PhoneWindowManager.java revision d11d1a9486d44b98e28b70c25711ebfc283b746e 
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            case TYPE_SCREENSHOT:
2233                attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE;
2234                break;
2235        }
2236
2237        if (attrs.type != TYPE_STATUS_BAR) {
2238            // The status bar is the only window allowed to exhibit keyguard behavior.
2239            attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2240        }
2241
2242        if (ActivityManager.isHighEndGfx()) {
2243            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0) {
2244                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
2245            }
2246            final boolean forceWindowDrawsStatusBarBackground =
2247                    (attrs.privateFlags & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND)
2248                            != 0;
2249            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0
2250                    || forceWindowDrawsStatusBarBackground
2251                            && attrs.height == MATCH_PARENT && attrs.width == MATCH_PARENT) {
2252                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
2253            }
2254        }
2255    }
2256
2257    void readLidState() {
2258        mLidState = mWindowManagerFuncs.getLidState();
2259    }
2260
2261    private void readCameraLensCoverState() {
2262        mCameraLensCoverState = mWindowManagerFuncs.getCameraLensCoverState();
2263    }
2264
2265    private boolean isHidden(int accessibilityMode) {
2266        switch (accessibilityMode) {
2267            case 1:
2268                return mLidState == LID_CLOSED;
2269            case 2:
2270                return mLidState == LID_OPEN;
2271            default:
2272                return false;
2273        }
2274    }
2275
2276    /** {@inheritDoc} */
2277    @Override
2278    public void adjustConfigurationLw(Configuration config, int keyboardPresence,
2279            int navigationPresence) {
2280        mHaveBuiltInKeyboard = (keyboardPresence & PRESENCE_INTERNAL) != 0;
2281
2282        readConfigurationDependentBehaviors();
2283        readLidState();
2284
2285        if (config.keyboard == Configuration.KEYBOARD_NOKEYS
2286                || (keyboardPresence == PRESENCE_INTERNAL
2287                        && isHidden(mLidKeyboardAccessibility))) {
2288            config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_YES;
2289            if (!mHasSoftInput) {
2290                config.keyboardHidden = Configuration.KEYBOARDHIDDEN_YES;
2291            }
2292        }
2293
2294        if (config.navigation == Configuration.NAVIGATION_NONAV
2295                || (navigationPresence == PRESENCE_INTERNAL
2296                        && isHidden(mLidNavigationAccessibility))) {
2297            config.navigationHidden = Configuration.NAVIGATIONHIDDEN_YES;
2298        }
2299    }
2300
2301    @Override
2302    public void onConfigurationChanged() {
2303        final Resources res = mContext.getResources();
2304
2305        mStatusBarHeight =
2306                res.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
2307
2308        // Height of the navigation bar when presented horizontally at bottom
2309        mNavigationBarHeightForRotationDefault[mPortraitRotation] =
2310        mNavigationBarHeightForRotationDefault[mUpsideDownRotation] =
2311                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_height);
2312        mNavigationBarHeightForRotationDefault[mLandscapeRotation] =
2313        mNavigationBarHeightForRotationDefault[mSeascapeRotation] = res.getDimensionPixelSize(
2314                com.android.internal.R.dimen.navigation_bar_height_landscape);
2315
2316        // Width of the navigation bar when presented vertically along one side
2317        mNavigationBarWidthForRotationDefault[mPortraitRotation] =
2318        mNavigationBarWidthForRotationDefault[mUpsideDownRotation] =
2319        mNavigationBarWidthForRotationDefault[mLandscapeRotation] =
2320        mNavigationBarWidthForRotationDefault[mSeascapeRotation] =
2321                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_width);
2322
2323        // Height of the navigation bar when presented horizontally at bottom
2324        mNavigationBarHeightForRotationInCarMode[mPortraitRotation] =
2325        mNavigationBarHeightForRotationInCarMode[mUpsideDownRotation] =
2326                res.getDimensionPixelSize(
2327                        com.android.internal.R.dimen.navigation_bar_height_car_mode);
2328        mNavigationBarHeightForRotationInCarMode[mLandscapeRotation] =
2329        mNavigationBarHeightForRotationInCarMode[mSeascapeRotation] = res.getDimensionPixelSize(
2330                com.android.internal.R.dimen.navigation_bar_height_landscape_car_mode);
2331
2332        // Width of the navigation bar when presented vertically along one side
2333        mNavigationBarWidthForRotationInCarMode[mPortraitRotation] =
2334        mNavigationBarWidthForRotationInCarMode[mUpsideDownRotation] =
2335        mNavigationBarWidthForRotationInCarMode[mLandscapeRotation] =
2336        mNavigationBarWidthForRotationInCarMode[mSeascapeRotation] =
2337                res.getDimensionPixelSize(
2338                        com.android.internal.R.dimen.navigation_bar_width_car_mode);
2339    }
2340
2341    /** {@inheritDoc} */
2342    @Override
2343    public int windowTypeToLayerLw(int type) {
2344        if (type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW) {
2345            return 2;
2346        }
2347        switch (type) {
2348        case TYPE_PRIVATE_PRESENTATION:
2349            return 2;
2350        case TYPE_WALLPAPER:
2351            // wallpaper is at the bottom, though the window manager may move it.
2352            return 2;
2353        case TYPE_DOCK_DIVIDER:
2354            return 2;
2355        case TYPE_QS_DIALOG:
2356            return 2;
2357        case TYPE_PHONE:
2358            return 3;
2359        case TYPE_SEARCH_BAR:
2360        case TYPE_VOICE_INTERACTION_STARTING:
2361            return 4;
2362        case TYPE_VOICE_INTERACTION:
2363            // voice interaction layer is almost immediately above apps.
2364            return 5;
2365        case TYPE_INPUT_CONSUMER:
2366            return 6;
2367        case TYPE_SYSTEM_DIALOG:
2368            return 7;
2369        case TYPE_TOAST:
2370            // toasts and the plugged-in battery thing
2371            return 8;
2372        case TYPE_PRIORITY_PHONE:
2373            // SIM errors and unlock.  Not sure if this really should be in a high layer.
2374            return 9;
2375        case TYPE_DREAM:
2376            // used for Dreams (screensavers with TYPE_DREAM windows)
2377            return 10;
2378        case TYPE_SYSTEM_ALERT:
2379            // like the ANR / app crashed dialogs
2380            return 11;
2381        case TYPE_INPUT_METHOD:
2382            // on-screen keyboards and other such input method user interfaces go here.
2383            return 12;
2384        case TYPE_INPUT_METHOD_DIALOG:
2385            // on-screen keyboards and other such input method user interfaces go here.
2386            return 13;
2387        case TYPE_KEYGUARD_SCRIM:
2388            // the safety window that shows behind keyguard while keyguard is starting
2389            return 14;
2390        case TYPE_STATUS_BAR_SUB_PANEL:
2391            return 15;
2392        case TYPE_STATUS_BAR:
2393            return 16;
2394        case TYPE_STATUS_BAR_PANEL:
2395            return 17;
2396        case TYPE_KEYGUARD_DIALOG:
2397            return 18;
2398        case TYPE_VOLUME_OVERLAY:
2399            // the on-screen volume indicator and controller shown when the user
2400            // changes the device volume
2401            return 19;
2402        case TYPE_SYSTEM_OVERLAY:
2403            // the on-screen volume indicator and controller shown when the user
2404            // changes the device volume
2405            return 20;
2406        case TYPE_NAVIGATION_BAR:
2407            // the navigation bar, if available, shows atop most things
2408            return 21;
2409        case TYPE_NAVIGATION_BAR_PANEL:
2410            // some panels (e.g. search) need to show on top of the navigation bar
2411            return 22;
2412        case TYPE_SCREENSHOT:
2413            // screenshot selection layer shouldn't go above system error, but it should cover
2414            // navigation bars at the very least.
2415            return 23;
2416        case TYPE_SYSTEM_ERROR:
2417            // system-level error dialogs
2418            return 24;
2419        case TYPE_MAGNIFICATION_OVERLAY:
2420            // used to highlight the magnified portion of a display
2421            return 25;
2422        case TYPE_DISPLAY_OVERLAY:
2423            // used to simulate secondary display devices
2424            return 26;
2425        case TYPE_DRAG:
2426            // the drag layer: input for drag-and-drop is associated with this window,
2427            // which sits above all other focusable windows
2428            return 27;
2429        case TYPE_ACCESSIBILITY_OVERLAY:
2430            // overlay put by accessibility services to intercept user interaction
2431            return 28;
2432        case TYPE_SECURE_SYSTEM_OVERLAY:
2433            return 29;
2434        case TYPE_BOOT_PROGRESS:
2435            return 30;
2436        case TYPE_POINTER:
2437            // the (mouse) pointer layer
2438            return 31;
2439        }
2440        Log.e(TAG, "Unknown window type: " + type);
2441        return 2;
2442    }
2443
2444    /** {@inheritDoc} */
2445    @Override
2446    public int subWindowTypeToLayerLw(int type) {
2447        switch (type) {
2448        case TYPE_APPLICATION_PANEL:
2449        case TYPE_APPLICATION_ATTACHED_DIALOG:
2450            return APPLICATION_PANEL_SUBLAYER;
2451        case TYPE_APPLICATION_MEDIA:
2452            return APPLICATION_MEDIA_SUBLAYER;
2453        case TYPE_APPLICATION_MEDIA_OVERLAY:
2454            return APPLICATION_MEDIA_OVERLAY_SUBLAYER;
2455        case TYPE_APPLICATION_SUB_PANEL:
2456            return APPLICATION_SUB_PANEL_SUBLAYER;
2457        case TYPE_APPLICATION_ABOVE_SUB_PANEL:
2458            return APPLICATION_ABOVE_SUB_PANEL_SUBLAYER;
2459        }
2460        Log.e(TAG, "Unknown sub-window type: " + type);
2461        return 0;
2462    }
2463
2464    @Override
2465    public int getMaxWallpaperLayer() {
2466        return windowTypeToLayerLw(TYPE_STATUS_BAR);
2467    }
2468
2469    private int getNavigationBarWidth(int rotation, int uiMode) {
2470        if ((uiMode & UI_MODE_TYPE_MASK) == UI_MODE_TYPE_CAR) {
2471            return mNavigationBarWidthForRotationInCarMode[rotation];
2472        } else {
2473            return mNavigationBarWidthForRotationDefault[rotation];
2474        }
2475    }
2476
2477    @Override
2478    public int getNonDecorDisplayWidth(int fullWidth, int fullHeight, int rotation,
2479            int uiMode) {
2480        if (mHasNavigationBar) {
2481            // For a basic navigation bar, when we are in landscape mode we place
2482            // the navigation bar to the side.
2483            if (mNavigationBarCanMove && fullWidth > fullHeight) {
2484                return fullWidth - getNavigationBarWidth(rotation, uiMode);
2485            }
2486        }
2487        return fullWidth;
2488    }
2489
2490    private int getNavigationBarHeight(int rotation, int uiMode) {
2491        if ((uiMode & UI_MODE_TYPE_MASK) == UI_MODE_TYPE_CAR) {
2492            return mNavigationBarHeightForRotationInCarMode[rotation];
2493        } else {
2494            return mNavigationBarHeightForRotationDefault[rotation];
2495        }
2496    }
2497
2498    @Override
2499    public int getNonDecorDisplayHeight(int fullWidth, int fullHeight, int rotation,
2500            int uiMode) {
2501        if (mHasNavigationBar) {
2502            // For a basic navigation bar, when we are in portrait mode we place
2503            // the navigation bar to the bottom.
2504            if (!mNavigationBarCanMove || fullWidth < fullHeight) {
2505                return fullHeight - getNavigationBarHeight(rotation, uiMode);
2506            }
2507        }
2508        return fullHeight;
2509    }
2510
2511    @Override
2512    public int getConfigDisplayWidth(int fullWidth, int fullHeight, int rotation, int uiMode) {
2513        return getNonDecorDisplayWidth(fullWidth, fullHeight, rotation, uiMode);
2514    }
2515
2516    @Override
2517    public int getConfigDisplayHeight(int fullWidth, int fullHeight, int rotation, int uiMode) {
2518        // There is a separate status bar at the top of the display.  We don't count that as part
2519        // of the fixed decor, since it can hide; however, for purposes of configurations,
2520        // we do want to exclude it since applications can't generally use that part
2521        // of the screen.
2522        return getNonDecorDisplayHeight(
2523                fullWidth, fullHeight, rotation, uiMode) - mStatusBarHeight;
2524    }
2525
2526    @Override
2527    public boolean isForceHiding(WindowManager.LayoutParams attrs) {
2528        return (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 ||
2529                (isKeyguardHostWindow(attrs) &&
2530                        (mKeyguardDelegate != null && mKeyguardDelegate.isShowing())) ||
2531                (attrs.type == TYPE_KEYGUARD_SCRIM);
2532    }
2533
2534    @Override
2535    public boolean isKeyguardHostWindow(WindowManager.LayoutParams attrs) {
2536        return attrs.type == TYPE_STATUS_BAR;
2537    }
2538
2539    @Override
2540    public boolean canBeForceHidden(WindowState win, WindowManager.LayoutParams attrs) {
2541        switch (attrs.type) {
2542            case TYPE_STATUS_BAR:
2543            case TYPE_NAVIGATION_BAR:
2544            case TYPE_WALLPAPER:
2545            case TYPE_DREAM:
2546            case TYPE_KEYGUARD_SCRIM:
2547                return false;
2548            default:
2549                // Hide only windows below the keyguard host window.
2550                return windowTypeToLayerLw(win.getBaseType())
2551                        < windowTypeToLayerLw(TYPE_STATUS_BAR);
2552        }
2553    }
2554
2555    @Override
2556    public WindowState getWinShowWhenLockedLw() {
2557        return mWinShowWhenLocked;
2558    }
2559
2560    /** {@inheritDoc} */
2561    @Override
2562    public View addStartingWindow(IBinder appToken, String packageName, int theme,
2563            CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes,
2564            int icon, int logo, int windowFlags, Configuration overrideConfig) {
2565        if (!SHOW_STARTING_ANIMATIONS) {
2566            return null;
2567        }
2568        if (packageName == null) {
2569            return null;
2570        }
2571
2572        WindowManager wm = null;
2573        View view = null;
2574
2575        try {
2576            Context context = mContext;
2577            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow " + packageName
2578                    + ": nonLocalizedLabel=" + nonLocalizedLabel + " theme="
2579                    + Integer.toHexString(theme));
2580            if (theme != context.getThemeResId() || labelRes != 0) {
2581                try {
2582                    context = context.createPackageContext(packageName, 0);
2583                    context.setTheme(theme);
2584                } catch (PackageManager.NameNotFoundException e) {
2585                    // Ignore
2586                }
2587            }
2588
2589            if (overrideConfig != null && overrideConfig != EMPTY) {
2590                if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow: creating context based"
2591                        + " on overrideConfig" + overrideConfig + " for starting window");
2592                final Context overrideContext = context.createConfigurationContext(overrideConfig);
2593                overrideContext.setTheme(theme);
2594                final TypedArray typedArray = overrideContext.obtainStyledAttributes(
2595                        com.android.internal.R.styleable.Window);
2596                final int resId = typedArray.getResourceId(R.styleable.Window_windowBackground, 0);
2597                if (resId != 0 && overrideContext.getDrawable(resId) != null) {
2598                    // We want to use the windowBackground for the override context if it is
2599                    // available, otherwise we use the default one to make sure a themed starting
2600                    // window is displayed for the app.
2601                    if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow: apply overrideConfig"
2602                            + overrideConfig + " to starting window resId=" + resId);
2603                    context = overrideContext;
2604                }
2605            }
2606
2607            final PhoneWindow win = new PhoneWindow(context);
2608            win.setIsStartingWindow(true);
2609
2610            CharSequence label = context.getResources().getText(labelRes, null);
2611            // Only change the accessibility title if the label is localized
2612            if (label != null) {
2613                win.setTitle(label, true);
2614            } else {
2615                win.setTitle(nonLocalizedLabel, false);
2616            }
2617
2618            win.setType(
2619                WindowManager.LayoutParams.TYPE_APPLICATION_STARTING);
2620
2621            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
2622                // Assumes it's safe to show starting windows of launched apps while
2623                // the keyguard is being hidden. This is okay because starting windows never show
2624                // secret information.
2625                if (mKeyguardHidden) {
2626                    windowFlags |= FLAG_SHOW_WHEN_LOCKED;
2627                }
2628            }
2629
2630            // Force the window flags: this is a fake window, so it is not really
2631            // touchable or focusable by the user.  We also add in the ALT_FOCUSABLE_IM
2632            // flag because we do know that the next window will take input
2633            // focus, so we want to get the IME window up on top of us right away.
2634            win.setFlags(
2635                windowFlags|
2636                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2637                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2638                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
2639                windowFlags|
2640                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2641                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2642                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
2643
2644            win.setDefaultIcon(icon);
2645            win.setDefaultLogo(logo);
2646
2647            win.setLayout(WindowManager.LayoutParams.MATCH_PARENT,
2648                    WindowManager.LayoutParams.MATCH_PARENT);
2649
2650            final WindowManager.LayoutParams params = win.getAttributes();
2651            params.token = appToken;
2652            params.packageName = packageName;
2653            params.windowAnimations = win.getWindowStyle().getResourceId(
2654                    com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
2655            params.privateFlags |=
2656                    WindowManager.LayoutParams.PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED;
2657            params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
2658
2659            if (!compatInfo.supportsScreen()) {
2660                params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW;
2661            }
2662
2663            params.setTitle("Starting " + packageName);
2664
2665            wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
2666            view = win.getDecorView();
2667
2668            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "Adding starting window for "
2669                + packageName + " / " + appToken + ": " + (view.getParent() != null ? view : null));
2670
2671            wm.addView(view, params);
2672
2673            // Only return the view if it was successfully added to the
2674            // window manager... which we can tell by it having a parent.
2675            return view.getParent() != null ? view : null;
2676        } catch (WindowManager.BadTokenException e) {
2677            // ignore
2678            Log.w(TAG, appToken + " already running, starting window not displayed. " +
2679                    e.getMessage());
2680        } catch (RuntimeException e) {
2681            // don't crash if something else bad happens, for example a
2682            // failure loading resources because we are loading from an app
2683            // on external storage that has been unmounted.
2684            Log.w(TAG, appToken + " failed creating starting window", e);
2685        } finally {
2686            if (view != null && view.getParent() == null) {
2687                Log.w(TAG, "view not successfully added to wm, removing view");
2688                wm.removeViewImmediate(view);
2689            }
2690        }
2691
2692        return null;
2693    }
2694
2695    /** {@inheritDoc} */
2696    @Override
2697    public void removeStartingWindow(IBinder appToken, View window) {
2698        if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Removing starting window for " + appToken + ": "
2699                + window + " Callers=" + Debug.getCallers(4));
2700
2701        if (window != null) {
2702            WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
2703            wm.removeView(window);
2704        }
2705    }
2706
2707    /**
2708     * Preflight adding a window to the system.
2709     *
2710     * Currently enforces that three window types are singletons:
2711     * <ul>
2712     * <li>STATUS_BAR_TYPE</li>
2713     * <li>KEYGUARD_TYPE</li>
2714     * </ul>
2715     *
2716     * @param win The window to be added
2717     * @param attrs Information about the window to be added
2718     *
2719     * @return If ok, WindowManagerImpl.ADD_OKAY.  If too many singletons,
2720     * WindowManagerImpl.ADD_MULTIPLE_SINGLETON
2721     */
2722    @Override
2723    public int prepareAddWindowLw(WindowState win, WindowManager.LayoutParams attrs) {
2724        switch (attrs.type) {
2725            case TYPE_STATUS_BAR:
2726                mContext.enforceCallingOrSelfPermission(
2727                        android.Manifest.permission.STATUS_BAR_SERVICE,
2728                        "PhoneWindowManager");
2729                if (mStatusBar != null) {
2730                    if (mStatusBar.isAlive()) {
2731                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2732                    }
2733                }
2734                mStatusBar = win;
2735                mStatusBarController.setWindow(win);
2736                break;
2737            case TYPE_NAVIGATION_BAR:
2738                mContext.enforceCallingOrSelfPermission(
2739                        android.Manifest.permission.STATUS_BAR_SERVICE,
2740                        "PhoneWindowManager");
2741                if (mNavigationBar != null) {
2742                    if (mNavigationBar.isAlive()) {
2743                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2744                    }
2745                }
2746                mNavigationBar = win;
2747                mNavigationBarController.setWindow(win);
2748                if (DEBUG_LAYOUT) Slog.i(TAG, "NAVIGATION BAR: " + mNavigationBar);
2749                break;
2750            case TYPE_NAVIGATION_BAR_PANEL:
2751            case TYPE_STATUS_BAR_PANEL:
2752            case TYPE_STATUS_BAR_SUB_PANEL:
2753            case TYPE_VOICE_INTERACTION_STARTING:
2754                mContext.enforceCallingOrSelfPermission(
2755                        android.Manifest.permission.STATUS_BAR_SERVICE,
2756                        "PhoneWindowManager");
2757                break;
2758            case TYPE_KEYGUARD_SCRIM:
2759                if (mKeyguardScrim != null) {
2760                    return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2761                }
2762                mKeyguardScrim = win;
2763                break;
2764        }
2765        return WindowManagerGlobal.ADD_OKAY;
2766    }
2767
2768    /** {@inheritDoc} */
2769    @Override
2770    public void removeWindowLw(WindowState win) {
2771        if (mStatusBar == win) {
2772            mStatusBar = null;
2773            mStatusBarController.setWindow(null);
2774            mKeyguardDelegate.showScrim();
2775        } else if (mKeyguardScrim == win) {
2776            Log.v(TAG, "Removing keyguard scrim");
2777            mKeyguardScrim = null;
2778        } if (mNavigationBar == win) {
2779            mNavigationBar = null;
2780            mNavigationBarController.setWindow(null);
2781        }
2782    }
2783
2784    static final boolean PRINT_ANIM = false;
2785
2786    /** {@inheritDoc} */
2787    @Override
2788    public int selectAnimationLw(WindowState win, int transit) {
2789        if (PRINT_ANIM) Log.i(TAG, "selectAnimation in " + win
2790              + ": transit=" + transit);
2791        if (win == mStatusBar) {
2792            boolean isKeyguard = (win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
2793            if (transit == TRANSIT_EXIT
2794                    || transit == TRANSIT_HIDE) {
2795                return isKeyguard ? -1 : R.anim.dock_top_exit;
2796            } else if (transit == TRANSIT_ENTER
2797                    || transit == TRANSIT_SHOW) {
2798                return isKeyguard ? -1 : R.anim.dock_top_enter;
2799            }
2800        } else if (win == mNavigationBar) {
2801            if (win.getAttrs().windowAnimations != 0) {
2802                return 0;
2803            }
2804            // This can be on either the bottom or the right or the left.
2805            if (mNavigationBarPosition == NAV_BAR_BOTTOM) {
2806                if (transit == TRANSIT_EXIT
2807                        || transit == TRANSIT_HIDE) {
2808                    return R.anim.dock_bottom_exit;
2809                } else if (transit == TRANSIT_ENTER
2810                        || transit == TRANSIT_SHOW) {
2811                    return R.anim.dock_bottom_enter;
2812                }
2813            } else if (mNavigationBarPosition == NAV_BAR_RIGHT) {
2814                if (transit == TRANSIT_EXIT
2815                        || transit == TRANSIT_HIDE) {
2816                    return R.anim.dock_right_exit;
2817                } else if (transit == TRANSIT_ENTER
2818                        || transit == TRANSIT_SHOW) {
2819                    return R.anim.dock_right_enter;
2820                }
2821            } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
2822                if (transit == TRANSIT_EXIT
2823                        || transit == TRANSIT_HIDE) {
2824                    return R.anim.dock_left_exit;
2825                } else if (transit == TRANSIT_ENTER
2826                        || transit == TRANSIT_SHOW) {
2827                    return R.anim.dock_left_enter;
2828                }
2829            }
2830        } else if (win.getAttrs().type == TYPE_DOCK_DIVIDER) {
2831            return selectDockedDividerAnimationLw(win, transit);
2832        }
2833
2834        if (transit == TRANSIT_PREVIEW_DONE) {
2835            if (win.hasAppShownWindows()) {
2836                if (PRINT_ANIM) Log.i(TAG, "**** STARTING EXIT");
2837                return com.android.internal.R.anim.app_starting_exit;
2838            }
2839        } else if (win.getAttrs().type == TYPE_DREAM && mDreamingLockscreen
2840                && transit == TRANSIT_ENTER) {
2841            // Special case: we are animating in a dream, while the keyguard
2842            // is shown.  We don't want an animation on the dream, because
2843            // we need it shown immediately with the keyguard animating away
2844            // to reveal it.
2845            return -1;
2846        }
2847
2848        return 0;
2849    }
2850
2851    private int selectDockedDividerAnimationLw(WindowState win, int transit) {
2852        int insets = mWindowManagerFuncs.getDockedDividerInsetsLw();
2853
2854        // If the divider is behind the navigation bar, don't animate.
2855        final Rect frame = win.getFrameLw();
2856        final boolean behindNavBar = mNavigationBar != null
2857                && ((mNavigationBarPosition == NAV_BAR_BOTTOM
2858                        && frame.top + insets >= mNavigationBar.getFrameLw().top)
2859                || (mNavigationBarPosition == NAV_BAR_RIGHT
2860                        && frame.left + insets >= mNavigationBar.getFrameLw().left)
2861                || (mNavigationBarPosition == NAV_BAR_LEFT
2862                        && frame.right - insets <= mNavigationBar.getFrameLw().right));
2863        final boolean landscape = frame.height() > frame.width();
2864        final boolean offscreenLandscape = landscape && (frame.right - insets <= 0
2865                || frame.left + insets >= win.getDisplayFrameLw().right);
2866        final boolean offscreenPortrait = !landscape && (frame.top - insets <= 0
2867                || frame.bottom + insets >= win.getDisplayFrameLw().bottom);
2868        final boolean offscreen = offscreenLandscape || offscreenPortrait;
2869        if (behindNavBar || offscreen) {
2870            return 0;
2871        }
2872        if (transit == TRANSIT_ENTER || transit == TRANSIT_SHOW) {
2873            return R.anim.fade_in;
2874        } else if (transit == TRANSIT_EXIT) {
2875            return R.anim.fade_out;
2876        } else {
2877            return 0;
2878        }
2879    }
2880
2881    @Override
2882    public void selectRotationAnimationLw(int anim[]) {
2883        if (PRINT_ANIM) Slog.i(TAG, "selectRotationAnimation mTopFullscreen="
2884                + mTopFullscreenOpaqueWindowState + " rotationAnimation="
2885                + (mTopFullscreenOpaqueWindowState == null ?
2886                        "0" : mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation));
2887        if (mTopFullscreenOpaqueWindowState != null) {
2888            int animationHint = mTopFullscreenOpaqueWindowState.getRotationAnimationHint();
2889            if (animationHint < 0 && mTopIsFullscreen) {
2890                animationHint = mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation;
2891            }
2892            switch (animationHint) {
2893                case ROTATION_ANIMATION_CROSSFADE:
2894                    anim[0] = R.anim.rotation_animation_xfade_exit;
2895                    anim[1] = R.anim.rotation_animation_enter;
2896                    break;
2897                case ROTATION_ANIMATION_JUMPCUT:
2898                    anim[0] = R.anim.rotation_animation_jump_exit;
2899                    anim[1] = R.anim.rotation_animation_enter;
2900                    break;
2901                case ROTATION_ANIMATION_ROTATE:
2902                default:
2903                    anim[0] = anim[1] = 0;
2904                    break;
2905            }
2906        } else {
2907            anim[0] = anim[1] = 0;
2908        }
2909    }
2910
2911    @Override
2912    public boolean validateRotationAnimationLw(int exitAnimId, int enterAnimId,
2913            boolean forceDefault) {
2914        switch (exitAnimId) {
2915            case R.anim.rotation_animation_xfade_exit:
2916            case R.anim.rotation_animation_jump_exit:
2917                // These are the only cases that matter.
2918                if (forceDefault) {
2919                    return false;
2920                }
2921                int anim[] = new int[2];
2922                selectRotationAnimationLw(anim);
2923                return (exitAnimId == anim[0] && enterAnimId == anim[1]);
2924            default:
2925                return true;
2926        }
2927    }
2928
2929    @Override
2930    public Animation createForceHideEnterAnimation(boolean onWallpaper,
2931            boolean goingToNotificationShade) {
2932        if (goingToNotificationShade) {
2933            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_behind_enter_fade_in);
2934        }
2935
2936        AnimationSet set = (AnimationSet) AnimationUtils.loadAnimation(mContext, onWallpaper ?
2937                    R.anim.lock_screen_behind_enter_wallpaper :
2938                    R.anim.lock_screen_behind_enter);
2939
2940        // TODO: Use XML interpolators when we have log interpolators available in XML.
2941        final List<Animation> animations = set.getAnimations();
2942        for (int i = animations.size() - 1; i >= 0; --i) {
2943            animations.get(i).setInterpolator(mLogDecelerateInterpolator);
2944        }
2945
2946        return set;
2947    }
2948
2949
2950    @Override
2951    public Animation createForceHideWallpaperExitAnimation(boolean goingToNotificationShade) {
2952        if (goingToNotificationShade) {
2953            return null;
2954        } else {
2955            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_wallpaper_exit);
2956        }
2957    }
2958
2959    private static void awakenDreams() {
2960        IDreamManager dreamManager = getDreamManager();
2961        if (dreamManager != null) {
2962            try {
2963                dreamManager.awaken();
2964            } catch (RemoteException e) {
2965                // fine, stay asleep then
2966            }
2967        }
2968    }
2969
2970    static IDreamManager getDreamManager() {
2971        return IDreamManager.Stub.asInterface(
2972                ServiceManager.checkService(DreamService.DREAM_SERVICE));
2973    }
2974
2975    TelecomManager getTelecommService() {
2976        return (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE);
2977    }
2978
2979    static IAudioService getAudioService() {
2980        IAudioService audioService = IAudioService.Stub.asInterface(
2981                ServiceManager.checkService(Context.AUDIO_SERVICE));
2982        if (audioService == null) {
2983            Log.w(TAG, "Unable to find IAudioService interface.");
2984        }
2985        return audioService;
2986    }
2987
2988    boolean keyguardOn() {
2989        return isKeyguardShowingAndNotOccluded() || inKeyguardRestrictedKeyInputMode();
2990    }
2991
2992    private static final int[] WINDOW_TYPES_WHERE_HOME_DOESNT_WORK = {
2993            WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
2994            WindowManager.LayoutParams.TYPE_SYSTEM_ERROR,
2995        };
2996
2997    /** {@inheritDoc} */
2998    @Override
2999    public long interceptKeyBeforeDispatching(WindowState win, KeyEvent event, int policyFlags) {
3000        final boolean keyguardOn = keyguardOn();
3001        final int keyCode = event.getKeyCode();
3002        final int repeatCount = event.getRepeatCount();
3003        final int metaState = event.getMetaState();
3004        final int flags = event.getFlags();
3005        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
3006        final boolean canceled = event.isCanceled();
3007
3008        if (DEBUG_INPUT) {
3009            Log.d(TAG, "interceptKeyTi keyCode=" + keyCode + " down=" + down + " repeatCount="
3010                    + repeatCount + " keyguardOn=" + keyguardOn + " mHomePressed=" + mHomePressed
3011                    + " canceled=" + canceled);
3012        }
3013
3014        // If we think we might have a volume down & power key chord on the way
3015        // but we're not sure, then tell the dispatcher to wait a little while and
3016        // try again later before dispatching.
3017        if (mScreenshotChordEnabled && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
3018            if (mScreenshotChordVolumeDownKeyTriggered && !mScreenshotChordPowerKeyTriggered) {
3019                final long now = SystemClock.uptimeMillis();
3020                final long timeoutTime = mScreenshotChordVolumeDownKeyTime
3021                        + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
3022                if (now < timeoutTime) {
3023                    return timeoutTime - now;
3024                }
3025            }
3026            if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
3027                    && mScreenshotChordVolumeDownKeyConsumed) {
3028                if (!down) {
3029                    mScreenshotChordVolumeDownKeyConsumed = false;
3030                }
3031                return -1;
3032            }
3033        }
3034
3035        // Cancel any pending meta actions if we see any other keys being pressed between the down
3036        // of the meta key and its corresponding up.
3037        if (mPendingMetaAction && !KeyEvent.isMetaKey(keyCode)) {
3038            mPendingMetaAction = false;
3039        }
3040        // Any key that is not Alt or Meta cancels Caps Lock combo tracking.
3041        if (mPendingCapsLockToggle && !KeyEvent.isMetaKey(keyCode) && !KeyEvent.isAltKey(keyCode)) {
3042            mPendingCapsLockToggle = false;
3043        }
3044
3045        // First we always handle the home key here, so applications
3046        // can never break it, although if keyguard is on, we do let
3047        // it handle it, because that gives us the correct 5 second
3048        // timeout.
3049        if (keyCode == KeyEvent.KEYCODE_HOME) {
3050
3051            // If we have released the home key, and didn't do anything else
3052            // while it was pressed, then it is time to go home!
3053            if (!down) {
3054                cancelPreloadRecentApps();
3055
3056                mHomePressed = false;
3057                if (mHomeConsumed) {
3058                    mHomeConsumed = false;
3059                    return -1;
3060                }
3061
3062                if (canceled) {
3063                    Log.i(TAG, "Ignoring HOME; event canceled.");
3064                    return -1;
3065                }
3066
3067                // Delay handling home if a double-tap is possible.
3068                if (mDoubleTapOnHomeBehavior != DOUBLE_TAP_HOME_NOTHING) {
3069                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable); // just in case
3070                    mHomeDoubleTapPending = true;
3071                    mHandler.postDelayed(mHomeDoubleTapTimeoutRunnable,
3072                            ViewConfiguration.getDoubleTapTimeout());
3073                    return -1;
3074                }
3075
3076                handleShortPressOnHome();
3077                return -1;
3078            }
3079
3080            // If a system window has focus, then it doesn't make sense
3081            // right now to interact with applications.
3082            WindowManager.LayoutParams attrs = win != null ? win.getAttrs() : null;
3083            if (attrs != null) {
3084                final int type = attrs.type;
3085                if (type == WindowManager.LayoutParams.TYPE_KEYGUARD_SCRIM
3086                        || type == WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG
3087                        || (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
3088                    // the "app" is keyguard, so give it the key
3089                    return 0;
3090                }
3091                final int typeCount = WINDOW_TYPES_WHERE_HOME_DOESNT_WORK.length;
3092                for (int i=0; i<typeCount; i++) {
3093                    if (type == WINDOW_TYPES_WHERE_HOME_DOESNT_WORK[i]) {
3094                        // don't do anything, but also don't pass it to the app
3095                        return -1;
3096                    }
3097                }
3098            }
3099
3100            // Remember that home is pressed and handle special actions.
3101            if (repeatCount == 0) {
3102                mHomePressed = true;
3103                if (mHomeDoubleTapPending) {
3104                    mHomeDoubleTapPending = false;
3105                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable);
3106                    handleDoubleTapOnHome();
3107                } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI
3108                        || mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
3109                    preloadRecentApps();
3110                }
3111            } else if ((event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) {
3112                if (!keyguardOn) {
3113                    handleLongPressOnHome(event.getDeviceId());
3114                }
3115            }
3116            return -1;
3117        } else if (keyCode == KeyEvent.KEYCODE_MENU) {
3118            // Hijack modified menu keys for debugging features
3119            final int chordBug = KeyEvent.META_SHIFT_ON;
3120
3121            if (down && repeatCount == 0) {
3122                if (mEnableShiftMenuBugReports && (metaState & chordBug) == chordBug) {
3123                    Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
3124                    mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT,
3125                            null, null, null, 0, null, null);
3126                    return -1;
3127                } else if (SHOW_PROCESSES_ON_ALT_MENU &&
3128                        (metaState & KeyEvent.META_ALT_ON) == KeyEvent.META_ALT_ON) {
3129                    Intent service = new Intent();
3130                    service.setClassName(mContext, "com.android.server.LoadAverageService");
3131                    ContentResolver res = mContext.getContentResolver();
3132                    boolean shown = Settings.Global.getInt(
3133                            res, Settings.Global.SHOW_PROCESSES, 0) != 0;
3134                    if (!shown) {
3135                        mContext.startService(service);
3136                    } else {
3137                        mContext.stopService(service);
3138                    }
3139                    Settings.Global.putInt(
3140                            res, Settings.Global.SHOW_PROCESSES, shown ? 0 : 1);
3141                    return -1;
3142                }
3143            }
3144        } else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
3145            if (down) {
3146                if (repeatCount == 0) {
3147                    mSearchKeyShortcutPending = true;
3148                    mConsumeSearchKeyUp = false;
3149                }
3150            } else {
3151                mSearchKeyShortcutPending = false;
3152                if (mConsumeSearchKeyUp) {
3153                    mConsumeSearchKeyUp = false;
3154                    return -1;
3155                }
3156            }
3157            return 0;
3158        } else if (keyCode == KeyEvent.KEYCODE_APP_SWITCH) {
3159            if (!keyguardOn) {
3160                if (down && repeatCount == 0) {
3161                    preloadRecentApps();
3162                } else if (!down) {
3163                    toggleRecentApps();
3164                }
3165            }
3166            return -1;
3167        } else if (keyCode == KeyEvent.KEYCODE_N && event.isMetaPressed()) {
3168            if (down) {
3169                IStatusBarService service = getStatusBarService();
3170                if (service != null) {
3171                    try {
3172                        service.expandNotificationsPanel();
3173                    } catch (RemoteException e) {
3174                        // do nothing.
3175                    }
3176                }
3177            }
3178        } else if (keyCode == KeyEvent.KEYCODE_S && event.isMetaPressed()
3179                && event.isCtrlPressed()) {
3180            if (down && repeatCount == 0) {
3181                int type = event.isShiftPressed() ? TAKE_SCREENSHOT_SELECTED_REGION
3182                        : TAKE_SCREENSHOT_FULLSCREEN;
3183                mScreenshotRunnable.setScreenshotType(type);
3184                mHandler.post(mScreenshotRunnable);
3185                return -1;
3186            }
3187        } else if (keyCode == KeyEvent.KEYCODE_SLASH && event.isMetaPressed()) {
3188            if (down && repeatCount == 0 && !isKeyguardLocked()) {
3189                toggleKeyboardShortcutsMenu(event.getDeviceId());
3190            }
3191        } else if (keyCode == KeyEvent.KEYCODE_ASSIST) {
3192            if (down) {
3193                if (repeatCount == 0) {
3194                    mAssistKeyLongPressed = false;
3195                } else if (repeatCount == 1) {
3196                    mAssistKeyLongPressed = true;
3197                    if (!keyguardOn) {
3198                         launchAssistLongPressAction();
3199                    }
3200                }
3201            } else {
3202                if (mAssistKeyLongPressed) {
3203                    mAssistKeyLongPressed = false;
3204                } else {
3205                    if (!keyguardOn) {
3206                        launchAssistAction(null, event.getDeviceId());
3207                    }
3208                }
3209            }
3210            return -1;
3211        } else if (keyCode == KeyEvent.KEYCODE_VOICE_ASSIST) {
3212            if (!down) {
3213                Intent voiceIntent;
3214                if (!keyguardOn) {
3215                    voiceIntent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
3216                } else {
3217                    IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
3218                            ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
3219                    if (dic != null) {
3220                        try {
3221                            dic.exitIdle("voice-search");
3222                        } catch (RemoteException e) {
3223                        }
3224                    }
3225                    voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
3226                    voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, true);
3227                }
3228                startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
3229            }
3230        } else if (keyCode == KeyEvent.KEYCODE_SYSRQ) {
3231            if (down && repeatCount == 0) {
3232                mScreenshotRunnable.setScreenshotType(TAKE_SCREENSHOT_FULLSCREEN);
3233                mHandler.post(mScreenshotRunnable);
3234            }
3235            return -1;
3236        } else if (keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP
3237                || keyCode == KeyEvent.KEYCODE_BRIGHTNESS_DOWN) {
3238            if (down) {
3239                int direction = keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP ? 1 : -1;
3240
3241                // Disable autobrightness if it's on
3242                int auto = Settings.System.getIntForUser(
3243                        mContext.getContentResolver(),
3244                        Settings.System.SCREEN_BRIGHTNESS_MODE,
3245                        Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
3246                        UserHandle.USER_CURRENT_OR_SELF);
3247                if (auto != 0) {
3248                    Settings.System.putIntForUser(mContext.getContentResolver(),
3249                            Settings.System.SCREEN_BRIGHTNESS_MODE,
3250                            Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
3251                            UserHandle.USER_CURRENT_OR_SELF);
3252                }
3253
3254                int min = mPowerManager.getMinimumScreenBrightnessSetting();
3255                int max = mPowerManager.getMaximumScreenBrightnessSetting();
3256                int step = (max - min + BRIGHTNESS_STEPS - 1) / BRIGHTNESS_STEPS * direction;
3257                int brightness = Settings.System.getIntForUser(mContext.getContentResolver(),
3258                        Settings.System.SCREEN_BRIGHTNESS,
3259                        mPowerManager.getDefaultScreenBrightnessSetting(),
3260                        UserHandle.USER_CURRENT_OR_SELF);
3261                brightness += step;
3262                // Make sure we don't go beyond the limits.
3263                brightness = Math.min(max, brightness);
3264                brightness = Math.max(min, brightness);
3265
3266                Settings.System.putIntForUser(mContext.getContentResolver(),
3267                        Settings.System.SCREEN_BRIGHTNESS, brightness,
3268                        UserHandle.USER_CURRENT_OR_SELF);
3269                startActivityAsUser(new Intent(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG),
3270                        UserHandle.CURRENT_OR_SELF);
3271            }
3272            return -1;
3273        } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP
3274                || keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
3275                || keyCode == KeyEvent.KEYCODE_VOLUME_MUTE) {
3276            if (mUseTvRouting) {
3277                // On TVs volume keys never go to the foreground app.
3278                dispatchDirectAudioEvent(event);
3279                return -1;
3280            }
3281        }
3282
3283        // Toggle Caps Lock on META-ALT.
3284        boolean actionTriggered = false;
3285        if (KeyEvent.isModifierKey(keyCode)) {
3286            if (!mPendingCapsLockToggle) {
3287                // Start tracking meta state for combo.
3288                mInitialMetaState = mMetaState;
3289                mPendingCapsLockToggle = true;
3290            } else if (event.getAction() == KeyEvent.ACTION_UP) {
3291                int altOnMask = mMetaState & KeyEvent.META_ALT_MASK;
3292                int metaOnMask = mMetaState & KeyEvent.META_META_MASK;
3293
3294                // Check for Caps Lock toggle
3295                if ((metaOnMask != 0) && (altOnMask != 0)) {
3296                    // Check if nothing else is pressed
3297                    if (mInitialMetaState == (mMetaState ^ (altOnMask | metaOnMask))) {
3298                        // Handle Caps Lock Toggle
3299                        mInputManagerInternal.toggleCapsLock(event.getDeviceId());
3300                        actionTriggered = true;
3301                    }
3302                }
3303
3304                // Always stop tracking when key goes up.
3305                mPendingCapsLockToggle = false;
3306            }
3307        }
3308        // Store current meta state to be able to evaluate it later.
3309        mMetaState = metaState;
3310
3311        if (actionTriggered) {
3312            return -1;
3313        }
3314
3315        if (KeyEvent.isMetaKey(keyCode)) {
3316            if (down) {
3317                mPendingMetaAction = true;
3318            } else if (mPendingMetaAction) {
3319                launchAssistAction(Intent.EXTRA_ASSIST_INPUT_HINT_KEYBOARD, event.getDeviceId());
3320            }
3321            return -1;
3322        }
3323
3324        // Shortcuts are invoked through Search+key, so intercept those here
3325        // Any printing key that is chorded with Search should be consumed
3326        // even if no shortcut was invoked.  This prevents text from being
3327        // inadvertently inserted when using a keyboard that has built-in macro
3328        // shortcut keys (that emit Search+x) and some of them are not registered.
3329        if (mSearchKeyShortcutPending) {
3330            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3331            if (kcm.isPrintingKey(keyCode)) {
3332                mConsumeSearchKeyUp = true;
3333                mSearchKeyShortcutPending = false;
3334                if (down && repeatCount == 0 && !keyguardOn) {
3335                    Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState);
3336                    if (shortcutIntent != null) {
3337                        shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3338                        try {
3339                            startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3340                            dismissKeyboardShortcutsMenu();
3341                        } catch (ActivityNotFoundException ex) {
3342                            Slog.w(TAG, "Dropping shortcut key combination because "
3343                                    + "the activity to which it is registered was not found: "
3344                                    + "SEARCH+" + KeyEvent.keyCodeToString(keyCode), ex);
3345                        }
3346                    } else {
3347                        Slog.i(TAG, "Dropping unregistered shortcut key combination: "
3348                                + "SEARCH+" + KeyEvent.keyCodeToString(keyCode));
3349                    }
3350                }
3351                return -1;
3352            }
3353        }
3354
3355        // Invoke shortcuts using Meta.
3356        if (down && repeatCount == 0 && !keyguardOn
3357                && (metaState & KeyEvent.META_META_ON) != 0) {
3358            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3359            if (kcm.isPrintingKey(keyCode)) {
3360                Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode,
3361                        metaState & ~(KeyEvent.META_META_ON
3362                                | KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_RIGHT_ON));
3363                if (shortcutIntent != null) {
3364                    shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3365                    try {
3366                        startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3367                        dismissKeyboardShortcutsMenu();
3368                    } catch (ActivityNotFoundException ex) {
3369                        Slog.w(TAG, "Dropping shortcut key combination because "
3370                                + "the activity to which it is registered was not found: "
3371                                + "META+" + KeyEvent.keyCodeToString(keyCode), ex);
3372                    }
3373                    return -1;
3374                }
3375            }
3376        }
3377
3378        // Handle application launch keys.
3379        if (down && repeatCount == 0 && !keyguardOn) {
3380            String category = sApplicationLaunchKeyCategories.get(keyCode);
3381            if (category != null) {
3382                Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, category);
3383                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3384                try {
3385                    startActivityAsUser(intent, UserHandle.CURRENT);
3386                    dismissKeyboardShortcutsMenu();
3387                } catch (ActivityNotFoundException ex) {
3388                    Slog.w(TAG, "Dropping application launch key because "
3389                            + "the activity to which it is registered was not found: "
3390                            + "keyCode=" + keyCode + ", category=" + category, ex);
3391                }
3392                return -1;
3393            }
3394        }
3395
3396        // Display task switcher for ALT-TAB.
3397        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_TAB) {
3398            if (mRecentAppsHeldModifiers == 0 && !keyguardOn && isUserSetupComplete()) {
3399                final int shiftlessModifiers = event.getModifiers() & ~KeyEvent.META_SHIFT_MASK;
3400                if (KeyEvent.metaStateHasModifiers(shiftlessModifiers, KeyEvent.META_ALT_ON)) {
3401                    mRecentAppsHeldModifiers = shiftlessModifiers;
3402                    showRecentApps(true, false);
3403                    return -1;
3404                }
3405            }
3406        } else if (!down && mRecentAppsHeldModifiers != 0
3407                && (metaState & mRecentAppsHeldModifiers) == 0) {
3408            mRecentAppsHeldModifiers = 0;
3409            hideRecentApps(true, false);
3410        }
3411
3412        // Handle input method switching.
3413        if (down && repeatCount == 0
3414                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3415                        || (keyCode == KeyEvent.KEYCODE_SPACE
3416                                && (metaState & KeyEvent.META_META_MASK) != 0))) {
3417            final boolean forwardDirection = (metaState & KeyEvent.META_SHIFT_MASK) == 0;
3418            mWindowManagerFuncs.switchInputMethod(forwardDirection);
3419            return -1;
3420        }
3421        if (mLanguageSwitchKeyPressed && !down
3422                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3423                        || keyCode == KeyEvent.KEYCODE_SPACE)) {
3424            mLanguageSwitchKeyPressed = false;
3425            return -1;
3426        }
3427
3428        if (isValidGlobalKey(keyCode)
3429                && mGlobalKeyManager.handleGlobalKey(mContext, keyCode, event)) {
3430            return -1;
3431        }
3432
3433        if (down) {
3434            long shortcutCode = keyCode;
3435            if (event.isCtrlPressed()) {
3436                shortcutCode |= ((long) KeyEvent.META_CTRL_ON) << Integer.SIZE;
3437            }
3438
3439            if (event.isAltPressed()) {
3440                shortcutCode |= ((long) KeyEvent.META_ALT_ON) << Integer.SIZE;
3441            }
3442
3443            if (event.isShiftPressed()) {
3444                shortcutCode |= ((long) KeyEvent.META_SHIFT_ON) << Integer.SIZE;
3445            }
3446
3447            if (event.isMetaPressed()) {
3448                shortcutCode |= ((long) KeyEvent.META_META_ON) << Integer.SIZE;
3449            }
3450
3451            IShortcutService shortcutService = mShortcutKeyServices.get(shortcutCode);
3452            if (shortcutService != null) {
3453                try {
3454                    if (isUserSetupComplete()) {
3455                        shortcutService.notifyShortcutKeyPressed(shortcutCode);
3456                    }
3457                } catch (RemoteException e) {
3458                    mShortcutKeyServices.delete(shortcutCode);
3459                }
3460                return -1;
3461            }
3462        }
3463
3464        // Reserve all the META modifier combos for system behavior
3465        if ((metaState & KeyEvent.META_META_ON) != 0) {
3466            return -1;
3467        }
3468
3469        // Let the application handle the key.
3470        return 0;
3471    }
3472
3473    /** {@inheritDoc} */
3474    @Override
3475    public KeyEvent dispatchUnhandledKey(WindowState win, KeyEvent event, int policyFlags) {
3476        // Note: This method is only called if the initial down was unhandled.
3477        if (DEBUG_INPUT) {
3478            Slog.d(TAG, "Unhandled key: win=" + win + ", action=" + event.getAction()
3479                    + ", flags=" + event.getFlags()
3480                    + ", keyCode=" + event.getKeyCode()
3481                    + ", scanCode=" + event.getScanCode()
3482                    + ", metaState=" + event.getMetaState()
3483                    + ", repeatCount=" + event.getRepeatCount()
3484                    + ", policyFlags=" + policyFlags);
3485        }
3486
3487        KeyEvent fallbackEvent = null;
3488        if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
3489            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3490            final int keyCode = event.getKeyCode();
3491            final int metaState = event.getMetaState();
3492            final boolean initialDown = event.getAction() == KeyEvent.ACTION_DOWN
3493                    && event.getRepeatCount() == 0;
3494
3495            // Check for fallback actions specified by the key character map.
3496            final FallbackAction fallbackAction;
3497            if (initialDown) {
3498                fallbackAction = kcm.getFallbackAction(keyCode, metaState);
3499            } else {
3500                fallbackAction = mFallbackActions.get(keyCode);
3501            }
3502
3503            if (fallbackAction != null) {
3504                if (DEBUG_INPUT) {
3505                    Slog.d(TAG, "Fallback: keyCode=" + fallbackAction.keyCode
3506                            + " metaState=" + Integer.toHexString(fallbackAction.metaState));
3507                }
3508
3509                final int flags = event.getFlags() | KeyEvent.FLAG_FALLBACK;
3510                fallbackEvent = KeyEvent.obtain(
3511                        event.getDownTime(), event.getEventTime(),
3512                        event.getAction(), fallbackAction.keyCode,
3513                        event.getRepeatCount(), fallbackAction.metaState,
3514                        event.getDeviceId(), event.getScanCode(),
3515                        flags, event.getSource(), null);
3516
3517                if (!interceptFallback(win, fallbackEvent, policyFlags)) {
3518                    fallbackEvent.recycle();
3519                    fallbackEvent = null;
3520                }
3521
3522                if (initialDown) {
3523                    mFallbackActions.put(keyCode, fallbackAction);
3524                } else if (event.getAction() == KeyEvent.ACTION_UP) {
3525                    mFallbackActions.remove(keyCode);
3526                    fallbackAction.recycle();
3527                }
3528            }
3529        }
3530
3531        if (DEBUG_INPUT) {
3532            if (fallbackEvent == null) {
3533                Slog.d(TAG, "No fallback.");
3534            } else {
3535                Slog.d(TAG, "Performing fallback: " + fallbackEvent);
3536            }
3537        }
3538        return fallbackEvent;
3539    }
3540
3541    private boolean interceptFallback(WindowState win, KeyEvent fallbackEvent, int policyFlags) {
3542        int actions = interceptKeyBeforeQueueing(fallbackEvent, policyFlags);
3543        if ((actions & ACTION_PASS_TO_USER) != 0) {
3544            long delayMillis = interceptKeyBeforeDispatching(
3545                    win, fallbackEvent, policyFlags);
3546            if (delayMillis == 0) {
3547                return true;
3548            }
3549        }
3550        return false;
3551    }
3552
3553    @Override
3554    public void registerShortcutKey(long shortcutCode, IShortcutService shortcutService)
3555            throws RemoteException {
3556        synchronized (mLock) {
3557            IShortcutService service = mShortcutKeyServices.get(shortcutCode);
3558            if (service != null && service.asBinder().pingBinder()) {
3559                throw new RemoteException("Key already exists.");
3560            }
3561
3562            mShortcutKeyServices.put(shortcutCode, shortcutService);
3563        }
3564    }
3565
3566    @Override
3567    public boolean canShowDismissingWindowWhileLockedLw() {
3568        // If the keyguard is trusted, it will unlock without a challange. Therefore, windows with
3569        // FLAG_DISMISS_KEYGUARD don't need to be force hidden, as they will unlock the phone right
3570        // away anyways.
3571        return mKeyguardDelegate != null && mKeyguardDelegate.isTrusted();
3572    }
3573
3574    private void launchAssistLongPressAction() {
3575        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
3576        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3577
3578        // launch the search activity
3579        Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
3580        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3581        try {
3582            // TODO: This only stops the factory-installed search manager.
3583            // Need to formalize an API to handle others
3584            SearchManager searchManager = getSearchManager();
3585            if (searchManager != null) {
3586                searchManager.stopSearch();
3587            }
3588            startActivityAsUser(intent, UserHandle.CURRENT);
3589        } catch (ActivityNotFoundException e) {
3590            Slog.w(TAG, "No activity to handle assist long press action.", e);
3591        }
3592    }
3593
3594    private void launchAssistAction(String hint, int deviceId) {
3595        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3596        if (!isUserSetupComplete()) {
3597            // Disable opening assist window during setup
3598            return;
3599        }
3600        Bundle args = null;
3601        if (deviceId > Integer.MIN_VALUE) {
3602            args = new Bundle();
3603            args.putInt(Intent.EXTRA_ASSIST_INPUT_DEVICE_ID, deviceId);
3604        }
3605        if ((mContext.getResources().getConfiguration().uiMode
3606                & Configuration.UI_MODE_TYPE_MASK) == Configuration.UI_MODE_TYPE_TELEVISION) {
3607            // On TV, use legacy handling until assistants are implemented in the proper way.
3608            ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
3609                    .launchLegacyAssist(hint, UserHandle.myUserId(), args);
3610        } else {
3611            if (hint != null) {
3612                if (args == null) {
3613                    args = new Bundle();
3614                }
3615                args.putBoolean(hint, true);
3616            }
3617            StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3618            if (statusbar != null) {
3619                statusbar.startAssist(args);
3620            }
3621        }
3622    }
3623
3624    private void startActivityAsUser(Intent intent, UserHandle handle) {
3625        if (isUserSetupComplete()) {
3626            mContext.startActivityAsUser(intent, handle);
3627        } else {
3628            Slog.i(TAG, "Not starting activity because user setup is in progress: " + intent);
3629        }
3630    }
3631
3632    private SearchManager getSearchManager() {
3633        if (mSearchManager == null) {
3634            mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
3635        }
3636        return mSearchManager;
3637    }
3638
3639    private void preloadRecentApps() {
3640        mPreloadedRecentApps = true;
3641        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3642        if (statusbar != null) {
3643            statusbar.preloadRecentApps();
3644        }
3645    }
3646
3647    private void cancelPreloadRecentApps() {
3648        if (mPreloadedRecentApps) {
3649            mPreloadedRecentApps = false;
3650            StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3651            if (statusbar != null) {
3652                statusbar.cancelPreloadRecentApps();
3653            }
3654        }
3655    }
3656
3657    private void toggleRecentApps() {
3658        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3659        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3660        if (statusbar != null) {
3661            statusbar.toggleRecentApps();
3662        }
3663    }
3664
3665    @Override
3666    public void showRecentApps(boolean fromHome) {
3667        mHandler.removeMessages(MSG_DISPATCH_SHOW_RECENTS);
3668        mHandler.obtainMessage(MSG_DISPATCH_SHOW_RECENTS, fromHome ? 1 : 0, 0).sendToTarget();
3669    }
3670
3671    private void showRecentApps(boolean triggeredFromAltTab, boolean fromHome) {
3672        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3673        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3674        if (statusbar != null) {
3675            statusbar.showRecentApps(triggeredFromAltTab, fromHome);
3676        }
3677    }
3678
3679    private void toggleKeyboardShortcutsMenu(int deviceId) {
3680        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3681        if (statusbar != null) {
3682            statusbar.toggleKeyboardShortcutsMenu(deviceId);
3683        }
3684    }
3685
3686    private void dismissKeyboardShortcutsMenu() {
3687        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3688        if (statusbar != null) {
3689            statusbar.dismissKeyboardShortcutsMenu();
3690        }
3691    }
3692
3693    private void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHome) {
3694        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3695        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3696        if (statusbar != null) {
3697            statusbar.hideRecentApps(triggeredFromAltTab, triggeredFromHome);
3698        }
3699    }
3700
3701    void launchHomeFromHotKey() {
3702        launchHomeFromHotKey(true /* awakenFromDreams */, true /*respectKeyguard*/);
3703    }
3704
3705    /**
3706     * A home key -> launch home action was detected.  Take the appropriate action
3707     * given the situation with the keyguard.
3708     */
3709    void launchHomeFromHotKey(final boolean awakenFromDreams, final boolean respectKeyguard) {
3710        if (respectKeyguard) {
3711            if (isKeyguardShowingAndNotOccluded()) {
3712                // don't launch home if keyguard showing
3713                return;
3714            }
3715
3716            if (!mHideLockScreen && mKeyguardDelegate.isInputRestricted()) {
3717                // when in keyguard restricted mode, must first verify unlock
3718                // before launching home
3719                mKeyguardDelegate.verifyUnlock(new OnKeyguardExitResult() {
3720                    @Override
3721                    public void onKeyguardExitResult(boolean success) {
3722                        if (success) {
3723                            try {
3724                                ActivityManagerNative.getDefault().stopAppSwitches();
3725                            } catch (RemoteException e) {
3726                            }
3727                            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3728                            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3729                        }
3730                    }
3731                });
3732                return;
3733            }
3734        }
3735
3736        // no keyguard stuff to worry about, just launch home!
3737        try {
3738            ActivityManagerNative.getDefault().stopAppSwitches();
3739        } catch (RemoteException e) {
3740        }
3741        if (mRecentsVisible) {
3742            // Hide Recents and notify it to launch Home
3743            if (awakenFromDreams) {
3744                awakenDreams();
3745            }
3746            hideRecentApps(false, true);
3747        } else {
3748            // Otherwise, just launch Home
3749            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3750            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3751        }
3752    }
3753
3754    private final Runnable mClearHideNavigationFlag = new Runnable() {
3755        @Override
3756        public void run() {
3757            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3758                // Clear flags.
3759                mForceClearedSystemUiFlags &=
3760                        ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3761            }
3762            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3763        }
3764    };
3765
3766    /**
3767     * Input handler used while nav bar is hidden.  Captures any touch on the screen,
3768     * to determine when the nav bar should be shown and prevent applications from
3769     * receiving those touches.
3770     */
3771    final class HideNavInputEventReceiver extends InputEventReceiver {
3772        public HideNavInputEventReceiver(InputChannel inputChannel, Looper looper) {
3773            super(inputChannel, looper);
3774        }
3775
3776        @Override
3777        public void onInputEvent(InputEvent event) {
3778            boolean handled = false;
3779            try {
3780                if (event instanceof MotionEvent
3781                        && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
3782                    final MotionEvent motionEvent = (MotionEvent)event;
3783                    if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
3784                        // When the user taps down, we re-show the nav bar.
3785                        boolean changed = false;
3786                        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3787                            if (mInputConsumer == null) {
3788                                return;
3789                            }
3790                            // Any user activity always causes us to show the
3791                            // navigation controls, if they had been hidden.
3792                            // We also clear the low profile and only content
3793                            // flags so that tapping on the screen will atomically
3794                            // restore all currently hidden screen decorations.
3795                            int newVal = mResettingSystemUiFlags |
3796                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
3797                                    View.SYSTEM_UI_FLAG_LOW_PROFILE |
3798                                    View.SYSTEM_UI_FLAG_FULLSCREEN;
3799                            if (mResettingSystemUiFlags != newVal) {
3800                                mResettingSystemUiFlags = newVal;
3801                                changed = true;
3802                            }
3803                            // We don't allow the system's nav bar to be hidden
3804                            // again for 1 second, to prevent applications from
3805                            // spamming us and keeping it from being shown.
3806                            newVal = mForceClearedSystemUiFlags |
3807                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3808                            if (mForceClearedSystemUiFlags != newVal) {
3809                                mForceClearedSystemUiFlags = newVal;
3810                                changed = true;
3811                                mHandler.postDelayed(mClearHideNavigationFlag, 1000);
3812                            }
3813                        }
3814                        if (changed) {
3815                            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3816                        }
3817                    }
3818                }
3819            } finally {
3820                finishInputEvent(event, handled);
3821            }
3822        }
3823    }
3824    final InputEventReceiver.Factory mHideNavInputEventReceiverFactory =
3825            new InputEventReceiver.Factory() {
3826        @Override
3827        public InputEventReceiver createInputEventReceiver(
3828                InputChannel inputChannel, Looper looper) {
3829            return new HideNavInputEventReceiver(inputChannel, looper);
3830        }
3831    };
3832
3833    @Override
3834    public int adjustSystemUiVisibilityLw(int visibility) {
3835        mStatusBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3836        mNavigationBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3837        mRecentsVisible = (visibility & View.RECENT_APPS_VISIBLE) > 0;
3838        mTvPictureInPictureVisible = (visibility & View.TV_PICTURE_IN_PICTURE_VISIBLE) > 0;
3839
3840        // Reset any bits in mForceClearingStatusBarVisibility that
3841        // are now clear.
3842        mResettingSystemUiFlags &= visibility;
3843        // Clear any bits in the new visibility that are currently being
3844        // force cleared, before reporting it.
3845        return visibility & ~mResettingSystemUiFlags
3846                & ~mForceClearedSystemUiFlags;
3847    }
3848
3849    @Override
3850    public boolean getInsetHintLw(WindowManager.LayoutParams attrs, Rect taskBounds,
3851            int displayRotation, int displayWidth, int displayHeight, Rect outContentInsets,
3852            Rect outStableInsets, Rect outOutsets) {
3853        final int fl = PolicyControl.getWindowFlags(null, attrs);
3854        final int sysuiVis = PolicyControl.getSystemUiVisibility(null, attrs);
3855        final int systemUiVisibility = (sysuiVis | attrs.subtreeSystemUiVisibility);
3856
3857        final boolean useOutsets = outOutsets != null && shouldUseOutsets(attrs, fl);
3858        if (useOutsets) {
3859            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
3860            if (outset > 0) {
3861                if (displayRotation == Surface.ROTATION_0) {
3862                    outOutsets.bottom += outset;
3863                } else if (displayRotation == Surface.ROTATION_90) {
3864                    outOutsets.right += outset;
3865                } else if (displayRotation == Surface.ROTATION_180) {
3866                    outOutsets.top += outset;
3867                } else if (displayRotation == Surface.ROTATION_270) {
3868                    outOutsets.left += outset;
3869                }
3870            }
3871        }
3872
3873        if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3874                == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3875            int availRight, availBottom;
3876            if (canHideNavigationBar() &&
3877                    (systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0) {
3878                availRight = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3879                availBottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3880            } else {
3881                availRight = mRestrictedScreenLeft + mRestrictedScreenWidth;
3882                availBottom = mRestrictedScreenTop + mRestrictedScreenHeight;
3883            }
3884            if ((systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3885                if ((fl & FLAG_FULLSCREEN) != 0) {
3886                    outContentInsets.set(mStableFullscreenLeft, mStableFullscreenTop,
3887                            availRight - mStableFullscreenRight,
3888                            availBottom - mStableFullscreenBottom);
3889                } else {
3890                    outContentInsets.set(mStableLeft, mStableTop,
3891                            availRight - mStableRight, availBottom - mStableBottom);
3892                }
3893            } else if ((fl & FLAG_FULLSCREEN) != 0 || (fl & FLAG_LAYOUT_IN_OVERSCAN) != 0) {
3894                outContentInsets.setEmpty();
3895            } else if ((systemUiVisibility & (View.SYSTEM_UI_FLAG_FULLSCREEN
3896                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)) == 0) {
3897                outContentInsets.set(mCurLeft, mCurTop,
3898                        availRight - mCurRight, availBottom - mCurBottom);
3899            } else {
3900                outContentInsets.set(mCurLeft, mCurTop,
3901                        availRight - mCurRight, availBottom - mCurBottom);
3902            }
3903
3904            outStableInsets.set(mStableLeft, mStableTop,
3905                    availRight - mStableRight, availBottom - mStableBottom);
3906            if (taskBounds != null) {
3907                calculateRelevantTaskInsets(taskBounds, outContentInsets,
3908                        displayWidth, displayHeight);
3909                calculateRelevantTaskInsets(taskBounds, outStableInsets,
3910                        displayWidth, displayHeight);
3911            }
3912            return mForceShowSystemBars;
3913        }
3914        outContentInsets.setEmpty();
3915        outStableInsets.setEmpty();
3916        return mForceShowSystemBars;
3917    }
3918
3919    /**
3920     * For any given task bounds, the insets relevant for these bounds given the insets relevant
3921     * for the entire display.
3922     */
3923    private void calculateRelevantTaskInsets(Rect taskBounds, Rect inOutInsets, int displayWidth,
3924            int displayHeight) {
3925        mTmpRect.set(0, 0, displayWidth, displayHeight);
3926        mTmpRect.inset(inOutInsets);
3927        mTmpRect.intersect(taskBounds);
3928        int leftInset = mTmpRect.left - taskBounds.left;
3929        int topInset = mTmpRect.top - taskBounds.top;
3930        int rightInset = taskBounds.right - mTmpRect.right;
3931        int bottomInset = taskBounds.bottom - mTmpRect.bottom;
3932        inOutInsets.set(leftInset, topInset, rightInset, bottomInset);
3933    }
3934
3935    private boolean shouldUseOutsets(WindowManager.LayoutParams attrs, int fl) {
3936        return attrs.type == TYPE_WALLPAPER || (fl & (WindowManager.LayoutParams.FLAG_FULLSCREEN
3937                | WindowManager.LayoutParams.FLAG_LAYOUT_IN_OVERSCAN)) != 0;
3938    }
3939
3940    /** {@inheritDoc} */
3941    @Override
3942    public void beginLayoutLw(boolean isDefaultDisplay, int displayWidth, int displayHeight,
3943                              int displayRotation, int uiMode) {
3944        mDisplayRotation = displayRotation;
3945        final int overscanLeft, overscanTop, overscanRight, overscanBottom;
3946        if (isDefaultDisplay) {
3947            switch (displayRotation) {
3948                case Surface.ROTATION_90:
3949                    overscanLeft = mOverscanTop;
3950                    overscanTop = mOverscanRight;
3951                    overscanRight = mOverscanBottom;
3952                    overscanBottom = mOverscanLeft;
3953                    break;
3954                case Surface.ROTATION_180:
3955                    overscanLeft = mOverscanRight;
3956                    overscanTop = mOverscanBottom;
3957                    overscanRight = mOverscanLeft;
3958                    overscanBottom = mOverscanTop;
3959                    break;
3960                case Surface.ROTATION_270:
3961                    overscanLeft = mOverscanBottom;
3962                    overscanTop = mOverscanLeft;
3963                    overscanRight = mOverscanTop;
3964                    overscanBottom = mOverscanRight;
3965                    break;
3966                default:
3967                    overscanLeft = mOverscanLeft;
3968                    overscanTop = mOverscanTop;
3969                    overscanRight = mOverscanRight;
3970                    overscanBottom = mOverscanBottom;
3971                    break;
3972            }
3973        } else {
3974            overscanLeft = 0;
3975            overscanTop = 0;
3976            overscanRight = 0;
3977            overscanBottom = 0;
3978        }
3979        mOverscanScreenLeft = mRestrictedOverscanScreenLeft = 0;
3980        mOverscanScreenTop = mRestrictedOverscanScreenTop = 0;
3981        mOverscanScreenWidth = mRestrictedOverscanScreenWidth = displayWidth;
3982        mOverscanScreenHeight = mRestrictedOverscanScreenHeight = displayHeight;
3983        mSystemLeft = 0;
3984        mSystemTop = 0;
3985        mSystemRight = displayWidth;
3986        mSystemBottom = displayHeight;
3987        mUnrestrictedScreenLeft = overscanLeft;
3988        mUnrestrictedScreenTop = overscanTop;
3989        mUnrestrictedScreenWidth = displayWidth - overscanLeft - overscanRight;
3990        mUnrestrictedScreenHeight = displayHeight - overscanTop - overscanBottom;
3991        mRestrictedScreenLeft = mUnrestrictedScreenLeft;
3992        mRestrictedScreenTop = mUnrestrictedScreenTop;
3993        mRestrictedScreenWidth = mSystemGestures.screenWidth = mUnrestrictedScreenWidth;
3994        mRestrictedScreenHeight = mSystemGestures.screenHeight = mUnrestrictedScreenHeight;
3995        mDockLeft = mContentLeft = mVoiceContentLeft = mStableLeft = mStableFullscreenLeft
3996                = mCurLeft = mUnrestrictedScreenLeft;
3997        mDockTop = mContentTop = mVoiceContentTop = mStableTop = mStableFullscreenTop
3998                = mCurTop = mUnrestrictedScreenTop;
3999        mDockRight = mContentRight = mVoiceContentRight = mStableRight = mStableFullscreenRight
4000                = mCurRight = displayWidth - overscanRight;
4001        mDockBottom = mContentBottom = mVoiceContentBottom = mStableBottom = mStableFullscreenBottom
4002                = mCurBottom = displayHeight - overscanBottom;
4003        mDockLayer = 0x10000000;
4004        mStatusBarLayer = -1;
4005
4006        // start with the current dock rect, which will be (0,0,displayWidth,displayHeight)
4007        final Rect pf = mTmpParentFrame;
4008        final Rect df = mTmpDisplayFrame;
4009        final Rect of = mTmpOverscanFrame;
4010        final Rect vf = mTmpVisibleFrame;
4011        final Rect dcf = mTmpDecorFrame;
4012        pf.left = df.left = of.left = vf.left = mDockLeft;
4013        pf.top = df.top = of.top = vf.top = mDockTop;
4014        pf.right = df.right = of.right = vf.right = mDockRight;
4015        pf.bottom = df.bottom = of.bottom = vf.bottom = mDockBottom;
4016        dcf.setEmpty();  // Decor frame N/A for system bars.
4017
4018        if (isDefaultDisplay) {
4019            // For purposes of putting out fake window up to steal focus, we will
4020            // drive nav being hidden only by whether it is requested.
4021            final int sysui = mLastSystemUiFlags;
4022            boolean navVisible = (sysui & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0;
4023            boolean navTranslucent = (sysui
4024                    & (View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT)) != 0;
4025            boolean immersive = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
4026            boolean immersiveSticky = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
4027            boolean navAllowedHidden = immersive || immersiveSticky;
4028            navTranslucent &= !immersiveSticky;  // transient trumps translucent
4029            boolean isKeyguardShowing = isStatusBarKeyguard() && !mHideLockScreen;
4030            if (!isKeyguardShowing) {
4031                navTranslucent &= areTranslucentBarsAllowed();
4032            }
4033            boolean statusBarExpandedNotKeyguard = !isKeyguardShowing && mStatusBar != null
4034                    && mStatusBar.getAttrs().height == MATCH_PARENT
4035                    && mStatusBar.getAttrs().width == MATCH_PARENT;
4036
4037            // When the navigation bar isn't visible, we put up a fake
4038            // input window to catch all touch events.  This way we can
4039            // detect when the user presses anywhere to bring back the nav
4040            // bar and ensure the application doesn't see the event.
4041            if (navVisible || navAllowedHidden) {
4042                if (mInputConsumer != null) {
4043                    mHandler.sendMessage(
4044                            mHandler.obtainMessage(MSG_DISPOSE_INPUT_CONSUMER, mInputConsumer));
4045                    mInputConsumer = null;
4046                }
4047            } else if (mInputConsumer == null) {
4048                mInputConsumer = mWindowManagerFuncs.addInputConsumer(mHandler.getLooper(),
4049                        mHideNavInputEventReceiverFactory);
4050            }
4051
4052            // For purposes of positioning and showing the nav bar, if we have
4053            // decided that it can't be hidden (because of the screen aspect ratio),
4054            // then take that into account.
4055            navVisible |= !canHideNavigationBar();
4056
4057            boolean updateSysUiVisibility = layoutNavigationBar(displayWidth, displayHeight,
4058                    displayRotation, uiMode, overscanLeft, overscanRight, overscanBottom, dcf, navVisible, navTranslucent,
4059                    navAllowedHidden, statusBarExpandedNotKeyguard);
4060            if (DEBUG_LAYOUT) Slog.i(TAG, String.format("mDock rect: (%d,%d - %d,%d)",
4061                    mDockLeft, mDockTop, mDockRight, mDockBottom));
4062            updateSysUiVisibility |= layoutStatusBar(pf, df, of, vf, dcf, sysui, isKeyguardShowing);
4063            if (updateSysUiVisibility) {
4064                updateSystemUiVisibilityLw();
4065            }
4066        }
4067    }
4068
4069    private boolean layoutStatusBar(Rect pf, Rect df, Rect of, Rect vf, Rect dcf, int sysui,
4070            boolean isKeyguardShowing) {
4071        // decide where the status bar goes ahead of time
4072        if (mStatusBar != null) {
4073            // apply any navigation bar insets
4074            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4075            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4076            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
4077            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight
4078                    + mUnrestrictedScreenTop;
4079            vf.left = mStableLeft;
4080            vf.top = mStableTop;
4081            vf.right = mStableRight;
4082            vf.bottom = mStableBottom;
4083
4084            mStatusBarLayer = mStatusBar.getSurfaceLayer();
4085
4086            // Let the status bar determine its size.
4087            mStatusBar.computeFrameLw(pf /* parentFrame */, df /* displayFrame */,
4088                    vf /* overlayFrame */, vf /* contentFrame */, vf /* visibleFrame */,
4089                    dcf /* decorFrame */, vf /* stableFrame */, vf /* outsetFrame */);
4090
4091            // For layout, the status bar is always at the top with our fixed height.
4092            mStableTop = mUnrestrictedScreenTop + mStatusBarHeight;
4093
4094            boolean statusBarTransient = (sysui & View.STATUS_BAR_TRANSIENT) != 0;
4095            boolean statusBarTranslucent = (sysui
4096                    & (View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT)) != 0;
4097            if (!isKeyguardShowing) {
4098                statusBarTranslucent &= areTranslucentBarsAllowed();
4099            }
4100
4101            // If the status bar is hidden, we don't want to cause
4102            // windows behind it to scroll.
4103            if (mStatusBar.isVisibleLw() && !statusBarTransient) {
4104                // Status bar may go away, so the screen area it occupies
4105                // is available to apps but just covering them when the
4106                // status bar is visible.
4107                mDockTop = mUnrestrictedScreenTop + mStatusBarHeight;
4108
4109                mContentTop = mVoiceContentTop = mCurTop = mDockTop;
4110                mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
4111                mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
4112                mContentRight = mVoiceContentRight = mCurRight = mDockRight;
4113
4114                if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar: " +
4115                        String.format(
4116                                "dock=[%d,%d][%d,%d] content=[%d,%d][%d,%d] cur=[%d,%d][%d,%d]",
4117                                mDockLeft, mDockTop, mDockRight, mDockBottom,
4118                                mContentLeft, mContentTop, mContentRight, mContentBottom,
4119                                mCurLeft, mCurTop, mCurRight, mCurBottom));
4120            }
4121            if (mStatusBar.isVisibleLw() && !mStatusBar.isAnimatingLw()
4122                    && !statusBarTransient && !statusBarTranslucent
4123                    && !mStatusBarController.wasRecentlyTranslucent()) {
4124                // If the opaque status bar is currently requested to be visible,
4125                // and not in the process of animating on or off, then
4126                // we can tell the app that it is covered by it.
4127                mSystemTop = mUnrestrictedScreenTop + mStatusBarHeight;
4128            }
4129            if (mStatusBarController.checkHiddenLw()) {
4130                return true;
4131            }
4132        }
4133        return false;
4134    }
4135
4136    private boolean layoutNavigationBar(int displayWidth, int displayHeight, int displayRotation,
4137            int uiMode, int overscanLeft, int overscanRight, int overscanBottom, Rect dcf,
4138            boolean navVisible, boolean navTranslucent, boolean navAllowedHidden,
4139            boolean statusBarExpandedNotKeyguard) {
4140        if (mNavigationBar != null) {
4141            boolean transientNavBarShowing = mNavigationBarController.isTransientShowing();
4142            // Force the navigation bar to its appropriate place and
4143            // size.  We need to do this directly, instead of relying on
4144            // it to bubble up from the nav bar, because this needs to
4145            // change atomically with screen rotations.
4146            mNavigationBarPosition = navigationBarPosition(displayWidth, displayHeight,
4147                    displayRotation);
4148            if (mNavigationBarPosition == NAV_BAR_BOTTOM) {
4149                // It's a system nav bar or a portrait screen; nav bar goes on bottom.
4150                int top = displayHeight - overscanBottom
4151                        - getNavigationBarHeight(displayRotation, uiMode);
4152                mTmpNavigationFrame.set(0, top, displayWidth, displayHeight - overscanBottom);
4153                mStableBottom = mStableFullscreenBottom = mTmpNavigationFrame.top;
4154                if (transientNavBarShowing) {
4155                    mNavigationBarController.setBarShowingLw(true);
4156                } else if (navVisible) {
4157                    mNavigationBarController.setBarShowingLw(true);
4158                    mDockBottom = mTmpNavigationFrame.top;
4159                    mRestrictedScreenHeight = mDockBottom - mRestrictedScreenTop;
4160                    mRestrictedOverscanScreenHeight = mDockBottom - mRestrictedOverscanScreenTop;
4161                } else {
4162                    // We currently want to hide the navigation UI - unless we expanded the status
4163                    // bar.
4164                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4165                }
4166                if (navVisible && !navTranslucent && !navAllowedHidden
4167                        && !mNavigationBar.isAnimatingLw()
4168                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4169                    // If the opaque nav bar is currently requested to be visible,
4170                    // and not in the process of animating on or off, then
4171                    // we can tell the app that it is covered by it.
4172                    mSystemBottom = mTmpNavigationFrame.top;
4173                }
4174            } else if (mNavigationBarPosition == NAV_BAR_RIGHT) {
4175                // Landscape screen; nav bar goes to the right.
4176                int left = displayWidth - overscanRight
4177                        - getNavigationBarWidth(displayRotation, uiMode);
4178                mTmpNavigationFrame.set(left, 0, displayWidth - overscanRight, displayHeight);
4179                mStableRight = mStableFullscreenRight = mTmpNavigationFrame.left;
4180                if (transientNavBarShowing) {
4181                    mNavigationBarController.setBarShowingLw(true);
4182                } else if (navVisible) {
4183                    mNavigationBarController.setBarShowingLw(true);
4184                    mDockRight = mTmpNavigationFrame.left;
4185                    mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
4186                    mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
4187                } else {
4188                    // We currently want to hide the navigation UI - unless we expanded the status
4189                    // bar.
4190                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4191                }
4192                if (navVisible && !navTranslucent && !navAllowedHidden
4193                        && !mNavigationBar.isAnimatingLw()
4194                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4195                    // If the nav bar is currently requested to be visible,
4196                    // and not in the process of animating on or off, then
4197                    // we can tell the app that it is covered by it.
4198                    mSystemRight = mTmpNavigationFrame.left;
4199                }
4200            } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
4201                // Seascape screen; nav bar goes to the left.
4202                int right = overscanLeft + getNavigationBarWidth(displayRotation, uiMode);
4203                mTmpNavigationFrame.set(overscanLeft, 0, right, displayHeight);
4204                mStableLeft = mStableFullscreenLeft = mTmpNavigationFrame.right;
4205                if (transientNavBarShowing) {
4206                    mNavigationBarController.setBarShowingLw(true);
4207                } else if (navVisible) {
4208                    mNavigationBarController.setBarShowingLw(true);
4209                    mDockLeft = mTmpNavigationFrame.right;
4210                    // TODO: not so sure about those:
4211                    mRestrictedScreenLeft = mRestrictedOverscanScreenLeft = mDockLeft;
4212                    mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
4213                    mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
4214                } else {
4215                    // We currently want to hide the navigation UI - unless we expanded the status
4216                    // bar.
4217                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4218                }
4219                if (navVisible && !navTranslucent && !navAllowedHidden
4220                        && !mNavigationBar.isAnimatingLw()
4221                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4222                    // If the nav bar is currently requested to be visible,
4223                    // and not in the process of animating on or off, then
4224                    // we can tell the app that it is covered by it.
4225                    mSystemLeft = mTmpNavigationFrame.right;
4226                }
4227            }
4228            // Make sure the content and current rectangles are updated to
4229            // account for the restrictions from the navigation bar.
4230            mContentTop = mVoiceContentTop = mCurTop = mDockTop;
4231            mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
4232            mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
4233            mContentRight = mVoiceContentRight = mCurRight = mDockRight;
4234            mStatusBarLayer = mNavigationBar.getSurfaceLayer();
4235            // And compute the final frame.
4236            mNavigationBar.computeFrameLw(mTmpNavigationFrame, mTmpNavigationFrame,
4237                    mTmpNavigationFrame, mTmpNavigationFrame, mTmpNavigationFrame, dcf,
4238                    mTmpNavigationFrame, mTmpNavigationFrame);
4239            if (DEBUG_LAYOUT) Slog.i(TAG, "mNavigationBar frame: " + mTmpNavigationFrame);
4240            if (mNavigationBarController.checkHiddenLw()) {
4241                return true;
4242            }
4243        }
4244        return false;
4245    }
4246
4247    private int navigationBarPosition(int displayWidth, int displayHeight, int displayRotation) {
4248        if (mNavigationBarCanMove && displayWidth > displayHeight) {
4249            if (displayRotation == Surface.ROTATION_270) {
4250                return NAV_BAR_LEFT;
4251            } else {
4252                return NAV_BAR_RIGHT;
4253            }
4254        }
4255        return NAV_BAR_BOTTOM;
4256    }
4257
4258    /** {@inheritDoc} */
4259    @Override
4260    public int getSystemDecorLayerLw() {
4261        if (mStatusBar != null && mStatusBar.isVisibleLw()) {
4262            return mStatusBar.getSurfaceLayer();
4263        }
4264
4265        if (mNavigationBar != null && mNavigationBar.isVisibleLw()) {
4266            return mNavigationBar.getSurfaceLayer();
4267        }
4268
4269        return 0;
4270    }
4271
4272    @Override
4273    public void getContentRectLw(Rect r) {
4274        r.set(mContentLeft, mContentTop, mContentRight, mContentBottom);
4275    }
4276
4277    void setAttachedWindowFrames(WindowState win, int fl, int adjust, WindowState attached,
4278            boolean insetDecors, Rect pf, Rect df, Rect of, Rect cf, Rect vf) {
4279        if (win.getSurfaceLayer() > mDockLayer && attached.getSurfaceLayer() < mDockLayer) {
4280            // Here's a special case: if this attached window is a panel that is
4281            // above the dock window, and the window it is attached to is below
4282            // the dock window, then the frames we computed for the window it is
4283            // attached to can not be used because the dock is effectively part
4284            // of the underlying window and the attached window is floating on top
4285            // of the whole thing.  So, we ignore the attached window and explicitly
4286            // compute the frames that would be appropriate without the dock.
4287            df.left = of.left = cf.left = vf.left = mDockLeft;
4288            df.top = of.top = cf.top = vf.top = mDockTop;
4289            df.right = of.right = cf.right = vf.right = mDockRight;
4290            df.bottom = of.bottom = cf.bottom = vf.bottom = mDockBottom;
4291        } else {
4292            // The effective display frame of the attached window depends on
4293            // whether it is taking care of insetting its content.  If not,
4294            // we need to use the parent's content frame so that the entire
4295            // window is positioned within that content.  Otherwise we can use
4296            // the overscan frame and let the attached window take care of
4297            // positioning its content appropriately.
4298            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4299                // Set the content frame of the attached window to the parent's decor frame
4300                // (same as content frame when IME isn't present) if specifically requested by
4301                // setting {@link WindowManager.LayoutParams#FLAG_LAYOUT_ATTACHED_IN_DECOR} flag.
4302                // Otherwise, use the overscan frame.
4303                cf.set((fl & FLAG_LAYOUT_ATTACHED_IN_DECOR) != 0
4304                        ? attached.getContentFrameLw() : attached.getOverscanFrameLw());
4305            } else {
4306                // If the window is resizing, then we want to base the content
4307                // frame on our attached content frame to resize...  however,
4308                // things can be tricky if the attached window is NOT in resize
4309                // mode, in which case its content frame will be larger.
4310                // Ungh.  So to deal with that, make sure the content frame
4311                // we end up using is not covering the IM dock.
4312                cf.set(attached.getContentFrameLw());
4313                if (attached.isVoiceInteraction()) {
4314                    if (cf.left < mVoiceContentLeft) cf.left = mVoiceContentLeft;
4315                    if (cf.top < mVoiceContentTop) cf.top = mVoiceContentTop;
4316                    if (cf.right > mVoiceContentRight) cf.right = mVoiceContentRight;
4317                    if (cf.bottom > mVoiceContentBottom) cf.bottom = mVoiceContentBottom;
4318                } else if (attached.getSurfaceLayer() < mDockLayer) {
4319                    if (cf.left < mContentLeft) cf.left = mContentLeft;
4320                    if (cf.top < mContentTop) cf.top = mContentTop;
4321                    if (cf.right > mContentRight) cf.right = mContentRight;
4322                    if (cf.bottom > mContentBottom) cf.bottom = mContentBottom;
4323                }
4324            }
4325            df.set(insetDecors ? attached.getDisplayFrameLw() : cf);
4326            of.set(insetDecors ? attached.getOverscanFrameLw() : cf);
4327            vf.set(attached.getVisibleFrameLw());
4328        }
4329        // The LAYOUT_IN_SCREEN flag is used to determine whether the attached
4330        // window should be positioned relative to its parent or the entire
4331        // screen.
4332        pf.set((fl & FLAG_LAYOUT_IN_SCREEN) == 0
4333                ? attached.getFrameLw() : df);
4334    }
4335
4336    private void applyStableConstraints(int sysui, int fl, Rect r) {
4337        if ((sysui & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
4338            // If app is requesting a stable layout, don't let the
4339            // content insets go below the stable values.
4340            if ((fl & FLAG_FULLSCREEN) != 0) {
4341                if (r.left < mStableFullscreenLeft) r.left = mStableFullscreenLeft;
4342                if (r.top < mStableFullscreenTop) r.top = mStableFullscreenTop;
4343                if (r.right > mStableFullscreenRight) r.right = mStableFullscreenRight;
4344                if (r.bottom > mStableFullscreenBottom) r.bottom = mStableFullscreenBottom;
4345            } else {
4346                if (r.left < mStableLeft) r.left = mStableLeft;
4347                if (r.top < mStableTop) r.top = mStableTop;
4348                if (r.right > mStableRight) r.right = mStableRight;
4349                if (r.bottom > mStableBottom) r.bottom = mStableBottom;
4350            }
4351        }
4352    }
4353
4354    private boolean canReceiveInput(WindowState win) {
4355        boolean notFocusable =
4356                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) != 0;
4357        boolean altFocusableIm =
4358                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM) != 0;
4359        boolean notFocusableForIm = notFocusable ^ altFocusableIm;
4360        return !notFocusableForIm;
4361    }
4362
4363    /** {@inheritDoc} */
4364    @Override
4365    public void layoutWindowLw(WindowState win, WindowState attached) {
4366        // We've already done the navigation bar and status bar. If the status bar can receive
4367        // input, we need to layout it again to accomodate for the IME window.
4368        if ((win == mStatusBar && !canReceiveInput(win)) || win == mNavigationBar) {
4369            return;
4370        }
4371        final WindowManager.LayoutParams attrs = win.getAttrs();
4372        final boolean isDefaultDisplay = win.isDefaultDisplay();
4373        final boolean needsToOffsetInputMethodTarget = isDefaultDisplay &&
4374                (win == mLastInputMethodTargetWindow && mLastInputMethodWindow != null);
4375        if (needsToOffsetInputMethodTarget) {
4376            if (DEBUG_LAYOUT) Slog.i(TAG, "Offset ime target window by the last ime window state");
4377            offsetInputMethodWindowLw(mLastInputMethodWindow);
4378        }
4379
4380        final int fl = PolicyControl.getWindowFlags(win, attrs);
4381        final int pfl = attrs.privateFlags;
4382        final int sim = attrs.softInputMode;
4383        final int sysUiFl = PolicyControl.getSystemUiVisibility(win, null);
4384
4385        final Rect pf = mTmpParentFrame;
4386        final Rect df = mTmpDisplayFrame;
4387        final Rect of = mTmpOverscanFrame;
4388        final Rect cf = mTmpContentFrame;
4389        final Rect vf = mTmpVisibleFrame;
4390        final Rect dcf = mTmpDecorFrame;
4391        final Rect sf = mTmpStableFrame;
4392        Rect osf = null;
4393        dcf.setEmpty();
4394
4395        final boolean hasNavBar = (isDefaultDisplay && mHasNavigationBar
4396                && mNavigationBar != null && mNavigationBar.isVisibleLw());
4397
4398        final int adjust = sim & SOFT_INPUT_MASK_ADJUST;
4399
4400        if (isDefaultDisplay) {
4401            sf.set(mStableLeft, mStableTop, mStableRight, mStableBottom);
4402        } else {
4403            sf.set(mOverscanLeft, mOverscanTop, mOverscanRight, mOverscanBottom);
4404        }
4405
4406        if (!isDefaultDisplay) {
4407            if (attached != null) {
4408                // If this window is attached to another, our display
4409                // frame is the same as the one we are attached to.
4410                setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4411            } else {
4412                // Give the window full screen.
4413                pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4414                pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4415                pf.right = df.right = of.right = cf.right
4416                        = mOverscanScreenLeft + mOverscanScreenWidth;
4417                pf.bottom = df.bottom = of.bottom = cf.bottom
4418                        = mOverscanScreenTop + mOverscanScreenHeight;
4419            }
4420        } else if (attrs.type == TYPE_INPUT_METHOD) {
4421            pf.left = df.left = of.left = cf.left = vf.left = mDockLeft;
4422            pf.top = df.top = of.top = cf.top = vf.top = mDockTop;
4423            pf.right = df.right = of.right = cf.right = vf.right = mDockRight;
4424            // IM dock windows layout below the nav bar...
4425            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4426            // ...with content insets above the nav bar
4427            cf.bottom = vf.bottom = mStableBottom;
4428            if (mStatusBar != null && mFocusedWindow == mStatusBar && canReceiveInput(mStatusBar)) {
4429                // The status bar forces the navigation bar while it's visible. Make sure the IME
4430                // avoids the navigation bar in that case.
4431                if (mNavigationBarPosition == NAV_BAR_RIGHT) {
4432                    pf.right = df.right = of.right = cf.right = vf.right = mStableRight;
4433                } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
4434                    pf.left = df.left = of.left = cf.left = vf.left = mStableLeft;
4435                }
4436            }
4437            // IM dock windows always go to the bottom of the screen.
4438            attrs.gravity = Gravity.BOTTOM;
4439            mDockLayer = win.getSurfaceLayer();
4440        } else if (attrs.type == TYPE_VOICE_INTERACTION) {
4441            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4442            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4443            pf.right = df.right = of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4444            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4445            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4446                cf.left = mDockLeft;
4447                cf.top = mDockTop;
4448                cf.right = mDockRight;
4449                cf.bottom = mDockBottom;
4450            } else {
4451                cf.left = mContentLeft;
4452                cf.top = mContentTop;
4453                cf.right = mContentRight;
4454                cf.bottom = mContentBottom;
4455            }
4456            if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4457                vf.left = mCurLeft;
4458                vf.top = mCurTop;
4459                vf.right = mCurRight;
4460                vf.bottom = mCurBottom;
4461            } else {
4462                vf.set(cf);
4463            }
4464        } else if (attrs.type == TYPE_WALLPAPER) {
4465           layoutWallpaper(win, pf, df, of, cf);
4466        } else if (win == mStatusBar) {
4467            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4468            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4469            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
4470            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight + mUnrestrictedScreenTop;
4471            cf.left = vf.left = mStableLeft;
4472            cf.top = vf.top = mStableTop;
4473            cf.right = vf.right = mStableRight;
4474            vf.bottom = mStableBottom;
4475
4476            if (adjust == SOFT_INPUT_ADJUST_RESIZE) {
4477                cf.bottom = mContentBottom;
4478            } else {
4479                cf.bottom = mDockBottom;
4480                vf.bottom = mContentBottom;
4481            }
4482        } else {
4483
4484            // Default policy decor for the default display
4485            dcf.left = mSystemLeft;
4486            dcf.top = mSystemTop;
4487            dcf.right = mSystemRight;
4488            dcf.bottom = mSystemBottom;
4489            final boolean inheritTranslucentDecor = (attrs.privateFlags
4490                    & WindowManager.LayoutParams.PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR) != 0;
4491            final boolean isAppWindow =
4492                    attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW &&
4493                    attrs.type <= WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
4494            final boolean topAtRest =
4495                    win == mTopFullscreenOpaqueWindowState && !win.isAnimatingLw();
4496            if (isAppWindow && !inheritTranslucentDecor && !topAtRest) {
4497                if ((sysUiFl & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0
4498                        && (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) == 0
4499                        && (fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) == 0
4500                        && (fl & WindowManager.LayoutParams.
4501                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0
4502                        && (pfl & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND) == 0) {
4503                    // Ensure policy decor includes status bar
4504                    dcf.top = mStableTop;
4505                }
4506                if ((fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) == 0
4507                        && (sysUiFl & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0
4508                        && (fl & WindowManager.LayoutParams.
4509                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
4510                    // Ensure policy decor includes navigation bar
4511                    dcf.bottom = mStableBottom;
4512                    dcf.right = mStableRight;
4513                }
4514            }
4515
4516            if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
4517                    == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
4518                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle()
4519                            + "): IN_SCREEN, INSET_DECOR");
4520                // This is the case for a normal activity window: we want it
4521                // to cover all of the screen space, and it can take care of
4522                // moving its contents to account for screen decorations that
4523                // intrude into that space.
4524                if (attached != null) {
4525                    // If this window is attached to another, our display
4526                    // frame is the same as the one we are attached to.
4527                    setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4528                } else {
4529                    if (attrs.type == TYPE_STATUS_BAR_PANEL
4530                            || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
4531                        // Status bar panels are the only windows who can go on top of
4532                        // the status bar.  They are protected by the STATUS_BAR_SERVICE
4533                        // permission, so they have the same privileges as the status
4534                        // bar itself.
4535                        //
4536                        // However, they should still dodge the navigation bar if it exists.
4537
4538                        pf.left = df.left = of.left = hasNavBar
4539                                ? mDockLeft : mUnrestrictedScreenLeft;
4540                        pf.top = df.top = of.top = mUnrestrictedScreenTop;
4541                        pf.right = df.right = of.right = hasNavBar
4542                                ? mRestrictedScreenLeft+mRestrictedScreenWidth
4543                                : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4544                        pf.bottom = df.bottom = of.bottom = hasNavBar
4545                                ? mRestrictedScreenTop+mRestrictedScreenHeight
4546                                : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4547
4548                        if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4549                                        "Laying out status bar window: (%d,%d - %d,%d)",
4550                                        pf.left, pf.top, pf.right, pf.bottom));
4551                    } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4552                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4553                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4554                        // Asking to layout into the overscan region, so give it that pure
4555                        // unrestricted area.
4556                        pf.left = df.left = of.left = mOverscanScreenLeft;
4557                        pf.top = df.top = of.top = mOverscanScreenTop;
4558                        pf.right = df.right = of.right = mOverscanScreenLeft + mOverscanScreenWidth;
4559                        pf.bottom = df.bottom = of.bottom = mOverscanScreenTop
4560                                + mOverscanScreenHeight;
4561                    } else if (canHideNavigationBar()
4562                            && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4563                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4564                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4565                        // Asking for layout as if the nav bar is hidden, lets the
4566                        // application extend into the unrestricted overscan screen area.  We
4567                        // only do this for application windows to ensure no window that
4568                        // can be above the nav bar can do this.
4569                        pf.left = df.left = mOverscanScreenLeft;
4570                        pf.top = df.top = mOverscanScreenTop;
4571                        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4572                        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4573                        // We need to tell the app about where the frame inside the overscan
4574                        // is, so it can inset its content by that amount -- it didn't ask
4575                        // to actually extend itself into the overscan region.
4576                        of.left = mUnrestrictedScreenLeft;
4577                        of.top = mUnrestrictedScreenTop;
4578                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4579                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4580                    } else {
4581                        pf.left = df.left = mRestrictedOverscanScreenLeft;
4582                        pf.top = df.top = mRestrictedOverscanScreenTop;
4583                        pf.right = df.right = mRestrictedOverscanScreenLeft
4584                                + mRestrictedOverscanScreenWidth;
4585                        pf.bottom = df.bottom = mRestrictedOverscanScreenTop
4586                                + mRestrictedOverscanScreenHeight;
4587                        // We need to tell the app about where the frame inside the overscan
4588                        // is, so it can inset its content by that amount -- it didn't ask
4589                        // to actually extend itself into the overscan region.
4590                        of.left = mUnrestrictedScreenLeft;
4591                        of.top = mUnrestrictedScreenTop;
4592                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4593                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4594                    }
4595
4596                    if ((fl & FLAG_FULLSCREEN) == 0) {
4597                        if (win.isVoiceInteraction()) {
4598                            cf.left = mVoiceContentLeft;
4599                            cf.top = mVoiceContentTop;
4600                            cf.right = mVoiceContentRight;
4601                            cf.bottom = mVoiceContentBottom;
4602                        } else {
4603                            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4604                                cf.left = mDockLeft;
4605                                cf.top = mDockTop;
4606                                cf.right = mDockRight;
4607                                cf.bottom = mDockBottom;
4608                            } else {
4609                                cf.left = mContentLeft;
4610                                cf.top = mContentTop;
4611                                cf.right = mContentRight;
4612                                cf.bottom = mContentBottom;
4613                            }
4614                        }
4615                    } else {
4616                        // Full screen windows are always given a layout that is as if the
4617                        // status bar and other transient decors are gone.  This is to avoid
4618                        // bad states when moving from a window that is not hding the
4619                        // status bar to one that is.
4620                        cf.left = mRestrictedScreenLeft;
4621                        cf.top = mRestrictedScreenTop;
4622                        cf.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
4623                        cf.bottom = mRestrictedScreenTop + mRestrictedScreenHeight;
4624                    }
4625                    applyStableConstraints(sysUiFl, fl, cf);
4626                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4627                        vf.left = mCurLeft;
4628                        vf.top = mCurTop;
4629                        vf.right = mCurRight;
4630                        vf.bottom = mCurBottom;
4631                    } else {
4632                        vf.set(cf);
4633                    }
4634                }
4635            } else if ((fl & FLAG_LAYOUT_IN_SCREEN) != 0 || (sysUiFl
4636                    & (View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
4637                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION)) != 0) {
4638                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4639                        "): IN_SCREEN");
4640                // A window that has requested to fill the entire screen just
4641                // gets everything, period.
4642                if (attrs.type == TYPE_STATUS_BAR_PANEL
4643                        || attrs.type == TYPE_STATUS_BAR_SUB_PANEL
4644                        || attrs.type == TYPE_VOLUME_OVERLAY) {
4645                    pf.left = df.left = of.left = cf.left = hasNavBar
4646                            ? mDockLeft : mUnrestrictedScreenLeft;
4647                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4648                    pf.right = df.right = of.right = cf.right = hasNavBar
4649                                        ? mRestrictedScreenLeft+mRestrictedScreenWidth
4650                                        : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4651                    pf.bottom = df.bottom = of.bottom = cf.bottom = hasNavBar
4652                                          ? mRestrictedScreenTop+mRestrictedScreenHeight
4653                                          : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4654                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4655                                    "Laying out IN_SCREEN status bar window: (%d,%d - %d,%d)",
4656                                    pf.left, pf.top, pf.right, pf.bottom));
4657                } else if (attrs.type == TYPE_NAVIGATION_BAR
4658                        || attrs.type == TYPE_NAVIGATION_BAR_PANEL) {
4659                    // The navigation bar has Real Ultimate Power.
4660                    pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4661                    pf.top = df.top = of.top = mUnrestrictedScreenTop;
4662                    pf.right = df.right = of.right = mUnrestrictedScreenLeft
4663                            + mUnrestrictedScreenWidth;
4664                    pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop
4665                            + mUnrestrictedScreenHeight;
4666                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4667                                    "Laying out navigation bar window: (%d,%d - %d,%d)",
4668                                    pf.left, pf.top, pf.right, pf.bottom));
4669                } else if ((attrs.type == TYPE_SECURE_SYSTEM_OVERLAY
4670                                || attrs.type == TYPE_BOOT_PROGRESS
4671                                || attrs.type == TYPE_SCREENSHOT)
4672                        && ((fl & FLAG_FULLSCREEN) != 0)) {
4673                    // Fullscreen secure system overlays get what they ask for. Screenshot region
4674                    // selection overlay should also expand to full screen.
4675                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4676                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4677                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4678                            + mOverscanScreenWidth;
4679                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4680                            + mOverscanScreenHeight;
4681                } else if (attrs.type == TYPE_BOOT_PROGRESS) {
4682                    // Boot progress screen always covers entire display.
4683                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4684                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4685                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4686                            + mOverscanScreenWidth;
4687                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4688                            + mOverscanScreenHeight;
4689                } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4690                        && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4691                        && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4692                    // Asking to layout into the overscan region, so give it that pure
4693                    // unrestricted area.
4694                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4695                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4696                    pf.right = df.right = of.right = cf.right
4697                            = mOverscanScreenLeft + mOverscanScreenWidth;
4698                    pf.bottom = df.bottom = of.bottom = cf.bottom
4699                            = mOverscanScreenTop + mOverscanScreenHeight;
4700                } else if (canHideNavigationBar()
4701                        && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4702                        && (attrs.type == TYPE_STATUS_BAR
4703                            || attrs.type == TYPE_TOAST
4704                            || attrs.type == TYPE_DOCK_DIVIDER
4705                            || attrs.type == TYPE_VOICE_INTERACTION_STARTING
4706                            || (attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4707                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW))) {
4708                    // Asking for layout as if the nav bar is hidden, lets the
4709                    // application extend into the unrestricted screen area.  We
4710                    // only do this for application windows (or toasts) to ensure no window that
4711                    // can be above the nav bar can do this.
4712                    // XXX This assumes that an app asking for this will also
4713                    // ask for layout in only content.  We can't currently figure out
4714                    // what the screen would be if only laying out to hide the nav bar.
4715                    pf.left = df.left = of.left = cf.left = mUnrestrictedScreenLeft;
4716                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4717                    pf.right = df.right = of.right = cf.right = mUnrestrictedScreenLeft
4718                            + mUnrestrictedScreenWidth;
4719                    pf.bottom = df.bottom = of.bottom = cf.bottom = mUnrestrictedScreenTop
4720                            + mUnrestrictedScreenHeight;
4721                } else if ((sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN) != 0) {
4722                    pf.left = df.left = of.left = mRestrictedScreenLeft;
4723                    pf.top = df.top = of.top  = mRestrictedScreenTop;
4724                    pf.right = df.right = of.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
4725                    pf.bottom = df.bottom = of.bottom = mRestrictedScreenTop
4726                            + mRestrictedScreenHeight;
4727                    if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4728                        cf.left = mDockLeft;
4729                        cf.top = mDockTop;
4730                        cf.right = mDockRight;
4731                        cf.bottom = mDockBottom;
4732                    } else {
4733                        cf.left = mContentLeft;
4734                        cf.top = mContentTop;
4735                        cf.right = mContentRight;
4736                        cf.bottom = mContentBottom;
4737                    }
4738                } else {
4739                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4740                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4741                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4742                            + mRestrictedScreenWidth;
4743                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4744                            + mRestrictedScreenHeight;
4745                }
4746
4747                applyStableConstraints(sysUiFl, fl, cf);
4748
4749                if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4750                    vf.left = mCurLeft;
4751                    vf.top = mCurTop;
4752                    vf.right = mCurRight;
4753                    vf.bottom = mCurBottom;
4754                } else {
4755                    vf.set(cf);
4756                }
4757            } else if (attached != null) {
4758                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4759                        "): attached to " + attached);
4760                // A child window should be placed inside of the same visible
4761                // frame that its parent had.
4762                setAttachedWindowFrames(win, fl, adjust, attached, false, pf, df, of, cf, vf);
4763            } else {
4764                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4765                        "): normal window");
4766                // Otherwise, a normal window must be placed inside the content
4767                // of all screen decorations.
4768                if (attrs.type == TYPE_STATUS_BAR_PANEL || attrs.type == TYPE_VOLUME_OVERLAY) {
4769                    // Status bar panels and the volume dialog are the only windows who can go on
4770                    // top of the status bar.  They are protected by the STATUS_BAR_SERVICE
4771                    // permission, so they have the same privileges as the status
4772                    // bar itself.
4773                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4774                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4775                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4776                            + mRestrictedScreenWidth;
4777                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4778                            + mRestrictedScreenHeight;
4779                } else if (attrs.type == TYPE_TOAST || attrs.type == TYPE_SYSTEM_ALERT) {
4780                    // These dialogs are stable to interim decor changes.
4781                    pf.left = df.left = of.left = cf.left = mStableLeft;
4782                    pf.top = df.top = of.top = cf.top = mStableTop;
4783                    pf.right = df.right = of.right = cf.right = mStableRight;
4784                    pf.bottom = df.bottom = of.bottom = cf.bottom = mStableBottom;
4785                } else {
4786                    pf.left = mContentLeft;
4787                    pf.top = mContentTop;
4788                    pf.right = mContentRight;
4789                    pf.bottom = mContentBottom;
4790                    if (win.isVoiceInteraction()) {
4791                        df.left = of.left = cf.left = mVoiceContentLeft;
4792                        df.top = of.top = cf.top = mVoiceContentTop;
4793                        df.right = of.right = cf.right = mVoiceContentRight;
4794                        df.bottom = of.bottom = cf.bottom = mVoiceContentBottom;
4795                    } else if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4796                        df.left = of.left = cf.left = mDockLeft;
4797                        df.top = of.top = cf.top = mDockTop;
4798                        df.right = of.right = cf.right = mDockRight;
4799                        df.bottom = of.bottom = cf.bottom = mDockBottom;
4800                    } else {
4801                        df.left = of.left = cf.left = mContentLeft;
4802                        df.top = of.top = cf.top = mContentTop;
4803                        df.right = of.right = cf.right = mContentRight;
4804                        df.bottom = of.bottom = cf.bottom = mContentBottom;
4805                    }
4806                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4807                        vf.left = mCurLeft;
4808                        vf.top = mCurTop;
4809                        vf.right = mCurRight;
4810                        vf.bottom = mCurBottom;
4811                    } else {
4812                        vf.set(cf);
4813                    }
4814                }
4815            }
4816        }
4817
4818        // TYPE_SYSTEM_ERROR is above the NavigationBar so it can't be allowed to extend over it.
4819        // Also, we don't allow windows in multi-window mode to extend out of the screen.
4820        if ((fl & FLAG_LAYOUT_NO_LIMITS) != 0 && attrs.type != TYPE_SYSTEM_ERROR
4821                && !win.isInMultiWindowMode()) {
4822            df.left = df.top = -10000;
4823            df.right = df.bottom = 10000;
4824            if (attrs.type != TYPE_WALLPAPER) {
4825                of.left = of.top = cf.left = cf.top = vf.left = vf.top = -10000;
4826                of.right = of.bottom = cf.right = cf.bottom = vf.right = vf.bottom = 10000;
4827            }
4828        }
4829
4830        // If the device has a chin (e.g. some watches), a dead area at the bottom of the screen we
4831        // need to provide information to the clients that want to pretend that you can draw there.
4832        // We only want to apply outsets to certain types of windows. For example, we never want to
4833        // apply the outsets to floating dialogs, because they wouldn't make sense there.
4834        final boolean useOutsets = shouldUseOutsets(attrs, fl);
4835        if (isDefaultDisplay && useOutsets) {
4836            osf = mTmpOutsetFrame;
4837            osf.set(cf.left, cf.top, cf.right, cf.bottom);
4838            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
4839            if (outset > 0) {
4840                int rotation = mDisplayRotation;
4841                if (rotation == Surface.ROTATION_0) {
4842                    osf.bottom += outset;
4843                } else if (rotation == Surface.ROTATION_90) {
4844                    osf.right += outset;
4845                } else if (rotation == Surface.ROTATION_180) {
4846                    osf.top -= outset;
4847                } else if (rotation == Surface.ROTATION_270) {
4848                    osf.left -= outset;
4849                }
4850                if (DEBUG_LAYOUT) Slog.v(TAG, "applying bottom outset of " + outset
4851                        + " with rotation " + rotation + ", result: " + osf);
4852            }
4853        }
4854
4855        if (DEBUG_LAYOUT) Slog.v(TAG, "Compute frame " + attrs.getTitle()
4856                + ": sim=#" + Integer.toHexString(sim)
4857                + " attach=" + attached + " type=" + attrs.type
4858                + String.format(" flags=0x%08x", fl)
4859                + " pf=" + pf.toShortString() + " df=" + df.toShortString()
4860                + " of=" + of.toShortString()
4861                + " cf=" + cf.toShortString() + " vf=" + vf.toShortString()
4862                + " dcf=" + dcf.toShortString()
4863                + " sf=" + sf.toShortString()
4864                + " osf=" + (osf == null ? "null" : osf.toShortString()));
4865
4866        win.computeFrameLw(pf, df, of, cf, vf, dcf, sf, osf);
4867
4868        // Dock windows carve out the bottom of the screen, so normal windows
4869        // can't appear underneath them.
4870        if (attrs.type == TYPE_INPUT_METHOD && win.isVisibleOrBehindKeyguardLw()
4871                && win.isDisplayedLw() && !win.getGivenInsetsPendingLw()) {
4872            setLastInputMethodWindowLw(null, null);
4873            offsetInputMethodWindowLw(win);
4874        }
4875        if (attrs.type == TYPE_VOICE_INTERACTION && win.isVisibleOrBehindKeyguardLw()
4876                && !win.getGivenInsetsPendingLw()) {
4877            offsetVoiceInputWindowLw(win);
4878        }
4879    }
4880
4881    private void layoutWallpaper(WindowState win, Rect pf, Rect df, Rect of, Rect cf) {
4882
4883        // The wallpaper also has Real Ultimate Power, but we want to tell
4884        // it about the overscan area.
4885        pf.left = df.left = mOverscanScreenLeft;
4886        pf.top = df.top = mOverscanScreenTop;
4887        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4888        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4889        of.left = cf.left = mUnrestrictedScreenLeft;
4890        of.top = cf.top = mUnrestrictedScreenTop;
4891        of.right = cf.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4892        of.bottom = cf.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4893    }
4894
4895    private void offsetInputMethodWindowLw(WindowState win) {
4896        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4897        top += win.getGivenContentInsetsLw().top;
4898        if (mContentBottom > top) {
4899            mContentBottom = top;
4900        }
4901        if (mVoiceContentBottom > top) {
4902            mVoiceContentBottom = top;
4903        }
4904        top = win.getVisibleFrameLw().top;
4905        top += win.getGivenVisibleInsetsLw().top;
4906        if (mCurBottom > top) {
4907            mCurBottom = top;
4908        }
4909        if (DEBUG_LAYOUT) Slog.v(TAG, "Input method: mDockBottom="
4910                + mDockBottom + " mContentBottom="
4911                + mContentBottom + " mCurBottom=" + mCurBottom);
4912    }
4913
4914    private void offsetVoiceInputWindowLw(WindowState win) {
4915        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4916        top += win.getGivenContentInsetsLw().top;
4917        if (mVoiceContentBottom > top) {
4918            mVoiceContentBottom = top;
4919        }
4920    }
4921
4922    /** {@inheritDoc} */
4923    @Override
4924    public void finishLayoutLw() {
4925        return;
4926    }
4927
4928    /** {@inheritDoc} */
4929    @Override
4930    public void beginPostLayoutPolicyLw(int displayWidth, int displayHeight) {
4931        mTopFullscreenOpaqueWindowState = null;
4932        mTopFullscreenOpaqueOrDimmingWindowState = null;
4933        mTopDockedOpaqueWindowState = null;
4934        mTopDockedOpaqueOrDimmingWindowState = null;
4935        mAppsToBeHidden.clear();
4936        mAppsThatDismissKeyguard.clear();
4937        mForceStatusBar = false;
4938        mForceStatusBarFromKeyguard = false;
4939        mForceStatusBarTransparent = false;
4940        mForcingShowNavBar = false;
4941        mForcingShowNavBarLayer = -1;
4942
4943        mHideLockScreen = false;
4944        mAllowLockscreenWhenOn = false;
4945        mDismissKeyguard = DISMISS_KEYGUARD_NONE;
4946        mShowingLockscreen = false;
4947        mShowingDream = false;
4948        mWinShowWhenLocked = null;
4949        mKeyguardSecure = isKeyguardSecure(mCurrentUserId);
4950        mKeyguardSecureIncludingHidden = mKeyguardSecure
4951                && (mKeyguardDelegate != null && mKeyguardDelegate.isShowing());
4952    }
4953
4954    /** {@inheritDoc} */
4955    @Override
4956    public void applyPostLayoutPolicyLw(WindowState win, WindowManager.LayoutParams attrs,
4957            WindowState attached) {
4958        if (DEBUG_LAYOUT) Slog.i(TAG, "Win " + win + ": isVisibleOrBehindKeyguardLw="
4959                + win.isVisibleOrBehindKeyguardLw());
4960        final int fl = PolicyControl.getWindowFlags(win, attrs);
4961        if (mTopFullscreenOpaqueWindowState == null
4962                && win.isVisibleLw() && attrs.type == TYPE_INPUT_METHOD) {
4963            mForcingShowNavBar = true;
4964            mForcingShowNavBarLayer = win.getSurfaceLayer();
4965        }
4966        if (attrs.type == TYPE_STATUS_BAR) {
4967            if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4968                mForceStatusBarFromKeyguard = true;
4969                mShowingLockscreen = true;
4970            }
4971            if ((attrs.privateFlags & PRIVATE_FLAG_FORCE_STATUS_BAR_VISIBLE_TRANSPARENT) != 0) {
4972                mForceStatusBarTransparent = true;
4973            }
4974        }
4975
4976        boolean appWindow = attrs.type >= FIRST_APPLICATION_WINDOW
4977                && attrs.type < FIRST_SYSTEM_WINDOW;
4978        final boolean showWhenLocked = (fl & FLAG_SHOW_WHEN_LOCKED) != 0;
4979        final boolean dismissKeyguard = (fl & FLAG_DISMISS_KEYGUARD) != 0;
4980        final int stackId = win.getStackId();
4981        if (mTopFullscreenOpaqueWindowState == null &&
4982                win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()) {
4983            if ((fl & FLAG_FORCE_NOT_FULLSCREEN) != 0) {
4984                if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4985                    mForceStatusBarFromKeyguard = true;
4986                } else {
4987                    mForceStatusBar = true;
4988                }
4989            }
4990            if (attrs.type == TYPE_DREAM) {
4991                // If the lockscreen was showing when the dream started then wait
4992                // for the dream to draw before hiding the lockscreen.
4993                if (!mDreamingLockscreen
4994                        || (win.isVisibleLw() && win.hasDrawnLw())) {
4995                    mShowingDream = true;
4996                    appWindow = true;
4997                }
4998            }
4999
5000            final IApplicationToken appToken = win.getAppToken();
5001
5002            // For app windows that are not attached, we decide if all windows in the app they
5003            // represent should be hidden or if we should hide the lockscreen. For attached app
5004            // windows we defer the decision to the window it is attached to.
5005            if (appWindow && attached == null) {
5006                if (showWhenLocked) {
5007                    // Remove any previous windows with the same appToken.
5008                    mAppsToBeHidden.remove(appToken);
5009                    mAppsThatDismissKeyguard.remove(appToken);
5010                    if (mAppsToBeHidden.isEmpty()) {
5011                        if (dismissKeyguard && !mKeyguardSecure) {
5012                            mAppsThatDismissKeyguard.add(appToken);
5013                        } else if (win.isDrawnLw() || win.hasAppShownWindows()) {
5014                            mWinShowWhenLocked = win;
5015                            mHideLockScreen = true;
5016                            mForceStatusBarFromKeyguard = false;
5017                        }
5018                    }
5019                } else if (dismissKeyguard) {
5020                    if (mKeyguardSecure) {
5021                        mAppsToBeHidden.add(appToken);
5022                    } else {
5023                        mAppsToBeHidden.remove(appToken);
5024                    }
5025                    mAppsThatDismissKeyguard.add(appToken);
5026                } else {
5027                    mAppsToBeHidden.add(appToken);
5028                }
5029                if (isFullscreen(attrs) && StackId.normallyFullscreenWindows(stackId)) {
5030                    if (DEBUG_LAYOUT) Slog.v(TAG, "Fullscreen window: " + win);
5031                    mTopFullscreenOpaqueWindowState = win;
5032                    if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
5033                        mTopFullscreenOpaqueOrDimmingWindowState = win;
5034                    }
5035                    if (!mAppsThatDismissKeyguard.isEmpty() &&
5036                            mDismissKeyguard == DISMISS_KEYGUARD_NONE) {
5037                        if (DEBUG_LAYOUT) Slog.v(TAG,
5038                                "Setting mDismissKeyguard true by win " + win);
5039                        mDismissKeyguard = (mWinDismissingKeyguard == win
5040                                && mSecureDismissingKeyguard == mKeyguardSecure)
5041                                ? DISMISS_KEYGUARD_CONTINUE : DISMISS_KEYGUARD_START;
5042                        mWinDismissingKeyguard = win;
5043                        mSecureDismissingKeyguard = mKeyguardSecure;
5044                        mForceStatusBarFromKeyguard = mShowingLockscreen && mKeyguardSecure;
5045                    } else if (mAppsToBeHidden.isEmpty() && showWhenLocked
5046                            && (win.isDrawnLw() || win.hasAppShownWindows())) {
5047                        if (DEBUG_LAYOUT) Slog.v(TAG,
5048                                "Setting mHideLockScreen to true by win " + win);
5049                        mHideLockScreen = true;
5050                        mForceStatusBarFromKeyguard = false;
5051                    }
5052                    if ((fl & FLAG_ALLOW_LOCK_WHILE_SCREEN_ON) != 0) {
5053                        mAllowLockscreenWhenOn = true;
5054                    }
5055                }
5056
5057                if (!mKeyguardHidden && mWinShowWhenLocked != null &&
5058                        mWinShowWhenLocked.getAppToken() != win.getAppToken() &&
5059                        (attrs.flags & FLAG_SHOW_WHEN_LOCKED) == 0) {
5060                    win.hideLw(false);
5061                }
5062            }
5063        } else if (mTopFullscreenOpaqueWindowState == null && mWinShowWhenLocked == null) {
5064            // No TopFullscreenOpaqueWindow is showing, but we found a SHOW_WHEN_LOCKED window
5065            // that is being hidden in an animation - keep the
5066            // keyguard hidden until the new window shows up and
5067            // we know whether to show the keyguard or not.
5068            if (win.isAnimatingLw() && appWindow && showWhenLocked && mKeyguardHidden) {
5069                mHideLockScreen = true;
5070                mWinShowWhenLocked = win;
5071            }
5072        }
5073
5074        final boolean reallyVisible = win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw();
5075
5076        // Voice interaction overrides both top fullscreen and top docked.
5077        if (reallyVisible && win.getAttrs().type == TYPE_VOICE_INTERACTION) {
5078            if (mTopFullscreenOpaqueWindowState == null) {
5079                mTopFullscreenOpaqueWindowState = win;
5080                if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
5081                    mTopFullscreenOpaqueOrDimmingWindowState = win;
5082                }
5083            }
5084            if (mTopDockedOpaqueWindowState == null) {
5085                mTopDockedOpaqueWindowState = win;
5086                if (mTopDockedOpaqueOrDimmingWindowState == null) {
5087                    mTopDockedOpaqueOrDimmingWindowState = win;
5088                }
5089            }
5090        }
5091
5092        // Keep track of the window if it's dimming but not necessarily fullscreen.
5093        if (mTopFullscreenOpaqueOrDimmingWindowState == null && reallyVisible
5094                && win.isDimming() && StackId.normallyFullscreenWindows(stackId)) {
5095            mTopFullscreenOpaqueOrDimmingWindowState = win;
5096        }
5097
5098        // We need to keep track of the top "fullscreen" opaque window for the docked stack
5099        // separately, because both the "real fullscreen" opaque window and the one for the docked
5100        // stack can control View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR.
5101        if (mTopDockedOpaqueWindowState == null && reallyVisible && appWindow && attached == null
5102                && isFullscreen(attrs) && stackId == DOCKED_STACK_ID) {
5103            mTopDockedOpaqueWindowState = win;
5104            if (mTopDockedOpaqueOrDimmingWindowState == null) {
5105                mTopDockedOpaqueOrDimmingWindowState = win;
5106            }
5107        }
5108
5109        // Also keep track of any windows that are dimming but not necessarily fullscreen in the
5110        // docked stack.
5111        if (mTopDockedOpaqueOrDimmingWindowState == null && reallyVisible && win.isDimming()
5112                && stackId == DOCKED_STACK_ID) {
5113            mTopDockedOpaqueOrDimmingWindowState = win;
5114        }
5115    }
5116
5117    private boolean isFullscreen(WindowManager.LayoutParams attrs) {
5118        return attrs.x == 0 && attrs.y == 0
5119                && attrs.width == WindowManager.LayoutParams.MATCH_PARENT
5120                && attrs.height == WindowManager.LayoutParams.MATCH_PARENT;
5121    }
5122
5123    /** {@inheritDoc} */
5124    @Override
5125    public int finishPostLayoutPolicyLw() {
5126        if (mWinShowWhenLocked != null && mTopFullscreenOpaqueWindowState != null &&
5127                mWinShowWhenLocked.getAppToken() != mTopFullscreenOpaqueWindowState.getAppToken()
5128                && isKeyguardLocked()) {
5129            // A dialog is dismissing the keyguard. Put the wallpaper behind it and hide the
5130            // fullscreen window.
5131            // TODO: Make sure FLAG_SHOW_WALLPAPER is restored when dialog is dismissed. Or not.
5132            mWinShowWhenLocked.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
5133            mTopFullscreenOpaqueWindowState.hideLw(false);
5134            mTopFullscreenOpaqueWindowState = mWinShowWhenLocked;
5135        }
5136
5137        int changes = 0;
5138        boolean topIsFullscreen = false;
5139
5140        final WindowManager.LayoutParams lp = (mTopFullscreenOpaqueWindowState != null)
5141                ? mTopFullscreenOpaqueWindowState.getAttrs()
5142                : null;
5143
5144        // If we are not currently showing a dream then remember the current
5145        // lockscreen state.  We will use this to determine whether the dream
5146        // started while the lockscreen was showing and remember this state
5147        // while the dream is showing.
5148        if (!mShowingDream) {
5149            mDreamingLockscreen = mShowingLockscreen;
5150            if (mDreamingSleepTokenNeeded) {
5151                mDreamingSleepTokenNeeded = false;
5152                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 0, 1).sendToTarget();
5153            }
5154        } else {
5155            if (!mDreamingSleepTokenNeeded) {
5156                mDreamingSleepTokenNeeded = true;
5157                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 1, 1).sendToTarget();
5158            }
5159        }
5160
5161        if (mStatusBar != null) {
5162            if (DEBUG_LAYOUT) Slog.i(TAG, "force=" + mForceStatusBar
5163                    + " forcefkg=" + mForceStatusBarFromKeyguard
5164                    + " top=" + mTopFullscreenOpaqueWindowState);
5165            boolean shouldBeTransparent = mForceStatusBarTransparent
5166                    && !mForceStatusBar
5167                    && !mForceStatusBarFromKeyguard;
5168            if (!shouldBeTransparent) {
5169                mStatusBarController.setShowTransparent(false /* transparent */);
5170            } else if (!mStatusBar.isVisibleLw()) {
5171                mStatusBarController.setShowTransparent(true /* transparent */);
5172            }
5173
5174            WindowManager.LayoutParams statusBarAttrs = mStatusBar.getAttrs();
5175            boolean statusBarExpanded = statusBarAttrs.height == MATCH_PARENT
5176                    && statusBarAttrs.width == MATCH_PARENT;
5177            if (mForceStatusBar || mForceStatusBarFromKeyguard || mForceStatusBarTransparent
5178                    || statusBarExpanded) {
5179                if (DEBUG_LAYOUT) Slog.v(TAG, "Showing status bar: forced");
5180                if (mStatusBarController.setBarShowingLw(true)) {
5181                    changes |= FINISH_LAYOUT_REDO_LAYOUT;
5182                }
5183                // Maintain fullscreen layout until incoming animation is complete.
5184                topIsFullscreen = mTopIsFullscreen && mStatusBar.isAnimatingLw();
5185                // Transient status bar on the lockscreen is not allowed
5186                if (mForceStatusBarFromKeyguard && mStatusBarController.isTransientShowing()) {
5187                    mStatusBarController.updateVisibilityLw(false /*transientAllowed*/,
5188                            mLastSystemUiFlags, mLastSystemUiFlags);
5189                }
5190                if (statusBarExpanded && mNavigationBar != null) {
5191                    if (mNavigationBarController.setBarShowingLw(true)) {
5192                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5193                    }
5194                }
5195            } else if (mTopFullscreenOpaqueWindowState != null) {
5196                final int fl = PolicyControl.getWindowFlags(null, lp);
5197                if (localLOGV) {
5198                    Slog.d(TAG, "frame: " + mTopFullscreenOpaqueWindowState.getFrameLw()
5199                            + " shown position: "
5200                            + mTopFullscreenOpaqueWindowState.getShownPositionLw());
5201                    Slog.d(TAG, "attr: " + mTopFullscreenOpaqueWindowState.getAttrs()
5202                            + " lp.flags=0x" + Integer.toHexString(fl));
5203                }
5204                topIsFullscreen = (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0
5205                        || (mLastSystemUiFlags & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
5206                // The subtle difference between the window for mTopFullscreenOpaqueWindowState
5207                // and mTopIsFullscreen is that mTopIsFullscreen is set only if the window
5208                // has the FLAG_FULLSCREEN set.  Not sure if there is another way that to be the
5209                // case though.
5210                if (mStatusBarController.isTransientShowing()) {
5211                    if (mStatusBarController.setBarShowingLw(true)) {
5212                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5213                    }
5214                } else if (topIsFullscreen
5215                        && !mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID)
5216                        && !mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID)) {
5217                    if (DEBUG_LAYOUT) Slog.v(TAG, "** HIDING status bar");
5218                    if (mStatusBarController.setBarShowingLw(false)) {
5219                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5220                    } else {
5221                        if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar already hiding");
5222                    }
5223                } else {
5224                    if (DEBUG_LAYOUT) Slog.v(TAG, "** SHOWING status bar: top is not fullscreen");
5225                    if (mStatusBarController.setBarShowingLw(true)) {
5226                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5227                    }
5228                }
5229            }
5230        }
5231
5232        if (mTopIsFullscreen != topIsFullscreen) {
5233            if (!topIsFullscreen) {
5234                // Force another layout when status bar becomes fully shown.
5235                changes |= FINISH_LAYOUT_REDO_LAYOUT;
5236            }
5237            mTopIsFullscreen = topIsFullscreen;
5238        }
5239
5240        // Hide the key guard if a visible window explicitly specifies that it wants to be
5241        // displayed when the screen is locked.
5242        if (mKeyguardDelegate != null && mStatusBar != null) {
5243            if (localLOGV) Slog.v(TAG, "finishPostLayoutPolicyLw: mHideKeyguard="
5244                    + mHideLockScreen);
5245            if (mDismissKeyguard != DISMISS_KEYGUARD_NONE && !mKeyguardSecure) {
5246                mKeyguardHidden = true;
5247                if (setKeyguardOccludedLw(true)) {
5248                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5249                            | FINISH_LAYOUT_REDO_CONFIG
5250                            | FINISH_LAYOUT_REDO_WALLPAPER;
5251                }
5252                if (mKeyguardDelegate.isShowing()) {
5253                    mHandler.post(new Runnable() {
5254                        @Override
5255                        public void run() {
5256                            mKeyguardDelegate.keyguardDone(false, false);
5257                        }
5258                    });
5259                }
5260            } else if (mHideLockScreen) {
5261                mKeyguardHidden = true;
5262                mWinDismissingKeyguard = null;
5263                if (setKeyguardOccludedLw(true)) {
5264                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5265                            | FINISH_LAYOUT_REDO_CONFIG
5266                            | FINISH_LAYOUT_REDO_WALLPAPER;
5267                }
5268            } else if (mDismissKeyguard != DISMISS_KEYGUARD_NONE) {
5269                mKeyguardHidden = false;
5270                final boolean trusted = mKeyguardDelegate.isTrusted();
5271                if (trusted) {
5272                    // No need to un-occlude keyguard - we'll dimiss it right away anyways.
5273                } else if (setKeyguardOccludedLw(false)) {
5274                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5275                            | FINISH_LAYOUT_REDO_CONFIG
5276                            | FINISH_LAYOUT_REDO_WALLPAPER;
5277                }
5278                if (mDismissKeyguard == DISMISS_KEYGUARD_START) {
5279                    // Only launch the next keyguard unlock window once per window.
5280                    mHandler.post(new Runnable() {
5281                        @Override
5282                        public void run() {
5283                            mKeyguardDelegate.dismiss(trusted /* allowWhileOccluded */);
5284                        }
5285                    });
5286                }
5287            } else {
5288                mWinDismissingKeyguard = null;
5289                mSecureDismissingKeyguard = false;
5290                mKeyguardHidden = false;
5291                if (setKeyguardOccludedLw(false)) {
5292                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5293                            | FINISH_LAYOUT_REDO_CONFIG
5294                            | FINISH_LAYOUT_REDO_WALLPAPER;
5295                }
5296            }
5297        }
5298
5299        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
5300            // If the navigation bar has been hidden or shown, we need to do another
5301            // layout pass to update that window.
5302            changes |= FINISH_LAYOUT_REDO_LAYOUT;
5303        }
5304
5305        // update since mAllowLockscreenWhenOn might have changed
5306        updateLockScreenTimeout();
5307        return changes;
5308    }
5309
5310    /**
5311     * Updates the occluded state of the Keyguard.
5312     *
5313     * @return Whether the flags have changed and we have to redo the layout.
5314     */
5315    private boolean setKeyguardOccludedLw(boolean isOccluded) {
5316        boolean wasOccluded = mKeyguardOccluded;
5317        boolean showing = mKeyguardDelegate.isShowing();
5318        if (wasOccluded && !isOccluded && showing) {
5319            mKeyguardOccluded = false;
5320            mKeyguardDelegate.setOccluded(false);
5321            mStatusBar.getAttrs().privateFlags |= PRIVATE_FLAG_KEYGUARD;
5322            if (!mKeyguardDelegate.hasLockscreenWallpaper()) {
5323                mStatusBar.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
5324            }
5325            return true;
5326        } else if (!wasOccluded && isOccluded && showing) {
5327            mKeyguardOccluded = true;
5328            mKeyguardDelegate.setOccluded(true);
5329            mStatusBar.getAttrs().privateFlags &= ~PRIVATE_FLAG_KEYGUARD;
5330            mStatusBar.getAttrs().flags &= ~FLAG_SHOW_WALLPAPER;
5331            return true;
5332        } else {
5333            return false;
5334        }
5335    }
5336
5337    private boolean isStatusBarKeyguard() {
5338        return mStatusBar != null
5339                && (mStatusBar.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
5340    }
5341
5342    @Override
5343    public boolean allowAppAnimationsLw() {
5344        if (isStatusBarKeyguard() || mShowingDream) {
5345            // If keyguard or dreams is currently visible, no reason to animate behind it.
5346            return false;
5347        }
5348        return true;
5349    }
5350
5351    @Override
5352    public int focusChangedLw(WindowState lastFocus, WindowState newFocus) {
5353        mFocusedWindow = newFocus;
5354        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
5355            // If the navigation bar has been hidden or shown, we need to do another
5356            // layout pass to update that window.
5357            return FINISH_LAYOUT_REDO_LAYOUT;
5358        }
5359        return 0;
5360    }
5361
5362    /** {@inheritDoc} */
5363    @Override
5364    public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
5365        // lid changed state
5366        final int newLidState = lidOpen ? LID_OPEN : LID_CLOSED;
5367        if (newLidState == mLidState) {
5368            return;
5369        }
5370
5371        mLidState = newLidState;
5372        applyLidSwitchState();
5373        updateRotation(true);
5374
5375        if (lidOpen) {
5376            wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromLidSwitch,
5377                    "android.policy:LID");
5378        } else if (!mLidControlsSleep) {
5379            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
5380        }
5381    }
5382
5383    @Override
5384    public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) {
5385        int lensCoverState = lensCovered ? CAMERA_LENS_COVERED : CAMERA_LENS_UNCOVERED;
5386        if (mCameraLensCoverState == lensCoverState) {
5387            return;
5388        }
5389        if (mCameraLensCoverState == CAMERA_LENS_COVERED &&
5390                lensCoverState == CAMERA_LENS_UNCOVERED) {
5391            Intent intent;
5392            final boolean keyguardActive = mKeyguardDelegate == null ? false :
5393                    mKeyguardDelegate.isShowing();
5394            if (keyguardActive) {
5395                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);
5396            } else {
5397                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
5398            }
5399            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromCameraLens,
5400                    "android.policy:CAMERA_COVER");
5401            startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
5402        }
5403        mCameraLensCoverState = lensCoverState;
5404    }
5405
5406    void setHdmiPlugged(boolean plugged) {
5407        if (mHdmiPlugged != plugged) {
5408            mHdmiPlugged = plugged;
5409            updateRotation(true, true);
5410            Intent intent = new Intent(ACTION_HDMI_PLUGGED);
5411            intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
5412            intent.putExtra(EXTRA_HDMI_PLUGGED_STATE, plugged);
5413            mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
5414        }
5415    }
5416
5417    void initializeHdmiState() {
5418        boolean plugged = false;
5419        // watch for HDMI plug messages if the hdmi switch exists
5420        if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
5421            mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
5422
5423            final String filename = "/sys/class/switch/hdmi/state";
5424            FileReader reader = null;
5425            try {
5426                reader = new FileReader(filename);
5427                char[] buf = new char[15];
5428                int n = reader.read(buf);
5429                if (n > 1) {
5430                    plugged = 0 != Integer.parseInt(new String(buf, 0, n-1));
5431                }
5432            } catch (IOException ex) {
5433                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
5434            } catch (NumberFormatException ex) {
5435                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
5436            } finally {
5437                if (reader != null) {
5438                    try {
5439                        reader.close();
5440                    } catch (IOException ex) {
5441                    }
5442                }
5443            }
5444        }
5445        // This dance forces the code in setHdmiPlugged to run.
5446        // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
5447        mHdmiPlugged = !plugged;
5448        setHdmiPlugged(!mHdmiPlugged);
5449    }
5450
5451    final Object mScreenshotLock = new Object();
5452    ServiceConnection mScreenshotConnection = null;
5453
5454    final Runnable mScreenshotTimeout = new Runnable() {
5455        @Override public void run() {
5456            synchronized (mScreenshotLock) {
5457                if (mScreenshotConnection != null) {
5458                    mContext.unbindService(mScreenshotConnection);
5459                    mScreenshotConnection = null;
5460                    notifyScreenshotError();
5461                }
5462            }
5463        }
5464    };
5465
5466    // Assume this is called from the Handler thread.
5467    private void takeScreenshot(final int screenshotType) {
5468        synchronized (mScreenshotLock) {
5469            if (mScreenshotConnection != null) {
5470                return;
5471            }
5472            final ComponentName serviceComponent = new ComponentName(SYSUI_PACKAGE,
5473                    SYSUI_SCREENSHOT_SERVICE);
5474            final Intent serviceIntent = new Intent();
5475            serviceIntent.setComponent(serviceComponent);
5476            ServiceConnection conn = new ServiceConnection() {
5477                @Override
5478                public void onServiceConnected(ComponentName name, IBinder service) {
5479                    synchronized (mScreenshotLock) {
5480                        if (mScreenshotConnection != this) {
5481                            return;
5482                        }
5483                        Messenger messenger = new Messenger(service);
5484                        Message msg = Message.obtain(null, screenshotType);
5485                        final ServiceConnection myConn = this;
5486                        Handler h = new Handler(mHandler.getLooper()) {
5487                            @Override
5488                            public void handleMessage(Message msg) {
5489                                synchronized (mScreenshotLock) {
5490                                    if (mScreenshotConnection == myConn) {
5491                                        mContext.unbindService(mScreenshotConnection);
5492                                        mScreenshotConnection = null;
5493                                        mHandler.removeCallbacks(mScreenshotTimeout);
5494                                    }
5495                                }
5496                            }
5497                        };
5498                        msg.replyTo = new Messenger(h);
5499                        msg.arg1 = msg.arg2 = 0;
5500                        if (mStatusBar != null && mStatusBar.isVisibleLw())
5501                            msg.arg1 = 1;
5502                        if (mNavigationBar != null && mNavigationBar.isVisibleLw())
5503                            msg.arg2 = 1;
5504                        try {
5505                            messenger.send(msg);
5506                        } catch (RemoteException e) {
5507                        }
5508                    }
5509                }
5510
5511                @Override
5512                public void onServiceDisconnected(ComponentName name) {
5513                    notifyScreenshotError();
5514                }
5515            };
5516            if (mContext.bindServiceAsUser(serviceIntent, conn,
5517                    Context.BIND_AUTO_CREATE | Context.BIND_FOREGROUND_SERVICE_WHILE_AWAKE,
5518                    UserHandle.CURRENT)) {
5519                mScreenshotConnection = conn;
5520                mHandler.postDelayed(mScreenshotTimeout, 10000);
5521            }
5522        }
5523    }
5524
5525    /**
5526     * Notifies the screenshot service to show an error.
5527     */
5528    private void notifyScreenshotError() {
5529        // If the service process is killed, then ask it to clean up after itself
5530        final ComponentName errorComponent = new ComponentName(SYSUI_PACKAGE,
5531                SYSUI_SCREENSHOT_ERROR_RECEIVER);
5532        Intent errorIntent = new Intent(Intent.ACTION_USER_PRESENT);
5533        errorIntent.setComponent(errorComponent);
5534        errorIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT |
5535                Intent.FLAG_RECEIVER_FOREGROUND);
5536        mContext.sendBroadcastAsUser(errorIntent, UserHandle.CURRENT);
5537    }
5538
5539    /** {@inheritDoc} */
5540    @Override
5541    public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) {
5542        if (!mSystemBooted) {
5543            // If we have not yet booted, don't let key events do anything.
5544            return 0;
5545        }
5546
5547        final boolean interactive = (policyFlags & FLAG_INTERACTIVE) != 0;
5548        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
5549        final boolean canceled = event.isCanceled();
5550        final int keyCode = event.getKeyCode();
5551
5552        final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;
5553
5554        // If screen is off then we treat the case where the keyguard is open but hidden
5555        // the same as if it were open and in front.
5556        // This will prevent any keys other than the power button from waking the screen
5557        // when the keyguard is hidden by another activity.
5558        final boolean keyguardActive = (mKeyguardDelegate == null ? false :
5559                                            (interactive ?
5560                                                isKeyguardShowingAndNotOccluded() :
5561                                                mKeyguardDelegate.isShowing()));
5562
5563        if (DEBUG_INPUT) {
5564            Log.d(TAG, "interceptKeyTq keycode=" + keyCode
5565                    + " interactive=" + interactive + " keyguardActive=" + keyguardActive
5566                    + " policyFlags=" + Integer.toHexString(policyFlags));
5567        }
5568
5569        // Basic policy based on interactive state.
5570        int result;
5571        boolean isWakeKey = (policyFlags & WindowManagerPolicy.FLAG_WAKE) != 0
5572                || event.isWakeKey();
5573        if (interactive || (isInjected && !isWakeKey)) {
5574            // When the device is interactive or the key is injected pass the
5575            // key to the application.
5576            result = ACTION_PASS_TO_USER;
5577            isWakeKey = false;
5578
5579            if (interactive) {
5580                // If the screen is awake, but the button pressed was the one that woke the device
5581                // then don't pass it to the application
5582                if (keyCode == mPendingWakeKey && !down) {
5583                    result = 0;
5584                }
5585                // Reset the pending key
5586                mPendingWakeKey = PENDING_KEY_NULL;
5587            }
5588        } else if (!interactive && shouldDispatchInputWhenNonInteractive(event)) {
5589            // If we're currently dozing with the screen on and the keyguard showing, pass the key
5590            // to the application but preserve its wake key status to make sure we still move
5591            // from dozing to fully interactive if we would normally go from off to fully
5592            // interactive.
5593            result = ACTION_PASS_TO_USER;
5594            // Since we're dispatching the input, reset the pending key
5595            mPendingWakeKey = PENDING_KEY_NULL;
5596        } else {
5597            // When the screen is off and the key is not injected, determine whether
5598            // to wake the device but don't pass the key to the application.
5599            result = 0;
5600            if (isWakeKey && (!down || !isWakeKeyWhenScreenOff(keyCode))) {
5601                isWakeKey = false;
5602            }
5603            // Cache the wake key on down event so we can also avoid sending the up event to the app
5604            if (isWakeKey && down) {
5605                mPendingWakeKey = keyCode;
5606            }
5607        }
5608
5609        // If the key would be handled globally, just return the result, don't worry about special
5610        // key processing.
5611        if (isValidGlobalKey(keyCode)
5612                && mGlobalKeyManager.shouldHandleGlobalKey(keyCode, event)) {
5613            if (isWakeKey) {
5614                wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5615            }
5616            return result;
5617        }
5618
5619        boolean useHapticFeedback = down
5620                && (policyFlags & WindowManagerPolicy.FLAG_VIRTUAL) != 0
5621                && event.getRepeatCount() == 0;
5622
5623        // Handle special keys.
5624        switch (keyCode) {
5625            case KeyEvent.KEYCODE_BACK: {
5626                if (down) {
5627                    mBackKeyHandled = false;
5628                    if (hasLongPressOnBackBehavior()) {
5629                        Message msg = mHandler.obtainMessage(MSG_BACK_LONG_PRESS);
5630                        msg.setAsynchronous(true);
5631                        mHandler.sendMessageDelayed(msg,
5632                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
5633                    }
5634                } else {
5635                    boolean handled = mBackKeyHandled;
5636
5637                    // Reset back key state
5638                    cancelPendingBackKeyAction();
5639
5640                    // Don't pass back press to app if we've already handled it
5641                    if (handled) {
5642                        result &= ~ACTION_PASS_TO_USER;
5643                    }
5644                }
5645                break;
5646            }
5647
5648            case KeyEvent.KEYCODE_VOLUME_DOWN:
5649            case KeyEvent.KEYCODE_VOLUME_UP:
5650            case KeyEvent.KEYCODE_VOLUME_MUTE: {
5651                if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
5652                    if (down) {
5653                        if (interactive && !mScreenshotChordVolumeDownKeyTriggered
5654                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5655                            mScreenshotChordVolumeDownKeyTriggered = true;
5656                            mScreenshotChordVolumeDownKeyTime = event.getDownTime();
5657                            mScreenshotChordVolumeDownKeyConsumed = false;
5658                            cancelPendingPowerKeyAction();
5659                            interceptScreenshotChord();
5660                        }
5661                    } else {
5662                        mScreenshotChordVolumeDownKeyTriggered = false;
5663                        cancelPendingScreenshotChordAction();
5664                    }
5665                } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
5666                    if (down) {
5667                        if (interactive && !mScreenshotChordVolumeUpKeyTriggered
5668                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5669                            mScreenshotChordVolumeUpKeyTriggered = true;
5670                            cancelPendingPowerKeyAction();
5671                            cancelPendingScreenshotChordAction();
5672                        }
5673                    } else {
5674                        mScreenshotChordVolumeUpKeyTriggered = false;
5675                        cancelPendingScreenshotChordAction();
5676                    }
5677                }
5678                if (down) {
5679                    TelecomManager telecomManager = getTelecommService();
5680                    if (telecomManager != null) {
5681                        if (telecomManager.isRinging()) {
5682                            // If an incoming call is ringing, either VOLUME key means
5683                            // "silence ringer".  We handle these keys here, rather than
5684                            // in the InCallScreen, to make sure we'll respond to them
5685                            // even if the InCallScreen hasn't come to the foreground yet.
5686                            // Look for the DOWN event here, to agree with the "fallback"
5687                            // behavior in the InCallScreen.
5688                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5689                                  + " VOLUME key-down while ringing: Silence ringer!");
5690
5691                            // Silence the ringer.  (It's safe to call this
5692                            // even if the ringer has already been silenced.)
5693                            telecomManager.silenceRinger();
5694
5695                            // And *don't* pass this key thru to the current activity
5696                            // (which is probably the InCallScreen.)
5697                            result &= ~ACTION_PASS_TO_USER;
5698                            break;
5699                        }
5700                        if (telecomManager.isInCall()
5701                                && (result & ACTION_PASS_TO_USER) == 0) {
5702                            // If we are in call but we decided not to pass the key to
5703                            // the application, just pass it to the session service.
5704
5705                            MediaSessionLegacyHelper.getHelper(mContext)
5706                                    .sendVolumeKeyEvent(event, false);
5707                            break;
5708                        }
5709                    }
5710                }
5711                if (mUseTvRouting) {
5712                    // On TVs, defer special key handlings to
5713                    // {@link interceptKeyBeforeDispatching()}.
5714                    result |= ACTION_PASS_TO_USER;
5715                } else if ((result & ACTION_PASS_TO_USER) == 0) {
5716                    // If we aren't passing to the user and no one else
5717                    // handled it send it to the session manager to
5718                    // figure out.
5719                    MediaSessionLegacyHelper.getHelper(mContext)
5720                            .sendVolumeKeyEvent(event, true);
5721                }
5722                break;
5723            }
5724
5725            case KeyEvent.KEYCODE_ENDCALL: {
5726                result &= ~ACTION_PASS_TO_USER;
5727                if (down) {
5728                    TelecomManager telecomManager = getTelecommService();
5729                    boolean hungUp = false;
5730                    if (telecomManager != null) {
5731                        hungUp = telecomManager.endCall();
5732                    }
5733                    if (interactive && !hungUp) {
5734                        mEndCallKeyHandled = false;
5735                        mHandler.postDelayed(mEndCallLongPress,
5736                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
5737                    } else {
5738                        mEndCallKeyHandled = true;
5739                    }
5740                } else {
5741                    if (!mEndCallKeyHandled) {
5742                        mHandler.removeCallbacks(mEndCallLongPress);
5743                        if (!canceled) {
5744                            if ((mEndcallBehavior
5745                                    & Settings.System.END_BUTTON_BEHAVIOR_HOME) != 0) {
5746                                if (goHome()) {
5747                                    break;
5748                                }
5749                            }
5750                            if ((mEndcallBehavior
5751                                    & Settings.System.END_BUTTON_BEHAVIOR_SLEEP) != 0) {
5752                                mPowerManager.goToSleep(event.getEventTime(),
5753                                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
5754                                isWakeKey = false;
5755                            }
5756                        }
5757                    }
5758                }
5759                break;
5760            }
5761
5762            case KeyEvent.KEYCODE_POWER: {
5763                result &= ~ACTION_PASS_TO_USER;
5764                isWakeKey = false; // wake-up will be handled separately
5765                if (down) {
5766                    interceptPowerKeyDown(event, interactive);
5767                } else {
5768                    interceptPowerKeyUp(event, interactive, canceled);
5769                }
5770                break;
5771            }
5772
5773            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_DOWN:
5774                // fall through
5775            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_UP:
5776                // fall through
5777            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_LEFT:
5778                // fall through
5779            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_RIGHT: {
5780                result &= ~ACTION_PASS_TO_USER;
5781                interceptSystemNavigationKey(event);
5782                break;
5783            }
5784
5785            case KeyEvent.KEYCODE_SLEEP: {
5786                result &= ~ACTION_PASS_TO_USER;
5787                isWakeKey = false;
5788                if (!mPowerManager.isInteractive()) {
5789                    useHapticFeedback = false; // suppress feedback if already non-interactive
5790                }
5791                if (down) {
5792                    sleepPress(event.getEventTime());
5793                } else {
5794                    sleepRelease(event.getEventTime());
5795                }
5796                break;
5797            }
5798
5799            case KeyEvent.KEYCODE_SOFT_SLEEP: {
5800                result &= ~ACTION_PASS_TO_USER;
5801                isWakeKey = false;
5802                if (!down) {
5803                    mPowerManagerInternal.setUserInactiveOverrideFromWindowManager();
5804                }
5805                break;
5806            }
5807
5808            case KeyEvent.KEYCODE_WAKEUP: {
5809                result &= ~ACTION_PASS_TO_USER;
5810                isWakeKey = true;
5811                break;
5812            }
5813
5814            case KeyEvent.KEYCODE_MEDIA_PLAY:
5815            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5816            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5817            case KeyEvent.KEYCODE_HEADSETHOOK:
5818            case KeyEvent.KEYCODE_MUTE:
5819            case KeyEvent.KEYCODE_MEDIA_STOP:
5820            case KeyEvent.KEYCODE_MEDIA_NEXT:
5821            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5822            case KeyEvent.KEYCODE_MEDIA_REWIND:
5823            case KeyEvent.KEYCODE_MEDIA_RECORD:
5824            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5825            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: {
5826                if (MediaSessionLegacyHelper.getHelper(mContext).isGlobalPriorityActive()) {
5827                    // If the global session is active pass all media keys to it
5828                    // instead of the active window.
5829                    result &= ~ACTION_PASS_TO_USER;
5830                }
5831                if ((result & ACTION_PASS_TO_USER) == 0) {
5832                    // Only do this if we would otherwise not pass it to the user. In that
5833                    // case, the PhoneWindow class will do the same thing, except it will
5834                    // only do it if the showing app doesn't process the key on its own.
5835                    // Note that we need to make a copy of the key event here because the
5836                    // original key event will be recycled when we return.
5837                    mBroadcastWakeLock.acquire();
5838                    Message msg = mHandler.obtainMessage(MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK,
5839                            new KeyEvent(event));
5840                    msg.setAsynchronous(true);
5841                    msg.sendToTarget();
5842                }
5843                break;
5844            }
5845
5846            case KeyEvent.KEYCODE_CALL: {
5847                if (down) {
5848                    TelecomManager telecomManager = getTelecommService();
5849                    if (telecomManager != null) {
5850                        if (telecomManager.isRinging()) {
5851                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5852                                  + " CALL key-down while ringing: Answer the call!");
5853                            telecomManager.acceptRingingCall();
5854
5855                            // And *don't* pass this key thru to the current activity
5856                            // (which is presumably the InCallScreen.)
5857                            result &= ~ACTION_PASS_TO_USER;
5858                        }
5859                    }
5860                }
5861                break;
5862            }
5863            case KeyEvent.KEYCODE_VOICE_ASSIST: {
5864                // Only do this if we would otherwise not pass it to the user. In that case,
5865                // interceptKeyBeforeDispatching would apply a similar but different policy in
5866                // order to invoke voice assist actions. Note that we need to make a copy of the
5867                // key event here because the original key event will be recycled when we return.
5868                if ((result & ACTION_PASS_TO_USER) == 0 && !down) {
5869                    mBroadcastWakeLock.acquire();
5870                    Message msg = mHandler.obtainMessage(MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK,
5871                            keyguardActive ? 1 : 0, 0);
5872                    msg.setAsynchronous(true);
5873                    msg.sendToTarget();
5874                }
5875                break;
5876            }
5877            case KeyEvent.KEYCODE_WINDOW: {
5878                if (mShortPressWindowBehavior == SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE) {
5879                    if (mTvPictureInPictureVisible) {
5880                        // Consumes the key only if picture-in-picture is visible
5881                        // to show picture-in-picture control menu.
5882                        // This gives a chance to the foreground activity
5883                        // to customize PIP key behavior.
5884                        if (!down) {
5885                            showTvPictureInPictureMenu(event);
5886                        }
5887                        result &= ~ACTION_PASS_TO_USER;
5888                    }
5889                }
5890                break;
5891            }
5892        }
5893
5894        if (useHapticFeedback) {
5895            performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
5896        }
5897
5898        if (isWakeKey) {
5899            wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5900        }
5901
5902        return result;
5903    }
5904
5905    /**
5906     * Handle statusbar expansion events.
5907     * @param event
5908     */
5909    private void interceptSystemNavigationKey(KeyEvent event) {
5910        if (event.getAction() == KeyEvent.ACTION_UP && areSystemNavigationKeysEnabled()) {
5911            IStatusBarService sbar = getStatusBarService();
5912            if (sbar != null) {
5913                try {
5914                    sbar.handleSystemNavigationKey(event.getKeyCode());
5915                } catch (RemoteException e1) {
5916                    // oops, no statusbar. Ignore event.
5917                }
5918            }
5919        }
5920    }
5921
5922    /**
5923     * Returns true if the key can have global actions attached to it.
5924     * We reserve all power management keys for the system since they require
5925     * very careful handling.
5926     */
5927    private static boolean isValidGlobalKey(int keyCode) {
5928        switch (keyCode) {
5929            case KeyEvent.KEYCODE_POWER:
5930            case KeyEvent.KEYCODE_WAKEUP:
5931            case KeyEvent.KEYCODE_SLEEP:
5932                return false;
5933            default:
5934                return true;
5935        }
5936    }
5937
5938    /**
5939     * When the screen is off we ignore some keys that might otherwise typically
5940     * be considered wake keys.  We filter them out here.
5941     *
5942     * {@link KeyEvent#KEYCODE_POWER} is notably absent from this list because it
5943     * is always considered a wake key.
5944     */
5945    private boolean isWakeKeyWhenScreenOff(int keyCode) {
5946        switch (keyCode) {
5947            // ignore volume keys unless docked
5948            case KeyEvent.KEYCODE_VOLUME_UP:
5949            case KeyEvent.KEYCODE_VOLUME_DOWN:
5950            case KeyEvent.KEYCODE_VOLUME_MUTE:
5951                return mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;
5952
5953            // ignore media and camera keys
5954            case KeyEvent.KEYCODE_MUTE:
5955            case KeyEvent.KEYCODE_HEADSETHOOK:
5956            case KeyEvent.KEYCODE_MEDIA_PLAY:
5957            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5958            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5959            case KeyEvent.KEYCODE_MEDIA_STOP:
5960            case KeyEvent.KEYCODE_MEDIA_NEXT:
5961            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5962            case KeyEvent.KEYCODE_MEDIA_REWIND:
5963            case KeyEvent.KEYCODE_MEDIA_RECORD:
5964            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5965            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK:
5966            case KeyEvent.KEYCODE_CAMERA:
5967                return false;
5968        }
5969        return true;
5970    }
5971
5972
5973    /** {@inheritDoc} */
5974    @Override
5975    public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) {
5976        if ((policyFlags & FLAG_WAKE) != 0) {
5977            if (wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotion,
5978                    "android.policy:MOTION")) {
5979                return 0;
5980            }
5981        }
5982
5983        if (shouldDispatchInputWhenNonInteractive(null)) {
5984            return ACTION_PASS_TO_USER;
5985        }
5986
5987        // If we have not passed the action up and we are in theater mode without dreaming,
5988        // there will be no dream to intercept the touch and wake into ambient.  The device should
5989        // wake up in this case.
5990        if (isTheaterModeEnabled() && (policyFlags & FLAG_WAKE) != 0) {
5991            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotionWhenNotDreaming,
5992                    "android.policy:MOTION");
5993        }
5994
5995        return 0;
5996    }
5997
5998    private boolean shouldDispatchInputWhenNonInteractive(KeyEvent event) {
5999        final boolean displayOff = (mDisplay == null || mDisplay.getState() == Display.STATE_OFF);
6000
6001        if (displayOff && !mHasFeatureWatch) {
6002            return false;
6003        }
6004
6005        // Send events to keyguard while the screen is on and it's showing.
6006        if (isKeyguardShowingAndNotOccluded() && !displayOff) {
6007            return true;
6008        }
6009
6010        // Watches handle BACK specially
6011        if (mHasFeatureWatch
6012                && event != null
6013                && (event.getKeyCode() == KeyEvent.KEYCODE_BACK
6014                        || event.getKeyCode() == KeyEvent.KEYCODE_STEM_PRIMARY)) {
6015            return false;
6016        }
6017
6018        // Send events to a dozing dream even if the screen is off since the dream
6019        // is in control of the state of the screen.
6020        IDreamManager dreamManager = getDreamManager();
6021
6022        try {
6023            if (dreamManager != null && dreamManager.isDreaming()) {
6024                return true;
6025            }
6026        } catch (RemoteException e) {
6027            Slog.e(TAG, "RemoteException when checking if dreaming", e);
6028        }
6029
6030        // Otherwise, consume events since the user can't see what is being
6031        // interacted with.
6032        return false;
6033    }
6034
6035    private void dispatchDirectAudioEvent(KeyEvent event) {
6036        if (event.getAction() != KeyEvent.ACTION_DOWN) {
6037            return;
6038        }
6039        int keyCode = event.getKeyCode();
6040        int flags = AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_PLAY_SOUND
6041                | AudioManager.FLAG_FROM_KEY;
6042        String pkgName = mContext.getOpPackageName();
6043        switch (keyCode) {
6044            case KeyEvent.KEYCODE_VOLUME_UP:
6045                try {
6046                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_RAISE,
6047                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6048                } catch (RemoteException e) {
6049                    Log.e(TAG, "Error dispatching volume up in dispatchTvAudioEvent.", e);
6050                }
6051                break;
6052            case KeyEvent.KEYCODE_VOLUME_DOWN:
6053                try {
6054                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_LOWER,
6055                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6056                } catch (RemoteException e) {
6057                    Log.e(TAG, "Error dispatching volume down in dispatchTvAudioEvent.", e);
6058                }
6059                break;
6060            case KeyEvent.KEYCODE_VOLUME_MUTE:
6061                try {
6062                    if (event.getRepeatCount() == 0) {
6063                        getAudioService().adjustSuggestedStreamVolume(
6064                                AudioManager.ADJUST_TOGGLE_MUTE,
6065                                AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6066                    }
6067                } catch (RemoteException e) {
6068                    Log.e(TAG, "Error dispatching mute in dispatchTvAudioEvent.", e);
6069                }
6070                break;
6071        }
6072    }
6073
6074    void dispatchMediaKeyWithWakeLock(KeyEvent event) {
6075        if (DEBUG_INPUT) {
6076            Slog.d(TAG, "dispatchMediaKeyWithWakeLock: " + event);
6077        }
6078
6079        if (mHavePendingMediaKeyRepeatWithWakeLock) {
6080            if (DEBUG_INPUT) {
6081                Slog.d(TAG, "dispatchMediaKeyWithWakeLock: canceled repeat");
6082            }
6083
6084            mHandler.removeMessages(MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK);
6085            mHavePendingMediaKeyRepeatWithWakeLock = false;
6086            mBroadcastWakeLock.release(); // pending repeat was holding onto the wake lock
6087        }
6088
6089        dispatchMediaKeyWithWakeLockToAudioService(event);
6090
6091        if (event.getAction() == KeyEvent.ACTION_DOWN
6092                && event.getRepeatCount() == 0) {
6093            mHavePendingMediaKeyRepeatWithWakeLock = true;
6094
6095            Message msg = mHandler.obtainMessage(
6096                    MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK, event);
6097            msg.setAsynchronous(true);
6098            mHandler.sendMessageDelayed(msg, ViewConfiguration.getKeyRepeatTimeout());
6099        } else {
6100            mBroadcastWakeLock.release();
6101        }
6102    }
6103
6104    void dispatchMediaKeyRepeatWithWakeLock(KeyEvent event) {
6105        mHavePendingMediaKeyRepeatWithWakeLock = false;
6106
6107        KeyEvent repeatEvent = KeyEvent.changeTimeRepeat(event,
6108                SystemClock.uptimeMillis(), 1, event.getFlags() | KeyEvent.FLAG_LONG_PRESS);
6109        if (DEBUG_INPUT) {
6110            Slog.d(TAG, "dispatchMediaKeyRepeatWithWakeLock: " + repeatEvent);
6111        }
6112
6113        dispatchMediaKeyWithWakeLockToAudioService(repeatEvent);
6114        mBroadcastWakeLock.release();
6115    }
6116
6117    void dispatchMediaKeyWithWakeLockToAudioService(KeyEvent event) {
6118        if (ActivityManagerNative.isSystemReady()) {
6119            MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(event, true);
6120        }
6121    }
6122
6123    void launchVoiceAssistWithWakeLock(boolean keyguardActive) {
6124        IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
6125                ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
6126        if (dic != null) {
6127            try {
6128                dic.exitIdle("voice-search");
6129            } catch (RemoteException e) {
6130            }
6131        }
6132        Intent voiceIntent =
6133            new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
6134        voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, keyguardActive);
6135        startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
6136        mBroadcastWakeLock.release();
6137    }
6138
6139    BroadcastReceiver mDockReceiver = new BroadcastReceiver() {
6140        @Override
6141        public void onReceive(Context context, Intent intent) {
6142            if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
6143                mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
6144                        Intent.EXTRA_DOCK_STATE_UNDOCKED);
6145            } else {
6146                try {
6147                    IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
6148                            ServiceManager.getService(Context.UI_MODE_SERVICE));
6149                    mUiMode = uiModeService.getCurrentModeType();
6150                } catch (RemoteException e) {
6151                }
6152            }
6153            updateRotation(true);
6154            synchronized (mLock) {
6155                updateOrientationListenerLp();
6156            }
6157        }
6158    };
6159
6160    BroadcastReceiver mDreamReceiver = new BroadcastReceiver() {
6161        @Override
6162        public void onReceive(Context context, Intent intent) {
6163            if (Intent.ACTION_DREAMING_STARTED.equals(intent.getAction())) {
6164                if (mKeyguardDelegate != null) {
6165                    mKeyguardDelegate.onDreamingStarted();
6166                }
6167            } else if (Intent.ACTION_DREAMING_STOPPED.equals(intent.getAction())) {
6168                if (mKeyguardDelegate != null) {
6169                    mKeyguardDelegate.onDreamingStopped();
6170                }
6171            }
6172        }
6173    };
6174
6175    BroadcastReceiver mMultiuserReceiver = new BroadcastReceiver() {
6176        @Override
6177        public void onReceive(Context context, Intent intent) {
6178            if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) {
6179                // tickle the settings observer: this first ensures that we're
6180                // observing the relevant settings for the newly-active user,
6181                // and then updates our own bookkeeping based on the now-
6182                // current user.
6183                mSettingsObserver.onChange(false);
6184
6185                // force a re-application of focused window sysui visibility.
6186                // the window may never have been shown for this user
6187                // e.g. the keyguard when going through the new-user setup flow
6188                synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6189                    mLastSystemUiFlags = 0;
6190                    updateSystemUiVisibilityLw();
6191                }
6192            }
6193        }
6194    };
6195
6196    private final Runnable mHiddenNavPanic = new Runnable() {
6197        @Override
6198        public void run() {
6199            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6200                if (!isUserSetupComplete()) {
6201                    // Swipe-up for navigation bar is disabled during setup
6202                    return;
6203                }
6204                mPendingPanicGestureUptime = SystemClock.uptimeMillis();
6205                if (!isNavBarEmpty(mLastSystemUiFlags)) {
6206                    mNavigationBarController.showTransient();
6207                }
6208            }
6209        }
6210    };
6211
6212    private void requestTransientBars(WindowState swipeTarget) {
6213        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6214            if (!isUserSetupComplete()) {
6215                // Swipe-up for navigation bar is disabled during setup
6216                return;
6217            }
6218            boolean sb = mStatusBarController.checkShowTransientBarLw();
6219            boolean nb = mNavigationBarController.checkShowTransientBarLw()
6220                    && !isNavBarEmpty(mLastSystemUiFlags);
6221            if (sb || nb) {
6222                // Don't show status bar when swiping on already visible navigation bar
6223                if (!nb && swipeTarget == mNavigationBar) {
6224                    if (DEBUG) Slog.d(TAG, "Not showing transient bar, wrong swipe target");
6225                    return;
6226                }
6227                if (sb) mStatusBarController.showTransient();
6228                if (nb) mNavigationBarController.showTransient();
6229                mImmersiveModeConfirmation.confirmCurrentPrompt();
6230                updateSystemUiVisibilityLw();
6231            }
6232        }
6233    }
6234
6235    // Called on the PowerManager's Notifier thread.
6236    @Override
6237    public void startedGoingToSleep(int why) {
6238        if (DEBUG_WAKEUP) Slog.i(TAG, "Started going to sleep... (why=" + why + ")");
6239        mCameraGestureTriggeredDuringGoingToSleep = false;
6240        mGoingToSleep = true;
6241        if (mKeyguardDelegate != null) {
6242            mKeyguardDelegate.onStartedGoingToSleep(why);
6243        }
6244    }
6245
6246    // Called on the PowerManager's Notifier thread.
6247    @Override
6248    public void finishedGoingToSleep(int why) {
6249        EventLog.writeEvent(70000, 0);
6250        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished going to sleep... (why=" + why + ")");
6251        MetricsLogger.histogram(mContext, "screen_timeout", mLockScreenTimeout / 1000);
6252
6253        mGoingToSleep = false;
6254
6255        // We must get this work done here because the power manager will drop
6256        // the wake lock and let the system suspend once this function returns.
6257        synchronized (mLock) {
6258            mAwake = false;
6259            updateWakeGestureListenerLp();
6260            updateOrientationListenerLp();
6261            updateLockScreenTimeout();
6262        }
6263        if (mKeyguardDelegate != null) {
6264            mKeyguardDelegate.onFinishedGoingToSleep(why,
6265                    mCameraGestureTriggeredDuringGoingToSleep);
6266        }
6267        mCameraGestureTriggeredDuringGoingToSleep = false;
6268    }
6269
6270    // Called on the PowerManager's Notifier thread.
6271    @Override
6272    public void startedWakingUp() {
6273        EventLog.writeEvent(70000, 1);
6274        if (DEBUG_WAKEUP) Slog.i(TAG, "Started waking up...");
6275
6276        // Since goToSleep performs these functions synchronously, we must
6277        // do the same here.  We cannot post this work to a handler because
6278        // that might cause it to become reordered with respect to what
6279        // may happen in a future call to goToSleep.
6280        synchronized (mLock) {
6281            mAwake = true;
6282
6283            updateWakeGestureListenerLp();
6284            updateOrientationListenerLp();
6285            updateLockScreenTimeout();
6286        }
6287
6288        if (mKeyguardDelegate != null) {
6289            mKeyguardDelegate.onStartedWakingUp();
6290        }
6291    }
6292
6293    // Called on the PowerManager's Notifier thread.
6294    @Override
6295    public void finishedWakingUp() {
6296        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished waking up...");
6297    }
6298
6299    private void wakeUpFromPowerKey(long eventTime) {
6300        wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey, "android.policy:POWER");
6301    }
6302
6303    private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode, String reason) {
6304        final boolean theaterModeEnabled = isTheaterModeEnabled();
6305        if (!wakeInTheaterMode && theaterModeEnabled) {
6306            return false;
6307        }
6308
6309        if (theaterModeEnabled) {
6310            Settings.Global.putInt(mContext.getContentResolver(),
6311                    Settings.Global.THEATER_MODE_ON, 0);
6312        }
6313
6314        mPowerManager.wakeUp(wakeTime, reason);
6315        return true;
6316    }
6317
6318    private void finishKeyguardDrawn() {
6319        synchronized (mLock) {
6320            if (!mScreenOnEarly || mKeyguardDrawComplete) {
6321                return; // We are not awake yet or we have already informed of this event.
6322            }
6323
6324            mKeyguardDrawComplete = true;
6325            if (mKeyguardDelegate != null) {
6326                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
6327            }
6328            mWindowManagerDrawComplete = false;
6329        }
6330
6331        // ... eventually calls finishWindowsDrawn which will finalize our screen turn on
6332        // as well as enabling the orientation change logic/sensor.
6333        mWindowManagerInternal.waitForAllWindowsDrawn(mWindowManagerDrawCallback,
6334                WAITING_FOR_DRAWN_TIMEOUT);
6335    }
6336
6337    // Called on the DisplayManager's DisplayPowerController thread.
6338    @Override
6339    public void screenTurnedOff() {
6340        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turned off...");
6341
6342        updateScreenOffSleepToken(true);
6343        synchronized (mLock) {
6344            mScreenOnEarly = false;
6345            mScreenOnFully = false;
6346            mKeyguardDrawComplete = false;
6347            mWindowManagerDrawComplete = false;
6348            mScreenOnListener = null;
6349            updateOrientationListenerLp();
6350
6351            if (mKeyguardDelegate != null) {
6352                mKeyguardDelegate.onScreenTurnedOff();
6353            }
6354        }
6355    }
6356
6357    // Called on the DisplayManager's DisplayPowerController thread.
6358    @Override
6359    public void screenTurningOn(final ScreenOnListener screenOnListener) {
6360        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turning on...");
6361
6362        updateScreenOffSleepToken(false);
6363        synchronized (mLock) {
6364            mScreenOnEarly = true;
6365            mScreenOnFully = false;
6366            mKeyguardDrawComplete = false;
6367            mWindowManagerDrawComplete = false;
6368            mScreenOnListener = screenOnListener;
6369
6370            if (mKeyguardDelegate != null) {
6371                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
6372                mHandler.sendEmptyMessageDelayed(MSG_KEYGUARD_DRAWN_TIMEOUT, 1000);
6373                mKeyguardDelegate.onScreenTurningOn(mKeyguardDrawnCallback);
6374            } else {
6375                if (DEBUG_WAKEUP) Slog.d(TAG,
6376                        "null mKeyguardDelegate: setting mKeyguardDrawComplete.");
6377                finishKeyguardDrawn();
6378            }
6379        }
6380    }
6381
6382    // Called on the DisplayManager's DisplayPowerController thread.
6383    @Override
6384    public void screenTurnedOn() {
6385        synchronized (mLock) {
6386            if (mKeyguardDelegate != null) {
6387                mKeyguardDelegate.onScreenTurnedOn();
6388            }
6389        }
6390    }
6391
6392    private void finishWindowsDrawn() {
6393        synchronized (mLock) {
6394            if (!mScreenOnEarly || mWindowManagerDrawComplete) {
6395                return; // Screen is not turned on or we did already handle this case earlier.
6396            }
6397
6398            mWindowManagerDrawComplete = true;
6399        }
6400
6401        finishScreenTurningOn();
6402    }
6403
6404    private void finishScreenTurningOn() {
6405        synchronized (mLock) {
6406            // We have just finished drawing screen content. Since the orientation listener
6407            // gets only installed when all windows are drawn, we try to install it again.
6408            updateOrientationListenerLp();
6409        }
6410        final ScreenOnListener listener;
6411        final boolean enableScreen;
6412        synchronized (mLock) {
6413            if (DEBUG_WAKEUP) Slog.d(TAG,
6414                    "finishScreenTurningOn: mAwake=" + mAwake
6415                            + ", mScreenOnEarly=" + mScreenOnEarly
6416                            + ", mScreenOnFully=" + mScreenOnFully
6417                            + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
6418                            + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
6419
6420            if (mScreenOnFully || !mScreenOnEarly || !mWindowManagerDrawComplete
6421                    || (mAwake && !mKeyguardDrawComplete)) {
6422                return; // spurious or not ready yet
6423            }
6424
6425            if (DEBUG_WAKEUP) Slog.i(TAG, "Finished screen turning on...");
6426            listener = mScreenOnListener;
6427            mScreenOnListener = null;
6428            mScreenOnFully = true;
6429
6430            // Remember the first time we draw the keyguard so we know when we're done with
6431            // the main part of booting and can enable the screen and hide boot messages.
6432            if (!mKeyguardDrawnOnce && mAwake) {
6433                mKeyguardDrawnOnce = true;
6434                enableScreen = true;
6435                if (mBootMessageNeedsHiding) {
6436                    mBootMessageNeedsHiding = false;
6437                    hideBootMessages();
6438                }
6439            } else {
6440                enableScreen = false;
6441            }
6442        }
6443
6444        if (listener != null) {
6445            listener.onScreenOn();
6446        }
6447
6448        if (enableScreen) {
6449            try {
6450                mWindowManager.enableScreenIfNeeded();
6451            } catch (RemoteException unhandled) {
6452            }
6453        }
6454    }
6455
6456    private void handleHideBootMessage() {
6457        synchronized (mLock) {
6458            if (!mKeyguardDrawnOnce) {
6459                mBootMessageNeedsHiding = true;
6460                return; // keyguard hasn't drawn the first time yet, not done booting
6461            }
6462        }
6463
6464        if (mBootMsgDialog != null) {
6465            if (DEBUG_WAKEUP) Slog.d(TAG, "handleHideBootMessage: dismissing");
6466            mBootMsgDialog.dismiss();
6467            mBootMsgDialog = null;
6468        }
6469    }
6470
6471    @Override
6472    public boolean isScreenOn() {
6473        return mScreenOnFully;
6474    }
6475
6476    /** {@inheritDoc} */
6477    @Override
6478    public void enableKeyguard(boolean enabled) {
6479        if (mKeyguardDelegate != null) {
6480            mKeyguardDelegate.setKeyguardEnabled(enabled);
6481        }
6482    }
6483
6484    /** {@inheritDoc} */
6485    @Override
6486    public void exitKeyguardSecurely(OnKeyguardExitResult callback) {
6487        if (mKeyguardDelegate != null) {
6488            mKeyguardDelegate.verifyUnlock(callback);
6489        }
6490    }
6491
6492    private boolean isKeyguardShowingAndNotOccluded() {
6493        if (mKeyguardDelegate == null) return false;
6494        return mKeyguardDelegate.isShowing() && !mKeyguardOccluded;
6495    }
6496
6497    /** {@inheritDoc} */
6498    @Override
6499    public boolean isKeyguardLocked() {
6500        return keyguardOn();
6501    }
6502
6503    /** {@inheritDoc} */
6504    @Override
6505    public boolean isKeyguardSecure(int userId) {
6506        if (mKeyguardDelegate == null) return false;
6507        return mKeyguardDelegate.isSecure(userId);
6508    }
6509
6510    /** {@inheritDoc} */
6511    @Override
6512    public boolean isKeyguardShowingOrOccluded() {
6513        return mKeyguardDelegate == null ? false : mKeyguardDelegate.isShowing();
6514    }
6515
6516    /** {@inheritDoc} */
6517    @Override
6518    public boolean inKeyguardRestrictedKeyInputMode() {
6519        if (mKeyguardDelegate == null) return false;
6520        return mKeyguardDelegate.isInputRestricted();
6521    }
6522
6523    @Override
6524    public void dismissKeyguardLw() {
6525        if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
6526            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.dismissKeyguardLw");
6527            mHandler.post(new Runnable() {
6528                @Override
6529                public void run() {
6530                    // ask the keyguard to prompt the user to authenticate if necessary
6531                    mKeyguardDelegate.dismiss(false /* allowWhileOccluded */);
6532                }
6533            });
6534        }
6535    }
6536
6537    @Override
6538    public void notifyActivityDrawnForKeyguardLw() {
6539        if (mKeyguardDelegate != null) {
6540            mHandler.post(new Runnable() {
6541                @Override
6542                public void run() {
6543                    mKeyguardDelegate.onActivityDrawn();
6544                }
6545            });
6546        }
6547    }
6548
6549    @Override
6550    public boolean isKeyguardDrawnLw() {
6551        synchronized (mLock) {
6552            return mKeyguardDrawnOnce;
6553        }
6554    }
6555
6556    @Override
6557    public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
6558        if (mKeyguardDelegate != null) {
6559            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.startKeyguardExitAnimation");
6560            mKeyguardDelegate.startKeyguardExitAnimation(startTime, fadeoutDuration);
6561        }
6562    }
6563
6564    @Override
6565    public void getStableInsetsLw(int displayRotation, int displayWidth, int displayHeight,
6566            Rect outInsets) {
6567        outInsets.setEmpty();
6568
6569        // Navigation bar and status bar.
6570        getNonDecorInsetsLw(displayRotation, displayWidth, displayHeight, outInsets);
6571        if (mStatusBar != null) {
6572            outInsets.top = mStatusBarHeight;
6573        }
6574    }
6575
6576    @Override
6577    public void getNonDecorInsetsLw(int displayRotation, int displayWidth, int displayHeight,
6578            Rect outInsets) {
6579        outInsets.setEmpty();
6580
6581        // Only navigation bar
6582        if (mNavigationBar != null) {
6583            int position = navigationBarPosition(displayWidth, displayHeight, displayRotation);
6584            if (position == NAV_BAR_BOTTOM) {
6585                outInsets.bottom = getNavigationBarHeight(displayRotation, mUiMode);
6586            } else if (position == NAV_BAR_RIGHT) {
6587                outInsets.right = getNavigationBarWidth(displayRotation, mUiMode);
6588            } else if (position == NAV_BAR_LEFT) {
6589                outInsets.left = getNavigationBarWidth(displayRotation, mUiMode);
6590            }
6591        }
6592    }
6593
6594    @Override
6595    public boolean isNavBarForcedShownLw(WindowState windowState) {
6596        return mForceShowSystemBars;
6597    }
6598
6599    @Override
6600    public boolean isDockSideAllowed(int dockSide) {
6601
6602        // We do not allow all dock sides at which the navigation bar touches the docked stack.
6603        if (!mNavigationBarCanMove) {
6604            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT || dockSide == DOCKED_RIGHT;
6605        } else {
6606            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT;
6607        }
6608    }
6609
6610    void sendCloseSystemWindows() {
6611        PhoneWindow.sendCloseSystemWindows(mContext, null);
6612    }
6613
6614    void sendCloseSystemWindows(String reason) {
6615        PhoneWindow.sendCloseSystemWindows(mContext, reason);
6616    }
6617
6618    @Override
6619    public int rotationForOrientationLw(int orientation, int lastRotation) {
6620        if (false) {
6621            Slog.v(TAG, "rotationForOrientationLw(orient="
6622                        + orientation + ", last=" + lastRotation
6623                        + "); user=" + mUserRotation + " "
6624                        + ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED)
6625                            ? "USER_ROTATION_LOCKED" : "")
6626                        );
6627        }
6628
6629        if (mForceDefaultOrientation) {
6630            return Surface.ROTATION_0;
6631        }
6632
6633        synchronized (mLock) {
6634            int sensorRotation = mOrientationListener.getProposedRotation(); // may be -1
6635            if (sensorRotation < 0) {
6636                sensorRotation = lastRotation;
6637            }
6638
6639            final int preferredRotation;
6640            if (mLidState == LID_OPEN && mLidOpenRotation >= 0) {
6641                // Ignore sensor when lid switch is open and rotation is forced.
6642                preferredRotation = mLidOpenRotation;
6643            } else if (mDockMode == Intent.EXTRA_DOCK_STATE_CAR
6644                    && (mCarDockEnablesAccelerometer || mCarDockRotation >= 0)) {
6645                // Ignore sensor when in car dock unless explicitly enabled.
6646                // This case can override the behavior of NOSENSOR, and can also
6647                // enable 180 degree rotation while docked.
6648                preferredRotation = mCarDockEnablesAccelerometer
6649                        ? sensorRotation : mCarDockRotation;
6650            } else if ((mDockMode == Intent.EXTRA_DOCK_STATE_DESK
6651                    || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
6652                    || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK)
6653                    && (mDeskDockEnablesAccelerometer || mDeskDockRotation >= 0)) {
6654                // Ignore sensor when in desk dock unless explicitly enabled.
6655                // This case can override the behavior of NOSENSOR, and can also
6656                // enable 180 degree rotation while docked.
6657                preferredRotation = mDeskDockEnablesAccelerometer
6658                        ? sensorRotation : mDeskDockRotation;
6659            } else if (mHdmiPlugged && mDemoHdmiRotationLock) {
6660                // Ignore sensor when plugged into HDMI when demo HDMI rotation lock enabled.
6661                // Note that the dock orientation overrides the HDMI orientation.
6662                preferredRotation = mDemoHdmiRotation;
6663            } else if (mHdmiPlugged && mDockMode == Intent.EXTRA_DOCK_STATE_UNDOCKED
6664                    && mUndockedHdmiRotation >= 0) {
6665                // Ignore sensor when plugged into HDMI and an undocked orientation has
6666                // been specified in the configuration (only for legacy devices without
6667                // full multi-display support).
6668                // Note that the dock orientation overrides the HDMI orientation.
6669                preferredRotation = mUndockedHdmiRotation;
6670            } else if (mDemoRotationLock) {
6671                // Ignore sensor when demo rotation lock is enabled.
6672                // Note that the dock orientation and HDMI rotation lock override this.
6673                preferredRotation = mDemoRotation;
6674            } else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {
6675                // Application just wants to remain locked in the last rotation.
6676                preferredRotation = lastRotation;
6677            } else if (!mSupportAutoRotation) {
6678                // If we don't support auto-rotation then bail out here and ignore
6679                // the sensor and any rotation lock settings.
6680                preferredRotation = -1;
6681            } else if ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE
6682                            && (orientation == ActivityInfo.SCREEN_ORIENTATION_USER
6683                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
6684                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
6685                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT
6686                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER))
6687                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
6688                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
6689                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE
6690                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) {
6691                // Otherwise, use sensor only if requested by the application or enabled
6692                // by default for USER or UNSPECIFIED modes.  Does not apply to NOSENSOR.
6693                if (mAllowAllRotations < 0) {
6694                    // Can't read this during init() because the context doesn't
6695                    // have display metrics at that time so we cannot determine
6696                    // tablet vs. phone then.
6697                    mAllowAllRotations = mContext.getResources().getBoolean(
6698                            com.android.internal.R.bool.config_allowAllRotations) ? 1 : 0;
6699                }
6700                if (sensorRotation != Surface.ROTATION_180
6701                        || mAllowAllRotations == 1
6702                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
6703                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER) {
6704                    preferredRotation = sensorRotation;
6705                } else {
6706                    preferredRotation = lastRotation;
6707                }
6708            } else if (mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED
6709                    && orientation != ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
6710                // Apply rotation lock.  Does not apply to NOSENSOR.
6711                // The idea is that the user rotation expresses a weak preference for the direction
6712                // of gravity and as NOSENSOR is never affected by gravity, then neither should
6713                // NOSENSOR be affected by rotation lock (although it will be affected by docks).
6714                preferredRotation = mUserRotation;
6715            } else {
6716                // No overriding preference.
6717                // We will do exactly what the application asked us to do.
6718                preferredRotation = -1;
6719            }
6720
6721            switch (orientation) {
6722                case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6723                    // Return portrait unless overridden.
6724                    if (isAnyPortrait(preferredRotation)) {
6725                        return preferredRotation;
6726                    }
6727                    return mPortraitRotation;
6728
6729                case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6730                    // Return landscape unless overridden.
6731                    if (isLandscapeOrSeascape(preferredRotation)) {
6732                        return preferredRotation;
6733                    }
6734                    return mLandscapeRotation;
6735
6736                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6737                    // Return reverse portrait unless overridden.
6738                    if (isAnyPortrait(preferredRotation)) {
6739                        return preferredRotation;
6740                    }
6741                    return mUpsideDownRotation;
6742
6743                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6744                    // Return seascape unless overridden.
6745                    if (isLandscapeOrSeascape(preferredRotation)) {
6746                        return preferredRotation;
6747                    }
6748                    return mSeascapeRotation;
6749
6750                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6751                case ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE:
6752                    // Return either landscape rotation.
6753                    if (isLandscapeOrSeascape(preferredRotation)) {
6754                        return preferredRotation;
6755                    }
6756                    if (isLandscapeOrSeascape(lastRotation)) {
6757                        return lastRotation;
6758                    }
6759                    return mLandscapeRotation;
6760
6761                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6762                case ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT:
6763                    // Return either portrait rotation.
6764                    if (isAnyPortrait(preferredRotation)) {
6765                        return preferredRotation;
6766                    }
6767                    if (isAnyPortrait(lastRotation)) {
6768                        return lastRotation;
6769                    }
6770                    return mPortraitRotation;
6771
6772                default:
6773                    // For USER, UNSPECIFIED, NOSENSOR, SENSOR and FULL_SENSOR,
6774                    // just return the preferred orientation we already calculated.
6775                    if (preferredRotation >= 0) {
6776                        return preferredRotation;
6777                    }
6778                    return Surface.ROTATION_0;
6779            }
6780        }
6781    }
6782
6783    @Override
6784    public boolean rotationHasCompatibleMetricsLw(int orientation, int rotation) {
6785        switch (orientation) {
6786            case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6787            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6788            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6789                return isAnyPortrait(rotation);
6790
6791            case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6792            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6793            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6794                return isLandscapeOrSeascape(rotation);
6795
6796            default:
6797                return true;
6798        }
6799    }
6800
6801    @Override
6802    public void setRotationLw(int rotation) {
6803        mOrientationListener.setCurrentRotation(rotation);
6804    }
6805
6806    private boolean isLandscapeOrSeascape(int rotation) {
6807        return rotation == mLandscapeRotation || rotation == mSeascapeRotation;
6808    }
6809
6810    private boolean isAnyPortrait(int rotation) {
6811        return rotation == mPortraitRotation || rotation == mUpsideDownRotation;
6812    }
6813
6814    @Override
6815    public int getUserRotationMode() {
6816        return Settings.System.getIntForUser(mContext.getContentResolver(),
6817                Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
6818                        WindowManagerPolicy.USER_ROTATION_FREE :
6819                                WindowManagerPolicy.USER_ROTATION_LOCKED;
6820    }
6821
6822    // User rotation: to be used when all else fails in assigning an orientation to the device
6823    @Override
6824    public void setUserRotationMode(int mode, int rot) {
6825        ContentResolver res = mContext.getContentResolver();
6826
6827        // mUserRotationMode and mUserRotation will be assigned by the content observer
6828        if (mode == WindowManagerPolicy.USER_ROTATION_LOCKED) {
6829            Settings.System.putIntForUser(res,
6830                    Settings.System.USER_ROTATION,
6831                    rot,
6832                    UserHandle.USER_CURRENT);
6833            Settings.System.putIntForUser(res,
6834                    Settings.System.ACCELEROMETER_ROTATION,
6835                    0,
6836                    UserHandle.USER_CURRENT);
6837        } else {
6838            Settings.System.putIntForUser(res,
6839                    Settings.System.ACCELEROMETER_ROTATION,
6840                    1,
6841                    UserHandle.USER_CURRENT);
6842        }
6843    }
6844
6845    @Override
6846    public void setSafeMode(boolean safeMode) {
6847        mSafeMode = safeMode;
6848        performHapticFeedbackLw(null, safeMode
6849                ? HapticFeedbackConstants.SAFE_MODE_ENABLED
6850                : HapticFeedbackConstants.SAFE_MODE_DISABLED, true);
6851    }
6852
6853    static long[] getLongIntArray(Resources r, int resid) {
6854        int[] ar = r.getIntArray(resid);
6855        if (ar == null) {
6856            return null;
6857        }
6858        long[] out = new long[ar.length];
6859        for (int i=0; i<ar.length; i++) {
6860            out[i] = ar[i];
6861        }
6862        return out;
6863    }
6864
6865    /** {@inheritDoc} */
6866    @Override
6867    public void systemReady() {
6868        mKeyguardDelegate = new KeyguardServiceDelegate(mContext);
6869        mKeyguardDelegate.onSystemReady();
6870
6871        readCameraLensCoverState();
6872        updateUiMode();
6873        boolean bindKeyguardNow;
6874        synchronized (mLock) {
6875            updateOrientationListenerLp();
6876            mSystemReady = true;
6877            mHandler.post(new Runnable() {
6878                @Override
6879                public void run() {
6880                    updateSettings();
6881                }
6882            });
6883
6884            bindKeyguardNow = mDeferBindKeyguard;
6885            if (bindKeyguardNow) {
6886                // systemBooted ran but wasn't able to bind to the Keyguard, we'll do it now.
6887                mDeferBindKeyguard = false;
6888            }
6889        }
6890
6891        if (bindKeyguardNow) {
6892            mKeyguardDelegate.bindService(mContext);
6893            mKeyguardDelegate.onBootCompleted();
6894        }
6895        mSystemGestures.systemReady();
6896        mImmersiveModeConfirmation.systemReady();
6897    }
6898
6899    /** {@inheritDoc} */
6900    @Override
6901    public void systemBooted() {
6902        boolean bindKeyguardNow = false;
6903        synchronized (mLock) {
6904            // Time to bind Keyguard; take care to only bind it once, either here if ready or
6905            // in systemReady if not.
6906            if (mKeyguardDelegate != null) {
6907                bindKeyguardNow = true;
6908            } else {
6909                // Because mKeyguardDelegate is null, we know that the synchronized block in
6910                // systemReady didn't run yet and setting this will actually have an effect.
6911                mDeferBindKeyguard = true;
6912            }
6913        }
6914        if (bindKeyguardNow) {
6915            mKeyguardDelegate.bindService(mContext);
6916            mKeyguardDelegate.onBootCompleted();
6917        }
6918        synchronized (mLock) {
6919            mSystemBooted = true;
6920        }
6921        startedWakingUp();
6922        screenTurningOn(null);
6923        screenTurnedOn();
6924    }
6925
6926    ProgressDialog mBootMsgDialog = null;
6927
6928    /** {@inheritDoc} */
6929    @Override
6930    public void showBootMessage(final CharSequence msg, final boolean always) {
6931        mHandler.post(new Runnable() {
6932            @Override public void run() {
6933                if (mBootMsgDialog == null) {
6934                    int theme;
6935                    if (mContext.getPackageManager().hasSystemFeature(FEATURE_TELEVISION)) {
6936                        theme = com.android.internal.R.style.Theme_Leanback_Dialog_Alert;
6937                    } else {
6938                        theme = 0;
6939                    }
6940
6941                    mBootMsgDialog = new ProgressDialog(mContext, theme) {
6942                        // This dialog will consume all events coming in to
6943                        // it, to avoid it trying to do things too early in boot.
6944                        @Override public boolean dispatchKeyEvent(KeyEvent event) {
6945                            return true;
6946                        }
6947                        @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
6948                            return true;
6949                        }
6950                        @Override public boolean dispatchTouchEvent(MotionEvent ev) {
6951                            return true;
6952                        }
6953                        @Override public boolean dispatchTrackballEvent(MotionEvent ev) {
6954                            return true;
6955                        }
6956                        @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) {
6957                            return true;
6958                        }
6959                        @Override public boolean dispatchPopulateAccessibilityEvent(
6960                                AccessibilityEvent event) {
6961                            return true;
6962                        }
6963                    };
6964                    if (mContext.getPackageManager().isUpgrade()) {
6965                        mBootMsgDialog.setTitle(R.string.android_upgrading_title);
6966                    } else {
6967                        mBootMsgDialog.setTitle(R.string.android_start_title);
6968                    }
6969                    mBootMsgDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
6970                    mBootMsgDialog.setIndeterminate(true);
6971                    mBootMsgDialog.getWindow().setType(
6972                            WindowManager.LayoutParams.TYPE_BOOT_PROGRESS);
6973                    mBootMsgDialog.getWindow().addFlags(
6974                            WindowManager.LayoutParams.FLAG_DIM_BEHIND
6975                            | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
6976                    mBootMsgDialog.getWindow().setDimAmount(1);
6977                    WindowManager.LayoutParams lp = mBootMsgDialog.getWindow().getAttributes();
6978                    lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
6979                    mBootMsgDialog.getWindow().setAttributes(lp);
6980                    mBootMsgDialog.setCancelable(false);
6981                    mBootMsgDialog.show();
6982                }
6983                mBootMsgDialog.setMessage(msg);
6984            }
6985        });
6986    }
6987
6988    /** {@inheritDoc} */
6989    @Override
6990    public void hideBootMessages() {
6991        mHandler.sendEmptyMessage(MSG_HIDE_BOOT_MESSAGE);
6992    }
6993
6994    /** {@inheritDoc} */
6995    @Override
6996    public void userActivity() {
6997        // ***************************************
6998        // NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
6999        // ***************************************
7000        // THIS IS CALLED FROM DEEP IN THE POWER MANAGER
7001        // WITH ITS LOCKS HELD.
7002        //
7003        // This code must be VERY careful about the locks
7004        // it acquires.
7005        // In fact, the current code acquires way too many,
7006        // and probably has lurking deadlocks.
7007
7008        synchronized (mScreenLockTimeout) {
7009            if (mLockScreenTimerActive) {
7010                // reset the timer
7011                mHandler.removeCallbacks(mScreenLockTimeout);
7012                mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
7013            }
7014        }
7015    }
7016
7017    class ScreenLockTimeout implements Runnable {
7018        Bundle options;
7019
7020        @Override
7021        public void run() {
7022            synchronized (this) {
7023                if (localLOGV) Log.v(TAG, "mScreenLockTimeout activating keyguard");
7024                if (mKeyguardDelegate != null) {
7025                    mKeyguardDelegate.doKeyguardTimeout(options);
7026                }
7027                mLockScreenTimerActive = false;
7028                options = null;
7029            }
7030        }
7031
7032        public void setLockOptions(Bundle options) {
7033            this.options = options;
7034        }
7035    }
7036
7037    ScreenLockTimeout mScreenLockTimeout = new ScreenLockTimeout();
7038
7039    @Override
7040    public void lockNow(Bundle options) {
7041        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);
7042        mHandler.removeCallbacks(mScreenLockTimeout);
7043        if (options != null) {
7044            // In case multiple calls are made to lockNow, we don't wipe out the options
7045            // until the runnable actually executes.
7046            mScreenLockTimeout.setLockOptions(options);
7047        }
7048        mHandler.post(mScreenLockTimeout);
7049    }
7050
7051    private void updateLockScreenTimeout() {
7052        synchronized (mScreenLockTimeout) {
7053            boolean enable = (mAllowLockscreenWhenOn && mAwake &&
7054                    mKeyguardDelegate != null && mKeyguardDelegate.isSecure(mCurrentUserId));
7055            if (mLockScreenTimerActive != enable) {
7056                if (enable) {
7057                    if (localLOGV) Log.v(TAG, "setting lockscreen timer");
7058                    mHandler.removeCallbacks(mScreenLockTimeout); // remove any pending requests
7059                    mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
7060                } else {
7061                    if (localLOGV) Log.v(TAG, "clearing lockscreen timer");
7062                    mHandler.removeCallbacks(mScreenLockTimeout);
7063                }
7064                mLockScreenTimerActive = enable;
7065            }
7066        }
7067    }
7068
7069    private void updateDreamingSleepToken(boolean acquire) {
7070        if (acquire) {
7071            if (mDreamingSleepToken == null) {
7072                mDreamingSleepToken = mActivityManagerInternal.acquireSleepToken("Dream");
7073            }
7074        } else {
7075            if (mDreamingSleepToken != null) {
7076                mDreamingSleepToken.release();
7077                mDreamingSleepToken = null;
7078            }
7079        }
7080    }
7081
7082    private void updateScreenOffSleepToken(boolean acquire) {
7083        if (acquire) {
7084            if (mScreenOffSleepToken == null) {
7085                mScreenOffSleepToken = mActivityManagerInternal.acquireSleepToken("ScreenOff");
7086            }
7087        } else {
7088            if (mScreenOffSleepToken != null) {
7089                mScreenOffSleepToken.release();
7090                mScreenOffSleepToken = null;
7091            }
7092        }
7093    }
7094
7095    /** {@inheritDoc} */
7096    @Override
7097    public void enableScreenAfterBoot() {
7098        readLidState();
7099        applyLidSwitchState();
7100        updateRotation(true);
7101    }
7102
7103    private void applyLidSwitchState() {
7104        if (mLidState == LID_CLOSED && mLidControlsSleep) {
7105            mPowerManager.goToSleep(SystemClock.uptimeMillis(),
7106                    PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH,
7107                    PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
7108        } else if (mLidState == LID_CLOSED && mLidControlsScreenLock) {
7109            mWindowManagerFuncs.lockDeviceNow();
7110        }
7111
7112        synchronized (mLock) {
7113            updateWakeGestureListenerLp();
7114        }
7115    }
7116
7117    void updateUiMode() {
7118        if (mUiModeManager == null) {
7119            mUiModeManager = IUiModeManager.Stub.asInterface(
7120                    ServiceManager.getService(Context.UI_MODE_SERVICE));
7121        }
7122        try {
7123            mUiMode = mUiModeManager.getCurrentModeType();
7124        } catch (RemoteException e) {
7125        }
7126    }
7127
7128    void updateRotation(boolean alwaysSendConfiguration) {
7129        try {
7130            //set orientation on WindowManager
7131            mWindowManager.updateRotation(alwaysSendConfiguration, false);
7132        } catch (RemoteException e) {
7133            // Ignore
7134        }
7135    }
7136
7137    void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
7138        try {
7139            //set orientation on WindowManager
7140            mWindowManager.updateRotation(alwaysSendConfiguration, forceRelayout);
7141        } catch (RemoteException e) {
7142            // Ignore
7143        }
7144    }
7145
7146    /**
7147     * Return an Intent to launch the currently active dock app as home.  Returns
7148     * null if the standard home should be launched, which is the case if any of the following is
7149     * true:
7150     * <ul>
7151     *  <li>The device is not in either car mode or desk mode
7152     *  <li>The device is in car mode but mEnableCarDockHomeCapture is false
7153     *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
7154     *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
7155     *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
7156     * </ul>
7157     * @return A dock intent.
7158     */
7159    Intent createHomeDockIntent() {
7160        Intent intent = null;
7161
7162        // What home does is based on the mode, not the dock state.  That
7163        // is, when in car mode you should be taken to car home regardless
7164        // of whether we are actually in a car dock.
7165        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
7166            if (mEnableCarDockHomeCapture) {
7167                intent = mCarDockIntent;
7168            }
7169        } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
7170            if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
7171                intent = mDeskDockIntent;
7172            }
7173        } else if (mUiMode == Configuration.UI_MODE_TYPE_WATCH
7174                && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
7175                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK
7176                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK)) {
7177            // Always launch dock home from home when watch is docked, if it exists.
7178            intent = mDeskDockIntent;
7179        }
7180
7181        if (intent == null) {
7182            return null;
7183        }
7184
7185        ActivityInfo ai = null;
7186        ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(
7187                intent,
7188                PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_META_DATA,
7189                mCurrentUserId);
7190        if (info != null) {
7191            ai = info.activityInfo;
7192        }
7193        if (ai != null
7194                && ai.metaData != null
7195                && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
7196            intent = new Intent(intent);
7197            intent.setClassName(ai.packageName, ai.name);
7198            return intent;
7199        }
7200
7201        return null;
7202    }
7203
7204    void startDockOrHome(boolean fromHomeKey, boolean awakenFromDreams) {
7205        if (awakenFromDreams) {
7206            awakenDreams();
7207        }
7208
7209        Intent dock = createHomeDockIntent();
7210        if (dock != null) {
7211            try {
7212                if (fromHomeKey) {
7213                    dock.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
7214                }
7215                startActivityAsUser(dock, UserHandle.CURRENT);
7216                return;
7217            } catch (ActivityNotFoundException e) {
7218            }
7219        }
7220
7221        Intent intent;
7222
7223        if (fromHomeKey) {
7224            intent = new Intent(mHomeIntent);
7225            intent.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
7226        } else {
7227            intent = mHomeIntent;
7228        }
7229
7230        startActivityAsUser(intent, UserHandle.CURRENT);
7231    }
7232
7233    /**
7234     * goes to the home screen
7235     * @return whether it did anything
7236     */
7237    boolean goHome() {
7238        if (!isUserSetupComplete()) {
7239            Slog.i(TAG, "Not going home because user setup is in progress.");
7240            return false;
7241        }
7242        if (false) {
7243            // This code always brings home to the front.
7244            try {
7245                ActivityManagerNative.getDefault().stopAppSwitches();
7246            } catch (RemoteException e) {
7247            }
7248            sendCloseSystemWindows();
7249            startDockOrHome(false /*fromHomeKey*/, true /* awakenFromDreams */);
7250        } else {
7251            // This code brings home to the front or, if it is already
7252            // at the front, puts the device to sleep.
7253            try {
7254                if (SystemProperties.getInt("persist.sys.uts-test-mode", 0) == 1) {
7255                    /// Roll back EndcallBehavior as the cupcake design to pass P1 lab entry.
7256                    Log.d(TAG, "UTS-TEST-MODE");
7257                } else {
7258                    ActivityManagerNative.getDefault().stopAppSwitches();
7259                    sendCloseSystemWindows();
7260                    Intent dock = createHomeDockIntent();
7261                    if (dock != null) {
7262                        int result = ActivityManagerNative.getDefault()
7263                                .startActivityAsUser(null, null, dock,
7264                                        dock.resolveTypeIfNeeded(mContext.getContentResolver()),
7265                                        null, null, 0,
7266                                        ActivityManager.START_FLAG_ONLY_IF_NEEDED,
7267                                        null, null, UserHandle.USER_CURRENT);
7268                        if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
7269                            return false;
7270                        }
7271                    }
7272                }
7273                int result = ActivityManagerNative.getDefault()
7274                        .startActivityAsUser(null, null, mHomeIntent,
7275                                mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
7276                                null, null, 0,
7277                                ActivityManager.START_FLAG_ONLY_IF_NEEDED,
7278                                null, null, UserHandle.USER_CURRENT);
7279                if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
7280                    return false;
7281                }
7282            } catch (RemoteException ex) {
7283                // bummer, the activity manager, which is in this process, is dead
7284            }
7285        }
7286        return true;
7287    }
7288
7289    @Override
7290    public void setCurrentOrientationLw(int newOrientation) {
7291        synchronized (mLock) {
7292            if (newOrientation != mCurrentAppOrientation) {
7293                mCurrentAppOrientation = newOrientation;
7294                updateOrientationListenerLp();
7295            }
7296        }
7297    }
7298
7299    private void performAuditoryFeedbackForAccessibilityIfNeed() {
7300        if (!isGlobalAccessibilityGestureEnabled()) {
7301            return;
7302        }
7303        AudioManager audioManager = (AudioManager) mContext.getSystemService(
7304                Context.AUDIO_SERVICE);
7305        if (audioManager.isSilentMode()) {
7306            return;
7307        }
7308        Ringtone ringTone = RingtoneManager.getRingtone(mContext,
7309                Settings.System.DEFAULT_NOTIFICATION_URI);
7310        ringTone.setStreamType(AudioManager.STREAM_MUSIC);
7311        ringTone.play();
7312    }
7313
7314    private boolean isTheaterModeEnabled() {
7315        return Settings.Global.getInt(mContext.getContentResolver(),
7316                Settings.Global.THEATER_MODE_ON, 0) == 1;
7317    }
7318
7319    private boolean isGlobalAccessibilityGestureEnabled() {
7320        return Settings.Global.getInt(mContext.getContentResolver(),
7321                Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED, 0) == 1;
7322    }
7323
7324    private boolean areSystemNavigationKeysEnabled() {
7325        return Settings.Secure.getIntForUser(mContext.getContentResolver(),
7326                Settings.Secure.SYSTEM_NAVIGATION_KEYS_ENABLED, 0, UserHandle.USER_CURRENT) == 1;
7327    }
7328
7329    @Override
7330    public boolean performHapticFeedbackLw(WindowState win, int effectId, boolean always) {
7331        if (!mVibrator.hasVibrator()) {
7332            return false;
7333        }
7334        final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(),
7335                Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0;
7336        if (hapticsDisabled && !always) {
7337            return false;
7338        }
7339        long[] pattern = null;
7340        switch (effectId) {
7341            case HapticFeedbackConstants.LONG_PRESS:
7342                pattern = mLongPressVibePattern;
7343                break;
7344            case HapticFeedbackConstants.VIRTUAL_KEY:
7345                pattern = mVirtualKeyVibePattern;
7346                break;
7347            case HapticFeedbackConstants.KEYBOARD_TAP:
7348                pattern = mKeyboardTapVibePattern;
7349                break;
7350            case HapticFeedbackConstants.CLOCK_TICK:
7351                pattern = mClockTickVibePattern;
7352                break;
7353            case HapticFeedbackConstants.CALENDAR_DATE:
7354                pattern = mCalendarDateVibePattern;
7355                break;
7356            case HapticFeedbackConstants.SAFE_MODE_DISABLED:
7357                pattern = mSafeModeDisabledVibePattern;
7358                break;
7359            case HapticFeedbackConstants.SAFE_MODE_ENABLED:
7360                pattern = mSafeModeEnabledVibePattern;
7361                break;
7362            case HapticFeedbackConstants.CONTEXT_CLICK:
7363                pattern = mContextClickVibePattern;
7364                break;
7365            default:
7366                return false;
7367        }
7368        int owningUid;
7369        String owningPackage;
7370        if (win != null) {
7371            owningUid = win.getOwningUid();
7372            owningPackage = win.getOwningPackage();
7373        } else {
7374            owningUid = android.os.Process.myUid();
7375            owningPackage = mContext.getOpPackageName();
7376        }
7377        if (pattern.length == 1) {
7378            // One-shot vibration
7379            mVibrator.vibrate(owningUid, owningPackage, pattern[0], VIBRATION_ATTRIBUTES);
7380        } else {
7381            // Pattern vibration
7382            mVibrator.vibrate(owningUid, owningPackage, pattern, -1, VIBRATION_ATTRIBUTES);
7383        }
7384        return true;
7385    }
7386
7387    @Override
7388    public void keepScreenOnStartedLw() {
7389    }
7390
7391    @Override
7392    public void keepScreenOnStoppedLw() {
7393        if (isKeyguardShowingAndNotOccluded()) {
7394            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
7395        }
7396    }
7397
7398    private int updateSystemUiVisibilityLw() {
7399        // If there is no window focused, there will be nobody to handle the events
7400        // anyway, so just hang on in whatever state we're in until things settle down.
7401        final WindowState win = mFocusedWindow != null ? mFocusedWindow
7402                : mTopFullscreenOpaqueWindowState;
7403        if (win == null) {
7404            return 0;
7405        }
7406        if ((win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 && mHideLockScreen == true) {
7407            // We are updating at a point where the keyguard has gotten
7408            // focus, but we were last in a state where the top window is
7409            // hiding it.  This is probably because the keyguard as been
7410            // shown while the top window was displayed, so we want to ignore
7411            // it here because this is just a very transient change and it
7412            // will quickly lose focus once it correctly gets hidden.
7413            return 0;
7414        }
7415
7416        int tmpVisibility = PolicyControl.getSystemUiVisibility(win, null)
7417                & ~mResettingSystemUiFlags
7418                & ~mForceClearedSystemUiFlags;
7419        if (mForcingShowNavBar && win.getSurfaceLayer() < mForcingShowNavBarLayer) {
7420            tmpVisibility &= ~PolicyControl.adjustClearableFlags(win, View.SYSTEM_UI_CLEARABLE_FLAGS);
7421        }
7422
7423        final int fullscreenVisibility = updateLightStatusBarLw(0 /* vis */,
7424                mTopFullscreenOpaqueWindowState, mTopFullscreenOpaqueOrDimmingWindowState);
7425        final int dockedVisibility = updateLightStatusBarLw(0 /* vis */,
7426                mTopDockedOpaqueWindowState, mTopDockedOpaqueOrDimmingWindowState);
7427        mWindowManagerFuncs.getStackBounds(HOME_STACK_ID, mNonDockedStackBounds);
7428        mWindowManagerFuncs.getStackBounds(DOCKED_STACK_ID, mDockedStackBounds);
7429        final int visibility = updateSystemBarsLw(win, mLastSystemUiFlags, tmpVisibility);
7430        final int diff = visibility ^ mLastSystemUiFlags;
7431        final int fullscreenDiff = fullscreenVisibility ^ mLastFullscreenStackSysUiFlags;
7432        final int dockedDiff = dockedVisibility ^ mLastDockedStackSysUiFlags;
7433        final boolean needsMenu = win.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
7434        if (diff == 0 && fullscreenDiff == 0 && dockedDiff == 0 && mLastFocusNeedsMenu == needsMenu
7435                && mFocusedApp == win.getAppToken()
7436                && mLastNonDockedStackBounds.equals(mNonDockedStackBounds)
7437                && mLastDockedStackBounds.equals(mDockedStackBounds)) {
7438            return 0;
7439        }
7440        mLastSystemUiFlags = visibility;
7441        mLastFullscreenStackSysUiFlags = fullscreenVisibility;
7442        mLastDockedStackSysUiFlags = dockedVisibility;
7443        mLastFocusNeedsMenu = needsMenu;
7444        mFocusedApp = win.getAppToken();
7445        final Rect fullscreenStackBounds = new Rect(mNonDockedStackBounds);
7446        final Rect dockedStackBounds = new Rect(mDockedStackBounds);
7447        mHandler.post(new Runnable() {
7448                @Override
7449                public void run() {
7450                    StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
7451                    if (statusbar != null) {
7452                        statusbar.setSystemUiVisibility(visibility, fullscreenVisibility,
7453                                dockedVisibility, 0xffffffff, fullscreenStackBounds,
7454                                dockedStackBounds, win.toString());
7455                        statusbar.topAppWindowChanged(needsMenu);
7456                    }
7457                }
7458            });
7459        return diff;
7460    }
7461
7462    private int updateLightStatusBarLw(int vis, WindowState opaque, WindowState opaqueOrDimming) {
7463        WindowState statusColorWin = isStatusBarKeyguard() && !mHideLockScreen
7464                ? mStatusBar
7465                : opaqueOrDimming;
7466
7467        if (statusColorWin != null) {
7468            if (statusColorWin == opaque) {
7469                // If the top fullscreen-or-dimming window is also the top fullscreen, respect
7470                // its light flag.
7471                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7472                vis |= PolicyControl.getSystemUiVisibility(statusColorWin, null)
7473                        & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7474            } else if (statusColorWin != null && statusColorWin.isDimming()) {
7475                // Otherwise if it's dimming, clear the light flag.
7476                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7477            }
7478        }
7479        return vis;
7480    }
7481
7482    private boolean drawsSystemBarBackground(WindowState win) {
7483        return win == null || (win.getAttrs().flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0;
7484    }
7485
7486    private boolean forcesDrawStatusBarBackground(WindowState win) {
7487        return win == null || (win.getAttrs().privateFlags
7488                & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND) != 0;
7489    }
7490
7491    private int updateSystemBarsLw(WindowState win, int oldVis, int vis) {
7492        final boolean dockedStackVisible = mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID);
7493        final boolean freeformStackVisible =
7494                mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID);
7495        final boolean resizing = mWindowManagerInternal.isDockedDividerResizing();
7496
7497        // We need to force system bars when the docked stack is visible, when the freeform stack
7498        // is visible but also when we are resizing for the transitions when docked stack
7499        // visibility changes.
7500        mForceShowSystemBars = dockedStackVisible || freeformStackVisible || resizing;
7501        final boolean forceOpaqueStatusBar = mForceShowSystemBars && !mForceStatusBarFromKeyguard;
7502
7503        // apply translucent bar vis flags
7504        WindowState fullscreenTransWin = isStatusBarKeyguard() && !mHideLockScreen
7505                ? mStatusBar
7506                : mTopFullscreenOpaqueWindowState;
7507        vis = mStatusBarController.applyTranslucentFlagLw(fullscreenTransWin, vis, oldVis);
7508        vis = mNavigationBarController.applyTranslucentFlagLw(fullscreenTransWin, vis, oldVis);
7509        final int dockedVis = mStatusBarController.applyTranslucentFlagLw(
7510                mTopDockedOpaqueWindowState, 0, 0);
7511
7512        final boolean fullscreenDrawsStatusBarBackground =
7513                (drawsSystemBarBackground(mTopFullscreenOpaqueWindowState)
7514                        && (vis & View.STATUS_BAR_TRANSLUCENT) == 0)
7515                || forcesDrawStatusBarBackground(mTopFullscreenOpaqueWindowState);
7516        final boolean dockedDrawsStatusBarBackground =
7517                (drawsSystemBarBackground(mTopDockedOpaqueWindowState)
7518                        && (dockedVis & View.STATUS_BAR_TRANSLUCENT) == 0)
7519                || forcesDrawStatusBarBackground(mTopDockedOpaqueWindowState);
7520
7521        // prevent status bar interaction from clearing certain flags
7522        int type = win.getAttrs().type;
7523        boolean statusBarHasFocus = type == TYPE_STATUS_BAR;
7524        if (statusBarHasFocus && !isStatusBarKeyguard()) {
7525            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
7526                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
7527                    | View.SYSTEM_UI_FLAG_IMMERSIVE
7528                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
7529                    | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7530            if (mHideLockScreen) {
7531                flags |= View.STATUS_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSLUCENT;
7532            }
7533            vis = (vis & ~flags) | (oldVis & flags);
7534        }
7535
7536        if (fullscreenDrawsStatusBarBackground && dockedDrawsStatusBarBackground) {
7537            vis |= View.STATUS_BAR_TRANSPARENT;
7538            vis &= ~View.STATUS_BAR_TRANSLUCENT;
7539        } else if ((!areTranslucentBarsAllowed() && fullscreenTransWin != mStatusBar)
7540                || forceOpaqueStatusBar) {
7541            vis &= ~(View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT);
7542        }
7543
7544        vis = configureNavBarOpacity(vis, dockedStackVisible, freeformStackVisible, resizing);
7545
7546        // update status bar
7547        boolean immersiveSticky =
7548                (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
7549        final boolean hideStatusBarWM =
7550                mTopFullscreenOpaqueWindowState != null
7551                && (PolicyControl.getWindowFlags(mTopFullscreenOpaqueWindowState, null)
7552                        & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0;
7553        final boolean hideStatusBarSysui =
7554                (vis & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
7555        final boolean hideNavBarSysui =
7556                (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0;
7557
7558        final boolean transientStatusBarAllowed = mStatusBar != null
7559                && (statusBarHasFocus || (!mForceShowSystemBars
7560                        && (hideStatusBarWM || (hideStatusBarSysui && immersiveSticky))));
7561
7562        final boolean transientNavBarAllowed = mNavigationBar != null
7563                && !mForceShowSystemBars && hideNavBarSysui && immersiveSticky;
7564
7565        final long now = SystemClock.uptimeMillis();
7566        final boolean pendingPanic = mPendingPanicGestureUptime != 0
7567                && now - mPendingPanicGestureUptime <= PANIC_GESTURE_EXPIRATION;
7568        if (pendingPanic && hideNavBarSysui && !isStatusBarKeyguard() && mKeyguardDrawComplete) {
7569            // The user performed the panic gesture recently, we're about to hide the bars,
7570            // we're no longer on the Keyguard and the screen is ready. We can now request the bars.
7571            mPendingPanicGestureUptime = 0;
7572            mStatusBarController.showTransient();
7573            if (!isNavBarEmpty(vis)) {
7574                mNavigationBarController.showTransient();
7575            }
7576        }
7577
7578        final boolean denyTransientStatus = mStatusBarController.isTransientShowRequested()
7579                && !transientStatusBarAllowed && hideStatusBarSysui;
7580        final boolean denyTransientNav = mNavigationBarController.isTransientShowRequested()
7581                && !transientNavBarAllowed;
7582        if (denyTransientStatus || denyTransientNav || mForceShowSystemBars) {
7583            // clear the clearable flags instead
7584            clearClearableFlagsLw();
7585            vis &= ~View.SYSTEM_UI_CLEARABLE_FLAGS;
7586        }
7587
7588        final boolean immersive = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
7589        immersiveSticky = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
7590        final boolean navAllowedHidden = immersive || immersiveSticky;
7591
7592        if (hideNavBarSysui && !navAllowedHidden && windowTypeToLayerLw(win.getBaseType())
7593                > windowTypeToLayerLw(TYPE_INPUT_CONSUMER)) {
7594            // We can't hide the navbar from this window otherwise the input consumer would not get
7595            // the input events.
7596            vis = (vis & ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
7597        }
7598
7599        vis = mStatusBarController.updateVisibilityLw(transientStatusBarAllowed, oldVis, vis);
7600
7601        // update navigation bar
7602        boolean oldImmersiveMode = isImmersiveMode(oldVis);
7603        boolean newImmersiveMode = isImmersiveMode(vis);
7604        if (win != null && oldImmersiveMode != newImmersiveMode) {
7605            final String pkg = win.getOwningPackage();
7606            mImmersiveModeConfirmation.immersiveModeChangedLw(pkg, newImmersiveMode,
7607                    isUserSetupComplete(), isNavBarEmpty(win.getSystemUiVisibility()));
7608        }
7609
7610        vis = mNavigationBarController.updateVisibilityLw(transientNavBarAllowed, oldVis, vis);
7611
7612        return vis;
7613    }
7614
7615    /**
7616     * @return the current visibility flags with the nav-bar opacity related flags toggled based
7617     *         on the nav bar opacity rules chosen by {@link #mNavBarOpacityMode}.
7618     */
7619    private int configureNavBarOpacity(int visibility, boolean dockedStackVisible,
7620            boolean freeformStackVisible, boolean isDockedDividerResizing) {
7621        if (mNavBarOpacityMode == NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED) {
7622            if (dockedStackVisible || freeformStackVisible || isDockedDividerResizing) {
7623                visibility = setNavBarOpaqueFlag(visibility);
7624            }
7625        } else if (mNavBarOpacityMode == NAV_BAR_TRANSLUCENT_WHEN_FREEFORM_OPAQUE_OTHERWISE) {
7626            if (isDockedDividerResizing) {
7627                visibility = setNavBarOpaqueFlag(visibility);
7628            } else if (freeformStackVisible) {
7629                visibility = setNavBarTranslucentFlag(visibility);
7630            } else {
7631                visibility = setNavBarOpaqueFlag(visibility);
7632            }
7633        }
7634
7635        if (!areTranslucentBarsAllowed()) {
7636            visibility &= ~View.NAVIGATION_BAR_TRANSLUCENT;
7637        }
7638        return visibility;
7639    }
7640
7641    private int setNavBarOpaqueFlag(int visibility) {
7642        return visibility &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT);
7643    }
7644
7645    private int setNavBarTranslucentFlag(int visibility) {
7646        visibility &= ~View.NAVIGATION_BAR_TRANSPARENT;
7647        return visibility |= View.NAVIGATION_BAR_TRANSLUCENT;
7648    }
7649
7650    private void clearClearableFlagsLw() {
7651        int newVal = mResettingSystemUiFlags | View.SYSTEM_UI_CLEARABLE_FLAGS;
7652        if (newVal != mResettingSystemUiFlags) {
7653            mResettingSystemUiFlags = newVal;
7654            mWindowManagerFuncs.reevaluateStatusBarVisibility();
7655        }
7656    }
7657
7658    private boolean isImmersiveMode(int vis) {
7659        final int flags = View.SYSTEM_UI_FLAG_IMMERSIVE | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
7660        return mNavigationBar != null
7661                && (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
7662                && (vis & flags) != 0
7663                && canHideNavigationBar();
7664    }
7665
7666    private static boolean isNavBarEmpty(int systemUiFlags) {
7667        final int disableNavigationBar = (View.STATUS_BAR_DISABLE_HOME
7668                | View.STATUS_BAR_DISABLE_BACK
7669                | View.STATUS_BAR_DISABLE_RECENT);
7670
7671        return (systemUiFlags & disableNavigationBar) == disableNavigationBar;
7672    }
7673
7674    /**
7675     * @return whether the navigation or status bar can be made translucent
7676     *
7677     * This should return true unless touch exploration is not enabled or
7678     * R.boolean.config_enableTranslucentDecor is false.
7679     */
7680    private boolean areTranslucentBarsAllowed() {
7681        return mTranslucentDecorEnabled;
7682    }
7683
7684    // Use this instead of checking config_showNavigationBar so that it can be consistently
7685    // overridden by qemu.hw.mainkeys in the emulator.
7686    @Override
7687    public boolean hasNavigationBar() {
7688        return mHasNavigationBar;
7689    }
7690
7691    @Override
7692    public void setLastInputMethodWindowLw(WindowState ime, WindowState target) {
7693        mLastInputMethodWindow = ime;
7694        mLastInputMethodTargetWindow = target;
7695    }
7696
7697    @Override
7698    public int getInputMethodWindowVisibleHeightLw() {
7699        return mDockBottom - mCurBottom;
7700    }
7701
7702    @Override
7703    public void setCurrentUserLw(int newUserId) {
7704        mCurrentUserId = newUserId;
7705        if (mKeyguardDelegate != null) {
7706            mKeyguardDelegate.setCurrentUser(newUserId);
7707        }
7708        StatusBarManagerInternal statusBar = getStatusBarManagerInternal();
7709        if (statusBar != null) {
7710            statusBar.setCurrentUser(newUserId);
7711        }
7712        setLastInputMethodWindowLw(null, null);
7713    }
7714
7715    @Override
7716    public boolean canMagnifyWindow(int windowType) {
7717        switch (windowType) {
7718            case WindowManager.LayoutParams.TYPE_INPUT_METHOD:
7719            case WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG:
7720            case WindowManager.LayoutParams.TYPE_NAVIGATION_BAR:
7721            case WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY: {
7722                return false;
7723            }
7724        }
7725        return true;
7726    }
7727
7728    @Override
7729    public boolean isTopLevelWindow(int windowType) {
7730        if (windowType >= WindowManager.LayoutParams.FIRST_SUB_WINDOW
7731                && windowType <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
7732            return (windowType == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG);
7733        }
7734        return true;
7735    }
7736
7737    @Override
7738    public boolean shouldRotateSeamlessly(int oldRotation, int newRotation) {
7739        // For the upside down rotation we don't rotate seamlessly as the navigation
7740        // bar moves position.
7741        // Note most apps (using orientation:sensor or user as opposed to fullSensor)
7742        // will not enter the reverse portrait orientation, so actually the
7743        // orientation won't change at all.
7744        if (oldRotation == mUpsideDownRotation || newRotation == mUpsideDownRotation) {
7745            return false;
7746        }
7747        int delta = newRotation - oldRotation;
7748        if (delta < 0) delta += 4;
7749        // Likewise we don't rotate seamlessly for 180 degree rotations
7750        // in this case the surfaces never resize, and our logic to
7751        // revert the transformations on size change will fail. We could
7752        // fix this in the future with the "tagged" frames idea.
7753        if (delta == Surface.ROTATION_180) {
7754            return false;
7755        }
7756
7757        // We only enable seamless rotation if the top window has requested
7758        // it and is in the fullscreen opaque state. Seamless rotation
7759        // requires freezing various Surface states and won't work well
7760        // with animations, so we disable it in the animation case for now.
7761        if (mTopFullscreenOpaqueWindowState != null && mTopIsFullscreen &&
7762                !mTopFullscreenOpaqueWindowState.isAnimatingLw() &&
7763                mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation ==
7764                ROTATION_ANIMATION_JUMPCUT) {
7765            return true;
7766        }
7767        return false;
7768    }
7769
7770    @Override
7771    public void dump(String prefix, PrintWriter pw, String[] args) {
7772        pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
7773                pw.print(" mSystemReady="); pw.print(mSystemReady);
7774                pw.print(" mSystemBooted="); pw.println(mSystemBooted);
7775        pw.print(prefix); pw.print("mLidState="); pw.print(mLidState);
7776                pw.print(" mLidOpenRotation="); pw.print(mLidOpenRotation);
7777                pw.print(" mCameraLensCoverState="); pw.print(mCameraLensCoverState);
7778                pw.print(" mHdmiPlugged="); pw.println(mHdmiPlugged);
7779        if (mLastSystemUiFlags != 0 || mResettingSystemUiFlags != 0
7780                || mForceClearedSystemUiFlags != 0) {
7781            pw.print(prefix); pw.print("mLastSystemUiFlags=0x");
7782                    pw.print(Integer.toHexString(mLastSystemUiFlags));
7783                    pw.print(" mResettingSystemUiFlags=0x");
7784                    pw.print(Integer.toHexString(mResettingSystemUiFlags));
7785                    pw.print(" mForceClearedSystemUiFlags=0x");
7786                    pw.println(Integer.toHexString(mForceClearedSystemUiFlags));
7787        }
7788        if (mLastFocusNeedsMenu) {
7789            pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
7790                    pw.println(mLastFocusNeedsMenu);
7791        }
7792        pw.print(prefix); pw.print("mWakeGestureEnabledSetting=");
7793                pw.println(mWakeGestureEnabledSetting);
7794
7795        pw.print(prefix); pw.print("mSupportAutoRotation="); pw.println(mSupportAutoRotation);
7796        pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
7797                pw.print(" mDockMode="); pw.print(mDockMode);
7798                pw.print(" mEnableCarDockHomeCapture="); pw.print(mEnableCarDockHomeCapture);
7799                pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
7800                pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
7801        pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);
7802                pw.print(" mUserRotation="); pw.print(mUserRotation);
7803                pw.print(" mAllowAllRotations="); pw.println(mAllowAllRotations);
7804        pw.print(prefix); pw.print("mCurrentAppOrientation="); pw.println(mCurrentAppOrientation);
7805        pw.print(prefix); pw.print("mCarDockEnablesAccelerometer=");
7806                pw.print(mCarDockEnablesAccelerometer);
7807                pw.print(" mDeskDockEnablesAccelerometer=");
7808                pw.println(mDeskDockEnablesAccelerometer);
7809        pw.print(prefix); pw.print("mLidKeyboardAccessibility=");
7810                pw.print(mLidKeyboardAccessibility);
7811                pw.print(" mLidNavigationAccessibility="); pw.print(mLidNavigationAccessibility);
7812                pw.print(" mLidControlsScreenLock="); pw.println(mLidControlsScreenLock);
7813                pw.print(" mLidControlsSleep="); pw.println(mLidControlsSleep);
7814        pw.print(prefix);
7815                pw.print(" mLongPressOnBackBehavior="); pw.println(mLongPressOnBackBehavior);
7816        pw.print(prefix);
7817                pw.print("mShortPressOnPowerBehavior="); pw.print(mShortPressOnPowerBehavior);
7818                pw.print(" mLongPressOnPowerBehavior="); pw.println(mLongPressOnPowerBehavior);
7819        pw.print(prefix);
7820                pw.print("mDoublePressOnPowerBehavior="); pw.print(mDoublePressOnPowerBehavior);
7821                pw.print(" mTriplePressOnPowerBehavior="); pw.println(mTriplePressOnPowerBehavior);
7822        pw.print(prefix); pw.print("mHasSoftInput="); pw.println(mHasSoftInput);
7823        pw.print(prefix); pw.print("mAwake="); pw.println(mAwake);
7824        pw.print(prefix); pw.print("mScreenOnEarly="); pw.print(mScreenOnEarly);
7825                pw.print(" mScreenOnFully="); pw.println(mScreenOnFully);
7826        pw.print(prefix); pw.print("mKeyguardDrawComplete="); pw.print(mKeyguardDrawComplete);
7827                pw.print(" mWindowManagerDrawComplete="); pw.println(mWindowManagerDrawComplete);
7828        pw.print(prefix); pw.print("mOrientationSensorEnabled=");
7829                pw.println(mOrientationSensorEnabled);
7830        pw.print(prefix); pw.print("mOverscanScreen=("); pw.print(mOverscanScreenLeft);
7831                pw.print(","); pw.print(mOverscanScreenTop);
7832                pw.print(") "); pw.print(mOverscanScreenWidth);
7833                pw.print("x"); pw.println(mOverscanScreenHeight);
7834        if (mOverscanLeft != 0 || mOverscanTop != 0
7835                || mOverscanRight != 0 || mOverscanBottom != 0) {
7836            pw.print(prefix); pw.print("mOverscan left="); pw.print(mOverscanLeft);
7837                    pw.print(" top="); pw.print(mOverscanTop);
7838                    pw.print(" right="); pw.print(mOverscanRight);
7839                    pw.print(" bottom="); pw.println(mOverscanBottom);
7840        }
7841        pw.print(prefix); pw.print("mRestrictedOverscanScreen=(");
7842                pw.print(mRestrictedOverscanScreenLeft);
7843                pw.print(","); pw.print(mRestrictedOverscanScreenTop);
7844                pw.print(") "); pw.print(mRestrictedOverscanScreenWidth);
7845                pw.print("x"); pw.println(mRestrictedOverscanScreenHeight);
7846        pw.print(prefix); pw.print("mUnrestrictedScreen=("); pw.print(mUnrestrictedScreenLeft);
7847                pw.print(","); pw.print(mUnrestrictedScreenTop);
7848                pw.print(") "); pw.print(mUnrestrictedScreenWidth);
7849                pw.print("x"); pw.println(mUnrestrictedScreenHeight);
7850        pw.print(prefix); pw.print("mRestrictedScreen=("); pw.print(mRestrictedScreenLeft);
7851                pw.print(","); pw.print(mRestrictedScreenTop);
7852                pw.print(") "); pw.print(mRestrictedScreenWidth);
7853                pw.print("x"); pw.println(mRestrictedScreenHeight);
7854        pw.print(prefix); pw.print("mStableFullscreen=("); pw.print(mStableFullscreenLeft);
7855                pw.print(","); pw.print(mStableFullscreenTop);
7856                pw.print(")-("); pw.print(mStableFullscreenRight);
7857                pw.print(","); pw.print(mStableFullscreenBottom); pw.println(")");
7858        pw.print(prefix); pw.print("mStable=("); pw.print(mStableLeft);
7859                pw.print(","); pw.print(mStableTop);
7860                pw.print(")-("); pw.print(mStableRight);
7861                pw.print(","); pw.print(mStableBottom); pw.println(")");
7862        pw.print(prefix); pw.print("mSystem=("); pw.print(mSystemLeft);
7863                pw.print(","); pw.print(mSystemTop);
7864                pw.print(")-("); pw.print(mSystemRight);
7865                pw.print(","); pw.print(mSystemBottom); pw.println(")");
7866        pw.print(prefix); pw.print("mCur=("); pw.print(mCurLeft);
7867                pw.print(","); pw.print(mCurTop);
7868                pw.print(")-("); pw.print(mCurRight);
7869                pw.print(","); pw.print(mCurBottom); pw.println(")");
7870        pw.print(prefix); pw.print("mContent=("); pw.print(mContentLeft);
7871                pw.print(","); pw.print(mContentTop);
7872                pw.print(")-("); pw.print(mContentRight);
7873                pw.print(","); pw.print(mContentBottom); pw.println(")");
7874        pw.print(prefix); pw.print("mVoiceContent=("); pw.print(mVoiceContentLeft);
7875                pw.print(","); pw.print(mVoiceContentTop);
7876                pw.print(")-("); pw.print(mVoiceContentRight);
7877                pw.print(","); pw.print(mVoiceContentBottom); pw.println(")");
7878        pw.print(prefix); pw.print("mDock=("); pw.print(mDockLeft);
7879                pw.print(","); pw.print(mDockTop);
7880                pw.print(")-("); pw.print(mDockRight);
7881                pw.print(","); pw.print(mDockBottom); pw.println(")");
7882        pw.print(prefix); pw.print("mDockLayer="); pw.print(mDockLayer);
7883                pw.print(" mStatusBarLayer="); pw.println(mStatusBarLayer);
7884        pw.print(prefix); pw.print("mShowingLockscreen="); pw.print(mShowingLockscreen);
7885                pw.print(" mShowingDream="); pw.print(mShowingDream);
7886                pw.print(" mDreamingLockscreen="); pw.print(mDreamingLockscreen);
7887                pw.print(" mDreamingSleepToken="); pw.println(mDreamingSleepToken);
7888        if (mLastInputMethodWindow != null) {
7889            pw.print(prefix); pw.print("mLastInputMethodWindow=");
7890                    pw.println(mLastInputMethodWindow);
7891        }
7892        if (mLastInputMethodTargetWindow != null) {
7893            pw.print(prefix); pw.print("mLastInputMethodTargetWindow=");
7894                    pw.println(mLastInputMethodTargetWindow);
7895        }
7896        if (mStatusBar != null) {
7897            pw.print(prefix); pw.print("mStatusBar=");
7898                    pw.print(mStatusBar); pw.print(" isStatusBarKeyguard=");
7899                    pw.println(isStatusBarKeyguard());
7900        }
7901        if (mNavigationBar != null) {
7902            pw.print(prefix); pw.print("mNavigationBar=");
7903                    pw.println(mNavigationBar);
7904        }
7905        if (mFocusedWindow != null) {
7906            pw.print(prefix); pw.print("mFocusedWindow=");
7907                    pw.println(mFocusedWindow);
7908        }
7909        if (mFocusedApp != null) {
7910            pw.print(prefix); pw.print("mFocusedApp=");
7911                    pw.println(mFocusedApp);
7912        }
7913        if (mWinDismissingKeyguard != null) {
7914            pw.print(prefix); pw.print("mWinDismissingKeyguard=");
7915                    pw.println(mWinDismissingKeyguard);
7916        }
7917        if (mTopFullscreenOpaqueWindowState != null) {
7918            pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
7919                    pw.println(mTopFullscreenOpaqueWindowState);
7920        }
7921        if (mTopFullscreenOpaqueOrDimmingWindowState != null) {
7922            pw.print(prefix); pw.print("mTopFullscreenOpaqueOrDimmingWindowState=");
7923                    pw.println(mTopFullscreenOpaqueOrDimmingWindowState);
7924        }
7925        if (mForcingShowNavBar) {
7926            pw.print(prefix); pw.print("mForcingShowNavBar=");
7927                    pw.println(mForcingShowNavBar); pw.print( "mForcingShowNavBarLayer=");
7928                    pw.println(mForcingShowNavBarLayer);
7929        }
7930        pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
7931                pw.print(" mHideLockScreen="); pw.println(mHideLockScreen);
7932        pw.print(prefix); pw.print("mForceStatusBar="); pw.print(mForceStatusBar);
7933                pw.print(" mForceStatusBarFromKeyguard=");
7934                pw.println(mForceStatusBarFromKeyguard);
7935        pw.print(prefix); pw.print("mDismissKeyguard="); pw.print(mDismissKeyguard);
7936                pw.print(" mWinDismissingKeyguard="); pw.print(mWinDismissingKeyguard);
7937                pw.print(" mHomePressed="); pw.println(mHomePressed);
7938        pw.print(prefix); pw.print("mAllowLockscreenWhenOn="); pw.print(mAllowLockscreenWhenOn);
7939                pw.print(" mLockScreenTimeout="); pw.print(mLockScreenTimeout);
7940                pw.print(" mLockScreenTimerActive="); pw.println(mLockScreenTimerActive);
7941        pw.print(prefix); pw.print("mEndcallBehavior="); pw.print(mEndcallBehavior);
7942                pw.print(" mIncallPowerBehavior="); pw.print(mIncallPowerBehavior);
7943                pw.print(" mLongPressOnHomeBehavior="); pw.println(mLongPressOnHomeBehavior);
7944        pw.print(prefix); pw.print("mLandscapeRotation="); pw.print(mLandscapeRotation);
7945                pw.print(" mSeascapeRotation="); pw.println(mSeascapeRotation);
7946        pw.print(prefix); pw.print("mPortraitRotation="); pw.print(mPortraitRotation);
7947                pw.print(" mUpsideDownRotation="); pw.println(mUpsideDownRotation);
7948        pw.print(prefix); pw.print("mDemoHdmiRotation="); pw.print(mDemoHdmiRotation);
7949                pw.print(" mDemoHdmiRotationLock="); pw.println(mDemoHdmiRotationLock);
7950        pw.print(prefix); pw.print("mUndockedHdmiRotation="); pw.println(mUndockedHdmiRotation);
7951
7952        mGlobalKeyManager.dump(prefix, pw);
7953        mStatusBarController.dump(pw, prefix);
7954        mNavigationBarController.dump(pw, prefix);
7955        PolicyControl.dump(prefix, pw);
7956
7957        if (mWakeGestureListener != null) {
7958            mWakeGestureListener.dump(pw, prefix);
7959        }
7960        if (mOrientationListener != null) {
7961            mOrientationListener.dump(pw, prefix);
7962        }
7963        if (mBurnInProtectionHelper != null) {
7964            mBurnInProtectionHelper.dump(prefix, pw);
7965        }
7966        if (mKeyguardDelegate != null) {
7967            mKeyguardDelegate.dump(prefix, pw);
7968        }
7969    }
7970}
7971