PhoneWindowManager.java revision 36ca72c6c22489b5a29ce61ebf63824b3db03a52 
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            return true;
5323        } else if (!wasOccluded && isOccluded && showing) {
5324            mKeyguardOccluded = true;
5325            mKeyguardDelegate.setOccluded(true);
5326            mStatusBar.getAttrs().privateFlags &= ~PRIVATE_FLAG_KEYGUARD;
5327            mStatusBar.getAttrs().flags &= ~FLAG_SHOW_WALLPAPER;
5328            return true;
5329        } else {
5330            return false;
5331        }
5332    }
5333
5334    private boolean isStatusBarKeyguard() {
5335        return mStatusBar != null
5336                && (mStatusBar.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
5337    }
5338
5339    @Override
5340    public boolean allowAppAnimationsLw() {
5341        if (isStatusBarKeyguard() || mShowingDream) {
5342            // If keyguard or dreams is currently visible, no reason to animate behind it.
5343            return false;
5344        }
5345        return true;
5346    }
5347
5348    @Override
5349    public int focusChangedLw(WindowState lastFocus, WindowState newFocus) {
5350        mFocusedWindow = newFocus;
5351        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
5352            // If the navigation bar has been hidden or shown, we need to do another
5353            // layout pass to update that window.
5354            return FINISH_LAYOUT_REDO_LAYOUT;
5355        }
5356        return 0;
5357    }
5358
5359    /** {@inheritDoc} */
5360    @Override
5361    public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
5362        // lid changed state
5363        final int newLidState = lidOpen ? LID_OPEN : LID_CLOSED;
5364        if (newLidState == mLidState) {
5365            return;
5366        }
5367
5368        mLidState = newLidState;
5369        applyLidSwitchState();
5370        updateRotation(true);
5371
5372        if (lidOpen) {
5373            wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromLidSwitch,
5374                    "android.policy:LID");
5375        } else if (!mLidControlsSleep) {
5376            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
5377        }
5378    }
5379
5380    @Override
5381    public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) {
5382        int lensCoverState = lensCovered ? CAMERA_LENS_COVERED : CAMERA_LENS_UNCOVERED;
5383        if (mCameraLensCoverState == lensCoverState) {
5384            return;
5385        }
5386        if (mCameraLensCoverState == CAMERA_LENS_COVERED &&
5387                lensCoverState == CAMERA_LENS_UNCOVERED) {
5388            Intent intent;
5389            final boolean keyguardActive = mKeyguardDelegate == null ? false :
5390                    mKeyguardDelegate.isShowing();
5391            if (keyguardActive) {
5392                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);
5393            } else {
5394                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
5395            }
5396            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromCameraLens,
5397                    "android.policy:CAMERA_COVER");
5398            startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
5399        }
5400        mCameraLensCoverState = lensCoverState;
5401    }
5402
5403    void setHdmiPlugged(boolean plugged) {
5404        if (mHdmiPlugged != plugged) {
5405            mHdmiPlugged = plugged;
5406            updateRotation(true, true);
5407            Intent intent = new Intent(ACTION_HDMI_PLUGGED);
5408            intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
5409            intent.putExtra(EXTRA_HDMI_PLUGGED_STATE, plugged);
5410            mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
5411        }
5412    }
5413
5414    void initializeHdmiState() {
5415        boolean plugged = false;
5416        // watch for HDMI plug messages if the hdmi switch exists
5417        if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
5418            mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
5419
5420            final String filename = "/sys/class/switch/hdmi/state";
5421            FileReader reader = null;
5422            try {
5423                reader = new FileReader(filename);
5424                char[] buf = new char[15];
5425                int n = reader.read(buf);
5426                if (n > 1) {
5427                    plugged = 0 != Integer.parseInt(new String(buf, 0, n-1));
5428                }
5429            } catch (IOException ex) {
5430                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
5431            } catch (NumberFormatException ex) {
5432                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
5433            } finally {
5434                if (reader != null) {
5435                    try {
5436                        reader.close();
5437                    } catch (IOException ex) {
5438                    }
5439                }
5440            }
5441        }
5442        // This dance forces the code in setHdmiPlugged to run.
5443        // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
5444        mHdmiPlugged = !plugged;
5445        setHdmiPlugged(!mHdmiPlugged);
5446    }
5447
5448    final Object mScreenshotLock = new Object();
5449    ServiceConnection mScreenshotConnection = null;
5450
5451    final Runnable mScreenshotTimeout = new Runnable() {
5452        @Override public void run() {
5453            synchronized (mScreenshotLock) {
5454                if (mScreenshotConnection != null) {
5455                    mContext.unbindService(mScreenshotConnection);
5456                    mScreenshotConnection = null;
5457                    notifyScreenshotError();
5458                }
5459            }
5460        }
5461    };
5462
5463    // Assume this is called from the Handler thread.
5464    private void takeScreenshot(final int screenshotType) {
5465        synchronized (mScreenshotLock) {
5466            if (mScreenshotConnection != null) {
5467                return;
5468            }
5469            final ComponentName serviceComponent = new ComponentName(SYSUI_PACKAGE,
5470                    SYSUI_SCREENSHOT_SERVICE);
5471            final Intent serviceIntent = new Intent();
5472            serviceIntent.setComponent(serviceComponent);
5473            ServiceConnection conn = new ServiceConnection() {
5474                @Override
5475                public void onServiceConnected(ComponentName name, IBinder service) {
5476                    synchronized (mScreenshotLock) {
5477                        if (mScreenshotConnection != this) {
5478                            return;
5479                        }
5480                        Messenger messenger = new Messenger(service);
5481                        Message msg = Message.obtain(null, screenshotType);
5482                        final ServiceConnection myConn = this;
5483                        Handler h = new Handler(mHandler.getLooper()) {
5484                            @Override
5485                            public void handleMessage(Message msg) {
5486                                synchronized (mScreenshotLock) {
5487                                    if (mScreenshotConnection == myConn) {
5488                                        mContext.unbindService(mScreenshotConnection);
5489                                        mScreenshotConnection = null;
5490                                        mHandler.removeCallbacks(mScreenshotTimeout);
5491                                    }
5492                                }
5493                            }
5494                        };
5495                        msg.replyTo = new Messenger(h);
5496                        msg.arg1 = msg.arg2 = 0;
5497                        if (mStatusBar != null && mStatusBar.isVisibleLw())
5498                            msg.arg1 = 1;
5499                        if (mNavigationBar != null && mNavigationBar.isVisibleLw())
5500                            msg.arg2 = 1;
5501                        try {
5502                            messenger.send(msg);
5503                        } catch (RemoteException e) {
5504                        }
5505                    }
5506                }
5507
5508                @Override
5509                public void onServiceDisconnected(ComponentName name) {
5510                    notifyScreenshotError();
5511                }
5512            };
5513            if (mContext.bindServiceAsUser(serviceIntent, conn,
5514                    Context.BIND_AUTO_CREATE | Context.BIND_FOREGROUND_SERVICE_WHILE_AWAKE,
5515                    UserHandle.CURRENT)) {
5516                mScreenshotConnection = conn;
5517                mHandler.postDelayed(mScreenshotTimeout, 10000);
5518            }
5519        }
5520    }
5521
5522    /**
5523     * Notifies the screenshot service to show an error.
5524     */
5525    private void notifyScreenshotError() {
5526        // If the service process is killed, then ask it to clean up after itself
5527        final ComponentName errorComponent = new ComponentName(SYSUI_PACKAGE,
5528                SYSUI_SCREENSHOT_ERROR_RECEIVER);
5529        Intent errorIntent = new Intent(Intent.ACTION_USER_PRESENT);
5530        errorIntent.setComponent(errorComponent);
5531        errorIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT |
5532                Intent.FLAG_RECEIVER_FOREGROUND);
5533        mContext.sendBroadcastAsUser(errorIntent, UserHandle.CURRENT);
5534    }
5535
5536    /** {@inheritDoc} */
5537    @Override
5538    public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) {
5539        if (!mSystemBooted) {
5540            // If we have not yet booted, don't let key events do anything.
5541            return 0;
5542        }
5543
5544        final boolean interactive = (policyFlags & FLAG_INTERACTIVE) != 0;
5545        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
5546        final boolean canceled = event.isCanceled();
5547        final int keyCode = event.getKeyCode();
5548
5549        final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;
5550
5551        // If screen is off then we treat the case where the keyguard is open but hidden
5552        // the same as if it were open and in front.
5553        // This will prevent any keys other than the power button from waking the screen
5554        // when the keyguard is hidden by another activity.
5555        final boolean keyguardActive = (mKeyguardDelegate == null ? false :
5556                                            (interactive ?
5557                                                isKeyguardShowingAndNotOccluded() :
5558                                                mKeyguardDelegate.isShowing()));
5559
5560        if (DEBUG_INPUT) {
5561            Log.d(TAG, "interceptKeyTq keycode=" + keyCode
5562                    + " interactive=" + interactive + " keyguardActive=" + keyguardActive
5563                    + " policyFlags=" + Integer.toHexString(policyFlags));
5564        }
5565
5566        // Basic policy based on interactive state.
5567        int result;
5568        boolean isWakeKey = (policyFlags & WindowManagerPolicy.FLAG_WAKE) != 0
5569                || event.isWakeKey();
5570        if (interactive || (isInjected && !isWakeKey)) {
5571            // When the device is interactive or the key is injected pass the
5572            // key to the application.
5573            result = ACTION_PASS_TO_USER;
5574            isWakeKey = false;
5575
5576            if (interactive) {
5577                // If the screen is awake, but the button pressed was the one that woke the device
5578                // then don't pass it to the application
5579                if (keyCode == mPendingWakeKey && !down) {
5580                    result = 0;
5581                }
5582                // Reset the pending key
5583                mPendingWakeKey = PENDING_KEY_NULL;
5584            }
5585        } else if (!interactive && shouldDispatchInputWhenNonInteractive(event)) {
5586            // If we're currently dozing with the screen on and the keyguard showing, pass the key
5587            // to the application but preserve its wake key status to make sure we still move
5588            // from dozing to fully interactive if we would normally go from off to fully
5589            // interactive.
5590            result = ACTION_PASS_TO_USER;
5591            // Since we're dispatching the input, reset the pending key
5592            mPendingWakeKey = PENDING_KEY_NULL;
5593        } else {
5594            // When the screen is off and the key is not injected, determine whether
5595            // to wake the device but don't pass the key to the application.
5596            result = 0;
5597            if (isWakeKey && (!down || !isWakeKeyWhenScreenOff(keyCode))) {
5598                isWakeKey = false;
5599            }
5600            // Cache the wake key on down event so we can also avoid sending the up event to the app
5601            if (isWakeKey && down) {
5602                mPendingWakeKey = keyCode;
5603            }
5604        }
5605
5606        // If the key would be handled globally, just return the result, don't worry about special
5607        // key processing.
5608        if (isValidGlobalKey(keyCode)
5609                && mGlobalKeyManager.shouldHandleGlobalKey(keyCode, event)) {
5610            if (isWakeKey) {
5611                wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5612            }
5613            return result;
5614        }
5615
5616        boolean useHapticFeedback = down
5617                && (policyFlags & WindowManagerPolicy.FLAG_VIRTUAL) != 0
5618                && event.getRepeatCount() == 0;
5619
5620        // Handle special keys.
5621        switch (keyCode) {
5622            case KeyEvent.KEYCODE_BACK: {
5623                if (down) {
5624                    mBackKeyHandled = false;
5625                    if (hasLongPressOnBackBehavior()) {
5626                        Message msg = mHandler.obtainMessage(MSG_BACK_LONG_PRESS);
5627                        msg.setAsynchronous(true);
5628                        mHandler.sendMessageDelayed(msg,
5629                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
5630                    }
5631                } else {
5632                    boolean handled = mBackKeyHandled;
5633
5634                    // Reset back key state
5635                    cancelPendingBackKeyAction();
5636
5637                    // Don't pass back press to app if we've already handled it
5638                    if (handled) {
5639                        result &= ~ACTION_PASS_TO_USER;
5640                    }
5641                }
5642                break;
5643            }
5644
5645            case KeyEvent.KEYCODE_VOLUME_DOWN:
5646            case KeyEvent.KEYCODE_VOLUME_UP:
5647            case KeyEvent.KEYCODE_VOLUME_MUTE: {
5648                if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
5649                    if (down) {
5650                        if (interactive && !mScreenshotChordVolumeDownKeyTriggered
5651                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5652                            mScreenshotChordVolumeDownKeyTriggered = true;
5653                            mScreenshotChordVolumeDownKeyTime = event.getDownTime();
5654                            mScreenshotChordVolumeDownKeyConsumed = false;
5655                            cancelPendingPowerKeyAction();
5656                            interceptScreenshotChord();
5657                        }
5658                    } else {
5659                        mScreenshotChordVolumeDownKeyTriggered = false;
5660                        cancelPendingScreenshotChordAction();
5661                    }
5662                } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
5663                    if (down) {
5664                        if (interactive && !mScreenshotChordVolumeUpKeyTriggered
5665                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5666                            mScreenshotChordVolumeUpKeyTriggered = true;
5667                            cancelPendingPowerKeyAction();
5668                            cancelPendingScreenshotChordAction();
5669                        }
5670                    } else {
5671                        mScreenshotChordVolumeUpKeyTriggered = false;
5672                        cancelPendingScreenshotChordAction();
5673                    }
5674                }
5675                if (down) {
5676                    TelecomManager telecomManager = getTelecommService();
5677                    if (telecomManager != null) {
5678                        if (telecomManager.isRinging()) {
5679                            // If an incoming call is ringing, either VOLUME key means
5680                            // "silence ringer".  We handle these keys here, rather than
5681                            // in the InCallScreen, to make sure we'll respond to them
5682                            // even if the InCallScreen hasn't come to the foreground yet.
5683                            // Look for the DOWN event here, to agree with the "fallback"
5684                            // behavior in the InCallScreen.
5685                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5686                                  + " VOLUME key-down while ringing: Silence ringer!");
5687
5688                            // Silence the ringer.  (It's safe to call this
5689                            // even if the ringer has already been silenced.)
5690                            telecomManager.silenceRinger();
5691
5692                            // And *don't* pass this key thru to the current activity
5693                            // (which is probably the InCallScreen.)
5694                            result &= ~ACTION_PASS_TO_USER;
5695                            break;
5696                        }
5697                        if (telecomManager.isInCall()
5698                                && (result & ACTION_PASS_TO_USER) == 0) {
5699                            // If we are in call but we decided not to pass the key to
5700                            // the application, just pass it to the session service.
5701
5702                            MediaSessionLegacyHelper.getHelper(mContext)
5703                                    .sendVolumeKeyEvent(event, false);
5704                            break;
5705                        }
5706                    }
5707                }
5708                if (mUseTvRouting) {
5709                    // On TVs, defer special key handlings to
5710                    // {@link interceptKeyBeforeDispatching()}.
5711                    result |= ACTION_PASS_TO_USER;
5712                } else if ((result & ACTION_PASS_TO_USER) == 0) {
5713                    // If we aren't passing to the user and no one else
5714                    // handled it send it to the session manager to
5715                    // figure out.
5716                    MediaSessionLegacyHelper.getHelper(mContext)
5717                            .sendVolumeKeyEvent(event, true);
5718                }
5719                break;
5720            }
5721
5722            case KeyEvent.KEYCODE_ENDCALL: {
5723                result &= ~ACTION_PASS_TO_USER;
5724                if (down) {
5725                    TelecomManager telecomManager = getTelecommService();
5726                    boolean hungUp = false;
5727                    if (telecomManager != null) {
5728                        hungUp = telecomManager.endCall();
5729                    }
5730                    if (interactive && !hungUp) {
5731                        mEndCallKeyHandled = false;
5732                        mHandler.postDelayed(mEndCallLongPress,
5733                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
5734                    } else {
5735                        mEndCallKeyHandled = true;
5736                    }
5737                } else {
5738                    if (!mEndCallKeyHandled) {
5739                        mHandler.removeCallbacks(mEndCallLongPress);
5740                        if (!canceled) {
5741                            if ((mEndcallBehavior
5742                                    & Settings.System.END_BUTTON_BEHAVIOR_HOME) != 0) {
5743                                if (goHome()) {
5744                                    break;
5745                                }
5746                            }
5747                            if ((mEndcallBehavior
5748                                    & Settings.System.END_BUTTON_BEHAVIOR_SLEEP) != 0) {
5749                                mPowerManager.goToSleep(event.getEventTime(),
5750                                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
5751                                isWakeKey = false;
5752                            }
5753                        }
5754                    }
5755                }
5756                break;
5757            }
5758
5759            case KeyEvent.KEYCODE_POWER: {
5760                result &= ~ACTION_PASS_TO_USER;
5761                isWakeKey = false; // wake-up will be handled separately
5762                if (down) {
5763                    interceptPowerKeyDown(event, interactive);
5764                } else {
5765                    interceptPowerKeyUp(event, interactive, canceled);
5766                }
5767                break;
5768            }
5769
5770            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_DOWN:
5771                // fall through
5772            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_UP:
5773                // fall through
5774            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_LEFT:
5775                // fall through
5776            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_RIGHT: {
5777                result &= ~ACTION_PASS_TO_USER;
5778                interceptSystemNavigationKey(event);
5779                break;
5780            }
5781
5782            case KeyEvent.KEYCODE_SLEEP: {
5783                result &= ~ACTION_PASS_TO_USER;
5784                isWakeKey = false;
5785                if (!mPowerManager.isInteractive()) {
5786                    useHapticFeedback = false; // suppress feedback if already non-interactive
5787                }
5788                if (down) {
5789                    sleepPress(event.getEventTime());
5790                } else {
5791                    sleepRelease(event.getEventTime());
5792                }
5793                break;
5794            }
5795
5796            case KeyEvent.KEYCODE_SOFT_SLEEP: {
5797                result &= ~ACTION_PASS_TO_USER;
5798                isWakeKey = false;
5799                if (!down) {
5800                    mPowerManagerInternal.setUserInactiveOverrideFromWindowManager();
5801                }
5802                break;
5803            }
5804
5805            case KeyEvent.KEYCODE_WAKEUP: {
5806                result &= ~ACTION_PASS_TO_USER;
5807                isWakeKey = true;
5808                break;
5809            }
5810
5811            case KeyEvent.KEYCODE_MEDIA_PLAY:
5812            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5813            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5814            case KeyEvent.KEYCODE_HEADSETHOOK:
5815            case KeyEvent.KEYCODE_MUTE:
5816            case KeyEvent.KEYCODE_MEDIA_STOP:
5817            case KeyEvent.KEYCODE_MEDIA_NEXT:
5818            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5819            case KeyEvent.KEYCODE_MEDIA_REWIND:
5820            case KeyEvent.KEYCODE_MEDIA_RECORD:
5821            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5822            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: {
5823                if (MediaSessionLegacyHelper.getHelper(mContext).isGlobalPriorityActive()) {
5824                    // If the global session is active pass all media keys to it
5825                    // instead of the active window.
5826                    result &= ~ACTION_PASS_TO_USER;
5827                }
5828                if ((result & ACTION_PASS_TO_USER) == 0) {
5829                    // Only do this if we would otherwise not pass it to the user. In that
5830                    // case, the PhoneWindow class will do the same thing, except it will
5831                    // only do it if the showing app doesn't process the key on its own.
5832                    // Note that we need to make a copy of the key event here because the
5833                    // original key event will be recycled when we return.
5834                    mBroadcastWakeLock.acquire();
5835                    Message msg = mHandler.obtainMessage(MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK,
5836                            new KeyEvent(event));
5837                    msg.setAsynchronous(true);
5838                    msg.sendToTarget();
5839                }
5840                break;
5841            }
5842
5843            case KeyEvent.KEYCODE_CALL: {
5844                if (down) {
5845                    TelecomManager telecomManager = getTelecommService();
5846                    if (telecomManager != null) {
5847                        if (telecomManager.isRinging()) {
5848                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5849                                  + " CALL key-down while ringing: Answer the call!");
5850                            telecomManager.acceptRingingCall();
5851
5852                            // And *don't* pass this key thru to the current activity
5853                            // (which is presumably the InCallScreen.)
5854                            result &= ~ACTION_PASS_TO_USER;
5855                        }
5856                    }
5857                }
5858                break;
5859            }
5860            case KeyEvent.KEYCODE_VOICE_ASSIST: {
5861                // Only do this if we would otherwise not pass it to the user. In that case,
5862                // interceptKeyBeforeDispatching would apply a similar but different policy in
5863                // order to invoke voice assist actions. Note that we need to make a copy of the
5864                // key event here because the original key event will be recycled when we return.
5865                if ((result & ACTION_PASS_TO_USER) == 0 && !down) {
5866                    mBroadcastWakeLock.acquire();
5867                    Message msg = mHandler.obtainMessage(MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK,
5868                            keyguardActive ? 1 : 0, 0);
5869                    msg.setAsynchronous(true);
5870                    msg.sendToTarget();
5871                }
5872                break;
5873            }
5874            case KeyEvent.KEYCODE_WINDOW: {
5875                if (mShortPressWindowBehavior == SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE) {
5876                    if (mTvPictureInPictureVisible) {
5877                        // Consumes the key only if picture-in-picture is visible
5878                        // to show picture-in-picture control menu.
5879                        // This gives a chance to the foreground activity
5880                        // to customize PIP key behavior.
5881                        if (!down) {
5882                            showTvPictureInPictureMenu(event);
5883                        }
5884                        result &= ~ACTION_PASS_TO_USER;
5885                    }
5886                }
5887                break;
5888            }
5889        }
5890
5891        if (useHapticFeedback) {
5892            performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
5893        }
5894
5895        if (isWakeKey) {
5896            wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5897        }
5898
5899        return result;
5900    }
5901
5902    /**
5903     * Handle statusbar expansion events.
5904     * @param event
5905     */
5906    private void interceptSystemNavigationKey(KeyEvent event) {
5907        if (event.getAction() == KeyEvent.ACTION_UP && areSystemNavigationKeysEnabled()) {
5908            IStatusBarService sbar = getStatusBarService();
5909            if (sbar != null) {
5910                try {
5911                    sbar.handleSystemNavigationKey(event.getKeyCode());
5912                } catch (RemoteException e1) {
5913                    // oops, no statusbar. Ignore event.
5914                }
5915            }
5916        }
5917    }
5918
5919    /**
5920     * Returns true if the key can have global actions attached to it.
5921     * We reserve all power management keys for the system since they require
5922     * very careful handling.
5923     */
5924    private static boolean isValidGlobalKey(int keyCode) {
5925        switch (keyCode) {
5926            case KeyEvent.KEYCODE_POWER:
5927            case KeyEvent.KEYCODE_WAKEUP:
5928            case KeyEvent.KEYCODE_SLEEP:
5929                return false;
5930            default:
5931                return true;
5932        }
5933    }
5934
5935    /**
5936     * When the screen is off we ignore some keys that might otherwise typically
5937     * be considered wake keys.  We filter them out here.
5938     *
5939     * {@link KeyEvent#KEYCODE_POWER} is notably absent from this list because it
5940     * is always considered a wake key.
5941     */
5942    private boolean isWakeKeyWhenScreenOff(int keyCode) {
5943        switch (keyCode) {
5944            // ignore volume keys unless docked
5945            case KeyEvent.KEYCODE_VOLUME_UP:
5946            case KeyEvent.KEYCODE_VOLUME_DOWN:
5947            case KeyEvent.KEYCODE_VOLUME_MUTE:
5948                return mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;
5949
5950            // ignore media and camera keys
5951            case KeyEvent.KEYCODE_MUTE:
5952            case KeyEvent.KEYCODE_HEADSETHOOK:
5953            case KeyEvent.KEYCODE_MEDIA_PLAY:
5954            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5955            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5956            case KeyEvent.KEYCODE_MEDIA_STOP:
5957            case KeyEvent.KEYCODE_MEDIA_NEXT:
5958            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5959            case KeyEvent.KEYCODE_MEDIA_REWIND:
5960            case KeyEvent.KEYCODE_MEDIA_RECORD:
5961            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5962            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK:
5963            case KeyEvent.KEYCODE_CAMERA:
5964                return false;
5965        }
5966        return true;
5967    }
5968
5969
5970    /** {@inheritDoc} */
5971    @Override
5972    public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) {
5973        if ((policyFlags & FLAG_WAKE) != 0) {
5974            if (wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotion,
5975                    "android.policy:MOTION")) {
5976                return 0;
5977            }
5978        }
5979
5980        if (shouldDispatchInputWhenNonInteractive(null)) {
5981            return ACTION_PASS_TO_USER;
5982        }
5983
5984        // If we have not passed the action up and we are in theater mode without dreaming,
5985        // there will be no dream to intercept the touch and wake into ambient.  The device should
5986        // wake up in this case.
5987        if (isTheaterModeEnabled() && (policyFlags & FLAG_WAKE) != 0) {
5988            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotionWhenNotDreaming,
5989                    "android.policy:MOTION");
5990        }
5991
5992        return 0;
5993    }
5994
5995    private boolean shouldDispatchInputWhenNonInteractive(KeyEvent event) {
5996        final boolean displayOff = (mDisplay == null || mDisplay.getState() == Display.STATE_OFF);
5997
5998        if (displayOff && !mHasFeatureWatch) {
5999            return false;
6000        }
6001
6002        // Send events to keyguard while the screen is on and it's showing.
6003        if (isKeyguardShowingAndNotOccluded() && !displayOff) {
6004            return true;
6005        }
6006
6007        // Watches handle BACK specially
6008        if (mHasFeatureWatch
6009                && event != null
6010                && (event.getKeyCode() == KeyEvent.KEYCODE_BACK
6011                        || event.getKeyCode() == KeyEvent.KEYCODE_STEM_PRIMARY)) {
6012            return false;
6013        }
6014
6015        // Send events to a dozing dream even if the screen is off since the dream
6016        // is in control of the state of the screen.
6017        IDreamManager dreamManager = getDreamManager();
6018
6019        try {
6020            if (dreamManager != null && dreamManager.isDreaming()) {
6021                return true;
6022            }
6023        } catch (RemoteException e) {
6024            Slog.e(TAG, "RemoteException when checking if dreaming", e);
6025        }
6026
6027        // Otherwise, consume events since the user can't see what is being
6028        // interacted with.
6029        return false;
6030    }
6031
6032    private void dispatchDirectAudioEvent(KeyEvent event) {
6033        if (event.getAction() != KeyEvent.ACTION_DOWN) {
6034            return;
6035        }
6036        int keyCode = event.getKeyCode();
6037        int flags = AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_PLAY_SOUND
6038                | AudioManager.FLAG_FROM_KEY;
6039        String pkgName = mContext.getOpPackageName();
6040        switch (keyCode) {
6041            case KeyEvent.KEYCODE_VOLUME_UP:
6042                try {
6043                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_RAISE,
6044                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6045                } catch (RemoteException e) {
6046                    Log.e(TAG, "Error dispatching volume up in dispatchTvAudioEvent.", e);
6047                }
6048                break;
6049            case KeyEvent.KEYCODE_VOLUME_DOWN:
6050                try {
6051                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_LOWER,
6052                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6053                } catch (RemoteException e) {
6054                    Log.e(TAG, "Error dispatching volume down in dispatchTvAudioEvent.", e);
6055                }
6056                break;
6057            case KeyEvent.KEYCODE_VOLUME_MUTE:
6058                try {
6059                    if (event.getRepeatCount() == 0) {
6060                        getAudioService().adjustSuggestedStreamVolume(
6061                                AudioManager.ADJUST_TOGGLE_MUTE,
6062                                AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6063                    }
6064                } catch (RemoteException e) {
6065                    Log.e(TAG, "Error dispatching mute in dispatchTvAudioEvent.", e);
6066                }
6067                break;
6068        }
6069    }
6070
6071    void dispatchMediaKeyWithWakeLock(KeyEvent event) {
6072        if (DEBUG_INPUT) {
6073            Slog.d(TAG, "dispatchMediaKeyWithWakeLock: " + event);
6074        }
6075
6076        if (mHavePendingMediaKeyRepeatWithWakeLock) {
6077            if (DEBUG_INPUT) {
6078                Slog.d(TAG, "dispatchMediaKeyWithWakeLock: canceled repeat");
6079            }
6080
6081            mHandler.removeMessages(MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK);
6082            mHavePendingMediaKeyRepeatWithWakeLock = false;
6083            mBroadcastWakeLock.release(); // pending repeat was holding onto the wake lock
6084        }
6085
6086        dispatchMediaKeyWithWakeLockToAudioService(event);
6087
6088        if (event.getAction() == KeyEvent.ACTION_DOWN
6089                && event.getRepeatCount() == 0) {
6090            mHavePendingMediaKeyRepeatWithWakeLock = true;
6091
6092            Message msg = mHandler.obtainMessage(
6093                    MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK, event);
6094            msg.setAsynchronous(true);
6095            mHandler.sendMessageDelayed(msg, ViewConfiguration.getKeyRepeatTimeout());
6096        } else {
6097            mBroadcastWakeLock.release();
6098        }
6099    }
6100
6101    void dispatchMediaKeyRepeatWithWakeLock(KeyEvent event) {
6102        mHavePendingMediaKeyRepeatWithWakeLock = false;
6103
6104        KeyEvent repeatEvent = KeyEvent.changeTimeRepeat(event,
6105                SystemClock.uptimeMillis(), 1, event.getFlags() | KeyEvent.FLAG_LONG_PRESS);
6106        if (DEBUG_INPUT) {
6107            Slog.d(TAG, "dispatchMediaKeyRepeatWithWakeLock: " + repeatEvent);
6108        }
6109
6110        dispatchMediaKeyWithWakeLockToAudioService(repeatEvent);
6111        mBroadcastWakeLock.release();
6112    }
6113
6114    void dispatchMediaKeyWithWakeLockToAudioService(KeyEvent event) {
6115        if (ActivityManagerNative.isSystemReady()) {
6116            MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(event, true);
6117        }
6118    }
6119
6120    void launchVoiceAssistWithWakeLock(boolean keyguardActive) {
6121        IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
6122                ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
6123        if (dic != null) {
6124            try {
6125                dic.exitIdle("voice-search");
6126            } catch (RemoteException e) {
6127            }
6128        }
6129        Intent voiceIntent =
6130            new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
6131        voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, keyguardActive);
6132        startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
6133        mBroadcastWakeLock.release();
6134    }
6135
6136    BroadcastReceiver mDockReceiver = new BroadcastReceiver() {
6137        @Override
6138        public void onReceive(Context context, Intent intent) {
6139            if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
6140                mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
6141                        Intent.EXTRA_DOCK_STATE_UNDOCKED);
6142            } else {
6143                try {
6144                    IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
6145                            ServiceManager.getService(Context.UI_MODE_SERVICE));
6146                    mUiMode = uiModeService.getCurrentModeType();
6147                } catch (RemoteException e) {
6148                }
6149            }
6150            updateRotation(true);
6151            synchronized (mLock) {
6152                updateOrientationListenerLp();
6153            }
6154        }
6155    };
6156
6157    BroadcastReceiver mDreamReceiver = new BroadcastReceiver() {
6158        @Override
6159        public void onReceive(Context context, Intent intent) {
6160            if (Intent.ACTION_DREAMING_STARTED.equals(intent.getAction())) {
6161                if (mKeyguardDelegate != null) {
6162                    mKeyguardDelegate.onDreamingStarted();
6163                }
6164            } else if (Intent.ACTION_DREAMING_STOPPED.equals(intent.getAction())) {
6165                if (mKeyguardDelegate != null) {
6166                    mKeyguardDelegate.onDreamingStopped();
6167                }
6168            }
6169        }
6170    };
6171
6172    BroadcastReceiver mMultiuserReceiver = new BroadcastReceiver() {
6173        @Override
6174        public void onReceive(Context context, Intent intent) {
6175            if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) {
6176                // tickle the settings observer: this first ensures that we're
6177                // observing the relevant settings for the newly-active user,
6178                // and then updates our own bookkeeping based on the now-
6179                // current user.
6180                mSettingsObserver.onChange(false);
6181
6182                // force a re-application of focused window sysui visibility.
6183                // the window may never have been shown for this user
6184                // e.g. the keyguard when going through the new-user setup flow
6185                synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6186                    mLastSystemUiFlags = 0;
6187                    updateSystemUiVisibilityLw();
6188                }
6189            }
6190        }
6191    };
6192
6193    private final Runnable mHiddenNavPanic = new Runnable() {
6194        @Override
6195        public void run() {
6196            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6197                if (!isUserSetupComplete()) {
6198                    // Swipe-up for navigation bar is disabled during setup
6199                    return;
6200                }
6201                mPendingPanicGestureUptime = SystemClock.uptimeMillis();
6202                if (!isNavBarEmpty(mLastSystemUiFlags)) {
6203                    mNavigationBarController.showTransient();
6204                }
6205            }
6206        }
6207    };
6208
6209    private void requestTransientBars(WindowState swipeTarget) {
6210        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6211            if (!isUserSetupComplete()) {
6212                // Swipe-up for navigation bar is disabled during setup
6213                return;
6214            }
6215            boolean sb = mStatusBarController.checkShowTransientBarLw();
6216            boolean nb = mNavigationBarController.checkShowTransientBarLw()
6217                    && !isNavBarEmpty(mLastSystemUiFlags);
6218            if (sb || nb) {
6219                // Don't show status bar when swiping on already visible navigation bar
6220                if (!nb && swipeTarget == mNavigationBar) {
6221                    if (DEBUG) Slog.d(TAG, "Not showing transient bar, wrong swipe target");
6222                    return;
6223                }
6224                if (sb) mStatusBarController.showTransient();
6225                if (nb) mNavigationBarController.showTransient();
6226                mImmersiveModeConfirmation.confirmCurrentPrompt();
6227                updateSystemUiVisibilityLw();
6228            }
6229        }
6230    }
6231
6232    // Called on the PowerManager's Notifier thread.
6233    @Override
6234    public void startedGoingToSleep(int why) {
6235        if (DEBUG_WAKEUP) Slog.i(TAG, "Started going to sleep... (why=" + why + ")");
6236        mCameraGestureTriggeredDuringGoingToSleep = false;
6237        mGoingToSleep = true;
6238        if (mKeyguardDelegate != null) {
6239            mKeyguardDelegate.onStartedGoingToSleep(why);
6240        }
6241    }
6242
6243    // Called on the PowerManager's Notifier thread.
6244    @Override
6245    public void finishedGoingToSleep(int why) {
6246        EventLog.writeEvent(70000, 0);
6247        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished going to sleep... (why=" + why + ")");
6248        MetricsLogger.histogram(mContext, "screen_timeout", mLockScreenTimeout / 1000);
6249
6250        mGoingToSleep = false;
6251
6252        // We must get this work done here because the power manager will drop
6253        // the wake lock and let the system suspend once this function returns.
6254        synchronized (mLock) {
6255            mAwake = false;
6256            updateWakeGestureListenerLp();
6257            updateOrientationListenerLp();
6258            updateLockScreenTimeout();
6259        }
6260        if (mKeyguardDelegate != null) {
6261            mKeyguardDelegate.onFinishedGoingToSleep(why,
6262                    mCameraGestureTriggeredDuringGoingToSleep);
6263        }
6264        mCameraGestureTriggeredDuringGoingToSleep = false;
6265    }
6266
6267    // Called on the PowerManager's Notifier thread.
6268    @Override
6269    public void startedWakingUp() {
6270        EventLog.writeEvent(70000, 1);
6271        if (DEBUG_WAKEUP) Slog.i(TAG, "Started waking up...");
6272
6273        // Since goToSleep performs these functions synchronously, we must
6274        // do the same here.  We cannot post this work to a handler because
6275        // that might cause it to become reordered with respect to what
6276        // may happen in a future call to goToSleep.
6277        synchronized (mLock) {
6278            mAwake = true;
6279
6280            updateWakeGestureListenerLp();
6281            updateOrientationListenerLp();
6282            updateLockScreenTimeout();
6283        }
6284
6285        if (mKeyguardDelegate != null) {
6286            mKeyguardDelegate.onStartedWakingUp();
6287        }
6288    }
6289
6290    // Called on the PowerManager's Notifier thread.
6291    @Override
6292    public void finishedWakingUp() {
6293        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished waking up...");
6294    }
6295
6296    private void wakeUpFromPowerKey(long eventTime) {
6297        wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey, "android.policy:POWER");
6298    }
6299
6300    private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode, String reason) {
6301        final boolean theaterModeEnabled = isTheaterModeEnabled();
6302        if (!wakeInTheaterMode && theaterModeEnabled) {
6303            return false;
6304        }
6305
6306        if (theaterModeEnabled) {
6307            Settings.Global.putInt(mContext.getContentResolver(),
6308                    Settings.Global.THEATER_MODE_ON, 0);
6309        }
6310
6311        mPowerManager.wakeUp(wakeTime, reason);
6312        return true;
6313    }
6314
6315    private void finishKeyguardDrawn() {
6316        synchronized (mLock) {
6317            if (!mScreenOnEarly || mKeyguardDrawComplete) {
6318                return; // We are not awake yet or we have already informed of this event.
6319            }
6320
6321            mKeyguardDrawComplete = true;
6322            if (mKeyguardDelegate != null) {
6323                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
6324            }
6325            mWindowManagerDrawComplete = false;
6326        }
6327
6328        // ... eventually calls finishWindowsDrawn which will finalize our screen turn on
6329        // as well as enabling the orientation change logic/sensor.
6330        mWindowManagerInternal.waitForAllWindowsDrawn(mWindowManagerDrawCallback,
6331                WAITING_FOR_DRAWN_TIMEOUT);
6332    }
6333
6334    // Called on the DisplayManager's DisplayPowerController thread.
6335    @Override
6336    public void screenTurnedOff() {
6337        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turned off...");
6338
6339        updateScreenOffSleepToken(true);
6340        synchronized (mLock) {
6341            mScreenOnEarly = false;
6342            mScreenOnFully = false;
6343            mKeyguardDrawComplete = false;
6344            mWindowManagerDrawComplete = false;
6345            mScreenOnListener = null;
6346            updateOrientationListenerLp();
6347
6348            if (mKeyguardDelegate != null) {
6349                mKeyguardDelegate.onScreenTurnedOff();
6350            }
6351        }
6352    }
6353
6354    // Called on the DisplayManager's DisplayPowerController thread.
6355    @Override
6356    public void screenTurningOn(final ScreenOnListener screenOnListener) {
6357        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turning on...");
6358
6359        updateScreenOffSleepToken(false);
6360        synchronized (mLock) {
6361            mScreenOnEarly = true;
6362            mScreenOnFully = false;
6363            mKeyguardDrawComplete = false;
6364            mWindowManagerDrawComplete = false;
6365            mScreenOnListener = screenOnListener;
6366
6367            if (mKeyguardDelegate != null) {
6368                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
6369                mHandler.sendEmptyMessageDelayed(MSG_KEYGUARD_DRAWN_TIMEOUT, 1000);
6370                mKeyguardDelegate.onScreenTurningOn(mKeyguardDrawnCallback);
6371            } else {
6372                if (DEBUG_WAKEUP) Slog.d(TAG,
6373                        "null mKeyguardDelegate: setting mKeyguardDrawComplete.");
6374                finishKeyguardDrawn();
6375            }
6376        }
6377    }
6378
6379    // Called on the DisplayManager's DisplayPowerController thread.
6380    @Override
6381    public void screenTurnedOn() {
6382        synchronized (mLock) {
6383            if (mKeyguardDelegate != null) {
6384                mKeyguardDelegate.onScreenTurnedOn();
6385            }
6386        }
6387    }
6388
6389    private void finishWindowsDrawn() {
6390        synchronized (mLock) {
6391            if (!mScreenOnEarly || mWindowManagerDrawComplete) {
6392                return; // Screen is not turned on or we did already handle this case earlier.
6393            }
6394
6395            mWindowManagerDrawComplete = true;
6396        }
6397
6398        finishScreenTurningOn();
6399    }
6400
6401    private void finishScreenTurningOn() {
6402        synchronized (mLock) {
6403            // We have just finished drawing screen content. Since the orientation listener
6404            // gets only installed when all windows are drawn, we try to install it again.
6405            updateOrientationListenerLp();
6406        }
6407        final ScreenOnListener listener;
6408        final boolean enableScreen;
6409        synchronized (mLock) {
6410            if (DEBUG_WAKEUP) Slog.d(TAG,
6411                    "finishScreenTurningOn: mAwake=" + mAwake
6412                            + ", mScreenOnEarly=" + mScreenOnEarly
6413                            + ", mScreenOnFully=" + mScreenOnFully
6414                            + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
6415                            + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
6416
6417            if (mScreenOnFully || !mScreenOnEarly || !mWindowManagerDrawComplete
6418                    || (mAwake && !mKeyguardDrawComplete)) {
6419                return; // spurious or not ready yet
6420            }
6421
6422            if (DEBUG_WAKEUP) Slog.i(TAG, "Finished screen turning on...");
6423            listener = mScreenOnListener;
6424            mScreenOnListener = null;
6425            mScreenOnFully = true;
6426
6427            // Remember the first time we draw the keyguard so we know when we're done with
6428            // the main part of booting and can enable the screen and hide boot messages.
6429            if (!mKeyguardDrawnOnce && mAwake) {
6430                mKeyguardDrawnOnce = true;
6431                enableScreen = true;
6432                if (mBootMessageNeedsHiding) {
6433                    mBootMessageNeedsHiding = false;
6434                    hideBootMessages();
6435                }
6436            } else {
6437                enableScreen = false;
6438            }
6439        }
6440
6441        if (listener != null) {
6442            listener.onScreenOn();
6443        }
6444
6445        if (enableScreen) {
6446            try {
6447                mWindowManager.enableScreenIfNeeded();
6448            } catch (RemoteException unhandled) {
6449            }
6450        }
6451    }
6452
6453    private void handleHideBootMessage() {
6454        synchronized (mLock) {
6455            if (!mKeyguardDrawnOnce) {
6456                mBootMessageNeedsHiding = true;
6457                return; // keyguard hasn't drawn the first time yet, not done booting
6458            }
6459        }
6460
6461        if (mBootMsgDialog != null) {
6462            if (DEBUG_WAKEUP) Slog.d(TAG, "handleHideBootMessage: dismissing");
6463            mBootMsgDialog.dismiss();
6464            mBootMsgDialog = null;
6465        }
6466    }
6467
6468    @Override
6469    public boolean isScreenOn() {
6470        return mScreenOnFully;
6471    }
6472
6473    /** {@inheritDoc} */
6474    @Override
6475    public void enableKeyguard(boolean enabled) {
6476        if (mKeyguardDelegate != null) {
6477            mKeyguardDelegate.setKeyguardEnabled(enabled);
6478        }
6479    }
6480
6481    /** {@inheritDoc} */
6482    @Override
6483    public void exitKeyguardSecurely(OnKeyguardExitResult callback) {
6484        if (mKeyguardDelegate != null) {
6485            mKeyguardDelegate.verifyUnlock(callback);
6486        }
6487    }
6488
6489    private boolean isKeyguardShowingAndNotOccluded() {
6490        if (mKeyguardDelegate == null) return false;
6491        return mKeyguardDelegate.isShowing() && !mKeyguardOccluded;
6492    }
6493
6494    /** {@inheritDoc} */
6495    @Override
6496    public boolean isKeyguardLocked() {
6497        return keyguardOn();
6498    }
6499
6500    /** {@inheritDoc} */
6501    @Override
6502    public boolean isKeyguardSecure(int userId) {
6503        if (mKeyguardDelegate == null) return false;
6504        return mKeyguardDelegate.isSecure(userId);
6505    }
6506
6507    /** {@inheritDoc} */
6508    @Override
6509    public boolean isKeyguardShowingOrOccluded() {
6510        return mKeyguardDelegate == null ? false : mKeyguardDelegate.isShowing();
6511    }
6512
6513    /** {@inheritDoc} */
6514    @Override
6515    public boolean inKeyguardRestrictedKeyInputMode() {
6516        if (mKeyguardDelegate == null) return false;
6517        return mKeyguardDelegate.isInputRestricted();
6518    }
6519
6520    @Override
6521    public void dismissKeyguardLw() {
6522        if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
6523            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.dismissKeyguardLw");
6524            mHandler.post(new Runnable() {
6525                @Override
6526                public void run() {
6527                    // ask the keyguard to prompt the user to authenticate if necessary
6528                    mKeyguardDelegate.dismiss(false /* allowWhileOccluded */);
6529                }
6530            });
6531        }
6532    }
6533
6534    @Override
6535    public void notifyActivityDrawnForKeyguardLw() {
6536        if (mKeyguardDelegate != null) {
6537            mHandler.post(new Runnable() {
6538                @Override
6539                public void run() {
6540                    mKeyguardDelegate.onActivityDrawn();
6541                }
6542            });
6543        }
6544    }
6545
6546    @Override
6547    public boolean isKeyguardDrawnLw() {
6548        synchronized (mLock) {
6549            return mKeyguardDrawnOnce;
6550        }
6551    }
6552
6553    @Override
6554    public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
6555        if (mKeyguardDelegate != null) {
6556            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.startKeyguardExitAnimation");
6557            mKeyguardDelegate.startKeyguardExitAnimation(startTime, fadeoutDuration);
6558        }
6559    }
6560
6561    @Override
6562    public void getStableInsetsLw(int displayRotation, int displayWidth, int displayHeight,
6563            Rect outInsets) {
6564        outInsets.setEmpty();
6565
6566        // Navigation bar and status bar.
6567        getNonDecorInsetsLw(displayRotation, displayWidth, displayHeight, outInsets);
6568        if (mStatusBar != null) {
6569            outInsets.top = mStatusBarHeight;
6570        }
6571    }
6572
6573    @Override
6574    public void getNonDecorInsetsLw(int displayRotation, int displayWidth, int displayHeight,
6575            Rect outInsets) {
6576        outInsets.setEmpty();
6577
6578        // Only navigation bar
6579        if (mNavigationBar != null) {
6580            int position = navigationBarPosition(displayWidth, displayHeight, displayRotation);
6581            if (position == NAV_BAR_BOTTOM) {
6582                outInsets.bottom = getNavigationBarHeight(displayRotation, mUiMode);
6583            } else if (position == NAV_BAR_RIGHT) {
6584                outInsets.right = getNavigationBarWidth(displayRotation, mUiMode);
6585            } else if (position == NAV_BAR_LEFT) {
6586                outInsets.left = getNavigationBarWidth(displayRotation, mUiMode);
6587            }
6588        }
6589    }
6590
6591    @Override
6592    public boolean isNavBarForcedShownLw(WindowState windowState) {
6593        return mForceShowSystemBars;
6594    }
6595
6596    @Override
6597    public boolean isDockSideAllowed(int dockSide) {
6598
6599        // We do not allow all dock sides at which the navigation bar touches the docked stack.
6600        if (!mNavigationBarCanMove) {
6601            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT || dockSide == DOCKED_RIGHT;
6602        } else {
6603            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT;
6604        }
6605    }
6606
6607    void sendCloseSystemWindows() {
6608        PhoneWindow.sendCloseSystemWindows(mContext, null);
6609    }
6610
6611    void sendCloseSystemWindows(String reason) {
6612        PhoneWindow.sendCloseSystemWindows(mContext, reason);
6613    }
6614
6615    @Override
6616    public int rotationForOrientationLw(int orientation, int lastRotation) {
6617        if (false) {
6618            Slog.v(TAG, "rotationForOrientationLw(orient="
6619                        + orientation + ", last=" + lastRotation
6620                        + "); user=" + mUserRotation + " "
6621                        + ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED)
6622                            ? "USER_ROTATION_LOCKED" : "")
6623                        );
6624        }
6625
6626        if (mForceDefaultOrientation) {
6627            return Surface.ROTATION_0;
6628        }
6629
6630        synchronized (mLock) {
6631            int sensorRotation = mOrientationListener.getProposedRotation(); // may be -1
6632            if (sensorRotation < 0) {
6633                sensorRotation = lastRotation;
6634            }
6635
6636            final int preferredRotation;
6637            if (mLidState == LID_OPEN && mLidOpenRotation >= 0) {
6638                // Ignore sensor when lid switch is open and rotation is forced.
6639                preferredRotation = mLidOpenRotation;
6640            } else if (mDockMode == Intent.EXTRA_DOCK_STATE_CAR
6641                    && (mCarDockEnablesAccelerometer || mCarDockRotation >= 0)) {
6642                // Ignore sensor when in car dock unless explicitly enabled.
6643                // This case can override the behavior of NOSENSOR, and can also
6644                // enable 180 degree rotation while docked.
6645                preferredRotation = mCarDockEnablesAccelerometer
6646                        ? sensorRotation : mCarDockRotation;
6647            } else if ((mDockMode == Intent.EXTRA_DOCK_STATE_DESK
6648                    || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
6649                    || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK)
6650                    && (mDeskDockEnablesAccelerometer || mDeskDockRotation >= 0)) {
6651                // Ignore sensor when in desk dock unless explicitly enabled.
6652                // This case can override the behavior of NOSENSOR, and can also
6653                // enable 180 degree rotation while docked.
6654                preferredRotation = mDeskDockEnablesAccelerometer
6655                        ? sensorRotation : mDeskDockRotation;
6656            } else if (mHdmiPlugged && mDemoHdmiRotationLock) {
6657                // Ignore sensor when plugged into HDMI when demo HDMI rotation lock enabled.
6658                // Note that the dock orientation overrides the HDMI orientation.
6659                preferredRotation = mDemoHdmiRotation;
6660            } else if (mHdmiPlugged && mDockMode == Intent.EXTRA_DOCK_STATE_UNDOCKED
6661                    && mUndockedHdmiRotation >= 0) {
6662                // Ignore sensor when plugged into HDMI and an undocked orientation has
6663                // been specified in the configuration (only for legacy devices without
6664                // full multi-display support).
6665                // Note that the dock orientation overrides the HDMI orientation.
6666                preferredRotation = mUndockedHdmiRotation;
6667            } else if (mDemoRotationLock) {
6668                // Ignore sensor when demo rotation lock is enabled.
6669                // Note that the dock orientation and HDMI rotation lock override this.
6670                preferredRotation = mDemoRotation;
6671            } else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {
6672                // Application just wants to remain locked in the last rotation.
6673                preferredRotation = lastRotation;
6674            } else if (!mSupportAutoRotation) {
6675                // If we don't support auto-rotation then bail out here and ignore
6676                // the sensor and any rotation lock settings.
6677                preferredRotation = -1;
6678            } else if ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE
6679                            && (orientation == ActivityInfo.SCREEN_ORIENTATION_USER
6680                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
6681                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
6682                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT
6683                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER))
6684                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
6685                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
6686                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE
6687                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) {
6688                // Otherwise, use sensor only if requested by the application or enabled
6689                // by default for USER or UNSPECIFIED modes.  Does not apply to NOSENSOR.
6690                if (mAllowAllRotations < 0) {
6691                    // Can't read this during init() because the context doesn't
6692                    // have display metrics at that time so we cannot determine
6693                    // tablet vs. phone then.
6694                    mAllowAllRotations = mContext.getResources().getBoolean(
6695                            com.android.internal.R.bool.config_allowAllRotations) ? 1 : 0;
6696                }
6697                if (sensorRotation != Surface.ROTATION_180
6698                        || mAllowAllRotations == 1
6699                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
6700                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER) {
6701                    preferredRotation = sensorRotation;
6702                } else {
6703                    preferredRotation = lastRotation;
6704                }
6705            } else if (mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED
6706                    && orientation != ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
6707                // Apply rotation lock.  Does not apply to NOSENSOR.
6708                // The idea is that the user rotation expresses a weak preference for the direction
6709                // of gravity and as NOSENSOR is never affected by gravity, then neither should
6710                // NOSENSOR be affected by rotation lock (although it will be affected by docks).
6711                preferredRotation = mUserRotation;
6712            } else {
6713                // No overriding preference.
6714                // We will do exactly what the application asked us to do.
6715                preferredRotation = -1;
6716            }
6717
6718            switch (orientation) {
6719                case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6720                    // Return portrait unless overridden.
6721                    if (isAnyPortrait(preferredRotation)) {
6722                        return preferredRotation;
6723                    }
6724                    return mPortraitRotation;
6725
6726                case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6727                    // Return landscape unless overridden.
6728                    if (isLandscapeOrSeascape(preferredRotation)) {
6729                        return preferredRotation;
6730                    }
6731                    return mLandscapeRotation;
6732
6733                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6734                    // Return reverse portrait unless overridden.
6735                    if (isAnyPortrait(preferredRotation)) {
6736                        return preferredRotation;
6737                    }
6738                    return mUpsideDownRotation;
6739
6740                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6741                    // Return seascape unless overridden.
6742                    if (isLandscapeOrSeascape(preferredRotation)) {
6743                        return preferredRotation;
6744                    }
6745                    return mSeascapeRotation;
6746
6747                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6748                case ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE:
6749                    // Return either landscape rotation.
6750                    if (isLandscapeOrSeascape(preferredRotation)) {
6751                        return preferredRotation;
6752                    }
6753                    if (isLandscapeOrSeascape(lastRotation)) {
6754                        return lastRotation;
6755                    }
6756                    return mLandscapeRotation;
6757
6758                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6759                case ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT:
6760                    // Return either portrait rotation.
6761                    if (isAnyPortrait(preferredRotation)) {
6762                        return preferredRotation;
6763                    }
6764                    if (isAnyPortrait(lastRotation)) {
6765                        return lastRotation;
6766                    }
6767                    return mPortraitRotation;
6768
6769                default:
6770                    // For USER, UNSPECIFIED, NOSENSOR, SENSOR and FULL_SENSOR,
6771                    // just return the preferred orientation we already calculated.
6772                    if (preferredRotation >= 0) {
6773                        return preferredRotation;
6774                    }
6775                    return Surface.ROTATION_0;
6776            }
6777        }
6778    }
6779
6780    @Override
6781    public boolean rotationHasCompatibleMetricsLw(int orientation, int rotation) {
6782        switch (orientation) {
6783            case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6784            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6785            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6786                return isAnyPortrait(rotation);
6787
6788            case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6789            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6790            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6791                return isLandscapeOrSeascape(rotation);
6792
6793            default:
6794                return true;
6795        }
6796    }
6797
6798    @Override
6799    public void setRotationLw(int rotation) {
6800        mOrientationListener.setCurrentRotation(rotation);
6801    }
6802
6803    private boolean isLandscapeOrSeascape(int rotation) {
6804        return rotation == mLandscapeRotation || rotation == mSeascapeRotation;
6805    }
6806
6807    private boolean isAnyPortrait(int rotation) {
6808        return rotation == mPortraitRotation || rotation == mUpsideDownRotation;
6809    }
6810
6811    @Override
6812    public int getUserRotationMode() {
6813        return Settings.System.getIntForUser(mContext.getContentResolver(),
6814                Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
6815                        WindowManagerPolicy.USER_ROTATION_FREE :
6816                                WindowManagerPolicy.USER_ROTATION_LOCKED;
6817    }
6818
6819    // User rotation: to be used when all else fails in assigning an orientation to the device
6820    @Override
6821    public void setUserRotationMode(int mode, int rot) {
6822        ContentResolver res = mContext.getContentResolver();
6823
6824        // mUserRotationMode and mUserRotation will be assigned by the content observer
6825        if (mode == WindowManagerPolicy.USER_ROTATION_LOCKED) {
6826            Settings.System.putIntForUser(res,
6827                    Settings.System.USER_ROTATION,
6828                    rot,
6829                    UserHandle.USER_CURRENT);
6830            Settings.System.putIntForUser(res,
6831                    Settings.System.ACCELEROMETER_ROTATION,
6832                    0,
6833                    UserHandle.USER_CURRENT);
6834        } else {
6835            Settings.System.putIntForUser(res,
6836                    Settings.System.ACCELEROMETER_ROTATION,
6837                    1,
6838                    UserHandle.USER_CURRENT);
6839        }
6840    }
6841
6842    @Override
6843    public void setSafeMode(boolean safeMode) {
6844        mSafeMode = safeMode;
6845        performHapticFeedbackLw(null, safeMode
6846                ? HapticFeedbackConstants.SAFE_MODE_ENABLED
6847                : HapticFeedbackConstants.SAFE_MODE_DISABLED, true);
6848    }
6849
6850    static long[] getLongIntArray(Resources r, int resid) {
6851        int[] ar = r.getIntArray(resid);
6852        if (ar == null) {
6853            return null;
6854        }
6855        long[] out = new long[ar.length];
6856        for (int i=0; i<ar.length; i++) {
6857            out[i] = ar[i];
6858        }
6859        return out;
6860    }
6861
6862    /** {@inheritDoc} */
6863    @Override
6864    public void systemReady() {
6865        mKeyguardDelegate = new KeyguardServiceDelegate(mContext);
6866        mKeyguardDelegate.onSystemReady();
6867
6868        readCameraLensCoverState();
6869        updateUiMode();
6870        boolean bindKeyguardNow;
6871        synchronized (mLock) {
6872            updateOrientationListenerLp();
6873            mSystemReady = true;
6874            mHandler.post(new Runnable() {
6875                @Override
6876                public void run() {
6877                    updateSettings();
6878                }
6879            });
6880
6881            bindKeyguardNow = mDeferBindKeyguard;
6882            if (bindKeyguardNow) {
6883                // systemBooted ran but wasn't able to bind to the Keyguard, we'll do it now.
6884                mDeferBindKeyguard = false;
6885            }
6886        }
6887
6888        if (bindKeyguardNow) {
6889            mKeyguardDelegate.bindService(mContext);
6890            mKeyguardDelegate.onBootCompleted();
6891        }
6892        mSystemGestures.systemReady();
6893        mImmersiveModeConfirmation.systemReady();
6894    }
6895
6896    /** {@inheritDoc} */
6897    @Override
6898    public void systemBooted() {
6899        boolean bindKeyguardNow = false;
6900        synchronized (mLock) {
6901            // Time to bind Keyguard; take care to only bind it once, either here if ready or
6902            // in systemReady if not.
6903            if (mKeyguardDelegate != null) {
6904                bindKeyguardNow = true;
6905            } else {
6906                // Because mKeyguardDelegate is null, we know that the synchronized block in
6907                // systemReady didn't run yet and setting this will actually have an effect.
6908                mDeferBindKeyguard = true;
6909            }
6910        }
6911        if (bindKeyguardNow) {
6912            mKeyguardDelegate.bindService(mContext);
6913            mKeyguardDelegate.onBootCompleted();
6914        }
6915        synchronized (mLock) {
6916            mSystemBooted = true;
6917        }
6918        startedWakingUp();
6919        screenTurningOn(null);
6920        screenTurnedOn();
6921    }
6922
6923    ProgressDialog mBootMsgDialog = null;
6924
6925    /** {@inheritDoc} */
6926    @Override
6927    public void showBootMessage(final CharSequence msg, final boolean always) {
6928        mHandler.post(new Runnable() {
6929            @Override public void run() {
6930                if (mBootMsgDialog == null) {
6931                    int theme;
6932                    if (mContext.getPackageManager().hasSystemFeature(FEATURE_TELEVISION)) {
6933                        theme = com.android.internal.R.style.Theme_Leanback_Dialog_Alert;
6934                    } else {
6935                        theme = 0;
6936                    }
6937
6938                    mBootMsgDialog = new ProgressDialog(mContext, theme) {
6939                        // This dialog will consume all events coming in to
6940                        // it, to avoid it trying to do things too early in boot.
6941                        @Override public boolean dispatchKeyEvent(KeyEvent event) {
6942                            return true;
6943                        }
6944                        @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
6945                            return true;
6946                        }
6947                        @Override public boolean dispatchTouchEvent(MotionEvent ev) {
6948                            return true;
6949                        }
6950                        @Override public boolean dispatchTrackballEvent(MotionEvent ev) {
6951                            return true;
6952                        }
6953                        @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) {
6954                            return true;
6955                        }
6956                        @Override public boolean dispatchPopulateAccessibilityEvent(
6957                                AccessibilityEvent event) {
6958                            return true;
6959                        }
6960                    };
6961                    if (mContext.getPackageManager().isUpgrade()) {
6962                        mBootMsgDialog.setTitle(R.string.android_upgrading_title);
6963                    } else {
6964                        mBootMsgDialog.setTitle(R.string.android_start_title);
6965                    }
6966                    mBootMsgDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
6967                    mBootMsgDialog.setIndeterminate(true);
6968                    mBootMsgDialog.getWindow().setType(
6969                            WindowManager.LayoutParams.TYPE_BOOT_PROGRESS);
6970                    mBootMsgDialog.getWindow().addFlags(
6971                            WindowManager.LayoutParams.FLAG_DIM_BEHIND
6972                            | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
6973                    mBootMsgDialog.getWindow().setDimAmount(1);
6974                    WindowManager.LayoutParams lp = mBootMsgDialog.getWindow().getAttributes();
6975                    lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
6976                    mBootMsgDialog.getWindow().setAttributes(lp);
6977                    mBootMsgDialog.setCancelable(false);
6978                    mBootMsgDialog.show();
6979                }
6980                mBootMsgDialog.setMessage(msg);
6981            }
6982        });
6983    }
6984
6985    /** {@inheritDoc} */
6986    @Override
6987    public void hideBootMessages() {
6988        mHandler.sendEmptyMessage(MSG_HIDE_BOOT_MESSAGE);
6989    }
6990
6991    /** {@inheritDoc} */
6992    @Override
6993    public void userActivity() {
6994        // ***************************************
6995        // NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
6996        // ***************************************
6997        // THIS IS CALLED FROM DEEP IN THE POWER MANAGER
6998        // WITH ITS LOCKS HELD.
6999        //
7000        // This code must be VERY careful about the locks
7001        // it acquires.
7002        // In fact, the current code acquires way too many,
7003        // and probably has lurking deadlocks.
7004
7005        synchronized (mScreenLockTimeout) {
7006            if (mLockScreenTimerActive) {
7007                // reset the timer
7008                mHandler.removeCallbacks(mScreenLockTimeout);
7009                mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
7010            }
7011        }
7012    }
7013
7014    class ScreenLockTimeout implements Runnable {
7015        Bundle options;
7016
7017        @Override
7018        public void run() {
7019            synchronized (this) {
7020                if (localLOGV) Log.v(TAG, "mScreenLockTimeout activating keyguard");
7021                if (mKeyguardDelegate != null) {
7022                    mKeyguardDelegate.doKeyguardTimeout(options);
7023                }
7024                mLockScreenTimerActive = false;
7025                options = null;
7026            }
7027        }
7028
7029        public void setLockOptions(Bundle options) {
7030            this.options = options;
7031        }
7032    }
7033
7034    ScreenLockTimeout mScreenLockTimeout = new ScreenLockTimeout();
7035
7036    @Override
7037    public void lockNow(Bundle options) {
7038        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);
7039        mHandler.removeCallbacks(mScreenLockTimeout);
7040        if (options != null) {
7041            // In case multiple calls are made to lockNow, we don't wipe out the options
7042            // until the runnable actually executes.
7043            mScreenLockTimeout.setLockOptions(options);
7044        }
7045        mHandler.post(mScreenLockTimeout);
7046    }
7047
7048    private void updateLockScreenTimeout() {
7049        synchronized (mScreenLockTimeout) {
7050            boolean enable = (mAllowLockscreenWhenOn && mAwake &&
7051                    mKeyguardDelegate != null && mKeyguardDelegate.isSecure(mCurrentUserId));
7052            if (mLockScreenTimerActive != enable) {
7053                if (enable) {
7054                    if (localLOGV) Log.v(TAG, "setting lockscreen timer");
7055                    mHandler.removeCallbacks(mScreenLockTimeout); // remove any pending requests
7056                    mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
7057                } else {
7058                    if (localLOGV) Log.v(TAG, "clearing lockscreen timer");
7059                    mHandler.removeCallbacks(mScreenLockTimeout);
7060                }
7061                mLockScreenTimerActive = enable;
7062            }
7063        }
7064    }
7065
7066    private void updateDreamingSleepToken(boolean acquire) {
7067        if (acquire) {
7068            if (mDreamingSleepToken == null) {
7069                mDreamingSleepToken = mActivityManagerInternal.acquireSleepToken("Dream");
7070            }
7071        } else {
7072            if (mDreamingSleepToken != null) {
7073                mDreamingSleepToken.release();
7074                mDreamingSleepToken = null;
7075            }
7076        }
7077    }
7078
7079    private void updateScreenOffSleepToken(boolean acquire) {
7080        if (acquire) {
7081            if (mScreenOffSleepToken == null) {
7082                mScreenOffSleepToken = mActivityManagerInternal.acquireSleepToken("ScreenOff");
7083            }
7084        } else {
7085            if (mScreenOffSleepToken != null) {
7086                mScreenOffSleepToken.release();
7087                mScreenOffSleepToken = null;
7088            }
7089        }
7090    }
7091
7092    /** {@inheritDoc} */
7093    @Override
7094    public void enableScreenAfterBoot() {
7095        readLidState();
7096        applyLidSwitchState();
7097        updateRotation(true);
7098    }
7099
7100    private void applyLidSwitchState() {
7101        if (mLidState == LID_CLOSED && mLidControlsSleep) {
7102            mPowerManager.goToSleep(SystemClock.uptimeMillis(),
7103                    PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH,
7104                    PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
7105        } else if (mLidState == LID_CLOSED && mLidControlsScreenLock) {
7106            mWindowManagerFuncs.lockDeviceNow();
7107        }
7108
7109        synchronized (mLock) {
7110            updateWakeGestureListenerLp();
7111        }
7112    }
7113
7114    void updateUiMode() {
7115        if (mUiModeManager == null) {
7116            mUiModeManager = IUiModeManager.Stub.asInterface(
7117                    ServiceManager.getService(Context.UI_MODE_SERVICE));
7118        }
7119        try {
7120            mUiMode = mUiModeManager.getCurrentModeType();
7121        } catch (RemoteException e) {
7122        }
7123    }
7124
7125    void updateRotation(boolean alwaysSendConfiguration) {
7126        try {
7127            //set orientation on WindowManager
7128            mWindowManager.updateRotation(alwaysSendConfiguration, false);
7129        } catch (RemoteException e) {
7130            // Ignore
7131        }
7132    }
7133
7134    void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
7135        try {
7136            //set orientation on WindowManager
7137            mWindowManager.updateRotation(alwaysSendConfiguration, forceRelayout);
7138        } catch (RemoteException e) {
7139            // Ignore
7140        }
7141    }
7142
7143    /**
7144     * Return an Intent to launch the currently active dock app as home.  Returns
7145     * null if the standard home should be launched, which is the case if any of the following is
7146     * true:
7147     * <ul>
7148     *  <li>The device is not in either car mode or desk mode
7149     *  <li>The device is in car mode but mEnableCarDockHomeCapture is false
7150     *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
7151     *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
7152     *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
7153     * </ul>
7154     * @return A dock intent.
7155     */
7156    Intent createHomeDockIntent() {
7157        Intent intent = null;
7158
7159        // What home does is based on the mode, not the dock state.  That
7160        // is, when in car mode you should be taken to car home regardless
7161        // of whether we are actually in a car dock.
7162        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
7163            if (mEnableCarDockHomeCapture) {
7164                intent = mCarDockIntent;
7165            }
7166        } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
7167            if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
7168                intent = mDeskDockIntent;
7169            }
7170        } else if (mUiMode == Configuration.UI_MODE_TYPE_WATCH
7171                && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
7172                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK
7173                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK)) {
7174            // Always launch dock home from home when watch is docked, if it exists.
7175            intent = mDeskDockIntent;
7176        }
7177
7178        if (intent == null) {
7179            return null;
7180        }
7181
7182        ActivityInfo ai = null;
7183        ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(
7184                intent,
7185                PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_META_DATA,
7186                mCurrentUserId);
7187        if (info != null) {
7188            ai = info.activityInfo;
7189        }
7190        if (ai != null
7191                && ai.metaData != null
7192                && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
7193            intent = new Intent(intent);
7194            intent.setClassName(ai.packageName, ai.name);
7195            return intent;
7196        }
7197
7198        return null;
7199    }
7200
7201    void startDockOrHome(boolean fromHomeKey, boolean awakenFromDreams) {
7202        if (awakenFromDreams) {
7203            awakenDreams();
7204        }
7205
7206        Intent dock = createHomeDockIntent();
7207        if (dock != null) {
7208            try {
7209                if (fromHomeKey) {
7210                    dock.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
7211                }
7212                startActivityAsUser(dock, UserHandle.CURRENT);
7213                return;
7214            } catch (ActivityNotFoundException e) {
7215            }
7216        }
7217
7218        Intent intent;
7219
7220        if (fromHomeKey) {
7221            intent = new Intent(mHomeIntent);
7222            intent.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
7223        } else {
7224            intent = mHomeIntent;
7225        }
7226
7227        startActivityAsUser(intent, UserHandle.CURRENT);
7228    }
7229
7230    /**
7231     * goes to the home screen
7232     * @return whether it did anything
7233     */
7234    boolean goHome() {
7235        if (!isUserSetupComplete()) {
7236            Slog.i(TAG, "Not going home because user setup is in progress.");
7237            return false;
7238        }
7239        if (false) {
7240            // This code always brings home to the front.
7241            try {
7242                ActivityManagerNative.getDefault().stopAppSwitches();
7243            } catch (RemoteException e) {
7244            }
7245            sendCloseSystemWindows();
7246            startDockOrHome(false /*fromHomeKey*/, true /* awakenFromDreams */);
7247        } else {
7248            // This code brings home to the front or, if it is already
7249            // at the front, puts the device to sleep.
7250            try {
7251                if (SystemProperties.getInt("persist.sys.uts-test-mode", 0) == 1) {
7252                    /// Roll back EndcallBehavior as the cupcake design to pass P1 lab entry.
7253                    Log.d(TAG, "UTS-TEST-MODE");
7254                } else {
7255                    ActivityManagerNative.getDefault().stopAppSwitches();
7256                    sendCloseSystemWindows();
7257                    Intent dock = createHomeDockIntent();
7258                    if (dock != null) {
7259                        int result = ActivityManagerNative.getDefault()
7260                                .startActivityAsUser(null, null, dock,
7261                                        dock.resolveTypeIfNeeded(mContext.getContentResolver()),
7262                                        null, null, 0,
7263                                        ActivityManager.START_FLAG_ONLY_IF_NEEDED,
7264                                        null, null, UserHandle.USER_CURRENT);
7265                        if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
7266                            return false;
7267                        }
7268                    }
7269                }
7270                int result = ActivityManagerNative.getDefault()
7271                        .startActivityAsUser(null, null, mHomeIntent,
7272                                mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
7273                                null, null, 0,
7274                                ActivityManager.START_FLAG_ONLY_IF_NEEDED,
7275                                null, null, UserHandle.USER_CURRENT);
7276                if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
7277                    return false;
7278                }
7279            } catch (RemoteException ex) {
7280                // bummer, the activity manager, which is in this process, is dead
7281            }
7282        }
7283        return true;
7284    }
7285
7286    @Override
7287    public void setCurrentOrientationLw(int newOrientation) {
7288        synchronized (mLock) {
7289            if (newOrientation != mCurrentAppOrientation) {
7290                mCurrentAppOrientation = newOrientation;
7291                updateOrientationListenerLp();
7292            }
7293        }
7294    }
7295
7296    private void performAuditoryFeedbackForAccessibilityIfNeed() {
7297        if (!isGlobalAccessibilityGestureEnabled()) {
7298            return;
7299        }
7300        AudioManager audioManager = (AudioManager) mContext.getSystemService(
7301                Context.AUDIO_SERVICE);
7302        if (audioManager.isSilentMode()) {
7303            return;
7304        }
7305        Ringtone ringTone = RingtoneManager.getRingtone(mContext,
7306                Settings.System.DEFAULT_NOTIFICATION_URI);
7307        ringTone.setStreamType(AudioManager.STREAM_MUSIC);
7308        ringTone.play();
7309    }
7310
7311    private boolean isTheaterModeEnabled() {
7312        return Settings.Global.getInt(mContext.getContentResolver(),
7313                Settings.Global.THEATER_MODE_ON, 0) == 1;
7314    }
7315
7316    private boolean isGlobalAccessibilityGestureEnabled() {
7317        return Settings.Global.getInt(mContext.getContentResolver(),
7318                Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED, 0) == 1;
7319    }
7320
7321    private boolean areSystemNavigationKeysEnabled() {
7322        return Settings.Secure.getInt(mContext.getContentResolver(),
7323                Settings.Secure.SYSTEM_NAVIGATION_KEYS_ENABLED, 0) == 1;
7324    }
7325
7326    @Override
7327    public boolean performHapticFeedbackLw(WindowState win, int effectId, boolean always) {
7328        if (!mVibrator.hasVibrator()) {
7329            return false;
7330        }
7331        final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(),
7332                Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0;
7333        if (hapticsDisabled && !always) {
7334            return false;
7335        }
7336        long[] pattern = null;
7337        switch (effectId) {
7338            case HapticFeedbackConstants.LONG_PRESS:
7339                pattern = mLongPressVibePattern;
7340                break;
7341            case HapticFeedbackConstants.VIRTUAL_KEY:
7342                pattern = mVirtualKeyVibePattern;
7343                break;
7344            case HapticFeedbackConstants.KEYBOARD_TAP:
7345                pattern = mKeyboardTapVibePattern;
7346                break;
7347            case HapticFeedbackConstants.CLOCK_TICK:
7348                pattern = mClockTickVibePattern;
7349                break;
7350            case HapticFeedbackConstants.CALENDAR_DATE:
7351                pattern = mCalendarDateVibePattern;
7352                break;
7353            case HapticFeedbackConstants.SAFE_MODE_DISABLED:
7354                pattern = mSafeModeDisabledVibePattern;
7355                break;
7356            case HapticFeedbackConstants.SAFE_MODE_ENABLED:
7357                pattern = mSafeModeEnabledVibePattern;
7358                break;
7359            case HapticFeedbackConstants.CONTEXT_CLICK:
7360                pattern = mContextClickVibePattern;
7361                break;
7362            default:
7363                return false;
7364        }
7365        int owningUid;
7366        String owningPackage;
7367        if (win != null) {
7368            owningUid = win.getOwningUid();
7369            owningPackage = win.getOwningPackage();
7370        } else {
7371            owningUid = android.os.Process.myUid();
7372            owningPackage = mContext.getOpPackageName();
7373        }
7374        if (pattern.length == 1) {
7375            // One-shot vibration
7376            mVibrator.vibrate(owningUid, owningPackage, pattern[0], VIBRATION_ATTRIBUTES);
7377        } else {
7378            // Pattern vibration
7379            mVibrator.vibrate(owningUid, owningPackage, pattern, -1, VIBRATION_ATTRIBUTES);
7380        }
7381        return true;
7382    }
7383
7384    @Override
7385    public void keepScreenOnStartedLw() {
7386    }
7387
7388    @Override
7389    public void keepScreenOnStoppedLw() {
7390        if (isKeyguardShowingAndNotOccluded()) {
7391            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
7392        }
7393    }
7394
7395    private int updateSystemUiVisibilityLw() {
7396        // If there is no window focused, there will be nobody to handle the events
7397        // anyway, so just hang on in whatever state we're in until things settle down.
7398        final WindowState win = mFocusedWindow != null ? mFocusedWindow
7399                : mTopFullscreenOpaqueWindowState;
7400        if (win == null) {
7401            return 0;
7402        }
7403        if ((win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 && mHideLockScreen == true) {
7404            // We are updating at a point where the keyguard has gotten
7405            // focus, but we were last in a state where the top window is
7406            // hiding it.  This is probably because the keyguard as been
7407            // shown while the top window was displayed, so we want to ignore
7408            // it here because this is just a very transient change and it
7409            // will quickly lose focus once it correctly gets hidden.
7410            return 0;
7411        }
7412
7413        int tmpVisibility = PolicyControl.getSystemUiVisibility(win, null)
7414                & ~mResettingSystemUiFlags
7415                & ~mForceClearedSystemUiFlags;
7416        if (mForcingShowNavBar && win.getSurfaceLayer() < mForcingShowNavBarLayer) {
7417            tmpVisibility &= ~PolicyControl.adjustClearableFlags(win, View.SYSTEM_UI_CLEARABLE_FLAGS);
7418        }
7419
7420        final int fullscreenVisibility = updateLightStatusBarLw(0 /* vis */,
7421                mTopFullscreenOpaqueWindowState, mTopFullscreenOpaqueOrDimmingWindowState);
7422        final int dockedVisibility = updateLightStatusBarLw(0 /* vis */,
7423                mTopDockedOpaqueWindowState, mTopDockedOpaqueOrDimmingWindowState);
7424        mWindowManagerFuncs.getStackBounds(HOME_STACK_ID, mNonDockedStackBounds);
7425        mWindowManagerFuncs.getStackBounds(DOCKED_STACK_ID, mDockedStackBounds);
7426        final int visibility = updateSystemBarsLw(win, mLastSystemUiFlags, tmpVisibility);
7427        final int diff = visibility ^ mLastSystemUiFlags;
7428        final int fullscreenDiff = fullscreenVisibility ^ mLastFullscreenStackSysUiFlags;
7429        final int dockedDiff = dockedVisibility ^ mLastDockedStackSysUiFlags;
7430        final boolean needsMenu = win.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
7431        if (diff == 0 && fullscreenDiff == 0 && dockedDiff == 0 && mLastFocusNeedsMenu == needsMenu
7432                && mFocusedApp == win.getAppToken()
7433                && mLastNonDockedStackBounds.equals(mNonDockedStackBounds)
7434                && mLastDockedStackBounds.equals(mDockedStackBounds)) {
7435            return 0;
7436        }
7437        mLastSystemUiFlags = visibility;
7438        mLastFullscreenStackSysUiFlags = fullscreenVisibility;
7439        mLastDockedStackSysUiFlags = dockedVisibility;
7440        mLastFocusNeedsMenu = needsMenu;
7441        mFocusedApp = win.getAppToken();
7442        final Rect fullscreenStackBounds = new Rect(mNonDockedStackBounds);
7443        final Rect dockedStackBounds = new Rect(mDockedStackBounds);
7444        mHandler.post(new Runnable() {
7445                @Override
7446                public void run() {
7447                    StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
7448                    if (statusbar != null) {
7449                        statusbar.setSystemUiVisibility(visibility, fullscreenVisibility,
7450                                dockedVisibility, 0xffffffff, fullscreenStackBounds,
7451                                dockedStackBounds, win.toString());
7452                        statusbar.topAppWindowChanged(needsMenu);
7453                    }
7454                }
7455            });
7456        return diff;
7457    }
7458
7459    private int updateLightStatusBarLw(int vis, WindowState opaque, WindowState opaqueOrDimming) {
7460        WindowState statusColorWin = isStatusBarKeyguard() && !mHideLockScreen
7461                ? mStatusBar
7462                : opaqueOrDimming;
7463
7464        if (statusColorWin != null) {
7465            if (statusColorWin == opaque) {
7466                // If the top fullscreen-or-dimming window is also the top fullscreen, respect
7467                // its light flag.
7468                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7469                vis |= PolicyControl.getSystemUiVisibility(statusColorWin, null)
7470                        & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7471            } else if (statusColorWin != null && statusColorWin.isDimming()) {
7472                // Otherwise if it's dimming, clear the light flag.
7473                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7474            }
7475        }
7476        return vis;
7477    }
7478
7479    private boolean drawsSystemBarBackground(WindowState win) {
7480        return win == null || (win.getAttrs().flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0;
7481    }
7482
7483    private boolean forcesDrawStatusBarBackground(WindowState win) {
7484        return win == null || (win.getAttrs().privateFlags
7485                & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND) != 0;
7486    }
7487
7488    private int updateSystemBarsLw(WindowState win, int oldVis, int vis) {
7489        final boolean dockedStackVisible = mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID);
7490        final boolean freeformStackVisible =
7491                mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID);
7492        final boolean resizing = mWindowManagerInternal.isDockedDividerResizing();
7493
7494        // We need to force system bars when the docked stack is visible, when the freeform stack
7495        // is visible but also when we are resizing for the transitions when docked stack
7496        // visibility changes.
7497        mForceShowSystemBars = dockedStackVisible || freeformStackVisible || resizing;
7498        final boolean forceOpaqueStatusBar = mForceShowSystemBars && !mForceStatusBarFromKeyguard;
7499
7500        // apply translucent bar vis flags
7501        WindowState fullscreenTransWin = isStatusBarKeyguard() && !mHideLockScreen
7502                ? mStatusBar
7503                : mTopFullscreenOpaqueWindowState;
7504        vis = mStatusBarController.applyTranslucentFlagLw(fullscreenTransWin, vis, oldVis);
7505        vis = mNavigationBarController.applyTranslucentFlagLw(fullscreenTransWin, vis, oldVis);
7506        final int dockedVis = mStatusBarController.applyTranslucentFlagLw(
7507                mTopDockedOpaqueWindowState, 0, 0);
7508
7509        final boolean fullscreenDrawsStatusBarBackground =
7510                (drawsSystemBarBackground(mTopFullscreenOpaqueWindowState)
7511                        && (vis & View.STATUS_BAR_TRANSLUCENT) == 0)
7512                || forcesDrawStatusBarBackground(mTopFullscreenOpaqueWindowState);
7513        final boolean dockedDrawsStatusBarBackground =
7514                (drawsSystemBarBackground(mTopDockedOpaqueWindowState)
7515                        && (dockedVis & View.STATUS_BAR_TRANSLUCENT) == 0)
7516                || forcesDrawStatusBarBackground(mTopDockedOpaqueWindowState);
7517
7518        // prevent status bar interaction from clearing certain flags
7519        int type = win.getAttrs().type;
7520        boolean statusBarHasFocus = type == TYPE_STATUS_BAR;
7521        if (statusBarHasFocus && !isStatusBarKeyguard()) {
7522            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
7523                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
7524                    | View.SYSTEM_UI_FLAG_IMMERSIVE
7525                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
7526                    | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7527            if (mHideLockScreen) {
7528                flags |= View.STATUS_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSLUCENT;
7529            }
7530            vis = (vis & ~flags) | (oldVis & flags);
7531        }
7532
7533        if (fullscreenDrawsStatusBarBackground && dockedDrawsStatusBarBackground) {
7534            vis |= View.STATUS_BAR_TRANSPARENT;
7535            vis &= ~View.STATUS_BAR_TRANSLUCENT;
7536        } else if ((!areTranslucentBarsAllowed() && fullscreenTransWin != mStatusBar)
7537                || forceOpaqueStatusBar) {
7538            vis &= ~(View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT);
7539        }
7540
7541        vis = configureNavBarOpacity(vis, dockedStackVisible, freeformStackVisible, resizing);
7542
7543        // update status bar
7544        boolean immersiveSticky =
7545                (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
7546        final boolean hideStatusBarWM =
7547                mTopFullscreenOpaqueWindowState != null
7548                && (PolicyControl.getWindowFlags(mTopFullscreenOpaqueWindowState, null)
7549                        & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0;
7550        final boolean hideStatusBarSysui =
7551                (vis & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
7552        final boolean hideNavBarSysui =
7553                (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0;
7554
7555        final boolean transientStatusBarAllowed = mStatusBar != null
7556                && (statusBarHasFocus || (!mForceShowSystemBars
7557                        && (hideStatusBarWM || (hideStatusBarSysui && immersiveSticky))));
7558
7559        final boolean transientNavBarAllowed = mNavigationBar != null
7560                && !mForceShowSystemBars && hideNavBarSysui && immersiveSticky;
7561
7562        final long now = SystemClock.uptimeMillis();
7563        final boolean pendingPanic = mPendingPanicGestureUptime != 0
7564                && now - mPendingPanicGestureUptime <= PANIC_GESTURE_EXPIRATION;
7565        if (pendingPanic && hideNavBarSysui && !isStatusBarKeyguard() && mKeyguardDrawComplete) {
7566            // The user performed the panic gesture recently, we're about to hide the bars,
7567            // we're no longer on the Keyguard and the screen is ready. We can now request the bars.
7568            mPendingPanicGestureUptime = 0;
7569            mStatusBarController.showTransient();
7570            if (!isNavBarEmpty(vis)) {
7571                mNavigationBarController.showTransient();
7572            }
7573        }
7574
7575        final boolean denyTransientStatus = mStatusBarController.isTransientShowRequested()
7576                && !transientStatusBarAllowed && hideStatusBarSysui;
7577        final boolean denyTransientNav = mNavigationBarController.isTransientShowRequested()
7578                && !transientNavBarAllowed;
7579        if (denyTransientStatus || denyTransientNav || mForceShowSystemBars) {
7580            // clear the clearable flags instead
7581            clearClearableFlagsLw();
7582            vis &= ~View.SYSTEM_UI_CLEARABLE_FLAGS;
7583        }
7584
7585        final boolean immersive = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
7586        immersiveSticky = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
7587        final boolean navAllowedHidden = immersive || immersiveSticky;
7588
7589        if (hideNavBarSysui && !navAllowedHidden && windowTypeToLayerLw(win.getBaseType())
7590                > windowTypeToLayerLw(TYPE_INPUT_CONSUMER)) {
7591            // We can't hide the navbar from this window otherwise the input consumer would not get
7592            // the input events.
7593            vis = (vis & ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
7594        }
7595
7596        vis = mStatusBarController.updateVisibilityLw(transientStatusBarAllowed, oldVis, vis);
7597
7598        // update navigation bar
7599        boolean oldImmersiveMode = isImmersiveMode(oldVis);
7600        boolean newImmersiveMode = isImmersiveMode(vis);
7601        if (win != null && oldImmersiveMode != newImmersiveMode) {
7602            final String pkg = win.getOwningPackage();
7603            mImmersiveModeConfirmation.immersiveModeChangedLw(pkg, newImmersiveMode,
7604                    isUserSetupComplete(), isNavBarEmpty(win.getSystemUiVisibility()));
7605        }
7606
7607        vis = mNavigationBarController.updateVisibilityLw(transientNavBarAllowed, oldVis, vis);
7608
7609        return vis;
7610    }
7611
7612    /**
7613     * @return the current visibility flags with the nav-bar opacity related flags toggled based
7614     *         on the nav bar opacity rules chosen by {@link #mNavBarOpacityMode}.
7615     */
7616    private int configureNavBarOpacity(int visibility, boolean dockedStackVisible,
7617            boolean freeformStackVisible, boolean isDockedDividerResizing) {
7618        if (mNavBarOpacityMode == NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED) {
7619            if (dockedStackVisible || freeformStackVisible || isDockedDividerResizing) {
7620                visibility = setNavBarOpaqueFlag(visibility);
7621            }
7622        } else if (mNavBarOpacityMode == NAV_BAR_TRANSLUCENT_WHEN_FREEFORM_OPAQUE_OTHERWISE) {
7623            if (isDockedDividerResizing) {
7624                visibility = setNavBarOpaqueFlag(visibility);
7625            } else if (freeformStackVisible) {
7626                visibility = setNavBarTranslucentFlag(visibility);
7627            } else {
7628                visibility = setNavBarOpaqueFlag(visibility);
7629            }
7630        }
7631
7632        if (!areTranslucentBarsAllowed()) {
7633            visibility &= ~View.NAVIGATION_BAR_TRANSLUCENT;
7634        }
7635        return visibility;
7636    }
7637
7638    private int setNavBarOpaqueFlag(int visibility) {
7639        return visibility &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT);
7640    }
7641
7642    private int setNavBarTranslucentFlag(int visibility) {
7643        visibility &= ~View.NAVIGATION_BAR_TRANSPARENT;
7644        return visibility |= View.NAVIGATION_BAR_TRANSLUCENT;
7645    }
7646
7647    private void clearClearableFlagsLw() {
7648        int newVal = mResettingSystemUiFlags | View.SYSTEM_UI_CLEARABLE_FLAGS;
7649        if (newVal != mResettingSystemUiFlags) {
7650            mResettingSystemUiFlags = newVal;
7651            mWindowManagerFuncs.reevaluateStatusBarVisibility();
7652        }
7653    }
7654
7655    private boolean isImmersiveMode(int vis) {
7656        final int flags = View.SYSTEM_UI_FLAG_IMMERSIVE | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
7657        return mNavigationBar != null
7658                && (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
7659                && (vis & flags) != 0
7660                && canHideNavigationBar();
7661    }
7662
7663    private static boolean isNavBarEmpty(int systemUiFlags) {
7664        final int disableNavigationBar = (View.STATUS_BAR_DISABLE_HOME
7665                | View.STATUS_BAR_DISABLE_BACK
7666                | View.STATUS_BAR_DISABLE_RECENT);
7667
7668        return (systemUiFlags & disableNavigationBar) == disableNavigationBar;
7669    }
7670
7671    /**
7672     * @return whether the navigation or status bar can be made translucent
7673     *
7674     * This should return true unless touch exploration is not enabled or
7675     * R.boolean.config_enableTranslucentDecor is false.
7676     */
7677    private boolean areTranslucentBarsAllowed() {
7678        return mTranslucentDecorEnabled;
7679    }
7680
7681    // Use this instead of checking config_showNavigationBar so that it can be consistently
7682    // overridden by qemu.hw.mainkeys in the emulator.
7683    @Override
7684    public boolean hasNavigationBar() {
7685        return mHasNavigationBar;
7686    }
7687
7688    @Override
7689    public void setLastInputMethodWindowLw(WindowState ime, WindowState target) {
7690        mLastInputMethodWindow = ime;
7691        mLastInputMethodTargetWindow = target;
7692    }
7693
7694    @Override
7695    public int getInputMethodWindowVisibleHeightLw() {
7696        return mDockBottom - mCurBottom;
7697    }
7698
7699    @Override
7700    public void setCurrentUserLw(int newUserId) {
7701        mCurrentUserId = newUserId;
7702        if (mKeyguardDelegate != null) {
7703            mKeyguardDelegate.setCurrentUser(newUserId);
7704        }
7705        StatusBarManagerInternal statusBar = getStatusBarManagerInternal();
7706        if (statusBar != null) {
7707            statusBar.setCurrentUser(newUserId);
7708        }
7709        setLastInputMethodWindowLw(null, null);
7710    }
7711
7712    @Override
7713    public boolean canMagnifyWindow(int windowType) {
7714        switch (windowType) {
7715            case WindowManager.LayoutParams.TYPE_INPUT_METHOD:
7716            case WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG:
7717            case WindowManager.LayoutParams.TYPE_NAVIGATION_BAR:
7718            case WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY: {
7719                return false;
7720            }
7721        }
7722        return true;
7723    }
7724
7725    @Override
7726    public boolean isTopLevelWindow(int windowType) {
7727        if (windowType >= WindowManager.LayoutParams.FIRST_SUB_WINDOW
7728                && windowType <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
7729            return (windowType == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG);
7730        }
7731        return true;
7732    }
7733
7734    @Override
7735    public boolean shouldRotateSeamlessly(int oldRotation, int newRotation) {
7736        // For the upside down rotation we don't rotate seamlessly as the navigation
7737        // bar moves position.
7738        // Note most apps (using orientation:sensor or user as opposed to fullSensor)
7739        // will not enter the reverse portrait orientation, so actually the
7740        // orientation won't change at all.
7741        if (oldRotation == mUpsideDownRotation || newRotation == mUpsideDownRotation) {
7742            return false;
7743        }
7744        int delta = newRotation - oldRotation;
7745        if (delta < 0) delta += 4;
7746        // Likewise we don't rotate seamlessly for 180 degree rotations
7747        // in this case the surfaces never resize, and our logic to
7748        // revert the transformations on size change will fail. We could
7749        // fix this in the future with the "tagged" frames idea.
7750        if (delta == Surface.ROTATION_180) {
7751            return false;
7752        }
7753
7754        // We only enable seamless rotation if the top window has requested
7755        // it and is in the fullscreen opaque state. Seamless rotation
7756        // requires freezing various Surface states and won't work well
7757        // with animations, so we disable it in the animation case for now.
7758        if (mTopFullscreenOpaqueWindowState != null && mTopIsFullscreen &&
7759                !mTopFullscreenOpaqueWindowState.isAnimatingLw() &&
7760                mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation ==
7761                ROTATION_ANIMATION_JUMPCUT) {
7762            return true;
7763        }
7764        return false;
7765    }
7766
7767    @Override
7768    public void dump(String prefix, PrintWriter pw, String[] args) {
7769        pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
7770                pw.print(" mSystemReady="); pw.print(mSystemReady);
7771                pw.print(" mSystemBooted="); pw.println(mSystemBooted);
7772        pw.print(prefix); pw.print("mLidState="); pw.print(mLidState);
7773                pw.print(" mLidOpenRotation="); pw.print(mLidOpenRotation);
7774                pw.print(" mCameraLensCoverState="); pw.print(mCameraLensCoverState);
7775                pw.print(" mHdmiPlugged="); pw.println(mHdmiPlugged);
7776        if (mLastSystemUiFlags != 0 || mResettingSystemUiFlags != 0
7777                || mForceClearedSystemUiFlags != 0) {
7778            pw.print(prefix); pw.print("mLastSystemUiFlags=0x");
7779                    pw.print(Integer.toHexString(mLastSystemUiFlags));
7780                    pw.print(" mResettingSystemUiFlags=0x");
7781                    pw.print(Integer.toHexString(mResettingSystemUiFlags));
7782                    pw.print(" mForceClearedSystemUiFlags=0x");
7783                    pw.println(Integer.toHexString(mForceClearedSystemUiFlags));
7784        }
7785        if (mLastFocusNeedsMenu) {
7786            pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
7787                    pw.println(mLastFocusNeedsMenu);
7788        }
7789        pw.print(prefix); pw.print("mWakeGestureEnabledSetting=");
7790                pw.println(mWakeGestureEnabledSetting);
7791
7792        pw.print(prefix); pw.print("mSupportAutoRotation="); pw.println(mSupportAutoRotation);
7793        pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
7794                pw.print(" mDockMode="); pw.print(mDockMode);
7795                pw.print(" mEnableCarDockHomeCapture="); pw.print(mEnableCarDockHomeCapture);
7796                pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
7797                pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
7798        pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);
7799                pw.print(" mUserRotation="); pw.print(mUserRotation);
7800                pw.print(" mAllowAllRotations="); pw.println(mAllowAllRotations);
7801        pw.print(prefix); pw.print("mCurrentAppOrientation="); pw.println(mCurrentAppOrientation);
7802        pw.print(prefix); pw.print("mCarDockEnablesAccelerometer=");
7803                pw.print(mCarDockEnablesAccelerometer);
7804                pw.print(" mDeskDockEnablesAccelerometer=");
7805                pw.println(mDeskDockEnablesAccelerometer);
7806        pw.print(prefix); pw.print("mLidKeyboardAccessibility=");
7807                pw.print(mLidKeyboardAccessibility);
7808                pw.print(" mLidNavigationAccessibility="); pw.print(mLidNavigationAccessibility);
7809                pw.print(" mLidControlsScreenLock="); pw.println(mLidControlsScreenLock);
7810                pw.print(" mLidControlsSleep="); pw.println(mLidControlsSleep);
7811        pw.print(prefix);
7812                pw.print(" mLongPressOnBackBehavior="); pw.println(mLongPressOnBackBehavior);
7813        pw.print(prefix);
7814                pw.print("mShortPressOnPowerBehavior="); pw.print(mShortPressOnPowerBehavior);
7815                pw.print(" mLongPressOnPowerBehavior="); pw.println(mLongPressOnPowerBehavior);
7816        pw.print(prefix);
7817                pw.print("mDoublePressOnPowerBehavior="); pw.print(mDoublePressOnPowerBehavior);
7818                pw.print(" mTriplePressOnPowerBehavior="); pw.println(mTriplePressOnPowerBehavior);
7819        pw.print(prefix); pw.print("mHasSoftInput="); pw.println(mHasSoftInput);
7820        pw.print(prefix); pw.print("mAwake="); pw.println(mAwake);
7821        pw.print(prefix); pw.print("mScreenOnEarly="); pw.print(mScreenOnEarly);
7822                pw.print(" mScreenOnFully="); pw.println(mScreenOnFully);
7823        pw.print(prefix); pw.print("mKeyguardDrawComplete="); pw.print(mKeyguardDrawComplete);
7824                pw.print(" mWindowManagerDrawComplete="); pw.println(mWindowManagerDrawComplete);
7825        pw.print(prefix); pw.print("mOrientationSensorEnabled=");
7826                pw.println(mOrientationSensorEnabled);
7827        pw.print(prefix); pw.print("mOverscanScreen=("); pw.print(mOverscanScreenLeft);
7828                pw.print(","); pw.print(mOverscanScreenTop);
7829                pw.print(") "); pw.print(mOverscanScreenWidth);
7830                pw.print("x"); pw.println(mOverscanScreenHeight);
7831        if (mOverscanLeft != 0 || mOverscanTop != 0
7832                || mOverscanRight != 0 || mOverscanBottom != 0) {
7833            pw.print(prefix); pw.print("mOverscan left="); pw.print(mOverscanLeft);
7834                    pw.print(" top="); pw.print(mOverscanTop);
7835                    pw.print(" right="); pw.print(mOverscanRight);
7836                    pw.print(" bottom="); pw.println(mOverscanBottom);
7837        }
7838        pw.print(prefix); pw.print("mRestrictedOverscanScreen=(");
7839                pw.print(mRestrictedOverscanScreenLeft);
7840                pw.print(","); pw.print(mRestrictedOverscanScreenTop);
7841                pw.print(") "); pw.print(mRestrictedOverscanScreenWidth);
7842                pw.print("x"); pw.println(mRestrictedOverscanScreenHeight);
7843        pw.print(prefix); pw.print("mUnrestrictedScreen=("); pw.print(mUnrestrictedScreenLeft);
7844                pw.print(","); pw.print(mUnrestrictedScreenTop);
7845                pw.print(") "); pw.print(mUnrestrictedScreenWidth);
7846                pw.print("x"); pw.println(mUnrestrictedScreenHeight);
7847        pw.print(prefix); pw.print("mRestrictedScreen=("); pw.print(mRestrictedScreenLeft);
7848                pw.print(","); pw.print(mRestrictedScreenTop);
7849                pw.print(") "); pw.print(mRestrictedScreenWidth);
7850                pw.print("x"); pw.println(mRestrictedScreenHeight);
7851        pw.print(prefix); pw.print("mStableFullscreen=("); pw.print(mStableFullscreenLeft);
7852                pw.print(","); pw.print(mStableFullscreenTop);
7853                pw.print(")-("); pw.print(mStableFullscreenRight);
7854                pw.print(","); pw.print(mStableFullscreenBottom); pw.println(")");
7855        pw.print(prefix); pw.print("mStable=("); pw.print(mStableLeft);
7856                pw.print(","); pw.print(mStableTop);
7857                pw.print(")-("); pw.print(mStableRight);
7858                pw.print(","); pw.print(mStableBottom); pw.println(")");
7859        pw.print(prefix); pw.print("mSystem=("); pw.print(mSystemLeft);
7860                pw.print(","); pw.print(mSystemTop);
7861                pw.print(")-("); pw.print(mSystemRight);
7862                pw.print(","); pw.print(mSystemBottom); pw.println(")");
7863        pw.print(prefix); pw.print("mCur=("); pw.print(mCurLeft);
7864                pw.print(","); pw.print(mCurTop);
7865                pw.print(")-("); pw.print(mCurRight);
7866                pw.print(","); pw.print(mCurBottom); pw.println(")");
7867        pw.print(prefix); pw.print("mContent=("); pw.print(mContentLeft);
7868                pw.print(","); pw.print(mContentTop);
7869                pw.print(")-("); pw.print(mContentRight);
7870                pw.print(","); pw.print(mContentBottom); pw.println(")");
7871        pw.print(prefix); pw.print("mVoiceContent=("); pw.print(mVoiceContentLeft);
7872                pw.print(","); pw.print(mVoiceContentTop);
7873                pw.print(")-("); pw.print(mVoiceContentRight);
7874                pw.print(","); pw.print(mVoiceContentBottom); pw.println(")");
7875        pw.print(prefix); pw.print("mDock=("); pw.print(mDockLeft);
7876                pw.print(","); pw.print(mDockTop);
7877                pw.print(")-("); pw.print(mDockRight);
7878                pw.print(","); pw.print(mDockBottom); pw.println(")");
7879        pw.print(prefix); pw.print("mDockLayer="); pw.print(mDockLayer);
7880                pw.print(" mStatusBarLayer="); pw.println(mStatusBarLayer);
7881        pw.print(prefix); pw.print("mShowingLockscreen="); pw.print(mShowingLockscreen);
7882                pw.print(" mShowingDream="); pw.print(mShowingDream);
7883                pw.print(" mDreamingLockscreen="); pw.print(mDreamingLockscreen);
7884                pw.print(" mDreamingSleepToken="); pw.println(mDreamingSleepToken);
7885        if (mLastInputMethodWindow != null) {
7886            pw.print(prefix); pw.print("mLastInputMethodWindow=");
7887                    pw.println(mLastInputMethodWindow);
7888        }
7889        if (mLastInputMethodTargetWindow != null) {
7890            pw.print(prefix); pw.print("mLastInputMethodTargetWindow=");
7891                    pw.println(mLastInputMethodTargetWindow);
7892        }
7893        if (mStatusBar != null) {
7894            pw.print(prefix); pw.print("mStatusBar=");
7895                    pw.print(mStatusBar); pw.print(" isStatusBarKeyguard=");
7896                    pw.println(isStatusBarKeyguard());
7897        }
7898        if (mNavigationBar != null) {
7899            pw.print(prefix); pw.print("mNavigationBar=");
7900                    pw.println(mNavigationBar);
7901        }
7902        if (mFocusedWindow != null) {
7903            pw.print(prefix); pw.print("mFocusedWindow=");
7904                    pw.println(mFocusedWindow);
7905        }
7906        if (mFocusedApp != null) {
7907            pw.print(prefix); pw.print("mFocusedApp=");
7908                    pw.println(mFocusedApp);
7909        }
7910        if (mWinDismissingKeyguard != null) {
7911            pw.print(prefix); pw.print("mWinDismissingKeyguard=");
7912                    pw.println(mWinDismissingKeyguard);
7913        }
7914        if (mTopFullscreenOpaqueWindowState != null) {
7915            pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
7916                    pw.println(mTopFullscreenOpaqueWindowState);
7917        }
7918        if (mTopFullscreenOpaqueOrDimmingWindowState != null) {
7919            pw.print(prefix); pw.print("mTopFullscreenOpaqueOrDimmingWindowState=");
7920                    pw.println(mTopFullscreenOpaqueOrDimmingWindowState);
7921        }
7922        if (mForcingShowNavBar) {
7923            pw.print(prefix); pw.print("mForcingShowNavBar=");
7924                    pw.println(mForcingShowNavBar); pw.print( "mForcingShowNavBarLayer=");
7925                    pw.println(mForcingShowNavBarLayer);
7926        }
7927        pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
7928                pw.print(" mHideLockScreen="); pw.println(mHideLockScreen);
7929        pw.print(prefix); pw.print("mForceStatusBar="); pw.print(mForceStatusBar);
7930                pw.print(" mForceStatusBarFromKeyguard=");
7931                pw.println(mForceStatusBarFromKeyguard);
7932        pw.print(prefix); pw.print("mDismissKeyguard="); pw.print(mDismissKeyguard);
7933                pw.print(" mWinDismissingKeyguard="); pw.print(mWinDismissingKeyguard);
7934                pw.print(" mHomePressed="); pw.println(mHomePressed);
7935        pw.print(prefix); pw.print("mAllowLockscreenWhenOn="); pw.print(mAllowLockscreenWhenOn);
7936                pw.print(" mLockScreenTimeout="); pw.print(mLockScreenTimeout);
7937                pw.print(" mLockScreenTimerActive="); pw.println(mLockScreenTimerActive);
7938        pw.print(prefix); pw.print("mEndcallBehavior="); pw.print(mEndcallBehavior);
7939                pw.print(" mIncallPowerBehavior="); pw.print(mIncallPowerBehavior);
7940                pw.print(" mLongPressOnHomeBehavior="); pw.println(mLongPressOnHomeBehavior);
7941        pw.print(prefix); pw.print("mLandscapeRotation="); pw.print(mLandscapeRotation);
7942                pw.print(" mSeascapeRotation="); pw.println(mSeascapeRotation);
7943        pw.print(prefix); pw.print("mPortraitRotation="); pw.print(mPortraitRotation);
7944                pw.print(" mUpsideDownRotation="); pw.println(mUpsideDownRotation);
7945        pw.print(prefix); pw.print("mDemoHdmiRotation="); pw.print(mDemoHdmiRotation);
7946                pw.print(" mDemoHdmiRotationLock="); pw.println(mDemoHdmiRotationLock);
7947        pw.print(prefix); pw.print("mUndockedHdmiRotation="); pw.println(mUndockedHdmiRotation);
7948
7949        mGlobalKeyManager.dump(prefix, pw);
7950        mStatusBarController.dump(pw, prefix);
7951        mNavigationBarController.dump(pw, prefix);
7952        PolicyControl.dump(prefix, pw);
7953
7954        if (mWakeGestureListener != null) {
7955            mWakeGestureListener.dump(pw, prefix);
7956        }
7957        if (mOrientationListener != null) {
7958            mOrientationListener.dump(pw, prefix);
7959        }
7960        if (mBurnInProtectionHelper != null) {
7961            mBurnInProtectionHelper.dump(prefix, pw);
7962        }
7963        if (mKeyguardDelegate != null) {
7964            mKeyguardDelegate.dump(prefix, pw);
7965        }
7966    }
7967}
7968