PhoneWindowManager.java revision e6c6ecb2b038edaa0828119773857825bc579f86 
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.CONTEXT_RESTRICTED;
27import static android.content.Context.DISPLAY_SERVICE;
28import static android.content.Context.WINDOW_SERVICE;
29import static android.content.pm.PackageManager.FEATURE_PICTURE_IN_PICTURE;
30import static android.content.pm.PackageManager.FEATURE_LEANBACK;
31import static android.content.pm.PackageManager.FEATURE_WATCH;
32import static android.content.pm.PackageManager.PERMISSION_GRANTED;
33import static android.content.res.Configuration.EMPTY;
34import static android.content.res.Configuration.UI_MODE_TYPE_CAR;
35import static android.content.res.Configuration.UI_MODE_TYPE_MASK;
36import static android.os.Build.VERSION_CODES.M;
37import static android.os.Build.VERSION_CODES.O;
38import static android.view.WindowManager.DOCKED_LEFT;
39import static android.view.WindowManager.DOCKED_RIGHT;
40import static android.view.WindowManager.DOCKED_TOP;
41import static android.view.WindowManager.INPUT_CONSUMER_NAVIGATION;
42import static android.view.WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW;
43import static android.view.WindowManager.LayoutParams.FIRST_SUB_WINDOW;
44import static android.view.WindowManager.LayoutParams.FIRST_SYSTEM_WINDOW;
45import static android.view.WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON;
46import static android.view.WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS;
47import static android.view.WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN;
48import static android.view.WindowManager.LayoutParams.FLAG_FULLSCREEN;
49import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_ATTACHED_IN_DECOR;
50import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR;
51import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_IN_OVERSCAN;
52import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
53import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS;
54import static android.view.WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
55import static android.view.WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED;
56import static android.view.WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
57import static android.view.WindowManager.LayoutParams.LAST_SUB_WINDOW;
58import static android.view.WindowManager.LayoutParams.LAST_SYSTEM_WINDOW;
59import static android.view.WindowManager.LayoutParams.MATCH_PARENT;
60import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND;
61import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_STATUS_BAR_VISIBLE_TRANSPARENT;
62import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
63import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
64import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_SYSTEM_ERROR;
65import static android.view.WindowManager.LayoutParams.ROTATION_ANIMATION_CROSSFADE;
66import static android.view.WindowManager.LayoutParams.ROTATION_ANIMATION_JUMPCUT;
67import static android.view.WindowManager.LayoutParams.ROTATION_ANIMATION_ROTATE;
68import static android.view.WindowManager.LayoutParams.ROTATION_ANIMATION_SEAMLESS;
69import static android.view.WindowManager.LayoutParams.SOFT_INPUT_ADJUST_NOTHING;
70import static android.view.WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE;
71import static android.view.WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST;
72import static android.view.WindowManager.LayoutParams.TYPE_ACCESSIBILITY_OVERLAY;
73import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;
74import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY;
75import static android.view.WindowManager.LayoutParams.TYPE_BOOT_PROGRESS;
76import static android.view.WindowManager.LayoutParams.TYPE_DISPLAY_OVERLAY;
77import static android.view.WindowManager.LayoutParams.TYPE_DOCK_DIVIDER;
78import static android.view.WindowManager.LayoutParams.TYPE_DREAM;
79import static android.view.WindowManager.LayoutParams.TYPE_INPUT_CONSUMER;
80import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD;
81import static android.view.WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG;
82import static android.view.WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY;
83import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR;
84import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL;
85import static android.view.WindowManager.LayoutParams.TYPE_PHONE;
86import static android.view.WindowManager.LayoutParams.TYPE_POINTER;
87import static android.view.WindowManager.LayoutParams.TYPE_PRESENTATION;
88import static android.view.WindowManager.LayoutParams.TYPE_PRIORITY_PHONE;
89import static android.view.WindowManager.LayoutParams.TYPE_PRIVATE_PRESENTATION;
90import static android.view.WindowManager.LayoutParams.TYPE_QS_DIALOG;
91import static android.view.WindowManager.LayoutParams.TYPE_SCREENSHOT;
92import static android.view.WindowManager.LayoutParams.TYPE_SEARCH_BAR;
93import static android.view.WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
94import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR;
95import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR_PANEL;
96import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR_SUB_PANEL;
97import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_ALERT;
98import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG;
99import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_ERROR;
100import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_OVERLAY;
101import static android.view.WindowManager.LayoutParams.TYPE_TOAST;
102import static android.view.WindowManager.LayoutParams.TYPE_VOICE_INTERACTION;
103import static android.view.WindowManager.LayoutParams.TYPE_VOICE_INTERACTION_STARTING;
104import static android.view.WindowManager.LayoutParams.TYPE_VOLUME_OVERLAY;
105import static android.view.WindowManager.LayoutParams.TYPE_WALLPAPER;
106import static android.view.WindowManager.LayoutParams.isSystemAlertWindowType;
107import static android.view.WindowManager.TAKE_SCREENSHOT_FULLSCREEN;
108import static android.view.WindowManager.TAKE_SCREENSHOT_SELECTED_REGION;
109import static android.view.WindowManagerGlobal.ADD_OKAY;
110import static android.view.WindowManagerGlobal.ADD_PERMISSION_DENIED;
111import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVERED;
112import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVER_ABSENT;
113import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_UNCOVERED;
114import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_ABSENT;
115import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_CLOSED;
116import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_OPEN;
117
118import android.annotation.Nullable;
119import android.app.ActivityManager;
120import android.app.ActivityManager.StackId;
121import android.app.ActivityManagerInternal;
122import android.app.ActivityManagerInternal.SleepToken;
123import android.app.AppOpsManager;
124import android.app.IUiModeManager;
125import android.app.ProgressDialog;
126import android.app.SearchManager;
127import android.app.StatusBarManager;
128import android.app.UiModeManager;
129import android.content.ActivityNotFoundException;
130import android.content.BroadcastReceiver;
131import android.content.ComponentName;
132import android.content.ContentResolver;
133import android.content.Context;
134import android.content.Intent;
135import android.content.IntentFilter;
136import android.content.ServiceConnection;
137import android.content.pm.ActivityInfo;
138import android.content.pm.ApplicationInfo;
139import android.content.pm.PackageManager;
140import android.content.pm.ResolveInfo;
141import android.content.res.CompatibilityInfo;
142import android.content.res.Configuration;
143import android.content.res.Resources;
144import android.content.res.TypedArray;
145import android.database.ContentObserver;
146import android.graphics.PixelFormat;
147import android.graphics.Rect;
148import android.graphics.drawable.Drawable;
149import android.hardware.display.DisplayManager;
150import android.hardware.hdmi.HdmiControlManager;
151import android.hardware.hdmi.HdmiPlaybackClient;
152import android.hardware.hdmi.HdmiPlaybackClient.OneTouchPlayCallback;
153import android.hardware.input.InputManager;
154import android.hardware.input.InputManagerInternal;
155import android.hardware.power.V1_0.PowerHint;
156import android.media.AudioAttributes;
157import android.media.AudioManager;
158import android.media.AudioSystem;
159import android.media.IAudioService;
160import android.media.session.MediaSessionLegacyHelper;
161import android.os.Binder;
162import android.os.Build;
163import android.os.Bundle;
164import android.os.FactoryTest;
165import android.os.Handler;
166import android.os.IBinder;
167import android.os.IDeviceIdleController;
168import android.os.Looper;
169import android.os.Message;
170import android.os.Messenger;
171import android.os.PowerManager;
172import android.os.PowerManagerInternal;
173import android.os.Process;
174import android.os.RemoteException;
175import android.os.ServiceManager;
176import android.os.SystemClock;
177import android.os.SystemProperties;
178import android.os.UEventObserver;
179import android.os.UserHandle;
180import android.os.Vibrator;
181import android.os.VibrationEffect;
182import android.provider.MediaStore;
183import android.provider.Settings;
184import android.service.dreams.DreamManagerInternal;
185import android.service.dreams.DreamService;
186import android.service.dreams.IDreamManager;
187import android.service.vr.IPersistentVrStateCallbacks;
188import android.speech.RecognizerIntent;
189import android.telecom.TelecomManager;
190import android.util.DisplayMetrics;
191import android.util.EventLog;
192import android.util.Log;
193import android.util.LongSparseArray;
194import android.util.MutableBoolean;
195import android.util.Slog;
196import android.util.SparseArray;
197import android.view.Display;
198import android.view.Gravity;
199import android.view.HapticFeedbackConstants;
200import android.view.IApplicationToken;
201import android.view.IWindowManager;
202import android.view.InputChannel;
203import android.view.InputDevice;
204import android.view.InputEvent;
205import android.view.InputEventReceiver;
206import android.view.KeyCharacterMap;
207import android.view.KeyCharacterMap.FallbackAction;
208import android.view.KeyEvent;
209import android.view.MotionEvent;
210import android.view.PointerIcon;
211import android.view.Surface;
212import android.view.View;
213import android.view.ViewConfiguration;
214import android.view.WindowManager;
215import android.view.WindowManager.LayoutParams;
216import android.view.WindowManagerGlobal;
217import android.view.WindowManagerInternal;
218import android.view.WindowManagerInternal.AppTransitionListener;
219import android.view.WindowManagerPolicy;
220import android.view.accessibility.AccessibilityEvent;
221import android.view.accessibility.AccessibilityManager;
222import android.view.animation.Animation;
223import android.view.animation.AnimationSet;
224import android.view.animation.AnimationUtils;
225import android.view.autofill.AutofillManagerInternal;
226import android.view.inputmethod.InputMethodManagerInternal;
227
228import com.android.internal.R;
229import com.android.internal.logging.MetricsLogger;
230import com.android.internal.policy.IKeyguardDismissCallback;
231import com.android.internal.policy.IShortcutService;
232import com.android.internal.policy.PhoneWindow;
233import com.android.internal.statusbar.IStatusBarService;
234import com.android.internal.util.ScreenShapeHelper;
235import com.android.internal.widget.PointerLocationView;
236import com.android.server.GestureLauncherService;
237import com.android.server.LocalServices;
238import com.android.server.SystemServiceManager;
239import com.android.server.policy.keyguard.KeyguardServiceDelegate;
240import com.android.server.policy.keyguard.KeyguardServiceDelegate.DrawnListener;
241import com.android.server.policy.keyguard.KeyguardStateMonitor.StateCallback;
242import com.android.server.statusbar.StatusBarManagerInternal;
243import com.android.server.wm.AppTransition;
244import com.android.server.vr.VrManagerInternal;
245
246import java.io.File;
247import java.io.FileReader;
248import java.io.IOException;
249import java.io.PrintWriter;
250import java.util.List;
251
252/**
253 * WindowManagerPolicy implementation for the Android phone UI.  This
254 * introduces a new method suffix, Lp, for an internal lock of the
255 * PhoneWindowManager.  This is used to protect some internal state, and
256 * can be acquired with either the Lw and Li lock held, so has the restrictions
257 * of both of those when held.
258 */
259public class PhoneWindowManager implements WindowManagerPolicy {
260    static final String TAG = "WindowManager";
261    static final boolean DEBUG = false;
262    static final boolean localLOGV = false;
263    static final boolean DEBUG_INPUT = false;
264    static final boolean DEBUG_KEYGUARD = false;
265    static final boolean DEBUG_LAYOUT = false;
266    static final boolean DEBUG_SPLASH_SCREEN = false;
267    static final boolean DEBUG_WAKEUP = false;
268    static final boolean SHOW_SPLASH_SCREENS = true;
269
270    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
271    // No longer recommended for desk docks;
272    static final boolean ENABLE_DESK_DOCK_HOME_CAPTURE = false;
273
274    // Whether to allow devices placed in vr headset viewers to have an alternative Home intent.
275    static final boolean ENABLE_VR_HEADSET_HOME_CAPTURE = true;
276
277    static final boolean ALTERNATE_CAR_MODE_NAV_SIZE = false;
278
279    static final int SHORT_PRESS_POWER_NOTHING = 0;
280    static final int SHORT_PRESS_POWER_GO_TO_SLEEP = 1;
281    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP = 2;
282    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME = 3;
283    static final int SHORT_PRESS_POWER_GO_HOME = 4;
284    static final int SHORT_PRESS_POWER_CLOSE_IME_OR_GO_HOME = 5;
285
286    static final int LONG_PRESS_POWER_NOTHING = 0;
287    static final int LONG_PRESS_POWER_GLOBAL_ACTIONS = 1;
288    static final int LONG_PRESS_POWER_SHUT_OFF = 2;
289    static final int LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM = 3;
290
291    static final int LONG_PRESS_BACK_NOTHING = 0;
292    static final int LONG_PRESS_BACK_GO_TO_VOICE_ASSIST = 1;
293
294    static final int MULTI_PRESS_POWER_NOTHING = 0;
295    static final int MULTI_PRESS_POWER_THEATER_MODE = 1;
296    static final int MULTI_PRESS_POWER_BRIGHTNESS_BOOST = 2;
297
298    // Number of presses needed before we induce panic press behavior on the back button
299    static final int PANIC_PRESS_BACK_COUNT = 4;
300    static final int PANIC_PRESS_BACK_NOTHING = 0;
301    static final int PANIC_PRESS_BACK_HOME = 1;
302
303    // These need to match the documentation/constant in
304    // core/res/res/values/config.xml
305    static final int LONG_PRESS_HOME_NOTHING = 0;
306    static final int LONG_PRESS_HOME_ALL_APPS = 1;
307    static final int LONG_PRESS_HOME_ASSIST = 2;
308    static final int LAST_LONG_PRESS_HOME_BEHAVIOR = LONG_PRESS_HOME_ASSIST;
309
310    static final int DOUBLE_TAP_HOME_NOTHING = 0;
311    static final int DOUBLE_TAP_HOME_RECENT_SYSTEM_UI = 1;
312
313    static final int SHORT_PRESS_WINDOW_NOTHING = 0;
314    static final int SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE = 1;
315
316    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP = 0;
317    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME = 1;
318
319    static final int PENDING_KEY_NULL = -1;
320
321    // Controls navigation bar opacity depending on which workspace stacks are currently
322    // visible.
323    // Nav bar is always opaque when either the freeform stack or docked stack is visible.
324    static final int NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED = 0;
325    // Nav bar is always translucent when the freeform stack is visible, otherwise always opaque.
326    static final int NAV_BAR_TRANSLUCENT_WHEN_FREEFORM_OPAQUE_OTHERWISE = 1;
327
328    static public final String SYSTEM_DIALOG_REASON_KEY = "reason";
329    static public final String SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS = "globalactions";
330    static public final String SYSTEM_DIALOG_REASON_RECENT_APPS = "recentapps";
331    static public final String SYSTEM_DIALOG_REASON_HOME_KEY = "homekey";
332    static public final String SYSTEM_DIALOG_REASON_ASSIST = "assist";
333
334    /**
335     * These are the system UI flags that, when changing, can cause the layout
336     * of the screen to change.
337     */
338    static final int SYSTEM_UI_CHANGING_LAYOUT =
339              View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
340            | View.SYSTEM_UI_FLAG_FULLSCREEN
341            | View.STATUS_BAR_TRANSLUCENT
342            | View.NAVIGATION_BAR_TRANSLUCENT
343            | View.STATUS_BAR_TRANSPARENT
344            | View.NAVIGATION_BAR_TRANSPARENT;
345
346    private static final AudioAttributes VIBRATION_ATTRIBUTES = new AudioAttributes.Builder()
347            .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
348            .setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION)
349            .build();
350
351    // The panic gesture may become active only after the keyguard is dismissed and the immersive
352    // app shows again. If that doesn't happen for 30s we drop the gesture.
353    private static final long PANIC_GESTURE_EXPIRATION = 30000;
354
355    private static final String SYSUI_PACKAGE = "com.android.systemui";
356    private static final String SYSUI_SCREENSHOT_SERVICE =
357            "com.android.systemui.screenshot.TakeScreenshotService";
358    private static final String SYSUI_SCREENSHOT_ERROR_RECEIVER =
359            "com.android.systemui.screenshot.ScreenshotServiceErrorReceiver";
360
361    /**
362     * Keyguard stuff
363     */
364    private boolean mKeyguardDrawnOnce;
365
366    /* Table of Application Launch keys.  Maps from key codes to intent categories.
367     *
368     * These are special keys that are used to launch particular kinds of applications,
369     * such as a web browser.  HID defines nearly a hundred of them in the Consumer (0x0C)
370     * usage page.  We don't support quite that many yet...
371     */
372    static SparseArray<String> sApplicationLaunchKeyCategories;
373    static {
374        sApplicationLaunchKeyCategories = new SparseArray<String>();
375        sApplicationLaunchKeyCategories.append(
376                KeyEvent.KEYCODE_EXPLORER, Intent.CATEGORY_APP_BROWSER);
377        sApplicationLaunchKeyCategories.append(
378                KeyEvent.KEYCODE_ENVELOPE, Intent.CATEGORY_APP_EMAIL);
379        sApplicationLaunchKeyCategories.append(
380                KeyEvent.KEYCODE_CONTACTS, Intent.CATEGORY_APP_CONTACTS);
381        sApplicationLaunchKeyCategories.append(
382                KeyEvent.KEYCODE_CALENDAR, Intent.CATEGORY_APP_CALENDAR);
383        sApplicationLaunchKeyCategories.append(
384                KeyEvent.KEYCODE_MUSIC, Intent.CATEGORY_APP_MUSIC);
385        sApplicationLaunchKeyCategories.append(
386                KeyEvent.KEYCODE_CALCULATOR, Intent.CATEGORY_APP_CALCULATOR);
387    }
388
389    /** Amount of time (in milliseconds) to wait for windows drawn before powering on. */
390    static final int WAITING_FOR_DRAWN_TIMEOUT = 1000;
391
392    /** Amount of time (in milliseconds) a toast window can be shown. */
393    public static final int TOAST_WINDOW_TIMEOUT = 3500; // 3.5 seconds
394
395    /**
396     * Lock protecting internal state.  Must not call out into window
397     * manager with lock held.  (This lock will be acquired in places
398     * where the window manager is calling in with its own lock held.)
399     */
400    private final Object mLock = new Object();
401
402    Context mContext;
403    IWindowManager mWindowManager;
404    WindowManagerFuncs mWindowManagerFuncs;
405    WindowManagerInternal mWindowManagerInternal;
406    PowerManager mPowerManager;
407    ActivityManagerInternal mActivityManagerInternal;
408    AutofillManagerInternal mAutofillManagerInternal;
409    InputManagerInternal mInputManagerInternal;
410    InputMethodManagerInternal mInputMethodManagerInternal;
411    DreamManagerInternal mDreamManagerInternal;
412    PowerManagerInternal mPowerManagerInternal;
413    IStatusBarService mStatusBarService;
414    StatusBarManagerInternal mStatusBarManagerInternal;
415    boolean mPreloadedRecentApps;
416    final Object mServiceAquireLock = new Object();
417    Vibrator mVibrator; // Vibrator for giving feedback of orientation changes
418    SearchManager mSearchManager;
419    AccessibilityManager mAccessibilityManager;
420    BurnInProtectionHelper mBurnInProtectionHelper;
421    AppOpsManager mAppOpsManager;
422    private boolean mHasFeatureWatch;
423    private boolean mHasFeatureLeanback;
424
425    // Assigned on main thread, accessed on UI thread
426    volatile VrManagerInternal mVrManagerInternal;
427
428    // Vibrator pattern for haptic feedback of a long press.
429    long[] mLongPressVibePattern;
430
431    // Vibrator pattern for a short vibration when tapping on a day/month/year date of a Calendar.
432    long[] mCalendarDateVibePattern;
433
434    // Vibrator pattern for haptic feedback during boot when safe mode is disabled.
435    long[] mSafeModeDisabledVibePattern;
436
437    // Vibrator pattern for haptic feedback during boot when safe mode is enabled.
438    long[] mSafeModeEnabledVibePattern;
439
440    /** If true, hitting shift & menu will broadcast Intent.ACTION_BUG_REPORT */
441    boolean mEnableShiftMenuBugReports = false;
442
443    /** Controller that supports enabling an AccessibilityService by holding down the volume keys */
444    private AccessibilityShortcutController mAccessibilityShortcutController;
445
446    boolean mSafeMode;
447    WindowState mStatusBar = null;
448    int mStatusBarHeight;
449    WindowState mNavigationBar = null;
450    boolean mHasNavigationBar = false;
451    boolean mNavigationBarCanMove = false; // can the navigation bar ever move to the side?
452    int mNavigationBarPosition = NAV_BAR_BOTTOM;
453    int[] mNavigationBarHeightForRotationDefault = new int[4];
454    int[] mNavigationBarWidthForRotationDefault = new int[4];
455    int[] mNavigationBarHeightForRotationInCarMode = new int[4];
456    int[] mNavigationBarWidthForRotationInCarMode = new int[4];
457
458    private LongSparseArray<IShortcutService> mShortcutKeyServices = new LongSparseArray<>();
459
460    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
461    // This is for car dock and this is updated from resource.
462    private boolean mEnableCarDockHomeCapture = true;
463
464    boolean mBootMessageNeedsHiding;
465    KeyguardServiceDelegate mKeyguardDelegate;
466    private boolean mKeyguardBound;
467    final Runnable mWindowManagerDrawCallback = new Runnable() {
468        @Override
469        public void run() {
470            if (DEBUG_WAKEUP) Slog.i(TAG, "All windows ready for display!");
471            mHandler.sendEmptyMessage(MSG_WINDOW_MANAGER_DRAWN_COMPLETE);
472        }
473    };
474    final DrawnListener mKeyguardDrawnCallback = new DrawnListener() {
475        @Override
476        public void onDrawn() {
477            if (DEBUG_WAKEUP) Slog.d(TAG, "mKeyguardDelegate.ShowListener.onDrawn.");
478            mHandler.sendEmptyMessage(MSG_KEYGUARD_DRAWN_COMPLETE);
479        }
480    };
481
482    GlobalActions mGlobalActions;
483    Handler mHandler;
484    WindowState mLastInputMethodWindow = null;
485    WindowState mLastInputMethodTargetWindow = null;
486
487    // FIXME This state is shared between the input reader and handler thread.
488    // Technically it's broken and buggy but it has been like this for many years
489    // and we have not yet seen any problems.  Someday we'll rewrite this logic
490    // so that only one thread is involved in handling input policy.  Unfortunately
491    // it's on a critical path for power management so we can't just post the work to the
492    // handler thread.  We'll need to resolve this someday by teaching the input dispatcher
493    // to hold wakelocks during dispatch and eliminating the critical path.
494    volatile boolean mPowerKeyHandled;
495    volatile boolean mBackKeyHandled;
496    volatile boolean mBeganFromNonInteractive;
497    volatile int mPowerKeyPressCounter;
498    volatile int mBackKeyPressCounter;
499    volatile boolean mEndCallKeyHandled;
500    volatile boolean mCameraGestureTriggeredDuringGoingToSleep;
501    volatile boolean mGoingToSleep;
502    volatile boolean mRecentsVisible;
503    volatile boolean mPictureInPictureVisible;
504    // Written by vr manager thread, only read in this class.
505    volatile private boolean mPersistentVrModeEnabled;
506    volatile private boolean mDismissImeOnBackKeyPressed;
507
508    // Used to hold the last user key used to wake the device.  This helps us prevent up events
509    // from being passed to the foregrounded app without a corresponding down event
510    volatile int mPendingWakeKey = PENDING_KEY_NULL;
511
512    int mRecentAppsHeldModifiers;
513    boolean mLanguageSwitchKeyPressed;
514
515    int mLidState = LID_ABSENT;
516    int mCameraLensCoverState = CAMERA_LENS_COVER_ABSENT;
517    boolean mHaveBuiltInKeyboard;
518
519    boolean mSystemReady;
520    boolean mSystemBooted;
521    boolean mHdmiPlugged;
522    HdmiControl mHdmiControl;
523    IUiModeManager mUiModeManager;
524    int mUiMode;
525    int mDockMode = Intent.EXTRA_DOCK_STATE_UNDOCKED;
526    int mLidOpenRotation;
527    int mCarDockRotation;
528    int mDeskDockRotation;
529    int mUndockedHdmiRotation;
530    int mDemoHdmiRotation;
531    boolean mDemoHdmiRotationLock;
532    int mDemoRotation;
533    boolean mDemoRotationLock;
534
535    boolean mWakeGestureEnabledSetting;
536    MyWakeGestureListener mWakeGestureListener;
537
538    // Default display does not rotate, apps that require non-default orientation will have to
539    // have the orientation emulated.
540    private boolean mForceDefaultOrientation = false;
541
542    int mUserRotationMode = WindowManagerPolicy.USER_ROTATION_FREE;
543    int mUserRotation = Surface.ROTATION_0;
544    boolean mAccelerometerDefault;
545
546    boolean mSupportAutoRotation;
547    int mAllowAllRotations = -1;
548    boolean mCarDockEnablesAccelerometer;
549    boolean mDeskDockEnablesAccelerometer;
550    int mLidKeyboardAccessibility;
551    int mLidNavigationAccessibility;
552    boolean mLidControlsScreenLock;
553    boolean mLidControlsSleep;
554    int mShortPressOnPowerBehavior;
555    int mLongPressOnPowerBehavior;
556    int mDoublePressOnPowerBehavior;
557    int mTriplePressOnPowerBehavior;
558    int mLongPressOnBackBehavior;
559    int mPanicPressOnBackBehavior;
560    int mShortPressOnSleepBehavior;
561    int mShortPressWindowBehavior;
562    volatile boolean mAwake;
563    boolean mScreenOnEarly;
564    boolean mScreenOnFully;
565    ScreenOnListener mScreenOnListener;
566    boolean mKeyguardDrawComplete;
567    boolean mWindowManagerDrawComplete;
568    boolean mOrientationSensorEnabled = false;
569    int mCurrentAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
570    boolean mHasSoftInput = false;
571    boolean mTranslucentDecorEnabled = true;
572    boolean mUseTvRouting;
573
574    private boolean mHandleVolumeKeysInWM;
575
576    int mPointerLocationMode = 0; // guarded by mLock
577
578    // The last window we were told about in focusChanged.
579    WindowState mFocusedWindow;
580    IApplicationToken mFocusedApp;
581
582    PointerLocationView mPointerLocationView;
583
584    // The current size of the screen; really; extends into the overscan area of
585    // the screen and doesn't account for any system elements like the status bar.
586    int mOverscanScreenLeft, mOverscanScreenTop;
587    int mOverscanScreenWidth, mOverscanScreenHeight;
588    // The current visible size of the screen; really; (ir)regardless of whether the status
589    // bar can be hidden but not extending into the overscan area.
590    int mUnrestrictedScreenLeft, mUnrestrictedScreenTop;
591    int mUnrestrictedScreenWidth, mUnrestrictedScreenHeight;
592    // Like mOverscanScreen*, but allowed to move into the overscan region where appropriate.
593    int mRestrictedOverscanScreenLeft, mRestrictedOverscanScreenTop;
594    int mRestrictedOverscanScreenWidth, mRestrictedOverscanScreenHeight;
595    // The current size of the screen; these may be different than (0,0)-(dw,dh)
596    // if the status bar can't be hidden; in that case it effectively carves out
597    // that area of the display from all other windows.
598    int mRestrictedScreenLeft, mRestrictedScreenTop;
599    int mRestrictedScreenWidth, mRestrictedScreenHeight;
600    // During layout, the current screen borders accounting for any currently
601    // visible system UI elements.
602    int mSystemLeft, mSystemTop, mSystemRight, mSystemBottom;
603    // For applications requesting stable content insets, these are them.
604    int mStableLeft, mStableTop, mStableRight, mStableBottom;
605    // For applications requesting stable content insets but have also set the
606    // fullscreen window flag, these are the stable dimensions without the status bar.
607    int mStableFullscreenLeft, mStableFullscreenTop;
608    int mStableFullscreenRight, mStableFullscreenBottom;
609    // During layout, the current screen borders with all outer decoration
610    // (status bar, input method dock) accounted for.
611    int mCurLeft, mCurTop, mCurRight, mCurBottom;
612    // During layout, the frame in which content should be displayed
613    // to the user, accounting for all screen decoration except for any
614    // space they deem as available for other content.  This is usually
615    // the same as mCur*, but may be larger if the screen decor has supplied
616    // content insets.
617    int mContentLeft, mContentTop, mContentRight, mContentBottom;
618    // During layout, the frame in which voice content should be displayed
619    // to the user, accounting for all screen decoration except for any
620    // space they deem as available for other content.
621    int mVoiceContentLeft, mVoiceContentTop, mVoiceContentRight, mVoiceContentBottom;
622    // During layout, the current screen borders along which input method
623    // windows are placed.
624    int mDockLeft, mDockTop, mDockRight, mDockBottom;
625    // During layout, the layer at which the doc window is placed.
626    int mDockLayer;
627    // During layout, this is the layer of the status bar.
628    int mStatusBarLayer;
629    int mLastSystemUiFlags;
630    // Bits that we are in the process of clearing, so we want to prevent
631    // them from being set by applications until everything has been updated
632    // to have them clear.
633    int mResettingSystemUiFlags = 0;
634    // Bits that we are currently always keeping cleared.
635    int mForceClearedSystemUiFlags = 0;
636    int mLastFullscreenStackSysUiFlags;
637    int mLastDockedStackSysUiFlags;
638    final Rect mNonDockedStackBounds = new Rect();
639    final Rect mDockedStackBounds = new Rect();
640    final Rect mLastNonDockedStackBounds = new Rect();
641    final Rect mLastDockedStackBounds = new Rect();
642
643    // What we last reported to system UI about whether the compatibility
644    // menu needs to be displayed.
645    boolean mLastFocusNeedsMenu = false;
646    // If nonzero, a panic gesture was performed at that time in uptime millis and is still pending.
647    private long mPendingPanicGestureUptime;
648
649    InputConsumer mInputConsumer = null;
650
651    static final Rect mTmpParentFrame = new Rect();
652    static final Rect mTmpDisplayFrame = new Rect();
653    static final Rect mTmpOverscanFrame = new Rect();
654    static final Rect mTmpContentFrame = new Rect();
655    static final Rect mTmpVisibleFrame = new Rect();
656    static final Rect mTmpDecorFrame = new Rect();
657    static final Rect mTmpStableFrame = new Rect();
658    static final Rect mTmpNavigationFrame = new Rect();
659    static final Rect mTmpOutsetFrame = new Rect();
660    private static final Rect mTmpRect = new Rect();
661
662    WindowState mTopFullscreenOpaqueWindowState;
663    WindowState mTopFullscreenOpaqueOrDimmingWindowState;
664    WindowState mTopDockedOpaqueWindowState;
665    WindowState mTopDockedOpaqueOrDimmingWindowState;
666    boolean mTopIsFullscreen;
667    boolean mForceStatusBar;
668    boolean mForceStatusBarFromKeyguard;
669    private boolean mForceStatusBarTransparent;
670    int mNavBarOpacityMode = NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED;
671    boolean mForcingShowNavBar;
672    int mForcingShowNavBarLayer;
673
674    private boolean mPendingKeyguardOccluded;
675    private boolean mKeyguardOccludedChanged;
676
677    boolean mShowingDream;
678    private boolean mLastShowingDream;
679    boolean mDreamingLockscreen;
680    boolean mDreamingSleepTokenNeeded;
681    SleepToken mDreamingSleepToken;
682    SleepToken mScreenOffSleepToken;
683    volatile boolean mKeyguardOccluded;
684    boolean mHomePressed;
685    boolean mHomeConsumed;
686    boolean mHomeDoubleTapPending;
687    Intent mHomeIntent;
688    Intent mCarDockIntent;
689    Intent mDeskDockIntent;
690    Intent mVrHeadsetHomeIntent;
691    boolean mSearchKeyShortcutPending;
692    boolean mConsumeSearchKeyUp;
693    boolean mAssistKeyLongPressed;
694    boolean mPendingMetaAction;
695    boolean mPendingCapsLockToggle;
696    int mMetaState;
697    int mInitialMetaState;
698    boolean mForceShowSystemBars;
699
700    // support for activating the lock screen while the screen is on
701    boolean mAllowLockscreenWhenOn;
702    int mLockScreenTimeout;
703    boolean mLockScreenTimerActive;
704
705    // Behavior of ENDCALL Button.  (See Settings.System.END_BUTTON_BEHAVIOR.)
706    int mEndcallBehavior;
707
708    // Behavior of POWER button while in-call and screen on.
709    // (See Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR.)
710    int mIncallPowerBehavior;
711
712    // Behavior of Back button while in-call and screen on
713    int mIncallBackBehavior;
714
715    Display mDisplay;
716
717    private int mDisplayRotation;
718
719    int mLandscapeRotation = 0;  // default landscape rotation
720    int mSeascapeRotation = 0;   // "other" landscape rotation, 180 degrees from mLandscapeRotation
721    int mPortraitRotation = 0;   // default portrait rotation
722    int mUpsideDownRotation = 0; // "other" portrait rotation
723
724    int mOverscanLeft = 0;
725    int mOverscanTop = 0;
726    int mOverscanRight = 0;
727    int mOverscanBottom = 0;
728
729    // What we do when the user long presses on home
730    private int mLongPressOnHomeBehavior;
731
732    // What we do when the user double-taps on home
733    private int mDoubleTapOnHomeBehavior;
734
735    // Allowed theater mode wake actions
736    private boolean mAllowTheaterModeWakeFromKey;
737    private boolean mAllowTheaterModeWakeFromPowerKey;
738    private boolean mAllowTheaterModeWakeFromMotion;
739    private boolean mAllowTheaterModeWakeFromMotionWhenNotDreaming;
740    private boolean mAllowTheaterModeWakeFromCameraLens;
741    private boolean mAllowTheaterModeWakeFromLidSwitch;
742    private boolean mAllowTheaterModeWakeFromWakeGesture;
743
744    // Whether to support long press from power button in non-interactive mode
745    private boolean mSupportLongPressPowerWhenNonInteractive;
746
747    // Whether to go to sleep entering theater mode from power button
748    private boolean mGoToSleepOnButtonPressTheaterMode;
749
750    // Screenshot trigger states
751    // Time to volume and power must be pressed within this interval of each other.
752    private static final long SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS = 150;
753    // Increase the chord delay when taking a screenshot from the keyguard
754    private static final float KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER = 2.5f;
755    private boolean mScreenshotChordEnabled;
756    private boolean mScreenshotChordVolumeDownKeyTriggered;
757    private long mScreenshotChordVolumeDownKeyTime;
758    private boolean mScreenshotChordVolumeDownKeyConsumed;
759    private boolean mA11yShortcutChordVolumeUpKeyTriggered;
760    private long mA11yShortcutChordVolumeUpKeyTime;
761    private boolean mA11yShortcutChordVolumeUpKeyConsumed;
762
763    private boolean mScreenshotChordPowerKeyTriggered;
764    private long mScreenshotChordPowerKeyTime;
765
766    private static final long BUGREPORT_TV_GESTURE_TIMEOUT_MILLIS = 1000;
767
768    private boolean mBugreportTvKey1Pressed;
769    private boolean mBugreportTvKey2Pressed;
770    private boolean mBugreportTvScheduled;
771
772    private boolean mAccessibilityTvKey1Pressed;
773    private boolean mAccessibilityTvKey2Pressed;
774    private boolean mAccessibilityTvScheduled;
775
776    /* The number of steps between min and max brightness */
777    private static final int BRIGHTNESS_STEPS = 10;
778
779    SettingsObserver mSettingsObserver;
780    ShortcutManager mShortcutManager;
781    PowerManager.WakeLock mBroadcastWakeLock;
782    PowerManager.WakeLock mPowerKeyWakeLock;
783    boolean mHavePendingMediaKeyRepeatWithWakeLock;
784
785    private int mCurrentUserId;
786
787    // Maps global key codes to the components that will handle them.
788    private GlobalKeyManager mGlobalKeyManager;
789
790    // Fallback actions by key code.
791    private final SparseArray<KeyCharacterMap.FallbackAction> mFallbackActions =
792            new SparseArray<KeyCharacterMap.FallbackAction>();
793
794    private final LogDecelerateInterpolator mLogDecelerateInterpolator
795            = new LogDecelerateInterpolator(100, 0);
796
797    private final MutableBoolean mTmpBoolean = new MutableBoolean(false);
798
799    private static final int MSG_ENABLE_POINTER_LOCATION = 1;
800    private static final int MSG_DISABLE_POINTER_LOCATION = 2;
801    private static final int MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK = 3;
802    private static final int MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK = 4;
803    private static final int MSG_KEYGUARD_DRAWN_COMPLETE = 5;
804    private static final int MSG_KEYGUARD_DRAWN_TIMEOUT = 6;
805    private static final int MSG_WINDOW_MANAGER_DRAWN_COMPLETE = 7;
806    private static final int MSG_DISPATCH_SHOW_RECENTS = 9;
807    private static final int MSG_DISPATCH_SHOW_GLOBAL_ACTIONS = 10;
808    private static final int MSG_HIDE_BOOT_MESSAGE = 11;
809    private static final int MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK = 12;
810    private static final int MSG_POWER_DELAYED_PRESS = 13;
811    private static final int MSG_POWER_LONG_PRESS = 14;
812    private static final int MSG_UPDATE_DREAMING_SLEEP_TOKEN = 15;
813    private static final int MSG_REQUEST_TRANSIENT_BARS = 16;
814    private static final int MSG_SHOW_PICTURE_IN_PICTURE_MENU = 17;
815    private static final int MSG_BACK_LONG_PRESS = 18;
816    private static final int MSG_DISPOSE_INPUT_CONSUMER = 19;
817    private static final int MSG_BACK_DELAYED_PRESS = 20;
818    private static final int MSG_ACCESSIBILITY_SHORTCUT = 21;
819    private static final int MSG_BUGREPORT_TV = 22;
820    private static final int MSG_ACCESSIBILITY_TV = 23;
821    private static final int MSG_DISPATCH_BACK_KEY_TO_AUTOFILL = 24;
822
823    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS = 0;
824    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION = 1;
825
826    private class PolicyHandler extends Handler {
827        @Override
828        public void handleMessage(Message msg) {
829            switch (msg.what) {
830                case MSG_ENABLE_POINTER_LOCATION:
831                    enablePointerLocation();
832                    break;
833                case MSG_DISABLE_POINTER_LOCATION:
834                    disablePointerLocation();
835                    break;
836                case MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK:
837                    dispatchMediaKeyWithWakeLock((KeyEvent)msg.obj);
838                    break;
839                case MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK:
840                    dispatchMediaKeyRepeatWithWakeLock((KeyEvent)msg.obj);
841                    break;
842                case MSG_DISPATCH_SHOW_RECENTS:
843                    showRecentApps(false, msg.arg1 != 0);
844                    break;
845                case MSG_DISPATCH_SHOW_GLOBAL_ACTIONS:
846                    showGlobalActionsInternal();
847                    break;
848                case MSG_KEYGUARD_DRAWN_COMPLETE:
849                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mKeyguardDrawComplete");
850                    finishKeyguardDrawn();
851                    break;
852                case MSG_KEYGUARD_DRAWN_TIMEOUT:
853                    Slog.w(TAG, "Keyguard drawn timeout. Setting mKeyguardDrawComplete");
854                    finishKeyguardDrawn();
855                    break;
856                case MSG_WINDOW_MANAGER_DRAWN_COMPLETE:
857                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mWindowManagerDrawComplete");
858                    finishWindowsDrawn();
859                    break;
860                case MSG_HIDE_BOOT_MESSAGE:
861                    handleHideBootMessage();
862                    break;
863                case MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK:
864                    launchVoiceAssistWithWakeLock(msg.arg1 != 0);
865                    break;
866                case MSG_POWER_DELAYED_PRESS:
867                    powerPress((Long)msg.obj, msg.arg1 != 0, msg.arg2);
868                    finishPowerKeyPress();
869                    break;
870                case MSG_POWER_LONG_PRESS:
871                    powerLongPress();
872                    break;
873                case MSG_UPDATE_DREAMING_SLEEP_TOKEN:
874                    updateDreamingSleepToken(msg.arg1 != 0);
875                    break;
876                case MSG_REQUEST_TRANSIENT_BARS:
877                    WindowState targetBar = (msg.arg1 == MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS) ?
878                            mStatusBar : mNavigationBar;
879                    if (targetBar != null) {
880                        requestTransientBars(targetBar);
881                    }
882                    break;
883                case MSG_SHOW_PICTURE_IN_PICTURE_MENU:
884                    showPictureInPictureMenuInternal();
885                    break;
886                case MSG_BACK_LONG_PRESS:
887                    backLongPress();
888                    finishBackKeyPress();
889                    break;
890                case MSG_DISPOSE_INPUT_CONSUMER:
891                    disposeInputConsumer((InputConsumer) msg.obj);
892                    break;
893                case MSG_BACK_DELAYED_PRESS:
894                    backMultiPressAction((Long) msg.obj, msg.arg1);
895                    finishBackKeyPress();
896                    break;
897                case MSG_ACCESSIBILITY_SHORTCUT:
898                    accessibilityShortcutActivated();
899                    break;
900                case MSG_BUGREPORT_TV:
901                    takeBugreport();
902                    break;
903                case MSG_ACCESSIBILITY_TV:
904                    if (mAccessibilityShortcutController.isAccessibilityShortcutAvailable(false)) {
905                        accessibilityShortcutActivated();
906                    }
907                    break;
908                case MSG_DISPATCH_BACK_KEY_TO_AUTOFILL:
909                    mAutofillManagerInternal.onBackKeyPressed();
910                    break;
911            }
912        }
913    }
914
915    private UEventObserver mHDMIObserver = new UEventObserver() {
916        @Override
917        public void onUEvent(UEventObserver.UEvent event) {
918            setHdmiPlugged("1".equals(event.get("SWITCH_STATE")));
919        }
920    };
921
922    class SettingsObserver extends ContentObserver {
923        SettingsObserver(Handler handler) {
924            super(handler);
925        }
926
927        void observe() {
928            // Observe all users' changes
929            ContentResolver resolver = mContext.getContentResolver();
930            resolver.registerContentObserver(Settings.System.getUriFor(
931                    Settings.System.END_BUTTON_BEHAVIOR), false, this,
932                    UserHandle.USER_ALL);
933            resolver.registerContentObserver(Settings.Secure.getUriFor(
934                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR), false, this,
935                    UserHandle.USER_ALL);
936            resolver.registerContentObserver(Settings.Secure.getUriFor(
937                    Settings.Secure.INCALL_BACK_BUTTON_BEHAVIOR), false, this,
938                    UserHandle.USER_ALL);
939            resolver.registerContentObserver(Settings.Secure.getUriFor(
940                    Settings.Secure.WAKE_GESTURE_ENABLED), false, this,
941                    UserHandle.USER_ALL);
942            resolver.registerContentObserver(Settings.System.getUriFor(
943                    Settings.System.ACCELEROMETER_ROTATION), false, this,
944                    UserHandle.USER_ALL);
945            resolver.registerContentObserver(Settings.System.getUriFor(
946                    Settings.System.USER_ROTATION), false, this,
947                    UserHandle.USER_ALL);
948            resolver.registerContentObserver(Settings.System.getUriFor(
949                    Settings.System.SCREEN_OFF_TIMEOUT), false, this,
950                    UserHandle.USER_ALL);
951            resolver.registerContentObserver(Settings.System.getUriFor(
952                    Settings.System.POINTER_LOCATION), false, this,
953                    UserHandle.USER_ALL);
954            resolver.registerContentObserver(Settings.Secure.getUriFor(
955                    Settings.Secure.DEFAULT_INPUT_METHOD), false, this,
956                    UserHandle.USER_ALL);
957            resolver.registerContentObserver(Settings.Secure.getUriFor(
958                    Settings.Secure.IMMERSIVE_MODE_CONFIRMATIONS), false, this,
959                    UserHandle.USER_ALL);
960            resolver.registerContentObserver(Settings.Global.getUriFor(
961                    Settings.Global.POLICY_CONTROL), false, this,
962                    UserHandle.USER_ALL);
963            updateSettings();
964        }
965
966        @Override public void onChange(boolean selfChange) {
967            updateSettings();
968            updateRotation(false);
969        }
970    }
971
972    class MyWakeGestureListener extends WakeGestureListener {
973        MyWakeGestureListener(Context context, Handler handler) {
974            super(context, handler);
975        }
976
977        @Override
978        public void onWakeUp() {
979            synchronized (mLock) {
980                if (shouldEnableWakeGestureLp()) {
981                    performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
982                    wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromWakeGesture,
983                            "android.policy:GESTURE");
984                }
985            }
986        }
987    }
988
989    class MyOrientationListener extends WindowOrientationListener {
990        private final Runnable mUpdateRotationRunnable = new Runnable() {
991            @Override
992            public void run() {
993                // send interaction hint to improve redraw performance
994                mPowerManagerInternal.powerHint(PowerHint.INTERACTION, 0);
995                updateRotation(false);
996            }
997        };
998
999        MyOrientationListener(Context context, Handler handler) {
1000            super(context, handler);
1001        }
1002
1003        @Override
1004        public void onProposedRotationChanged(int rotation) {
1005            if (localLOGV) Slog.v(TAG, "onProposedRotationChanged, rotation=" + rotation);
1006            mHandler.post(mUpdateRotationRunnable);
1007        }
1008    }
1009    MyOrientationListener mOrientationListener;
1010
1011    final IPersistentVrStateCallbacks mPersistentVrModeListener =
1012            new IPersistentVrStateCallbacks.Stub() {
1013        @Override
1014        public void onPersistentVrStateChanged(boolean enabled) {
1015            mPersistentVrModeEnabled = enabled;
1016        }
1017    };
1018
1019    private final StatusBarController mStatusBarController = new StatusBarController();
1020
1021    private final BarController mNavigationBarController = new BarController("NavigationBar",
1022            View.NAVIGATION_BAR_TRANSIENT,
1023            View.NAVIGATION_BAR_UNHIDE,
1024            View.NAVIGATION_BAR_TRANSLUCENT,
1025            StatusBarManager.WINDOW_NAVIGATION_BAR,
1026            WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION,
1027            View.NAVIGATION_BAR_TRANSPARENT);
1028
1029    private final BarController.OnBarVisibilityChangedListener mNavBarVisibilityListener =
1030            new BarController.OnBarVisibilityChangedListener() {
1031        @Override
1032        public void onBarVisibilityChanged(boolean visible) {
1033            mAccessibilityManager.notifyAccessibilityButtonVisibilityChanged(visible);
1034        }
1035    };
1036
1037    private ImmersiveModeConfirmation mImmersiveModeConfirmation;
1038
1039    private SystemGesturesPointerEventListener mSystemGestures;
1040
1041    IStatusBarService getStatusBarService() {
1042        synchronized (mServiceAquireLock) {
1043            if (mStatusBarService == null) {
1044                mStatusBarService = IStatusBarService.Stub.asInterface(
1045                        ServiceManager.getService("statusbar"));
1046            }
1047            return mStatusBarService;
1048        }
1049    }
1050
1051    StatusBarManagerInternal getStatusBarManagerInternal() {
1052        synchronized (mServiceAquireLock) {
1053            if (mStatusBarManagerInternal == null) {
1054                mStatusBarManagerInternal =
1055                        LocalServices.getService(StatusBarManagerInternal.class);
1056            }
1057            return mStatusBarManagerInternal;
1058        }
1059    }
1060
1061    /*
1062     * We always let the sensor be switched on by default except when
1063     * the user has explicitly disabled sensor based rotation or when the
1064     * screen is switched off.
1065     */
1066    boolean needSensorRunningLp() {
1067        if (mSupportAutoRotation) {
1068            if (mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
1069                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
1070                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT
1071                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE) {
1072                // If the application has explicitly requested to follow the
1073                // orientation, then we need to turn the sensor on.
1074                return true;
1075            }
1076        }
1077        if ((mCarDockEnablesAccelerometer && mDockMode == Intent.EXTRA_DOCK_STATE_CAR) ||
1078                (mDeskDockEnablesAccelerometer && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
1079                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
1080                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK))) {
1081            // enable accelerometer if we are docked in a dock that enables accelerometer
1082            // orientation management,
1083            return true;
1084        }
1085        if (mUserRotationMode == USER_ROTATION_LOCKED) {
1086            // If the setting for using the sensor by default is enabled, then
1087            // we will always leave it on.  Note that the user could go to
1088            // a window that forces an orientation that does not use the
1089            // sensor and in theory we could turn it off... however, when next
1090            // turning it on we won't have a good value for the current
1091            // orientation for a little bit, which can cause orientation
1092            // changes to lag, so we'd like to keep it always on.  (It will
1093            // still be turned off when the screen is off.)
1094            return false;
1095        }
1096        return mSupportAutoRotation;
1097    }
1098
1099    /*
1100     * Various use cases for invoking this function
1101     * screen turning off, should always disable listeners if already enabled
1102     * screen turned on and current app has sensor based orientation, enable listeners
1103     * if not already enabled
1104     * screen turned on and current app does not have sensor orientation, disable listeners if
1105     * already enabled
1106     * screen turning on and current app has sensor based orientation, enable listeners if needed
1107     * screen turning on and current app has nosensor based orientation, do nothing
1108     */
1109    void updateOrientationListenerLp() {
1110        if (!mOrientationListener.canDetectOrientation()) {
1111            // If sensor is turned off or nonexistent for some reason
1112            return;
1113        }
1114        // Could have been invoked due to screen turning on or off or
1115        // change of the currently visible window's orientation.
1116        if (localLOGV) Slog.v(TAG, "mScreenOnEarly=" + mScreenOnEarly
1117                + ", mAwake=" + mAwake + ", mCurrentAppOrientation=" + mCurrentAppOrientation
1118                + ", mOrientationSensorEnabled=" + mOrientationSensorEnabled
1119                + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
1120                + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
1121        final boolean keyguardGoingAway = mWindowManagerInternal.isKeyguardGoingAway();
1122
1123        boolean disable = true;
1124        // Note: We postpone the rotating of the screen until the keyguard as well as the
1125        // window manager have reported a draw complete or the keyguard is going away in dismiss
1126        // mode.
1127        if (mScreenOnEarly && mAwake && ((mKeyguardDrawComplete && mWindowManagerDrawComplete)
1128                || keyguardGoingAway)) {
1129            if (needSensorRunningLp()) {
1130                disable = false;
1131                //enable listener if not already enabled
1132                if (!mOrientationSensorEnabled) {
1133                    // Don't clear the current sensor orientation if the keyguard is going away in
1134                    // dismiss mode. This allows window manager to use the last sensor reading to
1135                    // determine the orientation vs. falling back to the last known orientation if
1136                    // the sensor reading was cleared which can cause it to relaunch the app that
1137                    // will show in the wrong orientation first before correcting leading to app
1138                    // launch delays.
1139                    mOrientationListener.enable(!keyguardGoingAway /* clearCurrentRotation */);
1140                    if(localLOGV) Slog.v(TAG, "Enabling listeners");
1141                    mOrientationSensorEnabled = true;
1142                }
1143            }
1144        }
1145        //check if sensors need to be disabled
1146        if (disable && mOrientationSensorEnabled) {
1147            mOrientationListener.disable();
1148            if(localLOGV) Slog.v(TAG, "Disabling listeners");
1149            mOrientationSensorEnabled = false;
1150        }
1151    }
1152
1153    private void interceptBackKeyDown() {
1154        MetricsLogger.count(mContext, "key_back_down", 1);
1155        // Reset back key state for long press
1156        mBackKeyHandled = false;
1157
1158        // Cancel multi-press detection timeout.
1159        if (hasPanicPressOnBackBehavior()) {
1160            if (mBackKeyPressCounter != 0
1161                    && mBackKeyPressCounter < PANIC_PRESS_BACK_COUNT) {
1162                mHandler.removeMessages(MSG_BACK_DELAYED_PRESS);
1163            }
1164        }
1165
1166        if (hasLongPressOnBackBehavior()) {
1167            Message msg = mHandler.obtainMessage(MSG_BACK_LONG_PRESS);
1168            msg.setAsynchronous(true);
1169            mHandler.sendMessageDelayed(msg,
1170                    ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1171        }
1172    }
1173
1174    // returns true if the key was handled and should not be passed to the user
1175    private boolean interceptBackKeyUp(KeyEvent event) {
1176        // Cache handled state
1177        boolean handled = mBackKeyHandled;
1178
1179        if (hasPanicPressOnBackBehavior()) {
1180            // Check for back key panic press
1181            ++mBackKeyPressCounter;
1182
1183            final long eventTime = event.getDownTime();
1184
1185            if (mBackKeyPressCounter <= PANIC_PRESS_BACK_COUNT) {
1186                // This could be a multi-press.  Wait a little bit longer to confirm.
1187                Message msg = mHandler.obtainMessage(MSG_BACK_DELAYED_PRESS,
1188                    mBackKeyPressCounter, 0, eventTime);
1189                msg.setAsynchronous(true);
1190                mHandler.sendMessageDelayed(msg, ViewConfiguration.getMultiPressTimeout());
1191            }
1192        }
1193
1194        // Reset back long press state
1195        cancelPendingBackKeyAction();
1196
1197        if (mHasFeatureWatch) {
1198            TelecomManager telecomManager = getTelecommService();
1199
1200            if (telecomManager != null) {
1201                if (telecomManager.isRinging()) {
1202                    // Pressing back while there's a ringing incoming
1203                    // call should silence the ringer.
1204                    telecomManager.silenceRinger();
1205
1206                    // It should not prevent navigating away
1207                    return false;
1208                } else if (
1209                    (mIncallBackBehavior & Settings.Secure.INCALL_BACK_BUTTON_BEHAVIOR_HANGUP) != 0
1210                        && telecomManager.isInCall()) {
1211                    // Otherwise, if "Back button ends call" is enabled,
1212                    // the Back button will hang up any current active call.
1213                    return telecomManager.endCall();
1214                }
1215            }
1216        }
1217
1218        if (mAutofillManagerInternal != null && event.getKeyCode() == KeyEvent.KEYCODE_BACK) {
1219            mHandler.sendMessage(mHandler.obtainMessage(MSG_DISPATCH_BACK_KEY_TO_AUTOFILL));
1220        }
1221
1222        return handled;
1223    }
1224
1225    private void interceptPowerKeyDown(KeyEvent event, boolean interactive) {
1226        // Hold a wake lock until the power key is released.
1227        if (!mPowerKeyWakeLock.isHeld()) {
1228            mPowerKeyWakeLock.acquire();
1229        }
1230
1231        // Cancel multi-press detection timeout.
1232        if (mPowerKeyPressCounter != 0) {
1233            mHandler.removeMessages(MSG_POWER_DELAYED_PRESS);
1234        }
1235
1236        // Detect user pressing the power button in panic when an application has
1237        // taken over the whole screen.
1238        boolean panic = mImmersiveModeConfirmation.onPowerKeyDown(interactive,
1239                SystemClock.elapsedRealtime(), isImmersiveMode(mLastSystemUiFlags),
1240                isNavBarEmpty(mLastSystemUiFlags));
1241        if (panic) {
1242            mHandler.post(mHiddenNavPanic);
1243        }
1244
1245        // Latch power key state to detect screenshot chord.
1246        if (interactive && !mScreenshotChordPowerKeyTriggered
1247                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
1248            mScreenshotChordPowerKeyTriggered = true;
1249            mScreenshotChordPowerKeyTime = event.getDownTime();
1250            interceptScreenshotChord();
1251        }
1252
1253        // Stop ringing or end call if configured to do so when power is pressed.
1254        TelecomManager telecomManager = getTelecommService();
1255        boolean hungUp = false;
1256        if (telecomManager != null) {
1257            if (telecomManager.isRinging()) {
1258                // Pressing Power while there's a ringing incoming
1259                // call should silence the ringer.
1260                telecomManager.silenceRinger();
1261            } else if ((mIncallPowerBehavior
1262                    & Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP) != 0
1263                    && telecomManager.isInCall() && interactive) {
1264                // Otherwise, if "Power button ends call" is enabled,
1265                // the Power button will hang up any current active call.
1266                hungUp = telecomManager.endCall();
1267            }
1268        }
1269
1270        GestureLauncherService gestureService = LocalServices.getService(
1271                GestureLauncherService.class);
1272        boolean gesturedServiceIntercepted = false;
1273        if (gestureService != null) {
1274            gesturedServiceIntercepted = gestureService.interceptPowerKeyDown(event, interactive,
1275                    mTmpBoolean);
1276            if (mTmpBoolean.value && mGoingToSleep) {
1277                mCameraGestureTriggeredDuringGoingToSleep = true;
1278            }
1279        }
1280
1281        // Inform the StatusBar; but do not allow it to consume the event.
1282        IStatusBarService statusBar = getStatusBarService();
1283        if (statusBar != null) {
1284            try {
1285                statusBar.handleSystemKey(event.getKeyCode());
1286            } catch (RemoteException e) {
1287                // Oh well.
1288            }
1289        }
1290
1291        // If the power key has still not yet been handled, then detect short
1292        // press, long press, or multi press and decide what to do.
1293        mPowerKeyHandled = hungUp || mScreenshotChordVolumeDownKeyTriggered
1294                || mA11yShortcutChordVolumeUpKeyTriggered || gesturedServiceIntercepted;
1295        if (!mPowerKeyHandled) {
1296            if (interactive) {
1297                // When interactive, we're already awake.
1298                // Wait for a long press or for the button to be released to decide what to do.
1299                if (hasLongPressOnPowerBehavior()) {
1300                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
1301                    msg.setAsynchronous(true);
1302                    mHandler.sendMessageDelayed(msg,
1303                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1304                }
1305            } else {
1306                wakeUpFromPowerKey(event.getDownTime());
1307
1308                if (mSupportLongPressPowerWhenNonInteractive && hasLongPressOnPowerBehavior()) {
1309                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
1310                    msg.setAsynchronous(true);
1311                    mHandler.sendMessageDelayed(msg,
1312                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1313                    mBeganFromNonInteractive = true;
1314                } else {
1315                    final int maxCount = getMaxMultiPressPowerCount();
1316
1317                    if (maxCount <= 1) {
1318                        mPowerKeyHandled = true;
1319                    } else {
1320                        mBeganFromNonInteractive = true;
1321                    }
1322                }
1323            }
1324        }
1325    }
1326
1327    private void interceptPowerKeyUp(KeyEvent event, boolean interactive, boolean canceled) {
1328        final boolean handled = canceled || mPowerKeyHandled;
1329        mScreenshotChordPowerKeyTriggered = false;
1330        cancelPendingScreenshotChordAction();
1331        cancelPendingPowerKeyAction();
1332
1333        if (!handled) {
1334            // Figure out how to handle the key now that it has been released.
1335            mPowerKeyPressCounter += 1;
1336
1337            final int maxCount = getMaxMultiPressPowerCount();
1338            final long eventTime = event.getDownTime();
1339            if (mPowerKeyPressCounter < maxCount) {
1340                // This could be a multi-press.  Wait a little bit longer to confirm.
1341                // Continue holding the wake lock.
1342                Message msg = mHandler.obtainMessage(MSG_POWER_DELAYED_PRESS,
1343                        interactive ? 1 : 0, mPowerKeyPressCounter, eventTime);
1344                msg.setAsynchronous(true);
1345                mHandler.sendMessageDelayed(msg, ViewConfiguration.getMultiPressTimeout());
1346                return;
1347            }
1348
1349            // No other actions.  Handle it immediately.
1350            powerPress(eventTime, interactive, mPowerKeyPressCounter);
1351        }
1352
1353        // Done.  Reset our state.
1354        finishPowerKeyPress();
1355    }
1356
1357    private void finishPowerKeyPress() {
1358        mBeganFromNonInteractive = false;
1359        mPowerKeyPressCounter = 0;
1360        if (mPowerKeyWakeLock.isHeld()) {
1361            mPowerKeyWakeLock.release();
1362        }
1363    }
1364
1365    private void finishBackKeyPress() {
1366        mBackKeyPressCounter = 0;
1367    }
1368
1369    private void cancelPendingPowerKeyAction() {
1370        if (!mPowerKeyHandled) {
1371            mPowerKeyHandled = true;
1372            mHandler.removeMessages(MSG_POWER_LONG_PRESS);
1373        }
1374    }
1375
1376    private void cancelPendingBackKeyAction() {
1377        if (!mBackKeyHandled) {
1378            mBackKeyHandled = true;
1379            mHandler.removeMessages(MSG_BACK_LONG_PRESS);
1380        }
1381    }
1382
1383    private void backMultiPressAction(long eventTime, int count) {
1384        if (count >= PANIC_PRESS_BACK_COUNT) {
1385            switch (mPanicPressOnBackBehavior) {
1386                case PANIC_PRESS_BACK_NOTHING:
1387                    break;
1388                case PANIC_PRESS_BACK_HOME:
1389                    launchHomeFromHotKey();
1390                    break;
1391            }
1392        }
1393    }
1394
1395    private void powerPress(long eventTime, boolean interactive, int count) {
1396        if (mScreenOnEarly && !mScreenOnFully) {
1397            Slog.i(TAG, "Suppressed redundant power key press while "
1398                    + "already in the process of turning the screen on.");
1399            return;
1400        }
1401
1402        if (count == 2) {
1403            powerMultiPressAction(eventTime, interactive, mDoublePressOnPowerBehavior);
1404        } else if (count == 3) {
1405            powerMultiPressAction(eventTime, interactive, mTriplePressOnPowerBehavior);
1406        } else if (interactive && !mBeganFromNonInteractive) {
1407            switch (mShortPressOnPowerBehavior) {
1408                case SHORT_PRESS_POWER_NOTHING:
1409                    break;
1410                case SHORT_PRESS_POWER_GO_TO_SLEEP:
1411                    mPowerManager.goToSleep(eventTime,
1412                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1413                    break;
1414                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP:
1415                    mPowerManager.goToSleep(eventTime,
1416                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1417                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1418                    break;
1419                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME:
1420                    mPowerManager.goToSleep(eventTime,
1421                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1422                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1423                    launchHomeFromHotKey();
1424                    break;
1425                case SHORT_PRESS_POWER_GO_HOME:
1426                    shortPressPowerGoHome();
1427                    break;
1428                case SHORT_PRESS_POWER_CLOSE_IME_OR_GO_HOME: {
1429                    if (mDismissImeOnBackKeyPressed) {
1430                        if (mInputMethodManagerInternal == null) {
1431                            mInputMethodManagerInternal =
1432                                    LocalServices.getService(InputMethodManagerInternal.class);
1433                        }
1434                        if (mInputMethodManagerInternal != null) {
1435                            mInputMethodManagerInternal.hideCurrentInputMethod();
1436                        }
1437                    } else {
1438                        shortPressPowerGoHome();
1439                    }
1440                    break;
1441                }
1442            }
1443        }
1444    }
1445
1446    private void shortPressPowerGoHome() {
1447        launchHomeFromHotKey(true /* awakenFromDreams */, false /*respectKeyguard*/);
1448        if (isKeyguardShowingAndNotOccluded()) {
1449            // Notify keyguard so it can do any special handling for the power button since the
1450            // device will not power off and only launch home.
1451            mKeyguardDelegate.onShortPowerPressedGoHome();
1452        }
1453    }
1454
1455    private void powerMultiPressAction(long eventTime, boolean interactive, int behavior) {
1456        switch (behavior) {
1457            case MULTI_PRESS_POWER_NOTHING:
1458                break;
1459            case MULTI_PRESS_POWER_THEATER_MODE:
1460                if (!isUserSetupComplete()) {
1461                    Slog.i(TAG, "Ignoring toggling theater mode - device not setup.");
1462                    break;
1463                }
1464
1465                if (isTheaterModeEnabled()) {
1466                    Slog.i(TAG, "Toggling theater mode off.");
1467                    Settings.Global.putInt(mContext.getContentResolver(),
1468                            Settings.Global.THEATER_MODE_ON, 0);
1469                    if (!interactive) {
1470                        wakeUpFromPowerKey(eventTime);
1471                    }
1472                } else {
1473                    Slog.i(TAG, "Toggling theater mode on.");
1474                    Settings.Global.putInt(mContext.getContentResolver(),
1475                            Settings.Global.THEATER_MODE_ON, 1);
1476
1477                    if (mGoToSleepOnButtonPressTheaterMode && interactive) {
1478                        mPowerManager.goToSleep(eventTime,
1479                                PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1480                    }
1481                }
1482                break;
1483            case MULTI_PRESS_POWER_BRIGHTNESS_BOOST:
1484                Slog.i(TAG, "Starting brightness boost.");
1485                if (!interactive) {
1486                    wakeUpFromPowerKey(eventTime);
1487                }
1488                mPowerManager.boostScreenBrightness(eventTime);
1489                break;
1490        }
1491    }
1492
1493    private int getMaxMultiPressPowerCount() {
1494        if (mTriplePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1495            return 3;
1496        }
1497        if (mDoublePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1498            return 2;
1499        }
1500        return 1;
1501    }
1502
1503    private void powerLongPress() {
1504        final int behavior = getResolvedLongPressOnPowerBehavior();
1505        switch (behavior) {
1506        case LONG_PRESS_POWER_NOTHING:
1507            break;
1508        case LONG_PRESS_POWER_GLOBAL_ACTIONS:
1509            mPowerKeyHandled = true;
1510            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1511            showGlobalActionsInternal();
1512            break;
1513        case LONG_PRESS_POWER_SHUT_OFF:
1514        case LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM:
1515            mPowerKeyHandled = true;
1516            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1517            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1518            mWindowManagerFuncs.shutdown(behavior == LONG_PRESS_POWER_SHUT_OFF);
1519            break;
1520        }
1521    }
1522
1523    private void backLongPress() {
1524        mBackKeyHandled = true;
1525
1526        switch (mLongPressOnBackBehavior) {
1527            case LONG_PRESS_BACK_NOTHING:
1528                break;
1529            case LONG_PRESS_BACK_GO_TO_VOICE_ASSIST:
1530                final boolean keyguardActive = mKeyguardDelegate == null
1531                        ? false
1532                        : mKeyguardDelegate.isShowing();
1533                if (!keyguardActive) {
1534                    Intent intent = new Intent(Intent.ACTION_VOICE_ASSIST);
1535                    startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
1536                }
1537                break;
1538        }
1539    }
1540
1541    private void accessibilityShortcutActivated() {
1542        mAccessibilityShortcutController.performAccessibilityShortcut();
1543    }
1544
1545    private void disposeInputConsumer(InputConsumer inputConsumer) {
1546        if (inputConsumer != null) {
1547            inputConsumer.dismiss();
1548        }
1549    }
1550
1551    private void sleepPress(long eventTime) {
1552        if (mShortPressOnSleepBehavior == SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME) {
1553            launchHomeFromHotKey(false /* awakenDreams */, true /*respectKeyguard*/);
1554        }
1555    }
1556
1557    private void sleepRelease(long eventTime) {
1558        switch (mShortPressOnSleepBehavior) {
1559            case SHORT_PRESS_SLEEP_GO_TO_SLEEP:
1560            case SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME:
1561                Slog.i(TAG, "sleepRelease() calling goToSleep(GO_TO_SLEEP_REASON_SLEEP_BUTTON)");
1562                mPowerManager.goToSleep(eventTime,
1563                       PowerManager.GO_TO_SLEEP_REASON_SLEEP_BUTTON, 0);
1564                break;
1565        }
1566    }
1567
1568    private int getResolvedLongPressOnPowerBehavior() {
1569        if (FactoryTest.isLongPressOnPowerOffEnabled()) {
1570            return LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;
1571        }
1572        return mLongPressOnPowerBehavior;
1573    }
1574
1575    private boolean hasLongPressOnPowerBehavior() {
1576        return getResolvedLongPressOnPowerBehavior() != LONG_PRESS_POWER_NOTHING;
1577    }
1578
1579    private boolean hasLongPressOnBackBehavior() {
1580        return mLongPressOnBackBehavior != LONG_PRESS_BACK_NOTHING;
1581    }
1582
1583    private boolean hasPanicPressOnBackBehavior() {
1584        return mPanicPressOnBackBehavior != PANIC_PRESS_BACK_NOTHING;
1585    }
1586
1587    private void interceptScreenshotChord() {
1588        if (mScreenshotChordEnabled
1589                && mScreenshotChordVolumeDownKeyTriggered && mScreenshotChordPowerKeyTriggered
1590                && !mA11yShortcutChordVolumeUpKeyTriggered) {
1591            final long now = SystemClock.uptimeMillis();
1592            if (now <= mScreenshotChordVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS
1593                    && now <= mScreenshotChordPowerKeyTime
1594                            + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS) {
1595                mScreenshotChordVolumeDownKeyConsumed = true;
1596                cancelPendingPowerKeyAction();
1597                mScreenshotRunnable.setScreenshotType(TAKE_SCREENSHOT_FULLSCREEN);
1598                mHandler.postDelayed(mScreenshotRunnable, getScreenshotChordLongPressDelay());
1599            }
1600        }
1601    }
1602
1603    private void interceptAccessibilityShortcutChord() {
1604        if (mAccessibilityShortcutController.isAccessibilityShortcutAvailable(isKeyguardLocked())
1605                && mScreenshotChordVolumeDownKeyTriggered && mA11yShortcutChordVolumeUpKeyTriggered
1606                && !mScreenshotChordPowerKeyTriggered) {
1607            final long now = SystemClock.uptimeMillis();
1608            if (now <= mScreenshotChordVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS
1609                    && now <= mA11yShortcutChordVolumeUpKeyTime
1610                    + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS) {
1611                mScreenshotChordVolumeDownKeyConsumed = true;
1612                mA11yShortcutChordVolumeUpKeyConsumed = true;
1613                mHandler.sendMessageDelayed(mHandler.obtainMessage(MSG_ACCESSIBILITY_SHORTCUT),
1614                        ViewConfiguration.get(mContext).getAccessibilityShortcutKeyTimeout());
1615            }
1616        }
1617    }
1618
1619    private long getScreenshotChordLongPressDelay() {
1620        if (mKeyguardDelegate.isShowing()) {
1621            // Double the time it takes to take a screenshot from the keyguard
1622            return (long) (KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER *
1623                    ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1624        }
1625        return ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout();
1626    }
1627
1628    private void cancelPendingScreenshotChordAction() {
1629        mHandler.removeCallbacks(mScreenshotRunnable);
1630    }
1631
1632    private void cancelPendingAccessibilityShortcutAction() {
1633        mHandler.removeMessages(MSG_ACCESSIBILITY_SHORTCUT);
1634    }
1635
1636    private final Runnable mEndCallLongPress = new Runnable() {
1637        @Override
1638        public void run() {
1639            mEndCallKeyHandled = true;
1640            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1641            showGlobalActionsInternal();
1642        }
1643    };
1644
1645    private class ScreenshotRunnable implements Runnable {
1646        private int mScreenshotType = TAKE_SCREENSHOT_FULLSCREEN;
1647
1648        public void setScreenshotType(int screenshotType) {
1649            mScreenshotType = screenshotType;
1650        }
1651
1652        @Override
1653        public void run() {
1654            takeScreenshot(mScreenshotType);
1655        }
1656    }
1657
1658    private final ScreenshotRunnable mScreenshotRunnable = new ScreenshotRunnable();
1659
1660    @Override
1661    public void showGlobalActions() {
1662        mHandler.removeMessages(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1663        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1664    }
1665
1666    void showGlobalActionsInternal() {
1667        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1668        if (mGlobalActions == null) {
1669            mGlobalActions = new GlobalActions(mContext, mWindowManagerFuncs);
1670        }
1671        final boolean keyguardShowing = isKeyguardShowingAndNotOccluded();
1672        mGlobalActions.showDialog(keyguardShowing, isDeviceProvisioned());
1673        if (keyguardShowing) {
1674            // since it took two seconds of long press to bring this up,
1675            // poke the wake lock so they have some time to see the dialog.
1676            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
1677        }
1678    }
1679
1680    boolean isDeviceProvisioned() {
1681        return Settings.Global.getInt(
1682                mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0;
1683    }
1684
1685    boolean isUserSetupComplete() {
1686        boolean isSetupComplete = Settings.Secure.getIntForUser(mContext.getContentResolver(),
1687                Settings.Secure.USER_SETUP_COMPLETE, 0, UserHandle.USER_CURRENT) != 0;
1688        if (mHasFeatureLeanback) {
1689            isSetupComplete &= isTvUserSetupComplete();
1690        }
1691        return isSetupComplete;
1692    }
1693
1694    private boolean isTvUserSetupComplete() {
1695        return Settings.Secure.getIntForUser(mContext.getContentResolver(),
1696                Settings.Secure.TV_USER_SETUP_COMPLETE, 0, UserHandle.USER_CURRENT) != 0;
1697    }
1698
1699    private void handleShortPressOnHome() {
1700        // Turn on the connected TV and switch HDMI input if we're a HDMI playback device.
1701        final HdmiControl hdmiControl = getHdmiControl();
1702        if (hdmiControl != null) {
1703            hdmiControl.turnOnTv();
1704        }
1705
1706        // If there's a dream running then use home to escape the dream
1707        // but don't actually go home.
1708        if (mDreamManagerInternal != null && mDreamManagerInternal.isDreaming()) {
1709            mDreamManagerInternal.stopDream(false /*immediate*/);
1710            return;
1711        }
1712
1713        // Go home!
1714        launchHomeFromHotKey();
1715    }
1716
1717    /**
1718     * Creates an accessor to HDMI control service that performs the operation of
1719     * turning on TV (optional) and switching input to us. If HDMI control service
1720     * is not available or we're not a HDMI playback device, the operation is no-op.
1721     * @return {@link HdmiControl} instance if available, null otherwise.
1722     */
1723    private HdmiControl getHdmiControl() {
1724        if (null == mHdmiControl) {
1725            if (!mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_HDMI_CEC)) {
1726                return null;
1727            }
1728            HdmiControlManager manager = (HdmiControlManager) mContext.getSystemService(
1729                        Context.HDMI_CONTROL_SERVICE);
1730            HdmiPlaybackClient client = null;
1731            if (manager != null) {
1732                client = manager.getPlaybackClient();
1733            }
1734            mHdmiControl = new HdmiControl(client);
1735        }
1736        return mHdmiControl;
1737    }
1738
1739    private static class HdmiControl {
1740        private final HdmiPlaybackClient mClient;
1741
1742        private HdmiControl(HdmiPlaybackClient client) {
1743            mClient = client;
1744        }
1745
1746        public void turnOnTv() {
1747            if (mClient == null) {
1748                return;
1749            }
1750            mClient.oneTouchPlay(new OneTouchPlayCallback() {
1751                @Override
1752                public void onComplete(int result) {
1753                    if (result != HdmiControlManager.RESULT_SUCCESS) {
1754                        Log.w(TAG, "One touch play failed: " + result);
1755                    }
1756                }
1757            });
1758        }
1759    }
1760
1761    private void handleLongPressOnHome(int deviceId) {
1762        if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_NOTHING) {
1763            return;
1764        }
1765        mHomeConsumed = true;
1766        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1767        switch (mLongPressOnHomeBehavior) {
1768            case LONG_PRESS_HOME_ALL_APPS:
1769                launchAllAppsAction();
1770                break;
1771            case LONG_PRESS_HOME_ASSIST:
1772                launchAssistAction(null, deviceId);
1773                break;
1774            default:
1775                Log.w(TAG, "Undefined home long press behavior: " + mLongPressOnHomeBehavior);
1776                break;
1777        }
1778    }
1779
1780    private void launchAllAppsAction() {
1781        Intent intent = new Intent(Intent.ACTION_ALL_APPS);
1782        startActivityAsUser(intent, UserHandle.CURRENT);
1783    }
1784
1785    private void handleDoubleTapOnHome() {
1786        if (mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1787            mHomeConsumed = true;
1788            toggleRecentApps();
1789        }
1790    }
1791
1792    private void showPictureInPictureMenu(KeyEvent event) {
1793        if (DEBUG_INPUT) Log.d(TAG, "showPictureInPictureMenu event=" + event);
1794        mHandler.removeMessages(MSG_SHOW_PICTURE_IN_PICTURE_MENU);
1795        Message msg = mHandler.obtainMessage(MSG_SHOW_PICTURE_IN_PICTURE_MENU);
1796        msg.setAsynchronous(true);
1797        msg.sendToTarget();
1798    }
1799
1800    private void showPictureInPictureMenuInternal() {
1801        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
1802        if (statusbar != null) {
1803            statusbar.showPictureInPictureMenu();
1804        }
1805    }
1806
1807    private final Runnable mHomeDoubleTapTimeoutRunnable = new Runnable() {
1808        @Override
1809        public void run() {
1810            if (mHomeDoubleTapPending) {
1811                mHomeDoubleTapPending = false;
1812                handleShortPressOnHome();
1813            }
1814        }
1815    };
1816
1817    private boolean isRoundWindow() {
1818        return mContext.getResources().getConfiguration().isScreenRound();
1819    }
1820
1821    /** {@inheritDoc} */
1822    @Override
1823    public void init(Context context, IWindowManager windowManager,
1824            WindowManagerFuncs windowManagerFuncs) {
1825        mContext = context;
1826        mWindowManager = windowManager;
1827        mWindowManagerFuncs = windowManagerFuncs;
1828        mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class);
1829        mActivityManagerInternal = LocalServices.getService(ActivityManagerInternal.class);
1830        mInputManagerInternal = LocalServices.getService(InputManagerInternal.class);
1831        mDreamManagerInternal = LocalServices.getService(DreamManagerInternal.class);
1832        mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class);
1833        mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
1834        mHasFeatureWatch = mContext.getPackageManager().hasSystemFeature(FEATURE_WATCH);
1835        mHasFeatureLeanback = mContext.getPackageManager().hasSystemFeature(FEATURE_LEANBACK);
1836        mAccessibilityShortcutController =
1837                new AccessibilityShortcutController(mContext, new Handler(), mCurrentUserId);
1838        // Init display burn-in protection
1839        boolean burnInProtectionEnabled = context.getResources().getBoolean(
1840                com.android.internal.R.bool.config_enableBurnInProtection);
1841        // Allow a system property to override this. Used by developer settings.
1842        boolean burnInProtectionDevMode =
1843                SystemProperties.getBoolean("persist.debug.force_burn_in", false);
1844        if (burnInProtectionEnabled || burnInProtectionDevMode) {
1845            final int minHorizontal;
1846            final int maxHorizontal;
1847            final int minVertical;
1848            final int maxVertical;
1849            final int maxRadius;
1850            if (burnInProtectionDevMode) {
1851                minHorizontal = -8;
1852                maxHorizontal = 8;
1853                minVertical = -8;
1854                maxVertical = -4;
1855                maxRadius = (isRoundWindow()) ? 6 : -1;
1856            } else {
1857                Resources resources = context.getResources();
1858                minHorizontal = resources.getInteger(
1859                        com.android.internal.R.integer.config_burnInProtectionMinHorizontalOffset);
1860                maxHorizontal = resources.getInteger(
1861                        com.android.internal.R.integer.config_burnInProtectionMaxHorizontalOffset);
1862                minVertical = resources.getInteger(
1863                        com.android.internal.R.integer.config_burnInProtectionMinVerticalOffset);
1864                maxVertical = resources.getInteger(
1865                        com.android.internal.R.integer.config_burnInProtectionMaxVerticalOffset);
1866                maxRadius = resources.getInteger(
1867                        com.android.internal.R.integer.config_burnInProtectionMaxRadius);
1868            }
1869            mBurnInProtectionHelper = new BurnInProtectionHelper(
1870                    context, minHorizontal, maxHorizontal, minVertical, maxVertical, maxRadius);
1871        }
1872
1873        mHandler = new PolicyHandler();
1874        mWakeGestureListener = new MyWakeGestureListener(mContext, mHandler);
1875        mOrientationListener = new MyOrientationListener(mContext, mHandler);
1876        try {
1877            mOrientationListener.setCurrentRotation(windowManager.getDefaultDisplayRotation());
1878        } catch (RemoteException ex) { }
1879        mSettingsObserver = new SettingsObserver(mHandler);
1880        mSettingsObserver.observe();
1881        mShortcutManager = new ShortcutManager(context);
1882        mUiMode = context.getResources().getInteger(
1883                com.android.internal.R.integer.config_defaultUiModeType);
1884        mHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
1885        mHomeIntent.addCategory(Intent.CATEGORY_HOME);
1886        mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1887                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1888        mEnableCarDockHomeCapture = context.getResources().getBoolean(
1889                com.android.internal.R.bool.config_enableCarDockHomeLaunch);
1890        mCarDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1891        mCarDockIntent.addCategory(Intent.CATEGORY_CAR_DOCK);
1892        mCarDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1893                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1894        mDeskDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1895        mDeskDockIntent.addCategory(Intent.CATEGORY_DESK_DOCK);
1896        mDeskDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1897                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1898        mVrHeadsetHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
1899        mVrHeadsetHomeIntent.addCategory(Intent.CATEGORY_VR_HOME);
1900        mVrHeadsetHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1901                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1902
1903        mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
1904        mBroadcastWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1905                "PhoneWindowManager.mBroadcastWakeLock");
1906        mPowerKeyWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1907                "PhoneWindowManager.mPowerKeyWakeLock");
1908        mEnableShiftMenuBugReports = "1".equals(SystemProperties.get("ro.debuggable"));
1909        mSupportAutoRotation = mContext.getResources().getBoolean(
1910                com.android.internal.R.bool.config_supportAutoRotation);
1911        mLidOpenRotation = readRotation(
1912                com.android.internal.R.integer.config_lidOpenRotation);
1913        mCarDockRotation = readRotation(
1914                com.android.internal.R.integer.config_carDockRotation);
1915        mDeskDockRotation = readRotation(
1916                com.android.internal.R.integer.config_deskDockRotation);
1917        mUndockedHdmiRotation = readRotation(
1918                com.android.internal.R.integer.config_undockedHdmiRotation);
1919        mCarDockEnablesAccelerometer = mContext.getResources().getBoolean(
1920                com.android.internal.R.bool.config_carDockEnablesAccelerometer);
1921        mDeskDockEnablesAccelerometer = mContext.getResources().getBoolean(
1922                com.android.internal.R.bool.config_deskDockEnablesAccelerometer);
1923        mLidKeyboardAccessibility = mContext.getResources().getInteger(
1924                com.android.internal.R.integer.config_lidKeyboardAccessibility);
1925        mLidNavigationAccessibility = mContext.getResources().getInteger(
1926                com.android.internal.R.integer.config_lidNavigationAccessibility);
1927        mLidControlsScreenLock = mContext.getResources().getBoolean(
1928                com.android.internal.R.bool.config_lidControlsScreenLock);
1929        mLidControlsSleep = mContext.getResources().getBoolean(
1930                com.android.internal.R.bool.config_lidControlsSleep);
1931        mTranslucentDecorEnabled = mContext.getResources().getBoolean(
1932                com.android.internal.R.bool.config_enableTranslucentDecor);
1933
1934        mAllowTheaterModeWakeFromKey = mContext.getResources().getBoolean(
1935                com.android.internal.R.bool.config_allowTheaterModeWakeFromKey);
1936        mAllowTheaterModeWakeFromPowerKey = mAllowTheaterModeWakeFromKey
1937                || mContext.getResources().getBoolean(
1938                    com.android.internal.R.bool.config_allowTheaterModeWakeFromPowerKey);
1939        mAllowTheaterModeWakeFromMotion = mContext.getResources().getBoolean(
1940                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotion);
1941        mAllowTheaterModeWakeFromMotionWhenNotDreaming = mContext.getResources().getBoolean(
1942                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotionWhenNotDreaming);
1943        mAllowTheaterModeWakeFromCameraLens = mContext.getResources().getBoolean(
1944                com.android.internal.R.bool.config_allowTheaterModeWakeFromCameraLens);
1945        mAllowTheaterModeWakeFromLidSwitch = mContext.getResources().getBoolean(
1946                com.android.internal.R.bool.config_allowTheaterModeWakeFromLidSwitch);
1947        mAllowTheaterModeWakeFromWakeGesture = mContext.getResources().getBoolean(
1948                com.android.internal.R.bool.config_allowTheaterModeWakeFromGesture);
1949
1950        mGoToSleepOnButtonPressTheaterMode = mContext.getResources().getBoolean(
1951                com.android.internal.R.bool.config_goToSleepOnButtonPressTheaterMode);
1952
1953        mSupportLongPressPowerWhenNonInteractive = mContext.getResources().getBoolean(
1954                com.android.internal.R.bool.config_supportLongPressPowerWhenNonInteractive);
1955
1956        mLongPressOnBackBehavior = mContext.getResources().getInteger(
1957                com.android.internal.R.integer.config_longPressOnBackBehavior);
1958        mPanicPressOnBackBehavior = mContext.getResources().getInteger(
1959                com.android.internal.R.integer.config_backPanicBehavior);
1960
1961        mShortPressOnPowerBehavior = mContext.getResources().getInteger(
1962                com.android.internal.R.integer.config_shortPressOnPowerBehavior);
1963        mLongPressOnPowerBehavior = mContext.getResources().getInteger(
1964                com.android.internal.R.integer.config_longPressOnPowerBehavior);
1965        mDoublePressOnPowerBehavior = mContext.getResources().getInteger(
1966                com.android.internal.R.integer.config_doublePressOnPowerBehavior);
1967        mTriplePressOnPowerBehavior = mContext.getResources().getInteger(
1968                com.android.internal.R.integer.config_triplePressOnPowerBehavior);
1969        mShortPressOnSleepBehavior = mContext.getResources().getInteger(
1970                com.android.internal.R.integer.config_shortPressOnSleepBehavior);
1971
1972        mUseTvRouting = AudioSystem.getPlatformType(mContext) == AudioSystem.PLATFORM_TELEVISION;
1973
1974        mHandleVolumeKeysInWM = mContext.getResources().getBoolean(
1975                com.android.internal.R.bool.config_handleVolumeKeysInWindowManager);
1976
1977        readConfigurationDependentBehaviors();
1978
1979        mAccessibilityManager = (AccessibilityManager) context.getSystemService(
1980                Context.ACCESSIBILITY_SERVICE);
1981
1982        // register for dock events
1983        IntentFilter filter = new IntentFilter();
1984        filter.addAction(UiModeManager.ACTION_ENTER_CAR_MODE);
1985        filter.addAction(UiModeManager.ACTION_EXIT_CAR_MODE);
1986        filter.addAction(UiModeManager.ACTION_ENTER_DESK_MODE);
1987        filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
1988        filter.addAction(Intent.ACTION_DOCK_EVENT);
1989        Intent intent = context.registerReceiver(mDockReceiver, filter);
1990        if (intent != null) {
1991            // Retrieve current sticky dock event broadcast.
1992            mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
1993                    Intent.EXTRA_DOCK_STATE_UNDOCKED);
1994        }
1995
1996        // register for dream-related broadcasts
1997        filter = new IntentFilter();
1998        filter.addAction(Intent.ACTION_DREAMING_STARTED);
1999        filter.addAction(Intent.ACTION_DREAMING_STOPPED);
2000        context.registerReceiver(mDreamReceiver, filter);
2001
2002        // register for multiuser-relevant broadcasts
2003        filter = new IntentFilter(Intent.ACTION_USER_SWITCHED);
2004        context.registerReceiver(mMultiuserReceiver, filter);
2005
2006        // monitor for system gestures
2007        mSystemGestures = new SystemGesturesPointerEventListener(context,
2008                new SystemGesturesPointerEventListener.Callbacks() {
2009                    @Override
2010                    public void onSwipeFromTop() {
2011                        if (mStatusBar != null) {
2012                            requestTransientBars(mStatusBar);
2013                        }
2014                    }
2015                    @Override
2016                    public void onSwipeFromBottom() {
2017                        if (mNavigationBar != null && mNavigationBarPosition == NAV_BAR_BOTTOM) {
2018                            requestTransientBars(mNavigationBar);
2019                        }
2020                    }
2021                    @Override
2022                    public void onSwipeFromRight() {
2023                        if (mNavigationBar != null && mNavigationBarPosition == NAV_BAR_RIGHT) {
2024                            requestTransientBars(mNavigationBar);
2025                        }
2026                    }
2027                    @Override
2028                    public void onSwipeFromLeft() {
2029                        if (mNavigationBar != null && mNavigationBarPosition == NAV_BAR_LEFT) {
2030                            requestTransientBars(mNavigationBar);
2031                        }
2032                    }
2033                    @Override
2034                    public void onFling(int duration) {
2035                        if (mPowerManagerInternal != null) {
2036                            mPowerManagerInternal.powerHint(
2037                                    PowerHint.INTERACTION, duration);
2038                        }
2039                    }
2040                    @Override
2041                    public void onDebug() {
2042                        // no-op
2043                    }
2044                    @Override
2045                    public void onDown() {
2046                        mOrientationListener.onTouchStart();
2047                    }
2048                    @Override
2049                    public void onUpOrCancel() {
2050                        mOrientationListener.onTouchEnd();
2051                    }
2052                    @Override
2053                    public void onMouseHoverAtTop() {
2054                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
2055                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
2056                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS;
2057                        mHandler.sendMessageDelayed(msg, 500);
2058                    }
2059                    @Override
2060                    public void onMouseHoverAtBottom() {
2061                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
2062                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
2063                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION;
2064                        mHandler.sendMessageDelayed(msg, 500);
2065                    }
2066                    @Override
2067                    public void onMouseLeaveFromEdge() {
2068                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
2069                    }
2070                });
2071        mImmersiveModeConfirmation = new ImmersiveModeConfirmation(mContext);
2072        mWindowManagerFuncs.registerPointerEventListener(mSystemGestures);
2073
2074        mVibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE);
2075        mLongPressVibePattern = getLongIntArray(mContext.getResources(),
2076                com.android.internal.R.array.config_longPressVibePattern);
2077        mCalendarDateVibePattern = getLongIntArray(mContext.getResources(),
2078                com.android.internal.R.array.config_calendarDateVibePattern);
2079        mSafeModeDisabledVibePattern = getLongIntArray(mContext.getResources(),
2080                com.android.internal.R.array.config_safeModeDisabledVibePattern);
2081        mSafeModeEnabledVibePattern = getLongIntArray(mContext.getResources(),
2082                com.android.internal.R.array.config_safeModeEnabledVibePattern);
2083
2084        mScreenshotChordEnabled = mContext.getResources().getBoolean(
2085                com.android.internal.R.bool.config_enableScreenshotChord);
2086
2087        mGlobalKeyManager = new GlobalKeyManager(mContext);
2088
2089        // Controls rotation and the like.
2090        initializeHdmiState();
2091
2092        // Match current screen state.
2093        if (!mPowerManager.isInteractive()) {
2094            startedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
2095            finishedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
2096        }
2097
2098        mWindowManagerInternal.registerAppTransitionListener(
2099                mStatusBarController.getAppTransitionListener());
2100        mWindowManagerInternal.registerAppTransitionListener(new AppTransitionListener() {
2101            @Override
2102            public int onAppTransitionStartingLocked(int transit, IBinder openToken,
2103                    IBinder closeToken,
2104                    Animation openAnimation, Animation closeAnimation) {
2105                return handleStartTransitionForKeyguardLw(transit, openAnimation);
2106            }
2107
2108            @Override
2109            public void onAppTransitionCancelledLocked(int transit) {
2110                handleStartTransitionForKeyguardLw(transit, null /* transit */);
2111            }
2112        });
2113        mKeyguardDelegate = new KeyguardServiceDelegate(mContext,
2114                new StateCallback() {
2115                    @Override
2116                    public void onTrustedChanged() {
2117                        mWindowManagerFuncs.notifyKeyguardTrustedChanged();
2118                    }
2119                });
2120    }
2121
2122    /**
2123     * Read values from config.xml that may be overridden depending on
2124     * the configuration of the device.
2125     * eg. Disable long press on home goes to recents on sw600dp.
2126     */
2127    private void readConfigurationDependentBehaviors() {
2128        final Resources res = mContext.getResources();
2129
2130        mLongPressOnHomeBehavior = res.getInteger(
2131                com.android.internal.R.integer.config_longPressOnHomeBehavior);
2132        if (mLongPressOnHomeBehavior < LONG_PRESS_HOME_NOTHING ||
2133                mLongPressOnHomeBehavior > LAST_LONG_PRESS_HOME_BEHAVIOR) {
2134            mLongPressOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
2135        }
2136
2137        mDoubleTapOnHomeBehavior = res.getInteger(
2138                com.android.internal.R.integer.config_doubleTapOnHomeBehavior);
2139        if (mDoubleTapOnHomeBehavior < DOUBLE_TAP_HOME_NOTHING ||
2140                mDoubleTapOnHomeBehavior > DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
2141            mDoubleTapOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
2142        }
2143
2144        mShortPressWindowBehavior = SHORT_PRESS_WINDOW_NOTHING;
2145        if (mContext.getPackageManager().hasSystemFeature(FEATURE_PICTURE_IN_PICTURE)) {
2146            mShortPressWindowBehavior = SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE;
2147        }
2148
2149        mNavBarOpacityMode = res.getInteger(
2150                com.android.internal.R.integer.config_navBarOpacityMode);
2151    }
2152
2153    @Override
2154    public void setInitialDisplaySize(Display display, int width, int height, int density) {
2155        // This method might be called before the policy has been fully initialized
2156        // or for other displays we don't care about.
2157        // TODO(multi-display): Define policy for secondary displays.
2158        if (mContext == null || display.getDisplayId() != Display.DEFAULT_DISPLAY) {
2159            return;
2160        }
2161        mDisplay = display;
2162
2163        final Resources res = mContext.getResources();
2164        int shortSize, longSize;
2165        if (width > height) {
2166            shortSize = height;
2167            longSize = width;
2168            mLandscapeRotation = Surface.ROTATION_0;
2169            mSeascapeRotation = Surface.ROTATION_180;
2170            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
2171                mPortraitRotation = Surface.ROTATION_90;
2172                mUpsideDownRotation = Surface.ROTATION_270;
2173            } else {
2174                mPortraitRotation = Surface.ROTATION_270;
2175                mUpsideDownRotation = Surface.ROTATION_90;
2176            }
2177        } else {
2178            shortSize = width;
2179            longSize = height;
2180            mPortraitRotation = Surface.ROTATION_0;
2181            mUpsideDownRotation = Surface.ROTATION_180;
2182            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
2183                mLandscapeRotation = Surface.ROTATION_270;
2184                mSeascapeRotation = Surface.ROTATION_90;
2185            } else {
2186                mLandscapeRotation = Surface.ROTATION_90;
2187                mSeascapeRotation = Surface.ROTATION_270;
2188            }
2189        }
2190
2191        // SystemUI (status bar) layout policy
2192        int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT / density;
2193        int longSizeDp = longSize * DisplayMetrics.DENSITY_DEFAULT / density;
2194
2195        // Allow the navigation bar to move on non-square small devices (phones).
2196        mNavigationBarCanMove = width != height && shortSizeDp < 600;
2197
2198        mHasNavigationBar = res.getBoolean(com.android.internal.R.bool.config_showNavigationBar);
2199
2200        // Allow a system property to override this. Used by the emulator.
2201        // See also hasNavigationBar().
2202        String navBarOverride = SystemProperties.get("qemu.hw.mainkeys");
2203        if ("1".equals(navBarOverride)) {
2204            mHasNavigationBar = false;
2205        } else if ("0".equals(navBarOverride)) {
2206            mHasNavigationBar = true;
2207        }
2208
2209        // For demo purposes, allow the rotation of the HDMI display to be controlled.
2210        // By default, HDMI locks rotation to landscape.
2211        if ("portrait".equals(SystemProperties.get("persist.demo.hdmirotation"))) {
2212            mDemoHdmiRotation = mPortraitRotation;
2213        } else {
2214            mDemoHdmiRotation = mLandscapeRotation;
2215        }
2216        mDemoHdmiRotationLock = SystemProperties.getBoolean("persist.demo.hdmirotationlock", false);
2217
2218        // For demo purposes, allow the rotation of the remote display to be controlled.
2219        // By default, remote display locks rotation to landscape.
2220        if ("portrait".equals(SystemProperties.get("persist.demo.remoterotation"))) {
2221            mDemoRotation = mPortraitRotation;
2222        } else {
2223            mDemoRotation = mLandscapeRotation;
2224        }
2225        mDemoRotationLock = SystemProperties.getBoolean(
2226                "persist.demo.rotationlock", false);
2227
2228        // Only force the default orientation if the screen is xlarge, at least 960dp x 720dp, per
2229        // http://developer.android.com/guide/practices/screens_support.html#range
2230        mForceDefaultOrientation = longSizeDp >= 960 && shortSizeDp >= 720 &&
2231                res.getBoolean(com.android.internal.R.bool.config_forceDefaultOrientation) &&
2232                // For debug purposes the next line turns this feature off with:
2233                // $ adb shell setprop config.override_forced_orient true
2234                // $ adb shell wm size reset
2235                !"true".equals(SystemProperties.get("config.override_forced_orient"));
2236    }
2237
2238    /**
2239     * @return whether the navigation bar can be hidden, e.g. the device has a
2240     *         navigation bar and touch exploration is not enabled
2241     */
2242    private boolean canHideNavigationBar() {
2243        return mHasNavigationBar;
2244    }
2245
2246    @Override
2247    public boolean isDefaultOrientationForced() {
2248        return mForceDefaultOrientation;
2249    }
2250
2251    @Override
2252    public void setDisplayOverscan(Display display, int left, int top, int right, int bottom) {
2253        // TODO(multi-display): Define policy for secondary displays.
2254        if (display.getDisplayId() == Display.DEFAULT_DISPLAY) {
2255            mOverscanLeft = left;
2256            mOverscanTop = top;
2257            mOverscanRight = right;
2258            mOverscanBottom = bottom;
2259        }
2260    }
2261
2262    public void updateSettings() {
2263        ContentResolver resolver = mContext.getContentResolver();
2264        boolean updateRotation = false;
2265        synchronized (mLock) {
2266            mEndcallBehavior = Settings.System.getIntForUser(resolver,
2267                    Settings.System.END_BUTTON_BEHAVIOR,
2268                    Settings.System.END_BUTTON_BEHAVIOR_DEFAULT,
2269                    UserHandle.USER_CURRENT);
2270            mIncallPowerBehavior = Settings.Secure.getIntForUser(resolver,
2271                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
2272                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT,
2273                    UserHandle.USER_CURRENT);
2274            mIncallBackBehavior = Settings.Secure.getIntForUser(resolver,
2275                    Settings.Secure.INCALL_BACK_BUTTON_BEHAVIOR,
2276                    Settings.Secure.INCALL_BACK_BUTTON_BEHAVIOR_DEFAULT,
2277                    UserHandle.USER_CURRENT);
2278
2279            // Configure wake gesture.
2280            boolean wakeGestureEnabledSetting = Settings.Secure.getIntForUser(resolver,
2281                    Settings.Secure.WAKE_GESTURE_ENABLED, 0,
2282                    UserHandle.USER_CURRENT) != 0;
2283            if (mWakeGestureEnabledSetting != wakeGestureEnabledSetting) {
2284                mWakeGestureEnabledSetting = wakeGestureEnabledSetting;
2285                updateWakeGestureListenerLp();
2286            }
2287
2288            // Configure rotation lock.
2289            int userRotation = Settings.System.getIntForUser(resolver,
2290                    Settings.System.USER_ROTATION, Surface.ROTATION_0,
2291                    UserHandle.USER_CURRENT);
2292            if (mUserRotation != userRotation) {
2293                mUserRotation = userRotation;
2294                updateRotation = true;
2295            }
2296            int userRotationMode = Settings.System.getIntForUser(resolver,
2297                    Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
2298                            WindowManagerPolicy.USER_ROTATION_FREE :
2299                                    WindowManagerPolicy.USER_ROTATION_LOCKED;
2300            if (mUserRotationMode != userRotationMode) {
2301                mUserRotationMode = userRotationMode;
2302                updateRotation = true;
2303                updateOrientationListenerLp();
2304            }
2305
2306            if (mSystemReady) {
2307                int pointerLocation = Settings.System.getIntForUser(resolver,
2308                        Settings.System.POINTER_LOCATION, 0, UserHandle.USER_CURRENT);
2309                if (mPointerLocationMode != pointerLocation) {
2310                    mPointerLocationMode = pointerLocation;
2311                    mHandler.sendEmptyMessage(pointerLocation != 0 ?
2312                            MSG_ENABLE_POINTER_LOCATION : MSG_DISABLE_POINTER_LOCATION);
2313                }
2314            }
2315            // use screen off timeout setting as the timeout for the lockscreen
2316            mLockScreenTimeout = Settings.System.getIntForUser(resolver,
2317                    Settings.System.SCREEN_OFF_TIMEOUT, 0, UserHandle.USER_CURRENT);
2318            String imId = Settings.Secure.getStringForUser(resolver,
2319                    Settings.Secure.DEFAULT_INPUT_METHOD, UserHandle.USER_CURRENT);
2320            boolean hasSoftInput = imId != null && imId.length() > 0;
2321            if (mHasSoftInput != hasSoftInput) {
2322                mHasSoftInput = hasSoftInput;
2323                updateRotation = true;
2324            }
2325            if (mImmersiveModeConfirmation != null) {
2326                mImmersiveModeConfirmation.loadSetting(mCurrentUserId);
2327            }
2328        }
2329        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
2330            PolicyControl.reloadFromSetting(mContext);
2331        }
2332        if (updateRotation) {
2333            updateRotation(true);
2334        }
2335    }
2336
2337    private void updateWakeGestureListenerLp() {
2338        if (shouldEnableWakeGestureLp()) {
2339            mWakeGestureListener.requestWakeUpTrigger();
2340        } else {
2341            mWakeGestureListener.cancelWakeUpTrigger();
2342        }
2343    }
2344
2345    private boolean shouldEnableWakeGestureLp() {
2346        return mWakeGestureEnabledSetting && !mAwake
2347                && (!mLidControlsSleep || mLidState != LID_CLOSED)
2348                && mWakeGestureListener.isSupported();
2349    }
2350
2351    private void enablePointerLocation() {
2352        if (mPointerLocationView == null) {
2353            mPointerLocationView = new PointerLocationView(mContext);
2354            mPointerLocationView.setPrintCoords(false);
2355            WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
2356                    WindowManager.LayoutParams.MATCH_PARENT,
2357                    WindowManager.LayoutParams.MATCH_PARENT);
2358            lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
2359            lp.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN
2360                    | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
2361                    | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
2362                    | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
2363            if (ActivityManager.isHighEndGfx()) {
2364                lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
2365                lp.privateFlags |=
2366                        WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED;
2367            }
2368            lp.format = PixelFormat.TRANSLUCENT;
2369            lp.setTitle("PointerLocation");
2370            WindowManager wm = (WindowManager) mContext.getSystemService(WINDOW_SERVICE);
2371            lp.inputFeatures |= WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL;
2372            wm.addView(mPointerLocationView, lp);
2373            mWindowManagerFuncs.registerPointerEventListener(mPointerLocationView);
2374        }
2375    }
2376
2377    private void disablePointerLocation() {
2378        if (mPointerLocationView != null) {
2379            mWindowManagerFuncs.unregisterPointerEventListener(mPointerLocationView);
2380            WindowManager wm = (WindowManager) mContext.getSystemService(WINDOW_SERVICE);
2381            wm.removeView(mPointerLocationView);
2382            mPointerLocationView = null;
2383        }
2384    }
2385
2386    private int readRotation(int resID) {
2387        try {
2388            int rotation = mContext.getResources().getInteger(resID);
2389            switch (rotation) {
2390                case 0:
2391                    return Surface.ROTATION_0;
2392                case 90:
2393                    return Surface.ROTATION_90;
2394                case 180:
2395                    return Surface.ROTATION_180;
2396                case 270:
2397                    return Surface.ROTATION_270;
2398            }
2399        } catch (Resources.NotFoundException e) {
2400            // fall through
2401        }
2402        return -1;
2403    }
2404
2405    /** {@inheritDoc} */
2406    @Override
2407    public int checkAddPermission(WindowManager.LayoutParams attrs, int[] outAppOp) {
2408        int type = attrs.type;
2409
2410        outAppOp[0] = AppOpsManager.OP_NONE;
2411
2412        if (!((type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW)
2413                || (type >= FIRST_SUB_WINDOW && type <= LAST_SUB_WINDOW)
2414                || (type >= FIRST_SYSTEM_WINDOW && type <= LAST_SYSTEM_WINDOW))) {
2415            return WindowManagerGlobal.ADD_INVALID_TYPE;
2416        }
2417
2418        if (type < FIRST_SYSTEM_WINDOW || type > LAST_SYSTEM_WINDOW) {
2419            // Window manager will make sure these are okay.
2420            return ADD_OKAY;
2421        }
2422
2423        if (!isSystemAlertWindowType(type)) {
2424            switch (type) {
2425                case TYPE_TOAST:
2426                    // Only apps that target older than O SDK can add window without a token, after
2427                    // that we require a token so apps cannot add toasts directly as the token is
2428                    // added by the notification system.
2429                    // Window manager does the checking for this.
2430                    outAppOp[0] = OP_TOAST_WINDOW;
2431                    return ADD_OKAY;
2432                case TYPE_DREAM:
2433                case TYPE_INPUT_METHOD:
2434                case TYPE_WALLPAPER:
2435                case TYPE_PRESENTATION:
2436                case TYPE_PRIVATE_PRESENTATION:
2437                case TYPE_VOICE_INTERACTION:
2438                case TYPE_ACCESSIBILITY_OVERLAY:
2439                case TYPE_QS_DIALOG:
2440                    // The window manager will check these.
2441                    return ADD_OKAY;
2442            }
2443            return mContext.checkCallingOrSelfPermission(INTERNAL_SYSTEM_WINDOW)
2444                    == PERMISSION_GRANTED ? ADD_OKAY : ADD_PERMISSION_DENIED;
2445        }
2446
2447        // Things get a little more interesting for alert windows...
2448        outAppOp[0] = OP_SYSTEM_ALERT_WINDOW;
2449
2450        final int callingUid = Binder.getCallingUid();
2451        // system processes will be automatically granted privilege to draw
2452        if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) {
2453            return ADD_OKAY;
2454        }
2455
2456        ApplicationInfo appInfo;
2457        try {
2458            appInfo = mContext.getPackageManager().getApplicationInfoAsUser(
2459                            attrs.packageName,
2460                            0 /* flags */,
2461                            UserHandle.getUserId(callingUid));
2462        } catch (PackageManager.NameNotFoundException e) {
2463            appInfo = null;
2464        }
2465
2466        if (appInfo == null || (type != TYPE_APPLICATION_OVERLAY && appInfo.targetSdkVersion >= O)) {
2467            /**
2468             * Apps targeting >= {@link Build.VERSION_CODES#O} are required to hold
2469             * {@link android.Manifest.permission#INTERNAL_SYSTEM_WINDOW} (system signature apps)
2470             * permission to add alert windows that aren't
2471             * {@link android.view.WindowManager.LayoutParams#TYPE_APPLICATION_OVERLAY}.
2472             */
2473            return (mContext.checkCallingOrSelfPermission(INTERNAL_SYSTEM_WINDOW)
2474                    == PERMISSION_GRANTED) ? ADD_OKAY : ADD_PERMISSION_DENIED;
2475        }
2476
2477        // check if user has enabled this operation. SecurityException will be thrown if this app
2478        // has not been allowed by the user
2479        final int mode = mAppOpsManager.checkOpNoThrow(outAppOp[0], callingUid, attrs.packageName);
2480        switch (mode) {
2481            case AppOpsManager.MODE_ALLOWED:
2482            case AppOpsManager.MODE_IGNORED:
2483                // although we return ADD_OKAY for MODE_IGNORED, the added window will
2484                // actually be hidden in WindowManagerService
2485                return ADD_OKAY;
2486            case AppOpsManager.MODE_ERRORED:
2487                // Don't crash legacy apps
2488                if (appInfo.targetSdkVersion < M) {
2489                    return ADD_OKAY;
2490                }
2491                return ADD_PERMISSION_DENIED;
2492            default:
2493                // in the default mode, we will make a decision here based on
2494                // checkCallingPermission()
2495                return (mContext.checkCallingOrSelfPermission(SYSTEM_ALERT_WINDOW)
2496                        == PERMISSION_GRANTED) ? ADD_OKAY : ADD_PERMISSION_DENIED;
2497        }
2498    }
2499
2500    @Override
2501    public boolean checkShowToOwnerOnly(WindowManager.LayoutParams attrs) {
2502
2503        // If this switch statement is modified, modify the comment in the declarations of
2504        // the type in {@link WindowManager.LayoutParams} as well.
2505        switch (attrs.type) {
2506            default:
2507                // These are the windows that by default are shown only to the user that created
2508                // them. If this needs to be overridden, set
2509                // {@link WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS} in
2510                // {@link WindowManager.LayoutParams}. Note that permission
2511                // {@link android.Manifest.permission.INTERNAL_SYSTEM_WINDOW} is required as well.
2512                if ((attrs.privateFlags & PRIVATE_FLAG_SHOW_FOR_ALL_USERS) == 0) {
2513                    return true;
2514                }
2515                break;
2516
2517            // These are the windows that by default are shown to all users. However, to
2518            // protect against spoofing, check permissions below.
2519            case TYPE_APPLICATION_STARTING:
2520            case TYPE_BOOT_PROGRESS:
2521            case TYPE_DISPLAY_OVERLAY:
2522            case TYPE_INPUT_CONSUMER:
2523            case TYPE_KEYGUARD_DIALOG:
2524            case TYPE_MAGNIFICATION_OVERLAY:
2525            case TYPE_NAVIGATION_BAR:
2526            case TYPE_NAVIGATION_BAR_PANEL:
2527            case TYPE_PHONE:
2528            case TYPE_POINTER:
2529            case TYPE_PRIORITY_PHONE:
2530            case TYPE_SEARCH_BAR:
2531            case TYPE_STATUS_BAR:
2532            case TYPE_STATUS_BAR_PANEL:
2533            case TYPE_STATUS_BAR_SUB_PANEL:
2534            case TYPE_SYSTEM_DIALOG:
2535            case TYPE_VOLUME_OVERLAY:
2536            case TYPE_PRESENTATION:
2537            case TYPE_PRIVATE_PRESENTATION:
2538            case TYPE_DOCK_DIVIDER:
2539                break;
2540        }
2541
2542        // Check if third party app has set window to system window type.
2543        return mContext.checkCallingOrSelfPermission(INTERNAL_SYSTEM_WINDOW) != PERMISSION_GRANTED;
2544    }
2545
2546    @Override
2547    public void adjustWindowParamsLw(WindowManager.LayoutParams attrs) {
2548        switch (attrs.type) {
2549            case TYPE_SYSTEM_OVERLAY:
2550            case TYPE_SECURE_SYSTEM_OVERLAY:
2551                // These types of windows can't receive input events.
2552                attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
2553                        | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
2554                attrs.flags &= ~WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
2555                break;
2556            case TYPE_STATUS_BAR:
2557
2558                // If the Keyguard is in a hidden state (occluded by another window), we force to
2559                // remove the wallpaper and keyguard flag so that any change in-flight after setting
2560                // the keyguard as occluded wouldn't set these flags again.
2561                // See {@link #processKeyguardSetHiddenResultLw}.
2562                if (mKeyguardOccluded) {
2563                    attrs.flags &= ~WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
2564                    attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2565                }
2566                break;
2567
2568            case TYPE_SCREENSHOT:
2569                attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE;
2570                break;
2571
2572            case TYPE_TOAST:
2573                // While apps should use the dedicated toast APIs to add such windows
2574                // it possible legacy apps to add the window directly. Therefore, we
2575                // make windows added directly by the app behave as a toast as much
2576                // as possible in terms of timeout and animation.
2577                if (attrs.hideTimeoutMilliseconds < 0
2578                        || attrs.hideTimeoutMilliseconds > TOAST_WINDOW_TIMEOUT) {
2579                    attrs.hideTimeoutMilliseconds = TOAST_WINDOW_TIMEOUT;
2580                }
2581                attrs.windowAnimations = com.android.internal.R.style.Animation_Toast;
2582                break;
2583        }
2584
2585        if (attrs.type != TYPE_STATUS_BAR) {
2586            // The status bar is the only window allowed to exhibit keyguard behavior.
2587            attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2588        }
2589
2590        if (ActivityManager.isHighEndGfx()) {
2591            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0) {
2592                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
2593            }
2594            final boolean forceWindowDrawsStatusBarBackground =
2595                    (attrs.privateFlags & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND)
2596                            != 0;
2597            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0
2598                    || forceWindowDrawsStatusBarBackground
2599                            && attrs.height == MATCH_PARENT && attrs.width == MATCH_PARENT) {
2600                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
2601            }
2602        }
2603    }
2604
2605    void readLidState() {
2606        mLidState = mWindowManagerFuncs.getLidState();
2607    }
2608
2609    private void readCameraLensCoverState() {
2610        mCameraLensCoverState = mWindowManagerFuncs.getCameraLensCoverState();
2611    }
2612
2613    private boolean isHidden(int accessibilityMode) {
2614        switch (accessibilityMode) {
2615            case 1:
2616                return mLidState == LID_CLOSED;
2617            case 2:
2618                return mLidState == LID_OPEN;
2619            default:
2620                return false;
2621        }
2622    }
2623
2624    /** {@inheritDoc} */
2625    @Override
2626    public void adjustConfigurationLw(Configuration config, int keyboardPresence,
2627            int navigationPresence) {
2628        mHaveBuiltInKeyboard = (keyboardPresence & PRESENCE_INTERNAL) != 0;
2629
2630        readConfigurationDependentBehaviors();
2631        readLidState();
2632
2633        if (config.keyboard == Configuration.KEYBOARD_NOKEYS
2634                || (keyboardPresence == PRESENCE_INTERNAL
2635                        && isHidden(mLidKeyboardAccessibility))) {
2636            config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_YES;
2637            if (!mHasSoftInput) {
2638                config.keyboardHidden = Configuration.KEYBOARDHIDDEN_YES;
2639            }
2640        }
2641
2642        if (config.navigation == Configuration.NAVIGATION_NONAV
2643                || (navigationPresence == PRESENCE_INTERNAL
2644                        && isHidden(mLidNavigationAccessibility))) {
2645            config.navigationHidden = Configuration.NAVIGATIONHIDDEN_YES;
2646        }
2647    }
2648
2649    @Override
2650    public void onConfigurationChanged() {
2651        // TODO(multi-display): Define policy for secondary displays.
2652        final Resources res = mContext.getResources();
2653
2654        mStatusBarHeight =
2655                res.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
2656
2657        // Height of the navigation bar when presented horizontally at bottom
2658        mNavigationBarHeightForRotationDefault[mPortraitRotation] =
2659        mNavigationBarHeightForRotationDefault[mUpsideDownRotation] =
2660                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_height);
2661        mNavigationBarHeightForRotationDefault[mLandscapeRotation] =
2662        mNavigationBarHeightForRotationDefault[mSeascapeRotation] = res.getDimensionPixelSize(
2663                com.android.internal.R.dimen.navigation_bar_height_landscape);
2664
2665        // Width of the navigation bar when presented vertically along one side
2666        mNavigationBarWidthForRotationDefault[mPortraitRotation] =
2667        mNavigationBarWidthForRotationDefault[mUpsideDownRotation] =
2668        mNavigationBarWidthForRotationDefault[mLandscapeRotation] =
2669        mNavigationBarWidthForRotationDefault[mSeascapeRotation] =
2670                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_width);
2671
2672        if (ALTERNATE_CAR_MODE_NAV_SIZE) {
2673            // Height of the navigation bar when presented horizontally at bottom
2674            mNavigationBarHeightForRotationInCarMode[mPortraitRotation] =
2675            mNavigationBarHeightForRotationInCarMode[mUpsideDownRotation] =
2676                    res.getDimensionPixelSize(
2677                            com.android.internal.R.dimen.navigation_bar_height_car_mode);
2678            mNavigationBarHeightForRotationInCarMode[mLandscapeRotation] =
2679            mNavigationBarHeightForRotationInCarMode[mSeascapeRotation] = res.getDimensionPixelSize(
2680                    com.android.internal.R.dimen.navigation_bar_height_landscape_car_mode);
2681
2682            // Width of the navigation bar when presented vertically along one side
2683            mNavigationBarWidthForRotationInCarMode[mPortraitRotation] =
2684            mNavigationBarWidthForRotationInCarMode[mUpsideDownRotation] =
2685            mNavigationBarWidthForRotationInCarMode[mLandscapeRotation] =
2686            mNavigationBarWidthForRotationInCarMode[mSeascapeRotation] =
2687                    res.getDimensionPixelSize(
2688                            com.android.internal.R.dimen.navigation_bar_width_car_mode);
2689        }
2690    }
2691
2692    @Override
2693    public int getMaxWallpaperLayer() {
2694        return getWindowLayerFromTypeLw(TYPE_STATUS_BAR);
2695    }
2696
2697    private int getNavigationBarWidth(int rotation, int uiMode) {
2698        if (ALTERNATE_CAR_MODE_NAV_SIZE && (uiMode & UI_MODE_TYPE_MASK) == UI_MODE_TYPE_CAR) {
2699            return mNavigationBarWidthForRotationInCarMode[rotation];
2700        } else {
2701            return mNavigationBarWidthForRotationDefault[rotation];
2702        }
2703    }
2704
2705    @Override
2706    public int getNonDecorDisplayWidth(int fullWidth, int fullHeight, int rotation, int uiMode,
2707            int displayId) {
2708        // TODO(multi-display): Support navigation bar on secondary displays.
2709        if (displayId == Display.DEFAULT_DISPLAY && mHasNavigationBar) {
2710            // For a basic navigation bar, when we are in landscape mode we place
2711            // the navigation bar to the side.
2712            if (mNavigationBarCanMove && fullWidth > fullHeight) {
2713                return fullWidth - getNavigationBarWidth(rotation, uiMode);
2714            }
2715        }
2716        return fullWidth;
2717    }
2718
2719    private int getNavigationBarHeight(int rotation, int uiMode) {
2720        if (ALTERNATE_CAR_MODE_NAV_SIZE && (uiMode & UI_MODE_TYPE_MASK) == UI_MODE_TYPE_CAR) {
2721            return mNavigationBarHeightForRotationInCarMode[rotation];
2722        } else {
2723            return mNavigationBarHeightForRotationDefault[rotation];
2724        }
2725    }
2726
2727    @Override
2728    public int getNonDecorDisplayHeight(int fullWidth, int fullHeight, int rotation, int uiMode,
2729            int displayId) {
2730        // TODO(multi-display): Support navigation bar on secondary displays.
2731        if (displayId == Display.DEFAULT_DISPLAY && mHasNavigationBar) {
2732            // For a basic navigation bar, when we are in portrait mode we place
2733            // the navigation bar to the bottom.
2734            if (!mNavigationBarCanMove || fullWidth < fullHeight) {
2735                return fullHeight - getNavigationBarHeight(rotation, uiMode);
2736            }
2737        }
2738        return fullHeight;
2739    }
2740
2741    @Override
2742    public int getConfigDisplayWidth(int fullWidth, int fullHeight, int rotation, int uiMode,
2743            int displayId) {
2744        return getNonDecorDisplayWidth(fullWidth, fullHeight, rotation, uiMode, displayId);
2745    }
2746
2747    @Override
2748    public int getConfigDisplayHeight(int fullWidth, int fullHeight, int rotation, int uiMode,
2749            int displayId) {
2750        // There is a separate status bar at the top of the display.  We don't count that as part
2751        // of the fixed decor, since it can hide; however, for purposes of configurations,
2752        // we do want to exclude it since applications can't generally use that part
2753        // of the screen.
2754        // TODO(multi-display): Support status bars on secondary displays.
2755        if (displayId == Display.DEFAULT_DISPLAY) {
2756            return getNonDecorDisplayHeight(fullWidth, fullHeight, rotation, uiMode, displayId)
2757                    - mStatusBarHeight;
2758        }
2759        return fullHeight;
2760    }
2761
2762    @Override
2763    public boolean isKeyguardHostWindow(WindowManager.LayoutParams attrs) {
2764        return attrs.type == TYPE_STATUS_BAR;
2765    }
2766
2767    @Override
2768    public boolean canBeHiddenByKeyguardLw(WindowState win) {
2769        switch (win.getAttrs().type) {
2770            case TYPE_STATUS_BAR:
2771            case TYPE_NAVIGATION_BAR:
2772            case TYPE_WALLPAPER:
2773            case TYPE_DREAM:
2774                return false;
2775            default:
2776                // Hide only windows below the keyguard host window.
2777                return getWindowLayerLw(win) < getWindowLayerFromTypeLw(TYPE_STATUS_BAR);
2778        }
2779    }
2780
2781    private boolean shouldBeHiddenByKeyguard(WindowState win, WindowState imeTarget) {
2782
2783        // Keyguard visibility of window from activities are determined over activity visibility.
2784        if (win.getAppToken() != null) {
2785            return false;
2786        }
2787
2788        final LayoutParams attrs = win.getAttrs();
2789        final boolean showImeOverKeyguard = imeTarget != null && imeTarget.isVisibleLw() &&
2790                ((imeTarget.getAttrs().flags & FLAG_SHOW_WHEN_LOCKED) != 0
2791                        || !canBeHiddenByKeyguardLw(imeTarget));
2792
2793        // Show IME over the keyguard if the target allows it
2794        boolean allowWhenLocked = (win.isInputMethodWindow() || imeTarget == this)
2795                && showImeOverKeyguard;;
2796
2797        if (isKeyguardLocked() && isKeyguardOccluded()) {
2798            // Show SHOW_WHEN_LOCKED windows if Keyguard is occluded.
2799            allowWhenLocked |= (attrs.flags & FLAG_SHOW_WHEN_LOCKED) != 0
2800                    // Show error dialogs over apps that are shown on lockscreen
2801                    || (attrs.privateFlags & PRIVATE_FLAG_SYSTEM_ERROR) != 0;
2802        }
2803
2804        boolean keyguardLocked = isKeyguardLocked();
2805        boolean hideDockDivider = attrs.type == TYPE_DOCK_DIVIDER
2806                && !mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID);
2807        return (keyguardLocked && !allowWhenLocked && win.getDisplayId() == Display.DEFAULT_DISPLAY)
2808                || hideDockDivider;
2809    }
2810
2811    /** {@inheritDoc} */
2812    @Override
2813    public StartingSurface addSplashScreen(IBinder appToken, String packageName, int theme,
2814            CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes, int icon,
2815            int logo, int windowFlags, Configuration overrideConfig, int displayId) {
2816        if (!SHOW_SPLASH_SCREENS) {
2817            return null;
2818        }
2819        if (packageName == null) {
2820            return null;
2821        }
2822
2823        WindowManager wm = null;
2824        View view = null;
2825
2826        try {
2827            Context context = mContext;
2828            if (DEBUG_SPLASH_SCREEN) Slog.d(TAG, "addSplashScreen " + packageName
2829                    + ": nonLocalizedLabel=" + nonLocalizedLabel + " theme="
2830                    + Integer.toHexString(theme));
2831
2832            // Obtain proper context to launch on the right display.
2833            final Context displayContext = getDisplayContext(context, displayId);
2834            if (displayContext == null) {
2835                // Can't show splash screen on requested display, so skip showing at all.
2836                return null;
2837            }
2838            context = displayContext;
2839
2840            if (theme != context.getThemeResId() || labelRes != 0) {
2841                try {
2842                    context = context.createPackageContext(packageName, CONTEXT_RESTRICTED);
2843                    context.setTheme(theme);
2844                } catch (PackageManager.NameNotFoundException e) {
2845                    // Ignore
2846                }
2847            }
2848
2849            if (overrideConfig != null && !overrideConfig.equals(EMPTY)) {
2850                if (DEBUG_SPLASH_SCREEN) Slog.d(TAG, "addSplashScreen: creating context based"
2851                        + " on overrideConfig" + overrideConfig + " for splash screen");
2852                final Context overrideContext = context.createConfigurationContext(overrideConfig);
2853                overrideContext.setTheme(theme);
2854                final TypedArray typedArray = overrideContext.obtainStyledAttributes(
2855                        com.android.internal.R.styleable.Window);
2856                final int resId = typedArray.getResourceId(R.styleable.Window_windowBackground, 0);
2857                if (resId != 0 && overrideContext.getDrawable(resId) != null) {
2858                    // We want to use the windowBackground for the override context if it is
2859                    // available, otherwise we use the default one to make sure a themed starting
2860                    // window is displayed for the app.
2861                    if (DEBUG_SPLASH_SCREEN) Slog.d(TAG, "addSplashScreen: apply overrideConfig"
2862                            + overrideConfig + " to starting window resId=" + resId);
2863                    context = overrideContext;
2864                }
2865                typedArray.recycle();
2866            }
2867
2868            final PhoneWindow win = new PhoneWindow(context);
2869            win.setIsStartingWindow(true);
2870
2871            CharSequence label = context.getResources().getText(labelRes, null);
2872            // Only change the accessibility title if the label is localized
2873            if (label != null) {
2874                win.setTitle(label, true);
2875            } else {
2876                win.setTitle(nonLocalizedLabel, false);
2877            }
2878
2879            win.setType(
2880                WindowManager.LayoutParams.TYPE_APPLICATION_STARTING);
2881
2882            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
2883                // Assumes it's safe to show starting windows of launched apps while
2884                // the keyguard is being hidden. This is okay because starting windows never show
2885                // secret information.
2886                if (mKeyguardOccluded) {
2887                    windowFlags |= FLAG_SHOW_WHEN_LOCKED;
2888                }
2889            }
2890
2891            // Force the window flags: this is a fake window, so it is not really
2892            // touchable or focusable by the user.  We also add in the ALT_FOCUSABLE_IM
2893            // flag because we do know that the next window will take input
2894            // focus, so we want to get the IME window up on top of us right away.
2895            win.setFlags(
2896                windowFlags|
2897                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2898                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2899                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
2900                windowFlags|
2901                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2902                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2903                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
2904
2905            win.setDefaultIcon(icon);
2906            win.setDefaultLogo(logo);
2907
2908            win.setLayout(WindowManager.LayoutParams.MATCH_PARENT,
2909                    WindowManager.LayoutParams.MATCH_PARENT);
2910
2911            final WindowManager.LayoutParams params = win.getAttributes();
2912            params.token = appToken;
2913            params.packageName = packageName;
2914            params.windowAnimations = win.getWindowStyle().getResourceId(
2915                    com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
2916            params.privateFlags |=
2917                    WindowManager.LayoutParams.PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED;
2918            params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
2919
2920            if (!compatInfo.supportsScreen()) {
2921                params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW;
2922            }
2923
2924            params.setTitle("Splash Screen " + packageName);
2925            addSplashscreenContent(win, context);
2926
2927            wm = (WindowManager) context.getSystemService(WINDOW_SERVICE);
2928            view = win.getDecorView();
2929
2930            if (DEBUG_SPLASH_SCREEN) Slog.d(TAG, "Adding splash screen window for "
2931                + packageName + " / " + appToken + ": " + (view.getParent() != null ? view : null));
2932
2933            wm.addView(view, params);
2934
2935            // Only return the view if it was successfully added to the
2936            // window manager... which we can tell by it having a parent.
2937            return view.getParent() != null ? new SplashScreenSurface(view, appToken) : null;
2938        } catch (WindowManager.BadTokenException e) {
2939            // ignore
2940            Log.w(TAG, appToken + " already running, starting window not displayed. " +
2941                    e.getMessage());
2942        } catch (RuntimeException e) {
2943            // don't crash if something else bad happens, for example a
2944            // failure loading resources because we are loading from an app
2945            // on external storage that has been unmounted.
2946            Log.w(TAG, appToken + " failed creating starting window", e);
2947        } finally {
2948            if (view != null && view.getParent() == null) {
2949                Log.w(TAG, "view not successfully added to wm, removing view");
2950                wm.removeViewImmediate(view);
2951            }
2952        }
2953
2954        return null;
2955    }
2956
2957    private void addSplashscreenContent(PhoneWindow win, Context ctx) {
2958        final TypedArray a = ctx.obtainStyledAttributes(R.styleable.Window);
2959        final int resId = a.getResourceId(R.styleable.Window_windowSplashscreenContent, 0);
2960        a.recycle();
2961        if (resId == 0) {
2962            return;
2963        }
2964        final Drawable drawable = ctx.getDrawable(resId);
2965        if (drawable == null) {
2966            return;
2967        }
2968
2969        // We wrap this into a view so the system insets get applied to the drawable.
2970        final View v = new View(ctx);
2971        v.setBackground(drawable);
2972        win.setContentView(v);
2973    }
2974
2975    /** Obtain proper context for showing splash screen on the provided display. */
2976    private Context getDisplayContext(Context context, int displayId) {
2977        if (displayId == Display.DEFAULT_DISPLAY) {
2978            // The default context fits.
2979            return context;
2980        }
2981
2982        final DisplayManager dm = (DisplayManager) context.getSystemService(DISPLAY_SERVICE);
2983        final Display targetDisplay = dm.getDisplay(displayId);
2984        if (targetDisplay == null) {
2985            // Failed to obtain the non-default display where splash screen should be shown,
2986            // lets not show at all.
2987            return null;
2988        }
2989
2990        return context.createDisplayContext(targetDisplay);
2991    }
2992
2993    /**
2994     * Preflight adding a window to the system.
2995     *
2996     * Currently enforces that three window types are singletons:
2997     * <ul>
2998     * <li>STATUS_BAR_TYPE</li>
2999     * <li>KEYGUARD_TYPE</li>
3000     * </ul>
3001     *
3002     * @param win The window to be added
3003     * @param attrs Information about the window to be added
3004     *
3005     * @return If ok, WindowManagerImpl.ADD_OKAY.  If too many singletons,
3006     * WindowManagerImpl.ADD_MULTIPLE_SINGLETON
3007     */
3008    @Override
3009    public int prepareAddWindowLw(WindowState win, WindowManager.LayoutParams attrs) {
3010        switch (attrs.type) {
3011            case TYPE_STATUS_BAR:
3012                mContext.enforceCallingOrSelfPermission(
3013                        android.Manifest.permission.STATUS_BAR_SERVICE,
3014                        "PhoneWindowManager");
3015                if (mStatusBar != null) {
3016                    if (mStatusBar.isAlive()) {
3017                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
3018                    }
3019                }
3020                mStatusBar = win;
3021                mStatusBarController.setWindow(win);
3022                setKeyguardOccludedLw(mKeyguardOccluded, true /* force */);
3023                break;
3024            case TYPE_NAVIGATION_BAR:
3025                mContext.enforceCallingOrSelfPermission(
3026                        android.Manifest.permission.STATUS_BAR_SERVICE,
3027                        "PhoneWindowManager");
3028                if (mNavigationBar != null) {
3029                    if (mNavigationBar.isAlive()) {
3030                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
3031                    }
3032                }
3033                mNavigationBar = win;
3034                mNavigationBarController.setWindow(win);
3035                mNavigationBarController.setOnBarVisibilityChangedListener(
3036                        mNavBarVisibilityListener, true);
3037                if (DEBUG_LAYOUT) Slog.i(TAG, "NAVIGATION BAR: " + mNavigationBar);
3038                break;
3039            case TYPE_NAVIGATION_BAR_PANEL:
3040            case TYPE_STATUS_BAR_PANEL:
3041            case TYPE_STATUS_BAR_SUB_PANEL:
3042            case TYPE_VOICE_INTERACTION_STARTING:
3043                mContext.enforceCallingOrSelfPermission(
3044                        android.Manifest.permission.STATUS_BAR_SERVICE,
3045                        "PhoneWindowManager");
3046                break;
3047        }
3048        return ADD_OKAY;
3049    }
3050
3051    /** {@inheritDoc} */
3052    @Override
3053    public void removeWindowLw(WindowState win) {
3054        if (mStatusBar == win) {
3055            mStatusBar = null;
3056            mStatusBarController.setWindow(null);
3057        } else if (mNavigationBar == win) {
3058            mNavigationBar = null;
3059            mNavigationBarController.setWindow(null);
3060        }
3061    }
3062
3063    static final boolean PRINT_ANIM = false;
3064
3065    /** {@inheritDoc} */
3066    @Override
3067    public int selectAnimationLw(WindowState win, int transit) {
3068        if (PRINT_ANIM) Log.i(TAG, "selectAnimation in " + win
3069              + ": transit=" + transit);
3070        if (win == mStatusBar) {
3071            final boolean isKeyguard = (win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
3072            final boolean expanded = win.getAttrs().height == MATCH_PARENT
3073                    && win.getAttrs().width == MATCH_PARENT;
3074            if (isKeyguard || expanded) {
3075                return -1;
3076            }
3077            if (transit == TRANSIT_EXIT
3078                    || transit == TRANSIT_HIDE) {
3079                return R.anim.dock_top_exit;
3080            } else if (transit == TRANSIT_ENTER
3081                    || transit == TRANSIT_SHOW) {
3082                return R.anim.dock_top_enter;
3083            }
3084        } else if (win == mNavigationBar) {
3085            if (win.getAttrs().windowAnimations != 0) {
3086                return 0;
3087            }
3088            // This can be on either the bottom or the right or the left.
3089            if (mNavigationBarPosition == NAV_BAR_BOTTOM) {
3090                if (transit == TRANSIT_EXIT
3091                        || transit == TRANSIT_HIDE) {
3092                    if (isKeyguardShowingAndNotOccluded()) {
3093                        return R.anim.dock_bottom_exit_keyguard;
3094                    } else {
3095                        return R.anim.dock_bottom_exit;
3096                    }
3097                } else if (transit == TRANSIT_ENTER
3098                        || transit == TRANSIT_SHOW) {
3099                    return R.anim.dock_bottom_enter;
3100                }
3101            } else if (mNavigationBarPosition == NAV_BAR_RIGHT) {
3102                if (transit == TRANSIT_EXIT
3103                        || transit == TRANSIT_HIDE) {
3104                    return R.anim.dock_right_exit;
3105                } else if (transit == TRANSIT_ENTER
3106                        || transit == TRANSIT_SHOW) {
3107                    return R.anim.dock_right_enter;
3108                }
3109            } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
3110                if (transit == TRANSIT_EXIT
3111                        || transit == TRANSIT_HIDE) {
3112                    return R.anim.dock_left_exit;
3113                } else if (transit == TRANSIT_ENTER
3114                        || transit == TRANSIT_SHOW) {
3115                    return R.anim.dock_left_enter;
3116                }
3117            }
3118        } else if (win.getAttrs().type == TYPE_DOCK_DIVIDER) {
3119            return selectDockedDividerAnimationLw(win, transit);
3120        }
3121
3122        if (transit == TRANSIT_PREVIEW_DONE) {
3123            if (win.hasAppShownWindows()) {
3124                if (PRINT_ANIM) Log.i(TAG, "**** STARTING EXIT");
3125                return com.android.internal.R.anim.app_starting_exit;
3126            }
3127        } else if (win.getAttrs().type == TYPE_DREAM && mDreamingLockscreen
3128                && transit == TRANSIT_ENTER) {
3129            // Special case: we are animating in a dream, while the keyguard
3130            // is shown.  We don't want an animation on the dream, because
3131            // we need it shown immediately with the keyguard animating away
3132            // to reveal it.
3133            return -1;
3134        }
3135
3136        return 0;
3137    }
3138
3139    private int selectDockedDividerAnimationLw(WindowState win, int transit) {
3140        int insets = mWindowManagerFuncs.getDockedDividerInsetsLw();
3141
3142        // If the divider is behind the navigation bar, don't animate.
3143        final Rect frame = win.getFrameLw();
3144        final boolean behindNavBar = mNavigationBar != null
3145                && ((mNavigationBarPosition == NAV_BAR_BOTTOM
3146                        && frame.top + insets >= mNavigationBar.getFrameLw().top)
3147                || (mNavigationBarPosition == NAV_BAR_RIGHT
3148                        && frame.left + insets >= mNavigationBar.getFrameLw().left)
3149                || (mNavigationBarPosition == NAV_BAR_LEFT
3150                        && frame.right - insets <= mNavigationBar.getFrameLw().right));
3151        final boolean landscape = frame.height() > frame.width();
3152        final boolean offscreenLandscape = landscape && (frame.right - insets <= 0
3153                || frame.left + insets >= win.getDisplayFrameLw().right);
3154        final boolean offscreenPortrait = !landscape && (frame.top - insets <= 0
3155                || frame.bottom + insets >= win.getDisplayFrameLw().bottom);
3156        final boolean offscreen = offscreenLandscape || offscreenPortrait;
3157        if (behindNavBar || offscreen) {
3158            return 0;
3159        }
3160        if (transit == TRANSIT_ENTER || transit == TRANSIT_SHOW) {
3161            return R.anim.fade_in;
3162        } else if (transit == TRANSIT_EXIT) {
3163            return R.anim.fade_out;
3164        } else {
3165            return 0;
3166        }
3167    }
3168
3169    @Override
3170    public void selectRotationAnimationLw(int anim[]) {
3171        // If the screen is off or non-interactive, force a jumpcut.
3172        final boolean forceJumpcut = !mScreenOnFully || !mAwake;
3173        if (PRINT_ANIM) Slog.i(TAG, "selectRotationAnimation mTopFullscreen="
3174                + mTopFullscreenOpaqueWindowState + " rotationAnimation="
3175                + (mTopFullscreenOpaqueWindowState == null ?
3176                        "0" : mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation)
3177                + " forceJumpcut=" + forceJumpcut);
3178        if (forceJumpcut) {
3179            anim[0] = R.anim.rotation_animation_jump_exit;
3180            anim[1] = R.anim.rotation_animation_enter;
3181            return;
3182        }
3183        if (mTopFullscreenOpaqueWindowState != null) {
3184            int animationHint = mTopFullscreenOpaqueWindowState.getRotationAnimationHint();
3185            if (animationHint < 0 && mTopIsFullscreen) {
3186                animationHint = mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation;
3187            }
3188            switch (animationHint) {
3189                case ROTATION_ANIMATION_CROSSFADE:
3190                case ROTATION_ANIMATION_SEAMLESS: // Crossfade is fallback for seamless.
3191                    anim[0] = R.anim.rotation_animation_xfade_exit;
3192                    anim[1] = R.anim.rotation_animation_enter;
3193                    break;
3194                case ROTATION_ANIMATION_JUMPCUT:
3195                    anim[0] = R.anim.rotation_animation_jump_exit;
3196                    anim[1] = R.anim.rotation_animation_enter;
3197                    break;
3198                case ROTATION_ANIMATION_ROTATE:
3199                default:
3200                    anim[0] = anim[1] = 0;
3201                    break;
3202            }
3203        } else {
3204            anim[0] = anim[1] = 0;
3205        }
3206    }
3207
3208    @Override
3209    public boolean validateRotationAnimationLw(int exitAnimId, int enterAnimId,
3210            boolean forceDefault) {
3211        switch (exitAnimId) {
3212            case R.anim.rotation_animation_xfade_exit:
3213            case R.anim.rotation_animation_jump_exit:
3214                // These are the only cases that matter.
3215                if (forceDefault) {
3216                    return false;
3217                }
3218                int anim[] = new int[2];
3219                selectRotationAnimationLw(anim);
3220                return (exitAnimId == anim[0] && enterAnimId == anim[1]);
3221            default:
3222                return true;
3223        }
3224    }
3225
3226    @Override
3227    public Animation createHiddenByKeyguardExit(boolean onWallpaper,
3228            boolean goingToNotificationShade) {
3229        if (goingToNotificationShade) {
3230            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_behind_enter_fade_in);
3231        }
3232
3233        AnimationSet set = (AnimationSet) AnimationUtils.loadAnimation(mContext, onWallpaper ?
3234                    R.anim.lock_screen_behind_enter_wallpaper :
3235                    R.anim.lock_screen_behind_enter);
3236
3237        // TODO: Use XML interpolators when we have log interpolators available in XML.
3238        final List<Animation> animations = set.getAnimations();
3239        for (int i = animations.size() - 1; i >= 0; --i) {
3240            animations.get(i).setInterpolator(mLogDecelerateInterpolator);
3241        }
3242
3243        return set;
3244    }
3245
3246
3247    @Override
3248    public Animation createKeyguardWallpaperExit(boolean goingToNotificationShade) {
3249        if (goingToNotificationShade) {
3250            return null;
3251        } else {
3252            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_wallpaper_exit);
3253        }
3254    }
3255
3256    private static void awakenDreams() {
3257        IDreamManager dreamManager = getDreamManager();
3258        if (dreamManager != null) {
3259            try {
3260                dreamManager.awaken();
3261            } catch (RemoteException e) {
3262                // fine, stay asleep then
3263            }
3264        }
3265    }
3266
3267    static IDreamManager getDreamManager() {
3268        return IDreamManager.Stub.asInterface(
3269                ServiceManager.checkService(DreamService.DREAM_SERVICE));
3270    }
3271
3272    TelecomManager getTelecommService() {
3273        return (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE);
3274    }
3275
3276    static IAudioService getAudioService() {
3277        IAudioService audioService = IAudioService.Stub.asInterface(
3278                ServiceManager.checkService(Context.AUDIO_SERVICE));
3279        if (audioService == null) {
3280            Log.w(TAG, "Unable to find IAudioService interface.");
3281        }
3282        return audioService;
3283    }
3284
3285    boolean keyguardOn() {
3286        return isKeyguardShowingAndNotOccluded() || inKeyguardRestrictedKeyInputMode();
3287    }
3288
3289    private static final int[] WINDOW_TYPES_WHERE_HOME_DOESNT_WORK = {
3290            WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
3291            WindowManager.LayoutParams.TYPE_SYSTEM_ERROR,
3292        };
3293
3294    /** {@inheritDoc} */
3295    @Override
3296    public long interceptKeyBeforeDispatching(WindowState win, KeyEvent event, int policyFlags) {
3297        final boolean keyguardOn = keyguardOn();
3298        final int keyCode = event.getKeyCode();
3299        final int repeatCount = event.getRepeatCount();
3300        final int metaState = event.getMetaState();
3301        final int flags = event.getFlags();
3302        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
3303        final boolean canceled = event.isCanceled();
3304
3305        if (DEBUG_INPUT) {
3306            Log.d(TAG, "interceptKeyTi keyCode=" + keyCode + " down=" + down + " repeatCount="
3307                    + repeatCount + " keyguardOn=" + keyguardOn + " mHomePressed=" + mHomePressed
3308                    + " canceled=" + canceled);
3309        }
3310
3311        // If we think we might have a volume down & power key chord on the way
3312        // but we're not sure, then tell the dispatcher to wait a little while and
3313        // try again later before dispatching.
3314        if (mScreenshotChordEnabled && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
3315            if (mScreenshotChordVolumeDownKeyTriggered && !mScreenshotChordPowerKeyTriggered) {
3316                final long now = SystemClock.uptimeMillis();
3317                final long timeoutTime = mScreenshotChordVolumeDownKeyTime
3318                        + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
3319                if (now < timeoutTime) {
3320                    return timeoutTime - now;
3321                }
3322            }
3323            if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
3324                    && mScreenshotChordVolumeDownKeyConsumed) {
3325                if (!down) {
3326                    mScreenshotChordVolumeDownKeyConsumed = false;
3327                }
3328                return -1;
3329            }
3330        }
3331
3332        // If an accessibility shortcut might be partially complete, hold off dispatching until we
3333        // know if it is complete or not
3334        if (mAccessibilityShortcutController.isAccessibilityShortcutAvailable(false)
3335                && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
3336            if (mScreenshotChordVolumeDownKeyTriggered ^ mA11yShortcutChordVolumeUpKeyTriggered) {
3337                final long now = SystemClock.uptimeMillis();
3338                final long timeoutTime = (mScreenshotChordVolumeDownKeyTriggered
3339                        ? mScreenshotChordVolumeDownKeyTime : mA11yShortcutChordVolumeUpKeyTime)
3340                        + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
3341                if (now < timeoutTime) {
3342                    return timeoutTime - now;
3343                }
3344            }
3345            if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN && mScreenshotChordVolumeDownKeyConsumed) {
3346                if (!down) {
3347                    mScreenshotChordVolumeDownKeyConsumed = false;
3348                }
3349                return -1;
3350            }
3351            if (keyCode == KeyEvent.KEYCODE_VOLUME_UP && mA11yShortcutChordVolumeUpKeyConsumed) {
3352                if (!down) {
3353                    mA11yShortcutChordVolumeUpKeyConsumed = false;
3354                }
3355                return -1;
3356            }
3357        }
3358
3359        // Cancel any pending meta actions if we see any other keys being pressed between the down
3360        // of the meta key and its corresponding up.
3361        if (mPendingMetaAction && !KeyEvent.isMetaKey(keyCode)) {
3362            mPendingMetaAction = false;
3363        }
3364        // Any key that is not Alt or Meta cancels Caps Lock combo tracking.
3365        if (mPendingCapsLockToggle && !KeyEvent.isMetaKey(keyCode) && !KeyEvent.isAltKey(keyCode)) {
3366            mPendingCapsLockToggle = false;
3367        }
3368
3369        // First we always handle the home key here, so applications
3370        // can never break it, although if keyguard is on, we do let
3371        // it handle it, because that gives us the correct 5 second
3372        // timeout.
3373        if (keyCode == KeyEvent.KEYCODE_HOME) {
3374
3375            // If we have released the home key, and didn't do anything else
3376            // while it was pressed, then it is time to go home!
3377            if (!down) {
3378                cancelPreloadRecentApps();
3379
3380                if (mHasFeatureLeanback) {
3381                    // Clear flags
3382                    mAccessibilityTvKey2Pressed = down;
3383                }
3384
3385                mHomePressed = false;
3386                if (mHomeConsumed) {
3387                    mHomeConsumed = false;
3388                    return -1;
3389                }
3390
3391                if (canceled) {
3392                    Log.i(TAG, "Ignoring HOME; event canceled.");
3393                    return -1;
3394                }
3395
3396                // Delay handling home if a double-tap is possible.
3397                if (mDoubleTapOnHomeBehavior != DOUBLE_TAP_HOME_NOTHING) {
3398                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable); // just in case
3399                    mHomeDoubleTapPending = true;
3400                    mHandler.postDelayed(mHomeDoubleTapTimeoutRunnable,
3401                            ViewConfiguration.getDoubleTapTimeout());
3402                    return -1;
3403                }
3404
3405                handleShortPressOnHome();
3406                return -1;
3407            }
3408
3409            // If a system window has focus, then it doesn't make sense
3410            // right now to interact with applications.
3411            WindowManager.LayoutParams attrs = win != null ? win.getAttrs() : null;
3412            if (attrs != null) {
3413                final int type = attrs.type;
3414                if (type == TYPE_KEYGUARD_DIALOG
3415                        || (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
3416                    // the "app" is keyguard, so give it the key
3417                    return 0;
3418                }
3419                final int typeCount = WINDOW_TYPES_WHERE_HOME_DOESNT_WORK.length;
3420                for (int i=0; i<typeCount; i++) {
3421                    if (type == WINDOW_TYPES_WHERE_HOME_DOESNT_WORK[i]) {
3422                        // don't do anything, but also don't pass it to the app
3423                        return -1;
3424                    }
3425                }
3426            }
3427
3428            // Remember that home is pressed and handle special actions.
3429            if (repeatCount == 0) {
3430                mHomePressed = true;
3431                if (mHomeDoubleTapPending) {
3432                    mHomeDoubleTapPending = false;
3433                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable);
3434                    handleDoubleTapOnHome();
3435                } else if (mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
3436                    preloadRecentApps();
3437                }
3438            } else if ((event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) {
3439                if (mHasFeatureLeanback) {
3440                    mAccessibilityTvKey2Pressed = down;
3441                    if (interceptAccessibilityGestureTv()) {
3442                        return -1;
3443                    }
3444                }
3445
3446                if (!keyguardOn) {
3447                    handleLongPressOnHome(event.getDeviceId());
3448                }
3449            }
3450            return -1;
3451        } else if (keyCode == KeyEvent.KEYCODE_MENU) {
3452            // Hijack modified menu keys for debugging features
3453            final int chordBug = KeyEvent.META_SHIFT_ON;
3454
3455            if (down && repeatCount == 0) {
3456                if (mEnableShiftMenuBugReports && (metaState & chordBug) == chordBug) {
3457                    Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
3458                    mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT,
3459                            null, null, null, 0, null, null);
3460                    return -1;
3461                }
3462            }
3463        } else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
3464            if (down) {
3465                if (repeatCount == 0) {
3466                    mSearchKeyShortcutPending = true;
3467                    mConsumeSearchKeyUp = false;
3468                }
3469            } else {
3470                mSearchKeyShortcutPending = false;
3471                if (mConsumeSearchKeyUp) {
3472                    mConsumeSearchKeyUp = false;
3473                    return -1;
3474                }
3475            }
3476            return 0;
3477        } else if (keyCode == KeyEvent.KEYCODE_APP_SWITCH) {
3478            if (!keyguardOn) {
3479                if (down && repeatCount == 0) {
3480                    preloadRecentApps();
3481                } else if (!down) {
3482                    toggleRecentApps();
3483                }
3484            }
3485            return -1;
3486        } else if (keyCode == KeyEvent.KEYCODE_N && event.isMetaPressed()) {
3487            if (down) {
3488                IStatusBarService service = getStatusBarService();
3489                if (service != null) {
3490                    try {
3491                        service.expandNotificationsPanel();
3492                    } catch (RemoteException e) {
3493                        // do nothing.
3494                    }
3495                }
3496            }
3497        } else if (keyCode == KeyEvent.KEYCODE_S && event.isMetaPressed()
3498                && event.isCtrlPressed()) {
3499            if (down && repeatCount == 0) {
3500                int type = event.isShiftPressed() ? TAKE_SCREENSHOT_SELECTED_REGION
3501                        : TAKE_SCREENSHOT_FULLSCREEN;
3502                mScreenshotRunnable.setScreenshotType(type);
3503                mHandler.post(mScreenshotRunnable);
3504                return -1;
3505            }
3506        } else if (keyCode == KeyEvent.KEYCODE_SLASH && event.isMetaPressed()) {
3507            if (down && repeatCount == 0 && !isKeyguardLocked()) {
3508                toggleKeyboardShortcutsMenu(event.getDeviceId());
3509            }
3510        } else if (keyCode == KeyEvent.KEYCODE_ASSIST) {
3511            if (down) {
3512                if (repeatCount == 0) {
3513                    mAssistKeyLongPressed = false;
3514                } else if (repeatCount == 1) {
3515                    mAssistKeyLongPressed = true;
3516                    if (!keyguardOn) {
3517                         launchAssistLongPressAction();
3518                    }
3519                }
3520            } else {
3521                if (mAssistKeyLongPressed) {
3522                    mAssistKeyLongPressed = false;
3523                } else {
3524                    if (!keyguardOn) {
3525                        launchAssistAction(null, event.getDeviceId());
3526                    }
3527                }
3528            }
3529            return -1;
3530        } else if (keyCode == KeyEvent.KEYCODE_VOICE_ASSIST) {
3531            if (!down) {
3532                Intent voiceIntent;
3533                if (!keyguardOn) {
3534                    voiceIntent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
3535                } else {
3536                    IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
3537                            ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
3538                    if (dic != null) {
3539                        try {
3540                            dic.exitIdle("voice-search");
3541                        } catch (RemoteException e) {
3542                        }
3543                    }
3544                    voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
3545                    voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, true);
3546                }
3547                startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
3548            }
3549        } else if (keyCode == KeyEvent.KEYCODE_SYSRQ) {
3550            if (down && repeatCount == 0) {
3551                mScreenshotRunnable.setScreenshotType(TAKE_SCREENSHOT_FULLSCREEN);
3552                mHandler.post(mScreenshotRunnable);
3553            }
3554            return -1;
3555        } else if (keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP
3556                || keyCode == KeyEvent.KEYCODE_BRIGHTNESS_DOWN) {
3557            if (down) {
3558                int direction = keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP ? 1 : -1;
3559
3560                // Disable autobrightness if it's on
3561                int auto = Settings.System.getIntForUser(
3562                        mContext.getContentResolver(),
3563                        Settings.System.SCREEN_BRIGHTNESS_MODE,
3564                        Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
3565                        UserHandle.USER_CURRENT_OR_SELF);
3566                if (auto != 0) {
3567                    Settings.System.putIntForUser(mContext.getContentResolver(),
3568                            Settings.System.SCREEN_BRIGHTNESS_MODE,
3569                            Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
3570                            UserHandle.USER_CURRENT_OR_SELF);
3571                }
3572
3573                int min = mPowerManager.getMinimumScreenBrightnessSetting();
3574                int max = mPowerManager.getMaximumScreenBrightnessSetting();
3575                int step = (max - min + BRIGHTNESS_STEPS - 1) / BRIGHTNESS_STEPS * direction;
3576                int brightness = Settings.System.getIntForUser(mContext.getContentResolver(),
3577                        Settings.System.SCREEN_BRIGHTNESS,
3578                        mPowerManager.getDefaultScreenBrightnessSetting(),
3579                        UserHandle.USER_CURRENT_OR_SELF);
3580                brightness += step;
3581                // Make sure we don't go beyond the limits.
3582                brightness = Math.min(max, brightness);
3583                brightness = Math.max(min, brightness);
3584
3585                Settings.System.putIntForUser(mContext.getContentResolver(),
3586                        Settings.System.SCREEN_BRIGHTNESS, brightness,
3587                        UserHandle.USER_CURRENT_OR_SELF);
3588                startActivityAsUser(new Intent(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG),
3589                        UserHandle.CURRENT_OR_SELF);
3590            }
3591            return -1;
3592        } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP
3593                || keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
3594                || keyCode == KeyEvent.KEYCODE_VOLUME_MUTE) {
3595            if (mUseTvRouting || mHandleVolumeKeysInWM) {
3596                // On TVs or when the configuration is enabled, volume keys never
3597                // go to the foreground app.
3598                dispatchDirectAudioEvent(event);
3599                return -1;
3600            }
3601
3602            // If the device is in Vr mode, drop the volume keys and don't
3603            // forward it to the application/dispatch the audio event.
3604            if (mPersistentVrModeEnabled) {
3605                return -1;
3606            }
3607        } else if (keyCode == KeyEvent.KEYCODE_TAB && event.isMetaPressed()) {
3608            // Pass through keyboard navigation keys.
3609            return 0;
3610        } else if (mHasFeatureLeanback && interceptBugreportGestureTv(keyCode, down)) {
3611            return -1;
3612        } else if (mHasFeatureLeanback && keyCode == KeyEvent.KEYCODE_DPAD_CENTER) {
3613            mAccessibilityTvKey1Pressed = down;
3614            if (interceptAccessibilityGestureTv()) {
3615                return -1;
3616            }
3617        }
3618
3619        // Toggle Caps Lock on META-ALT.
3620        boolean actionTriggered = false;
3621        if (KeyEvent.isModifierKey(keyCode)) {
3622            if (!mPendingCapsLockToggle) {
3623                // Start tracking meta state for combo.
3624                mInitialMetaState = mMetaState;
3625                mPendingCapsLockToggle = true;
3626            } else if (event.getAction() == KeyEvent.ACTION_UP) {
3627                int altOnMask = mMetaState & KeyEvent.META_ALT_MASK;
3628                int metaOnMask = mMetaState & KeyEvent.META_META_MASK;
3629
3630                // Check for Caps Lock toggle
3631                if ((metaOnMask != 0) && (altOnMask != 0)) {
3632                    // Check if nothing else is pressed
3633                    if (mInitialMetaState == (mMetaState ^ (altOnMask | metaOnMask))) {
3634                        // Handle Caps Lock Toggle
3635                        mInputManagerInternal.toggleCapsLock(event.getDeviceId());
3636                        actionTriggered = true;
3637                    }
3638                }
3639
3640                // Always stop tracking when key goes up.
3641                mPendingCapsLockToggle = false;
3642            }
3643        }
3644        // Store current meta state to be able to evaluate it later.
3645        mMetaState = metaState;
3646
3647        if (actionTriggered) {
3648            return -1;
3649        }
3650
3651        if (KeyEvent.isMetaKey(keyCode)) {
3652            if (down) {
3653                mPendingMetaAction = true;
3654            } else if (mPendingMetaAction) {
3655                launchAssistAction(Intent.EXTRA_ASSIST_INPUT_HINT_KEYBOARD, event.getDeviceId());
3656            }
3657            return -1;
3658        }
3659
3660        // Shortcuts are invoked through Search+key, so intercept those here
3661        // Any printing key that is chorded with Search should be consumed
3662        // even if no shortcut was invoked.  This prevents text from being
3663        // inadvertently inserted when using a keyboard that has built-in macro
3664        // shortcut keys (that emit Search+x) and some of them are not registered.
3665        if (mSearchKeyShortcutPending) {
3666            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3667            if (kcm.isPrintingKey(keyCode)) {
3668                mConsumeSearchKeyUp = true;
3669                mSearchKeyShortcutPending = false;
3670                if (down && repeatCount == 0 && !keyguardOn) {
3671                    Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState);
3672                    if (shortcutIntent != null) {
3673                        shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3674                        try {
3675                            startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3676                            dismissKeyboardShortcutsMenu();
3677                        } catch (ActivityNotFoundException ex) {
3678                            Slog.w(TAG, "Dropping shortcut key combination because "
3679                                    + "the activity to which it is registered was not found: "
3680                                    + "SEARCH+" + KeyEvent.keyCodeToString(keyCode), ex);
3681                        }
3682                    } else {
3683                        Slog.i(TAG, "Dropping unregistered shortcut key combination: "
3684                                + "SEARCH+" + KeyEvent.keyCodeToString(keyCode));
3685                    }
3686                }
3687                return -1;
3688            }
3689        }
3690
3691        // Invoke shortcuts using Meta.
3692        if (down && repeatCount == 0 && !keyguardOn
3693                && (metaState & KeyEvent.META_META_ON) != 0) {
3694            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3695            if (kcm.isPrintingKey(keyCode)) {
3696                Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode,
3697                        metaState & ~(KeyEvent.META_META_ON
3698                                | KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_RIGHT_ON));
3699                if (shortcutIntent != null) {
3700                    shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3701                    try {
3702                        startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3703                        dismissKeyboardShortcutsMenu();
3704                    } catch (ActivityNotFoundException ex) {
3705                        Slog.w(TAG, "Dropping shortcut key combination because "
3706                                + "the activity to which it is registered was not found: "
3707                                + "META+" + KeyEvent.keyCodeToString(keyCode), ex);
3708                    }
3709                    return -1;
3710                }
3711            }
3712        }
3713
3714        // Handle application launch keys.
3715        if (down && repeatCount == 0 && !keyguardOn) {
3716            String category = sApplicationLaunchKeyCategories.get(keyCode);
3717            if (category != null) {
3718                Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, category);
3719                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3720                try {
3721                    startActivityAsUser(intent, UserHandle.CURRENT);
3722                    dismissKeyboardShortcutsMenu();
3723                } catch (ActivityNotFoundException ex) {
3724                    Slog.w(TAG, "Dropping application launch key because "
3725                            + "the activity to which it is registered was not found: "
3726                            + "keyCode=" + keyCode + ", category=" + category, ex);
3727                }
3728                return -1;
3729            }
3730        }
3731
3732        // Display task switcher for ALT-TAB.
3733        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_TAB) {
3734            if (mRecentAppsHeldModifiers == 0 && !keyguardOn && isUserSetupComplete()) {
3735                final int shiftlessModifiers = event.getModifiers() & ~KeyEvent.META_SHIFT_MASK;
3736                if (KeyEvent.metaStateHasModifiers(shiftlessModifiers, KeyEvent.META_ALT_ON)) {
3737                    mRecentAppsHeldModifiers = shiftlessModifiers;
3738                    showRecentApps(true, false);
3739                    return -1;
3740                }
3741            }
3742        } else if (!down && mRecentAppsHeldModifiers != 0
3743                && (metaState & mRecentAppsHeldModifiers) == 0) {
3744            mRecentAppsHeldModifiers = 0;
3745            hideRecentApps(true, false);
3746        }
3747
3748        // Handle input method switching.
3749        if (down && repeatCount == 0
3750                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3751                        || (keyCode == KeyEvent.KEYCODE_SPACE
3752                                && (metaState & KeyEvent.META_META_MASK) != 0))) {
3753            final boolean forwardDirection = (metaState & KeyEvent.META_SHIFT_MASK) == 0;
3754            mWindowManagerFuncs.switchInputMethod(forwardDirection);
3755            return -1;
3756        }
3757        if (mLanguageSwitchKeyPressed && !down
3758                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3759                        || keyCode == KeyEvent.KEYCODE_SPACE)) {
3760            mLanguageSwitchKeyPressed = false;
3761            return -1;
3762        }
3763
3764        if (isValidGlobalKey(keyCode)
3765                && mGlobalKeyManager.handleGlobalKey(mContext, keyCode, event)) {
3766            return -1;
3767        }
3768
3769        if (down) {
3770            long shortcutCode = keyCode;
3771            if (event.isCtrlPressed()) {
3772                shortcutCode |= ((long) KeyEvent.META_CTRL_ON) << Integer.SIZE;
3773            }
3774
3775            if (event.isAltPressed()) {
3776                shortcutCode |= ((long) KeyEvent.META_ALT_ON) << Integer.SIZE;
3777            }
3778
3779            if (event.isShiftPressed()) {
3780                shortcutCode |= ((long) KeyEvent.META_SHIFT_ON) << Integer.SIZE;
3781            }
3782
3783            if (event.isMetaPressed()) {
3784                shortcutCode |= ((long) KeyEvent.META_META_ON) << Integer.SIZE;
3785            }
3786
3787            IShortcutService shortcutService = mShortcutKeyServices.get(shortcutCode);
3788            if (shortcutService != null) {
3789                try {
3790                    if (isUserSetupComplete()) {
3791                        shortcutService.notifyShortcutKeyPressed(shortcutCode);
3792                    }
3793                } catch (RemoteException e) {
3794                    mShortcutKeyServices.delete(shortcutCode);
3795                }
3796                return -1;
3797            }
3798        }
3799
3800        // Reserve all the META modifier combos for system behavior
3801        if ((metaState & KeyEvent.META_META_ON) != 0) {
3802            return -1;
3803        }
3804
3805        // Let the application handle the key.
3806        return 0;
3807    }
3808
3809    /**
3810     * TV only: recognizes a remote control gesture for capturing a bug report.
3811     */
3812    private boolean interceptBugreportGestureTv(int keyCode, boolean down) {
3813        // The bugreport capture chord is a long press on DPAD CENTER and BACK simultaneously.
3814        if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER) {
3815            mBugreportTvKey1Pressed = down;
3816        } else if (keyCode == KeyEvent.KEYCODE_BACK) {
3817            mBugreportTvKey2Pressed = down;
3818        }
3819
3820        if (mBugreportTvKey1Pressed && mBugreportTvKey2Pressed) {
3821            if (!mBugreportTvScheduled) {
3822                mBugreportTvScheduled = true;
3823                Message msg = Message.obtain(mHandler, MSG_BUGREPORT_TV);
3824                msg.setAsynchronous(true);
3825                mHandler.sendMessageDelayed(msg, BUGREPORT_TV_GESTURE_TIMEOUT_MILLIS);
3826            }
3827        } else if (mBugreportTvScheduled) {
3828            mHandler.removeMessages(MSG_BUGREPORT_TV);
3829            mBugreportTvScheduled = false;
3830        }
3831
3832        return mBugreportTvScheduled;
3833    }
3834
3835    /**
3836     * TV only: recognizes a remote control gesture as Accessibility shortcut.
3837     * Shortcut: Long press (HOME + DPAD_CENTER)
3838     */
3839    private boolean interceptAccessibilityGestureTv() {
3840        if (mAccessibilityTvKey1Pressed && mAccessibilityTvKey2Pressed) {
3841            if (!mAccessibilityTvScheduled) {
3842                mAccessibilityTvScheduled = true;
3843                Message msg = Message.obtain(mHandler, MSG_ACCESSIBILITY_TV);
3844                msg.setAsynchronous(true);
3845                mHandler.sendMessage(msg);
3846            }
3847        } else if (mAccessibilityTvScheduled) {
3848            mHandler.removeMessages(MSG_ACCESSIBILITY_TV);
3849            mAccessibilityTvScheduled = false;
3850        }
3851        return mAccessibilityTvScheduled;
3852    }
3853
3854    private void takeBugreport() {
3855        if ("1".equals(SystemProperties.get("ro.debuggable"))
3856                || Settings.Global.getInt(mContext.getContentResolver(),
3857                        Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0) == 1) {
3858            try {
3859                ActivityManager.getService()
3860                        .requestBugReport(ActivityManager.BUGREPORT_OPTION_INTERACTIVE);
3861            } catch (RemoteException e) {
3862                Slog.e(TAG, "Error taking bugreport", e);
3863            }
3864        }
3865    }
3866
3867    /** {@inheritDoc} */
3868    @Override
3869    public KeyEvent dispatchUnhandledKey(WindowState win, KeyEvent event, int policyFlags) {
3870        // Note: This method is only called if the initial down was unhandled.
3871        if (DEBUG_INPUT) {
3872            Slog.d(TAG, "Unhandled key: win=" + win + ", action=" + event.getAction()
3873                    + ", flags=" + event.getFlags()
3874                    + ", keyCode=" + event.getKeyCode()
3875                    + ", scanCode=" + event.getScanCode()
3876                    + ", metaState=" + event.getMetaState()
3877                    + ", repeatCount=" + event.getRepeatCount()
3878                    + ", policyFlags=" + policyFlags);
3879        }
3880
3881        KeyEvent fallbackEvent = null;
3882        if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
3883            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3884            final int keyCode = event.getKeyCode();
3885            final int metaState = event.getMetaState();
3886            final boolean initialDown = event.getAction() == KeyEvent.ACTION_DOWN
3887                    && event.getRepeatCount() == 0;
3888
3889            // Check for fallback actions specified by the key character map.
3890            final FallbackAction fallbackAction;
3891            if (initialDown) {
3892                fallbackAction = kcm.getFallbackAction(keyCode, metaState);
3893            } else {
3894                fallbackAction = mFallbackActions.get(keyCode);
3895            }
3896
3897            if (fallbackAction != null) {
3898                if (DEBUG_INPUT) {
3899                    Slog.d(TAG, "Fallback: keyCode=" + fallbackAction.keyCode
3900                            + " metaState=" + Integer.toHexString(fallbackAction.metaState));
3901                }
3902
3903                final int flags = event.getFlags() | KeyEvent.FLAG_FALLBACK;
3904                fallbackEvent = KeyEvent.obtain(
3905                        event.getDownTime(), event.getEventTime(),
3906                        event.getAction(), fallbackAction.keyCode,
3907                        event.getRepeatCount(), fallbackAction.metaState,
3908                        event.getDeviceId(), event.getScanCode(),
3909                        flags, event.getSource(), null);
3910
3911                if (!interceptFallback(win, fallbackEvent, policyFlags)) {
3912                    fallbackEvent.recycle();
3913                    fallbackEvent = null;
3914                }
3915
3916                if (initialDown) {
3917                    mFallbackActions.put(keyCode, fallbackAction);
3918                } else if (event.getAction() == KeyEvent.ACTION_UP) {
3919                    mFallbackActions.remove(keyCode);
3920                    fallbackAction.recycle();
3921                }
3922            }
3923        }
3924
3925        if (DEBUG_INPUT) {
3926            if (fallbackEvent == null) {
3927                Slog.d(TAG, "No fallback.");
3928            } else {
3929                Slog.d(TAG, "Performing fallback: " + fallbackEvent);
3930            }
3931        }
3932        return fallbackEvent;
3933    }
3934
3935    private boolean interceptFallback(WindowState win, KeyEvent fallbackEvent, int policyFlags) {
3936        int actions = interceptKeyBeforeQueueing(fallbackEvent, policyFlags);
3937        if ((actions & ACTION_PASS_TO_USER) != 0) {
3938            long delayMillis = interceptKeyBeforeDispatching(
3939                    win, fallbackEvent, policyFlags);
3940            if (delayMillis == 0) {
3941                return true;
3942            }
3943        }
3944        return false;
3945    }
3946
3947    @Override
3948    public void registerShortcutKey(long shortcutCode, IShortcutService shortcutService)
3949            throws RemoteException {
3950        synchronized (mLock) {
3951            IShortcutService service = mShortcutKeyServices.get(shortcutCode);
3952            if (service != null && service.asBinder().pingBinder()) {
3953                throw new RemoteException("Key already exists.");
3954            }
3955
3956            mShortcutKeyServices.put(shortcutCode, shortcutService);
3957        }
3958    }
3959
3960    @Override
3961    public void onKeyguardOccludedChangedLw(boolean occluded) {
3962        if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
3963            mPendingKeyguardOccluded = occluded;
3964            mKeyguardOccludedChanged = true;
3965        } else {
3966            setKeyguardOccludedLw(occluded, false /* force */);
3967        }
3968    }
3969
3970    private int handleStartTransitionForKeyguardLw(int transit, @Nullable Animation anim) {
3971        if (mKeyguardOccludedChanged) {
3972            if (DEBUG_KEYGUARD) Slog.d(TAG, "transition/occluded changed occluded="
3973                    + mPendingKeyguardOccluded);
3974            mKeyguardOccludedChanged = false;
3975            if (setKeyguardOccludedLw(mPendingKeyguardOccluded, false /* force */)) {
3976                return FINISH_LAYOUT_REDO_LAYOUT | FINISH_LAYOUT_REDO_WALLPAPER;
3977            }
3978        }
3979        if (AppTransition.isKeyguardGoingAwayTransit(transit)) {
3980            if (DEBUG_KEYGUARD) Slog.d(TAG, "Starting keyguard exit animation");
3981            final long startTime = anim != null
3982                    ? SystemClock.uptimeMillis() + anim.getStartOffset()
3983                    : SystemClock.uptimeMillis();
3984            final long duration = anim != null
3985                    ? anim.getDuration()
3986                    : 0;
3987            startKeyguardExitAnimation(startTime, duration);
3988        }
3989        return 0;
3990    }
3991
3992    private void launchAssistLongPressAction() {
3993        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
3994        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3995
3996        // launch the search activity
3997        Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
3998        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3999        try {
4000            // TODO: This only stops the factory-installed search manager.
4001            // Need to formalize an API to handle others
4002            SearchManager searchManager = getSearchManager();
4003            if (searchManager != null) {
4004                searchManager.stopSearch();
4005            }
4006            startActivityAsUser(intent, UserHandle.CURRENT);
4007        } catch (ActivityNotFoundException e) {
4008            Slog.w(TAG, "No activity to handle assist long press action.", e);
4009        }
4010    }
4011
4012    private void launchAssistAction(String hint, int deviceId) {
4013        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
4014        if (!isUserSetupComplete()) {
4015            // Disable opening assist window during setup
4016            return;
4017        }
4018        Bundle args = null;
4019        if (deviceId > Integer.MIN_VALUE) {
4020            args = new Bundle();
4021            args.putInt(Intent.EXTRA_ASSIST_INPUT_DEVICE_ID, deviceId);
4022        }
4023        if ((mContext.getResources().getConfiguration().uiMode
4024                & Configuration.UI_MODE_TYPE_MASK) == Configuration.UI_MODE_TYPE_TELEVISION) {
4025            // On TV, use legacy handling until assistants are implemented in the proper way.
4026            ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
4027                    .launchLegacyAssist(hint, UserHandle.myUserId(), args);
4028        } else {
4029            if (hint != null) {
4030                if (args == null) {
4031                    args = new Bundle();
4032                }
4033                args.putBoolean(hint, true);
4034            }
4035            StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
4036            if (statusbar != null) {
4037                statusbar.startAssist(args);
4038            }
4039        }
4040    }
4041
4042    private void startActivityAsUser(Intent intent, UserHandle handle) {
4043        if (isUserSetupComplete()) {
4044            mContext.startActivityAsUser(intent, handle);
4045        } else {
4046            Slog.i(TAG, "Not starting activity because user setup is in progress: " + intent);
4047        }
4048    }
4049
4050    private SearchManager getSearchManager() {
4051        if (mSearchManager == null) {
4052            mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
4053        }
4054        return mSearchManager;
4055    }
4056
4057    private void preloadRecentApps() {
4058        mPreloadedRecentApps = true;
4059        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
4060        if (statusbar != null) {
4061            statusbar.preloadRecentApps();
4062        }
4063    }
4064
4065    private void cancelPreloadRecentApps() {
4066        if (mPreloadedRecentApps) {
4067            mPreloadedRecentApps = false;
4068            StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
4069            if (statusbar != null) {
4070                statusbar.cancelPreloadRecentApps();
4071            }
4072        }
4073    }
4074
4075    private void toggleRecentApps() {
4076        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
4077        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
4078        if (statusbar != null) {
4079            statusbar.toggleRecentApps();
4080        }
4081    }
4082
4083    @Override
4084    public void showRecentApps(boolean fromHome) {
4085        mHandler.removeMessages(MSG_DISPATCH_SHOW_RECENTS);
4086        mHandler.obtainMessage(MSG_DISPATCH_SHOW_RECENTS, fromHome ? 1 : 0, 0).sendToTarget();
4087    }
4088
4089    private void showRecentApps(boolean triggeredFromAltTab, boolean fromHome) {
4090        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
4091        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
4092        if (statusbar != null) {
4093            statusbar.showRecentApps(triggeredFromAltTab, fromHome);
4094        }
4095    }
4096
4097    private void toggleKeyboardShortcutsMenu(int deviceId) {
4098        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
4099        if (statusbar != null) {
4100            statusbar.toggleKeyboardShortcutsMenu(deviceId);
4101        }
4102    }
4103
4104    private void dismissKeyboardShortcutsMenu() {
4105        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
4106        if (statusbar != null) {
4107            statusbar.dismissKeyboardShortcutsMenu();
4108        }
4109    }
4110
4111    private void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHome) {
4112        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
4113        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
4114        if (statusbar != null) {
4115            statusbar.hideRecentApps(triggeredFromAltTab, triggeredFromHome);
4116        }
4117    }
4118
4119    void launchHomeFromHotKey() {
4120        launchHomeFromHotKey(true /* awakenFromDreams */, true /*respectKeyguard*/);
4121    }
4122
4123    /**
4124     * A home key -> launch home action was detected.  Take the appropriate action
4125     * given the situation with the keyguard.
4126     */
4127    void launchHomeFromHotKey(final boolean awakenFromDreams, final boolean respectKeyguard) {
4128        if (respectKeyguard) {
4129            if (isKeyguardShowingAndNotOccluded()) {
4130                // don't launch home if keyguard showing
4131                return;
4132            }
4133
4134            if (!mKeyguardOccluded && mKeyguardDelegate.isInputRestricted()) {
4135                // when in keyguard restricted mode, must first verify unlock
4136                // before launching home
4137                mKeyguardDelegate.verifyUnlock(new OnKeyguardExitResult() {
4138                    @Override
4139                    public void onKeyguardExitResult(boolean success) {
4140                        if (success) {
4141                            try {
4142                                ActivityManager.getService().stopAppSwitches();
4143                            } catch (RemoteException e) {
4144                            }
4145                            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
4146                            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
4147                        }
4148                    }
4149                });
4150                return;
4151            }
4152        }
4153
4154        // no keyguard stuff to worry about, just launch home!
4155        try {
4156            ActivityManager.getService().stopAppSwitches();
4157        } catch (RemoteException e) {
4158        }
4159        if (mRecentsVisible) {
4160            // Hide Recents and notify it to launch Home
4161            if (awakenFromDreams) {
4162                awakenDreams();
4163            }
4164            hideRecentApps(false, true);
4165        } else {
4166            // Otherwise, just launch Home
4167            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
4168            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
4169        }
4170    }
4171
4172    private final Runnable mClearHideNavigationFlag = new Runnable() {
4173        @Override
4174        public void run() {
4175            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
4176                // Clear flags.
4177                mForceClearedSystemUiFlags &=
4178                        ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
4179            }
4180            mWindowManagerFuncs.reevaluateStatusBarVisibility();
4181        }
4182    };
4183
4184    /**
4185     * Input handler used while nav bar is hidden.  Captures any touch on the screen,
4186     * to determine when the nav bar should be shown and prevent applications from
4187     * receiving those touches.
4188     */
4189    final class HideNavInputEventReceiver extends InputEventReceiver {
4190        public HideNavInputEventReceiver(InputChannel inputChannel, Looper looper) {
4191            super(inputChannel, looper);
4192        }
4193
4194        @Override
4195        public void onInputEvent(InputEvent event) {
4196            boolean handled = false;
4197            try {
4198                if (event instanceof MotionEvent
4199                        && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
4200                    final MotionEvent motionEvent = (MotionEvent)event;
4201                    if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
4202                        // When the user taps down, we re-show the nav bar.
4203                        boolean changed = false;
4204                        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
4205                            if (mInputConsumer == null) {
4206                                return;
4207                            }
4208                            // Any user activity always causes us to show the
4209                            // navigation controls, if they had been hidden.
4210                            // We also clear the low profile and only content
4211                            // flags so that tapping on the screen will atomically
4212                            // restore all currently hidden screen decorations.
4213                            int newVal = mResettingSystemUiFlags |
4214                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
4215                                    View.SYSTEM_UI_FLAG_LOW_PROFILE |
4216                                    View.SYSTEM_UI_FLAG_FULLSCREEN;
4217                            if (mResettingSystemUiFlags != newVal) {
4218                                mResettingSystemUiFlags = newVal;
4219                                changed = true;
4220                            }
4221                            // We don't allow the system's nav bar to be hidden
4222                            // again for 1 second, to prevent applications from
4223                            // spamming us and keeping it from being shown.
4224                            newVal = mForceClearedSystemUiFlags |
4225                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
4226                            if (mForceClearedSystemUiFlags != newVal) {
4227                                mForceClearedSystemUiFlags = newVal;
4228                                changed = true;
4229                                mHandler.postDelayed(mClearHideNavigationFlag, 1000);
4230                            }
4231                        }
4232                        if (changed) {
4233                            mWindowManagerFuncs.reevaluateStatusBarVisibility();
4234                        }
4235                    }
4236                }
4237            } finally {
4238                finishInputEvent(event, handled);
4239            }
4240        }
4241    }
4242
4243    @Override
4244    public void setRecentsVisibilityLw(boolean visible) {
4245        mRecentsVisible = visible;
4246    }
4247
4248    @Override
4249    public void setPipVisibilityLw(boolean visible) {
4250        mPictureInPictureVisible = visible;
4251    }
4252
4253    @Override
4254    public int adjustSystemUiVisibilityLw(int visibility) {
4255        mStatusBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
4256        mNavigationBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
4257
4258        // Reset any bits in mForceClearingStatusBarVisibility that
4259        // are now clear.
4260        mResettingSystemUiFlags &= visibility;
4261        // Clear any bits in the new visibility that are currently being
4262        // force cleared, before reporting it.
4263        return visibility & ~mResettingSystemUiFlags
4264                & ~mForceClearedSystemUiFlags;
4265    }
4266
4267    @Override
4268    public boolean getInsetHintLw(WindowManager.LayoutParams attrs, Rect taskBounds,
4269            int displayRotation, int displayWidth, int displayHeight, Rect outContentInsets,
4270            Rect outStableInsets, Rect outOutsets) {
4271        final int fl = PolicyControl.getWindowFlags(null, attrs);
4272        final int sysuiVis = PolicyControl.getSystemUiVisibility(null, attrs);
4273        final int systemUiVisibility = (sysuiVis | attrs.subtreeSystemUiVisibility);
4274
4275        final boolean useOutsets = outOutsets != null && shouldUseOutsets(attrs, fl);
4276        if (useOutsets) {
4277            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
4278            if (outset > 0) {
4279                if (displayRotation == Surface.ROTATION_0) {
4280                    outOutsets.bottom += outset;
4281                } else if (displayRotation == Surface.ROTATION_90) {
4282                    outOutsets.right += outset;
4283                } else if (displayRotation == Surface.ROTATION_180) {
4284                    outOutsets.top += outset;
4285                } else if (displayRotation == Surface.ROTATION_270) {
4286                    outOutsets.left += outset;
4287                }
4288            }
4289        }
4290
4291        if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
4292                == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
4293            int availRight, availBottom;
4294            if (canHideNavigationBar() &&
4295                    (systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0) {
4296                availRight = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4297                availBottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4298            } else {
4299                availRight = mRestrictedScreenLeft + mRestrictedScreenWidth;
4300                availBottom = mRestrictedScreenTop + mRestrictedScreenHeight;
4301            }
4302            if ((systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
4303                if ((fl & FLAG_FULLSCREEN) != 0) {
4304                    outContentInsets.set(mStableFullscreenLeft, mStableFullscreenTop,
4305                            availRight - mStableFullscreenRight,
4306                            availBottom - mStableFullscreenBottom);
4307                } else {
4308                    outContentInsets.set(mStableLeft, mStableTop,
4309                            availRight - mStableRight, availBottom - mStableBottom);
4310                }
4311            } else if ((fl & FLAG_FULLSCREEN) != 0 || (fl & FLAG_LAYOUT_IN_OVERSCAN) != 0) {
4312                outContentInsets.setEmpty();
4313            } else if ((systemUiVisibility & (View.SYSTEM_UI_FLAG_FULLSCREEN
4314                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)) == 0) {
4315                outContentInsets.set(mCurLeft, mCurTop,
4316                        availRight - mCurRight, availBottom - mCurBottom);
4317            } else {
4318                outContentInsets.set(mCurLeft, mCurTop,
4319                        availRight - mCurRight, availBottom - mCurBottom);
4320            }
4321
4322            outStableInsets.set(mStableLeft, mStableTop,
4323                    availRight - mStableRight, availBottom - mStableBottom);
4324            if (taskBounds != null) {
4325                calculateRelevantTaskInsets(taskBounds, outContentInsets,
4326                        displayWidth, displayHeight);
4327                calculateRelevantTaskInsets(taskBounds, outStableInsets,
4328                        displayWidth, displayHeight);
4329            }
4330            return mForceShowSystemBars;
4331        }
4332        outContentInsets.setEmpty();
4333        outStableInsets.setEmpty();
4334        return mForceShowSystemBars;
4335    }
4336
4337    /**
4338     * For any given task bounds, the insets relevant for these bounds given the insets relevant
4339     * for the entire display.
4340     */
4341    private void calculateRelevantTaskInsets(Rect taskBounds, Rect inOutInsets, int displayWidth,
4342            int displayHeight) {
4343        mTmpRect.set(0, 0, displayWidth, displayHeight);
4344        mTmpRect.inset(inOutInsets);
4345        mTmpRect.intersect(taskBounds);
4346        int leftInset = mTmpRect.left - taskBounds.left;
4347        int topInset = mTmpRect.top - taskBounds.top;
4348        int rightInset = taskBounds.right - mTmpRect.right;
4349        int bottomInset = taskBounds.bottom - mTmpRect.bottom;
4350        inOutInsets.set(leftInset, topInset, rightInset, bottomInset);
4351    }
4352
4353    private boolean shouldUseOutsets(WindowManager.LayoutParams attrs, int fl) {
4354        return attrs.type == TYPE_WALLPAPER || (fl & (WindowManager.LayoutParams.FLAG_FULLSCREEN
4355                | WindowManager.LayoutParams.FLAG_LAYOUT_IN_OVERSCAN)) != 0;
4356    }
4357
4358    /** {@inheritDoc} */
4359    @Override
4360    public void beginLayoutLw(boolean isDefaultDisplay, int displayWidth, int displayHeight,
4361                              int displayRotation, int uiMode) {
4362        mDisplayRotation = displayRotation;
4363        final int overscanLeft, overscanTop, overscanRight, overscanBottom;
4364        if (isDefaultDisplay) {
4365            switch (displayRotation) {
4366                case Surface.ROTATION_90:
4367                    overscanLeft = mOverscanTop;
4368                    overscanTop = mOverscanRight;
4369                    overscanRight = mOverscanBottom;
4370                    overscanBottom = mOverscanLeft;
4371                    break;
4372                case Surface.ROTATION_180:
4373                    overscanLeft = mOverscanRight;
4374                    overscanTop = mOverscanBottom;
4375                    overscanRight = mOverscanLeft;
4376                    overscanBottom = mOverscanTop;
4377                    break;
4378                case Surface.ROTATION_270:
4379                    overscanLeft = mOverscanBottom;
4380                    overscanTop = mOverscanLeft;
4381                    overscanRight = mOverscanTop;
4382                    overscanBottom = mOverscanRight;
4383                    break;
4384                default:
4385                    overscanLeft = mOverscanLeft;
4386                    overscanTop = mOverscanTop;
4387                    overscanRight = mOverscanRight;
4388                    overscanBottom = mOverscanBottom;
4389                    break;
4390            }
4391        } else {
4392            overscanLeft = 0;
4393            overscanTop = 0;
4394            overscanRight = 0;
4395            overscanBottom = 0;
4396        }
4397        mOverscanScreenLeft = mRestrictedOverscanScreenLeft = 0;
4398        mOverscanScreenTop = mRestrictedOverscanScreenTop = 0;
4399        mOverscanScreenWidth = mRestrictedOverscanScreenWidth = displayWidth;
4400        mOverscanScreenHeight = mRestrictedOverscanScreenHeight = displayHeight;
4401        mSystemLeft = 0;
4402        mSystemTop = 0;
4403        mSystemRight = displayWidth;
4404        mSystemBottom = displayHeight;
4405        mUnrestrictedScreenLeft = overscanLeft;
4406        mUnrestrictedScreenTop = overscanTop;
4407        mUnrestrictedScreenWidth = displayWidth - overscanLeft - overscanRight;
4408        mUnrestrictedScreenHeight = displayHeight - overscanTop - overscanBottom;
4409        mRestrictedScreenLeft = mUnrestrictedScreenLeft;
4410        mRestrictedScreenTop = mUnrestrictedScreenTop;
4411        mRestrictedScreenWidth = mSystemGestures.screenWidth = mUnrestrictedScreenWidth;
4412        mRestrictedScreenHeight = mSystemGestures.screenHeight = mUnrestrictedScreenHeight;
4413        mDockLeft = mContentLeft = mVoiceContentLeft = mStableLeft = mStableFullscreenLeft
4414                = mCurLeft = mUnrestrictedScreenLeft;
4415        mDockTop = mContentTop = mVoiceContentTop = mStableTop = mStableFullscreenTop
4416                = mCurTop = mUnrestrictedScreenTop;
4417        mDockRight = mContentRight = mVoiceContentRight = mStableRight = mStableFullscreenRight
4418                = mCurRight = displayWidth - overscanRight;
4419        mDockBottom = mContentBottom = mVoiceContentBottom = mStableBottom = mStableFullscreenBottom
4420                = mCurBottom = displayHeight - overscanBottom;
4421        mDockLayer = 0x10000000;
4422        mStatusBarLayer = -1;
4423
4424        // start with the current dock rect, which will be (0,0,displayWidth,displayHeight)
4425        final Rect pf = mTmpParentFrame;
4426        final Rect df = mTmpDisplayFrame;
4427        final Rect of = mTmpOverscanFrame;
4428        final Rect vf = mTmpVisibleFrame;
4429        final Rect dcf = mTmpDecorFrame;
4430        pf.left = df.left = of.left = vf.left = mDockLeft;
4431        pf.top = df.top = of.top = vf.top = mDockTop;
4432        pf.right = df.right = of.right = vf.right = mDockRight;
4433        pf.bottom = df.bottom = of.bottom = vf.bottom = mDockBottom;
4434        dcf.setEmpty();  // Decor frame N/A for system bars.
4435
4436        if (isDefaultDisplay) {
4437            // For purposes of putting out fake window up to steal focus, we will
4438            // drive nav being hidden only by whether it is requested.
4439            final int sysui = mLastSystemUiFlags;
4440            boolean navVisible = (sysui & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0;
4441            boolean navTranslucent = (sysui
4442                    & (View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT)) != 0;
4443            boolean immersive = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
4444            boolean immersiveSticky = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
4445            boolean navAllowedHidden = immersive || immersiveSticky;
4446            navTranslucent &= !immersiveSticky;  // transient trumps translucent
4447            boolean isKeyguardShowing = isStatusBarKeyguard() && !mKeyguardOccluded;
4448            if (!isKeyguardShowing) {
4449                navTranslucent &= areTranslucentBarsAllowed();
4450            }
4451            boolean statusBarExpandedNotKeyguard = !isKeyguardShowing && mStatusBar != null
4452                    && mStatusBar.getAttrs().height == MATCH_PARENT
4453                    && mStatusBar.getAttrs().width == MATCH_PARENT;
4454
4455            // When the navigation bar isn't visible, we put up a fake
4456            // input window to catch all touch events.  This way we can
4457            // detect when the user presses anywhere to bring back the nav
4458            // bar and ensure the application doesn't see the event.
4459            if (navVisible || navAllowedHidden) {
4460                if (mInputConsumer != null) {
4461                    mHandler.sendMessage(
4462                            mHandler.obtainMessage(MSG_DISPOSE_INPUT_CONSUMER, mInputConsumer));
4463                    mInputConsumer = null;
4464                }
4465            } else if (mInputConsumer == null) {
4466                mInputConsumer = mWindowManagerFuncs.createInputConsumer(mHandler.getLooper(),
4467                        INPUT_CONSUMER_NAVIGATION,
4468                        (channel, looper) -> new HideNavInputEventReceiver(channel, looper));
4469                // As long as mInputConsumer is active, hover events are not dispatched to the app
4470                // and the pointer icon is likely to become stale. Hide it to avoid confusion.
4471                InputManager.getInstance().setPointerIconType(PointerIcon.TYPE_NULL);
4472            }
4473
4474            // For purposes of positioning and showing the nav bar, if we have
4475            // decided that it can't be hidden (because of the screen aspect ratio),
4476            // then take that into account.
4477            navVisible |= !canHideNavigationBar();
4478
4479            boolean updateSysUiVisibility = layoutNavigationBar(displayWidth, displayHeight,
4480                    displayRotation, uiMode, overscanLeft, overscanRight, overscanBottom, dcf, navVisible, navTranslucent,
4481                    navAllowedHidden, statusBarExpandedNotKeyguard);
4482            if (DEBUG_LAYOUT) Slog.i(TAG, String.format("mDock rect: (%d,%d - %d,%d)",
4483                    mDockLeft, mDockTop, mDockRight, mDockBottom));
4484            updateSysUiVisibility |= layoutStatusBar(pf, df, of, vf, dcf, sysui, isKeyguardShowing);
4485            if (updateSysUiVisibility) {
4486                updateSystemUiVisibilityLw();
4487            }
4488        }
4489    }
4490
4491    private boolean layoutStatusBar(Rect pf, Rect df, Rect of, Rect vf, Rect dcf, int sysui,
4492            boolean isKeyguardShowing) {
4493        // decide where the status bar goes ahead of time
4494        if (mStatusBar != null) {
4495            // apply any navigation bar insets
4496            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4497            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4498            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
4499            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight
4500                    + mUnrestrictedScreenTop;
4501            vf.left = mStableLeft;
4502            vf.top = mStableTop;
4503            vf.right = mStableRight;
4504            vf.bottom = mStableBottom;
4505
4506            mStatusBarLayer = mStatusBar.getSurfaceLayer();
4507
4508            // Let the status bar determine its size.
4509            mStatusBar.computeFrameLw(pf /* parentFrame */, df /* displayFrame */,
4510                    vf /* overlayFrame */, vf /* contentFrame */, vf /* visibleFrame */,
4511                    dcf /* decorFrame */, vf /* stableFrame */, vf /* outsetFrame */);
4512
4513            // For layout, the status bar is always at the top with our fixed height.
4514            mStableTop = mUnrestrictedScreenTop + mStatusBarHeight;
4515
4516            boolean statusBarTransient = (sysui & View.STATUS_BAR_TRANSIENT) != 0;
4517            boolean statusBarTranslucent = (sysui
4518                    & (View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT)) != 0;
4519            if (!isKeyguardShowing) {
4520                statusBarTranslucent &= areTranslucentBarsAllowed();
4521            }
4522
4523            // If the status bar is hidden, we don't want to cause
4524            // windows behind it to scroll.
4525            if (mStatusBar.isVisibleLw() && !statusBarTransient) {
4526                // Status bar may go away, so the screen area it occupies
4527                // is available to apps but just covering them when the
4528                // status bar is visible.
4529                mDockTop = mUnrestrictedScreenTop + mStatusBarHeight;
4530
4531                mContentTop = mVoiceContentTop = mCurTop = mDockTop;
4532                mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
4533                mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
4534                mContentRight = mVoiceContentRight = mCurRight = mDockRight;
4535
4536                if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar: " +
4537                        String.format(
4538                                "dock=[%d,%d][%d,%d] content=[%d,%d][%d,%d] cur=[%d,%d][%d,%d]",
4539                                mDockLeft, mDockTop, mDockRight, mDockBottom,
4540                                mContentLeft, mContentTop, mContentRight, mContentBottom,
4541                                mCurLeft, mCurTop, mCurRight, mCurBottom));
4542            }
4543            if (mStatusBar.isVisibleLw() && !mStatusBar.isAnimatingLw()
4544                    && !statusBarTransient && !statusBarTranslucent
4545                    && !mStatusBarController.wasRecentlyTranslucent()) {
4546                // If the opaque status bar is currently requested to be visible,
4547                // and not in the process of animating on or off, then
4548                // we can tell the app that it is covered by it.
4549                mSystemTop = mUnrestrictedScreenTop + mStatusBarHeight;
4550            }
4551            if (mStatusBarController.checkHiddenLw()) {
4552                return true;
4553            }
4554        }
4555        return false;
4556    }
4557
4558    private boolean layoutNavigationBar(int displayWidth, int displayHeight, int displayRotation,
4559            int uiMode, int overscanLeft, int overscanRight, int overscanBottom, Rect dcf,
4560            boolean navVisible, boolean navTranslucent, boolean navAllowedHidden,
4561            boolean statusBarExpandedNotKeyguard) {
4562        if (mNavigationBar != null) {
4563            boolean transientNavBarShowing = mNavigationBarController.isTransientShowing();
4564            // Force the navigation bar to its appropriate place and
4565            // size.  We need to do this directly, instead of relying on
4566            // it to bubble up from the nav bar, because this needs to
4567            // change atomically with screen rotations.
4568            mNavigationBarPosition = navigationBarPosition(displayWidth, displayHeight,
4569                    displayRotation);
4570            if (mNavigationBarPosition == NAV_BAR_BOTTOM) {
4571                // It's a system nav bar or a portrait screen; nav bar goes on bottom.
4572                int top = displayHeight - overscanBottom
4573                        - getNavigationBarHeight(displayRotation, uiMode);
4574                mTmpNavigationFrame.set(0, top, displayWidth, displayHeight - overscanBottom);
4575                mStableBottom = mStableFullscreenBottom = mTmpNavigationFrame.top;
4576                if (transientNavBarShowing) {
4577                    mNavigationBarController.setBarShowingLw(true);
4578                } else if (navVisible) {
4579                    mNavigationBarController.setBarShowingLw(true);
4580                    mDockBottom = mTmpNavigationFrame.top;
4581                    mRestrictedScreenHeight = mDockBottom - mRestrictedScreenTop;
4582                    mRestrictedOverscanScreenHeight = mDockBottom - mRestrictedOverscanScreenTop;
4583                } else {
4584                    // We currently want to hide the navigation UI - unless we expanded the status
4585                    // bar.
4586                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4587                }
4588                if (navVisible && !navTranslucent && !navAllowedHidden
4589                        && !mNavigationBar.isAnimatingLw()
4590                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4591                    // If the opaque nav bar is currently requested to be visible,
4592                    // and not in the process of animating on or off, then
4593                    // we can tell the app that it is covered by it.
4594                    mSystemBottom = mTmpNavigationFrame.top;
4595                }
4596            } else if (mNavigationBarPosition == NAV_BAR_RIGHT) {
4597                // Landscape screen; nav bar goes to the right.
4598                int left = displayWidth - overscanRight
4599                        - getNavigationBarWidth(displayRotation, uiMode);
4600                mTmpNavigationFrame.set(left, 0, displayWidth - overscanRight, displayHeight);
4601                mStableRight = mStableFullscreenRight = mTmpNavigationFrame.left;
4602                if (transientNavBarShowing) {
4603                    mNavigationBarController.setBarShowingLw(true);
4604                } else if (navVisible) {
4605                    mNavigationBarController.setBarShowingLw(true);
4606                    mDockRight = mTmpNavigationFrame.left;
4607                    mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
4608                    mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
4609                } else {
4610                    // We currently want to hide the navigation UI - unless we expanded the status
4611                    // bar.
4612                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4613                }
4614                if (navVisible && !navTranslucent && !navAllowedHidden
4615                        && !mNavigationBar.isAnimatingLw()
4616                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4617                    // If the nav bar is currently requested to be visible,
4618                    // and not in the process of animating on or off, then
4619                    // we can tell the app that it is covered by it.
4620                    mSystemRight = mTmpNavigationFrame.left;
4621                }
4622            } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
4623                // Seascape screen; nav bar goes to the left.
4624                int right = overscanLeft + getNavigationBarWidth(displayRotation, uiMode);
4625                mTmpNavigationFrame.set(overscanLeft, 0, right, displayHeight);
4626                mStableLeft = mStableFullscreenLeft = mTmpNavigationFrame.right;
4627                if (transientNavBarShowing) {
4628                    mNavigationBarController.setBarShowingLw(true);
4629                } else if (navVisible) {
4630                    mNavigationBarController.setBarShowingLw(true);
4631                    mDockLeft = mTmpNavigationFrame.right;
4632                    // TODO: not so sure about those:
4633                    mRestrictedScreenLeft = mRestrictedOverscanScreenLeft = mDockLeft;
4634                    mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
4635                    mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
4636                } else {
4637                    // We currently want to hide the navigation UI - unless we expanded the status
4638                    // bar.
4639                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4640                }
4641                if (navVisible && !navTranslucent && !navAllowedHidden
4642                        && !mNavigationBar.isAnimatingLw()
4643                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4644                    // If the nav bar is currently requested to be visible,
4645                    // and not in the process of animating on or off, then
4646                    // we can tell the app that it is covered by it.
4647                    mSystemLeft = mTmpNavigationFrame.right;
4648                }
4649            }
4650            // Make sure the content and current rectangles are updated to
4651            // account for the restrictions from the navigation bar.
4652            mContentTop = mVoiceContentTop = mCurTop = mDockTop;
4653            mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
4654            mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
4655            mContentRight = mVoiceContentRight = mCurRight = mDockRight;
4656            mStatusBarLayer = mNavigationBar.getSurfaceLayer();
4657            // And compute the final frame.
4658            mNavigationBar.computeFrameLw(mTmpNavigationFrame, mTmpNavigationFrame,
4659                    mTmpNavigationFrame, mTmpNavigationFrame, mTmpNavigationFrame, dcf,
4660                    mTmpNavigationFrame, mTmpNavigationFrame);
4661            if (DEBUG_LAYOUT) Slog.i(TAG, "mNavigationBar frame: " + mTmpNavigationFrame);
4662            if (mNavigationBarController.checkHiddenLw()) {
4663                return true;
4664            }
4665        }
4666        return false;
4667    }
4668
4669    private int navigationBarPosition(int displayWidth, int displayHeight, int displayRotation) {
4670        if (mNavigationBarCanMove && displayWidth > displayHeight) {
4671            if (displayRotation == Surface.ROTATION_270) {
4672                return NAV_BAR_LEFT;
4673            } else {
4674                return NAV_BAR_RIGHT;
4675            }
4676        }
4677        return NAV_BAR_BOTTOM;
4678    }
4679
4680    /** {@inheritDoc} */
4681    @Override
4682    public int getSystemDecorLayerLw() {
4683        if (mStatusBar != null && mStatusBar.isVisibleLw()) {
4684            return mStatusBar.getSurfaceLayer();
4685        }
4686
4687        if (mNavigationBar != null && mNavigationBar.isVisibleLw()) {
4688            return mNavigationBar.getSurfaceLayer();
4689        }
4690
4691        return 0;
4692    }
4693
4694    @Override
4695    public void getContentRectLw(Rect r) {
4696        r.set(mContentLeft, mContentTop, mContentRight, mContentBottom);
4697    }
4698
4699    void setAttachedWindowFrames(WindowState win, int fl, int adjust, WindowState attached,
4700            boolean insetDecors, Rect pf, Rect df, Rect of, Rect cf, Rect vf) {
4701        if (win.getSurfaceLayer() > mDockLayer && attached.getSurfaceLayer() < mDockLayer) {
4702            // Here's a special case: if this attached window is a panel that is
4703            // above the dock window, and the window it is attached to is below
4704            // the dock window, then the frames we computed for the window it is
4705            // attached to can not be used because the dock is effectively part
4706            // of the underlying window and the attached window is floating on top
4707            // of the whole thing.  So, we ignore the attached window and explicitly
4708            // compute the frames that would be appropriate without the dock.
4709            df.left = of.left = cf.left = vf.left = mDockLeft;
4710            df.top = of.top = cf.top = vf.top = mDockTop;
4711            df.right = of.right = cf.right = vf.right = mDockRight;
4712            df.bottom = of.bottom = cf.bottom = vf.bottom = mDockBottom;
4713        } else {
4714            // The effective display frame of the attached window depends on
4715            // whether it is taking care of insetting its content.  If not,
4716            // we need to use the parent's content frame so that the entire
4717            // window is positioned within that content.  Otherwise we can use
4718            // the overscan frame and let the attached window take care of
4719            // positioning its content appropriately.
4720            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4721                // Set the content frame of the attached window to the parent's decor frame
4722                // (same as content frame when IME isn't present) if specifically requested by
4723                // setting {@link WindowManager.LayoutParams#FLAG_LAYOUT_ATTACHED_IN_DECOR} flag.
4724                // Otherwise, use the overscan frame.
4725                cf.set((fl & FLAG_LAYOUT_ATTACHED_IN_DECOR) != 0
4726                        ? attached.getContentFrameLw() : attached.getOverscanFrameLw());
4727            } else {
4728                // If the window is resizing, then we want to base the content
4729                // frame on our attached content frame to resize...  however,
4730                // things can be tricky if the attached window is NOT in resize
4731                // mode, in which case its content frame will be larger.
4732                // Ungh.  So to deal with that, make sure the content frame
4733                // we end up using is not covering the IM dock.
4734                cf.set(attached.getContentFrameLw());
4735                if (attached.isVoiceInteraction()) {
4736                    if (cf.left < mVoiceContentLeft) cf.left = mVoiceContentLeft;
4737                    if (cf.top < mVoiceContentTop) cf.top = mVoiceContentTop;
4738                    if (cf.right > mVoiceContentRight) cf.right = mVoiceContentRight;
4739                    if (cf.bottom > mVoiceContentBottom) cf.bottom = mVoiceContentBottom;
4740                } else if (attached.getSurfaceLayer() < mDockLayer) {
4741                    if (cf.left < mContentLeft) cf.left = mContentLeft;
4742                    if (cf.top < mContentTop) cf.top = mContentTop;
4743                    if (cf.right > mContentRight) cf.right = mContentRight;
4744                    if (cf.bottom > mContentBottom) cf.bottom = mContentBottom;
4745                }
4746            }
4747            df.set(insetDecors ? attached.getDisplayFrameLw() : cf);
4748            of.set(insetDecors ? attached.getOverscanFrameLw() : cf);
4749            vf.set(attached.getVisibleFrameLw());
4750        }
4751        // The LAYOUT_IN_SCREEN flag is used to determine whether the attached
4752        // window should be positioned relative to its parent or the entire
4753        // screen.
4754        pf.set((fl & FLAG_LAYOUT_IN_SCREEN) == 0
4755                ? attached.getFrameLw() : df);
4756    }
4757
4758    private void applyStableConstraints(int sysui, int fl, Rect r) {
4759        if ((sysui & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
4760            // If app is requesting a stable layout, don't let the
4761            // content insets go below the stable values.
4762            if ((fl & FLAG_FULLSCREEN) != 0) {
4763                if (r.left < mStableFullscreenLeft) r.left = mStableFullscreenLeft;
4764                if (r.top < mStableFullscreenTop) r.top = mStableFullscreenTop;
4765                if (r.right > mStableFullscreenRight) r.right = mStableFullscreenRight;
4766                if (r.bottom > mStableFullscreenBottom) r.bottom = mStableFullscreenBottom;
4767            } else {
4768                if (r.left < mStableLeft) r.left = mStableLeft;
4769                if (r.top < mStableTop) r.top = mStableTop;
4770                if (r.right > mStableRight) r.right = mStableRight;
4771                if (r.bottom > mStableBottom) r.bottom = mStableBottom;
4772            }
4773        }
4774    }
4775
4776    private boolean canReceiveInput(WindowState win) {
4777        boolean notFocusable =
4778                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) != 0;
4779        boolean altFocusableIm =
4780                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM) != 0;
4781        boolean notFocusableForIm = notFocusable ^ altFocusableIm;
4782        return !notFocusableForIm;
4783    }
4784
4785    /** {@inheritDoc} */
4786    @Override
4787    public void layoutWindowLw(WindowState win, WindowState attached) {
4788        // We've already done the navigation bar and status bar. If the status bar can receive
4789        // input, we need to layout it again to accomodate for the IME window.
4790        if ((win == mStatusBar && !canReceiveInput(win)) || win == mNavigationBar) {
4791            return;
4792        }
4793        final WindowManager.LayoutParams attrs = win.getAttrs();
4794        final boolean isDefaultDisplay = win.isDefaultDisplay();
4795        final boolean needsToOffsetInputMethodTarget = isDefaultDisplay &&
4796                (win == mLastInputMethodTargetWindow && mLastInputMethodWindow != null);
4797        if (needsToOffsetInputMethodTarget) {
4798            if (DEBUG_LAYOUT) Slog.i(TAG, "Offset ime target window by the last ime window state");
4799            offsetInputMethodWindowLw(mLastInputMethodWindow);
4800        }
4801
4802        final int fl = PolicyControl.getWindowFlags(win, attrs);
4803        final int pfl = attrs.privateFlags;
4804        final int sim = attrs.softInputMode;
4805        final int sysUiFl = PolicyControl.getSystemUiVisibility(win, null);
4806
4807        final Rect pf = mTmpParentFrame;
4808        final Rect df = mTmpDisplayFrame;
4809        final Rect of = mTmpOverscanFrame;
4810        final Rect cf = mTmpContentFrame;
4811        final Rect vf = mTmpVisibleFrame;
4812        final Rect dcf = mTmpDecorFrame;
4813        final Rect sf = mTmpStableFrame;
4814        Rect osf = null;
4815        dcf.setEmpty();
4816
4817        final boolean hasNavBar = (isDefaultDisplay && mHasNavigationBar
4818                && mNavigationBar != null && mNavigationBar.isVisibleLw());
4819
4820        final int adjust = sim & SOFT_INPUT_MASK_ADJUST;
4821
4822        if (isDefaultDisplay) {
4823            sf.set(mStableLeft, mStableTop, mStableRight, mStableBottom);
4824        } else {
4825            sf.set(mOverscanLeft, mOverscanTop, mOverscanRight, mOverscanBottom);
4826        }
4827
4828        if (!isDefaultDisplay) {
4829            if (attached != null) {
4830                // If this window is attached to another, our display
4831                // frame is the same as the one we are attached to.
4832                setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4833            } else {
4834                // Give the window full screen.
4835                pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4836                pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4837                pf.right = df.right = of.right = cf.right
4838                        = mOverscanScreenLeft + mOverscanScreenWidth;
4839                pf.bottom = df.bottom = of.bottom = cf.bottom
4840                        = mOverscanScreenTop + mOverscanScreenHeight;
4841            }
4842        } else if (attrs.type == TYPE_INPUT_METHOD) {
4843            pf.left = df.left = of.left = cf.left = vf.left = mDockLeft;
4844            pf.top = df.top = of.top = cf.top = vf.top = mDockTop;
4845            pf.right = df.right = of.right = cf.right = vf.right = mDockRight;
4846            // IM dock windows layout below the nav bar...
4847            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4848            // ...with content insets above the nav bar
4849            cf.bottom = vf.bottom = mStableBottom;
4850            if (mStatusBar != null && mFocusedWindow == mStatusBar && canReceiveInput(mStatusBar)) {
4851                // The status bar forces the navigation bar while it's visible. Make sure the IME
4852                // avoids the navigation bar in that case.
4853                if (mNavigationBarPosition == NAV_BAR_RIGHT) {
4854                    pf.right = df.right = of.right = cf.right = vf.right = mStableRight;
4855                } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
4856                    pf.left = df.left = of.left = cf.left = vf.left = mStableLeft;
4857                }
4858            }
4859            // IM dock windows always go to the bottom of the screen.
4860            attrs.gravity = Gravity.BOTTOM;
4861            mDockLayer = win.getSurfaceLayer();
4862        } else if (attrs.type == TYPE_VOICE_INTERACTION) {
4863            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4864            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4865            pf.right = df.right = of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4866            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4867            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4868                cf.left = mDockLeft;
4869                cf.top = mDockTop;
4870                cf.right = mDockRight;
4871                cf.bottom = mDockBottom;
4872            } else {
4873                cf.left = mContentLeft;
4874                cf.top = mContentTop;
4875                cf.right = mContentRight;
4876                cf.bottom = mContentBottom;
4877            }
4878            if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4879                vf.left = mCurLeft;
4880                vf.top = mCurTop;
4881                vf.right = mCurRight;
4882                vf.bottom = mCurBottom;
4883            } else {
4884                vf.set(cf);
4885            }
4886        } else if (attrs.type == TYPE_WALLPAPER) {
4887           layoutWallpaper(win, pf, df, of, cf);
4888        } else if (win == mStatusBar) {
4889            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4890            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4891            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
4892            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight + mUnrestrictedScreenTop;
4893            cf.left = vf.left = mStableLeft;
4894            cf.top = vf.top = mStableTop;
4895            cf.right = vf.right = mStableRight;
4896            vf.bottom = mStableBottom;
4897
4898            if (adjust == SOFT_INPUT_ADJUST_RESIZE) {
4899                cf.bottom = mContentBottom;
4900            } else {
4901                cf.bottom = mDockBottom;
4902                vf.bottom = mContentBottom;
4903            }
4904        } else {
4905
4906            // Default policy decor for the default display
4907            dcf.left = mSystemLeft;
4908            dcf.top = mSystemTop;
4909            dcf.right = mSystemRight;
4910            dcf.bottom = mSystemBottom;
4911            final boolean inheritTranslucentDecor = (attrs.privateFlags
4912                    & WindowManager.LayoutParams.PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR) != 0;
4913            final boolean isAppWindow =
4914                    attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW &&
4915                    attrs.type <= WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
4916            final boolean topAtRest =
4917                    win == mTopFullscreenOpaqueWindowState && !win.isAnimatingLw();
4918            if (isAppWindow && !inheritTranslucentDecor && !topAtRest) {
4919                if ((sysUiFl & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0
4920                        && (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) == 0
4921                        && (fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) == 0
4922                        && (fl & WindowManager.LayoutParams.
4923                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0
4924                        && (pfl & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND) == 0) {
4925                    // Ensure policy decor includes status bar
4926                    dcf.top = mStableTop;
4927                }
4928                if ((fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) == 0
4929                        && (sysUiFl & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0
4930                        && (fl & WindowManager.LayoutParams.
4931                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
4932                    // Ensure policy decor includes navigation bar
4933                    dcf.bottom = mStableBottom;
4934                    dcf.right = mStableRight;
4935                }
4936            }
4937
4938            if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
4939                    == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
4940                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle()
4941                            + "): IN_SCREEN, INSET_DECOR");
4942                // This is the case for a normal activity window: we want it
4943                // to cover all of the screen space, and it can take care of
4944                // moving its contents to account for screen decorations that
4945                // intrude into that space.
4946                if (attached != null) {
4947                    // If this window is attached to another, our display
4948                    // frame is the same as the one we are attached to.
4949                    setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4950                } else {
4951                    if (attrs.type == TYPE_STATUS_BAR_PANEL
4952                            || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
4953                        // Status bar panels are the only windows who can go on top of
4954                        // the status bar.  They are protected by the STATUS_BAR_SERVICE
4955                        // permission, so they have the same privileges as the status
4956                        // bar itself.
4957                        //
4958                        // However, they should still dodge the navigation bar if it exists.
4959
4960                        pf.left = df.left = of.left = hasNavBar
4961                                ? mDockLeft : mUnrestrictedScreenLeft;
4962                        pf.top = df.top = of.top = mUnrestrictedScreenTop;
4963                        pf.right = df.right = of.right = hasNavBar
4964                                ? mRestrictedScreenLeft+mRestrictedScreenWidth
4965                                : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4966                        pf.bottom = df.bottom = of.bottom = hasNavBar
4967                                ? mRestrictedScreenTop+mRestrictedScreenHeight
4968                                : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4969
4970                        if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4971                                        "Laying out status bar window: (%d,%d - %d,%d)",
4972                                        pf.left, pf.top, pf.right, pf.bottom));
4973                    } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4974                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4975                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4976                        // Asking to layout into the overscan region, so give it that pure
4977                        // unrestricted area.
4978                        pf.left = df.left = of.left = mOverscanScreenLeft;
4979                        pf.top = df.top = of.top = mOverscanScreenTop;
4980                        pf.right = df.right = of.right = mOverscanScreenLeft + mOverscanScreenWidth;
4981                        pf.bottom = df.bottom = of.bottom = mOverscanScreenTop
4982                                + mOverscanScreenHeight;
4983                    } else if (canHideNavigationBar()
4984                            && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4985                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4986                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4987                        // Asking for layout as if the nav bar is hidden, lets the
4988                        // application extend into the unrestricted overscan screen area.  We
4989                        // only do this for application windows to ensure no window that
4990                        // can be above the nav bar can do this.
4991                        pf.left = df.left = mOverscanScreenLeft;
4992                        pf.top = df.top = mOverscanScreenTop;
4993                        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4994                        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4995                        // We need to tell the app about where the frame inside the overscan
4996                        // is, so it can inset its content by that amount -- it didn't ask
4997                        // to actually extend itself into the overscan region.
4998                        of.left = mUnrestrictedScreenLeft;
4999                        of.top = mUnrestrictedScreenTop;
5000                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
5001                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
5002                    } else {
5003                        pf.left = df.left = mRestrictedOverscanScreenLeft;
5004                        pf.top = df.top = mRestrictedOverscanScreenTop;
5005                        pf.right = df.right = mRestrictedOverscanScreenLeft
5006                                + mRestrictedOverscanScreenWidth;
5007                        pf.bottom = df.bottom = mRestrictedOverscanScreenTop
5008                                + mRestrictedOverscanScreenHeight;
5009                        // We need to tell the app about where the frame inside the overscan
5010                        // is, so it can inset its content by that amount -- it didn't ask
5011                        // to actually extend itself into the overscan region.
5012                        of.left = mUnrestrictedScreenLeft;
5013                        of.top = mUnrestrictedScreenTop;
5014                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
5015                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
5016                    }
5017
5018                    if ((fl & FLAG_FULLSCREEN) == 0) {
5019                        if (win.isVoiceInteraction()) {
5020                            cf.left = mVoiceContentLeft;
5021                            cf.top = mVoiceContentTop;
5022                            cf.right = mVoiceContentRight;
5023                            cf.bottom = mVoiceContentBottom;
5024                        } else {
5025                            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
5026                                cf.left = mDockLeft;
5027                                cf.top = mDockTop;
5028                                cf.right = mDockRight;
5029                                cf.bottom = mDockBottom;
5030                            } else {
5031                                cf.left = mContentLeft;
5032                                cf.top = mContentTop;
5033                                cf.right = mContentRight;
5034                                cf.bottom = mContentBottom;
5035                            }
5036                        }
5037                    } else {
5038                        // Full screen windows are always given a layout that is as if the
5039                        // status bar and other transient decors are gone.  This is to avoid
5040                        // bad states when moving from a window that is not hding the
5041                        // status bar to one that is.
5042                        cf.left = mRestrictedScreenLeft;
5043                        cf.top = mRestrictedScreenTop;
5044                        cf.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
5045                        cf.bottom = mRestrictedScreenTop + mRestrictedScreenHeight;
5046                    }
5047                    applyStableConstraints(sysUiFl, fl, cf);
5048                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
5049                        vf.left = mCurLeft;
5050                        vf.top = mCurTop;
5051                        vf.right = mCurRight;
5052                        vf.bottom = mCurBottom;
5053                    } else {
5054                        vf.set(cf);
5055                    }
5056                }
5057            } else if ((fl & FLAG_LAYOUT_IN_SCREEN) != 0 || (sysUiFl
5058                    & (View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
5059                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION)) != 0) {
5060                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
5061                        "): IN_SCREEN");
5062                // A window that has requested to fill the entire screen just
5063                // gets everything, period.
5064                if (attrs.type == TYPE_STATUS_BAR_PANEL
5065                        || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
5066                    pf.left = df.left = of.left = cf.left = hasNavBar
5067                            ? mDockLeft : mUnrestrictedScreenLeft;
5068                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
5069                    pf.right = df.right = of.right = cf.right = hasNavBar
5070                            ? mRestrictedScreenLeft + mRestrictedScreenWidth
5071                            : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
5072                    pf.bottom = df.bottom = of.bottom = cf.bottom = hasNavBar
5073                            ? mRestrictedScreenTop + mRestrictedScreenHeight
5074                            : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
5075                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
5076                            "Laying out IN_SCREEN status bar window: (%d,%d - %d,%d)",
5077                            pf.left, pf.top, pf.right, pf.bottom));
5078                } else if (attrs.type == TYPE_VOLUME_OVERLAY) {
5079                    // Volume overlay covers everything, including the status and navbar
5080                    pf.left = df.left = of.left = cf.left = mUnrestrictedScreenLeft;
5081                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
5082                    pf.right = df.right = of.right = cf.right =
5083                            mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
5084                    pf.bottom = df.bottom = of.bottom = cf.bottom =
5085                            mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
5086                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
5087                                    "Laying out IN_SCREEN status bar window: (%d,%d - %d,%d)",
5088                                    pf.left, pf.top, pf.right, pf.bottom));
5089                } else if (attrs.type == TYPE_NAVIGATION_BAR
5090                        || attrs.type == TYPE_NAVIGATION_BAR_PANEL) {
5091                    // The navigation bar has Real Ultimate Power.
5092                    pf.left = df.left = of.left = mUnrestrictedScreenLeft;
5093                    pf.top = df.top = of.top = mUnrestrictedScreenTop;
5094                    pf.right = df.right = of.right = mUnrestrictedScreenLeft
5095                            + mUnrestrictedScreenWidth;
5096                    pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop
5097                            + mUnrestrictedScreenHeight;
5098                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
5099                                    "Laying out navigation bar window: (%d,%d - %d,%d)",
5100                                    pf.left, pf.top, pf.right, pf.bottom));
5101                } else if ((attrs.type == TYPE_SECURE_SYSTEM_OVERLAY
5102                                || attrs.type == TYPE_BOOT_PROGRESS
5103                                || attrs.type == TYPE_SCREENSHOT)
5104                        && ((fl & FLAG_FULLSCREEN) != 0)) {
5105                    // Fullscreen secure system overlays get what they ask for. Screenshot region
5106                    // selection overlay should also expand to full screen.
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 = mOverscanScreenLeft
5110                            + mOverscanScreenWidth;
5111                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
5112                            + mOverscanScreenHeight;
5113                } else if (attrs.type == TYPE_BOOT_PROGRESS) {
5114                    // Boot progress screen always covers entire display.
5115                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
5116                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
5117                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
5118                            + mOverscanScreenWidth;
5119                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
5120                            + mOverscanScreenHeight;
5121                } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
5122                        && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
5123                        && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
5124                    // Asking to layout into the overscan region, so give it that pure
5125                    // unrestricted area.
5126                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
5127                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
5128                    pf.right = df.right = of.right = cf.right
5129                            = mOverscanScreenLeft + mOverscanScreenWidth;
5130                    pf.bottom = df.bottom = of.bottom = cf.bottom
5131                            = mOverscanScreenTop + mOverscanScreenHeight;
5132                } else if (canHideNavigationBar()
5133                        && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
5134                        && (attrs.type == TYPE_STATUS_BAR
5135                            || attrs.type == TYPE_TOAST
5136                            || attrs.type == TYPE_DOCK_DIVIDER
5137                            || attrs.type == TYPE_VOICE_INTERACTION_STARTING
5138                            || (attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
5139                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW))) {
5140                    // Asking for layout as if the nav bar is hidden, lets the
5141                    // application extend into the unrestricted screen area.  We
5142                    // only do this for application windows (or toasts) to ensure no window that
5143                    // can be above the nav bar can do this.
5144                    // XXX This assumes that an app asking for this will also
5145                    // ask for layout in only content.  We can't currently figure out
5146                    // what the screen would be if only laying out to hide the nav bar.
5147                    pf.left = df.left = of.left = cf.left = mUnrestrictedScreenLeft;
5148                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
5149                    pf.right = df.right = of.right = cf.right = mUnrestrictedScreenLeft
5150                            + mUnrestrictedScreenWidth;
5151                    pf.bottom = df.bottom = of.bottom = cf.bottom = mUnrestrictedScreenTop
5152                            + mUnrestrictedScreenHeight;
5153                } else if ((sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN) != 0) {
5154                    pf.left = df.left = of.left = mRestrictedScreenLeft;
5155                    pf.top = df.top = of.top  = mRestrictedScreenTop;
5156                    pf.right = df.right = of.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
5157                    pf.bottom = df.bottom = of.bottom = mRestrictedScreenTop
5158                            + mRestrictedScreenHeight;
5159                    if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
5160                        cf.left = mDockLeft;
5161                        cf.top = mDockTop;
5162                        cf.right = mDockRight;
5163                        cf.bottom = mDockBottom;
5164                    } else {
5165                        cf.left = mContentLeft;
5166                        cf.top = mContentTop;
5167                        cf.right = mContentRight;
5168                        cf.bottom = mContentBottom;
5169                    }
5170                } else {
5171                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
5172                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
5173                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
5174                            + mRestrictedScreenWidth;
5175                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
5176                            + mRestrictedScreenHeight;
5177                }
5178
5179                applyStableConstraints(sysUiFl, fl, cf);
5180
5181                if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
5182                    vf.left = mCurLeft;
5183                    vf.top = mCurTop;
5184                    vf.right = mCurRight;
5185                    vf.bottom = mCurBottom;
5186                } else {
5187                    vf.set(cf);
5188                }
5189            } else if (attached != null) {
5190                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
5191                        "): attached to " + attached);
5192                // A child window should be placed inside of the same visible
5193                // frame that its parent had.
5194                setAttachedWindowFrames(win, fl, adjust, attached, false, pf, df, of, cf, vf);
5195            } else {
5196                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
5197                        "): normal window");
5198                // Otherwise, a normal window must be placed inside the content
5199                // of all screen decorations.
5200                if (attrs.type == TYPE_STATUS_BAR_PANEL || attrs.type == TYPE_VOLUME_OVERLAY) {
5201                    // Status bar panels and the volume dialog are the only windows who can go on
5202                    // top of the status bar.  They are protected by the STATUS_BAR_SERVICE
5203                    // permission, so they have the same privileges as the status
5204                    // bar itself.
5205                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
5206                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
5207                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
5208                            + mRestrictedScreenWidth;
5209                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
5210                            + mRestrictedScreenHeight;
5211                } else if (attrs.type == TYPE_TOAST || attrs.type == TYPE_SYSTEM_ALERT) {
5212                    // These dialogs are stable to interim decor changes.
5213                    pf.left = df.left = of.left = cf.left = mStableLeft;
5214                    pf.top = df.top = of.top = cf.top = mStableTop;
5215                    pf.right = df.right = of.right = cf.right = mStableRight;
5216                    pf.bottom = df.bottom = of.bottom = cf.bottom = mStableBottom;
5217                } else {
5218                    pf.left = mContentLeft;
5219                    pf.top = mContentTop;
5220                    pf.right = mContentRight;
5221                    pf.bottom = mContentBottom;
5222                    if (win.isVoiceInteraction()) {
5223                        df.left = of.left = cf.left = mVoiceContentLeft;
5224                        df.top = of.top = cf.top = mVoiceContentTop;
5225                        df.right = of.right = cf.right = mVoiceContentRight;
5226                        df.bottom = of.bottom = cf.bottom = mVoiceContentBottom;
5227                    } else if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
5228                        df.left = of.left = cf.left = mDockLeft;
5229                        df.top = of.top = cf.top = mDockTop;
5230                        df.right = of.right = cf.right = mDockRight;
5231                        df.bottom = of.bottom = cf.bottom = mDockBottom;
5232                    } else {
5233                        df.left = of.left = cf.left = mContentLeft;
5234                        df.top = of.top = cf.top = mContentTop;
5235                        df.right = of.right = cf.right = mContentRight;
5236                        df.bottom = of.bottom = cf.bottom = mContentBottom;
5237                    }
5238                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
5239                        vf.left = mCurLeft;
5240                        vf.top = mCurTop;
5241                        vf.right = mCurRight;
5242                        vf.bottom = mCurBottom;
5243                    } else {
5244                        vf.set(cf);
5245                    }
5246                }
5247            }
5248        }
5249
5250        // TYPE_SYSTEM_ERROR is above the NavigationBar so it can't be allowed to extend over it.
5251        // Also, we don't allow windows in multi-window mode to extend out of the screen.
5252        if ((fl & FLAG_LAYOUT_NO_LIMITS) != 0 && attrs.type != TYPE_SYSTEM_ERROR
5253                && !win.isInMultiWindowMode()) {
5254            df.left = df.top = -10000;
5255            df.right = df.bottom = 10000;
5256            if (attrs.type != TYPE_WALLPAPER) {
5257                of.left = of.top = cf.left = cf.top = vf.left = vf.top = -10000;
5258                of.right = of.bottom = cf.right = cf.bottom = vf.right = vf.bottom = 10000;
5259            }
5260        }
5261
5262        // If the device has a chin (e.g. some watches), a dead area at the bottom of the screen we
5263        // need to provide information to the clients that want to pretend that you can draw there.
5264        // We only want to apply outsets to certain types of windows. For example, we never want to
5265        // apply the outsets to floating dialogs, because they wouldn't make sense there.
5266        final boolean useOutsets = shouldUseOutsets(attrs, fl);
5267        if (isDefaultDisplay && useOutsets) {
5268            osf = mTmpOutsetFrame;
5269            osf.set(cf.left, cf.top, cf.right, cf.bottom);
5270            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
5271            if (outset > 0) {
5272                int rotation = mDisplayRotation;
5273                if (rotation == Surface.ROTATION_0) {
5274                    osf.bottom += outset;
5275                } else if (rotation == Surface.ROTATION_90) {
5276                    osf.right += outset;
5277                } else if (rotation == Surface.ROTATION_180) {
5278                    osf.top -= outset;
5279                } else if (rotation == Surface.ROTATION_270) {
5280                    osf.left -= outset;
5281                }
5282                if (DEBUG_LAYOUT) Slog.v(TAG, "applying bottom outset of " + outset
5283                        + " with rotation " + rotation + ", result: " + osf);
5284            }
5285        }
5286
5287        if (DEBUG_LAYOUT) Slog.v(TAG, "Compute frame " + attrs.getTitle()
5288                + ": sim=#" + Integer.toHexString(sim)
5289                + " attach=" + attached + " type=" + attrs.type
5290                + String.format(" flags=0x%08x", fl)
5291                + " pf=" + pf.toShortString() + " df=" + df.toShortString()
5292                + " of=" + of.toShortString()
5293                + " cf=" + cf.toShortString() + " vf=" + vf.toShortString()
5294                + " dcf=" + dcf.toShortString()
5295                + " sf=" + sf.toShortString()
5296                + " osf=" + (osf == null ? "null" : osf.toShortString()));
5297
5298        win.computeFrameLw(pf, df, of, cf, vf, dcf, sf, osf);
5299
5300        // Dock windows carve out the bottom of the screen, so normal windows
5301        // can't appear underneath them.
5302        if (attrs.type == TYPE_INPUT_METHOD && win.isVisibleLw()
5303                && !win.getGivenInsetsPendingLw()) {
5304            setLastInputMethodWindowLw(null, null);
5305            offsetInputMethodWindowLw(win);
5306        }
5307        if (attrs.type == TYPE_VOICE_INTERACTION && win.isVisibleLw()
5308                && !win.getGivenInsetsPendingLw()) {
5309            offsetVoiceInputWindowLw(win);
5310        }
5311    }
5312
5313    private void layoutWallpaper(WindowState win, Rect pf, Rect df, Rect of, Rect cf) {
5314
5315        // The wallpaper also has Real Ultimate Power, but we want to tell
5316        // it about the overscan area.
5317        pf.left = df.left = mOverscanScreenLeft;
5318        pf.top = df.top = mOverscanScreenTop;
5319        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
5320        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
5321        of.left = cf.left = mUnrestrictedScreenLeft;
5322        of.top = cf.top = mUnrestrictedScreenTop;
5323        of.right = cf.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
5324        of.bottom = cf.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
5325    }
5326
5327    private void offsetInputMethodWindowLw(WindowState win) {
5328        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
5329        top += win.getGivenContentInsetsLw().top;
5330        if (mContentBottom > top) {
5331            mContentBottom = top;
5332        }
5333        if (mVoiceContentBottom > top) {
5334            mVoiceContentBottom = top;
5335        }
5336        top = win.getVisibleFrameLw().top;
5337        top += win.getGivenVisibleInsetsLw().top;
5338        if (mCurBottom > top) {
5339            mCurBottom = top;
5340        }
5341        if (DEBUG_LAYOUT) Slog.v(TAG, "Input method: mDockBottom="
5342                + mDockBottom + " mContentBottom="
5343                + mContentBottom + " mCurBottom=" + mCurBottom);
5344    }
5345
5346    private void offsetVoiceInputWindowLw(WindowState win) {
5347        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
5348        top += win.getGivenContentInsetsLw().top;
5349        if (mVoiceContentBottom > top) {
5350            mVoiceContentBottom = top;
5351        }
5352    }
5353
5354    /** {@inheritDoc} */
5355    @Override
5356    public void finishLayoutLw() {
5357        return;
5358    }
5359
5360    /** {@inheritDoc} */
5361    @Override
5362    public void beginPostLayoutPolicyLw(int displayWidth, int displayHeight) {
5363        mTopFullscreenOpaqueWindowState = null;
5364        mTopFullscreenOpaqueOrDimmingWindowState = null;
5365        mTopDockedOpaqueWindowState = null;
5366        mTopDockedOpaqueOrDimmingWindowState = null;
5367        mForceStatusBar = false;
5368        mForceStatusBarFromKeyguard = false;
5369        mForceStatusBarTransparent = false;
5370        mForcingShowNavBar = false;
5371        mForcingShowNavBarLayer = -1;
5372
5373        mAllowLockscreenWhenOn = false;
5374        mShowingDream = false;
5375    }
5376
5377    /** {@inheritDoc} */
5378    @Override
5379    public void applyPostLayoutPolicyLw(WindowState win, WindowManager.LayoutParams attrs,
5380            WindowState attached, WindowState imeTarget) {
5381        final boolean affectsSystemUi = win.canAffectSystemUiFlags();
5382        if (DEBUG_LAYOUT) Slog.i(TAG, "Win " + win + ": affectsSystemUi=" + affectsSystemUi);
5383        applyKeyguardPolicyLw(win, imeTarget);
5384        final int fl = PolicyControl.getWindowFlags(win, attrs);
5385        if (mTopFullscreenOpaqueWindowState == null && affectsSystemUi
5386                && attrs.type == TYPE_INPUT_METHOD) {
5387            mForcingShowNavBar = true;
5388            mForcingShowNavBarLayer = win.getSurfaceLayer();
5389        }
5390        if (attrs.type == TYPE_STATUS_BAR) {
5391            if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
5392                mForceStatusBarFromKeyguard = true;
5393            }
5394            if ((attrs.privateFlags & PRIVATE_FLAG_FORCE_STATUS_BAR_VISIBLE_TRANSPARENT) != 0) {
5395                mForceStatusBarTransparent = true;
5396            }
5397        }
5398
5399        boolean appWindow = attrs.type >= FIRST_APPLICATION_WINDOW
5400                && attrs.type < FIRST_SYSTEM_WINDOW;
5401        final int stackId = win.getStackId();
5402        if (mTopFullscreenOpaqueWindowState == null && affectsSystemUi) {
5403            if ((fl & FLAG_FORCE_NOT_FULLSCREEN) != 0) {
5404                mForceStatusBar = true;
5405            }
5406            if (attrs.type == TYPE_DREAM) {
5407                // If the lockscreen was showing when the dream started then wait
5408                // for the dream to draw before hiding the lockscreen.
5409                if (!mDreamingLockscreen
5410                        || (win.isVisibleLw() && win.hasDrawnLw())) {
5411                    mShowingDream = true;
5412                    appWindow = true;
5413                }
5414            }
5415
5416            // For app windows that are not attached, we decide if all windows in the app they
5417            // represent should be hidden or if we should hide the lockscreen. For attached app
5418            // windows we defer the decision to the window it is attached to.
5419            if (appWindow && attached == null) {
5420                if (attrs.isFullscreen() && StackId.normallyFullscreenWindows(stackId)) {
5421                    if (DEBUG_LAYOUT) Slog.v(TAG, "Fullscreen window: " + win);
5422                    mTopFullscreenOpaqueWindowState = win;
5423                    if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
5424                        mTopFullscreenOpaqueOrDimmingWindowState = win;
5425                    }
5426                    if ((fl & FLAG_ALLOW_LOCK_WHILE_SCREEN_ON) != 0) {
5427                        mAllowLockscreenWhenOn = true;
5428                    }
5429                }
5430            }
5431        }
5432
5433        // Voice interaction overrides both top fullscreen and top docked.
5434        if (affectsSystemUi && win.getAttrs().type == TYPE_VOICE_INTERACTION) {
5435            if (mTopFullscreenOpaqueWindowState == null) {
5436                mTopFullscreenOpaqueWindowState = win;
5437                if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
5438                    mTopFullscreenOpaqueOrDimmingWindowState = win;
5439                }
5440            }
5441            if (mTopDockedOpaqueWindowState == null) {
5442                mTopDockedOpaqueWindowState = win;
5443                if (mTopDockedOpaqueOrDimmingWindowState == null) {
5444                    mTopDockedOpaqueOrDimmingWindowState = win;
5445                }
5446            }
5447        }
5448
5449        // Keep track of the window if it's dimming but not necessarily fullscreen.
5450        if (mTopFullscreenOpaqueOrDimmingWindowState == null && affectsSystemUi
5451                && win.isDimming() && StackId.normallyFullscreenWindows(stackId)) {
5452            mTopFullscreenOpaqueOrDimmingWindowState = win;
5453        }
5454
5455        // We need to keep track of the top "fullscreen" opaque window for the docked stack
5456        // separately, because both the "real fullscreen" opaque window and the one for the docked
5457        // stack can control View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR.
5458        if (mTopDockedOpaqueWindowState == null && affectsSystemUi && appWindow && attached == null
5459                && attrs.isFullscreen() && stackId == DOCKED_STACK_ID) {
5460            mTopDockedOpaqueWindowState = win;
5461            if (mTopDockedOpaqueOrDimmingWindowState == null) {
5462                mTopDockedOpaqueOrDimmingWindowState = win;
5463            }
5464        }
5465
5466        // Also keep track of any windows that are dimming but not necessarily fullscreen in the
5467        // docked stack.
5468        if (mTopDockedOpaqueOrDimmingWindowState == null && affectsSystemUi && win.isDimming()
5469                && stackId == DOCKED_STACK_ID) {
5470            mTopDockedOpaqueOrDimmingWindowState = win;
5471        }
5472    }
5473
5474    private void applyKeyguardPolicyLw(WindowState win, WindowState imeTarget) {
5475        if (canBeHiddenByKeyguardLw(win)) {
5476            if (shouldBeHiddenByKeyguard(win, imeTarget)) {
5477                win.hideLw(false /* doAnimation */);
5478            } else {
5479                win.showLw(false /* doAnimation */);
5480            }
5481        }
5482    }
5483
5484    /** {@inheritDoc} */
5485    @Override
5486    public int finishPostLayoutPolicyLw() {
5487        int changes = 0;
5488        boolean topIsFullscreen = false;
5489
5490        final WindowManager.LayoutParams lp = (mTopFullscreenOpaqueWindowState != null)
5491                ? mTopFullscreenOpaqueWindowState.getAttrs()
5492                : null;
5493
5494        // If we are not currently showing a dream then remember the current
5495        // lockscreen state.  We will use this to determine whether the dream
5496        // started while the lockscreen was showing and remember this state
5497        // while the dream is showing.
5498        if (!mShowingDream) {
5499            mDreamingLockscreen = isKeyguardShowingAndNotOccluded();
5500            if (mDreamingSleepTokenNeeded) {
5501                mDreamingSleepTokenNeeded = false;
5502                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 0, 1).sendToTarget();
5503            }
5504        } else {
5505            if (!mDreamingSleepTokenNeeded) {
5506                mDreamingSleepTokenNeeded = true;
5507                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 1, 1).sendToTarget();
5508            }
5509        }
5510
5511        if (mStatusBar != null) {
5512            if (DEBUG_LAYOUT) Slog.i(TAG, "force=" + mForceStatusBar
5513                    + " forcefkg=" + mForceStatusBarFromKeyguard
5514                    + " top=" + mTopFullscreenOpaqueWindowState);
5515            boolean shouldBeTransparent = mForceStatusBarTransparent
5516                    && !mForceStatusBar
5517                    && !mForceStatusBarFromKeyguard;
5518            if (!shouldBeTransparent) {
5519                mStatusBarController.setShowTransparent(false /* transparent */);
5520            } else if (!mStatusBar.isVisibleLw()) {
5521                mStatusBarController.setShowTransparent(true /* transparent */);
5522            }
5523
5524            WindowManager.LayoutParams statusBarAttrs = mStatusBar.getAttrs();
5525            boolean statusBarExpanded = statusBarAttrs.height == MATCH_PARENT
5526                    && statusBarAttrs.width == MATCH_PARENT;
5527            if (mForceStatusBar || mForceStatusBarFromKeyguard || mForceStatusBarTransparent
5528                    || statusBarExpanded) {
5529                if (DEBUG_LAYOUT) Slog.v(TAG, "Showing status bar: forced");
5530                if (mStatusBarController.setBarShowingLw(true)) {
5531                    changes |= FINISH_LAYOUT_REDO_LAYOUT;
5532                }
5533                // Maintain fullscreen layout until incoming animation is complete.
5534                topIsFullscreen = mTopIsFullscreen && mStatusBar.isAnimatingLw();
5535                // Transient status bar on the lockscreen is not allowed
5536                if ((mForceStatusBarFromKeyguard || statusBarExpanded)
5537                        && mStatusBarController.isTransientShowing()) {
5538                    mStatusBarController.updateVisibilityLw(false /*transientAllowed*/,
5539                            mLastSystemUiFlags, mLastSystemUiFlags);
5540                }
5541                if (statusBarExpanded && mNavigationBar != null) {
5542                    if (mNavigationBarController.setBarShowingLw(true)) {
5543                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5544                    }
5545                }
5546            } else if (mTopFullscreenOpaqueWindowState != null) {
5547                final int fl = PolicyControl.getWindowFlags(null, lp);
5548                if (localLOGV) {
5549                    Slog.d(TAG, "frame: " + mTopFullscreenOpaqueWindowState.getFrameLw()
5550                            + " shown position: "
5551                            + mTopFullscreenOpaqueWindowState.getShownPositionLw());
5552                    Slog.d(TAG, "attr: " + mTopFullscreenOpaqueWindowState.getAttrs()
5553                            + " lp.flags=0x" + Integer.toHexString(fl));
5554                }
5555                topIsFullscreen = (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0
5556                        || (mLastSystemUiFlags & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
5557                // The subtle difference between the window for mTopFullscreenOpaqueWindowState
5558                // and mTopIsFullscreen is that mTopIsFullscreen is set only if the window
5559                // has the FLAG_FULLSCREEN set.  Not sure if there is another way that to be the
5560                // case though.
5561                if (mStatusBarController.isTransientShowing()) {
5562                    if (mStatusBarController.setBarShowingLw(true)) {
5563                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5564                    }
5565                } else if (topIsFullscreen
5566                        && !mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID)
5567                        && !mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID)) {
5568                    if (DEBUG_LAYOUT) Slog.v(TAG, "** HIDING status bar");
5569                    if (mStatusBarController.setBarShowingLw(false)) {
5570                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5571                    } else {
5572                        if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar already hiding");
5573                    }
5574                } else {
5575                    if (DEBUG_LAYOUT) Slog.v(TAG, "** SHOWING status bar: top is not fullscreen");
5576                    if (mStatusBarController.setBarShowingLw(true)) {
5577                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5578                    }
5579                }
5580            }
5581        }
5582
5583        if (mTopIsFullscreen != topIsFullscreen) {
5584            if (!topIsFullscreen) {
5585                // Force another layout when status bar becomes fully shown.
5586                changes |= FINISH_LAYOUT_REDO_LAYOUT;
5587            }
5588            mTopIsFullscreen = topIsFullscreen;
5589        }
5590
5591        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
5592            // If the navigation bar has been hidden or shown, we need to do another
5593            // layout pass to update that window.
5594            changes |= FINISH_LAYOUT_REDO_LAYOUT;
5595        }
5596
5597        if (mShowingDream != mLastShowingDream) {
5598            mLastShowingDream = mShowingDream;
5599            mWindowManagerFuncs.notifyShowingDreamChanged();
5600        }
5601
5602        // update since mAllowLockscreenWhenOn might have changed
5603        updateLockScreenTimeout();
5604        return changes;
5605    }
5606
5607    /**
5608     * Updates the occluded state of the Keyguard.
5609     *
5610     * @return Whether the flags have changed and we have to redo the layout.
5611     */
5612    private boolean setKeyguardOccludedLw(boolean isOccluded, boolean force) {
5613        if (DEBUG_KEYGUARD) Slog.d(TAG, "setKeyguardOccluded occluded=" + isOccluded);
5614        final boolean wasOccluded = mKeyguardOccluded;
5615        final boolean showing = mKeyguardDelegate.isShowing();
5616        final boolean changed = wasOccluded != isOccluded || force;
5617        if (!isOccluded && changed && showing) {
5618            mKeyguardOccluded = false;
5619            mKeyguardDelegate.setOccluded(false, true /* animate */);
5620            if (mStatusBar != null) {
5621                mStatusBar.getAttrs().privateFlags |= PRIVATE_FLAG_KEYGUARD;
5622                if (!mKeyguardDelegate.hasLockscreenWallpaper()) {
5623                    mStatusBar.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
5624                }
5625            }
5626            return true;
5627        } else if (isOccluded && changed && showing) {
5628            mKeyguardOccluded = true;
5629            mKeyguardDelegate.setOccluded(true, false /* animate */);
5630            if (mStatusBar != null) {
5631                mStatusBar.getAttrs().privateFlags &= ~PRIVATE_FLAG_KEYGUARD;
5632                mStatusBar.getAttrs().flags &= ~FLAG_SHOW_WALLPAPER;
5633            }
5634            return true;
5635        } else if (changed) {
5636            mKeyguardOccluded = isOccluded;
5637            mKeyguardDelegate.setOccluded(isOccluded, false /* animate */);
5638            return false;
5639        } else {
5640            return false;
5641        }
5642    }
5643
5644    private boolean isStatusBarKeyguard() {
5645        return mStatusBar != null
5646                && (mStatusBar.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
5647    }
5648
5649    @Override
5650    public boolean allowAppAnimationsLw() {
5651        if (mShowingDream) {
5652            // If keyguard or dreams is currently visible, no reason to animate behind it.
5653            return false;
5654        }
5655        return true;
5656    }
5657
5658    @Override
5659    public int focusChangedLw(WindowState lastFocus, WindowState newFocus) {
5660        mFocusedWindow = newFocus;
5661        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
5662            // If the navigation bar has been hidden or shown, we need to do another
5663            // layout pass to update that window.
5664            return FINISH_LAYOUT_REDO_LAYOUT;
5665        }
5666        return 0;
5667    }
5668
5669    /** {@inheritDoc} */
5670    @Override
5671    public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
5672        // lid changed state
5673        final int newLidState = lidOpen ? LID_OPEN : LID_CLOSED;
5674        if (newLidState == mLidState) {
5675            return;
5676        }
5677
5678        mLidState = newLidState;
5679        applyLidSwitchState();
5680        updateRotation(true);
5681
5682        if (lidOpen) {
5683            wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromLidSwitch,
5684                    "android.policy:LID");
5685        } else if (!mLidControlsSleep) {
5686            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
5687        }
5688    }
5689
5690    @Override
5691    public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) {
5692        int lensCoverState = lensCovered ? CAMERA_LENS_COVERED : CAMERA_LENS_UNCOVERED;
5693        if (mCameraLensCoverState == lensCoverState) {
5694            return;
5695        }
5696        if (mCameraLensCoverState == CAMERA_LENS_COVERED &&
5697                lensCoverState == CAMERA_LENS_UNCOVERED) {
5698            Intent intent;
5699            final boolean keyguardActive = mKeyguardDelegate == null ? false :
5700                    mKeyguardDelegate.isShowing();
5701            if (keyguardActive) {
5702                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);
5703            } else {
5704                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
5705            }
5706            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromCameraLens,
5707                    "android.policy:CAMERA_COVER");
5708            startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
5709        }
5710        mCameraLensCoverState = lensCoverState;
5711    }
5712
5713    void setHdmiPlugged(boolean plugged) {
5714        if (mHdmiPlugged != plugged) {
5715            mHdmiPlugged = plugged;
5716            updateRotation(true, true);
5717            Intent intent = new Intent(ACTION_HDMI_PLUGGED);
5718            intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
5719            intent.putExtra(EXTRA_HDMI_PLUGGED_STATE, plugged);
5720            mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
5721        }
5722    }
5723
5724    void initializeHdmiState() {
5725        boolean plugged = false;
5726        // watch for HDMI plug messages if the hdmi switch exists
5727        if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
5728            mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
5729
5730            final String filename = "/sys/class/switch/hdmi/state";
5731            FileReader reader = null;
5732            try {
5733                reader = new FileReader(filename);
5734                char[] buf = new char[15];
5735                int n = reader.read(buf);
5736                if (n > 1) {
5737                    plugged = 0 != Integer.parseInt(new String(buf, 0, n-1));
5738                }
5739            } catch (IOException ex) {
5740                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
5741            } catch (NumberFormatException ex) {
5742                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
5743            } finally {
5744                if (reader != null) {
5745                    try {
5746                        reader.close();
5747                    } catch (IOException ex) {
5748                    }
5749                }
5750            }
5751        }
5752        // This dance forces the code in setHdmiPlugged to run.
5753        // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
5754        mHdmiPlugged = !plugged;
5755        setHdmiPlugged(!mHdmiPlugged);
5756    }
5757
5758    final Object mScreenshotLock = new Object();
5759    ServiceConnection mScreenshotConnection = null;
5760
5761    final Runnable mScreenshotTimeout = new Runnable() {
5762        @Override public void run() {
5763            synchronized (mScreenshotLock) {
5764                if (mScreenshotConnection != null) {
5765                    mContext.unbindService(mScreenshotConnection);
5766                    mScreenshotConnection = null;
5767                    notifyScreenshotError();
5768                }
5769            }
5770        }
5771    };
5772
5773    // Assume this is called from the Handler thread.
5774    private void takeScreenshot(final int screenshotType) {
5775        synchronized (mScreenshotLock) {
5776            if (mScreenshotConnection != null) {
5777                return;
5778            }
5779            final ComponentName serviceComponent = new ComponentName(SYSUI_PACKAGE,
5780                    SYSUI_SCREENSHOT_SERVICE);
5781            final Intent serviceIntent = new Intent();
5782            serviceIntent.setComponent(serviceComponent);
5783            ServiceConnection conn = new ServiceConnection() {
5784                @Override
5785                public void onServiceConnected(ComponentName name, IBinder service) {
5786                    synchronized (mScreenshotLock) {
5787                        if (mScreenshotConnection != this) {
5788                            return;
5789                        }
5790                        Messenger messenger = new Messenger(service);
5791                        Message msg = Message.obtain(null, screenshotType);
5792                        final ServiceConnection myConn = this;
5793                        Handler h = new Handler(mHandler.getLooper()) {
5794                            @Override
5795                            public void handleMessage(Message msg) {
5796                                synchronized (mScreenshotLock) {
5797                                    if (mScreenshotConnection == myConn) {
5798                                        mContext.unbindService(mScreenshotConnection);
5799                                        mScreenshotConnection = null;
5800                                        mHandler.removeCallbacks(mScreenshotTimeout);
5801                                    }
5802                                }
5803                            }
5804                        };
5805                        msg.replyTo = new Messenger(h);
5806                        msg.arg1 = msg.arg2 = 0;
5807                        if (mStatusBar != null && mStatusBar.isVisibleLw())
5808                            msg.arg1 = 1;
5809                        if (mNavigationBar != null && mNavigationBar.isVisibleLw())
5810                            msg.arg2 = 1;
5811                        try {
5812                            messenger.send(msg);
5813                        } catch (RemoteException e) {
5814                        }
5815                    }
5816                }
5817
5818                @Override
5819                public void onServiceDisconnected(ComponentName name) {
5820                    synchronized (mScreenshotLock) {
5821                        if (mScreenshotConnection != null) {
5822                            mContext.unbindService(mScreenshotConnection);
5823                            mScreenshotConnection = null;
5824                            mHandler.removeCallbacks(mScreenshotTimeout);
5825                            notifyScreenshotError();
5826                        }
5827                    }
5828                }
5829            };
5830            if (mContext.bindServiceAsUser(serviceIntent, conn,
5831                    Context.BIND_AUTO_CREATE | Context.BIND_FOREGROUND_SERVICE_WHILE_AWAKE,
5832                    UserHandle.CURRENT)) {
5833                mScreenshotConnection = conn;
5834                mHandler.postDelayed(mScreenshotTimeout, 10000);
5835            }
5836        }
5837    }
5838
5839    /**
5840     * Notifies the screenshot service to show an error.
5841     */
5842    private void notifyScreenshotError() {
5843        // If the service process is killed, then ask it to clean up after itself
5844        final ComponentName errorComponent = new ComponentName(SYSUI_PACKAGE,
5845                SYSUI_SCREENSHOT_ERROR_RECEIVER);
5846        Intent errorIntent = new Intent(Intent.ACTION_USER_PRESENT);
5847        errorIntent.setComponent(errorComponent);
5848        errorIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT |
5849                Intent.FLAG_RECEIVER_FOREGROUND);
5850        mContext.sendBroadcastAsUser(errorIntent, UserHandle.CURRENT);
5851    }
5852
5853    /** {@inheritDoc} */
5854    @Override
5855    public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) {
5856        if (!mSystemBooted) {
5857            // If we have not yet booted, don't let key events do anything.
5858            return 0;
5859        }
5860
5861        final boolean interactive = (policyFlags & FLAG_INTERACTIVE) != 0;
5862        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
5863        final boolean canceled = event.isCanceled();
5864        final int keyCode = event.getKeyCode();
5865
5866        final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;
5867
5868        // If screen is off then we treat the case where the keyguard is open but hidden
5869        // the same as if it were open and in front.
5870        // This will prevent any keys other than the power button from waking the screen
5871        // when the keyguard is hidden by another activity.
5872        final boolean keyguardActive = (mKeyguardDelegate == null ? false :
5873                                            (interactive ?
5874                                                isKeyguardShowingAndNotOccluded() :
5875                                                mKeyguardDelegate.isShowing()));
5876
5877        if (DEBUG_INPUT) {
5878            Log.d(TAG, "interceptKeyTq keycode=" + keyCode
5879                    + " interactive=" + interactive + " keyguardActive=" + keyguardActive
5880                    + " policyFlags=" + Integer.toHexString(policyFlags));
5881        }
5882
5883        // Basic policy based on interactive state.
5884        int result;
5885        boolean isWakeKey = (policyFlags & WindowManagerPolicy.FLAG_WAKE) != 0
5886                || event.isWakeKey();
5887        if (interactive || (isInjected && !isWakeKey)) {
5888            // When the device is interactive or the key is injected pass the
5889            // key to the application.
5890            result = ACTION_PASS_TO_USER;
5891            isWakeKey = false;
5892
5893            if (interactive) {
5894                // If the screen is awake, but the button pressed was the one that woke the device
5895                // then don't pass it to the application
5896                if (keyCode == mPendingWakeKey && !down) {
5897                    result = 0;
5898                }
5899                // Reset the pending key
5900                mPendingWakeKey = PENDING_KEY_NULL;
5901            }
5902        } else if (!interactive && shouldDispatchInputWhenNonInteractive(event)) {
5903            // If we're currently dozing with the screen on and the keyguard showing, pass the key
5904            // to the application but preserve its wake key status to make sure we still move
5905            // from dozing to fully interactive if we would normally go from off to fully
5906            // interactive.
5907            result = ACTION_PASS_TO_USER;
5908            // Since we're dispatching the input, reset the pending key
5909            mPendingWakeKey = PENDING_KEY_NULL;
5910        } else {
5911            // When the screen is off and the key is not injected, determine whether
5912            // to wake the device but don't pass the key to the application.
5913            result = 0;
5914            if (isWakeKey && (!down || !isWakeKeyWhenScreenOff(keyCode))) {
5915                isWakeKey = false;
5916            }
5917            // Cache the wake key on down event so we can also avoid sending the up event to the app
5918            if (isWakeKey && down) {
5919                mPendingWakeKey = keyCode;
5920            }
5921        }
5922
5923        // If the key would be handled globally, just return the result, don't worry about special
5924        // key processing.
5925        if (isValidGlobalKey(keyCode)
5926                && mGlobalKeyManager.shouldHandleGlobalKey(keyCode, event)) {
5927            if (isWakeKey) {
5928                wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5929            }
5930            return result;
5931        }
5932
5933        boolean useHapticFeedback = down
5934                && (policyFlags & WindowManagerPolicy.FLAG_VIRTUAL) != 0
5935                && event.getRepeatCount() == 0;
5936
5937        // Handle special keys.
5938        switch (keyCode) {
5939            case KeyEvent.KEYCODE_BACK: {
5940                if (down) {
5941                    interceptBackKeyDown();
5942                } else {
5943                    boolean handled = interceptBackKeyUp(event);
5944
5945                    // Don't pass back press to app if we've already handled it via long press
5946                    if (handled) {
5947                        result &= ~ACTION_PASS_TO_USER;
5948                    }
5949                }
5950                break;
5951            }
5952
5953            case KeyEvent.KEYCODE_VOLUME_DOWN:
5954            case KeyEvent.KEYCODE_VOLUME_UP:
5955            case KeyEvent.KEYCODE_VOLUME_MUTE: {
5956                if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
5957                    if (down) {
5958                        if (interactive && !mScreenshotChordVolumeDownKeyTriggered
5959                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5960                            mScreenshotChordVolumeDownKeyTriggered = true;
5961                            mScreenshotChordVolumeDownKeyTime = event.getDownTime();
5962                            mScreenshotChordVolumeDownKeyConsumed = false;
5963                            cancelPendingPowerKeyAction();
5964                            interceptScreenshotChord();
5965                            interceptAccessibilityShortcutChord();
5966                        }
5967                    } else {
5968                        mScreenshotChordVolumeDownKeyTriggered = false;
5969                        cancelPendingScreenshotChordAction();
5970                        cancelPendingAccessibilityShortcutAction();
5971                    }
5972                } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
5973                    if (down) {
5974                        if (interactive && !mA11yShortcutChordVolumeUpKeyTriggered
5975                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5976                            mA11yShortcutChordVolumeUpKeyTriggered = true;
5977                            mA11yShortcutChordVolumeUpKeyTime = event.getDownTime();
5978                            mA11yShortcutChordVolumeUpKeyConsumed = false;
5979                            cancelPendingPowerKeyAction();
5980                            cancelPendingScreenshotChordAction();
5981                            interceptAccessibilityShortcutChord();
5982                        }
5983                    } else {
5984                        mA11yShortcutChordVolumeUpKeyTriggered = false;
5985                        cancelPendingScreenshotChordAction();
5986                        cancelPendingAccessibilityShortcutAction();
5987                    }
5988                }
5989                if (down) {
5990                    TelecomManager telecomManager = getTelecommService();
5991                    if (telecomManager != null) {
5992                        if (telecomManager.isRinging()) {
5993                            // If an incoming call is ringing, either VOLUME key means
5994                            // "silence ringer".  We handle these keys here, rather than
5995                            // in the InCallScreen, to make sure we'll respond to them
5996                            // even if the InCallScreen hasn't come to the foreground yet.
5997                            // Look for the DOWN event here, to agree with the "fallback"
5998                            // behavior in the InCallScreen.
5999                            Log.i(TAG, "interceptKeyBeforeQueueing:"
6000                                  + " VOLUME key-down while ringing: Silence ringer!");
6001
6002                            // Silence the ringer.  (It's safe to call this
6003                            // even if the ringer has already been silenced.)
6004                            telecomManager.silenceRinger();
6005
6006                            // And *don't* pass this key thru to the current activity
6007                            // (which is probably the InCallScreen.)
6008                            result &= ~ACTION_PASS_TO_USER;
6009                            break;
6010                        }
6011                    }
6012                    int audioMode = AudioManager.MODE_NORMAL;
6013                    try {
6014                        audioMode = getAudioService().getMode();
6015                    } catch (Exception e) {
6016                        Log.e(TAG, "Error getting AudioService in interceptKeyBeforeQueueing.", e);
6017                    }
6018                    boolean isInCall = (telecomManager != null && telecomManager.isInCall()) ||
6019                            audioMode == AudioManager.MODE_IN_COMMUNICATION;
6020                    if (isInCall && (result & ACTION_PASS_TO_USER) == 0) {
6021                        // If we are in call but we decided not to pass the key to
6022                        // the application, just pass it to the session service.
6023                        MediaSessionLegacyHelper.getHelper(mContext).sendVolumeKeyEvent(
6024                                event, AudioManager.USE_DEFAULT_STREAM_TYPE, false);
6025                        break;
6026                    }
6027
6028                }
6029                if (mUseTvRouting || mHandleVolumeKeysInWM) {
6030                    // Defer special key handlings to
6031                    // {@link interceptKeyBeforeDispatching()}.
6032                    result |= ACTION_PASS_TO_USER;
6033                } else if ((result & ACTION_PASS_TO_USER) == 0) {
6034                    // If we aren't passing to the user and no one else
6035                    // handled it send it to the session manager to
6036                    // figure out.
6037                    MediaSessionLegacyHelper.getHelper(mContext).sendVolumeKeyEvent(
6038                            event, AudioManager.USE_DEFAULT_STREAM_TYPE, true);
6039                }
6040                break;
6041            }
6042
6043            case KeyEvent.KEYCODE_ENDCALL: {
6044                result &= ~ACTION_PASS_TO_USER;
6045                if (down) {
6046                    TelecomManager telecomManager = getTelecommService();
6047                    boolean hungUp = false;
6048                    if (telecomManager != null) {
6049                        hungUp = telecomManager.endCall();
6050                    }
6051                    if (interactive && !hungUp) {
6052                        mEndCallKeyHandled = false;
6053                        mHandler.postDelayed(mEndCallLongPress,
6054                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
6055                    } else {
6056                        mEndCallKeyHandled = true;
6057                    }
6058                } else {
6059                    if (!mEndCallKeyHandled) {
6060                        mHandler.removeCallbacks(mEndCallLongPress);
6061                        if (!canceled) {
6062                            if ((mEndcallBehavior
6063                                    & Settings.System.END_BUTTON_BEHAVIOR_HOME) != 0) {
6064                                if (goHome()) {
6065                                    break;
6066                                }
6067                            }
6068                            if ((mEndcallBehavior
6069                                    & Settings.System.END_BUTTON_BEHAVIOR_SLEEP) != 0) {
6070                                mPowerManager.goToSleep(event.getEventTime(),
6071                                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
6072                                isWakeKey = false;
6073                            }
6074                        }
6075                    }
6076                }
6077                break;
6078            }
6079
6080            case KeyEvent.KEYCODE_POWER: {
6081                // Any activity on the power button stops the accessibility shortcut
6082                cancelPendingAccessibilityShortcutAction();
6083                result &= ~ACTION_PASS_TO_USER;
6084                isWakeKey = false; // wake-up will be handled separately
6085                if (down) {
6086                    interceptPowerKeyDown(event, interactive);
6087                } else {
6088                    interceptPowerKeyUp(event, interactive, canceled);
6089                }
6090                break;
6091            }
6092
6093            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_DOWN:
6094                // fall through
6095            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_UP:
6096                // fall through
6097            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_LEFT:
6098                // fall through
6099            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_RIGHT: {
6100                result &= ~ACTION_PASS_TO_USER;
6101                interceptSystemNavigationKey(event);
6102                break;
6103            }
6104
6105            case KeyEvent.KEYCODE_SLEEP: {
6106                result &= ~ACTION_PASS_TO_USER;
6107                isWakeKey = false;
6108                if (!mPowerManager.isInteractive()) {
6109                    useHapticFeedback = false; // suppress feedback if already non-interactive
6110                }
6111                if (down) {
6112                    sleepPress(event.getEventTime());
6113                } else {
6114                    sleepRelease(event.getEventTime());
6115                }
6116                break;
6117            }
6118
6119            case KeyEvent.KEYCODE_SOFT_SLEEP: {
6120                result &= ~ACTION_PASS_TO_USER;
6121                isWakeKey = false;
6122                if (!down) {
6123                    mPowerManagerInternal.setUserInactiveOverrideFromWindowManager();
6124                }
6125                break;
6126            }
6127
6128            case KeyEvent.KEYCODE_WAKEUP: {
6129                result &= ~ACTION_PASS_TO_USER;
6130                isWakeKey = true;
6131                break;
6132            }
6133
6134            case KeyEvent.KEYCODE_MEDIA_PLAY:
6135            case KeyEvent.KEYCODE_MEDIA_PAUSE:
6136            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
6137            case KeyEvent.KEYCODE_HEADSETHOOK:
6138            case KeyEvent.KEYCODE_MUTE:
6139            case KeyEvent.KEYCODE_MEDIA_STOP:
6140            case KeyEvent.KEYCODE_MEDIA_NEXT:
6141            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
6142            case KeyEvent.KEYCODE_MEDIA_REWIND:
6143            case KeyEvent.KEYCODE_MEDIA_RECORD:
6144            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
6145            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: {
6146                if (MediaSessionLegacyHelper.getHelper(mContext).isGlobalPriorityActive()) {
6147                    // If the global session is active pass all media keys to it
6148                    // instead of the active window.
6149                    result &= ~ACTION_PASS_TO_USER;
6150                }
6151                if ((result & ACTION_PASS_TO_USER) == 0) {
6152                    // Only do this if we would otherwise not pass it to the user. In that
6153                    // case, the PhoneWindow class will do the same thing, except it will
6154                    // only do it if the showing app doesn't process the key on its own.
6155                    // Note that we need to make a copy of the key event here because the
6156                    // original key event will be recycled when we return.
6157                    mBroadcastWakeLock.acquire();
6158                    Message msg = mHandler.obtainMessage(MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK,
6159                            new KeyEvent(event));
6160                    msg.setAsynchronous(true);
6161                    msg.sendToTarget();
6162                }
6163                break;
6164            }
6165
6166            case KeyEvent.KEYCODE_CALL: {
6167                if (down) {
6168                    TelecomManager telecomManager = getTelecommService();
6169                    if (telecomManager != null) {
6170                        if (telecomManager.isRinging()) {
6171                            Log.i(TAG, "interceptKeyBeforeQueueing:"
6172                                  + " CALL key-down while ringing: Answer the call!");
6173                            telecomManager.acceptRingingCall();
6174
6175                            // And *don't* pass this key thru to the current activity
6176                            // (which is presumably the InCallScreen.)
6177                            result &= ~ACTION_PASS_TO_USER;
6178                        }
6179                    }
6180                }
6181                break;
6182            }
6183            case KeyEvent.KEYCODE_VOICE_ASSIST: {
6184                // Only do this if we would otherwise not pass it to the user. In that case,
6185                // interceptKeyBeforeDispatching would apply a similar but different policy in
6186                // order to invoke voice assist actions. Note that we need to make a copy of the
6187                // key event here because the original key event will be recycled when we return.
6188                if ((result & ACTION_PASS_TO_USER) == 0 && !down) {
6189                    mBroadcastWakeLock.acquire();
6190                    Message msg = mHandler.obtainMessage(MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK,
6191                            keyguardActive ? 1 : 0, 0);
6192                    msg.setAsynchronous(true);
6193                    msg.sendToTarget();
6194                }
6195                break;
6196            }
6197            case KeyEvent.KEYCODE_WINDOW: {
6198                if (mShortPressWindowBehavior == SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE) {
6199                    if (mPictureInPictureVisible) {
6200                        // Consumes the key only if picture-in-picture is visible to show
6201                        // picture-in-picture control menu. This gives a chance to the foreground
6202                        // activity to customize PIP key behavior.
6203                        if (!down) {
6204                            showPictureInPictureMenu(event);
6205                        }
6206                        result &= ~ACTION_PASS_TO_USER;
6207                    }
6208                }
6209                break;
6210            }
6211        }
6212
6213        if (useHapticFeedback) {
6214            performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
6215        }
6216
6217        if (isWakeKey) {
6218            wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
6219        }
6220
6221        return result;
6222    }
6223
6224    /**
6225     * Handle statusbar expansion events.
6226     * @param event
6227     */
6228    private void interceptSystemNavigationKey(KeyEvent event) {
6229        if (event.getAction() == KeyEvent.ACTION_UP) {
6230            if (!mAccessibilityManager.isEnabled()
6231                    || !mAccessibilityManager.sendFingerprintGesture(event.getKeyCode())) {
6232                if (areSystemNavigationKeysEnabled()) {
6233                    IStatusBarService sbar = getStatusBarService();
6234                    if (sbar != null) {
6235                        try {
6236                            sbar.handleSystemKey(event.getKeyCode());
6237                        } catch (RemoteException e1) {
6238                            // oops, no statusbar. Ignore event.
6239                        }
6240                    }
6241                }
6242            }
6243        }
6244    }
6245
6246    /**
6247     * Returns true if the key can have global actions attached to it.
6248     * We reserve all power management keys for the system since they require
6249     * very careful handling.
6250     */
6251    private static boolean isValidGlobalKey(int keyCode) {
6252        switch (keyCode) {
6253            case KeyEvent.KEYCODE_POWER:
6254            case KeyEvent.KEYCODE_WAKEUP:
6255            case KeyEvent.KEYCODE_SLEEP:
6256                return false;
6257            default:
6258                return true;
6259        }
6260    }
6261
6262    /**
6263     * When the screen is off we ignore some keys that might otherwise typically
6264     * be considered wake keys.  We filter them out here.
6265     *
6266     * {@link KeyEvent#KEYCODE_POWER} is notably absent from this list because it
6267     * is always considered a wake key.
6268     */
6269    private boolean isWakeKeyWhenScreenOff(int keyCode) {
6270        switch (keyCode) {
6271            // ignore volume keys unless docked
6272            case KeyEvent.KEYCODE_VOLUME_UP:
6273            case KeyEvent.KEYCODE_VOLUME_DOWN:
6274            case KeyEvent.KEYCODE_VOLUME_MUTE:
6275                return mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;
6276
6277            // ignore media and camera keys
6278            case KeyEvent.KEYCODE_MUTE:
6279            case KeyEvent.KEYCODE_HEADSETHOOK:
6280            case KeyEvent.KEYCODE_MEDIA_PLAY:
6281            case KeyEvent.KEYCODE_MEDIA_PAUSE:
6282            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
6283            case KeyEvent.KEYCODE_MEDIA_STOP:
6284            case KeyEvent.KEYCODE_MEDIA_NEXT:
6285            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
6286            case KeyEvent.KEYCODE_MEDIA_REWIND:
6287            case KeyEvent.KEYCODE_MEDIA_RECORD:
6288            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
6289            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK:
6290            case KeyEvent.KEYCODE_CAMERA:
6291                return false;
6292        }
6293        return true;
6294    }
6295
6296
6297    /** {@inheritDoc} */
6298    @Override
6299    public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) {
6300        if ((policyFlags & FLAG_WAKE) != 0) {
6301            if (wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotion,
6302                    "android.policy:MOTION")) {
6303                return 0;
6304            }
6305        }
6306
6307        if (shouldDispatchInputWhenNonInteractive(null)) {
6308            return ACTION_PASS_TO_USER;
6309        }
6310
6311        // If we have not passed the action up and we are in theater mode without dreaming,
6312        // there will be no dream to intercept the touch and wake into ambient.  The device should
6313        // wake up in this case.
6314        if (isTheaterModeEnabled() && (policyFlags & FLAG_WAKE) != 0) {
6315            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotionWhenNotDreaming,
6316                    "android.policy:MOTION");
6317        }
6318
6319        return 0;
6320    }
6321
6322    private boolean shouldDispatchInputWhenNonInteractive(KeyEvent event) {
6323        final boolean displayOff = (mDisplay == null || mDisplay.getState() == Display.STATE_OFF);
6324
6325        if (displayOff && !mHasFeatureWatch) {
6326            return false;
6327        }
6328
6329        // Send events to keyguard while the screen is on and it's showing.
6330        if (isKeyguardShowingAndNotOccluded() && !displayOff) {
6331            return true;
6332        }
6333
6334        // Watches handle BACK specially
6335        if (mHasFeatureWatch
6336                && event != null
6337                && (event.getKeyCode() == KeyEvent.KEYCODE_BACK
6338                        || event.getKeyCode() == KeyEvent.KEYCODE_STEM_PRIMARY)) {
6339            return false;
6340        }
6341
6342        // Send events to a dozing dream even if the screen is off since the dream
6343        // is in control of the state of the screen.
6344        IDreamManager dreamManager = getDreamManager();
6345
6346        try {
6347            if (dreamManager != null && dreamManager.isDreaming()) {
6348                return true;
6349            }
6350        } catch (RemoteException e) {
6351            Slog.e(TAG, "RemoteException when checking if dreaming", e);
6352        }
6353
6354        // Otherwise, consume events since the user can't see what is being
6355        // interacted with.
6356        return false;
6357    }
6358
6359    private void dispatchDirectAudioEvent(KeyEvent event) {
6360        if (event.getAction() != KeyEvent.ACTION_DOWN) {
6361            return;
6362        }
6363        int keyCode = event.getKeyCode();
6364        int flags = AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_PLAY_SOUND
6365                | AudioManager.FLAG_FROM_KEY;
6366        String pkgName = mContext.getOpPackageName();
6367        switch (keyCode) {
6368            case KeyEvent.KEYCODE_VOLUME_UP:
6369                try {
6370                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_RAISE,
6371                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6372                } catch (Exception e) {
6373                    Log.e(TAG, "Error dispatching volume up in dispatchTvAudioEvent.", e);
6374                }
6375                break;
6376            case KeyEvent.KEYCODE_VOLUME_DOWN:
6377                try {
6378                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_LOWER,
6379                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6380                } catch (Exception e) {
6381                    Log.e(TAG, "Error dispatching volume down in dispatchTvAudioEvent.", e);
6382                }
6383                break;
6384            case KeyEvent.KEYCODE_VOLUME_MUTE:
6385                try {
6386                    if (event.getRepeatCount() == 0) {
6387                        getAudioService().adjustSuggestedStreamVolume(
6388                                AudioManager.ADJUST_TOGGLE_MUTE,
6389                                AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6390                    }
6391                } catch (Exception e) {
6392                    Log.e(TAG, "Error dispatching mute in dispatchTvAudioEvent.", e);
6393                }
6394                break;
6395        }
6396    }
6397
6398    void dispatchMediaKeyWithWakeLock(KeyEvent event) {
6399        if (DEBUG_INPUT) {
6400            Slog.d(TAG, "dispatchMediaKeyWithWakeLock: " + event);
6401        }
6402
6403        if (mHavePendingMediaKeyRepeatWithWakeLock) {
6404            if (DEBUG_INPUT) {
6405                Slog.d(TAG, "dispatchMediaKeyWithWakeLock: canceled repeat");
6406            }
6407
6408            mHandler.removeMessages(MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK);
6409            mHavePendingMediaKeyRepeatWithWakeLock = false;
6410            mBroadcastWakeLock.release(); // pending repeat was holding onto the wake lock
6411        }
6412
6413        dispatchMediaKeyWithWakeLockToAudioService(event);
6414
6415        if (event.getAction() == KeyEvent.ACTION_DOWN
6416                && event.getRepeatCount() == 0) {
6417            mHavePendingMediaKeyRepeatWithWakeLock = true;
6418
6419            Message msg = mHandler.obtainMessage(
6420                    MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK, event);
6421            msg.setAsynchronous(true);
6422            mHandler.sendMessageDelayed(msg, ViewConfiguration.getKeyRepeatTimeout());
6423        } else {
6424            mBroadcastWakeLock.release();
6425        }
6426    }
6427
6428    void dispatchMediaKeyRepeatWithWakeLock(KeyEvent event) {
6429        mHavePendingMediaKeyRepeatWithWakeLock = false;
6430
6431        KeyEvent repeatEvent = KeyEvent.changeTimeRepeat(event,
6432                SystemClock.uptimeMillis(), 1, event.getFlags() | KeyEvent.FLAG_LONG_PRESS);
6433        if (DEBUG_INPUT) {
6434            Slog.d(TAG, "dispatchMediaKeyRepeatWithWakeLock: " + repeatEvent);
6435        }
6436
6437        dispatchMediaKeyWithWakeLockToAudioService(repeatEvent);
6438        mBroadcastWakeLock.release();
6439    }
6440
6441    void dispatchMediaKeyWithWakeLockToAudioService(KeyEvent event) {
6442        if (mActivityManagerInternal.isSystemReady()) {
6443            MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(event, true);
6444        }
6445    }
6446
6447    void launchVoiceAssistWithWakeLock(boolean keyguardActive) {
6448        IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
6449                ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
6450        if (dic != null) {
6451            try {
6452                dic.exitIdle("voice-search");
6453            } catch (RemoteException e) {
6454            }
6455        }
6456        Intent voiceIntent =
6457            new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
6458        voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, keyguardActive);
6459        startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
6460        mBroadcastWakeLock.release();
6461    }
6462
6463    BroadcastReceiver mDockReceiver = new BroadcastReceiver() {
6464        @Override
6465        public void onReceive(Context context, Intent intent) {
6466            if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
6467                mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
6468                        Intent.EXTRA_DOCK_STATE_UNDOCKED);
6469            } else {
6470                try {
6471                    IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
6472                            ServiceManager.getService(Context.UI_MODE_SERVICE));
6473                    mUiMode = uiModeService.getCurrentModeType();
6474                } catch (RemoteException e) {
6475                }
6476            }
6477            updateRotation(true);
6478            synchronized (mLock) {
6479                updateOrientationListenerLp();
6480            }
6481        }
6482    };
6483
6484    BroadcastReceiver mDreamReceiver = new BroadcastReceiver() {
6485        @Override
6486        public void onReceive(Context context, Intent intent) {
6487            if (Intent.ACTION_DREAMING_STARTED.equals(intent.getAction())) {
6488                if (mKeyguardDelegate != null) {
6489                    mKeyguardDelegate.onDreamingStarted();
6490                }
6491            } else if (Intent.ACTION_DREAMING_STOPPED.equals(intent.getAction())) {
6492                if (mKeyguardDelegate != null) {
6493                    mKeyguardDelegate.onDreamingStopped();
6494                }
6495            }
6496        }
6497    };
6498
6499    BroadcastReceiver mMultiuserReceiver = new BroadcastReceiver() {
6500        @Override
6501        public void onReceive(Context context, Intent intent) {
6502            if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) {
6503                // tickle the settings observer: this first ensures that we're
6504                // observing the relevant settings for the newly-active user,
6505                // and then updates our own bookkeeping based on the now-
6506                // current user.
6507                mSettingsObserver.onChange(false);
6508
6509                // force a re-application of focused window sysui visibility.
6510                // the window may never have been shown for this user
6511                // e.g. the keyguard when going through the new-user setup flow
6512                synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6513                    mLastSystemUiFlags = 0;
6514                    updateSystemUiVisibilityLw();
6515                }
6516            }
6517        }
6518    };
6519
6520    private final Runnable mHiddenNavPanic = new Runnable() {
6521        @Override
6522        public void run() {
6523            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6524                if (!isUserSetupComplete()) {
6525                    // Swipe-up for navigation bar is disabled during setup
6526                    return;
6527                }
6528                mPendingPanicGestureUptime = SystemClock.uptimeMillis();
6529                if (!isNavBarEmpty(mLastSystemUiFlags)) {
6530                    mNavigationBarController.showTransient();
6531                }
6532            }
6533        }
6534    };
6535
6536    private void requestTransientBars(WindowState swipeTarget) {
6537        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6538            if (!isUserSetupComplete()) {
6539                // Swipe-up for navigation bar is disabled during setup
6540                return;
6541            }
6542            boolean sb = mStatusBarController.checkShowTransientBarLw();
6543            boolean nb = mNavigationBarController.checkShowTransientBarLw()
6544                    && !isNavBarEmpty(mLastSystemUiFlags);
6545            if (sb || nb) {
6546                // Don't show status bar when swiping on already visible navigation bar
6547                if (!nb && swipeTarget == mNavigationBar) {
6548                    if (DEBUG) Slog.d(TAG, "Not showing transient bar, wrong swipe target");
6549                    return;
6550                }
6551                if (sb) mStatusBarController.showTransient();
6552                if (nb) mNavigationBarController.showTransient();
6553                mImmersiveModeConfirmation.confirmCurrentPrompt();
6554                updateSystemUiVisibilityLw();
6555            }
6556        }
6557    }
6558
6559    // Called on the PowerManager's Notifier thread.
6560    @Override
6561    public void startedGoingToSleep(int why) {
6562        if (DEBUG_WAKEUP) Slog.i(TAG, "Started going to sleep... (why=" + why + ")");
6563        mCameraGestureTriggeredDuringGoingToSleep = false;
6564        mGoingToSleep = true;
6565        if (mKeyguardDelegate != null) {
6566            mKeyguardDelegate.onStartedGoingToSleep(why);
6567        }
6568    }
6569
6570    // Called on the PowerManager's Notifier thread.
6571    @Override
6572    public void finishedGoingToSleep(int why) {
6573        EventLog.writeEvent(70000, 0);
6574        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished going to sleep... (why=" + why + ")");
6575        MetricsLogger.histogram(mContext, "screen_timeout", mLockScreenTimeout / 1000);
6576
6577        mGoingToSleep = false;
6578
6579        // We must get this work done here because the power manager will drop
6580        // the wake lock and let the system suspend once this function returns.
6581        synchronized (mLock) {
6582            mAwake = false;
6583            updateWakeGestureListenerLp();
6584            updateOrientationListenerLp();
6585            updateLockScreenTimeout();
6586        }
6587        if (mKeyguardDelegate != null) {
6588            mKeyguardDelegate.onFinishedGoingToSleep(why,
6589                    mCameraGestureTriggeredDuringGoingToSleep);
6590        }
6591        mCameraGestureTriggeredDuringGoingToSleep = false;
6592    }
6593
6594    // Called on the PowerManager's Notifier thread.
6595    @Override
6596    public void startedWakingUp() {
6597        EventLog.writeEvent(70000, 1);
6598        if (DEBUG_WAKEUP) Slog.i(TAG, "Started waking up...");
6599
6600        // Since goToSleep performs these functions synchronously, we must
6601        // do the same here.  We cannot post this work to a handler because
6602        // that might cause it to become reordered with respect to what
6603        // may happen in a future call to goToSleep.
6604        synchronized (mLock) {
6605            mAwake = true;
6606
6607            updateWakeGestureListenerLp();
6608            updateOrientationListenerLp();
6609            updateLockScreenTimeout();
6610        }
6611
6612        if (mKeyguardDelegate != null) {
6613            mKeyguardDelegate.onStartedWakingUp();
6614        }
6615    }
6616
6617    // Called on the PowerManager's Notifier thread.
6618    @Override
6619    public void finishedWakingUp() {
6620        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished waking up...");
6621
6622        if (mKeyguardDelegate != null) {
6623            mKeyguardDelegate.onFinishedWakingUp();
6624        }
6625    }
6626
6627    private void wakeUpFromPowerKey(long eventTime) {
6628        wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey, "android.policy:POWER");
6629    }
6630
6631    private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode, String reason) {
6632        final boolean theaterModeEnabled = isTheaterModeEnabled();
6633        if (!wakeInTheaterMode && theaterModeEnabled) {
6634            return false;
6635        }
6636
6637        if (theaterModeEnabled) {
6638            Settings.Global.putInt(mContext.getContentResolver(),
6639                    Settings.Global.THEATER_MODE_ON, 0);
6640        }
6641
6642        mPowerManager.wakeUp(wakeTime, reason);
6643        return true;
6644    }
6645
6646    private void finishKeyguardDrawn() {
6647        synchronized (mLock) {
6648            if (!mScreenOnEarly || mKeyguardDrawComplete) {
6649                return; // We are not awake yet or we have already informed of this event.
6650            }
6651
6652            mKeyguardDrawComplete = true;
6653            if (mKeyguardDelegate != null) {
6654                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
6655            }
6656            mWindowManagerDrawComplete = false;
6657        }
6658
6659        // ... eventually calls finishWindowsDrawn which will finalize our screen turn on
6660        // as well as enabling the orientation change logic/sensor.
6661        mWindowManagerInternal.waitForAllWindowsDrawn(mWindowManagerDrawCallback,
6662                WAITING_FOR_DRAWN_TIMEOUT);
6663    }
6664
6665    // Called on the DisplayManager's DisplayPowerController thread.
6666    @Override
6667    public void screenTurnedOff() {
6668        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turned off...");
6669
6670        updateScreenOffSleepToken(true);
6671        synchronized (mLock) {
6672            mScreenOnEarly = false;
6673            mScreenOnFully = false;
6674            mKeyguardDrawComplete = false;
6675            mWindowManagerDrawComplete = false;
6676            mScreenOnListener = null;
6677            updateOrientationListenerLp();
6678
6679            if (mKeyguardDelegate != null) {
6680                mKeyguardDelegate.onScreenTurnedOff();
6681            }
6682        }
6683        reportScreenStateToVrManager(false);
6684    }
6685
6686    private long getKeyguardDrawnTimeout() {
6687        final boolean bootCompleted =
6688                LocalServices.getService(SystemServiceManager.class).isBootCompleted();
6689        // Set longer timeout if it has not booted yet to prevent showing empty window.
6690        return bootCompleted ? 1000 : 5000;
6691    }
6692
6693    // Called on the DisplayManager's DisplayPowerController thread.
6694    @Override
6695    public void screenTurningOn(final ScreenOnListener screenOnListener) {
6696        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turning on...");
6697
6698        updateScreenOffSleepToken(false);
6699        synchronized (mLock) {
6700            mScreenOnEarly = true;
6701            mScreenOnFully = false;
6702            mKeyguardDrawComplete = false;
6703            mWindowManagerDrawComplete = false;
6704            mScreenOnListener = screenOnListener;
6705
6706            if (mKeyguardDelegate != null) {
6707                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
6708                mHandler.sendEmptyMessageDelayed(MSG_KEYGUARD_DRAWN_TIMEOUT,
6709                        getKeyguardDrawnTimeout());
6710                mKeyguardDelegate.onScreenTurningOn(mKeyguardDrawnCallback);
6711            } else {
6712                if (DEBUG_WAKEUP) Slog.d(TAG,
6713                        "null mKeyguardDelegate: setting mKeyguardDrawComplete.");
6714                finishKeyguardDrawn();
6715            }
6716        }
6717    }
6718
6719    // Called on the DisplayManager's DisplayPowerController thread.
6720    @Override
6721    public void screenTurnedOn() {
6722        synchronized (mLock) {
6723            if (mKeyguardDelegate != null) {
6724                mKeyguardDelegate.onScreenTurnedOn();
6725            }
6726        }
6727        reportScreenStateToVrManager(true);
6728    }
6729
6730    @Override
6731    public void screenTurningOff(ScreenOffListener screenOffListener) {
6732        mWindowManagerFuncs.screenTurningOff(screenOffListener);
6733        synchronized (mLock) {
6734            if (mKeyguardDelegate != null) {
6735                mKeyguardDelegate.onScreenTurningOff();
6736            }
6737        }
6738    }
6739
6740    private void reportScreenStateToVrManager(boolean isScreenOn) {
6741        if (mVrManagerInternal == null) {
6742            return;
6743        }
6744        mVrManagerInternal.onScreenStateChanged(isScreenOn);
6745    }
6746
6747    private void finishWindowsDrawn() {
6748        synchronized (mLock) {
6749            if (!mScreenOnEarly || mWindowManagerDrawComplete) {
6750                return; // Screen is not turned on or we did already handle this case earlier.
6751            }
6752
6753            mWindowManagerDrawComplete = true;
6754        }
6755
6756        finishScreenTurningOn();
6757    }
6758
6759    private void finishScreenTurningOn() {
6760        synchronized (mLock) {
6761            // We have just finished drawing screen content. Since the orientation listener
6762            // gets only installed when all windows are drawn, we try to install it again.
6763            updateOrientationListenerLp();
6764        }
6765        final ScreenOnListener listener;
6766        final boolean enableScreen;
6767        synchronized (mLock) {
6768            if (DEBUG_WAKEUP) Slog.d(TAG,
6769                    "finishScreenTurningOn: mAwake=" + mAwake
6770                            + ", mScreenOnEarly=" + mScreenOnEarly
6771                            + ", mScreenOnFully=" + mScreenOnFully
6772                            + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
6773                            + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
6774
6775            if (mScreenOnFully || !mScreenOnEarly || !mWindowManagerDrawComplete
6776                    || (mAwake && !mKeyguardDrawComplete)) {
6777                return; // spurious or not ready yet
6778            }
6779
6780            if (DEBUG_WAKEUP) Slog.i(TAG, "Finished screen turning on...");
6781            listener = mScreenOnListener;
6782            mScreenOnListener = null;
6783            mScreenOnFully = true;
6784
6785            // Remember the first time we draw the keyguard so we know when we're done with
6786            // the main part of booting and can enable the screen and hide boot messages.
6787            if (!mKeyguardDrawnOnce && mAwake) {
6788                mKeyguardDrawnOnce = true;
6789                enableScreen = true;
6790                if (mBootMessageNeedsHiding) {
6791                    mBootMessageNeedsHiding = false;
6792                    hideBootMessages();
6793                }
6794            } else {
6795                enableScreen = false;
6796            }
6797        }
6798
6799        if (listener != null) {
6800            listener.onScreenOn();
6801        }
6802
6803        if (enableScreen) {
6804            try {
6805                mWindowManager.enableScreenIfNeeded();
6806            } catch (RemoteException unhandled) {
6807            }
6808        }
6809    }
6810
6811    private void handleHideBootMessage() {
6812        synchronized (mLock) {
6813            if (!mKeyguardDrawnOnce) {
6814                mBootMessageNeedsHiding = true;
6815                return; // keyguard hasn't drawn the first time yet, not done booting
6816            }
6817        }
6818
6819        if (mBootMsgDialog != null) {
6820            if (DEBUG_WAKEUP) Slog.d(TAG, "handleHideBootMessage: dismissing");
6821            mBootMsgDialog.dismiss();
6822            mBootMsgDialog = null;
6823        }
6824    }
6825
6826    @Override
6827    public boolean isScreenOn() {
6828        synchronized (mLock) {
6829            return mScreenOnEarly;
6830        }
6831    }
6832
6833    @Override
6834    public boolean okToAnimate() {
6835        return mAwake && !mGoingToSleep;
6836    }
6837
6838    /** {@inheritDoc} */
6839    @Override
6840    public void enableKeyguard(boolean enabled) {
6841        if (mKeyguardDelegate != null) {
6842            mKeyguardDelegate.setKeyguardEnabled(enabled);
6843        }
6844    }
6845
6846    /** {@inheritDoc} */
6847    @Override
6848    public void exitKeyguardSecurely(OnKeyguardExitResult callback) {
6849        if (mKeyguardDelegate != null) {
6850            mKeyguardDelegate.verifyUnlock(callback);
6851        }
6852    }
6853
6854    @Override
6855    public boolean isKeyguardShowingAndNotOccluded() {
6856        if (mKeyguardDelegate == null) return false;
6857        return mKeyguardDelegate.isShowing() && !mKeyguardOccluded;
6858    }
6859
6860    @Override
6861    public boolean isKeyguardTrustedLw() {
6862        if (mKeyguardDelegate == null) return false;
6863        return mKeyguardDelegate.isTrusted();
6864    }
6865
6866    /** {@inheritDoc} */
6867    @Override
6868    public boolean isKeyguardLocked() {
6869        return keyguardOn();
6870    }
6871
6872    /** {@inheritDoc} */
6873    @Override
6874    public boolean isKeyguardSecure(int userId) {
6875        if (mKeyguardDelegate == null) return false;
6876        return mKeyguardDelegate.isSecure(userId);
6877    }
6878
6879    /** {@inheritDoc} */
6880    @Override
6881    public boolean isKeyguardOccluded() {
6882        if (mKeyguardDelegate == null) return false;
6883        return mKeyguardOccluded;
6884    }
6885
6886    /** {@inheritDoc} */
6887    @Override
6888    public boolean inKeyguardRestrictedKeyInputMode() {
6889        if (mKeyguardDelegate == null) return false;
6890        return mKeyguardDelegate.isInputRestricted();
6891    }
6892
6893    @Override
6894    public void dismissKeyguardLw(IKeyguardDismissCallback callback) {
6895        if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
6896            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.dismissKeyguardLw");
6897
6898            // ask the keyguard to prompt the user to authenticate if necessary
6899            mKeyguardDelegate.dismiss(callback);
6900        } else if (callback != null) {
6901            try {
6902                callback.onDismissError();
6903            } catch (RemoteException e) {
6904                Slog.w(TAG, "Failed to call callback", e);
6905            }
6906        }
6907    }
6908
6909    @Override
6910    public boolean isKeyguardDrawnLw() {
6911        synchronized (mLock) {
6912            return mKeyguardDrawnOnce;
6913        }
6914    }
6915
6916    @Override
6917    public boolean isShowingDreamLw() {
6918        return mShowingDream;
6919    }
6920
6921    @Override
6922    public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
6923        if (mKeyguardDelegate != null) {
6924            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.startKeyguardExitAnimation");
6925            mKeyguardDelegate.startKeyguardExitAnimation(startTime, fadeoutDuration);
6926        }
6927    }
6928
6929    @Override
6930    public void getStableInsetsLw(int displayRotation, int displayWidth, int displayHeight,
6931            Rect outInsets) {
6932        outInsets.setEmpty();
6933
6934        // Navigation bar and status bar.
6935        getNonDecorInsetsLw(displayRotation, displayWidth, displayHeight, outInsets);
6936        outInsets.top = mStatusBarHeight;
6937    }
6938
6939    @Override
6940    public void getNonDecorInsetsLw(int displayRotation, int displayWidth, int displayHeight,
6941            Rect outInsets) {
6942        outInsets.setEmpty();
6943
6944        // Only navigation bar
6945        if (mHasNavigationBar) {
6946            int position = navigationBarPosition(displayWidth, displayHeight, displayRotation);
6947            if (position == NAV_BAR_BOTTOM) {
6948                outInsets.bottom = getNavigationBarHeight(displayRotation, mUiMode);
6949            } else if (position == NAV_BAR_RIGHT) {
6950                outInsets.right = getNavigationBarWidth(displayRotation, mUiMode);
6951            } else if (position == NAV_BAR_LEFT) {
6952                outInsets.left = getNavigationBarWidth(displayRotation, mUiMode);
6953            }
6954        }
6955    }
6956
6957    @Override
6958    public boolean isNavBarForcedShownLw(WindowState windowState) {
6959        return mForceShowSystemBars;
6960    }
6961
6962    @Override
6963    public int getNavBarPosition() {
6964        // TODO(multi-display): Support system decor on secondary displays.
6965        return mNavigationBarPosition;
6966    }
6967
6968    @Override
6969    public boolean isDockSideAllowed(int dockSide) {
6970
6971        // We do not allow all dock sides at which the navigation bar touches the docked stack.
6972        if (!mNavigationBarCanMove) {
6973            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT || dockSide == DOCKED_RIGHT;
6974        } else {
6975            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT;
6976        }
6977    }
6978
6979    void sendCloseSystemWindows() {
6980        PhoneWindow.sendCloseSystemWindows(mContext, null);
6981    }
6982
6983    void sendCloseSystemWindows(String reason) {
6984        PhoneWindow.sendCloseSystemWindows(mContext, reason);
6985    }
6986
6987    @Override
6988    public int rotationForOrientationLw(int orientation, int lastRotation) {
6989        if (false) {
6990            Slog.v(TAG, "rotationForOrientationLw(orient="
6991                        + orientation + ", last=" + lastRotation
6992                        + "); user=" + mUserRotation + " "
6993                        + ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED)
6994                            ? "USER_ROTATION_LOCKED" : "")
6995                        );
6996        }
6997
6998        if (mForceDefaultOrientation) {
6999            return Surface.ROTATION_0;
7000        }
7001
7002        synchronized (mLock) {
7003            int sensorRotation = mOrientationListener.getProposedRotation(); // may be -1
7004            if (sensorRotation < 0) {
7005                sensorRotation = lastRotation;
7006            }
7007
7008            final int preferredRotation;
7009            if (mLidState == LID_OPEN && mLidOpenRotation >= 0) {
7010                // Ignore sensor when lid switch is open and rotation is forced.
7011                preferredRotation = mLidOpenRotation;
7012            } else if (mDockMode == Intent.EXTRA_DOCK_STATE_CAR
7013                    && (mCarDockEnablesAccelerometer || mCarDockRotation >= 0)) {
7014                // Ignore sensor when in car dock unless explicitly enabled.
7015                // This case can override the behavior of NOSENSOR, and can also
7016                // enable 180 degree rotation while docked.
7017                preferredRotation = mCarDockEnablesAccelerometer
7018                        ? sensorRotation : mCarDockRotation;
7019            } else if ((mDockMode == Intent.EXTRA_DOCK_STATE_DESK
7020                    || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
7021                    || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK)
7022                    && (mDeskDockEnablesAccelerometer || mDeskDockRotation >= 0)) {
7023                // Ignore sensor when in desk dock unless explicitly enabled.
7024                // This case can override the behavior of NOSENSOR, and can also
7025                // enable 180 degree rotation while docked.
7026                preferredRotation = mDeskDockEnablesAccelerometer
7027                        ? sensorRotation : mDeskDockRotation;
7028            } else if (mHdmiPlugged && mDemoHdmiRotationLock) {
7029                // Ignore sensor when plugged into HDMI when demo HDMI rotation lock enabled.
7030                // Note that the dock orientation overrides the HDMI orientation.
7031                preferredRotation = mDemoHdmiRotation;
7032            } else if (mHdmiPlugged && mDockMode == Intent.EXTRA_DOCK_STATE_UNDOCKED
7033                    && mUndockedHdmiRotation >= 0) {
7034                // Ignore sensor when plugged into HDMI and an undocked orientation has
7035                // been specified in the configuration (only for legacy devices without
7036                // full multi-display support).
7037                // Note that the dock orientation overrides the HDMI orientation.
7038                preferredRotation = mUndockedHdmiRotation;
7039            } else if (mDemoRotationLock) {
7040                // Ignore sensor when demo rotation lock is enabled.
7041                // Note that the dock orientation and HDMI rotation lock override this.
7042                preferredRotation = mDemoRotation;
7043            } else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {
7044                // Application just wants to remain locked in the last rotation.
7045                preferredRotation = lastRotation;
7046            } else if (!mSupportAutoRotation) {
7047                // If we don't support auto-rotation then bail out here and ignore
7048                // the sensor and any rotation lock settings.
7049                preferredRotation = -1;
7050            } else if ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE
7051                            && (orientation == ActivityInfo.SCREEN_ORIENTATION_USER
7052                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
7053                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
7054                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT
7055                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER))
7056                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
7057                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
7058                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE
7059                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) {
7060                // Otherwise, use sensor only if requested by the application or enabled
7061                // by default for USER or UNSPECIFIED modes.  Does not apply to NOSENSOR.
7062                if (mAllowAllRotations < 0) {
7063                    // Can't read this during init() because the context doesn't
7064                    // have display metrics at that time so we cannot determine
7065                    // tablet vs. phone then.
7066                    mAllowAllRotations = mContext.getResources().getBoolean(
7067                            com.android.internal.R.bool.config_allowAllRotations) ? 1 : 0;
7068                }
7069                if (sensorRotation != Surface.ROTATION_180
7070                        || mAllowAllRotations == 1
7071                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
7072                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER) {
7073                    // In VrMode, we report the sensor as always being in default orientation so:
7074                    // 1) The orientation doesn't change as the user moves their head.
7075                    // 2) 2D apps within VR show in the device's default orientation.
7076                    // This only overwrites the sensor-provided orientation and does not affect any
7077                    // explicit orientation preferences specified by any activities.
7078                    preferredRotation =
7079                            mPersistentVrModeEnabled ? Surface.ROTATION_0 : sensorRotation;
7080                } else {
7081                    preferredRotation = lastRotation;
7082                }
7083            } else if (mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED
7084                    && orientation != ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
7085                // Apply rotation lock.  Does not apply to NOSENSOR.
7086                // The idea is that the user rotation expresses a weak preference for the direction
7087                // of gravity and as NOSENSOR is never affected by gravity, then neither should
7088                // NOSENSOR be affected by rotation lock (although it will be affected by docks).
7089                preferredRotation = mUserRotation;
7090            } else {
7091                // No overriding preference.
7092                // We will do exactly what the application asked us to do.
7093                preferredRotation = -1;
7094            }
7095
7096            switch (orientation) {
7097                case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
7098                    // Return portrait unless overridden.
7099                    if (isAnyPortrait(preferredRotation)) {
7100                        return preferredRotation;
7101                    }
7102                    return mPortraitRotation;
7103
7104                case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
7105                    // Return landscape unless overridden.
7106                    if (isLandscapeOrSeascape(preferredRotation)) {
7107                        return preferredRotation;
7108                    }
7109                    return mLandscapeRotation;
7110
7111                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
7112                    // Return reverse portrait unless overridden.
7113                    if (isAnyPortrait(preferredRotation)) {
7114                        return preferredRotation;
7115                    }
7116                    return mUpsideDownRotation;
7117
7118                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
7119                    // Return seascape unless overridden.
7120                    if (isLandscapeOrSeascape(preferredRotation)) {
7121                        return preferredRotation;
7122                    }
7123                    return mSeascapeRotation;
7124
7125                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
7126                case ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE:
7127                    // Return either landscape rotation.
7128                    if (isLandscapeOrSeascape(preferredRotation)) {
7129                        return preferredRotation;
7130                    }
7131                    if (isLandscapeOrSeascape(lastRotation)) {
7132                        return lastRotation;
7133                    }
7134                    return mLandscapeRotation;
7135
7136                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
7137                case ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT:
7138                    // Return either portrait rotation.
7139                    if (isAnyPortrait(preferredRotation)) {
7140                        return preferredRotation;
7141                    }
7142                    if (isAnyPortrait(lastRotation)) {
7143                        return lastRotation;
7144                    }
7145                    return mPortraitRotation;
7146
7147                default:
7148                    // For USER, UNSPECIFIED, NOSENSOR, SENSOR and FULL_SENSOR,
7149                    // just return the preferred orientation we already calculated.
7150                    if (preferredRotation >= 0) {
7151                        return preferredRotation;
7152                    }
7153                    return Surface.ROTATION_0;
7154            }
7155        }
7156    }
7157
7158    @Override
7159    public boolean rotationHasCompatibleMetricsLw(int orientation, int rotation) {
7160        switch (orientation) {
7161            case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
7162            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
7163            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
7164                return isAnyPortrait(rotation);
7165
7166            case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
7167            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
7168            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
7169                return isLandscapeOrSeascape(rotation);
7170
7171            default:
7172                return true;
7173        }
7174    }
7175
7176    @Override
7177    public void setRotationLw(int rotation) {
7178        mOrientationListener.setCurrentRotation(rotation);
7179    }
7180
7181    private boolean isLandscapeOrSeascape(int rotation) {
7182        return rotation == mLandscapeRotation || rotation == mSeascapeRotation;
7183    }
7184
7185    private boolean isAnyPortrait(int rotation) {
7186        return rotation == mPortraitRotation || rotation == mUpsideDownRotation;
7187    }
7188
7189    @Override
7190    public int getUserRotationMode() {
7191        return Settings.System.getIntForUser(mContext.getContentResolver(),
7192                Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
7193                        WindowManagerPolicy.USER_ROTATION_FREE :
7194                                WindowManagerPolicy.USER_ROTATION_LOCKED;
7195    }
7196
7197    // User rotation: to be used when all else fails in assigning an orientation to the device
7198    @Override
7199    public void setUserRotationMode(int mode, int rot) {
7200        ContentResolver res = mContext.getContentResolver();
7201
7202        // mUserRotationMode and mUserRotation will be assigned by the content observer
7203        if (mode == WindowManagerPolicy.USER_ROTATION_LOCKED) {
7204            Settings.System.putIntForUser(res,
7205                    Settings.System.USER_ROTATION,
7206                    rot,
7207                    UserHandle.USER_CURRENT);
7208            Settings.System.putIntForUser(res,
7209                    Settings.System.ACCELEROMETER_ROTATION,
7210                    0,
7211                    UserHandle.USER_CURRENT);
7212        } else {
7213            Settings.System.putIntForUser(res,
7214                    Settings.System.ACCELEROMETER_ROTATION,
7215                    1,
7216                    UserHandle.USER_CURRENT);
7217        }
7218    }
7219
7220    @Override
7221    public void setSafeMode(boolean safeMode) {
7222        mSafeMode = safeMode;
7223        performHapticFeedbackLw(null, safeMode
7224                ? HapticFeedbackConstants.SAFE_MODE_ENABLED
7225                : HapticFeedbackConstants.SAFE_MODE_DISABLED, true);
7226    }
7227
7228    static long[] getLongIntArray(Resources r, int resid) {
7229        int[] ar = r.getIntArray(resid);
7230        if (ar == null) {
7231            return null;
7232        }
7233        long[] out = new long[ar.length];
7234        for (int i=0; i<ar.length; i++) {
7235            out[i] = ar[i];
7236        }
7237        return out;
7238    }
7239
7240    private void bindKeyguard() {
7241        synchronized (mLock) {
7242            if (mKeyguardBound) {
7243                return;
7244            }
7245            mKeyguardBound = true;
7246        }
7247        mKeyguardDelegate.bindService(mContext);
7248    }
7249
7250    @Override
7251    public void onSystemUiStarted() {
7252        bindKeyguard();
7253    }
7254
7255    /** {@inheritDoc} */
7256    @Override
7257    public void systemReady() {
7258        // In normal flow, systemReady is called before other system services are ready.
7259        // So it is better not to bind keyguard here.
7260        mKeyguardDelegate.onSystemReady();
7261
7262        mVrManagerInternal = LocalServices.getService(VrManagerInternal.class);
7263        if (mVrManagerInternal != null) {
7264            mVrManagerInternal.addPersistentVrModeStateListener(mPersistentVrModeListener);
7265        }
7266
7267        readCameraLensCoverState();
7268        updateUiMode();
7269        synchronized (mLock) {
7270            updateOrientationListenerLp();
7271            mSystemReady = true;
7272            mHandler.post(new Runnable() {
7273                @Override
7274                public void run() {
7275                    updateSettings();
7276                }
7277            });
7278            // If this happens, for whatever reason, systemReady came later than systemBooted.
7279            // And keyguard should be already bound from systemBooted
7280            if (mSystemBooted) {
7281                mKeyguardDelegate.onBootCompleted();
7282            }
7283        }
7284
7285        mSystemGestures.systemReady();
7286        mImmersiveModeConfirmation.systemReady();
7287
7288        mAutofillManagerInternal = LocalServices.getService(AutofillManagerInternal.class);
7289    }
7290
7291    /** {@inheritDoc} */
7292    @Override
7293    public void systemBooted() {
7294        bindKeyguard();
7295        synchronized (mLock) {
7296            mSystemBooted = true;
7297            if (mSystemReady) {
7298                mKeyguardDelegate.onBootCompleted();
7299            }
7300        }
7301        startedWakingUp();
7302        screenTurningOn(null);
7303        screenTurnedOn();
7304    }
7305
7306    @Override
7307    public boolean canDismissBootAnimation() {
7308        synchronized (mLock) {
7309            return mKeyguardDrawComplete;
7310        }
7311    }
7312
7313    ProgressDialog mBootMsgDialog = null;
7314
7315    /** {@inheritDoc} */
7316    @Override
7317    public void showBootMessage(final CharSequence msg, final boolean always) {
7318        mHandler.post(new Runnable() {
7319            @Override public void run() {
7320                if (mBootMsgDialog == null) {
7321                    int theme;
7322                    if (mContext.getPackageManager().hasSystemFeature(FEATURE_LEANBACK)) {
7323                        theme = com.android.internal.R.style.Theme_Leanback_Dialog_Alert;
7324                    } else {
7325                        theme = 0;
7326                    }
7327
7328                    mBootMsgDialog = new ProgressDialog(mContext, theme) {
7329                        // This dialog will consume all events coming in to
7330                        // it, to avoid it trying to do things too early in boot.
7331                        @Override public boolean dispatchKeyEvent(KeyEvent event) {
7332                            return true;
7333                        }
7334                        @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
7335                            return true;
7336                        }
7337                        @Override public boolean dispatchTouchEvent(MotionEvent ev) {
7338                            return true;
7339                        }
7340                        @Override public boolean dispatchTrackballEvent(MotionEvent ev) {
7341                            return true;
7342                        }
7343                        @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) {
7344                            return true;
7345                        }
7346                        @Override public boolean dispatchPopulateAccessibilityEvent(
7347                                AccessibilityEvent event) {
7348                            return true;
7349                        }
7350                    };
7351                    if (mContext.getPackageManager().isUpgrade()) {
7352                        mBootMsgDialog.setTitle(R.string.android_upgrading_title);
7353                    } else {
7354                        mBootMsgDialog.setTitle(R.string.android_start_title);
7355                    }
7356                    mBootMsgDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
7357                    mBootMsgDialog.setIndeterminate(true);
7358                    mBootMsgDialog.getWindow().setType(
7359                            WindowManager.LayoutParams.TYPE_BOOT_PROGRESS);
7360                    mBootMsgDialog.getWindow().addFlags(
7361                            WindowManager.LayoutParams.FLAG_DIM_BEHIND
7362                            | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
7363                    mBootMsgDialog.getWindow().setDimAmount(1);
7364                    WindowManager.LayoutParams lp = mBootMsgDialog.getWindow().getAttributes();
7365                    lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
7366                    mBootMsgDialog.getWindow().setAttributes(lp);
7367                    mBootMsgDialog.setCancelable(false);
7368                    mBootMsgDialog.show();
7369                }
7370                mBootMsgDialog.setMessage(msg);
7371            }
7372        });
7373    }
7374
7375    /** {@inheritDoc} */
7376    @Override
7377    public void hideBootMessages() {
7378        mHandler.sendEmptyMessage(MSG_HIDE_BOOT_MESSAGE);
7379    }
7380
7381    /** {@inheritDoc} */
7382    @Override
7383    public void userActivity() {
7384        // ***************************************
7385        // NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
7386        // ***************************************
7387        // THIS IS CALLED FROM DEEP IN THE POWER MANAGER
7388        // WITH ITS LOCKS HELD.
7389        //
7390        // This code must be VERY careful about the locks
7391        // it acquires.
7392        // In fact, the current code acquires way too many,
7393        // and probably has lurking deadlocks.
7394
7395        synchronized (mScreenLockTimeout) {
7396            if (mLockScreenTimerActive) {
7397                // reset the timer
7398                mHandler.removeCallbacks(mScreenLockTimeout);
7399                mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
7400            }
7401        }
7402    }
7403
7404    class ScreenLockTimeout implements Runnable {
7405        Bundle options;
7406
7407        @Override
7408        public void run() {
7409            synchronized (this) {
7410                if (localLOGV) Log.v(TAG, "mScreenLockTimeout activating keyguard");
7411                if (mKeyguardDelegate != null) {
7412                    mKeyguardDelegate.doKeyguardTimeout(options);
7413                }
7414                mLockScreenTimerActive = false;
7415                options = null;
7416            }
7417        }
7418
7419        public void setLockOptions(Bundle options) {
7420            this.options = options;
7421        }
7422    }
7423
7424    ScreenLockTimeout mScreenLockTimeout = new ScreenLockTimeout();
7425
7426    @Override
7427    public void lockNow(Bundle options) {
7428        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);
7429        mHandler.removeCallbacks(mScreenLockTimeout);
7430        if (options != null) {
7431            // In case multiple calls are made to lockNow, we don't wipe out the options
7432            // until the runnable actually executes.
7433            mScreenLockTimeout.setLockOptions(options);
7434        }
7435        mHandler.post(mScreenLockTimeout);
7436    }
7437
7438    private void updateLockScreenTimeout() {
7439        synchronized (mScreenLockTimeout) {
7440            boolean enable = (mAllowLockscreenWhenOn && mAwake &&
7441                    mKeyguardDelegate != null && mKeyguardDelegate.isSecure(mCurrentUserId));
7442            if (mLockScreenTimerActive != enable) {
7443                if (enable) {
7444                    if (localLOGV) Log.v(TAG, "setting lockscreen timer");
7445                    mHandler.removeCallbacks(mScreenLockTimeout); // remove any pending requests
7446                    mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
7447                } else {
7448                    if (localLOGV) Log.v(TAG, "clearing lockscreen timer");
7449                    mHandler.removeCallbacks(mScreenLockTimeout);
7450                }
7451                mLockScreenTimerActive = enable;
7452            }
7453        }
7454    }
7455
7456    private void updateDreamingSleepToken(boolean acquire) {
7457        if (acquire) {
7458            if (mDreamingSleepToken == null) {
7459                mDreamingSleepToken = mActivityManagerInternal.acquireSleepToken("Dream");
7460            }
7461        } else {
7462            if (mDreamingSleepToken != null) {
7463                mDreamingSleepToken.release();
7464                mDreamingSleepToken = null;
7465            }
7466        }
7467    }
7468
7469    private void updateScreenOffSleepToken(boolean acquire) {
7470        if (acquire) {
7471            if (mScreenOffSleepToken == null) {
7472                mScreenOffSleepToken = mActivityManagerInternal.acquireSleepToken("ScreenOff");
7473            }
7474        } else {
7475            if (mScreenOffSleepToken != null) {
7476                mScreenOffSleepToken.release();
7477                mScreenOffSleepToken = null;
7478            }
7479        }
7480    }
7481
7482    /** {@inheritDoc} */
7483    @Override
7484    public void enableScreenAfterBoot() {
7485        readLidState();
7486        applyLidSwitchState();
7487        updateRotation(true);
7488    }
7489
7490    private void applyLidSwitchState() {
7491        if (mLidState == LID_CLOSED && mLidControlsSleep) {
7492            mPowerManager.goToSleep(SystemClock.uptimeMillis(),
7493                    PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH,
7494                    PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
7495        } else if (mLidState == LID_CLOSED && mLidControlsScreenLock) {
7496            mWindowManagerFuncs.lockDeviceNow();
7497        }
7498
7499        synchronized (mLock) {
7500            updateWakeGestureListenerLp();
7501        }
7502    }
7503
7504    void updateUiMode() {
7505        if (mUiModeManager == null) {
7506            mUiModeManager = IUiModeManager.Stub.asInterface(
7507                    ServiceManager.getService(Context.UI_MODE_SERVICE));
7508        }
7509        try {
7510            mUiMode = mUiModeManager.getCurrentModeType();
7511        } catch (RemoteException e) {
7512        }
7513    }
7514
7515    void updateRotation(boolean alwaysSendConfiguration) {
7516        try {
7517            //set orientation on WindowManager
7518            mWindowManager.updateRotation(alwaysSendConfiguration, false);
7519        } catch (RemoteException e) {
7520            // Ignore
7521        }
7522    }
7523
7524    void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
7525        try {
7526            //set orientation on WindowManager
7527            mWindowManager.updateRotation(alwaysSendConfiguration, forceRelayout);
7528        } catch (RemoteException e) {
7529            // Ignore
7530        }
7531    }
7532
7533    /**
7534     * Return an Intent to launch the currently active dock app as home.  Returns
7535     * null if the standard home should be launched, which is the case if any of the following is
7536     * true:
7537     * <ul>
7538     *  <li>The device is not in either car mode or desk mode
7539     *  <li>The device is in car mode but mEnableCarDockHomeCapture is false
7540     *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
7541     *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
7542     *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
7543     * </ul>
7544     * @return A dock intent.
7545     */
7546    Intent createHomeDockIntent() {
7547        Intent intent = null;
7548
7549        // What home does is based on the mode, not the dock state.  That
7550        // is, when in car mode you should be taken to car home regardless
7551        // of whether we are actually in a car dock.
7552        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
7553            if (mEnableCarDockHomeCapture) {
7554                intent = mCarDockIntent;
7555            }
7556        } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
7557            if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
7558                intent = mDeskDockIntent;
7559            }
7560        } else if (mUiMode == Configuration.UI_MODE_TYPE_WATCH
7561                && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
7562                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK
7563                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK)) {
7564            // Always launch dock home from home when watch is docked, if it exists.
7565            intent = mDeskDockIntent;
7566        } else if (mUiMode == Configuration.UI_MODE_TYPE_VR_HEADSET) {
7567            if (ENABLE_VR_HEADSET_HOME_CAPTURE) {
7568                intent = mVrHeadsetHomeIntent;
7569            }
7570        }
7571
7572        if (intent == null) {
7573            return null;
7574        }
7575
7576        ActivityInfo ai = null;
7577        ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(
7578                intent,
7579                PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_META_DATA,
7580                mCurrentUserId);
7581        if (info != null) {
7582            ai = info.activityInfo;
7583        }
7584        if (ai != null
7585                && ai.metaData != null
7586                && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
7587            intent = new Intent(intent);
7588            intent.setClassName(ai.packageName, ai.name);
7589            return intent;
7590        }
7591
7592        return null;
7593    }
7594
7595    void startDockOrHome(boolean fromHomeKey, boolean awakenFromDreams) {
7596        if (awakenFromDreams) {
7597            awakenDreams();
7598        }
7599
7600        Intent dock = createHomeDockIntent();
7601        if (dock != null) {
7602            try {
7603                if (fromHomeKey) {
7604                    dock.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
7605                }
7606                startActivityAsUser(dock, UserHandle.CURRENT);
7607                return;
7608            } catch (ActivityNotFoundException e) {
7609            }
7610        }
7611
7612        Intent intent;
7613
7614        if (fromHomeKey) {
7615            intent = new Intent(mHomeIntent);
7616            intent.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
7617        } else {
7618            intent = mHomeIntent;
7619        }
7620
7621        startActivityAsUser(intent, UserHandle.CURRENT);
7622    }
7623
7624    /**
7625     * goes to the home screen
7626     * @return whether it did anything
7627     */
7628    boolean goHome() {
7629        if (!isUserSetupComplete()) {
7630            Slog.i(TAG, "Not going home because user setup is in progress.");
7631            return false;
7632        }
7633        if (false) {
7634            // This code always brings home to the front.
7635            try {
7636                ActivityManager.getService().stopAppSwitches();
7637            } catch (RemoteException e) {
7638            }
7639            sendCloseSystemWindows();
7640            startDockOrHome(false /*fromHomeKey*/, true /* awakenFromDreams */);
7641        } else {
7642            // This code brings home to the front or, if it is already
7643            // at the front, puts the device to sleep.
7644            try {
7645                if (SystemProperties.getInt("persist.sys.uts-test-mode", 0) == 1) {
7646                    /// Roll back EndcallBehavior as the cupcake design to pass P1 lab entry.
7647                    Log.d(TAG, "UTS-TEST-MODE");
7648                } else {
7649                    ActivityManager.getService().stopAppSwitches();
7650                    sendCloseSystemWindows();
7651                    Intent dock = createHomeDockIntent();
7652                    if (dock != null) {
7653                        int result = ActivityManager.getService()
7654                                .startActivityAsUser(null, null, dock,
7655                                        dock.resolveTypeIfNeeded(mContext.getContentResolver()),
7656                                        null, null, 0,
7657                                        ActivityManager.START_FLAG_ONLY_IF_NEEDED,
7658                                        null, null, UserHandle.USER_CURRENT);
7659                        if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
7660                            return false;
7661                        }
7662                    }
7663                }
7664                int result = ActivityManager.getService()
7665                        .startActivityAsUser(null, null, mHomeIntent,
7666                                mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
7667                                null, null, 0,
7668                                ActivityManager.START_FLAG_ONLY_IF_NEEDED,
7669                                null, null, UserHandle.USER_CURRENT);
7670                if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
7671                    return false;
7672                }
7673            } catch (RemoteException ex) {
7674                // bummer, the activity manager, which is in this process, is dead
7675            }
7676        }
7677        return true;
7678    }
7679
7680    @Override
7681    public void setCurrentOrientationLw(int newOrientation) {
7682        synchronized (mLock) {
7683            if (newOrientation != mCurrentAppOrientation) {
7684                mCurrentAppOrientation = newOrientation;
7685                updateOrientationListenerLp();
7686            }
7687        }
7688    }
7689
7690    private boolean isTheaterModeEnabled() {
7691        return Settings.Global.getInt(mContext.getContentResolver(),
7692                Settings.Global.THEATER_MODE_ON, 0) == 1;
7693    }
7694
7695    private boolean areSystemNavigationKeysEnabled() {
7696        return Settings.Secure.getIntForUser(mContext.getContentResolver(),
7697                Settings.Secure.SYSTEM_NAVIGATION_KEYS_ENABLED, 1, UserHandle.USER_CURRENT) == 1;
7698    }
7699
7700    @Override
7701    public boolean performHapticFeedbackLw(WindowState win, int effectId, boolean always) {
7702        if (!mVibrator.hasVibrator()) {
7703            return false;
7704        }
7705        final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(),
7706                Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0;
7707        if (hapticsDisabled && !always) {
7708            return false;
7709        }
7710
7711        VibrationEffect effect = getVibrationEffect(effectId);
7712        if (effect == null) {
7713            return false;
7714        }
7715
7716        int owningUid;
7717        String owningPackage;
7718        if (win != null) {
7719            owningUid = win.getOwningUid();
7720            owningPackage = win.getOwningPackage();
7721        } else {
7722            owningUid = android.os.Process.myUid();
7723            owningPackage = mContext.getOpPackageName();
7724        }
7725        mVibrator.vibrate(owningUid, owningPackage, effect, VIBRATION_ATTRIBUTES);
7726        return true;
7727    }
7728
7729    private VibrationEffect getVibrationEffect(int effectId) {
7730        long[] pattern;
7731        switch (effectId) {
7732            case HapticFeedbackConstants.VIRTUAL_KEY:
7733                return VibrationEffect.get(VibrationEffect.EFFECT_CLICK);
7734            case HapticFeedbackConstants.LONG_PRESS:
7735                pattern = mLongPressVibePattern;
7736                break;
7737            case HapticFeedbackConstants.KEYBOARD_TAP:
7738                return VibrationEffect.get(VibrationEffect.EFFECT_CLICK);
7739            case HapticFeedbackConstants.CLOCK_TICK:
7740                return VibrationEffect.get(VibrationEffect.EFFECT_TICK);
7741            case HapticFeedbackConstants.CALENDAR_DATE:
7742                pattern = mCalendarDateVibePattern;
7743                break;
7744            case HapticFeedbackConstants.SAFE_MODE_DISABLED:
7745                pattern = mSafeModeDisabledVibePattern;
7746                break;
7747            case HapticFeedbackConstants.SAFE_MODE_ENABLED:
7748                pattern = mSafeModeEnabledVibePattern;
7749                break;
7750            case HapticFeedbackConstants.CONTEXT_CLICK:
7751                return VibrationEffect.get(VibrationEffect.EFFECT_TICK);
7752            case HapticFeedbackConstants.VIRTUAL_KEY_RELEASE:
7753                return VibrationEffect.get(VibrationEffect.EFFECT_TICK);
7754            case HapticFeedbackConstants.TEXT_HANDLE_MOVE:
7755                return VibrationEffect.get(VibrationEffect.EFFECT_TICK);
7756            default:
7757                return null;
7758        }
7759        if (pattern.length == 0) {
7760            // No vibration
7761            return null;
7762        } else if (pattern.length == 1) {
7763            // One-shot vibration
7764            return VibrationEffect.createOneShot(pattern[0], VibrationEffect.DEFAULT_AMPLITUDE);
7765        } else {
7766            // Pattern vibration
7767            return VibrationEffect.createWaveform(pattern, -1);
7768        }
7769    }
7770
7771    @Override
7772    public void keepScreenOnStartedLw() {
7773    }
7774
7775    @Override
7776    public void keepScreenOnStoppedLw() {
7777        if (isKeyguardShowingAndNotOccluded()) {
7778            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
7779        }
7780    }
7781
7782    private int updateSystemUiVisibilityLw() {
7783        // If there is no window focused, there will be nobody to handle the events
7784        // anyway, so just hang on in whatever state we're in until things settle down.
7785        WindowState winCandidate = mFocusedWindow != null ? mFocusedWindow
7786                : mTopFullscreenOpaqueWindowState;
7787        if (winCandidate == null) {
7788            return 0;
7789        }
7790        if (winCandidate.getAttrs().token == mImmersiveModeConfirmation.getWindowToken()) {
7791            // The immersive mode confirmation should never affect the system bar visibility,
7792            // otherwise it will unhide the navigation bar and hide itself.
7793            winCandidate = isStatusBarKeyguard() ? mStatusBar : mTopFullscreenOpaqueWindowState;
7794            if (winCandidate == null) {
7795                return 0;
7796            }
7797        }
7798        final WindowState win = winCandidate;
7799        if ((win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 && mKeyguardOccluded) {
7800            // We are updating at a point where the keyguard has gotten
7801            // focus, but we were last in a state where the top window is
7802            // hiding it.  This is probably because the keyguard as been
7803            // shown while the top window was displayed, so we want to ignore
7804            // it here because this is just a very transient change and it
7805            // will quickly lose focus once it correctly gets hidden.
7806            return 0;
7807        }
7808
7809        int tmpVisibility = PolicyControl.getSystemUiVisibility(win, null)
7810                & ~mResettingSystemUiFlags
7811                & ~mForceClearedSystemUiFlags;
7812        if (mForcingShowNavBar && win.getSurfaceLayer() < mForcingShowNavBarLayer) {
7813            tmpVisibility &= ~PolicyControl.adjustClearableFlags(win, View.SYSTEM_UI_CLEARABLE_FLAGS);
7814        }
7815
7816        final int fullscreenVisibility = updateLightStatusBarLw(0 /* vis */,
7817                mTopFullscreenOpaqueWindowState, mTopFullscreenOpaqueOrDimmingWindowState);
7818        final int dockedVisibility = updateLightStatusBarLw(0 /* vis */,
7819                mTopDockedOpaqueWindowState, mTopDockedOpaqueOrDimmingWindowState);
7820        mWindowManagerFuncs.getStackBounds(HOME_STACK_ID, mNonDockedStackBounds);
7821        mWindowManagerFuncs.getStackBounds(DOCKED_STACK_ID, mDockedStackBounds);
7822        final int visibility = updateSystemBarsLw(win, mLastSystemUiFlags, tmpVisibility);
7823        final int diff = visibility ^ mLastSystemUiFlags;
7824        final int fullscreenDiff = fullscreenVisibility ^ mLastFullscreenStackSysUiFlags;
7825        final int dockedDiff = dockedVisibility ^ mLastDockedStackSysUiFlags;
7826        final boolean needsMenu = win.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
7827        if (diff == 0 && fullscreenDiff == 0 && dockedDiff == 0 && mLastFocusNeedsMenu == needsMenu
7828                && mFocusedApp == win.getAppToken()
7829                && mLastNonDockedStackBounds.equals(mNonDockedStackBounds)
7830                && mLastDockedStackBounds.equals(mDockedStackBounds)) {
7831            return 0;
7832        }
7833        mLastSystemUiFlags = visibility;
7834        mLastFullscreenStackSysUiFlags = fullscreenVisibility;
7835        mLastDockedStackSysUiFlags = dockedVisibility;
7836        mLastFocusNeedsMenu = needsMenu;
7837        mFocusedApp = win.getAppToken();
7838        final Rect fullscreenStackBounds = new Rect(mNonDockedStackBounds);
7839        final Rect dockedStackBounds = new Rect(mDockedStackBounds);
7840        mHandler.post(new Runnable() {
7841                @Override
7842                public void run() {
7843                    StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
7844                    if (statusbar != null) {
7845                        statusbar.setSystemUiVisibility(visibility, fullscreenVisibility,
7846                                dockedVisibility, 0xffffffff, fullscreenStackBounds,
7847                                dockedStackBounds, win.toString());
7848                        statusbar.topAppWindowChanged(needsMenu);
7849                    }
7850                }
7851            });
7852        return diff;
7853    }
7854
7855    private int updateLightStatusBarLw(int vis, WindowState opaque, WindowState opaqueOrDimming) {
7856        final boolean onKeyguard = isStatusBarKeyguard() && !mKeyguardOccluded;
7857        final WindowState statusColorWin = onKeyguard ? mStatusBar : opaqueOrDimming;
7858        if (statusColorWin != null && (statusColorWin == opaque || onKeyguard)) {
7859            // If the top fullscreen-or-dimming window is also the top fullscreen, respect
7860            // its light flag.
7861            vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7862            vis |= PolicyControl.getSystemUiVisibility(statusColorWin, null)
7863                    & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7864        } else if (statusColorWin != null && statusColorWin.isDimming()) {
7865            // Otherwise if it's dimming, clear the light flag.
7866            vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7867        }
7868        return vis;
7869    }
7870
7871    private int updateLightNavigationBarLw(int vis, WindowState opaque,
7872            WindowState opaqueOrDimming) {
7873        final WindowState imeWin = mWindowManagerFuncs.getInputMethodWindowLw();
7874
7875        final WindowState navColorWin;
7876        if (imeWin != null && imeWin.isVisibleLw() && mNavigationBarPosition == NAV_BAR_BOTTOM) {
7877            navColorWin = imeWin;
7878        } else {
7879            navColorWin = opaqueOrDimming;
7880        }
7881
7882        if (navColorWin != null) {
7883            if (navColorWin == opaque) {
7884                // If the top fullscreen-or-dimming window is also the top fullscreen, respect
7885                // its light flag.
7886                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR;
7887                vis |= PolicyControl.getSystemUiVisibility(navColorWin, null)
7888                        & View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR;
7889            } else if (navColorWin.isDimming() || navColorWin == imeWin) {
7890                // Otherwise if it's dimming or it's the IME window, clear the light flag.
7891                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR;
7892            }
7893        }
7894        return vis;
7895    }
7896
7897    private boolean drawsSystemBarBackground(WindowState win) {
7898        return win == null || (win.getAttrs().flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0;
7899    }
7900
7901    private boolean forcesDrawStatusBarBackground(WindowState win) {
7902        return win == null || (win.getAttrs().privateFlags
7903                & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND) != 0;
7904    }
7905
7906    private int updateSystemBarsLw(WindowState win, int oldVis, int vis) {
7907        final boolean dockedStackVisible = mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID);
7908        final boolean freeformStackVisible =
7909                mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID);
7910        final boolean resizing = mWindowManagerInternal.isDockedDividerResizing();
7911
7912        // We need to force system bars when the docked stack is visible, when the freeform stack
7913        // is visible but also when we are resizing for the transitions when docked stack
7914        // visibility changes.
7915        mForceShowSystemBars = dockedStackVisible || freeformStackVisible || resizing;
7916        final boolean forceOpaqueStatusBar = mForceShowSystemBars && !mForceStatusBarFromKeyguard;
7917
7918        // apply translucent bar vis flags
7919        WindowState fullscreenTransWin = isStatusBarKeyguard() && !mKeyguardOccluded
7920                ? mStatusBar
7921                : mTopFullscreenOpaqueWindowState;
7922        vis = mStatusBarController.applyTranslucentFlagLw(fullscreenTransWin, vis, oldVis);
7923        vis = mNavigationBarController.applyTranslucentFlagLw(fullscreenTransWin, vis, oldVis);
7924        final int dockedVis = mStatusBarController.applyTranslucentFlagLw(
7925                mTopDockedOpaqueWindowState, 0, 0);
7926
7927        final boolean fullscreenDrawsStatusBarBackground =
7928                (drawsSystemBarBackground(mTopFullscreenOpaqueWindowState)
7929                        && (vis & View.STATUS_BAR_TRANSLUCENT) == 0)
7930                || forcesDrawStatusBarBackground(mTopFullscreenOpaqueWindowState);
7931        final boolean dockedDrawsStatusBarBackground =
7932                (drawsSystemBarBackground(mTopDockedOpaqueWindowState)
7933                        && (dockedVis & View.STATUS_BAR_TRANSLUCENT) == 0)
7934                || forcesDrawStatusBarBackground(mTopDockedOpaqueWindowState);
7935
7936        // prevent status bar interaction from clearing certain flags
7937        int type = win.getAttrs().type;
7938        boolean statusBarHasFocus = type == TYPE_STATUS_BAR;
7939        if (statusBarHasFocus && !isStatusBarKeyguard()) {
7940            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
7941                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
7942                    | View.SYSTEM_UI_FLAG_IMMERSIVE
7943                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
7944                    | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7945            if (mKeyguardOccluded) {
7946                flags |= View.STATUS_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSLUCENT;
7947            }
7948            vis = (vis & ~flags) | (oldVis & flags);
7949        }
7950
7951        if (fullscreenDrawsStatusBarBackground && dockedDrawsStatusBarBackground) {
7952            vis |= View.STATUS_BAR_TRANSPARENT;
7953            vis &= ~View.STATUS_BAR_TRANSLUCENT;
7954        } else if ((!areTranslucentBarsAllowed() && fullscreenTransWin != mStatusBar)
7955                || forceOpaqueStatusBar) {
7956            vis &= ~(View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT);
7957        }
7958
7959        vis = configureNavBarOpacity(vis, dockedStackVisible, freeformStackVisible, resizing);
7960
7961        // update status bar
7962        boolean immersiveSticky =
7963                (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
7964        final boolean hideStatusBarWM =
7965                mTopFullscreenOpaqueWindowState != null
7966                && (PolicyControl.getWindowFlags(mTopFullscreenOpaqueWindowState, null)
7967                        & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0;
7968        final boolean hideStatusBarSysui =
7969                (vis & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
7970        final boolean hideNavBarSysui =
7971                (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0;
7972
7973        final boolean transientStatusBarAllowed = mStatusBar != null
7974                && (statusBarHasFocus || (!mForceShowSystemBars
7975                        && (hideStatusBarWM || (hideStatusBarSysui && immersiveSticky))));
7976
7977        final boolean transientNavBarAllowed = mNavigationBar != null
7978                && !mForceShowSystemBars && hideNavBarSysui && immersiveSticky;
7979
7980        final long now = SystemClock.uptimeMillis();
7981        final boolean pendingPanic = mPendingPanicGestureUptime != 0
7982                && now - mPendingPanicGestureUptime <= PANIC_GESTURE_EXPIRATION;
7983        if (pendingPanic && hideNavBarSysui && !isStatusBarKeyguard() && mKeyguardDrawComplete) {
7984            // The user performed the panic gesture recently, we're about to hide the bars,
7985            // we're no longer on the Keyguard and the screen is ready. We can now request the bars.
7986            mPendingPanicGestureUptime = 0;
7987            mStatusBarController.showTransient();
7988            if (!isNavBarEmpty(vis)) {
7989                mNavigationBarController.showTransient();
7990            }
7991        }
7992
7993        final boolean denyTransientStatus = mStatusBarController.isTransientShowRequested()
7994                && !transientStatusBarAllowed && hideStatusBarSysui;
7995        final boolean denyTransientNav = mNavigationBarController.isTransientShowRequested()
7996                && !transientNavBarAllowed;
7997        if (denyTransientStatus || denyTransientNav || mForceShowSystemBars) {
7998            // clear the clearable flags instead
7999            clearClearableFlagsLw();
8000            vis &= ~View.SYSTEM_UI_CLEARABLE_FLAGS;
8001        }
8002
8003        final boolean immersive = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
8004        immersiveSticky = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
8005        final boolean navAllowedHidden = immersive || immersiveSticky;
8006
8007        if (hideNavBarSysui && !navAllowedHidden
8008                && getWindowLayerLw(win) > getWindowLayerFromTypeLw(TYPE_INPUT_CONSUMER)) {
8009            // We can't hide the navbar from this window otherwise the input consumer would not get
8010            // the input events.
8011            vis = (vis & ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
8012        }
8013
8014        vis = mStatusBarController.updateVisibilityLw(transientStatusBarAllowed, oldVis, vis);
8015
8016        // update navigation bar
8017        boolean oldImmersiveMode = isImmersiveMode(oldVis);
8018        boolean newImmersiveMode = isImmersiveMode(vis);
8019        if (win != null && oldImmersiveMode != newImmersiveMode) {
8020            final String pkg = win.getOwningPackage();
8021            mImmersiveModeConfirmation.immersiveModeChangedLw(pkg, newImmersiveMode,
8022                    isUserSetupComplete(), isNavBarEmpty(win.getSystemUiVisibility()));
8023        }
8024
8025        vis = mNavigationBarController.updateVisibilityLw(transientNavBarAllowed, oldVis, vis);
8026
8027        vis = updateLightNavigationBarLw(vis, mTopFullscreenOpaqueWindowState,
8028                mTopFullscreenOpaqueOrDimmingWindowState);
8029
8030        return vis;
8031    }
8032
8033    /**
8034     * @return the current visibility flags with the nav-bar opacity related flags toggled based
8035     *         on the nav bar opacity rules chosen by {@link #mNavBarOpacityMode}.
8036     */
8037    private int configureNavBarOpacity(int visibility, boolean dockedStackVisible,
8038            boolean freeformStackVisible, boolean isDockedDividerResizing) {
8039        if (mNavBarOpacityMode == NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED) {
8040            if (dockedStackVisible || freeformStackVisible || isDockedDividerResizing) {
8041                visibility = setNavBarOpaqueFlag(visibility);
8042            }
8043        } else if (mNavBarOpacityMode == NAV_BAR_TRANSLUCENT_WHEN_FREEFORM_OPAQUE_OTHERWISE) {
8044            if (isDockedDividerResizing) {
8045                visibility = setNavBarOpaqueFlag(visibility);
8046            } else if (freeformStackVisible) {
8047                visibility = setNavBarTranslucentFlag(visibility);
8048            } else {
8049                visibility = setNavBarOpaqueFlag(visibility);
8050            }
8051        }
8052
8053        if (!areTranslucentBarsAllowed()) {
8054            visibility &= ~View.NAVIGATION_BAR_TRANSLUCENT;
8055        }
8056        return visibility;
8057    }
8058
8059    private int setNavBarOpaqueFlag(int visibility) {
8060        return visibility &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT);
8061    }
8062
8063    private int setNavBarTranslucentFlag(int visibility) {
8064        visibility &= ~View.NAVIGATION_BAR_TRANSPARENT;
8065        return visibility |= View.NAVIGATION_BAR_TRANSLUCENT;
8066    }
8067
8068    private void clearClearableFlagsLw() {
8069        int newVal = mResettingSystemUiFlags | View.SYSTEM_UI_CLEARABLE_FLAGS;
8070        if (newVal != mResettingSystemUiFlags) {
8071            mResettingSystemUiFlags = newVal;
8072            mWindowManagerFuncs.reevaluateStatusBarVisibility();
8073        }
8074    }
8075
8076    private boolean isImmersiveMode(int vis) {
8077        final int flags = View.SYSTEM_UI_FLAG_IMMERSIVE | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
8078        return mNavigationBar != null
8079                && (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
8080                && (vis & flags) != 0
8081                && canHideNavigationBar();
8082    }
8083
8084    private static boolean isNavBarEmpty(int systemUiFlags) {
8085        final int disableNavigationBar = (View.STATUS_BAR_DISABLE_HOME
8086                | View.STATUS_BAR_DISABLE_BACK
8087                | View.STATUS_BAR_DISABLE_RECENT);
8088
8089        return (systemUiFlags & disableNavigationBar) == disableNavigationBar;
8090    }
8091
8092    /**
8093     * @return whether the navigation or status bar can be made translucent
8094     *
8095     * This should return true unless touch exploration is not enabled or
8096     * R.boolean.config_enableTranslucentDecor is false.
8097     */
8098    private boolean areTranslucentBarsAllowed() {
8099        return mTranslucentDecorEnabled;
8100    }
8101
8102    // Use this instead of checking config_showNavigationBar so that it can be consistently
8103    // overridden by qemu.hw.mainkeys in the emulator.
8104    @Override
8105    public boolean hasNavigationBar() {
8106        return mHasNavigationBar;
8107    }
8108
8109    @Override
8110    public void setLastInputMethodWindowLw(WindowState ime, WindowState target) {
8111        mLastInputMethodWindow = ime;
8112        mLastInputMethodTargetWindow = target;
8113    }
8114
8115    @Override
8116    public void setDismissImeOnBackKeyPressed(boolean newValue) {
8117        mDismissImeOnBackKeyPressed = newValue;
8118    }
8119
8120    @Override
8121    public int getInputMethodWindowVisibleHeightLw() {
8122        return mDockBottom - mCurBottom;
8123    }
8124
8125    @Override
8126    public void setCurrentUserLw(int newUserId) {
8127        mCurrentUserId = newUserId;
8128        if (mKeyguardDelegate != null) {
8129            mKeyguardDelegate.setCurrentUser(newUserId);
8130        }
8131        if (mAccessibilityShortcutController != null) {
8132            mAccessibilityShortcutController.setCurrentUser(newUserId);
8133        }
8134        StatusBarManagerInternal statusBar = getStatusBarManagerInternal();
8135        if (statusBar != null) {
8136            statusBar.setCurrentUser(newUserId);
8137        }
8138        setLastInputMethodWindowLw(null, null);
8139    }
8140
8141    @Override
8142    public void setSwitchingUser(boolean switching) {
8143        mKeyguardDelegate.setSwitchingUser(switching);
8144    }
8145
8146    @Override
8147    public boolean canMagnifyWindow(int windowType) {
8148        switch (windowType) {
8149            case WindowManager.LayoutParams.TYPE_INPUT_METHOD:
8150            case WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG:
8151            case WindowManager.LayoutParams.TYPE_NAVIGATION_BAR:
8152            case WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY: {
8153                return false;
8154            }
8155        }
8156        return true;
8157    }
8158
8159    @Override
8160    public boolean isTopLevelWindow(int windowType) {
8161        if (windowType >= WindowManager.LayoutParams.FIRST_SUB_WINDOW
8162                && windowType <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
8163            return (windowType == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG);
8164        }
8165        return true;
8166    }
8167
8168    @Override
8169    public boolean shouldRotateSeamlessly(int oldRotation, int newRotation) {
8170        // For the upside down rotation we don't rotate seamlessly as the navigation
8171        // bar moves position.
8172        // Note most apps (using orientation:sensor or user as opposed to fullSensor)
8173        // will not enter the reverse portrait orientation, so actually the
8174        // orientation won't change at all.
8175        if (oldRotation == mUpsideDownRotation || newRotation == mUpsideDownRotation) {
8176            return false;
8177        }
8178        // If the navigation bar can't change sides, then it will
8179        // jump when we change orientations and we don't rotate
8180        // seamlessly.
8181        if (!mNavigationBarCanMove) {
8182            return false;
8183        }
8184        int delta = newRotation - oldRotation;
8185        if (delta < 0) delta += 4;
8186        // Likewise we don't rotate seamlessly for 180 degree rotations
8187        // in this case the surfaces never resize, and our logic to
8188        // revert the transformations on size change will fail. We could
8189        // fix this in the future with the "tagged" frames idea.
8190        if (delta == Surface.ROTATION_180) {
8191            return false;
8192        }
8193
8194        final WindowState w = mTopFullscreenOpaqueWindowState;
8195        if (w != mFocusedWindow) {
8196            return false;
8197        }
8198
8199        // We only enable seamless rotation if the top window has requested
8200        // it and is in the fullscreen opaque state. Seamless rotation
8201        // requires freezing various Surface states and won't work well
8202        // with animations, so we disable it in the animation case for now.
8203        if (w != null && !w.isAnimatingLw() &&
8204                ((w.getAttrs().rotationAnimation == ROTATION_ANIMATION_JUMPCUT) ||
8205                        (w.getAttrs().rotationAnimation == ROTATION_ANIMATION_SEAMLESS))) {
8206            return true;
8207        }
8208        return false;
8209    }
8210
8211    @Override
8212    public void dump(String prefix, PrintWriter pw, String[] args) {
8213        pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
8214                pw.print(" mSystemReady="); pw.print(mSystemReady);
8215                pw.print(" mSystemBooted="); pw.println(mSystemBooted);
8216        pw.print(prefix); pw.print("mLidState="); pw.print(mLidState);
8217                pw.print(" mLidOpenRotation="); pw.print(mLidOpenRotation);
8218                pw.print(" mCameraLensCoverState="); pw.print(mCameraLensCoverState);
8219                pw.print(" mHdmiPlugged="); pw.println(mHdmiPlugged);
8220        if (mLastSystemUiFlags != 0 || mResettingSystemUiFlags != 0
8221                || mForceClearedSystemUiFlags != 0) {
8222            pw.print(prefix); pw.print("mLastSystemUiFlags=0x");
8223                    pw.print(Integer.toHexString(mLastSystemUiFlags));
8224                    pw.print(" mResettingSystemUiFlags=0x");
8225                    pw.print(Integer.toHexString(mResettingSystemUiFlags));
8226                    pw.print(" mForceClearedSystemUiFlags=0x");
8227                    pw.println(Integer.toHexString(mForceClearedSystemUiFlags));
8228        }
8229        if (mLastFocusNeedsMenu) {
8230            pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
8231                    pw.println(mLastFocusNeedsMenu);
8232        }
8233        pw.print(prefix); pw.print("mWakeGestureEnabledSetting=");
8234                pw.println(mWakeGestureEnabledSetting);
8235
8236        pw.print(prefix); pw.print("mSupportAutoRotation="); pw.println(mSupportAutoRotation);
8237        pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
8238                pw.print(" mDockMode="); pw.print(mDockMode);
8239                pw.print(" mEnableCarDockHomeCapture="); pw.print(mEnableCarDockHomeCapture);
8240                pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
8241                pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
8242        pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);
8243                pw.print(" mUserRotation="); pw.print(mUserRotation);
8244                pw.print(" mAllowAllRotations="); pw.println(mAllowAllRotations);
8245        pw.print(prefix); pw.print("mCurrentAppOrientation="); pw.println(mCurrentAppOrientation);
8246        pw.print(prefix); pw.print("mCarDockEnablesAccelerometer=");
8247                pw.print(mCarDockEnablesAccelerometer);
8248                pw.print(" mDeskDockEnablesAccelerometer=");
8249                pw.println(mDeskDockEnablesAccelerometer);
8250        pw.print(prefix); pw.print("mLidKeyboardAccessibility=");
8251                pw.print(mLidKeyboardAccessibility);
8252                pw.print(" mLidNavigationAccessibility="); pw.print(mLidNavigationAccessibility);
8253                pw.print(" mLidControlsScreenLock="); pw.println(mLidControlsScreenLock);
8254                pw.print(" mLidControlsSleep="); pw.println(mLidControlsSleep);
8255        pw.print(prefix);
8256                pw.print(" mLongPressOnBackBehavior="); pw.println(mLongPressOnBackBehavior);
8257        pw.print(prefix);
8258                pw.print("mShortPressOnPowerBehavior="); pw.print(mShortPressOnPowerBehavior);
8259                pw.print(" mLongPressOnPowerBehavior="); pw.println(mLongPressOnPowerBehavior);
8260        pw.print(prefix);
8261                pw.print("mDoublePressOnPowerBehavior="); pw.print(mDoublePressOnPowerBehavior);
8262                pw.print(" mTriplePressOnPowerBehavior="); pw.println(mTriplePressOnPowerBehavior);
8263        pw.print(prefix); pw.print("mHasSoftInput="); pw.println(mHasSoftInput);
8264        pw.print(prefix); pw.print("mAwake="); pw.println(mAwake);
8265        pw.print(prefix); pw.print("mScreenOnEarly="); pw.print(mScreenOnEarly);
8266                pw.print(" mScreenOnFully="); pw.println(mScreenOnFully);
8267        pw.print(prefix); pw.print("mKeyguardDrawComplete="); pw.print(mKeyguardDrawComplete);
8268                pw.print(" mWindowManagerDrawComplete="); pw.println(mWindowManagerDrawComplete);
8269        pw.print(prefix); pw.print("mOrientationSensorEnabled=");
8270                pw.println(mOrientationSensorEnabled);
8271        pw.print(prefix); pw.print("mOverscanScreen=("); pw.print(mOverscanScreenLeft);
8272                pw.print(","); pw.print(mOverscanScreenTop);
8273                pw.print(") "); pw.print(mOverscanScreenWidth);
8274                pw.print("x"); pw.println(mOverscanScreenHeight);
8275        if (mOverscanLeft != 0 || mOverscanTop != 0
8276                || mOverscanRight != 0 || mOverscanBottom != 0) {
8277            pw.print(prefix); pw.print("mOverscan left="); pw.print(mOverscanLeft);
8278                    pw.print(" top="); pw.print(mOverscanTop);
8279                    pw.print(" right="); pw.print(mOverscanRight);
8280                    pw.print(" bottom="); pw.println(mOverscanBottom);
8281        }
8282        pw.print(prefix); pw.print("mRestrictedOverscanScreen=(");
8283                pw.print(mRestrictedOverscanScreenLeft);
8284                pw.print(","); pw.print(mRestrictedOverscanScreenTop);
8285                pw.print(") "); pw.print(mRestrictedOverscanScreenWidth);
8286                pw.print("x"); pw.println(mRestrictedOverscanScreenHeight);
8287        pw.print(prefix); pw.print("mUnrestrictedScreen=("); pw.print(mUnrestrictedScreenLeft);
8288                pw.print(","); pw.print(mUnrestrictedScreenTop);
8289                pw.print(") "); pw.print(mUnrestrictedScreenWidth);
8290                pw.print("x"); pw.println(mUnrestrictedScreenHeight);
8291        pw.print(prefix); pw.print("mRestrictedScreen=("); pw.print(mRestrictedScreenLeft);
8292                pw.print(","); pw.print(mRestrictedScreenTop);
8293                pw.print(") "); pw.print(mRestrictedScreenWidth);
8294                pw.print("x"); pw.println(mRestrictedScreenHeight);
8295        pw.print(prefix); pw.print("mStableFullscreen=("); pw.print(mStableFullscreenLeft);
8296                pw.print(","); pw.print(mStableFullscreenTop);
8297                pw.print(")-("); pw.print(mStableFullscreenRight);
8298                pw.print(","); pw.print(mStableFullscreenBottom); pw.println(")");
8299        pw.print(prefix); pw.print("mStable=("); pw.print(mStableLeft);
8300                pw.print(","); pw.print(mStableTop);
8301                pw.print(")-("); pw.print(mStableRight);
8302                pw.print(","); pw.print(mStableBottom); pw.println(")");
8303        pw.print(prefix); pw.print("mSystem=("); pw.print(mSystemLeft);
8304                pw.print(","); pw.print(mSystemTop);
8305                pw.print(")-("); pw.print(mSystemRight);
8306                pw.print(","); pw.print(mSystemBottom); pw.println(")");
8307        pw.print(prefix); pw.print("mCur=("); pw.print(mCurLeft);
8308                pw.print(","); pw.print(mCurTop);
8309                pw.print(")-("); pw.print(mCurRight);
8310                pw.print(","); pw.print(mCurBottom); pw.println(")");
8311        pw.print(prefix); pw.print("mContent=("); pw.print(mContentLeft);
8312                pw.print(","); pw.print(mContentTop);
8313                pw.print(")-("); pw.print(mContentRight);
8314                pw.print(","); pw.print(mContentBottom); pw.println(")");
8315        pw.print(prefix); pw.print("mVoiceContent=("); pw.print(mVoiceContentLeft);
8316                pw.print(","); pw.print(mVoiceContentTop);
8317                pw.print(")-("); pw.print(mVoiceContentRight);
8318                pw.print(","); pw.print(mVoiceContentBottom); pw.println(")");
8319        pw.print(prefix); pw.print("mDock=("); pw.print(mDockLeft);
8320                pw.print(","); pw.print(mDockTop);
8321                pw.print(")-("); pw.print(mDockRight);
8322                pw.print(","); pw.print(mDockBottom); pw.println(")");
8323        pw.print(prefix); pw.print("mDockLayer="); pw.print(mDockLayer);
8324                pw.print(" mStatusBarLayer="); pw.println(mStatusBarLayer);
8325        pw.print(prefix); pw.print("mShowingDream="); pw.print(mShowingDream);
8326                pw.print(" mDreamingLockscreen="); pw.print(mDreamingLockscreen);
8327                pw.print(" mDreamingSleepToken="); pw.println(mDreamingSleepToken);
8328        if (mLastInputMethodWindow != null) {
8329            pw.print(prefix); pw.print("mLastInputMethodWindow=");
8330                    pw.println(mLastInputMethodWindow);
8331        }
8332        if (mLastInputMethodTargetWindow != null) {
8333            pw.print(prefix); pw.print("mLastInputMethodTargetWindow=");
8334                    pw.println(mLastInputMethodTargetWindow);
8335        }
8336        pw.print(prefix); pw.print("mDismissImeOnBackKeyPressed=");
8337                pw.println(mDismissImeOnBackKeyPressed);
8338        if (mStatusBar != null) {
8339            pw.print(prefix); pw.print("mStatusBar=");
8340                    pw.print(mStatusBar); pw.print(" isStatusBarKeyguard=");
8341                    pw.println(isStatusBarKeyguard());
8342        }
8343        if (mNavigationBar != null) {
8344            pw.print(prefix); pw.print("mNavigationBar=");
8345                    pw.println(mNavigationBar);
8346        }
8347        if (mFocusedWindow != null) {
8348            pw.print(prefix); pw.print("mFocusedWindow=");
8349                    pw.println(mFocusedWindow);
8350        }
8351        if (mFocusedApp != null) {
8352            pw.print(prefix); pw.print("mFocusedApp=");
8353                    pw.println(mFocusedApp);
8354        }
8355        if (mTopFullscreenOpaqueWindowState != null) {
8356            pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
8357                    pw.println(mTopFullscreenOpaqueWindowState);
8358        }
8359        if (mTopFullscreenOpaqueOrDimmingWindowState != null) {
8360            pw.print(prefix); pw.print("mTopFullscreenOpaqueOrDimmingWindowState=");
8361                    pw.println(mTopFullscreenOpaqueOrDimmingWindowState);
8362        }
8363        if (mForcingShowNavBar) {
8364            pw.print(prefix); pw.print("mForcingShowNavBar=");
8365                    pw.println(mForcingShowNavBar); pw.print( "mForcingShowNavBarLayer=");
8366                    pw.println(mForcingShowNavBarLayer);
8367        }
8368        pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
8369                pw.print(" mKeyguardOccluded="); pw.println(mKeyguardOccluded);
8370                pw.print(" mKeyguardOccludedChanged="); pw.println(mKeyguardOccludedChanged);
8371                pw.print(" mPendingKeyguardOccluded="); pw.println(mPendingKeyguardOccluded);
8372        pw.print(prefix); pw.print("mForceStatusBar="); pw.print(mForceStatusBar);
8373                pw.print(" mForceStatusBarFromKeyguard=");
8374                pw.println(mForceStatusBarFromKeyguard);
8375        pw.print(prefix); pw.print("mHomePressed="); pw.println(mHomePressed);
8376        pw.print(prefix); pw.print("mAllowLockscreenWhenOn="); pw.print(mAllowLockscreenWhenOn);
8377                pw.print(" mLockScreenTimeout="); pw.print(mLockScreenTimeout);
8378                pw.print(" mLockScreenTimerActive="); pw.println(mLockScreenTimerActive);
8379        pw.print(prefix); pw.print("mEndcallBehavior="); pw.print(mEndcallBehavior);
8380                pw.print(" mIncallPowerBehavior="); pw.print(mIncallPowerBehavior);
8381                pw.print(" mIncallBackBehavior="); pw.print(mIncallBackBehavior);
8382                pw.print(" mLongPressOnHomeBehavior="); pw.println(mLongPressOnHomeBehavior);
8383        pw.print(prefix); pw.print("mLandscapeRotation="); pw.print(mLandscapeRotation);
8384                pw.print(" mSeascapeRotation="); pw.println(mSeascapeRotation);
8385        pw.print(prefix); pw.print("mPortraitRotation="); pw.print(mPortraitRotation);
8386                pw.print(" mUpsideDownRotation="); pw.println(mUpsideDownRotation);
8387        pw.print(prefix); pw.print("mDemoHdmiRotation="); pw.print(mDemoHdmiRotation);
8388                pw.print(" mDemoHdmiRotationLock="); pw.println(mDemoHdmiRotationLock);
8389        pw.print(prefix); pw.print("mUndockedHdmiRotation="); pw.println(mUndockedHdmiRotation);
8390        if (mHasFeatureLeanback) {
8391            pw.print(prefix);
8392            pw.print("mAccessibilityTvKey1Pressed="); pw.println(mAccessibilityTvKey1Pressed);
8393            pw.print(prefix);
8394            pw.print("mAccessibilityTvKey2Pressed="); pw.println(mAccessibilityTvKey2Pressed);
8395            pw.print(prefix);
8396            pw.print("mAccessibilityTvScheduled="); pw.println(mAccessibilityTvScheduled);
8397        }
8398
8399        mGlobalKeyManager.dump(prefix, pw);
8400        mStatusBarController.dump(pw, prefix);
8401        mNavigationBarController.dump(pw, prefix);
8402        PolicyControl.dump(prefix, pw);
8403
8404        if (mWakeGestureListener != null) {
8405            mWakeGestureListener.dump(pw, prefix);
8406        }
8407        if (mOrientationListener != null) {
8408            mOrientationListener.dump(pw, prefix);
8409        }
8410        if (mBurnInProtectionHelper != null) {
8411            mBurnInProtectionHelper.dump(prefix, pw);
8412        }
8413        if (mKeyguardDelegate != null) {
8414            mKeyguardDelegate.dump(prefix, pw);
8415        }
8416    }
8417}
8418