PhoneWindowManager.java revision 71c510236c92c14efae6ff00e68cf9ad38f51c32 
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    // Number of presses needed before we induce panic press behavior on the back button
204    static final int PANIC_PRESS_BACK_COUNT = 4;
205    static final int PANIC_PRESS_BACK_NOTHING = 0;
206    static final int PANIC_PRESS_BACK_HOME = 1;
207
208    // These need to match the documentation/constant in
209    // core/res/res/values/config.xml
210    static final int LONG_PRESS_HOME_NOTHING = 0;
211    static final int LONG_PRESS_HOME_RECENT_SYSTEM_UI = 1;
212    static final int LONG_PRESS_HOME_ASSIST = 2;
213    static final int LAST_LONG_PRESS_HOME_BEHAVIOR = LONG_PRESS_HOME_ASSIST;
214
215    static final int DOUBLE_TAP_HOME_NOTHING = 0;
216    static final int DOUBLE_TAP_HOME_RECENT_SYSTEM_UI = 1;
217
218    static final int SHORT_PRESS_WINDOW_NOTHING = 0;
219    static final int SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE = 1;
220
221    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP = 0;
222    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME = 1;
223
224    static final int PENDING_KEY_NULL = -1;
225
226    // Controls navigation bar opacity depending on which workspace stacks are currently
227    // visible.
228    // Nav bar is always opaque when either the freeform stack or docked stack is visible.
229    static final int NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED = 0;
230    // Nav bar is always translucent when the freeform stack is visible, otherwise always opaque.
231    static final int NAV_BAR_TRANSLUCENT_WHEN_FREEFORM_OPAQUE_OTHERWISE = 1;
232
233    static final int APPLICATION_MEDIA_SUBLAYER = -2;
234    static final int APPLICATION_MEDIA_OVERLAY_SUBLAYER = -1;
235    static final int APPLICATION_PANEL_SUBLAYER = 1;
236    static final int APPLICATION_SUB_PANEL_SUBLAYER = 2;
237    static final int APPLICATION_ABOVE_SUB_PANEL_SUBLAYER = 3;
238
239    static public final String SYSTEM_DIALOG_REASON_KEY = "reason";
240    static public final String SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS = "globalactions";
241    static public final String SYSTEM_DIALOG_REASON_RECENT_APPS = "recentapps";
242    static public final String SYSTEM_DIALOG_REASON_HOME_KEY = "homekey";
243    static public final String SYSTEM_DIALOG_REASON_ASSIST = "assist";
244
245    /**
246     * These are the system UI flags that, when changing, can cause the layout
247     * of the screen to change.
248     */
249    static final int SYSTEM_UI_CHANGING_LAYOUT =
250              View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
251            | View.SYSTEM_UI_FLAG_FULLSCREEN
252            | View.STATUS_BAR_TRANSLUCENT
253            | View.NAVIGATION_BAR_TRANSLUCENT
254            | View.STATUS_BAR_TRANSPARENT
255            | View.NAVIGATION_BAR_TRANSPARENT;
256
257    private static final AudioAttributes VIBRATION_ATTRIBUTES = new AudioAttributes.Builder()
258            .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
259            .setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION)
260            .build();
261
262    // The panic gesture may become active only after the keyguard is dismissed and the immersive
263    // app shows again. If that doesn't happen for 30s we drop the gesture.
264    private static final long PANIC_GESTURE_EXPIRATION = 30000;
265
266    private static final String SYSUI_PACKAGE = "com.android.systemui";
267    private static final String SYSUI_SCREENSHOT_SERVICE =
268            "com.android.systemui.screenshot.TakeScreenshotService";
269    private static final String SYSUI_SCREENSHOT_ERROR_RECEIVER =
270            "com.android.systemui.screenshot.ScreenshotServiceErrorReceiver";
271
272    private static final int NAV_BAR_BOTTOM = 0;
273    private static final int NAV_BAR_RIGHT = 1;
274    private static final int NAV_BAR_LEFT = 2;
275
276    /**
277     * Keyguard stuff
278     */
279    private WindowState mKeyguardScrim;
280    private boolean mKeyguardHidden;
281    private boolean mKeyguardDrawnOnce;
282
283    /* Table of Application Launch keys.  Maps from key codes to intent categories.
284     *
285     * These are special keys that are used to launch particular kinds of applications,
286     * such as a web browser.  HID defines nearly a hundred of them in the Consumer (0x0C)
287     * usage page.  We don't support quite that many yet...
288     */
289    static SparseArray<String> sApplicationLaunchKeyCategories;
290    static {
291        sApplicationLaunchKeyCategories = new SparseArray<String>();
292        sApplicationLaunchKeyCategories.append(
293                KeyEvent.KEYCODE_EXPLORER, Intent.CATEGORY_APP_BROWSER);
294        sApplicationLaunchKeyCategories.append(
295                KeyEvent.KEYCODE_ENVELOPE, Intent.CATEGORY_APP_EMAIL);
296        sApplicationLaunchKeyCategories.append(
297                KeyEvent.KEYCODE_CONTACTS, Intent.CATEGORY_APP_CONTACTS);
298        sApplicationLaunchKeyCategories.append(
299                KeyEvent.KEYCODE_CALENDAR, Intent.CATEGORY_APP_CALENDAR);
300        sApplicationLaunchKeyCategories.append(
301                KeyEvent.KEYCODE_MUSIC, Intent.CATEGORY_APP_MUSIC);
302        sApplicationLaunchKeyCategories.append(
303                KeyEvent.KEYCODE_CALCULATOR, Intent.CATEGORY_APP_CALCULATOR);
304    }
305
306    /** Amount of time (in milliseconds) to wait for windows drawn before powering on. */
307    static final int WAITING_FOR_DRAWN_TIMEOUT = 1000;
308
309    /** Amount of time (in milliseconds) a toast window can be shown. */
310    public static final int TOAST_WINDOW_TIMEOUT = 3500; // 3.5 seconds
311
312    /**
313     * Lock protecting internal state.  Must not call out into window
314     * manager with lock held.  (This lock will be acquired in places
315     * where the window manager is calling in with its own lock held.)
316     */
317    private final Object mLock = new Object();
318
319    Context mContext;
320    IWindowManager mWindowManager;
321    WindowManagerFuncs mWindowManagerFuncs;
322    WindowManagerInternal mWindowManagerInternal;
323    PowerManager mPowerManager;
324    ActivityManagerInternal mActivityManagerInternal;
325    InputManagerInternal mInputManagerInternal;
326    DreamManagerInternal mDreamManagerInternal;
327    PowerManagerInternal mPowerManagerInternal;
328    IStatusBarService mStatusBarService;
329    StatusBarManagerInternal mStatusBarManagerInternal;
330    boolean mPreloadedRecentApps;
331    final Object mServiceAquireLock = new Object();
332    Vibrator mVibrator; // Vibrator for giving feedback of orientation changes
333    SearchManager mSearchManager;
334    AccessibilityManager mAccessibilityManager;
335    BurnInProtectionHelper mBurnInProtectionHelper;
336    AppOpsManager mAppOpsManager;
337    private boolean mHasFeatureWatch;
338
339    // Vibrator pattern for haptic feedback of a long press.
340    long[] mLongPressVibePattern;
341
342    // Vibrator pattern for haptic feedback of virtual key press.
343    long[] mVirtualKeyVibePattern;
344
345    // Vibrator pattern for a short vibration.
346    long[] mKeyboardTapVibePattern;
347
348    // Vibrator pattern for a short vibration when tapping on an hour/minute tick of a Clock.
349    long[] mClockTickVibePattern;
350
351    // Vibrator pattern for a short vibration when tapping on a day/month/year date of a Calendar.
352    long[] mCalendarDateVibePattern;
353
354    // Vibrator pattern for haptic feedback during boot when safe mode is disabled.
355    long[] mSafeModeDisabledVibePattern;
356
357    // Vibrator pattern for haptic feedback during boot when safe mode is enabled.
358    long[] mSafeModeEnabledVibePattern;
359
360    // Vibrator pattern for haptic feedback of a context click.
361    long[] mContextClickVibePattern;
362
363    /** If true, hitting shift & menu will broadcast Intent.ACTION_BUG_REPORT */
364    boolean mEnableShiftMenuBugReports = false;
365
366    boolean mSafeMode;
367    WindowState mStatusBar = null;
368    int mStatusBarHeight;
369    WindowState mNavigationBar = null;
370    boolean mHasNavigationBar = false;
371    boolean mNavigationBarCanMove = false; // can the navigation bar ever move to the side?
372    int mNavigationBarPosition = NAV_BAR_BOTTOM;
373    int[] mNavigationBarHeightForRotationDefault = new int[4];
374    int[] mNavigationBarWidthForRotationDefault = new int[4];
375    int[] mNavigationBarHeightForRotationInCarMode = new int[4];
376    int[] mNavigationBarWidthForRotationInCarMode = new int[4];
377
378    private LongSparseArray<IShortcutService> mShortcutKeyServices = new LongSparseArray<>();
379
380    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
381    // This is for car dock and this is updated from resource.
382    private boolean mEnableCarDockHomeCapture = true;
383
384    boolean mBootMessageNeedsHiding;
385    KeyguardServiceDelegate mKeyguardDelegate;
386    final Runnable mWindowManagerDrawCallback = new Runnable() {
387        @Override
388        public void run() {
389            if (DEBUG_WAKEUP) Slog.i(TAG, "All windows ready for display!");
390            mHandler.sendEmptyMessage(MSG_WINDOW_MANAGER_DRAWN_COMPLETE);
391        }
392    };
393    final DrawnListener mKeyguardDrawnCallback = new DrawnListener() {
394        @Override
395        public void onDrawn() {
396            if (DEBUG_WAKEUP) Slog.d(TAG, "mKeyguardDelegate.ShowListener.onDrawn.");
397            mHandler.sendEmptyMessage(MSG_KEYGUARD_DRAWN_COMPLETE);
398        }
399    };
400
401    GlobalActions mGlobalActions;
402    Handler mHandler;
403    WindowState mLastInputMethodWindow = null;
404    WindowState mLastInputMethodTargetWindow = null;
405
406    // FIXME This state is shared between the input reader and handler thread.
407    // Technically it's broken and buggy but it has been like this for many years
408    // and we have not yet seen any problems.  Someday we'll rewrite this logic
409    // so that only one thread is involved in handling input policy.  Unfortunately
410    // it's on a critical path for power management so we can't just post the work to the
411    // handler thread.  We'll need to resolve this someday by teaching the input dispatcher
412    // to hold wakelocks during dispatch and eliminating the critical path.
413    volatile boolean mPowerKeyHandled;
414    volatile boolean mBackKeyHandled;
415    volatile boolean mBeganFromNonInteractive;
416    volatile int mPowerKeyPressCounter;
417    volatile int mBackKeyPressCounter;
418    volatile boolean mEndCallKeyHandled;
419    volatile boolean mCameraGestureTriggeredDuringGoingToSleep;
420    volatile boolean mGoingToSleep;
421    volatile boolean mRecentsVisible;
422    volatile boolean mTvPictureInPictureVisible;
423
424    // Used to hold the last user key used to wake the device.  This helps us prevent up events
425    // from being passed to the foregrounded app without a corresponding down event
426    volatile int mPendingWakeKey = PENDING_KEY_NULL;
427
428    int mRecentAppsHeldModifiers;
429    boolean mLanguageSwitchKeyPressed;
430
431    int mLidState = LID_ABSENT;
432    int mCameraLensCoverState = CAMERA_LENS_COVER_ABSENT;
433    boolean mHaveBuiltInKeyboard;
434
435    boolean mSystemReady;
436    boolean mSystemBooted;
437    private boolean mDeferBindKeyguard;
438    boolean mHdmiPlugged;
439    HdmiControl mHdmiControl;
440    IUiModeManager mUiModeManager;
441    int mUiMode;
442    int mDockMode = Intent.EXTRA_DOCK_STATE_UNDOCKED;
443    int mLidOpenRotation;
444    int mCarDockRotation;
445    int mDeskDockRotation;
446    int mUndockedHdmiRotation;
447    int mDemoHdmiRotation;
448    boolean mDemoHdmiRotationLock;
449    int mDemoRotation;
450    boolean mDemoRotationLock;
451
452    boolean mWakeGestureEnabledSetting;
453    MyWakeGestureListener mWakeGestureListener;
454
455    // Default display does not rotate, apps that require non-default orientation will have to
456    // have the orientation emulated.
457    private boolean mForceDefaultOrientation = false;
458
459    int mUserRotationMode = WindowManagerPolicy.USER_ROTATION_FREE;
460    int mUserRotation = Surface.ROTATION_0;
461    boolean mAccelerometerDefault;
462
463    boolean mSupportAutoRotation;
464    int mAllowAllRotations = -1;
465    boolean mCarDockEnablesAccelerometer;
466    boolean mDeskDockEnablesAccelerometer;
467    int mLidKeyboardAccessibility;
468    int mLidNavigationAccessibility;
469    boolean mLidControlsScreenLock;
470    boolean mLidControlsSleep;
471    int mShortPressOnPowerBehavior;
472    int mLongPressOnPowerBehavior;
473    int mDoublePressOnPowerBehavior;
474    int mTriplePressOnPowerBehavior;
475    int mLongPressOnBackBehavior;
476    int mPanicPressOnBackBehavior;
477    int mShortPressOnSleepBehavior;
478    int mShortPressWindowBehavior;
479    boolean mAwake;
480    boolean mScreenOnEarly;
481    boolean mScreenOnFully;
482    ScreenOnListener mScreenOnListener;
483    boolean mKeyguardDrawComplete;
484    boolean mWindowManagerDrawComplete;
485    boolean mOrientationSensorEnabled = false;
486    int mCurrentAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
487    boolean mHasSoftInput = false;
488    boolean mTranslucentDecorEnabled = true;
489    boolean mUseTvRouting;
490
491    int mPointerLocationMode = 0; // guarded by mLock
492
493    // The last window we were told about in focusChanged.
494    WindowState mFocusedWindow;
495    IApplicationToken mFocusedApp;
496
497    PointerLocationView mPointerLocationView;
498
499    // The current size of the screen; really; extends into the overscan area of
500    // the screen and doesn't account for any system elements like the status bar.
501    int mOverscanScreenLeft, mOverscanScreenTop;
502    int mOverscanScreenWidth, mOverscanScreenHeight;
503    // The current visible size of the screen; really; (ir)regardless of whether the status
504    // bar can be hidden but not extending into the overscan area.
505    int mUnrestrictedScreenLeft, mUnrestrictedScreenTop;
506    int mUnrestrictedScreenWidth, mUnrestrictedScreenHeight;
507    // Like mOverscanScreen*, but allowed to move into the overscan region where appropriate.
508    int mRestrictedOverscanScreenLeft, mRestrictedOverscanScreenTop;
509    int mRestrictedOverscanScreenWidth, mRestrictedOverscanScreenHeight;
510    // The current size of the screen; these may be different than (0,0)-(dw,dh)
511    // if the status bar can't be hidden; in that case it effectively carves out
512    // that area of the display from all other windows.
513    int mRestrictedScreenLeft, mRestrictedScreenTop;
514    int mRestrictedScreenWidth, mRestrictedScreenHeight;
515    // During layout, the current screen borders accounting for any currently
516    // visible system UI elements.
517    int mSystemLeft, mSystemTop, mSystemRight, mSystemBottom;
518    // For applications requesting stable content insets, these are them.
519    int mStableLeft, mStableTop, mStableRight, mStableBottom;
520    // For applications requesting stable content insets but have also set the
521    // fullscreen window flag, these are the stable dimensions without the status bar.
522    int mStableFullscreenLeft, mStableFullscreenTop;
523    int mStableFullscreenRight, mStableFullscreenBottom;
524    // During layout, the current screen borders with all outer decoration
525    // (status bar, input method dock) accounted for.
526    int mCurLeft, mCurTop, mCurRight, mCurBottom;
527    // During layout, the frame in which content should be displayed
528    // to the user, accounting for all screen decoration except for any
529    // space they deem as available for other content.  This is usually
530    // the same as mCur*, but may be larger if the screen decor has supplied
531    // content insets.
532    int mContentLeft, mContentTop, mContentRight, mContentBottom;
533    // During layout, the frame in which voice content should be displayed
534    // to the user, accounting for all screen decoration except for any
535    // space they deem as available for other content.
536    int mVoiceContentLeft, mVoiceContentTop, mVoiceContentRight, mVoiceContentBottom;
537    // During layout, the current screen borders along which input method
538    // windows are placed.
539    int mDockLeft, mDockTop, mDockRight, mDockBottom;
540    // During layout, the layer at which the doc window is placed.
541    int mDockLayer;
542    // During layout, this is the layer of the status bar.
543    int mStatusBarLayer;
544    int mLastSystemUiFlags;
545    // Bits that we are in the process of clearing, so we want to prevent
546    // them from being set by applications until everything has been updated
547    // to have them clear.
548    int mResettingSystemUiFlags = 0;
549    // Bits that we are currently always keeping cleared.
550    int mForceClearedSystemUiFlags = 0;
551    int mLastFullscreenStackSysUiFlags;
552    int mLastDockedStackSysUiFlags;
553    final Rect mNonDockedStackBounds = new Rect();
554    final Rect mDockedStackBounds = new Rect();
555    final Rect mLastNonDockedStackBounds = new Rect();
556    final Rect mLastDockedStackBounds = new Rect();
557
558    // What we last reported to system UI about whether the compatibility
559    // menu needs to be displayed.
560    boolean mLastFocusNeedsMenu = false;
561    // If nonzero, a panic gesture was performed at that time in uptime millis and is still pending.
562    private long mPendingPanicGestureUptime;
563
564    InputConsumer mInputConsumer = null;
565
566    static final Rect mTmpParentFrame = new Rect();
567    static final Rect mTmpDisplayFrame = new Rect();
568    static final Rect mTmpOverscanFrame = new Rect();
569    static final Rect mTmpContentFrame = new Rect();
570    static final Rect mTmpVisibleFrame = new Rect();
571    static final Rect mTmpDecorFrame = new Rect();
572    static final Rect mTmpStableFrame = new Rect();
573    static final Rect mTmpNavigationFrame = new Rect();
574    static final Rect mTmpOutsetFrame = new Rect();
575    private static final Rect mTmpRect = new Rect();
576
577    WindowState mTopFullscreenOpaqueWindowState;
578    WindowState mTopFullscreenOpaqueOrDimmingWindowState;
579    WindowState mTopDockedOpaqueWindowState;
580    WindowState mTopDockedOpaqueOrDimmingWindowState;
581    HashSet<IApplicationToken> mAppsToBeHidden = new HashSet<IApplicationToken>();
582    HashSet<IApplicationToken> mAppsThatDismissKeyguard = new HashSet<IApplicationToken>();
583    boolean mTopIsFullscreen;
584    boolean mForceStatusBar;
585    boolean mForceStatusBarFromKeyguard;
586    private boolean mForceStatusBarTransparent;
587    int mNavBarOpacityMode = NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED;
588    boolean mHideLockScreen;
589    boolean mForcingShowNavBar;
590    int mForcingShowNavBarLayer;
591
592    // States of keyguard dismiss.
593    private static final int DISMISS_KEYGUARD_NONE = 0; // Keyguard not being dismissed.
594    private static final int DISMISS_KEYGUARD_START = 1; // Keyguard needs to be dismissed.
595    private static final int DISMISS_KEYGUARD_CONTINUE = 2; // Keyguard has been dismissed.
596    int mDismissKeyguard = DISMISS_KEYGUARD_NONE;
597
598    /** The window that is currently dismissing the keyguard. Dismissing the keyguard must only
599     * be done once per window. */
600    private WindowState mWinDismissingKeyguard;
601
602    /** When window is currently dismissing the keyguard, dismissing the keyguard must handle
603     * the keygaurd secure state change instantly case, e.g. the use case of inserting a PIN
604     * lock SIM card. This variable is used to record the previous keyguard secure state for
605     * monitoring secure state change on window dismissing keyguard. */
606    private boolean mSecureDismissingKeyguard;
607
608    /** The window that is currently showing "over" the keyguard. If there is an app window
609     * belonging to another app on top of this the keyguard shows. If there is a fullscreen
610     * app window under this, still dismiss the keyguard but don't show the app underneath. Show
611     * the wallpaper. */
612    private WindowState mWinShowWhenLocked;
613
614    boolean mShowingLockscreen;
615    boolean mShowingDream;
616    boolean mDreamingLockscreen;
617    boolean mDreamingSleepTokenNeeded;
618    SleepToken mDreamingSleepToken;
619    SleepToken mScreenOffSleepToken;
620    boolean mKeyguardSecure;
621    boolean mKeyguardSecureIncludingHidden;
622    volatile boolean mKeyguardOccluded;
623    boolean mHomePressed;
624    boolean mHomeConsumed;
625    boolean mHomeDoubleTapPending;
626    Intent mHomeIntent;
627    Intent mCarDockIntent;
628    Intent mDeskDockIntent;
629    boolean mSearchKeyShortcutPending;
630    boolean mConsumeSearchKeyUp;
631    boolean mAssistKeyLongPressed;
632    boolean mPendingMetaAction;
633    boolean mPendingCapsLockToggle;
634    int mMetaState;
635    int mInitialMetaState;
636    boolean mForceShowSystemBars;
637
638    // support for activating the lock screen while the screen is on
639    boolean mAllowLockscreenWhenOn;
640    int mLockScreenTimeout;
641    boolean mLockScreenTimerActive;
642
643    // Behavior of ENDCALL Button.  (See Settings.System.END_BUTTON_BEHAVIOR.)
644    int mEndcallBehavior;
645
646    // Behavior of POWER button while in-call and screen on.
647    // (See Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR.)
648    int mIncallPowerBehavior;
649
650    Display mDisplay;
651
652    private int mDisplayRotation;
653
654    int mLandscapeRotation = 0;  // default landscape rotation
655    int mSeascapeRotation = 0;   // "other" landscape rotation, 180 degrees from mLandscapeRotation
656    int mPortraitRotation = 0;   // default portrait rotation
657    int mUpsideDownRotation = 0; // "other" portrait rotation
658
659    int mOverscanLeft = 0;
660    int mOverscanTop = 0;
661    int mOverscanRight = 0;
662    int mOverscanBottom = 0;
663
664    // What we do when the user long presses on home
665    private int mLongPressOnHomeBehavior;
666
667    // What we do when the user double-taps on home
668    private int mDoubleTapOnHomeBehavior;
669
670    // Allowed theater mode wake actions
671    private boolean mAllowTheaterModeWakeFromKey;
672    private boolean mAllowTheaterModeWakeFromPowerKey;
673    private boolean mAllowTheaterModeWakeFromMotion;
674    private boolean mAllowTheaterModeWakeFromMotionWhenNotDreaming;
675    private boolean mAllowTheaterModeWakeFromCameraLens;
676    private boolean mAllowTheaterModeWakeFromLidSwitch;
677    private boolean mAllowTheaterModeWakeFromWakeGesture;
678
679    // Whether to support long press from power button in non-interactive mode
680    private boolean mSupportLongPressPowerWhenNonInteractive;
681
682    // Whether to go to sleep entering theater mode from power button
683    private boolean mGoToSleepOnButtonPressTheaterMode;
684
685    // Screenshot trigger states
686    // Time to volume and power must be pressed within this interval of each other.
687    private static final long SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS = 150;
688    // Increase the chord delay when taking a screenshot from the keyguard
689    private static final float KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER = 2.5f;
690    private boolean mScreenshotChordEnabled;
691    private boolean mScreenshotChordVolumeDownKeyTriggered;
692    private long mScreenshotChordVolumeDownKeyTime;
693    private boolean mScreenshotChordVolumeDownKeyConsumed;
694    private boolean mScreenshotChordVolumeUpKeyTriggered;
695    private boolean mScreenshotChordPowerKeyTriggered;
696    private long mScreenshotChordPowerKeyTime;
697
698    /* The number of steps between min and max brightness */
699    private static final int BRIGHTNESS_STEPS = 10;
700
701    SettingsObserver mSettingsObserver;
702    ShortcutManager mShortcutManager;
703    PowerManager.WakeLock mBroadcastWakeLock;
704    PowerManager.WakeLock mPowerKeyWakeLock;
705    boolean mHavePendingMediaKeyRepeatWithWakeLock;
706
707    private int mCurrentUserId;
708
709    // Maps global key codes to the components that will handle them.
710    private GlobalKeyManager mGlobalKeyManager;
711
712    // Fallback actions by key code.
713    private final SparseArray<KeyCharacterMap.FallbackAction> mFallbackActions =
714            new SparseArray<KeyCharacterMap.FallbackAction>();
715
716    private final LogDecelerateInterpolator mLogDecelerateInterpolator
717            = new LogDecelerateInterpolator(100, 0);
718
719    private final MutableBoolean mTmpBoolean = new MutableBoolean(false);
720
721    private static final int MSG_ENABLE_POINTER_LOCATION = 1;
722    private static final int MSG_DISABLE_POINTER_LOCATION = 2;
723    private static final int MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK = 3;
724    private static final int MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK = 4;
725    private static final int MSG_KEYGUARD_DRAWN_COMPLETE = 5;
726    private static final int MSG_KEYGUARD_DRAWN_TIMEOUT = 6;
727    private static final int MSG_WINDOW_MANAGER_DRAWN_COMPLETE = 7;
728    private static final int MSG_DISPATCH_SHOW_RECENTS = 9;
729    private static final int MSG_DISPATCH_SHOW_GLOBAL_ACTIONS = 10;
730    private static final int MSG_HIDE_BOOT_MESSAGE = 11;
731    private static final int MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK = 12;
732    private static final int MSG_POWER_DELAYED_PRESS = 13;
733    private static final int MSG_POWER_LONG_PRESS = 14;
734    private static final int MSG_UPDATE_DREAMING_SLEEP_TOKEN = 15;
735    private static final int MSG_REQUEST_TRANSIENT_BARS = 16;
736    private static final int MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU = 17;
737    private static final int MSG_BACK_LONG_PRESS = 18;
738    private static final int MSG_DISPOSE_INPUT_CONSUMER = 19;
739    private static final int MSG_BACK_DELAYED_PRESS = 20;
740
741    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS = 0;
742    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION = 1;
743
744    private class PolicyHandler extends Handler {
745        @Override
746        public void handleMessage(Message msg) {
747            switch (msg.what) {
748                case MSG_ENABLE_POINTER_LOCATION:
749                    enablePointerLocation();
750                    break;
751                case MSG_DISABLE_POINTER_LOCATION:
752                    disablePointerLocation();
753                    break;
754                case MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK:
755                    dispatchMediaKeyWithWakeLock((KeyEvent)msg.obj);
756                    break;
757                case MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK:
758                    dispatchMediaKeyRepeatWithWakeLock((KeyEvent)msg.obj);
759                    break;
760                case MSG_DISPATCH_SHOW_RECENTS:
761                    showRecentApps(false, msg.arg1 != 0);
762                    break;
763                case MSG_DISPATCH_SHOW_GLOBAL_ACTIONS:
764                    showGlobalActionsInternal();
765                    break;
766                case MSG_KEYGUARD_DRAWN_COMPLETE:
767                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mKeyguardDrawComplete");
768                    finishKeyguardDrawn();
769                    break;
770                case MSG_KEYGUARD_DRAWN_TIMEOUT:
771                    Slog.w(TAG, "Keyguard drawn timeout. Setting mKeyguardDrawComplete");
772                    finishKeyguardDrawn();
773                    break;
774                case MSG_WINDOW_MANAGER_DRAWN_COMPLETE:
775                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mWindowManagerDrawComplete");
776                    finishWindowsDrawn();
777                    break;
778                case MSG_HIDE_BOOT_MESSAGE:
779                    handleHideBootMessage();
780                    break;
781                case MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK:
782                    launchVoiceAssistWithWakeLock(msg.arg1 != 0);
783                    break;
784                case MSG_POWER_DELAYED_PRESS:
785                    powerPress((Long)msg.obj, msg.arg1 != 0, msg.arg2);
786                    finishPowerKeyPress();
787                    break;
788                case MSG_POWER_LONG_PRESS:
789                    powerLongPress();
790                    break;
791                case MSG_UPDATE_DREAMING_SLEEP_TOKEN:
792                    updateDreamingSleepToken(msg.arg1 != 0);
793                    break;
794                case MSG_REQUEST_TRANSIENT_BARS:
795                    WindowState targetBar = (msg.arg1 == MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS) ?
796                            mStatusBar : mNavigationBar;
797                    if (targetBar != null) {
798                        requestTransientBars(targetBar);
799                    }
800                    break;
801                case MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU:
802                    showTvPictureInPictureMenuInternal();
803                    break;
804                case MSG_BACK_LONG_PRESS:
805                    backLongPress();
806                    finishBackKeyPress();
807                    break;
808                case MSG_DISPOSE_INPUT_CONSUMER:
809                    disposeInputConsumer((InputConsumer) msg.obj);
810                    break;
811                case MSG_BACK_DELAYED_PRESS:
812                    backMultiPressAction((Long) msg.obj, msg.arg1);
813                    finishBackKeyPress();
814                    break;
815            }
816        }
817    }
818
819    private UEventObserver mHDMIObserver = new UEventObserver() {
820        @Override
821        public void onUEvent(UEventObserver.UEvent event) {
822            setHdmiPlugged("1".equals(event.get("SWITCH_STATE")));
823        }
824    };
825
826    class SettingsObserver extends ContentObserver {
827        SettingsObserver(Handler handler) {
828            super(handler);
829        }
830
831        void observe() {
832            // Observe all users' changes
833            ContentResolver resolver = mContext.getContentResolver();
834            resolver.registerContentObserver(Settings.System.getUriFor(
835                    Settings.System.END_BUTTON_BEHAVIOR), false, this,
836                    UserHandle.USER_ALL);
837            resolver.registerContentObserver(Settings.Secure.getUriFor(
838                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR), false, this,
839                    UserHandle.USER_ALL);
840            resolver.registerContentObserver(Settings.Secure.getUriFor(
841                    Settings.Secure.WAKE_GESTURE_ENABLED), false, this,
842                    UserHandle.USER_ALL);
843            resolver.registerContentObserver(Settings.System.getUriFor(
844                    Settings.System.ACCELEROMETER_ROTATION), false, this,
845                    UserHandle.USER_ALL);
846            resolver.registerContentObserver(Settings.System.getUriFor(
847                    Settings.System.USER_ROTATION), false, this,
848                    UserHandle.USER_ALL);
849            resolver.registerContentObserver(Settings.System.getUriFor(
850                    Settings.System.SCREEN_OFF_TIMEOUT), false, this,
851                    UserHandle.USER_ALL);
852            resolver.registerContentObserver(Settings.System.getUriFor(
853                    Settings.System.POINTER_LOCATION), false, this,
854                    UserHandle.USER_ALL);
855            resolver.registerContentObserver(Settings.Secure.getUriFor(
856                    Settings.Secure.DEFAULT_INPUT_METHOD), false, this,
857                    UserHandle.USER_ALL);
858            resolver.registerContentObserver(Settings.Secure.getUriFor(
859                    Settings.Secure.IMMERSIVE_MODE_CONFIRMATIONS), false, this,
860                    UserHandle.USER_ALL);
861            resolver.registerContentObserver(Settings.Global.getUriFor(
862                    Settings.Global.POLICY_CONTROL), false, this,
863                    UserHandle.USER_ALL);
864            updateSettings();
865        }
866
867        @Override public void onChange(boolean selfChange) {
868            updateSettings();
869            updateRotation(false);
870        }
871    }
872
873    class MyWakeGestureListener extends WakeGestureListener {
874        MyWakeGestureListener(Context context, Handler handler) {
875            super(context, handler);
876        }
877
878        @Override
879        public void onWakeUp() {
880            synchronized (mLock) {
881                if (shouldEnableWakeGestureLp()) {
882                    performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
883                    wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromWakeGesture,
884                            "android.policy:GESTURE");
885                }
886            }
887        }
888    }
889
890    class MyOrientationListener extends WindowOrientationListener {
891        private final Runnable mUpdateRotationRunnable = new Runnable() {
892            @Override
893            public void run() {
894                // send interaction hint to improve redraw performance
895                mPowerManagerInternal.powerHint(PowerManagerInternal.POWER_HINT_INTERACTION, 0);
896                updateRotation(false);
897            }
898        };
899
900        MyOrientationListener(Context context, Handler handler) {
901            super(context, handler);
902        }
903
904        @Override
905        public void onProposedRotationChanged(int rotation) {
906            if (localLOGV) Slog.v(TAG, "onProposedRotationChanged, rotation=" + rotation);
907            mHandler.post(mUpdateRotationRunnable);
908        }
909    }
910    MyOrientationListener mOrientationListener;
911
912    private final StatusBarController mStatusBarController = new StatusBarController();
913
914    private final BarController mNavigationBarController = new BarController("NavigationBar",
915            View.NAVIGATION_BAR_TRANSIENT,
916            View.NAVIGATION_BAR_UNHIDE,
917            View.NAVIGATION_BAR_TRANSLUCENT,
918            StatusBarManager.WINDOW_NAVIGATION_BAR,
919            WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION,
920            View.NAVIGATION_BAR_TRANSPARENT);
921
922    private ImmersiveModeConfirmation mImmersiveModeConfirmation;
923
924    private SystemGesturesPointerEventListener mSystemGestures;
925
926    IStatusBarService getStatusBarService() {
927        synchronized (mServiceAquireLock) {
928            if (mStatusBarService == null) {
929                mStatusBarService = IStatusBarService.Stub.asInterface(
930                        ServiceManager.getService("statusbar"));
931            }
932            return mStatusBarService;
933        }
934    }
935
936    StatusBarManagerInternal getStatusBarManagerInternal() {
937        synchronized (mServiceAquireLock) {
938            if (mStatusBarManagerInternal == null) {
939                mStatusBarManagerInternal =
940                        LocalServices.getService(StatusBarManagerInternal.class);
941            }
942            return mStatusBarManagerInternal;
943        }
944    }
945
946    /*
947     * We always let the sensor be switched on by default except when
948     * the user has explicitly disabled sensor based rotation or when the
949     * screen is switched off.
950     */
951    boolean needSensorRunningLp() {
952        if (mSupportAutoRotation) {
953            if (mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
954                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
955                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT
956                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE) {
957                // If the application has explicitly requested to follow the
958                // orientation, then we need to turn the sensor on.
959                return true;
960            }
961        }
962        if ((mCarDockEnablesAccelerometer && mDockMode == Intent.EXTRA_DOCK_STATE_CAR) ||
963                (mDeskDockEnablesAccelerometer && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
964                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
965                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK))) {
966            // enable accelerometer if we are docked in a dock that enables accelerometer
967            // orientation management,
968            return true;
969        }
970        if (mUserRotationMode == USER_ROTATION_LOCKED) {
971            // If the setting for using the sensor by default is enabled, then
972            // we will always leave it on.  Note that the user could go to
973            // a window that forces an orientation that does not use the
974            // sensor and in theory we could turn it off... however, when next
975            // turning it on we won't have a good value for the current
976            // orientation for a little bit, which can cause orientation
977            // changes to lag, so we'd like to keep it always on.  (It will
978            // still be turned off when the screen is off.)
979            return false;
980        }
981        return mSupportAutoRotation;
982    }
983
984    /*
985     * Various use cases for invoking this function
986     * screen turning off, should always disable listeners if already enabled
987     * screen turned on and current app has sensor based orientation, enable listeners
988     * if not already enabled
989     * screen turned on and current app does not have sensor orientation, disable listeners if
990     * already enabled
991     * screen turning on and current app has sensor based orientation, enable listeners if needed
992     * screen turning on and current app has nosensor based orientation, do nothing
993     */
994    void updateOrientationListenerLp() {
995        if (!mOrientationListener.canDetectOrientation()) {
996            // If sensor is turned off or nonexistent for some reason
997            return;
998        }
999        // Could have been invoked due to screen turning on or off or
1000        // change of the currently visible window's orientation.
1001        if (localLOGV) Slog.v(TAG, "mScreenOnEarly=" + mScreenOnEarly
1002                + ", mAwake=" + mAwake + ", mCurrentAppOrientation=" + mCurrentAppOrientation
1003                + ", mOrientationSensorEnabled=" + mOrientationSensorEnabled
1004                + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
1005                + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
1006        boolean disable = true;
1007        // Note: We postpone the rotating of the screen until the keyguard as well as the
1008        // window manager have reported a draw complete.
1009        if (mScreenOnEarly && mAwake &&
1010                mKeyguardDrawComplete && mWindowManagerDrawComplete) {
1011            if (needSensorRunningLp()) {
1012                disable = false;
1013                //enable listener if not already enabled
1014                if (!mOrientationSensorEnabled) {
1015                    mOrientationListener.enable();
1016                    if(localLOGV) Slog.v(TAG, "Enabling listeners");
1017                    mOrientationSensorEnabled = true;
1018                }
1019            }
1020        }
1021        //check if sensors need to be disabled
1022        if (disable && mOrientationSensorEnabled) {
1023            mOrientationListener.disable();
1024            if(localLOGV) Slog.v(TAG, "Disabling listeners");
1025            mOrientationSensorEnabled = false;
1026        }
1027    }
1028
1029    private void interceptBackKeyDown() {
1030        // Reset back key state for long press
1031        mBackKeyHandled = false;
1032
1033        // Cancel multi-press detection timeout.
1034        if (hasPanicPressOnBackBehavior()) {
1035            if (mBackKeyPressCounter != 0
1036                    && mBackKeyPressCounter < PANIC_PRESS_BACK_COUNT) {
1037                mHandler.removeMessages(MSG_BACK_DELAYED_PRESS);
1038            }
1039        }
1040
1041        if (hasLongPressOnBackBehavior()) {
1042            Message msg = mHandler.obtainMessage(MSG_BACK_LONG_PRESS);
1043            msg.setAsynchronous(true);
1044            mHandler.sendMessageDelayed(msg,
1045                    ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1046        }
1047    }
1048
1049    // returns true if the key was handled and should not be passed to the user
1050    private boolean interceptBackKeyUp(KeyEvent event) {
1051        // Cache handled state
1052        boolean handled = mBackKeyHandled;
1053
1054        if (hasPanicPressOnBackBehavior()) {
1055            // Check for back key panic press
1056            ++mBackKeyPressCounter;
1057
1058            final long eventTime = event.getDownTime();
1059
1060            if (mBackKeyPressCounter <= PANIC_PRESS_BACK_COUNT) {
1061                // This could be a multi-press.  Wait a little bit longer to confirm.
1062                Message msg = mHandler.obtainMessage(MSG_BACK_DELAYED_PRESS,
1063                        mBackKeyPressCounter, 0, eventTime);
1064                msg.setAsynchronous(true);
1065                mHandler.sendMessageDelayed(msg, ViewConfiguration.getMultiPressTimeout());
1066            }
1067        }
1068
1069        // Reset back long press state
1070        cancelPendingBackKeyAction();
1071
1072        return handled;
1073    }
1074
1075    private void interceptPowerKeyDown(KeyEvent event, boolean interactive) {
1076        // Hold a wake lock until the power key is released.
1077        if (!mPowerKeyWakeLock.isHeld()) {
1078            mPowerKeyWakeLock.acquire();
1079        }
1080
1081        // Cancel multi-press detection timeout.
1082        if (mPowerKeyPressCounter != 0) {
1083            mHandler.removeMessages(MSG_POWER_DELAYED_PRESS);
1084        }
1085
1086        // Detect user pressing the power button in panic when an application has
1087        // taken over the whole screen.
1088        boolean panic = mImmersiveModeConfirmation.onPowerKeyDown(interactive,
1089                SystemClock.elapsedRealtime(), isImmersiveMode(mLastSystemUiFlags),
1090                isNavBarEmpty(mLastSystemUiFlags));
1091        if (panic) {
1092            mHandler.post(mHiddenNavPanic);
1093        }
1094
1095        // Latch power key state to detect screenshot chord.
1096        if (interactive && !mScreenshotChordPowerKeyTriggered
1097                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
1098            mScreenshotChordPowerKeyTriggered = true;
1099            mScreenshotChordPowerKeyTime = event.getDownTime();
1100            interceptScreenshotChord();
1101        }
1102
1103        // Stop ringing or end call if configured to do so when power is pressed.
1104        TelecomManager telecomManager = getTelecommService();
1105        boolean hungUp = false;
1106        if (telecomManager != null) {
1107            if (telecomManager.isRinging()) {
1108                // Pressing Power while there's a ringing incoming
1109                // call should silence the ringer.
1110                telecomManager.silenceRinger();
1111            } else if ((mIncallPowerBehavior
1112                    & Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP) != 0
1113                    && telecomManager.isInCall() && interactive) {
1114                // Otherwise, if "Power button ends call" is enabled,
1115                // the Power button will hang up any current active call.
1116                hungUp = telecomManager.endCall();
1117            }
1118        }
1119
1120        GestureLauncherService gestureService = LocalServices.getService(
1121                GestureLauncherService.class);
1122        boolean gesturedServiceIntercepted = false;
1123        if (gestureService != null) {
1124            gesturedServiceIntercepted = gestureService.interceptPowerKeyDown(event, interactive,
1125                    mTmpBoolean);
1126            if (mTmpBoolean.value && mGoingToSleep) {
1127                mCameraGestureTriggeredDuringGoingToSleep = true;
1128            }
1129        }
1130
1131        // If the power key has still not yet been handled, then detect short
1132        // press, long press, or multi press and decide what to do.
1133        mPowerKeyHandled = hungUp || mScreenshotChordVolumeDownKeyTriggered
1134                || mScreenshotChordVolumeUpKeyTriggered || gesturedServiceIntercepted;
1135        if (!mPowerKeyHandled) {
1136            if (interactive) {
1137                // When interactive, we're already awake.
1138                // Wait for a long press or for the button to be released to decide what to do.
1139                if (hasLongPressOnPowerBehavior()) {
1140                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
1141                    msg.setAsynchronous(true);
1142                    mHandler.sendMessageDelayed(msg,
1143                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1144                }
1145            } else {
1146                wakeUpFromPowerKey(event.getDownTime());
1147
1148                if (mSupportLongPressPowerWhenNonInteractive && hasLongPressOnPowerBehavior()) {
1149                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
1150                    msg.setAsynchronous(true);
1151                    mHandler.sendMessageDelayed(msg,
1152                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1153                    mBeganFromNonInteractive = true;
1154                } else {
1155                    final int maxCount = getMaxMultiPressPowerCount();
1156
1157                    if (maxCount <= 1) {
1158                        mPowerKeyHandled = true;
1159                    } else {
1160                        mBeganFromNonInteractive = true;
1161                    }
1162                }
1163            }
1164        }
1165    }
1166
1167    private void interceptPowerKeyUp(KeyEvent event, boolean interactive, boolean canceled) {
1168        final boolean handled = canceled || mPowerKeyHandled;
1169        mScreenshotChordPowerKeyTriggered = false;
1170        cancelPendingScreenshotChordAction();
1171        cancelPendingPowerKeyAction();
1172
1173        if (!handled) {
1174            // Figure out how to handle the key now that it has been released.
1175            mPowerKeyPressCounter += 1;
1176
1177            final int maxCount = getMaxMultiPressPowerCount();
1178            final long eventTime = event.getDownTime();
1179            if (mPowerKeyPressCounter < maxCount) {
1180                // This could be a multi-press.  Wait a little bit longer to confirm.
1181                // Continue holding the wake lock.
1182                Message msg = mHandler.obtainMessage(MSG_POWER_DELAYED_PRESS,
1183                        interactive ? 1 : 0, mPowerKeyPressCounter, eventTime);
1184                msg.setAsynchronous(true);
1185                mHandler.sendMessageDelayed(msg, ViewConfiguration.getDoubleTapTimeout());
1186                return;
1187            }
1188
1189            // No other actions.  Handle it immediately.
1190            powerPress(eventTime, interactive, mPowerKeyPressCounter);
1191        }
1192
1193        // Done.  Reset our state.
1194        finishPowerKeyPress();
1195    }
1196
1197    private void finishPowerKeyPress() {
1198        mBeganFromNonInteractive = false;
1199        mPowerKeyPressCounter = 0;
1200        if (mPowerKeyWakeLock.isHeld()) {
1201            mPowerKeyWakeLock.release();
1202        }
1203    }
1204
1205    private void finishBackKeyPress() {
1206        mBackKeyPressCounter = 0;
1207    }
1208
1209    private void cancelPendingPowerKeyAction() {
1210        if (!mPowerKeyHandled) {
1211            mPowerKeyHandled = true;
1212            mHandler.removeMessages(MSG_POWER_LONG_PRESS);
1213        }
1214    }
1215
1216    private void cancelPendingBackKeyAction() {
1217        if (!mBackKeyHandled) {
1218            mBackKeyHandled = true;
1219            mHandler.removeMessages(MSG_BACK_LONG_PRESS);
1220        }
1221    }
1222
1223    private void backMultiPressAction(long eventTime, int count) {
1224        if (count >= PANIC_PRESS_BACK_COUNT) {
1225            switch (mPanicPressOnBackBehavior) {
1226                case PANIC_PRESS_BACK_NOTHING:
1227                    break;
1228                case PANIC_PRESS_BACK_HOME:
1229                    launchHomeFromHotKey();
1230                    break;
1231            }
1232        }
1233    }
1234
1235    private void powerPress(long eventTime, boolean interactive, int count) {
1236        if (mScreenOnEarly && !mScreenOnFully) {
1237            Slog.i(TAG, "Suppressed redundant power key press while "
1238                    + "already in the process of turning the screen on.");
1239            return;
1240        }
1241
1242        if (count == 2) {
1243            powerMultiPressAction(eventTime, interactive, mDoublePressOnPowerBehavior);
1244        } else if (count == 3) {
1245            powerMultiPressAction(eventTime, interactive, mTriplePressOnPowerBehavior);
1246        } else if (interactive && !mBeganFromNonInteractive) {
1247            switch (mShortPressOnPowerBehavior) {
1248                case SHORT_PRESS_POWER_NOTHING:
1249                    break;
1250                case SHORT_PRESS_POWER_GO_TO_SLEEP:
1251                    mPowerManager.goToSleep(eventTime,
1252                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1253                    break;
1254                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP:
1255                    mPowerManager.goToSleep(eventTime,
1256                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1257                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1258                    break;
1259                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME:
1260                    mPowerManager.goToSleep(eventTime,
1261                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1262                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1263                    launchHomeFromHotKey();
1264                    break;
1265                case SHORT_PRESS_POWER_GO_HOME:
1266                    launchHomeFromHotKey(true /* awakenFromDreams */, false /*respectKeyguard*/);
1267                    break;
1268            }
1269        }
1270    }
1271
1272    private void powerMultiPressAction(long eventTime, boolean interactive, int behavior) {
1273        switch (behavior) {
1274            case MULTI_PRESS_POWER_NOTHING:
1275                break;
1276            case MULTI_PRESS_POWER_THEATER_MODE:
1277                if (!isUserSetupComplete()) {
1278                    Slog.i(TAG, "Ignoring toggling theater mode - device not setup.");
1279                    break;
1280                }
1281
1282                if (isTheaterModeEnabled()) {
1283                    Slog.i(TAG, "Toggling theater mode off.");
1284                    Settings.Global.putInt(mContext.getContentResolver(),
1285                            Settings.Global.THEATER_MODE_ON, 0);
1286                    if (!interactive) {
1287                        wakeUpFromPowerKey(eventTime);
1288                    }
1289                } else {
1290                    Slog.i(TAG, "Toggling theater mode on.");
1291                    Settings.Global.putInt(mContext.getContentResolver(),
1292                            Settings.Global.THEATER_MODE_ON, 1);
1293
1294                    if (mGoToSleepOnButtonPressTheaterMode && interactive) {
1295                        mPowerManager.goToSleep(eventTime,
1296                                PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1297                    }
1298                }
1299                break;
1300            case MULTI_PRESS_POWER_BRIGHTNESS_BOOST:
1301                Slog.i(TAG, "Starting brightness boost.");
1302                if (!interactive) {
1303                    wakeUpFromPowerKey(eventTime);
1304                }
1305                mPowerManager.boostScreenBrightness(eventTime);
1306                break;
1307        }
1308    }
1309
1310    private int getMaxMultiPressPowerCount() {
1311        if (mTriplePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1312            return 3;
1313        }
1314        if (mDoublePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1315            return 2;
1316        }
1317        return 1;
1318    }
1319
1320    private void powerLongPress() {
1321        final int behavior = getResolvedLongPressOnPowerBehavior();
1322        switch (behavior) {
1323        case LONG_PRESS_POWER_NOTHING:
1324            break;
1325        case LONG_PRESS_POWER_GLOBAL_ACTIONS:
1326            mPowerKeyHandled = true;
1327            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1328                performAuditoryFeedbackForAccessibilityIfNeed();
1329            }
1330            showGlobalActionsInternal();
1331            break;
1332        case LONG_PRESS_POWER_SHUT_OFF:
1333        case LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM:
1334            mPowerKeyHandled = true;
1335            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1336            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1337            mWindowManagerFuncs.shutdown(behavior == LONG_PRESS_POWER_SHUT_OFF);
1338            break;
1339        }
1340    }
1341
1342    private void backLongPress() {
1343        mBackKeyHandled = true;
1344
1345        switch (mLongPressOnBackBehavior) {
1346            case LONG_PRESS_BACK_NOTHING:
1347                break;
1348            case LONG_PRESS_BACK_GO_TO_VOICE_ASSIST:
1349                Intent intent = new Intent(Intent.ACTION_VOICE_ASSIST);
1350                startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
1351                break;
1352        }
1353    }
1354
1355    private void disposeInputConsumer(InputConsumer inputConsumer) {
1356        if (inputConsumer != null) {
1357            inputConsumer.dismiss();
1358        }
1359    }
1360
1361    private void sleepPress(long eventTime) {
1362        if (mShortPressOnSleepBehavior == SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME) {
1363            launchHomeFromHotKey(false /* awakenDreams */, true /*respectKeyguard*/);
1364        }
1365    }
1366
1367    private void sleepRelease(long eventTime) {
1368        switch (mShortPressOnSleepBehavior) {
1369            case SHORT_PRESS_SLEEP_GO_TO_SLEEP:
1370            case SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME:
1371                Slog.i(TAG, "sleepRelease() calling goToSleep(GO_TO_SLEEP_REASON_SLEEP_BUTTON)");
1372                mPowerManager.goToSleep(eventTime,
1373                       PowerManager.GO_TO_SLEEP_REASON_SLEEP_BUTTON, 0);
1374                break;
1375        }
1376    }
1377
1378    private int getResolvedLongPressOnPowerBehavior() {
1379        if (FactoryTest.isLongPressOnPowerOffEnabled()) {
1380            return LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;
1381        }
1382        return mLongPressOnPowerBehavior;
1383    }
1384
1385    private boolean hasLongPressOnPowerBehavior() {
1386        return getResolvedLongPressOnPowerBehavior() != LONG_PRESS_POWER_NOTHING;
1387    }
1388
1389    private boolean hasLongPressOnBackBehavior() {
1390        return mLongPressOnBackBehavior != LONG_PRESS_BACK_NOTHING;
1391    }
1392
1393    private boolean hasPanicPressOnBackBehavior() {
1394        return mPanicPressOnBackBehavior != PANIC_PRESS_BACK_NOTHING;
1395    }
1396
1397    private void interceptScreenshotChord() {
1398        if (mScreenshotChordEnabled
1399                && mScreenshotChordVolumeDownKeyTriggered && mScreenshotChordPowerKeyTriggered
1400                && !mScreenshotChordVolumeUpKeyTriggered) {
1401            final long now = SystemClock.uptimeMillis();
1402            if (now <= mScreenshotChordVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS
1403                    && now <= mScreenshotChordPowerKeyTime
1404                            + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS) {
1405                mScreenshotChordVolumeDownKeyConsumed = true;
1406                cancelPendingPowerKeyAction();
1407                mScreenshotRunnable.setScreenshotType(TAKE_SCREENSHOT_FULLSCREEN);
1408                mHandler.postDelayed(mScreenshotRunnable, getScreenshotChordLongPressDelay());
1409            }
1410        }
1411    }
1412
1413    private long getScreenshotChordLongPressDelay() {
1414        if (mKeyguardDelegate.isShowing()) {
1415            // Double the time it takes to take a screenshot from the keyguard
1416            return (long) (KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER *
1417                    ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1418        }
1419        return ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout();
1420    }
1421
1422    private void cancelPendingScreenshotChordAction() {
1423        mHandler.removeCallbacks(mScreenshotRunnable);
1424    }
1425
1426    private final Runnable mEndCallLongPress = new Runnable() {
1427        @Override
1428        public void run() {
1429            mEndCallKeyHandled = true;
1430            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1431                performAuditoryFeedbackForAccessibilityIfNeed();
1432            }
1433            showGlobalActionsInternal();
1434        }
1435    };
1436
1437    private class ScreenshotRunnable implements Runnable {
1438        private int mScreenshotType = TAKE_SCREENSHOT_FULLSCREEN;
1439
1440        public void setScreenshotType(int screenshotType) {
1441            mScreenshotType = screenshotType;
1442        }
1443
1444        @Override
1445        public void run() {
1446            takeScreenshot(mScreenshotType);
1447        }
1448    }
1449
1450    private final ScreenshotRunnable mScreenshotRunnable = new ScreenshotRunnable();
1451
1452    @Override
1453    public void showGlobalActions() {
1454        mHandler.removeMessages(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1455        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1456    }
1457
1458    void showGlobalActionsInternal() {
1459        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1460        if (mGlobalActions == null) {
1461            mGlobalActions = new GlobalActions(mContext, mWindowManagerFuncs);
1462        }
1463        final boolean keyguardShowing = isKeyguardShowingAndNotOccluded();
1464        mGlobalActions.showDialog(keyguardShowing, isDeviceProvisioned());
1465        if (keyguardShowing) {
1466            // since it took two seconds of long press to bring this up,
1467            // poke the wake lock so they have some time to see the dialog.
1468            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
1469        }
1470    }
1471
1472    boolean isDeviceProvisioned() {
1473        return Settings.Global.getInt(
1474                mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0;
1475    }
1476
1477    boolean isUserSetupComplete() {
1478        return Settings.Secure.getIntForUser(mContext.getContentResolver(),
1479                Settings.Secure.USER_SETUP_COMPLETE, 0, UserHandle.USER_CURRENT) != 0;
1480    }
1481
1482    private void handleShortPressOnHome() {
1483        // Turn on the connected TV and switch HDMI input if we're a HDMI playback device.
1484        getHdmiControl().turnOnTv();
1485
1486        // If there's a dream running then use home to escape the dream
1487        // but don't actually go home.
1488        if (mDreamManagerInternal != null && mDreamManagerInternal.isDreaming()) {
1489            mDreamManagerInternal.stopDream(false /*immediate*/);
1490            return;
1491        }
1492
1493        // Go home!
1494        launchHomeFromHotKey();
1495    }
1496
1497    /**
1498     * Creates an accessor to HDMI control service that performs the operation of
1499     * turning on TV (optional) and switching input to us. If HDMI control service
1500     * is not available or we're not a HDMI playback device, the operation is no-op.
1501     */
1502    private HdmiControl getHdmiControl() {
1503        if (null == mHdmiControl) {
1504            HdmiControlManager manager = (HdmiControlManager) mContext.getSystemService(
1505                        Context.HDMI_CONTROL_SERVICE);
1506            HdmiPlaybackClient client = null;
1507            if (manager != null) {
1508                client = manager.getPlaybackClient();
1509            }
1510            mHdmiControl = new HdmiControl(client);
1511        }
1512        return mHdmiControl;
1513    }
1514
1515    private static class HdmiControl {
1516        private final HdmiPlaybackClient mClient;
1517
1518        private HdmiControl(HdmiPlaybackClient client) {
1519            mClient = client;
1520        }
1521
1522        public void turnOnTv() {
1523            if (mClient == null) {
1524                return;
1525            }
1526            mClient.oneTouchPlay(new OneTouchPlayCallback() {
1527                @Override
1528                public void onComplete(int result) {
1529                    if (result != HdmiControlManager.RESULT_SUCCESS) {
1530                        Log.w(TAG, "One touch play failed: " + result);
1531                    }
1532                }
1533            });
1534        }
1535    }
1536
1537    private void handleLongPressOnHome(int deviceId) {
1538        if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_NOTHING) {
1539            return;
1540        }
1541        mHomeConsumed = true;
1542        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1543
1544        switch (mLongPressOnHomeBehavior) {
1545            case LONG_PRESS_HOME_RECENT_SYSTEM_UI:
1546                toggleRecentApps();
1547                break;
1548            case LONG_PRESS_HOME_ASSIST:
1549                launchAssistAction(null, deviceId);
1550                break;
1551            default:
1552                Log.w(TAG, "Undefined home long press behavior: " + mLongPressOnHomeBehavior);
1553                break;
1554        }
1555    }
1556
1557    private void handleDoubleTapOnHome() {
1558        if (mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1559            mHomeConsumed = true;
1560            toggleRecentApps();
1561        }
1562    }
1563
1564    private void showTvPictureInPictureMenu(KeyEvent event) {
1565        if (DEBUG_INPUT) Log.d(TAG, "showTvPictureInPictureMenu event=" + event);
1566        mHandler.removeMessages(MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU);
1567        Message msg = mHandler.obtainMessage(MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU);
1568        msg.setAsynchronous(true);
1569        msg.sendToTarget();
1570    }
1571
1572    private void showTvPictureInPictureMenuInternal() {
1573        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
1574        if (statusbar != null) {
1575            statusbar.showTvPictureInPictureMenu();
1576        }
1577    }
1578
1579    private final Runnable mHomeDoubleTapTimeoutRunnable = new Runnable() {
1580        @Override
1581        public void run() {
1582            if (mHomeDoubleTapPending) {
1583                mHomeDoubleTapPending = false;
1584                handleShortPressOnHome();
1585            }
1586        }
1587    };
1588
1589    private boolean isRoundWindow() {
1590        return mContext.getResources().getConfiguration().isScreenRound();
1591    }
1592
1593    /** {@inheritDoc} */
1594    @Override
1595    public void init(Context context, IWindowManager windowManager,
1596            WindowManagerFuncs windowManagerFuncs) {
1597        mContext = context;
1598        mWindowManager = windowManager;
1599        mWindowManagerFuncs = windowManagerFuncs;
1600        mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class);
1601        mActivityManagerInternal = LocalServices.getService(ActivityManagerInternal.class);
1602        mInputManagerInternal = LocalServices.getService(InputManagerInternal.class);
1603        mDreamManagerInternal = LocalServices.getService(DreamManagerInternal.class);
1604        mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class);
1605        mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
1606        mHasFeatureWatch = mContext.getPackageManager().hasSystemFeature(FEATURE_WATCH);
1607
1608        // Init display burn-in protection
1609        boolean burnInProtectionEnabled = context.getResources().getBoolean(
1610                com.android.internal.R.bool.config_enableBurnInProtection);
1611        // Allow a system property to override this. Used by developer settings.
1612        boolean burnInProtectionDevMode =
1613                SystemProperties.getBoolean("persist.debug.force_burn_in", false);
1614        if (burnInProtectionEnabled || burnInProtectionDevMode) {
1615            final int minHorizontal;
1616            final int maxHorizontal;
1617            final int minVertical;
1618            final int maxVertical;
1619            final int maxRadius;
1620            if (burnInProtectionDevMode) {
1621                minHorizontal = -8;
1622                maxHorizontal = 8;
1623                minVertical = -8;
1624                maxVertical = -4;
1625                maxRadius = (isRoundWindow()) ? 6 : -1;
1626            } else {
1627                Resources resources = context.getResources();
1628                minHorizontal = resources.getInteger(
1629                        com.android.internal.R.integer.config_burnInProtectionMinHorizontalOffset);
1630                maxHorizontal = resources.getInteger(
1631                        com.android.internal.R.integer.config_burnInProtectionMaxHorizontalOffset);
1632                minVertical = resources.getInteger(
1633                        com.android.internal.R.integer.config_burnInProtectionMinVerticalOffset);
1634                maxVertical = resources.getInteger(
1635                        com.android.internal.R.integer.config_burnInProtectionMaxVerticalOffset);
1636                maxRadius = resources.getInteger(
1637                        com.android.internal.R.integer.config_burnInProtectionMaxRadius);
1638            }
1639            mBurnInProtectionHelper = new BurnInProtectionHelper(
1640                    context, minHorizontal, maxHorizontal, minVertical, maxVertical, maxRadius);
1641        }
1642
1643        mHandler = new PolicyHandler();
1644        mWakeGestureListener = new MyWakeGestureListener(mContext, mHandler);
1645        mOrientationListener = new MyOrientationListener(mContext, mHandler);
1646        try {
1647            mOrientationListener.setCurrentRotation(windowManager.getRotation());
1648        } catch (RemoteException ex) { }
1649        mSettingsObserver = new SettingsObserver(mHandler);
1650        mSettingsObserver.observe();
1651        mShortcutManager = new ShortcutManager(context);
1652        mUiMode = context.getResources().getInteger(
1653                com.android.internal.R.integer.config_defaultUiModeType);
1654        mHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
1655        mHomeIntent.addCategory(Intent.CATEGORY_HOME);
1656        mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1657                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1658        mEnableCarDockHomeCapture = context.getResources().getBoolean(
1659                com.android.internal.R.bool.config_enableCarDockHomeLaunch);
1660        mCarDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1661        mCarDockIntent.addCategory(Intent.CATEGORY_CAR_DOCK);
1662        mCarDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1663                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1664        mDeskDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1665        mDeskDockIntent.addCategory(Intent.CATEGORY_DESK_DOCK);
1666        mDeskDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1667                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1668
1669        mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
1670        mBroadcastWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1671                "PhoneWindowManager.mBroadcastWakeLock");
1672        mPowerKeyWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1673                "PhoneWindowManager.mPowerKeyWakeLock");
1674        mEnableShiftMenuBugReports = "1".equals(SystemProperties.get("ro.debuggable"));
1675        mSupportAutoRotation = mContext.getResources().getBoolean(
1676                com.android.internal.R.bool.config_supportAutoRotation);
1677        mLidOpenRotation = readRotation(
1678                com.android.internal.R.integer.config_lidOpenRotation);
1679        mCarDockRotation = readRotation(
1680                com.android.internal.R.integer.config_carDockRotation);
1681        mDeskDockRotation = readRotation(
1682                com.android.internal.R.integer.config_deskDockRotation);
1683        mUndockedHdmiRotation = readRotation(
1684                com.android.internal.R.integer.config_undockedHdmiRotation);
1685        mCarDockEnablesAccelerometer = mContext.getResources().getBoolean(
1686                com.android.internal.R.bool.config_carDockEnablesAccelerometer);
1687        mDeskDockEnablesAccelerometer = mContext.getResources().getBoolean(
1688                com.android.internal.R.bool.config_deskDockEnablesAccelerometer);
1689        mLidKeyboardAccessibility = mContext.getResources().getInteger(
1690                com.android.internal.R.integer.config_lidKeyboardAccessibility);
1691        mLidNavigationAccessibility = mContext.getResources().getInteger(
1692                com.android.internal.R.integer.config_lidNavigationAccessibility);
1693        mLidControlsScreenLock = mContext.getResources().getBoolean(
1694                com.android.internal.R.bool.config_lidControlsScreenLock);
1695        mLidControlsSleep = mContext.getResources().getBoolean(
1696                com.android.internal.R.bool.config_lidControlsSleep);
1697        mTranslucentDecorEnabled = mContext.getResources().getBoolean(
1698                com.android.internal.R.bool.config_enableTranslucentDecor);
1699
1700        mAllowTheaterModeWakeFromKey = mContext.getResources().getBoolean(
1701                com.android.internal.R.bool.config_allowTheaterModeWakeFromKey);
1702        mAllowTheaterModeWakeFromPowerKey = mAllowTheaterModeWakeFromKey
1703                || mContext.getResources().getBoolean(
1704                    com.android.internal.R.bool.config_allowTheaterModeWakeFromPowerKey);
1705        mAllowTheaterModeWakeFromMotion = mContext.getResources().getBoolean(
1706                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotion);
1707        mAllowTheaterModeWakeFromMotionWhenNotDreaming = mContext.getResources().getBoolean(
1708                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotionWhenNotDreaming);
1709        mAllowTheaterModeWakeFromCameraLens = mContext.getResources().getBoolean(
1710                com.android.internal.R.bool.config_allowTheaterModeWakeFromCameraLens);
1711        mAllowTheaterModeWakeFromLidSwitch = mContext.getResources().getBoolean(
1712                com.android.internal.R.bool.config_allowTheaterModeWakeFromLidSwitch);
1713        mAllowTheaterModeWakeFromWakeGesture = mContext.getResources().getBoolean(
1714                com.android.internal.R.bool.config_allowTheaterModeWakeFromGesture);
1715
1716        mGoToSleepOnButtonPressTheaterMode = mContext.getResources().getBoolean(
1717                com.android.internal.R.bool.config_goToSleepOnButtonPressTheaterMode);
1718
1719        mSupportLongPressPowerWhenNonInteractive = mContext.getResources().getBoolean(
1720                com.android.internal.R.bool.config_supportLongPressPowerWhenNonInteractive);
1721
1722        mLongPressOnBackBehavior = mContext.getResources().getInteger(
1723                com.android.internal.R.integer.config_longPressOnBackBehavior);
1724        mPanicPressOnBackBehavior = mContext.getResources().getInteger(
1725                com.android.internal.R.integer.config_backPanicBehavior);
1726
1727        mShortPressOnPowerBehavior = mContext.getResources().getInteger(
1728                com.android.internal.R.integer.config_shortPressOnPowerBehavior);
1729        mLongPressOnPowerBehavior = mContext.getResources().getInteger(
1730                com.android.internal.R.integer.config_longPressOnPowerBehavior);
1731        mDoublePressOnPowerBehavior = mContext.getResources().getInteger(
1732                com.android.internal.R.integer.config_doublePressOnPowerBehavior);
1733        mTriplePressOnPowerBehavior = mContext.getResources().getInteger(
1734                com.android.internal.R.integer.config_triplePressOnPowerBehavior);
1735        mShortPressOnSleepBehavior = mContext.getResources().getInteger(
1736                com.android.internal.R.integer.config_shortPressOnSleepBehavior);
1737
1738        mUseTvRouting = AudioSystem.getPlatformType(mContext) == AudioSystem.PLATFORM_TELEVISION;
1739
1740        readConfigurationDependentBehaviors();
1741
1742        mAccessibilityManager = (AccessibilityManager) context.getSystemService(
1743                Context.ACCESSIBILITY_SERVICE);
1744
1745        // register for dock events
1746        IntentFilter filter = new IntentFilter();
1747        filter.addAction(UiModeManager.ACTION_ENTER_CAR_MODE);
1748        filter.addAction(UiModeManager.ACTION_EXIT_CAR_MODE);
1749        filter.addAction(UiModeManager.ACTION_ENTER_DESK_MODE);
1750        filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
1751        filter.addAction(Intent.ACTION_DOCK_EVENT);
1752        Intent intent = context.registerReceiver(mDockReceiver, filter);
1753        if (intent != null) {
1754            // Retrieve current sticky dock event broadcast.
1755            mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
1756                    Intent.EXTRA_DOCK_STATE_UNDOCKED);
1757        }
1758
1759        // register for dream-related broadcasts
1760        filter = new IntentFilter();
1761        filter.addAction(Intent.ACTION_DREAMING_STARTED);
1762        filter.addAction(Intent.ACTION_DREAMING_STOPPED);
1763        context.registerReceiver(mDreamReceiver, filter);
1764
1765        // register for multiuser-relevant broadcasts
1766        filter = new IntentFilter(Intent.ACTION_USER_SWITCHED);
1767        context.registerReceiver(mMultiuserReceiver, filter);
1768
1769        // monitor for system gestures
1770        mSystemGestures = new SystemGesturesPointerEventListener(context,
1771                new SystemGesturesPointerEventListener.Callbacks() {
1772                    @Override
1773                    public void onSwipeFromTop() {
1774                        if (mStatusBar != null) {
1775                            requestTransientBars(mStatusBar);
1776                        }
1777                    }
1778                    @Override
1779                    public void onSwipeFromBottom() {
1780                        if (mNavigationBar != null && mNavigationBarPosition == NAV_BAR_BOTTOM) {
1781                            requestTransientBars(mNavigationBar);
1782                        }
1783                    }
1784                    @Override
1785                    public void onSwipeFromRight() {
1786                        if (mNavigationBar != null && mNavigationBarPosition == NAV_BAR_RIGHT) {
1787                            requestTransientBars(mNavigationBar);
1788                        }
1789                    }
1790                    @Override
1791                    public void onSwipeFromLeft() {
1792                        if (mNavigationBar != null && mNavigationBarPosition == NAV_BAR_LEFT) {
1793                            requestTransientBars(mNavigationBar);
1794                        }
1795                    }
1796                    @Override
1797                    public void onFling(int duration) {
1798                        if (mPowerManagerInternal != null) {
1799                            mPowerManagerInternal.powerHint(
1800                                    PowerManagerInternal.POWER_HINT_INTERACTION, duration);
1801                        }
1802                    }
1803                    @Override
1804                    public void onDebug() {
1805                        // no-op
1806                    }
1807                    @Override
1808                    public void onDown() {
1809                        mOrientationListener.onTouchStart();
1810                    }
1811                    @Override
1812                    public void onUpOrCancel() {
1813                        mOrientationListener.onTouchEnd();
1814                    }
1815                    @Override
1816                    public void onMouseHoverAtTop() {
1817                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1818                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
1819                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS;
1820                        mHandler.sendMessageDelayed(msg, 500);
1821                    }
1822                    @Override
1823                    public void onMouseHoverAtBottom() {
1824                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1825                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
1826                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION;
1827                        mHandler.sendMessageDelayed(msg, 500);
1828                    }
1829                    @Override
1830                    public void onMouseLeaveFromEdge() {
1831                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1832                    }
1833                });
1834        mImmersiveModeConfirmation = new ImmersiveModeConfirmation(mContext);
1835        mWindowManagerFuncs.registerPointerEventListener(mSystemGestures);
1836
1837        mVibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE);
1838        mLongPressVibePattern = getLongIntArray(mContext.getResources(),
1839                com.android.internal.R.array.config_longPressVibePattern);
1840        mVirtualKeyVibePattern = getLongIntArray(mContext.getResources(),
1841                com.android.internal.R.array.config_virtualKeyVibePattern);
1842        mKeyboardTapVibePattern = getLongIntArray(mContext.getResources(),
1843                com.android.internal.R.array.config_keyboardTapVibePattern);
1844        mClockTickVibePattern = getLongIntArray(mContext.getResources(),
1845                com.android.internal.R.array.config_clockTickVibePattern);
1846        mCalendarDateVibePattern = getLongIntArray(mContext.getResources(),
1847                com.android.internal.R.array.config_calendarDateVibePattern);
1848        mSafeModeDisabledVibePattern = getLongIntArray(mContext.getResources(),
1849                com.android.internal.R.array.config_safeModeDisabledVibePattern);
1850        mSafeModeEnabledVibePattern = getLongIntArray(mContext.getResources(),
1851                com.android.internal.R.array.config_safeModeEnabledVibePattern);
1852        mContextClickVibePattern = getLongIntArray(mContext.getResources(),
1853                com.android.internal.R.array.config_contextClickVibePattern);
1854
1855        mScreenshotChordEnabled = mContext.getResources().getBoolean(
1856                com.android.internal.R.bool.config_enableScreenshotChord);
1857
1858        mGlobalKeyManager = new GlobalKeyManager(mContext);
1859
1860        // Controls rotation and the like.
1861        initializeHdmiState();
1862
1863        // Match current screen state.
1864        if (!mPowerManager.isInteractive()) {
1865            startedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1866            finishedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1867        }
1868
1869        mWindowManagerInternal.registerAppTransitionListener(
1870                mStatusBarController.getAppTransitionListener());
1871    }
1872
1873    /**
1874     * Read values from config.xml that may be overridden depending on
1875     * the configuration of the device.
1876     * eg. Disable long press on home goes to recents on sw600dp.
1877     */
1878    private void readConfigurationDependentBehaviors() {
1879        final Resources res = mContext.getResources();
1880
1881        mLongPressOnHomeBehavior = res.getInteger(
1882                com.android.internal.R.integer.config_longPressOnHomeBehavior);
1883        if (mLongPressOnHomeBehavior < LONG_PRESS_HOME_NOTHING ||
1884                mLongPressOnHomeBehavior > LAST_LONG_PRESS_HOME_BEHAVIOR) {
1885            mLongPressOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1886        }
1887
1888        mDoubleTapOnHomeBehavior = res.getInteger(
1889                com.android.internal.R.integer.config_doubleTapOnHomeBehavior);
1890        if (mDoubleTapOnHomeBehavior < DOUBLE_TAP_HOME_NOTHING ||
1891                mDoubleTapOnHomeBehavior > DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1892            mDoubleTapOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1893        }
1894
1895        mShortPressWindowBehavior = SHORT_PRESS_WINDOW_NOTHING;
1896        if (mContext.getPackageManager().hasSystemFeature(FEATURE_PICTURE_IN_PICTURE)) {
1897            mShortPressWindowBehavior = SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE;
1898        }
1899
1900        mNavBarOpacityMode = res.getInteger(
1901                com.android.internal.R.integer.config_navBarOpacityMode);
1902    }
1903
1904    @Override
1905    public void setInitialDisplaySize(Display display, int width, int height, int density) {
1906        // This method might be called before the policy has been fully initialized
1907        // or for other displays we don't care about.
1908        if (mContext == null || display.getDisplayId() != Display.DEFAULT_DISPLAY) {
1909            return;
1910        }
1911        mDisplay = display;
1912
1913        final Resources res = mContext.getResources();
1914        int shortSize, longSize;
1915        if (width > height) {
1916            shortSize = height;
1917            longSize = width;
1918            mLandscapeRotation = Surface.ROTATION_0;
1919            mSeascapeRotation = Surface.ROTATION_180;
1920            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1921                mPortraitRotation = Surface.ROTATION_90;
1922                mUpsideDownRotation = Surface.ROTATION_270;
1923            } else {
1924                mPortraitRotation = Surface.ROTATION_270;
1925                mUpsideDownRotation = Surface.ROTATION_90;
1926            }
1927        } else {
1928            shortSize = width;
1929            longSize = height;
1930            mPortraitRotation = Surface.ROTATION_0;
1931            mUpsideDownRotation = Surface.ROTATION_180;
1932            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1933                mLandscapeRotation = Surface.ROTATION_270;
1934                mSeascapeRotation = Surface.ROTATION_90;
1935            } else {
1936                mLandscapeRotation = Surface.ROTATION_90;
1937                mSeascapeRotation = Surface.ROTATION_270;
1938            }
1939        }
1940
1941        // SystemUI (status bar) layout policy
1942        int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT / density;
1943        int longSizeDp = longSize * DisplayMetrics.DENSITY_DEFAULT / density;
1944
1945        // Allow the navigation bar to move on non-square small devices (phones).
1946        mNavigationBarCanMove = width != height && shortSizeDp < 600;
1947
1948        mHasNavigationBar = res.getBoolean(com.android.internal.R.bool.config_showNavigationBar);
1949
1950        // Allow a system property to override this. Used by the emulator.
1951        // See also hasNavigationBar().
1952        String navBarOverride = SystemProperties.get("qemu.hw.mainkeys");
1953        if ("1".equals(navBarOverride)) {
1954            mHasNavigationBar = false;
1955        } else if ("0".equals(navBarOverride)) {
1956            mHasNavigationBar = true;
1957        }
1958
1959        // For demo purposes, allow the rotation of the HDMI display to be controlled.
1960        // By default, HDMI locks rotation to landscape.
1961        if ("portrait".equals(SystemProperties.get("persist.demo.hdmirotation"))) {
1962            mDemoHdmiRotation = mPortraitRotation;
1963        } else {
1964            mDemoHdmiRotation = mLandscapeRotation;
1965        }
1966        mDemoHdmiRotationLock = SystemProperties.getBoolean("persist.demo.hdmirotationlock", false);
1967
1968        // For demo purposes, allow the rotation of the remote display to be controlled.
1969        // By default, remote display locks rotation to landscape.
1970        if ("portrait".equals(SystemProperties.get("persist.demo.remoterotation"))) {
1971            mDemoRotation = mPortraitRotation;
1972        } else {
1973            mDemoRotation = mLandscapeRotation;
1974        }
1975        mDemoRotationLock = SystemProperties.getBoolean(
1976                "persist.demo.rotationlock", false);
1977
1978        // Only force the default orientation if the screen is xlarge, at least 960dp x 720dp, per
1979        // http://developer.android.com/guide/practices/screens_support.html#range
1980        mForceDefaultOrientation = longSizeDp >= 960 && shortSizeDp >= 720 &&
1981                res.getBoolean(com.android.internal.R.bool.config_forceDefaultOrientation) &&
1982                // For debug purposes the next line turns this feature off with:
1983                // $ adb shell setprop config.override_forced_orient true
1984                // $ adb shell wm size reset
1985                !"true".equals(SystemProperties.get("config.override_forced_orient"));
1986    }
1987
1988    /**
1989     * @return whether the navigation bar can be hidden, e.g. the device has a
1990     *         navigation bar and touch exploration is not enabled
1991     */
1992    private boolean canHideNavigationBar() {
1993        return mHasNavigationBar;
1994    }
1995
1996    @Override
1997    public boolean isDefaultOrientationForced() {
1998        return mForceDefaultOrientation;
1999    }
2000
2001    @Override
2002    public void setDisplayOverscan(Display display, int left, int top, int right, int bottom) {
2003        if (display.getDisplayId() == Display.DEFAULT_DISPLAY) {
2004            mOverscanLeft = left;
2005            mOverscanTop = top;
2006            mOverscanRight = right;
2007            mOverscanBottom = bottom;
2008        }
2009    }
2010
2011    public void updateSettings() {
2012        ContentResolver resolver = mContext.getContentResolver();
2013        boolean updateRotation = false;
2014        synchronized (mLock) {
2015            mEndcallBehavior = Settings.System.getIntForUser(resolver,
2016                    Settings.System.END_BUTTON_BEHAVIOR,
2017                    Settings.System.END_BUTTON_BEHAVIOR_DEFAULT,
2018                    UserHandle.USER_CURRENT);
2019            mIncallPowerBehavior = Settings.Secure.getIntForUser(resolver,
2020                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
2021                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT,
2022                    UserHandle.USER_CURRENT);
2023
2024            // Configure wake gesture.
2025            boolean wakeGestureEnabledSetting = Settings.Secure.getIntForUser(resolver,
2026                    Settings.Secure.WAKE_GESTURE_ENABLED, 0,
2027                    UserHandle.USER_CURRENT) != 0;
2028            if (mWakeGestureEnabledSetting != wakeGestureEnabledSetting) {
2029                mWakeGestureEnabledSetting = wakeGestureEnabledSetting;
2030                updateWakeGestureListenerLp();
2031            }
2032
2033            // Configure rotation lock.
2034            int userRotation = Settings.System.getIntForUser(resolver,
2035                    Settings.System.USER_ROTATION, Surface.ROTATION_0,
2036                    UserHandle.USER_CURRENT);
2037            if (mUserRotation != userRotation) {
2038                mUserRotation = userRotation;
2039                updateRotation = true;
2040            }
2041            int userRotationMode = Settings.System.getIntForUser(resolver,
2042                    Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
2043                            WindowManagerPolicy.USER_ROTATION_FREE :
2044                                    WindowManagerPolicy.USER_ROTATION_LOCKED;
2045            if (mUserRotationMode != userRotationMode) {
2046                mUserRotationMode = userRotationMode;
2047                updateRotation = true;
2048                updateOrientationListenerLp();
2049            }
2050
2051            if (mSystemReady) {
2052                int pointerLocation = Settings.System.getIntForUser(resolver,
2053                        Settings.System.POINTER_LOCATION, 0, UserHandle.USER_CURRENT);
2054                if (mPointerLocationMode != pointerLocation) {
2055                    mPointerLocationMode = pointerLocation;
2056                    mHandler.sendEmptyMessage(pointerLocation != 0 ?
2057                            MSG_ENABLE_POINTER_LOCATION : MSG_DISABLE_POINTER_LOCATION);
2058                }
2059            }
2060            // use screen off timeout setting as the timeout for the lockscreen
2061            mLockScreenTimeout = Settings.System.getIntForUser(resolver,
2062                    Settings.System.SCREEN_OFF_TIMEOUT, 0, UserHandle.USER_CURRENT);
2063            String imId = Settings.Secure.getStringForUser(resolver,
2064                    Settings.Secure.DEFAULT_INPUT_METHOD, UserHandle.USER_CURRENT);
2065            boolean hasSoftInput = imId != null && imId.length() > 0;
2066            if (mHasSoftInput != hasSoftInput) {
2067                mHasSoftInput = hasSoftInput;
2068                updateRotation = true;
2069            }
2070            if (mImmersiveModeConfirmation != null) {
2071                mImmersiveModeConfirmation.loadSetting(mCurrentUserId);
2072            }
2073        }
2074        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
2075            PolicyControl.reloadFromSetting(mContext);
2076        }
2077        if (updateRotation) {
2078            updateRotation(true);
2079        }
2080    }
2081
2082    private void updateWakeGestureListenerLp() {
2083        if (shouldEnableWakeGestureLp()) {
2084            mWakeGestureListener.requestWakeUpTrigger();
2085        } else {
2086            mWakeGestureListener.cancelWakeUpTrigger();
2087        }
2088    }
2089
2090    private boolean shouldEnableWakeGestureLp() {
2091        return mWakeGestureEnabledSetting && !mAwake
2092                && (!mLidControlsSleep || mLidState != LID_CLOSED)
2093                && mWakeGestureListener.isSupported();
2094    }
2095
2096    private void enablePointerLocation() {
2097        if (mPointerLocationView == null) {
2098            mPointerLocationView = new PointerLocationView(mContext);
2099            mPointerLocationView.setPrintCoords(false);
2100            WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
2101                    WindowManager.LayoutParams.MATCH_PARENT,
2102                    WindowManager.LayoutParams.MATCH_PARENT);
2103            lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
2104            lp.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN
2105                    | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
2106                    | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
2107                    | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
2108            if (ActivityManager.isHighEndGfx()) {
2109                lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
2110                lp.privateFlags |=
2111                        WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED;
2112            }
2113            lp.format = PixelFormat.TRANSLUCENT;
2114            lp.setTitle("PointerLocation");
2115            WindowManager wm = (WindowManager)
2116                    mContext.getSystemService(Context.WINDOW_SERVICE);
2117            lp.inputFeatures |= WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL;
2118            wm.addView(mPointerLocationView, lp);
2119            mWindowManagerFuncs.registerPointerEventListener(mPointerLocationView);
2120        }
2121    }
2122
2123    private void disablePointerLocation() {
2124        if (mPointerLocationView != null) {
2125            mWindowManagerFuncs.unregisterPointerEventListener(mPointerLocationView);
2126            WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
2127            wm.removeView(mPointerLocationView);
2128            mPointerLocationView = null;
2129        }
2130    }
2131
2132    private int readRotation(int resID) {
2133        try {
2134            int rotation = mContext.getResources().getInteger(resID);
2135            switch (rotation) {
2136                case 0:
2137                    return Surface.ROTATION_0;
2138                case 90:
2139                    return Surface.ROTATION_90;
2140                case 180:
2141                    return Surface.ROTATION_180;
2142                case 270:
2143                    return Surface.ROTATION_270;
2144            }
2145        } catch (Resources.NotFoundException e) {
2146            // fall through
2147        }
2148        return -1;
2149    }
2150
2151    /** {@inheritDoc} */
2152    @Override
2153    public int checkAddPermission(WindowManager.LayoutParams attrs, int[] outAppOp) {
2154        int type = attrs.type;
2155
2156        outAppOp[0] = AppOpsManager.OP_NONE;
2157
2158        if (!((type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW)
2159                || (type >= FIRST_SUB_WINDOW && type <= LAST_SUB_WINDOW)
2160                || (type >= FIRST_SYSTEM_WINDOW && type <= LAST_SYSTEM_WINDOW))) {
2161            return WindowManagerGlobal.ADD_INVALID_TYPE;
2162        }
2163
2164        if (type < FIRST_SYSTEM_WINDOW || type > LAST_SYSTEM_WINDOW) {
2165            // Window manager will make sure these are okay.
2166            return WindowManagerGlobal.ADD_OKAY;
2167        }
2168        String permission = null;
2169        switch (type) {
2170            case TYPE_TOAST:
2171                // XXX right now the app process has complete control over
2172                // this...  should introduce a token to let the system
2173                // monitor/control what they are doing.
2174                outAppOp[0] = AppOpsManager.OP_TOAST_WINDOW;
2175                break;
2176            case TYPE_DREAM:
2177            case TYPE_INPUT_METHOD:
2178            case TYPE_WALLPAPER:
2179            case TYPE_PRIVATE_PRESENTATION:
2180            case TYPE_VOICE_INTERACTION:
2181            case TYPE_ACCESSIBILITY_OVERLAY:
2182            case TYPE_QS_DIALOG:
2183                // The window manager will check these.
2184                break;
2185            case TYPE_PHONE:
2186            case TYPE_PRIORITY_PHONE:
2187            case TYPE_SYSTEM_ALERT:
2188            case TYPE_SYSTEM_ERROR:
2189            case TYPE_SYSTEM_OVERLAY:
2190                permission = android.Manifest.permission.SYSTEM_ALERT_WINDOW;
2191                outAppOp[0] = AppOpsManager.OP_SYSTEM_ALERT_WINDOW;
2192                break;
2193            default:
2194                permission = android.Manifest.permission.INTERNAL_SYSTEM_WINDOW;
2195        }
2196        if (permission != null) {
2197            if (android.Manifest.permission.SYSTEM_ALERT_WINDOW.equals(permission)) {
2198                final int callingUid = Binder.getCallingUid();
2199                // system processes will be automatically allowed privilege to draw
2200                if (callingUid == Process.SYSTEM_UID) {
2201                    return WindowManagerGlobal.ADD_OKAY;
2202                }
2203
2204                // check if user has enabled this operation. SecurityException will be thrown if
2205                // this app has not been allowed by the user
2206                final int mode = mAppOpsManager.checkOpNoThrow(outAppOp[0], callingUid,
2207                        attrs.packageName);
2208                switch (mode) {
2209                    case AppOpsManager.MODE_ALLOWED:
2210                    case AppOpsManager.MODE_IGNORED:
2211                        // although we return ADD_OKAY for MODE_IGNORED, the added window will
2212                        // actually be hidden in WindowManagerService
2213                        return WindowManagerGlobal.ADD_OKAY;
2214                    case AppOpsManager.MODE_ERRORED:
2215                        try {
2216                            ApplicationInfo appInfo = mContext.getPackageManager()
2217                                    .getApplicationInfo(attrs.packageName,
2218                                            UserHandle.getUserId(callingUid));
2219                            // Don't crash legacy apps
2220                            if (appInfo.targetSdkVersion < Build.VERSION_CODES.M) {
2221                                return WindowManagerGlobal.ADD_OKAY;
2222                            }
2223                        } catch (PackageManager.NameNotFoundException e) {
2224                            /* ignore */
2225                        }
2226                        return WindowManagerGlobal.ADD_PERMISSION_DENIED;
2227                    default:
2228                        // in the default mode, we will make a decision here based on
2229                        // checkCallingPermission()
2230                        if (mContext.checkCallingPermission(permission) !=
2231                                PackageManager.PERMISSION_GRANTED) {
2232                            return WindowManagerGlobal.ADD_PERMISSION_DENIED;
2233                        } else {
2234                            return WindowManagerGlobal.ADD_OKAY;
2235                        }
2236                }
2237            }
2238
2239            if (mContext.checkCallingOrSelfPermission(permission)
2240                    != PackageManager.PERMISSION_GRANTED) {
2241                return WindowManagerGlobal.ADD_PERMISSION_DENIED;
2242            }
2243        }
2244        return WindowManagerGlobal.ADD_OKAY;
2245    }
2246
2247    @Override
2248    public boolean checkShowToOwnerOnly(WindowManager.LayoutParams attrs) {
2249
2250        // If this switch statement is modified, modify the comment in the declarations of
2251        // the type in {@link WindowManager.LayoutParams} as well.
2252        switch (attrs.type) {
2253            default:
2254                // These are the windows that by default are shown only to the user that created
2255                // them. If this needs to be overridden, set
2256                // {@link WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS} in
2257                // {@link WindowManager.LayoutParams}. Note that permission
2258                // {@link android.Manifest.permission.INTERNAL_SYSTEM_WINDOW} is required as well.
2259                if ((attrs.privateFlags & PRIVATE_FLAG_SHOW_FOR_ALL_USERS) == 0) {
2260                    return true;
2261                }
2262                break;
2263
2264            // These are the windows that by default are shown to all users. However, to
2265            // protect against spoofing, check permissions below.
2266            case TYPE_APPLICATION_STARTING:
2267            case TYPE_BOOT_PROGRESS:
2268            case TYPE_DISPLAY_OVERLAY:
2269            case TYPE_INPUT_CONSUMER:
2270            case TYPE_KEYGUARD_SCRIM:
2271            case TYPE_KEYGUARD_DIALOG:
2272            case TYPE_MAGNIFICATION_OVERLAY:
2273            case TYPE_NAVIGATION_BAR:
2274            case TYPE_NAVIGATION_BAR_PANEL:
2275            case TYPE_PHONE:
2276            case TYPE_POINTER:
2277            case TYPE_PRIORITY_PHONE:
2278            case TYPE_SEARCH_BAR:
2279            case TYPE_STATUS_BAR:
2280            case TYPE_STATUS_BAR_PANEL:
2281            case TYPE_STATUS_BAR_SUB_PANEL:
2282            case TYPE_SYSTEM_DIALOG:
2283            case TYPE_VOLUME_OVERLAY:
2284            case TYPE_PRIVATE_PRESENTATION:
2285            case TYPE_DOCK_DIVIDER:
2286                break;
2287        }
2288
2289        // Check if third party app has set window to system window type.
2290        return mContext.checkCallingOrSelfPermission(
2291                android.Manifest.permission.INTERNAL_SYSTEM_WINDOW)
2292                        != PackageManager.PERMISSION_GRANTED;
2293    }
2294
2295    @Override
2296    public void adjustWindowParamsLw(WindowManager.LayoutParams attrs) {
2297        switch (attrs.type) {
2298            case TYPE_SYSTEM_OVERLAY:
2299            case TYPE_SECURE_SYSTEM_OVERLAY:
2300                // These types of windows can't receive input events.
2301                attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
2302                        | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
2303                attrs.flags &= ~WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
2304                break;
2305            case TYPE_STATUS_BAR:
2306
2307                // If the Keyguard is in a hidden state (occluded by another window), we force to
2308                // remove the wallpaper and keyguard flag so that any change in-flight after setting
2309                // the keyguard as occluded wouldn't set these flags again.
2310                // See {@link #processKeyguardSetHiddenResultLw}.
2311                if (mKeyguardHidden) {
2312                    attrs.flags &= ~WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
2313                    attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2314                }
2315                break;
2316
2317            case TYPE_SCREENSHOT:
2318                attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE;
2319                break;
2320
2321            case TYPE_TOAST:
2322                // While apps should use the dedicated toast APIs to add such windows
2323                // it possible legacy apps to add the window directly. Therefore, we
2324                // make windows added directly by the app behave as a toast as much
2325                // as possible in terms of timeout and animation.
2326                if (attrs.hideTimeoutMilliseconds < 0
2327                        || attrs.hideTimeoutMilliseconds > TOAST_WINDOW_TIMEOUT) {
2328                    attrs.hideTimeoutMilliseconds = TOAST_WINDOW_TIMEOUT;
2329                }
2330                attrs.windowAnimations = com.android.internal.R.style.Animation_Toast;
2331                break;
2332        }
2333
2334        if (attrs.type != TYPE_STATUS_BAR) {
2335            // The status bar is the only window allowed to exhibit keyguard behavior.
2336            attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2337        }
2338
2339        if (ActivityManager.isHighEndGfx()) {
2340            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0) {
2341                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
2342            }
2343            final boolean forceWindowDrawsStatusBarBackground =
2344                    (attrs.privateFlags & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND)
2345                            != 0;
2346            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0
2347                    || forceWindowDrawsStatusBarBackground
2348                            && attrs.height == MATCH_PARENT && attrs.width == MATCH_PARENT) {
2349                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
2350            }
2351        }
2352    }
2353
2354    void readLidState() {
2355        mLidState = mWindowManagerFuncs.getLidState();
2356    }
2357
2358    private void readCameraLensCoverState() {
2359        mCameraLensCoverState = mWindowManagerFuncs.getCameraLensCoverState();
2360    }
2361
2362    private boolean isHidden(int accessibilityMode) {
2363        switch (accessibilityMode) {
2364            case 1:
2365                return mLidState == LID_CLOSED;
2366            case 2:
2367                return mLidState == LID_OPEN;
2368            default:
2369                return false;
2370        }
2371    }
2372
2373    /** {@inheritDoc} */
2374    @Override
2375    public void adjustConfigurationLw(Configuration config, int keyboardPresence,
2376            int navigationPresence) {
2377        mHaveBuiltInKeyboard = (keyboardPresence & PRESENCE_INTERNAL) != 0;
2378
2379        readConfigurationDependentBehaviors();
2380        readLidState();
2381
2382        if (config.keyboard == Configuration.KEYBOARD_NOKEYS
2383                || (keyboardPresence == PRESENCE_INTERNAL
2384                        && isHidden(mLidKeyboardAccessibility))) {
2385            config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_YES;
2386            if (!mHasSoftInput) {
2387                config.keyboardHidden = Configuration.KEYBOARDHIDDEN_YES;
2388            }
2389        }
2390
2391        if (config.navigation == Configuration.NAVIGATION_NONAV
2392                || (navigationPresence == PRESENCE_INTERNAL
2393                        && isHidden(mLidNavigationAccessibility))) {
2394            config.navigationHidden = Configuration.NAVIGATIONHIDDEN_YES;
2395        }
2396    }
2397
2398    @Override
2399    public void onConfigurationChanged() {
2400        final Resources res = mContext.getResources();
2401
2402        mStatusBarHeight =
2403                res.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
2404
2405        // Height of the navigation bar when presented horizontally at bottom
2406        mNavigationBarHeightForRotationDefault[mPortraitRotation] =
2407        mNavigationBarHeightForRotationDefault[mUpsideDownRotation] =
2408                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_height);
2409        mNavigationBarHeightForRotationDefault[mLandscapeRotation] =
2410        mNavigationBarHeightForRotationDefault[mSeascapeRotation] = res.getDimensionPixelSize(
2411                com.android.internal.R.dimen.navigation_bar_height_landscape);
2412
2413        // Width of the navigation bar when presented vertically along one side
2414        mNavigationBarWidthForRotationDefault[mPortraitRotation] =
2415        mNavigationBarWidthForRotationDefault[mUpsideDownRotation] =
2416        mNavigationBarWidthForRotationDefault[mLandscapeRotation] =
2417        mNavigationBarWidthForRotationDefault[mSeascapeRotation] =
2418                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_width);
2419
2420        // Height of the navigation bar when presented horizontally at bottom
2421        mNavigationBarHeightForRotationInCarMode[mPortraitRotation] =
2422        mNavigationBarHeightForRotationInCarMode[mUpsideDownRotation] =
2423                res.getDimensionPixelSize(
2424                        com.android.internal.R.dimen.navigation_bar_height_car_mode);
2425        mNavigationBarHeightForRotationInCarMode[mLandscapeRotation] =
2426        mNavigationBarHeightForRotationInCarMode[mSeascapeRotation] = res.getDimensionPixelSize(
2427                com.android.internal.R.dimen.navigation_bar_height_landscape_car_mode);
2428
2429        // Width of the navigation bar when presented vertically along one side
2430        mNavigationBarWidthForRotationInCarMode[mPortraitRotation] =
2431        mNavigationBarWidthForRotationInCarMode[mUpsideDownRotation] =
2432        mNavigationBarWidthForRotationInCarMode[mLandscapeRotation] =
2433        mNavigationBarWidthForRotationInCarMode[mSeascapeRotation] =
2434                res.getDimensionPixelSize(
2435                        com.android.internal.R.dimen.navigation_bar_width_car_mode);
2436    }
2437
2438    /** {@inheritDoc} */
2439    @Override
2440    public int windowTypeToLayerLw(int type) {
2441        if (type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW) {
2442            return 2;
2443        }
2444        switch (type) {
2445        case TYPE_PRIVATE_PRESENTATION:
2446            return 2;
2447        case TYPE_WALLPAPER:
2448            // wallpaper is at the bottom, though the window manager may move it.
2449            return 2;
2450        case TYPE_DOCK_DIVIDER:
2451            return 2;
2452        case TYPE_QS_DIALOG:
2453            return 2;
2454        case TYPE_PHONE:
2455            return 3;
2456        case TYPE_SEARCH_BAR:
2457        case TYPE_VOICE_INTERACTION_STARTING:
2458            return 4;
2459        case TYPE_VOICE_INTERACTION:
2460            // voice interaction layer is almost immediately above apps.
2461            return 5;
2462        case TYPE_INPUT_CONSUMER:
2463            return 6;
2464        case TYPE_SYSTEM_DIALOG:
2465            return 7;
2466        case TYPE_TOAST:
2467            // toasts and the plugged-in battery thing
2468            return 8;
2469        case TYPE_PRIORITY_PHONE:
2470            // SIM errors and unlock.  Not sure if this really should be in a high layer.
2471            return 9;
2472        case TYPE_DREAM:
2473            // used for Dreams (screensavers with TYPE_DREAM windows)
2474            return 10;
2475        case TYPE_SYSTEM_ALERT:
2476            // like the ANR / app crashed dialogs
2477            return 11;
2478        case TYPE_INPUT_METHOD:
2479            // on-screen keyboards and other such input method user interfaces go here.
2480            return 12;
2481        case TYPE_INPUT_METHOD_DIALOG:
2482            // on-screen keyboards and other such input method user interfaces go here.
2483            return 13;
2484        case TYPE_KEYGUARD_SCRIM:
2485            // the safety window that shows behind keyguard while keyguard is starting
2486            return 14;
2487        case TYPE_STATUS_BAR_SUB_PANEL:
2488            return 15;
2489        case TYPE_STATUS_BAR:
2490            return 16;
2491        case TYPE_STATUS_BAR_PANEL:
2492            return 17;
2493        case TYPE_KEYGUARD_DIALOG:
2494            return 18;
2495        case TYPE_VOLUME_OVERLAY:
2496            // the on-screen volume indicator and controller shown when the user
2497            // changes the device volume
2498            return 19;
2499        case TYPE_SYSTEM_OVERLAY:
2500            // the on-screen volume indicator and controller shown when the user
2501            // changes the device volume
2502            return 20;
2503        case TYPE_NAVIGATION_BAR:
2504            // the navigation bar, if available, shows atop most things
2505            return 21;
2506        case TYPE_NAVIGATION_BAR_PANEL:
2507            // some panels (e.g. search) need to show on top of the navigation bar
2508            return 22;
2509        case TYPE_SCREENSHOT:
2510            // screenshot selection layer shouldn't go above system error, but it should cover
2511            // navigation bars at the very least.
2512            return 23;
2513        case TYPE_SYSTEM_ERROR:
2514            // system-level error dialogs
2515            return 24;
2516        case TYPE_MAGNIFICATION_OVERLAY:
2517            // used to highlight the magnified portion of a display
2518            return 25;
2519        case TYPE_DISPLAY_OVERLAY:
2520            // used to simulate secondary display devices
2521            return 26;
2522        case TYPE_DRAG:
2523            // the drag layer: input for drag-and-drop is associated with this window,
2524            // which sits above all other focusable windows
2525            return 27;
2526        case TYPE_ACCESSIBILITY_OVERLAY:
2527            // overlay put by accessibility services to intercept user interaction
2528            return 28;
2529        case TYPE_SECURE_SYSTEM_OVERLAY:
2530            return 29;
2531        case TYPE_BOOT_PROGRESS:
2532            return 30;
2533        case TYPE_POINTER:
2534            // the (mouse) pointer layer
2535            return 31;
2536        }
2537        Log.e(TAG, "Unknown window type: " + type);
2538        return 2;
2539    }
2540
2541    /** {@inheritDoc} */
2542    @Override
2543    public int subWindowTypeToLayerLw(int type) {
2544        switch (type) {
2545        case TYPE_APPLICATION_PANEL:
2546        case TYPE_APPLICATION_ATTACHED_DIALOG:
2547            return APPLICATION_PANEL_SUBLAYER;
2548        case TYPE_APPLICATION_MEDIA:
2549            return APPLICATION_MEDIA_SUBLAYER;
2550        case TYPE_APPLICATION_MEDIA_OVERLAY:
2551            return APPLICATION_MEDIA_OVERLAY_SUBLAYER;
2552        case TYPE_APPLICATION_SUB_PANEL:
2553            return APPLICATION_SUB_PANEL_SUBLAYER;
2554        case TYPE_APPLICATION_ABOVE_SUB_PANEL:
2555            return APPLICATION_ABOVE_SUB_PANEL_SUBLAYER;
2556        }
2557        Log.e(TAG, "Unknown sub-window type: " + type);
2558        return 0;
2559    }
2560
2561    @Override
2562    public int getMaxWallpaperLayer() {
2563        return windowTypeToLayerLw(TYPE_STATUS_BAR);
2564    }
2565
2566    private int getNavigationBarWidth(int rotation, int uiMode) {
2567        if ((uiMode & UI_MODE_TYPE_MASK) == UI_MODE_TYPE_CAR) {
2568            return mNavigationBarWidthForRotationInCarMode[rotation];
2569        } else {
2570            return mNavigationBarWidthForRotationDefault[rotation];
2571        }
2572    }
2573
2574    @Override
2575    public int getNonDecorDisplayWidth(int fullWidth, int fullHeight, int rotation,
2576            int uiMode) {
2577        if (mHasNavigationBar) {
2578            // For a basic navigation bar, when we are in landscape mode we place
2579            // the navigation bar to the side.
2580            if (mNavigationBarCanMove && fullWidth > fullHeight) {
2581                return fullWidth - getNavigationBarWidth(rotation, uiMode);
2582            }
2583        }
2584        return fullWidth;
2585    }
2586
2587    private int getNavigationBarHeight(int rotation, int uiMode) {
2588        if ((uiMode & UI_MODE_TYPE_MASK) == UI_MODE_TYPE_CAR) {
2589            return mNavigationBarHeightForRotationInCarMode[rotation];
2590        } else {
2591            return mNavigationBarHeightForRotationDefault[rotation];
2592        }
2593    }
2594
2595    @Override
2596    public int getNonDecorDisplayHeight(int fullWidth, int fullHeight, int rotation,
2597            int uiMode) {
2598        if (mHasNavigationBar) {
2599            // For a basic navigation bar, when we are in portrait mode we place
2600            // the navigation bar to the bottom.
2601            if (!mNavigationBarCanMove || fullWidth < fullHeight) {
2602                return fullHeight - getNavigationBarHeight(rotation, uiMode);
2603            }
2604        }
2605        return fullHeight;
2606    }
2607
2608    @Override
2609    public int getConfigDisplayWidth(int fullWidth, int fullHeight, int rotation, int uiMode) {
2610        return getNonDecorDisplayWidth(fullWidth, fullHeight, rotation, uiMode);
2611    }
2612
2613    @Override
2614    public int getConfigDisplayHeight(int fullWidth, int fullHeight, int rotation, int uiMode) {
2615        // There is a separate status bar at the top of the display.  We don't count that as part
2616        // of the fixed decor, since it can hide; however, for purposes of configurations,
2617        // we do want to exclude it since applications can't generally use that part
2618        // of the screen.
2619        return getNonDecorDisplayHeight(
2620                fullWidth, fullHeight, rotation, uiMode) - mStatusBarHeight;
2621    }
2622
2623    @Override
2624    public boolean isForceHiding(WindowManager.LayoutParams attrs) {
2625        return (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 ||
2626                (isKeyguardHostWindow(attrs) &&
2627                        (mKeyguardDelegate != null && mKeyguardDelegate.isShowing())) ||
2628                (attrs.type == TYPE_KEYGUARD_SCRIM);
2629    }
2630
2631    @Override
2632    public boolean isKeyguardHostWindow(WindowManager.LayoutParams attrs) {
2633        return attrs.type == TYPE_STATUS_BAR;
2634    }
2635
2636    @Override
2637    public boolean canBeForceHidden(WindowState win, WindowManager.LayoutParams attrs) {
2638        switch (attrs.type) {
2639            case TYPE_STATUS_BAR:
2640            case TYPE_NAVIGATION_BAR:
2641            case TYPE_WALLPAPER:
2642            case TYPE_DREAM:
2643            case TYPE_KEYGUARD_SCRIM:
2644                return false;
2645            default:
2646                // Hide only windows below the keyguard host window.
2647                return windowTypeToLayerLw(win.getBaseType())
2648                        < windowTypeToLayerLw(TYPE_STATUS_BAR);
2649        }
2650    }
2651
2652    @Override
2653    public WindowState getWinShowWhenLockedLw() {
2654        return mWinShowWhenLocked;
2655    }
2656
2657    /** {@inheritDoc} */
2658    @Override
2659    public View addStartingWindow(IBinder appToken, String packageName, int theme,
2660            CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes,
2661            int icon, int logo, int windowFlags, Configuration overrideConfig) {
2662        if (!SHOW_STARTING_ANIMATIONS) {
2663            return null;
2664        }
2665        if (packageName == null) {
2666            return null;
2667        }
2668
2669        WindowManager wm = null;
2670        View view = null;
2671
2672        try {
2673            Context context = mContext;
2674            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow " + packageName
2675                    + ": nonLocalizedLabel=" + nonLocalizedLabel + " theme="
2676                    + Integer.toHexString(theme));
2677            if (theme != context.getThemeResId() || labelRes != 0) {
2678                try {
2679                    context = context.createPackageContext(packageName, 0);
2680                    context.setTheme(theme);
2681                } catch (PackageManager.NameNotFoundException e) {
2682                    // Ignore
2683                }
2684            }
2685
2686            if (overrideConfig != null && overrideConfig != EMPTY) {
2687                if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow: creating context based"
2688                        + " on overrideConfig" + overrideConfig + " for starting window");
2689                final Context overrideContext = context.createConfigurationContext(overrideConfig);
2690                overrideContext.setTheme(theme);
2691                final TypedArray typedArray = overrideContext.obtainStyledAttributes(
2692                        com.android.internal.R.styleable.Window);
2693                final int resId = typedArray.getResourceId(R.styleable.Window_windowBackground, 0);
2694                if (resId != 0 && overrideContext.getDrawable(resId) != null) {
2695                    // We want to use the windowBackground for the override context if it is
2696                    // available, otherwise we use the default one to make sure a themed starting
2697                    // window is displayed for the app.
2698                    if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow: apply overrideConfig"
2699                            + overrideConfig + " to starting window resId=" + resId);
2700                    context = overrideContext;
2701                }
2702            }
2703
2704            final PhoneWindow win = new PhoneWindow(context);
2705            win.setIsStartingWindow(true);
2706
2707            CharSequence label = context.getResources().getText(labelRes, null);
2708            // Only change the accessibility title if the label is localized
2709            if (label != null) {
2710                win.setTitle(label, true);
2711            } else {
2712                win.setTitle(nonLocalizedLabel, false);
2713            }
2714
2715            win.setType(
2716                WindowManager.LayoutParams.TYPE_APPLICATION_STARTING);
2717
2718            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
2719                // Assumes it's safe to show starting windows of launched apps while
2720                // the keyguard is being hidden. This is okay because starting windows never show
2721                // secret information.
2722                if (mKeyguardHidden) {
2723                    windowFlags |= FLAG_SHOW_WHEN_LOCKED;
2724                }
2725            }
2726
2727            // Force the window flags: this is a fake window, so it is not really
2728            // touchable or focusable by the user.  We also add in the ALT_FOCUSABLE_IM
2729            // flag because we do know that the next window will take input
2730            // focus, so we want to get the IME window up on top of us right away.
2731            win.setFlags(
2732                windowFlags|
2733                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2734                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2735                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
2736                windowFlags|
2737                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2738                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2739                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
2740
2741            win.setDefaultIcon(icon);
2742            win.setDefaultLogo(logo);
2743
2744            win.setLayout(WindowManager.LayoutParams.MATCH_PARENT,
2745                    WindowManager.LayoutParams.MATCH_PARENT);
2746
2747            final WindowManager.LayoutParams params = win.getAttributes();
2748            params.token = appToken;
2749            params.packageName = packageName;
2750            params.windowAnimations = win.getWindowStyle().getResourceId(
2751                    com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
2752            params.privateFlags |=
2753                    WindowManager.LayoutParams.PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED;
2754            params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
2755
2756            if (!compatInfo.supportsScreen()) {
2757                params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW;
2758            }
2759
2760            params.setTitle("Starting " + packageName);
2761
2762            wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
2763            view = win.getDecorView();
2764
2765            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "Adding starting window for "
2766                + packageName + " / " + appToken + ": " + (view.getParent() != null ? view : null));
2767
2768            wm.addView(view, params);
2769
2770            // Only return the view if it was successfully added to the
2771            // window manager... which we can tell by it having a parent.
2772            return view.getParent() != null ? view : null;
2773        } catch (WindowManager.BadTokenException e) {
2774            // ignore
2775            Log.w(TAG, appToken + " already running, starting window not displayed. " +
2776                    e.getMessage());
2777        } catch (RuntimeException e) {
2778            // don't crash if something else bad happens, for example a
2779            // failure loading resources because we are loading from an app
2780            // on external storage that has been unmounted.
2781            Log.w(TAG, appToken + " failed creating starting window", e);
2782        } finally {
2783            if (view != null && view.getParent() == null) {
2784                Log.w(TAG, "view not successfully added to wm, removing view");
2785                wm.removeViewImmediate(view);
2786            }
2787        }
2788
2789        return null;
2790    }
2791
2792    /** {@inheritDoc} */
2793    @Override
2794    public void removeStartingWindow(IBinder appToken, View window) {
2795        if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Removing starting window for " + appToken + ": "
2796                + window + " Callers=" + Debug.getCallers(4));
2797
2798        if (window != null) {
2799            WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
2800            wm.removeView(window);
2801        }
2802    }
2803
2804    /**
2805     * Preflight adding a window to the system.
2806     *
2807     * Currently enforces that three window types are singletons:
2808     * <ul>
2809     * <li>STATUS_BAR_TYPE</li>
2810     * <li>KEYGUARD_TYPE</li>
2811     * </ul>
2812     *
2813     * @param win The window to be added
2814     * @param attrs Information about the window to be added
2815     *
2816     * @return If ok, WindowManagerImpl.ADD_OKAY.  If too many singletons,
2817     * WindowManagerImpl.ADD_MULTIPLE_SINGLETON
2818     */
2819    @Override
2820    public int prepareAddWindowLw(WindowState win, WindowManager.LayoutParams attrs) {
2821        switch (attrs.type) {
2822            case TYPE_STATUS_BAR:
2823                mContext.enforceCallingOrSelfPermission(
2824                        android.Manifest.permission.STATUS_BAR_SERVICE,
2825                        "PhoneWindowManager");
2826                if (mStatusBar != null) {
2827                    if (mStatusBar.isAlive()) {
2828                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2829                    }
2830                }
2831                mStatusBar = win;
2832                mStatusBarController.setWindow(win);
2833                break;
2834            case TYPE_NAVIGATION_BAR:
2835                mContext.enforceCallingOrSelfPermission(
2836                        android.Manifest.permission.STATUS_BAR_SERVICE,
2837                        "PhoneWindowManager");
2838                if (mNavigationBar != null) {
2839                    if (mNavigationBar.isAlive()) {
2840                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2841                    }
2842                }
2843                mNavigationBar = win;
2844                mNavigationBarController.setWindow(win);
2845                if (DEBUG_LAYOUT) Slog.i(TAG, "NAVIGATION BAR: " + mNavigationBar);
2846                break;
2847            case TYPE_NAVIGATION_BAR_PANEL:
2848            case TYPE_STATUS_BAR_PANEL:
2849            case TYPE_STATUS_BAR_SUB_PANEL:
2850            case TYPE_VOICE_INTERACTION_STARTING:
2851                mContext.enforceCallingOrSelfPermission(
2852                        android.Manifest.permission.STATUS_BAR_SERVICE,
2853                        "PhoneWindowManager");
2854                break;
2855            case TYPE_KEYGUARD_SCRIM:
2856                if (mKeyguardScrim != null) {
2857                    return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2858                }
2859                mKeyguardScrim = win;
2860                break;
2861        }
2862        return WindowManagerGlobal.ADD_OKAY;
2863    }
2864
2865    /** {@inheritDoc} */
2866    @Override
2867    public void removeWindowLw(WindowState win) {
2868        if (mStatusBar == win) {
2869            mStatusBar = null;
2870            mStatusBarController.setWindow(null);
2871            mKeyguardDelegate.showScrim();
2872        } else if (mKeyguardScrim == win) {
2873            Log.v(TAG, "Removing keyguard scrim");
2874            mKeyguardScrim = null;
2875        } if (mNavigationBar == win) {
2876            mNavigationBar = null;
2877            mNavigationBarController.setWindow(null);
2878        }
2879    }
2880
2881    static final boolean PRINT_ANIM = false;
2882
2883    /** {@inheritDoc} */
2884    @Override
2885    public int selectAnimationLw(WindowState win, int transit) {
2886        if (PRINT_ANIM) Log.i(TAG, "selectAnimation in " + win
2887              + ": transit=" + transit);
2888        if (win == mStatusBar) {
2889            boolean isKeyguard = (win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
2890            if (transit == TRANSIT_EXIT
2891                    || transit == TRANSIT_HIDE) {
2892                return isKeyguard ? -1 : R.anim.dock_top_exit;
2893            } else if (transit == TRANSIT_ENTER
2894                    || transit == TRANSIT_SHOW) {
2895                return isKeyguard ? -1 : R.anim.dock_top_enter;
2896            }
2897        } else if (win == mNavigationBar) {
2898            if (win.getAttrs().windowAnimations != 0) {
2899                return 0;
2900            }
2901            // This can be on either the bottom or the right or the left.
2902            if (mNavigationBarPosition == NAV_BAR_BOTTOM) {
2903                if (transit == TRANSIT_EXIT
2904                        || transit == TRANSIT_HIDE) {
2905                    return R.anim.dock_bottom_exit;
2906                } else if (transit == TRANSIT_ENTER
2907                        || transit == TRANSIT_SHOW) {
2908                    return R.anim.dock_bottom_enter;
2909                }
2910            } else if (mNavigationBarPosition == NAV_BAR_RIGHT) {
2911                if (transit == TRANSIT_EXIT
2912                        || transit == TRANSIT_HIDE) {
2913                    return R.anim.dock_right_exit;
2914                } else if (transit == TRANSIT_ENTER
2915                        || transit == TRANSIT_SHOW) {
2916                    return R.anim.dock_right_enter;
2917                }
2918            } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
2919                if (transit == TRANSIT_EXIT
2920                        || transit == TRANSIT_HIDE) {
2921                    return R.anim.dock_left_exit;
2922                } else if (transit == TRANSIT_ENTER
2923                        || transit == TRANSIT_SHOW) {
2924                    return R.anim.dock_left_enter;
2925                }
2926            }
2927        } else if (win.getAttrs().type == TYPE_DOCK_DIVIDER) {
2928            return selectDockedDividerAnimationLw(win, transit);
2929        }
2930
2931        if (transit == TRANSIT_PREVIEW_DONE) {
2932            if (win.hasAppShownWindows()) {
2933                if (PRINT_ANIM) Log.i(TAG, "**** STARTING EXIT");
2934                return com.android.internal.R.anim.app_starting_exit;
2935            }
2936        } else if (win.getAttrs().type == TYPE_DREAM && mDreamingLockscreen
2937                && transit == TRANSIT_ENTER) {
2938            // Special case: we are animating in a dream, while the keyguard
2939            // is shown.  We don't want an animation on the dream, because
2940            // we need it shown immediately with the keyguard animating away
2941            // to reveal it.
2942            return -1;
2943        }
2944
2945        return 0;
2946    }
2947
2948    private int selectDockedDividerAnimationLw(WindowState win, int transit) {
2949        int insets = mWindowManagerFuncs.getDockedDividerInsetsLw();
2950
2951        // If the divider is behind the navigation bar, don't animate.
2952        final Rect frame = win.getFrameLw();
2953        final boolean behindNavBar = mNavigationBar != null
2954                && ((mNavigationBarPosition == NAV_BAR_BOTTOM
2955                        && frame.top + insets >= mNavigationBar.getFrameLw().top)
2956                || (mNavigationBarPosition == NAV_BAR_RIGHT
2957                        && frame.left + insets >= mNavigationBar.getFrameLw().left)
2958                || (mNavigationBarPosition == NAV_BAR_LEFT
2959                        && frame.right - insets <= mNavigationBar.getFrameLw().right));
2960        final boolean landscape = frame.height() > frame.width();
2961        final boolean offscreenLandscape = landscape && (frame.right - insets <= 0
2962                || frame.left + insets >= win.getDisplayFrameLw().right);
2963        final boolean offscreenPortrait = !landscape && (frame.top - insets <= 0
2964                || frame.bottom + insets >= win.getDisplayFrameLw().bottom);
2965        final boolean offscreen = offscreenLandscape || offscreenPortrait;
2966        if (behindNavBar || offscreen) {
2967            return 0;
2968        }
2969        if (transit == TRANSIT_ENTER || transit == TRANSIT_SHOW) {
2970            return R.anim.fade_in;
2971        } else if (transit == TRANSIT_EXIT) {
2972            return R.anim.fade_out;
2973        } else {
2974            return 0;
2975        }
2976    }
2977
2978    @Override
2979    public void selectRotationAnimationLw(int anim[]) {
2980        if (PRINT_ANIM) Slog.i(TAG, "selectRotationAnimation mTopFullscreen="
2981                + mTopFullscreenOpaqueWindowState + " rotationAnimation="
2982                + (mTopFullscreenOpaqueWindowState == null ?
2983                        "0" : mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation));
2984        if (mTopFullscreenOpaqueWindowState != null) {
2985            int animationHint = mTopFullscreenOpaqueWindowState.getRotationAnimationHint();
2986            if (animationHint < 0 && mTopIsFullscreen) {
2987                animationHint = mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation;
2988            }
2989            switch (animationHint) {
2990                case ROTATION_ANIMATION_CROSSFADE:
2991                case ROTATION_ANIMATION_SEAMLESS: // Crossfade is fallback for seamless.
2992                    anim[0] = R.anim.rotation_animation_xfade_exit;
2993                    anim[1] = R.anim.rotation_animation_enter;
2994                    break;
2995                case ROTATION_ANIMATION_JUMPCUT:
2996                    anim[0] = R.anim.rotation_animation_jump_exit;
2997                    anim[1] = R.anim.rotation_animation_enter;
2998                    break;
2999                case ROTATION_ANIMATION_ROTATE:
3000                default:
3001                    anim[0] = anim[1] = 0;
3002                    break;
3003            }
3004        } else {
3005            anim[0] = anim[1] = 0;
3006        }
3007    }
3008
3009    @Override
3010    public boolean validateRotationAnimationLw(int exitAnimId, int enterAnimId,
3011            boolean forceDefault) {
3012        switch (exitAnimId) {
3013            case R.anim.rotation_animation_xfade_exit:
3014            case R.anim.rotation_animation_jump_exit:
3015                // These are the only cases that matter.
3016                if (forceDefault) {
3017                    return false;
3018                }
3019                int anim[] = new int[2];
3020                selectRotationAnimationLw(anim);
3021                return (exitAnimId == anim[0] && enterAnimId == anim[1]);
3022            default:
3023                return true;
3024        }
3025    }
3026
3027    @Override
3028    public Animation createForceHideEnterAnimation(boolean onWallpaper,
3029            boolean goingToNotificationShade) {
3030        if (goingToNotificationShade) {
3031            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_behind_enter_fade_in);
3032        }
3033
3034        AnimationSet set = (AnimationSet) AnimationUtils.loadAnimation(mContext, onWallpaper ?
3035                    R.anim.lock_screen_behind_enter_wallpaper :
3036                    R.anim.lock_screen_behind_enter);
3037
3038        // TODO: Use XML interpolators when we have log interpolators available in XML.
3039        final List<Animation> animations = set.getAnimations();
3040        for (int i = animations.size() - 1; i >= 0; --i) {
3041            animations.get(i).setInterpolator(mLogDecelerateInterpolator);
3042        }
3043
3044        return set;
3045    }
3046
3047
3048    @Override
3049    public Animation createForceHideWallpaperExitAnimation(boolean goingToNotificationShade) {
3050        if (goingToNotificationShade) {
3051            return null;
3052        } else {
3053            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_wallpaper_exit);
3054        }
3055    }
3056
3057    private static void awakenDreams() {
3058        IDreamManager dreamManager = getDreamManager();
3059        if (dreamManager != null) {
3060            try {
3061                dreamManager.awaken();
3062            } catch (RemoteException e) {
3063                // fine, stay asleep then
3064            }
3065        }
3066    }
3067
3068    static IDreamManager getDreamManager() {
3069        return IDreamManager.Stub.asInterface(
3070                ServiceManager.checkService(DreamService.DREAM_SERVICE));
3071    }
3072
3073    TelecomManager getTelecommService() {
3074        return (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE);
3075    }
3076
3077    static IAudioService getAudioService() {
3078        IAudioService audioService = IAudioService.Stub.asInterface(
3079                ServiceManager.checkService(Context.AUDIO_SERVICE));
3080        if (audioService == null) {
3081            Log.w(TAG, "Unable to find IAudioService interface.");
3082        }
3083        return audioService;
3084    }
3085
3086    boolean keyguardOn() {
3087        return isKeyguardShowingAndNotOccluded() || inKeyguardRestrictedKeyInputMode();
3088    }
3089
3090    private static final int[] WINDOW_TYPES_WHERE_HOME_DOESNT_WORK = {
3091            WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
3092            WindowManager.LayoutParams.TYPE_SYSTEM_ERROR,
3093        };
3094
3095    /** {@inheritDoc} */
3096    @Override
3097    public long interceptKeyBeforeDispatching(WindowState win, KeyEvent event, int policyFlags) {
3098        final boolean keyguardOn = keyguardOn();
3099        final int keyCode = event.getKeyCode();
3100        final int repeatCount = event.getRepeatCount();
3101        final int metaState = event.getMetaState();
3102        final int flags = event.getFlags();
3103        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
3104        final boolean canceled = event.isCanceled();
3105
3106        if (DEBUG_INPUT) {
3107            Log.d(TAG, "interceptKeyTi keyCode=" + keyCode + " down=" + down + " repeatCount="
3108                    + repeatCount + " keyguardOn=" + keyguardOn + " mHomePressed=" + mHomePressed
3109                    + " canceled=" + canceled);
3110        }
3111
3112        // If we think we might have a volume down & power key chord on the way
3113        // but we're not sure, then tell the dispatcher to wait a little while and
3114        // try again later before dispatching.
3115        if (mScreenshotChordEnabled && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
3116            if (mScreenshotChordVolumeDownKeyTriggered && !mScreenshotChordPowerKeyTriggered) {
3117                final long now = SystemClock.uptimeMillis();
3118                final long timeoutTime = mScreenshotChordVolumeDownKeyTime
3119                        + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
3120                if (now < timeoutTime) {
3121                    return timeoutTime - now;
3122                }
3123            }
3124            if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
3125                    && mScreenshotChordVolumeDownKeyConsumed) {
3126                if (!down) {
3127                    mScreenshotChordVolumeDownKeyConsumed = false;
3128                }
3129                return -1;
3130            }
3131        }
3132
3133        // Cancel any pending meta actions if we see any other keys being pressed between the down
3134        // of the meta key and its corresponding up.
3135        if (mPendingMetaAction && !KeyEvent.isMetaKey(keyCode)) {
3136            mPendingMetaAction = false;
3137        }
3138        // Any key that is not Alt or Meta cancels Caps Lock combo tracking.
3139        if (mPendingCapsLockToggle && !KeyEvent.isMetaKey(keyCode) && !KeyEvent.isAltKey(keyCode)) {
3140            mPendingCapsLockToggle = false;
3141        }
3142
3143        // First we always handle the home key here, so applications
3144        // can never break it, although if keyguard is on, we do let
3145        // it handle it, because that gives us the correct 5 second
3146        // timeout.
3147        if (keyCode == KeyEvent.KEYCODE_HOME) {
3148
3149            // If we have released the home key, and didn't do anything else
3150            // while it was pressed, then it is time to go home!
3151            if (!down) {
3152                cancelPreloadRecentApps();
3153
3154                mHomePressed = false;
3155                if (mHomeConsumed) {
3156                    mHomeConsumed = false;
3157                    return -1;
3158                }
3159
3160                if (canceled) {
3161                    Log.i(TAG, "Ignoring HOME; event canceled.");
3162                    return -1;
3163                }
3164
3165                // Delay handling home if a double-tap is possible.
3166                if (mDoubleTapOnHomeBehavior != DOUBLE_TAP_HOME_NOTHING) {
3167                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable); // just in case
3168                    mHomeDoubleTapPending = true;
3169                    mHandler.postDelayed(mHomeDoubleTapTimeoutRunnable,
3170                            ViewConfiguration.getDoubleTapTimeout());
3171                    return -1;
3172                }
3173
3174                handleShortPressOnHome();
3175                return -1;
3176            }
3177
3178            // If a system window has focus, then it doesn't make sense
3179            // right now to interact with applications.
3180            WindowManager.LayoutParams attrs = win != null ? win.getAttrs() : null;
3181            if (attrs != null) {
3182                final int type = attrs.type;
3183                if (type == WindowManager.LayoutParams.TYPE_KEYGUARD_SCRIM
3184                        || type == WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG
3185                        || (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
3186                    // the "app" is keyguard, so give it the key
3187                    return 0;
3188                }
3189                final int typeCount = WINDOW_TYPES_WHERE_HOME_DOESNT_WORK.length;
3190                for (int i=0; i<typeCount; i++) {
3191                    if (type == WINDOW_TYPES_WHERE_HOME_DOESNT_WORK[i]) {
3192                        // don't do anything, but also don't pass it to the app
3193                        return -1;
3194                    }
3195                }
3196            }
3197
3198            // Remember that home is pressed and handle special actions.
3199            if (repeatCount == 0) {
3200                mHomePressed = true;
3201                if (mHomeDoubleTapPending) {
3202                    mHomeDoubleTapPending = false;
3203                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable);
3204                    handleDoubleTapOnHome();
3205                } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI
3206                        || mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
3207                    preloadRecentApps();
3208                }
3209            } else if ((event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) {
3210                if (!keyguardOn) {
3211                    handleLongPressOnHome(event.getDeviceId());
3212                }
3213            }
3214            return -1;
3215        } else if (keyCode == KeyEvent.KEYCODE_MENU) {
3216            // Hijack modified menu keys for debugging features
3217            final int chordBug = KeyEvent.META_SHIFT_ON;
3218
3219            if (down && repeatCount == 0) {
3220                if (mEnableShiftMenuBugReports && (metaState & chordBug) == chordBug) {
3221                    Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
3222                    mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT,
3223                            null, null, null, 0, null, null);
3224                    return -1;
3225                } else if (SHOW_PROCESSES_ON_ALT_MENU &&
3226                        (metaState & KeyEvent.META_ALT_ON) == KeyEvent.META_ALT_ON) {
3227                    Intent service = new Intent();
3228                    service.setClassName(mContext, "com.android.server.LoadAverageService");
3229                    ContentResolver res = mContext.getContentResolver();
3230                    boolean shown = Settings.Global.getInt(
3231                            res, Settings.Global.SHOW_PROCESSES, 0) != 0;
3232                    if (!shown) {
3233                        mContext.startService(service);
3234                    } else {
3235                        mContext.stopService(service);
3236                    }
3237                    Settings.Global.putInt(
3238                            res, Settings.Global.SHOW_PROCESSES, shown ? 0 : 1);
3239                    return -1;
3240                }
3241            }
3242        } else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
3243            if (down) {
3244                if (repeatCount == 0) {
3245                    mSearchKeyShortcutPending = true;
3246                    mConsumeSearchKeyUp = false;
3247                }
3248            } else {
3249                mSearchKeyShortcutPending = false;
3250                if (mConsumeSearchKeyUp) {
3251                    mConsumeSearchKeyUp = false;
3252                    return -1;
3253                }
3254            }
3255            return 0;
3256        } else if (keyCode == KeyEvent.KEYCODE_APP_SWITCH) {
3257            if (!keyguardOn) {
3258                if (down && repeatCount == 0) {
3259                    preloadRecentApps();
3260                } else if (!down) {
3261                    toggleRecentApps();
3262                }
3263            }
3264            return -1;
3265        } else if (keyCode == KeyEvent.KEYCODE_N && event.isMetaPressed()) {
3266            if (down) {
3267                IStatusBarService service = getStatusBarService();
3268                if (service != null) {
3269                    try {
3270                        service.expandNotificationsPanel();
3271                    } catch (RemoteException e) {
3272                        // do nothing.
3273                    }
3274                }
3275            }
3276        } else if (keyCode == KeyEvent.KEYCODE_S && event.isMetaPressed()
3277                && event.isCtrlPressed()) {
3278            if (down && repeatCount == 0) {
3279                int type = event.isShiftPressed() ? TAKE_SCREENSHOT_SELECTED_REGION
3280                        : TAKE_SCREENSHOT_FULLSCREEN;
3281                mScreenshotRunnable.setScreenshotType(type);
3282                mHandler.post(mScreenshotRunnable);
3283                return -1;
3284            }
3285        } else if (keyCode == KeyEvent.KEYCODE_SLASH && event.isMetaPressed()) {
3286            if (down && repeatCount == 0 && !isKeyguardLocked()) {
3287                toggleKeyboardShortcutsMenu(event.getDeviceId());
3288            }
3289        } else if (keyCode == KeyEvent.KEYCODE_ASSIST) {
3290            if (down) {
3291                if (repeatCount == 0) {
3292                    mAssistKeyLongPressed = false;
3293                } else if (repeatCount == 1) {
3294                    mAssistKeyLongPressed = true;
3295                    if (!keyguardOn) {
3296                         launchAssistLongPressAction();
3297                    }
3298                }
3299            } else {
3300                if (mAssistKeyLongPressed) {
3301                    mAssistKeyLongPressed = false;
3302                } else {
3303                    if (!keyguardOn) {
3304                        launchAssistAction(null, event.getDeviceId());
3305                    }
3306                }
3307            }
3308            return -1;
3309        } else if (keyCode == KeyEvent.KEYCODE_VOICE_ASSIST) {
3310            if (!down) {
3311                Intent voiceIntent;
3312                if (!keyguardOn) {
3313                    voiceIntent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
3314                } else {
3315                    IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
3316                            ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
3317                    if (dic != null) {
3318                        try {
3319                            dic.exitIdle("voice-search");
3320                        } catch (RemoteException e) {
3321                        }
3322                    }
3323                    voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
3324                    voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, true);
3325                }
3326                startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
3327            }
3328        } else if (keyCode == KeyEvent.KEYCODE_SYSRQ) {
3329            if (down && repeatCount == 0) {
3330                mScreenshotRunnable.setScreenshotType(TAKE_SCREENSHOT_FULLSCREEN);
3331                mHandler.post(mScreenshotRunnable);
3332            }
3333            return -1;
3334        } else if (keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP
3335                || keyCode == KeyEvent.KEYCODE_BRIGHTNESS_DOWN) {
3336            if (down) {
3337                int direction = keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP ? 1 : -1;
3338
3339                // Disable autobrightness if it's on
3340                int auto = Settings.System.getIntForUser(
3341                        mContext.getContentResolver(),
3342                        Settings.System.SCREEN_BRIGHTNESS_MODE,
3343                        Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
3344                        UserHandle.USER_CURRENT_OR_SELF);
3345                if (auto != 0) {
3346                    Settings.System.putIntForUser(mContext.getContentResolver(),
3347                            Settings.System.SCREEN_BRIGHTNESS_MODE,
3348                            Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
3349                            UserHandle.USER_CURRENT_OR_SELF);
3350                }
3351
3352                int min = mPowerManager.getMinimumScreenBrightnessSetting();
3353                int max = mPowerManager.getMaximumScreenBrightnessSetting();
3354                int step = (max - min + BRIGHTNESS_STEPS - 1) / BRIGHTNESS_STEPS * direction;
3355                int brightness = Settings.System.getIntForUser(mContext.getContentResolver(),
3356                        Settings.System.SCREEN_BRIGHTNESS,
3357                        mPowerManager.getDefaultScreenBrightnessSetting(),
3358                        UserHandle.USER_CURRENT_OR_SELF);
3359                brightness += step;
3360                // Make sure we don't go beyond the limits.
3361                brightness = Math.min(max, brightness);
3362                brightness = Math.max(min, brightness);
3363
3364                Settings.System.putIntForUser(mContext.getContentResolver(),
3365                        Settings.System.SCREEN_BRIGHTNESS, brightness,
3366                        UserHandle.USER_CURRENT_OR_SELF);
3367                startActivityAsUser(new Intent(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG),
3368                        UserHandle.CURRENT_OR_SELF);
3369            }
3370            return -1;
3371        } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP
3372                || keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
3373                || keyCode == KeyEvent.KEYCODE_VOLUME_MUTE) {
3374            if (mUseTvRouting) {
3375                // On TVs volume keys never go to the foreground app.
3376                dispatchDirectAudioEvent(event);
3377                return -1;
3378            }
3379        }
3380
3381        // Toggle Caps Lock on META-ALT.
3382        boolean actionTriggered = false;
3383        if (KeyEvent.isModifierKey(keyCode)) {
3384            if (!mPendingCapsLockToggle) {
3385                // Start tracking meta state for combo.
3386                mInitialMetaState = mMetaState;
3387                mPendingCapsLockToggle = true;
3388            } else if (event.getAction() == KeyEvent.ACTION_UP) {
3389                int altOnMask = mMetaState & KeyEvent.META_ALT_MASK;
3390                int metaOnMask = mMetaState & KeyEvent.META_META_MASK;
3391
3392                // Check for Caps Lock toggle
3393                if ((metaOnMask != 0) && (altOnMask != 0)) {
3394                    // Check if nothing else is pressed
3395                    if (mInitialMetaState == (mMetaState ^ (altOnMask | metaOnMask))) {
3396                        // Handle Caps Lock Toggle
3397                        mInputManagerInternal.toggleCapsLock(event.getDeviceId());
3398                        actionTriggered = true;
3399                    }
3400                }
3401
3402                // Always stop tracking when key goes up.
3403                mPendingCapsLockToggle = false;
3404            }
3405        }
3406        // Store current meta state to be able to evaluate it later.
3407        mMetaState = metaState;
3408
3409        if (actionTriggered) {
3410            return -1;
3411        }
3412
3413        if (KeyEvent.isMetaKey(keyCode)) {
3414            if (down) {
3415                mPendingMetaAction = true;
3416            } else if (mPendingMetaAction) {
3417                launchAssistAction(Intent.EXTRA_ASSIST_INPUT_HINT_KEYBOARD, event.getDeviceId());
3418            }
3419            return -1;
3420        }
3421
3422        // Shortcuts are invoked through Search+key, so intercept those here
3423        // Any printing key that is chorded with Search should be consumed
3424        // even if no shortcut was invoked.  This prevents text from being
3425        // inadvertently inserted when using a keyboard that has built-in macro
3426        // shortcut keys (that emit Search+x) and some of them are not registered.
3427        if (mSearchKeyShortcutPending) {
3428            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3429            if (kcm.isPrintingKey(keyCode)) {
3430                mConsumeSearchKeyUp = true;
3431                mSearchKeyShortcutPending = false;
3432                if (down && repeatCount == 0 && !keyguardOn) {
3433                    Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState);
3434                    if (shortcutIntent != null) {
3435                        shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3436                        try {
3437                            startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3438                            dismissKeyboardShortcutsMenu();
3439                        } catch (ActivityNotFoundException ex) {
3440                            Slog.w(TAG, "Dropping shortcut key combination because "
3441                                    + "the activity to which it is registered was not found: "
3442                                    + "SEARCH+" + KeyEvent.keyCodeToString(keyCode), ex);
3443                        }
3444                    } else {
3445                        Slog.i(TAG, "Dropping unregistered shortcut key combination: "
3446                                + "SEARCH+" + KeyEvent.keyCodeToString(keyCode));
3447                    }
3448                }
3449                return -1;
3450            }
3451        }
3452
3453        // Invoke shortcuts using Meta.
3454        if (down && repeatCount == 0 && !keyguardOn
3455                && (metaState & KeyEvent.META_META_ON) != 0) {
3456            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3457            if (kcm.isPrintingKey(keyCode)) {
3458                Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode,
3459                        metaState & ~(KeyEvent.META_META_ON
3460                                | KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_RIGHT_ON));
3461                if (shortcutIntent != null) {
3462                    shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3463                    try {
3464                        startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3465                        dismissKeyboardShortcutsMenu();
3466                    } catch (ActivityNotFoundException ex) {
3467                        Slog.w(TAG, "Dropping shortcut key combination because "
3468                                + "the activity to which it is registered was not found: "
3469                                + "META+" + KeyEvent.keyCodeToString(keyCode), ex);
3470                    }
3471                    return -1;
3472                }
3473            }
3474        }
3475
3476        // Handle application launch keys.
3477        if (down && repeatCount == 0 && !keyguardOn) {
3478            String category = sApplicationLaunchKeyCategories.get(keyCode);
3479            if (category != null) {
3480                Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, category);
3481                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3482                try {
3483                    startActivityAsUser(intent, UserHandle.CURRENT);
3484                    dismissKeyboardShortcutsMenu();
3485                } catch (ActivityNotFoundException ex) {
3486                    Slog.w(TAG, "Dropping application launch key because "
3487                            + "the activity to which it is registered was not found: "
3488                            + "keyCode=" + keyCode + ", category=" + category, ex);
3489                }
3490                return -1;
3491            }
3492        }
3493
3494        // Display task switcher for ALT-TAB.
3495        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_TAB) {
3496            if (mRecentAppsHeldModifiers == 0 && !keyguardOn && isUserSetupComplete()) {
3497                final int shiftlessModifiers = event.getModifiers() & ~KeyEvent.META_SHIFT_MASK;
3498                if (KeyEvent.metaStateHasModifiers(shiftlessModifiers, KeyEvent.META_ALT_ON)) {
3499                    mRecentAppsHeldModifiers = shiftlessModifiers;
3500                    showRecentApps(true, false);
3501                    return -1;
3502                }
3503            }
3504        } else if (!down && mRecentAppsHeldModifiers != 0
3505                && (metaState & mRecentAppsHeldModifiers) == 0) {
3506            mRecentAppsHeldModifiers = 0;
3507            hideRecentApps(true, false);
3508        }
3509
3510        // Handle input method switching.
3511        if (down && repeatCount == 0
3512                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3513                        || (keyCode == KeyEvent.KEYCODE_SPACE
3514                                && (metaState & KeyEvent.META_META_MASK) != 0))) {
3515            final boolean forwardDirection = (metaState & KeyEvent.META_SHIFT_MASK) == 0;
3516            mWindowManagerFuncs.switchInputMethod(forwardDirection);
3517            return -1;
3518        }
3519        if (mLanguageSwitchKeyPressed && !down
3520                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3521                        || keyCode == KeyEvent.KEYCODE_SPACE)) {
3522            mLanguageSwitchKeyPressed = false;
3523            return -1;
3524        }
3525
3526        if (isValidGlobalKey(keyCode)
3527                && mGlobalKeyManager.handleGlobalKey(mContext, keyCode, event)) {
3528            return -1;
3529        }
3530
3531        if (down) {
3532            long shortcutCode = keyCode;
3533            if (event.isCtrlPressed()) {
3534                shortcutCode |= ((long) KeyEvent.META_CTRL_ON) << Integer.SIZE;
3535            }
3536
3537            if (event.isAltPressed()) {
3538                shortcutCode |= ((long) KeyEvent.META_ALT_ON) << Integer.SIZE;
3539            }
3540
3541            if (event.isShiftPressed()) {
3542                shortcutCode |= ((long) KeyEvent.META_SHIFT_ON) << Integer.SIZE;
3543            }
3544
3545            if (event.isMetaPressed()) {
3546                shortcutCode |= ((long) KeyEvent.META_META_ON) << Integer.SIZE;
3547            }
3548
3549            IShortcutService shortcutService = mShortcutKeyServices.get(shortcutCode);
3550            if (shortcutService != null) {
3551                try {
3552                    if (isUserSetupComplete()) {
3553                        shortcutService.notifyShortcutKeyPressed(shortcutCode);
3554                    }
3555                } catch (RemoteException e) {
3556                    mShortcutKeyServices.delete(shortcutCode);
3557                }
3558                return -1;
3559            }
3560        }
3561
3562        // Reserve all the META modifier combos for system behavior
3563        if ((metaState & KeyEvent.META_META_ON) != 0) {
3564            return -1;
3565        }
3566
3567        // Let the application handle the key.
3568        return 0;
3569    }
3570
3571    /** {@inheritDoc} */
3572    @Override
3573    public KeyEvent dispatchUnhandledKey(WindowState win, KeyEvent event, int policyFlags) {
3574        // Note: This method is only called if the initial down was unhandled.
3575        if (DEBUG_INPUT) {
3576            Slog.d(TAG, "Unhandled key: win=" + win + ", action=" + event.getAction()
3577                    + ", flags=" + event.getFlags()
3578                    + ", keyCode=" + event.getKeyCode()
3579                    + ", scanCode=" + event.getScanCode()
3580                    + ", metaState=" + event.getMetaState()
3581                    + ", repeatCount=" + event.getRepeatCount()
3582                    + ", policyFlags=" + policyFlags);
3583        }
3584
3585        KeyEvent fallbackEvent = null;
3586        if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
3587            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3588            final int keyCode = event.getKeyCode();
3589            final int metaState = event.getMetaState();
3590            final boolean initialDown = event.getAction() == KeyEvent.ACTION_DOWN
3591                    && event.getRepeatCount() == 0;
3592
3593            // Check for fallback actions specified by the key character map.
3594            final FallbackAction fallbackAction;
3595            if (initialDown) {
3596                fallbackAction = kcm.getFallbackAction(keyCode, metaState);
3597            } else {
3598                fallbackAction = mFallbackActions.get(keyCode);
3599            }
3600
3601            if (fallbackAction != null) {
3602                if (DEBUG_INPUT) {
3603                    Slog.d(TAG, "Fallback: keyCode=" + fallbackAction.keyCode
3604                            + " metaState=" + Integer.toHexString(fallbackAction.metaState));
3605                }
3606
3607                final int flags = event.getFlags() | KeyEvent.FLAG_FALLBACK;
3608                fallbackEvent = KeyEvent.obtain(
3609                        event.getDownTime(), event.getEventTime(),
3610                        event.getAction(), fallbackAction.keyCode,
3611                        event.getRepeatCount(), fallbackAction.metaState,
3612                        event.getDeviceId(), event.getScanCode(),
3613                        flags, event.getSource(), null);
3614
3615                if (!interceptFallback(win, fallbackEvent, policyFlags)) {
3616                    fallbackEvent.recycle();
3617                    fallbackEvent = null;
3618                }
3619
3620                if (initialDown) {
3621                    mFallbackActions.put(keyCode, fallbackAction);
3622                } else if (event.getAction() == KeyEvent.ACTION_UP) {
3623                    mFallbackActions.remove(keyCode);
3624                    fallbackAction.recycle();
3625                }
3626            }
3627        }
3628
3629        if (DEBUG_INPUT) {
3630            if (fallbackEvent == null) {
3631                Slog.d(TAG, "No fallback.");
3632            } else {
3633                Slog.d(TAG, "Performing fallback: " + fallbackEvent);
3634            }
3635        }
3636        return fallbackEvent;
3637    }
3638
3639    private boolean interceptFallback(WindowState win, KeyEvent fallbackEvent, int policyFlags) {
3640        int actions = interceptKeyBeforeQueueing(fallbackEvent, policyFlags);
3641        if ((actions & ACTION_PASS_TO_USER) != 0) {
3642            long delayMillis = interceptKeyBeforeDispatching(
3643                    win, fallbackEvent, policyFlags);
3644            if (delayMillis == 0) {
3645                return true;
3646            }
3647        }
3648        return false;
3649    }
3650
3651    @Override
3652    public void registerShortcutKey(long shortcutCode, IShortcutService shortcutService)
3653            throws RemoteException {
3654        synchronized (mLock) {
3655            IShortcutService service = mShortcutKeyServices.get(shortcutCode);
3656            if (service != null && service.asBinder().pingBinder()) {
3657                throw new RemoteException("Key already exists.");
3658            }
3659
3660            mShortcutKeyServices.put(shortcutCode, shortcutService);
3661        }
3662    }
3663
3664    @Override
3665    public boolean canShowDismissingWindowWhileLockedLw() {
3666        // If the keyguard is trusted, it will unlock without a challange. Therefore, windows with
3667        // FLAG_DISMISS_KEYGUARD don't need to be force hidden, as they will unlock the phone right
3668        // away anyways.
3669        return mKeyguardDelegate != null && mKeyguardDelegate.isTrusted();
3670    }
3671
3672    private void launchAssistLongPressAction() {
3673        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
3674        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3675
3676        // launch the search activity
3677        Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
3678        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3679        try {
3680            // TODO: This only stops the factory-installed search manager.
3681            // Need to formalize an API to handle others
3682            SearchManager searchManager = getSearchManager();
3683            if (searchManager != null) {
3684                searchManager.stopSearch();
3685            }
3686            startActivityAsUser(intent, UserHandle.CURRENT);
3687        } catch (ActivityNotFoundException e) {
3688            Slog.w(TAG, "No activity to handle assist long press action.", e);
3689        }
3690    }
3691
3692    private void launchAssistAction(String hint, int deviceId) {
3693        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3694        if (!isUserSetupComplete()) {
3695            // Disable opening assist window during setup
3696            return;
3697        }
3698        Bundle args = null;
3699        if (deviceId > Integer.MIN_VALUE) {
3700            args = new Bundle();
3701            args.putInt(Intent.EXTRA_ASSIST_INPUT_DEVICE_ID, deviceId);
3702        }
3703        if ((mContext.getResources().getConfiguration().uiMode
3704                & Configuration.UI_MODE_TYPE_MASK) == Configuration.UI_MODE_TYPE_TELEVISION) {
3705            // On TV, use legacy handling until assistants are implemented in the proper way.
3706            ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
3707                    .launchLegacyAssist(hint, UserHandle.myUserId(), args);
3708        } else {
3709            if (hint != null) {
3710                if (args == null) {
3711                    args = new Bundle();
3712                }
3713                args.putBoolean(hint, true);
3714            }
3715            StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3716            if (statusbar != null) {
3717                statusbar.startAssist(args);
3718            }
3719        }
3720    }
3721
3722    private void startActivityAsUser(Intent intent, UserHandle handle) {
3723        if (isUserSetupComplete()) {
3724            mContext.startActivityAsUser(intent, handle);
3725        } else {
3726            Slog.i(TAG, "Not starting activity because user setup is in progress: " + intent);
3727        }
3728    }
3729
3730    private SearchManager getSearchManager() {
3731        if (mSearchManager == null) {
3732            mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
3733        }
3734        return mSearchManager;
3735    }
3736
3737    private void preloadRecentApps() {
3738        mPreloadedRecentApps = true;
3739        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3740        if (statusbar != null) {
3741            statusbar.preloadRecentApps();
3742        }
3743    }
3744
3745    private void cancelPreloadRecentApps() {
3746        if (mPreloadedRecentApps) {
3747            mPreloadedRecentApps = false;
3748            StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3749            if (statusbar != null) {
3750                statusbar.cancelPreloadRecentApps();
3751            }
3752        }
3753    }
3754
3755    private void toggleRecentApps() {
3756        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3757        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3758        if (statusbar != null) {
3759            statusbar.toggleRecentApps();
3760        }
3761    }
3762
3763    @Override
3764    public void showRecentApps(boolean fromHome) {
3765        mHandler.removeMessages(MSG_DISPATCH_SHOW_RECENTS);
3766        mHandler.obtainMessage(MSG_DISPATCH_SHOW_RECENTS, fromHome ? 1 : 0, 0).sendToTarget();
3767    }
3768
3769    private void showRecentApps(boolean triggeredFromAltTab, boolean fromHome) {
3770        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3771        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3772        if (statusbar != null) {
3773            statusbar.showRecentApps(triggeredFromAltTab, fromHome);
3774        }
3775    }
3776
3777    private void toggleKeyboardShortcutsMenu(int deviceId) {
3778        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3779        if (statusbar != null) {
3780            statusbar.toggleKeyboardShortcutsMenu(deviceId);
3781        }
3782    }
3783
3784    private void dismissKeyboardShortcutsMenu() {
3785        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3786        if (statusbar != null) {
3787            statusbar.dismissKeyboardShortcutsMenu();
3788        }
3789    }
3790
3791    private void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHome) {
3792        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3793        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3794        if (statusbar != null) {
3795            statusbar.hideRecentApps(triggeredFromAltTab, triggeredFromHome);
3796        }
3797    }
3798
3799    void launchHomeFromHotKey() {
3800        launchHomeFromHotKey(true /* awakenFromDreams */, true /*respectKeyguard*/);
3801    }
3802
3803    /**
3804     * A home key -> launch home action was detected.  Take the appropriate action
3805     * given the situation with the keyguard.
3806     */
3807    void launchHomeFromHotKey(final boolean awakenFromDreams, final boolean respectKeyguard) {
3808        if (respectKeyguard) {
3809            if (isKeyguardShowingAndNotOccluded()) {
3810                // don't launch home if keyguard showing
3811                return;
3812            }
3813
3814            if (!mHideLockScreen && mKeyguardDelegate.isInputRestricted()) {
3815                // when in keyguard restricted mode, must first verify unlock
3816                // before launching home
3817                mKeyguardDelegate.verifyUnlock(new OnKeyguardExitResult() {
3818                    @Override
3819                    public void onKeyguardExitResult(boolean success) {
3820                        if (success) {
3821                            try {
3822                                ActivityManagerNative.getDefault().stopAppSwitches();
3823                            } catch (RemoteException e) {
3824                            }
3825                            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3826                            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3827                        }
3828                    }
3829                });
3830                return;
3831            }
3832        }
3833
3834        // no keyguard stuff to worry about, just launch home!
3835        try {
3836            ActivityManagerNative.getDefault().stopAppSwitches();
3837        } catch (RemoteException e) {
3838        }
3839        if (mRecentsVisible) {
3840            // Hide Recents and notify it to launch Home
3841            if (awakenFromDreams) {
3842                awakenDreams();
3843            }
3844            hideRecentApps(false, true);
3845        } else {
3846            // Otherwise, just launch Home
3847            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3848            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3849        }
3850    }
3851
3852    private final Runnable mClearHideNavigationFlag = new Runnable() {
3853        @Override
3854        public void run() {
3855            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3856                // Clear flags.
3857                mForceClearedSystemUiFlags &=
3858                        ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3859            }
3860            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3861        }
3862    };
3863
3864    /**
3865     * Input handler used while nav bar is hidden.  Captures any touch on the screen,
3866     * to determine when the nav bar should be shown and prevent applications from
3867     * receiving those touches.
3868     */
3869    final class HideNavInputEventReceiver extends InputEventReceiver {
3870        public HideNavInputEventReceiver(InputChannel inputChannel, Looper looper) {
3871            super(inputChannel, looper);
3872        }
3873
3874        @Override
3875        public void onInputEvent(InputEvent event) {
3876            boolean handled = false;
3877            try {
3878                if (event instanceof MotionEvent
3879                        && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
3880                    final MotionEvent motionEvent = (MotionEvent)event;
3881                    if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
3882                        // When the user taps down, we re-show the nav bar.
3883                        boolean changed = false;
3884                        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3885                            if (mInputConsumer == null) {
3886                                return;
3887                            }
3888                            // Any user activity always causes us to show the
3889                            // navigation controls, if they had been hidden.
3890                            // We also clear the low profile and only content
3891                            // flags so that tapping on the screen will atomically
3892                            // restore all currently hidden screen decorations.
3893                            int newVal = mResettingSystemUiFlags |
3894                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
3895                                    View.SYSTEM_UI_FLAG_LOW_PROFILE |
3896                                    View.SYSTEM_UI_FLAG_FULLSCREEN;
3897                            if (mResettingSystemUiFlags != newVal) {
3898                                mResettingSystemUiFlags = newVal;
3899                                changed = true;
3900                            }
3901                            // We don't allow the system's nav bar to be hidden
3902                            // again for 1 second, to prevent applications from
3903                            // spamming us and keeping it from being shown.
3904                            newVal = mForceClearedSystemUiFlags |
3905                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3906                            if (mForceClearedSystemUiFlags != newVal) {
3907                                mForceClearedSystemUiFlags = newVal;
3908                                changed = true;
3909                                mHandler.postDelayed(mClearHideNavigationFlag, 1000);
3910                            }
3911                        }
3912                        if (changed) {
3913                            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3914                        }
3915                    }
3916                }
3917            } finally {
3918                finishInputEvent(event, handled);
3919            }
3920        }
3921    }
3922    final InputEventReceiver.Factory mHideNavInputEventReceiverFactory =
3923            new InputEventReceiver.Factory() {
3924        @Override
3925        public InputEventReceiver createInputEventReceiver(
3926                InputChannel inputChannel, Looper looper) {
3927            return new HideNavInputEventReceiver(inputChannel, looper);
3928        }
3929    };
3930
3931    @Override
3932    public int adjustSystemUiVisibilityLw(int visibility) {
3933        mStatusBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3934        mNavigationBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3935        mRecentsVisible = (visibility & View.RECENT_APPS_VISIBLE) > 0;
3936        mTvPictureInPictureVisible = (visibility & View.TV_PICTURE_IN_PICTURE_VISIBLE) > 0;
3937
3938        // Reset any bits in mForceClearingStatusBarVisibility that
3939        // are now clear.
3940        mResettingSystemUiFlags &= visibility;
3941        // Clear any bits in the new visibility that are currently being
3942        // force cleared, before reporting it.
3943        return visibility & ~mResettingSystemUiFlags
3944                & ~mForceClearedSystemUiFlags;
3945    }
3946
3947    @Override
3948    public boolean getInsetHintLw(WindowManager.LayoutParams attrs, Rect taskBounds,
3949            int displayRotation, int displayWidth, int displayHeight, Rect outContentInsets,
3950            Rect outStableInsets, Rect outOutsets) {
3951        final int fl = PolicyControl.getWindowFlags(null, attrs);
3952        final int sysuiVis = PolicyControl.getSystemUiVisibility(null, attrs);
3953        final int systemUiVisibility = (sysuiVis | attrs.subtreeSystemUiVisibility);
3954
3955        final boolean useOutsets = outOutsets != null && shouldUseOutsets(attrs, fl);
3956        if (useOutsets) {
3957            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
3958            if (outset > 0) {
3959                if (displayRotation == Surface.ROTATION_0) {
3960                    outOutsets.bottom += outset;
3961                } else if (displayRotation == Surface.ROTATION_90) {
3962                    outOutsets.right += outset;
3963                } else if (displayRotation == Surface.ROTATION_180) {
3964                    outOutsets.top += outset;
3965                } else if (displayRotation == Surface.ROTATION_270) {
3966                    outOutsets.left += outset;
3967                }
3968            }
3969        }
3970
3971        if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3972                == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3973            int availRight, availBottom;
3974            if (canHideNavigationBar() &&
3975                    (systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0) {
3976                availRight = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3977                availBottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3978            } else {
3979                availRight = mRestrictedScreenLeft + mRestrictedScreenWidth;
3980                availBottom = mRestrictedScreenTop + mRestrictedScreenHeight;
3981            }
3982            if ((systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3983                if ((fl & FLAG_FULLSCREEN) != 0) {
3984                    outContentInsets.set(mStableFullscreenLeft, mStableFullscreenTop,
3985                            availRight - mStableFullscreenRight,
3986                            availBottom - mStableFullscreenBottom);
3987                } else {
3988                    outContentInsets.set(mStableLeft, mStableTop,
3989                            availRight - mStableRight, availBottom - mStableBottom);
3990                }
3991            } else if ((fl & FLAG_FULLSCREEN) != 0 || (fl & FLAG_LAYOUT_IN_OVERSCAN) != 0) {
3992                outContentInsets.setEmpty();
3993            } else if ((systemUiVisibility & (View.SYSTEM_UI_FLAG_FULLSCREEN
3994                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)) == 0) {
3995                outContentInsets.set(mCurLeft, mCurTop,
3996                        availRight - mCurRight, availBottom - mCurBottom);
3997            } else {
3998                outContentInsets.set(mCurLeft, mCurTop,
3999                        availRight - mCurRight, availBottom - mCurBottom);
4000            }
4001
4002            outStableInsets.set(mStableLeft, mStableTop,
4003                    availRight - mStableRight, availBottom - mStableBottom);
4004            if (taskBounds != null) {
4005                calculateRelevantTaskInsets(taskBounds, outContentInsets,
4006                        displayWidth, displayHeight);
4007                calculateRelevantTaskInsets(taskBounds, outStableInsets,
4008                        displayWidth, displayHeight);
4009            }
4010            return mForceShowSystemBars;
4011        }
4012        outContentInsets.setEmpty();
4013        outStableInsets.setEmpty();
4014        return mForceShowSystemBars;
4015    }
4016
4017    /**
4018     * For any given task bounds, the insets relevant for these bounds given the insets relevant
4019     * for the entire display.
4020     */
4021    private void calculateRelevantTaskInsets(Rect taskBounds, Rect inOutInsets, int displayWidth,
4022            int displayHeight) {
4023        mTmpRect.set(0, 0, displayWidth, displayHeight);
4024        mTmpRect.inset(inOutInsets);
4025        mTmpRect.intersect(taskBounds);
4026        int leftInset = mTmpRect.left - taskBounds.left;
4027        int topInset = mTmpRect.top - taskBounds.top;
4028        int rightInset = taskBounds.right - mTmpRect.right;
4029        int bottomInset = taskBounds.bottom - mTmpRect.bottom;
4030        inOutInsets.set(leftInset, topInset, rightInset, bottomInset);
4031    }
4032
4033    private boolean shouldUseOutsets(WindowManager.LayoutParams attrs, int fl) {
4034        return attrs.type == TYPE_WALLPAPER || (fl & (WindowManager.LayoutParams.FLAG_FULLSCREEN
4035                | WindowManager.LayoutParams.FLAG_LAYOUT_IN_OVERSCAN)) != 0;
4036    }
4037
4038    /** {@inheritDoc} */
4039    @Override
4040    public void beginLayoutLw(boolean isDefaultDisplay, int displayWidth, int displayHeight,
4041                              int displayRotation, int uiMode) {
4042        mDisplayRotation = displayRotation;
4043        final int overscanLeft, overscanTop, overscanRight, overscanBottom;
4044        if (isDefaultDisplay) {
4045            switch (displayRotation) {
4046                case Surface.ROTATION_90:
4047                    overscanLeft = mOverscanTop;
4048                    overscanTop = mOverscanRight;
4049                    overscanRight = mOverscanBottom;
4050                    overscanBottom = mOverscanLeft;
4051                    break;
4052                case Surface.ROTATION_180:
4053                    overscanLeft = mOverscanRight;
4054                    overscanTop = mOverscanBottom;
4055                    overscanRight = mOverscanLeft;
4056                    overscanBottom = mOverscanTop;
4057                    break;
4058                case Surface.ROTATION_270:
4059                    overscanLeft = mOverscanBottom;
4060                    overscanTop = mOverscanLeft;
4061                    overscanRight = mOverscanTop;
4062                    overscanBottom = mOverscanRight;
4063                    break;
4064                default:
4065                    overscanLeft = mOverscanLeft;
4066                    overscanTop = mOverscanTop;
4067                    overscanRight = mOverscanRight;
4068                    overscanBottom = mOverscanBottom;
4069                    break;
4070            }
4071        } else {
4072            overscanLeft = 0;
4073            overscanTop = 0;
4074            overscanRight = 0;
4075            overscanBottom = 0;
4076        }
4077        mOverscanScreenLeft = mRestrictedOverscanScreenLeft = 0;
4078        mOverscanScreenTop = mRestrictedOverscanScreenTop = 0;
4079        mOverscanScreenWidth = mRestrictedOverscanScreenWidth = displayWidth;
4080        mOverscanScreenHeight = mRestrictedOverscanScreenHeight = displayHeight;
4081        mSystemLeft = 0;
4082        mSystemTop = 0;
4083        mSystemRight = displayWidth;
4084        mSystemBottom = displayHeight;
4085        mUnrestrictedScreenLeft = overscanLeft;
4086        mUnrestrictedScreenTop = overscanTop;
4087        mUnrestrictedScreenWidth = displayWidth - overscanLeft - overscanRight;
4088        mUnrestrictedScreenHeight = displayHeight - overscanTop - overscanBottom;
4089        mRestrictedScreenLeft = mUnrestrictedScreenLeft;
4090        mRestrictedScreenTop = mUnrestrictedScreenTop;
4091        mRestrictedScreenWidth = mSystemGestures.screenWidth = mUnrestrictedScreenWidth;
4092        mRestrictedScreenHeight = mSystemGestures.screenHeight = mUnrestrictedScreenHeight;
4093        mDockLeft = mContentLeft = mVoiceContentLeft = mStableLeft = mStableFullscreenLeft
4094                = mCurLeft = mUnrestrictedScreenLeft;
4095        mDockTop = mContentTop = mVoiceContentTop = mStableTop = mStableFullscreenTop
4096                = mCurTop = mUnrestrictedScreenTop;
4097        mDockRight = mContentRight = mVoiceContentRight = mStableRight = mStableFullscreenRight
4098                = mCurRight = displayWidth - overscanRight;
4099        mDockBottom = mContentBottom = mVoiceContentBottom = mStableBottom = mStableFullscreenBottom
4100                = mCurBottom = displayHeight - overscanBottom;
4101        mDockLayer = 0x10000000;
4102        mStatusBarLayer = -1;
4103
4104        // start with the current dock rect, which will be (0,0,displayWidth,displayHeight)
4105        final Rect pf = mTmpParentFrame;
4106        final Rect df = mTmpDisplayFrame;
4107        final Rect of = mTmpOverscanFrame;
4108        final Rect vf = mTmpVisibleFrame;
4109        final Rect dcf = mTmpDecorFrame;
4110        pf.left = df.left = of.left = vf.left = mDockLeft;
4111        pf.top = df.top = of.top = vf.top = mDockTop;
4112        pf.right = df.right = of.right = vf.right = mDockRight;
4113        pf.bottom = df.bottom = of.bottom = vf.bottom = mDockBottom;
4114        dcf.setEmpty();  // Decor frame N/A for system bars.
4115
4116        if (isDefaultDisplay) {
4117            // For purposes of putting out fake window up to steal focus, we will
4118            // drive nav being hidden only by whether it is requested.
4119            final int sysui = mLastSystemUiFlags;
4120            boolean navVisible = (sysui & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0;
4121            boolean navTranslucent = (sysui
4122                    & (View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT)) != 0;
4123            boolean immersive = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
4124            boolean immersiveSticky = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
4125            boolean navAllowedHidden = immersive || immersiveSticky;
4126            navTranslucent &= !immersiveSticky;  // transient trumps translucent
4127            boolean isKeyguardShowing = isStatusBarKeyguard() && !mHideLockScreen;
4128            if (!isKeyguardShowing) {
4129                navTranslucent &= areTranslucentBarsAllowed();
4130            }
4131            boolean statusBarExpandedNotKeyguard = !isKeyguardShowing && mStatusBar != null
4132                    && mStatusBar.getAttrs().height == MATCH_PARENT
4133                    && mStatusBar.getAttrs().width == MATCH_PARENT;
4134
4135            // When the navigation bar isn't visible, we put up a fake
4136            // input window to catch all touch events.  This way we can
4137            // detect when the user presses anywhere to bring back the nav
4138            // bar and ensure the application doesn't see the event.
4139            if (navVisible || navAllowedHidden) {
4140                if (mInputConsumer != null) {
4141                    mHandler.sendMessage(
4142                            mHandler.obtainMessage(MSG_DISPOSE_INPUT_CONSUMER, mInputConsumer));
4143                    mInputConsumer = null;
4144                }
4145            } else if (mInputConsumer == null) {
4146                mInputConsumer = mWindowManagerFuncs.addInputConsumer(mHandler.getLooper(),
4147                        mHideNavInputEventReceiverFactory);
4148            }
4149
4150            // For purposes of positioning and showing the nav bar, if we have
4151            // decided that it can't be hidden (because of the screen aspect ratio),
4152            // then take that into account.
4153            navVisible |= !canHideNavigationBar();
4154
4155            boolean updateSysUiVisibility = layoutNavigationBar(displayWidth, displayHeight,
4156                    displayRotation, uiMode, overscanLeft, overscanRight, overscanBottom, dcf, navVisible, navTranslucent,
4157                    navAllowedHidden, statusBarExpandedNotKeyguard);
4158            if (DEBUG_LAYOUT) Slog.i(TAG, String.format("mDock rect: (%d,%d - %d,%d)",
4159                    mDockLeft, mDockTop, mDockRight, mDockBottom));
4160            updateSysUiVisibility |= layoutStatusBar(pf, df, of, vf, dcf, sysui, isKeyguardShowing);
4161            if (updateSysUiVisibility) {
4162                updateSystemUiVisibilityLw();
4163            }
4164        }
4165    }
4166
4167    private boolean layoutStatusBar(Rect pf, Rect df, Rect of, Rect vf, Rect dcf, int sysui,
4168            boolean isKeyguardShowing) {
4169        // decide where the status bar goes ahead of time
4170        if (mStatusBar != null) {
4171            // apply any navigation bar insets
4172            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4173            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4174            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
4175            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight
4176                    + mUnrestrictedScreenTop;
4177            vf.left = mStableLeft;
4178            vf.top = mStableTop;
4179            vf.right = mStableRight;
4180            vf.bottom = mStableBottom;
4181
4182            mStatusBarLayer = mStatusBar.getSurfaceLayer();
4183
4184            // Let the status bar determine its size.
4185            mStatusBar.computeFrameLw(pf /* parentFrame */, df /* displayFrame */,
4186                    vf /* overlayFrame */, vf /* contentFrame */, vf /* visibleFrame */,
4187                    dcf /* decorFrame */, vf /* stableFrame */, vf /* outsetFrame */);
4188
4189            // For layout, the status bar is always at the top with our fixed height.
4190            mStableTop = mUnrestrictedScreenTop + mStatusBarHeight;
4191
4192            boolean statusBarTransient = (sysui & View.STATUS_BAR_TRANSIENT) != 0;
4193            boolean statusBarTranslucent = (sysui
4194                    & (View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT)) != 0;
4195            if (!isKeyguardShowing) {
4196                statusBarTranslucent &= areTranslucentBarsAllowed();
4197            }
4198
4199            // If the status bar is hidden, we don't want to cause
4200            // windows behind it to scroll.
4201            if (mStatusBar.isVisibleLw() && !statusBarTransient) {
4202                // Status bar may go away, so the screen area it occupies
4203                // is available to apps but just covering them when the
4204                // status bar is visible.
4205                mDockTop = mUnrestrictedScreenTop + mStatusBarHeight;
4206
4207                mContentTop = mVoiceContentTop = mCurTop = mDockTop;
4208                mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
4209                mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
4210                mContentRight = mVoiceContentRight = mCurRight = mDockRight;
4211
4212                if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar: " +
4213                        String.format(
4214                                "dock=[%d,%d][%d,%d] content=[%d,%d][%d,%d] cur=[%d,%d][%d,%d]",
4215                                mDockLeft, mDockTop, mDockRight, mDockBottom,
4216                                mContentLeft, mContentTop, mContentRight, mContentBottom,
4217                                mCurLeft, mCurTop, mCurRight, mCurBottom));
4218            }
4219            if (mStatusBar.isVisibleLw() && !mStatusBar.isAnimatingLw()
4220                    && !statusBarTransient && !statusBarTranslucent
4221                    && !mStatusBarController.wasRecentlyTranslucent()) {
4222                // If the opaque status bar is currently requested to be visible,
4223                // and not in the process of animating on or off, then
4224                // we can tell the app that it is covered by it.
4225                mSystemTop = mUnrestrictedScreenTop + mStatusBarHeight;
4226            }
4227            if (mStatusBarController.checkHiddenLw()) {
4228                return true;
4229            }
4230        }
4231        return false;
4232    }
4233
4234    private boolean layoutNavigationBar(int displayWidth, int displayHeight, int displayRotation,
4235            int uiMode, int overscanLeft, int overscanRight, int overscanBottom, Rect dcf,
4236            boolean navVisible, boolean navTranslucent, boolean navAllowedHidden,
4237            boolean statusBarExpandedNotKeyguard) {
4238        if (mNavigationBar != null) {
4239            boolean transientNavBarShowing = mNavigationBarController.isTransientShowing();
4240            // Force the navigation bar to its appropriate place and
4241            // size.  We need to do this directly, instead of relying on
4242            // it to bubble up from the nav bar, because this needs to
4243            // change atomically with screen rotations.
4244            mNavigationBarPosition = navigationBarPosition(displayWidth, displayHeight,
4245                    displayRotation);
4246            if (mNavigationBarPosition == NAV_BAR_BOTTOM) {
4247                // It's a system nav bar or a portrait screen; nav bar goes on bottom.
4248                int top = displayHeight - overscanBottom
4249                        - getNavigationBarHeight(displayRotation, uiMode);
4250                mTmpNavigationFrame.set(0, top, displayWidth, displayHeight - overscanBottom);
4251                mStableBottom = mStableFullscreenBottom = mTmpNavigationFrame.top;
4252                if (transientNavBarShowing) {
4253                    mNavigationBarController.setBarShowingLw(true);
4254                } else if (navVisible) {
4255                    mNavigationBarController.setBarShowingLw(true);
4256                    mDockBottom = mTmpNavigationFrame.top;
4257                    mRestrictedScreenHeight = mDockBottom - mRestrictedScreenTop;
4258                    mRestrictedOverscanScreenHeight = mDockBottom - mRestrictedOverscanScreenTop;
4259                } else {
4260                    // We currently want to hide the navigation UI - unless we expanded the status
4261                    // bar.
4262                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4263                }
4264                if (navVisible && !navTranslucent && !navAllowedHidden
4265                        && !mNavigationBar.isAnimatingLw()
4266                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4267                    // If the opaque nav bar is currently requested to be visible,
4268                    // and not in the process of animating on or off, then
4269                    // we can tell the app that it is covered by it.
4270                    mSystemBottom = mTmpNavigationFrame.top;
4271                }
4272            } else if (mNavigationBarPosition == NAV_BAR_RIGHT) {
4273                // Landscape screen; nav bar goes to the right.
4274                int left = displayWidth - overscanRight
4275                        - getNavigationBarWidth(displayRotation, uiMode);
4276                mTmpNavigationFrame.set(left, 0, displayWidth - overscanRight, displayHeight);
4277                mStableRight = mStableFullscreenRight = mTmpNavigationFrame.left;
4278                if (transientNavBarShowing) {
4279                    mNavigationBarController.setBarShowingLw(true);
4280                } else if (navVisible) {
4281                    mNavigationBarController.setBarShowingLw(true);
4282                    mDockRight = mTmpNavigationFrame.left;
4283                    mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
4284                    mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
4285                } else {
4286                    // We currently want to hide the navigation UI - unless we expanded the status
4287                    // bar.
4288                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4289                }
4290                if (navVisible && !navTranslucent && !navAllowedHidden
4291                        && !mNavigationBar.isAnimatingLw()
4292                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4293                    // If the nav bar is currently requested to be visible,
4294                    // and not in the process of animating on or off, then
4295                    // we can tell the app that it is covered by it.
4296                    mSystemRight = mTmpNavigationFrame.left;
4297                }
4298            } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
4299                // Seascape screen; nav bar goes to the left.
4300                int right = overscanLeft + getNavigationBarWidth(displayRotation, uiMode);
4301                mTmpNavigationFrame.set(overscanLeft, 0, right, displayHeight);
4302                mStableLeft = mStableFullscreenLeft = mTmpNavigationFrame.right;
4303                if (transientNavBarShowing) {
4304                    mNavigationBarController.setBarShowingLw(true);
4305                } else if (navVisible) {
4306                    mNavigationBarController.setBarShowingLw(true);
4307                    mDockLeft = mTmpNavigationFrame.right;
4308                    // TODO: not so sure about those:
4309                    mRestrictedScreenLeft = mRestrictedOverscanScreenLeft = mDockLeft;
4310                    mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
4311                    mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
4312                } else {
4313                    // We currently want to hide the navigation UI - unless we expanded the status
4314                    // bar.
4315                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4316                }
4317                if (navVisible && !navTranslucent && !navAllowedHidden
4318                        && !mNavigationBar.isAnimatingLw()
4319                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4320                    // If the nav bar is currently requested to be visible,
4321                    // and not in the process of animating on or off, then
4322                    // we can tell the app that it is covered by it.
4323                    mSystemLeft = mTmpNavigationFrame.right;
4324                }
4325            }
4326            // Make sure the content and current rectangles are updated to
4327            // account for the restrictions from the navigation bar.
4328            mContentTop = mVoiceContentTop = mCurTop = mDockTop;
4329            mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
4330            mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
4331            mContentRight = mVoiceContentRight = mCurRight = mDockRight;
4332            mStatusBarLayer = mNavigationBar.getSurfaceLayer();
4333            // And compute the final frame.
4334            mNavigationBar.computeFrameLw(mTmpNavigationFrame, mTmpNavigationFrame,
4335                    mTmpNavigationFrame, mTmpNavigationFrame, mTmpNavigationFrame, dcf,
4336                    mTmpNavigationFrame, mTmpNavigationFrame);
4337            if (DEBUG_LAYOUT) Slog.i(TAG, "mNavigationBar frame: " + mTmpNavigationFrame);
4338            if (mNavigationBarController.checkHiddenLw()) {
4339                return true;
4340            }
4341        }
4342        return false;
4343    }
4344
4345    private int navigationBarPosition(int displayWidth, int displayHeight, int displayRotation) {
4346        if (mNavigationBarCanMove && displayWidth > displayHeight) {
4347            if (displayRotation == Surface.ROTATION_270) {
4348                return NAV_BAR_LEFT;
4349            } else {
4350                return NAV_BAR_RIGHT;
4351            }
4352        }
4353        return NAV_BAR_BOTTOM;
4354    }
4355
4356    /** {@inheritDoc} */
4357    @Override
4358    public int getSystemDecorLayerLw() {
4359        if (mStatusBar != null && mStatusBar.isVisibleLw()) {
4360            return mStatusBar.getSurfaceLayer();
4361        }
4362
4363        if (mNavigationBar != null && mNavigationBar.isVisibleLw()) {
4364            return mNavigationBar.getSurfaceLayer();
4365        }
4366
4367        return 0;
4368    }
4369
4370    @Override
4371    public void getContentRectLw(Rect r) {
4372        r.set(mContentLeft, mContentTop, mContentRight, mContentBottom);
4373    }
4374
4375    void setAttachedWindowFrames(WindowState win, int fl, int adjust, WindowState attached,
4376            boolean insetDecors, Rect pf, Rect df, Rect of, Rect cf, Rect vf) {
4377        if (win.getSurfaceLayer() > mDockLayer && attached.getSurfaceLayer() < mDockLayer) {
4378            // Here's a special case: if this attached window is a panel that is
4379            // above the dock window, and the window it is attached to is below
4380            // the dock window, then the frames we computed for the window it is
4381            // attached to can not be used because the dock is effectively part
4382            // of the underlying window and the attached window is floating on top
4383            // of the whole thing.  So, we ignore the attached window and explicitly
4384            // compute the frames that would be appropriate without the dock.
4385            df.left = of.left = cf.left = vf.left = mDockLeft;
4386            df.top = of.top = cf.top = vf.top = mDockTop;
4387            df.right = of.right = cf.right = vf.right = mDockRight;
4388            df.bottom = of.bottom = cf.bottom = vf.bottom = mDockBottom;
4389        } else {
4390            // The effective display frame of the attached window depends on
4391            // whether it is taking care of insetting its content.  If not,
4392            // we need to use the parent's content frame so that the entire
4393            // window is positioned within that content.  Otherwise we can use
4394            // the overscan frame and let the attached window take care of
4395            // positioning its content appropriately.
4396            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4397                // Set the content frame of the attached window to the parent's decor frame
4398                // (same as content frame when IME isn't present) if specifically requested by
4399                // setting {@link WindowManager.LayoutParams#FLAG_LAYOUT_ATTACHED_IN_DECOR} flag.
4400                // Otherwise, use the overscan frame.
4401                cf.set((fl & FLAG_LAYOUT_ATTACHED_IN_DECOR) != 0
4402                        ? attached.getContentFrameLw() : attached.getOverscanFrameLw());
4403            } else {
4404                // If the window is resizing, then we want to base the content
4405                // frame on our attached content frame to resize...  however,
4406                // things can be tricky if the attached window is NOT in resize
4407                // mode, in which case its content frame will be larger.
4408                // Ungh.  So to deal with that, make sure the content frame
4409                // we end up using is not covering the IM dock.
4410                cf.set(attached.getContentFrameLw());
4411                if (attached.isVoiceInteraction()) {
4412                    if (cf.left < mVoiceContentLeft) cf.left = mVoiceContentLeft;
4413                    if (cf.top < mVoiceContentTop) cf.top = mVoiceContentTop;
4414                    if (cf.right > mVoiceContentRight) cf.right = mVoiceContentRight;
4415                    if (cf.bottom > mVoiceContentBottom) cf.bottom = mVoiceContentBottom;
4416                } else if (attached.getSurfaceLayer() < mDockLayer) {
4417                    if (cf.left < mContentLeft) cf.left = mContentLeft;
4418                    if (cf.top < mContentTop) cf.top = mContentTop;
4419                    if (cf.right > mContentRight) cf.right = mContentRight;
4420                    if (cf.bottom > mContentBottom) cf.bottom = mContentBottom;
4421                }
4422            }
4423            df.set(insetDecors ? attached.getDisplayFrameLw() : cf);
4424            of.set(insetDecors ? attached.getOverscanFrameLw() : cf);
4425            vf.set(attached.getVisibleFrameLw());
4426        }
4427        // The LAYOUT_IN_SCREEN flag is used to determine whether the attached
4428        // window should be positioned relative to its parent or the entire
4429        // screen.
4430        pf.set((fl & FLAG_LAYOUT_IN_SCREEN) == 0
4431                ? attached.getFrameLw() : df);
4432    }
4433
4434    private void applyStableConstraints(int sysui, int fl, Rect r) {
4435        if ((sysui & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
4436            // If app is requesting a stable layout, don't let the
4437            // content insets go below the stable values.
4438            if ((fl & FLAG_FULLSCREEN) != 0) {
4439                if (r.left < mStableFullscreenLeft) r.left = mStableFullscreenLeft;
4440                if (r.top < mStableFullscreenTop) r.top = mStableFullscreenTop;
4441                if (r.right > mStableFullscreenRight) r.right = mStableFullscreenRight;
4442                if (r.bottom > mStableFullscreenBottom) r.bottom = mStableFullscreenBottom;
4443            } else {
4444                if (r.left < mStableLeft) r.left = mStableLeft;
4445                if (r.top < mStableTop) r.top = mStableTop;
4446                if (r.right > mStableRight) r.right = mStableRight;
4447                if (r.bottom > mStableBottom) r.bottom = mStableBottom;
4448            }
4449        }
4450    }
4451
4452    private boolean canReceiveInput(WindowState win) {
4453        boolean notFocusable =
4454                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) != 0;
4455        boolean altFocusableIm =
4456                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM) != 0;
4457        boolean notFocusableForIm = notFocusable ^ altFocusableIm;
4458        return !notFocusableForIm;
4459    }
4460
4461    /** {@inheritDoc} */
4462    @Override
4463    public void layoutWindowLw(WindowState win, WindowState attached) {
4464        // We've already done the navigation bar and status bar. If the status bar can receive
4465        // input, we need to layout it again to accomodate for the IME window.
4466        if ((win == mStatusBar && !canReceiveInput(win)) || win == mNavigationBar) {
4467            return;
4468        }
4469        final WindowManager.LayoutParams attrs = win.getAttrs();
4470        final boolean isDefaultDisplay = win.isDefaultDisplay();
4471        final boolean needsToOffsetInputMethodTarget = isDefaultDisplay &&
4472                (win == mLastInputMethodTargetWindow && mLastInputMethodWindow != null);
4473        if (needsToOffsetInputMethodTarget) {
4474            if (DEBUG_LAYOUT) Slog.i(TAG, "Offset ime target window by the last ime window state");
4475            offsetInputMethodWindowLw(mLastInputMethodWindow);
4476        }
4477
4478        final int fl = PolicyControl.getWindowFlags(win, attrs);
4479        final int pfl = attrs.privateFlags;
4480        final int sim = attrs.softInputMode;
4481        final int sysUiFl = PolicyControl.getSystemUiVisibility(win, null);
4482
4483        final Rect pf = mTmpParentFrame;
4484        final Rect df = mTmpDisplayFrame;
4485        final Rect of = mTmpOverscanFrame;
4486        final Rect cf = mTmpContentFrame;
4487        final Rect vf = mTmpVisibleFrame;
4488        final Rect dcf = mTmpDecorFrame;
4489        final Rect sf = mTmpStableFrame;
4490        Rect osf = null;
4491        dcf.setEmpty();
4492
4493        final boolean hasNavBar = (isDefaultDisplay && mHasNavigationBar
4494                && mNavigationBar != null && mNavigationBar.isVisibleLw());
4495
4496        final int adjust = sim & SOFT_INPUT_MASK_ADJUST;
4497
4498        if (isDefaultDisplay) {
4499            sf.set(mStableLeft, mStableTop, mStableRight, mStableBottom);
4500        } else {
4501            sf.set(mOverscanLeft, mOverscanTop, mOverscanRight, mOverscanBottom);
4502        }
4503
4504        if (!isDefaultDisplay) {
4505            if (attached != null) {
4506                // If this window is attached to another, our display
4507                // frame is the same as the one we are attached to.
4508                setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4509            } else {
4510                // Give the window full screen.
4511                pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4512                pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4513                pf.right = df.right = of.right = cf.right
4514                        = mOverscanScreenLeft + mOverscanScreenWidth;
4515                pf.bottom = df.bottom = of.bottom = cf.bottom
4516                        = mOverscanScreenTop + mOverscanScreenHeight;
4517            }
4518        } else if (attrs.type == TYPE_INPUT_METHOD) {
4519            pf.left = df.left = of.left = cf.left = vf.left = mDockLeft;
4520            pf.top = df.top = of.top = cf.top = vf.top = mDockTop;
4521            pf.right = df.right = of.right = cf.right = vf.right = mDockRight;
4522            // IM dock windows layout below the nav bar...
4523            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4524            // ...with content insets above the nav bar
4525            cf.bottom = vf.bottom = mStableBottom;
4526            if (mStatusBar != null && mFocusedWindow == mStatusBar && canReceiveInput(mStatusBar)) {
4527                // The status bar forces the navigation bar while it's visible. Make sure the IME
4528                // avoids the navigation bar in that case.
4529                if (mNavigationBarPosition == NAV_BAR_RIGHT) {
4530                    pf.right = df.right = of.right = cf.right = vf.right = mStableRight;
4531                } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
4532                    pf.left = df.left = of.left = cf.left = vf.left = mStableLeft;
4533                }
4534            }
4535            // IM dock windows always go to the bottom of the screen.
4536            attrs.gravity = Gravity.BOTTOM;
4537            mDockLayer = win.getSurfaceLayer();
4538        } else if (attrs.type == TYPE_VOICE_INTERACTION) {
4539            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4540            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4541            pf.right = df.right = of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4542            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4543            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4544                cf.left = mDockLeft;
4545                cf.top = mDockTop;
4546                cf.right = mDockRight;
4547                cf.bottom = mDockBottom;
4548            } else {
4549                cf.left = mContentLeft;
4550                cf.top = mContentTop;
4551                cf.right = mContentRight;
4552                cf.bottom = mContentBottom;
4553            }
4554            if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4555                vf.left = mCurLeft;
4556                vf.top = mCurTop;
4557                vf.right = mCurRight;
4558                vf.bottom = mCurBottom;
4559            } else {
4560                vf.set(cf);
4561            }
4562        } else if (attrs.type == TYPE_WALLPAPER) {
4563           layoutWallpaper(win, pf, df, of, cf);
4564        } else if (win == mStatusBar) {
4565            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4566            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4567            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
4568            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight + mUnrestrictedScreenTop;
4569            cf.left = vf.left = mStableLeft;
4570            cf.top = vf.top = mStableTop;
4571            cf.right = vf.right = mStableRight;
4572            vf.bottom = mStableBottom;
4573
4574            if (adjust == SOFT_INPUT_ADJUST_RESIZE) {
4575                cf.bottom = mContentBottom;
4576            } else {
4577                cf.bottom = mDockBottom;
4578                vf.bottom = mContentBottom;
4579            }
4580        } else {
4581
4582            // Default policy decor for the default display
4583            dcf.left = mSystemLeft;
4584            dcf.top = mSystemTop;
4585            dcf.right = mSystemRight;
4586            dcf.bottom = mSystemBottom;
4587            final boolean inheritTranslucentDecor = (attrs.privateFlags
4588                    & WindowManager.LayoutParams.PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR) != 0;
4589            final boolean isAppWindow =
4590                    attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW &&
4591                    attrs.type <= WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
4592            final boolean topAtRest =
4593                    win == mTopFullscreenOpaqueWindowState && !win.isAnimatingLw();
4594            if (isAppWindow && !inheritTranslucentDecor && !topAtRest) {
4595                if ((sysUiFl & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0
4596                        && (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) == 0
4597                        && (fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) == 0
4598                        && (fl & WindowManager.LayoutParams.
4599                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0
4600                        && (pfl & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND) == 0) {
4601                    // Ensure policy decor includes status bar
4602                    dcf.top = mStableTop;
4603                }
4604                if ((fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) == 0
4605                        && (sysUiFl & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0
4606                        && (fl & WindowManager.LayoutParams.
4607                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
4608                    // Ensure policy decor includes navigation bar
4609                    dcf.bottom = mStableBottom;
4610                    dcf.right = mStableRight;
4611                }
4612            }
4613
4614            if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
4615                    == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
4616                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle()
4617                            + "): IN_SCREEN, INSET_DECOR");
4618                // This is the case for a normal activity window: we want it
4619                // to cover all of the screen space, and it can take care of
4620                // moving its contents to account for screen decorations that
4621                // intrude into that space.
4622                if (attached != null) {
4623                    // If this window is attached to another, our display
4624                    // frame is the same as the one we are attached to.
4625                    setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4626                } else {
4627                    if (attrs.type == TYPE_STATUS_BAR_PANEL
4628                            || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
4629                        // Status bar panels are the only windows who can go on top of
4630                        // the status bar.  They are protected by the STATUS_BAR_SERVICE
4631                        // permission, so they have the same privileges as the status
4632                        // bar itself.
4633                        //
4634                        // However, they should still dodge the navigation bar if it exists.
4635
4636                        pf.left = df.left = of.left = hasNavBar
4637                                ? mDockLeft : mUnrestrictedScreenLeft;
4638                        pf.top = df.top = of.top = mUnrestrictedScreenTop;
4639                        pf.right = df.right = of.right = hasNavBar
4640                                ? mRestrictedScreenLeft+mRestrictedScreenWidth
4641                                : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4642                        pf.bottom = df.bottom = of.bottom = hasNavBar
4643                                ? mRestrictedScreenTop+mRestrictedScreenHeight
4644                                : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4645
4646                        if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4647                                        "Laying out status bar window: (%d,%d - %d,%d)",
4648                                        pf.left, pf.top, pf.right, pf.bottom));
4649                    } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4650                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4651                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4652                        // Asking to layout into the overscan region, so give it that pure
4653                        // unrestricted area.
4654                        pf.left = df.left = of.left = mOverscanScreenLeft;
4655                        pf.top = df.top = of.top = mOverscanScreenTop;
4656                        pf.right = df.right = of.right = mOverscanScreenLeft + mOverscanScreenWidth;
4657                        pf.bottom = df.bottom = of.bottom = mOverscanScreenTop
4658                                + mOverscanScreenHeight;
4659                    } else if (canHideNavigationBar()
4660                            && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4661                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4662                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4663                        // Asking for layout as if the nav bar is hidden, lets the
4664                        // application extend into the unrestricted overscan screen area.  We
4665                        // only do this for application windows to ensure no window that
4666                        // can be above the nav bar can do this.
4667                        pf.left = df.left = mOverscanScreenLeft;
4668                        pf.top = df.top = mOverscanScreenTop;
4669                        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4670                        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4671                        // We need to tell the app about where the frame inside the overscan
4672                        // is, so it can inset its content by that amount -- it didn't ask
4673                        // to actually extend itself into the overscan region.
4674                        of.left = mUnrestrictedScreenLeft;
4675                        of.top = mUnrestrictedScreenTop;
4676                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4677                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4678                    } else {
4679                        pf.left = df.left = mRestrictedOverscanScreenLeft;
4680                        pf.top = df.top = mRestrictedOverscanScreenTop;
4681                        pf.right = df.right = mRestrictedOverscanScreenLeft
4682                                + mRestrictedOverscanScreenWidth;
4683                        pf.bottom = df.bottom = mRestrictedOverscanScreenTop
4684                                + mRestrictedOverscanScreenHeight;
4685                        // We need to tell the app about where the frame inside the overscan
4686                        // is, so it can inset its content by that amount -- it didn't ask
4687                        // to actually extend itself into the overscan region.
4688                        of.left = mUnrestrictedScreenLeft;
4689                        of.top = mUnrestrictedScreenTop;
4690                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4691                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4692                    }
4693
4694                    if ((fl & FLAG_FULLSCREEN) == 0) {
4695                        if (win.isVoiceInteraction()) {
4696                            cf.left = mVoiceContentLeft;
4697                            cf.top = mVoiceContentTop;
4698                            cf.right = mVoiceContentRight;
4699                            cf.bottom = mVoiceContentBottom;
4700                        } else {
4701                            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4702                                cf.left = mDockLeft;
4703                                cf.top = mDockTop;
4704                                cf.right = mDockRight;
4705                                cf.bottom = mDockBottom;
4706                            } else {
4707                                cf.left = mContentLeft;
4708                                cf.top = mContentTop;
4709                                cf.right = mContentRight;
4710                                cf.bottom = mContentBottom;
4711                            }
4712                        }
4713                    } else {
4714                        // Full screen windows are always given a layout that is as if the
4715                        // status bar and other transient decors are gone.  This is to avoid
4716                        // bad states when moving from a window that is not hding the
4717                        // status bar to one that is.
4718                        cf.left = mRestrictedScreenLeft;
4719                        cf.top = mRestrictedScreenTop;
4720                        cf.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
4721                        cf.bottom = mRestrictedScreenTop + mRestrictedScreenHeight;
4722                    }
4723                    applyStableConstraints(sysUiFl, fl, cf);
4724                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4725                        vf.left = mCurLeft;
4726                        vf.top = mCurTop;
4727                        vf.right = mCurRight;
4728                        vf.bottom = mCurBottom;
4729                    } else {
4730                        vf.set(cf);
4731                    }
4732                }
4733            } else if ((fl & FLAG_LAYOUT_IN_SCREEN) != 0 || (sysUiFl
4734                    & (View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
4735                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION)) != 0) {
4736                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4737                        "): IN_SCREEN");
4738                // A window that has requested to fill the entire screen just
4739                // gets everything, period.
4740                if (attrs.type == TYPE_STATUS_BAR_PANEL
4741                        || attrs.type == TYPE_STATUS_BAR_SUB_PANEL
4742                        || attrs.type == TYPE_VOLUME_OVERLAY) {
4743                    pf.left = df.left = of.left = cf.left = hasNavBar
4744                            ? mDockLeft : mUnrestrictedScreenLeft;
4745                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4746                    pf.right = df.right = of.right = cf.right = hasNavBar
4747                                        ? mRestrictedScreenLeft+mRestrictedScreenWidth
4748                                        : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4749                    pf.bottom = df.bottom = of.bottom = cf.bottom = hasNavBar
4750                                          ? mRestrictedScreenTop+mRestrictedScreenHeight
4751                                          : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4752                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4753                                    "Laying out IN_SCREEN status bar window: (%d,%d - %d,%d)",
4754                                    pf.left, pf.top, pf.right, pf.bottom));
4755                } else if (attrs.type == TYPE_NAVIGATION_BAR
4756                        || attrs.type == TYPE_NAVIGATION_BAR_PANEL) {
4757                    // The navigation bar has Real Ultimate Power.
4758                    pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4759                    pf.top = df.top = of.top = mUnrestrictedScreenTop;
4760                    pf.right = df.right = of.right = mUnrestrictedScreenLeft
4761                            + mUnrestrictedScreenWidth;
4762                    pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop
4763                            + mUnrestrictedScreenHeight;
4764                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4765                                    "Laying out navigation bar window: (%d,%d - %d,%d)",
4766                                    pf.left, pf.top, pf.right, pf.bottom));
4767                } else if ((attrs.type == TYPE_SECURE_SYSTEM_OVERLAY
4768                                || attrs.type == TYPE_BOOT_PROGRESS
4769                                || attrs.type == TYPE_SCREENSHOT)
4770                        && ((fl & FLAG_FULLSCREEN) != 0)) {
4771                    // Fullscreen secure system overlays get what they ask for. Screenshot region
4772                    // selection overlay should also expand to full screen.
4773                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4774                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4775                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4776                            + mOverscanScreenWidth;
4777                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4778                            + mOverscanScreenHeight;
4779                } else if (attrs.type == TYPE_BOOT_PROGRESS) {
4780                    // Boot progress screen always covers entire display.
4781                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4782                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4783                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4784                            + mOverscanScreenWidth;
4785                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4786                            + mOverscanScreenHeight;
4787                } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4788                        && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4789                        && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4790                    // Asking to layout into the overscan region, so give it that pure
4791                    // unrestricted area.
4792                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4793                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4794                    pf.right = df.right = of.right = cf.right
4795                            = mOverscanScreenLeft + mOverscanScreenWidth;
4796                    pf.bottom = df.bottom = of.bottom = cf.bottom
4797                            = mOverscanScreenTop + mOverscanScreenHeight;
4798                } else if (canHideNavigationBar()
4799                        && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4800                        && (attrs.type == TYPE_STATUS_BAR
4801                            || attrs.type == TYPE_TOAST
4802                            || attrs.type == TYPE_DOCK_DIVIDER
4803                            || attrs.type == TYPE_VOICE_INTERACTION_STARTING
4804                            || (attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4805                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW))) {
4806                    // Asking for layout as if the nav bar is hidden, lets the
4807                    // application extend into the unrestricted screen area.  We
4808                    // only do this for application windows (or toasts) to ensure no window that
4809                    // can be above the nav bar can do this.
4810                    // XXX This assumes that an app asking for this will also
4811                    // ask for layout in only content.  We can't currently figure out
4812                    // what the screen would be if only laying out to hide the nav bar.
4813                    pf.left = df.left = of.left = cf.left = mUnrestrictedScreenLeft;
4814                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4815                    pf.right = df.right = of.right = cf.right = mUnrestrictedScreenLeft
4816                            + mUnrestrictedScreenWidth;
4817                    pf.bottom = df.bottom = of.bottom = cf.bottom = mUnrestrictedScreenTop
4818                            + mUnrestrictedScreenHeight;
4819                } else if ((sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN) != 0) {
4820                    pf.left = df.left = of.left = mRestrictedScreenLeft;
4821                    pf.top = df.top = of.top  = mRestrictedScreenTop;
4822                    pf.right = df.right = of.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
4823                    pf.bottom = df.bottom = of.bottom = mRestrictedScreenTop
4824                            + mRestrictedScreenHeight;
4825                    if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4826                        cf.left = mDockLeft;
4827                        cf.top = mDockTop;
4828                        cf.right = mDockRight;
4829                        cf.bottom = mDockBottom;
4830                    } else {
4831                        cf.left = mContentLeft;
4832                        cf.top = mContentTop;
4833                        cf.right = mContentRight;
4834                        cf.bottom = mContentBottom;
4835                    }
4836                } else {
4837                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4838                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4839                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4840                            + mRestrictedScreenWidth;
4841                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4842                            + mRestrictedScreenHeight;
4843                }
4844
4845                applyStableConstraints(sysUiFl, fl, cf);
4846
4847                if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4848                    vf.left = mCurLeft;
4849                    vf.top = mCurTop;
4850                    vf.right = mCurRight;
4851                    vf.bottom = mCurBottom;
4852                } else {
4853                    vf.set(cf);
4854                }
4855            } else if (attached != null) {
4856                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4857                        "): attached to " + attached);
4858                // A child window should be placed inside of the same visible
4859                // frame that its parent had.
4860                setAttachedWindowFrames(win, fl, adjust, attached, false, pf, df, of, cf, vf);
4861            } else {
4862                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4863                        "): normal window");
4864                // Otherwise, a normal window must be placed inside the content
4865                // of all screen decorations.
4866                if (attrs.type == TYPE_STATUS_BAR_PANEL || attrs.type == TYPE_VOLUME_OVERLAY) {
4867                    // Status bar panels and the volume dialog are the only windows who can go on
4868                    // top of the status bar.  They are protected by the STATUS_BAR_SERVICE
4869                    // permission, so they have the same privileges as the status
4870                    // bar itself.
4871                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4872                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4873                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4874                            + mRestrictedScreenWidth;
4875                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4876                            + mRestrictedScreenHeight;
4877                } else if (attrs.type == TYPE_TOAST || attrs.type == TYPE_SYSTEM_ALERT) {
4878                    // These dialogs are stable to interim decor changes.
4879                    pf.left = df.left = of.left = cf.left = mStableLeft;
4880                    pf.top = df.top = of.top = cf.top = mStableTop;
4881                    pf.right = df.right = of.right = cf.right = mStableRight;
4882                    pf.bottom = df.bottom = of.bottom = cf.bottom = mStableBottom;
4883                } else {
4884                    pf.left = mContentLeft;
4885                    pf.top = mContentTop;
4886                    pf.right = mContentRight;
4887                    pf.bottom = mContentBottom;
4888                    if (win.isVoiceInteraction()) {
4889                        df.left = of.left = cf.left = mVoiceContentLeft;
4890                        df.top = of.top = cf.top = mVoiceContentTop;
4891                        df.right = of.right = cf.right = mVoiceContentRight;
4892                        df.bottom = of.bottom = cf.bottom = mVoiceContentBottom;
4893                    } else if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4894                        df.left = of.left = cf.left = mDockLeft;
4895                        df.top = of.top = cf.top = mDockTop;
4896                        df.right = of.right = cf.right = mDockRight;
4897                        df.bottom = of.bottom = cf.bottom = mDockBottom;
4898                    } else {
4899                        df.left = of.left = cf.left = mContentLeft;
4900                        df.top = of.top = cf.top = mContentTop;
4901                        df.right = of.right = cf.right = mContentRight;
4902                        df.bottom = of.bottom = cf.bottom = mContentBottom;
4903                    }
4904                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4905                        vf.left = mCurLeft;
4906                        vf.top = mCurTop;
4907                        vf.right = mCurRight;
4908                        vf.bottom = mCurBottom;
4909                    } else {
4910                        vf.set(cf);
4911                    }
4912                }
4913            }
4914        }
4915
4916        // TYPE_SYSTEM_ERROR is above the NavigationBar so it can't be allowed to extend over it.
4917        // Also, we don't allow windows in multi-window mode to extend out of the screen.
4918        if ((fl & FLAG_LAYOUT_NO_LIMITS) != 0 && attrs.type != TYPE_SYSTEM_ERROR
4919                && !win.isInMultiWindowMode()) {
4920            df.left = df.top = -10000;
4921            df.right = df.bottom = 10000;
4922            if (attrs.type != TYPE_WALLPAPER) {
4923                of.left = of.top = cf.left = cf.top = vf.left = vf.top = -10000;
4924                of.right = of.bottom = cf.right = cf.bottom = vf.right = vf.bottom = 10000;
4925            }
4926        }
4927
4928        // If the device has a chin (e.g. some watches), a dead area at the bottom of the screen we
4929        // need to provide information to the clients that want to pretend that you can draw there.
4930        // We only want to apply outsets to certain types of windows. For example, we never want to
4931        // apply the outsets to floating dialogs, because they wouldn't make sense there.
4932        final boolean useOutsets = shouldUseOutsets(attrs, fl);
4933        if (isDefaultDisplay && useOutsets) {
4934            osf = mTmpOutsetFrame;
4935            osf.set(cf.left, cf.top, cf.right, cf.bottom);
4936            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
4937            if (outset > 0) {
4938                int rotation = mDisplayRotation;
4939                if (rotation == Surface.ROTATION_0) {
4940                    osf.bottom += outset;
4941                } else if (rotation == Surface.ROTATION_90) {
4942                    osf.right += outset;
4943                } else if (rotation == Surface.ROTATION_180) {
4944                    osf.top -= outset;
4945                } else if (rotation == Surface.ROTATION_270) {
4946                    osf.left -= outset;
4947                }
4948                if (DEBUG_LAYOUT) Slog.v(TAG, "applying bottom outset of " + outset
4949                        + " with rotation " + rotation + ", result: " + osf);
4950            }
4951        }
4952
4953        if (DEBUG_LAYOUT) Slog.v(TAG, "Compute frame " + attrs.getTitle()
4954                + ": sim=#" + Integer.toHexString(sim)
4955                + " attach=" + attached + " type=" + attrs.type
4956                + String.format(" flags=0x%08x", fl)
4957                + " pf=" + pf.toShortString() + " df=" + df.toShortString()
4958                + " of=" + of.toShortString()
4959                + " cf=" + cf.toShortString() + " vf=" + vf.toShortString()
4960                + " dcf=" + dcf.toShortString()
4961                + " sf=" + sf.toShortString()
4962                + " osf=" + (osf == null ? "null" : osf.toShortString()));
4963
4964        win.computeFrameLw(pf, df, of, cf, vf, dcf, sf, osf);
4965
4966        // Dock windows carve out the bottom of the screen, so normal windows
4967        // can't appear underneath them.
4968        if (attrs.type == TYPE_INPUT_METHOD && win.isVisibleOrBehindKeyguardLw()
4969                && win.isDisplayedLw() && !win.getGivenInsetsPendingLw()) {
4970            setLastInputMethodWindowLw(null, null);
4971            offsetInputMethodWindowLw(win);
4972        }
4973        if (attrs.type == TYPE_VOICE_INTERACTION && win.isVisibleOrBehindKeyguardLw()
4974                && !win.getGivenInsetsPendingLw()) {
4975            offsetVoiceInputWindowLw(win);
4976        }
4977    }
4978
4979    private void layoutWallpaper(WindowState win, Rect pf, Rect df, Rect of, Rect cf) {
4980
4981        // The wallpaper also has Real Ultimate Power, but we want to tell
4982        // it about the overscan area.
4983        pf.left = df.left = mOverscanScreenLeft;
4984        pf.top = df.top = mOverscanScreenTop;
4985        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4986        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4987        of.left = cf.left = mUnrestrictedScreenLeft;
4988        of.top = cf.top = mUnrestrictedScreenTop;
4989        of.right = cf.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4990        of.bottom = cf.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4991    }
4992
4993    private void offsetInputMethodWindowLw(WindowState win) {
4994        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4995        top += win.getGivenContentInsetsLw().top;
4996        if (mContentBottom > top) {
4997            mContentBottom = top;
4998        }
4999        if (mVoiceContentBottom > top) {
5000            mVoiceContentBottom = top;
5001        }
5002        top = win.getVisibleFrameLw().top;
5003        top += win.getGivenVisibleInsetsLw().top;
5004        if (mCurBottom > top) {
5005            mCurBottom = top;
5006        }
5007        if (DEBUG_LAYOUT) Slog.v(TAG, "Input method: mDockBottom="
5008                + mDockBottom + " mContentBottom="
5009                + mContentBottom + " mCurBottom=" + mCurBottom);
5010    }
5011
5012    private void offsetVoiceInputWindowLw(WindowState win) {
5013        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
5014        top += win.getGivenContentInsetsLw().top;
5015        if (mVoiceContentBottom > top) {
5016            mVoiceContentBottom = top;
5017        }
5018    }
5019
5020    /** {@inheritDoc} */
5021    @Override
5022    public void finishLayoutLw() {
5023        return;
5024    }
5025
5026    /** {@inheritDoc} */
5027    @Override
5028    public void beginPostLayoutPolicyLw(int displayWidth, int displayHeight) {
5029        mTopFullscreenOpaqueWindowState = null;
5030        mTopFullscreenOpaqueOrDimmingWindowState = null;
5031        mTopDockedOpaqueWindowState = null;
5032        mTopDockedOpaqueOrDimmingWindowState = null;
5033        mAppsToBeHidden.clear();
5034        mAppsThatDismissKeyguard.clear();
5035        mForceStatusBar = false;
5036        mForceStatusBarFromKeyguard = false;
5037        mForceStatusBarTransparent = false;
5038        mForcingShowNavBar = false;
5039        mForcingShowNavBarLayer = -1;
5040
5041        mHideLockScreen = false;
5042        mAllowLockscreenWhenOn = false;
5043        mDismissKeyguard = DISMISS_KEYGUARD_NONE;
5044        mShowingLockscreen = false;
5045        mShowingDream = false;
5046        mWinShowWhenLocked = null;
5047        mKeyguardSecure = isKeyguardSecure(mCurrentUserId);
5048        mKeyguardSecureIncludingHidden = mKeyguardSecure
5049                && (mKeyguardDelegate != null && mKeyguardDelegate.isShowing());
5050    }
5051
5052    /** {@inheritDoc} */
5053    @Override
5054    public void applyPostLayoutPolicyLw(WindowState win, WindowManager.LayoutParams attrs,
5055            WindowState attached) {
5056        if (DEBUG_LAYOUT) Slog.i(TAG, "Win " + win + ": isVisibleOrBehindKeyguardLw="
5057                + win.isVisibleOrBehindKeyguardLw());
5058        final int fl = PolicyControl.getWindowFlags(win, attrs);
5059        if (mTopFullscreenOpaqueWindowState == null
5060                && win.isVisibleLw() && attrs.type == TYPE_INPUT_METHOD) {
5061            mForcingShowNavBar = true;
5062            mForcingShowNavBarLayer = win.getSurfaceLayer();
5063        }
5064        if (attrs.type == TYPE_STATUS_BAR) {
5065            if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
5066                mForceStatusBarFromKeyguard = true;
5067                mShowingLockscreen = true;
5068            }
5069            if ((attrs.privateFlags & PRIVATE_FLAG_FORCE_STATUS_BAR_VISIBLE_TRANSPARENT) != 0) {
5070                mForceStatusBarTransparent = true;
5071            }
5072        }
5073
5074        boolean appWindow = attrs.type >= FIRST_APPLICATION_WINDOW
5075                && attrs.type < FIRST_SYSTEM_WINDOW;
5076        final boolean showWhenLocked = (fl & FLAG_SHOW_WHEN_LOCKED) != 0;
5077        final boolean dismissKeyguard = (fl & FLAG_DISMISS_KEYGUARD) != 0;
5078        final int stackId = win.getStackId();
5079        if (mTopFullscreenOpaqueWindowState == null &&
5080                win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()) {
5081            if ((fl & FLAG_FORCE_NOT_FULLSCREEN) != 0) {
5082                if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
5083                    mForceStatusBarFromKeyguard = true;
5084                } else {
5085                    mForceStatusBar = true;
5086                }
5087            }
5088            if (attrs.type == TYPE_DREAM) {
5089                // If the lockscreen was showing when the dream started then wait
5090                // for the dream to draw before hiding the lockscreen.
5091                if (!mDreamingLockscreen
5092                        || (win.isVisibleLw() && win.hasDrawnLw())) {
5093                    mShowingDream = true;
5094                    appWindow = true;
5095                }
5096            }
5097
5098            final IApplicationToken appToken = win.getAppToken();
5099
5100            // For app windows that are not attached, we decide if all windows in the app they
5101            // represent should be hidden or if we should hide the lockscreen. For attached app
5102            // windows we defer the decision to the window it is attached to.
5103            if (appWindow && attached == null) {
5104                if (showWhenLocked) {
5105                    // Remove any previous windows with the same appToken.
5106                    mAppsToBeHidden.remove(appToken);
5107                    mAppsThatDismissKeyguard.remove(appToken);
5108                    if (mAppsToBeHidden.isEmpty()) {
5109                        if (dismissKeyguard && !mKeyguardSecure) {
5110                            mAppsThatDismissKeyguard.add(appToken);
5111                        } else if (win.isDrawnLw() || win.hasAppShownWindows()) {
5112                            mWinShowWhenLocked = win;
5113                            mHideLockScreen = true;
5114                            mForceStatusBarFromKeyguard = false;
5115                        }
5116                    }
5117                } else if (dismissKeyguard) {
5118                    if (mKeyguardSecure) {
5119                        mAppsToBeHidden.add(appToken);
5120                    } else {
5121                        mAppsToBeHidden.remove(appToken);
5122                    }
5123                    mAppsThatDismissKeyguard.add(appToken);
5124                } else {
5125                    mAppsToBeHidden.add(appToken);
5126                }
5127                if (isFullscreen(attrs) && StackId.normallyFullscreenWindows(stackId)) {
5128                    if (DEBUG_LAYOUT) Slog.v(TAG, "Fullscreen window: " + win);
5129                    mTopFullscreenOpaqueWindowState = win;
5130                    if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
5131                        mTopFullscreenOpaqueOrDimmingWindowState = win;
5132                    }
5133                    if (!mAppsThatDismissKeyguard.isEmpty() &&
5134                            mDismissKeyguard == DISMISS_KEYGUARD_NONE) {
5135                        if (DEBUG_LAYOUT) Slog.v(TAG,
5136                                "Setting mDismissKeyguard true by win " + win);
5137                        mDismissKeyguard = (mWinDismissingKeyguard == win
5138                                && mSecureDismissingKeyguard == mKeyguardSecure)
5139                                ? DISMISS_KEYGUARD_CONTINUE : DISMISS_KEYGUARD_START;
5140                        mWinDismissingKeyguard = win;
5141                        mSecureDismissingKeyguard = mKeyguardSecure;
5142                        mForceStatusBarFromKeyguard = mShowingLockscreen && mKeyguardSecure;
5143                    } else if (mAppsToBeHidden.isEmpty() && showWhenLocked
5144                            && (win.isDrawnLw() || win.hasAppShownWindows())) {
5145                        if (DEBUG_LAYOUT) Slog.v(TAG,
5146                                "Setting mHideLockScreen to true by win " + win);
5147                        mHideLockScreen = true;
5148                        mForceStatusBarFromKeyguard = false;
5149                    }
5150                    if ((fl & FLAG_ALLOW_LOCK_WHILE_SCREEN_ON) != 0) {
5151                        mAllowLockscreenWhenOn = true;
5152                    }
5153                }
5154
5155                if (!mKeyguardHidden && mWinShowWhenLocked != null &&
5156                        mWinShowWhenLocked.getAppToken() != win.getAppToken() &&
5157                        (attrs.flags & FLAG_SHOW_WHEN_LOCKED) == 0) {
5158                    win.hideLw(false);
5159                }
5160            }
5161        } else if (mTopFullscreenOpaqueWindowState == null && mWinShowWhenLocked == null) {
5162            // No TopFullscreenOpaqueWindow is showing, but we found a SHOW_WHEN_LOCKED window
5163            // that is being hidden in an animation - keep the
5164            // keyguard hidden until the new window shows up and
5165            // we know whether to show the keyguard or not.
5166            if (win.isAnimatingLw() && appWindow && showWhenLocked && mKeyguardHidden) {
5167                mHideLockScreen = true;
5168                mWinShowWhenLocked = win;
5169            }
5170        }
5171
5172        final boolean reallyVisible = win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw();
5173
5174        // Voice interaction overrides both top fullscreen and top docked.
5175        if (reallyVisible && win.getAttrs().type == TYPE_VOICE_INTERACTION) {
5176            if (mTopFullscreenOpaqueWindowState == null) {
5177                mTopFullscreenOpaqueWindowState = win;
5178                if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
5179                    mTopFullscreenOpaqueOrDimmingWindowState = win;
5180                }
5181            }
5182            if (mTopDockedOpaqueWindowState == null) {
5183                mTopDockedOpaqueWindowState = win;
5184                if (mTopDockedOpaqueOrDimmingWindowState == null) {
5185                    mTopDockedOpaqueOrDimmingWindowState = win;
5186                }
5187            }
5188        }
5189
5190        // Keep track of the window if it's dimming but not necessarily fullscreen.
5191        if (mTopFullscreenOpaqueOrDimmingWindowState == null && reallyVisible
5192                && win.isDimming() && StackId.normallyFullscreenWindows(stackId)) {
5193            mTopFullscreenOpaqueOrDimmingWindowState = win;
5194        }
5195
5196        // We need to keep track of the top "fullscreen" opaque window for the docked stack
5197        // separately, because both the "real fullscreen" opaque window and the one for the docked
5198        // stack can control View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR.
5199        if (mTopDockedOpaqueWindowState == null && reallyVisible && appWindow && attached == null
5200                && isFullscreen(attrs) && stackId == DOCKED_STACK_ID) {
5201            mTopDockedOpaqueWindowState = win;
5202            if (mTopDockedOpaqueOrDimmingWindowState == null) {
5203                mTopDockedOpaqueOrDimmingWindowState = win;
5204            }
5205        }
5206
5207        // Also keep track of any windows that are dimming but not necessarily fullscreen in the
5208        // docked stack.
5209        if (mTopDockedOpaqueOrDimmingWindowState == null && reallyVisible && win.isDimming()
5210                && stackId == DOCKED_STACK_ID) {
5211            mTopDockedOpaqueOrDimmingWindowState = win;
5212        }
5213    }
5214
5215    private boolean isFullscreen(WindowManager.LayoutParams attrs) {
5216        return attrs.x == 0 && attrs.y == 0
5217                && attrs.width == WindowManager.LayoutParams.MATCH_PARENT
5218                && attrs.height == WindowManager.LayoutParams.MATCH_PARENT;
5219    }
5220
5221    /** {@inheritDoc} */
5222    @Override
5223    public int finishPostLayoutPolicyLw() {
5224        if (mWinShowWhenLocked != null && mTopFullscreenOpaqueWindowState != null &&
5225                mWinShowWhenLocked.getAppToken() != mTopFullscreenOpaqueWindowState.getAppToken()
5226                && isKeyguardLocked()) {
5227            // A dialog is dismissing the keyguard. Put the wallpaper behind it and hide the
5228            // fullscreen window.
5229            // TODO: Make sure FLAG_SHOW_WALLPAPER is restored when dialog is dismissed. Or not.
5230            mWinShowWhenLocked.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
5231            mTopFullscreenOpaqueWindowState.hideLw(false);
5232            mTopFullscreenOpaqueWindowState = mWinShowWhenLocked;
5233        }
5234
5235        int changes = 0;
5236        boolean topIsFullscreen = false;
5237
5238        final WindowManager.LayoutParams lp = (mTopFullscreenOpaqueWindowState != null)
5239                ? mTopFullscreenOpaqueWindowState.getAttrs()
5240                : null;
5241
5242        // If we are not currently showing a dream then remember the current
5243        // lockscreen state.  We will use this to determine whether the dream
5244        // started while the lockscreen was showing and remember this state
5245        // while the dream is showing.
5246        if (!mShowingDream) {
5247            mDreamingLockscreen = mShowingLockscreen;
5248            if (mDreamingSleepTokenNeeded) {
5249                mDreamingSleepTokenNeeded = false;
5250                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 0, 1).sendToTarget();
5251            }
5252        } else {
5253            if (!mDreamingSleepTokenNeeded) {
5254                mDreamingSleepTokenNeeded = true;
5255                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 1, 1).sendToTarget();
5256            }
5257        }
5258
5259        if (mStatusBar != null) {
5260            if (DEBUG_LAYOUT) Slog.i(TAG, "force=" + mForceStatusBar
5261                    + " forcefkg=" + mForceStatusBarFromKeyguard
5262                    + " top=" + mTopFullscreenOpaqueWindowState);
5263            boolean shouldBeTransparent = mForceStatusBarTransparent
5264                    && !mForceStatusBar
5265                    && !mForceStatusBarFromKeyguard;
5266            if (!shouldBeTransparent) {
5267                mStatusBarController.setShowTransparent(false /* transparent */);
5268            } else if (!mStatusBar.isVisibleLw()) {
5269                mStatusBarController.setShowTransparent(true /* transparent */);
5270            }
5271
5272            WindowManager.LayoutParams statusBarAttrs = mStatusBar.getAttrs();
5273            boolean statusBarExpanded = statusBarAttrs.height == MATCH_PARENT
5274                    && statusBarAttrs.width == MATCH_PARENT;
5275            if (mForceStatusBar || mForceStatusBarFromKeyguard || mForceStatusBarTransparent
5276                    || statusBarExpanded) {
5277                if (DEBUG_LAYOUT) Slog.v(TAG, "Showing status bar: forced");
5278                if (mStatusBarController.setBarShowingLw(true)) {
5279                    changes |= FINISH_LAYOUT_REDO_LAYOUT;
5280                }
5281                // Maintain fullscreen layout until incoming animation is complete.
5282                topIsFullscreen = mTopIsFullscreen && mStatusBar.isAnimatingLw();
5283                // Transient status bar on the lockscreen is not allowed
5284                if (mForceStatusBarFromKeyguard && mStatusBarController.isTransientShowing()) {
5285                    mStatusBarController.updateVisibilityLw(false /*transientAllowed*/,
5286                            mLastSystemUiFlags, mLastSystemUiFlags);
5287                }
5288                if (statusBarExpanded && mNavigationBar != null) {
5289                    if (mNavigationBarController.setBarShowingLw(true)) {
5290                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5291                    }
5292                }
5293            } else if (mTopFullscreenOpaqueWindowState != null) {
5294                final int fl = PolicyControl.getWindowFlags(null, lp);
5295                if (localLOGV) {
5296                    Slog.d(TAG, "frame: " + mTopFullscreenOpaqueWindowState.getFrameLw()
5297                            + " shown position: "
5298                            + mTopFullscreenOpaqueWindowState.getShownPositionLw());
5299                    Slog.d(TAG, "attr: " + mTopFullscreenOpaqueWindowState.getAttrs()
5300                            + " lp.flags=0x" + Integer.toHexString(fl));
5301                }
5302                topIsFullscreen = (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0
5303                        || (mLastSystemUiFlags & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
5304                // The subtle difference between the window for mTopFullscreenOpaqueWindowState
5305                // and mTopIsFullscreen is that mTopIsFullscreen is set only if the window
5306                // has the FLAG_FULLSCREEN set.  Not sure if there is another way that to be the
5307                // case though.
5308                if (mStatusBarController.isTransientShowing()) {
5309                    if (mStatusBarController.setBarShowingLw(true)) {
5310                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5311                    }
5312                } else if (topIsFullscreen
5313                        && !mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID)
5314                        && !mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID)) {
5315                    if (DEBUG_LAYOUT) Slog.v(TAG, "** HIDING status bar");
5316                    if (mStatusBarController.setBarShowingLw(false)) {
5317                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5318                    } else {
5319                        if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar already hiding");
5320                    }
5321                } else {
5322                    if (DEBUG_LAYOUT) Slog.v(TAG, "** SHOWING status bar: top is not fullscreen");
5323                    if (mStatusBarController.setBarShowingLw(true)) {
5324                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5325                    }
5326                }
5327            }
5328        }
5329
5330        if (mTopIsFullscreen != topIsFullscreen) {
5331            if (!topIsFullscreen) {
5332                // Force another layout when status bar becomes fully shown.
5333                changes |= FINISH_LAYOUT_REDO_LAYOUT;
5334            }
5335            mTopIsFullscreen = topIsFullscreen;
5336        }
5337
5338        // Hide the key guard if a visible window explicitly specifies that it wants to be
5339        // displayed when the screen is locked.
5340        if (mKeyguardDelegate != null && mStatusBar != null) {
5341            if (localLOGV) Slog.v(TAG, "finishPostLayoutPolicyLw: mHideKeyguard="
5342                    + mHideLockScreen);
5343            if (mDismissKeyguard != DISMISS_KEYGUARD_NONE && !mKeyguardSecure) {
5344                mKeyguardHidden = true;
5345                if (setKeyguardOccludedLw(true)) {
5346                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5347                            | FINISH_LAYOUT_REDO_CONFIG
5348                            | FINISH_LAYOUT_REDO_WALLPAPER;
5349                }
5350                if (mKeyguardDelegate.isShowing()) {
5351                    mHandler.post(new Runnable() {
5352                        @Override
5353                        public void run() {
5354                            mKeyguardDelegate.keyguardDone(false, false);
5355                        }
5356                    });
5357                }
5358            } else if (mHideLockScreen) {
5359                mKeyguardHidden = true;
5360                mWinDismissingKeyguard = null;
5361                if (setKeyguardOccludedLw(true)) {
5362                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5363                            | FINISH_LAYOUT_REDO_CONFIG
5364                            | FINISH_LAYOUT_REDO_WALLPAPER;
5365                }
5366            } else if (mDismissKeyguard != DISMISS_KEYGUARD_NONE) {
5367                mKeyguardHidden = false;
5368                final boolean trusted = mKeyguardDelegate.isTrusted();
5369                if (trusted) {
5370                    // No need to un-occlude keyguard - we'll dimiss it right away anyways.
5371                } else if (setKeyguardOccludedLw(false)) {
5372                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5373                            | FINISH_LAYOUT_REDO_CONFIG
5374                            | FINISH_LAYOUT_REDO_WALLPAPER;
5375                }
5376                if (mDismissKeyguard == DISMISS_KEYGUARD_START) {
5377                    // Only launch the next keyguard unlock window once per window.
5378                    mHandler.post(new Runnable() {
5379                        @Override
5380                        public void run() {
5381                            mKeyguardDelegate.dismiss(trusted /* allowWhileOccluded */);
5382                        }
5383                    });
5384                }
5385            } else {
5386                mWinDismissingKeyguard = null;
5387                mSecureDismissingKeyguard = false;
5388                mKeyguardHidden = false;
5389                if (setKeyguardOccludedLw(false)) {
5390                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5391                            | FINISH_LAYOUT_REDO_CONFIG
5392                            | FINISH_LAYOUT_REDO_WALLPAPER;
5393                }
5394            }
5395        }
5396
5397        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
5398            // If the navigation bar has been hidden or shown, we need to do another
5399            // layout pass to update that window.
5400            changes |= FINISH_LAYOUT_REDO_LAYOUT;
5401        }
5402
5403        // update since mAllowLockscreenWhenOn might have changed
5404        updateLockScreenTimeout();
5405        return changes;
5406    }
5407
5408    /**
5409     * Updates the occluded state of the Keyguard.
5410     *
5411     * @return Whether the flags have changed and we have to redo the layout.
5412     */
5413    private boolean setKeyguardOccludedLw(boolean isOccluded) {
5414        boolean wasOccluded = mKeyguardOccluded;
5415        boolean showing = mKeyguardDelegate.isShowing();
5416        if (wasOccluded && !isOccluded && showing) {
5417            mKeyguardOccluded = false;
5418            mKeyguardDelegate.setOccluded(false, true /* animate */);
5419            mStatusBar.getAttrs().privateFlags |= PRIVATE_FLAG_KEYGUARD;
5420            if (!mKeyguardDelegate.hasLockscreenWallpaper()) {
5421                mStatusBar.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
5422            }
5423            Animation anim = AnimationUtils.loadAnimation(mContext,
5424                    com.android.internal.R.anim.wallpaper_open_exit);
5425            mWindowManagerFuncs.overridePlayingAppAnimationsLw(anim);
5426            return true;
5427        } else if (!wasOccluded && isOccluded && showing) {
5428            mKeyguardOccluded = true;
5429            mKeyguardDelegate.setOccluded(true, false /* animate */);
5430            mStatusBar.getAttrs().privateFlags &= ~PRIVATE_FLAG_KEYGUARD;
5431            mStatusBar.getAttrs().flags &= ~FLAG_SHOW_WALLPAPER;
5432            return true;
5433        } else {
5434            return false;
5435        }
5436    }
5437
5438    private boolean isStatusBarKeyguard() {
5439        return mStatusBar != null
5440                && (mStatusBar.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
5441    }
5442
5443    @Override
5444    public boolean allowAppAnimationsLw() {
5445        if (isStatusBarKeyguard() || mShowingDream) {
5446            // If keyguard or dreams is currently visible, no reason to animate behind it.
5447            return false;
5448        }
5449        return true;
5450    }
5451
5452    @Override
5453    public int focusChangedLw(WindowState lastFocus, WindowState newFocus) {
5454        mFocusedWindow = newFocus;
5455        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
5456            // If the navigation bar has been hidden or shown, we need to do another
5457            // layout pass to update that window.
5458            return FINISH_LAYOUT_REDO_LAYOUT;
5459        }
5460        return 0;
5461    }
5462
5463    /** {@inheritDoc} */
5464    @Override
5465    public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
5466        // lid changed state
5467        final int newLidState = lidOpen ? LID_OPEN : LID_CLOSED;
5468        if (newLidState == mLidState) {
5469            return;
5470        }
5471
5472        mLidState = newLidState;
5473        applyLidSwitchState();
5474        updateRotation(true);
5475
5476        if (lidOpen) {
5477            wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromLidSwitch,
5478                    "android.policy:LID");
5479        } else if (!mLidControlsSleep) {
5480            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
5481        }
5482    }
5483
5484    @Override
5485    public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) {
5486        int lensCoverState = lensCovered ? CAMERA_LENS_COVERED : CAMERA_LENS_UNCOVERED;
5487        if (mCameraLensCoverState == lensCoverState) {
5488            return;
5489        }
5490        if (mCameraLensCoverState == CAMERA_LENS_COVERED &&
5491                lensCoverState == CAMERA_LENS_UNCOVERED) {
5492            Intent intent;
5493            final boolean keyguardActive = mKeyguardDelegate == null ? false :
5494                    mKeyguardDelegate.isShowing();
5495            if (keyguardActive) {
5496                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);
5497            } else {
5498                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
5499            }
5500            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromCameraLens,
5501                    "android.policy:CAMERA_COVER");
5502            startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
5503        }
5504        mCameraLensCoverState = lensCoverState;
5505    }
5506
5507    void setHdmiPlugged(boolean plugged) {
5508        if (mHdmiPlugged != plugged) {
5509            mHdmiPlugged = plugged;
5510            updateRotation(true, true);
5511            Intent intent = new Intent(ACTION_HDMI_PLUGGED);
5512            intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
5513            intent.putExtra(EXTRA_HDMI_PLUGGED_STATE, plugged);
5514            mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
5515        }
5516    }
5517
5518    void initializeHdmiState() {
5519        boolean plugged = false;
5520        // watch for HDMI plug messages if the hdmi switch exists
5521        if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
5522            mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
5523
5524            final String filename = "/sys/class/switch/hdmi/state";
5525            FileReader reader = null;
5526            try {
5527                reader = new FileReader(filename);
5528                char[] buf = new char[15];
5529                int n = reader.read(buf);
5530                if (n > 1) {
5531                    plugged = 0 != Integer.parseInt(new String(buf, 0, n-1));
5532                }
5533            } catch (IOException ex) {
5534                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
5535            } catch (NumberFormatException ex) {
5536                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
5537            } finally {
5538                if (reader != null) {
5539                    try {
5540                        reader.close();
5541                    } catch (IOException ex) {
5542                    }
5543                }
5544            }
5545        }
5546        // This dance forces the code in setHdmiPlugged to run.
5547        // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
5548        mHdmiPlugged = !plugged;
5549        setHdmiPlugged(!mHdmiPlugged);
5550    }
5551
5552    final Object mScreenshotLock = new Object();
5553    ServiceConnection mScreenshotConnection = null;
5554
5555    final Runnable mScreenshotTimeout = new Runnable() {
5556        @Override public void run() {
5557            synchronized (mScreenshotLock) {
5558                if (mScreenshotConnection != null) {
5559                    mContext.unbindService(mScreenshotConnection);
5560                    mScreenshotConnection = null;
5561                    notifyScreenshotError();
5562                }
5563            }
5564        }
5565    };
5566
5567    // Assume this is called from the Handler thread.
5568    private void takeScreenshot(final int screenshotType) {
5569        synchronized (mScreenshotLock) {
5570            if (mScreenshotConnection != null) {
5571                return;
5572            }
5573            final ComponentName serviceComponent = new ComponentName(SYSUI_PACKAGE,
5574                    SYSUI_SCREENSHOT_SERVICE);
5575            final Intent serviceIntent = new Intent();
5576            serviceIntent.setComponent(serviceComponent);
5577            ServiceConnection conn = new ServiceConnection() {
5578                @Override
5579                public void onServiceConnected(ComponentName name, IBinder service) {
5580                    synchronized (mScreenshotLock) {
5581                        if (mScreenshotConnection != this) {
5582                            return;
5583                        }
5584                        Messenger messenger = new Messenger(service);
5585                        Message msg = Message.obtain(null, screenshotType);
5586                        final ServiceConnection myConn = this;
5587                        Handler h = new Handler(mHandler.getLooper()) {
5588                            @Override
5589                            public void handleMessage(Message msg) {
5590                                synchronized (mScreenshotLock) {
5591                                    if (mScreenshotConnection == myConn) {
5592                                        mContext.unbindService(mScreenshotConnection);
5593                                        mScreenshotConnection = null;
5594                                        mHandler.removeCallbacks(mScreenshotTimeout);
5595                                    }
5596                                }
5597                            }
5598                        };
5599                        msg.replyTo = new Messenger(h);
5600                        msg.arg1 = msg.arg2 = 0;
5601                        if (mStatusBar != null && mStatusBar.isVisibleLw())
5602                            msg.arg1 = 1;
5603                        if (mNavigationBar != null && mNavigationBar.isVisibleLw())
5604                            msg.arg2 = 1;
5605                        try {
5606                            messenger.send(msg);
5607                        } catch (RemoteException e) {
5608                        }
5609                    }
5610                }
5611
5612                @Override
5613                public void onServiceDisconnected(ComponentName name) {
5614                    notifyScreenshotError();
5615                }
5616            };
5617            if (mContext.bindServiceAsUser(serviceIntent, conn,
5618                    Context.BIND_AUTO_CREATE | Context.BIND_FOREGROUND_SERVICE_WHILE_AWAKE,
5619                    UserHandle.CURRENT)) {
5620                mScreenshotConnection = conn;
5621                mHandler.postDelayed(mScreenshotTimeout, 10000);
5622            }
5623        }
5624    }
5625
5626    /**
5627     * Notifies the screenshot service to show an error.
5628     */
5629    private void notifyScreenshotError() {
5630        // If the service process is killed, then ask it to clean up after itself
5631        final ComponentName errorComponent = new ComponentName(SYSUI_PACKAGE,
5632                SYSUI_SCREENSHOT_ERROR_RECEIVER);
5633        Intent errorIntent = new Intent(Intent.ACTION_USER_PRESENT);
5634        errorIntent.setComponent(errorComponent);
5635        errorIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT |
5636                Intent.FLAG_RECEIVER_FOREGROUND);
5637        mContext.sendBroadcastAsUser(errorIntent, UserHandle.CURRENT);
5638    }
5639
5640    /** {@inheritDoc} */
5641    @Override
5642    public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) {
5643        if (!mSystemBooted) {
5644            // If we have not yet booted, don't let key events do anything.
5645            return 0;
5646        }
5647
5648        final boolean interactive = (policyFlags & FLAG_INTERACTIVE) != 0;
5649        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
5650        final boolean canceled = event.isCanceled();
5651        final int keyCode = event.getKeyCode();
5652
5653        final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;
5654
5655        // If screen is off then we treat the case where the keyguard is open but hidden
5656        // the same as if it were open and in front.
5657        // This will prevent any keys other than the power button from waking the screen
5658        // when the keyguard is hidden by another activity.
5659        final boolean keyguardActive = (mKeyguardDelegate == null ? false :
5660                                            (interactive ?
5661                                                isKeyguardShowingAndNotOccluded() :
5662                                                mKeyguardDelegate.isShowing()));
5663
5664        if (DEBUG_INPUT) {
5665            Log.d(TAG, "interceptKeyTq keycode=" + keyCode
5666                    + " interactive=" + interactive + " keyguardActive=" + keyguardActive
5667                    + " policyFlags=" + Integer.toHexString(policyFlags));
5668        }
5669
5670        // Basic policy based on interactive state.
5671        int result;
5672        boolean isWakeKey = (policyFlags & WindowManagerPolicy.FLAG_WAKE) != 0
5673                || event.isWakeKey();
5674        if (interactive || (isInjected && !isWakeKey)) {
5675            // When the device is interactive or the key is injected pass the
5676            // key to the application.
5677            result = ACTION_PASS_TO_USER;
5678            isWakeKey = false;
5679
5680            if (interactive) {
5681                // If the screen is awake, but the button pressed was the one that woke the device
5682                // then don't pass it to the application
5683                if (keyCode == mPendingWakeKey && !down) {
5684                    result = 0;
5685                }
5686                // Reset the pending key
5687                mPendingWakeKey = PENDING_KEY_NULL;
5688            }
5689        } else if (!interactive && shouldDispatchInputWhenNonInteractive(event)) {
5690            // If we're currently dozing with the screen on and the keyguard showing, pass the key
5691            // to the application but preserve its wake key status to make sure we still move
5692            // from dozing to fully interactive if we would normally go from off to fully
5693            // interactive.
5694            result = ACTION_PASS_TO_USER;
5695            // Since we're dispatching the input, reset the pending key
5696            mPendingWakeKey = PENDING_KEY_NULL;
5697        } else {
5698            // When the screen is off and the key is not injected, determine whether
5699            // to wake the device but don't pass the key to the application.
5700            result = 0;
5701            if (isWakeKey && (!down || !isWakeKeyWhenScreenOff(keyCode))) {
5702                isWakeKey = false;
5703            }
5704            // Cache the wake key on down event so we can also avoid sending the up event to the app
5705            if (isWakeKey && down) {
5706                mPendingWakeKey = keyCode;
5707            }
5708        }
5709
5710        // If the key would be handled globally, just return the result, don't worry about special
5711        // key processing.
5712        if (isValidGlobalKey(keyCode)
5713                && mGlobalKeyManager.shouldHandleGlobalKey(keyCode, event)) {
5714            if (isWakeKey) {
5715                wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5716            }
5717            return result;
5718        }
5719
5720        boolean useHapticFeedback = down
5721                && (policyFlags & WindowManagerPolicy.FLAG_VIRTUAL) != 0
5722                && event.getRepeatCount() == 0;
5723
5724        // Handle special keys.
5725        switch (keyCode) {
5726            case KeyEvent.KEYCODE_BACK: {
5727                if (down) {
5728                    interceptBackKeyDown();
5729                } else {
5730                    boolean handled = interceptBackKeyUp(event);
5731
5732                    // Don't pass back press to app if we've already handled it via long press
5733                    if (handled) {
5734                        result &= ~ACTION_PASS_TO_USER;
5735                    }
5736                }
5737                break;
5738            }
5739
5740            case KeyEvent.KEYCODE_VOLUME_DOWN:
5741            case KeyEvent.KEYCODE_VOLUME_UP:
5742            case KeyEvent.KEYCODE_VOLUME_MUTE: {
5743                if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
5744                    if (down) {
5745                        if (interactive && !mScreenshotChordVolumeDownKeyTriggered
5746                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5747                            mScreenshotChordVolumeDownKeyTriggered = true;
5748                            mScreenshotChordVolumeDownKeyTime = event.getDownTime();
5749                            mScreenshotChordVolumeDownKeyConsumed = false;
5750                            cancelPendingPowerKeyAction();
5751                            interceptScreenshotChord();
5752                        }
5753                    } else {
5754                        mScreenshotChordVolumeDownKeyTriggered = false;
5755                        cancelPendingScreenshotChordAction();
5756                    }
5757                } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
5758                    if (down) {
5759                        if (interactive && !mScreenshotChordVolumeUpKeyTriggered
5760                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5761                            mScreenshotChordVolumeUpKeyTriggered = true;
5762                            cancelPendingPowerKeyAction();
5763                            cancelPendingScreenshotChordAction();
5764                        }
5765                    } else {
5766                        mScreenshotChordVolumeUpKeyTriggered = false;
5767                        cancelPendingScreenshotChordAction();
5768                    }
5769                }
5770                if (down) {
5771                    TelecomManager telecomManager = getTelecommService();
5772                    if (telecomManager != null) {
5773                        if (telecomManager.isRinging()) {
5774                            // If an incoming call is ringing, either VOLUME key means
5775                            // "silence ringer".  We handle these keys here, rather than
5776                            // in the InCallScreen, to make sure we'll respond to them
5777                            // even if the InCallScreen hasn't come to the foreground yet.
5778                            // Look for the DOWN event here, to agree with the "fallback"
5779                            // behavior in the InCallScreen.
5780                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5781                                  + " VOLUME key-down while ringing: Silence ringer!");
5782
5783                            // Silence the ringer.  (It's safe to call this
5784                            // even if the ringer has already been silenced.)
5785                            telecomManager.silenceRinger();
5786
5787                            // And *don't* pass this key thru to the current activity
5788                            // (which is probably the InCallScreen.)
5789                            result &= ~ACTION_PASS_TO_USER;
5790                            break;
5791                        }
5792                        if (telecomManager.isInCall()
5793                                && (result & ACTION_PASS_TO_USER) == 0) {
5794                            // If we are in call but we decided not to pass the key to
5795                            // the application, just pass it to the session service.
5796
5797                            MediaSessionLegacyHelper.getHelper(mContext)
5798                                    .sendVolumeKeyEvent(event, false);
5799                            break;
5800                        }
5801                    }
5802                }
5803                if (mUseTvRouting) {
5804                    // On TVs, defer special key handlings to
5805                    // {@link interceptKeyBeforeDispatching()}.
5806                    result |= ACTION_PASS_TO_USER;
5807                } else if ((result & ACTION_PASS_TO_USER) == 0) {
5808                    // If we aren't passing to the user and no one else
5809                    // handled it send it to the session manager to
5810                    // figure out.
5811                    MediaSessionLegacyHelper.getHelper(mContext)
5812                            .sendVolumeKeyEvent(event, true);
5813                }
5814                break;
5815            }
5816
5817            case KeyEvent.KEYCODE_ENDCALL: {
5818                result &= ~ACTION_PASS_TO_USER;
5819                if (down) {
5820                    TelecomManager telecomManager = getTelecommService();
5821                    boolean hungUp = false;
5822                    if (telecomManager != null) {
5823                        hungUp = telecomManager.endCall();
5824                    }
5825                    if (interactive && !hungUp) {
5826                        mEndCallKeyHandled = false;
5827                        mHandler.postDelayed(mEndCallLongPress,
5828                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
5829                    } else {
5830                        mEndCallKeyHandled = true;
5831                    }
5832                } else {
5833                    if (!mEndCallKeyHandled) {
5834                        mHandler.removeCallbacks(mEndCallLongPress);
5835                        if (!canceled) {
5836                            if ((mEndcallBehavior
5837                                    & Settings.System.END_BUTTON_BEHAVIOR_HOME) != 0) {
5838                                if (goHome()) {
5839                                    break;
5840                                }
5841                            }
5842                            if ((mEndcallBehavior
5843                                    & Settings.System.END_BUTTON_BEHAVIOR_SLEEP) != 0) {
5844                                mPowerManager.goToSleep(event.getEventTime(),
5845                                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
5846                                isWakeKey = false;
5847                            }
5848                        }
5849                    }
5850                }
5851                break;
5852            }
5853
5854            case KeyEvent.KEYCODE_POWER: {
5855                result &= ~ACTION_PASS_TO_USER;
5856                isWakeKey = false; // wake-up will be handled separately
5857                if (down) {
5858                    interceptPowerKeyDown(event, interactive);
5859                } else {
5860                    interceptPowerKeyUp(event, interactive, canceled);
5861                }
5862                break;
5863            }
5864
5865            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_DOWN:
5866                // fall through
5867            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_UP:
5868                // fall through
5869            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_LEFT:
5870                // fall through
5871            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_RIGHT: {
5872                result &= ~ACTION_PASS_TO_USER;
5873                interceptSystemNavigationKey(event);
5874                break;
5875            }
5876
5877            case KeyEvent.KEYCODE_SLEEP: {
5878                result &= ~ACTION_PASS_TO_USER;
5879                isWakeKey = false;
5880                if (!mPowerManager.isInteractive()) {
5881                    useHapticFeedback = false; // suppress feedback if already non-interactive
5882                }
5883                if (down) {
5884                    sleepPress(event.getEventTime());
5885                } else {
5886                    sleepRelease(event.getEventTime());
5887                }
5888                break;
5889            }
5890
5891            case KeyEvent.KEYCODE_SOFT_SLEEP: {
5892                result &= ~ACTION_PASS_TO_USER;
5893                isWakeKey = false;
5894                if (!down) {
5895                    mPowerManagerInternal.setUserInactiveOverrideFromWindowManager();
5896                }
5897                break;
5898            }
5899
5900            case KeyEvent.KEYCODE_WAKEUP: {
5901                result &= ~ACTION_PASS_TO_USER;
5902                isWakeKey = true;
5903                break;
5904            }
5905
5906            case KeyEvent.KEYCODE_MEDIA_PLAY:
5907            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5908            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5909            case KeyEvent.KEYCODE_HEADSETHOOK:
5910            case KeyEvent.KEYCODE_MUTE:
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                if (MediaSessionLegacyHelper.getHelper(mContext).isGlobalPriorityActive()) {
5919                    // If the global session is active pass all media keys to it
5920                    // instead of the active window.
5921                    result &= ~ACTION_PASS_TO_USER;
5922                }
5923                if ((result & ACTION_PASS_TO_USER) == 0) {
5924                    // Only do this if we would otherwise not pass it to the user. In that
5925                    // case, the PhoneWindow class will do the same thing, except it will
5926                    // only do it if the showing app doesn't process the key on its own.
5927                    // Note that we need to make a copy of the key event here because the
5928                    // original key event will be recycled when we return.
5929                    mBroadcastWakeLock.acquire();
5930                    Message msg = mHandler.obtainMessage(MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK,
5931                            new KeyEvent(event));
5932                    msg.setAsynchronous(true);
5933                    msg.sendToTarget();
5934                }
5935                break;
5936            }
5937
5938            case KeyEvent.KEYCODE_CALL: {
5939                if (down) {
5940                    TelecomManager telecomManager = getTelecommService();
5941                    if (telecomManager != null) {
5942                        if (telecomManager.isRinging()) {
5943                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5944                                  + " CALL key-down while ringing: Answer the call!");
5945                            telecomManager.acceptRingingCall();
5946
5947                            // And *don't* pass this key thru to the current activity
5948                            // (which is presumably the InCallScreen.)
5949                            result &= ~ACTION_PASS_TO_USER;
5950                        }
5951                    }
5952                }
5953                break;
5954            }
5955            case KeyEvent.KEYCODE_VOICE_ASSIST: {
5956                // Only do this if we would otherwise not pass it to the user. In that case,
5957                // interceptKeyBeforeDispatching would apply a similar but different policy in
5958                // order to invoke voice assist actions. Note that we need to make a copy of the
5959                // key event here because the original key event will be recycled when we return.
5960                if ((result & ACTION_PASS_TO_USER) == 0 && !down) {
5961                    mBroadcastWakeLock.acquire();
5962                    Message msg = mHandler.obtainMessage(MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK,
5963                            keyguardActive ? 1 : 0, 0);
5964                    msg.setAsynchronous(true);
5965                    msg.sendToTarget();
5966                }
5967                break;
5968            }
5969            case KeyEvent.KEYCODE_WINDOW: {
5970                if (mShortPressWindowBehavior == SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE) {
5971                    if (mTvPictureInPictureVisible) {
5972                        // Consumes the key only if picture-in-picture is visible
5973                        // to show picture-in-picture control menu.
5974                        // This gives a chance to the foreground activity
5975                        // to customize PIP key behavior.
5976                        if (!down) {
5977                            showTvPictureInPictureMenu(event);
5978                        }
5979                        result &= ~ACTION_PASS_TO_USER;
5980                    }
5981                }
5982                break;
5983            }
5984        }
5985
5986        if (useHapticFeedback) {
5987            performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
5988        }
5989
5990        if (isWakeKey) {
5991            wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5992        }
5993
5994        return result;
5995    }
5996
5997    /**
5998     * Handle statusbar expansion events.
5999     * @param event
6000     */
6001    private void interceptSystemNavigationKey(KeyEvent event) {
6002        if (event.getAction() == KeyEvent.ACTION_UP && areSystemNavigationKeysEnabled()) {
6003            IStatusBarService sbar = getStatusBarService();
6004            if (sbar != null) {
6005                try {
6006                    sbar.handleSystemNavigationKey(event.getKeyCode());
6007                } catch (RemoteException e1) {
6008                    // oops, no statusbar. Ignore event.
6009                }
6010            }
6011        }
6012    }
6013
6014    /**
6015     * Returns true if the key can have global actions attached to it.
6016     * We reserve all power management keys for the system since they require
6017     * very careful handling.
6018     */
6019    private static boolean isValidGlobalKey(int keyCode) {
6020        switch (keyCode) {
6021            case KeyEvent.KEYCODE_POWER:
6022            case KeyEvent.KEYCODE_WAKEUP:
6023            case KeyEvent.KEYCODE_SLEEP:
6024                return false;
6025            default:
6026                return true;
6027        }
6028    }
6029
6030    /**
6031     * When the screen is off we ignore some keys that might otherwise typically
6032     * be considered wake keys.  We filter them out here.
6033     *
6034     * {@link KeyEvent#KEYCODE_POWER} is notably absent from this list because it
6035     * is always considered a wake key.
6036     */
6037    private boolean isWakeKeyWhenScreenOff(int keyCode) {
6038        switch (keyCode) {
6039            // ignore volume keys unless docked
6040            case KeyEvent.KEYCODE_VOLUME_UP:
6041            case KeyEvent.KEYCODE_VOLUME_DOWN:
6042            case KeyEvent.KEYCODE_VOLUME_MUTE:
6043                return mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;
6044
6045            // ignore media and camera keys
6046            case KeyEvent.KEYCODE_MUTE:
6047            case KeyEvent.KEYCODE_HEADSETHOOK:
6048            case KeyEvent.KEYCODE_MEDIA_PLAY:
6049            case KeyEvent.KEYCODE_MEDIA_PAUSE:
6050            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
6051            case KeyEvent.KEYCODE_MEDIA_STOP:
6052            case KeyEvent.KEYCODE_MEDIA_NEXT:
6053            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
6054            case KeyEvent.KEYCODE_MEDIA_REWIND:
6055            case KeyEvent.KEYCODE_MEDIA_RECORD:
6056            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
6057            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK:
6058            case KeyEvent.KEYCODE_CAMERA:
6059                return false;
6060        }
6061        return true;
6062    }
6063
6064
6065    /** {@inheritDoc} */
6066    @Override
6067    public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) {
6068        if ((policyFlags & FLAG_WAKE) != 0) {
6069            if (wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotion,
6070                    "android.policy:MOTION")) {
6071                return 0;
6072            }
6073        }
6074
6075        if (shouldDispatchInputWhenNonInteractive(null)) {
6076            return ACTION_PASS_TO_USER;
6077        }
6078
6079        // If we have not passed the action up and we are in theater mode without dreaming,
6080        // there will be no dream to intercept the touch and wake into ambient.  The device should
6081        // wake up in this case.
6082        if (isTheaterModeEnabled() && (policyFlags & FLAG_WAKE) != 0) {
6083            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotionWhenNotDreaming,
6084                    "android.policy:MOTION");
6085        }
6086
6087        return 0;
6088    }
6089
6090    private boolean shouldDispatchInputWhenNonInteractive(KeyEvent event) {
6091        final boolean displayOff = (mDisplay == null || mDisplay.getState() == Display.STATE_OFF);
6092
6093        if (displayOff && !mHasFeatureWatch) {
6094            return false;
6095        }
6096
6097        // Send events to keyguard while the screen is on and it's showing.
6098        if (isKeyguardShowingAndNotOccluded() && !displayOff) {
6099            return true;
6100        }
6101
6102        // Watches handle BACK specially
6103        if (mHasFeatureWatch
6104                && event != null
6105                && (event.getKeyCode() == KeyEvent.KEYCODE_BACK
6106                        || event.getKeyCode() == KeyEvent.KEYCODE_STEM_PRIMARY)) {
6107            return false;
6108        }
6109
6110        // Send events to a dozing dream even if the screen is off since the dream
6111        // is in control of the state of the screen.
6112        IDreamManager dreamManager = getDreamManager();
6113
6114        try {
6115            if (dreamManager != null && dreamManager.isDreaming()) {
6116                return true;
6117            }
6118        } catch (RemoteException e) {
6119            Slog.e(TAG, "RemoteException when checking if dreaming", e);
6120        }
6121
6122        // Otherwise, consume events since the user can't see what is being
6123        // interacted with.
6124        return false;
6125    }
6126
6127    private void dispatchDirectAudioEvent(KeyEvent event) {
6128        if (event.getAction() != KeyEvent.ACTION_DOWN) {
6129            return;
6130        }
6131        int keyCode = event.getKeyCode();
6132        int flags = AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_PLAY_SOUND
6133                | AudioManager.FLAG_FROM_KEY;
6134        String pkgName = mContext.getOpPackageName();
6135        switch (keyCode) {
6136            case KeyEvent.KEYCODE_VOLUME_UP:
6137                try {
6138                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_RAISE,
6139                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6140                } catch (RemoteException e) {
6141                    Log.e(TAG, "Error dispatching volume up in dispatchTvAudioEvent.", e);
6142                }
6143                break;
6144            case KeyEvent.KEYCODE_VOLUME_DOWN:
6145                try {
6146                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_LOWER,
6147                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6148                } catch (RemoteException e) {
6149                    Log.e(TAG, "Error dispatching volume down in dispatchTvAudioEvent.", e);
6150                }
6151                break;
6152            case KeyEvent.KEYCODE_VOLUME_MUTE:
6153                try {
6154                    if (event.getRepeatCount() == 0) {
6155                        getAudioService().adjustSuggestedStreamVolume(
6156                                AudioManager.ADJUST_TOGGLE_MUTE,
6157                                AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6158                    }
6159                } catch (RemoteException e) {
6160                    Log.e(TAG, "Error dispatching mute in dispatchTvAudioEvent.", e);
6161                }
6162                break;
6163        }
6164    }
6165
6166    void dispatchMediaKeyWithWakeLock(KeyEvent event) {
6167        if (DEBUG_INPUT) {
6168            Slog.d(TAG, "dispatchMediaKeyWithWakeLock: " + event);
6169        }
6170
6171        if (mHavePendingMediaKeyRepeatWithWakeLock) {
6172            if (DEBUG_INPUT) {
6173                Slog.d(TAG, "dispatchMediaKeyWithWakeLock: canceled repeat");
6174            }
6175
6176            mHandler.removeMessages(MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK);
6177            mHavePendingMediaKeyRepeatWithWakeLock = false;
6178            mBroadcastWakeLock.release(); // pending repeat was holding onto the wake lock
6179        }
6180
6181        dispatchMediaKeyWithWakeLockToAudioService(event);
6182
6183        if (event.getAction() == KeyEvent.ACTION_DOWN
6184                && event.getRepeatCount() == 0) {
6185            mHavePendingMediaKeyRepeatWithWakeLock = true;
6186
6187            Message msg = mHandler.obtainMessage(
6188                    MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK, event);
6189            msg.setAsynchronous(true);
6190            mHandler.sendMessageDelayed(msg, ViewConfiguration.getKeyRepeatTimeout());
6191        } else {
6192            mBroadcastWakeLock.release();
6193        }
6194    }
6195
6196    void dispatchMediaKeyRepeatWithWakeLock(KeyEvent event) {
6197        mHavePendingMediaKeyRepeatWithWakeLock = false;
6198
6199        KeyEvent repeatEvent = KeyEvent.changeTimeRepeat(event,
6200                SystemClock.uptimeMillis(), 1, event.getFlags() | KeyEvent.FLAG_LONG_PRESS);
6201        if (DEBUG_INPUT) {
6202            Slog.d(TAG, "dispatchMediaKeyRepeatWithWakeLock: " + repeatEvent);
6203        }
6204
6205        dispatchMediaKeyWithWakeLockToAudioService(repeatEvent);
6206        mBroadcastWakeLock.release();
6207    }
6208
6209    void dispatchMediaKeyWithWakeLockToAudioService(KeyEvent event) {
6210        if (ActivityManagerNative.isSystemReady()) {
6211            MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(event, true);
6212        }
6213    }
6214
6215    void launchVoiceAssistWithWakeLock(boolean keyguardActive) {
6216        IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
6217                ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
6218        if (dic != null) {
6219            try {
6220                dic.exitIdle("voice-search");
6221            } catch (RemoteException e) {
6222            }
6223        }
6224        Intent voiceIntent =
6225            new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
6226        voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, keyguardActive);
6227        startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
6228        mBroadcastWakeLock.release();
6229    }
6230
6231    BroadcastReceiver mDockReceiver = new BroadcastReceiver() {
6232        @Override
6233        public void onReceive(Context context, Intent intent) {
6234            if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
6235                mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
6236                        Intent.EXTRA_DOCK_STATE_UNDOCKED);
6237            } else {
6238                try {
6239                    IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
6240                            ServiceManager.getService(Context.UI_MODE_SERVICE));
6241                    mUiMode = uiModeService.getCurrentModeType();
6242                } catch (RemoteException e) {
6243                }
6244            }
6245            updateRotation(true);
6246            synchronized (mLock) {
6247                updateOrientationListenerLp();
6248            }
6249        }
6250    };
6251
6252    BroadcastReceiver mDreamReceiver = new BroadcastReceiver() {
6253        @Override
6254        public void onReceive(Context context, Intent intent) {
6255            if (Intent.ACTION_DREAMING_STARTED.equals(intent.getAction())) {
6256                if (mKeyguardDelegate != null) {
6257                    mKeyguardDelegate.onDreamingStarted();
6258                }
6259            } else if (Intent.ACTION_DREAMING_STOPPED.equals(intent.getAction())) {
6260                if (mKeyguardDelegate != null) {
6261                    mKeyguardDelegate.onDreamingStopped();
6262                }
6263            }
6264        }
6265    };
6266
6267    BroadcastReceiver mMultiuserReceiver = new BroadcastReceiver() {
6268        @Override
6269        public void onReceive(Context context, Intent intent) {
6270            if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) {
6271                // tickle the settings observer: this first ensures that we're
6272                // observing the relevant settings for the newly-active user,
6273                // and then updates our own bookkeeping based on the now-
6274                // current user.
6275                mSettingsObserver.onChange(false);
6276
6277                // force a re-application of focused window sysui visibility.
6278                // the window may never have been shown for this user
6279                // e.g. the keyguard when going through the new-user setup flow
6280                synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6281                    mLastSystemUiFlags = 0;
6282                    updateSystemUiVisibilityLw();
6283                }
6284            }
6285        }
6286    };
6287
6288    private final Runnable mHiddenNavPanic = new Runnable() {
6289        @Override
6290        public void run() {
6291            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6292                if (!isUserSetupComplete()) {
6293                    // Swipe-up for navigation bar is disabled during setup
6294                    return;
6295                }
6296                mPendingPanicGestureUptime = SystemClock.uptimeMillis();
6297                if (!isNavBarEmpty(mLastSystemUiFlags)) {
6298                    mNavigationBarController.showTransient();
6299                }
6300            }
6301        }
6302    };
6303
6304    private void requestTransientBars(WindowState swipeTarget) {
6305        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6306            if (!isUserSetupComplete()) {
6307                // Swipe-up for navigation bar is disabled during setup
6308                return;
6309            }
6310            boolean sb = mStatusBarController.checkShowTransientBarLw();
6311            boolean nb = mNavigationBarController.checkShowTransientBarLw()
6312                    && !isNavBarEmpty(mLastSystemUiFlags);
6313            if (sb || nb) {
6314                // Don't show status bar when swiping on already visible navigation bar
6315                if (!nb && swipeTarget == mNavigationBar) {
6316                    if (DEBUG) Slog.d(TAG, "Not showing transient bar, wrong swipe target");
6317                    return;
6318                }
6319                if (sb) mStatusBarController.showTransient();
6320                if (nb) mNavigationBarController.showTransient();
6321                mImmersiveModeConfirmation.confirmCurrentPrompt();
6322                updateSystemUiVisibilityLw();
6323            }
6324        }
6325    }
6326
6327    // Called on the PowerManager's Notifier thread.
6328    @Override
6329    public void startedGoingToSleep(int why) {
6330        if (DEBUG_WAKEUP) Slog.i(TAG, "Started going to sleep... (why=" + why + ")");
6331        mCameraGestureTriggeredDuringGoingToSleep = false;
6332        mGoingToSleep = true;
6333        if (mKeyguardDelegate != null) {
6334            mKeyguardDelegate.onStartedGoingToSleep(why);
6335        }
6336    }
6337
6338    // Called on the PowerManager's Notifier thread.
6339    @Override
6340    public void finishedGoingToSleep(int why) {
6341        EventLog.writeEvent(70000, 0);
6342        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished going to sleep... (why=" + why + ")");
6343        MetricsLogger.histogram(mContext, "screen_timeout", mLockScreenTimeout / 1000);
6344
6345        mGoingToSleep = false;
6346
6347        // We must get this work done here because the power manager will drop
6348        // the wake lock and let the system suspend once this function returns.
6349        synchronized (mLock) {
6350            mAwake = false;
6351            updateWakeGestureListenerLp();
6352            updateOrientationListenerLp();
6353            updateLockScreenTimeout();
6354        }
6355        if (mKeyguardDelegate != null) {
6356            mKeyguardDelegate.onFinishedGoingToSleep(why,
6357                    mCameraGestureTriggeredDuringGoingToSleep);
6358        }
6359        mCameraGestureTriggeredDuringGoingToSleep = false;
6360    }
6361
6362    // Called on the PowerManager's Notifier thread.
6363    @Override
6364    public void startedWakingUp() {
6365        EventLog.writeEvent(70000, 1);
6366        if (DEBUG_WAKEUP) Slog.i(TAG, "Started waking up...");
6367
6368        // Since goToSleep performs these functions synchronously, we must
6369        // do the same here.  We cannot post this work to a handler because
6370        // that might cause it to become reordered with respect to what
6371        // may happen in a future call to goToSleep.
6372        synchronized (mLock) {
6373            mAwake = true;
6374
6375            updateWakeGestureListenerLp();
6376            updateOrientationListenerLp();
6377            updateLockScreenTimeout();
6378        }
6379
6380        if (mKeyguardDelegate != null) {
6381            mKeyguardDelegate.onStartedWakingUp();
6382        }
6383    }
6384
6385    // Called on the PowerManager's Notifier thread.
6386    @Override
6387    public void finishedWakingUp() {
6388        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished waking up...");
6389    }
6390
6391    private void wakeUpFromPowerKey(long eventTime) {
6392        wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey, "android.policy:POWER");
6393    }
6394
6395    private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode, String reason) {
6396        final boolean theaterModeEnabled = isTheaterModeEnabled();
6397        if (!wakeInTheaterMode && theaterModeEnabled) {
6398            return false;
6399        }
6400
6401        if (theaterModeEnabled) {
6402            Settings.Global.putInt(mContext.getContentResolver(),
6403                    Settings.Global.THEATER_MODE_ON, 0);
6404        }
6405
6406        mPowerManager.wakeUp(wakeTime, reason);
6407        return true;
6408    }
6409
6410    private void finishKeyguardDrawn() {
6411        synchronized (mLock) {
6412            if (!mScreenOnEarly || mKeyguardDrawComplete) {
6413                return; // We are not awake yet or we have already informed of this event.
6414            }
6415
6416            mKeyguardDrawComplete = true;
6417            if (mKeyguardDelegate != null) {
6418                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
6419            }
6420            mWindowManagerDrawComplete = false;
6421        }
6422
6423        // ... eventually calls finishWindowsDrawn which will finalize our screen turn on
6424        // as well as enabling the orientation change logic/sensor.
6425        mWindowManagerInternal.waitForAllWindowsDrawn(mWindowManagerDrawCallback,
6426                WAITING_FOR_DRAWN_TIMEOUT);
6427    }
6428
6429    // Called on the DisplayManager's DisplayPowerController thread.
6430    @Override
6431    public void screenTurnedOff() {
6432        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turned off...");
6433
6434        updateScreenOffSleepToken(true);
6435        synchronized (mLock) {
6436            mScreenOnEarly = false;
6437            mScreenOnFully = false;
6438            mKeyguardDrawComplete = false;
6439            mWindowManagerDrawComplete = false;
6440            mScreenOnListener = null;
6441            updateOrientationListenerLp();
6442
6443            if (mKeyguardDelegate != null) {
6444                mKeyguardDelegate.onScreenTurnedOff();
6445            }
6446        }
6447    }
6448
6449    // Called on the DisplayManager's DisplayPowerController thread.
6450    @Override
6451    public void screenTurningOn(final ScreenOnListener screenOnListener) {
6452        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turning on...");
6453
6454        updateScreenOffSleepToken(false);
6455        synchronized (mLock) {
6456            mScreenOnEarly = true;
6457            mScreenOnFully = false;
6458            mKeyguardDrawComplete = false;
6459            mWindowManagerDrawComplete = false;
6460            mScreenOnListener = screenOnListener;
6461
6462            if (mKeyguardDelegate != null) {
6463                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
6464                mHandler.sendEmptyMessageDelayed(MSG_KEYGUARD_DRAWN_TIMEOUT, 1000);
6465                mKeyguardDelegate.onScreenTurningOn(mKeyguardDrawnCallback);
6466            } else {
6467                if (DEBUG_WAKEUP) Slog.d(TAG,
6468                        "null mKeyguardDelegate: setting mKeyguardDrawComplete.");
6469                finishKeyguardDrawn();
6470            }
6471        }
6472    }
6473
6474    // Called on the DisplayManager's DisplayPowerController thread.
6475    @Override
6476    public void screenTurnedOn() {
6477        synchronized (mLock) {
6478            if (mKeyguardDelegate != null) {
6479                mKeyguardDelegate.onScreenTurnedOn();
6480            }
6481        }
6482    }
6483
6484    private void finishWindowsDrawn() {
6485        synchronized (mLock) {
6486            if (!mScreenOnEarly || mWindowManagerDrawComplete) {
6487                return; // Screen is not turned on or we did already handle this case earlier.
6488            }
6489
6490            mWindowManagerDrawComplete = true;
6491        }
6492
6493        finishScreenTurningOn();
6494    }
6495
6496    private void finishScreenTurningOn() {
6497        synchronized (mLock) {
6498            // We have just finished drawing screen content. Since the orientation listener
6499            // gets only installed when all windows are drawn, we try to install it again.
6500            updateOrientationListenerLp();
6501        }
6502        final ScreenOnListener listener;
6503        final boolean enableScreen;
6504        synchronized (mLock) {
6505            if (DEBUG_WAKEUP) Slog.d(TAG,
6506                    "finishScreenTurningOn: mAwake=" + mAwake
6507                            + ", mScreenOnEarly=" + mScreenOnEarly
6508                            + ", mScreenOnFully=" + mScreenOnFully
6509                            + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
6510                            + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
6511
6512            if (mScreenOnFully || !mScreenOnEarly || !mWindowManagerDrawComplete
6513                    || (mAwake && !mKeyguardDrawComplete)) {
6514                return; // spurious or not ready yet
6515            }
6516
6517            if (DEBUG_WAKEUP) Slog.i(TAG, "Finished screen turning on...");
6518            listener = mScreenOnListener;
6519            mScreenOnListener = null;
6520            mScreenOnFully = true;
6521
6522            // Remember the first time we draw the keyguard so we know when we're done with
6523            // the main part of booting and can enable the screen and hide boot messages.
6524            if (!mKeyguardDrawnOnce && mAwake) {
6525                mKeyguardDrawnOnce = true;
6526                enableScreen = true;
6527                if (mBootMessageNeedsHiding) {
6528                    mBootMessageNeedsHiding = false;
6529                    hideBootMessages();
6530                }
6531            } else {
6532                enableScreen = false;
6533            }
6534        }
6535
6536        if (listener != null) {
6537            listener.onScreenOn();
6538        }
6539
6540        if (enableScreen) {
6541            try {
6542                mWindowManager.enableScreenIfNeeded();
6543            } catch (RemoteException unhandled) {
6544            }
6545        }
6546    }
6547
6548    private void handleHideBootMessage() {
6549        synchronized (mLock) {
6550            if (!mKeyguardDrawnOnce) {
6551                mBootMessageNeedsHiding = true;
6552                return; // keyguard hasn't drawn the first time yet, not done booting
6553            }
6554        }
6555
6556        if (mBootMsgDialog != null) {
6557            if (DEBUG_WAKEUP) Slog.d(TAG, "handleHideBootMessage: dismissing");
6558            mBootMsgDialog.dismiss();
6559            mBootMsgDialog = null;
6560        }
6561    }
6562
6563    @Override
6564    public boolean isScreenOn() {
6565        return mScreenOnFully;
6566    }
6567
6568    /** {@inheritDoc} */
6569    @Override
6570    public void enableKeyguard(boolean enabled) {
6571        if (mKeyguardDelegate != null) {
6572            mKeyguardDelegate.setKeyguardEnabled(enabled);
6573        }
6574    }
6575
6576    /** {@inheritDoc} */
6577    @Override
6578    public void exitKeyguardSecurely(OnKeyguardExitResult callback) {
6579        if (mKeyguardDelegate != null) {
6580            mKeyguardDelegate.verifyUnlock(callback);
6581        }
6582    }
6583
6584    @Override
6585    public boolean isKeyguardShowingAndNotOccluded() {
6586        if (mKeyguardDelegate == null) return false;
6587        return mKeyguardDelegate.isShowing() && !mKeyguardOccluded;
6588    }
6589
6590    /** {@inheritDoc} */
6591    @Override
6592    public boolean isKeyguardLocked() {
6593        return keyguardOn();
6594    }
6595
6596    /** {@inheritDoc} */
6597    @Override
6598    public boolean isKeyguardSecure(int userId) {
6599        if (mKeyguardDelegate == null) return false;
6600        return mKeyguardDelegate.isSecure(userId);
6601    }
6602
6603    /** {@inheritDoc} */
6604    @Override
6605    public boolean isKeyguardShowingOrOccluded() {
6606        return mKeyguardDelegate == null ? false : mKeyguardDelegate.isShowing();
6607    }
6608
6609    /** {@inheritDoc} */
6610    @Override
6611    public boolean inKeyguardRestrictedKeyInputMode() {
6612        if (mKeyguardDelegate == null) return false;
6613        return mKeyguardDelegate.isInputRestricted();
6614    }
6615
6616    @Override
6617    public void dismissKeyguardLw() {
6618        if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
6619            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.dismissKeyguardLw");
6620            mHandler.post(new Runnable() {
6621                @Override
6622                public void run() {
6623                    // ask the keyguard to prompt the user to authenticate if necessary
6624                    mKeyguardDelegate.dismiss(false /* allowWhileOccluded */);
6625                }
6626            });
6627        }
6628    }
6629
6630    @Override
6631    public void notifyActivityDrawnForKeyguardLw() {
6632        if (mKeyguardDelegate != null) {
6633            mHandler.post(new Runnable() {
6634                @Override
6635                public void run() {
6636                    mKeyguardDelegate.onActivityDrawn();
6637                }
6638            });
6639        }
6640    }
6641
6642    @Override
6643    public boolean isKeyguardDrawnLw() {
6644        synchronized (mLock) {
6645            return mKeyguardDrawnOnce;
6646        }
6647    }
6648
6649    @Override
6650    public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
6651        if (mKeyguardDelegate != null) {
6652            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.startKeyguardExitAnimation");
6653            mKeyguardDelegate.startKeyguardExitAnimation(startTime, fadeoutDuration);
6654        }
6655    }
6656
6657    @Override
6658    public void getStableInsetsLw(int displayRotation, int displayWidth, int displayHeight,
6659            Rect outInsets) {
6660        outInsets.setEmpty();
6661
6662        // Navigation bar and status bar.
6663        getNonDecorInsetsLw(displayRotation, displayWidth, displayHeight, outInsets);
6664        if (mStatusBar != null) {
6665            outInsets.top = mStatusBarHeight;
6666        }
6667    }
6668
6669    @Override
6670    public void getNonDecorInsetsLw(int displayRotation, int displayWidth, int displayHeight,
6671            Rect outInsets) {
6672        outInsets.setEmpty();
6673
6674        // Only navigation bar
6675        if (mNavigationBar != null) {
6676            int position = navigationBarPosition(displayWidth, displayHeight, displayRotation);
6677            if (position == NAV_BAR_BOTTOM) {
6678                outInsets.bottom = getNavigationBarHeight(displayRotation, mUiMode);
6679            } else if (position == NAV_BAR_RIGHT) {
6680                outInsets.right = getNavigationBarWidth(displayRotation, mUiMode);
6681            } else if (position == NAV_BAR_LEFT) {
6682                outInsets.left = getNavigationBarWidth(displayRotation, mUiMode);
6683            }
6684        }
6685    }
6686
6687    @Override
6688    public boolean isNavBarForcedShownLw(WindowState windowState) {
6689        return mForceShowSystemBars;
6690    }
6691
6692    @Override
6693    public boolean isDockSideAllowed(int dockSide) {
6694
6695        // We do not allow all dock sides at which the navigation bar touches the docked stack.
6696        if (!mNavigationBarCanMove) {
6697            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT || dockSide == DOCKED_RIGHT;
6698        } else {
6699            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT;
6700        }
6701    }
6702
6703    void sendCloseSystemWindows() {
6704        PhoneWindow.sendCloseSystemWindows(mContext, null);
6705    }
6706
6707    void sendCloseSystemWindows(String reason) {
6708        PhoneWindow.sendCloseSystemWindows(mContext, reason);
6709    }
6710
6711    @Override
6712    public int rotationForOrientationLw(int orientation, int lastRotation) {
6713        if (false) {
6714            Slog.v(TAG, "rotationForOrientationLw(orient="
6715                        + orientation + ", last=" + lastRotation
6716                        + "); user=" + mUserRotation + " "
6717                        + ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED)
6718                            ? "USER_ROTATION_LOCKED" : "")
6719                        );
6720        }
6721
6722        if (mForceDefaultOrientation) {
6723            return Surface.ROTATION_0;
6724        }
6725
6726        synchronized (mLock) {
6727            int sensorRotation = mOrientationListener.getProposedRotation(); // may be -1
6728            if (sensorRotation < 0) {
6729                sensorRotation = lastRotation;
6730            }
6731
6732            final int preferredRotation;
6733            if (mLidState == LID_OPEN && mLidOpenRotation >= 0) {
6734                // Ignore sensor when lid switch is open and rotation is forced.
6735                preferredRotation = mLidOpenRotation;
6736            } else if (mDockMode == Intent.EXTRA_DOCK_STATE_CAR
6737                    && (mCarDockEnablesAccelerometer || mCarDockRotation >= 0)) {
6738                // Ignore sensor when in car dock unless explicitly enabled.
6739                // This case can override the behavior of NOSENSOR, and can also
6740                // enable 180 degree rotation while docked.
6741                preferredRotation = mCarDockEnablesAccelerometer
6742                        ? sensorRotation : mCarDockRotation;
6743            } else if ((mDockMode == Intent.EXTRA_DOCK_STATE_DESK
6744                    || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
6745                    || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK)
6746                    && (mDeskDockEnablesAccelerometer || mDeskDockRotation >= 0)) {
6747                // Ignore sensor when in desk dock unless explicitly enabled.
6748                // This case can override the behavior of NOSENSOR, and can also
6749                // enable 180 degree rotation while docked.
6750                preferredRotation = mDeskDockEnablesAccelerometer
6751                        ? sensorRotation : mDeskDockRotation;
6752            } else if (mHdmiPlugged && mDemoHdmiRotationLock) {
6753                // Ignore sensor when plugged into HDMI when demo HDMI rotation lock enabled.
6754                // Note that the dock orientation overrides the HDMI orientation.
6755                preferredRotation = mDemoHdmiRotation;
6756            } else if (mHdmiPlugged && mDockMode == Intent.EXTRA_DOCK_STATE_UNDOCKED
6757                    && mUndockedHdmiRotation >= 0) {
6758                // Ignore sensor when plugged into HDMI and an undocked orientation has
6759                // been specified in the configuration (only for legacy devices without
6760                // full multi-display support).
6761                // Note that the dock orientation overrides the HDMI orientation.
6762                preferredRotation = mUndockedHdmiRotation;
6763            } else if (mDemoRotationLock) {
6764                // Ignore sensor when demo rotation lock is enabled.
6765                // Note that the dock orientation and HDMI rotation lock override this.
6766                preferredRotation = mDemoRotation;
6767            } else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {
6768                // Application just wants to remain locked in the last rotation.
6769                preferredRotation = lastRotation;
6770            } else if (!mSupportAutoRotation) {
6771                // If we don't support auto-rotation then bail out here and ignore
6772                // the sensor and any rotation lock settings.
6773                preferredRotation = -1;
6774            } else if ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE
6775                            && (orientation == ActivityInfo.SCREEN_ORIENTATION_USER
6776                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
6777                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
6778                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT
6779                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER))
6780                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
6781                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
6782                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE
6783                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) {
6784                // Otherwise, use sensor only if requested by the application or enabled
6785                // by default for USER or UNSPECIFIED modes.  Does not apply to NOSENSOR.
6786                if (mAllowAllRotations < 0) {
6787                    // Can't read this during init() because the context doesn't
6788                    // have display metrics at that time so we cannot determine
6789                    // tablet vs. phone then.
6790                    mAllowAllRotations = mContext.getResources().getBoolean(
6791                            com.android.internal.R.bool.config_allowAllRotations) ? 1 : 0;
6792                }
6793                if (sensorRotation != Surface.ROTATION_180
6794                        || mAllowAllRotations == 1
6795                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
6796                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER) {
6797                    preferredRotation = sensorRotation;
6798                } else {
6799                    preferredRotation = lastRotation;
6800                }
6801            } else if (mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED
6802                    && orientation != ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
6803                // Apply rotation lock.  Does not apply to NOSENSOR.
6804                // The idea is that the user rotation expresses a weak preference for the direction
6805                // of gravity and as NOSENSOR is never affected by gravity, then neither should
6806                // NOSENSOR be affected by rotation lock (although it will be affected by docks).
6807                preferredRotation = mUserRotation;
6808            } else {
6809                // No overriding preference.
6810                // We will do exactly what the application asked us to do.
6811                preferredRotation = -1;
6812            }
6813
6814            switch (orientation) {
6815                case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6816                    // Return portrait unless overridden.
6817                    if (isAnyPortrait(preferredRotation)) {
6818                        return preferredRotation;
6819                    }
6820                    return mPortraitRotation;
6821
6822                case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6823                    // Return landscape unless overridden.
6824                    if (isLandscapeOrSeascape(preferredRotation)) {
6825                        return preferredRotation;
6826                    }
6827                    return mLandscapeRotation;
6828
6829                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6830                    // Return reverse portrait unless overridden.
6831                    if (isAnyPortrait(preferredRotation)) {
6832                        return preferredRotation;
6833                    }
6834                    return mUpsideDownRotation;
6835
6836                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6837                    // Return seascape unless overridden.
6838                    if (isLandscapeOrSeascape(preferredRotation)) {
6839                        return preferredRotation;
6840                    }
6841                    return mSeascapeRotation;
6842
6843                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6844                case ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE:
6845                    // Return either landscape rotation.
6846                    if (isLandscapeOrSeascape(preferredRotation)) {
6847                        return preferredRotation;
6848                    }
6849                    if (isLandscapeOrSeascape(lastRotation)) {
6850                        return lastRotation;
6851                    }
6852                    return mLandscapeRotation;
6853
6854                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6855                case ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT:
6856                    // Return either portrait rotation.
6857                    if (isAnyPortrait(preferredRotation)) {
6858                        return preferredRotation;
6859                    }
6860                    if (isAnyPortrait(lastRotation)) {
6861                        return lastRotation;
6862                    }
6863                    return mPortraitRotation;
6864
6865                default:
6866                    // For USER, UNSPECIFIED, NOSENSOR, SENSOR and FULL_SENSOR,
6867                    // just return the preferred orientation we already calculated.
6868                    if (preferredRotation >= 0) {
6869                        return preferredRotation;
6870                    }
6871                    return Surface.ROTATION_0;
6872            }
6873        }
6874    }
6875
6876    @Override
6877    public boolean rotationHasCompatibleMetricsLw(int orientation, int rotation) {
6878        switch (orientation) {
6879            case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6880            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6881            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6882                return isAnyPortrait(rotation);
6883
6884            case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6885            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6886            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6887                return isLandscapeOrSeascape(rotation);
6888
6889            default:
6890                return true;
6891        }
6892    }
6893
6894    @Override
6895    public void setRotationLw(int rotation) {
6896        mOrientationListener.setCurrentRotation(rotation);
6897    }
6898
6899    private boolean isLandscapeOrSeascape(int rotation) {
6900        return rotation == mLandscapeRotation || rotation == mSeascapeRotation;
6901    }
6902
6903    private boolean isAnyPortrait(int rotation) {
6904        return rotation == mPortraitRotation || rotation == mUpsideDownRotation;
6905    }
6906
6907    @Override
6908    public int getUserRotationMode() {
6909        return Settings.System.getIntForUser(mContext.getContentResolver(),
6910                Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
6911                        WindowManagerPolicy.USER_ROTATION_FREE :
6912                                WindowManagerPolicy.USER_ROTATION_LOCKED;
6913    }
6914
6915    // User rotation: to be used when all else fails in assigning an orientation to the device
6916    @Override
6917    public void setUserRotationMode(int mode, int rot) {
6918        ContentResolver res = mContext.getContentResolver();
6919
6920        // mUserRotationMode and mUserRotation will be assigned by the content observer
6921        if (mode == WindowManagerPolicy.USER_ROTATION_LOCKED) {
6922            Settings.System.putIntForUser(res,
6923                    Settings.System.USER_ROTATION,
6924                    rot,
6925                    UserHandle.USER_CURRENT);
6926            Settings.System.putIntForUser(res,
6927                    Settings.System.ACCELEROMETER_ROTATION,
6928                    0,
6929                    UserHandle.USER_CURRENT);
6930        } else {
6931            Settings.System.putIntForUser(res,
6932                    Settings.System.ACCELEROMETER_ROTATION,
6933                    1,
6934                    UserHandle.USER_CURRENT);
6935        }
6936    }
6937
6938    @Override
6939    public void setSafeMode(boolean safeMode) {
6940        mSafeMode = safeMode;
6941        performHapticFeedbackLw(null, safeMode
6942                ? HapticFeedbackConstants.SAFE_MODE_ENABLED
6943                : HapticFeedbackConstants.SAFE_MODE_DISABLED, true);
6944    }
6945
6946    static long[] getLongIntArray(Resources r, int resid) {
6947        int[] ar = r.getIntArray(resid);
6948        if (ar == null) {
6949            return null;
6950        }
6951        long[] out = new long[ar.length];
6952        for (int i=0; i<ar.length; i++) {
6953            out[i] = ar[i];
6954        }
6955        return out;
6956    }
6957
6958    /** {@inheritDoc} */
6959    @Override
6960    public void systemReady() {
6961        mKeyguardDelegate = new KeyguardServiceDelegate(mContext);
6962        mKeyguardDelegate.onSystemReady();
6963
6964        readCameraLensCoverState();
6965        updateUiMode();
6966        boolean bindKeyguardNow;
6967        synchronized (mLock) {
6968            updateOrientationListenerLp();
6969            mSystemReady = true;
6970            mHandler.post(new Runnable() {
6971                @Override
6972                public void run() {
6973                    updateSettings();
6974                }
6975            });
6976
6977            bindKeyguardNow = mDeferBindKeyguard;
6978            if (bindKeyguardNow) {
6979                // systemBooted ran but wasn't able to bind to the Keyguard, we'll do it now.
6980                mDeferBindKeyguard = false;
6981            }
6982        }
6983
6984        if (bindKeyguardNow) {
6985            mKeyguardDelegate.bindService(mContext);
6986            mKeyguardDelegate.onBootCompleted();
6987        }
6988        mSystemGestures.systemReady();
6989        mImmersiveModeConfirmation.systemReady();
6990    }
6991
6992    /** {@inheritDoc} */
6993    @Override
6994    public void systemBooted() {
6995        boolean bindKeyguardNow = false;
6996        synchronized (mLock) {
6997            // Time to bind Keyguard; take care to only bind it once, either here if ready or
6998            // in systemReady if not.
6999            if (mKeyguardDelegate != null) {
7000                bindKeyguardNow = true;
7001            } else {
7002                // Because mKeyguardDelegate is null, we know that the synchronized block in
7003                // systemReady didn't run yet and setting this will actually have an effect.
7004                mDeferBindKeyguard = true;
7005            }
7006        }
7007        if (bindKeyguardNow) {
7008            mKeyguardDelegate.bindService(mContext);
7009            mKeyguardDelegate.onBootCompleted();
7010        }
7011        synchronized (mLock) {
7012            mSystemBooted = true;
7013        }
7014        startedWakingUp();
7015        screenTurningOn(null);
7016        screenTurnedOn();
7017    }
7018
7019    ProgressDialog mBootMsgDialog = null;
7020
7021    /** {@inheritDoc} */
7022    @Override
7023    public void showBootMessage(final CharSequence msg, final boolean always) {
7024        mHandler.post(new Runnable() {
7025            @Override public void run() {
7026                if (mBootMsgDialog == null) {
7027                    int theme;
7028                    if (mContext.getPackageManager().hasSystemFeature(FEATURE_TELEVISION)) {
7029                        theme = com.android.internal.R.style.Theme_Leanback_Dialog_Alert;
7030                    } else {
7031                        theme = 0;
7032                    }
7033
7034                    mBootMsgDialog = new ProgressDialog(mContext, theme) {
7035                        // This dialog will consume all events coming in to
7036                        // it, to avoid it trying to do things too early in boot.
7037                        @Override public boolean dispatchKeyEvent(KeyEvent event) {
7038                            return true;
7039                        }
7040                        @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
7041                            return true;
7042                        }
7043                        @Override public boolean dispatchTouchEvent(MotionEvent ev) {
7044                            return true;
7045                        }
7046                        @Override public boolean dispatchTrackballEvent(MotionEvent ev) {
7047                            return true;
7048                        }
7049                        @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) {
7050                            return true;
7051                        }
7052                        @Override public boolean dispatchPopulateAccessibilityEvent(
7053                                AccessibilityEvent event) {
7054                            return true;
7055                        }
7056                    };
7057                    if (mContext.getPackageManager().isUpgrade()) {
7058                        mBootMsgDialog.setTitle(R.string.android_upgrading_title);
7059                    } else {
7060                        mBootMsgDialog.setTitle(R.string.android_start_title);
7061                    }
7062                    mBootMsgDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
7063                    mBootMsgDialog.setIndeterminate(true);
7064                    mBootMsgDialog.getWindow().setType(
7065                            WindowManager.LayoutParams.TYPE_BOOT_PROGRESS);
7066                    mBootMsgDialog.getWindow().addFlags(
7067                            WindowManager.LayoutParams.FLAG_DIM_BEHIND
7068                            | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
7069                    mBootMsgDialog.getWindow().setDimAmount(1);
7070                    WindowManager.LayoutParams lp = mBootMsgDialog.getWindow().getAttributes();
7071                    lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
7072                    mBootMsgDialog.getWindow().setAttributes(lp);
7073                    mBootMsgDialog.setCancelable(false);
7074                    mBootMsgDialog.show();
7075                }
7076                mBootMsgDialog.setMessage(msg);
7077            }
7078        });
7079    }
7080
7081    /** {@inheritDoc} */
7082    @Override
7083    public void hideBootMessages() {
7084        mHandler.sendEmptyMessage(MSG_HIDE_BOOT_MESSAGE);
7085    }
7086
7087    /** {@inheritDoc} */
7088    @Override
7089    public void userActivity() {
7090        // ***************************************
7091        // NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
7092        // ***************************************
7093        // THIS IS CALLED FROM DEEP IN THE POWER MANAGER
7094        // WITH ITS LOCKS HELD.
7095        //
7096        // This code must be VERY careful about the locks
7097        // it acquires.
7098        // In fact, the current code acquires way too many,
7099        // and probably has lurking deadlocks.
7100
7101        synchronized (mScreenLockTimeout) {
7102            if (mLockScreenTimerActive) {
7103                // reset the timer
7104                mHandler.removeCallbacks(mScreenLockTimeout);
7105                mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
7106            }
7107        }
7108    }
7109
7110    class ScreenLockTimeout implements Runnable {
7111        Bundle options;
7112
7113        @Override
7114        public void run() {
7115            synchronized (this) {
7116                if (localLOGV) Log.v(TAG, "mScreenLockTimeout activating keyguard");
7117                if (mKeyguardDelegate != null) {
7118                    mKeyguardDelegate.doKeyguardTimeout(options);
7119                }
7120                mLockScreenTimerActive = false;
7121                options = null;
7122            }
7123        }
7124
7125        public void setLockOptions(Bundle options) {
7126            this.options = options;
7127        }
7128    }
7129
7130    ScreenLockTimeout mScreenLockTimeout = new ScreenLockTimeout();
7131
7132    @Override
7133    public void lockNow(Bundle options) {
7134        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);
7135        mHandler.removeCallbacks(mScreenLockTimeout);
7136        if (options != null) {
7137            // In case multiple calls are made to lockNow, we don't wipe out the options
7138            // until the runnable actually executes.
7139            mScreenLockTimeout.setLockOptions(options);
7140        }
7141        mHandler.post(mScreenLockTimeout);
7142    }
7143
7144    private void updateLockScreenTimeout() {
7145        synchronized (mScreenLockTimeout) {
7146            boolean enable = (mAllowLockscreenWhenOn && mAwake &&
7147                    mKeyguardDelegate != null && mKeyguardDelegate.isSecure(mCurrentUserId));
7148            if (mLockScreenTimerActive != enable) {
7149                if (enable) {
7150                    if (localLOGV) Log.v(TAG, "setting lockscreen timer");
7151                    mHandler.removeCallbacks(mScreenLockTimeout); // remove any pending requests
7152                    mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
7153                } else {
7154                    if (localLOGV) Log.v(TAG, "clearing lockscreen timer");
7155                    mHandler.removeCallbacks(mScreenLockTimeout);
7156                }
7157                mLockScreenTimerActive = enable;
7158            }
7159        }
7160    }
7161
7162    private void updateDreamingSleepToken(boolean acquire) {
7163        if (acquire) {
7164            if (mDreamingSleepToken == null) {
7165                mDreamingSleepToken = mActivityManagerInternal.acquireSleepToken("Dream");
7166            }
7167        } else {
7168            if (mDreamingSleepToken != null) {
7169                mDreamingSleepToken.release();
7170                mDreamingSleepToken = null;
7171            }
7172        }
7173    }
7174
7175    private void updateScreenOffSleepToken(boolean acquire) {
7176        if (acquire) {
7177            if (mScreenOffSleepToken == null) {
7178                mScreenOffSleepToken = mActivityManagerInternal.acquireSleepToken("ScreenOff");
7179            }
7180        } else {
7181            if (mScreenOffSleepToken != null) {
7182                mScreenOffSleepToken.release();
7183                mScreenOffSleepToken = null;
7184            }
7185        }
7186    }
7187
7188    /** {@inheritDoc} */
7189    @Override
7190    public void enableScreenAfterBoot() {
7191        readLidState();
7192        applyLidSwitchState();
7193        updateRotation(true);
7194    }
7195
7196    private void applyLidSwitchState() {
7197        if (mLidState == LID_CLOSED && mLidControlsSleep) {
7198            mPowerManager.goToSleep(SystemClock.uptimeMillis(),
7199                    PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH,
7200                    PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
7201        } else if (mLidState == LID_CLOSED && mLidControlsScreenLock) {
7202            mWindowManagerFuncs.lockDeviceNow();
7203        }
7204
7205        synchronized (mLock) {
7206            updateWakeGestureListenerLp();
7207        }
7208    }
7209
7210    void updateUiMode() {
7211        if (mUiModeManager == null) {
7212            mUiModeManager = IUiModeManager.Stub.asInterface(
7213                    ServiceManager.getService(Context.UI_MODE_SERVICE));
7214        }
7215        try {
7216            mUiMode = mUiModeManager.getCurrentModeType();
7217        } catch (RemoteException e) {
7218        }
7219    }
7220
7221    void updateRotation(boolean alwaysSendConfiguration) {
7222        try {
7223            //set orientation on WindowManager
7224            mWindowManager.updateRotation(alwaysSendConfiguration, false);
7225        } catch (RemoteException e) {
7226            // Ignore
7227        }
7228    }
7229
7230    void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
7231        try {
7232            //set orientation on WindowManager
7233            mWindowManager.updateRotation(alwaysSendConfiguration, forceRelayout);
7234        } catch (RemoteException e) {
7235            // Ignore
7236        }
7237    }
7238
7239    /**
7240     * Return an Intent to launch the currently active dock app as home.  Returns
7241     * null if the standard home should be launched, which is the case if any of the following is
7242     * true:
7243     * <ul>
7244     *  <li>The device is not in either car mode or desk mode
7245     *  <li>The device is in car mode but mEnableCarDockHomeCapture is false
7246     *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
7247     *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
7248     *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
7249     * </ul>
7250     * @return A dock intent.
7251     */
7252    Intent createHomeDockIntent() {
7253        Intent intent = null;
7254
7255        // What home does is based on the mode, not the dock state.  That
7256        // is, when in car mode you should be taken to car home regardless
7257        // of whether we are actually in a car dock.
7258        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
7259            if (mEnableCarDockHomeCapture) {
7260                intent = mCarDockIntent;
7261            }
7262        } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
7263            if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
7264                intent = mDeskDockIntent;
7265            }
7266        } else if (mUiMode == Configuration.UI_MODE_TYPE_WATCH
7267                && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
7268                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK
7269                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK)) {
7270            // Always launch dock home from home when watch is docked, if it exists.
7271            intent = mDeskDockIntent;
7272        }
7273
7274        if (intent == null) {
7275            return null;
7276        }
7277
7278        ActivityInfo ai = null;
7279        ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(
7280                intent,
7281                PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_META_DATA,
7282                mCurrentUserId);
7283        if (info != null) {
7284            ai = info.activityInfo;
7285        }
7286        if (ai != null
7287                && ai.metaData != null
7288                && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
7289            intent = new Intent(intent);
7290            intent.setClassName(ai.packageName, ai.name);
7291            return intent;
7292        }
7293
7294        return null;
7295    }
7296
7297    void startDockOrHome(boolean fromHomeKey, boolean awakenFromDreams) {
7298        if (awakenFromDreams) {
7299            awakenDreams();
7300        }
7301
7302        Intent dock = createHomeDockIntent();
7303        if (dock != null) {
7304            try {
7305                if (fromHomeKey) {
7306                    dock.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
7307                }
7308                startActivityAsUser(dock, UserHandle.CURRENT);
7309                return;
7310            } catch (ActivityNotFoundException e) {
7311            }
7312        }
7313
7314        Intent intent;
7315
7316        if (fromHomeKey) {
7317            intent = new Intent(mHomeIntent);
7318            intent.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
7319        } else {
7320            intent = mHomeIntent;
7321        }
7322
7323        startActivityAsUser(intent, UserHandle.CURRENT);
7324    }
7325
7326    /**
7327     * goes to the home screen
7328     * @return whether it did anything
7329     */
7330    boolean goHome() {
7331        if (!isUserSetupComplete()) {
7332            Slog.i(TAG, "Not going home because user setup is in progress.");
7333            return false;
7334        }
7335        if (false) {
7336            // This code always brings home to the front.
7337            try {
7338                ActivityManagerNative.getDefault().stopAppSwitches();
7339            } catch (RemoteException e) {
7340            }
7341            sendCloseSystemWindows();
7342            startDockOrHome(false /*fromHomeKey*/, true /* awakenFromDreams */);
7343        } else {
7344            // This code brings home to the front or, if it is already
7345            // at the front, puts the device to sleep.
7346            try {
7347                if (SystemProperties.getInt("persist.sys.uts-test-mode", 0) == 1) {
7348                    /// Roll back EndcallBehavior as the cupcake design to pass P1 lab entry.
7349                    Log.d(TAG, "UTS-TEST-MODE");
7350                } else {
7351                    ActivityManagerNative.getDefault().stopAppSwitches();
7352                    sendCloseSystemWindows();
7353                    Intent dock = createHomeDockIntent();
7354                    if (dock != null) {
7355                        int result = ActivityManagerNative.getDefault()
7356                                .startActivityAsUser(null, null, dock,
7357                                        dock.resolveTypeIfNeeded(mContext.getContentResolver()),
7358                                        null, null, 0,
7359                                        ActivityManager.START_FLAG_ONLY_IF_NEEDED,
7360                                        null, null, UserHandle.USER_CURRENT);
7361                        if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
7362                            return false;
7363                        }
7364                    }
7365                }
7366                int result = ActivityManagerNative.getDefault()
7367                        .startActivityAsUser(null, null, mHomeIntent,
7368                                mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
7369                                null, null, 0,
7370                                ActivityManager.START_FLAG_ONLY_IF_NEEDED,
7371                                null, null, UserHandle.USER_CURRENT);
7372                if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
7373                    return false;
7374                }
7375            } catch (RemoteException ex) {
7376                // bummer, the activity manager, which is in this process, is dead
7377            }
7378        }
7379        return true;
7380    }
7381
7382    @Override
7383    public void setCurrentOrientationLw(int newOrientation) {
7384        synchronized (mLock) {
7385            if (newOrientation != mCurrentAppOrientation) {
7386                mCurrentAppOrientation = newOrientation;
7387                updateOrientationListenerLp();
7388            }
7389        }
7390    }
7391
7392    private void performAuditoryFeedbackForAccessibilityIfNeed() {
7393        if (!isGlobalAccessibilityGestureEnabled()) {
7394            return;
7395        }
7396        AudioManager audioManager = (AudioManager) mContext.getSystemService(
7397                Context.AUDIO_SERVICE);
7398        if (audioManager.isSilentMode()) {
7399            return;
7400        }
7401        Ringtone ringTone = RingtoneManager.getRingtone(mContext,
7402                Settings.System.DEFAULT_NOTIFICATION_URI);
7403        ringTone.setStreamType(AudioManager.STREAM_MUSIC);
7404        ringTone.play();
7405    }
7406
7407    private boolean isTheaterModeEnabled() {
7408        return Settings.Global.getInt(mContext.getContentResolver(),
7409                Settings.Global.THEATER_MODE_ON, 0) == 1;
7410    }
7411
7412    private boolean isGlobalAccessibilityGestureEnabled() {
7413        return Settings.Global.getInt(mContext.getContentResolver(),
7414                Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED, 0) == 1;
7415    }
7416
7417    private boolean areSystemNavigationKeysEnabled() {
7418        return Settings.Secure.getIntForUser(mContext.getContentResolver(),
7419                Settings.Secure.SYSTEM_NAVIGATION_KEYS_ENABLED, 0, UserHandle.USER_CURRENT) == 1;
7420    }
7421
7422    @Override
7423    public boolean performHapticFeedbackLw(WindowState win, int effectId, boolean always) {
7424        if (!mVibrator.hasVibrator()) {
7425            return false;
7426        }
7427        final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(),
7428                Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0;
7429        if (hapticsDisabled && !always) {
7430            return false;
7431        }
7432        long[] pattern = null;
7433        switch (effectId) {
7434            case HapticFeedbackConstants.LONG_PRESS:
7435                pattern = mLongPressVibePattern;
7436                break;
7437            case HapticFeedbackConstants.VIRTUAL_KEY:
7438                pattern = mVirtualKeyVibePattern;
7439                break;
7440            case HapticFeedbackConstants.KEYBOARD_TAP:
7441                pattern = mKeyboardTapVibePattern;
7442                break;
7443            case HapticFeedbackConstants.CLOCK_TICK:
7444                pattern = mClockTickVibePattern;
7445                break;
7446            case HapticFeedbackConstants.CALENDAR_DATE:
7447                pattern = mCalendarDateVibePattern;
7448                break;
7449            case HapticFeedbackConstants.SAFE_MODE_DISABLED:
7450                pattern = mSafeModeDisabledVibePattern;
7451                break;
7452            case HapticFeedbackConstants.SAFE_MODE_ENABLED:
7453                pattern = mSafeModeEnabledVibePattern;
7454                break;
7455            case HapticFeedbackConstants.CONTEXT_CLICK:
7456                pattern = mContextClickVibePattern;
7457                break;
7458            default:
7459                return false;
7460        }
7461        int owningUid;
7462        String owningPackage;
7463        if (win != null) {
7464            owningUid = win.getOwningUid();
7465            owningPackage = win.getOwningPackage();
7466        } else {
7467            owningUid = android.os.Process.myUid();
7468            owningPackage = mContext.getOpPackageName();
7469        }
7470        if (pattern.length == 1) {
7471            // One-shot vibration
7472            mVibrator.vibrate(owningUid, owningPackage, pattern[0], VIBRATION_ATTRIBUTES);
7473        } else {
7474            // Pattern vibration
7475            mVibrator.vibrate(owningUid, owningPackage, pattern, -1, VIBRATION_ATTRIBUTES);
7476        }
7477        return true;
7478    }
7479
7480    @Override
7481    public void keepScreenOnStartedLw() {
7482    }
7483
7484    @Override
7485    public void keepScreenOnStoppedLw() {
7486        if (isKeyguardShowingAndNotOccluded()) {
7487            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
7488        }
7489    }
7490
7491    private int updateSystemUiVisibilityLw() {
7492        // If there is no window focused, there will be nobody to handle the events
7493        // anyway, so just hang on in whatever state we're in until things settle down.
7494        final WindowState win = mFocusedWindow != null ? mFocusedWindow
7495                : mTopFullscreenOpaqueWindowState;
7496        if (win == null) {
7497            return 0;
7498        }
7499        if ((win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 && mHideLockScreen == true) {
7500            // We are updating at a point where the keyguard has gotten
7501            // focus, but we were last in a state where the top window is
7502            // hiding it.  This is probably because the keyguard as been
7503            // shown while the top window was displayed, so we want to ignore
7504            // it here because this is just a very transient change and it
7505            // will quickly lose focus once it correctly gets hidden.
7506            return 0;
7507        }
7508
7509        int tmpVisibility = PolicyControl.getSystemUiVisibility(win, null)
7510                & ~mResettingSystemUiFlags
7511                & ~mForceClearedSystemUiFlags;
7512        if (mForcingShowNavBar && win.getSurfaceLayer() < mForcingShowNavBarLayer) {
7513            tmpVisibility &= ~PolicyControl.adjustClearableFlags(win, View.SYSTEM_UI_CLEARABLE_FLAGS);
7514        }
7515
7516        final int fullscreenVisibility = updateLightStatusBarLw(0 /* vis */,
7517                mTopFullscreenOpaqueWindowState, mTopFullscreenOpaqueOrDimmingWindowState);
7518        final int dockedVisibility = updateLightStatusBarLw(0 /* vis */,
7519                mTopDockedOpaqueWindowState, mTopDockedOpaqueOrDimmingWindowState);
7520        mWindowManagerFuncs.getStackBounds(HOME_STACK_ID, mNonDockedStackBounds);
7521        mWindowManagerFuncs.getStackBounds(DOCKED_STACK_ID, mDockedStackBounds);
7522        final int visibility = updateSystemBarsLw(win, mLastSystemUiFlags, tmpVisibility);
7523        final int diff = visibility ^ mLastSystemUiFlags;
7524        final int fullscreenDiff = fullscreenVisibility ^ mLastFullscreenStackSysUiFlags;
7525        final int dockedDiff = dockedVisibility ^ mLastDockedStackSysUiFlags;
7526        final boolean needsMenu = win.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
7527        if (diff == 0 && fullscreenDiff == 0 && dockedDiff == 0 && mLastFocusNeedsMenu == needsMenu
7528                && mFocusedApp == win.getAppToken()
7529                && mLastNonDockedStackBounds.equals(mNonDockedStackBounds)
7530                && mLastDockedStackBounds.equals(mDockedStackBounds)) {
7531            return 0;
7532        }
7533        mLastSystemUiFlags = visibility;
7534        mLastFullscreenStackSysUiFlags = fullscreenVisibility;
7535        mLastDockedStackSysUiFlags = dockedVisibility;
7536        mLastFocusNeedsMenu = needsMenu;
7537        mFocusedApp = win.getAppToken();
7538        final Rect fullscreenStackBounds = new Rect(mNonDockedStackBounds);
7539        final Rect dockedStackBounds = new Rect(mDockedStackBounds);
7540        mHandler.post(new Runnable() {
7541                @Override
7542                public void run() {
7543                    StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
7544                    if (statusbar != null) {
7545                        statusbar.setSystemUiVisibility(visibility, fullscreenVisibility,
7546                                dockedVisibility, 0xffffffff, fullscreenStackBounds,
7547                                dockedStackBounds, win.toString());
7548                        statusbar.topAppWindowChanged(needsMenu);
7549                    }
7550                }
7551            });
7552        return diff;
7553    }
7554
7555    private int updateLightStatusBarLw(int vis, WindowState opaque, WindowState opaqueOrDimming) {
7556        WindowState statusColorWin = isStatusBarKeyguard() && !mHideLockScreen
7557                ? mStatusBar
7558                : opaqueOrDimming;
7559
7560        if (statusColorWin != null) {
7561            if (statusColorWin == opaque) {
7562                // If the top fullscreen-or-dimming window is also the top fullscreen, respect
7563                // its light flag.
7564                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7565                vis |= PolicyControl.getSystemUiVisibility(statusColorWin, null)
7566                        & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7567            } else if (statusColorWin != null && statusColorWin.isDimming()) {
7568                // Otherwise if it's dimming, clear the light flag.
7569                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7570            }
7571        }
7572        return vis;
7573    }
7574
7575    private boolean drawsSystemBarBackground(WindowState win) {
7576        return win == null || (win.getAttrs().flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0;
7577    }
7578
7579    private boolean forcesDrawStatusBarBackground(WindowState win) {
7580        return win == null || (win.getAttrs().privateFlags
7581                & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND) != 0;
7582    }
7583
7584    private int updateSystemBarsLw(WindowState win, int oldVis, int vis) {
7585        final boolean dockedStackVisible = mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID);
7586        final boolean freeformStackVisible =
7587                mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID);
7588        final boolean resizing = mWindowManagerInternal.isDockedDividerResizing();
7589
7590        // We need to force system bars when the docked stack is visible, when the freeform stack
7591        // is visible but also when we are resizing for the transitions when docked stack
7592        // visibility changes.
7593        mForceShowSystemBars = dockedStackVisible || freeformStackVisible || resizing;
7594        final boolean forceOpaqueStatusBar = mForceShowSystemBars && !mForceStatusBarFromKeyguard;
7595
7596        // apply translucent bar vis flags
7597        WindowState fullscreenTransWin = isStatusBarKeyguard() && !mHideLockScreen
7598                ? mStatusBar
7599                : mTopFullscreenOpaqueWindowState;
7600        vis = mStatusBarController.applyTranslucentFlagLw(fullscreenTransWin, vis, oldVis);
7601        vis = mNavigationBarController.applyTranslucentFlagLw(fullscreenTransWin, vis, oldVis);
7602        final int dockedVis = mStatusBarController.applyTranslucentFlagLw(
7603                mTopDockedOpaqueWindowState, 0, 0);
7604
7605        final boolean fullscreenDrawsStatusBarBackground =
7606                (drawsSystemBarBackground(mTopFullscreenOpaqueWindowState)
7607                        && (vis & View.STATUS_BAR_TRANSLUCENT) == 0)
7608                || forcesDrawStatusBarBackground(mTopFullscreenOpaqueWindowState);
7609        final boolean dockedDrawsStatusBarBackground =
7610                (drawsSystemBarBackground(mTopDockedOpaqueWindowState)
7611                        && (dockedVis & View.STATUS_BAR_TRANSLUCENT) == 0)
7612                || forcesDrawStatusBarBackground(mTopDockedOpaqueWindowState);
7613
7614        // prevent status bar interaction from clearing certain flags
7615        int type = win.getAttrs().type;
7616        boolean statusBarHasFocus = type == TYPE_STATUS_BAR;
7617        if (statusBarHasFocus && !isStatusBarKeyguard()) {
7618            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
7619                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
7620                    | View.SYSTEM_UI_FLAG_IMMERSIVE
7621                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
7622                    | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7623            if (mHideLockScreen) {
7624                flags |= View.STATUS_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSLUCENT;
7625            }
7626            vis = (vis & ~flags) | (oldVis & flags);
7627        }
7628
7629        if (fullscreenDrawsStatusBarBackground && dockedDrawsStatusBarBackground) {
7630            vis |= View.STATUS_BAR_TRANSPARENT;
7631            vis &= ~View.STATUS_BAR_TRANSLUCENT;
7632        } else if ((!areTranslucentBarsAllowed() && fullscreenTransWin != mStatusBar)
7633                || forceOpaqueStatusBar) {
7634            vis &= ~(View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT);
7635        }
7636
7637        vis = configureNavBarOpacity(vis, dockedStackVisible, freeformStackVisible, resizing);
7638
7639        // update status bar
7640        boolean immersiveSticky =
7641                (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
7642        final boolean hideStatusBarWM =
7643                mTopFullscreenOpaqueWindowState != null
7644                && (PolicyControl.getWindowFlags(mTopFullscreenOpaqueWindowState, null)
7645                        & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0;
7646        final boolean hideStatusBarSysui =
7647                (vis & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
7648        final boolean hideNavBarSysui =
7649                (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0;
7650
7651        final boolean transientStatusBarAllowed = mStatusBar != null
7652                && (statusBarHasFocus || (!mForceShowSystemBars
7653                        && (hideStatusBarWM || (hideStatusBarSysui && immersiveSticky))));
7654
7655        final boolean transientNavBarAllowed = mNavigationBar != null
7656                && !mForceShowSystemBars && hideNavBarSysui && immersiveSticky;
7657
7658        final long now = SystemClock.uptimeMillis();
7659        final boolean pendingPanic = mPendingPanicGestureUptime != 0
7660                && now - mPendingPanicGestureUptime <= PANIC_GESTURE_EXPIRATION;
7661        if (pendingPanic && hideNavBarSysui && !isStatusBarKeyguard() && mKeyguardDrawComplete) {
7662            // The user performed the panic gesture recently, we're about to hide the bars,
7663            // we're no longer on the Keyguard and the screen is ready. We can now request the bars.
7664            mPendingPanicGestureUptime = 0;
7665            mStatusBarController.showTransient();
7666            if (!isNavBarEmpty(vis)) {
7667                mNavigationBarController.showTransient();
7668            }
7669        }
7670
7671        final boolean denyTransientStatus = mStatusBarController.isTransientShowRequested()
7672                && !transientStatusBarAllowed && hideStatusBarSysui;
7673        final boolean denyTransientNav = mNavigationBarController.isTransientShowRequested()
7674                && !transientNavBarAllowed;
7675        if (denyTransientStatus || denyTransientNav || mForceShowSystemBars) {
7676            // clear the clearable flags instead
7677            clearClearableFlagsLw();
7678            vis &= ~View.SYSTEM_UI_CLEARABLE_FLAGS;
7679        }
7680
7681        final boolean immersive = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
7682        immersiveSticky = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
7683        final boolean navAllowedHidden = immersive || immersiveSticky;
7684
7685        if (hideNavBarSysui && !navAllowedHidden && windowTypeToLayerLw(win.getBaseType())
7686                > windowTypeToLayerLw(TYPE_INPUT_CONSUMER)) {
7687            // We can't hide the navbar from this window otherwise the input consumer would not get
7688            // the input events.
7689            vis = (vis & ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
7690        }
7691
7692        vis = mStatusBarController.updateVisibilityLw(transientStatusBarAllowed, oldVis, vis);
7693
7694        // update navigation bar
7695        boolean oldImmersiveMode = isImmersiveMode(oldVis);
7696        boolean newImmersiveMode = isImmersiveMode(vis);
7697        if (win != null && oldImmersiveMode != newImmersiveMode) {
7698            final String pkg = win.getOwningPackage();
7699            mImmersiveModeConfirmation.immersiveModeChangedLw(pkg, newImmersiveMode,
7700                    isUserSetupComplete(), isNavBarEmpty(win.getSystemUiVisibility()));
7701        }
7702
7703        vis = mNavigationBarController.updateVisibilityLw(transientNavBarAllowed, oldVis, vis);
7704
7705        return vis;
7706    }
7707
7708    /**
7709     * @return the current visibility flags with the nav-bar opacity related flags toggled based
7710     *         on the nav bar opacity rules chosen by {@link #mNavBarOpacityMode}.
7711     */
7712    private int configureNavBarOpacity(int visibility, boolean dockedStackVisible,
7713            boolean freeformStackVisible, boolean isDockedDividerResizing) {
7714        if (mNavBarOpacityMode == NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED) {
7715            if (dockedStackVisible || freeformStackVisible || isDockedDividerResizing) {
7716                visibility = setNavBarOpaqueFlag(visibility);
7717            }
7718        } else if (mNavBarOpacityMode == NAV_BAR_TRANSLUCENT_WHEN_FREEFORM_OPAQUE_OTHERWISE) {
7719            if (isDockedDividerResizing) {
7720                visibility = setNavBarOpaqueFlag(visibility);
7721            } else if (freeformStackVisible) {
7722                visibility = setNavBarTranslucentFlag(visibility);
7723            } else {
7724                visibility = setNavBarOpaqueFlag(visibility);
7725            }
7726        }
7727
7728        if (!areTranslucentBarsAllowed()) {
7729            visibility &= ~View.NAVIGATION_BAR_TRANSLUCENT;
7730        }
7731        return visibility;
7732    }
7733
7734    private int setNavBarOpaqueFlag(int visibility) {
7735        return visibility &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT);
7736    }
7737
7738    private int setNavBarTranslucentFlag(int visibility) {
7739        visibility &= ~View.NAVIGATION_BAR_TRANSPARENT;
7740        return visibility |= View.NAVIGATION_BAR_TRANSLUCENT;
7741    }
7742
7743    private void clearClearableFlagsLw() {
7744        int newVal = mResettingSystemUiFlags | View.SYSTEM_UI_CLEARABLE_FLAGS;
7745        if (newVal != mResettingSystemUiFlags) {
7746            mResettingSystemUiFlags = newVal;
7747            mWindowManagerFuncs.reevaluateStatusBarVisibility();
7748        }
7749    }
7750
7751    private boolean isImmersiveMode(int vis) {
7752        final int flags = View.SYSTEM_UI_FLAG_IMMERSIVE | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
7753        return mNavigationBar != null
7754                && (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
7755                && (vis & flags) != 0
7756                && canHideNavigationBar();
7757    }
7758
7759    private static boolean isNavBarEmpty(int systemUiFlags) {
7760        final int disableNavigationBar = (View.STATUS_BAR_DISABLE_HOME
7761                | View.STATUS_BAR_DISABLE_BACK
7762                | View.STATUS_BAR_DISABLE_RECENT);
7763
7764        return (systemUiFlags & disableNavigationBar) == disableNavigationBar;
7765    }
7766
7767    /**
7768     * @return whether the navigation or status bar can be made translucent
7769     *
7770     * This should return true unless touch exploration is not enabled or
7771     * R.boolean.config_enableTranslucentDecor is false.
7772     */
7773    private boolean areTranslucentBarsAllowed() {
7774        return mTranslucentDecorEnabled;
7775    }
7776
7777    // Use this instead of checking config_showNavigationBar so that it can be consistently
7778    // overridden by qemu.hw.mainkeys in the emulator.
7779    @Override
7780    public boolean hasNavigationBar() {
7781        return mHasNavigationBar;
7782    }
7783
7784    @Override
7785    public void setLastInputMethodWindowLw(WindowState ime, WindowState target) {
7786        mLastInputMethodWindow = ime;
7787        mLastInputMethodTargetWindow = target;
7788    }
7789
7790    @Override
7791    public int getInputMethodWindowVisibleHeightLw() {
7792        return mDockBottom - mCurBottom;
7793    }
7794
7795    @Override
7796    public void setCurrentUserLw(int newUserId) {
7797        mCurrentUserId = newUserId;
7798        if (mKeyguardDelegate != null) {
7799            mKeyguardDelegate.setCurrentUser(newUserId);
7800        }
7801        StatusBarManagerInternal statusBar = getStatusBarManagerInternal();
7802        if (statusBar != null) {
7803            statusBar.setCurrentUser(newUserId);
7804        }
7805        setLastInputMethodWindowLw(null, null);
7806    }
7807
7808    @Override
7809    public void setSwitchingUser(boolean switching) {
7810        mKeyguardDelegate.setSwitchingUser(switching);
7811    }
7812
7813    @Override
7814    public boolean canMagnifyWindow(int windowType) {
7815        switch (windowType) {
7816            case WindowManager.LayoutParams.TYPE_INPUT_METHOD:
7817            case WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG:
7818            case WindowManager.LayoutParams.TYPE_NAVIGATION_BAR:
7819            case WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY: {
7820                return false;
7821            }
7822        }
7823        return true;
7824    }
7825
7826    @Override
7827    public boolean isTopLevelWindow(int windowType) {
7828        if (windowType >= WindowManager.LayoutParams.FIRST_SUB_WINDOW
7829                && windowType <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
7830            return (windowType == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG);
7831        }
7832        return true;
7833    }
7834
7835    @Override
7836    public boolean shouldRotateSeamlessly(int oldRotation, int newRotation) {
7837        // For the upside down rotation we don't rotate seamlessly as the navigation
7838        // bar moves position.
7839        // Note most apps (using orientation:sensor or user as opposed to fullSensor)
7840        // will not enter the reverse portrait orientation, so actually the
7841        // orientation won't change at all.
7842        if (oldRotation == mUpsideDownRotation || newRotation == mUpsideDownRotation) {
7843            return false;
7844        }
7845        int delta = newRotation - oldRotation;
7846        if (delta < 0) delta += 4;
7847        // Likewise we don't rotate seamlessly for 180 degree rotations
7848        // in this case the surfaces never resize, and our logic to
7849        // revert the transformations on size change will fail. We could
7850        // fix this in the future with the "tagged" frames idea.
7851        if (delta == Surface.ROTATION_180) {
7852            return false;
7853        }
7854
7855        final WindowState w = mTopFullscreenOpaqueWindowState;
7856        if (w != mFocusedWindow) {
7857            return false;
7858        }
7859
7860        // We only enable seamless rotation if the top window has requested
7861        // it and is in the fullscreen opaque state. Seamless rotation
7862        // requires freezing various Surface states and won't work well
7863        // with animations, so we disable it in the animation case for now.
7864        if (w != null && !w.isAnimatingLw() &&
7865                ((w.getAttrs().rotationAnimation == ROTATION_ANIMATION_JUMPCUT) ||
7866                        (w.getAttrs().rotationAnimation == ROTATION_ANIMATION_SEAMLESS))) {
7867            return true;
7868        }
7869        return false;
7870    }
7871
7872    @Override
7873    public void dump(String prefix, PrintWriter pw, String[] args) {
7874        pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
7875                pw.print(" mSystemReady="); pw.print(mSystemReady);
7876                pw.print(" mSystemBooted="); pw.println(mSystemBooted);
7877        pw.print(prefix); pw.print("mLidState="); pw.print(mLidState);
7878                pw.print(" mLidOpenRotation="); pw.print(mLidOpenRotation);
7879                pw.print(" mCameraLensCoverState="); pw.print(mCameraLensCoverState);
7880                pw.print(" mHdmiPlugged="); pw.println(mHdmiPlugged);
7881        if (mLastSystemUiFlags != 0 || mResettingSystemUiFlags != 0
7882                || mForceClearedSystemUiFlags != 0) {
7883            pw.print(prefix); pw.print("mLastSystemUiFlags=0x");
7884                    pw.print(Integer.toHexString(mLastSystemUiFlags));
7885                    pw.print(" mResettingSystemUiFlags=0x");
7886                    pw.print(Integer.toHexString(mResettingSystemUiFlags));
7887                    pw.print(" mForceClearedSystemUiFlags=0x");
7888                    pw.println(Integer.toHexString(mForceClearedSystemUiFlags));
7889        }
7890        if (mLastFocusNeedsMenu) {
7891            pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
7892                    pw.println(mLastFocusNeedsMenu);
7893        }
7894        pw.print(prefix); pw.print("mWakeGestureEnabledSetting=");
7895                pw.println(mWakeGestureEnabledSetting);
7896
7897        pw.print(prefix); pw.print("mSupportAutoRotation="); pw.println(mSupportAutoRotation);
7898        pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
7899                pw.print(" mDockMode="); pw.print(mDockMode);
7900                pw.print(" mEnableCarDockHomeCapture="); pw.print(mEnableCarDockHomeCapture);
7901                pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
7902                pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
7903        pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);
7904                pw.print(" mUserRotation="); pw.print(mUserRotation);
7905                pw.print(" mAllowAllRotations="); pw.println(mAllowAllRotations);
7906        pw.print(prefix); pw.print("mCurrentAppOrientation="); pw.println(mCurrentAppOrientation);
7907        pw.print(prefix); pw.print("mCarDockEnablesAccelerometer=");
7908                pw.print(mCarDockEnablesAccelerometer);
7909                pw.print(" mDeskDockEnablesAccelerometer=");
7910                pw.println(mDeskDockEnablesAccelerometer);
7911        pw.print(prefix); pw.print("mLidKeyboardAccessibility=");
7912                pw.print(mLidKeyboardAccessibility);
7913                pw.print(" mLidNavigationAccessibility="); pw.print(mLidNavigationAccessibility);
7914                pw.print(" mLidControlsScreenLock="); pw.println(mLidControlsScreenLock);
7915                pw.print(" mLidControlsSleep="); pw.println(mLidControlsSleep);
7916        pw.print(prefix);
7917                pw.print(" mLongPressOnBackBehavior="); pw.println(mLongPressOnBackBehavior);
7918        pw.print(prefix);
7919                pw.print("mShortPressOnPowerBehavior="); pw.print(mShortPressOnPowerBehavior);
7920                pw.print(" mLongPressOnPowerBehavior="); pw.println(mLongPressOnPowerBehavior);
7921        pw.print(prefix);
7922                pw.print("mDoublePressOnPowerBehavior="); pw.print(mDoublePressOnPowerBehavior);
7923                pw.print(" mTriplePressOnPowerBehavior="); pw.println(mTriplePressOnPowerBehavior);
7924        pw.print(prefix); pw.print("mHasSoftInput="); pw.println(mHasSoftInput);
7925        pw.print(prefix); pw.print("mAwake="); pw.println(mAwake);
7926        pw.print(prefix); pw.print("mScreenOnEarly="); pw.print(mScreenOnEarly);
7927                pw.print(" mScreenOnFully="); pw.println(mScreenOnFully);
7928        pw.print(prefix); pw.print("mKeyguardDrawComplete="); pw.print(mKeyguardDrawComplete);
7929                pw.print(" mWindowManagerDrawComplete="); pw.println(mWindowManagerDrawComplete);
7930        pw.print(prefix); pw.print("mOrientationSensorEnabled=");
7931                pw.println(mOrientationSensorEnabled);
7932        pw.print(prefix); pw.print("mOverscanScreen=("); pw.print(mOverscanScreenLeft);
7933                pw.print(","); pw.print(mOverscanScreenTop);
7934                pw.print(") "); pw.print(mOverscanScreenWidth);
7935                pw.print("x"); pw.println(mOverscanScreenHeight);
7936        if (mOverscanLeft != 0 || mOverscanTop != 0
7937                || mOverscanRight != 0 || mOverscanBottom != 0) {
7938            pw.print(prefix); pw.print("mOverscan left="); pw.print(mOverscanLeft);
7939                    pw.print(" top="); pw.print(mOverscanTop);
7940                    pw.print(" right="); pw.print(mOverscanRight);
7941                    pw.print(" bottom="); pw.println(mOverscanBottom);
7942        }
7943        pw.print(prefix); pw.print("mRestrictedOverscanScreen=(");
7944                pw.print(mRestrictedOverscanScreenLeft);
7945                pw.print(","); pw.print(mRestrictedOverscanScreenTop);
7946                pw.print(") "); pw.print(mRestrictedOverscanScreenWidth);
7947                pw.print("x"); pw.println(mRestrictedOverscanScreenHeight);
7948        pw.print(prefix); pw.print("mUnrestrictedScreen=("); pw.print(mUnrestrictedScreenLeft);
7949                pw.print(","); pw.print(mUnrestrictedScreenTop);
7950                pw.print(") "); pw.print(mUnrestrictedScreenWidth);
7951                pw.print("x"); pw.println(mUnrestrictedScreenHeight);
7952        pw.print(prefix); pw.print("mRestrictedScreen=("); pw.print(mRestrictedScreenLeft);
7953                pw.print(","); pw.print(mRestrictedScreenTop);
7954                pw.print(") "); pw.print(mRestrictedScreenWidth);
7955                pw.print("x"); pw.println(mRestrictedScreenHeight);
7956        pw.print(prefix); pw.print("mStableFullscreen=("); pw.print(mStableFullscreenLeft);
7957                pw.print(","); pw.print(mStableFullscreenTop);
7958                pw.print(")-("); pw.print(mStableFullscreenRight);
7959                pw.print(","); pw.print(mStableFullscreenBottom); pw.println(")");
7960        pw.print(prefix); pw.print("mStable=("); pw.print(mStableLeft);
7961                pw.print(","); pw.print(mStableTop);
7962                pw.print(")-("); pw.print(mStableRight);
7963                pw.print(","); pw.print(mStableBottom); pw.println(")");
7964        pw.print(prefix); pw.print("mSystem=("); pw.print(mSystemLeft);
7965                pw.print(","); pw.print(mSystemTop);
7966                pw.print(")-("); pw.print(mSystemRight);
7967                pw.print(","); pw.print(mSystemBottom); pw.println(")");
7968        pw.print(prefix); pw.print("mCur=("); pw.print(mCurLeft);
7969                pw.print(","); pw.print(mCurTop);
7970                pw.print(")-("); pw.print(mCurRight);
7971                pw.print(","); pw.print(mCurBottom); pw.println(")");
7972        pw.print(prefix); pw.print("mContent=("); pw.print(mContentLeft);
7973                pw.print(","); pw.print(mContentTop);
7974                pw.print(")-("); pw.print(mContentRight);
7975                pw.print(","); pw.print(mContentBottom); pw.println(")");
7976        pw.print(prefix); pw.print("mVoiceContent=("); pw.print(mVoiceContentLeft);
7977                pw.print(","); pw.print(mVoiceContentTop);
7978                pw.print(")-("); pw.print(mVoiceContentRight);
7979                pw.print(","); pw.print(mVoiceContentBottom); pw.println(")");
7980        pw.print(prefix); pw.print("mDock=("); pw.print(mDockLeft);
7981                pw.print(","); pw.print(mDockTop);
7982                pw.print(")-("); pw.print(mDockRight);
7983                pw.print(","); pw.print(mDockBottom); pw.println(")");
7984        pw.print(prefix); pw.print("mDockLayer="); pw.print(mDockLayer);
7985                pw.print(" mStatusBarLayer="); pw.println(mStatusBarLayer);
7986        pw.print(prefix); pw.print("mShowingLockscreen="); pw.print(mShowingLockscreen);
7987                pw.print(" mShowingDream="); pw.print(mShowingDream);
7988                pw.print(" mDreamingLockscreen="); pw.print(mDreamingLockscreen);
7989                pw.print(" mDreamingSleepToken="); pw.println(mDreamingSleepToken);
7990        if (mLastInputMethodWindow != null) {
7991            pw.print(prefix); pw.print("mLastInputMethodWindow=");
7992                    pw.println(mLastInputMethodWindow);
7993        }
7994        if (mLastInputMethodTargetWindow != null) {
7995            pw.print(prefix); pw.print("mLastInputMethodTargetWindow=");
7996                    pw.println(mLastInputMethodTargetWindow);
7997        }
7998        if (mStatusBar != null) {
7999            pw.print(prefix); pw.print("mStatusBar=");
8000                    pw.print(mStatusBar); pw.print(" isStatusBarKeyguard=");
8001                    pw.println(isStatusBarKeyguard());
8002        }
8003        if (mNavigationBar != null) {
8004            pw.print(prefix); pw.print("mNavigationBar=");
8005                    pw.println(mNavigationBar);
8006        }
8007        if (mFocusedWindow != null) {
8008            pw.print(prefix); pw.print("mFocusedWindow=");
8009                    pw.println(mFocusedWindow);
8010        }
8011        if (mFocusedApp != null) {
8012            pw.print(prefix); pw.print("mFocusedApp=");
8013                    pw.println(mFocusedApp);
8014        }
8015        if (mWinDismissingKeyguard != null) {
8016            pw.print(prefix); pw.print("mWinDismissingKeyguard=");
8017                    pw.println(mWinDismissingKeyguard);
8018        }
8019        if (mTopFullscreenOpaqueWindowState != null) {
8020            pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
8021                    pw.println(mTopFullscreenOpaqueWindowState);
8022        }
8023        if (mTopFullscreenOpaqueOrDimmingWindowState != null) {
8024            pw.print(prefix); pw.print("mTopFullscreenOpaqueOrDimmingWindowState=");
8025                    pw.println(mTopFullscreenOpaqueOrDimmingWindowState);
8026        }
8027        if (mForcingShowNavBar) {
8028            pw.print(prefix); pw.print("mForcingShowNavBar=");
8029                    pw.println(mForcingShowNavBar); pw.print( "mForcingShowNavBarLayer=");
8030                    pw.println(mForcingShowNavBarLayer);
8031        }
8032        pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
8033                pw.print(" mHideLockScreen="); pw.println(mHideLockScreen);
8034        pw.print(prefix); pw.print("mForceStatusBar="); pw.print(mForceStatusBar);
8035                pw.print(" mForceStatusBarFromKeyguard=");
8036                pw.println(mForceStatusBarFromKeyguard);
8037        pw.print(prefix); pw.print("mDismissKeyguard="); pw.print(mDismissKeyguard);
8038                pw.print(" mWinDismissingKeyguard="); pw.print(mWinDismissingKeyguard);
8039                pw.print(" mHomePressed="); pw.println(mHomePressed);
8040        pw.print(prefix); pw.print("mAllowLockscreenWhenOn="); pw.print(mAllowLockscreenWhenOn);
8041                pw.print(" mLockScreenTimeout="); pw.print(mLockScreenTimeout);
8042                pw.print(" mLockScreenTimerActive="); pw.println(mLockScreenTimerActive);
8043        pw.print(prefix); pw.print("mEndcallBehavior="); pw.print(mEndcallBehavior);
8044                pw.print(" mIncallPowerBehavior="); pw.print(mIncallPowerBehavior);
8045                pw.print(" mLongPressOnHomeBehavior="); pw.println(mLongPressOnHomeBehavior);
8046        pw.print(prefix); pw.print("mLandscapeRotation="); pw.print(mLandscapeRotation);
8047                pw.print(" mSeascapeRotation="); pw.println(mSeascapeRotation);
8048        pw.print(prefix); pw.print("mPortraitRotation="); pw.print(mPortraitRotation);
8049                pw.print(" mUpsideDownRotation="); pw.println(mUpsideDownRotation);
8050        pw.print(prefix); pw.print("mDemoHdmiRotation="); pw.print(mDemoHdmiRotation);
8051                pw.print(" mDemoHdmiRotationLock="); pw.println(mDemoHdmiRotationLock);
8052        pw.print(prefix); pw.print("mUndockedHdmiRotation="); pw.println(mUndockedHdmiRotation);
8053
8054        mGlobalKeyManager.dump(prefix, pw);
8055        mStatusBarController.dump(pw, prefix);
8056        mNavigationBarController.dump(pw, prefix);
8057        PolicyControl.dump(prefix, pw);
8058
8059        if (mWakeGestureListener != null) {
8060            mWakeGestureListener.dump(pw, prefix);
8061        }
8062        if (mOrientationListener != null) {
8063            mOrientationListener.dump(pw, prefix);
8064        }
8065        if (mBurnInProtectionHelper != null) {
8066            mBurnInProtectionHelper.dump(prefix, pw);
8067        }
8068        if (mKeyguardDelegate != null) {
8069            mKeyguardDelegate.dump(prefix, pw);
8070        }
8071    }
8072}
8073