PhoneWindowManager.java revision e85da2bc2eeabb425c4b1270dbd0e22095aac957 
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    // Controls navigation bar opacity depending on which workspace stacks are currently
220    // visible.
221    // Nav bar is always opaque when either the freeform stack or docked stack is visible.
222    static final int NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED = 0;
223    // Nav bar is always translucent when the freeform stack is visible, otherwise always opaque.
224    static final int NAV_BAR_TRANSLUCENT_WHEN_FREEFORM_OPAQUE_OTHERWISE = 1;
225
226    static final int APPLICATION_MEDIA_SUBLAYER = -2;
227    static final int APPLICATION_MEDIA_OVERLAY_SUBLAYER = -1;
228    static final int APPLICATION_PANEL_SUBLAYER = 1;
229    static final int APPLICATION_SUB_PANEL_SUBLAYER = 2;
230    static final int APPLICATION_ABOVE_SUB_PANEL_SUBLAYER = 3;
231
232    static public final String SYSTEM_DIALOG_REASON_KEY = "reason";
233    static public final String SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS = "globalactions";
234    static public final String SYSTEM_DIALOG_REASON_RECENT_APPS = "recentapps";
235    static public final String SYSTEM_DIALOG_REASON_HOME_KEY = "homekey";
236    static public final String SYSTEM_DIALOG_REASON_ASSIST = "assist";
237
238    /**
239     * These are the system UI flags that, when changing, can cause the layout
240     * of the screen to change.
241     */
242    static final int SYSTEM_UI_CHANGING_LAYOUT =
243              View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
244            | View.SYSTEM_UI_FLAG_FULLSCREEN
245            | View.STATUS_BAR_TRANSLUCENT
246            | View.NAVIGATION_BAR_TRANSLUCENT
247            | View.STATUS_BAR_TRANSPARENT
248            | View.NAVIGATION_BAR_TRANSPARENT;
249
250    private static final AudioAttributes VIBRATION_ATTRIBUTES = new AudioAttributes.Builder()
251            .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
252            .setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION)
253            .build();
254
255    // The panic gesture may become active only after the keyguard is dismissed and the immersive
256    // app shows again. If that doesn't happen for 30s we drop the gesture.
257    private static final long PANIC_GESTURE_EXPIRATION = 30000;
258
259    private static final String SYSUI_PACKAGE = "com.android.systemui";
260    private static final String SYSUI_SCREENSHOT_SERVICE =
261            "com.android.systemui.screenshot.TakeScreenshotService";
262    private static final String SYSUI_SCREENSHOT_ERROR_RECEIVER =
263            "com.android.systemui.screenshot.ScreenshotServiceErrorReceiver";
264
265    /**
266     * Keyguard stuff
267     */
268    private WindowState mKeyguardScrim;
269    private boolean mKeyguardHidden;
270    private boolean mKeyguardDrawnOnce;
271
272    /* Table of Application Launch keys.  Maps from key codes to intent categories.
273     *
274     * These are special keys that are used to launch particular kinds of applications,
275     * such as a web browser.  HID defines nearly a hundred of them in the Consumer (0x0C)
276     * usage page.  We don't support quite that many yet...
277     */
278    static SparseArray<String> sApplicationLaunchKeyCategories;
279    static {
280        sApplicationLaunchKeyCategories = new SparseArray<String>();
281        sApplicationLaunchKeyCategories.append(
282                KeyEvent.KEYCODE_EXPLORER, Intent.CATEGORY_APP_BROWSER);
283        sApplicationLaunchKeyCategories.append(
284                KeyEvent.KEYCODE_ENVELOPE, Intent.CATEGORY_APP_EMAIL);
285        sApplicationLaunchKeyCategories.append(
286                KeyEvent.KEYCODE_CONTACTS, Intent.CATEGORY_APP_CONTACTS);
287        sApplicationLaunchKeyCategories.append(
288                KeyEvent.KEYCODE_CALENDAR, Intent.CATEGORY_APP_CALENDAR);
289        sApplicationLaunchKeyCategories.append(
290                KeyEvent.KEYCODE_MUSIC, Intent.CATEGORY_APP_MUSIC);
291        sApplicationLaunchKeyCategories.append(
292                KeyEvent.KEYCODE_CALCULATOR, Intent.CATEGORY_APP_CALCULATOR);
293    }
294
295    /** Amount of time (in milliseconds) to wait for windows drawn before powering on. */
296    static final int WAITING_FOR_DRAWN_TIMEOUT = 1000;
297
298    /**
299     * Lock protecting internal state.  Must not call out into window
300     * manager with lock held.  (This lock will be acquired in places
301     * where the window manager is calling in with its own lock held.)
302     */
303    private final Object mLock = new Object();
304
305    Context mContext;
306    IWindowManager mWindowManager;
307    WindowManagerFuncs mWindowManagerFuncs;
308    WindowManagerInternal mWindowManagerInternal;
309    PowerManager mPowerManager;
310    ActivityManagerInternal mActivityManagerInternal;
311    InputManagerInternal mInputManagerInternal;
312    DreamManagerInternal mDreamManagerInternal;
313    PowerManagerInternal mPowerManagerInternal;
314    IStatusBarService mStatusBarService;
315    StatusBarManagerInternal mStatusBarManagerInternal;
316    boolean mPreloadedRecentApps;
317    final Object mServiceAquireLock = new Object();
318    Vibrator mVibrator; // Vibrator for giving feedback of orientation changes
319    SearchManager mSearchManager;
320    AccessibilityManager mAccessibilityManager;
321    BurnInProtectionHelper mBurnInProtectionHelper;
322    AppOpsManager mAppOpsManager;
323    private boolean mHasFeatureWatch;
324
325    // Vibrator pattern for haptic feedback of a long press.
326    long[] mLongPressVibePattern;
327
328    // Vibrator pattern for haptic feedback of virtual key press.
329    long[] mVirtualKeyVibePattern;
330
331    // Vibrator pattern for a short vibration.
332    long[] mKeyboardTapVibePattern;
333
334    // Vibrator pattern for a short vibration when tapping on an hour/minute tick of a Clock.
335    long[] mClockTickVibePattern;
336
337    // Vibrator pattern for a short vibration when tapping on a day/month/year date of a Calendar.
338    long[] mCalendarDateVibePattern;
339
340    // Vibrator pattern for haptic feedback during boot when safe mode is disabled.
341    long[] mSafeModeDisabledVibePattern;
342
343    // Vibrator pattern for haptic feedback during boot when safe mode is enabled.
344    long[] mSafeModeEnabledVibePattern;
345
346    // Vibrator pattern for haptic feedback of a context click.
347    long[] mContextClickVibePattern;
348
349    /** If true, hitting shift & menu will broadcast Intent.ACTION_BUG_REPORT */
350    boolean mEnableShiftMenuBugReports = false;
351
352    boolean mSafeMode;
353    WindowState mStatusBar = null;
354    int mStatusBarHeight;
355    WindowState mNavigationBar = null;
356    boolean mHasNavigationBar = false;
357    boolean mCanHideNavigationBar = false;
358    boolean mNavigationBarCanMove = false; // can the navigation bar ever move to the side?
359    boolean mNavigationBarOnBottom = true; // is the navigation bar on the bottom *right now*?
360    int[] mNavigationBarHeightForRotationDefault = new int[4];
361    int[] mNavigationBarWidthForRotationDefault = new int[4];
362    int[] mNavigationBarHeightForRotationInCarMode = new int[4];
363    int[] mNavigationBarWidthForRotationInCarMode = new int[4];
364
365    private LongSparseArray<IShortcutService> mShortcutKeyServices = new LongSparseArray<>();
366
367    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
368    // This is for car dock and this is updated from resource.
369    private boolean mEnableCarDockHomeCapture = true;
370
371    boolean mBootMessageNeedsHiding;
372    KeyguardServiceDelegate mKeyguardDelegate;
373    final Runnable mWindowManagerDrawCallback = new Runnable() {
374        @Override
375        public void run() {
376            if (DEBUG_WAKEUP) Slog.i(TAG, "All windows ready for display!");
377            mHandler.sendEmptyMessage(MSG_WINDOW_MANAGER_DRAWN_COMPLETE);
378        }
379    };
380    final DrawnListener mKeyguardDrawnCallback = new DrawnListener() {
381        @Override
382        public void onDrawn() {
383            if (DEBUG_WAKEUP) Slog.d(TAG, "mKeyguardDelegate.ShowListener.onDrawn.");
384            mHandler.sendEmptyMessage(MSG_KEYGUARD_DRAWN_COMPLETE);
385        }
386    };
387
388    GlobalActions mGlobalActions;
389    Handler mHandler;
390    WindowState mLastInputMethodWindow = null;
391    WindowState mLastInputMethodTargetWindow = null;
392
393    // FIXME This state is shared between the input reader and handler thread.
394    // Technically it's broken and buggy but it has been like this for many years
395    // and we have not yet seen any problems.  Someday we'll rewrite this logic
396    // so that only one thread is involved in handling input policy.  Unfortunately
397    // it's on a critical path for power management so we can't just post the work to the
398    // handler thread.  We'll need to resolve this someday by teaching the input dispatcher
399    // to hold wakelocks during dispatch and eliminating the critical path.
400    volatile boolean mPowerKeyHandled;
401    volatile boolean mBackKeyHandled;
402    volatile boolean mBeganFromNonInteractive;
403    volatile int mPowerKeyPressCounter;
404    volatile boolean mEndCallKeyHandled;
405    volatile boolean mCameraGestureTriggeredDuringGoingToSleep;
406    volatile boolean mGoingToSleep;
407    volatile boolean mRecentsVisible;
408    volatile boolean mTvPictureInPictureVisible;
409
410    int mRecentAppsHeldModifiers;
411    boolean mLanguageSwitchKeyPressed;
412
413    int mLidState = LID_ABSENT;
414    int mCameraLensCoverState = CAMERA_LENS_COVER_ABSENT;
415    boolean mHaveBuiltInKeyboard;
416
417    boolean mSystemReady;
418    boolean mSystemBooted;
419    private boolean mDeferBindKeyguard;
420    boolean mHdmiPlugged;
421    HdmiControl mHdmiControl;
422    IUiModeManager mUiModeManager;
423    int mUiMode;
424    int mDockMode = Intent.EXTRA_DOCK_STATE_UNDOCKED;
425    int mLidOpenRotation;
426    int mCarDockRotation;
427    int mDeskDockRotation;
428    int mUndockedHdmiRotation;
429    int mDemoHdmiRotation;
430    boolean mDemoHdmiRotationLock;
431    int mDemoRotation;
432    boolean mDemoRotationLock;
433
434    boolean mWakeGestureEnabledSetting;
435    MyWakeGestureListener mWakeGestureListener;
436
437    // Default display does not rotate, apps that require non-default orientation will have to
438    // have the orientation emulated.
439    private boolean mForceDefaultOrientation = false;
440
441    int mUserRotationMode = WindowManagerPolicy.USER_ROTATION_FREE;
442    int mUserRotation = Surface.ROTATION_0;
443    boolean mAccelerometerDefault;
444
445    boolean mSupportAutoRotation;
446    int mAllowAllRotations = -1;
447    boolean mCarDockEnablesAccelerometer;
448    boolean mDeskDockEnablesAccelerometer;
449    int mLidKeyboardAccessibility;
450    int mLidNavigationAccessibility;
451    boolean mLidControlsScreenLock;
452    boolean mLidControlsSleep;
453    int mShortPressOnPowerBehavior;
454    int mLongPressOnPowerBehavior;
455    int mDoublePressOnPowerBehavior;
456    int mTriplePressOnPowerBehavior;
457    int mLongPressOnBackBehavior;
458    int mShortPressOnSleepBehavior;
459    int mShortPressWindowBehavior;
460    boolean mAwake;
461    boolean mScreenOnEarly;
462    boolean mScreenOnFully;
463    ScreenOnListener mScreenOnListener;
464    boolean mKeyguardDrawComplete;
465    boolean mWindowManagerDrawComplete;
466    boolean mOrientationSensorEnabled = false;
467    int mCurrentAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
468    boolean mHasSoftInput = false;
469    boolean mTranslucentDecorEnabled = true;
470    boolean mUseTvRouting;
471
472    int mPointerLocationMode = 0; // guarded by mLock
473
474    // The last window we were told about in focusChanged.
475    WindowState mFocusedWindow;
476    IApplicationToken mFocusedApp;
477
478    PointerLocationView mPointerLocationView;
479
480    // The current size of the screen; really; extends into the overscan area of
481    // the screen and doesn't account for any system elements like the status bar.
482    int mOverscanScreenLeft, mOverscanScreenTop;
483    int mOverscanScreenWidth, mOverscanScreenHeight;
484    // The current visible size of the screen; really; (ir)regardless of whether the status
485    // bar can be hidden but not extending into the overscan area.
486    int mUnrestrictedScreenLeft, mUnrestrictedScreenTop;
487    int mUnrestrictedScreenWidth, mUnrestrictedScreenHeight;
488    // Like mOverscanScreen*, but allowed to move into the overscan region where appropriate.
489    int mRestrictedOverscanScreenLeft, mRestrictedOverscanScreenTop;
490    int mRestrictedOverscanScreenWidth, mRestrictedOverscanScreenHeight;
491    // The current size of the screen; these may be different than (0,0)-(dw,dh)
492    // if the status bar can't be hidden; in that case it effectively carves out
493    // that area of the display from all other windows.
494    int mRestrictedScreenLeft, mRestrictedScreenTop;
495    int mRestrictedScreenWidth, mRestrictedScreenHeight;
496    // During layout, the current screen borders accounting for any currently
497    // visible system UI elements.
498    int mSystemLeft, mSystemTop, mSystemRight, mSystemBottom;
499    // For applications requesting stable content insets, these are them.
500    int mStableLeft, mStableTop, mStableRight, mStableBottom;
501    // For applications requesting stable content insets but have also set the
502    // fullscreen window flag, these are the stable dimensions without the status bar.
503    int mStableFullscreenLeft, mStableFullscreenTop;
504    int mStableFullscreenRight, mStableFullscreenBottom;
505    // During layout, the current screen borders with all outer decoration
506    // (status bar, input method dock) accounted for.
507    int mCurLeft, mCurTop, mCurRight, mCurBottom;
508    // During layout, the frame in which content should be displayed
509    // to the user, accounting for all screen decoration except for any
510    // space they deem as available for other content.  This is usually
511    // the same as mCur*, but may be larger if the screen decor has supplied
512    // content insets.
513    int mContentLeft, mContentTop, mContentRight, mContentBottom;
514    // During layout, the frame in which voice content should be displayed
515    // to the user, accounting for all screen decoration except for any
516    // space they deem as available for other content.
517    int mVoiceContentLeft, mVoiceContentTop, mVoiceContentRight, mVoiceContentBottom;
518    // During layout, the current screen borders along which input method
519    // windows are placed.
520    int mDockLeft, mDockTop, mDockRight, mDockBottom;
521    // During layout, the layer at which the doc window is placed.
522    int mDockLayer;
523    // During layout, this is the layer of the status bar.
524    int mStatusBarLayer;
525    int mLastSystemUiFlags;
526    // Bits that we are in the process of clearing, so we want to prevent
527    // them from being set by applications until everything has been updated
528    // to have them clear.
529    int mResettingSystemUiFlags = 0;
530    // Bits that we are currently always keeping cleared.
531    int mForceClearedSystemUiFlags = 0;
532    int mLastFullscreenStackSysUiFlags;
533    int mLastDockedStackSysUiFlags;
534    final Rect mNonDockedStackBounds = new Rect();
535    final Rect mDockedStackBounds = new Rect();
536    final Rect mLastNonDockedStackBounds = new Rect();
537    final Rect mLastDockedStackBounds = new Rect();
538
539    // What we last reported to system UI about whether the compatibility
540    // menu needs to be displayed.
541    boolean mLastFocusNeedsMenu = false;
542    // If nonzero, a panic gesture was performed at that time in uptime millis and is still pending.
543    private long mPendingPanicGestureUptime;
544
545    InputConsumer mInputConsumer = null;
546
547    static final Rect mTmpParentFrame = new Rect();
548    static final Rect mTmpDisplayFrame = new Rect();
549    static final Rect mTmpOverscanFrame = new Rect();
550    static final Rect mTmpContentFrame = new Rect();
551    static final Rect mTmpVisibleFrame = new Rect();
552    static final Rect mTmpDecorFrame = new Rect();
553    static final Rect mTmpStableFrame = new Rect();
554    static final Rect mTmpNavigationFrame = new Rect();
555    static final Rect mTmpOutsetFrame = new Rect();
556    private static final Rect mTmpRect = new Rect();
557
558    WindowState mTopFullscreenOpaqueWindowState;
559    WindowState mTopFullscreenOpaqueOrDimmingWindowState;
560    WindowState mTopDockedOpaqueWindowState;
561    WindowState mTopDockedOpaqueOrDimmingWindowState;
562    HashSet<IApplicationToken> mAppsToBeHidden = new HashSet<IApplicationToken>();
563    HashSet<IApplicationToken> mAppsThatDismissKeyguard = new HashSet<IApplicationToken>();
564    boolean mTopIsFullscreen;
565    boolean mForceStatusBar;
566    boolean mForceStatusBarFromKeyguard;
567    private boolean mForceStatusBarTransparent;
568    int mNavBarOpacityMode = NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED;
569    boolean mHideLockScreen;
570    boolean mForcingShowNavBar;
571    int mForcingShowNavBarLayer;
572
573    // States of keyguard dismiss.
574    private static final int DISMISS_KEYGUARD_NONE = 0; // Keyguard not being dismissed.
575    private static final int DISMISS_KEYGUARD_START = 1; // Keyguard needs to be dismissed.
576    private static final int DISMISS_KEYGUARD_CONTINUE = 2; // Keyguard has been dismissed.
577    int mDismissKeyguard = DISMISS_KEYGUARD_NONE;
578
579    /** The window that is currently dismissing the keyguard. Dismissing the keyguard must only
580     * be done once per window. */
581    private WindowState mWinDismissingKeyguard;
582
583    /** When window is currently dismissing the keyguard, dismissing the keyguard must handle
584     * the keygaurd secure state change instantly case, e.g. the use case of inserting a PIN
585     * lock SIM card. This variable is used to record the previous keyguard secure state for
586     * monitoring secure state change on window dismissing keyguard. */
587    private boolean mSecureDismissingKeyguard;
588
589    /** The window that is currently showing "over" the keyguard. If there is an app window
590     * belonging to another app on top of this the keyguard shows. If there is a fullscreen
591     * app window under this, still dismiss the keyguard but don't show the app underneath. Show
592     * the wallpaper. */
593    private WindowState mWinShowWhenLocked;
594
595    boolean mShowingLockscreen;
596    boolean mShowingDream;
597    boolean mDreamingLockscreen;
598    boolean mDreamingSleepTokenNeeded;
599    SleepToken mDreamingSleepToken;
600    SleepToken mScreenOffSleepToken;
601    boolean mKeyguardSecure;
602    boolean mKeyguardSecureIncludingHidden;
603    volatile boolean mKeyguardOccluded;
604    boolean mHomePressed;
605    boolean mHomeConsumed;
606    boolean mHomeDoubleTapPending;
607    Intent mHomeIntent;
608    Intent mCarDockIntent;
609    Intent mDeskDockIntent;
610    boolean mSearchKeyShortcutPending;
611    boolean mConsumeSearchKeyUp;
612    boolean mAssistKeyLongPressed;
613    boolean mPendingMetaAction;
614    boolean mPendingCapsLockToggle;
615    int mMetaState;
616    int mInitialMetaState;
617    boolean mForceShowSystemBars;
618
619    // support for activating the lock screen while the screen is on
620    boolean mAllowLockscreenWhenOn;
621    int mLockScreenTimeout;
622    boolean mLockScreenTimerActive;
623
624    // Behavior of ENDCALL Button.  (See Settings.System.END_BUTTON_BEHAVIOR.)
625    int mEndcallBehavior;
626
627    // Behavior of POWER button while in-call and screen on.
628    // (See Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR.)
629    int mIncallPowerBehavior;
630
631    Display mDisplay;
632
633    private int mDisplayRotation;
634
635    int mLandscapeRotation = 0;  // default landscape rotation
636    int mSeascapeRotation = 0;   // "other" landscape rotation, 180 degrees from mLandscapeRotation
637    int mPortraitRotation = 0;   // default portrait rotation
638    int mUpsideDownRotation = 0; // "other" portrait rotation
639
640    int mOverscanLeft = 0;
641    int mOverscanTop = 0;
642    int mOverscanRight = 0;
643    int mOverscanBottom = 0;
644
645    // What we do when the user long presses on home
646    private int mLongPressOnHomeBehavior;
647
648    // What we do when the user double-taps on home
649    private int mDoubleTapOnHomeBehavior;
650
651    // Allowed theater mode wake actions
652    private boolean mAllowTheaterModeWakeFromKey;
653    private boolean mAllowTheaterModeWakeFromPowerKey;
654    private boolean mAllowTheaterModeWakeFromMotion;
655    private boolean mAllowTheaterModeWakeFromMotionWhenNotDreaming;
656    private boolean mAllowTheaterModeWakeFromCameraLens;
657    private boolean mAllowTheaterModeWakeFromLidSwitch;
658    private boolean mAllowTheaterModeWakeFromWakeGesture;
659
660    // Whether to support long press from power button in non-interactive mode
661    private boolean mSupportLongPressPowerWhenNonInteractive;
662
663    // Whether to go to sleep entering theater mode from power button
664    private boolean mGoToSleepOnButtonPressTheaterMode;
665
666    // Screenshot trigger states
667    // Time to volume and power must be pressed within this interval of each other.
668    private static final long SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS = 150;
669    // Increase the chord delay when taking a screenshot from the keyguard
670    private static final float KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER = 2.5f;
671    private boolean mScreenshotChordEnabled;
672    private boolean mScreenshotChordVolumeDownKeyTriggered;
673    private long mScreenshotChordVolumeDownKeyTime;
674    private boolean mScreenshotChordVolumeDownKeyConsumed;
675    private boolean mScreenshotChordVolumeUpKeyTriggered;
676    private boolean mScreenshotChordPowerKeyTriggered;
677    private long mScreenshotChordPowerKeyTime;
678
679    /* The number of steps between min and max brightness */
680    private static final int BRIGHTNESS_STEPS = 10;
681
682    SettingsObserver mSettingsObserver;
683    ShortcutManager mShortcutManager;
684    PowerManager.WakeLock mBroadcastWakeLock;
685    PowerManager.WakeLock mPowerKeyWakeLock;
686    boolean mHavePendingMediaKeyRepeatWithWakeLock;
687
688    private int mCurrentUserId;
689
690    // Maps global key codes to the components that will handle them.
691    private GlobalKeyManager mGlobalKeyManager;
692
693    // Fallback actions by key code.
694    private final SparseArray<KeyCharacterMap.FallbackAction> mFallbackActions =
695            new SparseArray<KeyCharacterMap.FallbackAction>();
696
697    private final LogDecelerateInterpolator mLogDecelerateInterpolator
698            = new LogDecelerateInterpolator(100, 0);
699
700    private final MutableBoolean mTmpBoolean = new MutableBoolean(false);
701
702    private static final int MSG_ENABLE_POINTER_LOCATION = 1;
703    private static final int MSG_DISABLE_POINTER_LOCATION = 2;
704    private static final int MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK = 3;
705    private static final int MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK = 4;
706    private static final int MSG_KEYGUARD_DRAWN_COMPLETE = 5;
707    private static final int MSG_KEYGUARD_DRAWN_TIMEOUT = 6;
708    private static final int MSG_WINDOW_MANAGER_DRAWN_COMPLETE = 7;
709    private static final int MSG_DISPATCH_SHOW_RECENTS = 9;
710    private static final int MSG_DISPATCH_SHOW_GLOBAL_ACTIONS = 10;
711    private static final int MSG_HIDE_BOOT_MESSAGE = 11;
712    private static final int MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK = 12;
713    private static final int MSG_POWER_DELAYED_PRESS = 13;
714    private static final int MSG_POWER_LONG_PRESS = 14;
715    private static final int MSG_UPDATE_DREAMING_SLEEP_TOKEN = 15;
716    private static final int MSG_REQUEST_TRANSIENT_BARS = 16;
717    private static final int MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU = 17;
718    private static final int MSG_BACK_LONG_PRESS = 18;
719    private static final int MSG_DISPOSE_INPUT_CONSUMER = 19;
720
721    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS = 0;
722    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION = 1;
723
724    private class PolicyHandler extends Handler {
725        @Override
726        public void handleMessage(Message msg) {
727            switch (msg.what) {
728                case MSG_ENABLE_POINTER_LOCATION:
729                    enablePointerLocation();
730                    break;
731                case MSG_DISABLE_POINTER_LOCATION:
732                    disablePointerLocation();
733                    break;
734                case MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK:
735                    dispatchMediaKeyWithWakeLock((KeyEvent)msg.obj);
736                    break;
737                case MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK:
738                    dispatchMediaKeyRepeatWithWakeLock((KeyEvent)msg.obj);
739                    break;
740                case MSG_DISPATCH_SHOW_RECENTS:
741                    showRecentApps(false, msg.arg1 != 0);
742                    break;
743                case MSG_DISPATCH_SHOW_GLOBAL_ACTIONS:
744                    showGlobalActionsInternal();
745                    break;
746                case MSG_KEYGUARD_DRAWN_COMPLETE:
747                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mKeyguardDrawComplete");
748                    finishKeyguardDrawn();
749                    break;
750                case MSG_KEYGUARD_DRAWN_TIMEOUT:
751                    Slog.w(TAG, "Keyguard drawn timeout. Setting mKeyguardDrawComplete");
752                    finishKeyguardDrawn();
753                    break;
754                case MSG_WINDOW_MANAGER_DRAWN_COMPLETE:
755                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mWindowManagerDrawComplete");
756                    finishWindowsDrawn();
757                    break;
758                case MSG_HIDE_BOOT_MESSAGE:
759                    handleHideBootMessage();
760                    break;
761                case MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK:
762                    launchVoiceAssistWithWakeLock(msg.arg1 != 0);
763                    break;
764                case MSG_POWER_DELAYED_PRESS:
765                    powerPress((Long)msg.obj, msg.arg1 != 0, msg.arg2);
766                    finishPowerKeyPress();
767                    break;
768                case MSG_POWER_LONG_PRESS:
769                    powerLongPress();
770                    break;
771                case MSG_UPDATE_DREAMING_SLEEP_TOKEN:
772                    updateDreamingSleepToken(msg.arg1 != 0);
773                    break;
774                case MSG_REQUEST_TRANSIENT_BARS:
775                    WindowState targetBar = (msg.arg1 == MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS) ?
776                            mStatusBar : mNavigationBar;
777                    if (targetBar != null) {
778                        requestTransientBars(targetBar);
779                    }
780                    break;
781                case MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU:
782                    showTvPictureInPictureMenuInternal();
783                    break;
784                case MSG_BACK_LONG_PRESS:
785                    backLongPress();
786                    break;
787                case MSG_DISPOSE_INPUT_CONSUMER:
788                    disposeInputConsumer((InputConsumer) msg.obj);
789                    break;
790            }
791        }
792    }
793
794    private UEventObserver mHDMIObserver = new UEventObserver() {
795        @Override
796        public void onUEvent(UEventObserver.UEvent event) {
797            setHdmiPlugged("1".equals(event.get("SWITCH_STATE")));
798        }
799    };
800
801    class SettingsObserver extends ContentObserver {
802        SettingsObserver(Handler handler) {
803            super(handler);
804        }
805
806        void observe() {
807            // Observe all users' changes
808            ContentResolver resolver = mContext.getContentResolver();
809            resolver.registerContentObserver(Settings.System.getUriFor(
810                    Settings.System.END_BUTTON_BEHAVIOR), false, this,
811                    UserHandle.USER_ALL);
812            resolver.registerContentObserver(Settings.Secure.getUriFor(
813                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR), false, this,
814                    UserHandle.USER_ALL);
815            resolver.registerContentObserver(Settings.Secure.getUriFor(
816                    Settings.Secure.WAKE_GESTURE_ENABLED), false, this,
817                    UserHandle.USER_ALL);
818            resolver.registerContentObserver(Settings.System.getUriFor(
819                    Settings.System.ACCELEROMETER_ROTATION), false, this,
820                    UserHandle.USER_ALL);
821            resolver.registerContentObserver(Settings.System.getUriFor(
822                    Settings.System.USER_ROTATION), false, this,
823                    UserHandle.USER_ALL);
824            resolver.registerContentObserver(Settings.System.getUriFor(
825                    Settings.System.SCREEN_OFF_TIMEOUT), false, this,
826                    UserHandle.USER_ALL);
827            resolver.registerContentObserver(Settings.System.getUriFor(
828                    Settings.System.POINTER_LOCATION), false, this,
829                    UserHandle.USER_ALL);
830            resolver.registerContentObserver(Settings.Secure.getUriFor(
831                    Settings.Secure.DEFAULT_INPUT_METHOD), false, this,
832                    UserHandle.USER_ALL);
833            resolver.registerContentObserver(Settings.Secure.getUriFor(
834                    Settings.Secure.IMMERSIVE_MODE_CONFIRMATIONS), false, this,
835                    UserHandle.USER_ALL);
836            resolver.registerContentObserver(Settings.Global.getUriFor(
837                    Settings.Global.POLICY_CONTROL), false, this,
838                    UserHandle.USER_ALL);
839            updateSettings();
840        }
841
842        @Override public void onChange(boolean selfChange) {
843            updateSettings();
844            updateRotation(false);
845        }
846    }
847
848    class MyWakeGestureListener extends WakeGestureListener {
849        MyWakeGestureListener(Context context, Handler handler) {
850            super(context, handler);
851        }
852
853        @Override
854        public void onWakeUp() {
855            synchronized (mLock) {
856                if (shouldEnableWakeGestureLp()) {
857                    performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
858                    wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromWakeGesture,
859                            "android.policy:GESTURE");
860                }
861            }
862        }
863    }
864
865    class MyOrientationListener extends WindowOrientationListener {
866        private final Runnable mUpdateRotationRunnable = new Runnable() {
867            @Override
868            public void run() {
869                // send interaction hint to improve redraw performance
870                mPowerManagerInternal.powerHint(PowerManagerInternal.POWER_HINT_INTERACTION, 0);
871                updateRotation(false);
872            }
873        };
874
875        MyOrientationListener(Context context, Handler handler) {
876            super(context, handler);
877        }
878
879        @Override
880        public void onProposedRotationChanged(int rotation) {
881            if (localLOGV) Slog.v(TAG, "onProposedRotationChanged, rotation=" + rotation);
882            mHandler.post(mUpdateRotationRunnable);
883        }
884    }
885    MyOrientationListener mOrientationListener;
886
887    private final StatusBarController mStatusBarController = new StatusBarController();
888
889    private final BarController mNavigationBarController = new BarController("NavigationBar",
890            View.NAVIGATION_BAR_TRANSIENT,
891            View.NAVIGATION_BAR_UNHIDE,
892            View.NAVIGATION_BAR_TRANSLUCENT,
893            StatusBarManager.WINDOW_NAVIGATION_BAR,
894            WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION,
895            View.NAVIGATION_BAR_TRANSPARENT);
896
897    private ImmersiveModeConfirmation mImmersiveModeConfirmation;
898
899    private SystemGesturesPointerEventListener mSystemGestures;
900
901    IStatusBarService getStatusBarService() {
902        synchronized (mServiceAquireLock) {
903            if (mStatusBarService == null) {
904                mStatusBarService = IStatusBarService.Stub.asInterface(
905                        ServiceManager.getService("statusbar"));
906            }
907            return mStatusBarService;
908        }
909    }
910
911    StatusBarManagerInternal getStatusBarManagerInternal() {
912        synchronized (mServiceAquireLock) {
913            if (mStatusBarManagerInternal == null) {
914                mStatusBarManagerInternal =
915                        LocalServices.getService(StatusBarManagerInternal.class);
916            }
917            return mStatusBarManagerInternal;
918        }
919    }
920
921    /*
922     * We always let the sensor be switched on by default except when
923     * the user has explicitly disabled sensor based rotation or when the
924     * screen is switched off.
925     */
926    boolean needSensorRunningLp() {
927        if (mSupportAutoRotation) {
928            if (mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
929                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
930                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT
931                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE) {
932                // If the application has explicitly requested to follow the
933                // orientation, then we need to turn the sensor on.
934                return true;
935            }
936        }
937        if ((mCarDockEnablesAccelerometer && mDockMode == Intent.EXTRA_DOCK_STATE_CAR) ||
938                (mDeskDockEnablesAccelerometer && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
939                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
940                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK))) {
941            // enable accelerometer if we are docked in a dock that enables accelerometer
942            // orientation management,
943            return true;
944        }
945        if (mUserRotationMode == USER_ROTATION_LOCKED) {
946            // If the setting for using the sensor by default is enabled, then
947            // we will always leave it on.  Note that the user could go to
948            // a window that forces an orientation that does not use the
949            // sensor and in theory we could turn it off... however, when next
950            // turning it on we won't have a good value for the current
951            // orientation for a little bit, which can cause orientation
952            // changes to lag, so we'd like to keep it always on.  (It will
953            // still be turned off when the screen is off.)
954            return false;
955        }
956        return mSupportAutoRotation;
957    }
958
959    /*
960     * Various use cases for invoking this function
961     * screen turning off, should always disable listeners if already enabled
962     * screen turned on and current app has sensor based orientation, enable listeners
963     * if not already enabled
964     * screen turned on and current app does not have sensor orientation, disable listeners if
965     * already enabled
966     * screen turning on and current app has sensor based orientation, enable listeners if needed
967     * screen turning on and current app has nosensor based orientation, do nothing
968     */
969    void updateOrientationListenerLp() {
970        if (!mOrientationListener.canDetectOrientation()) {
971            // If sensor is turned off or nonexistent for some reason
972            return;
973        }
974        // Could have been invoked due to screen turning on or off or
975        // change of the currently visible window's orientation.
976        if (localLOGV) Slog.v(TAG, "mScreenOnEarly=" + mScreenOnEarly
977                + ", mAwake=" + mAwake + ", mCurrentAppOrientation=" + mCurrentAppOrientation
978                + ", mOrientationSensorEnabled=" + mOrientationSensorEnabled
979                + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
980                + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
981        boolean disable = true;
982        // Note: We postpone the rotating of the screen until the keyguard as well as the
983        // window manager have reported a draw complete.
984        if (mScreenOnEarly && mAwake &&
985                mKeyguardDrawComplete && mWindowManagerDrawComplete) {
986            if (needSensorRunningLp()) {
987                disable = false;
988                //enable listener if not already enabled
989                if (!mOrientationSensorEnabled) {
990                    mOrientationListener.enable();
991                    if(localLOGV) Slog.v(TAG, "Enabling listeners");
992                    mOrientationSensorEnabled = true;
993                }
994            }
995        }
996        //check if sensors need to be disabled
997        if (disable && mOrientationSensorEnabled) {
998            mOrientationListener.disable();
999            if(localLOGV) Slog.v(TAG, "Disabling listeners");
1000            mOrientationSensorEnabled = false;
1001        }
1002    }
1003
1004    private void interceptPowerKeyDown(KeyEvent event, boolean interactive) {
1005        // Hold a wake lock until the power key is released.
1006        if (!mPowerKeyWakeLock.isHeld()) {
1007            mPowerKeyWakeLock.acquire();
1008        }
1009
1010        // Cancel multi-press detection timeout.
1011        if (mPowerKeyPressCounter != 0) {
1012            mHandler.removeMessages(MSG_POWER_DELAYED_PRESS);
1013        }
1014
1015        // Detect user pressing the power button in panic when an application has
1016        // taken over the whole screen.
1017        boolean panic = mImmersiveModeConfirmation.onPowerKeyDown(interactive,
1018                SystemClock.elapsedRealtime(), isImmersiveMode(mLastSystemUiFlags));
1019        if (panic) {
1020            mHandler.post(mHiddenNavPanic);
1021        }
1022
1023        // Latch power key state to detect screenshot chord.
1024        if (interactive && !mScreenshotChordPowerKeyTriggered
1025                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
1026            mScreenshotChordPowerKeyTriggered = true;
1027            mScreenshotChordPowerKeyTime = event.getDownTime();
1028            interceptScreenshotChord();
1029        }
1030
1031        // Stop ringing or end call if configured to do so when power is pressed.
1032        TelecomManager telecomManager = getTelecommService();
1033        boolean hungUp = false;
1034        if (telecomManager != null) {
1035            if (telecomManager.isRinging()) {
1036                // Pressing Power while there's a ringing incoming
1037                // call should silence the ringer.
1038                telecomManager.silenceRinger();
1039            } else if ((mIncallPowerBehavior
1040                    & Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP) != 0
1041                    && telecomManager.isInCall() && interactive) {
1042                // Otherwise, if "Power button ends call" is enabled,
1043                // the Power button will hang up any current active call.
1044                hungUp = telecomManager.endCall();
1045            }
1046        }
1047
1048        GestureLauncherService gestureService = LocalServices.getService(
1049                GestureLauncherService.class);
1050        boolean gesturedServiceIntercepted = false;
1051        if (gestureService != null) {
1052            gesturedServiceIntercepted = gestureService.interceptPowerKeyDown(event, interactive,
1053                    mTmpBoolean);
1054            if (mTmpBoolean.value && mGoingToSleep) {
1055                mCameraGestureTriggeredDuringGoingToSleep = true;
1056            }
1057        }
1058
1059        // If the power key has still not yet been handled, then detect short
1060        // press, long press, or multi press and decide what to do.
1061        mPowerKeyHandled = hungUp || mScreenshotChordVolumeDownKeyTriggered
1062                || mScreenshotChordVolumeUpKeyTriggered || gesturedServiceIntercepted;
1063        if (!mPowerKeyHandled) {
1064            if (interactive) {
1065                // When interactive, we're already awake.
1066                // Wait for a long press or for the button to be released to decide what to do.
1067                if (hasLongPressOnPowerBehavior()) {
1068                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
1069                    msg.setAsynchronous(true);
1070                    mHandler.sendMessageDelayed(msg,
1071                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1072                }
1073            } else {
1074                wakeUpFromPowerKey(event.getDownTime());
1075
1076                if (mSupportLongPressPowerWhenNonInteractive && hasLongPressOnPowerBehavior()) {
1077                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
1078                    msg.setAsynchronous(true);
1079                    mHandler.sendMessageDelayed(msg,
1080                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1081                    mBeganFromNonInteractive = true;
1082                } else {
1083                    final int maxCount = getMaxMultiPressPowerCount();
1084
1085                    if (maxCount <= 1) {
1086                        mPowerKeyHandled = true;
1087                    } else {
1088                        mBeganFromNonInteractive = true;
1089                    }
1090                }
1091            }
1092        }
1093    }
1094
1095    private void interceptPowerKeyUp(KeyEvent event, boolean interactive, boolean canceled) {
1096        final boolean handled = canceled || mPowerKeyHandled;
1097        mScreenshotChordPowerKeyTriggered = false;
1098        cancelPendingScreenshotChordAction();
1099        cancelPendingPowerKeyAction();
1100
1101        if (!handled) {
1102            // Figure out how to handle the key now that it has been released.
1103            mPowerKeyPressCounter += 1;
1104
1105            final int maxCount = getMaxMultiPressPowerCount();
1106            final long eventTime = event.getDownTime();
1107            if (mPowerKeyPressCounter < maxCount) {
1108                // This could be a multi-press.  Wait a little bit longer to confirm.
1109                // Continue holding the wake lock.
1110                Message msg = mHandler.obtainMessage(MSG_POWER_DELAYED_PRESS,
1111                        interactive ? 1 : 0, mPowerKeyPressCounter, eventTime);
1112                msg.setAsynchronous(true);
1113                mHandler.sendMessageDelayed(msg, ViewConfiguration.getDoubleTapTimeout());
1114                return;
1115            }
1116
1117            // No other actions.  Handle it immediately.
1118            powerPress(eventTime, interactive, mPowerKeyPressCounter);
1119        }
1120
1121        // Done.  Reset our state.
1122        finishPowerKeyPress();
1123    }
1124
1125    private void finishPowerKeyPress() {
1126        mBeganFromNonInteractive = false;
1127        mPowerKeyPressCounter = 0;
1128        if (mPowerKeyWakeLock.isHeld()) {
1129            mPowerKeyWakeLock.release();
1130        }
1131    }
1132
1133    private void cancelPendingPowerKeyAction() {
1134        if (!mPowerKeyHandled) {
1135            mPowerKeyHandled = true;
1136            mHandler.removeMessages(MSG_POWER_LONG_PRESS);
1137        }
1138    }
1139
1140    private void cancelPendingBackKeyAction() {
1141        if (!mBackKeyHandled) {
1142            mBackKeyHandled = true;
1143            mHandler.removeMessages(MSG_BACK_LONG_PRESS);
1144        }
1145    }
1146
1147    private void powerPress(long eventTime, boolean interactive, int count) {
1148        if (mScreenOnEarly && !mScreenOnFully) {
1149            Slog.i(TAG, "Suppressed redundant power key press while "
1150                    + "already in the process of turning the screen on.");
1151            return;
1152        }
1153
1154        if (count == 2) {
1155            powerMultiPressAction(eventTime, interactive, mDoublePressOnPowerBehavior);
1156        } else if (count == 3) {
1157            powerMultiPressAction(eventTime, interactive, mTriplePressOnPowerBehavior);
1158        } else if (interactive && !mBeganFromNonInteractive) {
1159            switch (mShortPressOnPowerBehavior) {
1160                case SHORT_PRESS_POWER_NOTHING:
1161                    break;
1162                case SHORT_PRESS_POWER_GO_TO_SLEEP:
1163                    mPowerManager.goToSleep(eventTime,
1164                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1165                    break;
1166                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP:
1167                    mPowerManager.goToSleep(eventTime,
1168                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1169                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1170                    break;
1171                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME:
1172                    mPowerManager.goToSleep(eventTime,
1173                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1174                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1175                    launchHomeFromHotKey();
1176                    break;
1177                case SHORT_PRESS_POWER_GO_HOME:
1178                    launchHomeFromHotKey(true /* awakenFromDreams */, false /*respectKeyguard*/);
1179                    break;
1180            }
1181        }
1182    }
1183
1184    private void powerMultiPressAction(long eventTime, boolean interactive, int behavior) {
1185        switch (behavior) {
1186            case MULTI_PRESS_POWER_NOTHING:
1187                break;
1188            case MULTI_PRESS_POWER_THEATER_MODE:
1189                if (!isUserSetupComplete()) {
1190                    Slog.i(TAG, "Ignoring toggling theater mode - device not setup.");
1191                    break;
1192                }
1193
1194                if (isTheaterModeEnabled()) {
1195                    Slog.i(TAG, "Toggling theater mode off.");
1196                    Settings.Global.putInt(mContext.getContentResolver(),
1197                            Settings.Global.THEATER_MODE_ON, 0);
1198                    if (!interactive) {
1199                        wakeUpFromPowerKey(eventTime);
1200                    }
1201                } else {
1202                    Slog.i(TAG, "Toggling theater mode on.");
1203                    Settings.Global.putInt(mContext.getContentResolver(),
1204                            Settings.Global.THEATER_MODE_ON, 1);
1205
1206                    if (mGoToSleepOnButtonPressTheaterMode && interactive) {
1207                        mPowerManager.goToSleep(eventTime,
1208                                PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1209                    }
1210                }
1211                break;
1212            case MULTI_PRESS_POWER_BRIGHTNESS_BOOST:
1213                Slog.i(TAG, "Starting brightness boost.");
1214                if (!interactive) {
1215                    wakeUpFromPowerKey(eventTime);
1216                }
1217                mPowerManager.boostScreenBrightness(eventTime);
1218                break;
1219        }
1220    }
1221
1222    private int getMaxMultiPressPowerCount() {
1223        if (mTriplePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1224            return 3;
1225        }
1226        if (mDoublePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1227            return 2;
1228        }
1229        return 1;
1230    }
1231
1232    private void powerLongPress() {
1233        final int behavior = getResolvedLongPressOnPowerBehavior();
1234        switch (behavior) {
1235        case LONG_PRESS_POWER_NOTHING:
1236            break;
1237        case LONG_PRESS_POWER_GLOBAL_ACTIONS:
1238            mPowerKeyHandled = true;
1239            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1240                performAuditoryFeedbackForAccessibilityIfNeed();
1241            }
1242            showGlobalActionsInternal();
1243            break;
1244        case LONG_PRESS_POWER_SHUT_OFF:
1245        case LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM:
1246            mPowerKeyHandled = true;
1247            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1248            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1249            mWindowManagerFuncs.shutdown(behavior == LONG_PRESS_POWER_SHUT_OFF);
1250            break;
1251        }
1252    }
1253
1254    private void backLongPress() {
1255        mBackKeyHandled = true;
1256
1257        switch (mLongPressOnBackBehavior) {
1258            case LONG_PRESS_BACK_NOTHING:
1259                break;
1260            case LONG_PRESS_BACK_GO_TO_VOICE_ASSIST:
1261                Intent intent = new Intent(Intent.ACTION_VOICE_ASSIST);
1262                startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
1263                break;
1264        }
1265    }
1266
1267    private void disposeInputConsumer(InputConsumer inputConsumer) {
1268        if (inputConsumer != null) {
1269            inputConsumer.dismiss();
1270        }
1271    }
1272
1273    private void sleepPress(long eventTime) {
1274        if (mShortPressOnSleepBehavior == SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME) {
1275            launchHomeFromHotKey(false /* awakenDreams */, true /*respectKeyguard*/);
1276        }
1277    }
1278
1279    private void sleepRelease(long eventTime) {
1280        switch (mShortPressOnSleepBehavior) {
1281            case SHORT_PRESS_SLEEP_GO_TO_SLEEP:
1282            case SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME:
1283                Slog.i(TAG, "sleepRelease() calling goToSleep(GO_TO_SLEEP_REASON_SLEEP_BUTTON)");
1284                mPowerManager.goToSleep(eventTime,
1285                       PowerManager.GO_TO_SLEEP_REASON_SLEEP_BUTTON, 0);
1286                break;
1287        }
1288    }
1289
1290    private int getResolvedLongPressOnPowerBehavior() {
1291        if (FactoryTest.isLongPressOnPowerOffEnabled()) {
1292            return LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;
1293        }
1294        return mLongPressOnPowerBehavior;
1295    }
1296
1297    private boolean hasLongPressOnPowerBehavior() {
1298        return getResolvedLongPressOnPowerBehavior() != LONG_PRESS_POWER_NOTHING;
1299    }
1300
1301    private boolean hasLongPressOnBackBehavior() {
1302        return mLongPressOnBackBehavior != LONG_PRESS_BACK_NOTHING;
1303    }
1304
1305    private void interceptScreenshotChord() {
1306        if (mScreenshotChordEnabled
1307                && mScreenshotChordVolumeDownKeyTriggered && mScreenshotChordPowerKeyTriggered
1308                && !mScreenshotChordVolumeUpKeyTriggered) {
1309            final long now = SystemClock.uptimeMillis();
1310            if (now <= mScreenshotChordVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS
1311                    && now <= mScreenshotChordPowerKeyTime
1312                            + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS) {
1313                mScreenshotChordVolumeDownKeyConsumed = true;
1314                cancelPendingPowerKeyAction();
1315                mScreenshotRunnable.setScreenshotType(TAKE_SCREENSHOT_FULLSCREEN);
1316                mHandler.postDelayed(mScreenshotRunnable, getScreenshotChordLongPressDelay());
1317            }
1318        }
1319    }
1320
1321    private long getScreenshotChordLongPressDelay() {
1322        if (mKeyguardDelegate.isShowing()) {
1323            // Double the time it takes to take a screenshot from the keyguard
1324            return (long) (KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER *
1325                    ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1326        }
1327        return ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout();
1328    }
1329
1330    private void cancelPendingScreenshotChordAction() {
1331        mHandler.removeCallbacks(mScreenshotRunnable);
1332    }
1333
1334    private final Runnable mEndCallLongPress = new Runnable() {
1335        @Override
1336        public void run() {
1337            mEndCallKeyHandled = true;
1338            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1339                performAuditoryFeedbackForAccessibilityIfNeed();
1340            }
1341            showGlobalActionsInternal();
1342        }
1343    };
1344
1345    private class ScreenshotRunnable implements Runnable {
1346        private int mScreenshotType = TAKE_SCREENSHOT_FULLSCREEN;
1347
1348        public void setScreenshotType(int screenshotType) {
1349            mScreenshotType = screenshotType;
1350        }
1351
1352        @Override
1353        public void run() {
1354            takeScreenshot(mScreenshotType);
1355        }
1356    }
1357
1358    private final ScreenshotRunnable mScreenshotRunnable = new ScreenshotRunnable();
1359
1360    @Override
1361    public void showGlobalActions() {
1362        mHandler.removeMessages(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1363        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1364    }
1365
1366    void showGlobalActionsInternal() {
1367        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1368        if (mGlobalActions == null) {
1369            mGlobalActions = new GlobalActions(mContext, mWindowManagerFuncs);
1370        }
1371        final boolean keyguardShowing = isKeyguardShowingAndNotOccluded();
1372        mGlobalActions.showDialog(keyguardShowing, isDeviceProvisioned());
1373        if (keyguardShowing) {
1374            // since it took two seconds of long press to bring this up,
1375            // poke the wake lock so they have some time to see the dialog.
1376            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
1377        }
1378    }
1379
1380    boolean isDeviceProvisioned() {
1381        return Settings.Global.getInt(
1382                mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0;
1383    }
1384
1385    boolean isUserSetupComplete() {
1386        return Settings.Secure.getIntForUser(mContext.getContentResolver(),
1387                Settings.Secure.USER_SETUP_COMPLETE, 0, UserHandle.USER_CURRENT) != 0;
1388    }
1389
1390    private void handleShortPressOnHome() {
1391        // Turn on the connected TV and switch HDMI input if we're a HDMI playback device.
1392        getHdmiControl().turnOnTv();
1393
1394        // If there's a dream running then use home to escape the dream
1395        // but don't actually go home.
1396        if (mDreamManagerInternal != null && mDreamManagerInternal.isDreaming()) {
1397            mDreamManagerInternal.stopDream(false /*immediate*/);
1398            return;
1399        }
1400
1401        // Go home!
1402        launchHomeFromHotKey();
1403    }
1404
1405    /**
1406     * Creates an accessor to HDMI control service that performs the operation of
1407     * turning on TV (optional) and switching input to us. If HDMI control service
1408     * is not available or we're not a HDMI playback device, the operation is no-op.
1409     */
1410    private HdmiControl getHdmiControl() {
1411        if (null == mHdmiControl) {
1412            HdmiControlManager manager = (HdmiControlManager) mContext.getSystemService(
1413                        Context.HDMI_CONTROL_SERVICE);
1414            HdmiPlaybackClient client = null;
1415            if (manager != null) {
1416                client = manager.getPlaybackClient();
1417            }
1418            mHdmiControl = new HdmiControl(client);
1419        }
1420        return mHdmiControl;
1421    }
1422
1423    private static class HdmiControl {
1424        private final HdmiPlaybackClient mClient;
1425
1426        private HdmiControl(HdmiPlaybackClient client) {
1427            mClient = client;
1428        }
1429
1430        public void turnOnTv() {
1431            if (mClient == null) {
1432                return;
1433            }
1434            mClient.oneTouchPlay(new OneTouchPlayCallback() {
1435                @Override
1436                public void onComplete(int result) {
1437                    if (result != HdmiControlManager.RESULT_SUCCESS) {
1438                        Log.w(TAG, "One touch play failed: " + result);
1439                    }
1440                }
1441            });
1442        }
1443    }
1444
1445    private void handleLongPressOnHome(int deviceId) {
1446        if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_NOTHING) {
1447            return;
1448        }
1449        mHomeConsumed = true;
1450        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1451
1452        switch (mLongPressOnHomeBehavior) {
1453            case LONG_PRESS_HOME_RECENT_SYSTEM_UI:
1454                toggleRecentApps();
1455                break;
1456            case LONG_PRESS_HOME_ASSIST:
1457                launchAssistAction(null, deviceId);
1458                break;
1459            default:
1460                Log.w(TAG, "Undefined home long press behavior: " + mLongPressOnHomeBehavior);
1461                break;
1462        }
1463    }
1464
1465    private void handleDoubleTapOnHome() {
1466        if (mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1467            mHomeConsumed = true;
1468            toggleRecentApps();
1469        }
1470    }
1471
1472    private void showTvPictureInPictureMenu(KeyEvent event) {
1473        if (DEBUG_INPUT) Log.d(TAG, "showTvPictureInPictureMenu event=" + event);
1474        mHandler.removeMessages(MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU);
1475        Message msg = mHandler.obtainMessage(MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU);
1476        msg.setAsynchronous(true);
1477        msg.sendToTarget();
1478    }
1479
1480    private void showTvPictureInPictureMenuInternal() {
1481        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
1482        if (statusbar != null) {
1483            statusbar.showTvPictureInPictureMenu();
1484        }
1485    }
1486
1487    private final Runnable mHomeDoubleTapTimeoutRunnable = new Runnable() {
1488        @Override
1489        public void run() {
1490            if (mHomeDoubleTapPending) {
1491                mHomeDoubleTapPending = false;
1492                handleShortPressOnHome();
1493            }
1494        }
1495    };
1496
1497    private boolean isRoundWindow() {
1498        return mContext.getResources().getConfiguration().isScreenRound();
1499    }
1500
1501    /** {@inheritDoc} */
1502    @Override
1503    public void init(Context context, IWindowManager windowManager,
1504            WindowManagerFuncs windowManagerFuncs) {
1505        mContext = context;
1506        mWindowManager = windowManager;
1507        mWindowManagerFuncs = windowManagerFuncs;
1508        mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class);
1509        mActivityManagerInternal = LocalServices.getService(ActivityManagerInternal.class);
1510        mInputManagerInternal = LocalServices.getService(InputManagerInternal.class);
1511        mDreamManagerInternal = LocalServices.getService(DreamManagerInternal.class);
1512        mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class);
1513        mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
1514        mHasFeatureWatch = mContext.getPackageManager().hasSystemFeature(FEATURE_WATCH);
1515
1516        // Init display burn-in protection
1517        boolean burnInProtectionEnabled = context.getResources().getBoolean(
1518                com.android.internal.R.bool.config_enableBurnInProtection);
1519        // Allow a system property to override this. Used by developer settings.
1520        boolean burnInProtectionDevMode =
1521                SystemProperties.getBoolean("persist.debug.force_burn_in", false);
1522        if (burnInProtectionEnabled || burnInProtectionDevMode) {
1523            final int minHorizontal;
1524            final int maxHorizontal;
1525            final int minVertical;
1526            final int maxVertical;
1527            final int maxRadius;
1528            if (burnInProtectionDevMode) {
1529                minHorizontal = -8;
1530                maxHorizontal = 8;
1531                minVertical = -8;
1532                maxVertical = -4;
1533                maxRadius = (isRoundWindow()) ? 6 : -1;
1534            } else {
1535                Resources resources = context.getResources();
1536                minHorizontal = resources.getInteger(
1537                        com.android.internal.R.integer.config_burnInProtectionMinHorizontalOffset);
1538                maxHorizontal = resources.getInteger(
1539                        com.android.internal.R.integer.config_burnInProtectionMaxHorizontalOffset);
1540                minVertical = resources.getInteger(
1541                        com.android.internal.R.integer.config_burnInProtectionMinVerticalOffset);
1542                maxVertical = resources.getInteger(
1543                        com.android.internal.R.integer.config_burnInProtectionMaxVerticalOffset);
1544                maxRadius = resources.getInteger(
1545                        com.android.internal.R.integer.config_burnInProtectionMaxRadius);
1546            }
1547            mBurnInProtectionHelper = new BurnInProtectionHelper(
1548                    context, minHorizontal, maxHorizontal, minVertical, maxVertical, maxRadius);
1549        }
1550
1551        mHandler = new PolicyHandler();
1552        mWakeGestureListener = new MyWakeGestureListener(mContext, mHandler);
1553        mOrientationListener = new MyOrientationListener(mContext, mHandler);
1554        try {
1555            mOrientationListener.setCurrentRotation(windowManager.getRotation());
1556        } catch (RemoteException ex) { }
1557        mSettingsObserver = new SettingsObserver(mHandler);
1558        mSettingsObserver.observe();
1559        mShortcutManager = new ShortcutManager(context);
1560        mUiMode = context.getResources().getInteger(
1561                com.android.internal.R.integer.config_defaultUiModeType);
1562        mHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
1563        mHomeIntent.addCategory(Intent.CATEGORY_HOME);
1564        mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1565                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1566        mEnableCarDockHomeCapture = context.getResources().getBoolean(
1567                com.android.internal.R.bool.config_enableCarDockHomeLaunch);
1568        mCarDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1569        mCarDockIntent.addCategory(Intent.CATEGORY_CAR_DOCK);
1570        mCarDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1571                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1572        mDeskDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1573        mDeskDockIntent.addCategory(Intent.CATEGORY_DESK_DOCK);
1574        mDeskDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1575                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1576
1577        mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
1578        mBroadcastWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1579                "PhoneWindowManager.mBroadcastWakeLock");
1580        mPowerKeyWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1581                "PhoneWindowManager.mPowerKeyWakeLock");
1582        mEnableShiftMenuBugReports = "1".equals(SystemProperties.get("ro.debuggable"));
1583        mSupportAutoRotation = mContext.getResources().getBoolean(
1584                com.android.internal.R.bool.config_supportAutoRotation);
1585        mLidOpenRotation = readRotation(
1586                com.android.internal.R.integer.config_lidOpenRotation);
1587        mCarDockRotation = readRotation(
1588                com.android.internal.R.integer.config_carDockRotation);
1589        mDeskDockRotation = readRotation(
1590                com.android.internal.R.integer.config_deskDockRotation);
1591        mUndockedHdmiRotation = readRotation(
1592                com.android.internal.R.integer.config_undockedHdmiRotation);
1593        mCarDockEnablesAccelerometer = mContext.getResources().getBoolean(
1594                com.android.internal.R.bool.config_carDockEnablesAccelerometer);
1595        mDeskDockEnablesAccelerometer = mContext.getResources().getBoolean(
1596                com.android.internal.R.bool.config_deskDockEnablesAccelerometer);
1597        mLidKeyboardAccessibility = mContext.getResources().getInteger(
1598                com.android.internal.R.integer.config_lidKeyboardAccessibility);
1599        mLidNavigationAccessibility = mContext.getResources().getInteger(
1600                com.android.internal.R.integer.config_lidNavigationAccessibility);
1601        mLidControlsScreenLock = mContext.getResources().getBoolean(
1602                com.android.internal.R.bool.config_lidControlsScreenLock);
1603        mLidControlsSleep = mContext.getResources().getBoolean(
1604                com.android.internal.R.bool.config_lidControlsSleep);
1605        mTranslucentDecorEnabled = mContext.getResources().getBoolean(
1606                com.android.internal.R.bool.config_enableTranslucentDecor);
1607
1608        mAllowTheaterModeWakeFromKey = mContext.getResources().getBoolean(
1609                com.android.internal.R.bool.config_allowTheaterModeWakeFromKey);
1610        mAllowTheaterModeWakeFromPowerKey = mAllowTheaterModeWakeFromKey
1611                || mContext.getResources().getBoolean(
1612                    com.android.internal.R.bool.config_allowTheaterModeWakeFromPowerKey);
1613        mAllowTheaterModeWakeFromMotion = mContext.getResources().getBoolean(
1614                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotion);
1615        mAllowTheaterModeWakeFromMotionWhenNotDreaming = mContext.getResources().getBoolean(
1616                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotionWhenNotDreaming);
1617        mAllowTheaterModeWakeFromCameraLens = mContext.getResources().getBoolean(
1618                com.android.internal.R.bool.config_allowTheaterModeWakeFromCameraLens);
1619        mAllowTheaterModeWakeFromLidSwitch = mContext.getResources().getBoolean(
1620                com.android.internal.R.bool.config_allowTheaterModeWakeFromLidSwitch);
1621        mAllowTheaterModeWakeFromWakeGesture = mContext.getResources().getBoolean(
1622                com.android.internal.R.bool.config_allowTheaterModeWakeFromGesture);
1623
1624        mGoToSleepOnButtonPressTheaterMode = mContext.getResources().getBoolean(
1625                com.android.internal.R.bool.config_goToSleepOnButtonPressTheaterMode);
1626
1627        mSupportLongPressPowerWhenNonInteractive = mContext.getResources().getBoolean(
1628                com.android.internal.R.bool.config_supportLongPressPowerWhenNonInteractive);
1629
1630        mLongPressOnBackBehavior = mContext.getResources().getInteger(
1631                com.android.internal.R.integer.config_longPressOnBackBehavior);
1632
1633        mShortPressOnPowerBehavior = mContext.getResources().getInteger(
1634                com.android.internal.R.integer.config_shortPressOnPowerBehavior);
1635        mLongPressOnPowerBehavior = mContext.getResources().getInteger(
1636                com.android.internal.R.integer.config_longPressOnPowerBehavior);
1637        mDoublePressOnPowerBehavior = mContext.getResources().getInteger(
1638                com.android.internal.R.integer.config_doublePressOnPowerBehavior);
1639        mTriplePressOnPowerBehavior = mContext.getResources().getInteger(
1640                com.android.internal.R.integer.config_triplePressOnPowerBehavior);
1641        mShortPressOnSleepBehavior = mContext.getResources().getInteger(
1642                com.android.internal.R.integer.config_shortPressOnSleepBehavior);
1643
1644        mUseTvRouting = AudioSystem.getPlatformType(mContext) == AudioSystem.PLATFORM_TELEVISION;
1645
1646        readConfigurationDependentBehaviors();
1647
1648        mAccessibilityManager = (AccessibilityManager) context.getSystemService(
1649                Context.ACCESSIBILITY_SERVICE);
1650
1651        // register for dock events
1652        IntentFilter filter = new IntentFilter();
1653        filter.addAction(UiModeManager.ACTION_ENTER_CAR_MODE);
1654        filter.addAction(UiModeManager.ACTION_EXIT_CAR_MODE);
1655        filter.addAction(UiModeManager.ACTION_ENTER_DESK_MODE);
1656        filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
1657        filter.addAction(Intent.ACTION_DOCK_EVENT);
1658        Intent intent = context.registerReceiver(mDockReceiver, filter);
1659        if (intent != null) {
1660            // Retrieve current sticky dock event broadcast.
1661            mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
1662                    Intent.EXTRA_DOCK_STATE_UNDOCKED);
1663        }
1664
1665        // register for dream-related broadcasts
1666        filter = new IntentFilter();
1667        filter.addAction(Intent.ACTION_DREAMING_STARTED);
1668        filter.addAction(Intent.ACTION_DREAMING_STOPPED);
1669        context.registerReceiver(mDreamReceiver, filter);
1670
1671        // register for multiuser-relevant broadcasts
1672        filter = new IntentFilter(Intent.ACTION_USER_SWITCHED);
1673        context.registerReceiver(mMultiuserReceiver, filter);
1674
1675        // monitor for system gestures
1676        mSystemGestures = new SystemGesturesPointerEventListener(context,
1677                new SystemGesturesPointerEventListener.Callbacks() {
1678                    @Override
1679                    public void onSwipeFromTop() {
1680                        if (mStatusBar != null) {
1681                            requestTransientBars(mStatusBar);
1682                        }
1683                    }
1684                    @Override
1685                    public void onSwipeFromBottom() {
1686                        if (mNavigationBar != null && mNavigationBarOnBottom) {
1687                            requestTransientBars(mNavigationBar);
1688                        }
1689                    }
1690                    @Override
1691                    public void onSwipeFromRight() {
1692                        if (mNavigationBar != null && !mNavigationBarOnBottom) {
1693                            requestTransientBars(mNavigationBar);
1694                        }
1695                    }
1696                    @Override
1697                    public void onFling(int duration) {
1698                        if (mPowerManagerInternal != null) {
1699                            mPowerManagerInternal.powerHint(
1700                                    PowerManagerInternal.POWER_HINT_INTERACTION, duration);
1701                        }
1702                    }
1703                    @Override
1704                    public void onDebug() {
1705                        // no-op
1706                    }
1707                    @Override
1708                    public void onDown() {
1709                        mOrientationListener.onTouchStart();
1710                    }
1711                    @Override
1712                    public void onUpOrCancel() {
1713                        mOrientationListener.onTouchEnd();
1714                    }
1715                    @Override
1716                    public void onMouseHoverAtTop() {
1717                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1718                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
1719                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS;
1720                        mHandler.sendMessageDelayed(msg, 500);
1721                    }
1722                    @Override
1723                    public void onMouseHoverAtBottom() {
1724                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1725                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
1726                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION;
1727                        mHandler.sendMessageDelayed(msg, 500);
1728                    }
1729                    @Override
1730                    public void onMouseLeaveFromEdge() {
1731                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1732                    }
1733                });
1734        mImmersiveModeConfirmation = new ImmersiveModeConfirmation(mContext);
1735        mWindowManagerFuncs.registerPointerEventListener(mSystemGestures);
1736
1737        mVibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE);
1738        mLongPressVibePattern = getLongIntArray(mContext.getResources(),
1739                com.android.internal.R.array.config_longPressVibePattern);
1740        mVirtualKeyVibePattern = getLongIntArray(mContext.getResources(),
1741                com.android.internal.R.array.config_virtualKeyVibePattern);
1742        mKeyboardTapVibePattern = getLongIntArray(mContext.getResources(),
1743                com.android.internal.R.array.config_keyboardTapVibePattern);
1744        mClockTickVibePattern = getLongIntArray(mContext.getResources(),
1745                com.android.internal.R.array.config_clockTickVibePattern);
1746        mCalendarDateVibePattern = getLongIntArray(mContext.getResources(),
1747                com.android.internal.R.array.config_calendarDateVibePattern);
1748        mSafeModeDisabledVibePattern = getLongIntArray(mContext.getResources(),
1749                com.android.internal.R.array.config_safeModeDisabledVibePattern);
1750        mSafeModeEnabledVibePattern = getLongIntArray(mContext.getResources(),
1751                com.android.internal.R.array.config_safeModeEnabledVibePattern);
1752        mContextClickVibePattern = getLongIntArray(mContext.getResources(),
1753                com.android.internal.R.array.config_contextClickVibePattern);
1754
1755        mScreenshotChordEnabled = mContext.getResources().getBoolean(
1756                com.android.internal.R.bool.config_enableScreenshotChord);
1757
1758        mGlobalKeyManager = new GlobalKeyManager(mContext);
1759
1760        // Controls rotation and the like.
1761        initializeHdmiState();
1762
1763        // Match current screen state.
1764        if (!mPowerManager.isInteractive()) {
1765            startedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1766            finishedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1767        }
1768
1769        mWindowManagerInternal.registerAppTransitionListener(
1770                mStatusBarController.getAppTransitionListener());
1771    }
1772
1773    /**
1774     * Read values from config.xml that may be overridden depending on
1775     * the configuration of the device.
1776     * eg. Disable long press on home goes to recents on sw600dp.
1777     */
1778    private void readConfigurationDependentBehaviors() {
1779        final Resources res = mContext.getResources();
1780
1781        mLongPressOnHomeBehavior = res.getInteger(
1782                com.android.internal.R.integer.config_longPressOnHomeBehavior);
1783        if (mLongPressOnHomeBehavior < LONG_PRESS_HOME_NOTHING ||
1784                mLongPressOnHomeBehavior > LAST_LONG_PRESS_HOME_BEHAVIOR) {
1785            mLongPressOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1786        }
1787
1788        mDoubleTapOnHomeBehavior = res.getInteger(
1789                com.android.internal.R.integer.config_doubleTapOnHomeBehavior);
1790        if (mDoubleTapOnHomeBehavior < DOUBLE_TAP_HOME_NOTHING ||
1791                mDoubleTapOnHomeBehavior > DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1792            mDoubleTapOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1793        }
1794
1795        mShortPressWindowBehavior = SHORT_PRESS_WINDOW_NOTHING;
1796        if (mContext.getPackageManager().hasSystemFeature(FEATURE_PICTURE_IN_PICTURE)) {
1797            mShortPressWindowBehavior = SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE;
1798        }
1799
1800        mNavBarOpacityMode = res.getInteger(
1801                com.android.internal.R.integer.config_navBarOpacityMode);
1802    }
1803
1804    @Override
1805    public void setInitialDisplaySize(Display display, int width, int height, int density) {
1806        // This method might be called before the policy has been fully initialized
1807        // or for other displays we don't care about.
1808        if (mContext == null || display.getDisplayId() != Display.DEFAULT_DISPLAY) {
1809            return;
1810        }
1811        mDisplay = display;
1812
1813        final Resources res = mContext.getResources();
1814        int shortSize, longSize;
1815        if (width > height) {
1816            shortSize = height;
1817            longSize = width;
1818            mLandscapeRotation = Surface.ROTATION_0;
1819            mSeascapeRotation = Surface.ROTATION_180;
1820            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1821                mPortraitRotation = Surface.ROTATION_90;
1822                mUpsideDownRotation = Surface.ROTATION_270;
1823            } else {
1824                mPortraitRotation = Surface.ROTATION_270;
1825                mUpsideDownRotation = Surface.ROTATION_90;
1826            }
1827        } else {
1828            shortSize = width;
1829            longSize = height;
1830            mPortraitRotation = Surface.ROTATION_0;
1831            mUpsideDownRotation = Surface.ROTATION_180;
1832            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1833                mLandscapeRotation = Surface.ROTATION_270;
1834                mSeascapeRotation = Surface.ROTATION_90;
1835            } else {
1836                mLandscapeRotation = Surface.ROTATION_90;
1837                mSeascapeRotation = Surface.ROTATION_270;
1838            }
1839        }
1840
1841        // SystemUI (status bar) layout policy
1842        int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT / density;
1843        int longSizeDp = longSize * DisplayMetrics.DENSITY_DEFAULT / density;
1844
1845        // Allow the navigation bar to move on non-square small devices (phones).
1846        mNavigationBarCanMove = width != height && shortSizeDp < 600;
1847
1848        mHasNavigationBar = res.getBoolean(com.android.internal.R.bool.config_showNavigationBar);
1849
1850        // Allow a system property to override this. Used by the emulator.
1851        // See also hasNavigationBar().
1852        String navBarOverride = SystemProperties.get("qemu.hw.mainkeys");
1853        if ("1".equals(navBarOverride)) {
1854            mHasNavigationBar = false;
1855        } else if ("0".equals(navBarOverride)) {
1856            mHasNavigationBar = true;
1857        }
1858
1859        // For demo purposes, allow the rotation of the HDMI display to be controlled.
1860        // By default, HDMI locks rotation to landscape.
1861        if ("portrait".equals(SystemProperties.get("persist.demo.hdmirotation"))) {
1862            mDemoHdmiRotation = mPortraitRotation;
1863        } else {
1864            mDemoHdmiRotation = mLandscapeRotation;
1865        }
1866        mDemoHdmiRotationLock = SystemProperties.getBoolean("persist.demo.hdmirotationlock", false);
1867
1868        // For demo purposes, allow the rotation of the remote display to be controlled.
1869        // By default, remote display locks rotation to landscape.
1870        if ("portrait".equals(SystemProperties.get("persist.demo.remoterotation"))) {
1871            mDemoRotation = mPortraitRotation;
1872        } else {
1873            mDemoRotation = mLandscapeRotation;
1874        }
1875        mDemoRotationLock = SystemProperties.getBoolean(
1876                "persist.demo.rotationlock", false);
1877
1878        // Only force the default orientation if the screen is xlarge, at least 960dp x 720dp, per
1879        // http://developer.android.com/guide/practices/screens_support.html#range
1880        mForceDefaultOrientation = longSizeDp >= 960 && shortSizeDp >= 720 &&
1881                res.getBoolean(com.android.internal.R.bool.config_forceDefaultOrientation) &&
1882                // For debug purposes the next line turns this feature off with:
1883                // $ adb shell setprop config.override_forced_orient true
1884                // $ adb shell wm size reset
1885                !"true".equals(SystemProperties.get("config.override_forced_orient"));
1886    }
1887
1888    /**
1889     * @return whether the navigation bar can be hidden, e.g. the device has a
1890     *         navigation bar and touch exploration is not enabled
1891     */
1892    private boolean canHideNavigationBar() {
1893        return mHasNavigationBar;
1894    }
1895
1896    @Override
1897    public boolean isDefaultOrientationForced() {
1898        return mForceDefaultOrientation;
1899    }
1900
1901    @Override
1902    public void setDisplayOverscan(Display display, int left, int top, int right, int bottom) {
1903        if (display.getDisplayId() == Display.DEFAULT_DISPLAY) {
1904            mOverscanLeft = left;
1905            mOverscanTop = top;
1906            mOverscanRight = right;
1907            mOverscanBottom = bottom;
1908        }
1909    }
1910
1911    public void updateSettings() {
1912        ContentResolver resolver = mContext.getContentResolver();
1913        boolean updateRotation = false;
1914        synchronized (mLock) {
1915            mEndcallBehavior = Settings.System.getIntForUser(resolver,
1916                    Settings.System.END_BUTTON_BEHAVIOR,
1917                    Settings.System.END_BUTTON_BEHAVIOR_DEFAULT,
1918                    UserHandle.USER_CURRENT);
1919            mIncallPowerBehavior = Settings.Secure.getIntForUser(resolver,
1920                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
1921                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT,
1922                    UserHandle.USER_CURRENT);
1923
1924            // Configure wake gesture.
1925            boolean wakeGestureEnabledSetting = Settings.Secure.getIntForUser(resolver,
1926                    Settings.Secure.WAKE_GESTURE_ENABLED, 0,
1927                    UserHandle.USER_CURRENT) != 0;
1928            if (mWakeGestureEnabledSetting != wakeGestureEnabledSetting) {
1929                mWakeGestureEnabledSetting = wakeGestureEnabledSetting;
1930                updateWakeGestureListenerLp();
1931            }
1932
1933            // Configure rotation lock.
1934            int userRotation = Settings.System.getIntForUser(resolver,
1935                    Settings.System.USER_ROTATION, Surface.ROTATION_0,
1936                    UserHandle.USER_CURRENT);
1937            if (mUserRotation != userRotation) {
1938                mUserRotation = userRotation;
1939                updateRotation = true;
1940            }
1941            int userRotationMode = Settings.System.getIntForUser(resolver,
1942                    Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
1943                            WindowManagerPolicy.USER_ROTATION_FREE :
1944                                    WindowManagerPolicy.USER_ROTATION_LOCKED;
1945            if (mUserRotationMode != userRotationMode) {
1946                mUserRotationMode = userRotationMode;
1947                updateRotation = true;
1948                updateOrientationListenerLp();
1949            }
1950
1951            if (mSystemReady) {
1952                int pointerLocation = Settings.System.getIntForUser(resolver,
1953                        Settings.System.POINTER_LOCATION, 0, UserHandle.USER_CURRENT);
1954                if (mPointerLocationMode != pointerLocation) {
1955                    mPointerLocationMode = pointerLocation;
1956                    mHandler.sendEmptyMessage(pointerLocation != 0 ?
1957                            MSG_ENABLE_POINTER_LOCATION : MSG_DISABLE_POINTER_LOCATION);
1958                }
1959            }
1960            // use screen off timeout setting as the timeout for the lockscreen
1961            mLockScreenTimeout = Settings.System.getIntForUser(resolver,
1962                    Settings.System.SCREEN_OFF_TIMEOUT, 0, UserHandle.USER_CURRENT);
1963            String imId = Settings.Secure.getStringForUser(resolver,
1964                    Settings.Secure.DEFAULT_INPUT_METHOD, UserHandle.USER_CURRENT);
1965            boolean hasSoftInput = imId != null && imId.length() > 0;
1966            if (mHasSoftInput != hasSoftInput) {
1967                mHasSoftInput = hasSoftInput;
1968                updateRotation = true;
1969            }
1970            if (mImmersiveModeConfirmation != null) {
1971                mImmersiveModeConfirmation.loadSetting(mCurrentUserId);
1972            }
1973        }
1974        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
1975            PolicyControl.reloadFromSetting(mContext);
1976        }
1977        if (updateRotation) {
1978            updateRotation(true);
1979        }
1980    }
1981
1982    private void updateWakeGestureListenerLp() {
1983        if (shouldEnableWakeGestureLp()) {
1984            mWakeGestureListener.requestWakeUpTrigger();
1985        } else {
1986            mWakeGestureListener.cancelWakeUpTrigger();
1987        }
1988    }
1989
1990    private boolean shouldEnableWakeGestureLp() {
1991        return mWakeGestureEnabledSetting && !mAwake
1992                && (!mLidControlsSleep || mLidState != LID_CLOSED)
1993                && mWakeGestureListener.isSupported();
1994    }
1995
1996    private void enablePointerLocation() {
1997        if (mPointerLocationView == null) {
1998            mPointerLocationView = new PointerLocationView(mContext);
1999            mPointerLocationView.setPrintCoords(false);
2000            WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
2001                    WindowManager.LayoutParams.MATCH_PARENT,
2002                    WindowManager.LayoutParams.MATCH_PARENT);
2003            lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
2004            lp.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN
2005                    | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
2006                    | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
2007                    | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
2008            if (ActivityManager.isHighEndGfx()) {
2009                lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
2010                lp.privateFlags |=
2011                        WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED;
2012            }
2013            lp.format = PixelFormat.TRANSLUCENT;
2014            lp.setTitle("PointerLocation");
2015            WindowManager wm = (WindowManager)
2016                    mContext.getSystemService(Context.WINDOW_SERVICE);
2017            lp.inputFeatures |= WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL;
2018            wm.addView(mPointerLocationView, lp);
2019            mWindowManagerFuncs.registerPointerEventListener(mPointerLocationView);
2020        }
2021    }
2022
2023    private void disablePointerLocation() {
2024        if (mPointerLocationView != null) {
2025            mWindowManagerFuncs.unregisterPointerEventListener(mPointerLocationView);
2026            WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
2027            wm.removeView(mPointerLocationView);
2028            mPointerLocationView = null;
2029        }
2030    }
2031
2032    private int readRotation(int resID) {
2033        try {
2034            int rotation = mContext.getResources().getInteger(resID);
2035            switch (rotation) {
2036                case 0:
2037                    return Surface.ROTATION_0;
2038                case 90:
2039                    return Surface.ROTATION_90;
2040                case 180:
2041                    return Surface.ROTATION_180;
2042                case 270:
2043                    return Surface.ROTATION_270;
2044            }
2045        } catch (Resources.NotFoundException e) {
2046            // fall through
2047        }
2048        return -1;
2049    }
2050
2051    /** {@inheritDoc} */
2052    @Override
2053    public int checkAddPermission(WindowManager.LayoutParams attrs, int[] outAppOp) {
2054        int type = attrs.type;
2055
2056        outAppOp[0] = AppOpsManager.OP_NONE;
2057
2058        if (!((type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW)
2059                || (type >= FIRST_SUB_WINDOW && type <= LAST_SUB_WINDOW)
2060                || (type >= FIRST_SYSTEM_WINDOW && type <= LAST_SYSTEM_WINDOW))) {
2061            return WindowManagerGlobal.ADD_INVALID_TYPE;
2062        }
2063
2064        if (type < FIRST_SYSTEM_WINDOW || type > LAST_SYSTEM_WINDOW) {
2065            // Window manager will make sure these are okay.
2066            return WindowManagerGlobal.ADD_OKAY;
2067        }
2068        String permission = null;
2069        switch (type) {
2070            case TYPE_TOAST:
2071                // XXX right now the app process has complete control over
2072                // this...  should introduce a token to let the system
2073                // monitor/control what they are doing.
2074                outAppOp[0] = AppOpsManager.OP_TOAST_WINDOW;
2075                break;
2076            case TYPE_DREAM:
2077            case TYPE_INPUT_METHOD:
2078            case TYPE_WALLPAPER:
2079            case TYPE_PRIVATE_PRESENTATION:
2080            case TYPE_VOICE_INTERACTION:
2081            case TYPE_ACCESSIBILITY_OVERLAY:
2082            case TYPE_QS_DIALOG:
2083                // The window manager will check these.
2084                break;
2085            case TYPE_PHONE:
2086            case TYPE_PRIORITY_PHONE:
2087            case TYPE_SYSTEM_ALERT:
2088            case TYPE_SYSTEM_ERROR:
2089            case TYPE_SYSTEM_OVERLAY:
2090                permission = android.Manifest.permission.SYSTEM_ALERT_WINDOW;
2091                outAppOp[0] = AppOpsManager.OP_SYSTEM_ALERT_WINDOW;
2092                break;
2093            default:
2094                permission = android.Manifest.permission.INTERNAL_SYSTEM_WINDOW;
2095        }
2096        if (permission != null) {
2097            if (android.Manifest.permission.SYSTEM_ALERT_WINDOW.equals(permission)) {
2098                final int callingUid = Binder.getCallingUid();
2099                // system processes will be automatically allowed privilege to draw
2100                if (callingUid == Process.SYSTEM_UID) {
2101                    return WindowManagerGlobal.ADD_OKAY;
2102                }
2103
2104                // check if user has enabled this operation. SecurityException will be thrown if
2105                // this app has not been allowed by the user
2106                final int mode = mAppOpsManager.checkOpNoThrow(outAppOp[0], callingUid,
2107                        attrs.packageName);
2108                switch (mode) {
2109                    case AppOpsManager.MODE_ALLOWED:
2110                    case AppOpsManager.MODE_IGNORED:
2111                        // although we return ADD_OKAY for MODE_IGNORED, the added window will
2112                        // actually be hidden in WindowManagerService
2113                        return WindowManagerGlobal.ADD_OKAY;
2114                    case AppOpsManager.MODE_ERRORED:
2115                        try {
2116                            ApplicationInfo appInfo = mContext.getPackageManager()
2117                                    .getApplicationInfo(attrs.packageName,
2118                                            UserHandle.getUserId(callingUid));
2119                            // Don't crash legacy apps
2120                            if (appInfo.targetSdkVersion < Build.VERSION_CODES.M) {
2121                                return WindowManagerGlobal.ADD_OKAY;
2122                            }
2123                        } catch (PackageManager.NameNotFoundException e) {
2124                            /* ignore */
2125                        }
2126                        return WindowManagerGlobal.ADD_PERMISSION_DENIED;
2127                    default:
2128                        // in the default mode, we will make a decision here based on
2129                        // checkCallingPermission()
2130                        if (mContext.checkCallingPermission(permission) !=
2131                                PackageManager.PERMISSION_GRANTED) {
2132                            return WindowManagerGlobal.ADD_PERMISSION_DENIED;
2133                        } else {
2134                            return WindowManagerGlobal.ADD_OKAY;
2135                        }
2136                }
2137            }
2138
2139            if (mContext.checkCallingOrSelfPermission(permission)
2140                    != PackageManager.PERMISSION_GRANTED) {
2141                return WindowManagerGlobal.ADD_PERMISSION_DENIED;
2142            }
2143        }
2144        return WindowManagerGlobal.ADD_OKAY;
2145    }
2146
2147    @Override
2148    public boolean checkShowToOwnerOnly(WindowManager.LayoutParams attrs) {
2149
2150        // If this switch statement is modified, modify the comment in the declarations of
2151        // the type in {@link WindowManager.LayoutParams} as well.
2152        switch (attrs.type) {
2153            default:
2154                // These are the windows that by default are shown only to the user that created
2155                // them. If this needs to be overridden, set
2156                // {@link WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS} in
2157                // {@link WindowManager.LayoutParams}. Note that permission
2158                // {@link android.Manifest.permission.INTERNAL_SYSTEM_WINDOW} is required as well.
2159                if ((attrs.privateFlags & PRIVATE_FLAG_SHOW_FOR_ALL_USERS) == 0) {
2160                    return true;
2161                }
2162                break;
2163
2164            // These are the windows that by default are shown to all users. However, to
2165            // protect against spoofing, check permissions below.
2166            case TYPE_APPLICATION_STARTING:
2167            case TYPE_BOOT_PROGRESS:
2168            case TYPE_DISPLAY_OVERLAY:
2169            case TYPE_INPUT_CONSUMER:
2170            case TYPE_KEYGUARD_SCRIM:
2171            case TYPE_KEYGUARD_DIALOG:
2172            case TYPE_MAGNIFICATION_OVERLAY:
2173            case TYPE_NAVIGATION_BAR:
2174            case TYPE_NAVIGATION_BAR_PANEL:
2175            case TYPE_PHONE:
2176            case TYPE_POINTER:
2177            case TYPE_PRIORITY_PHONE:
2178            case TYPE_SEARCH_BAR:
2179            case TYPE_STATUS_BAR:
2180            case TYPE_STATUS_BAR_PANEL:
2181            case TYPE_STATUS_BAR_SUB_PANEL:
2182            case TYPE_SYSTEM_DIALOG:
2183            case TYPE_VOLUME_OVERLAY:
2184            case TYPE_PRIVATE_PRESENTATION:
2185            case TYPE_DOCK_DIVIDER:
2186                break;
2187        }
2188
2189        // Check if third party app has set window to system window type.
2190        return mContext.checkCallingOrSelfPermission(
2191                android.Manifest.permission.INTERNAL_SYSTEM_WINDOW)
2192                        != PackageManager.PERMISSION_GRANTED;
2193    }
2194
2195    @Override
2196    public void adjustWindowParamsLw(WindowManager.LayoutParams attrs) {
2197        switch (attrs.type) {
2198            case TYPE_SYSTEM_OVERLAY:
2199            case TYPE_SECURE_SYSTEM_OVERLAY:
2200                // These types of windows can't receive input events.
2201                attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
2202                        | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
2203                attrs.flags &= ~WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
2204                break;
2205            case TYPE_STATUS_BAR:
2206
2207                // If the Keyguard is in a hidden state (occluded by another window), we force to
2208                // remove the wallpaper and keyguard flag so that any change in-flight after setting
2209                // the keyguard as occluded wouldn't set these flags again.
2210                // See {@link #processKeyguardSetHiddenResultLw}.
2211                if (mKeyguardHidden) {
2212                    attrs.flags &= ~WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
2213                    attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2214                }
2215                break;
2216        }
2217
2218        if (attrs.type != TYPE_STATUS_BAR) {
2219            // The status bar is the only window allowed to exhibit keyguard behavior.
2220            attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2221        }
2222
2223        if (ActivityManager.isHighEndGfx()) {
2224            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0) {
2225                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
2226            }
2227            final boolean forceWindowDrawsStatusBarBackground =
2228                    (attrs.privateFlags & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND)
2229                            != 0;
2230            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0
2231                    || forceWindowDrawsStatusBarBackground
2232                            && attrs.height == MATCH_PARENT && attrs.width == MATCH_PARENT) {
2233                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
2234            }
2235        }
2236    }
2237
2238    void readLidState() {
2239        mLidState = mWindowManagerFuncs.getLidState();
2240    }
2241
2242    private void readCameraLensCoverState() {
2243        mCameraLensCoverState = mWindowManagerFuncs.getCameraLensCoverState();
2244    }
2245
2246    private boolean isHidden(int accessibilityMode) {
2247        switch (accessibilityMode) {
2248            case 1:
2249                return mLidState == LID_CLOSED;
2250            case 2:
2251                return mLidState == LID_OPEN;
2252            default:
2253                return false;
2254        }
2255    }
2256
2257    /** {@inheritDoc} */
2258    @Override
2259    public void adjustConfigurationLw(Configuration config, int keyboardPresence,
2260            int navigationPresence) {
2261        mHaveBuiltInKeyboard = (keyboardPresence & PRESENCE_INTERNAL) != 0;
2262
2263        readConfigurationDependentBehaviors();
2264        readLidState();
2265
2266        if (config.keyboard == Configuration.KEYBOARD_NOKEYS
2267                || (keyboardPresence == PRESENCE_INTERNAL
2268                        && isHidden(mLidKeyboardAccessibility))) {
2269            config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_YES;
2270            if (!mHasSoftInput) {
2271                config.keyboardHidden = Configuration.KEYBOARDHIDDEN_YES;
2272            }
2273        }
2274
2275        if (config.navigation == Configuration.NAVIGATION_NONAV
2276                || (navigationPresence == PRESENCE_INTERNAL
2277                        && isHidden(mLidNavigationAccessibility))) {
2278            config.navigationHidden = Configuration.NAVIGATIONHIDDEN_YES;
2279        }
2280    }
2281
2282    @Override
2283    public void onConfigurationChanged() {
2284        final Resources res = mContext.getResources();
2285
2286        mStatusBarHeight =
2287                res.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
2288
2289        // Height of the navigation bar when presented horizontally at bottom
2290        mNavigationBarHeightForRotationDefault[mPortraitRotation] =
2291        mNavigationBarHeightForRotationDefault[mUpsideDownRotation] =
2292                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_height);
2293        mNavigationBarHeightForRotationDefault[mLandscapeRotation] =
2294        mNavigationBarHeightForRotationDefault[mSeascapeRotation] = res.getDimensionPixelSize(
2295                com.android.internal.R.dimen.navigation_bar_height_landscape);
2296
2297        // Width of the navigation bar when presented vertically along one side
2298        mNavigationBarWidthForRotationDefault[mPortraitRotation] =
2299        mNavigationBarWidthForRotationDefault[mUpsideDownRotation] =
2300        mNavigationBarWidthForRotationDefault[mLandscapeRotation] =
2301        mNavigationBarWidthForRotationDefault[mSeascapeRotation] =
2302                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_width);
2303
2304        // Height of the navigation bar when presented horizontally at bottom
2305        mNavigationBarHeightForRotationInCarMode[mPortraitRotation] =
2306        mNavigationBarHeightForRotationInCarMode[mUpsideDownRotation] =
2307                res.getDimensionPixelSize(
2308                        com.android.internal.R.dimen.navigation_bar_height_car_mode);
2309        mNavigationBarHeightForRotationInCarMode[mLandscapeRotation] =
2310        mNavigationBarHeightForRotationInCarMode[mSeascapeRotation] = res.getDimensionPixelSize(
2311                com.android.internal.R.dimen.navigation_bar_height_landscape_car_mode);
2312
2313        // Width of the navigation bar when presented vertically along one side
2314        mNavigationBarWidthForRotationInCarMode[mPortraitRotation] =
2315        mNavigationBarWidthForRotationInCarMode[mUpsideDownRotation] =
2316        mNavigationBarWidthForRotationInCarMode[mLandscapeRotation] =
2317        mNavigationBarWidthForRotationInCarMode[mSeascapeRotation] =
2318                res.getDimensionPixelSize(
2319                        com.android.internal.R.dimen.navigation_bar_width_car_mode);
2320    }
2321
2322    /** {@inheritDoc} */
2323    @Override
2324    public int windowTypeToLayerLw(int type) {
2325        if (type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW) {
2326            return 2;
2327        }
2328        switch (type) {
2329        case TYPE_PRIVATE_PRESENTATION:
2330            return 2;
2331        case TYPE_WALLPAPER:
2332            // wallpaper is at the bottom, though the window manager may move it.
2333            return 2;
2334        case TYPE_DOCK_DIVIDER:
2335            return 2;
2336        case TYPE_QS_DIALOG:
2337            return 2;
2338        case TYPE_PHONE:
2339            return 3;
2340        case TYPE_SEARCH_BAR:
2341        case TYPE_VOICE_INTERACTION_STARTING:
2342            return 4;
2343        case TYPE_VOICE_INTERACTION:
2344            // voice interaction layer is almost immediately above apps.
2345            return 5;
2346        case TYPE_INPUT_CONSUMER:
2347            return 6;
2348        case TYPE_SYSTEM_DIALOG:
2349            return 7;
2350        case TYPE_TOAST:
2351            // toasts and the plugged-in battery thing
2352            return 8;
2353        case TYPE_PRIORITY_PHONE:
2354            // SIM errors and unlock.  Not sure if this really should be in a high layer.
2355            return 9;
2356        case TYPE_DREAM:
2357            // used for Dreams (screensavers with TYPE_DREAM windows)
2358            return 10;
2359        case TYPE_SYSTEM_ALERT:
2360            // like the ANR / app crashed dialogs
2361            return 11;
2362        case TYPE_INPUT_METHOD:
2363            // on-screen keyboards and other such input method user interfaces go here.
2364            return 12;
2365        case TYPE_INPUT_METHOD_DIALOG:
2366            // on-screen keyboards and other such input method user interfaces go here.
2367            return 13;
2368        case TYPE_KEYGUARD_SCRIM:
2369            // the safety window that shows behind keyguard while keyguard is starting
2370            return 14;
2371        case TYPE_STATUS_BAR_SUB_PANEL:
2372            return 15;
2373        case TYPE_STATUS_BAR:
2374            return 16;
2375        case TYPE_STATUS_BAR_PANEL:
2376            return 17;
2377        case TYPE_KEYGUARD_DIALOG:
2378            return 18;
2379        case TYPE_VOLUME_OVERLAY:
2380            // the on-screen volume indicator and controller shown when the user
2381            // changes the device volume
2382            return 19;
2383        case TYPE_SYSTEM_OVERLAY:
2384            // the on-screen volume indicator and controller shown when the user
2385            // changes the device volume
2386            return 20;
2387        case TYPE_NAVIGATION_BAR:
2388            // the navigation bar, if available, shows atop most things
2389            return 21;
2390        case TYPE_NAVIGATION_BAR_PANEL:
2391            // some panels (e.g. search) need to show on top of the navigation bar
2392            return 22;
2393        case TYPE_SCREENSHOT:
2394            // screenshot selection layer shouldn't go above system error, but it should cover
2395            // navigation bars at the very least.
2396            return 23;
2397        case TYPE_SYSTEM_ERROR:
2398            // system-level error dialogs
2399            return 24;
2400        case TYPE_MAGNIFICATION_OVERLAY:
2401            // used to highlight the magnified portion of a display
2402            return 25;
2403        case TYPE_DISPLAY_OVERLAY:
2404            // used to simulate secondary display devices
2405            return 26;
2406        case TYPE_DRAG:
2407            // the drag layer: input for drag-and-drop is associated with this window,
2408            // which sits above all other focusable windows
2409            return 27;
2410        case TYPE_ACCESSIBILITY_OVERLAY:
2411            // overlay put by accessibility services to intercept user interaction
2412            return 28;
2413        case TYPE_SECURE_SYSTEM_OVERLAY:
2414            return 29;
2415        case TYPE_BOOT_PROGRESS:
2416            return 30;
2417        case TYPE_POINTER:
2418            // the (mouse) pointer layer
2419            return 31;
2420        }
2421        Log.e(TAG, "Unknown window type: " + type);
2422        return 2;
2423    }
2424
2425    /** {@inheritDoc} */
2426    @Override
2427    public int subWindowTypeToLayerLw(int type) {
2428        switch (type) {
2429        case TYPE_APPLICATION_PANEL:
2430        case TYPE_APPLICATION_ATTACHED_DIALOG:
2431            return APPLICATION_PANEL_SUBLAYER;
2432        case TYPE_APPLICATION_MEDIA:
2433            return APPLICATION_MEDIA_SUBLAYER;
2434        case TYPE_APPLICATION_MEDIA_OVERLAY:
2435            return APPLICATION_MEDIA_OVERLAY_SUBLAYER;
2436        case TYPE_APPLICATION_SUB_PANEL:
2437            return APPLICATION_SUB_PANEL_SUBLAYER;
2438        case TYPE_APPLICATION_ABOVE_SUB_PANEL:
2439            return APPLICATION_ABOVE_SUB_PANEL_SUBLAYER;
2440        }
2441        Log.e(TAG, "Unknown sub-window type: " + type);
2442        return 0;
2443    }
2444
2445    @Override
2446    public int getMaxWallpaperLayer() {
2447        return windowTypeToLayerLw(TYPE_STATUS_BAR);
2448    }
2449
2450    private int getNavigationBarWidth(int rotation, int uiMode) {
2451        if ((uiMode & UI_MODE_TYPE_MASK) == UI_MODE_TYPE_CAR) {
2452            return mNavigationBarWidthForRotationInCarMode[rotation];
2453        } else {
2454            return mNavigationBarWidthForRotationDefault[rotation];
2455        }
2456    }
2457
2458    @Override
2459    public int getNonDecorDisplayWidth(int fullWidth, int fullHeight, int rotation,
2460            int uiMode) {
2461        if (mHasNavigationBar) {
2462            // For a basic navigation bar, when we are in landscape mode we place
2463            // the navigation bar to the side.
2464            if (mNavigationBarCanMove && fullWidth > fullHeight) {
2465                return fullWidth - getNavigationBarWidth(rotation, uiMode);
2466            }
2467        }
2468        return fullWidth;
2469    }
2470
2471    private int getNavigationBarHeight(int rotation, int uiMode) {
2472        if ((uiMode & UI_MODE_TYPE_MASK) == UI_MODE_TYPE_CAR) {
2473            return mNavigationBarHeightForRotationInCarMode[rotation];
2474        } else {
2475            return mNavigationBarHeightForRotationDefault[rotation];
2476        }
2477    }
2478
2479    @Override
2480    public int getNonDecorDisplayHeight(int fullWidth, int fullHeight, int rotation,
2481            int uiMode) {
2482        if (mHasNavigationBar) {
2483            // For a basic navigation bar, when we are in portrait mode we place
2484            // the navigation bar to the bottom.
2485            if (!mNavigationBarCanMove || fullWidth < fullHeight) {
2486                return fullHeight - getNavigationBarHeight(rotation, uiMode);
2487            }
2488        }
2489        return fullHeight;
2490    }
2491
2492    @Override
2493    public int getConfigDisplayWidth(int fullWidth, int fullHeight, int rotation, int uiMode) {
2494        return getNonDecorDisplayWidth(fullWidth, fullHeight, rotation, uiMode);
2495    }
2496
2497    @Override
2498    public int getConfigDisplayHeight(int fullWidth, int fullHeight, int rotation, int uiMode) {
2499        // There is a separate status bar at the top of the display.  We don't count that as part
2500        // of the fixed decor, since it can hide; however, for purposes of configurations,
2501        // we do want to exclude it since applications can't generally use that part
2502        // of the screen.
2503        return getNonDecorDisplayHeight(
2504                fullWidth, fullHeight, rotation, uiMode) - mStatusBarHeight;
2505    }
2506
2507    @Override
2508    public boolean isForceHiding(WindowManager.LayoutParams attrs) {
2509        return (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 ||
2510                (isKeyguardHostWindow(attrs) &&
2511                        (mKeyguardDelegate != null && mKeyguardDelegate.isShowing())) ||
2512                (attrs.type == TYPE_KEYGUARD_SCRIM);
2513    }
2514
2515    @Override
2516    public boolean isKeyguardHostWindow(WindowManager.LayoutParams attrs) {
2517        return attrs.type == TYPE_STATUS_BAR;
2518    }
2519
2520    @Override
2521    public boolean canBeForceHidden(WindowState win, WindowManager.LayoutParams attrs) {
2522        switch (attrs.type) {
2523            case TYPE_STATUS_BAR:
2524            case TYPE_NAVIGATION_BAR:
2525            case TYPE_WALLPAPER:
2526            case TYPE_DREAM:
2527            case TYPE_KEYGUARD_SCRIM:
2528                return false;
2529            default:
2530                // Hide only windows below the keyguard host window.
2531                return windowTypeToLayerLw(win.getBaseType())
2532                        < windowTypeToLayerLw(TYPE_STATUS_BAR);
2533        }
2534    }
2535
2536    @Override
2537    public WindowState getWinShowWhenLockedLw() {
2538        return mWinShowWhenLocked;
2539    }
2540
2541    /** {@inheritDoc} */
2542    @Override
2543    public View addStartingWindow(IBinder appToken, String packageName, int theme,
2544            CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes,
2545            int icon, int logo, int windowFlags, Configuration overrideConfig) {
2546        if (!SHOW_STARTING_ANIMATIONS) {
2547            return null;
2548        }
2549        if (packageName == null) {
2550            return null;
2551        }
2552
2553        WindowManager wm = null;
2554        View view = null;
2555
2556        try {
2557            Context context = mContext;
2558            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow " + packageName
2559                    + ": nonLocalizedLabel=" + nonLocalizedLabel + " theme="
2560                    + Integer.toHexString(theme));
2561            if (theme != context.getThemeResId() || labelRes != 0) {
2562                try {
2563                    context = context.createPackageContext(packageName, 0);
2564                    context.setTheme(theme);
2565                } catch (PackageManager.NameNotFoundException e) {
2566                    // Ignore
2567                }
2568            }
2569
2570            if (overrideConfig != null && overrideConfig != EMPTY) {
2571                if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow: creating context based"
2572                        + " on overrideConfig" + overrideConfig + " for starting window");
2573                final Context overrideContext = context.createConfigurationContext(overrideConfig);
2574                overrideContext.setTheme(theme);
2575                final TypedArray typedArray = overrideContext.obtainStyledAttributes(
2576                        com.android.internal.R.styleable.Window);
2577                final int resId = typedArray.getResourceId(R.styleable.Window_windowBackground, 0);
2578                if (resId != 0 && overrideContext.getDrawable(resId) != null) {
2579                    // We want to use the windowBackground for the override context if it is
2580                    // available, otherwise we use the default one to make sure a themed starting
2581                    // window is displayed for the app.
2582                    if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow: apply overrideConfig"
2583                            + overrideConfig + " to starting window resId=" + resId);
2584                    context = overrideContext;
2585                }
2586            }
2587
2588            final PhoneWindow win = new PhoneWindow(context);
2589            win.setIsStartingWindow(true);
2590
2591            CharSequence label = context.getResources().getText(labelRes, null);
2592            // Only change the accessibility title if the label is localized
2593            if (label != null) {
2594                win.setTitle(label, true);
2595            } else {
2596                win.setTitle(nonLocalizedLabel, false);
2597            }
2598
2599            win.setType(
2600                WindowManager.LayoutParams.TYPE_APPLICATION_STARTING);
2601
2602            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
2603                // Assumes it's safe to show starting windows of launched apps while
2604                // the keyguard is being hidden. This is okay because starting windows never show
2605                // secret information.
2606                if (mKeyguardHidden) {
2607                    windowFlags |= FLAG_SHOW_WHEN_LOCKED;
2608                }
2609            }
2610
2611            // Force the window flags: this is a fake window, so it is not really
2612            // touchable or focusable by the user.  We also add in the ALT_FOCUSABLE_IM
2613            // flag because we do know that the next window will take input
2614            // focus, so we want to get the IME window up on top of us right away.
2615            win.setFlags(
2616                windowFlags|
2617                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2618                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2619                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
2620                windowFlags|
2621                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2622                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2623                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
2624
2625            win.setDefaultIcon(icon);
2626            win.setDefaultLogo(logo);
2627
2628            win.setLayout(WindowManager.LayoutParams.MATCH_PARENT,
2629                    WindowManager.LayoutParams.MATCH_PARENT);
2630
2631            final WindowManager.LayoutParams params = win.getAttributes();
2632            params.token = appToken;
2633            params.packageName = packageName;
2634            params.windowAnimations = win.getWindowStyle().getResourceId(
2635                    com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
2636            params.privateFlags |=
2637                    WindowManager.LayoutParams.PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED;
2638            params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
2639
2640            if (!compatInfo.supportsScreen()) {
2641                params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW;
2642            }
2643
2644            params.setTitle("Starting " + packageName);
2645
2646            wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
2647            view = win.getDecorView();
2648
2649            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "Adding starting window for "
2650                + packageName + " / " + appToken + ": " + (view.getParent() != null ? view : null));
2651
2652            wm.addView(view, params);
2653
2654            // Only return the view if it was successfully added to the
2655            // window manager... which we can tell by it having a parent.
2656            return view.getParent() != null ? view : null;
2657        } catch (WindowManager.BadTokenException e) {
2658            // ignore
2659            Log.w(TAG, appToken + " already running, starting window not displayed. " +
2660                    e.getMessage());
2661        } catch (RuntimeException e) {
2662            // don't crash if something else bad happens, for example a
2663            // failure loading resources because we are loading from an app
2664            // on external storage that has been unmounted.
2665            Log.w(TAG, appToken + " failed creating starting window", e);
2666        } finally {
2667            if (view != null && view.getParent() == null) {
2668                Log.w(TAG, "view not successfully added to wm, removing view");
2669                wm.removeViewImmediate(view);
2670            }
2671        }
2672
2673        return null;
2674    }
2675
2676    /** {@inheritDoc} */
2677    @Override
2678    public void removeStartingWindow(IBinder appToken, View window) {
2679        if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Removing starting window for " + appToken + ": "
2680                + window + " Callers=" + Debug.getCallers(4));
2681
2682        if (window != null) {
2683            WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
2684            wm.removeView(window);
2685        }
2686    }
2687
2688    /**
2689     * Preflight adding a window to the system.
2690     *
2691     * Currently enforces that three window types are singletons:
2692     * <ul>
2693     * <li>STATUS_BAR_TYPE</li>
2694     * <li>KEYGUARD_TYPE</li>
2695     * </ul>
2696     *
2697     * @param win The window to be added
2698     * @param attrs Information about the window to be added
2699     *
2700     * @return If ok, WindowManagerImpl.ADD_OKAY.  If too many singletons,
2701     * WindowManagerImpl.ADD_MULTIPLE_SINGLETON
2702     */
2703    @Override
2704    public int prepareAddWindowLw(WindowState win, WindowManager.LayoutParams attrs) {
2705        switch (attrs.type) {
2706            case TYPE_STATUS_BAR:
2707                mContext.enforceCallingOrSelfPermission(
2708                        android.Manifest.permission.STATUS_BAR_SERVICE,
2709                        "PhoneWindowManager");
2710                if (mStatusBar != null) {
2711                    if (mStatusBar.isAlive()) {
2712                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2713                    }
2714                }
2715                mStatusBar = win;
2716                mStatusBarController.setWindow(win);
2717                break;
2718            case TYPE_NAVIGATION_BAR:
2719                mContext.enforceCallingOrSelfPermission(
2720                        android.Manifest.permission.STATUS_BAR_SERVICE,
2721                        "PhoneWindowManager");
2722                if (mNavigationBar != null) {
2723                    if (mNavigationBar.isAlive()) {
2724                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2725                    }
2726                }
2727                mNavigationBar = win;
2728                mNavigationBarController.setWindow(win);
2729                if (DEBUG_LAYOUT) Slog.i(TAG, "NAVIGATION BAR: " + mNavigationBar);
2730                break;
2731            case TYPE_NAVIGATION_BAR_PANEL:
2732            case TYPE_STATUS_BAR_PANEL:
2733            case TYPE_STATUS_BAR_SUB_PANEL:
2734            case TYPE_VOICE_INTERACTION_STARTING:
2735                mContext.enforceCallingOrSelfPermission(
2736                        android.Manifest.permission.STATUS_BAR_SERVICE,
2737                        "PhoneWindowManager");
2738                break;
2739            case TYPE_KEYGUARD_SCRIM:
2740                if (mKeyguardScrim != null) {
2741                    return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2742                }
2743                mKeyguardScrim = win;
2744                break;
2745        }
2746        return WindowManagerGlobal.ADD_OKAY;
2747    }
2748
2749    /** {@inheritDoc} */
2750    @Override
2751    public void removeWindowLw(WindowState win) {
2752        if (mStatusBar == win) {
2753            mStatusBar = null;
2754            mStatusBarController.setWindow(null);
2755            mKeyguardDelegate.showScrim();
2756        } else if (mKeyguardScrim == win) {
2757            Log.v(TAG, "Removing keyguard scrim");
2758            mKeyguardScrim = null;
2759        } if (mNavigationBar == win) {
2760            mNavigationBar = null;
2761            mNavigationBarController.setWindow(null);
2762        }
2763    }
2764
2765    static final boolean PRINT_ANIM = false;
2766
2767    /** {@inheritDoc} */
2768    @Override
2769    public int selectAnimationLw(WindowState win, int transit) {
2770        if (PRINT_ANIM) Log.i(TAG, "selectAnimation in " + win
2771              + ": transit=" + transit);
2772        if (win == mStatusBar) {
2773            boolean isKeyguard = (win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
2774            if (transit == TRANSIT_EXIT
2775                    || transit == TRANSIT_HIDE) {
2776                return isKeyguard ? -1 : R.anim.dock_top_exit;
2777            } else if (transit == TRANSIT_ENTER
2778                    || transit == TRANSIT_SHOW) {
2779                return isKeyguard ? -1 : R.anim.dock_top_enter;
2780            }
2781        } else if (win == mNavigationBar) {
2782            if (win.getAttrs().windowAnimations != 0) {
2783                return 0;
2784            }
2785            // This can be on either the bottom or the right.
2786            if (mNavigationBarOnBottom) {
2787                if (transit == TRANSIT_EXIT
2788                        || transit == TRANSIT_HIDE) {
2789                    return R.anim.dock_bottom_exit;
2790                } else if (transit == TRANSIT_ENTER
2791                        || transit == TRANSIT_SHOW) {
2792                    return R.anim.dock_bottom_enter;
2793                }
2794            } else {
2795                if (transit == TRANSIT_EXIT
2796                        || transit == TRANSIT_HIDE) {
2797                    return R.anim.dock_right_exit;
2798                } else if (transit == TRANSIT_ENTER
2799                        || transit == TRANSIT_SHOW) {
2800                    return R.anim.dock_right_enter;
2801                }
2802            }
2803        } else if (win.getAttrs().type == TYPE_DOCK_DIVIDER) {
2804            return selectDockedDividerAnimationLw(win, transit);
2805        }
2806
2807        if (transit == TRANSIT_PREVIEW_DONE) {
2808            if (win.hasAppShownWindows()) {
2809                if (PRINT_ANIM) Log.i(TAG, "**** STARTING EXIT");
2810                return com.android.internal.R.anim.app_starting_exit;
2811            }
2812        } else if (win.getAttrs().type == TYPE_DREAM && mDreamingLockscreen
2813                && transit == TRANSIT_ENTER) {
2814            // Special case: we are animating in a dream, while the keyguard
2815            // is shown.  We don't want an animation on the dream, because
2816            // we need it shown immediately with the keyguard animating away
2817            // to reveal it.
2818            return -1;
2819        }
2820
2821        return 0;
2822    }
2823
2824    private int selectDockedDividerAnimationLw(WindowState win, int transit) {
2825        int insets = mWindowManagerFuncs.getDockedDividerInsetsLw();
2826
2827        // If the divider is behind the navigation bar, don't animate.
2828        final Rect frame = win.getFrameLw();
2829        final boolean behindNavBar = mNavigationBar != null
2830                && ((mNavigationBarOnBottom
2831                        && frame.top + insets >= mNavigationBar.getFrameLw().top)
2832                || (!mNavigationBarOnBottom
2833                        && frame.left + insets >= mNavigationBar.getFrameLw().left));
2834        final boolean landscape = frame.height() > frame.width();
2835        final boolean offscreenLandscape = landscape && (frame.right - insets <= 0
2836                || frame.left + insets >= win.getDisplayFrameLw().right);
2837        final boolean offscreenPortrait = !landscape && (frame.top - insets <= 0
2838                || frame.bottom + insets >= win.getDisplayFrameLw().bottom);
2839        final boolean offscreen = offscreenLandscape || offscreenPortrait;
2840        if (behindNavBar || offscreen) {
2841            return 0;
2842        }
2843        if (transit == TRANSIT_ENTER || transit == TRANSIT_SHOW) {
2844            return R.anim.fade_in;
2845        } else if (transit == TRANSIT_EXIT) {
2846            return R.anim.fade_out;
2847        } else {
2848            return 0;
2849        }
2850    }
2851
2852    @Override
2853    public void selectRotationAnimationLw(int anim[]) {
2854        if (PRINT_ANIM) Slog.i(TAG, "selectRotationAnimation mTopFullscreen="
2855                + mTopFullscreenOpaqueWindowState + " rotationAnimation="
2856                + (mTopFullscreenOpaqueWindowState == null ?
2857                        "0" : mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation));
2858        if (mTopFullscreenOpaqueWindowState != null && mTopIsFullscreen) {
2859            switch (mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation) {
2860                case ROTATION_ANIMATION_CROSSFADE:
2861                    anim[0] = R.anim.rotation_animation_xfade_exit;
2862                    anim[1] = R.anim.rotation_animation_enter;
2863                    break;
2864                case ROTATION_ANIMATION_JUMPCUT:
2865                    anim[0] = R.anim.rotation_animation_jump_exit;
2866                    anim[1] = R.anim.rotation_animation_enter;
2867                    break;
2868                case ROTATION_ANIMATION_ROTATE:
2869                default:
2870                    anim[0] = anim[1] = 0;
2871                    break;
2872            }
2873        } else {
2874            anim[0] = anim[1] = 0;
2875        }
2876    }
2877
2878    @Override
2879    public boolean validateRotationAnimationLw(int exitAnimId, int enterAnimId,
2880            boolean forceDefault) {
2881        switch (exitAnimId) {
2882            case R.anim.rotation_animation_xfade_exit:
2883            case R.anim.rotation_animation_jump_exit:
2884                // These are the only cases that matter.
2885                if (forceDefault) {
2886                    return false;
2887                }
2888                int anim[] = new int[2];
2889                selectRotationAnimationLw(anim);
2890                return (exitAnimId == anim[0] && enterAnimId == anim[1]);
2891            default:
2892                return true;
2893        }
2894    }
2895
2896    @Override
2897    public Animation createForceHideEnterAnimation(boolean onWallpaper,
2898            boolean goingToNotificationShade) {
2899        if (goingToNotificationShade) {
2900            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_behind_enter_fade_in);
2901        }
2902
2903        AnimationSet set = (AnimationSet) AnimationUtils.loadAnimation(mContext, onWallpaper ?
2904                    R.anim.lock_screen_behind_enter_wallpaper :
2905                    R.anim.lock_screen_behind_enter);
2906
2907        // TODO: Use XML interpolators when we have log interpolators available in XML.
2908        final List<Animation> animations = set.getAnimations();
2909        for (int i = animations.size() - 1; i >= 0; --i) {
2910            animations.get(i).setInterpolator(mLogDecelerateInterpolator);
2911        }
2912
2913        return set;
2914    }
2915
2916
2917    @Override
2918    public Animation createForceHideWallpaperExitAnimation(boolean goingToNotificationShade) {
2919        if (goingToNotificationShade) {
2920            return null;
2921        } else {
2922            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_wallpaper_exit);
2923        }
2924    }
2925
2926    private static void awakenDreams() {
2927        IDreamManager dreamManager = getDreamManager();
2928        if (dreamManager != null) {
2929            try {
2930                dreamManager.awaken();
2931            } catch (RemoteException e) {
2932                // fine, stay asleep then
2933            }
2934        }
2935    }
2936
2937    static IDreamManager getDreamManager() {
2938        return IDreamManager.Stub.asInterface(
2939                ServiceManager.checkService(DreamService.DREAM_SERVICE));
2940    }
2941
2942    TelecomManager getTelecommService() {
2943        return (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE);
2944    }
2945
2946    static IAudioService getAudioService() {
2947        IAudioService audioService = IAudioService.Stub.asInterface(
2948                ServiceManager.checkService(Context.AUDIO_SERVICE));
2949        if (audioService == null) {
2950            Log.w(TAG, "Unable to find IAudioService interface.");
2951        }
2952        return audioService;
2953    }
2954
2955    boolean keyguardOn() {
2956        return isKeyguardShowingAndNotOccluded() || inKeyguardRestrictedKeyInputMode();
2957    }
2958
2959    private static final int[] WINDOW_TYPES_WHERE_HOME_DOESNT_WORK = {
2960            WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
2961            WindowManager.LayoutParams.TYPE_SYSTEM_ERROR,
2962        };
2963
2964    /** {@inheritDoc} */
2965    @Override
2966    public long interceptKeyBeforeDispatching(WindowState win, KeyEvent event, int policyFlags) {
2967        final boolean keyguardOn = keyguardOn();
2968        final int keyCode = event.getKeyCode();
2969        final int repeatCount = event.getRepeatCount();
2970        final int metaState = event.getMetaState();
2971        final int flags = event.getFlags();
2972        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
2973        final boolean canceled = event.isCanceled();
2974
2975        if (DEBUG_INPUT) {
2976            Log.d(TAG, "interceptKeyTi keyCode=" + keyCode + " down=" + down + " repeatCount="
2977                    + repeatCount + " keyguardOn=" + keyguardOn + " mHomePressed=" + mHomePressed
2978                    + " canceled=" + canceled);
2979        }
2980
2981        // If we think we might have a volume down & power key chord on the way
2982        // but we're not sure, then tell the dispatcher to wait a little while and
2983        // try again later before dispatching.
2984        if (mScreenshotChordEnabled && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
2985            if (mScreenshotChordVolumeDownKeyTriggered && !mScreenshotChordPowerKeyTriggered) {
2986                final long now = SystemClock.uptimeMillis();
2987                final long timeoutTime = mScreenshotChordVolumeDownKeyTime
2988                        + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
2989                if (now < timeoutTime) {
2990                    return timeoutTime - now;
2991                }
2992            }
2993            if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
2994                    && mScreenshotChordVolumeDownKeyConsumed) {
2995                if (!down) {
2996                    mScreenshotChordVolumeDownKeyConsumed = false;
2997                }
2998                return -1;
2999            }
3000        }
3001
3002        // Cancel any pending meta actions if we see any other keys being pressed between the down
3003        // of the meta key and its corresponding up.
3004        if (mPendingMetaAction && !KeyEvent.isMetaKey(keyCode)) {
3005            mPendingMetaAction = false;
3006        }
3007        // Any key that is not Alt or Meta cancels Caps Lock combo tracking.
3008        if (mPendingCapsLockToggle && !KeyEvent.isMetaKey(keyCode) && !KeyEvent.isAltKey(keyCode)) {
3009            mPendingCapsLockToggle = false;
3010        }
3011
3012        // First we always handle the home key here, so applications
3013        // can never break it, although if keyguard is on, we do let
3014        // it handle it, because that gives us the correct 5 second
3015        // timeout.
3016        if (keyCode == KeyEvent.KEYCODE_HOME) {
3017
3018            // If we have released the home key, and didn't do anything else
3019            // while it was pressed, then it is time to go home!
3020            if (!down) {
3021                cancelPreloadRecentApps();
3022
3023                mHomePressed = false;
3024                if (mHomeConsumed) {
3025                    mHomeConsumed = false;
3026                    return -1;
3027                }
3028
3029                if (canceled) {
3030                    Log.i(TAG, "Ignoring HOME; event canceled.");
3031                    return -1;
3032                }
3033
3034                // If an incoming call is ringing, HOME is totally disabled.
3035                // (The user is already on the InCallUI at this point,
3036                // and his ONLY options are to answer or reject the call.)
3037                TelecomManager telecomManager = getTelecommService();
3038                if (telecomManager != null && telecomManager.isRinging()) {
3039                    Log.i(TAG, "Ignoring HOME; there's a ringing incoming call.");
3040                    return -1;
3041                }
3042
3043                // Delay handling home if a double-tap is possible.
3044                if (mDoubleTapOnHomeBehavior != DOUBLE_TAP_HOME_NOTHING) {
3045                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable); // just in case
3046                    mHomeDoubleTapPending = true;
3047                    mHandler.postDelayed(mHomeDoubleTapTimeoutRunnable,
3048                            ViewConfiguration.getDoubleTapTimeout());
3049                    return -1;
3050                }
3051
3052                handleShortPressOnHome();
3053                return -1;
3054            }
3055
3056            // If a system window has focus, then it doesn't make sense
3057            // right now to interact with applications.
3058            WindowManager.LayoutParams attrs = win != null ? win.getAttrs() : null;
3059            if (attrs != null) {
3060                final int type = attrs.type;
3061                if (type == WindowManager.LayoutParams.TYPE_KEYGUARD_SCRIM
3062                        || type == WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG
3063                        || (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
3064                    // the "app" is keyguard, so give it the key
3065                    return 0;
3066                }
3067                final int typeCount = WINDOW_TYPES_WHERE_HOME_DOESNT_WORK.length;
3068                for (int i=0; i<typeCount; i++) {
3069                    if (type == WINDOW_TYPES_WHERE_HOME_DOESNT_WORK[i]) {
3070                        // don't do anything, but also don't pass it to the app
3071                        return -1;
3072                    }
3073                }
3074            }
3075
3076            // Remember that home is pressed and handle special actions.
3077            if (repeatCount == 0) {
3078                mHomePressed = true;
3079                if (mHomeDoubleTapPending) {
3080                    mHomeDoubleTapPending = false;
3081                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable);
3082                    handleDoubleTapOnHome();
3083                } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI
3084                        || mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
3085                    preloadRecentApps();
3086                }
3087            } else if ((event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) {
3088                if (!keyguardOn) {
3089                    handleLongPressOnHome(event.getDeviceId());
3090                }
3091            }
3092            return -1;
3093        } else if (keyCode == KeyEvent.KEYCODE_MENU) {
3094            // Hijack modified menu keys for debugging features
3095            final int chordBug = KeyEvent.META_SHIFT_ON;
3096
3097            if (down && repeatCount == 0) {
3098                if (mEnableShiftMenuBugReports && (metaState & chordBug) == chordBug) {
3099                    Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
3100                    mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT,
3101                            null, null, null, 0, null, null);
3102                    return -1;
3103                } else if (SHOW_PROCESSES_ON_ALT_MENU &&
3104                        (metaState & KeyEvent.META_ALT_ON) == KeyEvent.META_ALT_ON) {
3105                    Intent service = new Intent();
3106                    service.setClassName(mContext, "com.android.server.LoadAverageService");
3107                    ContentResolver res = mContext.getContentResolver();
3108                    boolean shown = Settings.Global.getInt(
3109                            res, Settings.Global.SHOW_PROCESSES, 0) != 0;
3110                    if (!shown) {
3111                        mContext.startService(service);
3112                    } else {
3113                        mContext.stopService(service);
3114                    }
3115                    Settings.Global.putInt(
3116                            res, Settings.Global.SHOW_PROCESSES, shown ? 0 : 1);
3117                    return -1;
3118                }
3119            }
3120        } else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
3121            if (down) {
3122                if (repeatCount == 0) {
3123                    mSearchKeyShortcutPending = true;
3124                    mConsumeSearchKeyUp = false;
3125                }
3126            } else {
3127                mSearchKeyShortcutPending = false;
3128                if (mConsumeSearchKeyUp) {
3129                    mConsumeSearchKeyUp = false;
3130                    return -1;
3131                }
3132            }
3133            return 0;
3134        } else if (keyCode == KeyEvent.KEYCODE_APP_SWITCH) {
3135            if (!keyguardOn) {
3136                if (down && repeatCount == 0) {
3137                    preloadRecentApps();
3138                } else if (!down) {
3139                    toggleRecentApps();
3140                }
3141            }
3142            return -1;
3143        } else if (keyCode == KeyEvent.KEYCODE_N && event.isMetaPressed()) {
3144            if (down) {
3145                IStatusBarService service = getStatusBarService();
3146                if (service != null) {
3147                    try {
3148                        service.expandNotificationsPanel();
3149                    } catch (RemoteException e) {
3150                        // do nothing.
3151                    }
3152                }
3153            }
3154        } else if (keyCode == KeyEvent.KEYCODE_S && event.isMetaPressed()
3155                && event.isCtrlPressed()) {
3156            if (down && repeatCount == 0) {
3157                int type = event.isShiftPressed() ? TAKE_SCREENSHOT_SELECTED_REGION
3158                        : TAKE_SCREENSHOT_FULLSCREEN;
3159                mScreenshotRunnable.setScreenshotType(type);
3160                mHandler.post(mScreenshotRunnable);
3161                return -1;
3162            }
3163        } else if (keyCode == KeyEvent.KEYCODE_SLASH && event.isMetaPressed()) {
3164            if (down && repeatCount == 0 && !isKeyguardLocked()) {
3165                toggleKeyboardShortcutsMenu(event.getDeviceId());
3166            }
3167        } else if (keyCode == KeyEvent.KEYCODE_ASSIST) {
3168            if (down) {
3169                if (repeatCount == 0) {
3170                    mAssistKeyLongPressed = false;
3171                } else if (repeatCount == 1) {
3172                    mAssistKeyLongPressed = true;
3173                    if (!keyguardOn) {
3174                         launchAssistLongPressAction();
3175                    }
3176                }
3177            } else {
3178                if (mAssistKeyLongPressed) {
3179                    mAssistKeyLongPressed = false;
3180                } else {
3181                    if (!keyguardOn) {
3182                        launchAssistAction(null, event.getDeviceId());
3183                    }
3184                }
3185            }
3186            return -1;
3187        } else if (keyCode == KeyEvent.KEYCODE_VOICE_ASSIST) {
3188            if (!down) {
3189                Intent voiceIntent;
3190                if (!keyguardOn) {
3191                    voiceIntent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
3192                } else {
3193                    IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
3194                            ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
3195                    if (dic != null) {
3196                        try {
3197                            dic.exitIdle("voice-search");
3198                        } catch (RemoteException e) {
3199                        }
3200                    }
3201                    voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
3202                    voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, true);
3203                }
3204                startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
3205            }
3206        } else if (keyCode == KeyEvent.KEYCODE_SYSRQ) {
3207            if (down && repeatCount == 0) {
3208                mScreenshotRunnable.setScreenshotType(TAKE_SCREENSHOT_FULLSCREEN);
3209                mHandler.post(mScreenshotRunnable);
3210            }
3211            return -1;
3212        } else if (keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP
3213                || keyCode == KeyEvent.KEYCODE_BRIGHTNESS_DOWN) {
3214            if (down) {
3215                int direction = keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP ? 1 : -1;
3216
3217                // Disable autobrightness if it's on
3218                int auto = Settings.System.getIntForUser(
3219                        mContext.getContentResolver(),
3220                        Settings.System.SCREEN_BRIGHTNESS_MODE,
3221                        Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
3222                        UserHandle.USER_CURRENT_OR_SELF);
3223                if (auto != 0) {
3224                    Settings.System.putIntForUser(mContext.getContentResolver(),
3225                            Settings.System.SCREEN_BRIGHTNESS_MODE,
3226                            Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
3227                            UserHandle.USER_CURRENT_OR_SELF);
3228                }
3229
3230                int min = mPowerManager.getMinimumScreenBrightnessSetting();
3231                int max = mPowerManager.getMaximumScreenBrightnessSetting();
3232                int step = (max - min + BRIGHTNESS_STEPS - 1) / BRIGHTNESS_STEPS * direction;
3233                int brightness = Settings.System.getIntForUser(mContext.getContentResolver(),
3234                        Settings.System.SCREEN_BRIGHTNESS,
3235                        mPowerManager.getDefaultScreenBrightnessSetting(),
3236                        UserHandle.USER_CURRENT_OR_SELF);
3237                brightness += step;
3238                // Make sure we don't go beyond the limits.
3239                brightness = Math.min(max, brightness);
3240                brightness = Math.max(min, brightness);
3241
3242                Settings.System.putIntForUser(mContext.getContentResolver(),
3243                        Settings.System.SCREEN_BRIGHTNESS, brightness,
3244                        UserHandle.USER_CURRENT_OR_SELF);
3245                startActivityAsUser(new Intent(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG),
3246                        UserHandle.CURRENT_OR_SELF);
3247            }
3248            return -1;
3249        } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP
3250                || keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
3251                || keyCode == KeyEvent.KEYCODE_VOLUME_MUTE) {
3252            if (mUseTvRouting) {
3253                // On TVs volume keys never go to the foreground app.
3254                dispatchDirectAudioEvent(event);
3255                return -1;
3256            }
3257        }
3258
3259        // Toggle Caps Lock on META-ALT.
3260        boolean actionTriggered = false;
3261        if (KeyEvent.isModifierKey(keyCode)) {
3262            if (!mPendingCapsLockToggle) {
3263                // Start tracking meta state for combo.
3264                mInitialMetaState = mMetaState;
3265                mPendingCapsLockToggle = true;
3266            } else if (event.getAction() == KeyEvent.ACTION_UP) {
3267                int altOnMask = mMetaState & KeyEvent.META_ALT_MASK;
3268                int metaOnMask = mMetaState & KeyEvent.META_META_MASK;
3269
3270                // Check for Caps Lock toggle
3271                if ((metaOnMask != 0) && (altOnMask != 0)) {
3272                    // Check if nothing else is pressed
3273                    if (mInitialMetaState == (mMetaState ^ (altOnMask | metaOnMask))) {
3274                        // Handle Caps Lock Toggle
3275                        mInputManagerInternal.toggleCapsLock(event.getDeviceId());
3276                        actionTriggered = true;
3277                    }
3278                }
3279
3280                // Always stop tracking when key goes up.
3281                mPendingCapsLockToggle = false;
3282            }
3283        }
3284        // Store current meta state to be able to evaluate it later.
3285        mMetaState = metaState;
3286
3287        if (actionTriggered) {
3288            return -1;
3289        }
3290
3291        if (KeyEvent.isMetaKey(keyCode)) {
3292            if (down) {
3293                mPendingMetaAction = true;
3294            } else if (mPendingMetaAction) {
3295                launchAssistAction(Intent.EXTRA_ASSIST_INPUT_HINT_KEYBOARD, event.getDeviceId());
3296            }
3297            return -1;
3298        }
3299
3300        // Shortcuts are invoked through Search+key, so intercept those here
3301        // Any printing key that is chorded with Search should be consumed
3302        // even if no shortcut was invoked.  This prevents text from being
3303        // inadvertently inserted when using a keyboard that has built-in macro
3304        // shortcut keys (that emit Search+x) and some of them are not registered.
3305        if (mSearchKeyShortcutPending) {
3306            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3307            if (kcm.isPrintingKey(keyCode)) {
3308                mConsumeSearchKeyUp = true;
3309                mSearchKeyShortcutPending = false;
3310                if (down && repeatCount == 0 && !keyguardOn) {
3311                    Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState);
3312                    if (shortcutIntent != null) {
3313                        shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3314                        try {
3315                            startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3316                            dismissKeyboardShortcutsMenu();
3317                        } catch (ActivityNotFoundException ex) {
3318                            Slog.w(TAG, "Dropping shortcut key combination because "
3319                                    + "the activity to which it is registered was not found: "
3320                                    + "SEARCH+" + KeyEvent.keyCodeToString(keyCode), ex);
3321                        }
3322                    } else {
3323                        Slog.i(TAG, "Dropping unregistered shortcut key combination: "
3324                                + "SEARCH+" + KeyEvent.keyCodeToString(keyCode));
3325                    }
3326                }
3327                return -1;
3328            }
3329        }
3330
3331        // Invoke shortcuts using Meta.
3332        if (down && repeatCount == 0 && !keyguardOn
3333                && (metaState & KeyEvent.META_META_ON) != 0) {
3334            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3335            if (kcm.isPrintingKey(keyCode)) {
3336                Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode,
3337                        metaState & ~(KeyEvent.META_META_ON
3338                                | KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_RIGHT_ON));
3339                if (shortcutIntent != null) {
3340                    shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3341                    try {
3342                        startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3343                        dismissKeyboardShortcutsMenu();
3344                    } catch (ActivityNotFoundException ex) {
3345                        Slog.w(TAG, "Dropping shortcut key combination because "
3346                                + "the activity to which it is registered was not found: "
3347                                + "META+" + KeyEvent.keyCodeToString(keyCode), ex);
3348                    }
3349                    return -1;
3350                }
3351            }
3352        }
3353
3354        // Handle application launch keys.
3355        if (down && repeatCount == 0 && !keyguardOn) {
3356            String category = sApplicationLaunchKeyCategories.get(keyCode);
3357            if (category != null) {
3358                Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, category);
3359                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3360                try {
3361                    startActivityAsUser(intent, UserHandle.CURRENT);
3362                    dismissKeyboardShortcutsMenu();
3363                } catch (ActivityNotFoundException ex) {
3364                    Slog.w(TAG, "Dropping application launch key because "
3365                            + "the activity to which it is registered was not found: "
3366                            + "keyCode=" + keyCode + ", category=" + category, ex);
3367                }
3368                return -1;
3369            }
3370        }
3371
3372        // Display task switcher for ALT-TAB.
3373        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_TAB) {
3374            if (mRecentAppsHeldModifiers == 0 && !keyguardOn && isUserSetupComplete()) {
3375                final int shiftlessModifiers = event.getModifiers() & ~KeyEvent.META_SHIFT_MASK;
3376                if (KeyEvent.metaStateHasModifiers(shiftlessModifiers, KeyEvent.META_ALT_ON)) {
3377                    mRecentAppsHeldModifiers = shiftlessModifiers;
3378                    showRecentApps(true, false);
3379                    return -1;
3380                }
3381            }
3382        } else if (!down && mRecentAppsHeldModifiers != 0
3383                && (metaState & mRecentAppsHeldModifiers) == 0) {
3384            mRecentAppsHeldModifiers = 0;
3385            hideRecentApps(true, false);
3386        }
3387
3388        // Handle input method switching.
3389        if (down && repeatCount == 0
3390                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3391                        || (keyCode == KeyEvent.KEYCODE_SPACE
3392                                && (metaState & KeyEvent.META_META_MASK) != 0))) {
3393            final boolean forwardDirection = (metaState & KeyEvent.META_SHIFT_MASK) == 0;
3394            mWindowManagerFuncs.switchInputMethod(forwardDirection);
3395            return -1;
3396        }
3397        if (mLanguageSwitchKeyPressed && !down
3398                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3399                        || keyCode == KeyEvent.KEYCODE_SPACE)) {
3400            mLanguageSwitchKeyPressed = false;
3401            return -1;
3402        }
3403
3404        if (isValidGlobalKey(keyCode)
3405                && mGlobalKeyManager.handleGlobalKey(mContext, keyCode, event)) {
3406            return -1;
3407        }
3408
3409        if (down) {
3410            long shortcutCode = keyCode;
3411            if (event.isCtrlPressed()) {
3412                shortcutCode |= ((long) KeyEvent.META_CTRL_ON) << Integer.SIZE;
3413            }
3414
3415            if (event.isAltPressed()) {
3416                shortcutCode |= ((long) KeyEvent.META_ALT_ON) << Integer.SIZE;
3417            }
3418
3419            if (event.isShiftPressed()) {
3420                shortcutCode |= ((long) KeyEvent.META_SHIFT_ON) << Integer.SIZE;
3421            }
3422
3423            if (event.isMetaPressed()) {
3424                shortcutCode |= ((long) KeyEvent.META_META_ON) << Integer.SIZE;
3425            }
3426
3427            IShortcutService shortcutService = mShortcutKeyServices.get(shortcutCode);
3428            if (shortcutService != null) {
3429                try {
3430                    if (isUserSetupComplete()) {
3431                        shortcutService.notifyShortcutKeyPressed(shortcutCode);
3432                    }
3433                } catch (RemoteException e) {
3434                    mShortcutKeyServices.delete(shortcutCode);
3435                }
3436                return -1;
3437            }
3438        }
3439
3440        // Reserve all the META modifier combos for system behavior
3441        if ((metaState & KeyEvent.META_META_ON) != 0) {
3442            return -1;
3443        }
3444
3445        // Let the application handle the key.
3446        return 0;
3447    }
3448
3449    /** {@inheritDoc} */
3450    @Override
3451    public KeyEvent dispatchUnhandledKey(WindowState win, KeyEvent event, int policyFlags) {
3452        // Note: This method is only called if the initial down was unhandled.
3453        if (DEBUG_INPUT) {
3454            Slog.d(TAG, "Unhandled key: win=" + win + ", action=" + event.getAction()
3455                    + ", flags=" + event.getFlags()
3456                    + ", keyCode=" + event.getKeyCode()
3457                    + ", scanCode=" + event.getScanCode()
3458                    + ", metaState=" + event.getMetaState()
3459                    + ", repeatCount=" + event.getRepeatCount()
3460                    + ", policyFlags=" + policyFlags);
3461        }
3462
3463        KeyEvent fallbackEvent = null;
3464        if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
3465            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3466            final int keyCode = event.getKeyCode();
3467            final int metaState = event.getMetaState();
3468            final boolean initialDown = event.getAction() == KeyEvent.ACTION_DOWN
3469                    && event.getRepeatCount() == 0;
3470
3471            // Check for fallback actions specified by the key character map.
3472            final FallbackAction fallbackAction;
3473            if (initialDown) {
3474                fallbackAction = kcm.getFallbackAction(keyCode, metaState);
3475            } else {
3476                fallbackAction = mFallbackActions.get(keyCode);
3477            }
3478
3479            if (fallbackAction != null) {
3480                if (DEBUG_INPUT) {
3481                    Slog.d(TAG, "Fallback: keyCode=" + fallbackAction.keyCode
3482                            + " metaState=" + Integer.toHexString(fallbackAction.metaState));
3483                }
3484
3485                final int flags = event.getFlags() | KeyEvent.FLAG_FALLBACK;
3486                fallbackEvent = KeyEvent.obtain(
3487                        event.getDownTime(), event.getEventTime(),
3488                        event.getAction(), fallbackAction.keyCode,
3489                        event.getRepeatCount(), fallbackAction.metaState,
3490                        event.getDeviceId(), event.getScanCode(),
3491                        flags, event.getSource(), null);
3492
3493                if (!interceptFallback(win, fallbackEvent, policyFlags)) {
3494                    fallbackEvent.recycle();
3495                    fallbackEvent = null;
3496                }
3497
3498                if (initialDown) {
3499                    mFallbackActions.put(keyCode, fallbackAction);
3500                } else if (event.getAction() == KeyEvent.ACTION_UP) {
3501                    mFallbackActions.remove(keyCode);
3502                    fallbackAction.recycle();
3503                }
3504            }
3505        }
3506
3507        if (DEBUG_INPUT) {
3508            if (fallbackEvent == null) {
3509                Slog.d(TAG, "No fallback.");
3510            } else {
3511                Slog.d(TAG, "Performing fallback: " + fallbackEvent);
3512            }
3513        }
3514        return fallbackEvent;
3515    }
3516
3517    private boolean interceptFallback(WindowState win, KeyEvent fallbackEvent, int policyFlags) {
3518        int actions = interceptKeyBeforeQueueing(fallbackEvent, policyFlags);
3519        if ((actions & ACTION_PASS_TO_USER) != 0) {
3520            long delayMillis = interceptKeyBeforeDispatching(
3521                    win, fallbackEvent, policyFlags);
3522            if (delayMillis == 0) {
3523                return true;
3524            }
3525        }
3526        return false;
3527    }
3528
3529    @Override
3530    public void registerShortcutKey(long shortcutCode, IShortcutService shortcutService)
3531            throws RemoteException {
3532        synchronized (mLock) {
3533            IShortcutService service = mShortcutKeyServices.get(shortcutCode);
3534            if (service != null && service.asBinder().pingBinder()) {
3535                throw new RemoteException("Key already exists.");
3536            }
3537
3538            mShortcutKeyServices.put(shortcutCode, shortcutService);
3539        }
3540    }
3541
3542    private void launchAssistLongPressAction() {
3543        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
3544        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3545
3546        // launch the search activity
3547        Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
3548        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3549        try {
3550            // TODO: This only stops the factory-installed search manager.
3551            // Need to formalize an API to handle others
3552            SearchManager searchManager = getSearchManager();
3553            if (searchManager != null) {
3554                searchManager.stopSearch();
3555            }
3556            startActivityAsUser(intent, UserHandle.CURRENT);
3557        } catch (ActivityNotFoundException e) {
3558            Slog.w(TAG, "No activity to handle assist long press action.", e);
3559        }
3560    }
3561
3562    private void launchAssistAction(String hint, int deviceId) {
3563        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3564        if (!isUserSetupComplete()) {
3565            // Disable opening assist window during setup
3566            return;
3567        }
3568        Bundle args = null;
3569        if (deviceId > Integer.MIN_VALUE) {
3570            args = new Bundle();
3571            args.putInt(Intent.EXTRA_ASSIST_INPUT_DEVICE_ID, deviceId);
3572        }
3573        if ((mContext.getResources().getConfiguration().uiMode
3574                & Configuration.UI_MODE_TYPE_MASK) == Configuration.UI_MODE_TYPE_TELEVISION) {
3575            // On TV, use legacy handling until assistants are implemented in the proper way.
3576            ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
3577                    .launchLegacyAssist(hint, UserHandle.myUserId(), args);
3578        } else {
3579            if (hint != null) {
3580                if (args == null) {
3581                    args = new Bundle();
3582                }
3583                args.putBoolean(hint, true);
3584            }
3585            StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3586            if (statusbar != null) {
3587                statusbar.startAssist(args);
3588            }
3589        }
3590    }
3591
3592    private void startActivityAsUser(Intent intent, UserHandle handle) {
3593        if (isUserSetupComplete()) {
3594            mContext.startActivityAsUser(intent, handle);
3595        } else {
3596            Slog.i(TAG, "Not starting activity because user setup is in progress: " + intent);
3597        }
3598    }
3599
3600    private SearchManager getSearchManager() {
3601        if (mSearchManager == null) {
3602            mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
3603        }
3604        return mSearchManager;
3605    }
3606
3607    private void preloadRecentApps() {
3608        mPreloadedRecentApps = true;
3609        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3610        if (statusbar != null) {
3611            statusbar.preloadRecentApps();
3612        }
3613    }
3614
3615    private void cancelPreloadRecentApps() {
3616        if (mPreloadedRecentApps) {
3617            mPreloadedRecentApps = false;
3618            StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3619            if (statusbar != null) {
3620                statusbar.cancelPreloadRecentApps();
3621            }
3622        }
3623    }
3624
3625    private void toggleRecentApps() {
3626        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3627        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3628        if (statusbar != null) {
3629            statusbar.toggleRecentApps();
3630        }
3631    }
3632
3633    @Override
3634    public void showRecentApps(boolean fromHome) {
3635        mHandler.removeMessages(MSG_DISPATCH_SHOW_RECENTS);
3636        mHandler.obtainMessage(MSG_DISPATCH_SHOW_RECENTS, fromHome ? 1 : 0, 0).sendToTarget();
3637    }
3638
3639    private void showRecentApps(boolean triggeredFromAltTab, boolean fromHome) {
3640        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3641        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3642        if (statusbar != null) {
3643            statusbar.showRecentApps(triggeredFromAltTab, fromHome);
3644        }
3645    }
3646
3647    private void toggleKeyboardShortcutsMenu(int deviceId) {
3648        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3649        if (statusbar != null) {
3650            statusbar.toggleKeyboardShortcutsMenu(deviceId);
3651        }
3652    }
3653
3654    private void dismissKeyboardShortcutsMenu() {
3655        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3656        if (statusbar != null) {
3657            statusbar.dismissKeyboardShortcutsMenu();
3658        }
3659    }
3660
3661    private void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHome) {
3662        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3663        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3664        if (statusbar != null) {
3665            statusbar.hideRecentApps(triggeredFromAltTab, triggeredFromHome);
3666        }
3667    }
3668
3669    void launchHomeFromHotKey() {
3670        launchHomeFromHotKey(true /* awakenFromDreams */, true /*respectKeyguard*/);
3671    }
3672
3673    /**
3674     * A home key -> launch home action was detected.  Take the appropriate action
3675     * given the situation with the keyguard.
3676     */
3677    void launchHomeFromHotKey(final boolean awakenFromDreams, final boolean respectKeyguard) {
3678        if (respectKeyguard) {
3679            if (isKeyguardShowingAndNotOccluded()) {
3680                // don't launch home if keyguard showing
3681                return;
3682            }
3683
3684            if (!mHideLockScreen && mKeyguardDelegate.isInputRestricted()) {
3685                // when in keyguard restricted mode, must first verify unlock
3686                // before launching home
3687                mKeyguardDelegate.verifyUnlock(new OnKeyguardExitResult() {
3688                    @Override
3689                    public void onKeyguardExitResult(boolean success) {
3690                        if (success) {
3691                            try {
3692                                ActivityManagerNative.getDefault().stopAppSwitches();
3693                            } catch (RemoteException e) {
3694                            }
3695                            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3696                            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3697                        }
3698                    }
3699                });
3700                return;
3701            }
3702        }
3703
3704        // no keyguard stuff to worry about, just launch home!
3705        try {
3706            ActivityManagerNative.getDefault().stopAppSwitches();
3707        } catch (RemoteException e) {
3708        }
3709        if (mRecentsVisible) {
3710            // Hide Recents and notify it to launch Home
3711            if (awakenFromDreams) {
3712                awakenDreams();
3713            }
3714            hideRecentApps(false, true);
3715        } else {
3716            // Otherwise, just launch Home
3717            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3718            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3719        }
3720    }
3721
3722    private final Runnable mClearHideNavigationFlag = new Runnable() {
3723        @Override
3724        public void run() {
3725            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3726                // Clear flags.
3727                mForceClearedSystemUiFlags &=
3728                        ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3729            }
3730            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3731        }
3732    };
3733
3734    /**
3735     * Input handler used while nav bar is hidden.  Captures any touch on the screen,
3736     * to determine when the nav bar should be shown and prevent applications from
3737     * receiving those touches.
3738     */
3739    final class HideNavInputEventReceiver extends InputEventReceiver {
3740        public HideNavInputEventReceiver(InputChannel inputChannel, Looper looper) {
3741            super(inputChannel, looper);
3742        }
3743
3744        @Override
3745        public void onInputEvent(InputEvent event) {
3746            boolean handled = false;
3747            try {
3748                if (event instanceof MotionEvent
3749                        && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
3750                    final MotionEvent motionEvent = (MotionEvent)event;
3751                    if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
3752                        // When the user taps down, we re-show the nav bar.
3753                        boolean changed = false;
3754                        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3755                            if (mInputConsumer == null) {
3756                                return;
3757                            }
3758                            // Any user activity always causes us to show the
3759                            // navigation controls, if they had been hidden.
3760                            // We also clear the low profile and only content
3761                            // flags so that tapping on the screen will atomically
3762                            // restore all currently hidden screen decorations.
3763                            int newVal = mResettingSystemUiFlags |
3764                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
3765                                    View.SYSTEM_UI_FLAG_LOW_PROFILE |
3766                                    View.SYSTEM_UI_FLAG_FULLSCREEN;
3767                            if (mResettingSystemUiFlags != newVal) {
3768                                mResettingSystemUiFlags = newVal;
3769                                changed = true;
3770                            }
3771                            // We don't allow the system's nav bar to be hidden
3772                            // again for 1 second, to prevent applications from
3773                            // spamming us and keeping it from being shown.
3774                            newVal = mForceClearedSystemUiFlags |
3775                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3776                            if (mForceClearedSystemUiFlags != newVal) {
3777                                mForceClearedSystemUiFlags = newVal;
3778                                changed = true;
3779                                mHandler.postDelayed(mClearHideNavigationFlag, 1000);
3780                            }
3781                        }
3782                        if (changed) {
3783                            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3784                        }
3785                    }
3786                }
3787            } finally {
3788                finishInputEvent(event, handled);
3789            }
3790        }
3791    }
3792    final InputEventReceiver.Factory mHideNavInputEventReceiverFactory =
3793            new InputEventReceiver.Factory() {
3794        @Override
3795        public InputEventReceiver createInputEventReceiver(
3796                InputChannel inputChannel, Looper looper) {
3797            return new HideNavInputEventReceiver(inputChannel, looper);
3798        }
3799    };
3800
3801    @Override
3802    public int adjustSystemUiVisibilityLw(int visibility) {
3803        mStatusBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3804        mNavigationBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3805        mRecentsVisible = (visibility & View.RECENT_APPS_VISIBLE) > 0;
3806        mTvPictureInPictureVisible = (visibility & View.TV_PICTURE_IN_PICTURE_VISIBLE) > 0;
3807
3808        // Reset any bits in mForceClearingStatusBarVisibility that
3809        // are now clear.
3810        mResettingSystemUiFlags &= visibility;
3811        // Clear any bits in the new visibility that are currently being
3812        // force cleared, before reporting it.
3813        return visibility & ~mResettingSystemUiFlags
3814                & ~mForceClearedSystemUiFlags;
3815    }
3816
3817    @Override
3818    public boolean getInsetHintLw(WindowManager.LayoutParams attrs, Rect taskBounds,
3819            int displayRotation, int displayWidth, int displayHeight, Rect outContentInsets,
3820            Rect outStableInsets, Rect outOutsets) {
3821        final int fl = PolicyControl.getWindowFlags(null, attrs);
3822        final int sysuiVis = PolicyControl.getSystemUiVisibility(null, attrs);
3823        final int systemUiVisibility = (sysuiVis | attrs.subtreeSystemUiVisibility);
3824
3825        final boolean useOutsets = outOutsets != null && shouldUseOutsets(attrs, fl);
3826        if (useOutsets) {
3827            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
3828            if (outset > 0) {
3829                if (displayRotation == Surface.ROTATION_0) {
3830                    outOutsets.bottom += outset;
3831                } else if (displayRotation == Surface.ROTATION_90) {
3832                    outOutsets.right += outset;
3833                } else if (displayRotation == Surface.ROTATION_180) {
3834                    outOutsets.top += outset;
3835                } else if (displayRotation == Surface.ROTATION_270) {
3836                    outOutsets.left += outset;
3837                }
3838            }
3839        }
3840
3841        if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3842                == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3843            int availRight, availBottom;
3844            if (canHideNavigationBar() &&
3845                    (systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0) {
3846                availRight = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3847                availBottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3848            } else {
3849                availRight = mRestrictedScreenLeft + mRestrictedScreenWidth;
3850                availBottom = mRestrictedScreenTop + mRestrictedScreenHeight;
3851            }
3852            if ((systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3853                if ((fl & FLAG_FULLSCREEN) != 0) {
3854                    outContentInsets.set(mStableFullscreenLeft, mStableFullscreenTop,
3855                            availRight - mStableFullscreenRight,
3856                            availBottom - mStableFullscreenBottom);
3857                } else {
3858                    outContentInsets.set(mStableLeft, mStableTop,
3859                            availRight - mStableRight, availBottom - mStableBottom);
3860                }
3861            } else if ((fl & FLAG_FULLSCREEN) != 0 || (fl & FLAG_LAYOUT_IN_OVERSCAN) != 0) {
3862                outContentInsets.setEmpty();
3863            } else if ((systemUiVisibility & (View.SYSTEM_UI_FLAG_FULLSCREEN
3864                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)) == 0) {
3865                outContentInsets.set(mCurLeft, mCurTop,
3866                        availRight - mCurRight, availBottom - mCurBottom);
3867            } else {
3868                outContentInsets.set(mCurLeft, mCurTop,
3869                        availRight - mCurRight, availBottom - mCurBottom);
3870            }
3871
3872            outStableInsets.set(mStableLeft, mStableTop,
3873                    availRight - mStableRight, availBottom - mStableBottom);
3874            if (taskBounds != null) {
3875                calculateRelevantTaskInsets(taskBounds, outContentInsets,
3876                        displayWidth, displayHeight);
3877                calculateRelevantTaskInsets(taskBounds, outStableInsets,
3878                        displayWidth, displayHeight);
3879            }
3880            return mForceShowSystemBars;
3881        }
3882        outContentInsets.setEmpty();
3883        outStableInsets.setEmpty();
3884        return mForceShowSystemBars;
3885    }
3886
3887    /**
3888     * For any given task bounds, the insets relevant for these bounds given the insets relevant
3889     * for the entire display.
3890     */
3891    private void calculateRelevantTaskInsets(Rect taskBounds, Rect inOutInsets, int displayWidth,
3892            int displayHeight) {
3893        mTmpRect.set(0, 0, displayWidth, displayHeight);
3894        mTmpRect.inset(inOutInsets);
3895        mTmpRect.intersect(taskBounds);
3896        int leftInset = mTmpRect.left - taskBounds.left;
3897        int topInset = mTmpRect.top - taskBounds.top;
3898        int rightInset = taskBounds.right - mTmpRect.right;
3899        int bottomInset = taskBounds.bottom - mTmpRect.bottom;
3900        inOutInsets.set(leftInset, topInset, rightInset, bottomInset);
3901    }
3902
3903    private boolean shouldUseOutsets(WindowManager.LayoutParams attrs, int fl) {
3904        return attrs.type == TYPE_WALLPAPER || (fl & (WindowManager.LayoutParams.FLAG_FULLSCREEN
3905                | WindowManager.LayoutParams.FLAG_LAYOUT_IN_OVERSCAN)) != 0;
3906    }
3907
3908    /** {@inheritDoc} */
3909    @Override
3910    public void beginLayoutLw(boolean isDefaultDisplay, int displayWidth, int displayHeight,
3911                              int displayRotation, int uiMode) {
3912        mDisplayRotation = displayRotation;
3913        final int overscanLeft, overscanTop, overscanRight, overscanBottom;
3914        if (isDefaultDisplay) {
3915            switch (displayRotation) {
3916                case Surface.ROTATION_90:
3917                    overscanLeft = mOverscanTop;
3918                    overscanTop = mOverscanRight;
3919                    overscanRight = mOverscanBottom;
3920                    overscanBottom = mOverscanLeft;
3921                    break;
3922                case Surface.ROTATION_180:
3923                    overscanLeft = mOverscanRight;
3924                    overscanTop = mOverscanBottom;
3925                    overscanRight = mOverscanLeft;
3926                    overscanBottom = mOverscanTop;
3927                    break;
3928                case Surface.ROTATION_270:
3929                    overscanLeft = mOverscanBottom;
3930                    overscanTop = mOverscanLeft;
3931                    overscanRight = mOverscanTop;
3932                    overscanBottom = mOverscanRight;
3933                    break;
3934                default:
3935                    overscanLeft = mOverscanLeft;
3936                    overscanTop = mOverscanTop;
3937                    overscanRight = mOverscanRight;
3938                    overscanBottom = mOverscanBottom;
3939                    break;
3940            }
3941        } else {
3942            overscanLeft = 0;
3943            overscanTop = 0;
3944            overscanRight = 0;
3945            overscanBottom = 0;
3946        }
3947        mOverscanScreenLeft = mRestrictedOverscanScreenLeft = 0;
3948        mOverscanScreenTop = mRestrictedOverscanScreenTop = 0;
3949        mOverscanScreenWidth = mRestrictedOverscanScreenWidth = displayWidth;
3950        mOverscanScreenHeight = mRestrictedOverscanScreenHeight = displayHeight;
3951        mSystemLeft = 0;
3952        mSystemTop = 0;
3953        mSystemRight = displayWidth;
3954        mSystemBottom = displayHeight;
3955        mUnrestrictedScreenLeft = overscanLeft;
3956        mUnrestrictedScreenTop = overscanTop;
3957        mUnrestrictedScreenWidth = displayWidth - overscanLeft - overscanRight;
3958        mUnrestrictedScreenHeight = displayHeight - overscanTop - overscanBottom;
3959        mRestrictedScreenLeft = mUnrestrictedScreenLeft;
3960        mRestrictedScreenTop = mUnrestrictedScreenTop;
3961        mRestrictedScreenWidth = mSystemGestures.screenWidth = mUnrestrictedScreenWidth;
3962        mRestrictedScreenHeight = mSystemGestures.screenHeight = mUnrestrictedScreenHeight;
3963        mDockLeft = mContentLeft = mVoiceContentLeft = mStableLeft = mStableFullscreenLeft
3964                = mCurLeft = mUnrestrictedScreenLeft;
3965        mDockTop = mContentTop = mVoiceContentTop = mStableTop = mStableFullscreenTop
3966                = mCurTop = mUnrestrictedScreenTop;
3967        mDockRight = mContentRight = mVoiceContentRight = mStableRight = mStableFullscreenRight
3968                = mCurRight = displayWidth - overscanRight;
3969        mDockBottom = mContentBottom = mVoiceContentBottom = mStableBottom = mStableFullscreenBottom
3970                = mCurBottom = displayHeight - overscanBottom;
3971        mDockLayer = 0x10000000;
3972        mStatusBarLayer = -1;
3973
3974        // start with the current dock rect, which will be (0,0,displayWidth,displayHeight)
3975        final Rect pf = mTmpParentFrame;
3976        final Rect df = mTmpDisplayFrame;
3977        final Rect of = mTmpOverscanFrame;
3978        final Rect vf = mTmpVisibleFrame;
3979        final Rect dcf = mTmpDecorFrame;
3980        pf.left = df.left = of.left = vf.left = mDockLeft;
3981        pf.top = df.top = of.top = vf.top = mDockTop;
3982        pf.right = df.right = of.right = vf.right = mDockRight;
3983        pf.bottom = df.bottom = of.bottom = vf.bottom = mDockBottom;
3984        dcf.setEmpty();  // Decor frame N/A for system bars.
3985
3986        if (isDefaultDisplay) {
3987            // For purposes of putting out fake window up to steal focus, we will
3988            // drive nav being hidden only by whether it is requested.
3989            final int sysui = mLastSystemUiFlags;
3990            boolean navVisible = (sysui & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0;
3991            boolean navTranslucent = (sysui
3992                    & (View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT)) != 0;
3993            boolean immersive = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
3994            boolean immersiveSticky = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
3995            boolean navAllowedHidden = immersive || immersiveSticky;
3996            navTranslucent &= !immersiveSticky;  // transient trumps translucent
3997            boolean isKeyguardShowing = isStatusBarKeyguard() && !mHideLockScreen;
3998            if (!isKeyguardShowing) {
3999                navTranslucent &= areTranslucentBarsAllowed();
4000            }
4001            boolean statusBarExpandedNotKeyguard = !isKeyguardShowing && mStatusBar != null
4002                    && mStatusBar.getAttrs().height == MATCH_PARENT
4003                    && mStatusBar.getAttrs().width == MATCH_PARENT;
4004
4005            // When the navigation bar isn't visible, we put up a fake
4006            // input window to catch all touch events.  This way we can
4007            // detect when the user presses anywhere to bring back the nav
4008            // bar and ensure the application doesn't see the event.
4009            if (navVisible || navAllowedHidden) {
4010                if (mInputConsumer != null) {
4011                    mHandler.sendMessage(
4012                            mHandler.obtainMessage(MSG_DISPOSE_INPUT_CONSUMER, mInputConsumer));
4013                    mInputConsumer = null;
4014                }
4015            } else if (mInputConsumer == null) {
4016                mInputConsumer = mWindowManagerFuncs.addInputConsumer(mHandler.getLooper(),
4017                        mHideNavInputEventReceiverFactory);
4018            }
4019
4020            // For purposes of positioning and showing the nav bar, if we have
4021            // decided that it can't be hidden (because of the screen aspect ratio),
4022            // then take that into account.
4023            navVisible |= !canHideNavigationBar();
4024
4025            boolean updateSysUiVisibility = layoutNavigationBar(displayWidth, displayHeight,
4026                    displayRotation, uiMode, overscanRight, overscanBottom, dcf, navVisible, navTranslucent,
4027                    navAllowedHidden, statusBarExpandedNotKeyguard);
4028            if (DEBUG_LAYOUT) Slog.i(TAG, String.format("mDock rect: (%d,%d - %d,%d)",
4029                    mDockLeft, mDockTop, mDockRight, mDockBottom));
4030            updateSysUiVisibility |= layoutStatusBar(pf, df, of, vf, dcf, sysui, isKeyguardShowing);
4031            if (updateSysUiVisibility) {
4032                updateSystemUiVisibilityLw();
4033            }
4034        }
4035    }
4036
4037    private boolean layoutStatusBar(Rect pf, Rect df, Rect of, Rect vf, Rect dcf, int sysui,
4038            boolean isKeyguardShowing) {
4039        // decide where the status bar goes ahead of time
4040        if (mStatusBar != null) {
4041            // apply any navigation bar insets
4042            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4043            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4044            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
4045            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight
4046                    + mUnrestrictedScreenTop;
4047            vf.left = mStableLeft;
4048            vf.top = mStableTop;
4049            vf.right = mStableRight;
4050            vf.bottom = mStableBottom;
4051
4052            mStatusBarLayer = mStatusBar.getSurfaceLayer();
4053
4054            // Let the status bar determine its size.
4055            mStatusBar.computeFrameLw(pf /* parentFrame */, df /* displayFrame */,
4056                    vf /* overlayFrame */, vf /* contentFrame */, vf /* visibleFrame */,
4057                    dcf /* decorFrame */, vf /* stableFrame */, vf /* outsetFrame */);
4058
4059            // For layout, the status bar is always at the top with our fixed height.
4060            mStableTop = mUnrestrictedScreenTop + mStatusBarHeight;
4061
4062            boolean statusBarTransient = (sysui & View.STATUS_BAR_TRANSIENT) != 0;
4063            boolean statusBarTranslucent = (sysui
4064                    & (View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT)) != 0;
4065            if (!isKeyguardShowing) {
4066                statusBarTranslucent &= areTranslucentBarsAllowed();
4067            }
4068
4069            // If the status bar is hidden, we don't want to cause
4070            // windows behind it to scroll.
4071            if (mStatusBar.isVisibleLw() && !statusBarTransient) {
4072                // Status bar may go away, so the screen area it occupies
4073                // is available to apps but just covering them when the
4074                // status bar is visible.
4075                mDockTop = mUnrestrictedScreenTop + mStatusBarHeight;
4076
4077                mContentTop = mVoiceContentTop = mCurTop = mDockTop;
4078                mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
4079                mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
4080                mContentRight = mVoiceContentRight = mCurRight = mDockRight;
4081
4082                if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar: " +
4083                        String.format(
4084                                "dock=[%d,%d][%d,%d] content=[%d,%d][%d,%d] cur=[%d,%d][%d,%d]",
4085                                mDockLeft, mDockTop, mDockRight, mDockBottom,
4086                                mContentLeft, mContentTop, mContentRight, mContentBottom,
4087                                mCurLeft, mCurTop, mCurRight, mCurBottom));
4088            }
4089            if (mStatusBar.isVisibleLw() && !mStatusBar.isAnimatingLw()
4090                    && !statusBarTransient && !statusBarTranslucent
4091                    && !mStatusBarController.wasRecentlyTranslucent()) {
4092                // If the opaque status bar is currently requested to be visible,
4093                // and not in the process of animating on or off, then
4094                // we can tell the app that it is covered by it.
4095                mSystemTop = mUnrestrictedScreenTop + mStatusBarHeight;
4096            }
4097            if (mStatusBarController.checkHiddenLw()) {
4098                return true;
4099            }
4100        }
4101        return false;
4102    }
4103
4104    private boolean layoutNavigationBar(int displayWidth, int displayHeight, int displayRotation,
4105            int uiMode, int overscanRight, int overscanBottom, Rect dcf, boolean navVisible,
4106            boolean navTranslucent, boolean navAllowedHidden,
4107            boolean statusBarExpandedNotKeyguard) {
4108        if (mNavigationBar != null) {
4109            boolean transientNavBarShowing = mNavigationBarController.isTransientShowing();
4110            // Force the navigation bar to its appropriate place and
4111            // size.  We need to do this directly, instead of relying on
4112            // it to bubble up from the nav bar, because this needs to
4113            // change atomically with screen rotations.
4114            mNavigationBarOnBottom = isNavigationBarOnBottom(displayWidth, displayHeight);
4115            if (mNavigationBarOnBottom) {
4116                // It's a system nav bar or a portrait screen; nav bar goes on bottom.
4117                int top = displayHeight - overscanBottom
4118                        - getNavigationBarHeight(displayRotation, uiMode);
4119                mTmpNavigationFrame.set(0, top, displayWidth, displayHeight - overscanBottom);
4120                mStableBottom = mStableFullscreenBottom = mTmpNavigationFrame.top;
4121                if (transientNavBarShowing) {
4122                    mNavigationBarController.setBarShowingLw(true);
4123                } else if (navVisible) {
4124                    mNavigationBarController.setBarShowingLw(true);
4125                    mDockBottom = mTmpNavigationFrame.top;
4126                    mRestrictedScreenHeight = mDockBottom - mRestrictedScreenTop;
4127                    mRestrictedOverscanScreenHeight = mDockBottom - mRestrictedOverscanScreenTop;
4128                } else {
4129                    // We currently want to hide the navigation UI - unless we expanded the status
4130                    // bar.
4131                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4132                }
4133                if (navVisible && !navTranslucent && !navAllowedHidden
4134                        && !mNavigationBar.isAnimatingLw()
4135                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4136                    // If the opaque nav bar is currently requested to be visible,
4137                    // and not in the process of animating on or off, then
4138                    // we can tell the app that it is covered by it.
4139                    mSystemBottom = mTmpNavigationFrame.top;
4140                }
4141            } else {
4142                // Landscape screen; nav bar goes to the right.
4143                int left = displayWidth - overscanRight
4144                        - getNavigationBarWidth(displayRotation, uiMode);
4145                mTmpNavigationFrame.set(left, 0, displayWidth - overscanRight, displayHeight);
4146                mStableRight = mStableFullscreenRight = mTmpNavigationFrame.left;
4147                if (transientNavBarShowing) {
4148                    mNavigationBarController.setBarShowingLw(true);
4149                } else if (navVisible) {
4150                    mNavigationBarController.setBarShowingLw(true);
4151                    mDockRight = mTmpNavigationFrame.left;
4152                    mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
4153                    mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
4154                } else {
4155                    // We currently want to hide the navigation UI - unless we expanded the status
4156                    // bar.
4157                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4158                }
4159                if (navVisible && !navTranslucent && !navAllowedHidden
4160                        && !mNavigationBar.isAnimatingLw()
4161                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4162                    // If the nav bar is currently requested to be visible,
4163                    // and not in the process of animating on or off, then
4164                    // we can tell the app that it is covered by it.
4165                    mSystemRight = mTmpNavigationFrame.left;
4166                }
4167            }
4168            // Make sure the content and current rectangles are updated to
4169            // account for the restrictions from the navigation bar.
4170            mContentTop = mVoiceContentTop = mCurTop = mDockTop;
4171            mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
4172            mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
4173            mContentRight = mVoiceContentRight = mCurRight = mDockRight;
4174            mStatusBarLayer = mNavigationBar.getSurfaceLayer();
4175            // And compute the final frame.
4176            mNavigationBar.computeFrameLw(mTmpNavigationFrame, mTmpNavigationFrame,
4177                    mTmpNavigationFrame, mTmpNavigationFrame, mTmpNavigationFrame, dcf,
4178                    mTmpNavigationFrame, mTmpNavigationFrame);
4179            if (DEBUG_LAYOUT) Slog.i(TAG, "mNavigationBar frame: " + mTmpNavigationFrame);
4180            if (mNavigationBarController.checkHiddenLw()) {
4181                return true;
4182            }
4183        }
4184        return false;
4185    }
4186
4187    private boolean isNavigationBarOnBottom(int displayWidth, int displayHeight) {
4188        return !mNavigationBarCanMove || displayWidth < displayHeight;
4189    }
4190
4191    /** {@inheritDoc} */
4192    @Override
4193    public int getSystemDecorLayerLw() {
4194        if (mStatusBar != null && mStatusBar.isVisibleLw()) {
4195            return mStatusBar.getSurfaceLayer();
4196        }
4197
4198        if (mNavigationBar != null && mNavigationBar.isVisibleLw()) {
4199            return mNavigationBar.getSurfaceLayer();
4200        }
4201
4202        return 0;
4203    }
4204
4205    @Override
4206    public void getContentRectLw(Rect r) {
4207        r.set(mContentLeft, mContentTop, mContentRight, mContentBottom);
4208    }
4209
4210    void setAttachedWindowFrames(WindowState win, int fl, int adjust, WindowState attached,
4211            boolean insetDecors, Rect pf, Rect df, Rect of, Rect cf, Rect vf) {
4212        if (win.getSurfaceLayer() > mDockLayer && attached.getSurfaceLayer() < mDockLayer) {
4213            // Here's a special case: if this attached window is a panel that is
4214            // above the dock window, and the window it is attached to is below
4215            // the dock window, then the frames we computed for the window it is
4216            // attached to can not be used because the dock is effectively part
4217            // of the underlying window and the attached window is floating on top
4218            // of the whole thing.  So, we ignore the attached window and explicitly
4219            // compute the frames that would be appropriate without the dock.
4220            df.left = of.left = cf.left = vf.left = mDockLeft;
4221            df.top = of.top = cf.top = vf.top = mDockTop;
4222            df.right = of.right = cf.right = vf.right = mDockRight;
4223            df.bottom = of.bottom = cf.bottom = vf.bottom = mDockBottom;
4224        } else {
4225            // The effective display frame of the attached window depends on
4226            // whether it is taking care of insetting its content.  If not,
4227            // we need to use the parent's content frame so that the entire
4228            // window is positioned within that content.  Otherwise we can use
4229            // the overscan frame and let the attached window take care of
4230            // positioning its content appropriately.
4231            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4232                // Set the content frame of the attached window to the parent's decor frame
4233                // (same as content frame when IME isn't present) if specifically requested by
4234                // setting {@link WindowManager.LayoutParams#FLAG_LAYOUT_ATTACHED_IN_DECOR} flag.
4235                // Otherwise, use the overscan frame.
4236                cf.set((fl & FLAG_LAYOUT_ATTACHED_IN_DECOR) != 0
4237                        ? attached.getContentFrameLw() : attached.getOverscanFrameLw());
4238            } else {
4239                // If the window is resizing, then we want to base the content
4240                // frame on our attached content frame to resize...  however,
4241                // things can be tricky if the attached window is NOT in resize
4242                // mode, in which case its content frame will be larger.
4243                // Ungh.  So to deal with that, make sure the content frame
4244                // we end up using is not covering the IM dock.
4245                cf.set(attached.getContentFrameLw());
4246                if (attached.isVoiceInteraction()) {
4247                    if (cf.left < mVoiceContentLeft) cf.left = mVoiceContentLeft;
4248                    if (cf.top < mVoiceContentTop) cf.top = mVoiceContentTop;
4249                    if (cf.right > mVoiceContentRight) cf.right = mVoiceContentRight;
4250                    if (cf.bottom > mVoiceContentBottom) cf.bottom = mVoiceContentBottom;
4251                } else if (attached.getSurfaceLayer() < mDockLayer) {
4252                    if (cf.left < mContentLeft) cf.left = mContentLeft;
4253                    if (cf.top < mContentTop) cf.top = mContentTop;
4254                    if (cf.right > mContentRight) cf.right = mContentRight;
4255                    if (cf.bottom > mContentBottom) cf.bottom = mContentBottom;
4256                }
4257            }
4258            df.set(insetDecors ? attached.getDisplayFrameLw() : cf);
4259            of.set(insetDecors ? attached.getOverscanFrameLw() : cf);
4260            vf.set(attached.getVisibleFrameLw());
4261        }
4262        // The LAYOUT_IN_SCREEN flag is used to determine whether the attached
4263        // window should be positioned relative to its parent or the entire
4264        // screen.
4265        pf.set((fl & FLAG_LAYOUT_IN_SCREEN) == 0
4266                ? attached.getFrameLw() : df);
4267    }
4268
4269    private void applyStableConstraints(int sysui, int fl, Rect r) {
4270        if ((sysui & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
4271            // If app is requesting a stable layout, don't let the
4272            // content insets go below the stable values.
4273            if ((fl & FLAG_FULLSCREEN) != 0) {
4274                if (r.left < mStableFullscreenLeft) r.left = mStableFullscreenLeft;
4275                if (r.top < mStableFullscreenTop) r.top = mStableFullscreenTop;
4276                if (r.right > mStableFullscreenRight) r.right = mStableFullscreenRight;
4277                if (r.bottom > mStableFullscreenBottom) r.bottom = mStableFullscreenBottom;
4278            } else {
4279                if (r.left < mStableLeft) r.left = mStableLeft;
4280                if (r.top < mStableTop) r.top = mStableTop;
4281                if (r.right > mStableRight) r.right = mStableRight;
4282                if (r.bottom > mStableBottom) r.bottom = mStableBottom;
4283            }
4284        }
4285    }
4286
4287    private boolean canReceiveInput(WindowState win) {
4288        boolean notFocusable =
4289                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) != 0;
4290        boolean altFocusableIm =
4291                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM) != 0;
4292        boolean notFocusableForIm = notFocusable ^ altFocusableIm;
4293        return !notFocusableForIm;
4294    }
4295
4296    /** {@inheritDoc} */
4297    @Override
4298    public void layoutWindowLw(WindowState win, WindowState attached) {
4299        // We've already done the navigation bar and status bar. If the status bar can receive
4300        // input, we need to layout it again to accomodate for the IME window.
4301        if ((win == mStatusBar && !canReceiveInput(win)) || win == mNavigationBar) {
4302            return;
4303        }
4304        final WindowManager.LayoutParams attrs = win.getAttrs();
4305        final boolean isDefaultDisplay = win.isDefaultDisplay();
4306        final boolean needsToOffsetInputMethodTarget = isDefaultDisplay &&
4307                (win == mLastInputMethodTargetWindow && mLastInputMethodWindow != null);
4308        if (needsToOffsetInputMethodTarget) {
4309            if (DEBUG_LAYOUT) Slog.i(TAG, "Offset ime target window by the last ime window state");
4310            offsetInputMethodWindowLw(mLastInputMethodWindow);
4311        }
4312
4313        final int fl = PolicyControl.getWindowFlags(win, attrs);
4314        final int pfl = attrs.privateFlags;
4315        final int sim = attrs.softInputMode;
4316        final int sysUiFl = PolicyControl.getSystemUiVisibility(win, null);
4317
4318        final Rect pf = mTmpParentFrame;
4319        final Rect df = mTmpDisplayFrame;
4320        final Rect of = mTmpOverscanFrame;
4321        final Rect cf = mTmpContentFrame;
4322        final Rect vf = mTmpVisibleFrame;
4323        final Rect dcf = mTmpDecorFrame;
4324        final Rect sf = mTmpStableFrame;
4325        Rect osf = null;
4326        dcf.setEmpty();
4327
4328        final boolean hasNavBar = (isDefaultDisplay && mHasNavigationBar
4329                && mNavigationBar != null && mNavigationBar.isVisibleLw());
4330
4331        final int adjust = sim & SOFT_INPUT_MASK_ADJUST;
4332
4333        if (isDefaultDisplay) {
4334            sf.set(mStableLeft, mStableTop, mStableRight, mStableBottom);
4335        } else {
4336            sf.set(mOverscanLeft, mOverscanTop, mOverscanRight, mOverscanBottom);
4337        }
4338
4339        if (!isDefaultDisplay) {
4340            if (attached != null) {
4341                // If this window is attached to another, our display
4342                // frame is the same as the one we are attached to.
4343                setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4344            } else {
4345                // Give the window full screen.
4346                pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4347                pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4348                pf.right = df.right = of.right = cf.right
4349                        = mOverscanScreenLeft + mOverscanScreenWidth;
4350                pf.bottom = df.bottom = of.bottom = cf.bottom
4351                        = mOverscanScreenTop + mOverscanScreenHeight;
4352            }
4353        } else if (attrs.type == TYPE_INPUT_METHOD) {
4354            pf.left = df.left = of.left = cf.left = vf.left = mDockLeft;
4355            pf.top = df.top = of.top = cf.top = vf.top = mDockTop;
4356            pf.right = df.right = of.right = cf.right = vf.right = mDockRight;
4357            // IM dock windows layout below the nav bar...
4358            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4359            // ...with content insets above the nav bar
4360            cf.bottom = vf.bottom = mStableBottom;
4361            if (mStatusBar != null && mFocusedWindow == mStatusBar && canReceiveInput(mStatusBar)) {
4362                // The status bar forces the navigation bar while it's visible. Make sure the IME
4363                // avoids the navigation bar in that case.
4364                pf.right = df.right = of.right = cf.right = vf.right = mStableRight;
4365            }
4366            // IM dock windows always go to the bottom of the screen.
4367            attrs.gravity = Gravity.BOTTOM;
4368            mDockLayer = win.getSurfaceLayer();
4369        } else if (attrs.type == TYPE_VOICE_INTERACTION) {
4370            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4371            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4372            pf.right = df.right = of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4373            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4374            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4375                cf.left = mDockLeft;
4376                cf.top = mDockTop;
4377                cf.right = mDockRight;
4378                cf.bottom = mDockBottom;
4379            } else {
4380                cf.left = mContentLeft;
4381                cf.top = mContentTop;
4382                cf.right = mContentRight;
4383                cf.bottom = mContentBottom;
4384            }
4385            if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4386                vf.left = mCurLeft;
4387                vf.top = mCurTop;
4388                vf.right = mCurRight;
4389                vf.bottom = mCurBottom;
4390            } else {
4391                vf.set(cf);
4392            }
4393        } else if (win == mStatusBar) {
4394            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4395            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4396            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
4397            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight + mUnrestrictedScreenTop;
4398            cf.left = vf.left = mStableLeft;
4399            cf.top = vf.top = mStableTop;
4400            cf.right = vf.right = mStableRight;
4401            vf.bottom = mStableBottom;
4402
4403            if (adjust == SOFT_INPUT_ADJUST_RESIZE) {
4404                cf.bottom = mContentBottom;
4405            } else {
4406                cf.bottom = mDockBottom;
4407                vf.bottom = mContentBottom;
4408            }
4409        } else {
4410
4411            // Default policy decor for the default display
4412            dcf.left = mSystemLeft;
4413            dcf.top = mSystemTop;
4414            dcf.right = mSystemRight;
4415            dcf.bottom = mSystemBottom;
4416            final boolean inheritTranslucentDecor = (attrs.privateFlags
4417                    & WindowManager.LayoutParams.PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR) != 0;
4418            final boolean isAppWindow =
4419                    attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW &&
4420                    attrs.type <= WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
4421            final boolean topAtRest =
4422                    win == mTopFullscreenOpaqueWindowState && !win.isAnimatingLw();
4423            if (isAppWindow && !inheritTranslucentDecor && !topAtRest) {
4424                if ((sysUiFl & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0
4425                        && (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) == 0
4426                        && (fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) == 0
4427                        && (fl & WindowManager.LayoutParams.
4428                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0
4429                        && (pfl & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND) == 0) {
4430                    // Ensure policy decor includes status bar
4431                    dcf.top = mStableTop;
4432                }
4433                if ((fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) == 0
4434                        && (sysUiFl & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0
4435                        && (fl & WindowManager.LayoutParams.
4436                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
4437                    // Ensure policy decor includes navigation bar
4438                    dcf.bottom = mStableBottom;
4439                    dcf.right = mStableRight;
4440                }
4441            }
4442
4443            if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
4444                    == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
4445                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle()
4446                            + "): IN_SCREEN, INSET_DECOR");
4447                // This is the case for a normal activity window: we want it
4448                // to cover all of the screen space, and it can take care of
4449                // moving its contents to account for screen decorations that
4450                // intrude into that space.
4451                if (attached != null) {
4452                    // If this window is attached to another, our display
4453                    // frame is the same as the one we are attached to.
4454                    setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4455                } else {
4456                    if (attrs.type == TYPE_STATUS_BAR_PANEL
4457                            || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
4458                        // Status bar panels are the only windows who can go on top of
4459                        // the status bar.  They are protected by the STATUS_BAR_SERVICE
4460                        // permission, so they have the same privileges as the status
4461                        // bar itself.
4462                        //
4463                        // However, they should still dodge the navigation bar if it exists.
4464
4465                        pf.left = df.left = of.left = hasNavBar
4466                                ? mDockLeft : mUnrestrictedScreenLeft;
4467                        pf.top = df.top = of.top = mUnrestrictedScreenTop;
4468                        pf.right = df.right = of.right = hasNavBar
4469                                ? mRestrictedScreenLeft+mRestrictedScreenWidth
4470                                : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4471                        pf.bottom = df.bottom = of.bottom = hasNavBar
4472                                ? mRestrictedScreenTop+mRestrictedScreenHeight
4473                                : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4474
4475                        if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4476                                        "Laying out status bar window: (%d,%d - %d,%d)",
4477                                        pf.left, pf.top, pf.right, pf.bottom));
4478                    } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4479                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4480                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4481                        // Asking to layout into the overscan region, so give it that pure
4482                        // unrestricted area.
4483                        pf.left = df.left = of.left = mOverscanScreenLeft;
4484                        pf.top = df.top = of.top = mOverscanScreenTop;
4485                        pf.right = df.right = of.right = mOverscanScreenLeft + mOverscanScreenWidth;
4486                        pf.bottom = df.bottom = of.bottom = mOverscanScreenTop
4487                                + mOverscanScreenHeight;
4488                    } else if (canHideNavigationBar()
4489                            && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4490                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4491                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4492                        // Asking for layout as if the nav bar is hidden, lets the
4493                        // application extend into the unrestricted overscan screen area.  We
4494                        // only do this for application windows to ensure no window that
4495                        // can be above the nav bar can do this.
4496                        pf.left = df.left = mOverscanScreenLeft;
4497                        pf.top = df.top = mOverscanScreenTop;
4498                        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4499                        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4500                        // We need to tell the app about where the frame inside the overscan
4501                        // is, so it can inset its content by that amount -- it didn't ask
4502                        // to actually extend itself into the overscan region.
4503                        of.left = mUnrestrictedScreenLeft;
4504                        of.top = mUnrestrictedScreenTop;
4505                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4506                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4507                    } else {
4508                        pf.left = df.left = mRestrictedOverscanScreenLeft;
4509                        pf.top = df.top = mRestrictedOverscanScreenTop;
4510                        pf.right = df.right = mRestrictedOverscanScreenLeft
4511                                + mRestrictedOverscanScreenWidth;
4512                        pf.bottom = df.bottom = mRestrictedOverscanScreenTop
4513                                + mRestrictedOverscanScreenHeight;
4514                        // We need to tell the app about where the frame inside the overscan
4515                        // is, so it can inset its content by that amount -- it didn't ask
4516                        // to actually extend itself into the overscan region.
4517                        of.left = mUnrestrictedScreenLeft;
4518                        of.top = mUnrestrictedScreenTop;
4519                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4520                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4521                    }
4522
4523                    if ((fl & FLAG_FULLSCREEN) == 0) {
4524                        if (win.isVoiceInteraction()) {
4525                            cf.left = mVoiceContentLeft;
4526                            cf.top = mVoiceContentTop;
4527                            cf.right = mVoiceContentRight;
4528                            cf.bottom = mVoiceContentBottom;
4529                        } else {
4530                            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4531                                cf.left = mDockLeft;
4532                                cf.top = mDockTop;
4533                                cf.right = mDockRight;
4534                                cf.bottom = mDockBottom;
4535                            } else {
4536                                cf.left = mContentLeft;
4537                                cf.top = mContentTop;
4538                                cf.right = mContentRight;
4539                                cf.bottom = mContentBottom;
4540                            }
4541                        }
4542                    } else {
4543                        // Full screen windows are always given a layout that is as if the
4544                        // status bar and other transient decors are gone.  This is to avoid
4545                        // bad states when moving from a window that is not hding the
4546                        // status bar to one that is.
4547                        cf.left = mRestrictedScreenLeft;
4548                        cf.top = mRestrictedScreenTop;
4549                        cf.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
4550                        cf.bottom = mRestrictedScreenTop + mRestrictedScreenHeight;
4551                    }
4552                    applyStableConstraints(sysUiFl, fl, cf);
4553                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4554                        vf.left = mCurLeft;
4555                        vf.top = mCurTop;
4556                        vf.right = mCurRight;
4557                        vf.bottom = mCurBottom;
4558                    } else {
4559                        vf.set(cf);
4560                    }
4561                }
4562            } else if ((fl & FLAG_LAYOUT_IN_SCREEN) != 0 || (sysUiFl
4563                    & (View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
4564                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION)) != 0) {
4565                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4566                        "): IN_SCREEN");
4567                // A window that has requested to fill the entire screen just
4568                // gets everything, period.
4569                if (attrs.type == TYPE_STATUS_BAR_PANEL
4570                        || attrs.type == TYPE_STATUS_BAR_SUB_PANEL
4571                        || attrs.type == TYPE_VOLUME_OVERLAY) {
4572                    pf.left = df.left = of.left = cf.left = hasNavBar
4573                            ? mDockLeft : mUnrestrictedScreenLeft;
4574                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4575                    pf.right = df.right = of.right = cf.right = hasNavBar
4576                                        ? mRestrictedScreenLeft+mRestrictedScreenWidth
4577                                        : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4578                    pf.bottom = df.bottom = of.bottom = cf.bottom = hasNavBar
4579                                          ? mRestrictedScreenTop+mRestrictedScreenHeight
4580                                          : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4581                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4582                                    "Laying out IN_SCREEN status bar window: (%d,%d - %d,%d)",
4583                                    pf.left, pf.top, pf.right, pf.bottom));
4584                } else if (attrs.type == TYPE_NAVIGATION_BAR
4585                        || attrs.type == TYPE_NAVIGATION_BAR_PANEL) {
4586                    // The navigation bar has Real Ultimate Power.
4587                    pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4588                    pf.top = df.top = of.top = mUnrestrictedScreenTop;
4589                    pf.right = df.right = of.right = mUnrestrictedScreenLeft
4590                            + mUnrestrictedScreenWidth;
4591                    pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop
4592                            + mUnrestrictedScreenHeight;
4593                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4594                                    "Laying out navigation bar window: (%d,%d - %d,%d)",
4595                                    pf.left, pf.top, pf.right, pf.bottom));
4596                } else if ((attrs.type == TYPE_SECURE_SYSTEM_OVERLAY
4597                                || attrs.type == TYPE_BOOT_PROGRESS
4598                                || attrs.type == TYPE_SCREENSHOT)
4599                        && ((fl & FLAG_FULLSCREEN) != 0)) {
4600                    // Fullscreen secure system overlays get what they ask for. Screenshot region
4601                    // selection overlay should also expand to full screen.
4602                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4603                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4604                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4605                            + mOverscanScreenWidth;
4606                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4607                            + mOverscanScreenHeight;
4608                } else if (attrs.type == TYPE_BOOT_PROGRESS) {
4609                    // Boot progress screen always covers entire display.
4610                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4611                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4612                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4613                            + mOverscanScreenWidth;
4614                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4615                            + mOverscanScreenHeight;
4616                } else if (attrs.type == TYPE_WALLPAPER) {
4617                    // The wallpaper also has Real Ultimate Power, but we want to tell
4618                    // it about the overscan area.
4619                    pf.left = df.left = mOverscanScreenLeft;
4620                    pf.top = df.top = mOverscanScreenTop;
4621                    pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4622                    pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4623                    of.left = cf.left = mUnrestrictedScreenLeft;
4624                    of.top = cf.top = mUnrestrictedScreenTop;
4625                    of.right = cf.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4626                    of.bottom = cf.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4627                } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4628                        && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4629                        && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4630                    // Asking to layout into the overscan region, so give it that pure
4631                    // unrestricted area.
4632                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4633                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4634                    pf.right = df.right = of.right = cf.right
4635                            = mOverscanScreenLeft + mOverscanScreenWidth;
4636                    pf.bottom = df.bottom = of.bottom = cf.bottom
4637                            = mOverscanScreenTop + mOverscanScreenHeight;
4638                } else if (canHideNavigationBar()
4639                        && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4640                        && (attrs.type == TYPE_STATUS_BAR
4641                            || attrs.type == TYPE_TOAST
4642                            || attrs.type == TYPE_DOCK_DIVIDER
4643                            || attrs.type == TYPE_VOICE_INTERACTION_STARTING
4644                            || (attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4645                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW))) {
4646                    // Asking for layout as if the nav bar is hidden, lets the
4647                    // application extend into the unrestricted screen area.  We
4648                    // only do this for application windows (or toasts) to ensure no window that
4649                    // can be above the nav bar can do this.
4650                    // XXX This assumes that an app asking for this will also
4651                    // ask for layout in only content.  We can't currently figure out
4652                    // what the screen would be if only laying out to hide the nav bar.
4653                    pf.left = df.left = of.left = cf.left = mUnrestrictedScreenLeft;
4654                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4655                    pf.right = df.right = of.right = cf.right = mUnrestrictedScreenLeft
4656                            + mUnrestrictedScreenWidth;
4657                    pf.bottom = df.bottom = of.bottom = cf.bottom = mUnrestrictedScreenTop
4658                            + mUnrestrictedScreenHeight;
4659                } else if ((sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN) != 0) {
4660                    pf.left = df.left = of.left = mRestrictedScreenLeft;
4661                    pf.top = df.top = of.top  = mRestrictedScreenTop;
4662                    pf.right = df.right = of.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
4663                    pf.bottom = df.bottom = of.bottom = mRestrictedScreenTop
4664                            + mRestrictedScreenHeight;
4665                    if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4666                        cf.left = mDockLeft;
4667                        cf.top = mDockTop;
4668                        cf.right = mDockRight;
4669                        cf.bottom = mDockBottom;
4670                    } else {
4671                        cf.left = mContentLeft;
4672                        cf.top = mContentTop;
4673                        cf.right = mContentRight;
4674                        cf.bottom = mContentBottom;
4675                    }
4676                } else {
4677                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4678                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4679                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4680                            + mRestrictedScreenWidth;
4681                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4682                            + mRestrictedScreenHeight;
4683                }
4684
4685                applyStableConstraints(sysUiFl, fl, cf);
4686
4687                if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4688                    vf.left = mCurLeft;
4689                    vf.top = mCurTop;
4690                    vf.right = mCurRight;
4691                    vf.bottom = mCurBottom;
4692                } else {
4693                    vf.set(cf);
4694                }
4695            } else if (attached != null) {
4696                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4697                        "): attached to " + attached);
4698                // A child window should be placed inside of the same visible
4699                // frame that its parent had.
4700                setAttachedWindowFrames(win, fl, adjust, attached, false, pf, df, of, cf, vf);
4701            } else {
4702                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4703                        "): normal window");
4704                // Otherwise, a normal window must be placed inside the content
4705                // of all screen decorations.
4706                if (attrs.type == TYPE_STATUS_BAR_PANEL || attrs.type == TYPE_VOLUME_OVERLAY) {
4707                    // Status bar panels and the volume dialog are the only windows who can go on
4708                    // top of the status bar.  They are protected by the STATUS_BAR_SERVICE
4709                    // permission, so they have the same privileges as the status
4710                    // bar itself.
4711                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4712                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4713                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4714                            + mRestrictedScreenWidth;
4715                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4716                            + mRestrictedScreenHeight;
4717                } else if (attrs.type == TYPE_TOAST || attrs.type == TYPE_SYSTEM_ALERT) {
4718                    // These dialogs are stable to interim decor changes.
4719                    pf.left = df.left = of.left = cf.left = mStableLeft;
4720                    pf.top = df.top = of.top = cf.top = mStableTop;
4721                    pf.right = df.right = of.right = cf.right = mStableRight;
4722                    pf.bottom = df.bottom = of.bottom = cf.bottom = mStableBottom;
4723                } else {
4724                    pf.left = mContentLeft;
4725                    pf.top = mContentTop;
4726                    pf.right = mContentRight;
4727                    pf.bottom = mContentBottom;
4728                    if (win.isVoiceInteraction()) {
4729                        df.left = of.left = cf.left = mVoiceContentLeft;
4730                        df.top = of.top = cf.top = mVoiceContentTop;
4731                        df.right = of.right = cf.right = mVoiceContentRight;
4732                        df.bottom = of.bottom = cf.bottom = mVoiceContentBottom;
4733                    } else if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4734                        df.left = of.left = cf.left = mDockLeft;
4735                        df.top = of.top = cf.top = mDockTop;
4736                        df.right = of.right = cf.right = mDockRight;
4737                        df.bottom = of.bottom = cf.bottom = mDockBottom;
4738                    } else {
4739                        df.left = of.left = cf.left = mContentLeft;
4740                        df.top = of.top = cf.top = mContentTop;
4741                        df.right = of.right = cf.right = mContentRight;
4742                        df.bottom = of.bottom = cf.bottom = mContentBottom;
4743                    }
4744                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4745                        vf.left = mCurLeft;
4746                        vf.top = mCurTop;
4747                        vf.right = mCurRight;
4748                        vf.bottom = mCurBottom;
4749                    } else {
4750                        vf.set(cf);
4751                    }
4752                }
4753            }
4754        }
4755
4756        // TYPE_SYSTEM_ERROR is above the NavigationBar so it can't be allowed to extend over it.
4757        // Also, we don't allow windows in multi-window mode to extend out of the screen.
4758        if ((fl & FLAG_LAYOUT_NO_LIMITS) != 0 && attrs.type != TYPE_SYSTEM_ERROR
4759                && !win.isInMultiWindowMode()) {
4760            df.left = df.top = -10000;
4761            df.right = df.bottom = 10000;
4762            if (attrs.type != TYPE_WALLPAPER) {
4763                of.left = of.top = cf.left = cf.top = vf.left = vf.top = -10000;
4764                of.right = of.bottom = cf.right = cf.bottom = vf.right = vf.bottom = 10000;
4765            }
4766        }
4767
4768        // If the device has a chin (e.g. some watches), a dead area at the bottom of the screen we
4769        // need to provide information to the clients that want to pretend that you can draw there.
4770        // We only want to apply outsets to certain types of windows. For example, we never want to
4771        // apply the outsets to floating dialogs, because they wouldn't make sense there.
4772        final boolean useOutsets = shouldUseOutsets(attrs, fl);
4773        if (isDefaultDisplay && useOutsets) {
4774            osf = mTmpOutsetFrame;
4775            osf.set(cf.left, cf.top, cf.right, cf.bottom);
4776            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
4777            if (outset > 0) {
4778                int rotation = mDisplayRotation;
4779                if (rotation == Surface.ROTATION_0) {
4780                    osf.bottom += outset;
4781                } else if (rotation == Surface.ROTATION_90) {
4782                    osf.right += outset;
4783                } else if (rotation == Surface.ROTATION_180) {
4784                    osf.top -= outset;
4785                } else if (rotation == Surface.ROTATION_270) {
4786                    osf.left -= outset;
4787                }
4788                if (DEBUG_LAYOUT) Slog.v(TAG, "applying bottom outset of " + outset
4789                        + " with rotation " + rotation + ", result: " + osf);
4790            }
4791        }
4792
4793        if (DEBUG_LAYOUT) Slog.v(TAG, "Compute frame " + attrs.getTitle()
4794                + ": sim=#" + Integer.toHexString(sim)
4795                + " attach=" + attached + " type=" + attrs.type
4796                + String.format(" flags=0x%08x", fl)
4797                + " pf=" + pf.toShortString() + " df=" + df.toShortString()
4798                + " of=" + of.toShortString()
4799                + " cf=" + cf.toShortString() + " vf=" + vf.toShortString()
4800                + " dcf=" + dcf.toShortString()
4801                + " sf=" + sf.toShortString()
4802                + " osf=" + (osf == null ? "null" : osf.toShortString()));
4803
4804        win.computeFrameLw(pf, df, of, cf, vf, dcf, sf, osf);
4805
4806        // Dock windows carve out the bottom of the screen, so normal windows
4807        // can't appear underneath them.
4808        if (attrs.type == TYPE_INPUT_METHOD && win.isVisibleOrBehindKeyguardLw()
4809                && win.isDisplayedLw() && !win.getGivenInsetsPendingLw()) {
4810            setLastInputMethodWindowLw(null, null);
4811            offsetInputMethodWindowLw(win);
4812        }
4813        if (attrs.type == TYPE_VOICE_INTERACTION && win.isVisibleOrBehindKeyguardLw()
4814                && !win.getGivenInsetsPendingLw()) {
4815            offsetVoiceInputWindowLw(win);
4816        }
4817    }
4818
4819    private void offsetInputMethodWindowLw(WindowState win) {
4820        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4821        top += win.getGivenContentInsetsLw().top;
4822        if (mContentBottom > top) {
4823            mContentBottom = top;
4824        }
4825        if (mVoiceContentBottom > top) {
4826            mVoiceContentBottom = top;
4827        }
4828        top = win.getVisibleFrameLw().top;
4829        top += win.getGivenVisibleInsetsLw().top;
4830        if (mCurBottom > top) {
4831            mCurBottom = top;
4832        }
4833        if (DEBUG_LAYOUT) Slog.v(TAG, "Input method: mDockBottom="
4834                + mDockBottom + " mContentBottom="
4835                + mContentBottom + " mCurBottom=" + mCurBottom);
4836    }
4837
4838    private void offsetVoiceInputWindowLw(WindowState win) {
4839        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4840        top += win.getGivenContentInsetsLw().top;
4841        if (mVoiceContentBottom > top) {
4842            mVoiceContentBottom = top;
4843        }
4844    }
4845
4846    /** {@inheritDoc} */
4847    @Override
4848    public void finishLayoutLw() {
4849        return;
4850    }
4851
4852    /** {@inheritDoc} */
4853    @Override
4854    public void beginPostLayoutPolicyLw(int displayWidth, int displayHeight) {
4855        mTopFullscreenOpaqueWindowState = null;
4856        mTopFullscreenOpaqueOrDimmingWindowState = null;
4857        mTopDockedOpaqueWindowState = null;
4858        mTopDockedOpaqueOrDimmingWindowState = null;
4859        mAppsToBeHidden.clear();
4860        mAppsThatDismissKeyguard.clear();
4861        mForceStatusBar = false;
4862        mForceStatusBarFromKeyguard = false;
4863        mForceStatusBarTransparent = false;
4864        mForcingShowNavBar = false;
4865        mForcingShowNavBarLayer = -1;
4866
4867        mHideLockScreen = false;
4868        mAllowLockscreenWhenOn = false;
4869        mDismissKeyguard = DISMISS_KEYGUARD_NONE;
4870        mShowingLockscreen = false;
4871        mShowingDream = false;
4872        mWinShowWhenLocked = null;
4873        mKeyguardSecure = isKeyguardSecure(mCurrentUserId);
4874        mKeyguardSecureIncludingHidden = mKeyguardSecure
4875                && (mKeyguardDelegate != null && mKeyguardDelegate.isShowing());
4876    }
4877
4878    /** {@inheritDoc} */
4879    @Override
4880    public void applyPostLayoutPolicyLw(WindowState win, WindowManager.LayoutParams attrs,
4881            WindowState attached) {
4882        if (DEBUG_LAYOUT) Slog.i(TAG, "Win " + win + ": isVisibleOrBehindKeyguardLw="
4883                + win.isVisibleOrBehindKeyguardLw());
4884        final int fl = PolicyControl.getWindowFlags(win, attrs);
4885        if (mTopFullscreenOpaqueWindowState == null
4886                && win.isVisibleLw() && attrs.type == TYPE_INPUT_METHOD) {
4887            mForcingShowNavBar = true;
4888            mForcingShowNavBarLayer = win.getSurfaceLayer();
4889        }
4890        if (attrs.type == TYPE_STATUS_BAR) {
4891            if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4892                mForceStatusBarFromKeyguard = true;
4893                mShowingLockscreen = true;
4894            }
4895            if ((attrs.privateFlags & PRIVATE_FLAG_FORCE_STATUS_BAR_VISIBLE_TRANSPARENT) != 0) {
4896                mForceStatusBarTransparent = true;
4897            }
4898        }
4899
4900        boolean appWindow = attrs.type >= FIRST_APPLICATION_WINDOW
4901                && attrs.type < FIRST_SYSTEM_WINDOW;
4902        final boolean showWhenLocked = (fl & FLAG_SHOW_WHEN_LOCKED) != 0;
4903        final boolean dismissKeyguard = (fl & FLAG_DISMISS_KEYGUARD) != 0;
4904        final int stackId = win.getStackId();
4905        if (mTopFullscreenOpaqueWindowState == null &&
4906                win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()) {
4907            if ((fl & FLAG_FORCE_NOT_FULLSCREEN) != 0) {
4908                if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4909                    mForceStatusBarFromKeyguard = true;
4910                } else {
4911                    mForceStatusBar = true;
4912                }
4913            }
4914            if (attrs.type == TYPE_DREAM) {
4915                // If the lockscreen was showing when the dream started then wait
4916                // for the dream to draw before hiding the lockscreen.
4917                if (!mDreamingLockscreen
4918                        || (win.isVisibleLw() && win.hasDrawnLw())) {
4919                    mShowingDream = true;
4920                    appWindow = true;
4921                }
4922            }
4923
4924            final IApplicationToken appToken = win.getAppToken();
4925
4926            // For app windows that are not attached, we decide if all windows in the app they
4927            // represent should be hidden or if we should hide the lockscreen. For attached app
4928            // windows we defer the decision to the window it is attached to.
4929            if (appWindow && attached == null) {
4930                if (showWhenLocked) {
4931                    // Remove any previous windows with the same appToken.
4932                    mAppsToBeHidden.remove(appToken);
4933                    mAppsThatDismissKeyguard.remove(appToken);
4934                    if (mAppsToBeHidden.isEmpty()) {
4935                        if (dismissKeyguard && !mKeyguardSecure) {
4936                            mAppsThatDismissKeyguard.add(appToken);
4937                        } else if (win.isDrawnLw() || win.hasAppShownWindows()) {
4938                            mWinShowWhenLocked = win;
4939                            mHideLockScreen = true;
4940                            mForceStatusBarFromKeyguard = false;
4941                        }
4942                    }
4943                } else if (dismissKeyguard) {
4944                    if (mKeyguardSecure) {
4945                        mAppsToBeHidden.add(appToken);
4946                    } else {
4947                        mAppsToBeHidden.remove(appToken);
4948                    }
4949                    mAppsThatDismissKeyguard.add(appToken);
4950                } else {
4951                    mAppsToBeHidden.add(appToken);
4952                }
4953                if (isFullscreen(attrs) && StackId.normallyFullscreenWindows(stackId)) {
4954                    if (DEBUG_LAYOUT) Slog.v(TAG, "Fullscreen window: " + win);
4955                    mTopFullscreenOpaqueWindowState = win;
4956                    if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
4957                        mTopFullscreenOpaqueOrDimmingWindowState = win;
4958                    }
4959                    if (!mAppsThatDismissKeyguard.isEmpty() &&
4960                            mDismissKeyguard == DISMISS_KEYGUARD_NONE) {
4961                        if (DEBUG_LAYOUT) Slog.v(TAG,
4962                                "Setting mDismissKeyguard true by win " + win);
4963                        mDismissKeyguard = (mWinDismissingKeyguard == win
4964                                && mSecureDismissingKeyguard == mKeyguardSecure)
4965                                ? DISMISS_KEYGUARD_CONTINUE : DISMISS_KEYGUARD_START;
4966                        mWinDismissingKeyguard = win;
4967                        mSecureDismissingKeyguard = mKeyguardSecure;
4968                        mForceStatusBarFromKeyguard = mShowingLockscreen && mKeyguardSecure;
4969                    } else if (mAppsToBeHidden.isEmpty() && showWhenLocked
4970                            && (win.isDrawnLw() || win.hasAppShownWindows())) {
4971                        if (DEBUG_LAYOUT) Slog.v(TAG,
4972                                "Setting mHideLockScreen to true by win " + win);
4973                        mHideLockScreen = true;
4974                        mForceStatusBarFromKeyguard = false;
4975                    }
4976                    if ((fl & FLAG_ALLOW_LOCK_WHILE_SCREEN_ON) != 0) {
4977                        mAllowLockscreenWhenOn = true;
4978                    }
4979                }
4980
4981                if (!mKeyguardHidden && mWinShowWhenLocked != null &&
4982                        mWinShowWhenLocked.getAppToken() != win.getAppToken() &&
4983                        (attrs.flags & FLAG_SHOW_WHEN_LOCKED) == 0) {
4984                    win.hideLw(false);
4985                }
4986            }
4987        } else if (mTopFullscreenOpaqueWindowState == null && mWinShowWhenLocked == null) {
4988            // No TopFullscreenOpaqueWindow is showing, but we found a SHOW_WHEN_LOCKED window
4989            // that is being hidden in an animation - keep the
4990            // keyguard hidden until the new window shows up and
4991            // we know whether to show the keyguard or not.
4992            if (win.isAnimatingLw() && appWindow && showWhenLocked && mKeyguardHidden) {
4993                mHideLockScreen = true;
4994                mWinShowWhenLocked = win;
4995            }
4996        }
4997
4998        // Keep track of the window if it's dimming but not necessarily fullscreen.
4999        final boolean reallyVisible = win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw();
5000        if (mTopFullscreenOpaqueOrDimmingWindowState == null &&  reallyVisible
5001                && win.isDimming() && StackId.normallyFullscreenWindows(stackId)) {
5002            mTopFullscreenOpaqueOrDimmingWindowState = win;
5003        }
5004
5005        // We need to keep track of the top "fullscreen" opaque window for the docked stack
5006        // separately, because both the "real fullscreen" opaque window and the one for the docked
5007        // stack can control View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR.
5008        if (mTopDockedOpaqueWindowState == null && reallyVisible && appWindow && attached == null
5009                && isFullscreen(attrs) && stackId == DOCKED_STACK_ID) {
5010            mTopDockedOpaqueWindowState = win;
5011            if (mTopDockedOpaqueOrDimmingWindowState == null) {
5012                mTopDockedOpaqueOrDimmingWindowState = win;
5013            }
5014        }
5015
5016        // Also keep track of any windows that are dimming but not necessarily fullscreen in the
5017        // docked stack.
5018        if (mTopDockedOpaqueOrDimmingWindowState == null && reallyVisible && win.isDimming()
5019                && stackId == DOCKED_STACK_ID) {
5020            mTopDockedOpaqueOrDimmingWindowState = win;
5021        }
5022    }
5023
5024    private boolean isFullscreen(WindowManager.LayoutParams attrs) {
5025        return attrs.x == 0 && attrs.y == 0
5026                && attrs.width == WindowManager.LayoutParams.MATCH_PARENT
5027                && attrs.height == WindowManager.LayoutParams.MATCH_PARENT;
5028    }
5029
5030    /** {@inheritDoc} */
5031    @Override
5032    public int finishPostLayoutPolicyLw() {
5033        if (mWinShowWhenLocked != null && mTopFullscreenOpaqueWindowState != null &&
5034                mWinShowWhenLocked.getAppToken() != mTopFullscreenOpaqueWindowState.getAppToken()
5035                && isKeyguardLocked()) {
5036            // A dialog is dismissing the keyguard. Put the wallpaper behind it and hide the
5037            // fullscreen window.
5038            // TODO: Make sure FLAG_SHOW_WALLPAPER is restored when dialog is dismissed. Or not.
5039            mWinShowWhenLocked.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
5040            mTopFullscreenOpaqueWindowState.hideLw(false);
5041            mTopFullscreenOpaqueWindowState = mWinShowWhenLocked;
5042        }
5043
5044        int changes = 0;
5045        boolean topIsFullscreen = false;
5046
5047        final WindowManager.LayoutParams lp = (mTopFullscreenOpaqueWindowState != null)
5048                ? mTopFullscreenOpaqueWindowState.getAttrs()
5049                : null;
5050
5051        // If we are not currently showing a dream then remember the current
5052        // lockscreen state.  We will use this to determine whether the dream
5053        // started while the lockscreen was showing and remember this state
5054        // while the dream is showing.
5055        if (!mShowingDream) {
5056            mDreamingLockscreen = mShowingLockscreen;
5057            if (mDreamingSleepTokenNeeded) {
5058                mDreamingSleepTokenNeeded = false;
5059                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 0, 1).sendToTarget();
5060            }
5061        } else {
5062            if (!mDreamingSleepTokenNeeded) {
5063                mDreamingSleepTokenNeeded = true;
5064                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 1, 1).sendToTarget();
5065            }
5066        }
5067
5068        if (mStatusBar != null) {
5069            if (DEBUG_LAYOUT) Slog.i(TAG, "force=" + mForceStatusBar
5070                    + " forcefkg=" + mForceStatusBarFromKeyguard
5071                    + " top=" + mTopFullscreenOpaqueWindowState);
5072            boolean shouldBeTransparent = mForceStatusBarTransparent
5073                    && !mForceStatusBar
5074                    && !mForceStatusBarFromKeyguard;
5075            if (!shouldBeTransparent) {
5076                mStatusBarController.setShowTransparent(false /* transparent */);
5077            } else if (!mStatusBar.isVisibleLw()) {
5078                mStatusBarController.setShowTransparent(true /* transparent */);
5079            }
5080
5081            WindowManager.LayoutParams statusBarAttrs = mStatusBar.getAttrs();
5082            boolean statusBarExpanded = statusBarAttrs.height == MATCH_PARENT
5083                    && statusBarAttrs.width == MATCH_PARENT;
5084            if (mForceStatusBar || mForceStatusBarFromKeyguard || mForceStatusBarTransparent
5085                    || statusBarExpanded) {
5086                if (DEBUG_LAYOUT) Slog.v(TAG, "Showing status bar: forced");
5087                if (mStatusBarController.setBarShowingLw(true)) {
5088                    changes |= FINISH_LAYOUT_REDO_LAYOUT;
5089                }
5090                // Maintain fullscreen layout until incoming animation is complete.
5091                topIsFullscreen = mTopIsFullscreen && mStatusBar.isAnimatingLw();
5092                // Transient status bar on the lockscreen is not allowed
5093                if (mForceStatusBarFromKeyguard && mStatusBarController.isTransientShowing()) {
5094                    mStatusBarController.updateVisibilityLw(false /*transientAllowed*/,
5095                            mLastSystemUiFlags, mLastSystemUiFlags);
5096                }
5097                if (statusBarExpanded && mNavigationBar != null) {
5098                    if (mNavigationBarController.setBarShowingLw(true)) {
5099                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5100                    }
5101                }
5102            } else if (mTopFullscreenOpaqueWindowState != null) {
5103                final int fl = PolicyControl.getWindowFlags(null, lp);
5104                if (localLOGV) {
5105                    Slog.d(TAG, "frame: " + mTopFullscreenOpaqueWindowState.getFrameLw()
5106                            + " shown position: "
5107                            + mTopFullscreenOpaqueWindowState.getShownPositionLw());
5108                    Slog.d(TAG, "attr: " + mTopFullscreenOpaqueWindowState.getAttrs()
5109                            + " lp.flags=0x" + Integer.toHexString(fl));
5110                }
5111                topIsFullscreen = (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0
5112                        || (mLastSystemUiFlags & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
5113                // The subtle difference between the window for mTopFullscreenOpaqueWindowState
5114                // and mTopIsFullscreen is that mTopIsFullscreen is set only if the window
5115                // has the FLAG_FULLSCREEN set.  Not sure if there is another way that to be the
5116                // case though.
5117                if (mStatusBarController.isTransientShowing()) {
5118                    if (mStatusBarController.setBarShowingLw(true)) {
5119                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5120                    }
5121                } else if (topIsFullscreen
5122                        && !mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID)
5123                        && !mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID)) {
5124                    if (DEBUG_LAYOUT) Slog.v(TAG, "** HIDING status bar");
5125                    if (mStatusBarController.setBarShowingLw(false)) {
5126                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5127                    } else {
5128                        if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar already hiding");
5129                    }
5130                } else {
5131                    if (DEBUG_LAYOUT) Slog.v(TAG, "** SHOWING status bar: top is not fullscreen");
5132                    if (mStatusBarController.setBarShowingLw(true)) {
5133                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5134                    }
5135                }
5136            }
5137        }
5138
5139        if (mTopIsFullscreen != topIsFullscreen) {
5140            if (!topIsFullscreen) {
5141                // Force another layout when status bar becomes fully shown.
5142                changes |= FINISH_LAYOUT_REDO_LAYOUT;
5143            }
5144            mTopIsFullscreen = topIsFullscreen;
5145        }
5146
5147        // Hide the key guard if a visible window explicitly specifies that it wants to be
5148        // displayed when the screen is locked.
5149        if (mKeyguardDelegate != null && mStatusBar != null) {
5150            if (localLOGV) Slog.v(TAG, "finishPostLayoutPolicyLw: mHideKeyguard="
5151                    + mHideLockScreen);
5152            if (mDismissKeyguard != DISMISS_KEYGUARD_NONE && !mKeyguardSecure) {
5153                mKeyguardHidden = true;
5154                if (setKeyguardOccludedLw(true)) {
5155                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5156                            | FINISH_LAYOUT_REDO_CONFIG
5157                            | FINISH_LAYOUT_REDO_WALLPAPER;
5158                }
5159                if (mKeyguardDelegate.isShowing()) {
5160                    mHandler.post(new Runnable() {
5161                        @Override
5162                        public void run() {
5163                            mKeyguardDelegate.keyguardDone(false, false);
5164                        }
5165                    });
5166                }
5167            } else if (mHideLockScreen) {
5168                mKeyguardHidden = true;
5169                mWinDismissingKeyguard = null;
5170                if (setKeyguardOccludedLw(true)) {
5171                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5172                            | FINISH_LAYOUT_REDO_CONFIG
5173                            | FINISH_LAYOUT_REDO_WALLPAPER;
5174                }
5175            } else if (mDismissKeyguard != DISMISS_KEYGUARD_NONE) {
5176                mKeyguardHidden = false;
5177                if (setKeyguardOccludedLw(false)) {
5178                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5179                            | FINISH_LAYOUT_REDO_CONFIG
5180                            | FINISH_LAYOUT_REDO_WALLPAPER;
5181                }
5182                if (mDismissKeyguard == DISMISS_KEYGUARD_START) {
5183                    // Only launch the next keyguard unlock window once per window.
5184                    mHandler.post(new Runnable() {
5185                        @Override
5186                        public void run() {
5187                            mKeyguardDelegate.dismiss();
5188                        }
5189                    });
5190                }
5191            } else {
5192                mWinDismissingKeyguard = null;
5193                mSecureDismissingKeyguard = false;
5194                mKeyguardHidden = false;
5195                if (setKeyguardOccludedLw(false)) {
5196                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5197                            | FINISH_LAYOUT_REDO_CONFIG
5198                            | FINISH_LAYOUT_REDO_WALLPAPER;
5199                }
5200            }
5201        }
5202
5203        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
5204            // If the navigation bar has been hidden or shown, we need to do another
5205            // layout pass to update that window.
5206            changes |= FINISH_LAYOUT_REDO_LAYOUT;
5207        }
5208
5209        // update since mAllowLockscreenWhenOn might have changed
5210        updateLockScreenTimeout();
5211        return changes;
5212    }
5213
5214    /**
5215     * Updates the occluded state of the Keyguard.
5216     *
5217     * @return Whether the flags have changed and we have to redo the layout.
5218     */
5219    private boolean setKeyguardOccludedLw(boolean isOccluded) {
5220        boolean wasOccluded = mKeyguardOccluded;
5221        boolean showing = mKeyguardDelegate.isShowing();
5222        if (wasOccluded && !isOccluded && showing) {
5223            mKeyguardOccluded = false;
5224            mKeyguardDelegate.setOccluded(false);
5225            mStatusBar.getAttrs().privateFlags |= PRIVATE_FLAG_KEYGUARD;
5226            return true;
5227        } else if (!wasOccluded && isOccluded && showing) {
5228            mKeyguardOccluded = true;
5229            mKeyguardDelegate.setOccluded(true);
5230            mStatusBar.getAttrs().privateFlags &= ~PRIVATE_FLAG_KEYGUARD;
5231            mStatusBar.getAttrs().flags &= ~FLAG_SHOW_WALLPAPER;
5232            return true;
5233        } else {
5234            return false;
5235        }
5236    }
5237
5238    private boolean isStatusBarKeyguard() {
5239        return mStatusBar != null
5240                && (mStatusBar.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
5241    }
5242
5243    @Override
5244    public boolean allowAppAnimationsLw() {
5245        if (isStatusBarKeyguard() || mShowingDream) {
5246            // If keyguard or dreams is currently visible, no reason to animate behind it.
5247            return false;
5248        }
5249        return true;
5250    }
5251
5252    @Override
5253    public int focusChangedLw(WindowState lastFocus, WindowState newFocus) {
5254        mFocusedWindow = newFocus;
5255        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
5256            // If the navigation bar has been hidden or shown, we need to do another
5257            // layout pass to update that window.
5258            return FINISH_LAYOUT_REDO_LAYOUT;
5259        }
5260        return 0;
5261    }
5262
5263    /** {@inheritDoc} */
5264    @Override
5265    public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
5266        // lid changed state
5267        final int newLidState = lidOpen ? LID_OPEN : LID_CLOSED;
5268        if (newLidState == mLidState) {
5269            return;
5270        }
5271
5272        mLidState = newLidState;
5273        applyLidSwitchState();
5274        updateRotation(true);
5275
5276        if (lidOpen) {
5277            wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromLidSwitch,
5278                    "android.policy:LID");
5279        } else if (!mLidControlsSleep) {
5280            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
5281        }
5282    }
5283
5284    @Override
5285    public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) {
5286        int lensCoverState = lensCovered ? CAMERA_LENS_COVERED : CAMERA_LENS_UNCOVERED;
5287        if (mCameraLensCoverState == lensCoverState) {
5288            return;
5289        }
5290        if (mCameraLensCoverState == CAMERA_LENS_COVERED &&
5291                lensCoverState == CAMERA_LENS_UNCOVERED) {
5292            Intent intent;
5293            final boolean keyguardActive = mKeyguardDelegate == null ? false :
5294                    mKeyguardDelegate.isShowing();
5295            if (keyguardActive) {
5296                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);
5297            } else {
5298                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
5299            }
5300            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromCameraLens,
5301                    "android.policy:CAMERA_COVER");
5302            startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
5303        }
5304        mCameraLensCoverState = lensCoverState;
5305    }
5306
5307    void setHdmiPlugged(boolean plugged) {
5308        if (mHdmiPlugged != plugged) {
5309            mHdmiPlugged = plugged;
5310            updateRotation(true, true);
5311            Intent intent = new Intent(ACTION_HDMI_PLUGGED);
5312            intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
5313            intent.putExtra(EXTRA_HDMI_PLUGGED_STATE, plugged);
5314            mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
5315        }
5316    }
5317
5318    void initializeHdmiState() {
5319        boolean plugged = false;
5320        // watch for HDMI plug messages if the hdmi switch exists
5321        if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
5322            mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
5323
5324            final String filename = "/sys/class/switch/hdmi/state";
5325            FileReader reader = null;
5326            try {
5327                reader = new FileReader(filename);
5328                char[] buf = new char[15];
5329                int n = reader.read(buf);
5330                if (n > 1) {
5331                    plugged = 0 != Integer.parseInt(new String(buf, 0, n-1));
5332                }
5333            } catch (IOException ex) {
5334                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
5335            } catch (NumberFormatException ex) {
5336                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
5337            } finally {
5338                if (reader != null) {
5339                    try {
5340                        reader.close();
5341                    } catch (IOException ex) {
5342                    }
5343                }
5344            }
5345        }
5346        // This dance forces the code in setHdmiPlugged to run.
5347        // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
5348        mHdmiPlugged = !plugged;
5349        setHdmiPlugged(!mHdmiPlugged);
5350    }
5351
5352    final Object mScreenshotLock = new Object();
5353    ServiceConnection mScreenshotConnection = null;
5354
5355    final Runnable mScreenshotTimeout = new Runnable() {
5356        @Override public void run() {
5357            synchronized (mScreenshotLock) {
5358                if (mScreenshotConnection != null) {
5359                    mContext.unbindService(mScreenshotConnection);
5360                    mScreenshotConnection = null;
5361                    notifyScreenshotError();
5362                }
5363            }
5364        }
5365    };
5366
5367    // Assume this is called from the Handler thread.
5368    private void takeScreenshot(final int screenshotType) {
5369        synchronized (mScreenshotLock) {
5370            if (mScreenshotConnection != null) {
5371                return;
5372            }
5373            final ComponentName serviceComponent = new ComponentName(SYSUI_PACKAGE,
5374                    SYSUI_SCREENSHOT_SERVICE);
5375            final Intent serviceIntent = new Intent();
5376            serviceIntent.setComponent(serviceComponent);
5377            ServiceConnection conn = new ServiceConnection() {
5378                @Override
5379                public void onServiceConnected(ComponentName name, IBinder service) {
5380                    synchronized (mScreenshotLock) {
5381                        if (mScreenshotConnection != this) {
5382                            return;
5383                        }
5384                        Messenger messenger = new Messenger(service);
5385                        Message msg = Message.obtain(null, screenshotType);
5386                        final ServiceConnection myConn = this;
5387                        Handler h = new Handler(mHandler.getLooper()) {
5388                            @Override
5389                            public void handleMessage(Message msg) {
5390                                synchronized (mScreenshotLock) {
5391                                    if (mScreenshotConnection == myConn) {
5392                                        mContext.unbindService(mScreenshotConnection);
5393                                        mScreenshotConnection = null;
5394                                        mHandler.removeCallbacks(mScreenshotTimeout);
5395                                    }
5396                                }
5397                            }
5398                        };
5399                        msg.replyTo = new Messenger(h);
5400                        msg.arg1 = msg.arg2 = 0;
5401                        if (mStatusBar != null && mStatusBar.isVisibleLw())
5402                            msg.arg1 = 1;
5403                        if (mNavigationBar != null && mNavigationBar.isVisibleLw())
5404                            msg.arg2 = 1;
5405                        try {
5406                            messenger.send(msg);
5407                        } catch (RemoteException e) {
5408                        }
5409                    }
5410                }
5411
5412                @Override
5413                public void onServiceDisconnected(ComponentName name) {
5414                    notifyScreenshotError();
5415                }
5416            };
5417            if (mContext.bindServiceAsUser(serviceIntent, conn,
5418                    Context.BIND_AUTO_CREATE | Context.BIND_FOREGROUND_SERVICE_WHILE_AWAKE,
5419                    UserHandle.CURRENT)) {
5420                mScreenshotConnection = conn;
5421                mHandler.postDelayed(mScreenshotTimeout, 10000);
5422            }
5423        }
5424    }
5425
5426    /**
5427     * Notifies the screenshot service to show an error.
5428     */
5429    private void notifyScreenshotError() {
5430        // If the service process is killed, then ask it to clean up after itself
5431        final ComponentName errorComponent = new ComponentName(SYSUI_PACKAGE,
5432                SYSUI_SCREENSHOT_ERROR_RECEIVER);
5433        Intent errorIntent = new Intent(Intent.ACTION_USER_PRESENT);
5434        errorIntent.setComponent(errorComponent);
5435        errorIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT |
5436                Intent.FLAG_RECEIVER_FOREGROUND);
5437        mContext.sendBroadcastAsUser(errorIntent, UserHandle.CURRENT);
5438    }
5439
5440    /** {@inheritDoc} */
5441    @Override
5442    public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) {
5443        if (!mSystemBooted) {
5444            // If we have not yet booted, don't let key events do anything.
5445            return 0;
5446        }
5447
5448        final boolean interactive = (policyFlags & FLAG_INTERACTIVE) != 0;
5449        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
5450        final boolean canceled = event.isCanceled();
5451        final int keyCode = event.getKeyCode();
5452
5453        final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;
5454
5455        // If screen is off then we treat the case where the keyguard is open but hidden
5456        // the same as if it were open and in front.
5457        // This will prevent any keys other than the power button from waking the screen
5458        // when the keyguard is hidden by another activity.
5459        final boolean keyguardActive = (mKeyguardDelegate == null ? false :
5460                                            (interactive ?
5461                                                isKeyguardShowingAndNotOccluded() :
5462                                                mKeyguardDelegate.isShowing()));
5463
5464        if (DEBUG_INPUT) {
5465            Log.d(TAG, "interceptKeyTq keycode=" + keyCode
5466                    + " interactive=" + interactive + " keyguardActive=" + keyguardActive
5467                    + " policyFlags=" + Integer.toHexString(policyFlags));
5468        }
5469
5470        // Basic policy based on interactive state.
5471        int result;
5472        boolean isWakeKey = (policyFlags & WindowManagerPolicy.FLAG_WAKE) != 0
5473                || event.isWakeKey();
5474        if (interactive || (isInjected && !isWakeKey)) {
5475            // When the device is interactive or the key is injected pass the
5476            // key to the application.
5477            result = ACTION_PASS_TO_USER;
5478            isWakeKey = false;
5479        } else if (!interactive && shouldDispatchInputWhenNonInteractive()) {
5480            // If we're currently dozing with the screen on and the keyguard showing, pass the key
5481            // to the application but preserve its wake key status to make sure we still move
5482            // from dozing to fully interactive if we would normally go from off to fully
5483            // interactive.
5484            result = ACTION_PASS_TO_USER;
5485        } else {
5486            // When the screen is off and the key is not injected, determine whether
5487            // to wake the device but don't pass the key to the application.
5488            result = 0;
5489            if (isWakeKey && (!down || !isWakeKeyWhenScreenOff(keyCode))) {
5490                isWakeKey = false;
5491            }
5492        }
5493
5494        // If the key would be handled globally, just return the result, don't worry about special
5495        // key processing.
5496        if (isValidGlobalKey(keyCode)
5497                && mGlobalKeyManager.shouldHandleGlobalKey(keyCode, event)) {
5498            if (isWakeKey) {
5499                wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5500            }
5501            return result;
5502        }
5503
5504        boolean useHapticFeedback = down
5505                && (policyFlags & WindowManagerPolicy.FLAG_VIRTUAL) != 0
5506                && event.getRepeatCount() == 0;
5507
5508        // Handle special keys.
5509        switch (keyCode) {
5510            case KeyEvent.KEYCODE_BACK: {
5511                if (down) {
5512                    mBackKeyHandled = false;
5513                    if (hasLongPressOnBackBehavior()) {
5514                        Message msg = mHandler.obtainMessage(MSG_BACK_LONG_PRESS);
5515                        msg.setAsynchronous(true);
5516                        mHandler.sendMessageDelayed(msg,
5517                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
5518                    }
5519                } else {
5520                    boolean handled = mBackKeyHandled;
5521
5522                    // Reset back key state
5523                    cancelPendingBackKeyAction();
5524
5525                    // Don't pass back press to app if we've already handled it
5526                    if (handled) {
5527                        result &= ~ACTION_PASS_TO_USER;
5528                    }
5529                }
5530                break;
5531            }
5532
5533            case KeyEvent.KEYCODE_VOLUME_DOWN:
5534            case KeyEvent.KEYCODE_VOLUME_UP:
5535            case KeyEvent.KEYCODE_VOLUME_MUTE: {
5536                if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
5537                    if (down) {
5538                        if (interactive && !mScreenshotChordVolumeDownKeyTriggered
5539                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5540                            mScreenshotChordVolumeDownKeyTriggered = true;
5541                            mScreenshotChordVolumeDownKeyTime = event.getDownTime();
5542                            mScreenshotChordVolumeDownKeyConsumed = false;
5543                            cancelPendingPowerKeyAction();
5544                            interceptScreenshotChord();
5545                        }
5546                    } else {
5547                        mScreenshotChordVolumeDownKeyTriggered = false;
5548                        cancelPendingScreenshotChordAction();
5549                    }
5550                } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
5551                    if (down) {
5552                        if (interactive && !mScreenshotChordVolumeUpKeyTriggered
5553                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5554                            mScreenshotChordVolumeUpKeyTriggered = true;
5555                            cancelPendingPowerKeyAction();
5556                            cancelPendingScreenshotChordAction();
5557                        }
5558                    } else {
5559                        mScreenshotChordVolumeUpKeyTriggered = false;
5560                        cancelPendingScreenshotChordAction();
5561                    }
5562                }
5563                if (down) {
5564                    TelecomManager telecomManager = getTelecommService();
5565                    if (telecomManager != null) {
5566                        if (telecomManager.isRinging()) {
5567                            // If an incoming call is ringing, either VOLUME key means
5568                            // "silence ringer".  We handle these keys here, rather than
5569                            // in the InCallScreen, to make sure we'll respond to them
5570                            // even if the InCallScreen hasn't come to the foreground yet.
5571                            // Look for the DOWN event here, to agree with the "fallback"
5572                            // behavior in the InCallScreen.
5573                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5574                                  + " VOLUME key-down while ringing: Silence ringer!");
5575
5576                            // Silence the ringer.  (It's safe to call this
5577                            // even if the ringer has already been silenced.)
5578                            telecomManager.silenceRinger();
5579
5580                            // And *don't* pass this key thru to the current activity
5581                            // (which is probably the InCallScreen.)
5582                            result &= ~ACTION_PASS_TO_USER;
5583                            break;
5584                        }
5585                        if (telecomManager.isInCall()
5586                                && (result & ACTION_PASS_TO_USER) == 0) {
5587                            // If we are in call but we decided not to pass the key to
5588                            // the application, just pass it to the session service.
5589
5590                            MediaSessionLegacyHelper.getHelper(mContext)
5591                                    .sendVolumeKeyEvent(event, false);
5592                            break;
5593                        }
5594                    }
5595                }
5596                if (mUseTvRouting) {
5597                    // On TVs, defer special key handlings to
5598                    // {@link interceptKeyBeforeDispatching()}.
5599                    result |= ACTION_PASS_TO_USER;
5600                } else if ((result & ACTION_PASS_TO_USER) == 0) {
5601                    // If we aren't passing to the user and no one else
5602                    // handled it send it to the session manager to
5603                    // figure out.
5604                    MediaSessionLegacyHelper.getHelper(mContext)
5605                            .sendVolumeKeyEvent(event, true);
5606                }
5607                break;
5608            }
5609
5610            case KeyEvent.KEYCODE_ENDCALL: {
5611                result &= ~ACTION_PASS_TO_USER;
5612                if (down) {
5613                    TelecomManager telecomManager = getTelecommService();
5614                    boolean hungUp = false;
5615                    if (telecomManager != null) {
5616                        hungUp = telecomManager.endCall();
5617                    }
5618                    if (interactive && !hungUp) {
5619                        mEndCallKeyHandled = false;
5620                        mHandler.postDelayed(mEndCallLongPress,
5621                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
5622                    } else {
5623                        mEndCallKeyHandled = true;
5624                    }
5625                } else {
5626                    if (!mEndCallKeyHandled) {
5627                        mHandler.removeCallbacks(mEndCallLongPress);
5628                        if (!canceled) {
5629                            if ((mEndcallBehavior
5630                                    & Settings.System.END_BUTTON_BEHAVIOR_HOME) != 0) {
5631                                if (goHome()) {
5632                                    break;
5633                                }
5634                            }
5635                            if ((mEndcallBehavior
5636                                    & Settings.System.END_BUTTON_BEHAVIOR_SLEEP) != 0) {
5637                                mPowerManager.goToSleep(event.getEventTime(),
5638                                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
5639                                isWakeKey = false;
5640                            }
5641                        }
5642                    }
5643                }
5644                break;
5645            }
5646
5647            case KeyEvent.KEYCODE_POWER: {
5648                result &= ~ACTION_PASS_TO_USER;
5649                isWakeKey = false; // wake-up will be handled separately
5650                if (down) {
5651                    interceptPowerKeyDown(event, interactive);
5652                } else {
5653                    interceptPowerKeyUp(event, interactive, canceled);
5654                }
5655                break;
5656            }
5657
5658            case KeyEvent.KEYCODE_SLEEP: {
5659                result &= ~ACTION_PASS_TO_USER;
5660                isWakeKey = false;
5661                if (!mPowerManager.isInteractive()) {
5662                    useHapticFeedback = false; // suppress feedback if already non-interactive
5663                }
5664                if (down) {
5665                    sleepPress(event.getEventTime());
5666                } else {
5667                    sleepRelease(event.getEventTime());
5668                }
5669                break;
5670            }
5671
5672            case KeyEvent.KEYCODE_SOFT_SLEEP: {
5673                result &= ~ACTION_PASS_TO_USER;
5674                isWakeKey = false;
5675                if (!down) {
5676                    mPowerManagerInternal.setUserInactiveOverrideFromWindowManager();
5677                }
5678                break;
5679            }
5680
5681            case KeyEvent.KEYCODE_WAKEUP: {
5682                result &= ~ACTION_PASS_TO_USER;
5683                isWakeKey = true;
5684                break;
5685            }
5686
5687            case KeyEvent.KEYCODE_MEDIA_PLAY:
5688            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5689            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5690            case KeyEvent.KEYCODE_HEADSETHOOK:
5691            case KeyEvent.KEYCODE_MUTE:
5692            case KeyEvent.KEYCODE_MEDIA_STOP:
5693            case KeyEvent.KEYCODE_MEDIA_NEXT:
5694            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5695            case KeyEvent.KEYCODE_MEDIA_REWIND:
5696            case KeyEvent.KEYCODE_MEDIA_RECORD:
5697            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5698            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: {
5699                if (MediaSessionLegacyHelper.getHelper(mContext).isGlobalPriorityActive()) {
5700                    // If the global session is active pass all media keys to it
5701                    // instead of the active window.
5702                    result &= ~ACTION_PASS_TO_USER;
5703                }
5704                if ((result & ACTION_PASS_TO_USER) == 0) {
5705                    // Only do this if we would otherwise not pass it to the user. In that
5706                    // case, the PhoneWindow class will do the same thing, except it will
5707                    // only do it if the showing app doesn't process the key on its own.
5708                    // Note that we need to make a copy of the key event here because the
5709                    // original key event will be recycled when we return.
5710                    mBroadcastWakeLock.acquire();
5711                    Message msg = mHandler.obtainMessage(MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK,
5712                            new KeyEvent(event));
5713                    msg.setAsynchronous(true);
5714                    msg.sendToTarget();
5715                }
5716                break;
5717            }
5718
5719            case KeyEvent.KEYCODE_CALL: {
5720                if (down) {
5721                    TelecomManager telecomManager = getTelecommService();
5722                    if (telecomManager != null) {
5723                        if (telecomManager.isRinging()) {
5724                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5725                                  + " CALL key-down while ringing: Answer the call!");
5726                            telecomManager.acceptRingingCall();
5727
5728                            // And *don't* pass this key thru to the current activity
5729                            // (which is presumably the InCallScreen.)
5730                            result &= ~ACTION_PASS_TO_USER;
5731                        }
5732                    }
5733                }
5734                break;
5735            }
5736            case KeyEvent.KEYCODE_VOICE_ASSIST: {
5737                // Only do this if we would otherwise not pass it to the user. In that case,
5738                // interceptKeyBeforeDispatching would apply a similar but different policy in
5739                // order to invoke voice assist actions. Note that we need to make a copy of the
5740                // key event here because the original key event will be recycled when we return.
5741                if ((result & ACTION_PASS_TO_USER) == 0 && !down) {
5742                    mBroadcastWakeLock.acquire();
5743                    Message msg = mHandler.obtainMessage(MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK,
5744                            keyguardActive ? 1 : 0, 0);
5745                    msg.setAsynchronous(true);
5746                    msg.sendToTarget();
5747                }
5748                break;
5749            }
5750            case KeyEvent.KEYCODE_WINDOW: {
5751                if (mShortPressWindowBehavior == SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE) {
5752                    if (mTvPictureInPictureVisible) {
5753                        // Consumes the key only if picture-in-picture is visible
5754                        // to show picture-in-picture control menu.
5755                        // This gives a chance to the foreground activity
5756                        // to customize PIP key behavior.
5757                        if (!down) {
5758                            showTvPictureInPictureMenu(event);
5759                        }
5760                        result &= ~ACTION_PASS_TO_USER;
5761                    }
5762                }
5763                break;
5764            }
5765        }
5766
5767        if (useHapticFeedback) {
5768            performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
5769        }
5770
5771        if (isWakeKey) {
5772            wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5773        }
5774
5775        return result;
5776    }
5777
5778    /**
5779     * Returns true if the key can have global actions attached to it.
5780     * We reserve all power management keys for the system since they require
5781     * very careful handling.
5782     */
5783    private static boolean isValidGlobalKey(int keyCode) {
5784        switch (keyCode) {
5785            case KeyEvent.KEYCODE_POWER:
5786            case KeyEvent.KEYCODE_WAKEUP:
5787            case KeyEvent.KEYCODE_SLEEP:
5788                return false;
5789            default:
5790                return true;
5791        }
5792    }
5793
5794    /**
5795     * When the screen is off we ignore some keys that might otherwise typically
5796     * be considered wake keys.  We filter them out here.
5797     *
5798     * {@link KeyEvent#KEYCODE_POWER} is notably absent from this list because it
5799     * is always considered a wake key.
5800     */
5801    private boolean isWakeKeyWhenScreenOff(int keyCode) {
5802        switch (keyCode) {
5803            // ignore volume keys unless docked
5804            case KeyEvent.KEYCODE_VOLUME_UP:
5805            case KeyEvent.KEYCODE_VOLUME_DOWN:
5806            case KeyEvent.KEYCODE_VOLUME_MUTE:
5807                return mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;
5808
5809            // ignore media and camera keys
5810            case KeyEvent.KEYCODE_MUTE:
5811            case KeyEvent.KEYCODE_HEADSETHOOK:
5812            case KeyEvent.KEYCODE_MEDIA_PLAY:
5813            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5814            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5815            case KeyEvent.KEYCODE_MEDIA_STOP:
5816            case KeyEvent.KEYCODE_MEDIA_NEXT:
5817            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5818            case KeyEvent.KEYCODE_MEDIA_REWIND:
5819            case KeyEvent.KEYCODE_MEDIA_RECORD:
5820            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5821            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK:
5822            case KeyEvent.KEYCODE_CAMERA:
5823                return false;
5824        }
5825        return true;
5826    }
5827
5828
5829    /** {@inheritDoc} */
5830    @Override
5831    public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) {
5832        if ((policyFlags & FLAG_WAKE) != 0) {
5833            if (wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotion,
5834                    "android.policy:MOTION")) {
5835                return 0;
5836            }
5837        }
5838
5839        if (shouldDispatchInputWhenNonInteractive()) {
5840            return ACTION_PASS_TO_USER;
5841        }
5842
5843        // If we have not passed the action up and we are in theater mode without dreaming,
5844        // there will be no dream to intercept the touch and wake into ambient.  The device should
5845        // wake up in this case.
5846        if (isTheaterModeEnabled() && (policyFlags & FLAG_WAKE) != 0) {
5847            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotionWhenNotDreaming,
5848                    "android.policy:MOTION");
5849        }
5850
5851        return 0;
5852    }
5853
5854    private boolean shouldDispatchInputWhenNonInteractive() {
5855        final boolean displayOff = (mDisplay == null || mDisplay.getState() == Display.STATE_OFF);
5856
5857        if (displayOff && !mHasFeatureWatch) {
5858            return false;
5859        }
5860
5861        // Send events to keyguard while the screen is on and it's showing.
5862        if (isKeyguardShowingAndNotOccluded() && !displayOff) {
5863            return true;
5864        }
5865
5866        // Send events to a dozing dream even if the screen is off since the dream
5867        // is in control of the state of the screen.
5868        IDreamManager dreamManager = getDreamManager();
5869
5870        try {
5871            if (dreamManager != null && dreamManager.isDreaming()) {
5872                return true;
5873            }
5874        } catch (RemoteException e) {
5875            Slog.e(TAG, "RemoteException when checking if dreaming", e);
5876        }
5877
5878        // Otherwise, consume events since the user can't see what is being
5879        // interacted with.
5880        return false;
5881    }
5882
5883    private void dispatchDirectAudioEvent(KeyEvent event) {
5884        if (event.getAction() != KeyEvent.ACTION_DOWN) {
5885            return;
5886        }
5887        int keyCode = event.getKeyCode();
5888        int flags = AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_PLAY_SOUND
5889                | AudioManager.FLAG_FROM_KEY;
5890        String pkgName = mContext.getOpPackageName();
5891        switch (keyCode) {
5892            case KeyEvent.KEYCODE_VOLUME_UP:
5893                try {
5894                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_RAISE,
5895                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
5896                } catch (RemoteException e) {
5897                    Log.e(TAG, "Error dispatching volume up in dispatchTvAudioEvent.", e);
5898                }
5899                break;
5900            case KeyEvent.KEYCODE_VOLUME_DOWN:
5901                try {
5902                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_LOWER,
5903                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
5904                } catch (RemoteException e) {
5905                    Log.e(TAG, "Error dispatching volume down in dispatchTvAudioEvent.", e);
5906                }
5907                break;
5908            case KeyEvent.KEYCODE_VOLUME_MUTE:
5909                try {
5910                    if (event.getRepeatCount() == 0) {
5911                        getAudioService().adjustSuggestedStreamVolume(
5912                                AudioManager.ADJUST_TOGGLE_MUTE,
5913                                AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
5914                    }
5915                } catch (RemoteException e) {
5916                    Log.e(TAG, "Error dispatching mute in dispatchTvAudioEvent.", e);
5917                }
5918                break;
5919        }
5920    }
5921
5922    void dispatchMediaKeyWithWakeLock(KeyEvent event) {
5923        if (DEBUG_INPUT) {
5924            Slog.d(TAG, "dispatchMediaKeyWithWakeLock: " + event);
5925        }
5926
5927        if (mHavePendingMediaKeyRepeatWithWakeLock) {
5928            if (DEBUG_INPUT) {
5929                Slog.d(TAG, "dispatchMediaKeyWithWakeLock: canceled repeat");
5930            }
5931
5932            mHandler.removeMessages(MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK);
5933            mHavePendingMediaKeyRepeatWithWakeLock = false;
5934            mBroadcastWakeLock.release(); // pending repeat was holding onto the wake lock
5935        }
5936
5937        dispatchMediaKeyWithWakeLockToAudioService(event);
5938
5939        if (event.getAction() == KeyEvent.ACTION_DOWN
5940                && event.getRepeatCount() == 0) {
5941            mHavePendingMediaKeyRepeatWithWakeLock = true;
5942
5943            Message msg = mHandler.obtainMessage(
5944                    MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK, event);
5945            msg.setAsynchronous(true);
5946            mHandler.sendMessageDelayed(msg, ViewConfiguration.getKeyRepeatTimeout());
5947        } else {
5948            mBroadcastWakeLock.release();
5949        }
5950    }
5951
5952    void dispatchMediaKeyRepeatWithWakeLock(KeyEvent event) {
5953        mHavePendingMediaKeyRepeatWithWakeLock = false;
5954
5955        KeyEvent repeatEvent = KeyEvent.changeTimeRepeat(event,
5956                SystemClock.uptimeMillis(), 1, event.getFlags() | KeyEvent.FLAG_LONG_PRESS);
5957        if (DEBUG_INPUT) {
5958            Slog.d(TAG, "dispatchMediaKeyRepeatWithWakeLock: " + repeatEvent);
5959        }
5960
5961        dispatchMediaKeyWithWakeLockToAudioService(repeatEvent);
5962        mBroadcastWakeLock.release();
5963    }
5964
5965    void dispatchMediaKeyWithWakeLockToAudioService(KeyEvent event) {
5966        if (ActivityManagerNative.isSystemReady()) {
5967            MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(event, true);
5968        }
5969    }
5970
5971    void launchVoiceAssistWithWakeLock(boolean keyguardActive) {
5972        IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
5973                ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
5974        if (dic != null) {
5975            try {
5976                dic.exitIdle("voice-search");
5977            } catch (RemoteException e) {
5978            }
5979        }
5980        Intent voiceIntent =
5981            new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
5982        voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, keyguardActive);
5983        startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
5984        mBroadcastWakeLock.release();
5985    }
5986
5987    BroadcastReceiver mDockReceiver = new BroadcastReceiver() {
5988        @Override
5989        public void onReceive(Context context, Intent intent) {
5990            if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
5991                mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
5992                        Intent.EXTRA_DOCK_STATE_UNDOCKED);
5993            } else {
5994                try {
5995                    IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
5996                            ServiceManager.getService(Context.UI_MODE_SERVICE));
5997                    mUiMode = uiModeService.getCurrentModeType();
5998                } catch (RemoteException e) {
5999                }
6000            }
6001            updateRotation(true);
6002            synchronized (mLock) {
6003                updateOrientationListenerLp();
6004            }
6005        }
6006    };
6007
6008    BroadcastReceiver mDreamReceiver = new BroadcastReceiver() {
6009        @Override
6010        public void onReceive(Context context, Intent intent) {
6011            if (Intent.ACTION_DREAMING_STARTED.equals(intent.getAction())) {
6012                if (mKeyguardDelegate != null) {
6013                    mKeyguardDelegate.onDreamingStarted();
6014                }
6015            } else if (Intent.ACTION_DREAMING_STOPPED.equals(intent.getAction())) {
6016                if (mKeyguardDelegate != null) {
6017                    mKeyguardDelegate.onDreamingStopped();
6018                }
6019            }
6020        }
6021    };
6022
6023    BroadcastReceiver mMultiuserReceiver = new BroadcastReceiver() {
6024        @Override
6025        public void onReceive(Context context, Intent intent) {
6026            if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) {
6027                // tickle the settings observer: this first ensures that we're
6028                // observing the relevant settings for the newly-active user,
6029                // and then updates our own bookkeeping based on the now-
6030                // current user.
6031                mSettingsObserver.onChange(false);
6032
6033                // force a re-application of focused window sysui visibility.
6034                // the window may never have been shown for this user
6035                // e.g. the keyguard when going through the new-user setup flow
6036                synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6037                    mLastSystemUiFlags = 0;
6038                    updateSystemUiVisibilityLw();
6039                }
6040            }
6041        }
6042    };
6043
6044    private final Runnable mHiddenNavPanic = new Runnable() {
6045        @Override
6046        public void run() {
6047            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6048                if (!isUserSetupComplete()) {
6049                    // Swipe-up for navigation bar is disabled during setup
6050                    return;
6051                }
6052                mPendingPanicGestureUptime = SystemClock.uptimeMillis();
6053                mNavigationBarController.showTransient();
6054            }
6055        }
6056    };
6057
6058    private void requestTransientBars(WindowState swipeTarget) {
6059        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6060            if (!isUserSetupComplete()) {
6061                // Swipe-up for navigation bar is disabled during setup
6062                return;
6063            }
6064            boolean sb = mStatusBarController.checkShowTransientBarLw();
6065            boolean nb = mNavigationBarController.checkShowTransientBarLw();
6066            if (sb || nb) {
6067                // Don't show status bar when swiping on already visible navigation bar
6068                if (!nb && swipeTarget == mNavigationBar) {
6069                    if (DEBUG) Slog.d(TAG, "Not showing transient bar, wrong swipe target");
6070                    return;
6071                }
6072                if (sb) mStatusBarController.showTransient();
6073                if (nb) mNavigationBarController.showTransient();
6074                mImmersiveModeConfirmation.confirmCurrentPrompt();
6075                updateSystemUiVisibilityLw();
6076            }
6077        }
6078    }
6079
6080    // Called on the PowerManager's Notifier thread.
6081    @Override
6082    public void startedGoingToSleep(int why) {
6083        if (DEBUG_WAKEUP) Slog.i(TAG, "Started going to sleep... (why=" + why + ")");
6084        mCameraGestureTriggeredDuringGoingToSleep = false;
6085        mGoingToSleep = true;
6086        if (mKeyguardDelegate != null) {
6087            mKeyguardDelegate.onStartedGoingToSleep(why);
6088        }
6089    }
6090
6091    // Called on the PowerManager's Notifier thread.
6092    @Override
6093    public void finishedGoingToSleep(int why) {
6094        EventLog.writeEvent(70000, 0);
6095        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished going to sleep... (why=" + why + ")");
6096        MetricsLogger.histogram(mContext, "screen_timeout", mLockScreenTimeout / 1000);
6097
6098        mGoingToSleep = false;
6099
6100        // We must get this work done here because the power manager will drop
6101        // the wake lock and let the system suspend once this function returns.
6102        synchronized (mLock) {
6103            mAwake = false;
6104            updateWakeGestureListenerLp();
6105            updateOrientationListenerLp();
6106            updateLockScreenTimeout();
6107        }
6108        if (mKeyguardDelegate != null) {
6109            mKeyguardDelegate.onFinishedGoingToSleep(why,
6110                    mCameraGestureTriggeredDuringGoingToSleep);
6111        }
6112        mCameraGestureTriggeredDuringGoingToSleep = false;
6113    }
6114
6115    // Called on the PowerManager's Notifier thread.
6116    @Override
6117    public void startedWakingUp() {
6118        EventLog.writeEvent(70000, 1);
6119        if (DEBUG_WAKEUP) Slog.i(TAG, "Started waking up...");
6120
6121        // Since goToSleep performs these functions synchronously, we must
6122        // do the same here.  We cannot post this work to a handler because
6123        // that might cause it to become reordered with respect to what
6124        // may happen in a future call to goToSleep.
6125        synchronized (mLock) {
6126            mAwake = true;
6127
6128            updateWakeGestureListenerLp();
6129            updateOrientationListenerLp();
6130            updateLockScreenTimeout();
6131        }
6132
6133        if (mKeyguardDelegate != null) {
6134            mKeyguardDelegate.onStartedWakingUp();
6135        }
6136    }
6137
6138    // Called on the PowerManager's Notifier thread.
6139    @Override
6140    public void finishedWakingUp() {
6141        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished waking up...");
6142    }
6143
6144    private void wakeUpFromPowerKey(long eventTime) {
6145        wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey, "android.policy:POWER");
6146    }
6147
6148    private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode, String reason) {
6149        final boolean theaterModeEnabled = isTheaterModeEnabled();
6150        if (!wakeInTheaterMode && theaterModeEnabled) {
6151            return false;
6152        }
6153
6154        if (theaterModeEnabled) {
6155            Settings.Global.putInt(mContext.getContentResolver(),
6156                    Settings.Global.THEATER_MODE_ON, 0);
6157        }
6158
6159        mPowerManager.wakeUp(wakeTime, reason);
6160        return true;
6161    }
6162
6163    private void finishKeyguardDrawn() {
6164        synchronized (mLock) {
6165            if (!mScreenOnEarly || mKeyguardDrawComplete) {
6166                return; // We are not awake yet or we have already informed of this event.
6167            }
6168
6169            mKeyguardDrawComplete = true;
6170            if (mKeyguardDelegate != null) {
6171                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
6172            }
6173            mWindowManagerDrawComplete = false;
6174        }
6175
6176        // ... eventually calls finishWindowsDrawn which will finalize our screen turn on
6177        // as well as enabling the orientation change logic/sensor.
6178        mWindowManagerInternal.waitForAllWindowsDrawn(mWindowManagerDrawCallback,
6179                WAITING_FOR_DRAWN_TIMEOUT);
6180    }
6181
6182    // Called on the DisplayManager's DisplayPowerController thread.
6183    @Override
6184    public void screenTurnedOff() {
6185        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turned off...");
6186
6187        updateScreenOffSleepToken(true);
6188        synchronized (mLock) {
6189            mScreenOnEarly = false;
6190            mScreenOnFully = false;
6191            mKeyguardDrawComplete = false;
6192            mWindowManagerDrawComplete = false;
6193            mScreenOnListener = null;
6194            updateOrientationListenerLp();
6195
6196            if (mKeyguardDelegate != null) {
6197                mKeyguardDelegate.onScreenTurnedOff();
6198            }
6199        }
6200    }
6201
6202    // Called on the DisplayManager's DisplayPowerController thread.
6203    @Override
6204    public void screenTurningOn(final ScreenOnListener screenOnListener) {
6205        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turning on...");
6206
6207        updateScreenOffSleepToken(false);
6208        synchronized (mLock) {
6209            mScreenOnEarly = true;
6210            mScreenOnFully = false;
6211            mKeyguardDrawComplete = false;
6212            mWindowManagerDrawComplete = false;
6213            mScreenOnListener = screenOnListener;
6214
6215            if (mKeyguardDelegate != null) {
6216                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
6217                mHandler.sendEmptyMessageDelayed(MSG_KEYGUARD_DRAWN_TIMEOUT, 1000);
6218                mKeyguardDelegate.onScreenTurningOn(mKeyguardDrawnCallback);
6219            } else {
6220                if (DEBUG_WAKEUP) Slog.d(TAG,
6221                        "null mKeyguardDelegate: setting mKeyguardDrawComplete.");
6222                finishKeyguardDrawn();
6223            }
6224        }
6225    }
6226
6227    // Called on the DisplayManager's DisplayPowerController thread.
6228    @Override
6229    public void screenTurnedOn() {
6230        synchronized (mLock) {
6231            if (mKeyguardDelegate != null) {
6232                mKeyguardDelegate.onScreenTurnedOn();
6233            }
6234        }
6235    }
6236
6237    private void finishWindowsDrawn() {
6238        synchronized (mLock) {
6239            if (!mScreenOnEarly || mWindowManagerDrawComplete) {
6240                return; // Screen is not turned on or we did already handle this case earlier.
6241            }
6242
6243            mWindowManagerDrawComplete = true;
6244        }
6245
6246        finishScreenTurningOn();
6247    }
6248
6249    private void finishScreenTurningOn() {
6250        synchronized (mLock) {
6251            // We have just finished drawing screen content. Since the orientation listener
6252            // gets only installed when all windows are drawn, we try to install it again.
6253            updateOrientationListenerLp();
6254        }
6255        final ScreenOnListener listener;
6256        final boolean enableScreen;
6257        synchronized (mLock) {
6258            if (DEBUG_WAKEUP) Slog.d(TAG,
6259                    "finishScreenTurningOn: mAwake=" + mAwake
6260                            + ", mScreenOnEarly=" + mScreenOnEarly
6261                            + ", mScreenOnFully=" + mScreenOnFully
6262                            + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
6263                            + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
6264
6265            if (mScreenOnFully || !mScreenOnEarly || !mWindowManagerDrawComplete
6266                    || (mAwake && !mKeyguardDrawComplete)) {
6267                return; // spurious or not ready yet
6268            }
6269
6270            if (DEBUG_WAKEUP) Slog.i(TAG, "Finished screen turning on...");
6271            listener = mScreenOnListener;
6272            mScreenOnListener = null;
6273            mScreenOnFully = true;
6274
6275            // Remember the first time we draw the keyguard so we know when we're done with
6276            // the main part of booting and can enable the screen and hide boot messages.
6277            if (!mKeyguardDrawnOnce && mAwake) {
6278                mKeyguardDrawnOnce = true;
6279                enableScreen = true;
6280                if (mBootMessageNeedsHiding) {
6281                    mBootMessageNeedsHiding = false;
6282                    hideBootMessages();
6283                }
6284            } else {
6285                enableScreen = false;
6286            }
6287        }
6288
6289        if (listener != null) {
6290            listener.onScreenOn();
6291        }
6292
6293        if (enableScreen) {
6294            try {
6295                mWindowManager.enableScreenIfNeeded();
6296            } catch (RemoteException unhandled) {
6297            }
6298        }
6299    }
6300
6301    private void handleHideBootMessage() {
6302        synchronized (mLock) {
6303            if (!mKeyguardDrawnOnce) {
6304                mBootMessageNeedsHiding = true;
6305                return; // keyguard hasn't drawn the first time yet, not done booting
6306            }
6307        }
6308
6309        if (mBootMsgDialog != null) {
6310            if (DEBUG_WAKEUP) Slog.d(TAG, "handleHideBootMessage: dismissing");
6311            mBootMsgDialog.dismiss();
6312            mBootMsgDialog = null;
6313        }
6314    }
6315
6316    @Override
6317    public boolean isScreenOn() {
6318        return mScreenOnFully;
6319    }
6320
6321    /** {@inheritDoc} */
6322    @Override
6323    public void enableKeyguard(boolean enabled) {
6324        if (mKeyguardDelegate != null) {
6325            mKeyguardDelegate.setKeyguardEnabled(enabled);
6326        }
6327    }
6328
6329    /** {@inheritDoc} */
6330    @Override
6331    public void exitKeyguardSecurely(OnKeyguardExitResult callback) {
6332        if (mKeyguardDelegate != null) {
6333            mKeyguardDelegate.verifyUnlock(callback);
6334        }
6335    }
6336
6337    private boolean isKeyguardShowingAndNotOccluded() {
6338        if (mKeyguardDelegate == null) return false;
6339        return mKeyguardDelegate.isShowing() && !mKeyguardOccluded;
6340    }
6341
6342    /** {@inheritDoc} */
6343    @Override
6344    public boolean isKeyguardLocked() {
6345        return keyguardOn();
6346    }
6347
6348    /** {@inheritDoc} */
6349    @Override
6350    public boolean isKeyguardSecure(int userId) {
6351        if (mKeyguardDelegate == null) return false;
6352        return mKeyguardDelegate.isSecure(userId);
6353    }
6354
6355    /** {@inheritDoc} */
6356    @Override
6357    public boolean isKeyguardShowingOrOccluded() {
6358        return mKeyguardDelegate == null ? false : mKeyguardDelegate.isShowing();
6359    }
6360
6361    /** {@inheritDoc} */
6362    @Override
6363    public boolean inKeyguardRestrictedKeyInputMode() {
6364        if (mKeyguardDelegate == null) return false;
6365        return mKeyguardDelegate.isInputRestricted();
6366    }
6367
6368    @Override
6369    public void dismissKeyguardLw() {
6370        if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
6371            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.dismissKeyguardLw");
6372            mHandler.post(new Runnable() {
6373                @Override
6374                public void run() {
6375                    // ask the keyguard to prompt the user to authenticate if necessary
6376                    mKeyguardDelegate.dismiss();
6377                }
6378            });
6379        }
6380    }
6381
6382    @Override
6383    public void notifyActivityDrawnForKeyguardLw() {
6384        if (mKeyguardDelegate != null) {
6385            mHandler.post(new Runnable() {
6386                @Override
6387                public void run() {
6388                    mKeyguardDelegate.onActivityDrawn();
6389                }
6390            });
6391        }
6392    }
6393
6394    @Override
6395    public boolean isKeyguardDrawnLw() {
6396        synchronized (mLock) {
6397            return mKeyguardDrawnOnce;
6398        }
6399    }
6400
6401    @Override
6402    public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
6403        if (mKeyguardDelegate != null) {
6404            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.startKeyguardExitAnimation");
6405            mKeyguardDelegate.startKeyguardExitAnimation(startTime, fadeoutDuration);
6406        }
6407    }
6408
6409    @Override
6410    public void getStableInsetsLw(int displayRotation, int displayWidth, int displayHeight,
6411            Rect outInsets) {
6412        outInsets.setEmpty();
6413
6414        // Navigation bar and status bar.
6415        getNonDecorInsetsLw(displayRotation, displayWidth, displayHeight, outInsets);
6416        if (mStatusBar != null) {
6417            outInsets.top = mStatusBarHeight;
6418        }
6419    }
6420
6421    @Override
6422    public void getNonDecorInsetsLw(int displayRotation, int displayWidth, int displayHeight,
6423            Rect outInsets) {
6424        outInsets.setEmpty();
6425
6426        // Only navigation bar
6427        if (mNavigationBar != null) {
6428            if (isNavigationBarOnBottom(displayWidth, displayHeight)) {
6429                outInsets.bottom = getNavigationBarHeight(displayRotation, mUiMode);
6430            } else {
6431                outInsets.right = getNavigationBarWidth(displayRotation, mUiMode);
6432            }
6433        }
6434    }
6435
6436    @Override
6437    public boolean isNavBarForcedShownLw(WindowState windowState) {
6438        return mForceShowSystemBars;
6439    }
6440
6441    @Override
6442    public boolean isDockSideAllowed(int dockSide) {
6443
6444        // We do not allow all dock sides at which the navigation bar touches the docked stack.
6445        if (!mNavigationBarCanMove) {
6446            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT || dockSide == DOCKED_RIGHT;
6447        } else {
6448            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT;
6449        }
6450    }
6451
6452    void sendCloseSystemWindows() {
6453        PhoneWindow.sendCloseSystemWindows(mContext, null);
6454    }
6455
6456    void sendCloseSystemWindows(String reason) {
6457        PhoneWindow.sendCloseSystemWindows(mContext, reason);
6458    }
6459
6460    @Override
6461    public int rotationForOrientationLw(int orientation, int lastRotation) {
6462        if (false) {
6463            Slog.v(TAG, "rotationForOrientationLw(orient="
6464                        + orientation + ", last=" + lastRotation
6465                        + "); user=" + mUserRotation + " "
6466                        + ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED)
6467                            ? "USER_ROTATION_LOCKED" : "")
6468                        );
6469        }
6470
6471        if (mForceDefaultOrientation) {
6472            return Surface.ROTATION_0;
6473        }
6474
6475        synchronized (mLock) {
6476            int sensorRotation = mOrientationListener.getProposedRotation(); // may be -1
6477            if (sensorRotation < 0) {
6478                sensorRotation = lastRotation;
6479            }
6480
6481            final int preferredRotation;
6482            if (mLidState == LID_OPEN && mLidOpenRotation >= 0) {
6483                // Ignore sensor when lid switch is open and rotation is forced.
6484                preferredRotation = mLidOpenRotation;
6485            } else if (mDockMode == Intent.EXTRA_DOCK_STATE_CAR
6486                    && (mCarDockEnablesAccelerometer || mCarDockRotation >= 0)) {
6487                // Ignore sensor when in car dock unless explicitly enabled.
6488                // This case can override the behavior of NOSENSOR, and can also
6489                // enable 180 degree rotation while docked.
6490                preferredRotation = mCarDockEnablesAccelerometer
6491                        ? sensorRotation : mCarDockRotation;
6492            } else if ((mDockMode == Intent.EXTRA_DOCK_STATE_DESK
6493                    || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
6494                    || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK)
6495                    && (mDeskDockEnablesAccelerometer || mDeskDockRotation >= 0)) {
6496                // Ignore sensor when in desk dock unless explicitly enabled.
6497                // This case can override the behavior of NOSENSOR, and can also
6498                // enable 180 degree rotation while docked.
6499                preferredRotation = mDeskDockEnablesAccelerometer
6500                        ? sensorRotation : mDeskDockRotation;
6501            } else if (mHdmiPlugged && mDemoHdmiRotationLock) {
6502                // Ignore sensor when plugged into HDMI when demo HDMI rotation lock enabled.
6503                // Note that the dock orientation overrides the HDMI orientation.
6504                preferredRotation = mDemoHdmiRotation;
6505            } else if (mHdmiPlugged && mDockMode == Intent.EXTRA_DOCK_STATE_UNDOCKED
6506                    && mUndockedHdmiRotation >= 0) {
6507                // Ignore sensor when plugged into HDMI and an undocked orientation has
6508                // been specified in the configuration (only for legacy devices without
6509                // full multi-display support).
6510                // Note that the dock orientation overrides the HDMI orientation.
6511                preferredRotation = mUndockedHdmiRotation;
6512            } else if (mDemoRotationLock) {
6513                // Ignore sensor when demo rotation lock is enabled.
6514                // Note that the dock orientation and HDMI rotation lock override this.
6515                preferredRotation = mDemoRotation;
6516            } else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {
6517                // Application just wants to remain locked in the last rotation.
6518                preferredRotation = lastRotation;
6519            } else if (!mSupportAutoRotation) {
6520                // If we don't support auto-rotation then bail out here and ignore
6521                // the sensor and any rotation lock settings.
6522                preferredRotation = -1;
6523            } else if ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE
6524                            && (orientation == ActivityInfo.SCREEN_ORIENTATION_USER
6525                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
6526                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
6527                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT
6528                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER))
6529                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
6530                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
6531                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE
6532                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) {
6533                // Otherwise, use sensor only if requested by the application or enabled
6534                // by default for USER or UNSPECIFIED modes.  Does not apply to NOSENSOR.
6535                if (mAllowAllRotations < 0) {
6536                    // Can't read this during init() because the context doesn't
6537                    // have display metrics at that time so we cannot determine
6538                    // tablet vs. phone then.
6539                    mAllowAllRotations = mContext.getResources().getBoolean(
6540                            com.android.internal.R.bool.config_allowAllRotations) ? 1 : 0;
6541                }
6542                if (sensorRotation != Surface.ROTATION_180
6543                        || mAllowAllRotations == 1
6544                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
6545                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER) {
6546                    preferredRotation = sensorRotation;
6547                } else {
6548                    preferredRotation = lastRotation;
6549                }
6550            } else if (mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED
6551                    && orientation != ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
6552                // Apply rotation lock.  Does not apply to NOSENSOR.
6553                // The idea is that the user rotation expresses a weak preference for the direction
6554                // of gravity and as NOSENSOR is never affected by gravity, then neither should
6555                // NOSENSOR be affected by rotation lock (although it will be affected by docks).
6556                preferredRotation = mUserRotation;
6557            } else {
6558                // No overriding preference.
6559                // We will do exactly what the application asked us to do.
6560                preferredRotation = -1;
6561            }
6562
6563            switch (orientation) {
6564                case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6565                    // Return portrait unless overridden.
6566                    if (isAnyPortrait(preferredRotation)) {
6567                        return preferredRotation;
6568                    }
6569                    return mPortraitRotation;
6570
6571                case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6572                    // Return landscape unless overridden.
6573                    if (isLandscapeOrSeascape(preferredRotation)) {
6574                        return preferredRotation;
6575                    }
6576                    return mLandscapeRotation;
6577
6578                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6579                    // Return reverse portrait unless overridden.
6580                    if (isAnyPortrait(preferredRotation)) {
6581                        return preferredRotation;
6582                    }
6583                    return mUpsideDownRotation;
6584
6585                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6586                    // Return seascape unless overridden.
6587                    if (isLandscapeOrSeascape(preferredRotation)) {
6588                        return preferredRotation;
6589                    }
6590                    return mSeascapeRotation;
6591
6592                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6593                case ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE:
6594                    // Return either landscape rotation.
6595                    if (isLandscapeOrSeascape(preferredRotation)) {
6596                        return preferredRotation;
6597                    }
6598                    if (isLandscapeOrSeascape(lastRotation)) {
6599                        return lastRotation;
6600                    }
6601                    return mLandscapeRotation;
6602
6603                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6604                case ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT:
6605                    // Return either portrait rotation.
6606                    if (isAnyPortrait(preferredRotation)) {
6607                        return preferredRotation;
6608                    }
6609                    if (isAnyPortrait(lastRotation)) {
6610                        return lastRotation;
6611                    }
6612                    return mPortraitRotation;
6613
6614                default:
6615                    // For USER, UNSPECIFIED, NOSENSOR, SENSOR and FULL_SENSOR,
6616                    // just return the preferred orientation we already calculated.
6617                    if (preferredRotation >= 0) {
6618                        return preferredRotation;
6619                    }
6620                    return Surface.ROTATION_0;
6621            }
6622        }
6623    }
6624
6625    @Override
6626    public boolean rotationHasCompatibleMetricsLw(int orientation, int rotation) {
6627        switch (orientation) {
6628            case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6629            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6630            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6631                return isAnyPortrait(rotation);
6632
6633            case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6634            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6635            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6636                return isLandscapeOrSeascape(rotation);
6637
6638            default:
6639                return true;
6640        }
6641    }
6642
6643    @Override
6644    public void setRotationLw(int rotation) {
6645        mOrientationListener.setCurrentRotation(rotation);
6646    }
6647
6648    private boolean isLandscapeOrSeascape(int rotation) {
6649        return rotation == mLandscapeRotation || rotation == mSeascapeRotation;
6650    }
6651
6652    private boolean isAnyPortrait(int rotation) {
6653        return rotation == mPortraitRotation || rotation == mUpsideDownRotation;
6654    }
6655
6656    @Override
6657    public int getUserRotationMode() {
6658        return Settings.System.getIntForUser(mContext.getContentResolver(),
6659                Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
6660                        WindowManagerPolicy.USER_ROTATION_FREE :
6661                                WindowManagerPolicy.USER_ROTATION_LOCKED;
6662    }
6663
6664    // User rotation: to be used when all else fails in assigning an orientation to the device
6665    @Override
6666    public void setUserRotationMode(int mode, int rot) {
6667        ContentResolver res = mContext.getContentResolver();
6668
6669        // mUserRotationMode and mUserRotation will be assigned by the content observer
6670        if (mode == WindowManagerPolicy.USER_ROTATION_LOCKED) {
6671            Settings.System.putIntForUser(res,
6672                    Settings.System.USER_ROTATION,
6673                    rot,
6674                    UserHandle.USER_CURRENT);
6675            Settings.System.putIntForUser(res,
6676                    Settings.System.ACCELEROMETER_ROTATION,
6677                    0,
6678                    UserHandle.USER_CURRENT);
6679        } else {
6680            Settings.System.putIntForUser(res,
6681                    Settings.System.ACCELEROMETER_ROTATION,
6682                    1,
6683                    UserHandle.USER_CURRENT);
6684        }
6685    }
6686
6687    @Override
6688    public void setSafeMode(boolean safeMode) {
6689        mSafeMode = safeMode;
6690        performHapticFeedbackLw(null, safeMode
6691                ? HapticFeedbackConstants.SAFE_MODE_ENABLED
6692                : HapticFeedbackConstants.SAFE_MODE_DISABLED, true);
6693    }
6694
6695    static long[] getLongIntArray(Resources r, int resid) {
6696        int[] ar = r.getIntArray(resid);
6697        if (ar == null) {
6698            return null;
6699        }
6700        long[] out = new long[ar.length];
6701        for (int i=0; i<ar.length; i++) {
6702            out[i] = ar[i];
6703        }
6704        return out;
6705    }
6706
6707    /** {@inheritDoc} */
6708    @Override
6709    public void systemReady() {
6710        mKeyguardDelegate = new KeyguardServiceDelegate(mContext);
6711        mKeyguardDelegate.onSystemReady();
6712
6713        readCameraLensCoverState();
6714        updateUiMode();
6715        boolean bindKeyguardNow;
6716        synchronized (mLock) {
6717            updateOrientationListenerLp();
6718            mSystemReady = true;
6719            mHandler.post(new Runnable() {
6720                @Override
6721                public void run() {
6722                    updateSettings();
6723                }
6724            });
6725
6726            bindKeyguardNow = mDeferBindKeyguard;
6727            if (bindKeyguardNow) {
6728                // systemBooted ran but wasn't able to bind to the Keyguard, we'll do it now.
6729                mDeferBindKeyguard = false;
6730            }
6731        }
6732
6733        if (bindKeyguardNow) {
6734            mKeyguardDelegate.bindService(mContext);
6735            mKeyguardDelegate.onBootCompleted();
6736        }
6737        mSystemGestures.systemReady();
6738        mImmersiveModeConfirmation.systemReady();
6739    }
6740
6741    /** {@inheritDoc} */
6742    @Override
6743    public void systemBooted() {
6744        boolean bindKeyguardNow = false;
6745        synchronized (mLock) {
6746            // Time to bind Keyguard; take care to only bind it once, either here if ready or
6747            // in systemReady if not.
6748            if (mKeyguardDelegate != null) {
6749                bindKeyguardNow = true;
6750            } else {
6751                // Because mKeyguardDelegate is null, we know that the synchronized block in
6752                // systemReady didn't run yet and setting this will actually have an effect.
6753                mDeferBindKeyguard = true;
6754            }
6755        }
6756        if (bindKeyguardNow) {
6757            mKeyguardDelegate.bindService(mContext);
6758            mKeyguardDelegate.onBootCompleted();
6759        }
6760        synchronized (mLock) {
6761            mSystemBooted = true;
6762        }
6763        startedWakingUp();
6764        screenTurningOn(null);
6765        screenTurnedOn();
6766    }
6767
6768    ProgressDialog mBootMsgDialog = null;
6769
6770    /** {@inheritDoc} */
6771    @Override
6772    public void showBootMessage(final CharSequence msg, final boolean always) {
6773        mHandler.post(new Runnable() {
6774            @Override public void run() {
6775                if (mBootMsgDialog == null) {
6776                    int theme;
6777                    if (mHasFeatureWatch) {
6778                        theme = com.android.internal.R.style.Theme_Micro_Dialog_Alert;
6779                    } else if (mContext.getPackageManager().hasSystemFeature(FEATURE_TELEVISION)) {
6780                        theme = com.android.internal.R.style.Theme_Leanback_Dialog_Alert;
6781                    } else {
6782                        theme = 0;
6783                    }
6784
6785                    mBootMsgDialog = new ProgressDialog(mContext, theme) {
6786                        // This dialog will consume all events coming in to
6787                        // it, to avoid it trying to do things too early in boot.
6788                        @Override public boolean dispatchKeyEvent(KeyEvent event) {
6789                            return true;
6790                        }
6791                        @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
6792                            return true;
6793                        }
6794                        @Override public boolean dispatchTouchEvent(MotionEvent ev) {
6795                            return true;
6796                        }
6797                        @Override public boolean dispatchTrackballEvent(MotionEvent ev) {
6798                            return true;
6799                        }
6800                        @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) {
6801                            return true;
6802                        }
6803                        @Override public boolean dispatchPopulateAccessibilityEvent(
6804                                AccessibilityEvent event) {
6805                            return true;
6806                        }
6807                    };
6808                    if (mContext.getPackageManager().isUpgrade()) {
6809                        mBootMsgDialog.setTitle(R.string.android_upgrading_title);
6810                    } else {
6811                        mBootMsgDialog.setTitle(R.string.android_start_title);
6812                    }
6813                    mBootMsgDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
6814                    mBootMsgDialog.setIndeterminate(true);
6815                    mBootMsgDialog.getWindow().setType(
6816                            WindowManager.LayoutParams.TYPE_BOOT_PROGRESS);
6817                    mBootMsgDialog.getWindow().addFlags(
6818                            WindowManager.LayoutParams.FLAG_DIM_BEHIND
6819                            | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
6820                    mBootMsgDialog.getWindow().setDimAmount(1);
6821                    WindowManager.LayoutParams lp = mBootMsgDialog.getWindow().getAttributes();
6822                    lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
6823                    mBootMsgDialog.getWindow().setAttributes(lp);
6824                    mBootMsgDialog.setCancelable(false);
6825                    mBootMsgDialog.show();
6826                }
6827                mBootMsgDialog.setMessage(msg);
6828            }
6829        });
6830    }
6831
6832    /** {@inheritDoc} */
6833    @Override
6834    public void hideBootMessages() {
6835        mHandler.sendEmptyMessage(MSG_HIDE_BOOT_MESSAGE);
6836    }
6837
6838    /** {@inheritDoc} */
6839    @Override
6840    public void userActivity() {
6841        // ***************************************
6842        // NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
6843        // ***************************************
6844        // THIS IS CALLED FROM DEEP IN THE POWER MANAGER
6845        // WITH ITS LOCKS HELD.
6846        //
6847        // This code must be VERY careful about the locks
6848        // it acquires.
6849        // In fact, the current code acquires way too many,
6850        // and probably has lurking deadlocks.
6851
6852        synchronized (mScreenLockTimeout) {
6853            if (mLockScreenTimerActive) {
6854                // reset the timer
6855                mHandler.removeCallbacks(mScreenLockTimeout);
6856                mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
6857            }
6858        }
6859    }
6860
6861    class ScreenLockTimeout implements Runnable {
6862        Bundle options;
6863
6864        @Override
6865        public void run() {
6866            synchronized (this) {
6867                if (localLOGV) Log.v(TAG, "mScreenLockTimeout activating keyguard");
6868                if (mKeyguardDelegate != null) {
6869                    mKeyguardDelegate.doKeyguardTimeout(options);
6870                }
6871                mLockScreenTimerActive = false;
6872                options = null;
6873            }
6874        }
6875
6876        public void setLockOptions(Bundle options) {
6877            this.options = options;
6878        }
6879    }
6880
6881    ScreenLockTimeout mScreenLockTimeout = new ScreenLockTimeout();
6882
6883    @Override
6884    public void lockNow(Bundle options) {
6885        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);
6886        mHandler.removeCallbacks(mScreenLockTimeout);
6887        if (options != null) {
6888            // In case multiple calls are made to lockNow, we don't wipe out the options
6889            // until the runnable actually executes.
6890            mScreenLockTimeout.setLockOptions(options);
6891        }
6892        mHandler.post(mScreenLockTimeout);
6893    }
6894
6895    private void updateLockScreenTimeout() {
6896        synchronized (mScreenLockTimeout) {
6897            boolean enable = (mAllowLockscreenWhenOn && mAwake &&
6898                    mKeyguardDelegate != null && mKeyguardDelegate.isSecure(mCurrentUserId));
6899            if (mLockScreenTimerActive != enable) {
6900                if (enable) {
6901                    if (localLOGV) Log.v(TAG, "setting lockscreen timer");
6902                    mHandler.removeCallbacks(mScreenLockTimeout); // remove any pending requests
6903                    mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
6904                } else {
6905                    if (localLOGV) Log.v(TAG, "clearing lockscreen timer");
6906                    mHandler.removeCallbacks(mScreenLockTimeout);
6907                }
6908                mLockScreenTimerActive = enable;
6909            }
6910        }
6911    }
6912
6913    private void updateDreamingSleepToken(boolean acquire) {
6914        if (acquire) {
6915            if (mDreamingSleepToken == null) {
6916                mDreamingSleepToken = mActivityManagerInternal.acquireSleepToken("Dream");
6917            }
6918        } else {
6919            if (mDreamingSleepToken != null) {
6920                mDreamingSleepToken.release();
6921                mDreamingSleepToken = null;
6922            }
6923        }
6924    }
6925
6926    private void updateScreenOffSleepToken(boolean acquire) {
6927        if (acquire) {
6928            if (mScreenOffSleepToken == null) {
6929                mScreenOffSleepToken = mActivityManagerInternal.acquireSleepToken("ScreenOff");
6930            }
6931        } else {
6932            if (mScreenOffSleepToken != null) {
6933                mScreenOffSleepToken.release();
6934                mScreenOffSleepToken = null;
6935            }
6936        }
6937    }
6938
6939    /** {@inheritDoc} */
6940    @Override
6941    public void enableScreenAfterBoot() {
6942        readLidState();
6943        applyLidSwitchState();
6944        updateRotation(true);
6945    }
6946
6947    private void applyLidSwitchState() {
6948        if (mLidState == LID_CLOSED && mLidControlsSleep) {
6949            mPowerManager.goToSleep(SystemClock.uptimeMillis(),
6950                    PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH,
6951                    PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
6952        } else if (mLidState == LID_CLOSED && mLidControlsScreenLock) {
6953            mWindowManagerFuncs.lockDeviceNow();
6954        }
6955
6956        synchronized (mLock) {
6957            updateWakeGestureListenerLp();
6958        }
6959    }
6960
6961    void updateUiMode() {
6962        if (mUiModeManager == null) {
6963            mUiModeManager = IUiModeManager.Stub.asInterface(
6964                    ServiceManager.getService(Context.UI_MODE_SERVICE));
6965        }
6966        try {
6967            mUiMode = mUiModeManager.getCurrentModeType();
6968        } catch (RemoteException e) {
6969        }
6970    }
6971
6972    void updateRotation(boolean alwaysSendConfiguration) {
6973        try {
6974            //set orientation on WindowManager
6975            mWindowManager.updateRotation(alwaysSendConfiguration, false);
6976        } catch (RemoteException e) {
6977            // Ignore
6978        }
6979    }
6980
6981    void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
6982        try {
6983            //set orientation on WindowManager
6984            mWindowManager.updateRotation(alwaysSendConfiguration, forceRelayout);
6985        } catch (RemoteException e) {
6986            // Ignore
6987        }
6988    }
6989
6990    /**
6991     * Return an Intent to launch the currently active dock app as home.  Returns
6992     * null if the standard home should be launched, which is the case if any of the following is
6993     * true:
6994     * <ul>
6995     *  <li>The device is not in either car mode or desk mode
6996     *  <li>The device is in car mode but mEnableCarDockHomeCapture is false
6997     *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
6998     *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
6999     *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
7000     * </ul>
7001     * @return A dock intent.
7002     */
7003    Intent createHomeDockIntent() {
7004        Intent intent = null;
7005
7006        // What home does is based on the mode, not the dock state.  That
7007        // is, when in car mode you should be taken to car home regardless
7008        // of whether we are actually in a car dock.
7009        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
7010            if (mEnableCarDockHomeCapture) {
7011                intent = mCarDockIntent;
7012            }
7013        } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
7014            if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
7015                intent = mDeskDockIntent;
7016            }
7017        } else if (mUiMode == Configuration.UI_MODE_TYPE_WATCH
7018                && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
7019                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK
7020                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK)) {
7021            // Always launch dock home from home when watch is docked, if it exists.
7022            intent = mDeskDockIntent;
7023        }
7024
7025        if (intent == null) {
7026            return null;
7027        }
7028
7029        ActivityInfo ai = null;
7030        ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(
7031                intent,
7032                PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_META_DATA,
7033                mCurrentUserId);
7034        if (info != null) {
7035            ai = info.activityInfo;
7036        }
7037        if (ai != null
7038                && ai.metaData != null
7039                && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
7040            intent = new Intent(intent);
7041            intent.setClassName(ai.packageName, ai.name);
7042            return intent;
7043        }
7044
7045        return null;
7046    }
7047
7048    void startDockOrHome(boolean fromHomeKey, boolean awakenFromDreams) {
7049        if (awakenFromDreams) {
7050            awakenDreams();
7051        }
7052
7053        Intent dock = createHomeDockIntent();
7054        if (dock != null) {
7055            try {
7056                if (fromHomeKey) {
7057                    dock.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
7058                }
7059                startActivityAsUser(dock, UserHandle.CURRENT);
7060                return;
7061            } catch (ActivityNotFoundException e) {
7062            }
7063        }
7064
7065        Intent intent;
7066
7067        if (fromHomeKey) {
7068            intent = new Intent(mHomeIntent);
7069            intent.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
7070        } else {
7071            intent = mHomeIntent;
7072        }
7073
7074        startActivityAsUser(intent, UserHandle.CURRENT);
7075    }
7076
7077    /**
7078     * goes to the home screen
7079     * @return whether it did anything
7080     */
7081    boolean goHome() {
7082        if (!isUserSetupComplete()) {
7083            Slog.i(TAG, "Not going home because user setup is in progress.");
7084            return false;
7085        }
7086        if (false) {
7087            // This code always brings home to the front.
7088            try {
7089                ActivityManagerNative.getDefault().stopAppSwitches();
7090            } catch (RemoteException e) {
7091            }
7092            sendCloseSystemWindows();
7093            startDockOrHome(false /*fromHomeKey*/, true /* awakenFromDreams */);
7094        } else {
7095            // This code brings home to the front or, if it is already
7096            // at the front, puts the device to sleep.
7097            try {
7098                if (SystemProperties.getInt("persist.sys.uts-test-mode", 0) == 1) {
7099                    /// Roll back EndcallBehavior as the cupcake design to pass P1 lab entry.
7100                    Log.d(TAG, "UTS-TEST-MODE");
7101                } else {
7102                    ActivityManagerNative.getDefault().stopAppSwitches();
7103                    sendCloseSystemWindows();
7104                    Intent dock = createHomeDockIntent();
7105                    if (dock != null) {
7106                        int result = ActivityManagerNative.getDefault()
7107                                .startActivityAsUser(null, null, dock,
7108                                        dock.resolveTypeIfNeeded(mContext.getContentResolver()),
7109                                        null, null, 0,
7110                                        ActivityManager.START_FLAG_ONLY_IF_NEEDED,
7111                                        null, null, UserHandle.USER_CURRENT);
7112                        if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
7113                            return false;
7114                        }
7115                    }
7116                }
7117                int result = ActivityManagerNative.getDefault()
7118                        .startActivityAsUser(null, null, mHomeIntent,
7119                                mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
7120                                null, null, 0,
7121                                ActivityManager.START_FLAG_ONLY_IF_NEEDED,
7122                                null, null, UserHandle.USER_CURRENT);
7123                if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
7124                    return false;
7125                }
7126            } catch (RemoteException ex) {
7127                // bummer, the activity manager, which is in this process, is dead
7128            }
7129        }
7130        return true;
7131    }
7132
7133    @Override
7134    public void setCurrentOrientationLw(int newOrientation) {
7135        synchronized (mLock) {
7136            if (newOrientation != mCurrentAppOrientation) {
7137                mCurrentAppOrientation = newOrientation;
7138                updateOrientationListenerLp();
7139            }
7140        }
7141    }
7142
7143    private void performAuditoryFeedbackForAccessibilityIfNeed() {
7144        if (!isGlobalAccessibilityGestureEnabled()) {
7145            return;
7146        }
7147        AudioManager audioManager = (AudioManager) mContext.getSystemService(
7148                Context.AUDIO_SERVICE);
7149        if (audioManager.isSilentMode()) {
7150            return;
7151        }
7152        Ringtone ringTone = RingtoneManager.getRingtone(mContext,
7153                Settings.System.DEFAULT_NOTIFICATION_URI);
7154        ringTone.setStreamType(AudioManager.STREAM_MUSIC);
7155        ringTone.play();
7156    }
7157
7158    private boolean isTheaterModeEnabled() {
7159        return Settings.Global.getInt(mContext.getContentResolver(),
7160                Settings.Global.THEATER_MODE_ON, 0) == 1;
7161    }
7162
7163    private boolean isGlobalAccessibilityGestureEnabled() {
7164        return Settings.Global.getInt(mContext.getContentResolver(),
7165                Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED, 0) == 1;
7166    }
7167
7168    @Override
7169    public boolean performHapticFeedbackLw(WindowState win, int effectId, boolean always) {
7170        if (!mVibrator.hasVibrator()) {
7171            return false;
7172        }
7173        final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(),
7174                Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0;
7175        if (hapticsDisabled && !always) {
7176            return false;
7177        }
7178        long[] pattern = null;
7179        switch (effectId) {
7180            case HapticFeedbackConstants.LONG_PRESS:
7181                pattern = mLongPressVibePattern;
7182                break;
7183            case HapticFeedbackConstants.VIRTUAL_KEY:
7184                pattern = mVirtualKeyVibePattern;
7185                break;
7186            case HapticFeedbackConstants.KEYBOARD_TAP:
7187                pattern = mKeyboardTapVibePattern;
7188                break;
7189            case HapticFeedbackConstants.CLOCK_TICK:
7190                pattern = mClockTickVibePattern;
7191                break;
7192            case HapticFeedbackConstants.CALENDAR_DATE:
7193                pattern = mCalendarDateVibePattern;
7194                break;
7195            case HapticFeedbackConstants.SAFE_MODE_DISABLED:
7196                pattern = mSafeModeDisabledVibePattern;
7197                break;
7198            case HapticFeedbackConstants.SAFE_MODE_ENABLED:
7199                pattern = mSafeModeEnabledVibePattern;
7200                break;
7201            case HapticFeedbackConstants.CONTEXT_CLICK:
7202                pattern = mContextClickVibePattern;
7203                break;
7204            default:
7205                return false;
7206        }
7207        int owningUid;
7208        String owningPackage;
7209        if (win != null) {
7210            owningUid = win.getOwningUid();
7211            owningPackage = win.getOwningPackage();
7212        } else {
7213            owningUid = android.os.Process.myUid();
7214            owningPackage = mContext.getOpPackageName();
7215        }
7216        if (pattern.length == 1) {
7217            // One-shot vibration
7218            mVibrator.vibrate(owningUid, owningPackage, pattern[0], VIBRATION_ATTRIBUTES);
7219        } else {
7220            // Pattern vibration
7221            mVibrator.vibrate(owningUid, owningPackage, pattern, -1, VIBRATION_ATTRIBUTES);
7222        }
7223        return true;
7224    }
7225
7226    @Override
7227    public void keepScreenOnStartedLw() {
7228    }
7229
7230    @Override
7231    public void keepScreenOnStoppedLw() {
7232        if (isKeyguardShowingAndNotOccluded()) {
7233            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
7234        }
7235    }
7236
7237    private int updateSystemUiVisibilityLw() {
7238        // If there is no window focused, there will be nobody to handle the events
7239        // anyway, so just hang on in whatever state we're in until things settle down.
7240        final WindowState win = mFocusedWindow != null ? mFocusedWindow
7241                : mTopFullscreenOpaqueWindowState;
7242        if (win == null) {
7243            return 0;
7244        }
7245        if ((win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 && mHideLockScreen == true) {
7246            // We are updating at a point where the keyguard has gotten
7247            // focus, but we were last in a state where the top window is
7248            // hiding it.  This is probably because the keyguard as been
7249            // shown while the top window was displayed, so we want to ignore
7250            // it here because this is just a very transient change and it
7251            // will quickly lose focus once it correctly gets hidden.
7252            return 0;
7253        }
7254
7255        int tmpVisibility = PolicyControl.getSystemUiVisibility(win, null)
7256                & ~mResettingSystemUiFlags
7257                & ~mForceClearedSystemUiFlags;
7258        if (mForcingShowNavBar && win.getSurfaceLayer() < mForcingShowNavBarLayer) {
7259            tmpVisibility &= ~PolicyControl.adjustClearableFlags(win, View.SYSTEM_UI_CLEARABLE_FLAGS);
7260        }
7261
7262        final int fullscreenVisibility = updateLightStatusBarLw(0 /* vis */,
7263                mTopFullscreenOpaqueWindowState, mTopFullscreenOpaqueOrDimmingWindowState);
7264        final int dockedVisibility = updateLightStatusBarLw(0 /* vis */,
7265                mTopDockedOpaqueWindowState, mTopDockedOpaqueOrDimmingWindowState);
7266        mWindowManagerFuncs.getStackBounds(HOME_STACK_ID, mNonDockedStackBounds);
7267        mWindowManagerFuncs.getStackBounds(DOCKED_STACK_ID, mDockedStackBounds);
7268        final int visibility = updateSystemBarsLw(win, mLastSystemUiFlags, tmpVisibility);
7269        final int diff = visibility ^ mLastSystemUiFlags;
7270        final int fullscreenDiff = fullscreenVisibility ^ mLastFullscreenStackSysUiFlags;
7271        final int dockedDiff = dockedVisibility ^ mLastDockedStackSysUiFlags;
7272        final boolean needsMenu = win.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
7273        if (diff == 0 && fullscreenDiff == 0 && dockedDiff == 0 && mLastFocusNeedsMenu == needsMenu
7274                && mFocusedApp == win.getAppToken()
7275                && mLastNonDockedStackBounds.equals(mNonDockedStackBounds)
7276                && mLastDockedStackBounds.equals(mDockedStackBounds)) {
7277            return 0;
7278        }
7279        mLastSystemUiFlags = visibility;
7280        mLastFullscreenStackSysUiFlags = fullscreenVisibility;
7281        mLastDockedStackSysUiFlags = dockedVisibility;
7282        mLastFocusNeedsMenu = needsMenu;
7283        mFocusedApp = win.getAppToken();
7284        final Rect fullscreenStackBounds = new Rect(mNonDockedStackBounds);
7285        final Rect dockedStackBounds = new Rect(mDockedStackBounds);
7286        mHandler.post(new Runnable() {
7287                @Override
7288                public void run() {
7289                    StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
7290                    if (statusbar != null) {
7291                        statusbar.setSystemUiVisibility(visibility, fullscreenVisibility,
7292                                dockedVisibility, 0xffffffff, fullscreenStackBounds,
7293                                dockedStackBounds, win.toString());
7294                        statusbar.topAppWindowChanged(needsMenu);
7295                    }
7296                }
7297            });
7298        return diff;
7299    }
7300
7301    private int updateLightStatusBarLw(int vis, WindowState opaque, WindowState opaqueOrDimming) {
7302        WindowState statusColorWin = isStatusBarKeyguard() && !mHideLockScreen
7303                ? mStatusBar
7304                : opaqueOrDimming;
7305
7306        if (statusColorWin != null) {
7307            if (statusColorWin == opaque) {
7308                // If the top fullscreen-or-dimming window is also the top fullscreen, respect
7309                // its light flag.
7310                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7311                vis |= PolicyControl.getSystemUiVisibility(statusColorWin, null)
7312                        & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7313            } else if (statusColorWin != null && statusColorWin.isDimming()) {
7314                // Otherwise if it's dimming, clear the light flag.
7315                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7316            }
7317        }
7318        return vis;
7319    }
7320
7321    private boolean drawsSystemBarBackground(WindowState win) {
7322        return win == null || (win.getAttrs().flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0;
7323    }
7324
7325    private boolean forcesDrawStatusBarBackground(WindowState win) {
7326        return win == null || (win.getAttrs().privateFlags
7327                & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND) != 0;
7328    }
7329
7330    private int updateSystemBarsLw(WindowState win, int oldVis, int vis) {
7331        final boolean dockedStackVisible = mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID);
7332        final boolean freeformStackVisible =
7333                mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID);
7334        final boolean resizing = mWindowManagerInternal.isDockedDividerResizing();
7335
7336        // We need to force system bars when the docked stack is visible, when the freeform stack
7337        // is visible but also when we are resizing for the transitions when docked stack
7338        // visibility changes.
7339        mForceShowSystemBars = dockedStackVisible || freeformStackVisible || resizing;
7340        final boolean forceOpaqueStatusBar = mForceShowSystemBars && !mForceStatusBarFromKeyguard;
7341
7342        // apply translucent bar vis flags
7343        WindowState fullscreenTransWin = isStatusBarKeyguard() && !mHideLockScreen
7344                ? mStatusBar
7345                : mTopFullscreenOpaqueWindowState;
7346        vis = mStatusBarController.applyTranslucentFlagLw(fullscreenTransWin, vis, oldVis);
7347        vis = mNavigationBarController.applyTranslucentFlagLw(fullscreenTransWin, vis, oldVis);
7348        final int dockedVis = mStatusBarController.applyTranslucentFlagLw(
7349                mTopDockedOpaqueWindowState, 0, 0);
7350
7351        final boolean fullscreenDrawsStatusBarBackground =
7352                (drawsSystemBarBackground(mTopFullscreenOpaqueWindowState)
7353                        && (vis & View.STATUS_BAR_TRANSLUCENT) == 0)
7354                || forcesDrawStatusBarBackground(mTopFullscreenOpaqueWindowState);
7355        final boolean dockedDrawsStatusBarBackground =
7356                (drawsSystemBarBackground(mTopDockedOpaqueWindowState)
7357                        && (dockedVis & View.STATUS_BAR_TRANSLUCENT) == 0)
7358                || forcesDrawStatusBarBackground(mTopDockedOpaqueWindowState);
7359
7360        // prevent status bar interaction from clearing certain flags
7361        int type = win.getAttrs().type;
7362        boolean statusBarHasFocus = type == TYPE_STATUS_BAR;
7363        if (statusBarHasFocus && !isStatusBarKeyguard()) {
7364            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
7365                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
7366                    | View.SYSTEM_UI_FLAG_IMMERSIVE
7367                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
7368                    | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7369            if (mHideLockScreen) {
7370                flags |= View.STATUS_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSLUCENT;
7371            }
7372            vis = (vis & ~flags) | (oldVis & flags);
7373        }
7374
7375        if (fullscreenDrawsStatusBarBackground && dockedDrawsStatusBarBackground) {
7376            vis |= View.STATUS_BAR_TRANSPARENT;
7377            vis &= ~View.STATUS_BAR_TRANSLUCENT;
7378        } else if ((!areTranslucentBarsAllowed() && fullscreenTransWin != mStatusBar)
7379                || forceOpaqueStatusBar) {
7380            vis &= ~(View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT);
7381        }
7382
7383        vis = configureNavBarOpacity(vis, dockedStackVisible, freeformStackVisible, resizing);
7384
7385        // update status bar
7386        boolean immersiveSticky =
7387                (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
7388        final boolean hideStatusBarWM =
7389                mTopFullscreenOpaqueWindowState != null
7390                && (PolicyControl.getWindowFlags(mTopFullscreenOpaqueWindowState, null)
7391                        & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0;
7392        final boolean hideStatusBarSysui =
7393                (vis & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
7394        final boolean hideNavBarSysui =
7395                (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0;
7396
7397        final boolean transientStatusBarAllowed = mStatusBar != null
7398                && (statusBarHasFocus || (!mForceShowSystemBars
7399                        && (hideStatusBarWM || (hideStatusBarSysui && immersiveSticky))));
7400
7401        final boolean transientNavBarAllowed = mNavigationBar != null
7402                && !mForceShowSystemBars && hideNavBarSysui && immersiveSticky;
7403
7404        final long now = SystemClock.uptimeMillis();
7405        final boolean pendingPanic = mPendingPanicGestureUptime != 0
7406                && now - mPendingPanicGestureUptime <= PANIC_GESTURE_EXPIRATION;
7407        if (pendingPanic && hideNavBarSysui && !isStatusBarKeyguard() && mKeyguardDrawComplete) {
7408            // The user performed the panic gesture recently, we're about to hide the bars,
7409            // we're no longer on the Keyguard and the screen is ready. We can now request the bars.
7410            mPendingPanicGestureUptime = 0;
7411            mStatusBarController.showTransient();
7412            mNavigationBarController.showTransient();
7413        }
7414
7415        final boolean denyTransientStatus = mStatusBarController.isTransientShowRequested()
7416                && !transientStatusBarAllowed && hideStatusBarSysui;
7417        final boolean denyTransientNav = mNavigationBarController.isTransientShowRequested()
7418                && !transientNavBarAllowed;
7419        if (denyTransientStatus || denyTransientNav || mForceShowSystemBars) {
7420            // clear the clearable flags instead
7421            clearClearableFlagsLw();
7422            vis &= ~View.SYSTEM_UI_CLEARABLE_FLAGS;
7423        }
7424
7425        final boolean immersive = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
7426        immersiveSticky = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
7427        final boolean navAllowedHidden = immersive || immersiveSticky;
7428
7429        if (hideNavBarSysui && !navAllowedHidden && windowTypeToLayerLw(win.getBaseType())
7430                > windowTypeToLayerLw(TYPE_INPUT_CONSUMER)) {
7431            // We can't hide the navbar from this window otherwise the input consumer would not get
7432            // the input events.
7433            vis = (vis & ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
7434        }
7435
7436        vis = mStatusBarController.updateVisibilityLw(transientStatusBarAllowed, oldVis, vis);
7437
7438        // update navigation bar
7439        boolean oldImmersiveMode = isImmersiveMode(oldVis);
7440        boolean newImmersiveMode = isImmersiveMode(vis);
7441        if (win != null && oldImmersiveMode != newImmersiveMode) {
7442            final String pkg = win.getOwningPackage();
7443            mImmersiveModeConfirmation.immersiveModeChangedLw(pkg, newImmersiveMode,
7444                    isUserSetupComplete());
7445        }
7446
7447        vis = mNavigationBarController.updateVisibilityLw(transientNavBarAllowed, oldVis, vis);
7448
7449        return vis;
7450    }
7451
7452    /**
7453     * @return the current visibility flags with the nav-bar opacity related flags toggled based
7454     *         on the nav bar opacity rules chosen by {@link #mNavBarOpacityMode}.
7455     */
7456    private int configureNavBarOpacity(int visibility, boolean dockedStackVisible,
7457            boolean freeformStackVisible, boolean isDockedDividerResizing) {
7458        if (mNavBarOpacityMode == NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED) {
7459            if (dockedStackVisible || freeformStackVisible || isDockedDividerResizing) {
7460                visibility = setNavBarOpaqueFlag(visibility);
7461            }
7462        } else if (mNavBarOpacityMode == NAV_BAR_TRANSLUCENT_WHEN_FREEFORM_OPAQUE_OTHERWISE) {
7463            if (isDockedDividerResizing) {
7464                visibility = setNavBarOpaqueFlag(visibility);
7465            } else if (freeformStackVisible) {
7466                visibility = setNavBarTranslucentFlag(visibility);
7467            } else {
7468                visibility = setNavBarOpaqueFlag(visibility);
7469            }
7470        }
7471
7472        if (!areTranslucentBarsAllowed()) {
7473            visibility &= ~View.NAVIGATION_BAR_TRANSLUCENT;
7474        }
7475        return visibility;
7476    }
7477
7478    private int setNavBarOpaqueFlag(int visibility) {
7479        return visibility &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT);
7480    }
7481
7482    private int setNavBarTranslucentFlag(int visibility) {
7483        visibility &= ~View.NAVIGATION_BAR_TRANSPARENT;
7484        return visibility |= View.NAVIGATION_BAR_TRANSLUCENT;
7485    }
7486
7487    private void clearClearableFlagsLw() {
7488        int newVal = mResettingSystemUiFlags | View.SYSTEM_UI_CLEARABLE_FLAGS;
7489        if (newVal != mResettingSystemUiFlags) {
7490            mResettingSystemUiFlags = newVal;
7491            mWindowManagerFuncs.reevaluateStatusBarVisibility();
7492        }
7493    }
7494
7495    private boolean isImmersiveMode(int vis) {
7496        final int flags = View.SYSTEM_UI_FLAG_IMMERSIVE | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
7497        return mNavigationBar != null
7498                && (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
7499                && (vis & flags) != 0
7500                && canHideNavigationBar();
7501    }
7502
7503    /**
7504     * @return whether the navigation or status bar can be made translucent
7505     *
7506     * This should return true unless touch exploration is not enabled or
7507     * R.boolean.config_enableTranslucentDecor is false.
7508     */
7509    private boolean areTranslucentBarsAllowed() {
7510        return mTranslucentDecorEnabled;
7511    }
7512
7513    // Use this instead of checking config_showNavigationBar so that it can be consistently
7514    // overridden by qemu.hw.mainkeys in the emulator.
7515    @Override
7516    public boolean hasNavigationBar() {
7517        return mHasNavigationBar;
7518    }
7519
7520    @Override
7521    public void setLastInputMethodWindowLw(WindowState ime, WindowState target) {
7522        mLastInputMethodWindow = ime;
7523        mLastInputMethodTargetWindow = target;
7524    }
7525
7526    @Override
7527    public int getInputMethodWindowVisibleHeightLw() {
7528        return mDockBottom - mCurBottom;
7529    }
7530
7531    @Override
7532    public void setCurrentUserLw(int newUserId) {
7533        mCurrentUserId = newUserId;
7534        if (mKeyguardDelegate != null) {
7535            mKeyguardDelegate.setCurrentUser(newUserId);
7536        }
7537        StatusBarManagerInternal statusBar = getStatusBarManagerInternal();
7538        if (statusBar != null) {
7539            statusBar.setCurrentUser(newUserId);
7540        }
7541        setLastInputMethodWindowLw(null, null);
7542    }
7543
7544    @Override
7545    public boolean canMagnifyWindow(int windowType) {
7546        switch (windowType) {
7547            case WindowManager.LayoutParams.TYPE_INPUT_METHOD:
7548            case WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG:
7549            case WindowManager.LayoutParams.TYPE_NAVIGATION_BAR:
7550            case WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY: {
7551                return false;
7552            }
7553        }
7554        return true;
7555    }
7556
7557    @Override
7558    public boolean isTopLevelWindow(int windowType) {
7559        if (windowType >= WindowManager.LayoutParams.FIRST_SUB_WINDOW
7560                && windowType <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
7561            return (windowType == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG);
7562        }
7563        return true;
7564    }
7565
7566    @Override
7567    public void dump(String prefix, PrintWriter pw, String[] args) {
7568        pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
7569                pw.print(" mSystemReady="); pw.print(mSystemReady);
7570                pw.print(" mSystemBooted="); pw.println(mSystemBooted);
7571        pw.print(prefix); pw.print("mLidState="); pw.print(mLidState);
7572                pw.print(" mLidOpenRotation="); pw.print(mLidOpenRotation);
7573                pw.print(" mCameraLensCoverState="); pw.print(mCameraLensCoverState);
7574                pw.print(" mHdmiPlugged="); pw.println(mHdmiPlugged);
7575        if (mLastSystemUiFlags != 0 || mResettingSystemUiFlags != 0
7576                || mForceClearedSystemUiFlags != 0) {
7577            pw.print(prefix); pw.print("mLastSystemUiFlags=0x");
7578                    pw.print(Integer.toHexString(mLastSystemUiFlags));
7579                    pw.print(" mResettingSystemUiFlags=0x");
7580                    pw.print(Integer.toHexString(mResettingSystemUiFlags));
7581                    pw.print(" mForceClearedSystemUiFlags=0x");
7582                    pw.println(Integer.toHexString(mForceClearedSystemUiFlags));
7583        }
7584        if (mLastFocusNeedsMenu) {
7585            pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
7586                    pw.println(mLastFocusNeedsMenu);
7587        }
7588        pw.print(prefix); pw.print("mWakeGestureEnabledSetting=");
7589                pw.println(mWakeGestureEnabledSetting);
7590
7591        pw.print(prefix); pw.print("mSupportAutoRotation="); pw.println(mSupportAutoRotation);
7592        pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
7593                pw.print(" mDockMode="); pw.print(mDockMode);
7594                pw.print(" mEnableCarDockHomeCapture="); pw.print(mEnableCarDockHomeCapture);
7595                pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
7596                pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
7597        pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);
7598                pw.print(" mUserRotation="); pw.print(mUserRotation);
7599                pw.print(" mAllowAllRotations="); pw.println(mAllowAllRotations);
7600        pw.print(prefix); pw.print("mCurrentAppOrientation="); pw.println(mCurrentAppOrientation);
7601        pw.print(prefix); pw.print("mCarDockEnablesAccelerometer=");
7602                pw.print(mCarDockEnablesAccelerometer);
7603                pw.print(" mDeskDockEnablesAccelerometer=");
7604                pw.println(mDeskDockEnablesAccelerometer);
7605        pw.print(prefix); pw.print("mLidKeyboardAccessibility=");
7606                pw.print(mLidKeyboardAccessibility);
7607                pw.print(" mLidNavigationAccessibility="); pw.print(mLidNavigationAccessibility);
7608                pw.print(" mLidControlsScreenLock="); pw.println(mLidControlsScreenLock);
7609                pw.print(" mLidControlsSleep="); pw.println(mLidControlsSleep);
7610        pw.print(prefix);
7611                pw.print(" mLongPressOnBackBehavior="); pw.println(mLongPressOnBackBehavior);
7612        pw.print(prefix);
7613                pw.print("mShortPressOnPowerBehavior="); pw.print(mShortPressOnPowerBehavior);
7614                pw.print(" mLongPressOnPowerBehavior="); pw.println(mLongPressOnPowerBehavior);
7615        pw.print(prefix);
7616                pw.print("mDoublePressOnPowerBehavior="); pw.print(mDoublePressOnPowerBehavior);
7617                pw.print(" mTriplePressOnPowerBehavior="); pw.println(mTriplePressOnPowerBehavior);
7618        pw.print(prefix); pw.print("mHasSoftInput="); pw.println(mHasSoftInput);
7619        pw.print(prefix); pw.print("mAwake="); pw.println(mAwake);
7620        pw.print(prefix); pw.print("mScreenOnEarly="); pw.print(mScreenOnEarly);
7621                pw.print(" mScreenOnFully="); pw.println(mScreenOnFully);
7622        pw.print(prefix); pw.print("mKeyguardDrawComplete="); pw.print(mKeyguardDrawComplete);
7623                pw.print(" mWindowManagerDrawComplete="); pw.println(mWindowManagerDrawComplete);
7624        pw.print(prefix); pw.print("mOrientationSensorEnabled=");
7625                pw.println(mOrientationSensorEnabled);
7626        pw.print(prefix); pw.print("mOverscanScreen=("); pw.print(mOverscanScreenLeft);
7627                pw.print(","); pw.print(mOverscanScreenTop);
7628                pw.print(") "); pw.print(mOverscanScreenWidth);
7629                pw.print("x"); pw.println(mOverscanScreenHeight);
7630        if (mOverscanLeft != 0 || mOverscanTop != 0
7631                || mOverscanRight != 0 || mOverscanBottom != 0) {
7632            pw.print(prefix); pw.print("mOverscan left="); pw.print(mOverscanLeft);
7633                    pw.print(" top="); pw.print(mOverscanTop);
7634                    pw.print(" right="); pw.print(mOverscanRight);
7635                    pw.print(" bottom="); pw.println(mOverscanBottom);
7636        }
7637        pw.print(prefix); pw.print("mRestrictedOverscanScreen=(");
7638                pw.print(mRestrictedOverscanScreenLeft);
7639                pw.print(","); pw.print(mRestrictedOverscanScreenTop);
7640                pw.print(") "); pw.print(mRestrictedOverscanScreenWidth);
7641                pw.print("x"); pw.println(mRestrictedOverscanScreenHeight);
7642        pw.print(prefix); pw.print("mUnrestrictedScreen=("); pw.print(mUnrestrictedScreenLeft);
7643                pw.print(","); pw.print(mUnrestrictedScreenTop);
7644                pw.print(") "); pw.print(mUnrestrictedScreenWidth);
7645                pw.print("x"); pw.println(mUnrestrictedScreenHeight);
7646        pw.print(prefix); pw.print("mRestrictedScreen=("); pw.print(mRestrictedScreenLeft);
7647                pw.print(","); pw.print(mRestrictedScreenTop);
7648                pw.print(") "); pw.print(mRestrictedScreenWidth);
7649                pw.print("x"); pw.println(mRestrictedScreenHeight);
7650        pw.print(prefix); pw.print("mStableFullscreen=("); pw.print(mStableFullscreenLeft);
7651                pw.print(","); pw.print(mStableFullscreenTop);
7652                pw.print(")-("); pw.print(mStableFullscreenRight);
7653                pw.print(","); pw.print(mStableFullscreenBottom); pw.println(")");
7654        pw.print(prefix); pw.print("mStable=("); pw.print(mStableLeft);
7655                pw.print(","); pw.print(mStableTop);
7656                pw.print(")-("); pw.print(mStableRight);
7657                pw.print(","); pw.print(mStableBottom); pw.println(")");
7658        pw.print(prefix); pw.print("mSystem=("); pw.print(mSystemLeft);
7659                pw.print(","); pw.print(mSystemTop);
7660                pw.print(")-("); pw.print(mSystemRight);
7661                pw.print(","); pw.print(mSystemBottom); pw.println(")");
7662        pw.print(prefix); pw.print("mCur=("); pw.print(mCurLeft);
7663                pw.print(","); pw.print(mCurTop);
7664                pw.print(")-("); pw.print(mCurRight);
7665                pw.print(","); pw.print(mCurBottom); pw.println(")");
7666        pw.print(prefix); pw.print("mContent=("); pw.print(mContentLeft);
7667                pw.print(","); pw.print(mContentTop);
7668                pw.print(")-("); pw.print(mContentRight);
7669                pw.print(","); pw.print(mContentBottom); pw.println(")");
7670        pw.print(prefix); pw.print("mVoiceContent=("); pw.print(mVoiceContentLeft);
7671                pw.print(","); pw.print(mVoiceContentTop);
7672                pw.print(")-("); pw.print(mVoiceContentRight);
7673                pw.print(","); pw.print(mVoiceContentBottom); pw.println(")");
7674        pw.print(prefix); pw.print("mDock=("); pw.print(mDockLeft);
7675                pw.print(","); pw.print(mDockTop);
7676                pw.print(")-("); pw.print(mDockRight);
7677                pw.print(","); pw.print(mDockBottom); pw.println(")");
7678        pw.print(prefix); pw.print("mDockLayer="); pw.print(mDockLayer);
7679                pw.print(" mStatusBarLayer="); pw.println(mStatusBarLayer);
7680        pw.print(prefix); pw.print("mShowingLockscreen="); pw.print(mShowingLockscreen);
7681                pw.print(" mShowingDream="); pw.print(mShowingDream);
7682                pw.print(" mDreamingLockscreen="); pw.print(mDreamingLockscreen);
7683                pw.print(" mDreamingSleepToken="); pw.println(mDreamingSleepToken);
7684        if (mLastInputMethodWindow != null) {
7685            pw.print(prefix); pw.print("mLastInputMethodWindow=");
7686                    pw.println(mLastInputMethodWindow);
7687        }
7688        if (mLastInputMethodTargetWindow != null) {
7689            pw.print(prefix); pw.print("mLastInputMethodTargetWindow=");
7690                    pw.println(mLastInputMethodTargetWindow);
7691        }
7692        if (mStatusBar != null) {
7693            pw.print(prefix); pw.print("mStatusBar=");
7694                    pw.print(mStatusBar); pw.print(" isStatusBarKeyguard=");
7695                    pw.println(isStatusBarKeyguard());
7696        }
7697        if (mNavigationBar != null) {
7698            pw.print(prefix); pw.print("mNavigationBar=");
7699                    pw.println(mNavigationBar);
7700        }
7701        if (mFocusedWindow != null) {
7702            pw.print(prefix); pw.print("mFocusedWindow=");
7703                    pw.println(mFocusedWindow);
7704        }
7705        if (mFocusedApp != null) {
7706            pw.print(prefix); pw.print("mFocusedApp=");
7707                    pw.println(mFocusedApp);
7708        }
7709        if (mWinDismissingKeyguard != null) {
7710            pw.print(prefix); pw.print("mWinDismissingKeyguard=");
7711                    pw.println(mWinDismissingKeyguard);
7712        }
7713        if (mTopFullscreenOpaqueWindowState != null) {
7714            pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
7715                    pw.println(mTopFullscreenOpaqueWindowState);
7716        }
7717        if (mTopFullscreenOpaqueOrDimmingWindowState != null) {
7718            pw.print(prefix); pw.print("mTopFullscreenOpaqueOrDimmingWindowState=");
7719                    pw.println(mTopFullscreenOpaqueOrDimmingWindowState);
7720        }
7721        if (mForcingShowNavBar) {
7722            pw.print(prefix); pw.print("mForcingShowNavBar=");
7723                    pw.println(mForcingShowNavBar); pw.print( "mForcingShowNavBarLayer=");
7724                    pw.println(mForcingShowNavBarLayer);
7725        }
7726        pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
7727                pw.print(" mHideLockScreen="); pw.println(mHideLockScreen);
7728        pw.print(prefix); pw.print("mForceStatusBar="); pw.print(mForceStatusBar);
7729                pw.print(" mForceStatusBarFromKeyguard=");
7730                pw.println(mForceStatusBarFromKeyguard);
7731        pw.print(prefix); pw.print("mDismissKeyguard="); pw.print(mDismissKeyguard);
7732                pw.print(" mWinDismissingKeyguard="); pw.print(mWinDismissingKeyguard);
7733                pw.print(" mHomePressed="); pw.println(mHomePressed);
7734        pw.print(prefix); pw.print("mAllowLockscreenWhenOn="); pw.print(mAllowLockscreenWhenOn);
7735                pw.print(" mLockScreenTimeout="); pw.print(mLockScreenTimeout);
7736                pw.print(" mLockScreenTimerActive="); pw.println(mLockScreenTimerActive);
7737        pw.print(prefix); pw.print("mEndcallBehavior="); pw.print(mEndcallBehavior);
7738                pw.print(" mIncallPowerBehavior="); pw.print(mIncallPowerBehavior);
7739                pw.print(" mLongPressOnHomeBehavior="); pw.println(mLongPressOnHomeBehavior);
7740        pw.print(prefix); pw.print("mLandscapeRotation="); pw.print(mLandscapeRotation);
7741                pw.print(" mSeascapeRotation="); pw.println(mSeascapeRotation);
7742        pw.print(prefix); pw.print("mPortraitRotation="); pw.print(mPortraitRotation);
7743                pw.print(" mUpsideDownRotation="); pw.println(mUpsideDownRotation);
7744        pw.print(prefix); pw.print("mDemoHdmiRotation="); pw.print(mDemoHdmiRotation);
7745                pw.print(" mDemoHdmiRotationLock="); pw.println(mDemoHdmiRotationLock);
7746        pw.print(prefix); pw.print("mUndockedHdmiRotation="); pw.println(mUndockedHdmiRotation);
7747
7748        mGlobalKeyManager.dump(prefix, pw);
7749        mStatusBarController.dump(pw, prefix);
7750        mNavigationBarController.dump(pw, prefix);
7751        PolicyControl.dump(prefix, pw);
7752
7753        if (mWakeGestureListener != null) {
7754            mWakeGestureListener.dump(pw, prefix);
7755        }
7756        if (mOrientationListener != null) {
7757            mOrientationListener.dump(pw, prefix);
7758        }
7759        if (mBurnInProtectionHelper != null) {
7760            mBurnInProtectionHelper.dump(prefix, pw);
7761        }
7762        if (mKeyguardDelegate != null) {
7763            mKeyguardDelegate.dump(prefix, pw);
7764        }
7765    }
7766}
7767