PhoneWindowManager.java revision 5f97880714e0ee2c503bca0d7681e896c53386b0 
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.Manifest.permission.INTERNAL_SYSTEM_WINDOW;
20import static android.Manifest.permission.SYSTEM_ALERT_WINDOW;
21import static android.app.ActivityManager.StackId.DOCKED_STACK_ID;
22import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
23import static android.app.ActivityManager.StackId.HOME_STACK_ID;
24import static android.app.AppOpsManager.OP_SYSTEM_ALERT_WINDOW;
25import static android.app.AppOpsManager.OP_TOAST_WINDOW;
26import static android.content.Context.DISPLAY_SERVICE;
27import static android.content.Context.WINDOW_SERVICE;
28import static android.content.pm.PackageManager.FEATURE_PICTURE_IN_PICTURE;
29import static android.content.pm.PackageManager.FEATURE_LEANBACK;
30import static android.content.pm.PackageManager.FEATURE_WATCH;
31import static android.content.pm.PackageManager.PERMISSION_GRANTED;
32import static android.content.res.Configuration.EMPTY;
33import static android.content.res.Configuration.UI_MODE_TYPE_CAR;
34import static android.content.res.Configuration.UI_MODE_TYPE_MASK;
35import static android.os.Build.VERSION_CODES.M;
36import static android.os.Build.VERSION_CODES.O;
37import static android.view.WindowManager.DOCKED_LEFT;
38import static android.view.WindowManager.DOCKED_RIGHT;
39import static android.view.WindowManager.DOCKED_TOP;
40import static android.view.WindowManager.INPUT_CONSUMER_NAVIGATION;
41import static android.view.WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW;
42import static android.view.WindowManager.LayoutParams.FIRST_SUB_WINDOW;
43import static android.view.WindowManager.LayoutParams.FIRST_SYSTEM_WINDOW;
44import static android.view.WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON;
45import static android.view.WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS;
46import static android.view.WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN;
47import static android.view.WindowManager.LayoutParams.FLAG_FULLSCREEN;
48import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_ATTACHED_IN_DECOR;
49import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR;
50import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_IN_OVERSCAN;
51import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
52import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS;
53import static android.view.WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
54import static android.view.WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED;
55import static android.view.WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
56import static android.view.WindowManager.LayoutParams.LAST_SUB_WINDOW;
57import static android.view.WindowManager.LayoutParams.LAST_SYSTEM_WINDOW;
58import static android.view.WindowManager.LayoutParams.MATCH_PARENT;
59import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND;
60import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_STATUS_BAR_VISIBLE_TRANSPARENT;
61import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
62import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
63import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_SYSTEM_ERROR;
64import static android.view.WindowManager.LayoutParams.ROTATION_ANIMATION_CROSSFADE;
65import static android.view.WindowManager.LayoutParams.ROTATION_ANIMATION_JUMPCUT;
66import static android.view.WindowManager.LayoutParams.ROTATION_ANIMATION_ROTATE;
67import static android.view.WindowManager.LayoutParams.ROTATION_ANIMATION_SEAMLESS;
68import static android.view.WindowManager.LayoutParams.SOFT_INPUT_ADJUST_NOTHING;
69import static android.view.WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE;
70import static android.view.WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST;
71import static android.view.WindowManager.LayoutParams.TYPE_ACCESSIBILITY_OVERLAY;
72import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;
73import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY;
74import static android.view.WindowManager.LayoutParams.TYPE_BOOT_PROGRESS;
75import static android.view.WindowManager.LayoutParams.TYPE_DISPLAY_OVERLAY;
76import static android.view.WindowManager.LayoutParams.TYPE_DOCK_DIVIDER;
77import static android.view.WindowManager.LayoutParams.TYPE_DREAM;
78import static android.view.WindowManager.LayoutParams.TYPE_INPUT_CONSUMER;
79import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD;
80import static android.view.WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG;
81import static android.view.WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY;
82import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR;
83import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL;
84import static android.view.WindowManager.LayoutParams.TYPE_PHONE;
85import static android.view.WindowManager.LayoutParams.TYPE_POINTER;
86import static android.view.WindowManager.LayoutParams.TYPE_PRESENTATION;
87import static android.view.WindowManager.LayoutParams.TYPE_PRIORITY_PHONE;
88import static android.view.WindowManager.LayoutParams.TYPE_PRIVATE_PRESENTATION;
89import static android.view.WindowManager.LayoutParams.TYPE_QS_DIALOG;
90import static android.view.WindowManager.LayoutParams.TYPE_SCREENSHOT;
91import static android.view.WindowManager.LayoutParams.TYPE_SEARCH_BAR;
92import static android.view.WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
93import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR;
94import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR_PANEL;
95import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR_SUB_PANEL;
96import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_ALERT;
97import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG;
98import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_ERROR;
99import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_OVERLAY;
100import static android.view.WindowManager.LayoutParams.TYPE_TOAST;
101import static android.view.WindowManager.LayoutParams.TYPE_VOICE_INTERACTION;
102import static android.view.WindowManager.LayoutParams.TYPE_VOICE_INTERACTION_STARTING;
103import static android.view.WindowManager.LayoutParams.TYPE_VOLUME_OVERLAY;
104import static android.view.WindowManager.LayoutParams.TYPE_WALLPAPER;
105import static android.view.WindowManager.LayoutParams.isSystemAlertWindowType;
106import static android.view.WindowManager.TAKE_SCREENSHOT_FULLSCREEN;
107import static android.view.WindowManager.TAKE_SCREENSHOT_SELECTED_REGION;
108import static android.view.WindowManagerGlobal.ADD_OKAY;
109import static android.view.WindowManagerGlobal.ADD_PERMISSION_DENIED;
110import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVERED;
111import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVER_ABSENT;
112import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_UNCOVERED;
113import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_ABSENT;
114import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_CLOSED;
115import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_OPEN;
116
117import android.annotation.Nullable;
118import android.app.ActivityManager;
119import android.app.ActivityManager.StackId;
120import android.app.ActivityManagerInternal;
121import android.app.ActivityManagerInternal.SleepToken;
122import android.app.AppOpsManager;
123import android.app.IUiModeManager;
124import android.app.ProgressDialog;
125import android.app.SearchManager;
126import android.app.StatusBarManager;
127import android.app.UiModeManager;
128import android.content.ActivityNotFoundException;
129import android.content.BroadcastReceiver;
130import android.content.ComponentName;
131import android.content.ContentResolver;
132import android.content.Context;
133import android.content.Intent;
134import android.content.IntentFilter;
135import android.content.ServiceConnection;
136import android.content.pm.ActivityInfo;
137import android.content.pm.ApplicationInfo;
138import android.content.pm.PackageManager;
139import android.content.pm.ResolveInfo;
140import android.content.res.CompatibilityInfo;
141import android.content.res.Configuration;
142import android.content.res.Resources;
143import android.content.res.TypedArray;
144import android.database.ContentObserver;
145import android.graphics.PixelFormat;
146import android.graphics.Rect;
147import android.graphics.drawable.Drawable;
148import android.hardware.display.DisplayManager;
149import android.hardware.hdmi.HdmiControlManager;
150import android.hardware.hdmi.HdmiPlaybackClient;
151import android.hardware.hdmi.HdmiPlaybackClient.OneTouchPlayCallback;
152import android.hardware.input.InputManager;
153import android.hardware.input.InputManagerInternal;
154import android.hardware.power.V1_0.PowerHint;
155import android.media.AudioAttributes;
156import android.media.AudioManager;
157import android.media.AudioSystem;
158import android.media.IAudioService;
159import android.media.session.MediaSessionLegacyHelper;
160import android.os.Binder;
161import android.os.Build;
162import android.os.Bundle;
163import android.os.FactoryTest;
164import android.os.Handler;
165import android.os.IBinder;
166import android.os.IDeviceIdleController;
167import android.os.Looper;
168import android.os.Message;
169import android.os.Messenger;
170import android.os.PowerManager;
171import android.os.PowerManagerInternal;
172import android.os.Process;
173import android.os.RemoteException;
174import android.os.ServiceManager;
175import android.os.SystemClock;
176import android.os.SystemProperties;
177import android.os.UEventObserver;
178import android.os.UserHandle;
179import android.os.Vibrator;
180import android.os.VibrationEffect;
181import android.provider.MediaStore;
182import android.provider.Settings;
183import android.service.dreams.DreamManagerInternal;
184import android.service.dreams.DreamService;
185import android.service.dreams.IDreamManager;
186import android.service.vr.IPersistentVrStateCallbacks;
187import android.speech.RecognizerIntent;
188import android.telecom.TelecomManager;
189import android.util.DisplayMetrics;
190import android.util.EventLog;
191import android.util.Log;
192import android.util.LongSparseArray;
193import android.util.MutableBoolean;
194import android.util.Slog;
195import android.util.SparseArray;
196import android.view.Display;
197import android.view.Gravity;
198import android.view.HapticFeedbackConstants;
199import android.view.IApplicationToken;
200import android.view.IWindowManager;
201import android.view.InputChannel;
202import android.view.InputDevice;
203import android.view.InputEvent;
204import android.view.InputEventReceiver;
205import android.view.KeyCharacterMap;
206import android.view.KeyCharacterMap.FallbackAction;
207import android.view.KeyEvent;
208import android.view.MotionEvent;
209import android.view.PointerIcon;
210import android.view.Surface;
211import android.view.View;
212import android.view.ViewConfiguration;
213import android.view.WindowManager;
214import android.view.WindowManager.LayoutParams;
215import android.view.WindowManagerGlobal;
216import android.view.WindowManagerInternal;
217import android.view.WindowManagerInternal.AppTransitionListener;
218import android.view.WindowManagerPolicy;
219import android.view.accessibility.AccessibilityEvent;
220import android.view.accessibility.AccessibilityManager;
221import android.view.animation.Animation;
222import android.view.animation.AnimationSet;
223import android.view.animation.AnimationUtils;
224import android.view.autofill.AutofillManagerInternal;
225import android.view.inputmethod.InputMethodManagerInternal;
226
227import com.android.internal.R;
228import com.android.internal.logging.MetricsLogger;
229import com.android.internal.policy.IKeyguardDismissCallback;
230import com.android.internal.policy.IShortcutService;
231import com.android.internal.policy.PhoneWindow;
232import com.android.internal.statusbar.IStatusBarService;
233import com.android.internal.util.ScreenShapeHelper;
234import com.android.internal.widget.PointerLocationView;
235import com.android.server.GestureLauncherService;
236import com.android.server.LocalServices;
237import com.android.server.SystemServiceManager;
238import com.android.server.policy.keyguard.KeyguardServiceDelegate;
239import com.android.server.policy.keyguard.KeyguardServiceDelegate.DrawnListener;
240import com.android.server.policy.keyguard.KeyguardStateMonitor.StateCallback;
241import com.android.server.statusbar.StatusBarManagerInternal;
242import com.android.server.wm.AppTransition;
243import com.android.server.vr.VrManagerInternal;
244
245import java.io.File;
246import java.io.FileReader;
247import java.io.IOException;
248import java.io.PrintWriter;
249import java.util.List;
250
251/**
252 * WindowManagerPolicy implementation for the Android phone UI.  This
253 * introduces a new method suffix, Lp, for an internal lock of the
254 * PhoneWindowManager.  This is used to protect some internal state, and
255 * can be acquired with either the Lw and Li lock held, so has the restrictions
256 * of both of those when held.
257 */
258public class PhoneWindowManager implements WindowManagerPolicy {
259    static final String TAG = "WindowManager";
260    static final boolean DEBUG = false;
261    static final boolean localLOGV = false;
262    static final boolean DEBUG_INPUT = false;
263    static final boolean DEBUG_KEYGUARD = false;
264    static final boolean DEBUG_LAYOUT = false;
265    static final boolean DEBUG_SPLASH_SCREEN = false;
266    static final boolean DEBUG_WAKEUP = false;
267    static final boolean SHOW_SPLASH_SCREENS = true;
268
269    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
270    // No longer recommended for desk docks;
271    static final boolean ENABLE_DESK_DOCK_HOME_CAPTURE = false;
272
273    // Whether to allow devices placed in vr headset viewers to have an alternative Home intent.
274    static final boolean ENABLE_VR_HEADSET_HOME_CAPTURE = true;
275
276    static final boolean ALTERNATE_CAR_MODE_NAV_SIZE = false;
277
278    static final int SHORT_PRESS_POWER_NOTHING = 0;
279    static final int SHORT_PRESS_POWER_GO_TO_SLEEP = 1;
280    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP = 2;
281    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME = 3;
282    static final int SHORT_PRESS_POWER_GO_HOME = 4;
283    static final int SHORT_PRESS_POWER_CLOSE_IME_OR_GO_HOME = 5;
284
285    static final int LONG_PRESS_POWER_NOTHING = 0;
286    static final int LONG_PRESS_POWER_GLOBAL_ACTIONS = 1;
287    static final int LONG_PRESS_POWER_SHUT_OFF = 2;
288    static final int LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM = 3;
289
290    static final int LONG_PRESS_BACK_NOTHING = 0;
291    static final int LONG_PRESS_BACK_GO_TO_VOICE_ASSIST = 1;
292
293    static final int MULTI_PRESS_POWER_NOTHING = 0;
294    static final int MULTI_PRESS_POWER_THEATER_MODE = 1;
295    static final int MULTI_PRESS_POWER_BRIGHTNESS_BOOST = 2;
296
297    // Number of presses needed before we induce panic press behavior on the back button
298    static final int PANIC_PRESS_BACK_COUNT = 4;
299    static final int PANIC_PRESS_BACK_NOTHING = 0;
300    static final int PANIC_PRESS_BACK_HOME = 1;
301
302    // These need to match the documentation/constant in
303    // core/res/res/values/config.xml
304    static final int LONG_PRESS_HOME_NOTHING = 0;
305    static final int LONG_PRESS_HOME_ALL_APPS = 1;
306    static final int LONG_PRESS_HOME_ASSIST = 2;
307    static final int LAST_LONG_PRESS_HOME_BEHAVIOR = LONG_PRESS_HOME_ASSIST;
308
309    static final int DOUBLE_TAP_HOME_NOTHING = 0;
310    static final int DOUBLE_TAP_HOME_RECENT_SYSTEM_UI = 1;
311
312    static final int SHORT_PRESS_WINDOW_NOTHING = 0;
313    static final int SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE = 1;
314
315    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP = 0;
316    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME = 1;
317
318    static final int PENDING_KEY_NULL = -1;
319
320    // Controls navigation bar opacity depending on which workspace stacks are currently
321    // visible.
322    // Nav bar is always opaque when either the freeform stack or docked stack is visible.
323    static final int NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED = 0;
324    // Nav bar is always translucent when the freeform stack is visible, otherwise always opaque.
325    static final int NAV_BAR_TRANSLUCENT_WHEN_FREEFORM_OPAQUE_OTHERWISE = 1;
326
327    static public final String SYSTEM_DIALOG_REASON_KEY = "reason";
328    static public final String SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS = "globalactions";
329    static public final String SYSTEM_DIALOG_REASON_RECENT_APPS = "recentapps";
330    static public final String SYSTEM_DIALOG_REASON_HOME_KEY = "homekey";
331    static public final String SYSTEM_DIALOG_REASON_ASSIST = "assist";
332
333    /**
334     * These are the system UI flags that, when changing, can cause the layout
335     * of the screen to change.
336     */
337    static final int SYSTEM_UI_CHANGING_LAYOUT =
338              View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
339            | View.SYSTEM_UI_FLAG_FULLSCREEN
340            | View.STATUS_BAR_TRANSLUCENT
341            | View.NAVIGATION_BAR_TRANSLUCENT
342            | View.STATUS_BAR_TRANSPARENT
343            | View.NAVIGATION_BAR_TRANSPARENT;
344
345    private static final AudioAttributes VIBRATION_ATTRIBUTES = new AudioAttributes.Builder()
346            .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
347            .setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION)
348            .build();
349
350    // The panic gesture may become active only after the keyguard is dismissed and the immersive
351    // app shows again. If that doesn't happen for 30s we drop the gesture.
352    private static final long PANIC_GESTURE_EXPIRATION = 30000;
353
354    private static final String SYSUI_PACKAGE = "com.android.systemui";
355    private static final String SYSUI_SCREENSHOT_SERVICE =
356            "com.android.systemui.screenshot.TakeScreenshotService";
357    private static final String SYSUI_SCREENSHOT_ERROR_RECEIVER =
358            "com.android.systemui.screenshot.ScreenshotServiceErrorReceiver";
359
360    private static final int NAV_BAR_BOTTOM = 0;
361    private static final int NAV_BAR_RIGHT = 1;
362    private static final int NAV_BAR_LEFT = 2;
363
364    /**
365     * Keyguard stuff
366     */
367    private boolean mKeyguardDrawnOnce;
368
369    /* Table of Application Launch keys.  Maps from key codes to intent categories.
370     *
371     * These are special keys that are used to launch particular kinds of applications,
372     * such as a web browser.  HID defines nearly a hundred of them in the Consumer (0x0C)
373     * usage page.  We don't support quite that many yet...
374     */
375    static SparseArray<String> sApplicationLaunchKeyCategories;
376    static {
377        sApplicationLaunchKeyCategories = new SparseArray<String>();
378        sApplicationLaunchKeyCategories.append(
379                KeyEvent.KEYCODE_EXPLORER, Intent.CATEGORY_APP_BROWSER);
380        sApplicationLaunchKeyCategories.append(
381                KeyEvent.KEYCODE_ENVELOPE, Intent.CATEGORY_APP_EMAIL);
382        sApplicationLaunchKeyCategories.append(
383                KeyEvent.KEYCODE_CONTACTS, Intent.CATEGORY_APP_CONTACTS);
384        sApplicationLaunchKeyCategories.append(
385                KeyEvent.KEYCODE_CALENDAR, Intent.CATEGORY_APP_CALENDAR);
386        sApplicationLaunchKeyCategories.append(
387                KeyEvent.KEYCODE_MUSIC, Intent.CATEGORY_APP_MUSIC);
388        sApplicationLaunchKeyCategories.append(
389                KeyEvent.KEYCODE_CALCULATOR, Intent.CATEGORY_APP_CALCULATOR);
390    }
391
392    /** Amount of time (in milliseconds) to wait for windows drawn before powering on. */
393    static final int WAITING_FOR_DRAWN_TIMEOUT = 1000;
394
395    /** Amount of time (in milliseconds) a toast window can be shown. */
396    public static final int TOAST_WINDOW_TIMEOUT = 3500; // 3.5 seconds
397
398    /**
399     * Lock protecting internal state.  Must not call out into window
400     * manager with lock held.  (This lock will be acquired in places
401     * where the window manager is calling in with its own lock held.)
402     */
403    private final Object mLock = new Object();
404
405    Context mContext;
406    IWindowManager mWindowManager;
407    WindowManagerFuncs mWindowManagerFuncs;
408    WindowManagerInternal mWindowManagerInternal;
409    PowerManager mPowerManager;
410    ActivityManagerInternal mActivityManagerInternal;
411    AutofillManagerInternal mAutofillManagerInternal;
412    InputManagerInternal mInputManagerInternal;
413    InputMethodManagerInternal mInputMethodManagerInternal;
414    DreamManagerInternal mDreamManagerInternal;
415    PowerManagerInternal mPowerManagerInternal;
416    IStatusBarService mStatusBarService;
417    StatusBarManagerInternal mStatusBarManagerInternal;
418    boolean mPreloadedRecentApps;
419    final Object mServiceAquireLock = new Object();
420    Vibrator mVibrator; // Vibrator for giving feedback of orientation changes
421    SearchManager mSearchManager;
422    AccessibilityManager mAccessibilityManager;
423    BurnInProtectionHelper mBurnInProtectionHelper;
424    AppOpsManager mAppOpsManager;
425    private boolean mHasFeatureWatch;
426    private boolean mHasFeatureLeanback;
427
428    // Assigned on main thread, accessed on UI thread
429    volatile VrManagerInternal mVrManagerInternal;
430
431    // Vibrator pattern for haptic feedback of a long press.
432    long[] mLongPressVibePattern;
433
434    // Vibrator pattern for haptic feedback of virtual key press.
435    long[] mVirtualKeyVibePattern;
436
437    // Vibrator pattern for a short vibration.
438    long[] mKeyboardTapVibePattern;
439
440    // Vibrator pattern for a short vibration when tapping on an hour/minute tick of a Clock.
441    long[] mClockTickVibePattern;
442
443    // Vibrator pattern for a short vibration when tapping on a day/month/year date of a Calendar.
444    long[] mCalendarDateVibePattern;
445
446    // Vibrator pattern for haptic feedback during boot when safe mode is disabled.
447    long[] mSafeModeDisabledVibePattern;
448
449    // Vibrator pattern for haptic feedback during boot when safe mode is enabled.
450    long[] mSafeModeEnabledVibePattern;
451
452    // Vibrator pattern for haptic feedback of a context click.
453    long[] mContextClickVibePattern;
454
455    /** If true, hitting shift & menu will broadcast Intent.ACTION_BUG_REPORT */
456    boolean mEnableShiftMenuBugReports = false;
457
458    /** Controller that supports enabling an AccessibilityService by holding down the volume keys */
459    private AccessibilityShortcutController mAccessibilityShortcutController;
460
461    boolean mSafeMode;
462    WindowState mStatusBar = null;
463    int mStatusBarHeight;
464    WindowState mNavigationBar = null;
465    boolean mHasNavigationBar = false;
466    boolean mNavigationBarCanMove = false; // can the navigation bar ever move to the side?
467    int mNavigationBarPosition = NAV_BAR_BOTTOM;
468    int[] mNavigationBarHeightForRotationDefault = new int[4];
469    int[] mNavigationBarWidthForRotationDefault = new int[4];
470    int[] mNavigationBarHeightForRotationInCarMode = new int[4];
471    int[] mNavigationBarWidthForRotationInCarMode = new int[4];
472
473    private LongSparseArray<IShortcutService> mShortcutKeyServices = new LongSparseArray<>();
474
475    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
476    // This is for car dock and this is updated from resource.
477    private boolean mEnableCarDockHomeCapture = true;
478
479    boolean mBootMessageNeedsHiding;
480    KeyguardServiceDelegate mKeyguardDelegate;
481    private boolean mKeyguardBound;
482    final Runnable mWindowManagerDrawCallback = new Runnable() {
483        @Override
484        public void run() {
485            if (DEBUG_WAKEUP) Slog.i(TAG, "All windows ready for display!");
486            mHandler.sendEmptyMessage(MSG_WINDOW_MANAGER_DRAWN_COMPLETE);
487        }
488    };
489    final DrawnListener mKeyguardDrawnCallback = new DrawnListener() {
490        @Override
491        public void onDrawn() {
492            if (DEBUG_WAKEUP) Slog.d(TAG, "mKeyguardDelegate.ShowListener.onDrawn.");
493            mHandler.sendEmptyMessage(MSG_KEYGUARD_DRAWN_COMPLETE);
494        }
495    };
496
497    GlobalActions mGlobalActions;
498    Handler mHandler;
499    WindowState mLastInputMethodWindow = null;
500    WindowState mLastInputMethodTargetWindow = null;
501
502    // FIXME This state is shared between the input reader and handler thread.
503    // Technically it's broken and buggy but it has been like this for many years
504    // and we have not yet seen any problems.  Someday we'll rewrite this logic
505    // so that only one thread is involved in handling input policy.  Unfortunately
506    // it's on a critical path for power management so we can't just post the work to the
507    // handler thread.  We'll need to resolve this someday by teaching the input dispatcher
508    // to hold wakelocks during dispatch and eliminating the critical path.
509    volatile boolean mPowerKeyHandled;
510    volatile boolean mBackKeyHandled;
511    volatile boolean mBeganFromNonInteractive;
512    volatile int mPowerKeyPressCounter;
513    volatile int mBackKeyPressCounter;
514    volatile boolean mEndCallKeyHandled;
515    volatile boolean mCameraGestureTriggeredDuringGoingToSleep;
516    volatile boolean mGoingToSleep;
517    volatile boolean mRecentsVisible;
518    volatile boolean mPictureInPictureVisible;
519    // Written by vr manager thread, only read in this class.
520    volatile private boolean mPersistentVrModeEnabled;
521    volatile private boolean mDismissImeOnBackKeyPressed;
522
523    // Used to hold the last user key used to wake the device.  This helps us prevent up events
524    // from being passed to the foregrounded app without a corresponding down event
525    volatile int mPendingWakeKey = PENDING_KEY_NULL;
526
527    int mRecentAppsHeldModifiers;
528    boolean mLanguageSwitchKeyPressed;
529
530    int mLidState = LID_ABSENT;
531    int mCameraLensCoverState = CAMERA_LENS_COVER_ABSENT;
532    boolean mHaveBuiltInKeyboard;
533
534    boolean mSystemReady;
535    boolean mSystemBooted;
536    boolean mHdmiPlugged;
537    HdmiControl mHdmiControl;
538    IUiModeManager mUiModeManager;
539    int mUiMode;
540    int mDockMode = Intent.EXTRA_DOCK_STATE_UNDOCKED;
541    int mLidOpenRotation;
542    int mCarDockRotation;
543    int mDeskDockRotation;
544    int mUndockedHdmiRotation;
545    int mDemoHdmiRotation;
546    boolean mDemoHdmiRotationLock;
547    int mDemoRotation;
548    boolean mDemoRotationLock;
549
550    boolean mWakeGestureEnabledSetting;
551    MyWakeGestureListener mWakeGestureListener;
552
553    // Default display does not rotate, apps that require non-default orientation will have to
554    // have the orientation emulated.
555    private boolean mForceDefaultOrientation = false;
556
557    int mUserRotationMode = WindowManagerPolicy.USER_ROTATION_FREE;
558    int mUserRotation = Surface.ROTATION_0;
559    boolean mAccelerometerDefault;
560
561    boolean mSupportAutoRotation;
562    int mAllowAllRotations = -1;
563    boolean mCarDockEnablesAccelerometer;
564    boolean mDeskDockEnablesAccelerometer;
565    int mLidKeyboardAccessibility;
566    int mLidNavigationAccessibility;
567    boolean mLidControlsScreenLock;
568    boolean mLidControlsSleep;
569    int mShortPressOnPowerBehavior;
570    int mLongPressOnPowerBehavior;
571    int mDoublePressOnPowerBehavior;
572    int mTriplePressOnPowerBehavior;
573    int mLongPressOnBackBehavior;
574    int mPanicPressOnBackBehavior;
575    int mShortPressOnSleepBehavior;
576    int mShortPressWindowBehavior;
577    boolean mAwake;
578    boolean mScreenOnEarly;
579    boolean mScreenOnFully;
580    ScreenOnListener mScreenOnListener;
581    boolean mKeyguardDrawComplete;
582    boolean mWindowManagerDrawComplete;
583    boolean mOrientationSensorEnabled = false;
584    int mCurrentAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
585    boolean mHasSoftInput = false;
586    boolean mTranslucentDecorEnabled = true;
587    boolean mUseTvRouting;
588
589    private boolean mHandleVolumeKeysInWM;
590
591    int mPointerLocationMode = 0; // guarded by mLock
592
593    // The last window we were told about in focusChanged.
594    WindowState mFocusedWindow;
595    IApplicationToken mFocusedApp;
596
597    PointerLocationView mPointerLocationView;
598
599    // The current size of the screen; really; extends into the overscan area of
600    // the screen and doesn't account for any system elements like the status bar.
601    int mOverscanScreenLeft, mOverscanScreenTop;
602    int mOverscanScreenWidth, mOverscanScreenHeight;
603    // The current visible size of the screen; really; (ir)regardless of whether the status
604    // bar can be hidden but not extending into the overscan area.
605    int mUnrestrictedScreenLeft, mUnrestrictedScreenTop;
606    int mUnrestrictedScreenWidth, mUnrestrictedScreenHeight;
607    // Like mOverscanScreen*, but allowed to move into the overscan region where appropriate.
608    int mRestrictedOverscanScreenLeft, mRestrictedOverscanScreenTop;
609    int mRestrictedOverscanScreenWidth, mRestrictedOverscanScreenHeight;
610    // The current size of the screen; these may be different than (0,0)-(dw,dh)
611    // if the status bar can't be hidden; in that case it effectively carves out
612    // that area of the display from all other windows.
613    int mRestrictedScreenLeft, mRestrictedScreenTop;
614    int mRestrictedScreenWidth, mRestrictedScreenHeight;
615    // During layout, the current screen borders accounting for any currently
616    // visible system UI elements.
617    int mSystemLeft, mSystemTop, mSystemRight, mSystemBottom;
618    // For applications requesting stable content insets, these are them.
619    int mStableLeft, mStableTop, mStableRight, mStableBottom;
620    // For applications requesting stable content insets but have also set the
621    // fullscreen window flag, these are the stable dimensions without the status bar.
622    int mStableFullscreenLeft, mStableFullscreenTop;
623    int mStableFullscreenRight, mStableFullscreenBottom;
624    // During layout, the current screen borders with all outer decoration
625    // (status bar, input method dock) accounted for.
626    int mCurLeft, mCurTop, mCurRight, mCurBottom;
627    // During layout, the frame in which content should be displayed
628    // to the user, accounting for all screen decoration except for any
629    // space they deem as available for other content.  This is usually
630    // the same as mCur*, but may be larger if the screen decor has supplied
631    // content insets.
632    int mContentLeft, mContentTop, mContentRight, mContentBottom;
633    // During layout, the frame in which voice content should be displayed
634    // to the user, accounting for all screen decoration except for any
635    // space they deem as available for other content.
636    int mVoiceContentLeft, mVoiceContentTop, mVoiceContentRight, mVoiceContentBottom;
637    // During layout, the current screen borders along which input method
638    // windows are placed.
639    int mDockLeft, mDockTop, mDockRight, mDockBottom;
640    // During layout, the layer at which the doc window is placed.
641    int mDockLayer;
642    // During layout, this is the layer of the status bar.
643    int mStatusBarLayer;
644    int mLastSystemUiFlags;
645    // Bits that we are in the process of clearing, so we want to prevent
646    // them from being set by applications until everything has been updated
647    // to have them clear.
648    int mResettingSystemUiFlags = 0;
649    // Bits that we are currently always keeping cleared.
650    int mForceClearedSystemUiFlags = 0;
651    int mLastFullscreenStackSysUiFlags;
652    int mLastDockedStackSysUiFlags;
653    final Rect mNonDockedStackBounds = new Rect();
654    final Rect mDockedStackBounds = new Rect();
655    final Rect mLastNonDockedStackBounds = new Rect();
656    final Rect mLastDockedStackBounds = new Rect();
657
658    // What we last reported to system UI about whether the compatibility
659    // menu needs to be displayed.
660    boolean mLastFocusNeedsMenu = false;
661    // If nonzero, a panic gesture was performed at that time in uptime millis and is still pending.
662    private long mPendingPanicGestureUptime;
663
664    InputConsumer mInputConsumer = null;
665
666    static final Rect mTmpParentFrame = new Rect();
667    static final Rect mTmpDisplayFrame = new Rect();
668    static final Rect mTmpOverscanFrame = new Rect();
669    static final Rect mTmpContentFrame = new Rect();
670    static final Rect mTmpVisibleFrame = new Rect();
671    static final Rect mTmpDecorFrame = new Rect();
672    static final Rect mTmpStableFrame = new Rect();
673    static final Rect mTmpNavigationFrame = new Rect();
674    static final Rect mTmpOutsetFrame = new Rect();
675    private static final Rect mTmpRect = new Rect();
676
677    WindowState mTopFullscreenOpaqueWindowState;
678    WindowState mTopFullscreenOpaqueOrDimmingWindowState;
679    WindowState mTopDockedOpaqueWindowState;
680    WindowState mTopDockedOpaqueOrDimmingWindowState;
681    boolean mTopIsFullscreen;
682    boolean mForceStatusBar;
683    boolean mForceStatusBarFromKeyguard;
684    private boolean mForceStatusBarTransparent;
685    int mNavBarOpacityMode = NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED;
686    boolean mForcingShowNavBar;
687    int mForcingShowNavBarLayer;
688
689    private boolean mPendingKeyguardOccluded;
690    private boolean mKeyguardOccludedChanged;
691
692    boolean mShowingDream;
693    private boolean mLastShowingDream;
694    boolean mDreamingLockscreen;
695    boolean mDreamingSleepTokenNeeded;
696    SleepToken mDreamingSleepToken;
697    SleepToken mScreenOffSleepToken;
698    volatile boolean mKeyguardOccluded;
699    boolean mHomePressed;
700    boolean mHomeConsumed;
701    boolean mHomeDoubleTapPending;
702    Intent mHomeIntent;
703    Intent mCarDockIntent;
704    Intent mDeskDockIntent;
705    Intent mVrHeadsetHomeIntent;
706    boolean mSearchKeyShortcutPending;
707    boolean mConsumeSearchKeyUp;
708    boolean mAssistKeyLongPressed;
709    boolean mPendingMetaAction;
710    boolean mPendingCapsLockToggle;
711    int mMetaState;
712    int mInitialMetaState;
713    boolean mForceShowSystemBars;
714
715    // support for activating the lock screen while the screen is on
716    boolean mAllowLockscreenWhenOn;
717    int mLockScreenTimeout;
718    boolean mLockScreenTimerActive;
719
720    // Behavior of ENDCALL Button.  (See Settings.System.END_BUTTON_BEHAVIOR.)
721    int mEndcallBehavior;
722
723    // Behavior of POWER button while in-call and screen on.
724    // (See Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR.)
725    int mIncallPowerBehavior;
726
727    // Behavior of Back button while in-call and screen on
728    int mIncallBackBehavior;
729
730    Display mDisplay;
731
732    private int mDisplayRotation;
733
734    int mLandscapeRotation = 0;  // default landscape rotation
735    int mSeascapeRotation = 0;   // "other" landscape rotation, 180 degrees from mLandscapeRotation
736    int mPortraitRotation = 0;   // default portrait rotation
737    int mUpsideDownRotation = 0; // "other" portrait rotation
738
739    int mOverscanLeft = 0;
740    int mOverscanTop = 0;
741    int mOverscanRight = 0;
742    int mOverscanBottom = 0;
743
744    // What we do when the user long presses on home
745    private int mLongPressOnHomeBehavior;
746
747    // What we do when the user double-taps on home
748    private int mDoubleTapOnHomeBehavior;
749
750    // Allowed theater mode wake actions
751    private boolean mAllowTheaterModeWakeFromKey;
752    private boolean mAllowTheaterModeWakeFromPowerKey;
753    private boolean mAllowTheaterModeWakeFromMotion;
754    private boolean mAllowTheaterModeWakeFromMotionWhenNotDreaming;
755    private boolean mAllowTheaterModeWakeFromCameraLens;
756    private boolean mAllowTheaterModeWakeFromLidSwitch;
757    private boolean mAllowTheaterModeWakeFromWakeGesture;
758
759    // Whether to support long press from power button in non-interactive mode
760    private boolean mSupportLongPressPowerWhenNonInteractive;
761
762    // Whether to go to sleep entering theater mode from power button
763    private boolean mGoToSleepOnButtonPressTheaterMode;
764
765    // Screenshot trigger states
766    // Time to volume and power must be pressed within this interval of each other.
767    private static final long SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS = 150;
768    // Increase the chord delay when taking a screenshot from the keyguard
769    private static final float KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER = 2.5f;
770    private boolean mScreenshotChordEnabled;
771    private boolean mScreenshotChordVolumeDownKeyTriggered;
772    private long mScreenshotChordVolumeDownKeyTime;
773    private boolean mScreenshotChordVolumeDownKeyConsumed;
774    private boolean mA11yShortcutChordVolumeUpKeyTriggered;
775    private long mA11yShortcutChordVolumeUpKeyTime;
776    private boolean mA11yShortcutChordVolumeUpKeyConsumed;
777
778    private boolean mScreenshotChordPowerKeyTriggered;
779    private long mScreenshotChordPowerKeyTime;
780
781    private static final long BUGREPORT_TV_GESTURE_TIMEOUT_MILLIS = 1000;
782
783    private boolean mBugreportTvKey1Pressed;
784    private boolean mBugreportTvKey2Pressed;
785    private boolean mBugreportTvScheduled;
786
787    private boolean mAccessibilityTvKey1Pressed;
788    private boolean mAccessibilityTvKey2Pressed;
789    private boolean mAccessibilityTvScheduled;
790
791    /* The number of steps between min and max brightness */
792    private static final int BRIGHTNESS_STEPS = 10;
793
794    SettingsObserver mSettingsObserver;
795    ShortcutManager mShortcutManager;
796    PowerManager.WakeLock mBroadcastWakeLock;
797    PowerManager.WakeLock mPowerKeyWakeLock;
798    boolean mHavePendingMediaKeyRepeatWithWakeLock;
799
800    private int mCurrentUserId;
801
802    // Maps global key codes to the components that will handle them.
803    private GlobalKeyManager mGlobalKeyManager;
804
805    // Fallback actions by key code.
806    private final SparseArray<KeyCharacterMap.FallbackAction> mFallbackActions =
807            new SparseArray<KeyCharacterMap.FallbackAction>();
808
809    private final LogDecelerateInterpolator mLogDecelerateInterpolator
810            = new LogDecelerateInterpolator(100, 0);
811
812    private final MutableBoolean mTmpBoolean = new MutableBoolean(false);
813
814    private static final int MSG_ENABLE_POINTER_LOCATION = 1;
815    private static final int MSG_DISABLE_POINTER_LOCATION = 2;
816    private static final int MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK = 3;
817    private static final int MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK = 4;
818    private static final int MSG_KEYGUARD_DRAWN_COMPLETE = 5;
819    private static final int MSG_KEYGUARD_DRAWN_TIMEOUT = 6;
820    private static final int MSG_WINDOW_MANAGER_DRAWN_COMPLETE = 7;
821    private static final int MSG_DISPATCH_SHOW_RECENTS = 9;
822    private static final int MSG_DISPATCH_SHOW_GLOBAL_ACTIONS = 10;
823    private static final int MSG_HIDE_BOOT_MESSAGE = 11;
824    private static final int MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK = 12;
825    private static final int MSG_POWER_DELAYED_PRESS = 13;
826    private static final int MSG_POWER_LONG_PRESS = 14;
827    private static final int MSG_UPDATE_DREAMING_SLEEP_TOKEN = 15;
828    private static final int MSG_REQUEST_TRANSIENT_BARS = 16;
829    private static final int MSG_SHOW_PICTURE_IN_PICTURE_MENU = 17;
830    private static final int MSG_BACK_LONG_PRESS = 18;
831    private static final int MSG_DISPOSE_INPUT_CONSUMER = 19;
832    private static final int MSG_BACK_DELAYED_PRESS = 20;
833    private static final int MSG_ACCESSIBILITY_SHORTCUT = 21;
834    private static final int MSG_BUGREPORT_TV = 22;
835    private static final int MSG_ACCESSIBILITY_TV = 23;
836    private static final int MSG_DISPATCH_BACK_KEY_TO_AUTOFILL = 24;
837
838    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS = 0;
839    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION = 1;
840
841    private class PolicyHandler extends Handler {
842        @Override
843        public void handleMessage(Message msg) {
844            switch (msg.what) {
845                case MSG_ENABLE_POINTER_LOCATION:
846                    enablePointerLocation();
847                    break;
848                case MSG_DISABLE_POINTER_LOCATION:
849                    disablePointerLocation();
850                    break;
851                case MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK:
852                    dispatchMediaKeyWithWakeLock((KeyEvent)msg.obj);
853                    break;
854                case MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK:
855                    dispatchMediaKeyRepeatWithWakeLock((KeyEvent)msg.obj);
856                    break;
857                case MSG_DISPATCH_SHOW_RECENTS:
858                    showRecentApps(false, msg.arg1 != 0);
859                    break;
860                case MSG_DISPATCH_SHOW_GLOBAL_ACTIONS:
861                    showGlobalActionsInternal();
862                    break;
863                case MSG_KEYGUARD_DRAWN_COMPLETE:
864                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mKeyguardDrawComplete");
865                    finishKeyguardDrawn();
866                    break;
867                case MSG_KEYGUARD_DRAWN_TIMEOUT:
868                    Slog.w(TAG, "Keyguard drawn timeout. Setting mKeyguardDrawComplete");
869                    finishKeyguardDrawn();
870                    break;
871                case MSG_WINDOW_MANAGER_DRAWN_COMPLETE:
872                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mWindowManagerDrawComplete");
873                    finishWindowsDrawn();
874                    break;
875                case MSG_HIDE_BOOT_MESSAGE:
876                    handleHideBootMessage();
877                    break;
878                case MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK:
879                    launchVoiceAssistWithWakeLock(msg.arg1 != 0);
880                    break;
881                case MSG_POWER_DELAYED_PRESS:
882                    powerPress((Long)msg.obj, msg.arg1 != 0, msg.arg2);
883                    finishPowerKeyPress();
884                    break;
885                case MSG_POWER_LONG_PRESS:
886                    powerLongPress();
887                    break;
888                case MSG_UPDATE_DREAMING_SLEEP_TOKEN:
889                    updateDreamingSleepToken(msg.arg1 != 0);
890                    break;
891                case MSG_REQUEST_TRANSIENT_BARS:
892                    WindowState targetBar = (msg.arg1 == MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS) ?
893                            mStatusBar : mNavigationBar;
894                    if (targetBar != null) {
895                        requestTransientBars(targetBar);
896                    }
897                    break;
898                case MSG_SHOW_PICTURE_IN_PICTURE_MENU:
899                    showPictureInPictureMenuInternal();
900                    break;
901                case MSG_BACK_LONG_PRESS:
902                    backLongPress();
903                    finishBackKeyPress();
904                    break;
905                case MSG_DISPOSE_INPUT_CONSUMER:
906                    disposeInputConsumer((InputConsumer) msg.obj);
907                    break;
908                case MSG_BACK_DELAYED_PRESS:
909                    backMultiPressAction((Long) msg.obj, msg.arg1);
910                    finishBackKeyPress();
911                    break;
912                case MSG_ACCESSIBILITY_SHORTCUT:
913                    accessibilityShortcutActivated();
914                    break;
915                case MSG_BUGREPORT_TV:
916                    takeBugreport();
917                    break;
918                case MSG_ACCESSIBILITY_TV:
919                    if (mAccessibilityShortcutController.isAccessibilityShortcutAvailable(false)) {
920                        accessibilityShortcutActivated();
921                    }
922                    break;
923                case MSG_DISPATCH_BACK_KEY_TO_AUTOFILL:
924                    mAutofillManagerInternal.onBackKeyPressed();
925                    break;
926            }
927        }
928    }
929
930    private UEventObserver mHDMIObserver = new UEventObserver() {
931        @Override
932        public void onUEvent(UEventObserver.UEvent event) {
933            setHdmiPlugged("1".equals(event.get("SWITCH_STATE")));
934        }
935    };
936
937    class SettingsObserver extends ContentObserver {
938        SettingsObserver(Handler handler) {
939            super(handler);
940        }
941
942        void observe() {
943            // Observe all users' changes
944            ContentResolver resolver = mContext.getContentResolver();
945            resolver.registerContentObserver(Settings.System.getUriFor(
946                    Settings.System.END_BUTTON_BEHAVIOR), false, this,
947                    UserHandle.USER_ALL);
948            resolver.registerContentObserver(Settings.Secure.getUriFor(
949                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR), false, this,
950                    UserHandle.USER_ALL);
951            resolver.registerContentObserver(Settings.Secure.getUriFor(
952                    Settings.Secure.INCALL_BACK_BUTTON_BEHAVIOR), false, this,
953                    UserHandle.USER_ALL);
954            resolver.registerContentObserver(Settings.Secure.getUriFor(
955                    Settings.Secure.WAKE_GESTURE_ENABLED), false, this,
956                    UserHandle.USER_ALL);
957            resolver.registerContentObserver(Settings.System.getUriFor(
958                    Settings.System.ACCELEROMETER_ROTATION), false, this,
959                    UserHandle.USER_ALL);
960            resolver.registerContentObserver(Settings.System.getUriFor(
961                    Settings.System.USER_ROTATION), false, this,
962                    UserHandle.USER_ALL);
963            resolver.registerContentObserver(Settings.System.getUriFor(
964                    Settings.System.SCREEN_OFF_TIMEOUT), false, this,
965                    UserHandle.USER_ALL);
966            resolver.registerContentObserver(Settings.System.getUriFor(
967                    Settings.System.POINTER_LOCATION), false, this,
968                    UserHandle.USER_ALL);
969            resolver.registerContentObserver(Settings.Secure.getUriFor(
970                    Settings.Secure.DEFAULT_INPUT_METHOD), false, this,
971                    UserHandle.USER_ALL);
972            resolver.registerContentObserver(Settings.Secure.getUriFor(
973                    Settings.Secure.IMMERSIVE_MODE_CONFIRMATIONS), false, this,
974                    UserHandle.USER_ALL);
975            resolver.registerContentObserver(Settings.Global.getUriFor(
976                    Settings.Global.POLICY_CONTROL), false, this,
977                    UserHandle.USER_ALL);
978            updateSettings();
979        }
980
981        @Override public void onChange(boolean selfChange) {
982            updateSettings();
983            updateRotation(false);
984        }
985    }
986
987    class MyWakeGestureListener extends WakeGestureListener {
988        MyWakeGestureListener(Context context, Handler handler) {
989            super(context, handler);
990        }
991
992        @Override
993        public void onWakeUp() {
994            synchronized (mLock) {
995                if (shouldEnableWakeGestureLp()) {
996                    performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
997                    wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromWakeGesture,
998                            "android.policy:GESTURE");
999                }
1000            }
1001        }
1002    }
1003
1004    class MyOrientationListener extends WindowOrientationListener {
1005        private final Runnable mUpdateRotationRunnable = new Runnable() {
1006            @Override
1007            public void run() {
1008                // send interaction hint to improve redraw performance
1009                mPowerManagerInternal.powerHint(PowerHint.INTERACTION, 0);
1010                updateRotation(false);
1011            }
1012        };
1013
1014        MyOrientationListener(Context context, Handler handler) {
1015            super(context, handler);
1016        }
1017
1018        @Override
1019        public void onProposedRotationChanged(int rotation) {
1020            if (localLOGV) Slog.v(TAG, "onProposedRotationChanged, rotation=" + rotation);
1021            mHandler.post(mUpdateRotationRunnable);
1022        }
1023    }
1024    MyOrientationListener mOrientationListener;
1025
1026    final IPersistentVrStateCallbacks mPersistentVrModeListener =
1027            new IPersistentVrStateCallbacks.Stub() {
1028        @Override
1029        public void onPersistentVrStateChanged(boolean enabled) {
1030            mPersistentVrModeEnabled = enabled;
1031        }
1032    };
1033
1034    private final StatusBarController mStatusBarController = new StatusBarController();
1035
1036    private final BarController mNavigationBarController = new BarController("NavigationBar",
1037            View.NAVIGATION_BAR_TRANSIENT,
1038            View.NAVIGATION_BAR_UNHIDE,
1039            View.NAVIGATION_BAR_TRANSLUCENT,
1040            StatusBarManager.WINDOW_NAVIGATION_BAR,
1041            WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION,
1042            View.NAVIGATION_BAR_TRANSPARENT);
1043
1044    private final BarController.OnBarVisibilityChangedListener mNavBarVisibilityListener =
1045            new BarController.OnBarVisibilityChangedListener() {
1046        @Override
1047        public void onBarVisibilityChanged(boolean visible) {
1048            mAccessibilityManager.notifyAccessibilityButtonAvailabilityChanged(visible);
1049        }
1050    };
1051
1052    private ImmersiveModeConfirmation mImmersiveModeConfirmation;
1053
1054    private SystemGesturesPointerEventListener mSystemGestures;
1055
1056    IStatusBarService getStatusBarService() {
1057        synchronized (mServiceAquireLock) {
1058            if (mStatusBarService == null) {
1059                mStatusBarService = IStatusBarService.Stub.asInterface(
1060                        ServiceManager.getService("statusbar"));
1061            }
1062            return mStatusBarService;
1063        }
1064    }
1065
1066    StatusBarManagerInternal getStatusBarManagerInternal() {
1067        synchronized (mServiceAquireLock) {
1068            if (mStatusBarManagerInternal == null) {
1069                mStatusBarManagerInternal =
1070                        LocalServices.getService(StatusBarManagerInternal.class);
1071            }
1072            return mStatusBarManagerInternal;
1073        }
1074    }
1075
1076    /*
1077     * We always let the sensor be switched on by default except when
1078     * the user has explicitly disabled sensor based rotation or when the
1079     * screen is switched off.
1080     */
1081    boolean needSensorRunningLp() {
1082        if (mSupportAutoRotation) {
1083            if (mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
1084                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
1085                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT
1086                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE) {
1087                // If the application has explicitly requested to follow the
1088                // orientation, then we need to turn the sensor on.
1089                return true;
1090            }
1091        }
1092        if ((mCarDockEnablesAccelerometer && mDockMode == Intent.EXTRA_DOCK_STATE_CAR) ||
1093                (mDeskDockEnablesAccelerometer && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
1094                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
1095                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK))) {
1096            // enable accelerometer if we are docked in a dock that enables accelerometer
1097            // orientation management,
1098            return true;
1099        }
1100        if (mUserRotationMode == USER_ROTATION_LOCKED) {
1101            // If the setting for using the sensor by default is enabled, then
1102            // we will always leave it on.  Note that the user could go to
1103            // a window that forces an orientation that does not use the
1104            // sensor and in theory we could turn it off... however, when next
1105            // turning it on we won't have a good value for the current
1106            // orientation for a little bit, which can cause orientation
1107            // changes to lag, so we'd like to keep it always on.  (It will
1108            // still be turned off when the screen is off.)
1109            return false;
1110        }
1111        return mSupportAutoRotation;
1112    }
1113
1114    /*
1115     * Various use cases for invoking this function
1116     * screen turning off, should always disable listeners if already enabled
1117     * screen turned on and current app has sensor based orientation, enable listeners
1118     * if not already enabled
1119     * screen turned on and current app does not have sensor orientation, disable listeners if
1120     * already enabled
1121     * screen turning on and current app has sensor based orientation, enable listeners if needed
1122     * screen turning on and current app has nosensor based orientation, do nothing
1123     */
1124    void updateOrientationListenerLp() {
1125        if (!mOrientationListener.canDetectOrientation()) {
1126            // If sensor is turned off or nonexistent for some reason
1127            return;
1128        }
1129        // Could have been invoked due to screen turning on or off or
1130        // change of the currently visible window's orientation.
1131        if (localLOGV) Slog.v(TAG, "mScreenOnEarly=" + mScreenOnEarly
1132                + ", mAwake=" + mAwake + ", mCurrentAppOrientation=" + mCurrentAppOrientation
1133                + ", mOrientationSensorEnabled=" + mOrientationSensorEnabled
1134                + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
1135                + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
1136        final boolean keyguardGoingAway = mWindowManagerInternal.isKeyguardGoingAway();
1137
1138        boolean disable = true;
1139        // Note: We postpone the rotating of the screen until the keyguard as well as the
1140        // window manager have reported a draw complete or the keyguard is going away in dismiss
1141        // mode.
1142        if (mScreenOnEarly && mAwake && ((mKeyguardDrawComplete && mWindowManagerDrawComplete)
1143                || keyguardGoingAway)) {
1144            if (needSensorRunningLp()) {
1145                disable = false;
1146                //enable listener if not already enabled
1147                if (!mOrientationSensorEnabled) {
1148                    // Don't clear the current sensor orientation if the keyguard is going away in
1149                    // dismiss mode. This allows window manager to use the last sensor reading to
1150                    // determine the orientation vs. falling back to the last known orientation if
1151                    // the sensor reading was cleared which can cause it to relaunch the app that
1152                    // will show in the wrong orientation first before correcting leading to app
1153                    // launch delays.
1154                    mOrientationListener.enable(!keyguardGoingAway /* clearCurrentRotation */);
1155                    if(localLOGV) Slog.v(TAG, "Enabling listeners");
1156                    mOrientationSensorEnabled = true;
1157                }
1158            }
1159        }
1160        //check if sensors need to be disabled
1161        if (disable && mOrientationSensorEnabled) {
1162            mOrientationListener.disable();
1163            if(localLOGV) Slog.v(TAG, "Disabling listeners");
1164            mOrientationSensorEnabled = false;
1165        }
1166    }
1167
1168    private void interceptBackKeyDown() {
1169        MetricsLogger.count(mContext, "key_back_down", 1);
1170        // Reset back key state for long press
1171        mBackKeyHandled = false;
1172
1173        // Cancel multi-press detection timeout.
1174        if (hasPanicPressOnBackBehavior()) {
1175            if (mBackKeyPressCounter != 0
1176                    && mBackKeyPressCounter < PANIC_PRESS_BACK_COUNT) {
1177                mHandler.removeMessages(MSG_BACK_DELAYED_PRESS);
1178            }
1179        }
1180
1181        if (hasLongPressOnBackBehavior()) {
1182            Message msg = mHandler.obtainMessage(MSG_BACK_LONG_PRESS);
1183            msg.setAsynchronous(true);
1184            mHandler.sendMessageDelayed(msg,
1185                    ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1186        }
1187    }
1188
1189    // returns true if the key was handled and should not be passed to the user
1190    private boolean interceptBackKeyUp(KeyEvent event) {
1191        // Cache handled state
1192        boolean handled = mBackKeyHandled;
1193
1194        if (hasPanicPressOnBackBehavior()) {
1195            // Check for back key panic press
1196            ++mBackKeyPressCounter;
1197
1198            final long eventTime = event.getDownTime();
1199
1200            if (mBackKeyPressCounter <= PANIC_PRESS_BACK_COUNT) {
1201                // This could be a multi-press.  Wait a little bit longer to confirm.
1202                Message msg = mHandler.obtainMessage(MSG_BACK_DELAYED_PRESS,
1203                    mBackKeyPressCounter, 0, eventTime);
1204                msg.setAsynchronous(true);
1205                mHandler.sendMessageDelayed(msg, ViewConfiguration.getMultiPressTimeout());
1206            }
1207        }
1208
1209        // Reset back long press state
1210        cancelPendingBackKeyAction();
1211
1212        if (mHasFeatureWatch) {
1213            TelecomManager telecomManager = getTelecommService();
1214
1215            if (telecomManager != null) {
1216                if (telecomManager.isRinging()) {
1217                    // Pressing back while there's a ringing incoming
1218                    // call should silence the ringer.
1219                    telecomManager.silenceRinger();
1220
1221                    // It should not prevent navigating away
1222                    return false;
1223                } else if (
1224                    (mIncallBackBehavior & Settings.Secure.INCALL_BACK_BUTTON_BEHAVIOR_HANGUP) != 0
1225                        && telecomManager.isInCall()) {
1226                    // Otherwise, if "Back button ends call" is enabled,
1227                    // the Back button will hang up any current active call.
1228                    return telecomManager.endCall();
1229                }
1230            }
1231        }
1232
1233        if (mAutofillManagerInternal != null && event.getKeyCode() == KeyEvent.KEYCODE_BACK) {
1234            mHandler.sendMessage(mHandler.obtainMessage(MSG_DISPATCH_BACK_KEY_TO_AUTOFILL));
1235        }
1236
1237        return handled;
1238    }
1239
1240    private void interceptPowerKeyDown(KeyEvent event, boolean interactive) {
1241        // Hold a wake lock until the power key is released.
1242        if (!mPowerKeyWakeLock.isHeld()) {
1243            mPowerKeyWakeLock.acquire();
1244        }
1245
1246        // Cancel multi-press detection timeout.
1247        if (mPowerKeyPressCounter != 0) {
1248            mHandler.removeMessages(MSG_POWER_DELAYED_PRESS);
1249        }
1250
1251        // Detect user pressing the power button in panic when an application has
1252        // taken over the whole screen.
1253        boolean panic = mImmersiveModeConfirmation.onPowerKeyDown(interactive,
1254                SystemClock.elapsedRealtime(), isImmersiveMode(mLastSystemUiFlags),
1255                isNavBarEmpty(mLastSystemUiFlags));
1256        if (panic) {
1257            mHandler.post(mHiddenNavPanic);
1258        }
1259
1260        // Latch power key state to detect screenshot chord.
1261        if (interactive && !mScreenshotChordPowerKeyTriggered
1262                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
1263            mScreenshotChordPowerKeyTriggered = true;
1264            mScreenshotChordPowerKeyTime = event.getDownTime();
1265            interceptScreenshotChord();
1266        }
1267
1268        // Stop ringing or end call if configured to do so when power is pressed.
1269        TelecomManager telecomManager = getTelecommService();
1270        boolean hungUp = false;
1271        if (telecomManager != null) {
1272            if (telecomManager.isRinging()) {
1273                // Pressing Power while there's a ringing incoming
1274                // call should silence the ringer.
1275                telecomManager.silenceRinger();
1276            } else if ((mIncallPowerBehavior
1277                    & Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP) != 0
1278                    && telecomManager.isInCall() && interactive) {
1279                // Otherwise, if "Power button ends call" is enabled,
1280                // the Power button will hang up any current active call.
1281                hungUp = telecomManager.endCall();
1282            }
1283        }
1284
1285        GestureLauncherService gestureService = LocalServices.getService(
1286                GestureLauncherService.class);
1287        boolean gesturedServiceIntercepted = false;
1288        if (gestureService != null) {
1289            gesturedServiceIntercepted = gestureService.interceptPowerKeyDown(event, interactive,
1290                    mTmpBoolean);
1291            if (mTmpBoolean.value && mGoingToSleep) {
1292                mCameraGestureTriggeredDuringGoingToSleep = true;
1293            }
1294        }
1295
1296        // If the power key has still not yet been handled, then detect short
1297        // press, long press, or multi press and decide what to do.
1298        mPowerKeyHandled = hungUp || mScreenshotChordVolumeDownKeyTriggered
1299                || mA11yShortcutChordVolumeUpKeyTriggered || gesturedServiceIntercepted;
1300        if (!mPowerKeyHandled) {
1301            if (interactive) {
1302                // When interactive, we're already awake.
1303                // Wait for a long press or for the button to be released to decide what to do.
1304                if (hasLongPressOnPowerBehavior()) {
1305                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
1306                    msg.setAsynchronous(true);
1307                    mHandler.sendMessageDelayed(msg,
1308                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1309                }
1310            } else {
1311                wakeUpFromPowerKey(event.getDownTime());
1312
1313                if (mSupportLongPressPowerWhenNonInteractive && hasLongPressOnPowerBehavior()) {
1314                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
1315                    msg.setAsynchronous(true);
1316                    mHandler.sendMessageDelayed(msg,
1317                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1318                    mBeganFromNonInteractive = true;
1319                } else {
1320                    final int maxCount = getMaxMultiPressPowerCount();
1321
1322                    if (maxCount <= 1) {
1323                        mPowerKeyHandled = true;
1324                    } else {
1325                        mBeganFromNonInteractive = true;
1326                    }
1327                }
1328            }
1329        }
1330    }
1331
1332    private void interceptPowerKeyUp(KeyEvent event, boolean interactive, boolean canceled) {
1333        final boolean handled = canceled || mPowerKeyHandled;
1334        mScreenshotChordPowerKeyTriggered = false;
1335        cancelPendingScreenshotChordAction();
1336        cancelPendingPowerKeyAction();
1337
1338        if (!handled) {
1339            // Figure out how to handle the key now that it has been released.
1340            mPowerKeyPressCounter += 1;
1341
1342            final int maxCount = getMaxMultiPressPowerCount();
1343            final long eventTime = event.getDownTime();
1344            if (mPowerKeyPressCounter < maxCount) {
1345                // This could be a multi-press.  Wait a little bit longer to confirm.
1346                // Continue holding the wake lock.
1347                Message msg = mHandler.obtainMessage(MSG_POWER_DELAYED_PRESS,
1348                        interactive ? 1 : 0, mPowerKeyPressCounter, eventTime);
1349                msg.setAsynchronous(true);
1350                mHandler.sendMessageDelayed(msg, ViewConfiguration.getDoubleTapTimeout());
1351                return;
1352            }
1353
1354            // No other actions.  Handle it immediately.
1355            powerPress(eventTime, interactive, mPowerKeyPressCounter);
1356        }
1357
1358        // Done.  Reset our state.
1359        finishPowerKeyPress();
1360    }
1361
1362    private void finishPowerKeyPress() {
1363        mBeganFromNonInteractive = false;
1364        mPowerKeyPressCounter = 0;
1365        if (mPowerKeyWakeLock.isHeld()) {
1366            mPowerKeyWakeLock.release();
1367        }
1368    }
1369
1370    private void finishBackKeyPress() {
1371        mBackKeyPressCounter = 0;
1372    }
1373
1374    private void cancelPendingPowerKeyAction() {
1375        if (!mPowerKeyHandled) {
1376            mPowerKeyHandled = true;
1377            mHandler.removeMessages(MSG_POWER_LONG_PRESS);
1378        }
1379    }
1380
1381    private void cancelPendingBackKeyAction() {
1382        if (!mBackKeyHandled) {
1383            mBackKeyHandled = true;
1384            mHandler.removeMessages(MSG_BACK_LONG_PRESS);
1385        }
1386    }
1387
1388    private void backMultiPressAction(long eventTime, int count) {
1389        if (count >= PANIC_PRESS_BACK_COUNT) {
1390            switch (mPanicPressOnBackBehavior) {
1391                case PANIC_PRESS_BACK_NOTHING:
1392                    break;
1393                case PANIC_PRESS_BACK_HOME:
1394                    launchHomeFromHotKey();
1395                    break;
1396            }
1397        }
1398    }
1399
1400    private void powerPress(long eventTime, boolean interactive, int count) {
1401        if (mScreenOnEarly && !mScreenOnFully) {
1402            Slog.i(TAG, "Suppressed redundant power key press while "
1403                    + "already in the process of turning the screen on.");
1404            return;
1405        }
1406
1407        if (count == 2) {
1408            powerMultiPressAction(eventTime, interactive, mDoublePressOnPowerBehavior);
1409        } else if (count == 3) {
1410            powerMultiPressAction(eventTime, interactive, mTriplePressOnPowerBehavior);
1411        } else if (interactive && !mBeganFromNonInteractive) {
1412            switch (mShortPressOnPowerBehavior) {
1413                case SHORT_PRESS_POWER_NOTHING:
1414                    break;
1415                case SHORT_PRESS_POWER_GO_TO_SLEEP:
1416                    mPowerManager.goToSleep(eventTime,
1417                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1418                    break;
1419                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP:
1420                    mPowerManager.goToSleep(eventTime,
1421                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1422                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1423                    break;
1424                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME:
1425                    mPowerManager.goToSleep(eventTime,
1426                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1427                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1428                    launchHomeFromHotKey();
1429                    break;
1430                case SHORT_PRESS_POWER_GO_HOME:
1431                    shortPressPowerGoHome();
1432                    break;
1433                case SHORT_PRESS_POWER_CLOSE_IME_OR_GO_HOME: {
1434                    if (mDismissImeOnBackKeyPressed) {
1435                        if (mInputMethodManagerInternal == null) {
1436                            mInputMethodManagerInternal =
1437                                    LocalServices.getService(InputMethodManagerInternal.class);
1438                        }
1439                        if (mInputMethodManagerInternal != null) {
1440                            mInputMethodManagerInternal.hideCurrentInputMethod();
1441                        }
1442                    } else {
1443                        shortPressPowerGoHome();
1444                    }
1445                    break;
1446                }
1447            }
1448        }
1449    }
1450
1451    private void shortPressPowerGoHome() {
1452        launchHomeFromHotKey(true /* awakenFromDreams */, false /*respectKeyguard*/);
1453        if (isKeyguardShowingAndNotOccluded()) {
1454            // Notify keyguard so it can do any special handling for the power button since the
1455            // device will not power off and only launch home.
1456            mKeyguardDelegate.onShortPowerPressedGoHome();
1457        }
1458    }
1459
1460    private void powerMultiPressAction(long eventTime, boolean interactive, int behavior) {
1461        switch (behavior) {
1462            case MULTI_PRESS_POWER_NOTHING:
1463                break;
1464            case MULTI_PRESS_POWER_THEATER_MODE:
1465                if (!isUserSetupComplete()) {
1466                    Slog.i(TAG, "Ignoring toggling theater mode - device not setup.");
1467                    break;
1468                }
1469
1470                if (isTheaterModeEnabled()) {
1471                    Slog.i(TAG, "Toggling theater mode off.");
1472                    Settings.Global.putInt(mContext.getContentResolver(),
1473                            Settings.Global.THEATER_MODE_ON, 0);
1474                    if (!interactive) {
1475                        wakeUpFromPowerKey(eventTime);
1476                    }
1477                } else {
1478                    Slog.i(TAG, "Toggling theater mode on.");
1479                    Settings.Global.putInt(mContext.getContentResolver(),
1480                            Settings.Global.THEATER_MODE_ON, 1);
1481
1482                    if (mGoToSleepOnButtonPressTheaterMode && interactive) {
1483                        mPowerManager.goToSleep(eventTime,
1484                                PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1485                    }
1486                }
1487                break;
1488            case MULTI_PRESS_POWER_BRIGHTNESS_BOOST:
1489                Slog.i(TAG, "Starting brightness boost.");
1490                if (!interactive) {
1491                    wakeUpFromPowerKey(eventTime);
1492                }
1493                mPowerManager.boostScreenBrightness(eventTime);
1494                break;
1495        }
1496    }
1497
1498    private int getMaxMultiPressPowerCount() {
1499        if (mTriplePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1500            return 3;
1501        }
1502        if (mDoublePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1503            return 2;
1504        }
1505        return 1;
1506    }
1507
1508    private void powerLongPress() {
1509        final int behavior = getResolvedLongPressOnPowerBehavior();
1510        switch (behavior) {
1511        case LONG_PRESS_POWER_NOTHING:
1512            break;
1513        case LONG_PRESS_POWER_GLOBAL_ACTIONS:
1514            mPowerKeyHandled = true;
1515            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1516            showGlobalActionsInternal();
1517            break;
1518        case LONG_PRESS_POWER_SHUT_OFF:
1519        case LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM:
1520            mPowerKeyHandled = true;
1521            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1522            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1523            mWindowManagerFuncs.shutdown(behavior == LONG_PRESS_POWER_SHUT_OFF);
1524            break;
1525        }
1526    }
1527
1528    private void backLongPress() {
1529        mBackKeyHandled = true;
1530
1531        switch (mLongPressOnBackBehavior) {
1532            case LONG_PRESS_BACK_NOTHING:
1533                break;
1534            case LONG_PRESS_BACK_GO_TO_VOICE_ASSIST:
1535                final boolean keyguardActive = mKeyguardDelegate == null
1536                        ? false
1537                        : mKeyguardDelegate.isShowing();
1538                if (!keyguardActive) {
1539                    Intent intent = new Intent(Intent.ACTION_VOICE_ASSIST);
1540                    startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
1541                }
1542                break;
1543        }
1544    }
1545
1546    private void accessibilityShortcutActivated() {
1547        mAccessibilityShortcutController.performAccessibilityShortcut();
1548    }
1549
1550    private void disposeInputConsumer(InputConsumer inputConsumer) {
1551        if (inputConsumer != null) {
1552            inputConsumer.dismiss();
1553        }
1554    }
1555
1556    private void sleepPress(long eventTime) {
1557        if (mShortPressOnSleepBehavior == SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME) {
1558            launchHomeFromHotKey(false /* awakenDreams */, true /*respectKeyguard*/);
1559        }
1560    }
1561
1562    private void sleepRelease(long eventTime) {
1563        switch (mShortPressOnSleepBehavior) {
1564            case SHORT_PRESS_SLEEP_GO_TO_SLEEP:
1565            case SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME:
1566                Slog.i(TAG, "sleepRelease() calling goToSleep(GO_TO_SLEEP_REASON_SLEEP_BUTTON)");
1567                mPowerManager.goToSleep(eventTime,
1568                       PowerManager.GO_TO_SLEEP_REASON_SLEEP_BUTTON, 0);
1569                break;
1570        }
1571    }
1572
1573    private int getResolvedLongPressOnPowerBehavior() {
1574        if (FactoryTest.isLongPressOnPowerOffEnabled()) {
1575            return LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;
1576        }
1577        return mLongPressOnPowerBehavior;
1578    }
1579
1580    private boolean hasLongPressOnPowerBehavior() {
1581        return getResolvedLongPressOnPowerBehavior() != LONG_PRESS_POWER_NOTHING;
1582    }
1583
1584    private boolean hasLongPressOnBackBehavior() {
1585        return mLongPressOnBackBehavior != LONG_PRESS_BACK_NOTHING;
1586    }
1587
1588    private boolean hasPanicPressOnBackBehavior() {
1589        return mPanicPressOnBackBehavior != PANIC_PRESS_BACK_NOTHING;
1590    }
1591
1592    private void interceptScreenshotChord() {
1593        if (mScreenshotChordEnabled
1594                && mScreenshotChordVolumeDownKeyTriggered && mScreenshotChordPowerKeyTriggered
1595                && !mA11yShortcutChordVolumeUpKeyTriggered) {
1596            final long now = SystemClock.uptimeMillis();
1597            if (now <= mScreenshotChordVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS
1598                    && now <= mScreenshotChordPowerKeyTime
1599                            + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS) {
1600                mScreenshotChordVolumeDownKeyConsumed = true;
1601                cancelPendingPowerKeyAction();
1602                mScreenshotRunnable.setScreenshotType(TAKE_SCREENSHOT_FULLSCREEN);
1603                mHandler.postDelayed(mScreenshotRunnable, getScreenshotChordLongPressDelay());
1604            }
1605        }
1606    }
1607
1608    private void interceptAccessibilityShortcutChord() {
1609        if (mAccessibilityShortcutController.isAccessibilityShortcutAvailable(isKeyguardLocked())
1610                && mScreenshotChordVolumeDownKeyTriggered && mA11yShortcutChordVolumeUpKeyTriggered
1611                && !mScreenshotChordPowerKeyTriggered) {
1612            final long now = SystemClock.uptimeMillis();
1613            if (now <= mScreenshotChordVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS
1614                    && now <= mA11yShortcutChordVolumeUpKeyTime
1615                    + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS) {
1616                mScreenshotChordVolumeDownKeyConsumed = true;
1617                mA11yShortcutChordVolumeUpKeyConsumed = true;
1618                mHandler.sendMessageDelayed(mHandler.obtainMessage(MSG_ACCESSIBILITY_SHORTCUT),
1619                        ViewConfiguration.get(mContext).getAccessibilityShortcutKeyTimeout());
1620            }
1621        }
1622    }
1623
1624    private long getScreenshotChordLongPressDelay() {
1625        if (mKeyguardDelegate.isShowing()) {
1626            // Double the time it takes to take a screenshot from the keyguard
1627            return (long) (KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER *
1628                    ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1629        }
1630        return ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout();
1631    }
1632
1633    private void cancelPendingScreenshotChordAction() {
1634        mHandler.removeCallbacks(mScreenshotRunnable);
1635    }
1636
1637    private void cancelPendingAccessibilityShortcutAction() {
1638        mHandler.removeMessages(MSG_ACCESSIBILITY_SHORTCUT);
1639    }
1640
1641    private final Runnable mEndCallLongPress = new Runnable() {
1642        @Override
1643        public void run() {
1644            mEndCallKeyHandled = true;
1645            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1646            showGlobalActionsInternal();
1647        }
1648    };
1649
1650    private class ScreenshotRunnable implements Runnable {
1651        private int mScreenshotType = TAKE_SCREENSHOT_FULLSCREEN;
1652
1653        public void setScreenshotType(int screenshotType) {
1654            mScreenshotType = screenshotType;
1655        }
1656
1657        @Override
1658        public void run() {
1659            takeScreenshot(mScreenshotType);
1660        }
1661    }
1662
1663    private final ScreenshotRunnable mScreenshotRunnable = new ScreenshotRunnable();
1664
1665    @Override
1666    public void showGlobalActions() {
1667        mHandler.removeMessages(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1668        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1669    }
1670
1671    void showGlobalActionsInternal() {
1672        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1673        if (mGlobalActions == null) {
1674            mGlobalActions = new GlobalActions(mContext, mWindowManagerFuncs);
1675        }
1676        final boolean keyguardShowing = isKeyguardShowingAndNotOccluded();
1677        mGlobalActions.showDialog(keyguardShowing, isDeviceProvisioned());
1678        if (keyguardShowing) {
1679            // since it took two seconds of long press to bring this up,
1680            // poke the wake lock so they have some time to see the dialog.
1681            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
1682        }
1683    }
1684
1685    boolean isDeviceProvisioned() {
1686        return Settings.Global.getInt(
1687                mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0;
1688    }
1689
1690    boolean isUserSetupComplete() {
1691        return Settings.Secure.getIntForUser(mContext.getContentResolver(),
1692                Settings.Secure.USER_SETUP_COMPLETE, 0, UserHandle.USER_CURRENT) != 0;
1693    }
1694
1695    private void handleShortPressOnHome() {
1696        // Turn on the connected TV and switch HDMI input if we're a HDMI playback device.
1697        final HdmiControl hdmiControl = getHdmiControl();
1698        if (hdmiControl != null) {
1699            hdmiControl.turnOnTv();
1700        }
1701
1702        // If there's a dream running then use home to escape the dream
1703        // but don't actually go home.
1704        if (mDreamManagerInternal != null && mDreamManagerInternal.isDreaming()) {
1705            mDreamManagerInternal.stopDream(false /*immediate*/);
1706            return;
1707        }
1708
1709        // Go home!
1710        launchHomeFromHotKey();
1711    }
1712
1713    /**
1714     * Creates an accessor to HDMI control service that performs the operation of
1715     * turning on TV (optional) and switching input to us. If HDMI control service
1716     * is not available or we're not a HDMI playback device, the operation is no-op.
1717     * @return {@link HdmiControl} instance if available, null otherwise.
1718     */
1719    private HdmiControl getHdmiControl() {
1720        if (null == mHdmiControl) {
1721            if (!mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_HDMI_CEC)) {
1722                return null;
1723            }
1724            HdmiControlManager manager = (HdmiControlManager) mContext.getSystemService(
1725                        Context.HDMI_CONTROL_SERVICE);
1726            HdmiPlaybackClient client = null;
1727            if (manager != null) {
1728                client = manager.getPlaybackClient();
1729            }
1730            mHdmiControl = new HdmiControl(client);
1731        }
1732        return mHdmiControl;
1733    }
1734
1735    private static class HdmiControl {
1736        private final HdmiPlaybackClient mClient;
1737
1738        private HdmiControl(HdmiPlaybackClient client) {
1739            mClient = client;
1740        }
1741
1742        public void turnOnTv() {
1743            if (mClient == null) {
1744                return;
1745            }
1746            mClient.oneTouchPlay(new OneTouchPlayCallback() {
1747                @Override
1748                public void onComplete(int result) {
1749                    if (result != HdmiControlManager.RESULT_SUCCESS) {
1750                        Log.w(TAG, "One touch play failed: " + result);
1751                    }
1752                }
1753            });
1754        }
1755    }
1756
1757    private void handleLongPressOnHome(int deviceId) {
1758        if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_NOTHING) {
1759            return;
1760        }
1761        mHomeConsumed = true;
1762        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1763        switch (mLongPressOnHomeBehavior) {
1764            case LONG_PRESS_HOME_ALL_APPS:
1765                launchAllAppsAction();
1766                break;
1767            case LONG_PRESS_HOME_ASSIST:
1768                launchAssistAction(null, deviceId);
1769                break;
1770            default:
1771                Log.w(TAG, "Undefined home long press behavior: " + mLongPressOnHomeBehavior);
1772                break;
1773        }
1774    }
1775
1776    private void launchAllAppsAction() {
1777        Intent intent = new Intent(Intent.ACTION_ALL_APPS);
1778        startActivityAsUser(intent, UserHandle.CURRENT);
1779    }
1780
1781    private void handleDoubleTapOnHome() {
1782        if (mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1783            mHomeConsumed = true;
1784            toggleRecentApps();
1785        }
1786    }
1787
1788    private void showPictureInPictureMenu(KeyEvent event) {
1789        if (DEBUG_INPUT) Log.d(TAG, "showPictureInPictureMenu event=" + event);
1790        mHandler.removeMessages(MSG_SHOW_PICTURE_IN_PICTURE_MENU);
1791        Message msg = mHandler.obtainMessage(MSG_SHOW_PICTURE_IN_PICTURE_MENU);
1792        msg.setAsynchronous(true);
1793        msg.sendToTarget();
1794    }
1795
1796    private void showPictureInPictureMenuInternal() {
1797        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
1798        if (statusbar != null) {
1799            statusbar.showPictureInPictureMenu();
1800        }
1801    }
1802
1803    private final Runnable mHomeDoubleTapTimeoutRunnable = new Runnable() {
1804        @Override
1805        public void run() {
1806            if (mHomeDoubleTapPending) {
1807                mHomeDoubleTapPending = false;
1808                handleShortPressOnHome();
1809            }
1810        }
1811    };
1812
1813    private boolean isRoundWindow() {
1814        return mContext.getResources().getConfiguration().isScreenRound();
1815    }
1816
1817    /** {@inheritDoc} */
1818    @Override
1819    public void init(Context context, IWindowManager windowManager,
1820            WindowManagerFuncs windowManagerFuncs) {
1821        mContext = context;
1822        mWindowManager = windowManager;
1823        mWindowManagerFuncs = windowManagerFuncs;
1824        mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class);
1825        mActivityManagerInternal = LocalServices.getService(ActivityManagerInternal.class);
1826        mInputManagerInternal = LocalServices.getService(InputManagerInternal.class);
1827        mDreamManagerInternal = LocalServices.getService(DreamManagerInternal.class);
1828        mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class);
1829        mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
1830        mHasFeatureWatch = mContext.getPackageManager().hasSystemFeature(FEATURE_WATCH);
1831        mHasFeatureLeanback = mContext.getPackageManager().hasSystemFeature(FEATURE_LEANBACK);
1832        mAccessibilityShortcutController =
1833                new AccessibilityShortcutController(mContext, new Handler(), mCurrentUserId);
1834        // Init display burn-in protection
1835        boolean burnInProtectionEnabled = context.getResources().getBoolean(
1836                com.android.internal.R.bool.config_enableBurnInProtection);
1837        // Allow a system property to override this. Used by developer settings.
1838        boolean burnInProtectionDevMode =
1839                SystemProperties.getBoolean("persist.debug.force_burn_in", false);
1840        if (burnInProtectionEnabled || burnInProtectionDevMode) {
1841            final int minHorizontal;
1842            final int maxHorizontal;
1843            final int minVertical;
1844            final int maxVertical;
1845            final int maxRadius;
1846            if (burnInProtectionDevMode) {
1847                minHorizontal = -8;
1848                maxHorizontal = 8;
1849                minVertical = -8;
1850                maxVertical = -4;
1851                maxRadius = (isRoundWindow()) ? 6 : -1;
1852            } else {
1853                Resources resources = context.getResources();
1854                minHorizontal = resources.getInteger(
1855                        com.android.internal.R.integer.config_burnInProtectionMinHorizontalOffset);
1856                maxHorizontal = resources.getInteger(
1857                        com.android.internal.R.integer.config_burnInProtectionMaxHorizontalOffset);
1858                minVertical = resources.getInteger(
1859                        com.android.internal.R.integer.config_burnInProtectionMinVerticalOffset);
1860                maxVertical = resources.getInteger(
1861                        com.android.internal.R.integer.config_burnInProtectionMaxVerticalOffset);
1862                maxRadius = resources.getInteger(
1863                        com.android.internal.R.integer.config_burnInProtectionMaxRadius);
1864            }
1865            mBurnInProtectionHelper = new BurnInProtectionHelper(
1866                    context, minHorizontal, maxHorizontal, minVertical, maxVertical, maxRadius);
1867        }
1868
1869        mHandler = new PolicyHandler();
1870        mWakeGestureListener = new MyWakeGestureListener(mContext, mHandler);
1871        mOrientationListener = new MyOrientationListener(mContext, mHandler);
1872        try {
1873            mOrientationListener.setCurrentRotation(windowManager.getDefaultDisplayRotation());
1874        } catch (RemoteException ex) { }
1875        mSettingsObserver = new SettingsObserver(mHandler);
1876        mSettingsObserver.observe();
1877        mShortcutManager = new ShortcutManager(context);
1878        mUiMode = context.getResources().getInteger(
1879                com.android.internal.R.integer.config_defaultUiModeType);
1880        mHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
1881        mHomeIntent.addCategory(Intent.CATEGORY_HOME);
1882        mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1883                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1884        mEnableCarDockHomeCapture = context.getResources().getBoolean(
1885                com.android.internal.R.bool.config_enableCarDockHomeLaunch);
1886        mCarDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1887        mCarDockIntent.addCategory(Intent.CATEGORY_CAR_DOCK);
1888        mCarDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1889                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1890        mDeskDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1891        mDeskDockIntent.addCategory(Intent.CATEGORY_DESK_DOCK);
1892        mDeskDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1893                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1894        mVrHeadsetHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
1895        mVrHeadsetHomeIntent.addCategory(Intent.CATEGORY_VR_HOME);
1896        mVrHeadsetHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1897                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1898
1899        mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
1900        mBroadcastWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1901                "PhoneWindowManager.mBroadcastWakeLock");
1902        mPowerKeyWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1903                "PhoneWindowManager.mPowerKeyWakeLock");
1904        mEnableShiftMenuBugReports = "1".equals(SystemProperties.get("ro.debuggable"));
1905        mSupportAutoRotation = mContext.getResources().getBoolean(
1906                com.android.internal.R.bool.config_supportAutoRotation);
1907        mLidOpenRotation = readRotation(
1908                com.android.internal.R.integer.config_lidOpenRotation);
1909        mCarDockRotation = readRotation(
1910                com.android.internal.R.integer.config_carDockRotation);
1911        mDeskDockRotation = readRotation(
1912                com.android.internal.R.integer.config_deskDockRotation);
1913        mUndockedHdmiRotation = readRotation(
1914                com.android.internal.R.integer.config_undockedHdmiRotation);
1915        mCarDockEnablesAccelerometer = mContext.getResources().getBoolean(
1916                com.android.internal.R.bool.config_carDockEnablesAccelerometer);
1917        mDeskDockEnablesAccelerometer = mContext.getResources().getBoolean(
1918                com.android.internal.R.bool.config_deskDockEnablesAccelerometer);
1919        mLidKeyboardAccessibility = mContext.getResources().getInteger(
1920                com.android.internal.R.integer.config_lidKeyboardAccessibility);
1921        mLidNavigationAccessibility = mContext.getResources().getInteger(
1922                com.android.internal.R.integer.config_lidNavigationAccessibility);
1923        mLidControlsScreenLock = mContext.getResources().getBoolean(
1924                com.android.internal.R.bool.config_lidControlsScreenLock);
1925        mLidControlsSleep = mContext.getResources().getBoolean(
1926                com.android.internal.R.bool.config_lidControlsSleep);
1927        mTranslucentDecorEnabled = mContext.getResources().getBoolean(
1928                com.android.internal.R.bool.config_enableTranslucentDecor);
1929
1930        mAllowTheaterModeWakeFromKey = mContext.getResources().getBoolean(
1931                com.android.internal.R.bool.config_allowTheaterModeWakeFromKey);
1932        mAllowTheaterModeWakeFromPowerKey = mAllowTheaterModeWakeFromKey
1933                || mContext.getResources().getBoolean(
1934                    com.android.internal.R.bool.config_allowTheaterModeWakeFromPowerKey);
1935        mAllowTheaterModeWakeFromMotion = mContext.getResources().getBoolean(
1936                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotion);
1937        mAllowTheaterModeWakeFromMotionWhenNotDreaming = mContext.getResources().getBoolean(
1938                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotionWhenNotDreaming);
1939        mAllowTheaterModeWakeFromCameraLens = mContext.getResources().getBoolean(
1940                com.android.internal.R.bool.config_allowTheaterModeWakeFromCameraLens);
1941        mAllowTheaterModeWakeFromLidSwitch = mContext.getResources().getBoolean(
1942                com.android.internal.R.bool.config_allowTheaterModeWakeFromLidSwitch);
1943        mAllowTheaterModeWakeFromWakeGesture = mContext.getResources().getBoolean(
1944                com.android.internal.R.bool.config_allowTheaterModeWakeFromGesture);
1945
1946        mGoToSleepOnButtonPressTheaterMode = mContext.getResources().getBoolean(
1947                com.android.internal.R.bool.config_goToSleepOnButtonPressTheaterMode);
1948
1949        mSupportLongPressPowerWhenNonInteractive = mContext.getResources().getBoolean(
1950                com.android.internal.R.bool.config_supportLongPressPowerWhenNonInteractive);
1951
1952        mLongPressOnBackBehavior = mContext.getResources().getInteger(
1953                com.android.internal.R.integer.config_longPressOnBackBehavior);
1954        mPanicPressOnBackBehavior = mContext.getResources().getInteger(
1955                com.android.internal.R.integer.config_backPanicBehavior);
1956
1957        mShortPressOnPowerBehavior = mContext.getResources().getInteger(
1958                com.android.internal.R.integer.config_shortPressOnPowerBehavior);
1959        mLongPressOnPowerBehavior = mContext.getResources().getInteger(
1960                com.android.internal.R.integer.config_longPressOnPowerBehavior);
1961        mDoublePressOnPowerBehavior = mContext.getResources().getInteger(
1962                com.android.internal.R.integer.config_doublePressOnPowerBehavior);
1963        mTriplePressOnPowerBehavior = mContext.getResources().getInteger(
1964                com.android.internal.R.integer.config_triplePressOnPowerBehavior);
1965        mShortPressOnSleepBehavior = mContext.getResources().getInteger(
1966                com.android.internal.R.integer.config_shortPressOnSleepBehavior);
1967
1968        mUseTvRouting = AudioSystem.getPlatformType(mContext) == AudioSystem.PLATFORM_TELEVISION;
1969
1970        mHandleVolumeKeysInWM = mContext.getResources().getBoolean(
1971                com.android.internal.R.bool.config_handleVolumeKeysInWindowManager);
1972
1973        readConfigurationDependentBehaviors();
1974
1975        mAccessibilityManager = (AccessibilityManager) context.getSystemService(
1976                Context.ACCESSIBILITY_SERVICE);
1977
1978        // register for dock events
1979        IntentFilter filter = new IntentFilter();
1980        filter.addAction(UiModeManager.ACTION_ENTER_CAR_MODE);
1981        filter.addAction(UiModeManager.ACTION_EXIT_CAR_MODE);
1982        filter.addAction(UiModeManager.ACTION_ENTER_DESK_MODE);
1983        filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
1984        filter.addAction(Intent.ACTION_DOCK_EVENT);
1985        Intent intent = context.registerReceiver(mDockReceiver, filter);
1986        if (intent != null) {
1987            // Retrieve current sticky dock event broadcast.
1988            mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
1989                    Intent.EXTRA_DOCK_STATE_UNDOCKED);
1990        }
1991
1992        // register for dream-related broadcasts
1993        filter = new IntentFilter();
1994        filter.addAction(Intent.ACTION_DREAMING_STARTED);
1995        filter.addAction(Intent.ACTION_DREAMING_STOPPED);
1996        context.registerReceiver(mDreamReceiver, filter);
1997
1998        // register for multiuser-relevant broadcasts
1999        filter = new IntentFilter(Intent.ACTION_USER_SWITCHED);
2000        context.registerReceiver(mMultiuserReceiver, filter);
2001
2002        // monitor for system gestures
2003        mSystemGestures = new SystemGesturesPointerEventListener(context,
2004                new SystemGesturesPointerEventListener.Callbacks() {
2005                    @Override
2006                    public void onSwipeFromTop() {
2007                        if (mStatusBar != null) {
2008                            requestTransientBars(mStatusBar);
2009                        }
2010                    }
2011                    @Override
2012                    public void onSwipeFromBottom() {
2013                        if (mNavigationBar != null && mNavigationBarPosition == NAV_BAR_BOTTOM) {
2014                            requestTransientBars(mNavigationBar);
2015                        }
2016                    }
2017                    @Override
2018                    public void onSwipeFromRight() {
2019                        if (mNavigationBar != null && mNavigationBarPosition == NAV_BAR_RIGHT) {
2020                            requestTransientBars(mNavigationBar);
2021                        }
2022                    }
2023                    @Override
2024                    public void onSwipeFromLeft() {
2025                        if (mNavigationBar != null && mNavigationBarPosition == NAV_BAR_LEFT) {
2026                            requestTransientBars(mNavigationBar);
2027                        }
2028                    }
2029                    @Override
2030                    public void onFling(int duration) {
2031                        if (mPowerManagerInternal != null) {
2032                            mPowerManagerInternal.powerHint(
2033                                    PowerHint.INTERACTION, duration);
2034                        }
2035                    }
2036                    @Override
2037                    public void onDebug() {
2038                        // no-op
2039                    }
2040                    @Override
2041                    public void onDown() {
2042                        mOrientationListener.onTouchStart();
2043                    }
2044                    @Override
2045                    public void onUpOrCancel() {
2046                        mOrientationListener.onTouchEnd();
2047                    }
2048                    @Override
2049                    public void onMouseHoverAtTop() {
2050                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
2051                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
2052                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS;
2053                        mHandler.sendMessageDelayed(msg, 500);
2054                    }
2055                    @Override
2056                    public void onMouseHoverAtBottom() {
2057                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
2058                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
2059                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION;
2060                        mHandler.sendMessageDelayed(msg, 500);
2061                    }
2062                    @Override
2063                    public void onMouseLeaveFromEdge() {
2064                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
2065                    }
2066                });
2067        mImmersiveModeConfirmation = new ImmersiveModeConfirmation(mContext);
2068        mWindowManagerFuncs.registerPointerEventListener(mSystemGestures);
2069
2070        mVibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE);
2071        mLongPressVibePattern = getLongIntArray(mContext.getResources(),
2072                com.android.internal.R.array.config_longPressVibePattern);
2073        mVirtualKeyVibePattern = getLongIntArray(mContext.getResources(),
2074                com.android.internal.R.array.config_virtualKeyVibePattern);
2075        mKeyboardTapVibePattern = getLongIntArray(mContext.getResources(),
2076                com.android.internal.R.array.config_keyboardTapVibePattern);
2077        mClockTickVibePattern = getLongIntArray(mContext.getResources(),
2078                com.android.internal.R.array.config_clockTickVibePattern);
2079        mCalendarDateVibePattern = getLongIntArray(mContext.getResources(),
2080                com.android.internal.R.array.config_calendarDateVibePattern);
2081        mSafeModeDisabledVibePattern = getLongIntArray(mContext.getResources(),
2082                com.android.internal.R.array.config_safeModeDisabledVibePattern);
2083        mSafeModeEnabledVibePattern = getLongIntArray(mContext.getResources(),
2084                com.android.internal.R.array.config_safeModeEnabledVibePattern);
2085        mContextClickVibePattern = getLongIntArray(mContext.getResources(),
2086                com.android.internal.R.array.config_contextClickVibePattern);
2087
2088        mScreenshotChordEnabled = mContext.getResources().getBoolean(
2089                com.android.internal.R.bool.config_enableScreenshotChord);
2090
2091        mGlobalKeyManager = new GlobalKeyManager(mContext);
2092
2093        // Controls rotation and the like.
2094        initializeHdmiState();
2095
2096        // Match current screen state.
2097        if (!mPowerManager.isInteractive()) {
2098            startedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
2099            finishedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
2100        }
2101
2102        mWindowManagerInternal.registerAppTransitionListener(
2103                mStatusBarController.getAppTransitionListener());
2104        mWindowManagerInternal.registerAppTransitionListener(new AppTransitionListener() {
2105            @Override
2106            public int onAppTransitionStartingLocked(int transit, IBinder openToken,
2107                    IBinder closeToken,
2108                    Animation openAnimation, Animation closeAnimation) {
2109                return handleStartTransitionForKeyguardLw(transit, openAnimation);
2110            }
2111
2112            @Override
2113            public void onAppTransitionCancelledLocked(int transit) {
2114                handleStartTransitionForKeyguardLw(transit, null /* transit */);
2115            }
2116        });
2117        mKeyguardDelegate = new KeyguardServiceDelegate(mContext,
2118                new StateCallback() {
2119                    @Override
2120                    public void onTrustedChanged() {
2121                        mWindowManagerFuncs.notifyKeyguardTrustedChanged();
2122                    }
2123                });
2124    }
2125
2126    /**
2127     * Read values from config.xml that may be overridden depending on
2128     * the configuration of the device.
2129     * eg. Disable long press on home goes to recents on sw600dp.
2130     */
2131    private void readConfigurationDependentBehaviors() {
2132        final Resources res = mContext.getResources();
2133
2134        mLongPressOnHomeBehavior = res.getInteger(
2135                com.android.internal.R.integer.config_longPressOnHomeBehavior);
2136        if (mLongPressOnHomeBehavior < LONG_PRESS_HOME_NOTHING ||
2137                mLongPressOnHomeBehavior > LAST_LONG_PRESS_HOME_BEHAVIOR) {
2138            mLongPressOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
2139        }
2140
2141        mDoubleTapOnHomeBehavior = res.getInteger(
2142                com.android.internal.R.integer.config_doubleTapOnHomeBehavior);
2143        if (mDoubleTapOnHomeBehavior < DOUBLE_TAP_HOME_NOTHING ||
2144                mDoubleTapOnHomeBehavior > DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
2145            mDoubleTapOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
2146        }
2147
2148        mShortPressWindowBehavior = SHORT_PRESS_WINDOW_NOTHING;
2149        if (mContext.getPackageManager().hasSystemFeature(FEATURE_PICTURE_IN_PICTURE)) {
2150            mShortPressWindowBehavior = SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE;
2151        }
2152
2153        mNavBarOpacityMode = res.getInteger(
2154                com.android.internal.R.integer.config_navBarOpacityMode);
2155    }
2156
2157    @Override
2158    public void setInitialDisplaySize(Display display, int width, int height, int density) {
2159        // This method might be called before the policy has been fully initialized
2160        // or for other displays we don't care about.
2161        // TODO(multi-display): Define policy for secondary displays.
2162        if (mContext == null || display.getDisplayId() != Display.DEFAULT_DISPLAY) {
2163            return;
2164        }
2165        mDisplay = display;
2166
2167        final Resources res = mContext.getResources();
2168        int shortSize, longSize;
2169        if (width > height) {
2170            shortSize = height;
2171            longSize = width;
2172            mLandscapeRotation = Surface.ROTATION_0;
2173            mSeascapeRotation = Surface.ROTATION_180;
2174            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
2175                mPortraitRotation = Surface.ROTATION_90;
2176                mUpsideDownRotation = Surface.ROTATION_270;
2177            } else {
2178                mPortraitRotation = Surface.ROTATION_270;
2179                mUpsideDownRotation = Surface.ROTATION_90;
2180            }
2181        } else {
2182            shortSize = width;
2183            longSize = height;
2184            mPortraitRotation = Surface.ROTATION_0;
2185            mUpsideDownRotation = Surface.ROTATION_180;
2186            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
2187                mLandscapeRotation = Surface.ROTATION_270;
2188                mSeascapeRotation = Surface.ROTATION_90;
2189            } else {
2190                mLandscapeRotation = Surface.ROTATION_90;
2191                mSeascapeRotation = Surface.ROTATION_270;
2192            }
2193        }
2194
2195        // SystemUI (status bar) layout policy
2196        int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT / density;
2197        int longSizeDp = longSize * DisplayMetrics.DENSITY_DEFAULT / density;
2198
2199        // Allow the navigation bar to move on non-square small devices (phones).
2200        mNavigationBarCanMove = width != height && shortSizeDp < 600;
2201
2202        mHasNavigationBar = res.getBoolean(com.android.internal.R.bool.config_showNavigationBar);
2203
2204        // Allow a system property to override this. Used by the emulator.
2205        // See also hasNavigationBar().
2206        String navBarOverride = SystemProperties.get("qemu.hw.mainkeys");
2207        if ("1".equals(navBarOverride)) {
2208            mHasNavigationBar = false;
2209        } else if ("0".equals(navBarOverride)) {
2210            mHasNavigationBar = true;
2211        }
2212
2213        // For demo purposes, allow the rotation of the HDMI display to be controlled.
2214        // By default, HDMI locks rotation to landscape.
2215        if ("portrait".equals(SystemProperties.get("persist.demo.hdmirotation"))) {
2216            mDemoHdmiRotation = mPortraitRotation;
2217        } else {
2218            mDemoHdmiRotation = mLandscapeRotation;
2219        }
2220        mDemoHdmiRotationLock = SystemProperties.getBoolean("persist.demo.hdmirotationlock", false);
2221
2222        // For demo purposes, allow the rotation of the remote display to be controlled.
2223        // By default, remote display locks rotation to landscape.
2224        if ("portrait".equals(SystemProperties.get("persist.demo.remoterotation"))) {
2225            mDemoRotation = mPortraitRotation;
2226        } else {
2227            mDemoRotation = mLandscapeRotation;
2228        }
2229        mDemoRotationLock = SystemProperties.getBoolean(
2230                "persist.demo.rotationlock", false);
2231
2232        // Only force the default orientation if the screen is xlarge, at least 960dp x 720dp, per
2233        // http://developer.android.com/guide/practices/screens_support.html#range
2234        mForceDefaultOrientation = longSizeDp >= 960 && shortSizeDp >= 720 &&
2235                res.getBoolean(com.android.internal.R.bool.config_forceDefaultOrientation) &&
2236                // For debug purposes the next line turns this feature off with:
2237                // $ adb shell setprop config.override_forced_orient true
2238                // $ adb shell wm size reset
2239                !"true".equals(SystemProperties.get("config.override_forced_orient"));
2240    }
2241
2242    /**
2243     * @return whether the navigation bar can be hidden, e.g. the device has a
2244     *         navigation bar and touch exploration is not enabled
2245     */
2246    private boolean canHideNavigationBar() {
2247        return mHasNavigationBar;
2248    }
2249
2250    @Override
2251    public boolean isDefaultOrientationForced() {
2252        return mForceDefaultOrientation;
2253    }
2254
2255    @Override
2256    public void setDisplayOverscan(Display display, int left, int top, int right, int bottom) {
2257        // TODO(multi-display): Define policy for secondary displays.
2258        if (display.getDisplayId() == Display.DEFAULT_DISPLAY) {
2259            mOverscanLeft = left;
2260            mOverscanTop = top;
2261            mOverscanRight = right;
2262            mOverscanBottom = bottom;
2263        }
2264    }
2265
2266    public void updateSettings() {
2267        ContentResolver resolver = mContext.getContentResolver();
2268        boolean updateRotation = false;
2269        synchronized (mLock) {
2270            mEndcallBehavior = Settings.System.getIntForUser(resolver,
2271                    Settings.System.END_BUTTON_BEHAVIOR,
2272                    Settings.System.END_BUTTON_BEHAVIOR_DEFAULT,
2273                    UserHandle.USER_CURRENT);
2274            mIncallPowerBehavior = Settings.Secure.getIntForUser(resolver,
2275                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
2276                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT,
2277                    UserHandle.USER_CURRENT);
2278            mIncallBackBehavior = Settings.Secure.getIntForUser(resolver,
2279                    Settings.Secure.INCALL_BACK_BUTTON_BEHAVIOR,
2280                    Settings.Secure.INCALL_BACK_BUTTON_BEHAVIOR_DEFAULT,
2281                    UserHandle.USER_CURRENT);
2282
2283            // Configure wake gesture.
2284            boolean wakeGestureEnabledSetting = Settings.Secure.getIntForUser(resolver,
2285                    Settings.Secure.WAKE_GESTURE_ENABLED, 0,
2286                    UserHandle.USER_CURRENT) != 0;
2287            if (mWakeGestureEnabledSetting != wakeGestureEnabledSetting) {
2288                mWakeGestureEnabledSetting = wakeGestureEnabledSetting;
2289                updateWakeGestureListenerLp();
2290            }
2291
2292            // Configure rotation lock.
2293            int userRotation = Settings.System.getIntForUser(resolver,
2294                    Settings.System.USER_ROTATION, Surface.ROTATION_0,
2295                    UserHandle.USER_CURRENT);
2296            if (mUserRotation != userRotation) {
2297                mUserRotation = userRotation;
2298                updateRotation = true;
2299            }
2300            int userRotationMode = Settings.System.getIntForUser(resolver,
2301                    Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
2302                            WindowManagerPolicy.USER_ROTATION_FREE :
2303                                    WindowManagerPolicy.USER_ROTATION_LOCKED;
2304            if (mUserRotationMode != userRotationMode) {
2305                mUserRotationMode = userRotationMode;
2306                updateRotation = true;
2307                updateOrientationListenerLp();
2308            }
2309
2310            if (mSystemReady) {
2311                int pointerLocation = Settings.System.getIntForUser(resolver,
2312                        Settings.System.POINTER_LOCATION, 0, UserHandle.USER_CURRENT);
2313                if (mPointerLocationMode != pointerLocation) {
2314                    mPointerLocationMode = pointerLocation;
2315                    mHandler.sendEmptyMessage(pointerLocation != 0 ?
2316                            MSG_ENABLE_POINTER_LOCATION : MSG_DISABLE_POINTER_LOCATION);
2317                }
2318            }
2319            // use screen off timeout setting as the timeout for the lockscreen
2320            mLockScreenTimeout = Settings.System.getIntForUser(resolver,
2321                    Settings.System.SCREEN_OFF_TIMEOUT, 0, UserHandle.USER_CURRENT);
2322            String imId = Settings.Secure.getStringForUser(resolver,
2323                    Settings.Secure.DEFAULT_INPUT_METHOD, UserHandle.USER_CURRENT);
2324            boolean hasSoftInput = imId != null && imId.length() > 0;
2325            if (mHasSoftInput != hasSoftInput) {
2326                mHasSoftInput = hasSoftInput;
2327                updateRotation = true;
2328            }
2329            if (mImmersiveModeConfirmation != null) {
2330                mImmersiveModeConfirmation.loadSetting(mCurrentUserId);
2331            }
2332        }
2333        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
2334            PolicyControl.reloadFromSetting(mContext);
2335        }
2336        if (updateRotation) {
2337            updateRotation(true);
2338        }
2339    }
2340
2341    private void updateWakeGestureListenerLp() {
2342        if (shouldEnableWakeGestureLp()) {
2343            mWakeGestureListener.requestWakeUpTrigger();
2344        } else {
2345            mWakeGestureListener.cancelWakeUpTrigger();
2346        }
2347    }
2348
2349    private boolean shouldEnableWakeGestureLp() {
2350        return mWakeGestureEnabledSetting && !mAwake
2351                && (!mLidControlsSleep || mLidState != LID_CLOSED)
2352                && mWakeGestureListener.isSupported();
2353    }
2354
2355    private void enablePointerLocation() {
2356        if (mPointerLocationView == null) {
2357            mPointerLocationView = new PointerLocationView(mContext);
2358            mPointerLocationView.setPrintCoords(false);
2359            WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
2360                    WindowManager.LayoutParams.MATCH_PARENT,
2361                    WindowManager.LayoutParams.MATCH_PARENT);
2362            lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
2363            lp.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN
2364                    | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
2365                    | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
2366                    | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
2367            if (ActivityManager.isHighEndGfx()) {
2368                lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
2369                lp.privateFlags |=
2370                        WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED;
2371            }
2372            lp.format = PixelFormat.TRANSLUCENT;
2373            lp.setTitle("PointerLocation");
2374            WindowManager wm = (WindowManager) mContext.getSystemService(WINDOW_SERVICE);
2375            lp.inputFeatures |= WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL;
2376            wm.addView(mPointerLocationView, lp);
2377            mWindowManagerFuncs.registerPointerEventListener(mPointerLocationView);
2378        }
2379    }
2380
2381    private void disablePointerLocation() {
2382        if (mPointerLocationView != null) {
2383            mWindowManagerFuncs.unregisterPointerEventListener(mPointerLocationView);
2384            WindowManager wm = (WindowManager) mContext.getSystemService(WINDOW_SERVICE);
2385            wm.removeView(mPointerLocationView);
2386            mPointerLocationView = null;
2387        }
2388    }
2389
2390    private int readRotation(int resID) {
2391        try {
2392            int rotation = mContext.getResources().getInteger(resID);
2393            switch (rotation) {
2394                case 0:
2395                    return Surface.ROTATION_0;
2396                case 90:
2397                    return Surface.ROTATION_90;
2398                case 180:
2399                    return Surface.ROTATION_180;
2400                case 270:
2401                    return Surface.ROTATION_270;
2402            }
2403        } catch (Resources.NotFoundException e) {
2404            // fall through
2405        }
2406        return -1;
2407    }
2408
2409    /** {@inheritDoc} */
2410    @Override
2411    public int checkAddPermission(WindowManager.LayoutParams attrs, int[] outAppOp) {
2412        int type = attrs.type;
2413
2414        outAppOp[0] = AppOpsManager.OP_NONE;
2415
2416        if (!((type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW)
2417                || (type >= FIRST_SUB_WINDOW && type <= LAST_SUB_WINDOW)
2418                || (type >= FIRST_SYSTEM_WINDOW && type <= LAST_SYSTEM_WINDOW))) {
2419            return WindowManagerGlobal.ADD_INVALID_TYPE;
2420        }
2421
2422        if (type < FIRST_SYSTEM_WINDOW || type > LAST_SYSTEM_WINDOW) {
2423            // Window manager will make sure these are okay.
2424            return ADD_OKAY;
2425        }
2426
2427        if (!isSystemAlertWindowType(type)) {
2428            switch (type) {
2429                case TYPE_TOAST:
2430                    // Only apps that target older than O SDK can add window without a token, after
2431                    // that we require a token so apps cannot add toasts directly as the token is
2432                    // added by the notification system.
2433                    // Window manager does the checking for this.
2434                    outAppOp[0] = OP_TOAST_WINDOW;
2435                    return ADD_OKAY;
2436                case TYPE_DREAM:
2437                case TYPE_INPUT_METHOD:
2438                case TYPE_WALLPAPER:
2439                case TYPE_PRESENTATION:
2440                case TYPE_PRIVATE_PRESENTATION:
2441                case TYPE_VOICE_INTERACTION:
2442                case TYPE_ACCESSIBILITY_OVERLAY:
2443                case TYPE_QS_DIALOG:
2444                    // The window manager will check these.
2445                    return ADD_OKAY;
2446            }
2447            return mContext.checkCallingOrSelfPermission(INTERNAL_SYSTEM_WINDOW)
2448                    == PERMISSION_GRANTED ? ADD_OKAY : ADD_PERMISSION_DENIED;
2449        }
2450
2451        // Things get a little more interesting for alert windows...
2452        outAppOp[0] = OP_SYSTEM_ALERT_WINDOW;
2453
2454        final int callingUid = Binder.getCallingUid();
2455        // system processes will be automatically granted privilege to draw
2456        if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) {
2457            return ADD_OKAY;
2458        }
2459
2460        ApplicationInfo appInfo;
2461        try {
2462            appInfo = mContext.getPackageManager().getApplicationInfoAsUser(
2463                            attrs.packageName,
2464                            0 /* flags */,
2465                            UserHandle.getUserId(callingUid));
2466        } catch (PackageManager.NameNotFoundException e) {
2467            appInfo = null;
2468        }
2469
2470        if (appInfo == null || (type != TYPE_APPLICATION_OVERLAY && appInfo.targetSdkVersion >= O)) {
2471            /**
2472             * Apps targeting >= {@link Build.VERSION_CODES#O} are required to hold
2473             * {@link android.Manifest.permission#INTERNAL_SYSTEM_WINDOW} (system signature apps)
2474             * permission to add alert windows that aren't
2475             * {@link android.view.WindowManager.LayoutParams#TYPE_APPLICATION_OVERLAY}.
2476             */
2477            return (mContext.checkCallingOrSelfPermission(INTERNAL_SYSTEM_WINDOW)
2478                    == PERMISSION_GRANTED) ? ADD_OKAY : ADD_PERMISSION_DENIED;
2479        }
2480
2481        // check if user has enabled this operation. SecurityException will be thrown if this app
2482        // has not been allowed by the user
2483        final int mode = mAppOpsManager.checkOpNoThrow(outAppOp[0], callingUid, attrs.packageName);
2484        switch (mode) {
2485            case AppOpsManager.MODE_ALLOWED:
2486            case AppOpsManager.MODE_IGNORED:
2487                // although we return ADD_OKAY for MODE_IGNORED, the added window will
2488                // actually be hidden in WindowManagerService
2489                return ADD_OKAY;
2490            case AppOpsManager.MODE_ERRORED:
2491                // Don't crash legacy apps
2492                if (appInfo.targetSdkVersion < M) {
2493                    return ADD_OKAY;
2494                }
2495                return ADD_PERMISSION_DENIED;
2496            default:
2497                // in the default mode, we will make a decision here based on
2498                // checkCallingPermission()
2499                return (mContext.checkCallingOrSelfPermission(SYSTEM_ALERT_WINDOW)
2500                        == PERMISSION_GRANTED) ? ADD_OKAY : ADD_PERMISSION_DENIED;
2501        }
2502    }
2503
2504    @Override
2505    public boolean checkShowToOwnerOnly(WindowManager.LayoutParams attrs) {
2506
2507        // If this switch statement is modified, modify the comment in the declarations of
2508        // the type in {@link WindowManager.LayoutParams} as well.
2509        switch (attrs.type) {
2510            default:
2511                // These are the windows that by default are shown only to the user that created
2512                // them. If this needs to be overridden, set
2513                // {@link WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS} in
2514                // {@link WindowManager.LayoutParams}. Note that permission
2515                // {@link android.Manifest.permission.INTERNAL_SYSTEM_WINDOW} is required as well.
2516                if ((attrs.privateFlags & PRIVATE_FLAG_SHOW_FOR_ALL_USERS) == 0) {
2517                    return true;
2518                }
2519                break;
2520
2521            // These are the windows that by default are shown to all users. However, to
2522            // protect against spoofing, check permissions below.
2523            case TYPE_APPLICATION_STARTING:
2524            case TYPE_BOOT_PROGRESS:
2525            case TYPE_DISPLAY_OVERLAY:
2526            case TYPE_INPUT_CONSUMER:
2527            case TYPE_KEYGUARD_DIALOG:
2528            case TYPE_MAGNIFICATION_OVERLAY:
2529            case TYPE_NAVIGATION_BAR:
2530            case TYPE_NAVIGATION_BAR_PANEL:
2531            case TYPE_PHONE:
2532            case TYPE_POINTER:
2533            case TYPE_PRIORITY_PHONE:
2534            case TYPE_SEARCH_BAR:
2535            case TYPE_STATUS_BAR:
2536            case TYPE_STATUS_BAR_PANEL:
2537            case TYPE_STATUS_BAR_SUB_PANEL:
2538            case TYPE_SYSTEM_DIALOG:
2539            case TYPE_VOLUME_OVERLAY:
2540            case TYPE_PRESENTATION:
2541            case TYPE_PRIVATE_PRESENTATION:
2542            case TYPE_DOCK_DIVIDER:
2543                break;
2544        }
2545
2546        // Check if third party app has set window to system window type.
2547        return mContext.checkCallingOrSelfPermission(INTERNAL_SYSTEM_WINDOW) != PERMISSION_GRANTED;
2548    }
2549
2550    @Override
2551    public void adjustWindowParamsLw(WindowManager.LayoutParams attrs) {
2552        switch (attrs.type) {
2553            case TYPE_SYSTEM_OVERLAY:
2554            case TYPE_SECURE_SYSTEM_OVERLAY:
2555                // These types of windows can't receive input events.
2556                attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
2557                        | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
2558                attrs.flags &= ~WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
2559                break;
2560            case TYPE_STATUS_BAR:
2561
2562                // If the Keyguard is in a hidden state (occluded by another window), we force to
2563                // remove the wallpaper and keyguard flag so that any change in-flight after setting
2564                // the keyguard as occluded wouldn't set these flags again.
2565                // See {@link #processKeyguardSetHiddenResultLw}.
2566                if (mKeyguardOccluded) {
2567                    attrs.flags &= ~WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
2568                    attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2569                }
2570                break;
2571
2572            case TYPE_SCREENSHOT:
2573                attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE;
2574                break;
2575
2576            case TYPE_TOAST:
2577                // While apps should use the dedicated toast APIs to add such windows
2578                // it possible legacy apps to add the window directly. Therefore, we
2579                // make windows added directly by the app behave as a toast as much
2580                // as possible in terms of timeout and animation.
2581                if (attrs.hideTimeoutMilliseconds < 0
2582                        || attrs.hideTimeoutMilliseconds > TOAST_WINDOW_TIMEOUT) {
2583                    attrs.hideTimeoutMilliseconds = TOAST_WINDOW_TIMEOUT;
2584                }
2585                attrs.windowAnimations = com.android.internal.R.style.Animation_Toast;
2586                break;
2587        }
2588
2589        if (attrs.type != TYPE_STATUS_BAR) {
2590            // The status bar is the only window allowed to exhibit keyguard behavior.
2591            attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2592        }
2593
2594        if (ActivityManager.isHighEndGfx()) {
2595            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0) {
2596                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
2597            }
2598            final boolean forceWindowDrawsStatusBarBackground =
2599                    (attrs.privateFlags & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND)
2600                            != 0;
2601            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0
2602                    || forceWindowDrawsStatusBarBackground
2603                            && attrs.height == MATCH_PARENT && attrs.width == MATCH_PARENT) {
2604                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
2605            }
2606        }
2607    }
2608
2609    void readLidState() {
2610        mLidState = mWindowManagerFuncs.getLidState();
2611    }
2612
2613    private void readCameraLensCoverState() {
2614        mCameraLensCoverState = mWindowManagerFuncs.getCameraLensCoverState();
2615    }
2616
2617    private boolean isHidden(int accessibilityMode) {
2618        switch (accessibilityMode) {
2619            case 1:
2620                return mLidState == LID_CLOSED;
2621            case 2:
2622                return mLidState == LID_OPEN;
2623            default:
2624                return false;
2625        }
2626    }
2627
2628    /** {@inheritDoc} */
2629    @Override
2630    public void adjustConfigurationLw(Configuration config, int keyboardPresence,
2631            int navigationPresence) {
2632        mHaveBuiltInKeyboard = (keyboardPresence & PRESENCE_INTERNAL) != 0;
2633
2634        readConfigurationDependentBehaviors();
2635        readLidState();
2636
2637        if (config.keyboard == Configuration.KEYBOARD_NOKEYS
2638                || (keyboardPresence == PRESENCE_INTERNAL
2639                        && isHidden(mLidKeyboardAccessibility))) {
2640            config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_YES;
2641            if (!mHasSoftInput) {
2642                config.keyboardHidden = Configuration.KEYBOARDHIDDEN_YES;
2643            }
2644        }
2645
2646        if (config.navigation == Configuration.NAVIGATION_NONAV
2647                || (navigationPresence == PRESENCE_INTERNAL
2648                        && isHidden(mLidNavigationAccessibility))) {
2649            config.navigationHidden = Configuration.NAVIGATIONHIDDEN_YES;
2650        }
2651    }
2652
2653    @Override
2654    public void onConfigurationChanged() {
2655        // TODO(multi-display): Define policy for secondary displays.
2656        final Resources res = mContext.getResources();
2657
2658        mStatusBarHeight =
2659                res.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
2660
2661        // Height of the navigation bar when presented horizontally at bottom
2662        mNavigationBarHeightForRotationDefault[mPortraitRotation] =
2663        mNavigationBarHeightForRotationDefault[mUpsideDownRotation] =
2664                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_height);
2665        mNavigationBarHeightForRotationDefault[mLandscapeRotation] =
2666        mNavigationBarHeightForRotationDefault[mSeascapeRotation] = res.getDimensionPixelSize(
2667                com.android.internal.R.dimen.navigation_bar_height_landscape);
2668
2669        // Width of the navigation bar when presented vertically along one side
2670        mNavigationBarWidthForRotationDefault[mPortraitRotation] =
2671        mNavigationBarWidthForRotationDefault[mUpsideDownRotation] =
2672        mNavigationBarWidthForRotationDefault[mLandscapeRotation] =
2673        mNavigationBarWidthForRotationDefault[mSeascapeRotation] =
2674                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_width);
2675
2676        if (ALTERNATE_CAR_MODE_NAV_SIZE) {
2677            // Height of the navigation bar when presented horizontally at bottom
2678            mNavigationBarHeightForRotationInCarMode[mPortraitRotation] =
2679            mNavigationBarHeightForRotationInCarMode[mUpsideDownRotation] =
2680                    res.getDimensionPixelSize(
2681                            com.android.internal.R.dimen.navigation_bar_height_car_mode);
2682            mNavigationBarHeightForRotationInCarMode[mLandscapeRotation] =
2683            mNavigationBarHeightForRotationInCarMode[mSeascapeRotation] = res.getDimensionPixelSize(
2684                    com.android.internal.R.dimen.navigation_bar_height_landscape_car_mode);
2685
2686            // Width of the navigation bar when presented vertically along one side
2687            mNavigationBarWidthForRotationInCarMode[mPortraitRotation] =
2688            mNavigationBarWidthForRotationInCarMode[mUpsideDownRotation] =
2689            mNavigationBarWidthForRotationInCarMode[mLandscapeRotation] =
2690            mNavigationBarWidthForRotationInCarMode[mSeascapeRotation] =
2691                    res.getDimensionPixelSize(
2692                            com.android.internal.R.dimen.navigation_bar_width_car_mode);
2693        }
2694    }
2695
2696    @Override
2697    public int getMaxWallpaperLayer() {
2698        return getWindowLayerFromTypeLw(TYPE_STATUS_BAR);
2699    }
2700
2701    private int getNavigationBarWidth(int rotation, int uiMode) {
2702        if (ALTERNATE_CAR_MODE_NAV_SIZE && (uiMode & UI_MODE_TYPE_MASK) == UI_MODE_TYPE_CAR) {
2703            return mNavigationBarWidthForRotationInCarMode[rotation];
2704        } else {
2705            return mNavigationBarWidthForRotationDefault[rotation];
2706        }
2707    }
2708
2709    @Override
2710    public int getNonDecorDisplayWidth(int fullWidth, int fullHeight, int rotation, int uiMode,
2711            int displayId) {
2712        // TODO(multi-display): Support navigation bar on secondary displays.
2713        if (displayId == Display.DEFAULT_DISPLAY && mHasNavigationBar) {
2714            // For a basic navigation bar, when we are in landscape mode we place
2715            // the navigation bar to the side.
2716            if (mNavigationBarCanMove && fullWidth > fullHeight) {
2717                return fullWidth - getNavigationBarWidth(rotation, uiMode);
2718            }
2719        }
2720        return fullWidth;
2721    }
2722
2723    private int getNavigationBarHeight(int rotation, int uiMode) {
2724        if (ALTERNATE_CAR_MODE_NAV_SIZE && (uiMode & UI_MODE_TYPE_MASK) == UI_MODE_TYPE_CAR) {
2725            return mNavigationBarHeightForRotationInCarMode[rotation];
2726        } else {
2727            return mNavigationBarHeightForRotationDefault[rotation];
2728        }
2729    }
2730
2731    @Override
2732    public int getNonDecorDisplayHeight(int fullWidth, int fullHeight, int rotation, int uiMode,
2733            int displayId) {
2734        // TODO(multi-display): Support navigation bar on secondary displays.
2735        if (displayId == Display.DEFAULT_DISPLAY && mHasNavigationBar) {
2736            // For a basic navigation bar, when we are in portrait mode we place
2737            // the navigation bar to the bottom.
2738            if (!mNavigationBarCanMove || fullWidth < fullHeight) {
2739                return fullHeight - getNavigationBarHeight(rotation, uiMode);
2740            }
2741        }
2742        return fullHeight;
2743    }
2744
2745    @Override
2746    public int getConfigDisplayWidth(int fullWidth, int fullHeight, int rotation, int uiMode,
2747            int displayId) {
2748        return getNonDecorDisplayWidth(fullWidth, fullHeight, rotation, uiMode, displayId);
2749    }
2750
2751    @Override
2752    public int getConfigDisplayHeight(int fullWidth, int fullHeight, int rotation, int uiMode,
2753            int displayId) {
2754        // There is a separate status bar at the top of the display.  We don't count that as part
2755        // of the fixed decor, since it can hide; however, for purposes of configurations,
2756        // we do want to exclude it since applications can't generally use that part
2757        // of the screen.
2758        // TODO(multi-display): Support status bars on secondary displays.
2759        if (displayId == Display.DEFAULT_DISPLAY) {
2760            return getNonDecorDisplayHeight(fullWidth, fullHeight, rotation, uiMode, displayId)
2761                    - mStatusBarHeight;
2762        }
2763        return fullHeight;
2764    }
2765
2766    @Override
2767    public boolean isKeyguardHostWindow(WindowManager.LayoutParams attrs) {
2768        return attrs.type == TYPE_STATUS_BAR;
2769    }
2770
2771    @Override
2772    public boolean canBeHiddenByKeyguardLw(WindowState win) {
2773        switch (win.getAttrs().type) {
2774            case TYPE_STATUS_BAR:
2775            case TYPE_NAVIGATION_BAR:
2776            case TYPE_WALLPAPER:
2777            case TYPE_DREAM:
2778                return false;
2779            default:
2780                // Hide only windows below the keyguard host window.
2781                return getWindowLayerLw(win) < getWindowLayerFromTypeLw(TYPE_STATUS_BAR);
2782        }
2783    }
2784
2785    private boolean shouldBeHiddenByKeyguard(WindowState win, WindowState imeTarget) {
2786
2787        // Keyguard visibility of window from activities are determined over activity visibility.
2788        if (win.getAppToken() != null) {
2789            return false;
2790        }
2791
2792        final LayoutParams attrs = win.getAttrs();
2793        final boolean showImeOverKeyguard = imeTarget != null && imeTarget.isVisibleLw() &&
2794                ((imeTarget.getAttrs().flags & FLAG_SHOW_WHEN_LOCKED) != 0
2795                        || !canBeHiddenByKeyguardLw(imeTarget));
2796
2797        // Show IME over the keyguard if the target allows it
2798        boolean allowWhenLocked = (win.isInputMethodWindow() || imeTarget == this)
2799                && showImeOverKeyguard;;
2800
2801        if (isKeyguardLocked() && isKeyguardOccluded()) {
2802            // Show SHOW_WHEN_LOCKED windows if Keyguard is occluded.
2803            allowWhenLocked |= (attrs.flags & FLAG_SHOW_WHEN_LOCKED) != 0
2804                    // Show error dialogs over apps that are shown on lockscreen
2805                    || (attrs.privateFlags & PRIVATE_FLAG_SYSTEM_ERROR) != 0;
2806        }
2807
2808        boolean keyguardLocked = isKeyguardLocked();
2809        boolean hideDockDivider = attrs.type == TYPE_DOCK_DIVIDER
2810                && !mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID);
2811        return (keyguardLocked && !allowWhenLocked && win.getDisplayId() == Display.DEFAULT_DISPLAY)
2812                || hideDockDivider;
2813    }
2814
2815    /** {@inheritDoc} */
2816    @Override
2817    public StartingSurface addSplashScreen(IBinder appToken, String packageName, int theme,
2818            CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes, int icon,
2819            int logo, int windowFlags, Configuration overrideConfig, int displayId) {
2820        if (!SHOW_SPLASH_SCREENS) {
2821            return null;
2822        }
2823        if (packageName == null) {
2824            return null;
2825        }
2826
2827        WindowManager wm = null;
2828        View view = null;
2829
2830        try {
2831            Context context = mContext;
2832            if (DEBUG_SPLASH_SCREEN) Slog.d(TAG, "addSplashScreen " + packageName
2833                    + ": nonLocalizedLabel=" + nonLocalizedLabel + " theme="
2834                    + Integer.toHexString(theme));
2835
2836            // Obtain proper context to launch on the right display.
2837            final Context displayContext = getDisplayContext(context, displayId);
2838            if (displayContext == null) {
2839                // Can't show splash screen on requested display, so skip showing at all.
2840                return null;
2841            }
2842            context = displayContext;
2843
2844            if (theme != context.getThemeResId() || labelRes != 0) {
2845                try {
2846                    context = context.createPackageContext(packageName, 0);
2847                    context.setTheme(theme);
2848                } catch (PackageManager.NameNotFoundException e) {
2849                    // Ignore
2850                }
2851            }
2852
2853            if (overrideConfig != null && !overrideConfig.equals(EMPTY)) {
2854                if (DEBUG_SPLASH_SCREEN) Slog.d(TAG, "addSplashScreen: creating context based"
2855                        + " on overrideConfig" + overrideConfig + " for splash screen");
2856                final Context overrideContext = context.createConfigurationContext(overrideConfig);
2857                overrideContext.setTheme(theme);
2858                final TypedArray typedArray = overrideContext.obtainStyledAttributes(
2859                        com.android.internal.R.styleable.Window);
2860                final int resId = typedArray.getResourceId(R.styleable.Window_windowBackground, 0);
2861                if (resId != 0 && overrideContext.getDrawable(resId) != null) {
2862                    // We want to use the windowBackground for the override context if it is
2863                    // available, otherwise we use the default one to make sure a themed starting
2864                    // window is displayed for the app.
2865                    if (DEBUG_SPLASH_SCREEN) Slog.d(TAG, "addSplashScreen: apply overrideConfig"
2866                            + overrideConfig + " to starting window resId=" + resId);
2867                    context = overrideContext;
2868                }
2869                typedArray.recycle();
2870            }
2871
2872            final PhoneWindow win = new PhoneWindow(context);
2873            win.setIsStartingWindow(true);
2874
2875            CharSequence label = context.getResources().getText(labelRes, null);
2876            // Only change the accessibility title if the label is localized
2877            if (label != null) {
2878                win.setTitle(label, true);
2879            } else {
2880                win.setTitle(nonLocalizedLabel, false);
2881            }
2882
2883            win.setType(
2884                WindowManager.LayoutParams.TYPE_APPLICATION_STARTING);
2885
2886            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
2887                // Assumes it's safe to show starting windows of launched apps while
2888                // the keyguard is being hidden. This is okay because starting windows never show
2889                // secret information.
2890                if (mKeyguardOccluded) {
2891                    windowFlags |= FLAG_SHOW_WHEN_LOCKED;
2892                }
2893            }
2894
2895            // Force the window flags: this is a fake window, so it is not really
2896            // touchable or focusable by the user.  We also add in the ALT_FOCUSABLE_IM
2897            // flag because we do know that the next window will take input
2898            // focus, so we want to get the IME window up on top of us right away.
2899            win.setFlags(
2900                windowFlags|
2901                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2902                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2903                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
2904                windowFlags|
2905                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2906                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2907                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
2908
2909            win.setDefaultIcon(icon);
2910            win.setDefaultLogo(logo);
2911
2912            win.setLayout(WindowManager.LayoutParams.MATCH_PARENT,
2913                    WindowManager.LayoutParams.MATCH_PARENT);
2914
2915            final WindowManager.LayoutParams params = win.getAttributes();
2916            params.token = appToken;
2917            params.packageName = packageName;
2918            params.windowAnimations = win.getWindowStyle().getResourceId(
2919                    com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
2920            params.privateFlags |=
2921                    WindowManager.LayoutParams.PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED;
2922            params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
2923
2924            if (!compatInfo.supportsScreen()) {
2925                params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW;
2926            }
2927
2928            params.setTitle("Splash Screen " + packageName);
2929            addSplashscreenContent(win, context);
2930
2931            wm = (WindowManager) context.getSystemService(WINDOW_SERVICE);
2932            view = win.getDecorView();
2933
2934            if (DEBUG_SPLASH_SCREEN) Slog.d(TAG, "Adding splash screen window for "
2935                + packageName + " / " + appToken + ": " + (view.getParent() != null ? view : null));
2936
2937            wm.addView(view, params);
2938
2939            // Only return the view if it was successfully added to the
2940            // window manager... which we can tell by it having a parent.
2941            return view.getParent() != null ? new SplashScreenSurface(view, appToken) : null;
2942        } catch (WindowManager.BadTokenException e) {
2943            // ignore
2944            Log.w(TAG, appToken + " already running, starting window not displayed. " +
2945                    e.getMessage());
2946        } catch (RuntimeException e) {
2947            // don't crash if something else bad happens, for example a
2948            // failure loading resources because we are loading from an app
2949            // on external storage that has been unmounted.
2950            Log.w(TAG, appToken + " failed creating starting window", e);
2951        } finally {
2952            if (view != null && view.getParent() == null) {
2953                Log.w(TAG, "view not successfully added to wm, removing view");
2954                wm.removeViewImmediate(view);
2955            }
2956        }
2957
2958        return null;
2959    }
2960
2961    private void addSplashscreenContent(PhoneWindow win, Context ctx) {
2962        final TypedArray a = ctx.obtainStyledAttributes(R.styleable.Window);
2963        final int resId = a.getResourceId(R.styleable.Window_windowSplashscreenContent, 0);
2964        a.recycle();
2965        if (resId == 0) {
2966            return;
2967        }
2968        final Drawable drawable = ctx.getDrawable(resId);
2969        if (drawable == null) {
2970            return;
2971        }
2972
2973        // We wrap this into a view so the system insets get applied to the drawable.
2974        final View v = new View(ctx);
2975        v.setBackground(drawable);
2976        win.setContentView(v);
2977    }
2978
2979    /** Obtain proper context for showing splash screen on the provided display. */
2980    private Context getDisplayContext(Context context, int displayId) {
2981        if (displayId == Display.DEFAULT_DISPLAY) {
2982            // The default context fits.
2983            return context;
2984        }
2985
2986        final DisplayManager dm = (DisplayManager) context.getSystemService(DISPLAY_SERVICE);
2987        final Display targetDisplay = dm.getDisplay(displayId);
2988        if (targetDisplay == null) {
2989            // Failed to obtain the non-default display where splash screen should be shown,
2990            // lets not show at all.
2991            return null;
2992        }
2993
2994        return context.createDisplayContext(targetDisplay);
2995    }
2996
2997    /**
2998     * Preflight adding a window to the system.
2999     *
3000     * Currently enforces that three window types are singletons:
3001     * <ul>
3002     * <li>STATUS_BAR_TYPE</li>
3003     * <li>KEYGUARD_TYPE</li>
3004     * </ul>
3005     *
3006     * @param win The window to be added
3007     * @param attrs Information about the window to be added
3008     *
3009     * @return If ok, WindowManagerImpl.ADD_OKAY.  If too many singletons,
3010     * WindowManagerImpl.ADD_MULTIPLE_SINGLETON
3011     */
3012    @Override
3013    public int prepareAddWindowLw(WindowState win, WindowManager.LayoutParams attrs) {
3014        switch (attrs.type) {
3015            case TYPE_STATUS_BAR:
3016                mContext.enforceCallingOrSelfPermission(
3017                        android.Manifest.permission.STATUS_BAR_SERVICE,
3018                        "PhoneWindowManager");
3019                if (mStatusBar != null) {
3020                    if (mStatusBar.isAlive()) {
3021                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
3022                    }
3023                }
3024                mStatusBar = win;
3025                mStatusBarController.setWindow(win);
3026                setKeyguardOccludedLw(mKeyguardOccluded, true /* force */);
3027                break;
3028            case TYPE_NAVIGATION_BAR:
3029                mContext.enforceCallingOrSelfPermission(
3030                        android.Manifest.permission.STATUS_BAR_SERVICE,
3031                        "PhoneWindowManager");
3032                if (mNavigationBar != null) {
3033                    if (mNavigationBar.isAlive()) {
3034                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
3035                    }
3036                }
3037                mNavigationBar = win;
3038                mNavigationBarController.setWindow(win);
3039                mNavigationBarController.setOnBarVisibilityChangedListener(
3040                        mNavBarVisibilityListener);
3041                if (DEBUG_LAYOUT) Slog.i(TAG, "NAVIGATION BAR: " + mNavigationBar);
3042                break;
3043            case TYPE_NAVIGATION_BAR_PANEL:
3044            case TYPE_STATUS_BAR_PANEL:
3045            case TYPE_STATUS_BAR_SUB_PANEL:
3046            case TYPE_VOICE_INTERACTION_STARTING:
3047                mContext.enforceCallingOrSelfPermission(
3048                        android.Manifest.permission.STATUS_BAR_SERVICE,
3049                        "PhoneWindowManager");
3050                break;
3051        }
3052        return ADD_OKAY;
3053    }
3054
3055    /** {@inheritDoc} */
3056    @Override
3057    public void removeWindowLw(WindowState win) {
3058        if (mStatusBar == win) {
3059            mStatusBar = null;
3060            mStatusBarController.setWindow(null);
3061        } else if (mNavigationBar == win) {
3062            mNavigationBar = null;
3063            mNavigationBarController.setWindow(null);
3064        }
3065    }
3066
3067    static final boolean PRINT_ANIM = false;
3068
3069    /** {@inheritDoc} */
3070    @Override
3071    public int selectAnimationLw(WindowState win, int transit) {
3072        if (PRINT_ANIM) Log.i(TAG, "selectAnimation in " + win
3073              + ": transit=" + transit);
3074        if (win == mStatusBar) {
3075            boolean isKeyguard = (win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
3076            if (transit == TRANSIT_EXIT
3077                    || transit == TRANSIT_HIDE) {
3078                return isKeyguard ? -1 : R.anim.dock_top_exit;
3079            } else if (transit == TRANSIT_ENTER
3080                    || transit == TRANSIT_SHOW) {
3081                return isKeyguard ? -1 : R.anim.dock_top_enter;
3082            }
3083        } else if (win == mNavigationBar) {
3084            if (win.getAttrs().windowAnimations != 0) {
3085                return 0;
3086            }
3087            // This can be on either the bottom or the right or the left.
3088            if (mNavigationBarPosition == NAV_BAR_BOTTOM) {
3089                if (transit == TRANSIT_EXIT
3090                        || transit == TRANSIT_HIDE) {
3091                    if (isKeyguardShowingAndNotOccluded()) {
3092                        return R.anim.dock_bottom_exit_keyguard;
3093                    } else {
3094                        return R.anim.dock_bottom_exit;
3095                    }
3096                } else if (transit == TRANSIT_ENTER
3097                        || transit == TRANSIT_SHOW) {
3098                    return R.anim.dock_bottom_enter;
3099                }
3100            } else if (mNavigationBarPosition == NAV_BAR_RIGHT) {
3101                if (transit == TRANSIT_EXIT
3102                        || transit == TRANSIT_HIDE) {
3103                    return R.anim.dock_right_exit;
3104                } else if (transit == TRANSIT_ENTER
3105                        || transit == TRANSIT_SHOW) {
3106                    return R.anim.dock_right_enter;
3107                }
3108            } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
3109                if (transit == TRANSIT_EXIT
3110                        || transit == TRANSIT_HIDE) {
3111                    return R.anim.dock_left_exit;
3112                } else if (transit == TRANSIT_ENTER
3113                        || transit == TRANSIT_SHOW) {
3114                    return R.anim.dock_left_enter;
3115                }
3116            }
3117        } else if (win.getAttrs().type == TYPE_DOCK_DIVIDER) {
3118            return selectDockedDividerAnimationLw(win, transit);
3119        }
3120
3121        if (transit == TRANSIT_PREVIEW_DONE) {
3122            if (win.hasAppShownWindows()) {
3123                if (PRINT_ANIM) Log.i(TAG, "**** STARTING EXIT");
3124                return com.android.internal.R.anim.app_starting_exit;
3125            }
3126        } else if (win.getAttrs().type == TYPE_DREAM && mDreamingLockscreen
3127                && transit == TRANSIT_ENTER) {
3128            // Special case: we are animating in a dream, while the keyguard
3129            // is shown.  We don't want an animation on the dream, because
3130            // we need it shown immediately with the keyguard animating away
3131            // to reveal it.
3132            return -1;
3133        }
3134
3135        return 0;
3136    }
3137
3138    private int selectDockedDividerAnimationLw(WindowState win, int transit) {
3139        int insets = mWindowManagerFuncs.getDockedDividerInsetsLw();
3140
3141        // If the divider is behind the navigation bar, don't animate.
3142        final Rect frame = win.getFrameLw();
3143        final boolean behindNavBar = mNavigationBar != null
3144                && ((mNavigationBarPosition == NAV_BAR_BOTTOM
3145                        && frame.top + insets >= mNavigationBar.getFrameLw().top)
3146                || (mNavigationBarPosition == NAV_BAR_RIGHT
3147                        && frame.left + insets >= mNavigationBar.getFrameLw().left)
3148                || (mNavigationBarPosition == NAV_BAR_LEFT
3149                        && frame.right - insets <= mNavigationBar.getFrameLw().right));
3150        final boolean landscape = frame.height() > frame.width();
3151        final boolean offscreenLandscape = landscape && (frame.right - insets <= 0
3152                || frame.left + insets >= win.getDisplayFrameLw().right);
3153        final boolean offscreenPortrait = !landscape && (frame.top - insets <= 0
3154                || frame.bottom + insets >= win.getDisplayFrameLw().bottom);
3155        final boolean offscreen = offscreenLandscape || offscreenPortrait;
3156        if (behindNavBar || offscreen) {
3157            return 0;
3158        }
3159        if (transit == TRANSIT_ENTER || transit == TRANSIT_SHOW) {
3160            return R.anim.fade_in;
3161        } else if (transit == TRANSIT_EXIT) {
3162            return R.anim.fade_out;
3163        } else {
3164            return 0;
3165        }
3166    }
3167
3168    @Override
3169    public void selectRotationAnimationLw(int anim[]) {
3170        if (PRINT_ANIM) Slog.i(TAG, "selectRotationAnimation mTopFullscreen="
3171                + mTopFullscreenOpaqueWindowState + " rotationAnimation="
3172                + (mTopFullscreenOpaqueWindowState == null ?
3173                        "0" : mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation));
3174        if (mTopFullscreenOpaqueWindowState != null) {
3175            int animationHint = mTopFullscreenOpaqueWindowState.getRotationAnimationHint();
3176            if (animationHint < 0 && mTopIsFullscreen) {
3177                animationHint = mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation;
3178            }
3179            switch (animationHint) {
3180                case ROTATION_ANIMATION_CROSSFADE:
3181                case ROTATION_ANIMATION_SEAMLESS: // Crossfade is fallback for seamless.
3182                    anim[0] = R.anim.rotation_animation_xfade_exit;
3183                    anim[1] = R.anim.rotation_animation_enter;
3184                    break;
3185                case ROTATION_ANIMATION_JUMPCUT:
3186                    anim[0] = R.anim.rotation_animation_jump_exit;
3187                    anim[1] = R.anim.rotation_animation_enter;
3188                    break;
3189                case ROTATION_ANIMATION_ROTATE:
3190                default:
3191                    anim[0] = anim[1] = 0;
3192                    break;
3193            }
3194        } else {
3195            anim[0] = anim[1] = 0;
3196        }
3197    }
3198
3199    @Override
3200    public boolean validateRotationAnimationLw(int exitAnimId, int enterAnimId,
3201            boolean forceDefault) {
3202        switch (exitAnimId) {
3203            case R.anim.rotation_animation_xfade_exit:
3204            case R.anim.rotation_animation_jump_exit:
3205                // These are the only cases that matter.
3206                if (forceDefault) {
3207                    return false;
3208                }
3209                int anim[] = new int[2];
3210                selectRotationAnimationLw(anim);
3211                return (exitAnimId == anim[0] && enterAnimId == anim[1]);
3212            default:
3213                return true;
3214        }
3215    }
3216
3217    @Override
3218    public Animation createHiddenByKeyguardExit(boolean onWallpaper,
3219            boolean goingToNotificationShade) {
3220        if (goingToNotificationShade) {
3221            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_behind_enter_fade_in);
3222        }
3223
3224        AnimationSet set = (AnimationSet) AnimationUtils.loadAnimation(mContext, onWallpaper ?
3225                    R.anim.lock_screen_behind_enter_wallpaper :
3226                    R.anim.lock_screen_behind_enter);
3227
3228        // TODO: Use XML interpolators when we have log interpolators available in XML.
3229        final List<Animation> animations = set.getAnimations();
3230        for (int i = animations.size() - 1; i >= 0; --i) {
3231            animations.get(i).setInterpolator(mLogDecelerateInterpolator);
3232        }
3233
3234        return set;
3235    }
3236
3237
3238    @Override
3239    public Animation createKeyguardWallpaperExit(boolean goingToNotificationShade) {
3240        if (goingToNotificationShade) {
3241            return null;
3242        } else {
3243            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_wallpaper_exit);
3244        }
3245    }
3246
3247    private static void awakenDreams() {
3248        IDreamManager dreamManager = getDreamManager();
3249        if (dreamManager != null) {
3250            try {
3251                dreamManager.awaken();
3252            } catch (RemoteException e) {
3253                // fine, stay asleep then
3254            }
3255        }
3256    }
3257
3258    static IDreamManager getDreamManager() {
3259        return IDreamManager.Stub.asInterface(
3260                ServiceManager.checkService(DreamService.DREAM_SERVICE));
3261    }
3262
3263    TelecomManager getTelecommService() {
3264        return (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE);
3265    }
3266
3267    static IAudioService getAudioService() {
3268        IAudioService audioService = IAudioService.Stub.asInterface(
3269                ServiceManager.checkService(Context.AUDIO_SERVICE));
3270        if (audioService == null) {
3271            Log.w(TAG, "Unable to find IAudioService interface.");
3272        }
3273        return audioService;
3274    }
3275
3276    boolean keyguardOn() {
3277        return isKeyguardShowingAndNotOccluded() || inKeyguardRestrictedKeyInputMode();
3278    }
3279
3280    private static final int[] WINDOW_TYPES_WHERE_HOME_DOESNT_WORK = {
3281            WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
3282            WindowManager.LayoutParams.TYPE_SYSTEM_ERROR,
3283        };
3284
3285    /** {@inheritDoc} */
3286    @Override
3287    public long interceptKeyBeforeDispatching(WindowState win, KeyEvent event, int policyFlags) {
3288        final boolean keyguardOn = keyguardOn();
3289        final int keyCode = event.getKeyCode();
3290        final int repeatCount = event.getRepeatCount();
3291        final int metaState = event.getMetaState();
3292        final int flags = event.getFlags();
3293        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
3294        final boolean canceled = event.isCanceled();
3295
3296        if (DEBUG_INPUT) {
3297            Log.d(TAG, "interceptKeyTi keyCode=" + keyCode + " down=" + down + " repeatCount="
3298                    + repeatCount + " keyguardOn=" + keyguardOn + " mHomePressed=" + mHomePressed
3299                    + " canceled=" + canceled);
3300        }
3301
3302        // If we think we might have a volume down & power key chord on the way
3303        // but we're not sure, then tell the dispatcher to wait a little while and
3304        // try again later before dispatching.
3305        if (mScreenshotChordEnabled && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
3306            if (mScreenshotChordVolumeDownKeyTriggered && !mScreenshotChordPowerKeyTriggered) {
3307                final long now = SystemClock.uptimeMillis();
3308                final long timeoutTime = mScreenshotChordVolumeDownKeyTime
3309                        + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
3310                if (now < timeoutTime) {
3311                    return timeoutTime - now;
3312                }
3313            }
3314            if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
3315                    && mScreenshotChordVolumeDownKeyConsumed) {
3316                if (!down) {
3317                    mScreenshotChordVolumeDownKeyConsumed = false;
3318                }
3319                return -1;
3320            }
3321        }
3322
3323        // If an accessibility shortcut might be partially complete, hold off dispatching until we
3324        // know if it is complete or not
3325        if (mAccessibilityShortcutController.isAccessibilityShortcutAvailable(false)
3326                && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
3327            if (mScreenshotChordVolumeDownKeyTriggered ^ mA11yShortcutChordVolumeUpKeyTriggered) {
3328                final long now = SystemClock.uptimeMillis();
3329                final long timeoutTime = (mScreenshotChordVolumeDownKeyTriggered
3330                        ? mScreenshotChordVolumeDownKeyTime : mA11yShortcutChordVolumeUpKeyTime)
3331                        + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
3332                if (now < timeoutTime) {
3333                    return timeoutTime - now;
3334                }
3335            }
3336            if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN && mScreenshotChordVolumeDownKeyConsumed) {
3337                if (!down) {
3338                    mScreenshotChordVolumeDownKeyConsumed = false;
3339                }
3340                return -1;
3341            }
3342            if (keyCode == KeyEvent.KEYCODE_VOLUME_UP && mA11yShortcutChordVolumeUpKeyConsumed) {
3343                if (!down) {
3344                    mA11yShortcutChordVolumeUpKeyConsumed = false;
3345                }
3346                return -1;
3347            }
3348        }
3349
3350        // Cancel any pending meta actions if we see any other keys being pressed between the down
3351        // of the meta key and its corresponding up.
3352        if (mPendingMetaAction && !KeyEvent.isMetaKey(keyCode)) {
3353            mPendingMetaAction = false;
3354        }
3355        // Any key that is not Alt or Meta cancels Caps Lock combo tracking.
3356        if (mPendingCapsLockToggle && !KeyEvent.isMetaKey(keyCode) && !KeyEvent.isAltKey(keyCode)) {
3357            mPendingCapsLockToggle = false;
3358        }
3359
3360        // First we always handle the home key here, so applications
3361        // can never break it, although if keyguard is on, we do let
3362        // it handle it, because that gives us the correct 5 second
3363        // timeout.
3364        if (keyCode == KeyEvent.KEYCODE_HOME) {
3365
3366            // If we have released the home key, and didn't do anything else
3367            // while it was pressed, then it is time to go home!
3368            if (!down) {
3369                cancelPreloadRecentApps();
3370
3371                if (mHasFeatureLeanback) {
3372                    // Clear flags
3373                    mAccessibilityTvKey2Pressed = down;
3374                }
3375
3376                mHomePressed = false;
3377                if (mHomeConsumed) {
3378                    mHomeConsumed = false;
3379                    return -1;
3380                }
3381
3382                if (canceled) {
3383                    Log.i(TAG, "Ignoring HOME; event canceled.");
3384                    return -1;
3385                }
3386
3387                // Delay handling home if a double-tap is possible.
3388                if (mDoubleTapOnHomeBehavior != DOUBLE_TAP_HOME_NOTHING) {
3389                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable); // just in case
3390                    mHomeDoubleTapPending = true;
3391                    mHandler.postDelayed(mHomeDoubleTapTimeoutRunnable,
3392                            ViewConfiguration.getDoubleTapTimeout());
3393                    return -1;
3394                }
3395
3396                handleShortPressOnHome();
3397                return -1;
3398            }
3399
3400            // If a system window has focus, then it doesn't make sense
3401            // right now to interact with applications.
3402            WindowManager.LayoutParams attrs = win != null ? win.getAttrs() : null;
3403            if (attrs != null) {
3404                final int type = attrs.type;
3405                if (type == TYPE_KEYGUARD_DIALOG
3406                        || (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
3407                    // the "app" is keyguard, so give it the key
3408                    return 0;
3409                }
3410                final int typeCount = WINDOW_TYPES_WHERE_HOME_DOESNT_WORK.length;
3411                for (int i=0; i<typeCount; i++) {
3412                    if (type == WINDOW_TYPES_WHERE_HOME_DOESNT_WORK[i]) {
3413                        // don't do anything, but also don't pass it to the app
3414                        return -1;
3415                    }
3416                }
3417            }
3418
3419            // Remember that home is pressed and handle special actions.
3420            if (repeatCount == 0) {
3421                mHomePressed = true;
3422                if (mHomeDoubleTapPending) {
3423                    mHomeDoubleTapPending = false;
3424                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable);
3425                    handleDoubleTapOnHome();
3426                } else if (mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
3427                    preloadRecentApps();
3428                }
3429            } else if ((event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) {
3430                if (mHasFeatureLeanback) {
3431                    mAccessibilityTvKey2Pressed = down;
3432                    if (interceptAccessibilityGestureTv()) {
3433                        return -1;
3434                    }
3435                }
3436
3437                if (!keyguardOn) {
3438                    handleLongPressOnHome(event.getDeviceId());
3439                }
3440            }
3441            return -1;
3442        } else if (keyCode == KeyEvent.KEYCODE_MENU) {
3443            // Hijack modified menu keys for debugging features
3444            final int chordBug = KeyEvent.META_SHIFT_ON;
3445
3446            if (down && repeatCount == 0) {
3447                if (mEnableShiftMenuBugReports && (metaState & chordBug) == chordBug) {
3448                    Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
3449                    mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT,
3450                            null, null, null, 0, null, null);
3451                    return -1;
3452                }
3453            }
3454        } else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
3455            if (down) {
3456                if (repeatCount == 0) {
3457                    mSearchKeyShortcutPending = true;
3458                    mConsumeSearchKeyUp = false;
3459                }
3460            } else {
3461                mSearchKeyShortcutPending = false;
3462                if (mConsumeSearchKeyUp) {
3463                    mConsumeSearchKeyUp = false;
3464                    return -1;
3465                }
3466            }
3467            return 0;
3468        } else if (keyCode == KeyEvent.KEYCODE_APP_SWITCH) {
3469            if (!keyguardOn) {
3470                if (down && repeatCount == 0) {
3471                    preloadRecentApps();
3472                } else if (!down) {
3473                    toggleRecentApps();
3474                }
3475            }
3476            return -1;
3477        } else if (keyCode == KeyEvent.KEYCODE_N && event.isMetaPressed()) {
3478            if (down) {
3479                IStatusBarService service = getStatusBarService();
3480                if (service != null) {
3481                    try {
3482                        service.expandNotificationsPanel();
3483                    } catch (RemoteException e) {
3484                        // do nothing.
3485                    }
3486                }
3487            }
3488        } else if (keyCode == KeyEvent.KEYCODE_S && event.isMetaPressed()
3489                && event.isCtrlPressed()) {
3490            if (down && repeatCount == 0) {
3491                int type = event.isShiftPressed() ? TAKE_SCREENSHOT_SELECTED_REGION
3492                        : TAKE_SCREENSHOT_FULLSCREEN;
3493                mScreenshotRunnable.setScreenshotType(type);
3494                mHandler.post(mScreenshotRunnable);
3495                return -1;
3496            }
3497        } else if (keyCode == KeyEvent.KEYCODE_SLASH && event.isMetaPressed()) {
3498            if (down && repeatCount == 0 && !isKeyguardLocked()) {
3499                toggleKeyboardShortcutsMenu(event.getDeviceId());
3500            }
3501        } else if (keyCode == KeyEvent.KEYCODE_ASSIST) {
3502            if (down) {
3503                if (repeatCount == 0) {
3504                    mAssistKeyLongPressed = false;
3505                } else if (repeatCount == 1) {
3506                    mAssistKeyLongPressed = true;
3507                    if (!keyguardOn) {
3508                         launchAssistLongPressAction();
3509                    }
3510                }
3511            } else {
3512                if (mAssistKeyLongPressed) {
3513                    mAssistKeyLongPressed = false;
3514                } else {
3515                    if (!keyguardOn) {
3516                        launchAssistAction(null, event.getDeviceId());
3517                    }
3518                }
3519            }
3520            return -1;
3521        } else if (keyCode == KeyEvent.KEYCODE_VOICE_ASSIST) {
3522            if (!down) {
3523                Intent voiceIntent;
3524                if (!keyguardOn) {
3525                    voiceIntent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
3526                } else {
3527                    IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
3528                            ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
3529                    if (dic != null) {
3530                        try {
3531                            dic.exitIdle("voice-search");
3532                        } catch (RemoteException e) {
3533                        }
3534                    }
3535                    voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
3536                    voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, true);
3537                }
3538                startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
3539            }
3540        } else if (keyCode == KeyEvent.KEYCODE_SYSRQ) {
3541            if (down && repeatCount == 0) {
3542                mScreenshotRunnable.setScreenshotType(TAKE_SCREENSHOT_FULLSCREEN);
3543                mHandler.post(mScreenshotRunnable);
3544            }
3545            return -1;
3546        } else if (keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP
3547                || keyCode == KeyEvent.KEYCODE_BRIGHTNESS_DOWN) {
3548            if (down) {
3549                int direction = keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP ? 1 : -1;
3550
3551                // Disable autobrightness if it's on
3552                int auto = Settings.System.getIntForUser(
3553                        mContext.getContentResolver(),
3554                        Settings.System.SCREEN_BRIGHTNESS_MODE,
3555                        Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
3556                        UserHandle.USER_CURRENT_OR_SELF);
3557                if (auto != 0) {
3558                    Settings.System.putIntForUser(mContext.getContentResolver(),
3559                            Settings.System.SCREEN_BRIGHTNESS_MODE,
3560                            Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
3561                            UserHandle.USER_CURRENT_OR_SELF);
3562                }
3563
3564                int min = mPowerManager.getMinimumScreenBrightnessSetting();
3565                int max = mPowerManager.getMaximumScreenBrightnessSetting();
3566                int step = (max - min + BRIGHTNESS_STEPS - 1) / BRIGHTNESS_STEPS * direction;
3567                int brightness = Settings.System.getIntForUser(mContext.getContentResolver(),
3568                        Settings.System.SCREEN_BRIGHTNESS,
3569                        mPowerManager.getDefaultScreenBrightnessSetting(),
3570                        UserHandle.USER_CURRENT_OR_SELF);
3571                brightness += step;
3572                // Make sure we don't go beyond the limits.
3573                brightness = Math.min(max, brightness);
3574                brightness = Math.max(min, brightness);
3575
3576                Settings.System.putIntForUser(mContext.getContentResolver(),
3577                        Settings.System.SCREEN_BRIGHTNESS, brightness,
3578                        UserHandle.USER_CURRENT_OR_SELF);
3579                startActivityAsUser(new Intent(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG),
3580                        UserHandle.CURRENT_OR_SELF);
3581            }
3582            return -1;
3583        } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP
3584                || keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
3585                || keyCode == KeyEvent.KEYCODE_VOLUME_MUTE) {
3586            if (mUseTvRouting || mHandleVolumeKeysInWM) {
3587                // On TVs or when the configuration is enabled, volume keys never
3588                // go to the foreground app.
3589                dispatchDirectAudioEvent(event);
3590                return -1;
3591            }
3592
3593            // If the device is in Vr mode, drop the volume keys and don't
3594            // forward it to the application/dispatch the audio event.
3595            if (mPersistentVrModeEnabled) {
3596                return -1;
3597            }
3598        } else if (keyCode == KeyEvent.KEYCODE_TAB && event.isMetaPressed()) {
3599            // Pass through keyboard navigation keys.
3600            return 0;
3601        } else if (mHasFeatureLeanback && interceptBugreportGestureTv(keyCode, down)) {
3602            return -1;
3603        } else if (mHasFeatureLeanback && keyCode == KeyEvent.KEYCODE_DPAD_CENTER) {
3604            mAccessibilityTvKey1Pressed = down;
3605            if (interceptAccessibilityGestureTv()) {
3606                return -1;
3607            }
3608        }
3609
3610        // Toggle Caps Lock on META-ALT.
3611        boolean actionTriggered = false;
3612        if (KeyEvent.isModifierKey(keyCode)) {
3613            if (!mPendingCapsLockToggle) {
3614                // Start tracking meta state for combo.
3615                mInitialMetaState = mMetaState;
3616                mPendingCapsLockToggle = true;
3617            } else if (event.getAction() == KeyEvent.ACTION_UP) {
3618                int altOnMask = mMetaState & KeyEvent.META_ALT_MASK;
3619                int metaOnMask = mMetaState & KeyEvent.META_META_MASK;
3620
3621                // Check for Caps Lock toggle
3622                if ((metaOnMask != 0) && (altOnMask != 0)) {
3623                    // Check if nothing else is pressed
3624                    if (mInitialMetaState == (mMetaState ^ (altOnMask | metaOnMask))) {
3625                        // Handle Caps Lock Toggle
3626                        mInputManagerInternal.toggleCapsLock(event.getDeviceId());
3627                        actionTriggered = true;
3628                    }
3629                }
3630
3631                // Always stop tracking when key goes up.
3632                mPendingCapsLockToggle = false;
3633            }
3634        }
3635        // Store current meta state to be able to evaluate it later.
3636        mMetaState = metaState;
3637
3638        if (actionTriggered) {
3639            return -1;
3640        }
3641
3642        if (KeyEvent.isMetaKey(keyCode)) {
3643            if (down) {
3644                mPendingMetaAction = true;
3645            } else if (mPendingMetaAction) {
3646                launchAssistAction(Intent.EXTRA_ASSIST_INPUT_HINT_KEYBOARD, event.getDeviceId());
3647            }
3648            return -1;
3649        }
3650
3651        // Shortcuts are invoked through Search+key, so intercept those here
3652        // Any printing key that is chorded with Search should be consumed
3653        // even if no shortcut was invoked.  This prevents text from being
3654        // inadvertently inserted when using a keyboard that has built-in macro
3655        // shortcut keys (that emit Search+x) and some of them are not registered.
3656        if (mSearchKeyShortcutPending) {
3657            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3658            if (kcm.isPrintingKey(keyCode)) {
3659                mConsumeSearchKeyUp = true;
3660                mSearchKeyShortcutPending = false;
3661                if (down && repeatCount == 0 && !keyguardOn) {
3662                    Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState);
3663                    if (shortcutIntent != null) {
3664                        shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3665                        try {
3666                            startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3667                            dismissKeyboardShortcutsMenu();
3668                        } catch (ActivityNotFoundException ex) {
3669                            Slog.w(TAG, "Dropping shortcut key combination because "
3670                                    + "the activity to which it is registered was not found: "
3671                                    + "SEARCH+" + KeyEvent.keyCodeToString(keyCode), ex);
3672                        }
3673                    } else {
3674                        Slog.i(TAG, "Dropping unregistered shortcut key combination: "
3675                                + "SEARCH+" + KeyEvent.keyCodeToString(keyCode));
3676                    }
3677                }
3678                return -1;
3679            }
3680        }
3681
3682        // Invoke shortcuts using Meta.
3683        if (down && repeatCount == 0 && !keyguardOn
3684                && (metaState & KeyEvent.META_META_ON) != 0) {
3685            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3686            if (kcm.isPrintingKey(keyCode)) {
3687                Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode,
3688                        metaState & ~(KeyEvent.META_META_ON
3689                                | KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_RIGHT_ON));
3690                if (shortcutIntent != null) {
3691                    shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3692                    try {
3693                        startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3694                        dismissKeyboardShortcutsMenu();
3695                    } catch (ActivityNotFoundException ex) {
3696                        Slog.w(TAG, "Dropping shortcut key combination because "
3697                                + "the activity to which it is registered was not found: "
3698                                + "META+" + KeyEvent.keyCodeToString(keyCode), ex);
3699                    }
3700                    return -1;
3701                }
3702            }
3703        }
3704
3705        // Handle application launch keys.
3706        if (down && repeatCount == 0 && !keyguardOn) {
3707            String category = sApplicationLaunchKeyCategories.get(keyCode);
3708            if (category != null) {
3709                Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, category);
3710                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3711                try {
3712                    startActivityAsUser(intent, UserHandle.CURRENT);
3713                    dismissKeyboardShortcutsMenu();
3714                } catch (ActivityNotFoundException ex) {
3715                    Slog.w(TAG, "Dropping application launch key because "
3716                            + "the activity to which it is registered was not found: "
3717                            + "keyCode=" + keyCode + ", category=" + category, ex);
3718                }
3719                return -1;
3720            }
3721        }
3722
3723        // Display task switcher for ALT-TAB.
3724        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_TAB) {
3725            if (mRecentAppsHeldModifiers == 0 && !keyguardOn && isUserSetupComplete()) {
3726                final int shiftlessModifiers = event.getModifiers() & ~KeyEvent.META_SHIFT_MASK;
3727                if (KeyEvent.metaStateHasModifiers(shiftlessModifiers, KeyEvent.META_ALT_ON)) {
3728                    mRecentAppsHeldModifiers = shiftlessModifiers;
3729                    showRecentApps(true, false);
3730                    return -1;
3731                }
3732            }
3733        } else if (!down && mRecentAppsHeldModifiers != 0
3734                && (metaState & mRecentAppsHeldModifiers) == 0) {
3735            mRecentAppsHeldModifiers = 0;
3736            hideRecentApps(true, false);
3737        }
3738
3739        // Handle input method switching.
3740        if (down && repeatCount == 0
3741                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3742                        || (keyCode == KeyEvent.KEYCODE_SPACE
3743                                && (metaState & KeyEvent.META_META_MASK) != 0))) {
3744            final boolean forwardDirection = (metaState & KeyEvent.META_SHIFT_MASK) == 0;
3745            mWindowManagerFuncs.switchInputMethod(forwardDirection);
3746            return -1;
3747        }
3748        if (mLanguageSwitchKeyPressed && !down
3749                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3750                        || keyCode == KeyEvent.KEYCODE_SPACE)) {
3751            mLanguageSwitchKeyPressed = false;
3752            return -1;
3753        }
3754
3755        if (isValidGlobalKey(keyCode)
3756                && mGlobalKeyManager.handleGlobalKey(mContext, keyCode, event)) {
3757            return -1;
3758        }
3759
3760        if (down) {
3761            long shortcutCode = keyCode;
3762            if (event.isCtrlPressed()) {
3763                shortcutCode |= ((long) KeyEvent.META_CTRL_ON) << Integer.SIZE;
3764            }
3765
3766            if (event.isAltPressed()) {
3767                shortcutCode |= ((long) KeyEvent.META_ALT_ON) << Integer.SIZE;
3768            }
3769
3770            if (event.isShiftPressed()) {
3771                shortcutCode |= ((long) KeyEvent.META_SHIFT_ON) << Integer.SIZE;
3772            }
3773
3774            if (event.isMetaPressed()) {
3775                shortcutCode |= ((long) KeyEvent.META_META_ON) << Integer.SIZE;
3776            }
3777
3778            IShortcutService shortcutService = mShortcutKeyServices.get(shortcutCode);
3779            if (shortcutService != null) {
3780                try {
3781                    if (isUserSetupComplete()) {
3782                        shortcutService.notifyShortcutKeyPressed(shortcutCode);
3783                    }
3784                } catch (RemoteException e) {
3785                    mShortcutKeyServices.delete(shortcutCode);
3786                }
3787                return -1;
3788            }
3789        }
3790
3791        // Reserve all the META modifier combos for system behavior
3792        if ((metaState & KeyEvent.META_META_ON) != 0) {
3793            return -1;
3794        }
3795
3796        // Let the application handle the key.
3797        return 0;
3798    }
3799
3800    /**
3801     * TV only: recognizes a remote control gesture for capturing a bug report.
3802     */
3803    private boolean interceptBugreportGestureTv(int keyCode, boolean down) {
3804        // The bugreport capture chord is a long press on DPAD CENTER and BACK simultaneously.
3805        if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER) {
3806            mBugreportTvKey1Pressed = down;
3807        } else if (keyCode == KeyEvent.KEYCODE_BACK) {
3808            mBugreportTvKey2Pressed = down;
3809        }
3810
3811        if (mBugreportTvKey1Pressed && mBugreportTvKey2Pressed) {
3812            if (!mBugreportTvScheduled) {
3813                mBugreportTvScheduled = true;
3814                Message msg = Message.obtain(mHandler, MSG_BUGREPORT_TV);
3815                msg.setAsynchronous(true);
3816                mHandler.sendMessageDelayed(msg, BUGREPORT_TV_GESTURE_TIMEOUT_MILLIS);
3817            }
3818        } else if (mBugreportTvScheduled) {
3819            mHandler.removeMessages(MSG_BUGREPORT_TV);
3820            mBugreportTvScheduled = false;
3821        }
3822
3823        return mBugreportTvScheduled;
3824    }
3825
3826    /**
3827     * TV only: recognizes a remote control gesture as Accessibility shortcut.
3828     * Shortcut: Long press (HOME + DPAD_CENTER)
3829     */
3830    private boolean interceptAccessibilityGestureTv() {
3831        if (mAccessibilityTvKey1Pressed && mAccessibilityTvKey2Pressed) {
3832            if (!mAccessibilityTvScheduled) {
3833                mAccessibilityTvScheduled = true;
3834                Message msg = Message.obtain(mHandler, MSG_ACCESSIBILITY_TV);
3835                msg.setAsynchronous(true);
3836                mHandler.sendMessage(msg);
3837            }
3838        } else if (mAccessibilityTvScheduled) {
3839            mHandler.removeMessages(MSG_ACCESSIBILITY_TV);
3840            mAccessibilityTvScheduled = false;
3841        }
3842        return mAccessibilityTvScheduled;
3843    }
3844
3845    private void takeBugreport() {
3846        if ("1".equals(SystemProperties.get("ro.debuggable"))
3847                || Settings.Global.getInt(mContext.getContentResolver(),
3848                        Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0) == 1) {
3849            try {
3850                ActivityManager.getService()
3851                        .requestBugReport(ActivityManager.BUGREPORT_OPTION_INTERACTIVE);
3852            } catch (RemoteException e) {
3853                Slog.e(TAG, "Error taking bugreport", e);
3854            }
3855        }
3856    }
3857
3858    /** {@inheritDoc} */
3859    @Override
3860    public KeyEvent dispatchUnhandledKey(WindowState win, KeyEvent event, int policyFlags) {
3861        // Note: This method is only called if the initial down was unhandled.
3862        if (DEBUG_INPUT) {
3863            Slog.d(TAG, "Unhandled key: win=" + win + ", action=" + event.getAction()
3864                    + ", flags=" + event.getFlags()
3865                    + ", keyCode=" + event.getKeyCode()
3866                    + ", scanCode=" + event.getScanCode()
3867                    + ", metaState=" + event.getMetaState()
3868                    + ", repeatCount=" + event.getRepeatCount()
3869                    + ", policyFlags=" + policyFlags);
3870        }
3871
3872        KeyEvent fallbackEvent = null;
3873        if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
3874            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3875            final int keyCode = event.getKeyCode();
3876            final int metaState = event.getMetaState();
3877            final boolean initialDown = event.getAction() == KeyEvent.ACTION_DOWN
3878                    && event.getRepeatCount() == 0;
3879
3880            // Check for fallback actions specified by the key character map.
3881            final FallbackAction fallbackAction;
3882            if (initialDown) {
3883                fallbackAction = kcm.getFallbackAction(keyCode, metaState);
3884            } else {
3885                fallbackAction = mFallbackActions.get(keyCode);
3886            }
3887
3888            if (fallbackAction != null) {
3889                if (DEBUG_INPUT) {
3890                    Slog.d(TAG, "Fallback: keyCode=" + fallbackAction.keyCode
3891                            + " metaState=" + Integer.toHexString(fallbackAction.metaState));
3892                }
3893
3894                final int flags = event.getFlags() | KeyEvent.FLAG_FALLBACK;
3895                fallbackEvent = KeyEvent.obtain(
3896                        event.getDownTime(), event.getEventTime(),
3897                        event.getAction(), fallbackAction.keyCode,
3898                        event.getRepeatCount(), fallbackAction.metaState,
3899                        event.getDeviceId(), event.getScanCode(),
3900                        flags, event.getSource(), null);
3901
3902                if (!interceptFallback(win, fallbackEvent, policyFlags)) {
3903                    fallbackEvent.recycle();
3904                    fallbackEvent = null;
3905                }
3906
3907                if (initialDown) {
3908                    mFallbackActions.put(keyCode, fallbackAction);
3909                } else if (event.getAction() == KeyEvent.ACTION_UP) {
3910                    mFallbackActions.remove(keyCode);
3911                    fallbackAction.recycle();
3912                }
3913            }
3914        }
3915
3916        if (DEBUG_INPUT) {
3917            if (fallbackEvent == null) {
3918                Slog.d(TAG, "No fallback.");
3919            } else {
3920                Slog.d(TAG, "Performing fallback: " + fallbackEvent);
3921            }
3922        }
3923        return fallbackEvent;
3924    }
3925
3926    private boolean interceptFallback(WindowState win, KeyEvent fallbackEvent, int policyFlags) {
3927        int actions = interceptKeyBeforeQueueing(fallbackEvent, policyFlags);
3928        if ((actions & ACTION_PASS_TO_USER) != 0) {
3929            long delayMillis = interceptKeyBeforeDispatching(
3930                    win, fallbackEvent, policyFlags);
3931            if (delayMillis == 0) {
3932                return true;
3933            }
3934        }
3935        return false;
3936    }
3937
3938    @Override
3939    public void registerShortcutKey(long shortcutCode, IShortcutService shortcutService)
3940            throws RemoteException {
3941        synchronized (mLock) {
3942            IShortcutService service = mShortcutKeyServices.get(shortcutCode);
3943            if (service != null && service.asBinder().pingBinder()) {
3944                throw new RemoteException("Key already exists.");
3945            }
3946
3947            mShortcutKeyServices.put(shortcutCode, shortcutService);
3948        }
3949    }
3950
3951    @Override
3952    public void onKeyguardOccludedChangedLw(boolean occluded) {
3953        if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
3954            mPendingKeyguardOccluded = occluded;
3955            mKeyguardOccludedChanged = true;
3956        } else {
3957            setKeyguardOccludedLw(occluded, false /* force */);
3958        }
3959    }
3960
3961    private int handleStartTransitionForKeyguardLw(int transit, @Nullable Animation anim) {
3962        if (mKeyguardOccludedChanged) {
3963            if (DEBUG_KEYGUARD) Slog.d(TAG, "transition/occluded changed occluded="
3964                    + mPendingKeyguardOccluded);
3965            mKeyguardOccludedChanged = false;
3966            if (setKeyguardOccludedLw(mPendingKeyguardOccluded, false /* force */)) {
3967                return FINISH_LAYOUT_REDO_LAYOUT | FINISH_LAYOUT_REDO_WALLPAPER;
3968            }
3969        }
3970        if (AppTransition.isKeyguardGoingAwayTransit(transit)) {
3971            if (DEBUG_KEYGUARD) Slog.d(TAG, "Starting keyguard exit animation");
3972            final long startTime = anim != null
3973                    ? SystemClock.uptimeMillis() + anim.getStartOffset()
3974                    : SystemClock.uptimeMillis();
3975            final long duration = anim != null
3976                    ? anim.getDuration()
3977                    : 0;
3978            startKeyguardExitAnimation(startTime, duration);
3979        }
3980        return 0;
3981    }
3982
3983    private void launchAssistLongPressAction() {
3984        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
3985        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3986
3987        // launch the search activity
3988        Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
3989        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3990        try {
3991            // TODO: This only stops the factory-installed search manager.
3992            // Need to formalize an API to handle others
3993            SearchManager searchManager = getSearchManager();
3994            if (searchManager != null) {
3995                searchManager.stopSearch();
3996            }
3997            startActivityAsUser(intent, UserHandle.CURRENT);
3998        } catch (ActivityNotFoundException e) {
3999            Slog.w(TAG, "No activity to handle assist long press action.", e);
4000        }
4001    }
4002
4003    private void launchAssistAction(String hint, int deviceId) {
4004        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
4005        if (!isUserSetupComplete()) {
4006            // Disable opening assist window during setup
4007            return;
4008        }
4009        Bundle args = null;
4010        if (deviceId > Integer.MIN_VALUE) {
4011            args = new Bundle();
4012            args.putInt(Intent.EXTRA_ASSIST_INPUT_DEVICE_ID, deviceId);
4013        }
4014        if ((mContext.getResources().getConfiguration().uiMode
4015                & Configuration.UI_MODE_TYPE_MASK) == Configuration.UI_MODE_TYPE_TELEVISION) {
4016            // On TV, use legacy handling until assistants are implemented in the proper way.
4017            ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
4018                    .launchLegacyAssist(hint, UserHandle.myUserId(), args);
4019        } else {
4020            if (hint != null) {
4021                if (args == null) {
4022                    args = new Bundle();
4023                }
4024                args.putBoolean(hint, true);
4025            }
4026            StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
4027            if (statusbar != null) {
4028                statusbar.startAssist(args);
4029            }
4030        }
4031    }
4032
4033    private void startActivityAsUser(Intent intent, UserHandle handle) {
4034        if (isUserSetupComplete()) {
4035            mContext.startActivityAsUser(intent, handle);
4036        } else {
4037            Slog.i(TAG, "Not starting activity because user setup is in progress: " + intent);
4038        }
4039    }
4040
4041    private SearchManager getSearchManager() {
4042        if (mSearchManager == null) {
4043            mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
4044        }
4045        return mSearchManager;
4046    }
4047
4048    private void preloadRecentApps() {
4049        mPreloadedRecentApps = true;
4050        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
4051        if (statusbar != null) {
4052            statusbar.preloadRecentApps();
4053        }
4054    }
4055
4056    private void cancelPreloadRecentApps() {
4057        if (mPreloadedRecentApps) {
4058            mPreloadedRecentApps = false;
4059            StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
4060            if (statusbar != null) {
4061                statusbar.cancelPreloadRecentApps();
4062            }
4063        }
4064    }
4065
4066    private void toggleRecentApps() {
4067        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
4068        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
4069        if (statusbar != null) {
4070            statusbar.toggleRecentApps();
4071        }
4072    }
4073
4074    @Override
4075    public void showRecentApps(boolean fromHome) {
4076        mHandler.removeMessages(MSG_DISPATCH_SHOW_RECENTS);
4077        mHandler.obtainMessage(MSG_DISPATCH_SHOW_RECENTS, fromHome ? 1 : 0, 0).sendToTarget();
4078    }
4079
4080    private void showRecentApps(boolean triggeredFromAltTab, boolean fromHome) {
4081        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
4082        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
4083        if (statusbar != null) {
4084            statusbar.showRecentApps(triggeredFromAltTab, fromHome);
4085        }
4086    }
4087
4088    private void toggleKeyboardShortcutsMenu(int deviceId) {
4089        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
4090        if (statusbar != null) {
4091            statusbar.toggleKeyboardShortcutsMenu(deviceId);
4092        }
4093    }
4094
4095    private void dismissKeyboardShortcutsMenu() {
4096        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
4097        if (statusbar != null) {
4098            statusbar.dismissKeyboardShortcutsMenu();
4099        }
4100    }
4101
4102    private void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHome) {
4103        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
4104        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
4105        if (statusbar != null) {
4106            statusbar.hideRecentApps(triggeredFromAltTab, triggeredFromHome);
4107        }
4108    }
4109
4110    void launchHomeFromHotKey() {
4111        launchHomeFromHotKey(true /* awakenFromDreams */, true /*respectKeyguard*/);
4112    }
4113
4114    /**
4115     * A home key -> launch home action was detected.  Take the appropriate action
4116     * given the situation with the keyguard.
4117     */
4118    void launchHomeFromHotKey(final boolean awakenFromDreams, final boolean respectKeyguard) {
4119        if (respectKeyguard) {
4120            if (isKeyguardShowingAndNotOccluded()) {
4121                // don't launch home if keyguard showing
4122                return;
4123            }
4124
4125            if (!mKeyguardOccluded && mKeyguardDelegate.isInputRestricted()) {
4126                // when in keyguard restricted mode, must first verify unlock
4127                // before launching home
4128                mKeyguardDelegate.verifyUnlock(new OnKeyguardExitResult() {
4129                    @Override
4130                    public void onKeyguardExitResult(boolean success) {
4131                        if (success) {
4132                            try {
4133                                ActivityManager.getService().stopAppSwitches();
4134                            } catch (RemoteException e) {
4135                            }
4136                            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
4137                            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
4138                        }
4139                    }
4140                });
4141                return;
4142            }
4143        }
4144
4145        // no keyguard stuff to worry about, just launch home!
4146        try {
4147            ActivityManager.getService().stopAppSwitches();
4148        } catch (RemoteException e) {
4149        }
4150        if (mRecentsVisible) {
4151            // Hide Recents and notify it to launch Home
4152            if (awakenFromDreams) {
4153                awakenDreams();
4154            }
4155            hideRecentApps(false, true);
4156        } else {
4157            // Otherwise, just launch Home
4158            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
4159            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
4160        }
4161    }
4162
4163    private final Runnable mClearHideNavigationFlag = new Runnable() {
4164        @Override
4165        public void run() {
4166            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
4167                // Clear flags.
4168                mForceClearedSystemUiFlags &=
4169                        ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
4170            }
4171            mWindowManagerFuncs.reevaluateStatusBarVisibility();
4172        }
4173    };
4174
4175    /**
4176     * Input handler used while nav bar is hidden.  Captures any touch on the screen,
4177     * to determine when the nav bar should be shown and prevent applications from
4178     * receiving those touches.
4179     */
4180    final class HideNavInputEventReceiver extends InputEventReceiver {
4181        public HideNavInputEventReceiver(InputChannel inputChannel, Looper looper) {
4182            super(inputChannel, looper);
4183        }
4184
4185        @Override
4186        public void onInputEvent(InputEvent event) {
4187            boolean handled = false;
4188            try {
4189                if (event instanceof MotionEvent
4190                        && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
4191                    final MotionEvent motionEvent = (MotionEvent)event;
4192                    if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
4193                        // When the user taps down, we re-show the nav bar.
4194                        boolean changed = false;
4195                        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
4196                            if (mInputConsumer == null) {
4197                                return;
4198                            }
4199                            // Any user activity always causes us to show the
4200                            // navigation controls, if they had been hidden.
4201                            // We also clear the low profile and only content
4202                            // flags so that tapping on the screen will atomically
4203                            // restore all currently hidden screen decorations.
4204                            int newVal = mResettingSystemUiFlags |
4205                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
4206                                    View.SYSTEM_UI_FLAG_LOW_PROFILE |
4207                                    View.SYSTEM_UI_FLAG_FULLSCREEN;
4208                            if (mResettingSystemUiFlags != newVal) {
4209                                mResettingSystemUiFlags = newVal;
4210                                changed = true;
4211                            }
4212                            // We don't allow the system's nav bar to be hidden
4213                            // again for 1 second, to prevent applications from
4214                            // spamming us and keeping it from being shown.
4215                            newVal = mForceClearedSystemUiFlags |
4216                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
4217                            if (mForceClearedSystemUiFlags != newVal) {
4218                                mForceClearedSystemUiFlags = newVal;
4219                                changed = true;
4220                                mHandler.postDelayed(mClearHideNavigationFlag, 1000);
4221                            }
4222                        }
4223                        if (changed) {
4224                            mWindowManagerFuncs.reevaluateStatusBarVisibility();
4225                        }
4226                    }
4227                }
4228            } finally {
4229                finishInputEvent(event, handled);
4230            }
4231        }
4232    }
4233
4234    @Override
4235    public void setRecentsVisibilityLw(boolean visible) {
4236        mRecentsVisible = visible;
4237    }
4238
4239    @Override
4240    public void setPipVisibilityLw(boolean visible) {
4241        mPictureInPictureVisible = visible;
4242    }
4243
4244    @Override
4245    public int adjustSystemUiVisibilityLw(int visibility) {
4246        mStatusBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
4247        mNavigationBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
4248
4249        // Reset any bits in mForceClearingStatusBarVisibility that
4250        // are now clear.
4251        mResettingSystemUiFlags &= visibility;
4252        // Clear any bits in the new visibility that are currently being
4253        // force cleared, before reporting it.
4254        return visibility & ~mResettingSystemUiFlags
4255                & ~mForceClearedSystemUiFlags;
4256    }
4257
4258    @Override
4259    public boolean getInsetHintLw(WindowManager.LayoutParams attrs, Rect taskBounds,
4260            int displayRotation, int displayWidth, int displayHeight, Rect outContentInsets,
4261            Rect outStableInsets, Rect outOutsets) {
4262        final int fl = PolicyControl.getWindowFlags(null, attrs);
4263        final int sysuiVis = PolicyControl.getSystemUiVisibility(null, attrs);
4264        final int systemUiVisibility = (sysuiVis | attrs.subtreeSystemUiVisibility);
4265
4266        final boolean useOutsets = outOutsets != null && shouldUseOutsets(attrs, fl);
4267        if (useOutsets) {
4268            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
4269            if (outset > 0) {
4270                if (displayRotation == Surface.ROTATION_0) {
4271                    outOutsets.bottom += outset;
4272                } else if (displayRotation == Surface.ROTATION_90) {
4273                    outOutsets.right += outset;
4274                } else if (displayRotation == Surface.ROTATION_180) {
4275                    outOutsets.top += outset;
4276                } else if (displayRotation == Surface.ROTATION_270) {
4277                    outOutsets.left += outset;
4278                }
4279            }
4280        }
4281
4282        if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
4283                == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
4284            int availRight, availBottom;
4285            if (canHideNavigationBar() &&
4286                    (systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0) {
4287                availRight = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4288                availBottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4289            } else {
4290                availRight = mRestrictedScreenLeft + mRestrictedScreenWidth;
4291                availBottom = mRestrictedScreenTop + mRestrictedScreenHeight;
4292            }
4293            if ((systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
4294                if ((fl & FLAG_FULLSCREEN) != 0) {
4295                    outContentInsets.set(mStableFullscreenLeft, mStableFullscreenTop,
4296                            availRight - mStableFullscreenRight,
4297                            availBottom - mStableFullscreenBottom);
4298                } else {
4299                    outContentInsets.set(mStableLeft, mStableTop,
4300                            availRight - mStableRight, availBottom - mStableBottom);
4301                }
4302            } else if ((fl & FLAG_FULLSCREEN) != 0 || (fl & FLAG_LAYOUT_IN_OVERSCAN) != 0) {
4303                outContentInsets.setEmpty();
4304            } else if ((systemUiVisibility & (View.SYSTEM_UI_FLAG_FULLSCREEN
4305                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)) == 0) {
4306                outContentInsets.set(mCurLeft, mCurTop,
4307                        availRight - mCurRight, availBottom - mCurBottom);
4308            } else {
4309                outContentInsets.set(mCurLeft, mCurTop,
4310                        availRight - mCurRight, availBottom - mCurBottom);
4311            }
4312
4313            outStableInsets.set(mStableLeft, mStableTop,
4314                    availRight - mStableRight, availBottom - mStableBottom);
4315            if (taskBounds != null) {
4316                calculateRelevantTaskInsets(taskBounds, outContentInsets,
4317                        displayWidth, displayHeight);
4318                calculateRelevantTaskInsets(taskBounds, outStableInsets,
4319                        displayWidth, displayHeight);
4320            }
4321            return mForceShowSystemBars;
4322        }
4323        outContentInsets.setEmpty();
4324        outStableInsets.setEmpty();
4325        return mForceShowSystemBars;
4326    }
4327
4328    /**
4329     * For any given task bounds, the insets relevant for these bounds given the insets relevant
4330     * for the entire display.
4331     */
4332    private void calculateRelevantTaskInsets(Rect taskBounds, Rect inOutInsets, int displayWidth,
4333            int displayHeight) {
4334        mTmpRect.set(0, 0, displayWidth, displayHeight);
4335        mTmpRect.inset(inOutInsets);
4336        mTmpRect.intersect(taskBounds);
4337        int leftInset = mTmpRect.left - taskBounds.left;
4338        int topInset = mTmpRect.top - taskBounds.top;
4339        int rightInset = taskBounds.right - mTmpRect.right;
4340        int bottomInset = taskBounds.bottom - mTmpRect.bottom;
4341        inOutInsets.set(leftInset, topInset, rightInset, bottomInset);
4342    }
4343
4344    private boolean shouldUseOutsets(WindowManager.LayoutParams attrs, int fl) {
4345        return attrs.type == TYPE_WALLPAPER || (fl & (WindowManager.LayoutParams.FLAG_FULLSCREEN
4346                | WindowManager.LayoutParams.FLAG_LAYOUT_IN_OVERSCAN)) != 0;
4347    }
4348
4349    /** {@inheritDoc} */
4350    @Override
4351    public void beginLayoutLw(boolean isDefaultDisplay, int displayWidth, int displayHeight,
4352                              int displayRotation, int uiMode) {
4353        mDisplayRotation = displayRotation;
4354        final int overscanLeft, overscanTop, overscanRight, overscanBottom;
4355        if (isDefaultDisplay) {
4356            switch (displayRotation) {
4357                case Surface.ROTATION_90:
4358                    overscanLeft = mOverscanTop;
4359                    overscanTop = mOverscanRight;
4360                    overscanRight = mOverscanBottom;
4361                    overscanBottom = mOverscanLeft;
4362                    break;
4363                case Surface.ROTATION_180:
4364                    overscanLeft = mOverscanRight;
4365                    overscanTop = mOverscanBottom;
4366                    overscanRight = mOverscanLeft;
4367                    overscanBottom = mOverscanTop;
4368                    break;
4369                case Surface.ROTATION_270:
4370                    overscanLeft = mOverscanBottom;
4371                    overscanTop = mOverscanLeft;
4372                    overscanRight = mOverscanTop;
4373                    overscanBottom = mOverscanRight;
4374                    break;
4375                default:
4376                    overscanLeft = mOverscanLeft;
4377                    overscanTop = mOverscanTop;
4378                    overscanRight = mOverscanRight;
4379                    overscanBottom = mOverscanBottom;
4380                    break;
4381            }
4382        } else {
4383            overscanLeft = 0;
4384            overscanTop = 0;
4385            overscanRight = 0;
4386            overscanBottom = 0;
4387        }
4388        mOverscanScreenLeft = mRestrictedOverscanScreenLeft = 0;
4389        mOverscanScreenTop = mRestrictedOverscanScreenTop = 0;
4390        mOverscanScreenWidth = mRestrictedOverscanScreenWidth = displayWidth;
4391        mOverscanScreenHeight = mRestrictedOverscanScreenHeight = displayHeight;
4392        mSystemLeft = 0;
4393        mSystemTop = 0;
4394        mSystemRight = displayWidth;
4395        mSystemBottom = displayHeight;
4396        mUnrestrictedScreenLeft = overscanLeft;
4397        mUnrestrictedScreenTop = overscanTop;
4398        mUnrestrictedScreenWidth = displayWidth - overscanLeft - overscanRight;
4399        mUnrestrictedScreenHeight = displayHeight - overscanTop - overscanBottom;
4400        mRestrictedScreenLeft = mUnrestrictedScreenLeft;
4401        mRestrictedScreenTop = mUnrestrictedScreenTop;
4402        mRestrictedScreenWidth = mSystemGestures.screenWidth = mUnrestrictedScreenWidth;
4403        mRestrictedScreenHeight = mSystemGestures.screenHeight = mUnrestrictedScreenHeight;
4404        mDockLeft = mContentLeft = mVoiceContentLeft = mStableLeft = mStableFullscreenLeft
4405                = mCurLeft = mUnrestrictedScreenLeft;
4406        mDockTop = mContentTop = mVoiceContentTop = mStableTop = mStableFullscreenTop
4407                = mCurTop = mUnrestrictedScreenTop;
4408        mDockRight = mContentRight = mVoiceContentRight = mStableRight = mStableFullscreenRight
4409                = mCurRight = displayWidth - overscanRight;
4410        mDockBottom = mContentBottom = mVoiceContentBottom = mStableBottom = mStableFullscreenBottom
4411                = mCurBottom = displayHeight - overscanBottom;
4412        mDockLayer = 0x10000000;
4413        mStatusBarLayer = -1;
4414
4415        // start with the current dock rect, which will be (0,0,displayWidth,displayHeight)
4416        final Rect pf = mTmpParentFrame;
4417        final Rect df = mTmpDisplayFrame;
4418        final Rect of = mTmpOverscanFrame;
4419        final Rect vf = mTmpVisibleFrame;
4420        final Rect dcf = mTmpDecorFrame;
4421        pf.left = df.left = of.left = vf.left = mDockLeft;
4422        pf.top = df.top = of.top = vf.top = mDockTop;
4423        pf.right = df.right = of.right = vf.right = mDockRight;
4424        pf.bottom = df.bottom = of.bottom = vf.bottom = mDockBottom;
4425        dcf.setEmpty();  // Decor frame N/A for system bars.
4426
4427        if (isDefaultDisplay) {
4428            // For purposes of putting out fake window up to steal focus, we will
4429            // drive nav being hidden only by whether it is requested.
4430            final int sysui = mLastSystemUiFlags;
4431            boolean navVisible = (sysui & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0;
4432            boolean navTranslucent = (sysui
4433                    & (View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT)) != 0;
4434            boolean immersive = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
4435            boolean immersiveSticky = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
4436            boolean navAllowedHidden = immersive || immersiveSticky;
4437            navTranslucent &= !immersiveSticky;  // transient trumps translucent
4438            boolean isKeyguardShowing = isStatusBarKeyguard() && !mKeyguardOccluded;
4439            if (!isKeyguardShowing) {
4440                navTranslucent &= areTranslucentBarsAllowed();
4441            }
4442            boolean statusBarExpandedNotKeyguard = !isKeyguardShowing && mStatusBar != null
4443                    && mStatusBar.getAttrs().height == MATCH_PARENT
4444                    && mStatusBar.getAttrs().width == MATCH_PARENT;
4445
4446            // When the navigation bar isn't visible, we put up a fake
4447            // input window to catch all touch events.  This way we can
4448            // detect when the user presses anywhere to bring back the nav
4449            // bar and ensure the application doesn't see the event.
4450            if (navVisible || navAllowedHidden) {
4451                if (mInputConsumer != null) {
4452                    mHandler.sendMessage(
4453                            mHandler.obtainMessage(MSG_DISPOSE_INPUT_CONSUMER, mInputConsumer));
4454                    mInputConsumer = null;
4455                }
4456            } else if (mInputConsumer == null) {
4457                mInputConsumer = mWindowManagerFuncs.createInputConsumer(mHandler.getLooper(),
4458                        INPUT_CONSUMER_NAVIGATION,
4459                        (channel, looper) -> new HideNavInputEventReceiver(channel, looper));
4460                // As long as mInputConsumer is active, hover events are not dispatched to the app
4461                // and the pointer icon is likely to become stale. Hide it to avoid confusion.
4462                InputManager.getInstance().setPointerIconType(PointerIcon.TYPE_NULL);
4463            }
4464
4465            // For purposes of positioning and showing the nav bar, if we have
4466            // decided that it can't be hidden (because of the screen aspect ratio),
4467            // then take that into account.
4468            navVisible |= !canHideNavigationBar();
4469
4470            boolean updateSysUiVisibility = layoutNavigationBar(displayWidth, displayHeight,
4471                    displayRotation, uiMode, overscanLeft, overscanRight, overscanBottom, dcf, navVisible, navTranslucent,
4472                    navAllowedHidden, statusBarExpandedNotKeyguard);
4473            if (DEBUG_LAYOUT) Slog.i(TAG, String.format("mDock rect: (%d,%d - %d,%d)",
4474                    mDockLeft, mDockTop, mDockRight, mDockBottom));
4475            updateSysUiVisibility |= layoutStatusBar(pf, df, of, vf, dcf, sysui, isKeyguardShowing);
4476            if (updateSysUiVisibility) {
4477                updateSystemUiVisibilityLw();
4478            }
4479        }
4480    }
4481
4482    private boolean layoutStatusBar(Rect pf, Rect df, Rect of, Rect vf, Rect dcf, int sysui,
4483            boolean isKeyguardShowing) {
4484        // decide where the status bar goes ahead of time
4485        if (mStatusBar != null) {
4486            // apply any navigation bar insets
4487            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4488            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4489            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
4490            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight
4491                    + mUnrestrictedScreenTop;
4492            vf.left = mStableLeft;
4493            vf.top = mStableTop;
4494            vf.right = mStableRight;
4495            vf.bottom = mStableBottom;
4496
4497            mStatusBarLayer = mStatusBar.getSurfaceLayer();
4498
4499            // Let the status bar determine its size.
4500            mStatusBar.computeFrameLw(pf /* parentFrame */, df /* displayFrame */,
4501                    vf /* overlayFrame */, vf /* contentFrame */, vf /* visibleFrame */,
4502                    dcf /* decorFrame */, vf /* stableFrame */, vf /* outsetFrame */);
4503
4504            // For layout, the status bar is always at the top with our fixed height.
4505            mStableTop = mUnrestrictedScreenTop + mStatusBarHeight;
4506
4507            boolean statusBarTransient = (sysui & View.STATUS_BAR_TRANSIENT) != 0;
4508            boolean statusBarTranslucent = (sysui
4509                    & (View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT)) != 0;
4510            if (!isKeyguardShowing) {
4511                statusBarTranslucent &= areTranslucentBarsAllowed();
4512            }
4513
4514            // If the status bar is hidden, we don't want to cause
4515            // windows behind it to scroll.
4516            if (mStatusBar.isVisibleLw() && !statusBarTransient) {
4517                // Status bar may go away, so the screen area it occupies
4518                // is available to apps but just covering them when the
4519                // status bar is visible.
4520                mDockTop = mUnrestrictedScreenTop + mStatusBarHeight;
4521
4522                mContentTop = mVoiceContentTop = mCurTop = mDockTop;
4523                mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
4524                mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
4525                mContentRight = mVoiceContentRight = mCurRight = mDockRight;
4526
4527                if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar: " +
4528                        String.format(
4529                                "dock=[%d,%d][%d,%d] content=[%d,%d][%d,%d] cur=[%d,%d][%d,%d]",
4530                                mDockLeft, mDockTop, mDockRight, mDockBottom,
4531                                mContentLeft, mContentTop, mContentRight, mContentBottom,
4532                                mCurLeft, mCurTop, mCurRight, mCurBottom));
4533            }
4534            if (mStatusBar.isVisibleLw() && !mStatusBar.isAnimatingLw()
4535                    && !statusBarTransient && !statusBarTranslucent
4536                    && !mStatusBarController.wasRecentlyTranslucent()) {
4537                // If the opaque status bar is currently requested to be visible,
4538                // and not in the process of animating on or off, then
4539                // we can tell the app that it is covered by it.
4540                mSystemTop = mUnrestrictedScreenTop + mStatusBarHeight;
4541            }
4542            if (mStatusBarController.checkHiddenLw()) {
4543                return true;
4544            }
4545        }
4546        return false;
4547    }
4548
4549    private boolean layoutNavigationBar(int displayWidth, int displayHeight, int displayRotation,
4550            int uiMode, int overscanLeft, int overscanRight, int overscanBottom, Rect dcf,
4551            boolean navVisible, boolean navTranslucent, boolean navAllowedHidden,
4552            boolean statusBarExpandedNotKeyguard) {
4553        if (mNavigationBar != null) {
4554            boolean transientNavBarShowing = mNavigationBarController.isTransientShowing();
4555            // Force the navigation bar to its appropriate place and
4556            // size.  We need to do this directly, instead of relying on
4557            // it to bubble up from the nav bar, because this needs to
4558            // change atomically with screen rotations.
4559            mNavigationBarPosition = navigationBarPosition(displayWidth, displayHeight,
4560                    displayRotation);
4561            if (mNavigationBarPosition == NAV_BAR_BOTTOM) {
4562                // It's a system nav bar or a portrait screen; nav bar goes on bottom.
4563                int top = displayHeight - overscanBottom
4564                        - getNavigationBarHeight(displayRotation, uiMode);
4565                mTmpNavigationFrame.set(0, top, displayWidth, displayHeight - overscanBottom);
4566                mStableBottom = mStableFullscreenBottom = mTmpNavigationFrame.top;
4567                if (transientNavBarShowing) {
4568                    mNavigationBarController.setBarShowingLw(true);
4569                } else if (navVisible) {
4570                    mNavigationBarController.setBarShowingLw(true);
4571                    mDockBottom = mTmpNavigationFrame.top;
4572                    mRestrictedScreenHeight = mDockBottom - mRestrictedScreenTop;
4573                    mRestrictedOverscanScreenHeight = mDockBottom - mRestrictedOverscanScreenTop;
4574                } else {
4575                    // We currently want to hide the navigation UI - unless we expanded the status
4576                    // bar.
4577                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4578                }
4579                if (navVisible && !navTranslucent && !navAllowedHidden
4580                        && !mNavigationBar.isAnimatingLw()
4581                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4582                    // If the opaque nav bar is currently requested to be visible,
4583                    // and not in the process of animating on or off, then
4584                    // we can tell the app that it is covered by it.
4585                    mSystemBottom = mTmpNavigationFrame.top;
4586                }
4587            } else if (mNavigationBarPosition == NAV_BAR_RIGHT) {
4588                // Landscape screen; nav bar goes to the right.
4589                int left = displayWidth - overscanRight
4590                        - getNavigationBarWidth(displayRotation, uiMode);
4591                mTmpNavigationFrame.set(left, 0, displayWidth - overscanRight, displayHeight);
4592                mStableRight = mStableFullscreenRight = mTmpNavigationFrame.left;
4593                if (transientNavBarShowing) {
4594                    mNavigationBarController.setBarShowingLw(true);
4595                } else if (navVisible) {
4596                    mNavigationBarController.setBarShowingLw(true);
4597                    mDockRight = mTmpNavigationFrame.left;
4598                    mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
4599                    mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
4600                } else {
4601                    // We currently want to hide the navigation UI - unless we expanded the status
4602                    // bar.
4603                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4604                }
4605                if (navVisible && !navTranslucent && !navAllowedHidden
4606                        && !mNavigationBar.isAnimatingLw()
4607                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4608                    // If the nav bar is currently requested to be visible,
4609                    // and not in the process of animating on or off, then
4610                    // we can tell the app that it is covered by it.
4611                    mSystemRight = mTmpNavigationFrame.left;
4612                }
4613            } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
4614                // Seascape screen; nav bar goes to the left.
4615                int right = overscanLeft + getNavigationBarWidth(displayRotation, uiMode);
4616                mTmpNavigationFrame.set(overscanLeft, 0, right, displayHeight);
4617                mStableLeft = mStableFullscreenLeft = mTmpNavigationFrame.right;
4618                if (transientNavBarShowing) {
4619                    mNavigationBarController.setBarShowingLw(true);
4620                } else if (navVisible) {
4621                    mNavigationBarController.setBarShowingLw(true);
4622                    mDockLeft = mTmpNavigationFrame.right;
4623                    // TODO: not so sure about those:
4624                    mRestrictedScreenLeft = mRestrictedOverscanScreenLeft = mDockLeft;
4625                    mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
4626                    mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
4627                } else {
4628                    // We currently want to hide the navigation UI - unless we expanded the status
4629                    // bar.
4630                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4631                }
4632                if (navVisible && !navTranslucent && !navAllowedHidden
4633                        && !mNavigationBar.isAnimatingLw()
4634                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4635                    // If the nav bar is currently requested to be visible,
4636                    // and not in the process of animating on or off, then
4637                    // we can tell the app that it is covered by it.
4638                    mSystemLeft = mTmpNavigationFrame.right;
4639                }
4640            }
4641            // Make sure the content and current rectangles are updated to
4642            // account for the restrictions from the navigation bar.
4643            mContentTop = mVoiceContentTop = mCurTop = mDockTop;
4644            mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
4645            mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
4646            mContentRight = mVoiceContentRight = mCurRight = mDockRight;
4647            mStatusBarLayer = mNavigationBar.getSurfaceLayer();
4648            // And compute the final frame.
4649            mNavigationBar.computeFrameLw(mTmpNavigationFrame, mTmpNavigationFrame,
4650                    mTmpNavigationFrame, mTmpNavigationFrame, mTmpNavigationFrame, dcf,
4651                    mTmpNavigationFrame, mTmpNavigationFrame);
4652            if (DEBUG_LAYOUT) Slog.i(TAG, "mNavigationBar frame: " + mTmpNavigationFrame);
4653            if (mNavigationBarController.checkHiddenLw()) {
4654                return true;
4655            }
4656        }
4657        return false;
4658    }
4659
4660    private int navigationBarPosition(int displayWidth, int displayHeight, int displayRotation) {
4661        if (mNavigationBarCanMove && displayWidth > displayHeight) {
4662            if (displayRotation == Surface.ROTATION_270) {
4663                return NAV_BAR_LEFT;
4664            } else {
4665                return NAV_BAR_RIGHT;
4666            }
4667        }
4668        return NAV_BAR_BOTTOM;
4669    }
4670
4671    /** {@inheritDoc} */
4672    @Override
4673    public int getSystemDecorLayerLw() {
4674        if (mStatusBar != null && mStatusBar.isVisibleLw()) {
4675            return mStatusBar.getSurfaceLayer();
4676        }
4677
4678        if (mNavigationBar != null && mNavigationBar.isVisibleLw()) {
4679            return mNavigationBar.getSurfaceLayer();
4680        }
4681
4682        return 0;
4683    }
4684
4685    @Override
4686    public void getContentRectLw(Rect r) {
4687        r.set(mContentLeft, mContentTop, mContentRight, mContentBottom);
4688    }
4689
4690    void setAttachedWindowFrames(WindowState win, int fl, int adjust, WindowState attached,
4691            boolean insetDecors, Rect pf, Rect df, Rect of, Rect cf, Rect vf) {
4692        if (win.getSurfaceLayer() > mDockLayer && attached.getSurfaceLayer() < mDockLayer) {
4693            // Here's a special case: if this attached window is a panel that is
4694            // above the dock window, and the window it is attached to is below
4695            // the dock window, then the frames we computed for the window it is
4696            // attached to can not be used because the dock is effectively part
4697            // of the underlying window and the attached window is floating on top
4698            // of the whole thing.  So, we ignore the attached window and explicitly
4699            // compute the frames that would be appropriate without the dock.
4700            df.left = of.left = cf.left = vf.left = mDockLeft;
4701            df.top = of.top = cf.top = vf.top = mDockTop;
4702            df.right = of.right = cf.right = vf.right = mDockRight;
4703            df.bottom = of.bottom = cf.bottom = vf.bottom = mDockBottom;
4704        } else {
4705            // The effective display frame of the attached window depends on
4706            // whether it is taking care of insetting its content.  If not,
4707            // we need to use the parent's content frame so that the entire
4708            // window is positioned within that content.  Otherwise we can use
4709            // the overscan frame and let the attached window take care of
4710            // positioning its content appropriately.
4711            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4712                // Set the content frame of the attached window to the parent's decor frame
4713                // (same as content frame when IME isn't present) if specifically requested by
4714                // setting {@link WindowManager.LayoutParams#FLAG_LAYOUT_ATTACHED_IN_DECOR} flag.
4715                // Otherwise, use the overscan frame.
4716                cf.set((fl & FLAG_LAYOUT_ATTACHED_IN_DECOR) != 0
4717                        ? attached.getContentFrameLw() : attached.getOverscanFrameLw());
4718            } else {
4719                // If the window is resizing, then we want to base the content
4720                // frame on our attached content frame to resize...  however,
4721                // things can be tricky if the attached window is NOT in resize
4722                // mode, in which case its content frame will be larger.
4723                // Ungh.  So to deal with that, make sure the content frame
4724                // we end up using is not covering the IM dock.
4725                cf.set(attached.getContentFrameLw());
4726                if (attached.isVoiceInteraction()) {
4727                    if (cf.left < mVoiceContentLeft) cf.left = mVoiceContentLeft;
4728                    if (cf.top < mVoiceContentTop) cf.top = mVoiceContentTop;
4729                    if (cf.right > mVoiceContentRight) cf.right = mVoiceContentRight;
4730                    if (cf.bottom > mVoiceContentBottom) cf.bottom = mVoiceContentBottom;
4731                } else if (attached.getSurfaceLayer() < mDockLayer) {
4732                    if (cf.left < mContentLeft) cf.left = mContentLeft;
4733                    if (cf.top < mContentTop) cf.top = mContentTop;
4734                    if (cf.right > mContentRight) cf.right = mContentRight;
4735                    if (cf.bottom > mContentBottom) cf.bottom = mContentBottom;
4736                }
4737            }
4738            df.set(insetDecors ? attached.getDisplayFrameLw() : cf);
4739            of.set(insetDecors ? attached.getOverscanFrameLw() : cf);
4740            vf.set(attached.getVisibleFrameLw());
4741        }
4742        // The LAYOUT_IN_SCREEN flag is used to determine whether the attached
4743        // window should be positioned relative to its parent or the entire
4744        // screen.
4745        pf.set((fl & FLAG_LAYOUT_IN_SCREEN) == 0
4746                ? attached.getFrameLw() : df);
4747    }
4748
4749    private void applyStableConstraints(int sysui, int fl, Rect r) {
4750        if ((sysui & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
4751            // If app is requesting a stable layout, don't let the
4752            // content insets go below the stable values.
4753            if ((fl & FLAG_FULLSCREEN) != 0) {
4754                if (r.left < mStableFullscreenLeft) r.left = mStableFullscreenLeft;
4755                if (r.top < mStableFullscreenTop) r.top = mStableFullscreenTop;
4756                if (r.right > mStableFullscreenRight) r.right = mStableFullscreenRight;
4757                if (r.bottom > mStableFullscreenBottom) r.bottom = mStableFullscreenBottom;
4758            } else {
4759                if (r.left < mStableLeft) r.left = mStableLeft;
4760                if (r.top < mStableTop) r.top = mStableTop;
4761                if (r.right > mStableRight) r.right = mStableRight;
4762                if (r.bottom > mStableBottom) r.bottom = mStableBottom;
4763            }
4764        }
4765    }
4766
4767    private boolean canReceiveInput(WindowState win) {
4768        boolean notFocusable =
4769                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) != 0;
4770        boolean altFocusableIm =
4771                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM) != 0;
4772        boolean notFocusableForIm = notFocusable ^ altFocusableIm;
4773        return !notFocusableForIm;
4774    }
4775
4776    /** {@inheritDoc} */
4777    @Override
4778    public void layoutWindowLw(WindowState win, WindowState attached) {
4779        // We've already done the navigation bar and status bar. If the status bar can receive
4780        // input, we need to layout it again to accomodate for the IME window.
4781        if ((win == mStatusBar && !canReceiveInput(win)) || win == mNavigationBar) {
4782            return;
4783        }
4784        final WindowManager.LayoutParams attrs = win.getAttrs();
4785        final boolean isDefaultDisplay = win.isDefaultDisplay();
4786        final boolean needsToOffsetInputMethodTarget = isDefaultDisplay &&
4787                (win == mLastInputMethodTargetWindow && mLastInputMethodWindow != null);
4788        if (needsToOffsetInputMethodTarget) {
4789            if (DEBUG_LAYOUT) Slog.i(TAG, "Offset ime target window by the last ime window state");
4790            offsetInputMethodWindowLw(mLastInputMethodWindow);
4791        }
4792
4793        final int fl = PolicyControl.getWindowFlags(win, attrs);
4794        final int pfl = attrs.privateFlags;
4795        final int sim = attrs.softInputMode;
4796        final int sysUiFl = PolicyControl.getSystemUiVisibility(win, null);
4797
4798        final Rect pf = mTmpParentFrame;
4799        final Rect df = mTmpDisplayFrame;
4800        final Rect of = mTmpOverscanFrame;
4801        final Rect cf = mTmpContentFrame;
4802        final Rect vf = mTmpVisibleFrame;
4803        final Rect dcf = mTmpDecorFrame;
4804        final Rect sf = mTmpStableFrame;
4805        Rect osf = null;
4806        dcf.setEmpty();
4807
4808        final boolean hasNavBar = (isDefaultDisplay && mHasNavigationBar
4809                && mNavigationBar != null && mNavigationBar.isVisibleLw());
4810
4811        final int adjust = sim & SOFT_INPUT_MASK_ADJUST;
4812
4813        if (isDefaultDisplay) {
4814            sf.set(mStableLeft, mStableTop, mStableRight, mStableBottom);
4815        } else {
4816            sf.set(mOverscanLeft, mOverscanTop, mOverscanRight, mOverscanBottom);
4817        }
4818
4819        if (!isDefaultDisplay) {
4820            if (attached != null) {
4821                // If this window is attached to another, our display
4822                // frame is the same as the one we are attached to.
4823                setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4824            } else {
4825                // Give the window full screen.
4826                pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4827                pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4828                pf.right = df.right = of.right = cf.right
4829                        = mOverscanScreenLeft + mOverscanScreenWidth;
4830                pf.bottom = df.bottom = of.bottom = cf.bottom
4831                        = mOverscanScreenTop + mOverscanScreenHeight;
4832            }
4833        } else if (attrs.type == TYPE_INPUT_METHOD) {
4834            pf.left = df.left = of.left = cf.left = vf.left = mDockLeft;
4835            pf.top = df.top = of.top = cf.top = vf.top = mDockTop;
4836            pf.right = df.right = of.right = cf.right = vf.right = mDockRight;
4837            // IM dock windows layout below the nav bar...
4838            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4839            // ...with content insets above the nav bar
4840            cf.bottom = vf.bottom = mStableBottom;
4841            if (mStatusBar != null && mFocusedWindow == mStatusBar && canReceiveInput(mStatusBar)) {
4842                // The status bar forces the navigation bar while it's visible. Make sure the IME
4843                // avoids the navigation bar in that case.
4844                if (mNavigationBarPosition == NAV_BAR_RIGHT) {
4845                    pf.right = df.right = of.right = cf.right = vf.right = mStableRight;
4846                } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
4847                    pf.left = df.left = of.left = cf.left = vf.left = mStableLeft;
4848                }
4849            }
4850            // IM dock windows always go to the bottom of the screen.
4851            attrs.gravity = Gravity.BOTTOM;
4852            mDockLayer = win.getSurfaceLayer();
4853        } else if (attrs.type == TYPE_VOICE_INTERACTION) {
4854            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4855            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4856            pf.right = df.right = of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4857            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4858            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4859                cf.left = mDockLeft;
4860                cf.top = mDockTop;
4861                cf.right = mDockRight;
4862                cf.bottom = mDockBottom;
4863            } else {
4864                cf.left = mContentLeft;
4865                cf.top = mContentTop;
4866                cf.right = mContentRight;
4867                cf.bottom = mContentBottom;
4868            }
4869            if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4870                vf.left = mCurLeft;
4871                vf.top = mCurTop;
4872                vf.right = mCurRight;
4873                vf.bottom = mCurBottom;
4874            } else {
4875                vf.set(cf);
4876            }
4877        } else if (attrs.type == TYPE_WALLPAPER) {
4878           layoutWallpaper(win, pf, df, of, cf);
4879        } else if (win == mStatusBar) {
4880            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4881            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4882            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
4883            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight + mUnrestrictedScreenTop;
4884            cf.left = vf.left = mStableLeft;
4885            cf.top = vf.top = mStableTop;
4886            cf.right = vf.right = mStableRight;
4887            vf.bottom = mStableBottom;
4888
4889            if (adjust == SOFT_INPUT_ADJUST_RESIZE) {
4890                cf.bottom = mContentBottom;
4891            } else {
4892                cf.bottom = mDockBottom;
4893                vf.bottom = mContentBottom;
4894            }
4895        } else {
4896
4897            // Default policy decor for the default display
4898            dcf.left = mSystemLeft;
4899            dcf.top = mSystemTop;
4900            dcf.right = mSystemRight;
4901            dcf.bottom = mSystemBottom;
4902            final boolean inheritTranslucentDecor = (attrs.privateFlags
4903                    & WindowManager.LayoutParams.PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR) != 0;
4904            final boolean isAppWindow =
4905                    attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW &&
4906                    attrs.type <= WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
4907            final boolean topAtRest =
4908                    win == mTopFullscreenOpaqueWindowState && !win.isAnimatingLw();
4909            if (isAppWindow && !inheritTranslucentDecor && !topAtRest) {
4910                if ((sysUiFl & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0
4911                        && (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) == 0
4912                        && (fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) == 0
4913                        && (fl & WindowManager.LayoutParams.
4914                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0
4915                        && (pfl & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND) == 0) {
4916                    // Ensure policy decor includes status bar
4917                    dcf.top = mStableTop;
4918                }
4919                if ((fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) == 0
4920                        && (sysUiFl & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0
4921                        && (fl & WindowManager.LayoutParams.
4922                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
4923                    // Ensure policy decor includes navigation bar
4924                    dcf.bottom = mStableBottom;
4925                    dcf.right = mStableRight;
4926                }
4927            }
4928
4929            if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
4930                    == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
4931                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle()
4932                            + "): IN_SCREEN, INSET_DECOR");
4933                // This is the case for a normal activity window: we want it
4934                // to cover all of the screen space, and it can take care of
4935                // moving its contents to account for screen decorations that
4936                // intrude into that space.
4937                if (attached != null) {
4938                    // If this window is attached to another, our display
4939                    // frame is the same as the one we are attached to.
4940                    setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4941                } else {
4942                    if (attrs.type == TYPE_STATUS_BAR_PANEL
4943                            || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
4944                        // Status bar panels are the only windows who can go on top of
4945                        // the status bar.  They are protected by the STATUS_BAR_SERVICE
4946                        // permission, so they have the same privileges as the status
4947                        // bar itself.
4948                        //
4949                        // However, they should still dodge the navigation bar if it exists.
4950
4951                        pf.left = df.left = of.left = hasNavBar
4952                                ? mDockLeft : mUnrestrictedScreenLeft;
4953                        pf.top = df.top = of.top = mUnrestrictedScreenTop;
4954                        pf.right = df.right = of.right = hasNavBar
4955                                ? mRestrictedScreenLeft+mRestrictedScreenWidth
4956                                : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4957                        pf.bottom = df.bottom = of.bottom = hasNavBar
4958                                ? mRestrictedScreenTop+mRestrictedScreenHeight
4959                                : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4960
4961                        if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4962                                        "Laying out status bar window: (%d,%d - %d,%d)",
4963                                        pf.left, pf.top, pf.right, pf.bottom));
4964                    } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4965                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4966                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4967                        // Asking to layout into the overscan region, so give it that pure
4968                        // unrestricted area.
4969                        pf.left = df.left = of.left = mOverscanScreenLeft;
4970                        pf.top = df.top = of.top = mOverscanScreenTop;
4971                        pf.right = df.right = of.right = mOverscanScreenLeft + mOverscanScreenWidth;
4972                        pf.bottom = df.bottom = of.bottom = mOverscanScreenTop
4973                                + mOverscanScreenHeight;
4974                    } else if (canHideNavigationBar()
4975                            && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4976                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4977                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4978                        // Asking for layout as if the nav bar is hidden, lets the
4979                        // application extend into the unrestricted overscan screen area.  We
4980                        // only do this for application windows to ensure no window that
4981                        // can be above the nav bar can do this.
4982                        pf.left = df.left = mOverscanScreenLeft;
4983                        pf.top = df.top = mOverscanScreenTop;
4984                        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4985                        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4986                        // We need to tell the app about where the frame inside the overscan
4987                        // is, so it can inset its content by that amount -- it didn't ask
4988                        // to actually extend itself into the overscan region.
4989                        of.left = mUnrestrictedScreenLeft;
4990                        of.top = mUnrestrictedScreenTop;
4991                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4992                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4993                    } else {
4994                        pf.left = df.left = mRestrictedOverscanScreenLeft;
4995                        pf.top = df.top = mRestrictedOverscanScreenTop;
4996                        pf.right = df.right = mRestrictedOverscanScreenLeft
4997                                + mRestrictedOverscanScreenWidth;
4998                        pf.bottom = df.bottom = mRestrictedOverscanScreenTop
4999                                + mRestrictedOverscanScreenHeight;
5000                        // We need to tell the app about where the frame inside the overscan
5001                        // is, so it can inset its content by that amount -- it didn't ask
5002                        // to actually extend itself into the overscan region.
5003                        of.left = mUnrestrictedScreenLeft;
5004                        of.top = mUnrestrictedScreenTop;
5005                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
5006                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
5007                    }
5008
5009                    if ((fl & FLAG_FULLSCREEN) == 0) {
5010                        if (win.isVoiceInteraction()) {
5011                            cf.left = mVoiceContentLeft;
5012                            cf.top = mVoiceContentTop;
5013                            cf.right = mVoiceContentRight;
5014                            cf.bottom = mVoiceContentBottom;
5015                        } else {
5016                            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
5017                                cf.left = mDockLeft;
5018                                cf.top = mDockTop;
5019                                cf.right = mDockRight;
5020                                cf.bottom = mDockBottom;
5021                            } else {
5022                                cf.left = mContentLeft;
5023                                cf.top = mContentTop;
5024                                cf.right = mContentRight;
5025                                cf.bottom = mContentBottom;
5026                            }
5027                        }
5028                    } else {
5029                        // Full screen windows are always given a layout that is as if the
5030                        // status bar and other transient decors are gone.  This is to avoid
5031                        // bad states when moving from a window that is not hding the
5032                        // status bar to one that is.
5033                        cf.left = mRestrictedScreenLeft;
5034                        cf.top = mRestrictedScreenTop;
5035                        cf.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
5036                        cf.bottom = mRestrictedScreenTop + mRestrictedScreenHeight;
5037                    }
5038                    applyStableConstraints(sysUiFl, fl, cf);
5039                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
5040                        vf.left = mCurLeft;
5041                        vf.top = mCurTop;
5042                        vf.right = mCurRight;
5043                        vf.bottom = mCurBottom;
5044                    } else {
5045                        vf.set(cf);
5046                    }
5047                }
5048            } else if ((fl & FLAG_LAYOUT_IN_SCREEN) != 0 || (sysUiFl
5049                    & (View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
5050                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION)) != 0) {
5051                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
5052                        "): IN_SCREEN");
5053                // A window that has requested to fill the entire screen just
5054                // gets everything, period.
5055                if (attrs.type == TYPE_STATUS_BAR_PANEL
5056                        || attrs.type == TYPE_STATUS_BAR_SUB_PANEL
5057                        || attrs.type == TYPE_VOLUME_OVERLAY) {
5058                    pf.left = df.left = of.left = cf.left = hasNavBar
5059                            ? mDockLeft : mUnrestrictedScreenLeft;
5060                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
5061                    pf.right = df.right = of.right = cf.right = hasNavBar
5062                                        ? mRestrictedScreenLeft+mRestrictedScreenWidth
5063                                        : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
5064                    pf.bottom = df.bottom = of.bottom = cf.bottom = hasNavBar
5065                                          ? mRestrictedScreenTop+mRestrictedScreenHeight
5066                                          : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
5067                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
5068                                    "Laying out IN_SCREEN status bar window: (%d,%d - %d,%d)",
5069                                    pf.left, pf.top, pf.right, pf.bottom));
5070                } else if (attrs.type == TYPE_NAVIGATION_BAR
5071                        || attrs.type == TYPE_NAVIGATION_BAR_PANEL) {
5072                    // The navigation bar has Real Ultimate Power.
5073                    pf.left = df.left = of.left = mUnrestrictedScreenLeft;
5074                    pf.top = df.top = of.top = mUnrestrictedScreenTop;
5075                    pf.right = df.right = of.right = mUnrestrictedScreenLeft
5076                            + mUnrestrictedScreenWidth;
5077                    pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop
5078                            + mUnrestrictedScreenHeight;
5079                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
5080                                    "Laying out navigation bar window: (%d,%d - %d,%d)",
5081                                    pf.left, pf.top, pf.right, pf.bottom));
5082                } else if ((attrs.type == TYPE_SECURE_SYSTEM_OVERLAY
5083                                || attrs.type == TYPE_BOOT_PROGRESS
5084                                || attrs.type == TYPE_SCREENSHOT)
5085                        && ((fl & FLAG_FULLSCREEN) != 0)) {
5086                    // Fullscreen secure system overlays get what they ask for. Screenshot region
5087                    // selection overlay should also expand to full screen.
5088                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
5089                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
5090                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
5091                            + mOverscanScreenWidth;
5092                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
5093                            + mOverscanScreenHeight;
5094                } else if (attrs.type == TYPE_BOOT_PROGRESS) {
5095                    // Boot progress screen always covers entire display.
5096                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
5097                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
5098                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
5099                            + mOverscanScreenWidth;
5100                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
5101                            + mOverscanScreenHeight;
5102                } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
5103                        && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
5104                        && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
5105                    // Asking to layout into the overscan region, so give it that pure
5106                    // unrestricted area.
5107                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
5108                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
5109                    pf.right = df.right = of.right = cf.right
5110                            = mOverscanScreenLeft + mOverscanScreenWidth;
5111                    pf.bottom = df.bottom = of.bottom = cf.bottom
5112                            = mOverscanScreenTop + mOverscanScreenHeight;
5113                } else if (canHideNavigationBar()
5114                        && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
5115                        && (attrs.type == TYPE_STATUS_BAR
5116                            || attrs.type == TYPE_TOAST
5117                            || attrs.type == TYPE_DOCK_DIVIDER
5118                            || attrs.type == TYPE_VOICE_INTERACTION_STARTING
5119                            || (attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
5120                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW))) {
5121                    // Asking for layout as if the nav bar is hidden, lets the
5122                    // application extend into the unrestricted screen area.  We
5123                    // only do this for application windows (or toasts) to ensure no window that
5124                    // can be above the nav bar can do this.
5125                    // XXX This assumes that an app asking for this will also
5126                    // ask for layout in only content.  We can't currently figure out
5127                    // what the screen would be if only laying out to hide the nav bar.
5128                    pf.left = df.left = of.left = cf.left = mUnrestrictedScreenLeft;
5129                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
5130                    pf.right = df.right = of.right = cf.right = mUnrestrictedScreenLeft
5131                            + mUnrestrictedScreenWidth;
5132                    pf.bottom = df.bottom = of.bottom = cf.bottom = mUnrestrictedScreenTop
5133                            + mUnrestrictedScreenHeight;
5134                } else if ((sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN) != 0) {
5135                    pf.left = df.left = of.left = mRestrictedScreenLeft;
5136                    pf.top = df.top = of.top  = mRestrictedScreenTop;
5137                    pf.right = df.right = of.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
5138                    pf.bottom = df.bottom = of.bottom = mRestrictedScreenTop
5139                            + mRestrictedScreenHeight;
5140                    if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
5141                        cf.left = mDockLeft;
5142                        cf.top = mDockTop;
5143                        cf.right = mDockRight;
5144                        cf.bottom = mDockBottom;
5145                    } else {
5146                        cf.left = mContentLeft;
5147                        cf.top = mContentTop;
5148                        cf.right = mContentRight;
5149                        cf.bottom = mContentBottom;
5150                    }
5151                } else {
5152                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
5153                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
5154                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
5155                            + mRestrictedScreenWidth;
5156                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
5157                            + mRestrictedScreenHeight;
5158                }
5159
5160                applyStableConstraints(sysUiFl, fl, cf);
5161
5162                if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
5163                    vf.left = mCurLeft;
5164                    vf.top = mCurTop;
5165                    vf.right = mCurRight;
5166                    vf.bottom = mCurBottom;
5167                } else {
5168                    vf.set(cf);
5169                }
5170            } else if (attached != null) {
5171                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
5172                        "): attached to " + attached);
5173                // A child window should be placed inside of the same visible
5174                // frame that its parent had.
5175                setAttachedWindowFrames(win, fl, adjust, attached, false, pf, df, of, cf, vf);
5176            } else {
5177                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
5178                        "): normal window");
5179                // Otherwise, a normal window must be placed inside the content
5180                // of all screen decorations.
5181                if (attrs.type == TYPE_STATUS_BAR_PANEL || attrs.type == TYPE_VOLUME_OVERLAY) {
5182                    // Status bar panels and the volume dialog are the only windows who can go on
5183                    // top of the status bar.  They are protected by the STATUS_BAR_SERVICE
5184                    // permission, so they have the same privileges as the status
5185                    // bar itself.
5186                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
5187                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
5188                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
5189                            + mRestrictedScreenWidth;
5190                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
5191                            + mRestrictedScreenHeight;
5192                } else if (attrs.type == TYPE_TOAST || attrs.type == TYPE_SYSTEM_ALERT) {
5193                    // These dialogs are stable to interim decor changes.
5194                    pf.left = df.left = of.left = cf.left = mStableLeft;
5195                    pf.top = df.top = of.top = cf.top = mStableTop;
5196                    pf.right = df.right = of.right = cf.right = mStableRight;
5197                    pf.bottom = df.bottom = of.bottom = cf.bottom = mStableBottom;
5198                } else {
5199                    pf.left = mContentLeft;
5200                    pf.top = mContentTop;
5201                    pf.right = mContentRight;
5202                    pf.bottom = mContentBottom;
5203                    if (win.isVoiceInteraction()) {
5204                        df.left = of.left = cf.left = mVoiceContentLeft;
5205                        df.top = of.top = cf.top = mVoiceContentTop;
5206                        df.right = of.right = cf.right = mVoiceContentRight;
5207                        df.bottom = of.bottom = cf.bottom = mVoiceContentBottom;
5208                    } else if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
5209                        df.left = of.left = cf.left = mDockLeft;
5210                        df.top = of.top = cf.top = mDockTop;
5211                        df.right = of.right = cf.right = mDockRight;
5212                        df.bottom = of.bottom = cf.bottom = mDockBottom;
5213                    } else {
5214                        df.left = of.left = cf.left = mContentLeft;
5215                        df.top = of.top = cf.top = mContentTop;
5216                        df.right = of.right = cf.right = mContentRight;
5217                        df.bottom = of.bottom = cf.bottom = mContentBottom;
5218                    }
5219                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
5220                        vf.left = mCurLeft;
5221                        vf.top = mCurTop;
5222                        vf.right = mCurRight;
5223                        vf.bottom = mCurBottom;
5224                    } else {
5225                        vf.set(cf);
5226                    }
5227                }
5228            }
5229        }
5230
5231        // TYPE_SYSTEM_ERROR is above the NavigationBar so it can't be allowed to extend over it.
5232        // Also, we don't allow windows in multi-window mode to extend out of the screen.
5233        if ((fl & FLAG_LAYOUT_NO_LIMITS) != 0 && attrs.type != TYPE_SYSTEM_ERROR
5234                && !win.isInMultiWindowMode()) {
5235            df.left = df.top = -10000;
5236            df.right = df.bottom = 10000;
5237            if (attrs.type != TYPE_WALLPAPER) {
5238                of.left = of.top = cf.left = cf.top = vf.left = vf.top = -10000;
5239                of.right = of.bottom = cf.right = cf.bottom = vf.right = vf.bottom = 10000;
5240            }
5241        }
5242
5243        // If the device has a chin (e.g. some watches), a dead area at the bottom of the screen we
5244        // need to provide information to the clients that want to pretend that you can draw there.
5245        // We only want to apply outsets to certain types of windows. For example, we never want to
5246        // apply the outsets to floating dialogs, because they wouldn't make sense there.
5247        final boolean useOutsets = shouldUseOutsets(attrs, fl);
5248        if (isDefaultDisplay && useOutsets) {
5249            osf = mTmpOutsetFrame;
5250            osf.set(cf.left, cf.top, cf.right, cf.bottom);
5251            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
5252            if (outset > 0) {
5253                int rotation = mDisplayRotation;
5254                if (rotation == Surface.ROTATION_0) {
5255                    osf.bottom += outset;
5256                } else if (rotation == Surface.ROTATION_90) {
5257                    osf.right += outset;
5258                } else if (rotation == Surface.ROTATION_180) {
5259                    osf.top -= outset;
5260                } else if (rotation == Surface.ROTATION_270) {
5261                    osf.left -= outset;
5262                }
5263                if (DEBUG_LAYOUT) Slog.v(TAG, "applying bottom outset of " + outset
5264                        + " with rotation " + rotation + ", result: " + osf);
5265            }
5266        }
5267
5268        if (DEBUG_LAYOUT) Slog.v(TAG, "Compute frame " + attrs.getTitle()
5269                + ": sim=#" + Integer.toHexString(sim)
5270                + " attach=" + attached + " type=" + attrs.type
5271                + String.format(" flags=0x%08x", fl)
5272                + " pf=" + pf.toShortString() + " df=" + df.toShortString()
5273                + " of=" + of.toShortString()
5274                + " cf=" + cf.toShortString() + " vf=" + vf.toShortString()
5275                + " dcf=" + dcf.toShortString()
5276                + " sf=" + sf.toShortString()
5277                + " osf=" + (osf == null ? "null" : osf.toShortString()));
5278
5279        win.computeFrameLw(pf, df, of, cf, vf, dcf, sf, osf);
5280
5281        // Dock windows carve out the bottom of the screen, so normal windows
5282        // can't appear underneath them.
5283        if (attrs.type == TYPE_INPUT_METHOD && win.isVisibleLw()
5284                && !win.getGivenInsetsPendingLw()) {
5285            setLastInputMethodWindowLw(null, null);
5286            offsetInputMethodWindowLw(win);
5287        }
5288        if (attrs.type == TYPE_VOICE_INTERACTION && win.isVisibleLw()
5289                && !win.getGivenInsetsPendingLw()) {
5290            offsetVoiceInputWindowLw(win);
5291        }
5292    }
5293
5294    private void layoutWallpaper(WindowState win, Rect pf, Rect df, Rect of, Rect cf) {
5295
5296        // The wallpaper also has Real Ultimate Power, but we want to tell
5297        // it about the overscan area.
5298        pf.left = df.left = mOverscanScreenLeft;
5299        pf.top = df.top = mOverscanScreenTop;
5300        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
5301        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
5302        of.left = cf.left = mUnrestrictedScreenLeft;
5303        of.top = cf.top = mUnrestrictedScreenTop;
5304        of.right = cf.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
5305        of.bottom = cf.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
5306    }
5307
5308    private void offsetInputMethodWindowLw(WindowState win) {
5309        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
5310        top += win.getGivenContentInsetsLw().top;
5311        if (mContentBottom > top) {
5312            mContentBottom = top;
5313        }
5314        if (mVoiceContentBottom > top) {
5315            mVoiceContentBottom = top;
5316        }
5317        top = win.getVisibleFrameLw().top;
5318        top += win.getGivenVisibleInsetsLw().top;
5319        if (mCurBottom > top) {
5320            mCurBottom = top;
5321        }
5322        if (DEBUG_LAYOUT) Slog.v(TAG, "Input method: mDockBottom="
5323                + mDockBottom + " mContentBottom="
5324                + mContentBottom + " mCurBottom=" + mCurBottom);
5325    }
5326
5327    private void offsetVoiceInputWindowLw(WindowState win) {
5328        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
5329        top += win.getGivenContentInsetsLw().top;
5330        if (mVoiceContentBottom > top) {
5331            mVoiceContentBottom = top;
5332        }
5333    }
5334
5335    /** {@inheritDoc} */
5336    @Override
5337    public void finishLayoutLw() {
5338        return;
5339    }
5340
5341    /** {@inheritDoc} */
5342    @Override
5343    public void beginPostLayoutPolicyLw(int displayWidth, int displayHeight) {
5344        mTopFullscreenOpaqueWindowState = null;
5345        mTopFullscreenOpaqueOrDimmingWindowState = null;
5346        mTopDockedOpaqueWindowState = null;
5347        mTopDockedOpaqueOrDimmingWindowState = null;
5348        mForceStatusBar = false;
5349        mForceStatusBarFromKeyguard = false;
5350        mForceStatusBarTransparent = false;
5351        mForcingShowNavBar = false;
5352        mForcingShowNavBarLayer = -1;
5353
5354        mAllowLockscreenWhenOn = false;
5355        mShowingDream = false;
5356    }
5357
5358    /** {@inheritDoc} */
5359    @Override
5360    public void applyPostLayoutPolicyLw(WindowState win, WindowManager.LayoutParams attrs,
5361            WindowState attached, WindowState imeTarget) {
5362        final boolean affectsSystemUi = win.canAffectSystemUiFlags();
5363        if (DEBUG_LAYOUT) Slog.i(TAG, "Win " + win + ": affectsSystemUi=" + affectsSystemUi);
5364        applyKeyguardPolicyLw(win, imeTarget);
5365        final int fl = PolicyControl.getWindowFlags(win, attrs);
5366        if (mTopFullscreenOpaqueWindowState == null && affectsSystemUi
5367                && attrs.type == TYPE_INPUT_METHOD) {
5368            mForcingShowNavBar = true;
5369            mForcingShowNavBarLayer = win.getSurfaceLayer();
5370        }
5371        if (attrs.type == TYPE_STATUS_BAR) {
5372            if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
5373                mForceStatusBarFromKeyguard = true;
5374            }
5375            if ((attrs.privateFlags & PRIVATE_FLAG_FORCE_STATUS_BAR_VISIBLE_TRANSPARENT) != 0) {
5376                mForceStatusBarTransparent = true;
5377            }
5378        }
5379
5380        boolean appWindow = attrs.type >= FIRST_APPLICATION_WINDOW
5381                && attrs.type < FIRST_SYSTEM_WINDOW;
5382        final int stackId = win.getStackId();
5383        if (mTopFullscreenOpaqueWindowState == null && affectsSystemUi) {
5384            if ((fl & FLAG_FORCE_NOT_FULLSCREEN) != 0) {
5385                mForceStatusBar = true;
5386            }
5387            if (attrs.type == TYPE_DREAM) {
5388                // If the lockscreen was showing when the dream started then wait
5389                // for the dream to draw before hiding the lockscreen.
5390                if (!mDreamingLockscreen
5391                        || (win.isVisibleLw() && win.hasDrawnLw())) {
5392                    mShowingDream = true;
5393                    appWindow = true;
5394                }
5395            }
5396
5397            // For app windows that are not attached, we decide if all windows in the app they
5398            // represent should be hidden or if we should hide the lockscreen. For attached app
5399            // windows we defer the decision to the window it is attached to.
5400            if (appWindow && attached == null) {
5401                if (isFullscreen(attrs) && StackId.normallyFullscreenWindows(stackId)) {
5402                    if (DEBUG_LAYOUT) Slog.v(TAG, "Fullscreen window: " + win);
5403                    mTopFullscreenOpaqueWindowState = win;
5404                    if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
5405                        mTopFullscreenOpaqueOrDimmingWindowState = win;
5406                    }
5407                    if ((fl & FLAG_ALLOW_LOCK_WHILE_SCREEN_ON) != 0) {
5408                        mAllowLockscreenWhenOn = true;
5409                    }
5410                }
5411            }
5412        }
5413
5414        // Voice interaction overrides both top fullscreen and top docked.
5415        if (affectsSystemUi && win.getAttrs().type == TYPE_VOICE_INTERACTION) {
5416            if (mTopFullscreenOpaqueWindowState == null) {
5417                mTopFullscreenOpaqueWindowState = win;
5418                if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
5419                    mTopFullscreenOpaqueOrDimmingWindowState = win;
5420                }
5421            }
5422            if (mTopDockedOpaqueWindowState == null) {
5423                mTopDockedOpaqueWindowState = win;
5424                if (mTopDockedOpaqueOrDimmingWindowState == null) {
5425                    mTopDockedOpaqueOrDimmingWindowState = win;
5426                }
5427            }
5428        }
5429
5430        // Keep track of the window if it's dimming but not necessarily fullscreen.
5431        if (mTopFullscreenOpaqueOrDimmingWindowState == null && affectsSystemUi
5432                && win.isDimming() && StackId.normallyFullscreenWindows(stackId)) {
5433            mTopFullscreenOpaqueOrDimmingWindowState = win;
5434        }
5435
5436        // We need to keep track of the top "fullscreen" opaque window for the docked stack
5437        // separately, because both the "real fullscreen" opaque window and the one for the docked
5438        // stack can control View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR.
5439        if (mTopDockedOpaqueWindowState == null && affectsSystemUi && appWindow && attached == null
5440                && isFullscreen(attrs) && stackId == DOCKED_STACK_ID) {
5441            mTopDockedOpaqueWindowState = win;
5442            if (mTopDockedOpaqueOrDimmingWindowState == null) {
5443                mTopDockedOpaqueOrDimmingWindowState = win;
5444            }
5445        }
5446
5447        // Also keep track of any windows that are dimming but not necessarily fullscreen in the
5448        // docked stack.
5449        if (mTopDockedOpaqueOrDimmingWindowState == null && affectsSystemUi && win.isDimming()
5450                && stackId == DOCKED_STACK_ID) {
5451            mTopDockedOpaqueOrDimmingWindowState = win;
5452        }
5453    }
5454
5455    private void applyKeyguardPolicyLw(WindowState win, WindowState imeTarget) {
5456        if (canBeHiddenByKeyguardLw(win)) {
5457            if (shouldBeHiddenByKeyguard(win, imeTarget)) {
5458                win.hideLw(false /* doAnimation */);
5459            } else {
5460                win.showLw(false /* doAnimation */);
5461            }
5462        }
5463    }
5464
5465    private boolean isFullscreen(WindowManager.LayoutParams attrs) {
5466        return attrs.x == 0 && attrs.y == 0
5467                && attrs.width == WindowManager.LayoutParams.MATCH_PARENT
5468                && attrs.height == WindowManager.LayoutParams.MATCH_PARENT;
5469    }
5470
5471    /** {@inheritDoc} */
5472    @Override
5473    public int finishPostLayoutPolicyLw() {
5474        int changes = 0;
5475        boolean topIsFullscreen = false;
5476
5477        final WindowManager.LayoutParams lp = (mTopFullscreenOpaqueWindowState != null)
5478                ? mTopFullscreenOpaqueWindowState.getAttrs()
5479                : null;
5480
5481        // If we are not currently showing a dream then remember the current
5482        // lockscreen state.  We will use this to determine whether the dream
5483        // started while the lockscreen was showing and remember this state
5484        // while the dream is showing.
5485        if (!mShowingDream) {
5486            mDreamingLockscreen = isKeyguardShowingAndNotOccluded();
5487            if (mDreamingSleepTokenNeeded) {
5488                mDreamingSleepTokenNeeded = false;
5489                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 0, 1).sendToTarget();
5490            }
5491        } else {
5492            if (!mDreamingSleepTokenNeeded) {
5493                mDreamingSleepTokenNeeded = true;
5494                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 1, 1).sendToTarget();
5495            }
5496        }
5497
5498        if (mStatusBar != null) {
5499            if (DEBUG_LAYOUT) Slog.i(TAG, "force=" + mForceStatusBar
5500                    + " forcefkg=" + mForceStatusBarFromKeyguard
5501                    + " top=" + mTopFullscreenOpaqueWindowState);
5502            boolean shouldBeTransparent = mForceStatusBarTransparent
5503                    && !mForceStatusBar
5504                    && !mForceStatusBarFromKeyguard;
5505            if (!shouldBeTransparent) {
5506                mStatusBarController.setShowTransparent(false /* transparent */);
5507            } else if (!mStatusBar.isVisibleLw()) {
5508                mStatusBarController.setShowTransparent(true /* transparent */);
5509            }
5510
5511            WindowManager.LayoutParams statusBarAttrs = mStatusBar.getAttrs();
5512            boolean statusBarExpanded = statusBarAttrs.height == MATCH_PARENT
5513                    && statusBarAttrs.width == MATCH_PARENT;
5514            if (mForceStatusBar || mForceStatusBarFromKeyguard || mForceStatusBarTransparent
5515                    || statusBarExpanded) {
5516                if (DEBUG_LAYOUT) Slog.v(TAG, "Showing status bar: forced");
5517                if (mStatusBarController.setBarShowingLw(true)) {
5518                    changes |= FINISH_LAYOUT_REDO_LAYOUT;
5519                }
5520                // Maintain fullscreen layout until incoming animation is complete.
5521                topIsFullscreen = mTopIsFullscreen && mStatusBar.isAnimatingLw();
5522                // Transient status bar on the lockscreen is not allowed
5523                if ((mForceStatusBarFromKeyguard || statusBarExpanded)
5524                        && mStatusBarController.isTransientShowing()) {
5525                    mStatusBarController.updateVisibilityLw(false /*transientAllowed*/,
5526                            mLastSystemUiFlags, mLastSystemUiFlags);
5527                }
5528                if (statusBarExpanded && mNavigationBar != null) {
5529                    if (mNavigationBarController.setBarShowingLw(true)) {
5530                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5531                    }
5532                }
5533            } else if (mTopFullscreenOpaqueWindowState != null) {
5534                final int fl = PolicyControl.getWindowFlags(null, lp);
5535                if (localLOGV) {
5536                    Slog.d(TAG, "frame: " + mTopFullscreenOpaqueWindowState.getFrameLw()
5537                            + " shown position: "
5538                            + mTopFullscreenOpaqueWindowState.getShownPositionLw());
5539                    Slog.d(TAG, "attr: " + mTopFullscreenOpaqueWindowState.getAttrs()
5540                            + " lp.flags=0x" + Integer.toHexString(fl));
5541                }
5542                topIsFullscreen = (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0
5543                        || (mLastSystemUiFlags & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
5544                // The subtle difference between the window for mTopFullscreenOpaqueWindowState
5545                // and mTopIsFullscreen is that mTopIsFullscreen is set only if the window
5546                // has the FLAG_FULLSCREEN set.  Not sure if there is another way that to be the
5547                // case though.
5548                if (mStatusBarController.isTransientShowing()) {
5549                    if (mStatusBarController.setBarShowingLw(true)) {
5550                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5551                    }
5552                } else if (topIsFullscreen
5553                        && !mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID)
5554                        && !mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID)) {
5555                    if (DEBUG_LAYOUT) Slog.v(TAG, "** HIDING status bar");
5556                    if (mStatusBarController.setBarShowingLw(false)) {
5557                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5558                    } else {
5559                        if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar already hiding");
5560                    }
5561                } else {
5562                    if (DEBUG_LAYOUT) Slog.v(TAG, "** SHOWING status bar: top is not fullscreen");
5563                    if (mStatusBarController.setBarShowingLw(true)) {
5564                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5565                    }
5566                }
5567            }
5568        }
5569
5570        if (mTopIsFullscreen != topIsFullscreen) {
5571            if (!topIsFullscreen) {
5572                // Force another layout when status bar becomes fully shown.
5573                changes |= FINISH_LAYOUT_REDO_LAYOUT;
5574            }
5575            mTopIsFullscreen = topIsFullscreen;
5576        }
5577
5578        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
5579            // If the navigation bar has been hidden or shown, we need to do another
5580            // layout pass to update that window.
5581            changes |= FINISH_LAYOUT_REDO_LAYOUT;
5582        }
5583
5584        if (mShowingDream != mLastShowingDream) {
5585            mLastShowingDream = mShowingDream;
5586            mWindowManagerFuncs.notifyShowingDreamChanged();
5587        }
5588
5589        // update since mAllowLockscreenWhenOn might have changed
5590        updateLockScreenTimeout();
5591        return changes;
5592    }
5593
5594    /**
5595     * Updates the occluded state of the Keyguard.
5596     *
5597     * @return Whether the flags have changed and we have to redo the layout.
5598     */
5599    private boolean setKeyguardOccludedLw(boolean isOccluded, boolean force) {
5600        if (DEBUG_KEYGUARD) Slog.d(TAG, "setKeyguardOccluded occluded=" + isOccluded);
5601        final boolean wasOccluded = mKeyguardOccluded;
5602        final boolean showing = mKeyguardDelegate.isShowing();
5603        final boolean changed = wasOccluded != isOccluded || force;
5604        if (!isOccluded && changed && showing) {
5605            mKeyguardOccluded = false;
5606            mKeyguardDelegate.setOccluded(false, true /* animate */);
5607            if (mStatusBar != null) {
5608                mStatusBar.getAttrs().privateFlags |= PRIVATE_FLAG_KEYGUARD;
5609                if (!mKeyguardDelegate.hasLockscreenWallpaper()) {
5610                    mStatusBar.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
5611                }
5612            }
5613            return true;
5614        } else if (isOccluded && changed && showing) {
5615            mKeyguardOccluded = true;
5616            mKeyguardDelegate.setOccluded(true, false /* animate */);
5617            if (mStatusBar != null) {
5618                mStatusBar.getAttrs().privateFlags &= ~PRIVATE_FLAG_KEYGUARD;
5619                mStatusBar.getAttrs().flags &= ~FLAG_SHOW_WALLPAPER;
5620            }
5621            return true;
5622        } else if (changed) {
5623            mKeyguardOccluded = isOccluded;
5624            mKeyguardDelegate.setOccluded(isOccluded, false /* animate */);
5625            return false;
5626        } else {
5627            return false;
5628        }
5629    }
5630
5631    private boolean isStatusBarKeyguard() {
5632        return mStatusBar != null
5633                && (mStatusBar.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
5634    }
5635
5636    @Override
5637    public boolean allowAppAnimationsLw() {
5638        if (mShowingDream) {
5639            // If keyguard or dreams is currently visible, no reason to animate behind it.
5640            return false;
5641        }
5642        return true;
5643    }
5644
5645    @Override
5646    public int focusChangedLw(WindowState lastFocus, WindowState newFocus) {
5647        mFocusedWindow = newFocus;
5648        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
5649            // If the navigation bar has been hidden or shown, we need to do another
5650            // layout pass to update that window.
5651            return FINISH_LAYOUT_REDO_LAYOUT;
5652        }
5653        return 0;
5654    }
5655
5656    /** {@inheritDoc} */
5657    @Override
5658    public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
5659        // lid changed state
5660        final int newLidState = lidOpen ? LID_OPEN : LID_CLOSED;
5661        if (newLidState == mLidState) {
5662            return;
5663        }
5664
5665        mLidState = newLidState;
5666        applyLidSwitchState();
5667        updateRotation(true);
5668
5669        if (lidOpen) {
5670            wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromLidSwitch,
5671                    "android.policy:LID");
5672        } else if (!mLidControlsSleep) {
5673            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
5674        }
5675    }
5676
5677    @Override
5678    public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) {
5679        int lensCoverState = lensCovered ? CAMERA_LENS_COVERED : CAMERA_LENS_UNCOVERED;
5680        if (mCameraLensCoverState == lensCoverState) {
5681            return;
5682        }
5683        if (mCameraLensCoverState == CAMERA_LENS_COVERED &&
5684                lensCoverState == CAMERA_LENS_UNCOVERED) {
5685            Intent intent;
5686            final boolean keyguardActive = mKeyguardDelegate == null ? false :
5687                    mKeyguardDelegate.isShowing();
5688            if (keyguardActive) {
5689                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);
5690            } else {
5691                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
5692            }
5693            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromCameraLens,
5694                    "android.policy:CAMERA_COVER");
5695            startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
5696        }
5697        mCameraLensCoverState = lensCoverState;
5698    }
5699
5700    void setHdmiPlugged(boolean plugged) {
5701        if (mHdmiPlugged != plugged) {
5702            mHdmiPlugged = plugged;
5703            updateRotation(true, true);
5704            Intent intent = new Intent(ACTION_HDMI_PLUGGED);
5705            intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
5706            intent.putExtra(EXTRA_HDMI_PLUGGED_STATE, plugged);
5707            mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
5708        }
5709    }
5710
5711    void initializeHdmiState() {
5712        boolean plugged = false;
5713        // watch for HDMI plug messages if the hdmi switch exists
5714        if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
5715            mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
5716
5717            final String filename = "/sys/class/switch/hdmi/state";
5718            FileReader reader = null;
5719            try {
5720                reader = new FileReader(filename);
5721                char[] buf = new char[15];
5722                int n = reader.read(buf);
5723                if (n > 1) {
5724                    plugged = 0 != Integer.parseInt(new String(buf, 0, n-1));
5725                }
5726            } catch (IOException ex) {
5727                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
5728            } catch (NumberFormatException ex) {
5729                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
5730            } finally {
5731                if (reader != null) {
5732                    try {
5733                        reader.close();
5734                    } catch (IOException ex) {
5735                    }
5736                }
5737            }
5738        }
5739        // This dance forces the code in setHdmiPlugged to run.
5740        // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
5741        mHdmiPlugged = !plugged;
5742        setHdmiPlugged(!mHdmiPlugged);
5743    }
5744
5745    final Object mScreenshotLock = new Object();
5746    ServiceConnection mScreenshotConnection = null;
5747
5748    final Runnable mScreenshotTimeout = new Runnable() {
5749        @Override public void run() {
5750            synchronized (mScreenshotLock) {
5751                if (mScreenshotConnection != null) {
5752                    mContext.unbindService(mScreenshotConnection);
5753                    mScreenshotConnection = null;
5754                    notifyScreenshotError();
5755                }
5756            }
5757        }
5758    };
5759
5760    // Assume this is called from the Handler thread.
5761    private void takeScreenshot(final int screenshotType) {
5762        synchronized (mScreenshotLock) {
5763            if (mScreenshotConnection != null) {
5764                return;
5765            }
5766            final ComponentName serviceComponent = new ComponentName(SYSUI_PACKAGE,
5767                    SYSUI_SCREENSHOT_SERVICE);
5768            final Intent serviceIntent = new Intent();
5769            serviceIntent.setComponent(serviceComponent);
5770            ServiceConnection conn = new ServiceConnection() {
5771                @Override
5772                public void onServiceConnected(ComponentName name, IBinder service) {
5773                    synchronized (mScreenshotLock) {
5774                        if (mScreenshotConnection != this) {
5775                            return;
5776                        }
5777                        Messenger messenger = new Messenger(service);
5778                        Message msg = Message.obtain(null, screenshotType);
5779                        final ServiceConnection myConn = this;
5780                        Handler h = new Handler(mHandler.getLooper()) {
5781                            @Override
5782                            public void handleMessage(Message msg) {
5783                                synchronized (mScreenshotLock) {
5784                                    if (mScreenshotConnection == myConn) {
5785                                        mContext.unbindService(mScreenshotConnection);
5786                                        mScreenshotConnection = null;
5787                                        mHandler.removeCallbacks(mScreenshotTimeout);
5788                                    }
5789                                }
5790                            }
5791                        };
5792                        msg.replyTo = new Messenger(h);
5793                        msg.arg1 = msg.arg2 = 0;
5794                        if (mStatusBar != null && mStatusBar.isVisibleLw())
5795                            msg.arg1 = 1;
5796                        if (mNavigationBar != null && mNavigationBar.isVisibleLw())
5797                            msg.arg2 = 1;
5798                        try {
5799                            messenger.send(msg);
5800                        } catch (RemoteException e) {
5801                        }
5802                    }
5803                }
5804
5805                @Override
5806                public void onServiceDisconnected(ComponentName name) {
5807                    synchronized (mScreenshotLock) {
5808                        if (mScreenshotConnection != null) {
5809                            mContext.unbindService(mScreenshotConnection);
5810                            mScreenshotConnection = null;
5811                            mHandler.removeCallbacks(mScreenshotTimeout);
5812                            notifyScreenshotError();
5813                        }
5814                    }
5815                }
5816            };
5817            if (mContext.bindServiceAsUser(serviceIntent, conn,
5818                    Context.BIND_AUTO_CREATE | Context.BIND_FOREGROUND_SERVICE_WHILE_AWAKE,
5819                    UserHandle.CURRENT)) {
5820                mScreenshotConnection = conn;
5821                mHandler.postDelayed(mScreenshotTimeout, 10000);
5822            }
5823        }
5824    }
5825
5826    /**
5827     * Notifies the screenshot service to show an error.
5828     */
5829    private void notifyScreenshotError() {
5830        // If the service process is killed, then ask it to clean up after itself
5831        final ComponentName errorComponent = new ComponentName(SYSUI_PACKAGE,
5832                SYSUI_SCREENSHOT_ERROR_RECEIVER);
5833        Intent errorIntent = new Intent(Intent.ACTION_USER_PRESENT);
5834        errorIntent.setComponent(errorComponent);
5835        errorIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT |
5836                Intent.FLAG_RECEIVER_FOREGROUND);
5837        mContext.sendBroadcastAsUser(errorIntent, UserHandle.CURRENT);
5838    }
5839
5840    /** {@inheritDoc} */
5841    @Override
5842    public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) {
5843        if (!mSystemBooted) {
5844            // If we have not yet booted, don't let key events do anything.
5845            return 0;
5846        }
5847
5848        final boolean interactive = (policyFlags & FLAG_INTERACTIVE) != 0;
5849        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
5850        final boolean canceled = event.isCanceled();
5851        final int keyCode = event.getKeyCode();
5852
5853        final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;
5854
5855        // If screen is off then we treat the case where the keyguard is open but hidden
5856        // the same as if it were open and in front.
5857        // This will prevent any keys other than the power button from waking the screen
5858        // when the keyguard is hidden by another activity.
5859        final boolean keyguardActive = (mKeyguardDelegate == null ? false :
5860                                            (interactive ?
5861                                                isKeyguardShowingAndNotOccluded() :
5862                                                mKeyguardDelegate.isShowing()));
5863
5864        if (DEBUG_INPUT) {
5865            Log.d(TAG, "interceptKeyTq keycode=" + keyCode
5866                    + " interactive=" + interactive + " keyguardActive=" + keyguardActive
5867                    + " policyFlags=" + Integer.toHexString(policyFlags));
5868        }
5869
5870        // Basic policy based on interactive state.
5871        int result;
5872        boolean isWakeKey = (policyFlags & WindowManagerPolicy.FLAG_WAKE) != 0
5873                || event.isWakeKey();
5874        if (interactive || (isInjected && !isWakeKey)) {
5875            // When the device is interactive or the key is injected pass the
5876            // key to the application.
5877            result = ACTION_PASS_TO_USER;
5878            isWakeKey = false;
5879
5880            if (interactive) {
5881                // If the screen is awake, but the button pressed was the one that woke the device
5882                // then don't pass it to the application
5883                if (keyCode == mPendingWakeKey && !down) {
5884                    result = 0;
5885                }
5886                // Reset the pending key
5887                mPendingWakeKey = PENDING_KEY_NULL;
5888            }
5889        } else if (!interactive && shouldDispatchInputWhenNonInteractive(event)) {
5890            // If we're currently dozing with the screen on and the keyguard showing, pass the key
5891            // to the application but preserve its wake key status to make sure we still move
5892            // from dozing to fully interactive if we would normally go from off to fully
5893            // interactive.
5894            result = ACTION_PASS_TO_USER;
5895            // Since we're dispatching the input, reset the pending key
5896            mPendingWakeKey = PENDING_KEY_NULL;
5897        } else {
5898            // When the screen is off and the key is not injected, determine whether
5899            // to wake the device but don't pass the key to the application.
5900            result = 0;
5901            if (isWakeKey && (!down || !isWakeKeyWhenScreenOff(keyCode))) {
5902                isWakeKey = false;
5903            }
5904            // Cache the wake key on down event so we can also avoid sending the up event to the app
5905            if (isWakeKey && down) {
5906                mPendingWakeKey = keyCode;
5907            }
5908        }
5909
5910        // If the key would be handled globally, just return the result, don't worry about special
5911        // key processing.
5912        if (isValidGlobalKey(keyCode)
5913                && mGlobalKeyManager.shouldHandleGlobalKey(keyCode, event)) {
5914            if (isWakeKey) {
5915                wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5916            }
5917            return result;
5918        }
5919
5920        boolean useHapticFeedback = down
5921                && (policyFlags & WindowManagerPolicy.FLAG_VIRTUAL) != 0
5922                && event.getRepeatCount() == 0;
5923
5924        // Handle special keys.
5925        switch (keyCode) {
5926            case KeyEvent.KEYCODE_BACK: {
5927                if (down) {
5928                    interceptBackKeyDown();
5929                } else {
5930                    boolean handled = interceptBackKeyUp(event);
5931
5932                    // Don't pass back press to app if we've already handled it via long press
5933                    if (handled) {
5934                        result &= ~ACTION_PASS_TO_USER;
5935                    }
5936                }
5937                break;
5938            }
5939
5940            case KeyEvent.KEYCODE_VOLUME_DOWN:
5941            case KeyEvent.KEYCODE_VOLUME_UP:
5942            case KeyEvent.KEYCODE_VOLUME_MUTE: {
5943                if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
5944                    if (down) {
5945                        if (interactive && !mScreenshotChordVolumeDownKeyTriggered
5946                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5947                            mScreenshotChordVolumeDownKeyTriggered = true;
5948                            mScreenshotChordVolumeDownKeyTime = event.getDownTime();
5949                            mScreenshotChordVolumeDownKeyConsumed = false;
5950                            cancelPendingPowerKeyAction();
5951                            interceptScreenshotChord();
5952                            interceptAccessibilityShortcutChord();
5953                        }
5954                    } else {
5955                        mScreenshotChordVolumeDownKeyTriggered = false;
5956                        cancelPendingScreenshotChordAction();
5957                        cancelPendingAccessibilityShortcutAction();
5958                    }
5959                } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
5960                    if (down) {
5961                        if (interactive && !mA11yShortcutChordVolumeUpKeyTriggered
5962                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5963                            mA11yShortcutChordVolumeUpKeyTriggered = true;
5964                            mA11yShortcutChordVolumeUpKeyTime = event.getDownTime();
5965                            mA11yShortcutChordVolumeUpKeyConsumed = false;
5966                            cancelPendingPowerKeyAction();
5967                            cancelPendingScreenshotChordAction();
5968                            interceptAccessibilityShortcutChord();
5969                        }
5970                    } else {
5971                        mA11yShortcutChordVolumeUpKeyTriggered = false;
5972                        cancelPendingScreenshotChordAction();
5973                        cancelPendingAccessibilityShortcutAction();
5974                    }
5975                }
5976                if (down) {
5977                    TelecomManager telecomManager = getTelecommService();
5978                    if (telecomManager != null) {
5979                        if (telecomManager.isRinging()) {
5980                            // If an incoming call is ringing, either VOLUME key means
5981                            // "silence ringer".  We handle these keys here, rather than
5982                            // in the InCallScreen, to make sure we'll respond to them
5983                            // even if the InCallScreen hasn't come to the foreground yet.
5984                            // Look for the DOWN event here, to agree with the "fallback"
5985                            // behavior in the InCallScreen.
5986                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5987                                  + " VOLUME key-down while ringing: Silence ringer!");
5988
5989                            // Silence the ringer.  (It's safe to call this
5990                            // even if the ringer has already been silenced.)
5991                            telecomManager.silenceRinger();
5992
5993                            // And *don't* pass this key thru to the current activity
5994                            // (which is probably the InCallScreen.)
5995                            result &= ~ACTION_PASS_TO_USER;
5996                            break;
5997                        }
5998                    }
5999                    int audioMode = AudioManager.MODE_NORMAL;
6000                    try {
6001                        audioMode = getAudioService().getMode();
6002                    } catch (Exception e) {
6003                        Log.e(TAG, "Error getting AudioService in interceptKeyBeforeQueueing.", e);
6004                    }
6005                    boolean isInCall = (telecomManager != null && telecomManager.isInCall()) ||
6006                            audioMode == AudioManager.MODE_IN_COMMUNICATION;
6007                    if (isInCall && (result & ACTION_PASS_TO_USER) == 0) {
6008                        // If we are in call but we decided not to pass the key to
6009                        // the application, just pass it to the session service.
6010                        MediaSessionLegacyHelper.getHelper(mContext).sendVolumeKeyEvent(
6011                                event, AudioManager.USE_DEFAULT_STREAM_TYPE, false);
6012                        break;
6013                    }
6014
6015                }
6016                if (mUseTvRouting || mHandleVolumeKeysInWM) {
6017                    // Defer special key handlings to
6018                    // {@link interceptKeyBeforeDispatching()}.
6019                    result |= ACTION_PASS_TO_USER;
6020                } else if ((result & ACTION_PASS_TO_USER) == 0) {
6021                    // If we aren't passing to the user and no one else
6022                    // handled it send it to the session manager to
6023                    // figure out.
6024                    MediaSessionLegacyHelper.getHelper(mContext).sendVolumeKeyEvent(
6025                            event, AudioManager.USE_DEFAULT_STREAM_TYPE, true);
6026                }
6027                break;
6028            }
6029
6030            case KeyEvent.KEYCODE_ENDCALL: {
6031                result &= ~ACTION_PASS_TO_USER;
6032                if (down) {
6033                    TelecomManager telecomManager = getTelecommService();
6034                    boolean hungUp = false;
6035                    if (telecomManager != null) {
6036                        hungUp = telecomManager.endCall();
6037                    }
6038                    if (interactive && !hungUp) {
6039                        mEndCallKeyHandled = false;
6040                        mHandler.postDelayed(mEndCallLongPress,
6041                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
6042                    } else {
6043                        mEndCallKeyHandled = true;
6044                    }
6045                } else {
6046                    if (!mEndCallKeyHandled) {
6047                        mHandler.removeCallbacks(mEndCallLongPress);
6048                        if (!canceled) {
6049                            if ((mEndcallBehavior
6050                                    & Settings.System.END_BUTTON_BEHAVIOR_HOME) != 0) {
6051                                if (goHome()) {
6052                                    break;
6053                                }
6054                            }
6055                            if ((mEndcallBehavior
6056                                    & Settings.System.END_BUTTON_BEHAVIOR_SLEEP) != 0) {
6057                                mPowerManager.goToSleep(event.getEventTime(),
6058                                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
6059                                isWakeKey = false;
6060                            }
6061                        }
6062                    }
6063                }
6064                break;
6065            }
6066
6067            case KeyEvent.KEYCODE_POWER: {
6068                // Any activity on the power button stops the accessibility shortcut
6069                cancelPendingAccessibilityShortcutAction();
6070                result &= ~ACTION_PASS_TO_USER;
6071                isWakeKey = false; // wake-up will be handled separately
6072                if (down) {
6073                    interceptPowerKeyDown(event, interactive);
6074                } else {
6075                    interceptPowerKeyUp(event, interactive, canceled);
6076                }
6077                break;
6078            }
6079
6080            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_DOWN:
6081                // fall through
6082            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_UP:
6083                // fall through
6084            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_LEFT:
6085                // fall through
6086            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_RIGHT: {
6087                result &= ~ACTION_PASS_TO_USER;
6088                interceptSystemNavigationKey(event);
6089                break;
6090            }
6091
6092            case KeyEvent.KEYCODE_SLEEP: {
6093                result &= ~ACTION_PASS_TO_USER;
6094                isWakeKey = false;
6095                if (!mPowerManager.isInteractive()) {
6096                    useHapticFeedback = false; // suppress feedback if already non-interactive
6097                }
6098                if (down) {
6099                    sleepPress(event.getEventTime());
6100                } else {
6101                    sleepRelease(event.getEventTime());
6102                }
6103                break;
6104            }
6105
6106            case KeyEvent.KEYCODE_SOFT_SLEEP: {
6107                result &= ~ACTION_PASS_TO_USER;
6108                isWakeKey = false;
6109                if (!down) {
6110                    mPowerManagerInternal.setUserInactiveOverrideFromWindowManager();
6111                }
6112                break;
6113            }
6114
6115            case KeyEvent.KEYCODE_WAKEUP: {
6116                result &= ~ACTION_PASS_TO_USER;
6117                isWakeKey = true;
6118                break;
6119            }
6120
6121            case KeyEvent.KEYCODE_MEDIA_PLAY:
6122            case KeyEvent.KEYCODE_MEDIA_PAUSE:
6123            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
6124            case KeyEvent.KEYCODE_HEADSETHOOK:
6125            case KeyEvent.KEYCODE_MUTE:
6126            case KeyEvent.KEYCODE_MEDIA_STOP:
6127            case KeyEvent.KEYCODE_MEDIA_NEXT:
6128            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
6129            case KeyEvent.KEYCODE_MEDIA_REWIND:
6130            case KeyEvent.KEYCODE_MEDIA_RECORD:
6131            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
6132            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: {
6133                if (MediaSessionLegacyHelper.getHelper(mContext).isGlobalPriorityActive()) {
6134                    // If the global session is active pass all media keys to it
6135                    // instead of the active window.
6136                    result &= ~ACTION_PASS_TO_USER;
6137                }
6138                if ((result & ACTION_PASS_TO_USER) == 0) {
6139                    // Only do this if we would otherwise not pass it to the user. In that
6140                    // case, the PhoneWindow class will do the same thing, except it will
6141                    // only do it if the showing app doesn't process the key on its own.
6142                    // Note that we need to make a copy of the key event here because the
6143                    // original key event will be recycled when we return.
6144                    mBroadcastWakeLock.acquire();
6145                    Message msg = mHandler.obtainMessage(MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK,
6146                            new KeyEvent(event));
6147                    msg.setAsynchronous(true);
6148                    msg.sendToTarget();
6149                }
6150                break;
6151            }
6152
6153            case KeyEvent.KEYCODE_CALL: {
6154                if (down) {
6155                    TelecomManager telecomManager = getTelecommService();
6156                    if (telecomManager != null) {
6157                        if (telecomManager.isRinging()) {
6158                            Log.i(TAG, "interceptKeyBeforeQueueing:"
6159                                  + " CALL key-down while ringing: Answer the call!");
6160                            telecomManager.acceptRingingCall();
6161
6162                            // And *don't* pass this key thru to the current activity
6163                            // (which is presumably the InCallScreen.)
6164                            result &= ~ACTION_PASS_TO_USER;
6165                        }
6166                    }
6167                }
6168                break;
6169            }
6170            case KeyEvent.KEYCODE_VOICE_ASSIST: {
6171                // Only do this if we would otherwise not pass it to the user. In that case,
6172                // interceptKeyBeforeDispatching would apply a similar but different policy in
6173                // order to invoke voice assist actions. Note that we need to make a copy of the
6174                // key event here because the original key event will be recycled when we return.
6175                if ((result & ACTION_PASS_TO_USER) == 0 && !down) {
6176                    mBroadcastWakeLock.acquire();
6177                    Message msg = mHandler.obtainMessage(MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK,
6178                            keyguardActive ? 1 : 0, 0);
6179                    msg.setAsynchronous(true);
6180                    msg.sendToTarget();
6181                }
6182                break;
6183            }
6184            case KeyEvent.KEYCODE_WINDOW: {
6185                if (mShortPressWindowBehavior == SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE) {
6186                    if (mPictureInPictureVisible) {
6187                        // Consumes the key only if picture-in-picture is visible to show
6188                        // picture-in-picture control menu. This gives a chance to the foreground
6189                        // activity to customize PIP key behavior.
6190                        if (!down) {
6191                            showPictureInPictureMenu(event);
6192                        }
6193                        result &= ~ACTION_PASS_TO_USER;
6194                    }
6195                }
6196                break;
6197            }
6198        }
6199
6200        if (useHapticFeedback) {
6201            performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
6202        }
6203
6204        if (isWakeKey) {
6205            wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
6206        }
6207
6208        return result;
6209    }
6210
6211    /**
6212     * Handle statusbar expansion events.
6213     * @param event
6214     */
6215    private void interceptSystemNavigationKey(KeyEvent event) {
6216        if (event.getAction() == KeyEvent.ACTION_UP) {
6217            if (!mAccessibilityManager.isEnabled()
6218                    || !mAccessibilityManager.sendFingerprintGesture(event.getKeyCode())) {
6219                if (areSystemNavigationKeysEnabled()) {
6220                    IStatusBarService sbar = getStatusBarService();
6221                    if (sbar != null) {
6222                        try {
6223                            sbar.handleSystemNavigationKey(event.getKeyCode());
6224                        } catch (RemoteException e1) {
6225                            // oops, no statusbar. Ignore event.
6226                        }
6227                    }
6228                }
6229            }
6230        }
6231    }
6232
6233    /**
6234     * Returns true if the key can have global actions attached to it.
6235     * We reserve all power management keys for the system since they require
6236     * very careful handling.
6237     */
6238    private static boolean isValidGlobalKey(int keyCode) {
6239        switch (keyCode) {
6240            case KeyEvent.KEYCODE_POWER:
6241            case KeyEvent.KEYCODE_WAKEUP:
6242            case KeyEvent.KEYCODE_SLEEP:
6243                return false;
6244            default:
6245                return true;
6246        }
6247    }
6248
6249    /**
6250     * When the screen is off we ignore some keys that might otherwise typically
6251     * be considered wake keys.  We filter them out here.
6252     *
6253     * {@link KeyEvent#KEYCODE_POWER} is notably absent from this list because it
6254     * is always considered a wake key.
6255     */
6256    private boolean isWakeKeyWhenScreenOff(int keyCode) {
6257        switch (keyCode) {
6258            // ignore volume keys unless docked
6259            case KeyEvent.KEYCODE_VOLUME_UP:
6260            case KeyEvent.KEYCODE_VOLUME_DOWN:
6261            case KeyEvent.KEYCODE_VOLUME_MUTE:
6262                return mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;
6263
6264            // ignore media and camera keys
6265            case KeyEvent.KEYCODE_MUTE:
6266            case KeyEvent.KEYCODE_HEADSETHOOK:
6267            case KeyEvent.KEYCODE_MEDIA_PLAY:
6268            case KeyEvent.KEYCODE_MEDIA_PAUSE:
6269            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
6270            case KeyEvent.KEYCODE_MEDIA_STOP:
6271            case KeyEvent.KEYCODE_MEDIA_NEXT:
6272            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
6273            case KeyEvent.KEYCODE_MEDIA_REWIND:
6274            case KeyEvent.KEYCODE_MEDIA_RECORD:
6275            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
6276            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK:
6277            case KeyEvent.KEYCODE_CAMERA:
6278                return false;
6279        }
6280        return true;
6281    }
6282
6283
6284    /** {@inheritDoc} */
6285    @Override
6286    public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) {
6287        if ((policyFlags & FLAG_WAKE) != 0) {
6288            if (wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotion,
6289                    "android.policy:MOTION")) {
6290                return 0;
6291            }
6292        }
6293
6294        if (shouldDispatchInputWhenNonInteractive(null)) {
6295            return ACTION_PASS_TO_USER;
6296        }
6297
6298        // If we have not passed the action up and we are in theater mode without dreaming,
6299        // there will be no dream to intercept the touch and wake into ambient.  The device should
6300        // wake up in this case.
6301        if (isTheaterModeEnabled() && (policyFlags & FLAG_WAKE) != 0) {
6302            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotionWhenNotDreaming,
6303                    "android.policy:MOTION");
6304        }
6305
6306        return 0;
6307    }
6308
6309    private boolean shouldDispatchInputWhenNonInteractive(KeyEvent event) {
6310        final boolean displayOff = (mDisplay == null || mDisplay.getState() == Display.STATE_OFF);
6311
6312        if (displayOff && !mHasFeatureWatch) {
6313            return false;
6314        }
6315
6316        // Send events to keyguard while the screen is on and it's showing.
6317        if (isKeyguardShowingAndNotOccluded() && !displayOff) {
6318            return true;
6319        }
6320
6321        // Watches handle BACK specially
6322        if (mHasFeatureWatch
6323                && event != null
6324                && (event.getKeyCode() == KeyEvent.KEYCODE_BACK
6325                        || event.getKeyCode() == KeyEvent.KEYCODE_STEM_PRIMARY)) {
6326            return false;
6327        }
6328
6329        // Send events to a dozing dream even if the screen is off since the dream
6330        // is in control of the state of the screen.
6331        IDreamManager dreamManager = getDreamManager();
6332
6333        try {
6334            if (dreamManager != null && dreamManager.isDreaming()) {
6335                return true;
6336            }
6337        } catch (RemoteException e) {
6338            Slog.e(TAG, "RemoteException when checking if dreaming", e);
6339        }
6340
6341        // Otherwise, consume events since the user can't see what is being
6342        // interacted with.
6343        return false;
6344    }
6345
6346    private void dispatchDirectAudioEvent(KeyEvent event) {
6347        if (event.getAction() != KeyEvent.ACTION_DOWN) {
6348            return;
6349        }
6350        int keyCode = event.getKeyCode();
6351        int flags = AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_PLAY_SOUND
6352                | AudioManager.FLAG_FROM_KEY;
6353        String pkgName = mContext.getOpPackageName();
6354        switch (keyCode) {
6355            case KeyEvent.KEYCODE_VOLUME_UP:
6356                try {
6357                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_RAISE,
6358                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6359                } catch (Exception e) {
6360                    Log.e(TAG, "Error dispatching volume up in dispatchTvAudioEvent.", e);
6361                }
6362                break;
6363            case KeyEvent.KEYCODE_VOLUME_DOWN:
6364                try {
6365                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_LOWER,
6366                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6367                } catch (Exception e) {
6368                    Log.e(TAG, "Error dispatching volume down in dispatchTvAudioEvent.", e);
6369                }
6370                break;
6371            case KeyEvent.KEYCODE_VOLUME_MUTE:
6372                try {
6373                    if (event.getRepeatCount() == 0) {
6374                        getAudioService().adjustSuggestedStreamVolume(
6375                                AudioManager.ADJUST_TOGGLE_MUTE,
6376                                AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6377                    }
6378                } catch (Exception e) {
6379                    Log.e(TAG, "Error dispatching mute in dispatchTvAudioEvent.", e);
6380                }
6381                break;
6382        }
6383    }
6384
6385    void dispatchMediaKeyWithWakeLock(KeyEvent event) {
6386        if (DEBUG_INPUT) {
6387            Slog.d(TAG, "dispatchMediaKeyWithWakeLock: " + event);
6388        }
6389
6390        if (mHavePendingMediaKeyRepeatWithWakeLock) {
6391            if (DEBUG_INPUT) {
6392                Slog.d(TAG, "dispatchMediaKeyWithWakeLock: canceled repeat");
6393            }
6394
6395            mHandler.removeMessages(MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK);
6396            mHavePendingMediaKeyRepeatWithWakeLock = false;
6397            mBroadcastWakeLock.release(); // pending repeat was holding onto the wake lock
6398        }
6399
6400        dispatchMediaKeyWithWakeLockToAudioService(event);
6401
6402        if (event.getAction() == KeyEvent.ACTION_DOWN
6403                && event.getRepeatCount() == 0) {
6404            mHavePendingMediaKeyRepeatWithWakeLock = true;
6405
6406            Message msg = mHandler.obtainMessage(
6407                    MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK, event);
6408            msg.setAsynchronous(true);
6409            mHandler.sendMessageDelayed(msg, ViewConfiguration.getKeyRepeatTimeout());
6410        } else {
6411            mBroadcastWakeLock.release();
6412        }
6413    }
6414
6415    void dispatchMediaKeyRepeatWithWakeLock(KeyEvent event) {
6416        mHavePendingMediaKeyRepeatWithWakeLock = false;
6417
6418        KeyEvent repeatEvent = KeyEvent.changeTimeRepeat(event,
6419                SystemClock.uptimeMillis(), 1, event.getFlags() | KeyEvent.FLAG_LONG_PRESS);
6420        if (DEBUG_INPUT) {
6421            Slog.d(TAG, "dispatchMediaKeyRepeatWithWakeLock: " + repeatEvent);
6422        }
6423
6424        dispatchMediaKeyWithWakeLockToAudioService(repeatEvent);
6425        mBroadcastWakeLock.release();
6426    }
6427
6428    void dispatchMediaKeyWithWakeLockToAudioService(KeyEvent event) {
6429        if (mActivityManagerInternal.isSystemReady()) {
6430            MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(event, true);
6431        }
6432    }
6433
6434    void launchVoiceAssistWithWakeLock(boolean keyguardActive) {
6435        IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
6436                ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
6437        if (dic != null) {
6438            try {
6439                dic.exitIdle("voice-search");
6440            } catch (RemoteException e) {
6441            }
6442        }
6443        Intent voiceIntent =
6444            new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
6445        voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, keyguardActive);
6446        startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
6447        mBroadcastWakeLock.release();
6448    }
6449
6450    BroadcastReceiver mDockReceiver = new BroadcastReceiver() {
6451        @Override
6452        public void onReceive(Context context, Intent intent) {
6453            if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
6454                mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
6455                        Intent.EXTRA_DOCK_STATE_UNDOCKED);
6456            } else {
6457                try {
6458                    IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
6459                            ServiceManager.getService(Context.UI_MODE_SERVICE));
6460                    mUiMode = uiModeService.getCurrentModeType();
6461                } catch (RemoteException e) {
6462                }
6463            }
6464            updateRotation(true);
6465            synchronized (mLock) {
6466                updateOrientationListenerLp();
6467            }
6468        }
6469    };
6470
6471    BroadcastReceiver mDreamReceiver = new BroadcastReceiver() {
6472        @Override
6473        public void onReceive(Context context, Intent intent) {
6474            if (Intent.ACTION_DREAMING_STARTED.equals(intent.getAction())) {
6475                if (mKeyguardDelegate != null) {
6476                    mKeyguardDelegate.onDreamingStarted();
6477                }
6478            } else if (Intent.ACTION_DREAMING_STOPPED.equals(intent.getAction())) {
6479                if (mKeyguardDelegate != null) {
6480                    mKeyguardDelegate.onDreamingStopped();
6481                }
6482            }
6483        }
6484    };
6485
6486    BroadcastReceiver mMultiuserReceiver = new BroadcastReceiver() {
6487        @Override
6488        public void onReceive(Context context, Intent intent) {
6489            if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) {
6490                // tickle the settings observer: this first ensures that we're
6491                // observing the relevant settings for the newly-active user,
6492                // and then updates our own bookkeeping based on the now-
6493                // current user.
6494                mSettingsObserver.onChange(false);
6495
6496                // force a re-application of focused window sysui visibility.
6497                // the window may never have been shown for this user
6498                // e.g. the keyguard when going through the new-user setup flow
6499                synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6500                    mLastSystemUiFlags = 0;
6501                    updateSystemUiVisibilityLw();
6502                }
6503            }
6504        }
6505    };
6506
6507    private final Runnable mHiddenNavPanic = new Runnable() {
6508        @Override
6509        public void run() {
6510            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6511                if (!isUserSetupComplete()) {
6512                    // Swipe-up for navigation bar is disabled during setup
6513                    return;
6514                }
6515                mPendingPanicGestureUptime = SystemClock.uptimeMillis();
6516                if (!isNavBarEmpty(mLastSystemUiFlags)) {
6517                    mNavigationBarController.showTransient();
6518                }
6519            }
6520        }
6521    };
6522
6523    private void requestTransientBars(WindowState swipeTarget) {
6524        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6525            if (!isUserSetupComplete()) {
6526                // Swipe-up for navigation bar is disabled during setup
6527                return;
6528            }
6529            boolean sb = mStatusBarController.checkShowTransientBarLw();
6530            boolean nb = mNavigationBarController.checkShowTransientBarLw()
6531                    && !isNavBarEmpty(mLastSystemUiFlags);
6532            if (sb || nb) {
6533                // Don't show status bar when swiping on already visible navigation bar
6534                if (!nb && swipeTarget == mNavigationBar) {
6535                    if (DEBUG) Slog.d(TAG, "Not showing transient bar, wrong swipe target");
6536                    return;
6537                }
6538                if (sb) mStatusBarController.showTransient();
6539                if (nb) mNavigationBarController.showTransient();
6540                mImmersiveModeConfirmation.confirmCurrentPrompt();
6541                updateSystemUiVisibilityLw();
6542            }
6543        }
6544    }
6545
6546    // Called on the PowerManager's Notifier thread.
6547    @Override
6548    public void startedGoingToSleep(int why) {
6549        if (DEBUG_WAKEUP) Slog.i(TAG, "Started going to sleep... (why=" + why + ")");
6550        mCameraGestureTriggeredDuringGoingToSleep = false;
6551        mGoingToSleep = true;
6552        if (mKeyguardDelegate != null) {
6553            mKeyguardDelegate.onStartedGoingToSleep(why);
6554        }
6555    }
6556
6557    // Called on the PowerManager's Notifier thread.
6558    @Override
6559    public void finishedGoingToSleep(int why) {
6560        EventLog.writeEvent(70000, 0);
6561        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished going to sleep... (why=" + why + ")");
6562        MetricsLogger.histogram(mContext, "screen_timeout", mLockScreenTimeout / 1000);
6563
6564        mGoingToSleep = false;
6565
6566        // We must get this work done here because the power manager will drop
6567        // the wake lock and let the system suspend once this function returns.
6568        synchronized (mLock) {
6569            mAwake = false;
6570            updateWakeGestureListenerLp();
6571            updateOrientationListenerLp();
6572            updateLockScreenTimeout();
6573        }
6574        if (mKeyguardDelegate != null) {
6575            mKeyguardDelegate.onFinishedGoingToSleep(why,
6576                    mCameraGestureTriggeredDuringGoingToSleep);
6577        }
6578        mCameraGestureTriggeredDuringGoingToSleep = false;
6579    }
6580
6581    // Called on the PowerManager's Notifier thread.
6582    @Override
6583    public void startedWakingUp() {
6584        EventLog.writeEvent(70000, 1);
6585        if (DEBUG_WAKEUP) Slog.i(TAG, "Started waking up...");
6586
6587        // Since goToSleep performs these functions synchronously, we must
6588        // do the same here.  We cannot post this work to a handler because
6589        // that might cause it to become reordered with respect to what
6590        // may happen in a future call to goToSleep.
6591        synchronized (mLock) {
6592            mAwake = true;
6593
6594            updateWakeGestureListenerLp();
6595            updateOrientationListenerLp();
6596            updateLockScreenTimeout();
6597        }
6598
6599        if (mKeyguardDelegate != null) {
6600            mKeyguardDelegate.onStartedWakingUp();
6601        }
6602    }
6603
6604    // Called on the PowerManager's Notifier thread.
6605    @Override
6606    public void finishedWakingUp() {
6607        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished waking up...");
6608    }
6609
6610    private void wakeUpFromPowerKey(long eventTime) {
6611        wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey, "android.policy:POWER");
6612    }
6613
6614    private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode, String reason) {
6615        final boolean theaterModeEnabled = isTheaterModeEnabled();
6616        if (!wakeInTheaterMode && theaterModeEnabled) {
6617            return false;
6618        }
6619
6620        if (theaterModeEnabled) {
6621            Settings.Global.putInt(mContext.getContentResolver(),
6622                    Settings.Global.THEATER_MODE_ON, 0);
6623        }
6624
6625        mPowerManager.wakeUp(wakeTime, reason);
6626        return true;
6627    }
6628
6629    private void finishKeyguardDrawn() {
6630        synchronized (mLock) {
6631            if (!mScreenOnEarly || mKeyguardDrawComplete) {
6632                return; // We are not awake yet or we have already informed of this event.
6633            }
6634
6635            mKeyguardDrawComplete = true;
6636            if (mKeyguardDelegate != null) {
6637                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
6638            }
6639            mWindowManagerDrawComplete = false;
6640        }
6641
6642        // ... eventually calls finishWindowsDrawn which will finalize our screen turn on
6643        // as well as enabling the orientation change logic/sensor.
6644        mWindowManagerInternal.waitForAllWindowsDrawn(mWindowManagerDrawCallback,
6645                WAITING_FOR_DRAWN_TIMEOUT);
6646    }
6647
6648    // Called on the DisplayManager's DisplayPowerController thread.
6649    @Override
6650    public void screenTurnedOff() {
6651        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turned off...");
6652
6653        updateScreenOffSleepToken(true);
6654        synchronized (mLock) {
6655            mScreenOnEarly = false;
6656            mScreenOnFully = false;
6657            mKeyguardDrawComplete = false;
6658            mWindowManagerDrawComplete = false;
6659            mScreenOnListener = null;
6660            updateOrientationListenerLp();
6661
6662            if (mKeyguardDelegate != null) {
6663                mKeyguardDelegate.onScreenTurnedOff();
6664            }
6665        }
6666        reportScreenStateToVrManager(false);
6667    }
6668
6669    private long getKeyguardDrawnTimeout() {
6670        final boolean bootCompleted =
6671                LocalServices.getService(SystemServiceManager.class).isBootCompleted();
6672        // Set longer timeout if it has not booted yet to prevent showing empty window.
6673        return bootCompleted ? 1000 : 5000;
6674    }
6675
6676    // Called on the DisplayManager's DisplayPowerController thread.
6677    @Override
6678    public void screenTurningOn(final ScreenOnListener screenOnListener) {
6679        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turning on...");
6680
6681        updateScreenOffSleepToken(false);
6682        synchronized (mLock) {
6683            mScreenOnEarly = true;
6684            mScreenOnFully = false;
6685            mKeyguardDrawComplete = false;
6686            mWindowManagerDrawComplete = false;
6687            mScreenOnListener = screenOnListener;
6688
6689            if (mKeyguardDelegate != null) {
6690                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
6691                mHandler.sendEmptyMessageDelayed(MSG_KEYGUARD_DRAWN_TIMEOUT,
6692                        getKeyguardDrawnTimeout());
6693                mKeyguardDelegate.onScreenTurningOn(mKeyguardDrawnCallback);
6694            } else {
6695                if (DEBUG_WAKEUP) Slog.d(TAG,
6696                        "null mKeyguardDelegate: setting mKeyguardDrawComplete.");
6697                finishKeyguardDrawn();
6698            }
6699        }
6700    }
6701
6702    // Called on the DisplayManager's DisplayPowerController thread.
6703    @Override
6704    public void screenTurnedOn() {
6705        synchronized (mLock) {
6706            if (mKeyguardDelegate != null) {
6707                mKeyguardDelegate.onScreenTurnedOn();
6708            }
6709        }
6710        reportScreenStateToVrManager(true);
6711    }
6712
6713    @Override
6714    public void screenTurningOff(ScreenOffListener screenOffListener) {
6715        mWindowManagerFuncs.screenTurningOff(screenOffListener);
6716    }
6717
6718    private void reportScreenStateToVrManager(boolean isScreenOn) {
6719        if (mVrManagerInternal == null) {
6720            return;
6721        }
6722        mVrManagerInternal.onScreenStateChanged(isScreenOn);
6723    }
6724
6725    private void finishWindowsDrawn() {
6726        synchronized (mLock) {
6727            if (!mScreenOnEarly || mWindowManagerDrawComplete) {
6728                return; // Screen is not turned on or we did already handle this case earlier.
6729            }
6730
6731            mWindowManagerDrawComplete = true;
6732        }
6733
6734        finishScreenTurningOn();
6735    }
6736
6737    private void finishScreenTurningOn() {
6738        synchronized (mLock) {
6739            // We have just finished drawing screen content. Since the orientation listener
6740            // gets only installed when all windows are drawn, we try to install it again.
6741            updateOrientationListenerLp();
6742        }
6743        final ScreenOnListener listener;
6744        final boolean enableScreen;
6745        synchronized (mLock) {
6746            if (DEBUG_WAKEUP) Slog.d(TAG,
6747                    "finishScreenTurningOn: mAwake=" + mAwake
6748                            + ", mScreenOnEarly=" + mScreenOnEarly
6749                            + ", mScreenOnFully=" + mScreenOnFully
6750                            + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
6751                            + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
6752
6753            if (mScreenOnFully || !mScreenOnEarly || !mWindowManagerDrawComplete
6754                    || (mAwake && !mKeyguardDrawComplete)) {
6755                return; // spurious or not ready yet
6756            }
6757
6758            if (DEBUG_WAKEUP) Slog.i(TAG, "Finished screen turning on...");
6759            listener = mScreenOnListener;
6760            mScreenOnListener = null;
6761            mScreenOnFully = true;
6762
6763            // Remember the first time we draw the keyguard so we know when we're done with
6764            // the main part of booting and can enable the screen and hide boot messages.
6765            if (!mKeyguardDrawnOnce && mAwake) {
6766                mKeyguardDrawnOnce = true;
6767                enableScreen = true;
6768                if (mBootMessageNeedsHiding) {
6769                    mBootMessageNeedsHiding = false;
6770                    hideBootMessages();
6771                }
6772            } else {
6773                enableScreen = false;
6774            }
6775        }
6776
6777        if (listener != null) {
6778            listener.onScreenOn();
6779        }
6780
6781        if (enableScreen) {
6782            try {
6783                mWindowManager.enableScreenIfNeeded();
6784            } catch (RemoteException unhandled) {
6785            }
6786        }
6787    }
6788
6789    private void handleHideBootMessage() {
6790        synchronized (mLock) {
6791            if (!mKeyguardDrawnOnce) {
6792                mBootMessageNeedsHiding = true;
6793                return; // keyguard hasn't drawn the first time yet, not done booting
6794            }
6795        }
6796
6797        if (mBootMsgDialog != null) {
6798            if (DEBUG_WAKEUP) Slog.d(TAG, "handleHideBootMessage: dismissing");
6799            mBootMsgDialog.dismiss();
6800            mBootMsgDialog = null;
6801        }
6802    }
6803
6804    @Override
6805    public boolean isScreenOn() {
6806        return mScreenOnFully;
6807    }
6808
6809    /** {@inheritDoc} */
6810    @Override
6811    public void enableKeyguard(boolean enabled) {
6812        if (mKeyguardDelegate != null) {
6813            mKeyguardDelegate.setKeyguardEnabled(enabled);
6814        }
6815    }
6816
6817    /** {@inheritDoc} */
6818    @Override
6819    public void exitKeyguardSecurely(OnKeyguardExitResult callback) {
6820        if (mKeyguardDelegate != null) {
6821            mKeyguardDelegate.verifyUnlock(callback);
6822        }
6823    }
6824
6825    @Override
6826    public boolean isKeyguardShowingAndNotOccluded() {
6827        if (mKeyguardDelegate == null) return false;
6828        return mKeyguardDelegate.isShowing() && !mKeyguardOccluded;
6829    }
6830
6831    @Override
6832    public boolean isKeyguardTrustedLw() {
6833        if (mKeyguardDelegate == null) return false;
6834        return mKeyguardDelegate.isTrusted();
6835    }
6836
6837    /** {@inheritDoc} */
6838    @Override
6839    public boolean isKeyguardLocked() {
6840        return keyguardOn();
6841    }
6842
6843    /** {@inheritDoc} */
6844    @Override
6845    public boolean isKeyguardSecure(int userId) {
6846        if (mKeyguardDelegate == null) return false;
6847        return mKeyguardDelegate.isSecure(userId);
6848    }
6849
6850    /** {@inheritDoc} */
6851    @Override
6852    public boolean isKeyguardOccluded() {
6853        if (mKeyguardDelegate == null) return false;
6854        return mKeyguardOccluded;
6855    }
6856
6857    /** {@inheritDoc} */
6858    @Override
6859    public boolean inKeyguardRestrictedKeyInputMode() {
6860        if (mKeyguardDelegate == null) return false;
6861        return mKeyguardDelegate.isInputRestricted();
6862    }
6863
6864    @Override
6865    public void dismissKeyguardLw(IKeyguardDismissCallback callback) {
6866        if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
6867            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.dismissKeyguardLw");
6868
6869            // ask the keyguard to prompt the user to authenticate if necessary
6870            mKeyguardDelegate.dismiss(callback);
6871        } else if (callback != null) {
6872            try {
6873                callback.onDismissError();
6874            } catch (RemoteException e) {
6875                Slog.w(TAG, "Failed to call callback", e);
6876            }
6877        }
6878    }
6879
6880    @Override
6881    public boolean isKeyguardDrawnLw() {
6882        synchronized (mLock) {
6883            return mKeyguardDrawnOnce;
6884        }
6885    }
6886
6887    @Override
6888    public boolean isShowingDreamLw() {
6889        return mShowingDream;
6890    }
6891
6892    @Override
6893    public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
6894        if (mKeyguardDelegate != null) {
6895            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.startKeyguardExitAnimation");
6896            mKeyguardDelegate.startKeyguardExitAnimation(startTime, fadeoutDuration);
6897        }
6898    }
6899
6900    @Override
6901    public void getStableInsetsLw(int displayRotation, int displayWidth, int displayHeight,
6902            Rect outInsets) {
6903        outInsets.setEmpty();
6904
6905        // Navigation bar and status bar.
6906        getNonDecorInsetsLw(displayRotation, displayWidth, displayHeight, outInsets);
6907        outInsets.top = mStatusBarHeight;
6908    }
6909
6910    @Override
6911    public void getNonDecorInsetsLw(int displayRotation, int displayWidth, int displayHeight,
6912            Rect outInsets) {
6913        outInsets.setEmpty();
6914
6915        // Only navigation bar
6916        if (mHasNavigationBar) {
6917            int position = navigationBarPosition(displayWidth, displayHeight, displayRotation);
6918            if (position == NAV_BAR_BOTTOM) {
6919                outInsets.bottom = getNavigationBarHeight(displayRotation, mUiMode);
6920            } else if (position == NAV_BAR_RIGHT) {
6921                outInsets.right = getNavigationBarWidth(displayRotation, mUiMode);
6922            } else if (position == NAV_BAR_LEFT) {
6923                outInsets.left = getNavigationBarWidth(displayRotation, mUiMode);
6924            }
6925        }
6926    }
6927
6928    @Override
6929    public boolean isNavBarForcedShownLw(WindowState windowState) {
6930        return mForceShowSystemBars;
6931    }
6932
6933    @Override
6934    public boolean isDockSideAllowed(int dockSide) {
6935
6936        // We do not allow all dock sides at which the navigation bar touches the docked stack.
6937        if (!mNavigationBarCanMove) {
6938            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT || dockSide == DOCKED_RIGHT;
6939        } else {
6940            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT;
6941        }
6942    }
6943
6944    void sendCloseSystemWindows() {
6945        PhoneWindow.sendCloseSystemWindows(mContext, null);
6946    }
6947
6948    void sendCloseSystemWindows(String reason) {
6949        PhoneWindow.sendCloseSystemWindows(mContext, reason);
6950    }
6951
6952    @Override
6953    public int rotationForOrientationLw(int orientation, int lastRotation) {
6954        if (false) {
6955            Slog.v(TAG, "rotationForOrientationLw(orient="
6956                        + orientation + ", last=" + lastRotation
6957                        + "); user=" + mUserRotation + " "
6958                        + ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED)
6959                            ? "USER_ROTATION_LOCKED" : "")
6960                        );
6961        }
6962
6963        if (mForceDefaultOrientation) {
6964            return Surface.ROTATION_0;
6965        }
6966
6967        synchronized (mLock) {
6968            int sensorRotation = mOrientationListener.getProposedRotation(); // may be -1
6969            if (sensorRotation < 0) {
6970                sensorRotation = lastRotation;
6971            }
6972
6973            final int preferredRotation;
6974            if (mLidState == LID_OPEN && mLidOpenRotation >= 0) {
6975                // Ignore sensor when lid switch is open and rotation is forced.
6976                preferredRotation = mLidOpenRotation;
6977            } else if (mDockMode == Intent.EXTRA_DOCK_STATE_CAR
6978                    && (mCarDockEnablesAccelerometer || mCarDockRotation >= 0)) {
6979                // Ignore sensor when in car dock unless explicitly enabled.
6980                // This case can override the behavior of NOSENSOR, and can also
6981                // enable 180 degree rotation while docked.
6982                preferredRotation = mCarDockEnablesAccelerometer
6983                        ? sensorRotation : mCarDockRotation;
6984            } else if ((mDockMode == Intent.EXTRA_DOCK_STATE_DESK
6985                    || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
6986                    || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK)
6987                    && (mDeskDockEnablesAccelerometer || mDeskDockRotation >= 0)) {
6988                // Ignore sensor when in desk dock unless explicitly enabled.
6989                // This case can override the behavior of NOSENSOR, and can also
6990                // enable 180 degree rotation while docked.
6991                preferredRotation = mDeskDockEnablesAccelerometer
6992                        ? sensorRotation : mDeskDockRotation;
6993            } else if (mHdmiPlugged && mDemoHdmiRotationLock) {
6994                // Ignore sensor when plugged into HDMI when demo HDMI rotation lock enabled.
6995                // Note that the dock orientation overrides the HDMI orientation.
6996                preferredRotation = mDemoHdmiRotation;
6997            } else if (mHdmiPlugged && mDockMode == Intent.EXTRA_DOCK_STATE_UNDOCKED
6998                    && mUndockedHdmiRotation >= 0) {
6999                // Ignore sensor when plugged into HDMI and an undocked orientation has
7000                // been specified in the configuration (only for legacy devices without
7001                // full multi-display support).
7002                // Note that the dock orientation overrides the HDMI orientation.
7003                preferredRotation = mUndockedHdmiRotation;
7004            } else if (mDemoRotationLock) {
7005                // Ignore sensor when demo rotation lock is enabled.
7006                // Note that the dock orientation and HDMI rotation lock override this.
7007                preferredRotation = mDemoRotation;
7008            } else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {
7009                // Application just wants to remain locked in the last rotation.
7010                preferredRotation = lastRotation;
7011            } else if (!mSupportAutoRotation) {
7012                // If we don't support auto-rotation then bail out here and ignore
7013                // the sensor and any rotation lock settings.
7014                preferredRotation = -1;
7015            } else if ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE
7016                            && (orientation == ActivityInfo.SCREEN_ORIENTATION_USER
7017                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
7018                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
7019                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT
7020                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER))
7021                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
7022                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
7023                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE
7024                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) {
7025                // Otherwise, use sensor only if requested by the application or enabled
7026                // by default for USER or UNSPECIFIED modes.  Does not apply to NOSENSOR.
7027                if (mAllowAllRotations < 0) {
7028                    // Can't read this during init() because the context doesn't
7029                    // have display metrics at that time so we cannot determine
7030                    // tablet vs. phone then.
7031                    mAllowAllRotations = mContext.getResources().getBoolean(
7032                            com.android.internal.R.bool.config_allowAllRotations) ? 1 : 0;
7033                }
7034                if (sensorRotation != Surface.ROTATION_180
7035                        || mAllowAllRotations == 1
7036                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
7037                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER) {
7038                    // In VrMode, we report the sensor as always being in default orientation so:
7039                    // 1) The orientation doesn't change as the user moves their head.
7040                    // 2) 2D apps within VR show in the device's default orientation.
7041                    // This only overwrites the sensor-provided orientation and does not affect any
7042                    // explicit orientation preferences specified by any activities.
7043                    preferredRotation =
7044                            mPersistentVrModeEnabled ? Surface.ROTATION_0 : sensorRotation;
7045                } else {
7046                    preferredRotation = lastRotation;
7047                }
7048            } else if (mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED
7049                    && orientation != ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
7050                // Apply rotation lock.  Does not apply to NOSENSOR.
7051                // The idea is that the user rotation expresses a weak preference for the direction
7052                // of gravity and as NOSENSOR is never affected by gravity, then neither should
7053                // NOSENSOR be affected by rotation lock (although it will be affected by docks).
7054                preferredRotation = mUserRotation;
7055            } else {
7056                // No overriding preference.
7057                // We will do exactly what the application asked us to do.
7058                preferredRotation = -1;
7059            }
7060
7061            switch (orientation) {
7062                case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
7063                    // Return portrait unless overridden.
7064                    if (isAnyPortrait(preferredRotation)) {
7065                        return preferredRotation;
7066                    }
7067                    return mPortraitRotation;
7068
7069                case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
7070                    // Return landscape unless overridden.
7071                    if (isLandscapeOrSeascape(preferredRotation)) {
7072                        return preferredRotation;
7073                    }
7074                    return mLandscapeRotation;
7075
7076                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
7077                    // Return reverse portrait unless overridden.
7078                    if (isAnyPortrait(preferredRotation)) {
7079                        return preferredRotation;
7080                    }
7081                    return mUpsideDownRotation;
7082
7083                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
7084                    // Return seascape unless overridden.
7085                    if (isLandscapeOrSeascape(preferredRotation)) {
7086                        return preferredRotation;
7087                    }
7088                    return mSeascapeRotation;
7089
7090                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
7091                case ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE:
7092                    // Return either landscape rotation.
7093                    if (isLandscapeOrSeascape(preferredRotation)) {
7094                        return preferredRotation;
7095                    }
7096                    if (isLandscapeOrSeascape(lastRotation)) {
7097                        return lastRotation;
7098                    }
7099                    return mLandscapeRotation;
7100
7101                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
7102                case ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT:
7103                    // Return either portrait rotation.
7104                    if (isAnyPortrait(preferredRotation)) {
7105                        return preferredRotation;
7106                    }
7107                    if (isAnyPortrait(lastRotation)) {
7108                        return lastRotation;
7109                    }
7110                    return mPortraitRotation;
7111
7112                default:
7113                    // For USER, UNSPECIFIED, NOSENSOR, SENSOR and FULL_SENSOR,
7114                    // just return the preferred orientation we already calculated.
7115                    if (preferredRotation >= 0) {
7116                        return preferredRotation;
7117                    }
7118                    return Surface.ROTATION_0;
7119            }
7120        }
7121    }
7122
7123    @Override
7124    public boolean rotationHasCompatibleMetricsLw(int orientation, int rotation) {
7125        switch (orientation) {
7126            case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
7127            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
7128            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
7129                return isAnyPortrait(rotation);
7130
7131            case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
7132            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
7133            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
7134                return isLandscapeOrSeascape(rotation);
7135
7136            default:
7137                return true;
7138        }
7139    }
7140
7141    @Override
7142    public void setRotationLw(int rotation) {
7143        mOrientationListener.setCurrentRotation(rotation);
7144    }
7145
7146    private boolean isLandscapeOrSeascape(int rotation) {
7147        return rotation == mLandscapeRotation || rotation == mSeascapeRotation;
7148    }
7149
7150    private boolean isAnyPortrait(int rotation) {
7151        return rotation == mPortraitRotation || rotation == mUpsideDownRotation;
7152    }
7153
7154    @Override
7155    public int getUserRotationMode() {
7156        return Settings.System.getIntForUser(mContext.getContentResolver(),
7157                Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
7158                        WindowManagerPolicy.USER_ROTATION_FREE :
7159                                WindowManagerPolicy.USER_ROTATION_LOCKED;
7160    }
7161
7162    // User rotation: to be used when all else fails in assigning an orientation to the device
7163    @Override
7164    public void setUserRotationMode(int mode, int rot) {
7165        ContentResolver res = mContext.getContentResolver();
7166
7167        // mUserRotationMode and mUserRotation will be assigned by the content observer
7168        if (mode == WindowManagerPolicy.USER_ROTATION_LOCKED) {
7169            Settings.System.putIntForUser(res,
7170                    Settings.System.USER_ROTATION,
7171                    rot,
7172                    UserHandle.USER_CURRENT);
7173            Settings.System.putIntForUser(res,
7174                    Settings.System.ACCELEROMETER_ROTATION,
7175                    0,
7176                    UserHandle.USER_CURRENT);
7177        } else {
7178            Settings.System.putIntForUser(res,
7179                    Settings.System.ACCELEROMETER_ROTATION,
7180                    1,
7181                    UserHandle.USER_CURRENT);
7182        }
7183    }
7184
7185    @Override
7186    public void setSafeMode(boolean safeMode) {
7187        mSafeMode = safeMode;
7188        performHapticFeedbackLw(null, safeMode
7189                ? HapticFeedbackConstants.SAFE_MODE_ENABLED
7190                : HapticFeedbackConstants.SAFE_MODE_DISABLED, true);
7191    }
7192
7193    static long[] getLongIntArray(Resources r, int resid) {
7194        int[] ar = r.getIntArray(resid);
7195        if (ar == null) {
7196            return null;
7197        }
7198        long[] out = new long[ar.length];
7199        for (int i=0; i<ar.length; i++) {
7200            out[i] = ar[i];
7201        }
7202        return out;
7203    }
7204
7205    private void bindKeyguard() {
7206        synchronized (mLock) {
7207            if (mKeyguardBound) {
7208                return;
7209            }
7210            mKeyguardBound = true;
7211        }
7212        mKeyguardDelegate.bindService(mContext);
7213    }
7214
7215    @Override
7216    public void onSystemUiStarted() {
7217        bindKeyguard();
7218    }
7219
7220    /** {@inheritDoc} */
7221    @Override
7222    public void systemReady() {
7223        // In normal flow, systemReady is called before other system services are ready.
7224        // So it is better not to bind keyguard here.
7225        mKeyguardDelegate.onSystemReady();
7226
7227        mVrManagerInternal = LocalServices.getService(VrManagerInternal.class);
7228        if (mVrManagerInternal != null) {
7229            mVrManagerInternal.addPersistentVrModeStateListener(mPersistentVrModeListener);
7230        }
7231
7232        readCameraLensCoverState();
7233        updateUiMode();
7234        synchronized (mLock) {
7235            updateOrientationListenerLp();
7236            mSystemReady = true;
7237            mHandler.post(new Runnable() {
7238                @Override
7239                public void run() {
7240                    updateSettings();
7241                }
7242            });
7243            // If this happens, for whatever reason, systemReady came later than systemBooted.
7244            // And keyguard should be already bound from systemBooted
7245            if (mSystemBooted) {
7246                mKeyguardDelegate.onBootCompleted();
7247            }
7248        }
7249
7250        mSystemGestures.systemReady();
7251        mImmersiveModeConfirmation.systemReady();
7252
7253        mAutofillManagerInternal = LocalServices.getService(AutofillManagerInternal.class);
7254    }
7255
7256    /** {@inheritDoc} */
7257    @Override
7258    public void systemBooted() {
7259        bindKeyguard();
7260        synchronized (mLock) {
7261            mSystemBooted = true;
7262            if (mSystemReady) {
7263                mKeyguardDelegate.onBootCompleted();
7264            }
7265        }
7266        startedWakingUp();
7267        screenTurningOn(null);
7268        screenTurnedOn();
7269    }
7270
7271    @Override
7272    public boolean canDismissBootAnimation() {
7273        synchronized (mLock) {
7274            return mKeyguardDrawComplete;
7275        }
7276    }
7277
7278    ProgressDialog mBootMsgDialog = null;
7279
7280    /** {@inheritDoc} */
7281    @Override
7282    public void showBootMessage(final CharSequence msg, final boolean always) {
7283        mHandler.post(new Runnable() {
7284            @Override public void run() {
7285                if (mBootMsgDialog == null) {
7286                    int theme;
7287                    if (mContext.getPackageManager().hasSystemFeature(FEATURE_LEANBACK)) {
7288                        theme = com.android.internal.R.style.Theme_Leanback_Dialog_Alert;
7289                    } else {
7290                        theme = 0;
7291                    }
7292
7293                    mBootMsgDialog = new ProgressDialog(mContext, theme) {
7294                        // This dialog will consume all events coming in to
7295                        // it, to avoid it trying to do things too early in boot.
7296                        @Override public boolean dispatchKeyEvent(KeyEvent event) {
7297                            return true;
7298                        }
7299                        @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
7300                            return true;
7301                        }
7302                        @Override public boolean dispatchTouchEvent(MotionEvent ev) {
7303                            return true;
7304                        }
7305                        @Override public boolean dispatchTrackballEvent(MotionEvent ev) {
7306                            return true;
7307                        }
7308                        @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) {
7309                            return true;
7310                        }
7311                        @Override public boolean dispatchPopulateAccessibilityEvent(
7312                                AccessibilityEvent event) {
7313                            return true;
7314                        }
7315                    };
7316                    if (mContext.getPackageManager().isUpgrade()) {
7317                        mBootMsgDialog.setTitle(R.string.android_upgrading_title);
7318                    } else {
7319                        mBootMsgDialog.setTitle(R.string.android_start_title);
7320                    }
7321                    mBootMsgDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
7322                    mBootMsgDialog.setIndeterminate(true);
7323                    mBootMsgDialog.getWindow().setType(
7324                            WindowManager.LayoutParams.TYPE_BOOT_PROGRESS);
7325                    mBootMsgDialog.getWindow().addFlags(
7326                            WindowManager.LayoutParams.FLAG_DIM_BEHIND
7327                            | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
7328                    mBootMsgDialog.getWindow().setDimAmount(1);
7329                    WindowManager.LayoutParams lp = mBootMsgDialog.getWindow().getAttributes();
7330                    lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
7331                    mBootMsgDialog.getWindow().setAttributes(lp);
7332                    mBootMsgDialog.setCancelable(false);
7333                    mBootMsgDialog.show();
7334                }
7335                mBootMsgDialog.setMessage(msg);
7336            }
7337        });
7338    }
7339
7340    /** {@inheritDoc} */
7341    @Override
7342    public void hideBootMessages() {
7343        mHandler.sendEmptyMessage(MSG_HIDE_BOOT_MESSAGE);
7344    }
7345
7346    /** {@inheritDoc} */
7347    @Override
7348    public void userActivity() {
7349        // ***************************************
7350        // NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
7351        // ***************************************
7352        // THIS IS CALLED FROM DEEP IN THE POWER MANAGER
7353        // WITH ITS LOCKS HELD.
7354        //
7355        // This code must be VERY careful about the locks
7356        // it acquires.
7357        // In fact, the current code acquires way too many,
7358        // and probably has lurking deadlocks.
7359
7360        synchronized (mScreenLockTimeout) {
7361            if (mLockScreenTimerActive) {
7362                // reset the timer
7363                mHandler.removeCallbacks(mScreenLockTimeout);
7364                mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
7365            }
7366        }
7367    }
7368
7369    class ScreenLockTimeout implements Runnable {
7370        Bundle options;
7371
7372        @Override
7373        public void run() {
7374            synchronized (this) {
7375                if (localLOGV) Log.v(TAG, "mScreenLockTimeout activating keyguard");
7376                if (mKeyguardDelegate != null) {
7377                    mKeyguardDelegate.doKeyguardTimeout(options);
7378                }
7379                mLockScreenTimerActive = false;
7380                options = null;
7381            }
7382        }
7383
7384        public void setLockOptions(Bundle options) {
7385            this.options = options;
7386        }
7387    }
7388
7389    ScreenLockTimeout mScreenLockTimeout = new ScreenLockTimeout();
7390
7391    @Override
7392    public void lockNow(Bundle options) {
7393        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);
7394        mHandler.removeCallbacks(mScreenLockTimeout);
7395        if (options != null) {
7396            // In case multiple calls are made to lockNow, we don't wipe out the options
7397            // until the runnable actually executes.
7398            mScreenLockTimeout.setLockOptions(options);
7399        }
7400        mHandler.post(mScreenLockTimeout);
7401    }
7402
7403    private void updateLockScreenTimeout() {
7404        synchronized (mScreenLockTimeout) {
7405            boolean enable = (mAllowLockscreenWhenOn && mAwake &&
7406                    mKeyguardDelegate != null && mKeyguardDelegate.isSecure(mCurrentUserId));
7407            if (mLockScreenTimerActive != enable) {
7408                if (enable) {
7409                    if (localLOGV) Log.v(TAG, "setting lockscreen timer");
7410                    mHandler.removeCallbacks(mScreenLockTimeout); // remove any pending requests
7411                    mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
7412                } else {
7413                    if (localLOGV) Log.v(TAG, "clearing lockscreen timer");
7414                    mHandler.removeCallbacks(mScreenLockTimeout);
7415                }
7416                mLockScreenTimerActive = enable;
7417            }
7418        }
7419    }
7420
7421    private void updateDreamingSleepToken(boolean acquire) {
7422        if (acquire) {
7423            if (mDreamingSleepToken == null) {
7424                mDreamingSleepToken = mActivityManagerInternal.acquireSleepToken("Dream");
7425            }
7426        } else {
7427            if (mDreamingSleepToken != null) {
7428                mDreamingSleepToken.release();
7429                mDreamingSleepToken = null;
7430            }
7431        }
7432    }
7433
7434    private void updateScreenOffSleepToken(boolean acquire) {
7435        if (acquire) {
7436            if (mScreenOffSleepToken == null) {
7437                mScreenOffSleepToken = mActivityManagerInternal.acquireSleepToken("ScreenOff");
7438            }
7439        } else {
7440            if (mScreenOffSleepToken != null) {
7441                mScreenOffSleepToken.release();
7442                mScreenOffSleepToken = null;
7443            }
7444        }
7445    }
7446
7447    /** {@inheritDoc} */
7448    @Override
7449    public void enableScreenAfterBoot() {
7450        readLidState();
7451        applyLidSwitchState();
7452        updateRotation(true);
7453    }
7454
7455    private void applyLidSwitchState() {
7456        if (mLidState == LID_CLOSED && mLidControlsSleep) {
7457            mPowerManager.goToSleep(SystemClock.uptimeMillis(),
7458                    PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH,
7459                    PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
7460        } else if (mLidState == LID_CLOSED && mLidControlsScreenLock) {
7461            mWindowManagerFuncs.lockDeviceNow();
7462        }
7463
7464        synchronized (mLock) {
7465            updateWakeGestureListenerLp();
7466        }
7467    }
7468
7469    void updateUiMode() {
7470        if (mUiModeManager == null) {
7471            mUiModeManager = IUiModeManager.Stub.asInterface(
7472                    ServiceManager.getService(Context.UI_MODE_SERVICE));
7473        }
7474        try {
7475            mUiMode = mUiModeManager.getCurrentModeType();
7476        } catch (RemoteException e) {
7477        }
7478    }
7479
7480    void updateRotation(boolean alwaysSendConfiguration) {
7481        try {
7482            //set orientation on WindowManager
7483            mWindowManager.updateRotation(alwaysSendConfiguration, false);
7484        } catch (RemoteException e) {
7485            // Ignore
7486        }
7487    }
7488
7489    void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
7490        try {
7491            //set orientation on WindowManager
7492            mWindowManager.updateRotation(alwaysSendConfiguration, forceRelayout);
7493        } catch (RemoteException e) {
7494            // Ignore
7495        }
7496    }
7497
7498    /**
7499     * Return an Intent to launch the currently active dock app as home.  Returns
7500     * null if the standard home should be launched, which is the case if any of the following is
7501     * true:
7502     * <ul>
7503     *  <li>The device is not in either car mode or desk mode
7504     *  <li>The device is in car mode but mEnableCarDockHomeCapture is false
7505     *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
7506     *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
7507     *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
7508     * </ul>
7509     * @return A dock intent.
7510     */
7511    Intent createHomeDockIntent() {
7512        Intent intent = null;
7513
7514        // What home does is based on the mode, not the dock state.  That
7515        // is, when in car mode you should be taken to car home regardless
7516        // of whether we are actually in a car dock.
7517        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
7518            if (mEnableCarDockHomeCapture) {
7519                intent = mCarDockIntent;
7520            }
7521        } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
7522            if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
7523                intent = mDeskDockIntent;
7524            }
7525        } else if (mUiMode == Configuration.UI_MODE_TYPE_WATCH
7526                && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
7527                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK
7528                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK)) {
7529            // Always launch dock home from home when watch is docked, if it exists.
7530            intent = mDeskDockIntent;
7531        } else if (mUiMode == Configuration.UI_MODE_TYPE_VR_HEADSET) {
7532            if (ENABLE_VR_HEADSET_HOME_CAPTURE) {
7533                intent = mVrHeadsetHomeIntent;
7534            }
7535        }
7536
7537        if (intent == null) {
7538            return null;
7539        }
7540
7541        ActivityInfo ai = null;
7542        ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(
7543                intent,
7544                PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_META_DATA,
7545                mCurrentUserId);
7546        if (info != null) {
7547            ai = info.activityInfo;
7548        }
7549        if (ai != null
7550                && ai.metaData != null
7551                && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
7552            intent = new Intent(intent);
7553            intent.setClassName(ai.packageName, ai.name);
7554            return intent;
7555        }
7556
7557        return null;
7558    }
7559
7560    void startDockOrHome(boolean fromHomeKey, boolean awakenFromDreams) {
7561        if (awakenFromDreams) {
7562            awakenDreams();
7563        }
7564
7565        Intent dock = createHomeDockIntent();
7566        if (dock != null) {
7567            try {
7568                if (fromHomeKey) {
7569                    dock.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
7570                }
7571                startActivityAsUser(dock, UserHandle.CURRENT);
7572                return;
7573            } catch (ActivityNotFoundException e) {
7574            }
7575        }
7576
7577        Intent intent;
7578
7579        if (fromHomeKey) {
7580            intent = new Intent(mHomeIntent);
7581            intent.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
7582        } else {
7583            intent = mHomeIntent;
7584        }
7585
7586        startActivityAsUser(intent, UserHandle.CURRENT);
7587    }
7588
7589    /**
7590     * goes to the home screen
7591     * @return whether it did anything
7592     */
7593    boolean goHome() {
7594        if (!isUserSetupComplete()) {
7595            Slog.i(TAG, "Not going home because user setup is in progress.");
7596            return false;
7597        }
7598        if (false) {
7599            // This code always brings home to the front.
7600            try {
7601                ActivityManager.getService().stopAppSwitches();
7602            } catch (RemoteException e) {
7603            }
7604            sendCloseSystemWindows();
7605            startDockOrHome(false /*fromHomeKey*/, true /* awakenFromDreams */);
7606        } else {
7607            // This code brings home to the front or, if it is already
7608            // at the front, puts the device to sleep.
7609            try {
7610                if (SystemProperties.getInt("persist.sys.uts-test-mode", 0) == 1) {
7611                    /// Roll back EndcallBehavior as the cupcake design to pass P1 lab entry.
7612                    Log.d(TAG, "UTS-TEST-MODE");
7613                } else {
7614                    ActivityManager.getService().stopAppSwitches();
7615                    sendCloseSystemWindows();
7616                    Intent dock = createHomeDockIntent();
7617                    if (dock != null) {
7618                        int result = ActivityManager.getService()
7619                                .startActivityAsUser(null, null, dock,
7620                                        dock.resolveTypeIfNeeded(mContext.getContentResolver()),
7621                                        null, null, 0,
7622                                        ActivityManager.START_FLAG_ONLY_IF_NEEDED,
7623                                        null, null, UserHandle.USER_CURRENT);
7624                        if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
7625                            return false;
7626                        }
7627                    }
7628                }
7629                int result = ActivityManager.getService()
7630                        .startActivityAsUser(null, null, mHomeIntent,
7631                                mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
7632                                null, null, 0,
7633                                ActivityManager.START_FLAG_ONLY_IF_NEEDED,
7634                                null, null, UserHandle.USER_CURRENT);
7635                if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
7636                    return false;
7637                }
7638            } catch (RemoteException ex) {
7639                // bummer, the activity manager, which is in this process, is dead
7640            }
7641        }
7642        return true;
7643    }
7644
7645    @Override
7646    public void setCurrentOrientationLw(int newOrientation) {
7647        synchronized (mLock) {
7648            if (newOrientation != mCurrentAppOrientation) {
7649                mCurrentAppOrientation = newOrientation;
7650                updateOrientationListenerLp();
7651            }
7652        }
7653    }
7654
7655    private boolean isTheaterModeEnabled() {
7656        return Settings.Global.getInt(mContext.getContentResolver(),
7657                Settings.Global.THEATER_MODE_ON, 0) == 1;
7658    }
7659
7660    private boolean areSystemNavigationKeysEnabled() {
7661        return Settings.Secure.getIntForUser(mContext.getContentResolver(),
7662                Settings.Secure.SYSTEM_NAVIGATION_KEYS_ENABLED, 0, UserHandle.USER_CURRENT) == 1;
7663    }
7664
7665    @Override
7666    public boolean performHapticFeedbackLw(WindowState win, int effectId, boolean always) {
7667        if (!mVibrator.hasVibrator()) {
7668            return false;
7669        }
7670        final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(),
7671                Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0;
7672        if (hapticsDisabled && !always) {
7673            return false;
7674        }
7675
7676        VibrationEffect effect = getVibrationEffect(effectId);
7677        if (effect == null) {
7678            return false;
7679        }
7680
7681        int owningUid;
7682        String owningPackage;
7683        if (win != null) {
7684            owningUid = win.getOwningUid();
7685            owningPackage = win.getOwningPackage();
7686        } else {
7687            owningUid = android.os.Process.myUid();
7688            owningPackage = mContext.getOpPackageName();
7689        }
7690        mVibrator.vibrate(owningUid, owningPackage, effect, VIBRATION_ATTRIBUTES);
7691        return true;
7692    }
7693
7694    private VibrationEffect getVibrationEffect(int effectId) {
7695        long[] pattern;
7696        switch (effectId) {
7697            case HapticFeedbackConstants.VIRTUAL_KEY:
7698                return VibrationEffect.get(VibrationEffect.EFFECT_CLICK);
7699            case HapticFeedbackConstants.LONG_PRESS:
7700                pattern = mLongPressVibePattern;
7701                break;
7702            case HapticFeedbackConstants.KEYBOARD_TAP:
7703                return VibrationEffect.get(VibrationEffect.EFFECT_CLICK);
7704            case HapticFeedbackConstants.CLOCK_TICK:
7705                pattern = mClockTickVibePattern;
7706                break;
7707            case HapticFeedbackConstants.CALENDAR_DATE:
7708                pattern = mCalendarDateVibePattern;
7709                break;
7710            case HapticFeedbackConstants.SAFE_MODE_DISABLED:
7711                pattern = mSafeModeDisabledVibePattern;
7712                break;
7713            case HapticFeedbackConstants.SAFE_MODE_ENABLED:
7714                pattern = mSafeModeEnabledVibePattern;
7715                break;
7716            case HapticFeedbackConstants.CONTEXT_CLICK:
7717                pattern = mContextClickVibePattern;
7718                break;
7719            default:
7720                return null;
7721        }
7722        if (pattern.length == 0) {
7723            // No vibration
7724            return null;
7725        } else if (pattern.length == 1) {
7726            // One-shot vibration
7727            return VibrationEffect.createOneShot(pattern[0], VibrationEffect.DEFAULT_AMPLITUDE);
7728        } else {
7729            // Pattern vibration
7730            return VibrationEffect.createWaveform(pattern, -1);
7731        }
7732    }
7733
7734    @Override
7735    public void keepScreenOnStartedLw() {
7736    }
7737
7738    @Override
7739    public void keepScreenOnStoppedLw() {
7740        if (isKeyguardShowingAndNotOccluded()) {
7741            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
7742        }
7743    }
7744
7745    private int updateSystemUiVisibilityLw() {
7746        // If there is no window focused, there will be nobody to handle the events
7747        // anyway, so just hang on in whatever state we're in until things settle down.
7748        WindowState winCandidate = mFocusedWindow != null ? mFocusedWindow
7749                : mTopFullscreenOpaqueWindowState;
7750        if (winCandidate == null) {
7751            return 0;
7752        }
7753        if (winCandidate.getAttrs().token == mImmersiveModeConfirmation.getWindowToken()) {
7754            // The immersive mode confirmation should never affect the system bar visibility,
7755            // otherwise it will unhide the navigation bar and hide itself.
7756            winCandidate = isStatusBarKeyguard() ? mStatusBar : mTopFullscreenOpaqueWindowState;
7757            if (winCandidate == null) {
7758                return 0;
7759            }
7760        }
7761        final WindowState win = winCandidate;
7762        if ((win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 && mKeyguardOccluded) {
7763            // We are updating at a point where the keyguard has gotten
7764            // focus, but we were last in a state where the top window is
7765            // hiding it.  This is probably because the keyguard as been
7766            // shown while the top window was displayed, so we want to ignore
7767            // it here because this is just a very transient change and it
7768            // will quickly lose focus once it correctly gets hidden.
7769            return 0;
7770        }
7771
7772        int tmpVisibility = PolicyControl.getSystemUiVisibility(win, null)
7773                & ~mResettingSystemUiFlags
7774                & ~mForceClearedSystemUiFlags;
7775        if (mForcingShowNavBar && win.getSurfaceLayer() < mForcingShowNavBarLayer) {
7776            tmpVisibility &= ~PolicyControl.adjustClearableFlags(win, View.SYSTEM_UI_CLEARABLE_FLAGS);
7777        }
7778
7779        final int fullscreenVisibility = updateLightStatusBarLw(0 /* vis */,
7780                mTopFullscreenOpaqueWindowState, mTopFullscreenOpaqueOrDimmingWindowState);
7781        final int dockedVisibility = updateLightStatusBarLw(0 /* vis */,
7782                mTopDockedOpaqueWindowState, mTopDockedOpaqueOrDimmingWindowState);
7783        mWindowManagerFuncs.getStackBounds(HOME_STACK_ID, mNonDockedStackBounds);
7784        mWindowManagerFuncs.getStackBounds(DOCKED_STACK_ID, mDockedStackBounds);
7785        final int visibility = updateSystemBarsLw(win, mLastSystemUiFlags, tmpVisibility);
7786        final int diff = visibility ^ mLastSystemUiFlags;
7787        final int fullscreenDiff = fullscreenVisibility ^ mLastFullscreenStackSysUiFlags;
7788        final int dockedDiff = dockedVisibility ^ mLastDockedStackSysUiFlags;
7789        final boolean needsMenu = win.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
7790        if (diff == 0 && fullscreenDiff == 0 && dockedDiff == 0 && mLastFocusNeedsMenu == needsMenu
7791                && mFocusedApp == win.getAppToken()
7792                && mLastNonDockedStackBounds.equals(mNonDockedStackBounds)
7793                && mLastDockedStackBounds.equals(mDockedStackBounds)) {
7794            return 0;
7795        }
7796        mLastSystemUiFlags = visibility;
7797        mLastFullscreenStackSysUiFlags = fullscreenVisibility;
7798        mLastDockedStackSysUiFlags = dockedVisibility;
7799        mLastFocusNeedsMenu = needsMenu;
7800        mFocusedApp = win.getAppToken();
7801        final Rect fullscreenStackBounds = new Rect(mNonDockedStackBounds);
7802        final Rect dockedStackBounds = new Rect(mDockedStackBounds);
7803        mHandler.post(new Runnable() {
7804                @Override
7805                public void run() {
7806                    StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
7807                    if (statusbar != null) {
7808                        statusbar.setSystemUiVisibility(visibility, fullscreenVisibility,
7809                                dockedVisibility, 0xffffffff, fullscreenStackBounds,
7810                                dockedStackBounds, win.toString());
7811                        statusbar.topAppWindowChanged(needsMenu);
7812                    }
7813                }
7814            });
7815        return diff;
7816    }
7817
7818    private int updateLightStatusBarLw(int vis, WindowState opaque, WindowState opaqueOrDimming) {
7819        WindowState statusColorWin = isStatusBarKeyguard() && !mKeyguardOccluded
7820                ? mStatusBar
7821                : opaqueOrDimming;
7822
7823        if (statusColorWin != null) {
7824            if (statusColorWin == opaque) {
7825                // If the top fullscreen-or-dimming window is also the top fullscreen, respect
7826                // its light flag.
7827                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7828                vis |= PolicyControl.getSystemUiVisibility(statusColorWin, null)
7829                        & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7830            } else if (statusColorWin != null && statusColorWin.isDimming()) {
7831                // Otherwise if it's dimming, clear the light flag.
7832                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7833            }
7834        }
7835        return vis;
7836    }
7837
7838    private int updateLightNavigationBarLw(int vis, WindowState opaque,
7839            WindowState opaqueOrDimming) {
7840        final WindowState imeWin = mWindowManagerFuncs.getInputMethodWindowLw();
7841
7842        final WindowState navColorWin;
7843        if (imeWin != null && imeWin.isVisibleLw()) {
7844            navColorWin = imeWin;
7845        } else {
7846            navColorWin = opaqueOrDimming;
7847        }
7848
7849        if (navColorWin != null) {
7850            if (navColorWin == opaque) {
7851                // If the top fullscreen-or-dimming window is also the top fullscreen, respect
7852                // its light flag.
7853                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR;
7854                vis |= PolicyControl.getSystemUiVisibility(navColorWin, null)
7855                        & View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR;
7856            } else if (navColorWin.isDimming() || navColorWin == imeWin) {
7857                // Otherwise if it's dimming or it's the IME window, clear the light flag.
7858                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR;
7859            }
7860        }
7861        return vis;
7862    }
7863
7864    private boolean drawsSystemBarBackground(WindowState win) {
7865        return win == null || (win.getAttrs().flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0;
7866    }
7867
7868    private boolean forcesDrawStatusBarBackground(WindowState win) {
7869        return win == null || (win.getAttrs().privateFlags
7870                & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND) != 0;
7871    }
7872
7873    private int updateSystemBarsLw(WindowState win, int oldVis, int vis) {
7874        final boolean dockedStackVisible = mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID);
7875        final boolean freeformStackVisible =
7876                mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID);
7877        final boolean resizing = mWindowManagerInternal.isDockedDividerResizing();
7878
7879        // We need to force system bars when the docked stack is visible, when the freeform stack
7880        // is visible but also when we are resizing for the transitions when docked stack
7881        // visibility changes.
7882        mForceShowSystemBars = dockedStackVisible || freeformStackVisible || resizing;
7883        final boolean forceOpaqueStatusBar = mForceShowSystemBars && !mForceStatusBarFromKeyguard;
7884
7885        // apply translucent bar vis flags
7886        WindowState fullscreenTransWin = isStatusBarKeyguard() && !mKeyguardOccluded
7887                ? mStatusBar
7888                : mTopFullscreenOpaqueWindowState;
7889        vis = mStatusBarController.applyTranslucentFlagLw(fullscreenTransWin, vis, oldVis);
7890        vis = mNavigationBarController.applyTranslucentFlagLw(fullscreenTransWin, vis, oldVis);
7891        final int dockedVis = mStatusBarController.applyTranslucentFlagLw(
7892                mTopDockedOpaqueWindowState, 0, 0);
7893
7894        final boolean fullscreenDrawsStatusBarBackground =
7895                (drawsSystemBarBackground(mTopFullscreenOpaqueWindowState)
7896                        && (vis & View.STATUS_BAR_TRANSLUCENT) == 0)
7897                || forcesDrawStatusBarBackground(mTopFullscreenOpaqueWindowState);
7898        final boolean dockedDrawsStatusBarBackground =
7899                (drawsSystemBarBackground(mTopDockedOpaqueWindowState)
7900                        && (dockedVis & View.STATUS_BAR_TRANSLUCENT) == 0)
7901                || forcesDrawStatusBarBackground(mTopDockedOpaqueWindowState);
7902
7903        // prevent status bar interaction from clearing certain flags
7904        int type = win.getAttrs().type;
7905        boolean statusBarHasFocus = type == TYPE_STATUS_BAR;
7906        if (statusBarHasFocus && !isStatusBarKeyguard()) {
7907            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
7908                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
7909                    | View.SYSTEM_UI_FLAG_IMMERSIVE
7910                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
7911                    | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7912            if (mKeyguardOccluded) {
7913                flags |= View.STATUS_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSLUCENT;
7914            }
7915            vis = (vis & ~flags) | (oldVis & flags);
7916        }
7917
7918        if (fullscreenDrawsStatusBarBackground && dockedDrawsStatusBarBackground) {
7919            vis |= View.STATUS_BAR_TRANSPARENT;
7920            vis &= ~View.STATUS_BAR_TRANSLUCENT;
7921        } else if ((!areTranslucentBarsAllowed() && fullscreenTransWin != mStatusBar)
7922                || forceOpaqueStatusBar) {
7923            vis &= ~(View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT);
7924        }
7925
7926        vis = configureNavBarOpacity(vis, dockedStackVisible, freeformStackVisible, resizing);
7927
7928        // update status bar
7929        boolean immersiveSticky =
7930                (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
7931        final boolean hideStatusBarWM =
7932                mTopFullscreenOpaqueWindowState != null
7933                && (PolicyControl.getWindowFlags(mTopFullscreenOpaqueWindowState, null)
7934                        & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0;
7935        final boolean hideStatusBarSysui =
7936                (vis & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
7937        final boolean hideNavBarSysui =
7938                (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0;
7939
7940        final boolean transientStatusBarAllowed = mStatusBar != null
7941                && (statusBarHasFocus || (!mForceShowSystemBars
7942                        && (hideStatusBarWM || (hideStatusBarSysui && immersiveSticky))));
7943
7944        final boolean transientNavBarAllowed = mNavigationBar != null
7945                && !mForceShowSystemBars && hideNavBarSysui && immersiveSticky;
7946
7947        final long now = SystemClock.uptimeMillis();
7948        final boolean pendingPanic = mPendingPanicGestureUptime != 0
7949                && now - mPendingPanicGestureUptime <= PANIC_GESTURE_EXPIRATION;
7950        if (pendingPanic && hideNavBarSysui && !isStatusBarKeyguard() && mKeyguardDrawComplete) {
7951            // The user performed the panic gesture recently, we're about to hide the bars,
7952            // we're no longer on the Keyguard and the screen is ready. We can now request the bars.
7953            mPendingPanicGestureUptime = 0;
7954            mStatusBarController.showTransient();
7955            if (!isNavBarEmpty(vis)) {
7956                mNavigationBarController.showTransient();
7957            }
7958        }
7959
7960        final boolean denyTransientStatus = mStatusBarController.isTransientShowRequested()
7961                && !transientStatusBarAllowed && hideStatusBarSysui;
7962        final boolean denyTransientNav = mNavigationBarController.isTransientShowRequested()
7963                && !transientNavBarAllowed;
7964        if (denyTransientStatus || denyTransientNav || mForceShowSystemBars) {
7965            // clear the clearable flags instead
7966            clearClearableFlagsLw();
7967            vis &= ~View.SYSTEM_UI_CLEARABLE_FLAGS;
7968        }
7969
7970        final boolean immersive = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
7971        immersiveSticky = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
7972        final boolean navAllowedHidden = immersive || immersiveSticky;
7973
7974        if (hideNavBarSysui && !navAllowedHidden
7975                && getWindowLayerLw(win) > getWindowLayerFromTypeLw(TYPE_INPUT_CONSUMER)) {
7976            // We can't hide the navbar from this window otherwise the input consumer would not get
7977            // the input events.
7978            vis = (vis & ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
7979        }
7980
7981        vis = mStatusBarController.updateVisibilityLw(transientStatusBarAllowed, oldVis, vis);
7982
7983        // update navigation bar
7984        boolean oldImmersiveMode = isImmersiveMode(oldVis);
7985        boolean newImmersiveMode = isImmersiveMode(vis);
7986        if (win != null && oldImmersiveMode != newImmersiveMode) {
7987            final String pkg = win.getOwningPackage();
7988            mImmersiveModeConfirmation.immersiveModeChangedLw(pkg, newImmersiveMode,
7989                    isUserSetupComplete(), isNavBarEmpty(win.getSystemUiVisibility()));
7990        }
7991
7992        vis = mNavigationBarController.updateVisibilityLw(transientNavBarAllowed, oldVis, vis);
7993
7994        vis = updateLightNavigationBarLw(vis, mTopFullscreenOpaqueWindowState,
7995                mTopFullscreenOpaqueOrDimmingWindowState);
7996
7997        return vis;
7998    }
7999
8000    /**
8001     * @return the current visibility flags with the nav-bar opacity related flags toggled based
8002     *         on the nav bar opacity rules chosen by {@link #mNavBarOpacityMode}.
8003     */
8004    private int configureNavBarOpacity(int visibility, boolean dockedStackVisible,
8005            boolean freeformStackVisible, boolean isDockedDividerResizing) {
8006        if (mNavBarOpacityMode == NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED) {
8007            if (dockedStackVisible || freeformStackVisible || isDockedDividerResizing) {
8008                visibility = setNavBarOpaqueFlag(visibility);
8009            }
8010        } else if (mNavBarOpacityMode == NAV_BAR_TRANSLUCENT_WHEN_FREEFORM_OPAQUE_OTHERWISE) {
8011            if (isDockedDividerResizing) {
8012                visibility = setNavBarOpaqueFlag(visibility);
8013            } else if (freeformStackVisible) {
8014                visibility = setNavBarTranslucentFlag(visibility);
8015            } else {
8016                visibility = setNavBarOpaqueFlag(visibility);
8017            }
8018        }
8019
8020        if (!areTranslucentBarsAllowed()) {
8021            visibility &= ~View.NAVIGATION_BAR_TRANSLUCENT;
8022        }
8023        return visibility;
8024    }
8025
8026    private int setNavBarOpaqueFlag(int visibility) {
8027        return visibility &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT);
8028    }
8029
8030    private int setNavBarTranslucentFlag(int visibility) {
8031        visibility &= ~View.NAVIGATION_BAR_TRANSPARENT;
8032        return visibility |= View.NAVIGATION_BAR_TRANSLUCENT;
8033    }
8034
8035    private void clearClearableFlagsLw() {
8036        int newVal = mResettingSystemUiFlags | View.SYSTEM_UI_CLEARABLE_FLAGS;
8037        if (newVal != mResettingSystemUiFlags) {
8038            mResettingSystemUiFlags = newVal;
8039            mWindowManagerFuncs.reevaluateStatusBarVisibility();
8040        }
8041    }
8042
8043    private boolean isImmersiveMode(int vis) {
8044        final int flags = View.SYSTEM_UI_FLAG_IMMERSIVE | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
8045        return mNavigationBar != null
8046                && (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
8047                && (vis & flags) != 0
8048                && canHideNavigationBar();
8049    }
8050
8051    private static boolean isNavBarEmpty(int systemUiFlags) {
8052        final int disableNavigationBar = (View.STATUS_BAR_DISABLE_HOME
8053                | View.STATUS_BAR_DISABLE_BACK
8054                | View.STATUS_BAR_DISABLE_RECENT);
8055
8056        return (systemUiFlags & disableNavigationBar) == disableNavigationBar;
8057    }
8058
8059    /**
8060     * @return whether the navigation or status bar can be made translucent
8061     *
8062     * This should return true unless touch exploration is not enabled or
8063     * R.boolean.config_enableTranslucentDecor is false.
8064     */
8065    private boolean areTranslucentBarsAllowed() {
8066        return mTranslucentDecorEnabled;
8067    }
8068
8069    // Use this instead of checking config_showNavigationBar so that it can be consistently
8070    // overridden by qemu.hw.mainkeys in the emulator.
8071    @Override
8072    public boolean hasNavigationBar() {
8073        return mHasNavigationBar;
8074    }
8075
8076    @Override
8077    public void setLastInputMethodWindowLw(WindowState ime, WindowState target) {
8078        mLastInputMethodWindow = ime;
8079        mLastInputMethodTargetWindow = target;
8080    }
8081
8082    @Override
8083    public void setDismissImeOnBackKeyPressed(boolean newValue) {
8084        mDismissImeOnBackKeyPressed = newValue;
8085    }
8086
8087    @Override
8088    public int getInputMethodWindowVisibleHeightLw() {
8089        return mDockBottom - mCurBottom;
8090    }
8091
8092    @Override
8093    public void setCurrentUserLw(int newUserId) {
8094        mCurrentUserId = newUserId;
8095        if (mKeyguardDelegate != null) {
8096            mKeyguardDelegate.setCurrentUser(newUserId);
8097        }
8098        if (mAccessibilityShortcutController != null) {
8099            mAccessibilityShortcutController.setCurrentUser(newUserId);
8100        }
8101        StatusBarManagerInternal statusBar = getStatusBarManagerInternal();
8102        if (statusBar != null) {
8103            statusBar.setCurrentUser(newUserId);
8104        }
8105        setLastInputMethodWindowLw(null, null);
8106    }
8107
8108    @Override
8109    public void setSwitchingUser(boolean switching) {
8110        mKeyguardDelegate.setSwitchingUser(switching);
8111    }
8112
8113    @Override
8114    public boolean canMagnifyWindow(int windowType) {
8115        switch (windowType) {
8116            case WindowManager.LayoutParams.TYPE_INPUT_METHOD:
8117            case WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG:
8118            case WindowManager.LayoutParams.TYPE_NAVIGATION_BAR:
8119            case WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY: {
8120                return false;
8121            }
8122        }
8123        return true;
8124    }
8125
8126    @Override
8127    public boolean isTopLevelWindow(int windowType) {
8128        if (windowType >= WindowManager.LayoutParams.FIRST_SUB_WINDOW
8129                && windowType <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
8130            return (windowType == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG);
8131        }
8132        return true;
8133    }
8134
8135    @Override
8136    public boolean shouldRotateSeamlessly(int oldRotation, int newRotation) {
8137        // For the upside down rotation we don't rotate seamlessly as the navigation
8138        // bar moves position.
8139        // Note most apps (using orientation:sensor or user as opposed to fullSensor)
8140        // will not enter the reverse portrait orientation, so actually the
8141        // orientation won't change at all.
8142        if (oldRotation == mUpsideDownRotation || newRotation == mUpsideDownRotation) {
8143            return false;
8144        }
8145        // If the navigation bar can't change sides, then it will
8146        // jump when we change orientations and we don't rotate
8147        // seamlessly.
8148        if (!mNavigationBarCanMove) {
8149            return false;
8150        }
8151        int delta = newRotation - oldRotation;
8152        if (delta < 0) delta += 4;
8153        // Likewise we don't rotate seamlessly for 180 degree rotations
8154        // in this case the surfaces never resize, and our logic to
8155        // revert the transformations on size change will fail. We could
8156        // fix this in the future with the "tagged" frames idea.
8157        if (delta == Surface.ROTATION_180) {
8158            return false;
8159        }
8160
8161        final WindowState w = mTopFullscreenOpaqueWindowState;
8162        if (w != mFocusedWindow) {
8163            return false;
8164        }
8165
8166        // We only enable seamless rotation if the top window has requested
8167        // it and is in the fullscreen opaque state. Seamless rotation
8168        // requires freezing various Surface states and won't work well
8169        // with animations, so we disable it in the animation case for now.
8170        if (w != null && !w.isAnimatingLw() &&
8171                ((w.getAttrs().rotationAnimation == ROTATION_ANIMATION_JUMPCUT) ||
8172                        (w.getAttrs().rotationAnimation == ROTATION_ANIMATION_SEAMLESS))) {
8173            return true;
8174        }
8175        return false;
8176    }
8177
8178    @Override
8179    public void dump(String prefix, PrintWriter pw, String[] args) {
8180        pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
8181                pw.print(" mSystemReady="); pw.print(mSystemReady);
8182                pw.print(" mSystemBooted="); pw.println(mSystemBooted);
8183        pw.print(prefix); pw.print("mLidState="); pw.print(mLidState);
8184                pw.print(" mLidOpenRotation="); pw.print(mLidOpenRotation);
8185                pw.print(" mCameraLensCoverState="); pw.print(mCameraLensCoverState);
8186                pw.print(" mHdmiPlugged="); pw.println(mHdmiPlugged);
8187        if (mLastSystemUiFlags != 0 || mResettingSystemUiFlags != 0
8188                || mForceClearedSystemUiFlags != 0) {
8189            pw.print(prefix); pw.print("mLastSystemUiFlags=0x");
8190                    pw.print(Integer.toHexString(mLastSystemUiFlags));
8191                    pw.print(" mResettingSystemUiFlags=0x");
8192                    pw.print(Integer.toHexString(mResettingSystemUiFlags));
8193                    pw.print(" mForceClearedSystemUiFlags=0x");
8194                    pw.println(Integer.toHexString(mForceClearedSystemUiFlags));
8195        }
8196        if (mLastFocusNeedsMenu) {
8197            pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
8198                    pw.println(mLastFocusNeedsMenu);
8199        }
8200        pw.print(prefix); pw.print("mWakeGestureEnabledSetting=");
8201                pw.println(mWakeGestureEnabledSetting);
8202
8203        pw.print(prefix); pw.print("mSupportAutoRotation="); pw.println(mSupportAutoRotation);
8204        pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
8205                pw.print(" mDockMode="); pw.print(mDockMode);
8206                pw.print(" mEnableCarDockHomeCapture="); pw.print(mEnableCarDockHomeCapture);
8207                pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
8208                pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
8209        pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);
8210                pw.print(" mUserRotation="); pw.print(mUserRotation);
8211                pw.print(" mAllowAllRotations="); pw.println(mAllowAllRotations);
8212        pw.print(prefix); pw.print("mCurrentAppOrientation="); pw.println(mCurrentAppOrientation);
8213        pw.print(prefix); pw.print("mCarDockEnablesAccelerometer=");
8214                pw.print(mCarDockEnablesAccelerometer);
8215                pw.print(" mDeskDockEnablesAccelerometer=");
8216                pw.println(mDeskDockEnablesAccelerometer);
8217        pw.print(prefix); pw.print("mLidKeyboardAccessibility=");
8218                pw.print(mLidKeyboardAccessibility);
8219                pw.print(" mLidNavigationAccessibility="); pw.print(mLidNavigationAccessibility);
8220                pw.print(" mLidControlsScreenLock="); pw.println(mLidControlsScreenLock);
8221                pw.print(" mLidControlsSleep="); pw.println(mLidControlsSleep);
8222        pw.print(prefix);
8223                pw.print(" mLongPressOnBackBehavior="); pw.println(mLongPressOnBackBehavior);
8224        pw.print(prefix);
8225                pw.print("mShortPressOnPowerBehavior="); pw.print(mShortPressOnPowerBehavior);
8226                pw.print(" mLongPressOnPowerBehavior="); pw.println(mLongPressOnPowerBehavior);
8227        pw.print(prefix);
8228                pw.print("mDoublePressOnPowerBehavior="); pw.print(mDoublePressOnPowerBehavior);
8229                pw.print(" mTriplePressOnPowerBehavior="); pw.println(mTriplePressOnPowerBehavior);
8230        pw.print(prefix); pw.print("mHasSoftInput="); pw.println(mHasSoftInput);
8231        pw.print(prefix); pw.print("mAwake="); pw.println(mAwake);
8232        pw.print(prefix); pw.print("mScreenOnEarly="); pw.print(mScreenOnEarly);
8233                pw.print(" mScreenOnFully="); pw.println(mScreenOnFully);
8234        pw.print(prefix); pw.print("mKeyguardDrawComplete="); pw.print(mKeyguardDrawComplete);
8235                pw.print(" mWindowManagerDrawComplete="); pw.println(mWindowManagerDrawComplete);
8236        pw.print(prefix); pw.print("mOrientationSensorEnabled=");
8237                pw.println(mOrientationSensorEnabled);
8238        pw.print(prefix); pw.print("mOverscanScreen=("); pw.print(mOverscanScreenLeft);
8239                pw.print(","); pw.print(mOverscanScreenTop);
8240                pw.print(") "); pw.print(mOverscanScreenWidth);
8241                pw.print("x"); pw.println(mOverscanScreenHeight);
8242        if (mOverscanLeft != 0 || mOverscanTop != 0
8243                || mOverscanRight != 0 || mOverscanBottom != 0) {
8244            pw.print(prefix); pw.print("mOverscan left="); pw.print(mOverscanLeft);
8245                    pw.print(" top="); pw.print(mOverscanTop);
8246                    pw.print(" right="); pw.print(mOverscanRight);
8247                    pw.print(" bottom="); pw.println(mOverscanBottom);
8248        }
8249        pw.print(prefix); pw.print("mRestrictedOverscanScreen=(");
8250                pw.print(mRestrictedOverscanScreenLeft);
8251                pw.print(","); pw.print(mRestrictedOverscanScreenTop);
8252                pw.print(") "); pw.print(mRestrictedOverscanScreenWidth);
8253                pw.print("x"); pw.println(mRestrictedOverscanScreenHeight);
8254        pw.print(prefix); pw.print("mUnrestrictedScreen=("); pw.print(mUnrestrictedScreenLeft);
8255                pw.print(","); pw.print(mUnrestrictedScreenTop);
8256                pw.print(") "); pw.print(mUnrestrictedScreenWidth);
8257                pw.print("x"); pw.println(mUnrestrictedScreenHeight);
8258        pw.print(prefix); pw.print("mRestrictedScreen=("); pw.print(mRestrictedScreenLeft);
8259                pw.print(","); pw.print(mRestrictedScreenTop);
8260                pw.print(") "); pw.print(mRestrictedScreenWidth);
8261                pw.print("x"); pw.println(mRestrictedScreenHeight);
8262        pw.print(prefix); pw.print("mStableFullscreen=("); pw.print(mStableFullscreenLeft);
8263                pw.print(","); pw.print(mStableFullscreenTop);
8264                pw.print(")-("); pw.print(mStableFullscreenRight);
8265                pw.print(","); pw.print(mStableFullscreenBottom); pw.println(")");
8266        pw.print(prefix); pw.print("mStable=("); pw.print(mStableLeft);
8267                pw.print(","); pw.print(mStableTop);
8268                pw.print(")-("); pw.print(mStableRight);
8269                pw.print(","); pw.print(mStableBottom); pw.println(")");
8270        pw.print(prefix); pw.print("mSystem=("); pw.print(mSystemLeft);
8271                pw.print(","); pw.print(mSystemTop);
8272                pw.print(")-("); pw.print(mSystemRight);
8273                pw.print(","); pw.print(mSystemBottom); pw.println(")");
8274        pw.print(prefix); pw.print("mCur=("); pw.print(mCurLeft);
8275                pw.print(","); pw.print(mCurTop);
8276                pw.print(")-("); pw.print(mCurRight);
8277                pw.print(","); pw.print(mCurBottom); pw.println(")");
8278        pw.print(prefix); pw.print("mContent=("); pw.print(mContentLeft);
8279                pw.print(","); pw.print(mContentTop);
8280                pw.print(")-("); pw.print(mContentRight);
8281                pw.print(","); pw.print(mContentBottom); pw.println(")");
8282        pw.print(prefix); pw.print("mVoiceContent=("); pw.print(mVoiceContentLeft);
8283                pw.print(","); pw.print(mVoiceContentTop);
8284                pw.print(")-("); pw.print(mVoiceContentRight);
8285                pw.print(","); pw.print(mVoiceContentBottom); pw.println(")");
8286        pw.print(prefix); pw.print("mDock=("); pw.print(mDockLeft);
8287                pw.print(","); pw.print(mDockTop);
8288                pw.print(")-("); pw.print(mDockRight);
8289                pw.print(","); pw.print(mDockBottom); pw.println(")");
8290        pw.print(prefix); pw.print("mDockLayer="); pw.print(mDockLayer);
8291                pw.print(" mStatusBarLayer="); pw.println(mStatusBarLayer);
8292        pw.print(prefix); pw.print("mShowingDream="); pw.print(mShowingDream);
8293                pw.print(" mDreamingLockscreen="); pw.print(mDreamingLockscreen);
8294                pw.print(" mDreamingSleepToken="); pw.println(mDreamingSleepToken);
8295        if (mLastInputMethodWindow != null) {
8296            pw.print(prefix); pw.print("mLastInputMethodWindow=");
8297                    pw.println(mLastInputMethodWindow);
8298        }
8299        if (mLastInputMethodTargetWindow != null) {
8300            pw.print(prefix); pw.print("mLastInputMethodTargetWindow=");
8301                    pw.println(mLastInputMethodTargetWindow);
8302        }
8303        pw.print(prefix); pw.print("mDismissImeOnBackKeyPressed=");
8304                pw.println(mDismissImeOnBackKeyPressed);
8305        if (mStatusBar != null) {
8306            pw.print(prefix); pw.print("mStatusBar=");
8307                    pw.print(mStatusBar); pw.print(" isStatusBarKeyguard=");
8308                    pw.println(isStatusBarKeyguard());
8309        }
8310        if (mNavigationBar != null) {
8311            pw.print(prefix); pw.print("mNavigationBar=");
8312                    pw.println(mNavigationBar);
8313        }
8314        if (mFocusedWindow != null) {
8315            pw.print(prefix); pw.print("mFocusedWindow=");
8316                    pw.println(mFocusedWindow);
8317        }
8318        if (mFocusedApp != null) {
8319            pw.print(prefix); pw.print("mFocusedApp=");
8320                    pw.println(mFocusedApp);
8321        }
8322        if (mTopFullscreenOpaqueWindowState != null) {
8323            pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
8324                    pw.println(mTopFullscreenOpaqueWindowState);
8325        }
8326        if (mTopFullscreenOpaqueOrDimmingWindowState != null) {
8327            pw.print(prefix); pw.print("mTopFullscreenOpaqueOrDimmingWindowState=");
8328                    pw.println(mTopFullscreenOpaqueOrDimmingWindowState);
8329        }
8330        if (mForcingShowNavBar) {
8331            pw.print(prefix); pw.print("mForcingShowNavBar=");
8332                    pw.println(mForcingShowNavBar); pw.print( "mForcingShowNavBarLayer=");
8333                    pw.println(mForcingShowNavBarLayer);
8334        }
8335        pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
8336                pw.print(" mKeyguardOccluded="); pw.println(mKeyguardOccluded);
8337                pw.print(" mKeyguardOccludedChanged="); pw.println(mKeyguardOccludedChanged);
8338                pw.print(" mPendingKeyguardOccluded="); pw.println(mPendingKeyguardOccluded);
8339        pw.print(prefix); pw.print("mForceStatusBar="); pw.print(mForceStatusBar);
8340                pw.print(" mForceStatusBarFromKeyguard=");
8341                pw.println(mForceStatusBarFromKeyguard);
8342        pw.print(prefix); pw.print("mHomePressed="); pw.println(mHomePressed);
8343        pw.print(prefix); pw.print("mAllowLockscreenWhenOn="); pw.print(mAllowLockscreenWhenOn);
8344                pw.print(" mLockScreenTimeout="); pw.print(mLockScreenTimeout);
8345                pw.print(" mLockScreenTimerActive="); pw.println(mLockScreenTimerActive);
8346        pw.print(prefix); pw.print("mEndcallBehavior="); pw.print(mEndcallBehavior);
8347                pw.print(" mIncallPowerBehavior="); pw.print(mIncallPowerBehavior);
8348                pw.print(" mIncallBackBehavior="); pw.print(mIncallBackBehavior);
8349                pw.print(" mLongPressOnHomeBehavior="); pw.println(mLongPressOnHomeBehavior);
8350        pw.print(prefix); pw.print("mLandscapeRotation="); pw.print(mLandscapeRotation);
8351                pw.print(" mSeascapeRotation="); pw.println(mSeascapeRotation);
8352        pw.print(prefix); pw.print("mPortraitRotation="); pw.print(mPortraitRotation);
8353                pw.print(" mUpsideDownRotation="); pw.println(mUpsideDownRotation);
8354        pw.print(prefix); pw.print("mDemoHdmiRotation="); pw.print(mDemoHdmiRotation);
8355                pw.print(" mDemoHdmiRotationLock="); pw.println(mDemoHdmiRotationLock);
8356        pw.print(prefix); pw.print("mUndockedHdmiRotation="); pw.println(mUndockedHdmiRotation);
8357        if (mHasFeatureLeanback) {
8358            pw.print(prefix);
8359            pw.print("mAccessibilityTvKey1Pressed="); pw.println(mAccessibilityTvKey1Pressed);
8360            pw.print(prefix);
8361            pw.print("mAccessibilityTvKey2Pressed="); pw.println(mAccessibilityTvKey2Pressed);
8362            pw.print(prefix);
8363            pw.print("mAccessibilityTvScheduled="); pw.println(mAccessibilityTvScheduled);
8364        }
8365
8366        mGlobalKeyManager.dump(prefix, pw);
8367        mStatusBarController.dump(pw, prefix);
8368        mNavigationBarController.dump(pw, prefix);
8369        PolicyControl.dump(prefix, pw);
8370
8371        if (mWakeGestureListener != null) {
8372            mWakeGestureListener.dump(pw, prefix);
8373        }
8374        if (mOrientationListener != null) {
8375            mOrientationListener.dump(pw, prefix);
8376        }
8377        if (mBurnInProtectionHelper != null) {
8378            mBurnInProtectionHelper.dump(prefix, pw);
8379        }
8380        if (mKeyguardDelegate != null) {
8381            mKeyguardDelegate.dump(prefix, pw);
8382        }
8383    }
8384}
8385