PhoneWindowManager.java revision ae61f7118a92e097e854c840d5726c0920f5db0e 
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.view.WindowManager.LayoutParams.*;
22import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_ABSENT;
23import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_OPEN;
24import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_CLOSED;
25import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVER_ABSENT;
26import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_UNCOVERED;
27import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVERED;
28
29import android.app.ActivityManager;
30import android.app.ActivityManagerInternal;
31import android.app.ActivityManagerInternal.SleepToken;
32import android.app.ActivityManagerNative;
33import android.app.AppOpsManager;
34import android.app.IUiModeManager;
35import android.app.ProgressDialog;
36import android.app.SearchManager;
37import android.app.StatusBarManager;
38import android.app.UiModeManager;
39import android.content.ActivityNotFoundException;
40import android.content.BroadcastReceiver;
41import android.content.ComponentName;
42import android.content.ContentResolver;
43import android.content.Context;
44import android.content.Intent;
45import android.content.IntentFilter;
46import android.content.ServiceConnection;
47import android.content.pm.ActivityInfo;
48import android.content.pm.PackageManager;
49import android.content.pm.ResolveInfo;
50import android.content.res.CompatibilityInfo;
51import android.content.res.Configuration;
52import android.content.res.Resources;
53import android.database.ContentObserver;
54import android.graphics.PixelFormat;
55import android.graphics.Rect;
56import android.hardware.hdmi.HdmiControlManager;
57import android.hardware.hdmi.HdmiPlaybackClient;
58import android.hardware.hdmi.HdmiPlaybackClient.OneTouchPlayCallback;
59import android.media.AudioAttributes;
60import android.media.AudioManager;
61import android.media.AudioSystem;
62import android.media.IAudioService;
63import android.media.Ringtone;
64import android.media.RingtoneManager;
65import android.media.session.MediaSessionLegacyHelper;
66import android.os.Binder;
67import android.os.Bundle;
68import android.os.Debug;
69import android.os.FactoryTest;
70import android.os.Handler;
71import android.os.IBinder;
72import android.os.IDeviceIdleController;
73import android.os.Looper;
74import android.os.Message;
75import android.os.Messenger;
76import android.os.PowerManager;
77import android.os.PowerManagerInternal;
78import android.os.Process;
79import android.os.RemoteException;
80import android.os.ServiceManager;
81import android.os.SystemClock;
82import android.os.SystemProperties;
83import android.os.UEventObserver;
84import android.os.UserHandle;
85import android.os.Vibrator;
86import android.provider.MediaStore;
87import android.provider.Settings;
88import android.service.dreams.DreamManagerInternal;
89import android.service.dreams.DreamService;
90import android.service.dreams.IDreamManager;
91import android.speech.RecognizerIntent;
92import android.telecom.TelecomManager;
93import android.util.DisplayMetrics;
94import android.util.EventLog;
95import android.util.Log;
96import android.util.Slog;
97import android.util.SparseArray;
98import android.view.Display;
99import android.view.Gravity;
100import android.view.HapticFeedbackConstants;
101import android.view.IApplicationToken;
102import android.view.IWindowManager;
103import android.view.InputChannel;
104import android.view.InputDevice;
105import android.view.InputEvent;
106import android.view.InputEventReceiver;
107import android.view.KeyCharacterMap;
108import android.view.KeyCharacterMap.FallbackAction;
109import android.view.KeyEvent;
110import android.view.MotionEvent;
111import android.view.Surface;
112import android.view.View;
113import android.view.ViewConfiguration;
114import android.view.WindowManager;
115import android.view.WindowManagerGlobal;
116import android.view.WindowManagerInternal;
117import android.view.WindowManagerPolicy;
118import android.view.accessibility.AccessibilityEvent;
119import android.view.accessibility.AccessibilityManager;
120import android.view.animation.Animation;
121import android.view.animation.AnimationSet;
122import android.view.animation.AnimationUtils;
123import com.android.internal.R;
124import com.android.internal.logging.MetricsLogger;
125import com.android.internal.policy.PhoneWindow;
126import com.android.internal.statusbar.IStatusBarService;
127import com.android.internal.util.ScreenShapeHelper;
128import com.android.internal.widget.PointerLocationView;
129import com.android.server.GestureLauncherService;
130import com.android.server.LocalServices;
131import com.android.server.policy.keyguard.KeyguardServiceDelegate;
132import com.android.server.policy.keyguard.KeyguardServiceDelegate.DrawnListener;
133
134import java.io.File;
135import java.io.FileReader;
136import java.io.IOException;
137import java.io.PrintWriter;
138import java.util.HashSet;
139import java.util.List;
140
141/**
142 * WindowManagerPolicy implementation for the Android phone UI.  This
143 * introduces a new method suffix, Lp, for an internal lock of the
144 * PhoneWindowManager.  This is used to protect some internal state, and
145 * can be acquired with either the Lw and Li lock held, so has the restrictions
146 * of both of those when held.
147 */
148public class PhoneWindowManager implements WindowManagerPolicy {
149    static final String TAG = "WindowManager";
150    static final boolean DEBUG = false;
151    static final boolean localLOGV = false;
152    static final boolean DEBUG_INPUT = false;
153    static final boolean DEBUG_KEYGUARD = false;
154    static final boolean DEBUG_LAYOUT = false;
155    static final boolean DEBUG_STARTING_WINDOW = false;
156    static final boolean DEBUG_WAKEUP = false;
157    static final boolean SHOW_STARTING_ANIMATIONS = true;
158    static final boolean SHOW_PROCESSES_ON_ALT_MENU = false;
159
160    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
161    // No longer recommended for desk docks;
162    static final boolean ENABLE_DESK_DOCK_HOME_CAPTURE = false;
163
164    static final int SHORT_PRESS_POWER_NOTHING = 0;
165    static final int SHORT_PRESS_POWER_GO_TO_SLEEP = 1;
166    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP = 2;
167    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME = 3;
168    static final int SHORT_PRESS_POWER_GO_HOME = 4;
169
170    static final int LONG_PRESS_POWER_NOTHING = 0;
171    static final int LONG_PRESS_POWER_GLOBAL_ACTIONS = 1;
172    static final int LONG_PRESS_POWER_SHUT_OFF = 2;
173    static final int LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM = 3;
174
175    static final int MULTI_PRESS_POWER_NOTHING = 0;
176    static final int MULTI_PRESS_POWER_THEATER_MODE = 1;
177    static final int MULTI_PRESS_POWER_BRIGHTNESS_BOOST = 2;
178
179    // These need to match the documentation/constant in
180    // core/res/res/values/config.xml
181    static final int LONG_PRESS_HOME_NOTHING = 0;
182    static final int LONG_PRESS_HOME_RECENT_SYSTEM_UI = 1;
183    static final int LONG_PRESS_HOME_ASSIST = 2;
184
185    static final int DOUBLE_TAP_HOME_NOTHING = 0;
186    static final int DOUBLE_TAP_HOME_RECENT_SYSTEM_UI = 1;
187
188    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP = 0;
189    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME = 1;
190
191    static final int APPLICATION_MEDIA_SUBLAYER = -2;
192    static final int APPLICATION_MEDIA_OVERLAY_SUBLAYER = -1;
193    static final int APPLICATION_PANEL_SUBLAYER = 1;
194    static final int APPLICATION_SUB_PANEL_SUBLAYER = 2;
195    static final int APPLICATION_ABOVE_SUB_PANEL_SUBLAYER = 3;
196
197    static public final String SYSTEM_DIALOG_REASON_KEY = "reason";
198    static public final String SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS = "globalactions";
199    static public final String SYSTEM_DIALOG_REASON_RECENT_APPS = "recentapps";
200    static public final String SYSTEM_DIALOG_REASON_HOME_KEY = "homekey";
201    static public final String SYSTEM_DIALOG_REASON_ASSIST = "assist";
202
203    /**
204     * These are the system UI flags that, when changing, can cause the layout
205     * of the screen to change.
206     */
207    static final int SYSTEM_UI_CHANGING_LAYOUT =
208              View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
209            | View.SYSTEM_UI_FLAG_FULLSCREEN
210            | View.STATUS_BAR_TRANSLUCENT
211            | View.NAVIGATION_BAR_TRANSLUCENT
212            | View.STATUS_BAR_TRANSPARENT
213            | View.NAVIGATION_BAR_TRANSPARENT;
214
215    private static final AudioAttributes VIBRATION_ATTRIBUTES = new AudioAttributes.Builder()
216            .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
217            .setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION)
218            .build();
219
220    // The panic gesture may become active only after the keyguard is dismissed and the immersive
221    // app shows again. If that doesn't happen for 30s we drop the gesture.
222    private static final long PANIC_GESTURE_EXPIRATION = 30000;
223
224    /**
225     * Keyguard stuff
226     */
227    private WindowState mKeyguardScrim;
228    private boolean mKeyguardHidden;
229    private boolean mKeyguardDrawnOnce;
230
231    /* Table of Application Launch keys.  Maps from key codes to intent categories.
232     *
233     * These are special keys that are used to launch particular kinds of applications,
234     * such as a web browser.  HID defines nearly a hundred of them in the Consumer (0x0C)
235     * usage page.  We don't support quite that many yet...
236     */
237    static SparseArray<String> sApplicationLaunchKeyCategories;
238    static {
239        sApplicationLaunchKeyCategories = new SparseArray<String>();
240        sApplicationLaunchKeyCategories.append(
241                KeyEvent.KEYCODE_EXPLORER, Intent.CATEGORY_APP_BROWSER);
242        sApplicationLaunchKeyCategories.append(
243                KeyEvent.KEYCODE_ENVELOPE, Intent.CATEGORY_APP_EMAIL);
244        sApplicationLaunchKeyCategories.append(
245                KeyEvent.KEYCODE_CONTACTS, Intent.CATEGORY_APP_CONTACTS);
246        sApplicationLaunchKeyCategories.append(
247                KeyEvent.KEYCODE_CALENDAR, Intent.CATEGORY_APP_CALENDAR);
248        sApplicationLaunchKeyCategories.append(
249                KeyEvent.KEYCODE_MUSIC, Intent.CATEGORY_APP_MUSIC);
250        sApplicationLaunchKeyCategories.append(
251                KeyEvent.KEYCODE_CALCULATOR, Intent.CATEGORY_APP_CALCULATOR);
252    }
253
254    /** Amount of time (in milliseconds) to wait for windows drawn before powering on. */
255    static final int WAITING_FOR_DRAWN_TIMEOUT = 1000;
256
257    /**
258     * Lock protecting internal state.  Must not call out into window
259     * manager with lock held.  (This lock will be acquired in places
260     * where the window manager is calling in with its own lock held.)
261     */
262    private final Object mLock = new Object();
263
264    Context mContext;
265    IWindowManager mWindowManager;
266    WindowManagerFuncs mWindowManagerFuncs;
267    WindowManagerInternal mWindowManagerInternal;
268    PowerManager mPowerManager;
269    ActivityManagerInternal mActivityManagerInternal;
270    DreamManagerInternal mDreamManagerInternal;
271    PowerManagerInternal mPowerManagerInternal;
272    IStatusBarService mStatusBarService;
273    boolean mPreloadedRecentApps;
274    final Object mServiceAquireLock = new Object();
275    Vibrator mVibrator; // Vibrator for giving feedback of orientation changes
276    SearchManager mSearchManager;
277    AccessibilityManager mAccessibilityManager;
278    BurnInProtectionHelper mBurnInProtectionHelper;
279    AppOpsManager mAppOpsManager;
280
281    // Vibrator pattern for haptic feedback of a long press.
282    long[] mLongPressVibePattern;
283
284    // Vibrator pattern for haptic feedback of virtual key press.
285    long[] mVirtualKeyVibePattern;
286
287    // Vibrator pattern for a short vibration.
288    long[] mKeyboardTapVibePattern;
289
290    // Vibrator pattern for a short vibration when tapping on an hour/minute tick of a Clock.
291    long[] mClockTickVibePattern;
292
293    // Vibrator pattern for a short vibration when tapping on a day/month/year date of a Calendar.
294    long[] mCalendarDateVibePattern;
295
296    // Vibrator pattern for haptic feedback during boot when safe mode is disabled.
297    long[] mSafeModeDisabledVibePattern;
298
299    // Vibrator pattern for haptic feedback during boot when safe mode is enabled.
300    long[] mSafeModeEnabledVibePattern;
301
302    // Vibrator pattern for haptic feedback of a context click.
303    long[] mContextClickVibePattern;
304
305    /** If true, hitting shift & menu will broadcast Intent.ACTION_BUG_REPORT */
306    boolean mEnableShiftMenuBugReports = false;
307
308    boolean mSafeMode;
309    WindowState mStatusBar = null;
310    int mStatusBarHeight;
311    WindowState mNavigationBar = null;
312    boolean mHasNavigationBar = false;
313    boolean mCanHideNavigationBar = false;
314    boolean mNavigationBarCanMove = false; // can the navigation bar ever move to the side?
315    boolean mNavigationBarOnBottom = true; // is the navigation bar on the bottom *right now*?
316    int[] mNavigationBarHeightForRotation = new int[4];
317    int[] mNavigationBarWidthForRotation = new int[4];
318
319    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
320    // This is for car dock and this is updated from resource.
321    private boolean mEnableCarDockHomeCapture = true;
322
323    boolean mBootMessageNeedsHiding;
324    KeyguardServiceDelegate mKeyguardDelegate;
325    final Runnable mWindowManagerDrawCallback = new Runnable() {
326        @Override
327        public void run() {
328            if (DEBUG_WAKEUP) Slog.i(TAG, "All windows ready for display!");
329            mHandler.sendEmptyMessage(MSG_WINDOW_MANAGER_DRAWN_COMPLETE);
330        }
331    };
332    final DrawnListener mKeyguardDrawnCallback = new DrawnListener() {
333        @Override
334        public void onDrawn() {
335            if (DEBUG_WAKEUP) Slog.d(TAG, "mKeyguardDelegate.ShowListener.onDrawn.");
336            mHandler.sendEmptyMessage(MSG_KEYGUARD_DRAWN_COMPLETE);
337        }
338    };
339
340    GlobalActions mGlobalActions;
341    Handler mHandler;
342    WindowState mLastInputMethodWindow = null;
343    WindowState mLastInputMethodTargetWindow = null;
344
345    // FIXME This state is shared between the input reader and handler thread.
346    // Technically it's broken and buggy but it has been like this for many years
347    // and we have not yet seen any problems.  Someday we'll rewrite this logic
348    // so that only one thread is involved in handling input policy.  Unfortunately
349    // it's on a critical path for power management so we can't just post the work to the
350    // handler thread.  We'll need to resolve this someday by teaching the input dispatcher
351    // to hold wakelocks during dispatch and eliminating the critical path.
352    volatile boolean mPowerKeyHandled;
353    volatile boolean mBeganFromNonInteractive;
354    volatile int mPowerKeyPressCounter;
355    volatile boolean mEndCallKeyHandled;
356
357    boolean mRecentsVisible;
358    int mRecentAppsHeldModifiers;
359    boolean mLanguageSwitchKeyPressed;
360
361    int mLidState = LID_ABSENT;
362    int mCameraLensCoverState = CAMERA_LENS_COVER_ABSENT;
363    boolean mHaveBuiltInKeyboard;
364
365    boolean mSystemReady;
366    boolean mSystemBooted;
367    private boolean mDeferBindKeyguard;
368    boolean mHdmiPlugged;
369    HdmiControl mHdmiControl;
370    IUiModeManager mUiModeManager;
371    int mUiMode;
372    int mDockMode = Intent.EXTRA_DOCK_STATE_UNDOCKED;
373    int mLidOpenRotation;
374    int mCarDockRotation;
375    int mDeskDockRotation;
376    int mUndockedHdmiRotation;
377    int mDemoHdmiRotation;
378    boolean mDemoHdmiRotationLock;
379    int mDemoRotation;
380    boolean mDemoRotationLock;
381
382    boolean mWakeGestureEnabledSetting;
383    MyWakeGestureListener mWakeGestureListener;
384
385    // Default display does not rotate, apps that require non-default orientation will have to
386    // have the orientation emulated.
387    private boolean mForceDefaultOrientation = false;
388
389    int mUserRotationMode = WindowManagerPolicy.USER_ROTATION_FREE;
390    int mUserRotation = Surface.ROTATION_0;
391    boolean mAccelerometerDefault;
392
393    boolean mSupportAutoRotation;
394    int mAllowAllRotations = -1;
395    boolean mCarDockEnablesAccelerometer;
396    boolean mDeskDockEnablesAccelerometer;
397    int mLidKeyboardAccessibility;
398    int mLidNavigationAccessibility;
399    boolean mLidControlsScreenLock;
400    boolean mLidControlsSleep;
401    int mShortPressOnPowerBehavior;
402    int mLongPressOnPowerBehavior;
403    int mDoublePressOnPowerBehavior;
404    int mTriplePressOnPowerBehavior;
405    int mShortPressOnSleepBehavior;
406    boolean mAwake;
407    boolean mScreenOnEarly;
408    boolean mScreenOnFully;
409    ScreenOnListener mScreenOnListener;
410    boolean mKeyguardDrawComplete;
411    boolean mWindowManagerDrawComplete;
412    boolean mOrientationSensorEnabled = false;
413    int mCurrentAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
414    boolean mHasSoftInput = false;
415    boolean mTranslucentDecorEnabled = true;
416    boolean mUseTvRouting;
417
418    int mPointerLocationMode = 0; // guarded by mLock
419
420    // The last window we were told about in focusChanged.
421    WindowState mFocusedWindow;
422    IApplicationToken mFocusedApp;
423
424    PointerLocationView mPointerLocationView;
425
426    // The current size of the screen; really; extends into the overscan area of
427    // the screen and doesn't account for any system elements like the status bar.
428    int mOverscanScreenLeft, mOverscanScreenTop;
429    int mOverscanScreenWidth, mOverscanScreenHeight;
430    // The current visible size of the screen; really; (ir)regardless of whether the status
431    // bar can be hidden but not extending into the overscan area.
432    int mUnrestrictedScreenLeft, mUnrestrictedScreenTop;
433    int mUnrestrictedScreenWidth, mUnrestrictedScreenHeight;
434    // Like mOverscanScreen*, but allowed to move into the overscan region where appropriate.
435    int mRestrictedOverscanScreenLeft, mRestrictedOverscanScreenTop;
436    int mRestrictedOverscanScreenWidth, mRestrictedOverscanScreenHeight;
437    // The current size of the screen; these may be different than (0,0)-(dw,dh)
438    // if the status bar can't be hidden; in that case it effectively carves out
439    // that area of the display from all other windows.
440    int mRestrictedScreenLeft, mRestrictedScreenTop;
441    int mRestrictedScreenWidth, mRestrictedScreenHeight;
442    // During layout, the current screen borders accounting for any currently
443    // visible system UI elements.
444    int mSystemLeft, mSystemTop, mSystemRight, mSystemBottom;
445    // For applications requesting stable content insets, these are them.
446    int mStableLeft, mStableTop, mStableRight, mStableBottom;
447    // For applications requesting stable content insets but have also set the
448    // fullscreen window flag, these are the stable dimensions without the status bar.
449    int mStableFullscreenLeft, mStableFullscreenTop;
450    int mStableFullscreenRight, mStableFullscreenBottom;
451    // During layout, the current screen borders with all outer decoration
452    // (status bar, input method dock) accounted for.
453    int mCurLeft, mCurTop, mCurRight, mCurBottom;
454    // During layout, the frame in which content should be displayed
455    // to the user, accounting for all screen decoration except for any
456    // space they deem as available for other content.  This is usually
457    // the same as mCur*, but may be larger if the screen decor has supplied
458    // content insets.
459    int mContentLeft, mContentTop, mContentRight, mContentBottom;
460    // During layout, the frame in which voice content should be displayed
461    // to the user, accounting for all screen decoration except for any
462    // space they deem as available for other content.
463    int mVoiceContentLeft, mVoiceContentTop, mVoiceContentRight, mVoiceContentBottom;
464    // During layout, the current screen borders along which input method
465    // windows are placed.
466    int mDockLeft, mDockTop, mDockRight, mDockBottom;
467    // During layout, the layer at which the doc window is placed.
468    int mDockLayer;
469    // During layout, this is the layer of the status bar.
470    int mStatusBarLayer;
471    int mLastSystemUiFlags;
472    // Bits that we are in the process of clearing, so we want to prevent
473    // them from being set by applications until everything has been updated
474    // to have them clear.
475    int mResettingSystemUiFlags = 0;
476    // Bits that we are currently always keeping cleared.
477    int mForceClearedSystemUiFlags = 0;
478    // What we last reported to system UI about whether the compatibility
479    // menu needs to be displayed.
480    boolean mLastFocusNeedsMenu = false;
481    // If nonzero, a panic gesture was performed at that time in uptime millis and is still pending.
482    private long mPendingPanicGestureUptime;
483
484    InputConsumer mInputConsumer = null;
485
486    static final Rect mTmpParentFrame = new Rect();
487    static final Rect mTmpDisplayFrame = new Rect();
488    static final Rect mTmpOverscanFrame = new Rect();
489    static final Rect mTmpContentFrame = new Rect();
490    static final Rect mTmpVisibleFrame = new Rect();
491    static final Rect mTmpDecorFrame = new Rect();
492    static final Rect mTmpStableFrame = new Rect();
493    static final Rect mTmpNavigationFrame = new Rect();
494    static final Rect mTmpOutsetFrame = new Rect();
495
496    WindowState mTopFullscreenOpaqueWindowState;
497    WindowState mTopFullscreenOpaqueOrDimmingWindowState;
498    HashSet<IApplicationToken> mAppsToBeHidden = new HashSet<IApplicationToken>();
499    HashSet<IApplicationToken> mAppsThatDismissKeyguard = new HashSet<IApplicationToken>();
500    boolean mTopIsFullscreen;
501    boolean mForceStatusBar;
502    boolean mForceStatusBarFromKeyguard;
503    private boolean mForceStatusBarTransparent;
504    boolean mHideLockScreen;
505    boolean mForcingShowNavBar;
506    int mForcingShowNavBarLayer;
507
508    // States of keyguard dismiss.
509    private static final int DISMISS_KEYGUARD_NONE = 0; // Keyguard not being dismissed.
510    private static final int DISMISS_KEYGUARD_START = 1; // Keyguard needs to be dismissed.
511    private static final int DISMISS_KEYGUARD_CONTINUE = 2; // Keyguard has been dismissed.
512    int mDismissKeyguard = DISMISS_KEYGUARD_NONE;
513
514    /** The window that is currently dismissing the keyguard. Dismissing the keyguard must only
515     * be done once per window. */
516    private WindowState mWinDismissingKeyguard;
517
518    /** When window is currently dismissing the keyguard, dismissing the keyguard must handle
519     * the keygaurd secure state change instantly case, e.g. the use case of inserting a PIN
520     * lock SIM card. This variable is used to record the previous keyguard secure state for
521     * monitoring secure state change on window dismissing keyguard. */
522    private boolean mSecureDismissingKeyguard;
523
524    /** The window that is currently showing "over" the keyguard. If there is an app window
525     * belonging to another app on top of this the keyguard shows. If there is a fullscreen
526     * app window under this, still dismiss the keyguard but don't show the app underneath. Show
527     * the wallpaper. */
528    private WindowState mWinShowWhenLocked;
529
530    boolean mShowingLockscreen;
531    boolean mShowingDream;
532    boolean mDreamingLockscreen;
533    boolean mDreamingSleepTokenNeeded;
534    SleepToken mDreamingSleepToken;
535    SleepToken mScreenOffSleepToken;
536    boolean mKeyguardSecure;
537    boolean mKeyguardSecureIncludingHidden;
538    volatile boolean mKeyguardOccluded;
539    boolean mHomePressed;
540    boolean mHomeConsumed;
541    boolean mHomeDoubleTapPending;
542    Intent mHomeIntent;
543    Intent mCarDockIntent;
544    Intent mDeskDockIntent;
545    boolean mSearchKeyShortcutPending;
546    boolean mConsumeSearchKeyUp;
547    boolean mAssistKeyLongPressed;
548    boolean mPendingMetaAction;
549
550    // support for activating the lock screen while the screen is on
551    boolean mAllowLockscreenWhenOn;
552    int mLockScreenTimeout;
553    boolean mLockScreenTimerActive;
554
555    // Behavior of ENDCALL Button.  (See Settings.System.END_BUTTON_BEHAVIOR.)
556    int mEndcallBehavior;
557
558    // Behavior of POWER button while in-call and screen on.
559    // (See Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR.)
560    int mIncallPowerBehavior;
561
562    Display mDisplay;
563
564    private int mDisplayRotation;
565
566    int mLandscapeRotation = 0;  // default landscape rotation
567    int mSeascapeRotation = 0;   // "other" landscape rotation, 180 degrees from mLandscapeRotation
568    int mPortraitRotation = 0;   // default portrait rotation
569    int mUpsideDownRotation = 0; // "other" portrait rotation
570
571    int mOverscanLeft = 0;
572    int mOverscanTop = 0;
573    int mOverscanRight = 0;
574    int mOverscanBottom = 0;
575
576    // What we do when the user long presses on home
577    private int mLongPressOnHomeBehavior;
578
579    // What we do when the user double-taps on home
580    private int mDoubleTapOnHomeBehavior;
581
582    // Allowed theater mode wake actions
583    private boolean mAllowTheaterModeWakeFromKey;
584    private boolean mAllowTheaterModeWakeFromPowerKey;
585    private boolean mAllowTheaterModeWakeFromMotion;
586    private boolean mAllowTheaterModeWakeFromMotionWhenNotDreaming;
587    private boolean mAllowTheaterModeWakeFromCameraLens;
588    private boolean mAllowTheaterModeWakeFromLidSwitch;
589    private boolean mAllowTheaterModeWakeFromWakeGesture;
590
591    // Whether to support long press from power button in non-interactive mode
592    private boolean mSupportLongPressPowerWhenNonInteractive;
593
594    // Whether to go to sleep entering theater mode from power button
595    private boolean mGoToSleepOnButtonPressTheaterMode;
596
597    // Screenshot trigger states
598    // Time to volume and power must be pressed within this interval of each other.
599    private static final long SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS = 150;
600    // Increase the chord delay when taking a screenshot from the keyguard
601    private static final float KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER = 2.5f;
602    private boolean mScreenshotChordEnabled;
603    private boolean mScreenshotChordVolumeDownKeyTriggered;
604    private long mScreenshotChordVolumeDownKeyTime;
605    private boolean mScreenshotChordVolumeDownKeyConsumed;
606    private boolean mScreenshotChordVolumeUpKeyTriggered;
607    private boolean mScreenshotChordPowerKeyTriggered;
608    private long mScreenshotChordPowerKeyTime;
609
610    /* The number of steps between min and max brightness */
611    private static final int BRIGHTNESS_STEPS = 10;
612
613    SettingsObserver mSettingsObserver;
614    ShortcutManager mShortcutManager;
615    PowerManager.WakeLock mBroadcastWakeLock;
616    PowerManager.WakeLock mPowerKeyWakeLock;
617    boolean mHavePendingMediaKeyRepeatWithWakeLock;
618
619    private int mCurrentUserId;
620
621    // Maps global key codes to the components that will handle them.
622    private GlobalKeyManager mGlobalKeyManager;
623
624    // Fallback actions by key code.
625    private final SparseArray<KeyCharacterMap.FallbackAction> mFallbackActions =
626            new SparseArray<KeyCharacterMap.FallbackAction>();
627
628    private final LogDecelerateInterpolator mLogDecelerateInterpolator
629            = new LogDecelerateInterpolator(100, 0);
630
631    private boolean mForceWindowDrawsStatusBarBackground;
632
633    private static final int MSG_ENABLE_POINTER_LOCATION = 1;
634    private static final int MSG_DISABLE_POINTER_LOCATION = 2;
635    private static final int MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK = 3;
636    private static final int MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK = 4;
637    private static final int MSG_KEYGUARD_DRAWN_COMPLETE = 5;
638    private static final int MSG_KEYGUARD_DRAWN_TIMEOUT = 6;
639    private static final int MSG_WINDOW_MANAGER_DRAWN_COMPLETE = 7;
640    private static final int MSG_DISPATCH_SHOW_RECENTS = 9;
641    private static final int MSG_DISPATCH_SHOW_GLOBAL_ACTIONS = 10;
642    private static final int MSG_HIDE_BOOT_MESSAGE = 11;
643    private static final int MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK = 12;
644    private static final int MSG_POWER_DELAYED_PRESS = 13;
645    private static final int MSG_POWER_LONG_PRESS = 14;
646    private static final int MSG_UPDATE_DREAMING_SLEEP_TOKEN = 15;
647    private static final int MSG_REQUEST_TRANSIENT_BARS = 16;
648
649    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS = 0;
650    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION = 1;
651
652    private class PolicyHandler extends Handler {
653        @Override
654        public void handleMessage(Message msg) {
655            switch (msg.what) {
656                case MSG_ENABLE_POINTER_LOCATION:
657                    enablePointerLocation();
658                    break;
659                case MSG_DISABLE_POINTER_LOCATION:
660                    disablePointerLocation();
661                    break;
662                case MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK:
663                    dispatchMediaKeyWithWakeLock((KeyEvent)msg.obj);
664                    break;
665                case MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK:
666                    dispatchMediaKeyRepeatWithWakeLock((KeyEvent)msg.obj);
667                    break;
668                case MSG_DISPATCH_SHOW_RECENTS:
669                    showRecentApps(false);
670                    break;
671                case MSG_DISPATCH_SHOW_GLOBAL_ACTIONS:
672                    showGlobalActionsInternal();
673                    break;
674                case MSG_KEYGUARD_DRAWN_COMPLETE:
675                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mKeyguardDrawComplete");
676                    finishKeyguardDrawn();
677                    break;
678                case MSG_KEYGUARD_DRAWN_TIMEOUT:
679                    Slog.w(TAG, "Keyguard drawn timeout. Setting mKeyguardDrawComplete");
680                    finishKeyguardDrawn();
681                    break;
682                case MSG_WINDOW_MANAGER_DRAWN_COMPLETE:
683                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mWindowManagerDrawComplete");
684                    finishWindowsDrawn();
685                    break;
686                case MSG_HIDE_BOOT_MESSAGE:
687                    handleHideBootMessage();
688                    break;
689                case MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK:
690                    launchVoiceAssistWithWakeLock(msg.arg1 != 0);
691                    break;
692                case MSG_POWER_DELAYED_PRESS:
693                    powerPress((Long)msg.obj, msg.arg1 != 0, msg.arg2);
694                    finishPowerKeyPress();
695                    break;
696                case MSG_POWER_LONG_PRESS:
697                    powerLongPress();
698                    break;
699                case MSG_UPDATE_DREAMING_SLEEP_TOKEN:
700                    updateDreamingSleepToken(msg.arg1 != 0);
701                    break;
702                case MSG_REQUEST_TRANSIENT_BARS:
703                    WindowState targetBar = (msg.arg1 == MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS) ?
704                            mStatusBar : mNavigationBar;
705                    if (targetBar != null) {
706                        requestTransientBars(targetBar);
707                    }
708                    break;
709            }
710        }
711    }
712
713    private UEventObserver mHDMIObserver = new UEventObserver() {
714        @Override
715        public void onUEvent(UEventObserver.UEvent event) {
716            setHdmiPlugged("1".equals(event.get("SWITCH_STATE")));
717        }
718    };
719
720    class SettingsObserver extends ContentObserver {
721        SettingsObserver(Handler handler) {
722            super(handler);
723        }
724
725        void observe() {
726            // Observe all users' changes
727            ContentResolver resolver = mContext.getContentResolver();
728            resolver.registerContentObserver(Settings.System.getUriFor(
729                    Settings.System.END_BUTTON_BEHAVIOR), false, this,
730                    UserHandle.USER_ALL);
731            resolver.registerContentObserver(Settings.Secure.getUriFor(
732                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR), false, this,
733                    UserHandle.USER_ALL);
734            resolver.registerContentObserver(Settings.Secure.getUriFor(
735                    Settings.Secure.WAKE_GESTURE_ENABLED), false, this,
736                    UserHandle.USER_ALL);
737            resolver.registerContentObserver(Settings.System.getUriFor(
738                    Settings.System.ACCELEROMETER_ROTATION), false, this,
739                    UserHandle.USER_ALL);
740            resolver.registerContentObserver(Settings.System.getUriFor(
741                    Settings.System.USER_ROTATION), false, this,
742                    UserHandle.USER_ALL);
743            resolver.registerContentObserver(Settings.System.getUriFor(
744                    Settings.System.SCREEN_OFF_TIMEOUT), false, this,
745                    UserHandle.USER_ALL);
746            resolver.registerContentObserver(Settings.System.getUriFor(
747                    Settings.System.POINTER_LOCATION), false, this,
748                    UserHandle.USER_ALL);
749            resolver.registerContentObserver(Settings.Secure.getUriFor(
750                    Settings.Secure.DEFAULT_INPUT_METHOD), false, this,
751                    UserHandle.USER_ALL);
752            resolver.registerContentObserver(Settings.Secure.getUriFor(
753                    Settings.Secure.IMMERSIVE_MODE_CONFIRMATIONS), false, this,
754                    UserHandle.USER_ALL);
755            resolver.registerContentObserver(Settings.Global.getUriFor(
756                    Settings.Global.POLICY_CONTROL), false, this,
757                    UserHandle.USER_ALL);
758            updateSettings();
759        }
760
761        @Override public void onChange(boolean selfChange) {
762            updateSettings();
763            updateRotation(false);
764        }
765    }
766
767    class MyWakeGestureListener extends WakeGestureListener {
768        MyWakeGestureListener(Context context, Handler handler) {
769            super(context, handler);
770        }
771
772        @Override
773        public void onWakeUp() {
774            synchronized (mLock) {
775                if (shouldEnableWakeGestureLp()) {
776                    performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
777                    wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromWakeGesture,
778                            "android.policy:GESTURE");
779                }
780            }
781        }
782    }
783
784    class MyOrientationListener extends WindowOrientationListener {
785        private final Runnable mUpdateRotationRunnable = new Runnable() {
786            @Override
787            public void run() {
788                // send interaction hint to improve redraw performance
789                mPowerManagerInternal.powerHint(PowerManagerInternal.POWER_HINT_INTERACTION, 0);
790                updateRotation(false);
791            }
792        };
793
794        MyOrientationListener(Context context, Handler handler) {
795            super(context, handler);
796        }
797
798        @Override
799        public void onProposedRotationChanged(int rotation) {
800            if (localLOGV) Slog.v(TAG, "onProposedRotationChanged, rotation=" + rotation);
801            mHandler.post(mUpdateRotationRunnable);
802        }
803    }
804    MyOrientationListener mOrientationListener;
805
806    private final StatusBarController mStatusBarController = new StatusBarController();
807
808    private final BarController mNavigationBarController = new BarController("NavigationBar",
809            View.NAVIGATION_BAR_TRANSIENT,
810            View.NAVIGATION_BAR_UNHIDE,
811            View.NAVIGATION_BAR_TRANSLUCENT,
812            StatusBarManager.WINDOW_NAVIGATION_BAR,
813            WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION,
814            View.NAVIGATION_BAR_TRANSPARENT);
815
816    private ImmersiveModeConfirmation mImmersiveModeConfirmation;
817
818    private SystemGesturesPointerEventListener mSystemGestures;
819
820    IStatusBarService getStatusBarService() {
821        synchronized (mServiceAquireLock) {
822            if (mStatusBarService == null) {
823                mStatusBarService = IStatusBarService.Stub.asInterface(
824                        ServiceManager.getService("statusbar"));
825            }
826            return mStatusBarService;
827        }
828    }
829
830    /*
831     * We always let the sensor be switched on by default except when
832     * the user has explicitly disabled sensor based rotation or when the
833     * screen is switched off.
834     */
835    boolean needSensorRunningLp() {
836        if (mSupportAutoRotation) {
837            if (mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
838                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
839                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT
840                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE) {
841                // If the application has explicitly requested to follow the
842                // orientation, then we need to turn the sensor on.
843                return true;
844            }
845        }
846        if ((mCarDockEnablesAccelerometer && mDockMode == Intent.EXTRA_DOCK_STATE_CAR) ||
847                (mDeskDockEnablesAccelerometer && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
848                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
849                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK))) {
850            // enable accelerometer if we are docked in a dock that enables accelerometer
851            // orientation management,
852            return true;
853        }
854        if (mUserRotationMode == USER_ROTATION_LOCKED) {
855            // If the setting for using the sensor by default is enabled, then
856            // we will always leave it on.  Note that the user could go to
857            // a window that forces an orientation that does not use the
858            // sensor and in theory we could turn it off... however, when next
859            // turning it on we won't have a good value for the current
860            // orientation for a little bit, which can cause orientation
861            // changes to lag, so we'd like to keep it always on.  (It will
862            // still be turned off when the screen is off.)
863            return false;
864        }
865        return mSupportAutoRotation;
866    }
867
868    /*
869     * Various use cases for invoking this function
870     * screen turning off, should always disable listeners if already enabled
871     * screen turned on and current app has sensor based orientation, enable listeners
872     * if not already enabled
873     * screen turned on and current app does not have sensor orientation, disable listeners if
874     * already enabled
875     * screen turning on and current app has sensor based orientation, enable listeners if needed
876     * screen turning on and current app has nosensor based orientation, do nothing
877     */
878    void updateOrientationListenerLp() {
879        if (!mOrientationListener.canDetectOrientation()) {
880            // If sensor is turned off or nonexistent for some reason
881            return;
882        }
883        // Could have been invoked due to screen turning on or off or
884        // change of the currently visible window's orientation.
885        if (localLOGV) Slog.v(TAG, "mScreenOnEarly=" + mScreenOnEarly
886                + ", mAwake=" + mAwake + ", mCurrentAppOrientation=" + mCurrentAppOrientation
887                + ", mOrientationSensorEnabled=" + mOrientationSensorEnabled
888                + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
889                + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
890        boolean disable = true;
891        // Note: We postpone the rotating of the screen until the keyguard as well as the
892        // window manager have reported a draw complete.
893        if (mScreenOnEarly && mAwake &&
894                mKeyguardDrawComplete && mWindowManagerDrawComplete) {
895            if (needSensorRunningLp()) {
896                disable = false;
897                //enable listener if not already enabled
898                if (!mOrientationSensorEnabled) {
899                    mOrientationListener.enable();
900                    if(localLOGV) Slog.v(TAG, "Enabling listeners");
901                    mOrientationSensorEnabled = true;
902                }
903            }
904        }
905        //check if sensors need to be disabled
906        if (disable && mOrientationSensorEnabled) {
907            mOrientationListener.disable();
908            if(localLOGV) Slog.v(TAG, "Disabling listeners");
909            mOrientationSensorEnabled = false;
910        }
911    }
912
913    private void interceptPowerKeyDown(KeyEvent event, boolean interactive) {
914        // Hold a wake lock until the power key is released.
915        if (!mPowerKeyWakeLock.isHeld()) {
916            mPowerKeyWakeLock.acquire();
917        }
918
919        // Cancel multi-press detection timeout.
920        if (mPowerKeyPressCounter != 0) {
921            mHandler.removeMessages(MSG_POWER_DELAYED_PRESS);
922        }
923
924        // Detect user pressing the power button in panic when an application has
925        // taken over the whole screen.
926        boolean panic = mImmersiveModeConfirmation.onPowerKeyDown(interactive,
927                SystemClock.elapsedRealtime(), isImmersiveMode(mLastSystemUiFlags));
928        if (panic) {
929            mHandler.post(mHiddenNavPanic);
930        }
931
932        // Latch power key state to detect screenshot chord.
933        if (interactive && !mScreenshotChordPowerKeyTriggered
934                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
935            mScreenshotChordPowerKeyTriggered = true;
936            mScreenshotChordPowerKeyTime = event.getDownTime();
937            interceptScreenshotChord();
938        }
939
940        // Stop ringing or end call if configured to do so when power is pressed.
941        TelecomManager telecomManager = getTelecommService();
942        boolean hungUp = false;
943        if (telecomManager != null) {
944            if (telecomManager.isRinging()) {
945                // Pressing Power while there's a ringing incoming
946                // call should silence the ringer.
947                telecomManager.silenceRinger();
948            } else if ((mIncallPowerBehavior
949                    & Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP) != 0
950                    && telecomManager.isInCall() && interactive) {
951                // Otherwise, if "Power button ends call" is enabled,
952                // the Power button will hang up any current active call.
953                hungUp = telecomManager.endCall();
954            }
955        }
956
957        GestureLauncherService gestureService = LocalServices.getService(
958                GestureLauncherService.class);
959        boolean gesturedServiceIntercepted = false;
960        if (gestureService != null) {
961            gesturedServiceIntercepted = gestureService.interceptPowerKeyDown(event, interactive);
962        }
963
964        // If the power key has still not yet been handled, then detect short
965        // press, long press, or multi press and decide what to do.
966        mPowerKeyHandled = hungUp || mScreenshotChordVolumeDownKeyTriggered
967                || mScreenshotChordVolumeUpKeyTriggered || gesturedServiceIntercepted;
968        if (!mPowerKeyHandled) {
969            if (interactive) {
970                // When interactive, we're already awake.
971                // Wait for a long press or for the button to be released to decide what to do.
972                if (hasLongPressOnPowerBehavior()) {
973                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
974                    msg.setAsynchronous(true);
975                    mHandler.sendMessageDelayed(msg,
976                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
977                }
978            } else {
979                wakeUpFromPowerKey(event.getDownTime());
980
981                if (mSupportLongPressPowerWhenNonInteractive && hasLongPressOnPowerBehavior()) {
982                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
983                    msg.setAsynchronous(true);
984                    mHandler.sendMessageDelayed(msg,
985                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
986                    mBeganFromNonInteractive = true;
987                } else {
988                    final int maxCount = getMaxMultiPressPowerCount();
989
990                    if (maxCount <= 1) {
991                        mPowerKeyHandled = true;
992                    } else {
993                        mBeganFromNonInteractive = true;
994                    }
995                }
996            }
997        }
998    }
999
1000    private void interceptPowerKeyUp(KeyEvent event, boolean interactive, boolean canceled) {
1001        final boolean handled = canceled || mPowerKeyHandled;
1002        mScreenshotChordPowerKeyTriggered = false;
1003        cancelPendingScreenshotChordAction();
1004        cancelPendingPowerKeyAction();
1005
1006        if (!handled) {
1007            // Figure out how to handle the key now that it has been released.
1008            mPowerKeyPressCounter += 1;
1009
1010            final int maxCount = getMaxMultiPressPowerCount();
1011            final long eventTime = event.getDownTime();
1012            if (mPowerKeyPressCounter < maxCount) {
1013                // This could be a multi-press.  Wait a little bit longer to confirm.
1014                // Continue holding the wake lock.
1015                Message msg = mHandler.obtainMessage(MSG_POWER_DELAYED_PRESS,
1016                        interactive ? 1 : 0, mPowerKeyPressCounter, eventTime);
1017                msg.setAsynchronous(true);
1018                mHandler.sendMessageDelayed(msg, ViewConfiguration.getDoubleTapTimeout());
1019                return;
1020            }
1021
1022            // No other actions.  Handle it immediately.
1023            powerPress(eventTime, interactive, mPowerKeyPressCounter);
1024        }
1025
1026        // Done.  Reset our state.
1027        finishPowerKeyPress();
1028    }
1029
1030    private void finishPowerKeyPress() {
1031        mBeganFromNonInteractive = false;
1032        mPowerKeyPressCounter = 0;
1033        if (mPowerKeyWakeLock.isHeld()) {
1034            mPowerKeyWakeLock.release();
1035        }
1036    }
1037
1038    private void cancelPendingPowerKeyAction() {
1039        if (!mPowerKeyHandled) {
1040            mPowerKeyHandled = true;
1041            mHandler.removeMessages(MSG_POWER_LONG_PRESS);
1042        }
1043    }
1044
1045    private void powerPress(long eventTime, boolean interactive, int count) {
1046        if (mScreenOnEarly && !mScreenOnFully) {
1047            Slog.i(TAG, "Suppressed redundant power key press while "
1048                    + "already in the process of turning the screen on.");
1049            return;
1050        }
1051
1052        if (count == 2) {
1053            powerMultiPressAction(eventTime, interactive, mDoublePressOnPowerBehavior);
1054        } else if (count == 3) {
1055            powerMultiPressAction(eventTime, interactive, mTriplePressOnPowerBehavior);
1056        } else if (interactive && !mBeganFromNonInteractive) {
1057            switch (mShortPressOnPowerBehavior) {
1058                case SHORT_PRESS_POWER_NOTHING:
1059                    break;
1060                case SHORT_PRESS_POWER_GO_TO_SLEEP:
1061                    mPowerManager.goToSleep(eventTime,
1062                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1063                    break;
1064                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP:
1065                    mPowerManager.goToSleep(eventTime,
1066                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1067                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1068                    break;
1069                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME:
1070                    mPowerManager.goToSleep(eventTime,
1071                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1072                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1073                    launchHomeFromHotKey();
1074                    break;
1075                case SHORT_PRESS_POWER_GO_HOME:
1076                    launchHomeFromHotKey(true /* awakenFromDreams */, false /*respectKeyguard*/);
1077                    break;
1078            }
1079        }
1080    }
1081
1082    private void powerMultiPressAction(long eventTime, boolean interactive, int behavior) {
1083        switch (behavior) {
1084            case MULTI_PRESS_POWER_NOTHING:
1085                break;
1086            case MULTI_PRESS_POWER_THEATER_MODE:
1087                if (!isUserSetupComplete()) {
1088                    Slog.i(TAG, "Ignoring toggling theater mode - device not setup.");
1089                    break;
1090                }
1091
1092                if (isTheaterModeEnabled()) {
1093                    Slog.i(TAG, "Toggling theater mode off.");
1094                    Settings.Global.putInt(mContext.getContentResolver(),
1095                            Settings.Global.THEATER_MODE_ON, 0);
1096                    if (!interactive) {
1097                        wakeUpFromPowerKey(eventTime);
1098                    }
1099                } else {
1100                    Slog.i(TAG, "Toggling theater mode on.");
1101                    Settings.Global.putInt(mContext.getContentResolver(),
1102                            Settings.Global.THEATER_MODE_ON, 1);
1103
1104                    if (mGoToSleepOnButtonPressTheaterMode && interactive) {
1105                        mPowerManager.goToSleep(eventTime,
1106                                PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1107                    }
1108                }
1109                break;
1110            case MULTI_PRESS_POWER_BRIGHTNESS_BOOST:
1111                Slog.i(TAG, "Starting brightness boost.");
1112                if (!interactive) {
1113                    wakeUpFromPowerKey(eventTime);
1114                }
1115                mPowerManager.boostScreenBrightness(eventTime);
1116                break;
1117        }
1118    }
1119
1120    private int getMaxMultiPressPowerCount() {
1121        if (mTriplePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1122            return 3;
1123        }
1124        if (mDoublePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1125            return 2;
1126        }
1127        return 1;
1128    }
1129
1130    private void powerLongPress() {
1131        final int behavior = getResolvedLongPressOnPowerBehavior();
1132        switch (behavior) {
1133        case LONG_PRESS_POWER_NOTHING:
1134            break;
1135        case LONG_PRESS_POWER_GLOBAL_ACTIONS:
1136            mPowerKeyHandled = true;
1137            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1138                performAuditoryFeedbackForAccessibilityIfNeed();
1139            }
1140            showGlobalActionsInternal();
1141            break;
1142        case LONG_PRESS_POWER_SHUT_OFF:
1143        case LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM:
1144            mPowerKeyHandled = true;
1145            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1146            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1147            mWindowManagerFuncs.shutdown(behavior == LONG_PRESS_POWER_SHUT_OFF);
1148            break;
1149        }
1150    }
1151
1152    private void sleepPress(long eventTime) {
1153        if (mShortPressOnSleepBehavior == SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME) {
1154            launchHomeFromHotKey(false /* awakenDreams */, true /*respectKeyguard*/);
1155        }
1156    }
1157
1158    private void sleepRelease(long eventTime) {
1159        switch (mShortPressOnSleepBehavior) {
1160            case SHORT_PRESS_SLEEP_GO_TO_SLEEP:
1161            case SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME:
1162                Slog.i(TAG, "sleepRelease() calling goToSleep(GO_TO_SLEEP_REASON_SLEEP_BUTTON)");
1163                mPowerManager.goToSleep(eventTime,
1164                       PowerManager.GO_TO_SLEEP_REASON_SLEEP_BUTTON, 0);
1165                break;
1166        }
1167    }
1168
1169    private int getResolvedLongPressOnPowerBehavior() {
1170        if (FactoryTest.isLongPressOnPowerOffEnabled()) {
1171            return LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;
1172        }
1173        return mLongPressOnPowerBehavior;
1174    }
1175
1176    private boolean hasLongPressOnPowerBehavior() {
1177        return getResolvedLongPressOnPowerBehavior() != LONG_PRESS_POWER_NOTHING;
1178    }
1179
1180    private void interceptScreenshotChord() {
1181        if (mScreenshotChordEnabled
1182                && mScreenshotChordVolumeDownKeyTriggered && mScreenshotChordPowerKeyTriggered
1183                && !mScreenshotChordVolumeUpKeyTriggered) {
1184            final long now = SystemClock.uptimeMillis();
1185            if (now <= mScreenshotChordVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS
1186                    && now <= mScreenshotChordPowerKeyTime
1187                            + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS) {
1188                mScreenshotChordVolumeDownKeyConsumed = true;
1189                cancelPendingPowerKeyAction();
1190
1191                mHandler.postDelayed(mScreenshotRunnable, getScreenshotChordLongPressDelay());
1192            }
1193        }
1194    }
1195
1196    private long getScreenshotChordLongPressDelay() {
1197        if (mKeyguardDelegate.isShowing()) {
1198            // Double the time it takes to take a screenshot from the keyguard
1199            return (long) (KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER *
1200                    ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1201        }
1202        return ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout();
1203    }
1204
1205    private void cancelPendingScreenshotChordAction() {
1206        mHandler.removeCallbacks(mScreenshotRunnable);
1207    }
1208
1209    private final Runnable mEndCallLongPress = new Runnable() {
1210        @Override
1211        public void run() {
1212            mEndCallKeyHandled = true;
1213            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1214                performAuditoryFeedbackForAccessibilityIfNeed();
1215            }
1216            showGlobalActionsInternal();
1217        }
1218    };
1219
1220    private final Runnable mScreenshotRunnable = new Runnable() {
1221        @Override
1222        public void run() {
1223            takeScreenshot();
1224        }
1225    };
1226
1227    @Override
1228    public void showGlobalActions() {
1229        mHandler.removeMessages(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1230        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1231    }
1232
1233    void showGlobalActionsInternal() {
1234        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1235        if (mGlobalActions == null) {
1236            mGlobalActions = new GlobalActions(mContext, mWindowManagerFuncs);
1237        }
1238        final boolean keyguardShowing = isKeyguardShowingAndNotOccluded();
1239        mGlobalActions.showDialog(keyguardShowing, isDeviceProvisioned());
1240        if (keyguardShowing) {
1241            // since it took two seconds of long press to bring this up,
1242            // poke the wake lock so they have some time to see the dialog.
1243            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
1244        }
1245    }
1246
1247    boolean isDeviceProvisioned() {
1248        return Settings.Global.getInt(
1249                mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0;
1250    }
1251
1252    boolean isUserSetupComplete() {
1253        return Settings.Secure.getIntForUser(mContext.getContentResolver(),
1254                Settings.Secure.USER_SETUP_COMPLETE, 0, UserHandle.USER_CURRENT) != 0;
1255    }
1256
1257    private void handleShortPressOnHome() {
1258        // Turn on the connected TV and switch HDMI input if we're a HDMI playback device.
1259        getHdmiControl().turnOnTv();
1260
1261        // If there's a dream running then use home to escape the dream
1262        // but don't actually go home.
1263        if (mDreamManagerInternal != null && mDreamManagerInternal.isDreaming()) {
1264            mDreamManagerInternal.stopDream(false /*immediate*/);
1265            return;
1266        }
1267
1268        // Go home!
1269        launchHomeFromHotKey();
1270    }
1271
1272    /**
1273     * Creates an accessor to HDMI control service that performs the operation of
1274     * turning on TV (optional) and switching input to us. If HDMI control service
1275     * is not available or we're not a HDMI playback device, the operation is no-op.
1276     */
1277    private HdmiControl getHdmiControl() {
1278        if (null == mHdmiControl) {
1279            HdmiControlManager manager = (HdmiControlManager) mContext.getSystemService(
1280                        Context.HDMI_CONTROL_SERVICE);
1281            HdmiPlaybackClient client = null;
1282            if (manager != null) {
1283                client = manager.getPlaybackClient();
1284            }
1285            mHdmiControl = new HdmiControl(client);
1286        }
1287        return mHdmiControl;
1288    }
1289
1290    private static class HdmiControl {
1291        private final HdmiPlaybackClient mClient;
1292
1293        private HdmiControl(HdmiPlaybackClient client) {
1294            mClient = client;
1295        }
1296
1297        public void turnOnTv() {
1298            if (mClient == null) {
1299                return;
1300            }
1301            mClient.oneTouchPlay(new OneTouchPlayCallback() {
1302                @Override
1303                public void onComplete(int result) {
1304                    if (result != HdmiControlManager.RESULT_SUCCESS) {
1305                        Log.w(TAG, "One touch play failed: " + result);
1306                    }
1307                }
1308            });
1309        }
1310    }
1311
1312    private void handleLongPressOnHome(int deviceId) {
1313        if (mLongPressOnHomeBehavior != LONG_PRESS_HOME_NOTHING) {
1314            mHomeConsumed = true;
1315            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1316
1317            if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI) {
1318                toggleRecentApps();
1319            } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_ASSIST) {
1320                launchAssistAction(null, deviceId);
1321            }
1322        }
1323    }
1324
1325    private void handleDoubleTapOnHome() {
1326        if (mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1327            mHomeConsumed = true;
1328            toggleRecentApps();
1329        }
1330    }
1331
1332    private final Runnable mHomeDoubleTapTimeoutRunnable = new Runnable() {
1333        @Override
1334        public void run() {
1335            if (mHomeDoubleTapPending) {
1336                mHomeDoubleTapPending = false;
1337                handleShortPressOnHome();
1338            }
1339        }
1340    };
1341
1342    private boolean isRoundWindow() {
1343        return mContext.getResources().getConfiguration().isScreenRound();
1344    }
1345
1346    /** {@inheritDoc} */
1347    @Override
1348    public void init(Context context, IWindowManager windowManager,
1349            WindowManagerFuncs windowManagerFuncs) {
1350        mContext = context;
1351        mWindowManager = windowManager;
1352        mWindowManagerFuncs = windowManagerFuncs;
1353        mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class);
1354        mActivityManagerInternal = LocalServices.getService(ActivityManagerInternal.class);
1355        mDreamManagerInternal = LocalServices.getService(DreamManagerInternal.class);
1356        mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class);
1357        mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
1358
1359        // Init display burn-in protection
1360        boolean burnInProtectionEnabled = context.getResources().getBoolean(
1361                com.android.internal.R.bool.config_enableBurnInProtection);
1362        // Allow a system property to override this. Used by developer settings.
1363        boolean burnInProtectionDevMode =
1364                SystemProperties.getBoolean("persist.debug.force_burn_in", false);
1365        if (burnInProtectionEnabled || burnInProtectionDevMode) {
1366            final int minHorizontal;
1367            final int maxHorizontal;
1368            final int minVertical;
1369            final int maxVertical;
1370            final int maxRadius;
1371            if (burnInProtectionDevMode) {
1372                minHorizontal = -8;
1373                maxHorizontal = 8;
1374                minVertical = -8;
1375                maxVertical = -4;
1376                maxRadius = (isRoundWindow()) ? 6 : -1;
1377            } else {
1378                Resources resources = context.getResources();
1379                minHorizontal = resources.getInteger(
1380                        com.android.internal.R.integer.config_burnInProtectionMinHorizontalOffset);
1381                maxHorizontal = resources.getInteger(
1382                        com.android.internal.R.integer.config_burnInProtectionMaxHorizontalOffset);
1383                minVertical = resources.getInteger(
1384                        com.android.internal.R.integer.config_burnInProtectionMinVerticalOffset);
1385                maxVertical = resources.getInteger(
1386                        com.android.internal.R.integer.config_burnInProtectionMaxVerticalOffset);
1387                maxRadius = resources.getInteger(
1388                        com.android.internal.R.integer.config_burnInProtectionMaxRadius);
1389            }
1390            mBurnInProtectionHelper = new BurnInProtectionHelper(
1391                    context, minHorizontal, maxHorizontal, minVertical, maxVertical, maxRadius);
1392        }
1393
1394        mHandler = new PolicyHandler();
1395        mWakeGestureListener = new MyWakeGestureListener(mContext, mHandler);
1396        mOrientationListener = new MyOrientationListener(mContext, mHandler);
1397        try {
1398            mOrientationListener.setCurrentRotation(windowManager.getRotation());
1399        } catch (RemoteException ex) { }
1400        mSettingsObserver = new SettingsObserver(mHandler);
1401        mSettingsObserver.observe();
1402        mShortcutManager = new ShortcutManager(context);
1403        mUiMode = context.getResources().getInteger(
1404                com.android.internal.R.integer.config_defaultUiModeType);
1405        mHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
1406        mHomeIntent.addCategory(Intent.CATEGORY_HOME);
1407        mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1408                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1409        mEnableCarDockHomeCapture = context.getResources().getBoolean(
1410                com.android.internal.R.bool.config_enableCarDockHomeLaunch);
1411        mCarDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1412        mCarDockIntent.addCategory(Intent.CATEGORY_CAR_DOCK);
1413        mCarDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1414                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1415        mDeskDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1416        mDeskDockIntent.addCategory(Intent.CATEGORY_DESK_DOCK);
1417        mDeskDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1418                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1419
1420        mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
1421        mBroadcastWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1422                "PhoneWindowManager.mBroadcastWakeLock");
1423        mPowerKeyWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1424                "PhoneWindowManager.mPowerKeyWakeLock");
1425        mEnableShiftMenuBugReports = "1".equals(SystemProperties.get("ro.debuggable"));
1426        mSupportAutoRotation = mContext.getResources().getBoolean(
1427                com.android.internal.R.bool.config_supportAutoRotation);
1428        mLidOpenRotation = readRotation(
1429                com.android.internal.R.integer.config_lidOpenRotation);
1430        mCarDockRotation = readRotation(
1431                com.android.internal.R.integer.config_carDockRotation);
1432        mDeskDockRotation = readRotation(
1433                com.android.internal.R.integer.config_deskDockRotation);
1434        mUndockedHdmiRotation = readRotation(
1435                com.android.internal.R.integer.config_undockedHdmiRotation);
1436        mCarDockEnablesAccelerometer = mContext.getResources().getBoolean(
1437                com.android.internal.R.bool.config_carDockEnablesAccelerometer);
1438        mDeskDockEnablesAccelerometer = mContext.getResources().getBoolean(
1439                com.android.internal.R.bool.config_deskDockEnablesAccelerometer);
1440        mLidKeyboardAccessibility = mContext.getResources().getInteger(
1441                com.android.internal.R.integer.config_lidKeyboardAccessibility);
1442        mLidNavigationAccessibility = mContext.getResources().getInteger(
1443                com.android.internal.R.integer.config_lidNavigationAccessibility);
1444        mLidControlsScreenLock = mContext.getResources().getBoolean(
1445                com.android.internal.R.bool.config_lidControlsScreenLock);
1446        mLidControlsSleep = mContext.getResources().getBoolean(
1447                com.android.internal.R.bool.config_lidControlsSleep);
1448        mTranslucentDecorEnabled = mContext.getResources().getBoolean(
1449                com.android.internal.R.bool.config_enableTranslucentDecor);
1450
1451        mAllowTheaterModeWakeFromKey = mContext.getResources().getBoolean(
1452                com.android.internal.R.bool.config_allowTheaterModeWakeFromKey);
1453        mAllowTheaterModeWakeFromPowerKey = mAllowTheaterModeWakeFromKey
1454                || mContext.getResources().getBoolean(
1455                    com.android.internal.R.bool.config_allowTheaterModeWakeFromPowerKey);
1456        mAllowTheaterModeWakeFromMotion = mContext.getResources().getBoolean(
1457                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotion);
1458        mAllowTheaterModeWakeFromMotionWhenNotDreaming = mContext.getResources().getBoolean(
1459                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotionWhenNotDreaming);
1460        mAllowTheaterModeWakeFromCameraLens = mContext.getResources().getBoolean(
1461                com.android.internal.R.bool.config_allowTheaterModeWakeFromCameraLens);
1462        mAllowTheaterModeWakeFromLidSwitch = mContext.getResources().getBoolean(
1463                com.android.internal.R.bool.config_allowTheaterModeWakeFromLidSwitch);
1464        mAllowTheaterModeWakeFromWakeGesture = mContext.getResources().getBoolean(
1465                com.android.internal.R.bool.config_allowTheaterModeWakeFromGesture);
1466
1467        mGoToSleepOnButtonPressTheaterMode = mContext.getResources().getBoolean(
1468                com.android.internal.R.bool.config_goToSleepOnButtonPressTheaterMode);
1469
1470        mSupportLongPressPowerWhenNonInteractive = mContext.getResources().getBoolean(
1471                com.android.internal.R.bool.config_supportLongPressPowerWhenNonInteractive);
1472
1473        mShortPressOnPowerBehavior = mContext.getResources().getInteger(
1474                com.android.internal.R.integer.config_shortPressOnPowerBehavior);
1475        mLongPressOnPowerBehavior = mContext.getResources().getInteger(
1476                com.android.internal.R.integer.config_longPressOnPowerBehavior);
1477        mDoublePressOnPowerBehavior = mContext.getResources().getInteger(
1478                com.android.internal.R.integer.config_doublePressOnPowerBehavior);
1479        mTriplePressOnPowerBehavior = mContext.getResources().getInteger(
1480                com.android.internal.R.integer.config_triplePressOnPowerBehavior);
1481        mShortPressOnSleepBehavior = mContext.getResources().getInteger(
1482                com.android.internal.R.integer.config_shortPressOnSleepBehavior);
1483
1484        mUseTvRouting = AudioSystem.getPlatformType(mContext) == AudioSystem.PLATFORM_TELEVISION;
1485
1486        readConfigurationDependentBehaviors();
1487
1488        mAccessibilityManager = (AccessibilityManager) context.getSystemService(
1489                Context.ACCESSIBILITY_SERVICE);
1490
1491        // register for dock events
1492        IntentFilter filter = new IntentFilter();
1493        filter.addAction(UiModeManager.ACTION_ENTER_CAR_MODE);
1494        filter.addAction(UiModeManager.ACTION_EXIT_CAR_MODE);
1495        filter.addAction(UiModeManager.ACTION_ENTER_DESK_MODE);
1496        filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
1497        filter.addAction(Intent.ACTION_DOCK_EVENT);
1498        Intent intent = context.registerReceiver(mDockReceiver, filter);
1499        if (intent != null) {
1500            // Retrieve current sticky dock event broadcast.
1501            mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
1502                    Intent.EXTRA_DOCK_STATE_UNDOCKED);
1503        }
1504
1505        // register for dream-related broadcasts
1506        filter = new IntentFilter();
1507        filter.addAction(Intent.ACTION_DREAMING_STARTED);
1508        filter.addAction(Intent.ACTION_DREAMING_STOPPED);
1509        context.registerReceiver(mDreamReceiver, filter);
1510
1511        // register for multiuser-relevant broadcasts
1512        filter = new IntentFilter(Intent.ACTION_USER_SWITCHED);
1513        context.registerReceiver(mMultiuserReceiver, filter);
1514
1515        // monitor for system gestures
1516        mSystemGestures = new SystemGesturesPointerEventListener(context,
1517                new SystemGesturesPointerEventListener.Callbacks() {
1518                    @Override
1519                    public void onSwipeFromTop() {
1520                        if (mStatusBar != null) {
1521                            requestTransientBars(mStatusBar);
1522                        }
1523                    }
1524                    @Override
1525                    public void onSwipeFromBottom() {
1526                        if (mNavigationBar != null && mNavigationBarOnBottom) {
1527                            requestTransientBars(mNavigationBar);
1528                        }
1529                    }
1530                    @Override
1531                    public void onSwipeFromRight() {
1532                        if (mNavigationBar != null && !mNavigationBarOnBottom) {
1533                            requestTransientBars(mNavigationBar);
1534                        }
1535                    }
1536                    @Override
1537                    public void onFling(int duration) {
1538                        if (mPowerManagerInternal != null) {
1539                            mPowerManagerInternal.powerHint(
1540                                    PowerManagerInternal.POWER_HINT_INTERACTION, duration);
1541                        }
1542                    }
1543                    @Override
1544                    public void onDebug() {
1545                        // no-op
1546                    }
1547                    @Override
1548                    public void onDown() {
1549                        mOrientationListener.onTouchStart();
1550                    }
1551                    @Override
1552                    public void onUpOrCancel() {
1553                        mOrientationListener.onTouchEnd();
1554                    }
1555                    @Override
1556                    public void onMouseHoverAtTop() {
1557                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1558                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
1559                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS;
1560                        mHandler.sendMessageDelayed(msg, 500);
1561                    }
1562                    @Override
1563                    public void onMouseHoverAtBottom() {
1564                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1565                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
1566                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION;
1567                        mHandler.sendMessageDelayed(msg, 500);
1568                    }
1569                    @Override
1570                    public void onMouseLeaveFromEdge() {
1571                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1572                    }
1573                });
1574        mImmersiveModeConfirmation = new ImmersiveModeConfirmation(mContext);
1575        mWindowManagerFuncs.registerPointerEventListener(mSystemGestures);
1576
1577        mVibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE);
1578        mLongPressVibePattern = getLongIntArray(mContext.getResources(),
1579                com.android.internal.R.array.config_longPressVibePattern);
1580        mVirtualKeyVibePattern = getLongIntArray(mContext.getResources(),
1581                com.android.internal.R.array.config_virtualKeyVibePattern);
1582        mKeyboardTapVibePattern = getLongIntArray(mContext.getResources(),
1583                com.android.internal.R.array.config_keyboardTapVibePattern);
1584        mClockTickVibePattern = getLongIntArray(mContext.getResources(),
1585                com.android.internal.R.array.config_clockTickVibePattern);
1586        mCalendarDateVibePattern = getLongIntArray(mContext.getResources(),
1587                com.android.internal.R.array.config_calendarDateVibePattern);
1588        mSafeModeDisabledVibePattern = getLongIntArray(mContext.getResources(),
1589                com.android.internal.R.array.config_safeModeDisabledVibePattern);
1590        mSafeModeEnabledVibePattern = getLongIntArray(mContext.getResources(),
1591                com.android.internal.R.array.config_safeModeEnabledVibePattern);
1592        mContextClickVibePattern = getLongIntArray(mContext.getResources(),
1593                com.android.internal.R.array.config_contextClickVibePattern);
1594
1595        mScreenshotChordEnabled = mContext.getResources().getBoolean(
1596                com.android.internal.R.bool.config_enableScreenshotChord);
1597        mForceWindowDrawsStatusBarBackground = mContext.getResources().getBoolean(
1598                R.bool.config_forceWindowDrawsStatusBarBackground);
1599
1600        mGlobalKeyManager = new GlobalKeyManager(mContext);
1601
1602        // Controls rotation and the like.
1603        initializeHdmiState();
1604
1605        // Match current screen state.
1606        if (!mPowerManager.isInteractive()) {
1607            startedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1608            finishedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1609        }
1610
1611        mWindowManagerInternal.registerAppTransitionListener(
1612                mStatusBarController.getAppTransitionListener());
1613    }
1614
1615    /**
1616     * Read values from config.xml that may be overridden depending on
1617     * the configuration of the device.
1618     * eg. Disable long press on home goes to recents on sw600dp.
1619     */
1620    private void readConfigurationDependentBehaviors() {
1621        mLongPressOnHomeBehavior = mContext.getResources().getInteger(
1622                com.android.internal.R.integer.config_longPressOnHomeBehavior);
1623        if (mLongPressOnHomeBehavior < LONG_PRESS_HOME_NOTHING ||
1624                mLongPressOnHomeBehavior > LONG_PRESS_HOME_ASSIST) {
1625            mLongPressOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1626        }
1627
1628        mDoubleTapOnHomeBehavior = mContext.getResources().getInteger(
1629                com.android.internal.R.integer.config_doubleTapOnHomeBehavior);
1630        if (mDoubleTapOnHomeBehavior < DOUBLE_TAP_HOME_NOTHING ||
1631                mDoubleTapOnHomeBehavior > DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1632            mDoubleTapOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1633        }
1634    }
1635
1636    @Override
1637    public void setInitialDisplaySize(Display display, int width, int height, int density) {
1638        // This method might be called before the policy has been fully initialized
1639        // or for other displays we don't care about.
1640        if (mContext == null || display.getDisplayId() != Display.DEFAULT_DISPLAY) {
1641            return;
1642        }
1643        mDisplay = display;
1644
1645        final Resources res = mContext.getResources();
1646        int shortSize, longSize;
1647        if (width > height) {
1648            shortSize = height;
1649            longSize = width;
1650            mLandscapeRotation = Surface.ROTATION_0;
1651            mSeascapeRotation = Surface.ROTATION_180;
1652            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1653                mPortraitRotation = Surface.ROTATION_90;
1654                mUpsideDownRotation = Surface.ROTATION_270;
1655            } else {
1656                mPortraitRotation = Surface.ROTATION_270;
1657                mUpsideDownRotation = Surface.ROTATION_90;
1658            }
1659        } else {
1660            shortSize = width;
1661            longSize = height;
1662            mPortraitRotation = Surface.ROTATION_0;
1663            mUpsideDownRotation = Surface.ROTATION_180;
1664            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1665                mLandscapeRotation = Surface.ROTATION_270;
1666                mSeascapeRotation = Surface.ROTATION_90;
1667            } else {
1668                mLandscapeRotation = Surface.ROTATION_90;
1669                mSeascapeRotation = Surface.ROTATION_270;
1670            }
1671        }
1672
1673        mStatusBarHeight =
1674                res.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
1675
1676        // Height of the navigation bar when presented horizontally at bottom
1677        mNavigationBarHeightForRotation[mPortraitRotation] =
1678        mNavigationBarHeightForRotation[mUpsideDownRotation] =
1679                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_height);
1680        mNavigationBarHeightForRotation[mLandscapeRotation] =
1681        mNavigationBarHeightForRotation[mSeascapeRotation] = res.getDimensionPixelSize(
1682                com.android.internal.R.dimen.navigation_bar_height_landscape);
1683
1684        // Width of the navigation bar when presented vertically along one side
1685        mNavigationBarWidthForRotation[mPortraitRotation] =
1686        mNavigationBarWidthForRotation[mUpsideDownRotation] =
1687        mNavigationBarWidthForRotation[mLandscapeRotation] =
1688        mNavigationBarWidthForRotation[mSeascapeRotation] =
1689                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_width);
1690
1691        // SystemUI (status bar) layout policy
1692        int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT / density;
1693        int longSizeDp = longSize * DisplayMetrics.DENSITY_DEFAULT / density;
1694
1695        // Allow the navigation bar to move on non-square small devices (phones).
1696        mNavigationBarCanMove = width != height && shortSizeDp < 600;
1697
1698        mHasNavigationBar = res.getBoolean(com.android.internal.R.bool.config_showNavigationBar);
1699        // Allow a system property to override this. Used by the emulator.
1700        // See also hasNavigationBar().
1701        String navBarOverride = SystemProperties.get("qemu.hw.mainkeys");
1702        if ("1".equals(navBarOverride)) {
1703            mHasNavigationBar = false;
1704        } else if ("0".equals(navBarOverride)) {
1705            mHasNavigationBar = true;
1706        }
1707
1708        // For demo purposes, allow the rotation of the HDMI display to be controlled.
1709        // By default, HDMI locks rotation to landscape.
1710        if ("portrait".equals(SystemProperties.get("persist.demo.hdmirotation"))) {
1711            mDemoHdmiRotation = mPortraitRotation;
1712        } else {
1713            mDemoHdmiRotation = mLandscapeRotation;
1714        }
1715        mDemoHdmiRotationLock = SystemProperties.getBoolean("persist.demo.hdmirotationlock", false);
1716
1717        // For demo purposes, allow the rotation of the remote display to be controlled.
1718        // By default, remote display locks rotation to landscape.
1719        if ("portrait".equals(SystemProperties.get("persist.demo.remoterotation"))) {
1720            mDemoRotation = mPortraitRotation;
1721        } else {
1722            mDemoRotation = mLandscapeRotation;
1723        }
1724        mDemoRotationLock = SystemProperties.getBoolean(
1725                "persist.demo.rotationlock", false);
1726
1727        // Only force the default orientation if the screen is xlarge, at least 960dp x 720dp, per
1728        // http://developer.android.com/guide/practices/screens_support.html#range
1729        mForceDefaultOrientation = longSizeDp >= 960 && shortSizeDp >= 720 &&
1730                res.getBoolean(com.android.internal.R.bool.config_forceDefaultOrientation) &&
1731                // For debug purposes the next line turns this feature off with:
1732                // $ adb shell setprop config.override_forced_orient true
1733                // $ adb shell wm size reset
1734                !"true".equals(SystemProperties.get("config.override_forced_orient"));
1735    }
1736
1737    /**
1738     * @return whether the navigation bar can be hidden, e.g. the device has a
1739     *         navigation bar and touch exploration is not enabled
1740     */
1741    private boolean canHideNavigationBar() {
1742        return mHasNavigationBar;
1743    }
1744
1745    @Override
1746    public boolean isDefaultOrientationForced() {
1747        return mForceDefaultOrientation;
1748    }
1749
1750    @Override
1751    public void setDisplayOverscan(Display display, int left, int top, int right, int bottom) {
1752        if (display.getDisplayId() == Display.DEFAULT_DISPLAY) {
1753            mOverscanLeft = left;
1754            mOverscanTop = top;
1755            mOverscanRight = right;
1756            mOverscanBottom = bottom;
1757        }
1758    }
1759
1760    public void updateSettings() {
1761        ContentResolver resolver = mContext.getContentResolver();
1762        boolean updateRotation = false;
1763        synchronized (mLock) {
1764            mEndcallBehavior = Settings.System.getIntForUser(resolver,
1765                    Settings.System.END_BUTTON_BEHAVIOR,
1766                    Settings.System.END_BUTTON_BEHAVIOR_DEFAULT,
1767                    UserHandle.USER_CURRENT);
1768            mIncallPowerBehavior = Settings.Secure.getIntForUser(resolver,
1769                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
1770                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT,
1771                    UserHandle.USER_CURRENT);
1772
1773            // Configure wake gesture.
1774            boolean wakeGestureEnabledSetting = Settings.Secure.getIntForUser(resolver,
1775                    Settings.Secure.WAKE_GESTURE_ENABLED, 0,
1776                    UserHandle.USER_CURRENT) != 0;
1777            if (mWakeGestureEnabledSetting != wakeGestureEnabledSetting) {
1778                mWakeGestureEnabledSetting = wakeGestureEnabledSetting;
1779                updateWakeGestureListenerLp();
1780            }
1781
1782            // Configure rotation lock.
1783            int userRotation = Settings.System.getIntForUser(resolver,
1784                    Settings.System.USER_ROTATION, Surface.ROTATION_0,
1785                    UserHandle.USER_CURRENT);
1786            if (mUserRotation != userRotation) {
1787                mUserRotation = userRotation;
1788                updateRotation = true;
1789            }
1790            int userRotationMode = Settings.System.getIntForUser(resolver,
1791                    Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
1792                            WindowManagerPolicy.USER_ROTATION_FREE :
1793                                    WindowManagerPolicy.USER_ROTATION_LOCKED;
1794            if (mUserRotationMode != userRotationMode) {
1795                mUserRotationMode = userRotationMode;
1796                updateRotation = true;
1797                updateOrientationListenerLp();
1798            }
1799
1800            if (mSystemReady) {
1801                int pointerLocation = Settings.System.getIntForUser(resolver,
1802                        Settings.System.POINTER_LOCATION, 0, UserHandle.USER_CURRENT);
1803                if (mPointerLocationMode != pointerLocation) {
1804                    mPointerLocationMode = pointerLocation;
1805                    mHandler.sendEmptyMessage(pointerLocation != 0 ?
1806                            MSG_ENABLE_POINTER_LOCATION : MSG_DISABLE_POINTER_LOCATION);
1807                }
1808            }
1809            // use screen off timeout setting as the timeout for the lockscreen
1810            mLockScreenTimeout = Settings.System.getIntForUser(resolver,
1811                    Settings.System.SCREEN_OFF_TIMEOUT, 0, UserHandle.USER_CURRENT);
1812            String imId = Settings.Secure.getStringForUser(resolver,
1813                    Settings.Secure.DEFAULT_INPUT_METHOD, UserHandle.USER_CURRENT);
1814            boolean hasSoftInput = imId != null && imId.length() > 0;
1815            if (mHasSoftInput != hasSoftInput) {
1816                mHasSoftInput = hasSoftInput;
1817                updateRotation = true;
1818            }
1819            if (mImmersiveModeConfirmation != null) {
1820                mImmersiveModeConfirmation.loadSetting(mCurrentUserId);
1821            }
1822        }
1823        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
1824            PolicyControl.reloadFromSetting(mContext);
1825        }
1826        if (updateRotation) {
1827            updateRotation(true);
1828        }
1829    }
1830
1831    private void updateWakeGestureListenerLp() {
1832        if (shouldEnableWakeGestureLp()) {
1833            mWakeGestureListener.requestWakeUpTrigger();
1834        } else {
1835            mWakeGestureListener.cancelWakeUpTrigger();
1836        }
1837    }
1838
1839    private boolean shouldEnableWakeGestureLp() {
1840        return mWakeGestureEnabledSetting && !mAwake
1841                && (!mLidControlsSleep || mLidState != LID_CLOSED)
1842                && mWakeGestureListener.isSupported();
1843    }
1844
1845    private void enablePointerLocation() {
1846        if (mPointerLocationView == null) {
1847            mPointerLocationView = new PointerLocationView(mContext);
1848            mPointerLocationView.setPrintCoords(false);
1849            WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
1850                    WindowManager.LayoutParams.MATCH_PARENT,
1851                    WindowManager.LayoutParams.MATCH_PARENT);
1852            lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
1853            lp.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN
1854                    | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
1855                    | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
1856                    | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
1857            if (ActivityManager.isHighEndGfx()) {
1858                lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
1859                lp.privateFlags |=
1860                        WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED;
1861            }
1862            lp.format = PixelFormat.TRANSLUCENT;
1863            lp.setTitle("PointerLocation");
1864            WindowManager wm = (WindowManager)
1865                    mContext.getSystemService(Context.WINDOW_SERVICE);
1866            lp.inputFeatures |= WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL;
1867            wm.addView(mPointerLocationView, lp);
1868            mWindowManagerFuncs.registerPointerEventListener(mPointerLocationView);
1869        }
1870    }
1871
1872    private void disablePointerLocation() {
1873        if (mPointerLocationView != null) {
1874            mWindowManagerFuncs.unregisterPointerEventListener(mPointerLocationView);
1875            WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
1876            wm.removeView(mPointerLocationView);
1877            mPointerLocationView = null;
1878        }
1879    }
1880
1881    private int readRotation(int resID) {
1882        try {
1883            int rotation = mContext.getResources().getInteger(resID);
1884            switch (rotation) {
1885                case 0:
1886                    return Surface.ROTATION_0;
1887                case 90:
1888                    return Surface.ROTATION_90;
1889                case 180:
1890                    return Surface.ROTATION_180;
1891                case 270:
1892                    return Surface.ROTATION_270;
1893            }
1894        } catch (Resources.NotFoundException e) {
1895            // fall through
1896        }
1897        return -1;
1898    }
1899
1900    /** {@inheritDoc} */
1901    @Override
1902    public int checkAddPermission(WindowManager.LayoutParams attrs, int[] outAppOp) {
1903        int type = attrs.type;
1904
1905        outAppOp[0] = AppOpsManager.OP_NONE;
1906
1907        if (!((type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW)
1908                || (type >= FIRST_SUB_WINDOW && type <= LAST_SUB_WINDOW)
1909                || (type >= FIRST_SYSTEM_WINDOW && type <= LAST_SYSTEM_WINDOW))) {
1910            return WindowManagerGlobal.ADD_INVALID_TYPE;
1911        }
1912
1913        if (type < FIRST_SYSTEM_WINDOW || type > LAST_SYSTEM_WINDOW) {
1914            // Window manager will make sure these are okay.
1915            return WindowManagerGlobal.ADD_OKAY;
1916        }
1917        String permission = null;
1918        switch (type) {
1919            case TYPE_TOAST:
1920                // XXX right now the app process has complete control over
1921                // this...  should introduce a token to let the system
1922                // monitor/control what they are doing.
1923                outAppOp[0] = AppOpsManager.OP_TOAST_WINDOW;
1924                break;
1925            case TYPE_DREAM:
1926            case TYPE_INPUT_METHOD:
1927            case TYPE_WALLPAPER:
1928            case TYPE_PRIVATE_PRESENTATION:
1929            case TYPE_VOICE_INTERACTION:
1930            case TYPE_ACCESSIBILITY_OVERLAY:
1931            case TYPE_QS_DIALOG:
1932                // The window manager will check these.
1933                break;
1934            case TYPE_PHONE:
1935            case TYPE_PRIORITY_PHONE:
1936            case TYPE_SYSTEM_ALERT:
1937            case TYPE_SYSTEM_ERROR:
1938            case TYPE_SYSTEM_OVERLAY:
1939                permission = android.Manifest.permission.SYSTEM_ALERT_WINDOW;
1940                outAppOp[0] = AppOpsManager.OP_SYSTEM_ALERT_WINDOW;
1941                break;
1942            default:
1943                permission = android.Manifest.permission.INTERNAL_SYSTEM_WINDOW;
1944        }
1945        if (permission != null) {
1946            if (permission == android.Manifest.permission.SYSTEM_ALERT_WINDOW) {
1947                final int callingUid = Binder.getCallingUid();
1948                // system processes will be automatically allowed privilege to draw
1949                if (callingUid == Process.SYSTEM_UID) {
1950                    return WindowManagerGlobal.ADD_OKAY;
1951                }
1952
1953                // check if user has enabled this operation. SecurityException will be thrown if
1954                // this app has not been allowed by the user
1955                final int mode = mAppOpsManager.checkOp(outAppOp[0], callingUid,
1956                        attrs.packageName);
1957                switch (mode) {
1958                    case AppOpsManager.MODE_ALLOWED:
1959                    case AppOpsManager.MODE_IGNORED:
1960                        // although we return ADD_OKAY for MODE_IGNORED, the added window will
1961                        // actually be hidden in WindowManagerService
1962                        return WindowManagerGlobal.ADD_OKAY;
1963                    case AppOpsManager.MODE_ERRORED:
1964                        return WindowManagerGlobal.ADD_PERMISSION_DENIED;
1965                    default:
1966                        // in the default mode, we will make a decision here based on
1967                        // checkCallingPermission()
1968                        if (mContext.checkCallingPermission(permission) !=
1969                                PackageManager.PERMISSION_GRANTED) {
1970                            return WindowManagerGlobal.ADD_PERMISSION_DENIED;
1971                        } else {
1972                            return WindowManagerGlobal.ADD_OKAY;
1973                        }
1974                }
1975            }
1976
1977            if (mContext.checkCallingOrSelfPermission(permission)
1978                    != PackageManager.PERMISSION_GRANTED) {
1979                return WindowManagerGlobal.ADD_PERMISSION_DENIED;
1980            }
1981        }
1982        return WindowManagerGlobal.ADD_OKAY;
1983    }
1984
1985    @Override
1986    public boolean checkShowToOwnerOnly(WindowManager.LayoutParams attrs) {
1987
1988        // If this switch statement is modified, modify the comment in the declarations of
1989        // the type in {@link WindowManager.LayoutParams} as well.
1990        switch (attrs.type) {
1991            default:
1992                // These are the windows that by default are shown only to the user that created
1993                // them. If this needs to be overridden, set
1994                // {@link WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS} in
1995                // {@link WindowManager.LayoutParams}. Note that permission
1996                // {@link android.Manifest.permission.INTERNAL_SYSTEM_WINDOW} is required as well.
1997                if ((attrs.privateFlags & PRIVATE_FLAG_SHOW_FOR_ALL_USERS) == 0) {
1998                    return true;
1999                }
2000                break;
2001
2002            // These are the windows that by default are shown to all users. However, to
2003            // protect against spoofing, check permissions below.
2004            case TYPE_APPLICATION_STARTING:
2005            case TYPE_BOOT_PROGRESS:
2006            case TYPE_DISPLAY_OVERLAY:
2007            case TYPE_INPUT_CONSUMER:
2008            case TYPE_KEYGUARD_SCRIM:
2009            case TYPE_KEYGUARD_DIALOG:
2010            case TYPE_MAGNIFICATION_OVERLAY:
2011            case TYPE_NAVIGATION_BAR:
2012            case TYPE_NAVIGATION_BAR_PANEL:
2013            case TYPE_PHONE:
2014            case TYPE_POINTER:
2015            case TYPE_PRIORITY_PHONE:
2016            case TYPE_SEARCH_BAR:
2017            case TYPE_STATUS_BAR:
2018            case TYPE_STATUS_BAR_PANEL:
2019            case TYPE_STATUS_BAR_SUB_PANEL:
2020            case TYPE_SYSTEM_DIALOG:
2021            case TYPE_VOLUME_OVERLAY:
2022            case TYPE_PRIVATE_PRESENTATION:
2023            case TYPE_DOCK_DIVIDER:
2024                break;
2025        }
2026
2027        // Check if third party app has set window to system window type.
2028        return mContext.checkCallingOrSelfPermission(
2029                android.Manifest.permission.INTERNAL_SYSTEM_WINDOW)
2030                        != PackageManager.PERMISSION_GRANTED;
2031    }
2032
2033    @Override
2034    public void adjustWindowParamsLw(WindowManager.LayoutParams attrs) {
2035        switch (attrs.type) {
2036            case TYPE_SYSTEM_OVERLAY:
2037            case TYPE_SECURE_SYSTEM_OVERLAY:
2038                // These types of windows can't receive input events.
2039                attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
2040                        | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
2041                attrs.flags &= ~WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
2042                break;
2043            case TYPE_STATUS_BAR:
2044
2045                // If the Keyguard is in a hidden state (occluded by another window), we force to
2046                // remove the wallpaper and keyguard flag so that any change in-flight after setting
2047                // the keyguard as occluded wouldn't set these flags again.
2048                // See {@link #processKeyguardSetHiddenResultLw}.
2049                if (mKeyguardHidden) {
2050                    attrs.flags &= ~WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
2051                    attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2052                }
2053                break;
2054        }
2055
2056        if (attrs.type != TYPE_STATUS_BAR) {
2057            // The status bar is the only window allowed to exhibit keyguard behavior.
2058            attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2059        }
2060
2061        if (ActivityManager.isHighEndGfx()) {
2062            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0) {
2063                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
2064            }
2065            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0
2066                    || mForceWindowDrawsStatusBarBackground) {
2067                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
2068            }
2069        }
2070    }
2071
2072    void readLidState() {
2073        mLidState = mWindowManagerFuncs.getLidState();
2074    }
2075
2076    private void readCameraLensCoverState() {
2077        mCameraLensCoverState = mWindowManagerFuncs.getCameraLensCoverState();
2078    }
2079
2080    private boolean isHidden(int accessibilityMode) {
2081        switch (accessibilityMode) {
2082            case 1:
2083                return mLidState == LID_CLOSED;
2084            case 2:
2085                return mLidState == LID_OPEN;
2086            default:
2087                return false;
2088        }
2089    }
2090
2091    /** {@inheritDoc} */
2092    @Override
2093    public void adjustConfigurationLw(Configuration config, int keyboardPresence,
2094            int navigationPresence) {
2095        mHaveBuiltInKeyboard = (keyboardPresence & PRESENCE_INTERNAL) != 0;
2096
2097        readConfigurationDependentBehaviors();
2098        readLidState();
2099        applyLidSwitchState();
2100
2101        if (config.keyboard == Configuration.KEYBOARD_NOKEYS
2102                || (keyboardPresence == PRESENCE_INTERNAL
2103                        && isHidden(mLidKeyboardAccessibility))) {
2104            config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_YES;
2105            if (!mHasSoftInput) {
2106                config.keyboardHidden = Configuration.KEYBOARDHIDDEN_YES;
2107            }
2108        }
2109
2110        if (config.navigation == Configuration.NAVIGATION_NONAV
2111                || (navigationPresence == PRESENCE_INTERNAL
2112                        && isHidden(mLidNavigationAccessibility))) {
2113            config.navigationHidden = Configuration.NAVIGATIONHIDDEN_YES;
2114        }
2115    }
2116
2117    /** {@inheritDoc} */
2118    @Override
2119    public int windowTypeToLayerLw(int type) {
2120        if (type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW) {
2121            return 2;
2122        }
2123        switch (type) {
2124        case TYPE_PRIVATE_PRESENTATION:
2125            return 2;
2126        case TYPE_WALLPAPER:
2127            // wallpaper is at the bottom, though the window manager may move it.
2128            return 2;
2129        case TYPE_DOCK_DIVIDER:
2130            return 2;
2131        case TYPE_QS_DIALOG:
2132            return 2;
2133        case TYPE_PHONE:
2134            return 3;
2135        case TYPE_SEARCH_BAR:
2136        case TYPE_VOICE_INTERACTION_STARTING:
2137            return 4;
2138        case TYPE_VOICE_INTERACTION:
2139            // voice interaction layer is almost immediately above apps.
2140            return 5;
2141        case TYPE_INPUT_CONSUMER:
2142            return 6;
2143        case TYPE_SYSTEM_DIALOG:
2144            return 7;
2145        case TYPE_TOAST:
2146            // toasts and the plugged-in battery thing
2147            return 8;
2148        case TYPE_PRIORITY_PHONE:
2149            // SIM errors and unlock.  Not sure if this really should be in a high layer.
2150            return 9;
2151        case TYPE_DREAM:
2152            // used for Dreams (screensavers with TYPE_DREAM windows)
2153            return 10;
2154        case TYPE_SYSTEM_ALERT:
2155            // like the ANR / app crashed dialogs
2156            return 11;
2157        case TYPE_INPUT_METHOD:
2158            // on-screen keyboards and other such input method user interfaces go here.
2159            return 12;
2160        case TYPE_INPUT_METHOD_DIALOG:
2161            // on-screen keyboards and other such input method user interfaces go here.
2162            return 13;
2163        case TYPE_KEYGUARD_SCRIM:
2164            // the safety window that shows behind keyguard while keyguard is starting
2165            return 14;
2166        case TYPE_STATUS_BAR_SUB_PANEL:
2167            return 15;
2168        case TYPE_STATUS_BAR:
2169            return 16;
2170        case TYPE_STATUS_BAR_PANEL:
2171            return 17;
2172        case TYPE_KEYGUARD_DIALOG:
2173            return 18;
2174        case TYPE_VOLUME_OVERLAY:
2175            // the on-screen volume indicator and controller shown when the user
2176            // changes the device volume
2177            return 19;
2178        case TYPE_SYSTEM_OVERLAY:
2179            // the on-screen volume indicator and controller shown when the user
2180            // changes the device volume
2181            return 20;
2182        case TYPE_NAVIGATION_BAR:
2183            // the navigation bar, if available, shows atop most things
2184            return 21;
2185        case TYPE_NAVIGATION_BAR_PANEL:
2186            // some panels (e.g. search) need to show on top of the navigation bar
2187            return 22;
2188        case TYPE_SYSTEM_ERROR:
2189            // system-level error dialogs
2190            return 23;
2191        case TYPE_MAGNIFICATION_OVERLAY:
2192            // used to highlight the magnified portion of a display
2193            return 24;
2194        case TYPE_DISPLAY_OVERLAY:
2195            // used to simulate secondary display devices
2196            return 25;
2197        case TYPE_DRAG:
2198            // the drag layer: input for drag-and-drop is associated with this window,
2199            // which sits above all other focusable windows
2200            return 26;
2201        case TYPE_ACCESSIBILITY_OVERLAY:
2202            // overlay put by accessibility services to intercept user interaction
2203            return 27;
2204        case TYPE_SECURE_SYSTEM_OVERLAY:
2205            return 28;
2206        case TYPE_BOOT_PROGRESS:
2207            return 29;
2208        case TYPE_POINTER:
2209            // the (mouse) pointer layer
2210            return 30;
2211        }
2212        Log.e(TAG, "Unknown window type: " + type);
2213        return 2;
2214    }
2215
2216    /** {@inheritDoc} */
2217    @Override
2218    public int subWindowTypeToLayerLw(int type) {
2219        switch (type) {
2220        case TYPE_APPLICATION_PANEL:
2221        case TYPE_APPLICATION_ATTACHED_DIALOG:
2222            return APPLICATION_PANEL_SUBLAYER;
2223        case TYPE_APPLICATION_MEDIA:
2224            return APPLICATION_MEDIA_SUBLAYER;
2225        case TYPE_APPLICATION_MEDIA_OVERLAY:
2226            return APPLICATION_MEDIA_OVERLAY_SUBLAYER;
2227        case TYPE_APPLICATION_SUB_PANEL:
2228            return APPLICATION_SUB_PANEL_SUBLAYER;
2229        case TYPE_APPLICATION_ABOVE_SUB_PANEL:
2230            return APPLICATION_ABOVE_SUB_PANEL_SUBLAYER;
2231        }
2232        Log.e(TAG, "Unknown sub-window type: " + type);
2233        return 0;
2234    }
2235
2236    @Override
2237    public int getMaxWallpaperLayer() {
2238        return windowTypeToLayerLw(TYPE_STATUS_BAR);
2239    }
2240
2241    @Override
2242    public int getNonDecorDisplayWidth(int fullWidth, int fullHeight, int rotation) {
2243        if (mHasNavigationBar) {
2244            // For a basic navigation bar, when we are in landscape mode we place
2245            // the navigation bar to the side.
2246            if (mNavigationBarCanMove && fullWidth > fullHeight) {
2247                return fullWidth - mNavigationBarWidthForRotation[rotation];
2248            }
2249        }
2250        return fullWidth;
2251    }
2252
2253    @Override
2254    public int getNonDecorDisplayHeight(int fullWidth, int fullHeight, int rotation) {
2255        if (mHasNavigationBar) {
2256            // For a basic navigation bar, when we are in portrait mode we place
2257            // the navigation bar to the bottom.
2258            if (!mNavigationBarCanMove || fullWidth < fullHeight) {
2259                return fullHeight - mNavigationBarHeightForRotation[rotation];
2260            }
2261        }
2262        return fullHeight;
2263    }
2264
2265    @Override
2266    public int getConfigDisplayWidth(int fullWidth, int fullHeight, int rotation) {
2267        return getNonDecorDisplayWidth(fullWidth, fullHeight, rotation);
2268    }
2269
2270    @Override
2271    public int getConfigDisplayHeight(int fullWidth, int fullHeight, int rotation) {
2272        // There is a separate status bar at the top of the display.  We don't count that as part
2273        // of the fixed decor, since it can hide; however, for purposes of configurations,
2274        // we do want to exclude it since applications can't generally use that part
2275        // of the screen.
2276        return getNonDecorDisplayHeight(fullWidth, fullHeight, rotation) - mStatusBarHeight;
2277    }
2278
2279    @Override
2280    public boolean isForceHiding(WindowManager.LayoutParams attrs) {
2281        return (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 ||
2282                (isKeyguardHostWindow(attrs) &&
2283                        (mKeyguardDelegate != null && mKeyguardDelegate.isShowing())) ||
2284                (attrs.type == TYPE_KEYGUARD_SCRIM);
2285    }
2286
2287    @Override
2288    public boolean isKeyguardHostWindow(WindowManager.LayoutParams attrs) {
2289        return attrs.type == TYPE_STATUS_BAR;
2290    }
2291
2292    @Override
2293    public boolean canBeForceHidden(WindowState win, WindowManager.LayoutParams attrs) {
2294        switch (attrs.type) {
2295            case TYPE_STATUS_BAR:
2296            case TYPE_NAVIGATION_BAR:
2297            case TYPE_WALLPAPER:
2298            case TYPE_DREAM:
2299            case TYPE_KEYGUARD_SCRIM:
2300            case TYPE_DOCK_DIVIDER:
2301                return false;
2302            default:
2303                // Hide only windows below the keyguard host window.
2304                return windowTypeToLayerLw(win.getBaseType())
2305                        < windowTypeToLayerLw(TYPE_STATUS_BAR);
2306        }
2307    }
2308
2309    @Override
2310    public WindowState getWinShowWhenLockedLw() {
2311        return mWinShowWhenLocked;
2312    }
2313
2314    /** {@inheritDoc} */
2315    @Override
2316    public View addStartingWindow(IBinder appToken, String packageName, int theme,
2317            CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes,
2318            int icon, int logo, int windowFlags) {
2319        if (!SHOW_STARTING_ANIMATIONS) {
2320            return null;
2321        }
2322        if (packageName == null) {
2323            return null;
2324        }
2325
2326        WindowManager wm = null;
2327        View view = null;
2328
2329        try {
2330            Context context = mContext;
2331            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow " + packageName
2332                    + ": nonLocalizedLabel=" + nonLocalizedLabel + " theme="
2333                    + Integer.toHexString(theme));
2334            if (theme != context.getThemeResId() || labelRes != 0) {
2335                try {
2336                    context = context.createPackageContext(packageName, 0);
2337                    context.setTheme(theme);
2338                } catch (PackageManager.NameNotFoundException e) {
2339                    // Ignore
2340                }
2341            }
2342
2343            PhoneWindow win = new PhoneWindow(context);
2344            win.setIsStartingWindow(true);
2345
2346            Resources r = context.getResources();
2347            win.setTitle(r.getText(labelRes, nonLocalizedLabel));
2348
2349            win.setType(
2350                WindowManager.LayoutParams.TYPE_APPLICATION_STARTING);
2351
2352            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
2353                // Assumes it's safe to show starting windows of launched apps while
2354                // the keyguard is being hidden. This is okay because starting windows never show
2355                // secret information.
2356                if (mKeyguardHidden) {
2357                    windowFlags |= FLAG_SHOW_WHEN_LOCKED;
2358                }
2359            }
2360
2361            // Force the window flags: this is a fake window, so it is not really
2362            // touchable or focusable by the user.  We also add in the ALT_FOCUSABLE_IM
2363            // flag because we do know that the next window will take input
2364            // focus, so we want to get the IME window up on top of us right away.
2365            win.setFlags(
2366                windowFlags|
2367                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2368                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2369                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
2370                windowFlags|
2371                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2372                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2373                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
2374
2375            win.setDefaultIcon(icon);
2376            win.setDefaultLogo(logo);
2377
2378            win.setLayout(WindowManager.LayoutParams.MATCH_PARENT,
2379                    WindowManager.LayoutParams.MATCH_PARENT);
2380
2381            final WindowManager.LayoutParams params = win.getAttributes();
2382            params.token = appToken;
2383            params.packageName = packageName;
2384            params.windowAnimations = win.getWindowStyle().getResourceId(
2385                    com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
2386            params.privateFlags |=
2387                    WindowManager.LayoutParams.PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED;
2388            params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
2389
2390            if (!compatInfo.supportsScreen()) {
2391                params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW;
2392            }
2393
2394            params.setTitle("Starting " + packageName);
2395
2396            wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
2397            view = win.getDecorView();
2398
2399            if (DEBUG_STARTING_WINDOW) Slog.d(
2400                TAG, "Adding starting window for " + packageName
2401                + " / " + appToken + ": "
2402                + (view.getParent() != null ? view : null));
2403
2404            wm.addView(view, params);
2405
2406            // Only return the view if it was successfully added to the
2407            // window manager... which we can tell by it having a parent.
2408            return view.getParent() != null ? view : null;
2409        } catch (WindowManager.BadTokenException e) {
2410            // ignore
2411            Log.w(TAG, appToken + " already running, starting window not displayed. " +
2412                    e.getMessage());
2413        } catch (RuntimeException e) {
2414            // don't crash if something else bad happens, for example a
2415            // failure loading resources because we are loading from an app
2416            // on external storage that has been unmounted.
2417            Log.w(TAG, appToken + " failed creating starting window", e);
2418        } finally {
2419            if (view != null && view.getParent() == null) {
2420                Log.w(TAG, "view not successfully added to wm, removing view");
2421                wm.removeViewImmediate(view);
2422            }
2423        }
2424
2425        return null;
2426    }
2427
2428    /** {@inheritDoc} */
2429    @Override
2430    public void removeStartingWindow(IBinder appToken, View window) {
2431        if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Removing starting window for " + appToken + ": "
2432                + window + " Callers=" + Debug.getCallers(4));
2433
2434        if (window != null) {
2435            WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
2436            wm.removeView(window);
2437        }
2438    }
2439
2440    /**
2441     * Preflight adding a window to the system.
2442     *
2443     * Currently enforces that three window types are singletons:
2444     * <ul>
2445     * <li>STATUS_BAR_TYPE</li>
2446     * <li>KEYGUARD_TYPE</li>
2447     * </ul>
2448     *
2449     * @param win The window to be added
2450     * @param attrs Information about the window to be added
2451     *
2452     * @return If ok, WindowManagerImpl.ADD_OKAY.  If too many singletons,
2453     * WindowManagerImpl.ADD_MULTIPLE_SINGLETON
2454     */
2455    @Override
2456    public int prepareAddWindowLw(WindowState win, WindowManager.LayoutParams attrs) {
2457        switch (attrs.type) {
2458            case TYPE_STATUS_BAR:
2459                mContext.enforceCallingOrSelfPermission(
2460                        android.Manifest.permission.STATUS_BAR_SERVICE,
2461                        "PhoneWindowManager");
2462                if (mStatusBar != null) {
2463                    if (mStatusBar.isAlive()) {
2464                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2465                    }
2466                }
2467                mStatusBar = win;
2468                mStatusBarController.setWindow(win);
2469                break;
2470            case TYPE_NAVIGATION_BAR:
2471                mContext.enforceCallingOrSelfPermission(
2472                        android.Manifest.permission.STATUS_BAR_SERVICE,
2473                        "PhoneWindowManager");
2474                if (mNavigationBar != null) {
2475                    if (mNavigationBar.isAlive()) {
2476                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2477                    }
2478                }
2479                mNavigationBar = win;
2480                mNavigationBarController.setWindow(win);
2481                if (DEBUG_LAYOUT) Slog.i(TAG, "NAVIGATION BAR: " + mNavigationBar);
2482                break;
2483            case TYPE_NAVIGATION_BAR_PANEL:
2484            case TYPE_STATUS_BAR_PANEL:
2485            case TYPE_STATUS_BAR_SUB_PANEL:
2486            case TYPE_VOICE_INTERACTION_STARTING:
2487                mContext.enforceCallingOrSelfPermission(
2488                        android.Manifest.permission.STATUS_BAR_SERVICE,
2489                        "PhoneWindowManager");
2490                break;
2491            case TYPE_KEYGUARD_SCRIM:
2492                if (mKeyguardScrim != null) {
2493                    return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2494                }
2495                mKeyguardScrim = win;
2496                break;
2497        }
2498        return WindowManagerGlobal.ADD_OKAY;
2499    }
2500
2501    /** {@inheritDoc} */
2502    @Override
2503    public void removeWindowLw(WindowState win) {
2504        if (mStatusBar == win) {
2505            mStatusBar = null;
2506            mStatusBarController.setWindow(null);
2507            mKeyguardDelegate.showScrim();
2508        } else if (mKeyguardScrim == win) {
2509            Log.v(TAG, "Removing keyguard scrim");
2510            mKeyguardScrim = null;
2511        } if (mNavigationBar == win) {
2512            mNavigationBar = null;
2513            mNavigationBarController.setWindow(null);
2514        }
2515    }
2516
2517    static final boolean PRINT_ANIM = false;
2518
2519    /** {@inheritDoc} */
2520    @Override
2521    public int selectAnimationLw(WindowState win, int transit) {
2522        if (PRINT_ANIM) Log.i(TAG, "selectAnimation in " + win
2523              + ": transit=" + transit);
2524        if (win == mStatusBar) {
2525            boolean isKeyguard = (win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
2526            if (transit == TRANSIT_EXIT
2527                    || transit == TRANSIT_HIDE) {
2528                return isKeyguard ? -1 : R.anim.dock_top_exit;
2529            } else if (transit == TRANSIT_ENTER
2530                    || transit == TRANSIT_SHOW) {
2531                return isKeyguard ? -1 : R.anim.dock_top_enter;
2532            }
2533        } else if (win == mNavigationBar) {
2534            if (win.getAttrs().windowAnimations != 0) {
2535                return 0;
2536            }
2537            // This can be on either the bottom or the right.
2538            if (mNavigationBarOnBottom) {
2539                if (transit == TRANSIT_EXIT
2540                        || transit == TRANSIT_HIDE) {
2541                    return R.anim.dock_bottom_exit;
2542                } else if (transit == TRANSIT_ENTER
2543                        || transit == TRANSIT_SHOW) {
2544                    return R.anim.dock_bottom_enter;
2545                }
2546            } else {
2547                if (transit == TRANSIT_EXIT
2548                        || transit == TRANSIT_HIDE) {
2549                    return R.anim.dock_right_exit;
2550                } else if (transit == TRANSIT_ENTER
2551                        || transit == TRANSIT_SHOW) {
2552                    return R.anim.dock_right_enter;
2553                }
2554            }
2555        } else if (win.getAttrs().type == TYPE_DOCK_DIVIDER) {
2556            if (transit == TRANSIT_ENTER || transit == TRANSIT_SHOW) {
2557                return R.anim.fade_in;
2558            } else if (transit == TRANSIT_EXIT) {
2559                return R.anim.fade_out;
2560            }
2561        }
2562
2563        if (transit == TRANSIT_PREVIEW_DONE) {
2564            if (win.hasAppShownWindows()) {
2565                if (PRINT_ANIM) Log.i(TAG, "**** STARTING EXIT");
2566                return com.android.internal.R.anim.app_starting_exit;
2567            }
2568        } else if (win.getAttrs().type == TYPE_DREAM && mDreamingLockscreen
2569                && transit == TRANSIT_ENTER) {
2570            // Special case: we are animating in a dream, while the keyguard
2571            // is shown.  We don't want an animation on the dream, because
2572            // we need it shown immediately with the keyguard animating away
2573            // to reveal it.
2574            return -1;
2575        }
2576
2577        return 0;
2578    }
2579
2580    @Override
2581    public void selectRotationAnimationLw(int anim[]) {
2582        if (PRINT_ANIM) Slog.i(TAG, "selectRotationAnimation mTopFullscreen="
2583                + mTopFullscreenOpaqueWindowState + " rotationAnimation="
2584                + (mTopFullscreenOpaqueWindowState == null ?
2585                        "0" : mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation));
2586        if (mTopFullscreenOpaqueWindowState != null && mTopIsFullscreen) {
2587            switch (mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation) {
2588                case ROTATION_ANIMATION_CROSSFADE:
2589                    anim[0] = R.anim.rotation_animation_xfade_exit;
2590                    anim[1] = R.anim.rotation_animation_enter;
2591                    break;
2592                case ROTATION_ANIMATION_JUMPCUT:
2593                    anim[0] = R.anim.rotation_animation_jump_exit;
2594                    anim[1] = R.anim.rotation_animation_enter;
2595                    break;
2596                case ROTATION_ANIMATION_ROTATE:
2597                default:
2598                    anim[0] = anim[1] = 0;
2599                    break;
2600            }
2601        } else {
2602            anim[0] = anim[1] = 0;
2603        }
2604    }
2605
2606    @Override
2607    public boolean validateRotationAnimationLw(int exitAnimId, int enterAnimId,
2608            boolean forceDefault) {
2609        switch (exitAnimId) {
2610            case R.anim.rotation_animation_xfade_exit:
2611            case R.anim.rotation_animation_jump_exit:
2612                // These are the only cases that matter.
2613                if (forceDefault) {
2614                    return false;
2615                }
2616                int anim[] = new int[2];
2617                selectRotationAnimationLw(anim);
2618                return (exitAnimId == anim[0] && enterAnimId == anim[1]);
2619            default:
2620                return true;
2621        }
2622    }
2623
2624    @Override
2625    public Animation createForceHideEnterAnimation(boolean onWallpaper,
2626            boolean goingToNotificationShade) {
2627        if (goingToNotificationShade) {
2628            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_behind_enter_fade_in);
2629        }
2630
2631        AnimationSet set = (AnimationSet) AnimationUtils.loadAnimation(mContext, onWallpaper ?
2632                    R.anim.lock_screen_behind_enter_wallpaper :
2633                    R.anim.lock_screen_behind_enter);
2634
2635        // TODO: Use XML interpolators when we have log interpolators available in XML.
2636        final List<Animation> animations = set.getAnimations();
2637        for (int i = animations.size() - 1; i >= 0; --i) {
2638            animations.get(i).setInterpolator(mLogDecelerateInterpolator);
2639        }
2640
2641        return set;
2642    }
2643
2644
2645    @Override
2646    public Animation createForceHideWallpaperExitAnimation(boolean goingToNotificationShade) {
2647        if (goingToNotificationShade) {
2648            return null;
2649        } else {
2650            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_wallpaper_exit);
2651        }
2652    }
2653
2654    private static void awakenDreams() {
2655        IDreamManager dreamManager = getDreamManager();
2656        if (dreamManager != null) {
2657            try {
2658                dreamManager.awaken();
2659            } catch (RemoteException e) {
2660                // fine, stay asleep then
2661            }
2662        }
2663    }
2664
2665    static IDreamManager getDreamManager() {
2666        return IDreamManager.Stub.asInterface(
2667                ServiceManager.checkService(DreamService.DREAM_SERVICE));
2668    }
2669
2670    TelecomManager getTelecommService() {
2671        return (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE);
2672    }
2673
2674    static IAudioService getAudioService() {
2675        IAudioService audioService = IAudioService.Stub.asInterface(
2676                ServiceManager.checkService(Context.AUDIO_SERVICE));
2677        if (audioService == null) {
2678            Log.w(TAG, "Unable to find IAudioService interface.");
2679        }
2680        return audioService;
2681    }
2682
2683    boolean keyguardOn() {
2684        return isKeyguardShowingAndNotOccluded() || inKeyguardRestrictedKeyInputMode();
2685    }
2686
2687    private static final int[] WINDOW_TYPES_WHERE_HOME_DOESNT_WORK = {
2688            WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
2689            WindowManager.LayoutParams.TYPE_SYSTEM_ERROR,
2690        };
2691
2692    /** {@inheritDoc} */
2693    @Override
2694    public long interceptKeyBeforeDispatching(WindowState win, KeyEvent event, int policyFlags) {
2695        final boolean keyguardOn = keyguardOn();
2696        final int keyCode = event.getKeyCode();
2697        final int repeatCount = event.getRepeatCount();
2698        final int metaState = event.getMetaState();
2699        final int flags = event.getFlags();
2700        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
2701        final boolean canceled = event.isCanceled();
2702
2703        if (DEBUG_INPUT) {
2704            Log.d(TAG, "interceptKeyTi keyCode=" + keyCode + " down=" + down + " repeatCount="
2705                    + repeatCount + " keyguardOn=" + keyguardOn + " mHomePressed=" + mHomePressed
2706                    + " canceled=" + canceled);
2707        }
2708
2709        // If we think we might have a volume down & power key chord on the way
2710        // but we're not sure, then tell the dispatcher to wait a little while and
2711        // try again later before dispatching.
2712        if (mScreenshotChordEnabled && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
2713            if (mScreenshotChordVolumeDownKeyTriggered && !mScreenshotChordPowerKeyTriggered) {
2714                final long now = SystemClock.uptimeMillis();
2715                final long timeoutTime = mScreenshotChordVolumeDownKeyTime
2716                        + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
2717                if (now < timeoutTime) {
2718                    return timeoutTime - now;
2719                }
2720            }
2721            if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
2722                    && mScreenshotChordVolumeDownKeyConsumed) {
2723                if (!down) {
2724                    mScreenshotChordVolumeDownKeyConsumed = false;
2725                }
2726                return -1;
2727            }
2728        }
2729
2730        // Cancel any pending meta actions if we see any other keys being pressed between the down
2731        // of the meta key and its corresponding up.
2732        if (mPendingMetaAction && !KeyEvent.isMetaKey(keyCode)) {
2733            mPendingMetaAction = false;
2734        }
2735
2736        // First we always handle the home key here, so applications
2737        // can never break it, although if keyguard is on, we do let
2738        // it handle it, because that gives us the correct 5 second
2739        // timeout.
2740        if (keyCode == KeyEvent.KEYCODE_HOME) {
2741
2742            // If we have released the home key, and didn't do anything else
2743            // while it was pressed, then it is time to go home!
2744            if (!down) {
2745                cancelPreloadRecentApps();
2746
2747                mHomePressed = false;
2748                if (mHomeConsumed) {
2749                    mHomeConsumed = false;
2750                    return -1;
2751                }
2752
2753                if (canceled) {
2754                    Log.i(TAG, "Ignoring HOME; event canceled.");
2755                    return -1;
2756                }
2757
2758                // If an incoming call is ringing, HOME is totally disabled.
2759                // (The user is already on the InCallUI at this point,
2760                // and his ONLY options are to answer or reject the call.)
2761                TelecomManager telecomManager = getTelecommService();
2762                if (telecomManager != null && telecomManager.isRinging()) {
2763                    Log.i(TAG, "Ignoring HOME; there's a ringing incoming call.");
2764                    return -1;
2765                }
2766
2767                // Delay handling home if a double-tap is possible.
2768                if (mDoubleTapOnHomeBehavior != DOUBLE_TAP_HOME_NOTHING) {
2769                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable); // just in case
2770                    mHomeDoubleTapPending = true;
2771                    mHandler.postDelayed(mHomeDoubleTapTimeoutRunnable,
2772                            ViewConfiguration.getDoubleTapTimeout());
2773                    return -1;
2774                }
2775
2776                handleShortPressOnHome();
2777                return -1;
2778            }
2779
2780            // If a system window has focus, then it doesn't make sense
2781            // right now to interact with applications.
2782            WindowManager.LayoutParams attrs = win != null ? win.getAttrs() : null;
2783            if (attrs != null) {
2784                final int type = attrs.type;
2785                if (type == WindowManager.LayoutParams.TYPE_KEYGUARD_SCRIM
2786                        || type == WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG
2787                        || (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
2788                    // the "app" is keyguard, so give it the key
2789                    return 0;
2790                }
2791                final int typeCount = WINDOW_TYPES_WHERE_HOME_DOESNT_WORK.length;
2792                for (int i=0; i<typeCount; i++) {
2793                    if (type == WINDOW_TYPES_WHERE_HOME_DOESNT_WORK[i]) {
2794                        // don't do anything, but also don't pass it to the app
2795                        return -1;
2796                    }
2797                }
2798            }
2799
2800            // Remember that home is pressed and handle special actions.
2801            if (repeatCount == 0) {
2802                mHomePressed = true;
2803                if (mHomeDoubleTapPending) {
2804                    mHomeDoubleTapPending = false;
2805                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable);
2806                    handleDoubleTapOnHome();
2807                } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI
2808                        || mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
2809                    preloadRecentApps();
2810                }
2811            } else if ((event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) {
2812                if (!keyguardOn) {
2813                    handleLongPressOnHome(event.getDeviceId());
2814                }
2815            }
2816            return -1;
2817        } else if (keyCode == KeyEvent.KEYCODE_MENU) {
2818            // Hijack modified menu keys for debugging features
2819            final int chordBug = KeyEvent.META_SHIFT_ON;
2820
2821            if (down && repeatCount == 0) {
2822                if (mEnableShiftMenuBugReports && (metaState & chordBug) == chordBug) {
2823                    Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
2824                    mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT,
2825                            null, null, null, 0, null, null);
2826                    return -1;
2827                } else if (SHOW_PROCESSES_ON_ALT_MENU &&
2828                        (metaState & KeyEvent.META_ALT_ON) == KeyEvent.META_ALT_ON) {
2829                    Intent service = new Intent();
2830                    service.setClassName(mContext, "com.android.server.LoadAverageService");
2831                    ContentResolver res = mContext.getContentResolver();
2832                    boolean shown = Settings.Global.getInt(
2833                            res, Settings.Global.SHOW_PROCESSES, 0) != 0;
2834                    if (!shown) {
2835                        mContext.startService(service);
2836                    } else {
2837                        mContext.stopService(service);
2838                    }
2839                    Settings.Global.putInt(
2840                            res, Settings.Global.SHOW_PROCESSES, shown ? 0 : 1);
2841                    return -1;
2842                }
2843            }
2844        } else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
2845            if (down) {
2846                if (repeatCount == 0) {
2847                    mSearchKeyShortcutPending = true;
2848                    mConsumeSearchKeyUp = false;
2849                }
2850            } else {
2851                mSearchKeyShortcutPending = false;
2852                if (mConsumeSearchKeyUp) {
2853                    mConsumeSearchKeyUp = false;
2854                    return -1;
2855                }
2856            }
2857            return 0;
2858        } else if (keyCode == KeyEvent.KEYCODE_APP_SWITCH) {
2859            if (!keyguardOn) {
2860                if (down && repeatCount == 0) {
2861                    preloadRecentApps();
2862                } else if (!down) {
2863                    toggleRecentApps();
2864                }
2865            }
2866            return -1;
2867        } else if (keyCode == KeyEvent.KEYCODE_N && event.isMetaPressed()) {
2868            if (down) {
2869                IStatusBarService service = getStatusBarService();
2870                if (service != null) {
2871                    try {
2872                        service.expandNotificationsPanel();
2873                    } catch (RemoteException e) {
2874                        // do nothing.
2875                    }
2876                }
2877            }
2878        } else if (keyCode == KeyEvent.KEYCODE_SLASH && event.isMetaPressed()) {
2879            if (down) {
2880                if (repeatCount == 0) {
2881                    showKeyboardShortcutsMenu();
2882                }
2883            }
2884        } else if (keyCode == KeyEvent.KEYCODE_ASSIST) {
2885            if (down) {
2886                if (repeatCount == 0) {
2887                    mAssistKeyLongPressed = false;
2888                } else if (repeatCount == 1) {
2889                    mAssistKeyLongPressed = true;
2890                    if (!keyguardOn) {
2891                         launchAssistLongPressAction();
2892                    }
2893                }
2894            } else {
2895                if (mAssistKeyLongPressed) {
2896                    mAssistKeyLongPressed = false;
2897                } else {
2898                    if (!keyguardOn) {
2899                        launchAssistAction(null, event.getDeviceId());
2900                    }
2901                }
2902            }
2903            return -1;
2904        } else if (keyCode == KeyEvent.KEYCODE_VOICE_ASSIST) {
2905            if (!down) {
2906                Intent voiceIntent;
2907                if (!keyguardOn) {
2908                    voiceIntent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
2909                } else {
2910                    IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
2911                            ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
2912                    if (dic != null) {
2913                        try {
2914                            dic.exitIdle("voice-search");
2915                        } catch (RemoteException e) {
2916                        }
2917                    }
2918                    voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
2919                    voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, true);
2920                }
2921                startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
2922            }
2923        } else if (keyCode == KeyEvent.KEYCODE_SYSRQ) {
2924            if (down && repeatCount == 0) {
2925                mHandler.post(mScreenshotRunnable);
2926            }
2927            return -1;
2928        } else if (keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP
2929                || keyCode == KeyEvent.KEYCODE_BRIGHTNESS_DOWN) {
2930            if (down) {
2931                int direction = keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP ? 1 : -1;
2932
2933                // Disable autobrightness if it's on
2934                int auto = Settings.System.getIntForUser(
2935                        mContext.getContentResolver(),
2936                        Settings.System.SCREEN_BRIGHTNESS_MODE,
2937                        Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
2938                        UserHandle.USER_CURRENT_OR_SELF);
2939                if (auto != 0) {
2940                    Settings.System.putIntForUser(mContext.getContentResolver(),
2941                            Settings.System.SCREEN_BRIGHTNESS_MODE,
2942                            Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
2943                            UserHandle.USER_CURRENT_OR_SELF);
2944                }
2945
2946                int min = mPowerManager.getMinimumScreenBrightnessSetting();
2947                int max = mPowerManager.getMaximumScreenBrightnessSetting();
2948                int step = (max - min + BRIGHTNESS_STEPS - 1) / BRIGHTNESS_STEPS * direction;
2949                int brightness = Settings.System.getIntForUser(mContext.getContentResolver(),
2950                        Settings.System.SCREEN_BRIGHTNESS,
2951                        mPowerManager.getDefaultScreenBrightnessSetting(),
2952                        UserHandle.USER_CURRENT_OR_SELF);
2953                brightness += step;
2954                // Make sure we don't go beyond the limits.
2955                brightness = Math.min(max, brightness);
2956                brightness = Math.max(min, brightness);
2957
2958                Settings.System.putIntForUser(mContext.getContentResolver(),
2959                        Settings.System.SCREEN_BRIGHTNESS, brightness,
2960                        UserHandle.USER_CURRENT_OR_SELF);
2961                startActivityAsUser(new Intent(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG),
2962                        UserHandle.CURRENT_OR_SELF);
2963            }
2964            return -1;
2965        } else if (KeyEvent.isMetaKey(keyCode)) {
2966            if (down) {
2967                mPendingMetaAction = true;
2968            } else if (mPendingMetaAction) {
2969                launchAssistAction(Intent.EXTRA_ASSIST_INPUT_HINT_KEYBOARD, event.getDeviceId());
2970            }
2971            return -1;
2972        }
2973
2974        // Shortcuts are invoked through Search+key, so intercept those here
2975        // Any printing key that is chorded with Search should be consumed
2976        // even if no shortcut was invoked.  This prevents text from being
2977        // inadvertently inserted when using a keyboard that has built-in macro
2978        // shortcut keys (that emit Search+x) and some of them are not registered.
2979        if (mSearchKeyShortcutPending) {
2980            final KeyCharacterMap kcm = event.getKeyCharacterMap();
2981            if (kcm.isPrintingKey(keyCode)) {
2982                mConsumeSearchKeyUp = true;
2983                mSearchKeyShortcutPending = false;
2984                if (down && repeatCount == 0 && !keyguardOn) {
2985                    Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState);
2986                    if (shortcutIntent != null) {
2987                        shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2988                        try {
2989                            startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
2990                        } catch (ActivityNotFoundException ex) {
2991                            Slog.w(TAG, "Dropping shortcut key combination because "
2992                                    + "the activity to which it is registered was not found: "
2993                                    + "SEARCH+" + KeyEvent.keyCodeToString(keyCode), ex);
2994                        }
2995                    } else {
2996                        Slog.i(TAG, "Dropping unregistered shortcut key combination: "
2997                                + "SEARCH+" + KeyEvent.keyCodeToString(keyCode));
2998                    }
2999                }
3000                return -1;
3001            }
3002        }
3003
3004        // Invoke shortcuts using Meta.
3005        if (down && repeatCount == 0 && !keyguardOn
3006                && (metaState & KeyEvent.META_META_ON) != 0) {
3007            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3008            if (kcm.isPrintingKey(keyCode)) {
3009                Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode,
3010                        metaState & ~(KeyEvent.META_META_ON
3011                                | KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_RIGHT_ON));
3012                if (shortcutIntent != null) {
3013                    shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3014                    try {
3015                        startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3016                    } catch (ActivityNotFoundException ex) {
3017                        Slog.w(TAG, "Dropping shortcut key combination because "
3018                                + "the activity to which it is registered was not found: "
3019                                + "META+" + KeyEvent.keyCodeToString(keyCode), ex);
3020                    }
3021                    return -1;
3022                }
3023            }
3024        }
3025
3026        // Handle application launch keys.
3027        if (down && repeatCount == 0 && !keyguardOn) {
3028            String category = sApplicationLaunchKeyCategories.get(keyCode);
3029            if (category != null) {
3030                Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, category);
3031                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3032                try {
3033                    startActivityAsUser(intent, UserHandle.CURRENT);
3034                } catch (ActivityNotFoundException ex) {
3035                    Slog.w(TAG, "Dropping application launch key because "
3036                            + "the activity to which it is registered was not found: "
3037                            + "keyCode=" + keyCode + ", category=" + category, ex);
3038                }
3039                return -1;
3040            }
3041        }
3042
3043        // Display task switcher for ALT-TAB.
3044        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_TAB) {
3045            if (mRecentAppsHeldModifiers == 0 && !keyguardOn && isUserSetupComplete()) {
3046                final int shiftlessModifiers = event.getModifiers() & ~KeyEvent.META_SHIFT_MASK;
3047                if (KeyEvent.metaStateHasModifiers(shiftlessModifiers, KeyEvent.META_ALT_ON)) {
3048                    mRecentAppsHeldModifiers = shiftlessModifiers;
3049                    showRecentApps(true);
3050                    return -1;
3051                }
3052            }
3053        } else if (!down && mRecentAppsHeldModifiers != 0
3054                && (metaState & mRecentAppsHeldModifiers) == 0) {
3055            mRecentAppsHeldModifiers = 0;
3056            hideRecentApps(true, false);
3057        }
3058
3059        // Handle keyboard layout switching.
3060        // TODO: Deprecate this behavior when we fully migrate to IME subtype-based layout rotation.
3061        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_SPACE
3062                && ((metaState & KeyEvent.META_CTRL_MASK) != 0)) {
3063            int direction = (metaState & KeyEvent.META_SHIFT_MASK) != 0 ? -1 : 1;
3064            mWindowManagerFuncs.switchKeyboardLayout(event.getDeviceId(), direction);
3065            return -1;
3066        }
3067
3068        // Handle input method switching.
3069        if (down && repeatCount == 0
3070                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3071                        || (keyCode == KeyEvent.KEYCODE_SPACE
3072                                && (metaState & KeyEvent.META_META_MASK) != 0))) {
3073            final boolean forwardDirection = (metaState & KeyEvent.META_SHIFT_MASK) == 0;
3074            mWindowManagerFuncs.switchInputMethod(forwardDirection);
3075            return -1;
3076        }
3077        if (mLanguageSwitchKeyPressed && !down
3078                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3079                        || keyCode == KeyEvent.KEYCODE_SPACE)) {
3080            mLanguageSwitchKeyPressed = false;
3081            return -1;
3082        }
3083
3084        if (isValidGlobalKey(keyCode)
3085                && mGlobalKeyManager.handleGlobalKey(mContext, keyCode, event)) {
3086            return -1;
3087        }
3088
3089        // Reserve all the META modifier combos for system behavior
3090        if ((metaState & KeyEvent.META_META_ON) != 0) {
3091            return -1;
3092        }
3093
3094        // Let the application handle the key.
3095        return 0;
3096    }
3097
3098    /** {@inheritDoc} */
3099    @Override
3100    public KeyEvent dispatchUnhandledKey(WindowState win, KeyEvent event, int policyFlags) {
3101        // Note: This method is only called if the initial down was unhandled.
3102        if (DEBUG_INPUT) {
3103            Slog.d(TAG, "Unhandled key: win=" + win + ", action=" + event.getAction()
3104                    + ", flags=" + event.getFlags()
3105                    + ", keyCode=" + event.getKeyCode()
3106                    + ", scanCode=" + event.getScanCode()
3107                    + ", metaState=" + event.getMetaState()
3108                    + ", repeatCount=" + event.getRepeatCount()
3109                    + ", policyFlags=" + policyFlags);
3110        }
3111
3112        KeyEvent fallbackEvent = null;
3113        if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
3114            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3115            final int keyCode = event.getKeyCode();
3116            final int metaState = event.getMetaState();
3117            final boolean initialDown = event.getAction() == KeyEvent.ACTION_DOWN
3118                    && event.getRepeatCount() == 0;
3119
3120            // Check for fallback actions specified by the key character map.
3121            final FallbackAction fallbackAction;
3122            if (initialDown) {
3123                fallbackAction = kcm.getFallbackAction(keyCode, metaState);
3124            } else {
3125                fallbackAction = mFallbackActions.get(keyCode);
3126            }
3127
3128            if (fallbackAction != null) {
3129                if (DEBUG_INPUT) {
3130                    Slog.d(TAG, "Fallback: keyCode=" + fallbackAction.keyCode
3131                            + " metaState=" + Integer.toHexString(fallbackAction.metaState));
3132                }
3133
3134                final int flags = event.getFlags() | KeyEvent.FLAG_FALLBACK;
3135                fallbackEvent = KeyEvent.obtain(
3136                        event.getDownTime(), event.getEventTime(),
3137                        event.getAction(), fallbackAction.keyCode,
3138                        event.getRepeatCount(), fallbackAction.metaState,
3139                        event.getDeviceId(), event.getScanCode(),
3140                        flags, event.getSource(), null);
3141
3142                if (!interceptFallback(win, fallbackEvent, policyFlags)) {
3143                    fallbackEvent.recycle();
3144                    fallbackEvent = null;
3145                }
3146
3147                if (initialDown) {
3148                    mFallbackActions.put(keyCode, fallbackAction);
3149                } else if (event.getAction() == KeyEvent.ACTION_UP) {
3150                    mFallbackActions.remove(keyCode);
3151                    fallbackAction.recycle();
3152                }
3153            }
3154        }
3155
3156        if (DEBUG_INPUT) {
3157            if (fallbackEvent == null) {
3158                Slog.d(TAG, "No fallback.");
3159            } else {
3160                Slog.d(TAG, "Performing fallback: " + fallbackEvent);
3161            }
3162        }
3163        return fallbackEvent;
3164    }
3165
3166    private boolean interceptFallback(WindowState win, KeyEvent fallbackEvent, int policyFlags) {
3167        int actions = interceptKeyBeforeQueueing(fallbackEvent, policyFlags);
3168        if ((actions & ACTION_PASS_TO_USER) != 0) {
3169            long delayMillis = interceptKeyBeforeDispatching(
3170                    win, fallbackEvent, policyFlags);
3171            if (delayMillis == 0) {
3172                return true;
3173            }
3174        }
3175        return false;
3176    }
3177
3178    private void launchAssistLongPressAction() {
3179        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
3180        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3181
3182        // launch the search activity
3183        Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
3184        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3185        try {
3186            // TODO: This only stops the factory-installed search manager.
3187            // Need to formalize an API to handle others
3188            SearchManager searchManager = getSearchManager();
3189            if (searchManager != null) {
3190                searchManager.stopSearch();
3191            }
3192            startActivityAsUser(intent, UserHandle.CURRENT);
3193        } catch (ActivityNotFoundException e) {
3194            Slog.w(TAG, "No activity to handle assist long press action.", e);
3195        }
3196    }
3197
3198    private void launchAssistAction(String hint, int deviceId) {
3199        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3200        if (!isUserSetupComplete()) {
3201            // Disable opening assist window during setup
3202            return;
3203        }
3204        Bundle args = null;
3205        if (deviceId > Integer.MIN_VALUE) {
3206            args = new Bundle();
3207            args.putInt(Intent.EXTRA_ASSIST_INPUT_DEVICE_ID, deviceId);
3208        }
3209        if ((mContext.getResources().getConfiguration().uiMode
3210                & Configuration.UI_MODE_TYPE_MASK) == Configuration.UI_MODE_TYPE_TELEVISION) {
3211            // On TV, use legacy handling until assistants are implemented in the proper way.
3212            ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
3213                    .launchLegacyAssist(hint, UserHandle.myUserId(), args);
3214        } else {
3215            try {
3216                if (hint != null) {
3217                    if (args == null) {
3218                        args = new Bundle();
3219                    }
3220                    args.putBoolean(hint, true);
3221                }
3222                IStatusBarService statusbar = getStatusBarService();
3223                if (statusbar != null) {
3224                    statusbar.startAssist(args);
3225                }
3226            } catch (RemoteException e) {
3227                Slog.e(TAG, "RemoteException when starting assist", e);
3228                // re-acquire status bar service next time it is needed.
3229                mStatusBarService = null;
3230            }
3231        }
3232    }
3233
3234    private void startActivityAsUser(Intent intent, UserHandle handle) {
3235        if (isUserSetupComplete()) {
3236            mContext.startActivityAsUser(intent, handle);
3237        } else {
3238            Slog.i(TAG, "Not starting activity because user setup is in progress: " + intent);
3239        }
3240    }
3241
3242    private SearchManager getSearchManager() {
3243        if (mSearchManager == null) {
3244            mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
3245        }
3246        return mSearchManager;
3247    }
3248
3249    private void preloadRecentApps() {
3250        mPreloadedRecentApps = true;
3251        try {
3252            IStatusBarService statusbar = getStatusBarService();
3253            if (statusbar != null) {
3254                statusbar.preloadRecentApps();
3255            }
3256        } catch (RemoteException e) {
3257            Slog.e(TAG, "RemoteException when preloading recent apps", e);
3258            // re-acquire status bar service next time it is needed.
3259            mStatusBarService = null;
3260        }
3261    }
3262
3263    private void cancelPreloadRecentApps() {
3264        if (mPreloadedRecentApps) {
3265            mPreloadedRecentApps = false;
3266            try {
3267                IStatusBarService statusbar = getStatusBarService();
3268                if (statusbar != null) {
3269                    statusbar.cancelPreloadRecentApps();
3270                }
3271            } catch (RemoteException e) {
3272                Slog.e(TAG, "RemoteException when cancelling recent apps preload", e);
3273                // re-acquire status bar service next time it is needed.
3274                mStatusBarService = null;
3275            }
3276        }
3277    }
3278
3279    private void toggleRecentApps() {
3280        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3281        try {
3282            IStatusBarService statusbar = getStatusBarService();
3283            if (statusbar != null) {
3284                statusbar.toggleRecentApps();
3285            }
3286        } catch (RemoteException e) {
3287            Slog.e(TAG, "RemoteException when toggling recent apps", e);
3288            // re-acquire status bar service next time it is needed.
3289            mStatusBarService = null;
3290        }
3291    }
3292
3293    @Override
3294    public void showRecentApps() {
3295        mHandler.removeMessages(MSG_DISPATCH_SHOW_RECENTS);
3296        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_RECENTS);
3297    }
3298
3299    private void showRecentApps(boolean triggeredFromAltTab) {
3300        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3301        try {
3302            IStatusBarService statusbar = getStatusBarService();
3303            if (statusbar != null) {
3304                statusbar.showRecentApps(triggeredFromAltTab);
3305            }
3306        } catch (RemoteException e) {
3307            Slog.e(TAG, "RemoteException when showing recent apps", e);
3308            // re-acquire status bar service next time it is needed.
3309            mStatusBarService = null;
3310        }
3311    }
3312
3313    private void showKeyboardShortcutsMenu() {
3314        try {
3315            IStatusBarService statusbar = getStatusBarService();
3316            if (statusbar != null) {
3317                statusbar.showKeyboardShortcutsMenu();
3318            }
3319        } catch (RemoteException e) {
3320            Slog.e(TAG, "RemoteException when showing keyboard shortcuts menu", e);
3321        }
3322    }
3323
3324    private void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHome) {
3325        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3326        try {
3327            IStatusBarService statusbar = getStatusBarService();
3328            if (statusbar != null) {
3329                statusbar.hideRecentApps(triggeredFromAltTab, triggeredFromHome);
3330            }
3331        } catch (RemoteException e) {
3332            Slog.e(TAG, "RemoteException when closing recent apps", e);
3333            // re-acquire status bar service next time it is needed.
3334            mStatusBarService = null;
3335        }
3336    }
3337
3338    void launchHomeFromHotKey() {
3339        launchHomeFromHotKey(true /* awakenFromDreams */, true /*respectKeyguard*/);
3340    }
3341
3342    /**
3343     * A home key -> launch home action was detected.  Take the appropriate action
3344     * given the situation with the keyguard.
3345     */
3346    void launchHomeFromHotKey(final boolean awakenFromDreams, final boolean respectKeyguard) {
3347        if (respectKeyguard) {
3348            if (isKeyguardShowingAndNotOccluded()) {
3349                // don't launch home if keyguard showing
3350                return;
3351            }
3352
3353            if (!mHideLockScreen && mKeyguardDelegate.isInputRestricted()) {
3354                // when in keyguard restricted mode, must first verify unlock
3355                // before launching home
3356                mKeyguardDelegate.verifyUnlock(new OnKeyguardExitResult() {
3357                    @Override
3358                    public void onKeyguardExitResult(boolean success) {
3359                        if (success) {
3360                            try {
3361                                ActivityManagerNative.getDefault().stopAppSwitches();
3362                            } catch (RemoteException e) {
3363                            }
3364                            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3365                            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3366                        }
3367                    }
3368                });
3369                return;
3370            }
3371        }
3372
3373        // no keyguard stuff to worry about, just launch home!
3374        try {
3375            ActivityManagerNative.getDefault().stopAppSwitches();
3376        } catch (RemoteException e) {
3377        }
3378        if (mRecentsVisible) {
3379            // Hide Recents and notify it to launch Home
3380            if (awakenFromDreams) {
3381                awakenDreams();
3382            }
3383            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3384            hideRecentApps(false, true);
3385        } else {
3386            // Otherwise, just launch Home
3387            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3388            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3389        }
3390    }
3391
3392    private final Runnable mClearHideNavigationFlag = new Runnable() {
3393        @Override
3394        public void run() {
3395            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3396                // Clear flags.
3397                mForceClearedSystemUiFlags &=
3398                        ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3399            }
3400            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3401        }
3402    };
3403
3404    /**
3405     * Input handler used while nav bar is hidden.  Captures any touch on the screen,
3406     * to determine when the nav bar should be shown and prevent applications from
3407     * receiving those touches.
3408     */
3409    final class HideNavInputEventReceiver extends InputEventReceiver {
3410        public HideNavInputEventReceiver(InputChannel inputChannel, Looper looper) {
3411            super(inputChannel, looper);
3412        }
3413
3414        @Override
3415        public void onInputEvent(InputEvent event) {
3416            boolean handled = false;
3417            try {
3418                if (event instanceof MotionEvent
3419                        && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
3420                    final MotionEvent motionEvent = (MotionEvent)event;
3421                    if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
3422                        // When the user taps down, we re-show the nav bar.
3423                        boolean changed = false;
3424                        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3425                            // Any user activity always causes us to show the
3426                            // navigation controls, if they had been hidden.
3427                            // We also clear the low profile and only content
3428                            // flags so that tapping on the screen will atomically
3429                            // restore all currently hidden screen decorations.
3430                            int newVal = mResettingSystemUiFlags |
3431                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
3432                                    View.SYSTEM_UI_FLAG_LOW_PROFILE |
3433                                    View.SYSTEM_UI_FLAG_FULLSCREEN;
3434                            if (mResettingSystemUiFlags != newVal) {
3435                                mResettingSystemUiFlags = newVal;
3436                                changed = true;
3437                            }
3438                            // We don't allow the system's nav bar to be hidden
3439                            // again for 1 second, to prevent applications from
3440                            // spamming us and keeping it from being shown.
3441                            newVal = mForceClearedSystemUiFlags |
3442                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3443                            if (mForceClearedSystemUiFlags != newVal) {
3444                                mForceClearedSystemUiFlags = newVal;
3445                                changed = true;
3446                                mHandler.postDelayed(mClearHideNavigationFlag, 1000);
3447                            }
3448                        }
3449                        if (changed) {
3450                            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3451                        }
3452                    }
3453                }
3454            } finally {
3455                finishInputEvent(event, handled);
3456            }
3457        }
3458    }
3459    final InputEventReceiver.Factory mHideNavInputEventReceiverFactory =
3460            new InputEventReceiver.Factory() {
3461        @Override
3462        public InputEventReceiver createInputEventReceiver(
3463                InputChannel inputChannel, Looper looper) {
3464            return new HideNavInputEventReceiver(inputChannel, looper);
3465        }
3466    };
3467
3468    @Override
3469    public int adjustSystemUiVisibilityLw(int visibility) {
3470        mStatusBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3471        mNavigationBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3472        mRecentsVisible = (visibility & View.RECENT_APPS_VISIBLE) > 0;
3473
3474        // Reset any bits in mForceClearingStatusBarVisibility that
3475        // are now clear.
3476        mResettingSystemUiFlags &= visibility;
3477        // Clear any bits in the new visibility that are currently being
3478        // force cleared, before reporting it.
3479        return visibility & ~mResettingSystemUiFlags
3480                & ~mForceClearedSystemUiFlags;
3481    }
3482
3483    @Override
3484    public void getInsetHintLw(WindowManager.LayoutParams attrs, int displayRotation,
3485            Rect outContentInsets, Rect outStableInsets, Rect outOutsets) {
3486        final int fl = PolicyControl.getWindowFlags(null, attrs);
3487        final int sysuiVis = PolicyControl.getSystemUiVisibility(null, attrs);
3488        final int systemUiVisibility = (sysuiVis | attrs.subtreeSystemUiVisibility);
3489
3490        final boolean useOutsets = outOutsets != null && shouldUseOutsets(attrs, fl);
3491        if (useOutsets) {
3492            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
3493            if (outset > 0) {
3494                if (displayRotation == Surface.ROTATION_0) {
3495                    outOutsets.bottom += outset;
3496                } else if (displayRotation == Surface.ROTATION_90) {
3497                    outOutsets.right += outset;
3498                } else if (displayRotation == Surface.ROTATION_180) {
3499                    outOutsets.top += outset;
3500                } else if (displayRotation == Surface.ROTATION_270) {
3501                    outOutsets.left += outset;
3502                }
3503            }
3504        }
3505
3506        if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3507                == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3508            int availRight, availBottom;
3509            if (canHideNavigationBar() &&
3510                    (systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0) {
3511                availRight = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3512                availBottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3513            } else {
3514                availRight = mRestrictedScreenLeft + mRestrictedScreenWidth;
3515                availBottom = mRestrictedScreenTop + mRestrictedScreenHeight;
3516            }
3517            if ((systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3518                if ((fl & FLAG_FULLSCREEN) != 0) {
3519                    outContentInsets.set(mStableFullscreenLeft, mStableFullscreenTop,
3520                            availRight - mStableFullscreenRight,
3521                            availBottom - mStableFullscreenBottom);
3522                } else {
3523                    outContentInsets.set(mStableLeft, mStableTop,
3524                            availRight - mStableRight, availBottom - mStableBottom);
3525                }
3526            } else if ((fl & FLAG_FULLSCREEN) != 0 || (fl & FLAG_LAYOUT_IN_OVERSCAN) != 0) {
3527                outContentInsets.setEmpty();
3528            } else if ((systemUiVisibility & (View.SYSTEM_UI_FLAG_FULLSCREEN
3529                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)) == 0) {
3530                outContentInsets.set(mCurLeft, mCurTop,
3531                        availRight - mCurRight, availBottom - mCurBottom);
3532            } else {
3533                outContentInsets.set(mCurLeft, mCurTop,
3534                        availRight - mCurRight, availBottom - mCurBottom);
3535            }
3536
3537            outStableInsets.set(mStableLeft, mStableTop,
3538                    availRight - mStableRight, availBottom - mStableBottom);
3539            return;
3540        }
3541        outContentInsets.setEmpty();
3542        outStableInsets.setEmpty();
3543    }
3544
3545    private boolean shouldUseOutsets(WindowManager.LayoutParams attrs, int fl) {
3546        return attrs.type == TYPE_WALLPAPER || (fl & (WindowManager.LayoutParams.FLAG_FULLSCREEN
3547                | WindowManager.LayoutParams.FLAG_LAYOUT_IN_OVERSCAN)) != 0;
3548    }
3549
3550    /** {@inheritDoc} */
3551    @Override
3552    public void beginLayoutLw(boolean isDefaultDisplay, int displayWidth, int displayHeight,
3553                              int displayRotation) {
3554        mDisplayRotation = displayRotation;
3555        final int overscanLeft, overscanTop, overscanRight, overscanBottom;
3556        if (isDefaultDisplay) {
3557            switch (displayRotation) {
3558                case Surface.ROTATION_90:
3559                    overscanLeft = mOverscanTop;
3560                    overscanTop = mOverscanRight;
3561                    overscanRight = mOverscanBottom;
3562                    overscanBottom = mOverscanLeft;
3563                    break;
3564                case Surface.ROTATION_180:
3565                    overscanLeft = mOverscanRight;
3566                    overscanTop = mOverscanBottom;
3567                    overscanRight = mOverscanLeft;
3568                    overscanBottom = mOverscanTop;
3569                    break;
3570                case Surface.ROTATION_270:
3571                    overscanLeft = mOverscanBottom;
3572                    overscanTop = mOverscanLeft;
3573                    overscanRight = mOverscanTop;
3574                    overscanBottom = mOverscanRight;
3575                    break;
3576                default:
3577                    overscanLeft = mOverscanLeft;
3578                    overscanTop = mOverscanTop;
3579                    overscanRight = mOverscanRight;
3580                    overscanBottom = mOverscanBottom;
3581                    break;
3582            }
3583        } else {
3584            overscanLeft = 0;
3585            overscanTop = 0;
3586            overscanRight = 0;
3587            overscanBottom = 0;
3588        }
3589        mOverscanScreenLeft = mRestrictedOverscanScreenLeft = 0;
3590        mOverscanScreenTop = mRestrictedOverscanScreenTop = 0;
3591        mOverscanScreenWidth = mRestrictedOverscanScreenWidth = displayWidth;
3592        mOverscanScreenHeight = mRestrictedOverscanScreenHeight = displayHeight;
3593        mSystemLeft = 0;
3594        mSystemTop = 0;
3595        mSystemRight = displayWidth;
3596        mSystemBottom = displayHeight;
3597        mUnrestrictedScreenLeft = overscanLeft;
3598        mUnrestrictedScreenTop = overscanTop;
3599        mUnrestrictedScreenWidth = displayWidth - overscanLeft - overscanRight;
3600        mUnrestrictedScreenHeight = displayHeight - overscanTop - overscanBottom;
3601        mRestrictedScreenLeft = mUnrestrictedScreenLeft;
3602        mRestrictedScreenTop = mUnrestrictedScreenTop;
3603        mRestrictedScreenWidth = mSystemGestures.screenWidth = mUnrestrictedScreenWidth;
3604        mRestrictedScreenHeight = mSystemGestures.screenHeight = mUnrestrictedScreenHeight;
3605        mDockLeft = mContentLeft = mVoiceContentLeft = mStableLeft = mStableFullscreenLeft
3606                = mCurLeft = mUnrestrictedScreenLeft;
3607        mDockTop = mContentTop = mVoiceContentTop = mStableTop = mStableFullscreenTop
3608                = mCurTop = mUnrestrictedScreenTop;
3609        mDockRight = mContentRight = mVoiceContentRight = mStableRight = mStableFullscreenRight
3610                = mCurRight = displayWidth - overscanRight;
3611        mDockBottom = mContentBottom = mVoiceContentBottom = mStableBottom = mStableFullscreenBottom
3612                = mCurBottom = displayHeight - overscanBottom;
3613        mDockLayer = 0x10000000;
3614        mStatusBarLayer = -1;
3615
3616        // start with the current dock rect, which will be (0,0,displayWidth,displayHeight)
3617        final Rect pf = mTmpParentFrame;
3618        final Rect df = mTmpDisplayFrame;
3619        final Rect of = mTmpOverscanFrame;
3620        final Rect vf = mTmpVisibleFrame;
3621        final Rect dcf = mTmpDecorFrame;
3622        pf.left = df.left = of.left = vf.left = mDockLeft;
3623        pf.top = df.top = of.top = vf.top = mDockTop;
3624        pf.right = df.right = of.right = vf.right = mDockRight;
3625        pf.bottom = df.bottom = of.bottom = vf.bottom = mDockBottom;
3626        dcf.setEmpty();  // Decor frame N/A for system bars.
3627
3628        if (isDefaultDisplay) {
3629            // For purposes of putting out fake window up to steal focus, we will
3630            // drive nav being hidden only by whether it is requested.
3631            final int sysui = mLastSystemUiFlags;
3632            boolean navVisible = (sysui & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0;
3633            boolean navTranslucent = (sysui
3634                    & (View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT)) != 0;
3635            boolean immersive = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
3636            boolean immersiveSticky = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
3637            boolean navAllowedHidden = immersive || immersiveSticky;
3638            navTranslucent &= !immersiveSticky;  // transient trumps translucent
3639            boolean isKeyguardShowing = isStatusBarKeyguard() && !mHideLockScreen;
3640            if (!isKeyguardShowing) {
3641                navTranslucent &= areTranslucentBarsAllowed();
3642            }
3643
3644            // When the navigation bar isn't visible, we put up a fake
3645            // input window to catch all touch events.  This way we can
3646            // detect when the user presses anywhere to bring back the nav
3647            // bar and ensure the application doesn't see the event.
3648            if (navVisible || navAllowedHidden) {
3649                if (mInputConsumer != null) {
3650                    mInputConsumer.dismiss();
3651                    mInputConsumer = null;
3652                }
3653            } else if (mInputConsumer == null) {
3654                mInputConsumer = mWindowManagerFuncs.addInputConsumer(mHandler.getLooper(),
3655                        mHideNavInputEventReceiverFactory);
3656            }
3657
3658            // For purposes of positioning and showing the nav bar, if we have
3659            // decided that it can't be hidden (because of the screen aspect ratio),
3660            // then take that into account.
3661            navVisible |= !canHideNavigationBar();
3662
3663            boolean updateSysUiVisibility = layoutNavigationBar(displayWidth, displayHeight,
3664                    displayRotation, overscanRight, overscanBottom, dcf, navVisible, navTranslucent,
3665                    navAllowedHidden);
3666            if (DEBUG_LAYOUT) Slog.i(TAG, String.format("mDock rect: (%d,%d - %d,%d)",
3667                    mDockLeft, mDockTop, mDockRight, mDockBottom));
3668            updateSysUiVisibility |= layoutStatusBar(pf, df, of, vf, dcf, sysui, isKeyguardShowing);
3669            if (updateSysUiVisibility) {
3670                updateSystemUiVisibilityLw();
3671            }
3672        }
3673    }
3674
3675    private boolean layoutStatusBar(Rect pf, Rect df, Rect of, Rect vf, Rect dcf, int sysui,
3676            boolean isKeyguardShowing) {
3677        // decide where the status bar goes ahead of time
3678        if (mStatusBar != null) {
3679            // apply any navigation bar insets
3680            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3681            pf.top = df.top = of.top = mUnrestrictedScreenTop;
3682            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
3683            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight
3684                    + mUnrestrictedScreenTop;
3685            vf.left = mStableLeft;
3686            vf.top = mStableTop;
3687            vf.right = mStableRight;
3688            vf.bottom = mStableBottom;
3689
3690            mStatusBarLayer = mStatusBar.getSurfaceLayer();
3691
3692            // Let the status bar determine its size.
3693            mStatusBar.computeFrameLw(pf /* parentFrame */, df /* displayFrame */,
3694                    vf /* overlayFrame */, vf /* contentFrame */, vf /* visibleFrame */,
3695                    dcf /* decorFrame */, vf /* stableFrame */, vf /* outsetFrame */);
3696
3697            // For layout, the status bar is always at the top with our fixed height.
3698            mStableTop = mUnrestrictedScreenTop + mStatusBarHeight;
3699
3700            boolean statusBarTransient = (sysui & View.STATUS_BAR_TRANSIENT) != 0;
3701            boolean statusBarTranslucent = (sysui
3702                    & (View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT)) != 0;
3703            if (!isKeyguardShowing) {
3704                statusBarTranslucent &= areTranslucentBarsAllowed();
3705            }
3706
3707            // If the status bar is hidden, we don't want to cause
3708            // windows behind it to scroll.
3709            if (mStatusBar.isVisibleLw() && !statusBarTransient) {
3710                // Status bar may go away, so the screen area it occupies
3711                // is available to apps but just covering them when the
3712                // status bar is visible.
3713                mDockTop = mUnrestrictedScreenTop + mStatusBarHeight;
3714
3715                mContentTop = mVoiceContentTop = mCurTop = mDockTop;
3716                mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
3717                mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
3718                mContentRight = mVoiceContentRight = mCurRight = mDockRight;
3719
3720                if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar: " +
3721                        String.format(
3722                                "dock=[%d,%d][%d,%d] content=[%d,%d][%d,%d] cur=[%d,%d][%d,%d]",
3723                                mDockLeft, mDockTop, mDockRight, mDockBottom,
3724                                mContentLeft, mContentTop, mContentRight, mContentBottom,
3725                                mCurLeft, mCurTop, mCurRight, mCurBottom));
3726            }
3727            if (mStatusBar.isVisibleLw() && !mStatusBar.isAnimatingLw()
3728                    && !statusBarTransient && !statusBarTranslucent
3729                    && !mStatusBarController.wasRecentlyTranslucent()) {
3730                // If the opaque status bar is currently requested to be visible,
3731                // and not in the process of animating on or off, then
3732                // we can tell the app that it is covered by it.
3733                mSystemTop = mUnrestrictedScreenTop + mStatusBarHeight;
3734            }
3735            if (mStatusBarController.checkHiddenLw()) {
3736                return true;
3737            }
3738        }
3739        return false;
3740    }
3741
3742    private boolean layoutNavigationBar(int displayWidth, int displayHeight, int displayRotation,
3743            int overscanRight, int overscanBottom, Rect dcf, boolean navVisible,
3744            boolean navTranslucent, boolean navAllowedHidden) {
3745        if (mNavigationBar != null) {
3746            boolean transientNavBarShowing = mNavigationBarController.isTransientShowing();
3747            // Force the navigation bar to its appropriate place and
3748            // size.  We need to do this directly, instead of relying on
3749            // it to bubble up from the nav bar, because this needs to
3750            // change atomically with screen rotations.
3751            mNavigationBarOnBottom = (!mNavigationBarCanMove || displayWidth < displayHeight);
3752            if (mNavigationBarOnBottom) {
3753                // It's a system nav bar or a portrait screen; nav bar goes on bottom.
3754                int top = displayHeight - overscanBottom
3755                        - mNavigationBarHeightForRotation[displayRotation];
3756                mTmpNavigationFrame.set(0, top, displayWidth, displayHeight - overscanBottom);
3757                mStableBottom = mStableFullscreenBottom = mTmpNavigationFrame.top;
3758                if (transientNavBarShowing) {
3759                    mNavigationBarController.setBarShowingLw(true);
3760                } else if (navVisible) {
3761                    mNavigationBarController.setBarShowingLw(true);
3762                    mDockBottom = mTmpNavigationFrame.top;
3763                    mRestrictedScreenHeight = mDockBottom - mRestrictedScreenTop;
3764                    mRestrictedOverscanScreenHeight = mDockBottom - mRestrictedOverscanScreenTop;
3765                } else {
3766                    // We currently want to hide the navigation UI.
3767                    mNavigationBarController.setBarShowingLw(false);
3768                }
3769                if (navVisible && !navTranslucent && !navAllowedHidden
3770                        && !mNavigationBar.isAnimatingLw()
3771                        && !mNavigationBarController.wasRecentlyTranslucent()) {
3772                    // If the opaque nav bar is currently requested to be visible,
3773                    // and not in the process of animating on or off, then
3774                    // we can tell the app that it is covered by it.
3775                    mSystemBottom = mTmpNavigationFrame.top;
3776                }
3777            } else {
3778                // Landscape screen; nav bar goes to the right.
3779                int left = displayWidth - overscanRight
3780                        - mNavigationBarWidthForRotation[displayRotation];
3781                mTmpNavigationFrame.set(left, 0, displayWidth - overscanRight, displayHeight);
3782                mStableRight = mStableFullscreenRight = mTmpNavigationFrame.left;
3783                if (transientNavBarShowing) {
3784                    mNavigationBarController.setBarShowingLw(true);
3785                } else if (navVisible) {
3786                    mNavigationBarController.setBarShowingLw(true);
3787                    mDockRight = mTmpNavigationFrame.left;
3788                    mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
3789                    mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
3790                } else {
3791                    // We currently want to hide the navigation UI.
3792                    mNavigationBarController.setBarShowingLw(false);
3793                }
3794                if (navVisible && !navTranslucent && !navAllowedHidden
3795                        && !mNavigationBar.isAnimatingLw()
3796                        && !mNavigationBarController.wasRecentlyTranslucent()) {
3797                    // If the nav bar is currently requested to be visible,
3798                    // and not in the process of animating on or off, then
3799                    // we can tell the app that it is covered by it.
3800                    mSystemRight = mTmpNavigationFrame.left;
3801                }
3802            }
3803            // Make sure the content and current rectangles are updated to
3804            // account for the restrictions from the navigation bar.
3805            mContentTop = mVoiceContentTop = mCurTop = mDockTop;
3806            mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
3807            mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
3808            mContentRight = mVoiceContentRight = mCurRight = mDockRight;
3809            mStatusBarLayer = mNavigationBar.getSurfaceLayer();
3810            // And compute the final frame.
3811            mNavigationBar.computeFrameLw(mTmpNavigationFrame, mTmpNavigationFrame,
3812                    mTmpNavigationFrame, mTmpNavigationFrame, mTmpNavigationFrame, dcf,
3813                    mTmpNavigationFrame, mTmpNavigationFrame);
3814            if (DEBUG_LAYOUT) Slog.i(TAG, "mNavigationBar frame: " + mTmpNavigationFrame);
3815            if (mNavigationBarController.checkHiddenLw()) {
3816                return true;
3817            }
3818        }
3819        return false;
3820    }
3821
3822    /** {@inheritDoc} */
3823    @Override
3824    public int getSystemDecorLayerLw() {
3825        if (mStatusBar != null && mStatusBar.isVisibleLw()) {
3826            return mStatusBar.getSurfaceLayer();
3827        }
3828
3829        if (mNavigationBar != null && mNavigationBar.isVisibleLw()) {
3830            return mNavigationBar.getSurfaceLayer();
3831        }
3832
3833        return 0;
3834    }
3835
3836    @Override
3837    public void getContentRectLw(Rect r) {
3838        r.set(mContentLeft, mContentTop, mContentRight, mContentBottom);
3839    }
3840
3841    void setAttachedWindowFrames(WindowState win, int fl, int adjust, WindowState attached,
3842            boolean insetDecors, Rect pf, Rect df, Rect of, Rect cf, Rect vf) {
3843        if (win.getSurfaceLayer() > mDockLayer && attached.getSurfaceLayer() < mDockLayer) {
3844            // Here's a special case: if this attached window is a panel that is
3845            // above the dock window, and the window it is attached to is below
3846            // the dock window, then the frames we computed for the window it is
3847            // attached to can not be used because the dock is effectively part
3848            // of the underlying window and the attached window is floating on top
3849            // of the whole thing.  So, we ignore the attached window and explicitly
3850            // compute the frames that would be appropriate without the dock.
3851            df.left = of.left = cf.left = vf.left = mDockLeft;
3852            df.top = of.top = cf.top = vf.top = mDockTop;
3853            df.right = of.right = cf.right = vf.right = mDockRight;
3854            df.bottom = of.bottom = cf.bottom = vf.bottom = mDockBottom;
3855        } else {
3856            // The effective display frame of the attached window depends on
3857            // whether it is taking care of insetting its content.  If not,
3858            // we need to use the parent's content frame so that the entire
3859            // window is positioned within that content.  Otherwise we can use
3860            // the overscan frame and let the attached window take care of
3861            // positioning its content appropriately.
3862            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
3863                // Set the content frame of the attached window to the parent's decor frame
3864                // (same as content frame when IME isn't present) if specifically requested by
3865                // setting {@link WindowManager.LayoutParams#FLAG_LAYOUT_ATTACHED_IN_DECOR} flag.
3866                // Otherwise, use the overscan frame.
3867                cf.set((fl & FLAG_LAYOUT_ATTACHED_IN_DECOR) != 0
3868                        ? attached.getContentFrameLw() : attached.getOverscanFrameLw());
3869            } else {
3870                // If the window is resizing, then we want to base the content
3871                // frame on our attached content frame to resize...  however,
3872                // things can be tricky if the attached window is NOT in resize
3873                // mode, in which case its content frame will be larger.
3874                // Ungh.  So to deal with that, make sure the content frame
3875                // we end up using is not covering the IM dock.
3876                cf.set(attached.getContentFrameLw());
3877                if (attached.isVoiceInteraction()) {
3878                    if (cf.left < mVoiceContentLeft) cf.left = mVoiceContentLeft;
3879                    if (cf.top < mVoiceContentTop) cf.top = mVoiceContentTop;
3880                    if (cf.right > mVoiceContentRight) cf.right = mVoiceContentRight;
3881                    if (cf.bottom > mVoiceContentBottom) cf.bottom = mVoiceContentBottom;
3882                } else if (attached.getSurfaceLayer() < mDockLayer) {
3883                    if (cf.left < mContentLeft) cf.left = mContentLeft;
3884                    if (cf.top < mContentTop) cf.top = mContentTop;
3885                    if (cf.right > mContentRight) cf.right = mContentRight;
3886                    if (cf.bottom > mContentBottom) cf.bottom = mContentBottom;
3887                }
3888            }
3889            df.set(insetDecors ? attached.getDisplayFrameLw() : cf);
3890            of.set(insetDecors ? attached.getOverscanFrameLw() : cf);
3891            vf.set(attached.getVisibleFrameLw());
3892        }
3893        // The LAYOUT_IN_SCREEN flag is used to determine whether the attached
3894        // window should be positioned relative to its parent or the entire
3895        // screen.
3896        pf.set((fl & FLAG_LAYOUT_IN_SCREEN) == 0
3897                ? attached.getFrameLw() : df);
3898    }
3899
3900    private void applyStableConstraints(int sysui, int fl, Rect r) {
3901        if ((sysui & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3902            // If app is requesting a stable layout, don't let the
3903            // content insets go below the stable values.
3904            if ((fl & FLAG_FULLSCREEN) != 0) {
3905                if (r.left < mStableFullscreenLeft) r.left = mStableFullscreenLeft;
3906                if (r.top < mStableFullscreenTop) r.top = mStableFullscreenTop;
3907                if (r.right > mStableFullscreenRight) r.right = mStableFullscreenRight;
3908                if (r.bottom > mStableFullscreenBottom) r.bottom = mStableFullscreenBottom;
3909            } else {
3910                if (r.left < mStableLeft) r.left = mStableLeft;
3911                if (r.top < mStableTop) r.top = mStableTop;
3912                if (r.right > mStableRight) r.right = mStableRight;
3913                if (r.bottom > mStableBottom) r.bottom = mStableBottom;
3914            }
3915        }
3916    }
3917
3918    private boolean canReceiveInput(WindowState win) {
3919        boolean notFocusable =
3920                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) != 0;
3921        boolean altFocusableIm =
3922                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM) != 0;
3923        boolean notFocusableForIm = notFocusable ^ altFocusableIm;
3924        return !notFocusableForIm;
3925    }
3926
3927    /** {@inheritDoc} */
3928    @Override
3929    public void layoutWindowLw(WindowState win, WindowState attached) {
3930        // We've already done the navigation bar and status bar. If the status bar can receive
3931        // input, we need to layout it again to accomodate for the IME window.
3932        if ((win == mStatusBar && !canReceiveInput(win)) || win == mNavigationBar) {
3933            return;
3934        }
3935        final WindowManager.LayoutParams attrs = win.getAttrs();
3936        final boolean isDefaultDisplay = win.isDefaultDisplay();
3937        final boolean needsToOffsetInputMethodTarget = isDefaultDisplay &&
3938                (win == mLastInputMethodTargetWindow && mLastInputMethodWindow != null);
3939        if (needsToOffsetInputMethodTarget) {
3940            if (DEBUG_LAYOUT) Slog.i(TAG, "Offset ime target window by the last ime window state");
3941            offsetInputMethodWindowLw(mLastInputMethodWindow);
3942        }
3943
3944        final int fl = PolicyControl.getWindowFlags(win, attrs);
3945        final int sim = attrs.softInputMode;
3946        final int sysUiFl = PolicyControl.getSystemUiVisibility(win, null);
3947
3948        final Rect pf = mTmpParentFrame;
3949        final Rect df = mTmpDisplayFrame;
3950        final Rect of = mTmpOverscanFrame;
3951        final Rect cf = mTmpContentFrame;
3952        final Rect vf = mTmpVisibleFrame;
3953        final Rect dcf = mTmpDecorFrame;
3954        final Rect sf = mTmpStableFrame;
3955        Rect osf = null;
3956        dcf.setEmpty();
3957
3958        final boolean hasNavBar = (isDefaultDisplay && mHasNavigationBar
3959                && mNavigationBar != null && mNavigationBar.isVisibleLw());
3960
3961        final int adjust = sim & SOFT_INPUT_MASK_ADJUST;
3962
3963        if (isDefaultDisplay) {
3964            sf.set(mStableLeft, mStableTop, mStableRight, mStableBottom);
3965        } else {
3966            sf.set(mOverscanLeft, mOverscanTop, mOverscanRight, mOverscanBottom);
3967        }
3968
3969        if (!isDefaultDisplay) {
3970            if (attached != null) {
3971                // If this window is attached to another, our display
3972                // frame is the same as the one we are attached to.
3973                setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
3974            } else {
3975                // Give the window full screen.
3976                pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3977                pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3978                pf.right = df.right = of.right = cf.right
3979                        = mOverscanScreenLeft + mOverscanScreenWidth;
3980                pf.bottom = df.bottom = of.bottom = cf.bottom
3981                        = mOverscanScreenTop + mOverscanScreenHeight;
3982            }
3983        } else if (attrs.type == TYPE_INPUT_METHOD) {
3984            pf.left = df.left = of.left = cf.left = vf.left = mDockLeft;
3985            pf.top = df.top = of.top = cf.top = vf.top = mDockTop;
3986            pf.right = df.right = of.right = cf.right = vf.right = mDockRight;
3987            // IM dock windows layout below the nav bar...
3988            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3989            // ...with content insets above the nav bar
3990            cf.bottom = vf.bottom = mStableBottom;
3991            // IM dock windows always go to the bottom of the screen.
3992            attrs.gravity = Gravity.BOTTOM;
3993            mDockLayer = win.getSurfaceLayer();
3994        } else if (attrs.type == TYPE_VOICE_INTERACTION) {
3995            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3996            pf.top = df.top = of.top = mUnrestrictedScreenTop;
3997            pf.right = df.right = of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3998            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3999            cf.bottom = vf.bottom = mStableBottom;
4000            // Note: In Phone landscape mode, the button bar should also be excluded.
4001            cf.right = vf.right = mStableRight;
4002            cf.left = vf.left = mStableLeft;
4003            cf.top = vf.top = mStableTop;
4004        } else if (win == mStatusBar) {
4005            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4006            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4007            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
4008            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight + mUnrestrictedScreenTop;
4009            cf.left = vf.left = mStableLeft;
4010            cf.top = vf.top = mStableTop;
4011            cf.right = vf.right = mStableRight;
4012            vf.bottom = mStableBottom;
4013            cf.bottom = mContentBottom;
4014        } else {
4015
4016            // Default policy decor for the default display
4017            dcf.left = mSystemLeft;
4018            dcf.top = mSystemTop;
4019            dcf.right = mSystemRight;
4020            dcf.bottom = mSystemBottom;
4021            final boolean inheritTranslucentDecor = (attrs.privateFlags
4022                    & WindowManager.LayoutParams.PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR) != 0;
4023            final boolean isAppWindow =
4024                    attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW &&
4025                    attrs.type <= WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
4026            final boolean topAtRest =
4027                    win == mTopFullscreenOpaqueWindowState && !win.isAnimatingLw();
4028            if (isAppWindow && !inheritTranslucentDecor && !topAtRest) {
4029                if ((sysUiFl & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0
4030                        && (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) == 0
4031                        && (fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) == 0
4032                        && (fl & WindowManager.LayoutParams.
4033                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0
4034                        && !mForceWindowDrawsStatusBarBackground) {
4035                    // Ensure policy decor includes status bar
4036                    dcf.top = mStableTop;
4037                }
4038                if ((fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) == 0
4039                        && (sysUiFl & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0
4040                        && (fl & WindowManager.LayoutParams.
4041                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
4042                    // Ensure policy decor includes navigation bar
4043                    dcf.bottom = mStableBottom;
4044                    dcf.right = mStableRight;
4045                }
4046            }
4047
4048            if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
4049                    == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
4050                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle()
4051                            + "): IN_SCREEN, INSET_DECOR");
4052                // This is the case for a normal activity window: we want it
4053                // to cover all of the screen space, and it can take care of
4054                // moving its contents to account for screen decorations that
4055                // intrude into that space.
4056                if (attached != null) {
4057                    // If this window is attached to another, our display
4058                    // frame is the same as the one we are attached to.
4059                    setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4060                } else {
4061                    if (attrs.type == TYPE_STATUS_BAR_PANEL
4062                            || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
4063                        // Status bar panels are the only windows who can go on top of
4064                        // the status bar.  They are protected by the STATUS_BAR_SERVICE
4065                        // permission, so they have the same privileges as the status
4066                        // bar itself.
4067                        //
4068                        // However, they should still dodge the navigation bar if it exists.
4069
4070                        pf.left = df.left = of.left = hasNavBar
4071                                ? mDockLeft : mUnrestrictedScreenLeft;
4072                        pf.top = df.top = of.top = mUnrestrictedScreenTop;
4073                        pf.right = df.right = of.right = hasNavBar
4074                                ? mRestrictedScreenLeft+mRestrictedScreenWidth
4075                                : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4076                        pf.bottom = df.bottom = of.bottom = hasNavBar
4077                                ? mRestrictedScreenTop+mRestrictedScreenHeight
4078                                : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4079
4080                        if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4081                                        "Laying out status bar window: (%d,%d - %d,%d)",
4082                                        pf.left, pf.top, pf.right, pf.bottom));
4083                    } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4084                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4085                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4086                        // Asking to layout into the overscan region, so give it that pure
4087                        // unrestricted area.
4088                        pf.left = df.left = of.left = mOverscanScreenLeft;
4089                        pf.top = df.top = of.top = mOverscanScreenTop;
4090                        pf.right = df.right = of.right = mOverscanScreenLeft + mOverscanScreenWidth;
4091                        pf.bottom = df.bottom = of.bottom = mOverscanScreenTop
4092                                + mOverscanScreenHeight;
4093                    } else if (canHideNavigationBar()
4094                            && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4095                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4096                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4097                        // Asking for layout as if the nav bar is hidden, lets the
4098                        // application extend into the unrestricted overscan screen area.  We
4099                        // only do this for application windows to ensure no window that
4100                        // can be above the nav bar can do this.
4101                        pf.left = df.left = mOverscanScreenLeft;
4102                        pf.top = df.top = mOverscanScreenTop;
4103                        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4104                        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4105                        // We need to tell the app about where the frame inside the overscan
4106                        // is, so it can inset its content by that amount -- it didn't ask
4107                        // to actually extend itself into the overscan region.
4108                        of.left = mUnrestrictedScreenLeft;
4109                        of.top = mUnrestrictedScreenTop;
4110                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4111                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4112                    } else {
4113                        pf.left = df.left = mRestrictedOverscanScreenLeft;
4114                        pf.top = df.top = mRestrictedOverscanScreenTop;
4115                        pf.right = df.right = mRestrictedOverscanScreenLeft
4116                                + mRestrictedOverscanScreenWidth;
4117                        pf.bottom = df.bottom = mRestrictedOverscanScreenTop
4118                                + mRestrictedOverscanScreenHeight;
4119                        // We need to tell the app about where the frame inside the overscan
4120                        // is, so it can inset its content by that amount -- it didn't ask
4121                        // to actually extend itself into the overscan region.
4122                        of.left = mUnrestrictedScreenLeft;
4123                        of.top = mUnrestrictedScreenTop;
4124                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4125                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4126                    }
4127
4128                    if ((fl & FLAG_FULLSCREEN) == 0) {
4129                        if (win.isVoiceInteraction()) {
4130                            cf.left = mVoiceContentLeft;
4131                            cf.top = mVoiceContentTop;
4132                            cf.right = mVoiceContentRight;
4133                            cf.bottom = mVoiceContentBottom;
4134                        } else {
4135                            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4136                                cf.left = mDockLeft;
4137                                cf.top = mDockTop;
4138                                cf.right = mDockRight;
4139                                cf.bottom = mDockBottom;
4140                            } else {
4141                                cf.left = mContentLeft;
4142                                cf.top = mContentTop;
4143                                cf.right = mContentRight;
4144                                cf.bottom = mContentBottom;
4145                            }
4146                        }
4147                    } else {
4148                        // Full screen windows are always given a layout that is as if the
4149                        // status bar and other transient decors are gone.  This is to avoid
4150                        // bad states when moving from a window that is not hding the
4151                        // status bar to one that is.
4152                        cf.left = mRestrictedScreenLeft;
4153                        cf.top = mRestrictedScreenTop;
4154                        cf.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
4155                        cf.bottom = mRestrictedScreenTop + mRestrictedScreenHeight;
4156                    }
4157                    applyStableConstraints(sysUiFl, fl, cf);
4158                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4159                        vf.left = mCurLeft;
4160                        vf.top = mCurTop;
4161                        vf.right = mCurRight;
4162                        vf.bottom = mCurBottom;
4163                    } else {
4164                        vf.set(cf);
4165                    }
4166                }
4167            } else if ((fl & FLAG_LAYOUT_IN_SCREEN) != 0 || (sysUiFl
4168                    & (View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
4169                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION)) != 0) {
4170                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4171                        "): IN_SCREEN");
4172                // A window that has requested to fill the entire screen just
4173                // gets everything, period.
4174                if (attrs.type == TYPE_STATUS_BAR_PANEL
4175                        || attrs.type == TYPE_STATUS_BAR_SUB_PANEL
4176                        || attrs.type == TYPE_VOLUME_OVERLAY) {
4177                    pf.left = df.left = of.left = cf.left = hasNavBar
4178                            ? mDockLeft : mUnrestrictedScreenLeft;
4179                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4180                    pf.right = df.right = of.right = cf.right = hasNavBar
4181                                        ? mRestrictedScreenLeft+mRestrictedScreenWidth
4182                                        : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4183                    pf.bottom = df.bottom = of.bottom = cf.bottom = hasNavBar
4184                                          ? mRestrictedScreenTop+mRestrictedScreenHeight
4185                                          : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4186                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4187                                    "Laying out IN_SCREEN status bar window: (%d,%d - %d,%d)",
4188                                    pf.left, pf.top, pf.right, pf.bottom));
4189                } else if (attrs.type == TYPE_NAVIGATION_BAR
4190                        || attrs.type == TYPE_NAVIGATION_BAR_PANEL) {
4191                    // The navigation bar has Real Ultimate Power.
4192                    pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4193                    pf.top = df.top = of.top = mUnrestrictedScreenTop;
4194                    pf.right = df.right = of.right = mUnrestrictedScreenLeft
4195                            + mUnrestrictedScreenWidth;
4196                    pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop
4197                            + mUnrestrictedScreenHeight;
4198                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4199                                    "Laying out navigation bar window: (%d,%d - %d,%d)",
4200                                    pf.left, pf.top, pf.right, pf.bottom));
4201                } else if ((attrs.type == TYPE_SECURE_SYSTEM_OVERLAY
4202                                || attrs.type == TYPE_BOOT_PROGRESS)
4203                        && ((fl & FLAG_FULLSCREEN) != 0)) {
4204                    // Fullscreen secure system overlays get what they ask for.
4205                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4206                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4207                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4208                            + mOverscanScreenWidth;
4209                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4210                            + mOverscanScreenHeight;
4211                } else if (attrs.type == TYPE_BOOT_PROGRESS) {
4212                    // Boot progress screen always covers entire display.
4213                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4214                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4215                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4216                            + mOverscanScreenWidth;
4217                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4218                            + mOverscanScreenHeight;
4219                } else if (attrs.type == TYPE_WALLPAPER) {
4220                    // The wallpaper also has Real Ultimate Power, but we want to tell
4221                    // it about the overscan area.
4222                    pf.left = df.left = mOverscanScreenLeft;
4223                    pf.top = df.top = mOverscanScreenTop;
4224                    pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4225                    pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4226                    of.left = cf.left = mUnrestrictedScreenLeft;
4227                    of.top = cf.top = mUnrestrictedScreenTop;
4228                    of.right = cf.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4229                    of.bottom = cf.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4230                } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4231                        && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4232                        && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4233                    // Asking to layout into the overscan region, so give it that pure
4234                    // unrestricted area.
4235                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4236                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4237                    pf.right = df.right = of.right = cf.right
4238                            = mOverscanScreenLeft + mOverscanScreenWidth;
4239                    pf.bottom = df.bottom = of.bottom = cf.bottom
4240                            = mOverscanScreenTop + mOverscanScreenHeight;
4241                } else if (canHideNavigationBar()
4242                        && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4243                        && (attrs.type == TYPE_STATUS_BAR
4244                            || attrs.type == TYPE_TOAST
4245                            || attrs.type == TYPE_VOICE_INTERACTION_STARTING
4246                            || (attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4247                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW))) {
4248                    // Asking for layout as if the nav bar is hidden, lets the
4249                    // application extend into the unrestricted screen area.  We
4250                    // only do this for application windows (or toasts) to ensure no window that
4251                    // can be above the nav bar can do this.
4252                    // XXX This assumes that an app asking for this will also
4253                    // ask for layout in only content.  We can't currently figure out
4254                    // what the screen would be if only laying out to hide the nav bar.
4255                    pf.left = df.left = of.left = cf.left = mUnrestrictedScreenLeft;
4256                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4257                    pf.right = df.right = of.right = cf.right = mUnrestrictedScreenLeft
4258                            + mUnrestrictedScreenWidth;
4259                    pf.bottom = df.bottom = of.bottom = cf.bottom = mUnrestrictedScreenTop
4260                            + mUnrestrictedScreenHeight;
4261                } else {
4262                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4263                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4264                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4265                            + mRestrictedScreenWidth;
4266                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4267                            + mRestrictedScreenHeight;
4268                }
4269
4270                applyStableConstraints(sysUiFl, fl, cf);
4271
4272                if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4273                    vf.left = mCurLeft;
4274                    vf.top = mCurTop;
4275                    vf.right = mCurRight;
4276                    vf.bottom = mCurBottom;
4277                } else {
4278                    vf.set(cf);
4279                }
4280            } else if (attached != null) {
4281                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4282                        "): attached to " + attached);
4283                // A child window should be placed inside of the same visible
4284                // frame that its parent had.
4285                setAttachedWindowFrames(win, fl, adjust, attached, false, pf, df, of, cf, vf);
4286            } else {
4287                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4288                        "): normal window");
4289                // Otherwise, a normal window must be placed inside the content
4290                // of all screen decorations.
4291                if (attrs.type == TYPE_STATUS_BAR_PANEL || attrs.type == TYPE_VOLUME_OVERLAY) {
4292                    // Status bar panels and the volume dialog are the only windows who can go on
4293                    // top of the status bar.  They are protected by the STATUS_BAR_SERVICE
4294                    // permission, so they have the same privileges as the status
4295                    // bar itself.
4296                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4297                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4298                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4299                            + mRestrictedScreenWidth;
4300                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4301                            + mRestrictedScreenHeight;
4302                } else if (attrs.type == TYPE_TOAST || attrs.type == TYPE_SYSTEM_ALERT) {
4303                    // These dialogs are stable to interim decor changes.
4304                    pf.left = df.left = of.left = cf.left = mStableLeft;
4305                    pf.top = df.top = of.top = cf.top = mStableTop;
4306                    pf.right = df.right = of.right = cf.right = mStableRight;
4307                    pf.bottom = df.bottom = of.bottom = cf.bottom = mStableBottom;
4308                } else {
4309                    pf.left = mContentLeft;
4310                    pf.top = mContentTop;
4311                    pf.right = mContentRight;
4312                    pf.bottom = mContentBottom;
4313                    if (win.isVoiceInteraction()) {
4314                        df.left = of.left = cf.left = mVoiceContentLeft;
4315                        df.top = of.top = cf.top = mVoiceContentTop;
4316                        df.right = of.right = cf.right = mVoiceContentRight;
4317                        df.bottom = of.bottom = cf.bottom = mVoiceContentBottom;
4318                    } else if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4319                        df.left = of.left = cf.left = mDockLeft;
4320                        df.top = of.top = cf.top = mDockTop;
4321                        df.right = of.right = cf.right = mDockRight;
4322                        df.bottom = of.bottom = cf.bottom = mDockBottom;
4323                    } else {
4324                        df.left = of.left = cf.left = mContentLeft;
4325                        df.top = of.top = cf.top = mContentTop;
4326                        df.right = of.right = cf.right = mContentRight;
4327                        df.bottom = of.bottom = cf.bottom = mContentBottom;
4328                    }
4329                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4330                        vf.left = mCurLeft;
4331                        vf.top = mCurTop;
4332                        vf.right = mCurRight;
4333                        vf.bottom = mCurBottom;
4334                    } else {
4335                        vf.set(cf);
4336                    }
4337                }
4338            }
4339        }
4340
4341        // TYPE_SYSTEM_ERROR is above the NavigationBar so it can't be allowed to extend over it.
4342        if ((fl & FLAG_LAYOUT_NO_LIMITS) != 0 && attrs.type != TYPE_SYSTEM_ERROR) {
4343            df.left = df.top = -10000;
4344            df.right = df.bottom = 10000;
4345            if (attrs.type != TYPE_WALLPAPER) {
4346                of.left = of.top = cf.left = cf.top = vf.left = vf.top = -10000;
4347                of.right = of.bottom = cf.right = cf.bottom = vf.right = vf.bottom = 10000;
4348            }
4349        }
4350
4351        // If the device has a chin (e.g. some watches), a dead area at the bottom of the screen we
4352        // need to provide information to the clients that want to pretend that you can draw there.
4353        // We only want to apply outsets to certain types of windows. For example, we never want to
4354        // apply the outsets to floating dialogs, because they wouldn't make sense there.
4355        final boolean useOutsets = shouldUseOutsets(attrs, fl);
4356        if (isDefaultDisplay && useOutsets) {
4357            osf = mTmpOutsetFrame;
4358            osf.set(cf.left, cf.top, cf.right, cf.bottom);
4359            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
4360            if (outset > 0) {
4361                int rotation = mDisplayRotation;
4362                if (rotation == Surface.ROTATION_0) {
4363                    osf.bottom += outset;
4364                } else if (rotation == Surface.ROTATION_90) {
4365                    osf.right += outset;
4366                } else if (rotation == Surface.ROTATION_180) {
4367                    osf.top -= outset;
4368                } else if (rotation == Surface.ROTATION_270) {
4369                    osf.left -= outset;
4370                }
4371                if (DEBUG_LAYOUT) Slog.v(TAG, "applying bottom outset of " + outset
4372                        + " with rotation " + rotation + ", result: " + osf);
4373            }
4374        }
4375
4376        if (DEBUG_LAYOUT) Slog.v(TAG, "Compute frame " + attrs.getTitle()
4377                + ": sim=#" + Integer.toHexString(sim)
4378                + " attach=" + attached + " type=" + attrs.type
4379                + String.format(" flags=0x%08x", fl)
4380                + " pf=" + pf.toShortString() + " df=" + df.toShortString()
4381                + " of=" + of.toShortString()
4382                + " cf=" + cf.toShortString() + " vf=" + vf.toShortString()
4383                + " dcf=" + dcf.toShortString()
4384                + " sf=" + sf.toShortString()
4385                + " osf=" + (osf == null ? "null" : osf.toShortString()));
4386
4387        win.computeFrameLw(pf, df, of, cf, vf, dcf, sf, osf);
4388
4389        // Dock windows carve out the bottom of the screen, so normal windows
4390        // can't appear underneath them.
4391        if (attrs.type == TYPE_INPUT_METHOD && win.isVisibleOrBehindKeyguardLw()
4392                && !win.getGivenInsetsPendingLw()) {
4393            setLastInputMethodWindowLw(null, null);
4394            offsetInputMethodWindowLw(win);
4395        }
4396        if (attrs.type == TYPE_VOICE_INTERACTION && win.isVisibleOrBehindKeyguardLw()
4397                && !win.getGivenInsetsPendingLw()) {
4398            offsetVoiceInputWindowLw(win);
4399        }
4400    }
4401
4402    private void offsetInputMethodWindowLw(WindowState win) {
4403        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4404        top += win.getGivenContentInsetsLw().top;
4405        if (mContentBottom > top) {
4406            mContentBottom = top;
4407        }
4408        if (mVoiceContentBottom > top) {
4409            mVoiceContentBottom = top;
4410        }
4411        top = win.getVisibleFrameLw().top;
4412        top += win.getGivenVisibleInsetsLw().top;
4413        if (mCurBottom > top) {
4414            mCurBottom = top;
4415        }
4416        if (DEBUG_LAYOUT) Slog.v(TAG, "Input method: mDockBottom="
4417                + mDockBottom + " mContentBottom="
4418                + mContentBottom + " mCurBottom=" + mCurBottom);
4419    }
4420
4421    private void offsetVoiceInputWindowLw(WindowState win) {
4422        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4423        top += win.getGivenContentInsetsLw().top;
4424        if (mVoiceContentBottom > top) {
4425            mVoiceContentBottom = top;
4426        }
4427    }
4428
4429    /** {@inheritDoc} */
4430    @Override
4431    public void finishLayoutLw() {
4432        return;
4433    }
4434
4435    /** {@inheritDoc} */
4436    @Override
4437    public void beginPostLayoutPolicyLw(int displayWidth, int displayHeight) {
4438        mTopFullscreenOpaqueWindowState = null;
4439        mTopFullscreenOpaqueOrDimmingWindowState = null;
4440        mAppsToBeHidden.clear();
4441        mAppsThatDismissKeyguard.clear();
4442        mForceStatusBar = false;
4443        mForceStatusBarFromKeyguard = false;
4444        mForceStatusBarTransparent = false;
4445        mForcingShowNavBar = false;
4446        mForcingShowNavBarLayer = -1;
4447
4448        mHideLockScreen = false;
4449        mAllowLockscreenWhenOn = false;
4450        mDismissKeyguard = DISMISS_KEYGUARD_NONE;
4451        mShowingLockscreen = false;
4452        mShowingDream = false;
4453        mWinShowWhenLocked = null;
4454        mKeyguardSecure = isKeyguardSecure();
4455        mKeyguardSecureIncludingHidden = mKeyguardSecure
4456                && (mKeyguardDelegate != null && mKeyguardDelegate.isShowing());
4457    }
4458
4459    /** {@inheritDoc} */
4460    @Override
4461    public void applyPostLayoutPolicyLw(WindowState win, WindowManager.LayoutParams attrs,
4462            WindowState attached) {
4463        if (DEBUG_LAYOUT) Slog.i(TAG, "Win " + win + ": isVisibleOrBehindKeyguardLw="
4464                + win.isVisibleOrBehindKeyguardLw());
4465        final int fl = PolicyControl.getWindowFlags(win, attrs);
4466        if (mTopFullscreenOpaqueWindowState == null
4467                && win.isVisibleLw() && attrs.type == TYPE_INPUT_METHOD) {
4468            mForcingShowNavBar = true;
4469            mForcingShowNavBarLayer = win.getSurfaceLayer();
4470        }
4471        if (attrs.type == TYPE_STATUS_BAR) {
4472            if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4473                mForceStatusBarFromKeyguard = true;
4474                mShowingLockscreen = true;
4475            }
4476            if ((attrs.privateFlags & PRIVATE_FLAG_FORCE_STATUS_BAR_VISIBLE_TRANSPARENT) != 0) {
4477                mForceStatusBarTransparent = true;
4478            }
4479        }
4480
4481        boolean appWindow = attrs.type >= FIRST_APPLICATION_WINDOW
4482                && attrs.type < FIRST_SYSTEM_WINDOW;
4483        final boolean showWhenLocked = (fl & FLAG_SHOW_WHEN_LOCKED) != 0;
4484        final boolean dismissKeyguard = (fl & FLAG_DISMISS_KEYGUARD) != 0;
4485
4486        if (mTopFullscreenOpaqueWindowState == null &&
4487                win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()) {
4488            if ((fl & FLAG_FORCE_NOT_FULLSCREEN) != 0) {
4489                if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4490                    mForceStatusBarFromKeyguard = true;
4491                } else {
4492                    mForceStatusBar = true;
4493                }
4494            }
4495            if (attrs.type == TYPE_DREAM) {
4496                // If the lockscreen was showing when the dream started then wait
4497                // for the dream to draw before hiding the lockscreen.
4498                if (!mDreamingLockscreen
4499                        || (win.isVisibleLw() && win.hasDrawnLw())) {
4500                    mShowingDream = true;
4501                    appWindow = true;
4502                }
4503            }
4504
4505            final IApplicationToken appToken = win.getAppToken();
4506
4507            // For app windows that are not attached, we decide if all windows in the app they
4508            // represent should be hidden or if we should hide the lockscreen. For attached app
4509            // windows we defer the decision to the window it is attached to.
4510            if (appWindow && attached == null) {
4511                if (showWhenLocked) {
4512                    // Remove any previous windows with the same appToken.
4513                    mAppsToBeHidden.remove(appToken);
4514                    mAppsThatDismissKeyguard.remove(appToken);
4515                    if (mAppsToBeHidden.isEmpty()) {
4516                        if (dismissKeyguard && !mKeyguardSecure) {
4517                            mAppsThatDismissKeyguard.add(appToken);
4518                        } else if (win.isDrawnLw() || win.hasAppShownWindows()) {
4519                            mWinShowWhenLocked = win;
4520                            mHideLockScreen = true;
4521                            mForceStatusBarFromKeyguard = false;
4522                        }
4523                    }
4524                } else if (dismissKeyguard) {
4525                    if (mKeyguardSecure) {
4526                        mAppsToBeHidden.add(appToken);
4527                    } else {
4528                        mAppsToBeHidden.remove(appToken);
4529                    }
4530                    mAppsThatDismissKeyguard.add(appToken);
4531                } else {
4532                    mAppsToBeHidden.add(appToken);
4533                }
4534                if (attrs.x == 0 && attrs.y == 0
4535                        && attrs.width == WindowManager.LayoutParams.MATCH_PARENT
4536                        && attrs.height == WindowManager.LayoutParams.MATCH_PARENT) {
4537                    if (DEBUG_LAYOUT) Slog.v(TAG, "Fullscreen window: " + win);
4538                    mTopFullscreenOpaqueWindowState = win;
4539                    if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
4540                        mTopFullscreenOpaqueOrDimmingWindowState = win;
4541                    }
4542                    if (!mAppsThatDismissKeyguard.isEmpty() &&
4543                            mDismissKeyguard == DISMISS_KEYGUARD_NONE) {
4544                        if (DEBUG_LAYOUT) Slog.v(TAG,
4545                                "Setting mDismissKeyguard true by win " + win);
4546                        mDismissKeyguard = (mWinDismissingKeyguard == win
4547                                && mSecureDismissingKeyguard == mKeyguardSecure)
4548                                ? DISMISS_KEYGUARD_CONTINUE : DISMISS_KEYGUARD_START;
4549                        mWinDismissingKeyguard = win;
4550                        mSecureDismissingKeyguard = mKeyguardSecure;
4551                        mForceStatusBarFromKeyguard = mShowingLockscreen && mKeyguardSecure;
4552                    } else if (mAppsToBeHidden.isEmpty() && showWhenLocked
4553                            && (win.isDrawnLw() || win.hasAppShownWindows())) {
4554                        if (DEBUG_LAYOUT) Slog.v(TAG,
4555                                "Setting mHideLockScreen to true by win " + win);
4556                        mHideLockScreen = true;
4557                        mForceStatusBarFromKeyguard = false;
4558                    }
4559                    if ((fl & FLAG_ALLOW_LOCK_WHILE_SCREEN_ON) != 0) {
4560                        mAllowLockscreenWhenOn = true;
4561                    }
4562                }
4563
4564                if (mWinShowWhenLocked != null &&
4565                        mWinShowWhenLocked.getAppToken() != win.getAppToken() &&
4566                        (attrs.flags & FLAG_SHOW_WHEN_LOCKED) == 0) {
4567                    win.hideLw(false);
4568                }
4569            }
4570        } else if (mTopFullscreenOpaqueWindowState == null && mWinShowWhenLocked == null) {
4571            // No TopFullscreenOpaqueWindow is showing, but we found a SHOW_WHEN_LOCKED window
4572            // that is being hidden in an animation - keep the
4573            // keyguard hidden until the new window shows up and
4574            // we know whether to show the keyguard or not.
4575            if (win.isAnimatingLw() && appWindow && showWhenLocked && mKeyguardHidden) {
4576                mHideLockScreen = true;
4577                mWinShowWhenLocked = win;
4578            }
4579        }
4580        if (mTopFullscreenOpaqueOrDimmingWindowState == null
4581                && win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()
4582                && win.isDimming()) {
4583            mTopFullscreenOpaqueOrDimmingWindowState = win;
4584        }
4585    }
4586
4587    /** {@inheritDoc} */
4588    @Override
4589    public int finishPostLayoutPolicyLw() {
4590        if (mWinShowWhenLocked != null && mTopFullscreenOpaqueWindowState != null &&
4591                mWinShowWhenLocked.getAppToken() != mTopFullscreenOpaqueWindowState.getAppToken()
4592                && isKeyguardLocked()) {
4593            // A dialog is dismissing the keyguard. Put the wallpaper behind it and hide the
4594            // fullscreen window.
4595            // TODO: Make sure FLAG_SHOW_WALLPAPER is restored when dialog is dismissed. Or not.
4596            mWinShowWhenLocked.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
4597            mTopFullscreenOpaqueWindowState.hideLw(false);
4598            mTopFullscreenOpaqueWindowState = mWinShowWhenLocked;
4599        }
4600
4601        int changes = 0;
4602        boolean topIsFullscreen = false;
4603
4604        final WindowManager.LayoutParams lp = (mTopFullscreenOpaqueWindowState != null)
4605                ? mTopFullscreenOpaqueWindowState.getAttrs()
4606                : null;
4607
4608        // If we are not currently showing a dream then remember the current
4609        // lockscreen state.  We will use this to determine whether the dream
4610        // started while the lockscreen was showing and remember this state
4611        // while the dream is showing.
4612        if (!mShowingDream) {
4613            mDreamingLockscreen = mShowingLockscreen;
4614            if (mDreamingSleepTokenNeeded) {
4615                mDreamingSleepTokenNeeded = false;
4616                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 0, 1).sendToTarget();
4617            }
4618        } else {
4619            if (!mDreamingSleepTokenNeeded) {
4620                mDreamingSleepTokenNeeded = true;
4621                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 1, 1).sendToTarget();
4622            }
4623        }
4624
4625        if (mStatusBar != null) {
4626            if (DEBUG_LAYOUT) Slog.i(TAG, "force=" + mForceStatusBar
4627                    + " forcefkg=" + mForceStatusBarFromKeyguard
4628                    + " top=" + mTopFullscreenOpaqueWindowState);
4629            boolean shouldBeTransparent = mForceStatusBarTransparent
4630                    && !mForceStatusBar
4631                    && !mForceStatusBarFromKeyguard;
4632            if (!shouldBeTransparent) {
4633                mStatusBarController.setShowTransparent(false /* transparent */);
4634            } else if (!mStatusBar.isVisibleLw()) {
4635                mStatusBarController.setShowTransparent(true /* transparent */);
4636            }
4637            if (mForceStatusBar || mForceStatusBarFromKeyguard || mForceStatusBarTransparent) {
4638                if (DEBUG_LAYOUT) Slog.v(TAG, "Showing status bar: forced");
4639                if (mStatusBarController.setBarShowingLw(true)) {
4640                    changes |= FINISH_LAYOUT_REDO_LAYOUT;
4641                }
4642                // Maintain fullscreen layout until incoming animation is complete.
4643                topIsFullscreen = mTopIsFullscreen && mStatusBar.isAnimatingLw();
4644                // Transient status bar on the lockscreen is not allowed
4645                if (mForceStatusBarFromKeyguard && mStatusBarController.isTransientShowing()) {
4646                    mStatusBarController.updateVisibilityLw(false /*transientAllowed*/,
4647                            mLastSystemUiFlags, mLastSystemUiFlags);
4648                }
4649            } else if (mTopFullscreenOpaqueWindowState != null) {
4650                final int fl = PolicyControl.getWindowFlags(null, lp);
4651                if (localLOGV) {
4652                    Slog.d(TAG, "frame: " + mTopFullscreenOpaqueWindowState.getFrameLw()
4653                            + " shown position: "
4654                            + mTopFullscreenOpaqueWindowState.getShownPositionLw());
4655                    Slog.d(TAG, "attr: " + mTopFullscreenOpaqueWindowState.getAttrs()
4656                            + " lp.flags=0x" + Integer.toHexString(fl));
4657                }
4658                topIsFullscreen = (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0
4659                        || (mLastSystemUiFlags & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
4660                // The subtle difference between the window for mTopFullscreenOpaqueWindowState
4661                // and mTopIsFullscreen is that mTopIsFullscreen is set only if the window
4662                // has the FLAG_FULLSCREEN set.  Not sure if there is another way that to be the
4663                // case though.
4664                if (mStatusBarController.isTransientShowing()) {
4665                    if (mStatusBarController.setBarShowingLw(true)) {
4666                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4667                    }
4668                } else if (topIsFullscreen
4669                        && !mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID)
4670                        && !mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID)) {
4671                    if (DEBUG_LAYOUT) Slog.v(TAG, "** HIDING status bar");
4672                    if (mStatusBarController.setBarShowingLw(false)) {
4673                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4674                    } else {
4675                        if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar already hiding");
4676                    }
4677                } else {
4678                    if (DEBUG_LAYOUT) Slog.v(TAG, "** SHOWING status bar: top is not fullscreen");
4679                    if (mStatusBarController.setBarShowingLw(true)) {
4680                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4681                    }
4682                }
4683            }
4684        }
4685
4686        if (mTopIsFullscreen != topIsFullscreen) {
4687            if (!topIsFullscreen) {
4688                // Force another layout when status bar becomes fully shown.
4689                changes |= FINISH_LAYOUT_REDO_LAYOUT;
4690            }
4691            mTopIsFullscreen = topIsFullscreen;
4692        }
4693
4694        // Hide the key guard if a visible window explicitly specifies that it wants to be
4695        // displayed when the screen is locked.
4696        if (mKeyguardDelegate != null && mStatusBar != null) {
4697            if (localLOGV) Slog.v(TAG, "finishPostLayoutPolicyLw: mHideKeyguard="
4698                    + mHideLockScreen);
4699            if (mDismissKeyguard != DISMISS_KEYGUARD_NONE && !mKeyguardSecure) {
4700                mKeyguardHidden = true;
4701                if (setKeyguardOccludedLw(true)) {
4702                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4703                            | FINISH_LAYOUT_REDO_CONFIG
4704                            | FINISH_LAYOUT_REDO_WALLPAPER;
4705                }
4706                if (mKeyguardDelegate.isShowing()) {
4707                    mHandler.post(new Runnable() {
4708                        @Override
4709                        public void run() {
4710                            mKeyguardDelegate.keyguardDone(false, false);
4711                        }
4712                    });
4713                }
4714            } else if (mHideLockScreen) {
4715                mKeyguardHidden = true;
4716                mWinDismissingKeyguard = null;
4717                if (setKeyguardOccludedLw(true)) {
4718                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4719                            | FINISH_LAYOUT_REDO_CONFIG
4720                            | FINISH_LAYOUT_REDO_WALLPAPER;
4721                }
4722            } else if (mDismissKeyguard != DISMISS_KEYGUARD_NONE) {
4723                mKeyguardHidden = false;
4724                if (setKeyguardOccludedLw(false)) {
4725                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4726                            | FINISH_LAYOUT_REDO_CONFIG
4727                            | FINISH_LAYOUT_REDO_WALLPAPER;
4728                }
4729                if (mDismissKeyguard == DISMISS_KEYGUARD_START) {
4730                    // Only launch the next keyguard unlock window once per window.
4731                    mHandler.post(new Runnable() {
4732                        @Override
4733                        public void run() {
4734                            mKeyguardDelegate.dismiss();
4735                        }
4736                    });
4737                }
4738            } else {
4739                mWinDismissingKeyguard = null;
4740                mSecureDismissingKeyguard = false;
4741                mKeyguardHidden = false;
4742                if (setKeyguardOccludedLw(false)) {
4743                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4744                            | FINISH_LAYOUT_REDO_CONFIG
4745                            | FINISH_LAYOUT_REDO_WALLPAPER;
4746                }
4747            }
4748        }
4749
4750        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
4751            // If the navigation bar has been hidden or shown, we need to do another
4752            // layout pass to update that window.
4753            changes |= FINISH_LAYOUT_REDO_LAYOUT;
4754        }
4755
4756        // update since mAllowLockscreenWhenOn might have changed
4757        updateLockScreenTimeout();
4758        return changes;
4759    }
4760
4761    /**
4762     * Updates the occluded state of the Keyguard.
4763     *
4764     * @return Whether the flags have changed and we have to redo the layout.
4765     */
4766    private boolean setKeyguardOccludedLw(boolean isOccluded) {
4767        boolean wasOccluded = mKeyguardOccluded;
4768        boolean showing = mKeyguardDelegate.isShowing();
4769        if (wasOccluded && !isOccluded && showing) {
4770            mKeyguardOccluded = false;
4771            mKeyguardDelegate.setOccluded(false);
4772            mStatusBar.getAttrs().privateFlags |= PRIVATE_FLAG_KEYGUARD;
4773            mStatusBar.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
4774            return true;
4775        } else if (!wasOccluded && isOccluded && showing) {
4776            mKeyguardOccluded = true;
4777            mKeyguardDelegate.setOccluded(true);
4778            mStatusBar.getAttrs().privateFlags &= ~PRIVATE_FLAG_KEYGUARD;
4779            mStatusBar.getAttrs().flags &= ~FLAG_SHOW_WALLPAPER;
4780            return true;
4781        } else {
4782            return false;
4783        }
4784    }
4785
4786    private boolean isStatusBarKeyguard() {
4787        return mStatusBar != null
4788                && (mStatusBar.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
4789    }
4790
4791    @Override
4792    public boolean allowAppAnimationsLw() {
4793        if (isStatusBarKeyguard() || mShowingDream) {
4794            // If keyguard or dreams is currently visible, no reason to animate behind it.
4795            return false;
4796        }
4797        return true;
4798    }
4799
4800    @Override
4801    public int focusChangedLw(WindowState lastFocus, WindowState newFocus) {
4802        mFocusedWindow = newFocus;
4803        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
4804            // If the navigation bar has been hidden or shown, we need to do another
4805            // layout pass to update that window.
4806            return FINISH_LAYOUT_REDO_LAYOUT;
4807        }
4808        return 0;
4809    }
4810
4811    /** {@inheritDoc} */
4812    @Override
4813    public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
4814        // lid changed state
4815        final int newLidState = lidOpen ? LID_OPEN : LID_CLOSED;
4816        if (newLidState == mLidState) {
4817            return;
4818        }
4819
4820        mLidState = newLidState;
4821        applyLidSwitchState();
4822        updateRotation(true);
4823
4824        if (lidOpen) {
4825            wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromLidSwitch,
4826                    "android.policy:LID");
4827        } else if (!mLidControlsSleep) {
4828            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
4829        }
4830    }
4831
4832    @Override
4833    public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) {
4834        int lensCoverState = lensCovered ? CAMERA_LENS_COVERED : CAMERA_LENS_UNCOVERED;
4835        if (mCameraLensCoverState == lensCoverState) {
4836            return;
4837        }
4838        if (mCameraLensCoverState == CAMERA_LENS_COVERED &&
4839                lensCoverState == CAMERA_LENS_UNCOVERED) {
4840            Intent intent;
4841            final boolean keyguardActive = mKeyguardDelegate == null ? false :
4842                    mKeyguardDelegate.isShowing();
4843            if (keyguardActive) {
4844                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);
4845            } else {
4846                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
4847            }
4848            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromCameraLens,
4849                    "android.policy:CAMERA_COVER");
4850            startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
4851        }
4852        mCameraLensCoverState = lensCoverState;
4853    }
4854
4855    void setHdmiPlugged(boolean plugged) {
4856        if (mHdmiPlugged != plugged) {
4857            mHdmiPlugged = plugged;
4858            updateRotation(true, true);
4859            Intent intent = new Intent(ACTION_HDMI_PLUGGED);
4860            intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
4861            intent.putExtra(EXTRA_HDMI_PLUGGED_STATE, plugged);
4862            mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
4863        }
4864    }
4865
4866    void initializeHdmiState() {
4867        boolean plugged = false;
4868        // watch for HDMI plug messages if the hdmi switch exists
4869        if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
4870            mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
4871
4872            final String filename = "/sys/class/switch/hdmi/state";
4873            FileReader reader = null;
4874            try {
4875                reader = new FileReader(filename);
4876                char[] buf = new char[15];
4877                int n = reader.read(buf);
4878                if (n > 1) {
4879                    plugged = 0 != Integer.parseInt(new String(buf, 0, n-1));
4880                }
4881            } catch (IOException ex) {
4882                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
4883            } catch (NumberFormatException ex) {
4884                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
4885            } finally {
4886                if (reader != null) {
4887                    try {
4888                        reader.close();
4889                    } catch (IOException ex) {
4890                    }
4891                }
4892            }
4893        }
4894        // This dance forces the code in setHdmiPlugged to run.
4895        // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
4896        mHdmiPlugged = !plugged;
4897        setHdmiPlugged(!mHdmiPlugged);
4898    }
4899
4900    final Object mScreenshotLock = new Object();
4901    ServiceConnection mScreenshotConnection = null;
4902
4903    final Runnable mScreenshotTimeout = new Runnable() {
4904        @Override public void run() {
4905            synchronized (mScreenshotLock) {
4906                if (mScreenshotConnection != null) {
4907                    mContext.unbindService(mScreenshotConnection);
4908                    mScreenshotConnection = null;
4909                }
4910            }
4911        }
4912    };
4913
4914    // Assume this is called from the Handler thread.
4915    private void takeScreenshot() {
4916        synchronized (mScreenshotLock) {
4917            if (mScreenshotConnection != null) {
4918                return;
4919            }
4920            ComponentName cn = new ComponentName("com.android.systemui",
4921                    "com.android.systemui.screenshot.TakeScreenshotService");
4922            Intent intent = new Intent();
4923            intent.setComponent(cn);
4924            ServiceConnection conn = new ServiceConnection() {
4925                @Override
4926                public void onServiceConnected(ComponentName name, IBinder service) {
4927                    synchronized (mScreenshotLock) {
4928                        if (mScreenshotConnection != this) {
4929                            return;
4930                        }
4931                        Messenger messenger = new Messenger(service);
4932                        Message msg = Message.obtain(null, 1);
4933                        final ServiceConnection myConn = this;
4934                        Handler h = new Handler(mHandler.getLooper()) {
4935                            @Override
4936                            public void handleMessage(Message msg) {
4937                                synchronized (mScreenshotLock) {
4938                                    if (mScreenshotConnection == myConn) {
4939                                        mContext.unbindService(mScreenshotConnection);
4940                                        mScreenshotConnection = null;
4941                                        mHandler.removeCallbacks(mScreenshotTimeout);
4942                                    }
4943                                }
4944                            }
4945                        };
4946                        msg.replyTo = new Messenger(h);
4947                        msg.arg1 = msg.arg2 = 0;
4948                        if (mStatusBar != null && mStatusBar.isVisibleLw())
4949                            msg.arg1 = 1;
4950                        if (mNavigationBar != null && mNavigationBar.isVisibleLw())
4951                            msg.arg2 = 1;
4952                        try {
4953                            messenger.send(msg);
4954                        } catch (RemoteException e) {
4955                        }
4956                    }
4957                }
4958                @Override
4959                public void onServiceDisconnected(ComponentName name) {}
4960            };
4961            if (mContext.bindServiceAsUser(
4962                    intent, conn, Context.BIND_AUTO_CREATE, UserHandle.CURRENT)) {
4963                mScreenshotConnection = conn;
4964                mHandler.postDelayed(mScreenshotTimeout, 10000);
4965            }
4966        }
4967    }
4968
4969    /** {@inheritDoc} */
4970    @Override
4971    public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) {
4972        if (!mSystemBooted) {
4973            // If we have not yet booted, don't let key events do anything.
4974            return 0;
4975        }
4976
4977        final boolean interactive = (policyFlags & FLAG_INTERACTIVE) != 0;
4978        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
4979        final boolean canceled = event.isCanceled();
4980        final int keyCode = event.getKeyCode();
4981
4982        final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;
4983
4984        // If screen is off then we treat the case where the keyguard is open but hidden
4985        // the same as if it were open and in front.
4986        // This will prevent any keys other than the power button from waking the screen
4987        // when the keyguard is hidden by another activity.
4988        final boolean keyguardActive = (mKeyguardDelegate == null ? false :
4989                                            (interactive ?
4990                                                isKeyguardShowingAndNotOccluded() :
4991                                                mKeyguardDelegate.isShowing()));
4992
4993        if (DEBUG_INPUT) {
4994            Log.d(TAG, "interceptKeyTq keycode=" + keyCode
4995                    + " interactive=" + interactive + " keyguardActive=" + keyguardActive
4996                    + " policyFlags=" + Integer.toHexString(policyFlags));
4997        }
4998
4999        // Basic policy based on interactive state.
5000        int result;
5001        boolean isWakeKey = (policyFlags & WindowManagerPolicy.FLAG_WAKE) != 0
5002                || event.isWakeKey();
5003        if (interactive || (isInjected && !isWakeKey)) {
5004            // When the device is interactive or the key is injected pass the
5005            // key to the application.
5006            result = ACTION_PASS_TO_USER;
5007            isWakeKey = false;
5008        } else if (!interactive && shouldDispatchInputWhenNonInteractive()) {
5009            // If we're currently dozing with the screen on and the keyguard showing, pass the key
5010            // to the application but preserve its wake key status to make sure we still move
5011            // from dozing to fully interactive if we would normally go from off to fully
5012            // interactive.
5013            result = ACTION_PASS_TO_USER;
5014        } else {
5015            // When the screen is off and the key is not injected, determine whether
5016            // to wake the device but don't pass the key to the application.
5017            result = 0;
5018            if (isWakeKey && (!down || !isWakeKeyWhenScreenOff(keyCode))) {
5019                isWakeKey = false;
5020            }
5021        }
5022
5023        // If the key would be handled globally, just return the result, don't worry about special
5024        // key processing.
5025        if (isValidGlobalKey(keyCode)
5026                && mGlobalKeyManager.shouldHandleGlobalKey(keyCode, event)) {
5027            if (isWakeKey) {
5028                wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5029            }
5030            return result;
5031        }
5032
5033        boolean useHapticFeedback = down
5034                && (policyFlags & WindowManagerPolicy.FLAG_VIRTUAL) != 0
5035                && event.getRepeatCount() == 0;
5036
5037        // Handle special keys.
5038        switch (keyCode) {
5039            case KeyEvent.KEYCODE_VOLUME_DOWN:
5040            case KeyEvent.KEYCODE_VOLUME_UP:
5041            case KeyEvent.KEYCODE_VOLUME_MUTE: {
5042                if (mUseTvRouting) {
5043                    // On TVs volume keys never go to the foreground app
5044                    result &= ~ACTION_PASS_TO_USER;
5045                }
5046                if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
5047                    if (down) {
5048                        if (interactive && !mScreenshotChordVolumeDownKeyTriggered
5049                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5050                            mScreenshotChordVolumeDownKeyTriggered = true;
5051                            mScreenshotChordVolumeDownKeyTime = event.getDownTime();
5052                            mScreenshotChordVolumeDownKeyConsumed = false;
5053                            cancelPendingPowerKeyAction();
5054                            interceptScreenshotChord();
5055                        }
5056                    } else {
5057                        mScreenshotChordVolumeDownKeyTriggered = false;
5058                        cancelPendingScreenshotChordAction();
5059                    }
5060                } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
5061                    if (down) {
5062                        if (interactive && !mScreenshotChordVolumeUpKeyTriggered
5063                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5064                            mScreenshotChordVolumeUpKeyTriggered = true;
5065                            cancelPendingPowerKeyAction();
5066                            cancelPendingScreenshotChordAction();
5067                        }
5068                    } else {
5069                        mScreenshotChordVolumeUpKeyTriggered = false;
5070                        cancelPendingScreenshotChordAction();
5071                    }
5072                }
5073                if (down) {
5074                    TelecomManager telecomManager = getTelecommService();
5075                    if (telecomManager != null) {
5076                        if (telecomManager.isRinging()) {
5077                            // If an incoming call is ringing, either VOLUME key means
5078                            // "silence ringer".  We handle these keys here, rather than
5079                            // in the InCallScreen, to make sure we'll respond to them
5080                            // even if the InCallScreen hasn't come to the foreground yet.
5081                            // Look for the DOWN event here, to agree with the "fallback"
5082                            // behavior in the InCallScreen.
5083                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5084                                  + " VOLUME key-down while ringing: Silence ringer!");
5085
5086                            // Silence the ringer.  (It's safe to call this
5087                            // even if the ringer has already been silenced.)
5088                            telecomManager.silenceRinger();
5089
5090                            // And *don't* pass this key thru to the current activity
5091                            // (which is probably the InCallScreen.)
5092                            result &= ~ACTION_PASS_TO_USER;
5093                            break;
5094                        }
5095                        if (telecomManager.isInCall()
5096                                && (result & ACTION_PASS_TO_USER) == 0) {
5097                            // If we are in call but we decided not to pass the key to
5098                            // the application, just pass it to the session service.
5099
5100                            MediaSessionLegacyHelper.getHelper(mContext)
5101                                    .sendVolumeKeyEvent(event, false);
5102                            break;
5103                        }
5104                    }
5105
5106                    if ((result & ACTION_PASS_TO_USER) == 0) {
5107                        if (mUseTvRouting) {
5108                            dispatchDirectAudioEvent(event);
5109                        } else {
5110                            // If we aren't passing to the user and no one else
5111                            // handled it send it to the session manager to
5112                            // figure out.
5113                            MediaSessionLegacyHelper.getHelper(mContext)
5114                                    .sendVolumeKeyEvent(event, true);
5115                        }
5116                        break;
5117                    }
5118                }
5119                break;
5120            }
5121
5122            case KeyEvent.KEYCODE_ENDCALL: {
5123                result &= ~ACTION_PASS_TO_USER;
5124                if (down) {
5125                    TelecomManager telecomManager = getTelecommService();
5126                    boolean hungUp = false;
5127                    if (telecomManager != null) {
5128                        hungUp = telecomManager.endCall();
5129                    }
5130                    if (interactive && !hungUp) {
5131                        mEndCallKeyHandled = false;
5132                        mHandler.postDelayed(mEndCallLongPress,
5133                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
5134                    } else {
5135                        mEndCallKeyHandled = true;
5136                    }
5137                } else {
5138                    if (!mEndCallKeyHandled) {
5139                        mHandler.removeCallbacks(mEndCallLongPress);
5140                        if (!canceled) {
5141                            if ((mEndcallBehavior
5142                                    & Settings.System.END_BUTTON_BEHAVIOR_HOME) != 0) {
5143                                if (goHome()) {
5144                                    break;
5145                                }
5146                            }
5147                            if ((mEndcallBehavior
5148                                    & Settings.System.END_BUTTON_BEHAVIOR_SLEEP) != 0) {
5149                                mPowerManager.goToSleep(event.getEventTime(),
5150                                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
5151                                isWakeKey = false;
5152                            }
5153                        }
5154                    }
5155                }
5156                break;
5157            }
5158
5159            case KeyEvent.KEYCODE_POWER: {
5160                result &= ~ACTION_PASS_TO_USER;
5161                isWakeKey = false; // wake-up will be handled separately
5162                if (down) {
5163                    interceptPowerKeyDown(event, interactive);
5164                } else {
5165                    interceptPowerKeyUp(event, interactive, canceled);
5166                }
5167                break;
5168            }
5169
5170            case KeyEvent.KEYCODE_SLEEP: {
5171                result &= ~ACTION_PASS_TO_USER;
5172                isWakeKey = false;
5173                if (!mPowerManager.isInteractive()) {
5174                    useHapticFeedback = false; // suppress feedback if already non-interactive
5175                }
5176                if (down) {
5177                    sleepPress(event.getEventTime());
5178                } else {
5179                    sleepRelease(event.getEventTime());
5180                }
5181                break;
5182            }
5183
5184            case KeyEvent.KEYCODE_SOFT_SLEEP: {
5185                result &= ~ACTION_PASS_TO_USER;
5186                isWakeKey = false;
5187                if (!down) {
5188                    mPowerManagerInternal.setUserInactiveOverrideFromWindowManager();
5189                }
5190                break;
5191            }
5192
5193            case KeyEvent.KEYCODE_WAKEUP: {
5194                result &= ~ACTION_PASS_TO_USER;
5195                isWakeKey = true;
5196                break;
5197            }
5198
5199            case KeyEvent.KEYCODE_MEDIA_PLAY:
5200            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5201            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5202            case KeyEvent.KEYCODE_HEADSETHOOK:
5203            case KeyEvent.KEYCODE_MUTE:
5204            case KeyEvent.KEYCODE_MEDIA_STOP:
5205            case KeyEvent.KEYCODE_MEDIA_NEXT:
5206            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5207            case KeyEvent.KEYCODE_MEDIA_REWIND:
5208            case KeyEvent.KEYCODE_MEDIA_RECORD:
5209            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5210            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: {
5211                if (MediaSessionLegacyHelper.getHelper(mContext).isGlobalPriorityActive()) {
5212                    // If the global session is active pass all media keys to it
5213                    // instead of the active window.
5214                    result &= ~ACTION_PASS_TO_USER;
5215                }
5216                if ((result & ACTION_PASS_TO_USER) == 0) {
5217                    // Only do this if we would otherwise not pass it to the user. In that
5218                    // case, the PhoneWindow class will do the same thing, except it will
5219                    // only do it if the showing app doesn't process the key on its own.
5220                    // Note that we need to make a copy of the key event here because the
5221                    // original key event will be recycled when we return.
5222                    mBroadcastWakeLock.acquire();
5223                    Message msg = mHandler.obtainMessage(MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK,
5224                            new KeyEvent(event));
5225                    msg.setAsynchronous(true);
5226                    msg.sendToTarget();
5227                }
5228                break;
5229            }
5230
5231            case KeyEvent.KEYCODE_CALL: {
5232                if (down) {
5233                    TelecomManager telecomManager = getTelecommService();
5234                    if (telecomManager != null) {
5235                        if (telecomManager.isRinging()) {
5236                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5237                                  + " CALL key-down while ringing: Answer the call!");
5238                            telecomManager.acceptRingingCall();
5239
5240                            // And *don't* pass this key thru to the current activity
5241                            // (which is presumably the InCallScreen.)
5242                            result &= ~ACTION_PASS_TO_USER;
5243                        }
5244                    }
5245                }
5246                break;
5247            }
5248            case KeyEvent.KEYCODE_VOICE_ASSIST: {
5249                // Only do this if we would otherwise not pass it to the user. In that case,
5250                // interceptKeyBeforeDispatching would apply a similar but different policy in
5251                // order to invoke voice assist actions. Note that we need to make a copy of the
5252                // key event here because the original key event will be recycled when we return.
5253                if ((result & ACTION_PASS_TO_USER) == 0 && !down) {
5254                    mBroadcastWakeLock.acquire();
5255                    Message msg = mHandler.obtainMessage(MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK,
5256                            keyguardActive ? 1 : 0, 0);
5257                    msg.setAsynchronous(true);
5258                    msg.sendToTarget();
5259                }
5260            }
5261        }
5262
5263        if (useHapticFeedback) {
5264            performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
5265        }
5266
5267        if (isWakeKey) {
5268            wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5269        }
5270
5271        return result;
5272    }
5273
5274    /**
5275     * Returns true if the key can have global actions attached to it.
5276     * We reserve all power management keys for the system since they require
5277     * very careful handling.
5278     */
5279    private static boolean isValidGlobalKey(int keyCode) {
5280        switch (keyCode) {
5281            case KeyEvent.KEYCODE_POWER:
5282            case KeyEvent.KEYCODE_WAKEUP:
5283            case KeyEvent.KEYCODE_SLEEP:
5284                return false;
5285            default:
5286                return true;
5287        }
5288    }
5289
5290    /**
5291     * When the screen is off we ignore some keys that might otherwise typically
5292     * be considered wake keys.  We filter them out here.
5293     *
5294     * {@link KeyEvent#KEYCODE_POWER} is notably absent from this list because it
5295     * is always considered a wake key.
5296     */
5297    private boolean isWakeKeyWhenScreenOff(int keyCode) {
5298        switch (keyCode) {
5299            // ignore volume keys unless docked
5300            case KeyEvent.KEYCODE_VOLUME_UP:
5301            case KeyEvent.KEYCODE_VOLUME_DOWN:
5302            case KeyEvent.KEYCODE_VOLUME_MUTE:
5303                return mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;
5304
5305            // ignore media and camera keys
5306            case KeyEvent.KEYCODE_MUTE:
5307            case KeyEvent.KEYCODE_HEADSETHOOK:
5308            case KeyEvent.KEYCODE_MEDIA_PLAY:
5309            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5310            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5311            case KeyEvent.KEYCODE_MEDIA_STOP:
5312            case KeyEvent.KEYCODE_MEDIA_NEXT:
5313            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5314            case KeyEvent.KEYCODE_MEDIA_REWIND:
5315            case KeyEvent.KEYCODE_MEDIA_RECORD:
5316            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5317            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK:
5318            case KeyEvent.KEYCODE_CAMERA:
5319                return false;
5320        }
5321        return true;
5322    }
5323
5324
5325    /** {@inheritDoc} */
5326    @Override
5327    public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) {
5328        if ((policyFlags & FLAG_WAKE) != 0) {
5329            if (wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotion,
5330                    "android.policy:MOTION")) {
5331                return 0;
5332            }
5333        }
5334
5335        if (shouldDispatchInputWhenNonInteractive()) {
5336            return ACTION_PASS_TO_USER;
5337        }
5338
5339        // If we have not passed the action up and we are in theater mode without dreaming,
5340        // there will be no dream to intercept the touch and wake into ambient.  The device should
5341        // wake up in this case.
5342        if (isTheaterModeEnabled() && (policyFlags & FLAG_WAKE) != 0) {
5343            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotionWhenNotDreaming,
5344                    "android.policy:MOTION");
5345        }
5346
5347        return 0;
5348    }
5349
5350    private boolean shouldDispatchInputWhenNonInteractive() {
5351        // Send events to keyguard while the screen is on.
5352        if (isKeyguardShowingAndNotOccluded() && mDisplay != null
5353                && mDisplay.getState() != Display.STATE_OFF) {
5354            return true;
5355        }
5356
5357        // Send events to a dozing dream even if the screen is off since the dream
5358        // is in control of the state of the screen.
5359        IDreamManager dreamManager = getDreamManager();
5360
5361        try {
5362            if (dreamManager != null && dreamManager.isDreaming()) {
5363                return true;
5364            }
5365        } catch (RemoteException e) {
5366            Slog.e(TAG, "RemoteException when checking if dreaming", e);
5367        }
5368
5369        // Otherwise, consume events since the user can't see what is being
5370        // interacted with.
5371        return false;
5372    }
5373
5374    private void dispatchDirectAudioEvent(KeyEvent event) {
5375        if (event.getAction() != KeyEvent.ACTION_DOWN) {
5376            return;
5377        }
5378        int keyCode = event.getKeyCode();
5379        int flags = AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_PLAY_SOUND
5380                | AudioManager.FLAG_FROM_KEY;
5381        String pkgName = mContext.getOpPackageName();
5382        switch (keyCode) {
5383            case KeyEvent.KEYCODE_VOLUME_UP:
5384                try {
5385                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_RAISE,
5386                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
5387                } catch (RemoteException e) {
5388                    Log.e(TAG, "Error dispatching volume up in dispatchTvAudioEvent.", e);
5389                }
5390                break;
5391            case KeyEvent.KEYCODE_VOLUME_DOWN:
5392                try {
5393                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_LOWER,
5394                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
5395                } catch (RemoteException e) {
5396                    Log.e(TAG, "Error dispatching volume down in dispatchTvAudioEvent.", e);
5397                }
5398                break;
5399            case KeyEvent.KEYCODE_VOLUME_MUTE:
5400                try {
5401                    if (event.getRepeatCount() == 0) {
5402                        getAudioService().adjustSuggestedStreamVolume(
5403                                AudioManager.ADJUST_TOGGLE_MUTE,
5404                                AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
5405                    }
5406                } catch (RemoteException e) {
5407                    Log.e(TAG, "Error dispatching mute in dispatchTvAudioEvent.", e);
5408                }
5409                break;
5410        }
5411    }
5412
5413    void dispatchMediaKeyWithWakeLock(KeyEvent event) {
5414        if (DEBUG_INPUT) {
5415            Slog.d(TAG, "dispatchMediaKeyWithWakeLock: " + event);
5416        }
5417
5418        if (mHavePendingMediaKeyRepeatWithWakeLock) {
5419            if (DEBUG_INPUT) {
5420                Slog.d(TAG, "dispatchMediaKeyWithWakeLock: canceled repeat");
5421            }
5422
5423            mHandler.removeMessages(MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK);
5424            mHavePendingMediaKeyRepeatWithWakeLock = false;
5425            mBroadcastWakeLock.release(); // pending repeat was holding onto the wake lock
5426        }
5427
5428        dispatchMediaKeyWithWakeLockToAudioService(event);
5429
5430        if (event.getAction() == KeyEvent.ACTION_DOWN
5431                && event.getRepeatCount() == 0) {
5432            mHavePendingMediaKeyRepeatWithWakeLock = true;
5433
5434            Message msg = mHandler.obtainMessage(
5435                    MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK, event);
5436            msg.setAsynchronous(true);
5437            mHandler.sendMessageDelayed(msg, ViewConfiguration.getKeyRepeatTimeout());
5438        } else {
5439            mBroadcastWakeLock.release();
5440        }
5441    }
5442
5443    void dispatchMediaKeyRepeatWithWakeLock(KeyEvent event) {
5444        mHavePendingMediaKeyRepeatWithWakeLock = false;
5445
5446        KeyEvent repeatEvent = KeyEvent.changeTimeRepeat(event,
5447                SystemClock.uptimeMillis(), 1, event.getFlags() | KeyEvent.FLAG_LONG_PRESS);
5448        if (DEBUG_INPUT) {
5449            Slog.d(TAG, "dispatchMediaKeyRepeatWithWakeLock: " + repeatEvent);
5450        }
5451
5452        dispatchMediaKeyWithWakeLockToAudioService(repeatEvent);
5453        mBroadcastWakeLock.release();
5454    }
5455
5456    void dispatchMediaKeyWithWakeLockToAudioService(KeyEvent event) {
5457        if (ActivityManagerNative.isSystemReady()) {
5458            MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(event, true);
5459        }
5460    }
5461
5462    void launchVoiceAssistWithWakeLock(boolean keyguardActive) {
5463        IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
5464                ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
5465        if (dic != null) {
5466            try {
5467                dic.exitIdle("voice-search");
5468            } catch (RemoteException e) {
5469            }
5470        }
5471        Intent voiceIntent =
5472            new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
5473        voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, keyguardActive);
5474        startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
5475        mBroadcastWakeLock.release();
5476    }
5477
5478    BroadcastReceiver mDockReceiver = new BroadcastReceiver() {
5479        @Override
5480        public void onReceive(Context context, Intent intent) {
5481            if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
5482                mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
5483                        Intent.EXTRA_DOCK_STATE_UNDOCKED);
5484            } else {
5485                try {
5486                    IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
5487                            ServiceManager.getService(Context.UI_MODE_SERVICE));
5488                    mUiMode = uiModeService.getCurrentModeType();
5489                } catch (RemoteException e) {
5490                }
5491            }
5492            updateRotation(true);
5493            synchronized (mLock) {
5494                updateOrientationListenerLp();
5495            }
5496        }
5497    };
5498
5499    BroadcastReceiver mDreamReceiver = new BroadcastReceiver() {
5500        @Override
5501        public void onReceive(Context context, Intent intent) {
5502            if (Intent.ACTION_DREAMING_STARTED.equals(intent.getAction())) {
5503                if (mKeyguardDelegate != null) {
5504                    mKeyguardDelegate.onDreamingStarted();
5505                }
5506            } else if (Intent.ACTION_DREAMING_STOPPED.equals(intent.getAction())) {
5507                if (mKeyguardDelegate != null) {
5508                    mKeyguardDelegate.onDreamingStopped();
5509                }
5510            }
5511        }
5512    };
5513
5514    BroadcastReceiver mMultiuserReceiver = new BroadcastReceiver() {
5515        @Override
5516        public void onReceive(Context context, Intent intent) {
5517            if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) {
5518                // tickle the settings observer: this first ensures that we're
5519                // observing the relevant settings for the newly-active user,
5520                // and then updates our own bookkeeping based on the now-
5521                // current user.
5522                mSettingsObserver.onChange(false);
5523
5524                // force a re-application of focused window sysui visibility.
5525                // the window may never have been shown for this user
5526                // e.g. the keyguard when going through the new-user setup flow
5527                synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5528                    mLastSystemUiFlags = 0;
5529                    updateSystemUiVisibilityLw();
5530                }
5531            }
5532        }
5533    };
5534
5535    private final Runnable mHiddenNavPanic = new Runnable() {
5536        @Override
5537        public void run() {
5538            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5539                if (!isUserSetupComplete()) {
5540                    // Swipe-up for navigation bar is disabled during setup
5541                    return;
5542                }
5543                mPendingPanicGestureUptime = SystemClock.uptimeMillis();
5544                mNavigationBarController.showTransient();
5545            }
5546        }
5547    };
5548
5549    private void requestTransientBars(WindowState swipeTarget) {
5550        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5551            if (!isUserSetupComplete()) {
5552                // Swipe-up for navigation bar is disabled during setup
5553                return;
5554            }
5555            boolean sb = mStatusBarController.checkShowTransientBarLw();
5556            boolean nb = mNavigationBarController.checkShowTransientBarLw();
5557            if (sb || nb) {
5558                // Don't show status bar when swiping on already visible navigation bar
5559                if (!nb && swipeTarget == mNavigationBar) {
5560                    if (DEBUG) Slog.d(TAG, "Not showing transient bar, wrong swipe target");
5561                    return;
5562                }
5563                if (sb) mStatusBarController.showTransient();
5564                if (nb) mNavigationBarController.showTransient();
5565                mImmersiveModeConfirmation.confirmCurrentPrompt();
5566                updateSystemUiVisibilityLw();
5567            }
5568        }
5569    }
5570
5571    // Called on the PowerManager's Notifier thread.
5572    @Override
5573    public void startedGoingToSleep(int why) {
5574        if (DEBUG_WAKEUP) Slog.i(TAG, "Started going to sleep... (why=" + why + ")");
5575        if (mKeyguardDelegate != null) {
5576            mKeyguardDelegate.onStartedGoingToSleep(why);
5577        }
5578    }
5579
5580    // Called on the PowerManager's Notifier thread.
5581    @Override
5582    public void finishedGoingToSleep(int why) {
5583        EventLog.writeEvent(70000, 0);
5584        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished going to sleep... (why=" + why + ")");
5585        MetricsLogger.histogram(mContext, "screen_timeout", mLockScreenTimeout / 1000);
5586
5587        // We must get this work done here because the power manager will drop
5588        // the wake lock and let the system suspend once this function returns.
5589        synchronized (mLock) {
5590            mAwake = false;
5591            updateWakeGestureListenerLp();
5592            updateOrientationListenerLp();
5593            updateLockScreenTimeout();
5594        }
5595        if (mKeyguardDelegate != null) {
5596            mKeyguardDelegate.onFinishedGoingToSleep(why);
5597        }
5598    }
5599
5600    // Called on the PowerManager's Notifier thread.
5601    @Override
5602    public void startedWakingUp() {
5603        EventLog.writeEvent(70000, 1);
5604        if (DEBUG_WAKEUP) Slog.i(TAG, "Started waking up...");
5605
5606        // Since goToSleep performs these functions synchronously, we must
5607        // do the same here.  We cannot post this work to a handler because
5608        // that might cause it to become reordered with respect to what
5609        // may happen in a future call to goToSleep.
5610        synchronized (mLock) {
5611            mAwake = true;
5612
5613            updateWakeGestureListenerLp();
5614            updateOrientationListenerLp();
5615            updateLockScreenTimeout();
5616        }
5617
5618        if (mKeyguardDelegate != null) {
5619            mKeyguardDelegate.onStartedWakingUp();
5620        }
5621    }
5622
5623    // Called on the PowerManager's Notifier thread.
5624    @Override
5625    public void finishedWakingUp() {
5626        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished waking up...");
5627    }
5628
5629    private void wakeUpFromPowerKey(long eventTime) {
5630        wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey, "android.policy:POWER");
5631    }
5632
5633    private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode, String reason) {
5634        final boolean theaterModeEnabled = isTheaterModeEnabled();
5635        if (!wakeInTheaterMode && theaterModeEnabled) {
5636            return false;
5637        }
5638
5639        if (theaterModeEnabled) {
5640            Settings.Global.putInt(mContext.getContentResolver(),
5641                    Settings.Global.THEATER_MODE_ON, 0);
5642        }
5643
5644        mPowerManager.wakeUp(wakeTime, reason);
5645        return true;
5646    }
5647
5648    private void finishKeyguardDrawn() {
5649        synchronized (mLock) {
5650            if (!mScreenOnEarly || mKeyguardDrawComplete) {
5651                return; // We are not awake yet or we have already informed of this event.
5652            }
5653
5654            mKeyguardDrawComplete = true;
5655            if (mKeyguardDelegate != null) {
5656                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
5657            }
5658            mWindowManagerDrawComplete = false;
5659        }
5660
5661        // ... eventually calls finishWindowsDrawn which will finalize our screen turn on
5662        // as well as enabling the orientation change logic/sensor.
5663        mWindowManagerInternal.waitForAllWindowsDrawn(mWindowManagerDrawCallback,
5664                WAITING_FOR_DRAWN_TIMEOUT);
5665    }
5666
5667    // Called on the DisplayManager's DisplayPowerController thread.
5668    @Override
5669    public void screenTurnedOff() {
5670        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turned off...");
5671
5672        updateScreenOffSleepToken(true);
5673        synchronized (mLock) {
5674            mScreenOnEarly = false;
5675            mScreenOnFully = false;
5676            mKeyguardDrawComplete = false;
5677            mWindowManagerDrawComplete = false;
5678            mScreenOnListener = null;
5679            updateOrientationListenerLp();
5680
5681            if (mKeyguardDelegate != null) {
5682                mKeyguardDelegate.onScreenTurnedOff();
5683            }
5684        }
5685    }
5686
5687    // Called on the DisplayManager's DisplayPowerController thread.
5688    @Override
5689    public void screenTurningOn(final ScreenOnListener screenOnListener) {
5690        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turning on...");
5691
5692        updateScreenOffSleepToken(false);
5693        synchronized (mLock) {
5694            mScreenOnEarly = true;
5695            mScreenOnFully = false;
5696            mKeyguardDrawComplete = false;
5697            mWindowManagerDrawComplete = false;
5698            mScreenOnListener = screenOnListener;
5699
5700            if (mKeyguardDelegate != null) {
5701                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
5702                mHandler.sendEmptyMessageDelayed(MSG_KEYGUARD_DRAWN_TIMEOUT, 1000);
5703                mKeyguardDelegate.onScreenTurningOn(mKeyguardDrawnCallback);
5704            } else {
5705                if (DEBUG_WAKEUP) Slog.d(TAG,
5706                        "null mKeyguardDelegate: setting mKeyguardDrawComplete.");
5707                finishKeyguardDrawn();
5708            }
5709        }
5710    }
5711
5712    // Called on the DisplayManager's DisplayPowerController thread.
5713    @Override
5714    public void screenTurnedOn() {
5715        synchronized (mLock) {
5716            if (mKeyguardDelegate != null) {
5717                mKeyguardDelegate.onScreenTurnedOn();
5718            }
5719        }
5720    }
5721
5722    private void finishWindowsDrawn() {
5723        synchronized (mLock) {
5724            if (!mScreenOnEarly || mWindowManagerDrawComplete) {
5725                return; // Screen is not turned on or we did already handle this case earlier.
5726            }
5727
5728            mWindowManagerDrawComplete = true;
5729        }
5730
5731        finishScreenTurningOn();
5732    }
5733
5734    private void finishScreenTurningOn() {
5735        synchronized (mLock) {
5736            // We have just finished drawing screen content. Since the orientation listener
5737            // gets only installed when all windows are drawn, we try to install it again.
5738            updateOrientationListenerLp();
5739        }
5740        final ScreenOnListener listener;
5741        final boolean enableScreen;
5742        synchronized (mLock) {
5743            if (DEBUG_WAKEUP) Slog.d(TAG,
5744                    "finishScreenTurningOn: mAwake=" + mAwake
5745                            + ", mScreenOnEarly=" + mScreenOnEarly
5746                            + ", mScreenOnFully=" + mScreenOnFully
5747                            + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
5748                            + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
5749
5750            if (mScreenOnFully || !mScreenOnEarly || !mWindowManagerDrawComplete
5751                    || (mAwake && !mKeyguardDrawComplete)) {
5752                return; // spurious or not ready yet
5753            }
5754
5755            if (DEBUG_WAKEUP) Slog.i(TAG, "Finished screen turning on...");
5756            listener = mScreenOnListener;
5757            mScreenOnListener = null;
5758            mScreenOnFully = true;
5759
5760            // Remember the first time we draw the keyguard so we know when we're done with
5761            // the main part of booting and can enable the screen and hide boot messages.
5762            if (!mKeyguardDrawnOnce && mAwake) {
5763                mKeyguardDrawnOnce = true;
5764                enableScreen = true;
5765                if (mBootMessageNeedsHiding) {
5766                    mBootMessageNeedsHiding = false;
5767                    hideBootMessages();
5768                }
5769            } else {
5770                enableScreen = false;
5771            }
5772        }
5773
5774        if (listener != null) {
5775            listener.onScreenOn();
5776        }
5777
5778        if (enableScreen) {
5779            try {
5780                mWindowManager.enableScreenIfNeeded();
5781            } catch (RemoteException unhandled) {
5782            }
5783        }
5784    }
5785
5786    private void handleHideBootMessage() {
5787        synchronized (mLock) {
5788            if (!mKeyguardDrawnOnce) {
5789                mBootMessageNeedsHiding = true;
5790                return; // keyguard hasn't drawn the first time yet, not done booting
5791            }
5792        }
5793
5794        if (mBootMsgDialog != null) {
5795            if (DEBUG_WAKEUP) Slog.d(TAG, "handleHideBootMessage: dismissing");
5796            mBootMsgDialog.dismiss();
5797            mBootMsgDialog = null;
5798        }
5799    }
5800
5801    @Override
5802    public boolean isScreenOn() {
5803        return mScreenOnFully;
5804    }
5805
5806    /** {@inheritDoc} */
5807    @Override
5808    public void enableKeyguard(boolean enabled) {
5809        if (mKeyguardDelegate != null) {
5810            mKeyguardDelegate.setKeyguardEnabled(enabled);
5811        }
5812    }
5813
5814    /** {@inheritDoc} */
5815    @Override
5816    public void exitKeyguardSecurely(OnKeyguardExitResult callback) {
5817        if (mKeyguardDelegate != null) {
5818            mKeyguardDelegate.verifyUnlock(callback);
5819        }
5820    }
5821
5822    private boolean isKeyguardShowingAndNotOccluded() {
5823        if (mKeyguardDelegate == null) return false;
5824        return mKeyguardDelegate.isShowing() && !mKeyguardOccluded;
5825    }
5826
5827    /** {@inheritDoc} */
5828    @Override
5829    public boolean isKeyguardLocked() {
5830        return keyguardOn();
5831    }
5832
5833    /** {@inheritDoc} */
5834    @Override
5835    public boolean isKeyguardSecure() {
5836        if (mKeyguardDelegate == null) return false;
5837        return mKeyguardDelegate.isSecure();
5838    }
5839
5840    /** {@inheritDoc} */
5841    @Override
5842    public boolean isKeyguardShowingOrOccluded() {
5843        return mKeyguardDelegate == null ? false : mKeyguardDelegate.isShowing();
5844    }
5845
5846    /** {@inheritDoc} */
5847    @Override
5848    public boolean inKeyguardRestrictedKeyInputMode() {
5849        if (mKeyguardDelegate == null) return false;
5850        return mKeyguardDelegate.isInputRestricted();
5851    }
5852
5853    @Override
5854    public void dismissKeyguardLw() {
5855        if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
5856            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.dismissKeyguardLw");
5857            mHandler.post(new Runnable() {
5858                @Override
5859                public void run() {
5860                    // ask the keyguard to prompt the user to authenticate if necessary
5861                    mKeyguardDelegate.dismiss();
5862                }
5863            });
5864        }
5865    }
5866
5867    public void notifyActivityDrawnForKeyguardLw() {
5868        if (mKeyguardDelegate != null) {
5869            mHandler.post(new Runnable() {
5870                @Override
5871                public void run() {
5872                    mKeyguardDelegate.onActivityDrawn();
5873                }
5874            });
5875        }
5876    }
5877
5878    @Override
5879    public boolean isKeyguardDrawnLw() {
5880        synchronized (mLock) {
5881            return mKeyguardDrawnOnce;
5882        }
5883    }
5884
5885    @Override
5886    public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
5887        if (mKeyguardDelegate != null) {
5888            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.startKeyguardExitAnimation");
5889            mKeyguardDelegate.startKeyguardExitAnimation(startTime, fadeoutDuration);
5890        }
5891    }
5892
5893    void sendCloseSystemWindows() {
5894        PhoneWindow.sendCloseSystemWindows(mContext, null);
5895    }
5896
5897    void sendCloseSystemWindows(String reason) {
5898        PhoneWindow.sendCloseSystemWindows(mContext, reason);
5899    }
5900
5901    @Override
5902    public int rotationForOrientationLw(int orientation, int lastRotation) {
5903        if (false) {
5904            Slog.v(TAG, "rotationForOrientationLw(orient="
5905                        + orientation + ", last=" + lastRotation
5906                        + "); user=" + mUserRotation + " "
5907                        + ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED)
5908                            ? "USER_ROTATION_LOCKED" : "")
5909                        );
5910        }
5911
5912        if (mForceDefaultOrientation) {
5913            return Surface.ROTATION_0;
5914        }
5915
5916        synchronized (mLock) {
5917            int sensorRotation = mOrientationListener.getProposedRotation(); // may be -1
5918            if (sensorRotation < 0) {
5919                sensorRotation = lastRotation;
5920            }
5921
5922            final int preferredRotation;
5923            if (mLidState == LID_OPEN && mLidOpenRotation >= 0) {
5924                // Ignore sensor when lid switch is open and rotation is forced.
5925                preferredRotation = mLidOpenRotation;
5926            } else if (mDockMode == Intent.EXTRA_DOCK_STATE_CAR
5927                    && (mCarDockEnablesAccelerometer || mCarDockRotation >= 0)) {
5928                // Ignore sensor when in car dock unless explicitly enabled.
5929                // This case can override the behavior of NOSENSOR, and can also
5930                // enable 180 degree rotation while docked.
5931                preferredRotation = mCarDockEnablesAccelerometer
5932                        ? sensorRotation : mCarDockRotation;
5933            } else if ((mDockMode == Intent.EXTRA_DOCK_STATE_DESK
5934                    || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
5935                    || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK)
5936                    && (mDeskDockEnablesAccelerometer || mDeskDockRotation >= 0)) {
5937                // Ignore sensor when in desk dock unless explicitly enabled.
5938                // This case can override the behavior of NOSENSOR, and can also
5939                // enable 180 degree rotation while docked.
5940                preferredRotation = mDeskDockEnablesAccelerometer
5941                        ? sensorRotation : mDeskDockRotation;
5942            } else if (mHdmiPlugged && mDemoHdmiRotationLock) {
5943                // Ignore sensor when plugged into HDMI when demo HDMI rotation lock enabled.
5944                // Note that the dock orientation overrides the HDMI orientation.
5945                preferredRotation = mDemoHdmiRotation;
5946            } else if (mHdmiPlugged && mDockMode == Intent.EXTRA_DOCK_STATE_UNDOCKED
5947                    && mUndockedHdmiRotation >= 0) {
5948                // Ignore sensor when plugged into HDMI and an undocked orientation has
5949                // been specified in the configuration (only for legacy devices without
5950                // full multi-display support).
5951                // Note that the dock orientation overrides the HDMI orientation.
5952                preferredRotation = mUndockedHdmiRotation;
5953            } else if (mDemoRotationLock) {
5954                // Ignore sensor when demo rotation lock is enabled.
5955                // Note that the dock orientation and HDMI rotation lock override this.
5956                preferredRotation = mDemoRotation;
5957            } else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {
5958                // Application just wants to remain locked in the last rotation.
5959                preferredRotation = lastRotation;
5960            } else if (!mSupportAutoRotation) {
5961                // If we don't support auto-rotation then bail out here and ignore
5962                // the sensor and any rotation lock settings.
5963                preferredRotation = -1;
5964            } else if ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE
5965                            && (orientation == ActivityInfo.SCREEN_ORIENTATION_USER
5966                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
5967                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
5968                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT
5969                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER))
5970                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
5971                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
5972                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE
5973                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) {
5974                // Otherwise, use sensor only if requested by the application or enabled
5975                // by default for USER or UNSPECIFIED modes.  Does not apply to NOSENSOR.
5976                if (mAllowAllRotations < 0) {
5977                    // Can't read this during init() because the context doesn't
5978                    // have display metrics at that time so we cannot determine
5979                    // tablet vs. phone then.
5980                    mAllowAllRotations = mContext.getResources().getBoolean(
5981                            com.android.internal.R.bool.config_allowAllRotations) ? 1 : 0;
5982                }
5983                if (sensorRotation != Surface.ROTATION_180
5984                        || mAllowAllRotations == 1
5985                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
5986                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER) {
5987                    preferredRotation = sensorRotation;
5988                } else {
5989                    preferredRotation = lastRotation;
5990                }
5991            } else if (mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED
5992                    && orientation != ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
5993                // Apply rotation lock.  Does not apply to NOSENSOR.
5994                // The idea is that the user rotation expresses a weak preference for the direction
5995                // of gravity and as NOSENSOR is never affected by gravity, then neither should
5996                // NOSENSOR be affected by rotation lock (although it will be affected by docks).
5997                preferredRotation = mUserRotation;
5998            } else {
5999                // No overriding preference.
6000                // We will do exactly what the application asked us to do.
6001                preferredRotation = -1;
6002            }
6003
6004            switch (orientation) {
6005                case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6006                    // Return portrait unless overridden.
6007                    if (isAnyPortrait(preferredRotation)) {
6008                        return preferredRotation;
6009                    }
6010                    return mPortraitRotation;
6011
6012                case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6013                    // Return landscape unless overridden.
6014                    if (isLandscapeOrSeascape(preferredRotation)) {
6015                        return preferredRotation;
6016                    }
6017                    return mLandscapeRotation;
6018
6019                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6020                    // Return reverse portrait unless overridden.
6021                    if (isAnyPortrait(preferredRotation)) {
6022                        return preferredRotation;
6023                    }
6024                    return mUpsideDownRotation;
6025
6026                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6027                    // Return seascape unless overridden.
6028                    if (isLandscapeOrSeascape(preferredRotation)) {
6029                        return preferredRotation;
6030                    }
6031                    return mSeascapeRotation;
6032
6033                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6034                case ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE:
6035                    // Return either landscape rotation.
6036                    if (isLandscapeOrSeascape(preferredRotation)) {
6037                        return preferredRotation;
6038                    }
6039                    if (isLandscapeOrSeascape(lastRotation)) {
6040                        return lastRotation;
6041                    }
6042                    return mLandscapeRotation;
6043
6044                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6045                case ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT:
6046                    // Return either portrait rotation.
6047                    if (isAnyPortrait(preferredRotation)) {
6048                        return preferredRotation;
6049                    }
6050                    if (isAnyPortrait(lastRotation)) {
6051                        return lastRotation;
6052                    }
6053                    return mPortraitRotation;
6054
6055                default:
6056                    // For USER, UNSPECIFIED, NOSENSOR, SENSOR and FULL_SENSOR,
6057                    // just return the preferred orientation we already calculated.
6058                    if (preferredRotation >= 0) {
6059                        return preferredRotation;
6060                    }
6061                    return Surface.ROTATION_0;
6062            }
6063        }
6064    }
6065
6066    @Override
6067    public boolean rotationHasCompatibleMetricsLw(int orientation, int rotation) {
6068        switch (orientation) {
6069            case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6070            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6071            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6072                return isAnyPortrait(rotation);
6073
6074            case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6075            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6076            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6077                return isLandscapeOrSeascape(rotation);
6078
6079            default:
6080                return true;
6081        }
6082    }
6083
6084    @Override
6085    public void setRotationLw(int rotation) {
6086        mOrientationListener.setCurrentRotation(rotation);
6087    }
6088
6089    private boolean isLandscapeOrSeascape(int rotation) {
6090        return rotation == mLandscapeRotation || rotation == mSeascapeRotation;
6091    }
6092
6093    private boolean isAnyPortrait(int rotation) {
6094        return rotation == mPortraitRotation || rotation == mUpsideDownRotation;
6095    }
6096
6097    @Override
6098    public int getUserRotationMode() {
6099        return Settings.System.getIntForUser(mContext.getContentResolver(),
6100                Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
6101                        WindowManagerPolicy.USER_ROTATION_FREE :
6102                                WindowManagerPolicy.USER_ROTATION_LOCKED;
6103    }
6104
6105    // User rotation: to be used when all else fails in assigning an orientation to the device
6106    @Override
6107    public void setUserRotationMode(int mode, int rot) {
6108        ContentResolver res = mContext.getContentResolver();
6109
6110        // mUserRotationMode and mUserRotation will be assigned by the content observer
6111        if (mode == WindowManagerPolicy.USER_ROTATION_LOCKED) {
6112            Settings.System.putIntForUser(res,
6113                    Settings.System.USER_ROTATION,
6114                    rot,
6115                    UserHandle.USER_CURRENT);
6116            Settings.System.putIntForUser(res,
6117                    Settings.System.ACCELEROMETER_ROTATION,
6118                    0,
6119                    UserHandle.USER_CURRENT);
6120        } else {
6121            Settings.System.putIntForUser(res,
6122                    Settings.System.ACCELEROMETER_ROTATION,
6123                    1,
6124                    UserHandle.USER_CURRENT);
6125        }
6126    }
6127
6128    @Override
6129    public void setSafeMode(boolean safeMode) {
6130        mSafeMode = safeMode;
6131        performHapticFeedbackLw(null, safeMode
6132                ? HapticFeedbackConstants.SAFE_MODE_ENABLED
6133                : HapticFeedbackConstants.SAFE_MODE_DISABLED, true);
6134    }
6135
6136    static long[] getLongIntArray(Resources r, int resid) {
6137        int[] ar = r.getIntArray(resid);
6138        if (ar == null) {
6139            return null;
6140        }
6141        long[] out = new long[ar.length];
6142        for (int i=0; i<ar.length; i++) {
6143            out[i] = ar[i];
6144        }
6145        return out;
6146    }
6147
6148    /** {@inheritDoc} */
6149    @Override
6150    public void systemReady() {
6151        mKeyguardDelegate = new KeyguardServiceDelegate(mContext);
6152        mKeyguardDelegate.onSystemReady();
6153
6154        readCameraLensCoverState();
6155        updateUiMode();
6156        boolean bindKeyguardNow;
6157        synchronized (mLock) {
6158            updateOrientationListenerLp();
6159            mSystemReady = true;
6160            mHandler.post(new Runnable() {
6161                @Override
6162                public void run() {
6163                    updateSettings();
6164                }
6165            });
6166
6167            bindKeyguardNow = mDeferBindKeyguard;
6168            if (bindKeyguardNow) {
6169                // systemBooted ran but wasn't able to bind to the Keyguard, we'll do it now.
6170                mDeferBindKeyguard = false;
6171            }
6172        }
6173
6174        if (bindKeyguardNow) {
6175            mKeyguardDelegate.bindService(mContext);
6176            mKeyguardDelegate.onBootCompleted();
6177        }
6178        mSystemGestures.systemReady();
6179    }
6180
6181    /** {@inheritDoc} */
6182    @Override
6183    public void systemBooted() {
6184        boolean bindKeyguardNow = false;
6185        synchronized (mLock) {
6186            // Time to bind Keyguard; take care to only bind it once, either here if ready or
6187            // in systemReady if not.
6188            if (mKeyguardDelegate != null) {
6189                bindKeyguardNow = true;
6190            } else {
6191                // Because mKeyguardDelegate is null, we know that the synchronized block in
6192                // systemReady didn't run yet and setting this will actually have an effect.
6193                mDeferBindKeyguard = true;
6194            }
6195        }
6196        if (bindKeyguardNow) {
6197            mKeyguardDelegate.bindService(mContext);
6198            mKeyguardDelegate.onBootCompleted();
6199        }
6200        synchronized (mLock) {
6201            mSystemBooted = true;
6202        }
6203        startedWakingUp();
6204        screenTurningOn(null);
6205        screenTurnedOn();
6206    }
6207
6208    ProgressDialog mBootMsgDialog = null;
6209
6210    /** {@inheritDoc} */
6211    @Override
6212    public void showBootMessage(final CharSequence msg, final boolean always) {
6213        mHandler.post(new Runnable() {
6214            @Override public void run() {
6215                if (mBootMsgDialog == null) {
6216                    int theme;
6217                    if (mContext.getPackageManager().hasSystemFeature(
6218                            PackageManager.FEATURE_WATCH)) {
6219                        theme = com.android.internal.R.style.Theme_Micro_Dialog_Alert;
6220                    } else if (mContext.getPackageManager().hasSystemFeature(
6221                            PackageManager.FEATURE_TELEVISION)) {
6222                        theme = com.android.internal.R.style.Theme_Leanback_Dialog_Alert;
6223                    } else {
6224                        theme = 0;
6225                    }
6226
6227                    mBootMsgDialog = new ProgressDialog(mContext, theme) {
6228                        // This dialog will consume all events coming in to
6229                        // it, to avoid it trying to do things too early in boot.
6230                        @Override public boolean dispatchKeyEvent(KeyEvent event) {
6231                            return true;
6232                        }
6233                        @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
6234                            return true;
6235                        }
6236                        @Override public boolean dispatchTouchEvent(MotionEvent ev) {
6237                            return true;
6238                        }
6239                        @Override public boolean dispatchTrackballEvent(MotionEvent ev) {
6240                            return true;
6241                        }
6242                        @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) {
6243                            return true;
6244                        }
6245                        @Override public boolean dispatchPopulateAccessibilityEvent(
6246                                AccessibilityEvent event) {
6247                            return true;
6248                        }
6249                    };
6250                    if (mContext.getPackageManager().isUpgrade()) {
6251                        mBootMsgDialog.setTitle(R.string.android_upgrading_title);
6252                    } else {
6253                        mBootMsgDialog.setTitle(R.string.android_start_title);
6254                    }
6255                    mBootMsgDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
6256                    mBootMsgDialog.setIndeterminate(true);
6257                    mBootMsgDialog.getWindow().setType(
6258                            WindowManager.LayoutParams.TYPE_BOOT_PROGRESS);
6259                    mBootMsgDialog.getWindow().addFlags(
6260                            WindowManager.LayoutParams.FLAG_DIM_BEHIND
6261                            | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
6262                    mBootMsgDialog.getWindow().setDimAmount(1);
6263                    WindowManager.LayoutParams lp = mBootMsgDialog.getWindow().getAttributes();
6264                    lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
6265                    mBootMsgDialog.getWindow().setAttributes(lp);
6266                    mBootMsgDialog.setCancelable(false);
6267                    mBootMsgDialog.show();
6268                }
6269                mBootMsgDialog.setMessage(msg);
6270            }
6271        });
6272    }
6273
6274    /** {@inheritDoc} */
6275    @Override
6276    public void hideBootMessages() {
6277        mHandler.sendEmptyMessage(MSG_HIDE_BOOT_MESSAGE);
6278    }
6279
6280    /** {@inheritDoc} */
6281    @Override
6282    public void userActivity() {
6283        // ***************************************
6284        // NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
6285        // ***************************************
6286        // THIS IS CALLED FROM DEEP IN THE POWER MANAGER
6287        // WITH ITS LOCKS HELD.
6288        //
6289        // This code must be VERY careful about the locks
6290        // it acquires.
6291        // In fact, the current code acquires way too many,
6292        // and probably has lurking deadlocks.
6293
6294        synchronized (mScreenLockTimeout) {
6295            if (mLockScreenTimerActive) {
6296                // reset the timer
6297                mHandler.removeCallbacks(mScreenLockTimeout);
6298                mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
6299            }
6300        }
6301    }
6302
6303    class ScreenLockTimeout implements Runnable {
6304        Bundle options;
6305
6306        @Override
6307        public void run() {
6308            synchronized (this) {
6309                if (localLOGV) Log.v(TAG, "mScreenLockTimeout activating keyguard");
6310                if (mKeyguardDelegate != null) {
6311                    mKeyguardDelegate.doKeyguardTimeout(options);
6312                }
6313                mLockScreenTimerActive = false;
6314                options = null;
6315            }
6316        }
6317
6318        public void setLockOptions(Bundle options) {
6319            this.options = options;
6320        }
6321    }
6322
6323    ScreenLockTimeout mScreenLockTimeout = new ScreenLockTimeout();
6324
6325    @Override
6326    public void lockNow(Bundle options) {
6327        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);
6328        mHandler.removeCallbacks(mScreenLockTimeout);
6329        if (options != null) {
6330            // In case multiple calls are made to lockNow, we don't wipe out the options
6331            // until the runnable actually executes.
6332            mScreenLockTimeout.setLockOptions(options);
6333        }
6334        mHandler.post(mScreenLockTimeout);
6335    }
6336
6337    private void updateLockScreenTimeout() {
6338        synchronized (mScreenLockTimeout) {
6339            boolean enable = (mAllowLockscreenWhenOn && mAwake &&
6340                    mKeyguardDelegate != null && mKeyguardDelegate.isSecure());
6341            if (mLockScreenTimerActive != enable) {
6342                if (enable) {
6343                    if (localLOGV) Log.v(TAG, "setting lockscreen timer");
6344                    mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
6345                } else {
6346                    if (localLOGV) Log.v(TAG, "clearing lockscreen timer");
6347                    mHandler.removeCallbacks(mScreenLockTimeout);
6348                }
6349                mLockScreenTimerActive = enable;
6350            }
6351        }
6352    }
6353
6354    private void updateDreamingSleepToken(boolean acquire) {
6355        if (acquire) {
6356            if (mDreamingSleepToken == null) {
6357                mDreamingSleepToken = mActivityManagerInternal.acquireSleepToken("Dream");
6358            }
6359        } else {
6360            if (mDreamingSleepToken != null) {
6361                mDreamingSleepToken.release();
6362                mDreamingSleepToken = null;
6363            }
6364        }
6365    }
6366
6367    private void updateScreenOffSleepToken(boolean acquire) {
6368        if (acquire) {
6369            if (mScreenOffSleepToken == null) {
6370                mScreenOffSleepToken = mActivityManagerInternal.acquireSleepToken("ScreenOff");
6371            }
6372        } else {
6373            if (mScreenOffSleepToken != null) {
6374                mScreenOffSleepToken.release();
6375                mScreenOffSleepToken = null;
6376            }
6377        }
6378    }
6379
6380    /** {@inheritDoc} */
6381    @Override
6382    public void enableScreenAfterBoot() {
6383        readLidState();
6384        applyLidSwitchState();
6385        updateRotation(true);
6386    }
6387
6388    private void applyLidSwitchState() {
6389        if (mLidState == LID_CLOSED && mLidControlsSleep) {
6390            mPowerManager.goToSleep(SystemClock.uptimeMillis(),
6391                    PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH,
6392                    PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
6393        } else if (mLidState == LID_CLOSED && mLidControlsScreenLock) {
6394            mWindowManagerFuncs.lockDeviceNow();
6395        }
6396
6397        synchronized (mLock) {
6398            updateWakeGestureListenerLp();
6399        }
6400    }
6401
6402    void updateUiMode() {
6403        if (mUiModeManager == null) {
6404            mUiModeManager = IUiModeManager.Stub.asInterface(
6405                    ServiceManager.getService(Context.UI_MODE_SERVICE));
6406        }
6407        try {
6408            mUiMode = mUiModeManager.getCurrentModeType();
6409        } catch (RemoteException e) {
6410        }
6411    }
6412
6413    void updateRotation(boolean alwaysSendConfiguration) {
6414        try {
6415            //set orientation on WindowManager
6416            mWindowManager.updateRotation(alwaysSendConfiguration, false);
6417        } catch (RemoteException e) {
6418            // Ignore
6419        }
6420    }
6421
6422    void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
6423        try {
6424            //set orientation on WindowManager
6425            mWindowManager.updateRotation(alwaysSendConfiguration, forceRelayout);
6426        } catch (RemoteException e) {
6427            // Ignore
6428        }
6429    }
6430
6431    /**
6432     * Return an Intent to launch the currently active dock app as home.  Returns
6433     * null if the standard home should be launched, which is the case if any of the following is
6434     * true:
6435     * <ul>
6436     *  <li>The device is not in either car mode or desk mode
6437     *  <li>The device is in car mode but mEnableCarDockHomeCapture is false
6438     *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
6439     *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
6440     *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
6441     * </ul>
6442     * @return A dock intent.
6443     */
6444    Intent createHomeDockIntent() {
6445        Intent intent = null;
6446
6447        // What home does is based on the mode, not the dock state.  That
6448        // is, when in car mode you should be taken to car home regardless
6449        // of whether we are actually in a car dock.
6450        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
6451            if (mEnableCarDockHomeCapture) {
6452                intent = mCarDockIntent;
6453            }
6454        } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
6455            if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
6456                intent = mDeskDockIntent;
6457            }
6458        } else if (mUiMode == Configuration.UI_MODE_TYPE_WATCH
6459                && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
6460                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK
6461                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK)) {
6462            // Always launch dock home from home when watch is docked, if it exists.
6463            intent = mDeskDockIntent;
6464        }
6465
6466        if (intent == null) {
6467            return null;
6468        }
6469
6470        ActivityInfo ai = null;
6471        ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(
6472                intent,
6473                PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_META_DATA,
6474                mCurrentUserId);
6475        if (info != null) {
6476            ai = info.activityInfo;
6477        }
6478        if (ai != null
6479                && ai.metaData != null
6480                && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
6481            intent = new Intent(intent);
6482            intent.setClassName(ai.packageName, ai.name);
6483            return intent;
6484        }
6485
6486        return null;
6487    }
6488
6489    void startDockOrHome(boolean fromHomeKey, boolean awakenFromDreams) {
6490        if (awakenFromDreams) {
6491            awakenDreams();
6492        }
6493
6494        Intent dock = createHomeDockIntent();
6495        if (dock != null) {
6496            try {
6497                if (fromHomeKey) {
6498                    dock.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
6499                }
6500                startActivityAsUser(dock, UserHandle.CURRENT);
6501                return;
6502            } catch (ActivityNotFoundException e) {
6503            }
6504        }
6505
6506        Intent intent;
6507
6508        if (fromHomeKey) {
6509            intent = new Intent(mHomeIntent);
6510            intent.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
6511        } else {
6512            intent = mHomeIntent;
6513        }
6514
6515        startActivityAsUser(intent, UserHandle.CURRENT);
6516    }
6517
6518    /**
6519     * goes to the home screen
6520     * @return whether it did anything
6521     */
6522    boolean goHome() {
6523        if (!isUserSetupComplete()) {
6524            Slog.i(TAG, "Not going home because user setup is in progress.");
6525            return false;
6526        }
6527        if (false) {
6528            // This code always brings home to the front.
6529            try {
6530                ActivityManagerNative.getDefault().stopAppSwitches();
6531            } catch (RemoteException e) {
6532            }
6533            sendCloseSystemWindows();
6534            startDockOrHome(false /*fromHomeKey*/, true /* awakenFromDreams */);
6535        } else {
6536            // This code brings home to the front or, if it is already
6537            // at the front, puts the device to sleep.
6538            try {
6539                if (SystemProperties.getInt("persist.sys.uts-test-mode", 0) == 1) {
6540                    /// Roll back EndcallBehavior as the cupcake design to pass P1 lab entry.
6541                    Log.d(TAG, "UTS-TEST-MODE");
6542                } else {
6543                    ActivityManagerNative.getDefault().stopAppSwitches();
6544                    sendCloseSystemWindows();
6545                    Intent dock = createHomeDockIntent();
6546                    if (dock != null) {
6547                        int result = ActivityManagerNative.getDefault()
6548                                .startActivityAsUser(null, null, dock,
6549                                        dock.resolveTypeIfNeeded(mContext.getContentResolver()),
6550                                        null, null, 0,
6551                                        ActivityManager.START_FLAG_ONLY_IF_NEEDED,
6552                                        null, null, UserHandle.USER_CURRENT);
6553                        if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
6554                            return false;
6555                        }
6556                    }
6557                }
6558                int result = ActivityManagerNative.getDefault()
6559                        .startActivityAsUser(null, null, mHomeIntent,
6560                                mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
6561                                null, null, 0,
6562                                ActivityManager.START_FLAG_ONLY_IF_NEEDED,
6563                                null, null, UserHandle.USER_CURRENT);
6564                if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
6565                    return false;
6566                }
6567            } catch (RemoteException ex) {
6568                // bummer, the activity manager, which is in this process, is dead
6569            }
6570        }
6571        return true;
6572    }
6573
6574    @Override
6575    public void setCurrentOrientationLw(int newOrientation) {
6576        synchronized (mLock) {
6577            if (newOrientation != mCurrentAppOrientation) {
6578                mCurrentAppOrientation = newOrientation;
6579                updateOrientationListenerLp();
6580            }
6581        }
6582    }
6583
6584    private void performAuditoryFeedbackForAccessibilityIfNeed() {
6585        if (!isGlobalAccessibilityGestureEnabled()) {
6586            return;
6587        }
6588        AudioManager audioManager = (AudioManager) mContext.getSystemService(
6589                Context.AUDIO_SERVICE);
6590        if (audioManager.isSilentMode()) {
6591            return;
6592        }
6593        Ringtone ringTone = RingtoneManager.getRingtone(mContext,
6594                Settings.System.DEFAULT_NOTIFICATION_URI);
6595        ringTone.setStreamType(AudioManager.STREAM_MUSIC);
6596        ringTone.play();
6597    }
6598
6599    private boolean isTheaterModeEnabled() {
6600        return Settings.Global.getInt(mContext.getContentResolver(),
6601                Settings.Global.THEATER_MODE_ON, 0) == 1;
6602    }
6603
6604    private boolean isGlobalAccessibilityGestureEnabled() {
6605        return Settings.Global.getInt(mContext.getContentResolver(),
6606                Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED, 0) == 1;
6607    }
6608
6609    @Override
6610    public boolean performHapticFeedbackLw(WindowState win, int effectId, boolean always) {
6611        if (!mVibrator.hasVibrator()) {
6612            return false;
6613        }
6614        final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(),
6615                Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0;
6616        if (hapticsDisabled && !always) {
6617            return false;
6618        }
6619        long[] pattern = null;
6620        switch (effectId) {
6621            case HapticFeedbackConstants.LONG_PRESS:
6622                pattern = mLongPressVibePattern;
6623                break;
6624            case HapticFeedbackConstants.VIRTUAL_KEY:
6625                pattern = mVirtualKeyVibePattern;
6626                break;
6627            case HapticFeedbackConstants.KEYBOARD_TAP:
6628                pattern = mKeyboardTapVibePattern;
6629                break;
6630            case HapticFeedbackConstants.CLOCK_TICK:
6631                pattern = mClockTickVibePattern;
6632                break;
6633            case HapticFeedbackConstants.CALENDAR_DATE:
6634                pattern = mCalendarDateVibePattern;
6635                break;
6636            case HapticFeedbackConstants.SAFE_MODE_DISABLED:
6637                pattern = mSafeModeDisabledVibePattern;
6638                break;
6639            case HapticFeedbackConstants.SAFE_MODE_ENABLED:
6640                pattern = mSafeModeEnabledVibePattern;
6641                break;
6642            case HapticFeedbackConstants.CONTEXT_CLICK:
6643                pattern = mContextClickVibePattern;
6644                break;
6645            default:
6646                return false;
6647        }
6648        int owningUid;
6649        String owningPackage;
6650        if (win != null) {
6651            owningUid = win.getOwningUid();
6652            owningPackage = win.getOwningPackage();
6653        } else {
6654            owningUid = android.os.Process.myUid();
6655            owningPackage = mContext.getOpPackageName();
6656        }
6657        if (pattern.length == 1) {
6658            // One-shot vibration
6659            mVibrator.vibrate(owningUid, owningPackage, pattern[0], VIBRATION_ATTRIBUTES);
6660        } else {
6661            // Pattern vibration
6662            mVibrator.vibrate(owningUid, owningPackage, pattern, -1, VIBRATION_ATTRIBUTES);
6663        }
6664        return true;
6665    }
6666
6667    @Override
6668    public void keepScreenOnStartedLw() {
6669    }
6670
6671    @Override
6672    public void keepScreenOnStoppedLw() {
6673        if (isKeyguardShowingAndNotOccluded()) {
6674            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
6675        }
6676    }
6677
6678    private int updateSystemUiVisibilityLw() {
6679        // If there is no window focused, there will be nobody to handle the events
6680        // anyway, so just hang on in whatever state we're in until things settle down.
6681        final WindowState win = mFocusedWindow != null ? mFocusedWindow
6682                : mTopFullscreenOpaqueWindowState;
6683        if (win == null) {
6684            return 0;
6685        }
6686        if ((win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 && mHideLockScreen == true) {
6687            // We are updating at a point where the keyguard has gotten
6688            // focus, but we were last in a state where the top window is
6689            // hiding it.  This is probably because the keyguard as been
6690            // shown while the top window was displayed, so we want to ignore
6691            // it here because this is just a very transient change and it
6692            // will quickly lose focus once it correctly gets hidden.
6693            return 0;
6694        }
6695
6696        int tmpVisibility = PolicyControl.getSystemUiVisibility(win, null)
6697                & ~mResettingSystemUiFlags
6698                & ~mForceClearedSystemUiFlags;
6699        if (mForcingShowNavBar && win.getSurfaceLayer() < mForcingShowNavBarLayer) {
6700            tmpVisibility &= ~PolicyControl.adjustClearableFlags(win, View.SYSTEM_UI_CLEARABLE_FLAGS);
6701        }
6702
6703        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
6704            tmpVisibility |= StatusBarManager.DISABLE_RECENT;
6705        }
6706
6707        tmpVisibility = updateLightStatusBarLw(tmpVisibility);
6708        final int visibility = updateSystemBarsLw(win, mLastSystemUiFlags, tmpVisibility);
6709        final int diff = visibility ^ mLastSystemUiFlags;
6710        final boolean needsMenu = win.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
6711        if (diff == 0 && mLastFocusNeedsMenu == needsMenu
6712                && mFocusedApp == win.getAppToken()) {
6713            return 0;
6714        }
6715        mLastSystemUiFlags = visibility;
6716        mLastFocusNeedsMenu = needsMenu;
6717        mFocusedApp = win.getAppToken();
6718        mHandler.post(new Runnable() {
6719                @Override
6720                public void run() {
6721                    try {
6722                        IStatusBarService statusbar = getStatusBarService();
6723                        if (statusbar != null) {
6724                            statusbar.setSystemUiVisibility(visibility, 0xffffffff, win.toString());
6725                            statusbar.topAppWindowChanged(needsMenu);
6726                        }
6727                    } catch (RemoteException e) {
6728                        // re-acquire status bar service next time it is needed.
6729                        mStatusBarService = null;
6730                    }
6731                }
6732            });
6733        return diff;
6734    }
6735
6736    private int updateLightStatusBarLw(int vis) {
6737        WindowState statusColorWin = isStatusBarKeyguard() && !mHideLockScreen
6738                ? mStatusBar
6739                : mTopFullscreenOpaqueOrDimmingWindowState;
6740
6741        if (statusColorWin != null) {
6742            if (statusColorWin == mTopFullscreenOpaqueWindowState) {
6743                // If the top fullscreen-or-dimming window is also the top fullscreen, respect
6744                // its light flag.
6745                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6746                vis |= PolicyControl.getSystemUiVisibility(statusColorWin, null)
6747                        & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6748            } else if (statusColorWin != null && statusColorWin.isDimming()) {
6749                // Otherwise if it's dimming, clear the light flag.
6750                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6751            }
6752        }
6753        return vis;
6754    }
6755
6756    private int updateSystemBarsLw(WindowState win, int oldVis, int vis) {
6757        final boolean dockedStackVisible = mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID);
6758        final boolean freeformStackVisible =
6759                mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID);
6760        final boolean forceShowSystemBars = dockedStackVisible || freeformStackVisible;
6761        final boolean forceOpaqueSystemBars = forceShowSystemBars && !mForceStatusBarFromKeyguard;
6762
6763        // apply translucent bar vis flags
6764        WindowState transWin = isStatusBarKeyguard() && !mHideLockScreen
6765                ? mStatusBar
6766                : mTopFullscreenOpaqueWindowState;
6767        vis = mStatusBarController.applyTranslucentFlagLw(transWin, vis, oldVis);
6768        vis = mNavigationBarController.applyTranslucentFlagLw(transWin, vis, oldVis);
6769
6770        // prevent status bar interaction from clearing certain flags
6771        int type = win.getAttrs().type;
6772        boolean statusBarHasFocus = type == TYPE_STATUS_BAR;
6773        if (statusBarHasFocus && !isStatusBarKeyguard()) {
6774            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
6775                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
6776                    | View.SYSTEM_UI_FLAG_IMMERSIVE
6777                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
6778                    | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6779            if (mHideLockScreen) {
6780                flags |= View.STATUS_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSLUCENT;
6781            }
6782            vis = (vis & ~flags) | (oldVis & flags);
6783        }
6784
6785        if ((!areTranslucentBarsAllowed() && transWin != mStatusBar)
6786                || forceOpaqueSystemBars) {
6787            vis &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSLUCENT
6788                    | View.SYSTEM_UI_TRANSPARENT);
6789        }
6790
6791        if (mForceWindowDrawsStatusBarBackground) {
6792            vis |= View.STATUS_BAR_TRANSPARENT;
6793            vis &= ~View.STATUS_BAR_TRANSLUCENT;
6794        }
6795
6796        // update status bar
6797        boolean immersiveSticky =
6798                (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
6799        final boolean hideStatusBarWM =
6800                mTopFullscreenOpaqueWindowState != null
6801                && (PolicyControl.getWindowFlags(mTopFullscreenOpaqueWindowState, null)
6802                        & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0;
6803        final boolean hideStatusBarSysui =
6804                (vis & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
6805        final boolean hideNavBarSysui =
6806                (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0;
6807
6808        final boolean transientStatusBarAllowed = mStatusBar != null
6809                && (statusBarHasFocus || (!forceShowSystemBars
6810                        && (hideStatusBarWM || (hideStatusBarSysui && immersiveSticky))));
6811
6812        final boolean transientNavBarAllowed = mNavigationBar != null
6813                && !forceShowSystemBars && hideNavBarSysui && immersiveSticky;
6814
6815        final long now = SystemClock.uptimeMillis();
6816        final boolean pendingPanic = mPendingPanicGestureUptime != 0
6817                && now - mPendingPanicGestureUptime <= PANIC_GESTURE_EXPIRATION;
6818        if (pendingPanic && hideNavBarSysui && !isStatusBarKeyguard() && mKeyguardDrawComplete) {
6819            // The user performed the panic gesture recently, we're about to hide the bars,
6820            // we're no longer on the Keyguard and the screen is ready. We can now request the bars.
6821            mPendingPanicGestureUptime = 0;
6822            mStatusBarController.showTransient();
6823            mNavigationBarController.showTransient();
6824        }
6825
6826        final boolean denyTransientStatus = mStatusBarController.isTransientShowRequested()
6827                && !transientStatusBarAllowed && hideStatusBarSysui;
6828        final boolean denyTransientNav = mNavigationBarController.isTransientShowRequested()
6829                && !transientNavBarAllowed;
6830        if (denyTransientStatus || denyTransientNav || forceShowSystemBars) {
6831            // clear the clearable flags instead
6832            clearClearableFlagsLw();
6833            vis &= ~View.SYSTEM_UI_CLEARABLE_FLAGS;
6834        }
6835
6836        final boolean immersive = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
6837        immersiveSticky = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
6838        final boolean navAllowedHidden = immersive || immersiveSticky;
6839
6840        if (hideNavBarSysui && !navAllowedHidden && windowTypeToLayerLw(win.getBaseType())
6841                > windowTypeToLayerLw(TYPE_INPUT_CONSUMER)) {
6842            // We can't hide the navbar from this window otherwise the input consumer would not get
6843            // the input events.
6844            vis = (vis & ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
6845        }
6846
6847        vis = mStatusBarController.updateVisibilityLw(transientStatusBarAllowed, oldVis, vis);
6848
6849        // update navigation bar
6850        boolean oldImmersiveMode = isImmersiveMode(oldVis);
6851        boolean newImmersiveMode = isImmersiveMode(vis);
6852        if (win != null && oldImmersiveMode != newImmersiveMode) {
6853            final String pkg = win.getOwningPackage();
6854            mImmersiveModeConfirmation.immersiveModeChanged(pkg, newImmersiveMode,
6855                    isUserSetupComplete());
6856        }
6857
6858        vis = mNavigationBarController.updateVisibilityLw(transientNavBarAllowed, oldVis, vis);
6859
6860        return vis;
6861    }
6862
6863    private void clearClearableFlagsLw() {
6864        int newVal = mResettingSystemUiFlags | View.SYSTEM_UI_CLEARABLE_FLAGS;
6865        if (newVal != mResettingSystemUiFlags) {
6866            mResettingSystemUiFlags = newVal;
6867            mWindowManagerFuncs.reevaluateStatusBarVisibility();
6868        }
6869    }
6870
6871    private boolean isImmersiveMode(int vis) {
6872        final int flags = View.SYSTEM_UI_FLAG_IMMERSIVE | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
6873        return mNavigationBar != null
6874                && (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
6875                && (vis & flags) != 0
6876                && canHideNavigationBar();
6877    }
6878
6879    /**
6880     * @return whether the navigation or status bar can be made translucent
6881     *
6882     * This should return true unless touch exploration is not enabled or
6883     * R.boolean.config_enableTranslucentDecor is false.
6884     */
6885    private boolean areTranslucentBarsAllowed() {
6886        return mTranslucentDecorEnabled;
6887    }
6888
6889    // Use this instead of checking config_showNavigationBar so that it can be consistently
6890    // overridden by qemu.hw.mainkeys in the emulator.
6891    @Override
6892    public boolean hasNavigationBar() {
6893        return mHasNavigationBar;
6894    }
6895
6896    @Override
6897    public void setLastInputMethodWindowLw(WindowState ime, WindowState target) {
6898        mLastInputMethodWindow = ime;
6899        mLastInputMethodTargetWindow = target;
6900    }
6901
6902    @Override
6903    public int getInputMethodWindowVisibleHeightLw() {
6904        return mDockBottom - mCurBottom;
6905    }
6906
6907    @Override
6908    public void setCurrentUserLw(int newUserId) {
6909        mCurrentUserId = newUserId;
6910        if (mKeyguardDelegate != null) {
6911            mKeyguardDelegate.setCurrentUser(newUserId);
6912        }
6913        if (mStatusBarService != null) {
6914            try {
6915                mStatusBarService.setCurrentUser(newUserId);
6916            } catch (RemoteException e) {
6917                // oh well
6918            }
6919        }
6920        setLastInputMethodWindowLw(null, null);
6921    }
6922
6923    @Override
6924    public boolean canMagnifyWindow(int windowType) {
6925        switch (windowType) {
6926            case WindowManager.LayoutParams.TYPE_INPUT_METHOD:
6927            case WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG:
6928            case WindowManager.LayoutParams.TYPE_NAVIGATION_BAR:
6929            case WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY: {
6930                return false;
6931            }
6932        }
6933        return true;
6934    }
6935
6936    @Override
6937    public boolean isTopLevelWindow(int windowType) {
6938        if (windowType >= WindowManager.LayoutParams.FIRST_SUB_WINDOW
6939                && windowType <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
6940            return (windowType == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG);
6941        }
6942        return true;
6943    }
6944
6945    @Override
6946    public void dump(String prefix, PrintWriter pw, String[] args) {
6947        pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
6948                pw.print(" mSystemReady="); pw.print(mSystemReady);
6949                pw.print(" mSystemBooted="); pw.println(mSystemBooted);
6950        pw.print(prefix); pw.print("mLidState="); pw.print(mLidState);
6951                pw.print(" mLidOpenRotation="); pw.print(mLidOpenRotation);
6952                pw.print(" mCameraLensCoverState="); pw.print(mCameraLensCoverState);
6953                pw.print(" mHdmiPlugged="); pw.println(mHdmiPlugged);
6954        if (mLastSystemUiFlags != 0 || mResettingSystemUiFlags != 0
6955                || mForceClearedSystemUiFlags != 0) {
6956            pw.print(prefix); pw.print("mLastSystemUiFlags=0x");
6957                    pw.print(Integer.toHexString(mLastSystemUiFlags));
6958                    pw.print(" mResettingSystemUiFlags=0x");
6959                    pw.print(Integer.toHexString(mResettingSystemUiFlags));
6960                    pw.print(" mForceClearedSystemUiFlags=0x");
6961                    pw.println(Integer.toHexString(mForceClearedSystemUiFlags));
6962        }
6963        if (mLastFocusNeedsMenu) {
6964            pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
6965                    pw.println(mLastFocusNeedsMenu);
6966        }
6967        pw.print(prefix); pw.print("mWakeGestureEnabledSetting=");
6968                pw.println(mWakeGestureEnabledSetting);
6969
6970        pw.print(prefix); pw.print("mSupportAutoRotation="); pw.println(mSupportAutoRotation);
6971        pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
6972                pw.print(" mDockMode="); pw.print(mDockMode);
6973                pw.print(" mEnableCarDockHomeCapture="); pw.print(mEnableCarDockHomeCapture);
6974                pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
6975                pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
6976        pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);
6977                pw.print(" mUserRotation="); pw.print(mUserRotation);
6978                pw.print(" mAllowAllRotations="); pw.println(mAllowAllRotations);
6979        pw.print(prefix); pw.print("mCurrentAppOrientation="); pw.println(mCurrentAppOrientation);
6980        pw.print(prefix); pw.print("mCarDockEnablesAccelerometer=");
6981                pw.print(mCarDockEnablesAccelerometer);
6982                pw.print(" mDeskDockEnablesAccelerometer=");
6983                pw.println(mDeskDockEnablesAccelerometer);
6984        pw.print(prefix); pw.print("mLidKeyboardAccessibility=");
6985                pw.print(mLidKeyboardAccessibility);
6986                pw.print(" mLidNavigationAccessibility="); pw.print(mLidNavigationAccessibility);
6987                pw.print(" mLidControlsScreenLock="); pw.println(mLidControlsScreenLock);
6988                pw.print(" mLidControlsSleep="); pw.println(mLidControlsSleep);
6989        pw.print(prefix);
6990                pw.print("mShortPressOnPowerBehavior="); pw.print(mShortPressOnPowerBehavior);
6991                pw.print(" mLongPressOnPowerBehavior="); pw.println(mLongPressOnPowerBehavior);
6992        pw.print(prefix);
6993                pw.print("mDoublePressOnPowerBehavior="); pw.print(mDoublePressOnPowerBehavior);
6994                pw.print(" mTriplePressOnPowerBehavior="); pw.println(mTriplePressOnPowerBehavior);
6995        pw.print(prefix); pw.print("mHasSoftInput="); pw.println(mHasSoftInput);
6996        pw.print(prefix); pw.print("mAwake="); pw.println(mAwake);
6997        pw.print(prefix); pw.print("mScreenOnEarly="); pw.print(mScreenOnEarly);
6998                pw.print(" mScreenOnFully="); pw.println(mScreenOnFully);
6999        pw.print(prefix); pw.print("mKeyguardDrawComplete="); pw.print(mKeyguardDrawComplete);
7000                pw.print(" mWindowManagerDrawComplete="); pw.println(mWindowManagerDrawComplete);
7001        pw.print(prefix); pw.print("mOrientationSensorEnabled=");
7002                pw.println(mOrientationSensorEnabled);
7003        pw.print(prefix); pw.print("mOverscanScreen=("); pw.print(mOverscanScreenLeft);
7004                pw.print(","); pw.print(mOverscanScreenTop);
7005                pw.print(") "); pw.print(mOverscanScreenWidth);
7006                pw.print("x"); pw.println(mOverscanScreenHeight);
7007        if (mOverscanLeft != 0 || mOverscanTop != 0
7008                || mOverscanRight != 0 || mOverscanBottom != 0) {
7009            pw.print(prefix); pw.print("mOverscan left="); pw.print(mOverscanLeft);
7010                    pw.print(" top="); pw.print(mOverscanTop);
7011                    pw.print(" right="); pw.print(mOverscanRight);
7012                    pw.print(" bottom="); pw.println(mOverscanBottom);
7013        }
7014        pw.print(prefix); pw.print("mRestrictedOverscanScreen=(");
7015                pw.print(mRestrictedOverscanScreenLeft);
7016                pw.print(","); pw.print(mRestrictedOverscanScreenTop);
7017                pw.print(") "); pw.print(mRestrictedOverscanScreenWidth);
7018                pw.print("x"); pw.println(mRestrictedOverscanScreenHeight);
7019        pw.print(prefix); pw.print("mUnrestrictedScreen=("); pw.print(mUnrestrictedScreenLeft);
7020                pw.print(","); pw.print(mUnrestrictedScreenTop);
7021                pw.print(") "); pw.print(mUnrestrictedScreenWidth);
7022                pw.print("x"); pw.println(mUnrestrictedScreenHeight);
7023        pw.print(prefix); pw.print("mRestrictedScreen=("); pw.print(mRestrictedScreenLeft);
7024                pw.print(","); pw.print(mRestrictedScreenTop);
7025                pw.print(") "); pw.print(mRestrictedScreenWidth);
7026                pw.print("x"); pw.println(mRestrictedScreenHeight);
7027        pw.print(prefix); pw.print("mStableFullscreen=("); pw.print(mStableFullscreenLeft);
7028                pw.print(","); pw.print(mStableFullscreenTop);
7029                pw.print(")-("); pw.print(mStableFullscreenRight);
7030                pw.print(","); pw.print(mStableFullscreenBottom); pw.println(")");
7031        pw.print(prefix); pw.print("mStable=("); pw.print(mStableLeft);
7032                pw.print(","); pw.print(mStableTop);
7033                pw.print(")-("); pw.print(mStableRight);
7034                pw.print(","); pw.print(mStableBottom); pw.println(")");
7035        pw.print(prefix); pw.print("mSystem=("); pw.print(mSystemLeft);
7036                pw.print(","); pw.print(mSystemTop);
7037                pw.print(")-("); pw.print(mSystemRight);
7038                pw.print(","); pw.print(mSystemBottom); pw.println(")");
7039        pw.print(prefix); pw.print("mCur=("); pw.print(mCurLeft);
7040                pw.print(","); pw.print(mCurTop);
7041                pw.print(")-("); pw.print(mCurRight);
7042                pw.print(","); pw.print(mCurBottom); pw.println(")");
7043        pw.print(prefix); pw.print("mContent=("); pw.print(mContentLeft);
7044                pw.print(","); pw.print(mContentTop);
7045                pw.print(")-("); pw.print(mContentRight);
7046                pw.print(","); pw.print(mContentBottom); pw.println(")");
7047        pw.print(prefix); pw.print("mVoiceContent=("); pw.print(mVoiceContentLeft);
7048                pw.print(","); pw.print(mVoiceContentTop);
7049                pw.print(")-("); pw.print(mVoiceContentRight);
7050                pw.print(","); pw.print(mVoiceContentBottom); pw.println(")");
7051        pw.print(prefix); pw.print("mDock=("); pw.print(mDockLeft);
7052                pw.print(","); pw.print(mDockTop);
7053                pw.print(")-("); pw.print(mDockRight);
7054                pw.print(","); pw.print(mDockBottom); pw.println(")");
7055        pw.print(prefix); pw.print("mDockLayer="); pw.print(mDockLayer);
7056                pw.print(" mStatusBarLayer="); pw.println(mStatusBarLayer);
7057        pw.print(prefix); pw.print("mShowingLockscreen="); pw.print(mShowingLockscreen);
7058                pw.print(" mShowingDream="); pw.print(mShowingDream);
7059                pw.print(" mDreamingLockscreen="); pw.print(mDreamingLockscreen);
7060                pw.print(" mDreamingSleepToken="); pw.println(mDreamingSleepToken);
7061        if (mLastInputMethodWindow != null) {
7062            pw.print(prefix); pw.print("mLastInputMethodWindow=");
7063                    pw.println(mLastInputMethodWindow);
7064        }
7065        if (mLastInputMethodTargetWindow != null) {
7066            pw.print(prefix); pw.print("mLastInputMethodTargetWindow=");
7067                    pw.println(mLastInputMethodTargetWindow);
7068        }
7069        if (mStatusBar != null) {
7070            pw.print(prefix); pw.print("mStatusBar=");
7071                    pw.print(mStatusBar); pw.print(" isStatusBarKeyguard=");
7072                    pw.println(isStatusBarKeyguard());
7073        }
7074        if (mNavigationBar != null) {
7075            pw.print(prefix); pw.print("mNavigationBar=");
7076                    pw.println(mNavigationBar);
7077        }
7078        if (mFocusedWindow != null) {
7079            pw.print(prefix); pw.print("mFocusedWindow=");
7080                    pw.println(mFocusedWindow);
7081        }
7082        if (mFocusedApp != null) {
7083            pw.print(prefix); pw.print("mFocusedApp=");
7084                    pw.println(mFocusedApp);
7085        }
7086        if (mWinDismissingKeyguard != null) {
7087            pw.print(prefix); pw.print("mWinDismissingKeyguard=");
7088                    pw.println(mWinDismissingKeyguard);
7089        }
7090        if (mTopFullscreenOpaqueWindowState != null) {
7091            pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
7092                    pw.println(mTopFullscreenOpaqueWindowState);
7093        }
7094        if (mTopFullscreenOpaqueOrDimmingWindowState != null) {
7095            pw.print(prefix); pw.print("mTopFullscreenOpaqueOrDimmingWindowState=");
7096                    pw.println(mTopFullscreenOpaqueOrDimmingWindowState);
7097        }
7098        if (mForcingShowNavBar) {
7099            pw.print(prefix); pw.print("mForcingShowNavBar=");
7100                    pw.println(mForcingShowNavBar); pw.print( "mForcingShowNavBarLayer=");
7101                    pw.println(mForcingShowNavBarLayer);
7102        }
7103        pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
7104                pw.print(" mHideLockScreen="); pw.println(mHideLockScreen);
7105        pw.print(prefix); pw.print("mForceStatusBar="); pw.print(mForceStatusBar);
7106                pw.print(" mForceStatusBarFromKeyguard=");
7107                pw.println(mForceStatusBarFromKeyguard);
7108        pw.print(prefix); pw.print("mDismissKeyguard="); pw.print(mDismissKeyguard);
7109                pw.print(" mWinDismissingKeyguard="); pw.print(mWinDismissingKeyguard);
7110                pw.print(" mHomePressed="); pw.println(mHomePressed);
7111        pw.print(prefix); pw.print("mAllowLockscreenWhenOn="); pw.print(mAllowLockscreenWhenOn);
7112                pw.print(" mLockScreenTimeout="); pw.print(mLockScreenTimeout);
7113                pw.print(" mLockScreenTimerActive="); pw.println(mLockScreenTimerActive);
7114        pw.print(prefix); pw.print("mEndcallBehavior="); pw.print(mEndcallBehavior);
7115                pw.print(" mIncallPowerBehavior="); pw.print(mIncallPowerBehavior);
7116                pw.print(" mLongPressOnHomeBehavior="); pw.println(mLongPressOnHomeBehavior);
7117        pw.print(prefix); pw.print("mLandscapeRotation="); pw.print(mLandscapeRotation);
7118                pw.print(" mSeascapeRotation="); pw.println(mSeascapeRotation);
7119        pw.print(prefix); pw.print("mPortraitRotation="); pw.print(mPortraitRotation);
7120                pw.print(" mUpsideDownRotation="); pw.println(mUpsideDownRotation);
7121        pw.print(prefix); pw.print("mDemoHdmiRotation="); pw.print(mDemoHdmiRotation);
7122                pw.print(" mDemoHdmiRotationLock="); pw.println(mDemoHdmiRotationLock);
7123        pw.print(prefix); pw.print("mUndockedHdmiRotation="); pw.println(mUndockedHdmiRotation);
7124
7125        mGlobalKeyManager.dump(prefix, pw);
7126        mStatusBarController.dump(pw, prefix);
7127        mNavigationBarController.dump(pw, prefix);
7128        PolicyControl.dump(prefix, pw);
7129
7130        if (mWakeGestureListener != null) {
7131            mWakeGestureListener.dump(pw, prefix);
7132        }
7133        if (mOrientationListener != null) {
7134            mOrientationListener.dump(pw, prefix);
7135        }
7136        if (mBurnInProtectionHelper != null) {
7137            mBurnInProtectionHelper.dump(prefix, pw);
7138        }
7139        if (mKeyguardDelegate != null) {
7140            mKeyguardDelegate.dump(prefix, pw);
7141        }
7142    }
7143}
7144