PhoneWindowManager.java revision 606f4d5d8c5e1b3db00d0544cd64dff1dd0581b6 
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    private static final int NAV_BAR_BOTTOM = 0;
266    private static final int NAV_BAR_RIGHT = 1;
267    private static final int NAV_BAR_LEFT = 2;
268
269    /**
270     * Keyguard stuff
271     */
272    private WindowState mKeyguardScrim;
273    private boolean mKeyguardHidden;
274    private boolean mKeyguardDrawnOnce;
275
276    /* Table of Application Launch keys.  Maps from key codes to intent categories.
277     *
278     * These are special keys that are used to launch particular kinds of applications,
279     * such as a web browser.  HID defines nearly a hundred of them in the Consumer (0x0C)
280     * usage page.  We don't support quite that many yet...
281     */
282    static SparseArray<String> sApplicationLaunchKeyCategories;
283    static {
284        sApplicationLaunchKeyCategories = new SparseArray<String>();
285        sApplicationLaunchKeyCategories.append(
286                KeyEvent.KEYCODE_EXPLORER, Intent.CATEGORY_APP_BROWSER);
287        sApplicationLaunchKeyCategories.append(
288                KeyEvent.KEYCODE_ENVELOPE, Intent.CATEGORY_APP_EMAIL);
289        sApplicationLaunchKeyCategories.append(
290                KeyEvent.KEYCODE_CONTACTS, Intent.CATEGORY_APP_CONTACTS);
291        sApplicationLaunchKeyCategories.append(
292                KeyEvent.KEYCODE_CALENDAR, Intent.CATEGORY_APP_CALENDAR);
293        sApplicationLaunchKeyCategories.append(
294                KeyEvent.KEYCODE_MUSIC, Intent.CATEGORY_APP_MUSIC);
295        sApplicationLaunchKeyCategories.append(
296                KeyEvent.KEYCODE_CALCULATOR, Intent.CATEGORY_APP_CALCULATOR);
297    }
298
299    /** Amount of time (in milliseconds) to wait for windows drawn before powering on. */
300    static final int WAITING_FOR_DRAWN_TIMEOUT = 1000;
301
302    /**
303     * Lock protecting internal state.  Must not call out into window
304     * manager with lock held.  (This lock will be acquired in places
305     * where the window manager is calling in with its own lock held.)
306     */
307    private final Object mLock = new Object();
308
309    Context mContext;
310    IWindowManager mWindowManager;
311    WindowManagerFuncs mWindowManagerFuncs;
312    WindowManagerInternal mWindowManagerInternal;
313    PowerManager mPowerManager;
314    ActivityManagerInternal mActivityManagerInternal;
315    InputManagerInternal mInputManagerInternal;
316    DreamManagerInternal mDreamManagerInternal;
317    PowerManagerInternal mPowerManagerInternal;
318    IStatusBarService mStatusBarService;
319    StatusBarManagerInternal mStatusBarManagerInternal;
320    boolean mPreloadedRecentApps;
321    final Object mServiceAquireLock = new Object();
322    Vibrator mVibrator; // Vibrator for giving feedback of orientation changes
323    SearchManager mSearchManager;
324    AccessibilityManager mAccessibilityManager;
325    BurnInProtectionHelper mBurnInProtectionHelper;
326    AppOpsManager mAppOpsManager;
327    private boolean mHasFeatureWatch;
328
329    // Vibrator pattern for haptic feedback of a long press.
330    long[] mLongPressVibePattern;
331
332    // Vibrator pattern for haptic feedback of virtual key press.
333    long[] mVirtualKeyVibePattern;
334
335    // Vibrator pattern for a short vibration.
336    long[] mKeyboardTapVibePattern;
337
338    // Vibrator pattern for a short vibration when tapping on an hour/minute tick of a Clock.
339    long[] mClockTickVibePattern;
340
341    // Vibrator pattern for a short vibration when tapping on a day/month/year date of a Calendar.
342    long[] mCalendarDateVibePattern;
343
344    // Vibrator pattern for haptic feedback during boot when safe mode is disabled.
345    long[] mSafeModeDisabledVibePattern;
346
347    // Vibrator pattern for haptic feedback during boot when safe mode is enabled.
348    long[] mSafeModeEnabledVibePattern;
349
350    // Vibrator pattern for haptic feedback of a context click.
351    long[] mContextClickVibePattern;
352
353    /** If true, hitting shift & menu will broadcast Intent.ACTION_BUG_REPORT */
354    boolean mEnableShiftMenuBugReports = false;
355
356    boolean mSafeMode;
357    WindowState mStatusBar = null;
358    int mStatusBarHeight;
359    WindowState mNavigationBar = null;
360    boolean mHasNavigationBar = false;
361    boolean mNavigationBarCanMove = false; // can the navigation bar ever move to the side?
362    int mNavigationBarPosition = NAV_BAR_BOTTOM;
363    int[] mNavigationBarHeightForRotationDefault = new int[4];
364    int[] mNavigationBarWidthForRotationDefault = new int[4];
365    int[] mNavigationBarHeightForRotationInCarMode = new int[4];
366    int[] mNavigationBarWidthForRotationInCarMode = new int[4];
367
368    private LongSparseArray<IShortcutService> mShortcutKeyServices = new LongSparseArray<>();
369
370    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
371    // This is for car dock and this is updated from resource.
372    private boolean mEnableCarDockHomeCapture = true;
373
374    boolean mBootMessageNeedsHiding;
375    KeyguardServiceDelegate mKeyguardDelegate;
376    final Runnable mWindowManagerDrawCallback = new Runnable() {
377        @Override
378        public void run() {
379            if (DEBUG_WAKEUP) Slog.i(TAG, "All windows ready for display!");
380            mHandler.sendEmptyMessage(MSG_WINDOW_MANAGER_DRAWN_COMPLETE);
381        }
382    };
383    final DrawnListener mKeyguardDrawnCallback = new DrawnListener() {
384        @Override
385        public void onDrawn() {
386            if (DEBUG_WAKEUP) Slog.d(TAG, "mKeyguardDelegate.ShowListener.onDrawn.");
387            mHandler.sendEmptyMessage(MSG_KEYGUARD_DRAWN_COMPLETE);
388        }
389    };
390
391    GlobalActions mGlobalActions;
392    Handler mHandler;
393    WindowState mLastInputMethodWindow = null;
394    WindowState mLastInputMethodTargetWindow = null;
395
396    // FIXME This state is shared between the input reader and handler thread.
397    // Technically it's broken and buggy but it has been like this for many years
398    // and we have not yet seen any problems.  Someday we'll rewrite this logic
399    // so that only one thread is involved in handling input policy.  Unfortunately
400    // it's on a critical path for power management so we can't just post the work to the
401    // handler thread.  We'll need to resolve this someday by teaching the input dispatcher
402    // to hold wakelocks during dispatch and eliminating the critical path.
403    volatile boolean mPowerKeyHandled;
404    volatile boolean mBackKeyHandled;
405    volatile boolean mBeganFromNonInteractive;
406    volatile int mPowerKeyPressCounter;
407    volatile boolean mEndCallKeyHandled;
408    volatile boolean mCameraGestureTriggeredDuringGoingToSleep;
409    volatile boolean mGoingToSleep;
410    volatile boolean mRecentsVisible;
411    volatile boolean mTvPictureInPictureVisible;
412
413    int mRecentAppsHeldModifiers;
414    boolean mLanguageSwitchKeyPressed;
415
416    int mLidState = LID_ABSENT;
417    int mCameraLensCoverState = CAMERA_LENS_COVER_ABSENT;
418    boolean mHaveBuiltInKeyboard;
419
420    boolean mSystemReady;
421    boolean mSystemBooted;
422    private boolean mDeferBindKeyguard;
423    boolean mHdmiPlugged;
424    HdmiControl mHdmiControl;
425    IUiModeManager mUiModeManager;
426    int mUiMode;
427    int mDockMode = Intent.EXTRA_DOCK_STATE_UNDOCKED;
428    int mLidOpenRotation;
429    int mCarDockRotation;
430    int mDeskDockRotation;
431    int mUndockedHdmiRotation;
432    int mDemoHdmiRotation;
433    boolean mDemoHdmiRotationLock;
434    int mDemoRotation;
435    boolean mDemoRotationLock;
436
437    boolean mWakeGestureEnabledSetting;
438    MyWakeGestureListener mWakeGestureListener;
439
440    // Default display does not rotate, apps that require non-default orientation will have to
441    // have the orientation emulated.
442    private boolean mForceDefaultOrientation = false;
443
444    int mUserRotationMode = WindowManagerPolicy.USER_ROTATION_FREE;
445    int mUserRotation = Surface.ROTATION_0;
446    boolean mAccelerometerDefault;
447
448    boolean mSupportAutoRotation;
449    int mAllowAllRotations = -1;
450    boolean mCarDockEnablesAccelerometer;
451    boolean mDeskDockEnablesAccelerometer;
452    int mLidKeyboardAccessibility;
453    int mLidNavigationAccessibility;
454    boolean mLidControlsScreenLock;
455    boolean mLidControlsSleep;
456    int mShortPressOnPowerBehavior;
457    int mLongPressOnPowerBehavior;
458    int mDoublePressOnPowerBehavior;
459    int mTriplePressOnPowerBehavior;
460    int mLongPressOnBackBehavior;
461    int mShortPressOnSleepBehavior;
462    int mShortPressWindowBehavior;
463    boolean mAwake;
464    boolean mScreenOnEarly;
465    boolean mScreenOnFully;
466    ScreenOnListener mScreenOnListener;
467    boolean mKeyguardDrawComplete;
468    boolean mWindowManagerDrawComplete;
469    boolean mOrientationSensorEnabled = false;
470    int mCurrentAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
471    boolean mHasSoftInput = false;
472    boolean mTranslucentDecorEnabled = true;
473    boolean mUseTvRouting;
474
475    int mPointerLocationMode = 0; // guarded by mLock
476
477    // The last window we were told about in focusChanged.
478    WindowState mFocusedWindow;
479    IApplicationToken mFocusedApp;
480
481    PointerLocationView mPointerLocationView;
482
483    // The current size of the screen; really; extends into the overscan area of
484    // the screen and doesn't account for any system elements like the status bar.
485    int mOverscanScreenLeft, mOverscanScreenTop;
486    int mOverscanScreenWidth, mOverscanScreenHeight;
487    // The current visible size of the screen; really; (ir)regardless of whether the status
488    // bar can be hidden but not extending into the overscan area.
489    int mUnrestrictedScreenLeft, mUnrestrictedScreenTop;
490    int mUnrestrictedScreenWidth, mUnrestrictedScreenHeight;
491    // Like mOverscanScreen*, but allowed to move into the overscan region where appropriate.
492    int mRestrictedOverscanScreenLeft, mRestrictedOverscanScreenTop;
493    int mRestrictedOverscanScreenWidth, mRestrictedOverscanScreenHeight;
494    // The current size of the screen; these may be different than (0,0)-(dw,dh)
495    // if the status bar can't be hidden; in that case it effectively carves out
496    // that area of the display from all other windows.
497    int mRestrictedScreenLeft, mRestrictedScreenTop;
498    int mRestrictedScreenWidth, mRestrictedScreenHeight;
499    // During layout, the current screen borders accounting for any currently
500    // visible system UI elements.
501    int mSystemLeft, mSystemTop, mSystemRight, mSystemBottom;
502    // For applications requesting stable content insets, these are them.
503    int mStableLeft, mStableTop, mStableRight, mStableBottom;
504    // For applications requesting stable content insets but have also set the
505    // fullscreen window flag, these are the stable dimensions without the status bar.
506    int mStableFullscreenLeft, mStableFullscreenTop;
507    int mStableFullscreenRight, mStableFullscreenBottom;
508    // During layout, the current screen borders with all outer decoration
509    // (status bar, input method dock) accounted for.
510    int mCurLeft, mCurTop, mCurRight, mCurBottom;
511    // During layout, the frame in which content should be displayed
512    // to the user, accounting for all screen decoration except for any
513    // space they deem as available for other content.  This is usually
514    // the same as mCur*, but may be larger if the screen decor has supplied
515    // content insets.
516    int mContentLeft, mContentTop, mContentRight, mContentBottom;
517    // During layout, the frame in which voice content should be displayed
518    // to the user, accounting for all screen decoration except for any
519    // space they deem as available for other content.
520    int mVoiceContentLeft, mVoiceContentTop, mVoiceContentRight, mVoiceContentBottom;
521    // During layout, the current screen borders along which input method
522    // windows are placed.
523    int mDockLeft, mDockTop, mDockRight, mDockBottom;
524    // During layout, the layer at which the doc window is placed.
525    int mDockLayer;
526    // During layout, this is the layer of the status bar.
527    int mStatusBarLayer;
528    int mLastSystemUiFlags;
529    // Bits that we are in the process of clearing, so we want to prevent
530    // them from being set by applications until everything has been updated
531    // to have them clear.
532    int mResettingSystemUiFlags = 0;
533    // Bits that we are currently always keeping cleared.
534    int mForceClearedSystemUiFlags = 0;
535    int mLastFullscreenStackSysUiFlags;
536    int mLastDockedStackSysUiFlags;
537    final Rect mNonDockedStackBounds = new Rect();
538    final Rect mDockedStackBounds = new Rect();
539    final Rect mLastNonDockedStackBounds = new Rect();
540    final Rect mLastDockedStackBounds = new Rect();
541
542    // What we last reported to system UI about whether the compatibility
543    // menu needs to be displayed.
544    boolean mLastFocusNeedsMenu = false;
545    // If nonzero, a panic gesture was performed at that time in uptime millis and is still pending.
546    private long mPendingPanicGestureUptime;
547
548    InputConsumer mInputConsumer = null;
549
550    static final Rect mTmpParentFrame = new Rect();
551    static final Rect mTmpDisplayFrame = new Rect();
552    static final Rect mTmpOverscanFrame = new Rect();
553    static final Rect mTmpContentFrame = new Rect();
554    static final Rect mTmpVisibleFrame = new Rect();
555    static final Rect mTmpDecorFrame = new Rect();
556    static final Rect mTmpStableFrame = new Rect();
557    static final Rect mTmpNavigationFrame = new Rect();
558    static final Rect mTmpOutsetFrame = new Rect();
559    private static final Rect mTmpRect = new Rect();
560
561    WindowState mTopFullscreenOpaqueWindowState;
562    WindowState mTopFullscreenOpaqueOrDimmingWindowState;
563    WindowState mTopDockedOpaqueWindowState;
564    WindowState mTopDockedOpaqueOrDimmingWindowState;
565    HashSet<IApplicationToken> mAppsToBeHidden = new HashSet<IApplicationToken>();
566    HashSet<IApplicationToken> mAppsThatDismissKeyguard = new HashSet<IApplicationToken>();
567    boolean mTopIsFullscreen;
568    boolean mForceStatusBar;
569    boolean mForceStatusBarFromKeyguard;
570    private boolean mForceStatusBarTransparent;
571    int mNavBarOpacityMode = NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED;
572    boolean mHideLockScreen;
573    boolean mForcingShowNavBar;
574    int mForcingShowNavBarLayer;
575
576    // States of keyguard dismiss.
577    private static final int DISMISS_KEYGUARD_NONE = 0; // Keyguard not being dismissed.
578    private static final int DISMISS_KEYGUARD_START = 1; // Keyguard needs to be dismissed.
579    private static final int DISMISS_KEYGUARD_CONTINUE = 2; // Keyguard has been dismissed.
580    int mDismissKeyguard = DISMISS_KEYGUARD_NONE;
581
582    /** The window that is currently dismissing the keyguard. Dismissing the keyguard must only
583     * be done once per window. */
584    private WindowState mWinDismissingKeyguard;
585
586    /** When window is currently dismissing the keyguard, dismissing the keyguard must handle
587     * the keygaurd secure state change instantly case, e.g. the use case of inserting a PIN
588     * lock SIM card. This variable is used to record the previous keyguard secure state for
589     * monitoring secure state change on window dismissing keyguard. */
590    private boolean mSecureDismissingKeyguard;
591
592    /** The window that is currently showing "over" the keyguard. If there is an app window
593     * belonging to another app on top of this the keyguard shows. If there is a fullscreen
594     * app window under this, still dismiss the keyguard but don't show the app underneath. Show
595     * the wallpaper. */
596    private WindowState mWinShowWhenLocked;
597
598    boolean mShowingLockscreen;
599    boolean mShowingDream;
600    boolean mDreamingLockscreen;
601    boolean mDreamingSleepTokenNeeded;
602    SleepToken mDreamingSleepToken;
603    SleepToken mScreenOffSleepToken;
604    boolean mKeyguardSecure;
605    boolean mKeyguardSecureIncludingHidden;
606    volatile boolean mKeyguardOccluded;
607    boolean mHomePressed;
608    boolean mHomeConsumed;
609    boolean mHomeDoubleTapPending;
610    Intent mHomeIntent;
611    Intent mCarDockIntent;
612    Intent mDeskDockIntent;
613    boolean mSearchKeyShortcutPending;
614    boolean mConsumeSearchKeyUp;
615    boolean mAssistKeyLongPressed;
616    boolean mPendingMetaAction;
617    boolean mPendingCapsLockToggle;
618    int mMetaState;
619    int mInitialMetaState;
620    boolean mForceShowSystemBars;
621
622    // support for activating the lock screen while the screen is on
623    boolean mAllowLockscreenWhenOn;
624    int mLockScreenTimeout;
625    boolean mLockScreenTimerActive;
626
627    // Behavior of ENDCALL Button.  (See Settings.System.END_BUTTON_BEHAVIOR.)
628    int mEndcallBehavior;
629
630    // Behavior of POWER button while in-call and screen on.
631    // (See Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR.)
632    int mIncallPowerBehavior;
633
634    Display mDisplay;
635
636    private int mDisplayRotation;
637
638    int mLandscapeRotation = 0;  // default landscape rotation
639    int mSeascapeRotation = 0;   // "other" landscape rotation, 180 degrees from mLandscapeRotation
640    int mPortraitRotation = 0;   // default portrait rotation
641    int mUpsideDownRotation = 0; // "other" portrait rotation
642
643    int mOverscanLeft = 0;
644    int mOverscanTop = 0;
645    int mOverscanRight = 0;
646    int mOverscanBottom = 0;
647
648    // What we do when the user long presses on home
649    private int mLongPressOnHomeBehavior;
650
651    // What we do when the user double-taps on home
652    private int mDoubleTapOnHomeBehavior;
653
654    // Allowed theater mode wake actions
655    private boolean mAllowTheaterModeWakeFromKey;
656    private boolean mAllowTheaterModeWakeFromPowerKey;
657    private boolean mAllowTheaterModeWakeFromMotion;
658    private boolean mAllowTheaterModeWakeFromMotionWhenNotDreaming;
659    private boolean mAllowTheaterModeWakeFromCameraLens;
660    private boolean mAllowTheaterModeWakeFromLidSwitch;
661    private boolean mAllowTheaterModeWakeFromWakeGesture;
662
663    // Whether to support long press from power button in non-interactive mode
664    private boolean mSupportLongPressPowerWhenNonInteractive;
665
666    // Whether to go to sleep entering theater mode from power button
667    private boolean mGoToSleepOnButtonPressTheaterMode;
668
669    // Screenshot trigger states
670    // Time to volume and power must be pressed within this interval of each other.
671    private static final long SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS = 150;
672    // Increase the chord delay when taking a screenshot from the keyguard
673    private static final float KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER = 2.5f;
674    private boolean mScreenshotChordEnabled;
675    private boolean mScreenshotChordVolumeDownKeyTriggered;
676    private long mScreenshotChordVolumeDownKeyTime;
677    private boolean mScreenshotChordVolumeDownKeyConsumed;
678    private boolean mScreenshotChordVolumeUpKeyTriggered;
679    private boolean mScreenshotChordPowerKeyTriggered;
680    private long mScreenshotChordPowerKeyTime;
681
682    /* The number of steps between min and max brightness */
683    private static final int BRIGHTNESS_STEPS = 10;
684
685    SettingsObserver mSettingsObserver;
686    ShortcutManager mShortcutManager;
687    PowerManager.WakeLock mBroadcastWakeLock;
688    PowerManager.WakeLock mPowerKeyWakeLock;
689    boolean mHavePendingMediaKeyRepeatWithWakeLock;
690
691    private int mCurrentUserId;
692
693    // Maps global key codes to the components that will handle them.
694    private GlobalKeyManager mGlobalKeyManager;
695
696    // Fallback actions by key code.
697    private final SparseArray<KeyCharacterMap.FallbackAction> mFallbackActions =
698            new SparseArray<KeyCharacterMap.FallbackAction>();
699
700    private final LogDecelerateInterpolator mLogDecelerateInterpolator
701            = new LogDecelerateInterpolator(100, 0);
702
703    private final MutableBoolean mTmpBoolean = new MutableBoolean(false);
704
705    private static final int MSG_ENABLE_POINTER_LOCATION = 1;
706    private static final int MSG_DISABLE_POINTER_LOCATION = 2;
707    private static final int MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK = 3;
708    private static final int MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK = 4;
709    private static final int MSG_KEYGUARD_DRAWN_COMPLETE = 5;
710    private static final int MSG_KEYGUARD_DRAWN_TIMEOUT = 6;
711    private static final int MSG_WINDOW_MANAGER_DRAWN_COMPLETE = 7;
712    private static final int MSG_DISPATCH_SHOW_RECENTS = 9;
713    private static final int MSG_DISPATCH_SHOW_GLOBAL_ACTIONS = 10;
714    private static final int MSG_HIDE_BOOT_MESSAGE = 11;
715    private static final int MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK = 12;
716    private static final int MSG_POWER_DELAYED_PRESS = 13;
717    private static final int MSG_POWER_LONG_PRESS = 14;
718    private static final int MSG_UPDATE_DREAMING_SLEEP_TOKEN = 15;
719    private static final int MSG_REQUEST_TRANSIENT_BARS = 16;
720    private static final int MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU = 17;
721    private static final int MSG_BACK_LONG_PRESS = 18;
722    private static final int MSG_DISPOSE_INPUT_CONSUMER = 19;
723
724    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS = 0;
725    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION = 1;
726
727    private class PolicyHandler extends Handler {
728        @Override
729        public void handleMessage(Message msg) {
730            switch (msg.what) {
731                case MSG_ENABLE_POINTER_LOCATION:
732                    enablePointerLocation();
733                    break;
734                case MSG_DISABLE_POINTER_LOCATION:
735                    disablePointerLocation();
736                    break;
737                case MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK:
738                    dispatchMediaKeyWithWakeLock((KeyEvent)msg.obj);
739                    break;
740                case MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK:
741                    dispatchMediaKeyRepeatWithWakeLock((KeyEvent)msg.obj);
742                    break;
743                case MSG_DISPATCH_SHOW_RECENTS:
744                    showRecentApps(false, msg.arg1 != 0);
745                    break;
746                case MSG_DISPATCH_SHOW_GLOBAL_ACTIONS:
747                    showGlobalActionsInternal();
748                    break;
749                case MSG_KEYGUARD_DRAWN_COMPLETE:
750                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mKeyguardDrawComplete");
751                    finishKeyguardDrawn();
752                    break;
753                case MSG_KEYGUARD_DRAWN_TIMEOUT:
754                    Slog.w(TAG, "Keyguard drawn timeout. Setting mKeyguardDrawComplete");
755                    finishKeyguardDrawn();
756                    break;
757                case MSG_WINDOW_MANAGER_DRAWN_COMPLETE:
758                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mWindowManagerDrawComplete");
759                    finishWindowsDrawn();
760                    break;
761                case MSG_HIDE_BOOT_MESSAGE:
762                    handleHideBootMessage();
763                    break;
764                case MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK:
765                    launchVoiceAssistWithWakeLock(msg.arg1 != 0);
766                    break;
767                case MSG_POWER_DELAYED_PRESS:
768                    powerPress((Long)msg.obj, msg.arg1 != 0, msg.arg2);
769                    finishPowerKeyPress();
770                    break;
771                case MSG_POWER_LONG_PRESS:
772                    powerLongPress();
773                    break;
774                case MSG_UPDATE_DREAMING_SLEEP_TOKEN:
775                    updateDreamingSleepToken(msg.arg1 != 0);
776                    break;
777                case MSG_REQUEST_TRANSIENT_BARS:
778                    WindowState targetBar = (msg.arg1 == MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS) ?
779                            mStatusBar : mNavigationBar;
780                    if (targetBar != null) {
781                        requestTransientBars(targetBar);
782                    }
783                    break;
784                case MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU:
785                    showTvPictureInPictureMenuInternal();
786                    break;
787                case MSG_BACK_LONG_PRESS:
788                    backLongPress();
789                    break;
790                case MSG_DISPOSE_INPUT_CONSUMER:
791                    disposeInputConsumer((InputConsumer) msg.obj);
792                    break;
793            }
794        }
795    }
796
797    private UEventObserver mHDMIObserver = new UEventObserver() {
798        @Override
799        public void onUEvent(UEventObserver.UEvent event) {
800            setHdmiPlugged("1".equals(event.get("SWITCH_STATE")));
801        }
802    };
803
804    class SettingsObserver extends ContentObserver {
805        SettingsObserver(Handler handler) {
806            super(handler);
807        }
808
809        void observe() {
810            // Observe all users' changes
811            ContentResolver resolver = mContext.getContentResolver();
812            resolver.registerContentObserver(Settings.System.getUriFor(
813                    Settings.System.END_BUTTON_BEHAVIOR), false, this,
814                    UserHandle.USER_ALL);
815            resolver.registerContentObserver(Settings.Secure.getUriFor(
816                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR), false, this,
817                    UserHandle.USER_ALL);
818            resolver.registerContentObserver(Settings.Secure.getUriFor(
819                    Settings.Secure.WAKE_GESTURE_ENABLED), false, this,
820                    UserHandle.USER_ALL);
821            resolver.registerContentObserver(Settings.System.getUriFor(
822                    Settings.System.ACCELEROMETER_ROTATION), false, this,
823                    UserHandle.USER_ALL);
824            resolver.registerContentObserver(Settings.System.getUriFor(
825                    Settings.System.USER_ROTATION), false, this,
826                    UserHandle.USER_ALL);
827            resolver.registerContentObserver(Settings.System.getUriFor(
828                    Settings.System.SCREEN_OFF_TIMEOUT), false, this,
829                    UserHandle.USER_ALL);
830            resolver.registerContentObserver(Settings.System.getUriFor(
831                    Settings.System.POINTER_LOCATION), false, this,
832                    UserHandle.USER_ALL);
833            resolver.registerContentObserver(Settings.Secure.getUriFor(
834                    Settings.Secure.DEFAULT_INPUT_METHOD), false, this,
835                    UserHandle.USER_ALL);
836            resolver.registerContentObserver(Settings.Secure.getUriFor(
837                    Settings.Secure.IMMERSIVE_MODE_CONFIRMATIONS), false, this,
838                    UserHandle.USER_ALL);
839            resolver.registerContentObserver(Settings.Global.getUriFor(
840                    Settings.Global.POLICY_CONTROL), false, this,
841                    UserHandle.USER_ALL);
842            updateSettings();
843        }
844
845        @Override public void onChange(boolean selfChange) {
846            updateSettings();
847            updateRotation(false);
848        }
849    }
850
851    class MyWakeGestureListener extends WakeGestureListener {
852        MyWakeGestureListener(Context context, Handler handler) {
853            super(context, handler);
854        }
855
856        @Override
857        public void onWakeUp() {
858            synchronized (mLock) {
859                if (shouldEnableWakeGestureLp()) {
860                    performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
861                    wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromWakeGesture,
862                            "android.policy:GESTURE");
863                }
864            }
865        }
866    }
867
868    class MyOrientationListener extends WindowOrientationListener {
869        private final Runnable mUpdateRotationRunnable = new Runnable() {
870            @Override
871            public void run() {
872                // send interaction hint to improve redraw performance
873                mPowerManagerInternal.powerHint(PowerManagerInternal.POWER_HINT_INTERACTION, 0);
874                updateRotation(false);
875            }
876        };
877
878        MyOrientationListener(Context context, Handler handler) {
879            super(context, handler);
880        }
881
882        @Override
883        public void onProposedRotationChanged(int rotation) {
884            if (localLOGV) Slog.v(TAG, "onProposedRotationChanged, rotation=" + rotation);
885            mHandler.post(mUpdateRotationRunnable);
886        }
887    }
888    MyOrientationListener mOrientationListener;
889
890    private final StatusBarController mStatusBarController = new StatusBarController();
891
892    private final BarController mNavigationBarController = new BarController("NavigationBar",
893            View.NAVIGATION_BAR_TRANSIENT,
894            View.NAVIGATION_BAR_UNHIDE,
895            View.NAVIGATION_BAR_TRANSLUCENT,
896            StatusBarManager.WINDOW_NAVIGATION_BAR,
897            WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION,
898            View.NAVIGATION_BAR_TRANSPARENT);
899
900    private ImmersiveModeConfirmation mImmersiveModeConfirmation;
901
902    private SystemGesturesPointerEventListener mSystemGestures;
903
904    IStatusBarService getStatusBarService() {
905        synchronized (mServiceAquireLock) {
906            if (mStatusBarService == null) {
907                mStatusBarService = IStatusBarService.Stub.asInterface(
908                        ServiceManager.getService("statusbar"));
909            }
910            return mStatusBarService;
911        }
912    }
913
914    StatusBarManagerInternal getStatusBarManagerInternal() {
915        synchronized (mServiceAquireLock) {
916            if (mStatusBarManagerInternal == null) {
917                mStatusBarManagerInternal =
918                        LocalServices.getService(StatusBarManagerInternal.class);
919            }
920            return mStatusBarManagerInternal;
921        }
922    }
923
924    /*
925     * We always let the sensor be switched on by default except when
926     * the user has explicitly disabled sensor based rotation or when the
927     * screen is switched off.
928     */
929    boolean needSensorRunningLp() {
930        if (mSupportAutoRotation) {
931            if (mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
932                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
933                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT
934                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE) {
935                // If the application has explicitly requested to follow the
936                // orientation, then we need to turn the sensor on.
937                return true;
938            }
939        }
940        if ((mCarDockEnablesAccelerometer && mDockMode == Intent.EXTRA_DOCK_STATE_CAR) ||
941                (mDeskDockEnablesAccelerometer && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
942                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
943                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK))) {
944            // enable accelerometer if we are docked in a dock that enables accelerometer
945            // orientation management,
946            return true;
947        }
948        if (mUserRotationMode == USER_ROTATION_LOCKED) {
949            // If the setting for using the sensor by default is enabled, then
950            // we will always leave it on.  Note that the user could go to
951            // a window that forces an orientation that does not use the
952            // sensor and in theory we could turn it off... however, when next
953            // turning it on we won't have a good value for the current
954            // orientation for a little bit, which can cause orientation
955            // changes to lag, so we'd like to keep it always on.  (It will
956            // still be turned off when the screen is off.)
957            return false;
958        }
959        return mSupportAutoRotation;
960    }
961
962    /*
963     * Various use cases for invoking this function
964     * screen turning off, should always disable listeners if already enabled
965     * screen turned on and current app has sensor based orientation, enable listeners
966     * if not already enabled
967     * screen turned on and current app does not have sensor orientation, disable listeners if
968     * already enabled
969     * screen turning on and current app has sensor based orientation, enable listeners if needed
970     * screen turning on and current app has nosensor based orientation, do nothing
971     */
972    void updateOrientationListenerLp() {
973        if (!mOrientationListener.canDetectOrientation()) {
974            // If sensor is turned off or nonexistent for some reason
975            return;
976        }
977        // Could have been invoked due to screen turning on or off or
978        // change of the currently visible window's orientation.
979        if (localLOGV) Slog.v(TAG, "mScreenOnEarly=" + mScreenOnEarly
980                + ", mAwake=" + mAwake + ", mCurrentAppOrientation=" + mCurrentAppOrientation
981                + ", mOrientationSensorEnabled=" + mOrientationSensorEnabled
982                + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
983                + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
984        boolean disable = true;
985        // Note: We postpone the rotating of the screen until the keyguard as well as the
986        // window manager have reported a draw complete.
987        if (mScreenOnEarly && mAwake &&
988                mKeyguardDrawComplete && mWindowManagerDrawComplete) {
989            if (needSensorRunningLp()) {
990                disable = false;
991                //enable listener if not already enabled
992                if (!mOrientationSensorEnabled) {
993                    mOrientationListener.enable();
994                    if(localLOGV) Slog.v(TAG, "Enabling listeners");
995                    mOrientationSensorEnabled = true;
996                }
997            }
998        }
999        //check if sensors need to be disabled
1000        if (disable && mOrientationSensorEnabled) {
1001            mOrientationListener.disable();
1002            if(localLOGV) Slog.v(TAG, "Disabling listeners");
1003            mOrientationSensorEnabled = false;
1004        }
1005    }
1006
1007    private void interceptPowerKeyDown(KeyEvent event, boolean interactive) {
1008        // Hold a wake lock until the power key is released.
1009        if (!mPowerKeyWakeLock.isHeld()) {
1010            mPowerKeyWakeLock.acquire();
1011        }
1012
1013        // Cancel multi-press detection timeout.
1014        if (mPowerKeyPressCounter != 0) {
1015            mHandler.removeMessages(MSG_POWER_DELAYED_PRESS);
1016        }
1017
1018        // Detect user pressing the power button in panic when an application has
1019        // taken over the whole screen.
1020        boolean panic = mImmersiveModeConfirmation.onPowerKeyDown(interactive,
1021                SystemClock.elapsedRealtime(), isImmersiveMode(mLastSystemUiFlags));
1022        if (panic) {
1023            mHandler.post(mHiddenNavPanic);
1024        }
1025
1026        // Latch power key state to detect screenshot chord.
1027        if (interactive && !mScreenshotChordPowerKeyTriggered
1028                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
1029            mScreenshotChordPowerKeyTriggered = true;
1030            mScreenshotChordPowerKeyTime = event.getDownTime();
1031            interceptScreenshotChord();
1032        }
1033
1034        // Stop ringing or end call if configured to do so when power is pressed.
1035        TelecomManager telecomManager = getTelecommService();
1036        boolean hungUp = false;
1037        if (telecomManager != null) {
1038            if (telecomManager.isRinging()) {
1039                // Pressing Power while there's a ringing incoming
1040                // call should silence the ringer.
1041                telecomManager.silenceRinger();
1042            } else if ((mIncallPowerBehavior
1043                    & Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP) != 0
1044                    && telecomManager.isInCall() && interactive) {
1045                // Otherwise, if "Power button ends call" is enabled,
1046                // the Power button will hang up any current active call.
1047                hungUp = telecomManager.endCall();
1048            }
1049        }
1050
1051        GestureLauncherService gestureService = LocalServices.getService(
1052                GestureLauncherService.class);
1053        boolean gesturedServiceIntercepted = false;
1054        if (gestureService != null) {
1055            gesturedServiceIntercepted = gestureService.interceptPowerKeyDown(event, interactive,
1056                    mTmpBoolean);
1057            if (mTmpBoolean.value && mGoingToSleep) {
1058                mCameraGestureTriggeredDuringGoingToSleep = true;
1059            }
1060        }
1061
1062        // If the power key has still not yet been handled, then detect short
1063        // press, long press, or multi press and decide what to do.
1064        mPowerKeyHandled = hungUp || mScreenshotChordVolumeDownKeyTriggered
1065                || mScreenshotChordVolumeUpKeyTriggered || gesturedServiceIntercepted;
1066        if (!mPowerKeyHandled) {
1067            if (interactive) {
1068                // When interactive, we're already awake.
1069                // Wait for a long press or for the button to be released to decide what to do.
1070                if (hasLongPressOnPowerBehavior()) {
1071                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
1072                    msg.setAsynchronous(true);
1073                    mHandler.sendMessageDelayed(msg,
1074                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1075                }
1076            } else {
1077                wakeUpFromPowerKey(event.getDownTime());
1078
1079                if (mSupportLongPressPowerWhenNonInteractive && hasLongPressOnPowerBehavior()) {
1080                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
1081                    msg.setAsynchronous(true);
1082                    mHandler.sendMessageDelayed(msg,
1083                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1084                    mBeganFromNonInteractive = true;
1085                } else {
1086                    final int maxCount = getMaxMultiPressPowerCount();
1087
1088                    if (maxCount <= 1) {
1089                        mPowerKeyHandled = true;
1090                    } else {
1091                        mBeganFromNonInteractive = true;
1092                    }
1093                }
1094            }
1095        }
1096    }
1097
1098    private void interceptPowerKeyUp(KeyEvent event, boolean interactive, boolean canceled) {
1099        final boolean handled = canceled || mPowerKeyHandled;
1100        mScreenshotChordPowerKeyTriggered = false;
1101        cancelPendingScreenshotChordAction();
1102        cancelPendingPowerKeyAction();
1103
1104        if (!handled) {
1105            // Figure out how to handle the key now that it has been released.
1106            mPowerKeyPressCounter += 1;
1107
1108            final int maxCount = getMaxMultiPressPowerCount();
1109            final long eventTime = event.getDownTime();
1110            if (mPowerKeyPressCounter < maxCount) {
1111                // This could be a multi-press.  Wait a little bit longer to confirm.
1112                // Continue holding the wake lock.
1113                Message msg = mHandler.obtainMessage(MSG_POWER_DELAYED_PRESS,
1114                        interactive ? 1 : 0, mPowerKeyPressCounter, eventTime);
1115                msg.setAsynchronous(true);
1116                mHandler.sendMessageDelayed(msg, ViewConfiguration.getDoubleTapTimeout());
1117                return;
1118            }
1119
1120            // No other actions.  Handle it immediately.
1121            powerPress(eventTime, interactive, mPowerKeyPressCounter);
1122        }
1123
1124        // Done.  Reset our state.
1125        finishPowerKeyPress();
1126    }
1127
1128    private void finishPowerKeyPress() {
1129        mBeganFromNonInteractive = false;
1130        mPowerKeyPressCounter = 0;
1131        if (mPowerKeyWakeLock.isHeld()) {
1132            mPowerKeyWakeLock.release();
1133        }
1134    }
1135
1136    private void cancelPendingPowerKeyAction() {
1137        if (!mPowerKeyHandled) {
1138            mPowerKeyHandled = true;
1139            mHandler.removeMessages(MSG_POWER_LONG_PRESS);
1140        }
1141    }
1142
1143    private void cancelPendingBackKeyAction() {
1144        if (!mBackKeyHandled) {
1145            mBackKeyHandled = true;
1146            mHandler.removeMessages(MSG_BACK_LONG_PRESS);
1147        }
1148    }
1149
1150    private void powerPress(long eventTime, boolean interactive, int count) {
1151        if (mScreenOnEarly && !mScreenOnFully) {
1152            Slog.i(TAG, "Suppressed redundant power key press while "
1153                    + "already in the process of turning the screen on.");
1154            return;
1155        }
1156
1157        if (count == 2) {
1158            powerMultiPressAction(eventTime, interactive, mDoublePressOnPowerBehavior);
1159        } else if (count == 3) {
1160            powerMultiPressAction(eventTime, interactive, mTriplePressOnPowerBehavior);
1161        } else if (interactive && !mBeganFromNonInteractive) {
1162            switch (mShortPressOnPowerBehavior) {
1163                case SHORT_PRESS_POWER_NOTHING:
1164                    break;
1165                case SHORT_PRESS_POWER_GO_TO_SLEEP:
1166                    mPowerManager.goToSleep(eventTime,
1167                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1168                    break;
1169                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP:
1170                    mPowerManager.goToSleep(eventTime,
1171                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1172                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1173                    break;
1174                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME:
1175                    mPowerManager.goToSleep(eventTime,
1176                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1177                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1178                    launchHomeFromHotKey();
1179                    break;
1180                case SHORT_PRESS_POWER_GO_HOME:
1181                    launchHomeFromHotKey(true /* awakenFromDreams */, false /*respectKeyguard*/);
1182                    break;
1183            }
1184        }
1185    }
1186
1187    private void powerMultiPressAction(long eventTime, boolean interactive, int behavior) {
1188        switch (behavior) {
1189            case MULTI_PRESS_POWER_NOTHING:
1190                break;
1191            case MULTI_PRESS_POWER_THEATER_MODE:
1192                if (!isUserSetupComplete()) {
1193                    Slog.i(TAG, "Ignoring toggling theater mode - device not setup.");
1194                    break;
1195                }
1196
1197                if (isTheaterModeEnabled()) {
1198                    Slog.i(TAG, "Toggling theater mode off.");
1199                    Settings.Global.putInt(mContext.getContentResolver(),
1200                            Settings.Global.THEATER_MODE_ON, 0);
1201                    if (!interactive) {
1202                        wakeUpFromPowerKey(eventTime);
1203                    }
1204                } else {
1205                    Slog.i(TAG, "Toggling theater mode on.");
1206                    Settings.Global.putInt(mContext.getContentResolver(),
1207                            Settings.Global.THEATER_MODE_ON, 1);
1208
1209                    if (mGoToSleepOnButtonPressTheaterMode && interactive) {
1210                        mPowerManager.goToSleep(eventTime,
1211                                PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1212                    }
1213                }
1214                break;
1215            case MULTI_PRESS_POWER_BRIGHTNESS_BOOST:
1216                Slog.i(TAG, "Starting brightness boost.");
1217                if (!interactive) {
1218                    wakeUpFromPowerKey(eventTime);
1219                }
1220                mPowerManager.boostScreenBrightness(eventTime);
1221                break;
1222        }
1223    }
1224
1225    private int getMaxMultiPressPowerCount() {
1226        if (mTriplePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1227            return 3;
1228        }
1229        if (mDoublePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1230            return 2;
1231        }
1232        return 1;
1233    }
1234
1235    private void powerLongPress() {
1236        final int behavior = getResolvedLongPressOnPowerBehavior();
1237        switch (behavior) {
1238        case LONG_PRESS_POWER_NOTHING:
1239            break;
1240        case LONG_PRESS_POWER_GLOBAL_ACTIONS:
1241            mPowerKeyHandled = true;
1242            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1243                performAuditoryFeedbackForAccessibilityIfNeed();
1244            }
1245            showGlobalActionsInternal();
1246            break;
1247        case LONG_PRESS_POWER_SHUT_OFF:
1248        case LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM:
1249            mPowerKeyHandled = true;
1250            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1251            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1252            mWindowManagerFuncs.shutdown(behavior == LONG_PRESS_POWER_SHUT_OFF);
1253            break;
1254        }
1255    }
1256
1257    private void backLongPress() {
1258        mBackKeyHandled = true;
1259
1260        switch (mLongPressOnBackBehavior) {
1261            case LONG_PRESS_BACK_NOTHING:
1262                break;
1263            case LONG_PRESS_BACK_GO_TO_VOICE_ASSIST:
1264                Intent intent = new Intent(Intent.ACTION_VOICE_ASSIST);
1265                startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
1266                break;
1267        }
1268    }
1269
1270    private void disposeInputConsumer(InputConsumer inputConsumer) {
1271        if (inputConsumer != null) {
1272            inputConsumer.dismiss();
1273        }
1274    }
1275
1276    private void sleepPress(long eventTime) {
1277        if (mShortPressOnSleepBehavior == SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME) {
1278            launchHomeFromHotKey(false /* awakenDreams */, true /*respectKeyguard*/);
1279        }
1280    }
1281
1282    private void sleepRelease(long eventTime) {
1283        switch (mShortPressOnSleepBehavior) {
1284            case SHORT_PRESS_SLEEP_GO_TO_SLEEP:
1285            case SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME:
1286                Slog.i(TAG, "sleepRelease() calling goToSleep(GO_TO_SLEEP_REASON_SLEEP_BUTTON)");
1287                mPowerManager.goToSleep(eventTime,
1288                       PowerManager.GO_TO_SLEEP_REASON_SLEEP_BUTTON, 0);
1289                break;
1290        }
1291    }
1292
1293    private int getResolvedLongPressOnPowerBehavior() {
1294        if (FactoryTest.isLongPressOnPowerOffEnabled()) {
1295            return LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;
1296        }
1297        return mLongPressOnPowerBehavior;
1298    }
1299
1300    private boolean hasLongPressOnPowerBehavior() {
1301        return getResolvedLongPressOnPowerBehavior() != LONG_PRESS_POWER_NOTHING;
1302    }
1303
1304    private boolean hasLongPressOnBackBehavior() {
1305        return mLongPressOnBackBehavior != LONG_PRESS_BACK_NOTHING;
1306    }
1307
1308    private void interceptScreenshotChord() {
1309        if (mScreenshotChordEnabled
1310                && mScreenshotChordVolumeDownKeyTriggered && mScreenshotChordPowerKeyTriggered
1311                && !mScreenshotChordVolumeUpKeyTriggered) {
1312            final long now = SystemClock.uptimeMillis();
1313            if (now <= mScreenshotChordVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS
1314                    && now <= mScreenshotChordPowerKeyTime
1315                            + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS) {
1316                mScreenshotChordVolumeDownKeyConsumed = true;
1317                cancelPendingPowerKeyAction();
1318                mScreenshotRunnable.setScreenshotType(TAKE_SCREENSHOT_FULLSCREEN);
1319                mHandler.postDelayed(mScreenshotRunnable, getScreenshotChordLongPressDelay());
1320            }
1321        }
1322    }
1323
1324    private long getScreenshotChordLongPressDelay() {
1325        if (mKeyguardDelegate.isShowing()) {
1326            // Double the time it takes to take a screenshot from the keyguard
1327            return (long) (KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER *
1328                    ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1329        }
1330        return ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout();
1331    }
1332
1333    private void cancelPendingScreenshotChordAction() {
1334        mHandler.removeCallbacks(mScreenshotRunnable);
1335    }
1336
1337    private final Runnable mEndCallLongPress = new Runnable() {
1338        @Override
1339        public void run() {
1340            mEndCallKeyHandled = true;
1341            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1342                performAuditoryFeedbackForAccessibilityIfNeed();
1343            }
1344            showGlobalActionsInternal();
1345        }
1346    };
1347
1348    private class ScreenshotRunnable implements Runnable {
1349        private int mScreenshotType = TAKE_SCREENSHOT_FULLSCREEN;
1350
1351        public void setScreenshotType(int screenshotType) {
1352            mScreenshotType = screenshotType;
1353        }
1354
1355        @Override
1356        public void run() {
1357            takeScreenshot(mScreenshotType);
1358        }
1359    }
1360
1361    private final ScreenshotRunnable mScreenshotRunnable = new ScreenshotRunnable();
1362
1363    @Override
1364    public void showGlobalActions() {
1365        mHandler.removeMessages(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1366        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1367    }
1368
1369    void showGlobalActionsInternal() {
1370        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1371        if (mGlobalActions == null) {
1372            mGlobalActions = new GlobalActions(mContext, mWindowManagerFuncs);
1373        }
1374        final boolean keyguardShowing = isKeyguardShowingAndNotOccluded();
1375        mGlobalActions.showDialog(keyguardShowing, isDeviceProvisioned());
1376        if (keyguardShowing) {
1377            // since it took two seconds of long press to bring this up,
1378            // poke the wake lock so they have some time to see the dialog.
1379            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
1380        }
1381    }
1382
1383    boolean isDeviceProvisioned() {
1384        return Settings.Global.getInt(
1385                mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0;
1386    }
1387
1388    boolean isUserSetupComplete() {
1389        return Settings.Secure.getIntForUser(mContext.getContentResolver(),
1390                Settings.Secure.USER_SETUP_COMPLETE, 0, UserHandle.USER_CURRENT) != 0;
1391    }
1392
1393    private void handleShortPressOnHome() {
1394        // Turn on the connected TV and switch HDMI input if we're a HDMI playback device.
1395        getHdmiControl().turnOnTv();
1396
1397        // If there's a dream running then use home to escape the dream
1398        // but don't actually go home.
1399        if (mDreamManagerInternal != null && mDreamManagerInternal.isDreaming()) {
1400            mDreamManagerInternal.stopDream(false /*immediate*/);
1401            return;
1402        }
1403
1404        // Go home!
1405        launchHomeFromHotKey();
1406    }
1407
1408    /**
1409     * Creates an accessor to HDMI control service that performs the operation of
1410     * turning on TV (optional) and switching input to us. If HDMI control service
1411     * is not available or we're not a HDMI playback device, the operation is no-op.
1412     */
1413    private HdmiControl getHdmiControl() {
1414        if (null == mHdmiControl) {
1415            HdmiControlManager manager = (HdmiControlManager) mContext.getSystemService(
1416                        Context.HDMI_CONTROL_SERVICE);
1417            HdmiPlaybackClient client = null;
1418            if (manager != null) {
1419                client = manager.getPlaybackClient();
1420            }
1421            mHdmiControl = new HdmiControl(client);
1422        }
1423        return mHdmiControl;
1424    }
1425
1426    private static class HdmiControl {
1427        private final HdmiPlaybackClient mClient;
1428
1429        private HdmiControl(HdmiPlaybackClient client) {
1430            mClient = client;
1431        }
1432
1433        public void turnOnTv() {
1434            if (mClient == null) {
1435                return;
1436            }
1437            mClient.oneTouchPlay(new OneTouchPlayCallback() {
1438                @Override
1439                public void onComplete(int result) {
1440                    if (result != HdmiControlManager.RESULT_SUCCESS) {
1441                        Log.w(TAG, "One touch play failed: " + result);
1442                    }
1443                }
1444            });
1445        }
1446    }
1447
1448    private void handleLongPressOnHome(int deviceId) {
1449        if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_NOTHING) {
1450            return;
1451        }
1452        mHomeConsumed = true;
1453        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1454
1455        switch (mLongPressOnHomeBehavior) {
1456            case LONG_PRESS_HOME_RECENT_SYSTEM_UI:
1457                toggleRecentApps();
1458                break;
1459            case LONG_PRESS_HOME_ASSIST:
1460                launchAssistAction(null, deviceId);
1461                break;
1462            default:
1463                Log.w(TAG, "Undefined home long press behavior: " + mLongPressOnHomeBehavior);
1464                break;
1465        }
1466    }
1467
1468    private void handleDoubleTapOnHome() {
1469        if (mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1470            mHomeConsumed = true;
1471            toggleRecentApps();
1472        }
1473    }
1474
1475    private void showTvPictureInPictureMenu(KeyEvent event) {
1476        if (DEBUG_INPUT) Log.d(TAG, "showTvPictureInPictureMenu event=" + event);
1477        mHandler.removeMessages(MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU);
1478        Message msg = mHandler.obtainMessage(MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU);
1479        msg.setAsynchronous(true);
1480        msg.sendToTarget();
1481    }
1482
1483    private void showTvPictureInPictureMenuInternal() {
1484        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
1485        if (statusbar != null) {
1486            statusbar.showTvPictureInPictureMenu();
1487        }
1488    }
1489
1490    private final Runnable mHomeDoubleTapTimeoutRunnable = new Runnable() {
1491        @Override
1492        public void run() {
1493            if (mHomeDoubleTapPending) {
1494                mHomeDoubleTapPending = false;
1495                handleShortPressOnHome();
1496            }
1497        }
1498    };
1499
1500    private boolean isRoundWindow() {
1501        return mContext.getResources().getConfiguration().isScreenRound();
1502    }
1503
1504    /** {@inheritDoc} */
1505    @Override
1506    public void init(Context context, IWindowManager windowManager,
1507            WindowManagerFuncs windowManagerFuncs) {
1508        mContext = context;
1509        mWindowManager = windowManager;
1510        mWindowManagerFuncs = windowManagerFuncs;
1511        mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class);
1512        mActivityManagerInternal = LocalServices.getService(ActivityManagerInternal.class);
1513        mInputManagerInternal = LocalServices.getService(InputManagerInternal.class);
1514        mDreamManagerInternal = LocalServices.getService(DreamManagerInternal.class);
1515        mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class);
1516        mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
1517        mHasFeatureWatch = mContext.getPackageManager().hasSystemFeature(FEATURE_WATCH);
1518
1519        // Init display burn-in protection
1520        boolean burnInProtectionEnabled = context.getResources().getBoolean(
1521                com.android.internal.R.bool.config_enableBurnInProtection);
1522        // Allow a system property to override this. Used by developer settings.
1523        boolean burnInProtectionDevMode =
1524                SystemProperties.getBoolean("persist.debug.force_burn_in", false);
1525        if (burnInProtectionEnabled || burnInProtectionDevMode) {
1526            final int minHorizontal;
1527            final int maxHorizontal;
1528            final int minVertical;
1529            final int maxVertical;
1530            final int maxRadius;
1531            if (burnInProtectionDevMode) {
1532                minHorizontal = -8;
1533                maxHorizontal = 8;
1534                minVertical = -8;
1535                maxVertical = -4;
1536                maxRadius = (isRoundWindow()) ? 6 : -1;
1537            } else {
1538                Resources resources = context.getResources();
1539                minHorizontal = resources.getInteger(
1540                        com.android.internal.R.integer.config_burnInProtectionMinHorizontalOffset);
1541                maxHorizontal = resources.getInteger(
1542                        com.android.internal.R.integer.config_burnInProtectionMaxHorizontalOffset);
1543                minVertical = resources.getInteger(
1544                        com.android.internal.R.integer.config_burnInProtectionMinVerticalOffset);
1545                maxVertical = resources.getInteger(
1546                        com.android.internal.R.integer.config_burnInProtectionMaxVerticalOffset);
1547                maxRadius = resources.getInteger(
1548                        com.android.internal.R.integer.config_burnInProtectionMaxRadius);
1549            }
1550            mBurnInProtectionHelper = new BurnInProtectionHelper(
1551                    context, minHorizontal, maxHorizontal, minVertical, maxVertical, maxRadius);
1552        }
1553
1554        mHandler = new PolicyHandler();
1555        mWakeGestureListener = new MyWakeGestureListener(mContext, mHandler);
1556        mOrientationListener = new MyOrientationListener(mContext, mHandler);
1557        try {
1558            mOrientationListener.setCurrentRotation(windowManager.getRotation());
1559        } catch (RemoteException ex) { }
1560        mSettingsObserver = new SettingsObserver(mHandler);
1561        mSettingsObserver.observe();
1562        mShortcutManager = new ShortcutManager(context);
1563        mUiMode = context.getResources().getInteger(
1564                com.android.internal.R.integer.config_defaultUiModeType);
1565        mHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
1566        mHomeIntent.addCategory(Intent.CATEGORY_HOME);
1567        mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1568                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1569        mEnableCarDockHomeCapture = context.getResources().getBoolean(
1570                com.android.internal.R.bool.config_enableCarDockHomeLaunch);
1571        mCarDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1572        mCarDockIntent.addCategory(Intent.CATEGORY_CAR_DOCK);
1573        mCarDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1574                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1575        mDeskDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1576        mDeskDockIntent.addCategory(Intent.CATEGORY_DESK_DOCK);
1577        mDeskDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1578                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1579
1580        mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
1581        mBroadcastWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1582                "PhoneWindowManager.mBroadcastWakeLock");
1583        mPowerKeyWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1584                "PhoneWindowManager.mPowerKeyWakeLock");
1585        mEnableShiftMenuBugReports = "1".equals(SystemProperties.get("ro.debuggable"));
1586        mSupportAutoRotation = mContext.getResources().getBoolean(
1587                com.android.internal.R.bool.config_supportAutoRotation);
1588        mLidOpenRotation = readRotation(
1589                com.android.internal.R.integer.config_lidOpenRotation);
1590        mCarDockRotation = readRotation(
1591                com.android.internal.R.integer.config_carDockRotation);
1592        mDeskDockRotation = readRotation(
1593                com.android.internal.R.integer.config_deskDockRotation);
1594        mUndockedHdmiRotation = readRotation(
1595                com.android.internal.R.integer.config_undockedHdmiRotation);
1596        mCarDockEnablesAccelerometer = mContext.getResources().getBoolean(
1597                com.android.internal.R.bool.config_carDockEnablesAccelerometer);
1598        mDeskDockEnablesAccelerometer = mContext.getResources().getBoolean(
1599                com.android.internal.R.bool.config_deskDockEnablesAccelerometer);
1600        mLidKeyboardAccessibility = mContext.getResources().getInteger(
1601                com.android.internal.R.integer.config_lidKeyboardAccessibility);
1602        mLidNavigationAccessibility = mContext.getResources().getInteger(
1603                com.android.internal.R.integer.config_lidNavigationAccessibility);
1604        mLidControlsScreenLock = mContext.getResources().getBoolean(
1605                com.android.internal.R.bool.config_lidControlsScreenLock);
1606        mLidControlsSleep = mContext.getResources().getBoolean(
1607                com.android.internal.R.bool.config_lidControlsSleep);
1608        mTranslucentDecorEnabled = mContext.getResources().getBoolean(
1609                com.android.internal.R.bool.config_enableTranslucentDecor);
1610
1611        mAllowTheaterModeWakeFromKey = mContext.getResources().getBoolean(
1612                com.android.internal.R.bool.config_allowTheaterModeWakeFromKey);
1613        mAllowTheaterModeWakeFromPowerKey = mAllowTheaterModeWakeFromKey
1614                || mContext.getResources().getBoolean(
1615                    com.android.internal.R.bool.config_allowTheaterModeWakeFromPowerKey);
1616        mAllowTheaterModeWakeFromMotion = mContext.getResources().getBoolean(
1617                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotion);
1618        mAllowTheaterModeWakeFromMotionWhenNotDreaming = mContext.getResources().getBoolean(
1619                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotionWhenNotDreaming);
1620        mAllowTheaterModeWakeFromCameraLens = mContext.getResources().getBoolean(
1621                com.android.internal.R.bool.config_allowTheaterModeWakeFromCameraLens);
1622        mAllowTheaterModeWakeFromLidSwitch = mContext.getResources().getBoolean(
1623                com.android.internal.R.bool.config_allowTheaterModeWakeFromLidSwitch);
1624        mAllowTheaterModeWakeFromWakeGesture = mContext.getResources().getBoolean(
1625                com.android.internal.R.bool.config_allowTheaterModeWakeFromGesture);
1626
1627        mGoToSleepOnButtonPressTheaterMode = mContext.getResources().getBoolean(
1628                com.android.internal.R.bool.config_goToSleepOnButtonPressTheaterMode);
1629
1630        mSupportLongPressPowerWhenNonInteractive = mContext.getResources().getBoolean(
1631                com.android.internal.R.bool.config_supportLongPressPowerWhenNonInteractive);
1632
1633        mLongPressOnBackBehavior = mContext.getResources().getInteger(
1634                com.android.internal.R.integer.config_longPressOnBackBehavior);
1635
1636        mShortPressOnPowerBehavior = mContext.getResources().getInteger(
1637                com.android.internal.R.integer.config_shortPressOnPowerBehavior);
1638        mLongPressOnPowerBehavior = mContext.getResources().getInteger(
1639                com.android.internal.R.integer.config_longPressOnPowerBehavior);
1640        mDoublePressOnPowerBehavior = mContext.getResources().getInteger(
1641                com.android.internal.R.integer.config_doublePressOnPowerBehavior);
1642        mTriplePressOnPowerBehavior = mContext.getResources().getInteger(
1643                com.android.internal.R.integer.config_triplePressOnPowerBehavior);
1644        mShortPressOnSleepBehavior = mContext.getResources().getInteger(
1645                com.android.internal.R.integer.config_shortPressOnSleepBehavior);
1646
1647        mUseTvRouting = AudioSystem.getPlatformType(mContext) == AudioSystem.PLATFORM_TELEVISION;
1648
1649        readConfigurationDependentBehaviors();
1650
1651        mAccessibilityManager = (AccessibilityManager) context.getSystemService(
1652                Context.ACCESSIBILITY_SERVICE);
1653
1654        // register for dock events
1655        IntentFilter filter = new IntentFilter();
1656        filter.addAction(UiModeManager.ACTION_ENTER_CAR_MODE);
1657        filter.addAction(UiModeManager.ACTION_EXIT_CAR_MODE);
1658        filter.addAction(UiModeManager.ACTION_ENTER_DESK_MODE);
1659        filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
1660        filter.addAction(Intent.ACTION_DOCK_EVENT);
1661        Intent intent = context.registerReceiver(mDockReceiver, filter);
1662        if (intent != null) {
1663            // Retrieve current sticky dock event broadcast.
1664            mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
1665                    Intent.EXTRA_DOCK_STATE_UNDOCKED);
1666        }
1667
1668        // register for dream-related broadcasts
1669        filter = new IntentFilter();
1670        filter.addAction(Intent.ACTION_DREAMING_STARTED);
1671        filter.addAction(Intent.ACTION_DREAMING_STOPPED);
1672        context.registerReceiver(mDreamReceiver, filter);
1673
1674        // register for multiuser-relevant broadcasts
1675        filter = new IntentFilter(Intent.ACTION_USER_SWITCHED);
1676        context.registerReceiver(mMultiuserReceiver, filter);
1677
1678        // monitor for system gestures
1679        mSystemGestures = new SystemGesturesPointerEventListener(context,
1680                new SystemGesturesPointerEventListener.Callbacks() {
1681                    @Override
1682                    public void onSwipeFromTop() {
1683                        if (mStatusBar != null) {
1684                            requestTransientBars(mStatusBar);
1685                        }
1686                    }
1687                    @Override
1688                    public void onSwipeFromBottom() {
1689                        if (mNavigationBar != null && mNavigationBarPosition == NAV_BAR_BOTTOM) {
1690                            requestTransientBars(mNavigationBar);
1691                        }
1692                    }
1693                    @Override
1694                    public void onSwipeFromRight() {
1695                        if (mNavigationBar != null && mNavigationBarPosition == NAV_BAR_RIGHT) {
1696                            requestTransientBars(mNavigationBar);
1697                        }
1698                    }
1699                    @Override
1700                    public void onSwipeFromLeft() {
1701                        if (mNavigationBar != null && mNavigationBarPosition == NAV_BAR_LEFT) {
1702                            requestTransientBars(mNavigationBar);
1703                        }
1704                    }
1705                    @Override
1706                    public void onFling(int duration) {
1707                        if (mPowerManagerInternal != null) {
1708                            mPowerManagerInternal.powerHint(
1709                                    PowerManagerInternal.POWER_HINT_INTERACTION, duration);
1710                        }
1711                    }
1712                    @Override
1713                    public void onDebug() {
1714                        // no-op
1715                    }
1716                    @Override
1717                    public void onDown() {
1718                        mOrientationListener.onTouchStart();
1719                    }
1720                    @Override
1721                    public void onUpOrCancel() {
1722                        mOrientationListener.onTouchEnd();
1723                    }
1724                    @Override
1725                    public void onMouseHoverAtTop() {
1726                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1727                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
1728                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS;
1729                        mHandler.sendMessageDelayed(msg, 500);
1730                    }
1731                    @Override
1732                    public void onMouseHoverAtBottom() {
1733                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1734                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
1735                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION;
1736                        mHandler.sendMessageDelayed(msg, 500);
1737                    }
1738                    @Override
1739                    public void onMouseLeaveFromEdge() {
1740                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1741                    }
1742                });
1743        mImmersiveModeConfirmation = new ImmersiveModeConfirmation(mContext);
1744        mWindowManagerFuncs.registerPointerEventListener(mSystemGestures);
1745
1746        mVibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE);
1747        mLongPressVibePattern = getLongIntArray(mContext.getResources(),
1748                com.android.internal.R.array.config_longPressVibePattern);
1749        mVirtualKeyVibePattern = getLongIntArray(mContext.getResources(),
1750                com.android.internal.R.array.config_virtualKeyVibePattern);
1751        mKeyboardTapVibePattern = getLongIntArray(mContext.getResources(),
1752                com.android.internal.R.array.config_keyboardTapVibePattern);
1753        mClockTickVibePattern = getLongIntArray(mContext.getResources(),
1754                com.android.internal.R.array.config_clockTickVibePattern);
1755        mCalendarDateVibePattern = getLongIntArray(mContext.getResources(),
1756                com.android.internal.R.array.config_calendarDateVibePattern);
1757        mSafeModeDisabledVibePattern = getLongIntArray(mContext.getResources(),
1758                com.android.internal.R.array.config_safeModeDisabledVibePattern);
1759        mSafeModeEnabledVibePattern = getLongIntArray(mContext.getResources(),
1760                com.android.internal.R.array.config_safeModeEnabledVibePattern);
1761        mContextClickVibePattern = getLongIntArray(mContext.getResources(),
1762                com.android.internal.R.array.config_contextClickVibePattern);
1763
1764        mScreenshotChordEnabled = mContext.getResources().getBoolean(
1765                com.android.internal.R.bool.config_enableScreenshotChord);
1766
1767        mGlobalKeyManager = new GlobalKeyManager(mContext);
1768
1769        // Controls rotation and the like.
1770        initializeHdmiState();
1771
1772        // Match current screen state.
1773        if (!mPowerManager.isInteractive()) {
1774            startedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1775            finishedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1776        }
1777
1778        mWindowManagerInternal.registerAppTransitionListener(
1779                mStatusBarController.getAppTransitionListener());
1780    }
1781
1782    /**
1783     * Read values from config.xml that may be overridden depending on
1784     * the configuration of the device.
1785     * eg. Disable long press on home goes to recents on sw600dp.
1786     */
1787    private void readConfigurationDependentBehaviors() {
1788        final Resources res = mContext.getResources();
1789
1790        mLongPressOnHomeBehavior = res.getInteger(
1791                com.android.internal.R.integer.config_longPressOnHomeBehavior);
1792        if (mLongPressOnHomeBehavior < LONG_PRESS_HOME_NOTHING ||
1793                mLongPressOnHomeBehavior > LAST_LONG_PRESS_HOME_BEHAVIOR) {
1794            mLongPressOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1795        }
1796
1797        mDoubleTapOnHomeBehavior = res.getInteger(
1798                com.android.internal.R.integer.config_doubleTapOnHomeBehavior);
1799        if (mDoubleTapOnHomeBehavior < DOUBLE_TAP_HOME_NOTHING ||
1800                mDoubleTapOnHomeBehavior > DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1801            mDoubleTapOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1802        }
1803
1804        mShortPressWindowBehavior = SHORT_PRESS_WINDOW_NOTHING;
1805        if (mContext.getPackageManager().hasSystemFeature(FEATURE_PICTURE_IN_PICTURE)) {
1806            mShortPressWindowBehavior = SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE;
1807        }
1808
1809        mNavBarOpacityMode = res.getInteger(
1810                com.android.internal.R.integer.config_navBarOpacityMode);
1811    }
1812
1813    @Override
1814    public void setInitialDisplaySize(Display display, int width, int height, int density) {
1815        // This method might be called before the policy has been fully initialized
1816        // or for other displays we don't care about.
1817        if (mContext == null || display.getDisplayId() != Display.DEFAULT_DISPLAY) {
1818            return;
1819        }
1820        mDisplay = display;
1821
1822        final Resources res = mContext.getResources();
1823        int shortSize, longSize;
1824        if (width > height) {
1825            shortSize = height;
1826            longSize = width;
1827            mLandscapeRotation = Surface.ROTATION_0;
1828            mSeascapeRotation = Surface.ROTATION_180;
1829            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1830                mPortraitRotation = Surface.ROTATION_90;
1831                mUpsideDownRotation = Surface.ROTATION_270;
1832            } else {
1833                mPortraitRotation = Surface.ROTATION_270;
1834                mUpsideDownRotation = Surface.ROTATION_90;
1835            }
1836        } else {
1837            shortSize = width;
1838            longSize = height;
1839            mPortraitRotation = Surface.ROTATION_0;
1840            mUpsideDownRotation = Surface.ROTATION_180;
1841            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1842                mLandscapeRotation = Surface.ROTATION_270;
1843                mSeascapeRotation = Surface.ROTATION_90;
1844            } else {
1845                mLandscapeRotation = Surface.ROTATION_90;
1846                mSeascapeRotation = Surface.ROTATION_270;
1847            }
1848        }
1849
1850        // SystemUI (status bar) layout policy
1851        int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT / density;
1852        int longSizeDp = longSize * DisplayMetrics.DENSITY_DEFAULT / density;
1853
1854        // Allow the navigation bar to move on non-square small devices (phones).
1855        mNavigationBarCanMove = width != height && shortSizeDp < 600;
1856
1857        mHasNavigationBar = res.getBoolean(com.android.internal.R.bool.config_showNavigationBar);
1858
1859        // Allow a system property to override this. Used by the emulator.
1860        // See also hasNavigationBar().
1861        String navBarOverride = SystemProperties.get("qemu.hw.mainkeys");
1862        if ("1".equals(navBarOverride)) {
1863            mHasNavigationBar = false;
1864        } else if ("0".equals(navBarOverride)) {
1865            mHasNavigationBar = true;
1866        }
1867
1868        // For demo purposes, allow the rotation of the HDMI display to be controlled.
1869        // By default, HDMI locks rotation to landscape.
1870        if ("portrait".equals(SystemProperties.get("persist.demo.hdmirotation"))) {
1871            mDemoHdmiRotation = mPortraitRotation;
1872        } else {
1873            mDemoHdmiRotation = mLandscapeRotation;
1874        }
1875        mDemoHdmiRotationLock = SystemProperties.getBoolean("persist.demo.hdmirotationlock", false);
1876
1877        // For demo purposes, allow the rotation of the remote display to be controlled.
1878        // By default, remote display locks rotation to landscape.
1879        if ("portrait".equals(SystemProperties.get("persist.demo.remoterotation"))) {
1880            mDemoRotation = mPortraitRotation;
1881        } else {
1882            mDemoRotation = mLandscapeRotation;
1883        }
1884        mDemoRotationLock = SystemProperties.getBoolean(
1885                "persist.demo.rotationlock", false);
1886
1887        // Only force the default orientation if the screen is xlarge, at least 960dp x 720dp, per
1888        // http://developer.android.com/guide/practices/screens_support.html#range
1889        mForceDefaultOrientation = longSizeDp >= 960 && shortSizeDp >= 720 &&
1890                res.getBoolean(com.android.internal.R.bool.config_forceDefaultOrientation) &&
1891                // For debug purposes the next line turns this feature off with:
1892                // $ adb shell setprop config.override_forced_orient true
1893                // $ adb shell wm size reset
1894                !"true".equals(SystemProperties.get("config.override_forced_orient"));
1895    }
1896
1897    /**
1898     * @return whether the navigation bar can be hidden, e.g. the device has a
1899     *         navigation bar and touch exploration is not enabled
1900     */
1901    private boolean canHideNavigationBar() {
1902        return mHasNavigationBar;
1903    }
1904
1905    @Override
1906    public boolean isDefaultOrientationForced() {
1907        return mForceDefaultOrientation;
1908    }
1909
1910    @Override
1911    public void setDisplayOverscan(Display display, int left, int top, int right, int bottom) {
1912        if (display.getDisplayId() == Display.DEFAULT_DISPLAY) {
1913            mOverscanLeft = left;
1914            mOverscanTop = top;
1915            mOverscanRight = right;
1916            mOverscanBottom = bottom;
1917        }
1918    }
1919
1920    public void updateSettings() {
1921        ContentResolver resolver = mContext.getContentResolver();
1922        boolean updateRotation = false;
1923        synchronized (mLock) {
1924            mEndcallBehavior = Settings.System.getIntForUser(resolver,
1925                    Settings.System.END_BUTTON_BEHAVIOR,
1926                    Settings.System.END_BUTTON_BEHAVIOR_DEFAULT,
1927                    UserHandle.USER_CURRENT);
1928            mIncallPowerBehavior = Settings.Secure.getIntForUser(resolver,
1929                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
1930                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT,
1931                    UserHandle.USER_CURRENT);
1932
1933            // Configure wake gesture.
1934            boolean wakeGestureEnabledSetting = Settings.Secure.getIntForUser(resolver,
1935                    Settings.Secure.WAKE_GESTURE_ENABLED, 0,
1936                    UserHandle.USER_CURRENT) != 0;
1937            if (mWakeGestureEnabledSetting != wakeGestureEnabledSetting) {
1938                mWakeGestureEnabledSetting = wakeGestureEnabledSetting;
1939                updateWakeGestureListenerLp();
1940            }
1941
1942            // Configure rotation lock.
1943            int userRotation = Settings.System.getIntForUser(resolver,
1944                    Settings.System.USER_ROTATION, Surface.ROTATION_0,
1945                    UserHandle.USER_CURRENT);
1946            if (mUserRotation != userRotation) {
1947                mUserRotation = userRotation;
1948                updateRotation = true;
1949            }
1950            int userRotationMode = Settings.System.getIntForUser(resolver,
1951                    Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
1952                            WindowManagerPolicy.USER_ROTATION_FREE :
1953                                    WindowManagerPolicy.USER_ROTATION_LOCKED;
1954            if (mUserRotationMode != userRotationMode) {
1955                mUserRotationMode = userRotationMode;
1956                updateRotation = true;
1957                updateOrientationListenerLp();
1958            }
1959
1960            if (mSystemReady) {
1961                int pointerLocation = Settings.System.getIntForUser(resolver,
1962                        Settings.System.POINTER_LOCATION, 0, UserHandle.USER_CURRENT);
1963                if (mPointerLocationMode != pointerLocation) {
1964                    mPointerLocationMode = pointerLocation;
1965                    mHandler.sendEmptyMessage(pointerLocation != 0 ?
1966                            MSG_ENABLE_POINTER_LOCATION : MSG_DISABLE_POINTER_LOCATION);
1967                }
1968            }
1969            // use screen off timeout setting as the timeout for the lockscreen
1970            mLockScreenTimeout = Settings.System.getIntForUser(resolver,
1971                    Settings.System.SCREEN_OFF_TIMEOUT, 0, UserHandle.USER_CURRENT);
1972            String imId = Settings.Secure.getStringForUser(resolver,
1973                    Settings.Secure.DEFAULT_INPUT_METHOD, UserHandle.USER_CURRENT);
1974            boolean hasSoftInput = imId != null && imId.length() > 0;
1975            if (mHasSoftInput != hasSoftInput) {
1976                mHasSoftInput = hasSoftInput;
1977                updateRotation = true;
1978            }
1979            if (mImmersiveModeConfirmation != null) {
1980                mImmersiveModeConfirmation.loadSetting(mCurrentUserId);
1981            }
1982        }
1983        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
1984            PolicyControl.reloadFromSetting(mContext);
1985        }
1986        if (updateRotation) {
1987            updateRotation(true);
1988        }
1989    }
1990
1991    private void updateWakeGestureListenerLp() {
1992        if (shouldEnableWakeGestureLp()) {
1993            mWakeGestureListener.requestWakeUpTrigger();
1994        } else {
1995            mWakeGestureListener.cancelWakeUpTrigger();
1996        }
1997    }
1998
1999    private boolean shouldEnableWakeGestureLp() {
2000        return mWakeGestureEnabledSetting && !mAwake
2001                && (!mLidControlsSleep || mLidState != LID_CLOSED)
2002                && mWakeGestureListener.isSupported();
2003    }
2004
2005    private void enablePointerLocation() {
2006        if (mPointerLocationView == null) {
2007            mPointerLocationView = new PointerLocationView(mContext);
2008            mPointerLocationView.setPrintCoords(false);
2009            WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
2010                    WindowManager.LayoutParams.MATCH_PARENT,
2011                    WindowManager.LayoutParams.MATCH_PARENT);
2012            lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
2013            lp.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN
2014                    | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
2015                    | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
2016                    | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
2017            if (ActivityManager.isHighEndGfx()) {
2018                lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
2019                lp.privateFlags |=
2020                        WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED;
2021            }
2022            lp.format = PixelFormat.TRANSLUCENT;
2023            lp.setTitle("PointerLocation");
2024            WindowManager wm = (WindowManager)
2025                    mContext.getSystemService(Context.WINDOW_SERVICE);
2026            lp.inputFeatures |= WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL;
2027            wm.addView(mPointerLocationView, lp);
2028            mWindowManagerFuncs.registerPointerEventListener(mPointerLocationView);
2029        }
2030    }
2031
2032    private void disablePointerLocation() {
2033        if (mPointerLocationView != null) {
2034            mWindowManagerFuncs.unregisterPointerEventListener(mPointerLocationView);
2035            WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
2036            wm.removeView(mPointerLocationView);
2037            mPointerLocationView = null;
2038        }
2039    }
2040
2041    private int readRotation(int resID) {
2042        try {
2043            int rotation = mContext.getResources().getInteger(resID);
2044            switch (rotation) {
2045                case 0:
2046                    return Surface.ROTATION_0;
2047                case 90:
2048                    return Surface.ROTATION_90;
2049                case 180:
2050                    return Surface.ROTATION_180;
2051                case 270:
2052                    return Surface.ROTATION_270;
2053            }
2054        } catch (Resources.NotFoundException e) {
2055            // fall through
2056        }
2057        return -1;
2058    }
2059
2060    /** {@inheritDoc} */
2061    @Override
2062    public int checkAddPermission(WindowManager.LayoutParams attrs, int[] outAppOp) {
2063        int type = attrs.type;
2064
2065        outAppOp[0] = AppOpsManager.OP_NONE;
2066
2067        if (!((type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW)
2068                || (type >= FIRST_SUB_WINDOW && type <= LAST_SUB_WINDOW)
2069                || (type >= FIRST_SYSTEM_WINDOW && type <= LAST_SYSTEM_WINDOW))) {
2070            return WindowManagerGlobal.ADD_INVALID_TYPE;
2071        }
2072
2073        if (type < FIRST_SYSTEM_WINDOW || type > LAST_SYSTEM_WINDOW) {
2074            // Window manager will make sure these are okay.
2075            return WindowManagerGlobal.ADD_OKAY;
2076        }
2077        String permission = null;
2078        switch (type) {
2079            case TYPE_TOAST:
2080                // XXX right now the app process has complete control over
2081                // this...  should introduce a token to let the system
2082                // monitor/control what they are doing.
2083                outAppOp[0] = AppOpsManager.OP_TOAST_WINDOW;
2084                break;
2085            case TYPE_DREAM:
2086            case TYPE_INPUT_METHOD:
2087            case TYPE_WALLPAPER:
2088            case TYPE_PRIVATE_PRESENTATION:
2089            case TYPE_VOICE_INTERACTION:
2090            case TYPE_ACCESSIBILITY_OVERLAY:
2091            case TYPE_QS_DIALOG:
2092                // The window manager will check these.
2093                break;
2094            case TYPE_PHONE:
2095            case TYPE_PRIORITY_PHONE:
2096            case TYPE_SYSTEM_ALERT:
2097            case TYPE_SYSTEM_ERROR:
2098            case TYPE_SYSTEM_OVERLAY:
2099                permission = android.Manifest.permission.SYSTEM_ALERT_WINDOW;
2100                outAppOp[0] = AppOpsManager.OP_SYSTEM_ALERT_WINDOW;
2101                break;
2102            default:
2103                permission = android.Manifest.permission.INTERNAL_SYSTEM_WINDOW;
2104        }
2105        if (permission != null) {
2106            if (android.Manifest.permission.SYSTEM_ALERT_WINDOW.equals(permission)) {
2107                final int callingUid = Binder.getCallingUid();
2108                // system processes will be automatically allowed privilege to draw
2109                if (callingUid == Process.SYSTEM_UID) {
2110                    return WindowManagerGlobal.ADD_OKAY;
2111                }
2112
2113                // check if user has enabled this operation. SecurityException will be thrown if
2114                // this app has not been allowed by the user
2115                final int mode = mAppOpsManager.checkOpNoThrow(outAppOp[0], callingUid,
2116                        attrs.packageName);
2117                switch (mode) {
2118                    case AppOpsManager.MODE_ALLOWED:
2119                    case AppOpsManager.MODE_IGNORED:
2120                        // although we return ADD_OKAY for MODE_IGNORED, the added window will
2121                        // actually be hidden in WindowManagerService
2122                        return WindowManagerGlobal.ADD_OKAY;
2123                    case AppOpsManager.MODE_ERRORED:
2124                        try {
2125                            ApplicationInfo appInfo = mContext.getPackageManager()
2126                                    .getApplicationInfo(attrs.packageName,
2127                                            UserHandle.getUserId(callingUid));
2128                            // Don't crash legacy apps
2129                            if (appInfo.targetSdkVersion < Build.VERSION_CODES.M) {
2130                                return WindowManagerGlobal.ADD_OKAY;
2131                            }
2132                        } catch (PackageManager.NameNotFoundException e) {
2133                            /* ignore */
2134                        }
2135                        return WindowManagerGlobal.ADD_PERMISSION_DENIED;
2136                    default:
2137                        // in the default mode, we will make a decision here based on
2138                        // checkCallingPermission()
2139                        if (mContext.checkCallingPermission(permission) !=
2140                                PackageManager.PERMISSION_GRANTED) {
2141                            return WindowManagerGlobal.ADD_PERMISSION_DENIED;
2142                        } else {
2143                            return WindowManagerGlobal.ADD_OKAY;
2144                        }
2145                }
2146            }
2147
2148            if (mContext.checkCallingOrSelfPermission(permission)
2149                    != PackageManager.PERMISSION_GRANTED) {
2150                return WindowManagerGlobal.ADD_PERMISSION_DENIED;
2151            }
2152        }
2153        return WindowManagerGlobal.ADD_OKAY;
2154    }
2155
2156    @Override
2157    public boolean checkShowToOwnerOnly(WindowManager.LayoutParams attrs) {
2158
2159        // If this switch statement is modified, modify the comment in the declarations of
2160        // the type in {@link WindowManager.LayoutParams} as well.
2161        switch (attrs.type) {
2162            default:
2163                // These are the windows that by default are shown only to the user that created
2164                // them. If this needs to be overridden, set
2165                // {@link WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS} in
2166                // {@link WindowManager.LayoutParams}. Note that permission
2167                // {@link android.Manifest.permission.INTERNAL_SYSTEM_WINDOW} is required as well.
2168                if ((attrs.privateFlags & PRIVATE_FLAG_SHOW_FOR_ALL_USERS) == 0) {
2169                    return true;
2170                }
2171                break;
2172
2173            // These are the windows that by default are shown to all users. However, to
2174            // protect against spoofing, check permissions below.
2175            case TYPE_APPLICATION_STARTING:
2176            case TYPE_BOOT_PROGRESS:
2177            case TYPE_DISPLAY_OVERLAY:
2178            case TYPE_INPUT_CONSUMER:
2179            case TYPE_KEYGUARD_SCRIM:
2180            case TYPE_KEYGUARD_DIALOG:
2181            case TYPE_MAGNIFICATION_OVERLAY:
2182            case TYPE_NAVIGATION_BAR:
2183            case TYPE_NAVIGATION_BAR_PANEL:
2184            case TYPE_PHONE:
2185            case TYPE_POINTER:
2186            case TYPE_PRIORITY_PHONE:
2187            case TYPE_SEARCH_BAR:
2188            case TYPE_STATUS_BAR:
2189            case TYPE_STATUS_BAR_PANEL:
2190            case TYPE_STATUS_BAR_SUB_PANEL:
2191            case TYPE_SYSTEM_DIALOG:
2192            case TYPE_VOLUME_OVERLAY:
2193            case TYPE_PRIVATE_PRESENTATION:
2194            case TYPE_DOCK_DIVIDER:
2195                break;
2196        }
2197
2198        // Check if third party app has set window to system window type.
2199        return mContext.checkCallingOrSelfPermission(
2200                android.Manifest.permission.INTERNAL_SYSTEM_WINDOW)
2201                        != PackageManager.PERMISSION_GRANTED;
2202    }
2203
2204    @Override
2205    public void adjustWindowParamsLw(WindowManager.LayoutParams attrs) {
2206        switch (attrs.type) {
2207            case TYPE_SYSTEM_OVERLAY:
2208            case TYPE_SECURE_SYSTEM_OVERLAY:
2209                // These types of windows can't receive input events.
2210                attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
2211                        | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
2212                attrs.flags &= ~WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
2213                break;
2214            case TYPE_STATUS_BAR:
2215
2216                // If the Keyguard is in a hidden state (occluded by another window), we force to
2217                // remove the wallpaper and keyguard flag so that any change in-flight after setting
2218                // the keyguard as occluded wouldn't set these flags again.
2219                // See {@link #processKeyguardSetHiddenResultLw}.
2220                if (mKeyguardHidden) {
2221                    attrs.flags &= ~WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
2222                    attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2223                }
2224                break;
2225        }
2226
2227        if (attrs.type != TYPE_STATUS_BAR) {
2228            // The status bar is the only window allowed to exhibit keyguard behavior.
2229            attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2230        }
2231
2232        if (ActivityManager.isHighEndGfx()) {
2233            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0) {
2234                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
2235            }
2236            final boolean forceWindowDrawsStatusBarBackground =
2237                    (attrs.privateFlags & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND)
2238                            != 0;
2239            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0
2240                    || forceWindowDrawsStatusBarBackground
2241                            && attrs.height == MATCH_PARENT && attrs.width == MATCH_PARENT) {
2242                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
2243            }
2244        }
2245    }
2246
2247    void readLidState() {
2248        mLidState = mWindowManagerFuncs.getLidState();
2249    }
2250
2251    private void readCameraLensCoverState() {
2252        mCameraLensCoverState = mWindowManagerFuncs.getCameraLensCoverState();
2253    }
2254
2255    private boolean isHidden(int accessibilityMode) {
2256        switch (accessibilityMode) {
2257            case 1:
2258                return mLidState == LID_CLOSED;
2259            case 2:
2260                return mLidState == LID_OPEN;
2261            default:
2262                return false;
2263        }
2264    }
2265
2266    /** {@inheritDoc} */
2267    @Override
2268    public void adjustConfigurationLw(Configuration config, int keyboardPresence,
2269            int navigationPresence) {
2270        mHaveBuiltInKeyboard = (keyboardPresence & PRESENCE_INTERNAL) != 0;
2271
2272        readConfigurationDependentBehaviors();
2273        readLidState();
2274
2275        if (config.keyboard == Configuration.KEYBOARD_NOKEYS
2276                || (keyboardPresence == PRESENCE_INTERNAL
2277                        && isHidden(mLidKeyboardAccessibility))) {
2278            config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_YES;
2279            if (!mHasSoftInput) {
2280                config.keyboardHidden = Configuration.KEYBOARDHIDDEN_YES;
2281            }
2282        }
2283
2284        if (config.navigation == Configuration.NAVIGATION_NONAV
2285                || (navigationPresence == PRESENCE_INTERNAL
2286                        && isHidden(mLidNavigationAccessibility))) {
2287            config.navigationHidden = Configuration.NAVIGATIONHIDDEN_YES;
2288        }
2289    }
2290
2291    @Override
2292    public void onConfigurationChanged() {
2293        final Resources res = mContext.getResources();
2294
2295        mStatusBarHeight =
2296                res.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
2297
2298        // Height of the navigation bar when presented horizontally at bottom
2299        mNavigationBarHeightForRotationDefault[mPortraitRotation] =
2300        mNavigationBarHeightForRotationDefault[mUpsideDownRotation] =
2301                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_height);
2302        mNavigationBarHeightForRotationDefault[mLandscapeRotation] =
2303        mNavigationBarHeightForRotationDefault[mSeascapeRotation] = res.getDimensionPixelSize(
2304                com.android.internal.R.dimen.navigation_bar_height_landscape);
2305
2306        // Width of the navigation bar when presented vertically along one side
2307        mNavigationBarWidthForRotationDefault[mPortraitRotation] =
2308        mNavigationBarWidthForRotationDefault[mUpsideDownRotation] =
2309        mNavigationBarWidthForRotationDefault[mLandscapeRotation] =
2310        mNavigationBarWidthForRotationDefault[mSeascapeRotation] =
2311                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_width);
2312
2313        // Height of the navigation bar when presented horizontally at bottom
2314        mNavigationBarHeightForRotationInCarMode[mPortraitRotation] =
2315        mNavigationBarHeightForRotationInCarMode[mUpsideDownRotation] =
2316                res.getDimensionPixelSize(
2317                        com.android.internal.R.dimen.navigation_bar_height_car_mode);
2318        mNavigationBarHeightForRotationInCarMode[mLandscapeRotation] =
2319        mNavigationBarHeightForRotationInCarMode[mSeascapeRotation] = res.getDimensionPixelSize(
2320                com.android.internal.R.dimen.navigation_bar_height_landscape_car_mode);
2321
2322        // Width of the navigation bar when presented vertically along one side
2323        mNavigationBarWidthForRotationInCarMode[mPortraitRotation] =
2324        mNavigationBarWidthForRotationInCarMode[mUpsideDownRotation] =
2325        mNavigationBarWidthForRotationInCarMode[mLandscapeRotation] =
2326        mNavigationBarWidthForRotationInCarMode[mSeascapeRotation] =
2327                res.getDimensionPixelSize(
2328                        com.android.internal.R.dimen.navigation_bar_width_car_mode);
2329    }
2330
2331    /** {@inheritDoc} */
2332    @Override
2333    public int windowTypeToLayerLw(int type) {
2334        if (type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW) {
2335            return 2;
2336        }
2337        switch (type) {
2338        case TYPE_PRIVATE_PRESENTATION:
2339            return 2;
2340        case TYPE_WALLPAPER:
2341            // wallpaper is at the bottom, though the window manager may move it.
2342            return 2;
2343        case TYPE_DOCK_DIVIDER:
2344            return 2;
2345        case TYPE_QS_DIALOG:
2346            return 2;
2347        case TYPE_PHONE:
2348            return 3;
2349        case TYPE_SEARCH_BAR:
2350        case TYPE_VOICE_INTERACTION_STARTING:
2351            return 4;
2352        case TYPE_VOICE_INTERACTION:
2353            // voice interaction layer is almost immediately above apps.
2354            return 5;
2355        case TYPE_INPUT_CONSUMER:
2356            return 6;
2357        case TYPE_SYSTEM_DIALOG:
2358            return 7;
2359        case TYPE_TOAST:
2360            // toasts and the plugged-in battery thing
2361            return 8;
2362        case TYPE_PRIORITY_PHONE:
2363            // SIM errors and unlock.  Not sure if this really should be in a high layer.
2364            return 9;
2365        case TYPE_DREAM:
2366            // used for Dreams (screensavers with TYPE_DREAM windows)
2367            return 10;
2368        case TYPE_SYSTEM_ALERT:
2369            // like the ANR / app crashed dialogs
2370            return 11;
2371        case TYPE_INPUT_METHOD:
2372            // on-screen keyboards and other such input method user interfaces go here.
2373            return 12;
2374        case TYPE_INPUT_METHOD_DIALOG:
2375            // on-screen keyboards and other such input method user interfaces go here.
2376            return 13;
2377        case TYPE_KEYGUARD_SCRIM:
2378            // the safety window that shows behind keyguard while keyguard is starting
2379            return 14;
2380        case TYPE_STATUS_BAR_SUB_PANEL:
2381            return 15;
2382        case TYPE_STATUS_BAR:
2383            return 16;
2384        case TYPE_STATUS_BAR_PANEL:
2385            return 17;
2386        case TYPE_KEYGUARD_DIALOG:
2387            return 18;
2388        case TYPE_VOLUME_OVERLAY:
2389            // the on-screen volume indicator and controller shown when the user
2390            // changes the device volume
2391            return 19;
2392        case TYPE_SYSTEM_OVERLAY:
2393            // the on-screen volume indicator and controller shown when the user
2394            // changes the device volume
2395            return 20;
2396        case TYPE_NAVIGATION_BAR:
2397            // the navigation bar, if available, shows atop most things
2398            return 21;
2399        case TYPE_NAVIGATION_BAR_PANEL:
2400            // some panels (e.g. search) need to show on top of the navigation bar
2401            return 22;
2402        case TYPE_SCREENSHOT:
2403            // screenshot selection layer shouldn't go above system error, but it should cover
2404            // navigation bars at the very least.
2405            return 23;
2406        case TYPE_SYSTEM_ERROR:
2407            // system-level error dialogs
2408            return 24;
2409        case TYPE_MAGNIFICATION_OVERLAY:
2410            // used to highlight the magnified portion of a display
2411            return 25;
2412        case TYPE_DISPLAY_OVERLAY:
2413            // used to simulate secondary display devices
2414            return 26;
2415        case TYPE_DRAG:
2416            // the drag layer: input for drag-and-drop is associated with this window,
2417            // which sits above all other focusable windows
2418            return 27;
2419        case TYPE_ACCESSIBILITY_OVERLAY:
2420            // overlay put by accessibility services to intercept user interaction
2421            return 28;
2422        case TYPE_SECURE_SYSTEM_OVERLAY:
2423            return 29;
2424        case TYPE_BOOT_PROGRESS:
2425            return 30;
2426        case TYPE_POINTER:
2427            // the (mouse) pointer layer
2428            return 31;
2429        }
2430        Log.e(TAG, "Unknown window type: " + type);
2431        return 2;
2432    }
2433
2434    /** {@inheritDoc} */
2435    @Override
2436    public int subWindowTypeToLayerLw(int type) {
2437        switch (type) {
2438        case TYPE_APPLICATION_PANEL:
2439        case TYPE_APPLICATION_ATTACHED_DIALOG:
2440            return APPLICATION_PANEL_SUBLAYER;
2441        case TYPE_APPLICATION_MEDIA:
2442            return APPLICATION_MEDIA_SUBLAYER;
2443        case TYPE_APPLICATION_MEDIA_OVERLAY:
2444            return APPLICATION_MEDIA_OVERLAY_SUBLAYER;
2445        case TYPE_APPLICATION_SUB_PANEL:
2446            return APPLICATION_SUB_PANEL_SUBLAYER;
2447        case TYPE_APPLICATION_ABOVE_SUB_PANEL:
2448            return APPLICATION_ABOVE_SUB_PANEL_SUBLAYER;
2449        }
2450        Log.e(TAG, "Unknown sub-window type: " + type);
2451        return 0;
2452    }
2453
2454    @Override
2455    public int getMaxWallpaperLayer() {
2456        return windowTypeToLayerLw(TYPE_STATUS_BAR);
2457    }
2458
2459    private int getNavigationBarWidth(int rotation, int uiMode) {
2460        if ((uiMode & UI_MODE_TYPE_MASK) == UI_MODE_TYPE_CAR) {
2461            return mNavigationBarWidthForRotationInCarMode[rotation];
2462        } else {
2463            return mNavigationBarWidthForRotationDefault[rotation];
2464        }
2465    }
2466
2467    @Override
2468    public int getNonDecorDisplayWidth(int fullWidth, int fullHeight, int rotation,
2469            int uiMode) {
2470        if (mHasNavigationBar) {
2471            // For a basic navigation bar, when we are in landscape mode we place
2472            // the navigation bar to the side.
2473            if (mNavigationBarCanMove && fullWidth > fullHeight) {
2474                return fullWidth - getNavigationBarWidth(rotation, uiMode);
2475            }
2476        }
2477        return fullWidth;
2478    }
2479
2480    private int getNavigationBarHeight(int rotation, int uiMode) {
2481        if ((uiMode & UI_MODE_TYPE_MASK) == UI_MODE_TYPE_CAR) {
2482            return mNavigationBarHeightForRotationInCarMode[rotation];
2483        } else {
2484            return mNavigationBarHeightForRotationDefault[rotation];
2485        }
2486    }
2487
2488    @Override
2489    public int getNonDecorDisplayHeight(int fullWidth, int fullHeight, int rotation,
2490            int uiMode) {
2491        if (mHasNavigationBar) {
2492            // For a basic navigation bar, when we are in portrait mode we place
2493            // the navigation bar to the bottom.
2494            if (!mNavigationBarCanMove || fullWidth < fullHeight) {
2495                return fullHeight - getNavigationBarHeight(rotation, uiMode);
2496            }
2497        }
2498        return fullHeight;
2499    }
2500
2501    @Override
2502    public int getConfigDisplayWidth(int fullWidth, int fullHeight, int rotation, int uiMode) {
2503        return getNonDecorDisplayWidth(fullWidth, fullHeight, rotation, uiMode);
2504    }
2505
2506    @Override
2507    public int getConfigDisplayHeight(int fullWidth, int fullHeight, int rotation, int uiMode) {
2508        // There is a separate status bar at the top of the display.  We don't count that as part
2509        // of the fixed decor, since it can hide; however, for purposes of configurations,
2510        // we do want to exclude it since applications can't generally use that part
2511        // of the screen.
2512        return getNonDecorDisplayHeight(
2513                fullWidth, fullHeight, rotation, uiMode) - mStatusBarHeight;
2514    }
2515
2516    @Override
2517    public boolean isForceHiding(WindowManager.LayoutParams attrs) {
2518        return (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 ||
2519                (isKeyguardHostWindow(attrs) &&
2520                        (mKeyguardDelegate != null && mKeyguardDelegate.isShowing())) ||
2521                (attrs.type == TYPE_KEYGUARD_SCRIM);
2522    }
2523
2524    @Override
2525    public boolean isKeyguardHostWindow(WindowManager.LayoutParams attrs) {
2526        return attrs.type == TYPE_STATUS_BAR;
2527    }
2528
2529    @Override
2530    public boolean canBeForceHidden(WindowState win, WindowManager.LayoutParams attrs) {
2531        switch (attrs.type) {
2532            case TYPE_STATUS_BAR:
2533            case TYPE_NAVIGATION_BAR:
2534            case TYPE_WALLPAPER:
2535            case TYPE_DREAM:
2536            case TYPE_KEYGUARD_SCRIM:
2537                return false;
2538            default:
2539                // Hide only windows below the keyguard host window.
2540                return windowTypeToLayerLw(win.getBaseType())
2541                        < windowTypeToLayerLw(TYPE_STATUS_BAR);
2542        }
2543    }
2544
2545    @Override
2546    public WindowState getWinShowWhenLockedLw() {
2547        return mWinShowWhenLocked;
2548    }
2549
2550    /** {@inheritDoc} */
2551    @Override
2552    public View addStartingWindow(IBinder appToken, String packageName, int theme,
2553            CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes,
2554            int icon, int logo, int windowFlags, Configuration overrideConfig) {
2555        if (!SHOW_STARTING_ANIMATIONS) {
2556            return null;
2557        }
2558        if (packageName == null) {
2559            return null;
2560        }
2561
2562        WindowManager wm = null;
2563        View view = null;
2564
2565        try {
2566            Context context = mContext;
2567            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow " + packageName
2568                    + ": nonLocalizedLabel=" + nonLocalizedLabel + " theme="
2569                    + Integer.toHexString(theme));
2570            if (theme != context.getThemeResId() || labelRes != 0) {
2571                try {
2572                    context = context.createPackageContext(packageName, 0);
2573                    context.setTheme(theme);
2574                } catch (PackageManager.NameNotFoundException e) {
2575                    // Ignore
2576                }
2577            }
2578
2579            if (overrideConfig != null && overrideConfig != EMPTY) {
2580                if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow: creating context based"
2581                        + " on overrideConfig" + overrideConfig + " for starting window");
2582                final Context overrideContext = context.createConfigurationContext(overrideConfig);
2583                overrideContext.setTheme(theme);
2584                final TypedArray typedArray = overrideContext.obtainStyledAttributes(
2585                        com.android.internal.R.styleable.Window);
2586                final int resId = typedArray.getResourceId(R.styleable.Window_windowBackground, 0);
2587                if (resId != 0 && overrideContext.getDrawable(resId) != null) {
2588                    // We want to use the windowBackground for the override context if it is
2589                    // available, otherwise we use the default one to make sure a themed starting
2590                    // window is displayed for the app.
2591                    if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow: apply overrideConfig"
2592                            + overrideConfig + " to starting window resId=" + resId);
2593                    context = overrideContext;
2594                }
2595            }
2596
2597            final PhoneWindow win = new PhoneWindow(context);
2598            win.setIsStartingWindow(true);
2599
2600            CharSequence label = context.getResources().getText(labelRes, null);
2601            // Only change the accessibility title if the label is localized
2602            if (label != null) {
2603                win.setTitle(label, true);
2604            } else {
2605                win.setTitle(nonLocalizedLabel, false);
2606            }
2607
2608            win.setType(
2609                WindowManager.LayoutParams.TYPE_APPLICATION_STARTING);
2610
2611            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
2612                // Assumes it's safe to show starting windows of launched apps while
2613                // the keyguard is being hidden. This is okay because starting windows never show
2614                // secret information.
2615                if (mKeyguardHidden) {
2616                    windowFlags |= FLAG_SHOW_WHEN_LOCKED;
2617                }
2618            }
2619
2620            // Force the window flags: this is a fake window, so it is not really
2621            // touchable or focusable by the user.  We also add in the ALT_FOCUSABLE_IM
2622            // flag because we do know that the next window will take input
2623            // focus, so we want to get the IME window up on top of us right away.
2624            win.setFlags(
2625                windowFlags|
2626                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2627                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2628                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
2629                windowFlags|
2630                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2631                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2632                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
2633
2634            win.setDefaultIcon(icon);
2635            win.setDefaultLogo(logo);
2636
2637            win.setLayout(WindowManager.LayoutParams.MATCH_PARENT,
2638                    WindowManager.LayoutParams.MATCH_PARENT);
2639
2640            final WindowManager.LayoutParams params = win.getAttributes();
2641            params.token = appToken;
2642            params.packageName = packageName;
2643            params.windowAnimations = win.getWindowStyle().getResourceId(
2644                    com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
2645            params.privateFlags |=
2646                    WindowManager.LayoutParams.PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED;
2647            params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
2648
2649            if (!compatInfo.supportsScreen()) {
2650                params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW;
2651            }
2652
2653            params.setTitle("Starting " + packageName);
2654
2655            wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
2656            view = win.getDecorView();
2657
2658            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "Adding starting window for "
2659                + packageName + " / " + appToken + ": " + (view.getParent() != null ? view : null));
2660
2661            wm.addView(view, params);
2662
2663            // Only return the view if it was successfully added to the
2664            // window manager... which we can tell by it having a parent.
2665            return view.getParent() != null ? view : null;
2666        } catch (WindowManager.BadTokenException e) {
2667            // ignore
2668            Log.w(TAG, appToken + " already running, starting window not displayed. " +
2669                    e.getMessage());
2670        } catch (RuntimeException e) {
2671            // don't crash if something else bad happens, for example a
2672            // failure loading resources because we are loading from an app
2673            // on external storage that has been unmounted.
2674            Log.w(TAG, appToken + " failed creating starting window", e);
2675        } finally {
2676            if (view != null && view.getParent() == null) {
2677                Log.w(TAG, "view not successfully added to wm, removing view");
2678                wm.removeViewImmediate(view);
2679            }
2680        }
2681
2682        return null;
2683    }
2684
2685    /** {@inheritDoc} */
2686    @Override
2687    public void removeStartingWindow(IBinder appToken, View window) {
2688        if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Removing starting window for " + appToken + ": "
2689                + window + " Callers=" + Debug.getCallers(4));
2690
2691        if (window != null) {
2692            WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
2693            wm.removeView(window);
2694        }
2695    }
2696
2697    /**
2698     * Preflight adding a window to the system.
2699     *
2700     * Currently enforces that three window types are singletons:
2701     * <ul>
2702     * <li>STATUS_BAR_TYPE</li>
2703     * <li>KEYGUARD_TYPE</li>
2704     * </ul>
2705     *
2706     * @param win The window to be added
2707     * @param attrs Information about the window to be added
2708     *
2709     * @return If ok, WindowManagerImpl.ADD_OKAY.  If too many singletons,
2710     * WindowManagerImpl.ADD_MULTIPLE_SINGLETON
2711     */
2712    @Override
2713    public int prepareAddWindowLw(WindowState win, WindowManager.LayoutParams attrs) {
2714        switch (attrs.type) {
2715            case TYPE_STATUS_BAR:
2716                mContext.enforceCallingOrSelfPermission(
2717                        android.Manifest.permission.STATUS_BAR_SERVICE,
2718                        "PhoneWindowManager");
2719                if (mStatusBar != null) {
2720                    if (mStatusBar.isAlive()) {
2721                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2722                    }
2723                }
2724                mStatusBar = win;
2725                mStatusBarController.setWindow(win);
2726                break;
2727            case TYPE_NAVIGATION_BAR:
2728                mContext.enforceCallingOrSelfPermission(
2729                        android.Manifest.permission.STATUS_BAR_SERVICE,
2730                        "PhoneWindowManager");
2731                if (mNavigationBar != null) {
2732                    if (mNavigationBar.isAlive()) {
2733                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2734                    }
2735                }
2736                mNavigationBar = win;
2737                mNavigationBarController.setWindow(win);
2738                if (DEBUG_LAYOUT) Slog.i(TAG, "NAVIGATION BAR: " + mNavigationBar);
2739                break;
2740            case TYPE_NAVIGATION_BAR_PANEL:
2741            case TYPE_STATUS_BAR_PANEL:
2742            case TYPE_STATUS_BAR_SUB_PANEL:
2743            case TYPE_VOICE_INTERACTION_STARTING:
2744                mContext.enforceCallingOrSelfPermission(
2745                        android.Manifest.permission.STATUS_BAR_SERVICE,
2746                        "PhoneWindowManager");
2747                break;
2748            case TYPE_KEYGUARD_SCRIM:
2749                if (mKeyguardScrim != null) {
2750                    return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2751                }
2752                mKeyguardScrim = win;
2753                break;
2754        }
2755        return WindowManagerGlobal.ADD_OKAY;
2756    }
2757
2758    /** {@inheritDoc} */
2759    @Override
2760    public void removeWindowLw(WindowState win) {
2761        if (mStatusBar == win) {
2762            mStatusBar = null;
2763            mStatusBarController.setWindow(null);
2764            mKeyguardDelegate.showScrim();
2765        } else if (mKeyguardScrim == win) {
2766            Log.v(TAG, "Removing keyguard scrim");
2767            mKeyguardScrim = null;
2768        } if (mNavigationBar == win) {
2769            mNavigationBar = null;
2770            mNavigationBarController.setWindow(null);
2771        }
2772    }
2773
2774    static final boolean PRINT_ANIM = false;
2775
2776    /** {@inheritDoc} */
2777    @Override
2778    public int selectAnimationLw(WindowState win, int transit) {
2779        if (PRINT_ANIM) Log.i(TAG, "selectAnimation in " + win
2780              + ": transit=" + transit);
2781        if (win == mStatusBar) {
2782            boolean isKeyguard = (win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
2783            if (transit == TRANSIT_EXIT
2784                    || transit == TRANSIT_HIDE) {
2785                return isKeyguard ? -1 : R.anim.dock_top_exit;
2786            } else if (transit == TRANSIT_ENTER
2787                    || transit == TRANSIT_SHOW) {
2788                return isKeyguard ? -1 : R.anim.dock_top_enter;
2789            }
2790        } else if (win == mNavigationBar) {
2791            if (win.getAttrs().windowAnimations != 0) {
2792                return 0;
2793            }
2794            // This can be on either the bottom or the right or the left.
2795            if (mNavigationBarPosition == NAV_BAR_BOTTOM) {
2796                if (transit == TRANSIT_EXIT
2797                        || transit == TRANSIT_HIDE) {
2798                    return R.anim.dock_bottom_exit;
2799                } else if (transit == TRANSIT_ENTER
2800                        || transit == TRANSIT_SHOW) {
2801                    return R.anim.dock_bottom_enter;
2802                }
2803            } else if (mNavigationBarPosition == NAV_BAR_RIGHT) {
2804                if (transit == TRANSIT_EXIT
2805                        || transit == TRANSIT_HIDE) {
2806                    return R.anim.dock_right_exit;
2807                } else if (transit == TRANSIT_ENTER
2808                        || transit == TRANSIT_SHOW) {
2809                    return R.anim.dock_right_enter;
2810                }
2811            } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
2812                if (transit == TRANSIT_EXIT
2813                        || transit == TRANSIT_HIDE) {
2814                    return R.anim.dock_left_exit;
2815                } else if (transit == TRANSIT_ENTER
2816                        || transit == TRANSIT_SHOW) {
2817                    return R.anim.dock_left_enter;
2818                }
2819            }
2820        } else if (win.getAttrs().type == TYPE_DOCK_DIVIDER) {
2821            return selectDockedDividerAnimationLw(win, transit);
2822        }
2823
2824        if (transit == TRANSIT_PREVIEW_DONE) {
2825            if (win.hasAppShownWindows()) {
2826                if (PRINT_ANIM) Log.i(TAG, "**** STARTING EXIT");
2827                return com.android.internal.R.anim.app_starting_exit;
2828            }
2829        } else if (win.getAttrs().type == TYPE_DREAM && mDreamingLockscreen
2830                && transit == TRANSIT_ENTER) {
2831            // Special case: we are animating in a dream, while the keyguard
2832            // is shown.  We don't want an animation on the dream, because
2833            // we need it shown immediately with the keyguard animating away
2834            // to reveal it.
2835            return -1;
2836        }
2837
2838        return 0;
2839    }
2840
2841    private int selectDockedDividerAnimationLw(WindowState win, int transit) {
2842        int insets = mWindowManagerFuncs.getDockedDividerInsetsLw();
2843
2844        // If the divider is behind the navigation bar, don't animate.
2845        final Rect frame = win.getFrameLw();
2846        final boolean behindNavBar = mNavigationBar != null
2847                && ((mNavigationBarPosition == NAV_BAR_BOTTOM
2848                        && frame.top + insets >= mNavigationBar.getFrameLw().top)
2849                || (mNavigationBarPosition == NAV_BAR_RIGHT
2850                        && frame.left + insets >= mNavigationBar.getFrameLw().left)
2851                || (mNavigationBarPosition == NAV_BAR_LEFT
2852                        && frame.right - insets <= mNavigationBar.getFrameLw().right));
2853        final boolean landscape = frame.height() > frame.width();
2854        final boolean offscreenLandscape = landscape && (frame.right - insets <= 0
2855                || frame.left + insets >= win.getDisplayFrameLw().right);
2856        final boolean offscreenPortrait = !landscape && (frame.top - insets <= 0
2857                || frame.bottom + insets >= win.getDisplayFrameLw().bottom);
2858        final boolean offscreen = offscreenLandscape || offscreenPortrait;
2859        if (behindNavBar || offscreen) {
2860            return 0;
2861        }
2862        if (transit == TRANSIT_ENTER || transit == TRANSIT_SHOW) {
2863            return R.anim.fade_in;
2864        } else if (transit == TRANSIT_EXIT) {
2865            return R.anim.fade_out;
2866        } else {
2867            return 0;
2868        }
2869    }
2870
2871    @Override
2872    public void selectRotationAnimationLw(int anim[]) {
2873        if (PRINT_ANIM) Slog.i(TAG, "selectRotationAnimation mTopFullscreen="
2874                + mTopFullscreenOpaqueWindowState + " rotationAnimation="
2875                + (mTopFullscreenOpaqueWindowState == null ?
2876                        "0" : mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation));
2877        if (mTopFullscreenOpaqueWindowState != null) {
2878            int animationHint = mTopFullscreenOpaqueWindowState.getRotationAnimationHint();
2879            if (animationHint < 0 && mTopIsFullscreen) {
2880                animationHint = mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation;
2881            }
2882            switch (animationHint) {
2883                case ROTATION_ANIMATION_CROSSFADE:
2884                    anim[0] = R.anim.rotation_animation_xfade_exit;
2885                    anim[1] = R.anim.rotation_animation_enter;
2886                    break;
2887                case ROTATION_ANIMATION_JUMPCUT:
2888                    anim[0] = R.anim.rotation_animation_jump_exit;
2889                    anim[1] = R.anim.rotation_animation_enter;
2890                    break;
2891                case ROTATION_ANIMATION_ROTATE:
2892                default:
2893                    anim[0] = anim[1] = 0;
2894                    break;
2895            }
2896        } else {
2897            anim[0] = anim[1] = 0;
2898        }
2899    }
2900
2901    @Override
2902    public boolean validateRotationAnimationLw(int exitAnimId, int enterAnimId,
2903            boolean forceDefault) {
2904        switch (exitAnimId) {
2905            case R.anim.rotation_animation_xfade_exit:
2906            case R.anim.rotation_animation_jump_exit:
2907                // These are the only cases that matter.
2908                if (forceDefault) {
2909                    return false;
2910                }
2911                int anim[] = new int[2];
2912                selectRotationAnimationLw(anim);
2913                return (exitAnimId == anim[0] && enterAnimId == anim[1]);
2914            default:
2915                return true;
2916        }
2917    }
2918
2919    @Override
2920    public Animation createForceHideEnterAnimation(boolean onWallpaper,
2921            boolean goingToNotificationShade) {
2922        if (goingToNotificationShade) {
2923            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_behind_enter_fade_in);
2924        }
2925
2926        AnimationSet set = (AnimationSet) AnimationUtils.loadAnimation(mContext, onWallpaper ?
2927                    R.anim.lock_screen_behind_enter_wallpaper :
2928                    R.anim.lock_screen_behind_enter);
2929
2930        // TODO: Use XML interpolators when we have log interpolators available in XML.
2931        final List<Animation> animations = set.getAnimations();
2932        for (int i = animations.size() - 1; i >= 0; --i) {
2933            animations.get(i).setInterpolator(mLogDecelerateInterpolator);
2934        }
2935
2936        return set;
2937    }
2938
2939
2940    @Override
2941    public Animation createForceHideWallpaperExitAnimation(boolean goingToNotificationShade) {
2942        if (goingToNotificationShade) {
2943            return null;
2944        } else {
2945            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_wallpaper_exit);
2946        }
2947    }
2948
2949    private static void awakenDreams() {
2950        IDreamManager dreamManager = getDreamManager();
2951        if (dreamManager != null) {
2952            try {
2953                dreamManager.awaken();
2954            } catch (RemoteException e) {
2955                // fine, stay asleep then
2956            }
2957        }
2958    }
2959
2960    static IDreamManager getDreamManager() {
2961        return IDreamManager.Stub.asInterface(
2962                ServiceManager.checkService(DreamService.DREAM_SERVICE));
2963    }
2964
2965    TelecomManager getTelecommService() {
2966        return (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE);
2967    }
2968
2969    static IAudioService getAudioService() {
2970        IAudioService audioService = IAudioService.Stub.asInterface(
2971                ServiceManager.checkService(Context.AUDIO_SERVICE));
2972        if (audioService == null) {
2973            Log.w(TAG, "Unable to find IAudioService interface.");
2974        }
2975        return audioService;
2976    }
2977
2978    boolean keyguardOn() {
2979        return isKeyguardShowingAndNotOccluded() || inKeyguardRestrictedKeyInputMode();
2980    }
2981
2982    private static final int[] WINDOW_TYPES_WHERE_HOME_DOESNT_WORK = {
2983            WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
2984            WindowManager.LayoutParams.TYPE_SYSTEM_ERROR,
2985        };
2986
2987    /** {@inheritDoc} */
2988    @Override
2989    public long interceptKeyBeforeDispatching(WindowState win, KeyEvent event, int policyFlags) {
2990        final boolean keyguardOn = keyguardOn();
2991        final int keyCode = event.getKeyCode();
2992        final int repeatCount = event.getRepeatCount();
2993        final int metaState = event.getMetaState();
2994        final int flags = event.getFlags();
2995        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
2996        final boolean canceled = event.isCanceled();
2997
2998        if (DEBUG_INPUT) {
2999            Log.d(TAG, "interceptKeyTi keyCode=" + keyCode + " down=" + down + " repeatCount="
3000                    + repeatCount + " keyguardOn=" + keyguardOn + " mHomePressed=" + mHomePressed
3001                    + " canceled=" + canceled);
3002        }
3003
3004        // If we think we might have a volume down & power key chord on the way
3005        // but we're not sure, then tell the dispatcher to wait a little while and
3006        // try again later before dispatching.
3007        if (mScreenshotChordEnabled && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
3008            if (mScreenshotChordVolumeDownKeyTriggered && !mScreenshotChordPowerKeyTriggered) {
3009                final long now = SystemClock.uptimeMillis();
3010                final long timeoutTime = mScreenshotChordVolumeDownKeyTime
3011                        + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
3012                if (now < timeoutTime) {
3013                    return timeoutTime - now;
3014                }
3015            }
3016            if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
3017                    && mScreenshotChordVolumeDownKeyConsumed) {
3018                if (!down) {
3019                    mScreenshotChordVolumeDownKeyConsumed = false;
3020                }
3021                return -1;
3022            }
3023        }
3024
3025        // Cancel any pending meta actions if we see any other keys being pressed between the down
3026        // of the meta key and its corresponding up.
3027        if (mPendingMetaAction && !KeyEvent.isMetaKey(keyCode)) {
3028            mPendingMetaAction = false;
3029        }
3030        // Any key that is not Alt or Meta cancels Caps Lock combo tracking.
3031        if (mPendingCapsLockToggle && !KeyEvent.isMetaKey(keyCode) && !KeyEvent.isAltKey(keyCode)) {
3032            mPendingCapsLockToggle = false;
3033        }
3034
3035        // First we always handle the home key here, so applications
3036        // can never break it, although if keyguard is on, we do let
3037        // it handle it, because that gives us the correct 5 second
3038        // timeout.
3039        if (keyCode == KeyEvent.KEYCODE_HOME) {
3040
3041            // If we have released the home key, and didn't do anything else
3042            // while it was pressed, then it is time to go home!
3043            if (!down) {
3044                cancelPreloadRecentApps();
3045
3046                mHomePressed = false;
3047                if (mHomeConsumed) {
3048                    mHomeConsumed = false;
3049                    return -1;
3050                }
3051
3052                if (canceled) {
3053                    Log.i(TAG, "Ignoring HOME; event canceled.");
3054                    return -1;
3055                }
3056
3057                // If an incoming call is ringing, HOME is totally disabled.
3058                // (The user is already on the InCallUI at this point,
3059                // and his ONLY options are to answer or reject the call.)
3060                TelecomManager telecomManager = getTelecommService();
3061                if (telecomManager != null && telecomManager.isRinging()) {
3062                    Log.i(TAG, "Ignoring HOME; there's a ringing incoming call.");
3063                    return -1;
3064                }
3065
3066                // Delay handling home if a double-tap is possible.
3067                if (mDoubleTapOnHomeBehavior != DOUBLE_TAP_HOME_NOTHING) {
3068                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable); // just in case
3069                    mHomeDoubleTapPending = true;
3070                    mHandler.postDelayed(mHomeDoubleTapTimeoutRunnable,
3071                            ViewConfiguration.getDoubleTapTimeout());
3072                    return -1;
3073                }
3074
3075                handleShortPressOnHome();
3076                return -1;
3077            }
3078
3079            // If a system window has focus, then it doesn't make sense
3080            // right now to interact with applications.
3081            WindowManager.LayoutParams attrs = win != null ? win.getAttrs() : null;
3082            if (attrs != null) {
3083                final int type = attrs.type;
3084                if (type == WindowManager.LayoutParams.TYPE_KEYGUARD_SCRIM
3085                        || type == WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG
3086                        || (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
3087                    // the "app" is keyguard, so give it the key
3088                    return 0;
3089                }
3090                final int typeCount = WINDOW_TYPES_WHERE_HOME_DOESNT_WORK.length;
3091                for (int i=0; i<typeCount; i++) {
3092                    if (type == WINDOW_TYPES_WHERE_HOME_DOESNT_WORK[i]) {
3093                        // don't do anything, but also don't pass it to the app
3094                        return -1;
3095                    }
3096                }
3097            }
3098
3099            // Remember that home is pressed and handle special actions.
3100            if (repeatCount == 0) {
3101                mHomePressed = true;
3102                if (mHomeDoubleTapPending) {
3103                    mHomeDoubleTapPending = false;
3104                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable);
3105                    handleDoubleTapOnHome();
3106                } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI
3107                        || mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
3108                    preloadRecentApps();
3109                }
3110            } else if ((event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) {
3111                if (!keyguardOn) {
3112                    handleLongPressOnHome(event.getDeviceId());
3113                }
3114            }
3115            return -1;
3116        } else if (keyCode == KeyEvent.KEYCODE_MENU) {
3117            // Hijack modified menu keys for debugging features
3118            final int chordBug = KeyEvent.META_SHIFT_ON;
3119
3120            if (down && repeatCount == 0) {
3121                if (mEnableShiftMenuBugReports && (metaState & chordBug) == chordBug) {
3122                    Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
3123                    mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT,
3124                            null, null, null, 0, null, null);
3125                    return -1;
3126                } else if (SHOW_PROCESSES_ON_ALT_MENU &&
3127                        (metaState & KeyEvent.META_ALT_ON) == KeyEvent.META_ALT_ON) {
3128                    Intent service = new Intent();
3129                    service.setClassName(mContext, "com.android.server.LoadAverageService");
3130                    ContentResolver res = mContext.getContentResolver();
3131                    boolean shown = Settings.Global.getInt(
3132                            res, Settings.Global.SHOW_PROCESSES, 0) != 0;
3133                    if (!shown) {
3134                        mContext.startService(service);
3135                    } else {
3136                        mContext.stopService(service);
3137                    }
3138                    Settings.Global.putInt(
3139                            res, Settings.Global.SHOW_PROCESSES, shown ? 0 : 1);
3140                    return -1;
3141                }
3142            }
3143        } else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
3144            if (down) {
3145                if (repeatCount == 0) {
3146                    mSearchKeyShortcutPending = true;
3147                    mConsumeSearchKeyUp = false;
3148                }
3149            } else {
3150                mSearchKeyShortcutPending = false;
3151                if (mConsumeSearchKeyUp) {
3152                    mConsumeSearchKeyUp = false;
3153                    return -1;
3154                }
3155            }
3156            return 0;
3157        } else if (keyCode == KeyEvent.KEYCODE_APP_SWITCH) {
3158            if (!keyguardOn) {
3159                if (down && repeatCount == 0) {
3160                    preloadRecentApps();
3161                } else if (!down) {
3162                    toggleRecentApps();
3163                }
3164            }
3165            return -1;
3166        } else if (keyCode == KeyEvent.KEYCODE_N && event.isMetaPressed()) {
3167            if (down) {
3168                IStatusBarService service = getStatusBarService();
3169                if (service != null) {
3170                    try {
3171                        service.expandNotificationsPanel();
3172                    } catch (RemoteException e) {
3173                        // do nothing.
3174                    }
3175                }
3176            }
3177        } else if (keyCode == KeyEvent.KEYCODE_S && event.isMetaPressed()
3178                && event.isCtrlPressed()) {
3179            if (down && repeatCount == 0) {
3180                int type = event.isShiftPressed() ? TAKE_SCREENSHOT_SELECTED_REGION
3181                        : TAKE_SCREENSHOT_FULLSCREEN;
3182                mScreenshotRunnable.setScreenshotType(type);
3183                mHandler.post(mScreenshotRunnable);
3184                return -1;
3185            }
3186        } else if (keyCode == KeyEvent.KEYCODE_SLASH && event.isMetaPressed()) {
3187            if (down && repeatCount == 0 && !isKeyguardLocked()) {
3188                toggleKeyboardShortcutsMenu(event.getDeviceId());
3189            }
3190        } else if (keyCode == KeyEvent.KEYCODE_ASSIST) {
3191            if (down) {
3192                if (repeatCount == 0) {
3193                    mAssistKeyLongPressed = false;
3194                } else if (repeatCount == 1) {
3195                    mAssistKeyLongPressed = true;
3196                    if (!keyguardOn) {
3197                         launchAssistLongPressAction();
3198                    }
3199                }
3200            } else {
3201                if (mAssistKeyLongPressed) {
3202                    mAssistKeyLongPressed = false;
3203                } else {
3204                    if (!keyguardOn) {
3205                        launchAssistAction(null, event.getDeviceId());
3206                    }
3207                }
3208            }
3209            return -1;
3210        } else if (keyCode == KeyEvent.KEYCODE_VOICE_ASSIST) {
3211            if (!down) {
3212                Intent voiceIntent;
3213                if (!keyguardOn) {
3214                    voiceIntent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
3215                } else {
3216                    IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
3217                            ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
3218                    if (dic != null) {
3219                        try {
3220                            dic.exitIdle("voice-search");
3221                        } catch (RemoteException e) {
3222                        }
3223                    }
3224                    voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
3225                    voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, true);
3226                }
3227                startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
3228            }
3229        } else if (keyCode == KeyEvent.KEYCODE_SYSRQ) {
3230            if (down && repeatCount == 0) {
3231                mScreenshotRunnable.setScreenshotType(TAKE_SCREENSHOT_FULLSCREEN);
3232                mHandler.post(mScreenshotRunnable);
3233            }
3234            return -1;
3235        } else if (keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP
3236                || keyCode == KeyEvent.KEYCODE_BRIGHTNESS_DOWN) {
3237            if (down) {
3238                int direction = keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP ? 1 : -1;
3239
3240                // Disable autobrightness if it's on
3241                int auto = Settings.System.getIntForUser(
3242                        mContext.getContentResolver(),
3243                        Settings.System.SCREEN_BRIGHTNESS_MODE,
3244                        Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
3245                        UserHandle.USER_CURRENT_OR_SELF);
3246                if (auto != 0) {
3247                    Settings.System.putIntForUser(mContext.getContentResolver(),
3248                            Settings.System.SCREEN_BRIGHTNESS_MODE,
3249                            Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
3250                            UserHandle.USER_CURRENT_OR_SELF);
3251                }
3252
3253                int min = mPowerManager.getMinimumScreenBrightnessSetting();
3254                int max = mPowerManager.getMaximumScreenBrightnessSetting();
3255                int step = (max - min + BRIGHTNESS_STEPS - 1) / BRIGHTNESS_STEPS * direction;
3256                int brightness = Settings.System.getIntForUser(mContext.getContentResolver(),
3257                        Settings.System.SCREEN_BRIGHTNESS,
3258                        mPowerManager.getDefaultScreenBrightnessSetting(),
3259                        UserHandle.USER_CURRENT_OR_SELF);
3260                brightness += step;
3261                // Make sure we don't go beyond the limits.
3262                brightness = Math.min(max, brightness);
3263                brightness = Math.max(min, brightness);
3264
3265                Settings.System.putIntForUser(mContext.getContentResolver(),
3266                        Settings.System.SCREEN_BRIGHTNESS, brightness,
3267                        UserHandle.USER_CURRENT_OR_SELF);
3268                startActivityAsUser(new Intent(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG),
3269                        UserHandle.CURRENT_OR_SELF);
3270            }
3271            return -1;
3272        } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP
3273                || keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
3274                || keyCode == KeyEvent.KEYCODE_VOLUME_MUTE) {
3275            if (mUseTvRouting) {
3276                // On TVs volume keys never go to the foreground app.
3277                dispatchDirectAudioEvent(event);
3278                return -1;
3279            }
3280        }
3281
3282        // Toggle Caps Lock on META-ALT.
3283        boolean actionTriggered = false;
3284        if (KeyEvent.isModifierKey(keyCode)) {
3285            if (!mPendingCapsLockToggle) {
3286                // Start tracking meta state for combo.
3287                mInitialMetaState = mMetaState;
3288                mPendingCapsLockToggle = true;
3289            } else if (event.getAction() == KeyEvent.ACTION_UP) {
3290                int altOnMask = mMetaState & KeyEvent.META_ALT_MASK;
3291                int metaOnMask = mMetaState & KeyEvent.META_META_MASK;
3292
3293                // Check for Caps Lock toggle
3294                if ((metaOnMask != 0) && (altOnMask != 0)) {
3295                    // Check if nothing else is pressed
3296                    if (mInitialMetaState == (mMetaState ^ (altOnMask | metaOnMask))) {
3297                        // Handle Caps Lock Toggle
3298                        mInputManagerInternal.toggleCapsLock(event.getDeviceId());
3299                        actionTriggered = true;
3300                    }
3301                }
3302
3303                // Always stop tracking when key goes up.
3304                mPendingCapsLockToggle = false;
3305            }
3306        }
3307        // Store current meta state to be able to evaluate it later.
3308        mMetaState = metaState;
3309
3310        if (actionTriggered) {
3311            return -1;
3312        }
3313
3314        if (KeyEvent.isMetaKey(keyCode)) {
3315            if (down) {
3316                mPendingMetaAction = true;
3317            } else if (mPendingMetaAction) {
3318                launchAssistAction(Intent.EXTRA_ASSIST_INPUT_HINT_KEYBOARD, event.getDeviceId());
3319            }
3320            return -1;
3321        }
3322
3323        // Shortcuts are invoked through Search+key, so intercept those here
3324        // Any printing key that is chorded with Search should be consumed
3325        // even if no shortcut was invoked.  This prevents text from being
3326        // inadvertently inserted when using a keyboard that has built-in macro
3327        // shortcut keys (that emit Search+x) and some of them are not registered.
3328        if (mSearchKeyShortcutPending) {
3329            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3330            if (kcm.isPrintingKey(keyCode)) {
3331                mConsumeSearchKeyUp = true;
3332                mSearchKeyShortcutPending = false;
3333                if (down && repeatCount == 0 && !keyguardOn) {
3334                    Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState);
3335                    if (shortcutIntent != null) {
3336                        shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3337                        try {
3338                            startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3339                            dismissKeyboardShortcutsMenu();
3340                        } catch (ActivityNotFoundException ex) {
3341                            Slog.w(TAG, "Dropping shortcut key combination because "
3342                                    + "the activity to which it is registered was not found: "
3343                                    + "SEARCH+" + KeyEvent.keyCodeToString(keyCode), ex);
3344                        }
3345                    } else {
3346                        Slog.i(TAG, "Dropping unregistered shortcut key combination: "
3347                                + "SEARCH+" + KeyEvent.keyCodeToString(keyCode));
3348                    }
3349                }
3350                return -1;
3351            }
3352        }
3353
3354        // Invoke shortcuts using Meta.
3355        if (down && repeatCount == 0 && !keyguardOn
3356                && (metaState & KeyEvent.META_META_ON) != 0) {
3357            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3358            if (kcm.isPrintingKey(keyCode)) {
3359                Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode,
3360                        metaState & ~(KeyEvent.META_META_ON
3361                                | KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_RIGHT_ON));
3362                if (shortcutIntent != null) {
3363                    shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3364                    try {
3365                        startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3366                        dismissKeyboardShortcutsMenu();
3367                    } catch (ActivityNotFoundException ex) {
3368                        Slog.w(TAG, "Dropping shortcut key combination because "
3369                                + "the activity to which it is registered was not found: "
3370                                + "META+" + KeyEvent.keyCodeToString(keyCode), ex);
3371                    }
3372                    return -1;
3373                }
3374            }
3375        }
3376
3377        // Handle application launch keys.
3378        if (down && repeatCount == 0 && !keyguardOn) {
3379            String category = sApplicationLaunchKeyCategories.get(keyCode);
3380            if (category != null) {
3381                Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, category);
3382                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3383                try {
3384                    startActivityAsUser(intent, UserHandle.CURRENT);
3385                    dismissKeyboardShortcutsMenu();
3386                } catch (ActivityNotFoundException ex) {
3387                    Slog.w(TAG, "Dropping application launch key because "
3388                            + "the activity to which it is registered was not found: "
3389                            + "keyCode=" + keyCode + ", category=" + category, ex);
3390                }
3391                return -1;
3392            }
3393        }
3394
3395        // Display task switcher for ALT-TAB.
3396        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_TAB) {
3397            if (mRecentAppsHeldModifiers == 0 && !keyguardOn && isUserSetupComplete()) {
3398                final int shiftlessModifiers = event.getModifiers() & ~KeyEvent.META_SHIFT_MASK;
3399                if (KeyEvent.metaStateHasModifiers(shiftlessModifiers, KeyEvent.META_ALT_ON)) {
3400                    mRecentAppsHeldModifiers = shiftlessModifiers;
3401                    showRecentApps(true, false);
3402                    return -1;
3403                }
3404            }
3405        } else if (!down && mRecentAppsHeldModifiers != 0
3406                && (metaState & mRecentAppsHeldModifiers) == 0) {
3407            mRecentAppsHeldModifiers = 0;
3408            hideRecentApps(true, false);
3409        }
3410
3411        // Handle input method switching.
3412        if (down && repeatCount == 0
3413                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3414                        || (keyCode == KeyEvent.KEYCODE_SPACE
3415                                && (metaState & KeyEvent.META_META_MASK) != 0))) {
3416            final boolean forwardDirection = (metaState & KeyEvent.META_SHIFT_MASK) == 0;
3417            mWindowManagerFuncs.switchInputMethod(forwardDirection);
3418            return -1;
3419        }
3420        if (mLanguageSwitchKeyPressed && !down
3421                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3422                        || keyCode == KeyEvent.KEYCODE_SPACE)) {
3423            mLanguageSwitchKeyPressed = false;
3424            return -1;
3425        }
3426
3427        if (isValidGlobalKey(keyCode)
3428                && mGlobalKeyManager.handleGlobalKey(mContext, keyCode, event)) {
3429            return -1;
3430        }
3431
3432        if (down) {
3433            long shortcutCode = keyCode;
3434            if (event.isCtrlPressed()) {
3435                shortcutCode |= ((long) KeyEvent.META_CTRL_ON) << Integer.SIZE;
3436            }
3437
3438            if (event.isAltPressed()) {
3439                shortcutCode |= ((long) KeyEvent.META_ALT_ON) << Integer.SIZE;
3440            }
3441
3442            if (event.isShiftPressed()) {
3443                shortcutCode |= ((long) KeyEvent.META_SHIFT_ON) << Integer.SIZE;
3444            }
3445
3446            if (event.isMetaPressed()) {
3447                shortcutCode |= ((long) KeyEvent.META_META_ON) << Integer.SIZE;
3448            }
3449
3450            IShortcutService shortcutService = mShortcutKeyServices.get(shortcutCode);
3451            if (shortcutService != null) {
3452                try {
3453                    if (isUserSetupComplete()) {
3454                        shortcutService.notifyShortcutKeyPressed(shortcutCode);
3455                    }
3456                } catch (RemoteException e) {
3457                    mShortcutKeyServices.delete(shortcutCode);
3458                }
3459                return -1;
3460            }
3461        }
3462
3463        // Reserve all the META modifier combos for system behavior
3464        if ((metaState & KeyEvent.META_META_ON) != 0) {
3465            return -1;
3466        }
3467
3468        // Let the application handle the key.
3469        return 0;
3470    }
3471
3472    /** {@inheritDoc} */
3473    @Override
3474    public KeyEvent dispatchUnhandledKey(WindowState win, KeyEvent event, int policyFlags) {
3475        // Note: This method is only called if the initial down was unhandled.
3476        if (DEBUG_INPUT) {
3477            Slog.d(TAG, "Unhandled key: win=" + win + ", action=" + event.getAction()
3478                    + ", flags=" + event.getFlags()
3479                    + ", keyCode=" + event.getKeyCode()
3480                    + ", scanCode=" + event.getScanCode()
3481                    + ", metaState=" + event.getMetaState()
3482                    + ", repeatCount=" + event.getRepeatCount()
3483                    + ", policyFlags=" + policyFlags);
3484        }
3485
3486        KeyEvent fallbackEvent = null;
3487        if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
3488            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3489            final int keyCode = event.getKeyCode();
3490            final int metaState = event.getMetaState();
3491            final boolean initialDown = event.getAction() == KeyEvent.ACTION_DOWN
3492                    && event.getRepeatCount() == 0;
3493
3494            // Check for fallback actions specified by the key character map.
3495            final FallbackAction fallbackAction;
3496            if (initialDown) {
3497                fallbackAction = kcm.getFallbackAction(keyCode, metaState);
3498            } else {
3499                fallbackAction = mFallbackActions.get(keyCode);
3500            }
3501
3502            if (fallbackAction != null) {
3503                if (DEBUG_INPUT) {
3504                    Slog.d(TAG, "Fallback: keyCode=" + fallbackAction.keyCode
3505                            + " metaState=" + Integer.toHexString(fallbackAction.metaState));
3506                }
3507
3508                final int flags = event.getFlags() | KeyEvent.FLAG_FALLBACK;
3509                fallbackEvent = KeyEvent.obtain(
3510                        event.getDownTime(), event.getEventTime(),
3511                        event.getAction(), fallbackAction.keyCode,
3512                        event.getRepeatCount(), fallbackAction.metaState,
3513                        event.getDeviceId(), event.getScanCode(),
3514                        flags, event.getSource(), null);
3515
3516                if (!interceptFallback(win, fallbackEvent, policyFlags)) {
3517                    fallbackEvent.recycle();
3518                    fallbackEvent = null;
3519                }
3520
3521                if (initialDown) {
3522                    mFallbackActions.put(keyCode, fallbackAction);
3523                } else if (event.getAction() == KeyEvent.ACTION_UP) {
3524                    mFallbackActions.remove(keyCode);
3525                    fallbackAction.recycle();
3526                }
3527            }
3528        }
3529
3530        if (DEBUG_INPUT) {
3531            if (fallbackEvent == null) {
3532                Slog.d(TAG, "No fallback.");
3533            } else {
3534                Slog.d(TAG, "Performing fallback: " + fallbackEvent);
3535            }
3536        }
3537        return fallbackEvent;
3538    }
3539
3540    private boolean interceptFallback(WindowState win, KeyEvent fallbackEvent, int policyFlags) {
3541        int actions = interceptKeyBeforeQueueing(fallbackEvent, policyFlags);
3542        if ((actions & ACTION_PASS_TO_USER) != 0) {
3543            long delayMillis = interceptKeyBeforeDispatching(
3544                    win, fallbackEvent, policyFlags);
3545            if (delayMillis == 0) {
3546                return true;
3547            }
3548        }
3549        return false;
3550    }
3551
3552    @Override
3553    public void registerShortcutKey(long shortcutCode, IShortcutService shortcutService)
3554            throws RemoteException {
3555        synchronized (mLock) {
3556            IShortcutService service = mShortcutKeyServices.get(shortcutCode);
3557            if (service != null && service.asBinder().pingBinder()) {
3558                throw new RemoteException("Key already exists.");
3559            }
3560
3561            mShortcutKeyServices.put(shortcutCode, shortcutService);
3562        }
3563    }
3564
3565    private void launchAssistLongPressAction() {
3566        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
3567        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3568
3569        // launch the search activity
3570        Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
3571        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3572        try {
3573            // TODO: This only stops the factory-installed search manager.
3574            // Need to formalize an API to handle others
3575            SearchManager searchManager = getSearchManager();
3576            if (searchManager != null) {
3577                searchManager.stopSearch();
3578            }
3579            startActivityAsUser(intent, UserHandle.CURRENT);
3580        } catch (ActivityNotFoundException e) {
3581            Slog.w(TAG, "No activity to handle assist long press action.", e);
3582        }
3583    }
3584
3585    private void launchAssistAction(String hint, int deviceId) {
3586        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3587        if (!isUserSetupComplete()) {
3588            // Disable opening assist window during setup
3589            return;
3590        }
3591        Bundle args = null;
3592        if (deviceId > Integer.MIN_VALUE) {
3593            args = new Bundle();
3594            args.putInt(Intent.EXTRA_ASSIST_INPUT_DEVICE_ID, deviceId);
3595        }
3596        if ((mContext.getResources().getConfiguration().uiMode
3597                & Configuration.UI_MODE_TYPE_MASK) == Configuration.UI_MODE_TYPE_TELEVISION) {
3598            // On TV, use legacy handling until assistants are implemented in the proper way.
3599            ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
3600                    .launchLegacyAssist(hint, UserHandle.myUserId(), args);
3601        } else {
3602            if (hint != null) {
3603                if (args == null) {
3604                    args = new Bundle();
3605                }
3606                args.putBoolean(hint, true);
3607            }
3608            StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3609            if (statusbar != null) {
3610                statusbar.startAssist(args);
3611            }
3612        }
3613    }
3614
3615    private void startActivityAsUser(Intent intent, UserHandle handle) {
3616        if (isUserSetupComplete()) {
3617            mContext.startActivityAsUser(intent, handle);
3618        } else {
3619            Slog.i(TAG, "Not starting activity because user setup is in progress: " + intent);
3620        }
3621    }
3622
3623    private SearchManager getSearchManager() {
3624        if (mSearchManager == null) {
3625            mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
3626        }
3627        return mSearchManager;
3628    }
3629
3630    private void preloadRecentApps() {
3631        mPreloadedRecentApps = true;
3632        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3633        if (statusbar != null) {
3634            statusbar.preloadRecentApps();
3635        }
3636    }
3637
3638    private void cancelPreloadRecentApps() {
3639        if (mPreloadedRecentApps) {
3640            mPreloadedRecentApps = false;
3641            StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3642            if (statusbar != null) {
3643                statusbar.cancelPreloadRecentApps();
3644            }
3645        }
3646    }
3647
3648    private void toggleRecentApps() {
3649        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3650        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3651        if (statusbar != null) {
3652            statusbar.toggleRecentApps();
3653        }
3654    }
3655
3656    @Override
3657    public void showRecentApps(boolean fromHome) {
3658        mHandler.removeMessages(MSG_DISPATCH_SHOW_RECENTS);
3659        mHandler.obtainMessage(MSG_DISPATCH_SHOW_RECENTS, fromHome ? 1 : 0, 0).sendToTarget();
3660    }
3661
3662    private void showRecentApps(boolean triggeredFromAltTab, boolean fromHome) {
3663        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3664        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3665        if (statusbar != null) {
3666            statusbar.showRecentApps(triggeredFromAltTab, fromHome);
3667        }
3668    }
3669
3670    private void toggleKeyboardShortcutsMenu(int deviceId) {
3671        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3672        if (statusbar != null) {
3673            statusbar.toggleKeyboardShortcutsMenu(deviceId);
3674        }
3675    }
3676
3677    private void dismissKeyboardShortcutsMenu() {
3678        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3679        if (statusbar != null) {
3680            statusbar.dismissKeyboardShortcutsMenu();
3681        }
3682    }
3683
3684    private void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHome) {
3685        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3686        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3687        if (statusbar != null) {
3688            statusbar.hideRecentApps(triggeredFromAltTab, triggeredFromHome);
3689        }
3690    }
3691
3692    void launchHomeFromHotKey() {
3693        launchHomeFromHotKey(true /* awakenFromDreams */, true /*respectKeyguard*/);
3694    }
3695
3696    /**
3697     * A home key -> launch home action was detected.  Take the appropriate action
3698     * given the situation with the keyguard.
3699     */
3700    void launchHomeFromHotKey(final boolean awakenFromDreams, final boolean respectKeyguard) {
3701        if (respectKeyguard) {
3702            if (isKeyguardShowingAndNotOccluded()) {
3703                // don't launch home if keyguard showing
3704                return;
3705            }
3706
3707            if (!mHideLockScreen && mKeyguardDelegate.isInputRestricted()) {
3708                // when in keyguard restricted mode, must first verify unlock
3709                // before launching home
3710                mKeyguardDelegate.verifyUnlock(new OnKeyguardExitResult() {
3711                    @Override
3712                    public void onKeyguardExitResult(boolean success) {
3713                        if (success) {
3714                            try {
3715                                ActivityManagerNative.getDefault().stopAppSwitches();
3716                            } catch (RemoteException e) {
3717                            }
3718                            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3719                            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3720                        }
3721                    }
3722                });
3723                return;
3724            }
3725        }
3726
3727        // no keyguard stuff to worry about, just launch home!
3728        try {
3729            ActivityManagerNative.getDefault().stopAppSwitches();
3730        } catch (RemoteException e) {
3731        }
3732        if (mRecentsVisible) {
3733            // Hide Recents and notify it to launch Home
3734            if (awakenFromDreams) {
3735                awakenDreams();
3736            }
3737            hideRecentApps(false, true);
3738        } else {
3739            // Otherwise, just launch Home
3740            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3741            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3742        }
3743    }
3744
3745    private final Runnable mClearHideNavigationFlag = new Runnable() {
3746        @Override
3747        public void run() {
3748            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3749                // Clear flags.
3750                mForceClearedSystemUiFlags &=
3751                        ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3752            }
3753            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3754        }
3755    };
3756
3757    /**
3758     * Input handler used while nav bar is hidden.  Captures any touch on the screen,
3759     * to determine when the nav bar should be shown and prevent applications from
3760     * receiving those touches.
3761     */
3762    final class HideNavInputEventReceiver extends InputEventReceiver {
3763        public HideNavInputEventReceiver(InputChannel inputChannel, Looper looper) {
3764            super(inputChannel, looper);
3765        }
3766
3767        @Override
3768        public void onInputEvent(InputEvent event) {
3769            boolean handled = false;
3770            try {
3771                if (event instanceof MotionEvent
3772                        && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
3773                    final MotionEvent motionEvent = (MotionEvent)event;
3774                    if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
3775                        // When the user taps down, we re-show the nav bar.
3776                        boolean changed = false;
3777                        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3778                            if (mInputConsumer == null) {
3779                                return;
3780                            }
3781                            // Any user activity always causes us to show the
3782                            // navigation controls, if they had been hidden.
3783                            // We also clear the low profile and only content
3784                            // flags so that tapping on the screen will atomically
3785                            // restore all currently hidden screen decorations.
3786                            int newVal = mResettingSystemUiFlags |
3787                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
3788                                    View.SYSTEM_UI_FLAG_LOW_PROFILE |
3789                                    View.SYSTEM_UI_FLAG_FULLSCREEN;
3790                            if (mResettingSystemUiFlags != newVal) {
3791                                mResettingSystemUiFlags = newVal;
3792                                changed = true;
3793                            }
3794                            // We don't allow the system's nav bar to be hidden
3795                            // again for 1 second, to prevent applications from
3796                            // spamming us and keeping it from being shown.
3797                            newVal = mForceClearedSystemUiFlags |
3798                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3799                            if (mForceClearedSystemUiFlags != newVal) {
3800                                mForceClearedSystemUiFlags = newVal;
3801                                changed = true;
3802                                mHandler.postDelayed(mClearHideNavigationFlag, 1000);
3803                            }
3804                        }
3805                        if (changed) {
3806                            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3807                        }
3808                    }
3809                }
3810            } finally {
3811                finishInputEvent(event, handled);
3812            }
3813        }
3814    }
3815    final InputEventReceiver.Factory mHideNavInputEventReceiverFactory =
3816            new InputEventReceiver.Factory() {
3817        @Override
3818        public InputEventReceiver createInputEventReceiver(
3819                InputChannel inputChannel, Looper looper) {
3820            return new HideNavInputEventReceiver(inputChannel, looper);
3821        }
3822    };
3823
3824    @Override
3825    public int adjustSystemUiVisibilityLw(int visibility) {
3826        mStatusBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3827        mNavigationBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3828        mRecentsVisible = (visibility & View.RECENT_APPS_VISIBLE) > 0;
3829        mTvPictureInPictureVisible = (visibility & View.TV_PICTURE_IN_PICTURE_VISIBLE) > 0;
3830
3831        // Reset any bits in mForceClearingStatusBarVisibility that
3832        // are now clear.
3833        mResettingSystemUiFlags &= visibility;
3834        // Clear any bits in the new visibility that are currently being
3835        // force cleared, before reporting it.
3836        return visibility & ~mResettingSystemUiFlags
3837                & ~mForceClearedSystemUiFlags;
3838    }
3839
3840    @Override
3841    public boolean getInsetHintLw(WindowManager.LayoutParams attrs, Rect taskBounds,
3842            int displayRotation, int displayWidth, int displayHeight, Rect outContentInsets,
3843            Rect outStableInsets, Rect outOutsets) {
3844        final int fl = PolicyControl.getWindowFlags(null, attrs);
3845        final int sysuiVis = PolicyControl.getSystemUiVisibility(null, attrs);
3846        final int systemUiVisibility = (sysuiVis | attrs.subtreeSystemUiVisibility);
3847
3848        final boolean useOutsets = outOutsets != null && shouldUseOutsets(attrs, fl);
3849        if (useOutsets) {
3850            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
3851            if (outset > 0) {
3852                if (displayRotation == Surface.ROTATION_0) {
3853                    outOutsets.bottom += outset;
3854                } else if (displayRotation == Surface.ROTATION_90) {
3855                    outOutsets.right += outset;
3856                } else if (displayRotation == Surface.ROTATION_180) {
3857                    outOutsets.top += outset;
3858                } else if (displayRotation == Surface.ROTATION_270) {
3859                    outOutsets.left += outset;
3860                }
3861            }
3862        }
3863
3864        if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3865                == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3866            int availRight, availBottom;
3867            if (canHideNavigationBar() &&
3868                    (systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0) {
3869                availRight = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3870                availBottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3871            } else {
3872                availRight = mRestrictedScreenLeft + mRestrictedScreenWidth;
3873                availBottom = mRestrictedScreenTop + mRestrictedScreenHeight;
3874            }
3875            if ((systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3876                if ((fl & FLAG_FULLSCREEN) != 0) {
3877                    outContentInsets.set(mStableFullscreenLeft, mStableFullscreenTop,
3878                            availRight - mStableFullscreenRight,
3879                            availBottom - mStableFullscreenBottom);
3880                } else {
3881                    outContentInsets.set(mStableLeft, mStableTop,
3882                            availRight - mStableRight, availBottom - mStableBottom);
3883                }
3884            } else if ((fl & FLAG_FULLSCREEN) != 0 || (fl & FLAG_LAYOUT_IN_OVERSCAN) != 0) {
3885                outContentInsets.setEmpty();
3886            } else if ((systemUiVisibility & (View.SYSTEM_UI_FLAG_FULLSCREEN
3887                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)) == 0) {
3888                outContentInsets.set(mCurLeft, mCurTop,
3889                        availRight - mCurRight, availBottom - mCurBottom);
3890            } else {
3891                outContentInsets.set(mCurLeft, mCurTop,
3892                        availRight - mCurRight, availBottom - mCurBottom);
3893            }
3894
3895            outStableInsets.set(mStableLeft, mStableTop,
3896                    availRight - mStableRight, availBottom - mStableBottom);
3897            if (taskBounds != null) {
3898                calculateRelevantTaskInsets(taskBounds, outContentInsets,
3899                        displayWidth, displayHeight);
3900                calculateRelevantTaskInsets(taskBounds, outStableInsets,
3901                        displayWidth, displayHeight);
3902            }
3903            return mForceShowSystemBars;
3904        }
3905        outContentInsets.setEmpty();
3906        outStableInsets.setEmpty();
3907        return mForceShowSystemBars;
3908    }
3909
3910    /**
3911     * For any given task bounds, the insets relevant for these bounds given the insets relevant
3912     * for the entire display.
3913     */
3914    private void calculateRelevantTaskInsets(Rect taskBounds, Rect inOutInsets, int displayWidth,
3915            int displayHeight) {
3916        mTmpRect.set(0, 0, displayWidth, displayHeight);
3917        mTmpRect.inset(inOutInsets);
3918        mTmpRect.intersect(taskBounds);
3919        int leftInset = mTmpRect.left - taskBounds.left;
3920        int topInset = mTmpRect.top - taskBounds.top;
3921        int rightInset = taskBounds.right - mTmpRect.right;
3922        int bottomInset = taskBounds.bottom - mTmpRect.bottom;
3923        inOutInsets.set(leftInset, topInset, rightInset, bottomInset);
3924    }
3925
3926    private boolean shouldUseOutsets(WindowManager.LayoutParams attrs, int fl) {
3927        return attrs.type == TYPE_WALLPAPER || (fl & (WindowManager.LayoutParams.FLAG_FULLSCREEN
3928                | WindowManager.LayoutParams.FLAG_LAYOUT_IN_OVERSCAN)) != 0;
3929    }
3930
3931    /** {@inheritDoc} */
3932    @Override
3933    public void beginLayoutLw(boolean isDefaultDisplay, int displayWidth, int displayHeight,
3934                              int displayRotation, int uiMode) {
3935        mDisplayRotation = displayRotation;
3936        final int overscanLeft, overscanTop, overscanRight, overscanBottom;
3937        if (isDefaultDisplay) {
3938            switch (displayRotation) {
3939                case Surface.ROTATION_90:
3940                    overscanLeft = mOverscanTop;
3941                    overscanTop = mOverscanRight;
3942                    overscanRight = mOverscanBottom;
3943                    overscanBottom = mOverscanLeft;
3944                    break;
3945                case Surface.ROTATION_180:
3946                    overscanLeft = mOverscanRight;
3947                    overscanTop = mOverscanBottom;
3948                    overscanRight = mOverscanLeft;
3949                    overscanBottom = mOverscanTop;
3950                    break;
3951                case Surface.ROTATION_270:
3952                    overscanLeft = mOverscanBottom;
3953                    overscanTop = mOverscanLeft;
3954                    overscanRight = mOverscanTop;
3955                    overscanBottom = mOverscanRight;
3956                    break;
3957                default:
3958                    overscanLeft = mOverscanLeft;
3959                    overscanTop = mOverscanTop;
3960                    overscanRight = mOverscanRight;
3961                    overscanBottom = mOverscanBottom;
3962                    break;
3963            }
3964        } else {
3965            overscanLeft = 0;
3966            overscanTop = 0;
3967            overscanRight = 0;
3968            overscanBottom = 0;
3969        }
3970        mOverscanScreenLeft = mRestrictedOverscanScreenLeft = 0;
3971        mOverscanScreenTop = mRestrictedOverscanScreenTop = 0;
3972        mOverscanScreenWidth = mRestrictedOverscanScreenWidth = displayWidth;
3973        mOverscanScreenHeight = mRestrictedOverscanScreenHeight = displayHeight;
3974        mSystemLeft = 0;
3975        mSystemTop = 0;
3976        mSystemRight = displayWidth;
3977        mSystemBottom = displayHeight;
3978        mUnrestrictedScreenLeft = overscanLeft;
3979        mUnrestrictedScreenTop = overscanTop;
3980        mUnrestrictedScreenWidth = displayWidth - overscanLeft - overscanRight;
3981        mUnrestrictedScreenHeight = displayHeight - overscanTop - overscanBottom;
3982        mRestrictedScreenLeft = mUnrestrictedScreenLeft;
3983        mRestrictedScreenTop = mUnrestrictedScreenTop;
3984        mRestrictedScreenWidth = mSystemGestures.screenWidth = mUnrestrictedScreenWidth;
3985        mRestrictedScreenHeight = mSystemGestures.screenHeight = mUnrestrictedScreenHeight;
3986        mDockLeft = mContentLeft = mVoiceContentLeft = mStableLeft = mStableFullscreenLeft
3987                = mCurLeft = mUnrestrictedScreenLeft;
3988        mDockTop = mContentTop = mVoiceContentTop = mStableTop = mStableFullscreenTop
3989                = mCurTop = mUnrestrictedScreenTop;
3990        mDockRight = mContentRight = mVoiceContentRight = mStableRight = mStableFullscreenRight
3991                = mCurRight = displayWidth - overscanRight;
3992        mDockBottom = mContentBottom = mVoiceContentBottom = mStableBottom = mStableFullscreenBottom
3993                = mCurBottom = displayHeight - overscanBottom;
3994        mDockLayer = 0x10000000;
3995        mStatusBarLayer = -1;
3996
3997        // start with the current dock rect, which will be (0,0,displayWidth,displayHeight)
3998        final Rect pf = mTmpParentFrame;
3999        final Rect df = mTmpDisplayFrame;
4000        final Rect of = mTmpOverscanFrame;
4001        final Rect vf = mTmpVisibleFrame;
4002        final Rect dcf = mTmpDecorFrame;
4003        pf.left = df.left = of.left = vf.left = mDockLeft;
4004        pf.top = df.top = of.top = vf.top = mDockTop;
4005        pf.right = df.right = of.right = vf.right = mDockRight;
4006        pf.bottom = df.bottom = of.bottom = vf.bottom = mDockBottom;
4007        dcf.setEmpty();  // Decor frame N/A for system bars.
4008
4009        if (isDefaultDisplay) {
4010            // For purposes of putting out fake window up to steal focus, we will
4011            // drive nav being hidden only by whether it is requested.
4012            final int sysui = mLastSystemUiFlags;
4013            boolean navVisible = (sysui & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0;
4014            boolean navTranslucent = (sysui
4015                    & (View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT)) != 0;
4016            boolean immersive = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
4017            boolean immersiveSticky = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
4018            boolean navAllowedHidden = immersive || immersiveSticky;
4019            navTranslucent &= !immersiveSticky;  // transient trumps translucent
4020            boolean isKeyguardShowing = isStatusBarKeyguard() && !mHideLockScreen;
4021            if (!isKeyguardShowing) {
4022                navTranslucent &= areTranslucentBarsAllowed();
4023            }
4024            boolean statusBarExpandedNotKeyguard = !isKeyguardShowing && mStatusBar != null
4025                    && mStatusBar.getAttrs().height == MATCH_PARENT
4026                    && mStatusBar.getAttrs().width == MATCH_PARENT;
4027
4028            // When the navigation bar isn't visible, we put up a fake
4029            // input window to catch all touch events.  This way we can
4030            // detect when the user presses anywhere to bring back the nav
4031            // bar and ensure the application doesn't see the event.
4032            if (navVisible || navAllowedHidden) {
4033                if (mInputConsumer != null) {
4034                    mHandler.sendMessage(
4035                            mHandler.obtainMessage(MSG_DISPOSE_INPUT_CONSUMER, mInputConsumer));
4036                    mInputConsumer = null;
4037                }
4038            } else if (mInputConsumer == null) {
4039                mInputConsumer = mWindowManagerFuncs.addInputConsumer(mHandler.getLooper(),
4040                        mHideNavInputEventReceiverFactory);
4041            }
4042
4043            // For purposes of positioning and showing the nav bar, if we have
4044            // decided that it can't be hidden (because of the screen aspect ratio),
4045            // then take that into account.
4046            navVisible |= !canHideNavigationBar();
4047
4048            boolean updateSysUiVisibility = layoutNavigationBar(displayWidth, displayHeight,
4049                    displayRotation, uiMode, overscanLeft, overscanRight, overscanBottom, dcf, navVisible, navTranslucent,
4050                    navAllowedHidden, statusBarExpandedNotKeyguard);
4051            if (DEBUG_LAYOUT) Slog.i(TAG, String.format("mDock rect: (%d,%d - %d,%d)",
4052                    mDockLeft, mDockTop, mDockRight, mDockBottom));
4053            updateSysUiVisibility |= layoutStatusBar(pf, df, of, vf, dcf, sysui, isKeyguardShowing);
4054            if (updateSysUiVisibility) {
4055                updateSystemUiVisibilityLw();
4056            }
4057        }
4058    }
4059
4060    private boolean layoutStatusBar(Rect pf, Rect df, Rect of, Rect vf, Rect dcf, int sysui,
4061            boolean isKeyguardShowing) {
4062        // decide where the status bar goes ahead of time
4063        if (mStatusBar != null) {
4064            // apply any navigation bar insets
4065            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4066            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4067            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
4068            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight
4069                    + mUnrestrictedScreenTop;
4070            vf.left = mStableLeft;
4071            vf.top = mStableTop;
4072            vf.right = mStableRight;
4073            vf.bottom = mStableBottom;
4074
4075            mStatusBarLayer = mStatusBar.getSurfaceLayer();
4076
4077            // Let the status bar determine its size.
4078            mStatusBar.computeFrameLw(pf /* parentFrame */, df /* displayFrame */,
4079                    vf /* overlayFrame */, vf /* contentFrame */, vf /* visibleFrame */,
4080                    dcf /* decorFrame */, vf /* stableFrame */, vf /* outsetFrame */);
4081
4082            // For layout, the status bar is always at the top with our fixed height.
4083            mStableTop = mUnrestrictedScreenTop + mStatusBarHeight;
4084
4085            boolean statusBarTransient = (sysui & View.STATUS_BAR_TRANSIENT) != 0;
4086            boolean statusBarTranslucent = (sysui
4087                    & (View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT)) != 0;
4088            if (!isKeyguardShowing) {
4089                statusBarTranslucent &= areTranslucentBarsAllowed();
4090            }
4091
4092            // If the status bar is hidden, we don't want to cause
4093            // windows behind it to scroll.
4094            if (mStatusBar.isVisibleLw() && !statusBarTransient) {
4095                // Status bar may go away, so the screen area it occupies
4096                // is available to apps but just covering them when the
4097                // status bar is visible.
4098                mDockTop = mUnrestrictedScreenTop + mStatusBarHeight;
4099
4100                mContentTop = mVoiceContentTop = mCurTop = mDockTop;
4101                mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
4102                mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
4103                mContentRight = mVoiceContentRight = mCurRight = mDockRight;
4104
4105                if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar: " +
4106                        String.format(
4107                                "dock=[%d,%d][%d,%d] content=[%d,%d][%d,%d] cur=[%d,%d][%d,%d]",
4108                                mDockLeft, mDockTop, mDockRight, mDockBottom,
4109                                mContentLeft, mContentTop, mContentRight, mContentBottom,
4110                                mCurLeft, mCurTop, mCurRight, mCurBottom));
4111            }
4112            if (mStatusBar.isVisibleLw() && !mStatusBar.isAnimatingLw()
4113                    && !statusBarTransient && !statusBarTranslucent
4114                    && !mStatusBarController.wasRecentlyTranslucent()) {
4115                // If the opaque status bar is currently requested to be visible,
4116                // and not in the process of animating on or off, then
4117                // we can tell the app that it is covered by it.
4118                mSystemTop = mUnrestrictedScreenTop + mStatusBarHeight;
4119            }
4120            if (mStatusBarController.checkHiddenLw()) {
4121                return true;
4122            }
4123        }
4124        return false;
4125    }
4126
4127    private boolean layoutNavigationBar(int displayWidth, int displayHeight, int displayRotation,
4128            int uiMode, int overscanLeft, int overscanRight, int overscanBottom, Rect dcf,
4129            boolean navVisible, boolean navTranslucent, boolean navAllowedHidden,
4130            boolean statusBarExpandedNotKeyguard) {
4131        if (mNavigationBar != null) {
4132            boolean transientNavBarShowing = mNavigationBarController.isTransientShowing();
4133            // Force the navigation bar to its appropriate place and
4134            // size.  We need to do this directly, instead of relying on
4135            // it to bubble up from the nav bar, because this needs to
4136            // change atomically with screen rotations.
4137            mNavigationBarPosition = navigationBarPosition(displayWidth, displayHeight,
4138                    displayRotation);
4139            if (mNavigationBarPosition == NAV_BAR_BOTTOM) {
4140                // It's a system nav bar or a portrait screen; nav bar goes on bottom.
4141                int top = displayHeight - overscanBottom
4142                        - getNavigationBarHeight(displayRotation, uiMode);
4143                mTmpNavigationFrame.set(0, top, displayWidth, displayHeight - overscanBottom);
4144                mStableBottom = mStableFullscreenBottom = mTmpNavigationFrame.top;
4145                if (transientNavBarShowing) {
4146                    mNavigationBarController.setBarShowingLw(true);
4147                } else if (navVisible) {
4148                    mNavigationBarController.setBarShowingLw(true);
4149                    mDockBottom = mTmpNavigationFrame.top;
4150                    mRestrictedScreenHeight = mDockBottom - mRestrictedScreenTop;
4151                    mRestrictedOverscanScreenHeight = mDockBottom - mRestrictedOverscanScreenTop;
4152                } else {
4153                    // We currently want to hide the navigation UI - unless we expanded the status
4154                    // bar.
4155                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4156                }
4157                if (navVisible && !navTranslucent && !navAllowedHidden
4158                        && !mNavigationBar.isAnimatingLw()
4159                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4160                    // If the opaque nav bar is currently requested to be visible,
4161                    // and not in the process of animating on or off, then
4162                    // we can tell the app that it is covered by it.
4163                    mSystemBottom = mTmpNavigationFrame.top;
4164                }
4165            } else if (mNavigationBarPosition == NAV_BAR_RIGHT) {
4166                // Landscape screen; nav bar goes to the right.
4167                int left = displayWidth - overscanRight
4168                        - getNavigationBarWidth(displayRotation, uiMode);
4169                mTmpNavigationFrame.set(left, 0, displayWidth - overscanRight, displayHeight);
4170                mStableRight = mStableFullscreenRight = mTmpNavigationFrame.left;
4171                if (transientNavBarShowing) {
4172                    mNavigationBarController.setBarShowingLw(true);
4173                } else if (navVisible) {
4174                    mNavigationBarController.setBarShowingLw(true);
4175                    mDockRight = mTmpNavigationFrame.left;
4176                    mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
4177                    mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
4178                } else {
4179                    // We currently want to hide the navigation UI - unless we expanded the status
4180                    // bar.
4181                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4182                }
4183                if (navVisible && !navTranslucent && !navAllowedHidden
4184                        && !mNavigationBar.isAnimatingLw()
4185                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4186                    // If the nav bar is currently requested to be visible,
4187                    // and not in the process of animating on or off, then
4188                    // we can tell the app that it is covered by it.
4189                    mSystemRight = mTmpNavigationFrame.left;
4190                }
4191            } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
4192                // Seascape screen; nav bar goes to the left.
4193                int right = overscanLeft + getNavigationBarWidth(displayRotation, uiMode);
4194                mTmpNavigationFrame.set(overscanLeft, 0, right, displayHeight);
4195                mStableLeft = mStableFullscreenLeft = mTmpNavigationFrame.right;
4196                if (transientNavBarShowing) {
4197                    mNavigationBarController.setBarShowingLw(true);
4198                } else if (navVisible) {
4199                    mNavigationBarController.setBarShowingLw(true);
4200                    mDockLeft = mTmpNavigationFrame.right;
4201                    // TODO: not so sure about those:
4202                    mRestrictedScreenLeft = mRestrictedOverscanScreenLeft = mDockLeft;
4203                    mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
4204                    mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
4205                } else {
4206                    // We currently want to hide the navigation UI - unless we expanded the status
4207                    // bar.
4208                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4209                }
4210                if (navVisible && !navTranslucent && !navAllowedHidden
4211                        && !mNavigationBar.isAnimatingLw()
4212                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4213                    // If the nav bar is currently requested to be visible,
4214                    // and not in the process of animating on or off, then
4215                    // we can tell the app that it is covered by it.
4216                    mSystemLeft = mTmpNavigationFrame.right;
4217                }
4218            }
4219            // Make sure the content and current rectangles are updated to
4220            // account for the restrictions from the navigation bar.
4221            mContentTop = mVoiceContentTop = mCurTop = mDockTop;
4222            mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
4223            mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
4224            mContentRight = mVoiceContentRight = mCurRight = mDockRight;
4225            mStatusBarLayer = mNavigationBar.getSurfaceLayer();
4226            // And compute the final frame.
4227            mNavigationBar.computeFrameLw(mTmpNavigationFrame, mTmpNavigationFrame,
4228                    mTmpNavigationFrame, mTmpNavigationFrame, mTmpNavigationFrame, dcf,
4229                    mTmpNavigationFrame, mTmpNavigationFrame);
4230            if (DEBUG_LAYOUT) Slog.i(TAG, "mNavigationBar frame: " + mTmpNavigationFrame);
4231            if (mNavigationBarController.checkHiddenLw()) {
4232                return true;
4233            }
4234        }
4235        return false;
4236    }
4237
4238    private int navigationBarPosition(int displayWidth, int displayHeight, int displayRotation) {
4239        if (mNavigationBarCanMove && displayWidth > displayHeight) {
4240            if (displayRotation == Surface.ROTATION_270) {
4241                return NAV_BAR_LEFT;
4242            } else {
4243                return NAV_BAR_RIGHT;
4244            }
4245        }
4246        return NAV_BAR_BOTTOM;
4247    }
4248
4249    /** {@inheritDoc} */
4250    @Override
4251    public int getSystemDecorLayerLw() {
4252        if (mStatusBar != null && mStatusBar.isVisibleLw()) {
4253            return mStatusBar.getSurfaceLayer();
4254        }
4255
4256        if (mNavigationBar != null && mNavigationBar.isVisibleLw()) {
4257            return mNavigationBar.getSurfaceLayer();
4258        }
4259
4260        return 0;
4261    }
4262
4263    @Override
4264    public void getContentRectLw(Rect r) {
4265        r.set(mContentLeft, mContentTop, mContentRight, mContentBottom);
4266    }
4267
4268    void setAttachedWindowFrames(WindowState win, int fl, int adjust, WindowState attached,
4269            boolean insetDecors, Rect pf, Rect df, Rect of, Rect cf, Rect vf) {
4270        if (win.getSurfaceLayer() > mDockLayer && attached.getSurfaceLayer() < mDockLayer) {
4271            // Here's a special case: if this attached window is a panel that is
4272            // above the dock window, and the window it is attached to is below
4273            // the dock window, then the frames we computed for the window it is
4274            // attached to can not be used because the dock is effectively part
4275            // of the underlying window and the attached window is floating on top
4276            // of the whole thing.  So, we ignore the attached window and explicitly
4277            // compute the frames that would be appropriate without the dock.
4278            df.left = of.left = cf.left = vf.left = mDockLeft;
4279            df.top = of.top = cf.top = vf.top = mDockTop;
4280            df.right = of.right = cf.right = vf.right = mDockRight;
4281            df.bottom = of.bottom = cf.bottom = vf.bottom = mDockBottom;
4282        } else {
4283            // The effective display frame of the attached window depends on
4284            // whether it is taking care of insetting its content.  If not,
4285            // we need to use the parent's content frame so that the entire
4286            // window is positioned within that content.  Otherwise we can use
4287            // the overscan frame and let the attached window take care of
4288            // positioning its content appropriately.
4289            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4290                // Set the content frame of the attached window to the parent's decor frame
4291                // (same as content frame when IME isn't present) if specifically requested by
4292                // setting {@link WindowManager.LayoutParams#FLAG_LAYOUT_ATTACHED_IN_DECOR} flag.
4293                // Otherwise, use the overscan frame.
4294                cf.set((fl & FLAG_LAYOUT_ATTACHED_IN_DECOR) != 0
4295                        ? attached.getContentFrameLw() : attached.getOverscanFrameLw());
4296            } else {
4297                // If the window is resizing, then we want to base the content
4298                // frame on our attached content frame to resize...  however,
4299                // things can be tricky if the attached window is NOT in resize
4300                // mode, in which case its content frame will be larger.
4301                // Ungh.  So to deal with that, make sure the content frame
4302                // we end up using is not covering the IM dock.
4303                cf.set(attached.getContentFrameLw());
4304                if (attached.isVoiceInteraction()) {
4305                    if (cf.left < mVoiceContentLeft) cf.left = mVoiceContentLeft;
4306                    if (cf.top < mVoiceContentTop) cf.top = mVoiceContentTop;
4307                    if (cf.right > mVoiceContentRight) cf.right = mVoiceContentRight;
4308                    if (cf.bottom > mVoiceContentBottom) cf.bottom = mVoiceContentBottom;
4309                } else if (attached.getSurfaceLayer() < mDockLayer) {
4310                    if (cf.left < mContentLeft) cf.left = mContentLeft;
4311                    if (cf.top < mContentTop) cf.top = mContentTop;
4312                    if (cf.right > mContentRight) cf.right = mContentRight;
4313                    if (cf.bottom > mContentBottom) cf.bottom = mContentBottom;
4314                }
4315            }
4316            df.set(insetDecors ? attached.getDisplayFrameLw() : cf);
4317            of.set(insetDecors ? attached.getOverscanFrameLw() : cf);
4318            vf.set(attached.getVisibleFrameLw());
4319        }
4320        // The LAYOUT_IN_SCREEN flag is used to determine whether the attached
4321        // window should be positioned relative to its parent or the entire
4322        // screen.
4323        pf.set((fl & FLAG_LAYOUT_IN_SCREEN) == 0
4324                ? attached.getFrameLw() : df);
4325    }
4326
4327    private void applyStableConstraints(int sysui, int fl, Rect r) {
4328        if ((sysui & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
4329            // If app is requesting a stable layout, don't let the
4330            // content insets go below the stable values.
4331            if ((fl & FLAG_FULLSCREEN) != 0) {
4332                if (r.left < mStableFullscreenLeft) r.left = mStableFullscreenLeft;
4333                if (r.top < mStableFullscreenTop) r.top = mStableFullscreenTop;
4334                if (r.right > mStableFullscreenRight) r.right = mStableFullscreenRight;
4335                if (r.bottom > mStableFullscreenBottom) r.bottom = mStableFullscreenBottom;
4336            } else {
4337                if (r.left < mStableLeft) r.left = mStableLeft;
4338                if (r.top < mStableTop) r.top = mStableTop;
4339                if (r.right > mStableRight) r.right = mStableRight;
4340                if (r.bottom > mStableBottom) r.bottom = mStableBottom;
4341            }
4342        }
4343    }
4344
4345    private boolean canReceiveInput(WindowState win) {
4346        boolean notFocusable =
4347                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) != 0;
4348        boolean altFocusableIm =
4349                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM) != 0;
4350        boolean notFocusableForIm = notFocusable ^ altFocusableIm;
4351        return !notFocusableForIm;
4352    }
4353
4354    /** {@inheritDoc} */
4355    @Override
4356    public void layoutWindowLw(WindowState win, WindowState attached) {
4357        // We've already done the navigation bar and status bar. If the status bar can receive
4358        // input, we need to layout it again to accomodate for the IME window.
4359        if ((win == mStatusBar && !canReceiveInput(win)) || win == mNavigationBar) {
4360            return;
4361        }
4362        final WindowManager.LayoutParams attrs = win.getAttrs();
4363        final boolean isDefaultDisplay = win.isDefaultDisplay();
4364        final boolean needsToOffsetInputMethodTarget = isDefaultDisplay &&
4365                (win == mLastInputMethodTargetWindow && mLastInputMethodWindow != null);
4366        if (needsToOffsetInputMethodTarget) {
4367            if (DEBUG_LAYOUT) Slog.i(TAG, "Offset ime target window by the last ime window state");
4368            offsetInputMethodWindowLw(mLastInputMethodWindow);
4369        }
4370
4371        final int fl = PolicyControl.getWindowFlags(win, attrs);
4372        final int pfl = attrs.privateFlags;
4373        final int sim = attrs.softInputMode;
4374        final int sysUiFl = PolicyControl.getSystemUiVisibility(win, null);
4375
4376        final Rect pf = mTmpParentFrame;
4377        final Rect df = mTmpDisplayFrame;
4378        final Rect of = mTmpOverscanFrame;
4379        final Rect cf = mTmpContentFrame;
4380        final Rect vf = mTmpVisibleFrame;
4381        final Rect dcf = mTmpDecorFrame;
4382        final Rect sf = mTmpStableFrame;
4383        Rect osf = null;
4384        dcf.setEmpty();
4385
4386        final boolean hasNavBar = (isDefaultDisplay && mHasNavigationBar
4387                && mNavigationBar != null && mNavigationBar.isVisibleLw());
4388
4389        final int adjust = sim & SOFT_INPUT_MASK_ADJUST;
4390
4391        if (isDefaultDisplay) {
4392            sf.set(mStableLeft, mStableTop, mStableRight, mStableBottom);
4393        } else {
4394            sf.set(mOverscanLeft, mOverscanTop, mOverscanRight, mOverscanBottom);
4395        }
4396
4397        if (!isDefaultDisplay) {
4398            if (attached != null) {
4399                // If this window is attached to another, our display
4400                // frame is the same as the one we are attached to.
4401                setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4402            } else {
4403                // Give the window full screen.
4404                pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4405                pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4406                pf.right = df.right = of.right = cf.right
4407                        = mOverscanScreenLeft + mOverscanScreenWidth;
4408                pf.bottom = df.bottom = of.bottom = cf.bottom
4409                        = mOverscanScreenTop + mOverscanScreenHeight;
4410            }
4411        } else if (attrs.type == TYPE_INPUT_METHOD) {
4412            pf.left = df.left = of.left = cf.left = vf.left = mDockLeft;
4413            pf.top = df.top = of.top = cf.top = vf.top = mDockTop;
4414            pf.right = df.right = of.right = cf.right = vf.right = mDockRight;
4415            // IM dock windows layout below the nav bar...
4416            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4417            // ...with content insets above the nav bar
4418            cf.bottom = vf.bottom = mStableBottom;
4419            if (mStatusBar != null && mFocusedWindow == mStatusBar && canReceiveInput(mStatusBar)) {
4420                // The status bar forces the navigation bar while it's visible. Make sure the IME
4421                // avoids the navigation bar in that case.
4422                if (mNavigationBarPosition == NAV_BAR_RIGHT) {
4423                    pf.right = df.right = of.right = cf.right = vf.right = mStableRight;
4424                } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
4425                    pf.left = df.left = of.left = cf.left = vf.left = mStableLeft;
4426                }
4427            }
4428            // IM dock windows always go to the bottom of the screen.
4429            attrs.gravity = Gravity.BOTTOM;
4430            mDockLayer = win.getSurfaceLayer();
4431        } else if (attrs.type == TYPE_VOICE_INTERACTION) {
4432            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4433            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4434            pf.right = df.right = of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4435            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4436            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4437                cf.left = mDockLeft;
4438                cf.top = mDockTop;
4439                cf.right = mDockRight;
4440                cf.bottom = mDockBottom;
4441            } else {
4442                cf.left = mContentLeft;
4443                cf.top = mContentTop;
4444                cf.right = mContentRight;
4445                cf.bottom = mContentBottom;
4446            }
4447            if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4448                vf.left = mCurLeft;
4449                vf.top = mCurTop;
4450                vf.right = mCurRight;
4451                vf.bottom = mCurBottom;
4452            } else {
4453                vf.set(cf);
4454            }
4455        } else if (attrs.type == TYPE_WALLPAPER) {
4456           layoutWallpaper(win, pf, df, of, cf);
4457        } else if (win == mStatusBar) {
4458            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4459            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4460            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
4461            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight + mUnrestrictedScreenTop;
4462            cf.left = vf.left = mStableLeft;
4463            cf.top = vf.top = mStableTop;
4464            cf.right = vf.right = mStableRight;
4465            vf.bottom = mStableBottom;
4466
4467            if (adjust == SOFT_INPUT_ADJUST_RESIZE) {
4468                cf.bottom = mContentBottom;
4469            } else {
4470                cf.bottom = mDockBottom;
4471                vf.bottom = mContentBottom;
4472            }
4473        } else {
4474
4475            // Default policy decor for the default display
4476            dcf.left = mSystemLeft;
4477            dcf.top = mSystemTop;
4478            dcf.right = mSystemRight;
4479            dcf.bottom = mSystemBottom;
4480            final boolean inheritTranslucentDecor = (attrs.privateFlags
4481                    & WindowManager.LayoutParams.PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR) != 0;
4482            final boolean isAppWindow =
4483                    attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW &&
4484                    attrs.type <= WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
4485            final boolean topAtRest =
4486                    win == mTopFullscreenOpaqueWindowState && !win.isAnimatingLw();
4487            if (isAppWindow && !inheritTranslucentDecor && !topAtRest) {
4488                if ((sysUiFl & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0
4489                        && (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) == 0
4490                        && (fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) == 0
4491                        && (fl & WindowManager.LayoutParams.
4492                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0
4493                        && (pfl & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND) == 0) {
4494                    // Ensure policy decor includes status bar
4495                    dcf.top = mStableTop;
4496                }
4497                if ((fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) == 0
4498                        && (sysUiFl & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0
4499                        && (fl & WindowManager.LayoutParams.
4500                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
4501                    // Ensure policy decor includes navigation bar
4502                    dcf.bottom = mStableBottom;
4503                    dcf.right = mStableRight;
4504                }
4505            }
4506
4507            if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
4508                    == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
4509                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle()
4510                            + "): IN_SCREEN, INSET_DECOR");
4511                // This is the case for a normal activity window: we want it
4512                // to cover all of the screen space, and it can take care of
4513                // moving its contents to account for screen decorations that
4514                // intrude into that space.
4515                if (attached != null) {
4516                    // If this window is attached to another, our display
4517                    // frame is the same as the one we are attached to.
4518                    setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4519                } else {
4520                    if (attrs.type == TYPE_STATUS_BAR_PANEL
4521                            || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
4522                        // Status bar panels are the only windows who can go on top of
4523                        // the status bar.  They are protected by the STATUS_BAR_SERVICE
4524                        // permission, so they have the same privileges as the status
4525                        // bar itself.
4526                        //
4527                        // However, they should still dodge the navigation bar if it exists.
4528
4529                        pf.left = df.left = of.left = hasNavBar
4530                                ? mDockLeft : mUnrestrictedScreenLeft;
4531                        pf.top = df.top = of.top = mUnrestrictedScreenTop;
4532                        pf.right = df.right = of.right = hasNavBar
4533                                ? mRestrictedScreenLeft+mRestrictedScreenWidth
4534                                : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4535                        pf.bottom = df.bottom = of.bottom = hasNavBar
4536                                ? mRestrictedScreenTop+mRestrictedScreenHeight
4537                                : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4538
4539                        if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4540                                        "Laying out status bar window: (%d,%d - %d,%d)",
4541                                        pf.left, pf.top, pf.right, pf.bottom));
4542                    } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4543                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4544                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4545                        // Asking to layout into the overscan region, so give it that pure
4546                        // unrestricted area.
4547                        pf.left = df.left = of.left = mOverscanScreenLeft;
4548                        pf.top = df.top = of.top = mOverscanScreenTop;
4549                        pf.right = df.right = of.right = mOverscanScreenLeft + mOverscanScreenWidth;
4550                        pf.bottom = df.bottom = of.bottom = mOverscanScreenTop
4551                                + mOverscanScreenHeight;
4552                    } else if (canHideNavigationBar()
4553                            && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4554                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4555                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4556                        // Asking for layout as if the nav bar is hidden, lets the
4557                        // application extend into the unrestricted overscan screen area.  We
4558                        // only do this for application windows to ensure no window that
4559                        // can be above the nav bar can do this.
4560                        pf.left = df.left = mOverscanScreenLeft;
4561                        pf.top = df.top = mOverscanScreenTop;
4562                        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4563                        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4564                        // We need to tell the app about where the frame inside the overscan
4565                        // is, so it can inset its content by that amount -- it didn't ask
4566                        // to actually extend itself into the overscan region.
4567                        of.left = mUnrestrictedScreenLeft;
4568                        of.top = mUnrestrictedScreenTop;
4569                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4570                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4571                    } else {
4572                        pf.left = df.left = mRestrictedOverscanScreenLeft;
4573                        pf.top = df.top = mRestrictedOverscanScreenTop;
4574                        pf.right = df.right = mRestrictedOverscanScreenLeft
4575                                + mRestrictedOverscanScreenWidth;
4576                        pf.bottom = df.bottom = mRestrictedOverscanScreenTop
4577                                + mRestrictedOverscanScreenHeight;
4578                        // We need to tell the app about where the frame inside the overscan
4579                        // is, so it can inset its content by that amount -- it didn't ask
4580                        // to actually extend itself into the overscan region.
4581                        of.left = mUnrestrictedScreenLeft;
4582                        of.top = mUnrestrictedScreenTop;
4583                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4584                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4585                    }
4586
4587                    if ((fl & FLAG_FULLSCREEN) == 0) {
4588                        if (win.isVoiceInteraction()) {
4589                            cf.left = mVoiceContentLeft;
4590                            cf.top = mVoiceContentTop;
4591                            cf.right = mVoiceContentRight;
4592                            cf.bottom = mVoiceContentBottom;
4593                        } else {
4594                            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4595                                cf.left = mDockLeft;
4596                                cf.top = mDockTop;
4597                                cf.right = mDockRight;
4598                                cf.bottom = mDockBottom;
4599                            } else {
4600                                cf.left = mContentLeft;
4601                                cf.top = mContentTop;
4602                                cf.right = mContentRight;
4603                                cf.bottom = mContentBottom;
4604                            }
4605                        }
4606                    } else {
4607                        // Full screen windows are always given a layout that is as if the
4608                        // status bar and other transient decors are gone.  This is to avoid
4609                        // bad states when moving from a window that is not hding the
4610                        // status bar to one that is.
4611                        cf.left = mRestrictedScreenLeft;
4612                        cf.top = mRestrictedScreenTop;
4613                        cf.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
4614                        cf.bottom = mRestrictedScreenTop + mRestrictedScreenHeight;
4615                    }
4616                    applyStableConstraints(sysUiFl, fl, cf);
4617                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4618                        vf.left = mCurLeft;
4619                        vf.top = mCurTop;
4620                        vf.right = mCurRight;
4621                        vf.bottom = mCurBottom;
4622                    } else {
4623                        vf.set(cf);
4624                    }
4625                }
4626            } else if ((fl & FLAG_LAYOUT_IN_SCREEN) != 0 || (sysUiFl
4627                    & (View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
4628                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION)) != 0) {
4629                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4630                        "): IN_SCREEN");
4631                // A window that has requested to fill the entire screen just
4632                // gets everything, period.
4633                if (attrs.type == TYPE_STATUS_BAR_PANEL
4634                        || attrs.type == TYPE_STATUS_BAR_SUB_PANEL
4635                        || attrs.type == TYPE_VOLUME_OVERLAY) {
4636                    pf.left = df.left = of.left = cf.left = hasNavBar
4637                            ? mDockLeft : mUnrestrictedScreenLeft;
4638                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4639                    pf.right = df.right = of.right = cf.right = hasNavBar
4640                                        ? mRestrictedScreenLeft+mRestrictedScreenWidth
4641                                        : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4642                    pf.bottom = df.bottom = of.bottom = cf.bottom = hasNavBar
4643                                          ? mRestrictedScreenTop+mRestrictedScreenHeight
4644                                          : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4645                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4646                                    "Laying out IN_SCREEN status bar window: (%d,%d - %d,%d)",
4647                                    pf.left, pf.top, pf.right, pf.bottom));
4648                } else if (attrs.type == TYPE_NAVIGATION_BAR
4649                        || attrs.type == TYPE_NAVIGATION_BAR_PANEL) {
4650                    // The navigation bar has Real Ultimate Power.
4651                    pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4652                    pf.top = df.top = of.top = mUnrestrictedScreenTop;
4653                    pf.right = df.right = of.right = mUnrestrictedScreenLeft
4654                            + mUnrestrictedScreenWidth;
4655                    pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop
4656                            + mUnrestrictedScreenHeight;
4657                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4658                                    "Laying out navigation bar window: (%d,%d - %d,%d)",
4659                                    pf.left, pf.top, pf.right, pf.bottom));
4660                } else if ((attrs.type == TYPE_SECURE_SYSTEM_OVERLAY
4661                                || attrs.type == TYPE_BOOT_PROGRESS
4662                                || attrs.type == TYPE_SCREENSHOT)
4663                        && ((fl & FLAG_FULLSCREEN) != 0)) {
4664                    // Fullscreen secure system overlays get what they ask for. Screenshot region
4665                    // selection overlay should also expand to full screen.
4666                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4667                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4668                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4669                            + mOverscanScreenWidth;
4670                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4671                            + mOverscanScreenHeight;
4672                } else if (attrs.type == TYPE_BOOT_PROGRESS) {
4673                    // Boot progress screen always covers entire display.
4674                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4675                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4676                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4677                            + mOverscanScreenWidth;
4678                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4679                            + mOverscanScreenHeight;
4680                } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4681                        && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4682                        && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4683                    // Asking to layout into the overscan region, so give it that pure
4684                    // unrestricted area.
4685                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4686                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4687                    pf.right = df.right = of.right = cf.right
4688                            = mOverscanScreenLeft + mOverscanScreenWidth;
4689                    pf.bottom = df.bottom = of.bottom = cf.bottom
4690                            = mOverscanScreenTop + mOverscanScreenHeight;
4691                } else if (canHideNavigationBar()
4692                        && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4693                        && (attrs.type == TYPE_STATUS_BAR
4694                            || attrs.type == TYPE_TOAST
4695                            || attrs.type == TYPE_DOCK_DIVIDER
4696                            || attrs.type == TYPE_VOICE_INTERACTION_STARTING
4697                            || (attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4698                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW))) {
4699                    // Asking for layout as if the nav bar is hidden, lets the
4700                    // application extend into the unrestricted screen area.  We
4701                    // only do this for application windows (or toasts) to ensure no window that
4702                    // can be above the nav bar can do this.
4703                    // XXX This assumes that an app asking for this will also
4704                    // ask for layout in only content.  We can't currently figure out
4705                    // what the screen would be if only laying out to hide the nav bar.
4706                    pf.left = df.left = of.left = cf.left = mUnrestrictedScreenLeft;
4707                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4708                    pf.right = df.right = of.right = cf.right = mUnrestrictedScreenLeft
4709                            + mUnrestrictedScreenWidth;
4710                    pf.bottom = df.bottom = of.bottom = cf.bottom = mUnrestrictedScreenTop
4711                            + mUnrestrictedScreenHeight;
4712                } else if ((sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN) != 0) {
4713                    pf.left = df.left = of.left = mRestrictedScreenLeft;
4714                    pf.top = df.top = of.top  = mRestrictedScreenTop;
4715                    pf.right = df.right = of.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
4716                    pf.bottom = df.bottom = of.bottom = mRestrictedScreenTop
4717                            + mRestrictedScreenHeight;
4718                    if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4719                        cf.left = mDockLeft;
4720                        cf.top = mDockTop;
4721                        cf.right = mDockRight;
4722                        cf.bottom = mDockBottom;
4723                    } else {
4724                        cf.left = mContentLeft;
4725                        cf.top = mContentTop;
4726                        cf.right = mContentRight;
4727                        cf.bottom = mContentBottom;
4728                    }
4729                } else {
4730                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4731                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4732                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4733                            + mRestrictedScreenWidth;
4734                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4735                            + mRestrictedScreenHeight;
4736                }
4737
4738                applyStableConstraints(sysUiFl, fl, cf);
4739
4740                if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4741                    vf.left = mCurLeft;
4742                    vf.top = mCurTop;
4743                    vf.right = mCurRight;
4744                    vf.bottom = mCurBottom;
4745                } else {
4746                    vf.set(cf);
4747                }
4748            } else if (attached != null) {
4749                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4750                        "): attached to " + attached);
4751                // A child window should be placed inside of the same visible
4752                // frame that its parent had.
4753                setAttachedWindowFrames(win, fl, adjust, attached, false, pf, df, of, cf, vf);
4754            } else {
4755                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4756                        "): normal window");
4757                // Otherwise, a normal window must be placed inside the content
4758                // of all screen decorations.
4759                if (attrs.type == TYPE_STATUS_BAR_PANEL || attrs.type == TYPE_VOLUME_OVERLAY) {
4760                    // Status bar panels and the volume dialog are the only windows who can go on
4761                    // top of the status bar.  They are protected by the STATUS_BAR_SERVICE
4762                    // permission, so they have the same privileges as the status
4763                    // bar itself.
4764                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4765                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4766                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4767                            + mRestrictedScreenWidth;
4768                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4769                            + mRestrictedScreenHeight;
4770                } else if (attrs.type == TYPE_TOAST || attrs.type == TYPE_SYSTEM_ALERT) {
4771                    // These dialogs are stable to interim decor changes.
4772                    pf.left = df.left = of.left = cf.left = mStableLeft;
4773                    pf.top = df.top = of.top = cf.top = mStableTop;
4774                    pf.right = df.right = of.right = cf.right = mStableRight;
4775                    pf.bottom = df.bottom = of.bottom = cf.bottom = mStableBottom;
4776                } else {
4777                    pf.left = mContentLeft;
4778                    pf.top = mContentTop;
4779                    pf.right = mContentRight;
4780                    pf.bottom = mContentBottom;
4781                    if (win.isVoiceInteraction()) {
4782                        df.left = of.left = cf.left = mVoiceContentLeft;
4783                        df.top = of.top = cf.top = mVoiceContentTop;
4784                        df.right = of.right = cf.right = mVoiceContentRight;
4785                        df.bottom = of.bottom = cf.bottom = mVoiceContentBottom;
4786                    } else if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4787                        df.left = of.left = cf.left = mDockLeft;
4788                        df.top = of.top = cf.top = mDockTop;
4789                        df.right = of.right = cf.right = mDockRight;
4790                        df.bottom = of.bottom = cf.bottom = mDockBottom;
4791                    } else {
4792                        df.left = of.left = cf.left = mContentLeft;
4793                        df.top = of.top = cf.top = mContentTop;
4794                        df.right = of.right = cf.right = mContentRight;
4795                        df.bottom = of.bottom = cf.bottom = mContentBottom;
4796                    }
4797                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4798                        vf.left = mCurLeft;
4799                        vf.top = mCurTop;
4800                        vf.right = mCurRight;
4801                        vf.bottom = mCurBottom;
4802                    } else {
4803                        vf.set(cf);
4804                    }
4805                }
4806            }
4807        }
4808
4809        // TYPE_SYSTEM_ERROR is above the NavigationBar so it can't be allowed to extend over it.
4810        // Also, we don't allow windows in multi-window mode to extend out of the screen.
4811        if ((fl & FLAG_LAYOUT_NO_LIMITS) != 0 && attrs.type != TYPE_SYSTEM_ERROR
4812                && !win.isInMultiWindowMode()) {
4813            df.left = df.top = -10000;
4814            df.right = df.bottom = 10000;
4815            if (attrs.type != TYPE_WALLPAPER) {
4816                of.left = of.top = cf.left = cf.top = vf.left = vf.top = -10000;
4817                of.right = of.bottom = cf.right = cf.bottom = vf.right = vf.bottom = 10000;
4818            }
4819        }
4820
4821        // If the device has a chin (e.g. some watches), a dead area at the bottom of the screen we
4822        // need to provide information to the clients that want to pretend that you can draw there.
4823        // We only want to apply outsets to certain types of windows. For example, we never want to
4824        // apply the outsets to floating dialogs, because they wouldn't make sense there.
4825        final boolean useOutsets = shouldUseOutsets(attrs, fl);
4826        if (isDefaultDisplay && useOutsets) {
4827            osf = mTmpOutsetFrame;
4828            osf.set(cf.left, cf.top, cf.right, cf.bottom);
4829            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
4830            if (outset > 0) {
4831                int rotation = mDisplayRotation;
4832                if (rotation == Surface.ROTATION_0) {
4833                    osf.bottom += outset;
4834                } else if (rotation == Surface.ROTATION_90) {
4835                    osf.right += outset;
4836                } else if (rotation == Surface.ROTATION_180) {
4837                    osf.top -= outset;
4838                } else if (rotation == Surface.ROTATION_270) {
4839                    osf.left -= outset;
4840                }
4841                if (DEBUG_LAYOUT) Slog.v(TAG, "applying bottom outset of " + outset
4842                        + " with rotation " + rotation + ", result: " + osf);
4843            }
4844        }
4845
4846        if (DEBUG_LAYOUT) Slog.v(TAG, "Compute frame " + attrs.getTitle()
4847                + ": sim=#" + Integer.toHexString(sim)
4848                + " attach=" + attached + " type=" + attrs.type
4849                + String.format(" flags=0x%08x", fl)
4850                + " pf=" + pf.toShortString() + " df=" + df.toShortString()
4851                + " of=" + of.toShortString()
4852                + " cf=" + cf.toShortString() + " vf=" + vf.toShortString()
4853                + " dcf=" + dcf.toShortString()
4854                + " sf=" + sf.toShortString()
4855                + " osf=" + (osf == null ? "null" : osf.toShortString()));
4856
4857        win.computeFrameLw(pf, df, of, cf, vf, dcf, sf, osf);
4858
4859        // Dock windows carve out the bottom of the screen, so normal windows
4860        // can't appear underneath them.
4861        if (attrs.type == TYPE_INPUT_METHOD && win.isVisibleOrBehindKeyguardLw()
4862                && win.isDisplayedLw() && !win.getGivenInsetsPendingLw()) {
4863            setLastInputMethodWindowLw(null, null);
4864            offsetInputMethodWindowLw(win);
4865        }
4866        if (attrs.type == TYPE_VOICE_INTERACTION && win.isVisibleOrBehindKeyguardLw()
4867                && !win.getGivenInsetsPendingLw()) {
4868            offsetVoiceInputWindowLw(win);
4869        }
4870    }
4871
4872    private void layoutWallpaper(WindowState win, Rect pf, Rect df, Rect of, Rect cf) {
4873
4874        // The wallpaper also has Real Ultimate Power, but we want to tell
4875        // it about the overscan area.
4876        pf.left = df.left = mOverscanScreenLeft;
4877        pf.top = df.top = mOverscanScreenTop;
4878        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4879        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4880        of.left = cf.left = mUnrestrictedScreenLeft;
4881        of.top = cf.top = mUnrestrictedScreenTop;
4882        of.right = cf.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4883        of.bottom = cf.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4884    }
4885
4886    private void offsetInputMethodWindowLw(WindowState win) {
4887        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4888        top += win.getGivenContentInsetsLw().top;
4889        if (mContentBottom > top) {
4890            mContentBottom = top;
4891        }
4892        if (mVoiceContentBottom > top) {
4893            mVoiceContentBottom = top;
4894        }
4895        top = win.getVisibleFrameLw().top;
4896        top += win.getGivenVisibleInsetsLw().top;
4897        if (mCurBottom > top) {
4898            mCurBottom = top;
4899        }
4900        if (DEBUG_LAYOUT) Slog.v(TAG, "Input method: mDockBottom="
4901                + mDockBottom + " mContentBottom="
4902                + mContentBottom + " mCurBottom=" + mCurBottom);
4903    }
4904
4905    private void offsetVoiceInputWindowLw(WindowState win) {
4906        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4907        top += win.getGivenContentInsetsLw().top;
4908        if (mVoiceContentBottom > top) {
4909            mVoiceContentBottom = top;
4910        }
4911    }
4912
4913    /** {@inheritDoc} */
4914    @Override
4915    public void finishLayoutLw() {
4916        return;
4917    }
4918
4919    /** {@inheritDoc} */
4920    @Override
4921    public void beginPostLayoutPolicyLw(int displayWidth, int displayHeight) {
4922        mTopFullscreenOpaqueWindowState = null;
4923        mTopFullscreenOpaqueOrDimmingWindowState = null;
4924        mTopDockedOpaqueWindowState = null;
4925        mTopDockedOpaqueOrDimmingWindowState = null;
4926        mAppsToBeHidden.clear();
4927        mAppsThatDismissKeyguard.clear();
4928        mForceStatusBar = false;
4929        mForceStatusBarFromKeyguard = false;
4930        mForceStatusBarTransparent = false;
4931        mForcingShowNavBar = false;
4932        mForcingShowNavBarLayer = -1;
4933
4934        mHideLockScreen = false;
4935        mAllowLockscreenWhenOn = false;
4936        mDismissKeyguard = DISMISS_KEYGUARD_NONE;
4937        mShowingLockscreen = false;
4938        mShowingDream = false;
4939        mWinShowWhenLocked = null;
4940        mKeyguardSecure = isKeyguardSecure(mCurrentUserId);
4941        mKeyguardSecureIncludingHidden = mKeyguardSecure
4942                && (mKeyguardDelegate != null && mKeyguardDelegate.isShowing());
4943    }
4944
4945    /** {@inheritDoc} */
4946    @Override
4947    public void applyPostLayoutPolicyLw(WindowState win, WindowManager.LayoutParams attrs,
4948            WindowState attached) {
4949        if (DEBUG_LAYOUT) Slog.i(TAG, "Win " + win + ": isVisibleOrBehindKeyguardLw="
4950                + win.isVisibleOrBehindKeyguardLw());
4951        final int fl = PolicyControl.getWindowFlags(win, attrs);
4952        if (mTopFullscreenOpaqueWindowState == null
4953                && win.isVisibleLw() && attrs.type == TYPE_INPUT_METHOD) {
4954            mForcingShowNavBar = true;
4955            mForcingShowNavBarLayer = win.getSurfaceLayer();
4956        }
4957        if (attrs.type == TYPE_STATUS_BAR) {
4958            if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4959                mForceStatusBarFromKeyguard = true;
4960                mShowingLockscreen = true;
4961            }
4962            if ((attrs.privateFlags & PRIVATE_FLAG_FORCE_STATUS_BAR_VISIBLE_TRANSPARENT) != 0) {
4963                mForceStatusBarTransparent = true;
4964            }
4965        }
4966
4967        boolean appWindow = attrs.type >= FIRST_APPLICATION_WINDOW
4968                && attrs.type < FIRST_SYSTEM_WINDOW;
4969        final boolean showWhenLocked = (fl & FLAG_SHOW_WHEN_LOCKED) != 0;
4970        final boolean dismissKeyguard = (fl & FLAG_DISMISS_KEYGUARD) != 0;
4971        final int stackId = win.getStackId();
4972        if (mTopFullscreenOpaqueWindowState == null &&
4973                win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()) {
4974            if ((fl & FLAG_FORCE_NOT_FULLSCREEN) != 0) {
4975                if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4976                    mForceStatusBarFromKeyguard = true;
4977                } else {
4978                    mForceStatusBar = true;
4979                }
4980            }
4981            if (attrs.type == TYPE_DREAM) {
4982                // If the lockscreen was showing when the dream started then wait
4983                // for the dream to draw before hiding the lockscreen.
4984                if (!mDreamingLockscreen
4985                        || (win.isVisibleLw() && win.hasDrawnLw())) {
4986                    mShowingDream = true;
4987                    appWindow = true;
4988                }
4989            }
4990
4991            final IApplicationToken appToken = win.getAppToken();
4992
4993            // For app windows that are not attached, we decide if all windows in the app they
4994            // represent should be hidden or if we should hide the lockscreen. For attached app
4995            // windows we defer the decision to the window it is attached to.
4996            if (appWindow && attached == null) {
4997                if (showWhenLocked) {
4998                    // Remove any previous windows with the same appToken.
4999                    mAppsToBeHidden.remove(appToken);
5000                    mAppsThatDismissKeyguard.remove(appToken);
5001                    if (mAppsToBeHidden.isEmpty()) {
5002                        if (dismissKeyguard && !mKeyguardSecure) {
5003                            mAppsThatDismissKeyguard.add(appToken);
5004                        } else if (win.isDrawnLw() || win.hasAppShownWindows()) {
5005                            mWinShowWhenLocked = win;
5006                            mHideLockScreen = true;
5007                            mForceStatusBarFromKeyguard = false;
5008                        }
5009                    }
5010                } else if (dismissKeyguard) {
5011                    if (mKeyguardSecure) {
5012                        mAppsToBeHidden.add(appToken);
5013                    } else {
5014                        mAppsToBeHidden.remove(appToken);
5015                    }
5016                    mAppsThatDismissKeyguard.add(appToken);
5017                } else {
5018                    mAppsToBeHidden.add(appToken);
5019                }
5020                if (isFullscreen(attrs) && StackId.normallyFullscreenWindows(stackId)) {
5021                    if (DEBUG_LAYOUT) Slog.v(TAG, "Fullscreen window: " + win);
5022                    mTopFullscreenOpaqueWindowState = win;
5023                    if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
5024                        mTopFullscreenOpaqueOrDimmingWindowState = win;
5025                    }
5026                    if (!mAppsThatDismissKeyguard.isEmpty() &&
5027                            mDismissKeyguard == DISMISS_KEYGUARD_NONE) {
5028                        if (DEBUG_LAYOUT) Slog.v(TAG,
5029                                "Setting mDismissKeyguard true by win " + win);
5030                        mDismissKeyguard = (mWinDismissingKeyguard == win
5031                                && mSecureDismissingKeyguard == mKeyguardSecure)
5032                                ? DISMISS_KEYGUARD_CONTINUE : DISMISS_KEYGUARD_START;
5033                        mWinDismissingKeyguard = win;
5034                        mSecureDismissingKeyguard = mKeyguardSecure;
5035                        mForceStatusBarFromKeyguard = mShowingLockscreen && mKeyguardSecure;
5036                    } else if (mAppsToBeHidden.isEmpty() && showWhenLocked
5037                            && (win.isDrawnLw() || win.hasAppShownWindows())) {
5038                        if (DEBUG_LAYOUT) Slog.v(TAG,
5039                                "Setting mHideLockScreen to true by win " + win);
5040                        mHideLockScreen = true;
5041                        mForceStatusBarFromKeyguard = false;
5042                    }
5043                    if ((fl & FLAG_ALLOW_LOCK_WHILE_SCREEN_ON) != 0) {
5044                        mAllowLockscreenWhenOn = true;
5045                    }
5046                }
5047
5048                if (!mKeyguardHidden && mWinShowWhenLocked != null &&
5049                        mWinShowWhenLocked.getAppToken() != win.getAppToken() &&
5050                        (attrs.flags & FLAG_SHOW_WHEN_LOCKED) == 0) {
5051                    win.hideLw(false);
5052                }
5053            }
5054        } else if (mTopFullscreenOpaqueWindowState == null && mWinShowWhenLocked == null) {
5055            // No TopFullscreenOpaqueWindow is showing, but we found a SHOW_WHEN_LOCKED window
5056            // that is being hidden in an animation - keep the
5057            // keyguard hidden until the new window shows up and
5058            // we know whether to show the keyguard or not.
5059            if (win.isAnimatingLw() && appWindow && showWhenLocked && mKeyguardHidden) {
5060                mHideLockScreen = true;
5061                mWinShowWhenLocked = win;
5062            }
5063        }
5064
5065        // Keep track of the window if it's dimming but not necessarily fullscreen.
5066        final boolean reallyVisible = win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw();
5067        if (mTopFullscreenOpaqueOrDimmingWindowState == null && reallyVisible
5068                && win.isDimming() && StackId.normallyFullscreenWindows(stackId)) {
5069            mTopFullscreenOpaqueOrDimmingWindowState = win;
5070        }
5071
5072        // We need to keep track of the top "fullscreen" opaque window for the docked stack
5073        // separately, because both the "real fullscreen" opaque window and the one for the docked
5074        // stack can control View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR.
5075        if (mTopDockedOpaqueWindowState == null && reallyVisible && appWindow && attached == null
5076                && isFullscreen(attrs) && stackId == DOCKED_STACK_ID) {
5077            mTopDockedOpaqueWindowState = win;
5078            if (mTopDockedOpaqueOrDimmingWindowState == null) {
5079                mTopDockedOpaqueOrDimmingWindowState = win;
5080            }
5081        }
5082
5083        // Also keep track of any windows that are dimming but not necessarily fullscreen in the
5084        // docked stack.
5085        if (mTopDockedOpaqueOrDimmingWindowState == null && reallyVisible && win.isDimming()
5086                && stackId == DOCKED_STACK_ID) {
5087            mTopDockedOpaqueOrDimmingWindowState = win;
5088        }
5089    }
5090
5091    private boolean isFullscreen(WindowManager.LayoutParams attrs) {
5092        return attrs.x == 0 && attrs.y == 0
5093                && attrs.width == WindowManager.LayoutParams.MATCH_PARENT
5094                && attrs.height == WindowManager.LayoutParams.MATCH_PARENT;
5095    }
5096
5097    /** {@inheritDoc} */
5098    @Override
5099    public int finishPostLayoutPolicyLw() {
5100        if (mWinShowWhenLocked != null && mTopFullscreenOpaqueWindowState != null &&
5101                mWinShowWhenLocked.getAppToken() != mTopFullscreenOpaqueWindowState.getAppToken()
5102                && isKeyguardLocked()) {
5103            // A dialog is dismissing the keyguard. Put the wallpaper behind it and hide the
5104            // fullscreen window.
5105            // TODO: Make sure FLAG_SHOW_WALLPAPER is restored when dialog is dismissed. Or not.
5106            mWinShowWhenLocked.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
5107            mTopFullscreenOpaqueWindowState.hideLw(false);
5108            mTopFullscreenOpaqueWindowState = mWinShowWhenLocked;
5109        }
5110
5111        int changes = 0;
5112        boolean topIsFullscreen = false;
5113
5114        final WindowManager.LayoutParams lp = (mTopFullscreenOpaqueWindowState != null)
5115                ? mTopFullscreenOpaqueWindowState.getAttrs()
5116                : null;
5117
5118        // If we are not currently showing a dream then remember the current
5119        // lockscreen state.  We will use this to determine whether the dream
5120        // started while the lockscreen was showing and remember this state
5121        // while the dream is showing.
5122        if (!mShowingDream) {
5123            mDreamingLockscreen = mShowingLockscreen;
5124            if (mDreamingSleepTokenNeeded) {
5125                mDreamingSleepTokenNeeded = false;
5126                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 0, 1).sendToTarget();
5127            }
5128        } else {
5129            if (!mDreamingSleepTokenNeeded) {
5130                mDreamingSleepTokenNeeded = true;
5131                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 1, 1).sendToTarget();
5132            }
5133        }
5134
5135        if (mStatusBar != null) {
5136            if (DEBUG_LAYOUT) Slog.i(TAG, "force=" + mForceStatusBar
5137                    + " forcefkg=" + mForceStatusBarFromKeyguard
5138                    + " top=" + mTopFullscreenOpaqueWindowState);
5139            boolean shouldBeTransparent = mForceStatusBarTransparent
5140                    && !mForceStatusBar
5141                    && !mForceStatusBarFromKeyguard;
5142            if (!shouldBeTransparent) {
5143                mStatusBarController.setShowTransparent(false /* transparent */);
5144            } else if (!mStatusBar.isVisibleLw()) {
5145                mStatusBarController.setShowTransparent(true /* transparent */);
5146            }
5147
5148            WindowManager.LayoutParams statusBarAttrs = mStatusBar.getAttrs();
5149            boolean statusBarExpanded = statusBarAttrs.height == MATCH_PARENT
5150                    && statusBarAttrs.width == MATCH_PARENT;
5151            if (mForceStatusBar || mForceStatusBarFromKeyguard || mForceStatusBarTransparent
5152                    || statusBarExpanded) {
5153                if (DEBUG_LAYOUT) Slog.v(TAG, "Showing status bar: forced");
5154                if (mStatusBarController.setBarShowingLw(true)) {
5155                    changes |= FINISH_LAYOUT_REDO_LAYOUT;
5156                }
5157                // Maintain fullscreen layout until incoming animation is complete.
5158                topIsFullscreen = mTopIsFullscreen && mStatusBar.isAnimatingLw();
5159                // Transient status bar on the lockscreen is not allowed
5160                if (mForceStatusBarFromKeyguard && mStatusBarController.isTransientShowing()) {
5161                    mStatusBarController.updateVisibilityLw(false /*transientAllowed*/,
5162                            mLastSystemUiFlags, mLastSystemUiFlags);
5163                }
5164                if (statusBarExpanded && mNavigationBar != null) {
5165                    if (mNavigationBarController.setBarShowingLw(true)) {
5166                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5167                    }
5168                }
5169            } else if (mTopFullscreenOpaqueWindowState != null) {
5170                final int fl = PolicyControl.getWindowFlags(null, lp);
5171                if (localLOGV) {
5172                    Slog.d(TAG, "frame: " + mTopFullscreenOpaqueWindowState.getFrameLw()
5173                            + " shown position: "
5174                            + mTopFullscreenOpaqueWindowState.getShownPositionLw());
5175                    Slog.d(TAG, "attr: " + mTopFullscreenOpaqueWindowState.getAttrs()
5176                            + " lp.flags=0x" + Integer.toHexString(fl));
5177                }
5178                topIsFullscreen = (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0
5179                        || (mLastSystemUiFlags & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
5180                // The subtle difference between the window for mTopFullscreenOpaqueWindowState
5181                // and mTopIsFullscreen is that mTopIsFullscreen is set only if the window
5182                // has the FLAG_FULLSCREEN set.  Not sure if there is another way that to be the
5183                // case though.
5184                if (mStatusBarController.isTransientShowing()) {
5185                    if (mStatusBarController.setBarShowingLw(true)) {
5186                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5187                    }
5188                } else if (topIsFullscreen
5189                        && !mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID)
5190                        && !mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID)) {
5191                    if (DEBUG_LAYOUT) Slog.v(TAG, "** HIDING status bar");
5192                    if (mStatusBarController.setBarShowingLw(false)) {
5193                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5194                    } else {
5195                        if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar already hiding");
5196                    }
5197                } else {
5198                    if (DEBUG_LAYOUT) Slog.v(TAG, "** SHOWING status bar: top is not fullscreen");
5199                    if (mStatusBarController.setBarShowingLw(true)) {
5200                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5201                    }
5202                }
5203            }
5204        }
5205
5206        if (mTopIsFullscreen != topIsFullscreen) {
5207            if (!topIsFullscreen) {
5208                // Force another layout when status bar becomes fully shown.
5209                changes |= FINISH_LAYOUT_REDO_LAYOUT;
5210            }
5211            mTopIsFullscreen = topIsFullscreen;
5212        }
5213
5214        // Hide the key guard if a visible window explicitly specifies that it wants to be
5215        // displayed when the screen is locked.
5216        if (mKeyguardDelegate != null && mStatusBar != null) {
5217            if (localLOGV) Slog.v(TAG, "finishPostLayoutPolicyLw: mHideKeyguard="
5218                    + mHideLockScreen);
5219            if (mDismissKeyguard != DISMISS_KEYGUARD_NONE && !mKeyguardSecure) {
5220                mKeyguardHidden = true;
5221                if (setKeyguardOccludedLw(true)) {
5222                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5223                            | FINISH_LAYOUT_REDO_CONFIG
5224                            | FINISH_LAYOUT_REDO_WALLPAPER;
5225                }
5226                if (mKeyguardDelegate.isShowing()) {
5227                    mHandler.post(new Runnable() {
5228                        @Override
5229                        public void run() {
5230                            mKeyguardDelegate.keyguardDone(false, false);
5231                        }
5232                    });
5233                }
5234            } else if (mHideLockScreen) {
5235                mKeyguardHidden = true;
5236                mWinDismissingKeyguard = null;
5237                if (setKeyguardOccludedLw(true)) {
5238                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5239                            | FINISH_LAYOUT_REDO_CONFIG
5240                            | FINISH_LAYOUT_REDO_WALLPAPER;
5241                }
5242            } else if (mDismissKeyguard != DISMISS_KEYGUARD_NONE) {
5243                mKeyguardHidden = false;
5244                if (setKeyguardOccludedLw(false)) {
5245                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5246                            | FINISH_LAYOUT_REDO_CONFIG
5247                            | FINISH_LAYOUT_REDO_WALLPAPER;
5248                }
5249                if (mDismissKeyguard == DISMISS_KEYGUARD_START) {
5250                    // Only launch the next keyguard unlock window once per window.
5251                    mHandler.post(new Runnable() {
5252                        @Override
5253                        public void run() {
5254                            mKeyguardDelegate.dismiss();
5255                        }
5256                    });
5257                }
5258            } else {
5259                mWinDismissingKeyguard = null;
5260                mSecureDismissingKeyguard = false;
5261                mKeyguardHidden = false;
5262                if (setKeyguardOccludedLw(false)) {
5263                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5264                            | FINISH_LAYOUT_REDO_CONFIG
5265                            | FINISH_LAYOUT_REDO_WALLPAPER;
5266                }
5267            }
5268        }
5269
5270        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
5271            // If the navigation bar has been hidden or shown, we need to do another
5272            // layout pass to update that window.
5273            changes |= FINISH_LAYOUT_REDO_LAYOUT;
5274        }
5275
5276        // update since mAllowLockscreenWhenOn might have changed
5277        updateLockScreenTimeout();
5278        return changes;
5279    }
5280
5281    /**
5282     * Updates the occluded state of the Keyguard.
5283     *
5284     * @return Whether the flags have changed and we have to redo the layout.
5285     */
5286    private boolean setKeyguardOccludedLw(boolean isOccluded) {
5287        boolean wasOccluded = mKeyguardOccluded;
5288        boolean showing = mKeyguardDelegate.isShowing();
5289        if (wasOccluded && !isOccluded && showing) {
5290            mKeyguardOccluded = false;
5291            mKeyguardDelegate.setOccluded(false);
5292            mStatusBar.getAttrs().privateFlags |= PRIVATE_FLAG_KEYGUARD;
5293            return true;
5294        } else if (!wasOccluded && isOccluded && showing) {
5295            mKeyguardOccluded = true;
5296            mKeyguardDelegate.setOccluded(true);
5297            mStatusBar.getAttrs().privateFlags &= ~PRIVATE_FLAG_KEYGUARD;
5298            mStatusBar.getAttrs().flags &= ~FLAG_SHOW_WALLPAPER;
5299            return true;
5300        } else {
5301            return false;
5302        }
5303    }
5304
5305    private boolean isStatusBarKeyguard() {
5306        return mStatusBar != null
5307                && (mStatusBar.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
5308    }
5309
5310    @Override
5311    public boolean allowAppAnimationsLw() {
5312        if (isStatusBarKeyguard() || mShowingDream) {
5313            // If keyguard or dreams is currently visible, no reason to animate behind it.
5314            return false;
5315        }
5316        return true;
5317    }
5318
5319    @Override
5320    public int focusChangedLw(WindowState lastFocus, WindowState newFocus) {
5321        mFocusedWindow = newFocus;
5322        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
5323            // If the navigation bar has been hidden or shown, we need to do another
5324            // layout pass to update that window.
5325            return FINISH_LAYOUT_REDO_LAYOUT;
5326        }
5327        return 0;
5328    }
5329
5330    /** {@inheritDoc} */
5331    @Override
5332    public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
5333        // lid changed state
5334        final int newLidState = lidOpen ? LID_OPEN : LID_CLOSED;
5335        if (newLidState == mLidState) {
5336            return;
5337        }
5338
5339        mLidState = newLidState;
5340        applyLidSwitchState();
5341        updateRotation(true);
5342
5343        if (lidOpen) {
5344            wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromLidSwitch,
5345                    "android.policy:LID");
5346        } else if (!mLidControlsSleep) {
5347            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
5348        }
5349    }
5350
5351    @Override
5352    public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) {
5353        int lensCoverState = lensCovered ? CAMERA_LENS_COVERED : CAMERA_LENS_UNCOVERED;
5354        if (mCameraLensCoverState == lensCoverState) {
5355            return;
5356        }
5357        if (mCameraLensCoverState == CAMERA_LENS_COVERED &&
5358                lensCoverState == CAMERA_LENS_UNCOVERED) {
5359            Intent intent;
5360            final boolean keyguardActive = mKeyguardDelegate == null ? false :
5361                    mKeyguardDelegate.isShowing();
5362            if (keyguardActive) {
5363                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);
5364            } else {
5365                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
5366            }
5367            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromCameraLens,
5368                    "android.policy:CAMERA_COVER");
5369            startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
5370        }
5371        mCameraLensCoverState = lensCoverState;
5372    }
5373
5374    void setHdmiPlugged(boolean plugged) {
5375        if (mHdmiPlugged != plugged) {
5376            mHdmiPlugged = plugged;
5377            updateRotation(true, true);
5378            Intent intent = new Intent(ACTION_HDMI_PLUGGED);
5379            intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
5380            intent.putExtra(EXTRA_HDMI_PLUGGED_STATE, plugged);
5381            mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
5382        }
5383    }
5384
5385    void initializeHdmiState() {
5386        boolean plugged = false;
5387        // watch for HDMI plug messages if the hdmi switch exists
5388        if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
5389            mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
5390
5391            final String filename = "/sys/class/switch/hdmi/state";
5392            FileReader reader = null;
5393            try {
5394                reader = new FileReader(filename);
5395                char[] buf = new char[15];
5396                int n = reader.read(buf);
5397                if (n > 1) {
5398                    plugged = 0 != Integer.parseInt(new String(buf, 0, n-1));
5399                }
5400            } catch (IOException ex) {
5401                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
5402            } catch (NumberFormatException ex) {
5403                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
5404            } finally {
5405                if (reader != null) {
5406                    try {
5407                        reader.close();
5408                    } catch (IOException ex) {
5409                    }
5410                }
5411            }
5412        }
5413        // This dance forces the code in setHdmiPlugged to run.
5414        // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
5415        mHdmiPlugged = !plugged;
5416        setHdmiPlugged(!mHdmiPlugged);
5417    }
5418
5419    final Object mScreenshotLock = new Object();
5420    ServiceConnection mScreenshotConnection = null;
5421
5422    final Runnable mScreenshotTimeout = new Runnable() {
5423        @Override public void run() {
5424            synchronized (mScreenshotLock) {
5425                if (mScreenshotConnection != null) {
5426                    mContext.unbindService(mScreenshotConnection);
5427                    mScreenshotConnection = null;
5428                    notifyScreenshotError();
5429                }
5430            }
5431        }
5432    };
5433
5434    // Assume this is called from the Handler thread.
5435    private void takeScreenshot(final int screenshotType) {
5436        synchronized (mScreenshotLock) {
5437            if (mScreenshotConnection != null) {
5438                return;
5439            }
5440            final ComponentName serviceComponent = new ComponentName(SYSUI_PACKAGE,
5441                    SYSUI_SCREENSHOT_SERVICE);
5442            final Intent serviceIntent = new Intent();
5443            serviceIntent.setComponent(serviceComponent);
5444            ServiceConnection conn = new ServiceConnection() {
5445                @Override
5446                public void onServiceConnected(ComponentName name, IBinder service) {
5447                    synchronized (mScreenshotLock) {
5448                        if (mScreenshotConnection != this) {
5449                            return;
5450                        }
5451                        Messenger messenger = new Messenger(service);
5452                        Message msg = Message.obtain(null, screenshotType);
5453                        final ServiceConnection myConn = this;
5454                        Handler h = new Handler(mHandler.getLooper()) {
5455                            @Override
5456                            public void handleMessage(Message msg) {
5457                                synchronized (mScreenshotLock) {
5458                                    if (mScreenshotConnection == myConn) {
5459                                        mContext.unbindService(mScreenshotConnection);
5460                                        mScreenshotConnection = null;
5461                                        mHandler.removeCallbacks(mScreenshotTimeout);
5462                                    }
5463                                }
5464                            }
5465                        };
5466                        msg.replyTo = new Messenger(h);
5467                        msg.arg1 = msg.arg2 = 0;
5468                        if (mStatusBar != null && mStatusBar.isVisibleLw())
5469                            msg.arg1 = 1;
5470                        if (mNavigationBar != null && mNavigationBar.isVisibleLw())
5471                            msg.arg2 = 1;
5472                        try {
5473                            messenger.send(msg);
5474                        } catch (RemoteException e) {
5475                        }
5476                    }
5477                }
5478
5479                @Override
5480                public void onServiceDisconnected(ComponentName name) {
5481                    notifyScreenshotError();
5482                }
5483            };
5484            if (mContext.bindServiceAsUser(serviceIntent, conn,
5485                    Context.BIND_AUTO_CREATE | Context.BIND_FOREGROUND_SERVICE_WHILE_AWAKE,
5486                    UserHandle.CURRENT)) {
5487                mScreenshotConnection = conn;
5488                mHandler.postDelayed(mScreenshotTimeout, 10000);
5489            }
5490        }
5491    }
5492
5493    /**
5494     * Notifies the screenshot service to show an error.
5495     */
5496    private void notifyScreenshotError() {
5497        // If the service process is killed, then ask it to clean up after itself
5498        final ComponentName errorComponent = new ComponentName(SYSUI_PACKAGE,
5499                SYSUI_SCREENSHOT_ERROR_RECEIVER);
5500        Intent errorIntent = new Intent(Intent.ACTION_USER_PRESENT);
5501        errorIntent.setComponent(errorComponent);
5502        errorIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT |
5503                Intent.FLAG_RECEIVER_FOREGROUND);
5504        mContext.sendBroadcastAsUser(errorIntent, UserHandle.CURRENT);
5505    }
5506
5507    /** {@inheritDoc} */
5508    @Override
5509    public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) {
5510        if (!mSystemBooted) {
5511            // If we have not yet booted, don't let key events do anything.
5512            return 0;
5513        }
5514
5515        final boolean interactive = (policyFlags & FLAG_INTERACTIVE) != 0;
5516        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
5517        final boolean canceled = event.isCanceled();
5518        final int keyCode = event.getKeyCode();
5519
5520        final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;
5521
5522        // If screen is off then we treat the case where the keyguard is open but hidden
5523        // the same as if it were open and in front.
5524        // This will prevent any keys other than the power button from waking the screen
5525        // when the keyguard is hidden by another activity.
5526        final boolean keyguardActive = (mKeyguardDelegate == null ? false :
5527                                            (interactive ?
5528                                                isKeyguardShowingAndNotOccluded() :
5529                                                mKeyguardDelegate.isShowing()));
5530
5531        if (DEBUG_INPUT) {
5532            Log.d(TAG, "interceptKeyTq keycode=" + keyCode
5533                    + " interactive=" + interactive + " keyguardActive=" + keyguardActive
5534                    + " policyFlags=" + Integer.toHexString(policyFlags));
5535        }
5536
5537        // Basic policy based on interactive state.
5538        int result;
5539        boolean isWakeKey = (policyFlags & WindowManagerPolicy.FLAG_WAKE) != 0
5540                || event.isWakeKey();
5541        if (interactive || (isInjected && !isWakeKey)) {
5542            // When the device is interactive or the key is injected pass the
5543            // key to the application.
5544            result = ACTION_PASS_TO_USER;
5545            isWakeKey = false;
5546        } else if (!interactive && shouldDispatchInputWhenNonInteractive()) {
5547            // If we're currently dozing with the screen on and the keyguard showing, pass the key
5548            // to the application but preserve its wake key status to make sure we still move
5549            // from dozing to fully interactive if we would normally go from off to fully
5550            // interactive.
5551            result = ACTION_PASS_TO_USER;
5552        } else {
5553            // When the screen is off and the key is not injected, determine whether
5554            // to wake the device but don't pass the key to the application.
5555            result = 0;
5556            if (isWakeKey && (!down || !isWakeKeyWhenScreenOff(keyCode))) {
5557                isWakeKey = false;
5558            }
5559        }
5560
5561        // If the key would be handled globally, just return the result, don't worry about special
5562        // key processing.
5563        if (isValidGlobalKey(keyCode)
5564                && mGlobalKeyManager.shouldHandleGlobalKey(keyCode, event)) {
5565            if (isWakeKey) {
5566                wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5567            }
5568            return result;
5569        }
5570
5571        boolean useHapticFeedback = down
5572                && (policyFlags & WindowManagerPolicy.FLAG_VIRTUAL) != 0
5573                && event.getRepeatCount() == 0;
5574
5575        // Handle special keys.
5576        switch (keyCode) {
5577            case KeyEvent.KEYCODE_BACK: {
5578                if (down) {
5579                    mBackKeyHandled = false;
5580                    if (hasLongPressOnBackBehavior()) {
5581                        Message msg = mHandler.obtainMessage(MSG_BACK_LONG_PRESS);
5582                        msg.setAsynchronous(true);
5583                        mHandler.sendMessageDelayed(msg,
5584                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
5585                    }
5586                } else {
5587                    boolean handled = mBackKeyHandled;
5588
5589                    // Reset back key state
5590                    cancelPendingBackKeyAction();
5591
5592                    // Don't pass back press to app if we've already handled it
5593                    if (handled) {
5594                        result &= ~ACTION_PASS_TO_USER;
5595                    }
5596                }
5597                break;
5598            }
5599
5600            case KeyEvent.KEYCODE_VOLUME_DOWN:
5601            case KeyEvent.KEYCODE_VOLUME_UP:
5602            case KeyEvent.KEYCODE_VOLUME_MUTE: {
5603                if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
5604                    if (down) {
5605                        if (interactive && !mScreenshotChordVolumeDownKeyTriggered
5606                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5607                            mScreenshotChordVolumeDownKeyTriggered = true;
5608                            mScreenshotChordVolumeDownKeyTime = event.getDownTime();
5609                            mScreenshotChordVolumeDownKeyConsumed = false;
5610                            cancelPendingPowerKeyAction();
5611                            interceptScreenshotChord();
5612                        }
5613                    } else {
5614                        mScreenshotChordVolumeDownKeyTriggered = false;
5615                        cancelPendingScreenshotChordAction();
5616                    }
5617                } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
5618                    if (down) {
5619                        if (interactive && !mScreenshotChordVolumeUpKeyTriggered
5620                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5621                            mScreenshotChordVolumeUpKeyTriggered = true;
5622                            cancelPendingPowerKeyAction();
5623                            cancelPendingScreenshotChordAction();
5624                        }
5625                    } else {
5626                        mScreenshotChordVolumeUpKeyTriggered = false;
5627                        cancelPendingScreenshotChordAction();
5628                    }
5629                }
5630                if (down) {
5631                    TelecomManager telecomManager = getTelecommService();
5632                    if (telecomManager != null) {
5633                        if (telecomManager.isRinging()) {
5634                            // If an incoming call is ringing, either VOLUME key means
5635                            // "silence ringer".  We handle these keys here, rather than
5636                            // in the InCallScreen, to make sure we'll respond to them
5637                            // even if the InCallScreen hasn't come to the foreground yet.
5638                            // Look for the DOWN event here, to agree with the "fallback"
5639                            // behavior in the InCallScreen.
5640                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5641                                  + " VOLUME key-down while ringing: Silence ringer!");
5642
5643                            // Silence the ringer.  (It's safe to call this
5644                            // even if the ringer has already been silenced.)
5645                            telecomManager.silenceRinger();
5646
5647                            // And *don't* pass this key thru to the current activity
5648                            // (which is probably the InCallScreen.)
5649                            result &= ~ACTION_PASS_TO_USER;
5650                            break;
5651                        }
5652                        if (telecomManager.isInCall()
5653                                && (result & ACTION_PASS_TO_USER) == 0) {
5654                            // If we are in call but we decided not to pass the key to
5655                            // the application, just pass it to the session service.
5656
5657                            MediaSessionLegacyHelper.getHelper(mContext)
5658                                    .sendVolumeKeyEvent(event, false);
5659                            break;
5660                        }
5661                    }
5662                }
5663                if (mUseTvRouting) {
5664                    // On TVs, defer special key handlings to
5665                    // {@link interceptKeyBeforeDispatching()}.
5666                    result |= ACTION_PASS_TO_USER;
5667                } else if ((result & ACTION_PASS_TO_USER) == 0) {
5668                    // If we aren't passing to the user and no one else
5669                    // handled it send it to the session manager to
5670                    // figure out.
5671                    MediaSessionLegacyHelper.getHelper(mContext)
5672                            .sendVolumeKeyEvent(event, true);
5673                }
5674                break;
5675            }
5676
5677            case KeyEvent.KEYCODE_ENDCALL: {
5678                result &= ~ACTION_PASS_TO_USER;
5679                if (down) {
5680                    TelecomManager telecomManager = getTelecommService();
5681                    boolean hungUp = false;
5682                    if (telecomManager != null) {
5683                        hungUp = telecomManager.endCall();
5684                    }
5685                    if (interactive && !hungUp) {
5686                        mEndCallKeyHandled = false;
5687                        mHandler.postDelayed(mEndCallLongPress,
5688                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
5689                    } else {
5690                        mEndCallKeyHandled = true;
5691                    }
5692                } else {
5693                    if (!mEndCallKeyHandled) {
5694                        mHandler.removeCallbacks(mEndCallLongPress);
5695                        if (!canceled) {
5696                            if ((mEndcallBehavior
5697                                    & Settings.System.END_BUTTON_BEHAVIOR_HOME) != 0) {
5698                                if (goHome()) {
5699                                    break;
5700                                }
5701                            }
5702                            if ((mEndcallBehavior
5703                                    & Settings.System.END_BUTTON_BEHAVIOR_SLEEP) != 0) {
5704                                mPowerManager.goToSleep(event.getEventTime(),
5705                                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
5706                                isWakeKey = false;
5707                            }
5708                        }
5709                    }
5710                }
5711                break;
5712            }
5713
5714            case KeyEvent.KEYCODE_POWER: {
5715                result &= ~ACTION_PASS_TO_USER;
5716                isWakeKey = false; // wake-up will be handled separately
5717                if (down) {
5718                    interceptPowerKeyDown(event, interactive);
5719                } else {
5720                    interceptPowerKeyUp(event, interactive, canceled);
5721                }
5722                break;
5723            }
5724
5725            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_DOWN:
5726                // fall through
5727            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_UP:
5728                // fall through
5729            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_LEFT:
5730                // fall through
5731            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_RIGHT: {
5732                result &= ~ACTION_PASS_TO_USER;
5733                interceptSystemNavigationKey(event);
5734                break;
5735            }
5736
5737            case KeyEvent.KEYCODE_SLEEP: {
5738                result &= ~ACTION_PASS_TO_USER;
5739                isWakeKey = false;
5740                if (!mPowerManager.isInteractive()) {
5741                    useHapticFeedback = false; // suppress feedback if already non-interactive
5742                }
5743                if (down) {
5744                    sleepPress(event.getEventTime());
5745                } else {
5746                    sleepRelease(event.getEventTime());
5747                }
5748                break;
5749            }
5750
5751            case KeyEvent.KEYCODE_SOFT_SLEEP: {
5752                result &= ~ACTION_PASS_TO_USER;
5753                isWakeKey = false;
5754                if (!down) {
5755                    mPowerManagerInternal.setUserInactiveOverrideFromWindowManager();
5756                }
5757                break;
5758            }
5759
5760            case KeyEvent.KEYCODE_WAKEUP: {
5761                result &= ~ACTION_PASS_TO_USER;
5762                isWakeKey = true;
5763                break;
5764            }
5765
5766            case KeyEvent.KEYCODE_MEDIA_PLAY:
5767            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5768            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5769            case KeyEvent.KEYCODE_HEADSETHOOK:
5770            case KeyEvent.KEYCODE_MUTE:
5771            case KeyEvent.KEYCODE_MEDIA_STOP:
5772            case KeyEvent.KEYCODE_MEDIA_NEXT:
5773            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5774            case KeyEvent.KEYCODE_MEDIA_REWIND:
5775            case KeyEvent.KEYCODE_MEDIA_RECORD:
5776            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5777            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: {
5778                if (MediaSessionLegacyHelper.getHelper(mContext).isGlobalPriorityActive()) {
5779                    // If the global session is active pass all media keys to it
5780                    // instead of the active window.
5781                    result &= ~ACTION_PASS_TO_USER;
5782                }
5783                if ((result & ACTION_PASS_TO_USER) == 0) {
5784                    // Only do this if we would otherwise not pass it to the user. In that
5785                    // case, the PhoneWindow class will do the same thing, except it will
5786                    // only do it if the showing app doesn't process the key on its own.
5787                    // Note that we need to make a copy of the key event here because the
5788                    // original key event will be recycled when we return.
5789                    mBroadcastWakeLock.acquire();
5790                    Message msg = mHandler.obtainMessage(MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK,
5791                            new KeyEvent(event));
5792                    msg.setAsynchronous(true);
5793                    msg.sendToTarget();
5794                }
5795                break;
5796            }
5797
5798            case KeyEvent.KEYCODE_CALL: {
5799                if (down) {
5800                    TelecomManager telecomManager = getTelecommService();
5801                    if (telecomManager != null) {
5802                        if (telecomManager.isRinging()) {
5803                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5804                                  + " CALL key-down while ringing: Answer the call!");
5805                            telecomManager.acceptRingingCall();
5806
5807                            // And *don't* pass this key thru to the current activity
5808                            // (which is presumably the InCallScreen.)
5809                            result &= ~ACTION_PASS_TO_USER;
5810                        }
5811                    }
5812                }
5813                break;
5814            }
5815            case KeyEvent.KEYCODE_VOICE_ASSIST: {
5816                // Only do this if we would otherwise not pass it to the user. In that case,
5817                // interceptKeyBeforeDispatching would apply a similar but different policy in
5818                // order to invoke voice assist actions. Note that we need to make a copy of the
5819                // key event here because the original key event will be recycled when we return.
5820                if ((result & ACTION_PASS_TO_USER) == 0 && !down) {
5821                    mBroadcastWakeLock.acquire();
5822                    Message msg = mHandler.obtainMessage(MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK,
5823                            keyguardActive ? 1 : 0, 0);
5824                    msg.setAsynchronous(true);
5825                    msg.sendToTarget();
5826                }
5827                break;
5828            }
5829            case KeyEvent.KEYCODE_WINDOW: {
5830                if (mShortPressWindowBehavior == SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE) {
5831                    if (mTvPictureInPictureVisible) {
5832                        // Consumes the key only if picture-in-picture is visible
5833                        // to show picture-in-picture control menu.
5834                        // This gives a chance to the foreground activity
5835                        // to customize PIP key behavior.
5836                        if (!down) {
5837                            showTvPictureInPictureMenu(event);
5838                        }
5839                        result &= ~ACTION_PASS_TO_USER;
5840                    }
5841                }
5842                break;
5843            }
5844        }
5845
5846        if (useHapticFeedback) {
5847            performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
5848        }
5849
5850        if (isWakeKey) {
5851            wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5852        }
5853
5854        return result;
5855    }
5856
5857    /**
5858     * Handle statusbar expansion events.
5859     * @param event
5860     */
5861    private void interceptSystemNavigationKey(KeyEvent event) {
5862        if (event.getAction() == KeyEvent.ACTION_UP && areSystemNavigationKeysEnabled()) {
5863            IStatusBarService sbar = getStatusBarService();
5864            if (sbar != null) {
5865                try {
5866                    sbar.handleSystemNavigationKey(event.getKeyCode());
5867                } catch (RemoteException e1) {
5868                    // oops, no statusbar. Ignore event.
5869                }
5870            }
5871        }
5872    }
5873
5874    /**
5875     * Returns true if the key can have global actions attached to it.
5876     * We reserve all power management keys for the system since they require
5877     * very careful handling.
5878     */
5879    private static boolean isValidGlobalKey(int keyCode) {
5880        switch (keyCode) {
5881            case KeyEvent.KEYCODE_POWER:
5882            case KeyEvent.KEYCODE_WAKEUP:
5883            case KeyEvent.KEYCODE_SLEEP:
5884                return false;
5885            default:
5886                return true;
5887        }
5888    }
5889
5890    /**
5891     * When the screen is off we ignore some keys that might otherwise typically
5892     * be considered wake keys.  We filter them out here.
5893     *
5894     * {@link KeyEvent#KEYCODE_POWER} is notably absent from this list because it
5895     * is always considered a wake key.
5896     */
5897    private boolean isWakeKeyWhenScreenOff(int keyCode) {
5898        switch (keyCode) {
5899            // ignore volume keys unless docked
5900            case KeyEvent.KEYCODE_VOLUME_UP:
5901            case KeyEvent.KEYCODE_VOLUME_DOWN:
5902            case KeyEvent.KEYCODE_VOLUME_MUTE:
5903                return mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;
5904
5905            // ignore media and camera keys
5906            case KeyEvent.KEYCODE_MUTE:
5907            case KeyEvent.KEYCODE_HEADSETHOOK:
5908            case KeyEvent.KEYCODE_MEDIA_PLAY:
5909            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5910            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5911            case KeyEvent.KEYCODE_MEDIA_STOP:
5912            case KeyEvent.KEYCODE_MEDIA_NEXT:
5913            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5914            case KeyEvent.KEYCODE_MEDIA_REWIND:
5915            case KeyEvent.KEYCODE_MEDIA_RECORD:
5916            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5917            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK:
5918            case KeyEvent.KEYCODE_CAMERA:
5919                return false;
5920        }
5921        return true;
5922    }
5923
5924
5925    /** {@inheritDoc} */
5926    @Override
5927    public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) {
5928        if ((policyFlags & FLAG_WAKE) != 0) {
5929            if (wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotion,
5930                    "android.policy:MOTION")) {
5931                return 0;
5932            }
5933        }
5934
5935        if (shouldDispatchInputWhenNonInteractive()) {
5936            return ACTION_PASS_TO_USER;
5937        }
5938
5939        // If we have not passed the action up and we are in theater mode without dreaming,
5940        // there will be no dream to intercept the touch and wake into ambient.  The device should
5941        // wake up in this case.
5942        if (isTheaterModeEnabled() && (policyFlags & FLAG_WAKE) != 0) {
5943            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotionWhenNotDreaming,
5944                    "android.policy:MOTION");
5945        }
5946
5947        return 0;
5948    }
5949
5950    private boolean shouldDispatchInputWhenNonInteractive() {
5951        final boolean displayOff = (mDisplay == null || mDisplay.getState() == Display.STATE_OFF);
5952
5953        if (displayOff && !mHasFeatureWatch) {
5954            return false;
5955        }
5956
5957        // Send events to keyguard while the screen is on and it's showing.
5958        if (isKeyguardShowingAndNotOccluded() && !displayOff) {
5959            return true;
5960        }
5961
5962        // Send events to a dozing dream even if the screen is off since the dream
5963        // is in control of the state of the screen.
5964        IDreamManager dreamManager = getDreamManager();
5965
5966        try {
5967            if (dreamManager != null && dreamManager.isDreaming()) {
5968                return true;
5969            }
5970        } catch (RemoteException e) {
5971            Slog.e(TAG, "RemoteException when checking if dreaming", e);
5972        }
5973
5974        // Otherwise, consume events since the user can't see what is being
5975        // interacted with.
5976        return false;
5977    }
5978
5979    private void dispatchDirectAudioEvent(KeyEvent event) {
5980        if (event.getAction() != KeyEvent.ACTION_DOWN) {
5981            return;
5982        }
5983        int keyCode = event.getKeyCode();
5984        int flags = AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_PLAY_SOUND
5985                | AudioManager.FLAG_FROM_KEY;
5986        String pkgName = mContext.getOpPackageName();
5987        switch (keyCode) {
5988            case KeyEvent.KEYCODE_VOLUME_UP:
5989                try {
5990                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_RAISE,
5991                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
5992                } catch (RemoteException e) {
5993                    Log.e(TAG, "Error dispatching volume up in dispatchTvAudioEvent.", e);
5994                }
5995                break;
5996            case KeyEvent.KEYCODE_VOLUME_DOWN:
5997                try {
5998                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_LOWER,
5999                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6000                } catch (RemoteException e) {
6001                    Log.e(TAG, "Error dispatching volume down in dispatchTvAudioEvent.", e);
6002                }
6003                break;
6004            case KeyEvent.KEYCODE_VOLUME_MUTE:
6005                try {
6006                    if (event.getRepeatCount() == 0) {
6007                        getAudioService().adjustSuggestedStreamVolume(
6008                                AudioManager.ADJUST_TOGGLE_MUTE,
6009                                AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6010                    }
6011                } catch (RemoteException e) {
6012                    Log.e(TAG, "Error dispatching mute in dispatchTvAudioEvent.", e);
6013                }
6014                break;
6015        }
6016    }
6017
6018    void dispatchMediaKeyWithWakeLock(KeyEvent event) {
6019        if (DEBUG_INPUT) {
6020            Slog.d(TAG, "dispatchMediaKeyWithWakeLock: " + event);
6021        }
6022
6023        if (mHavePendingMediaKeyRepeatWithWakeLock) {
6024            if (DEBUG_INPUT) {
6025                Slog.d(TAG, "dispatchMediaKeyWithWakeLock: canceled repeat");
6026            }
6027
6028            mHandler.removeMessages(MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK);
6029            mHavePendingMediaKeyRepeatWithWakeLock = false;
6030            mBroadcastWakeLock.release(); // pending repeat was holding onto the wake lock
6031        }
6032
6033        dispatchMediaKeyWithWakeLockToAudioService(event);
6034
6035        if (event.getAction() == KeyEvent.ACTION_DOWN
6036                && event.getRepeatCount() == 0) {
6037            mHavePendingMediaKeyRepeatWithWakeLock = true;
6038
6039            Message msg = mHandler.obtainMessage(
6040                    MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK, event);
6041            msg.setAsynchronous(true);
6042            mHandler.sendMessageDelayed(msg, ViewConfiguration.getKeyRepeatTimeout());
6043        } else {
6044            mBroadcastWakeLock.release();
6045        }
6046    }
6047
6048    void dispatchMediaKeyRepeatWithWakeLock(KeyEvent event) {
6049        mHavePendingMediaKeyRepeatWithWakeLock = false;
6050
6051        KeyEvent repeatEvent = KeyEvent.changeTimeRepeat(event,
6052                SystemClock.uptimeMillis(), 1, event.getFlags() | KeyEvent.FLAG_LONG_PRESS);
6053        if (DEBUG_INPUT) {
6054            Slog.d(TAG, "dispatchMediaKeyRepeatWithWakeLock: " + repeatEvent);
6055        }
6056
6057        dispatchMediaKeyWithWakeLockToAudioService(repeatEvent);
6058        mBroadcastWakeLock.release();
6059    }
6060
6061    void dispatchMediaKeyWithWakeLockToAudioService(KeyEvent event) {
6062        if (ActivityManagerNative.isSystemReady()) {
6063            MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(event, true);
6064        }
6065    }
6066
6067    void launchVoiceAssistWithWakeLock(boolean keyguardActive) {
6068        IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
6069                ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
6070        if (dic != null) {
6071            try {
6072                dic.exitIdle("voice-search");
6073            } catch (RemoteException e) {
6074            }
6075        }
6076        Intent voiceIntent =
6077            new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
6078        voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, keyguardActive);
6079        startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
6080        mBroadcastWakeLock.release();
6081    }
6082
6083    BroadcastReceiver mDockReceiver = new BroadcastReceiver() {
6084        @Override
6085        public void onReceive(Context context, Intent intent) {
6086            if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
6087                mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
6088                        Intent.EXTRA_DOCK_STATE_UNDOCKED);
6089            } else {
6090                try {
6091                    IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
6092                            ServiceManager.getService(Context.UI_MODE_SERVICE));
6093                    mUiMode = uiModeService.getCurrentModeType();
6094                } catch (RemoteException e) {
6095                }
6096            }
6097            updateRotation(true);
6098            synchronized (mLock) {
6099                updateOrientationListenerLp();
6100            }
6101        }
6102    };
6103
6104    BroadcastReceiver mDreamReceiver = new BroadcastReceiver() {
6105        @Override
6106        public void onReceive(Context context, Intent intent) {
6107            if (Intent.ACTION_DREAMING_STARTED.equals(intent.getAction())) {
6108                if (mKeyguardDelegate != null) {
6109                    mKeyguardDelegate.onDreamingStarted();
6110                }
6111            } else if (Intent.ACTION_DREAMING_STOPPED.equals(intent.getAction())) {
6112                if (mKeyguardDelegate != null) {
6113                    mKeyguardDelegate.onDreamingStopped();
6114                }
6115            }
6116        }
6117    };
6118
6119    BroadcastReceiver mMultiuserReceiver = new BroadcastReceiver() {
6120        @Override
6121        public void onReceive(Context context, Intent intent) {
6122            if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) {
6123                // tickle the settings observer: this first ensures that we're
6124                // observing the relevant settings for the newly-active user,
6125                // and then updates our own bookkeeping based on the now-
6126                // current user.
6127                mSettingsObserver.onChange(false);
6128
6129                // force a re-application of focused window sysui visibility.
6130                // the window may never have been shown for this user
6131                // e.g. the keyguard when going through the new-user setup flow
6132                synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6133                    mLastSystemUiFlags = 0;
6134                    updateSystemUiVisibilityLw();
6135                }
6136            }
6137        }
6138    };
6139
6140    private final Runnable mHiddenNavPanic = new Runnable() {
6141        @Override
6142        public void run() {
6143            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6144                if (!isUserSetupComplete()) {
6145                    // Swipe-up for navigation bar is disabled during setup
6146                    return;
6147                }
6148                mPendingPanicGestureUptime = SystemClock.uptimeMillis();
6149                mNavigationBarController.showTransient();
6150            }
6151        }
6152    };
6153
6154    private void requestTransientBars(WindowState swipeTarget) {
6155        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6156            if (!isUserSetupComplete()) {
6157                // Swipe-up for navigation bar is disabled during setup
6158                return;
6159            }
6160            boolean sb = mStatusBarController.checkShowTransientBarLw();
6161            boolean nb = mNavigationBarController.checkShowTransientBarLw();
6162            if (sb || nb) {
6163                // Don't show status bar when swiping on already visible navigation bar
6164                if (!nb && swipeTarget == mNavigationBar) {
6165                    if (DEBUG) Slog.d(TAG, "Not showing transient bar, wrong swipe target");
6166                    return;
6167                }
6168                if (sb) mStatusBarController.showTransient();
6169                if (nb) mNavigationBarController.showTransient();
6170                mImmersiveModeConfirmation.confirmCurrentPrompt();
6171                updateSystemUiVisibilityLw();
6172            }
6173        }
6174    }
6175
6176    // Called on the PowerManager's Notifier thread.
6177    @Override
6178    public void startedGoingToSleep(int why) {
6179        if (DEBUG_WAKEUP) Slog.i(TAG, "Started going to sleep... (why=" + why + ")");
6180        mCameraGestureTriggeredDuringGoingToSleep = false;
6181        mGoingToSleep = true;
6182        if (mKeyguardDelegate != null) {
6183            mKeyguardDelegate.onStartedGoingToSleep(why);
6184        }
6185    }
6186
6187    // Called on the PowerManager's Notifier thread.
6188    @Override
6189    public void finishedGoingToSleep(int why) {
6190        EventLog.writeEvent(70000, 0);
6191        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished going to sleep... (why=" + why + ")");
6192        MetricsLogger.histogram(mContext, "screen_timeout", mLockScreenTimeout / 1000);
6193
6194        mGoingToSleep = false;
6195
6196        // We must get this work done here because the power manager will drop
6197        // the wake lock and let the system suspend once this function returns.
6198        synchronized (mLock) {
6199            mAwake = false;
6200            updateWakeGestureListenerLp();
6201            updateOrientationListenerLp();
6202            updateLockScreenTimeout();
6203        }
6204        if (mKeyguardDelegate != null) {
6205            mKeyguardDelegate.onFinishedGoingToSleep(why,
6206                    mCameraGestureTriggeredDuringGoingToSleep);
6207        }
6208        mCameraGestureTriggeredDuringGoingToSleep = false;
6209    }
6210
6211    // Called on the PowerManager's Notifier thread.
6212    @Override
6213    public void startedWakingUp() {
6214        EventLog.writeEvent(70000, 1);
6215        if (DEBUG_WAKEUP) Slog.i(TAG, "Started waking up...");
6216
6217        // Since goToSleep performs these functions synchronously, we must
6218        // do the same here.  We cannot post this work to a handler because
6219        // that might cause it to become reordered with respect to what
6220        // may happen in a future call to goToSleep.
6221        synchronized (mLock) {
6222            mAwake = true;
6223
6224            updateWakeGestureListenerLp();
6225            updateOrientationListenerLp();
6226            updateLockScreenTimeout();
6227        }
6228
6229        if (mKeyguardDelegate != null) {
6230            mKeyguardDelegate.onStartedWakingUp();
6231        }
6232    }
6233
6234    // Called on the PowerManager's Notifier thread.
6235    @Override
6236    public void finishedWakingUp() {
6237        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished waking up...");
6238    }
6239
6240    private void wakeUpFromPowerKey(long eventTime) {
6241        wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey, "android.policy:POWER");
6242    }
6243
6244    private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode, String reason) {
6245        final boolean theaterModeEnabled = isTheaterModeEnabled();
6246        if (!wakeInTheaterMode && theaterModeEnabled) {
6247            return false;
6248        }
6249
6250        if (theaterModeEnabled) {
6251            Settings.Global.putInt(mContext.getContentResolver(),
6252                    Settings.Global.THEATER_MODE_ON, 0);
6253        }
6254
6255        mPowerManager.wakeUp(wakeTime, reason);
6256        return true;
6257    }
6258
6259    private void finishKeyguardDrawn() {
6260        synchronized (mLock) {
6261            if (!mScreenOnEarly || mKeyguardDrawComplete) {
6262                return; // We are not awake yet or we have already informed of this event.
6263            }
6264
6265            mKeyguardDrawComplete = true;
6266            if (mKeyguardDelegate != null) {
6267                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
6268            }
6269            mWindowManagerDrawComplete = false;
6270        }
6271
6272        // ... eventually calls finishWindowsDrawn which will finalize our screen turn on
6273        // as well as enabling the orientation change logic/sensor.
6274        mWindowManagerInternal.waitForAllWindowsDrawn(mWindowManagerDrawCallback,
6275                WAITING_FOR_DRAWN_TIMEOUT);
6276    }
6277
6278    // Called on the DisplayManager's DisplayPowerController thread.
6279    @Override
6280    public void screenTurnedOff() {
6281        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turned off...");
6282
6283        updateScreenOffSleepToken(true);
6284        synchronized (mLock) {
6285            mScreenOnEarly = false;
6286            mScreenOnFully = false;
6287            mKeyguardDrawComplete = false;
6288            mWindowManagerDrawComplete = false;
6289            mScreenOnListener = null;
6290            updateOrientationListenerLp();
6291
6292            if (mKeyguardDelegate != null) {
6293                mKeyguardDelegate.onScreenTurnedOff();
6294            }
6295        }
6296    }
6297
6298    // Called on the DisplayManager's DisplayPowerController thread.
6299    @Override
6300    public void screenTurningOn(final ScreenOnListener screenOnListener) {
6301        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turning on...");
6302
6303        updateScreenOffSleepToken(false);
6304        synchronized (mLock) {
6305            mScreenOnEarly = true;
6306            mScreenOnFully = false;
6307            mKeyguardDrawComplete = false;
6308            mWindowManagerDrawComplete = false;
6309            mScreenOnListener = screenOnListener;
6310
6311            if (mKeyguardDelegate != null) {
6312                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
6313                mHandler.sendEmptyMessageDelayed(MSG_KEYGUARD_DRAWN_TIMEOUT, 1000);
6314                mKeyguardDelegate.onScreenTurningOn(mKeyguardDrawnCallback);
6315            } else {
6316                if (DEBUG_WAKEUP) Slog.d(TAG,
6317                        "null mKeyguardDelegate: setting mKeyguardDrawComplete.");
6318                finishKeyguardDrawn();
6319            }
6320        }
6321    }
6322
6323    // Called on the DisplayManager's DisplayPowerController thread.
6324    @Override
6325    public void screenTurnedOn() {
6326        synchronized (mLock) {
6327            if (mKeyguardDelegate != null) {
6328                mKeyguardDelegate.onScreenTurnedOn();
6329            }
6330        }
6331    }
6332
6333    private void finishWindowsDrawn() {
6334        synchronized (mLock) {
6335            if (!mScreenOnEarly || mWindowManagerDrawComplete) {
6336                return; // Screen is not turned on or we did already handle this case earlier.
6337            }
6338
6339            mWindowManagerDrawComplete = true;
6340        }
6341
6342        finishScreenTurningOn();
6343    }
6344
6345    private void finishScreenTurningOn() {
6346        synchronized (mLock) {
6347            // We have just finished drawing screen content. Since the orientation listener
6348            // gets only installed when all windows are drawn, we try to install it again.
6349            updateOrientationListenerLp();
6350        }
6351        final ScreenOnListener listener;
6352        final boolean enableScreen;
6353        synchronized (mLock) {
6354            if (DEBUG_WAKEUP) Slog.d(TAG,
6355                    "finishScreenTurningOn: mAwake=" + mAwake
6356                            + ", mScreenOnEarly=" + mScreenOnEarly
6357                            + ", mScreenOnFully=" + mScreenOnFully
6358                            + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
6359                            + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
6360
6361            if (mScreenOnFully || !mScreenOnEarly || !mWindowManagerDrawComplete
6362                    || (mAwake && !mKeyguardDrawComplete)) {
6363                return; // spurious or not ready yet
6364            }
6365
6366            if (DEBUG_WAKEUP) Slog.i(TAG, "Finished screen turning on...");
6367            listener = mScreenOnListener;
6368            mScreenOnListener = null;
6369            mScreenOnFully = true;
6370
6371            // Remember the first time we draw the keyguard so we know when we're done with
6372            // the main part of booting and can enable the screen and hide boot messages.
6373            if (!mKeyguardDrawnOnce && mAwake) {
6374                mKeyguardDrawnOnce = true;
6375                enableScreen = true;
6376                if (mBootMessageNeedsHiding) {
6377                    mBootMessageNeedsHiding = false;
6378                    hideBootMessages();
6379                }
6380            } else {
6381                enableScreen = false;
6382            }
6383        }
6384
6385        if (listener != null) {
6386            listener.onScreenOn();
6387        }
6388
6389        if (enableScreen) {
6390            try {
6391                mWindowManager.enableScreenIfNeeded();
6392            } catch (RemoteException unhandled) {
6393            }
6394        }
6395    }
6396
6397    private void handleHideBootMessage() {
6398        synchronized (mLock) {
6399            if (!mKeyguardDrawnOnce) {
6400                mBootMessageNeedsHiding = true;
6401                return; // keyguard hasn't drawn the first time yet, not done booting
6402            }
6403        }
6404
6405        if (mBootMsgDialog != null) {
6406            if (DEBUG_WAKEUP) Slog.d(TAG, "handleHideBootMessage: dismissing");
6407            mBootMsgDialog.dismiss();
6408            mBootMsgDialog = null;
6409        }
6410    }
6411
6412    @Override
6413    public boolean isScreenOn() {
6414        return mScreenOnFully;
6415    }
6416
6417    /** {@inheritDoc} */
6418    @Override
6419    public void enableKeyguard(boolean enabled) {
6420        if (mKeyguardDelegate != null) {
6421            mKeyguardDelegate.setKeyguardEnabled(enabled);
6422        }
6423    }
6424
6425    /** {@inheritDoc} */
6426    @Override
6427    public void exitKeyguardSecurely(OnKeyguardExitResult callback) {
6428        if (mKeyguardDelegate != null) {
6429            mKeyguardDelegate.verifyUnlock(callback);
6430        }
6431    }
6432
6433    private boolean isKeyguardShowingAndNotOccluded() {
6434        if (mKeyguardDelegate == null) return false;
6435        return mKeyguardDelegate.isShowing() && !mKeyguardOccluded;
6436    }
6437
6438    /** {@inheritDoc} */
6439    @Override
6440    public boolean isKeyguardLocked() {
6441        return keyguardOn();
6442    }
6443
6444    /** {@inheritDoc} */
6445    @Override
6446    public boolean isKeyguardSecure(int userId) {
6447        if (mKeyguardDelegate == null) return false;
6448        return mKeyguardDelegate.isSecure(userId);
6449    }
6450
6451    /** {@inheritDoc} */
6452    @Override
6453    public boolean isKeyguardShowingOrOccluded() {
6454        return mKeyguardDelegate == null ? false : mKeyguardDelegate.isShowing();
6455    }
6456
6457    /** {@inheritDoc} */
6458    @Override
6459    public boolean inKeyguardRestrictedKeyInputMode() {
6460        if (mKeyguardDelegate == null) return false;
6461        return mKeyguardDelegate.isInputRestricted();
6462    }
6463
6464    @Override
6465    public void dismissKeyguardLw() {
6466        if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
6467            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.dismissKeyguardLw");
6468            mHandler.post(new Runnable() {
6469                @Override
6470                public void run() {
6471                    // ask the keyguard to prompt the user to authenticate if necessary
6472                    mKeyguardDelegate.dismiss();
6473                }
6474            });
6475        }
6476    }
6477
6478    @Override
6479    public void notifyActivityDrawnForKeyguardLw() {
6480        if (mKeyguardDelegate != null) {
6481            mHandler.post(new Runnable() {
6482                @Override
6483                public void run() {
6484                    mKeyguardDelegate.onActivityDrawn();
6485                }
6486            });
6487        }
6488    }
6489
6490    @Override
6491    public boolean isKeyguardDrawnLw() {
6492        synchronized (mLock) {
6493            return mKeyguardDrawnOnce;
6494        }
6495    }
6496
6497    @Override
6498    public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
6499        if (mKeyguardDelegate != null) {
6500            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.startKeyguardExitAnimation");
6501            mKeyguardDelegate.startKeyguardExitAnimation(startTime, fadeoutDuration);
6502        }
6503    }
6504
6505    @Override
6506    public void getStableInsetsLw(int displayRotation, int displayWidth, int displayHeight,
6507            Rect outInsets) {
6508        outInsets.setEmpty();
6509
6510        // Navigation bar and status bar.
6511        getNonDecorInsetsLw(displayRotation, displayWidth, displayHeight, outInsets);
6512        if (mStatusBar != null) {
6513            outInsets.top = mStatusBarHeight;
6514        }
6515    }
6516
6517    @Override
6518    public void getNonDecorInsetsLw(int displayRotation, int displayWidth, int displayHeight,
6519            Rect outInsets) {
6520        outInsets.setEmpty();
6521
6522        // Only navigation bar
6523        if (mNavigationBar != null) {
6524            int position = navigationBarPosition(displayWidth, displayHeight, displayRotation);
6525            if (position == NAV_BAR_BOTTOM) {
6526                outInsets.bottom = getNavigationBarHeight(displayRotation, mUiMode);
6527            } else if (position == NAV_BAR_RIGHT) {
6528                outInsets.right = getNavigationBarWidth(displayRotation, mUiMode);
6529            } else if (position == NAV_BAR_LEFT) {
6530                outInsets.left = getNavigationBarWidth(displayRotation, mUiMode);
6531            }
6532        }
6533    }
6534
6535    @Override
6536    public boolean isNavBarForcedShownLw(WindowState windowState) {
6537        return mForceShowSystemBars;
6538    }
6539
6540    @Override
6541    public boolean isDockSideAllowed(int dockSide) {
6542
6543        // We do not allow all dock sides at which the navigation bar touches the docked stack.
6544        if (!mNavigationBarCanMove) {
6545            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT || dockSide == DOCKED_RIGHT;
6546        } else {
6547            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT;
6548        }
6549    }
6550
6551    void sendCloseSystemWindows() {
6552        PhoneWindow.sendCloseSystemWindows(mContext, null);
6553    }
6554
6555    void sendCloseSystemWindows(String reason) {
6556        PhoneWindow.sendCloseSystemWindows(mContext, reason);
6557    }
6558
6559    @Override
6560    public int rotationForOrientationLw(int orientation, int lastRotation) {
6561        if (false) {
6562            Slog.v(TAG, "rotationForOrientationLw(orient="
6563                        + orientation + ", last=" + lastRotation
6564                        + "); user=" + mUserRotation + " "
6565                        + ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED)
6566                            ? "USER_ROTATION_LOCKED" : "")
6567                        );
6568        }
6569
6570        if (mForceDefaultOrientation) {
6571            return Surface.ROTATION_0;
6572        }
6573
6574        synchronized (mLock) {
6575            int sensorRotation = mOrientationListener.getProposedRotation(); // may be -1
6576            if (sensorRotation < 0) {
6577                sensorRotation = lastRotation;
6578            }
6579
6580            final int preferredRotation;
6581            if (mLidState == LID_OPEN && mLidOpenRotation >= 0) {
6582                // Ignore sensor when lid switch is open and rotation is forced.
6583                preferredRotation = mLidOpenRotation;
6584            } else if (mDockMode == Intent.EXTRA_DOCK_STATE_CAR
6585                    && (mCarDockEnablesAccelerometer || mCarDockRotation >= 0)) {
6586                // Ignore sensor when in car dock unless explicitly enabled.
6587                // This case can override the behavior of NOSENSOR, and can also
6588                // enable 180 degree rotation while docked.
6589                preferredRotation = mCarDockEnablesAccelerometer
6590                        ? sensorRotation : mCarDockRotation;
6591            } else if ((mDockMode == Intent.EXTRA_DOCK_STATE_DESK
6592                    || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
6593                    || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK)
6594                    && (mDeskDockEnablesAccelerometer || mDeskDockRotation >= 0)) {
6595                // Ignore sensor when in desk dock unless explicitly enabled.
6596                // This case can override the behavior of NOSENSOR, and can also
6597                // enable 180 degree rotation while docked.
6598                preferredRotation = mDeskDockEnablesAccelerometer
6599                        ? sensorRotation : mDeskDockRotation;
6600            } else if (mHdmiPlugged && mDemoHdmiRotationLock) {
6601                // Ignore sensor when plugged into HDMI when demo HDMI rotation lock enabled.
6602                // Note that the dock orientation overrides the HDMI orientation.
6603                preferredRotation = mDemoHdmiRotation;
6604            } else if (mHdmiPlugged && mDockMode == Intent.EXTRA_DOCK_STATE_UNDOCKED
6605                    && mUndockedHdmiRotation >= 0) {
6606                // Ignore sensor when plugged into HDMI and an undocked orientation has
6607                // been specified in the configuration (only for legacy devices without
6608                // full multi-display support).
6609                // Note that the dock orientation overrides the HDMI orientation.
6610                preferredRotation = mUndockedHdmiRotation;
6611            } else if (mDemoRotationLock) {
6612                // Ignore sensor when demo rotation lock is enabled.
6613                // Note that the dock orientation and HDMI rotation lock override this.
6614                preferredRotation = mDemoRotation;
6615            } else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {
6616                // Application just wants to remain locked in the last rotation.
6617                preferredRotation = lastRotation;
6618            } else if (!mSupportAutoRotation) {
6619                // If we don't support auto-rotation then bail out here and ignore
6620                // the sensor and any rotation lock settings.
6621                preferredRotation = -1;
6622            } else if ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE
6623                            && (orientation == ActivityInfo.SCREEN_ORIENTATION_USER
6624                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
6625                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
6626                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT
6627                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER))
6628                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
6629                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
6630                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE
6631                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) {
6632                // Otherwise, use sensor only if requested by the application or enabled
6633                // by default for USER or UNSPECIFIED modes.  Does not apply to NOSENSOR.
6634                if (mAllowAllRotations < 0) {
6635                    // Can't read this during init() because the context doesn't
6636                    // have display metrics at that time so we cannot determine
6637                    // tablet vs. phone then.
6638                    mAllowAllRotations = mContext.getResources().getBoolean(
6639                            com.android.internal.R.bool.config_allowAllRotations) ? 1 : 0;
6640                }
6641                if (sensorRotation != Surface.ROTATION_180
6642                        || mAllowAllRotations == 1
6643                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
6644                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER) {
6645                    preferredRotation = sensorRotation;
6646                } else {
6647                    preferredRotation = lastRotation;
6648                }
6649            } else if (mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED
6650                    && orientation != ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
6651                // Apply rotation lock.  Does not apply to NOSENSOR.
6652                // The idea is that the user rotation expresses a weak preference for the direction
6653                // of gravity and as NOSENSOR is never affected by gravity, then neither should
6654                // NOSENSOR be affected by rotation lock (although it will be affected by docks).
6655                preferredRotation = mUserRotation;
6656            } else {
6657                // No overriding preference.
6658                // We will do exactly what the application asked us to do.
6659                preferredRotation = -1;
6660            }
6661
6662            switch (orientation) {
6663                case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6664                    // Return portrait unless overridden.
6665                    if (isAnyPortrait(preferredRotation)) {
6666                        return preferredRotation;
6667                    }
6668                    return mPortraitRotation;
6669
6670                case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6671                    // Return landscape unless overridden.
6672                    if (isLandscapeOrSeascape(preferredRotation)) {
6673                        return preferredRotation;
6674                    }
6675                    return mLandscapeRotation;
6676
6677                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6678                    // Return reverse portrait unless overridden.
6679                    if (isAnyPortrait(preferredRotation)) {
6680                        return preferredRotation;
6681                    }
6682                    return mUpsideDownRotation;
6683
6684                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6685                    // Return seascape unless overridden.
6686                    if (isLandscapeOrSeascape(preferredRotation)) {
6687                        return preferredRotation;
6688                    }
6689                    return mSeascapeRotation;
6690
6691                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6692                case ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE:
6693                    // Return either landscape rotation.
6694                    if (isLandscapeOrSeascape(preferredRotation)) {
6695                        return preferredRotation;
6696                    }
6697                    if (isLandscapeOrSeascape(lastRotation)) {
6698                        return lastRotation;
6699                    }
6700                    return mLandscapeRotation;
6701
6702                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6703                case ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT:
6704                    // Return either portrait rotation.
6705                    if (isAnyPortrait(preferredRotation)) {
6706                        return preferredRotation;
6707                    }
6708                    if (isAnyPortrait(lastRotation)) {
6709                        return lastRotation;
6710                    }
6711                    return mPortraitRotation;
6712
6713                default:
6714                    // For USER, UNSPECIFIED, NOSENSOR, SENSOR and FULL_SENSOR,
6715                    // just return the preferred orientation we already calculated.
6716                    if (preferredRotation >= 0) {
6717                        return preferredRotation;
6718                    }
6719                    return Surface.ROTATION_0;
6720            }
6721        }
6722    }
6723
6724    @Override
6725    public boolean rotationHasCompatibleMetricsLw(int orientation, int rotation) {
6726        switch (orientation) {
6727            case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6728            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6729            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6730                return isAnyPortrait(rotation);
6731
6732            case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6733            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6734            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6735                return isLandscapeOrSeascape(rotation);
6736
6737            default:
6738                return true;
6739        }
6740    }
6741
6742    @Override
6743    public void setRotationLw(int rotation) {
6744        mOrientationListener.setCurrentRotation(rotation);
6745    }
6746
6747    private boolean isLandscapeOrSeascape(int rotation) {
6748        return rotation == mLandscapeRotation || rotation == mSeascapeRotation;
6749    }
6750
6751    private boolean isAnyPortrait(int rotation) {
6752        return rotation == mPortraitRotation || rotation == mUpsideDownRotation;
6753    }
6754
6755    @Override
6756    public int getUserRotationMode() {
6757        return Settings.System.getIntForUser(mContext.getContentResolver(),
6758                Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
6759                        WindowManagerPolicy.USER_ROTATION_FREE :
6760                                WindowManagerPolicy.USER_ROTATION_LOCKED;
6761    }
6762
6763    // User rotation: to be used when all else fails in assigning an orientation to the device
6764    @Override
6765    public void setUserRotationMode(int mode, int rot) {
6766        ContentResolver res = mContext.getContentResolver();
6767
6768        // mUserRotationMode and mUserRotation will be assigned by the content observer
6769        if (mode == WindowManagerPolicy.USER_ROTATION_LOCKED) {
6770            Settings.System.putIntForUser(res,
6771                    Settings.System.USER_ROTATION,
6772                    rot,
6773                    UserHandle.USER_CURRENT);
6774            Settings.System.putIntForUser(res,
6775                    Settings.System.ACCELEROMETER_ROTATION,
6776                    0,
6777                    UserHandle.USER_CURRENT);
6778        } else {
6779            Settings.System.putIntForUser(res,
6780                    Settings.System.ACCELEROMETER_ROTATION,
6781                    1,
6782                    UserHandle.USER_CURRENT);
6783        }
6784    }
6785
6786    @Override
6787    public void setSafeMode(boolean safeMode) {
6788        mSafeMode = safeMode;
6789        performHapticFeedbackLw(null, safeMode
6790                ? HapticFeedbackConstants.SAFE_MODE_ENABLED
6791                : HapticFeedbackConstants.SAFE_MODE_DISABLED, true);
6792    }
6793
6794    static long[] getLongIntArray(Resources r, int resid) {
6795        int[] ar = r.getIntArray(resid);
6796        if (ar == null) {
6797            return null;
6798        }
6799        long[] out = new long[ar.length];
6800        for (int i=0; i<ar.length; i++) {
6801            out[i] = ar[i];
6802        }
6803        return out;
6804    }
6805
6806    /** {@inheritDoc} */
6807    @Override
6808    public void systemReady() {
6809        mKeyguardDelegate = new KeyguardServiceDelegate(mContext);
6810        mKeyguardDelegate.onSystemReady();
6811
6812        readCameraLensCoverState();
6813        updateUiMode();
6814        boolean bindKeyguardNow;
6815        synchronized (mLock) {
6816            updateOrientationListenerLp();
6817            mSystemReady = true;
6818            mHandler.post(new Runnable() {
6819                @Override
6820                public void run() {
6821                    updateSettings();
6822                }
6823            });
6824
6825            bindKeyguardNow = mDeferBindKeyguard;
6826            if (bindKeyguardNow) {
6827                // systemBooted ran but wasn't able to bind to the Keyguard, we'll do it now.
6828                mDeferBindKeyguard = false;
6829            }
6830        }
6831
6832        if (bindKeyguardNow) {
6833            mKeyguardDelegate.bindService(mContext);
6834            mKeyguardDelegate.onBootCompleted();
6835        }
6836        mSystemGestures.systemReady();
6837        mImmersiveModeConfirmation.systemReady();
6838    }
6839
6840    /** {@inheritDoc} */
6841    @Override
6842    public void systemBooted() {
6843        boolean bindKeyguardNow = false;
6844        synchronized (mLock) {
6845            // Time to bind Keyguard; take care to only bind it once, either here if ready or
6846            // in systemReady if not.
6847            if (mKeyguardDelegate != null) {
6848                bindKeyguardNow = true;
6849            } else {
6850                // Because mKeyguardDelegate is null, we know that the synchronized block in
6851                // systemReady didn't run yet and setting this will actually have an effect.
6852                mDeferBindKeyguard = true;
6853            }
6854        }
6855        if (bindKeyguardNow) {
6856            mKeyguardDelegate.bindService(mContext);
6857            mKeyguardDelegate.onBootCompleted();
6858        }
6859        synchronized (mLock) {
6860            mSystemBooted = true;
6861        }
6862        startedWakingUp();
6863        screenTurningOn(null);
6864        screenTurnedOn();
6865    }
6866
6867    ProgressDialog mBootMsgDialog = null;
6868
6869    /** {@inheritDoc} */
6870    @Override
6871    public void showBootMessage(final CharSequence msg, final boolean always) {
6872        mHandler.post(new Runnable() {
6873            @Override public void run() {
6874                if (mBootMsgDialog == null) {
6875                    int theme;
6876                    if (mContext.getPackageManager().hasSystemFeature(FEATURE_TELEVISION)) {
6877                        theme = com.android.internal.R.style.Theme_Leanback_Dialog_Alert;
6878                    } else {
6879                        theme = 0;
6880                    }
6881
6882                    mBootMsgDialog = new ProgressDialog(mContext, theme) {
6883                        // This dialog will consume all events coming in to
6884                        // it, to avoid it trying to do things too early in boot.
6885                        @Override public boolean dispatchKeyEvent(KeyEvent event) {
6886                            return true;
6887                        }
6888                        @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
6889                            return true;
6890                        }
6891                        @Override public boolean dispatchTouchEvent(MotionEvent ev) {
6892                            return true;
6893                        }
6894                        @Override public boolean dispatchTrackballEvent(MotionEvent ev) {
6895                            return true;
6896                        }
6897                        @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) {
6898                            return true;
6899                        }
6900                        @Override public boolean dispatchPopulateAccessibilityEvent(
6901                                AccessibilityEvent event) {
6902                            return true;
6903                        }
6904                    };
6905                    if (mContext.getPackageManager().isUpgrade()) {
6906                        mBootMsgDialog.setTitle(R.string.android_upgrading_title);
6907                    } else {
6908                        mBootMsgDialog.setTitle(R.string.android_start_title);
6909                    }
6910                    mBootMsgDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
6911                    mBootMsgDialog.setIndeterminate(true);
6912                    mBootMsgDialog.getWindow().setType(
6913                            WindowManager.LayoutParams.TYPE_BOOT_PROGRESS);
6914                    mBootMsgDialog.getWindow().addFlags(
6915                            WindowManager.LayoutParams.FLAG_DIM_BEHIND
6916                            | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
6917                    mBootMsgDialog.getWindow().setDimAmount(1);
6918                    WindowManager.LayoutParams lp = mBootMsgDialog.getWindow().getAttributes();
6919                    lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
6920                    mBootMsgDialog.getWindow().setAttributes(lp);
6921                    mBootMsgDialog.setCancelable(false);
6922                    mBootMsgDialog.show();
6923                }
6924                mBootMsgDialog.setMessage(msg);
6925            }
6926        });
6927    }
6928
6929    /** {@inheritDoc} */
6930    @Override
6931    public void hideBootMessages() {
6932        mHandler.sendEmptyMessage(MSG_HIDE_BOOT_MESSAGE);
6933    }
6934
6935    /** {@inheritDoc} */
6936    @Override
6937    public void userActivity() {
6938        // ***************************************
6939        // NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
6940        // ***************************************
6941        // THIS IS CALLED FROM DEEP IN THE POWER MANAGER
6942        // WITH ITS LOCKS HELD.
6943        //
6944        // This code must be VERY careful about the locks
6945        // it acquires.
6946        // In fact, the current code acquires way too many,
6947        // and probably has lurking deadlocks.
6948
6949        synchronized (mScreenLockTimeout) {
6950            if (mLockScreenTimerActive) {
6951                // reset the timer
6952                mHandler.removeCallbacks(mScreenLockTimeout);
6953                mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
6954            }
6955        }
6956    }
6957
6958    class ScreenLockTimeout implements Runnable {
6959        Bundle options;
6960
6961        @Override
6962        public void run() {
6963            synchronized (this) {
6964                if (localLOGV) Log.v(TAG, "mScreenLockTimeout activating keyguard");
6965                if (mKeyguardDelegate != null) {
6966                    mKeyguardDelegate.doKeyguardTimeout(options);
6967                }
6968                mLockScreenTimerActive = false;
6969                options = null;
6970            }
6971        }
6972
6973        public void setLockOptions(Bundle options) {
6974            this.options = options;
6975        }
6976    }
6977
6978    ScreenLockTimeout mScreenLockTimeout = new ScreenLockTimeout();
6979
6980    @Override
6981    public void lockNow(Bundle options) {
6982        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);
6983        mHandler.removeCallbacks(mScreenLockTimeout);
6984        if (options != null) {
6985            // In case multiple calls are made to lockNow, we don't wipe out the options
6986            // until the runnable actually executes.
6987            mScreenLockTimeout.setLockOptions(options);
6988        }
6989        mHandler.post(mScreenLockTimeout);
6990    }
6991
6992    private void updateLockScreenTimeout() {
6993        synchronized (mScreenLockTimeout) {
6994            boolean enable = (mAllowLockscreenWhenOn && mAwake &&
6995                    mKeyguardDelegate != null && mKeyguardDelegate.isSecure(mCurrentUserId));
6996            if (mLockScreenTimerActive != enable) {
6997                if (enable) {
6998                    if (localLOGV) Log.v(TAG, "setting lockscreen timer");
6999                    mHandler.removeCallbacks(mScreenLockTimeout); // remove any pending requests
7000                    mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
7001                } else {
7002                    if (localLOGV) Log.v(TAG, "clearing lockscreen timer");
7003                    mHandler.removeCallbacks(mScreenLockTimeout);
7004                }
7005                mLockScreenTimerActive = enable;
7006            }
7007        }
7008    }
7009
7010    private void updateDreamingSleepToken(boolean acquire) {
7011        if (acquire) {
7012            if (mDreamingSleepToken == null) {
7013                mDreamingSleepToken = mActivityManagerInternal.acquireSleepToken("Dream");
7014            }
7015        } else {
7016            if (mDreamingSleepToken != null) {
7017                mDreamingSleepToken.release();
7018                mDreamingSleepToken = null;
7019            }
7020        }
7021    }
7022
7023    private void updateScreenOffSleepToken(boolean acquire) {
7024        if (acquire) {
7025            if (mScreenOffSleepToken == null) {
7026                mScreenOffSleepToken = mActivityManagerInternal.acquireSleepToken("ScreenOff");
7027            }
7028        } else {
7029            if (mScreenOffSleepToken != null) {
7030                mScreenOffSleepToken.release();
7031                mScreenOffSleepToken = null;
7032            }
7033        }
7034    }
7035
7036    /** {@inheritDoc} */
7037    @Override
7038    public void enableScreenAfterBoot() {
7039        readLidState();
7040        applyLidSwitchState();
7041        updateRotation(true);
7042    }
7043
7044    private void applyLidSwitchState() {
7045        if (mLidState == LID_CLOSED && mLidControlsSleep) {
7046            mPowerManager.goToSleep(SystemClock.uptimeMillis(),
7047                    PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH,
7048                    PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
7049        } else if (mLidState == LID_CLOSED && mLidControlsScreenLock) {
7050            mWindowManagerFuncs.lockDeviceNow();
7051        }
7052
7053        synchronized (mLock) {
7054            updateWakeGestureListenerLp();
7055        }
7056    }
7057
7058    void updateUiMode() {
7059        if (mUiModeManager == null) {
7060            mUiModeManager = IUiModeManager.Stub.asInterface(
7061                    ServiceManager.getService(Context.UI_MODE_SERVICE));
7062        }
7063        try {
7064            mUiMode = mUiModeManager.getCurrentModeType();
7065        } catch (RemoteException e) {
7066        }
7067    }
7068
7069    void updateRotation(boolean alwaysSendConfiguration) {
7070        try {
7071            //set orientation on WindowManager
7072            mWindowManager.updateRotation(alwaysSendConfiguration, false);
7073        } catch (RemoteException e) {
7074            // Ignore
7075        }
7076    }
7077
7078    void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
7079        try {
7080            //set orientation on WindowManager
7081            mWindowManager.updateRotation(alwaysSendConfiguration, forceRelayout);
7082        } catch (RemoteException e) {
7083            // Ignore
7084        }
7085    }
7086
7087    /**
7088     * Return an Intent to launch the currently active dock app as home.  Returns
7089     * null if the standard home should be launched, which is the case if any of the following is
7090     * true:
7091     * <ul>
7092     *  <li>The device is not in either car mode or desk mode
7093     *  <li>The device is in car mode but mEnableCarDockHomeCapture is false
7094     *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
7095     *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
7096     *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
7097     * </ul>
7098     * @return A dock intent.
7099     */
7100    Intent createHomeDockIntent() {
7101        Intent intent = null;
7102
7103        // What home does is based on the mode, not the dock state.  That
7104        // is, when in car mode you should be taken to car home regardless
7105        // of whether we are actually in a car dock.
7106        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
7107            if (mEnableCarDockHomeCapture) {
7108                intent = mCarDockIntent;
7109            }
7110        } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
7111            if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
7112                intent = mDeskDockIntent;
7113            }
7114        } else if (mUiMode == Configuration.UI_MODE_TYPE_WATCH
7115                && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
7116                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK
7117                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK)) {
7118            // Always launch dock home from home when watch is docked, if it exists.
7119            intent = mDeskDockIntent;
7120        }
7121
7122        if (intent == null) {
7123            return null;
7124        }
7125
7126        ActivityInfo ai = null;
7127        ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(
7128                intent,
7129                PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_META_DATA,
7130                mCurrentUserId);
7131        if (info != null) {
7132            ai = info.activityInfo;
7133        }
7134        if (ai != null
7135                && ai.metaData != null
7136                && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
7137            intent = new Intent(intent);
7138            intent.setClassName(ai.packageName, ai.name);
7139            return intent;
7140        }
7141
7142        return null;
7143    }
7144
7145    void startDockOrHome(boolean fromHomeKey, boolean awakenFromDreams) {
7146        if (awakenFromDreams) {
7147            awakenDreams();
7148        }
7149
7150        Intent dock = createHomeDockIntent();
7151        if (dock != null) {
7152            try {
7153                if (fromHomeKey) {
7154                    dock.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
7155                }
7156                startActivityAsUser(dock, UserHandle.CURRENT);
7157                return;
7158            } catch (ActivityNotFoundException e) {
7159            }
7160        }
7161
7162        Intent intent;
7163
7164        if (fromHomeKey) {
7165            intent = new Intent(mHomeIntent);
7166            intent.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
7167        } else {
7168            intent = mHomeIntent;
7169        }
7170
7171        startActivityAsUser(intent, UserHandle.CURRENT);
7172    }
7173
7174    /**
7175     * goes to the home screen
7176     * @return whether it did anything
7177     */
7178    boolean goHome() {
7179        if (!isUserSetupComplete()) {
7180            Slog.i(TAG, "Not going home because user setup is in progress.");
7181            return false;
7182        }
7183        if (false) {
7184            // This code always brings home to the front.
7185            try {
7186                ActivityManagerNative.getDefault().stopAppSwitches();
7187            } catch (RemoteException e) {
7188            }
7189            sendCloseSystemWindows();
7190            startDockOrHome(false /*fromHomeKey*/, true /* awakenFromDreams */);
7191        } else {
7192            // This code brings home to the front or, if it is already
7193            // at the front, puts the device to sleep.
7194            try {
7195                if (SystemProperties.getInt("persist.sys.uts-test-mode", 0) == 1) {
7196                    /// Roll back EndcallBehavior as the cupcake design to pass P1 lab entry.
7197                    Log.d(TAG, "UTS-TEST-MODE");
7198                } else {
7199                    ActivityManagerNative.getDefault().stopAppSwitches();
7200                    sendCloseSystemWindows();
7201                    Intent dock = createHomeDockIntent();
7202                    if (dock != null) {
7203                        int result = ActivityManagerNative.getDefault()
7204                                .startActivityAsUser(null, null, dock,
7205                                        dock.resolveTypeIfNeeded(mContext.getContentResolver()),
7206                                        null, null, 0,
7207                                        ActivityManager.START_FLAG_ONLY_IF_NEEDED,
7208                                        null, null, UserHandle.USER_CURRENT);
7209                        if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
7210                            return false;
7211                        }
7212                    }
7213                }
7214                int result = ActivityManagerNative.getDefault()
7215                        .startActivityAsUser(null, null, mHomeIntent,
7216                                mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
7217                                null, null, 0,
7218                                ActivityManager.START_FLAG_ONLY_IF_NEEDED,
7219                                null, null, UserHandle.USER_CURRENT);
7220                if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
7221                    return false;
7222                }
7223            } catch (RemoteException ex) {
7224                // bummer, the activity manager, which is in this process, is dead
7225            }
7226        }
7227        return true;
7228    }
7229
7230    @Override
7231    public void setCurrentOrientationLw(int newOrientation) {
7232        synchronized (mLock) {
7233            if (newOrientation != mCurrentAppOrientation) {
7234                mCurrentAppOrientation = newOrientation;
7235                updateOrientationListenerLp();
7236            }
7237        }
7238    }
7239
7240    private void performAuditoryFeedbackForAccessibilityIfNeed() {
7241        if (!isGlobalAccessibilityGestureEnabled()) {
7242            return;
7243        }
7244        AudioManager audioManager = (AudioManager) mContext.getSystemService(
7245                Context.AUDIO_SERVICE);
7246        if (audioManager.isSilentMode()) {
7247            return;
7248        }
7249        Ringtone ringTone = RingtoneManager.getRingtone(mContext,
7250                Settings.System.DEFAULT_NOTIFICATION_URI);
7251        ringTone.setStreamType(AudioManager.STREAM_MUSIC);
7252        ringTone.play();
7253    }
7254
7255    private boolean isTheaterModeEnabled() {
7256        return Settings.Global.getInt(mContext.getContentResolver(),
7257                Settings.Global.THEATER_MODE_ON, 0) == 1;
7258    }
7259
7260    private boolean isGlobalAccessibilityGestureEnabled() {
7261        return Settings.Global.getInt(mContext.getContentResolver(),
7262                Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED, 0) == 1;
7263    }
7264
7265    private boolean areSystemNavigationKeysEnabled() {
7266        return Settings.Global.getInt(mContext.getContentResolver(),
7267                Settings.Global.SYSTEM_NAVIGATION_KEYS_ENABLED, 1) == 1;
7268    }
7269
7270    @Override
7271    public boolean performHapticFeedbackLw(WindowState win, int effectId, boolean always) {
7272        if (!mVibrator.hasVibrator()) {
7273            return false;
7274        }
7275        final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(),
7276                Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0;
7277        if (hapticsDisabled && !always) {
7278            return false;
7279        }
7280        long[] pattern = null;
7281        switch (effectId) {
7282            case HapticFeedbackConstants.LONG_PRESS:
7283                pattern = mLongPressVibePattern;
7284                break;
7285            case HapticFeedbackConstants.VIRTUAL_KEY:
7286                pattern = mVirtualKeyVibePattern;
7287                break;
7288            case HapticFeedbackConstants.KEYBOARD_TAP:
7289                pattern = mKeyboardTapVibePattern;
7290                break;
7291            case HapticFeedbackConstants.CLOCK_TICK:
7292                pattern = mClockTickVibePattern;
7293                break;
7294            case HapticFeedbackConstants.CALENDAR_DATE:
7295                pattern = mCalendarDateVibePattern;
7296                break;
7297            case HapticFeedbackConstants.SAFE_MODE_DISABLED:
7298                pattern = mSafeModeDisabledVibePattern;
7299                break;
7300            case HapticFeedbackConstants.SAFE_MODE_ENABLED:
7301                pattern = mSafeModeEnabledVibePattern;
7302                break;
7303            case HapticFeedbackConstants.CONTEXT_CLICK:
7304                pattern = mContextClickVibePattern;
7305                break;
7306            default:
7307                return false;
7308        }
7309        int owningUid;
7310        String owningPackage;
7311        if (win != null) {
7312            owningUid = win.getOwningUid();
7313            owningPackage = win.getOwningPackage();
7314        } else {
7315            owningUid = android.os.Process.myUid();
7316            owningPackage = mContext.getOpPackageName();
7317        }
7318        if (pattern.length == 1) {
7319            // One-shot vibration
7320            mVibrator.vibrate(owningUid, owningPackage, pattern[0], VIBRATION_ATTRIBUTES);
7321        } else {
7322            // Pattern vibration
7323            mVibrator.vibrate(owningUid, owningPackage, pattern, -1, VIBRATION_ATTRIBUTES);
7324        }
7325        return true;
7326    }
7327
7328    @Override
7329    public void keepScreenOnStartedLw() {
7330    }
7331
7332    @Override
7333    public void keepScreenOnStoppedLw() {
7334        if (isKeyguardShowingAndNotOccluded()) {
7335            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
7336        }
7337    }
7338
7339    private int updateSystemUiVisibilityLw() {
7340        // If there is no window focused, there will be nobody to handle the events
7341        // anyway, so just hang on in whatever state we're in until things settle down.
7342        final WindowState win = mFocusedWindow != null ? mFocusedWindow
7343                : mTopFullscreenOpaqueWindowState;
7344        if (win == null) {
7345            return 0;
7346        }
7347        if ((win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 && mHideLockScreen == true) {
7348            // We are updating at a point where the keyguard has gotten
7349            // focus, but we were last in a state where the top window is
7350            // hiding it.  This is probably because the keyguard as been
7351            // shown while the top window was displayed, so we want to ignore
7352            // it here because this is just a very transient change and it
7353            // will quickly lose focus once it correctly gets hidden.
7354            return 0;
7355        }
7356
7357        int tmpVisibility = PolicyControl.getSystemUiVisibility(win, null)
7358                & ~mResettingSystemUiFlags
7359                & ~mForceClearedSystemUiFlags;
7360        if (mForcingShowNavBar && win.getSurfaceLayer() < mForcingShowNavBarLayer) {
7361            tmpVisibility &= ~PolicyControl.adjustClearableFlags(win, View.SYSTEM_UI_CLEARABLE_FLAGS);
7362        }
7363
7364        final int fullscreenVisibility = updateLightStatusBarLw(0 /* vis */,
7365                mTopFullscreenOpaqueWindowState, mTopFullscreenOpaqueOrDimmingWindowState);
7366        final int dockedVisibility = updateLightStatusBarLw(0 /* vis */,
7367                mTopDockedOpaqueWindowState, mTopDockedOpaqueOrDimmingWindowState);
7368        mWindowManagerFuncs.getStackBounds(HOME_STACK_ID, mNonDockedStackBounds);
7369        mWindowManagerFuncs.getStackBounds(DOCKED_STACK_ID, mDockedStackBounds);
7370        final int visibility = updateSystemBarsLw(win, mLastSystemUiFlags, tmpVisibility);
7371        final int diff = visibility ^ mLastSystemUiFlags;
7372        final int fullscreenDiff = fullscreenVisibility ^ mLastFullscreenStackSysUiFlags;
7373        final int dockedDiff = dockedVisibility ^ mLastDockedStackSysUiFlags;
7374        final boolean needsMenu = win.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
7375        if (diff == 0 && fullscreenDiff == 0 && dockedDiff == 0 && mLastFocusNeedsMenu == needsMenu
7376                && mFocusedApp == win.getAppToken()
7377                && mLastNonDockedStackBounds.equals(mNonDockedStackBounds)
7378                && mLastDockedStackBounds.equals(mDockedStackBounds)) {
7379            return 0;
7380        }
7381        mLastSystemUiFlags = visibility;
7382        mLastFullscreenStackSysUiFlags = fullscreenVisibility;
7383        mLastDockedStackSysUiFlags = dockedVisibility;
7384        mLastFocusNeedsMenu = needsMenu;
7385        mFocusedApp = win.getAppToken();
7386        final Rect fullscreenStackBounds = new Rect(mNonDockedStackBounds);
7387        final Rect dockedStackBounds = new Rect(mDockedStackBounds);
7388        mHandler.post(new Runnable() {
7389                @Override
7390                public void run() {
7391                    StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
7392                    if (statusbar != null) {
7393                        statusbar.setSystemUiVisibility(visibility, fullscreenVisibility,
7394                                dockedVisibility, 0xffffffff, fullscreenStackBounds,
7395                                dockedStackBounds, win.toString());
7396                        statusbar.topAppWindowChanged(needsMenu);
7397                    }
7398                }
7399            });
7400        return diff;
7401    }
7402
7403    private int updateLightStatusBarLw(int vis, WindowState opaque, WindowState opaqueOrDimming) {
7404        WindowState statusColorWin = isStatusBarKeyguard() && !mHideLockScreen
7405                ? mStatusBar
7406                : opaqueOrDimming;
7407
7408        if (statusColorWin != null) {
7409            if (statusColorWin == opaque) {
7410                // If the top fullscreen-or-dimming window is also the top fullscreen, respect
7411                // its light flag.
7412                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7413                vis |= PolicyControl.getSystemUiVisibility(statusColorWin, null)
7414                        & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7415            } else if (statusColorWin != null && statusColorWin.isDimming()) {
7416                // Otherwise if it's dimming, clear the light flag.
7417                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7418            }
7419        }
7420        return vis;
7421    }
7422
7423    private boolean drawsSystemBarBackground(WindowState win) {
7424        return win == null || (win.getAttrs().flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0;
7425    }
7426
7427    private boolean forcesDrawStatusBarBackground(WindowState win) {
7428        return win == null || (win.getAttrs().privateFlags
7429                & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND) != 0;
7430    }
7431
7432    private int updateSystemBarsLw(WindowState win, int oldVis, int vis) {
7433        final boolean dockedStackVisible = mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID);
7434        final boolean freeformStackVisible =
7435                mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID);
7436        final boolean resizing = mWindowManagerInternal.isDockedDividerResizing();
7437
7438        // We need to force system bars when the docked stack is visible, when the freeform stack
7439        // is visible but also when we are resizing for the transitions when docked stack
7440        // visibility changes.
7441        mForceShowSystemBars = dockedStackVisible || freeformStackVisible || resizing;
7442        final boolean forceOpaqueStatusBar = mForceShowSystemBars && !mForceStatusBarFromKeyguard;
7443
7444        // apply translucent bar vis flags
7445        WindowState fullscreenTransWin = isStatusBarKeyguard() && !mHideLockScreen
7446                ? mStatusBar
7447                : mTopFullscreenOpaqueWindowState;
7448        vis = mStatusBarController.applyTranslucentFlagLw(fullscreenTransWin, vis, oldVis);
7449        vis = mNavigationBarController.applyTranslucentFlagLw(fullscreenTransWin, vis, oldVis);
7450        final int dockedVis = mStatusBarController.applyTranslucentFlagLw(
7451                mTopDockedOpaqueWindowState, 0, 0);
7452
7453        final boolean fullscreenDrawsStatusBarBackground =
7454                (drawsSystemBarBackground(mTopFullscreenOpaqueWindowState)
7455                        && (vis & View.STATUS_BAR_TRANSLUCENT) == 0)
7456                || forcesDrawStatusBarBackground(mTopFullscreenOpaqueWindowState);
7457        final boolean dockedDrawsStatusBarBackground =
7458                (drawsSystemBarBackground(mTopDockedOpaqueWindowState)
7459                        && (dockedVis & View.STATUS_BAR_TRANSLUCENT) == 0)
7460                || forcesDrawStatusBarBackground(mTopDockedOpaqueWindowState);
7461
7462        // prevent status bar interaction from clearing certain flags
7463        int type = win.getAttrs().type;
7464        boolean statusBarHasFocus = type == TYPE_STATUS_BAR;
7465        if (statusBarHasFocus && !isStatusBarKeyguard()) {
7466            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
7467                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
7468                    | View.SYSTEM_UI_FLAG_IMMERSIVE
7469                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
7470                    | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7471            if (mHideLockScreen) {
7472                flags |= View.STATUS_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSLUCENT;
7473            }
7474            vis = (vis & ~flags) | (oldVis & flags);
7475        }
7476
7477        if (fullscreenDrawsStatusBarBackground && dockedDrawsStatusBarBackground) {
7478            vis |= View.STATUS_BAR_TRANSPARENT;
7479            vis &= ~View.STATUS_BAR_TRANSLUCENT;
7480        } else if ((!areTranslucentBarsAllowed() && fullscreenTransWin != mStatusBar)
7481                || forceOpaqueStatusBar) {
7482            vis &= ~(View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT);
7483        }
7484
7485        vis = configureNavBarOpacity(vis, dockedStackVisible, freeformStackVisible, resizing);
7486
7487        // update status bar
7488        boolean immersiveSticky =
7489                (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
7490        final boolean hideStatusBarWM =
7491                mTopFullscreenOpaqueWindowState != null
7492                && (PolicyControl.getWindowFlags(mTopFullscreenOpaqueWindowState, null)
7493                        & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0;
7494        final boolean hideStatusBarSysui =
7495                (vis & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
7496        final boolean hideNavBarSysui =
7497                (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0;
7498
7499        final boolean transientStatusBarAllowed = mStatusBar != null
7500                && (statusBarHasFocus || (!mForceShowSystemBars
7501                        && (hideStatusBarWM || (hideStatusBarSysui && immersiveSticky))));
7502
7503        final boolean transientNavBarAllowed = mNavigationBar != null
7504                && !mForceShowSystemBars && hideNavBarSysui && immersiveSticky;
7505
7506        final long now = SystemClock.uptimeMillis();
7507        final boolean pendingPanic = mPendingPanicGestureUptime != 0
7508                && now - mPendingPanicGestureUptime <= PANIC_GESTURE_EXPIRATION;
7509        if (pendingPanic && hideNavBarSysui && !isStatusBarKeyguard() && mKeyguardDrawComplete) {
7510            // The user performed the panic gesture recently, we're about to hide the bars,
7511            // we're no longer on the Keyguard and the screen is ready. We can now request the bars.
7512            mPendingPanicGestureUptime = 0;
7513            mStatusBarController.showTransient();
7514            mNavigationBarController.showTransient();
7515        }
7516
7517        final boolean denyTransientStatus = mStatusBarController.isTransientShowRequested()
7518                && !transientStatusBarAllowed && hideStatusBarSysui;
7519        final boolean denyTransientNav = mNavigationBarController.isTransientShowRequested()
7520                && !transientNavBarAllowed;
7521        if (denyTransientStatus || denyTransientNav || mForceShowSystemBars) {
7522            // clear the clearable flags instead
7523            clearClearableFlagsLw();
7524            vis &= ~View.SYSTEM_UI_CLEARABLE_FLAGS;
7525        }
7526
7527        final boolean immersive = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
7528        immersiveSticky = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
7529        final boolean navAllowedHidden = immersive || immersiveSticky;
7530
7531        if (hideNavBarSysui && !navAllowedHidden && windowTypeToLayerLw(win.getBaseType())
7532                > windowTypeToLayerLw(TYPE_INPUT_CONSUMER)) {
7533            // We can't hide the navbar from this window otherwise the input consumer would not get
7534            // the input events.
7535            vis = (vis & ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
7536        }
7537
7538        vis = mStatusBarController.updateVisibilityLw(transientStatusBarAllowed, oldVis, vis);
7539
7540        // update navigation bar
7541        boolean oldImmersiveMode = isImmersiveMode(oldVis);
7542        boolean newImmersiveMode = isImmersiveMode(vis);
7543        if (win != null && oldImmersiveMode != newImmersiveMode) {
7544            final String pkg = win.getOwningPackage();
7545            mImmersiveModeConfirmation.immersiveModeChangedLw(pkg, newImmersiveMode,
7546                    isUserSetupComplete());
7547        }
7548
7549        vis = mNavigationBarController.updateVisibilityLw(transientNavBarAllowed, oldVis, vis);
7550
7551        return vis;
7552    }
7553
7554    /**
7555     * @return the current visibility flags with the nav-bar opacity related flags toggled based
7556     *         on the nav bar opacity rules chosen by {@link #mNavBarOpacityMode}.
7557     */
7558    private int configureNavBarOpacity(int visibility, boolean dockedStackVisible,
7559            boolean freeformStackVisible, boolean isDockedDividerResizing) {
7560        if (mNavBarOpacityMode == NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED) {
7561            if (dockedStackVisible || freeformStackVisible || isDockedDividerResizing) {
7562                visibility = setNavBarOpaqueFlag(visibility);
7563            }
7564        } else if (mNavBarOpacityMode == NAV_BAR_TRANSLUCENT_WHEN_FREEFORM_OPAQUE_OTHERWISE) {
7565            if (isDockedDividerResizing) {
7566                visibility = setNavBarOpaqueFlag(visibility);
7567            } else if (freeformStackVisible) {
7568                visibility = setNavBarTranslucentFlag(visibility);
7569            } else {
7570                visibility = setNavBarOpaqueFlag(visibility);
7571            }
7572        }
7573
7574        if (!areTranslucentBarsAllowed()) {
7575            visibility &= ~View.NAVIGATION_BAR_TRANSLUCENT;
7576        }
7577        return visibility;
7578    }
7579
7580    private int setNavBarOpaqueFlag(int visibility) {
7581        return visibility &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT);
7582    }
7583
7584    private int setNavBarTranslucentFlag(int visibility) {
7585        visibility &= ~View.NAVIGATION_BAR_TRANSPARENT;
7586        return visibility |= View.NAVIGATION_BAR_TRANSLUCENT;
7587    }
7588
7589    private void clearClearableFlagsLw() {
7590        int newVal = mResettingSystemUiFlags | View.SYSTEM_UI_CLEARABLE_FLAGS;
7591        if (newVal != mResettingSystemUiFlags) {
7592            mResettingSystemUiFlags = newVal;
7593            mWindowManagerFuncs.reevaluateStatusBarVisibility();
7594        }
7595    }
7596
7597    private boolean isImmersiveMode(int vis) {
7598        final int flags = View.SYSTEM_UI_FLAG_IMMERSIVE | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
7599        return mNavigationBar != null
7600                && (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
7601                && (vis & flags) != 0
7602                && canHideNavigationBar();
7603    }
7604
7605    /**
7606     * @return whether the navigation or status bar can be made translucent
7607     *
7608     * This should return true unless touch exploration is not enabled or
7609     * R.boolean.config_enableTranslucentDecor is false.
7610     */
7611    private boolean areTranslucentBarsAllowed() {
7612        return mTranslucentDecorEnabled;
7613    }
7614
7615    // Use this instead of checking config_showNavigationBar so that it can be consistently
7616    // overridden by qemu.hw.mainkeys in the emulator.
7617    @Override
7618    public boolean hasNavigationBar() {
7619        return mHasNavigationBar;
7620    }
7621
7622    @Override
7623    public void setLastInputMethodWindowLw(WindowState ime, WindowState target) {
7624        mLastInputMethodWindow = ime;
7625        mLastInputMethodTargetWindow = target;
7626    }
7627
7628    @Override
7629    public int getInputMethodWindowVisibleHeightLw() {
7630        return mDockBottom - mCurBottom;
7631    }
7632
7633    @Override
7634    public void setCurrentUserLw(int newUserId) {
7635        mCurrentUserId = newUserId;
7636        if (mKeyguardDelegate != null) {
7637            mKeyguardDelegate.setCurrentUser(newUserId);
7638        }
7639        StatusBarManagerInternal statusBar = getStatusBarManagerInternal();
7640        if (statusBar != null) {
7641            statusBar.setCurrentUser(newUserId);
7642        }
7643        setLastInputMethodWindowLw(null, null);
7644    }
7645
7646    @Override
7647    public boolean canMagnifyWindow(int windowType) {
7648        switch (windowType) {
7649            case WindowManager.LayoutParams.TYPE_INPUT_METHOD:
7650            case WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG:
7651            case WindowManager.LayoutParams.TYPE_NAVIGATION_BAR:
7652            case WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY: {
7653                return false;
7654            }
7655        }
7656        return true;
7657    }
7658
7659    @Override
7660    public boolean isTopLevelWindow(int windowType) {
7661        if (windowType >= WindowManager.LayoutParams.FIRST_SUB_WINDOW
7662                && windowType <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
7663            return (windowType == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG);
7664        }
7665        return true;
7666    }
7667
7668    @Override
7669    public boolean shouldRotateSeamlessly(int oldRotation, int newRotation) {
7670        // For the upside down rotation we don't rotate seamlessly as the navigation
7671        // bar moves position.
7672        // Note most apps (using orientation:sensor or user as opposed to fullSensor)
7673        // will not enter the reverse portrait orientation, so actually the
7674        // orientation won't change at all.
7675        if (oldRotation == mUpsideDownRotation || newRotation == mUpsideDownRotation) {
7676            return false;
7677        }
7678        int delta = newRotation - oldRotation;
7679        if (delta < 0) delta += 4;
7680        // Likewise we don't rotate seamlessly for 180 degree rotations
7681        // in this case the surfaces never resize, and our logic to
7682        // revert the transformations on size change will fail. We could
7683        // fix this in the future with the "tagged" frames idea.
7684        if (delta == Surface.ROTATION_180) {
7685            return false;
7686        }
7687
7688        // We only enable seamless rotation if the top window has requested
7689        // it and is in the fullscreen opaque state. Seamless rotation
7690        // requires freezing various Surface states and won't work well
7691        // with animations, so we disable it in the animation case for now.
7692        if (mTopFullscreenOpaqueWindowState != null && mTopIsFullscreen &&
7693                !mTopFullscreenOpaqueWindowState.isAnimatingLw() &&
7694                mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation ==
7695                ROTATION_ANIMATION_JUMPCUT) {
7696            return true;
7697        }
7698        return false;
7699    }
7700
7701    @Override
7702    public void dump(String prefix, PrintWriter pw, String[] args) {
7703        pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
7704                pw.print(" mSystemReady="); pw.print(mSystemReady);
7705                pw.print(" mSystemBooted="); pw.println(mSystemBooted);
7706        pw.print(prefix); pw.print("mLidState="); pw.print(mLidState);
7707                pw.print(" mLidOpenRotation="); pw.print(mLidOpenRotation);
7708                pw.print(" mCameraLensCoverState="); pw.print(mCameraLensCoverState);
7709                pw.print(" mHdmiPlugged="); pw.println(mHdmiPlugged);
7710        if (mLastSystemUiFlags != 0 || mResettingSystemUiFlags != 0
7711                || mForceClearedSystemUiFlags != 0) {
7712            pw.print(prefix); pw.print("mLastSystemUiFlags=0x");
7713                    pw.print(Integer.toHexString(mLastSystemUiFlags));
7714                    pw.print(" mResettingSystemUiFlags=0x");
7715                    pw.print(Integer.toHexString(mResettingSystemUiFlags));
7716                    pw.print(" mForceClearedSystemUiFlags=0x");
7717                    pw.println(Integer.toHexString(mForceClearedSystemUiFlags));
7718        }
7719        if (mLastFocusNeedsMenu) {
7720            pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
7721                    pw.println(mLastFocusNeedsMenu);
7722        }
7723        pw.print(prefix); pw.print("mWakeGestureEnabledSetting=");
7724                pw.println(mWakeGestureEnabledSetting);
7725
7726        pw.print(prefix); pw.print("mSupportAutoRotation="); pw.println(mSupportAutoRotation);
7727        pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
7728                pw.print(" mDockMode="); pw.print(mDockMode);
7729                pw.print(" mEnableCarDockHomeCapture="); pw.print(mEnableCarDockHomeCapture);
7730                pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
7731                pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
7732        pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);
7733                pw.print(" mUserRotation="); pw.print(mUserRotation);
7734                pw.print(" mAllowAllRotations="); pw.println(mAllowAllRotations);
7735        pw.print(prefix); pw.print("mCurrentAppOrientation="); pw.println(mCurrentAppOrientation);
7736        pw.print(prefix); pw.print("mCarDockEnablesAccelerometer=");
7737                pw.print(mCarDockEnablesAccelerometer);
7738                pw.print(" mDeskDockEnablesAccelerometer=");
7739                pw.println(mDeskDockEnablesAccelerometer);
7740        pw.print(prefix); pw.print("mLidKeyboardAccessibility=");
7741                pw.print(mLidKeyboardAccessibility);
7742                pw.print(" mLidNavigationAccessibility="); pw.print(mLidNavigationAccessibility);
7743                pw.print(" mLidControlsScreenLock="); pw.println(mLidControlsScreenLock);
7744                pw.print(" mLidControlsSleep="); pw.println(mLidControlsSleep);
7745        pw.print(prefix);
7746                pw.print(" mLongPressOnBackBehavior="); pw.println(mLongPressOnBackBehavior);
7747        pw.print(prefix);
7748                pw.print("mShortPressOnPowerBehavior="); pw.print(mShortPressOnPowerBehavior);
7749                pw.print(" mLongPressOnPowerBehavior="); pw.println(mLongPressOnPowerBehavior);
7750        pw.print(prefix);
7751                pw.print("mDoublePressOnPowerBehavior="); pw.print(mDoublePressOnPowerBehavior);
7752                pw.print(" mTriplePressOnPowerBehavior="); pw.println(mTriplePressOnPowerBehavior);
7753        pw.print(prefix); pw.print("mHasSoftInput="); pw.println(mHasSoftInput);
7754        pw.print(prefix); pw.print("mAwake="); pw.println(mAwake);
7755        pw.print(prefix); pw.print("mScreenOnEarly="); pw.print(mScreenOnEarly);
7756                pw.print(" mScreenOnFully="); pw.println(mScreenOnFully);
7757        pw.print(prefix); pw.print("mKeyguardDrawComplete="); pw.print(mKeyguardDrawComplete);
7758                pw.print(" mWindowManagerDrawComplete="); pw.println(mWindowManagerDrawComplete);
7759        pw.print(prefix); pw.print("mOrientationSensorEnabled=");
7760                pw.println(mOrientationSensorEnabled);
7761        pw.print(prefix); pw.print("mOverscanScreen=("); pw.print(mOverscanScreenLeft);
7762                pw.print(","); pw.print(mOverscanScreenTop);
7763                pw.print(") "); pw.print(mOverscanScreenWidth);
7764                pw.print("x"); pw.println(mOverscanScreenHeight);
7765        if (mOverscanLeft != 0 || mOverscanTop != 0
7766                || mOverscanRight != 0 || mOverscanBottom != 0) {
7767            pw.print(prefix); pw.print("mOverscan left="); pw.print(mOverscanLeft);
7768                    pw.print(" top="); pw.print(mOverscanTop);
7769                    pw.print(" right="); pw.print(mOverscanRight);
7770                    pw.print(" bottom="); pw.println(mOverscanBottom);
7771        }
7772        pw.print(prefix); pw.print("mRestrictedOverscanScreen=(");
7773                pw.print(mRestrictedOverscanScreenLeft);
7774                pw.print(","); pw.print(mRestrictedOverscanScreenTop);
7775                pw.print(") "); pw.print(mRestrictedOverscanScreenWidth);
7776                pw.print("x"); pw.println(mRestrictedOverscanScreenHeight);
7777        pw.print(prefix); pw.print("mUnrestrictedScreen=("); pw.print(mUnrestrictedScreenLeft);
7778                pw.print(","); pw.print(mUnrestrictedScreenTop);
7779                pw.print(") "); pw.print(mUnrestrictedScreenWidth);
7780                pw.print("x"); pw.println(mUnrestrictedScreenHeight);
7781        pw.print(prefix); pw.print("mRestrictedScreen=("); pw.print(mRestrictedScreenLeft);
7782                pw.print(","); pw.print(mRestrictedScreenTop);
7783                pw.print(") "); pw.print(mRestrictedScreenWidth);
7784                pw.print("x"); pw.println(mRestrictedScreenHeight);
7785        pw.print(prefix); pw.print("mStableFullscreen=("); pw.print(mStableFullscreenLeft);
7786                pw.print(","); pw.print(mStableFullscreenTop);
7787                pw.print(")-("); pw.print(mStableFullscreenRight);
7788                pw.print(","); pw.print(mStableFullscreenBottom); pw.println(")");
7789        pw.print(prefix); pw.print("mStable=("); pw.print(mStableLeft);
7790                pw.print(","); pw.print(mStableTop);
7791                pw.print(")-("); pw.print(mStableRight);
7792                pw.print(","); pw.print(mStableBottom); pw.println(")");
7793        pw.print(prefix); pw.print("mSystem=("); pw.print(mSystemLeft);
7794                pw.print(","); pw.print(mSystemTop);
7795                pw.print(")-("); pw.print(mSystemRight);
7796                pw.print(","); pw.print(mSystemBottom); pw.println(")");
7797        pw.print(prefix); pw.print("mCur=("); pw.print(mCurLeft);
7798                pw.print(","); pw.print(mCurTop);
7799                pw.print(")-("); pw.print(mCurRight);
7800                pw.print(","); pw.print(mCurBottom); pw.println(")");
7801        pw.print(prefix); pw.print("mContent=("); pw.print(mContentLeft);
7802                pw.print(","); pw.print(mContentTop);
7803                pw.print(")-("); pw.print(mContentRight);
7804                pw.print(","); pw.print(mContentBottom); pw.println(")");
7805        pw.print(prefix); pw.print("mVoiceContent=("); pw.print(mVoiceContentLeft);
7806                pw.print(","); pw.print(mVoiceContentTop);
7807                pw.print(")-("); pw.print(mVoiceContentRight);
7808                pw.print(","); pw.print(mVoiceContentBottom); pw.println(")");
7809        pw.print(prefix); pw.print("mDock=("); pw.print(mDockLeft);
7810                pw.print(","); pw.print(mDockTop);
7811                pw.print(")-("); pw.print(mDockRight);
7812                pw.print(","); pw.print(mDockBottom); pw.println(")");
7813        pw.print(prefix); pw.print("mDockLayer="); pw.print(mDockLayer);
7814                pw.print(" mStatusBarLayer="); pw.println(mStatusBarLayer);
7815        pw.print(prefix); pw.print("mShowingLockscreen="); pw.print(mShowingLockscreen);
7816                pw.print(" mShowingDream="); pw.print(mShowingDream);
7817                pw.print(" mDreamingLockscreen="); pw.print(mDreamingLockscreen);
7818                pw.print(" mDreamingSleepToken="); pw.println(mDreamingSleepToken);
7819        if (mLastInputMethodWindow != null) {
7820            pw.print(prefix); pw.print("mLastInputMethodWindow=");
7821                    pw.println(mLastInputMethodWindow);
7822        }
7823        if (mLastInputMethodTargetWindow != null) {
7824            pw.print(prefix); pw.print("mLastInputMethodTargetWindow=");
7825                    pw.println(mLastInputMethodTargetWindow);
7826        }
7827        if (mStatusBar != null) {
7828            pw.print(prefix); pw.print("mStatusBar=");
7829                    pw.print(mStatusBar); pw.print(" isStatusBarKeyguard=");
7830                    pw.println(isStatusBarKeyguard());
7831        }
7832        if (mNavigationBar != null) {
7833            pw.print(prefix); pw.print("mNavigationBar=");
7834                    pw.println(mNavigationBar);
7835        }
7836        if (mFocusedWindow != null) {
7837            pw.print(prefix); pw.print("mFocusedWindow=");
7838                    pw.println(mFocusedWindow);
7839        }
7840        if (mFocusedApp != null) {
7841            pw.print(prefix); pw.print("mFocusedApp=");
7842                    pw.println(mFocusedApp);
7843        }
7844        if (mWinDismissingKeyguard != null) {
7845            pw.print(prefix); pw.print("mWinDismissingKeyguard=");
7846                    pw.println(mWinDismissingKeyguard);
7847        }
7848        if (mTopFullscreenOpaqueWindowState != null) {
7849            pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
7850                    pw.println(mTopFullscreenOpaqueWindowState);
7851        }
7852        if (mTopFullscreenOpaqueOrDimmingWindowState != null) {
7853            pw.print(prefix); pw.print("mTopFullscreenOpaqueOrDimmingWindowState=");
7854                    pw.println(mTopFullscreenOpaqueOrDimmingWindowState);
7855        }
7856        if (mForcingShowNavBar) {
7857            pw.print(prefix); pw.print("mForcingShowNavBar=");
7858                    pw.println(mForcingShowNavBar); pw.print( "mForcingShowNavBarLayer=");
7859                    pw.println(mForcingShowNavBarLayer);
7860        }
7861        pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
7862                pw.print(" mHideLockScreen="); pw.println(mHideLockScreen);
7863        pw.print(prefix); pw.print("mForceStatusBar="); pw.print(mForceStatusBar);
7864                pw.print(" mForceStatusBarFromKeyguard=");
7865                pw.println(mForceStatusBarFromKeyguard);
7866        pw.print(prefix); pw.print("mDismissKeyguard="); pw.print(mDismissKeyguard);
7867                pw.print(" mWinDismissingKeyguard="); pw.print(mWinDismissingKeyguard);
7868                pw.print(" mHomePressed="); pw.println(mHomePressed);
7869        pw.print(prefix); pw.print("mAllowLockscreenWhenOn="); pw.print(mAllowLockscreenWhenOn);
7870                pw.print(" mLockScreenTimeout="); pw.print(mLockScreenTimeout);
7871                pw.print(" mLockScreenTimerActive="); pw.println(mLockScreenTimerActive);
7872        pw.print(prefix); pw.print("mEndcallBehavior="); pw.print(mEndcallBehavior);
7873                pw.print(" mIncallPowerBehavior="); pw.print(mIncallPowerBehavior);
7874                pw.print(" mLongPressOnHomeBehavior="); pw.println(mLongPressOnHomeBehavior);
7875        pw.print(prefix); pw.print("mLandscapeRotation="); pw.print(mLandscapeRotation);
7876                pw.print(" mSeascapeRotation="); pw.println(mSeascapeRotation);
7877        pw.print(prefix); pw.print("mPortraitRotation="); pw.print(mPortraitRotation);
7878                pw.print(" mUpsideDownRotation="); pw.println(mUpsideDownRotation);
7879        pw.print(prefix); pw.print("mDemoHdmiRotation="); pw.print(mDemoHdmiRotation);
7880                pw.print(" mDemoHdmiRotationLock="); pw.println(mDemoHdmiRotationLock);
7881        pw.print(prefix); pw.print("mUndockedHdmiRotation="); pw.println(mUndockedHdmiRotation);
7882
7883        mGlobalKeyManager.dump(prefix, pw);
7884        mStatusBarController.dump(pw, prefix);
7885        mNavigationBarController.dump(pw, prefix);
7886        PolicyControl.dump(prefix, pw);
7887
7888        if (mWakeGestureListener != null) {
7889            mWakeGestureListener.dump(pw, prefix);
7890        }
7891        if (mOrientationListener != null) {
7892            mOrientationListener.dump(pw, prefix);
7893        }
7894        if (mBurnInProtectionHelper != null) {
7895            mBurnInProtectionHelper.dump(prefix, pw);
7896        }
7897        if (mKeyguardDelegate != null) {
7898            mKeyguardDelegate.dump(prefix, pw);
7899        }
7900    }
7901}
7902