PhoneWindowManager.java revision c514ce84d6e8945fd4b46de73ac190421e166890 
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    // These need to match the documentation/constant in
204    // core/res/res/values/config.xml
205    static final int LONG_PRESS_HOME_NOTHING = 0;
206    static final int LONG_PRESS_HOME_RECENT_SYSTEM_UI = 1;
207    static final int LONG_PRESS_HOME_ASSIST = 2;
208    static final int LAST_LONG_PRESS_HOME_BEHAVIOR = LONG_PRESS_HOME_ASSIST;
209
210    static final int DOUBLE_TAP_HOME_NOTHING = 0;
211    static final int DOUBLE_TAP_HOME_RECENT_SYSTEM_UI = 1;
212
213    static final int SHORT_PRESS_WINDOW_NOTHING = 0;
214    static final int SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE = 1;
215
216    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP = 0;
217    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME = 1;
218
219    static final int PENDING_KEY_NULL = -1;
220
221    // Controls navigation bar opacity depending on which workspace stacks are currently
222    // visible.
223    // Nav bar is always opaque when either the freeform stack or docked stack is visible.
224    static final int NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED = 0;
225    // Nav bar is always translucent when the freeform stack is visible, otherwise always opaque.
226    static final int NAV_BAR_TRANSLUCENT_WHEN_FREEFORM_OPAQUE_OTHERWISE = 1;
227
228    static final int APPLICATION_MEDIA_SUBLAYER = -2;
229    static final int APPLICATION_MEDIA_OVERLAY_SUBLAYER = -1;
230    static final int APPLICATION_PANEL_SUBLAYER = 1;
231    static final int APPLICATION_SUB_PANEL_SUBLAYER = 2;
232    static final int APPLICATION_ABOVE_SUB_PANEL_SUBLAYER = 3;
233
234    static public final String SYSTEM_DIALOG_REASON_KEY = "reason";
235    static public final String SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS = "globalactions";
236    static public final String SYSTEM_DIALOG_REASON_RECENT_APPS = "recentapps";
237    static public final String SYSTEM_DIALOG_REASON_HOME_KEY = "homekey";
238    static public final String SYSTEM_DIALOG_REASON_ASSIST = "assist";
239
240    /**
241     * These are the system UI flags that, when changing, can cause the layout
242     * of the screen to change.
243     */
244    static final int SYSTEM_UI_CHANGING_LAYOUT =
245              View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
246            | View.SYSTEM_UI_FLAG_FULLSCREEN
247            | View.STATUS_BAR_TRANSLUCENT
248            | View.NAVIGATION_BAR_TRANSLUCENT
249            | View.STATUS_BAR_TRANSPARENT
250            | View.NAVIGATION_BAR_TRANSPARENT;
251
252    private static final AudioAttributes VIBRATION_ATTRIBUTES = new AudioAttributes.Builder()
253            .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
254            .setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION)
255            .build();
256
257    // The panic gesture may become active only after the keyguard is dismissed and the immersive
258    // app shows again. If that doesn't happen for 30s we drop the gesture.
259    private static final long PANIC_GESTURE_EXPIRATION = 30000;
260
261    private static final String SYSUI_PACKAGE = "com.android.systemui";
262    private static final String SYSUI_SCREENSHOT_SERVICE =
263            "com.android.systemui.screenshot.TakeScreenshotService";
264    private static final String SYSUI_SCREENSHOT_ERROR_RECEIVER =
265            "com.android.systemui.screenshot.ScreenshotServiceErrorReceiver";
266
267    private static final int NAV_BAR_BOTTOM = 0;
268    private static final int NAV_BAR_RIGHT = 1;
269    private static final int NAV_BAR_LEFT = 2;
270
271    /**
272     * Keyguard stuff
273     */
274    private WindowState mKeyguardScrim;
275    private boolean mKeyguardHidden;
276    private boolean mKeyguardDrawnOnce;
277
278    /* Table of Application Launch keys.  Maps from key codes to intent categories.
279     *
280     * These are special keys that are used to launch particular kinds of applications,
281     * such as a web browser.  HID defines nearly a hundred of them in the Consumer (0x0C)
282     * usage page.  We don't support quite that many yet...
283     */
284    static SparseArray<String> sApplicationLaunchKeyCategories;
285    static {
286        sApplicationLaunchKeyCategories = new SparseArray<String>();
287        sApplicationLaunchKeyCategories.append(
288                KeyEvent.KEYCODE_EXPLORER, Intent.CATEGORY_APP_BROWSER);
289        sApplicationLaunchKeyCategories.append(
290                KeyEvent.KEYCODE_ENVELOPE, Intent.CATEGORY_APP_EMAIL);
291        sApplicationLaunchKeyCategories.append(
292                KeyEvent.KEYCODE_CONTACTS, Intent.CATEGORY_APP_CONTACTS);
293        sApplicationLaunchKeyCategories.append(
294                KeyEvent.KEYCODE_CALENDAR, Intent.CATEGORY_APP_CALENDAR);
295        sApplicationLaunchKeyCategories.append(
296                KeyEvent.KEYCODE_MUSIC, Intent.CATEGORY_APP_MUSIC);
297        sApplicationLaunchKeyCategories.append(
298                KeyEvent.KEYCODE_CALCULATOR, Intent.CATEGORY_APP_CALCULATOR);
299    }
300
301    /** Amount of time (in milliseconds) to wait for windows drawn before powering on. */
302    static final int WAITING_FOR_DRAWN_TIMEOUT = 1000;
303
304    /**
305     * Lock protecting internal state.  Must not call out into window
306     * manager with lock held.  (This lock will be acquired in places
307     * where the window manager is calling in with its own lock held.)
308     */
309    private final Object mLock = new Object();
310
311    Context mContext;
312    IWindowManager mWindowManager;
313    WindowManagerFuncs mWindowManagerFuncs;
314    WindowManagerInternal mWindowManagerInternal;
315    PowerManager mPowerManager;
316    ActivityManagerInternal mActivityManagerInternal;
317    InputManagerInternal mInputManagerInternal;
318    DreamManagerInternal mDreamManagerInternal;
319    PowerManagerInternal mPowerManagerInternal;
320    IStatusBarService mStatusBarService;
321    StatusBarManagerInternal mStatusBarManagerInternal;
322    boolean mPreloadedRecentApps;
323    final Object mServiceAquireLock = new Object();
324    Vibrator mVibrator; // Vibrator for giving feedback of orientation changes
325    SearchManager mSearchManager;
326    AccessibilityManager mAccessibilityManager;
327    BurnInProtectionHelper mBurnInProtectionHelper;
328    AppOpsManager mAppOpsManager;
329    private boolean mHasFeatureWatch;
330
331    // Vibrator pattern for haptic feedback of a long press.
332    long[] mLongPressVibePattern;
333
334    // Vibrator pattern for haptic feedback of virtual key press.
335    long[] mVirtualKeyVibePattern;
336
337    // Vibrator pattern for a short vibration.
338    long[] mKeyboardTapVibePattern;
339
340    // Vibrator pattern for a short vibration when tapping on an hour/minute tick of a Clock.
341    long[] mClockTickVibePattern;
342
343    // Vibrator pattern for a short vibration when tapping on a day/month/year date of a Calendar.
344    long[] mCalendarDateVibePattern;
345
346    // Vibrator pattern for haptic feedback during boot when safe mode is disabled.
347    long[] mSafeModeDisabledVibePattern;
348
349    // Vibrator pattern for haptic feedback during boot when safe mode is enabled.
350    long[] mSafeModeEnabledVibePattern;
351
352    // Vibrator pattern for haptic feedback of a context click.
353    long[] mContextClickVibePattern;
354
355    /** If true, hitting shift & menu will broadcast Intent.ACTION_BUG_REPORT */
356    boolean mEnableShiftMenuBugReports = false;
357
358    boolean mSafeMode;
359    WindowState mStatusBar = null;
360    int mStatusBarHeight;
361    WindowState mNavigationBar = null;
362    boolean mHasNavigationBar = false;
363    boolean mNavigationBarCanMove = false; // can the navigation bar ever move to the side?
364    int mNavigationBarPosition = NAV_BAR_BOTTOM;
365    int[] mNavigationBarHeightForRotationDefault = new int[4];
366    int[] mNavigationBarWidthForRotationDefault = new int[4];
367    int[] mNavigationBarHeightForRotationInCarMode = new int[4];
368    int[] mNavigationBarWidthForRotationInCarMode = new int[4];
369
370    private LongSparseArray<IShortcutService> mShortcutKeyServices = new LongSparseArray<>();
371
372    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
373    // This is for car dock and this is updated from resource.
374    private boolean mEnableCarDockHomeCapture = true;
375
376    boolean mBootMessageNeedsHiding;
377    KeyguardServiceDelegate mKeyguardDelegate;
378    final Runnable mWindowManagerDrawCallback = new Runnable() {
379        @Override
380        public void run() {
381            if (DEBUG_WAKEUP) Slog.i(TAG, "All windows ready for display!");
382            mHandler.sendEmptyMessage(MSG_WINDOW_MANAGER_DRAWN_COMPLETE);
383        }
384    };
385    final DrawnListener mKeyguardDrawnCallback = new DrawnListener() {
386        @Override
387        public void onDrawn() {
388            if (DEBUG_WAKEUP) Slog.d(TAG, "mKeyguardDelegate.ShowListener.onDrawn.");
389            mHandler.sendEmptyMessage(MSG_KEYGUARD_DRAWN_COMPLETE);
390        }
391    };
392
393    GlobalActions mGlobalActions;
394    Handler mHandler;
395    WindowState mLastInputMethodWindow = null;
396    WindowState mLastInputMethodTargetWindow = null;
397
398    // FIXME This state is shared between the input reader and handler thread.
399    // Technically it's broken and buggy but it has been like this for many years
400    // and we have not yet seen any problems.  Someday we'll rewrite this logic
401    // so that only one thread is involved in handling input policy.  Unfortunately
402    // it's on a critical path for power management so we can't just post the work to the
403    // handler thread.  We'll need to resolve this someday by teaching the input dispatcher
404    // to hold wakelocks during dispatch and eliminating the critical path.
405    volatile boolean mPowerKeyHandled;
406    volatile boolean mBackKeyHandled;
407    volatile boolean mBeganFromNonInteractive;
408    volatile int mPowerKeyPressCounter;
409    volatile boolean mEndCallKeyHandled;
410    volatile boolean mCameraGestureTriggeredDuringGoingToSleep;
411    volatile boolean mGoingToSleep;
412    volatile boolean mRecentsVisible;
413    volatile boolean mTvPictureInPictureVisible;
414
415    // Used to hold the last user key used to wake the device.  This helps us prevent up events
416    // from being passed to the foregrounded app without a corresponding down event
417    volatile int mPendingWakeKey = PENDING_KEY_NULL;
418
419    int mRecentAppsHeldModifiers;
420    boolean mLanguageSwitchKeyPressed;
421
422    int mLidState = LID_ABSENT;
423    int mCameraLensCoverState = CAMERA_LENS_COVER_ABSENT;
424    boolean mHaveBuiltInKeyboard;
425
426    boolean mSystemReady;
427    boolean mSystemBooted;
428    private boolean mDeferBindKeyguard;
429    boolean mHdmiPlugged;
430    HdmiControl mHdmiControl;
431    IUiModeManager mUiModeManager;
432    int mUiMode;
433    int mDockMode = Intent.EXTRA_DOCK_STATE_UNDOCKED;
434    int mLidOpenRotation;
435    int mCarDockRotation;
436    int mDeskDockRotation;
437    int mUndockedHdmiRotation;
438    int mDemoHdmiRotation;
439    boolean mDemoHdmiRotationLock;
440    int mDemoRotation;
441    boolean mDemoRotationLock;
442
443    boolean mWakeGestureEnabledSetting;
444    MyWakeGestureListener mWakeGestureListener;
445
446    // Default display does not rotate, apps that require non-default orientation will have to
447    // have the orientation emulated.
448    private boolean mForceDefaultOrientation = false;
449
450    int mUserRotationMode = WindowManagerPolicy.USER_ROTATION_FREE;
451    int mUserRotation = Surface.ROTATION_0;
452    boolean mAccelerometerDefault;
453
454    boolean mSupportAutoRotation;
455    int mAllowAllRotations = -1;
456    boolean mCarDockEnablesAccelerometer;
457    boolean mDeskDockEnablesAccelerometer;
458    int mLidKeyboardAccessibility;
459    int mLidNavigationAccessibility;
460    boolean mLidControlsScreenLock;
461    boolean mLidControlsSleep;
462    int mShortPressOnPowerBehavior;
463    int mLongPressOnPowerBehavior;
464    int mDoublePressOnPowerBehavior;
465    int mTriplePressOnPowerBehavior;
466    int mLongPressOnBackBehavior;
467    int mShortPressOnSleepBehavior;
468    int mShortPressWindowBehavior;
469    boolean mAwake;
470    boolean mScreenOnEarly;
471    boolean mScreenOnFully;
472    ScreenOnListener mScreenOnListener;
473    boolean mKeyguardDrawComplete;
474    boolean mWindowManagerDrawComplete;
475    boolean mOrientationSensorEnabled = false;
476    int mCurrentAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
477    boolean mHasSoftInput = false;
478    boolean mTranslucentDecorEnabled = true;
479    boolean mUseTvRouting;
480
481    int mPointerLocationMode = 0; // guarded by mLock
482
483    // The last window we were told about in focusChanged.
484    WindowState mFocusedWindow;
485    IApplicationToken mFocusedApp;
486
487    PointerLocationView mPointerLocationView;
488
489    // The current size of the screen; really; extends into the overscan area of
490    // the screen and doesn't account for any system elements like the status bar.
491    int mOverscanScreenLeft, mOverscanScreenTop;
492    int mOverscanScreenWidth, mOverscanScreenHeight;
493    // The current visible size of the screen; really; (ir)regardless of whether the status
494    // bar can be hidden but not extending into the overscan area.
495    int mUnrestrictedScreenLeft, mUnrestrictedScreenTop;
496    int mUnrestrictedScreenWidth, mUnrestrictedScreenHeight;
497    // Like mOverscanScreen*, but allowed to move into the overscan region where appropriate.
498    int mRestrictedOverscanScreenLeft, mRestrictedOverscanScreenTop;
499    int mRestrictedOverscanScreenWidth, mRestrictedOverscanScreenHeight;
500    // The current size of the screen; these may be different than (0,0)-(dw,dh)
501    // if the status bar can't be hidden; in that case it effectively carves out
502    // that area of the display from all other windows.
503    int mRestrictedScreenLeft, mRestrictedScreenTop;
504    int mRestrictedScreenWidth, mRestrictedScreenHeight;
505    // During layout, the current screen borders accounting for any currently
506    // visible system UI elements.
507    int mSystemLeft, mSystemTop, mSystemRight, mSystemBottom;
508    // For applications requesting stable content insets, these are them.
509    int mStableLeft, mStableTop, mStableRight, mStableBottom;
510    // For applications requesting stable content insets but have also set the
511    // fullscreen window flag, these are the stable dimensions without the status bar.
512    int mStableFullscreenLeft, mStableFullscreenTop;
513    int mStableFullscreenRight, mStableFullscreenBottom;
514    // During layout, the current screen borders with all outer decoration
515    // (status bar, input method dock) accounted for.
516    int mCurLeft, mCurTop, mCurRight, mCurBottom;
517    // During layout, the frame in which content should be displayed
518    // to the user, accounting for all screen decoration except for any
519    // space they deem as available for other content.  This is usually
520    // the same as mCur*, but may be larger if the screen decor has supplied
521    // content insets.
522    int mContentLeft, mContentTop, mContentRight, mContentBottom;
523    // During layout, the frame in which voice content should be displayed
524    // to the user, accounting for all screen decoration except for any
525    // space they deem as available for other content.
526    int mVoiceContentLeft, mVoiceContentTop, mVoiceContentRight, mVoiceContentBottom;
527    // During layout, the current screen borders along which input method
528    // windows are placed.
529    int mDockLeft, mDockTop, mDockRight, mDockBottom;
530    // During layout, the layer at which the doc window is placed.
531    int mDockLayer;
532    // During layout, this is the layer of the status bar.
533    int mStatusBarLayer;
534    int mLastSystemUiFlags;
535    // Bits that we are in the process of clearing, so we want to prevent
536    // them from being set by applications until everything has been updated
537    // to have them clear.
538    int mResettingSystemUiFlags = 0;
539    // Bits that we are currently always keeping cleared.
540    int mForceClearedSystemUiFlags = 0;
541    int mLastFullscreenStackSysUiFlags;
542    int mLastDockedStackSysUiFlags;
543    final Rect mNonDockedStackBounds = new Rect();
544    final Rect mDockedStackBounds = new Rect();
545    final Rect mLastNonDockedStackBounds = new Rect();
546    final Rect mLastDockedStackBounds = new Rect();
547
548    // What we last reported to system UI about whether the compatibility
549    // menu needs to be displayed.
550    boolean mLastFocusNeedsMenu = false;
551    // If nonzero, a panic gesture was performed at that time in uptime millis and is still pending.
552    private long mPendingPanicGestureUptime;
553
554    InputConsumer mInputConsumer = null;
555
556    static final Rect mTmpParentFrame = new Rect();
557    static final Rect mTmpDisplayFrame = new Rect();
558    static final Rect mTmpOverscanFrame = new Rect();
559    static final Rect mTmpContentFrame = new Rect();
560    static final Rect mTmpVisibleFrame = new Rect();
561    static final Rect mTmpDecorFrame = new Rect();
562    static final Rect mTmpStableFrame = new Rect();
563    static final Rect mTmpNavigationFrame = new Rect();
564    static final Rect mTmpOutsetFrame = new Rect();
565    private static final Rect mTmpRect = new Rect();
566
567    WindowState mTopFullscreenOpaqueWindowState;
568    WindowState mTopFullscreenOpaqueOrDimmingWindowState;
569    WindowState mTopDockedOpaqueWindowState;
570    WindowState mTopDockedOpaqueOrDimmingWindowState;
571    HashSet<IApplicationToken> mAppsToBeHidden = new HashSet<IApplicationToken>();
572    HashSet<IApplicationToken> mAppsThatDismissKeyguard = new HashSet<IApplicationToken>();
573    boolean mTopIsFullscreen;
574    boolean mForceStatusBar;
575    boolean mForceStatusBarFromKeyguard;
576    private boolean mForceStatusBarTransparent;
577    int mNavBarOpacityMode = NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED;
578    boolean mHideLockScreen;
579    boolean mForcingShowNavBar;
580    int mForcingShowNavBarLayer;
581
582    // States of keyguard dismiss.
583    private static final int DISMISS_KEYGUARD_NONE = 0; // Keyguard not being dismissed.
584    private static final int DISMISS_KEYGUARD_START = 1; // Keyguard needs to be dismissed.
585    private static final int DISMISS_KEYGUARD_CONTINUE = 2; // Keyguard has been dismissed.
586    int mDismissKeyguard = DISMISS_KEYGUARD_NONE;
587
588    /** The window that is currently dismissing the keyguard. Dismissing the keyguard must only
589     * be done once per window. */
590    private WindowState mWinDismissingKeyguard;
591
592    /** When window is currently dismissing the keyguard, dismissing the keyguard must handle
593     * the keygaurd secure state change instantly case, e.g. the use case of inserting a PIN
594     * lock SIM card. This variable is used to record the previous keyguard secure state for
595     * monitoring secure state change on window dismissing keyguard. */
596    private boolean mSecureDismissingKeyguard;
597
598    /** The window that is currently showing "over" the keyguard. If there is an app window
599     * belonging to another app on top of this the keyguard shows. If there is a fullscreen
600     * app window under this, still dismiss the keyguard but don't show the app underneath. Show
601     * the wallpaper. */
602    private WindowState mWinShowWhenLocked;
603
604    boolean mShowingLockscreen;
605    boolean mShowingDream;
606    boolean mDreamingLockscreen;
607    boolean mDreamingSleepTokenNeeded;
608    SleepToken mDreamingSleepToken;
609    SleepToken mScreenOffSleepToken;
610    boolean mKeyguardSecure;
611    boolean mKeyguardSecureIncludingHidden;
612    volatile boolean mKeyguardOccluded;
613    boolean mHomePressed;
614    boolean mHomeConsumed;
615    boolean mHomeDoubleTapPending;
616    Intent mHomeIntent;
617    Intent mCarDockIntent;
618    Intent mDeskDockIntent;
619    boolean mSearchKeyShortcutPending;
620    boolean mConsumeSearchKeyUp;
621    boolean mAssistKeyLongPressed;
622    boolean mPendingMetaAction;
623    boolean mPendingCapsLockToggle;
624    int mMetaState;
625    int mInitialMetaState;
626    boolean mForceShowSystemBars;
627
628    // support for activating the lock screen while the screen is on
629    boolean mAllowLockscreenWhenOn;
630    int mLockScreenTimeout;
631    boolean mLockScreenTimerActive;
632
633    // Behavior of ENDCALL Button.  (See Settings.System.END_BUTTON_BEHAVIOR.)
634    int mEndcallBehavior;
635
636    // Behavior of POWER button while in-call and screen on.
637    // (See Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR.)
638    int mIncallPowerBehavior;
639
640    Display mDisplay;
641
642    private int mDisplayRotation;
643
644    int mLandscapeRotation = 0;  // default landscape rotation
645    int mSeascapeRotation = 0;   // "other" landscape rotation, 180 degrees from mLandscapeRotation
646    int mPortraitRotation = 0;   // default portrait rotation
647    int mUpsideDownRotation = 0; // "other" portrait rotation
648
649    int mOverscanLeft = 0;
650    int mOverscanTop = 0;
651    int mOverscanRight = 0;
652    int mOverscanBottom = 0;
653
654    // What we do when the user long presses on home
655    private int mLongPressOnHomeBehavior;
656
657    // What we do when the user double-taps on home
658    private int mDoubleTapOnHomeBehavior;
659
660    // Allowed theater mode wake actions
661    private boolean mAllowTheaterModeWakeFromKey;
662    private boolean mAllowTheaterModeWakeFromPowerKey;
663    private boolean mAllowTheaterModeWakeFromMotion;
664    private boolean mAllowTheaterModeWakeFromMotionWhenNotDreaming;
665    private boolean mAllowTheaterModeWakeFromCameraLens;
666    private boolean mAllowTheaterModeWakeFromLidSwitch;
667    private boolean mAllowTheaterModeWakeFromWakeGesture;
668
669    // Whether to support long press from power button in non-interactive mode
670    private boolean mSupportLongPressPowerWhenNonInteractive;
671
672    // Whether to go to sleep entering theater mode from power button
673    private boolean mGoToSleepOnButtonPressTheaterMode;
674
675    // Screenshot trigger states
676    // Time to volume and power must be pressed within this interval of each other.
677    private static final long SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS = 150;
678    // Increase the chord delay when taking a screenshot from the keyguard
679    private static final float KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER = 2.5f;
680    private boolean mScreenshotChordEnabled;
681    private boolean mScreenshotChordVolumeDownKeyTriggered;
682    private long mScreenshotChordVolumeDownKeyTime;
683    private boolean mScreenshotChordVolumeDownKeyConsumed;
684    private boolean mScreenshotChordVolumeUpKeyTriggered;
685    private boolean mScreenshotChordPowerKeyTriggered;
686    private long mScreenshotChordPowerKeyTime;
687
688    /* The number of steps between min and max brightness */
689    private static final int BRIGHTNESS_STEPS = 10;
690
691    SettingsObserver mSettingsObserver;
692    ShortcutManager mShortcutManager;
693    PowerManager.WakeLock mBroadcastWakeLock;
694    PowerManager.WakeLock mPowerKeyWakeLock;
695    boolean mHavePendingMediaKeyRepeatWithWakeLock;
696
697    private int mCurrentUserId;
698
699    // Maps global key codes to the components that will handle them.
700    private GlobalKeyManager mGlobalKeyManager;
701
702    // Fallback actions by key code.
703    private final SparseArray<KeyCharacterMap.FallbackAction> mFallbackActions =
704            new SparseArray<KeyCharacterMap.FallbackAction>();
705
706    private final LogDecelerateInterpolator mLogDecelerateInterpolator
707            = new LogDecelerateInterpolator(100, 0);
708
709    private final MutableBoolean mTmpBoolean = new MutableBoolean(false);
710
711    private static final int MSG_ENABLE_POINTER_LOCATION = 1;
712    private static final int MSG_DISABLE_POINTER_LOCATION = 2;
713    private static final int MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK = 3;
714    private static final int MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK = 4;
715    private static final int MSG_KEYGUARD_DRAWN_COMPLETE = 5;
716    private static final int MSG_KEYGUARD_DRAWN_TIMEOUT = 6;
717    private static final int MSG_WINDOW_MANAGER_DRAWN_COMPLETE = 7;
718    private static final int MSG_DISPATCH_SHOW_RECENTS = 9;
719    private static final int MSG_DISPATCH_SHOW_GLOBAL_ACTIONS = 10;
720    private static final int MSG_HIDE_BOOT_MESSAGE = 11;
721    private static final int MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK = 12;
722    private static final int MSG_POWER_DELAYED_PRESS = 13;
723    private static final int MSG_POWER_LONG_PRESS = 14;
724    private static final int MSG_UPDATE_DREAMING_SLEEP_TOKEN = 15;
725    private static final int MSG_REQUEST_TRANSIENT_BARS = 16;
726    private static final int MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU = 17;
727    private static final int MSG_BACK_LONG_PRESS = 18;
728    private static final int MSG_DISPOSE_INPUT_CONSUMER = 19;
729
730    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS = 0;
731    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION = 1;
732
733    private class PolicyHandler extends Handler {
734        @Override
735        public void handleMessage(Message msg) {
736            switch (msg.what) {
737                case MSG_ENABLE_POINTER_LOCATION:
738                    enablePointerLocation();
739                    break;
740                case MSG_DISABLE_POINTER_LOCATION:
741                    disablePointerLocation();
742                    break;
743                case MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK:
744                    dispatchMediaKeyWithWakeLock((KeyEvent)msg.obj);
745                    break;
746                case MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK:
747                    dispatchMediaKeyRepeatWithWakeLock((KeyEvent)msg.obj);
748                    break;
749                case MSG_DISPATCH_SHOW_RECENTS:
750                    showRecentApps(false, msg.arg1 != 0);
751                    break;
752                case MSG_DISPATCH_SHOW_GLOBAL_ACTIONS:
753                    showGlobalActionsInternal();
754                    break;
755                case MSG_KEYGUARD_DRAWN_COMPLETE:
756                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mKeyguardDrawComplete");
757                    finishKeyguardDrawn();
758                    break;
759                case MSG_KEYGUARD_DRAWN_TIMEOUT:
760                    Slog.w(TAG, "Keyguard drawn timeout. Setting mKeyguardDrawComplete");
761                    finishKeyguardDrawn();
762                    break;
763                case MSG_WINDOW_MANAGER_DRAWN_COMPLETE:
764                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mWindowManagerDrawComplete");
765                    finishWindowsDrawn();
766                    break;
767                case MSG_HIDE_BOOT_MESSAGE:
768                    handleHideBootMessage();
769                    break;
770                case MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK:
771                    launchVoiceAssistWithWakeLock(msg.arg1 != 0);
772                    break;
773                case MSG_POWER_DELAYED_PRESS:
774                    powerPress((Long)msg.obj, msg.arg1 != 0, msg.arg2);
775                    finishPowerKeyPress();
776                    break;
777                case MSG_POWER_LONG_PRESS:
778                    powerLongPress();
779                    break;
780                case MSG_UPDATE_DREAMING_SLEEP_TOKEN:
781                    updateDreamingSleepToken(msg.arg1 != 0);
782                    break;
783                case MSG_REQUEST_TRANSIENT_BARS:
784                    WindowState targetBar = (msg.arg1 == MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS) ?
785                            mStatusBar : mNavigationBar;
786                    if (targetBar != null) {
787                        requestTransientBars(targetBar);
788                    }
789                    break;
790                case MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU:
791                    showTvPictureInPictureMenuInternal();
792                    break;
793                case MSG_BACK_LONG_PRESS:
794                    backLongPress();
795                    break;
796                case MSG_DISPOSE_INPUT_CONSUMER:
797                    disposeInputConsumer((InputConsumer) msg.obj);
798                    break;
799            }
800        }
801    }
802
803    private UEventObserver mHDMIObserver = new UEventObserver() {
804        @Override
805        public void onUEvent(UEventObserver.UEvent event) {
806            setHdmiPlugged("1".equals(event.get("SWITCH_STATE")));
807        }
808    };
809
810    class SettingsObserver extends ContentObserver {
811        SettingsObserver(Handler handler) {
812            super(handler);
813        }
814
815        void observe() {
816            // Observe all users' changes
817            ContentResolver resolver = mContext.getContentResolver();
818            resolver.registerContentObserver(Settings.System.getUriFor(
819                    Settings.System.END_BUTTON_BEHAVIOR), false, this,
820                    UserHandle.USER_ALL);
821            resolver.registerContentObserver(Settings.Secure.getUriFor(
822                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR), false, this,
823                    UserHandle.USER_ALL);
824            resolver.registerContentObserver(Settings.Secure.getUriFor(
825                    Settings.Secure.WAKE_GESTURE_ENABLED), false, this,
826                    UserHandle.USER_ALL);
827            resolver.registerContentObserver(Settings.System.getUriFor(
828                    Settings.System.ACCELEROMETER_ROTATION), false, this,
829                    UserHandle.USER_ALL);
830            resolver.registerContentObserver(Settings.System.getUriFor(
831                    Settings.System.USER_ROTATION), false, this,
832                    UserHandle.USER_ALL);
833            resolver.registerContentObserver(Settings.System.getUriFor(
834                    Settings.System.SCREEN_OFF_TIMEOUT), false, this,
835                    UserHandle.USER_ALL);
836            resolver.registerContentObserver(Settings.System.getUriFor(
837                    Settings.System.POINTER_LOCATION), false, this,
838                    UserHandle.USER_ALL);
839            resolver.registerContentObserver(Settings.Secure.getUriFor(
840                    Settings.Secure.DEFAULT_INPUT_METHOD), false, this,
841                    UserHandle.USER_ALL);
842            resolver.registerContentObserver(Settings.Secure.getUriFor(
843                    Settings.Secure.IMMERSIVE_MODE_CONFIRMATIONS), false, this,
844                    UserHandle.USER_ALL);
845            resolver.registerContentObserver(Settings.Global.getUriFor(
846                    Settings.Global.POLICY_CONTROL), false, this,
847                    UserHandle.USER_ALL);
848            updateSettings();
849        }
850
851        @Override public void onChange(boolean selfChange) {
852            updateSettings();
853            updateRotation(false);
854        }
855    }
856
857    class MyWakeGestureListener extends WakeGestureListener {
858        MyWakeGestureListener(Context context, Handler handler) {
859            super(context, handler);
860        }
861
862        @Override
863        public void onWakeUp() {
864            synchronized (mLock) {
865                if (shouldEnableWakeGestureLp()) {
866                    performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
867                    wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromWakeGesture,
868                            "android.policy:GESTURE");
869                }
870            }
871        }
872    }
873
874    class MyOrientationListener extends WindowOrientationListener {
875        private final Runnable mUpdateRotationRunnable = new Runnable() {
876            @Override
877            public void run() {
878                // send interaction hint to improve redraw performance
879                mPowerManagerInternal.powerHint(PowerManagerInternal.POWER_HINT_INTERACTION, 0);
880                updateRotation(false);
881            }
882        };
883
884        MyOrientationListener(Context context, Handler handler) {
885            super(context, handler);
886        }
887
888        @Override
889        public void onProposedRotationChanged(int rotation) {
890            if (localLOGV) Slog.v(TAG, "onProposedRotationChanged, rotation=" + rotation);
891            mHandler.post(mUpdateRotationRunnable);
892        }
893    }
894    MyOrientationListener mOrientationListener;
895
896    private final StatusBarController mStatusBarController = new StatusBarController();
897
898    private final BarController mNavigationBarController = new BarController("NavigationBar",
899            View.NAVIGATION_BAR_TRANSIENT,
900            View.NAVIGATION_BAR_UNHIDE,
901            View.NAVIGATION_BAR_TRANSLUCENT,
902            StatusBarManager.WINDOW_NAVIGATION_BAR,
903            WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION,
904            View.NAVIGATION_BAR_TRANSPARENT);
905
906    private ImmersiveModeConfirmation mImmersiveModeConfirmation;
907
908    private SystemGesturesPointerEventListener mSystemGestures;
909
910    IStatusBarService getStatusBarService() {
911        synchronized (mServiceAquireLock) {
912            if (mStatusBarService == null) {
913                mStatusBarService = IStatusBarService.Stub.asInterface(
914                        ServiceManager.getService("statusbar"));
915            }
916            return mStatusBarService;
917        }
918    }
919
920    StatusBarManagerInternal getStatusBarManagerInternal() {
921        synchronized (mServiceAquireLock) {
922            if (mStatusBarManagerInternal == null) {
923                mStatusBarManagerInternal =
924                        LocalServices.getService(StatusBarManagerInternal.class);
925            }
926            return mStatusBarManagerInternal;
927        }
928    }
929
930    /*
931     * We always let the sensor be switched on by default except when
932     * the user has explicitly disabled sensor based rotation or when the
933     * screen is switched off.
934     */
935    boolean needSensorRunningLp() {
936        if (mSupportAutoRotation) {
937            if (mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
938                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
939                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT
940                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE) {
941                // If the application has explicitly requested to follow the
942                // orientation, then we need to turn the sensor on.
943                return true;
944            }
945        }
946        if ((mCarDockEnablesAccelerometer && mDockMode == Intent.EXTRA_DOCK_STATE_CAR) ||
947                (mDeskDockEnablesAccelerometer && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
948                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
949                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK))) {
950            // enable accelerometer if we are docked in a dock that enables accelerometer
951            // orientation management,
952            return true;
953        }
954        if (mUserRotationMode == USER_ROTATION_LOCKED) {
955            // If the setting for using the sensor by default is enabled, then
956            // we will always leave it on.  Note that the user could go to
957            // a window that forces an orientation that does not use the
958            // sensor and in theory we could turn it off... however, when next
959            // turning it on we won't have a good value for the current
960            // orientation for a little bit, which can cause orientation
961            // changes to lag, so we'd like to keep it always on.  (It will
962            // still be turned off when the screen is off.)
963            return false;
964        }
965        return mSupportAutoRotation;
966    }
967
968    /*
969     * Various use cases for invoking this function
970     * screen turning off, should always disable listeners if already enabled
971     * screen turned on and current app has sensor based orientation, enable listeners
972     * if not already enabled
973     * screen turned on and current app does not have sensor orientation, disable listeners if
974     * already enabled
975     * screen turning on and current app has sensor based orientation, enable listeners if needed
976     * screen turning on and current app has nosensor based orientation, do nothing
977     */
978    void updateOrientationListenerLp() {
979        if (!mOrientationListener.canDetectOrientation()) {
980            // If sensor is turned off or nonexistent for some reason
981            return;
982        }
983        // Could have been invoked due to screen turning on or off or
984        // change of the currently visible window's orientation.
985        if (localLOGV) Slog.v(TAG, "mScreenOnEarly=" + mScreenOnEarly
986                + ", mAwake=" + mAwake + ", mCurrentAppOrientation=" + mCurrentAppOrientation
987                + ", mOrientationSensorEnabled=" + mOrientationSensorEnabled
988                + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
989                + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
990        boolean disable = true;
991        // Note: We postpone the rotating of the screen until the keyguard as well as the
992        // window manager have reported a draw complete.
993        if (mScreenOnEarly && mAwake &&
994                mKeyguardDrawComplete && mWindowManagerDrawComplete) {
995            if (needSensorRunningLp()) {
996                disable = false;
997                //enable listener if not already enabled
998                if (!mOrientationSensorEnabled) {
999                    mOrientationListener.enable();
1000                    if(localLOGV) Slog.v(TAG, "Enabling listeners");
1001                    mOrientationSensorEnabled = true;
1002                }
1003            }
1004        }
1005        //check if sensors need to be disabled
1006        if (disable && mOrientationSensorEnabled) {
1007            mOrientationListener.disable();
1008            if(localLOGV) Slog.v(TAG, "Disabling listeners");
1009            mOrientationSensorEnabled = false;
1010        }
1011    }
1012
1013    private void interceptPowerKeyDown(KeyEvent event, boolean interactive) {
1014        // Hold a wake lock until the power key is released.
1015        if (!mPowerKeyWakeLock.isHeld()) {
1016            mPowerKeyWakeLock.acquire();
1017        }
1018
1019        // Cancel multi-press detection timeout.
1020        if (mPowerKeyPressCounter != 0) {
1021            mHandler.removeMessages(MSG_POWER_DELAYED_PRESS);
1022        }
1023
1024        // Detect user pressing the power button in panic when an application has
1025        // taken over the whole screen.
1026        boolean panic = mImmersiveModeConfirmation.onPowerKeyDown(interactive,
1027                SystemClock.elapsedRealtime(), isImmersiveMode(mLastSystemUiFlags),
1028                isNavBarEmpty(mLastSystemUiFlags));
1029        if (panic) {
1030            mHandler.post(mHiddenNavPanic);
1031        }
1032
1033        // Latch power key state to detect screenshot chord.
1034        if (interactive && !mScreenshotChordPowerKeyTriggered
1035                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
1036            mScreenshotChordPowerKeyTriggered = true;
1037            mScreenshotChordPowerKeyTime = event.getDownTime();
1038            interceptScreenshotChord();
1039        }
1040
1041        // Stop ringing or end call if configured to do so when power is pressed.
1042        TelecomManager telecomManager = getTelecommService();
1043        boolean hungUp = false;
1044        if (telecomManager != null) {
1045            if (telecomManager.isRinging()) {
1046                // Pressing Power while there's a ringing incoming
1047                // call should silence the ringer.
1048                telecomManager.silenceRinger();
1049            } else if ((mIncallPowerBehavior
1050                    & Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP) != 0
1051                    && telecomManager.isInCall() && interactive) {
1052                // Otherwise, if "Power button ends call" is enabled,
1053                // the Power button will hang up any current active call.
1054                hungUp = telecomManager.endCall();
1055            }
1056        }
1057
1058        GestureLauncherService gestureService = LocalServices.getService(
1059                GestureLauncherService.class);
1060        boolean gesturedServiceIntercepted = false;
1061        if (gestureService != null) {
1062            gesturedServiceIntercepted = gestureService.interceptPowerKeyDown(event, interactive,
1063                    mTmpBoolean);
1064            if (mTmpBoolean.value && mGoingToSleep) {
1065                mCameraGestureTriggeredDuringGoingToSleep = true;
1066            }
1067        }
1068
1069        // If the power key has still not yet been handled, then detect short
1070        // press, long press, or multi press and decide what to do.
1071        mPowerKeyHandled = hungUp || mScreenshotChordVolumeDownKeyTriggered
1072                || mScreenshotChordVolumeUpKeyTriggered || gesturedServiceIntercepted;
1073        if (!mPowerKeyHandled) {
1074            if (interactive) {
1075                // When interactive, we're already awake.
1076                // Wait for a long press or for the button to be released to decide what to do.
1077                if (hasLongPressOnPowerBehavior()) {
1078                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
1079                    msg.setAsynchronous(true);
1080                    mHandler.sendMessageDelayed(msg,
1081                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1082                }
1083            } else {
1084                wakeUpFromPowerKey(event.getDownTime());
1085
1086                if (mSupportLongPressPowerWhenNonInteractive && hasLongPressOnPowerBehavior()) {
1087                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
1088                    msg.setAsynchronous(true);
1089                    mHandler.sendMessageDelayed(msg,
1090                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1091                    mBeganFromNonInteractive = true;
1092                } else {
1093                    final int maxCount = getMaxMultiPressPowerCount();
1094
1095                    if (maxCount <= 1) {
1096                        mPowerKeyHandled = true;
1097                    } else {
1098                        mBeganFromNonInteractive = true;
1099                    }
1100                }
1101            }
1102        }
1103    }
1104
1105    private void interceptPowerKeyUp(KeyEvent event, boolean interactive, boolean canceled) {
1106        final boolean handled = canceled || mPowerKeyHandled;
1107        mScreenshotChordPowerKeyTriggered = false;
1108        cancelPendingScreenshotChordAction();
1109        cancelPendingPowerKeyAction();
1110
1111        if (!handled) {
1112            // Figure out how to handle the key now that it has been released.
1113            mPowerKeyPressCounter += 1;
1114
1115            final int maxCount = getMaxMultiPressPowerCount();
1116            final long eventTime = event.getDownTime();
1117            if (mPowerKeyPressCounter < maxCount) {
1118                // This could be a multi-press.  Wait a little bit longer to confirm.
1119                // Continue holding the wake lock.
1120                Message msg = mHandler.obtainMessage(MSG_POWER_DELAYED_PRESS,
1121                        interactive ? 1 : 0, mPowerKeyPressCounter, eventTime);
1122                msg.setAsynchronous(true);
1123                mHandler.sendMessageDelayed(msg, ViewConfiguration.getDoubleTapTimeout());
1124                return;
1125            }
1126
1127            // No other actions.  Handle it immediately.
1128            powerPress(eventTime, interactive, mPowerKeyPressCounter);
1129        }
1130
1131        // Done.  Reset our state.
1132        finishPowerKeyPress();
1133    }
1134
1135    private void finishPowerKeyPress() {
1136        mBeganFromNonInteractive = false;
1137        mPowerKeyPressCounter = 0;
1138        if (mPowerKeyWakeLock.isHeld()) {
1139            mPowerKeyWakeLock.release();
1140        }
1141    }
1142
1143    private void cancelPendingPowerKeyAction() {
1144        if (!mPowerKeyHandled) {
1145            mPowerKeyHandled = true;
1146            mHandler.removeMessages(MSG_POWER_LONG_PRESS);
1147        }
1148    }
1149
1150    private void cancelPendingBackKeyAction() {
1151        if (!mBackKeyHandled) {
1152            mBackKeyHandled = true;
1153            mHandler.removeMessages(MSG_BACK_LONG_PRESS);
1154        }
1155    }
1156
1157    private void powerPress(long eventTime, boolean interactive, int count) {
1158        if (mScreenOnEarly && !mScreenOnFully) {
1159            Slog.i(TAG, "Suppressed redundant power key press while "
1160                    + "already in the process of turning the screen on.");
1161            return;
1162        }
1163
1164        if (count == 2) {
1165            powerMultiPressAction(eventTime, interactive, mDoublePressOnPowerBehavior);
1166        } else if (count == 3) {
1167            powerMultiPressAction(eventTime, interactive, mTriplePressOnPowerBehavior);
1168        } else if (interactive && !mBeganFromNonInteractive) {
1169            switch (mShortPressOnPowerBehavior) {
1170                case SHORT_PRESS_POWER_NOTHING:
1171                    break;
1172                case SHORT_PRESS_POWER_GO_TO_SLEEP:
1173                    mPowerManager.goToSleep(eventTime,
1174                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1175                    break;
1176                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP:
1177                    mPowerManager.goToSleep(eventTime,
1178                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1179                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1180                    break;
1181                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME:
1182                    mPowerManager.goToSleep(eventTime,
1183                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1184                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1185                    launchHomeFromHotKey();
1186                    break;
1187                case SHORT_PRESS_POWER_GO_HOME:
1188                    launchHomeFromHotKey(true /* awakenFromDreams */, false /*respectKeyguard*/);
1189                    break;
1190            }
1191        }
1192    }
1193
1194    private void powerMultiPressAction(long eventTime, boolean interactive, int behavior) {
1195        switch (behavior) {
1196            case MULTI_PRESS_POWER_NOTHING:
1197                break;
1198            case MULTI_PRESS_POWER_THEATER_MODE:
1199                if (!isUserSetupComplete()) {
1200                    Slog.i(TAG, "Ignoring toggling theater mode - device not setup.");
1201                    break;
1202                }
1203
1204                if (isTheaterModeEnabled()) {
1205                    Slog.i(TAG, "Toggling theater mode off.");
1206                    Settings.Global.putInt(mContext.getContentResolver(),
1207                            Settings.Global.THEATER_MODE_ON, 0);
1208                    if (!interactive) {
1209                        wakeUpFromPowerKey(eventTime);
1210                    }
1211                } else {
1212                    Slog.i(TAG, "Toggling theater mode on.");
1213                    Settings.Global.putInt(mContext.getContentResolver(),
1214                            Settings.Global.THEATER_MODE_ON, 1);
1215
1216                    if (mGoToSleepOnButtonPressTheaterMode && interactive) {
1217                        mPowerManager.goToSleep(eventTime,
1218                                PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1219                    }
1220                }
1221                break;
1222            case MULTI_PRESS_POWER_BRIGHTNESS_BOOST:
1223                Slog.i(TAG, "Starting brightness boost.");
1224                if (!interactive) {
1225                    wakeUpFromPowerKey(eventTime);
1226                }
1227                mPowerManager.boostScreenBrightness(eventTime);
1228                break;
1229        }
1230    }
1231
1232    private int getMaxMultiPressPowerCount() {
1233        if (mTriplePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1234            return 3;
1235        }
1236        if (mDoublePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1237            return 2;
1238        }
1239        return 1;
1240    }
1241
1242    private void powerLongPress() {
1243        final int behavior = getResolvedLongPressOnPowerBehavior();
1244        switch (behavior) {
1245        case LONG_PRESS_POWER_NOTHING:
1246            break;
1247        case LONG_PRESS_POWER_GLOBAL_ACTIONS:
1248            mPowerKeyHandled = true;
1249            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1250                performAuditoryFeedbackForAccessibilityIfNeed();
1251            }
1252            showGlobalActionsInternal();
1253            break;
1254        case LONG_PRESS_POWER_SHUT_OFF:
1255        case LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM:
1256            mPowerKeyHandled = true;
1257            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1258            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1259            mWindowManagerFuncs.shutdown(behavior == LONG_PRESS_POWER_SHUT_OFF);
1260            break;
1261        }
1262    }
1263
1264    private void backLongPress() {
1265        mBackKeyHandled = true;
1266
1267        switch (mLongPressOnBackBehavior) {
1268            case LONG_PRESS_BACK_NOTHING:
1269                break;
1270            case LONG_PRESS_BACK_GO_TO_VOICE_ASSIST:
1271                Intent intent = new Intent(Intent.ACTION_VOICE_ASSIST);
1272                startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
1273                break;
1274        }
1275    }
1276
1277    private void disposeInputConsumer(InputConsumer inputConsumer) {
1278        if (inputConsumer != null) {
1279            inputConsumer.dismiss();
1280        }
1281    }
1282
1283    private void sleepPress(long eventTime) {
1284        if (mShortPressOnSleepBehavior == SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME) {
1285            launchHomeFromHotKey(false /* awakenDreams */, true /*respectKeyguard*/);
1286        }
1287    }
1288
1289    private void sleepRelease(long eventTime) {
1290        switch (mShortPressOnSleepBehavior) {
1291            case SHORT_PRESS_SLEEP_GO_TO_SLEEP:
1292            case SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME:
1293                Slog.i(TAG, "sleepRelease() calling goToSleep(GO_TO_SLEEP_REASON_SLEEP_BUTTON)");
1294                mPowerManager.goToSleep(eventTime,
1295                       PowerManager.GO_TO_SLEEP_REASON_SLEEP_BUTTON, 0);
1296                break;
1297        }
1298    }
1299
1300    private int getResolvedLongPressOnPowerBehavior() {
1301        if (FactoryTest.isLongPressOnPowerOffEnabled()) {
1302            return LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;
1303        }
1304        return mLongPressOnPowerBehavior;
1305    }
1306
1307    private boolean hasLongPressOnPowerBehavior() {
1308        return getResolvedLongPressOnPowerBehavior() != LONG_PRESS_POWER_NOTHING;
1309    }
1310
1311    private boolean hasLongPressOnBackBehavior() {
1312        return mLongPressOnBackBehavior != LONG_PRESS_BACK_NOTHING;
1313    }
1314
1315    private void interceptScreenshotChord() {
1316        if (mScreenshotChordEnabled
1317                && mScreenshotChordVolumeDownKeyTriggered && mScreenshotChordPowerKeyTriggered
1318                && !mScreenshotChordVolumeUpKeyTriggered) {
1319            final long now = SystemClock.uptimeMillis();
1320            if (now <= mScreenshotChordVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS
1321                    && now <= mScreenshotChordPowerKeyTime
1322                            + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS) {
1323                mScreenshotChordVolumeDownKeyConsumed = true;
1324                cancelPendingPowerKeyAction();
1325                mScreenshotRunnable.setScreenshotType(TAKE_SCREENSHOT_FULLSCREEN);
1326                mHandler.postDelayed(mScreenshotRunnable, getScreenshotChordLongPressDelay());
1327            }
1328        }
1329    }
1330
1331    private long getScreenshotChordLongPressDelay() {
1332        if (mKeyguardDelegate.isShowing()) {
1333            // Double the time it takes to take a screenshot from the keyguard
1334            return (long) (KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER *
1335                    ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1336        }
1337        return ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout();
1338    }
1339
1340    private void cancelPendingScreenshotChordAction() {
1341        mHandler.removeCallbacks(mScreenshotRunnable);
1342    }
1343
1344    private final Runnable mEndCallLongPress = new Runnable() {
1345        @Override
1346        public void run() {
1347            mEndCallKeyHandled = true;
1348            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1349                performAuditoryFeedbackForAccessibilityIfNeed();
1350            }
1351            showGlobalActionsInternal();
1352        }
1353    };
1354
1355    private class ScreenshotRunnable implements Runnable {
1356        private int mScreenshotType = TAKE_SCREENSHOT_FULLSCREEN;
1357
1358        public void setScreenshotType(int screenshotType) {
1359            mScreenshotType = screenshotType;
1360        }
1361
1362        @Override
1363        public void run() {
1364            takeScreenshot(mScreenshotType);
1365        }
1366    }
1367
1368    private final ScreenshotRunnable mScreenshotRunnable = new ScreenshotRunnable();
1369
1370    @Override
1371    public void showGlobalActions() {
1372        mHandler.removeMessages(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1373        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1374    }
1375
1376    void showGlobalActionsInternal() {
1377        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1378        if (mGlobalActions == null) {
1379            mGlobalActions = new GlobalActions(mContext, mWindowManagerFuncs);
1380        }
1381        final boolean keyguardShowing = isKeyguardShowingAndNotOccluded();
1382        mGlobalActions.showDialog(keyguardShowing, isDeviceProvisioned());
1383        if (keyguardShowing) {
1384            // since it took two seconds of long press to bring this up,
1385            // poke the wake lock so they have some time to see the dialog.
1386            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
1387        }
1388    }
1389
1390    boolean isDeviceProvisioned() {
1391        return Settings.Global.getInt(
1392                mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0;
1393    }
1394
1395    boolean isUserSetupComplete() {
1396        return Settings.Secure.getIntForUser(mContext.getContentResolver(),
1397                Settings.Secure.USER_SETUP_COMPLETE, 0, UserHandle.USER_CURRENT) != 0;
1398    }
1399
1400    private void handleShortPressOnHome() {
1401        // Turn on the connected TV and switch HDMI input if we're a HDMI playback device.
1402        getHdmiControl().turnOnTv();
1403
1404        // If there's a dream running then use home to escape the dream
1405        // but don't actually go home.
1406        if (mDreamManagerInternal != null && mDreamManagerInternal.isDreaming()) {
1407            mDreamManagerInternal.stopDream(false /*immediate*/);
1408            return;
1409        }
1410
1411        // Go home!
1412        launchHomeFromHotKey();
1413    }
1414
1415    /**
1416     * Creates an accessor to HDMI control service that performs the operation of
1417     * turning on TV (optional) and switching input to us. If HDMI control service
1418     * is not available or we're not a HDMI playback device, the operation is no-op.
1419     */
1420    private HdmiControl getHdmiControl() {
1421        if (null == mHdmiControl) {
1422            HdmiControlManager manager = (HdmiControlManager) mContext.getSystemService(
1423                        Context.HDMI_CONTROL_SERVICE);
1424            HdmiPlaybackClient client = null;
1425            if (manager != null) {
1426                client = manager.getPlaybackClient();
1427            }
1428            mHdmiControl = new HdmiControl(client);
1429        }
1430        return mHdmiControl;
1431    }
1432
1433    private static class HdmiControl {
1434        private final HdmiPlaybackClient mClient;
1435
1436        private HdmiControl(HdmiPlaybackClient client) {
1437            mClient = client;
1438        }
1439
1440        public void turnOnTv() {
1441            if (mClient == null) {
1442                return;
1443            }
1444            mClient.oneTouchPlay(new OneTouchPlayCallback() {
1445                @Override
1446                public void onComplete(int result) {
1447                    if (result != HdmiControlManager.RESULT_SUCCESS) {
1448                        Log.w(TAG, "One touch play failed: " + result);
1449                    }
1450                }
1451            });
1452        }
1453    }
1454
1455    private void handleLongPressOnHome(int deviceId) {
1456        if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_NOTHING) {
1457            return;
1458        }
1459        mHomeConsumed = true;
1460        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1461
1462        switch (mLongPressOnHomeBehavior) {
1463            case LONG_PRESS_HOME_RECENT_SYSTEM_UI:
1464                toggleRecentApps();
1465                break;
1466            case LONG_PRESS_HOME_ASSIST:
1467                launchAssistAction(null, deviceId);
1468                break;
1469            default:
1470                Log.w(TAG, "Undefined home long press behavior: " + mLongPressOnHomeBehavior);
1471                break;
1472        }
1473    }
1474
1475    private void handleDoubleTapOnHome() {
1476        if (mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1477            mHomeConsumed = true;
1478            toggleRecentApps();
1479        }
1480    }
1481
1482    private void showTvPictureInPictureMenu(KeyEvent event) {
1483        if (DEBUG_INPUT) Log.d(TAG, "showTvPictureInPictureMenu event=" + event);
1484        mHandler.removeMessages(MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU);
1485        Message msg = mHandler.obtainMessage(MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU);
1486        msg.setAsynchronous(true);
1487        msg.sendToTarget();
1488    }
1489
1490    private void showTvPictureInPictureMenuInternal() {
1491        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
1492        if (statusbar != null) {
1493            statusbar.showTvPictureInPictureMenu();
1494        }
1495    }
1496
1497    private final Runnable mHomeDoubleTapTimeoutRunnable = new Runnable() {
1498        @Override
1499        public void run() {
1500            if (mHomeDoubleTapPending) {
1501                mHomeDoubleTapPending = false;
1502                handleShortPressOnHome();
1503            }
1504        }
1505    };
1506
1507    private boolean isRoundWindow() {
1508        return mContext.getResources().getConfiguration().isScreenRound();
1509    }
1510
1511    /** {@inheritDoc} */
1512    @Override
1513    public void init(Context context, IWindowManager windowManager,
1514            WindowManagerFuncs windowManagerFuncs) {
1515        mContext = context;
1516        mWindowManager = windowManager;
1517        mWindowManagerFuncs = windowManagerFuncs;
1518        mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class);
1519        mActivityManagerInternal = LocalServices.getService(ActivityManagerInternal.class);
1520        mInputManagerInternal = LocalServices.getService(InputManagerInternal.class);
1521        mDreamManagerInternal = LocalServices.getService(DreamManagerInternal.class);
1522        mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class);
1523        mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
1524        mHasFeatureWatch = mContext.getPackageManager().hasSystemFeature(FEATURE_WATCH);
1525
1526        // Init display burn-in protection
1527        boolean burnInProtectionEnabled = context.getResources().getBoolean(
1528                com.android.internal.R.bool.config_enableBurnInProtection);
1529        // Allow a system property to override this. Used by developer settings.
1530        boolean burnInProtectionDevMode =
1531                SystemProperties.getBoolean("persist.debug.force_burn_in", false);
1532        if (burnInProtectionEnabled || burnInProtectionDevMode) {
1533            final int minHorizontal;
1534            final int maxHorizontal;
1535            final int minVertical;
1536            final int maxVertical;
1537            final int maxRadius;
1538            if (burnInProtectionDevMode) {
1539                minHorizontal = -8;
1540                maxHorizontal = 8;
1541                minVertical = -8;
1542                maxVertical = -4;
1543                maxRadius = (isRoundWindow()) ? 6 : -1;
1544            } else {
1545                Resources resources = context.getResources();
1546                minHorizontal = resources.getInteger(
1547                        com.android.internal.R.integer.config_burnInProtectionMinHorizontalOffset);
1548                maxHorizontal = resources.getInteger(
1549                        com.android.internal.R.integer.config_burnInProtectionMaxHorizontalOffset);
1550                minVertical = resources.getInteger(
1551                        com.android.internal.R.integer.config_burnInProtectionMinVerticalOffset);
1552                maxVertical = resources.getInteger(
1553                        com.android.internal.R.integer.config_burnInProtectionMaxVerticalOffset);
1554                maxRadius = resources.getInteger(
1555                        com.android.internal.R.integer.config_burnInProtectionMaxRadius);
1556            }
1557            mBurnInProtectionHelper = new BurnInProtectionHelper(
1558                    context, minHorizontal, maxHorizontal, minVertical, maxVertical, maxRadius);
1559        }
1560
1561        mHandler = new PolicyHandler();
1562        mWakeGestureListener = new MyWakeGestureListener(mContext, mHandler);
1563        mOrientationListener = new MyOrientationListener(mContext, mHandler);
1564        try {
1565            mOrientationListener.setCurrentRotation(windowManager.getRotation());
1566        } catch (RemoteException ex) { }
1567        mSettingsObserver = new SettingsObserver(mHandler);
1568        mSettingsObserver.observe();
1569        mShortcutManager = new ShortcutManager(context);
1570        mUiMode = context.getResources().getInteger(
1571                com.android.internal.R.integer.config_defaultUiModeType);
1572        mHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
1573        mHomeIntent.addCategory(Intent.CATEGORY_HOME);
1574        mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1575                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1576        mEnableCarDockHomeCapture = context.getResources().getBoolean(
1577                com.android.internal.R.bool.config_enableCarDockHomeLaunch);
1578        mCarDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1579        mCarDockIntent.addCategory(Intent.CATEGORY_CAR_DOCK);
1580        mCarDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1581                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1582        mDeskDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1583        mDeskDockIntent.addCategory(Intent.CATEGORY_DESK_DOCK);
1584        mDeskDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1585                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1586
1587        mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
1588        mBroadcastWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1589                "PhoneWindowManager.mBroadcastWakeLock");
1590        mPowerKeyWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1591                "PhoneWindowManager.mPowerKeyWakeLock");
1592        mEnableShiftMenuBugReports = "1".equals(SystemProperties.get("ro.debuggable"));
1593        mSupportAutoRotation = mContext.getResources().getBoolean(
1594                com.android.internal.R.bool.config_supportAutoRotation);
1595        mLidOpenRotation = readRotation(
1596                com.android.internal.R.integer.config_lidOpenRotation);
1597        mCarDockRotation = readRotation(
1598                com.android.internal.R.integer.config_carDockRotation);
1599        mDeskDockRotation = readRotation(
1600                com.android.internal.R.integer.config_deskDockRotation);
1601        mUndockedHdmiRotation = readRotation(
1602                com.android.internal.R.integer.config_undockedHdmiRotation);
1603        mCarDockEnablesAccelerometer = mContext.getResources().getBoolean(
1604                com.android.internal.R.bool.config_carDockEnablesAccelerometer);
1605        mDeskDockEnablesAccelerometer = mContext.getResources().getBoolean(
1606                com.android.internal.R.bool.config_deskDockEnablesAccelerometer);
1607        mLidKeyboardAccessibility = mContext.getResources().getInteger(
1608                com.android.internal.R.integer.config_lidKeyboardAccessibility);
1609        mLidNavigationAccessibility = mContext.getResources().getInteger(
1610                com.android.internal.R.integer.config_lidNavigationAccessibility);
1611        mLidControlsScreenLock = mContext.getResources().getBoolean(
1612                com.android.internal.R.bool.config_lidControlsScreenLock);
1613        mLidControlsSleep = mContext.getResources().getBoolean(
1614                com.android.internal.R.bool.config_lidControlsSleep);
1615        mTranslucentDecorEnabled = mContext.getResources().getBoolean(
1616                com.android.internal.R.bool.config_enableTranslucentDecor);
1617
1618        mAllowTheaterModeWakeFromKey = mContext.getResources().getBoolean(
1619                com.android.internal.R.bool.config_allowTheaterModeWakeFromKey);
1620        mAllowTheaterModeWakeFromPowerKey = mAllowTheaterModeWakeFromKey
1621                || mContext.getResources().getBoolean(
1622                    com.android.internal.R.bool.config_allowTheaterModeWakeFromPowerKey);
1623        mAllowTheaterModeWakeFromMotion = mContext.getResources().getBoolean(
1624                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotion);
1625        mAllowTheaterModeWakeFromMotionWhenNotDreaming = mContext.getResources().getBoolean(
1626                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotionWhenNotDreaming);
1627        mAllowTheaterModeWakeFromCameraLens = mContext.getResources().getBoolean(
1628                com.android.internal.R.bool.config_allowTheaterModeWakeFromCameraLens);
1629        mAllowTheaterModeWakeFromLidSwitch = mContext.getResources().getBoolean(
1630                com.android.internal.R.bool.config_allowTheaterModeWakeFromLidSwitch);
1631        mAllowTheaterModeWakeFromWakeGesture = mContext.getResources().getBoolean(
1632                com.android.internal.R.bool.config_allowTheaterModeWakeFromGesture);
1633
1634        mGoToSleepOnButtonPressTheaterMode = mContext.getResources().getBoolean(
1635                com.android.internal.R.bool.config_goToSleepOnButtonPressTheaterMode);
1636
1637        mSupportLongPressPowerWhenNonInteractive = mContext.getResources().getBoolean(
1638                com.android.internal.R.bool.config_supportLongPressPowerWhenNonInteractive);
1639
1640        mLongPressOnBackBehavior = mContext.getResources().getInteger(
1641                com.android.internal.R.integer.config_longPressOnBackBehavior);
1642
1643        mShortPressOnPowerBehavior = mContext.getResources().getInteger(
1644                com.android.internal.R.integer.config_shortPressOnPowerBehavior);
1645        mLongPressOnPowerBehavior = mContext.getResources().getInteger(
1646                com.android.internal.R.integer.config_longPressOnPowerBehavior);
1647        mDoublePressOnPowerBehavior = mContext.getResources().getInteger(
1648                com.android.internal.R.integer.config_doublePressOnPowerBehavior);
1649        mTriplePressOnPowerBehavior = mContext.getResources().getInteger(
1650                com.android.internal.R.integer.config_triplePressOnPowerBehavior);
1651        mShortPressOnSleepBehavior = mContext.getResources().getInteger(
1652                com.android.internal.R.integer.config_shortPressOnSleepBehavior);
1653
1654        mUseTvRouting = AudioSystem.getPlatformType(mContext) == AudioSystem.PLATFORM_TELEVISION;
1655
1656        readConfigurationDependentBehaviors();
1657
1658        mAccessibilityManager = (AccessibilityManager) context.getSystemService(
1659                Context.ACCESSIBILITY_SERVICE);
1660
1661        // register for dock events
1662        IntentFilter filter = new IntentFilter();
1663        filter.addAction(UiModeManager.ACTION_ENTER_CAR_MODE);
1664        filter.addAction(UiModeManager.ACTION_EXIT_CAR_MODE);
1665        filter.addAction(UiModeManager.ACTION_ENTER_DESK_MODE);
1666        filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
1667        filter.addAction(Intent.ACTION_DOCK_EVENT);
1668        Intent intent = context.registerReceiver(mDockReceiver, filter);
1669        if (intent != null) {
1670            // Retrieve current sticky dock event broadcast.
1671            mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
1672                    Intent.EXTRA_DOCK_STATE_UNDOCKED);
1673        }
1674
1675        // register for dream-related broadcasts
1676        filter = new IntentFilter();
1677        filter.addAction(Intent.ACTION_DREAMING_STARTED);
1678        filter.addAction(Intent.ACTION_DREAMING_STOPPED);
1679        context.registerReceiver(mDreamReceiver, filter);
1680
1681        // register for multiuser-relevant broadcasts
1682        filter = new IntentFilter(Intent.ACTION_USER_SWITCHED);
1683        context.registerReceiver(mMultiuserReceiver, filter);
1684
1685        // monitor for system gestures
1686        mSystemGestures = new SystemGesturesPointerEventListener(context,
1687                new SystemGesturesPointerEventListener.Callbacks() {
1688                    @Override
1689                    public void onSwipeFromTop() {
1690                        if (mStatusBar != null) {
1691                            requestTransientBars(mStatusBar);
1692                        }
1693                    }
1694                    @Override
1695                    public void onSwipeFromBottom() {
1696                        if (mNavigationBar != null && mNavigationBarPosition == NAV_BAR_BOTTOM) {
1697                            requestTransientBars(mNavigationBar);
1698                        }
1699                    }
1700                    @Override
1701                    public void onSwipeFromRight() {
1702                        if (mNavigationBar != null && mNavigationBarPosition == NAV_BAR_RIGHT) {
1703                            requestTransientBars(mNavigationBar);
1704                        }
1705                    }
1706                    @Override
1707                    public void onSwipeFromLeft() {
1708                        if (mNavigationBar != null && mNavigationBarPosition == NAV_BAR_LEFT) {
1709                            requestTransientBars(mNavigationBar);
1710                        }
1711                    }
1712                    @Override
1713                    public void onFling(int duration) {
1714                        if (mPowerManagerInternal != null) {
1715                            mPowerManagerInternal.powerHint(
1716                                    PowerManagerInternal.POWER_HINT_INTERACTION, duration);
1717                        }
1718                    }
1719                    @Override
1720                    public void onDebug() {
1721                        // no-op
1722                    }
1723                    @Override
1724                    public void onDown() {
1725                        mOrientationListener.onTouchStart();
1726                    }
1727                    @Override
1728                    public void onUpOrCancel() {
1729                        mOrientationListener.onTouchEnd();
1730                    }
1731                    @Override
1732                    public void onMouseHoverAtTop() {
1733                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1734                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
1735                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS;
1736                        mHandler.sendMessageDelayed(msg, 500);
1737                    }
1738                    @Override
1739                    public void onMouseHoverAtBottom() {
1740                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1741                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
1742                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION;
1743                        mHandler.sendMessageDelayed(msg, 500);
1744                    }
1745                    @Override
1746                    public void onMouseLeaveFromEdge() {
1747                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1748                    }
1749                });
1750        mImmersiveModeConfirmation = new ImmersiveModeConfirmation(mContext);
1751        mWindowManagerFuncs.registerPointerEventListener(mSystemGestures);
1752
1753        mVibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE);
1754        mLongPressVibePattern = getLongIntArray(mContext.getResources(),
1755                com.android.internal.R.array.config_longPressVibePattern);
1756        mVirtualKeyVibePattern = getLongIntArray(mContext.getResources(),
1757                com.android.internal.R.array.config_virtualKeyVibePattern);
1758        mKeyboardTapVibePattern = getLongIntArray(mContext.getResources(),
1759                com.android.internal.R.array.config_keyboardTapVibePattern);
1760        mClockTickVibePattern = getLongIntArray(mContext.getResources(),
1761                com.android.internal.R.array.config_clockTickVibePattern);
1762        mCalendarDateVibePattern = getLongIntArray(mContext.getResources(),
1763                com.android.internal.R.array.config_calendarDateVibePattern);
1764        mSafeModeDisabledVibePattern = getLongIntArray(mContext.getResources(),
1765                com.android.internal.R.array.config_safeModeDisabledVibePattern);
1766        mSafeModeEnabledVibePattern = getLongIntArray(mContext.getResources(),
1767                com.android.internal.R.array.config_safeModeEnabledVibePattern);
1768        mContextClickVibePattern = getLongIntArray(mContext.getResources(),
1769                com.android.internal.R.array.config_contextClickVibePattern);
1770
1771        mScreenshotChordEnabled = mContext.getResources().getBoolean(
1772                com.android.internal.R.bool.config_enableScreenshotChord);
1773
1774        mGlobalKeyManager = new GlobalKeyManager(mContext);
1775
1776        // Controls rotation and the like.
1777        initializeHdmiState();
1778
1779        // Match current screen state.
1780        if (!mPowerManager.isInteractive()) {
1781            startedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1782            finishedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1783        }
1784
1785        mWindowManagerInternal.registerAppTransitionListener(
1786                mStatusBarController.getAppTransitionListener());
1787    }
1788
1789    /**
1790     * Read values from config.xml that may be overridden depending on
1791     * the configuration of the device.
1792     * eg. Disable long press on home goes to recents on sw600dp.
1793     */
1794    private void readConfigurationDependentBehaviors() {
1795        final Resources res = mContext.getResources();
1796
1797        mLongPressOnHomeBehavior = res.getInteger(
1798                com.android.internal.R.integer.config_longPressOnHomeBehavior);
1799        if (mLongPressOnHomeBehavior < LONG_PRESS_HOME_NOTHING ||
1800                mLongPressOnHomeBehavior > LAST_LONG_PRESS_HOME_BEHAVIOR) {
1801            mLongPressOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1802        }
1803
1804        mDoubleTapOnHomeBehavior = res.getInteger(
1805                com.android.internal.R.integer.config_doubleTapOnHomeBehavior);
1806        if (mDoubleTapOnHomeBehavior < DOUBLE_TAP_HOME_NOTHING ||
1807                mDoubleTapOnHomeBehavior > DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1808            mDoubleTapOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1809        }
1810
1811        mShortPressWindowBehavior = SHORT_PRESS_WINDOW_NOTHING;
1812        if (mContext.getPackageManager().hasSystemFeature(FEATURE_PICTURE_IN_PICTURE)) {
1813            mShortPressWindowBehavior = SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE;
1814        }
1815
1816        mNavBarOpacityMode = res.getInteger(
1817                com.android.internal.R.integer.config_navBarOpacityMode);
1818    }
1819
1820    @Override
1821    public void setInitialDisplaySize(Display display, int width, int height, int density) {
1822        // This method might be called before the policy has been fully initialized
1823        // or for other displays we don't care about.
1824        if (mContext == null || display.getDisplayId() != Display.DEFAULT_DISPLAY) {
1825            return;
1826        }
1827        mDisplay = display;
1828
1829        final Resources res = mContext.getResources();
1830        int shortSize, longSize;
1831        if (width > height) {
1832            shortSize = height;
1833            longSize = width;
1834            mLandscapeRotation = Surface.ROTATION_0;
1835            mSeascapeRotation = Surface.ROTATION_180;
1836            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1837                mPortraitRotation = Surface.ROTATION_90;
1838                mUpsideDownRotation = Surface.ROTATION_270;
1839            } else {
1840                mPortraitRotation = Surface.ROTATION_270;
1841                mUpsideDownRotation = Surface.ROTATION_90;
1842            }
1843        } else {
1844            shortSize = width;
1845            longSize = height;
1846            mPortraitRotation = Surface.ROTATION_0;
1847            mUpsideDownRotation = Surface.ROTATION_180;
1848            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1849                mLandscapeRotation = Surface.ROTATION_270;
1850                mSeascapeRotation = Surface.ROTATION_90;
1851            } else {
1852                mLandscapeRotation = Surface.ROTATION_90;
1853                mSeascapeRotation = Surface.ROTATION_270;
1854            }
1855        }
1856
1857        // SystemUI (status bar) layout policy
1858        int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT / density;
1859        int longSizeDp = longSize * DisplayMetrics.DENSITY_DEFAULT / density;
1860
1861        // Allow the navigation bar to move on non-square small devices (phones).
1862        mNavigationBarCanMove = width != height && shortSizeDp < 600;
1863
1864        mHasNavigationBar = res.getBoolean(com.android.internal.R.bool.config_showNavigationBar);
1865
1866        // Allow a system property to override this. Used by the emulator.
1867        // See also hasNavigationBar().
1868        String navBarOverride = SystemProperties.get("qemu.hw.mainkeys");
1869        if ("1".equals(navBarOverride)) {
1870            mHasNavigationBar = false;
1871        } else if ("0".equals(navBarOverride)) {
1872            mHasNavigationBar = true;
1873        }
1874
1875        // For demo purposes, allow the rotation of the HDMI display to be controlled.
1876        // By default, HDMI locks rotation to landscape.
1877        if ("portrait".equals(SystemProperties.get("persist.demo.hdmirotation"))) {
1878            mDemoHdmiRotation = mPortraitRotation;
1879        } else {
1880            mDemoHdmiRotation = mLandscapeRotation;
1881        }
1882        mDemoHdmiRotationLock = SystemProperties.getBoolean("persist.demo.hdmirotationlock", false);
1883
1884        // For demo purposes, allow the rotation of the remote display to be controlled.
1885        // By default, remote display locks rotation to landscape.
1886        if ("portrait".equals(SystemProperties.get("persist.demo.remoterotation"))) {
1887            mDemoRotation = mPortraitRotation;
1888        } else {
1889            mDemoRotation = mLandscapeRotation;
1890        }
1891        mDemoRotationLock = SystemProperties.getBoolean(
1892                "persist.demo.rotationlock", false);
1893
1894        // Only force the default orientation if the screen is xlarge, at least 960dp x 720dp, per
1895        // http://developer.android.com/guide/practices/screens_support.html#range
1896        mForceDefaultOrientation = longSizeDp >= 960 && shortSizeDp >= 720 &&
1897                res.getBoolean(com.android.internal.R.bool.config_forceDefaultOrientation) &&
1898                // For debug purposes the next line turns this feature off with:
1899                // $ adb shell setprop config.override_forced_orient true
1900                // $ adb shell wm size reset
1901                !"true".equals(SystemProperties.get("config.override_forced_orient"));
1902    }
1903
1904    /**
1905     * @return whether the navigation bar can be hidden, e.g. the device has a
1906     *         navigation bar and touch exploration is not enabled
1907     */
1908    private boolean canHideNavigationBar() {
1909        return mHasNavigationBar;
1910    }
1911
1912    @Override
1913    public boolean isDefaultOrientationForced() {
1914        return mForceDefaultOrientation;
1915    }
1916
1917    @Override
1918    public void setDisplayOverscan(Display display, int left, int top, int right, int bottom) {
1919        if (display.getDisplayId() == Display.DEFAULT_DISPLAY) {
1920            mOverscanLeft = left;
1921            mOverscanTop = top;
1922            mOverscanRight = right;
1923            mOverscanBottom = bottom;
1924        }
1925    }
1926
1927    public void updateSettings() {
1928        ContentResolver resolver = mContext.getContentResolver();
1929        boolean updateRotation = false;
1930        synchronized (mLock) {
1931            mEndcallBehavior = Settings.System.getIntForUser(resolver,
1932                    Settings.System.END_BUTTON_BEHAVIOR,
1933                    Settings.System.END_BUTTON_BEHAVIOR_DEFAULT,
1934                    UserHandle.USER_CURRENT);
1935            mIncallPowerBehavior = Settings.Secure.getIntForUser(resolver,
1936                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
1937                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT,
1938                    UserHandle.USER_CURRENT);
1939
1940            // Configure wake gesture.
1941            boolean wakeGestureEnabledSetting = Settings.Secure.getIntForUser(resolver,
1942                    Settings.Secure.WAKE_GESTURE_ENABLED, 0,
1943                    UserHandle.USER_CURRENT) != 0;
1944            if (mWakeGestureEnabledSetting != wakeGestureEnabledSetting) {
1945                mWakeGestureEnabledSetting = wakeGestureEnabledSetting;
1946                updateWakeGestureListenerLp();
1947            }
1948
1949            // Configure rotation lock.
1950            int userRotation = Settings.System.getIntForUser(resolver,
1951                    Settings.System.USER_ROTATION, Surface.ROTATION_0,
1952                    UserHandle.USER_CURRENT);
1953            if (mUserRotation != userRotation) {
1954                mUserRotation = userRotation;
1955                updateRotation = true;
1956            }
1957            int userRotationMode = Settings.System.getIntForUser(resolver,
1958                    Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
1959                            WindowManagerPolicy.USER_ROTATION_FREE :
1960                                    WindowManagerPolicy.USER_ROTATION_LOCKED;
1961            if (mUserRotationMode != userRotationMode) {
1962                mUserRotationMode = userRotationMode;
1963                updateRotation = true;
1964                updateOrientationListenerLp();
1965            }
1966
1967            if (mSystemReady) {
1968                int pointerLocation = Settings.System.getIntForUser(resolver,
1969                        Settings.System.POINTER_LOCATION, 0, UserHandle.USER_CURRENT);
1970                if (mPointerLocationMode != pointerLocation) {
1971                    mPointerLocationMode = pointerLocation;
1972                    mHandler.sendEmptyMessage(pointerLocation != 0 ?
1973                            MSG_ENABLE_POINTER_LOCATION : MSG_DISABLE_POINTER_LOCATION);
1974                }
1975            }
1976            // use screen off timeout setting as the timeout for the lockscreen
1977            mLockScreenTimeout = Settings.System.getIntForUser(resolver,
1978                    Settings.System.SCREEN_OFF_TIMEOUT, 0, UserHandle.USER_CURRENT);
1979            String imId = Settings.Secure.getStringForUser(resolver,
1980                    Settings.Secure.DEFAULT_INPUT_METHOD, UserHandle.USER_CURRENT);
1981            boolean hasSoftInput = imId != null && imId.length() > 0;
1982            if (mHasSoftInput != hasSoftInput) {
1983                mHasSoftInput = hasSoftInput;
1984                updateRotation = true;
1985            }
1986            if (mImmersiveModeConfirmation != null) {
1987                mImmersiveModeConfirmation.loadSetting(mCurrentUserId);
1988            }
1989        }
1990        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
1991            PolicyControl.reloadFromSetting(mContext);
1992        }
1993        if (updateRotation) {
1994            updateRotation(true);
1995        }
1996    }
1997
1998    private void updateWakeGestureListenerLp() {
1999        if (shouldEnableWakeGestureLp()) {
2000            mWakeGestureListener.requestWakeUpTrigger();
2001        } else {
2002            mWakeGestureListener.cancelWakeUpTrigger();
2003        }
2004    }
2005
2006    private boolean shouldEnableWakeGestureLp() {
2007        return mWakeGestureEnabledSetting && !mAwake
2008                && (!mLidControlsSleep || mLidState != LID_CLOSED)
2009                && mWakeGestureListener.isSupported();
2010    }
2011
2012    private void enablePointerLocation() {
2013        if (mPointerLocationView == null) {
2014            mPointerLocationView = new PointerLocationView(mContext);
2015            mPointerLocationView.setPrintCoords(false);
2016            WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
2017                    WindowManager.LayoutParams.MATCH_PARENT,
2018                    WindowManager.LayoutParams.MATCH_PARENT);
2019            lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
2020            lp.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN
2021                    | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
2022                    | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
2023                    | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
2024            if (ActivityManager.isHighEndGfx()) {
2025                lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
2026                lp.privateFlags |=
2027                        WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED;
2028            }
2029            lp.format = PixelFormat.TRANSLUCENT;
2030            lp.setTitle("PointerLocation");
2031            WindowManager wm = (WindowManager)
2032                    mContext.getSystemService(Context.WINDOW_SERVICE);
2033            lp.inputFeatures |= WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL;
2034            wm.addView(mPointerLocationView, lp);
2035            mWindowManagerFuncs.registerPointerEventListener(mPointerLocationView);
2036        }
2037    }
2038
2039    private void disablePointerLocation() {
2040        if (mPointerLocationView != null) {
2041            mWindowManagerFuncs.unregisterPointerEventListener(mPointerLocationView);
2042            WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
2043            wm.removeView(mPointerLocationView);
2044            mPointerLocationView = null;
2045        }
2046    }
2047
2048    private int readRotation(int resID) {
2049        try {
2050            int rotation = mContext.getResources().getInteger(resID);
2051            switch (rotation) {
2052                case 0:
2053                    return Surface.ROTATION_0;
2054                case 90:
2055                    return Surface.ROTATION_90;
2056                case 180:
2057                    return Surface.ROTATION_180;
2058                case 270:
2059                    return Surface.ROTATION_270;
2060            }
2061        } catch (Resources.NotFoundException e) {
2062            // fall through
2063        }
2064        return -1;
2065    }
2066
2067    /** {@inheritDoc} */
2068    @Override
2069    public int checkAddPermission(WindowManager.LayoutParams attrs, int[] outAppOp) {
2070        int type = attrs.type;
2071
2072        outAppOp[0] = AppOpsManager.OP_NONE;
2073
2074        if (!((type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW)
2075                || (type >= FIRST_SUB_WINDOW && type <= LAST_SUB_WINDOW)
2076                || (type >= FIRST_SYSTEM_WINDOW && type <= LAST_SYSTEM_WINDOW))) {
2077            return WindowManagerGlobal.ADD_INVALID_TYPE;
2078        }
2079
2080        if (type < FIRST_SYSTEM_WINDOW || type > LAST_SYSTEM_WINDOW) {
2081            // Window manager will make sure these are okay.
2082            return WindowManagerGlobal.ADD_OKAY;
2083        }
2084        String permission = null;
2085        switch (type) {
2086            case TYPE_TOAST:
2087                // XXX right now the app process has complete control over
2088                // this...  should introduce a token to let the system
2089                // monitor/control what they are doing.
2090                outAppOp[0] = AppOpsManager.OP_TOAST_WINDOW;
2091                break;
2092            case TYPE_DREAM:
2093            case TYPE_INPUT_METHOD:
2094            case TYPE_WALLPAPER:
2095            case TYPE_PRIVATE_PRESENTATION:
2096            case TYPE_VOICE_INTERACTION:
2097            case TYPE_ACCESSIBILITY_OVERLAY:
2098            case TYPE_QS_DIALOG:
2099                // The window manager will check these.
2100                break;
2101            case TYPE_PHONE:
2102            case TYPE_PRIORITY_PHONE:
2103            case TYPE_SYSTEM_ALERT:
2104            case TYPE_SYSTEM_ERROR:
2105            case TYPE_SYSTEM_OVERLAY:
2106                permission = android.Manifest.permission.SYSTEM_ALERT_WINDOW;
2107                outAppOp[0] = AppOpsManager.OP_SYSTEM_ALERT_WINDOW;
2108                break;
2109            default:
2110                permission = android.Manifest.permission.INTERNAL_SYSTEM_WINDOW;
2111        }
2112        if (permission != null) {
2113            if (android.Manifest.permission.SYSTEM_ALERT_WINDOW.equals(permission)) {
2114                final int callingUid = Binder.getCallingUid();
2115                // system processes will be automatically allowed privilege to draw
2116                if (callingUid == Process.SYSTEM_UID) {
2117                    return WindowManagerGlobal.ADD_OKAY;
2118                }
2119
2120                // check if user has enabled this operation. SecurityException will be thrown if
2121                // this app has not been allowed by the user
2122                final int mode = mAppOpsManager.checkOpNoThrow(outAppOp[0], callingUid,
2123                        attrs.packageName);
2124                switch (mode) {
2125                    case AppOpsManager.MODE_ALLOWED:
2126                    case AppOpsManager.MODE_IGNORED:
2127                        // although we return ADD_OKAY for MODE_IGNORED, the added window will
2128                        // actually be hidden in WindowManagerService
2129                        return WindowManagerGlobal.ADD_OKAY;
2130                    case AppOpsManager.MODE_ERRORED:
2131                        try {
2132                            ApplicationInfo appInfo = mContext.getPackageManager()
2133                                    .getApplicationInfo(attrs.packageName,
2134                                            UserHandle.getUserId(callingUid));
2135                            // Don't crash legacy apps
2136                            if (appInfo.targetSdkVersion < Build.VERSION_CODES.M) {
2137                                return WindowManagerGlobal.ADD_OKAY;
2138                            }
2139                        } catch (PackageManager.NameNotFoundException e) {
2140                            /* ignore */
2141                        }
2142                        return WindowManagerGlobal.ADD_PERMISSION_DENIED;
2143                    default:
2144                        // in the default mode, we will make a decision here based on
2145                        // checkCallingPermission()
2146                        if (mContext.checkCallingPermission(permission) !=
2147                                PackageManager.PERMISSION_GRANTED) {
2148                            return WindowManagerGlobal.ADD_PERMISSION_DENIED;
2149                        } else {
2150                            return WindowManagerGlobal.ADD_OKAY;
2151                        }
2152                }
2153            }
2154
2155            if (mContext.checkCallingOrSelfPermission(permission)
2156                    != PackageManager.PERMISSION_GRANTED) {
2157                return WindowManagerGlobal.ADD_PERMISSION_DENIED;
2158            }
2159        }
2160        return WindowManagerGlobal.ADD_OKAY;
2161    }
2162
2163    @Override
2164    public boolean checkShowToOwnerOnly(WindowManager.LayoutParams attrs) {
2165
2166        // If this switch statement is modified, modify the comment in the declarations of
2167        // the type in {@link WindowManager.LayoutParams} as well.
2168        switch (attrs.type) {
2169            default:
2170                // These are the windows that by default are shown only to the user that created
2171                // them. If this needs to be overridden, set
2172                // {@link WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS} in
2173                // {@link WindowManager.LayoutParams}. Note that permission
2174                // {@link android.Manifest.permission.INTERNAL_SYSTEM_WINDOW} is required as well.
2175                if ((attrs.privateFlags & PRIVATE_FLAG_SHOW_FOR_ALL_USERS) == 0) {
2176                    return true;
2177                }
2178                break;
2179
2180            // These are the windows that by default are shown to all users. However, to
2181            // protect against spoofing, check permissions below.
2182            case TYPE_APPLICATION_STARTING:
2183            case TYPE_BOOT_PROGRESS:
2184            case TYPE_DISPLAY_OVERLAY:
2185            case TYPE_INPUT_CONSUMER:
2186            case TYPE_KEYGUARD_SCRIM:
2187            case TYPE_KEYGUARD_DIALOG:
2188            case TYPE_MAGNIFICATION_OVERLAY:
2189            case TYPE_NAVIGATION_BAR:
2190            case TYPE_NAVIGATION_BAR_PANEL:
2191            case TYPE_PHONE:
2192            case TYPE_POINTER:
2193            case TYPE_PRIORITY_PHONE:
2194            case TYPE_SEARCH_BAR:
2195            case TYPE_STATUS_BAR:
2196            case TYPE_STATUS_BAR_PANEL:
2197            case TYPE_STATUS_BAR_SUB_PANEL:
2198            case TYPE_SYSTEM_DIALOG:
2199            case TYPE_VOLUME_OVERLAY:
2200            case TYPE_PRIVATE_PRESENTATION:
2201            case TYPE_DOCK_DIVIDER:
2202                break;
2203        }
2204
2205        // Check if third party app has set window to system window type.
2206        return mContext.checkCallingOrSelfPermission(
2207                android.Manifest.permission.INTERNAL_SYSTEM_WINDOW)
2208                        != PackageManager.PERMISSION_GRANTED;
2209    }
2210
2211    @Override
2212    public void adjustWindowParamsLw(WindowManager.LayoutParams attrs) {
2213        switch (attrs.type) {
2214            case TYPE_SYSTEM_OVERLAY:
2215            case TYPE_SECURE_SYSTEM_OVERLAY:
2216                // These types of windows can't receive input events.
2217                attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
2218                        | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
2219                attrs.flags &= ~WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
2220                break;
2221            case TYPE_STATUS_BAR:
2222
2223                // If the Keyguard is in a hidden state (occluded by another window), we force to
2224                // remove the wallpaper and keyguard flag so that any change in-flight after setting
2225                // the keyguard as occluded wouldn't set these flags again.
2226                // See {@link #processKeyguardSetHiddenResultLw}.
2227                if (mKeyguardHidden) {
2228                    attrs.flags &= ~WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
2229                    attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2230                }
2231                break;
2232        }
2233
2234        if (attrs.type != TYPE_STATUS_BAR) {
2235            // The status bar is the only window allowed to exhibit keyguard behavior.
2236            attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2237        }
2238
2239        if (ActivityManager.isHighEndGfx()) {
2240            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0) {
2241                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
2242            }
2243            final boolean forceWindowDrawsStatusBarBackground =
2244                    (attrs.privateFlags & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND)
2245                            != 0;
2246            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0
2247                    || forceWindowDrawsStatusBarBackground
2248                            && attrs.height == MATCH_PARENT && attrs.width == MATCH_PARENT) {
2249                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
2250            }
2251        }
2252    }
2253
2254    void readLidState() {
2255        mLidState = mWindowManagerFuncs.getLidState();
2256    }
2257
2258    private void readCameraLensCoverState() {
2259        mCameraLensCoverState = mWindowManagerFuncs.getCameraLensCoverState();
2260    }
2261
2262    private boolean isHidden(int accessibilityMode) {
2263        switch (accessibilityMode) {
2264            case 1:
2265                return mLidState == LID_CLOSED;
2266            case 2:
2267                return mLidState == LID_OPEN;
2268            default:
2269                return false;
2270        }
2271    }
2272
2273    /** {@inheritDoc} */
2274    @Override
2275    public void adjustConfigurationLw(Configuration config, int keyboardPresence,
2276            int navigationPresence) {
2277        mHaveBuiltInKeyboard = (keyboardPresence & PRESENCE_INTERNAL) != 0;
2278
2279        readConfigurationDependentBehaviors();
2280        readLidState();
2281
2282        if (config.keyboard == Configuration.KEYBOARD_NOKEYS
2283                || (keyboardPresence == PRESENCE_INTERNAL
2284                        && isHidden(mLidKeyboardAccessibility))) {
2285            config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_YES;
2286            if (!mHasSoftInput) {
2287                config.keyboardHidden = Configuration.KEYBOARDHIDDEN_YES;
2288            }
2289        }
2290
2291        if (config.navigation == Configuration.NAVIGATION_NONAV
2292                || (navigationPresence == PRESENCE_INTERNAL
2293                        && isHidden(mLidNavigationAccessibility))) {
2294            config.navigationHidden = Configuration.NAVIGATIONHIDDEN_YES;
2295        }
2296    }
2297
2298    @Override
2299    public void onConfigurationChanged() {
2300        final Resources res = mContext.getResources();
2301
2302        mStatusBarHeight =
2303                res.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
2304
2305        // Height of the navigation bar when presented horizontally at bottom
2306        mNavigationBarHeightForRotationDefault[mPortraitRotation] =
2307        mNavigationBarHeightForRotationDefault[mUpsideDownRotation] =
2308                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_height);
2309        mNavigationBarHeightForRotationDefault[mLandscapeRotation] =
2310        mNavigationBarHeightForRotationDefault[mSeascapeRotation] = res.getDimensionPixelSize(
2311                com.android.internal.R.dimen.navigation_bar_height_landscape);
2312
2313        // Width of the navigation bar when presented vertically along one side
2314        mNavigationBarWidthForRotationDefault[mPortraitRotation] =
2315        mNavigationBarWidthForRotationDefault[mUpsideDownRotation] =
2316        mNavigationBarWidthForRotationDefault[mLandscapeRotation] =
2317        mNavigationBarWidthForRotationDefault[mSeascapeRotation] =
2318                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_width);
2319
2320        // Height of the navigation bar when presented horizontally at bottom
2321        mNavigationBarHeightForRotationInCarMode[mPortraitRotation] =
2322        mNavigationBarHeightForRotationInCarMode[mUpsideDownRotation] =
2323                res.getDimensionPixelSize(
2324                        com.android.internal.R.dimen.navigation_bar_height_car_mode);
2325        mNavigationBarHeightForRotationInCarMode[mLandscapeRotation] =
2326        mNavigationBarHeightForRotationInCarMode[mSeascapeRotation] = res.getDimensionPixelSize(
2327                com.android.internal.R.dimen.navigation_bar_height_landscape_car_mode);
2328
2329        // Width of the navigation bar when presented vertically along one side
2330        mNavigationBarWidthForRotationInCarMode[mPortraitRotation] =
2331        mNavigationBarWidthForRotationInCarMode[mUpsideDownRotation] =
2332        mNavigationBarWidthForRotationInCarMode[mLandscapeRotation] =
2333        mNavigationBarWidthForRotationInCarMode[mSeascapeRotation] =
2334                res.getDimensionPixelSize(
2335                        com.android.internal.R.dimen.navigation_bar_width_car_mode);
2336    }
2337
2338    /** {@inheritDoc} */
2339    @Override
2340    public int windowTypeToLayerLw(int type) {
2341        if (type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW) {
2342            return 2;
2343        }
2344        switch (type) {
2345        case TYPE_PRIVATE_PRESENTATION:
2346            return 2;
2347        case TYPE_WALLPAPER:
2348            // wallpaper is at the bottom, though the window manager may move it.
2349            return 2;
2350        case TYPE_DOCK_DIVIDER:
2351            return 2;
2352        case TYPE_QS_DIALOG:
2353            return 2;
2354        case TYPE_PHONE:
2355            return 3;
2356        case TYPE_SEARCH_BAR:
2357        case TYPE_VOICE_INTERACTION_STARTING:
2358            return 4;
2359        case TYPE_VOICE_INTERACTION:
2360            // voice interaction layer is almost immediately above apps.
2361            return 5;
2362        case TYPE_INPUT_CONSUMER:
2363            return 6;
2364        case TYPE_SYSTEM_DIALOG:
2365            return 7;
2366        case TYPE_TOAST:
2367            // toasts and the plugged-in battery thing
2368            return 8;
2369        case TYPE_PRIORITY_PHONE:
2370            // SIM errors and unlock.  Not sure if this really should be in a high layer.
2371            return 9;
2372        case TYPE_DREAM:
2373            // used for Dreams (screensavers with TYPE_DREAM windows)
2374            return 10;
2375        case TYPE_SYSTEM_ALERT:
2376            // like the ANR / app crashed dialogs
2377            return 11;
2378        case TYPE_INPUT_METHOD:
2379            // on-screen keyboards and other such input method user interfaces go here.
2380            return 12;
2381        case TYPE_INPUT_METHOD_DIALOG:
2382            // on-screen keyboards and other such input method user interfaces go here.
2383            return 13;
2384        case TYPE_KEYGUARD_SCRIM:
2385            // the safety window that shows behind keyguard while keyguard is starting
2386            return 14;
2387        case TYPE_STATUS_BAR_SUB_PANEL:
2388            return 15;
2389        case TYPE_STATUS_BAR:
2390            return 16;
2391        case TYPE_STATUS_BAR_PANEL:
2392            return 17;
2393        case TYPE_KEYGUARD_DIALOG:
2394            return 18;
2395        case TYPE_VOLUME_OVERLAY:
2396            // the on-screen volume indicator and controller shown when the user
2397            // changes the device volume
2398            return 19;
2399        case TYPE_SYSTEM_OVERLAY:
2400            // the on-screen volume indicator and controller shown when the user
2401            // changes the device volume
2402            return 20;
2403        case TYPE_NAVIGATION_BAR:
2404            // the navigation bar, if available, shows atop most things
2405            return 21;
2406        case TYPE_NAVIGATION_BAR_PANEL:
2407            // some panels (e.g. search) need to show on top of the navigation bar
2408            return 22;
2409        case TYPE_SCREENSHOT:
2410            // screenshot selection layer shouldn't go above system error, but it should cover
2411            // navigation bars at the very least.
2412            return 23;
2413        case TYPE_SYSTEM_ERROR:
2414            // system-level error dialogs
2415            return 24;
2416        case TYPE_MAGNIFICATION_OVERLAY:
2417            // used to highlight the magnified portion of a display
2418            return 25;
2419        case TYPE_DISPLAY_OVERLAY:
2420            // used to simulate secondary display devices
2421            return 26;
2422        case TYPE_DRAG:
2423            // the drag layer: input for drag-and-drop is associated with this window,
2424            // which sits above all other focusable windows
2425            return 27;
2426        case TYPE_ACCESSIBILITY_OVERLAY:
2427            // overlay put by accessibility services to intercept user interaction
2428            return 28;
2429        case TYPE_SECURE_SYSTEM_OVERLAY:
2430            return 29;
2431        case TYPE_BOOT_PROGRESS:
2432            return 30;
2433        case TYPE_POINTER:
2434            // the (mouse) pointer layer
2435            return 31;
2436        }
2437        Log.e(TAG, "Unknown window type: " + type);
2438        return 2;
2439    }
2440
2441    /** {@inheritDoc} */
2442    @Override
2443    public int subWindowTypeToLayerLw(int type) {
2444        switch (type) {
2445        case TYPE_APPLICATION_PANEL:
2446        case TYPE_APPLICATION_ATTACHED_DIALOG:
2447            return APPLICATION_PANEL_SUBLAYER;
2448        case TYPE_APPLICATION_MEDIA:
2449            return APPLICATION_MEDIA_SUBLAYER;
2450        case TYPE_APPLICATION_MEDIA_OVERLAY:
2451            return APPLICATION_MEDIA_OVERLAY_SUBLAYER;
2452        case TYPE_APPLICATION_SUB_PANEL:
2453            return APPLICATION_SUB_PANEL_SUBLAYER;
2454        case TYPE_APPLICATION_ABOVE_SUB_PANEL:
2455            return APPLICATION_ABOVE_SUB_PANEL_SUBLAYER;
2456        }
2457        Log.e(TAG, "Unknown sub-window type: " + type);
2458        return 0;
2459    }
2460
2461    @Override
2462    public int getMaxWallpaperLayer() {
2463        return windowTypeToLayerLw(TYPE_STATUS_BAR);
2464    }
2465
2466    private int getNavigationBarWidth(int rotation, int uiMode) {
2467        if ((uiMode & UI_MODE_TYPE_MASK) == UI_MODE_TYPE_CAR) {
2468            return mNavigationBarWidthForRotationInCarMode[rotation];
2469        } else {
2470            return mNavigationBarWidthForRotationDefault[rotation];
2471        }
2472    }
2473
2474    @Override
2475    public int getNonDecorDisplayWidth(int fullWidth, int fullHeight, int rotation,
2476            int uiMode) {
2477        if (mHasNavigationBar) {
2478            // For a basic navigation bar, when we are in landscape mode we place
2479            // the navigation bar to the side.
2480            if (mNavigationBarCanMove && fullWidth > fullHeight) {
2481                return fullWidth - getNavigationBarWidth(rotation, uiMode);
2482            }
2483        }
2484        return fullWidth;
2485    }
2486
2487    private int getNavigationBarHeight(int rotation, int uiMode) {
2488        if ((uiMode & UI_MODE_TYPE_MASK) == UI_MODE_TYPE_CAR) {
2489            return mNavigationBarHeightForRotationInCarMode[rotation];
2490        } else {
2491            return mNavigationBarHeightForRotationDefault[rotation];
2492        }
2493    }
2494
2495    @Override
2496    public int getNonDecorDisplayHeight(int fullWidth, int fullHeight, int rotation,
2497            int uiMode) {
2498        if (mHasNavigationBar) {
2499            // For a basic navigation bar, when we are in portrait mode we place
2500            // the navigation bar to the bottom.
2501            if (!mNavigationBarCanMove || fullWidth < fullHeight) {
2502                return fullHeight - getNavigationBarHeight(rotation, uiMode);
2503            }
2504        }
2505        return fullHeight;
2506    }
2507
2508    @Override
2509    public int getConfigDisplayWidth(int fullWidth, int fullHeight, int rotation, int uiMode) {
2510        return getNonDecorDisplayWidth(fullWidth, fullHeight, rotation, uiMode);
2511    }
2512
2513    @Override
2514    public int getConfigDisplayHeight(int fullWidth, int fullHeight, int rotation, int uiMode) {
2515        // There is a separate status bar at the top of the display.  We don't count that as part
2516        // of the fixed decor, since it can hide; however, for purposes of configurations,
2517        // we do want to exclude it since applications can't generally use that part
2518        // of the screen.
2519        return getNonDecorDisplayHeight(
2520                fullWidth, fullHeight, rotation, uiMode) - mStatusBarHeight;
2521    }
2522
2523    @Override
2524    public boolean isForceHiding(WindowManager.LayoutParams attrs) {
2525        return (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 ||
2526                (isKeyguardHostWindow(attrs) &&
2527                        (mKeyguardDelegate != null && mKeyguardDelegate.isShowing())) ||
2528                (attrs.type == TYPE_KEYGUARD_SCRIM);
2529    }
2530
2531    @Override
2532    public boolean isKeyguardHostWindow(WindowManager.LayoutParams attrs) {
2533        return attrs.type == TYPE_STATUS_BAR;
2534    }
2535
2536    @Override
2537    public boolean canBeForceHidden(WindowState win, WindowManager.LayoutParams attrs) {
2538        switch (attrs.type) {
2539            case TYPE_STATUS_BAR:
2540            case TYPE_NAVIGATION_BAR:
2541            case TYPE_WALLPAPER:
2542            case TYPE_DREAM:
2543            case TYPE_KEYGUARD_SCRIM:
2544                return false;
2545            default:
2546                // Hide only windows below the keyguard host window.
2547                return windowTypeToLayerLw(win.getBaseType())
2548                        < windowTypeToLayerLw(TYPE_STATUS_BAR);
2549        }
2550    }
2551
2552    @Override
2553    public WindowState getWinShowWhenLockedLw() {
2554        return mWinShowWhenLocked;
2555    }
2556
2557    /** {@inheritDoc} */
2558    @Override
2559    public View addStartingWindow(IBinder appToken, String packageName, int theme,
2560            CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes,
2561            int icon, int logo, int windowFlags, Configuration overrideConfig) {
2562        if (!SHOW_STARTING_ANIMATIONS) {
2563            return null;
2564        }
2565        if (packageName == null) {
2566            return null;
2567        }
2568
2569        WindowManager wm = null;
2570        View view = null;
2571
2572        try {
2573            Context context = mContext;
2574            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow " + packageName
2575                    + ": nonLocalizedLabel=" + nonLocalizedLabel + " theme="
2576                    + Integer.toHexString(theme));
2577            if (theme != context.getThemeResId() || labelRes != 0) {
2578                try {
2579                    context = context.createPackageContext(packageName, 0);
2580                    context.setTheme(theme);
2581                } catch (PackageManager.NameNotFoundException e) {
2582                    // Ignore
2583                }
2584            }
2585
2586            if (overrideConfig != null && overrideConfig != EMPTY) {
2587                if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow: creating context based"
2588                        + " on overrideConfig" + overrideConfig + " for starting window");
2589                final Context overrideContext = context.createConfigurationContext(overrideConfig);
2590                overrideContext.setTheme(theme);
2591                final TypedArray typedArray = overrideContext.obtainStyledAttributes(
2592                        com.android.internal.R.styleable.Window);
2593                final int resId = typedArray.getResourceId(R.styleable.Window_windowBackground, 0);
2594                if (resId != 0 && overrideContext.getDrawable(resId) != null) {
2595                    // We want to use the windowBackground for the override context if it is
2596                    // available, otherwise we use the default one to make sure a themed starting
2597                    // window is displayed for the app.
2598                    if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow: apply overrideConfig"
2599                            + overrideConfig + " to starting window resId=" + resId);
2600                    context = overrideContext;
2601                }
2602            }
2603
2604            final PhoneWindow win = new PhoneWindow(context);
2605            win.setIsStartingWindow(true);
2606
2607            CharSequence label = context.getResources().getText(labelRes, null);
2608            // Only change the accessibility title if the label is localized
2609            if (label != null) {
2610                win.setTitle(label, true);
2611            } else {
2612                win.setTitle(nonLocalizedLabel, false);
2613            }
2614
2615            win.setType(
2616                WindowManager.LayoutParams.TYPE_APPLICATION_STARTING);
2617
2618            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
2619                // Assumes it's safe to show starting windows of launched apps while
2620                // the keyguard is being hidden. This is okay because starting windows never show
2621                // secret information.
2622                if (mKeyguardHidden) {
2623                    windowFlags |= FLAG_SHOW_WHEN_LOCKED;
2624                }
2625            }
2626
2627            // Force the window flags: this is a fake window, so it is not really
2628            // touchable or focusable by the user.  We also add in the ALT_FOCUSABLE_IM
2629            // flag because we do know that the next window will take input
2630            // focus, so we want to get the IME window up on top of us right away.
2631            win.setFlags(
2632                windowFlags|
2633                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2634                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2635                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
2636                windowFlags|
2637                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2638                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2639                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
2640
2641            win.setDefaultIcon(icon);
2642            win.setDefaultLogo(logo);
2643
2644            win.setLayout(WindowManager.LayoutParams.MATCH_PARENT,
2645                    WindowManager.LayoutParams.MATCH_PARENT);
2646
2647            final WindowManager.LayoutParams params = win.getAttributes();
2648            params.token = appToken;
2649            params.packageName = packageName;
2650            params.windowAnimations = win.getWindowStyle().getResourceId(
2651                    com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
2652            params.privateFlags |=
2653                    WindowManager.LayoutParams.PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED;
2654            params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
2655
2656            if (!compatInfo.supportsScreen()) {
2657                params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW;
2658            }
2659
2660            params.setTitle("Starting " + packageName);
2661
2662            wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
2663            view = win.getDecorView();
2664
2665            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "Adding starting window for "
2666                + packageName + " / " + appToken + ": " + (view.getParent() != null ? view : null));
2667
2668            wm.addView(view, params);
2669
2670            // Only return the view if it was successfully added to the
2671            // window manager... which we can tell by it having a parent.
2672            return view.getParent() != null ? view : null;
2673        } catch (WindowManager.BadTokenException e) {
2674            // ignore
2675            Log.w(TAG, appToken + " already running, starting window not displayed. " +
2676                    e.getMessage());
2677        } catch (RuntimeException e) {
2678            // don't crash if something else bad happens, for example a
2679            // failure loading resources because we are loading from an app
2680            // on external storage that has been unmounted.
2681            Log.w(TAG, appToken + " failed creating starting window", e);
2682        } finally {
2683            if (view != null && view.getParent() == null) {
2684                Log.w(TAG, "view not successfully added to wm, removing view");
2685                wm.removeViewImmediate(view);
2686            }
2687        }
2688
2689        return null;
2690    }
2691
2692    /** {@inheritDoc} */
2693    @Override
2694    public void removeStartingWindow(IBinder appToken, View window) {
2695        if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Removing starting window for " + appToken + ": "
2696                + window + " Callers=" + Debug.getCallers(4));
2697
2698        if (window != null) {
2699            WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
2700            wm.removeView(window);
2701        }
2702    }
2703
2704    /**
2705     * Preflight adding a window to the system.
2706     *
2707     * Currently enforces that three window types are singletons:
2708     * <ul>
2709     * <li>STATUS_BAR_TYPE</li>
2710     * <li>KEYGUARD_TYPE</li>
2711     * </ul>
2712     *
2713     * @param win The window to be added
2714     * @param attrs Information about the window to be added
2715     *
2716     * @return If ok, WindowManagerImpl.ADD_OKAY.  If too many singletons,
2717     * WindowManagerImpl.ADD_MULTIPLE_SINGLETON
2718     */
2719    @Override
2720    public int prepareAddWindowLw(WindowState win, WindowManager.LayoutParams attrs) {
2721        switch (attrs.type) {
2722            case TYPE_STATUS_BAR:
2723                mContext.enforceCallingOrSelfPermission(
2724                        android.Manifest.permission.STATUS_BAR_SERVICE,
2725                        "PhoneWindowManager");
2726                if (mStatusBar != null) {
2727                    if (mStatusBar.isAlive()) {
2728                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2729                    }
2730                }
2731                mStatusBar = win;
2732                mStatusBarController.setWindow(win);
2733                break;
2734            case TYPE_NAVIGATION_BAR:
2735                mContext.enforceCallingOrSelfPermission(
2736                        android.Manifest.permission.STATUS_BAR_SERVICE,
2737                        "PhoneWindowManager");
2738                if (mNavigationBar != null) {
2739                    if (mNavigationBar.isAlive()) {
2740                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2741                    }
2742                }
2743                mNavigationBar = win;
2744                mNavigationBarController.setWindow(win);
2745                if (DEBUG_LAYOUT) Slog.i(TAG, "NAVIGATION BAR: " + mNavigationBar);
2746                break;
2747            case TYPE_NAVIGATION_BAR_PANEL:
2748            case TYPE_STATUS_BAR_PANEL:
2749            case TYPE_STATUS_BAR_SUB_PANEL:
2750            case TYPE_VOICE_INTERACTION_STARTING:
2751                mContext.enforceCallingOrSelfPermission(
2752                        android.Manifest.permission.STATUS_BAR_SERVICE,
2753                        "PhoneWindowManager");
2754                break;
2755            case TYPE_KEYGUARD_SCRIM:
2756                if (mKeyguardScrim != null) {
2757                    return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2758                }
2759                mKeyguardScrim = win;
2760                break;
2761        }
2762        return WindowManagerGlobal.ADD_OKAY;
2763    }
2764
2765    /** {@inheritDoc} */
2766    @Override
2767    public void removeWindowLw(WindowState win) {
2768        if (mStatusBar == win) {
2769            mStatusBar = null;
2770            mStatusBarController.setWindow(null);
2771            mKeyguardDelegate.showScrim();
2772        } else if (mKeyguardScrim == win) {
2773            Log.v(TAG, "Removing keyguard scrim");
2774            mKeyguardScrim = null;
2775        } if (mNavigationBar == win) {
2776            mNavigationBar = null;
2777            mNavigationBarController.setWindow(null);
2778        }
2779    }
2780
2781    static final boolean PRINT_ANIM = false;
2782
2783    /** {@inheritDoc} */
2784    @Override
2785    public int selectAnimationLw(WindowState win, int transit) {
2786        if (PRINT_ANIM) Log.i(TAG, "selectAnimation in " + win
2787              + ": transit=" + transit);
2788        if (win == mStatusBar) {
2789            boolean isKeyguard = (win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
2790            if (transit == TRANSIT_EXIT
2791                    || transit == TRANSIT_HIDE) {
2792                return isKeyguard ? -1 : R.anim.dock_top_exit;
2793            } else if (transit == TRANSIT_ENTER
2794                    || transit == TRANSIT_SHOW) {
2795                return isKeyguard ? -1 : R.anim.dock_top_enter;
2796            }
2797        } else if (win == mNavigationBar) {
2798            if (win.getAttrs().windowAnimations != 0) {
2799                return 0;
2800            }
2801            // This can be on either the bottom or the right or the left.
2802            if (mNavigationBarPosition == NAV_BAR_BOTTOM) {
2803                if (transit == TRANSIT_EXIT
2804                        || transit == TRANSIT_HIDE) {
2805                    return R.anim.dock_bottom_exit;
2806                } else if (transit == TRANSIT_ENTER
2807                        || transit == TRANSIT_SHOW) {
2808                    return R.anim.dock_bottom_enter;
2809                }
2810            } else if (mNavigationBarPosition == NAV_BAR_RIGHT) {
2811                if (transit == TRANSIT_EXIT
2812                        || transit == TRANSIT_HIDE) {
2813                    return R.anim.dock_right_exit;
2814                } else if (transit == TRANSIT_ENTER
2815                        || transit == TRANSIT_SHOW) {
2816                    return R.anim.dock_right_enter;
2817                }
2818            } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
2819                if (transit == TRANSIT_EXIT
2820                        || transit == TRANSIT_HIDE) {
2821                    return R.anim.dock_left_exit;
2822                } else if (transit == TRANSIT_ENTER
2823                        || transit == TRANSIT_SHOW) {
2824                    return R.anim.dock_left_enter;
2825                }
2826            }
2827        } else if (win.getAttrs().type == TYPE_DOCK_DIVIDER) {
2828            return selectDockedDividerAnimationLw(win, transit);
2829        }
2830
2831        if (transit == TRANSIT_PREVIEW_DONE) {
2832            if (win.hasAppShownWindows()) {
2833                if (PRINT_ANIM) Log.i(TAG, "**** STARTING EXIT");
2834                return com.android.internal.R.anim.app_starting_exit;
2835            }
2836        } else if (win.getAttrs().type == TYPE_DREAM && mDreamingLockscreen
2837                && transit == TRANSIT_ENTER) {
2838            // Special case: we are animating in a dream, while the keyguard
2839            // is shown.  We don't want an animation on the dream, because
2840            // we need it shown immediately with the keyguard animating away
2841            // to reveal it.
2842            return -1;
2843        }
2844
2845        return 0;
2846    }
2847
2848    private int selectDockedDividerAnimationLw(WindowState win, int transit) {
2849        int insets = mWindowManagerFuncs.getDockedDividerInsetsLw();
2850
2851        // If the divider is behind the navigation bar, don't animate.
2852        final Rect frame = win.getFrameLw();
2853        final boolean behindNavBar = mNavigationBar != null
2854                && ((mNavigationBarPosition == NAV_BAR_BOTTOM
2855                        && frame.top + insets >= mNavigationBar.getFrameLw().top)
2856                || (mNavigationBarPosition == NAV_BAR_RIGHT
2857                        && frame.left + insets >= mNavigationBar.getFrameLw().left)
2858                || (mNavigationBarPosition == NAV_BAR_LEFT
2859                        && frame.right - insets <= mNavigationBar.getFrameLw().right));
2860        final boolean landscape = frame.height() > frame.width();
2861        final boolean offscreenLandscape = landscape && (frame.right - insets <= 0
2862                || frame.left + insets >= win.getDisplayFrameLw().right);
2863        final boolean offscreenPortrait = !landscape && (frame.top - insets <= 0
2864                || frame.bottom + insets >= win.getDisplayFrameLw().bottom);
2865        final boolean offscreen = offscreenLandscape || offscreenPortrait;
2866        if (behindNavBar || offscreen) {
2867            return 0;
2868        }
2869        if (transit == TRANSIT_ENTER || transit == TRANSIT_SHOW) {
2870            return R.anim.fade_in;
2871        } else if (transit == TRANSIT_EXIT) {
2872            return R.anim.fade_out;
2873        } else {
2874            return 0;
2875        }
2876    }
2877
2878    @Override
2879    public void selectRotationAnimationLw(int anim[]) {
2880        if (PRINT_ANIM) Slog.i(TAG, "selectRotationAnimation mTopFullscreen="
2881                + mTopFullscreenOpaqueWindowState + " rotationAnimation="
2882                + (mTopFullscreenOpaqueWindowState == null ?
2883                        "0" : mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation));
2884        if (mTopFullscreenOpaqueWindowState != null) {
2885            int animationHint = mTopFullscreenOpaqueWindowState.getRotationAnimationHint();
2886            if (animationHint < 0 && mTopIsFullscreen) {
2887                animationHint = mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation;
2888            }
2889            switch (animationHint) {
2890                case ROTATION_ANIMATION_CROSSFADE:
2891                    anim[0] = R.anim.rotation_animation_xfade_exit;
2892                    anim[1] = R.anim.rotation_animation_enter;
2893                    break;
2894                case ROTATION_ANIMATION_JUMPCUT:
2895                    anim[0] = R.anim.rotation_animation_jump_exit;
2896                    anim[1] = R.anim.rotation_animation_enter;
2897                    break;
2898                case ROTATION_ANIMATION_ROTATE:
2899                default:
2900                    anim[0] = anim[1] = 0;
2901                    break;
2902            }
2903        } else {
2904            anim[0] = anim[1] = 0;
2905        }
2906    }
2907
2908    @Override
2909    public boolean validateRotationAnimationLw(int exitAnimId, int enterAnimId,
2910            boolean forceDefault) {
2911        switch (exitAnimId) {
2912            case R.anim.rotation_animation_xfade_exit:
2913            case R.anim.rotation_animation_jump_exit:
2914                // These are the only cases that matter.
2915                if (forceDefault) {
2916                    return false;
2917                }
2918                int anim[] = new int[2];
2919                selectRotationAnimationLw(anim);
2920                return (exitAnimId == anim[0] && enterAnimId == anim[1]);
2921            default:
2922                return true;
2923        }
2924    }
2925
2926    @Override
2927    public Animation createForceHideEnterAnimation(boolean onWallpaper,
2928            boolean goingToNotificationShade) {
2929        if (goingToNotificationShade) {
2930            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_behind_enter_fade_in);
2931        }
2932
2933        AnimationSet set = (AnimationSet) AnimationUtils.loadAnimation(mContext, onWallpaper ?
2934                    R.anim.lock_screen_behind_enter_wallpaper :
2935                    R.anim.lock_screen_behind_enter);
2936
2937        // TODO: Use XML interpolators when we have log interpolators available in XML.
2938        final List<Animation> animations = set.getAnimations();
2939        for (int i = animations.size() - 1; i >= 0; --i) {
2940            animations.get(i).setInterpolator(mLogDecelerateInterpolator);
2941        }
2942
2943        return set;
2944    }
2945
2946
2947    @Override
2948    public Animation createForceHideWallpaperExitAnimation(boolean goingToNotificationShade) {
2949        if (goingToNotificationShade) {
2950            return null;
2951        } else {
2952            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_wallpaper_exit);
2953        }
2954    }
2955
2956    private static void awakenDreams() {
2957        IDreamManager dreamManager = getDreamManager();
2958        if (dreamManager != null) {
2959            try {
2960                dreamManager.awaken();
2961            } catch (RemoteException e) {
2962                // fine, stay asleep then
2963            }
2964        }
2965    }
2966
2967    static IDreamManager getDreamManager() {
2968        return IDreamManager.Stub.asInterface(
2969                ServiceManager.checkService(DreamService.DREAM_SERVICE));
2970    }
2971
2972    TelecomManager getTelecommService() {
2973        return (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE);
2974    }
2975
2976    static IAudioService getAudioService() {
2977        IAudioService audioService = IAudioService.Stub.asInterface(
2978                ServiceManager.checkService(Context.AUDIO_SERVICE));
2979        if (audioService == null) {
2980            Log.w(TAG, "Unable to find IAudioService interface.");
2981        }
2982        return audioService;
2983    }
2984
2985    boolean keyguardOn() {
2986        return isKeyguardShowingAndNotOccluded() || inKeyguardRestrictedKeyInputMode();
2987    }
2988
2989    private static final int[] WINDOW_TYPES_WHERE_HOME_DOESNT_WORK = {
2990            WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
2991            WindowManager.LayoutParams.TYPE_SYSTEM_ERROR,
2992        };
2993
2994    /** {@inheritDoc} */
2995    @Override
2996    public long interceptKeyBeforeDispatching(WindowState win, KeyEvent event, int policyFlags) {
2997        final boolean keyguardOn = keyguardOn();
2998        final int keyCode = event.getKeyCode();
2999        final int repeatCount = event.getRepeatCount();
3000        final int metaState = event.getMetaState();
3001        final int flags = event.getFlags();
3002        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
3003        final boolean canceled = event.isCanceled();
3004
3005        if (DEBUG_INPUT) {
3006            Log.d(TAG, "interceptKeyTi keyCode=" + keyCode + " down=" + down + " repeatCount="
3007                    + repeatCount + " keyguardOn=" + keyguardOn + " mHomePressed=" + mHomePressed
3008                    + " canceled=" + canceled);
3009        }
3010
3011        // If we think we might have a volume down & power key chord on the way
3012        // but we're not sure, then tell the dispatcher to wait a little while and
3013        // try again later before dispatching.
3014        if (mScreenshotChordEnabled && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
3015            if (mScreenshotChordVolumeDownKeyTriggered && !mScreenshotChordPowerKeyTriggered) {
3016                final long now = SystemClock.uptimeMillis();
3017                final long timeoutTime = mScreenshotChordVolumeDownKeyTime
3018                        + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
3019                if (now < timeoutTime) {
3020                    return timeoutTime - now;
3021                }
3022            }
3023            if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
3024                    && mScreenshotChordVolumeDownKeyConsumed) {
3025                if (!down) {
3026                    mScreenshotChordVolumeDownKeyConsumed = false;
3027                }
3028                return -1;
3029            }
3030        }
3031
3032        // Cancel any pending meta actions if we see any other keys being pressed between the down
3033        // of the meta key and its corresponding up.
3034        if (mPendingMetaAction && !KeyEvent.isMetaKey(keyCode)) {
3035            mPendingMetaAction = false;
3036        }
3037        // Any key that is not Alt or Meta cancels Caps Lock combo tracking.
3038        if (mPendingCapsLockToggle && !KeyEvent.isMetaKey(keyCode) && !KeyEvent.isAltKey(keyCode)) {
3039            mPendingCapsLockToggle = false;
3040        }
3041
3042        // First we always handle the home key here, so applications
3043        // can never break it, although if keyguard is on, we do let
3044        // it handle it, because that gives us the correct 5 second
3045        // timeout.
3046        if (keyCode == KeyEvent.KEYCODE_HOME) {
3047
3048            // If we have released the home key, and didn't do anything else
3049            // while it was pressed, then it is time to go home!
3050            if (!down) {
3051                cancelPreloadRecentApps();
3052
3053                mHomePressed = false;
3054                if (mHomeConsumed) {
3055                    mHomeConsumed = false;
3056                    return -1;
3057                }
3058
3059                if (canceled) {
3060                    Log.i(TAG, "Ignoring HOME; event canceled.");
3061                    return -1;
3062                }
3063
3064                // If an incoming call is ringing, HOME is totally disabled.
3065                // (The user is already on the InCallUI at this point,
3066                // and his ONLY options are to answer or reject the call.)
3067                TelecomManager telecomManager = getTelecommService();
3068                if (telecomManager != null && telecomManager.isRinging()) {
3069                    Log.i(TAG, "Ignoring HOME; there's a ringing incoming call.");
3070                    return -1;
3071                }
3072
3073                // Delay handling home if a double-tap is possible.
3074                if (mDoubleTapOnHomeBehavior != DOUBLE_TAP_HOME_NOTHING) {
3075                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable); // just in case
3076                    mHomeDoubleTapPending = true;
3077                    mHandler.postDelayed(mHomeDoubleTapTimeoutRunnable,
3078                            ViewConfiguration.getDoubleTapTimeout());
3079                    return -1;
3080                }
3081
3082                handleShortPressOnHome();
3083                return -1;
3084            }
3085
3086            // If a system window has focus, then it doesn't make sense
3087            // right now to interact with applications.
3088            WindowManager.LayoutParams attrs = win != null ? win.getAttrs() : null;
3089            if (attrs != null) {
3090                final int type = attrs.type;
3091                if (type == WindowManager.LayoutParams.TYPE_KEYGUARD_SCRIM
3092                        || type == WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG
3093                        || (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
3094                    // the "app" is keyguard, so give it the key
3095                    return 0;
3096                }
3097                final int typeCount = WINDOW_TYPES_WHERE_HOME_DOESNT_WORK.length;
3098                for (int i=0; i<typeCount; i++) {
3099                    if (type == WINDOW_TYPES_WHERE_HOME_DOESNT_WORK[i]) {
3100                        // don't do anything, but also don't pass it to the app
3101                        return -1;
3102                    }
3103                }
3104            }
3105
3106            // Remember that home is pressed and handle special actions.
3107            if (repeatCount == 0) {
3108                mHomePressed = true;
3109                if (mHomeDoubleTapPending) {
3110                    mHomeDoubleTapPending = false;
3111                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable);
3112                    handleDoubleTapOnHome();
3113                } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI
3114                        || mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
3115                    preloadRecentApps();
3116                }
3117            } else if ((event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) {
3118                if (!keyguardOn) {
3119                    handleLongPressOnHome(event.getDeviceId());
3120                }
3121            }
3122            return -1;
3123        } else if (keyCode == KeyEvent.KEYCODE_MENU) {
3124            // Hijack modified menu keys for debugging features
3125            final int chordBug = KeyEvent.META_SHIFT_ON;
3126
3127            if (down && repeatCount == 0) {
3128                if (mEnableShiftMenuBugReports && (metaState & chordBug) == chordBug) {
3129                    Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
3130                    mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT,
3131                            null, null, null, 0, null, null);
3132                    return -1;
3133                } else if (SHOW_PROCESSES_ON_ALT_MENU &&
3134                        (metaState & KeyEvent.META_ALT_ON) == KeyEvent.META_ALT_ON) {
3135                    Intent service = new Intent();
3136                    service.setClassName(mContext, "com.android.server.LoadAverageService");
3137                    ContentResolver res = mContext.getContentResolver();
3138                    boolean shown = Settings.Global.getInt(
3139                            res, Settings.Global.SHOW_PROCESSES, 0) != 0;
3140                    if (!shown) {
3141                        mContext.startService(service);
3142                    } else {
3143                        mContext.stopService(service);
3144                    }
3145                    Settings.Global.putInt(
3146                            res, Settings.Global.SHOW_PROCESSES, shown ? 0 : 1);
3147                    return -1;
3148                }
3149            }
3150        } else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
3151            if (down) {
3152                if (repeatCount == 0) {
3153                    mSearchKeyShortcutPending = true;
3154                    mConsumeSearchKeyUp = false;
3155                }
3156            } else {
3157                mSearchKeyShortcutPending = false;
3158                if (mConsumeSearchKeyUp) {
3159                    mConsumeSearchKeyUp = false;
3160                    return -1;
3161                }
3162            }
3163            return 0;
3164        } else if (keyCode == KeyEvent.KEYCODE_APP_SWITCH) {
3165            if (!keyguardOn) {
3166                if (down && repeatCount == 0) {
3167                    preloadRecentApps();
3168                } else if (!down) {
3169                    toggleRecentApps();
3170                }
3171            }
3172            return -1;
3173        } else if (keyCode == KeyEvent.KEYCODE_N && event.isMetaPressed()) {
3174            if (down) {
3175                IStatusBarService service = getStatusBarService();
3176                if (service != null) {
3177                    try {
3178                        service.expandNotificationsPanel();
3179                    } catch (RemoteException e) {
3180                        // do nothing.
3181                    }
3182                }
3183            }
3184        } else if (keyCode == KeyEvent.KEYCODE_S && event.isMetaPressed()
3185                && event.isCtrlPressed()) {
3186            if (down && repeatCount == 0) {
3187                int type = event.isShiftPressed() ? TAKE_SCREENSHOT_SELECTED_REGION
3188                        : TAKE_SCREENSHOT_FULLSCREEN;
3189                mScreenshotRunnable.setScreenshotType(type);
3190                mHandler.post(mScreenshotRunnable);
3191                return -1;
3192            }
3193        } else if (keyCode == KeyEvent.KEYCODE_SLASH && event.isMetaPressed()) {
3194            if (down && repeatCount == 0 && !isKeyguardLocked()) {
3195                toggleKeyboardShortcutsMenu(event.getDeviceId());
3196            }
3197        } else if (keyCode == KeyEvent.KEYCODE_ASSIST) {
3198            if (down) {
3199                if (repeatCount == 0) {
3200                    mAssistKeyLongPressed = false;
3201                } else if (repeatCount == 1) {
3202                    mAssistKeyLongPressed = true;
3203                    if (!keyguardOn) {
3204                         launchAssistLongPressAction();
3205                    }
3206                }
3207            } else {
3208                if (mAssistKeyLongPressed) {
3209                    mAssistKeyLongPressed = false;
3210                } else {
3211                    if (!keyguardOn) {
3212                        launchAssistAction(null, event.getDeviceId());
3213                    }
3214                }
3215            }
3216            return -1;
3217        } else if (keyCode == KeyEvent.KEYCODE_VOICE_ASSIST) {
3218            if (!down) {
3219                Intent voiceIntent;
3220                if (!keyguardOn) {
3221                    voiceIntent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
3222                } else {
3223                    IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
3224                            ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
3225                    if (dic != null) {
3226                        try {
3227                            dic.exitIdle("voice-search");
3228                        } catch (RemoteException e) {
3229                        }
3230                    }
3231                    voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
3232                    voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, true);
3233                }
3234                startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
3235            }
3236        } else if (keyCode == KeyEvent.KEYCODE_SYSRQ) {
3237            if (down && repeatCount == 0) {
3238                mScreenshotRunnable.setScreenshotType(TAKE_SCREENSHOT_FULLSCREEN);
3239                mHandler.post(mScreenshotRunnable);
3240            }
3241            return -1;
3242        } else if (keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP
3243                || keyCode == KeyEvent.KEYCODE_BRIGHTNESS_DOWN) {
3244            if (down) {
3245                int direction = keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP ? 1 : -1;
3246
3247                // Disable autobrightness if it's on
3248                int auto = Settings.System.getIntForUser(
3249                        mContext.getContentResolver(),
3250                        Settings.System.SCREEN_BRIGHTNESS_MODE,
3251                        Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
3252                        UserHandle.USER_CURRENT_OR_SELF);
3253                if (auto != 0) {
3254                    Settings.System.putIntForUser(mContext.getContentResolver(),
3255                            Settings.System.SCREEN_BRIGHTNESS_MODE,
3256                            Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
3257                            UserHandle.USER_CURRENT_OR_SELF);
3258                }
3259
3260                int min = mPowerManager.getMinimumScreenBrightnessSetting();
3261                int max = mPowerManager.getMaximumScreenBrightnessSetting();
3262                int step = (max - min + BRIGHTNESS_STEPS - 1) / BRIGHTNESS_STEPS * direction;
3263                int brightness = Settings.System.getIntForUser(mContext.getContentResolver(),
3264                        Settings.System.SCREEN_BRIGHTNESS,
3265                        mPowerManager.getDefaultScreenBrightnessSetting(),
3266                        UserHandle.USER_CURRENT_OR_SELF);
3267                brightness += step;
3268                // Make sure we don't go beyond the limits.
3269                brightness = Math.min(max, brightness);
3270                brightness = Math.max(min, brightness);
3271
3272                Settings.System.putIntForUser(mContext.getContentResolver(),
3273                        Settings.System.SCREEN_BRIGHTNESS, brightness,
3274                        UserHandle.USER_CURRENT_OR_SELF);
3275                startActivityAsUser(new Intent(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG),
3276                        UserHandle.CURRENT_OR_SELF);
3277            }
3278            return -1;
3279        } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP
3280                || keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
3281                || keyCode == KeyEvent.KEYCODE_VOLUME_MUTE) {
3282            if (mUseTvRouting) {
3283                // On TVs volume keys never go to the foreground app.
3284                dispatchDirectAudioEvent(event);
3285                return -1;
3286            }
3287        }
3288
3289        // Toggle Caps Lock on META-ALT.
3290        boolean actionTriggered = false;
3291        if (KeyEvent.isModifierKey(keyCode)) {
3292            if (!mPendingCapsLockToggle) {
3293                // Start tracking meta state for combo.
3294                mInitialMetaState = mMetaState;
3295                mPendingCapsLockToggle = true;
3296            } else if (event.getAction() == KeyEvent.ACTION_UP) {
3297                int altOnMask = mMetaState & KeyEvent.META_ALT_MASK;
3298                int metaOnMask = mMetaState & KeyEvent.META_META_MASK;
3299
3300                // Check for Caps Lock toggle
3301                if ((metaOnMask != 0) && (altOnMask != 0)) {
3302                    // Check if nothing else is pressed
3303                    if (mInitialMetaState == (mMetaState ^ (altOnMask | metaOnMask))) {
3304                        // Handle Caps Lock Toggle
3305                        mInputManagerInternal.toggleCapsLock(event.getDeviceId());
3306                        actionTriggered = true;
3307                    }
3308                }
3309
3310                // Always stop tracking when key goes up.
3311                mPendingCapsLockToggle = false;
3312            }
3313        }
3314        // Store current meta state to be able to evaluate it later.
3315        mMetaState = metaState;
3316
3317        if (actionTriggered) {
3318            return -1;
3319        }
3320
3321        if (KeyEvent.isMetaKey(keyCode)) {
3322            if (down) {
3323                mPendingMetaAction = true;
3324            } else if (mPendingMetaAction) {
3325                launchAssistAction(Intent.EXTRA_ASSIST_INPUT_HINT_KEYBOARD, event.getDeviceId());
3326            }
3327            return -1;
3328        }
3329
3330        // Shortcuts are invoked through Search+key, so intercept those here
3331        // Any printing key that is chorded with Search should be consumed
3332        // even if no shortcut was invoked.  This prevents text from being
3333        // inadvertently inserted when using a keyboard that has built-in macro
3334        // shortcut keys (that emit Search+x) and some of them are not registered.
3335        if (mSearchKeyShortcutPending) {
3336            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3337            if (kcm.isPrintingKey(keyCode)) {
3338                mConsumeSearchKeyUp = true;
3339                mSearchKeyShortcutPending = false;
3340                if (down && repeatCount == 0 && !keyguardOn) {
3341                    Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState);
3342                    if (shortcutIntent != null) {
3343                        shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3344                        try {
3345                            startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3346                            dismissKeyboardShortcutsMenu();
3347                        } catch (ActivityNotFoundException ex) {
3348                            Slog.w(TAG, "Dropping shortcut key combination because "
3349                                    + "the activity to which it is registered was not found: "
3350                                    + "SEARCH+" + KeyEvent.keyCodeToString(keyCode), ex);
3351                        }
3352                    } else {
3353                        Slog.i(TAG, "Dropping unregistered shortcut key combination: "
3354                                + "SEARCH+" + KeyEvent.keyCodeToString(keyCode));
3355                    }
3356                }
3357                return -1;
3358            }
3359        }
3360
3361        // Invoke shortcuts using Meta.
3362        if (down && repeatCount == 0 && !keyguardOn
3363                && (metaState & KeyEvent.META_META_ON) != 0) {
3364            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3365            if (kcm.isPrintingKey(keyCode)) {
3366                Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode,
3367                        metaState & ~(KeyEvent.META_META_ON
3368                                | KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_RIGHT_ON));
3369                if (shortcutIntent != null) {
3370                    shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3371                    try {
3372                        startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3373                        dismissKeyboardShortcutsMenu();
3374                    } catch (ActivityNotFoundException ex) {
3375                        Slog.w(TAG, "Dropping shortcut key combination because "
3376                                + "the activity to which it is registered was not found: "
3377                                + "META+" + KeyEvent.keyCodeToString(keyCode), ex);
3378                    }
3379                    return -1;
3380                }
3381            }
3382        }
3383
3384        // Handle application launch keys.
3385        if (down && repeatCount == 0 && !keyguardOn) {
3386            String category = sApplicationLaunchKeyCategories.get(keyCode);
3387            if (category != null) {
3388                Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, category);
3389                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3390                try {
3391                    startActivityAsUser(intent, UserHandle.CURRENT);
3392                    dismissKeyboardShortcutsMenu();
3393                } catch (ActivityNotFoundException ex) {
3394                    Slog.w(TAG, "Dropping application launch key because "
3395                            + "the activity to which it is registered was not found: "
3396                            + "keyCode=" + keyCode + ", category=" + category, ex);
3397                }
3398                return -1;
3399            }
3400        }
3401
3402        // Display task switcher for ALT-TAB.
3403        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_TAB) {
3404            if (mRecentAppsHeldModifiers == 0 && !keyguardOn && isUserSetupComplete()) {
3405                final int shiftlessModifiers = event.getModifiers() & ~KeyEvent.META_SHIFT_MASK;
3406                if (KeyEvent.metaStateHasModifiers(shiftlessModifiers, KeyEvent.META_ALT_ON)) {
3407                    mRecentAppsHeldModifiers = shiftlessModifiers;
3408                    showRecentApps(true, false);
3409                    return -1;
3410                }
3411            }
3412        } else if (!down && mRecentAppsHeldModifiers != 0
3413                && (metaState & mRecentAppsHeldModifiers) == 0) {
3414            mRecentAppsHeldModifiers = 0;
3415            hideRecentApps(true, false);
3416        }
3417
3418        // Handle input method switching.
3419        if (down && repeatCount == 0
3420                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3421                        || (keyCode == KeyEvent.KEYCODE_SPACE
3422                                && (metaState & KeyEvent.META_META_MASK) != 0))) {
3423            final boolean forwardDirection = (metaState & KeyEvent.META_SHIFT_MASK) == 0;
3424            mWindowManagerFuncs.switchInputMethod(forwardDirection);
3425            return -1;
3426        }
3427        if (mLanguageSwitchKeyPressed && !down
3428                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3429                        || keyCode == KeyEvent.KEYCODE_SPACE)) {
3430            mLanguageSwitchKeyPressed = false;
3431            return -1;
3432        }
3433
3434        if (isValidGlobalKey(keyCode)
3435                && mGlobalKeyManager.handleGlobalKey(mContext, keyCode, event)) {
3436            return -1;
3437        }
3438
3439        if (down) {
3440            long shortcutCode = keyCode;
3441            if (event.isCtrlPressed()) {
3442                shortcutCode |= ((long) KeyEvent.META_CTRL_ON) << Integer.SIZE;
3443            }
3444
3445            if (event.isAltPressed()) {
3446                shortcutCode |= ((long) KeyEvent.META_ALT_ON) << Integer.SIZE;
3447            }
3448
3449            if (event.isShiftPressed()) {
3450                shortcutCode |= ((long) KeyEvent.META_SHIFT_ON) << Integer.SIZE;
3451            }
3452
3453            if (event.isMetaPressed()) {
3454                shortcutCode |= ((long) KeyEvent.META_META_ON) << Integer.SIZE;
3455            }
3456
3457            IShortcutService shortcutService = mShortcutKeyServices.get(shortcutCode);
3458            if (shortcutService != null) {
3459                try {
3460                    if (isUserSetupComplete()) {
3461                        shortcutService.notifyShortcutKeyPressed(shortcutCode);
3462                    }
3463                } catch (RemoteException e) {
3464                    mShortcutKeyServices.delete(shortcutCode);
3465                }
3466                return -1;
3467            }
3468        }
3469
3470        // Reserve all the META modifier combos for system behavior
3471        if ((metaState & KeyEvent.META_META_ON) != 0) {
3472            return -1;
3473        }
3474
3475        // Let the application handle the key.
3476        return 0;
3477    }
3478
3479    /** {@inheritDoc} */
3480    @Override
3481    public KeyEvent dispatchUnhandledKey(WindowState win, KeyEvent event, int policyFlags) {
3482        // Note: This method is only called if the initial down was unhandled.
3483        if (DEBUG_INPUT) {
3484            Slog.d(TAG, "Unhandled key: win=" + win + ", action=" + event.getAction()
3485                    + ", flags=" + event.getFlags()
3486                    + ", keyCode=" + event.getKeyCode()
3487                    + ", scanCode=" + event.getScanCode()
3488                    + ", metaState=" + event.getMetaState()
3489                    + ", repeatCount=" + event.getRepeatCount()
3490                    + ", policyFlags=" + policyFlags);
3491        }
3492
3493        KeyEvent fallbackEvent = null;
3494        if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
3495            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3496            final int keyCode = event.getKeyCode();
3497            final int metaState = event.getMetaState();
3498            final boolean initialDown = event.getAction() == KeyEvent.ACTION_DOWN
3499                    && event.getRepeatCount() == 0;
3500
3501            // Check for fallback actions specified by the key character map.
3502            final FallbackAction fallbackAction;
3503            if (initialDown) {
3504                fallbackAction = kcm.getFallbackAction(keyCode, metaState);
3505            } else {
3506                fallbackAction = mFallbackActions.get(keyCode);
3507            }
3508
3509            if (fallbackAction != null) {
3510                if (DEBUG_INPUT) {
3511                    Slog.d(TAG, "Fallback: keyCode=" + fallbackAction.keyCode
3512                            + " metaState=" + Integer.toHexString(fallbackAction.metaState));
3513                }
3514
3515                final int flags = event.getFlags() | KeyEvent.FLAG_FALLBACK;
3516                fallbackEvent = KeyEvent.obtain(
3517                        event.getDownTime(), event.getEventTime(),
3518                        event.getAction(), fallbackAction.keyCode,
3519                        event.getRepeatCount(), fallbackAction.metaState,
3520                        event.getDeviceId(), event.getScanCode(),
3521                        flags, event.getSource(), null);
3522
3523                if (!interceptFallback(win, fallbackEvent, policyFlags)) {
3524                    fallbackEvent.recycle();
3525                    fallbackEvent = null;
3526                }
3527
3528                if (initialDown) {
3529                    mFallbackActions.put(keyCode, fallbackAction);
3530                } else if (event.getAction() == KeyEvent.ACTION_UP) {
3531                    mFallbackActions.remove(keyCode);
3532                    fallbackAction.recycle();
3533                }
3534            }
3535        }
3536
3537        if (DEBUG_INPUT) {
3538            if (fallbackEvent == null) {
3539                Slog.d(TAG, "No fallback.");
3540            } else {
3541                Slog.d(TAG, "Performing fallback: " + fallbackEvent);
3542            }
3543        }
3544        return fallbackEvent;
3545    }
3546
3547    private boolean interceptFallback(WindowState win, KeyEvent fallbackEvent, int policyFlags) {
3548        int actions = interceptKeyBeforeQueueing(fallbackEvent, policyFlags);
3549        if ((actions & ACTION_PASS_TO_USER) != 0) {
3550            long delayMillis = interceptKeyBeforeDispatching(
3551                    win, fallbackEvent, policyFlags);
3552            if (delayMillis == 0) {
3553                return true;
3554            }
3555        }
3556        return false;
3557    }
3558
3559    @Override
3560    public void registerShortcutKey(long shortcutCode, IShortcutService shortcutService)
3561            throws RemoteException {
3562        synchronized (mLock) {
3563            IShortcutService service = mShortcutKeyServices.get(shortcutCode);
3564            if (service != null && service.asBinder().pingBinder()) {
3565                throw new RemoteException("Key already exists.");
3566            }
3567
3568            mShortcutKeyServices.put(shortcutCode, shortcutService);
3569        }
3570    }
3571
3572    private void launchAssistLongPressAction() {
3573        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
3574        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3575
3576        // launch the search activity
3577        Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
3578        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3579        try {
3580            // TODO: This only stops the factory-installed search manager.
3581            // Need to formalize an API to handle others
3582            SearchManager searchManager = getSearchManager();
3583            if (searchManager != null) {
3584                searchManager.stopSearch();
3585            }
3586            startActivityAsUser(intent, UserHandle.CURRENT);
3587        } catch (ActivityNotFoundException e) {
3588            Slog.w(TAG, "No activity to handle assist long press action.", e);
3589        }
3590    }
3591
3592    private void launchAssistAction(String hint, int deviceId) {
3593        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3594        if (!isUserSetupComplete()) {
3595            // Disable opening assist window during setup
3596            return;
3597        }
3598        Bundle args = null;
3599        if (deviceId > Integer.MIN_VALUE) {
3600            args = new Bundle();
3601            args.putInt(Intent.EXTRA_ASSIST_INPUT_DEVICE_ID, deviceId);
3602        }
3603        if ((mContext.getResources().getConfiguration().uiMode
3604                & Configuration.UI_MODE_TYPE_MASK) == Configuration.UI_MODE_TYPE_TELEVISION) {
3605            // On TV, use legacy handling until assistants are implemented in the proper way.
3606            ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
3607                    .launchLegacyAssist(hint, UserHandle.myUserId(), args);
3608        } else {
3609            if (hint != null) {
3610                if (args == null) {
3611                    args = new Bundle();
3612                }
3613                args.putBoolean(hint, true);
3614            }
3615            StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3616            if (statusbar != null) {
3617                statusbar.startAssist(args);
3618            }
3619        }
3620    }
3621
3622    private void startActivityAsUser(Intent intent, UserHandle handle) {
3623        if (isUserSetupComplete()) {
3624            mContext.startActivityAsUser(intent, handle);
3625        } else {
3626            Slog.i(TAG, "Not starting activity because user setup is in progress: " + intent);
3627        }
3628    }
3629
3630    private SearchManager getSearchManager() {
3631        if (mSearchManager == null) {
3632            mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
3633        }
3634        return mSearchManager;
3635    }
3636
3637    private void preloadRecentApps() {
3638        mPreloadedRecentApps = true;
3639        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3640        if (statusbar != null) {
3641            statusbar.preloadRecentApps();
3642        }
3643    }
3644
3645    private void cancelPreloadRecentApps() {
3646        if (mPreloadedRecentApps) {
3647            mPreloadedRecentApps = false;
3648            StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3649            if (statusbar != null) {
3650                statusbar.cancelPreloadRecentApps();
3651            }
3652        }
3653    }
3654
3655    private void toggleRecentApps() {
3656        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3657        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3658        if (statusbar != null) {
3659            statusbar.toggleRecentApps();
3660        }
3661    }
3662
3663    @Override
3664    public void showRecentApps(boolean fromHome) {
3665        mHandler.removeMessages(MSG_DISPATCH_SHOW_RECENTS);
3666        mHandler.obtainMessage(MSG_DISPATCH_SHOW_RECENTS, fromHome ? 1 : 0, 0).sendToTarget();
3667    }
3668
3669    private void showRecentApps(boolean triggeredFromAltTab, boolean fromHome) {
3670        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3671        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3672        if (statusbar != null) {
3673            statusbar.showRecentApps(triggeredFromAltTab, fromHome);
3674        }
3675    }
3676
3677    private void toggleKeyboardShortcutsMenu(int deviceId) {
3678        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3679        if (statusbar != null) {
3680            statusbar.toggleKeyboardShortcutsMenu(deviceId);
3681        }
3682    }
3683
3684    private void dismissKeyboardShortcutsMenu() {
3685        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3686        if (statusbar != null) {
3687            statusbar.dismissKeyboardShortcutsMenu();
3688        }
3689    }
3690
3691    private void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHome) {
3692        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3693        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3694        if (statusbar != null) {
3695            statusbar.hideRecentApps(triggeredFromAltTab, triggeredFromHome);
3696        }
3697    }
3698
3699    void launchHomeFromHotKey() {
3700        launchHomeFromHotKey(true /* awakenFromDreams */, true /*respectKeyguard*/);
3701    }
3702
3703    /**
3704     * A home key -> launch home action was detected.  Take the appropriate action
3705     * given the situation with the keyguard.
3706     */
3707    void launchHomeFromHotKey(final boolean awakenFromDreams, final boolean respectKeyguard) {
3708        if (respectKeyguard) {
3709            if (isKeyguardShowingAndNotOccluded()) {
3710                // don't launch home if keyguard showing
3711                return;
3712            }
3713
3714            if (!mHideLockScreen && mKeyguardDelegate.isInputRestricted()) {
3715                // when in keyguard restricted mode, must first verify unlock
3716                // before launching home
3717                mKeyguardDelegate.verifyUnlock(new OnKeyguardExitResult() {
3718                    @Override
3719                    public void onKeyguardExitResult(boolean success) {
3720                        if (success) {
3721                            try {
3722                                ActivityManagerNative.getDefault().stopAppSwitches();
3723                            } catch (RemoteException e) {
3724                            }
3725                            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3726                            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3727                        }
3728                    }
3729                });
3730                return;
3731            }
3732        }
3733
3734        // no keyguard stuff to worry about, just launch home!
3735        try {
3736            ActivityManagerNative.getDefault().stopAppSwitches();
3737        } catch (RemoteException e) {
3738        }
3739        if (mRecentsVisible) {
3740            // Hide Recents and notify it to launch Home
3741            if (awakenFromDreams) {
3742                awakenDreams();
3743            }
3744            hideRecentApps(false, true);
3745        } else {
3746            // Otherwise, just launch Home
3747            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3748            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3749        }
3750    }
3751
3752    private final Runnable mClearHideNavigationFlag = new Runnable() {
3753        @Override
3754        public void run() {
3755            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3756                // Clear flags.
3757                mForceClearedSystemUiFlags &=
3758                        ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3759            }
3760            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3761        }
3762    };
3763
3764    /**
3765     * Input handler used while nav bar is hidden.  Captures any touch on the screen,
3766     * to determine when the nav bar should be shown and prevent applications from
3767     * receiving those touches.
3768     */
3769    final class HideNavInputEventReceiver extends InputEventReceiver {
3770        public HideNavInputEventReceiver(InputChannel inputChannel, Looper looper) {
3771            super(inputChannel, looper);
3772        }
3773
3774        @Override
3775        public void onInputEvent(InputEvent event) {
3776            boolean handled = false;
3777            try {
3778                if (event instanceof MotionEvent
3779                        && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
3780                    final MotionEvent motionEvent = (MotionEvent)event;
3781                    if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
3782                        // When the user taps down, we re-show the nav bar.
3783                        boolean changed = false;
3784                        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3785                            if (mInputConsumer == null) {
3786                                return;
3787                            }
3788                            // Any user activity always causes us to show the
3789                            // navigation controls, if they had been hidden.
3790                            // We also clear the low profile and only content
3791                            // flags so that tapping on the screen will atomically
3792                            // restore all currently hidden screen decorations.
3793                            int newVal = mResettingSystemUiFlags |
3794                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
3795                                    View.SYSTEM_UI_FLAG_LOW_PROFILE |
3796                                    View.SYSTEM_UI_FLAG_FULLSCREEN;
3797                            if (mResettingSystemUiFlags != newVal) {
3798                                mResettingSystemUiFlags = newVal;
3799                                changed = true;
3800                            }
3801                            // We don't allow the system's nav bar to be hidden
3802                            // again for 1 second, to prevent applications from
3803                            // spamming us and keeping it from being shown.
3804                            newVal = mForceClearedSystemUiFlags |
3805                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3806                            if (mForceClearedSystemUiFlags != newVal) {
3807                                mForceClearedSystemUiFlags = newVal;
3808                                changed = true;
3809                                mHandler.postDelayed(mClearHideNavigationFlag, 1000);
3810                            }
3811                        }
3812                        if (changed) {
3813                            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3814                        }
3815                    }
3816                }
3817            } finally {
3818                finishInputEvent(event, handled);
3819            }
3820        }
3821    }
3822    final InputEventReceiver.Factory mHideNavInputEventReceiverFactory =
3823            new InputEventReceiver.Factory() {
3824        @Override
3825        public InputEventReceiver createInputEventReceiver(
3826                InputChannel inputChannel, Looper looper) {
3827            return new HideNavInputEventReceiver(inputChannel, looper);
3828        }
3829    };
3830
3831    @Override
3832    public int adjustSystemUiVisibilityLw(int visibility) {
3833        mStatusBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3834        mNavigationBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3835        mRecentsVisible = (visibility & View.RECENT_APPS_VISIBLE) > 0;
3836        mTvPictureInPictureVisible = (visibility & View.TV_PICTURE_IN_PICTURE_VISIBLE) > 0;
3837
3838        // Reset any bits in mForceClearingStatusBarVisibility that
3839        // are now clear.
3840        mResettingSystemUiFlags &= visibility;
3841        // Clear any bits in the new visibility that are currently being
3842        // force cleared, before reporting it.
3843        return visibility & ~mResettingSystemUiFlags
3844                & ~mForceClearedSystemUiFlags;
3845    }
3846
3847    @Override
3848    public boolean getInsetHintLw(WindowManager.LayoutParams attrs, Rect taskBounds,
3849            int displayRotation, int displayWidth, int displayHeight, Rect outContentInsets,
3850            Rect outStableInsets, Rect outOutsets) {
3851        final int fl = PolicyControl.getWindowFlags(null, attrs);
3852        final int sysuiVis = PolicyControl.getSystemUiVisibility(null, attrs);
3853        final int systemUiVisibility = (sysuiVis | attrs.subtreeSystemUiVisibility);
3854
3855        final boolean useOutsets = outOutsets != null && shouldUseOutsets(attrs, fl);
3856        if (useOutsets) {
3857            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
3858            if (outset > 0) {
3859                if (displayRotation == Surface.ROTATION_0) {
3860                    outOutsets.bottom += outset;
3861                } else if (displayRotation == Surface.ROTATION_90) {
3862                    outOutsets.right += outset;
3863                } else if (displayRotation == Surface.ROTATION_180) {
3864                    outOutsets.top += outset;
3865                } else if (displayRotation == Surface.ROTATION_270) {
3866                    outOutsets.left += outset;
3867                }
3868            }
3869        }
3870
3871        if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3872                == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3873            int availRight, availBottom;
3874            if (canHideNavigationBar() &&
3875                    (systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0) {
3876                availRight = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3877                availBottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3878            } else {
3879                availRight = mRestrictedScreenLeft + mRestrictedScreenWidth;
3880                availBottom = mRestrictedScreenTop + mRestrictedScreenHeight;
3881            }
3882            if ((systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3883                if ((fl & FLAG_FULLSCREEN) != 0) {
3884                    outContentInsets.set(mStableFullscreenLeft, mStableFullscreenTop,
3885                            availRight - mStableFullscreenRight,
3886                            availBottom - mStableFullscreenBottom);
3887                } else {
3888                    outContentInsets.set(mStableLeft, mStableTop,
3889                            availRight - mStableRight, availBottom - mStableBottom);
3890                }
3891            } else if ((fl & FLAG_FULLSCREEN) != 0 || (fl & FLAG_LAYOUT_IN_OVERSCAN) != 0) {
3892                outContentInsets.setEmpty();
3893            } else if ((systemUiVisibility & (View.SYSTEM_UI_FLAG_FULLSCREEN
3894                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)) == 0) {
3895                outContentInsets.set(mCurLeft, mCurTop,
3896                        availRight - mCurRight, availBottom - mCurBottom);
3897            } else {
3898                outContentInsets.set(mCurLeft, mCurTop,
3899                        availRight - mCurRight, availBottom - mCurBottom);
3900            }
3901
3902            outStableInsets.set(mStableLeft, mStableTop,
3903                    availRight - mStableRight, availBottom - mStableBottom);
3904            if (taskBounds != null) {
3905                calculateRelevantTaskInsets(taskBounds, outContentInsets,
3906                        displayWidth, displayHeight);
3907                calculateRelevantTaskInsets(taskBounds, outStableInsets,
3908                        displayWidth, displayHeight);
3909            }
3910            return mForceShowSystemBars;
3911        }
3912        outContentInsets.setEmpty();
3913        outStableInsets.setEmpty();
3914        return mForceShowSystemBars;
3915    }
3916
3917    /**
3918     * For any given task bounds, the insets relevant for these bounds given the insets relevant
3919     * for the entire display.
3920     */
3921    private void calculateRelevantTaskInsets(Rect taskBounds, Rect inOutInsets, int displayWidth,
3922            int displayHeight) {
3923        mTmpRect.set(0, 0, displayWidth, displayHeight);
3924        mTmpRect.inset(inOutInsets);
3925        mTmpRect.intersect(taskBounds);
3926        int leftInset = mTmpRect.left - taskBounds.left;
3927        int topInset = mTmpRect.top - taskBounds.top;
3928        int rightInset = taskBounds.right - mTmpRect.right;
3929        int bottomInset = taskBounds.bottom - mTmpRect.bottom;
3930        inOutInsets.set(leftInset, topInset, rightInset, bottomInset);
3931    }
3932
3933    private boolean shouldUseOutsets(WindowManager.LayoutParams attrs, int fl) {
3934        return attrs.type == TYPE_WALLPAPER || (fl & (WindowManager.LayoutParams.FLAG_FULLSCREEN
3935                | WindowManager.LayoutParams.FLAG_LAYOUT_IN_OVERSCAN)) != 0;
3936    }
3937
3938    /** {@inheritDoc} */
3939    @Override
3940    public void beginLayoutLw(boolean isDefaultDisplay, int displayWidth, int displayHeight,
3941                              int displayRotation, int uiMode) {
3942        mDisplayRotation = displayRotation;
3943        final int overscanLeft, overscanTop, overscanRight, overscanBottom;
3944        if (isDefaultDisplay) {
3945            switch (displayRotation) {
3946                case Surface.ROTATION_90:
3947                    overscanLeft = mOverscanTop;
3948                    overscanTop = mOverscanRight;
3949                    overscanRight = mOverscanBottom;
3950                    overscanBottom = mOverscanLeft;
3951                    break;
3952                case Surface.ROTATION_180:
3953                    overscanLeft = mOverscanRight;
3954                    overscanTop = mOverscanBottom;
3955                    overscanRight = mOverscanLeft;
3956                    overscanBottom = mOverscanTop;
3957                    break;
3958                case Surface.ROTATION_270:
3959                    overscanLeft = mOverscanBottom;
3960                    overscanTop = mOverscanLeft;
3961                    overscanRight = mOverscanTop;
3962                    overscanBottom = mOverscanRight;
3963                    break;
3964                default:
3965                    overscanLeft = mOverscanLeft;
3966                    overscanTop = mOverscanTop;
3967                    overscanRight = mOverscanRight;
3968                    overscanBottom = mOverscanBottom;
3969                    break;
3970            }
3971        } else {
3972            overscanLeft = 0;
3973            overscanTop = 0;
3974            overscanRight = 0;
3975            overscanBottom = 0;
3976        }
3977        mOverscanScreenLeft = mRestrictedOverscanScreenLeft = 0;
3978        mOverscanScreenTop = mRestrictedOverscanScreenTop = 0;
3979        mOverscanScreenWidth = mRestrictedOverscanScreenWidth = displayWidth;
3980        mOverscanScreenHeight = mRestrictedOverscanScreenHeight = displayHeight;
3981        mSystemLeft = 0;
3982        mSystemTop = 0;
3983        mSystemRight = displayWidth;
3984        mSystemBottom = displayHeight;
3985        mUnrestrictedScreenLeft = overscanLeft;
3986        mUnrestrictedScreenTop = overscanTop;
3987        mUnrestrictedScreenWidth = displayWidth - overscanLeft - overscanRight;
3988        mUnrestrictedScreenHeight = displayHeight - overscanTop - overscanBottom;
3989        mRestrictedScreenLeft = mUnrestrictedScreenLeft;
3990        mRestrictedScreenTop = mUnrestrictedScreenTop;
3991        mRestrictedScreenWidth = mSystemGestures.screenWidth = mUnrestrictedScreenWidth;
3992        mRestrictedScreenHeight = mSystemGestures.screenHeight = mUnrestrictedScreenHeight;
3993        mDockLeft = mContentLeft = mVoiceContentLeft = mStableLeft = mStableFullscreenLeft
3994                = mCurLeft = mUnrestrictedScreenLeft;
3995        mDockTop = mContentTop = mVoiceContentTop = mStableTop = mStableFullscreenTop
3996                = mCurTop = mUnrestrictedScreenTop;
3997        mDockRight = mContentRight = mVoiceContentRight = mStableRight = mStableFullscreenRight
3998                = mCurRight = displayWidth - overscanRight;
3999        mDockBottom = mContentBottom = mVoiceContentBottom = mStableBottom = mStableFullscreenBottom
4000                = mCurBottom = displayHeight - overscanBottom;
4001        mDockLayer = 0x10000000;
4002        mStatusBarLayer = -1;
4003
4004        // start with the current dock rect, which will be (0,0,displayWidth,displayHeight)
4005        final Rect pf = mTmpParentFrame;
4006        final Rect df = mTmpDisplayFrame;
4007        final Rect of = mTmpOverscanFrame;
4008        final Rect vf = mTmpVisibleFrame;
4009        final Rect dcf = mTmpDecorFrame;
4010        pf.left = df.left = of.left = vf.left = mDockLeft;
4011        pf.top = df.top = of.top = vf.top = mDockTop;
4012        pf.right = df.right = of.right = vf.right = mDockRight;
4013        pf.bottom = df.bottom = of.bottom = vf.bottom = mDockBottom;
4014        dcf.setEmpty();  // Decor frame N/A for system bars.
4015
4016        if (isDefaultDisplay) {
4017            // For purposes of putting out fake window up to steal focus, we will
4018            // drive nav being hidden only by whether it is requested.
4019            final int sysui = mLastSystemUiFlags;
4020            boolean navVisible = (sysui & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0;
4021            boolean navTranslucent = (sysui
4022                    & (View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT)) != 0;
4023            boolean immersive = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
4024            boolean immersiveSticky = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
4025            boolean navAllowedHidden = immersive || immersiveSticky;
4026            navTranslucent &= !immersiveSticky;  // transient trumps translucent
4027            boolean isKeyguardShowing = isStatusBarKeyguard() && !mHideLockScreen;
4028            if (!isKeyguardShowing) {
4029                navTranslucent &= areTranslucentBarsAllowed();
4030            }
4031            boolean statusBarExpandedNotKeyguard = !isKeyguardShowing && mStatusBar != null
4032                    && mStatusBar.getAttrs().height == MATCH_PARENT
4033                    && mStatusBar.getAttrs().width == MATCH_PARENT;
4034
4035            // When the navigation bar isn't visible, we put up a fake
4036            // input window to catch all touch events.  This way we can
4037            // detect when the user presses anywhere to bring back the nav
4038            // bar and ensure the application doesn't see the event.
4039            if (navVisible || navAllowedHidden) {
4040                if (mInputConsumer != null) {
4041                    mHandler.sendMessage(
4042                            mHandler.obtainMessage(MSG_DISPOSE_INPUT_CONSUMER, mInputConsumer));
4043                    mInputConsumer = null;
4044                }
4045            } else if (mInputConsumer == null) {
4046                mInputConsumer = mWindowManagerFuncs.addInputConsumer(mHandler.getLooper(),
4047                        mHideNavInputEventReceiverFactory);
4048            }
4049
4050            // For purposes of positioning and showing the nav bar, if we have
4051            // decided that it can't be hidden (because of the screen aspect ratio),
4052            // then take that into account.
4053            navVisible |= !canHideNavigationBar();
4054
4055            boolean updateSysUiVisibility = layoutNavigationBar(displayWidth, displayHeight,
4056                    displayRotation, uiMode, overscanLeft, overscanRight, overscanBottom, dcf, navVisible, navTranslucent,
4057                    navAllowedHidden, statusBarExpandedNotKeyguard);
4058            if (DEBUG_LAYOUT) Slog.i(TAG, String.format("mDock rect: (%d,%d - %d,%d)",
4059                    mDockLeft, mDockTop, mDockRight, mDockBottom));
4060            updateSysUiVisibility |= layoutStatusBar(pf, df, of, vf, dcf, sysui, isKeyguardShowing);
4061            if (updateSysUiVisibility) {
4062                updateSystemUiVisibilityLw();
4063            }
4064        }
4065    }
4066
4067    private boolean layoutStatusBar(Rect pf, Rect df, Rect of, Rect vf, Rect dcf, int sysui,
4068            boolean isKeyguardShowing) {
4069        // decide where the status bar goes ahead of time
4070        if (mStatusBar != null) {
4071            // apply any navigation bar insets
4072            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4073            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4074            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
4075            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight
4076                    + mUnrestrictedScreenTop;
4077            vf.left = mStableLeft;
4078            vf.top = mStableTop;
4079            vf.right = mStableRight;
4080            vf.bottom = mStableBottom;
4081
4082            mStatusBarLayer = mStatusBar.getSurfaceLayer();
4083
4084            // Let the status bar determine its size.
4085            mStatusBar.computeFrameLw(pf /* parentFrame */, df /* displayFrame */,
4086                    vf /* overlayFrame */, vf /* contentFrame */, vf /* visibleFrame */,
4087                    dcf /* decorFrame */, vf /* stableFrame */, vf /* outsetFrame */);
4088
4089            // For layout, the status bar is always at the top with our fixed height.
4090            mStableTop = mUnrestrictedScreenTop + mStatusBarHeight;
4091
4092            boolean statusBarTransient = (sysui & View.STATUS_BAR_TRANSIENT) != 0;
4093            boolean statusBarTranslucent = (sysui
4094                    & (View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT)) != 0;
4095            if (!isKeyguardShowing) {
4096                statusBarTranslucent &= areTranslucentBarsAllowed();
4097            }
4098
4099            // If the status bar is hidden, we don't want to cause
4100            // windows behind it to scroll.
4101            if (mStatusBar.isVisibleLw() && !statusBarTransient) {
4102                // Status bar may go away, so the screen area it occupies
4103                // is available to apps but just covering them when the
4104                // status bar is visible.
4105                mDockTop = mUnrestrictedScreenTop + mStatusBarHeight;
4106
4107                mContentTop = mVoiceContentTop = mCurTop = mDockTop;
4108                mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
4109                mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
4110                mContentRight = mVoiceContentRight = mCurRight = mDockRight;
4111
4112                if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar: " +
4113                        String.format(
4114                                "dock=[%d,%d][%d,%d] content=[%d,%d][%d,%d] cur=[%d,%d][%d,%d]",
4115                                mDockLeft, mDockTop, mDockRight, mDockBottom,
4116                                mContentLeft, mContentTop, mContentRight, mContentBottom,
4117                                mCurLeft, mCurTop, mCurRight, mCurBottom));
4118            }
4119            if (mStatusBar.isVisibleLw() && !mStatusBar.isAnimatingLw()
4120                    && !statusBarTransient && !statusBarTranslucent
4121                    && !mStatusBarController.wasRecentlyTranslucent()) {
4122                // If the opaque status bar is currently requested to be visible,
4123                // and not in the process of animating on or off, then
4124                // we can tell the app that it is covered by it.
4125                mSystemTop = mUnrestrictedScreenTop + mStatusBarHeight;
4126            }
4127            if (mStatusBarController.checkHiddenLw()) {
4128                return true;
4129            }
4130        }
4131        return false;
4132    }
4133
4134    private boolean layoutNavigationBar(int displayWidth, int displayHeight, int displayRotation,
4135            int uiMode, int overscanLeft, int overscanRight, int overscanBottom, Rect dcf,
4136            boolean navVisible, boolean navTranslucent, boolean navAllowedHidden,
4137            boolean statusBarExpandedNotKeyguard) {
4138        if (mNavigationBar != null) {
4139            boolean transientNavBarShowing = mNavigationBarController.isTransientShowing();
4140            // Force the navigation bar to its appropriate place and
4141            // size.  We need to do this directly, instead of relying on
4142            // it to bubble up from the nav bar, because this needs to
4143            // change atomically with screen rotations.
4144            mNavigationBarPosition = navigationBarPosition(displayWidth, displayHeight,
4145                    displayRotation);
4146            if (mNavigationBarPosition == NAV_BAR_BOTTOM) {
4147                // It's a system nav bar or a portrait screen; nav bar goes on bottom.
4148                int top = displayHeight - overscanBottom
4149                        - getNavigationBarHeight(displayRotation, uiMode);
4150                mTmpNavigationFrame.set(0, top, displayWidth, displayHeight - overscanBottom);
4151                mStableBottom = mStableFullscreenBottom = mTmpNavigationFrame.top;
4152                if (transientNavBarShowing) {
4153                    mNavigationBarController.setBarShowingLw(true);
4154                } else if (navVisible) {
4155                    mNavigationBarController.setBarShowingLw(true);
4156                    mDockBottom = mTmpNavigationFrame.top;
4157                    mRestrictedScreenHeight = mDockBottom - mRestrictedScreenTop;
4158                    mRestrictedOverscanScreenHeight = mDockBottom - mRestrictedOverscanScreenTop;
4159                } else {
4160                    // We currently want to hide the navigation UI - unless we expanded the status
4161                    // bar.
4162                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4163                }
4164                if (navVisible && !navTranslucent && !navAllowedHidden
4165                        && !mNavigationBar.isAnimatingLw()
4166                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4167                    // If the opaque nav bar is currently requested to be visible,
4168                    // and not in the process of animating on or off, then
4169                    // we can tell the app that it is covered by it.
4170                    mSystemBottom = mTmpNavigationFrame.top;
4171                }
4172            } else if (mNavigationBarPosition == NAV_BAR_RIGHT) {
4173                // Landscape screen; nav bar goes to the right.
4174                int left = displayWidth - overscanRight
4175                        - getNavigationBarWidth(displayRotation, uiMode);
4176                mTmpNavigationFrame.set(left, 0, displayWidth - overscanRight, displayHeight);
4177                mStableRight = mStableFullscreenRight = mTmpNavigationFrame.left;
4178                if (transientNavBarShowing) {
4179                    mNavigationBarController.setBarShowingLw(true);
4180                } else if (navVisible) {
4181                    mNavigationBarController.setBarShowingLw(true);
4182                    mDockRight = mTmpNavigationFrame.left;
4183                    mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
4184                    mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
4185                } else {
4186                    // We currently want to hide the navigation UI - unless we expanded the status
4187                    // bar.
4188                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4189                }
4190                if (navVisible && !navTranslucent && !navAllowedHidden
4191                        && !mNavigationBar.isAnimatingLw()
4192                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4193                    // If the nav bar is currently requested to be visible,
4194                    // and not in the process of animating on or off, then
4195                    // we can tell the app that it is covered by it.
4196                    mSystemRight = mTmpNavigationFrame.left;
4197                }
4198            } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
4199                // Seascape screen; nav bar goes to the left.
4200                int right = overscanLeft + getNavigationBarWidth(displayRotation, uiMode);
4201                mTmpNavigationFrame.set(overscanLeft, 0, right, displayHeight);
4202                mStableLeft = mStableFullscreenLeft = mTmpNavigationFrame.right;
4203                if (transientNavBarShowing) {
4204                    mNavigationBarController.setBarShowingLw(true);
4205                } else if (navVisible) {
4206                    mNavigationBarController.setBarShowingLw(true);
4207                    mDockLeft = mTmpNavigationFrame.right;
4208                    // TODO: not so sure about those:
4209                    mRestrictedScreenLeft = mRestrictedOverscanScreenLeft = mDockLeft;
4210                    mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
4211                    mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
4212                } else {
4213                    // We currently want to hide the navigation UI - unless we expanded the status
4214                    // bar.
4215                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4216                }
4217                if (navVisible && !navTranslucent && !navAllowedHidden
4218                        && !mNavigationBar.isAnimatingLw()
4219                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4220                    // If the nav bar is currently requested to be visible,
4221                    // and not in the process of animating on or off, then
4222                    // we can tell the app that it is covered by it.
4223                    mSystemLeft = mTmpNavigationFrame.right;
4224                }
4225            }
4226            // Make sure the content and current rectangles are updated to
4227            // account for the restrictions from the navigation bar.
4228            mContentTop = mVoiceContentTop = mCurTop = mDockTop;
4229            mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
4230            mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
4231            mContentRight = mVoiceContentRight = mCurRight = mDockRight;
4232            mStatusBarLayer = mNavigationBar.getSurfaceLayer();
4233            // And compute the final frame.
4234            mNavigationBar.computeFrameLw(mTmpNavigationFrame, mTmpNavigationFrame,
4235                    mTmpNavigationFrame, mTmpNavigationFrame, mTmpNavigationFrame, dcf,
4236                    mTmpNavigationFrame, mTmpNavigationFrame);
4237            if (DEBUG_LAYOUT) Slog.i(TAG, "mNavigationBar frame: " + mTmpNavigationFrame);
4238            if (mNavigationBarController.checkHiddenLw()) {
4239                return true;
4240            }
4241        }
4242        return false;
4243    }
4244
4245    private int navigationBarPosition(int displayWidth, int displayHeight, int displayRotation) {
4246        if (mNavigationBarCanMove && displayWidth > displayHeight) {
4247            if (displayRotation == Surface.ROTATION_270) {
4248                return NAV_BAR_LEFT;
4249            } else {
4250                return NAV_BAR_RIGHT;
4251            }
4252        }
4253        return NAV_BAR_BOTTOM;
4254    }
4255
4256    /** {@inheritDoc} */
4257    @Override
4258    public int getSystemDecorLayerLw() {
4259        if (mStatusBar != null && mStatusBar.isVisibleLw()) {
4260            return mStatusBar.getSurfaceLayer();
4261        }
4262
4263        if (mNavigationBar != null && mNavigationBar.isVisibleLw()) {
4264            return mNavigationBar.getSurfaceLayer();
4265        }
4266
4267        return 0;
4268    }
4269
4270    @Override
4271    public void getContentRectLw(Rect r) {
4272        r.set(mContentLeft, mContentTop, mContentRight, mContentBottom);
4273    }
4274
4275    void setAttachedWindowFrames(WindowState win, int fl, int adjust, WindowState attached,
4276            boolean insetDecors, Rect pf, Rect df, Rect of, Rect cf, Rect vf) {
4277        if (win.getSurfaceLayer() > mDockLayer && attached.getSurfaceLayer() < mDockLayer) {
4278            // Here's a special case: if this attached window is a panel that is
4279            // above the dock window, and the window it is attached to is below
4280            // the dock window, then the frames we computed for the window it is
4281            // attached to can not be used because the dock is effectively part
4282            // of the underlying window and the attached window is floating on top
4283            // of the whole thing.  So, we ignore the attached window and explicitly
4284            // compute the frames that would be appropriate without the dock.
4285            df.left = of.left = cf.left = vf.left = mDockLeft;
4286            df.top = of.top = cf.top = vf.top = mDockTop;
4287            df.right = of.right = cf.right = vf.right = mDockRight;
4288            df.bottom = of.bottom = cf.bottom = vf.bottom = mDockBottom;
4289        } else {
4290            // The effective display frame of the attached window depends on
4291            // whether it is taking care of insetting its content.  If not,
4292            // we need to use the parent's content frame so that the entire
4293            // window is positioned within that content.  Otherwise we can use
4294            // the overscan frame and let the attached window take care of
4295            // positioning its content appropriately.
4296            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4297                // Set the content frame of the attached window to the parent's decor frame
4298                // (same as content frame when IME isn't present) if specifically requested by
4299                // setting {@link WindowManager.LayoutParams#FLAG_LAYOUT_ATTACHED_IN_DECOR} flag.
4300                // Otherwise, use the overscan frame.
4301                cf.set((fl & FLAG_LAYOUT_ATTACHED_IN_DECOR) != 0
4302                        ? attached.getContentFrameLw() : attached.getOverscanFrameLw());
4303            } else {
4304                // If the window is resizing, then we want to base the content
4305                // frame on our attached content frame to resize...  however,
4306                // things can be tricky if the attached window is NOT in resize
4307                // mode, in which case its content frame will be larger.
4308                // Ungh.  So to deal with that, make sure the content frame
4309                // we end up using is not covering the IM dock.
4310                cf.set(attached.getContentFrameLw());
4311                if (attached.isVoiceInteraction()) {
4312                    if (cf.left < mVoiceContentLeft) cf.left = mVoiceContentLeft;
4313                    if (cf.top < mVoiceContentTop) cf.top = mVoiceContentTop;
4314                    if (cf.right > mVoiceContentRight) cf.right = mVoiceContentRight;
4315                    if (cf.bottom > mVoiceContentBottom) cf.bottom = mVoiceContentBottom;
4316                } else if (attached.getSurfaceLayer() < mDockLayer) {
4317                    if (cf.left < mContentLeft) cf.left = mContentLeft;
4318                    if (cf.top < mContentTop) cf.top = mContentTop;
4319                    if (cf.right > mContentRight) cf.right = mContentRight;
4320                    if (cf.bottom > mContentBottom) cf.bottom = mContentBottom;
4321                }
4322            }
4323            df.set(insetDecors ? attached.getDisplayFrameLw() : cf);
4324            of.set(insetDecors ? attached.getOverscanFrameLw() : cf);
4325            vf.set(attached.getVisibleFrameLw());
4326        }
4327        // The LAYOUT_IN_SCREEN flag is used to determine whether the attached
4328        // window should be positioned relative to its parent or the entire
4329        // screen.
4330        pf.set((fl & FLAG_LAYOUT_IN_SCREEN) == 0
4331                ? attached.getFrameLw() : df);
4332    }
4333
4334    private void applyStableConstraints(int sysui, int fl, Rect r) {
4335        if ((sysui & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
4336            // If app is requesting a stable layout, don't let the
4337            // content insets go below the stable values.
4338            if ((fl & FLAG_FULLSCREEN) != 0) {
4339                if (r.left < mStableFullscreenLeft) r.left = mStableFullscreenLeft;
4340                if (r.top < mStableFullscreenTop) r.top = mStableFullscreenTop;
4341                if (r.right > mStableFullscreenRight) r.right = mStableFullscreenRight;
4342                if (r.bottom > mStableFullscreenBottom) r.bottom = mStableFullscreenBottom;
4343            } else {
4344                if (r.left < mStableLeft) r.left = mStableLeft;
4345                if (r.top < mStableTop) r.top = mStableTop;
4346                if (r.right > mStableRight) r.right = mStableRight;
4347                if (r.bottom > mStableBottom) r.bottom = mStableBottom;
4348            }
4349        }
4350    }
4351
4352    private boolean canReceiveInput(WindowState win) {
4353        boolean notFocusable =
4354                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) != 0;
4355        boolean altFocusableIm =
4356                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM) != 0;
4357        boolean notFocusableForIm = notFocusable ^ altFocusableIm;
4358        return !notFocusableForIm;
4359    }
4360
4361    /** {@inheritDoc} */
4362    @Override
4363    public void layoutWindowLw(WindowState win, WindowState attached) {
4364        // We've already done the navigation bar and status bar. If the status bar can receive
4365        // input, we need to layout it again to accomodate for the IME window.
4366        if ((win == mStatusBar && !canReceiveInput(win)) || win == mNavigationBar) {
4367            return;
4368        }
4369        final WindowManager.LayoutParams attrs = win.getAttrs();
4370        final boolean isDefaultDisplay = win.isDefaultDisplay();
4371        final boolean needsToOffsetInputMethodTarget = isDefaultDisplay &&
4372                (win == mLastInputMethodTargetWindow && mLastInputMethodWindow != null);
4373        if (needsToOffsetInputMethodTarget) {
4374            if (DEBUG_LAYOUT) Slog.i(TAG, "Offset ime target window by the last ime window state");
4375            offsetInputMethodWindowLw(mLastInputMethodWindow);
4376        }
4377
4378        final int fl = PolicyControl.getWindowFlags(win, attrs);
4379        final int pfl = attrs.privateFlags;
4380        final int sim = attrs.softInputMode;
4381        final int sysUiFl = PolicyControl.getSystemUiVisibility(win, null);
4382
4383        final Rect pf = mTmpParentFrame;
4384        final Rect df = mTmpDisplayFrame;
4385        final Rect of = mTmpOverscanFrame;
4386        final Rect cf = mTmpContentFrame;
4387        final Rect vf = mTmpVisibleFrame;
4388        final Rect dcf = mTmpDecorFrame;
4389        final Rect sf = mTmpStableFrame;
4390        Rect osf = null;
4391        dcf.setEmpty();
4392
4393        final boolean hasNavBar = (isDefaultDisplay && mHasNavigationBar
4394                && mNavigationBar != null && mNavigationBar.isVisibleLw());
4395
4396        final int adjust = sim & SOFT_INPUT_MASK_ADJUST;
4397
4398        if (isDefaultDisplay) {
4399            sf.set(mStableLeft, mStableTop, mStableRight, mStableBottom);
4400        } else {
4401            sf.set(mOverscanLeft, mOverscanTop, mOverscanRight, mOverscanBottom);
4402        }
4403
4404        if (!isDefaultDisplay) {
4405            if (attached != null) {
4406                // If this window is attached to another, our display
4407                // frame is the same as the one we are attached to.
4408                setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4409            } else {
4410                // Give the window full screen.
4411                pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4412                pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4413                pf.right = df.right = of.right = cf.right
4414                        = mOverscanScreenLeft + mOverscanScreenWidth;
4415                pf.bottom = df.bottom = of.bottom = cf.bottom
4416                        = mOverscanScreenTop + mOverscanScreenHeight;
4417            }
4418        } else if (attrs.type == TYPE_INPUT_METHOD) {
4419            pf.left = df.left = of.left = cf.left = vf.left = mDockLeft;
4420            pf.top = df.top = of.top = cf.top = vf.top = mDockTop;
4421            pf.right = df.right = of.right = cf.right = vf.right = mDockRight;
4422            // IM dock windows layout below the nav bar...
4423            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4424            // ...with content insets above the nav bar
4425            cf.bottom = vf.bottom = mStableBottom;
4426            if (mStatusBar != null && mFocusedWindow == mStatusBar && canReceiveInput(mStatusBar)) {
4427                // The status bar forces the navigation bar while it's visible. Make sure the IME
4428                // avoids the navigation bar in that case.
4429                if (mNavigationBarPosition == NAV_BAR_RIGHT) {
4430                    pf.right = df.right = of.right = cf.right = vf.right = mStableRight;
4431                } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
4432                    pf.left = df.left = of.left = cf.left = vf.left = mStableLeft;
4433                }
4434            }
4435            // IM dock windows always go to the bottom of the screen.
4436            attrs.gravity = Gravity.BOTTOM;
4437            mDockLayer = win.getSurfaceLayer();
4438        } else if (attrs.type == TYPE_VOICE_INTERACTION) {
4439            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4440            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4441            pf.right = df.right = of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4442            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4443            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4444                cf.left = mDockLeft;
4445                cf.top = mDockTop;
4446                cf.right = mDockRight;
4447                cf.bottom = mDockBottom;
4448            } else {
4449                cf.left = mContentLeft;
4450                cf.top = mContentTop;
4451                cf.right = mContentRight;
4452                cf.bottom = mContentBottom;
4453            }
4454            if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4455                vf.left = mCurLeft;
4456                vf.top = mCurTop;
4457                vf.right = mCurRight;
4458                vf.bottom = mCurBottom;
4459            } else {
4460                vf.set(cf);
4461            }
4462        } else if (attrs.type == TYPE_WALLPAPER) {
4463           layoutWallpaper(win, pf, df, of, cf);
4464        } else if (win == mStatusBar) {
4465            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4466            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4467            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
4468            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight + mUnrestrictedScreenTop;
4469            cf.left = vf.left = mStableLeft;
4470            cf.top = vf.top = mStableTop;
4471            cf.right = vf.right = mStableRight;
4472            vf.bottom = mStableBottom;
4473
4474            if (adjust == SOFT_INPUT_ADJUST_RESIZE) {
4475                cf.bottom = mContentBottom;
4476            } else {
4477                cf.bottom = mDockBottom;
4478                vf.bottom = mContentBottom;
4479            }
4480        } else {
4481
4482            // Default policy decor for the default display
4483            dcf.left = mSystemLeft;
4484            dcf.top = mSystemTop;
4485            dcf.right = mSystemRight;
4486            dcf.bottom = mSystemBottom;
4487            final boolean inheritTranslucentDecor = (attrs.privateFlags
4488                    & WindowManager.LayoutParams.PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR) != 0;
4489            final boolean isAppWindow =
4490                    attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW &&
4491                    attrs.type <= WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
4492            final boolean topAtRest =
4493                    win == mTopFullscreenOpaqueWindowState && !win.isAnimatingLw();
4494            if (isAppWindow && !inheritTranslucentDecor && !topAtRest) {
4495                if ((sysUiFl & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0
4496                        && (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) == 0
4497                        && (fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) == 0
4498                        && (fl & WindowManager.LayoutParams.
4499                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0
4500                        && (pfl & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND) == 0) {
4501                    // Ensure policy decor includes status bar
4502                    dcf.top = mStableTop;
4503                }
4504                if ((fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) == 0
4505                        && (sysUiFl & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0
4506                        && (fl & WindowManager.LayoutParams.
4507                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
4508                    // Ensure policy decor includes navigation bar
4509                    dcf.bottom = mStableBottom;
4510                    dcf.right = mStableRight;
4511                }
4512            }
4513
4514            if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
4515                    == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
4516                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle()
4517                            + "): IN_SCREEN, INSET_DECOR");
4518                // This is the case for a normal activity window: we want it
4519                // to cover all of the screen space, and it can take care of
4520                // moving its contents to account for screen decorations that
4521                // intrude into that space.
4522                if (attached != null) {
4523                    // If this window is attached to another, our display
4524                    // frame is the same as the one we are attached to.
4525                    setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4526                } else {
4527                    if (attrs.type == TYPE_STATUS_BAR_PANEL
4528                            || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
4529                        // Status bar panels are the only windows who can go on top of
4530                        // the status bar.  They are protected by the STATUS_BAR_SERVICE
4531                        // permission, so they have the same privileges as the status
4532                        // bar itself.
4533                        //
4534                        // However, they should still dodge the navigation bar if it exists.
4535
4536                        pf.left = df.left = of.left = hasNavBar
4537                                ? mDockLeft : mUnrestrictedScreenLeft;
4538                        pf.top = df.top = of.top = mUnrestrictedScreenTop;
4539                        pf.right = df.right = of.right = hasNavBar
4540                                ? mRestrictedScreenLeft+mRestrictedScreenWidth
4541                                : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4542                        pf.bottom = df.bottom = of.bottom = hasNavBar
4543                                ? mRestrictedScreenTop+mRestrictedScreenHeight
4544                                : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4545
4546                        if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4547                                        "Laying out status bar window: (%d,%d - %d,%d)",
4548                                        pf.left, pf.top, pf.right, pf.bottom));
4549                    } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4550                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4551                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4552                        // Asking to layout into the overscan region, so give it that pure
4553                        // unrestricted area.
4554                        pf.left = df.left = of.left = mOverscanScreenLeft;
4555                        pf.top = df.top = of.top = mOverscanScreenTop;
4556                        pf.right = df.right = of.right = mOverscanScreenLeft + mOverscanScreenWidth;
4557                        pf.bottom = df.bottom = of.bottom = mOverscanScreenTop
4558                                + mOverscanScreenHeight;
4559                    } else if (canHideNavigationBar()
4560                            && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4561                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4562                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4563                        // Asking for layout as if the nav bar is hidden, lets the
4564                        // application extend into the unrestricted overscan screen area.  We
4565                        // only do this for application windows to ensure no window that
4566                        // can be above the nav bar can do this.
4567                        pf.left = df.left = mOverscanScreenLeft;
4568                        pf.top = df.top = mOverscanScreenTop;
4569                        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4570                        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4571                        // We need to tell the app about where the frame inside the overscan
4572                        // is, so it can inset its content by that amount -- it didn't ask
4573                        // to actually extend itself into the overscan region.
4574                        of.left = mUnrestrictedScreenLeft;
4575                        of.top = mUnrestrictedScreenTop;
4576                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4577                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4578                    } else {
4579                        pf.left = df.left = mRestrictedOverscanScreenLeft;
4580                        pf.top = df.top = mRestrictedOverscanScreenTop;
4581                        pf.right = df.right = mRestrictedOverscanScreenLeft
4582                                + mRestrictedOverscanScreenWidth;
4583                        pf.bottom = df.bottom = mRestrictedOverscanScreenTop
4584                                + mRestrictedOverscanScreenHeight;
4585                        // We need to tell the app about where the frame inside the overscan
4586                        // is, so it can inset its content by that amount -- it didn't ask
4587                        // to actually extend itself into the overscan region.
4588                        of.left = mUnrestrictedScreenLeft;
4589                        of.top = mUnrestrictedScreenTop;
4590                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4591                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4592                    }
4593
4594                    if ((fl & FLAG_FULLSCREEN) == 0) {
4595                        if (win.isVoiceInteraction()) {
4596                            cf.left = mVoiceContentLeft;
4597                            cf.top = mVoiceContentTop;
4598                            cf.right = mVoiceContentRight;
4599                            cf.bottom = mVoiceContentBottom;
4600                        } else {
4601                            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4602                                cf.left = mDockLeft;
4603                                cf.top = mDockTop;
4604                                cf.right = mDockRight;
4605                                cf.bottom = mDockBottom;
4606                            } else {
4607                                cf.left = mContentLeft;
4608                                cf.top = mContentTop;
4609                                cf.right = mContentRight;
4610                                cf.bottom = mContentBottom;
4611                            }
4612                        }
4613                    } else {
4614                        // Full screen windows are always given a layout that is as if the
4615                        // status bar and other transient decors are gone.  This is to avoid
4616                        // bad states when moving from a window that is not hding the
4617                        // status bar to one that is.
4618                        cf.left = mRestrictedScreenLeft;
4619                        cf.top = mRestrictedScreenTop;
4620                        cf.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
4621                        cf.bottom = mRestrictedScreenTop + mRestrictedScreenHeight;
4622                    }
4623                    applyStableConstraints(sysUiFl, fl, cf);
4624                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4625                        vf.left = mCurLeft;
4626                        vf.top = mCurTop;
4627                        vf.right = mCurRight;
4628                        vf.bottom = mCurBottom;
4629                    } else {
4630                        vf.set(cf);
4631                    }
4632                }
4633            } else if ((fl & FLAG_LAYOUT_IN_SCREEN) != 0 || (sysUiFl
4634                    & (View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
4635                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION)) != 0) {
4636                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4637                        "): IN_SCREEN");
4638                // A window that has requested to fill the entire screen just
4639                // gets everything, period.
4640                if (attrs.type == TYPE_STATUS_BAR_PANEL
4641                        || attrs.type == TYPE_STATUS_BAR_SUB_PANEL
4642                        || attrs.type == TYPE_VOLUME_OVERLAY) {
4643                    pf.left = df.left = of.left = cf.left = hasNavBar
4644                            ? mDockLeft : mUnrestrictedScreenLeft;
4645                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4646                    pf.right = df.right = of.right = cf.right = hasNavBar
4647                                        ? mRestrictedScreenLeft+mRestrictedScreenWidth
4648                                        : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4649                    pf.bottom = df.bottom = of.bottom = cf.bottom = hasNavBar
4650                                          ? mRestrictedScreenTop+mRestrictedScreenHeight
4651                                          : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4652                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4653                                    "Laying out IN_SCREEN status bar window: (%d,%d - %d,%d)",
4654                                    pf.left, pf.top, pf.right, pf.bottom));
4655                } else if (attrs.type == TYPE_NAVIGATION_BAR
4656                        || attrs.type == TYPE_NAVIGATION_BAR_PANEL) {
4657                    // The navigation bar has Real Ultimate Power.
4658                    pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4659                    pf.top = df.top = of.top = mUnrestrictedScreenTop;
4660                    pf.right = df.right = of.right = mUnrestrictedScreenLeft
4661                            + mUnrestrictedScreenWidth;
4662                    pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop
4663                            + mUnrestrictedScreenHeight;
4664                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4665                                    "Laying out navigation bar window: (%d,%d - %d,%d)",
4666                                    pf.left, pf.top, pf.right, pf.bottom));
4667                } else if ((attrs.type == TYPE_SECURE_SYSTEM_OVERLAY
4668                                || attrs.type == TYPE_BOOT_PROGRESS
4669                                || attrs.type == TYPE_SCREENSHOT)
4670                        && ((fl & FLAG_FULLSCREEN) != 0)) {
4671                    // Fullscreen secure system overlays get what they ask for. Screenshot region
4672                    // selection overlay should also expand to full screen.
4673                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4674                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4675                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4676                            + mOverscanScreenWidth;
4677                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4678                            + mOverscanScreenHeight;
4679                } else if (attrs.type == TYPE_BOOT_PROGRESS) {
4680                    // Boot progress screen always covers entire display.
4681                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4682                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4683                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4684                            + mOverscanScreenWidth;
4685                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4686                            + mOverscanScreenHeight;
4687                } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4688                        && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4689                        && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4690                    // Asking to layout into the overscan region, so give it that pure
4691                    // unrestricted area.
4692                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4693                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4694                    pf.right = df.right = of.right = cf.right
4695                            = mOverscanScreenLeft + mOverscanScreenWidth;
4696                    pf.bottom = df.bottom = of.bottom = cf.bottom
4697                            = mOverscanScreenTop + mOverscanScreenHeight;
4698                } else if (canHideNavigationBar()
4699                        && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4700                        && (attrs.type == TYPE_STATUS_BAR
4701                            || attrs.type == TYPE_TOAST
4702                            || attrs.type == TYPE_DOCK_DIVIDER
4703                            || attrs.type == TYPE_VOICE_INTERACTION_STARTING
4704                            || (attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4705                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW))) {
4706                    // Asking for layout as if the nav bar is hidden, lets the
4707                    // application extend into the unrestricted screen area.  We
4708                    // only do this for application windows (or toasts) to ensure no window that
4709                    // can be above the nav bar can do this.
4710                    // XXX This assumes that an app asking for this will also
4711                    // ask for layout in only content.  We can't currently figure out
4712                    // what the screen would be if only laying out to hide the nav bar.
4713                    pf.left = df.left = of.left = cf.left = mUnrestrictedScreenLeft;
4714                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4715                    pf.right = df.right = of.right = cf.right = mUnrestrictedScreenLeft
4716                            + mUnrestrictedScreenWidth;
4717                    pf.bottom = df.bottom = of.bottom = cf.bottom = mUnrestrictedScreenTop
4718                            + mUnrestrictedScreenHeight;
4719                } else if ((sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN) != 0) {
4720                    pf.left = df.left = of.left = mRestrictedScreenLeft;
4721                    pf.top = df.top = of.top  = mRestrictedScreenTop;
4722                    pf.right = df.right = of.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
4723                    pf.bottom = df.bottom = of.bottom = mRestrictedScreenTop
4724                            + mRestrictedScreenHeight;
4725                    if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4726                        cf.left = mDockLeft;
4727                        cf.top = mDockTop;
4728                        cf.right = mDockRight;
4729                        cf.bottom = mDockBottom;
4730                    } else {
4731                        cf.left = mContentLeft;
4732                        cf.top = mContentTop;
4733                        cf.right = mContentRight;
4734                        cf.bottom = mContentBottom;
4735                    }
4736                } else {
4737                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4738                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4739                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4740                            + mRestrictedScreenWidth;
4741                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4742                            + mRestrictedScreenHeight;
4743                }
4744
4745                applyStableConstraints(sysUiFl, fl, cf);
4746
4747                if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4748                    vf.left = mCurLeft;
4749                    vf.top = mCurTop;
4750                    vf.right = mCurRight;
4751                    vf.bottom = mCurBottom;
4752                } else {
4753                    vf.set(cf);
4754                }
4755            } else if (attached != null) {
4756                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4757                        "): attached to " + attached);
4758                // A child window should be placed inside of the same visible
4759                // frame that its parent had.
4760                setAttachedWindowFrames(win, fl, adjust, attached, false, pf, df, of, cf, vf);
4761            } else {
4762                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4763                        "): normal window");
4764                // Otherwise, a normal window must be placed inside the content
4765                // of all screen decorations.
4766                if (attrs.type == TYPE_STATUS_BAR_PANEL || attrs.type == TYPE_VOLUME_OVERLAY) {
4767                    // Status bar panels and the volume dialog are the only windows who can go on
4768                    // top of the status bar.  They are protected by the STATUS_BAR_SERVICE
4769                    // permission, so they have the same privileges as the status
4770                    // bar itself.
4771                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4772                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4773                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4774                            + mRestrictedScreenWidth;
4775                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4776                            + mRestrictedScreenHeight;
4777                } else if (attrs.type == TYPE_TOAST || attrs.type == TYPE_SYSTEM_ALERT) {
4778                    // These dialogs are stable to interim decor changes.
4779                    pf.left = df.left = of.left = cf.left = mStableLeft;
4780                    pf.top = df.top = of.top = cf.top = mStableTop;
4781                    pf.right = df.right = of.right = cf.right = mStableRight;
4782                    pf.bottom = df.bottom = of.bottom = cf.bottom = mStableBottom;
4783                } else {
4784                    pf.left = mContentLeft;
4785                    pf.top = mContentTop;
4786                    pf.right = mContentRight;
4787                    pf.bottom = mContentBottom;
4788                    if (win.isVoiceInteraction()) {
4789                        df.left = of.left = cf.left = mVoiceContentLeft;
4790                        df.top = of.top = cf.top = mVoiceContentTop;
4791                        df.right = of.right = cf.right = mVoiceContentRight;
4792                        df.bottom = of.bottom = cf.bottom = mVoiceContentBottom;
4793                    } else if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4794                        df.left = of.left = cf.left = mDockLeft;
4795                        df.top = of.top = cf.top = mDockTop;
4796                        df.right = of.right = cf.right = mDockRight;
4797                        df.bottom = of.bottom = cf.bottom = mDockBottom;
4798                    } else {
4799                        df.left = of.left = cf.left = mContentLeft;
4800                        df.top = of.top = cf.top = mContentTop;
4801                        df.right = of.right = cf.right = mContentRight;
4802                        df.bottom = of.bottom = cf.bottom = mContentBottom;
4803                    }
4804                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4805                        vf.left = mCurLeft;
4806                        vf.top = mCurTop;
4807                        vf.right = mCurRight;
4808                        vf.bottom = mCurBottom;
4809                    } else {
4810                        vf.set(cf);
4811                    }
4812                }
4813            }
4814        }
4815
4816        // TYPE_SYSTEM_ERROR is above the NavigationBar so it can't be allowed to extend over it.
4817        // Also, we don't allow windows in multi-window mode to extend out of the screen.
4818        if ((fl & FLAG_LAYOUT_NO_LIMITS) != 0 && attrs.type != TYPE_SYSTEM_ERROR
4819                && !win.isInMultiWindowMode()) {
4820            df.left = df.top = -10000;
4821            df.right = df.bottom = 10000;
4822            if (attrs.type != TYPE_WALLPAPER) {
4823                of.left = of.top = cf.left = cf.top = vf.left = vf.top = -10000;
4824                of.right = of.bottom = cf.right = cf.bottom = vf.right = vf.bottom = 10000;
4825            }
4826        }
4827
4828        // If the device has a chin (e.g. some watches), a dead area at the bottom of the screen we
4829        // need to provide information to the clients that want to pretend that you can draw there.
4830        // We only want to apply outsets to certain types of windows. For example, we never want to
4831        // apply the outsets to floating dialogs, because they wouldn't make sense there.
4832        final boolean useOutsets = shouldUseOutsets(attrs, fl);
4833        if (isDefaultDisplay && useOutsets) {
4834            osf = mTmpOutsetFrame;
4835            osf.set(cf.left, cf.top, cf.right, cf.bottom);
4836            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
4837            if (outset > 0) {
4838                int rotation = mDisplayRotation;
4839                if (rotation == Surface.ROTATION_0) {
4840                    osf.bottom += outset;
4841                } else if (rotation == Surface.ROTATION_90) {
4842                    osf.right += outset;
4843                } else if (rotation == Surface.ROTATION_180) {
4844                    osf.top -= outset;
4845                } else if (rotation == Surface.ROTATION_270) {
4846                    osf.left -= outset;
4847                }
4848                if (DEBUG_LAYOUT) Slog.v(TAG, "applying bottom outset of " + outset
4849                        + " with rotation " + rotation + ", result: " + osf);
4850            }
4851        }
4852
4853        if (DEBUG_LAYOUT) Slog.v(TAG, "Compute frame " + attrs.getTitle()
4854                + ": sim=#" + Integer.toHexString(sim)
4855                + " attach=" + attached + " type=" + attrs.type
4856                + String.format(" flags=0x%08x", fl)
4857                + " pf=" + pf.toShortString() + " df=" + df.toShortString()
4858                + " of=" + of.toShortString()
4859                + " cf=" + cf.toShortString() + " vf=" + vf.toShortString()
4860                + " dcf=" + dcf.toShortString()
4861                + " sf=" + sf.toShortString()
4862                + " osf=" + (osf == null ? "null" : osf.toShortString()));
4863
4864        win.computeFrameLw(pf, df, of, cf, vf, dcf, sf, osf);
4865
4866        // Dock windows carve out the bottom of the screen, so normal windows
4867        // can't appear underneath them.
4868        if (attrs.type == TYPE_INPUT_METHOD && win.isVisibleOrBehindKeyguardLw()
4869                && win.isDisplayedLw() && !win.getGivenInsetsPendingLw()) {
4870            setLastInputMethodWindowLw(null, null);
4871            offsetInputMethodWindowLw(win);
4872        }
4873        if (attrs.type == TYPE_VOICE_INTERACTION && win.isVisibleOrBehindKeyguardLw()
4874                && !win.getGivenInsetsPendingLw()) {
4875            offsetVoiceInputWindowLw(win);
4876        }
4877    }
4878
4879    private void layoutWallpaper(WindowState win, Rect pf, Rect df, Rect of, Rect cf) {
4880
4881        // The wallpaper also has Real Ultimate Power, but we want to tell
4882        // it about the overscan area.
4883        pf.left = df.left = mOverscanScreenLeft;
4884        pf.top = df.top = mOverscanScreenTop;
4885        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4886        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4887        of.left = cf.left = mUnrestrictedScreenLeft;
4888        of.top = cf.top = mUnrestrictedScreenTop;
4889        of.right = cf.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4890        of.bottom = cf.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4891    }
4892
4893    private void offsetInputMethodWindowLw(WindowState win) {
4894        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4895        top += win.getGivenContentInsetsLw().top;
4896        if (mContentBottom > top) {
4897            mContentBottom = top;
4898        }
4899        if (mVoiceContentBottom > top) {
4900            mVoiceContentBottom = top;
4901        }
4902        top = win.getVisibleFrameLw().top;
4903        top += win.getGivenVisibleInsetsLw().top;
4904        if (mCurBottom > top) {
4905            mCurBottom = top;
4906        }
4907        if (DEBUG_LAYOUT) Slog.v(TAG, "Input method: mDockBottom="
4908                + mDockBottom + " mContentBottom="
4909                + mContentBottom + " mCurBottom=" + mCurBottom);
4910    }
4911
4912    private void offsetVoiceInputWindowLw(WindowState win) {
4913        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4914        top += win.getGivenContentInsetsLw().top;
4915        if (mVoiceContentBottom > top) {
4916            mVoiceContentBottom = top;
4917        }
4918    }
4919
4920    /** {@inheritDoc} */
4921    @Override
4922    public void finishLayoutLw() {
4923        return;
4924    }
4925
4926    /** {@inheritDoc} */
4927    @Override
4928    public void beginPostLayoutPolicyLw(int displayWidth, int displayHeight) {
4929        mTopFullscreenOpaqueWindowState = null;
4930        mTopFullscreenOpaqueOrDimmingWindowState = null;
4931        mTopDockedOpaqueWindowState = null;
4932        mTopDockedOpaqueOrDimmingWindowState = null;
4933        mAppsToBeHidden.clear();
4934        mAppsThatDismissKeyguard.clear();
4935        mForceStatusBar = false;
4936        mForceStatusBarFromKeyguard = false;
4937        mForceStatusBarTransparent = false;
4938        mForcingShowNavBar = false;
4939        mForcingShowNavBarLayer = -1;
4940
4941        mHideLockScreen = false;
4942        mAllowLockscreenWhenOn = false;
4943        mDismissKeyguard = DISMISS_KEYGUARD_NONE;
4944        mShowingLockscreen = false;
4945        mShowingDream = false;
4946        mWinShowWhenLocked = null;
4947        mKeyguardSecure = isKeyguardSecure(mCurrentUserId);
4948        mKeyguardSecureIncludingHidden = mKeyguardSecure
4949                && (mKeyguardDelegate != null && mKeyguardDelegate.isShowing());
4950    }
4951
4952    /** {@inheritDoc} */
4953    @Override
4954    public void applyPostLayoutPolicyLw(WindowState win, WindowManager.LayoutParams attrs,
4955            WindowState attached) {
4956        if (DEBUG_LAYOUT) Slog.i(TAG, "Win " + win + ": isVisibleOrBehindKeyguardLw="
4957                + win.isVisibleOrBehindKeyguardLw());
4958        final int fl = PolicyControl.getWindowFlags(win, attrs);
4959        if (mTopFullscreenOpaqueWindowState == null
4960                && win.isVisibleLw() && attrs.type == TYPE_INPUT_METHOD) {
4961            mForcingShowNavBar = true;
4962            mForcingShowNavBarLayer = win.getSurfaceLayer();
4963        }
4964        if (attrs.type == TYPE_STATUS_BAR) {
4965            if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4966                mForceStatusBarFromKeyguard = true;
4967                mShowingLockscreen = true;
4968            }
4969            if ((attrs.privateFlags & PRIVATE_FLAG_FORCE_STATUS_BAR_VISIBLE_TRANSPARENT) != 0) {
4970                mForceStatusBarTransparent = true;
4971            }
4972        }
4973
4974        boolean appWindow = attrs.type >= FIRST_APPLICATION_WINDOW
4975                && attrs.type < FIRST_SYSTEM_WINDOW;
4976        final boolean showWhenLocked = (fl & FLAG_SHOW_WHEN_LOCKED) != 0;
4977        final boolean dismissKeyguard = (fl & FLAG_DISMISS_KEYGUARD) != 0;
4978        final int stackId = win.getStackId();
4979        if (mTopFullscreenOpaqueWindowState == null &&
4980                win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()) {
4981            if ((fl & FLAG_FORCE_NOT_FULLSCREEN) != 0) {
4982                if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4983                    mForceStatusBarFromKeyguard = true;
4984                } else {
4985                    mForceStatusBar = true;
4986                }
4987            }
4988            if (attrs.type == TYPE_DREAM) {
4989                // If the lockscreen was showing when the dream started then wait
4990                // for the dream to draw before hiding the lockscreen.
4991                if (!mDreamingLockscreen
4992                        || (win.isVisibleLw() && win.hasDrawnLw())) {
4993                    mShowingDream = true;
4994                    appWindow = true;
4995                }
4996            }
4997
4998            final IApplicationToken appToken = win.getAppToken();
4999
5000            // For app windows that are not attached, we decide if all windows in the app they
5001            // represent should be hidden or if we should hide the lockscreen. For attached app
5002            // windows we defer the decision to the window it is attached to.
5003            if (appWindow && attached == null) {
5004                if (showWhenLocked) {
5005                    // Remove any previous windows with the same appToken.
5006                    mAppsToBeHidden.remove(appToken);
5007                    mAppsThatDismissKeyguard.remove(appToken);
5008                    if (mAppsToBeHidden.isEmpty()) {
5009                        if (dismissKeyguard && !mKeyguardSecure) {
5010                            mAppsThatDismissKeyguard.add(appToken);
5011                        } else if (win.isDrawnLw() || win.hasAppShownWindows()) {
5012                            mWinShowWhenLocked = win;
5013                            mHideLockScreen = true;
5014                            mForceStatusBarFromKeyguard = false;
5015                        }
5016                    }
5017                } else if (dismissKeyguard) {
5018                    if (mKeyguardSecure) {
5019                        mAppsToBeHidden.add(appToken);
5020                    } else {
5021                        mAppsToBeHidden.remove(appToken);
5022                    }
5023                    mAppsThatDismissKeyguard.add(appToken);
5024                } else {
5025                    mAppsToBeHidden.add(appToken);
5026                }
5027                if (isFullscreen(attrs) && StackId.normallyFullscreenWindows(stackId)) {
5028                    if (DEBUG_LAYOUT) Slog.v(TAG, "Fullscreen window: " + win);
5029                    mTopFullscreenOpaqueWindowState = win;
5030                    if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
5031                        mTopFullscreenOpaqueOrDimmingWindowState = win;
5032                    }
5033                    if (!mAppsThatDismissKeyguard.isEmpty() &&
5034                            mDismissKeyguard == DISMISS_KEYGUARD_NONE) {
5035                        if (DEBUG_LAYOUT) Slog.v(TAG,
5036                                "Setting mDismissKeyguard true by win " + win);
5037                        mDismissKeyguard = (mWinDismissingKeyguard == win
5038                                && mSecureDismissingKeyguard == mKeyguardSecure)
5039                                ? DISMISS_KEYGUARD_CONTINUE : DISMISS_KEYGUARD_START;
5040                        mWinDismissingKeyguard = win;
5041                        mSecureDismissingKeyguard = mKeyguardSecure;
5042                        mForceStatusBarFromKeyguard = mShowingLockscreen && mKeyguardSecure;
5043                    } else if (mAppsToBeHidden.isEmpty() && showWhenLocked
5044                            && (win.isDrawnLw() || win.hasAppShownWindows())) {
5045                        if (DEBUG_LAYOUT) Slog.v(TAG,
5046                                "Setting mHideLockScreen to true by win " + win);
5047                        mHideLockScreen = true;
5048                        mForceStatusBarFromKeyguard = false;
5049                    }
5050                    if ((fl & FLAG_ALLOW_LOCK_WHILE_SCREEN_ON) != 0) {
5051                        mAllowLockscreenWhenOn = true;
5052                    }
5053                }
5054
5055                if (!mKeyguardHidden && mWinShowWhenLocked != null &&
5056                        mWinShowWhenLocked.getAppToken() != win.getAppToken() &&
5057                        (attrs.flags & FLAG_SHOW_WHEN_LOCKED) == 0) {
5058                    win.hideLw(false);
5059                }
5060            }
5061        } else if (mTopFullscreenOpaqueWindowState == null && mWinShowWhenLocked == null) {
5062            // No TopFullscreenOpaqueWindow is showing, but we found a SHOW_WHEN_LOCKED window
5063            // that is being hidden in an animation - keep the
5064            // keyguard hidden until the new window shows up and
5065            // we know whether to show the keyguard or not.
5066            if (win.isAnimatingLw() && appWindow && showWhenLocked && mKeyguardHidden) {
5067                mHideLockScreen = true;
5068                mWinShowWhenLocked = win;
5069            }
5070        }
5071
5072        final boolean reallyVisible = win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw();
5073
5074        // Voice interaction overrides both top fullscreen and top docked.
5075        if (reallyVisible && win.getAttrs().type == TYPE_VOICE_INTERACTION) {
5076            if (mTopFullscreenOpaqueWindowState == null) {
5077                mTopFullscreenOpaqueWindowState = win;
5078                if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
5079                    mTopFullscreenOpaqueOrDimmingWindowState = win;
5080                }
5081            }
5082            if (mTopDockedOpaqueWindowState == null) {
5083                mTopDockedOpaqueWindowState = win;
5084                if (mTopDockedOpaqueOrDimmingWindowState == null) {
5085                    mTopDockedOpaqueOrDimmingWindowState = win;
5086                }
5087            }
5088        }
5089
5090        // Keep track of the window if it's dimming but not necessarily fullscreen.
5091        if (mTopFullscreenOpaqueOrDimmingWindowState == null && reallyVisible
5092                && win.isDimming() && StackId.normallyFullscreenWindows(stackId)) {
5093            mTopFullscreenOpaqueOrDimmingWindowState = win;
5094        }
5095
5096        // We need to keep track of the top "fullscreen" opaque window for the docked stack
5097        // separately, because both the "real fullscreen" opaque window and the one for the docked
5098        // stack can control View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR.
5099        if (mTopDockedOpaqueWindowState == null && reallyVisible && appWindow && attached == null
5100                && isFullscreen(attrs) && stackId == DOCKED_STACK_ID) {
5101            mTopDockedOpaqueWindowState = win;
5102            if (mTopDockedOpaqueOrDimmingWindowState == null) {
5103                mTopDockedOpaqueOrDimmingWindowState = win;
5104            }
5105        }
5106
5107        // Also keep track of any windows that are dimming but not necessarily fullscreen in the
5108        // docked stack.
5109        if (mTopDockedOpaqueOrDimmingWindowState == null && reallyVisible && win.isDimming()
5110                && stackId == DOCKED_STACK_ID) {
5111            mTopDockedOpaqueOrDimmingWindowState = win;
5112        }
5113    }
5114
5115    private boolean isFullscreen(WindowManager.LayoutParams attrs) {
5116        return attrs.x == 0 && attrs.y == 0
5117                && attrs.width == WindowManager.LayoutParams.MATCH_PARENT
5118                && attrs.height == WindowManager.LayoutParams.MATCH_PARENT;
5119    }
5120
5121    /** {@inheritDoc} */
5122    @Override
5123    public int finishPostLayoutPolicyLw() {
5124        if (mWinShowWhenLocked != null && mTopFullscreenOpaqueWindowState != null &&
5125                mWinShowWhenLocked.getAppToken() != mTopFullscreenOpaqueWindowState.getAppToken()
5126                && isKeyguardLocked()) {
5127            // A dialog is dismissing the keyguard. Put the wallpaper behind it and hide the
5128            // fullscreen window.
5129            // TODO: Make sure FLAG_SHOW_WALLPAPER is restored when dialog is dismissed. Or not.
5130            mWinShowWhenLocked.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
5131            mTopFullscreenOpaqueWindowState.hideLw(false);
5132            mTopFullscreenOpaqueWindowState = mWinShowWhenLocked;
5133        }
5134
5135        int changes = 0;
5136        boolean topIsFullscreen = false;
5137
5138        final WindowManager.LayoutParams lp = (mTopFullscreenOpaqueWindowState != null)
5139                ? mTopFullscreenOpaqueWindowState.getAttrs()
5140                : null;
5141
5142        // If we are not currently showing a dream then remember the current
5143        // lockscreen state.  We will use this to determine whether the dream
5144        // started while the lockscreen was showing and remember this state
5145        // while the dream is showing.
5146        if (!mShowingDream) {
5147            mDreamingLockscreen = mShowingLockscreen;
5148            if (mDreamingSleepTokenNeeded) {
5149                mDreamingSleepTokenNeeded = false;
5150                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 0, 1).sendToTarget();
5151            }
5152        } else {
5153            if (!mDreamingSleepTokenNeeded) {
5154                mDreamingSleepTokenNeeded = true;
5155                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 1, 1).sendToTarget();
5156            }
5157        }
5158
5159        if (mStatusBar != null) {
5160            if (DEBUG_LAYOUT) Slog.i(TAG, "force=" + mForceStatusBar
5161                    + " forcefkg=" + mForceStatusBarFromKeyguard
5162                    + " top=" + mTopFullscreenOpaqueWindowState);
5163            boolean shouldBeTransparent = mForceStatusBarTransparent
5164                    && !mForceStatusBar
5165                    && !mForceStatusBarFromKeyguard;
5166            if (!shouldBeTransparent) {
5167                mStatusBarController.setShowTransparent(false /* transparent */);
5168            } else if (!mStatusBar.isVisibleLw()) {
5169                mStatusBarController.setShowTransparent(true /* transparent */);
5170            }
5171
5172            WindowManager.LayoutParams statusBarAttrs = mStatusBar.getAttrs();
5173            boolean statusBarExpanded = statusBarAttrs.height == MATCH_PARENT
5174                    && statusBarAttrs.width == MATCH_PARENT;
5175            if (mForceStatusBar || mForceStatusBarFromKeyguard || mForceStatusBarTransparent
5176                    || statusBarExpanded) {
5177                if (DEBUG_LAYOUT) Slog.v(TAG, "Showing status bar: forced");
5178                if (mStatusBarController.setBarShowingLw(true)) {
5179                    changes |= FINISH_LAYOUT_REDO_LAYOUT;
5180                }
5181                // Maintain fullscreen layout until incoming animation is complete.
5182                topIsFullscreen = mTopIsFullscreen && mStatusBar.isAnimatingLw();
5183                // Transient status bar on the lockscreen is not allowed
5184                if (mForceStatusBarFromKeyguard && mStatusBarController.isTransientShowing()) {
5185                    mStatusBarController.updateVisibilityLw(false /*transientAllowed*/,
5186                            mLastSystemUiFlags, mLastSystemUiFlags);
5187                }
5188                if (statusBarExpanded && mNavigationBar != null) {
5189                    if (mNavigationBarController.setBarShowingLw(true)) {
5190                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5191                    }
5192                }
5193            } else if (mTopFullscreenOpaqueWindowState != null) {
5194                final int fl = PolicyControl.getWindowFlags(null, lp);
5195                if (localLOGV) {
5196                    Slog.d(TAG, "frame: " + mTopFullscreenOpaqueWindowState.getFrameLw()
5197                            + " shown position: "
5198                            + mTopFullscreenOpaqueWindowState.getShownPositionLw());
5199                    Slog.d(TAG, "attr: " + mTopFullscreenOpaqueWindowState.getAttrs()
5200                            + " lp.flags=0x" + Integer.toHexString(fl));
5201                }
5202                topIsFullscreen = (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0
5203                        || (mLastSystemUiFlags & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
5204                // The subtle difference between the window for mTopFullscreenOpaqueWindowState
5205                // and mTopIsFullscreen is that mTopIsFullscreen is set only if the window
5206                // has the FLAG_FULLSCREEN set.  Not sure if there is another way that to be the
5207                // case though.
5208                if (mStatusBarController.isTransientShowing()) {
5209                    if (mStatusBarController.setBarShowingLw(true)) {
5210                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5211                    }
5212                } else if (topIsFullscreen
5213                        && !mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID)
5214                        && !mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID)) {
5215                    if (DEBUG_LAYOUT) Slog.v(TAG, "** HIDING status bar");
5216                    if (mStatusBarController.setBarShowingLw(false)) {
5217                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5218                    } else {
5219                        if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar already hiding");
5220                    }
5221                } else {
5222                    if (DEBUG_LAYOUT) Slog.v(TAG, "** SHOWING status bar: top is not fullscreen");
5223                    if (mStatusBarController.setBarShowingLw(true)) {
5224                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5225                    }
5226                }
5227            }
5228        }
5229
5230        if (mTopIsFullscreen != topIsFullscreen) {
5231            if (!topIsFullscreen) {
5232                // Force another layout when status bar becomes fully shown.
5233                changes |= FINISH_LAYOUT_REDO_LAYOUT;
5234            }
5235            mTopIsFullscreen = topIsFullscreen;
5236        }
5237
5238        // Hide the key guard if a visible window explicitly specifies that it wants to be
5239        // displayed when the screen is locked.
5240        if (mKeyguardDelegate != null && mStatusBar != null) {
5241            if (localLOGV) Slog.v(TAG, "finishPostLayoutPolicyLw: mHideKeyguard="
5242                    + mHideLockScreen);
5243            if (mDismissKeyguard != DISMISS_KEYGUARD_NONE && !mKeyguardSecure) {
5244                mKeyguardHidden = true;
5245                if (setKeyguardOccludedLw(true)) {
5246                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5247                            | FINISH_LAYOUT_REDO_CONFIG
5248                            | FINISH_LAYOUT_REDO_WALLPAPER;
5249                }
5250                if (mKeyguardDelegate.isShowing()) {
5251                    mHandler.post(new Runnable() {
5252                        @Override
5253                        public void run() {
5254                            mKeyguardDelegate.keyguardDone(false, false);
5255                        }
5256                    });
5257                }
5258            } else if (mHideLockScreen) {
5259                mKeyguardHidden = true;
5260                mWinDismissingKeyguard = null;
5261                if (setKeyguardOccludedLw(true)) {
5262                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5263                            | FINISH_LAYOUT_REDO_CONFIG
5264                            | FINISH_LAYOUT_REDO_WALLPAPER;
5265                }
5266            } else if (mDismissKeyguard != DISMISS_KEYGUARD_NONE) {
5267                mKeyguardHidden = false;
5268                if (setKeyguardOccludedLw(false)) {
5269                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5270                            | FINISH_LAYOUT_REDO_CONFIG
5271                            | FINISH_LAYOUT_REDO_WALLPAPER;
5272                }
5273                if (mDismissKeyguard == DISMISS_KEYGUARD_START) {
5274                    // Only launch the next keyguard unlock window once per window.
5275                    mHandler.post(new Runnable() {
5276                        @Override
5277                        public void run() {
5278                            mKeyguardDelegate.dismiss();
5279                        }
5280                    });
5281                }
5282            } else {
5283                mWinDismissingKeyguard = null;
5284                mSecureDismissingKeyguard = false;
5285                mKeyguardHidden = false;
5286                if (setKeyguardOccludedLw(false)) {
5287                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5288                            | FINISH_LAYOUT_REDO_CONFIG
5289                            | FINISH_LAYOUT_REDO_WALLPAPER;
5290                }
5291            }
5292        }
5293
5294        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
5295            // If the navigation bar has been hidden or shown, we need to do another
5296            // layout pass to update that window.
5297            changes |= FINISH_LAYOUT_REDO_LAYOUT;
5298        }
5299
5300        // update since mAllowLockscreenWhenOn might have changed
5301        updateLockScreenTimeout();
5302        return changes;
5303    }
5304
5305    /**
5306     * Updates the occluded state of the Keyguard.
5307     *
5308     * @return Whether the flags have changed and we have to redo the layout.
5309     */
5310    private boolean setKeyguardOccludedLw(boolean isOccluded) {
5311        boolean wasOccluded = mKeyguardOccluded;
5312        boolean showing = mKeyguardDelegate.isShowing();
5313        if (wasOccluded && !isOccluded && showing) {
5314            mKeyguardOccluded = false;
5315            mKeyguardDelegate.setOccluded(false);
5316            mStatusBar.getAttrs().privateFlags |= PRIVATE_FLAG_KEYGUARD;
5317            return true;
5318        } else if (!wasOccluded && isOccluded && showing) {
5319            mKeyguardOccluded = true;
5320            mKeyguardDelegate.setOccluded(true);
5321            mStatusBar.getAttrs().privateFlags &= ~PRIVATE_FLAG_KEYGUARD;
5322            mStatusBar.getAttrs().flags &= ~FLAG_SHOW_WALLPAPER;
5323            return true;
5324        } else {
5325            return false;
5326        }
5327    }
5328
5329    private boolean isStatusBarKeyguard() {
5330        return mStatusBar != null
5331                && (mStatusBar.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
5332    }
5333
5334    @Override
5335    public boolean allowAppAnimationsLw() {
5336        if (isStatusBarKeyguard() || mShowingDream) {
5337            // If keyguard or dreams is currently visible, no reason to animate behind it.
5338            return false;
5339        }
5340        return true;
5341    }
5342
5343    @Override
5344    public int focusChangedLw(WindowState lastFocus, WindowState newFocus) {
5345        mFocusedWindow = newFocus;
5346        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
5347            // If the navigation bar has been hidden or shown, we need to do another
5348            // layout pass to update that window.
5349            return FINISH_LAYOUT_REDO_LAYOUT;
5350        }
5351        return 0;
5352    }
5353
5354    /** {@inheritDoc} */
5355    @Override
5356    public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
5357        // lid changed state
5358        final int newLidState = lidOpen ? LID_OPEN : LID_CLOSED;
5359        if (newLidState == mLidState) {
5360            return;
5361        }
5362
5363        mLidState = newLidState;
5364        applyLidSwitchState();
5365        updateRotation(true);
5366
5367        if (lidOpen) {
5368            wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromLidSwitch,
5369                    "android.policy:LID");
5370        } else if (!mLidControlsSleep) {
5371            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
5372        }
5373    }
5374
5375    @Override
5376    public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) {
5377        int lensCoverState = lensCovered ? CAMERA_LENS_COVERED : CAMERA_LENS_UNCOVERED;
5378        if (mCameraLensCoverState == lensCoverState) {
5379            return;
5380        }
5381        if (mCameraLensCoverState == CAMERA_LENS_COVERED &&
5382                lensCoverState == CAMERA_LENS_UNCOVERED) {
5383            Intent intent;
5384            final boolean keyguardActive = mKeyguardDelegate == null ? false :
5385                    mKeyguardDelegate.isShowing();
5386            if (keyguardActive) {
5387                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);
5388            } else {
5389                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
5390            }
5391            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromCameraLens,
5392                    "android.policy:CAMERA_COVER");
5393            startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
5394        }
5395        mCameraLensCoverState = lensCoverState;
5396    }
5397
5398    void setHdmiPlugged(boolean plugged) {
5399        if (mHdmiPlugged != plugged) {
5400            mHdmiPlugged = plugged;
5401            updateRotation(true, true);
5402            Intent intent = new Intent(ACTION_HDMI_PLUGGED);
5403            intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
5404            intent.putExtra(EXTRA_HDMI_PLUGGED_STATE, plugged);
5405            mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
5406        }
5407    }
5408
5409    void initializeHdmiState() {
5410        boolean plugged = false;
5411        // watch for HDMI plug messages if the hdmi switch exists
5412        if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
5413            mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
5414
5415            final String filename = "/sys/class/switch/hdmi/state";
5416            FileReader reader = null;
5417            try {
5418                reader = new FileReader(filename);
5419                char[] buf = new char[15];
5420                int n = reader.read(buf);
5421                if (n > 1) {
5422                    plugged = 0 != Integer.parseInt(new String(buf, 0, n-1));
5423                }
5424            } catch (IOException ex) {
5425                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
5426            } catch (NumberFormatException ex) {
5427                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
5428            } finally {
5429                if (reader != null) {
5430                    try {
5431                        reader.close();
5432                    } catch (IOException ex) {
5433                    }
5434                }
5435            }
5436        }
5437        // This dance forces the code in setHdmiPlugged to run.
5438        // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
5439        mHdmiPlugged = !plugged;
5440        setHdmiPlugged(!mHdmiPlugged);
5441    }
5442
5443    final Object mScreenshotLock = new Object();
5444    ServiceConnection mScreenshotConnection = null;
5445
5446    final Runnable mScreenshotTimeout = new Runnable() {
5447        @Override public void run() {
5448            synchronized (mScreenshotLock) {
5449                if (mScreenshotConnection != null) {
5450                    mContext.unbindService(mScreenshotConnection);
5451                    mScreenshotConnection = null;
5452                    notifyScreenshotError();
5453                }
5454            }
5455        }
5456    };
5457
5458    // Assume this is called from the Handler thread.
5459    private void takeScreenshot(final int screenshotType) {
5460        synchronized (mScreenshotLock) {
5461            if (mScreenshotConnection != null) {
5462                return;
5463            }
5464            final ComponentName serviceComponent = new ComponentName(SYSUI_PACKAGE,
5465                    SYSUI_SCREENSHOT_SERVICE);
5466            final Intent serviceIntent = new Intent();
5467            serviceIntent.setComponent(serviceComponent);
5468            ServiceConnection conn = new ServiceConnection() {
5469                @Override
5470                public void onServiceConnected(ComponentName name, IBinder service) {
5471                    synchronized (mScreenshotLock) {
5472                        if (mScreenshotConnection != this) {
5473                            return;
5474                        }
5475                        Messenger messenger = new Messenger(service);
5476                        Message msg = Message.obtain(null, screenshotType);
5477                        final ServiceConnection myConn = this;
5478                        Handler h = new Handler(mHandler.getLooper()) {
5479                            @Override
5480                            public void handleMessage(Message msg) {
5481                                synchronized (mScreenshotLock) {
5482                                    if (mScreenshotConnection == myConn) {
5483                                        mContext.unbindService(mScreenshotConnection);
5484                                        mScreenshotConnection = null;
5485                                        mHandler.removeCallbacks(mScreenshotTimeout);
5486                                    }
5487                                }
5488                            }
5489                        };
5490                        msg.replyTo = new Messenger(h);
5491                        msg.arg1 = msg.arg2 = 0;
5492                        if (mStatusBar != null && mStatusBar.isVisibleLw())
5493                            msg.arg1 = 1;
5494                        if (mNavigationBar != null && mNavigationBar.isVisibleLw())
5495                            msg.arg2 = 1;
5496                        try {
5497                            messenger.send(msg);
5498                        } catch (RemoteException e) {
5499                        }
5500                    }
5501                }
5502
5503                @Override
5504                public void onServiceDisconnected(ComponentName name) {
5505                    notifyScreenshotError();
5506                }
5507            };
5508            if (mContext.bindServiceAsUser(serviceIntent, conn,
5509                    Context.BIND_AUTO_CREATE | Context.BIND_FOREGROUND_SERVICE_WHILE_AWAKE,
5510                    UserHandle.CURRENT)) {
5511                mScreenshotConnection = conn;
5512                mHandler.postDelayed(mScreenshotTimeout, 10000);
5513            }
5514        }
5515    }
5516
5517    /**
5518     * Notifies the screenshot service to show an error.
5519     */
5520    private void notifyScreenshotError() {
5521        // If the service process is killed, then ask it to clean up after itself
5522        final ComponentName errorComponent = new ComponentName(SYSUI_PACKAGE,
5523                SYSUI_SCREENSHOT_ERROR_RECEIVER);
5524        Intent errorIntent = new Intent(Intent.ACTION_USER_PRESENT);
5525        errorIntent.setComponent(errorComponent);
5526        errorIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT |
5527                Intent.FLAG_RECEIVER_FOREGROUND);
5528        mContext.sendBroadcastAsUser(errorIntent, UserHandle.CURRENT);
5529    }
5530
5531    /** {@inheritDoc} */
5532    @Override
5533    public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) {
5534        if (!mSystemBooted) {
5535            // If we have not yet booted, don't let key events do anything.
5536            return 0;
5537        }
5538
5539        final boolean interactive = (policyFlags & FLAG_INTERACTIVE) != 0;
5540        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
5541        final boolean canceled = event.isCanceled();
5542        final int keyCode = event.getKeyCode();
5543
5544        final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;
5545
5546        // If screen is off then we treat the case where the keyguard is open but hidden
5547        // the same as if it were open and in front.
5548        // This will prevent any keys other than the power button from waking the screen
5549        // when the keyguard is hidden by another activity.
5550        final boolean keyguardActive = (mKeyguardDelegate == null ? false :
5551                                            (interactive ?
5552                                                isKeyguardShowingAndNotOccluded() :
5553                                                mKeyguardDelegate.isShowing()));
5554
5555        if (DEBUG_INPUT) {
5556            Log.d(TAG, "interceptKeyTq keycode=" + keyCode
5557                    + " interactive=" + interactive + " keyguardActive=" + keyguardActive
5558                    + " policyFlags=" + Integer.toHexString(policyFlags));
5559        }
5560
5561        // Basic policy based on interactive state.
5562        int result;
5563        boolean isWakeKey = (policyFlags & WindowManagerPolicy.FLAG_WAKE) != 0
5564                || event.isWakeKey();
5565        if (interactive || (isInjected && !isWakeKey)) {
5566            // When the device is interactive or the key is injected pass the
5567            // key to the application.
5568            result = ACTION_PASS_TO_USER;
5569            isWakeKey = false;
5570
5571            if (interactive) {
5572                // If the screen is awake, but the button pressed was the one that woke the device
5573                // then don't pass it to the application
5574                if (keyCode == mPendingWakeKey && !down) {
5575                    result = 0;
5576                }
5577                // Reset the pending key
5578                mPendingWakeKey = PENDING_KEY_NULL;
5579            }
5580        } else if (!interactive && shouldDispatchInputWhenNonInteractive(event)) {
5581            // If we're currently dozing with the screen on and the keyguard showing, pass the key
5582            // to the application but preserve its wake key status to make sure we still move
5583            // from dozing to fully interactive if we would normally go from off to fully
5584            // interactive.
5585            result = ACTION_PASS_TO_USER;
5586            // Since we're dispatching the input, reset the pending key
5587            mPendingWakeKey = PENDING_KEY_NULL;
5588        } else {
5589            // When the screen is off and the key is not injected, determine whether
5590            // to wake the device but don't pass the key to the application.
5591            result = 0;
5592            if (isWakeKey && (!down || !isWakeKeyWhenScreenOff(keyCode))) {
5593                isWakeKey = false;
5594            }
5595            // Cache the wake key on down event so we can also avoid sending the up event to the app
5596            if (isWakeKey && down) {
5597                mPendingWakeKey = keyCode;
5598            }
5599        }
5600
5601        // If the key would be handled globally, just return the result, don't worry about special
5602        // key processing.
5603        if (isValidGlobalKey(keyCode)
5604                && mGlobalKeyManager.shouldHandleGlobalKey(keyCode, event)) {
5605            if (isWakeKey) {
5606                wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5607            }
5608            return result;
5609        }
5610
5611        boolean useHapticFeedback = down
5612                && (policyFlags & WindowManagerPolicy.FLAG_VIRTUAL) != 0
5613                && event.getRepeatCount() == 0;
5614
5615        // Handle special keys.
5616        switch (keyCode) {
5617            case KeyEvent.KEYCODE_BACK: {
5618                if (down) {
5619                    mBackKeyHandled = false;
5620                    if (hasLongPressOnBackBehavior()) {
5621                        Message msg = mHandler.obtainMessage(MSG_BACK_LONG_PRESS);
5622                        msg.setAsynchronous(true);
5623                        mHandler.sendMessageDelayed(msg,
5624                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
5625                    }
5626                } else {
5627                    boolean handled = mBackKeyHandled;
5628
5629                    // Reset back key state
5630                    cancelPendingBackKeyAction();
5631
5632                    // Don't pass back press to app if we've already handled it
5633                    if (handled) {
5634                        result &= ~ACTION_PASS_TO_USER;
5635                    }
5636                }
5637                break;
5638            }
5639
5640            case KeyEvent.KEYCODE_VOLUME_DOWN:
5641            case KeyEvent.KEYCODE_VOLUME_UP:
5642            case KeyEvent.KEYCODE_VOLUME_MUTE: {
5643                if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
5644                    if (down) {
5645                        if (interactive && !mScreenshotChordVolumeDownKeyTriggered
5646                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5647                            mScreenshotChordVolumeDownKeyTriggered = true;
5648                            mScreenshotChordVolumeDownKeyTime = event.getDownTime();
5649                            mScreenshotChordVolumeDownKeyConsumed = false;
5650                            cancelPendingPowerKeyAction();
5651                            interceptScreenshotChord();
5652                        }
5653                    } else {
5654                        mScreenshotChordVolumeDownKeyTriggered = false;
5655                        cancelPendingScreenshotChordAction();
5656                    }
5657                } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
5658                    if (down) {
5659                        if (interactive && !mScreenshotChordVolumeUpKeyTriggered
5660                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5661                            mScreenshotChordVolumeUpKeyTriggered = true;
5662                            cancelPendingPowerKeyAction();
5663                            cancelPendingScreenshotChordAction();
5664                        }
5665                    } else {
5666                        mScreenshotChordVolumeUpKeyTriggered = false;
5667                        cancelPendingScreenshotChordAction();
5668                    }
5669                }
5670                if (down) {
5671                    TelecomManager telecomManager = getTelecommService();
5672                    if (telecomManager != null) {
5673                        if (telecomManager.isRinging()) {
5674                            // If an incoming call is ringing, either VOLUME key means
5675                            // "silence ringer".  We handle these keys here, rather than
5676                            // in the InCallScreen, to make sure we'll respond to them
5677                            // even if the InCallScreen hasn't come to the foreground yet.
5678                            // Look for the DOWN event here, to agree with the "fallback"
5679                            // behavior in the InCallScreen.
5680                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5681                                  + " VOLUME key-down while ringing: Silence ringer!");
5682
5683                            // Silence the ringer.  (It's safe to call this
5684                            // even if the ringer has already been silenced.)
5685                            telecomManager.silenceRinger();
5686
5687                            // And *don't* pass this key thru to the current activity
5688                            // (which is probably the InCallScreen.)
5689                            result &= ~ACTION_PASS_TO_USER;
5690                            break;
5691                        }
5692                        if (telecomManager.isInCall()
5693                                && (result & ACTION_PASS_TO_USER) == 0) {
5694                            // If we are in call but we decided not to pass the key to
5695                            // the application, just pass it to the session service.
5696
5697                            MediaSessionLegacyHelper.getHelper(mContext)
5698                                    .sendVolumeKeyEvent(event, false);
5699                            break;
5700                        }
5701                    }
5702                }
5703                if (mUseTvRouting) {
5704                    // On TVs, defer special key handlings to
5705                    // {@link interceptKeyBeforeDispatching()}.
5706                    result |= ACTION_PASS_TO_USER;
5707                } else if ((result & ACTION_PASS_TO_USER) == 0) {
5708                    // If we aren't passing to the user and no one else
5709                    // handled it send it to the session manager to
5710                    // figure out.
5711                    MediaSessionLegacyHelper.getHelper(mContext)
5712                            .sendVolumeKeyEvent(event, true);
5713                }
5714                break;
5715            }
5716
5717            case KeyEvent.KEYCODE_ENDCALL: {
5718                result &= ~ACTION_PASS_TO_USER;
5719                if (down) {
5720                    TelecomManager telecomManager = getTelecommService();
5721                    boolean hungUp = false;
5722                    if (telecomManager != null) {
5723                        hungUp = telecomManager.endCall();
5724                    }
5725                    if (interactive && !hungUp) {
5726                        mEndCallKeyHandled = false;
5727                        mHandler.postDelayed(mEndCallLongPress,
5728                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
5729                    } else {
5730                        mEndCallKeyHandled = true;
5731                    }
5732                } else {
5733                    if (!mEndCallKeyHandled) {
5734                        mHandler.removeCallbacks(mEndCallLongPress);
5735                        if (!canceled) {
5736                            if ((mEndcallBehavior
5737                                    & Settings.System.END_BUTTON_BEHAVIOR_HOME) != 0) {
5738                                if (goHome()) {
5739                                    break;
5740                                }
5741                            }
5742                            if ((mEndcallBehavior
5743                                    & Settings.System.END_BUTTON_BEHAVIOR_SLEEP) != 0) {
5744                                mPowerManager.goToSleep(event.getEventTime(),
5745                                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
5746                                isWakeKey = false;
5747                            }
5748                        }
5749                    }
5750                }
5751                break;
5752            }
5753
5754            case KeyEvent.KEYCODE_POWER: {
5755                result &= ~ACTION_PASS_TO_USER;
5756                isWakeKey = false; // wake-up will be handled separately
5757                if (down) {
5758                    interceptPowerKeyDown(event, interactive);
5759                } else {
5760                    interceptPowerKeyUp(event, interactive, canceled);
5761                }
5762                break;
5763            }
5764
5765            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_DOWN:
5766                // fall through
5767            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_UP:
5768                // fall through
5769            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_LEFT:
5770                // fall through
5771            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_RIGHT: {
5772                result &= ~ACTION_PASS_TO_USER;
5773                interceptSystemNavigationKey(event);
5774                break;
5775            }
5776
5777            case KeyEvent.KEYCODE_SLEEP: {
5778                result &= ~ACTION_PASS_TO_USER;
5779                isWakeKey = false;
5780                if (!mPowerManager.isInteractive()) {
5781                    useHapticFeedback = false; // suppress feedback if already non-interactive
5782                }
5783                if (down) {
5784                    sleepPress(event.getEventTime());
5785                } else {
5786                    sleepRelease(event.getEventTime());
5787                }
5788                break;
5789            }
5790
5791            case KeyEvent.KEYCODE_SOFT_SLEEP: {
5792                result &= ~ACTION_PASS_TO_USER;
5793                isWakeKey = false;
5794                if (!down) {
5795                    mPowerManagerInternal.setUserInactiveOverrideFromWindowManager();
5796                }
5797                break;
5798            }
5799
5800            case KeyEvent.KEYCODE_WAKEUP: {
5801                result &= ~ACTION_PASS_TO_USER;
5802                isWakeKey = true;
5803                break;
5804            }
5805
5806            case KeyEvent.KEYCODE_MEDIA_PLAY:
5807            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5808            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5809            case KeyEvent.KEYCODE_HEADSETHOOK:
5810            case KeyEvent.KEYCODE_MUTE:
5811            case KeyEvent.KEYCODE_MEDIA_STOP:
5812            case KeyEvent.KEYCODE_MEDIA_NEXT:
5813            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5814            case KeyEvent.KEYCODE_MEDIA_REWIND:
5815            case KeyEvent.KEYCODE_MEDIA_RECORD:
5816            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5817            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: {
5818                if (MediaSessionLegacyHelper.getHelper(mContext).isGlobalPriorityActive()) {
5819                    // If the global session is active pass all media keys to it
5820                    // instead of the active window.
5821                    result &= ~ACTION_PASS_TO_USER;
5822                }
5823                if ((result & ACTION_PASS_TO_USER) == 0) {
5824                    // Only do this if we would otherwise not pass it to the user. In that
5825                    // case, the PhoneWindow class will do the same thing, except it will
5826                    // only do it if the showing app doesn't process the key on its own.
5827                    // Note that we need to make a copy of the key event here because the
5828                    // original key event will be recycled when we return.
5829                    mBroadcastWakeLock.acquire();
5830                    Message msg = mHandler.obtainMessage(MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK,
5831                            new KeyEvent(event));
5832                    msg.setAsynchronous(true);
5833                    msg.sendToTarget();
5834                }
5835                break;
5836            }
5837
5838            case KeyEvent.KEYCODE_CALL: {
5839                if (down) {
5840                    TelecomManager telecomManager = getTelecommService();
5841                    if (telecomManager != null) {
5842                        if (telecomManager.isRinging()) {
5843                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5844                                  + " CALL key-down while ringing: Answer the call!");
5845                            telecomManager.acceptRingingCall();
5846
5847                            // And *don't* pass this key thru to the current activity
5848                            // (which is presumably the InCallScreen.)
5849                            result &= ~ACTION_PASS_TO_USER;
5850                        }
5851                    }
5852                }
5853                break;
5854            }
5855            case KeyEvent.KEYCODE_VOICE_ASSIST: {
5856                // Only do this if we would otherwise not pass it to the user. In that case,
5857                // interceptKeyBeforeDispatching would apply a similar but different policy in
5858                // order to invoke voice assist actions. Note that we need to make a copy of the
5859                // key event here because the original key event will be recycled when we return.
5860                if ((result & ACTION_PASS_TO_USER) == 0 && !down) {
5861                    mBroadcastWakeLock.acquire();
5862                    Message msg = mHandler.obtainMessage(MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK,
5863                            keyguardActive ? 1 : 0, 0);
5864                    msg.setAsynchronous(true);
5865                    msg.sendToTarget();
5866                }
5867                break;
5868            }
5869            case KeyEvent.KEYCODE_WINDOW: {
5870                if (mShortPressWindowBehavior == SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE) {
5871                    if (mTvPictureInPictureVisible) {
5872                        // Consumes the key only if picture-in-picture is visible
5873                        // to show picture-in-picture control menu.
5874                        // This gives a chance to the foreground activity
5875                        // to customize PIP key behavior.
5876                        if (!down) {
5877                            showTvPictureInPictureMenu(event);
5878                        }
5879                        result &= ~ACTION_PASS_TO_USER;
5880                    }
5881                }
5882                break;
5883            }
5884        }
5885
5886        if (useHapticFeedback) {
5887            performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
5888        }
5889
5890        if (isWakeKey) {
5891            wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5892        }
5893
5894        return result;
5895    }
5896
5897    /**
5898     * Handle statusbar expansion events.
5899     * @param event
5900     */
5901    private void interceptSystemNavigationKey(KeyEvent event) {
5902        if (event.getAction() == KeyEvent.ACTION_UP && areSystemNavigationKeysEnabled()) {
5903            IStatusBarService sbar = getStatusBarService();
5904            if (sbar != null) {
5905                try {
5906                    sbar.handleSystemNavigationKey(event.getKeyCode());
5907                } catch (RemoteException e1) {
5908                    // oops, no statusbar. Ignore event.
5909                }
5910            }
5911        }
5912    }
5913
5914    /**
5915     * Returns true if the key can have global actions attached to it.
5916     * We reserve all power management keys for the system since they require
5917     * very careful handling.
5918     */
5919    private static boolean isValidGlobalKey(int keyCode) {
5920        switch (keyCode) {
5921            case KeyEvent.KEYCODE_POWER:
5922            case KeyEvent.KEYCODE_WAKEUP:
5923            case KeyEvent.KEYCODE_SLEEP:
5924                return false;
5925            default:
5926                return true;
5927        }
5928    }
5929
5930    /**
5931     * When the screen is off we ignore some keys that might otherwise typically
5932     * be considered wake keys.  We filter them out here.
5933     *
5934     * {@link KeyEvent#KEYCODE_POWER} is notably absent from this list because it
5935     * is always considered a wake key.
5936     */
5937    private boolean isWakeKeyWhenScreenOff(int keyCode) {
5938        switch (keyCode) {
5939            // ignore volume keys unless docked
5940            case KeyEvent.KEYCODE_VOLUME_UP:
5941            case KeyEvent.KEYCODE_VOLUME_DOWN:
5942            case KeyEvent.KEYCODE_VOLUME_MUTE:
5943                return mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;
5944
5945            // ignore media and camera keys
5946            case KeyEvent.KEYCODE_MUTE:
5947            case KeyEvent.KEYCODE_HEADSETHOOK:
5948            case KeyEvent.KEYCODE_MEDIA_PLAY:
5949            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5950            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5951            case KeyEvent.KEYCODE_MEDIA_STOP:
5952            case KeyEvent.KEYCODE_MEDIA_NEXT:
5953            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5954            case KeyEvent.KEYCODE_MEDIA_REWIND:
5955            case KeyEvent.KEYCODE_MEDIA_RECORD:
5956            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5957            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK:
5958            case KeyEvent.KEYCODE_CAMERA:
5959                return false;
5960        }
5961        return true;
5962    }
5963
5964
5965    /** {@inheritDoc} */
5966    @Override
5967    public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) {
5968        if ((policyFlags & FLAG_WAKE) != 0) {
5969            if (wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotion,
5970                    "android.policy:MOTION")) {
5971                return 0;
5972            }
5973        }
5974
5975        if (shouldDispatchInputWhenNonInteractive(null)) {
5976            return ACTION_PASS_TO_USER;
5977        }
5978
5979        // If we have not passed the action up and we are in theater mode without dreaming,
5980        // there will be no dream to intercept the touch and wake into ambient.  The device should
5981        // wake up in this case.
5982        if (isTheaterModeEnabled() && (policyFlags & FLAG_WAKE) != 0) {
5983            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotionWhenNotDreaming,
5984                    "android.policy:MOTION");
5985        }
5986
5987        return 0;
5988    }
5989
5990    private boolean shouldDispatchInputWhenNonInteractive(KeyEvent event) {
5991        final boolean displayOff = (mDisplay == null || mDisplay.getState() == Display.STATE_OFF);
5992
5993        if (displayOff && !mHasFeatureWatch) {
5994            return false;
5995        }
5996
5997        // Send events to keyguard while the screen is on and it's showing.
5998        if (isKeyguardShowingAndNotOccluded() && !displayOff) {
5999            return true;
6000        }
6001
6002        // Watches handle BACK specially
6003        if (mHasFeatureWatch
6004                && event != null
6005                && (event.getKeyCode() == KeyEvent.KEYCODE_BACK
6006                        || event.getKeyCode() == KeyEvent.KEYCODE_STEM_PRIMARY)) {
6007            return false;
6008        }
6009
6010        // Send events to a dozing dream even if the screen is off since the dream
6011        // is in control of the state of the screen.
6012        IDreamManager dreamManager = getDreamManager();
6013
6014        try {
6015            if (dreamManager != null && dreamManager.isDreaming()) {
6016                return true;
6017            }
6018        } catch (RemoteException e) {
6019            Slog.e(TAG, "RemoteException when checking if dreaming", e);
6020        }
6021
6022        // Otherwise, consume events since the user can't see what is being
6023        // interacted with.
6024        return false;
6025    }
6026
6027    private void dispatchDirectAudioEvent(KeyEvent event) {
6028        if (event.getAction() != KeyEvent.ACTION_DOWN) {
6029            return;
6030        }
6031        int keyCode = event.getKeyCode();
6032        int flags = AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_PLAY_SOUND
6033                | AudioManager.FLAG_FROM_KEY;
6034        String pkgName = mContext.getOpPackageName();
6035        switch (keyCode) {
6036            case KeyEvent.KEYCODE_VOLUME_UP:
6037                try {
6038                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_RAISE,
6039                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6040                } catch (RemoteException e) {
6041                    Log.e(TAG, "Error dispatching volume up in dispatchTvAudioEvent.", e);
6042                }
6043                break;
6044            case KeyEvent.KEYCODE_VOLUME_DOWN:
6045                try {
6046                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_LOWER,
6047                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6048                } catch (RemoteException e) {
6049                    Log.e(TAG, "Error dispatching volume down in dispatchTvAudioEvent.", e);
6050                }
6051                break;
6052            case KeyEvent.KEYCODE_VOLUME_MUTE:
6053                try {
6054                    if (event.getRepeatCount() == 0) {
6055                        getAudioService().adjustSuggestedStreamVolume(
6056                                AudioManager.ADJUST_TOGGLE_MUTE,
6057                                AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6058                    }
6059                } catch (RemoteException e) {
6060                    Log.e(TAG, "Error dispatching mute in dispatchTvAudioEvent.", e);
6061                }
6062                break;
6063        }
6064    }
6065
6066    void dispatchMediaKeyWithWakeLock(KeyEvent event) {
6067        if (DEBUG_INPUT) {
6068            Slog.d(TAG, "dispatchMediaKeyWithWakeLock: " + event);
6069        }
6070
6071        if (mHavePendingMediaKeyRepeatWithWakeLock) {
6072            if (DEBUG_INPUT) {
6073                Slog.d(TAG, "dispatchMediaKeyWithWakeLock: canceled repeat");
6074            }
6075
6076            mHandler.removeMessages(MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK);
6077            mHavePendingMediaKeyRepeatWithWakeLock = false;
6078            mBroadcastWakeLock.release(); // pending repeat was holding onto the wake lock
6079        }
6080
6081        dispatchMediaKeyWithWakeLockToAudioService(event);
6082
6083        if (event.getAction() == KeyEvent.ACTION_DOWN
6084                && event.getRepeatCount() == 0) {
6085            mHavePendingMediaKeyRepeatWithWakeLock = true;
6086
6087            Message msg = mHandler.obtainMessage(
6088                    MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK, event);
6089            msg.setAsynchronous(true);
6090            mHandler.sendMessageDelayed(msg, ViewConfiguration.getKeyRepeatTimeout());
6091        } else {
6092            mBroadcastWakeLock.release();
6093        }
6094    }
6095
6096    void dispatchMediaKeyRepeatWithWakeLock(KeyEvent event) {
6097        mHavePendingMediaKeyRepeatWithWakeLock = false;
6098
6099        KeyEvent repeatEvent = KeyEvent.changeTimeRepeat(event,
6100                SystemClock.uptimeMillis(), 1, event.getFlags() | KeyEvent.FLAG_LONG_PRESS);
6101        if (DEBUG_INPUT) {
6102            Slog.d(TAG, "dispatchMediaKeyRepeatWithWakeLock: " + repeatEvent);
6103        }
6104
6105        dispatchMediaKeyWithWakeLockToAudioService(repeatEvent);
6106        mBroadcastWakeLock.release();
6107    }
6108
6109    void dispatchMediaKeyWithWakeLockToAudioService(KeyEvent event) {
6110        if (ActivityManagerNative.isSystemReady()) {
6111            MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(event, true);
6112        }
6113    }
6114
6115    void launchVoiceAssistWithWakeLock(boolean keyguardActive) {
6116        IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
6117                ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
6118        if (dic != null) {
6119            try {
6120                dic.exitIdle("voice-search");
6121            } catch (RemoteException e) {
6122            }
6123        }
6124        Intent voiceIntent =
6125            new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
6126        voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, keyguardActive);
6127        startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
6128        mBroadcastWakeLock.release();
6129    }
6130
6131    BroadcastReceiver mDockReceiver = new BroadcastReceiver() {
6132        @Override
6133        public void onReceive(Context context, Intent intent) {
6134            if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
6135                mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
6136                        Intent.EXTRA_DOCK_STATE_UNDOCKED);
6137            } else {
6138                try {
6139                    IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
6140                            ServiceManager.getService(Context.UI_MODE_SERVICE));
6141                    mUiMode = uiModeService.getCurrentModeType();
6142                } catch (RemoteException e) {
6143                }
6144            }
6145            updateRotation(true);
6146            synchronized (mLock) {
6147                updateOrientationListenerLp();
6148            }
6149        }
6150    };
6151
6152    BroadcastReceiver mDreamReceiver = new BroadcastReceiver() {
6153        @Override
6154        public void onReceive(Context context, Intent intent) {
6155            if (Intent.ACTION_DREAMING_STARTED.equals(intent.getAction())) {
6156                if (mKeyguardDelegate != null) {
6157                    mKeyguardDelegate.onDreamingStarted();
6158                }
6159            } else if (Intent.ACTION_DREAMING_STOPPED.equals(intent.getAction())) {
6160                if (mKeyguardDelegate != null) {
6161                    mKeyguardDelegate.onDreamingStopped();
6162                }
6163            }
6164        }
6165    };
6166
6167    BroadcastReceiver mMultiuserReceiver = new BroadcastReceiver() {
6168        @Override
6169        public void onReceive(Context context, Intent intent) {
6170            if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) {
6171                // tickle the settings observer: this first ensures that we're
6172                // observing the relevant settings for the newly-active user,
6173                // and then updates our own bookkeeping based on the now-
6174                // current user.
6175                mSettingsObserver.onChange(false);
6176
6177                // force a re-application of focused window sysui visibility.
6178                // the window may never have been shown for this user
6179                // e.g. the keyguard when going through the new-user setup flow
6180                synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6181                    mLastSystemUiFlags = 0;
6182                    updateSystemUiVisibilityLw();
6183                }
6184            }
6185        }
6186    };
6187
6188    private final Runnable mHiddenNavPanic = new Runnable() {
6189        @Override
6190        public void run() {
6191            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6192                if (!isUserSetupComplete()) {
6193                    // Swipe-up for navigation bar is disabled during setup
6194                    return;
6195                }
6196                mPendingPanicGestureUptime = SystemClock.uptimeMillis();
6197                mNavigationBarController.showTransient();
6198            }
6199        }
6200    };
6201
6202    private void requestTransientBars(WindowState swipeTarget) {
6203        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6204            if (!isUserSetupComplete()) {
6205                // Swipe-up for navigation bar is disabled during setup
6206                return;
6207            }
6208            boolean sb = mStatusBarController.checkShowTransientBarLw();
6209            boolean nb = mNavigationBarController.checkShowTransientBarLw();
6210            if (sb || nb) {
6211                // Don't show status bar when swiping on already visible navigation bar
6212                if (!nb && swipeTarget == mNavigationBar) {
6213                    if (DEBUG) Slog.d(TAG, "Not showing transient bar, wrong swipe target");
6214                    return;
6215                }
6216                if (sb) mStatusBarController.showTransient();
6217                if (nb) mNavigationBarController.showTransient();
6218                mImmersiveModeConfirmation.confirmCurrentPrompt();
6219                updateSystemUiVisibilityLw();
6220            }
6221        }
6222    }
6223
6224    // Called on the PowerManager's Notifier thread.
6225    @Override
6226    public void startedGoingToSleep(int why) {
6227        if (DEBUG_WAKEUP) Slog.i(TAG, "Started going to sleep... (why=" + why + ")");
6228        mCameraGestureTriggeredDuringGoingToSleep = false;
6229        mGoingToSleep = true;
6230        if (mKeyguardDelegate != null) {
6231            mKeyguardDelegate.onStartedGoingToSleep(why);
6232        }
6233    }
6234
6235    // Called on the PowerManager's Notifier thread.
6236    @Override
6237    public void finishedGoingToSleep(int why) {
6238        EventLog.writeEvent(70000, 0);
6239        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished going to sleep... (why=" + why + ")");
6240        MetricsLogger.histogram(mContext, "screen_timeout", mLockScreenTimeout / 1000);
6241
6242        mGoingToSleep = false;
6243
6244        // We must get this work done here because the power manager will drop
6245        // the wake lock and let the system suspend once this function returns.
6246        synchronized (mLock) {
6247            mAwake = false;
6248            updateWakeGestureListenerLp();
6249            updateOrientationListenerLp();
6250            updateLockScreenTimeout();
6251        }
6252        if (mKeyguardDelegate != null) {
6253            mKeyguardDelegate.onFinishedGoingToSleep(why,
6254                    mCameraGestureTriggeredDuringGoingToSleep);
6255        }
6256        mCameraGestureTriggeredDuringGoingToSleep = false;
6257    }
6258
6259    // Called on the PowerManager's Notifier thread.
6260    @Override
6261    public void startedWakingUp() {
6262        EventLog.writeEvent(70000, 1);
6263        if (DEBUG_WAKEUP) Slog.i(TAG, "Started waking up...");
6264
6265        // Since goToSleep performs these functions synchronously, we must
6266        // do the same here.  We cannot post this work to a handler because
6267        // that might cause it to become reordered with respect to what
6268        // may happen in a future call to goToSleep.
6269        synchronized (mLock) {
6270            mAwake = true;
6271
6272            updateWakeGestureListenerLp();
6273            updateOrientationListenerLp();
6274            updateLockScreenTimeout();
6275        }
6276
6277        if (mKeyguardDelegate != null) {
6278            mKeyguardDelegate.onStartedWakingUp();
6279        }
6280    }
6281
6282    // Called on the PowerManager's Notifier thread.
6283    @Override
6284    public void finishedWakingUp() {
6285        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished waking up...");
6286    }
6287
6288    private void wakeUpFromPowerKey(long eventTime) {
6289        wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey, "android.policy:POWER");
6290    }
6291
6292    private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode, String reason) {
6293        final boolean theaterModeEnabled = isTheaterModeEnabled();
6294        if (!wakeInTheaterMode && theaterModeEnabled) {
6295            return false;
6296        }
6297
6298        if (theaterModeEnabled) {
6299            Settings.Global.putInt(mContext.getContentResolver(),
6300                    Settings.Global.THEATER_MODE_ON, 0);
6301        }
6302
6303        mPowerManager.wakeUp(wakeTime, reason);
6304        return true;
6305    }
6306
6307    private void finishKeyguardDrawn() {
6308        synchronized (mLock) {
6309            if (!mScreenOnEarly || mKeyguardDrawComplete) {
6310                return; // We are not awake yet or we have already informed of this event.
6311            }
6312
6313            mKeyguardDrawComplete = true;
6314            if (mKeyguardDelegate != null) {
6315                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
6316            }
6317            mWindowManagerDrawComplete = false;
6318        }
6319
6320        // ... eventually calls finishWindowsDrawn which will finalize our screen turn on
6321        // as well as enabling the orientation change logic/sensor.
6322        mWindowManagerInternal.waitForAllWindowsDrawn(mWindowManagerDrawCallback,
6323                WAITING_FOR_DRAWN_TIMEOUT);
6324    }
6325
6326    // Called on the DisplayManager's DisplayPowerController thread.
6327    @Override
6328    public void screenTurnedOff() {
6329        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turned off...");
6330
6331        updateScreenOffSleepToken(true);
6332        synchronized (mLock) {
6333            mScreenOnEarly = false;
6334            mScreenOnFully = false;
6335            mKeyguardDrawComplete = false;
6336            mWindowManagerDrawComplete = false;
6337            mScreenOnListener = null;
6338            updateOrientationListenerLp();
6339
6340            if (mKeyguardDelegate != null) {
6341                mKeyguardDelegate.onScreenTurnedOff();
6342            }
6343        }
6344    }
6345
6346    // Called on the DisplayManager's DisplayPowerController thread.
6347    @Override
6348    public void screenTurningOn(final ScreenOnListener screenOnListener) {
6349        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turning on...");
6350
6351        updateScreenOffSleepToken(false);
6352        synchronized (mLock) {
6353            mScreenOnEarly = true;
6354            mScreenOnFully = false;
6355            mKeyguardDrawComplete = false;
6356            mWindowManagerDrawComplete = false;
6357            mScreenOnListener = screenOnListener;
6358
6359            if (mKeyguardDelegate != null) {
6360                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
6361                mHandler.sendEmptyMessageDelayed(MSG_KEYGUARD_DRAWN_TIMEOUT, 1000);
6362                mKeyguardDelegate.onScreenTurningOn(mKeyguardDrawnCallback);
6363            } else {
6364                if (DEBUG_WAKEUP) Slog.d(TAG,
6365                        "null mKeyguardDelegate: setting mKeyguardDrawComplete.");
6366                finishKeyguardDrawn();
6367            }
6368        }
6369    }
6370
6371    // Called on the DisplayManager's DisplayPowerController thread.
6372    @Override
6373    public void screenTurnedOn() {
6374        synchronized (mLock) {
6375            if (mKeyguardDelegate != null) {
6376                mKeyguardDelegate.onScreenTurnedOn();
6377            }
6378        }
6379    }
6380
6381    private void finishWindowsDrawn() {
6382        synchronized (mLock) {
6383            if (!mScreenOnEarly || mWindowManagerDrawComplete) {
6384                return; // Screen is not turned on or we did already handle this case earlier.
6385            }
6386
6387            mWindowManagerDrawComplete = true;
6388        }
6389
6390        finishScreenTurningOn();
6391    }
6392
6393    private void finishScreenTurningOn() {
6394        synchronized (mLock) {
6395            // We have just finished drawing screen content. Since the orientation listener
6396            // gets only installed when all windows are drawn, we try to install it again.
6397            updateOrientationListenerLp();
6398        }
6399        final ScreenOnListener listener;
6400        final boolean enableScreen;
6401        synchronized (mLock) {
6402            if (DEBUG_WAKEUP) Slog.d(TAG,
6403                    "finishScreenTurningOn: mAwake=" + mAwake
6404                            + ", mScreenOnEarly=" + mScreenOnEarly
6405                            + ", mScreenOnFully=" + mScreenOnFully
6406                            + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
6407                            + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
6408
6409            if (mScreenOnFully || !mScreenOnEarly || !mWindowManagerDrawComplete
6410                    || (mAwake && !mKeyguardDrawComplete)) {
6411                return; // spurious or not ready yet
6412            }
6413
6414            if (DEBUG_WAKEUP) Slog.i(TAG, "Finished screen turning on...");
6415            listener = mScreenOnListener;
6416            mScreenOnListener = null;
6417            mScreenOnFully = true;
6418
6419            // Remember the first time we draw the keyguard so we know when we're done with
6420            // the main part of booting and can enable the screen and hide boot messages.
6421            if (!mKeyguardDrawnOnce && mAwake) {
6422                mKeyguardDrawnOnce = true;
6423                enableScreen = true;
6424                if (mBootMessageNeedsHiding) {
6425                    mBootMessageNeedsHiding = false;
6426                    hideBootMessages();
6427                }
6428            } else {
6429                enableScreen = false;
6430            }
6431        }
6432
6433        if (listener != null) {
6434            listener.onScreenOn();
6435        }
6436
6437        if (enableScreen) {
6438            try {
6439                mWindowManager.enableScreenIfNeeded();
6440            } catch (RemoteException unhandled) {
6441            }
6442        }
6443    }
6444
6445    private void handleHideBootMessage() {
6446        synchronized (mLock) {
6447            if (!mKeyguardDrawnOnce) {
6448                mBootMessageNeedsHiding = true;
6449                return; // keyguard hasn't drawn the first time yet, not done booting
6450            }
6451        }
6452
6453        if (mBootMsgDialog != null) {
6454            if (DEBUG_WAKEUP) Slog.d(TAG, "handleHideBootMessage: dismissing");
6455            mBootMsgDialog.dismiss();
6456            mBootMsgDialog = null;
6457        }
6458    }
6459
6460    @Override
6461    public boolean isScreenOn() {
6462        return mScreenOnFully;
6463    }
6464
6465    /** {@inheritDoc} */
6466    @Override
6467    public void enableKeyguard(boolean enabled) {
6468        if (mKeyguardDelegate != null) {
6469            mKeyguardDelegate.setKeyguardEnabled(enabled);
6470        }
6471    }
6472
6473    /** {@inheritDoc} */
6474    @Override
6475    public void exitKeyguardSecurely(OnKeyguardExitResult callback) {
6476        if (mKeyguardDelegate != null) {
6477            mKeyguardDelegate.verifyUnlock(callback);
6478        }
6479    }
6480
6481    @Override
6482    public boolean isKeyguardShowingAndNotOccluded() {
6483        if (mKeyguardDelegate == null) return false;
6484        return mKeyguardDelegate.isShowing() && !mKeyguardOccluded;
6485    }
6486
6487    /** {@inheritDoc} */
6488    @Override
6489    public boolean isKeyguardLocked() {
6490        return keyguardOn();
6491    }
6492
6493    /** {@inheritDoc} */
6494    @Override
6495    public boolean isKeyguardSecure(int userId) {
6496        if (mKeyguardDelegate == null) return false;
6497        return mKeyguardDelegate.isSecure(userId);
6498    }
6499
6500    /** {@inheritDoc} */
6501    @Override
6502    public boolean isKeyguardShowingOrOccluded() {
6503        return mKeyguardDelegate == null ? false : mKeyguardDelegate.isShowing();
6504    }
6505
6506    /** {@inheritDoc} */
6507    @Override
6508    public boolean inKeyguardRestrictedKeyInputMode() {
6509        if (mKeyguardDelegate == null) return false;
6510        return mKeyguardDelegate.isInputRestricted();
6511    }
6512
6513    @Override
6514    public void dismissKeyguardLw() {
6515        if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
6516            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.dismissKeyguardLw");
6517            mHandler.post(new Runnable() {
6518                @Override
6519                public void run() {
6520                    // ask the keyguard to prompt the user to authenticate if necessary
6521                    mKeyguardDelegate.dismiss();
6522                }
6523            });
6524        }
6525    }
6526
6527    @Override
6528    public void notifyActivityDrawnForKeyguardLw() {
6529        if (mKeyguardDelegate != null) {
6530            mHandler.post(new Runnable() {
6531                @Override
6532                public void run() {
6533                    mKeyguardDelegate.onActivityDrawn();
6534                }
6535            });
6536        }
6537    }
6538
6539    @Override
6540    public boolean isKeyguardDrawnLw() {
6541        synchronized (mLock) {
6542            return mKeyguardDrawnOnce;
6543        }
6544    }
6545
6546    @Override
6547    public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
6548        if (mKeyguardDelegate != null) {
6549            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.startKeyguardExitAnimation");
6550            mKeyguardDelegate.startKeyguardExitAnimation(startTime, fadeoutDuration);
6551        }
6552    }
6553
6554    @Override
6555    public void getStableInsetsLw(int displayRotation, int displayWidth, int displayHeight,
6556            Rect outInsets) {
6557        outInsets.setEmpty();
6558
6559        // Navigation bar and status bar.
6560        getNonDecorInsetsLw(displayRotation, displayWidth, displayHeight, outInsets);
6561        if (mStatusBar != null) {
6562            outInsets.top = mStatusBarHeight;
6563        }
6564    }
6565
6566    @Override
6567    public void getNonDecorInsetsLw(int displayRotation, int displayWidth, int displayHeight,
6568            Rect outInsets) {
6569        outInsets.setEmpty();
6570
6571        // Only navigation bar
6572        if (mNavigationBar != null) {
6573            int position = navigationBarPosition(displayWidth, displayHeight, displayRotation);
6574            if (position == NAV_BAR_BOTTOM) {
6575                outInsets.bottom = getNavigationBarHeight(displayRotation, mUiMode);
6576            } else if (position == NAV_BAR_RIGHT) {
6577                outInsets.right = getNavigationBarWidth(displayRotation, mUiMode);
6578            } else if (position == NAV_BAR_LEFT) {
6579                outInsets.left = getNavigationBarWidth(displayRotation, mUiMode);
6580            }
6581        }
6582    }
6583
6584    @Override
6585    public boolean isNavBarForcedShownLw(WindowState windowState) {
6586        return mForceShowSystemBars;
6587    }
6588
6589    @Override
6590    public boolean isDockSideAllowed(int dockSide) {
6591
6592        // We do not allow all dock sides at which the navigation bar touches the docked stack.
6593        if (!mNavigationBarCanMove) {
6594            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT || dockSide == DOCKED_RIGHT;
6595        } else {
6596            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT;
6597        }
6598    }
6599
6600    void sendCloseSystemWindows() {
6601        PhoneWindow.sendCloseSystemWindows(mContext, null);
6602    }
6603
6604    void sendCloseSystemWindows(String reason) {
6605        PhoneWindow.sendCloseSystemWindows(mContext, reason);
6606    }
6607
6608    @Override
6609    public int rotationForOrientationLw(int orientation, int lastRotation) {
6610        if (false) {
6611            Slog.v(TAG, "rotationForOrientationLw(orient="
6612                        + orientation + ", last=" + lastRotation
6613                        + "); user=" + mUserRotation + " "
6614                        + ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED)
6615                            ? "USER_ROTATION_LOCKED" : "")
6616                        );
6617        }
6618
6619        if (mForceDefaultOrientation) {
6620            return Surface.ROTATION_0;
6621        }
6622
6623        synchronized (mLock) {
6624            int sensorRotation = mOrientationListener.getProposedRotation(); // may be -1
6625            if (sensorRotation < 0) {
6626                sensorRotation = lastRotation;
6627            }
6628
6629            final int preferredRotation;
6630            if (mLidState == LID_OPEN && mLidOpenRotation >= 0) {
6631                // Ignore sensor when lid switch is open and rotation is forced.
6632                preferredRotation = mLidOpenRotation;
6633            } else if (mDockMode == Intent.EXTRA_DOCK_STATE_CAR
6634                    && (mCarDockEnablesAccelerometer || mCarDockRotation >= 0)) {
6635                // Ignore sensor when in car dock unless explicitly enabled.
6636                // This case can override the behavior of NOSENSOR, and can also
6637                // enable 180 degree rotation while docked.
6638                preferredRotation = mCarDockEnablesAccelerometer
6639                        ? sensorRotation : mCarDockRotation;
6640            } else if ((mDockMode == Intent.EXTRA_DOCK_STATE_DESK
6641                    || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
6642                    || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK)
6643                    && (mDeskDockEnablesAccelerometer || mDeskDockRotation >= 0)) {
6644                // Ignore sensor when in desk dock unless explicitly enabled.
6645                // This case can override the behavior of NOSENSOR, and can also
6646                // enable 180 degree rotation while docked.
6647                preferredRotation = mDeskDockEnablesAccelerometer
6648                        ? sensorRotation : mDeskDockRotation;
6649            } else if (mHdmiPlugged && mDemoHdmiRotationLock) {
6650                // Ignore sensor when plugged into HDMI when demo HDMI rotation lock enabled.
6651                // Note that the dock orientation overrides the HDMI orientation.
6652                preferredRotation = mDemoHdmiRotation;
6653            } else if (mHdmiPlugged && mDockMode == Intent.EXTRA_DOCK_STATE_UNDOCKED
6654                    && mUndockedHdmiRotation >= 0) {
6655                // Ignore sensor when plugged into HDMI and an undocked orientation has
6656                // been specified in the configuration (only for legacy devices without
6657                // full multi-display support).
6658                // Note that the dock orientation overrides the HDMI orientation.
6659                preferredRotation = mUndockedHdmiRotation;
6660            } else if (mDemoRotationLock) {
6661                // Ignore sensor when demo rotation lock is enabled.
6662                // Note that the dock orientation and HDMI rotation lock override this.
6663                preferredRotation = mDemoRotation;
6664            } else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {
6665                // Application just wants to remain locked in the last rotation.
6666                preferredRotation = lastRotation;
6667            } else if (!mSupportAutoRotation) {
6668                // If we don't support auto-rotation then bail out here and ignore
6669                // the sensor and any rotation lock settings.
6670                preferredRotation = -1;
6671            } else if ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE
6672                            && (orientation == ActivityInfo.SCREEN_ORIENTATION_USER
6673                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
6674                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
6675                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT
6676                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER))
6677                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
6678                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
6679                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE
6680                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) {
6681                // Otherwise, use sensor only if requested by the application or enabled
6682                // by default for USER or UNSPECIFIED modes.  Does not apply to NOSENSOR.
6683                if (mAllowAllRotations < 0) {
6684                    // Can't read this during init() because the context doesn't
6685                    // have display metrics at that time so we cannot determine
6686                    // tablet vs. phone then.
6687                    mAllowAllRotations = mContext.getResources().getBoolean(
6688                            com.android.internal.R.bool.config_allowAllRotations) ? 1 : 0;
6689                }
6690                if (sensorRotation != Surface.ROTATION_180
6691                        || mAllowAllRotations == 1
6692                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
6693                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER) {
6694                    preferredRotation = sensorRotation;
6695                } else {
6696                    preferredRotation = lastRotation;
6697                }
6698            } else if (mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED
6699                    && orientation != ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
6700                // Apply rotation lock.  Does not apply to NOSENSOR.
6701                // The idea is that the user rotation expresses a weak preference for the direction
6702                // of gravity and as NOSENSOR is never affected by gravity, then neither should
6703                // NOSENSOR be affected by rotation lock (although it will be affected by docks).
6704                preferredRotation = mUserRotation;
6705            } else {
6706                // No overriding preference.
6707                // We will do exactly what the application asked us to do.
6708                preferredRotation = -1;
6709            }
6710
6711            switch (orientation) {
6712                case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6713                    // Return portrait unless overridden.
6714                    if (isAnyPortrait(preferredRotation)) {
6715                        return preferredRotation;
6716                    }
6717                    return mPortraitRotation;
6718
6719                case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6720                    // Return landscape unless overridden.
6721                    if (isLandscapeOrSeascape(preferredRotation)) {
6722                        return preferredRotation;
6723                    }
6724                    return mLandscapeRotation;
6725
6726                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6727                    // Return reverse portrait unless overridden.
6728                    if (isAnyPortrait(preferredRotation)) {
6729                        return preferredRotation;
6730                    }
6731                    return mUpsideDownRotation;
6732
6733                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6734                    // Return seascape unless overridden.
6735                    if (isLandscapeOrSeascape(preferredRotation)) {
6736                        return preferredRotation;
6737                    }
6738                    return mSeascapeRotation;
6739
6740                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6741                case ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE:
6742                    // Return either landscape rotation.
6743                    if (isLandscapeOrSeascape(preferredRotation)) {
6744                        return preferredRotation;
6745                    }
6746                    if (isLandscapeOrSeascape(lastRotation)) {
6747                        return lastRotation;
6748                    }
6749                    return mLandscapeRotation;
6750
6751                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6752                case ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT:
6753                    // Return either portrait rotation.
6754                    if (isAnyPortrait(preferredRotation)) {
6755                        return preferredRotation;
6756                    }
6757                    if (isAnyPortrait(lastRotation)) {
6758                        return lastRotation;
6759                    }
6760                    return mPortraitRotation;
6761
6762                default:
6763                    // For USER, UNSPECIFIED, NOSENSOR, SENSOR and FULL_SENSOR,
6764                    // just return the preferred orientation we already calculated.
6765                    if (preferredRotation >= 0) {
6766                        return preferredRotation;
6767                    }
6768                    return Surface.ROTATION_0;
6769            }
6770        }
6771    }
6772
6773    @Override
6774    public boolean rotationHasCompatibleMetricsLw(int orientation, int rotation) {
6775        switch (orientation) {
6776            case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6777            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6778            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6779                return isAnyPortrait(rotation);
6780
6781            case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6782            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6783            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6784                return isLandscapeOrSeascape(rotation);
6785
6786            default:
6787                return true;
6788        }
6789    }
6790
6791    @Override
6792    public void setRotationLw(int rotation) {
6793        mOrientationListener.setCurrentRotation(rotation);
6794    }
6795
6796    private boolean isLandscapeOrSeascape(int rotation) {
6797        return rotation == mLandscapeRotation || rotation == mSeascapeRotation;
6798    }
6799
6800    private boolean isAnyPortrait(int rotation) {
6801        return rotation == mPortraitRotation || rotation == mUpsideDownRotation;
6802    }
6803
6804    @Override
6805    public int getUserRotationMode() {
6806        return Settings.System.getIntForUser(mContext.getContentResolver(),
6807                Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
6808                        WindowManagerPolicy.USER_ROTATION_FREE :
6809                                WindowManagerPolicy.USER_ROTATION_LOCKED;
6810    }
6811
6812    // User rotation: to be used when all else fails in assigning an orientation to the device
6813    @Override
6814    public void setUserRotationMode(int mode, int rot) {
6815        ContentResolver res = mContext.getContentResolver();
6816
6817        // mUserRotationMode and mUserRotation will be assigned by the content observer
6818        if (mode == WindowManagerPolicy.USER_ROTATION_LOCKED) {
6819            Settings.System.putIntForUser(res,
6820                    Settings.System.USER_ROTATION,
6821                    rot,
6822                    UserHandle.USER_CURRENT);
6823            Settings.System.putIntForUser(res,
6824                    Settings.System.ACCELEROMETER_ROTATION,
6825                    0,
6826                    UserHandle.USER_CURRENT);
6827        } else {
6828            Settings.System.putIntForUser(res,
6829                    Settings.System.ACCELEROMETER_ROTATION,
6830                    1,
6831                    UserHandle.USER_CURRENT);
6832        }
6833    }
6834
6835    @Override
6836    public void setSafeMode(boolean safeMode) {
6837        mSafeMode = safeMode;
6838        performHapticFeedbackLw(null, safeMode
6839                ? HapticFeedbackConstants.SAFE_MODE_ENABLED
6840                : HapticFeedbackConstants.SAFE_MODE_DISABLED, true);
6841    }
6842
6843    static long[] getLongIntArray(Resources r, int resid) {
6844        int[] ar = r.getIntArray(resid);
6845        if (ar == null) {
6846            return null;
6847        }
6848        long[] out = new long[ar.length];
6849        for (int i=0; i<ar.length; i++) {
6850            out[i] = ar[i];
6851        }
6852        return out;
6853    }
6854
6855    /** {@inheritDoc} */
6856    @Override
6857    public void systemReady() {
6858        mKeyguardDelegate = new KeyguardServiceDelegate(mContext);
6859        mKeyguardDelegate.onSystemReady();
6860
6861        readCameraLensCoverState();
6862        updateUiMode();
6863        boolean bindKeyguardNow;
6864        synchronized (mLock) {
6865            updateOrientationListenerLp();
6866            mSystemReady = true;
6867            mHandler.post(new Runnable() {
6868                @Override
6869                public void run() {
6870                    updateSettings();
6871                }
6872            });
6873
6874            bindKeyguardNow = mDeferBindKeyguard;
6875            if (bindKeyguardNow) {
6876                // systemBooted ran but wasn't able to bind to the Keyguard, we'll do it now.
6877                mDeferBindKeyguard = false;
6878            }
6879        }
6880
6881        if (bindKeyguardNow) {
6882            mKeyguardDelegate.bindService(mContext);
6883            mKeyguardDelegate.onBootCompleted();
6884        }
6885        mSystemGestures.systemReady();
6886        mImmersiveModeConfirmation.systemReady();
6887    }
6888
6889    /** {@inheritDoc} */
6890    @Override
6891    public void systemBooted() {
6892        boolean bindKeyguardNow = false;
6893        synchronized (mLock) {
6894            // Time to bind Keyguard; take care to only bind it once, either here if ready or
6895            // in systemReady if not.
6896            if (mKeyguardDelegate != null) {
6897                bindKeyguardNow = true;
6898            } else {
6899                // Because mKeyguardDelegate is null, we know that the synchronized block in
6900                // systemReady didn't run yet and setting this will actually have an effect.
6901                mDeferBindKeyguard = true;
6902            }
6903        }
6904        if (bindKeyguardNow) {
6905            mKeyguardDelegate.bindService(mContext);
6906            mKeyguardDelegate.onBootCompleted();
6907        }
6908        synchronized (mLock) {
6909            mSystemBooted = true;
6910        }
6911        startedWakingUp();
6912        screenTurningOn(null);
6913        screenTurnedOn();
6914    }
6915
6916    ProgressDialog mBootMsgDialog = null;
6917
6918    /** {@inheritDoc} */
6919    @Override
6920    public void showBootMessage(final CharSequence msg, final boolean always) {
6921        mHandler.post(new Runnable() {
6922            @Override public void run() {
6923                if (mBootMsgDialog == null) {
6924                    int theme;
6925                    if (mContext.getPackageManager().hasSystemFeature(FEATURE_TELEVISION)) {
6926                        theme = com.android.internal.R.style.Theme_Leanback_Dialog_Alert;
6927                    } else {
6928                        theme = 0;
6929                    }
6930
6931                    mBootMsgDialog = new ProgressDialog(mContext, theme) {
6932                        // This dialog will consume all events coming in to
6933                        // it, to avoid it trying to do things too early in boot.
6934                        @Override public boolean dispatchKeyEvent(KeyEvent event) {
6935                            return true;
6936                        }
6937                        @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
6938                            return true;
6939                        }
6940                        @Override public boolean dispatchTouchEvent(MotionEvent ev) {
6941                            return true;
6942                        }
6943                        @Override public boolean dispatchTrackballEvent(MotionEvent ev) {
6944                            return true;
6945                        }
6946                        @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) {
6947                            return true;
6948                        }
6949                        @Override public boolean dispatchPopulateAccessibilityEvent(
6950                                AccessibilityEvent event) {
6951                            return true;
6952                        }
6953                    };
6954                    if (mContext.getPackageManager().isUpgrade()) {
6955                        mBootMsgDialog.setTitle(R.string.android_upgrading_title);
6956                    } else {
6957                        mBootMsgDialog.setTitle(R.string.android_start_title);
6958                    }
6959                    mBootMsgDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
6960                    mBootMsgDialog.setIndeterminate(true);
6961                    mBootMsgDialog.getWindow().setType(
6962                            WindowManager.LayoutParams.TYPE_BOOT_PROGRESS);
6963                    mBootMsgDialog.getWindow().addFlags(
6964                            WindowManager.LayoutParams.FLAG_DIM_BEHIND
6965                            | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
6966                    mBootMsgDialog.getWindow().setDimAmount(1);
6967                    WindowManager.LayoutParams lp = mBootMsgDialog.getWindow().getAttributes();
6968                    lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
6969                    mBootMsgDialog.getWindow().setAttributes(lp);
6970                    mBootMsgDialog.setCancelable(false);
6971                    mBootMsgDialog.show();
6972                }
6973                mBootMsgDialog.setMessage(msg);
6974            }
6975        });
6976    }
6977
6978    /** {@inheritDoc} */
6979    @Override
6980    public void hideBootMessages() {
6981        mHandler.sendEmptyMessage(MSG_HIDE_BOOT_MESSAGE);
6982    }
6983
6984    /** {@inheritDoc} */
6985    @Override
6986    public void userActivity() {
6987        // ***************************************
6988        // NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
6989        // ***************************************
6990        // THIS IS CALLED FROM DEEP IN THE POWER MANAGER
6991        // WITH ITS LOCKS HELD.
6992        //
6993        // This code must be VERY careful about the locks
6994        // it acquires.
6995        // In fact, the current code acquires way too many,
6996        // and probably has lurking deadlocks.
6997
6998        synchronized (mScreenLockTimeout) {
6999            if (mLockScreenTimerActive) {
7000                // reset the timer
7001                mHandler.removeCallbacks(mScreenLockTimeout);
7002                mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
7003            }
7004        }
7005    }
7006
7007    class ScreenLockTimeout implements Runnable {
7008        Bundle options;
7009
7010        @Override
7011        public void run() {
7012            synchronized (this) {
7013                if (localLOGV) Log.v(TAG, "mScreenLockTimeout activating keyguard");
7014                if (mKeyguardDelegate != null) {
7015                    mKeyguardDelegate.doKeyguardTimeout(options);
7016                }
7017                mLockScreenTimerActive = false;
7018                options = null;
7019            }
7020        }
7021
7022        public void setLockOptions(Bundle options) {
7023            this.options = options;
7024        }
7025    }
7026
7027    ScreenLockTimeout mScreenLockTimeout = new ScreenLockTimeout();
7028
7029    @Override
7030    public void lockNow(Bundle options) {
7031        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);
7032        mHandler.removeCallbacks(mScreenLockTimeout);
7033        if (options != null) {
7034            // In case multiple calls are made to lockNow, we don't wipe out the options
7035            // until the runnable actually executes.
7036            mScreenLockTimeout.setLockOptions(options);
7037        }
7038        mHandler.post(mScreenLockTimeout);
7039    }
7040
7041    private void updateLockScreenTimeout() {
7042        synchronized (mScreenLockTimeout) {
7043            boolean enable = (mAllowLockscreenWhenOn && mAwake &&
7044                    mKeyguardDelegate != null && mKeyguardDelegate.isSecure(mCurrentUserId));
7045            if (mLockScreenTimerActive != enable) {
7046                if (enable) {
7047                    if (localLOGV) Log.v(TAG, "setting lockscreen timer");
7048                    mHandler.removeCallbacks(mScreenLockTimeout); // remove any pending requests
7049                    mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
7050                } else {
7051                    if (localLOGV) Log.v(TAG, "clearing lockscreen timer");
7052                    mHandler.removeCallbacks(mScreenLockTimeout);
7053                }
7054                mLockScreenTimerActive = enable;
7055            }
7056        }
7057    }
7058
7059    private void updateDreamingSleepToken(boolean acquire) {
7060        if (acquire) {
7061            if (mDreamingSleepToken == null) {
7062                mDreamingSleepToken = mActivityManagerInternal.acquireSleepToken("Dream");
7063            }
7064        } else {
7065            if (mDreamingSleepToken != null) {
7066                mDreamingSleepToken.release();
7067                mDreamingSleepToken = null;
7068            }
7069        }
7070    }
7071
7072    private void updateScreenOffSleepToken(boolean acquire) {
7073        if (acquire) {
7074            if (mScreenOffSleepToken == null) {
7075                mScreenOffSleepToken = mActivityManagerInternal.acquireSleepToken("ScreenOff");
7076            }
7077        } else {
7078            if (mScreenOffSleepToken != null) {
7079                mScreenOffSleepToken.release();
7080                mScreenOffSleepToken = null;
7081            }
7082        }
7083    }
7084
7085    /** {@inheritDoc} */
7086    @Override
7087    public void enableScreenAfterBoot() {
7088        readLidState();
7089        applyLidSwitchState();
7090        updateRotation(true);
7091    }
7092
7093    private void applyLidSwitchState() {
7094        if (mLidState == LID_CLOSED && mLidControlsSleep) {
7095            mPowerManager.goToSleep(SystemClock.uptimeMillis(),
7096                    PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH,
7097                    PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
7098        } else if (mLidState == LID_CLOSED && mLidControlsScreenLock) {
7099            mWindowManagerFuncs.lockDeviceNow();
7100        }
7101
7102        synchronized (mLock) {
7103            updateWakeGestureListenerLp();
7104        }
7105    }
7106
7107    void updateUiMode() {
7108        if (mUiModeManager == null) {
7109            mUiModeManager = IUiModeManager.Stub.asInterface(
7110                    ServiceManager.getService(Context.UI_MODE_SERVICE));
7111        }
7112        try {
7113            mUiMode = mUiModeManager.getCurrentModeType();
7114        } catch (RemoteException e) {
7115        }
7116    }
7117
7118    void updateRotation(boolean alwaysSendConfiguration) {
7119        try {
7120            //set orientation on WindowManager
7121            mWindowManager.updateRotation(alwaysSendConfiguration, false);
7122        } catch (RemoteException e) {
7123            // Ignore
7124        }
7125    }
7126
7127    void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
7128        try {
7129            //set orientation on WindowManager
7130            mWindowManager.updateRotation(alwaysSendConfiguration, forceRelayout);
7131        } catch (RemoteException e) {
7132            // Ignore
7133        }
7134    }
7135
7136    /**
7137     * Return an Intent to launch the currently active dock app as home.  Returns
7138     * null if the standard home should be launched, which is the case if any of the following is
7139     * true:
7140     * <ul>
7141     *  <li>The device is not in either car mode or desk mode
7142     *  <li>The device is in car mode but mEnableCarDockHomeCapture is false
7143     *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
7144     *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
7145     *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
7146     * </ul>
7147     * @return A dock intent.
7148     */
7149    Intent createHomeDockIntent() {
7150        Intent intent = null;
7151
7152        // What home does is based on the mode, not the dock state.  That
7153        // is, when in car mode you should be taken to car home regardless
7154        // of whether we are actually in a car dock.
7155        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
7156            if (mEnableCarDockHomeCapture) {
7157                intent = mCarDockIntent;
7158            }
7159        } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
7160            if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
7161                intent = mDeskDockIntent;
7162            }
7163        } else if (mUiMode == Configuration.UI_MODE_TYPE_WATCH
7164                && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
7165                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK
7166                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK)) {
7167            // Always launch dock home from home when watch is docked, if it exists.
7168            intent = mDeskDockIntent;
7169        }
7170
7171        if (intent == null) {
7172            return null;
7173        }
7174
7175        ActivityInfo ai = null;
7176        ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(
7177                intent,
7178                PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_META_DATA,
7179                mCurrentUserId);
7180        if (info != null) {
7181            ai = info.activityInfo;
7182        }
7183        if (ai != null
7184                && ai.metaData != null
7185                && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
7186            intent = new Intent(intent);
7187            intent.setClassName(ai.packageName, ai.name);
7188            return intent;
7189        }
7190
7191        return null;
7192    }
7193
7194    void startDockOrHome(boolean fromHomeKey, boolean awakenFromDreams) {
7195        if (awakenFromDreams) {
7196            awakenDreams();
7197        }
7198
7199        Intent dock = createHomeDockIntent();
7200        if (dock != null) {
7201            try {
7202                if (fromHomeKey) {
7203                    dock.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
7204                }
7205                startActivityAsUser(dock, UserHandle.CURRENT);
7206                return;
7207            } catch (ActivityNotFoundException e) {
7208            }
7209        }
7210
7211        Intent intent;
7212
7213        if (fromHomeKey) {
7214            intent = new Intent(mHomeIntent);
7215            intent.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
7216        } else {
7217            intent = mHomeIntent;
7218        }
7219
7220        startActivityAsUser(intent, UserHandle.CURRENT);
7221    }
7222
7223    /**
7224     * goes to the home screen
7225     * @return whether it did anything
7226     */
7227    boolean goHome() {
7228        if (!isUserSetupComplete()) {
7229            Slog.i(TAG, "Not going home because user setup is in progress.");
7230            return false;
7231        }
7232        if (false) {
7233            // This code always brings home to the front.
7234            try {
7235                ActivityManagerNative.getDefault().stopAppSwitches();
7236            } catch (RemoteException e) {
7237            }
7238            sendCloseSystemWindows();
7239            startDockOrHome(false /*fromHomeKey*/, true /* awakenFromDreams */);
7240        } else {
7241            // This code brings home to the front or, if it is already
7242            // at the front, puts the device to sleep.
7243            try {
7244                if (SystemProperties.getInt("persist.sys.uts-test-mode", 0) == 1) {
7245                    /// Roll back EndcallBehavior as the cupcake design to pass P1 lab entry.
7246                    Log.d(TAG, "UTS-TEST-MODE");
7247                } else {
7248                    ActivityManagerNative.getDefault().stopAppSwitches();
7249                    sendCloseSystemWindows();
7250                    Intent dock = createHomeDockIntent();
7251                    if (dock != null) {
7252                        int result = ActivityManagerNative.getDefault()
7253                                .startActivityAsUser(null, null, dock,
7254                                        dock.resolveTypeIfNeeded(mContext.getContentResolver()),
7255                                        null, null, 0,
7256                                        ActivityManager.START_FLAG_ONLY_IF_NEEDED,
7257                                        null, null, UserHandle.USER_CURRENT);
7258                        if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
7259                            return false;
7260                        }
7261                    }
7262                }
7263                int result = ActivityManagerNative.getDefault()
7264                        .startActivityAsUser(null, null, mHomeIntent,
7265                                mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
7266                                null, null, 0,
7267                                ActivityManager.START_FLAG_ONLY_IF_NEEDED,
7268                                null, null, UserHandle.USER_CURRENT);
7269                if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
7270                    return false;
7271                }
7272            } catch (RemoteException ex) {
7273                // bummer, the activity manager, which is in this process, is dead
7274            }
7275        }
7276        return true;
7277    }
7278
7279    @Override
7280    public void setCurrentOrientationLw(int newOrientation) {
7281        synchronized (mLock) {
7282            if (newOrientation != mCurrentAppOrientation) {
7283                mCurrentAppOrientation = newOrientation;
7284                updateOrientationListenerLp();
7285            }
7286        }
7287    }
7288
7289    private void performAuditoryFeedbackForAccessibilityIfNeed() {
7290        if (!isGlobalAccessibilityGestureEnabled()) {
7291            return;
7292        }
7293        AudioManager audioManager = (AudioManager) mContext.getSystemService(
7294                Context.AUDIO_SERVICE);
7295        if (audioManager.isSilentMode()) {
7296            return;
7297        }
7298        Ringtone ringTone = RingtoneManager.getRingtone(mContext,
7299                Settings.System.DEFAULT_NOTIFICATION_URI);
7300        ringTone.setStreamType(AudioManager.STREAM_MUSIC);
7301        ringTone.play();
7302    }
7303
7304    private boolean isTheaterModeEnabled() {
7305        return Settings.Global.getInt(mContext.getContentResolver(),
7306                Settings.Global.THEATER_MODE_ON, 0) == 1;
7307    }
7308
7309    private boolean isGlobalAccessibilityGestureEnabled() {
7310        return Settings.Global.getInt(mContext.getContentResolver(),
7311                Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED, 0) == 1;
7312    }
7313
7314    private boolean areSystemNavigationKeysEnabled() {
7315        return Settings.Secure.getInt(mContext.getContentResolver(),
7316                Settings.Secure.SYSTEM_NAVIGATION_KEYS_ENABLED, 1) == 1;
7317    }
7318
7319    @Override
7320    public boolean performHapticFeedbackLw(WindowState win, int effectId, boolean always) {
7321        if (!mVibrator.hasVibrator()) {
7322            return false;
7323        }
7324        final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(),
7325                Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0;
7326        if (hapticsDisabled && !always) {
7327            return false;
7328        }
7329        long[] pattern = null;
7330        switch (effectId) {
7331            case HapticFeedbackConstants.LONG_PRESS:
7332                pattern = mLongPressVibePattern;
7333                break;
7334            case HapticFeedbackConstants.VIRTUAL_KEY:
7335                pattern = mVirtualKeyVibePattern;
7336                break;
7337            case HapticFeedbackConstants.KEYBOARD_TAP:
7338                pattern = mKeyboardTapVibePattern;
7339                break;
7340            case HapticFeedbackConstants.CLOCK_TICK:
7341                pattern = mClockTickVibePattern;
7342                break;
7343            case HapticFeedbackConstants.CALENDAR_DATE:
7344                pattern = mCalendarDateVibePattern;
7345                break;
7346            case HapticFeedbackConstants.SAFE_MODE_DISABLED:
7347                pattern = mSafeModeDisabledVibePattern;
7348                break;
7349            case HapticFeedbackConstants.SAFE_MODE_ENABLED:
7350                pattern = mSafeModeEnabledVibePattern;
7351                break;
7352            case HapticFeedbackConstants.CONTEXT_CLICK:
7353                pattern = mContextClickVibePattern;
7354                break;
7355            default:
7356                return false;
7357        }
7358        int owningUid;
7359        String owningPackage;
7360        if (win != null) {
7361            owningUid = win.getOwningUid();
7362            owningPackage = win.getOwningPackage();
7363        } else {
7364            owningUid = android.os.Process.myUid();
7365            owningPackage = mContext.getOpPackageName();
7366        }
7367        if (pattern.length == 1) {
7368            // One-shot vibration
7369            mVibrator.vibrate(owningUid, owningPackage, pattern[0], VIBRATION_ATTRIBUTES);
7370        } else {
7371            // Pattern vibration
7372            mVibrator.vibrate(owningUid, owningPackage, pattern, -1, VIBRATION_ATTRIBUTES);
7373        }
7374        return true;
7375    }
7376
7377    @Override
7378    public void keepScreenOnStartedLw() {
7379    }
7380
7381    @Override
7382    public void keepScreenOnStoppedLw() {
7383        if (isKeyguardShowingAndNotOccluded()) {
7384            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
7385        }
7386    }
7387
7388    private int updateSystemUiVisibilityLw() {
7389        // If there is no window focused, there will be nobody to handle the events
7390        // anyway, so just hang on in whatever state we're in until things settle down.
7391        final WindowState win = mFocusedWindow != null ? mFocusedWindow
7392                : mTopFullscreenOpaqueWindowState;
7393        if (win == null) {
7394            return 0;
7395        }
7396        if ((win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 && mHideLockScreen == true) {
7397            // We are updating at a point where the keyguard has gotten
7398            // focus, but we were last in a state where the top window is
7399            // hiding it.  This is probably because the keyguard as been
7400            // shown while the top window was displayed, so we want to ignore
7401            // it here because this is just a very transient change and it
7402            // will quickly lose focus once it correctly gets hidden.
7403            return 0;
7404        }
7405
7406        int tmpVisibility = PolicyControl.getSystemUiVisibility(win, null)
7407                & ~mResettingSystemUiFlags
7408                & ~mForceClearedSystemUiFlags;
7409        if (mForcingShowNavBar && win.getSurfaceLayer() < mForcingShowNavBarLayer) {
7410            tmpVisibility &= ~PolicyControl.adjustClearableFlags(win, View.SYSTEM_UI_CLEARABLE_FLAGS);
7411        }
7412
7413        final int fullscreenVisibility = updateLightStatusBarLw(0 /* vis */,
7414                mTopFullscreenOpaqueWindowState, mTopFullscreenOpaqueOrDimmingWindowState);
7415        final int dockedVisibility = updateLightStatusBarLw(0 /* vis */,
7416                mTopDockedOpaqueWindowState, mTopDockedOpaqueOrDimmingWindowState);
7417        mWindowManagerFuncs.getStackBounds(HOME_STACK_ID, mNonDockedStackBounds);
7418        mWindowManagerFuncs.getStackBounds(DOCKED_STACK_ID, mDockedStackBounds);
7419        final int visibility = updateSystemBarsLw(win, mLastSystemUiFlags, tmpVisibility);
7420        final int diff = visibility ^ mLastSystemUiFlags;
7421        final int fullscreenDiff = fullscreenVisibility ^ mLastFullscreenStackSysUiFlags;
7422        final int dockedDiff = dockedVisibility ^ mLastDockedStackSysUiFlags;
7423        final boolean needsMenu = win.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
7424        if (diff == 0 && fullscreenDiff == 0 && dockedDiff == 0 && mLastFocusNeedsMenu == needsMenu
7425                && mFocusedApp == win.getAppToken()
7426                && mLastNonDockedStackBounds.equals(mNonDockedStackBounds)
7427                && mLastDockedStackBounds.equals(mDockedStackBounds)) {
7428            return 0;
7429        }
7430        mLastSystemUiFlags = visibility;
7431        mLastFullscreenStackSysUiFlags = fullscreenVisibility;
7432        mLastDockedStackSysUiFlags = dockedVisibility;
7433        mLastFocusNeedsMenu = needsMenu;
7434        mFocusedApp = win.getAppToken();
7435        final Rect fullscreenStackBounds = new Rect(mNonDockedStackBounds);
7436        final Rect dockedStackBounds = new Rect(mDockedStackBounds);
7437        mHandler.post(new Runnable() {
7438                @Override
7439                public void run() {
7440                    StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
7441                    if (statusbar != null) {
7442                        statusbar.setSystemUiVisibility(visibility, fullscreenVisibility,
7443                                dockedVisibility, 0xffffffff, fullscreenStackBounds,
7444                                dockedStackBounds, win.toString());
7445                        statusbar.topAppWindowChanged(needsMenu);
7446                    }
7447                }
7448            });
7449        return diff;
7450    }
7451
7452    private int updateLightStatusBarLw(int vis, WindowState opaque, WindowState opaqueOrDimming) {
7453        WindowState statusColorWin = isStatusBarKeyguard() && !mHideLockScreen
7454                ? mStatusBar
7455                : opaqueOrDimming;
7456
7457        if (statusColorWin != null) {
7458            if (statusColorWin == opaque) {
7459                // If the top fullscreen-or-dimming window is also the top fullscreen, respect
7460                // its light flag.
7461                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7462                vis |= PolicyControl.getSystemUiVisibility(statusColorWin, null)
7463                        & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7464            } else if (statusColorWin != null && statusColorWin.isDimming()) {
7465                // Otherwise if it's dimming, clear the light flag.
7466                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7467            }
7468        }
7469        return vis;
7470    }
7471
7472    private boolean drawsSystemBarBackground(WindowState win) {
7473        return win == null || (win.getAttrs().flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0;
7474    }
7475
7476    private boolean forcesDrawStatusBarBackground(WindowState win) {
7477        return win == null || (win.getAttrs().privateFlags
7478                & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND) != 0;
7479    }
7480
7481    private int updateSystemBarsLw(WindowState win, int oldVis, int vis) {
7482        final boolean dockedStackVisible = mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID);
7483        final boolean freeformStackVisible =
7484                mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID);
7485        final boolean resizing = mWindowManagerInternal.isDockedDividerResizing();
7486
7487        // We need to force system bars when the docked stack is visible, when the freeform stack
7488        // is visible but also when we are resizing for the transitions when docked stack
7489        // visibility changes.
7490        mForceShowSystemBars = dockedStackVisible || freeformStackVisible || resizing;
7491        final boolean forceOpaqueStatusBar = mForceShowSystemBars && !mForceStatusBarFromKeyguard;
7492
7493        // apply translucent bar vis flags
7494        WindowState fullscreenTransWin = isStatusBarKeyguard() && !mHideLockScreen
7495                ? mStatusBar
7496                : mTopFullscreenOpaqueWindowState;
7497        vis = mStatusBarController.applyTranslucentFlagLw(fullscreenTransWin, vis, oldVis);
7498        vis = mNavigationBarController.applyTranslucentFlagLw(fullscreenTransWin, vis, oldVis);
7499        final int dockedVis = mStatusBarController.applyTranslucentFlagLw(
7500                mTopDockedOpaqueWindowState, 0, 0);
7501
7502        final boolean fullscreenDrawsStatusBarBackground =
7503                (drawsSystemBarBackground(mTopFullscreenOpaqueWindowState)
7504                        && (vis & View.STATUS_BAR_TRANSLUCENT) == 0)
7505                || forcesDrawStatusBarBackground(mTopFullscreenOpaqueWindowState);
7506        final boolean dockedDrawsStatusBarBackground =
7507                (drawsSystemBarBackground(mTopDockedOpaqueWindowState)
7508                        && (dockedVis & View.STATUS_BAR_TRANSLUCENT) == 0)
7509                || forcesDrawStatusBarBackground(mTopDockedOpaqueWindowState);
7510
7511        // prevent status bar interaction from clearing certain flags
7512        int type = win.getAttrs().type;
7513        boolean statusBarHasFocus = type == TYPE_STATUS_BAR;
7514        if (statusBarHasFocus && !isStatusBarKeyguard()) {
7515            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
7516                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
7517                    | View.SYSTEM_UI_FLAG_IMMERSIVE
7518                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
7519                    | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7520            if (mHideLockScreen) {
7521                flags |= View.STATUS_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSLUCENT;
7522            }
7523            vis = (vis & ~flags) | (oldVis & flags);
7524        }
7525
7526        if (fullscreenDrawsStatusBarBackground && dockedDrawsStatusBarBackground) {
7527            vis |= View.STATUS_BAR_TRANSPARENT;
7528            vis &= ~View.STATUS_BAR_TRANSLUCENT;
7529        } else if ((!areTranslucentBarsAllowed() && fullscreenTransWin != mStatusBar)
7530                || forceOpaqueStatusBar) {
7531            vis &= ~(View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT);
7532        }
7533
7534        vis = configureNavBarOpacity(vis, dockedStackVisible, freeformStackVisible, resizing);
7535
7536        // update status bar
7537        boolean immersiveSticky =
7538                (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
7539        final boolean hideStatusBarWM =
7540                mTopFullscreenOpaqueWindowState != null
7541                && (PolicyControl.getWindowFlags(mTopFullscreenOpaqueWindowState, null)
7542                        & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0;
7543        final boolean hideStatusBarSysui =
7544                (vis & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
7545        final boolean hideNavBarSysui =
7546                (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0;
7547
7548        final boolean transientStatusBarAllowed = mStatusBar != null
7549                && (statusBarHasFocus || (!mForceShowSystemBars
7550                        && (hideStatusBarWM || (hideStatusBarSysui && immersiveSticky))));
7551
7552        final boolean transientNavBarAllowed = mNavigationBar != null
7553                && !mForceShowSystemBars && hideNavBarSysui && immersiveSticky;
7554
7555        final long now = SystemClock.uptimeMillis();
7556        final boolean pendingPanic = mPendingPanicGestureUptime != 0
7557                && now - mPendingPanicGestureUptime <= PANIC_GESTURE_EXPIRATION;
7558        if (pendingPanic && hideNavBarSysui && !isStatusBarKeyguard() && mKeyguardDrawComplete) {
7559            // The user performed the panic gesture recently, we're about to hide the bars,
7560            // we're no longer on the Keyguard and the screen is ready. We can now request the bars.
7561            mPendingPanicGestureUptime = 0;
7562            mStatusBarController.showTransient();
7563            mNavigationBarController.showTransient();
7564        }
7565
7566        final boolean denyTransientStatus = mStatusBarController.isTransientShowRequested()
7567                && !transientStatusBarAllowed && hideStatusBarSysui;
7568        final boolean denyTransientNav = mNavigationBarController.isTransientShowRequested()
7569                && !transientNavBarAllowed;
7570        if (denyTransientStatus || denyTransientNav || mForceShowSystemBars) {
7571            // clear the clearable flags instead
7572            clearClearableFlagsLw();
7573            vis &= ~View.SYSTEM_UI_CLEARABLE_FLAGS;
7574        }
7575
7576        final boolean immersive = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
7577        immersiveSticky = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
7578        final boolean navAllowedHidden = immersive || immersiveSticky;
7579
7580        if (hideNavBarSysui && !navAllowedHidden && windowTypeToLayerLw(win.getBaseType())
7581                > windowTypeToLayerLw(TYPE_INPUT_CONSUMER)) {
7582            // We can't hide the navbar from this window otherwise the input consumer would not get
7583            // the input events.
7584            vis = (vis & ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
7585        }
7586
7587        vis = mStatusBarController.updateVisibilityLw(transientStatusBarAllowed, oldVis, vis);
7588
7589        // update navigation bar
7590        boolean oldImmersiveMode = isImmersiveMode(oldVis);
7591        boolean newImmersiveMode = isImmersiveMode(vis);
7592        if (win != null && oldImmersiveMode != newImmersiveMode) {
7593            final String pkg = win.getOwningPackage();
7594            mImmersiveModeConfirmation.immersiveModeChangedLw(pkg, newImmersiveMode,
7595                    isUserSetupComplete(), isNavBarEmpty(win.getSystemUiVisibility()));
7596        }
7597
7598        vis = mNavigationBarController.updateVisibilityLw(transientNavBarAllowed, oldVis, vis);
7599
7600        return vis;
7601    }
7602
7603    /**
7604     * @return the current visibility flags with the nav-bar opacity related flags toggled based
7605     *         on the nav bar opacity rules chosen by {@link #mNavBarOpacityMode}.
7606     */
7607    private int configureNavBarOpacity(int visibility, boolean dockedStackVisible,
7608            boolean freeformStackVisible, boolean isDockedDividerResizing) {
7609        if (mNavBarOpacityMode == NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED) {
7610            if (dockedStackVisible || freeformStackVisible || isDockedDividerResizing) {
7611                visibility = setNavBarOpaqueFlag(visibility);
7612            }
7613        } else if (mNavBarOpacityMode == NAV_BAR_TRANSLUCENT_WHEN_FREEFORM_OPAQUE_OTHERWISE) {
7614            if (isDockedDividerResizing) {
7615                visibility = setNavBarOpaqueFlag(visibility);
7616            } else if (freeformStackVisible) {
7617                visibility = setNavBarTranslucentFlag(visibility);
7618            } else {
7619                visibility = setNavBarOpaqueFlag(visibility);
7620            }
7621        }
7622
7623        if (!areTranslucentBarsAllowed()) {
7624            visibility &= ~View.NAVIGATION_BAR_TRANSLUCENT;
7625        }
7626        return visibility;
7627    }
7628
7629    private int setNavBarOpaqueFlag(int visibility) {
7630        return visibility &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT);
7631    }
7632
7633    private int setNavBarTranslucentFlag(int visibility) {
7634        visibility &= ~View.NAVIGATION_BAR_TRANSPARENT;
7635        return visibility |= View.NAVIGATION_BAR_TRANSLUCENT;
7636    }
7637
7638    private void clearClearableFlagsLw() {
7639        int newVal = mResettingSystemUiFlags | View.SYSTEM_UI_CLEARABLE_FLAGS;
7640        if (newVal != mResettingSystemUiFlags) {
7641            mResettingSystemUiFlags = newVal;
7642            mWindowManagerFuncs.reevaluateStatusBarVisibility();
7643        }
7644    }
7645
7646    private boolean isImmersiveMode(int vis) {
7647        final int flags = View.SYSTEM_UI_FLAG_IMMERSIVE | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
7648        return mNavigationBar != null
7649                && (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
7650                && (vis & flags) != 0
7651                && canHideNavigationBar();
7652    }
7653
7654    private static boolean isNavBarEmpty(int systemUiFlags) {
7655        final int disableNavigationBar = (View.STATUS_BAR_DISABLE_HOME
7656                | View.STATUS_BAR_DISABLE_BACK
7657                | View.STATUS_BAR_DISABLE_RECENT);
7658
7659        return (systemUiFlags & disableNavigationBar) == disableNavigationBar;
7660    }
7661
7662    /**
7663     * @return whether the navigation or status bar can be made translucent
7664     *
7665     * This should return true unless touch exploration is not enabled or
7666     * R.boolean.config_enableTranslucentDecor is false.
7667     */
7668    private boolean areTranslucentBarsAllowed() {
7669        return mTranslucentDecorEnabled;
7670    }
7671
7672    // Use this instead of checking config_showNavigationBar so that it can be consistently
7673    // overridden by qemu.hw.mainkeys in the emulator.
7674    @Override
7675    public boolean hasNavigationBar() {
7676        return mHasNavigationBar;
7677    }
7678
7679    @Override
7680    public void setLastInputMethodWindowLw(WindowState ime, WindowState target) {
7681        mLastInputMethodWindow = ime;
7682        mLastInputMethodTargetWindow = target;
7683    }
7684
7685    @Override
7686    public int getInputMethodWindowVisibleHeightLw() {
7687        return mDockBottom - mCurBottom;
7688    }
7689
7690    @Override
7691    public void setCurrentUserLw(int newUserId) {
7692        mCurrentUserId = newUserId;
7693        if (mKeyguardDelegate != null) {
7694            mKeyguardDelegate.setCurrentUser(newUserId);
7695        }
7696        StatusBarManagerInternal statusBar = getStatusBarManagerInternal();
7697        if (statusBar != null) {
7698            statusBar.setCurrentUser(newUserId);
7699        }
7700        setLastInputMethodWindowLw(null, null);
7701    }
7702
7703    @Override
7704    public boolean canMagnifyWindow(int windowType) {
7705        switch (windowType) {
7706            case WindowManager.LayoutParams.TYPE_INPUT_METHOD:
7707            case WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG:
7708            case WindowManager.LayoutParams.TYPE_NAVIGATION_BAR:
7709            case WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY: {
7710                return false;
7711            }
7712        }
7713        return true;
7714    }
7715
7716    @Override
7717    public boolean isTopLevelWindow(int windowType) {
7718        if (windowType >= WindowManager.LayoutParams.FIRST_SUB_WINDOW
7719                && windowType <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
7720            return (windowType == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG);
7721        }
7722        return true;
7723    }
7724
7725    @Override
7726    public boolean shouldRotateSeamlessly(int oldRotation, int newRotation) {
7727        // For the upside down rotation we don't rotate seamlessly as the navigation
7728        // bar moves position.
7729        // Note most apps (using orientation:sensor or user as opposed to fullSensor)
7730        // will not enter the reverse portrait orientation, so actually the
7731        // orientation won't change at all.
7732        if (oldRotation == mUpsideDownRotation || newRotation == mUpsideDownRotation) {
7733            return false;
7734        }
7735        int delta = newRotation - oldRotation;
7736        if (delta < 0) delta += 4;
7737        // Likewise we don't rotate seamlessly for 180 degree rotations
7738        // in this case the surfaces never resize, and our logic to
7739        // revert the transformations on size change will fail. We could
7740        // fix this in the future with the "tagged" frames idea.
7741        if (delta == Surface.ROTATION_180) {
7742            return false;
7743        }
7744
7745        // We only enable seamless rotation if the top window has requested
7746        // it and is in the fullscreen opaque state. Seamless rotation
7747        // requires freezing various Surface states and won't work well
7748        // with animations, so we disable it in the animation case for now.
7749        if (mTopFullscreenOpaqueWindowState != null && mTopIsFullscreen &&
7750                !mTopFullscreenOpaqueWindowState.isAnimatingLw() &&
7751                mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation ==
7752                ROTATION_ANIMATION_JUMPCUT) {
7753            return true;
7754        }
7755        return false;
7756    }
7757
7758    @Override
7759    public void dump(String prefix, PrintWriter pw, String[] args) {
7760        pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
7761                pw.print(" mSystemReady="); pw.print(mSystemReady);
7762                pw.print(" mSystemBooted="); pw.println(mSystemBooted);
7763        pw.print(prefix); pw.print("mLidState="); pw.print(mLidState);
7764                pw.print(" mLidOpenRotation="); pw.print(mLidOpenRotation);
7765                pw.print(" mCameraLensCoverState="); pw.print(mCameraLensCoverState);
7766                pw.print(" mHdmiPlugged="); pw.println(mHdmiPlugged);
7767        if (mLastSystemUiFlags != 0 || mResettingSystemUiFlags != 0
7768                || mForceClearedSystemUiFlags != 0) {
7769            pw.print(prefix); pw.print("mLastSystemUiFlags=0x");
7770                    pw.print(Integer.toHexString(mLastSystemUiFlags));
7771                    pw.print(" mResettingSystemUiFlags=0x");
7772                    pw.print(Integer.toHexString(mResettingSystemUiFlags));
7773                    pw.print(" mForceClearedSystemUiFlags=0x");
7774                    pw.println(Integer.toHexString(mForceClearedSystemUiFlags));
7775        }
7776        if (mLastFocusNeedsMenu) {
7777            pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
7778                    pw.println(mLastFocusNeedsMenu);
7779        }
7780        pw.print(prefix); pw.print("mWakeGestureEnabledSetting=");
7781                pw.println(mWakeGestureEnabledSetting);
7782
7783        pw.print(prefix); pw.print("mSupportAutoRotation="); pw.println(mSupportAutoRotation);
7784        pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
7785                pw.print(" mDockMode="); pw.print(mDockMode);
7786                pw.print(" mEnableCarDockHomeCapture="); pw.print(mEnableCarDockHomeCapture);
7787                pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
7788                pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
7789        pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);
7790                pw.print(" mUserRotation="); pw.print(mUserRotation);
7791                pw.print(" mAllowAllRotations="); pw.println(mAllowAllRotations);
7792        pw.print(prefix); pw.print("mCurrentAppOrientation="); pw.println(mCurrentAppOrientation);
7793        pw.print(prefix); pw.print("mCarDockEnablesAccelerometer=");
7794                pw.print(mCarDockEnablesAccelerometer);
7795                pw.print(" mDeskDockEnablesAccelerometer=");
7796                pw.println(mDeskDockEnablesAccelerometer);
7797        pw.print(prefix); pw.print("mLidKeyboardAccessibility=");
7798                pw.print(mLidKeyboardAccessibility);
7799                pw.print(" mLidNavigationAccessibility="); pw.print(mLidNavigationAccessibility);
7800                pw.print(" mLidControlsScreenLock="); pw.println(mLidControlsScreenLock);
7801                pw.print(" mLidControlsSleep="); pw.println(mLidControlsSleep);
7802        pw.print(prefix);
7803                pw.print(" mLongPressOnBackBehavior="); pw.println(mLongPressOnBackBehavior);
7804        pw.print(prefix);
7805                pw.print("mShortPressOnPowerBehavior="); pw.print(mShortPressOnPowerBehavior);
7806                pw.print(" mLongPressOnPowerBehavior="); pw.println(mLongPressOnPowerBehavior);
7807        pw.print(prefix);
7808                pw.print("mDoublePressOnPowerBehavior="); pw.print(mDoublePressOnPowerBehavior);
7809                pw.print(" mTriplePressOnPowerBehavior="); pw.println(mTriplePressOnPowerBehavior);
7810        pw.print(prefix); pw.print("mHasSoftInput="); pw.println(mHasSoftInput);
7811        pw.print(prefix); pw.print("mAwake="); pw.println(mAwake);
7812        pw.print(prefix); pw.print("mScreenOnEarly="); pw.print(mScreenOnEarly);
7813                pw.print(" mScreenOnFully="); pw.println(mScreenOnFully);
7814        pw.print(prefix); pw.print("mKeyguardDrawComplete="); pw.print(mKeyguardDrawComplete);
7815                pw.print(" mWindowManagerDrawComplete="); pw.println(mWindowManagerDrawComplete);
7816        pw.print(prefix); pw.print("mOrientationSensorEnabled=");
7817                pw.println(mOrientationSensorEnabled);
7818        pw.print(prefix); pw.print("mOverscanScreen=("); pw.print(mOverscanScreenLeft);
7819                pw.print(","); pw.print(mOverscanScreenTop);
7820                pw.print(") "); pw.print(mOverscanScreenWidth);
7821                pw.print("x"); pw.println(mOverscanScreenHeight);
7822        if (mOverscanLeft != 0 || mOverscanTop != 0
7823                || mOverscanRight != 0 || mOverscanBottom != 0) {
7824            pw.print(prefix); pw.print("mOverscan left="); pw.print(mOverscanLeft);
7825                    pw.print(" top="); pw.print(mOverscanTop);
7826                    pw.print(" right="); pw.print(mOverscanRight);
7827                    pw.print(" bottom="); pw.println(mOverscanBottom);
7828        }
7829        pw.print(prefix); pw.print("mRestrictedOverscanScreen=(");
7830                pw.print(mRestrictedOverscanScreenLeft);
7831                pw.print(","); pw.print(mRestrictedOverscanScreenTop);
7832                pw.print(") "); pw.print(mRestrictedOverscanScreenWidth);
7833                pw.print("x"); pw.println(mRestrictedOverscanScreenHeight);
7834        pw.print(prefix); pw.print("mUnrestrictedScreen=("); pw.print(mUnrestrictedScreenLeft);
7835                pw.print(","); pw.print(mUnrestrictedScreenTop);
7836                pw.print(") "); pw.print(mUnrestrictedScreenWidth);
7837                pw.print("x"); pw.println(mUnrestrictedScreenHeight);
7838        pw.print(prefix); pw.print("mRestrictedScreen=("); pw.print(mRestrictedScreenLeft);
7839                pw.print(","); pw.print(mRestrictedScreenTop);
7840                pw.print(") "); pw.print(mRestrictedScreenWidth);
7841                pw.print("x"); pw.println(mRestrictedScreenHeight);
7842        pw.print(prefix); pw.print("mStableFullscreen=("); pw.print(mStableFullscreenLeft);
7843                pw.print(","); pw.print(mStableFullscreenTop);
7844                pw.print(")-("); pw.print(mStableFullscreenRight);
7845                pw.print(","); pw.print(mStableFullscreenBottom); pw.println(")");
7846        pw.print(prefix); pw.print("mStable=("); pw.print(mStableLeft);
7847                pw.print(","); pw.print(mStableTop);
7848                pw.print(")-("); pw.print(mStableRight);
7849                pw.print(","); pw.print(mStableBottom); pw.println(")");
7850        pw.print(prefix); pw.print("mSystem=("); pw.print(mSystemLeft);
7851                pw.print(","); pw.print(mSystemTop);
7852                pw.print(")-("); pw.print(mSystemRight);
7853                pw.print(","); pw.print(mSystemBottom); pw.println(")");
7854        pw.print(prefix); pw.print("mCur=("); pw.print(mCurLeft);
7855                pw.print(","); pw.print(mCurTop);
7856                pw.print(")-("); pw.print(mCurRight);
7857                pw.print(","); pw.print(mCurBottom); pw.println(")");
7858        pw.print(prefix); pw.print("mContent=("); pw.print(mContentLeft);
7859                pw.print(","); pw.print(mContentTop);
7860                pw.print(")-("); pw.print(mContentRight);
7861                pw.print(","); pw.print(mContentBottom); pw.println(")");
7862        pw.print(prefix); pw.print("mVoiceContent=("); pw.print(mVoiceContentLeft);
7863                pw.print(","); pw.print(mVoiceContentTop);
7864                pw.print(")-("); pw.print(mVoiceContentRight);
7865                pw.print(","); pw.print(mVoiceContentBottom); pw.println(")");
7866        pw.print(prefix); pw.print("mDock=("); pw.print(mDockLeft);
7867                pw.print(","); pw.print(mDockTop);
7868                pw.print(")-("); pw.print(mDockRight);
7869                pw.print(","); pw.print(mDockBottom); pw.println(")");
7870        pw.print(prefix); pw.print("mDockLayer="); pw.print(mDockLayer);
7871                pw.print(" mStatusBarLayer="); pw.println(mStatusBarLayer);
7872        pw.print(prefix); pw.print("mShowingLockscreen="); pw.print(mShowingLockscreen);
7873                pw.print(" mShowingDream="); pw.print(mShowingDream);
7874                pw.print(" mDreamingLockscreen="); pw.print(mDreamingLockscreen);
7875                pw.print(" mDreamingSleepToken="); pw.println(mDreamingSleepToken);
7876        if (mLastInputMethodWindow != null) {
7877            pw.print(prefix); pw.print("mLastInputMethodWindow=");
7878                    pw.println(mLastInputMethodWindow);
7879        }
7880        if (mLastInputMethodTargetWindow != null) {
7881            pw.print(prefix); pw.print("mLastInputMethodTargetWindow=");
7882                    pw.println(mLastInputMethodTargetWindow);
7883        }
7884        if (mStatusBar != null) {
7885            pw.print(prefix); pw.print("mStatusBar=");
7886                    pw.print(mStatusBar); pw.print(" isStatusBarKeyguard=");
7887                    pw.println(isStatusBarKeyguard());
7888        }
7889        if (mNavigationBar != null) {
7890            pw.print(prefix); pw.print("mNavigationBar=");
7891                    pw.println(mNavigationBar);
7892        }
7893        if (mFocusedWindow != null) {
7894            pw.print(prefix); pw.print("mFocusedWindow=");
7895                    pw.println(mFocusedWindow);
7896        }
7897        if (mFocusedApp != null) {
7898            pw.print(prefix); pw.print("mFocusedApp=");
7899                    pw.println(mFocusedApp);
7900        }
7901        if (mWinDismissingKeyguard != null) {
7902            pw.print(prefix); pw.print("mWinDismissingKeyguard=");
7903                    pw.println(mWinDismissingKeyguard);
7904        }
7905        if (mTopFullscreenOpaqueWindowState != null) {
7906            pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
7907                    pw.println(mTopFullscreenOpaqueWindowState);
7908        }
7909        if (mTopFullscreenOpaqueOrDimmingWindowState != null) {
7910            pw.print(prefix); pw.print("mTopFullscreenOpaqueOrDimmingWindowState=");
7911                    pw.println(mTopFullscreenOpaqueOrDimmingWindowState);
7912        }
7913        if (mForcingShowNavBar) {
7914            pw.print(prefix); pw.print("mForcingShowNavBar=");
7915                    pw.println(mForcingShowNavBar); pw.print( "mForcingShowNavBarLayer=");
7916                    pw.println(mForcingShowNavBarLayer);
7917        }
7918        pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
7919                pw.print(" mHideLockScreen="); pw.println(mHideLockScreen);
7920        pw.print(prefix); pw.print("mForceStatusBar="); pw.print(mForceStatusBar);
7921                pw.print(" mForceStatusBarFromKeyguard=");
7922                pw.println(mForceStatusBarFromKeyguard);
7923        pw.print(prefix); pw.print("mDismissKeyguard="); pw.print(mDismissKeyguard);
7924                pw.print(" mWinDismissingKeyguard="); pw.print(mWinDismissingKeyguard);
7925                pw.print(" mHomePressed="); pw.println(mHomePressed);
7926        pw.print(prefix); pw.print("mAllowLockscreenWhenOn="); pw.print(mAllowLockscreenWhenOn);
7927                pw.print(" mLockScreenTimeout="); pw.print(mLockScreenTimeout);
7928                pw.print(" mLockScreenTimerActive="); pw.println(mLockScreenTimerActive);
7929        pw.print(prefix); pw.print("mEndcallBehavior="); pw.print(mEndcallBehavior);
7930                pw.print(" mIncallPowerBehavior="); pw.print(mIncallPowerBehavior);
7931                pw.print(" mLongPressOnHomeBehavior="); pw.println(mLongPressOnHomeBehavior);
7932        pw.print(prefix); pw.print("mLandscapeRotation="); pw.print(mLandscapeRotation);
7933                pw.print(" mSeascapeRotation="); pw.println(mSeascapeRotation);
7934        pw.print(prefix); pw.print("mPortraitRotation="); pw.print(mPortraitRotation);
7935                pw.print(" mUpsideDownRotation="); pw.println(mUpsideDownRotation);
7936        pw.print(prefix); pw.print("mDemoHdmiRotation="); pw.print(mDemoHdmiRotation);
7937                pw.print(" mDemoHdmiRotationLock="); pw.println(mDemoHdmiRotationLock);
7938        pw.print(prefix); pw.print("mUndockedHdmiRotation="); pw.println(mUndockedHdmiRotation);
7939
7940        mGlobalKeyManager.dump(prefix, pw);
7941        mStatusBarController.dump(pw, prefix);
7942        mNavigationBarController.dump(pw, prefix);
7943        PolicyControl.dump(prefix, pw);
7944
7945        if (mWakeGestureListener != null) {
7946            mWakeGestureListener.dump(pw, prefix);
7947        }
7948        if (mOrientationListener != null) {
7949            mOrientationListener.dump(pw, prefix);
7950        }
7951        if (mBurnInProtectionHelper != null) {
7952            mBurnInProtectionHelper.dump(prefix, pw);
7953        }
7954        if (mKeyguardDelegate != null) {
7955            mKeyguardDelegate.dump(prefix, pw);
7956        }
7957    }
7958}
7959