updateRotation) {
2075            updateRotation(true);
2076        }
2077    }
2078
2079    private void updateWakeGestureListenerLp() {
2080        if (shouldEnableWakeGestureLp()) {
2081            mWakeGestureListener.requestWakeUpTrigger();
2082        } else {
2083            mWakeGestureListener.cancelWakeUpTrigger();
2084        }
2085    }
2086
2087    private boolean shouldEnableWakeGestureLp() {
2088        return mWakeGestureEnabledSetting && !mAwake
2089                && (!mLidControlsSleep || mLidState != LID_CLOSED)
2090                && mWakeGestureListener.isSupported();
2091    }
2092
2093    private void enablePointerLocation() {
2094        if (mPointerLocationView == null) {
2095            mPointerLocationView = new PointerLocationView(mContext);
2096            mPointerLocationView.setPrintCoords(false);
2097            WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
2098                    WindowManager.LayoutParams.MATCH_PARENT,
2099                    WindowManager.LayoutParams.MATCH_PARENT);
2100            lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
2101            lp.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN
2102                    | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
2103                    | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
2104                    | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
2105            if (ActivityManager.isHighEndGfx()) {
2106                lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
2107                lp.privateFlags |=
2108                        WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED;
2109            }
2110            lp.format = PixelFormat.TRANSLUCENT;
2111            lp.setTitle("PointerLocation");
2112            WindowManager wm = (WindowManager)
2113                    mContext.getSystemService(Context.WINDOW_SERVICE);
2114            lp.inputFeatures |= WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL;
2115            wm.addView(mPointerLocationView, lp);
2116            mWindowManagerFuncs.registerPointerEventListener(mPointerLocationView);
2117        }
2118    }
2119
2120    private void disablePointerLocation() {
2121        if (mPointerLocationView != null) {
2122            mWindowManagerFuncs.unregisterPointerEventListener(mPointerLocationView);
2123            WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
2124            wm.removeView(mPointerLocationView);
2125            mPointerLocationView = null;
2126        }
2127    }
2128
2129    private int readRotation(int resID) {
2130        try {
2131            int rotation = mContext.getResources().getInteger(resID);
2132            switch (rotation) {
2133                case 0:
2134                    return Surface.ROTATION_0;
2135                case 90:
2136                    return Surface.ROTATION_90;
2137                case 180:
2138                    return Surface.ROTATION_180;
2139                case 270:
2140                    return Surface.ROTATION_270;
2141            }
2142        } catch (Resources.NotFoundException e) {
2143            // fall through
2144        }
2145        return -1;
2146    }
2147
2148    /** {@inheritDoc} */
2149    @Override
2150    public int checkAddPermission(WindowManager.LayoutParams attrs, int[] outAppOp) {
2151        int type = attrs.type;
2152
2153        outAppOp[0] = AppOpsManager.OP_NONE;
2154
2155        if (!((type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW)
2156                || (type >= FIRST_SUB_WINDOW && type <= LAST_SUB_WINDOW)
2157                || (type >= FIRST_SYSTEM_WINDOW && type <= LAST_SYSTEM_WINDOW))) {
2158            return WindowManagerGlobal.ADD_INVALID_TYPE;
2159        }
2160
2161        if (type < FIRST_SYSTEM_WINDOW || type > LAST_SYSTEM_WINDOW) {
2162            // Window manager will make sure these are okay.
2163            return WindowManagerGlobal.ADD_OKAY;
2164        }
2165        String permission = null;
2166        switch (type) {
2167            case TYPE_TOAST:
2168                // XXX right now the app process has complete control over
2169                // this...  should introduce a token to let the system
2170                // monitor/control what they are doing.
2171                outAppOp[0] = AppOpsManager.OP_TOAST_WINDOW;
2172                break;
2173            case TYPE_DREAM:
2174            case TYPE_INPUT_METHOD:
2175            case TYPE_WALLPAPER:
2176            case TYPE_PRIVATE_PRESENTATION:
2177            case TYPE_VOICE_INTERACTION:
2178            case TYPE_ACCESSIBILITY_OVERLAY:
2179            case TYPE_QS_DIALOG:
2180                // The window manager will check these.
2181                break;
2182            case TYPE_PHONE:
2183            case TYPE_PRIORITY_PHONE:
2184            case TYPE_SYSTEM_ALERT:
2185            case TYPE_SYSTEM_ERROR:
2186            case TYPE_SYSTEM_OVERLAY:
2187                permission = android.Manifest.permission.SYSTEM_ALERT_WINDOW;
2188                outAppOp[0] = AppOpsManager.OP_SYSTEM_ALERT_WINDOW;
2189                break;
2190            default:
2191                permission = android.Manifest.permission.INTERNAL_SYSTEM_WINDOW;
2192        }
2193        if (permission != null) {
2194            if (android.Manifest.permission.SYSTEM_ALERT_WINDOW.equals(permission)) {
2195                final int callingUid = Binder.getCallingUid();
2196                // system processes will be automatically allowed privilege to draw
2197                if (callingUid == Process.SYSTEM_UID) {
2198                    return WindowManagerGlobal.ADD_OKAY;
2199                }
2200
2201                // check if user has enabled this operation. SecurityException will be thrown if
2202                // this app has not been allowed by the user
2203                final int mode = mAppOpsManager.checkOpNoThrow(outAppOp[0], callingUid,
2204                        attrs.packageName);
2205                switch (mode) {
2206                    case AppOpsManager.MODE_ALLOWED:
2207                    case AppOpsManager.MODE_IGNORED:
2208                        // although we return ADD_OKAY for MODE_IGNORED, the added window will
2209                        // actually be hidden in WindowManagerService
2210                        return WindowManagerGlobal.ADD_OKAY;
2211                    case AppOpsManager.MODE_ERRORED:
2212                        try {
2213                            ApplicationInfo appInfo = mContext.getPackageManager()
2214                                    .getApplicationInfo(attrs.packageName,
2215                                            UserHandle.getUserId(callingUid));
2216                            // Don't crash legacy apps
2217                            if (appInfo.targetSdkVersion < Build.VERSION_CODES.M) {
2218                                return WindowManagerGlobal.ADD_OKAY;
2219                            }
2220                        } catch (PackageManager.NameNotFoundException e) {
2221                            /* ignore */
2222                        }
2223                        return WindowManagerGlobal.ADD_PERMISSION_DENIED;
2224                    default:
2225                        // in the default mode, we will make a decision here based on
2226                        // checkCallingPermission()
2227                        if (mContext.checkCallingPermission(permission) !=
2228                                PackageManager.PERMISSION_GRANTED) {
2229                            return WindowManagerGlobal.ADD_PERMISSION_DENIED;
2230                        } else {
2231                            return WindowManagerGlobal.ADD_OKAY;
2232                        }
2233                }
2234            }
2235
2236            if (mContext.checkCallingOrSelfPermission(permission)
2237                    != PackageManager.PERMISSION_GRANTED) {
2238                return WindowManagerGlobal.ADD_PERMISSION_DENIED;
2239            }
2240        }
2241        return WindowManagerGlobal.ADD_OKAY;
2242    }
2243
2244    @Override
2245    public boolean checkShowToOwnerOnly(WindowManager.LayoutParams attrs) {
2246
2247        // If this switch statement is modified, modify the comment in the declarations of
2248        // the type in {@link WindowManager.LayoutParams} as well.
2249        switch (attrs.type) {
2250            default:
2251                // These are the windows that by default are shown only to the user that created
2252                // them. If this needs to be overridden, set
2253                // {@link WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS} in
2254                // {@link WindowManager.LayoutParams}. Note that permission
2255                // {@link android.Manifest.permission.INTERNAL_SYSTEM_WINDOW} is required as well.
2256                if ((attrs.privateFlags & PRIVATE_FLAG_SHOW_FOR_ALL_USERS) == 0) {
2257                    return true;
2258                }
2259                break;
2260
2261            // These are the windows that by default are shown to all users. However, to
2262            // protect against spoofing, check permissions below.
2263            case TYPE_APPLICATION_STARTING:
2264            case TYPE_BOOT_PROGRESS:
2265            case TYPE_DISPLAY_OVERLAY:
2266            case TYPE_INPUT_CONSUMER:
2267            case TYPE_KEYGUARD_SCRIM:
2268            case TYPE_KEYGUARD_DIALOG:
2269            case TYPE_MAGNIFICATION_OVERLAY:
2270            case TYPE_NAVIGATION_BAR:
2271            case TYPE_NAVIGATION_BAR_PANEL:
2272            case TYPE_PHONE:
2273            case TYPE_POINTER:
2274            case TYPE_PRIORITY_PHONE:
2275            case TYPE_SEARCH_BAR:
2276            case TYPE_STATUS_BAR:
2277            case TYPE_STATUS_BAR_PANEL:
2278            case TYPE_STATUS_BAR_SUB_PANEL:
2279            case TYPE_SYSTEM_DIALOG:
2280            case TYPE_VOLUME_OVERLAY:
2281            case TYPE_PRIVATE_PRESENTATION:
2282            case TYPE_DOCK_DIVIDER:
2283                break;
2284        }
2285
2286        // Check if third party app has set window to system window type.
2287        return mContext.checkCallingOrSelfPermission(
2288                android.Manifest.permission.INTERNAL_SYSTEM_WINDOW)
2289                        != PackageManager.PERMISSION_GRANTED;
2290    }
2291
2292    @Override
2293    public void adjustWindowParamsLw(WindowManager.LayoutParams attrs) {
2294        switch (attrs.type) {
2295            case TYPE_SYSTEM_OVERLAY:
2296            case TYPE_SECURE_SYSTEM_OVERLAY:
2297                // These types of windows can't receive input events.
2298                attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
2299                        | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
2300                attrs.flags &= ~WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
2301                break;
2302            case TYPE_STATUS_BAR:
2303
2304                // If the Keyguard is in a hidden state (occluded by another window), we force to
2305                // remove the wallpaper and keyguard flag so that any change in-flight after setting
2306                // the keyguard as occluded wouldn't set these flags again.
2307                // See {@link #processKeyguardSetHiddenResultLw}.
2308                if (mKeyguardHidden) {
2309                    attrs.flags &= ~WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
2310                    attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2311                }
2312                break;
2313        }
2314
2315        if (attrs.type != TYPE_STATUS_BAR) {
2316            // The status bar is the only window allowed to exhibit keyguard behavior.
2317            attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2318        }
2319
2320        if (ActivityManager.isHighEndGfx()) {
2321            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0) {
2322                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
2323            }
2324            final boolean forceWindowDrawsStatusBarBackground =
2325                    (attrs.privateFlags & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND)
2326                            != 0;
2327            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0
2328                    || forceWindowDrawsStatusBarBackground
2329                            && attrs.height == MATCH_PARENT && attrs.width == MATCH_PARENT) {
2330                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
2331            }
2332        }
2333    }
2334
2335    void readLidState() {
2336        mLidState = mWindowManagerFuncs.getLidState();
2337    }
2338
2339    private void readCameraLensCoverState() {
2340        mCameraLensCoverState = mWindowManagerFuncs.getCameraLensCoverState();
2341    }
2342
2343    private boolean isHidden(int accessibilityMode) {
2344        switch (accessibilityMode) {
2345            case 1:
2346                return mLidState == LID_CLOSED;
2347            case 2:
2348                return mLidState == LID_OPEN;
2349            default:
2350                return false;
2351        }
2352    }
2353
2354    /** {@inheritDoc} */
2355    @Override
2356    public void adjustConfigurationLw(Configuration config, int keyboardPresence,
2357            int navigationPresence) {
2358        mHaveBuiltInKeyboard = (keyboardPresence & PRESENCE_INTERNAL) != 0;
2359
2360        readConfigurationDependentBehaviors();
2361        readLidState();
2362
2363        if (config.keyboard == Configuration.KEYBOARD_NOKEYS
2364                || (keyboardPresence == PRESENCE_INTERNAL
2365                        && isHidden(mLidKeyboardAccessibility))) {
2366            config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_YES;
2367            if (!mHasSoftInput) {
2368                config.keyboardHidden = Configuration.KEYBOARDHIDDEN_YES;
2369            }
2370        }
2371
2372        if (config.navigation == Configuration.NAVIGATION_NONAV
2373                || (navigationPresence == PRESENCE_INTERNAL
2374                        && isHidden(mLidNavigationAccessibility))) {
2375            config.navigationHidden = Configuration.NAVIGATIONHIDDEN_YES;
2376        }
2377    }
2378
2379    @Override
2380    public void onConfigurationChanged() {
2381        final Resources res = mContext.getResources();
2382
2383        mStatusBarHeight =
2384                res.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
2385
2386        // Height of the navigation bar when presented horizontally at bottom
2387        mNavigationBarHeightForRotationDefault[mPortraitRotation] =
2388        mNavigationBarHeightForRotationDefault[mUpsideDownRotation] =
2389                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_height);
2390        mNavigationBarHeightForRotationDefault[mLandscapeRotation] =
2391        mNavigationBarHeightForRotationDefault[mSeascapeRotation] = res.getDimensionPixelSize(
2392                com.android.internal.R.dimen.navigation_bar_height_landscape);
2393
2394        // Width of the navigation bar when presented vertically along one side
2395        mNavigationBarWidthForRotationDefault[mPortraitRotation] =
2396        mNavigationBarWidthForRotationDefault[mUpsideDownRotation] =
2397        mNavigationBarWidthForRotationDefault[mLandscapeRotation] =
2398        mNavigationBarWidthForRotationDefault[mSeascapeRotation] =
2399                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_width);
2400
2401        // Height of the navigation bar when presented horizontally at bottom
2402        mNavigationBarHeightForRotationInCarMode[mPortraitRotation] =
2403        mNavigationBarHeightForRotationInCarMode[mUpsideDownRotation] =
2404                res.getDimensionPixelSize(
2405                        com.android.internal.R.dimen.navigation_bar_height_car_mode);
2406        mNavigationBarHeightForRotationInCarMode[mLandscapeRotation] =
2407        mNavigationBarHeightForRotationInCarMode[mSeascapeRotation] = res.getDimensionPixelSize(
2408                com.android.internal.R.dimen.navigation_bar_height_landscape_car_mode);
2409
2410        // Width of the navigation bar when presented vertically along one side
2411        mNavigationBarWidthForRotationInCarMode[mPortraitRotation] =
2412        mNavigationBarWidthForRotationInCarMode[mUpsideDownRotation] =
2413        mNavigationBarWidthForRotationInCarMode[mLandscapeRotation] =
2414        mNavigationBarWidthForRotationInCarMode[mSeascapeRotation] =
2415                res.getDimensionPixelSize(
2416                        com.android.internal.R.dimen.navigation_bar_width_car_mode);
2417    }
2418
2419    /** {@inheritDoc} */
2420    @Override
2421    public int windowTypeToLayerLw(int type) {
2422        if (type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW) {
2423            return 2;
2424        }
2425        switch (type) {
2426        case TYPE_PRIVATE_PRESENTATION:
2427            return 2;
2428        case TYPE_WALLPAPER:
2429            // wallpaper is at the bottom, though the window manager may move it.
2430            return 2;
2431        case TYPE_DOCK_DIVIDER:
2432            return 2;
2433        case TYPE_QS_DIALOG:
2434            return 2;
2435        case TYPE_PHONE:
2436            return 3;
2437        case TYPE_SEARCH_BAR:
2438        case TYPE_VOICE_INTERACTION_STARTING:
2439            return 4;
2440        case TYPE_VOICE_INTERACTION:
2441            // voice interaction layer is almost immediately above apps.
2442            return 5;
2443        case TYPE_INPUT_CONSUMER:
2444            return 6;
2445        case TYPE_SYSTEM_DIALOG:
2446            return 7;
2447        case TYPE_TOAST:
2448            // toasts and the plugged-in battery thing
2449            return 8;
2450        case TYPE_PRIORITY_PHONE:
2451            // SIM errors and unlock.  Not sure if this really should be in a high layer.
2452            return 9;
2453        case TYPE_DREAM:
2454            // used for Dreams (screensavers with TYPE_DREAM windows)
2455            return 10;
2456        case TYPE_SYSTEM_ALERT:
2457            // like the ANR / app crashed dialogs
2458            return 11;
2459        case TYPE_INPUT_METHOD:
2460            // on-screen keyboards and other such input method user interfaces go here.
2461            return 12;
2462        case TYPE_INPUT_METHOD_DIALOG:
2463            // on-screen keyboards and other such input method user interfaces go here.
2464            return 13;
2465        case TYPE_KEYGUARD_SCRIM:
2466            // the safety window that shows behind keyguard while keyguard is starting
2467            return 14;
2468        case TYPE_STATUS_BAR_SUB_PANEL:
2469            return 15;
2470        case TYPE_STATUS_BAR:
2471            return 16;
2472        case TYPE_STATUS_BAR_PANEL:
2473            return 17;
2474        case TYPE_KEYGUARD_DIALOG:
2475            return 18;
2476        case TYPE_VOLUME_OVERLAY:
2477            // the on-screen volume indicator and controller shown when the user
2478            // changes the device volume
2479            return 19;
2480        case TYPE_SYSTEM_OVERLAY:
2481            // the on-screen volume indicator and controller shown when the user
2482            // changes the device volume
2483            return 20;
2484        case TYPE_NAVIGATION_BAR:
2485            // the navigation bar, if available, shows atop most things
2486            return 21;
2487        case TYPE_NAVIGATION_BAR_PANEL:
2488            // some panels (e.g. search) need to show on top of the navigation bar
2489            return 22;
2490        case TYPE_SCREENSHOT:
2491            // screenshot selection layer shouldn't go above system error, but it should cover
2492            // navigation bars at the very least.
2493            return 23;
2494        case TYPE_SYSTEM_ERROR:
2495            // system-level error dialogs
2496            return 24;
2497        case TYPE_MAGNIFICATION_OVERLAY:
2498            // used to highlight the magnified portion of a display
2499            return 25;
2500        case TYPE_DISPLAY_OVERLAY:
2501            // used to simulate secondary display devices
2502            return 26;
2503        case TYPE_DRAG:
2504            // the drag layer: input for drag-and-drop is associated with this window,
2505            // which sits above all other focusable windows
2506            return 27;
2507        case TYPE_ACCESSIBILITY_OVERLAY:
2508            // overlay put by accessibility services to intercept user interaction
2509            return 28;
2510        case TYPE_SECURE_SYSTEM_OVERLAY:
2511            return 29;
2512        case TYPE_BOOT_PROGRESS:
2513            return 30;
2514        case TYPE_POINTER:
2515            // the (mouse) pointer layer
2516            return 31;
2517        }
2518        Log.e(TAG, "Unknown window type: " + type);
2519        return 2;
2520    }
2521
2522    /** {@inheritDoc} */
2523    @Override
2524    public int subWindowTypeToLayerLw(int type) {
2525        switch (type) {
2526        case TYPE_APPLICATION_PANEL:
2527        case TYPE_APPLICATION_ATTACHED_DIALOG:
2528            return APPLICATION_PANEL_SUBLAYER;
2529        case TYPE_APPLICATION_MEDIA:
2530            return APPLICATION_MEDIA_SUBLAYER;
2531        case TYPE_APPLICATION_MEDIA_OVERLAY:
2532            return APPLICATION_MEDIA_OVERLAY_SUBLAYER;
2533        case TYPE_APPLICATION_SUB_PANEL:
2534            return APPLICATION_SUB_PANEL_SUBLAYER;
2535        case TYPE_APPLICATION_ABOVE_SUB_PANEL:
2536            return APPLICATION_ABOVE_SUB_PANEL_SUBLAYER;
2537        }
2538        Log.e(TAG, "Unknown sub-window type: " + type);
2539        return 0;
2540    }
2541
2542    @Override
2543    public int getMaxWallpaperLayer() {
2544        return windowTypeToLayerLw(TYPE_STATUS_BAR);
2545    }
2546
2547    private int getNavigationBarWidth(int rotation, int uiMode) {
2548        if ((uiMode & UI_MODE_TYPE_MASK) == UI_MODE_TYPE_CAR) {
2549            return mNavigationBarWidthForRotationInCarMode[rotation];
2550        } else {
2551            return mNavigationBarWidthForRotationDefault[rotation];
2552        }
2553    }
2554
2555    @Override
2556    public int getNonDecorDisplayWidth(int fullWidth, int fullHeight, int rotation,
2557            int uiMode) {
2558        if (mHasNavigationBar) {
2559            // For a basic navigation bar, when we are in landscape mode we place
2560            // the navigation bar to the side.
2561            if (mNavigationBarCanMove && fullWidth > fullHeight) {
2562                return fullWidth - getNavigationBarWidth(rotation, uiMode);
2563            }
2564        }
2565        return fullWidth;
2566    }
2567
2568    private int getNavigationBarHeight(int rotation, int uiMode) {
2569        if ((uiMode & UI_MODE_TYPE_MASK) == UI_MODE_TYPE_CAR) {
2570            return mNavigationBarHeightForRotationInCarMode[rotation];
2571        } else {
2572            return mNavigationBarHeightForRotationDefault[rotation];
2573        }
2574    }
2575
2576    @Override
2577    public int getNonDecorDisplayHeight(int fullWidth, int fullHeight, int rotation,
2578            int uiMode) {
2579        if (mHasNavigationBar) {
2580            // For a basic navigation bar, when we are in portrait mode we place
2581            // the navigation bar to the bottom.
2582            if (!mNavigationBarCanMove || fullWidth < fullHeight) {
2583                return fullHeight - getNavigationBarHeight(rotation, uiMode);
2584            }
2585        }
2586        return fullHeight;
2587    }
2588
2589    @Override
2590    public int getConfigDisplayWidth(int fullWidth, int fullHeight, int rotation, int uiMode) {
2591        return getNonDecorDisplayWidth(fullWidth, fullHeight, rotation, uiMode);
2592    }
2593
2594    @Override
2595    public int getConfigDisplayHeight(int fullWidth, int fullHeight, int rotation, int uiMode) {
2596        // There is a separate status bar at the top of the display.  We don't count that as part
2597        // of the fixed decor, since it can hide; however, for purposes of configurations,
2598        // we do want to exclude it since applications can't generally use that part
2599        // of the screen.
2600        return getNonDecorDisplayHeight(
2601                fullWidth, fullHeight, rotation, uiMode) - mStatusBarHeight;
2602    }
2603
2604    @Override
2605    public boolean isForceHiding(WindowManager.LayoutParams attrs) {
2606        return (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 ||
2607                (isKeyguardHostWindow(attrs) &&
2608                        (mKeyguardDelegate != null && mKeyguardDelegate.isShowing())) ||
2609                (attrs.type == TYPE_KEYGUARD_SCRIM);
2610    }
2611
2612    @Override
2613    public boolean isKeyguardHostWindow(WindowManager.LayoutParams attrs) {
2614        return attrs.type == TYPE_STATUS_BAR;
2615    }
2616
2617    @Override
2618    public boolean canBeForceHidden(WindowState win, WindowManager.LayoutParams attrs) {
2619        switch (attrs.type) {
2620            case TYPE_STATUS_BAR:
2621            case TYPE_NAVIGATION_BAR:
2622            case TYPE_WALLPAPER:
2623            case TYPE_DREAM:
2624            case TYPE_KEYGUARD_SCRIM:
2625                return false;
2626            default:
2627                // Hide only windows below the keyguard host window.
2628                return windowTypeToLayerLw(win.getBaseType())
2629                        < windowTypeToLayerLw(TYPE_STATUS_BAR);
2630        }
2631    }
2632
2633    @Override
2634    public WindowState getWinShowWhenLockedLw() {
2635        return mWinShowWhenLocked;
2636    }
2637
2638    /** {@inheritDoc} */
2639    @Override
2640    public View addStartingWindow(IBinder appToken, String packageName, int theme,
2641            CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes,
2642            int icon, int logo, int windowFlags, Configuration overrideConfig) {
2643        if (!SHOW_STARTING_ANIMATIONS) {
2644            return null;
2645        }
2646        if (packageName == null) {
2647            return null;
2648        }
2649
2650        WindowManager wm = null;
2651        View view = null;
2652
2653        try {
2654            Context context = mContext;
2655            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow " + packageName
2656                    + ": nonLocalizedLabel=" + nonLocalizedLabel + " theme="
2657                    + Integer.toHexString(theme));
2658            if (theme != context.getThemeResId() || labelRes != 0) {
2659                try {
2660                    context = context.createPackageContext(packageName, 0);
2661                    context.setTheme(theme);
2662                } catch (PackageManager.NameNotFoundException e) {
2663                    // Ignore
2664                }
2665            }
2666
2667            if (overrideConfig != null && overrideConfig != EMPTY) {
2668                if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow: creating context based"
2669                        + " on overrideConfig" + overrideConfig + " for starting window");
2670                final Context overrideContext = context.createConfigurationContext(overrideConfig);
2671                overrideContext.setTheme(theme);
2672                final TypedArray typedArray = overrideContext.obtainStyledAttributes(
2673                        com.android.internal.R.styleable.Window);
2674                final int resId = typedArray.getResourceId(R.styleable.Window_windowBackground, 0);
2675                if (resId != 0 && overrideContext.getDrawable(resId) != null) {
2676                    // We want to use the windowBackground for the override context if it is
2677                    // available, otherwise we use the default one to make sure a themed starting
2678                    // window is displayed for the app.
2679                    if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow: apply overrideConfig"
2680                            + overrideConfig + " to starting window resId=" + resId);
2681                    context = overrideContext;
2682                }
2683            }
2684
2685            final PhoneWindow win = new PhoneWindow(context);
2686            win.setIsStartingWindow(true);
2687
2688            CharSequence label = context.getResources().getText(labelRes, null);
2689            // Only change the accessibility title if the label is localized
2690            if (label != null) {
2691                win.setTitle(label, true);
2692            } else {
2693                win.setTitle(nonLocalizedLabel, false);
2694            }
2695
2696            win.setType(
2697                WindowManager.LayoutParams.TYPE_APPLICATION_STARTING);
2698
2699            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
2700                // Assumes it's safe to show starting windows of launched apps while
2701                // the keyguard is being hidden. This is okay because starting windows never show
2702                // secret information.
2703                if (mKeyguardHidden) {
2704                    windowFlags |= FLAG_SHOW_WHEN_LOCKED;
2705                }
2706            }
2707
2708            // Force the window flags: this is a fake window, so it is not really
2709            // touchable or focusable by the user.  We also add in the ALT_FOCUSABLE_IM
2710            // flag because we do know that the next window will take input
2711            // focus, so we want to get the IME window up on top of us right away.
2712            win.setFlags(
2713                windowFlags|
2714                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2715                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2716                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
2717                windowFlags|
2718                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2719                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2720                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
2721
2722            win.setDefaultIcon(icon);
2723            win.setDefaultLogo(logo);
2724
2725            win.setLayout(WindowManager.LayoutParams.MATCH_PARENT,
2726                    WindowManager.LayoutParams.MATCH_PARENT);
2727
2728            final WindowManager.LayoutParams params = win.getAttributes();
2729            params.token = appToken;
2730            params.packageName = packageName;
2731            params.windowAnimations = win.getWindowStyle().getResourceId(
2732                    com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
2733            params.privateFlags |=
2734                    WindowManager.LayoutParams.PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED;
2735            params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
2736
2737            if (!compatInfo.supportsScreen()) {
2738                params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW;
2739            }
2740
2741            params.setTitle("Starting " + packageName);
2742
2743            wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
2744            view = win.getDecorView();
2745
2746            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "Adding starting window for "
2747                + packageName + " / " + appToken + ": " + (view.getParent() != null ? view : null));
2748
2749            wm.addView(view, params);
2750
2751            // Only return the view if it was successfully added to the
2752            // window manager... which we can tell by it having a parent.
2753            return view.getParent() != null ? view : null;
2754        } catch (WindowManager.BadTokenException e) {
2755            // ignore
2756            Log.w(TAG, appToken + " already running, starting window not displayed. " +
2757                    e.getMessage());
2758        } catch (RuntimeException e) {
2759            // don't crash if something else bad happens, for example a
2760            // failure loading resources because we are loading from an app
2761            // on external storage that has been unmounted.
2762            Log.w(TAG, appToken + " failed creating starting window", e);
2763        } finally {
2764            if (view != null && view.getParent() == null) {
2765                Log.w(TAG, "view not successfully added to wm, removing view");
2766                wm.removeViewImmediate(view);
2767            }
2768        }
2769
2770        return null;
2771    }
2772
2773    /** {@inheritDoc} */
2774    @Override
2775    public void removeStartingWindow(IBinder appToken, View window) {
2776        if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Removing starting window for " + appToken + ": "
2777                + window + " Callers=" + Debug.getCallers(4));
2778
2779        if (window != null) {
2780            WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
2781            wm.removeView(window);
2782        }
2783    }
2784
2785    /**
2786     * Preflight adding a window to the system.
2787     *
2788     * Currently enforces that three window types are singletons:
2789     * <ul>
2790     * <li>STATUS_BAR_TYPE</li>
2791     * <li>KEYGUARD_TYPE</li>
2792     * </ul>
2793     *
2794     * @param win The window to be added
2795     * @param attrs Information about the window to be added
2796     *
2797     * @return If ok, WindowManagerImpl.ADD_OKAY.  If too many singletons,
2798     * WindowManagerImpl.ADD_MULTIPLE_SINGLETON
2799     */
2800    @Override
2801    public int prepareAddWindowLw(WindowState win, WindowManager.LayoutParams attrs) {
2802        switch (attrs.type) {
2803            case TYPE_STATUS_BAR:
2804                mContext.enforceCallingOrSelfPermission(
2805                        android.Manifest.permission.STATUS_BAR_SERVICE,
2806                        "PhoneWindowManager");
2807                if (mStatusBar != null) {
2808                    if (mStatusBar.isAlive()) {
2809                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2810                    }
2811                }
2812                mStatusBar = win;
2813                mStatusBarController.setWindow(win);
2814                break;
2815            case TYPE_NAVIGATION_BAR:
2816                mContext.enforceCallingOrSelfPermission(
2817                        android.Manifest.permission.STATUS_BAR_SERVICE,
2818                        "PhoneWindowManager");
2819                if (mNavigationBar != null) {
2820                    if (mNavigationBar.isAlive()) {
2821                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2822                    }
2823                }
2824                mNavigationBar = win;
2825                mNavigationBarController.setWindow(win);
2826                if (DEBUG_LAYOUT) Slog.i(TAG, "NAVIGATION BAR: " + mNavigationBar);
2827                break;
2828            case TYPE_NAVIGATION_BAR_PANEL:
2829            case TYPE_STATUS_BAR_PANEL:
2830            case TYPE_STATUS_BAR_SUB_PANEL:
2831            case TYPE_VOICE_INTERACTION_STARTING:
2832                mContext.enforceCallingOrSelfPermission(
2833                        android.Manifest.permission.STATUS_BAR_SERVICE,
2834                        "PhoneWindowManager");
2835                break;
2836            case TYPE_KEYGUARD_SCRIM:
2837                if (mKeyguardScrim != null) {
2838                    return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2839                }
2840                mKeyguardScrim = win;
2841                break;
2842        }
2843        return WindowManagerGlobal.ADD_OKAY;
2844    }
2845
2846    /** {@inheritDoc} */
2847    @Override
2848    public void removeWindowLw(WindowState win) {
2849        if (mStatusBar == win) {
2850            mStatusBar = null;
2851            mStatusBarController.setWindow(null);
2852            mKeyguardDelegate.showScrim();
2853        } else if (mKeyguardScrim == win) {
2854            Log.v(TAG, "Removing keyguard scrim");
2855            mKeyguardScrim = null;
2856        } if (mNavigationBar == win) {
2857            mNavigationBar = null;
2858            mNavigationBarController.setWindow(null);
2859        }
2860    }
2861
2862    static final boolean PRINT_ANIM = false;
2863
2864    /** {@inheritDoc} */
2865    @Override
2866    public int selectAnimationLw(WindowState win, int transit) {
2867        if (PRINT_ANIM) Log.i(TAG, "selectAnimation in " + win
2868              + ": transit=" + transit);
2869        if (win == mStatusBar) {
2870            boolean isKeyguard = (win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
2871            if (transit == TRANSIT_EXIT
2872                    || transit == TRANSIT_HIDE) {
2873                return isKeyguard ? -1 : R.anim.dock_top_exit;
2874            } else if (transit == TRANSIT_ENTER
2875                    || transit == TRANSIT_SHOW) {
2876                return isKeyguard ? -1 : R.anim.dock_top_enter;
2877            }
2878        } else if (win == mNavigationBar) {
2879            if (win.getAttrs().windowAnimations != 0) {
2880                return 0;
2881            }
2882            // This can be on either the bottom or the right or the left.
2883            if (mNavigationBarPosition == NAV_BAR_BOTTOM) {
2884                if (transit == TRANSIT_EXIT
2885                        || transit == TRANSIT_HIDE) {
2886                    return R.anim.dock_bottom_exit;
2887                } else if (transit == TRANSIT_ENTER
2888                        || transit == TRANSIT_SHOW) {
2889                    return R.anim.dock_bottom_enter;
2890                }
2891            } else if (mNavigationBarPosition == NAV_BAR_RIGHT) {
2892                if (transit == TRANSIT_EXIT
2893                        || transit == TRANSIT_HIDE) {
2894                    return R.anim.dock_right_exit;
2895                } else if (transit == TRANSIT_ENTER
2896                        || transit == TRANSIT_SHOW) {
2897                    return R.anim.dock_right_enter;
2898                }
2899            } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
2900                if (transit == TRANSIT_EXIT
2901                        || transit == TRANSIT_HIDE) {
2902                    return R.anim.dock_left_exit;
2903                } else if (transit == TRANSIT_ENTER
2904                        || transit == TRANSIT_SHOW) {
2905                    return R.anim.dock_left_enter;
2906                }
2907            }
2908        } else if (win.getAttrs().type == TYPE_DOCK_DIVIDER) {
2909            return selectDockedDividerAnimationLw(win, transit);
2910        }
2911
2912        if (transit == TRANSIT_PREVIEW_DONE) {
2913            if (win.hasAppShownWindows()) {
2914                if (PRINT_ANIM) Log.i(TAG, "**** STARTING EXIT");
2915                return com.android.internal.R.anim.app_starting_exit;
2916            }
2917        } else if (win.getAttrs().type == TYPE_DREAM && mDreamingLockscreen
2918                && transit == TRANSIT_ENTER) {
2919            // Special case: we are animating in a dream, while the keyguard
2920            // is shown.  We don't want an animation on the dream, because
2921            // we need it shown immediately with the keyguard animating away
2922            // to reveal it.
2923            return -1;
2924        }
2925
2926        return 0;
2927    }
2928
2929    private int selectDockedDividerAnimationLw(WindowState win, int transit) {
2930        int insets = mWindowManagerFuncs.getDockedDividerInsetsLw();
2931
2932        // If the divider is behind the navigation bar, don't animate.
2933        final Rect frame = win.getFrameLw();
2934        final boolean behindNavBar = mNavigationBar != null
2935                && ((mNavigationBarPosition == NAV_BAR_BOTTOM
2936                        && frame.top + insets >= mNavigationBar.getFrameLw().top)
2937                || (mNavigationBarPosition == NAV_BAR_RIGHT
2938                        && frame.left + insets >= mNavigationBar.getFrameLw().left)
2939                || (mNavigationBarPosition == NAV_BAR_LEFT
2940                        && frame.right - insets <= mNavigationBar.getFrameLw().right));
2941        final boolean landscape = frame.height() > frame.width();
2942        final boolean offscreenLandscape = landscape && (frame.right - insets <= 0
2943                || frame.left + insets >= win.getDisplayFrameLw().right);
2944        final boolean offscreenPortrait = !landscape && (frame.top - insets <= 0
2945                || frame.bottom + insets >= win.getDisplayFrameLw().bottom);
2946        final boolean offscreen = offscreenLandscape || offscreenPortrait;
2947        if (behindNavBar || offscreen) {
2948            return 0;
2949        }
2950        if (transit == TRANSIT_ENTER || transit == TRANSIT_SHOW) {
2951            return R.anim.fade_in;
2952        } else if (transit == TRANSIT_EXIT) {
2953            return R.anim.fade_out;
2954        } else {
2955            return 0;
2956        }
2957    }
2958
2959    @Override
2960    public void selectRotationAnimationLw(int anim[]) {
2961        if (PRINT_ANIM) Slog.i(TAG, "selectRotationAnimation mTopFullscreen="
2962                + mTopFullscreenOpaqueWindowState + " rotationAnimation="
2963                + (mTopFullscreenOpaqueWindowState == null ?
2964                        "0" : mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation));
2965        if (mTopFullscreenOpaqueWindowState != null) {
2966            int animationHint = mTopFullscreenOpaqueWindowState.getRotationAnimationHint();
2967            if (animationHint < 0 && mTopIsFullscreen) {
2968                animationHint = mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation;
2969            }
2970            switch (animationHint) {
2971                case ROTATION_ANIMATION_CROSSFADE:
2972                    anim[0] = R.anim.rotation_animation_xfade_exit;
2973                    anim[1] = R.anim.rotation_animation_enter;
2974                    break;
2975                case ROTATION_ANIMATION_JUMPCUT:
2976                    anim[0] = R.anim.rotation_animation_jump_exit;
2977                    anim[1] = R.anim.rotation_animation_enter;
2978                    break;
2979                case ROTATION_ANIMATION_ROTATE:
2980                default:
2981                    anim[0] = anim[1] = 0;
2982                    break;
2983            }
2984        } else {
2985            anim[0] = anim[1] = 0;
2986        }
2987    }
2988
2989    @Override
2990    public boolean validateRotationAnimationLw(int exitAnimId, int enterAnimId,
2991            boolean forceDefault) {
2992        switch (exitAnimId) {
2993            case R.anim.rotation_animation_xfade_exit:
2994            case R.anim.rotation_animation_jump_exit:
2995                // These are the only cases that matter.
2996                if (forceDefault) {
2997                    return false;
2998                }
2999                int anim[] = new int[2];
3000                selectRotationAnimationLw(anim);
3001                return (exitAnimId == anim[0] && enterAnimId == anim[1]);
3002            default:
3003                return true;
3004        }
3005    }
3006
3007    @Override
3008    public Animation createForceHideEnterAnimation(boolean onWallpaper,
3009            boolean goingToNotificationShade) {
3010        if (goingToNotificationShade) {
3011            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_behind_enter_fade_in);
3012        }
3013
3014        AnimationSet set = (AnimationSet) AnimationUtils.loadAnimation(mContext, onWallpaper ?
3015                    R.anim.lock_screen_behind_enter_wallpaper :
3016                    R.anim.lock_screen_behind_enter);
3017
3018        // TODO: Use XML interpolators when we have log interpolators available in XML.
3019        final List<Animation> animations = set.getAnimations();
3020        for (int i = animations.size() - 1; i >= 0; --i) {
3021            animations.get(i).setInterpolator(mLogDecelerateInterpolator);
3022        }
3023
3024        return set;
3025    }
3026
3027
3028    @Override
3029    public Animation createForceHideWallpaperExitAnimation(boolean goingToNotificationShade) {
3030        if (goingToNotificationShade) {
3031            return null;
3032        } else {
3033            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_wallpaper_exit);
3034        }
3035    }
3036
3037    private static void awakenDreams() {
3038        IDreamManager dreamManager = getDreamManager();
3039        if (dreamManager != null) {
3040            try {
3041                dreamManager.awaken();
3042            } catch (RemoteException e) {
3043                // fine, stay asleep then
3044            }
3045        }
3046    }
3047
3048    static IDreamManager getDreamManager() {
3049        return IDreamManager.Stub.asInterface(
3050                ServiceManager.checkService(DreamService.DREAM_SERVICE));
3051    }
3052
3053    TelecomManager getTelecommService() {
3054        return (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE);
3055    }
3056
3057    static IAudioService getAudioService() {
3058        IAudioService audioService = IAudioService.Stub.asInterface(
3059                ServiceManager.checkService(Context.AUDIO_SERVICE));
3060        if (audioService == null) {
3061            Log.w(TAG, "Unable to find IAudioService interface.");
3062        }
3063        return audioService;
3064    }
3065
3066    boolean keyguardOn() {
3067        return isKeyguardShowingAndNotOccluded() || inKeyguardRestrictedKeyInputMode();
3068    }
3069
3070    private static final int[] WINDOW_TYPES_WHERE_HOME_DOESNT_WORK = {
3071            WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
3072            WindowManager.LayoutParams.TYPE_SYSTEM_ERROR,
3073        };
3074
3075    /** {@inheritDoc} */
3076    @Override
3077    public long interceptKeyBeforeDispatching(WindowState win, KeyEvent event, int policyFlags) {
3078        final boolean keyguardOn = keyguardOn();
3079        final int keyCode = event.getKeyCode();
3080        final int repeatCount = event.getRepeatCount();
3081        final int metaState = event.getMetaState();
3082        final int flags = event.getFlags();
3083        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
3084        final boolean canceled = event.isCanceled();
3085
3086        if (DEBUG_INPUT) {
3087            Log.d(TAG, "interceptKeyTi keyCode=" + keyCode + " down=" + down + " repeatCount="
3088                    + repeatCount + " keyguardOn=" + keyguardOn + " mHomePressed=" + mHomePressed
3089                    + " canceled=" + canceled);
3090        }
3091
3092        // If we think we might have a volume down & power key chord on the way
3093        // but we're not sure, then tell the dispatcher to wait a little while and
3094        // try again later before dispatching.
3095        if (mScreenshotChordEnabled && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
3096            if (mScreenshotChordVolumeDownKeyTriggered && !mScreenshotChordPowerKeyTriggered) {
3097                final long now = SystemClock.uptimeMillis();
3098                final long timeoutTime = mScreenshotChordVolumeDownKeyTime
3099                        + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
3100                if (now < timeoutTime) {
3101                    return timeoutTime - now;
3102                }
3103            }
3104            if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
3105                    && mScreenshotChordVolumeDownKeyConsumed) {
3106                if (!down) {
3107                    mScreenshotChordVolumeDownKeyConsumed = false;
3108                }
3109                return -1;
3110            }
3111        }
3112
3113        // Cancel any pending meta actions if we see any other keys being pressed between the down
3114        // of the meta key and its corresponding up.
3115        if (mPendingMetaAction && !KeyEvent.isMetaKey(keyCode)) {
3116            mPendingMetaAction = false;
3117        }
3118        // Any key that is not Alt or Meta cancels Caps Lock combo tracking.
3119        if (mPendingCapsLockToggle && !KeyEvent.isMetaKey(keyCode) && !KeyEvent.isAltKey(keyCode)) {
3120            mPendingCapsLockToggle = false;
3121        }
3122
3123        // First we always handle the home key here, so applications
3124        // can never break it, although if keyguard is on, we do let
3125        // it handle it, because that gives us the correct 5 second
3126        // timeout.
3127        if (keyCode == KeyEvent.KEYCODE_HOME) {
3128
3129            // If we have released the home key, and didn't do anything else
3130            // while it was pressed, then it is time to go home!
3131            if (!down) {
3132                cancelPreloadRecentApps();
3133
3134                mHomePressed = false;
3135                if (mHomeConsumed) {
3136                    mHomeConsumed = false;
3137                    return -1;
3138                }
3139
3140                if (canceled) {
3141                    Log.i(TAG, "Ignoring HOME; event canceled.");
3142                    return -1;
3143                }
3144
3145                // Delay handling home if a double-tap is possible.
3146                if (mDoubleTapOnHomeBehavior != DOUBLE_TAP_HOME_NOTHING) {
3147                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable); // just in case
3148                    mHomeDoubleTapPending = true;
3149                    mHandler.postDelayed(mHomeDoubleTapTimeoutRunnable,
3150                            ViewConfiguration.getDoubleTapTimeout());
3151                    return -1;
3152                }
3153
3154                handleShortPressOnHome();
3155                return -1;
3156            }
3157
3158            // If a system window has focus, then it doesn't make sense
3159            // right now to interact with applications.
3160            WindowManager.LayoutParams attrs = win != null ? win.getAttrs() : null;
3161            if (attrs != null) {
3162                final int type = attrs.type;
3163                if (type == WindowManager.LayoutParams.TYPE_KEYGUARD_SCRIM
3164                        || type == WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG
3165                        || (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
3166                    // the "app" is keyguard, so give it the key
3167                    return 0;
3168                }
3169                final int typeCount = WINDOW_TYPES_WHERE_HOME_DOESNT_WORK.length;
3170                for (int i=0; i<typeCount; i++) {
3171                    if (type == WINDOW_TYPES_WHERE_HOME_DOESNT_WORK[i]) {
3172                        // don't do anything, but also don't pass it to the app
3173                        return -1;
3174                    }
3175                }
3176            }
3177
3178            // Remember that home is pressed and handle special actions.
3179            if (repeatCount == 0) {
3180                mHomePressed = true;
3181                if (mHomeDoubleTapPending) {
3182                    mHomeDoubleTapPending = false;
3183                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable);
3184                    handleDoubleTapOnHome();
3185                } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI
3186                        || mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
3187                    preloadRecentApps();
3188                }
3189            } else if ((event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) {
3190                if (!keyguardOn) {
3191                    handleLongPressOnHome(event.getDeviceId());
3192                }
3193            }
3194            return -1;
3195        } else if (keyCode == KeyEvent.KEYCODE_MENU) {
3196            // Hijack modified menu keys for debugging features
3197            final int chordBug = KeyEvent.META_SHIFT_ON;
3198
3199            if (down && repeatCount == 0) {
3200                if (mEnableShiftMenuBugReports && (metaState & chordBug) == chordBug) {
3201                    Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
3202                    mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT,
3203                            null, null, null, 0, null, null);
3204                    return -1;
3205                } else if (SHOW_PROCESSES_ON_ALT_MENU &&
3206                        (metaState & KeyEvent.META_ALT_ON) == KeyEvent.META_ALT_ON) {
3207                    Intent service = new Intent();
3208                    service.setClassName(mContext, "com.android.server.LoadAverageService");
3209                    ContentResolver res = mContext.getContentResolver();
3210                    boolean shown = Settings.Global.getInt(
3211                            res, Settings.Global.SHOW_PROCESSES, 0) != 0;
3212                    if (!shown) {
3213                        mContext.startService(service);
3214                    } else {
3215                        mContext.stopService(service);
3216                    }
3217                    Settings.Global.putInt(
3218                            res, Settings.Global.SHOW_PROCESSES, shown ? 0 : 1);
3219                    return -1;
3220                }
3221            }
3222        } else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
3223            if (down) {
3224                if (repeatCount == 0) {
3225                    mSearchKeyShortcutPending = true;
3226                    mConsumeSearchKeyUp = false;
3227                }
3228            } else {
3229                mSearchKeyShortcutPending = false;
3230                if (mConsumeSearchKeyUp) {
3231                    mConsumeSearchKeyUp = false;
3232                    return -1;
3233                }
3234            }
3235            return 0;
3236        } else if (keyCode == KeyEvent.KEYCODE_APP_SWITCH) {
3237            if (!keyguardOn) {
3238                if (down && repeatCount == 0) {
3239                    preloadRecentApps();
3240                } else if (!down) {
3241                    toggleRecentApps();
3242                }
3243            }
3244            return -1;
3245        } else if (keyCode == KeyEvent.KEYCODE_N && event.isMetaPressed()) {
3246            if (down) {
3247                IStatusBarService service = getStatusBarService();
3248                if (service != null) {
3249                    try {
3250                        service.expandNotificationsPanel();
3251                    } catch (RemoteException e) {
3252                        // do nothing.
3253                    }
3254                }
3255            }
3256        } else if (keyCode == KeyEvent.KEYCODE_S && event.isMetaPressed()
3257                && event.isCtrlPressed()) {
3258            if (down && repeatCount == 0) {
3259                int type = event.isShiftPressed() ? TAKE_SCREENSHOT_SELECTED_REGION
3260                        : TAKE_SCREENSHOT_FULLSCREEN;
3261                mScreenshotRunnable.setScreenshotType(type);
3262                mHandler.post(mScreenshotRunnable);
3263                return -1;
3264            }
3265        } else if (keyCode == KeyEvent.KEYCODE_SLASH && event.isMetaPressed()) {
3266            if (down && repeatCount == 0 && !isKeyguardLocked()) {
3267                toggleKeyboardShortcutsMenu(event.getDeviceId());
3268            }
3269        } else if (keyCode == KeyEvent.KEYCODE_ASSIST) {
3270            if (down) {
3271                if (repeatCount == 0) {
3272                    mAssistKeyLongPressed = false;
3273                } else if (repeatCount == 1) {
3274                    mAssistKeyLongPressed = true;
3275                    if (!keyguardOn) {
3276                         launchAssistLongPressAction();
3277                    }
3278                }
3279            } else {
3280                if (mAssistKeyLongPressed) {
3281                    mAssistKeyLongPressed = false;
3282                } else {
3283                    if (!keyguardOn) {
3284                        launchAssistAction(null, event.getDeviceId());
3285                    }
3286                }
3287            }
3288            return -1;
3289        } else if (keyCode == KeyEvent.KEYCODE_VOICE_ASSIST) {
3290            if (!down) {
3291                Intent voiceIntent;
3292                if (!keyguardOn) {
3293                    voiceIntent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
3294                } else {
3295                    IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
3296                            ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
3297                    if (dic != null) {
3298                        try {
3299                            dic.exitIdle("voice-search");
3300                        } catch (RemoteException e) {
3301                        }
3302                    }
3303                    voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
3304                    voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, true);
3305                }
3306                startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
3307            }
3308        } else if (keyCode == KeyEvent.KEYCODE_SYSRQ) {
3309            if (down && repeatCount == 0) {
3310                mScreenshotRunnable.setScreenshotType(TAKE_SCREENSHOT_FULLSCREEN);
3311                mHandler.post(mScreenshotRunnable);
3312            }
3313            return -1;
3314        } else if (keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP
3315                || keyCode == KeyEvent.KEYCODE_BRIGHTNESS_DOWN) {
3316            if (down) {
3317                int direction = keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP ? 1 : -1;
3318
3319                // Disable autobrightness if it's on
3320                int auto = Settings.System.getIntForUser(
3321                        mContext.getContentResolver(),
3322                        Settings.System.SCREEN_BRIGHTNESS_MODE,
3323                        Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
3324                        UserHandle.USER_CURRENT_OR_SELF);
3325                if (auto != 0) {
3326                    Settings.System.putIntForUser(mContext.getContentResolver(),
3327                            Settings.System.SCREEN_BRIGHTNESS_MODE,
3328                            Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
3329                            UserHandle.USER_CURRENT_OR_SELF);
3330                }
3331
3332                int min = mPowerManager.getMinimumScreenBrightnessSetting();
3333                int max = mPowerManager.getMaximumScreenBrightnessSetting();
3334                int step = (max - min + BRIGHTNESS_STEPS - 1) / BRIGHTNESS_STEPS * direction;
3335                int brightness = Settings.System.getIntForUser(mContext.getContentResolver(),
3336                        Settings.System.SCREEN_BRIGHTNESS,
3337                        mPowerManager.getDefaultScreenBrightnessSetting(),
3338                        UserHandle.USER_CURRENT_OR_SELF);
3339                brightness += step;
3340                // Make sure we don't go beyond the limits.
3341                brightness = Math.min(max, brightness);
3342                brightness = Math.max(min, brightness);
3343
3344                Settings.System.putIntForUser(mContext.getContentResolver(),
3345                        Settings.System.SCREEN_BRIGHTNESS, brightness,
3346                        UserHandle.USER_CURRENT_OR_SELF);
3347                startActivityAsUser(new Intent(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG),
3348                        UserHandle.CURRENT_OR_SELF);
3349            }
3350            return -1;
3351        } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP
3352                || keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
3353                || keyCode == KeyEvent.KEYCODE_VOLUME_MUTE) {
3354            if (mUseTvRouting) {
3355                // On TVs volume keys never go to the foreground app.
3356                dispatchDirectAudioEvent(event);
3357                return -1;
3358            }
3359        }
3360
3361        // Toggle Caps Lock on META-ALT.
3362        boolean actionTriggered = false;
3363        if (KeyEvent.isModifierKey(keyCode)) {
3364            if (!mPendingCapsLockToggle) {
3365                // Start tracking meta state for combo.
3366                mInitialMetaState = mMetaState;
3367                mPendingCapsLockToggle = true;
3368            } else if (event.getAction() == KeyEvent.ACTION_UP) {
3369                int altOnMask = mMetaState & KeyEvent.META_ALT_MASK;
3370                int metaOnMask = mMetaState & KeyEvent.META_META_MASK;
3371
3372                // Check for Caps Lock toggle
3373                if ((metaOnMask != 0) && (altOnMask != 0)) {
3374                    // Check if nothing else is pressed
3375                    if (mInitialMetaState == (mMetaState ^ (altOnMask | metaOnMask))) {
3376                        // Handle Caps Lock Toggle
3377                        mInputManagerInternal.toggleCapsLock(event.getDeviceId());
3378                        actionTriggered = true;
3379                    }
3380                }
3381
3382                // Always stop tracking when key goes up.
3383                mPendingCapsLockToggle = false;
3384            }
3385        }
3386        // Store current meta state to be able to evaluate it later.
3387        mMetaState = metaState;
3388
3389        if (actionTriggered) {
3390            return -1;
3391        }
3392
3393        if (KeyEvent.isMetaKey(keyCode)) {
3394            if (down) {
3395                mPendingMetaAction = true;
3396            } else if (mPendingMetaAction) {
3397                launchAssistAction(Intent.EXTRA_ASSIST_INPUT_HINT_KEYBOARD, event.getDeviceId());
3398            }
3399            return -1;
3400        }
3401
3402        // Shortcuts are invoked through Search+key, so intercept those here
3403        // Any printing key that is chorded with Search should be consumed
3404        // even if no shortcut was invoked.  This prevents text from being
3405        // inadvertently inserted when using a keyboard that has built-in macro
3406        // shortcut keys (that emit Search+x) and some of them are not registered.
3407        if (mSearchKeyShortcutPending) {
3408            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3409            if (kcm.isPrintingKey(keyCode)) {
3410                mConsumeSearchKeyUp = true;
3411                mSearchKeyShortcutPending = false;
3412                if (down && repeatCount == 0 && !keyguardOn) {
3413                    Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState);
3414                    if (shortcutIntent != null) {
3415                        shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3416                        try {
3417                            startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3418                            dismissKeyboardShortcutsMenu();
3419                        } catch (ActivityNotFoundException ex) {
3420                            Slog.w(TAG, "Dropping shortcut key combination because "
3421                                    + "the activity to which it is registered was not found: "
3422                                    + "SEARCH+" + KeyEvent.keyCodeToString(keyCode), ex);
3423                        }
3424                    } else {
3425                        Slog.i(TAG, "Dropping unregistered shortcut key combination: "
3426                                + "SEARCH+" + KeyEvent.keyCodeToString(keyCode));
3427                    }
3428                }
3429                return -1;
3430            }
3431        }
3432
3433        // Invoke shortcuts using Meta.
3434        if (down && repeatCount == 0 && !keyguardOn
3435                && (metaState & KeyEvent.META_META_ON) != 0) {
3436            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3437            if (kcm.isPrintingKey(keyCode)) {
3438                Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode,
3439                        metaState & ~(KeyEvent.META_META_ON
3440                                | KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_RIGHT_ON));
3441                if (shortcutIntent != null) {
3442                    shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3443                    try {
3444                        startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3445                        dismissKeyboardShortcutsMenu();
3446                    } catch (ActivityNotFoundException ex) {
3447                        Slog.w(TAG, "Dropping shortcut key combination because "
3448                                + "the activity to which it is registered was not found: "
3449                                + "META+" + KeyEvent.keyCodeToString(keyCode), ex);
3450                    }
3451                    return -1;
3452                }
3453            }
3454        }
3455
3456        // Handle application launch keys.
3457        if (down && repeatCount == 0 && !keyguardOn) {
3458            String category = sApplicationLaunchKeyCategories.get(keyCode);
3459            if (category != null) {
3460                Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, category);
3461                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3462                try {
3463                    startActivityAsUser(intent, UserHandle.CURRENT);
3464                    dismissKeyboardShortcutsMenu();
3465                } catch (ActivityNotFoundException ex) {
3466                    Slog.w(TAG, "Dropping application launch key because "
3467                            + "the activity to which it is registered was not found: "
3468                            + "keyCode=" + keyCode + ", category=" + category, ex);
3469                }
3470                return -1;
3471            }
3472        }
3473
3474        // Display task switcher for ALT-TAB.
3475        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_TAB) {
3476            if (mRecentAppsHeldModifiers == 0 && !keyguardOn && isUserSetupComplete()) {
3477                final int shiftlessModifiers = event.getModifiers() & ~KeyEvent.META_SHIFT_MASK;
3478                if (KeyEvent.metaStateHasModifiers(shiftlessModifiers, KeyEvent.META_ALT_ON)) {
3479                    mRecentAppsHeldModifiers = shiftlessModifiers;
3480                    showRecentApps(true, false);
3481                    return -1;
3482                }
3483            }
3484        } else if (!down && mRecentAppsHeldModifiers != 0
3485                && (metaState & mRecentAppsHeldModifiers) == 0) {
3486            mRecentAppsHeldModifiers = 0;
3487            hideRecentApps(true, false);
3488        }
3489
3490        // Handle input method switching.
3491        if (down && repeatCount == 0
3492                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3493                        || (keyCode == KeyEvent.KEYCODE_SPACE
3494                                && (metaState & KeyEvent.META_META_MASK) != 0))) {
3495            final boolean forwardDirection = (metaState & KeyEvent.META_SHIFT_MASK) == 0;
3496            mWindowManagerFuncs.switchInputMethod(forwardDirection);
3497            return -1;
3498        }
3499        if (mLanguageSwitchKeyPressed && !down
3500                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3501                        || keyCode == KeyEvent.KEYCODE_SPACE)) {
3502            mLanguageSwitchKeyPressed = false;
3503            return -1;
3504        }
3505
3506        if (isValidGlobalKey(keyCode)
3507                && mGlobalKeyManager.handleGlobalKey(mContext, keyCode, event)) {
3508            return -1;
3509        }
3510
3511        if (down) {
3512            long shortcutCode = keyCode;
3513            if (event.isCtrlPressed()) {
3514                shortcutCode |= ((long) KeyEvent.META_CTRL_ON) << Integer.SIZE;
3515            }
3516
3517            if (event.isAltPressed()) {
3518                shortcutCode |= ((long) KeyEvent.META_ALT_ON) << Integer.SIZE;
3519            }
3520
3521            if (event.isShiftPressed()) {
3522                shortcutCode |= ((long) KeyEvent.META_SHIFT_ON) << Integer.SIZE;
3523            }
3524
3525            if (event.isMetaPressed()) {
3526                shortcutCode |= ((long) KeyEvent.META_META_ON) << Integer.SIZE;
3527            }
3528
3529            IShortcutService shortcutService = mShortcutKeyServices.get(shortcutCode);
3530            if (shortcutService != null) {
3531                try {
3532                    if (isUserSetupComplete()) {
3533                        shortcutService.notifyShortcutKeyPressed(shortcutCode);
3534                    }
3535                } catch (RemoteException e) {
3536                    mShortcutKeyServices.delete(shortcutCode);
3537                }
3538                return -1;
3539            }
3540        }
3541
3542        // Reserve all the META modifier combos for system behavior
3543        if ((metaState & KeyEvent.META_META_ON) != 0) {
3544            return -1;
3545        }
3546
3547        // Let the application handle the key.
3548        return 0;
3549    }
3550
3551    /** {@inheritDoc} */
3552    @Override
3553    public KeyEvent dispatchUnhandledKey(WindowState win, KeyEvent event, int policyFlags) {
3554        // Note: This method is only called if the initial down was unhandled.
3555        if (DEBUG_INPUT) {
3556            Slog.d(TAG, "Unhandled key: win=" + win + ", action=" + event.getAction()
3557                    + ", flags=" + event.getFlags()
3558                    + ", keyCode=" + event.getKeyCode()
3559                    + ", scanCode=" + event.getScanCode()
3560                    + ", metaState=" + event.getMetaState()
3561                    + ", repeatCount=" + event.getRepeatCount()
3562                    + ", policyFlags=" + policyFlags);
3563        }
3564
3565        KeyEvent fallbackEvent = null;
3566        if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
3567            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3568            final int keyCode = event.getKeyCode();
3569            final int metaState = event.getMetaState();
3570            final boolean initialDown = event.getAction() == KeyEvent.ACTION_DOWN
3571                    && event.getRepeatCount() == 0;
3572
3573            // Check for fallback actions specified by the key character map.
3574            final FallbackAction fallbackAction;
3575            if (initialDown) {
3576                fallbackAction = kcm.getFallbackAction(keyCode, metaState);
3577            } else {
3578                fallbackAction = mFallbackActions.get(keyCode);
3579            }
3580
3581            if (fallbackAction != null) {
3582                if (DEBUG_INPUT) {
3583                    Slog.d(TAG, "Fallback: keyCode=" + fallbackAction.keyCode
3584                            + " metaState=" + Integer.toHexString(fallbackAction.metaState));
3585                }
3586
3587                final int flags = event.getFlags() | KeyEvent.FLAG_FALLBACK;
3588                fallbackEvent = KeyEvent.obtain(
3589                        event.getDownTime(), event.getEventTime(),
3590                        event.getAction(), fallbackAction.keyCode,
3591                        event.getRepeatCount(), fallbackAction.metaState,
3592                        event.getDeviceId(), event.getScanCode(),
3593                        flags, event.getSource(), null);
3594
3595                if (!interceptFallback(win, fallbackEvent, policyFlags)) {
3596                    fallbackEvent.recycle();
3597                    fallbackEvent = null;
3598                }
3599
3600                if (initialDown) {
3601                    mFallbackActions.put(keyCode, fallbackAction);
3602                } else if (event.getAction() == KeyEvent.ACTION_UP) {
3603                    mFallbackActions.remove(keyCode);
3604                    fallbackAction.recycle();
3605                }
3606            }
3607        }
3608
3609        if (DEBUG_INPUT) {
3610            if (fallbackEvent == null) {
3611                Slog.d(TAG, "No fallback.");
3612            } else {
3613                Slog.d(TAG, "Performing fallback: " + fallbackEvent);
3614            }
3615        }
3616        return fallbackEvent;
3617    }
3618
3619    private boolean interceptFallback(WindowState win, KeyEvent fallbackEvent, int policyFlags) {
3620        int actions = interceptKeyBeforeQueueing(fallbackEvent, policyFlags);
3621        if ((actions & ACTION_PASS_TO_USER) != 0) {
3622            long delayMillis = interceptKeyBeforeDispatching(
3623                    win, fallbackEvent, policyFlags);
3624            if (delayMillis == 0) {
3625                return true;
3626            }
3627        }
3628        return false;
3629    }
3630
3631    @Override
3632    public void registerShortcutKey(long shortcutCode, IShortcutService shortcutService)
3633            throws RemoteException {
3634        synchronized (mLock) {
3635            IShortcutService service = mShortcutKeyServices.get(shortcutCode);
3636            if (service != null && service.asBinder().pingBinder()) {
3637                throw new RemoteException("Key already exists.");
3638            }
3639
3640            mShortcutKeyServices.put(shortcutCode, shortcutService);
3641        }
3642    }
3643
3644    private void launchAssistLongPressAction() {
3645        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
3646        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3647
3648        // launch the search activity
3649        Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
3650        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3651        try {
3652            // TODO: This only stops the factory-installed search manager.
3653            // Need to formalize an API to handle others
3654            SearchManager searchManager = getSearchManager();
3655            if (searchManager != null) {
3656                searchManager.stopSearch();
3657            }
3658            startActivityAsUser(intent, UserHandle.CURRENT);
3659        } catch (ActivityNotFoundException e) {
3660            Slog.w(TAG, "No activity to handle assist long press action.", e);
3661        }
3662    }
3663
3664    private void launchAssistAction(String hint, int deviceId) {
3665        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3666        if (!isUserSetupComplete()) {
3667            // Disable opening assist window during setup
3668            return;
3669        }
3670        Bundle args = null;
3671        if (deviceId > Integer.MIN_VALUE) {
3672            args = new Bundle();
3673            args.putInt(Intent.EXTRA_ASSIST_INPUT_DEVICE_ID, deviceId);
3674        }
3675        if ((mContext.getResources().getConfiguration().uiMode
3676                & Configuration.UI_MODE_TYPE_MASK) == Configuration.UI_MODE_TYPE_TELEVISION) {
3677            // On TV, use legacy handling until assistants are implemented in the proper way.
3678            ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
3679                    .launchLegacyAssist(hint, UserHandle.myUserId(), args);
3680        } else {
3681            if (hint != null) {
3682                if (args == null) {
3683                    args = new Bundle();
3684                }
3685                args.putBoolean(hint, true);
3686            }
3687            StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3688            if (statusbar != null) {
3689                statusbar.startAssist(args);
3690            }
3691        }
3692    }
3693
3694    private void startActivityAsUser(Intent intent, UserHandle handle) {
3695        if (isUserSetupComplete()) {
3696            mContext.startActivityAsUser(intent, handle);
3697        } else {
3698            Slog.i(TAG, "Not starting activity because user setup is in progress: " + intent);
3699        }
3700    }
3701
3702    private SearchManager getSearchManager() {
3703        if (mSearchManager == null) {
3704            mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
3705        }
3706        return mSearchManager;
3707    }
3708
3709    private void preloadRecentApps() {
3710        mPreloadedRecentApps = true;
3711        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3712        if (statusbar != null) {
3713            statusbar.preloadRecentApps();
3714        }
3715    }
3716
3717    private void cancelPreloadRecentApps() {
3718        if (mPreloadedRecentApps) {
3719            mPreloadedRecentApps = false;
3720            StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3721            if (statusbar != null) {
3722                statusbar.cancelPreloadRecentApps();
3723            }
3724        }
3725    }
3726
3727    private void toggleRecentApps() {
3728        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3729        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3730        if (statusbar != null) {
3731            statusbar.toggleRecentApps();
3732        }
3733    }
3734
3735    @Override
3736    public void showRecentApps(boolean fromHome) {
3737        mHandler.removeMessages(MSG_DISPATCH_SHOW_RECENTS);
3738        mHandler.obtainMessage(MSG_DISPATCH_SHOW_RECENTS, fromHome ? 1 : 0, 0).sendToTarget();
3739    }
3740
3741    private void showRecentApps(boolean triggeredFromAltTab, boolean fromHome) {
3742        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3743        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3744        if (statusbar != null) {
3745            statusbar.showRecentApps(triggeredFromAltTab, fromHome);
3746        }
3747    }
3748
3749    private void toggleKeyboardShortcutsMenu(int deviceId) {
3750        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3751        if (statusbar != null) {
3752            statusbar.toggleKeyboardShortcutsMenu(deviceId);
3753        }
3754    }
3755
3756    private void dismissKeyboardShortcutsMenu() {
3757        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3758        if (statusbar != null) {
3759            statusbar.dismissKeyboardShortcutsMenu();
3760        }
3761    }
3762
3763    private void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHome) {
3764        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3765        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3766        if (statusbar != null) {
3767            statusbar.hideRecentApps(triggeredFromAltTab, triggeredFromHome);
3768        }
3769    }
3770
3771    void launchHomeFromHotKey() {
3772        launchHomeFromHotKey(true /* awakenFromDreams */, true /*respectKeyguard*/);
3773    }
3774
3775    /**
3776     * A home key -> launch home action was detected.  Take the appropriate action
3777     * given the situation with the keyguard.
3778     */
3779    void launchHomeFromHotKey(final boolean awakenFromDreams, final boolean respectKeyguard) {
3780        if (respectKeyguard) {
3781            if (isKeyguardShowingAndNotOccluded()) {
3782                // don't launch home if keyguard showing
3783                return;
3784            }
3785
3786            if (!mHideLockScreen && mKeyguardDelegate.isInputRestricted()) {
3787                // when in keyguard restricted mode, must first verify unlock
3788                // before launching home
3789                mKeyguardDelegate.verifyUnlock(new OnKeyguardExitResult() {
3790                    @Override
3791                    public void onKeyguardExitResult(boolean success) {
3792                        if (success) {
3793                            try {
3794                                ActivityManagerNative.getDefault().stopAppSwitches();
3795                            } catch (RemoteException e) {
3796                            }
3797                            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3798                            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3799                        }
3800                    }
3801                });
3802                return;
3803            }
3804        }
3805
3806        // no keyguard stuff to worry about, just launch home!
3807        try {
3808            ActivityManagerNative.getDefault().stopAppSwitches();
3809        } catch (RemoteException e) {
3810        }
3811        if (mRecentsVisible) {
3812            // Hide Recents and notify it to launch Home
3813            if (awakenFromDreams) {
3814                awakenDreams();
3815            }
3816            hideRecentApps(false, true);
3817        } else {
3818            // Otherwise, just launch Home
3819            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3820            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3821        }
3822    }
3823
3824    private final Runnable mClearHideNavigationFlag = new Runnable() {
3825        @Override
3826        public void run() {
3827            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3828                // Clear flags.
3829                mForceClearedSystemUiFlags &=
3830                        ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3831            }
3832            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3833        }
3834    };
3835
3836    /**
3837     * Input handler used while nav bar is hidden.  Captures any touch on the screen,
3838     * to determine when the nav bar should be shown and prevent applications from
3839     * receiving those touches.
3840     */
3841    final class HideNavInputEventReceiver extends InputEventReceiver {
3842        public HideNavInputEventReceiver(InputChannel inputChannel, Looper looper) {
3843            super(inputChannel, looper);
3844        }
3845
3846        @Override
3847        public void onInputEvent(InputEvent event) {
3848            boolean handled = false;
3849            try {
3850                if (event instanceof MotionEvent
3851                        && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
3852                    final MotionEvent motionEvent = (MotionEvent)event;
3853                    if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
3854                        // When the user taps down, we re-show the nav bar.
3855                        boolean changed = false;
3856                        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3857                            if (mInputConsumer == null) {
3858                                return;
3859                            }
3860                            // Any user activity always causes us to show the
3861                            // navigation controls, if they had been hidden.
3862                            // We also clear the low profile and only content
3863                            // flags so that tapping on the screen will atomically
3864                            // restore all currently hidden screen decorations.
3865                            int newVal = mResettingSystemUiFlags |
3866                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
3867                                    View.SYSTEM_UI_FLAG_LOW_PROFILE |
3868                                    View.SYSTEM_UI_FLAG_FULLSCREEN;
3869                            if (mResettingSystemUiFlags != newVal) {
3870                                mResettingSystemUiFlags = newVal;
3871                                changed = true;
3872                            }
3873                            // We don't allow the system's nav bar to be hidden
3874                            // again for 1 second, to prevent applications from
3875                            // spamming us and keeping it from being shown.
3876                            newVal = mForceClearedSystemUiFlags |
3877                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3878                            if (mForceClearedSystemUiFlags != newVal) {
3879                                mForceClearedSystemUiFlags = newVal;
3880                                changed = true;
3881                                mHandler.postDelayed(mClearHideNavigationFlag, 1000);
3882                            }
3883                        }
3884                        if (changed) {
3885                            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3886                        }
3887                    }
3888                }
3889            } finally {
3890                finishInputEvent(event, handled);
3891            }
3892        }
3893    }
3894    final InputEventReceiver.Factory mHideNavInputEventReceiverFactory =
3895            new InputEventReceiver.Factory() {
3896        @Override
3897        public InputEventReceiver createInputEventReceiver(
3898                InputChannel inputChannel, Looper looper) {
3899            return new HideNavInputEventReceiver(inputChannel, looper);
3900        }
3901    };
3902
3903    @Override
3904    public int adjustSystemUiVisibilityLw(int visibility) {
3905        mStatusBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3906        mNavigationBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3907        mRecentsVisible = (visibility & View.RECENT_APPS_VISIBLE) > 0;
3908        mTvPictureInPictureVisible = (visibility & View.TV_PICTURE_IN_PICTURE_VISIBLE) > 0;
3909
3910        // Reset any bits in mForceClearingStatusBarVisibility that
3911        // are now clear.
3912        mResettingSystemUiFlags &= visibility;
3913        // Clear any bits in the new visibility that are currently being
3914        // force cleared, before reporting it.
3915        return visibility & ~mResettingSystemUiFlags
3916                & ~mForceClearedSystemUiFlags;
3917    }
3918
3919    @Override
3920    public boolean getInsetHintLw(WindowManager.LayoutParams attrs, Rect taskBounds,
3921            int displayRotation, int displayWidth, int displayHeight, Rect outContentInsets,
3922            Rect outStableInsets, Rect outOutsets) {
3923        final int fl = PolicyControl.getWindowFlags(null, attrs);
3924        final int sysuiVis = PolicyControl.getSystemUiVisibility(null, attrs);
3925        final int systemUiVisibility = (sysuiVis | attrs.subtreeSystemUiVisibility);
3926
3927        final boolean useOutsets = outOutsets != null && shouldUseOutsets(attrs, fl);
3928        if (useOutsets) {
3929            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
3930            if (outset > 0) {
3931                if (displayRotation == Surface.ROTATION_0) {
3932                    outOutsets.bottom += outset;
3933                } else if (displayRotation == Surface.ROTATION_90) {
3934                    outOutsets.right += outset;
3935                } else if (displayRotation == Surface.ROTATION_180) {
3936                    outOutsets.top += outset;
3937                } else if (displayRotation == Surface.ROTATION_270) {
3938                    outOutsets.left += outset;
3939                }
3940            }
3941        }
3942
3943        if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3944                == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3945            int availRight, availBottom;
3946            if (canHideNavigationBar() &&
3947                    (systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0) {
3948                availRight = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3949                availBottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3950            } else {
3951                availRight = mRestrictedScreenLeft + mRestrictedScreenWidth;
3952                availBottom = mRestrictedScreenTop + mRestrictedScreenHeight;
3953            }
3954            if ((systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3955                if ((fl & FLAG_FULLSCREEN) != 0) {
3956                    outContentInsets.set(mStableFullscreenLeft, mStableFullscreenTop,
3957                            availRight - mStableFullscreenRight,
3958                            availBottom - mStableFullscreenBottom);
3959                } else {
3960                    outContentInsets.set(mStableLeft, mStableTop,
3961                            availRight - mStableRight, availBottom - mStableBottom);
3962                }
3963            } else if ((fl & FLAG_FULLSCREEN) != 0 || (fl & FLAG_LAYOUT_IN_OVERSCAN) != 0) {
3964                outContentInsets.setEmpty();
3965            } else if ((systemUiVisibility & (View.SYSTEM_UI_FLAG_FULLSCREEN
3966                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)) == 0) {
3967                outContentInsets.set(mCurLeft, mCurTop,
3968                        availRight - mCurRight, availBottom - mCurBottom);
3969            } else {
3970                outContentInsets.set(mCurLeft, mCurTop,
3971                        availRight - mCurRight, availBottom - mCurBottom);
3972            }
3973
3974            outStableInsets.set(mStableLeft, mStableTop,
3975                    availRight - mStableRight, availBottom - mStableBottom);
3976            if (taskBounds != null) {
3977                calculateRelevantTaskInsets(taskBounds, outContentInsets,
3978                        displayWidth, displayHeight);
3979                calculateRelevantTaskInsets(taskBounds, outStableInsets,
3980                        displayWidth, displayHeight);
3981            }
3982            return mForceShowSystemBars;
3983        }
3984        outContentInsets.setEmpty();
3985        outStableInsets.setEmpty();
3986        return mForceShowSystemBars;
3987    }
3988
3989    /**
3990     * For any given task bounds, the insets relevant for these bounds given the insets relevant
3991     * for the entire display.
3992     */
3993    private void calculateRelevantTaskInsets(Rect taskBounds, Rect inOutInsets, int displayWidth,
3994            int displayHeight) {
3995        mTmpRect.set(0, 0, displayWidth, displayHeight);
3996        mTmpRect.inset(inOutInsets);
3997        mTmpRect.intersect(taskBounds);
3998        int leftInset = mTmpRect.left - taskBounds.left;
3999        int topInset = mTmpRect.top - taskBounds.top;
4000        int rightInset = taskBounds.right - mTmpRect.right;
4001        int bottomInset = taskBounds.bottom - mTmpRect.bottom;
4002        inOutInsets.set(leftInset, topInset, rightInset, bottomInset);
4003    }
4004
4005    private boolean shouldUseOutsets(WindowManager.LayoutParams attrs, int fl) {
4006        return attrs.type == TYPE_WALLPAPER || (fl & (WindowManager.LayoutParams.FLAG_FULLSCREEN
4007                | WindowManager.LayoutParams.FLAG_LAYOUT_IN_OVERSCAN)) != 0;
4008    }
4009
4010    /** {@inheritDoc} */
4011    @Override
4012    public void beginLayoutLw(boolean isDefaultDisplay, int displayWidth, int displayHeight,
4013                              int displayRotation, int uiMode) {
4014        mDisplayRotation = displayRotation;
4015        final int overscanLeft, overscanTop, overscanRight, overscanBottom;
4016        if (isDefaultDisplay) {
4017            switch (displayRotation) {
4018                case Surface.ROTATION_90:
4019                    overscanLeft = mOverscanTop;
4020                    overscanTop = mOverscanRight;
4021                    overscanRight = mOverscanBottom;
4022                    overscanBottom = mOverscanLeft;
4023                    break;
4024                case Surface.ROTATION_180:
4025                    overscanLeft = mOverscanRight;
4026                    overscanTop = mOverscanBottom;
4027                    overscanRight = mOverscanLeft;
4028                    overscanBottom = mOverscanTop;
4029                    break;
4030                case Surface.ROTATION_270:
4031                    overscanLeft = mOverscanBottom;
4032                    overscanTop = mOverscanLeft;
4033                    overscanRight = mOverscanTop;
4034                    overscanBottom = mOverscanRight;
4035                    break;
4036                default:
4037                    overscanLeft = mOverscanLeft;
4038                    overscanTop = mOverscanTop;
4039                    overscanRight = mOverscanRight;
4040                    overscanBottom = mOverscanBottom;
4041                    break;
4042            }
4043        } else {
4044            overscanLeft = 0;
4045            overscanTop = 0;
4046            overscanRight = 0;
4047            overscanBottom = 0;
4048        }
4049        mOverscanScreenLeft = mRestrictedOverscanScreenLeft = 0;
4050        mOverscanScreenTop = mRestrictedOverscanScreenTop = 0;
4051        mOverscanScreenWidth = mRestrictedOverscanScreenWidth = displayWidth;
4052        mOverscanScreenHeight = mRestrictedOverscanScreenHeight = displayHeight;
4053        mSystemLeft = 0;
4054        mSystemTop = 0;
4055        mSystemRight = displayWidth;
4056        mSystemBottom = displayHeight;
4057        mUnrestrictedScreenLeft = overscanLeft;
4058        mUnrestrictedScreenTop = overscanTop;
4059        mUnrestrictedScreenWidth = displayWidth - overscanLeft - overscanRight;
4060        mUnrestrictedScreenHeight = displayHeight - overscanTop - overscanBottom;
4061        mRestrictedScreenLeft = mUnrestrictedScreenLeft;
4062        mRestrictedScreenTop = mUnrestrictedScreenTop;
4063        mRestrictedScreenWidth = mSystemGestures.screenWidth = mUnrestrictedScreenWidth;
4064        mRestrictedScreenHeight = mSystemGestures.screenHeight = mUnrestrictedScreenHeight;
4065        mDockLeft = mContentLeft = mVoiceContentLeft = mStableLeft = mStableFullscreenLeft
4066                = mCurLeft = mUnrestrictedScreenLeft;
4067        mDockTop = mContentTop = mVoiceContentTop = mStableTop = mStableFullscreenTop
4068                = mCurTop = mUnrestrictedScreenTop;
4069        mDockRight = mContentRight = mVoiceContentRight = mStableRight = mStableFullscreenRight
4070                = mCurRight = displayWidth - overscanRight;
4071        mDockBottom = mContentBottom = mVoiceContentBottom = mStableBottom = mStableFullscreenBottom
4072                = mCurBottom = displayHeight - overscanBottom;
4073        mDockLayer = 0x10000000;
4074        mStatusBarLayer = -1;
4075
4076        // start with the current dock rect, which will be (0,0,displayWidth,displayHeight)
4077        final Rect pf = mTmpParentFrame;
4078        final Rect df = mTmpDisplayFrame;
4079        final Rect of = mTmpOverscanFrame;
4080        final Rect vf = mTmpVisibleFrame;
4081        final Rect dcf = mTmpDecorFrame;
4082        pf.left = df.left = of.left = vf.left = mDockLeft;
4083        pf.top = df.top = of.top = vf.top = mDockTop;
4084        pf.right = df.right = of.right = vf.right = mDockRight;
4085        pf.bottom = df.bottom = of.bottom = vf.bottom = mDockBottom;
4086        dcf.setEmpty();  // Decor frame N/A for system bars.
4087
4088        if (isDefaultDisplay) {
4089            // For purposes of putting out fake window up to steal focus, we will
4090            // drive nav being hidden only by whether it is requested.
4091            final int sysui = mLastSystemUiFlags;
4092            boolean navVisible = (sysui & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0;
4093            boolean navTranslucent = (sysui
4094                    & (View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT)) != 0;
4095            boolean immersive = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
4096            boolean immersiveSticky = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
4097            boolean navAllowedHidden = immersive || immersiveSticky;
4098            navTranslucent &= !immersiveSticky;  // transient trumps translucent
4099            boolean isKeyguardShowing = isStatusBarKeyguard() && !mHideLockScreen;
4100            if (!isKeyguardShowing) {
4101                navTranslucent &= areTranslucentBarsAllowed();
4102            }
4103            boolean statusBarExpandedNotKeyguard = !isKeyguardShowing && mStatusBar != null
4104                    && mStatusBar.getAttrs().height == MATCH_PARENT
4105                    && mStatusBar.getAttrs().width == MATCH_PARENT;
4106
4107            // When the navigation bar isn't visible, we put up a fake
4108            // input window to catch all touch events.  This way we can
4109            // detect when the user presses anywhere to bring back the nav
4110            // bar and ensure the application doesn't see the event.
4111            if (navVisible || navAllowedHidden) {
4112                if (mInputConsumer != null) {
4113                    mHandler.sendMessage(
4114                            mHandler.obtainMessage(MSG_DISPOSE_INPUT_CONSUMER, mInputConsumer));
4115                    mInputConsumer = null;
4116                }
4117            } else if (mInputConsumer == null) {
4118                mInputConsumer = mWindowManagerFuncs.addInputConsumer(mHandler.getLooper(),
4119                        mHideNavInputEventReceiverFactory);
4120            }
4121
4122            // For purposes of positioning and showing the nav bar, if we have
4123            // decided that it can't be hidden (because of the screen aspect ratio),
4124            // then take that into account.
4125            navVisible |= !canHideNavigationBar();
4126
4127            boolean updateSysUiVisibility = layoutNavigationBar(displayWidth, displayHeight,
4128                    displayRotation, uiMode, overscanLeft, overscanRight, overscanBottom, dcf, navVisible, navTranslucent,
4129                    navAllowedHidden, statusBarExpandedNotKeyguard);
4130            if (DEBUG_LAYOUT) Slog.i(TAG, String.format("mDock rect: (%d,%d - %d,%d)",
4131                    mDockLeft, mDockTop, mDockRight, mDockBottom));
4132            updateSysUiVisibility |= layoutStatusBar(pf, df, of, vf, dcf, sysui, isKeyguardShowing);
4133            if (updateSysUiVisibility) {
4134                updateSystemUiVisibilityLw();
4135            }
4136        }
4137    }
4138
4139    private boolean layoutStatusBar(Rect pf, Rect df, Rect of, Rect vf, Rect dcf, int sysui,
4140            boolean isKeyguardShowing) {
4141        // decide where the status bar goes ahead of time
4142        if (mStatusBar != null) {
4143            // apply any navigation bar insets
4144            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4145            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4146            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
4147            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight
4148                    + mUnrestrictedScreenTop;
4149            vf.left = mStableLeft;
4150            vf.top = mStableTop;
4151            vf.right = mStableRight;
4152            vf.bottom = mStableBottom;
4153
4154            mStatusBarLayer = mStatusBar.getSurfaceLayer();
4155
4156            // Let the status bar determine its size.
4157            mStatusBar.computeFrameLw(pf /* parentFrame */, df /* displayFrame */,
4158                    vf /* overlayFrame */, vf /* contentFrame */, vf /* visibleFrame */,
4159                    dcf /* decorFrame */, vf /* stableFrame */, vf /* outsetFrame */);
4160
4161            // For layout, the status bar is always at the top with our fixed height.
4162            mStableTop = mUnrestrictedScreenTop + mStatusBarHeight;
4163
4164            boolean statusBarTransient = (sysui & View.STATUS_BAR_TRANSIENT) != 0;
4165            boolean statusBarTranslucent = (sysui
4166                    & (View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT)) != 0;
4167            if (!isKeyguardShowing) {
4168                statusBarTranslucent &= areTranslucentBarsAllowed();
4169            }
4170
4171            // If the status bar is hidden, we don't want to cause
4172            // windows behind it to scroll.
4173            if (mStatusBar.isVisibleLw() && !statusBarTransient) {
4174                // Status bar may go away, so the screen area it occupies
4175                // is available to apps but just covering them when the
4176                // status bar is visible.
4177                mDockTop = mUnrestrictedScreenTop + mStatusBarHeight;
4178
4179                mContentTop = mVoiceContentTop = mCurTop = mDockTop;
4180                mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
4181                mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
4182                mContentRight = mVoiceContentRight = mCurRight = mDockRight;
4183
4184                if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar: " +
4185                        String.format(
4186                                "dock=[%d,%d][%d,%d] content=[%d,%d][%d,%d] cur=[%d,%d][%d,%d]",
4187                                mDockLeft, mDockTop, mDockRight, mDockBottom,
4188                                mContentLeft, mContentTop, mContentRight, mContentBottom,
4189                                mCurLeft, mCurTop, mCurRight, mCurBottom));
4190            }
4191            if (mStatusBar.isVisibleLw() && !mStatusBar.isAnimatingLw()
4192                    && !statusBarTransient && !statusBarTranslucent
4193                    && !mStatusBarController.wasRecentlyTranslucent()) {
4194                // If the opaque status bar is currently requested to be visible,
4195                // and not in the process of animating on or off, then
4196                // we can tell the app that it is covered by it.
4197                mSystemTop = mUnrestrictedScreenTop + mStatusBarHeight;
4198            }
4199            if (mStatusBarController.checkHiddenLw()) {
4200                return true;
4201            }
4202        }
4203        return false;
4204    }
4205
4206    private boolean layoutNavigationBar(int displayWidth, int displayHeight, int displayRotation,
4207            int uiMode, int overscanLeft, int overscanRight, int overscanBottom, Rect dcf,
4208            boolean navVisible, boolean navTranslucent, boolean navAllowedHidden,
4209            boolean statusBarExpandedNotKeyguard) {
4210        if (mNavigationBar != null) {
4211            boolean transientNavBarShowing = mNavigationBarController.isTransientShowing();
4212            // Force the navigation bar to its appropriate place and
4213            // size.  We need to do this directly, instead of relying on
4214            // it to bubble up from the nav bar, because this needs to
4215            // change atomically with screen rotations.
4216            mNavigationBarPosition = navigationBarPosition(displayWidth, displayHeight,
4217                    displayRotation);
4218            if (mNavigationBarPosition == NAV_BAR_BOTTOM) {
4219                // It's a system nav bar or a portrait screen; nav bar goes on bottom.
4220                int top = displayHeight - overscanBottom
4221                        - getNavigationBarHeight(displayRotation, uiMode);
4222                mTmpNavigationFrame.set(0, top, displayWidth, displayHeight - overscanBottom);
4223                mStableBottom = mStableFullscreenBottom = mTmpNavigationFrame.top;
4224                if (transientNavBarShowing) {
4225                    mNavigationBarController.setBarShowingLw(true);
4226                } else if (navVisible) {
4227                    mNavigationBarController.setBarShowingLw(true);
4228                    mDockBottom = mTmpNavigationFrame.top;
4229                    mRestrictedScreenHeight = mDockBottom - mRestrictedScreenTop;
4230                    mRestrictedOverscanScreenHeight = mDockBottom - mRestrictedOverscanScreenTop;
4231                } else {
4232                    // We currently want to hide the navigation UI - unless we expanded the status
4233                    // bar.
4234                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4235                }
4236                if (navVisible && !navTranslucent && !navAllowedHidden
4237                        && !mNavigationBar.isAnimatingLw()
4238                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4239                    // If the opaque nav bar is currently requested to be visible,
4240                    // and not in the process of animating on or off, then
4241                    // we can tell the app that it is covered by it.
4242                    mSystemBottom = mTmpNavigationFrame.top;
4243                }
4244            } else if (mNavigationBarPosition == NAV_BAR_RIGHT) {
4245                // Landscape screen; nav bar goes to the right.
4246                int left = displayWidth - overscanRight
4247                        - getNavigationBarWidth(displayRotation, uiMode);
4248                mTmpNavigationFrame.set(left, 0, displayWidth - overscanRight, displayHeight);
4249                mStableRight = mStableFullscreenRight = mTmpNavigationFrame.left;
4250                if (transientNavBarShowing) {
4251                    mNavigationBarController.setBarShowingLw(true);
4252                } else if (navVisible) {
4253                    mNavigationBarController.setBarShowingLw(true);
4254                    mDockRight = mTmpNavigationFrame.left;
4255                    mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
4256                    mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
4257                } else {
4258                    // We currently want to hide the navigation UI - unless we expanded the status
4259                    // bar.
4260                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4261                }
4262                if (navVisible && !navTranslucent && !navAllowedHidden
4263                        && !mNavigationBar.isAnimatingLw()
4264                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4265                    // If the nav bar is currently requested to be visible,
4266                    // and not in the process of animating on or off, then
4267                    // we can tell the app that it is covered by it.
4268                    mSystemRight = mTmpNavigationFrame.left;
4269                }
4270            } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
4271                // Seascape screen; nav bar goes to the left.
4272                int right = overscanLeft + getNavigationBarWidth(displayRotation, uiMode);
4273                mTmpNavigationFrame.set(overscanLeft, 0, right, displayHeight);
4274                mStableLeft = mStableFullscreenLeft = mTmpNavigationFrame.right;
4275                if (transientNavBarShowing) {
4276                    mNavigationBarController.setBarShowingLw(true);
4277                } else if (navVisible) {
4278                    mNavigationBarController.setBarShowingLw(true);
4279                    mDockLeft = mTmpNavigationFrame.right;
4280                    // TODO: not so sure about those:
4281                    mRestrictedScreenLeft = mRestrictedOverscanScreenLeft = mDockLeft;
4282                    mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
4283                    mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
4284                } else {
4285                    // We currently want to hide the navigation UI - unless we expanded the status
4286                    // bar.
4287                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4288                }
4289                if (navVisible && !navTranslucent && !navAllowedHidden
4290                        && !mNavigationBar.isAnimatingLw()
4291                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4292                    // If the nav bar is currently requested to be visible,
4293                    // and not in the process of animating on or off, then
4294                    // we can tell the app that it is covered by it.
4295                    mSystemLeft = mTmpNavigationFrame.right;
4296                }
4297            }
4298            // Make sure the content and current rectangles are updated to
4299            // account for the restrictions from the navigation bar.
4300            mContentTop = mVoiceContentTop = mCurTop = mDockTop;
4301            mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
4302            mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
4303            mContentRight = mVoiceContentRight = mCurRight = mDockRight;
4304            mStatusBarLayer = mNavigationBar.getSurfaceLayer();
4305            // And compute the final frame.
4306            mNavigationBar.computeFrameLw(mTmpNavigationFrame, mTmpNavigationFrame,
4307                    mTmpNavigationFrame, mTmpNavigationFrame, mTmpNavigationFrame, dcf,
4308                    mTmpNavigationFrame, mTmpNavigationFrame);
4309            if (DEBUG_LAYOUT) Slog.i(TAG, "mNavigationBar frame: " + mTmpNavigationFrame);
4310            if (mNavigationBarController.checkHiddenLw()) {
4311                return true;
4312            }
4313        }
4314        return false;
4315    }
4316
4317    private int navigationBarPosition(int displayWidth, int displayHeight, int displayRotation) {
4318        if (mNavigationBarCanMove && displayWidth > displayHeight) {
4319            if (displayRotation == Surface.ROTATION_270) {
4320                return NAV_BAR_LEFT;
4321            } else {
4322                return NAV_BAR_RIGHT;
4323            }
4324        }
4325        return NAV_BAR_BOTTOM;
4326    }
4327
4328    /** {@inheritDoc} */
4329    @Override
4330    public int getSystemDecorLayerLw() {
4331        if (mStatusBar != null && mStatusBar.isVisibleLw()) {
4332            return mStatusBar.getSurfaceLayer();
4333        }
4334
4335        if (mNavigationBar != null && mNavigationBar.isVisibleLw()) {
4336            return mNavigationBar.getSurfaceLayer();
4337        }
4338
4339        return 0;
4340    }
4341
4342    @Override
4343    public void getContentRectLw(Rect r) {
4344        r.set(mContentLeft, mContentTop, mContentRight, mContentBottom);
4345    }
4346
4347    void setAttachedWindowFrames(WindowState win, int fl, int adjust, WindowState attached,
4348            boolean insetDecors, Rect pf, Rect df, Rect of, Rect cf, Rect vf) {
4349        if (win.getSurfaceLayer() > mDockLayer && attached.getSurfaceLayer() < mDockLayer) {
4350            // Here's a special case: if this attached window is a panel that is
4351            // above the dock window, and the window it is attached to is below
4352            // the dock window, then the frames we computed for the window it is
4353            // attached to can not be used because the dock is effectively part
4354            // of the underlying window and the attached window is floating on top
4355            // of the whole thing.  So, we ignore the attached window and explicitly
4356            // compute the frames that would be appropriate without the dock.
4357            df.left = of.left = cf.left = vf.left = mDockLeft;
4358            df.top = of.top = cf.top = vf.top = mDockTop;
4359            df.right = of.right = cf.right = vf.right = mDockRight;
4360            df.bottom = of.bottom = cf.bottom = vf.bottom = mDockBottom;
4361        } else {
4362            // The effective display frame of the attached window depends on
4363            // whether it is taking care of insetting its content.  If not,
4364            // we need to use the parent's content frame so that the entire
4365            // window is positioned within that content.  Otherwise we can use
4366            // the overscan frame and let the attached window take care of
4367            // positioning its content appropriately.
4368            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4369                // Set the content frame of the attached window to the parent's decor frame
4370                // (same as content frame when IME isn't present) if specifically requested by
4371                // setting {@link WindowManager.LayoutParams#FLAG_LAYOUT_ATTACHED_IN_DECOR} flag.
4372                // Otherwise, use the overscan frame.
4373                cf.set((fl & FLAG_LAYOUT_ATTACHED_IN_DECOR) != 0
4374                        ? attached.getContentFrameLw() : attached.getOverscanFrameLw());
4375            } else {
4376                // If the window is resizing, then we want to base the content
4377                // frame on our attached content frame to resize...  however,
4378                // things can be tricky if the attached window is NOT in resize
4379                // mode, in which case its content frame will be larger.
4380                // Ungh.  So to deal with that, make sure the content frame
4381                // we end up using is not covering the IM dock.
4382                cf.set(attached.getContentFrameLw());
4383                if (attached.isVoiceInteraction()) {
4384                    if (cf.left < mVoiceContentLeft) cf.left = mVoiceContentLeft;
4385                    if (cf.top < mVoiceContentTop) cf.top = mVoiceContentTop;
4386                    if (cf.right > mVoiceContentRight) cf.right = mVoiceContentRight;
4387                    if (cf.bottom > mVoiceContentBottom) cf.bottom = mVoiceContentBottom;
4388                } else if (attached.getSurfaceLayer() < mDockLayer) {
4389                    if (cf.left < mContentLeft) cf.left = mContentLeft;
4390                    if (cf.top < mContentTop) cf.top = mContentTop;
4391                    if (cf.right > mContentRight) cf.right = mContentRight;
4392                    if (cf.bottom > mContentBottom) cf.bottom = mContentBottom;
4393                }
4394            }
4395            df.set(insetDecors ? attached.getDisplayFrameLw() : cf);
4396            of.set(insetDecors ? attached.getOverscanFrameLw() : cf);
4397            vf.set(attached.getVisibleFrameLw());
4398        }
4399        // The LAYOUT_IN_SCREEN flag is used to determine whether the attached
4400        // window should be positioned relative to its parent or the entire
4401        // screen.
4402        pf.set((fl & FLAG_LAYOUT_IN_SCREEN) == 0
4403                ? attached.getFrameLw() : df);
4404    }
4405
4406    private void applyStableConstraints(int sysui, int fl, Rect r) {
4407        if ((sysui & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
4408            // If app is requesting a stable layout, don't let the
4409            // content insets go below the stable values.
4410            if ((fl & FLAG_FULLSCREEN) != 0) {
4411                if (r.left < mStableFullscreenLeft) r.left = mStableFullscreenLeft;
4412                if (r.top < mStableFullscreenTop) r.top = mStableFullscreenTop;
4413                if (r.right > mStableFullscreenRight) r.right = mStableFullscreenRight;
4414                if (r.bottom > mStableFullscreenBottom) r.bottom = mStableFullscreenBottom;
4415            } else {
4416                if (r.left < mStableLeft) r.left = mStableLeft;
4417                if (r.top < mStableTop) r.top = mStableTop;
4418                if (r.right > mStableRight) r.right = mStableRight;
4419                if (r.bottom > mStableBottom) r.bottom = mStableBottom;
4420            }
4421        }
4422    }
4423
4424    private boolean canReceiveInput(WindowState win) {
4425        boolean notFocusable =
4426                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) != 0;
4427        boolean altFocusableIm =
4428                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM) != 0;
4429        boolean notFocusableForIm = notFocusable ^ altFocusableIm;
4430        return !notFocusableForIm;
4431    }
4432
4433    /** {@inheritDoc} */
4434    @Override
4435    public void layoutWindowLw(WindowState win, WindowState attached) {
4436        // We've already done the navigation bar and status bar. If the status bar can receive
4437        // input, we need to layout it again to accomodate for the IME window.
4438        if ((win == mStatusBar && !canReceiveInput(win)) || win == mNavigationBar) {
4439            return;
4440        }
4441        final WindowManager.LayoutParams attrs = win.getAttrs();
4442        final boolean isDefaultDisplay = win.isDefaultDisplay();
4443        final boolean needsToOffsetInputMethodTarget = isDefaultDisplay &&
4444                (win == mLastInputMethodTargetWindow && mLastInputMethodWindow != null);
4445        if (needsToOffsetInputMethodTarget) {
4446            if (DEBUG_LAYOUT) Slog.i(TAG, "Offset ime target window by the last ime window state");
4447            offsetInputMethodWindowLw(mLastInputMethodWindow);
4448        }
4449
4450        final int fl = PolicyControl.getWindowFlags(win, attrs);
4451        final int pfl = attrs.privateFlags;
4452        final int sim = attrs.softInputMode;
4453        final int sysUiFl = PolicyControl.getSystemUiVisibility(win, null);
4454
4455        final Rect pf = mTmpParentFrame;
4456        final Rect df = mTmpDisplayFrame;
4457        final Rect of = mTmpOverscanFrame;
4458        final Rect cf = mTmpContentFrame;
4459        final Rect vf = mTmpVisibleFrame;
4460        final Rect dcf = mTmpDecorFrame;
4461        final Rect sf = mTmpStableFrame;
4462        Rect osf = null;
4463        dcf.setEmpty();
4464
4465        final boolean hasNavBar = (isDefaultDisplay && mHasNavigationBar
4466                && mNavigationBar != null && mNavigationBar.isVisibleLw());
4467
4468        final int adjust = sim & SOFT_INPUT_MASK_ADJUST;
4469
4470        if (isDefaultDisplay) {
4471            sf.set(mStableLeft, mStableTop, mStableRight, mStableBottom);
4472        } else {
4473            sf.set(mOverscanLeft, mOverscanTop, mOverscanRight, mOverscanBottom);
4474        }
4475
4476        if (!isDefaultDisplay) {
4477            if (attached != null) {
4478                // If this window is attached to another, our display
4479                // frame is the same as the one we are attached to.
4480                setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4481            } else {
4482                // Give the window full screen.
4483                pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4484                pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4485                pf.right = df.right = of.right = cf.right
4486                        = mOverscanScreenLeft + mOverscanScreenWidth;
4487                pf.bottom = df.bottom = of.bottom = cf.bottom
4488                        = mOverscanScreenTop + mOverscanScreenHeight;
4489            }
4490        } else if (attrs.type == TYPE_INPUT_METHOD) {
4491            pf.left = df.left = of.left = cf.left = vf.left = mDockLeft;
4492            pf.top = df.top = of.top = cf.top = vf.top = mDockTop;
4493            pf.right = df.right = of.right = cf.right = vf.right = mDockRight;
4494            // IM dock windows layout below the nav bar...
4495            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4496            // ...with content insets above the nav bar
4497            cf.bottom = vf.bottom = mStableBottom;
4498            if (mStatusBar != null && mFocusedWindow == mStatusBar && canReceiveInput(mStatusBar)) {
4499                // The status bar forces the navigation bar while it's visible. Make sure the IME
4500                // avoids the navigation bar in that case.
4501                if (mNavigationBarPosition == NAV_BAR_RIGHT) {
4502                    pf.right = df.right = of.right = cf.right = vf.right = mStableRight;
4503                } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
4504                    pf.left = df.left = of.left = cf.left = vf.left = mStableLeft;
4505                }
4506            }
4507            // IM dock windows always go to the bottom of the screen.
4508            attrs.gravity = Gravity.BOTTOM;
4509            mDockLayer = win.getSurfaceLayer();
4510        } else if (attrs.type == TYPE_VOICE_INTERACTION) {
4511            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4512            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4513            pf.right = df.right = of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4514            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4515            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4516                cf.left = mDockLeft;
4517                cf.top = mDockTop;
4518                cf.right = mDockRight;
4519                cf.bottom = mDockBottom;
4520            } else {
4521                cf.left = mContentLeft;
4522                cf.top = mContentTop;
4523                cf.right = mContentRight;
4524                cf.bottom = mContentBottom;
4525            }
4526            if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4527                vf.left = mCurLeft;
4528                vf.top = mCurTop;
4529                vf.right = mCurRight;
4530                vf.bottom = mCurBottom;
4531            } else {
4532                vf.set(cf);
4533            }
4534        } else if (attrs.type == TYPE_WALLPAPER) {
4535           layoutWallpaper(win, pf, df, of, cf);
4536        } else if (win == mStatusBar) {
4537            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4538            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4539            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
4540            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight + mUnrestrictedScreenTop;
4541            cf.left = vf.left = mStableLeft;
4542            cf.top = vf.top = mStableTop;
4543            cf.right = vf.right = mStableRight;
4544            vf.bottom = mStableBottom;
4545
4546            if (adjust == SOFT_INPUT_ADJUST_RESIZE) {
4547                cf.bottom = mContentBottom;
4548            } else {
4549                cf.bottom = mDockBottom;
4550                vf.bottom = mContentBottom;
4551            }
4552        } else {
4553
4554            // Default policy decor for the default display
4555            dcf.left = mSystemLeft;
4556            dcf.top = mSystemTop;
4557            dcf.right = mSystemRight;
4558            dcf.bottom = mSystemBottom;
4559            final boolean inheritTranslucentDecor = (attrs.privateFlags
4560                    & WindowManager.LayoutParams.PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR) != 0;
4561            final boolean isAppWindow =
4562                    attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW &&
4563                    attrs.type <= WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
4564            final boolean topAtRest =
4565                    win == mTopFullscreenOpaqueWindowState && !win.isAnimatingLw();
4566            if (isAppWindow && !inheritTranslucentDecor && !topAtRest) {
4567                if ((sysUiFl & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0
4568                        && (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) == 0
4569                        && (fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) == 0
4570                        && (fl & WindowManager.LayoutParams.
4571                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0
4572                        && (pfl & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND) == 0) {
4573                    // Ensure policy decor includes status bar
4574                    dcf.top = mStableTop;
4575                }
4576                if ((fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) == 0
4577                        && (sysUiFl & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0
4578                        && (fl & WindowManager.LayoutParams.
4579                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
4580                    // Ensure policy decor includes navigation bar
4581                    dcf.bottom = mStableBottom;
4582                    dcf.right = mStableRight;
4583                }
4584            }
4585
4586            if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
4587                    == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
4588                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle()
4589                            + "): IN_SCREEN, INSET_DECOR");
4590                // This is the case for a normal activity window: we want it
4591                // to cover all of the screen space, and it can take care of
4592                // moving its contents to account for screen decorations that
4593                // intrude into that space.
4594                if (attached != null) {
4595                    // If this window is attached to another, our display
4596                    // frame is the same as the one we are attached to.
4597                    setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4598                } else {
4599                    if (attrs.type == TYPE_STATUS_BAR_PANEL
4600                            || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
4601                        // Status bar panels are the only windows who can go on top of
4602                        // the status bar.  They are protected by the STATUS_BAR_SERVICE
4603                        // permission, so they have the same privileges as the status
4604                        // bar itself.
4605                        //
4606                        // However, they should still dodge the navigation bar if it exists.
4607
4608                        pf.left = df.left = of.left = hasNavBar
4609                                ? mDockLeft : mUnrestrictedScreenLeft;
4610                        pf.top = df.top = of.top = mUnrestrictedScreenTop;
4611                        pf.right = df.right = of.right = hasNavBar
4612                                ? mRestrictedScreenLeft+mRestrictedScreenWidth
4613                                : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4614                        pf.bottom = df.bottom = of.bottom = hasNavBar
4615                                ? mRestrictedScreenTop+mRestrictedScreenHeight
4616                                : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4617
4618                        if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4619                                        "Laying out status bar window: (%d,%d - %d,%d)",
4620                                        pf.left, pf.top, pf.right, pf.bottom));
4621                    } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4622                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4623                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4624                        // Asking to layout into the overscan region, so give it that pure
4625                        // unrestricted area.
4626                        pf.left = df.left = of.left = mOverscanScreenLeft;
4627                        pf.top = df.top = of.top = mOverscanScreenTop;
4628                        pf.right = df.right = of.right = mOverscanScreenLeft + mOverscanScreenWidth;
4629                        pf.bottom = df.bottom = of.bottom = mOverscanScreenTop
4630                                + mOverscanScreenHeight;
4631                    } else if (canHideNavigationBar()
4632                            && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4633                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4634                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4635                        // Asking for layout as if the nav bar is hidden, lets the
4636                        // application extend into the unrestricted overscan screen area.  We
4637                        // only do this for application windows to ensure no window that
4638                        // can be above the nav bar can do this.
4639                        pf.left = df.left = mOverscanScreenLeft;
4640                        pf.top = df.top = mOverscanScreenTop;
4641                        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4642                        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4643                        // We need to tell the app about where the frame inside the overscan
4644                        // is, so it can inset its content by that amount -- it didn't ask
4645                        // to actually extend itself into the overscan region.
4646                        of.left = mUnrestrictedScreenLeft;
4647                        of.top = mUnrestrictedScreenTop;
4648                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4649                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4650                    } else {
4651                        pf.left = df.left = mRestrictedOverscanScreenLeft;
4652                        pf.top = df.top = mRestrictedOverscanScreenTop;
4653                        pf.right = df.right = mRestrictedOverscanScreenLeft
4654                                + mRestrictedOverscanScreenWidth;
4655                        pf.bottom = df.bottom = mRestrictedOverscanScreenTop
4656                                + mRestrictedOverscanScreenHeight;
4657                        // We need to tell the app about where the frame inside the overscan
4658                        // is, so it can inset its content by that amount -- it didn't ask
4659                        // to actually extend itself into the overscan region.
4660                        of.left = mUnrestrictedScreenLeft;
4661                        of.top = mUnrestrictedScreenTop;
4662                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4663                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4664                    }
4665
4666                    if ((fl & FLAG_FULLSCREEN) == 0) {
4667                        if (win.isVoiceInteraction()) {
4668                            cf.left = mVoiceContentLeft;
4669                            cf.top = mVoiceContentTop;
4670                            cf.right = mVoiceContentRight;
4671                            cf.bottom = mVoiceContentBottom;
4672                        } else {
4673                            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4674                                cf.left = mDockLeft;
4675                                cf.top = mDockTop;
4676                                cf.right = mDockRight;
4677                                cf.bottom = mDockBottom;
4678                            } else {
4679                                cf.left = mContentLeft;
4680                                cf.top = mContentTop;
4681                                cf.right = mContentRight;
4682                                cf.bottom = mContentBottom;
4683                            }
4684                        }
4685                    } else {
4686                        // Full screen windows are always given a layout that is as if the
4687                        // status bar and other transient decors are gone.  This is to avoid
4688                        // bad states when moving from a window that is not hding the
4689                        // status bar to one that is.
4690                        cf.left = mRestrictedScreenLeft;
4691                        cf.top = mRestrictedScreenTop;
4692                        cf.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
4693                        cf.bottom = mRestrictedScreenTop + mRestrictedScreenHeight;
4694                    }
4695                    applyStableConstraints(sysUiFl, fl, cf);
4696                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4697                        vf.left = mCurLeft;
4698                        vf.top = mCurTop;
4699                        vf.right = mCurRight;
4700                        vf.bottom = mCurBottom;
4701                    } else {
4702                        vf.set(cf);
4703                    }
4704                }
4705            } else if ((fl & FLAG_LAYOUT_IN_SCREEN) != 0 || (sysUiFl
4706                    & (View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
4707                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION)) != 0) {
4708                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4709                        "): IN_SCREEN");
4710                // A window that has requested to fill the entire screen just
4711                // gets everything, period.
4712                if (attrs.type == TYPE_STATUS_BAR_PANEL
4713                        || attrs.type == TYPE_STATUS_BAR_SUB_PANEL
4714                        || attrs.type == TYPE_VOLUME_OVERLAY) {
4715                    pf.left = df.left = of.left = cf.left = hasNavBar
4716                            ? mDockLeft : mUnrestrictedScreenLeft;
4717                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4718                    pf.right = df.right = of.right = cf.right = hasNavBar
4719                                        ? mRestrictedScreenLeft+mRestrictedScreenWidth
4720                                        : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4721                    pf.bottom = df.bottom = of.bottom = cf.bottom = hasNavBar
4722                                          ? mRestrictedScreenTop+mRestrictedScreenHeight
4723                                          : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4724                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4725                                    "Laying out IN_SCREEN status bar window: (%d,%d - %d,%d)",
4726                                    pf.left, pf.top, pf.right, pf.bottom));
4727                } else if (attrs.type == TYPE_NAVIGATION_BAR
4728                        || attrs.type == TYPE_NAVIGATION_BAR_PANEL) {
4729                    // The navigation bar has Real Ultimate Power.
4730                    pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4731                    pf.top = df.top = of.top = mUnrestrictedScreenTop;
4732                    pf.right = df.right = of.right = mUnrestrictedScreenLeft
4733                            + mUnrestrictedScreenWidth;
4734                    pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop
4735                            + mUnrestrictedScreenHeight;
4736                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4737                                    "Laying out navigation bar window: (%d,%d - %d,%d)",
4738                                    pf.left, pf.top, pf.right, pf.bottom));
4739                } else if ((attrs.type == TYPE_SECURE_SYSTEM_OVERLAY
4740                                || attrs.type == TYPE_BOOT_PROGRESS
4741                                || attrs.type == TYPE_SCREENSHOT)
4742                        && ((fl & FLAG_FULLSCREEN) != 0)) {
4743                    // Fullscreen secure system overlays get what they ask for. Screenshot region
4744                    // selection overlay should also expand to full screen.
4745                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4746                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4747                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4748                            + mOverscanScreenWidth;
4749                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4750                            + mOverscanScreenHeight;
4751                } else if (attrs.type == TYPE_BOOT_PROGRESS) {
4752                    // Boot progress screen always covers entire display.
4753                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4754                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4755                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4756                            + mOverscanScreenWidth;
4757                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4758                            + mOverscanScreenHeight;
4759                } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4760                        && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4761                        && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4762                    // Asking to layout into the overscan region, so give it that pure
4763                    // unrestricted area.
4764                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4765                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4766                    pf.right = df.right = of.right = cf.right
4767                            = mOverscanScreenLeft + mOverscanScreenWidth;
4768                    pf.bottom = df.bottom = of.bottom = cf.bottom
4769                            = mOverscanScreenTop + mOverscanScreenHeight;
4770                } else if (canHideNavigationBar()
4771                        && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4772                        && (attrs.type == TYPE_STATUS_BAR
4773                            || attrs.type == TYPE_TOAST
4774                            || attrs.type == TYPE_DOCK_DIVIDER
4775                            || attrs.type == TYPE_VOICE_INTERACTION_STARTING
4776                            || (attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4777                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW))) {
4778                    // Asking for layout as if the nav bar is hidden, lets the
4779                    // application extend into the unrestricted screen area.  We
4780                    // only do this for application windows (or toasts) to ensure no window that
4781                    // can be above the nav bar can do this.
4782                    // XXX This assumes that an app asking for this will also
4783                    // ask for layout in only content.  We can't currently figure out
4784                    // what the screen would be if only laying out to hide the nav bar.
4785                    pf.left = df.left = of.left = cf.left = mUnrestrictedScreenLeft;
4786                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4787                    pf.right = df.right = of.right = cf.right = mUnrestrictedScreenLeft
4788                            + mUnrestrictedScreenWidth;
4789                    pf.bottom = df.bottom = of.bottom = cf.bottom = mUnrestrictedScreenTop
4790                            + mUnrestrictedScreenHeight;
4791                } else if ((sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN) != 0) {
4792                    pf.left = df.left = of.left = mRestrictedScreenLeft;
4793                    pf.top = df.top = of.top  = mRestrictedScreenTop;
4794                    pf.right = df.right = of.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
4795                    pf.bottom = df.bottom = of.bottom = mRestrictedScreenTop
4796                            + mRestrictedScreenHeight;
4797                    if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4798                        cf.left = mDockLeft;
4799                        cf.top = mDockTop;
4800                        cf.right = mDockRight;
4801                        cf.bottom = mDockBottom;
4802                    } else {
4803                        cf.left = mContentLeft;
4804                        cf.top = mContentTop;
4805                        cf.right = mContentRight;
4806                        cf.bottom = mContentBottom;
4807                    }
4808                } else {
4809                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4810                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4811                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4812                            + mRestrictedScreenWidth;
4813                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4814                            + mRestrictedScreenHeight;
4815                }
4816
4817                applyStableConstraints(sysUiFl, fl, cf);
4818
4819                if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4820                    vf.left = mCurLeft;
4821                    vf.top = mCurTop;
4822                    vf.right = mCurRight;
4823                    vf.bottom = mCurBottom;
4824                } else {
4825                    vf.set(cf);
4826                }
4827            } else if (attached != null) {
4828                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4829                        "): attached to " + attached);
4830                // A child window should be placed inside of the same visible
4831                // frame that its parent had.
4832                setAttachedWindowFrames(win, fl, adjust, attached, false, pf, df, of, cf, vf);
4833            } else {
4834                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4835                        "): normal window");
4836                // Otherwise, a normal window must be placed inside the content
4837                // of all screen decorations.
4838                if (attrs.type == TYPE_STATUS_BAR_PANEL || attrs.type == TYPE_VOLUME_OVERLAY) {
4839                    // Status bar panels and the volume dialog are the only windows who can go on
4840                    // top of the status bar.  They are protected by the STATUS_BAR_SERVICE
4841                    // permission, so they have the same privileges as the status
4842                    // bar itself.
4843                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4844                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4845                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4846                            + mRestrictedScreenWidth;
4847                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4848                            + mRestrictedScreenHeight;
4849                } else if (attrs.type == TYPE_TOAST || attrs.type == TYPE_SYSTEM_ALERT) {
4850                    // These dialogs are stable to interim decor changes.
4851                    pf.left = df.left = of.left = cf.left = mStableLeft;
4852                    pf.top = df.top = of.top = cf.top = mStableTop;
4853                    pf.right = df.right = of.right = cf.right = mStableRight;
4854                    pf.bottom = df.bottom = of.bottom = cf.bottom = mStableBottom;
4855                } else {
4856                    pf.left = mContentLeft;
4857                    pf.top = mContentTop;
4858                    pf.right = mContentRight;
4859                    pf.bottom = mContentBottom;
4860                    if (win.isVoiceInteraction()) {
4861                        df.left = of.left = cf.left = mVoiceContentLeft;
4862                        df.top = of.top = cf.top = mVoiceContentTop;
4863                        df.right = of.right = cf.right = mVoiceContentRight;
4864                        df.bottom = of.bottom = cf.bottom = mVoiceContentBottom;
4865                    } else if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4866                        df.left = of.left = cf.left = mDockLeft;
4867                        df.top = of.top = cf.top = mDockTop;
4868                        df.right = of.right = cf.right = mDockRight;
4869                        df.bottom = of.bottom = cf.bottom = mDockBottom;
4870                    } else {
4871                        df.left = of.left = cf.left = mContentLeft;
4872                        df.top = of.top = cf.top = mContentTop;
4873                        df.right = of.right = cf.right = mContentRight;
4874                        df.bottom = of.bottom = cf.bottom = mContentBottom;
4875                    }
4876                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4877                        vf.left = mCurLeft;
4878                        vf.top = mCurTop;
4879                        vf.right = mCurRight;
4880                        vf.bottom = mCurBottom;
4881                    } else {
4882                        vf.set(cf);
4883                    }
4884                }
4885            }
4886        }
4887
4888        // TYPE_SYSTEM_ERROR is above the NavigationBar so it can't be allowed to extend over it.
4889        // Also, we don't allow windows in multi-window mode to extend out of the screen.
4890        if ((fl & FLAG_LAYOUT_NO_LIMITS) != 0 && attrs.type != TYPE_SYSTEM_ERROR
4891                && !win.isInMultiWindowMode()) {
4892            df.left = df.top = -10000;
4893            df.right = df.bottom = 10000;
4894            if (attrs.type != TYPE_WALLPAPER) {
4895                of.left = of.top = cf.left = cf.top = vf.left = vf.top = -10000;
4896                of.right = of.bottom = cf.right = cf.bottom = vf.right = vf.bottom = 10000;
4897            }
4898        }
4899
4900        // If the device has a chin (e.g. some watches), a dead area at the bottom of the screen we
4901        // need to provide information to the clients that want to pretend that you can draw there.
4902        // We only want to apply outsets to certain types of windows. For example, we never want to
4903        // apply the outsets to floating dialogs, because they wouldn't make sense there.
4904        final boolean useOutsets = shouldUseOutsets(attrs, fl);
4905        if (isDefaultDisplay && useOutsets) {
4906            osf = mTmpOutsetFrame;
4907            osf.set(cf.left, cf.top, cf.right, cf.bottom);
4908            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
4909            if (outset > 0) {
4910                int rotation = mDisplayRotation;
4911                if (rotation == Surface.ROTATION_0) {
4912                    osf.bottom += outset;
4913                } else if (rotation == Surface.ROTATION_90) {
4914                    osf.right += outset;
4915                } else if (rotation == Surface.ROTATION_180) {
4916                    osf.top -= outset;
4917                } else if (rotation == Surface.ROTATION_270) {
4918                    osf.left -= outset;
4919                }
4920                if (DEBUG_LAYOUT) Slog.v(TAG, "applying bottom outset of " + outset
4921                        + " with rotation " + rotation + ", result: " + osf);
4922            }
4923        }
4924
4925        if (DEBUG_LAYOUT) Slog.v(TAG, "Compute frame " + attrs.getTitle()
4926                + ": sim=#" + Integer.toHexString(sim)
4927                + " attach=" + attached + " type=" + attrs.type
4928                + String.format(" flags=0x%08x", fl)
4929                + " pf=" + pf.toShortString() + " df=" + df.toShortString()
4930                + " of=" + of.toShortString()
4931                + " cf=" + cf.toShortString() + " vf=" + vf.toShortString()
4932                + " dcf=" + dcf.toShortString()
4933                + " sf=" + sf.toShortString()
4934                + " osf=" + (osf == null ? "null" : osf.toShortString()));
4935
4936        win.computeFrameLw(pf, df, of, cf, vf, dcf, sf, osf);
4937
4938        // Dock windows carve out the bottom of the screen, so normal windows
4939        // can't appear underneath them.
4940        if (attrs.type == TYPE_INPUT_METHOD && win.isVisibleOrBehindKeyguardLw()
4941                && win.isDisplayedLw() && !win.getGivenInsetsPendingLw()) {
4942            setLastInputMethodWindowLw(null, null);
4943            offsetInputMethodWindowLw(win);
4944        }
4945        if (attrs.type == TYPE_VOICE_INTERACTION && win.isVisibleOrBehindKeyguardLw()
4946                && !win.getGivenInsetsPendingLw()) {
4947            offsetVoiceInputWindowLw(win);
4948        }
4949    }
4950
4951    private void layoutWallpaper(WindowState win, Rect pf, Rect df, Rect of, Rect cf) {
4952
4953        // The wallpaper also has Real Ultimate Power, but we want to tell
4954        // it about the overscan area.
4955        pf.left = df.left = mOverscanScreenLeft;
4956        pf.top = df.top = mOverscanScreenTop;
4957        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4958        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4959        of.left = cf.left = mUnrestrictedScreenLeft;
4960        of.top = cf.top = mUnrestrictedScreenTop;
4961        of.right = cf.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4962        of.bottom = cf.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4963    }
4964
4965    private void offsetInputMethodWindowLw(WindowState win) {
4966        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4967        top += win.getGivenContentInsetsLw().top;
4968        if (mContentBottom > top) {
4969            mContentBottom = top;
4970        }
4971        if (mVoiceContentBottom > top) {
4972            mVoiceContentBottom = top;
4973        }
4974        top = win.getVisibleFrameLw().top;
4975        top += win.getGivenVisibleInsetsLw().top;
4976        if (mCurBottom > top) {
4977            mCurBottom = top;
4978        }
4979        if (DEBUG_LAYOUT) Slog.v(TAG, "Input method: mDockBottom="
4980                + mDockBottom + " mContentBottom="
4981                + mContentBottom + " mCurBottom=" + mCurBottom);
4982    }
4983
4984    private void offsetVoiceInputWindowLw(WindowState win) {
4985        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4986        top += win.getGivenContentInsetsLw().top;
4987        if (mVoiceContentBottom > top) {
4988            mVoiceContentBottom = top;
4989        }
4990    }
4991
4992    /** {@inheritDoc} */
4993    @Override
4994    public void finishLayoutLw() {
4995        return;
4996    }
4997
4998    /** {@inheritDoc} */
4999    @Override
5000    public void beginPostLayoutPolicyLw(int displayWidth, int displayHeight) {
5001        mTopFullscreenOpaqueWindowState = null;
5002        mTopFullscreenOpaqueOrDimmingWindowState = null;
5003        mTopDockedOpaqueWindowState = null;
5004        mTopDockedOpaqueOrDimmingWindowState = null;
5005        mAppsToBeHidden.clear();
5006        mAppsThatDismissKeyguard.clear();
5007        mForceStatusBar = false;
5008        mForceStatusBarFromKeyguard = false;
5009        mForceStatusBarTransparent = false;
5010        mForcingShowNavBar = false;
5011        mForcingShowNavBarLayer = -1;
5012
5013        mHideLockScreen = false;
5014        mAllowLockscreenWhenOn = false;
5015        mDismissKeyguard = DISMISS_KEYGUARD_NONE;
5016        mShowingLockscreen = false;
5017        mShowingDream = false;
5018        mWinShowWhenLocked = null;
5019        mKeyguardSecure = isKeyguardSecure(mCurrentUserId);
5020        mKeyguardSecureIncludingHidden = mKeyguardSecure
5021                && (mKeyguardDelegate != null && mKeyguardDelegate.isShowing());
5022    }
5023
5024    /** {@inheritDoc} */
5025    @Override
5026    public void applyPostLayoutPolicyLw(WindowState win, WindowManager.LayoutParams attrs,
5027            WindowState attached) {
5028        if (DEBUG_LAYOUT) Slog.i(TAG, "Win " + win + ": isVisibleOrBehindKeyguardLw="
5029                + win.isVisibleOrBehindKeyguardLw());
5030        final int fl = PolicyControl.getWindowFlags(win, attrs);
5031        if (mTopFullscreenOpaqueWindowState == null
5032                && win.isVisibleLw() && attrs.type == TYPE_INPUT_METHOD) {
5033            mForcingShowNavBar = true;
5034            mForcingShowNavBarLayer = win.getSurfaceLayer();
5035        }
5036        if (attrs.type == TYPE_STATUS_BAR) {
5037            if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
5038                mForceStatusBarFromKeyguard = true;
5039                mShowingLockscreen = true;
5040            }
5041            if ((attrs.privateFlags & PRIVATE_FLAG_FORCE_STATUS_BAR_VISIBLE_TRANSPARENT) != 0) {
5042                mForceStatusBarTransparent = true;
5043            }
5044        }
5045
5046        boolean appWindow = attrs.type >= FIRST_APPLICATION_WINDOW
5047                && attrs.type < FIRST_SYSTEM_WINDOW;
5048        final boolean showWhenLocked = (fl & FLAG_SHOW_WHEN_LOCKED) != 0;
5049        final boolean dismissKeyguard = (fl & FLAG_DISMISS_KEYGUARD) != 0;
5050        final int stackId = win.getStackId();
5051        if (mTopFullscreenOpaqueWindowState == null &&
5052                win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()) {
5053            if ((fl & FLAG_FORCE_NOT_FULLSCREEN) != 0) {
5054                if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
5055                    mForceStatusBarFromKeyguard = true;
5056                } else {
5057                    mForceStatusBar = true;
5058                }
5059            }
5060            if (attrs.type == TYPE_DREAM) {
5061                // If the lockscreen was showing when the dream started then wait
5062                // for the dream to draw before hiding the lockscreen.
5063                if (!mDreamingLockscreen
5064                        || (win.isVisibleLw() && win.hasDrawnLw())) {
5065                    mShowingDream = true;
5066                    appWindow = true;
5067                }
5068            }
5069
5070            final IApplicationToken appToken = win.getAppToken();
5071
5072            // For app windows that are not attached, we decide if all windows in the app they
5073            // represent should be hidden or if we should hide the lockscreen. For attached app
5074            // windows we defer the decision to the window it is attached to.
5075            if (appWindow && attached == null) {
5076                if (showWhenLocked) {
5077                    // Remove any previous windows with the same appToken.
5078                    mAppsToBeHidden.remove(appToken);
5079                    mAppsThatDismissKeyguard.remove(appToken);
5080                    if (mAppsToBeHidden.isEmpty()) {
5081                        if (dismissKeyguard && !mKeyguardSecure) {
5082                            mAppsThatDismissKeyguard.add(appToken);
5083                        } else if (win.isDrawnLw() || win.hasAppShownWindows()) {
5084                            mWinShowWhenLocked = win;
5085                            mHideLockScreen = true;
5086                            mForceStatusBarFromKeyguard = false;
5087                        }
5088                    }
5089                } else if (dismissKeyguard) {
5090                    if (mKeyguardSecure) {
5091                        mAppsToBeHidden.add(appToken);
5092                    } else {
5093                        mAppsToBeHidden.remove(appToken);
5094                    }
5095                    mAppsThatDismissKeyguard.add(appToken);
5096                } else {
5097                    mAppsToBeHidden.add(appToken);
5098                }
5099                if (isFullscreen(attrs) && StackId.normallyFullscreenWindows(stackId)) {
5100                    if (DEBUG_LAYOUT) Slog.v(TAG, "Fullscreen window: " + win);
5101                    mTopFullscreenOpaqueWindowState = win;
5102                    if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
5103                        mTopFullscreenOpaqueOrDimmingWindowState = win;
5104                    }
5105                    if (!mAppsThatDismissKeyguard.isEmpty() &&
5106                            mDismissKeyguard == DISMISS_KEYGUARD_NONE) {
5107                        if (DEBUG_LAYOUT) Slog.v(TAG,
5108                                "Setting mDismissKeyguard true by win " + win);
5109                        mDismissKeyguard = (mWinDismissingKeyguard == win
5110                                && mSecureDismissingKeyguard == mKeyguardSecure)
5111                                ? DISMISS_KEYGUARD_CONTINUE : DISMISS_KEYGUARD_START;
5112                        mWinDismissingKeyguard = win;
5113                        mSecureDismissingKeyguard = mKeyguardSecure;
5114                        mForceStatusBarFromKeyguard = mShowingLockscreen && mKeyguardSecure;
5115                    } else if (mAppsToBeHidden.isEmpty() && showWhenLocked
5116                            && (win.isDrawnLw() || win.hasAppShownWindows())) {
5117                        if (DEBUG_LAYOUT) Slog.v(TAG,
5118                                "Setting mHideLockScreen to true by win " + win);
5119                        mHideLockScreen = true;
5120                        mForceStatusBarFromKeyguard = false;
5121                    }
5122                    if ((fl & FLAG_ALLOW_LOCK_WHILE_SCREEN_ON) != 0) {
5123                        mAllowLockscreenWhenOn = true;
5124                    }
5125                }
5126
5127                if (!mKeyguardHidden && mWinShowWhenLocked != null &&
5128                        mWinShowWhenLocked.getAppToken() != win.getAppToken() &&
5129                        (attrs.flags & FLAG_SHOW_WHEN_LOCKED) == 0) {
5130                    win.hideLw(false);
5131                }
5132            }
5133        } else if (mTopFullscreenOpaqueWindowState == null && mWinShowWhenLocked == null) {
5134            // No TopFullscreenOpaqueWindow is showing, but we found a SHOW_WHEN_LOCKED window
5135            // that is being hidden in an animation - keep the
5136            // keyguard hidden until the new window shows up and
5137            // we know whether to show the keyguard or not.
5138            if (win.isAnimatingLw() && appWindow && showWhenLocked && mKeyguardHidden) {
5139                mHideLockScreen = true;
5140                mWinShowWhenLocked = win;
5141            }
5142        }
5143
5144        final boolean reallyVisible = win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw();
5145
5146        // Voice interaction overrides both top fullscreen and top docked.
5147        if (reallyVisible && win.getAttrs().type == TYPE_VOICE_INTERACTION) {
5148            if (mTopFullscreenOpaqueWindowState == null) {
5149                mTopFullscreenOpaqueWindowState = win;
5150                if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
5151                    mTopFullscreenOpaqueOrDimmingWindowState = win;
5152                }
5153            }
5154            if (mTopDockedOpaqueWindowState == null) {
5155                mTopDockedOpaqueWindowState = win;
5156                if (mTopDockedOpaqueOrDimmingWindowState == null) {
5157                    mTopDockedOpaqueOrDimmingWindowState = win;
5158                }
5159            }
5160        }
5161
5162        // Keep track of the window if it's dimming but not necessarily fullscreen.
5163        if (mTopFullscreenOpaqueOrDimmingWindowState == null && reallyVisible
5164                && win.isDimming() && StackId.normallyFullscreenWindows(stackId)) {
5165            mTopFullscreenOpaqueOrDimmingWindowState = win;
5166        }
5167
5168        // We need to keep track of the top "fullscreen" opaque window for the docked stack
5169        // separately, because both the "real fullscreen" opaque window and the one for the docked
5170        // stack can control View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR.
5171        if (mTopDockedOpaqueWindowState == null && reallyVisible && appWindow && attached == null
5172                && isFullscreen(attrs) && stackId == DOCKED_STACK_ID) {
5173            mTopDockedOpaqueWindowState = win;
5174            if (mTopDockedOpaqueOrDimmingWindowState == null) {
5175                mTopDockedOpaqueOrDimmingWindowState = win;
5176            }
5177        }
5178
5179        // Also keep track of any windows that are dimming but not necessarily fullscreen in the
5180        // docked stack.
5181        if (mTopDockedOpaqueOrDimmingWindowState == null && reallyVisible && win.isDimming()
5182                && stackId == DOCKED_STACK_ID) {
5183            mTopDockedOpaqueOrDimmingWindowState = win;
5184        }
5185    }
5186
5187    private boolean isFullscreen(WindowManager.LayoutParams attrs) {
5188        return attrs.x == 0 && attrs.y == 0
5189                && attrs.width == WindowManager.LayoutParams.MATCH_PARENT
5190                && attrs.height == WindowManager.LayoutParams.MATCH_PARENT;
5191    }
5192
5193    /** {@inheritDoc} */
5194    @Override
5195    public int finishPostLayoutPolicyLw() {
5196        if (mWinShowWhenLocked != null && mTopFullscreenOpaqueWindowState != null &&
5197                mWinShowWhenLocked.getAppToken() != mTopFullscreenOpaqueWindowState.getAppToken()
5198                && isKeyguardLocked()) {
5199            // A dialog is dismissing the keyguard. Put the wallpaper behind it and hide the
5200            // fullscreen window.
5201            // TODO: Make sure FLAG_SHOW_WALLPAPER is restored when dialog is dismissed. Or not.
5202            mWinShowWhenLocked.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
5203            mTopFullscreenOpaqueWindowState.hideLw(false);
5204            mTopFullscreenOpaqueWindowState = mWinShowWhenLocked;
5205        }
5206
5207        int changes = 0;
5208        boolean topIsFullscreen = false;
5209
5210        final WindowManager.LayoutParams lp = (mTopFullscreenOpaqueWindowState != null)
5211                ? mTopFullscreenOpaqueWindowState.getAttrs()
5212                : null;
5213
5214        // If we are not currently showing a dream then remember the current
5215        // lockscreen state.  We will use this to determine whether the dream
5216        // started while the lockscreen was showing and remember this state
5217        // while the dream is showing.
5218        if (!mShowingDream) {
5219            mDreamingLockscreen = mShowingLockscreen;
5220            if (mDreamingSleepTokenNeeded) {
5221                mDreamingSleepTokenNeeded = false;
5222                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 0, 1).sendToTarget();
5223            }
5224        } else {
5225            if (!mDreamingSleepTokenNeeded) {
5226                mDreamingSleepTokenNeeded = true;
5227                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 1, 1).sendToTarget();
5228            }
5229        }
5230
5231        if (mStatusBar != null) {
5232            if (DEBUG_LAYOUT) Slog.i(TAG, "force=" + mForceStatusBar
5233                    + " forcefkg=" + mForceStatusBarFromKeyguard
5234                    + " top=" + mTopFullscreenOpaqueWindowState);
5235            boolean shouldBeTransparent = mForceStatusBarTransparent
5236                    && !mForceStatusBar
5237                    && !mForceStatusBarFromKeyguard;
5238            if (!shouldBeTransparent) {
5239                mStatusBarController.setShowTransparent(false /* transparent */);
5240            } else if (!mStatusBar.isVisibleLw()) {
5241                mStatusBarController.setShowTransparent(true /* transparent */);
5242            }
5243
5244            WindowManager.LayoutParams statusBarAttrs = mStatusBar.getAttrs();
5245            boolean statusBarExpanded = statusBarAttrs.height == MATCH_PARENT
5246                    && statusBarAttrs.width == MATCH_PARENT;
5247            if (mForceStatusBar || mForceStatusBarFromKeyguard || mForceStatusBarTransparent
5248                    || statusBarExpanded) {
5249                if (DEBUG_LAYOUT) Slog.v(TAG, "Showing status bar: forced");
5250                if (mStatusBarController.setBarShowingLw(true)) {
5251                    changes |= FINISH_LAYOUT_REDO_LAYOUT;
5252                }
5253                // Maintain fullscreen layout until incoming animation is complete.
5254                topIsFullscreen = mTopIsFullscreen && mStatusBar.isAnimatingLw();
5255                // Transient status bar on the lockscreen is not allowed
5256                if (mForceStatusBarFromKeyguard && mStatusBarController.isTransientShowing()) {
5257                    mStatusBarController.updateVisibilityLw(false /*transientAllowed*/,
5258                            mLastSystemUiFlags, mLastSystemUiFlags);
5259                }
5260                if (statusBarExpanded && mNavigationBar != null) {
5261                    if (mNavigationBarController.setBarShowingLw(true)) {
5262                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5263                    }
5264                }
5265            } else if (mTopFullscreenOpaqueWindowState != null) {
5266                final int fl = PolicyControl.getWindowFlags(null, lp);
5267                if (localLOGV) {
5268                    Slog.d(TAG, "frame: " + mTopFullscreenOpaqueWindowState.getFrameLw()
5269                            + " shown position: "
5270                            + mTopFullscreenOpaqueWindowState.getShownPositionLw());
5271                    Slog.d(TAG, "attr: " + mTopFullscreenOpaqueWindowState.getAttrs()
5272                            + " lp.flags=0x" + Integer.toHexString(fl));
5273                }
5274                topIsFullscreen = (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0
5275                        || (mLastSystemUiFlags & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
5276                // The subtle difference between the window for mTopFullscreenOpaqueWindowState
5277                // and mTopIsFullscreen is that mTopIsFullscreen is set only if the window
5278                // has the FLAG_FULLSCREEN set.  Not sure if there is another way that to be the
5279                // case though.
5280                if (mStatusBarController.isTransientShowing()) {
5281                    if (mStatusBarController.setBarShowingLw(true)) {
5282                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5283                    }
5284                } else if (topIsFullscreen
5285                        && !mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID)
5286                        && !mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID)) {
5287                    if (DEBUG_LAYOUT) Slog.v(TAG, "** HIDING status bar");
5288                    if (mStatusBarController.setBarShowingLw(false)) {
5289                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5290                    } else {
5291                        if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar already hiding");
5292                    }
5293                } else {
5294                    if (DEBUG_LAYOUT) Slog.v(TAG, "** SHOWING status bar: top is not fullscreen");
5295                    if (mStatusBarController.setBarShowingLw(true)) {
5296                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5297                    }
5298                }
5299            }
5300        }
5301
5302        if (mTopIsFullscreen != topIsFullscreen) {
5303            if (!topIsFullscreen) {
5304                // Force another layout when status bar becomes fully shown.
5305                changes |= FINISH_LAYOUT_REDO_LAYOUT;
5306            }
5307            mTopIsFullscreen = topIsFullscreen;
5308        }
5309
5310        // Hide the key guard if a visible window explicitly specifies that it wants to be
5311        // displayed when the screen is locked.
5312        if (mKeyguardDelegate != null && mStatusBar != null) {
5313            if (localLOGV) Slog.v(TAG, "finishPostLayoutPolicyLw: mHideKeyguard="
5314                    + mHideLockScreen);
5315            if (mDismissKeyguard != DISMISS_KEYGUARD_NONE && !mKeyguardSecure) {
5316                mKeyguardHidden = true;
5317                if (setKeyguardOccludedLw(true)) {
5318                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5319                            | FINISH_LAYOUT_REDO_CONFIG
5320                            | FINISH_LAYOUT_REDO_WALLPAPER;
5321                }
5322                if (mKeyguardDelegate.isShowing()) {
5323                    mHandler.post(new Runnable() {
5324                        @Override
5325                        public void run() {
5326                            mKeyguardDelegate.keyguardDone(false, false);
5327                        }
5328                    });
5329                }
5330            } else if (mHideLockScreen) {
5331                mKeyguardHidden = true;
5332                mWinDismissingKeyguard = null;
5333                if (setKeyguardOccludedLw(true)) {
5334                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5335                            | FINISH_LAYOUT_REDO_CONFIG
5336                            | FINISH_LAYOUT_REDO_WALLPAPER;
5337                }
5338            } else if (mDismissKeyguard != DISMISS_KEYGUARD_NONE) {
5339                mKeyguardHidden = false;
5340                if (setKeyguardOccludedLw(false)) {
5341                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5342                            | FINISH_LAYOUT_REDO_CONFIG
5343                            | FINISH_LAYOUT_REDO_WALLPAPER;
5344                }
5345                if (mDismissKeyguard == DISMISS_KEYGUARD_START) {
5346                    // Only launch the next keyguard unlock window once per window.
5347                    mHandler.post(new Runnable() {
5348                        @Override
5349                        public void run() {
5350                            mKeyguardDelegate.dismiss();
5351                        }
5352                    });
5353                }
5354            } else {
5355                mWinDismissingKeyguard = null;
5356                mSecureDismissingKeyguard = false;
5357                mKeyguardHidden = false;
5358                if (setKeyguardOccludedLw(false)) {
5359                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5360                            | FINISH_LAYOUT_REDO_CONFIG
5361                            | FINISH_LAYOUT_REDO_WALLPAPER;
5362                }
5363            }
5364        }
5365
5366        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
5367            // If the navigation bar has been hidden or shown, we need to do another
5368            // layout pass to update that window.
5369            changes |= FINISH_LAYOUT_REDO_LAYOUT;
5370        }
5371
5372        // update since mAllowLockscreenWhenOn might have changed
5373        updateLockScreenTimeout();
5374        return changes;
5375    }
5376
5377    /**
5378     * Updates the occluded state of the Keyguard.
5379     *
5380     * @return Whether the flags have changed and we have to redo the layout.
5381     */
5382    private boolean setKeyguardOccludedLw(boolean isOccluded) {
5383        boolean wasOccluded = mKeyguardOccluded;
5384        boolean showing = mKeyguardDelegate.isShowing();
5385        if (wasOccluded && !isOccluded && showing) {
5386            mKeyguardOccluded = false;
5387            mKeyguardDelegate.setOccluded(false);
5388            mStatusBar.getAttrs().privateFlags |= PRIVATE_FLAG_KEYGUARD;
5389            return true;
5390        } else if (!wasOccluded && isOccluded && showing) {
5391            mKeyguardOccluded = true;
5392            mKeyguardDelegate.setOccluded(true);
5393            mStatusBar.getAttrs().privateFlags &= ~PRIVATE_FLAG_KEYGUARD;
5394            mStatusBar.getAttrs().flags &= ~FLAG_SHOW_WALLPAPER;
5395            return true;
5396        } else {
5397            return false;
5398        }
5399    }
5400
5401    private boolean isStatusBarKeyguard() {
5402        return mStatusBar != null
5403                && (mStatusBar.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
5404    }
5405
5406    @Override
5407    public boolean allowAppAnimationsLw() {
5408        if (isStatusBarKeyguard() || mShowingDream) {
5409            // If keyguard or dreams is currently visible, no reason to animate behind it.
5410            return false;
5411        }
5412        return true;
5413    }
5414
5415    @Override
5416    public int focusChangedLw(WindowState lastFocus, WindowState newFocus) {
5417        mFocusedWindow = newFocus;
5418        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
5419            // If the navigation bar has been hidden or shown, we need to do another
5420            // layout pass to update that window.
5421            return FINISH_LAYOUT_REDO_LAYOUT;
5422        }
5423        return 0;
5424    }
5425
5426    /** {@inheritDoc} */
5427    @Override
5428    public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
5429        // lid changed state
5430        final int newLidState = lidOpen ? LID_OPEN : LID_CLOSED;
5431        if (newLidState == mLidState) {
5432            return;
5433        }
5434
5435        mLidState = newLidState;
5436        applyLidSwitchState();
5437        updateRotation(true);
5438
5439        if (lidOpen) {
5440            wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromLidSwitch,
5441                    "android.policy:LID");
5442        } else if (!mLidControlsSleep) {
5443            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
5444        }
5445    }
5446
5447    @Override
5448    public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) {
5449        int lensCoverState = lensCovered ? CAMERA_LENS_COVERED : CAMERA_LENS_UNCOVERED;
5450        if (mCameraLensCoverState == lensCoverState) {
5451            return;
5452        }
5453        if (mCameraLensCoverState == CAMERA_LENS_COVERED &&
5454                lensCoverState == CAMERA_LENS_UNCOVERED) {
5455            Intent intent;
5456            final boolean keyguardActive = mKeyguardDelegate == null ? false :
5457                    mKeyguardDelegate.isShowing();
5458            if (keyguardActive) {
5459                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);
5460            } else {
5461                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
5462            }
5463            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromCameraLens,
5464                    "android.policy:CAMERA_COVER");
5465            startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
5466        }
5467        mCameraLensCoverState = lensCoverState;
5468    }
5469
5470    void setHdmiPlugged(boolean plugged) {
5471        if (mHdmiPlugged != plugged) {
5472            mHdmiPlugged = plugged;
5473            updateRotation(true, true);
5474            Intent intent = new Intent(ACTION_HDMI_PLUGGED);
5475            intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
5476            intent.putExtra(EXTRA_HDMI_PLUGGED_STATE, plugged);
5477            mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
5478        }
5479    }
5480
5481    void initializeHdmiState() {
5482        boolean plugged = false;
5483        // watch for HDMI plug messages if the hdmi switch exists
5484        if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
5485            mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
5486
5487            final String filename = "/sys/class/switch/hdmi/state";
5488            FileReader reader = null;
5489            try {
5490                reader = new FileReader(filename);
5491                char[] buf = new char[15];
5492                int n = reader.read(buf);
5493                if (n > 1) {
5494                    plugged = 0 != Integer.parseInt(new String(buf, 0, n-1));
5495                }
5496            } catch (IOException ex) {
5497                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
5498            } catch (NumberFormatException ex) {
5499                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
5500            } finally {
5501                if (reader != null) {
5502                    try {
5503                        reader.close();
5504                    } catch (IOException ex) {
5505                    }
5506                }
5507            }
5508        }
5509        // This dance forces the code in setHdmiPlugged to run.
5510        // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
5511        mHdmiPlugged = !plugged;
5512        setHdmiPlugged(!mHdmiPlugged);
5513    }
5514
5515    final Object mScreenshotLock = new Object();
5516    ServiceConnection mScreenshotConnection = null;
5517
5518    final Runnable mScreenshotTimeout = new Runnable() {
5519        @Override public void run() {
5520            synchronized (mScreenshotLock) {
5521                if (mScreenshotConnection != null) {
5522                    mContext.unbindService(mScreenshotConnection);
5523                    mScreenshotConnection = null;
5524                    notifyScreenshotError();
5525                }
5526            }
5527        }
5528    };
5529
5530    // Assume this is called from the Handler thread.
5531    private void takeScreenshot(final int screenshotType) {
5532        synchronized (mScreenshotLock) {
5533            if (mScreenshotConnection != null) {
5534                return;
5535            }
5536            final ComponentName serviceComponent = new ComponentName(SYSUI_PACKAGE,
5537                    SYSUI_SCREENSHOT_SERVICE);
5538            final Intent serviceIntent = new Intent();
5539            serviceIntent.setComponent(serviceComponent);
5540            ServiceConnection conn = new ServiceConnection() {
5541                @Override
5542                public void onServiceConnected(ComponentName name, IBinder service) {
5543                    synchronized (mScreenshotLock) {
5544                        if (mScreenshotConnection != this) {
5545                            return;
5546                        }
5547                        Messenger messenger = new Messenger(service);
5548                        Message msg = Message.obtain(null, screenshotType);
5549                        final ServiceConnection myConn = this;
5550                        Handler h = new Handler(mHandler.getLooper()) {
5551                            @Override
5552                            public void handleMessage(Message msg) {
5553                                synchronized (mScreenshotLock) {
5554                                    if (mScreenshotConnection == myConn) {
5555                                        mContext.unbindService(mScreenshotConnection);
5556                                        mScreenshotConnection = null;
5557                                        mHandler.removeCallbacks(mScreenshotTimeout);
5558                                    }
5559                                }
5560                            }
5561                        };
5562                        msg.replyTo = new Messenger(h);
5563                        msg.arg1 = msg.arg2 = 0;
5564                        if (mStatusBar != null && mStatusBar.isVisibleLw())
5565                            msg.arg1 = 1;
5566                        if (mNavigationBar != null && mNavigationBar.isVisibleLw())
5567                            msg.arg2 = 1;
5568                        try {
5569                            messenger.send(msg);
5570                        } catch (RemoteException e) {
5571                        }
5572                    }
5573                }
5574
5575                @Override
5576                public void onServiceDisconnected(ComponentName name) {
5577                    notifyScreenshotError();
5578                }
5579            };
5580            if (mContext.bindServiceAsUser(serviceIntent, conn,
5581                    Context.BIND_AUTO_CREATE | Context.BIND_FOREGROUND_SERVICE_WHILE_AWAKE,
5582                    UserHandle.CURRENT)) {
5583                mScreenshotConnection = conn;
5584                mHandler.postDelayed(mScreenshotTimeout, 10000);
5585            }
5586        }
5587    }
5588
5589    /**
5590     * Notifies the screenshot service to show an error.
5591     */
5592    private void notifyScreenshotError() {
5593        // If the service process is killed, then ask it to clean up after itself
5594        final ComponentName errorComponent = new ComponentName(SYSUI_PACKAGE,
5595                SYSUI_SCREENSHOT_ERROR_RECEIVER);
5596        Intent errorIntent = new Intent(Intent.ACTION_USER_PRESENT);
5597        errorIntent.setComponent(errorComponent);
5598        errorIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT |
5599                Intent.FLAG_RECEIVER_FOREGROUND);
5600        mContext.sendBroadcastAsUser(errorIntent, UserHandle.CURRENT);
5601    }
5602
5603    /** {@inheritDoc} */
5604    @Override
5605    public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) {
5606        if (!mSystemBooted) {
5607            // If we have not yet booted, don't let key events do anything.
5608            return 0;
5609        }
5610
5611        final boolean interactive = (policyFlags & FLAG_INTERACTIVE) != 0;
5612        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
5613        final boolean canceled = event.isCanceled();
5614        final int keyCode = event.getKeyCode();
5615
5616        final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;
5617
5618        // If screen is off then we treat the case where the keyguard is open but hidden
5619        // the same as if it were open and in front.
5620        // This will prevent any keys other than the power button from waking the screen
5621        // when the keyguard is hidden by another activity.
5622        final boolean keyguardActive = (mKeyguardDelegate == null ? false :
5623                                            (interactive ?
5624                                                isKeyguardShowingAndNotOccluded() :
5625                                                mKeyguardDelegate.isShowing()));
5626
5627        if (DEBUG_INPUT) {
5628            Log.d(TAG, "interceptKeyTq keycode=" + keyCode
5629                    + " interactive=" + interactive + " keyguardActive=" + keyguardActive
5630                    + " policyFlags=" + Integer.toHexString(policyFlags));
5631        }
5632
5633        // Basic policy based on interactive state.
5634        int result;
5635        boolean isWakeKey = (policyFlags & WindowManagerPolicy.FLAG_WAKE) != 0
5636                || event.isWakeKey();
5637        if (interactive || (isInjected && !isWakeKey)) {
5638            // When the device is interactive or the key is injected pass the
5639            // key to the application.
5640            result = ACTION_PASS_TO_USER;
5641            isWakeKey = false;
5642
5643            if (interactive) {
5644                // If the screen is awake, but the button pressed was the one that woke the device
5645                // then don't pass it to the application
5646                if (keyCode == mPendingWakeKey && !down) {
5647                    result = 0;
5648                }
5649                // Reset the pending key
5650                mPendingWakeKey = PENDING_KEY_NULL;
5651            }
5652        } else if (!interactive && shouldDispatchInputWhenNonInteractive(event)) {
5653            // If we're currently dozing with the screen on and the keyguard showing, pass the key
5654            // to the application but preserve its wake key status to make sure we still move
5655            // from dozing to fully interactive if we would normally go from off to fully
5656            // interactive.
5657            result = ACTION_PASS_TO_USER;
5658            // Since we're dispatching the input, reset the pending key
5659            mPendingWakeKey = PENDING_KEY_NULL;
5660        } else {
5661            // When the screen is off and the key is not injected, determine whether
5662            // to wake the device but don't pass the key to the application.
5663            result = 0;
5664            if (isWakeKey && (!down || !isWakeKeyWhenScreenOff(keyCode))) {
5665                isWakeKey = false;
5666            }
5667            // Cache the wake key on down event so we can also avoid sending the up event to the app
5668            if (isWakeKey && down) {
5669                mPendingWakeKey = keyCode;
5670            }
5671        }
5672
5673        // If the key would be handled globally, just return the result, don't worry about special
5674        // key processing.
5675        if (isValidGlobalKey(keyCode)
5676                && mGlobalKeyManager.shouldHandleGlobalKey(keyCode, event)) {
5677            if (isWakeKey) {
5678                wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5679            }
5680            return result;
5681        }
5682
5683        boolean useHapticFeedback = down
5684                && (policyFlags & WindowManagerPolicy.FLAG_VIRTUAL) != 0
5685                && event.getRepeatCount() == 0;
5686
5687        // Handle special keys.
5688        switch (keyCode) {
5689            case KeyEvent.KEYCODE_BACK: {
5690                if (down) {
5691                    interceptBackKeyDown();
5692                } else {
5693                    boolean handled = interceptBackKeyUp(event);
5694
5695                    // Don't pass back press to app if we've already handled it via long press
5696                    if (handled) {
5697                        result &= ~ACTION_PASS_TO_USER;
5698                    }
5699                }
5700                break;
5701            }
5702
5703            case KeyEvent.KEYCODE_VOLUME_DOWN:
5704            case KeyEvent.KEYCODE_VOLUME_UP:
5705            case KeyEvent.KEYCODE_VOLUME_MUTE: {
5706                if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
5707                    if (down) {
5708                        if (interactive && !mScreenshotChordVolumeDownKeyTriggered
5709                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5710                            mScreenshotChordVolumeDownKeyTriggered = true;
5711                            mScreenshotChordVolumeDownKeyTime = event.getDownTime();
5712                            mScreenshotChordVolumeDownKeyConsumed = false;
5713                            cancelPendingPowerKeyAction();
5714                            interceptScreenshotChord();
5715                        }
5716                    } else {
5717                        mScreenshotChordVolumeDownKeyTriggered = false;
5718                        cancelPendingScreenshotChordAction();
5719                    }
5720                } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
5721                    if (down) {
5722                        if (interactive && !mScreenshotChordVolumeUpKeyTriggered
5723                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5724                            mScreenshotChordVolumeUpKeyTriggered = true;
5725                            cancelPendingPowerKeyAction();
5726                            cancelPendingScreenshotChordAction();
5727                        }
5728                    } else {
5729                        mScreenshotChordVolumeUpKeyTriggered = false;
5730                        cancelPendingScreenshotChordAction();
5731                    }
5732                }
5733                if (down) {
5734                    TelecomManager telecomManager = getTelecommService();
5735                    if (telecomManager != null) {
5736                        if (telecomManager.isRinging()) {
5737                            // If an incoming call is ringing, either VOLUME key means
5738                            // "silence ringer".  We handle these keys here, rather than
5739                            // in the InCallScreen, to make sure we'll respond to them
5740                            // even if the InCallScreen hasn't come to the foreground yet.
5741                            // Look for the DOWN event here, to agree with the "fallback"
5742                            // behavior in the InCallScreen.
5743                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5744                                  + " VOLUME key-down while ringing: Silence ringer!");
5745
5746                            // Silence the ringer.  (It's safe to call this
5747                            // even if the ringer has already been silenced.)
5748                            telecomManager.silenceRinger();
5749
5750                            // And *don't* pass this key thru to the current activity
5751                            // (which is probably the InCallScreen.)
5752                            result &= ~ACTION_PASS_TO_USER;
5753                            break;
5754                        }
5755                        if (telecomManager.isInCall()
5756                                && (result & ACTION_PASS_TO_USER) == 0) {
5757                            // If we are in call but we decided not to pass the key to
5758                            // the application, just pass it to the session service.
5759
5760                            MediaSessionLegacyHelper.getHelper(mContext)
5761                                    .sendVolumeKeyEvent(event, false);
5762                            break;
5763                        }
5764                    }
5765                }
5766                if (mUseTvRouting) {
5767                    // On TVs, defer special key handlings to
5768                    // {@link interceptKeyBeforeDispatching()}.
5769                    result |= ACTION_PASS_TO_USER;
5770                } else if ((result & ACTION_PASS_TO_USER) == 0) {
5771                    // If we aren't passing to the user and no one else
5772                    // handled it send it to the session manager to
5773                    // figure out.
5774                    MediaSessionLegacyHelper.getHelper(mContext)
5775                            .sendVolumeKeyEvent(event, true);
5776                }
5777                break;
5778            }
5779
5780            case KeyEvent.KEYCODE_ENDCALL: {
5781                result &= ~ACTION_PASS_TO_USER;
5782                if (down) {
5783                    TelecomManager telecomManager = getTelecommService();
5784                    boolean hungUp = false;
5785                    if (telecomManager != null) {
5786                        hungUp = telecomManager.endCall();
5787                    }
5788                    if (interactive && !hungUp) {
5789                        mEndCallKeyHandled = false;
5790                        mHandler.postDelayed(mEndCallLongPress,
5791                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
5792                    } else {
5793                        mEndCallKeyHandled = true;
5794                    }
5795                } else {
5796                    if (!mEndCallKeyHandled) {
5797                        mHandler.removeCallbacks(mEndCallLongPress);
5798                        if (!canceled) {
5799                            if ((mEndcallBehavior
5800                                    & Settings.System.END_BUTTON_BEHAVIOR_HOME) != 0) {
5801                                if (goHome()) {
5802                                    break;
5803                                }
5804                            }
5805                            if ((mEndcallBehavior
5806                                    & Settings.System.END_BUTTON_BEHAVIOR_SLEEP) != 0) {
5807                                mPowerManager.goToSleep(event.getEventTime(),
5808                                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
5809                                isWakeKey = false;
5810                            }
5811                        }
5812                    }
5813                }
5814                break;
5815            }
5816
5817            case KeyEvent.KEYCODE_POWER: {
5818                result &= ~ACTION_PASS_TO_USER;
5819                isWakeKey = false; // wake-up will be handled separately
5820                if (down) {
5821                    interceptPowerKeyDown(event, interactive);
5822                } else {
5823                    interceptPowerKeyUp(event, interactive, canceled);
5824                }
5825                break;
5826            }
5827
5828            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_DOWN:
5829                // fall through
5830            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_UP:
5831                // fall through
5832            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_LEFT:
5833                // fall through
5834            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_RIGHT: {
5835                result &= ~ACTION_PASS_TO_USER;
5836                interceptSystemNavigationKey(event);
5837                break;
5838            }
5839
5840            case KeyEvent.KEYCODE_SLEEP: {
5841                result &= ~ACTION_PASS_TO_USER;
5842                isWakeKey = false;
5843                if (!mPowerManager.isInteractive()) {
5844                    useHapticFeedback = false; // suppress feedback if already non-interactive
5845                }
5846                if (down) {
5847                    sleepPress(event.getEventTime());
5848                } else {
5849                    sleepRelease(event.getEventTime());
5850                }
5851                break;
5852            }
5853
5854            case KeyEvent.KEYCODE_SOFT_SLEEP: {
5855                result &= ~ACTION_PASS_TO_USER;
5856                isWakeKey = false;
5857                if (!down) {
5858                    mPowerManagerInternal.setUserInactiveOverrideFromWindowManager();
5859                }
5860                break;
5861            }
5862
5863            case KeyEvent.KEYCODE_WAKEUP: {
5864                result &= ~ACTION_PASS_TO_USER;
5865                isWakeKey = true;
5866                break;
5867            }
5868
5869            case KeyEvent.KEYCODE_MEDIA_PLAY:
5870            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5871            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5872            case KeyEvent.KEYCODE_HEADSETHOOK:
5873            case KeyEvent.KEYCODE_MUTE:
5874            case KeyEvent.KEYCODE_MEDIA_STOP:
5875            case KeyEvent.KEYCODE_MEDIA_NEXT:
5876            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5877            case KeyEvent.KEYCODE_MEDIA_REWIND:
5878            case KeyEvent.KEYCODE_MEDIA_RECORD:
5879            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5880            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: {
5881                if (MediaSessionLegacyHelper.getHelper(mContext).isGlobalPriorityActive()) {
5882                    // If the global session is active pass all media keys to it
5883                    // instead of the active window.
5884                    result &= ~ACTION_PASS_TO_USER;
5885                }
5886                if ((result & ACTION_PASS_TO_USER) == 0) {
5887                    // Only do this if we would otherwise not pass it to the user. In that
5888                    // case, the PhoneWindow class will do the same thing, except it will
5889                    // only do it if the showing app doesn't process the key on its own.
5890                    // Note that we need to make a copy of the key event here because the
5891                    // original key event will be recycled when we return.
5892                    mBroadcastWakeLock.acquire();
5893                    Message msg = mHandler.obtainMessage(MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK,
5894                            new KeyEvent(event));
5895                    msg.setAsynchronous(true);
5896                    msg.sendToTarget();
5897                }
5898                break;
5899            }
5900
5901            case KeyEvent.KEYCODE_CALL: {
5902                if (down) {
5903                    TelecomManager telecomManager = getTelecommService();
5904                    if (telecomManager != null) {
5905                        if (telecomManager.isRinging()) {
5906                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5907                                  + " CALL key-down while ringing: Answer the call!");
5908                            telecomManager.acceptRingingCall();
5909
5910                            // And *don't* pass this key thru to the current activity
5911                            // (which is presumably the InCallScreen.)
5912                            result &= ~ACTION_PASS_TO_USER;
5913                        }
5914                    }
5915                }
5916                break;
5917            }
5918            case KeyEvent.KEYCODE_VOICE_ASSIST: {
5919                // Only do this if we would otherwise not pass it to the user. In that case,
5920                // interceptKeyBeforeDispatching would apply a similar but different policy in
5921                // order to invoke voice assist actions. Note that we need to make a copy of the
5922                // key event here because the original key event will be recycled when we return.
5923                if ((result & ACTION_PASS_TO_USER) == 0 && !down) {
5924                    mBroadcastWakeLock.acquire();
5925                    Message msg = mHandler.obtainMessage(MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK,
5926                            keyguardActive ? 1 : 0, 0);
5927                    msg.setAsynchronous(true);
5928                    msg.sendToTarget();
5929                }
5930                break;
5931            }
5932            case KeyEvent.KEYCODE_WINDOW: {
5933                if (mShortPressWindowBehavior == SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE) {
5934                    if (mTvPictureInPictureVisible) {
5935                        // Consumes the key only if picture-in-picture is visible
5936                        // to show picture-in-picture control menu.
5937                        // This gives a chance to the foreground activity
5938                        // to customize PIP key behavior.
5939                        if (!down) {
5940                            showTvPictureInPictureMenu(event);
5941                        }
5942                        result &= ~ACTION_PASS_TO_USER;
5943                    }
5944                }
5945                break;
5946            }
5947        }
5948
5949        if (useHapticFeedback) {
5950            performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
5951        }
5952
5953        if (isWakeKey) {
5954            wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5955        }
5956
5957        return result;
5958    }
5959
5960    /**
5961     * Handle statusbar expansion events.
5962     * @param event
5963     */
5964    private void interceptSystemNavigationKey(KeyEvent event) {
5965        if (event.getAction() == KeyEvent.ACTION_UP && areSystemNavigationKeysEnabled()) {
5966            IStatusBarService sbar = getStatusBarService();
5967            if (sbar != null) {
5968                try {
5969                    sbar.handleSystemNavigationKey(event.getKeyCode());
5970                } catch (RemoteException e1) {
5971                    // oops, no statusbar. Ignore event.
5972                }
5973            }
5974        }
5975    }
5976
5977    /**
5978     * Returns true if the key can have global actions attached to it.
5979     * We reserve all power management keys for the system since they require
5980     * very careful handling.
5981     */
5982    private static boolean isValidGlobalKey(int keyCode) {
5983        switch (keyCode) {
5984            case KeyEvent.KEYCODE_POWER:
5985            case KeyEvent.KEYCODE_WAKEUP:
5986            case KeyEvent.KEYCODE_SLEEP:
5987                return false;
5988            default:
5989                return true;
5990        }
5991    }
5992
5993    /**
5994     * When the screen is off we ignore some keys that might otherwise typically
5995     * be considered wake keys.  We filter them out here.
5996     *
5997     * {@link KeyEvent#KEYCODE_POWER} is notably absent from this list because it
5998     * is always considered a wake key.
5999     */
6000    private boolean isWakeKeyWhenScreenOff(int keyCode) {
6001        switch (keyCode) {
6002            // ignore volume keys unless docked
6003            case KeyEvent.KEYCODE_VOLUME_UP:
6004            case KeyEvent.KEYCODE_VOLUME_DOWN:
6005            case KeyEvent.KEYCODE_VOLUME_MUTE:
6006                return mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;
6007
6008            // ignore media and camera keys
6009            case KeyEvent.KEYCODE_MUTE:
6010            case KeyEvent.KEYCODE_HEADSETHOOK:
6011            case KeyEvent.KEYCODE_MEDIA_PLAY:
6012            case KeyEvent.KEYCODE_MEDIA_PAUSE:
6013            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
6014            case KeyEvent.KEYCODE_MEDIA_STOP:
6015            case KeyEvent.KEYCODE_MEDIA_NEXT:
6016            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
6017            case KeyEvent.KEYCODE_MEDIA_REWIND:
6018            case KeyEvent.KEYCODE_MEDIA_RECORD:
6019            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
6020            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK:
6021            case KeyEvent.KEYCODE_CAMERA:
6022                return false;
6023        }
6024        return true;
6025    }
6026
6027
6028    /** {@inheritDoc} */
6029    @Override
6030    public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) {
6031        if ((policyFlags & FLAG_WAKE) != 0) {
6032            if (wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotion,
6033                    "android.policy:MOTION")) {
6034                return 0;
6035            }
6036        }
6037
6038        if (shouldDispatchInputWhenNonInteractive(null)) {
6039            return ACTION_PASS_TO_USER;
6040        }
6041
6042        // If we have not passed the action up and we are in theater mode without dreaming,
6043        // there will be no dream to intercept the touch and wake into ambient.  The device should
6044        // wake up in this case.
6045        if (isTheaterModeEnabled() && (policyFlags & FLAG_WAKE) != 0) {
6046            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotionWhenNotDreaming,
6047                    "android.policy:MOTION");
6048        }
6049
6050        return 0;
6051    }
6052
6053    private boolean shouldDispatchInputWhenNonInteractive(KeyEvent event) {
6054        final boolean displayOff = (mDisplay == null || mDisplay.getState() == Display.STATE_OFF);
6055
6056        if (displayOff && !mHasFeatureWatch) {
6057            return false;
6058        }
6059
6060        // Send events to keyguard while the screen is on and it's showing.
6061        if (isKeyguardShowingAndNotOccluded() && !displayOff) {
6062            return true;
6063        }
6064
6065        // Watches handle BACK specially
6066        if (mHasFeatureWatch
6067                && event != null
6068                && (event.getKeyCode() == KeyEvent.KEYCODE_BACK
6069                        || event.getKeyCode() == KeyEvent.KEYCODE_STEM_PRIMARY)) {
6070            return false;
6071        }
6072
6073        // Send events to a dozing dream even if the screen is off since the dream
6074        // is in control of the state of the screen.
6075        IDreamManager dreamManager = getDreamManager();
6076
6077        try {
6078            if (dreamManager != null && dreamManager.isDreaming()) {
6079                return true;
6080            }
6081        } catch (RemoteException e) {
6082            Slog.e(TAG, "RemoteException when checking if dreaming", e);
6083        }
6084
6085        // Otherwise, consume events since the user can't see what is being
6086        // interacted with.
6087        return false;
6088    }
6089
6090    private void dispatchDirectAudioEvent(KeyEvent event) {
6091        if (event.getAction() != KeyEvent.ACTION_DOWN) {
6092            return;
6093        }
6094        int keyCode = event.getKeyCode();
6095        int flags = AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_PLAY_SOUND
6096                | AudioManager.FLAG_FROM_KEY;
6097        String pkgName = mContext.getOpPackageName();
6098        switch (keyCode) {
6099            case KeyEvent.KEYCODE_VOLUME_UP:
6100                try {
6101                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_RAISE,
6102                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6103                } catch (RemoteException e) {
6104                    Log.e(TAG, "Error dispatching volume up in dispatchTvAudioEvent.", e);
6105                }
6106                break;
6107            case KeyEvent.KEYCODE_VOLUME_DOWN:
6108                try {
6109                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_LOWER,
6110                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6111                } catch (RemoteException e) {
6112                    Log.e(TAG, "Error dispatching volume down in dispatchTvAudioEvent.", e);
6113                }
6114                break;
6115            case KeyEvent.KEYCODE_VOLUME_MUTE:
6116                try {
6117                    if (event.getRepeatCount() == 0) {
6118                        getAudioService().adjustSuggestedStreamVolume(
6119                                AudioManager.ADJUST_TOGGLE_MUTE,
6120                                AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6121                    }
6122                } catch (RemoteException e) {
6123                    Log.e(TAG, "Error dispatching mute in dispatchTvAudioEvent.", e);
6124                }
6125                break;
6126        }
6127    }
6128
6129    void dispatchMediaKeyWithWakeLock(KeyEvent event) {
6130        if (DEBUG_INPUT) {
6131            Slog.d(TAG, "dispatchMediaKeyWithWakeLock: " + event);
6132        }
6133
6134        if (mHavePendingMediaKeyRepeatWithWakeLock) {
6135            if (DEBUG_INPUT) {
6136                Slog.d(TAG, "dispatchMediaKeyWithWakeLock: canceled repeat");
6137            }
6138
6139            mHandler.removeMessages(MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK);
6140            mHavePendingMediaKeyRepeatWithWakeLock = false;
6141            mBroadcastWakeLock.release(); // pending repeat was holding onto the wake lock
6142        }
6143
6144        dispatchMediaKeyWithWakeLockToAudioService(event);
6145
6146        if (event.getAction() == KeyEvent.ACTION_DOWN
6147                && event.getRepeatCount() == 0) {
6148            mHavePendingMediaKeyRepeatWithWakeLock = true;
6149
6150            Message msg = mHandler.obtainMessage(
6151                    MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK, event);
6152            msg.setAsynchronous(true);
6153            mHandler.sendMessageDelayed(msg, ViewConfiguration.getKeyRepeatTimeout());
6154        } else {
6155            mBroadcastWakeLock.release();
6156        }
6157    }
6158
6159    void dispatchMediaKeyRepeatWithWakeLock(KeyEvent event) {
6160        mHavePendingMediaKeyRepeatWithWakeLock = false;
6161
6162        KeyEvent repeatEvent = KeyEvent.changeTimeRepeat(event,
6163                SystemClock.uptimeMillis(), 1, event.getFlags() | KeyEvent.FLAG_LONG_PRESS);
6164        if (DEBUG_INPUT) {
6165            Slog.d(TAG, "dispatchMediaKeyRepeatWithWakeLock: " + repeatEvent);
6166        }
6167
6168        dispatchMediaKeyWithWakeLockToAudioService(repeatEvent);
6169        mBroadcastWakeLock.release();
6170    }
6171
6172    void dispatchMediaKeyWithWakeLockToAudioService(KeyEvent event) {
6173        if (ActivityManagerNative.isSystemReady()) {
6174            MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(event, true);
6175        }
6176    }
6177
6178    void launchVoiceAssistWithWakeLock(boolean keyguardActive) {
6179        IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
6180                ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
6181        if (dic != null) {
6182            try {
6183                dic.exitIdle("voice-search");
6184            } catch (RemoteException e) {
6185            }
6186        }
6187        Intent voiceIntent =
6188            new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
6189        voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, keyguardActive);
6190        startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
6191        mBroadcastWakeLock.release();
6192    }
6193
6194    BroadcastReceiver mDockReceiver = new BroadcastReceiver() {
6195        @Override
6196        public void onReceive(Context context, Intent intent) {
6197            if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
6198                mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
6199                        Intent.EXTRA_DOCK_STATE_UNDOCKED);
6200            } else {
6201                try {
6202                    IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
6203                            ServiceManager.getService(Context.UI_MODE_SERVICE));
6204                    mUiMode = uiModeService.getCurrentModeType();
6205                } catch (RemoteException e) {
6206                }
6207            }
6208            updateRotation(true);
6209            synchronized (mLock) {
6210                updateOrientationListenerLp();
6211            }
6212        }
6213    };
6214
6215    BroadcastReceiver mDreamReceiver = new BroadcastReceiver() {
6216        @Override
6217        public void onReceive(Context context, Intent intent) {
6218            if (Intent.ACTION_DREAMING_STARTED.equals(intent.getAction())) {
6219                if (mKeyguardDelegate != null) {
6220                    mKeyguardDelegate.onDreamingStarted();
6221                }
6222            } else if (Intent.ACTION_DREAMING_STOPPED.equals(intent.getAction())) {
6223                if (mKeyguardDelegate != null) {
6224                    mKeyguardDelegate.onDreamingStopped();
6225                }
6226            }
6227        }
6228    };
6229
6230    BroadcastReceiver mMultiuserReceiver = new BroadcastReceiver() {
6231        @Override
6232        public void onReceive(Context context, Intent intent) {
6233            if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) {
6234                // tickle the settings observer: this first ensures that we're
6235                // observing the relevant settings for the newly-active user,
6236                // and then updates our own bookkeeping based on the now-
6237                // current user.
6238                mSettingsObserver.onChange(false);
6239
6240                // force a re-application of focused window sysui visibility.
6241                // the window may never have been shown for this user
6242                // e.g. the keyguard when going through the new-user setup flow
6243                synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6244                    mLastSystemUiFlags = 0;
6245                    updateSystemUiVisibilityLw();
6246                }
6247            }
6248        }
6249    };
6250
6251    private final Runnable mHiddenNavPanic = new Runnable() {
6252        @Override
6253        public void run() {
6254            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6255                if (!isUserSetupComplete()) {
6256                    // Swipe-up for navigation bar is disabled during setup
6257                    return;
6258                }
6259                mPendingPanicGestureUptime = SystemClock.uptimeMillis();
6260                if (!isNavBarEmpty(mLastSystemUiFlags)) {
6261                    mNavigationBarController.showTransient();
6262                }
6263            }
6264        }
6265    };
6266
6267    private void requestTransientBars(WindowState swipeTarget) {
6268        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6269            if (!isUserSetupComplete()) {
6270                // Swipe-up for navigation bar is disabled during setup
6271                return;
6272            }
6273            boolean sb = mStatusBarController.checkShowTransientBarLw();
6274            boolean nb = mNavigationBarController.checkShowTransientBarLw()
6275                    && !isNavBarEmpty(mLastSystemUiFlags);
6276            if (sb || nb) {
6277                // Don't show status bar when swiping on already visible navigation bar
6278                if (!nb && swipeTarget == mNavigationBar) {
6279                    if (DEBUG) Slog.d(TAG, "Not showing transient bar, wrong swipe target");
6280                    return;
6281                }
6282                if (sb) mStatusBarController.showTransient();
6283                if (nb) mNavigationBarController.showTransient();
6284                mImmersiveModeConfirmation.confirmCurrentPrompt();
6285                updateSystemUiVisibilityLw();
6286            }
6287        }
6288    }
6289
6290    // Called on the PowerManager's Notifier thread.
6291    @Override
6292    public void startedGoingToSleep(int why) {
6293        if (DEBUG_WAKEUP) Slog.i(TAG, "Started going to sleep... (why=" + why + ")");
6294        mCameraGestureTriggeredDuringGoingToSleep = false;
6295        mGoingToSleep = true;
6296        if (mKeyguardDelegate != null) {
6297            mKeyguardDelegate.onStartedGoingToSleep(why);
6298        }
6299    }
6300
6301    // Called on the PowerManager's Notifier thread.
6302    @Override
6303    public void finishedGoingToSleep(int why) {
6304        EventLog.writeEvent(70000, 0);
6305        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished going to sleep... (why=" + why + ")");
6306        MetricsLogger.histogram(mContext, "screen_timeout", mLockScreenTimeout / 1000);
6307
6308        mGoingToSleep = false;
6309
6310        // We must get this work done here because the power manager will drop
6311        // the wake lock and let the system suspend once this function returns.
6312        synchronized (mLock) {
6313            mAwake = false;
6314            updateWakeGestureListenerLp();
6315            updateOrientationListenerLp();
6316            updateLockScreenTimeout();
6317        }
6318        if (mKeyguardDelegate != null) {
6319            mKeyguardDelegate.onFinishedGoingToSleep(why,
6320                    mCameraGestureTriggeredDuringGoingToSleep);
6321        }
6322        mCameraGestureTriggeredDuringGoingToSleep = false;
6323    }
6324
6325    // Called on the PowerManager's Notifier thread.
6326    @Override
6327    public void startedWakingUp() {
6328        EventLog.writeEvent(70000, 1);
6329        if (DEBUG_WAKEUP) Slog.i(TAG, "Started waking up...");
6330
6331        // Since goToSleep performs these functions synchronously, we must
6332        // do the same here.  We cannot post this work to a handler because
6333        // that might cause it to become reordered with respect to what
6334        // may happen in a future call to goToSleep.
6335        synchronized (mLock) {
6336            mAwake = true;
6337
6338            updateWakeGestureListenerLp();
6339            updateOrientationListenerLp();
6340            updateLockScreenTimeout();
6341        }
6342
6343        if (mKeyguardDelegate != null) {
6344            mKeyguardDelegate.onStartedWakingUp();
6345        }
6346    }
6347
6348    // Called on the PowerManager's Notifier thread.
6349    @Override
6350    public void finishedWakingUp() {
6351        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished waking up...");
6352    }
6353
6354    private void wakeUpFromPowerKey(long eventTime) {
6355        wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey, "android.policy:POWER");
6356    }
6357
6358    private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode, String reason) {
6359        final boolean theaterModeEnabled = isTheaterModeEnabled();
6360        if (!wakeInTheaterMode && theaterModeEnabled) {
6361            return false;
6362        }
6363
6364        if (theaterModeEnabled) {
6365            Settings.Global.putInt(mContext.getContentResolver(),
6366                    Settings.Global.THEATER_MODE_ON, 0);
6367        }
6368
6369        mPowerManager.wakeUp(wakeTime, reason);
6370        return true;
6371    }
6372
6373    private void finishKeyguardDrawn() {
6374        synchronized (mLock) {
6375            if (!mScreenOnEarly || mKeyguardDrawComplete) {
6376                return; // We are not awake yet or we have already informed of this event.
6377            }
6378
6379            mKeyguardDrawComplete = true;
6380            if (mKeyguardDelegate != null) {
6381                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
6382            }
6383            mWindowManagerDrawComplete = false;
6384        }
6385
6386        // ... eventually calls finishWindowsDrawn which will finalize our screen turn on
6387        // as well as enabling the orientation change logic/sensor.
6388        mWindowManagerInternal.waitForAllWindowsDrawn(mWindowManagerDrawCallback,
6389                WAITING_FOR_DRAWN_TIMEOUT);
6390    }
6391
6392    // Called on the DisplayManager's DisplayPowerController thread.
6393    @Override
6394    public void screenTurnedOff() {
6395        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turned off...");
6396
6397        updateScreenOffSleepToken(true);
6398        synchronized (mLock) {
6399            mScreenOnEarly = false;
6400            mScreenOnFully = false;
6401            mKeyguardDrawComplete = false;
6402            mWindowManagerDrawComplete = false;
6403            mScreenOnListener = null;
6404            updateOrientationListenerLp();
6405
6406            if (mKeyguardDelegate != null) {
6407                mKeyguardDelegate.onScreenTurnedOff();
6408            }
6409        }
6410    }
6411
6412    // Called on the DisplayManager's DisplayPowerController thread.
6413    @Override
6414    public void screenTurningOn(final ScreenOnListener screenOnListener) {
6415        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turning on...");
6416
6417        updateScreenOffSleepToken(false);
6418        synchronized (mLock) {
6419            mScreenOnEarly = true;
6420            mScreenOnFully = false;
6421            mKeyguardDrawComplete = false;
6422            mWindowManagerDrawComplete = false;
6423            mScreenOnListener = screenOnListener;
6424
6425            if (mKeyguardDelegate != null) {
6426                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
6427                mHandler.sendEmptyMessageDelayed(MSG_KEYGUARD_DRAWN_TIMEOUT, 1000);
6428                mKeyguardDelegate.onScreenTurningOn(mKeyguardDrawnCallback);
6429            } else {
6430                if (DEBUG_WAKEUP) Slog.d(TAG,
6431                        "null mKeyguardDelegate: setting mKeyguardDrawComplete.");
6432                finishKeyguardDrawn();
6433            }
6434        }
6435    }
6436
6437    // Called on the DisplayManager's DisplayPowerController thread.
6438    @Override
6439    public void screenTurnedOn() {
6440        synchronized (mLock) {
6441            if (mKeyguardDelegate != null) {
6442                mKeyguardDelegate.onScreenTurnedOn();
6443            }
6444        }
6445    }
6446
6447    private void finishWindowsDrawn() {
6448        synchronized (mLock) {
6449            if (!mScreenOnEarly || mWindowManagerDrawComplete) {
6450                return; // Screen is not turned on or we did already handle this case earlier.
6451            }
6452
6453            mWindowManagerDrawComplete = true;
6454        }
6455
6456        finishScreenTurningOn();
6457    }
6458
6459    private void finishScreenTurningOn() {
6460        synchronized (mLock) {
6461            // We have just finished drawing screen content. Since the orientation listener
6462            // gets only installed when all windows are drawn, we try to install it again.
6463            updateOrientationListenerLp();
6464        }
6465        final ScreenOnListener listener;
6466        final boolean enableScreen;
6467        synchronized (mLock) {
6468            if (DEBUG_WAKEUP) Slog.d(TAG,
6469                    "finishScreenTurningOn: mAwake=" + mAwake
6470                            + ", mScreenOnEarly=" + mScreenOnEarly
6471                            + ", mScreenOnFully=" + mScreenOnFully
6472                            + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
6473                            + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
6474
6475            if (mScreenOnFully || !mScreenOnEarly || !mWindowManagerDrawComplete
6476                    || (mAwake && !mKeyguardDrawComplete)) {
6477                return; // spurious or not ready yet
6478            }
6479
6480            if (DEBUG_WAKEUP) Slog.i(TAG, "Finished screen turning on...");
6481            listener = mScreenOnListener;
6482            mScreenOnListener = null;
6483            mScreenOnFully = true;
6484
6485            // Remember the first time we draw the keyguard so we know when we're done with
6486            // the main part of booting and can enable the screen and hide boot messages.
6487            if (!mKeyguardDrawnOnce && mAwake) {
6488                mKeyguardDrawnOnce = true;
6489                enableScreen = true;
6490                if (mBootMessageNeedsHiding) {
6491                    mBootMessageNeedsHiding = false;
6492                    hideBootMessages();
6493                }
6494            } else {
6495                enableScreen = false;
6496            }
6497        }
6498
6499        if (listener != null) {
6500            listener.onScreenOn();
6501        }
6502
6503        if (enableScreen) {
6504            try {
6505                mWindowManager.enableScreenIfNeeded();
6506            } catch (RemoteException unhandled) {
6507            }
6508        }
6509    }
6510
6511    private void handleHideBootMessage() {
6512        synchronized (mLock) {
6513            if (!mKeyguardDrawnOnce) {
6514                mBootMessageNeedsHiding = true;
6515                return; // keyguard hasn't drawn the first time yet, not done booting
6516            }
6517        }
6518
6519        if (mBootMsgDialog != null) {
6520            if (DEBUG_WAKEUP) Slog.d(TAG, "handleHideBootMessage: dismissing");
6521            mBootMsgDialog.dismiss();
6522            mBootMsgDialog = null;
6523        }
6524    }
6525
6526    @Override
6527    public boolean isScreenOn() {
6528        return mScreenOnFully;
6529    }
6530
6531    /** {@inheritDoc} */
6532    @Override
6533    public void enableKeyguard(boolean enabled) {
6534        if (mKeyguardDelegate != null) {
6535            mKeyguardDelegate.setKeyguardEnabled(enabled);
6536        }
6537    }
6538
6539    /** {@inheritDoc} */
6540    @Override
6541    public void exitKeyguardSecurely(OnKeyguardExitResult callback) {
6542        if (mKeyguardDelegate != null) {
6543            mKeyguardDelegate.verifyUnlock(callback);
6544        }
6545    }
6546
6547    @Override
6548    public boolean isKeyguardShowingAndNotOccluded() {
6549        if (mKeyguardDelegate == null) return false;
6550        return mKeyguardDelegate.isShowing() && !mKeyguardOccluded;
6551    }
6552
6553    /** {@inheritDoc} */
6554    @Override
6555    public boolean isKeyguardLocked() {
6556        return keyguardOn();
6557    }
6558
6559    /** {@inheritDoc} */
6560    @Override
6561    public boolean isKeyguardSecure(int userId) {
6562        if (mKeyguardDelegate == null) return false;
6563        return mKeyguardDelegate.isSecure(userId);
6564    }
6565
6566    /** {@inheritDoc} */
6567    @Override
6568    public boolean isKeyguardShowingOrOccluded() {
6569        return mKeyguardDelegate == null ? false : mKeyguardDelegate.isShowing();
6570    }
6571
6572    /** {@inheritDoc} */
6573    @Override
6574    public boolean inKeyguardRestrictedKeyInputMode() {
6575        if (mKeyguardDelegate == null) return false;
6576        return mKeyguardDelegate.isInputRestricted();
6577    }
6578
6579    @Override
6580    public void dismissKeyguardLw() {
6581        if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
6582            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.dismissKeyguardLw");
6583            mHandler.post(new Runnable() {
6584                @Override
6585                public void run() {
6586                    // ask the keyguard to prompt the user to authenticate if necessary
6587                    mKeyguardDelegate.dismiss();
6588                }
6589            });
6590        }
6591    }
6592
6593    @Override
6594    public void notifyActivityDrawnForKeyguardLw() {
6595        if (mKeyguardDelegate != null) {
6596            mHandler.post(new Runnable() {
6597                @Override
6598                public void run() {
6599                    mKeyguardDelegate.onActivityDrawn();
6600                }
6601            });
6602        }
6603    }
6604
6605    @Override
6606    public boolean isKeyguardDrawnLw() {
6607        synchronized (mLock) {
6608            return mKeyguardDrawnOnce;
6609        }
6610    }
6611
6612    @Override
6613    public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
6614        if (mKeyguardDelegate != null) {
6615            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.startKeyguardExitAnimation");
6616            mKeyguardDelegate.startKeyguardExitAnimation(startTime, fadeoutDuration);
6617        }
6618    }
6619
6620    @Override
6621    public void getStableInsetsLw(int displayRotation, int displayWidth, int displayHeight,
6622            Rect outInsets) {
6623        outInsets.setEmpty();
6624
6625        // Navigation bar and status bar.
6626        getNonDecorInsetsLw(displayRotation, displayWidth, displayHeight, outInsets);
6627        if (mStatusBar != null) {
6628            outInsets.top = mStatusBarHeight;
6629        }
6630    }
6631
6632    @Override
6633    public void getNonDecorInsetsLw(int displayRotation, int displayWidth, int displayHeight,
6634            Rect outInsets) {
6635        outInsets.setEmpty();
6636
6637        // Only navigation bar
6638        if (mNavigationBar != null) {
6639            int position = navigationBarPosition(displayWidth, displayHeight, displayRotation);
6640            if (position == NAV_BAR_BOTTOM) {
6641                outInsets.bottom = getNavigationBarHeight(displayRotation, mUiMode);
6642            } else if (position == NAV_BAR_RIGHT) {
6643                outInsets.right = getNavigationBarWidth(displayRotation, mUiMode);
6644            } else if (position == NAV_BAR_LEFT) {
6645                outInsets.left = getNavigationBarWidth(displayRotation, mUiMode);
6646            }
6647        }
6648    }
6649
6650    @Override
6651    public boolean isNavBarForcedShownLw(WindowState windowState) {
6652        return mForceShowSystemBars;
6653    }
6654
6655    @Override
6656    public boolean isDockSideAllowed(int dockSide) {
6657
6658        // We do not allow all dock sides at which the navigation bar touches the docked stack.
6659        if (!mNavigationBarCanMove) {
6660            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT || dockSide == DOCKED_RIGHT;
6661        } else {
6662            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT;
6663        }
6664    }
6665
6666    void sendCloseSystemWindows() {
6667        PhoneWindow.sendCloseSystemWindows(mContext, null);
6668    }
6669
6670    void sendCloseSystemWindows(String reason) {
6671        PhoneWindow.sendCloseSystemWindows(mContext, reason);
6672    }
6673
6674    @Override
6675    public int rotationForOrientationLw(int orientation, int lastRotation) {
6676        if (false) {
6677            Slog.v(TAG, "rotationForOrientationLw(orient="
6678                        + orientation + ", last=" + lastRotation
6679                        + "); user=" + mUserRotation + " "
6680                        + ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED)
6681                            ? "USER_ROTATION_LOCKED" : "")
6682                        );
6683        }
6684
6685        if (mForceDefaultOrientation) {
6686            return Surface.ROTATION_0;
6687        }
6688
6689        synchronized (mLock) {
6690            int sensorRotation = mOrientationListener.getProposedRotation(); // may be -1
6691            if (sensorRotation < 0) {
6692                sensorRotation = lastRotation;
6693            }
6694
6695            final int preferredRotation;
6696            if (mLidState == LID_OPEN && mLidOpenRotation >= 0) {
6697                // Ignore sensor when lid switch is open and rotation is forced.
6698                preferredRotation = mLidOpenRotation;
6699            } else if (mDockMode == Intent.EXTRA_DOCK_STATE_CAR
6700                    && (mCarDockEnablesAccelerometer || mCarDockRotation >= 0)) {
6701                // Ignore sensor when in car dock unless explicitly enabled.
6702                // This case can override the behavior of NOSENSOR, and can also
6703                // enable 180 degree rotation while docked.
6704                preferredRotation = mCarDockEnablesAccelerometer
6705                        ? sensorRotation : mCarDockRotation;
6706            } else if ((mDockMode == Intent.EXTRA_DOCK_STATE_DESK
6707                    || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
6708                    || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK)
6709                    && (mDeskDockEnablesAccelerometer || mDeskDockRotation >= 0)) {
6710                // Ignore sensor when in desk dock unless explicitly enabled.
6711                // This case can override the behavior of NOSENSOR, and can also
6712                // enable 180 degree rotation while docked.
6713                preferredRotation = mDeskDockEnablesAccelerometer
6714                        ? sensorRotation : mDeskDockRotation;
6715            } else if (mHdmiPlugged && mDemoHdmiRotationLock) {
6716                // Ignore sensor when plugged into HDMI when demo HDMI rotation lock enabled.
6717                // Note that the dock orientation overrides the HDMI orientation.
6718                preferredRotation = mDemoHdmiRotation;
6719            } else if (mHdmiPlugged && mDockMode == Intent.EXTRA_DOCK_STATE_UNDOCKED
6720                    && mUndockedHdmiRotation >= 0) {
6721                // Ignore sensor when plugged into HDMI and an undocked orientation has
6722                // been specified in the configuration (only for legacy devices without
6723                // full multi-display support).
6724                // Note that the dock orientation overrides the HDMI orientation.
6725                preferredRotation = mUndockedHdmiRotation;
6726            } else if (mDemoRotationLock) {
6727                // Ignore sensor when demo rotation lock is enabled.
6728                // Note that the dock orientation and HDMI rotation lock override this.
6729                preferredRotation = mDemoRotation;
6730            } else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {
6731                // Application just wants to remain locked in the last rotation.
6732                preferredRotation = lastRotation;
6733            } else if (!mSupportAutoRotation) {
6734                // If we don't support auto-rotation then bail out here and ignore
6735                // the sensor and any rotation lock settings.
6736                preferredRotation = -1;
6737            } else if ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE
6738                            && (orientation == ActivityInfo.SCREEN_ORIENTATION_USER
6739                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
6740                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
6741                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT
6742                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER))
6743                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
6744                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
6745                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE
6746                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) {
6747                // Otherwise, use sensor only if requested by the application or enabled
6748                // by default for USER or UNSPECIFIED modes.  Does not apply to NOSENSOR.
6749                if (mAllowAllRotations < 0) {
6750                    // Can't read this during init() because the context doesn't
6751                    // have display metrics at that time so we cannot determine
6752                    // tablet vs. phone then.
6753                    mAllowAllRotations = mContext.getResources().getBoolean(
6754                            com.android.internal.R.bool.config_allowAllRotations) ? 1 : 0;
6755                }
6756                if (sensorRotation != Surface.ROTATION_180
6757                        || mAllowAllRotations == 1
6758                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
6759                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER) {
6760                    preferredRotation = sensorRotation;
6761                } else {
6762                    preferredRotation = lastRotation;
6763                }
6764            } else if (mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED
6765                    && orientation != ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
6766                // Apply rotation lock.  Does not apply to NOSENSOR.
6767                // The idea is that the user rotation expresses a weak preference for the direction
6768                // of gravity and as NOSENSOR is never affected by gravity, then neither should
6769                // NOSENSOR be affected by rotation lock (although it will be affected by docks).
6770                preferredRotation = mUserRotation;
6771            } else {
6772                // No overriding preference.
6773                // We will do exactly what the application asked us to do.
6774                preferredRotation = -1;
6775            }
6776
6777            switch (orientation) {
6778                case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6779                    // Return portrait unless overridden.
6780                    if (isAnyPortrait(preferredRotation)) {
6781                        return preferredRotation;
6782                    }
6783                    return mPortraitRotation;
6784
6785                case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6786                    // Return landscape unless overridden.
6787                    if (isLandscapeOrSeascape(preferredRotation)) {
6788                        return preferredRotation;
6789                    }
6790                    return mLandscapeRotation;
6791
6792                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6793                    // Return reverse portrait unless overridden.
6794                    if (isAnyPortrait(preferredRotation)) {
6795                        return preferredRotation;
6796                    }
6797                    return mUpsideDownRotation;
6798
6799                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6800                    // Return seascape unless overridden.
6801                    if (isLandscapeOrSeascape(preferredRotation)) {
6802                        return preferredRotation;
6803                    }
6804                    return mSeascapeRotation;
6805
6806                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6807                case ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE:
6808                    // Return either landscape rotation.
6809                    if (isLandscapeOrSeascape(preferredRotation)) {
6810                        return preferredRotation;
6811                    }
6812                    if (isLandscapeOrSeascape(lastRotation)) {
6813                        return lastRotation;
6814                    }
6815                    return mLandscapeRotation;
6816
6817                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6818                case ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT:
6819                    // Return either portrait rotation.
6820                    if (isAnyPortrait(preferredRotation)) {
6821                        return preferredRotation;
6822                    }
6823                    if (isAnyPortrait(lastRotation)) {
6824                        return lastRotation;
6825                    }
6826                    return mPortraitRotation;
6827
6828                default:
6829                    // For USER, UNSPECIFIED, NOSENSOR, SENSOR and FULL_SENSOR,
6830                    // just return the preferred orientation we already calculated.
6831                    if (preferredRotation >= 0) {
6832                        return preferredRotation;
6833                    }
6834                    return Surface.ROTATION_0;
6835            }
6836        }
6837    }
6838
6839    @Override
6840    public boolean rotationHasCompatibleMetricsLw(int orientation, int rotation) {
6841        switch (orientation) {
6842            case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6843            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6844            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6845                return isAnyPortrait(rotation);
6846
6847            case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6848            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6849            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6850                return isLandscapeOrSeascape(rotation);
6851
6852            default:
6853                return true;
6854        }
6855    }
6856
6857    @Override
6858    public void setRotationLw(int rotation) {
6859        mOrientationListener.setCurrentRotation(rotation);
6860    }
6861
6862    private boolean isLandscapeOrSeascape(int rotation) {
6863        return rotation == mLandscapeRotation || rotation == mSeascapeRotation;
6864    }
6865
6866    private boolean isAnyPortrait(int rotation) {
6867        return rotation == mPortraitRotation || rotation == mUpsideDownRotation;
6868    }
6869
6870    @Override
6871    public int getUserRotationMode() {
6872        return Settings.System.getIntForUser(mContext.getContentResolver(),
6873                Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
6874                        WindowManagerPolicy.USER_ROTATION_FREE :
6875                                WindowManagerPolicy.USER_ROTATION_LOCKED;
6876    }
6877
6878    // User rotation: to be used when all else fails in assigning an orientation to the device
6879    @Override
6880    public void setUserRotationMode(int mode, int rot) {
6881        ContentResolver res = mContext.getContentResolver();
6882
6883        // mUserRotationMode and mUserRotation will be assigned by the content observer
6884        if (mode == WindowManagerPolicy.USER_ROTATION_LOCKED) {
6885            Settings.System.putIntForUser(res,
6886                    Settings.System.USER_ROTATION,
6887                    rot,
6888                    UserHandle.USER_CURRENT);
6889            Settings.System.putIntForUser(res,
6890                    Settings.System.ACCELEROMETER_ROTATION,
6891                    0,
6892                    UserHandle.USER_CURRENT);
6893        } else {
6894            Settings.System.putIntForUser(res,
6895                    Settings.System.ACCELEROMETER_ROTATION,
6896                    1,
6897                    UserHandle.USER_CURRENT);
6898        }
6899    }
6900
6901    @Override
6902    public void setSafeMode(boolean safeMode) {
6903        mSafeMode = safeMode;
6904        performHapticFeedbackLw(null, safeMode
6905                ? HapticFeedbackConstants.SAFE_MODE_ENABLED
6906                : HapticFeedbackConstants.SAFE_MODE_DISABLED, true);
6907    }
6908
6909    static long[] getLongIntArray(Resources r, int resid) {
6910        int[] ar = r.getIntArray(resid);
6911        if (ar == null) {
6912            return null;
6913        }
6914        long[] out = new long[ar.length];
6915        for (int i=0; i<ar.length; i++) {
6916            out[i] = ar[i];
6917        }
6918        return out;
6919    }
6920
6921    /** {@inheritDoc} */
6922    @Override
6923    public void systemReady() {
6924        mKeyguardDelegate = new KeyguardServiceDelegate(mContext);
6925        mKeyguardDelegate.onSystemReady();
6926
6927        readCameraLensCoverState();
6928        updateUiMode();
6929        boolean bindKeyguardNow;
6930        synchronized (mLock) {
6931            updateOrientationListenerLp();
6932            mSystemReady = true;
6933            mHandler.post(new Runnable() {
6934                @Override
6935                public void run() {
6936                    updateSettings();
6937                }
6938            });
6939
6940            bindKeyguardNow = mDeferBindKeyguard;
6941            if (bindKeyguardNow) {
6942                // systemBooted ran but wasn't able to bind to the Keyguard, we'll do it now.
6943                mDeferBindKeyguard = false;
6944            }
6945        }
6946
6947        if (bindKeyguardNow) {
6948            mKeyguardDelegate.bindService(mContext);
6949            mKeyguardDelegate.onBootCompleted();
6950        }
6951        mSystemGestures.systemReady();
6952        mImmersiveModeConfirmation.systemReady();
6953    }
6954
6955    /** {@inheritDoc} */
6956    @Override
6957    public void systemBooted() {
6958        boolean bindKeyguardNow = false;
6959        synchronized (mLock) {
6960            // Time to bind Keyguard; take care to only bind it once, either here if ready or
6961            // in systemReady if not.
6962            if (mKeyguardDelegate != null) {
6963                bindKeyguardNow = true;
6964            } else {
6965                // Because mKeyguardDelegate is null, we know that the synchronized block in
6966                // systemReady didn't run yet and setting this will actually have an effect.
6967                mDeferBindKeyguard = true;
6968            }
6969        }
6970        if (bindKeyguardNow) {
6971            mKeyguardDelegate.bindService(mContext);
6972            mKeyguardDelegate.onBootCompleted();
6973        }
6974        synchronized (mLock) {
6975            mSystemBooted = true;
6976        }
6977        startedWakingUp();
6978        screenTurningOn(null);
6979        screenTurnedOn();
6980    }
6981
6982    ProgressDialog mBootMsgDialog = null;
6983
6984    /** {@inheritDoc} */
6985    @Override
6986    public void showBootMessage(final CharSequence msg, final boolean always) {
6987        mHandler.post(new Runnable() {
6988            @Override public void run() {
6989                if (mBootMsgDialog == null) {
6990                    int theme;
6991                    if (mContext.getPackageManager().hasSystemFeature(FEATURE_TELEVISION)) {
6992                        theme = com.android.internal.R.style.Theme_Leanback_Dialog_Alert;
6993                    } else {
6994                        theme = 0;
6995                    }
6996
6997                    mBootMsgDialog = new ProgressDialog(mContext, theme) {
6998                        // This dialog will consume all events coming in to
6999                        // it, to avoid it trying to do things too early in boot.
7000                        @Override public boolean dispatchKeyEvent(KeyEvent event) {
7001                            return true;
7002                        }
7003                        @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
7004                            return true;
7005                        }
7006                        @Override public boolean dispatchTouchEvent(MotionEvent ev) {
7007                            return true;
7008                        }
7009                        @Override public boolean dispatchTrackballEvent(MotionEvent ev) {
7010                            return true;
7011                        }
7012                        @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) {
7013                            return true;
7014                        }
7015                        @Override public boolean dispatchPopulateAccessibilityEvent(
7016                                AccessibilityEvent event) {
7017                            return true;
7018                        }
7019                    };
7020                    if (mContext.getPackageManager().isUpgrade()) {
7021                        mBootMsgDialog.setTitle(R.string.android_upgrading_title);
7022                    } else {
7023                        mBootMsgDialog.setTitle(R.string.android_start_title);
7024                    }
7025                    mBootMsgDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
7026                    mBootMsgDialog.setIndeterminate(true);
7027                    mBootMsgDialog.getWindow().setType(
7028                            WindowManager.LayoutParams.TYPE_BOOT_PROGRESS);
7029                    mBootMsgDialog.getWindow().addFlags(
7030                            WindowManager.LayoutParams.FLAG_DIM_BEHIND
7031                            | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
7032                    mBootMsgDialog.getWindow().setDimAmount(1);
7033                    WindowManager.LayoutParams lp = mBootMsgDialog.getWindow().getAttributes();
7034                    lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
7035                    mBootMsgDialog.getWindow().setAttributes(lp);
7036                    mBootMsgDialog.setCancelable(false);
7037                    mBootMsgDialog.show();
7038                }
7039                mBootMsgDialog.setMessage(msg);
7040            }
7041        });
7042    }
7043
7044    /** {@inheritDoc} */
7045    @Override
7046    public void hideBootMessages() {
7047        mHandler.sendEmptyMessage(MSG_HIDE_BOOT_MESSAGE);
7048    }
7049
7050    /** {@inheritDoc} */
7051    @Override
7052    public void userActivity() {
7053        // ***************************************
7054        // NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
7055        // ***************************************
7056        // THIS IS CALLED FROM DEEP IN THE POWER MANAGER
7057        // WITH ITS LOCKS HELD.
7058        //
7059        // This code must be VERY careful about the locks
7060        // it acquires.
7061        // In fact, the current code acquires way too many,
7062        // and probably has lurking deadlocks.
7063
7064        synchronized (mScreenLockTimeout) {
7065            if (mLockScreenTimerActive) {
7066                // reset the timer
7067                mHandler.removeCallbacks(mScreenLockTimeout);
7068                mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
7069            }
7070        }
7071    }
7072
7073    class ScreenLockTimeout implements Runnable {
7074        Bundle options;
7075
7076        @Override
7077        public void run() {
7078            synchronized (this) {
7079                if (localLOGV) Log.v(TAG, "mScreenLockTimeout activating keyguard");
7080                if (mKeyguardDelegate != null) {
7081                    mKeyguardDelegate.doKeyguardTimeout(options);
7082                }
7083                mLockScreenTimerActive = false;
7084                options = null;
7085            }
7086        }
7087
7088        public void setLockOptions(Bundle options) {
7089            this.options = options;
7090        }
7091    }
7092
7093    ScreenLockTimeout mScreenLockTimeout = new ScreenLockTimeout();
7094
7095    @Override
7096    public void lockNow(Bundle options) {
7097        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);
7098        mHandler.removeCallbacks(mScreenLockTimeout);
7099        if (options != null) {
7100            // In case multiple calls are made to lockNow, we don't wipe out the options
7101            // until the runnable actually executes.
7102            mScreenLockTimeout.setLockOptions(options);
7103        }
7104        mHandler.post(mScreenLockTimeout);
7105    }
7106
7107    private void updateLockScreenTimeout() {
7108        synchronized (mScreenLockTimeout) {
7109            boolean enable = (mAllowLockscreenWhenOn && mAwake &&
7110                    mKeyguardDelegate != null && mKeyguardDelegate.isSecure(mCurrentUserId));
7111            if (mLockScreenTimerActive != enable) {
7112                if (enable) {
7113                    if (localLOGV) Log.v(TAG, "setting lockscreen timer");
7114                    mHandler.removeCallbacks(mScreenLockTimeout); // remove any pending requests
7115                    mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
7116                } else {
7117                    if (localLOGV) Log.v(TAG, "clearing lockscreen timer");
7118                    mHandler.removeCallbacks(mScreenLockTimeout);
7119                }
7120                mLockScreenTimerActive = enable;
7121            }
7122        }
7123    }
7124
7125    private void updateDreamingSleepToken(boolean acquire) {
7126        if (acquire) {
7127            if (mDreamingSleepToken == null) {
7128                mDreamingSleepToken = mActivityManagerInternal.acquireSleepToken("Dream");
7129            }
7130        } else {
7131            if (mDreamingSleepToken != null) {
7132                mDreamingSleepToken.release();
7133                mDreamingSleepToken = null;
7134            }
7135        }
7136    }
7137
7138    private void updateScreenOffSleepToken(boolean acquire) {
7139        if (acquire) {
7140            if (mScreenOffSleepToken == null) {
7141                mScreenOffSleepToken = mActivityManagerInternal.acquireSleepToken("ScreenOff");
7142            }
7143        } else {
7144            if (mScreenOffSleepToken != null) {
7145                mScreenOffSleepToken.release();
7146                mScreenOffSleepToken = null;
7147            }
7148        }
7149    }
7150
7151    /** {@inheritDoc} */
7152    @Override
7153    public void enableScreenAfterBoot() {
7154        readLidState();
7155        applyLidSwitchState();
7156        updateRotation(true);
7157    }
7158
7159    private void applyLidSwitchState() {
7160        if (mLidState == LID_CLOSED && mLidControlsSleep) {
7161            mPowerManager.goToSleep(SystemClock.uptimeMillis(),
7162                    PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH,
7163                    PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
7164        } else if (mLidState == LID_CLOSED && mLidControlsScreenLock) {
7165            mWindowManagerFuncs.lockDeviceNow();
7166        }
7167
7168        synchronized (mLock) {
7169            updateWakeGestureListenerLp();
7170        }
7171    }
7172
7173    void updateUiMode() {
7174        if (mUiModeManager == null) {
7175            mUiModeManager = IUiModeManager.Stub.asInterface(
7176                    ServiceManager.getService(Context.UI_MODE_SERVICE));
7177        }
7178        try {
7179            mUiMode = mUiModeManager.getCurrentModeType();
7180        } catch (RemoteException e) {
7181        }
7182    }
7183
7184    void updateRotation(boolean alwaysSendConfiguration) {
7185        try {
7186            //set orientation on WindowManager
7187            mWindowManager.updateRotation(alwaysSendConfiguration, false);
7188        } catch (RemoteException e) {
7189            // Ignore
7190        }
7191    }
7192
7193    void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
7194        try {
7195            //set orientation on WindowManager
7196            mWindowManager.updateRotation(alwaysSendConfiguration, forceRelayout);
7197        } catch (RemoteException e) {
7198            // Ignore
7199        }
7200    }
7201
7202    /**
7203     * Return an Intent to launch the currently active dock app as home.  Returns
7204     * null if the standard home should be launched, which is the case if any of the following is
7205     * true:
7206     * <ul>
7207     *  <li>The device is not in either car mode or desk mode
7208     *  <li>The device is in car mode but mEnableCarDockHomeCapture is false
7209     *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
7210     *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
7211     *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
7212     * </ul>
7213     * @return A dock intent.
7214     */
7215    Intent createHomeDockIntent() {
7216        Intent intent = null;
7217
7218        // What home does is based on the mode, not the dock state.  That
7219        // is, when in car mode you should be taken to car home regardless
7220        // of whether we are actually in a car dock.
7221        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
7222            if (mEnableCarDockHomeCapture) {
7223                intent = mCarDockIntent;
7224            }
7225        } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
7226            if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
7227                intent = mDeskDockIntent;
7228            }
7229        } else if (mUiMode == Configuration.UI_MODE_TYPE_WATCH
7230                && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
7231                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK
7232                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK)) {
7233            // Always launch dock home from home when watch is docked, if it exists.
7234            intent = mDeskDockIntent;
7235        }
7236
7237        if (intent == null) {
7238            return null;
7239        }
7240
7241        ActivityInfo ai = null;
7242        ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(
7243                intent,
7244                PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_META_DATA,
7245                mCurrentUserId);
7246        if (info != null) {
7247            ai = info.activityInfo;
7248        }
7249        if (ai != null
7250                && ai.metaData != null
7251                && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
7252            intent = new Intent(intent);
7253            intent.setClassName(ai.packageName, ai.name);
7254            return intent;
7255        }
7256
7257        return null;
7258    }
7259
7260    void startDockOrHome(boolean fromHomeKey, boolean awakenFromDreams) {
7261        if (awakenFromDreams) {
7262            awakenDreams();
7263        }
7264
7265        Intent dock = createHomeDockIntent();
7266        if (dock != null) {
7267            try {
7268                if (fromHomeKey) {
7269                    dock.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
7270                }
7271                startActivityAsUser(dock, UserHandle.CURRENT);
7272                return;
7273            } catch (ActivityNotFoundException e) {
7274            }
7275        }
7276
7277        Intent intent;
7278
7279        if (fromHomeKey) {
7280            intent = new Intent(mHomeIntent);
7281            intent.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
7282        } else {
7283            intent = mHomeIntent;
7284        }
7285
7286        startActivityAsUser(intent, UserHandle.CURRENT);
7287    }
7288
7289    /**
7290     * goes to the home screen
7291     * @return whether it did anything
7292     */
7293    boolean goHome() {
7294        if (!isUserSetupComplete()) {
7295            Slog.i(TAG, "Not going home because user setup is in progress.");
7296            return false;
7297        }
7298        if (false) {
7299            // This code always brings home to the front.
7300            try {
7301                ActivityManagerNative.getDefault().stopAppSwitches();
7302            } catch (RemoteException e) {
7303            }
7304            sendCloseSystemWindows();
7305            startDockOrHome(false /*fromHomeKey*/, true /* awakenFromDreams */);
7306        } else {
7307            // This code brings home to the front or, if it is already
7308            // at the front, puts the device to sleep.
7309            try {
7310                if (SystemProperties.getInt("persist.sys.uts-test-mode", 0) == 1) {
7311                    /// Roll back EndcallBehavior as the cupcake design to pass P1 lab entry.
7312                    Log.d(TAG, "UTS-TEST-MODE");
7313                } else {
7314                    ActivityManagerNative.getDefault().stopAppSwitches();
7315                    sendCloseSystemWindows();
7316                    Intent dock = createHomeDockIntent();
7317                    if (dock != null) {
7318                        int result = ActivityManagerNative.getDefault()
7319                                .startActivityAsUser(null, null, dock,
7320                                        dock.resolveTypeIfNeeded(mContext.getContentResolver()),
7321                                        null, null, 0,
7322                                        ActivityManager.START_FLAG_ONLY_IF_NEEDED,
7323                                        null, null, UserHandle.USER_CURRENT);
7324                        if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
7325                            return false;
7326                        }
7327                    }
7328                }
7329                int result = ActivityManagerNative.getDefault()
7330                        .startActivityAsUser(null, null, mHomeIntent,
7331                                mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
7332                                null, null, 0,
7333                                ActivityManager.START_FLAG_ONLY_IF_NEEDED,
7334                                null, null, UserHandle.USER_CURRENT);
7335                if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
7336                    return false;
7337                }
7338            } catch (RemoteException ex) {
7339                // bummer, the activity manager, which is in this process, is dead
7340            }
7341        }
7342        return true;
7343    }
7344
7345    @Override
7346    public void setCurrentOrientationLw(int newOrientation) {
7347        synchronized (mLock) {
7348            if (newOrientation != mCurrentAppOrientation) {
7349                mCurrentAppOrientation = newOrientation;
7350                updateOrientationListenerLp();
7351            }
7352        }
7353    }
7354
7355    private void performAuditoryFeedbackForAccessibilityIfNeed() {
7356        if (!isGlobalAccessibilityGestureEnabled()) {
7357            return;
7358        }
7359        AudioManager audioManager = (AudioManager) mContext.getSystemService(
7360                Context.AUDIO_SERVICE);
7361        if (audioManager.isSilentMode()) {
7362            return;
7363        }
7364        Ringtone ringTone = RingtoneManager.getRingtone(mContext,
7365                Settings.System.DEFAULT_NOTIFICATION_URI);
7366        ringTone.setStreamType(AudioManager.STREAM_MUSIC);
7367        ringTone.play();
7368    }
7369
7370    private boolean isTheaterModeEnabled() {
7371        return Settings.Global.getInt(mContext.getContentResolver(),
7372                Settings.Global.THEATER_MODE_ON, 0) == 1;
7373    }
7374
7375    private boolean isGlobalAccessibilityGestureEnabled() {
7376        return Settings.Global.getInt(mContext.getContentResolver(),
7377                Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED, 0) == 1;
7378    }
7379
7380    private boolean areSystemNavigationKeysEnabled() {
7381        return Settings.Secure.getInt(mContext.getContentResolver(),
7382                Settings.Secure.SYSTEM_NAVIGATION_KEYS_ENABLED, 0) == 1;
7383    }
7384
7385    @Override
7386    public boolean performHapticFeedbackLw(WindowState win, int effectId, boolean always) {
7387        if (!mVibrator.hasVibrator()) {
7388            return false;
7389        }
7390        final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(),
7391                Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0;
7392        if (hapticsDisabled && !always) {
7393            return false;
7394        }
7395        long[] pattern = null;
7396        switch (effectId) {
7397            case HapticFeedbackConstants.LONG_PRESS:
7398                pattern = mLongPressVibePattern;
7399                break;
7400            case HapticFeedbackConstants.VIRTUAL_KEY:
7401                pattern = mVirtualKeyVibePattern;
7402                break;
7403            case HapticFeedbackConstants.KEYBOARD_TAP:
7404                pattern = mKeyboardTapVibePattern;
7405                break;
7406            case HapticFeedbackConstants.CLOCK_TICK:
7407                pattern = mClockTickVibePattern;
7408                break;
7409            case HapticFeedbackConstants.CALENDAR_DATE:
7410                pattern = mCalendarDateVibePattern;
7411                break;
7412            case HapticFeedbackConstants.SAFE_MODE_DISABLED:
7413                pattern = mSafeModeDisabledVibePattern;
7414                break;
7415            case HapticFeedbackConstants.SAFE_MODE_ENABLED:
7416                pattern = mSafeModeEnabledVibePattern;
7417                break;
7418            case HapticFeedbackConstants.CONTEXT_CLICK:
7419                pattern = mContextClickVibePattern;
7420                break;
7421            default:
7422                return false;
7423        }
7424        int owningUid;
7425        String owningPackage;
7426        if (win != null) {
7427            owningUid = win.getOwningUid();
7428            owningPackage = win.getOwningPackage();
7429        } else {
7430            owningUid = android.os.Process.myUid();
7431            owningPackage = mContext.getOpPackageName();
7432        }
7433        if (pattern.length == 1) {
7434            // One-shot vibration
7435            mVibrator.vibrate(owningUid, owningPackage, pattern[0], VIBRATION_ATTRIBUTES);
7436        } else {
7437            // Pattern vibration
7438            mVibrator.vibrate(owningUid, owningPackage, pattern, -1, VIBRATION_ATTRIBUTES);
7439        }
7440        return true;
7441    }
7442
7443    @Override
7444    public void keepScreenOnStartedLw() {
7445    }
7446
7447    @Override
7448    public void keepScreenOnStoppedLw() {
7449        if (isKeyguardShowingAndNotOccluded()) {
7450            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
7451        }
7452    }
7453
7454    private int updateSystemUiVisibilityLw() {
7455        // If there is no window focused, there will be nobody to handle the events
7456        // anyway, so just hang on in whatever state we're in until things settle down.
7457        final WindowState win = mFocusedWindow != null ? mFocusedWindow
7458                : mTopFullscreenOpaqueWindowState;
7459        if (win == null) {
7460            return 0;
7461        }
7462        if ((win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 && mHideLockScreen == true) {
7463            // We are updating at a point where the keyguard has gotten
7464            // focus, but we were last in a state where the top window is
7465            // hiding it.  This is probably because the keyguard as been
7466            // shown while the top window was displayed, so we want to ignore
7467            // it here because this is just a very transient change and it
7468            // will quickly lose focus once it correctly gets hidden.
7469            return 0;
7470        }
7471
7472        int tmpVisibility = PolicyControl.getSystemUiVisibility(win, null)
7473                & ~mResettingSystemUiFlags
7474                & ~mForceClearedSystemUiFlags;
7475        if (mForcingShowNavBar && win.getSurfaceLayer() < mForcingShowNavBarLayer) {
7476            tmpVisibility &= ~PolicyControl.adjustClearableFlags(win, View.SYSTEM_UI_CLEARABLE_FLAGS);
7477        }
7478
7479        final int fullscreenVisibility = updateLightStatusBarLw(0 /* vis */,
7480                mTopFullscreenOpaqueWindowState, mTopFullscreenOpaqueOrDimmingWindowState);
7481        final int dockedVisibility = updateLightStatusBarLw(0 /* vis */,
7482                mTopDockedOpaqueWindowState, mTopDockedOpaqueOrDimmingWindowState);
7483        mWindowManagerFuncs.getStackBounds(HOME_STACK_ID, mNonDockedStackBounds);
7484        mWindowManagerFuncs.getStackBounds(DOCKED_STACK_ID, mDockedStackBounds);
7485        final int visibility = updateSystemBarsLw(win, mLastSystemUiFlags, tmpVisibility);
7486        final int diff = visibility ^ mLastSystemUiFlags;
7487        final int fullscreenDiff = fullscreenVisibility ^ mLastFullscreenStackSysUiFlags;
7488        final int dockedDiff = dockedVisibility ^ mLastDockedStackSysUiFlags;
7489        final boolean needsMenu = win.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
7490        if (diff == 0 && fullscreenDiff == 0 && dockedDiff == 0 && mLastFocusNeedsMenu == needsMenu
7491                && mFocusedApp == win.getAppToken()
7492                && mLastNonDockedStackBounds.equals(mNonDockedStackBounds)
7493                && mLastDockedStackBounds.equals(mDockedStackBounds)) {
7494            return 0;
7495        }
7496        mLastSystemUiFlags = visibility;
7497        mLastFullscreenStackSysUiFlags = fullscreenVisibility;
7498        mLastDockedStackSysUiFlags = dockedVisibility;
7499        mLastFocusNeedsMenu = needsMenu;
7500        mFocusedApp = win.getAppToken();
7501        final Rect fullscreenStackBounds = new Rect(mNonDockedStackBounds);
7502        final Rect dockedStackBounds = new Rect(mDockedStackBounds);
7503        mHandler.post(new Runnable() {
7504                @Override
7505                public void run() {
7506                    StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
7507                    if (statusbar != null) {
7508                        statusbar.setSystemUiVisibility(visibility, fullscreenVisibility,
7509                                dockedVisibility, 0xffffffff, fullscreenStackBounds,
7510                                dockedStackBounds, win.toString());
7511                        statusbar.topAppWindowChanged(needsMenu);
7512                    }
7513                }
7514            });
7515        return diff;
7516    }
7517
7518    private int updateLightStatusBarLw(int vis, WindowState opaque, WindowState opaqueOrDimming) {
7519        WindowState statusColorWin = isStatusBarKeyguard() && !mHideLockScreen
7520                ? mStatusBar
7521                : opaqueOrDimming;
7522
7523        if (statusColorWin != null) {
7524            if (statusColorWin == opaque) {
7525                // If the top fullscreen-or-dimming window is also the top fullscreen, respect
7526                // its light flag.
7527                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7528                vis |= PolicyControl.getSystemUiVisibility(statusColorWin, null)
7529                        & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7530            } else if (statusColorWin != null && statusColorWin.isDimming()) {
7531                // Otherwise if it's dimming, clear the light flag.
7532                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7533            }
7534        }
7535        return vis;
7536    }
7537
7538    private boolean drawsSystemBarBackground(WindowState win) {
7539        return win == null || (win.getAttrs().flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0;
7540    }
7541
7542    private boolean forcesDrawStatusBarBackground(WindowState win) {
7543        return win == null || (win.getAttrs().privateFlags
7544                & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND) != 0;
7545    }
7546
7547    private int updateSystemBarsLw(WindowState win, int oldVis, int vis) {
7548        final boolean dockedStackVisible = mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID);
7549        final boolean freeformStackVisible =
7550                mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID);
7551        final boolean resizing = mWindowManagerInternal.isDockedDividerResizing();
7552
7553        // We need to force system bars when the docked stack is visible, when the freeform stack
7554        // is visible but also when we are resizing for the transitions when docked stack
7555        // visibility changes.
7556        mForceShowSystemBars = dockedStackVisible || freeformStackVisible || resizing;
7557        final boolean forceOpaqueStatusBar = mForceShowSystemBars && !mForceStatusBarFromKeyguard;
7558
7559        // apply translucent bar vis flags
7560        WindowState fullscreenTransWin = isStatusBarKeyguard() && !mHideLockScreen
7561                ? mStatusBar
7562                : mTopFullscreenOpaqueWindowState;
7563        vis = mStatusBarController.applyTranslucentFlagLw(fullscreenTransWin, vis, oldVis);
7564        vis = mNavigationBarController.applyTranslucentFlagLw(fullscreenTransWin, vis, oldVis);
7565        final int dockedVis = mStatusBarController.applyTranslucentFlagLw(
7566                mTopDockedOpaqueWindowState, 0, 0);
7567
7568        final boolean fullscreenDrawsStatusBarBackground =
7569                (drawsSystemBarBackground(mTopFullscreenOpaqueWindowState)
7570                        && (vis & View.STATUS_BAR_TRANSLUCENT) == 0)
7571                || forcesDrawStatusBarBackground(mTopFullscreenOpaqueWindowState);
7572        final boolean dockedDrawsStatusBarBackground =
7573                (drawsSystemBarBackground(mTopDockedOpaqueWindowState)
7574                        && (dockedVis & View.STATUS_BAR_TRANSLUCENT) == 0)
7575                || forcesDrawStatusBarBackground(mTopDockedOpaqueWindowState);
7576
7577        // prevent status bar interaction from clearing certain flags
7578        int type = win.getAttrs().type;
7579        boolean statusBarHasFocus = type == TYPE_STATUS_BAR;
7580        if (statusBarHasFocus && !isStatusBarKeyguard()) {
7581            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
7582                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
7583                    | View.SYSTEM_UI_FLAG_IMMERSIVE
7584                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
7585                    | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7586            if (mHideLockScreen) {
7587                flags |= View.STATUS_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSLUCENT;
7588            }
7589            vis = (vis & ~flags) | (oldVis & flags);
7590        }
7591
7592        if (fullscreenDrawsStatusBarBackground && dockedDrawsStatusBarBackground) {
7593            vis |= View.STATUS_BAR_TRANSPARENT;
7594            vis &= ~View.STATUS_BAR_TRANSLUCENT;
7595        } else if ((!areTranslucentBarsAllowed() && fullscreenTransWin != mStatusBar)
7596                || forceOpaqueStatusBar) {
7597            vis &= ~(View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT);
7598        }
7599
7600        vis = configureNavBarOpacity(vis, dockedStackVisible, freeformStackVisible, resizing);
7601
7602        // update status bar
7603        boolean immersiveSticky =
7604                (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
7605        final boolean hideStatusBarWM =
7606                mTopFullscreenOpaqueWindowState != null
7607                && (PolicyControl.getWindowFlags(mTopFullscreenOpaqueWindowState, null)
7608                        & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0;
7609        final boolean hideStatusBarSysui =
7610                (vis & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
7611        final boolean hideNavBarSysui =
7612                (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0;
7613
7614        final boolean transientStatusBarAllowed = mStatusBar != null
7615                && (statusBarHasFocus || (!mForceShowSystemBars
7616                        && (hideStatusBarWM || (hideStatusBarSysui && immersiveSticky))));
7617
7618        final boolean transientNavBarAllowed = mNavigationBar != null
7619                && !mForceShowSystemBars && hideNavBarSysui && immersiveSticky;
7620
7621        final long now = SystemClock.uptimeMillis();
7622        final boolean pendingPanic = mPendingPanicGestureUptime != 0
7623                && now - mPendingPanicGestureUptime <= PANIC_GESTURE_EXPIRATION;
7624        if (pendingPanic && hideNavBarSysui && !isStatusBarKeyguard() && mKeyguardDrawComplete) {
7625            // The user performed the panic gesture recently, we're about to hide the bars,
7626            // we're no longer on the Keyguard and the screen is ready. We can now request the bars.
7627            mPendingPanicGestureUptime = 0;
7628            mStatusBarController.showTransient();
7629            if (!isNavBarEmpty(vis)) {
7630                mNavigationBarController.showTransient();
7631            }
7632        }
7633
7634        final boolean denyTransientStatus = mStatusBarController.isTransientShowRequested()
7635                && !transientStatusBarAllowed && hideStatusBarSysui;
7636        final boolean denyTransientNav = mNavigationBarController.isTransientShowRequested()
7637                && !transientNavBarAllowed;
7638        if (denyTransientStatus || denyTransientNav || mForceShowSystemBars) {
7639            // clear the clearable flags instead
7640            clearClearableFlagsLw();
7641            vis &= ~View.SYSTEM_UI_CLEARABLE_FLAGS;
7642        }
7643
7644        final boolean immersive = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
7645        immersiveSticky = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
7646        final boolean navAllowedHidden = immersive || immersiveSticky;
7647
7648        if (hideNavBarSysui && !navAllowedHidden && windowTypeToLayerLw(win.getBaseType())
7649                > windowTypeToLayerLw(TYPE_INPUT_CONSUMER)) {
7650            // We can't hide the navbar from this window otherwise the input consumer would not get
7651            // the input events.
7652            vis = (vis & ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
7653        }
7654
7655        vis = mStatusBarController.updateVisibilityLw(transientStatusBarAllowed, oldVis, vis);
7656
7657        // update navigation bar
7658        boolean oldImmersiveMode = isImmersiveMode(oldVis);
7659        boolean newImmersiveMode = isImmersiveMode(vis);
7660        if (win != null && oldImmersiveMode != newImmersiveMode) {
7661            final String pkg = win.getOwningPackage();
7662            mImmersiveModeConfirmation.immersiveModeChangedLw(pkg, newImmersiveMode,
7663                    isUserSetupComplete(), isNavBarEmpty(win.getSystemUiVisibility()));
7664        }
7665
7666        vis = mNavigationBarController.updateVisibilityLw(transientNavBarAllowed, oldVis, vis);
7667
7668        return vis;
7669    }
7670
7671    /**
7672     * @return the current visibility flags with the nav-bar opacity related flags toggled based
7673     *         on the nav bar opacity rules chosen by {@link #mNavBarOpacityMode}.
7674     */
7675    private int configureNavBarOpacity(int visibility, boolean dockedStackVisible,
7676            boolean freeformStackVisible, boolean isDockedDividerResizing) {
7677        if (mNavBarOpacityMode == NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED) {
7678            if (dockedStackVisible || freeformStackVisible || isDockedDividerResizing) {
7679                visibility = setNavBarOpaqueFlag(visibility);
7680            }
7681        } else if (mNavBarOpacityMode == NAV_BAR_TRANSLUCENT_WHEN_FREEFORM_OPAQUE_OTHERWISE) {
7682            if (isDockedDividerResizing) {
7683                visibility = setNavBarOpaqueFlag(visibility);
7684            } else if (freeformStackVisible) {
7685                visibility = setNavBarTranslucentFlag(visibility);
7686            } else {
7687                visibility = setNavBarOpaqueFlag(visibility);
7688            }
7689        }
7690
7691        if (!areTranslucentBarsAllowed()) {
7692            visibility &= ~View.NAVIGATION_BAR_TRANSLUCENT;
7693        }
7694        return visibility;
7695    }
7696
7697    private int setNavBarOpaqueFlag(int visibility) {
7698        return visibility &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT);
7699    }
7700
7701    private int setNavBarTranslucentFlag(int visibility) {
7702        visibility &= ~View.NAVIGATION_BAR_TRANSPARENT;
7703        return visibility |= View.NAVIGATION_BAR_TRANSLUCENT;
7704    }
7705
7706    private void clearClearableFlagsLw() {
7707        int newVal = mResettingSystemUiFlags | View.SYSTEM_UI_CLEARABLE_FLAGS;
7708        if (newVal != mResettingSystemUiFlags) {
7709            mResettingSystemUiFlags = newVal;
7710            mWindowManagerFuncs.reevaluateStatusBarVisibility();
7711        }
7712    }
7713
7714    private boolean isImmersiveMode(int vis) {
7715        final int flags = View.SYSTEM_UI_FLAG_IMMERSIVE | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
7716        return mNavigationBar != null
7717                && (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
7718                && (vis & flags) != 0
7719                && canHideNavigationBar();
7720    }
7721
7722    private static boolean isNavBarEmpty(int systemUiFlags) {
7723        final int disableNavigationBar = (View.STATUS_BAR_DISABLE_HOME
7724                | View.STATUS_BAR_DISABLE_BACK
7725                | View.STATUS_BAR_DISABLE_RECENT);
7726
7727        return (systemUiFlags & disableNavigationBar) == disableNavigationBar;
7728    }
7729
7730    /**
7731     * @return whether the navigation or status bar can be made translucent
7732     *
7733     * This should return true unless touch exploration is not enabled or
7734     * R.boolean.config_enableTranslucentDecor is false.
7735     */
7736    private boolean areTranslucentBarsAllowed() {
7737        return mTranslucentDecorEnabled;
7738    }
7739
7740    // Use this instead of checking config_showNavigationBar so that it can be consistently
7741    // overridden by qemu.hw.mainkeys in the emulator.
7742    @Override
7743    public boolean hasNavigationBar() {
7744        return mHasNavigationBar;
7745    }
7746
7747    @Override
7748    public void setLastInputMethodWindowLw(WindowState ime, WindowState target) {
7749        mLastInputMethodWindow = ime;
7750        mLastInputMethodTargetWindow = target;
7751    }
7752
7753    @Override
7754    public int getInputMethodWindowVisibleHeightLw() {
7755        return mDockBottom - mCurBottom;
7756    }
7757
7758    @Override
7759    public void setCurrentUserLw(int newUserId) {
7760        mCurrentUserId = newUserId;
7761        if (mKeyguardDelegate != null) {
7762            mKeyguardDelegate.setCurrentUser(newUserId);
7763        }
7764        StatusBarManagerInternal statusBar = getStatusBarManagerInternal();
7765        if (statusBar != null) {
7766            statusBar.setCurrentUser(newUserId);
7767        }
7768        setLastInputMethodWindowLw(null, null);
7769    }
7770
7771    @Override
7772    public boolean canMagnifyWindow(int windowType) {
7773        switch (windowType) {
7774            case WindowManager.LayoutParams.TYPE_INPUT_METHOD:
7775            case WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG:
7776            case WindowManager.LayoutParams.TYPE_NAVIGATION_BAR:
7777            case WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY: {
7778                return false;
7779            }
7780        }
7781        return true;
7782    }
7783
7784    @Override
7785    public boolean isTopLevelWindow(int windowType) {
7786        if (windowType >= WindowManager.LayoutParams.FIRST_SUB_WINDOW
7787                && windowType <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
7788            return (windowType == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG);
7789        }
7790        return true;
7791    }
7792
7793    @Override
7794    public boolean shouldRotateSeamlessly(int oldRotation, int newRotation) {
7795        // For the upside down rotation we don't rotate seamlessly as the navigation
7796        // bar moves position.
7797        // Note most apps (using orientation:sensor or user as opposed to fullSensor)
7798        // will not enter the reverse portrait orientation, so actually the
7799        // orientation won't change at all.
7800        if (oldRotation == mUpsideDownRotation || newRotation == mUpsideDownRotation) {
7801            return false;
7802        }
7803        int delta = newRotation - oldRotation;
7804        if (delta < 0) delta += 4;
7805        // Likewise we don't rotate seamlessly for 180 degree rotations
7806        // in this case the surfaces never resize, and our logic to
7807        // revert the transformations on size change will fail. We could
7808        // fix this in the future with the "tagged" frames idea.
7809        if (delta == Surface.ROTATION_180) {
7810            return false;
7811        }
7812
7813        // We only enable seamless rotation if the top window has requested
7814        // it and is in the fullscreen opaque state. Seamless rotation
7815        // requires freezing various Surface states and won't work well
7816        // with animations, so we disable it in the animation case for now.
7817        if (mTopFullscreenOpaqueWindowState != null && mTopIsFullscreen &&
7818                !mTopFullscreenOpaqueWindowState.isAnimatingLw() &&
7819                mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation ==
7820                ROTATION_ANIMATION_JUMPCUT) {
7821            return true;
7822        }
7823        return false;
7824    }
7825
7826    @Override
7827    public void dump(String prefix, PrintWriter pw, String[] args) {
7828        pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
7829                pw.print(" mSystemReady="); pw.print(mSystemReady);
7830                pw.print(" mSystemBooted="); pw.println(mSystemBooted);
7831        pw.print(prefix); pw.print("mLidState="); pw.print(mLidState);
7832                pw.print(" mLidOpenRotation="); pw.print(mLidOpenRotation);
7833                pw.print(" mCameraLensCoverState="); pw.print(mCameraLensCoverState);
7834                pw.print(" mHdmiPlugged="); pw.println(mHdmiPlugged);
7835        if (mLastSystemUiFlags != 0 || mResettingSystemUiFlags != 0
7836                || mForceClearedSystemUiFlags != 0) {
7837            pw.print(prefix); pw.print("mLastSystemUiFlags=0x");
7838                    pw.print(Integer.toHexString(mLastSystemUiFlags));
7839                    pw.print(" mResettingSystemUiFlags=0x");
7840                    pw.print(Integer.toHexString(mResettingSystemUiFlags));
7841                    pw.print(" mForceClearedSystemUiFlags=0x");
7842                    pw.println(Integer.toHexString(mForceClearedSystemUiFlags));
7843        }
7844        if (mLastFocusNeedsMenu) {
7845            pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
7846                    pw.println(mLastFocusNeedsMenu);
7847        }
7848        pw.print(prefix); pw.print("mWakeGestureEnabledSetting=");
7849                pw.println(mWakeGestureEnabledSetting);
7850
7851        pw.print(prefix); pw.print("mSupportAutoRotation="); pw.println(mSupportAutoRotation);
7852        pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
7853                pw.print(" mDockMode="); pw.print(mDockMode);
7854                pw.print(" mEnableCarDockHomeCapture="); pw.print(mEnableCarDockHomeCapture);
7855                pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
7856                pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
7857        pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);
7858                pw.print(" mUserRotation="); pw.print(mUserRotation);
7859                pw.print(" mAllowAllRotations="); pw.println(mAllowAllRotations);
7860        pw.print(prefix); pw.print("mCurrentAppOrientation="); pw.println(mCurrentAppOrientation);
7861        pw.print(prefix); pw.print("mCarDockEnablesAccelerometer=");
7862                pw.print(mCarDockEnablesAccelerometer);
7863                pw.print(" mDeskDockEnablesAccelerometer=");
7864                pw.println(mDeskDockEnablesAccelerometer);
7865        pw.print(prefix); pw.print("mLidKeyboardAccessibility=");
7866                pw.print(mLidKeyboardAccessibility);
7867                pw.print(" mLidNavigationAccessibility="); pw.print(mLidNavigationAccessibility);
7868                pw.print(" mLidControlsScreenLock="); pw.println(mLidControlsScreenLock);
7869                pw.print(" mLidControlsSleep="); pw.println(mLidControlsSleep);
7870        pw.print(prefix);
7871                pw.print(" mLongPressOnBackBehavior="); pw.println(mLongPressOnBackBehavior);
7872        pw.print(prefix);
7873                pw.print("mShortPressOnPowerBehavior="); pw.print(mShortPressOnPowerBehavior);
7874                pw.print(" mLongPressOnPowerBehavior="); pw.println(mLongPressOnPowerBehavior);
7875        pw.print(prefix);
7876                pw.print("mDoublePressOnPowerBehavior="); pw.print(mDoublePressOnPowerBehavior);
7877                pw.print(" mTriplePressOnPowerBehavior="); pw.println(mTriplePressOnPowerBehavior);
7878        pw.print(prefix); pw.print("mHasSoftInput="); pw.println(mHasSoftInput);
7879        pw.print(prefix); pw.print("mAwake="); pw.println(mAwake);
7880        pw.print(prefix); pw.print("mScreenOnEarly="); pw.print(mScreenOnEarly);
7881                pw.print(" mScreenOnFully="); pw.println(mScreenOnFully);
7882        pw.print(prefix); pw.print("mKeyguardDrawComplete="); pw.print(mKeyguardDrawComplete);
7883                pw.print(" mWindowManagerDrawComplete="); pw.println(mWindowManagerDrawComplete);
7884        pw.print(prefix); pw.print("mOrientationSensorEnabled=");
7885                pw.println(mOrientationSensorEnabled);
7886        pw.print(prefix); pw.print("mOverscanScreen=("); pw.print(mOverscanScreenLeft);
7887                pw.print(","); pw.print(mOverscanScreenTop);
7888                pw.print(") "); pw.print(mOverscanScreenWidth);
7889                pw.print("x"); pw.println(mOverscanScreenHeight);
7890        if (mOverscanLeft != 0 || mOverscanTop != 0
7891                || mOverscanRight != 0 || mOverscanBottom != 0) {
7892            pw.print(prefix); pw.print("mOverscan left="); pw.print(mOverscanLeft);
7893                    pw.print(" top="); pw.print(mOverscanTop);
7894                    pw.print(" right="); pw.print(mOverscanRight);
7895                    pw.print(" bottom="); pw.println(mOverscanBottom);
7896        }
7897        pw.print(prefix); pw.print("mRestrictedOverscanScreen=(");
7898                pw.print(mRestrictedOverscanScreenLeft);
7899                pw.print(","); pw.print(mRestrictedOverscanScreenTop);
7900                pw.print(") "); pw.print(mRestrictedOverscanScreenWidth);
7901                pw.print("x"); pw.println(mRestrictedOverscanScreenHeight);
7902        pw.print(prefix); pw.print("mUnrestrictedScreen=("); pw.print(mUnrestrictedScreenLeft);
7903                pw.print(","); pw.print(mUnrestrictedScreenTop);
7904                pw.print(") "); pw.print(mUnrestrictedScreenWidth);
7905                pw.print("x"); pw.println(mUnrestrictedScreenHeight);
7906        pw.print(prefix); pw.print("mRestrictedScreen=("); pw.print(mRestrictedScreenLeft);
7907                pw.print(","); pw.print(mRestrictedScreenTop);
7908                pw.print(") "); pw.print(mRestrictedScreenWidth);
7909                pw.print("x"); pw.println(mRestrictedScreenHeight);
7910        pw.print(prefix); pw.print("mStableFullscreen=("); pw.print(mStableFullscreenLeft);
7911                pw.print(","); pw.print(mStableFullscreenTop);
7912                pw.print(")-("); pw.print(mStableFullscreenRight);
7913                pw.print(","); pw.print(mStableFullscreenBottom); pw.println(")");
7914        pw.print(prefix); pw.print("mStable=("); pw.print(mStableLeft);
7915                pw.print(","); pw.print(mStableTop);
7916                pw.print(")-("); pw.print(mStableRight);
7917                pw.print(","); pw.print(mStableBottom); pw.println(")");
7918        pw.print(prefix); pw.print("mSystem=("); pw.print(mSystemLeft);
7919                pw.print(","); pw.print(mSystemTop);
7920                pw.print(")-("); pw.print(mSystemRight);
7921                pw.print(","); pw.print(mSystemBottom); pw.println(")");
7922        pw.print(prefix); pw.print("mCur=("); pw.print(mCurLeft);
7923                pw.print(","); pw.print(mCurTop);
7924                pw.print(")-("); pw.print(mCurRight);
7925                pw.print(","); pw.print(mCurBottom); pw.println(")");
7926        pw.print(prefix); pw.print("mContent=("); pw.print(mContentLeft);
7927                pw.print(","); pw.print(mContentTop);
7928                pw.print(")-("); pw.print(mContentRight);
7929                pw.print(","); pw.print(mContentBottom); pw.println(")");
7930        pw.print(prefix); pw.print("mVoiceContent=("); pw.print(mVoiceContentLeft);
7931                pw.print(","); pw.print(mVoiceContentTop);
7932                pw.print(")-("); pw.print(mVoiceContentRight);
7933                pw.print(","); pw.print(mVoiceContentBottom); pw.println(")");
7934        pw.print(prefix); pw.print("mDock=("); pw.print(mDockLeft);
7935                pw.print(","); pw.print(mDockTop);
7936                pw.print(")-("); pw.print(mDockRight);
7937                pw.print(","); pw.print(mDockBottom); pw.println(")");
7938        pw.print(prefix); pw.print("mDockLayer="); pw.print(mDockLayer);
7939                pw.print(" mStatusBarLayer="); pw.println(mStatusBarLayer);
7940        pw.print(prefix); pw.print("mShowingLockscreen="); pw.print(mShowingLockscreen);
7941                pw.print(" mShowingDream="); pw.print(mShowingDream);
7942                pw.print(" mDreamingLockscreen="); pw.print(mDreamingLockscreen);
7943                pw.print(" mDreamingSleepToken="); pw.println(mDreamingSleepToken);
7944        if (mLastInputMethodWindow != null) {
7945            pw.print(prefix); pw.print("mLastInputMethodWindow=");
7946                    pw.println(mLastInputMethodWindow);
7947        }
7948        if (mLastInputMethodTargetWindow != null) {
7949            pw.print(prefix); pw.print("mLastInputMethodTargetWindow=");
7950                    pw.println(mLastInputMethodTargetWindow);
7951        }
7952        if (mStatusBar != null) {
7953            pw.print(prefix); pw.print("mStatusBar=");
7954                    pw.print(mStatusBar); pw.print(" isStatusBarKeyguard=");
7955                    pw.println(isStatusBarKeyguard());
7956        }
7957        if (mNavigationBar != null) {
7958            pw.print(prefix); pw.print("mNavigationBar=");
7959                    pw.println(mNavigationBar);
7960        }
7961        if (mFocusedWindow != null) {
7962            pw.print(prefix); pw.print("mFocusedWindow=");
7963                    pw.println(mFocusedWindow);
7964        }
7965        if (mFocusedApp != null) {
7966            pw.print(prefix); pw.print("mFocusedApp=");
7967                    pw.println(mFocusedApp);
7968        }
7969        if (mWinDismissingKeyguard != null) {
7970            pw.print(prefix); pw.print("mWinDismissingKeyguard=");
7971                    pw.println(mWinDismissingKeyguard);
7972        }
7973        if (mTopFullscreenOpaqueWindowState != null) {
7974            pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
7975                    pw.println(mTopFullscreenOpaqueWindowState);
7976        }
7977        if (mTopFullscreenOpaqueOrDimmingWindowState != null) {
7978            pw.print(prefix); pw.print("mTopFullscreenOpaqueOrDimmingWindowState=");
7979                    pw.println(mTopFullscreenOpaqueOrDimmingWindowState);
7980        }
7981        if (mForcingShowNavBar) {
7982            pw.print(prefix); pw.print("mForcingShowNavBar=");
7983                    pw.println(mForcingShowNavBar); pw.print( "mForcingShowNavBarLayer=");
7984                    pw.println(mForcingShowNavBarLayer);
7985        }
7986        pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
7987                pw.print(" mHideLockScreen="); pw.println(mHideLockScreen);
7988        pw.print(prefix); pw.print("mForceStatusBar="); pw.print(mForceStatusBar);
7989                pw.print(" mForceStatusBarFromKeyguard=");
7990                pw.println(mForceStatusBarFromKeyguard);
7991        pw.print(prefix); pw.print("mDismissKeyguard="); pw.print(mDismissKeyguard);
7992                pw.print(" mWinDismissingKeyguard="); pw.print(mWinDismissingKeyguard);
7993                pw.print(" mHomePressed="); pw.println(mHomePressed);
7994        pw.print(prefix); pw.print("mAllowLockscreenWhenOn="); pw.print(mAllowLockscreenWhenOn);
7995                pw.print(" mLockScreenTimeout="); pw.print(mLockScreenTimeout);
7996                pw.print(" mLockScreenTimerActive="); pw.println(mLockScreenTimerActive);
7997        pw.print(prefix); pw.print("mEndcallBehavior="); pw.print(mEndcallBehavior);
7998                pw.print(" mIncallPowerBehavior="); pw.print(mIncallPowerBehavior);
7999                pw.print(" mLongPressOnHomeBehavior="); pw.println(mLongPressOnHomeBehavior);
8000        pw.print(prefix); pw.print("mLandscapeRotation="); pw.print(mLandscapeRotation);
8001                pw.print(" mSeascapeRotation="); pw.println(mSeascapeRotation);
8002        pw.print(prefix); pw.print("mPortraitRotation="); pw.print(mPortraitRotation);
8003                pw.print(" mUpsideDownRotation="); pw.println(mUpsideDownRotation);
8004        pw.print(prefix); pw.print("mDemoHdmiRotation="); pw.print(mDemoHdmiRotation);
8005                pw.print(" mDemoHdmiRotationLock="); pw.println(mDemoHdmiRotationLock);
8006        pw.print(prefix); pw.print("mUndockedHdmiRotation="); pw.println(mUndockedHdmiRotation);
8007
8008        mGlobalKeyManager.dump(prefix, pw);
8009        mStatusBarController.dump(pw, prefix);
8010        mNavigationBarController.dump(pw, prefix);
8011        PolicyControl.dump(prefix, pw);
8012
8013        if (mWakeGestureListener != null) {
8014            mWakeGestureListener.dump(pw, prefix);
8015        }
8016        if (mOrientationListener != null) {
8017            mOrientationListener.dump(pw, prefix);
8018        }
8019        if (mBurnInProtectionHelper != null) {
8020            mBurnInProtectionHelper.dump(prefix, pw);
8021        }
8022        if (mKeyguardDelegate != null) {
8023            mKeyguardDelegate.dump(prefix, pw);
8024        }
8025    }
8026}
8027