PhoneWindowManager.java revision d88eb2693b6a70af0f5fbc5881ce855e28de33aa 
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.server.policy;
18
19import static android.app.ActivityManager.StackId.DOCKED_STACK_ID;
20import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
21import static android.app.ActivityManager.StackId.HOME_STACK_ID;
22import static android.content.pm.PackageManager.FEATURE_PICTURE_IN_PICTURE;
23import static android.content.pm.PackageManager.FEATURE_TELEVISION;
24import static android.content.pm.PackageManager.FEATURE_WATCH;
25import static android.content.res.Configuration.EMPTY;
26import static android.content.res.Configuration.UI_MODE_TYPE_CAR;
27import static android.content.res.Configuration.UI_MODE_TYPE_MASK;
28import static android.view.WindowManager.DOCKED_TOP;
29import static android.view.WindowManager.DOCKED_LEFT;
30import static android.view.WindowManager.DOCKED_RIGHT;
31import static android.view.WindowManager.TAKE_SCREENSHOT_FULLSCREEN;
32import static android.view.WindowManager.TAKE_SCREENSHOT_SELECTED_REGION;
33import static android.view.WindowManager.LayoutParams.*;
34import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVERED;
35import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVER_ABSENT;
36import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_UNCOVERED;
37import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_ABSENT;
38import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_CLOSED;
39import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_OPEN;
40
41import android.app.ActivityManager;
42import android.app.ActivityManager.StackId;
43import android.app.ActivityManagerInternal;
44import android.app.ActivityManagerInternal.SleepToken;
45import android.app.ActivityManagerNative;
46import android.app.AppOpsManager;
47import android.app.IUiModeManager;
48import android.app.ProgressDialog;
49import android.app.SearchManager;
50import android.app.StatusBarManager;
51import android.app.UiModeManager;
52import android.content.ActivityNotFoundException;
53import android.content.BroadcastReceiver;
54import android.content.ComponentName;
55import android.content.ContentResolver;
56import android.content.Context;
57import android.content.Intent;
58import android.content.IntentFilter;
59import android.content.ServiceConnection;
60import android.content.pm.ActivityInfo;
61import android.content.pm.ApplicationInfo;
62import android.content.pm.PackageManager;
63import android.content.pm.ResolveInfo;
64import android.content.res.CompatibilityInfo;
65import android.content.res.Configuration;
66import android.content.res.Resources;
67import android.content.res.TypedArray;
68import android.database.ContentObserver;
69import android.graphics.PixelFormat;
70import android.graphics.Rect;
71import android.hardware.hdmi.HdmiControlManager;
72import android.hardware.hdmi.HdmiPlaybackClient;
73import android.hardware.hdmi.HdmiPlaybackClient.OneTouchPlayCallback;
74import android.hardware.input.InputManagerInternal;
75import android.media.AudioAttributes;
76import android.media.AudioManager;
77import android.media.AudioSystem;
78import android.media.IAudioService;
79import android.media.Ringtone;
80import android.media.RingtoneManager;
81import android.media.session.MediaSessionLegacyHelper;
82import android.os.Binder;
83import android.os.Build;
84import android.os.Bundle;
85import android.os.Debug;
86import android.os.FactoryTest;
87import android.os.Handler;
88import android.os.IBinder;
89import android.os.IDeviceIdleController;
90import android.os.Looper;
91import android.os.Message;
92import android.os.Messenger;
93import android.os.PowerManager;
94import android.os.PowerManagerInternal;
95import android.os.Process;
96import android.os.RemoteException;
97import android.os.ServiceManager;
98import android.os.SystemClock;
99import android.os.SystemProperties;
100import android.os.UEventObserver;
101import android.os.UserHandle;
102import android.os.Vibrator;
103import android.provider.MediaStore;
104import android.provider.Settings;
105import android.service.dreams.DreamManagerInternal;
106import android.service.dreams.DreamService;
107import android.service.dreams.IDreamManager;
108import android.speech.RecognizerIntent;
109import android.telecom.TelecomManager;
110import android.util.DisplayMetrics;
111import android.util.EventLog;
112import android.util.Log;
113import android.util.MutableBoolean;
114import android.util.Slog;
115import android.util.SparseArray;
116import android.util.LongSparseArray;
117import android.view.Display;
118import android.view.Gravity;
119import android.view.HapticFeedbackConstants;
120import android.view.IApplicationToken;
121import android.view.IWindowManager;
122import android.view.InputChannel;
123import android.view.InputDevice;
124import android.view.InputEvent;
125import android.view.InputEventReceiver;
126import android.view.KeyCharacterMap;
127import android.view.KeyCharacterMap.FallbackAction;
128import android.view.KeyEvent;
129import android.view.MotionEvent;
130import android.view.Surface;
131import android.view.View;
132import android.view.ViewConfiguration;
133import android.view.WindowManager;
134import android.view.WindowManagerGlobal;
135import android.view.WindowManagerInternal;
136import android.view.WindowManagerPolicy;
137import android.view.accessibility.AccessibilityEvent;
138import android.view.accessibility.AccessibilityManager;
139import android.view.animation.Animation;
140import android.view.animation.AnimationSet;
141import android.view.animation.AnimationUtils;
142import com.android.internal.R;
143import com.android.internal.logging.MetricsLogger;
144import com.android.internal.policy.PhoneWindow;
145import com.android.internal.policy.IShortcutService;
146import com.android.internal.statusbar.IStatusBarService;
147import com.android.internal.util.ScreenShapeHelper;
148import com.android.internal.widget.PointerLocationView;
149import com.android.server.GestureLauncherService;
150import com.android.server.LocalServices;
151import com.android.server.policy.keyguard.KeyguardServiceDelegate;
152import com.android.server.policy.keyguard.KeyguardServiceDelegate.DrawnListener;
153import com.android.server.statusbar.StatusBarManagerInternal;
154
155import java.io.File;
156import java.io.FileReader;
157import java.io.IOException;
158import java.io.PrintWriter;
159import java.util.HashSet;
160import java.util.List;
161
162/**
163 * WindowManagerPolicy implementation for the Android phone UI.  This
164 * introduces a new method suffix, Lp, for an internal lock of the
165 * PhoneWindowManager.  This is used to protect some internal state, and
166 * can be acquired with either the Lw and Li lock held, so has the restrictions
167 * of both of those when held.
168 */
169public class PhoneWindowManager implements WindowManagerPolicy {
170    static final String TAG = "WindowManager";
171    static final boolean DEBUG = false;
172    static final boolean localLOGV = false;
173    static final boolean DEBUG_INPUT = false;
174    static final boolean DEBUG_KEYGUARD = false;
175    static final boolean DEBUG_LAYOUT = false;
176    static final boolean DEBUG_STARTING_WINDOW = false;
177    static final boolean DEBUG_WAKEUP = false;
178    static final boolean SHOW_STARTING_ANIMATIONS = true;
179    static final boolean SHOW_PROCESSES_ON_ALT_MENU = false;
180
181    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
182    // No longer recommended for desk docks;
183    static final boolean ENABLE_DESK_DOCK_HOME_CAPTURE = false;
184
185    static final int SHORT_PRESS_POWER_NOTHING = 0;
186    static final int SHORT_PRESS_POWER_GO_TO_SLEEP = 1;
187    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP = 2;
188    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME = 3;
189    static final int SHORT_PRESS_POWER_GO_HOME = 4;
190
191    static final int LONG_PRESS_POWER_NOTHING = 0;
192    static final int LONG_PRESS_POWER_GLOBAL_ACTIONS = 1;
193    static final int LONG_PRESS_POWER_SHUT_OFF = 2;
194    static final int LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM = 3;
195
196    static final int LONG_PRESS_BACK_NOTHING = 0;
197    static final int LONG_PRESS_BACK_GO_TO_VOICE_ASSIST = 1;
198
199    static final int MULTI_PRESS_POWER_NOTHING = 0;
200    static final int MULTI_PRESS_POWER_THEATER_MODE = 1;
201    static final int MULTI_PRESS_POWER_BRIGHTNESS_BOOST = 2;
202
203    // These need to match the documentation/constant in
204    // core/res/res/values/config.xml
205    static final int LONG_PRESS_HOME_NOTHING = 0;
206    static final int LONG_PRESS_HOME_RECENT_SYSTEM_UI = 1;
207    static final int LONG_PRESS_HOME_ASSIST = 2;
208    static final int LAST_LONG_PRESS_HOME_BEHAVIOR = LONG_PRESS_HOME_ASSIST;
209
210    static final int DOUBLE_TAP_HOME_NOTHING = 0;
211    static final int DOUBLE_TAP_HOME_RECENT_SYSTEM_UI = 1;
212
213    static final int SHORT_PRESS_WINDOW_NOTHING = 0;
214    static final int SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE = 1;
215
216    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP = 0;
217    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME = 1;
218
219    static final int PENDING_KEY_NULL = -1;
220
221    // Controls navigation bar opacity depending on which workspace stacks are currently
222    // visible.
223    // Nav bar is always opaque when either the freeform stack or docked stack is visible.
224    static final int NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED = 0;
225    // Nav bar is always translucent when the freeform stack is visible, otherwise always opaque.
226    static final int NAV_BAR_TRANSLUCENT_WHEN_FREEFORM_OPAQUE_OTHERWISE = 1;
227
228    static final int APPLICATION_MEDIA_SUBLAYER = -2;
229    static final int APPLICATION_MEDIA_OVERLAY_SUBLAYER = -1;
230    static final int APPLICATION_PANEL_SUBLAYER = 1;
231    static final int APPLICATION_SUB_PANEL_SUBLAYER = 2;
232    static final int APPLICATION_ABOVE_SUB_PANEL_SUBLAYER = 3;
233
234    static public final String SYSTEM_DIALOG_REASON_KEY = "reason";
235    static public final String SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS = "globalactions";
236    static public final String SYSTEM_DIALOG_REASON_RECENT_APPS = "recentapps";
237    static public final String SYSTEM_DIALOG_REASON_HOME_KEY = "homekey";
238    static public final String SYSTEM_DIALOG_REASON_ASSIST = "assist";
239
240    /**
241     * These are the system UI flags that, when changing, can cause the layout
242     * of the screen to change.
243     */
244    static final int SYSTEM_UI_CHANGING_LAYOUT =
245              View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
246            | View.SYSTEM_UI_FLAG_FULLSCREEN
247            | View.STATUS_BAR_TRANSLUCENT
248            | View.NAVIGATION_BAR_TRANSLUCENT
249            | View.STATUS_BAR_TRANSPARENT
250            | View.NAVIGATION_BAR_TRANSPARENT;
251
252    private static final AudioAttributes VIBRATION_ATTRIBUTES = new AudioAttributes.Builder()
253            .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
254            .setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION)
255            .build();
256
257    // The panic gesture may become active only after the keyguard is dismissed and the immersive
258    // app shows again. If that doesn't happen for 30s we drop the gesture.
259    private static final long PANIC_GESTURE_EXPIRATION = 30000;
260
261    private static final String SYSUI_PACKAGE = "com.android.systemui";
262    private static final String SYSUI_SCREENSHOT_SERVICE =
263            "com.android.systemui.screenshot.TakeScreenshotService";
264    private static final String SYSUI_SCREENSHOT_ERROR_RECEIVER =
265            "com.android.systemui.screenshot.ScreenshotServiceErrorReceiver";
266
267    private static final int NAV_BAR_BOTTOM = 0;
268    private static final int NAV_BAR_RIGHT = 1;
269    private static final int NAV_BAR_LEFT = 2;
270
271    /**
272     * Keyguard stuff
273     */
274    private WindowState mKeyguardScrim;
275    private boolean mKeyguardHidden;
276    private boolean mKeyguardDrawnOnce;
277
278    /* Table of Application Launch keys.  Maps from key codes to intent categories.
279     *
280     * These are special keys that are used to launch particular kinds of applications,
281     * such as a web browser.  HID defines nearly a hundred of them in the Consumer (0x0C)
282     * usage page.  We don't support quite that many yet...
283     */
284    static SparseArray<String> sApplicationLaunchKeyCategories;
285    static {
286        sApplicationLaunchKeyCategories = new SparseArray<String>();
287        sApplicationLaunchKeyCategories.append(
288                KeyEvent.KEYCODE_EXPLORER, Intent.CATEGORY_APP_BROWSER);
289        sApplicationLaunchKeyCategories.append(
290                KeyEvent.KEYCODE_ENVELOPE, Intent.CATEGORY_APP_EMAIL);
291        sApplicationLaunchKeyCategories.append(
292                KeyEvent.KEYCODE_CONTACTS, Intent.CATEGORY_APP_CONTACTS);
293        sApplicationLaunchKeyCategories.append(
294                KeyEvent.KEYCODE_CALENDAR, Intent.CATEGORY_APP_CALENDAR);
295        sApplicationLaunchKeyCategories.append(
296                KeyEvent.KEYCODE_MUSIC, Intent.CATEGORY_APP_MUSIC);
297        sApplicationLaunchKeyCategories.append(
298                KeyEvent.KEYCODE_CALCULATOR, Intent.CATEGORY_APP_CALCULATOR);
299    }
300
301    /** Amount of time (in milliseconds) to wait for windows drawn before powering on. */
302    static final int WAITING_FOR_DRAWN_TIMEOUT = 1000;
303
304    /**
305     * Lock protecting internal state.  Must not call out into window
306     * manager with lock held.  (This lock will be acquired in places
307     * where the window manager is calling in with its own lock held.)
308     */
309    private final Object mLock = new Object();
310
311    Context mContext;
312    IWindowManager mWindowManager;
313    WindowManagerFuncs mWindowManagerFuncs;
314    WindowManagerInternal mWindowManagerInternal;
315    PowerManager mPowerManager;
316    ActivityManagerInternal mActivityManagerInternal;
317    InputManagerInternal mInputManagerInternal;
318    DreamManagerInternal mDreamManagerInternal;
319    PowerManagerInternal mPowerManagerInternal;
320    IStatusBarService mStatusBarService;
321    StatusBarManagerInternal mStatusBarManagerInternal;
322    boolean mPreloadedRecentApps;
323    final Object mServiceAquireLock = new Object();
324    Vibrator mVibrator; // Vibrator for giving feedback of orientation changes
325    SearchManager mSearchManager;
326    AccessibilityManager mAccessibilityManager;
327    BurnInProtectionHelper mBurnInProtectionHelper;
328    AppOpsManager mAppOpsManager;
329    private boolean mHasFeatureWatch;
330
331    // Vibrator pattern for haptic feedback of a long press.
332    long[] mLongPressVibePattern;
333
334    // Vibrator pattern for haptic feedback of virtual key press.
335    long[] mVirtualKeyVibePattern;
336
337    // Vibrator pattern for a short vibration.
338    long[] mKeyboardTapVibePattern;
339
340    // Vibrator pattern for a short vibration when tapping on an hour/minute tick of a Clock.
341    long[] mClockTickVibePattern;
342
343    // Vibrator pattern for a short vibration when tapping on a day/month/year date of a Calendar.
344    long[] mCalendarDateVibePattern;
345
346    // Vibrator pattern for haptic feedback during boot when safe mode is disabled.
347    long[] mSafeModeDisabledVibePattern;
348
349    // Vibrator pattern for haptic feedback during boot when safe mode is enabled.
350    long[] mSafeModeEnabledVibePattern;
351
352    // Vibrator pattern for haptic feedback of a context click.
353    long[] mContextClickVibePattern;
354
355    /** If true, hitting shift & menu will broadcast Intent.ACTION_BUG_REPORT */
356    boolean mEnableShiftMenuBugReports = false;
357
358    boolean mSafeMode;
359    WindowState mStatusBar = null;
360    int mStatusBarHeight;
361    WindowState mNavigationBar = null;
362    boolean mHasNavigationBar = false;
363    boolean mNavigationBarCanMove = false; // can the navigation bar ever move to the side?
364    int mNavigationBarPosition = NAV_BAR_BOTTOM;
365    int[] mNavigationBarHeightForRotationDefault = new int[4];
366    int[] mNavigationBarWidthForRotationDefault = new int[4];
367    int[] mNavigationBarHeightForRotationInCarMode = new int[4];
368    int[] mNavigationBarWidthForRotationInCarMode = new int[4];
369
370    private LongSparseArray<IShortcutService> mShortcutKeyServices = new LongSparseArray<>();
371
372    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
373    // This is for car dock and this is updated from resource.
374    private boolean mEnableCarDockHomeCapture = true;
375
376    boolean mBootMessageNeedsHiding;
377    KeyguardServiceDelegate mKeyguardDelegate;
378    final Runnable mWindowManagerDrawCallback = new Runnable() {
379        @Override
380        public void run() {
381            if (DEBUG_WAKEUP) Slog.i(TAG, "All windows ready for display!");
382            mHandler.sendEmptyMessage(MSG_WINDOW_MANAGER_DRAWN_COMPLETE);
383        }
384    };
385    final DrawnListener mKeyguardDrawnCallback = new DrawnListener() {
386        @Override
387        public void onDrawn() {
388            if (DEBUG_WAKEUP) Slog.d(TAG, "mKeyguardDelegate.ShowListener.onDrawn.");
389            mHandler.sendEmptyMessage(MSG_KEYGUARD_DRAWN_COMPLETE);
390        }
391    };
392
393    GlobalActions mGlobalActions;
394    Handler mHandler;
395    WindowState mLastInputMethodWindow = null;
396    WindowState mLastInputMethodTargetWindow = null;
397
398    // FIXME This state is shared between the input reader and handler thread.
399    // Technically it's broken and buggy but it has been like this for many years
400    // and we have not yet seen any problems.  Someday we'll rewrite this logic
401    // so that only one thread is involved in handling input policy.  Unfortunately
402    // it's on a critical path for power management so we can't just post the work to the
403    // handler thread.  We'll need to resolve this someday by teaching the input dispatcher
404    // to hold wakelocks during dispatch and eliminating the critical path.
405    volatile boolean mPowerKeyHandled;
406    volatile boolean mBackKeyHandled;
407    volatile boolean mBeganFromNonInteractive;
408    volatile int mPowerKeyPressCounter;
409    volatile boolean mEndCallKeyHandled;
410    volatile boolean mCameraGestureTriggeredDuringGoingToSleep;
411    volatile boolean mGoingToSleep;
412    volatile boolean mRecentsVisible;
413    volatile boolean mTvPictureInPictureVisible;
414
415    // Used to hold the last user key used to wake the device.  This helps us prevent up events
416    // from being passed to the foregrounded app without a corresponding down event
417    volatile int mPendingWakeKey = PENDING_KEY_NULL;
418
419    int mRecentAppsHeldModifiers;
420    boolean mLanguageSwitchKeyPressed;
421
422    int mLidState = LID_ABSENT;
423    int mCameraLensCoverState = CAMERA_LENS_COVER_ABSENT;
424    boolean mHaveBuiltInKeyboard;
425
426    boolean mSystemReady;
427    boolean mSystemBooted;
428    private boolean mDeferBindKeyguard;
429    boolean mHdmiPlugged;
430    HdmiControl mHdmiControl;
431    IUiModeManager mUiModeManager;
432    int mUiMode;
433    int mDockMode = Intent.EXTRA_DOCK_STATE_UNDOCKED;
434    int mLidOpenRotation;
435    int mCarDockRotation;
436    int mDeskDockRotation;
437    int mUndockedHdmiRotation;
438    int mDemoHdmiRotation;
439    boolean mDemoHdmiRotationLock;
440    int mDemoRotation;
441    boolean mDemoRotationLock;
442
443    boolean mWakeGestureEnabledSetting;
444    MyWakeGestureListener mWakeGestureListener;
445
446    // Default display does not rotate, apps that require non-default orientation will have to
447    // have the orientation emulated.
448    private boolean mForceDefaultOrientation = false;
449
450    int mUserRotationMode = WindowManagerPolicy.USER_ROTATION_FREE;
451    int mUserRotation = Surface.ROTATION_0;
452    boolean mAccelerometerDefault;
453
454    boolean mSupportAutoRotation;
455    int mAllowAllRotations = -1;
456    boolean mCarDockEnablesAccelerometer;
457    boolean mDeskDockEnablesAccelerometer;
458    int mLidKeyboardAccessibility;
459    int mLidNavigationAccessibility;
460    boolean mLidControlsScreenLock;
461    boolean mLidControlsSleep;
462    int mShortPressOnPowerBehavior;
463    int mLongPressOnPowerBehavior;
464    int mDoublePressOnPowerBehavior;
465    int mTriplePressOnPowerBehavior;
466    int mLongPressOnBackBehavior;
467    int mShortPressOnSleepBehavior;
468    int mShortPressWindowBehavior;
469    boolean mAwake;
470    boolean mScreenOnEarly;
471    boolean mScreenOnFully;
472    ScreenOnListener mScreenOnListener;
473    boolean mKeyguardDrawComplete;
474    boolean mWindowManagerDrawComplete;
475    boolean mOrientationSensorEnabled = false;
476    int mCurrentAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
477    boolean mHasSoftInput = false;
478    boolean mTranslucentDecorEnabled = true;
479    boolean mUseTvRouting;
480
481    int mPointerLocationMode = 0; // guarded by mLock
482
483    // The last window we were told about in focusChanged.
484    WindowState mFocusedWindow;
485    IApplicationToken mFocusedApp;
486
487    PointerLocationView mPointerLocationView;
488
489    // The current size of the screen; really; extends into the overscan area of
490    // the screen and doesn't account for any system elements like the status bar.
491    int mOverscanScreenLeft, mOverscanScreenTop;
492    int mOverscanScreenWidth, mOverscanScreenHeight;
493    // The current visible size of the screen; really; (ir)regardless of whether the status
494    // bar can be hidden but not extending into the overscan area.
495    int mUnrestrictedScreenLeft, mUnrestrictedScreenTop;
496    int mUnrestrictedScreenWidth, mUnrestrictedScreenHeight;
497    // Like mOverscanScreen*, but allowed to move into the overscan region where appropriate.
498    int mRestrictedOverscanScreenLeft, mRestrictedOverscanScreenTop;
499    int mRestrictedOverscanScreenWidth, mRestrictedOverscanScreenHeight;
500    // The current size of the screen; these may be different than (0,0)-(dw,dh)
501    // if the status bar can't be hidden; in that case it effectively carves out
502    // that area of the display from all other windows.
503    int mRestrictedScreenLeft, mRestrictedScreenTop;
504    int mRestrictedScreenWidth, mRestrictedScreenHeight;
505    // During layout, the current screen borders accounting for any currently
506    // visible system UI elements.
507    int mSystemLeft, mSystemTop, mSystemRight, mSystemBottom;
508    // For applications requesting stable content insets, these are them.
509    int mStableLeft, mStableTop, mStableRight, mStableBottom;
510    // For applications requesting stable content insets but have also set the
511    // fullscreen window flag, these are the stable dimensions without the status bar.
512    int mStableFullscreenLeft, mStableFullscreenTop;
513    int mStableFullscreenRight, mStableFullscreenBottom;
514    // During layout, the current screen borders with all outer decoration
515    // (status bar, input method dock) accounted for.
516    int mCurLeft, mCurTop, mCurRight, mCurBottom;
517    // During layout, the frame in which content should be displayed
518    // to the user, accounting for all screen decoration except for any
519    // space they deem as available for other content.  This is usually
520    // the same as mCur*, but may be larger if the screen decor has supplied
521    // content insets.
522    int mContentLeft, mContentTop, mContentRight, mContentBottom;
523    // During layout, the frame in which voice content should be displayed
524    // to the user, accounting for all screen decoration except for any
525    // space they deem as available for other content.
526    int mVoiceContentLeft, mVoiceContentTop, mVoiceContentRight, mVoiceContentBottom;
527    // During layout, the current screen borders along which input method
528    // windows are placed.
529    int mDockLeft, mDockTop, mDockRight, mDockBottom;
530    // During layout, the layer at which the doc window is placed.
531    int mDockLayer;
532    // During layout, this is the layer of the status bar.
533    int mStatusBarLayer;
534    int mLastSystemUiFlags;
535    // Bits that we are in the process of clearing, so we want to prevent
536    // them from being set by applications until everything has been updated
537    // to have them clear.
538    int mResettingSystemUiFlags = 0;
539    // Bits that we are currently always keeping cleared.
540    int mForceClearedSystemUiFlags = 0;
541    int mLastFullscreenStackSysUiFlags;
542    int mLastDockedStackSysUiFlags;
543    final Rect mNonDockedStackBounds = new Rect();
544    final Rect mDockedStackBounds = new Rect();
545    final Rect mLastNonDockedStackBounds = new Rect();
546    final Rect mLastDockedStackBounds = new Rect();
547
548    // What we last reported to system UI about whether the compatibility
549    // menu needs to be displayed.
550    boolean mLastFocusNeedsMenu = false;
551    // If nonzero, a panic gesture was performed at that time in uptime millis and is still pending.
552    private long mPendingPanicGestureUptime;
553
554    InputConsumer mInputConsumer = null;
555
556    static final Rect mTmpParentFrame = new Rect();
557    static final Rect mTmpDisplayFrame = new Rect();
558    static final Rect mTmpOverscanFrame = new Rect();
559    static final Rect mTmpContentFrame = new Rect();
560    static final Rect mTmpVisibleFrame = new Rect();
561    static final Rect mTmpDecorFrame = new Rect();
562    static final Rect mTmpStableFrame = new Rect();
563    static final Rect mTmpNavigationFrame = new Rect();
564    static final Rect mTmpOutsetFrame = new Rect();
565    private static final Rect mTmpRect = new Rect();
566
567    WindowState mTopFullscreenOpaqueWindowState;
568    WindowState mTopFullscreenOpaqueOrDimmingWindowState;
569    WindowState mTopDockedOpaqueWindowState;
570    WindowState mTopDockedOpaqueOrDimmingWindowState;
571    HashSet<IApplicationToken> mAppsToBeHidden = new HashSet<IApplicationToken>();
572    HashSet<IApplicationToken> mAppsThatDismissKeyguard = new HashSet<IApplicationToken>();
573    boolean mTopIsFullscreen;
574    boolean mForceStatusBar;
575    boolean mForceStatusBarFromKeyguard;
576    private boolean mForceStatusBarTransparent;
577    int mNavBarOpacityMode = NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED;
578    boolean mHideLockScreen;
579    boolean mForcingShowNavBar;
580    int mForcingShowNavBarLayer;
581
582    // States of keyguard dismiss.
583    private static final int DISMISS_KEYGUARD_NONE = 0; // Keyguard not being dismissed.
584    private static final int DISMISS_KEYGUARD_START = 1; // Keyguard needs to be dismissed.
585    private static final int DISMISS_KEYGUARD_CONTINUE = 2; // Keyguard has been dismissed.
586    int mDismissKeyguard = DISMISS_KEYGUARD_NONE;
587
588    /** The window that is currently dismissing the keyguard. Dismissing the keyguard must only
589     * be done once per window. */
590    private WindowState mWinDismissingKeyguard;
591
592    /** When window is currently dismissing the keyguard, dismissing the keyguard must handle
593     * the keygaurd secure state change instantly case, e.g. the use case of inserting a PIN
594     * lock SIM card. This variable is used to record the previous keyguard secure state for
595     * monitoring secure state change on window dismissing keyguard. */
596    private boolean mSecureDismissingKeyguard;
597
598    /** The window that is currently showing "over" the keyguard. If there is an app window
599     * belonging to another app on top of this the keyguard shows. If there is a fullscreen
600     * app window under this, still dismiss the keyguard but don't show the app underneath. Show
601     * the wallpaper. */
602    private WindowState mWinShowWhenLocked;
603
604    boolean mShowingLockscreen;
605    boolean mShowingDream;
606    boolean mDreamingLockscreen;
607    boolean mDreamingSleepTokenNeeded;
608    SleepToken mDreamingSleepToken;
609    SleepToken mScreenOffSleepToken;
610    boolean mKeyguardSecure;
611    boolean mKeyguardSecureIncludingHidden;
612    volatile boolean mKeyguardOccluded;
613    boolean mHomePressed;
614    boolean mHomeConsumed;
615    boolean mHomeDoubleTapPending;
616    Intent mHomeIntent;
617    Intent mCarDockIntent;
618    Intent mDeskDockIntent;
619    boolean mSearchKeyShortcutPending;
620    boolean mConsumeSearchKeyUp;
621    boolean mAssistKeyLongPressed;
622    boolean mPendingMetaAction;
623    boolean mPendingCapsLockToggle;
624    int mMetaState;
625    int mInitialMetaState;
626    boolean mForceShowSystemBars;
627
628    // support for activating the lock screen while the screen is on
629    boolean mAllowLockscreenWhenOn;
630    int mLockScreenTimeout;
631    boolean mLockScreenTimerActive;
632
633    // Behavior of ENDCALL Button.  (See Settings.System.END_BUTTON_BEHAVIOR.)
634    int mEndcallBehavior;
635
636    // Behavior of POWER button while in-call and screen on.
637    // (See Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR.)
638    int mIncallPowerBehavior;
639
640    Display mDisplay;
641
642    private int mDisplayRotation;
643
644    int mLandscapeRotation = 0;  // default landscape rotation
645    int mSeascapeRotation = 0;   // "other" landscape rotation, 180 degrees from mLandscapeRotation
646    int mPortraitRotation = 0;   // default portrait rotation
647    int mUpsideDownRotation = 0; // "other" portrait rotation
648
649    int mOverscanLeft = 0;
650    int mOverscanTop = 0;
651    int mOverscanRight = 0;
652    int mOverscanBottom = 0;
653
654    // What we do when the user long presses on home
655    private int mLongPressOnHomeBehavior;
656
657    // What we do when the user double-taps on home
658    private int mDoubleTapOnHomeBehavior;
659
660    // Allowed theater mode wake actions
661    private boolean mAllowTheaterModeWakeFromKey;
662    private boolean mAllowTheaterModeWakeFromPowerKey;
663    private boolean mAllowTheaterModeWakeFromMotion;
664    private boolean mAllowTheaterModeWakeFromMotionWhenNotDreaming;
665    private boolean mAllowTheaterModeWakeFromCameraLens;
666    private boolean mAllowTheaterModeWakeFromLidSwitch;
667    private boolean mAllowTheaterModeWakeFromWakeGesture;
668
669    // Whether to support long press from power button in non-interactive mode
670    private boolean mSupportLongPressPowerWhenNonInteractive;
671
672    // Whether to go to sleep entering theater mode from power button
673    private boolean mGoToSleepOnButtonPressTheaterMode;
674
675    // Screenshot trigger states
676    // Time to volume and power must be pressed within this interval of each other.
677    private static final long SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS = 150;
678    // Increase the chord delay when taking a screenshot from the keyguard
679    private static final float KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER = 2.5f;
680    private boolean mScreenshotChordEnabled;
681    private boolean mScreenshotChordVolumeDownKeyTriggered;
682    private long mScreenshotChordVolumeDownKeyTime;
683    private boolean mScreenshotChordVolumeDownKeyConsumed;
684    private boolean mScreenshotChordVolumeUpKeyTriggered;
685    private boolean mScreenshotChordPowerKeyTriggered;
686    private long mScreenshotChordPowerKeyTime;
687
688    /* The number of steps between min and max brightness */
689    private static final int BRIGHTNESS_STEPS = 10;
690
691    SettingsObserver mSettingsObserver;
692    ShortcutManager mShortcutManager;
693    PowerManager.WakeLock mBroadcastWakeLock;
694    PowerManager.WakeLock mPowerKeyWakeLock;
695    boolean mHavePendingMediaKeyRepeatWithWakeLock;
696
697    private int mCurrentUserId;
698
699    // Maps global key codes to the components that will handle them.
700    private GlobalKeyManager mGlobalKeyManager;
701
702    // Fallback actions by key code.
703    private final SparseArray<KeyCharacterMap.FallbackAction> mFallbackActions =
704            new SparseArray<KeyCharacterMap.FallbackAction>();
705
706    private final LogDecelerateInterpolator mLogDecelerateInterpolator
707            = new LogDecelerateInterpolator(100, 0);
708
709    private final MutableBoolean mTmpBoolean = new MutableBoolean(false);
710
711    private static final int MSG_ENABLE_POINTER_LOCATION = 1;
712    private static final int MSG_DISABLE_POINTER_LOCATION = 2;
713    private static final int MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK = 3;
714    private static final int MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK = 4;
715    private static final int MSG_KEYGUARD_DRAWN_COMPLETE = 5;
716    private static final int MSG_KEYGUARD_DRAWN_TIMEOUT = 6;
717    private static final int MSG_WINDOW_MANAGER_DRAWN_COMPLETE = 7;
718    private static final int MSG_DISPATCH_SHOW_RECENTS = 9;
719    private static final int MSG_DISPATCH_SHOW_GLOBAL_ACTIONS = 10;
720    private static final int MSG_HIDE_BOOT_MESSAGE = 11;
721    private static final int MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK = 12;
722    private static final int MSG_POWER_DELAYED_PRESS = 13;
723    private static final int MSG_POWER_LONG_PRESS = 14;
724    private static final int MSG_UPDATE_DREAMING_SLEEP_TOKEN = 15;
725    private static final int MSG_REQUEST_TRANSIENT_BARS = 16;
726    private static final int MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU = 17;
727    private static final int MSG_BACK_LONG_PRESS = 18;
728    private static final int MSG_DISPOSE_INPUT_CONSUMER = 19;
729
730    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS = 0;
731    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION = 1;
732
733    private class PolicyHandler extends Handler {
734        @Override
735        public void handleMessage(Message msg) {
736            switch (msg.what) {
737                case MSG_ENABLE_POINTER_LOCATION:
738                    enablePointerLocation();
739                    break;
740                case MSG_DISABLE_POINTER_LOCATION:
741                    disablePointerLocation();
742                    break;
743                case MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK:
744                    dispatchMediaKeyWithWakeLock((KeyEvent)msg.obj);
745                    break;
746                case MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK:
747                    dispatchMediaKeyRepeatWithWakeLock((KeyEvent)msg.obj);
748                    break;
749                case MSG_DISPATCH_SHOW_RECENTS:
750                    showRecentApps(false, msg.arg1 != 0);
751                    break;
752                case MSG_DISPATCH_SHOW_GLOBAL_ACTIONS:
753                    showGlobalActionsInternal();
754                    break;
755                case MSG_KEYGUARD_DRAWN_COMPLETE:
756                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mKeyguardDrawComplete");
757                    finishKeyguardDrawn();
758                    break;
759                case MSG_KEYGUARD_DRAWN_TIMEOUT:
760                    Slog.w(TAG, "Keyguard drawn timeout. Setting mKeyguardDrawComplete");
761                    finishKeyguardDrawn();
762                    break;
763                case MSG_WINDOW_MANAGER_DRAWN_COMPLETE:
764                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mWindowManagerDrawComplete");
765                    finishWindowsDrawn();
766                    break;
767                case MSG_HIDE_BOOT_MESSAGE:
768                    handleHideBootMessage();
769                    break;
770                case MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK:
771                    launchVoiceAssistWithWakeLock(msg.arg1 != 0);
772                    break;
773                case MSG_POWER_DELAYED_PRESS:
774                    powerPress((Long)msg.obj, msg.arg1 != 0, msg.arg2);
775                    finishPowerKeyPress();
776                    break;
777                case MSG_POWER_LONG_PRESS:
778                    powerLongPress();
779                    break;
780                case MSG_UPDATE_DREAMING_SLEEP_TOKEN:
781                    updateDreamingSleepToken(msg.arg1 != 0);
782                    break;
783                case MSG_REQUEST_TRANSIENT_BARS:
784                    WindowState targetBar = (msg.arg1 == MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS) ?
785                            mStatusBar : mNavigationBar;
786                    if (targetBar != null) {
787                        requestTransientBars(targetBar);
788                    }
789                    break;
790                case MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU:
791                    showTvPictureInPictureMenuInternal();
792                    break;
793                case MSG_BACK_LONG_PRESS:
794                    backLongPress();
795                    break;
796                case MSG_DISPOSE_INPUT_CONSUMER:
797                    disposeInputConsumer((InputConsumer) msg.obj);
798                    break;
799            }
800        }
801    }
802
803    private UEventObserver mHDMIObserver = new UEventObserver() {
804        @Override
805        public void onUEvent(UEventObserver.UEvent event) {
806            setHdmiPlugged("1".equals(event.get("SWITCH_STATE")));
807        }
808    };
809
810    class SettingsObserver extends ContentObserver {
811        SettingsObserver(Handler handler) {
812            super(handler);
813        }
814
815        void observe() {
816            // Observe all users' changes
817            ContentResolver resolver = mContext.getContentResolver();
818            resolver.registerContentObserver(Settings.System.getUriFor(
819                    Settings.System.END_BUTTON_BEHAVIOR), false, this,
820                    UserHandle.USER_ALL);
821            resolver.registerContentObserver(Settings.Secure.getUriFor(
822                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR), false, this,
823                    UserHandle.USER_ALL);
824            resolver.registerContentObserver(Settings.Secure.getUriFor(
825                    Settings.Secure.WAKE_GESTURE_ENABLED), false, this,
826                    UserHandle.USER_ALL);
827            resolver.registerContentObserver(Settings.System.getUriFor(
828                    Settings.System.ACCELEROMETER_ROTATION), false, this,
829                    UserHandle.USER_ALL);
830            resolver.registerContentObserver(Settings.System.getUriFor(
831                    Settings.System.USER_ROTATION), false, this,
832                    UserHandle.USER_ALL);
833            resolver.registerContentObserver(Settings.System.getUriFor(
834                    Settings.System.SCREEN_OFF_TIMEOUT), false, this,
835                    UserHandle.USER_ALL);
836            resolver.registerContentObserver(Settings.System.getUriFor(
837                    Settings.System.POINTER_LOCATION), false, this,
838                    UserHandle.USER_ALL);
839            resolver.registerContentObserver(Settings.Secure.getUriFor(
840                    Settings.Secure.DEFAULT_INPUT_METHOD), false, this,
841                    UserHandle.USER_ALL);
842            resolver.registerContentObserver(Settings.Secure.getUriFor(
843                    Settings.Secure.IMMERSIVE_MODE_CONFIRMATIONS), false, this,
844                    UserHandle.USER_ALL);
845            resolver.registerContentObserver(Settings.Global.getUriFor(
846                    Settings.Global.POLICY_CONTROL), false, this,
847                    UserHandle.USER_ALL);
848            updateSettings();
849        }
850
851        @Override public void onChange(boolean selfChange) {
852            updateSettings();
853            updateRotation(false);
854        }
855    }
856
857    class MyWakeGestureListener extends WakeGestureListener {
858        MyWakeGestureListener(Context context, Handler handler) {
859            super(context, handler);
860        }
861
862        @Override
863        public void onWakeUp() {
864            synchronized (mLock) {
865                if (shouldEnableWakeGestureLp()) {
866                    performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
867                    wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromWakeGesture,
868                            "android.policy:GESTURE");
869                }
870            }
871        }
872    }
873
874    class MyOrientationListener extends WindowOrientationListener {
875        private final Runnable mUpdateRotationRunnable = new Runnable() {
876            @Override
877            public void run() {
878                // send interaction hint to improve redraw performance
879                mPowerManagerInternal.powerHint(PowerManagerInternal.POWER_HINT_INTERACTION, 0);
880                updateRotation(false);
881            }
882        };
883
884        MyOrientationListener(Context context, Handler handler) {
885            super(context, handler);
886        }
887
888        @Override
889        public void onProposedRotationChanged(int rotation) {
890            if (localLOGV) Slog.v(TAG, "onProposedRotationChanged, rotation=" + rotation);
891            mHandler.post(mUpdateRotationRunnable);
892        }
893    }
894    MyOrientationListener mOrientationListener;
895
896    private final StatusBarController mStatusBarController = new StatusBarController();
897
898    private final BarController mNavigationBarController = new BarController("NavigationBar",
899            View.NAVIGATION_BAR_TRANSIENT,
900            View.NAVIGATION_BAR_UNHIDE,
901            View.NAVIGATION_BAR_TRANSLUCENT,
902            StatusBarManager.WINDOW_NAVIGATION_BAR,
903            WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION,
904            View.NAVIGATION_BAR_TRANSPARENT);
905
906    private ImmersiveModeConfirmation mImmersiveModeConfirmation;
907
908    private SystemGesturesPointerEventListener mSystemGestures;
909
910    IStatusBarService getStatusBarService() {
911        synchronized (mServiceAquireLock) {
912            if (mStatusBarService == null) {
913                mStatusBarService = IStatusBarService.Stub.asInterface(
914                        ServiceManager.getService("statusbar"));
915            }
916            return mStatusBarService;
917        }
918    }
919
920    StatusBarManagerInternal getStatusBarManagerInternal() {
921        synchronized (mServiceAquireLock) {
922            if (mStatusBarManagerInternal == null) {
923                mStatusBarManagerInternal =
924                        LocalServices.getService(StatusBarManagerInternal.class);
925            }
926            return mStatusBarManagerInternal;
927        }
928    }
929
930    /*
931     * We always let the sensor be switched on by default except when
932     * the user has explicitly disabled sensor based rotation or when the
933     * screen is switched off.
934     */
935    boolean needSensorRunningLp() {
936        if (mSupportAutoRotation) {
937            if (mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
938                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
939                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT
940                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE) {
941                // If the application has explicitly requested to follow the
942                // orientation, then we need to turn the sensor on.
943                return true;
944            }
945        }
946        if ((mCarDockEnablesAccelerometer && mDockMode == Intent.EXTRA_DOCK_STATE_CAR) ||
947                (mDeskDockEnablesAccelerometer && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
948                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
949                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK))) {
950            // enable accelerometer if we are docked in a dock that enables accelerometer
951            // orientation management,
952            return true;
953        }
954        if (mUserRotationMode == USER_ROTATION_LOCKED) {
955            // If the setting for using the sensor by default is enabled, then
956            // we will always leave it on.  Note that the user could go to
957            // a window that forces an orientation that does not use the
958            // sensor and in theory we could turn it off... however, when next
959            // turning it on we won't have a good value for the current
960            // orientation for a little bit, which can cause orientation
961            // changes to lag, so we'd like to keep it always on.  (It will
962            // still be turned off when the screen is off.)
963            return false;
964        }
965        return mSupportAutoRotation;
966    }
967
968    /*
969     * Various use cases for invoking this function
970     * screen turning off, should always disable listeners if already enabled
971     * screen turned on and current app has sensor based orientation, enable listeners
972     * if not already enabled
973     * screen turned on and current app does not have sensor orientation, disable listeners if
974     * already enabled
975     * screen turning on and current app has sensor based orientation, enable listeners if needed
976     * screen turning on and current app has nosensor based orientation, do nothing
977     */
978    void updateOrientationListenerLp() {
979        if (!mOrientationListener.canDetectOrientation()) {
980            // If sensor is turned off or nonexistent for some reason
981            return;
982        }
983        // Could have been invoked due to screen turning on or off or
984        // change of the currently visible window's orientation.
985        if (localLOGV) Slog.v(TAG, "mScreenOnEarly=" + mScreenOnEarly
986                + ", mAwake=" + mAwake + ", mCurrentAppOrientation=" + mCurrentAppOrientation
987                + ", mOrientationSensorEnabled=" + mOrientationSensorEnabled
988                + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
989                + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
990        boolean disable = true;
991        // Note: We postpone the rotating of the screen until the keyguard as well as the
992        // window manager have reported a draw complete.
993        if (mScreenOnEarly && mAwake &&
994                mKeyguardDrawComplete && mWindowManagerDrawComplete) {
995            if (needSensorRunningLp()) {
996                disable = false;
997                //enable listener if not already enabled
998                if (!mOrientationSensorEnabled) {
999                    mOrientationListener.enable();
1000                    if(localLOGV) Slog.v(TAG, "Enabling listeners");
1001                    mOrientationSensorEnabled = true;
1002                }
1003            }
1004        }
1005        //check if sensors need to be disabled
1006        if (disable && mOrientationSensorEnabled) {
1007            mOrientationListener.disable();
1008            if(localLOGV) Slog.v(TAG, "Disabling listeners");
1009            mOrientationSensorEnabled = false;
1010        }
1011    }
1012
1013    private void interceptPowerKeyDown(KeyEvent event, boolean interactive) {
1014        // Hold a wake lock until the power key is released.
1015        if (!mPowerKeyWakeLock.isHeld()) {
1016            mPowerKeyWakeLock.acquire();
1017        }
1018
1019        // Cancel multi-press detection timeout.
1020        if (mPowerKeyPressCounter != 0) {
1021            mHandler.removeMessages(MSG_POWER_DELAYED_PRESS);
1022        }
1023
1024        // Detect user pressing the power button in panic when an application has
1025        // taken over the whole screen.
1026        boolean panic = mImmersiveModeConfirmation.onPowerKeyDown(interactive,
1027                SystemClock.elapsedRealtime(), isImmersiveMode(mLastSystemUiFlags),
1028                isNavBarEmpty(mLastSystemUiFlags));
1029        if (panic) {
1030            mHandler.post(mHiddenNavPanic);
1031        }
1032
1033        // Latch power key state to detect screenshot chord.
1034        if (interactive && !mScreenshotChordPowerKeyTriggered
1035                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
1036            mScreenshotChordPowerKeyTriggered = true;
1037            mScreenshotChordPowerKeyTime = event.getDownTime();
1038            interceptScreenshotChord();
1039        }
1040
1041        // Stop ringing or end call if configured to do so when power is pressed.
1042        TelecomManager telecomManager = getTelecommService();
1043        boolean hungUp = false;
1044        if (telecomManager != null) {
1045            if (telecomManager.isRinging()) {
1046                // Pressing Power while there's a ringing incoming
1047                // call should silence the ringer.
1048                telecomManager.silenceRinger();
1049            } else if ((mIncallPowerBehavior
1050                    & Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP) != 0
1051                    && telecomManager.isInCall() && interactive) {
1052                // Otherwise, if "Power button ends call" is enabled,
1053                // the Power button will hang up any current active call.
1054                hungUp = telecomManager.endCall();
1055            }
1056        }
1057
1058        GestureLauncherService gestureService = LocalServices.getService(
1059                GestureLauncherService.class);
1060        boolean gesturedServiceIntercepted = false;
1061        if (gestureService != null) {
1062            gesturedServiceIntercepted = gestureService.interceptPowerKeyDown(event, interactive,
1063                    mTmpBoolean);
1064            if (mTmpBoolean.value && mGoingToSleep) {
1065                mCameraGestureTriggeredDuringGoingToSleep = true;
1066            }
1067        }
1068
1069        // If the power key has still not yet been handled, then detect short
1070        // press, long press, or multi press and decide what to do.
1071        mPowerKeyHandled = hungUp || mScreenshotChordVolumeDownKeyTriggered
1072                || mScreenshotChordVolumeUpKeyTriggered || gesturedServiceIntercepted;
1073        if (!mPowerKeyHandled) {
1074            if (interactive) {
1075                // When interactive, we're already awake.
1076                // Wait for a long press or for the button to be released to decide what to do.
1077                if (hasLongPressOnPowerBehavior()) {
1078                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
1079                    msg.setAsynchronous(true);
1080                    mHandler.sendMessageDelayed(msg,
1081                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1082                }
1083            } else {
1084                wakeUpFromPowerKey(event.getDownTime());
1085
1086                if (mSupportLongPressPowerWhenNonInteractive && hasLongPressOnPowerBehavior()) {
1087                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
1088                    msg.setAsynchronous(true);
1089                    mHandler.sendMessageDelayed(msg,
1090                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1091                    mBeganFromNonInteractive = true;
1092                } else {
1093                    final int maxCount = getMaxMultiPressPowerCount();
1094
1095                    if (maxCount <= 1) {
1096                        mPowerKeyHandled = true;
1097                    } else {
1098                        mBeganFromNonInteractive = true;
1099                    }
1100                }
1101            }
1102        }
1103    }
1104
1105    private void interceptPowerKeyUp(KeyEvent event, boolean interactive, boolean canceled) {
1106        final boolean handled = canceled || mPowerKeyHandled;
1107        mScreenshotChordPowerKeyTriggered = false;
1108        cancelPendingScreenshotChordAction();
1109        cancelPendingPowerKeyAction();
1110
1111        if (!handled) {
1112            // Figure out how to handle the key now that it has been released.
1113            mPowerKeyPressCounter += 1;
1114
1115            final int maxCount = getMaxMultiPressPowerCount();
1116            final long eventTime = event.getDownTime();
1117            if (mPowerKeyPressCounter < maxCount) {
1118                // This could be a multi-press.  Wait a little bit longer to confirm.
1119                // Continue holding the wake lock.
1120                Message msg = mHandler.obtainMessage(MSG_POWER_DELAYED_PRESS,
1121                        interactive ? 1 : 0, mPowerKeyPressCounter, eventTime);
1122                msg.setAsynchronous(true);
1123                mHandler.sendMessageDelayed(msg, ViewConfiguration.getDoubleTapTimeout());
1124                return;
1125            }
1126
1127            // No other actions.  Handle it immediately.
1128            powerPress(eventTime, interactive, mPowerKeyPressCounter);
1129        }
1130
1131        // Done.  Reset our state.
1132        finishPowerKeyPress();
1133    }
1134
1135    private void finishPowerKeyPress() {
1136        mBeganFromNonInteractive = false;
1137        mPowerKeyPressCounter = 0;
1138        if (mPowerKeyWakeLock.isHeld()) {
1139            mPowerKeyWakeLock.release();
1140        }
1141    }
1142
1143    private void cancelPendingPowerKeyAction() {
1144        if (!mPowerKeyHandled) {
1145            mPowerKeyHandled = true;
1146            mHandler.removeMessages(MSG_POWER_LONG_PRESS);
1147        }
1148    }
1149
1150    private void cancelPendingBackKeyAction() {
1151        if (!mBackKeyHandled) {
1152            mBackKeyHandled = true;
1153            mHandler.removeMessages(MSG_BACK_LONG_PRESS);
1154        }
1155    }
1156
1157    private void powerPress(long eventTime, boolean interactive, int count) {
1158        if (mScreenOnEarly && !mScreenOnFully) {
1159            Slog.i(TAG, "Suppressed redundant power key press while "
1160                    + "already in the process of turning the screen on.");
1161            return;
1162        }
1163
1164        if (count == 2) {
1165            powerMultiPressAction(eventTime, interactive, mDoublePressOnPowerBehavior);
1166        } else if (count == 3) {
1167            powerMultiPressAction(eventTime, interactive, mTriplePressOnPowerBehavior);
1168        } else if (interactive && !mBeganFromNonInteractive) {
1169            switch (mShortPressOnPowerBehavior) {
1170                case SHORT_PRESS_POWER_NOTHING:
1171                    break;
1172                case SHORT_PRESS_POWER_GO_TO_SLEEP:
1173                    mPowerManager.goToSleep(eventTime,
1174                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1175                    break;
1176                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP:
1177                    mPowerManager.goToSleep(eventTime,
1178                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1179                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1180                    break;
1181                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME:
1182                    mPowerManager.goToSleep(eventTime,
1183                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1184                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1185                    launchHomeFromHotKey();
1186                    break;
1187                case SHORT_PRESS_POWER_GO_HOME:
1188                    launchHomeFromHotKey(true /* awakenFromDreams */, false /*respectKeyguard*/);
1189                    break;
1190            }
1191        }
1192    }
1193
1194    private void powerMultiPressAction(long eventTime, boolean interactive, int behavior) {
1195        switch (behavior) {
1196            case MULTI_PRESS_POWER_NOTHING:
1197                break;
1198            case MULTI_PRESS_POWER_THEATER_MODE:
1199                if (!isUserSetupComplete()) {
1200                    Slog.i(TAG, "Ignoring toggling theater mode - device not setup.");
1201                    break;
1202                }
1203
1204                if (isTheaterModeEnabled()) {
1205                    Slog.i(TAG, "Toggling theater mode off.");
1206                    Settings.Global.putInt(mContext.getContentResolver(),
1207                            Settings.Global.THEATER_MODE_ON, 0);
1208                    if (!interactive) {
1209                        wakeUpFromPowerKey(eventTime);
1210                    }
1211                } else {
1212                    Slog.i(TAG, "Toggling theater mode on.");
1213                    Settings.Global.putInt(mContext.getContentResolver(),
1214                            Settings.Global.THEATER_MODE_ON, 1);
1215
1216                    if (mGoToSleepOnButtonPressTheaterMode && interactive) {
1217                        mPowerManager.goToSleep(eventTime,
1218                                PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1219                    }
1220                }
1221                break;
1222            case MULTI_PRESS_POWER_BRIGHTNESS_BOOST:
1223                Slog.i(TAG, "Starting brightness boost.");
1224                if (!interactive) {
1225                    wakeUpFromPowerKey(eventTime);
1226                }
1227                mPowerManager.boostScreenBrightness(eventTime);
1228                break;
1229        }
1230    }
1231
1232    private int getMaxMultiPressPowerCount() {
1233        if (mTriplePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1234            return 3;
1235        }
1236        if (mDoublePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1237            return 2;
1238        }
1239        return 1;
1240    }
1241
1242    private void powerLongPress() {
1243        final int behavior = getResolvedLongPressOnPowerBehavior();
1244        switch (behavior) {
1245        case LONG_PRESS_POWER_NOTHING:
1246            break;
1247        case LONG_PRESS_POWER_GLOBAL_ACTIONS:
1248            mPowerKeyHandled = true;
1249            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1250                performAuditoryFeedbackForAccessibilityIfNeed();
1251            }
1252            showGlobalActionsInternal();
1253            break;
1254        case LONG_PRESS_POWER_SHUT_OFF:
1255        case LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM:
1256            mPowerKeyHandled = true;
1257            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1258            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1259            mWindowManagerFuncs.shutdown(behavior == LONG_PRESS_POWER_SHUT_OFF);
1260            break;
1261        }
1262    }
1263
1264    private void backLongPress() {
1265        mBackKeyHandled = true;
1266
1267        switch (mLongPressOnBackBehavior) {
1268            case LONG_PRESS_BACK_NOTHING:
1269                break;
1270            case LONG_PRESS_BACK_GO_TO_VOICE_ASSIST:
1271                Intent intent = new Intent(Intent.ACTION_VOICE_ASSIST);
1272                startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
1273                break;
1274        }
1275    }
1276
1277    private void disposeInputConsumer(InputConsumer inputConsumer) {
1278        if (inputConsumer != null) {
1279            inputConsumer.dismiss();
1280        }
1281    }
1282
1283    private void sleepPress(long eventTime) {
1284        if (mShortPressOnSleepBehavior == SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME) {
1285            launchHomeFromHotKey(false /* awakenDreams */, true /*respectKeyguard*/);
1286        }
1287    }
1288
1289    private void sleepRelease(long eventTime) {
1290        switch (mShortPressOnSleepBehavior) {
1291            case SHORT_PRESS_SLEEP_GO_TO_SLEEP:
1292            case SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME:
1293                Slog.i(TAG, "sleepRelease() calling goToSleep(GO_TO_SLEEP_REASON_SLEEP_BUTTON)");
1294                mPowerManager.goToSleep(eventTime,
1295                       PowerManager.GO_TO_SLEEP_REASON_SLEEP_BUTTON, 0);
1296                break;
1297        }
1298    }
1299
1300    private int getResolvedLongPressOnPowerBehavior() {
1301        if (FactoryTest.isLongPressOnPowerOffEnabled()) {
1302            return LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;
1303        }
1304        return mLongPressOnPowerBehavior;
1305    }
1306
1307    private boolean hasLongPressOnPowerBehavior() {
1308        return getResolvedLongPressOnPowerBehavior() != LONG_PRESS_POWER_NOTHING;
1309    }
1310
1311    private boolean hasLongPressOnBackBehavior() {
1312        return mLongPressOnBackBehavior != LONG_PRESS_BACK_NOTHING;
1313    }
1314
1315    private void interceptScreenshotChord() {
1316        if (mScreenshotChordEnabled
1317                && mScreenshotChordVolumeDownKeyTriggered && mScreenshotChordPowerKeyTriggered
1318                && !mScreenshotChordVolumeUpKeyTriggered) {
1319            final long now = SystemClock.uptimeMillis();
1320            if (now <= mScreenshotChordVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS
1321                    && now <= mScreenshotChordPowerKeyTime
1322                            + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS) {
1323                mScreenshotChordVolumeDownKeyConsumed = true;
1324                cancelPendingPowerKeyAction();
1325                mScreenshotRunnable.setScreenshotType(TAKE_SCREENSHOT_FULLSCREEN);
1326                mHandler.postDelayed(mScreenshotRunnable, getScreenshotChordLongPressDelay());
1327            }
1328        }
1329    }
1330
1331    private long getScreenshotChordLongPressDelay() {
1332        if (mKeyguardDelegate.isShowing()) {
1333            // Double the time it takes to take a screenshot from the keyguard
1334            return (long) (KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER *
1335                    ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1336        }
1337        return ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout();
1338    }
1339
1340    private void cancelPendingScreenshotChordAction() {
1341        mHandler.removeCallbacks(mScreenshotRunnable);
1342    }
1343
1344    private final Runnable mEndCallLongPress = new Runnable() {
1345        @Override
1346        public void run() {
1347            mEndCallKeyHandled = true;
1348            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1349                performAuditoryFeedbackForAccessibilityIfNeed();
1350            }
1351            showGlobalActionsInternal();
1352        }
1353    };
1354
1355    private class ScreenshotRunnable implements Runnable {
1356        private int mScreenshotType = TAKE_SCREENSHOT_FULLSCREEN;
1357
1358        public void setScreenshotType(int screenshotType) {
1359            mScreenshotType = screenshotType;
1360        }
1361
1362        @Override
1363        public void run() {
1364            takeScreenshot(mScreenshotType);
1365        }
1366    }
1367
1368    private final ScreenshotRunnable mScreenshotRunnable = new ScreenshotRunnable();
1369
1370    @Override
1371    public void showGlobalActions() {
1372        mHandler.removeMessages(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1373        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1374    }
1375
1376    void showGlobalActionsInternal() {
1377        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1378        if (mGlobalActions == null) {
1379            mGlobalActions = new GlobalActions(mContext, mWindowManagerFuncs);
1380        }
1381        final boolean keyguardShowing = isKeyguardShowingAndNotOccluded();
1382        mGlobalActions.showDialog(keyguardShowing, isDeviceProvisioned());
1383        if (keyguardShowing) {
1384            // since it took two seconds of long press to bring this up,
1385            // poke the wake lock so they have some time to see the dialog.
1386            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
1387        }
1388    }
1389
1390    boolean isDeviceProvisioned() {
1391        return Settings.Global.getInt(
1392                mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0;
1393    }
1394
1395    boolean isUserSetupComplete() {
1396        return Settings.Secure.getIntForUser(mContext.getContentResolver(),
1397                Settings.Secure.USER_SETUP_COMPLETE, 0, UserHandle.USER_CURRENT) != 0;
1398    }
1399
1400    private void handleShortPressOnHome() {
1401        // Turn on the connected TV and switch HDMI input if we're a HDMI playback device.
1402        getHdmiControl().turnOnTv();
1403
1404        // If there's a dream running then use home to escape the dream
1405        // but don't actually go home.
1406        if (mDreamManagerInternal != null && mDreamManagerInternal.isDreaming()) {
1407            mDreamManagerInternal.stopDream(false /*immediate*/);
1408            return;
1409        }
1410
1411        // Go home!
1412        launchHomeFromHotKey();
1413    }
1414
1415    /**
1416     * Creates an accessor to HDMI control service that performs the operation of
1417     * turning on TV (optional) and switching input to us. If HDMI control service
1418     * is not available or we're not a HDMI playback device, the operation is no-op.
1419     */
1420    private HdmiControl getHdmiControl() {
1421        if (null == mHdmiControl) {
1422            HdmiControlManager manager = (HdmiControlManager) mContext.getSystemService(
1423                        Context.HDMI_CONTROL_SERVICE);
1424            HdmiPlaybackClient client = null;
1425            if (manager != null) {
1426                client = manager.getPlaybackClient();
1427            }
1428            mHdmiControl = new HdmiControl(client);
1429        }
1430        return mHdmiControl;
1431    }
1432
1433    private static class HdmiControl {
1434        private final HdmiPlaybackClient mClient;
1435
1436        private HdmiControl(HdmiPlaybackClient client) {
1437            mClient = client;
1438        }
1439
1440        public void turnOnTv() {
1441            if (mClient == null) {
1442                return;
1443            }
1444            mClient.oneTouchPlay(new OneTouchPlayCallback() {
1445                @Override
1446                public void onComplete(int result) {
1447                    if (result != HdmiControlManager.RESULT_SUCCESS) {
1448                        Log.w(TAG, "One touch play failed: " + result);
1449                    }
1450                }
1451            });
1452        }
1453    }
1454
1455    private void handleLongPressOnHome(int deviceId) {
1456        if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_NOTHING) {
1457            return;
1458        }
1459        mHomeConsumed = true;
1460        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1461
1462        switch (mLongPressOnHomeBehavior) {
1463            case LONG_PRESS_HOME_RECENT_SYSTEM_UI:
1464                toggleRecentApps();
1465                break;
1466            case LONG_PRESS_HOME_ASSIST:
1467                launchAssistAction(null, deviceId);
1468                break;
1469            default:
1470                Log.w(TAG, "Undefined home long press behavior: " + mLongPressOnHomeBehavior);
1471                break;
1472        }
1473    }
1474
1475    private void handleDoubleTapOnHome() {
1476        if (mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1477            mHomeConsumed = true;
1478            toggleRecentApps();
1479        }
1480    }
1481
1482    private void showTvPictureInPictureMenu(KeyEvent event) {
1483        if (DEBUG_INPUT) Log.d(TAG, "showTvPictureInPictureMenu event=" + event);
1484        mHandler.removeMessages(MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU);
1485        Message msg = mHandler.obtainMessage(MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU);
1486        msg.setAsynchronous(true);
1487        msg.sendToTarget();
1488    }
1489
1490    private void showTvPictureInPictureMenuInternal() {
1491        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
1492        if (statusbar != null) {
1493            statusbar.showTvPictureInPictureMenu();
1494        }
1495    }
1496
1497    private final Runnable mHomeDoubleTapTimeoutRunnable = new Runnable() {
1498        @Override
1499        public void run() {
1500            if (mHomeDoubleTapPending) {
1501                mHomeDoubleTapPending = false;
1502                handleShortPressOnHome();
1503            }
1504        }
1505    };
1506
1507    private boolean isRoundWindow() {
1508        return mContext.getResources().getConfiguration().isScreenRound();
1509    }
1510
1511    /** {@inheritDoc} */
1512    @Override
1513    public void init(Context context, IWindowManager windowManager,
1514            WindowManagerFuncs windowManagerFuncs) {
1515        mContext = context;
1516        mWindowManager = windowManager;
1517        mWindowManagerFuncs = windowManagerFuncs;
1518        mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class);
1519        mActivityManagerInternal = LocalServices.getService(ActivityManagerInternal.class);
1520        mInputManagerInternal = LocalServices.getService(InputManagerInternal.class);
1521        mDreamManagerInternal = LocalServices.getService(DreamManagerInternal.class);
1522        mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class);
1523        mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
1524        mHasFeatureWatch = mContext.getPackageManager().hasSystemFeature(FEATURE_WATCH);
1525
1526        // Init display burn-in protection
1527        boolean burnInProtectionEnabled = context.getResources().getBoolean(
1528                com.android.internal.R.bool.config_enableBurnInProtection);
1529        // Allow a system property to override this. Used by developer settings.
1530        boolean burnInProtectionDevMode =
1531                SystemProperties.getBoolean("persist.debug.force_burn_in", false);
1532        if (burnInProtectionEnabled || burnInProtectionDevMode) {
1533            final int minHorizontal;
1534            final int maxHorizontal;
1535            final int minVertical;
1536            final int maxVertical;
1537            final int maxRadius;
1538            if (burnInProtectionDevMode) {
1539                minHorizontal = -8;
1540                maxHorizontal = 8;
1541                minVertical = -8;
1542                maxVertical = -4;
1543                maxRadius = (isRoundWindow()) ? 6 : -1;
1544            } else {
1545                Resources resources = context.getResources();
1546                minHorizontal = resources.getInteger(
1547                        com.android.internal.R.integer.config_burnInProtectionMinHorizontalOffset);
1548                maxHorizontal = resources.getInteger(
1549                        com.android.internal.R.integer.config_burnInProtectionMaxHorizontalOffset);
1550                minVertical = resources.getInteger(
1551                        com.android.internal.R.integer.config_burnInProtectionMinVerticalOffset);
1552                maxVertical = resources.getInteger(
1553                        com.android.internal.R.integer.config_burnInProtectionMaxVerticalOffset);
1554                maxRadius = resources.getInteger(
1555                        com.android.internal.R.integer.config_burnInProtectionMaxRadius);
1556            }
1557            mBurnInProtectionHelper = new BurnInProtectionHelper(
1558                    context, minHorizontal, maxHorizontal, minVertical, maxVertical, maxRadius);
1559        }
1560
1561        mHandler = new PolicyHandler();
1562        mWakeGestureListener = new MyWakeGestureListener(mContext, mHandler);
1563        mOrientationListener = new MyOrientationListener(mContext, mHandler);
1564        try {
1565            mOrientationListener.setCurrentRotation(windowManager.getRotation());
1566        } catch (RemoteException ex) { }
1567        mSettingsObserver = new SettingsObserver(mHandler);
1568        mSettingsObserver.observe();
1569        mShortcutManager = new ShortcutManager(context);
1570        mUiMode = context.getResources().getInteger(
1571                com.android.internal.R.integer.config_defaultUiModeType);
1572        mHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
1573        mHomeIntent.addCategory(Intent.CATEGORY_HOME);
1574        mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1575                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1576        mEnableCarDockHomeCapture = context.getResources().getBoolean(
1577                com.android.internal.R.bool.config_enableCarDockHomeLaunch);
1578        mCarDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1579        mCarDockIntent.addCategory(Intent.CATEGORY_CAR_DOCK);
1580        mCarDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1581                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1582        mDeskDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1583        mDeskDockIntent.addCategory(Intent.CATEGORY_DESK_DOCK);
1584        mDeskDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1585                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1586
1587        mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
1588        mBroadcastWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1589                "PhoneWindowManager.mBroadcastWakeLock");
1590        mPowerKeyWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1591                "PhoneWindowManager.mPowerKeyWakeLock");
1592        mEnableShiftMenuBugReports = "1".equals(SystemProperties.get("ro.debuggable"));
1593        mSupportAutoRotation = mContext.getResources().getBoolean(
1594                com.android.internal.R.bool.config_supportAutoRotation);
1595        mLidOpenRotation = readRotation(
1596                com.android.internal.R.integer.config_lidOpenRotation);
1597        mCarDockRotation = readRotation(
1598                com.android.internal.R.integer.config_carDockRotation);
1599        mDeskDockRotation = readRotation(
1600                com.android.internal.R.integer.config_deskDockRotation);
1601        mUndockedHdmiRotation = readRotation(
1602                com.android.internal.R.integer.config_undockedHdmiRotation);
1603        mCarDockEnablesAccelerometer = mContext.getResources().getBoolean(
1604                com.android.internal.R.bool.config_carDockEnablesAccelerometer);
1605        mDeskDockEnablesAccelerometer = mContext.getResources().getBoolean(
1606                com.android.internal.R.bool.config_deskDockEnablesAccelerometer);
1607        mLidKeyboardAccessibility = mContext.getResources().getInteger(
1608                com.android.internal.R.integer.config_lidKeyboardAccessibility);
1609        mLidNavigationAccessibility = mContext.getResources().getInteger(
1610                com.android.internal.R.integer.config_lidNavigationAccessibility);
1611        mLidControlsScreenLock = mContext.getResources().getBoolean(
1612                com.android.internal.R.bool.config_lidControlsScreenLock);
1613        mLidControlsSleep = mContext.getResources().getBoolean(
1614                com.android.internal.R.bool.config_lidControlsSleep);
1615        mTranslucentDecorEnabled = mContext.getResources().getBoolean(
1616                com.android.internal.R.bool.config_enableTranslucentDecor);
1617
1618        mAllowTheaterModeWakeFromKey = mContext.getResources().getBoolean(
1619                com.android.internal.R.bool.config_allowTheaterModeWakeFromKey);
1620        mAllowTheaterModeWakeFromPowerKey = mAllowTheaterModeWakeFromKey
1621                || mContext.getResources().getBoolean(
1622                    com.android.internal.R.bool.config_allowTheaterModeWakeFromPowerKey);
1623        mAllowTheaterModeWakeFromMotion = mContext.getResources().getBoolean(
1624                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotion);
1625        mAllowTheaterModeWakeFromMotionWhenNotDreaming = mContext.getResources().getBoolean(
1626                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotionWhenNotDreaming);
1627        mAllowTheaterModeWakeFromCameraLens = mContext.getResources().getBoolean(
1628                com.android.internal.R.bool.config_allowTheaterModeWakeFromCameraLens);
1629        mAllowTheaterModeWakeFromLidSwitch = mContext.getResources().getBoolean(
1630                com.android.internal.R.bool.config_allowTheaterModeWakeFromLidSwitch);
1631        mAllowTheaterModeWakeFromWakeGesture = mContext.getResources().getBoolean(
1632                com.android.internal.R.bool.config_allowTheaterModeWakeFromGesture);
1633
1634        mGoToSleepOnButtonPressTheaterMode = mContext.getResources().getBoolean(
1635                com.android.internal.R.bool.config_goToSleepOnButtonPressTheaterMode);
1636
1637        mSupportLongPressPowerWhenNonInteractive = mContext.getResources().getBoolean(
1638                com.android.internal.R.bool.config_supportLongPressPowerWhenNonInteractive);
1639
1640        mLongPressOnBackBehavior = mContext.getResources().getInteger(
1641                com.android.internal.R.integer.config_longPressOnBackBehavior);
1642
1643        mShortPressOnPowerBehavior = mContext.getResources().getInteger(
1644                com.android.internal.R.integer.config_shortPressOnPowerBehavior);
1645        mLongPressOnPowerBehavior = mContext.getResources().getInteger(
1646                com.android.internal.R.integer.config_longPressOnPowerBehavior);
1647        mDoublePressOnPowerBehavior = mContext.getResources().getInteger(
1648                com.android.internal.R.integer.config_doublePressOnPowerBehavior);
1649        mTriplePressOnPowerBehavior = mContext.getResources().getInteger(
1650                com.android.internal.R.integer.config_triplePressOnPowerBehavior);
1651        mShortPressOnSleepBehavior = mContext.getResources().getInteger(
1652                com.android.internal.R.integer.config_shortPressOnSleepBehavior);
1653
1654        mUseTvRouting = AudioSystem.getPlatformType(mContext) == AudioSystem.PLATFORM_TELEVISION;
1655
1656        readConfigurationDependentBehaviors();
1657
1658        mAccessibilityManager = (AccessibilityManager) context.getSystemService(
1659                Context.ACCESSIBILITY_SERVICE);
1660
1661        // register for dock events
1662        IntentFilter filter = new IntentFilter();
1663        filter.addAction(UiModeManager.ACTION_ENTER_CAR_MODE);
1664        filter.addAction(UiModeManager.ACTION_EXIT_CAR_MODE);
1665        filter.addAction(UiModeManager.ACTION_ENTER_DESK_MODE);
1666        filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
1667        filter.addAction(Intent.ACTION_DOCK_EVENT);
1668        Intent intent = context.registerReceiver(mDockReceiver, filter);
1669        if (intent != null) {
1670            // Retrieve current sticky dock event broadcast.
1671            mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
1672                    Intent.EXTRA_DOCK_STATE_UNDOCKED);
1673        }
1674
1675        // register for dream-related broadcasts
1676        filter = new IntentFilter();
1677        filter.addAction(Intent.ACTION_DREAMING_STARTED);
1678        filter.addAction(Intent.ACTION_DREAMING_STOPPED);
1679        context.registerReceiver(mDreamReceiver, filter);
1680
1681        // register for multiuser-relevant broadcasts
1682        filter = new IntentFilter(Intent.ACTION_USER_SWITCHED);
1683        context.registerReceiver(mMultiuserReceiver, filter);
1684
1685        // monitor for system gestures
1686        mSystemGestures = new SystemGesturesPointerEventListener(context,
1687                new SystemGesturesPointerEventListener.Callbacks() {
1688                    @Override
1689                    public void onSwipeFromTop() {
1690                        if (mStatusBar != null) {
1691                            requestTransientBars(mStatusBar);
1692                        }
1693                    }
1694                    @Override
1695                    public void onSwipeFromBottom() {
1696                        if (mNavigationBar != null && mNavigationBarPosition == NAV_BAR_BOTTOM) {
1697                            requestTransientBars(mNavigationBar);
1698                        }
1699                    }
1700                    @Override
1701                    public void onSwipeFromRight() {
1702                        if (mNavigationBar != null && mNavigationBarPosition == NAV_BAR_RIGHT) {
1703                            requestTransientBars(mNavigationBar);
1704                        }
1705                    }
1706                    @Override
1707                    public void onSwipeFromLeft() {
1708                        if (mNavigationBar != null && mNavigationBarPosition == NAV_BAR_LEFT) {
1709                            requestTransientBars(mNavigationBar);
1710                        }
1711                    }
1712                    @Override
1713                    public void onFling(int duration) {
1714                        if (mPowerManagerInternal != null) {
1715                            mPowerManagerInternal.powerHint(
1716                                    PowerManagerInternal.POWER_HINT_INTERACTION, duration);
1717                        }
1718                    }
1719                    @Override
1720                    public void onDebug() {
1721                        // no-op
1722                    }
1723                    @Override
1724                    public void onDown() {
1725                        mOrientationListener.onTouchStart();
1726                    }
1727                    @Override
1728                    public void onUpOrCancel() {
1729                        mOrientationListener.onTouchEnd();
1730                    }
1731                    @Override
1732                    public void onMouseHoverAtTop() {
1733                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1734                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
1735                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS;
1736                        mHandler.sendMessageDelayed(msg, 500);
1737                    }
1738                    @Override
1739                    public void onMouseHoverAtBottom() {
1740                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1741                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
1742                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION;
1743                        mHandler.sendMessageDelayed(msg, 500);
1744                    }
1745                    @Override
1746                    public void onMouseLeaveFromEdge() {
1747                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1748                    }
1749                });
1750        mImmersiveModeConfirmation = new ImmersiveModeConfirmation(mContext);
1751        mWindowManagerFuncs.registerPointerEventListener(mSystemGestures);
1752
1753        mVibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE);
1754        mLongPressVibePattern = getLongIntArray(mContext.getResources(),
1755                com.android.internal.R.array.config_longPressVibePattern);
1756        mVirtualKeyVibePattern = getLongIntArray(mContext.getResources(),
1757                com.android.internal.R.array.config_virtualKeyVibePattern);
1758        mKeyboardTapVibePattern = getLongIntArray(mContext.getResources(),
1759                com.android.internal.R.array.config_keyboardTapVibePattern);
1760        mClockTickVibePattern = getLongIntArray(mContext.getResources(),
1761                com.android.internal.R.array.config_clockTickVibePattern);
1762        mCalendarDateVibePattern = getLongIntArray(mContext.getResources(),
1763                com.android.internal.R.array.config_calendarDateVibePattern);
1764        mSafeModeDisabledVibePattern = getLongIntArray(mContext.getResources(),
1765                com.android.internal.R.array.config_safeModeDisabledVibePattern);
1766        mSafeModeEnabledVibePattern = getLongIntArray(mContext.getResources(),
1767                com.android.internal.R.array.config_safeModeEnabledVibePattern);
1768        mContextClickVibePattern = getLongIntArray(mContext.getResources(),
1769                com.android.internal.R.array.config_contextClickVibePattern);
1770
1771        mScreenshotChordEnabled = mContext.getResources().getBoolean(
1772                com.android.internal.R.bool.config_enableScreenshotChord);
1773
1774        mGlobalKeyManager = new GlobalKeyManager(mContext);
1775
1776        // Controls rotation and the like.
1777        initializeHdmiState();
1778
1779        // Match current screen state.
1780        if (!mPowerManager.isInteractive()) {
1781            startedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1782            finishedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1783        }
1784
1785        mWindowManagerInternal.registerAppTransitionListener(
1786                mStatusBarController.getAppTransitionListener());
1787    }
1788
1789    /**
1790     * Read values from config.xml that may be overridden depending on
1791     * the configuration of the device.
1792     * eg. Disable long press on home goes to recents on sw600dp.
1793     */
1794    private void readConfigurationDependentBehaviors() {
1795        final Resources res = mContext.getResources();
1796
1797        mLongPressOnHomeBehavior = res.getInteger(
1798                com.android.internal.R.integer.config_longPressOnHomeBehavior);
1799        if (mLongPressOnHomeBehavior < LONG_PRESS_HOME_NOTHING ||
1800                mLongPressOnHomeBehavior > LAST_LONG_PRESS_HOME_BEHAVIOR) {
1801            mLongPressOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1802        }
1803
1804        mDoubleTapOnHomeBehavior = res.getInteger(
1805                com.android.internal.R.integer.config_doubleTapOnHomeBehavior);
1806        if (mDoubleTapOnHomeBehavior < DOUBLE_TAP_HOME_NOTHING ||
1807                mDoubleTapOnHomeBehavior > DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1808            mDoubleTapOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1809        }
1810
1811        mShortPressWindowBehavior = SHORT_PRESS_WINDOW_NOTHING;
1812        if (mContext.getPackageManager().hasSystemFeature(FEATURE_PICTURE_IN_PICTURE)) {
1813            mShortPressWindowBehavior = SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE;
1814        }
1815
1816        mNavBarOpacityMode = res.getInteger(
1817                com.android.internal.R.integer.config_navBarOpacityMode);
1818    }
1819
1820    @Override
1821    public void setInitialDisplaySize(Display display, int width, int height, int density) {
1822        // This method might be called before the policy has been fully initialized
1823        // or for other displays we don't care about.
1824        if (mContext == null || display.getDisplayId() != Display.DEFAULT_DISPLAY) {
1825            return;
1826        }
1827        mDisplay = display;
1828
1829        final Resources res = mContext.getResources();
1830        int shortSize, longSize;
1831        if (width > height) {
1832            shortSize = height;
1833            longSize = width;
1834            mLandscapeRotation = Surface.ROTATION_0;
1835            mSeascapeRotation = Surface.ROTATION_180;
1836            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1837                mPortraitRotation = Surface.ROTATION_90;
1838                mUpsideDownRotation = Surface.ROTATION_270;
1839            } else {
1840                mPortraitRotation = Surface.ROTATION_270;
1841                mUpsideDownRotation = Surface.ROTATION_90;
1842            }
1843        } else {
1844            shortSize = width;
1845            longSize = height;
1846            mPortraitRotation = Surface.ROTATION_0;
1847            mUpsideDownRotation = Surface.ROTATION_180;
1848            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1849                mLandscapeRotation = Surface.ROTATION_270;
1850                mSeascapeRotation = Surface.ROTATION_90;
1851            } else {
1852                mLandscapeRotation = Surface.ROTATION_90;
1853                mSeascapeRotation = Surface.ROTATION_270;
1854            }
1855        }
1856
1857        // SystemUI (status bar) layout policy
1858        int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT / density;
1859        int longSizeDp = longSize * DisplayMetrics.DENSITY_DEFAULT / density;
1860
1861        // Allow the navigation bar to move on non-square small devices (phones).
1862        mNavigationBarCanMove = width != height && shortSizeDp < 600;
1863
1864        mHasNavigationBar = res.getBoolean(com.android.internal.R.bool.config_showNavigationBar);
1865
1866        // Allow a system property to override this. Used by the emulator.
1867        // See also hasNavigationBar().
1868        String navBarOverride = SystemProperties.get("qemu.hw.mainkeys");
1869        if ("1".equals(navBarOverride)) {
1870            mHasNavigationBar = false;
1871        } else if ("0".equals(navBarOverride)) {
1872            mHasNavigationBar = true;
1873        }
1874
1875        // For demo purposes, allow the rotation of the HDMI display to be controlled.
1876        // By default, HDMI locks rotation to landscape.
1877        if ("portrait".equals(SystemProperties.get("persist.demo.hdmirotation"))) {
1878            mDemoHdmiRotation = mPortraitRotation;
1879        } else {
1880            mDemoHdmiRotation = mLandscapeRotation;
1881        }
1882        mDemoHdmiRotationLock = SystemProperties.getBoolean("persist.demo.hdmirotationlock", false);
1883
1884        // For demo purposes, allow the rotation of the remote display to be controlled.
1885        // By default, remote display locks rotation to landscape.
1886        if ("portrait".equals(SystemProperties.get("persist.demo.remoterotation"))) {
1887            mDemoRotation = mPortraitRotation;
1888        } else {
1889            mDemoRotation = mLandscapeRotation;
1890        }
1891        mDemoRotationLock = SystemProperties.getBoolean(
1892                "persist.demo.rotationlock", false);
1893
1894        // Only force the default orientation if the screen is xlarge, at least 960dp x 720dp, per
1895        // http://developer.android.com/guide/practices/screens_support.html#range
1896        mForceDefaultOrientation = longSizeDp >= 960 && shortSizeDp >= 720 &&
1897                res.getBoolean(com.android.internal.R.bool.config_forceDefaultOrientation) &&
1898                // For debug purposes the next line turns this feature off with:
1899                // $ adb shell setprop config.override_forced_orient true
1900                // $ adb shell wm size reset
1901                !"true".equals(SystemProperties.get("config.override_forced_orient"));
1902    }
1903
1904    /**
1905     * @return whether the navigation bar can be hidden, e.g. the device has a
1906     *         navigation bar and touch exploration is not enabled
1907     */
1908    private boolean canHideNavigationBar() {
1909        return mHasNavigationBar;
1910    }
1911
1912    @Override
1913    public boolean isDefaultOrientationForced() {
1914        return mForceDefaultOrientation;
1915    }
1916
1917    @Override
1918    public void setDisplayOverscan(Display display, int left, int top, int right, int bottom) {
1919        if (display.getDisplayId() == Display.DEFAULT_DISPLAY) {
1920            mOverscanLeft = left;
1921            mOverscanTop = top;
1922            mOverscanRight = right;
1923            mOverscanBottom = bottom;
1924        }
1925    }
1926
1927    public void updateSettings() {
1928        ContentResolver resolver = mContext.getContentResolver();
1929        boolean updateRotation = false;
1930        synchronized (mLock) {
1931            mEndcallBehavior = Settings.System.getIntForUser(resolver,
1932                    Settings.System.END_BUTTON_BEHAVIOR,
1933                    Settings.System.END_BUTTON_BEHAVIOR_DEFAULT,
1934                    UserHandle.USER_CURRENT);
1935            mIncallPowerBehavior = Settings.Secure.getIntForUser(resolver,
1936                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
1937                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT,
1938                    UserHandle.USER_CURRENT);
1939
1940            // Configure wake gesture.
1941            boolean wakeGestureEnabledSetting = Settings.Secure.getIntForUser(resolver,
1942                    Settings.Secure.WAKE_GESTURE_ENABLED, 0,
1943                    UserHandle.USER_CURRENT) != 0;
1944            if (mWakeGestureEnabledSetting != wakeGestureEnabledSetting) {
1945                mWakeGestureEnabledSetting = wakeGestureEnabledSetting;
1946                updateWakeGestureListenerLp();
1947            }
1948
1949            // Configure rotation lock.
1950            int userRotation = Settings.System.getIntForUser(resolver,
1951                    Settings.System.USER_ROTATION, Surface.ROTATION_0,
1952                    UserHandle.USER_CURRENT);
1953            if (mUserRotation != userRotation) {
1954                mUserRotation = userRotation;
1955                updateRotation = true;
1956            }
1957            int userRotationMode = Settings.System.getIntForUser(resolver,
1958                    Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
1959                            WindowManagerPolicy.USER_ROTATION_FREE :
1960                                    WindowManagerPolicy.USER_ROTATION_LOCKED;
1961            if (mUserRotationMode != userRotationMode) {
1962                mUserRotationMode = userRotationMode;
1963                updateRotation = true;
1964                updateOrientationListenerLp();
1965            }
1966
1967            if (mSystemReady) {
1968                int pointerLocation = Settings.System.getIntForUser(resolver,
1969                        Settings.System.POINTER_LOCATION, 0, UserHandle.USER_CURRENT);
1970                if (mPointerLocationMode != pointerLocation) {
1971                    mPointerLocationMode = pointerLocation;
1972                    mHandler.sendEmptyMessage(pointerLocation != 0 ?
1973                            MSG_ENABLE_POINTER_LOCATION : MSG_DISABLE_POINTER_LOCATION);
1974                }
1975            }
1976            // use screen off timeout setting as the timeout for the lockscreen
1977            mLockScreenTimeout = Settings.System.getIntForUser(resolver,
1978                    Settings.System.SCREEN_OFF_TIMEOUT, 0, UserHandle.USER_CURRENT);
1979            String imId = Settings.Secure.getStringForUser(resolver,
1980                    Settings.Secure.DEFAULT_INPUT_METHOD, UserHandle.USER_CURRENT);
1981            boolean hasSoftInput = imId != null && imId.length() > 0;
1982            if (mHasSoftInput != hasSoftInput) {
1983                mHasSoftInput = hasSoftInput;
1984                updateRotation = true;
1985            }
1986            if (mImmersiveModeConfirmation != null) {
1987                mImmersiveModeConfirmation.loadSetting(mCurrentUserId);
1988            }
1989        }
1990        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
1991            PolicyControl.reloadFromSetting(mContext);
1992        }
1993        if (updateRotation) {
1994            updateRotation(true);
1995        }
1996    }
1997
1998    private void updateWakeGestureListenerLp() {
1999        if (shouldEnableWakeGestureLp()) {
2000            mWakeGestureListener.requestWakeUpTrigger();
2001        } else {
2002            mWakeGestureListener.cancelWakeUpTrigger();
2003        }
2004    }
2005
2006    private boolean shouldEnableWakeGestureLp() {
2007        return mWakeGestureEnabledSetting && !mAwake
2008                && (!mLidControlsSleep || mLidState != LID_CLOSED)
2009                && mWakeGestureListener.isSupported();
2010    }
2011
2012    private void enablePointerLocation() {
2013        if (mPointerLocationView == null) {
2014            mPointerLocationView = new PointerLocationView(mContext);
2015            mPointerLocationView.setPrintCoords(false);
2016            WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
2017                    WindowManager.LayoutParams.MATCH_PARENT,
2018                    WindowManager.LayoutParams.MATCH_PARENT);
2019            lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
2020            lp.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN
2021                    | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
2022                    | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
2023                    | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
2024            if (ActivityManager.isHighEndGfx()) {
2025                lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
2026                lp.privateFlags |=
2027                        WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED;
2028            }
2029            lp.format = PixelFormat.TRANSLUCENT;
2030            lp.setTitle("PointerLocation");
2031            WindowManager wm = (WindowManager)
2032                    mContext.getSystemService(Context.WINDOW_SERVICE);
2033            lp.inputFeatures |= WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL;
2034            wm.addView(mPointerLocationView, lp);
2035            mWindowManagerFuncs.registerPointerEventListener(mPointerLocationView);
2036        }
2037    }
2038
2039    private void disablePointerLocation() {
2040        if (mPointerLocationView != null) {
2041            mWindowManagerFuncs.unregisterPointerEventListener(mPointerLocationView);
2042            WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
2043            wm.removeView(mPointerLocationView);
2044            mPointerLocationView = null;
2045        }
2046    }
2047
2048    private int readRotation(int resID) {
2049        try {
2050            int rotation = mContext.getResources().getInteger(resID);
2051            switch (rotation) {
2052                case 0:
2053                    return Surface.ROTATION_0;
2054                case 90:
2055                    return Surface.ROTATION_90;
2056                case 180:
2057                    return Surface.ROTATION_180;
2058                case 270:
2059                    return Surface.ROTATION_270;
2060            }
2061        } catch (Resources.NotFoundException e) {
2062            // fall through
2063        }
2064        return -1;
2065    }
2066
2067    /** {@inheritDoc} */
2068    @Override
2069    public int checkAddPermission(WindowManager.LayoutParams attrs, int[] outAppOp) {
2070        int type = attrs.type;
2071
2072        outAppOp[0] = AppOpsManager.OP_NONE;
2073
2074        if (!((type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW)
2075                || (type >= FIRST_SUB_WINDOW && type <= LAST_SUB_WINDOW)
2076                || (type >= FIRST_SYSTEM_WINDOW && type <= LAST_SYSTEM_WINDOW))) {
2077            return WindowManagerGlobal.ADD_INVALID_TYPE;
2078        }
2079
2080        if (type < FIRST_SYSTEM_WINDOW || type > LAST_SYSTEM_WINDOW) {
2081            // Window manager will make sure these are okay.
2082            return WindowManagerGlobal.ADD_OKAY;
2083        }
2084        String permission = null;
2085        switch (type) {
2086            case TYPE_TOAST:
2087                // XXX right now the app process has complete control over
2088                // this...  should introduce a token to let the system
2089                // monitor/control what they are doing.
2090                outAppOp[0] = AppOpsManager.OP_TOAST_WINDOW;
2091                break;
2092            case TYPE_DREAM:
2093            case TYPE_INPUT_METHOD:
2094            case TYPE_WALLPAPER:
2095            case TYPE_PRIVATE_PRESENTATION:
2096            case TYPE_VOICE_INTERACTION:
2097            case TYPE_ACCESSIBILITY_OVERLAY:
2098            case TYPE_QS_DIALOG:
2099                // The window manager will check these.
2100                break;
2101            case TYPE_PHONE:
2102            case TYPE_PRIORITY_PHONE:
2103            case TYPE_SYSTEM_ALERT:
2104            case TYPE_SYSTEM_ERROR:
2105            case TYPE_SYSTEM_OVERLAY:
2106                permission = android.Manifest.permission.SYSTEM_ALERT_WINDOW;
2107                outAppOp[0] = AppOpsManager.OP_SYSTEM_ALERT_WINDOW;
2108                break;
2109            default:
2110                permission = android.Manifest.permission.INTERNAL_SYSTEM_WINDOW;
2111        }
2112        if (permission != null) {
2113            if (android.Manifest.permission.SYSTEM_ALERT_WINDOW.equals(permission)) {
2114                final int callingUid = Binder.getCallingUid();
2115                // system processes will be automatically allowed privilege to draw
2116                if (callingUid == Process.SYSTEM_UID) {
2117                    return WindowManagerGlobal.ADD_OKAY;
2118                }
2119
2120                // check if user has enabled this operation. SecurityException will be thrown if
2121                // this app has not been allowed by the user
2122                final int mode = mAppOpsManager.checkOpNoThrow(outAppOp[0], callingUid,
2123                        attrs.packageName);
2124                switch (mode) {
2125                    case AppOpsManager.MODE_ALLOWED:
2126                    case AppOpsManager.MODE_IGNORED:
2127                        // although we return ADD_OKAY for MODE_IGNORED, the added window will
2128                        // actually be hidden in WindowManagerService
2129                        return WindowManagerGlobal.ADD_OKAY;
2130                    case AppOpsManager.MODE_ERRORED:
2131                        try {
2132                            ApplicationInfo appInfo = mContext.getPackageManager()
2133                                    .getApplicationInfo(attrs.packageName,
2134                                            UserHandle.getUserId(callingUid));
2135                            // Don't crash legacy apps
2136                            if (appInfo.targetSdkVersion < Build.VERSION_CODES.M) {
2137                                return WindowManagerGlobal.ADD_OKAY;
2138                            }
2139                        } catch (PackageManager.NameNotFoundException e) {
2140                            /* ignore */
2141                        }
2142                        return WindowManagerGlobal.ADD_PERMISSION_DENIED;
2143                    default:
2144                        // in the default mode, we will make a decision here based on
2145                        // checkCallingPermission()
2146                        if (mContext.checkCallingPermission(permission) !=
2147                                PackageManager.PERMISSION_GRANTED) {
2148                            return WindowManagerGlobal.ADD_PERMISSION_DENIED;
2149                        } else {
2150                            return WindowManagerGlobal.ADD_OKAY;
2151                        }
2152                }
2153            }
2154
2155            if (mContext.checkCallingOrSelfPermission(permission)
2156                    != PackageManager.PERMISSION_GRANTED) {
2157                return WindowManagerGlobal.ADD_PERMISSION_DENIED;
2158            }
2159        }
2160        return WindowManagerGlobal.ADD_OKAY;
2161    }
2162
2163    @Override
2164    public boolean checkShowToOwnerOnly(WindowManager.LayoutParams attrs) {
2165
2166        // If this switch statement is modified, modify the comment in the declarations of
2167        // the type in {@link WindowManager.LayoutParams} as well.
2168        switch (attrs.type) {
2169            default:
2170                // These are the windows that by default are shown only to the user that created
2171                // them. If this needs to be overridden, set
2172                // {@link WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS} in
2173                // {@link WindowManager.LayoutParams}. Note that permission
2174                // {@link android.Manifest.permission.INTERNAL_SYSTEM_WINDOW} is required as well.
2175                if ((attrs.privateFlags & PRIVATE_FLAG_SHOW_FOR_ALL_USERS) == 0) {
2176                    return true;
2177                }
2178                break;
2179
2180            // These are the windows that by default are shown to all users. However, to
2181            // protect against spoofing, check permissions below.
2182            case TYPE_APPLICATION_STARTING:
2183            case TYPE_BOOT_PROGRESS:
2184            case TYPE_DISPLAY_OVERLAY:
2185            case TYPE_INPUT_CONSUMER:
2186            case TYPE_KEYGUARD_SCRIM:
2187            case TYPE_KEYGUARD_DIALOG:
2188            case TYPE_MAGNIFICATION_OVERLAY:
2189            case TYPE_NAVIGATION_BAR:
2190            case TYPE_NAVIGATION_BAR_PANEL:
2191            case TYPE_PHONE:
2192            case TYPE_POINTER:
2193            case TYPE_PRIORITY_PHONE:
2194            case TYPE_SEARCH_BAR:
2195            case TYPE_STATUS_BAR:
2196            case TYPE_STATUS_BAR_PANEL:
2197            case TYPE_STATUS_BAR_SUB_PANEL:
2198            case TYPE_SYSTEM_DIALOG:
2199            case TYPE_VOLUME_OVERLAY:
2200            case TYPE_PRIVATE_PRESENTATION:
2201            case TYPE_DOCK_DIVIDER:
2202                break;
2203        }
2204
2205        // Check if third party app has set window to system window type.
2206        return mContext.checkCallingOrSelfPermission(
2207                android.Manifest.permission.INTERNAL_SYSTEM_WINDOW)
2208                        != PackageManager.PERMISSION_GRANTED;
2209    }
2210
2211    @Override
2212    public void adjustWindowParamsLw(WindowManager.LayoutParams attrs) {
2213        switch (attrs.type) {
2214            case TYPE_SYSTEM_OVERLAY:
2215            case TYPE_SECURE_SYSTEM_OVERLAY:
2216                // These types of windows can't receive input events.
2217                attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
2218                        | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
2219                attrs.flags &= ~WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
2220                break;
2221            case TYPE_STATUS_BAR:
2222
2223                // If the Keyguard is in a hidden state (occluded by another window), we force to
2224                // remove the wallpaper and keyguard flag so that any change in-flight after setting
2225                // the keyguard as occluded wouldn't set these flags again.
2226                // See {@link #processKeyguardSetHiddenResultLw}.
2227                if (mKeyguardHidden) {
2228                    attrs.flags &= ~WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
2229                    attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2230                }
2231                break;
2232        }
2233
2234        if (attrs.type != TYPE_STATUS_BAR) {
2235            // The status bar is the only window allowed to exhibit keyguard behavior.
2236            attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2237        }
2238
2239        if (ActivityManager.isHighEndGfx()) {
2240            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0) {
2241                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
2242            }
2243            final boolean forceWindowDrawsStatusBarBackground =
2244                    (attrs.privateFlags & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND)
2245                            != 0;
2246            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0
2247                    || forceWindowDrawsStatusBarBackground
2248                            && attrs.height == MATCH_PARENT && attrs.width == MATCH_PARENT) {
2249                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
2250            }
2251        }
2252    }
2253
2254    void readLidState() {
2255        mLidState = mWindowManagerFuncs.getLidState();
2256    }
2257
2258    private void readCameraLensCoverState() {
2259        mCameraLensCoverState = mWindowManagerFuncs.getCameraLensCoverState();
2260    }
2261
2262    private boolean isHidden(int accessibilityMode) {
2263        switch (accessibilityMode) {
2264            case 1:
2265                return mLidState == LID_CLOSED;
2266            case 2:
2267                return mLidState == LID_OPEN;
2268            default:
2269                return false;
2270        }
2271    }
2272
2273    /** {@inheritDoc} */
2274    @Override
2275    public void adjustConfigurationLw(Configuration config, int keyboardPresence,
2276            int navigationPresence) {
2277        mHaveBuiltInKeyboard = (keyboardPresence & PRESENCE_INTERNAL) != 0;
2278
2279        readConfigurationDependentBehaviors();
2280        readLidState();
2281
2282        if (config.keyboard == Configuration.KEYBOARD_NOKEYS
2283                || (keyboardPresence == PRESENCE_INTERNAL
2284                        && isHidden(mLidKeyboardAccessibility))) {
2285            config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_YES;
2286            if (!mHasSoftInput) {
2287                config.keyboardHidden = Configuration.KEYBOARDHIDDEN_YES;
2288            }
2289        }
2290
2291        if (config.navigation == Configuration.NAVIGATION_NONAV
2292                || (navigationPresence == PRESENCE_INTERNAL
2293                        && isHidden(mLidNavigationAccessibility))) {
2294            config.navigationHidden = Configuration.NAVIGATIONHIDDEN_YES;
2295        }
2296    }
2297
2298    @Override
2299    public void onConfigurationChanged() {
2300        final Resources res = mContext.getResources();
2301
2302        mStatusBarHeight =
2303                res.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
2304
2305        // Height of the navigation bar when presented horizontally at bottom
2306        mNavigationBarHeightForRotationDefault[mPortraitRotation] =
2307        mNavigationBarHeightForRotationDefault[mUpsideDownRotation] =
2308                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_height);
2309        mNavigationBarHeightForRotationDefault[mLandscapeRotation] =
2310        mNavigationBarHeightForRotationDefault[mSeascapeRotation] = res.getDimensionPixelSize(
2311                com.android.internal.R.dimen.navigation_bar_height_landscape);
2312
2313        // Width of the navigation bar when presented vertically along one side
2314        mNavigationBarWidthForRotationDefault[mPortraitRotation] =
2315        mNavigationBarWidthForRotationDefault[mUpsideDownRotation] =
2316        mNavigationBarWidthForRotationDefault[mLandscapeRotation] =
2317        mNavigationBarWidthForRotationDefault[mSeascapeRotation] =
2318                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_width);
2319
2320        // Height of the navigation bar when presented horizontally at bottom
2321        mNavigationBarHeightForRotationInCarMode[mPortraitRotation] =
2322        mNavigationBarHeightForRotationInCarMode[mUpsideDownRotation] =
2323                res.getDimensionPixelSize(
2324                        com.android.internal.R.dimen.navigation_bar_height_car_mode);
2325        mNavigationBarHeightForRotationInCarMode[mLandscapeRotation] =
2326        mNavigationBarHeightForRotationInCarMode[mSeascapeRotation] = res.getDimensionPixelSize(
2327                com.android.internal.R.dimen.navigation_bar_height_landscape_car_mode);
2328
2329        // Width of the navigation bar when presented vertically along one side
2330        mNavigationBarWidthForRotationInCarMode[mPortraitRotation] =
2331        mNavigationBarWidthForRotationInCarMode[mUpsideDownRotation] =
2332        mNavigationBarWidthForRotationInCarMode[mLandscapeRotation] =
2333        mNavigationBarWidthForRotationInCarMode[mSeascapeRotation] =
2334                res.getDimensionPixelSize(
2335                        com.android.internal.R.dimen.navigation_bar_width_car_mode);
2336    }
2337
2338    /** {@inheritDoc} */
2339    @Override
2340    public int windowTypeToLayerLw(int type) {
2341        if (type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW) {
2342            return 2;
2343        }
2344        switch (type) {
2345        case TYPE_PRIVATE_PRESENTATION:
2346            return 2;
2347        case TYPE_WALLPAPER:
2348            // wallpaper is at the bottom, though the window manager may move it.
2349            return 2;
2350        case TYPE_DOCK_DIVIDER:
2351            return 2;
2352        case TYPE_QS_DIALOG:
2353            return 2;
2354        case TYPE_PHONE:
2355            return 3;
2356        case TYPE_SEARCH_BAR:
2357        case TYPE_VOICE_INTERACTION_STARTING:
2358            return 4;
2359        case TYPE_VOICE_INTERACTION:
2360            // voice interaction layer is almost immediately above apps.
2361            return 5;
2362        case TYPE_INPUT_CONSUMER:
2363            return 6;
2364        case TYPE_SYSTEM_DIALOG:
2365            return 7;
2366        case TYPE_TOAST:
2367            // toasts and the plugged-in battery thing
2368            return 8;
2369        case TYPE_PRIORITY_PHONE:
2370            // SIM errors and unlock.  Not sure if this really should be in a high layer.
2371            return 9;
2372        case TYPE_DREAM:
2373            // used for Dreams (screensavers with TYPE_DREAM windows)
2374            return 10;
2375        case TYPE_SYSTEM_ALERT:
2376            // like the ANR / app crashed dialogs
2377            return 11;
2378        case TYPE_INPUT_METHOD:
2379            // on-screen keyboards and other such input method user interfaces go here.
2380            return 12;
2381        case TYPE_INPUT_METHOD_DIALOG:
2382            // on-screen keyboards and other such input method user interfaces go here.
2383            return 13;
2384        case TYPE_KEYGUARD_SCRIM:
2385            // the safety window that shows behind keyguard while keyguard is starting
2386            return 14;
2387        case TYPE_STATUS_BAR_SUB_PANEL:
2388            return 15;
2389        case TYPE_STATUS_BAR:
2390            return 16;
2391        case TYPE_STATUS_BAR_PANEL:
2392            return 17;
2393        case TYPE_KEYGUARD_DIALOG:
2394            return 18;
2395        case TYPE_VOLUME_OVERLAY:
2396            // the on-screen volume indicator and controller shown when the user
2397            // changes the device volume
2398            return 19;
2399        case TYPE_SYSTEM_OVERLAY:
2400            // the on-screen volume indicator and controller shown when the user
2401            // changes the device volume
2402            return 20;
2403        case TYPE_NAVIGATION_BAR:
2404            // the navigation bar, if available, shows atop most things
2405            return 21;
2406        case TYPE_NAVIGATION_BAR_PANEL:
2407            // some panels (e.g. search) need to show on top of the navigation bar
2408            return 22;
2409        case TYPE_SCREENSHOT:
2410            // screenshot selection layer shouldn't go above system error, but it should cover
2411            // navigation bars at the very least.
2412            return 23;
2413        case TYPE_SYSTEM_ERROR:
2414            // system-level error dialogs
2415            return 24;
2416        case TYPE_MAGNIFICATION_OVERLAY:
2417            // used to highlight the magnified portion of a display
2418            return 25;
2419        case TYPE_DISPLAY_OVERLAY:
2420            // used to simulate secondary display devices
2421            return 26;
2422        case TYPE_DRAG:
2423            // the drag layer: input for drag-and-drop is associated with this window,
2424            // which sits above all other focusable windows
2425            return 27;
2426        case TYPE_ACCESSIBILITY_OVERLAY:
2427            // overlay put by accessibility services to intercept user interaction
2428            return 28;
2429        case TYPE_SECURE_SYSTEM_OVERLAY:
2430            return 29;
2431        case TYPE_BOOT_PROGRESS:
2432            return 30;
2433        case TYPE_POINTER:
2434            // the (mouse) pointer layer
2435            return 31;
2436        }
2437        Log.e(TAG, "Unknown window type: " + type);
2438        return 2;
2439    }
2440
2441    /** {@inheritDoc} */
2442    @Override
2443    public int subWindowTypeToLayerLw(int type) {
2444        switch (type) {
2445        case TYPE_APPLICATION_PANEL:
2446        case TYPE_APPLICATION_ATTACHED_DIALOG:
2447            return APPLICATION_PANEL_SUBLAYER;
2448        case TYPE_APPLICATION_MEDIA:
2449            return APPLICATION_MEDIA_SUBLAYER;
2450        case TYPE_APPLICATION_MEDIA_OVERLAY:
2451            return APPLICATION_MEDIA_OVERLAY_SUBLAYER;
2452        case TYPE_APPLICATION_SUB_PANEL:
2453            return APPLICATION_SUB_PANEL_SUBLAYER;
2454        case TYPE_APPLICATION_ABOVE_SUB_PANEL:
2455            return APPLICATION_ABOVE_SUB_PANEL_SUBLAYER;
2456        }
2457        Log.e(TAG, "Unknown sub-window type: " + type);
2458        return 0;
2459    }
2460
2461    @Override
2462    public int getMaxWallpaperLayer() {
2463        return windowTypeToLayerLw(TYPE_STATUS_BAR);
2464    }
2465
2466    private int getNavigationBarWidth(int rotation, int uiMode) {
2467        if ((uiMode & UI_MODE_TYPE_MASK) == UI_MODE_TYPE_CAR) {
2468            return mNavigationBarWidthForRotationInCarMode[rotation];
2469        } else {
2470            return mNavigationBarWidthForRotationDefault[rotation];
2471        }
2472    }
2473
2474    @Override
2475    public int getNonDecorDisplayWidth(int fullWidth, int fullHeight, int rotation,
2476            int uiMode) {
2477        if (mHasNavigationBar) {
2478            // For a basic navigation bar, when we are in landscape mode we place
2479            // the navigation bar to the side.
2480            if (mNavigationBarCanMove && fullWidth > fullHeight) {
2481                return fullWidth - getNavigationBarWidth(rotation, uiMode);
2482            }
2483        }
2484        return fullWidth;
2485    }
2486
2487    private int getNavigationBarHeight(int rotation, int uiMode) {
2488        if ((uiMode & UI_MODE_TYPE_MASK) == UI_MODE_TYPE_CAR) {
2489            return mNavigationBarHeightForRotationInCarMode[rotation];
2490        } else {
2491            return mNavigationBarHeightForRotationDefault[rotation];
2492        }
2493    }
2494
2495    @Override
2496    public int getNonDecorDisplayHeight(int fullWidth, int fullHeight, int rotation,
2497            int uiMode) {
2498        if (mHasNavigationBar) {
2499            // For a basic navigation bar, when we are in portrait mode we place
2500            // the navigation bar to the bottom.
2501            if (!mNavigationBarCanMove || fullWidth < fullHeight) {
2502                return fullHeight - getNavigationBarHeight(rotation, uiMode);
2503            }
2504        }
2505        return fullHeight;
2506    }
2507
2508    @Override
2509    public int getConfigDisplayWidth(int fullWidth, int fullHeight, int rotation, int uiMode) {
2510        return getNonDecorDisplayWidth(fullWidth, fullHeight, rotation, uiMode);
2511    }
2512
2513    @Override
2514    public int getConfigDisplayHeight(int fullWidth, int fullHeight, int rotation, int uiMode) {
2515        // There is a separate status bar at the top of the display.  We don't count that as part
2516        // of the fixed decor, since it can hide; however, for purposes of configurations,
2517        // we do want to exclude it since applications can't generally use that part
2518        // of the screen.
2519        return getNonDecorDisplayHeight(
2520                fullWidth, fullHeight, rotation, uiMode) - mStatusBarHeight;
2521    }
2522
2523    @Override
2524    public boolean isForceHiding(WindowManager.LayoutParams attrs) {
2525        return (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 ||
2526                (isKeyguardHostWindow(attrs) &&
2527                        (mKeyguardDelegate != null && mKeyguardDelegate.isShowing())) ||
2528                (attrs.type == TYPE_KEYGUARD_SCRIM);
2529    }
2530
2531    @Override
2532    public boolean isKeyguardHostWindow(WindowManager.LayoutParams attrs) {
2533        return attrs.type == TYPE_STATUS_BAR;
2534    }
2535
2536    @Override
2537    public boolean canBeForceHidden(WindowState win, WindowManager.LayoutParams attrs) {
2538        switch (attrs.type) {
2539            case TYPE_STATUS_BAR:
2540            case TYPE_NAVIGATION_BAR:
2541            case TYPE_WALLPAPER:
2542            case TYPE_DREAM:
2543            case TYPE_KEYGUARD_SCRIM:
2544                return false;
2545            default:
2546                // Hide only windows below the keyguard host window.
2547                return windowTypeToLayerLw(win.getBaseType())
2548                        < windowTypeToLayerLw(TYPE_STATUS_BAR);
2549        }
2550    }
2551
2552    @Override
2553    public WindowState getWinShowWhenLockedLw() {
2554        return mWinShowWhenLocked;
2555    }
2556
2557    /** {@inheritDoc} */
2558    @Override
2559    public View addStartingWindow(IBinder appToken, String packageName, int theme,
2560            CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes,
2561            int icon, int logo, int windowFlags, Configuration overrideConfig) {
2562        if (!SHOW_STARTING_ANIMATIONS) {
2563            return null;
2564        }
2565        if (packageName == null) {
2566            return null;
2567        }
2568
2569        WindowManager wm = null;
2570        View view = null;
2571
2572        try {
2573            Context context = mContext;
2574            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow " + packageName
2575                    + ": nonLocalizedLabel=" + nonLocalizedLabel + " theme="
2576                    + Integer.toHexString(theme));
2577            if (theme != context.getThemeResId() || labelRes != 0) {
2578                try {
2579                    context = context.createPackageContext(packageName, 0);
2580                    context.setTheme(theme);
2581                } catch (PackageManager.NameNotFoundException e) {
2582                    // Ignore
2583                }
2584            }
2585
2586            if (overrideConfig != null && overrideConfig != EMPTY) {
2587                if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow: creating context based"
2588                        + " on overrideConfig" + overrideConfig + " for starting window");
2589                final Context overrideContext = context.createConfigurationContext(overrideConfig);
2590                overrideContext.setTheme(theme);
2591                final TypedArray typedArray = overrideContext.obtainStyledAttributes(
2592                        com.android.internal.R.styleable.Window);
2593                final int resId = typedArray.getResourceId(R.styleable.Window_windowBackground, 0);
2594                if (resId != 0 && overrideContext.getDrawable(resId) != null) {
2595                    // We want to use the windowBackground for the override context if it is
2596                    // available, otherwise we use the default one to make sure a themed starting
2597                    // window is displayed for the app.
2598                    if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow: apply overrideConfig"
2599                            + overrideConfig + " to starting window resId=" + resId);
2600                    context = overrideContext;
2601                }
2602            }
2603
2604            final PhoneWindow win = new PhoneWindow(context);
2605            win.setIsStartingWindow(true);
2606
2607            CharSequence label = context.getResources().getText(labelRes, null);
2608            // Only change the accessibility title if the label is localized
2609            if (label != null) {
2610                win.setTitle(label, true);
2611            } else {
2612                win.setTitle(nonLocalizedLabel, false);
2613            }
2614
2615            win.setType(
2616                WindowManager.LayoutParams.TYPE_APPLICATION_STARTING);
2617
2618            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
2619                // Assumes it's safe to show starting windows of launched apps while
2620                // the keyguard is being hidden. This is okay because starting windows never show
2621                // secret information.
2622                if (mKeyguardHidden) {
2623                    windowFlags |= FLAG_SHOW_WHEN_LOCKED;
2624                }
2625            }
2626
2627            // Force the window flags: this is a fake window, so it is not really
2628            // touchable or focusable by the user.  We also add in the ALT_FOCUSABLE_IM
2629            // flag because we do know that the next window will take input
2630            // focus, so we want to get the IME window up on top of us right away.
2631            win.setFlags(
2632                windowFlags|
2633                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2634                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2635                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
2636                windowFlags|
2637                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2638                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2639                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
2640
2641            win.setDefaultIcon(icon);
2642            win.setDefaultLogo(logo);
2643
2644            win.setLayout(WindowManager.LayoutParams.MATCH_PARENT,
2645                    WindowManager.LayoutParams.MATCH_PARENT);
2646
2647            final WindowManager.LayoutParams params = win.getAttributes();
2648            params.token = appToken;
2649            params.packageName = packageName;
2650            params.windowAnimations = win.getWindowStyle().getResourceId(
2651                    com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
2652            params.privateFlags |=
2653                    WindowManager.LayoutParams.PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED;
2654            params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
2655
2656            if (!compatInfo.supportsScreen()) {
2657                params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW;
2658            }
2659
2660            params.setTitle("Starting " + packageName);
2661
2662            wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
2663            view = win.getDecorView();
2664
2665            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "Adding starting window for "
2666                + packageName + " / " + appToken + ": " + (view.getParent() != null ? view : null));
2667
2668            wm.addView(view, params);
2669
2670            // Only return the view if it was successfully added to the
2671            // window manager... which we can tell by it having a parent.
2672            return view.getParent() != null ? view : null;
2673        } catch (WindowManager.BadTokenException e) {
2674            // ignore
2675            Log.w(TAG, appToken + " already running, starting window not displayed. " +
2676                    e.getMessage());
2677        } catch (RuntimeException e) {
2678            // don't crash if something else bad happens, for example a
2679            // failure loading resources because we are loading from an app
2680            // on external storage that has been unmounted.
2681            Log.w(TAG, appToken + " failed creating starting window", e);
2682        } finally {
2683            if (view != null && view.getParent() == null) {
2684                Log.w(TAG, "view not successfully added to wm, removing view");
2685                wm.removeViewImmediate(view);
2686            }
2687        }
2688
2689        return null;
2690    }
2691
2692    /** {@inheritDoc} */
2693    @Override
2694    public void removeStartingWindow(IBinder appToken, View window) {
2695        if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Removing starting window for " + appToken + ": "
2696                + window + " Callers=" + Debug.getCallers(4));
2697
2698        if (window != null) {
2699            WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
2700            wm.removeView(window);
2701        }
2702    }
2703
2704    /**
2705     * Preflight adding a window to the system.
2706     *
2707     * Currently enforces that three window types are singletons:
2708     * <ul>
2709     * <li>STATUS_BAR_TYPE</li>
2710     * <li>KEYGUARD_TYPE</li>
2711     * </ul>
2712     *
2713     * @param win The window to be added
2714     * @param attrs Information about the window to be added
2715     *
2716     * @return If ok, WindowManagerImpl.ADD_OKAY.  If too many singletons,
2717     * WindowManagerImpl.ADD_MULTIPLE_SINGLETON
2718     */
2719    @Override
2720    public int prepareAddWindowLw(WindowState win, WindowManager.LayoutParams attrs) {
2721        switch (attrs.type) {
2722            case TYPE_STATUS_BAR:
2723                mContext.enforceCallingOrSelfPermission(
2724                        android.Manifest.permission.STATUS_BAR_SERVICE,
2725                        "PhoneWindowManager");
2726                if (mStatusBar != null) {
2727                    if (mStatusBar.isAlive()) {
2728                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2729                    }
2730                }
2731                mStatusBar = win;
2732                mStatusBarController.setWindow(win);
2733                break;
2734            case TYPE_NAVIGATION_BAR:
2735                mContext.enforceCallingOrSelfPermission(
2736                        android.Manifest.permission.STATUS_BAR_SERVICE,
2737                        "PhoneWindowManager");
2738                if (mNavigationBar != null) {
2739                    if (mNavigationBar.isAlive()) {
2740                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2741                    }
2742                }
2743                mNavigationBar = win;
2744                mNavigationBarController.setWindow(win);
2745                if (DEBUG_LAYOUT) Slog.i(TAG, "NAVIGATION BAR: " + mNavigationBar);
2746                break;
2747            case TYPE_NAVIGATION_BAR_PANEL:
2748            case TYPE_STATUS_BAR_PANEL:
2749            case TYPE_STATUS_BAR_SUB_PANEL:
2750            case TYPE_VOICE_INTERACTION_STARTING:
2751                mContext.enforceCallingOrSelfPermission(
2752                        android.Manifest.permission.STATUS_BAR_SERVICE,
2753                        "PhoneWindowManager");
2754                break;
2755            case TYPE_KEYGUARD_SCRIM:
2756                if (mKeyguardScrim != null) {
2757                    return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2758                }
2759                mKeyguardScrim = win;
2760                break;
2761        }
2762        return WindowManagerGlobal.ADD_OKAY;
2763    }
2764
2765    /** {@inheritDoc} */
2766    @Override
2767    public void removeWindowLw(WindowState win) {
2768        if (mStatusBar == win) {
2769            mStatusBar = null;
2770            mStatusBarController.setWindow(null);
2771            mKeyguardDelegate.showScrim();
2772        } else if (mKeyguardScrim == win) {
2773            Log.v(TAG, "Removing keyguard scrim");
2774            mKeyguardScrim = null;
2775        } if (mNavigationBar == win) {
2776            mNavigationBar = null;
2777            mNavigationBarController.setWindow(null);
2778        }
2779    }
2780
2781    static final boolean PRINT_ANIM = false;
2782
2783    /** {@inheritDoc} */
2784    @Override
2785    public int selectAnimationLw(WindowState win, int transit) {
2786        if (PRINT_ANIM) Log.i(TAG, "selectAnimation in " + win
2787              + ": transit=" + transit);
2788        if (win == mStatusBar) {
2789            boolean isKeyguard = (win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
2790            if (transit == TRANSIT_EXIT
2791                    || transit == TRANSIT_HIDE) {
2792                return isKeyguard ? -1 : R.anim.dock_top_exit;
2793            } else if (transit == TRANSIT_ENTER
2794                    || transit == TRANSIT_SHOW) {
2795                return isKeyguard ? -1 : R.anim.dock_top_enter;
2796            }
2797        } else if (win == mNavigationBar) {
2798            if (win.getAttrs().windowAnimations != 0) {
2799                return 0;
2800            }
2801            // This can be on either the bottom or the right or the left.
2802            if (mNavigationBarPosition == NAV_BAR_BOTTOM) {
2803                if (transit == TRANSIT_EXIT
2804                        || transit == TRANSIT_HIDE) {
2805                    return R.anim.dock_bottom_exit;
2806                } else if (transit == TRANSIT_ENTER
2807                        || transit == TRANSIT_SHOW) {
2808                    return R.anim.dock_bottom_enter;
2809                }
2810            } else if (mNavigationBarPosition == NAV_BAR_RIGHT) {
2811                if (transit == TRANSIT_EXIT
2812                        || transit == TRANSIT_HIDE) {
2813                    return R.anim.dock_right_exit;
2814                } else if (transit == TRANSIT_ENTER
2815                        || transit == TRANSIT_SHOW) {
2816                    return R.anim.dock_right_enter;
2817                }
2818            } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
2819                if (transit == TRANSIT_EXIT
2820                        || transit == TRANSIT_HIDE) {
2821                    return R.anim.dock_left_exit;
2822                } else if (transit == TRANSIT_ENTER
2823                        || transit == TRANSIT_SHOW) {
2824                    return R.anim.dock_left_enter;
2825                }
2826            }
2827        } else if (win.getAttrs().type == TYPE_DOCK_DIVIDER) {
2828            return selectDockedDividerAnimationLw(win, transit);
2829        }
2830
2831        if (transit == TRANSIT_PREVIEW_DONE) {
2832            if (win.hasAppShownWindows()) {
2833                if (PRINT_ANIM) Log.i(TAG, "**** STARTING EXIT");
2834                return com.android.internal.R.anim.app_starting_exit;
2835            }
2836        } else if (win.getAttrs().type == TYPE_DREAM && mDreamingLockscreen
2837                && transit == TRANSIT_ENTER) {
2838            // Special case: we are animating in a dream, while the keyguard
2839            // is shown.  We don't want an animation on the dream, because
2840            // we need it shown immediately with the keyguard animating away
2841            // to reveal it.
2842            return -1;
2843        }
2844
2845        return 0;
2846    }
2847
2848    private int selectDockedDividerAnimationLw(WindowState win, int transit) {
2849        int insets = mWindowManagerFuncs.getDockedDividerInsetsLw();
2850
2851        // If the divider is behind the navigation bar, don't animate.
2852        final Rect frame = win.getFrameLw();
2853        final boolean behindNavBar = mNavigationBar != null
2854                && ((mNavigationBarPosition == NAV_BAR_BOTTOM
2855                        && frame.top + insets >= mNavigationBar.getFrameLw().top)
2856                || (mNavigationBarPosition == NAV_BAR_RIGHT
2857                        && frame.left + insets >= mNavigationBar.getFrameLw().left)
2858                || (mNavigationBarPosition == NAV_BAR_LEFT
2859                        && frame.right - insets <= mNavigationBar.getFrameLw().right));
2860        final boolean landscape = frame.height() > frame.width();
2861        final boolean offscreenLandscape = landscape && (frame.right - insets <= 0
2862                || frame.left + insets >= win.getDisplayFrameLw().right);
2863        final boolean offscreenPortrait = !landscape && (frame.top - insets <= 0
2864                || frame.bottom + insets >= win.getDisplayFrameLw().bottom);
2865        final boolean offscreen = offscreenLandscape || offscreenPortrait;
2866        if (behindNavBar || offscreen) {
2867            return 0;
2868        }
2869        if (transit == TRANSIT_ENTER || transit == TRANSIT_SHOW) {
2870            return R.anim.fade_in;
2871        } else if (transit == TRANSIT_EXIT) {
2872            return R.anim.fade_out;
2873        } else {
2874            return 0;
2875        }
2876    }
2877
2878    @Override
2879    public void selectRotationAnimationLw(int anim[]) {
2880        if (PRINT_ANIM) Slog.i(TAG, "selectRotationAnimation mTopFullscreen="
2881                + mTopFullscreenOpaqueWindowState + " rotationAnimation="
2882                + (mTopFullscreenOpaqueWindowState == null ?
2883                        "0" : mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation));
2884        if (mTopFullscreenOpaqueWindowState != null) {
2885            int animationHint = mTopFullscreenOpaqueWindowState.getRotationAnimationHint();
2886            if (animationHint < 0 && mTopIsFullscreen) {
2887                animationHint = mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation;
2888            }
2889            switch (animationHint) {
2890                case ROTATION_ANIMATION_CROSSFADE:
2891                    anim[0] = R.anim.rotation_animation_xfade_exit;
2892                    anim[1] = R.anim.rotation_animation_enter;
2893                    break;
2894                case ROTATION_ANIMATION_JUMPCUT:
2895                    anim[0] = R.anim.rotation_animation_jump_exit;
2896                    anim[1] = R.anim.rotation_animation_enter;
2897                    break;
2898                case ROTATION_ANIMATION_ROTATE:
2899                default:
2900                    anim[0] = anim[1] = 0;
2901                    break;
2902            }
2903        } else {
2904            anim[0] = anim[1] = 0;
2905        }
2906    }
2907
2908    @Override
2909    public boolean validateRotationAnimationLw(int exitAnimId, int enterAnimId,
2910            boolean forceDefault) {
2911        switch (exitAnimId) {
2912            case R.anim.rotation_animation_xfade_exit:
2913            case R.anim.rotation_animation_jump_exit:
2914                // These are the only cases that matter.
2915                if (forceDefault) {
2916                    return false;
2917                }
2918                int anim[] = new int[2];
2919                selectRotationAnimationLw(anim);
2920                return (exitAnimId == anim[0] && enterAnimId == anim[1]);
2921            default:
2922                return true;
2923        }
2924    }
2925
2926    @Override
2927    public Animation createForceHideEnterAnimation(boolean onWallpaper,
2928            boolean goingToNotificationShade) {
2929        if (goingToNotificationShade) {
2930            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_behind_enter_fade_in);
2931        }
2932
2933        AnimationSet set = (AnimationSet) AnimationUtils.loadAnimation(mContext, onWallpaper ?
2934                    R.anim.lock_screen_behind_enter_wallpaper :
2935                    R.anim.lock_screen_behind_enter);
2936
2937        // TODO: Use XML interpolators when we have log interpolators available in XML.
2938        final List<Animation> animations = set.getAnimations();
2939        for (int i = animations.size() - 1; i >= 0; --i) {
2940            animations.get(i).setInterpolator(mLogDecelerateInterpolator);
2941        }
2942
2943        return set;
2944    }
2945
2946
2947    @Override
2948    public Animation createForceHideWallpaperExitAnimation(boolean goingToNotificationShade) {
2949        if (goingToNotificationShade) {
2950            return null;
2951        } else {
2952            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_wallpaper_exit);
2953        }
2954    }
2955
2956    private static void awakenDreams() {
2957        IDreamManager dreamManager = getDreamManager();
2958        if (dreamManager != null) {
2959            try {
2960                dreamManager.awaken();
2961            } catch (RemoteException e) {
2962                // fine, stay asleep then
2963            }
2964        }
2965    }
2966
2967    static IDreamManager getDreamManager() {
2968        return IDreamManager.Stub.asInterface(
2969                ServiceManager.checkService(DreamService.DREAM_SERVICE));
2970    }
2971
2972    TelecomManager getTelecommService() {
2973        return (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE);
2974    }
2975
2976    static IAudioService getAudioService() {
2977        IAudioService audioService = IAudioService.Stub.asInterface(
2978                ServiceManager.checkService(Context.AUDIO_SERVICE));
2979        if (audioService == null) {
2980            Log.w(TAG, "Unable to find IAudioService interface.");
2981        }
2982        return audioService;
2983    }
2984
2985    boolean keyguardOn() {
2986        return isKeyguardShowingAndNotOccluded() || inKeyguardRestrictedKeyInputMode();
2987    }
2988
2989    private static final int[] WINDOW_TYPES_WHERE_HOME_DOESNT_WORK = {
2990            WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
2991            WindowManager.LayoutParams.TYPE_SYSTEM_ERROR,
2992        };
2993
2994    /** {@inheritDoc} */
2995    @Override
2996    public long interceptKeyBeforeDispatching(WindowState win, KeyEvent event, int policyFlags) {
2997        final boolean keyguardOn = keyguardOn();
2998        final int keyCode = event.getKeyCode();
2999        final int repeatCount = event.getRepeatCount();
3000        final int metaState = event.getMetaState();
3001        final int flags = event.getFlags();
3002        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
3003        final boolean canceled = event.isCanceled();
3004
3005        if (DEBUG_INPUT) {
3006            Log.d(TAG, "interceptKeyTi keyCode=" + keyCode + " down=" + down + " repeatCount="
3007                    + repeatCount + " keyguardOn=" + keyguardOn + " mHomePressed=" + mHomePressed
3008                    + " canceled=" + canceled);
3009        }
3010
3011        // If we think we might have a volume down & power key chord on the way
3012        // but we're not sure, then tell the dispatcher to wait a little while and
3013        // try again later before dispatching.
3014        if (mScreenshotChordEnabled && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
3015            if (mScreenshotChordVolumeDownKeyTriggered && !mScreenshotChordPowerKeyTriggered) {
3016                final long now = SystemClock.uptimeMillis();
3017                final long timeoutTime = mScreenshotChordVolumeDownKeyTime
3018                        + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
3019                if (now < timeoutTime) {
3020                    return timeoutTime - now;
3021                }
3022            }
3023            if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
3024                    && mScreenshotChordVolumeDownKeyConsumed) {
3025                if (!down) {
3026                    mScreenshotChordVolumeDownKeyConsumed = false;
3027                }
3028                return -1;
3029            }
3030        }
3031
3032        // Cancel any pending meta actions if we see any other keys being pressed between the down
3033        // of the meta key and its corresponding up.
3034        if (mPendingMetaAction && !KeyEvent.isMetaKey(keyCode)) {
3035            mPendingMetaAction = false;
3036        }
3037        // Any key that is not Alt or Meta cancels Caps Lock combo tracking.
3038        if (mPendingCapsLockToggle && !KeyEvent.isMetaKey(keyCode) && !KeyEvent.isAltKey(keyCode)) {
3039            mPendingCapsLockToggle = false;
3040        }
3041
3042        // First we always handle the home key here, so applications
3043        // can never break it, although if keyguard is on, we do let
3044        // it handle it, because that gives us the correct 5 second
3045        // timeout.
3046        if (keyCode == KeyEvent.KEYCODE_HOME) {
3047
3048            // If we have released the home key, and didn't do anything else
3049            // while it was pressed, then it is time to go home!
3050            if (!down) {
3051                cancelPreloadRecentApps();
3052
3053                mHomePressed = false;
3054                if (mHomeConsumed) {
3055                    mHomeConsumed = false;
3056                    return -1;
3057                }
3058
3059                if (canceled) {
3060                    Log.i(TAG, "Ignoring HOME; event canceled.");
3061                    return -1;
3062                }
3063
3064                // Delay handling home if a double-tap is possible.
3065                if (mDoubleTapOnHomeBehavior != DOUBLE_TAP_HOME_NOTHING) {
3066                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable); // just in case
3067                    mHomeDoubleTapPending = true;
3068                    mHandler.postDelayed(mHomeDoubleTapTimeoutRunnable,
3069                            ViewConfiguration.getDoubleTapTimeout());
3070                    return -1;
3071                }
3072
3073                handleShortPressOnHome();
3074                return -1;
3075            }
3076
3077            // If a system window has focus, then it doesn't make sense
3078            // right now to interact with applications.
3079            WindowManager.LayoutParams attrs = win != null ? win.getAttrs() : null;
3080            if (attrs != null) {
3081                final int type = attrs.type;
3082                if (type == WindowManager.LayoutParams.TYPE_KEYGUARD_SCRIM
3083                        || type == WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG
3084                        || (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
3085                    // the "app" is keyguard, so give it the key
3086                    return 0;
3087                }
3088                final int typeCount = WINDOW_TYPES_WHERE_HOME_DOESNT_WORK.length;
3089                for (int i=0; i<typeCount; i++) {
3090                    if (type == WINDOW_TYPES_WHERE_HOME_DOESNT_WORK[i]) {
3091                        // don't do anything, but also don't pass it to the app
3092                        return -1;
3093                    }
3094                }
3095            }
3096
3097            // Remember that home is pressed and handle special actions.
3098            if (repeatCount == 0) {
3099                mHomePressed = true;
3100                if (mHomeDoubleTapPending) {
3101                    mHomeDoubleTapPending = false;
3102                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable);
3103                    handleDoubleTapOnHome();
3104                } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI
3105                        || mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
3106                    preloadRecentApps();
3107                }
3108            } else if ((event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) {
3109                if (!keyguardOn) {
3110                    handleLongPressOnHome(event.getDeviceId());
3111                }
3112            }
3113            return -1;
3114        } else if (keyCode == KeyEvent.KEYCODE_MENU) {
3115            // Hijack modified menu keys for debugging features
3116            final int chordBug = KeyEvent.META_SHIFT_ON;
3117
3118            if (down && repeatCount == 0) {
3119                if (mEnableShiftMenuBugReports && (metaState & chordBug) == chordBug) {
3120                    Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
3121                    mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT,
3122                            null, null, null, 0, null, null);
3123                    return -1;
3124                } else if (SHOW_PROCESSES_ON_ALT_MENU &&
3125                        (metaState & KeyEvent.META_ALT_ON) == KeyEvent.META_ALT_ON) {
3126                    Intent service = new Intent();
3127                    service.setClassName(mContext, "com.android.server.LoadAverageService");
3128                    ContentResolver res = mContext.getContentResolver();
3129                    boolean shown = Settings.Global.getInt(
3130                            res, Settings.Global.SHOW_PROCESSES, 0) != 0;
3131                    if (!shown) {
3132                        mContext.startService(service);
3133                    } else {
3134                        mContext.stopService(service);
3135                    }
3136                    Settings.Global.putInt(
3137                            res, Settings.Global.SHOW_PROCESSES, shown ? 0 : 1);
3138                    return -1;
3139                }
3140            }
3141        } else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
3142            if (down) {
3143                if (repeatCount == 0) {
3144                    mSearchKeyShortcutPending = true;
3145                    mConsumeSearchKeyUp = false;
3146                }
3147            } else {
3148                mSearchKeyShortcutPending = false;
3149                if (mConsumeSearchKeyUp) {
3150                    mConsumeSearchKeyUp = false;
3151                    return -1;
3152                }
3153            }
3154            return 0;
3155        } else if (keyCode == KeyEvent.KEYCODE_APP_SWITCH) {
3156            if (!keyguardOn) {
3157                if (down && repeatCount == 0) {
3158                    preloadRecentApps();
3159                } else if (!down) {
3160                    toggleRecentApps();
3161                }
3162            }
3163            return -1;
3164        } else if (keyCode == KeyEvent.KEYCODE_N && event.isMetaPressed()) {
3165            if (down) {
3166                IStatusBarService service = getStatusBarService();
3167                if (service != null) {
3168                    try {
3169                        service.expandNotificationsPanel();
3170                    } catch (RemoteException e) {
3171                        // do nothing.
3172                    }
3173                }
3174            }
3175        } else if (keyCode == KeyEvent.KEYCODE_S && event.isMetaPressed()
3176                && event.isCtrlPressed()) {
3177            if (down && repeatCount == 0) {
3178                int type = event.isShiftPressed() ? TAKE_SCREENSHOT_SELECTED_REGION
3179                        : TAKE_SCREENSHOT_FULLSCREEN;
3180                mScreenshotRunnable.setScreenshotType(type);
3181                mHandler.post(mScreenshotRunnable);
3182                return -1;
3183            }
3184        } else if (keyCode == KeyEvent.KEYCODE_SLASH && event.isMetaPressed()) {
3185            if (down && repeatCount == 0 && !isKeyguardLocked()) {
3186                toggleKeyboardShortcutsMenu(event.getDeviceId());
3187            }
3188        } else if (keyCode == KeyEvent.KEYCODE_ASSIST) {
3189            if (down) {
3190                if (repeatCount == 0) {
3191                    mAssistKeyLongPressed = false;
3192                } else if (repeatCount == 1) {
3193                    mAssistKeyLongPressed = true;
3194                    if (!keyguardOn) {
3195                         launchAssistLongPressAction();
3196                    }
3197                }
3198            } else {
3199                if (mAssistKeyLongPressed) {
3200                    mAssistKeyLongPressed = false;
3201                } else {
3202                    if (!keyguardOn) {
3203                        launchAssistAction(null, event.getDeviceId());
3204                    }
3205                }
3206            }
3207            return -1;
3208        } else if (keyCode == KeyEvent.KEYCODE_VOICE_ASSIST) {
3209            if (!down) {
3210                Intent voiceIntent;
3211                if (!keyguardOn) {
3212                    voiceIntent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
3213                } else {
3214                    IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
3215                            ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
3216                    if (dic != null) {
3217                        try {
3218                            dic.exitIdle("voice-search");
3219                        } catch (RemoteException e) {
3220                        }
3221                    }
3222                    voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
3223                    voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, true);
3224                }
3225                startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
3226            }
3227        } else if (keyCode == KeyEvent.KEYCODE_SYSRQ) {
3228            if (down && repeatCount == 0) {
3229                mScreenshotRunnable.setScreenshotType(TAKE_SCREENSHOT_FULLSCREEN);
3230                mHandler.post(mScreenshotRunnable);
3231            }
3232            return -1;
3233        } else if (keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP
3234                || keyCode == KeyEvent.KEYCODE_BRIGHTNESS_DOWN) {
3235            if (down) {
3236                int direction = keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP ? 1 : -1;
3237
3238                // Disable autobrightness if it's on
3239                int auto = Settings.System.getIntForUser(
3240                        mContext.getContentResolver(),
3241                        Settings.System.SCREEN_BRIGHTNESS_MODE,
3242                        Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
3243                        UserHandle.USER_CURRENT_OR_SELF);
3244                if (auto != 0) {
3245                    Settings.System.putIntForUser(mContext.getContentResolver(),
3246                            Settings.System.SCREEN_BRIGHTNESS_MODE,
3247                            Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
3248                            UserHandle.USER_CURRENT_OR_SELF);
3249                }
3250
3251                int min = mPowerManager.getMinimumScreenBrightnessSetting();
3252                int max = mPowerManager.getMaximumScreenBrightnessSetting();
3253                int step = (max - min + BRIGHTNESS_STEPS - 1) / BRIGHTNESS_STEPS * direction;
3254                int brightness = Settings.System.getIntForUser(mContext.getContentResolver(),
3255                        Settings.System.SCREEN_BRIGHTNESS,
3256                        mPowerManager.getDefaultScreenBrightnessSetting(),
3257                        UserHandle.USER_CURRENT_OR_SELF);
3258                brightness += step;
3259                // Make sure we don't go beyond the limits.
3260                brightness = Math.min(max, brightness);
3261                brightness = Math.max(min, brightness);
3262
3263                Settings.System.putIntForUser(mContext.getContentResolver(),
3264                        Settings.System.SCREEN_BRIGHTNESS, brightness,
3265                        UserHandle.USER_CURRENT_OR_SELF);
3266                startActivityAsUser(new Intent(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG),
3267                        UserHandle.CURRENT_OR_SELF);
3268            }
3269            return -1;
3270        } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP
3271                || keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
3272                || keyCode == KeyEvent.KEYCODE_VOLUME_MUTE) {
3273            if (mUseTvRouting) {
3274                // On TVs volume keys never go to the foreground app.
3275                dispatchDirectAudioEvent(event);
3276                return -1;
3277            }
3278        }
3279
3280        // Toggle Caps Lock on META-ALT.
3281        boolean actionTriggered = false;
3282        if (KeyEvent.isModifierKey(keyCode)) {
3283            if (!mPendingCapsLockToggle) {
3284                // Start tracking meta state for combo.
3285                mInitialMetaState = mMetaState;
3286                mPendingCapsLockToggle = true;
3287            } else if (event.getAction() == KeyEvent.ACTION_UP) {
3288                int altOnMask = mMetaState & KeyEvent.META_ALT_MASK;
3289                int metaOnMask = mMetaState & KeyEvent.META_META_MASK;
3290
3291                // Check for Caps Lock toggle
3292                if ((metaOnMask != 0) && (altOnMask != 0)) {
3293                    // Check if nothing else is pressed
3294                    if (mInitialMetaState == (mMetaState ^ (altOnMask | metaOnMask))) {
3295                        // Handle Caps Lock Toggle
3296                        mInputManagerInternal.toggleCapsLock(event.getDeviceId());
3297                        actionTriggered = true;
3298                    }
3299                }
3300
3301                // Always stop tracking when key goes up.
3302                mPendingCapsLockToggle = false;
3303            }
3304        }
3305        // Store current meta state to be able to evaluate it later.
3306        mMetaState = metaState;
3307
3308        if (actionTriggered) {
3309            return -1;
3310        }
3311
3312        if (KeyEvent.isMetaKey(keyCode)) {
3313            if (down) {
3314                mPendingMetaAction = true;
3315            } else if (mPendingMetaAction) {
3316                launchAssistAction(Intent.EXTRA_ASSIST_INPUT_HINT_KEYBOARD, event.getDeviceId());
3317            }
3318            return -1;
3319        }
3320
3321        // Shortcuts are invoked through Search+key, so intercept those here
3322        // Any printing key that is chorded with Search should be consumed
3323        // even if no shortcut was invoked.  This prevents text from being
3324        // inadvertently inserted when using a keyboard that has built-in macro
3325        // shortcut keys (that emit Search+x) and some of them are not registered.
3326        if (mSearchKeyShortcutPending) {
3327            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3328            if (kcm.isPrintingKey(keyCode)) {
3329                mConsumeSearchKeyUp = true;
3330                mSearchKeyShortcutPending = false;
3331                if (down && repeatCount == 0 && !keyguardOn) {
3332                    Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState);
3333                    if (shortcutIntent != null) {
3334                        shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3335                        try {
3336                            startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3337                            dismissKeyboardShortcutsMenu();
3338                        } catch (ActivityNotFoundException ex) {
3339                            Slog.w(TAG, "Dropping shortcut key combination because "
3340                                    + "the activity to which it is registered was not found: "
3341                                    + "SEARCH+" + KeyEvent.keyCodeToString(keyCode), ex);
3342                        }
3343                    } else {
3344                        Slog.i(TAG, "Dropping unregistered shortcut key combination: "
3345                                + "SEARCH+" + KeyEvent.keyCodeToString(keyCode));
3346                    }
3347                }
3348                return -1;
3349            }
3350        }
3351
3352        // Invoke shortcuts using Meta.
3353        if (down && repeatCount == 0 && !keyguardOn
3354                && (metaState & KeyEvent.META_META_ON) != 0) {
3355            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3356            if (kcm.isPrintingKey(keyCode)) {
3357                Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode,
3358                        metaState & ~(KeyEvent.META_META_ON
3359                                | KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_RIGHT_ON));
3360                if (shortcutIntent != null) {
3361                    shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3362                    try {
3363                        startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3364                        dismissKeyboardShortcutsMenu();
3365                    } catch (ActivityNotFoundException ex) {
3366                        Slog.w(TAG, "Dropping shortcut key combination because "
3367                                + "the activity to which it is registered was not found: "
3368                                + "META+" + KeyEvent.keyCodeToString(keyCode), ex);
3369                    }
3370                    return -1;
3371                }
3372            }
3373        }
3374
3375        // Handle application launch keys.
3376        if (down && repeatCount == 0 && !keyguardOn) {
3377            String category = sApplicationLaunchKeyCategories.get(keyCode);
3378            if (category != null) {
3379                Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, category);
3380                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3381                try {
3382                    startActivityAsUser(intent, UserHandle.CURRENT);
3383                    dismissKeyboardShortcutsMenu();
3384                } catch (ActivityNotFoundException ex) {
3385                    Slog.w(TAG, "Dropping application launch key because "
3386                            + "the activity to which it is registered was not found: "
3387                            + "keyCode=" + keyCode + ", category=" + category, ex);
3388                }
3389                return -1;
3390            }
3391        }
3392
3393        // Display task switcher for ALT-TAB.
3394        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_TAB) {
3395            if (mRecentAppsHeldModifiers == 0 && !keyguardOn && isUserSetupComplete()) {
3396                final int shiftlessModifiers = event.getModifiers() & ~KeyEvent.META_SHIFT_MASK;
3397                if (KeyEvent.metaStateHasModifiers(shiftlessModifiers, KeyEvent.META_ALT_ON)) {
3398                    mRecentAppsHeldModifiers = shiftlessModifiers;
3399                    showRecentApps(true, false);
3400                    return -1;
3401                }
3402            }
3403        } else if (!down && mRecentAppsHeldModifiers != 0
3404                && (metaState & mRecentAppsHeldModifiers) == 0) {
3405            mRecentAppsHeldModifiers = 0;
3406            hideRecentApps(true, false);
3407        }
3408
3409        // Handle input method switching.
3410        if (down && repeatCount == 0
3411                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3412                        || (keyCode == KeyEvent.KEYCODE_SPACE
3413                                && (metaState & KeyEvent.META_META_MASK) != 0))) {
3414            final boolean forwardDirection = (metaState & KeyEvent.META_SHIFT_MASK) == 0;
3415            mWindowManagerFuncs.switchInputMethod(forwardDirection);
3416            return -1;
3417        }
3418        if (mLanguageSwitchKeyPressed && !down
3419                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3420                        || keyCode == KeyEvent.KEYCODE_SPACE)) {
3421            mLanguageSwitchKeyPressed = false;
3422            return -1;
3423        }
3424
3425        if (isValidGlobalKey(keyCode)
3426                && mGlobalKeyManager.handleGlobalKey(mContext, keyCode, event)) {
3427            return -1;
3428        }
3429
3430        if (down) {
3431            long shortcutCode = keyCode;
3432            if (event.isCtrlPressed()) {
3433                shortcutCode |= ((long) KeyEvent.META_CTRL_ON) << Integer.SIZE;
3434            }
3435
3436            if (event.isAltPressed()) {
3437                shortcutCode |= ((long) KeyEvent.META_ALT_ON) << Integer.SIZE;
3438            }
3439
3440            if (event.isShiftPressed()) {
3441                shortcutCode |= ((long) KeyEvent.META_SHIFT_ON) << Integer.SIZE;
3442            }
3443
3444            if (event.isMetaPressed()) {
3445                shortcutCode |= ((long) KeyEvent.META_META_ON) << Integer.SIZE;
3446            }
3447
3448            IShortcutService shortcutService = mShortcutKeyServices.get(shortcutCode);
3449            if (shortcutService != null) {
3450                try {
3451                    if (isUserSetupComplete()) {
3452                        shortcutService.notifyShortcutKeyPressed(shortcutCode);
3453                    }
3454                } catch (RemoteException e) {
3455                    mShortcutKeyServices.delete(shortcutCode);
3456                }
3457                return -1;
3458            }
3459        }
3460
3461        // Reserve all the META modifier combos for system behavior
3462        if ((metaState & KeyEvent.META_META_ON) != 0) {
3463            return -1;
3464        }
3465
3466        // Let the application handle the key.
3467        return 0;
3468    }
3469
3470    /** {@inheritDoc} */
3471    @Override
3472    public KeyEvent dispatchUnhandledKey(WindowState win, KeyEvent event, int policyFlags) {
3473        // Note: This method is only called if the initial down was unhandled.
3474        if (DEBUG_INPUT) {
3475            Slog.d(TAG, "Unhandled key: win=" + win + ", action=" + event.getAction()
3476                    + ", flags=" + event.getFlags()
3477                    + ", keyCode=" + event.getKeyCode()
3478                    + ", scanCode=" + event.getScanCode()
3479                    + ", metaState=" + event.getMetaState()
3480                    + ", repeatCount=" + event.getRepeatCount()
3481                    + ", policyFlags=" + policyFlags);
3482        }
3483
3484        KeyEvent fallbackEvent = null;
3485        if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
3486            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3487            final int keyCode = event.getKeyCode();
3488            final int metaState = event.getMetaState();
3489            final boolean initialDown = event.getAction() == KeyEvent.ACTION_DOWN
3490                    && event.getRepeatCount() == 0;
3491
3492            // Check for fallback actions specified by the key character map.
3493            final FallbackAction fallbackAction;
3494            if (initialDown) {
3495                fallbackAction = kcm.getFallbackAction(keyCode, metaState);
3496            } else {
3497                fallbackAction = mFallbackActions.get(keyCode);
3498            }
3499
3500            if (fallbackAction != null) {
3501                if (DEBUG_INPUT) {
3502                    Slog.d(TAG, "Fallback: keyCode=" + fallbackAction.keyCode
3503                            + " metaState=" + Integer.toHexString(fallbackAction.metaState));
3504                }
3505
3506                final int flags = event.getFlags() | KeyEvent.FLAG_FALLBACK;
3507                fallbackEvent = KeyEvent.obtain(
3508                        event.getDownTime(), event.getEventTime(),
3509                        event.getAction(), fallbackAction.keyCode,
3510                        event.getRepeatCount(), fallbackAction.metaState,
3511                        event.getDeviceId(), event.getScanCode(),
3512                        flags, event.getSource(), null);
3513
3514                if (!interceptFallback(win, fallbackEvent, policyFlags)) {
3515                    fallbackEvent.recycle();
3516                    fallbackEvent = null;
3517                }
3518
3519                if (initialDown) {
3520                    mFallbackActions.put(keyCode, fallbackAction);
3521                } else if (event.getAction() == KeyEvent.ACTION_UP) {
3522                    mFallbackActions.remove(keyCode);
3523                    fallbackAction.recycle();
3524                }
3525            }
3526        }
3527
3528        if (DEBUG_INPUT) {
3529            if (fallbackEvent == null) {
3530                Slog.d(TAG, "No fallback.");
3531            } else {
3532                Slog.d(TAG, "Performing fallback: " + fallbackEvent);
3533            }
3534        }
3535        return fallbackEvent;
3536    }
3537
3538    private boolean interceptFallback(WindowState win, KeyEvent fallbackEvent, int policyFlags) {
3539        int actions = interceptKeyBeforeQueueing(fallbackEvent, policyFlags);
3540        if ((actions & ACTION_PASS_TO_USER) != 0) {
3541            long delayMillis = interceptKeyBeforeDispatching(
3542                    win, fallbackEvent, policyFlags);
3543            if (delayMillis == 0) {
3544                return true;
3545            }
3546        }
3547        return false;
3548    }
3549
3550    @Override
3551    public void registerShortcutKey(long shortcutCode, IShortcutService shortcutService)
3552            throws RemoteException {
3553        synchronized (mLock) {
3554            IShortcutService service = mShortcutKeyServices.get(shortcutCode);
3555            if (service != null && service.asBinder().pingBinder()) {
3556                throw new RemoteException("Key already exists.");
3557            }
3558
3559            mShortcutKeyServices.put(shortcutCode, shortcutService);
3560        }
3561    }
3562
3563    @Override
3564    public boolean canShowDismissingWindowWhileLockedLw() {
3565        return false;
3566    }
3567
3568    private void launchAssistLongPressAction() {
3569        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
3570        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3571
3572        // launch the search activity
3573        Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
3574        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3575        try {
3576            // TODO: This only stops the factory-installed search manager.
3577            // Need to formalize an API to handle others
3578            SearchManager searchManager = getSearchManager();
3579            if (searchManager != null) {
3580                searchManager.stopSearch();
3581            }
3582            startActivityAsUser(intent, UserHandle.CURRENT);
3583        } catch (ActivityNotFoundException e) {
3584            Slog.w(TAG, "No activity to handle assist long press action.", e);
3585        }
3586    }
3587
3588    private void launchAssistAction(String hint, int deviceId) {
3589        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3590        if (!isUserSetupComplete()) {
3591            // Disable opening assist window during setup
3592            return;
3593        }
3594        Bundle args = null;
3595        if (deviceId > Integer.MIN_VALUE) {
3596            args = new Bundle();
3597            args.putInt(Intent.EXTRA_ASSIST_INPUT_DEVICE_ID, deviceId);
3598        }
3599        if ((mContext.getResources().getConfiguration().uiMode
3600                & Configuration.UI_MODE_TYPE_MASK) == Configuration.UI_MODE_TYPE_TELEVISION) {
3601            // On TV, use legacy handling until assistants are implemented in the proper way.
3602            ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
3603                    .launchLegacyAssist(hint, UserHandle.myUserId(), args);
3604        } else {
3605            if (hint != null) {
3606                if (args == null) {
3607                    args = new Bundle();
3608                }
3609                args.putBoolean(hint, true);
3610            }
3611            StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3612            if (statusbar != null) {
3613                statusbar.startAssist(args);
3614            }
3615        }
3616    }
3617
3618    private void startActivityAsUser(Intent intent, UserHandle handle) {
3619        if (isUserSetupComplete()) {
3620            mContext.startActivityAsUser(intent, handle);
3621        } else {
3622            Slog.i(TAG, "Not starting activity because user setup is in progress: " + intent);
3623        }
3624    }
3625
3626    private SearchManager getSearchManager() {
3627        if (mSearchManager == null) {
3628            mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
3629        }
3630        return mSearchManager;
3631    }
3632
3633    private void preloadRecentApps() {
3634        mPreloadedRecentApps = true;
3635        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3636        if (statusbar != null) {
3637            statusbar.preloadRecentApps();
3638        }
3639    }
3640
3641    private void cancelPreloadRecentApps() {
3642        if (mPreloadedRecentApps) {
3643            mPreloadedRecentApps = false;
3644            StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3645            if (statusbar != null) {
3646                statusbar.cancelPreloadRecentApps();
3647            }
3648        }
3649    }
3650
3651    private void toggleRecentApps() {
3652        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3653        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3654        if (statusbar != null) {
3655            statusbar.toggleRecentApps();
3656        }
3657    }
3658
3659    @Override
3660    public void showRecentApps(boolean fromHome) {
3661        mHandler.removeMessages(MSG_DISPATCH_SHOW_RECENTS);
3662        mHandler.obtainMessage(MSG_DISPATCH_SHOW_RECENTS, fromHome ? 1 : 0, 0).sendToTarget();
3663    }
3664
3665    private void showRecentApps(boolean triggeredFromAltTab, boolean fromHome) {
3666        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3667        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3668        if (statusbar != null) {
3669            statusbar.showRecentApps(triggeredFromAltTab, fromHome);
3670        }
3671    }
3672
3673    private void toggleKeyboardShortcutsMenu(int deviceId) {
3674        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3675        if (statusbar != null) {
3676            statusbar.toggleKeyboardShortcutsMenu(deviceId);
3677        }
3678    }
3679
3680    private void dismissKeyboardShortcutsMenu() {
3681        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3682        if (statusbar != null) {
3683            statusbar.dismissKeyboardShortcutsMenu();
3684        }
3685    }
3686
3687    private void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHome) {
3688        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3689        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3690        if (statusbar != null) {
3691            statusbar.hideRecentApps(triggeredFromAltTab, triggeredFromHome);
3692        }
3693    }
3694
3695    void launchHomeFromHotKey() {
3696        launchHomeFromHotKey(true /* awakenFromDreams */, true /*respectKeyguard*/);
3697    }
3698
3699    /**
3700     * A home key -> launch home action was detected.  Take the appropriate action
3701     * given the situation with the keyguard.
3702     */
3703    void launchHomeFromHotKey(final boolean awakenFromDreams, final boolean respectKeyguard) {
3704        if (respectKeyguard) {
3705            if (isKeyguardShowingAndNotOccluded()) {
3706                // don't launch home if keyguard showing
3707                return;
3708            }
3709
3710            if (!mHideLockScreen && mKeyguardDelegate.isInputRestricted()) {
3711                // when in keyguard restricted mode, must first verify unlock
3712                // before launching home
3713                mKeyguardDelegate.verifyUnlock(new OnKeyguardExitResult() {
3714                    @Override
3715                    public void onKeyguardExitResult(boolean success) {
3716                        if (success) {
3717                            try {
3718                                ActivityManagerNative.getDefault().stopAppSwitches();
3719                            } catch (RemoteException e) {
3720                            }
3721                            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3722                            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3723                        }
3724                    }
3725                });
3726                return;
3727            }
3728        }
3729
3730        // no keyguard stuff to worry about, just launch home!
3731        try {
3732            ActivityManagerNative.getDefault().stopAppSwitches();
3733        } catch (RemoteException e) {
3734        }
3735        if (mRecentsVisible) {
3736            // Hide Recents and notify it to launch Home
3737            if (awakenFromDreams) {
3738                awakenDreams();
3739            }
3740            hideRecentApps(false, true);
3741        } else {
3742            // Otherwise, just launch Home
3743            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3744            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3745        }
3746    }
3747
3748    private final Runnable mClearHideNavigationFlag = new Runnable() {
3749        @Override
3750        public void run() {
3751            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3752                // Clear flags.
3753                mForceClearedSystemUiFlags &=
3754                        ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3755            }
3756            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3757        }
3758    };
3759
3760    /**
3761     * Input handler used while nav bar is hidden.  Captures any touch on the screen,
3762     * to determine when the nav bar should be shown and prevent applications from
3763     * receiving those touches.
3764     */
3765    final class HideNavInputEventReceiver extends InputEventReceiver {
3766        public HideNavInputEventReceiver(InputChannel inputChannel, Looper looper) {
3767            super(inputChannel, looper);
3768        }
3769
3770        @Override
3771        public void onInputEvent(InputEvent event) {
3772            boolean handled = false;
3773            try {
3774                if (event instanceof MotionEvent
3775                        && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
3776                    final MotionEvent motionEvent = (MotionEvent)event;
3777                    if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
3778                        // When the user taps down, we re-show the nav bar.
3779                        boolean changed = false;
3780                        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3781                            if (mInputConsumer == null) {
3782                                return;
3783                            }
3784                            // Any user activity always causes us to show the
3785                            // navigation controls, if they had been hidden.
3786                            // We also clear the low profile and only content
3787                            // flags so that tapping on the screen will atomically
3788                            // restore all currently hidden screen decorations.
3789                            int newVal = mResettingSystemUiFlags |
3790                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
3791                                    View.SYSTEM_UI_FLAG_LOW_PROFILE |
3792                                    View.SYSTEM_UI_FLAG_FULLSCREEN;
3793                            if (mResettingSystemUiFlags != newVal) {
3794                                mResettingSystemUiFlags = newVal;
3795                                changed = true;
3796                            }
3797                            // We don't allow the system's nav bar to be hidden
3798                            // again for 1 second, to prevent applications from
3799                            // spamming us and keeping it from being shown.
3800                            newVal = mForceClearedSystemUiFlags |
3801                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3802                            if (mForceClearedSystemUiFlags != newVal) {
3803                                mForceClearedSystemUiFlags = newVal;
3804                                changed = true;
3805                                mHandler.postDelayed(mClearHideNavigationFlag, 1000);
3806                            }
3807                        }
3808                        if (changed) {
3809                            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3810                        }
3811                    }
3812                }
3813            } finally {
3814                finishInputEvent(event, handled);
3815            }
3816        }
3817    }
3818    final InputEventReceiver.Factory mHideNavInputEventReceiverFactory =
3819            new InputEventReceiver.Factory() {
3820        @Override
3821        public InputEventReceiver createInputEventReceiver(
3822                InputChannel inputChannel, Looper looper) {
3823            return new HideNavInputEventReceiver(inputChannel, looper);
3824        }
3825    };
3826
3827    @Override
3828    public int adjustSystemUiVisibilityLw(int visibility) {
3829        mStatusBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3830        mNavigationBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3831        mRecentsVisible = (visibility & View.RECENT_APPS_VISIBLE) > 0;
3832        mTvPictureInPictureVisible = (visibility & View.TV_PICTURE_IN_PICTURE_VISIBLE) > 0;
3833
3834        // Reset any bits in mForceClearingStatusBarVisibility that
3835        // are now clear.
3836        mResettingSystemUiFlags &= visibility;
3837        // Clear any bits in the new visibility that are currently being
3838        // force cleared, before reporting it.
3839        return visibility & ~mResettingSystemUiFlags
3840                & ~mForceClearedSystemUiFlags;
3841    }
3842
3843    @Override
3844    public boolean getInsetHintLw(WindowManager.LayoutParams attrs, Rect taskBounds,
3845            int displayRotation, int displayWidth, int displayHeight, Rect outContentInsets,
3846            Rect outStableInsets, Rect outOutsets) {
3847        final int fl = PolicyControl.getWindowFlags(null, attrs);
3848        final int sysuiVis = PolicyControl.getSystemUiVisibility(null, attrs);
3849        final int systemUiVisibility = (sysuiVis | attrs.subtreeSystemUiVisibility);
3850
3851        final boolean useOutsets = outOutsets != null && shouldUseOutsets(attrs, fl);
3852        if (useOutsets) {
3853            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
3854            if (outset > 0) {
3855                if (displayRotation == Surface.ROTATION_0) {
3856                    outOutsets.bottom += outset;
3857                } else if (displayRotation == Surface.ROTATION_90) {
3858                    outOutsets.right += outset;
3859                } else if (displayRotation == Surface.ROTATION_180) {
3860                    outOutsets.top += outset;
3861                } else if (displayRotation == Surface.ROTATION_270) {
3862                    outOutsets.left += outset;
3863                }
3864            }
3865        }
3866
3867        if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3868                == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3869            int availRight, availBottom;
3870            if (canHideNavigationBar() &&
3871                    (systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0) {
3872                availRight = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3873                availBottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3874            } else {
3875                availRight = mRestrictedScreenLeft + mRestrictedScreenWidth;
3876                availBottom = mRestrictedScreenTop + mRestrictedScreenHeight;
3877            }
3878            if ((systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3879                if ((fl & FLAG_FULLSCREEN) != 0) {
3880                    outContentInsets.set(mStableFullscreenLeft, mStableFullscreenTop,
3881                            availRight - mStableFullscreenRight,
3882                            availBottom - mStableFullscreenBottom);
3883                } else {
3884                    outContentInsets.set(mStableLeft, mStableTop,
3885                            availRight - mStableRight, availBottom - mStableBottom);
3886                }
3887            } else if ((fl & FLAG_FULLSCREEN) != 0 || (fl & FLAG_LAYOUT_IN_OVERSCAN) != 0) {
3888                outContentInsets.setEmpty();
3889            } else if ((systemUiVisibility & (View.SYSTEM_UI_FLAG_FULLSCREEN
3890                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)) == 0) {
3891                outContentInsets.set(mCurLeft, mCurTop,
3892                        availRight - mCurRight, availBottom - mCurBottom);
3893            } else {
3894                outContentInsets.set(mCurLeft, mCurTop,
3895                        availRight - mCurRight, availBottom - mCurBottom);
3896            }
3897
3898            outStableInsets.set(mStableLeft, mStableTop,
3899                    availRight - mStableRight, availBottom - mStableBottom);
3900            if (taskBounds != null) {
3901                calculateRelevantTaskInsets(taskBounds, outContentInsets,
3902                        displayWidth, displayHeight);
3903                calculateRelevantTaskInsets(taskBounds, outStableInsets,
3904                        displayWidth, displayHeight);
3905            }
3906            return mForceShowSystemBars;
3907        }
3908        outContentInsets.setEmpty();
3909        outStableInsets.setEmpty();
3910        return mForceShowSystemBars;
3911    }
3912
3913    /**
3914     * For any given task bounds, the insets relevant for these bounds given the insets relevant
3915     * for the entire display.
3916     */
3917    private void calculateRelevantTaskInsets(Rect taskBounds, Rect inOutInsets, int displayWidth,
3918            int displayHeight) {
3919        mTmpRect.set(0, 0, displayWidth, displayHeight);
3920        mTmpRect.inset(inOutInsets);
3921        mTmpRect.intersect(taskBounds);
3922        int leftInset = mTmpRect.left - taskBounds.left;
3923        int topInset = mTmpRect.top - taskBounds.top;
3924        int rightInset = taskBounds.right - mTmpRect.right;
3925        int bottomInset = taskBounds.bottom - mTmpRect.bottom;
3926        inOutInsets.set(leftInset, topInset, rightInset, bottomInset);
3927    }
3928
3929    private boolean shouldUseOutsets(WindowManager.LayoutParams attrs, int fl) {
3930        return attrs.type == TYPE_WALLPAPER || (fl & (WindowManager.LayoutParams.FLAG_FULLSCREEN
3931                | WindowManager.LayoutParams.FLAG_LAYOUT_IN_OVERSCAN)) != 0;
3932    }
3933
3934    /** {@inheritDoc} */
3935    @Override
3936    public void beginLayoutLw(boolean isDefaultDisplay, int displayWidth, int displayHeight,
3937                              int displayRotation, int uiMode) {
3938        mDisplayRotation = displayRotation;
3939        final int overscanLeft, overscanTop, overscanRight, overscanBottom;
3940        if (isDefaultDisplay) {
3941            switch (displayRotation) {
3942                case Surface.ROTATION_90:
3943                    overscanLeft = mOverscanTop;
3944                    overscanTop = mOverscanRight;
3945                    overscanRight = mOverscanBottom;
3946                    overscanBottom = mOverscanLeft;
3947                    break;
3948                case Surface.ROTATION_180:
3949                    overscanLeft = mOverscanRight;
3950                    overscanTop = mOverscanBottom;
3951                    overscanRight = mOverscanLeft;
3952                    overscanBottom = mOverscanTop;
3953                    break;
3954                case Surface.ROTATION_270:
3955                    overscanLeft = mOverscanBottom;
3956                    overscanTop = mOverscanLeft;
3957                    overscanRight = mOverscanTop;
3958                    overscanBottom = mOverscanRight;
3959                    break;
3960                default:
3961                    overscanLeft = mOverscanLeft;
3962                    overscanTop = mOverscanTop;
3963                    overscanRight = mOverscanRight;
3964                    overscanBottom = mOverscanBottom;
3965                    break;
3966            }
3967        } else {
3968            overscanLeft = 0;
3969            overscanTop = 0;
3970            overscanRight = 0;
3971            overscanBottom = 0;
3972        }
3973        mOverscanScreenLeft = mRestrictedOverscanScreenLeft = 0;
3974        mOverscanScreenTop = mRestrictedOverscanScreenTop = 0;
3975        mOverscanScreenWidth = mRestrictedOverscanScreenWidth = displayWidth;
3976        mOverscanScreenHeight = mRestrictedOverscanScreenHeight = displayHeight;
3977        mSystemLeft = 0;
3978        mSystemTop = 0;
3979        mSystemRight = displayWidth;
3980        mSystemBottom = displayHeight;
3981        mUnrestrictedScreenLeft = overscanLeft;
3982        mUnrestrictedScreenTop = overscanTop;
3983        mUnrestrictedScreenWidth = displayWidth - overscanLeft - overscanRight;
3984        mUnrestrictedScreenHeight = displayHeight - overscanTop - overscanBottom;
3985        mRestrictedScreenLeft = mUnrestrictedScreenLeft;
3986        mRestrictedScreenTop = mUnrestrictedScreenTop;
3987        mRestrictedScreenWidth = mSystemGestures.screenWidth = mUnrestrictedScreenWidth;
3988        mRestrictedScreenHeight = mSystemGestures.screenHeight = mUnrestrictedScreenHeight;
3989        mDockLeft = mContentLeft = mVoiceContentLeft = mStableLeft = mStableFullscreenLeft
3990                = mCurLeft = mUnrestrictedScreenLeft;
3991        mDockTop = mContentTop = mVoiceContentTop = mStableTop = mStableFullscreenTop
3992                = mCurTop = mUnrestrictedScreenTop;
3993        mDockRight = mContentRight = mVoiceContentRight = mStableRight = mStableFullscreenRight
3994                = mCurRight = displayWidth - overscanRight;
3995        mDockBottom = mContentBottom = mVoiceContentBottom = mStableBottom = mStableFullscreenBottom
3996                = mCurBottom = displayHeight - overscanBottom;
3997        mDockLayer = 0x10000000;
3998        mStatusBarLayer = -1;
3999
4000        // start with the current dock rect, which will be (0,0,displayWidth,displayHeight)
4001        final Rect pf = mTmpParentFrame;
4002        final Rect df = mTmpDisplayFrame;
4003        final Rect of = mTmpOverscanFrame;
4004        final Rect vf = mTmpVisibleFrame;
4005        final Rect dcf = mTmpDecorFrame;
4006        pf.left = df.left = of.left = vf.left = mDockLeft;
4007        pf.top = df.top = of.top = vf.top = mDockTop;
4008        pf.right = df.right = of.right = vf.right = mDockRight;
4009        pf.bottom = df.bottom = of.bottom = vf.bottom = mDockBottom;
4010        dcf.setEmpty();  // Decor frame N/A for system bars.
4011
4012        if (isDefaultDisplay) {
4013            // For purposes of putting out fake window up to steal focus, we will
4014            // drive nav being hidden only by whether it is requested.
4015            final int sysui = mLastSystemUiFlags;
4016            boolean navVisible = (sysui & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0;
4017            boolean navTranslucent = (sysui
4018                    & (View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT)) != 0;
4019            boolean immersive = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
4020            boolean immersiveSticky = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
4021            boolean navAllowedHidden = immersive || immersiveSticky;
4022            navTranslucent &= !immersiveSticky;  // transient trumps translucent
4023            boolean isKeyguardShowing = isStatusBarKeyguard() && !mHideLockScreen;
4024            if (!isKeyguardShowing) {
4025                navTranslucent &= areTranslucentBarsAllowed();
4026            }
4027            boolean statusBarExpandedNotKeyguard = !isKeyguardShowing && mStatusBar != null
4028                    && mStatusBar.getAttrs().height == MATCH_PARENT
4029                    && mStatusBar.getAttrs().width == MATCH_PARENT;
4030
4031            // When the navigation bar isn't visible, we put up a fake
4032            // input window to catch all touch events.  This way we can
4033            // detect when the user presses anywhere to bring back the nav
4034            // bar and ensure the application doesn't see the event.
4035            if (navVisible || navAllowedHidden) {
4036                if (mInputConsumer != null) {
4037                    mHandler.sendMessage(
4038                            mHandler.obtainMessage(MSG_DISPOSE_INPUT_CONSUMER, mInputConsumer));
4039                    mInputConsumer = null;
4040                }
4041            } else if (mInputConsumer == null) {
4042                mInputConsumer = mWindowManagerFuncs.addInputConsumer(mHandler.getLooper(),
4043                        mHideNavInputEventReceiverFactory);
4044            }
4045
4046            // For purposes of positioning and showing the nav bar, if we have
4047            // decided that it can't be hidden (because of the screen aspect ratio),
4048            // then take that into account.
4049            navVisible |= !canHideNavigationBar();
4050
4051            boolean updateSysUiVisibility = layoutNavigationBar(displayWidth, displayHeight,
4052                    displayRotation, uiMode, overscanLeft, overscanRight, overscanBottom, dcf, navVisible, navTranslucent,
4053                    navAllowedHidden, statusBarExpandedNotKeyguard);
4054            if (DEBUG_LAYOUT) Slog.i(TAG, String.format("mDock rect: (%d,%d - %d,%d)",
4055                    mDockLeft, mDockTop, mDockRight, mDockBottom));
4056            updateSysUiVisibility |= layoutStatusBar(pf, df, of, vf, dcf, sysui, isKeyguardShowing);
4057            if (updateSysUiVisibility) {
4058                updateSystemUiVisibilityLw();
4059            }
4060        }
4061    }
4062
4063    private boolean layoutStatusBar(Rect pf, Rect df, Rect of, Rect vf, Rect dcf, int sysui,
4064            boolean isKeyguardShowing) {
4065        // decide where the status bar goes ahead of time
4066        if (mStatusBar != null) {
4067            // apply any navigation bar insets
4068            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4069            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4070            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
4071            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight
4072                    + mUnrestrictedScreenTop;
4073            vf.left = mStableLeft;
4074            vf.top = mStableTop;
4075            vf.right = mStableRight;
4076            vf.bottom = mStableBottom;
4077
4078            mStatusBarLayer = mStatusBar.getSurfaceLayer();
4079
4080            // Let the status bar determine its size.
4081            mStatusBar.computeFrameLw(pf /* parentFrame */, df /* displayFrame */,
4082                    vf /* overlayFrame */, vf /* contentFrame */, vf /* visibleFrame */,
4083                    dcf /* decorFrame */, vf /* stableFrame */, vf /* outsetFrame */);
4084
4085            // For layout, the status bar is always at the top with our fixed height.
4086            mStableTop = mUnrestrictedScreenTop + mStatusBarHeight;
4087
4088            boolean statusBarTransient = (sysui & View.STATUS_BAR_TRANSIENT) != 0;
4089            boolean statusBarTranslucent = (sysui
4090                    & (View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT)) != 0;
4091            if (!isKeyguardShowing) {
4092                statusBarTranslucent &= areTranslucentBarsAllowed();
4093            }
4094
4095            // If the status bar is hidden, we don't want to cause
4096            // windows behind it to scroll.
4097            if (mStatusBar.isVisibleLw() && !statusBarTransient) {
4098                // Status bar may go away, so the screen area it occupies
4099                // is available to apps but just covering them when the
4100                // status bar is visible.
4101                mDockTop = mUnrestrictedScreenTop + mStatusBarHeight;
4102
4103                mContentTop = mVoiceContentTop = mCurTop = mDockTop;
4104                mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
4105                mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
4106                mContentRight = mVoiceContentRight = mCurRight = mDockRight;
4107
4108                if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar: " +
4109                        String.format(
4110                                "dock=[%d,%d][%d,%d] content=[%d,%d][%d,%d] cur=[%d,%d][%d,%d]",
4111                                mDockLeft, mDockTop, mDockRight, mDockBottom,
4112                                mContentLeft, mContentTop, mContentRight, mContentBottom,
4113                                mCurLeft, mCurTop, mCurRight, mCurBottom));
4114            }
4115            if (mStatusBar.isVisibleLw() && !mStatusBar.isAnimatingLw()
4116                    && !statusBarTransient && !statusBarTranslucent
4117                    && !mStatusBarController.wasRecentlyTranslucent()) {
4118                // If the opaque status bar is currently requested to be visible,
4119                // and not in the process of animating on or off, then
4120                // we can tell the app that it is covered by it.
4121                mSystemTop = mUnrestrictedScreenTop + mStatusBarHeight;
4122            }
4123            if (mStatusBarController.checkHiddenLw()) {
4124                return true;
4125            }
4126        }
4127        return false;
4128    }
4129
4130    private boolean layoutNavigationBar(int displayWidth, int displayHeight, int displayRotation,
4131            int uiMode, int overscanLeft, int overscanRight, int overscanBottom, Rect dcf,
4132            boolean navVisible, boolean navTranslucent, boolean navAllowedHidden,
4133            boolean statusBarExpandedNotKeyguard) {
4134        if (mNavigationBar != null) {
4135            boolean transientNavBarShowing = mNavigationBarController.isTransientShowing();
4136            // Force the navigation bar to its appropriate place and
4137            // size.  We need to do this directly, instead of relying on
4138            // it to bubble up from the nav bar, because this needs to
4139            // change atomically with screen rotations.
4140            mNavigationBarPosition = navigationBarPosition(displayWidth, displayHeight,
4141                    displayRotation);
4142            if (mNavigationBarPosition == NAV_BAR_BOTTOM) {
4143                // It's a system nav bar or a portrait screen; nav bar goes on bottom.
4144                int top = displayHeight - overscanBottom
4145                        - getNavigationBarHeight(displayRotation, uiMode);
4146                mTmpNavigationFrame.set(0, top, displayWidth, displayHeight - overscanBottom);
4147                mStableBottom = mStableFullscreenBottom = mTmpNavigationFrame.top;
4148                if (transientNavBarShowing) {
4149                    mNavigationBarController.setBarShowingLw(true);
4150                } else if (navVisible) {
4151                    mNavigationBarController.setBarShowingLw(true);
4152                    mDockBottom = mTmpNavigationFrame.top;
4153                    mRestrictedScreenHeight = mDockBottom - mRestrictedScreenTop;
4154                    mRestrictedOverscanScreenHeight = mDockBottom - mRestrictedOverscanScreenTop;
4155                } else {
4156                    // We currently want to hide the navigation UI - unless we expanded the status
4157                    // bar.
4158                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4159                }
4160                if (navVisible && !navTranslucent && !navAllowedHidden
4161                        && !mNavigationBar.isAnimatingLw()
4162                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4163                    // If the opaque nav bar is currently requested to be visible,
4164                    // and not in the process of animating on or off, then
4165                    // we can tell the app that it is covered by it.
4166                    mSystemBottom = mTmpNavigationFrame.top;
4167                }
4168            } else if (mNavigationBarPosition == NAV_BAR_RIGHT) {
4169                // Landscape screen; nav bar goes to the right.
4170                int left = displayWidth - overscanRight
4171                        - getNavigationBarWidth(displayRotation, uiMode);
4172                mTmpNavigationFrame.set(left, 0, displayWidth - overscanRight, displayHeight);
4173                mStableRight = mStableFullscreenRight = mTmpNavigationFrame.left;
4174                if (transientNavBarShowing) {
4175                    mNavigationBarController.setBarShowingLw(true);
4176                } else if (navVisible) {
4177                    mNavigationBarController.setBarShowingLw(true);
4178                    mDockRight = mTmpNavigationFrame.left;
4179                    mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
4180                    mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
4181                } else {
4182                    // We currently want to hide the navigation UI - unless we expanded the status
4183                    // bar.
4184                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4185                }
4186                if (navVisible && !navTranslucent && !navAllowedHidden
4187                        && !mNavigationBar.isAnimatingLw()
4188                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4189                    // If the nav bar is currently requested to be visible,
4190                    // and not in the process of animating on or off, then
4191                    // we can tell the app that it is covered by it.
4192                    mSystemRight = mTmpNavigationFrame.left;
4193                }
4194            } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
4195                // Seascape screen; nav bar goes to the left.
4196                int right = overscanLeft + getNavigationBarWidth(displayRotation, uiMode);
4197                mTmpNavigationFrame.set(overscanLeft, 0, right, displayHeight);
4198                mStableLeft = mStableFullscreenLeft = mTmpNavigationFrame.right;
4199                if (transientNavBarShowing) {
4200                    mNavigationBarController.setBarShowingLw(true);
4201                } else if (navVisible) {
4202                    mNavigationBarController.setBarShowingLw(true);
4203                    mDockLeft = mTmpNavigationFrame.right;
4204                    // TODO: not so sure about those:
4205                    mRestrictedScreenLeft = mRestrictedOverscanScreenLeft = mDockLeft;
4206                    mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
4207                    mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
4208                } else {
4209                    // We currently want to hide the navigation UI - unless we expanded the status
4210                    // bar.
4211                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4212                }
4213                if (navVisible && !navTranslucent && !navAllowedHidden
4214                        && !mNavigationBar.isAnimatingLw()
4215                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4216                    // If the nav bar is currently requested to be visible,
4217                    // and not in the process of animating on or off, then
4218                    // we can tell the app that it is covered by it.
4219                    mSystemLeft = mTmpNavigationFrame.right;
4220                }
4221            }
4222            // Make sure the content and current rectangles are updated to
4223            // account for the restrictions from the navigation bar.
4224            mContentTop = mVoiceContentTop = mCurTop = mDockTop;
4225            mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
4226            mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
4227            mContentRight = mVoiceContentRight = mCurRight = mDockRight;
4228            mStatusBarLayer = mNavigationBar.getSurfaceLayer();
4229            // And compute the final frame.
4230            mNavigationBar.computeFrameLw(mTmpNavigationFrame, mTmpNavigationFrame,
4231                    mTmpNavigationFrame, mTmpNavigationFrame, mTmpNavigationFrame, dcf,
4232                    mTmpNavigationFrame, mTmpNavigationFrame);
4233            if (DEBUG_LAYOUT) Slog.i(TAG, "mNavigationBar frame: " + mTmpNavigationFrame);
4234            if (mNavigationBarController.checkHiddenLw()) {
4235                return true;
4236            }
4237        }
4238        return false;
4239    }
4240
4241    private int navigationBarPosition(int displayWidth, int displayHeight, int displayRotation) {
4242        if (mNavigationBarCanMove && displayWidth > displayHeight) {
4243            if (displayRotation == Surface.ROTATION_270) {
4244                return NAV_BAR_LEFT;
4245            } else {
4246                return NAV_BAR_RIGHT;
4247            }
4248        }
4249        return NAV_BAR_BOTTOM;
4250    }
4251
4252    /** {@inheritDoc} */
4253    @Override
4254    public int getSystemDecorLayerLw() {
4255        if (mStatusBar != null && mStatusBar.isVisibleLw()) {
4256            return mStatusBar.getSurfaceLayer();
4257        }
4258
4259        if (mNavigationBar != null && mNavigationBar.isVisibleLw()) {
4260            return mNavigationBar.getSurfaceLayer();
4261        }
4262
4263        return 0;
4264    }
4265
4266    @Override
4267    public void getContentRectLw(Rect r) {
4268        r.set(mContentLeft, mContentTop, mContentRight, mContentBottom);
4269    }
4270
4271    void setAttachedWindowFrames(WindowState win, int fl, int adjust, WindowState attached,
4272            boolean insetDecors, Rect pf, Rect df, Rect of, Rect cf, Rect vf) {
4273        if (win.getSurfaceLayer() > mDockLayer && attached.getSurfaceLayer() < mDockLayer) {
4274            // Here's a special case: if this attached window is a panel that is
4275            // above the dock window, and the window it is attached to is below
4276            // the dock window, then the frames we computed for the window it is
4277            // attached to can not be used because the dock is effectively part
4278            // of the underlying window and the attached window is floating on top
4279            // of the whole thing.  So, we ignore the attached window and explicitly
4280            // compute the frames that would be appropriate without the dock.
4281            df.left = of.left = cf.left = vf.left = mDockLeft;
4282            df.top = of.top = cf.top = vf.top = mDockTop;
4283            df.right = of.right = cf.right = vf.right = mDockRight;
4284            df.bottom = of.bottom = cf.bottom = vf.bottom = mDockBottom;
4285        } else {
4286            // The effective display frame of the attached window depends on
4287            // whether it is taking care of insetting its content.  If not,
4288            // we need to use the parent's content frame so that the entire
4289            // window is positioned within that content.  Otherwise we can use
4290            // the overscan frame and let the attached window take care of
4291            // positioning its content appropriately.
4292            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4293                // Set the content frame of the attached window to the parent's decor frame
4294                // (same as content frame when IME isn't present) if specifically requested by
4295                // setting {@link WindowManager.LayoutParams#FLAG_LAYOUT_ATTACHED_IN_DECOR} flag.
4296                // Otherwise, use the overscan frame.
4297                cf.set((fl & FLAG_LAYOUT_ATTACHED_IN_DECOR) != 0
4298                        ? attached.getContentFrameLw() : attached.getOverscanFrameLw());
4299            } else {
4300                // If the window is resizing, then we want to base the content
4301                // frame on our attached content frame to resize...  however,
4302                // things can be tricky if the attached window is NOT in resize
4303                // mode, in which case its content frame will be larger.
4304                // Ungh.  So to deal with that, make sure the content frame
4305                // we end up using is not covering the IM dock.
4306                cf.set(attached.getContentFrameLw());
4307                if (attached.isVoiceInteraction()) {
4308                    if (cf.left < mVoiceContentLeft) cf.left = mVoiceContentLeft;
4309                    if (cf.top < mVoiceContentTop) cf.top = mVoiceContentTop;
4310                    if (cf.right > mVoiceContentRight) cf.right = mVoiceContentRight;
4311                    if (cf.bottom > mVoiceContentBottom) cf.bottom = mVoiceContentBottom;
4312                } else if (attached.getSurfaceLayer() < mDockLayer) {
4313                    if (cf.left < mContentLeft) cf.left = mContentLeft;
4314                    if (cf.top < mContentTop) cf.top = mContentTop;
4315                    if (cf.right > mContentRight) cf.right = mContentRight;
4316                    if (cf.bottom > mContentBottom) cf.bottom = mContentBottom;
4317                }
4318            }
4319            df.set(insetDecors ? attached.getDisplayFrameLw() : cf);
4320            of.set(insetDecors ? attached.getOverscanFrameLw() : cf);
4321            vf.set(attached.getVisibleFrameLw());
4322        }
4323        // The LAYOUT_IN_SCREEN flag is used to determine whether the attached
4324        // window should be positioned relative to its parent or the entire
4325        // screen.
4326        pf.set((fl & FLAG_LAYOUT_IN_SCREEN) == 0
4327                ? attached.getFrameLw() : df);
4328    }
4329
4330    private void applyStableConstraints(int sysui, int fl, Rect r) {
4331        if ((sysui & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
4332            // If app is requesting a stable layout, don't let the
4333            // content insets go below the stable values.
4334            if ((fl & FLAG_FULLSCREEN) != 0) {
4335                if (r.left < mStableFullscreenLeft) r.left = mStableFullscreenLeft;
4336                if (r.top < mStableFullscreenTop) r.top = mStableFullscreenTop;
4337                if (r.right > mStableFullscreenRight) r.right = mStableFullscreenRight;
4338                if (r.bottom > mStableFullscreenBottom) r.bottom = mStableFullscreenBottom;
4339            } else {
4340                if (r.left < mStableLeft) r.left = mStableLeft;
4341                if (r.top < mStableTop) r.top = mStableTop;
4342                if (r.right > mStableRight) r.right = mStableRight;
4343                if (r.bottom > mStableBottom) r.bottom = mStableBottom;
4344            }
4345        }
4346    }
4347
4348    private boolean canReceiveInput(WindowState win) {
4349        boolean notFocusable =
4350                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) != 0;
4351        boolean altFocusableIm =
4352                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM) != 0;
4353        boolean notFocusableForIm = notFocusable ^ altFocusableIm;
4354        return !notFocusableForIm;
4355    }
4356
4357    /** {@inheritDoc} */
4358    @Override
4359    public void layoutWindowLw(WindowState win, WindowState attached) {
4360        // We've already done the navigation bar and status bar. If the status bar can receive
4361        // input, we need to layout it again to accomodate for the IME window.
4362        if ((win == mStatusBar && !canReceiveInput(win)) || win == mNavigationBar) {
4363            return;
4364        }
4365        final WindowManager.LayoutParams attrs = win.getAttrs();
4366        final boolean isDefaultDisplay = win.isDefaultDisplay();
4367        final boolean needsToOffsetInputMethodTarget = isDefaultDisplay &&
4368                (win == mLastInputMethodTargetWindow && mLastInputMethodWindow != null);
4369        if (needsToOffsetInputMethodTarget) {
4370            if (DEBUG_LAYOUT) Slog.i(TAG, "Offset ime target window by the last ime window state");
4371            offsetInputMethodWindowLw(mLastInputMethodWindow);
4372        }
4373
4374        final int fl = PolicyControl.getWindowFlags(win, attrs);
4375        final int pfl = attrs.privateFlags;
4376        final int sim = attrs.softInputMode;
4377        final int sysUiFl = PolicyControl.getSystemUiVisibility(win, null);
4378
4379        final Rect pf = mTmpParentFrame;
4380        final Rect df = mTmpDisplayFrame;
4381        final Rect of = mTmpOverscanFrame;
4382        final Rect cf = mTmpContentFrame;
4383        final Rect vf = mTmpVisibleFrame;
4384        final Rect dcf = mTmpDecorFrame;
4385        final Rect sf = mTmpStableFrame;
4386        Rect osf = null;
4387        dcf.setEmpty();
4388
4389        final boolean hasNavBar = (isDefaultDisplay && mHasNavigationBar
4390                && mNavigationBar != null && mNavigationBar.isVisibleLw());
4391
4392        final int adjust = sim & SOFT_INPUT_MASK_ADJUST;
4393
4394        if (isDefaultDisplay) {
4395            sf.set(mStableLeft, mStableTop, mStableRight, mStableBottom);
4396        } else {
4397            sf.set(mOverscanLeft, mOverscanTop, mOverscanRight, mOverscanBottom);
4398        }
4399
4400        if (!isDefaultDisplay) {
4401            if (attached != null) {
4402                // If this window is attached to another, our display
4403                // frame is the same as the one we are attached to.
4404                setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4405            } else {
4406                // Give the window full screen.
4407                pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4408                pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4409                pf.right = df.right = of.right = cf.right
4410                        = mOverscanScreenLeft + mOverscanScreenWidth;
4411                pf.bottom = df.bottom = of.bottom = cf.bottom
4412                        = mOverscanScreenTop + mOverscanScreenHeight;
4413            }
4414        } else if (attrs.type == TYPE_INPUT_METHOD) {
4415            pf.left = df.left = of.left = cf.left = vf.left = mDockLeft;
4416            pf.top = df.top = of.top = cf.top = vf.top = mDockTop;
4417            pf.right = df.right = of.right = cf.right = vf.right = mDockRight;
4418            // IM dock windows layout below the nav bar...
4419            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4420            // ...with content insets above the nav bar
4421            cf.bottom = vf.bottom = mStableBottom;
4422            if (mStatusBar != null && mFocusedWindow == mStatusBar && canReceiveInput(mStatusBar)) {
4423                // The status bar forces the navigation bar while it's visible. Make sure the IME
4424                // avoids the navigation bar in that case.
4425                if (mNavigationBarPosition == NAV_BAR_RIGHT) {
4426                    pf.right = df.right = of.right = cf.right = vf.right = mStableRight;
4427                } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
4428                    pf.left = df.left = of.left = cf.left = vf.left = mStableLeft;
4429                }
4430            }
4431            // IM dock windows always go to the bottom of the screen.
4432            attrs.gravity = Gravity.BOTTOM;
4433            mDockLayer = win.getSurfaceLayer();
4434        } else if (attrs.type == TYPE_VOICE_INTERACTION) {
4435            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4436            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4437            pf.right = df.right = of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4438            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4439            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4440                cf.left = mDockLeft;
4441                cf.top = mDockTop;
4442                cf.right = mDockRight;
4443                cf.bottom = mDockBottom;
4444            } else {
4445                cf.left = mContentLeft;
4446                cf.top = mContentTop;
4447                cf.right = mContentRight;
4448                cf.bottom = mContentBottom;
4449            }
4450            if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4451                vf.left = mCurLeft;
4452                vf.top = mCurTop;
4453                vf.right = mCurRight;
4454                vf.bottom = mCurBottom;
4455            } else {
4456                vf.set(cf);
4457            }
4458        } else if (attrs.type == TYPE_WALLPAPER) {
4459           layoutWallpaper(win, pf, df, of, cf);
4460        } else if (win == mStatusBar) {
4461            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4462            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4463            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
4464            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight + mUnrestrictedScreenTop;
4465            cf.left = vf.left = mStableLeft;
4466            cf.top = vf.top = mStableTop;
4467            cf.right = vf.right = mStableRight;
4468            vf.bottom = mStableBottom;
4469
4470            if (adjust == SOFT_INPUT_ADJUST_RESIZE) {
4471                cf.bottom = mContentBottom;
4472            } else {
4473                cf.bottom = mDockBottom;
4474                vf.bottom = mContentBottom;
4475            }
4476        } else {
4477
4478            // Default policy decor for the default display
4479            dcf.left = mSystemLeft;
4480            dcf.top = mSystemTop;
4481            dcf.right = mSystemRight;
4482            dcf.bottom = mSystemBottom;
4483            final boolean inheritTranslucentDecor = (attrs.privateFlags
4484                    & WindowManager.LayoutParams.PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR) != 0;
4485            final boolean isAppWindow =
4486                    attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW &&
4487                    attrs.type <= WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
4488            final boolean topAtRest =
4489                    win == mTopFullscreenOpaqueWindowState && !win.isAnimatingLw();
4490            if (isAppWindow && !inheritTranslucentDecor && !topAtRest) {
4491                if ((sysUiFl & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0
4492                        && (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) == 0
4493                        && (fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) == 0
4494                        && (fl & WindowManager.LayoutParams.
4495                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0
4496                        && (pfl & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND) == 0) {
4497                    // Ensure policy decor includes status bar
4498                    dcf.top = mStableTop;
4499                }
4500                if ((fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) == 0
4501                        && (sysUiFl & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0
4502                        && (fl & WindowManager.LayoutParams.
4503                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
4504                    // Ensure policy decor includes navigation bar
4505                    dcf.bottom = mStableBottom;
4506                    dcf.right = mStableRight;
4507                }
4508            }
4509
4510            if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
4511                    == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
4512                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle()
4513                            + "): IN_SCREEN, INSET_DECOR");
4514                // This is the case for a normal activity window: we want it
4515                // to cover all of the screen space, and it can take care of
4516                // moving its contents to account for screen decorations that
4517                // intrude into that space.
4518                if (attached != null) {
4519                    // If this window is attached to another, our display
4520                    // frame is the same as the one we are attached to.
4521                    setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4522                } else {
4523                    if (attrs.type == TYPE_STATUS_BAR_PANEL
4524                            || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
4525                        // Status bar panels are the only windows who can go on top of
4526                        // the status bar.  They are protected by the STATUS_BAR_SERVICE
4527                        // permission, so they have the same privileges as the status
4528                        // bar itself.
4529                        //
4530                        // However, they should still dodge the navigation bar if it exists.
4531
4532                        pf.left = df.left = of.left = hasNavBar
4533                                ? mDockLeft : mUnrestrictedScreenLeft;
4534                        pf.top = df.top = of.top = mUnrestrictedScreenTop;
4535                        pf.right = df.right = of.right = hasNavBar
4536                                ? mRestrictedScreenLeft+mRestrictedScreenWidth
4537                                : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4538                        pf.bottom = df.bottom = of.bottom = hasNavBar
4539                                ? mRestrictedScreenTop+mRestrictedScreenHeight
4540                                : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4541
4542                        if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4543                                        "Laying out status bar window: (%d,%d - %d,%d)",
4544                                        pf.left, pf.top, pf.right, pf.bottom));
4545                    } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4546                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4547                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4548                        // Asking to layout into the overscan region, so give it that pure
4549                        // unrestricted area.
4550                        pf.left = df.left = of.left = mOverscanScreenLeft;
4551                        pf.top = df.top = of.top = mOverscanScreenTop;
4552                        pf.right = df.right = of.right = mOverscanScreenLeft + mOverscanScreenWidth;
4553                        pf.bottom = df.bottom = of.bottom = mOverscanScreenTop
4554                                + mOverscanScreenHeight;
4555                    } else if (canHideNavigationBar()
4556                            && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4557                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4558                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4559                        // Asking for layout as if the nav bar is hidden, lets the
4560                        // application extend into the unrestricted overscan screen area.  We
4561                        // only do this for application windows to ensure no window that
4562                        // can be above the nav bar can do this.
4563                        pf.left = df.left = mOverscanScreenLeft;
4564                        pf.top = df.top = mOverscanScreenTop;
4565                        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4566                        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4567                        // We need to tell the app about where the frame inside the overscan
4568                        // is, so it can inset its content by that amount -- it didn't ask
4569                        // to actually extend itself into the overscan region.
4570                        of.left = mUnrestrictedScreenLeft;
4571                        of.top = mUnrestrictedScreenTop;
4572                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4573                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4574                    } else {
4575                        pf.left = df.left = mRestrictedOverscanScreenLeft;
4576                        pf.top = df.top = mRestrictedOverscanScreenTop;
4577                        pf.right = df.right = mRestrictedOverscanScreenLeft
4578                                + mRestrictedOverscanScreenWidth;
4579                        pf.bottom = df.bottom = mRestrictedOverscanScreenTop
4580                                + mRestrictedOverscanScreenHeight;
4581                        // We need to tell the app about where the frame inside the overscan
4582                        // is, so it can inset its content by that amount -- it didn't ask
4583                        // to actually extend itself into the overscan region.
4584                        of.left = mUnrestrictedScreenLeft;
4585                        of.top = mUnrestrictedScreenTop;
4586                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4587                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4588                    }
4589
4590                    if ((fl & FLAG_FULLSCREEN) == 0) {
4591                        if (win.isVoiceInteraction()) {
4592                            cf.left = mVoiceContentLeft;
4593                            cf.top = mVoiceContentTop;
4594                            cf.right = mVoiceContentRight;
4595                            cf.bottom = mVoiceContentBottom;
4596                        } else {
4597                            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4598                                cf.left = mDockLeft;
4599                                cf.top = mDockTop;
4600                                cf.right = mDockRight;
4601                                cf.bottom = mDockBottom;
4602                            } else {
4603                                cf.left = mContentLeft;
4604                                cf.top = mContentTop;
4605                                cf.right = mContentRight;
4606                                cf.bottom = mContentBottom;
4607                            }
4608                        }
4609                    } else {
4610                        // Full screen windows are always given a layout that is as if the
4611                        // status bar and other transient decors are gone.  This is to avoid
4612                        // bad states when moving from a window that is not hding the
4613                        // status bar to one that is.
4614                        cf.left = mRestrictedScreenLeft;
4615                        cf.top = mRestrictedScreenTop;
4616                        cf.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
4617                        cf.bottom = mRestrictedScreenTop + mRestrictedScreenHeight;
4618                    }
4619                    applyStableConstraints(sysUiFl, fl, cf);
4620                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4621                        vf.left = mCurLeft;
4622                        vf.top = mCurTop;
4623                        vf.right = mCurRight;
4624                        vf.bottom = mCurBottom;
4625                    } else {
4626                        vf.set(cf);
4627                    }
4628                }
4629            } else if ((fl & FLAG_LAYOUT_IN_SCREEN) != 0 || (sysUiFl
4630                    & (View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
4631                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION)) != 0) {
4632                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4633                        "): IN_SCREEN");
4634                // A window that has requested to fill the entire screen just
4635                // gets everything, period.
4636                if (attrs.type == TYPE_STATUS_BAR_PANEL
4637                        || attrs.type == TYPE_STATUS_BAR_SUB_PANEL
4638                        || attrs.type == TYPE_VOLUME_OVERLAY) {
4639                    pf.left = df.left = of.left = cf.left = hasNavBar
4640                            ? mDockLeft : mUnrestrictedScreenLeft;
4641                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4642                    pf.right = df.right = of.right = cf.right = hasNavBar
4643                                        ? mRestrictedScreenLeft+mRestrictedScreenWidth
4644                                        : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4645                    pf.bottom = df.bottom = of.bottom = cf.bottom = hasNavBar
4646                                          ? mRestrictedScreenTop+mRestrictedScreenHeight
4647                                          : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4648                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4649                                    "Laying out IN_SCREEN status bar window: (%d,%d - %d,%d)",
4650                                    pf.left, pf.top, pf.right, pf.bottom));
4651                } else if (attrs.type == TYPE_NAVIGATION_BAR
4652                        || attrs.type == TYPE_NAVIGATION_BAR_PANEL) {
4653                    // The navigation bar has Real Ultimate Power.
4654                    pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4655                    pf.top = df.top = of.top = mUnrestrictedScreenTop;
4656                    pf.right = df.right = of.right = mUnrestrictedScreenLeft
4657                            + mUnrestrictedScreenWidth;
4658                    pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop
4659                            + mUnrestrictedScreenHeight;
4660                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4661                                    "Laying out navigation bar window: (%d,%d - %d,%d)",
4662                                    pf.left, pf.top, pf.right, pf.bottom));
4663                } else if ((attrs.type == TYPE_SECURE_SYSTEM_OVERLAY
4664                                || attrs.type == TYPE_BOOT_PROGRESS
4665                                || attrs.type == TYPE_SCREENSHOT)
4666                        && ((fl & FLAG_FULLSCREEN) != 0)) {
4667                    // Fullscreen secure system overlays get what they ask for. Screenshot region
4668                    // selection overlay should also expand to full screen.
4669                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4670                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4671                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4672                            + mOverscanScreenWidth;
4673                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4674                            + mOverscanScreenHeight;
4675                } else if (attrs.type == TYPE_BOOT_PROGRESS) {
4676                    // Boot progress screen always covers entire display.
4677                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4678                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4679                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4680                            + mOverscanScreenWidth;
4681                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4682                            + mOverscanScreenHeight;
4683                } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4684                        && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4685                        && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4686                    // Asking to layout into the overscan region, so give it that pure
4687                    // unrestricted area.
4688                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4689                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4690                    pf.right = df.right = of.right = cf.right
4691                            = mOverscanScreenLeft + mOverscanScreenWidth;
4692                    pf.bottom = df.bottom = of.bottom = cf.bottom
4693                            = mOverscanScreenTop + mOverscanScreenHeight;
4694                } else if (canHideNavigationBar()
4695                        && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4696                        && (attrs.type == TYPE_STATUS_BAR
4697                            || attrs.type == TYPE_TOAST
4698                            || attrs.type == TYPE_DOCK_DIVIDER
4699                            || attrs.type == TYPE_VOICE_INTERACTION_STARTING
4700                            || (attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4701                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW))) {
4702                    // Asking for layout as if the nav bar is hidden, lets the
4703                    // application extend into the unrestricted screen area.  We
4704                    // only do this for application windows (or toasts) to ensure no window that
4705                    // can be above the nav bar can do this.
4706                    // XXX This assumes that an app asking for this will also
4707                    // ask for layout in only content.  We can't currently figure out
4708                    // what the screen would be if only laying out to hide the nav bar.
4709                    pf.left = df.left = of.left = cf.left = mUnrestrictedScreenLeft;
4710                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4711                    pf.right = df.right = of.right = cf.right = mUnrestrictedScreenLeft
4712                            + mUnrestrictedScreenWidth;
4713                    pf.bottom = df.bottom = of.bottom = cf.bottom = mUnrestrictedScreenTop
4714                            + mUnrestrictedScreenHeight;
4715                } else if ((sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN) != 0) {
4716                    pf.left = df.left = of.left = mRestrictedScreenLeft;
4717                    pf.top = df.top = of.top  = mRestrictedScreenTop;
4718                    pf.right = df.right = of.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
4719                    pf.bottom = df.bottom = of.bottom = mRestrictedScreenTop
4720                            + mRestrictedScreenHeight;
4721                    if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4722                        cf.left = mDockLeft;
4723                        cf.top = mDockTop;
4724                        cf.right = mDockRight;
4725                        cf.bottom = mDockBottom;
4726                    } else {
4727                        cf.left = mContentLeft;
4728                        cf.top = mContentTop;
4729                        cf.right = mContentRight;
4730                        cf.bottom = mContentBottom;
4731                    }
4732                } else {
4733                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4734                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4735                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4736                            + mRestrictedScreenWidth;
4737                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4738                            + mRestrictedScreenHeight;
4739                }
4740
4741                applyStableConstraints(sysUiFl, fl, cf);
4742
4743                if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4744                    vf.left = mCurLeft;
4745                    vf.top = mCurTop;
4746                    vf.right = mCurRight;
4747                    vf.bottom = mCurBottom;
4748                } else {
4749                    vf.set(cf);
4750                }
4751            } else if (attached != null) {
4752                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4753                        "): attached to " + attached);
4754                // A child window should be placed inside of the same visible
4755                // frame that its parent had.
4756                setAttachedWindowFrames(win, fl, adjust, attached, false, pf, df, of, cf, vf);
4757            } else {
4758                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4759                        "): normal window");
4760                // Otherwise, a normal window must be placed inside the content
4761                // of all screen decorations.
4762                if (attrs.type == TYPE_STATUS_BAR_PANEL || attrs.type == TYPE_VOLUME_OVERLAY) {
4763                    // Status bar panels and the volume dialog are the only windows who can go on
4764                    // top of the status bar.  They are protected by the STATUS_BAR_SERVICE
4765                    // permission, so they have the same privileges as the status
4766                    // bar itself.
4767                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4768                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4769                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4770                            + mRestrictedScreenWidth;
4771                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4772                            + mRestrictedScreenHeight;
4773                } else if (attrs.type == TYPE_TOAST || attrs.type == TYPE_SYSTEM_ALERT) {
4774                    // These dialogs are stable to interim decor changes.
4775                    pf.left = df.left = of.left = cf.left = mStableLeft;
4776                    pf.top = df.top = of.top = cf.top = mStableTop;
4777                    pf.right = df.right = of.right = cf.right = mStableRight;
4778                    pf.bottom = df.bottom = of.bottom = cf.bottom = mStableBottom;
4779                } else {
4780                    pf.left = mContentLeft;
4781                    pf.top = mContentTop;
4782                    pf.right = mContentRight;
4783                    pf.bottom = mContentBottom;
4784                    if (win.isVoiceInteraction()) {
4785                        df.left = of.left = cf.left = mVoiceContentLeft;
4786                        df.top = of.top = cf.top = mVoiceContentTop;
4787                        df.right = of.right = cf.right = mVoiceContentRight;
4788                        df.bottom = of.bottom = cf.bottom = mVoiceContentBottom;
4789                    } else if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4790                        df.left = of.left = cf.left = mDockLeft;
4791                        df.top = of.top = cf.top = mDockTop;
4792                        df.right = of.right = cf.right = mDockRight;
4793                        df.bottom = of.bottom = cf.bottom = mDockBottom;
4794                    } else {
4795                        df.left = of.left = cf.left = mContentLeft;
4796                        df.top = of.top = cf.top = mContentTop;
4797                        df.right = of.right = cf.right = mContentRight;
4798                        df.bottom = of.bottom = cf.bottom = mContentBottom;
4799                    }
4800                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4801                        vf.left = mCurLeft;
4802                        vf.top = mCurTop;
4803                        vf.right = mCurRight;
4804                        vf.bottom = mCurBottom;
4805                    } else {
4806                        vf.set(cf);
4807                    }
4808                }
4809            }
4810        }
4811
4812        // TYPE_SYSTEM_ERROR is above the NavigationBar so it can't be allowed to extend over it.
4813        // Also, we don't allow windows in multi-window mode to extend out of the screen.
4814        if ((fl & FLAG_LAYOUT_NO_LIMITS) != 0 && attrs.type != TYPE_SYSTEM_ERROR
4815                && !win.isInMultiWindowMode()) {
4816            df.left = df.top = -10000;
4817            df.right = df.bottom = 10000;
4818            if (attrs.type != TYPE_WALLPAPER) {
4819                of.left = of.top = cf.left = cf.top = vf.left = vf.top = -10000;
4820                of.right = of.bottom = cf.right = cf.bottom = vf.right = vf.bottom = 10000;
4821            }
4822        }
4823
4824        // If the device has a chin (e.g. some watches), a dead area at the bottom of the screen we
4825        // need to provide information to the clients that want to pretend that you can draw there.
4826        // We only want to apply outsets to certain types of windows. For example, we never want to
4827        // apply the outsets to floating dialogs, because they wouldn't make sense there.
4828        final boolean useOutsets = shouldUseOutsets(attrs, fl);
4829        if (isDefaultDisplay && useOutsets) {
4830            osf = mTmpOutsetFrame;
4831            osf.set(cf.left, cf.top, cf.right, cf.bottom);
4832            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
4833            if (outset > 0) {
4834                int rotation = mDisplayRotation;
4835                if (rotation == Surface.ROTATION_0) {
4836                    osf.bottom += outset;
4837                } else if (rotation == Surface.ROTATION_90) {
4838                    osf.right += outset;
4839                } else if (rotation == Surface.ROTATION_180) {
4840                    osf.top -= outset;
4841                } else if (rotation == Surface.ROTATION_270) {
4842                    osf.left -= outset;
4843                }
4844                if (DEBUG_LAYOUT) Slog.v(TAG, "applying bottom outset of " + outset
4845                        + " with rotation " + rotation + ", result: " + osf);
4846            }
4847        }
4848
4849        if (DEBUG_LAYOUT) Slog.v(TAG, "Compute frame " + attrs.getTitle()
4850                + ": sim=#" + Integer.toHexString(sim)
4851                + " attach=" + attached + " type=" + attrs.type
4852                + String.format(" flags=0x%08x", fl)
4853                + " pf=" + pf.toShortString() + " df=" + df.toShortString()
4854                + " of=" + of.toShortString()
4855                + " cf=" + cf.toShortString() + " vf=" + vf.toShortString()
4856                + " dcf=" + dcf.toShortString()
4857                + " sf=" + sf.toShortString()
4858                + " osf=" + (osf == null ? "null" : osf.toShortString()));
4859
4860        win.computeFrameLw(pf, df, of, cf, vf, dcf, sf, osf);
4861
4862        // Dock windows carve out the bottom of the screen, so normal windows
4863        // can't appear underneath them.
4864        if (attrs.type == TYPE_INPUT_METHOD && win.isVisibleOrBehindKeyguardLw()
4865                && win.isDisplayedLw() && !win.getGivenInsetsPendingLw()) {
4866            setLastInputMethodWindowLw(null, null);
4867            offsetInputMethodWindowLw(win);
4868        }
4869        if (attrs.type == TYPE_VOICE_INTERACTION && win.isVisibleOrBehindKeyguardLw()
4870                && !win.getGivenInsetsPendingLw()) {
4871            offsetVoiceInputWindowLw(win);
4872        }
4873    }
4874
4875    private void layoutWallpaper(WindowState win, Rect pf, Rect df, Rect of, Rect cf) {
4876
4877        // The wallpaper also has Real Ultimate Power, but we want to tell
4878        // it about the overscan area.
4879        pf.left = df.left = mOverscanScreenLeft;
4880        pf.top = df.top = mOverscanScreenTop;
4881        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4882        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4883        of.left = cf.left = mUnrestrictedScreenLeft;
4884        of.top = cf.top = mUnrestrictedScreenTop;
4885        of.right = cf.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4886        of.bottom = cf.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4887    }
4888
4889    private void offsetInputMethodWindowLw(WindowState win) {
4890        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4891        top += win.getGivenContentInsetsLw().top;
4892        if (mContentBottom > top) {
4893            mContentBottom = top;
4894        }
4895        if (mVoiceContentBottom > top) {
4896            mVoiceContentBottom = top;
4897        }
4898        top = win.getVisibleFrameLw().top;
4899        top += win.getGivenVisibleInsetsLw().top;
4900        if (mCurBottom > top) {
4901            mCurBottom = top;
4902        }
4903        if (DEBUG_LAYOUT) Slog.v(TAG, "Input method: mDockBottom="
4904                + mDockBottom + " mContentBottom="
4905                + mContentBottom + " mCurBottom=" + mCurBottom);
4906    }
4907
4908    private void offsetVoiceInputWindowLw(WindowState win) {
4909        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4910        top += win.getGivenContentInsetsLw().top;
4911        if (mVoiceContentBottom > top) {
4912            mVoiceContentBottom = top;
4913        }
4914    }
4915
4916    /** {@inheritDoc} */
4917    @Override
4918    public void finishLayoutLw() {
4919        return;
4920    }
4921
4922    /** {@inheritDoc} */
4923    @Override
4924    public void beginPostLayoutPolicyLw(int displayWidth, int displayHeight) {
4925        mTopFullscreenOpaqueWindowState = null;
4926        mTopFullscreenOpaqueOrDimmingWindowState = null;
4927        mTopDockedOpaqueWindowState = null;
4928        mTopDockedOpaqueOrDimmingWindowState = null;
4929        mAppsToBeHidden.clear();
4930        mAppsThatDismissKeyguard.clear();
4931        mForceStatusBar = false;
4932        mForceStatusBarFromKeyguard = false;
4933        mForceStatusBarTransparent = false;
4934        mForcingShowNavBar = false;
4935        mForcingShowNavBarLayer = -1;
4936
4937        mHideLockScreen = false;
4938        mAllowLockscreenWhenOn = false;
4939        mDismissKeyguard = DISMISS_KEYGUARD_NONE;
4940        mShowingLockscreen = false;
4941        mShowingDream = false;
4942        mWinShowWhenLocked = null;
4943        mKeyguardSecure = isKeyguardSecure(mCurrentUserId);
4944        mKeyguardSecureIncludingHidden = mKeyguardSecure
4945                && (mKeyguardDelegate != null && mKeyguardDelegate.isShowing());
4946    }
4947
4948    /** {@inheritDoc} */
4949    @Override
4950    public void applyPostLayoutPolicyLw(WindowState win, WindowManager.LayoutParams attrs,
4951            WindowState attached) {
4952        if (DEBUG_LAYOUT) Slog.i(TAG, "Win " + win + ": isVisibleOrBehindKeyguardLw="
4953                + win.isVisibleOrBehindKeyguardLw());
4954        final int fl = PolicyControl.getWindowFlags(win, attrs);
4955        if (mTopFullscreenOpaqueWindowState == null
4956                && win.isVisibleLw() && attrs.type == TYPE_INPUT_METHOD) {
4957            mForcingShowNavBar = true;
4958            mForcingShowNavBarLayer = win.getSurfaceLayer();
4959        }
4960        if (attrs.type == TYPE_STATUS_BAR) {
4961            if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4962                mForceStatusBarFromKeyguard = true;
4963                mShowingLockscreen = true;
4964            }
4965            if ((attrs.privateFlags & PRIVATE_FLAG_FORCE_STATUS_BAR_VISIBLE_TRANSPARENT) != 0) {
4966                mForceStatusBarTransparent = true;
4967            }
4968        }
4969
4970        boolean appWindow = attrs.type >= FIRST_APPLICATION_WINDOW
4971                && attrs.type < FIRST_SYSTEM_WINDOW;
4972        final boolean showWhenLocked = (fl & FLAG_SHOW_WHEN_LOCKED) != 0;
4973        final boolean dismissKeyguard = (fl & FLAG_DISMISS_KEYGUARD) != 0;
4974        final int stackId = win.getStackId();
4975        if (mTopFullscreenOpaqueWindowState == null &&
4976                win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()) {
4977            if ((fl & FLAG_FORCE_NOT_FULLSCREEN) != 0) {
4978                if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4979                    mForceStatusBarFromKeyguard = true;
4980                } else {
4981                    mForceStatusBar = true;
4982                }
4983            }
4984            if (attrs.type == TYPE_DREAM) {
4985                // If the lockscreen was showing when the dream started then wait
4986                // for the dream to draw before hiding the lockscreen.
4987                if (!mDreamingLockscreen
4988                        || (win.isVisibleLw() && win.hasDrawnLw())) {
4989                    mShowingDream = true;
4990                    appWindow = true;
4991                }
4992            }
4993
4994            final IApplicationToken appToken = win.getAppToken();
4995
4996            // For app windows that are not attached, we decide if all windows in the app they
4997            // represent should be hidden or if we should hide the lockscreen. For attached app
4998            // windows we defer the decision to the window it is attached to.
4999            if (appWindow && attached == null) {
5000                if (showWhenLocked) {
5001                    // Remove any previous windows with the same appToken.
5002                    mAppsToBeHidden.remove(appToken);
5003                    mAppsThatDismissKeyguard.remove(appToken);
5004                    if (mAppsToBeHidden.isEmpty()) {
5005                        if (dismissKeyguard && !mKeyguardSecure) {
5006                            mAppsThatDismissKeyguard.add(appToken);
5007                        } else if (win.isDrawnLw() || win.hasAppShownWindows()) {
5008                            mWinShowWhenLocked = win;
5009                            mHideLockScreen = true;
5010                            mForceStatusBarFromKeyguard = false;
5011                        }
5012                    }
5013                } else if (dismissKeyguard) {
5014                    if (mKeyguardSecure) {
5015                        mAppsToBeHidden.add(appToken);
5016                    } else {
5017                        mAppsToBeHidden.remove(appToken);
5018                    }
5019                    mAppsThatDismissKeyguard.add(appToken);
5020                } else {
5021                    mAppsToBeHidden.add(appToken);
5022                }
5023                if (isFullscreen(attrs) && StackId.normallyFullscreenWindows(stackId)) {
5024                    if (DEBUG_LAYOUT) Slog.v(TAG, "Fullscreen window: " + win);
5025                    mTopFullscreenOpaqueWindowState = win;
5026                    if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
5027                        mTopFullscreenOpaqueOrDimmingWindowState = win;
5028                    }
5029                    if (!mAppsThatDismissKeyguard.isEmpty() &&
5030                            mDismissKeyguard == DISMISS_KEYGUARD_NONE) {
5031                        if (DEBUG_LAYOUT) Slog.v(TAG,
5032                                "Setting mDismissKeyguard true by win " + win);
5033                        mDismissKeyguard = (mWinDismissingKeyguard == win
5034                                && mSecureDismissingKeyguard == mKeyguardSecure)
5035                                ? DISMISS_KEYGUARD_CONTINUE : DISMISS_KEYGUARD_START;
5036                        mWinDismissingKeyguard = win;
5037                        mSecureDismissingKeyguard = mKeyguardSecure;
5038                        mForceStatusBarFromKeyguard = mShowingLockscreen && mKeyguardSecure;
5039                    } else if (mAppsToBeHidden.isEmpty() && showWhenLocked
5040                            && (win.isDrawnLw() || win.hasAppShownWindows())) {
5041                        if (DEBUG_LAYOUT) Slog.v(TAG,
5042                                "Setting mHideLockScreen to true by win " + win);
5043                        mHideLockScreen = true;
5044                        mForceStatusBarFromKeyguard = false;
5045                    }
5046                    if ((fl & FLAG_ALLOW_LOCK_WHILE_SCREEN_ON) != 0) {
5047                        mAllowLockscreenWhenOn = true;
5048                    }
5049                }
5050
5051                if (!mKeyguardHidden && mWinShowWhenLocked != null &&
5052                        mWinShowWhenLocked.getAppToken() != win.getAppToken() &&
5053                        (attrs.flags & FLAG_SHOW_WHEN_LOCKED) == 0) {
5054                    win.hideLw(false);
5055                }
5056            }
5057        } else if (mTopFullscreenOpaqueWindowState == null && mWinShowWhenLocked == null) {
5058            // No TopFullscreenOpaqueWindow is showing, but we found a SHOW_WHEN_LOCKED window
5059            // that is being hidden in an animation - keep the
5060            // keyguard hidden until the new window shows up and
5061            // we know whether to show the keyguard or not.
5062            if (win.isAnimatingLw() && appWindow && showWhenLocked && mKeyguardHidden) {
5063                mHideLockScreen = true;
5064                mWinShowWhenLocked = win;
5065            }
5066        }
5067
5068        final boolean reallyVisible = win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw();
5069
5070        // Voice interaction overrides both top fullscreen and top docked.
5071        if (reallyVisible && win.getAttrs().type == TYPE_VOICE_INTERACTION) {
5072            if (mTopFullscreenOpaqueWindowState == null) {
5073                mTopFullscreenOpaqueWindowState = win;
5074                if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
5075                    mTopFullscreenOpaqueOrDimmingWindowState = win;
5076                }
5077            }
5078            if (mTopDockedOpaqueWindowState == null) {
5079                mTopDockedOpaqueWindowState = win;
5080                if (mTopDockedOpaqueOrDimmingWindowState == null) {
5081                    mTopDockedOpaqueOrDimmingWindowState = win;
5082                }
5083            }
5084        }
5085
5086        // Keep track of the window if it's dimming but not necessarily fullscreen.
5087        if (mTopFullscreenOpaqueOrDimmingWindowState == null && reallyVisible
5088                && win.isDimming() && StackId.normallyFullscreenWindows(stackId)) {
5089            mTopFullscreenOpaqueOrDimmingWindowState = win;
5090        }
5091
5092        // We need to keep track of the top "fullscreen" opaque window for the docked stack
5093        // separately, because both the "real fullscreen" opaque window and the one for the docked
5094        // stack can control View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR.
5095        if (mTopDockedOpaqueWindowState == null && reallyVisible && appWindow && attached == null
5096                && isFullscreen(attrs) && stackId == DOCKED_STACK_ID) {
5097            mTopDockedOpaqueWindowState = win;
5098            if (mTopDockedOpaqueOrDimmingWindowState == null) {
5099                mTopDockedOpaqueOrDimmingWindowState = win;
5100            }
5101        }
5102
5103        // Also keep track of any windows that are dimming but not necessarily fullscreen in the
5104        // docked stack.
5105        if (mTopDockedOpaqueOrDimmingWindowState == null && reallyVisible && win.isDimming()
5106                && stackId == DOCKED_STACK_ID) {
5107            mTopDockedOpaqueOrDimmingWindowState = win;
5108        }
5109    }
5110
5111    private boolean isFullscreen(WindowManager.LayoutParams attrs) {
5112        return attrs.x == 0 && attrs.y == 0
5113                && attrs.width == WindowManager.LayoutParams.MATCH_PARENT
5114                && attrs.height == WindowManager.LayoutParams.MATCH_PARENT;
5115    }
5116
5117    /** {@inheritDoc} */
5118    @Override
5119    public int finishPostLayoutPolicyLw() {
5120        if (mWinShowWhenLocked != null && mTopFullscreenOpaqueWindowState != null &&
5121                mWinShowWhenLocked.getAppToken() != mTopFullscreenOpaqueWindowState.getAppToken()
5122                && isKeyguardLocked()) {
5123            // A dialog is dismissing the keyguard. Put the wallpaper behind it and hide the
5124            // fullscreen window.
5125            // TODO: Make sure FLAG_SHOW_WALLPAPER is restored when dialog is dismissed. Or not.
5126            mWinShowWhenLocked.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
5127            mTopFullscreenOpaqueWindowState.hideLw(false);
5128            mTopFullscreenOpaqueWindowState = mWinShowWhenLocked;
5129        }
5130
5131        int changes = 0;
5132        boolean topIsFullscreen = false;
5133
5134        final WindowManager.LayoutParams lp = (mTopFullscreenOpaqueWindowState != null)
5135                ? mTopFullscreenOpaqueWindowState.getAttrs()
5136                : null;
5137
5138        // If we are not currently showing a dream then remember the current
5139        // lockscreen state.  We will use this to determine whether the dream
5140        // started while the lockscreen was showing and remember this state
5141        // while the dream is showing.
5142        if (!mShowingDream) {
5143            mDreamingLockscreen = mShowingLockscreen;
5144            if (mDreamingSleepTokenNeeded) {
5145                mDreamingSleepTokenNeeded = false;
5146                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 0, 1).sendToTarget();
5147            }
5148        } else {
5149            if (!mDreamingSleepTokenNeeded) {
5150                mDreamingSleepTokenNeeded = true;
5151                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 1, 1).sendToTarget();
5152            }
5153        }
5154
5155        if (mStatusBar != null) {
5156            if (DEBUG_LAYOUT) Slog.i(TAG, "force=" + mForceStatusBar
5157                    + " forcefkg=" + mForceStatusBarFromKeyguard
5158                    + " top=" + mTopFullscreenOpaqueWindowState);
5159            boolean shouldBeTransparent = mForceStatusBarTransparent
5160                    && !mForceStatusBar
5161                    && !mForceStatusBarFromKeyguard;
5162            if (!shouldBeTransparent) {
5163                mStatusBarController.setShowTransparent(false /* transparent */);
5164            } else if (!mStatusBar.isVisibleLw()) {
5165                mStatusBarController.setShowTransparent(true /* transparent */);
5166            }
5167
5168            WindowManager.LayoutParams statusBarAttrs = mStatusBar.getAttrs();
5169            boolean statusBarExpanded = statusBarAttrs.height == MATCH_PARENT
5170                    && statusBarAttrs.width == MATCH_PARENT;
5171            if (mForceStatusBar || mForceStatusBarFromKeyguard || mForceStatusBarTransparent
5172                    || statusBarExpanded) {
5173                if (DEBUG_LAYOUT) Slog.v(TAG, "Showing status bar: forced");
5174                if (mStatusBarController.setBarShowingLw(true)) {
5175                    changes |= FINISH_LAYOUT_REDO_LAYOUT;
5176                }
5177                // Maintain fullscreen layout until incoming animation is complete.
5178                topIsFullscreen = mTopIsFullscreen && mStatusBar.isAnimatingLw();
5179                // Transient status bar on the lockscreen is not allowed
5180                if (mForceStatusBarFromKeyguard && mStatusBarController.isTransientShowing()) {
5181                    mStatusBarController.updateVisibilityLw(false /*transientAllowed*/,
5182                            mLastSystemUiFlags, mLastSystemUiFlags);
5183                }
5184                if (statusBarExpanded && mNavigationBar != null) {
5185                    if (mNavigationBarController.setBarShowingLw(true)) {
5186                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5187                    }
5188                }
5189            } else if (mTopFullscreenOpaqueWindowState != null) {
5190                final int fl = PolicyControl.getWindowFlags(null, lp);
5191                if (localLOGV) {
5192                    Slog.d(TAG, "frame: " + mTopFullscreenOpaqueWindowState.getFrameLw()
5193                            + " shown position: "
5194                            + mTopFullscreenOpaqueWindowState.getShownPositionLw());
5195                    Slog.d(TAG, "attr: " + mTopFullscreenOpaqueWindowState.getAttrs()
5196                            + " lp.flags=0x" + Integer.toHexString(fl));
5197                }
5198                topIsFullscreen = (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0
5199                        || (mLastSystemUiFlags & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
5200                // The subtle difference between the window for mTopFullscreenOpaqueWindowState
5201                // and mTopIsFullscreen is that mTopIsFullscreen is set only if the window
5202                // has the FLAG_FULLSCREEN set.  Not sure if there is another way that to be the
5203                // case though.
5204                if (mStatusBarController.isTransientShowing()) {
5205                    if (mStatusBarController.setBarShowingLw(true)) {
5206                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5207                    }
5208                } else if (topIsFullscreen
5209                        && !mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID)
5210                        && !mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID)) {
5211                    if (DEBUG_LAYOUT) Slog.v(TAG, "** HIDING status bar");
5212                    if (mStatusBarController.setBarShowingLw(false)) {
5213                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5214                    } else {
5215                        if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar already hiding");
5216                    }
5217                } else {
5218                    if (DEBUG_LAYOUT) Slog.v(TAG, "** SHOWING status bar: top is not fullscreen");
5219                    if (mStatusBarController.setBarShowingLw(true)) {
5220                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5221                    }
5222                }
5223            }
5224        }
5225
5226        if (mTopIsFullscreen != topIsFullscreen) {
5227            if (!topIsFullscreen) {
5228                // Force another layout when status bar becomes fully shown.
5229                changes |= FINISH_LAYOUT_REDO_LAYOUT;
5230            }
5231            mTopIsFullscreen = topIsFullscreen;
5232        }
5233
5234        // Hide the key guard if a visible window explicitly specifies that it wants to be
5235        // displayed when the screen is locked.
5236        if (mKeyguardDelegate != null && mStatusBar != null) {
5237            if (localLOGV) Slog.v(TAG, "finishPostLayoutPolicyLw: mHideKeyguard="
5238                    + mHideLockScreen);
5239            if (mDismissKeyguard != DISMISS_KEYGUARD_NONE && !mKeyguardSecure) {
5240                mKeyguardHidden = true;
5241                if (setKeyguardOccludedLw(true)) {
5242                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5243                            | FINISH_LAYOUT_REDO_CONFIG
5244                            | FINISH_LAYOUT_REDO_WALLPAPER;
5245                }
5246                if (mKeyguardDelegate.isShowing()) {
5247                    mHandler.post(new Runnable() {
5248                        @Override
5249                        public void run() {
5250                            mKeyguardDelegate.keyguardDone(false, false);
5251                        }
5252                    });
5253                }
5254            } else if (mHideLockScreen) {
5255                mKeyguardHidden = true;
5256                mWinDismissingKeyguard = null;
5257                if (setKeyguardOccludedLw(true)) {
5258                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5259                            | FINISH_LAYOUT_REDO_CONFIG
5260                            | FINISH_LAYOUT_REDO_WALLPAPER;
5261                }
5262            } else if (mDismissKeyguard != DISMISS_KEYGUARD_NONE) {
5263                mKeyguardHidden = false;
5264                if (setKeyguardOccludedLw(false)) {
5265                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5266                            | FINISH_LAYOUT_REDO_CONFIG
5267                            | FINISH_LAYOUT_REDO_WALLPAPER;
5268                }
5269                if (mDismissKeyguard == DISMISS_KEYGUARD_START) {
5270                    // Only launch the next keyguard unlock window once per window.
5271                    mHandler.post(new Runnable() {
5272                        @Override
5273                        public void run() {
5274                            mKeyguardDelegate.dismiss(false /* allowWhileOccluded */);
5275                        }
5276                    });
5277                }
5278            } else {
5279                mWinDismissingKeyguard = null;
5280                mSecureDismissingKeyguard = false;
5281                mKeyguardHidden = false;
5282                if (setKeyguardOccludedLw(false)) {
5283                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5284                            | FINISH_LAYOUT_REDO_CONFIG
5285                            | FINISH_LAYOUT_REDO_WALLPAPER;
5286                }
5287            }
5288        }
5289
5290        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
5291            // If the navigation bar has been hidden or shown, we need to do another
5292            // layout pass to update that window.
5293            changes |= FINISH_LAYOUT_REDO_LAYOUT;
5294        }
5295
5296        // update since mAllowLockscreenWhenOn might have changed
5297        updateLockScreenTimeout();
5298        return changes;
5299    }
5300
5301    /**
5302     * Updates the occluded state of the Keyguard.
5303     *
5304     * @return Whether the flags have changed and we have to redo the layout.
5305     */
5306    private boolean setKeyguardOccludedLw(boolean isOccluded) {
5307        boolean wasOccluded = mKeyguardOccluded;
5308        boolean showing = mKeyguardDelegate.isShowing();
5309        if (wasOccluded && !isOccluded && showing) {
5310            mKeyguardOccluded = false;
5311            mKeyguardDelegate.setOccluded(false);
5312            mStatusBar.getAttrs().privateFlags |= PRIVATE_FLAG_KEYGUARD;
5313            return true;
5314        } else if (!wasOccluded && isOccluded && showing) {
5315            mKeyguardOccluded = true;
5316            mKeyguardDelegate.setOccluded(true);
5317            mStatusBar.getAttrs().privateFlags &= ~PRIVATE_FLAG_KEYGUARD;
5318            mStatusBar.getAttrs().flags &= ~FLAG_SHOW_WALLPAPER;
5319            return true;
5320        } else {
5321            return false;
5322        }
5323    }
5324
5325    private boolean isStatusBarKeyguard() {
5326        return mStatusBar != null
5327                && (mStatusBar.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
5328    }
5329
5330    @Override
5331    public boolean allowAppAnimationsLw() {
5332        if (isStatusBarKeyguard() || mShowingDream) {
5333            // If keyguard or dreams is currently visible, no reason to animate behind it.
5334            return false;
5335        }
5336        return true;
5337    }
5338
5339    @Override
5340    public int focusChangedLw(WindowState lastFocus, WindowState newFocus) {
5341        mFocusedWindow = newFocus;
5342        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
5343            // If the navigation bar has been hidden or shown, we need to do another
5344            // layout pass to update that window.
5345            return FINISH_LAYOUT_REDO_LAYOUT;
5346        }
5347        return 0;
5348    }
5349
5350    /** {@inheritDoc} */
5351    @Override
5352    public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
5353        // lid changed state
5354        final int newLidState = lidOpen ? LID_OPEN : LID_CLOSED;
5355        if (newLidState == mLidState) {
5356            return;
5357        }
5358
5359        mLidState = newLidState;
5360        applyLidSwitchState();
5361        updateRotation(true);
5362
5363        if (lidOpen) {
5364            wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromLidSwitch,
5365                    "android.policy:LID");
5366        } else if (!mLidControlsSleep) {
5367            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
5368        }
5369    }
5370
5371    @Override
5372    public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) {
5373        int lensCoverState = lensCovered ? CAMERA_LENS_COVERED : CAMERA_LENS_UNCOVERED;
5374        if (mCameraLensCoverState == lensCoverState) {
5375            return;
5376        }
5377        if (mCameraLensCoverState == CAMERA_LENS_COVERED &&
5378                lensCoverState == CAMERA_LENS_UNCOVERED) {
5379            Intent intent;
5380            final boolean keyguardActive = mKeyguardDelegate == null ? false :
5381                    mKeyguardDelegate.isShowing();
5382            if (keyguardActive) {
5383                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);
5384            } else {
5385                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
5386            }
5387            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromCameraLens,
5388                    "android.policy:CAMERA_COVER");
5389            startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
5390        }
5391        mCameraLensCoverState = lensCoverState;
5392    }
5393
5394    void setHdmiPlugged(boolean plugged) {
5395        if (mHdmiPlugged != plugged) {
5396            mHdmiPlugged = plugged;
5397            updateRotation(true, true);
5398            Intent intent = new Intent(ACTION_HDMI_PLUGGED);
5399            intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
5400            intent.putExtra(EXTRA_HDMI_PLUGGED_STATE, plugged);
5401            mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
5402        }
5403    }
5404
5405    void initializeHdmiState() {
5406        boolean plugged = false;
5407        // watch for HDMI plug messages if the hdmi switch exists
5408        if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
5409            mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
5410
5411            final String filename = "/sys/class/switch/hdmi/state";
5412            FileReader reader = null;
5413            try {
5414                reader = new FileReader(filename);
5415                char[] buf = new char[15];
5416                int n = reader.read(buf);
5417                if (n > 1) {
5418                    plugged = 0 != Integer.parseInt(new String(buf, 0, n-1));
5419                }
5420            } catch (IOException ex) {
5421                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
5422            } catch (NumberFormatException ex) {
5423                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
5424            } finally {
5425                if (reader != null) {
5426                    try {
5427                        reader.close();
5428                    } catch (IOException ex) {
5429                    }
5430                }
5431            }
5432        }
5433        // This dance forces the code in setHdmiPlugged to run.
5434        // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
5435        mHdmiPlugged = !plugged;
5436        setHdmiPlugged(!mHdmiPlugged);
5437    }
5438
5439    final Object mScreenshotLock = new Object();
5440    ServiceConnection mScreenshotConnection = null;
5441
5442    final Runnable mScreenshotTimeout = new Runnable() {
5443        @Override public void run() {
5444            synchronized (mScreenshotLock) {
5445                if (mScreenshotConnection != null) {
5446                    mContext.unbindService(mScreenshotConnection);
5447                    mScreenshotConnection = null;
5448                    notifyScreenshotError();
5449                }
5450            }
5451        }
5452    };
5453
5454    // Assume this is called from the Handler thread.
5455    private void takeScreenshot(final int screenshotType) {
5456        synchronized (mScreenshotLock) {
5457            if (mScreenshotConnection != null) {
5458                return;
5459            }
5460            final ComponentName serviceComponent = new ComponentName(SYSUI_PACKAGE,
5461                    SYSUI_SCREENSHOT_SERVICE);
5462            final Intent serviceIntent = new Intent();
5463            serviceIntent.setComponent(serviceComponent);
5464            ServiceConnection conn = new ServiceConnection() {
5465                @Override
5466                public void onServiceConnected(ComponentName name, IBinder service) {
5467                    synchronized (mScreenshotLock) {
5468                        if (mScreenshotConnection != this) {
5469                            return;
5470                        }
5471                        Messenger messenger = new Messenger(service);
5472                        Message msg = Message.obtain(null, screenshotType);
5473                        final ServiceConnection myConn = this;
5474                        Handler h = new Handler(mHandler.getLooper()) {
5475                            @Override
5476                            public void handleMessage(Message msg) {
5477                                synchronized (mScreenshotLock) {
5478                                    if (mScreenshotConnection == myConn) {
5479                                        mContext.unbindService(mScreenshotConnection);
5480                                        mScreenshotConnection = null;
5481                                        mHandler.removeCallbacks(mScreenshotTimeout);
5482                                    }
5483                                }
5484                            }
5485                        };
5486                        msg.replyTo = new Messenger(h);
5487                        msg.arg1 = msg.arg2 = 0;
5488                        if (mStatusBar != null && mStatusBar.isVisibleLw())
5489                            msg.arg1 = 1;
5490                        if (mNavigationBar != null && mNavigationBar.isVisibleLw())
5491                            msg.arg2 = 1;
5492                        try {
5493                            messenger.send(msg);
5494                        } catch (RemoteException e) {
5495                        }
5496                    }
5497                }
5498
5499                @Override
5500                public void onServiceDisconnected(ComponentName name) {
5501                    notifyScreenshotError();
5502                }
5503            };
5504            if (mContext.bindServiceAsUser(serviceIntent, conn,
5505                    Context.BIND_AUTO_CREATE | Context.BIND_FOREGROUND_SERVICE_WHILE_AWAKE,
5506                    UserHandle.CURRENT)) {
5507                mScreenshotConnection = conn;
5508                mHandler.postDelayed(mScreenshotTimeout, 10000);
5509            }
5510        }
5511    }
5512
5513    /**
5514     * Notifies the screenshot service to show an error.
5515     */
5516    private void notifyScreenshotError() {
5517        // If the service process is killed, then ask it to clean up after itself
5518        final ComponentName errorComponent = new ComponentName(SYSUI_PACKAGE,
5519                SYSUI_SCREENSHOT_ERROR_RECEIVER);
5520        Intent errorIntent = new Intent(Intent.ACTION_USER_PRESENT);
5521        errorIntent.setComponent(errorComponent);
5522        errorIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT |
5523                Intent.FLAG_RECEIVER_FOREGROUND);
5524        mContext.sendBroadcastAsUser(errorIntent, UserHandle.CURRENT);
5525    }
5526
5527    /** {@inheritDoc} */
5528    @Override
5529    public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) {
5530        if (!mSystemBooted) {
5531            // If we have not yet booted, don't let key events do anything.
5532            return 0;
5533        }
5534
5535        final boolean interactive = (policyFlags & FLAG_INTERACTIVE) != 0;
5536        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
5537        final boolean canceled = event.isCanceled();
5538        final int keyCode = event.getKeyCode();
5539
5540        final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;
5541
5542        // If screen is off then we treat the case where the keyguard is open but hidden
5543        // the same as if it were open and in front.
5544        // This will prevent any keys other than the power button from waking the screen
5545        // when the keyguard is hidden by another activity.
5546        final boolean keyguardActive = (mKeyguardDelegate == null ? false :
5547                                            (interactive ?
5548                                                isKeyguardShowingAndNotOccluded() :
5549                                                mKeyguardDelegate.isShowing()));
5550
5551        if (DEBUG_INPUT) {
5552            Log.d(TAG, "interceptKeyTq keycode=" + keyCode
5553                    + " interactive=" + interactive + " keyguardActive=" + keyguardActive
5554                    + " policyFlags=" + Integer.toHexString(policyFlags));
5555        }
5556
5557        // Basic policy based on interactive state.
5558        int result;
5559        boolean isWakeKey = (policyFlags & WindowManagerPolicy.FLAG_WAKE) != 0
5560                || event.isWakeKey();
5561        if (interactive || (isInjected && !isWakeKey)) {
5562            // When the device is interactive or the key is injected pass the
5563            // key to the application.
5564            result = ACTION_PASS_TO_USER;
5565            isWakeKey = false;
5566
5567            if (interactive) {
5568                // If the screen is awake, but the button pressed was the one that woke the device
5569                // then don't pass it to the application
5570                if (keyCode == mPendingWakeKey && !down) {
5571                    result = 0;
5572                }
5573                // Reset the pending key
5574                mPendingWakeKey = PENDING_KEY_NULL;
5575            }
5576        } else if (!interactive && shouldDispatchInputWhenNonInteractive(event)) {
5577            // If we're currently dozing with the screen on and the keyguard showing, pass the key
5578            // to the application but preserve its wake key status to make sure we still move
5579            // from dozing to fully interactive if we would normally go from off to fully
5580            // interactive.
5581            result = ACTION_PASS_TO_USER;
5582            // Since we're dispatching the input, reset the pending key
5583            mPendingWakeKey = PENDING_KEY_NULL;
5584        } else {
5585            // When the screen is off and the key is not injected, determine whether
5586            // to wake the device but don't pass the key to the application.
5587            result = 0;
5588            if (isWakeKey && (!down || !isWakeKeyWhenScreenOff(keyCode))) {
5589                isWakeKey = false;
5590            }
5591            // Cache the wake key on down event so we can also avoid sending the up event to the app
5592            if (isWakeKey && down) {
5593                mPendingWakeKey = keyCode;
5594            }
5595        }
5596
5597        // If the key would be handled globally, just return the result, don't worry about special
5598        // key processing.
5599        if (isValidGlobalKey(keyCode)
5600                && mGlobalKeyManager.shouldHandleGlobalKey(keyCode, event)) {
5601            if (isWakeKey) {
5602                wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5603            }
5604            return result;
5605        }
5606
5607        boolean useHapticFeedback = down
5608                && (policyFlags & WindowManagerPolicy.FLAG_VIRTUAL) != 0
5609                && event.getRepeatCount() == 0;
5610
5611        // Handle special keys.
5612        switch (keyCode) {
5613            case KeyEvent.KEYCODE_BACK: {
5614                if (down) {
5615                    mBackKeyHandled = false;
5616                    if (hasLongPressOnBackBehavior()) {
5617                        Message msg = mHandler.obtainMessage(MSG_BACK_LONG_PRESS);
5618                        msg.setAsynchronous(true);
5619                        mHandler.sendMessageDelayed(msg,
5620                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
5621                    }
5622                } else {
5623                    boolean handled = mBackKeyHandled;
5624
5625                    // Reset back key state
5626                    cancelPendingBackKeyAction();
5627
5628                    // Don't pass back press to app if we've already handled it
5629                    if (handled) {
5630                        result &= ~ACTION_PASS_TO_USER;
5631                    }
5632                }
5633                break;
5634            }
5635
5636            case KeyEvent.KEYCODE_VOLUME_DOWN:
5637            case KeyEvent.KEYCODE_VOLUME_UP:
5638            case KeyEvent.KEYCODE_VOLUME_MUTE: {
5639                if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
5640                    if (down) {
5641                        if (interactive && !mScreenshotChordVolumeDownKeyTriggered
5642                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5643                            mScreenshotChordVolumeDownKeyTriggered = true;
5644                            mScreenshotChordVolumeDownKeyTime = event.getDownTime();
5645                            mScreenshotChordVolumeDownKeyConsumed = false;
5646                            cancelPendingPowerKeyAction();
5647                            interceptScreenshotChord();
5648                        }
5649                    } else {
5650                        mScreenshotChordVolumeDownKeyTriggered = false;
5651                        cancelPendingScreenshotChordAction();
5652                    }
5653                } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
5654                    if (down) {
5655                        if (interactive && !mScreenshotChordVolumeUpKeyTriggered
5656                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5657                            mScreenshotChordVolumeUpKeyTriggered = true;
5658                            cancelPendingPowerKeyAction();
5659                            cancelPendingScreenshotChordAction();
5660                        }
5661                    } else {
5662                        mScreenshotChordVolumeUpKeyTriggered = false;
5663                        cancelPendingScreenshotChordAction();
5664                    }
5665                }
5666                if (down) {
5667                    TelecomManager telecomManager = getTelecommService();
5668                    if (telecomManager != null) {
5669                        if (telecomManager.isRinging()) {
5670                            // If an incoming call is ringing, either VOLUME key means
5671                            // "silence ringer".  We handle these keys here, rather than
5672                            // in the InCallScreen, to make sure we'll respond to them
5673                            // even if the InCallScreen hasn't come to the foreground yet.
5674                            // Look for the DOWN event here, to agree with the "fallback"
5675                            // behavior in the InCallScreen.
5676                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5677                                  + " VOLUME key-down while ringing: Silence ringer!");
5678
5679                            // Silence the ringer.  (It's safe to call this
5680                            // even if the ringer has already been silenced.)
5681                            telecomManager.silenceRinger();
5682
5683                            // And *don't* pass this key thru to the current activity
5684                            // (which is probably the InCallScreen.)
5685                            result &= ~ACTION_PASS_TO_USER;
5686                            break;
5687                        }
5688                        if (telecomManager.isInCall()
5689                                && (result & ACTION_PASS_TO_USER) == 0) {
5690                            // If we are in call but we decided not to pass the key to
5691                            // the application, just pass it to the session service.
5692
5693                            MediaSessionLegacyHelper.getHelper(mContext)
5694                                    .sendVolumeKeyEvent(event, false);
5695                            break;
5696                        }
5697                    }
5698                }
5699                if (mUseTvRouting) {
5700                    // On TVs, defer special key handlings to
5701                    // {@link interceptKeyBeforeDispatching()}.
5702                    result |= ACTION_PASS_TO_USER;
5703                } else if ((result & ACTION_PASS_TO_USER) == 0) {
5704                    // If we aren't passing to the user and no one else
5705                    // handled it send it to the session manager to
5706                    // figure out.
5707                    MediaSessionLegacyHelper.getHelper(mContext)
5708                            .sendVolumeKeyEvent(event, true);
5709                }
5710                break;
5711            }
5712
5713            case KeyEvent.KEYCODE_ENDCALL: {
5714                result &= ~ACTION_PASS_TO_USER;
5715                if (down) {
5716                    TelecomManager telecomManager = getTelecommService();
5717                    boolean hungUp = false;
5718                    if (telecomManager != null) {
5719                        hungUp = telecomManager.endCall();
5720                    }
5721                    if (interactive && !hungUp) {
5722                        mEndCallKeyHandled = false;
5723                        mHandler.postDelayed(mEndCallLongPress,
5724                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
5725                    } else {
5726                        mEndCallKeyHandled = true;
5727                    }
5728                } else {
5729                    if (!mEndCallKeyHandled) {
5730                        mHandler.removeCallbacks(mEndCallLongPress);
5731                        if (!canceled) {
5732                            if ((mEndcallBehavior
5733                                    & Settings.System.END_BUTTON_BEHAVIOR_HOME) != 0) {
5734                                if (goHome()) {
5735                                    break;
5736                                }
5737                            }
5738                            if ((mEndcallBehavior
5739                                    & Settings.System.END_BUTTON_BEHAVIOR_SLEEP) != 0) {
5740                                mPowerManager.goToSleep(event.getEventTime(),
5741                                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
5742                                isWakeKey = false;
5743                            }
5744                        }
5745                    }
5746                }
5747                break;
5748            }
5749
5750            case KeyEvent.KEYCODE_POWER: {
5751                result &= ~ACTION_PASS_TO_USER;
5752                isWakeKey = false; // wake-up will be handled separately
5753                if (down) {
5754                    interceptPowerKeyDown(event, interactive);
5755                } else {
5756                    interceptPowerKeyUp(event, interactive, canceled);
5757                }
5758                break;
5759            }
5760
5761            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_DOWN:
5762                // fall through
5763            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_UP:
5764                // fall through
5765            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_LEFT:
5766                // fall through
5767            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_RIGHT: {
5768                result &= ~ACTION_PASS_TO_USER;
5769                interceptSystemNavigationKey(event);
5770                break;
5771            }
5772
5773            case KeyEvent.KEYCODE_SLEEP: {
5774                result &= ~ACTION_PASS_TO_USER;
5775                isWakeKey = false;
5776                if (!mPowerManager.isInteractive()) {
5777                    useHapticFeedback = false; // suppress feedback if already non-interactive
5778                }
5779                if (down) {
5780                    sleepPress(event.getEventTime());
5781                } else {
5782                    sleepRelease(event.getEventTime());
5783                }
5784                break;
5785            }
5786
5787            case KeyEvent.KEYCODE_SOFT_SLEEP: {
5788                result &= ~ACTION_PASS_TO_USER;
5789                isWakeKey = false;
5790                if (!down) {
5791                    mPowerManagerInternal.setUserInactiveOverrideFromWindowManager();
5792                }
5793                break;
5794            }
5795
5796            case KeyEvent.KEYCODE_WAKEUP: {
5797                result &= ~ACTION_PASS_TO_USER;
5798                isWakeKey = true;
5799                break;
5800            }
5801
5802            case KeyEvent.KEYCODE_MEDIA_PLAY:
5803            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5804            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5805            case KeyEvent.KEYCODE_HEADSETHOOK:
5806            case KeyEvent.KEYCODE_MUTE:
5807            case KeyEvent.KEYCODE_MEDIA_STOP:
5808            case KeyEvent.KEYCODE_MEDIA_NEXT:
5809            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5810            case KeyEvent.KEYCODE_MEDIA_REWIND:
5811            case KeyEvent.KEYCODE_MEDIA_RECORD:
5812            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5813            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: {
5814                if (MediaSessionLegacyHelper.getHelper(mContext).isGlobalPriorityActive()) {
5815                    // If the global session is active pass all media keys to it
5816                    // instead of the active window.
5817                    result &= ~ACTION_PASS_TO_USER;
5818                }
5819                if ((result & ACTION_PASS_TO_USER) == 0) {
5820                    // Only do this if we would otherwise not pass it to the user. In that
5821                    // case, the PhoneWindow class will do the same thing, except it will
5822                    // only do it if the showing app doesn't process the key on its own.
5823                    // Note that we need to make a copy of the key event here because the
5824                    // original key event will be recycled when we return.
5825                    mBroadcastWakeLock.acquire();
5826                    Message msg = mHandler.obtainMessage(MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK,
5827                            new KeyEvent(event));
5828                    msg.setAsynchronous(true);
5829                    msg.sendToTarget();
5830                }
5831                break;
5832            }
5833
5834            case KeyEvent.KEYCODE_CALL: {
5835                if (down) {
5836                    TelecomManager telecomManager = getTelecommService();
5837                    if (telecomManager != null) {
5838                        if (telecomManager.isRinging()) {
5839                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5840                                  + " CALL key-down while ringing: Answer the call!");
5841                            telecomManager.acceptRingingCall();
5842
5843                            // And *don't* pass this key thru to the current activity
5844                            // (which is presumably the InCallScreen.)
5845                            result &= ~ACTION_PASS_TO_USER;
5846                        }
5847                    }
5848                }
5849                break;
5850            }
5851            case KeyEvent.KEYCODE_VOICE_ASSIST: {
5852                // Only do this if we would otherwise not pass it to the user. In that case,
5853                // interceptKeyBeforeDispatching would apply a similar but different policy in
5854                // order to invoke voice assist actions. Note that we need to make a copy of the
5855                // key event here because the original key event will be recycled when we return.
5856                if ((result & ACTION_PASS_TO_USER) == 0 && !down) {
5857                    mBroadcastWakeLock.acquire();
5858                    Message msg = mHandler.obtainMessage(MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK,
5859                            keyguardActive ? 1 : 0, 0);
5860                    msg.setAsynchronous(true);
5861                    msg.sendToTarget();
5862                }
5863                break;
5864            }
5865            case KeyEvent.KEYCODE_WINDOW: {
5866                if (mShortPressWindowBehavior == SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE) {
5867                    if (mTvPictureInPictureVisible) {
5868                        // Consumes the key only if picture-in-picture is visible
5869                        // to show picture-in-picture control menu.
5870                        // This gives a chance to the foreground activity
5871                        // to customize PIP key behavior.
5872                        if (!down) {
5873                            showTvPictureInPictureMenu(event);
5874                        }
5875                        result &= ~ACTION_PASS_TO_USER;
5876                    }
5877                }
5878                break;
5879            }
5880        }
5881
5882        if (useHapticFeedback) {
5883            performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
5884        }
5885
5886        if (isWakeKey) {
5887            wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5888        }
5889
5890        return result;
5891    }
5892
5893    /**
5894     * Handle statusbar expansion events.
5895     * @param event
5896     */
5897    private void interceptSystemNavigationKey(KeyEvent event) {
5898        if (event.getAction() == KeyEvent.ACTION_UP && areSystemNavigationKeysEnabled()) {
5899            IStatusBarService sbar = getStatusBarService();
5900            if (sbar != null) {
5901                try {
5902                    sbar.handleSystemNavigationKey(event.getKeyCode());
5903                } catch (RemoteException e1) {
5904                    // oops, no statusbar. Ignore event.
5905                }
5906            }
5907        }
5908    }
5909
5910    /**
5911     * Returns true if the key can have global actions attached to it.
5912     * We reserve all power management keys for the system since they require
5913     * very careful handling.
5914     */
5915    private static boolean isValidGlobalKey(int keyCode) {
5916        switch (keyCode) {
5917            case KeyEvent.KEYCODE_POWER:
5918            case KeyEvent.KEYCODE_WAKEUP:
5919            case KeyEvent.KEYCODE_SLEEP:
5920                return false;
5921            default:
5922                return true;
5923        }
5924    }
5925
5926    /**
5927     * When the screen is off we ignore some keys that might otherwise typically
5928     * be considered wake keys.  We filter them out here.
5929     *
5930     * {@link KeyEvent#KEYCODE_POWER} is notably absent from this list because it
5931     * is always considered a wake key.
5932     */
5933    private boolean isWakeKeyWhenScreenOff(int keyCode) {
5934        switch (keyCode) {
5935            // ignore volume keys unless docked
5936            case KeyEvent.KEYCODE_VOLUME_UP:
5937            case KeyEvent.KEYCODE_VOLUME_DOWN:
5938            case KeyEvent.KEYCODE_VOLUME_MUTE:
5939                return mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;
5940
5941            // ignore media and camera keys
5942            case KeyEvent.KEYCODE_MUTE:
5943            case KeyEvent.KEYCODE_HEADSETHOOK:
5944            case KeyEvent.KEYCODE_MEDIA_PLAY:
5945            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5946            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5947            case KeyEvent.KEYCODE_MEDIA_STOP:
5948            case KeyEvent.KEYCODE_MEDIA_NEXT:
5949            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5950            case KeyEvent.KEYCODE_MEDIA_REWIND:
5951            case KeyEvent.KEYCODE_MEDIA_RECORD:
5952            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5953            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK:
5954            case KeyEvent.KEYCODE_CAMERA:
5955                return false;
5956        }
5957        return true;
5958    }
5959
5960
5961    /** {@inheritDoc} */
5962    @Override
5963    public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) {
5964        if ((policyFlags & FLAG_WAKE) != 0) {
5965            if (wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotion,
5966                    "android.policy:MOTION")) {
5967                return 0;
5968            }
5969        }
5970
5971        if (shouldDispatchInputWhenNonInteractive(null)) {
5972            return ACTION_PASS_TO_USER;
5973        }
5974
5975        // If we have not passed the action up and we are in theater mode without dreaming,
5976        // there will be no dream to intercept the touch and wake into ambient.  The device should
5977        // wake up in this case.
5978        if (isTheaterModeEnabled() && (policyFlags & FLAG_WAKE) != 0) {
5979            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotionWhenNotDreaming,
5980                    "android.policy:MOTION");
5981        }
5982
5983        return 0;
5984    }
5985
5986    private boolean shouldDispatchInputWhenNonInteractive(KeyEvent event) {
5987        final boolean displayOff = (mDisplay == null || mDisplay.getState() == Display.STATE_OFF);
5988
5989        if (displayOff && !mHasFeatureWatch) {
5990            return false;
5991        }
5992
5993        // Send events to keyguard while the screen is on and it's showing.
5994        if (isKeyguardShowingAndNotOccluded() && !displayOff) {
5995            return true;
5996        }
5997
5998        // Watches handle BACK specially
5999        if (mHasFeatureWatch
6000                && event != null
6001                && (event.getKeyCode() == KeyEvent.KEYCODE_BACK
6002                        || event.getKeyCode() == KeyEvent.KEYCODE_STEM_PRIMARY)) {
6003            return false;
6004        }
6005
6006        // Send events to a dozing dream even if the screen is off since the dream
6007        // is in control of the state of the screen.
6008        IDreamManager dreamManager = getDreamManager();
6009
6010        try {
6011            if (dreamManager != null && dreamManager.isDreaming()) {
6012                return true;
6013            }
6014        } catch (RemoteException e) {
6015            Slog.e(TAG, "RemoteException when checking if dreaming", e);
6016        }
6017
6018        // Otherwise, consume events since the user can't see what is being
6019        // interacted with.
6020        return false;
6021    }
6022
6023    private void dispatchDirectAudioEvent(KeyEvent event) {
6024        if (event.getAction() != KeyEvent.ACTION_DOWN) {
6025            return;
6026        }
6027        int keyCode = event.getKeyCode();
6028        int flags = AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_PLAY_SOUND
6029                | AudioManager.FLAG_FROM_KEY;
6030        String pkgName = mContext.getOpPackageName();
6031        switch (keyCode) {
6032            case KeyEvent.KEYCODE_VOLUME_UP:
6033                try {
6034                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_RAISE,
6035                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6036                } catch (RemoteException e) {
6037                    Log.e(TAG, "Error dispatching volume up in dispatchTvAudioEvent.", e);
6038                }
6039                break;
6040            case KeyEvent.KEYCODE_VOLUME_DOWN:
6041                try {
6042                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_LOWER,
6043                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6044                } catch (RemoteException e) {
6045                    Log.e(TAG, "Error dispatching volume down in dispatchTvAudioEvent.", e);
6046                }
6047                break;
6048            case KeyEvent.KEYCODE_VOLUME_MUTE:
6049                try {
6050                    if (event.getRepeatCount() == 0) {
6051                        getAudioService().adjustSuggestedStreamVolume(
6052                                AudioManager.ADJUST_TOGGLE_MUTE,
6053                                AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6054                    }
6055                } catch (RemoteException e) {
6056                    Log.e(TAG, "Error dispatching mute in dispatchTvAudioEvent.", e);
6057                }
6058                break;
6059        }
6060    }
6061
6062    void dispatchMediaKeyWithWakeLock(KeyEvent event) {
6063        if (DEBUG_INPUT) {
6064            Slog.d(TAG, "dispatchMediaKeyWithWakeLock: " + event);
6065        }
6066
6067        if (mHavePendingMediaKeyRepeatWithWakeLock) {
6068            if (DEBUG_INPUT) {
6069                Slog.d(TAG, "dispatchMediaKeyWithWakeLock: canceled repeat");
6070            }
6071
6072            mHandler.removeMessages(MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK);
6073            mHavePendingMediaKeyRepeatWithWakeLock = false;
6074            mBroadcastWakeLock.release(); // pending repeat was holding onto the wake lock
6075        }
6076
6077        dispatchMediaKeyWithWakeLockToAudioService(event);
6078
6079        if (event.getAction() == KeyEvent.ACTION_DOWN
6080                && event.getRepeatCount() == 0) {
6081            mHavePendingMediaKeyRepeatWithWakeLock = true;
6082
6083            Message msg = mHandler.obtainMessage(
6084                    MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK, event);
6085            msg.setAsynchronous(true);
6086            mHandler.sendMessageDelayed(msg, ViewConfiguration.getKeyRepeatTimeout());
6087        } else {
6088            mBroadcastWakeLock.release();
6089        }
6090    }
6091
6092    void dispatchMediaKeyRepeatWithWakeLock(KeyEvent event) {
6093        mHavePendingMediaKeyRepeatWithWakeLock = false;
6094
6095        KeyEvent repeatEvent = KeyEvent.changeTimeRepeat(event,
6096                SystemClock.uptimeMillis(), 1, event.getFlags() | KeyEvent.FLAG_LONG_PRESS);
6097        if (DEBUG_INPUT) {
6098            Slog.d(TAG, "dispatchMediaKeyRepeatWithWakeLock: " + repeatEvent);
6099        }
6100
6101        dispatchMediaKeyWithWakeLockToAudioService(repeatEvent);
6102        mBroadcastWakeLock.release();
6103    }
6104
6105    void dispatchMediaKeyWithWakeLockToAudioService(KeyEvent event) {
6106        if (ActivityManagerNative.isSystemReady()) {
6107            MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(event, true);
6108        }
6109    }
6110
6111    void launchVoiceAssistWithWakeLock(boolean keyguardActive) {
6112        IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
6113                ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
6114        if (dic != null) {
6115            try {
6116                dic.exitIdle("voice-search");
6117            } catch (RemoteException e) {
6118            }
6119        }
6120        Intent voiceIntent =
6121            new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
6122        voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, keyguardActive);
6123        startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
6124        mBroadcastWakeLock.release();
6125    }
6126
6127    BroadcastReceiver mDockReceiver = new BroadcastReceiver() {
6128        @Override
6129        public void onReceive(Context context, Intent intent) {
6130            if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
6131                mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
6132                        Intent.EXTRA_DOCK_STATE_UNDOCKED);
6133            } else {
6134                try {
6135                    IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
6136                            ServiceManager.getService(Context.UI_MODE_SERVICE));
6137                    mUiMode = uiModeService.getCurrentModeType();
6138                } catch (RemoteException e) {
6139                }
6140            }
6141            updateRotation(true);
6142            synchronized (mLock) {
6143                updateOrientationListenerLp();
6144            }
6145        }
6146    };
6147
6148    BroadcastReceiver mDreamReceiver = new BroadcastReceiver() {
6149        @Override
6150        public void onReceive(Context context, Intent intent) {
6151            if (Intent.ACTION_DREAMING_STARTED.equals(intent.getAction())) {
6152                if (mKeyguardDelegate != null) {
6153                    mKeyguardDelegate.onDreamingStarted();
6154                }
6155            } else if (Intent.ACTION_DREAMING_STOPPED.equals(intent.getAction())) {
6156                if (mKeyguardDelegate != null) {
6157                    mKeyguardDelegate.onDreamingStopped();
6158                }
6159            }
6160        }
6161    };
6162
6163    BroadcastReceiver mMultiuserReceiver = new BroadcastReceiver() {
6164        @Override
6165        public void onReceive(Context context, Intent intent) {
6166            if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) {
6167                // tickle the settings observer: this first ensures that we're
6168                // observing the relevant settings for the newly-active user,
6169                // and then updates our own bookkeeping based on the now-
6170                // current user.
6171                mSettingsObserver.onChange(false);
6172
6173                // force a re-application of focused window sysui visibility.
6174                // the window may never have been shown for this user
6175                // e.g. the keyguard when going through the new-user setup flow
6176                synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6177                    mLastSystemUiFlags = 0;
6178                    updateSystemUiVisibilityLw();
6179                }
6180            }
6181        }
6182    };
6183
6184    private final Runnable mHiddenNavPanic = new Runnable() {
6185        @Override
6186        public void run() {
6187            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6188                if (!isUserSetupComplete()) {
6189                    // Swipe-up for navigation bar is disabled during setup
6190                    return;
6191                }
6192                mPendingPanicGestureUptime = SystemClock.uptimeMillis();
6193                if (!isNavBarEmpty(mLastSystemUiFlags)) {
6194                    mNavigationBarController.showTransient();
6195                }
6196            }
6197        }
6198    };
6199
6200    private void requestTransientBars(WindowState swipeTarget) {
6201        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6202            if (!isUserSetupComplete()) {
6203                // Swipe-up for navigation bar is disabled during setup
6204                return;
6205            }
6206            boolean sb = mStatusBarController.checkShowTransientBarLw();
6207            boolean nb = mNavigationBarController.checkShowTransientBarLw()
6208                    && !isNavBarEmpty(mLastSystemUiFlags);
6209            if (sb || nb) {
6210                // Don't show status bar when swiping on already visible navigation bar
6211                if (!nb && swipeTarget == mNavigationBar) {
6212                    if (DEBUG) Slog.d(TAG, "Not showing transient bar, wrong swipe target");
6213                    return;
6214                }
6215                if (sb) mStatusBarController.showTransient();
6216                if (nb) mNavigationBarController.showTransient();
6217                mImmersiveModeConfirmation.confirmCurrentPrompt();
6218                updateSystemUiVisibilityLw();
6219            }
6220        }
6221    }
6222
6223    // Called on the PowerManager's Notifier thread.
6224    @Override
6225    public void startedGoingToSleep(int why) {
6226        if (DEBUG_WAKEUP) Slog.i(TAG, "Started going to sleep... (why=" + why + ")");
6227        mCameraGestureTriggeredDuringGoingToSleep = false;
6228        mGoingToSleep = true;
6229        if (mKeyguardDelegate != null) {
6230            mKeyguardDelegate.onStartedGoingToSleep(why);
6231        }
6232    }
6233
6234    // Called on the PowerManager's Notifier thread.
6235    @Override
6236    public void finishedGoingToSleep(int why) {
6237        EventLog.writeEvent(70000, 0);
6238        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished going to sleep... (why=" + why + ")");
6239        MetricsLogger.histogram(mContext, "screen_timeout", mLockScreenTimeout / 1000);
6240
6241        mGoingToSleep = false;
6242
6243        // We must get this work done here because the power manager will drop
6244        // the wake lock and let the system suspend once this function returns.
6245        synchronized (mLock) {
6246            mAwake = false;
6247            updateWakeGestureListenerLp();
6248            updateOrientationListenerLp();
6249            updateLockScreenTimeout();
6250        }
6251        if (mKeyguardDelegate != null) {
6252            mKeyguardDelegate.onFinishedGoingToSleep(why,
6253                    mCameraGestureTriggeredDuringGoingToSleep);
6254        }
6255        mCameraGestureTriggeredDuringGoingToSleep = false;
6256    }
6257
6258    // Called on the PowerManager's Notifier thread.
6259    @Override
6260    public void startedWakingUp() {
6261        EventLog.writeEvent(70000, 1);
6262        if (DEBUG_WAKEUP) Slog.i(TAG, "Started waking up...");
6263
6264        // Since goToSleep performs these functions synchronously, we must
6265        // do the same here.  We cannot post this work to a handler because
6266        // that might cause it to become reordered with respect to what
6267        // may happen in a future call to goToSleep.
6268        synchronized (mLock) {
6269            mAwake = true;
6270
6271            updateWakeGestureListenerLp();
6272            updateOrientationListenerLp();
6273            updateLockScreenTimeout();
6274        }
6275
6276        if (mKeyguardDelegate != null) {
6277            mKeyguardDelegate.onStartedWakingUp();
6278        }
6279    }
6280
6281    // Called on the PowerManager's Notifier thread.
6282    @Override
6283    public void finishedWakingUp() {
6284        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished waking up...");
6285    }
6286
6287    private void wakeUpFromPowerKey(long eventTime) {
6288        wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey, "android.policy:POWER");
6289    }
6290
6291    private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode, String reason) {
6292        final boolean theaterModeEnabled = isTheaterModeEnabled();
6293        if (!wakeInTheaterMode && theaterModeEnabled) {
6294            return false;
6295        }
6296
6297        if (theaterModeEnabled) {
6298            Settings.Global.putInt(mContext.getContentResolver(),
6299                    Settings.Global.THEATER_MODE_ON, 0);
6300        }
6301
6302        mPowerManager.wakeUp(wakeTime, reason);
6303        return true;
6304    }
6305
6306    private void finishKeyguardDrawn() {
6307        synchronized (mLock) {
6308            if (!mScreenOnEarly || mKeyguardDrawComplete) {
6309                return; // We are not awake yet or we have already informed of this event.
6310            }
6311
6312            mKeyguardDrawComplete = true;
6313            if (mKeyguardDelegate != null) {
6314                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
6315            }
6316            mWindowManagerDrawComplete = false;
6317        }
6318
6319        // ... eventually calls finishWindowsDrawn which will finalize our screen turn on
6320        // as well as enabling the orientation change logic/sensor.
6321        mWindowManagerInternal.waitForAllWindowsDrawn(mWindowManagerDrawCallback,
6322                WAITING_FOR_DRAWN_TIMEOUT);
6323    }
6324
6325    // Called on the DisplayManager's DisplayPowerController thread.
6326    @Override
6327    public void screenTurnedOff() {
6328        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turned off...");
6329
6330        updateScreenOffSleepToken(true);
6331        synchronized (mLock) {
6332            mScreenOnEarly = false;
6333            mScreenOnFully = false;
6334            mKeyguardDrawComplete = false;
6335            mWindowManagerDrawComplete = false;
6336            mScreenOnListener = null;
6337            updateOrientationListenerLp();
6338
6339            if (mKeyguardDelegate != null) {
6340                mKeyguardDelegate.onScreenTurnedOff();
6341            }
6342        }
6343    }
6344
6345    // Called on the DisplayManager's DisplayPowerController thread.
6346    @Override
6347    public void screenTurningOn(final ScreenOnListener screenOnListener) {
6348        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turning on...");
6349
6350        updateScreenOffSleepToken(false);
6351        synchronized (mLock) {
6352            mScreenOnEarly = true;
6353            mScreenOnFully = false;
6354            mKeyguardDrawComplete = false;
6355            mWindowManagerDrawComplete = false;
6356            mScreenOnListener = screenOnListener;
6357
6358            if (mKeyguardDelegate != null) {
6359                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
6360                mHandler.sendEmptyMessageDelayed(MSG_KEYGUARD_DRAWN_TIMEOUT, 1000);
6361                mKeyguardDelegate.onScreenTurningOn(mKeyguardDrawnCallback);
6362            } else {
6363                if (DEBUG_WAKEUP) Slog.d(TAG,
6364                        "null mKeyguardDelegate: setting mKeyguardDrawComplete.");
6365                finishKeyguardDrawn();
6366            }
6367        }
6368    }
6369
6370    // Called on the DisplayManager's DisplayPowerController thread.
6371    @Override
6372    public void screenTurnedOn() {
6373        synchronized (mLock) {
6374            if (mKeyguardDelegate != null) {
6375                mKeyguardDelegate.onScreenTurnedOn();
6376            }
6377        }
6378    }
6379
6380    private void finishWindowsDrawn() {
6381        synchronized (mLock) {
6382            if (!mScreenOnEarly || mWindowManagerDrawComplete) {
6383                return; // Screen is not turned on or we did already handle this case earlier.
6384            }
6385
6386            mWindowManagerDrawComplete = true;
6387        }
6388
6389        finishScreenTurningOn();
6390    }
6391
6392    private void finishScreenTurningOn() {
6393        synchronized (mLock) {
6394            // We have just finished drawing screen content. Since the orientation listener
6395            // gets only installed when all windows are drawn, we try to install it again.
6396            updateOrientationListenerLp();
6397        }
6398        final ScreenOnListener listener;
6399        final boolean enableScreen;
6400        synchronized (mLock) {
6401            if (DEBUG_WAKEUP) Slog.d(TAG,
6402                    "finishScreenTurningOn: mAwake=" + mAwake
6403                            + ", mScreenOnEarly=" + mScreenOnEarly
6404                            + ", mScreenOnFully=" + mScreenOnFully
6405                            + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
6406                            + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
6407
6408            if (mScreenOnFully || !mScreenOnEarly || !mWindowManagerDrawComplete
6409                    || (mAwake && !mKeyguardDrawComplete)) {
6410                return; // spurious or not ready yet
6411            }
6412
6413            if (DEBUG_WAKEUP) Slog.i(TAG, "Finished screen turning on...");
6414            listener = mScreenOnListener;
6415            mScreenOnListener = null;
6416            mScreenOnFully = true;
6417
6418            // Remember the first time we draw the keyguard so we know when we're done with
6419            // the main part of booting and can enable the screen and hide boot messages.
6420            if (!mKeyguardDrawnOnce && mAwake) {
6421                mKeyguardDrawnOnce = true;
6422                enableScreen = true;
6423                if (mBootMessageNeedsHiding) {
6424                    mBootMessageNeedsHiding = false;
6425                    hideBootMessages();
6426                }
6427            } else {
6428                enableScreen = false;
6429            }
6430        }
6431
6432        if (listener != null) {
6433            listener.onScreenOn();
6434        }
6435
6436        if (enableScreen) {
6437            try {
6438                mWindowManager.enableScreenIfNeeded();
6439            } catch (RemoteException unhandled) {
6440            }
6441        }
6442    }
6443
6444    private void handleHideBootMessage() {
6445        synchronized (mLock) {
6446            if (!mKeyguardDrawnOnce) {
6447                mBootMessageNeedsHiding = true;
6448                return; // keyguard hasn't drawn the first time yet, not done booting
6449            }
6450        }
6451
6452        if (mBootMsgDialog != null) {
6453            if (DEBUG_WAKEUP) Slog.d(TAG, "handleHideBootMessage: dismissing");
6454            mBootMsgDialog.dismiss();
6455            mBootMsgDialog = null;
6456        }
6457    }
6458
6459    @Override
6460    public boolean isScreenOn() {
6461        return mScreenOnFully;
6462    }
6463
6464    /** {@inheritDoc} */
6465    @Override
6466    public void enableKeyguard(boolean enabled) {
6467        if (mKeyguardDelegate != null) {
6468            mKeyguardDelegate.setKeyguardEnabled(enabled);
6469        }
6470    }
6471
6472    /** {@inheritDoc} */
6473    @Override
6474    public void exitKeyguardSecurely(OnKeyguardExitResult callback) {
6475        if (mKeyguardDelegate != null) {
6476            mKeyguardDelegate.verifyUnlock(callback);
6477        }
6478    }
6479
6480    private boolean isKeyguardShowingAndNotOccluded() {
6481        if (mKeyguardDelegate == null) return false;
6482        return mKeyguardDelegate.isShowing() && !mKeyguardOccluded;
6483    }
6484
6485    /** {@inheritDoc} */
6486    @Override
6487    public boolean isKeyguardLocked() {
6488        return keyguardOn();
6489    }
6490
6491    /** {@inheritDoc} */
6492    @Override
6493    public boolean isKeyguardSecure(int userId) {
6494        if (mKeyguardDelegate == null) return false;
6495        return mKeyguardDelegate.isSecure(userId);
6496    }
6497
6498    /** {@inheritDoc} */
6499    @Override
6500    public boolean isKeyguardShowingOrOccluded() {
6501        return mKeyguardDelegate == null ? false : mKeyguardDelegate.isShowing();
6502    }
6503
6504    /** {@inheritDoc} */
6505    @Override
6506    public boolean inKeyguardRestrictedKeyInputMode() {
6507        if (mKeyguardDelegate == null) return false;
6508        return mKeyguardDelegate.isInputRestricted();
6509    }
6510
6511    @Override
6512    public void dismissKeyguardLw() {
6513        if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
6514            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.dismissKeyguardLw");
6515            mHandler.post(new Runnable() {
6516                @Override
6517                public void run() {
6518                    // ask the keyguard to prompt the user to authenticate if necessary
6519                    mKeyguardDelegate.dismiss(false /* allowWhileOccluded */);
6520                }
6521            });
6522        }
6523    }
6524
6525    @Override
6526    public void notifyActivityDrawnForKeyguardLw() {
6527        if (mKeyguardDelegate != null) {
6528            mHandler.post(new Runnable() {
6529                @Override
6530                public void run() {
6531                    mKeyguardDelegate.onActivityDrawn();
6532                }
6533            });
6534        }
6535    }
6536
6537    @Override
6538    public boolean isKeyguardDrawnLw() {
6539        synchronized (mLock) {
6540            return mKeyguardDrawnOnce;
6541        }
6542    }
6543
6544    @Override
6545    public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
6546        if (mKeyguardDelegate != null) {
6547            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.startKeyguardExitAnimation");
6548            mKeyguardDelegate.startKeyguardExitAnimation(startTime, fadeoutDuration);
6549        }
6550    }
6551
6552    @Override
6553    public void getStableInsetsLw(int displayRotation, int displayWidth, int displayHeight,
6554            Rect outInsets) {
6555        outInsets.setEmpty();
6556
6557        // Navigation bar and status bar.
6558        getNonDecorInsetsLw(displayRotation, displayWidth, displayHeight, outInsets);
6559        if (mStatusBar != null) {
6560            outInsets.top = mStatusBarHeight;
6561        }
6562    }
6563
6564    @Override
6565    public void getNonDecorInsetsLw(int displayRotation, int displayWidth, int displayHeight,
6566            Rect outInsets) {
6567        outInsets.setEmpty();
6568
6569        // Only navigation bar
6570        if (mNavigationBar != null) {
6571            int position = navigationBarPosition(displayWidth, displayHeight, displayRotation);
6572            if (position == NAV_BAR_BOTTOM) {
6573                outInsets.bottom = getNavigationBarHeight(displayRotation, mUiMode);
6574            } else if (position == NAV_BAR_RIGHT) {
6575                outInsets.right = getNavigationBarWidth(displayRotation, mUiMode);
6576            } else if (position == NAV_BAR_LEFT) {
6577                outInsets.left = getNavigationBarWidth(displayRotation, mUiMode);
6578            }
6579        }
6580    }
6581
6582    @Override
6583    public boolean isNavBarForcedShownLw(WindowState windowState) {
6584        return mForceShowSystemBars;
6585    }
6586
6587    @Override
6588    public boolean isDockSideAllowed(int dockSide) {
6589
6590        // We do not allow all dock sides at which the navigation bar touches the docked stack.
6591        if (!mNavigationBarCanMove) {
6592            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT || dockSide == DOCKED_RIGHT;
6593        } else {
6594            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT;
6595        }
6596    }
6597
6598    void sendCloseSystemWindows() {
6599        PhoneWindow.sendCloseSystemWindows(mContext, null);
6600    }
6601
6602    void sendCloseSystemWindows(String reason) {
6603        PhoneWindow.sendCloseSystemWindows(mContext, reason);
6604    }
6605
6606    @Override
6607    public int rotationForOrientationLw(int orientation, int lastRotation) {
6608        if (false) {
6609            Slog.v(TAG, "rotationForOrientationLw(orient="
6610                        + orientation + ", last=" + lastRotation
6611                        + "); user=" + mUserRotation + " "
6612                        + ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED)
6613                            ? "USER_ROTATION_LOCKED" : "")
6614                        );
6615        }
6616
6617        if (mForceDefaultOrientation) {
6618            return Surface.ROTATION_0;
6619        }
6620
6621        synchronized (mLock) {
6622            int sensorRotation = mOrientationListener.getProposedRotation(); // may be -1
6623            if (sensorRotation < 0) {
6624                sensorRotation = lastRotation;
6625            }
6626
6627            final int preferredRotation;
6628            if (mLidState == LID_OPEN && mLidOpenRotation >= 0) {
6629                // Ignore sensor when lid switch is open and rotation is forced.
6630                preferredRotation = mLidOpenRotation;
6631            } else if (mDockMode == Intent.EXTRA_DOCK_STATE_CAR
6632                    && (mCarDockEnablesAccelerometer || mCarDockRotation >= 0)) {
6633                // Ignore sensor when in car dock unless explicitly enabled.
6634                // This case can override the behavior of NOSENSOR, and can also
6635                // enable 180 degree rotation while docked.
6636                preferredRotation = mCarDockEnablesAccelerometer
6637                        ? sensorRotation : mCarDockRotation;
6638            } else if ((mDockMode == Intent.EXTRA_DOCK_STATE_DESK
6639                    || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
6640                    || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK)
6641                    && (mDeskDockEnablesAccelerometer || mDeskDockRotation >= 0)) {
6642                // Ignore sensor when in desk dock unless explicitly enabled.
6643                // This case can override the behavior of NOSENSOR, and can also
6644                // enable 180 degree rotation while docked.
6645                preferredRotation = mDeskDockEnablesAccelerometer
6646                        ? sensorRotation : mDeskDockRotation;
6647            } else if (mHdmiPlugged && mDemoHdmiRotationLock) {
6648                // Ignore sensor when plugged into HDMI when demo HDMI rotation lock enabled.
6649                // Note that the dock orientation overrides the HDMI orientation.
6650                preferredRotation = mDemoHdmiRotation;
6651            } else if (mHdmiPlugged && mDockMode == Intent.EXTRA_DOCK_STATE_UNDOCKED
6652                    && mUndockedHdmiRotation >= 0) {
6653                // Ignore sensor when plugged into HDMI and an undocked orientation has
6654                // been specified in the configuration (only for legacy devices without
6655                // full multi-display support).
6656                // Note that the dock orientation overrides the HDMI orientation.
6657                preferredRotation = mUndockedHdmiRotation;
6658            } else if (mDemoRotationLock) {
6659                // Ignore sensor when demo rotation lock is enabled.
6660                // Note that the dock orientation and HDMI rotation lock override this.
6661                preferredRotation = mDemoRotation;
6662            } else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {
6663                // Application just wants to remain locked in the last rotation.
6664                preferredRotation = lastRotation;
6665            } else if (!mSupportAutoRotation) {
6666                // If we don't support auto-rotation then bail out here and ignore
6667                // the sensor and any rotation lock settings.
6668                preferredRotation = -1;
6669            } else if ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE
6670                            && (orientation == ActivityInfo.SCREEN_ORIENTATION_USER
6671                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
6672                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
6673                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT
6674                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER))
6675                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
6676                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
6677                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE
6678                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) {
6679                // Otherwise, use sensor only if requested by the application or enabled
6680                // by default for USER or UNSPECIFIED modes.  Does not apply to NOSENSOR.
6681                if (mAllowAllRotations < 0) {
6682                    // Can't read this during init() because the context doesn't
6683                    // have display metrics at that time so we cannot determine
6684                    // tablet vs. phone then.
6685                    mAllowAllRotations = mContext.getResources().getBoolean(
6686                            com.android.internal.R.bool.config_allowAllRotations) ? 1 : 0;
6687                }
6688                if (sensorRotation != Surface.ROTATION_180
6689                        || mAllowAllRotations == 1
6690                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
6691                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER) {
6692                    preferredRotation = sensorRotation;
6693                } else {
6694                    preferredRotation = lastRotation;
6695                }
6696            } else if (mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED
6697                    && orientation != ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
6698                // Apply rotation lock.  Does not apply to NOSENSOR.
6699                // The idea is that the user rotation expresses a weak preference for the direction
6700                // of gravity and as NOSENSOR is never affected by gravity, then neither should
6701                // NOSENSOR be affected by rotation lock (although it will be affected by docks).
6702                preferredRotation = mUserRotation;
6703            } else {
6704                // No overriding preference.
6705                // We will do exactly what the application asked us to do.
6706                preferredRotation = -1;
6707            }
6708
6709            switch (orientation) {
6710                case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6711                    // Return portrait unless overridden.
6712                    if (isAnyPortrait(preferredRotation)) {
6713                        return preferredRotation;
6714                    }
6715                    return mPortraitRotation;
6716
6717                case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6718                    // Return landscape unless overridden.
6719                    if (isLandscapeOrSeascape(preferredRotation)) {
6720                        return preferredRotation;
6721                    }
6722                    return mLandscapeRotation;
6723
6724                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6725                    // Return reverse portrait unless overridden.
6726                    if (isAnyPortrait(preferredRotation)) {
6727                        return preferredRotation;
6728                    }
6729                    return mUpsideDownRotation;
6730
6731                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6732                    // Return seascape unless overridden.
6733                    if (isLandscapeOrSeascape(preferredRotation)) {
6734                        return preferredRotation;
6735                    }
6736                    return mSeascapeRotation;
6737
6738                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6739                case ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE:
6740                    // Return either landscape rotation.
6741                    if (isLandscapeOrSeascape(preferredRotation)) {
6742                        return preferredRotation;
6743                    }
6744                    if (isLandscapeOrSeascape(lastRotation)) {
6745                        return lastRotation;
6746                    }
6747                    return mLandscapeRotation;
6748
6749                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6750                case ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT:
6751                    // Return either portrait rotation.
6752                    if (isAnyPortrait(preferredRotation)) {
6753                        return preferredRotation;
6754                    }
6755                    if (isAnyPortrait(lastRotation)) {
6756                        return lastRotation;
6757                    }
6758                    return mPortraitRotation;
6759
6760                default:
6761                    // For USER, UNSPECIFIED, NOSENSOR, SENSOR and FULL_SENSOR,
6762                    // just return the preferred orientation we already calculated.
6763                    if (preferredRotation >= 0) {
6764                        return preferredRotation;
6765                    }
6766                    return Surface.ROTATION_0;
6767            }
6768        }
6769    }
6770
6771    @Override
6772    public boolean rotationHasCompatibleMetricsLw(int orientation, int rotation) {
6773        switch (orientation) {
6774            case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6775            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6776            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6777                return isAnyPortrait(rotation);
6778
6779            case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6780            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6781            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6782                return isLandscapeOrSeascape(rotation);
6783
6784            default:
6785                return true;
6786        }
6787    }
6788
6789    @Override
6790    public void setRotationLw(int rotation) {
6791        mOrientationListener.setCurrentRotation(rotation);
6792    }
6793
6794    private boolean isLandscapeOrSeascape(int rotation) {
6795        return rotation == mLandscapeRotation || rotation == mSeascapeRotation;
6796    }
6797
6798    private boolean isAnyPortrait(int rotation) {
6799        return rotation == mPortraitRotation || rotation == mUpsideDownRotation;
6800    }
6801
6802    @Override
6803    public int getUserRotationMode() {
6804        return Settings.System.getIntForUser(mContext.getContentResolver(),
6805                Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
6806                        WindowManagerPolicy.USER_ROTATION_FREE :
6807                                WindowManagerPolicy.USER_ROTATION_LOCKED;
6808    }
6809
6810    // User rotation: to be used when all else fails in assigning an orientation to the device
6811    @Override
6812    public void setUserRotationMode(int mode, int rot) {
6813        ContentResolver res = mContext.getContentResolver();
6814
6815        // mUserRotationMode and mUserRotation will be assigned by the content observer
6816        if (mode == WindowManagerPolicy.USER_ROTATION_LOCKED) {
6817            Settings.System.putIntForUser(res,
6818                    Settings.System.USER_ROTATION,
6819                    rot,
6820                    UserHandle.USER_CURRENT);
6821            Settings.System.putIntForUser(res,
6822                    Settings.System.ACCELEROMETER_ROTATION,
6823                    0,
6824                    UserHandle.USER_CURRENT);
6825        } else {
6826            Settings.System.putIntForUser(res,
6827                    Settings.System.ACCELEROMETER_ROTATION,
6828                    1,
6829                    UserHandle.USER_CURRENT);
6830        }
6831    }
6832
6833    @Override
6834    public void setSafeMode(boolean safeMode) {
6835        mSafeMode = safeMode;
6836        performHapticFeedbackLw(null, safeMode
6837                ? HapticFeedbackConstants.SAFE_MODE_ENABLED
6838                : HapticFeedbackConstants.SAFE_MODE_DISABLED, true);
6839    }
6840
6841    static long[] getLongIntArray(Resources r, int resid) {
6842        int[] ar = r.getIntArray(resid);
6843        if (ar == null) {
6844            return null;
6845        }
6846        long[] out = new long[ar.length];
6847        for (int i=0; i<ar.length; i++) {
6848            out[i] = ar[i];
6849        }
6850        return out;
6851    }
6852
6853    /** {@inheritDoc} */
6854    @Override
6855    public void systemReady() {
6856        mKeyguardDelegate = new KeyguardServiceDelegate(mContext);
6857        mKeyguardDelegate.onSystemReady();
6858
6859        readCameraLensCoverState();
6860        updateUiMode();
6861        boolean bindKeyguardNow;
6862        synchronized (mLock) {
6863            updateOrientationListenerLp();
6864            mSystemReady = true;
6865            mHandler.post(new Runnable() {
6866                @Override
6867                public void run() {
6868                    updateSettings();
6869                }
6870            });
6871
6872            bindKeyguardNow = mDeferBindKeyguard;
6873            if (bindKeyguardNow) {
6874                // systemBooted ran but wasn't able to bind to the Keyguard, we'll do it now.
6875                mDeferBindKeyguard = false;
6876            }
6877        }
6878
6879        if (bindKeyguardNow) {
6880            mKeyguardDelegate.bindService(mContext);
6881            mKeyguardDelegate.onBootCompleted();
6882        }
6883        mSystemGestures.systemReady();
6884        mImmersiveModeConfirmation.systemReady();
6885    }
6886
6887    /** {@inheritDoc} */
6888    @Override
6889    public void systemBooted() {
6890        boolean bindKeyguardNow = false;
6891        synchronized (mLock) {
6892            // Time to bind Keyguard; take care to only bind it once, either here if ready or
6893            // in systemReady if not.
6894            if (mKeyguardDelegate != null) {
6895                bindKeyguardNow = true;
6896            } else {
6897                // Because mKeyguardDelegate is null, we know that the synchronized block in
6898                // systemReady didn't run yet and setting this will actually have an effect.
6899                mDeferBindKeyguard = true;
6900            }
6901        }
6902        if (bindKeyguardNow) {
6903            mKeyguardDelegate.bindService(mContext);
6904            mKeyguardDelegate.onBootCompleted();
6905        }
6906        synchronized (mLock) {
6907            mSystemBooted = true;
6908        }
6909        startedWakingUp();
6910        screenTurningOn(null);
6911        screenTurnedOn();
6912    }
6913
6914    ProgressDialog mBootMsgDialog = null;
6915
6916    /** {@inheritDoc} */
6917    @Override
6918    public void showBootMessage(final CharSequence msg, final boolean always) {
6919        mHandler.post(new Runnable() {
6920            @Override public void run() {
6921                if (mBootMsgDialog == null) {
6922                    int theme;
6923                    if (mContext.getPackageManager().hasSystemFeature(FEATURE_TELEVISION)) {
6924                        theme = com.android.internal.R.style.Theme_Leanback_Dialog_Alert;
6925                    } else {
6926                        theme = 0;
6927                    }
6928
6929                    mBootMsgDialog = new ProgressDialog(mContext, theme) {
6930                        // This dialog will consume all events coming in to
6931                        // it, to avoid it trying to do things too early in boot.
6932                        @Override public boolean dispatchKeyEvent(KeyEvent event) {
6933                            return true;
6934                        }
6935                        @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
6936                            return true;
6937                        }
6938                        @Override public boolean dispatchTouchEvent(MotionEvent ev) {
6939                            return true;
6940                        }
6941                        @Override public boolean dispatchTrackballEvent(MotionEvent ev) {
6942                            return true;
6943                        }
6944                        @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) {
6945                            return true;
6946                        }
6947                        @Override public boolean dispatchPopulateAccessibilityEvent(
6948                                AccessibilityEvent event) {
6949                            return true;
6950                        }
6951                    };
6952                    if (mContext.getPackageManager().isUpgrade()) {
6953                        mBootMsgDialog.setTitle(R.string.android_upgrading_title);
6954                    } else {
6955                        mBootMsgDialog.setTitle(R.string.android_start_title);
6956                    }
6957                    mBootMsgDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
6958                    mBootMsgDialog.setIndeterminate(true);
6959                    mBootMsgDialog.getWindow().setType(
6960                            WindowManager.LayoutParams.TYPE_BOOT_PROGRESS);
6961                    mBootMsgDialog.getWindow().addFlags(
6962                            WindowManager.LayoutParams.FLAG_DIM_BEHIND
6963                            | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
6964                    mBootMsgDialog.getWindow().setDimAmount(1);
6965                    WindowManager.LayoutParams lp = mBootMsgDialog.getWindow().getAttributes();
6966                    lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
6967                    mBootMsgDialog.getWindow().setAttributes(lp);
6968                    mBootMsgDialog.setCancelable(false);
6969                    mBootMsgDialog.show();
6970                }
6971                mBootMsgDialog.setMessage(msg);
6972            }
6973        });
6974    }
6975
6976    /** {@inheritDoc} */
6977    @Override
6978    public void hideBootMessages() {
6979        mHandler.sendEmptyMessage(MSG_HIDE_BOOT_MESSAGE);
6980    }
6981
6982    /** {@inheritDoc} */
6983    @Override
6984    public void userActivity() {
6985        // ***************************************
6986        // NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
6987        // ***************************************
6988        // THIS IS CALLED FROM DEEP IN THE POWER MANAGER
6989        // WITH ITS LOCKS HELD.
6990        //
6991        // This code must be VERY careful about the locks
6992        // it acquires.
6993        // In fact, the current code acquires way too many,
6994        // and probably has lurking deadlocks.
6995
6996        synchronized (mScreenLockTimeout) {
6997            if (mLockScreenTimerActive) {
6998                // reset the timer
6999                mHandler.removeCallbacks(mScreenLockTimeout);
7000                mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
7001            }
7002        }
7003    }
7004
7005    class ScreenLockTimeout implements Runnable {
7006        Bundle options;
7007
7008        @Override
7009        public void run() {
7010            synchronized (this) {
7011                if (localLOGV) Log.v(TAG, "mScreenLockTimeout activating keyguard");
7012                if (mKeyguardDelegate != null) {
7013                    mKeyguardDelegate.doKeyguardTimeout(options);
7014                }
7015                mLockScreenTimerActive = false;
7016                options = null;
7017            }
7018        }
7019
7020        public void setLockOptions(Bundle options) {
7021            this.options = options;
7022        }
7023    }
7024
7025    ScreenLockTimeout mScreenLockTimeout = new ScreenLockTimeout();
7026
7027    @Override
7028    public void lockNow(Bundle options) {
7029        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);
7030        mHandler.removeCallbacks(mScreenLockTimeout);
7031        if (options != null) {
7032            // In case multiple calls are made to lockNow, we don't wipe out the options
7033            // until the runnable actually executes.
7034            mScreenLockTimeout.setLockOptions(options);
7035        }
7036        mHandler.post(mScreenLockTimeout);
7037    }
7038
7039    private void updateLockScreenTimeout() {
7040        synchronized (mScreenLockTimeout) {
7041            boolean enable = (mAllowLockscreenWhenOn && mAwake &&
7042                    mKeyguardDelegate != null && mKeyguardDelegate.isSecure(mCurrentUserId));
7043            if (mLockScreenTimerActive != enable) {
7044                if (enable) {
7045                    if (localLOGV) Log.v(TAG, "setting lockscreen timer");
7046                    mHandler.removeCallbacks(mScreenLockTimeout); // remove any pending requests
7047                    mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
7048                } else {
7049                    if (localLOGV) Log.v(TAG, "clearing lockscreen timer");
7050                    mHandler.removeCallbacks(mScreenLockTimeout);
7051                }
7052                mLockScreenTimerActive = enable;
7053            }
7054        }
7055    }
7056
7057    private void updateDreamingSleepToken(boolean acquire) {
7058        if (acquire) {
7059            if (mDreamingSleepToken == null) {
7060                mDreamingSleepToken = mActivityManagerInternal.acquireSleepToken("Dream");
7061            }
7062        } else {
7063            if (mDreamingSleepToken != null) {
7064                mDreamingSleepToken.release();
7065                mDreamingSleepToken = null;
7066            }
7067        }
7068    }
7069
7070    private void updateScreenOffSleepToken(boolean acquire) {
7071        if (acquire) {
7072            if (mScreenOffSleepToken == null) {
7073                mScreenOffSleepToken = mActivityManagerInternal.acquireSleepToken("ScreenOff");
7074            }
7075        } else {
7076            if (mScreenOffSleepToken != null) {
7077                mScreenOffSleepToken.release();
7078                mScreenOffSleepToken = null;
7079            }
7080        }
7081    }
7082
7083    /** {@inheritDoc} */
7084    @Override
7085    public void enableScreenAfterBoot() {
7086        readLidState();
7087        applyLidSwitchState();
7088        updateRotation(true);
7089    }
7090
7091    private void applyLidSwitchState() {
7092        if (mLidState == LID_CLOSED && mLidControlsSleep) {
7093            mPowerManager.goToSleep(SystemClock.uptimeMillis(),
7094                    PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH,
7095                    PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
7096        } else if (mLidState == LID_CLOSED && mLidControlsScreenLock) {
7097            mWindowManagerFuncs.lockDeviceNow();
7098        }
7099
7100        synchronized (mLock) {
7101            updateWakeGestureListenerLp();
7102        }
7103    }
7104
7105    void updateUiMode() {
7106        if (mUiModeManager == null) {
7107            mUiModeManager = IUiModeManager.Stub.asInterface(
7108                    ServiceManager.getService(Context.UI_MODE_SERVICE));
7109        }
7110        try {
7111            mUiMode = mUiModeManager.getCurrentModeType();
7112        } catch (RemoteException e) {
7113        }
7114    }
7115
7116    void updateRotation(boolean alwaysSendConfiguration) {
7117        try {
7118            //set orientation on WindowManager
7119            mWindowManager.updateRotation(alwaysSendConfiguration, false);
7120        } catch (RemoteException e) {
7121            // Ignore
7122        }
7123    }
7124
7125    void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
7126        try {
7127            //set orientation on WindowManager
7128            mWindowManager.updateRotation(alwaysSendConfiguration, forceRelayout);
7129        } catch (RemoteException e) {
7130            // Ignore
7131        }
7132    }
7133
7134    /**
7135     * Return an Intent to launch the currently active dock app as home.  Returns
7136     * null if the standard home should be launched, which is the case if any of the following is
7137     * true:
7138     * <ul>
7139     *  <li>The device is not in either car mode or desk mode
7140     *  <li>The device is in car mode but mEnableCarDockHomeCapture is false
7141     *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
7142     *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
7143     *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
7144     * </ul>
7145     * @return A dock intent.
7146     */
7147    Intent createHomeDockIntent() {
7148        Intent intent = null;
7149
7150        // What home does is based on the mode, not the dock state.  That
7151        // is, when in car mode you should be taken to car home regardless
7152        // of whether we are actually in a car dock.
7153        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
7154            if (mEnableCarDockHomeCapture) {
7155                intent = mCarDockIntent;
7156            }
7157        } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
7158            if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
7159                intent = mDeskDockIntent;
7160            }
7161        } else if (mUiMode == Configuration.UI_MODE_TYPE_WATCH
7162                && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
7163                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK
7164                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK)) {
7165            // Always launch dock home from home when watch is docked, if it exists.
7166            intent = mDeskDockIntent;
7167        }
7168
7169        if (intent == null) {
7170            return null;
7171        }
7172
7173        ActivityInfo ai = null;
7174        ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(
7175                intent,
7176                PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_META_DATA,
7177                mCurrentUserId);
7178        if (info != null) {
7179            ai = info.activityInfo;
7180        }
7181        if (ai != null
7182                && ai.metaData != null
7183                && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
7184            intent = new Intent(intent);
7185            intent.setClassName(ai.packageName, ai.name);
7186            return intent;
7187        }
7188
7189        return null;
7190    }
7191
7192    void startDockOrHome(boolean fromHomeKey, boolean awakenFromDreams) {
7193        if (awakenFromDreams) {
7194            awakenDreams();
7195        }
7196
7197        Intent dock = createHomeDockIntent();
7198        if (dock != null) {
7199            try {
7200                if (fromHomeKey) {
7201                    dock.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
7202                }
7203                startActivityAsUser(dock, UserHandle.CURRENT);
7204                return;
7205            } catch (ActivityNotFoundException e) {
7206            }
7207        }
7208
7209        Intent intent;
7210
7211        if (fromHomeKey) {
7212            intent = new Intent(mHomeIntent);
7213            intent.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
7214        } else {
7215            intent = mHomeIntent;
7216        }
7217
7218        startActivityAsUser(intent, UserHandle.CURRENT);
7219    }
7220
7221    /**
7222     * goes to the home screen
7223     * @return whether it did anything
7224     */
7225    boolean goHome() {
7226        if (!isUserSetupComplete()) {
7227            Slog.i(TAG, "Not going home because user setup is in progress.");
7228            return false;
7229        }
7230        if (false) {
7231            // This code always brings home to the front.
7232            try {
7233                ActivityManagerNative.getDefault().stopAppSwitches();
7234            } catch (RemoteException e) {
7235            }
7236            sendCloseSystemWindows();
7237            startDockOrHome(false /*fromHomeKey*/, true /* awakenFromDreams */);
7238        } else {
7239            // This code brings home to the front or, if it is already
7240            // at the front, puts the device to sleep.
7241            try {
7242                if (SystemProperties.getInt("persist.sys.uts-test-mode", 0) == 1) {
7243                    /// Roll back EndcallBehavior as the cupcake design to pass P1 lab entry.
7244                    Log.d(TAG, "UTS-TEST-MODE");
7245                } else {
7246                    ActivityManagerNative.getDefault().stopAppSwitches();
7247                    sendCloseSystemWindows();
7248                    Intent dock = createHomeDockIntent();
7249                    if (dock != null) {
7250                        int result = ActivityManagerNative.getDefault()
7251                                .startActivityAsUser(null, null, dock,
7252                                        dock.resolveTypeIfNeeded(mContext.getContentResolver()),
7253                                        null, null, 0,
7254                                        ActivityManager.START_FLAG_ONLY_IF_NEEDED,
7255                                        null, null, UserHandle.USER_CURRENT);
7256                        if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
7257                            return false;
7258                        }
7259                    }
7260                }
7261                int result = ActivityManagerNative.getDefault()
7262                        .startActivityAsUser(null, null, mHomeIntent,
7263                                mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
7264                                null, null, 0,
7265                                ActivityManager.START_FLAG_ONLY_IF_NEEDED,
7266                                null, null, UserHandle.USER_CURRENT);
7267                if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
7268                    return false;
7269                }
7270            } catch (RemoteException ex) {
7271                // bummer, the activity manager, which is in this process, is dead
7272            }
7273        }
7274        return true;
7275    }
7276
7277    @Override
7278    public void setCurrentOrientationLw(int newOrientation) {
7279        synchronized (mLock) {
7280            if (newOrientation != mCurrentAppOrientation) {
7281                mCurrentAppOrientation = newOrientation;
7282                updateOrientationListenerLp();
7283            }
7284        }
7285    }
7286
7287    private void performAuditoryFeedbackForAccessibilityIfNeed() {
7288        if (!isGlobalAccessibilityGestureEnabled()) {
7289            return;
7290        }
7291        AudioManager audioManager = (AudioManager) mContext.getSystemService(
7292                Context.AUDIO_SERVICE);
7293        if (audioManager.isSilentMode()) {
7294            return;
7295        }
7296        Ringtone ringTone = RingtoneManager.getRingtone(mContext,
7297                Settings.System.DEFAULT_NOTIFICATION_URI);
7298        ringTone.setStreamType(AudioManager.STREAM_MUSIC);
7299        ringTone.play();
7300    }
7301
7302    private boolean isTheaterModeEnabled() {
7303        return Settings.Global.getInt(mContext.getContentResolver(),
7304                Settings.Global.THEATER_MODE_ON, 0) == 1;
7305    }
7306
7307    private boolean isGlobalAccessibilityGestureEnabled() {
7308        return Settings.Global.getInt(mContext.getContentResolver(),
7309                Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED, 0) == 1;
7310    }
7311
7312    private boolean areSystemNavigationKeysEnabled() {
7313        return Settings.Secure.getInt(mContext.getContentResolver(),
7314                Settings.Secure.SYSTEM_NAVIGATION_KEYS_ENABLED, 1) == 1;
7315    }
7316
7317    @Override
7318    public boolean performHapticFeedbackLw(WindowState win, int effectId, boolean always) {
7319        if (!mVibrator.hasVibrator()) {
7320            return false;
7321        }
7322        final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(),
7323                Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0;
7324        if (hapticsDisabled && !always) {
7325            return false;
7326        }
7327        long[] pattern = null;
7328        switch (effectId) {
7329            case HapticFeedbackConstants.LONG_PRESS:
7330                pattern = mLongPressVibePattern;
7331                break;
7332            case HapticFeedbackConstants.VIRTUAL_KEY:
7333                pattern = mVirtualKeyVibePattern;
7334                break;
7335            case HapticFeedbackConstants.KEYBOARD_TAP:
7336                pattern = mKeyboardTapVibePattern;
7337                break;
7338            case HapticFeedbackConstants.CLOCK_TICK:
7339                pattern = mClockTickVibePattern;
7340                break;
7341            case HapticFeedbackConstants.CALENDAR_DATE:
7342                pattern = mCalendarDateVibePattern;
7343                break;
7344            case HapticFeedbackConstants.SAFE_MODE_DISABLED:
7345                pattern = mSafeModeDisabledVibePattern;
7346                break;
7347            case HapticFeedbackConstants.SAFE_MODE_ENABLED:
7348                pattern = mSafeModeEnabledVibePattern;
7349                break;
7350            case HapticFeedbackConstants.CONTEXT_CLICK:
7351                pattern = mContextClickVibePattern;
7352                break;
7353            default:
7354                return false;
7355        }
7356        int owningUid;
7357        String owningPackage;
7358        if (win != null) {
7359            owningUid = win.getOwningUid();
7360            owningPackage = win.getOwningPackage();
7361        } else {
7362            owningUid = android.os.Process.myUid();
7363            owningPackage = mContext.getOpPackageName();
7364        }
7365        if (pattern.length == 1) {
7366            // One-shot vibration
7367            mVibrator.vibrate(owningUid, owningPackage, pattern[0], VIBRATION_ATTRIBUTES);
7368        } else {
7369            // Pattern vibration
7370            mVibrator.vibrate(owningUid, owningPackage, pattern, -1, VIBRATION_ATTRIBUTES);
7371        }
7372        return true;
7373    }
7374
7375    @Override
7376    public void keepScreenOnStartedLw() {
7377    }
7378
7379    @Override
7380    public void keepScreenOnStoppedLw() {
7381        if (isKeyguardShowingAndNotOccluded()) {
7382            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
7383        }
7384    }
7385
7386    private int updateSystemUiVisibilityLw() {
7387        // If there is no window focused, there will be nobody to handle the events
7388        // anyway, so just hang on in whatever state we're in until things settle down.
7389        final WindowState win = mFocusedWindow != null ? mFocusedWindow
7390                : mTopFullscreenOpaqueWindowState;
7391        if (win == null) {
7392            return 0;
7393        }
7394        if ((win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 && mHideLockScreen == true) {
7395            // We are updating at a point where the keyguard has gotten
7396            // focus, but we were last in a state where the top window is
7397            // hiding it.  This is probably because the keyguard as been
7398            // shown while the top window was displayed, so we want to ignore
7399            // it here because this is just a very transient change and it
7400            // will quickly lose focus once it correctly gets hidden.
7401            return 0;
7402        }
7403
7404        int tmpVisibility = PolicyControl.getSystemUiVisibility(win, null)
7405                & ~mResettingSystemUiFlags
7406                & ~mForceClearedSystemUiFlags;
7407        if (mForcingShowNavBar && win.getSurfaceLayer() < mForcingShowNavBarLayer) {
7408            tmpVisibility &= ~PolicyControl.adjustClearableFlags(win, View.SYSTEM_UI_CLEARABLE_FLAGS);
7409        }
7410
7411        final int fullscreenVisibility = updateLightStatusBarLw(0 /* vis */,
7412                mTopFullscreenOpaqueWindowState, mTopFullscreenOpaqueOrDimmingWindowState);
7413        final int dockedVisibility = updateLightStatusBarLw(0 /* vis */,
7414                mTopDockedOpaqueWindowState, mTopDockedOpaqueOrDimmingWindowState);
7415        mWindowManagerFuncs.getStackBounds(HOME_STACK_ID, mNonDockedStackBounds);
7416        mWindowManagerFuncs.getStackBounds(DOCKED_STACK_ID, mDockedStackBounds);
7417        final int visibility = updateSystemBarsLw(win, mLastSystemUiFlags, tmpVisibility);
7418        final int diff = visibility ^ mLastSystemUiFlags;
7419        final int fullscreenDiff = fullscreenVisibility ^ mLastFullscreenStackSysUiFlags;
7420        final int dockedDiff = dockedVisibility ^ mLastDockedStackSysUiFlags;
7421        final boolean needsMenu = win.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
7422        if (diff == 0 && fullscreenDiff == 0 && dockedDiff == 0 && mLastFocusNeedsMenu == needsMenu
7423                && mFocusedApp == win.getAppToken()
7424                && mLastNonDockedStackBounds.equals(mNonDockedStackBounds)
7425                && mLastDockedStackBounds.equals(mDockedStackBounds)) {
7426            return 0;
7427        }
7428        mLastSystemUiFlags = visibility;
7429        mLastFullscreenStackSysUiFlags = fullscreenVisibility;
7430        mLastDockedStackSysUiFlags = dockedVisibility;
7431        mLastFocusNeedsMenu = needsMenu;
7432        mFocusedApp = win.getAppToken();
7433        final Rect fullscreenStackBounds = new Rect(mNonDockedStackBounds);
7434        final Rect dockedStackBounds = new Rect(mDockedStackBounds);
7435        mHandler.post(new Runnable() {
7436                @Override
7437                public void run() {
7438                    StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
7439                    if (statusbar != null) {
7440                        statusbar.setSystemUiVisibility(visibility, fullscreenVisibility,
7441                                dockedVisibility, 0xffffffff, fullscreenStackBounds,
7442                                dockedStackBounds, win.toString());
7443                        statusbar.topAppWindowChanged(needsMenu);
7444                    }
7445                }
7446            });
7447        return diff;
7448    }
7449
7450    private int updateLightStatusBarLw(int vis, WindowState opaque, WindowState opaqueOrDimming) {
7451        WindowState statusColorWin = isStatusBarKeyguard() && !mHideLockScreen
7452                ? mStatusBar
7453                : opaqueOrDimming;
7454
7455        if (statusColorWin != null) {
7456            if (statusColorWin == opaque) {
7457                // If the top fullscreen-or-dimming window is also the top fullscreen, respect
7458                // its light flag.
7459                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7460                vis |= PolicyControl.getSystemUiVisibility(statusColorWin, null)
7461                        & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7462            } else if (statusColorWin != null && statusColorWin.isDimming()) {
7463                // Otherwise if it's dimming, clear the light flag.
7464                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7465            }
7466        }
7467        return vis;
7468    }
7469
7470    private boolean drawsSystemBarBackground(WindowState win) {
7471        return win == null || (win.getAttrs().flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0;
7472    }
7473
7474    private boolean forcesDrawStatusBarBackground(WindowState win) {
7475        return win == null || (win.getAttrs().privateFlags
7476                & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND) != 0;
7477    }
7478
7479    private int updateSystemBarsLw(WindowState win, int oldVis, int vis) {
7480        final boolean dockedStackVisible = mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID);
7481        final boolean freeformStackVisible =
7482                mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID);
7483        final boolean resizing = mWindowManagerInternal.isDockedDividerResizing();
7484
7485        // We need to force system bars when the docked stack is visible, when the freeform stack
7486        // is visible but also when we are resizing for the transitions when docked stack
7487        // visibility changes.
7488        mForceShowSystemBars = dockedStackVisible || freeformStackVisible || resizing;
7489        final boolean forceOpaqueStatusBar = mForceShowSystemBars && !mForceStatusBarFromKeyguard;
7490
7491        // apply translucent bar vis flags
7492        WindowState fullscreenTransWin = isStatusBarKeyguard() && !mHideLockScreen
7493                ? mStatusBar
7494                : mTopFullscreenOpaqueWindowState;
7495        vis = mStatusBarController.applyTranslucentFlagLw(fullscreenTransWin, vis, oldVis);
7496        vis = mNavigationBarController.applyTranslucentFlagLw(fullscreenTransWin, vis, oldVis);
7497        final int dockedVis = mStatusBarController.applyTranslucentFlagLw(
7498                mTopDockedOpaqueWindowState, 0, 0);
7499
7500        final boolean fullscreenDrawsStatusBarBackground =
7501                (drawsSystemBarBackground(mTopFullscreenOpaqueWindowState)
7502                        && (vis & View.STATUS_BAR_TRANSLUCENT) == 0)
7503                || forcesDrawStatusBarBackground(mTopFullscreenOpaqueWindowState);
7504        final boolean dockedDrawsStatusBarBackground =
7505                (drawsSystemBarBackground(mTopDockedOpaqueWindowState)
7506                        && (dockedVis & View.STATUS_BAR_TRANSLUCENT) == 0)
7507                || forcesDrawStatusBarBackground(mTopDockedOpaqueWindowState);
7508
7509        // prevent status bar interaction from clearing certain flags
7510        int type = win.getAttrs().type;
7511        boolean statusBarHasFocus = type == TYPE_STATUS_BAR;
7512        if (statusBarHasFocus && !isStatusBarKeyguard()) {
7513            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
7514                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
7515                    | View.SYSTEM_UI_FLAG_IMMERSIVE
7516                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
7517                    | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7518            if (mHideLockScreen) {
7519                flags |= View.STATUS_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSLUCENT;
7520            }
7521            vis = (vis & ~flags) | (oldVis & flags);
7522        }
7523
7524        if (fullscreenDrawsStatusBarBackground && dockedDrawsStatusBarBackground) {
7525            vis |= View.STATUS_BAR_TRANSPARENT;
7526            vis &= ~View.STATUS_BAR_TRANSLUCENT;
7527        } else if ((!areTranslucentBarsAllowed() && fullscreenTransWin != mStatusBar)
7528                || forceOpaqueStatusBar) {
7529            vis &= ~(View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT);
7530        }
7531
7532        vis = configureNavBarOpacity(vis, dockedStackVisible, freeformStackVisible, resizing);
7533
7534        // update status bar
7535        boolean immersiveSticky =
7536                (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
7537        final boolean hideStatusBarWM =
7538                mTopFullscreenOpaqueWindowState != null
7539                && (PolicyControl.getWindowFlags(mTopFullscreenOpaqueWindowState, null)
7540                        & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0;
7541        final boolean hideStatusBarSysui =
7542                (vis & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
7543        final boolean hideNavBarSysui =
7544                (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0;
7545
7546        final boolean transientStatusBarAllowed = mStatusBar != null
7547                && (statusBarHasFocus || (!mForceShowSystemBars
7548                        && (hideStatusBarWM || (hideStatusBarSysui && immersiveSticky))));
7549
7550        final boolean transientNavBarAllowed = mNavigationBar != null
7551                && !mForceShowSystemBars && hideNavBarSysui && immersiveSticky;
7552
7553        final long now = SystemClock.uptimeMillis();
7554        final boolean pendingPanic = mPendingPanicGestureUptime != 0
7555                && now - mPendingPanicGestureUptime <= PANIC_GESTURE_EXPIRATION;
7556        if (pendingPanic && hideNavBarSysui && !isStatusBarKeyguard() && mKeyguardDrawComplete) {
7557            // The user performed the panic gesture recently, we're about to hide the bars,
7558            // we're no longer on the Keyguard and the screen is ready. We can now request the bars.
7559            mPendingPanicGestureUptime = 0;
7560            mStatusBarController.showTransient();
7561            if (!isNavBarEmpty(vis)) {
7562                mNavigationBarController.showTransient();
7563            }
7564        }
7565
7566        final boolean denyTransientStatus = mStatusBarController.isTransientShowRequested()
7567                && !transientStatusBarAllowed && hideStatusBarSysui;
7568        final boolean denyTransientNav = mNavigationBarController.isTransientShowRequested()
7569                && !transientNavBarAllowed;
7570        if (denyTransientStatus || denyTransientNav || mForceShowSystemBars) {
7571            // clear the clearable flags instead
7572            clearClearableFlagsLw();
7573            vis &= ~View.SYSTEM_UI_CLEARABLE_FLAGS;
7574        }
7575
7576        final boolean immersive = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
7577        immersiveSticky = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
7578        final boolean navAllowedHidden = immersive || immersiveSticky;
7579
7580        if (hideNavBarSysui && !navAllowedHidden && windowTypeToLayerLw(win.getBaseType())
7581                > windowTypeToLayerLw(TYPE_INPUT_CONSUMER)) {
7582            // We can't hide the navbar from this window otherwise the input consumer would not get
7583            // the input events.
7584            vis = (vis & ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
7585        }
7586
7587        vis = mStatusBarController.updateVisibilityLw(transientStatusBarAllowed, oldVis, vis);
7588
7589        // update navigation bar
7590        boolean oldImmersiveMode = isImmersiveMode(oldVis);
7591        boolean newImmersiveMode = isImmersiveMode(vis);
7592        if (win != null && oldImmersiveMode != newImmersiveMode) {
7593            final String pkg = win.getOwningPackage();
7594            mImmersiveModeConfirmation.immersiveModeChangedLw(pkg, newImmersiveMode,
7595                    isUserSetupComplete(), isNavBarEmpty(win.getSystemUiVisibility()));
7596        }
7597
7598        vis = mNavigationBarController.updateVisibilityLw(transientNavBarAllowed, oldVis, vis);
7599
7600        return vis;
7601    }
7602
7603    /**
7604     * @return the current visibility flags with the nav-bar opacity related flags toggled based
7605     *         on the nav bar opacity rules chosen by {@link #mNavBarOpacityMode}.
7606     */
7607    private int configureNavBarOpacity(int visibility, boolean dockedStackVisible,
7608            boolean freeformStackVisible, boolean isDockedDividerResizing) {
7609        if (mNavBarOpacityMode == NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED) {
7610            if (dockedStackVisible || freeformStackVisible || isDockedDividerResizing) {
7611                visibility = setNavBarOpaqueFlag(visibility);
7612            }
7613        } else if (mNavBarOpacityMode == NAV_BAR_TRANSLUCENT_WHEN_FREEFORM_OPAQUE_OTHERWISE) {
7614            if (isDockedDividerResizing) {
7615                visibility = setNavBarOpaqueFlag(visibility);
7616            } else if (freeformStackVisible) {
7617                visibility = setNavBarTranslucentFlag(visibility);
7618            } else {
7619                visibility = setNavBarOpaqueFlag(visibility);
7620            }
7621        }
7622
7623        if (!areTranslucentBarsAllowed()) {
7624            visibility &= ~View.NAVIGATION_BAR_TRANSLUCENT;
7625        }
7626        return visibility;
7627    }
7628
7629    private int setNavBarOpaqueFlag(int visibility) {
7630        return visibility &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT);
7631    }
7632
7633    private int setNavBarTranslucentFlag(int visibility) {
7634        visibility &= ~View.NAVIGATION_BAR_TRANSPARENT;
7635        return visibility |= View.NAVIGATION_BAR_TRANSLUCENT;
7636    }
7637
7638    private void clearClearableFlagsLw() {
7639        int newVal = mResettingSystemUiFlags | View.SYSTEM_UI_CLEARABLE_FLAGS;
7640        if (newVal != mResettingSystemUiFlags) {
7641            mResettingSystemUiFlags = newVal;
7642            mWindowManagerFuncs.reevaluateStatusBarVisibility();
7643        }
7644    }
7645
7646    private boolean isImmersiveMode(int vis) {
7647        final int flags = View.SYSTEM_UI_FLAG_IMMERSIVE | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
7648        return mNavigationBar != null
7649                && (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
7650                && (vis & flags) != 0
7651                && canHideNavigationBar();
7652    }
7653
7654    private static boolean isNavBarEmpty(int systemUiFlags) {
7655        final int disableNavigationBar = (View.STATUS_BAR_DISABLE_HOME
7656                | View.STATUS_BAR_DISABLE_BACK
7657                | View.STATUS_BAR_DISABLE_RECENT);
7658
7659        return (systemUiFlags & disableNavigationBar) == disableNavigationBar;
7660    }
7661
7662    /**
7663     * @return whether the navigation or status bar can be made translucent
7664     *
7665     * This should return true unless touch exploration is not enabled or
7666     * R.boolean.config_enableTranslucentDecor is false.
7667     */
7668    private boolean areTranslucentBarsAllowed() {
7669        return mTranslucentDecorEnabled;
7670    }
7671
7672    // Use this instead of checking config_showNavigationBar so that it can be consistently
7673    // overridden by qemu.hw.mainkeys in the emulator.
7674    @Override
7675    public boolean hasNavigationBar() {
7676        return mHasNavigationBar;
7677    }
7678
7679    @Override
7680    public void setLastInputMethodWindowLw(WindowState ime, WindowState target) {
7681        mLastInputMethodWindow = ime;
7682        mLastInputMethodTargetWindow = target;
7683    }
7684
7685    @Override
7686    public int getInputMethodWindowVisibleHeightLw() {
7687        return mDockBottom - mCurBottom;
7688    }
7689
7690    @Override
7691    public void setCurrentUserLw(int newUserId) {
7692        mCurrentUserId = newUserId;
7693        if (mKeyguardDelegate != null) {
7694            mKeyguardDelegate.setCurrentUser(newUserId);
7695        }
7696        StatusBarManagerInternal statusBar = getStatusBarManagerInternal();
7697        if (statusBar != null) {
7698            statusBar.setCurrentUser(newUserId);
7699        }
7700        setLastInputMethodWindowLw(null, null);
7701    }
7702
7703    @Override
7704    public boolean canMagnifyWindow(int windowType) {
7705        switch (windowType) {
7706            case WindowManager.LayoutParams.TYPE_INPUT_METHOD:
7707            case WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG:
7708            case WindowManager.LayoutParams.TYPE_NAVIGATION_BAR:
7709            case WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY: {
7710                return false;
7711            }
7712        }
7713        return true;
7714    }
7715
7716    @Override
7717    public boolean isTopLevelWindow(int windowType) {
7718        if (windowType >= WindowManager.LayoutParams.FIRST_SUB_WINDOW
7719                && windowType <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
7720            return (windowType == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG);
7721        }
7722        return true;
7723    }
7724
7725    @Override
7726    public boolean shouldRotateSeamlessly(int oldRotation, int newRotation) {
7727        // For the upside down rotation we don't rotate seamlessly as the navigation
7728        // bar moves position.
7729        // Note most apps (using orientation:sensor or user as opposed to fullSensor)
7730        // will not enter the reverse portrait orientation, so actually the
7731        // orientation won't change at all.
7732        if (oldRotation == mUpsideDownRotation || newRotation == mUpsideDownRotation) {
7733            return false;
7734        }
7735        int delta = newRotation - oldRotation;
7736        if (delta < 0) delta += 4;
7737        // Likewise we don't rotate seamlessly for 180 degree rotations
7738        // in this case the surfaces never resize, and our logic to
7739        // revert the transformations on size change will fail. We could
7740        // fix this in the future with the "tagged" frames idea.
7741        if (delta == Surface.ROTATION_180) {
7742            return false;
7743        }
7744
7745        // We only enable seamless rotation if the top window has requested
7746        // it and is in the fullscreen opaque state. Seamless rotation
7747        // requires freezing various Surface states and won't work well
7748        // with animations, so we disable it in the animation case for now.
7749        if (mTopFullscreenOpaqueWindowState != null && mTopIsFullscreen &&
7750                !mTopFullscreenOpaqueWindowState.isAnimatingLw() &&
7751                mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation ==
7752                ROTATION_ANIMATION_JUMPCUT) {
7753            return true;
7754        }
7755        return false;
7756    }
7757
7758    @Override
7759    public void dump(String prefix, PrintWriter pw, String[] args) {
7760        pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
7761                pw.print(" mSystemReady="); pw.print(mSystemReady);
7762                pw.print(" mSystemBooted="); pw.println(mSystemBooted);
7763        pw.print(prefix); pw.print("mLidState="); pw.print(mLidState);
7764                pw.print(" mLidOpenRotation="); pw.print(mLidOpenRotation);
7765                pw.print(" mCameraLensCoverState="); pw.print(mCameraLensCoverState);
7766                pw.print(" mHdmiPlugged="); pw.println(mHdmiPlugged);
7767        if (mLastSystemUiFlags != 0 || mResettingSystemUiFlags != 0
7768                || mForceClearedSystemUiFlags != 0) {
7769            pw.print(prefix); pw.print("mLastSystemUiFlags=0x");
7770                    pw.print(Integer.toHexString(mLastSystemUiFlags));
7771                    pw.print(" mResettingSystemUiFlags=0x");
7772                    pw.print(Integer.toHexString(mResettingSystemUiFlags));
7773                    pw.print(" mForceClearedSystemUiFlags=0x");
7774                    pw.println(Integer.toHexString(mForceClearedSystemUiFlags));
7775        }
7776        if (mLastFocusNeedsMenu) {
7777            pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
7778                    pw.println(mLastFocusNeedsMenu);
7779        }
7780        pw.print(prefix); pw.print("mWakeGestureEnabledSetting=");
7781                pw.println(mWakeGestureEnabledSetting);
7782
7783        pw.print(prefix); pw.print("mSupportAutoRotation="); pw.println(mSupportAutoRotation);
7784        pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
7785                pw.print(" mDockMode="); pw.print(mDockMode);
7786                pw.print(" mEnableCarDockHomeCapture="); pw.print(mEnableCarDockHomeCapture);
7787                pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
7788                pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
7789        pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);
7790                pw.print(" mUserRotation="); pw.print(mUserRotation);
7791                pw.print(" mAllowAllRotations="); pw.println(mAllowAllRotations);
7792        pw.print(prefix); pw.print("mCurrentAppOrientation="); pw.println(mCurrentAppOrientation);
7793        pw.print(prefix); pw.print("mCarDockEnablesAccelerometer=");
7794                pw.print(mCarDockEnablesAccelerometer);
7795                pw.print(" mDeskDockEnablesAccelerometer=");
7796                pw.println(mDeskDockEnablesAccelerometer);
7797        pw.print(prefix); pw.print("mLidKeyboardAccessibility=");
7798                pw.print(mLidKeyboardAccessibility);
7799                pw.print(" mLidNavigationAccessibility="); pw.print(mLidNavigationAccessibility);
7800                pw.print(" mLidControlsScreenLock="); pw.println(mLidControlsScreenLock);
7801                pw.print(" mLidControlsSleep="); pw.println(mLidControlsSleep);
7802        pw.print(prefix);
7803                pw.print(" mLongPressOnBackBehavior="); pw.println(mLongPressOnBackBehavior);
7804        pw.print(prefix);
7805                pw.print("mShortPressOnPowerBehavior="); pw.print(mShortPressOnPowerBehavior);
7806                pw.print(" mLongPressOnPowerBehavior="); pw.println(mLongPressOnPowerBehavior);
7807        pw.print(prefix);
7808                pw.print("mDoublePressOnPowerBehavior="); pw.print(mDoublePressOnPowerBehavior);
7809                pw.print(" mTriplePressOnPowerBehavior="); pw.println(mTriplePressOnPowerBehavior);
7810        pw.print(prefix); pw.print("mHasSoftInput="); pw.println(mHasSoftInput);
7811        pw.print(prefix); pw.print("mAwake="); pw.println(mAwake);
7812        pw.print(prefix); pw.print("mScreenOnEarly="); pw.print(mScreenOnEarly);
7813                pw.print(" mScreenOnFully="); pw.println(mScreenOnFully);
7814        pw.print(prefix); pw.print("mKeyguardDrawComplete="); pw.print(mKeyguardDrawComplete);
7815                pw.print(" mWindowManagerDrawComplete="); pw.println(mWindowManagerDrawComplete);
7816        pw.print(prefix); pw.print("mOrientationSensorEnabled=");
7817                pw.println(mOrientationSensorEnabled);
7818        pw.print(prefix); pw.print("mOverscanScreen=("); pw.print(mOverscanScreenLeft);
7819                pw.print(","); pw.print(mOverscanScreenTop);
7820                pw.print(") "); pw.print(mOverscanScreenWidth);
7821                pw.print("x"); pw.println(mOverscanScreenHeight);
7822        if (mOverscanLeft != 0 || mOverscanTop != 0
7823                || mOverscanRight != 0 || mOverscanBottom != 0) {
7824            pw.print(prefix); pw.print("mOverscan left="); pw.print(mOverscanLeft);
7825                    pw.print(" top="); pw.print(mOverscanTop);
7826                    pw.print(" right="); pw.print(mOverscanRight);
7827                    pw.print(" bottom="); pw.println(mOverscanBottom);
7828        }
7829        pw.print(prefix); pw.print("mRestrictedOverscanScreen=(");
7830                pw.print(mRestrictedOverscanScreenLeft);
7831                pw.print(","); pw.print(mRestrictedOverscanScreenTop);
7832                pw.print(") "); pw.print(mRestrictedOverscanScreenWidth);
7833                pw.print("x"); pw.println(mRestrictedOverscanScreenHeight);
7834        pw.print(prefix); pw.print("mUnrestrictedScreen=("); pw.print(mUnrestrictedScreenLeft);
7835                pw.print(","); pw.print(mUnrestrictedScreenTop);
7836                pw.print(") "); pw.print(mUnrestrictedScreenWidth);
7837                pw.print("x"); pw.println(mUnrestrictedScreenHeight);
7838        pw.print(prefix); pw.print("mRestrictedScreen=("); pw.print(mRestrictedScreenLeft);
7839                pw.print(","); pw.print(mRestrictedScreenTop);
7840                pw.print(") "); pw.print(mRestrictedScreenWidth);
7841                pw.print("x"); pw.println(mRestrictedScreenHeight);
7842        pw.print(prefix); pw.print("mStableFullscreen=("); pw.print(mStableFullscreenLeft);
7843                pw.print(","); pw.print(mStableFullscreenTop);
7844                pw.print(")-("); pw.print(mStableFullscreenRight);
7845                pw.print(","); pw.print(mStableFullscreenBottom); pw.println(")");
7846        pw.print(prefix); pw.print("mStable=("); pw.print(mStableLeft);
7847                pw.print(","); pw.print(mStableTop);
7848                pw.print(")-("); pw.print(mStableRight);
7849                pw.print(","); pw.print(mStableBottom); pw.println(")");
7850        pw.print(prefix); pw.print("mSystem=("); pw.print(mSystemLeft);
7851                pw.print(","); pw.print(mSystemTop);
7852                pw.print(")-("); pw.print(mSystemRight);
7853                pw.print(","); pw.print(mSystemBottom); pw.println(")");
7854        pw.print(prefix); pw.print("mCur=("); pw.print(mCurLeft);
7855                pw.print(","); pw.print(mCurTop);
7856                pw.print(")-("); pw.print(mCurRight);
7857                pw.print(","); pw.print(mCurBottom); pw.println(")");
7858        pw.print(prefix); pw.print("mContent=("); pw.print(mContentLeft);
7859                pw.print(","); pw.print(mContentTop);
7860                pw.print(")-("); pw.print(mContentRight);
7861                pw.print(","); pw.print(mContentBottom); pw.println(")");
7862        pw.print(prefix); pw.print("mVoiceContent=("); pw.print(mVoiceContentLeft);
7863                pw.print(","); pw.print(mVoiceContentTop);
7864                pw.print(")-("); pw.print(mVoiceContentRight);
7865                pw.print(","); pw.print(mVoiceContentBottom); pw.println(")");
7866        pw.print(prefix); pw.print("mDock=("); pw.print(mDockLeft);
7867                pw.print(","); pw.print(mDockTop);
7868                pw.print(")-("); pw.print(mDockRight);
7869                pw.print(","); pw.print(mDockBottom); pw.println(")");
7870        pw.print(prefix); pw.print("mDockLayer="); pw.print(mDockLayer);
7871                pw.print(" mStatusBarLayer="); pw.println(mStatusBarLayer);
7872        pw.print(prefix); pw.print("mShowingLockscreen="); pw.print(mShowingLockscreen);
7873                pw.print(" mShowingDream="); pw.print(mShowingDream);
7874                pw.print(" mDreamingLockscreen="); pw.print(mDreamingLockscreen);
7875                pw.print(" mDreamingSleepToken="); pw.println(mDreamingSleepToken);
7876        if (mLastInputMethodWindow != null) {
7877            pw.print(prefix); pw.print("mLastInputMethodWindow=");
7878                    pw.println(mLastInputMethodWindow);
7879        }
7880        if (mLastInputMethodTargetWindow != null) {
7881            pw.print(prefix); pw.print("mLastInputMethodTargetWindow=");
7882                    pw.println(mLastInputMethodTargetWindow);
7883        }
7884        if (mStatusBar != null) {
7885            pw.print(prefix); pw.print("mStatusBar=");
7886                    pw.print(mStatusBar); pw.print(" isStatusBarKeyguard=");
7887                    pw.println(isStatusBarKeyguard());
7888        }
7889        if (mNavigationBar != null) {
7890            pw.print(prefix); pw.print("mNavigationBar=");
7891                    pw.println(mNavigationBar);
7892        }
7893        if (mFocusedWindow != null) {
7894            pw.print(prefix); pw.print("mFocusedWindow=");
7895                    pw.println(mFocusedWindow);
7896        }
7897        if (mFocusedApp != null) {
7898            pw.print(prefix); pw.print("mFocusedApp=");
7899                    pw.println(mFocusedApp);
7900        }
7901        if (mWinDismissingKeyguard != null) {
7902            pw.print(prefix); pw.print("mWinDismissingKeyguard=");
7903                    pw.println(mWinDismissingKeyguard);
7904        }
7905        if (mTopFullscreenOpaqueWindowState != null) {
7906            pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
7907                    pw.println(mTopFullscreenOpaqueWindowState);
7908        }
7909        if (mTopFullscreenOpaqueOrDimmingWindowState != null) {
7910            pw.print(prefix); pw.print("mTopFullscreenOpaqueOrDimmingWindowState=");
7911                    pw.println(mTopFullscreenOpaqueOrDimmingWindowState);
7912        }
7913        if (mForcingShowNavBar) {
7914            pw.print(prefix); pw.print("mForcingShowNavBar=");
7915                    pw.println(mForcingShowNavBar); pw.print( "mForcingShowNavBarLayer=");
7916                    pw.println(mForcingShowNavBarLayer);
7917        }
7918        pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
7919                pw.print(" mHideLockScreen="); pw.println(mHideLockScreen);
7920        pw.print(prefix); pw.print("mForceStatusBar="); pw.print(mForceStatusBar);
7921                pw.print(" mForceStatusBarFromKeyguard=");
7922                pw.println(mForceStatusBarFromKeyguard);
7923        pw.print(prefix); pw.print("mDismissKeyguard="); pw.print(mDismissKeyguard);
7924                pw.print(" mWinDismissingKeyguard="); pw.print(mWinDismissingKeyguard);
7925                pw.print(" mHomePressed="); pw.println(mHomePressed);
7926        pw.print(prefix); pw.print("mAllowLockscreenWhenOn="); pw.print(mAllowLockscreenWhenOn);
7927                pw.print(" mLockScreenTimeout="); pw.print(mLockScreenTimeout);
7928                pw.print(" mLockScreenTimerActive="); pw.println(mLockScreenTimerActive);
7929        pw.print(prefix); pw.print("mEndcallBehavior="); pw.print(mEndcallBehavior);
7930                pw.print(" mIncallPowerBehavior="); pw.print(mIncallPowerBehavior);
7931                pw.print(" mLongPressOnHomeBehavior="); pw.println(mLongPressOnHomeBehavior);
7932        pw.print(prefix); pw.print("mLandscapeRotation="); pw.print(mLandscapeRotation);
7933                pw.print(" mSeascapeRotation="); pw.println(mSeascapeRotation);
7934        pw.print(prefix); pw.print("mPortraitRotation="); pw.print(mPortraitRotation);
7935                pw.print(" mUpsideDownRotation="); pw.println(mUpsideDownRotation);
7936        pw.print(prefix); pw.print("mDemoHdmiRotation="); pw.print(mDemoHdmiRotation);
7937                pw.print(" mDemoHdmiRotationLock="); pw.println(mDemoHdmiRotationLock);
7938        pw.print(prefix); pw.print("mUndockedHdmiRotation="); pw.println(mUndockedHdmiRotation);
7939
7940        mGlobalKeyManager.dump(prefix, pw);
7941        mStatusBarController.dump(pw, prefix);
7942        mNavigationBarController.dump(pw, prefix);
7943        PolicyControl.dump(prefix, pw);
7944
7945        if (mWakeGestureListener != null) {
7946            mWakeGestureListener.dump(pw, prefix);
7947        }
7948        if (mOrientationListener != null) {
7949            mOrientationListener.dump(pw, prefix);
7950        }
7951        if (mBurnInProtectionHelper != null) {
7952            mBurnInProtectionHelper.dump(prefix, pw);
7953        }
7954        if (mKeyguardDelegate != null) {
7955            mKeyguardDelegate.dump(prefix, pw);
7956        }
7957    }
7958}
7959