PhoneWindowManager.java revision 4fa7892f35268ff7d591928ac9f5a26c267031e3 
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 mLidControlsSleep;
400    int mShortPressOnPowerBehavior;
401    int mLongPressOnPowerBehavior;
402    int mDoublePressOnPowerBehavior;
403    int mTriplePressOnPowerBehavior;
404    int mShortPressOnSleepBehavior;
405    boolean mAwake;
406    boolean mScreenOnEarly;
407    boolean mScreenOnFully;
408    ScreenOnListener mScreenOnListener;
409    boolean mKeyguardDrawComplete;
410    boolean mWindowManagerDrawComplete;
411    boolean mOrientationSensorEnabled = false;
412    int mCurrentAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
413    boolean mHasSoftInput = false;
414    boolean mTranslucentDecorEnabled = true;
415    boolean mUseTvRouting;
416
417    int mPointerLocationMode = 0; // guarded by mLock
418
419    // The last window we were told about in focusChanged.
420    WindowState mFocusedWindow;
421    IApplicationToken mFocusedApp;
422
423    PointerLocationView mPointerLocationView;
424
425    // The current size of the screen; really; extends into the overscan area of
426    // the screen and doesn't account for any system elements like the status bar.
427    int mOverscanScreenLeft, mOverscanScreenTop;
428    int mOverscanScreenWidth, mOverscanScreenHeight;
429    // The current visible size of the screen; really; (ir)regardless of whether the status
430    // bar can be hidden but not extending into the overscan area.
431    int mUnrestrictedScreenLeft, mUnrestrictedScreenTop;
432    int mUnrestrictedScreenWidth, mUnrestrictedScreenHeight;
433    // Like mOverscanScreen*, but allowed to move into the overscan region where appropriate.
434    int mRestrictedOverscanScreenLeft, mRestrictedOverscanScreenTop;
435    int mRestrictedOverscanScreenWidth, mRestrictedOverscanScreenHeight;
436    // The current size of the screen; these may be different than (0,0)-(dw,dh)
437    // if the status bar can't be hidden; in that case it effectively carves out
438    // that area of the display from all other windows.
439    int mRestrictedScreenLeft, mRestrictedScreenTop;
440    int mRestrictedScreenWidth, mRestrictedScreenHeight;
441    // During layout, the current screen borders accounting for any currently
442    // visible system UI elements.
443    int mSystemLeft, mSystemTop, mSystemRight, mSystemBottom;
444    // For applications requesting stable content insets, these are them.
445    int mStableLeft, mStableTop, mStableRight, mStableBottom;
446    // For applications requesting stable content insets but have also set the
447    // fullscreen window flag, these are the stable dimensions without the status bar.
448    int mStableFullscreenLeft, mStableFullscreenTop;
449    int mStableFullscreenRight, mStableFullscreenBottom;
450    // During layout, the current screen borders with all outer decoration
451    // (status bar, input method dock) accounted for.
452    int mCurLeft, mCurTop, mCurRight, mCurBottom;
453    // During layout, the frame in which content should be displayed
454    // to the user, accounting for all screen decoration except for any
455    // space they deem as available for other content.  This is usually
456    // the same as mCur*, but may be larger if the screen decor has supplied
457    // content insets.
458    int mContentLeft, mContentTop, mContentRight, mContentBottom;
459    // During layout, the frame in which voice content should be displayed
460    // to the user, accounting for all screen decoration except for any
461    // space they deem as available for other content.
462    int mVoiceContentLeft, mVoiceContentTop, mVoiceContentRight, mVoiceContentBottom;
463    // During layout, the current screen borders along which input method
464    // windows are placed.
465    int mDockLeft, mDockTop, mDockRight, mDockBottom;
466    // During layout, the layer at which the doc window is placed.
467    int mDockLayer;
468    // During layout, this is the layer of the status bar.
469    int mStatusBarLayer;
470    int mLastSystemUiFlags;
471    // Bits that we are in the process of clearing, so we want to prevent
472    // them from being set by applications until everything has been updated
473    // to have them clear.
474    int mResettingSystemUiFlags = 0;
475    // Bits that we are currently always keeping cleared.
476    int mForceClearedSystemUiFlags = 0;
477    // What we last reported to system UI about whether the compatibility
478    // menu needs to be displayed.
479    boolean mLastFocusNeedsMenu = false;
480    // If nonzero, a panic gesture was performed at that time in uptime millis and is still pending.
481    private long mPendingPanicGestureUptime;
482
483    InputConsumer mInputConsumer = null;
484
485    static final Rect mTmpParentFrame = new Rect();
486    static final Rect mTmpDisplayFrame = new Rect();
487    static final Rect mTmpOverscanFrame = new Rect();
488    static final Rect mTmpContentFrame = new Rect();
489    static final Rect mTmpVisibleFrame = new Rect();
490    static final Rect mTmpDecorFrame = new Rect();
491    static final Rect mTmpStableFrame = new Rect();
492    static final Rect mTmpNavigationFrame = new Rect();
493    static final Rect mTmpOutsetFrame = new Rect();
494
495    WindowState mTopFullscreenOpaqueWindowState;
496    WindowState mTopFullscreenOpaqueOrDimmingWindowState;
497    HashSet<IApplicationToken> mAppsToBeHidden = new HashSet<IApplicationToken>();
498    HashSet<IApplicationToken> mAppsThatDismissKeyguard = new HashSet<IApplicationToken>();
499    boolean mTopIsFullscreen;
500    boolean mForceStatusBar;
501    boolean mForceStatusBarFromKeyguard;
502    private boolean mForceStatusBarTransparent;
503    boolean mHideLockScreen;
504    boolean mForcingShowNavBar;
505    int mForcingShowNavBarLayer;
506
507    // States of keyguard dismiss.
508    private static final int DISMISS_KEYGUARD_NONE = 0; // Keyguard not being dismissed.
509    private static final int DISMISS_KEYGUARD_START = 1; // Keyguard needs to be dismissed.
510    private static final int DISMISS_KEYGUARD_CONTINUE = 2; // Keyguard has been dismissed.
511    int mDismissKeyguard = DISMISS_KEYGUARD_NONE;
512
513    /** The window that is currently dismissing the keyguard. Dismissing the keyguard must only
514     * be done once per window. */
515    private WindowState mWinDismissingKeyguard;
516
517    /** When window is currently dismissing the keyguard, dismissing the keyguard must handle
518     * the keygaurd secure state change instantly case, e.g. the use case of inserting a PIN
519     * lock SIM card. This variable is used to record the previous keyguard secure state for
520     * monitoring secure state change on window dismissing keyguard. */
521    private boolean mSecureDismissingKeyguard;
522
523    /** The window that is currently showing "over" the keyguard. If there is an app window
524     * belonging to another app on top of this the keyguard shows. If there is a fullscreen
525     * app window under this, still dismiss the keyguard but don't show the app underneath. Show
526     * the wallpaper. */
527    private WindowState mWinShowWhenLocked;
528
529    boolean mShowingLockscreen;
530    boolean mShowingDream;
531    boolean mDreamingLockscreen;
532    boolean mDreamingSleepTokenNeeded;
533    SleepToken mDreamingSleepToken;
534    SleepToken mScreenOffSleepToken;
535    boolean mKeyguardSecure;
536    boolean mKeyguardSecureIncludingHidden;
537    volatile boolean mKeyguardOccluded;
538    boolean mHomePressed;
539    boolean mHomeConsumed;
540    boolean mHomeDoubleTapPending;
541    Intent mHomeIntent;
542    Intent mCarDockIntent;
543    Intent mDeskDockIntent;
544    boolean mSearchKeyShortcutPending;
545    boolean mConsumeSearchKeyUp;
546    boolean mAssistKeyLongPressed;
547    boolean mPendingMetaAction;
548
549    // support for activating the lock screen while the screen is on
550    boolean mAllowLockscreenWhenOn;
551    int mLockScreenTimeout;
552    boolean mLockScreenTimerActive;
553
554    // Behavior of ENDCALL Button.  (See Settings.System.END_BUTTON_BEHAVIOR.)
555    int mEndcallBehavior;
556
557    // Behavior of POWER button while in-call and screen on.
558    // (See Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR.)
559    int mIncallPowerBehavior;
560
561    Display mDisplay;
562
563    private int mDisplayRotation;
564
565    int mLandscapeRotation = 0;  // default landscape rotation
566    int mSeascapeRotation = 0;   // "other" landscape rotation, 180 degrees from mLandscapeRotation
567    int mPortraitRotation = 0;   // default portrait rotation
568    int mUpsideDownRotation = 0; // "other" portrait rotation
569
570    int mOverscanLeft = 0;
571    int mOverscanTop = 0;
572    int mOverscanRight = 0;
573    int mOverscanBottom = 0;
574
575    // What we do when the user long presses on home
576    private int mLongPressOnHomeBehavior;
577
578    // What we do when the user double-taps on home
579    private int mDoubleTapOnHomeBehavior;
580
581    // Allowed theater mode wake actions
582    private boolean mAllowTheaterModeWakeFromKey;
583    private boolean mAllowTheaterModeWakeFromPowerKey;
584    private boolean mAllowTheaterModeWakeFromMotion;
585    private boolean mAllowTheaterModeWakeFromMotionWhenNotDreaming;
586    private boolean mAllowTheaterModeWakeFromCameraLens;
587    private boolean mAllowTheaterModeWakeFromLidSwitch;
588    private boolean mAllowTheaterModeWakeFromWakeGesture;
589
590    // Whether to support long press from power button in non-interactive mode
591    private boolean mSupportLongPressPowerWhenNonInteractive;
592
593    // Whether to go to sleep entering theater mode from power button
594    private boolean mGoToSleepOnButtonPressTheaterMode;
595
596    // Screenshot trigger states
597    // Time to volume and power must be pressed within this interval of each other.
598    private static final long SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS = 150;
599    // Increase the chord delay when taking a screenshot from the keyguard
600    private static final float KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER = 2.5f;
601    private boolean mScreenshotChordEnabled;
602    private boolean mScreenshotChordVolumeDownKeyTriggered;
603    private long mScreenshotChordVolumeDownKeyTime;
604    private boolean mScreenshotChordVolumeDownKeyConsumed;
605    private boolean mScreenshotChordVolumeUpKeyTriggered;
606    private boolean mScreenshotChordPowerKeyTriggered;
607    private long mScreenshotChordPowerKeyTime;
608
609    /* The number of steps between min and max brightness */
610    private static final int BRIGHTNESS_STEPS = 10;
611
612    SettingsObserver mSettingsObserver;
613    ShortcutManager mShortcutManager;
614    PowerManager.WakeLock mBroadcastWakeLock;
615    PowerManager.WakeLock mPowerKeyWakeLock;
616    boolean mHavePendingMediaKeyRepeatWithWakeLock;
617
618    private int mCurrentUserId;
619
620    // Maps global key codes to the components that will handle them.
621    private GlobalKeyManager mGlobalKeyManager;
622
623    // Fallback actions by key code.
624    private final SparseArray<KeyCharacterMap.FallbackAction> mFallbackActions =
625            new SparseArray<KeyCharacterMap.FallbackAction>();
626
627    private final LogDecelerateInterpolator mLogDecelerateInterpolator
628            = new LogDecelerateInterpolator(100, 0);
629
630    private boolean mForceWindowDrawsStatusBarBackground;
631
632    private static final int MSG_ENABLE_POINTER_LOCATION = 1;
633    private static final int MSG_DISABLE_POINTER_LOCATION = 2;
634    private static final int MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK = 3;
635    private static final int MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK = 4;
636    private static final int MSG_KEYGUARD_DRAWN_COMPLETE = 5;
637    private static final int MSG_KEYGUARD_DRAWN_TIMEOUT = 6;
638    private static final int MSG_WINDOW_MANAGER_DRAWN_COMPLETE = 7;
639    private static final int MSG_DISPATCH_SHOW_RECENTS = 9;
640    private static final int MSG_DISPATCH_SHOW_GLOBAL_ACTIONS = 10;
641    private static final int MSG_HIDE_BOOT_MESSAGE = 11;
642    private static final int MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK = 12;
643    private static final int MSG_POWER_DELAYED_PRESS = 13;
644    private static final int MSG_POWER_LONG_PRESS = 14;
645    private static final int MSG_UPDATE_DREAMING_SLEEP_TOKEN = 15;
646    private static final int MSG_REQUEST_TRANSIENT_BARS = 16;
647
648    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS = 0;
649    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION = 1;
650
651    private class PolicyHandler extends Handler {
652        @Override
653        public void handleMessage(Message msg) {
654            switch (msg.what) {
655                case MSG_ENABLE_POINTER_LOCATION:
656                    enablePointerLocation();
657                    break;
658                case MSG_DISABLE_POINTER_LOCATION:
659                    disablePointerLocation();
660                    break;
661                case MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK:
662                    dispatchMediaKeyWithWakeLock((KeyEvent)msg.obj);
663                    break;
664                case MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK:
665                    dispatchMediaKeyRepeatWithWakeLock((KeyEvent)msg.obj);
666                    break;
667                case MSG_DISPATCH_SHOW_RECENTS:
668                    showRecentApps(false);
669                    break;
670                case MSG_DISPATCH_SHOW_GLOBAL_ACTIONS:
671                    showGlobalActionsInternal();
672                    break;
673                case MSG_KEYGUARD_DRAWN_COMPLETE:
674                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mKeyguardDrawComplete");
675                    finishKeyguardDrawn();
676                    break;
677                case MSG_KEYGUARD_DRAWN_TIMEOUT:
678                    Slog.w(TAG, "Keyguard drawn timeout. Setting mKeyguardDrawComplete");
679                    finishKeyguardDrawn();
680                    break;
681                case MSG_WINDOW_MANAGER_DRAWN_COMPLETE:
682                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mWindowManagerDrawComplete");
683                    finishWindowsDrawn();
684                    break;
685                case MSG_HIDE_BOOT_MESSAGE:
686                    handleHideBootMessage();
687                    break;
688                case MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK:
689                    launchVoiceAssistWithWakeLock(msg.arg1 != 0);
690                    break;
691                case MSG_POWER_DELAYED_PRESS:
692                    powerPress((Long)msg.obj, msg.arg1 != 0, msg.arg2);
693                    finishPowerKeyPress();
694                    break;
695                case MSG_POWER_LONG_PRESS:
696                    powerLongPress();
697                    break;
698                case MSG_UPDATE_DREAMING_SLEEP_TOKEN:
699                    updateDreamingSleepToken(msg.arg1 != 0);
700                    break;
701                case MSG_REQUEST_TRANSIENT_BARS:
702                    WindowState targetBar = (msg.arg1 == MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS) ?
703                            mStatusBar : mNavigationBar;
704                    if (targetBar != null) {
705                        requestTransientBars(targetBar);
706                    }
707                    break;
708            }
709        }
710    }
711
712    private UEventObserver mHDMIObserver = new UEventObserver() {
713        @Override
714        public void onUEvent(UEventObserver.UEvent event) {
715            setHdmiPlugged("1".equals(event.get("SWITCH_STATE")));
716        }
717    };
718
719    class SettingsObserver extends ContentObserver {
720        SettingsObserver(Handler handler) {
721            super(handler);
722        }
723
724        void observe() {
725            // Observe all users' changes
726            ContentResolver resolver = mContext.getContentResolver();
727            resolver.registerContentObserver(Settings.System.getUriFor(
728                    Settings.System.END_BUTTON_BEHAVIOR), false, this,
729                    UserHandle.USER_ALL);
730            resolver.registerContentObserver(Settings.Secure.getUriFor(
731                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR), false, this,
732                    UserHandle.USER_ALL);
733            resolver.registerContentObserver(Settings.Secure.getUriFor(
734                    Settings.Secure.WAKE_GESTURE_ENABLED), false, this,
735                    UserHandle.USER_ALL);
736            resolver.registerContentObserver(Settings.System.getUriFor(
737                    Settings.System.ACCELEROMETER_ROTATION), false, this,
738                    UserHandle.USER_ALL);
739            resolver.registerContentObserver(Settings.System.getUriFor(
740                    Settings.System.USER_ROTATION), false, this,
741                    UserHandle.USER_ALL);
742            resolver.registerContentObserver(Settings.System.getUriFor(
743                    Settings.System.SCREEN_OFF_TIMEOUT), false, this,
744                    UserHandle.USER_ALL);
745            resolver.registerContentObserver(Settings.System.getUriFor(
746                    Settings.System.POINTER_LOCATION), false, this,
747                    UserHandle.USER_ALL);
748            resolver.registerContentObserver(Settings.Secure.getUriFor(
749                    Settings.Secure.DEFAULT_INPUT_METHOD), false, this,
750                    UserHandle.USER_ALL);
751            resolver.registerContentObserver(Settings.Secure.getUriFor(
752                    Settings.Secure.IMMERSIVE_MODE_CONFIRMATIONS), false, this,
753                    UserHandle.USER_ALL);
754            resolver.registerContentObserver(Settings.Global.getUriFor(
755                    Settings.Global.POLICY_CONTROL), false, this,
756                    UserHandle.USER_ALL);
757            updateSettings();
758        }
759
760        @Override public void onChange(boolean selfChange) {
761            updateSettings();
762            updateRotation(false);
763        }
764    }
765
766    class MyWakeGestureListener extends WakeGestureListener {
767        MyWakeGestureListener(Context context, Handler handler) {
768            super(context, handler);
769        }
770
771        @Override
772        public void onWakeUp() {
773            synchronized (mLock) {
774                if (shouldEnableWakeGestureLp()) {
775                    performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
776                    wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromWakeGesture,
777                            "android.policy:GESTURE");
778                }
779            }
780        }
781    }
782
783    class MyOrientationListener extends WindowOrientationListener {
784        private final Runnable mUpdateRotationRunnable = new Runnable() {
785            @Override
786            public void run() {
787                // send interaction hint to improve redraw performance
788                mPowerManagerInternal.powerHint(PowerManagerInternal.POWER_HINT_INTERACTION, 0);
789                updateRotation(false);
790            }
791        };
792
793        MyOrientationListener(Context context, Handler handler) {
794            super(context, handler);
795        }
796
797        @Override
798        public void onProposedRotationChanged(int rotation) {
799            if (localLOGV) Slog.v(TAG, "onProposedRotationChanged, rotation=" + rotation);
800            mHandler.post(mUpdateRotationRunnable);
801        }
802    }
803    MyOrientationListener mOrientationListener;
804
805    private final StatusBarController mStatusBarController = new StatusBarController();
806
807    private final BarController mNavigationBarController = new BarController("NavigationBar",
808            View.NAVIGATION_BAR_TRANSIENT,
809            View.NAVIGATION_BAR_UNHIDE,
810            View.NAVIGATION_BAR_TRANSLUCENT,
811            StatusBarManager.WINDOW_NAVIGATION_BAR,
812            WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION,
813            View.NAVIGATION_BAR_TRANSPARENT);
814
815    private ImmersiveModeConfirmation mImmersiveModeConfirmation;
816
817    private SystemGesturesPointerEventListener mSystemGestures;
818
819    IStatusBarService getStatusBarService() {
820        synchronized (mServiceAquireLock) {
821            if (mStatusBarService == null) {
822                mStatusBarService = IStatusBarService.Stub.asInterface(
823                        ServiceManager.getService("statusbar"));
824            }
825            return mStatusBarService;
826        }
827    }
828
829    /*
830     * We always let the sensor be switched on by default except when
831     * the user has explicitly disabled sensor based rotation or when the
832     * screen is switched off.
833     */
834    boolean needSensorRunningLp() {
835        if (mSupportAutoRotation) {
836            if (mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
837                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
838                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT
839                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE) {
840                // If the application has explicitly requested to follow the
841                // orientation, then we need to turn the sensor on.
842                return true;
843            }
844        }
845        if ((mCarDockEnablesAccelerometer && mDockMode == Intent.EXTRA_DOCK_STATE_CAR) ||
846                (mDeskDockEnablesAccelerometer && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
847                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
848                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK))) {
849            // enable accelerometer if we are docked in a dock that enables accelerometer
850            // orientation management,
851            return true;
852        }
853        if (mUserRotationMode == USER_ROTATION_LOCKED) {
854            // If the setting for using the sensor by default is enabled, then
855            // we will always leave it on.  Note that the user could go to
856            // a window that forces an orientation that does not use the
857            // sensor and in theory we could turn it off... however, when next
858            // turning it on we won't have a good value for the current
859            // orientation for a little bit, which can cause orientation
860            // changes to lag, so we'd like to keep it always on.  (It will
861            // still be turned off when the screen is off.)
862            return false;
863        }
864        return mSupportAutoRotation;
865    }
866
867    /*
868     * Various use cases for invoking this function
869     * screen turning off, should always disable listeners if already enabled
870     * screen turned on and current app has sensor based orientation, enable listeners
871     * if not already enabled
872     * screen turned on and current app does not have sensor orientation, disable listeners if
873     * already enabled
874     * screen turning on and current app has sensor based orientation, enable listeners if needed
875     * screen turning on and current app has nosensor based orientation, do nothing
876     */
877    void updateOrientationListenerLp() {
878        if (!mOrientationListener.canDetectOrientation()) {
879            // If sensor is turned off or nonexistent for some reason
880            return;
881        }
882        // Could have been invoked due to screen turning on or off or
883        // change of the currently visible window's orientation.
884        if (localLOGV) Slog.v(TAG, "mScreenOnEarly=" + mScreenOnEarly
885                + ", mAwake=" + mAwake + ", mCurrentAppOrientation=" + mCurrentAppOrientation
886                + ", mOrientationSensorEnabled=" + mOrientationSensorEnabled
887                + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
888                + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
889        boolean disable = true;
890        // Note: We postpone the rotating of the screen until the keyguard as well as the
891        // window manager have reported a draw complete.
892        if (mScreenOnEarly && mAwake &&
893                mKeyguardDrawComplete && mWindowManagerDrawComplete) {
894            if (needSensorRunningLp()) {
895                disable = false;
896                //enable listener if not already enabled
897                if (!mOrientationSensorEnabled) {
898                    mOrientationListener.enable();
899                    if(localLOGV) Slog.v(TAG, "Enabling listeners");
900                    mOrientationSensorEnabled = true;
901                }
902            }
903        }
904        //check if sensors need to be disabled
905        if (disable && mOrientationSensorEnabled) {
906            mOrientationListener.disable();
907            if(localLOGV) Slog.v(TAG, "Disabling listeners");
908            mOrientationSensorEnabled = false;
909        }
910    }
911
912    private void interceptPowerKeyDown(KeyEvent event, boolean interactive) {
913        // Hold a wake lock until the power key is released.
914        if (!mPowerKeyWakeLock.isHeld()) {
915            mPowerKeyWakeLock.acquire();
916        }
917
918        // Cancel multi-press detection timeout.
919        if (mPowerKeyPressCounter != 0) {
920            mHandler.removeMessages(MSG_POWER_DELAYED_PRESS);
921        }
922
923        // Detect user pressing the power button in panic when an application has
924        // taken over the whole screen.
925        boolean panic = mImmersiveModeConfirmation.onPowerKeyDown(interactive,
926                SystemClock.elapsedRealtime(), isImmersiveMode(mLastSystemUiFlags));
927        if (panic) {
928            mHandler.post(mHiddenNavPanic);
929        }
930
931        // Latch power key state to detect screenshot chord.
932        if (interactive && !mScreenshotChordPowerKeyTriggered
933                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
934            mScreenshotChordPowerKeyTriggered = true;
935            mScreenshotChordPowerKeyTime = event.getDownTime();
936            interceptScreenshotChord();
937        }
938
939        // Stop ringing or end call if configured to do so when power is pressed.
940        TelecomManager telecomManager = getTelecommService();
941        boolean hungUp = false;
942        if (telecomManager != null) {
943            if (telecomManager.isRinging()) {
944                // Pressing Power while there's a ringing incoming
945                // call should silence the ringer.
946                telecomManager.silenceRinger();
947            } else if ((mIncallPowerBehavior
948                    & Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP) != 0
949                    && telecomManager.isInCall() && interactive) {
950                // Otherwise, if "Power button ends call" is enabled,
951                // the Power button will hang up any current active call.
952                hungUp = telecomManager.endCall();
953            }
954        }
955
956        GestureLauncherService gestureService = LocalServices.getService(
957                GestureLauncherService.class);
958        boolean gesturedServiceIntercepted = false;
959        if (gestureService != null) {
960            gesturedServiceIntercepted = gestureService.interceptPowerKeyDown(event, interactive);
961        }
962
963        // If the power key has still not yet been handled, then detect short
964        // press, long press, or multi press and decide what to do.
965        mPowerKeyHandled = hungUp || mScreenshotChordVolumeDownKeyTriggered
966                || mScreenshotChordVolumeUpKeyTriggered || gesturedServiceIntercepted;
967        if (!mPowerKeyHandled) {
968            if (interactive) {
969                // When interactive, we're already awake.
970                // Wait for a long press or for the button to be released to decide what to do.
971                if (hasLongPressOnPowerBehavior()) {
972                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
973                    msg.setAsynchronous(true);
974                    mHandler.sendMessageDelayed(msg,
975                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
976                }
977            } else {
978                wakeUpFromPowerKey(event.getDownTime());
979
980                if (mSupportLongPressPowerWhenNonInteractive && hasLongPressOnPowerBehavior()) {
981                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
982                    msg.setAsynchronous(true);
983                    mHandler.sendMessageDelayed(msg,
984                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
985                    mBeganFromNonInteractive = true;
986                } else {
987                    final int maxCount = getMaxMultiPressPowerCount();
988
989                    if (maxCount <= 1) {
990                        mPowerKeyHandled = true;
991                    } else {
992                        mBeganFromNonInteractive = true;
993                    }
994                }
995            }
996        }
997    }
998
999    private void interceptPowerKeyUp(KeyEvent event, boolean interactive, boolean canceled) {
1000        final boolean handled = canceled || mPowerKeyHandled;
1001        mScreenshotChordPowerKeyTriggered = false;
1002        cancelPendingScreenshotChordAction();
1003        cancelPendingPowerKeyAction();
1004
1005        if (!handled) {
1006            // Figure out how to handle the key now that it has been released.
1007            mPowerKeyPressCounter += 1;
1008
1009            final int maxCount = getMaxMultiPressPowerCount();
1010            final long eventTime = event.getDownTime();
1011            if (mPowerKeyPressCounter < maxCount) {
1012                // This could be a multi-press.  Wait a little bit longer to confirm.
1013                // Continue holding the wake lock.
1014                Message msg = mHandler.obtainMessage(MSG_POWER_DELAYED_PRESS,
1015                        interactive ? 1 : 0, mPowerKeyPressCounter, eventTime);
1016                msg.setAsynchronous(true);
1017                mHandler.sendMessageDelayed(msg, ViewConfiguration.getDoubleTapTimeout());
1018                return;
1019            }
1020
1021            // No other actions.  Handle it immediately.
1022            powerPress(eventTime, interactive, mPowerKeyPressCounter);
1023        }
1024
1025        // Done.  Reset our state.
1026        finishPowerKeyPress();
1027    }
1028
1029    private void finishPowerKeyPress() {
1030        mBeganFromNonInteractive = false;
1031        mPowerKeyPressCounter = 0;
1032        if (mPowerKeyWakeLock.isHeld()) {
1033            mPowerKeyWakeLock.release();
1034        }
1035    }
1036
1037    private void cancelPendingPowerKeyAction() {
1038        if (!mPowerKeyHandled) {
1039            mPowerKeyHandled = true;
1040            mHandler.removeMessages(MSG_POWER_LONG_PRESS);
1041        }
1042    }
1043
1044    private void powerPress(long eventTime, boolean interactive, int count) {
1045        if (mScreenOnEarly && !mScreenOnFully) {
1046            Slog.i(TAG, "Suppressed redundant power key press while "
1047                    + "already in the process of turning the screen on.");
1048            return;
1049        }
1050
1051        if (count == 2) {
1052            powerMultiPressAction(eventTime, interactive, mDoublePressOnPowerBehavior);
1053        } else if (count == 3) {
1054            powerMultiPressAction(eventTime, interactive, mTriplePressOnPowerBehavior);
1055        } else if (interactive && !mBeganFromNonInteractive) {
1056            switch (mShortPressOnPowerBehavior) {
1057                case SHORT_PRESS_POWER_NOTHING:
1058                    break;
1059                case SHORT_PRESS_POWER_GO_TO_SLEEP:
1060                    mPowerManager.goToSleep(eventTime,
1061                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1062                    break;
1063                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP:
1064                    mPowerManager.goToSleep(eventTime,
1065                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1066                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1067                    break;
1068                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME:
1069                    mPowerManager.goToSleep(eventTime,
1070                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1071                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1072                    launchHomeFromHotKey();
1073                    break;
1074                case SHORT_PRESS_POWER_GO_HOME:
1075                    launchHomeFromHotKey(true /* awakenFromDreams */, false /*respectKeyguard*/);
1076                    break;
1077            }
1078        }
1079    }
1080
1081    private void powerMultiPressAction(long eventTime, boolean interactive, int behavior) {
1082        switch (behavior) {
1083            case MULTI_PRESS_POWER_NOTHING:
1084                break;
1085            case MULTI_PRESS_POWER_THEATER_MODE:
1086                if (!isUserSetupComplete()) {
1087                    Slog.i(TAG, "Ignoring toggling theater mode - device not setup.");
1088                    break;
1089                }
1090
1091                if (isTheaterModeEnabled()) {
1092                    Slog.i(TAG, "Toggling theater mode off.");
1093                    Settings.Global.putInt(mContext.getContentResolver(),
1094                            Settings.Global.THEATER_MODE_ON, 0);
1095                    if (!interactive) {
1096                        wakeUpFromPowerKey(eventTime);
1097                    }
1098                } else {
1099                    Slog.i(TAG, "Toggling theater mode on.");
1100                    Settings.Global.putInt(mContext.getContentResolver(),
1101                            Settings.Global.THEATER_MODE_ON, 1);
1102
1103                    if (mGoToSleepOnButtonPressTheaterMode && interactive) {
1104                        mPowerManager.goToSleep(eventTime,
1105                                PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1106                    }
1107                }
1108                break;
1109            case MULTI_PRESS_POWER_BRIGHTNESS_BOOST:
1110                Slog.i(TAG, "Starting brightness boost.");
1111                if (!interactive) {
1112                    wakeUpFromPowerKey(eventTime);
1113                }
1114                mPowerManager.boostScreenBrightness(eventTime);
1115                break;
1116        }
1117    }
1118
1119    private int getMaxMultiPressPowerCount() {
1120        if (mTriplePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1121            return 3;
1122        }
1123        if (mDoublePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1124            return 2;
1125        }
1126        return 1;
1127    }
1128
1129    private void powerLongPress() {
1130        final int behavior = getResolvedLongPressOnPowerBehavior();
1131        switch (behavior) {
1132        case LONG_PRESS_POWER_NOTHING:
1133            break;
1134        case LONG_PRESS_POWER_GLOBAL_ACTIONS:
1135            mPowerKeyHandled = true;
1136            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1137                performAuditoryFeedbackForAccessibilityIfNeed();
1138            }
1139            showGlobalActionsInternal();
1140            break;
1141        case LONG_PRESS_POWER_SHUT_OFF:
1142        case LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM:
1143            mPowerKeyHandled = true;
1144            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1145            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1146            mWindowManagerFuncs.shutdown(behavior == LONG_PRESS_POWER_SHUT_OFF);
1147            break;
1148        }
1149    }
1150
1151    private void sleepPress(long eventTime) {
1152        if (mShortPressOnSleepBehavior == SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME) {
1153            launchHomeFromHotKey(false /* awakenDreams */, true /*respectKeyguard*/);
1154        }
1155    }
1156
1157    private void sleepRelease(long eventTime) {
1158        switch (mShortPressOnSleepBehavior) {
1159            case SHORT_PRESS_SLEEP_GO_TO_SLEEP:
1160            case SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME:
1161                Slog.i(TAG, "sleepRelease() calling goToSleep(GO_TO_SLEEP_REASON_SLEEP_BUTTON)");
1162                mPowerManager.goToSleep(eventTime,
1163                       PowerManager.GO_TO_SLEEP_REASON_SLEEP_BUTTON, 0);
1164                break;
1165        }
1166    }
1167
1168    private int getResolvedLongPressOnPowerBehavior() {
1169        if (FactoryTest.isLongPressOnPowerOffEnabled()) {
1170            return LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;
1171        }
1172        return mLongPressOnPowerBehavior;
1173    }
1174
1175    private boolean hasLongPressOnPowerBehavior() {
1176        return getResolvedLongPressOnPowerBehavior() != LONG_PRESS_POWER_NOTHING;
1177    }
1178
1179    private void interceptScreenshotChord() {
1180        if (mScreenshotChordEnabled
1181                && mScreenshotChordVolumeDownKeyTriggered && mScreenshotChordPowerKeyTriggered
1182                && !mScreenshotChordVolumeUpKeyTriggered) {
1183            final long now = SystemClock.uptimeMillis();
1184            if (now <= mScreenshotChordVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS
1185                    && now <= mScreenshotChordPowerKeyTime
1186                            + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS) {
1187                mScreenshotChordVolumeDownKeyConsumed = true;
1188                cancelPendingPowerKeyAction();
1189
1190                mHandler.postDelayed(mScreenshotRunnable, getScreenshotChordLongPressDelay());
1191            }
1192        }
1193    }
1194
1195    private long getScreenshotChordLongPressDelay() {
1196        if (mKeyguardDelegate.isShowing()) {
1197            // Double the time it takes to take a screenshot from the keyguard
1198            return (long) (KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER *
1199                    ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1200        }
1201        return ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout();
1202    }
1203
1204    private void cancelPendingScreenshotChordAction() {
1205        mHandler.removeCallbacks(mScreenshotRunnable);
1206    }
1207
1208    private final Runnable mEndCallLongPress = new Runnable() {
1209        @Override
1210        public void run() {
1211            mEndCallKeyHandled = true;
1212            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1213                performAuditoryFeedbackForAccessibilityIfNeed();
1214            }
1215            showGlobalActionsInternal();
1216        }
1217    };
1218
1219    private final Runnable mScreenshotRunnable = new Runnable() {
1220        @Override
1221        public void run() {
1222            takeScreenshot();
1223        }
1224    };
1225
1226    @Override
1227    public void showGlobalActions() {
1228        mHandler.removeMessages(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1229        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1230    }
1231
1232    void showGlobalActionsInternal() {
1233        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1234        if (mGlobalActions == null) {
1235            mGlobalActions = new GlobalActions(mContext, mWindowManagerFuncs);
1236        }
1237        final boolean keyguardShowing = isKeyguardShowingAndNotOccluded();
1238        mGlobalActions.showDialog(keyguardShowing, isDeviceProvisioned());
1239        if (keyguardShowing) {
1240            // since it took two seconds of long press to bring this up,
1241            // poke the wake lock so they have some time to see the dialog.
1242            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
1243        }
1244    }
1245
1246    boolean isDeviceProvisioned() {
1247        return Settings.Global.getInt(
1248                mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0;
1249    }
1250
1251    boolean isUserSetupComplete() {
1252        return Settings.Secure.getIntForUser(mContext.getContentResolver(),
1253                Settings.Secure.USER_SETUP_COMPLETE, 0, UserHandle.USER_CURRENT) != 0;
1254    }
1255
1256    private void handleShortPressOnHome() {
1257        // Turn on the connected TV and switch HDMI input if we're a HDMI playback device.
1258        getHdmiControl().turnOnTv();
1259
1260        // If there's a dream running then use home to escape the dream
1261        // but don't actually go home.
1262        if (mDreamManagerInternal != null && mDreamManagerInternal.isDreaming()) {
1263            mDreamManagerInternal.stopDream(false /*immediate*/);
1264            return;
1265        }
1266
1267        // Go home!
1268        launchHomeFromHotKey();
1269    }
1270
1271    /**
1272     * Creates an accessor to HDMI control service that performs the operation of
1273     * turning on TV (optional) and switching input to us. If HDMI control service
1274     * is not available or we're not a HDMI playback device, the operation is no-op.
1275     */
1276    private HdmiControl getHdmiControl() {
1277        if (null == mHdmiControl) {
1278            HdmiControlManager manager = (HdmiControlManager) mContext.getSystemService(
1279                        Context.HDMI_CONTROL_SERVICE);
1280            HdmiPlaybackClient client = null;
1281            if (manager != null) {
1282                client = manager.getPlaybackClient();
1283            }
1284            mHdmiControl = new HdmiControl(client);
1285        }
1286        return mHdmiControl;
1287    }
1288
1289    private static class HdmiControl {
1290        private final HdmiPlaybackClient mClient;
1291
1292        private HdmiControl(HdmiPlaybackClient client) {
1293            mClient = client;
1294        }
1295
1296        public void turnOnTv() {
1297            if (mClient == null) {
1298                return;
1299            }
1300            mClient.oneTouchPlay(new OneTouchPlayCallback() {
1301                @Override
1302                public void onComplete(int result) {
1303                    if (result != HdmiControlManager.RESULT_SUCCESS) {
1304                        Log.w(TAG, "One touch play failed: " + result);
1305                    }
1306                }
1307            });
1308        }
1309    }
1310
1311    private void handleLongPressOnHome(int deviceId) {
1312        if (mLongPressOnHomeBehavior != LONG_PRESS_HOME_NOTHING) {
1313            mHomeConsumed = true;
1314            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1315
1316            if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI) {
1317                toggleRecentApps();
1318            } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_ASSIST) {
1319                launchAssistAction(null, deviceId);
1320            }
1321        }
1322    }
1323
1324    private void handleDoubleTapOnHome() {
1325        if (mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1326            mHomeConsumed = true;
1327            toggleRecentApps();
1328        }
1329    }
1330
1331    private final Runnable mHomeDoubleTapTimeoutRunnable = new Runnable() {
1332        @Override
1333        public void run() {
1334            if (mHomeDoubleTapPending) {
1335                mHomeDoubleTapPending = false;
1336                handleShortPressOnHome();
1337            }
1338        }
1339    };
1340
1341    private boolean isRoundWindow() {
1342        return mContext.getResources().getConfiguration().isScreenRound();
1343    }
1344
1345    /** {@inheritDoc} */
1346    @Override
1347    public void init(Context context, IWindowManager windowManager,
1348            WindowManagerFuncs windowManagerFuncs) {
1349        mContext = context;
1350        mWindowManager = windowManager;
1351        mWindowManagerFuncs = windowManagerFuncs;
1352        mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class);
1353        mActivityManagerInternal = LocalServices.getService(ActivityManagerInternal.class);
1354        mDreamManagerInternal = LocalServices.getService(DreamManagerInternal.class);
1355        mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class);
1356        mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
1357
1358        // Init display burn-in protection
1359        boolean burnInProtectionEnabled = context.getResources().getBoolean(
1360                com.android.internal.R.bool.config_enableBurnInProtection);
1361        // Allow a system property to override this. Used by developer settings.
1362        boolean burnInProtectionDevMode =
1363                SystemProperties.getBoolean("persist.debug.force_burn_in", false);
1364        if (burnInProtectionEnabled || burnInProtectionDevMode) {
1365            final int minHorizontal;
1366            final int maxHorizontal;
1367            final int minVertical;
1368            final int maxVertical;
1369            final int maxRadius;
1370            if (burnInProtectionDevMode) {
1371                minHorizontal = -8;
1372                maxHorizontal = 8;
1373                minVertical = -8;
1374                maxVertical = -4;
1375                maxRadius = (isRoundWindow()) ? 6 : -1;
1376            } else {
1377                Resources resources = context.getResources();
1378                minHorizontal = resources.getInteger(
1379                        com.android.internal.R.integer.config_burnInProtectionMinHorizontalOffset);
1380                maxHorizontal = resources.getInteger(
1381                        com.android.internal.R.integer.config_burnInProtectionMaxHorizontalOffset);
1382                minVertical = resources.getInteger(
1383                        com.android.internal.R.integer.config_burnInProtectionMinVerticalOffset);
1384                maxVertical = resources.getInteger(
1385                        com.android.internal.R.integer.config_burnInProtectionMaxVerticalOffset);
1386                maxRadius = resources.getInteger(
1387                        com.android.internal.R.integer.config_burnInProtectionMaxRadius);
1388            }
1389            mBurnInProtectionHelper = new BurnInProtectionHelper(
1390                    context, minHorizontal, maxHorizontal, minVertical, maxVertical, maxRadius);
1391        }
1392
1393        mHandler = new PolicyHandler();
1394        mWakeGestureListener = new MyWakeGestureListener(mContext, mHandler);
1395        mOrientationListener = new MyOrientationListener(mContext, mHandler);
1396        try {
1397            mOrientationListener.setCurrentRotation(windowManager.getRotation());
1398        } catch (RemoteException ex) { }
1399        mSettingsObserver = new SettingsObserver(mHandler);
1400        mSettingsObserver.observe();
1401        mShortcutManager = new ShortcutManager(context);
1402        mUiMode = context.getResources().getInteger(
1403                com.android.internal.R.integer.config_defaultUiModeType);
1404        mHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
1405        mHomeIntent.addCategory(Intent.CATEGORY_HOME);
1406        mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1407                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1408        mEnableCarDockHomeCapture = context.getResources().getBoolean(
1409                com.android.internal.R.bool.config_enableCarDockHomeLaunch);
1410        mCarDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1411        mCarDockIntent.addCategory(Intent.CATEGORY_CAR_DOCK);
1412        mCarDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1413                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1414        mDeskDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1415        mDeskDockIntent.addCategory(Intent.CATEGORY_DESK_DOCK);
1416        mDeskDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1417                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1418
1419        mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
1420        mBroadcastWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1421                "PhoneWindowManager.mBroadcastWakeLock");
1422        mPowerKeyWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1423                "PhoneWindowManager.mPowerKeyWakeLock");
1424        mEnableShiftMenuBugReports = "1".equals(SystemProperties.get("ro.debuggable"));
1425        mSupportAutoRotation = mContext.getResources().getBoolean(
1426                com.android.internal.R.bool.config_supportAutoRotation);
1427        mLidOpenRotation = readRotation(
1428                com.android.internal.R.integer.config_lidOpenRotation);
1429        mCarDockRotation = readRotation(
1430                com.android.internal.R.integer.config_carDockRotation);
1431        mDeskDockRotation = readRotation(
1432                com.android.internal.R.integer.config_deskDockRotation);
1433        mUndockedHdmiRotation = readRotation(
1434                com.android.internal.R.integer.config_undockedHdmiRotation);
1435        mCarDockEnablesAccelerometer = mContext.getResources().getBoolean(
1436                com.android.internal.R.bool.config_carDockEnablesAccelerometer);
1437        mDeskDockEnablesAccelerometer = mContext.getResources().getBoolean(
1438                com.android.internal.R.bool.config_deskDockEnablesAccelerometer);
1439        mLidKeyboardAccessibility = mContext.getResources().getInteger(
1440                com.android.internal.R.integer.config_lidKeyboardAccessibility);
1441        mLidNavigationAccessibility = mContext.getResources().getInteger(
1442                com.android.internal.R.integer.config_lidNavigationAccessibility);
1443        mLidControlsSleep = mContext.getResources().getBoolean(
1444                com.android.internal.R.bool.config_lidControlsSleep);
1445        mTranslucentDecorEnabled = mContext.getResources().getBoolean(
1446                com.android.internal.R.bool.config_enableTranslucentDecor);
1447
1448        mAllowTheaterModeWakeFromKey = mContext.getResources().getBoolean(
1449                com.android.internal.R.bool.config_allowTheaterModeWakeFromKey);
1450        mAllowTheaterModeWakeFromPowerKey = mAllowTheaterModeWakeFromKey
1451                || mContext.getResources().getBoolean(
1452                    com.android.internal.R.bool.config_allowTheaterModeWakeFromPowerKey);
1453        mAllowTheaterModeWakeFromMotion = mContext.getResources().getBoolean(
1454                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotion);
1455        mAllowTheaterModeWakeFromMotionWhenNotDreaming = mContext.getResources().getBoolean(
1456                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotionWhenNotDreaming);
1457        mAllowTheaterModeWakeFromCameraLens = mContext.getResources().getBoolean(
1458                com.android.internal.R.bool.config_allowTheaterModeWakeFromCameraLens);
1459        mAllowTheaterModeWakeFromLidSwitch = mContext.getResources().getBoolean(
1460                com.android.internal.R.bool.config_allowTheaterModeWakeFromLidSwitch);
1461        mAllowTheaterModeWakeFromWakeGesture = mContext.getResources().getBoolean(
1462                com.android.internal.R.bool.config_allowTheaterModeWakeFromGesture);
1463
1464        mGoToSleepOnButtonPressTheaterMode = mContext.getResources().getBoolean(
1465                com.android.internal.R.bool.config_goToSleepOnButtonPressTheaterMode);
1466
1467        mSupportLongPressPowerWhenNonInteractive = mContext.getResources().getBoolean(
1468                com.android.internal.R.bool.config_supportLongPressPowerWhenNonInteractive);
1469
1470        mShortPressOnPowerBehavior = mContext.getResources().getInteger(
1471                com.android.internal.R.integer.config_shortPressOnPowerBehavior);
1472        mLongPressOnPowerBehavior = mContext.getResources().getInteger(
1473                com.android.internal.R.integer.config_longPressOnPowerBehavior);
1474        mDoublePressOnPowerBehavior = mContext.getResources().getInteger(
1475                com.android.internal.R.integer.config_doublePressOnPowerBehavior);
1476        mTriplePressOnPowerBehavior = mContext.getResources().getInteger(
1477                com.android.internal.R.integer.config_triplePressOnPowerBehavior);
1478        mShortPressOnSleepBehavior = mContext.getResources().getInteger(
1479                com.android.internal.R.integer.config_shortPressOnSleepBehavior);
1480
1481        mUseTvRouting = AudioSystem.getPlatformType(mContext) == AudioSystem.PLATFORM_TELEVISION;
1482
1483        readConfigurationDependentBehaviors();
1484
1485        mAccessibilityManager = (AccessibilityManager) context.getSystemService(
1486                Context.ACCESSIBILITY_SERVICE);
1487
1488        // register for dock events
1489        IntentFilter filter = new IntentFilter();
1490        filter.addAction(UiModeManager.ACTION_ENTER_CAR_MODE);
1491        filter.addAction(UiModeManager.ACTION_EXIT_CAR_MODE);
1492        filter.addAction(UiModeManager.ACTION_ENTER_DESK_MODE);
1493        filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
1494        filter.addAction(Intent.ACTION_DOCK_EVENT);
1495        Intent intent = context.registerReceiver(mDockReceiver, filter);
1496        if (intent != null) {
1497            // Retrieve current sticky dock event broadcast.
1498            mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
1499                    Intent.EXTRA_DOCK_STATE_UNDOCKED);
1500        }
1501
1502        // register for dream-related broadcasts
1503        filter = new IntentFilter();
1504        filter.addAction(Intent.ACTION_DREAMING_STARTED);
1505        filter.addAction(Intent.ACTION_DREAMING_STOPPED);
1506        context.registerReceiver(mDreamReceiver, filter);
1507
1508        // register for multiuser-relevant broadcasts
1509        filter = new IntentFilter(Intent.ACTION_USER_SWITCHED);
1510        context.registerReceiver(mMultiuserReceiver, filter);
1511
1512        // monitor for system gestures
1513        mSystemGestures = new SystemGesturesPointerEventListener(context,
1514                new SystemGesturesPointerEventListener.Callbacks() {
1515                    @Override
1516                    public void onSwipeFromTop() {
1517                        if (mStatusBar != null) {
1518                            requestTransientBars(mStatusBar);
1519                        }
1520                    }
1521                    @Override
1522                    public void onSwipeFromBottom() {
1523                        if (mNavigationBar != null && mNavigationBarOnBottom) {
1524                            requestTransientBars(mNavigationBar);
1525                        }
1526                    }
1527                    @Override
1528                    public void onSwipeFromRight() {
1529                        if (mNavigationBar != null && !mNavigationBarOnBottom) {
1530                            requestTransientBars(mNavigationBar);
1531                        }
1532                    }
1533                    @Override
1534                    public void onFling(int duration) {
1535                        if (mPowerManagerInternal != null) {
1536                            mPowerManagerInternal.powerHint(
1537                                    PowerManagerInternal.POWER_HINT_INTERACTION, duration);
1538                        }
1539                    }
1540                    @Override
1541                    public void onDebug() {
1542                        // no-op
1543                    }
1544                    @Override
1545                    public void onDown() {
1546                        mOrientationListener.onTouchStart();
1547                    }
1548                    @Override
1549                    public void onUpOrCancel() {
1550                        mOrientationListener.onTouchEnd();
1551                    }
1552                    @Override
1553                    public void onMouseHoverAtTop() {
1554                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1555                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
1556                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS;
1557                        mHandler.sendMessageDelayed(msg, 500);
1558                    }
1559                    @Override
1560                    public void onMouseHoverAtBottom() {
1561                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1562                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
1563                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION;
1564                        mHandler.sendMessageDelayed(msg, 500);
1565                    }
1566                    @Override
1567                    public void onMouseLeaveFromEdge() {
1568                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1569                    }
1570                });
1571        mImmersiveModeConfirmation = new ImmersiveModeConfirmation(mContext);
1572        mWindowManagerFuncs.registerPointerEventListener(mSystemGestures);
1573
1574        mVibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE);
1575        mLongPressVibePattern = getLongIntArray(mContext.getResources(),
1576                com.android.internal.R.array.config_longPressVibePattern);
1577        mVirtualKeyVibePattern = getLongIntArray(mContext.getResources(),
1578                com.android.internal.R.array.config_virtualKeyVibePattern);
1579        mKeyboardTapVibePattern = getLongIntArray(mContext.getResources(),
1580                com.android.internal.R.array.config_keyboardTapVibePattern);
1581        mClockTickVibePattern = getLongIntArray(mContext.getResources(),
1582                com.android.internal.R.array.config_clockTickVibePattern);
1583        mCalendarDateVibePattern = getLongIntArray(mContext.getResources(),
1584                com.android.internal.R.array.config_calendarDateVibePattern);
1585        mSafeModeDisabledVibePattern = getLongIntArray(mContext.getResources(),
1586                com.android.internal.R.array.config_safeModeDisabledVibePattern);
1587        mSafeModeEnabledVibePattern = getLongIntArray(mContext.getResources(),
1588                com.android.internal.R.array.config_safeModeEnabledVibePattern);
1589        mContextClickVibePattern = getLongIntArray(mContext.getResources(),
1590                com.android.internal.R.array.config_contextClickVibePattern);
1591
1592        mScreenshotChordEnabled = mContext.getResources().getBoolean(
1593                com.android.internal.R.bool.config_enableScreenshotChord);
1594        mForceWindowDrawsStatusBarBackground = mContext.getResources().getBoolean(
1595                R.bool.config_forceWindowDrawsStatusBarBackground);
1596
1597        mGlobalKeyManager = new GlobalKeyManager(mContext);
1598
1599        // Controls rotation and the like.
1600        initializeHdmiState();
1601
1602        // Match current screen state.
1603        if (!mPowerManager.isInteractive()) {
1604            startedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1605            finishedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1606        }
1607
1608        mWindowManagerInternal.registerAppTransitionListener(
1609                mStatusBarController.getAppTransitionListener());
1610    }
1611
1612    /**
1613     * Read values from config.xml that may be overridden depending on
1614     * the configuration of the device.
1615     * eg. Disable long press on home goes to recents on sw600dp.
1616     */
1617    private void readConfigurationDependentBehaviors() {
1618        mLongPressOnHomeBehavior = mContext.getResources().getInteger(
1619                com.android.internal.R.integer.config_longPressOnHomeBehavior);
1620        if (mLongPressOnHomeBehavior < LONG_PRESS_HOME_NOTHING ||
1621                mLongPressOnHomeBehavior > LONG_PRESS_HOME_ASSIST) {
1622            mLongPressOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1623        }
1624
1625        mDoubleTapOnHomeBehavior = mContext.getResources().getInteger(
1626                com.android.internal.R.integer.config_doubleTapOnHomeBehavior);
1627        if (mDoubleTapOnHomeBehavior < DOUBLE_TAP_HOME_NOTHING ||
1628                mDoubleTapOnHomeBehavior > DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1629            mDoubleTapOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1630        }
1631    }
1632
1633    @Override
1634    public void setInitialDisplaySize(Display display, int width, int height, int density) {
1635        // This method might be called before the policy has been fully initialized
1636        // or for other displays we don't care about.
1637        if (mContext == null || display.getDisplayId() != Display.DEFAULT_DISPLAY) {
1638            return;
1639        }
1640        mDisplay = display;
1641
1642        final Resources res = mContext.getResources();
1643        int shortSize, longSize;
1644        if (width > height) {
1645            shortSize = height;
1646            longSize = width;
1647            mLandscapeRotation = Surface.ROTATION_0;
1648            mSeascapeRotation = Surface.ROTATION_180;
1649            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1650                mPortraitRotation = Surface.ROTATION_90;
1651                mUpsideDownRotation = Surface.ROTATION_270;
1652            } else {
1653                mPortraitRotation = Surface.ROTATION_270;
1654                mUpsideDownRotation = Surface.ROTATION_90;
1655            }
1656        } else {
1657            shortSize = width;
1658            longSize = height;
1659            mPortraitRotation = Surface.ROTATION_0;
1660            mUpsideDownRotation = Surface.ROTATION_180;
1661            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1662                mLandscapeRotation = Surface.ROTATION_270;
1663                mSeascapeRotation = Surface.ROTATION_90;
1664            } else {
1665                mLandscapeRotation = Surface.ROTATION_90;
1666                mSeascapeRotation = Surface.ROTATION_270;
1667            }
1668        }
1669
1670        mStatusBarHeight =
1671                res.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
1672
1673        // Height of the navigation bar when presented horizontally at bottom
1674        mNavigationBarHeightForRotation[mPortraitRotation] =
1675        mNavigationBarHeightForRotation[mUpsideDownRotation] =
1676                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_height);
1677        mNavigationBarHeightForRotation[mLandscapeRotation] =
1678        mNavigationBarHeightForRotation[mSeascapeRotation] = res.getDimensionPixelSize(
1679                com.android.internal.R.dimen.navigation_bar_height_landscape);
1680
1681        // Width of the navigation bar when presented vertically along one side
1682        mNavigationBarWidthForRotation[mPortraitRotation] =
1683        mNavigationBarWidthForRotation[mUpsideDownRotation] =
1684        mNavigationBarWidthForRotation[mLandscapeRotation] =
1685        mNavigationBarWidthForRotation[mSeascapeRotation] =
1686                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_width);
1687
1688        // SystemUI (status bar) layout policy
1689        int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT / density;
1690        int longSizeDp = longSize * DisplayMetrics.DENSITY_DEFAULT / density;
1691
1692        // Allow the navigation bar to move on non-square small devices (phones).
1693        mNavigationBarCanMove = width != height && shortSizeDp < 600;
1694
1695        mHasNavigationBar = res.getBoolean(com.android.internal.R.bool.config_showNavigationBar);
1696        // Allow a system property to override this. Used by the emulator.
1697        // See also hasNavigationBar().
1698        String navBarOverride = SystemProperties.get("qemu.hw.mainkeys");
1699        if ("1".equals(navBarOverride)) {
1700            mHasNavigationBar = false;
1701        } else if ("0".equals(navBarOverride)) {
1702            mHasNavigationBar = true;
1703        }
1704
1705        // For demo purposes, allow the rotation of the HDMI display to be controlled.
1706        // By default, HDMI locks rotation to landscape.
1707        if ("portrait".equals(SystemProperties.get("persist.demo.hdmirotation"))) {
1708            mDemoHdmiRotation = mPortraitRotation;
1709        } else {
1710            mDemoHdmiRotation = mLandscapeRotation;
1711        }
1712        mDemoHdmiRotationLock = SystemProperties.getBoolean("persist.demo.hdmirotationlock", false);
1713
1714        // For demo purposes, allow the rotation of the remote display to be controlled.
1715        // By default, remote display locks rotation to landscape.
1716        if ("portrait".equals(SystemProperties.get("persist.demo.remoterotation"))) {
1717            mDemoRotation = mPortraitRotation;
1718        } else {
1719            mDemoRotation = mLandscapeRotation;
1720        }
1721        mDemoRotationLock = SystemProperties.getBoolean(
1722                "persist.demo.rotationlock", false);
1723
1724        // Only force the default orientation if the screen is xlarge, at least 960dp x 720dp, per
1725        // http://developer.android.com/guide/practices/screens_support.html#range
1726        mForceDefaultOrientation = longSizeDp >= 960 && shortSizeDp >= 720 &&
1727                res.getBoolean(com.android.internal.R.bool.config_forceDefaultOrientation) &&
1728                // For debug purposes the next line turns this feature off with:
1729                // $ adb shell setprop config.override_forced_orient true
1730                // $ adb shell wm size reset
1731                !"true".equals(SystemProperties.get("config.override_forced_orient"));
1732    }
1733
1734    /**
1735     * @return whether the navigation bar can be hidden, e.g. the device has a
1736     *         navigation bar and touch exploration is not enabled
1737     */
1738    private boolean canHideNavigationBar() {
1739        return mHasNavigationBar;
1740    }
1741
1742    @Override
1743    public boolean isDefaultOrientationForced() {
1744        return mForceDefaultOrientation;
1745    }
1746
1747    @Override
1748    public void setDisplayOverscan(Display display, int left, int top, int right, int bottom) {
1749        if (display.getDisplayId() == Display.DEFAULT_DISPLAY) {
1750            mOverscanLeft = left;
1751            mOverscanTop = top;
1752            mOverscanRight = right;
1753            mOverscanBottom = bottom;
1754        }
1755    }
1756
1757    public void updateSettings() {
1758        ContentResolver resolver = mContext.getContentResolver();
1759        boolean updateRotation = false;
1760        synchronized (mLock) {
1761            mEndcallBehavior = Settings.System.getIntForUser(resolver,
1762                    Settings.System.END_BUTTON_BEHAVIOR,
1763                    Settings.System.END_BUTTON_BEHAVIOR_DEFAULT,
1764                    UserHandle.USER_CURRENT);
1765            mIncallPowerBehavior = Settings.Secure.getIntForUser(resolver,
1766                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
1767                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT,
1768                    UserHandle.USER_CURRENT);
1769
1770            // Configure wake gesture.
1771            boolean wakeGestureEnabledSetting = Settings.Secure.getIntForUser(resolver,
1772                    Settings.Secure.WAKE_GESTURE_ENABLED, 0,
1773                    UserHandle.USER_CURRENT) != 0;
1774            if (mWakeGestureEnabledSetting != wakeGestureEnabledSetting) {
1775                mWakeGestureEnabledSetting = wakeGestureEnabledSetting;
1776                updateWakeGestureListenerLp();
1777            }
1778
1779            // Configure rotation lock.
1780            int userRotation = Settings.System.getIntForUser(resolver,
1781                    Settings.System.USER_ROTATION, Surface.ROTATION_0,
1782                    UserHandle.USER_CURRENT);
1783            if (mUserRotation != userRotation) {
1784                mUserRotation = userRotation;
1785                updateRotation = true;
1786            }
1787            int userRotationMode = Settings.System.getIntForUser(resolver,
1788                    Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
1789                            WindowManagerPolicy.USER_ROTATION_FREE :
1790                                    WindowManagerPolicy.USER_ROTATION_LOCKED;
1791            if (mUserRotationMode != userRotationMode) {
1792                mUserRotationMode = userRotationMode;
1793                updateRotation = true;
1794                updateOrientationListenerLp();
1795            }
1796
1797            if (mSystemReady) {
1798                int pointerLocation = Settings.System.getIntForUser(resolver,
1799                        Settings.System.POINTER_LOCATION, 0, UserHandle.USER_CURRENT);
1800                if (mPointerLocationMode != pointerLocation) {
1801                    mPointerLocationMode = pointerLocation;
1802                    mHandler.sendEmptyMessage(pointerLocation != 0 ?
1803                            MSG_ENABLE_POINTER_LOCATION : MSG_DISABLE_POINTER_LOCATION);
1804                }
1805            }
1806            // use screen off timeout setting as the timeout for the lockscreen
1807            mLockScreenTimeout = Settings.System.getIntForUser(resolver,
1808                    Settings.System.SCREEN_OFF_TIMEOUT, 0, UserHandle.USER_CURRENT);
1809            String imId = Settings.Secure.getStringForUser(resolver,
1810                    Settings.Secure.DEFAULT_INPUT_METHOD, UserHandle.USER_CURRENT);
1811            boolean hasSoftInput = imId != null && imId.length() > 0;
1812            if (mHasSoftInput != hasSoftInput) {
1813                mHasSoftInput = hasSoftInput;
1814                updateRotation = true;
1815            }
1816            if (mImmersiveModeConfirmation != null) {
1817                mImmersiveModeConfirmation.loadSetting(mCurrentUserId);
1818            }
1819        }
1820        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
1821            PolicyControl.reloadFromSetting(mContext);
1822        }
1823        if (updateRotation) {
1824            updateRotation(true);
1825        }
1826    }
1827
1828    private void updateWakeGestureListenerLp() {
1829        if (shouldEnableWakeGestureLp()) {
1830            mWakeGestureListener.requestWakeUpTrigger();
1831        } else {
1832            mWakeGestureListener.cancelWakeUpTrigger();
1833        }
1834    }
1835
1836    private boolean shouldEnableWakeGestureLp() {
1837        return mWakeGestureEnabledSetting && !mAwake
1838                && (!mLidControlsSleep || mLidState != LID_CLOSED)
1839                && mWakeGestureListener.isSupported();
1840    }
1841
1842    private void enablePointerLocation() {
1843        if (mPointerLocationView == null) {
1844            mPointerLocationView = new PointerLocationView(mContext);
1845            mPointerLocationView.setPrintCoords(false);
1846            WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
1847                    WindowManager.LayoutParams.MATCH_PARENT,
1848                    WindowManager.LayoutParams.MATCH_PARENT);
1849            lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
1850            lp.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN
1851                    | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
1852                    | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
1853                    | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
1854            if (ActivityManager.isHighEndGfx()) {
1855                lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
1856                lp.privateFlags |=
1857                        WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED;
1858            }
1859            lp.format = PixelFormat.TRANSLUCENT;
1860            lp.setTitle("PointerLocation");
1861            WindowManager wm = (WindowManager)
1862                    mContext.getSystemService(Context.WINDOW_SERVICE);
1863            lp.inputFeatures |= WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL;
1864            wm.addView(mPointerLocationView, lp);
1865            mWindowManagerFuncs.registerPointerEventListener(mPointerLocationView);
1866        }
1867    }
1868
1869    private void disablePointerLocation() {
1870        if (mPointerLocationView != null) {
1871            mWindowManagerFuncs.unregisterPointerEventListener(mPointerLocationView);
1872            WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
1873            wm.removeView(mPointerLocationView);
1874            mPointerLocationView = null;
1875        }
1876    }
1877
1878    private int readRotation(int resID) {
1879        try {
1880            int rotation = mContext.getResources().getInteger(resID);
1881            switch (rotation) {
1882                case 0:
1883                    return Surface.ROTATION_0;
1884                case 90:
1885                    return Surface.ROTATION_90;
1886                case 180:
1887                    return Surface.ROTATION_180;
1888                case 270:
1889                    return Surface.ROTATION_270;
1890            }
1891        } catch (Resources.NotFoundException e) {
1892            // fall through
1893        }
1894        return -1;
1895    }
1896
1897    /** {@inheritDoc} */
1898    @Override
1899    public int checkAddPermission(WindowManager.LayoutParams attrs, int[] outAppOp) {
1900        int type = attrs.type;
1901
1902        outAppOp[0] = AppOpsManager.OP_NONE;
1903
1904        if (!((type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW)
1905                || (type >= FIRST_SUB_WINDOW && type <= LAST_SUB_WINDOW)
1906                || (type >= FIRST_SYSTEM_WINDOW && type <= LAST_SYSTEM_WINDOW))) {
1907            return WindowManagerGlobal.ADD_INVALID_TYPE;
1908        }
1909
1910        if (type < FIRST_SYSTEM_WINDOW || type > LAST_SYSTEM_WINDOW) {
1911            // Window manager will make sure these are okay.
1912            return WindowManagerGlobal.ADD_OKAY;
1913        }
1914        String permission = null;
1915        switch (type) {
1916            case TYPE_TOAST:
1917                // XXX right now the app process has complete control over
1918                // this...  should introduce a token to let the system
1919                // monitor/control what they are doing.
1920                outAppOp[0] = AppOpsManager.OP_TOAST_WINDOW;
1921                break;
1922            case TYPE_DREAM:
1923            case TYPE_INPUT_METHOD:
1924            case TYPE_WALLPAPER:
1925            case TYPE_PRIVATE_PRESENTATION:
1926            case TYPE_VOICE_INTERACTION:
1927            case TYPE_ACCESSIBILITY_OVERLAY:
1928            case TYPE_QS_DIALOG:
1929                // The window manager will check these.
1930                break;
1931            case TYPE_PHONE:
1932            case TYPE_PRIORITY_PHONE:
1933            case TYPE_SYSTEM_ALERT:
1934            case TYPE_SYSTEM_ERROR:
1935            case TYPE_SYSTEM_OVERLAY:
1936                permission = android.Manifest.permission.SYSTEM_ALERT_WINDOW;
1937                outAppOp[0] = AppOpsManager.OP_SYSTEM_ALERT_WINDOW;
1938                break;
1939            default:
1940                permission = android.Manifest.permission.INTERNAL_SYSTEM_WINDOW;
1941        }
1942        if (permission != null) {
1943            if (permission == android.Manifest.permission.SYSTEM_ALERT_WINDOW) {
1944                final int callingUid = Binder.getCallingUid();
1945                // system processes will be automatically allowed privilege to draw
1946                if (callingUid == Process.SYSTEM_UID) {
1947                    return WindowManagerGlobal.ADD_OKAY;
1948                }
1949
1950                // check if user has enabled this operation. SecurityException will be thrown if
1951                // this app has not been allowed by the user
1952                final int mode = mAppOpsManager.checkOp(outAppOp[0], callingUid,
1953                        attrs.packageName);
1954                switch (mode) {
1955                    case AppOpsManager.MODE_ALLOWED:
1956                    case AppOpsManager.MODE_IGNORED:
1957                        // although we return ADD_OKAY for MODE_IGNORED, the added window will
1958                        // actually be hidden in WindowManagerService
1959                        return WindowManagerGlobal.ADD_OKAY;
1960                    case AppOpsManager.MODE_ERRORED:
1961                        return WindowManagerGlobal.ADD_PERMISSION_DENIED;
1962                    default:
1963                        // in the default mode, we will make a decision here based on
1964                        // checkCallingPermission()
1965                        if (mContext.checkCallingPermission(permission) !=
1966                                PackageManager.PERMISSION_GRANTED) {
1967                            return WindowManagerGlobal.ADD_PERMISSION_DENIED;
1968                        } else {
1969                            return WindowManagerGlobal.ADD_OKAY;
1970                        }
1971                }
1972            }
1973
1974            if (mContext.checkCallingOrSelfPermission(permission)
1975                    != PackageManager.PERMISSION_GRANTED) {
1976                return WindowManagerGlobal.ADD_PERMISSION_DENIED;
1977            }
1978        }
1979        return WindowManagerGlobal.ADD_OKAY;
1980    }
1981
1982    @Override
1983    public boolean checkShowToOwnerOnly(WindowManager.LayoutParams attrs) {
1984
1985        // If this switch statement is modified, modify the comment in the declarations of
1986        // the type in {@link WindowManager.LayoutParams} as well.
1987        switch (attrs.type) {
1988            default:
1989                // These are the windows that by default are shown only to the user that created
1990                // them. If this needs to be overridden, set
1991                // {@link WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS} in
1992                // {@link WindowManager.LayoutParams}. Note that permission
1993                // {@link android.Manifest.permission.INTERNAL_SYSTEM_WINDOW} is required as well.
1994                if ((attrs.privateFlags & PRIVATE_FLAG_SHOW_FOR_ALL_USERS) == 0) {
1995                    return true;
1996                }
1997                break;
1998
1999            // These are the windows that by default are shown to all users. However, to
2000            // protect against spoofing, check permissions below.
2001            case TYPE_APPLICATION_STARTING:
2002            case TYPE_BOOT_PROGRESS:
2003            case TYPE_DISPLAY_OVERLAY:
2004            case TYPE_INPUT_CONSUMER:
2005            case TYPE_KEYGUARD_SCRIM:
2006            case TYPE_KEYGUARD_DIALOG:
2007            case TYPE_MAGNIFICATION_OVERLAY:
2008            case TYPE_NAVIGATION_BAR:
2009            case TYPE_NAVIGATION_BAR_PANEL:
2010            case TYPE_PHONE:
2011            case TYPE_POINTER:
2012            case TYPE_PRIORITY_PHONE:
2013            case TYPE_SEARCH_BAR:
2014            case TYPE_STATUS_BAR:
2015            case TYPE_STATUS_BAR_PANEL:
2016            case TYPE_STATUS_BAR_SUB_PANEL:
2017            case TYPE_SYSTEM_DIALOG:
2018            case TYPE_VOLUME_OVERLAY:
2019            case TYPE_PRIVATE_PRESENTATION:
2020            case TYPE_DOCK_DIVIDER:
2021                break;
2022        }
2023
2024        // Check if third party app has set window to system window type.
2025        return mContext.checkCallingOrSelfPermission(
2026                android.Manifest.permission.INTERNAL_SYSTEM_WINDOW)
2027                        != PackageManager.PERMISSION_GRANTED;
2028    }
2029
2030    @Override
2031    public void adjustWindowParamsLw(WindowManager.LayoutParams attrs) {
2032        switch (attrs.type) {
2033            case TYPE_SYSTEM_OVERLAY:
2034            case TYPE_SECURE_SYSTEM_OVERLAY:
2035                // These types of windows can't receive input events.
2036                attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
2037                        | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
2038                attrs.flags &= ~WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
2039                break;
2040            case TYPE_STATUS_BAR:
2041
2042                // If the Keyguard is in a hidden state (occluded by another window), we force to
2043                // remove the wallpaper and keyguard flag so that any change in-flight after setting
2044                // the keyguard as occluded wouldn't set these flags again.
2045                // See {@link #processKeyguardSetHiddenResultLw}.
2046                if (mKeyguardHidden) {
2047                    attrs.flags &= ~WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
2048                    attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2049                }
2050                break;
2051        }
2052
2053        if (attrs.type != TYPE_STATUS_BAR) {
2054            // The status bar is the only window allowed to exhibit keyguard behavior.
2055            attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2056        }
2057
2058        if (ActivityManager.isHighEndGfx()) {
2059            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0) {
2060                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
2061            }
2062            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0
2063                    || mForceWindowDrawsStatusBarBackground) {
2064                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
2065            }
2066        }
2067    }
2068
2069    void readLidState() {
2070        mLidState = mWindowManagerFuncs.getLidState();
2071    }
2072
2073    private void readCameraLensCoverState() {
2074        mCameraLensCoverState = mWindowManagerFuncs.getCameraLensCoverState();
2075    }
2076
2077    private boolean isHidden(int accessibilityMode) {
2078        switch (accessibilityMode) {
2079            case 1:
2080                return mLidState == LID_CLOSED;
2081            case 2:
2082                return mLidState == LID_OPEN;
2083            default:
2084                return false;
2085        }
2086    }
2087
2088    /** {@inheritDoc} */
2089    @Override
2090    public void adjustConfigurationLw(Configuration config, int keyboardPresence,
2091            int navigationPresence) {
2092        mHaveBuiltInKeyboard = (keyboardPresence & PRESENCE_INTERNAL) != 0;
2093
2094        readConfigurationDependentBehaviors();
2095        readLidState();
2096        applyLidSwitchState();
2097
2098        if (config.keyboard == Configuration.KEYBOARD_NOKEYS
2099                || (keyboardPresence == PRESENCE_INTERNAL
2100                        && isHidden(mLidKeyboardAccessibility))) {
2101            config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_YES;
2102            if (!mHasSoftInput) {
2103                config.keyboardHidden = Configuration.KEYBOARDHIDDEN_YES;
2104            }
2105        }
2106
2107        if (config.navigation == Configuration.NAVIGATION_NONAV
2108                || (navigationPresence == PRESENCE_INTERNAL
2109                        && isHidden(mLidNavigationAccessibility))) {
2110            config.navigationHidden = Configuration.NAVIGATIONHIDDEN_YES;
2111        }
2112    }
2113
2114    /** {@inheritDoc} */
2115    @Override
2116    public int windowTypeToLayerLw(int type) {
2117        if (type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW) {
2118            return 2;
2119        }
2120        switch (type) {
2121        case TYPE_PRIVATE_PRESENTATION:
2122            return 2;
2123        case TYPE_WALLPAPER:
2124            // wallpaper is at the bottom, though the window manager may move it.
2125            return 2;
2126        case TYPE_DOCK_DIVIDER:
2127            return 2;
2128        case TYPE_QS_DIALOG:
2129            return 2;
2130        case TYPE_PHONE:
2131            return 3;
2132        case TYPE_SEARCH_BAR:
2133        case TYPE_VOICE_INTERACTION_STARTING:
2134            return 4;
2135        case TYPE_VOICE_INTERACTION:
2136            // voice interaction layer is almost immediately above apps.
2137            return 5;
2138        case TYPE_INPUT_CONSUMER:
2139            return 6;
2140        case TYPE_SYSTEM_DIALOG:
2141            return 7;
2142        case TYPE_TOAST:
2143            // toasts and the plugged-in battery thing
2144            return 8;
2145        case TYPE_PRIORITY_PHONE:
2146            // SIM errors and unlock.  Not sure if this really should be in a high layer.
2147            return 9;
2148        case TYPE_DREAM:
2149            // used for Dreams (screensavers with TYPE_DREAM windows)
2150            return 10;
2151        case TYPE_SYSTEM_ALERT:
2152            // like the ANR / app crashed dialogs
2153            return 11;
2154        case TYPE_INPUT_METHOD:
2155            // on-screen keyboards and other such input method user interfaces go here.
2156            return 12;
2157        case TYPE_INPUT_METHOD_DIALOG:
2158            // on-screen keyboards and other such input method user interfaces go here.
2159            return 13;
2160        case TYPE_KEYGUARD_SCRIM:
2161            // the safety window that shows behind keyguard while keyguard is starting
2162            return 14;
2163        case TYPE_STATUS_BAR_SUB_PANEL:
2164            return 15;
2165        case TYPE_STATUS_BAR:
2166            return 16;
2167        case TYPE_STATUS_BAR_PANEL:
2168            return 17;
2169        case TYPE_KEYGUARD_DIALOG:
2170            return 18;
2171        case TYPE_VOLUME_OVERLAY:
2172            // the on-screen volume indicator and controller shown when the user
2173            // changes the device volume
2174            return 19;
2175        case TYPE_SYSTEM_OVERLAY:
2176            // the on-screen volume indicator and controller shown when the user
2177            // changes the device volume
2178            return 20;
2179        case TYPE_NAVIGATION_BAR:
2180            // the navigation bar, if available, shows atop most things
2181            return 21;
2182        case TYPE_NAVIGATION_BAR_PANEL:
2183            // some panels (e.g. search) need to show on top of the navigation bar
2184            return 22;
2185        case TYPE_SYSTEM_ERROR:
2186            // system-level error dialogs
2187            return 23;
2188        case TYPE_MAGNIFICATION_OVERLAY:
2189            // used to highlight the magnified portion of a display
2190            return 24;
2191        case TYPE_DISPLAY_OVERLAY:
2192            // used to simulate secondary display devices
2193            return 25;
2194        case TYPE_DRAG:
2195            // the drag layer: input for drag-and-drop is associated with this window,
2196            // which sits above all other focusable windows
2197            return 26;
2198        case TYPE_ACCESSIBILITY_OVERLAY:
2199            // overlay put by accessibility services to intercept user interaction
2200            return 27;
2201        case TYPE_SECURE_SYSTEM_OVERLAY:
2202            return 28;
2203        case TYPE_BOOT_PROGRESS:
2204            return 29;
2205        case TYPE_POINTER:
2206            // the (mouse) pointer layer
2207            return 30;
2208        }
2209        Log.e(TAG, "Unknown window type: " + type);
2210        return 2;
2211    }
2212
2213    /** {@inheritDoc} */
2214    @Override
2215    public int subWindowTypeToLayerLw(int type) {
2216        switch (type) {
2217        case TYPE_APPLICATION_PANEL:
2218        case TYPE_APPLICATION_ATTACHED_DIALOG:
2219            return APPLICATION_PANEL_SUBLAYER;
2220        case TYPE_APPLICATION_MEDIA:
2221            return APPLICATION_MEDIA_SUBLAYER;
2222        case TYPE_APPLICATION_MEDIA_OVERLAY:
2223            return APPLICATION_MEDIA_OVERLAY_SUBLAYER;
2224        case TYPE_APPLICATION_SUB_PANEL:
2225            return APPLICATION_SUB_PANEL_SUBLAYER;
2226        case TYPE_APPLICATION_ABOVE_SUB_PANEL:
2227            return APPLICATION_ABOVE_SUB_PANEL_SUBLAYER;
2228        }
2229        Log.e(TAG, "Unknown sub-window type: " + type);
2230        return 0;
2231    }
2232
2233    @Override
2234    public int getMaxWallpaperLayer() {
2235        return windowTypeToLayerLw(TYPE_STATUS_BAR);
2236    }
2237
2238    @Override
2239    public int getNonDecorDisplayWidth(int fullWidth, int fullHeight, int rotation) {
2240        if (mHasNavigationBar) {
2241            // For a basic navigation bar, when we are in landscape mode we place
2242            // the navigation bar to the side.
2243            if (mNavigationBarCanMove && fullWidth > fullHeight) {
2244                return fullWidth - mNavigationBarWidthForRotation[rotation];
2245            }
2246        }
2247        return fullWidth;
2248    }
2249
2250    @Override
2251    public int getNonDecorDisplayHeight(int fullWidth, int fullHeight, int rotation) {
2252        if (mHasNavigationBar) {
2253            // For a basic navigation bar, when we are in portrait mode we place
2254            // the navigation bar to the bottom.
2255            if (!mNavigationBarCanMove || fullWidth < fullHeight) {
2256                return fullHeight - mNavigationBarHeightForRotation[rotation];
2257            }
2258        }
2259        return fullHeight;
2260    }
2261
2262    @Override
2263    public int getConfigDisplayWidth(int fullWidth, int fullHeight, int rotation) {
2264        return getNonDecorDisplayWidth(fullWidth, fullHeight, rotation);
2265    }
2266
2267    @Override
2268    public int getConfigDisplayHeight(int fullWidth, int fullHeight, int rotation) {
2269        // There is a separate status bar at the top of the display.  We don't count that as part
2270        // of the fixed decor, since it can hide; however, for purposes of configurations,
2271        // we do want to exclude it since applications can't generally use that part
2272        // of the screen.
2273        return getNonDecorDisplayHeight(fullWidth, fullHeight, rotation) - mStatusBarHeight;
2274    }
2275
2276    @Override
2277    public boolean isForceHiding(WindowManager.LayoutParams attrs) {
2278        return (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 ||
2279                (isKeyguardHostWindow(attrs) &&
2280                        (mKeyguardDelegate != null && mKeyguardDelegate.isShowing())) ||
2281                (attrs.type == TYPE_KEYGUARD_SCRIM);
2282    }
2283
2284    @Override
2285    public boolean isKeyguardHostWindow(WindowManager.LayoutParams attrs) {
2286        return attrs.type == TYPE_STATUS_BAR;
2287    }
2288
2289    @Override
2290    public boolean canBeForceHidden(WindowState win, WindowManager.LayoutParams attrs) {
2291        switch (attrs.type) {
2292            case TYPE_STATUS_BAR:
2293            case TYPE_NAVIGATION_BAR:
2294            case TYPE_WALLPAPER:
2295            case TYPE_DREAM:
2296            case TYPE_KEYGUARD_SCRIM:
2297            case TYPE_DOCK_DIVIDER:
2298                return false;
2299            default:
2300                // Hide only windows below the keyguard host window.
2301                return windowTypeToLayerLw(win.getBaseType())
2302                        < windowTypeToLayerLw(TYPE_STATUS_BAR);
2303        }
2304    }
2305
2306    @Override
2307    public WindowState getWinShowWhenLockedLw() {
2308        return mWinShowWhenLocked;
2309    }
2310
2311    /** {@inheritDoc} */
2312    @Override
2313    public View addStartingWindow(IBinder appToken, String packageName, int theme,
2314            CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes,
2315            int icon, int logo, int windowFlags) {
2316        if (!SHOW_STARTING_ANIMATIONS) {
2317            return null;
2318        }
2319        if (packageName == null) {
2320            return null;
2321        }
2322
2323        WindowManager wm = null;
2324        View view = null;
2325
2326        try {
2327            Context context = mContext;
2328            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow " + packageName
2329                    + ": nonLocalizedLabel=" + nonLocalizedLabel + " theme="
2330                    + Integer.toHexString(theme));
2331            if (theme != context.getThemeResId() || labelRes != 0) {
2332                try {
2333                    context = context.createPackageContext(packageName, 0);
2334                    context.setTheme(theme);
2335                } catch (PackageManager.NameNotFoundException e) {
2336                    // Ignore
2337                }
2338            }
2339
2340            PhoneWindow win = new PhoneWindow(context);
2341            win.setIsStartingWindow(true);
2342
2343            Resources r = context.getResources();
2344            win.setTitle(r.getText(labelRes, nonLocalizedLabel));
2345
2346            win.setType(
2347                WindowManager.LayoutParams.TYPE_APPLICATION_STARTING);
2348
2349            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
2350                // Assumes it's safe to show starting windows of launched apps while
2351                // the keyguard is being hidden. This is okay because starting windows never show
2352                // secret information.
2353                if (mKeyguardHidden) {
2354                    windowFlags |= FLAG_SHOW_WHEN_LOCKED;
2355                }
2356            }
2357
2358            // Force the window flags: this is a fake window, so it is not really
2359            // touchable or focusable by the user.  We also add in the ALT_FOCUSABLE_IM
2360            // flag because we do know that the next window will take input
2361            // focus, so we want to get the IME window up on top of us right away.
2362            win.setFlags(
2363                windowFlags|
2364                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2365                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2366                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
2367                windowFlags|
2368                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2369                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2370                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
2371
2372            win.setDefaultIcon(icon);
2373            win.setDefaultLogo(logo);
2374
2375            win.setLayout(WindowManager.LayoutParams.MATCH_PARENT,
2376                    WindowManager.LayoutParams.MATCH_PARENT);
2377
2378            final WindowManager.LayoutParams params = win.getAttributes();
2379            params.token = appToken;
2380            params.packageName = packageName;
2381            params.windowAnimations = win.getWindowStyle().getResourceId(
2382                    com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
2383            params.privateFlags |=
2384                    WindowManager.LayoutParams.PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED;
2385            params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
2386
2387            if (!compatInfo.supportsScreen()) {
2388                params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW;
2389            }
2390
2391            params.setTitle("Starting " + packageName);
2392
2393            wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
2394            view = win.getDecorView();
2395
2396            if (DEBUG_STARTING_WINDOW) Slog.d(
2397                TAG, "Adding starting window for " + packageName
2398                + " / " + appToken + ": "
2399                + (view.getParent() != null ? view : null));
2400
2401            wm.addView(view, params);
2402
2403            // Only return the view if it was successfully added to the
2404            // window manager... which we can tell by it having a parent.
2405            return view.getParent() != null ? view : null;
2406        } catch (WindowManager.BadTokenException e) {
2407            // ignore
2408            Log.w(TAG, appToken + " already running, starting window not displayed. " +
2409                    e.getMessage());
2410        } catch (RuntimeException e) {
2411            // don't crash if something else bad happens, for example a
2412            // failure loading resources because we are loading from an app
2413            // on external storage that has been unmounted.
2414            Log.w(TAG, appToken + " failed creating starting window", e);
2415        } finally {
2416            if (view != null && view.getParent() == null) {
2417                Log.w(TAG, "view not successfully added to wm, removing view");
2418                wm.removeViewImmediate(view);
2419            }
2420        }
2421
2422        return null;
2423    }
2424
2425    /** {@inheritDoc} */
2426    @Override
2427    public void removeStartingWindow(IBinder appToken, View window) {
2428        if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Removing starting window for " + appToken + ": "
2429                + window + " Callers=" + Debug.getCallers(4));
2430
2431        if (window != null) {
2432            WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
2433            wm.removeView(window);
2434        }
2435    }
2436
2437    /**
2438     * Preflight adding a window to the system.
2439     *
2440     * Currently enforces that three window types are singletons:
2441     * <ul>
2442     * <li>STATUS_BAR_TYPE</li>
2443     * <li>KEYGUARD_TYPE</li>
2444     * </ul>
2445     *
2446     * @param win The window to be added
2447     * @param attrs Information about the window to be added
2448     *
2449     * @return If ok, WindowManagerImpl.ADD_OKAY.  If too many singletons,
2450     * WindowManagerImpl.ADD_MULTIPLE_SINGLETON
2451     */
2452    @Override
2453    public int prepareAddWindowLw(WindowState win, WindowManager.LayoutParams attrs) {
2454        switch (attrs.type) {
2455            case TYPE_STATUS_BAR:
2456                mContext.enforceCallingOrSelfPermission(
2457                        android.Manifest.permission.STATUS_BAR_SERVICE,
2458                        "PhoneWindowManager");
2459                if (mStatusBar != null) {
2460                    if (mStatusBar.isAlive()) {
2461                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2462                    }
2463                }
2464                mStatusBar = win;
2465                mStatusBarController.setWindow(win);
2466                break;
2467            case TYPE_NAVIGATION_BAR:
2468                mContext.enforceCallingOrSelfPermission(
2469                        android.Manifest.permission.STATUS_BAR_SERVICE,
2470                        "PhoneWindowManager");
2471                if (mNavigationBar != null) {
2472                    if (mNavigationBar.isAlive()) {
2473                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2474                    }
2475                }
2476                mNavigationBar = win;
2477                mNavigationBarController.setWindow(win);
2478                if (DEBUG_LAYOUT) Slog.i(TAG, "NAVIGATION BAR: " + mNavigationBar);
2479                break;
2480            case TYPE_NAVIGATION_BAR_PANEL:
2481            case TYPE_STATUS_BAR_PANEL:
2482            case TYPE_STATUS_BAR_SUB_PANEL:
2483            case TYPE_VOICE_INTERACTION_STARTING:
2484                mContext.enforceCallingOrSelfPermission(
2485                        android.Manifest.permission.STATUS_BAR_SERVICE,
2486                        "PhoneWindowManager");
2487                break;
2488            case TYPE_KEYGUARD_SCRIM:
2489                if (mKeyguardScrim != null) {
2490                    return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2491                }
2492                mKeyguardScrim = win;
2493                break;
2494        }
2495        return WindowManagerGlobal.ADD_OKAY;
2496    }
2497
2498    /** {@inheritDoc} */
2499    @Override
2500    public void removeWindowLw(WindowState win) {
2501        if (mStatusBar == win) {
2502            mStatusBar = null;
2503            mStatusBarController.setWindow(null);
2504            mKeyguardDelegate.showScrim();
2505        } else if (mKeyguardScrim == win) {
2506            Log.v(TAG, "Removing keyguard scrim");
2507            mKeyguardScrim = null;
2508        } if (mNavigationBar == win) {
2509            mNavigationBar = null;
2510            mNavigationBarController.setWindow(null);
2511        }
2512    }
2513
2514    static final boolean PRINT_ANIM = false;
2515
2516    /** {@inheritDoc} */
2517    @Override
2518    public int selectAnimationLw(WindowState win, int transit) {
2519        if (PRINT_ANIM) Log.i(TAG, "selectAnimation in " + win
2520              + ": transit=" + transit);
2521        if (win == mStatusBar) {
2522            boolean isKeyguard = (win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
2523            if (transit == TRANSIT_EXIT
2524                    || transit == TRANSIT_HIDE) {
2525                return isKeyguard ? -1 : R.anim.dock_top_exit;
2526            } else if (transit == TRANSIT_ENTER
2527                    || transit == TRANSIT_SHOW) {
2528                return isKeyguard ? -1 : R.anim.dock_top_enter;
2529            }
2530        } else if (win == mNavigationBar) {
2531            if (win.getAttrs().windowAnimations != 0) {
2532                return 0;
2533            }
2534            // This can be on either the bottom or the right.
2535            if (mNavigationBarOnBottom) {
2536                if (transit == TRANSIT_EXIT
2537                        || transit == TRANSIT_HIDE) {
2538                    return R.anim.dock_bottom_exit;
2539                } else if (transit == TRANSIT_ENTER
2540                        || transit == TRANSIT_SHOW) {
2541                    return R.anim.dock_bottom_enter;
2542                }
2543            } else {
2544                if (transit == TRANSIT_EXIT
2545                        || transit == TRANSIT_HIDE) {
2546                    return R.anim.dock_right_exit;
2547                } else if (transit == TRANSIT_ENTER
2548                        || transit == TRANSIT_SHOW) {
2549                    return R.anim.dock_right_enter;
2550                }
2551            }
2552        } else if (win.getAttrs().type == TYPE_DOCK_DIVIDER) {
2553            if (transit == TRANSIT_ENTER || transit == TRANSIT_SHOW) {
2554                return R.anim.fade_in;
2555            } else if (transit == TRANSIT_EXIT) {
2556                return R.anim.fade_out;
2557            }
2558        }
2559
2560        if (transit == TRANSIT_PREVIEW_DONE) {
2561            if (win.hasAppShownWindows()) {
2562                if (PRINT_ANIM) Log.i(TAG, "**** STARTING EXIT");
2563                return com.android.internal.R.anim.app_starting_exit;
2564            }
2565        } else if (win.getAttrs().type == TYPE_DREAM && mDreamingLockscreen
2566                && transit == TRANSIT_ENTER) {
2567            // Special case: we are animating in a dream, while the keyguard
2568            // is shown.  We don't want an animation on the dream, because
2569            // we need it shown immediately with the keyguard animating away
2570            // to reveal it.
2571            return -1;
2572        }
2573
2574        return 0;
2575    }
2576
2577    @Override
2578    public void selectRotationAnimationLw(int anim[]) {
2579        if (PRINT_ANIM) Slog.i(TAG, "selectRotationAnimation mTopFullscreen="
2580                + mTopFullscreenOpaqueWindowState + " rotationAnimation="
2581                + (mTopFullscreenOpaqueWindowState == null ?
2582                        "0" : mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation));
2583        if (mTopFullscreenOpaqueWindowState != null && mTopIsFullscreen) {
2584            switch (mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation) {
2585                case ROTATION_ANIMATION_CROSSFADE:
2586                    anim[0] = R.anim.rotation_animation_xfade_exit;
2587                    anim[1] = R.anim.rotation_animation_enter;
2588                    break;
2589                case ROTATION_ANIMATION_JUMPCUT:
2590                    anim[0] = R.anim.rotation_animation_jump_exit;
2591                    anim[1] = R.anim.rotation_animation_enter;
2592                    break;
2593                case ROTATION_ANIMATION_ROTATE:
2594                default:
2595                    anim[0] = anim[1] = 0;
2596                    break;
2597            }
2598        } else {
2599            anim[0] = anim[1] = 0;
2600        }
2601    }
2602
2603    @Override
2604    public boolean validateRotationAnimationLw(int exitAnimId, int enterAnimId,
2605            boolean forceDefault) {
2606        switch (exitAnimId) {
2607            case R.anim.rotation_animation_xfade_exit:
2608            case R.anim.rotation_animation_jump_exit:
2609                // These are the only cases that matter.
2610                if (forceDefault) {
2611                    return false;
2612                }
2613                int anim[] = new int[2];
2614                selectRotationAnimationLw(anim);
2615                return (exitAnimId == anim[0] && enterAnimId == anim[1]);
2616            default:
2617                return true;
2618        }
2619    }
2620
2621    @Override
2622    public Animation createForceHideEnterAnimation(boolean onWallpaper,
2623            boolean goingToNotificationShade) {
2624        if (goingToNotificationShade) {
2625            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_behind_enter_fade_in);
2626        }
2627
2628        AnimationSet set = (AnimationSet) AnimationUtils.loadAnimation(mContext, onWallpaper ?
2629                    R.anim.lock_screen_behind_enter_wallpaper :
2630                    R.anim.lock_screen_behind_enter);
2631
2632        // TODO: Use XML interpolators when we have log interpolators available in XML.
2633        final List<Animation> animations = set.getAnimations();
2634        for (int i = animations.size() - 1; i >= 0; --i) {
2635            animations.get(i).setInterpolator(mLogDecelerateInterpolator);
2636        }
2637
2638        return set;
2639    }
2640
2641
2642    @Override
2643    public Animation createForceHideWallpaperExitAnimation(boolean goingToNotificationShade) {
2644        if (goingToNotificationShade) {
2645            return null;
2646        } else {
2647            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_wallpaper_exit);
2648        }
2649    }
2650
2651    private static void awakenDreams() {
2652        IDreamManager dreamManager = getDreamManager();
2653        if (dreamManager != null) {
2654            try {
2655                dreamManager.awaken();
2656            } catch (RemoteException e) {
2657                // fine, stay asleep then
2658            }
2659        }
2660    }
2661
2662    static IDreamManager getDreamManager() {
2663        return IDreamManager.Stub.asInterface(
2664                ServiceManager.checkService(DreamService.DREAM_SERVICE));
2665    }
2666
2667    TelecomManager getTelecommService() {
2668        return (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE);
2669    }
2670
2671    static IAudioService getAudioService() {
2672        IAudioService audioService = IAudioService.Stub.asInterface(
2673                ServiceManager.checkService(Context.AUDIO_SERVICE));
2674        if (audioService == null) {
2675            Log.w(TAG, "Unable to find IAudioService interface.");
2676        }
2677        return audioService;
2678    }
2679
2680    boolean keyguardOn() {
2681        return isKeyguardShowingAndNotOccluded() || inKeyguardRestrictedKeyInputMode();
2682    }
2683
2684    private static final int[] WINDOW_TYPES_WHERE_HOME_DOESNT_WORK = {
2685            WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
2686            WindowManager.LayoutParams.TYPE_SYSTEM_ERROR,
2687        };
2688
2689    /** {@inheritDoc} */
2690    @Override
2691    public long interceptKeyBeforeDispatching(WindowState win, KeyEvent event, int policyFlags) {
2692        final boolean keyguardOn = keyguardOn();
2693        final int keyCode = event.getKeyCode();
2694        final int repeatCount = event.getRepeatCount();
2695        final int metaState = event.getMetaState();
2696        final int flags = event.getFlags();
2697        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
2698        final boolean canceled = event.isCanceled();
2699
2700        if (DEBUG_INPUT) {
2701            Log.d(TAG, "interceptKeyTi keyCode=" + keyCode + " down=" + down + " repeatCount="
2702                    + repeatCount + " keyguardOn=" + keyguardOn + " mHomePressed=" + mHomePressed
2703                    + " canceled=" + canceled);
2704        }
2705
2706        // If we think we might have a volume down & power key chord on the way
2707        // but we're not sure, then tell the dispatcher to wait a little while and
2708        // try again later before dispatching.
2709        if (mScreenshotChordEnabled && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
2710            if (mScreenshotChordVolumeDownKeyTriggered && !mScreenshotChordPowerKeyTriggered) {
2711                final long now = SystemClock.uptimeMillis();
2712                final long timeoutTime = mScreenshotChordVolumeDownKeyTime
2713                        + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
2714                if (now < timeoutTime) {
2715                    return timeoutTime - now;
2716                }
2717            }
2718            if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
2719                    && mScreenshotChordVolumeDownKeyConsumed) {
2720                if (!down) {
2721                    mScreenshotChordVolumeDownKeyConsumed = false;
2722                }
2723                return -1;
2724            }
2725        }
2726
2727        // Cancel any pending meta actions if we see any other keys being pressed between the down
2728        // of the meta key and its corresponding up.
2729        if (mPendingMetaAction && !KeyEvent.isMetaKey(keyCode)) {
2730            mPendingMetaAction = false;
2731        }
2732
2733        // First we always handle the home key here, so applications
2734        // can never break it, although if keyguard is on, we do let
2735        // it handle it, because that gives us the correct 5 second
2736        // timeout.
2737        if (keyCode == KeyEvent.KEYCODE_HOME) {
2738
2739            // If we have released the home key, and didn't do anything else
2740            // while it was pressed, then it is time to go home!
2741            if (!down) {
2742                cancelPreloadRecentApps();
2743
2744                mHomePressed = false;
2745                if (mHomeConsumed) {
2746                    mHomeConsumed = false;
2747                    return -1;
2748                }
2749
2750                if (canceled) {
2751                    Log.i(TAG, "Ignoring HOME; event canceled.");
2752                    return -1;
2753                }
2754
2755                // If an incoming call is ringing, HOME is totally disabled.
2756                // (The user is already on the InCallUI at this point,
2757                // and his ONLY options are to answer or reject the call.)
2758                TelecomManager telecomManager = getTelecommService();
2759                if (telecomManager != null && telecomManager.isRinging()) {
2760                    Log.i(TAG, "Ignoring HOME; there's a ringing incoming call.");
2761                    return -1;
2762                }
2763
2764                // Delay handling home if a double-tap is possible.
2765                if (mDoubleTapOnHomeBehavior != DOUBLE_TAP_HOME_NOTHING) {
2766                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable); // just in case
2767                    mHomeDoubleTapPending = true;
2768                    mHandler.postDelayed(mHomeDoubleTapTimeoutRunnable,
2769                            ViewConfiguration.getDoubleTapTimeout());
2770                    return -1;
2771                }
2772
2773                handleShortPressOnHome();
2774                return -1;
2775            }
2776
2777            // If a system window has focus, then it doesn't make sense
2778            // right now to interact with applications.
2779            WindowManager.LayoutParams attrs = win != null ? win.getAttrs() : null;
2780            if (attrs != null) {
2781                final int type = attrs.type;
2782                if (type == WindowManager.LayoutParams.TYPE_KEYGUARD_SCRIM
2783                        || type == WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG
2784                        || (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
2785                    // the "app" is keyguard, so give it the key
2786                    return 0;
2787                }
2788                final int typeCount = WINDOW_TYPES_WHERE_HOME_DOESNT_WORK.length;
2789                for (int i=0; i<typeCount; i++) {
2790                    if (type == WINDOW_TYPES_WHERE_HOME_DOESNT_WORK[i]) {
2791                        // don't do anything, but also don't pass it to the app
2792                        return -1;
2793                    }
2794                }
2795            }
2796
2797            // Remember that home is pressed and handle special actions.
2798            if (repeatCount == 0) {
2799                mHomePressed = true;
2800                if (mHomeDoubleTapPending) {
2801                    mHomeDoubleTapPending = false;
2802                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable);
2803                    handleDoubleTapOnHome();
2804                } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI
2805                        || mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
2806                    preloadRecentApps();
2807                }
2808            } else if ((event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) {
2809                if (!keyguardOn) {
2810                    handleLongPressOnHome(event.getDeviceId());
2811                }
2812            }
2813            return -1;
2814        } else if (keyCode == KeyEvent.KEYCODE_MENU) {
2815            // Hijack modified menu keys for debugging features
2816            final int chordBug = KeyEvent.META_SHIFT_ON;
2817
2818            if (down && repeatCount == 0) {
2819                if (mEnableShiftMenuBugReports && (metaState & chordBug) == chordBug) {
2820                    Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
2821                    mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT,
2822                            null, null, null, 0, null, null);
2823                    return -1;
2824                } else if (SHOW_PROCESSES_ON_ALT_MENU &&
2825                        (metaState & KeyEvent.META_ALT_ON) == KeyEvent.META_ALT_ON) {
2826                    Intent service = new Intent();
2827                    service.setClassName(mContext, "com.android.server.LoadAverageService");
2828                    ContentResolver res = mContext.getContentResolver();
2829                    boolean shown = Settings.Global.getInt(
2830                            res, Settings.Global.SHOW_PROCESSES, 0) != 0;
2831                    if (!shown) {
2832                        mContext.startService(service);
2833                    } else {
2834                        mContext.stopService(service);
2835                    }
2836                    Settings.Global.putInt(
2837                            res, Settings.Global.SHOW_PROCESSES, shown ? 0 : 1);
2838                    return -1;
2839                }
2840            }
2841        } else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
2842            if (down) {
2843                if (repeatCount == 0) {
2844                    mSearchKeyShortcutPending = true;
2845                    mConsumeSearchKeyUp = false;
2846                }
2847            } else {
2848                mSearchKeyShortcutPending = false;
2849                if (mConsumeSearchKeyUp) {
2850                    mConsumeSearchKeyUp = false;
2851                    return -1;
2852                }
2853            }
2854            return 0;
2855        } else if (keyCode == KeyEvent.KEYCODE_APP_SWITCH) {
2856            if (!keyguardOn) {
2857                if (down && repeatCount == 0) {
2858                    preloadRecentApps();
2859                } else if (!down) {
2860                    toggleRecentApps();
2861                }
2862            }
2863            return -1;
2864        } else if (keyCode == KeyEvent.KEYCODE_N && event.isMetaPressed()) {
2865            if (down) {
2866                IStatusBarService service = getStatusBarService();
2867                if (service != null) {
2868                    try {
2869                        service.expandNotificationsPanel();
2870                    } catch (RemoteException e) {
2871                        // do nothing.
2872                    }
2873                }
2874            }
2875        } else if (keyCode == KeyEvent.KEYCODE_SLASH && event.isMetaPressed()) {
2876            if (down) {
2877                if (repeatCount == 0) {
2878                    showKeyboardShortcutsMenu();
2879                }
2880            }
2881        } else if (keyCode == KeyEvent.KEYCODE_ASSIST) {
2882            if (down) {
2883                if (repeatCount == 0) {
2884                    mAssistKeyLongPressed = false;
2885                } else if (repeatCount == 1) {
2886                    mAssistKeyLongPressed = true;
2887                    if (!keyguardOn) {
2888                         launchAssistLongPressAction();
2889                    }
2890                }
2891            } else {
2892                if (mAssistKeyLongPressed) {
2893                    mAssistKeyLongPressed = false;
2894                } else {
2895                    if (!keyguardOn) {
2896                        launchAssistAction(null, event.getDeviceId());
2897                    }
2898                }
2899            }
2900            return -1;
2901        } else if (keyCode == KeyEvent.KEYCODE_VOICE_ASSIST) {
2902            if (!down) {
2903                Intent voiceIntent;
2904                if (!keyguardOn) {
2905                    voiceIntent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
2906                } else {
2907                    IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
2908                            ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
2909                    if (dic != null) {
2910                        try {
2911                            dic.exitIdle("voice-search");
2912                        } catch (RemoteException e) {
2913                        }
2914                    }
2915                    voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
2916                    voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, true);
2917                }
2918                startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
2919            }
2920        } else if (keyCode == KeyEvent.KEYCODE_SYSRQ) {
2921            if (down && repeatCount == 0) {
2922                mHandler.post(mScreenshotRunnable);
2923            }
2924            return -1;
2925        } else if (keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP
2926                || keyCode == KeyEvent.KEYCODE_BRIGHTNESS_DOWN) {
2927            if (down) {
2928                int direction = keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP ? 1 : -1;
2929
2930                // Disable autobrightness if it's on
2931                int auto = Settings.System.getIntForUser(
2932                        mContext.getContentResolver(),
2933                        Settings.System.SCREEN_BRIGHTNESS_MODE,
2934                        Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
2935                        UserHandle.USER_CURRENT_OR_SELF);
2936                if (auto != 0) {
2937                    Settings.System.putIntForUser(mContext.getContentResolver(),
2938                            Settings.System.SCREEN_BRIGHTNESS_MODE,
2939                            Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
2940                            UserHandle.USER_CURRENT_OR_SELF);
2941                }
2942
2943                int min = mPowerManager.getMinimumScreenBrightnessSetting();
2944                int max = mPowerManager.getMaximumScreenBrightnessSetting();
2945                int step = (max - min + BRIGHTNESS_STEPS - 1) / BRIGHTNESS_STEPS * direction;
2946                int brightness = Settings.System.getIntForUser(mContext.getContentResolver(),
2947                        Settings.System.SCREEN_BRIGHTNESS,
2948                        mPowerManager.getDefaultScreenBrightnessSetting(),
2949                        UserHandle.USER_CURRENT_OR_SELF);
2950                brightness += step;
2951                // Make sure we don't go beyond the limits.
2952                brightness = Math.min(max, brightness);
2953                brightness = Math.max(min, brightness);
2954
2955                Settings.System.putIntForUser(mContext.getContentResolver(),
2956                        Settings.System.SCREEN_BRIGHTNESS, brightness,
2957                        UserHandle.USER_CURRENT_OR_SELF);
2958                startActivityAsUser(new Intent(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG),
2959                        UserHandle.CURRENT_OR_SELF);
2960            }
2961            return -1;
2962        } else if (KeyEvent.isMetaKey(keyCode)) {
2963            if (down) {
2964                mPendingMetaAction = true;
2965            } else if (mPendingMetaAction) {
2966                launchAssistAction(Intent.EXTRA_ASSIST_INPUT_HINT_KEYBOARD, event.getDeviceId());
2967            }
2968            return -1;
2969        }
2970
2971        // Shortcuts are invoked through Search+key, so intercept those here
2972        // Any printing key that is chorded with Search should be consumed
2973        // even if no shortcut was invoked.  This prevents text from being
2974        // inadvertently inserted when using a keyboard that has built-in macro
2975        // shortcut keys (that emit Search+x) and some of them are not registered.
2976        if (mSearchKeyShortcutPending) {
2977            final KeyCharacterMap kcm = event.getKeyCharacterMap();
2978            if (kcm.isPrintingKey(keyCode)) {
2979                mConsumeSearchKeyUp = true;
2980                mSearchKeyShortcutPending = false;
2981                if (down && repeatCount == 0 && !keyguardOn) {
2982                    Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState);
2983                    if (shortcutIntent != null) {
2984                        shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2985                        try {
2986                            startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
2987                        } catch (ActivityNotFoundException ex) {
2988                            Slog.w(TAG, "Dropping shortcut key combination because "
2989                                    + "the activity to which it is registered was not found: "
2990                                    + "SEARCH+" + KeyEvent.keyCodeToString(keyCode), ex);
2991                        }
2992                    } else {
2993                        Slog.i(TAG, "Dropping unregistered shortcut key combination: "
2994                                + "SEARCH+" + KeyEvent.keyCodeToString(keyCode));
2995                    }
2996                }
2997                return -1;
2998            }
2999        }
3000
3001        // Invoke shortcuts using Meta.
3002        if (down && repeatCount == 0 && !keyguardOn
3003                && (metaState & KeyEvent.META_META_ON) != 0) {
3004            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3005            if (kcm.isPrintingKey(keyCode)) {
3006                Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode,
3007                        metaState & ~(KeyEvent.META_META_ON
3008                                | KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_RIGHT_ON));
3009                if (shortcutIntent != null) {
3010                    shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3011                    try {
3012                        startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3013                    } catch (ActivityNotFoundException ex) {
3014                        Slog.w(TAG, "Dropping shortcut key combination because "
3015                                + "the activity to which it is registered was not found: "
3016                                + "META+" + KeyEvent.keyCodeToString(keyCode), ex);
3017                    }
3018                    return -1;
3019                }
3020            }
3021        }
3022
3023        // Handle application launch keys.
3024        if (down && repeatCount == 0 && !keyguardOn) {
3025            String category = sApplicationLaunchKeyCategories.get(keyCode);
3026            if (category != null) {
3027                Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, category);
3028                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3029                try {
3030                    startActivityAsUser(intent, UserHandle.CURRENT);
3031                } catch (ActivityNotFoundException ex) {
3032                    Slog.w(TAG, "Dropping application launch key because "
3033                            + "the activity to which it is registered was not found: "
3034                            + "keyCode=" + keyCode + ", category=" + category, ex);
3035                }
3036                return -1;
3037            }
3038        }
3039
3040        // Display task switcher for ALT-TAB.
3041        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_TAB) {
3042            if (mRecentAppsHeldModifiers == 0 && !keyguardOn && isUserSetupComplete()) {
3043                final int shiftlessModifiers = event.getModifiers() & ~KeyEvent.META_SHIFT_MASK;
3044                if (KeyEvent.metaStateHasModifiers(shiftlessModifiers, KeyEvent.META_ALT_ON)) {
3045                    mRecentAppsHeldModifiers = shiftlessModifiers;
3046                    showRecentApps(true);
3047                    return -1;
3048                }
3049            }
3050        } else if (!down && mRecentAppsHeldModifiers != 0
3051                && (metaState & mRecentAppsHeldModifiers) == 0) {
3052            mRecentAppsHeldModifiers = 0;
3053            hideRecentApps(true, false);
3054        }
3055
3056        // Handle keyboard language switching.
3057        if (down && repeatCount == 0
3058                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3059                        || (keyCode == KeyEvent.KEYCODE_SPACE
3060                                && (metaState & KeyEvent.META_CTRL_MASK) != 0))) {
3061            int direction = (metaState & KeyEvent.META_SHIFT_MASK) != 0 ? -1 : 1;
3062            mWindowManagerFuncs.switchKeyboardLayout(event.getDeviceId(), direction);
3063            return -1;
3064        }
3065        if (mLanguageSwitchKeyPressed && !down
3066                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3067                        || keyCode == KeyEvent.KEYCODE_SPACE)) {
3068            mLanguageSwitchKeyPressed = false;
3069            return -1;
3070        }
3071
3072        if (isValidGlobalKey(keyCode)
3073                && mGlobalKeyManager.handleGlobalKey(mContext, keyCode, event)) {
3074            return -1;
3075        }
3076
3077        // Reserve all the META modifier combos for system behavior
3078        if ((metaState & KeyEvent.META_META_ON) != 0) {
3079            return -1;
3080        }
3081
3082        // Let the application handle the key.
3083        return 0;
3084    }
3085
3086    /** {@inheritDoc} */
3087    @Override
3088    public KeyEvent dispatchUnhandledKey(WindowState win, KeyEvent event, int policyFlags) {
3089        // Note: This method is only called if the initial down was unhandled.
3090        if (DEBUG_INPUT) {
3091            Slog.d(TAG, "Unhandled key: win=" + win + ", action=" + event.getAction()
3092                    + ", flags=" + event.getFlags()
3093                    + ", keyCode=" + event.getKeyCode()
3094                    + ", scanCode=" + event.getScanCode()
3095                    + ", metaState=" + event.getMetaState()
3096                    + ", repeatCount=" + event.getRepeatCount()
3097                    + ", policyFlags=" + policyFlags);
3098        }
3099
3100        KeyEvent fallbackEvent = null;
3101        if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
3102            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3103            final int keyCode = event.getKeyCode();
3104            final int metaState = event.getMetaState();
3105            final boolean initialDown = event.getAction() == KeyEvent.ACTION_DOWN
3106                    && event.getRepeatCount() == 0;
3107
3108            // Check for fallback actions specified by the key character map.
3109            final FallbackAction fallbackAction;
3110            if (initialDown) {
3111                fallbackAction = kcm.getFallbackAction(keyCode, metaState);
3112            } else {
3113                fallbackAction = mFallbackActions.get(keyCode);
3114            }
3115
3116            if (fallbackAction != null) {
3117                if (DEBUG_INPUT) {
3118                    Slog.d(TAG, "Fallback: keyCode=" + fallbackAction.keyCode
3119                            + " metaState=" + Integer.toHexString(fallbackAction.metaState));
3120                }
3121
3122                final int flags = event.getFlags() | KeyEvent.FLAG_FALLBACK;
3123                fallbackEvent = KeyEvent.obtain(
3124                        event.getDownTime(), event.getEventTime(),
3125                        event.getAction(), fallbackAction.keyCode,
3126                        event.getRepeatCount(), fallbackAction.metaState,
3127                        event.getDeviceId(), event.getScanCode(),
3128                        flags, event.getSource(), null);
3129
3130                if (!interceptFallback(win, fallbackEvent, policyFlags)) {
3131                    fallbackEvent.recycle();
3132                    fallbackEvent = null;
3133                }
3134
3135                if (initialDown) {
3136                    mFallbackActions.put(keyCode, fallbackAction);
3137                } else if (event.getAction() == KeyEvent.ACTION_UP) {
3138                    mFallbackActions.remove(keyCode);
3139                    fallbackAction.recycle();
3140                }
3141            }
3142        }
3143
3144        if (DEBUG_INPUT) {
3145            if (fallbackEvent == null) {
3146                Slog.d(TAG, "No fallback.");
3147            } else {
3148                Slog.d(TAG, "Performing fallback: " + fallbackEvent);
3149            }
3150        }
3151        return fallbackEvent;
3152    }
3153
3154    private boolean interceptFallback(WindowState win, KeyEvent fallbackEvent, int policyFlags) {
3155        int actions = interceptKeyBeforeQueueing(fallbackEvent, policyFlags);
3156        if ((actions & ACTION_PASS_TO_USER) != 0) {
3157            long delayMillis = interceptKeyBeforeDispatching(
3158                    win, fallbackEvent, policyFlags);
3159            if (delayMillis == 0) {
3160                return true;
3161            }
3162        }
3163        return false;
3164    }
3165
3166    private void launchAssistLongPressAction() {
3167        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
3168        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3169
3170        // launch the search activity
3171        Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
3172        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3173        try {
3174            // TODO: This only stops the factory-installed search manager.
3175            // Need to formalize an API to handle others
3176            SearchManager searchManager = getSearchManager();
3177            if (searchManager != null) {
3178                searchManager.stopSearch();
3179            }
3180            startActivityAsUser(intent, UserHandle.CURRENT);
3181        } catch (ActivityNotFoundException e) {
3182            Slog.w(TAG, "No activity to handle assist long press action.", e);
3183        }
3184    }
3185
3186    private void launchAssistAction(String hint, int deviceId) {
3187        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3188        if (!isUserSetupComplete()) {
3189            // Disable opening assist window during setup
3190            return;
3191        }
3192        Bundle args = null;
3193        if (deviceId > Integer.MIN_VALUE) {
3194            args = new Bundle();
3195            args.putInt(Intent.EXTRA_ASSIST_INPUT_DEVICE_ID, deviceId);
3196        }
3197        if ((mContext.getResources().getConfiguration().uiMode
3198                & Configuration.UI_MODE_TYPE_MASK) == Configuration.UI_MODE_TYPE_TELEVISION) {
3199            // On TV, use legacy handling until assistants are implemented in the proper way.
3200            ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
3201                    .launchLegacyAssist(hint, UserHandle.myUserId(), args);
3202        } else {
3203            try {
3204                if (hint != null) {
3205                    if (args == null) {
3206                        args = new Bundle();
3207                    }
3208                    args.putBoolean(hint, true);
3209                }
3210                IStatusBarService statusbar = getStatusBarService();
3211                if (statusbar != null) {
3212                    statusbar.startAssist(args);
3213                }
3214            } catch (RemoteException e) {
3215                Slog.e(TAG, "RemoteException when starting assist", e);
3216                // re-acquire status bar service next time it is needed.
3217                mStatusBarService = null;
3218            }
3219        }
3220    }
3221
3222    private void startActivityAsUser(Intent intent, UserHandle handle) {
3223        if (isUserSetupComplete()) {
3224            mContext.startActivityAsUser(intent, handle);
3225        } else {
3226            Slog.i(TAG, "Not starting activity because user setup is in progress: " + intent);
3227        }
3228    }
3229
3230    private SearchManager getSearchManager() {
3231        if (mSearchManager == null) {
3232            mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
3233        }
3234        return mSearchManager;
3235    }
3236
3237    private void preloadRecentApps() {
3238        mPreloadedRecentApps = true;
3239        try {
3240            IStatusBarService statusbar = getStatusBarService();
3241            if (statusbar != null) {
3242                statusbar.preloadRecentApps();
3243            }
3244        } catch (RemoteException e) {
3245            Slog.e(TAG, "RemoteException when preloading recent apps", e);
3246            // re-acquire status bar service next time it is needed.
3247            mStatusBarService = null;
3248        }
3249    }
3250
3251    private void cancelPreloadRecentApps() {
3252        if (mPreloadedRecentApps) {
3253            mPreloadedRecentApps = false;
3254            try {
3255                IStatusBarService statusbar = getStatusBarService();
3256                if (statusbar != null) {
3257                    statusbar.cancelPreloadRecentApps();
3258                }
3259            } catch (RemoteException e) {
3260                Slog.e(TAG, "RemoteException when cancelling recent apps preload", e);
3261                // re-acquire status bar service next time it is needed.
3262                mStatusBarService = null;
3263            }
3264        }
3265    }
3266
3267    private void toggleRecentApps() {
3268        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3269        try {
3270            IStatusBarService statusbar = getStatusBarService();
3271            if (statusbar != null) {
3272                statusbar.toggleRecentApps();
3273            }
3274        } catch (RemoteException e) {
3275            Slog.e(TAG, "RemoteException when toggling recent apps", e);
3276            // re-acquire status bar service next time it is needed.
3277            mStatusBarService = null;
3278        }
3279    }
3280
3281    @Override
3282    public void showRecentApps() {
3283        mHandler.removeMessages(MSG_DISPATCH_SHOW_RECENTS);
3284        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_RECENTS);
3285    }
3286
3287    private void showRecentApps(boolean triggeredFromAltTab) {
3288        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3289        try {
3290            IStatusBarService statusbar = getStatusBarService();
3291            if (statusbar != null) {
3292                statusbar.showRecentApps(triggeredFromAltTab);
3293            }
3294        } catch (RemoteException e) {
3295            Slog.e(TAG, "RemoteException when showing recent apps", e);
3296            // re-acquire status bar service next time it is needed.
3297            mStatusBarService = null;
3298        }
3299    }
3300
3301    private void showKeyboardShortcutsMenu() {
3302        try {
3303            IStatusBarService statusbar = getStatusBarService();
3304            if (statusbar != null) {
3305                statusbar.showKeyboardShortcutsMenu();
3306            }
3307        } catch (RemoteException e) {
3308            Slog.e(TAG, "RemoteException when showing keyboard shortcuts menu", e);
3309        }
3310    }
3311
3312    private void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHome) {
3313        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3314        try {
3315            IStatusBarService statusbar = getStatusBarService();
3316            if (statusbar != null) {
3317                statusbar.hideRecentApps(triggeredFromAltTab, triggeredFromHome);
3318            }
3319        } catch (RemoteException e) {
3320            Slog.e(TAG, "RemoteException when closing recent apps", e);
3321            // re-acquire status bar service next time it is needed.
3322            mStatusBarService = null;
3323        }
3324    }
3325
3326    void launchHomeFromHotKey() {
3327        launchHomeFromHotKey(true /* awakenFromDreams */, true /*respectKeyguard*/);
3328    }
3329
3330    /**
3331     * A home key -> launch home action was detected.  Take the appropriate action
3332     * given the situation with the keyguard.
3333     */
3334    void launchHomeFromHotKey(final boolean awakenFromDreams, final boolean respectKeyguard) {
3335        if (respectKeyguard) {
3336            if (isKeyguardShowingAndNotOccluded()) {
3337                // don't launch home if keyguard showing
3338                return;
3339            }
3340
3341            if (!mHideLockScreen && mKeyguardDelegate.isInputRestricted()) {
3342                // when in keyguard restricted mode, must first verify unlock
3343                // before launching home
3344                mKeyguardDelegate.verifyUnlock(new OnKeyguardExitResult() {
3345                    @Override
3346                    public void onKeyguardExitResult(boolean success) {
3347                        if (success) {
3348                            try {
3349                                ActivityManagerNative.getDefault().stopAppSwitches();
3350                            } catch (RemoteException e) {
3351                            }
3352                            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3353                            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3354                        }
3355                    }
3356                });
3357                return;
3358            }
3359        }
3360
3361        // no keyguard stuff to worry about, just launch home!
3362        try {
3363            ActivityManagerNative.getDefault().stopAppSwitches();
3364        } catch (RemoteException e) {
3365        }
3366        if (mRecentsVisible) {
3367            // Hide Recents and notify it to launch Home
3368            if (awakenFromDreams) {
3369                awakenDreams();
3370            }
3371            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3372            hideRecentApps(false, true);
3373        } else {
3374            // Otherwise, just launch Home
3375            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3376            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3377        }
3378    }
3379
3380    private final Runnable mClearHideNavigationFlag = new Runnable() {
3381        @Override
3382        public void run() {
3383            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3384                // Clear flags.
3385                mForceClearedSystemUiFlags &=
3386                        ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3387            }
3388            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3389        }
3390    };
3391
3392    /**
3393     * Input handler used while nav bar is hidden.  Captures any touch on the screen,
3394     * to determine when the nav bar should be shown and prevent applications from
3395     * receiving those touches.
3396     */
3397    final class HideNavInputEventReceiver extends InputEventReceiver {
3398        public HideNavInputEventReceiver(InputChannel inputChannel, Looper looper) {
3399            super(inputChannel, looper);
3400        }
3401
3402        @Override
3403        public void onInputEvent(InputEvent event) {
3404            boolean handled = false;
3405            try {
3406                if (event instanceof MotionEvent
3407                        && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
3408                    final MotionEvent motionEvent = (MotionEvent)event;
3409                    if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
3410                        // When the user taps down, we re-show the nav bar.
3411                        boolean changed = false;
3412                        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3413                            // Any user activity always causes us to show the
3414                            // navigation controls, if they had been hidden.
3415                            // We also clear the low profile and only content
3416                            // flags so that tapping on the screen will atomically
3417                            // restore all currently hidden screen decorations.
3418                            int newVal = mResettingSystemUiFlags |
3419                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
3420                                    View.SYSTEM_UI_FLAG_LOW_PROFILE |
3421                                    View.SYSTEM_UI_FLAG_FULLSCREEN;
3422                            if (mResettingSystemUiFlags != newVal) {
3423                                mResettingSystemUiFlags = newVal;
3424                                changed = true;
3425                            }
3426                            // We don't allow the system's nav bar to be hidden
3427                            // again for 1 second, to prevent applications from
3428                            // spamming us and keeping it from being shown.
3429                            newVal = mForceClearedSystemUiFlags |
3430                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3431                            if (mForceClearedSystemUiFlags != newVal) {
3432                                mForceClearedSystemUiFlags = newVal;
3433                                changed = true;
3434                                mHandler.postDelayed(mClearHideNavigationFlag, 1000);
3435                            }
3436                        }
3437                        if (changed) {
3438                            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3439                        }
3440                    }
3441                }
3442            } finally {
3443                finishInputEvent(event, handled);
3444            }
3445        }
3446    }
3447    final InputEventReceiver.Factory mHideNavInputEventReceiverFactory =
3448            new InputEventReceiver.Factory() {
3449        @Override
3450        public InputEventReceiver createInputEventReceiver(
3451                InputChannel inputChannel, Looper looper) {
3452            return new HideNavInputEventReceiver(inputChannel, looper);
3453        }
3454    };
3455
3456    @Override
3457    public int adjustSystemUiVisibilityLw(int visibility) {
3458        mStatusBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3459        mNavigationBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3460        mRecentsVisible = (visibility & View.RECENT_APPS_VISIBLE) > 0;
3461
3462        // Reset any bits in mForceClearingStatusBarVisibility that
3463        // are now clear.
3464        mResettingSystemUiFlags &= visibility;
3465        // Clear any bits in the new visibility that are currently being
3466        // force cleared, before reporting it.
3467        return visibility & ~mResettingSystemUiFlags
3468                & ~mForceClearedSystemUiFlags;
3469    }
3470
3471    @Override
3472    public void getInsetHintLw(WindowManager.LayoutParams attrs, int displayRotation,
3473            Rect outContentInsets, Rect outStableInsets, Rect outOutsets) {
3474        final int fl = PolicyControl.getWindowFlags(null, attrs);
3475        final int sysuiVis = PolicyControl.getSystemUiVisibility(null, attrs);
3476        final int systemUiVisibility = (sysuiVis | attrs.subtreeSystemUiVisibility);
3477
3478        final boolean useOutsets = outOutsets != null && shouldUseOutsets(attrs, fl);
3479        if (useOutsets) {
3480            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
3481            if (outset > 0) {
3482                if (displayRotation == Surface.ROTATION_0) {
3483                    outOutsets.bottom += outset;
3484                } else if (displayRotation == Surface.ROTATION_90) {
3485                    outOutsets.right += outset;
3486                } else if (displayRotation == Surface.ROTATION_180) {
3487                    outOutsets.top += outset;
3488                } else if (displayRotation == Surface.ROTATION_270) {
3489                    outOutsets.left += outset;
3490                }
3491            }
3492        }
3493
3494        if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3495                == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3496            int availRight, availBottom;
3497            if (canHideNavigationBar() &&
3498                    (systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0) {
3499                availRight = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3500                availBottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3501            } else {
3502                availRight = mRestrictedScreenLeft + mRestrictedScreenWidth;
3503                availBottom = mRestrictedScreenTop + mRestrictedScreenHeight;
3504            }
3505            if ((systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3506                if ((fl & FLAG_FULLSCREEN) != 0) {
3507                    outContentInsets.set(mStableFullscreenLeft, mStableFullscreenTop,
3508                            availRight - mStableFullscreenRight,
3509                            availBottom - mStableFullscreenBottom);
3510                } else {
3511                    outContentInsets.set(mStableLeft, mStableTop,
3512                            availRight - mStableRight, availBottom - mStableBottom);
3513                }
3514            } else if ((fl & FLAG_FULLSCREEN) != 0 || (fl & FLAG_LAYOUT_IN_OVERSCAN) != 0) {
3515                outContentInsets.setEmpty();
3516            } else if ((systemUiVisibility & (View.SYSTEM_UI_FLAG_FULLSCREEN
3517                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)) == 0) {
3518                outContentInsets.set(mCurLeft, mCurTop,
3519                        availRight - mCurRight, availBottom - mCurBottom);
3520            } else {
3521                outContentInsets.set(mCurLeft, mCurTop,
3522                        availRight - mCurRight, availBottom - mCurBottom);
3523            }
3524
3525            outStableInsets.set(mStableLeft, mStableTop,
3526                    availRight - mStableRight, availBottom - mStableBottom);
3527            return;
3528        }
3529        outContentInsets.setEmpty();
3530        outStableInsets.setEmpty();
3531    }
3532
3533    private boolean shouldUseOutsets(WindowManager.LayoutParams attrs, int fl) {
3534        return attrs.type == TYPE_WALLPAPER || (fl & (WindowManager.LayoutParams.FLAG_FULLSCREEN
3535                | WindowManager.LayoutParams.FLAG_LAYOUT_IN_OVERSCAN)) != 0;
3536    }
3537
3538    /** {@inheritDoc} */
3539    @Override
3540    public void beginLayoutLw(boolean isDefaultDisplay, int displayWidth, int displayHeight,
3541                              int displayRotation) {
3542        mDisplayRotation = displayRotation;
3543        final int overscanLeft, overscanTop, overscanRight, overscanBottom;
3544        if (isDefaultDisplay) {
3545            switch (displayRotation) {
3546                case Surface.ROTATION_90:
3547                    overscanLeft = mOverscanTop;
3548                    overscanTop = mOverscanRight;
3549                    overscanRight = mOverscanBottom;
3550                    overscanBottom = mOverscanLeft;
3551                    break;
3552                case Surface.ROTATION_180:
3553                    overscanLeft = mOverscanRight;
3554                    overscanTop = mOverscanBottom;
3555                    overscanRight = mOverscanLeft;
3556                    overscanBottom = mOverscanTop;
3557                    break;
3558                case Surface.ROTATION_270:
3559                    overscanLeft = mOverscanBottom;
3560                    overscanTop = mOverscanLeft;
3561                    overscanRight = mOverscanTop;
3562                    overscanBottom = mOverscanRight;
3563                    break;
3564                default:
3565                    overscanLeft = mOverscanLeft;
3566                    overscanTop = mOverscanTop;
3567                    overscanRight = mOverscanRight;
3568                    overscanBottom = mOverscanBottom;
3569                    break;
3570            }
3571        } else {
3572            overscanLeft = 0;
3573            overscanTop = 0;
3574            overscanRight = 0;
3575            overscanBottom = 0;
3576        }
3577        mOverscanScreenLeft = mRestrictedOverscanScreenLeft = 0;
3578        mOverscanScreenTop = mRestrictedOverscanScreenTop = 0;
3579        mOverscanScreenWidth = mRestrictedOverscanScreenWidth = displayWidth;
3580        mOverscanScreenHeight = mRestrictedOverscanScreenHeight = displayHeight;
3581        mSystemLeft = 0;
3582        mSystemTop = 0;
3583        mSystemRight = displayWidth;
3584        mSystemBottom = displayHeight;
3585        mUnrestrictedScreenLeft = overscanLeft;
3586        mUnrestrictedScreenTop = overscanTop;
3587        mUnrestrictedScreenWidth = displayWidth - overscanLeft - overscanRight;
3588        mUnrestrictedScreenHeight = displayHeight - overscanTop - overscanBottom;
3589        mRestrictedScreenLeft = mUnrestrictedScreenLeft;
3590        mRestrictedScreenTop = mUnrestrictedScreenTop;
3591        mRestrictedScreenWidth = mSystemGestures.screenWidth = mUnrestrictedScreenWidth;
3592        mRestrictedScreenHeight = mSystemGestures.screenHeight = mUnrestrictedScreenHeight;
3593        mDockLeft = mContentLeft = mVoiceContentLeft = mStableLeft = mStableFullscreenLeft
3594                = mCurLeft = mUnrestrictedScreenLeft;
3595        mDockTop = mContentTop = mVoiceContentTop = mStableTop = mStableFullscreenTop
3596                = mCurTop = mUnrestrictedScreenTop;
3597        mDockRight = mContentRight = mVoiceContentRight = mStableRight = mStableFullscreenRight
3598                = mCurRight = displayWidth - overscanRight;
3599        mDockBottom = mContentBottom = mVoiceContentBottom = mStableBottom = mStableFullscreenBottom
3600                = mCurBottom = displayHeight - overscanBottom;
3601        mDockLayer = 0x10000000;
3602        mStatusBarLayer = -1;
3603
3604        // start with the current dock rect, which will be (0,0,displayWidth,displayHeight)
3605        final Rect pf = mTmpParentFrame;
3606        final Rect df = mTmpDisplayFrame;
3607        final Rect of = mTmpOverscanFrame;
3608        final Rect vf = mTmpVisibleFrame;
3609        final Rect dcf = mTmpDecorFrame;
3610        pf.left = df.left = of.left = vf.left = mDockLeft;
3611        pf.top = df.top = of.top = vf.top = mDockTop;
3612        pf.right = df.right = of.right = vf.right = mDockRight;
3613        pf.bottom = df.bottom = of.bottom = vf.bottom = mDockBottom;
3614        dcf.setEmpty();  // Decor frame N/A for system bars.
3615
3616        if (isDefaultDisplay) {
3617            // For purposes of putting out fake window up to steal focus, we will
3618            // drive nav being hidden only by whether it is requested.
3619            final int sysui = mLastSystemUiFlags;
3620            boolean navVisible = (sysui & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0;
3621            boolean navTranslucent = (sysui
3622                    & (View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT)) != 0;
3623            boolean immersive = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
3624            boolean immersiveSticky = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
3625            boolean navAllowedHidden = immersive || immersiveSticky;
3626            navTranslucent &= !immersiveSticky;  // transient trumps translucent
3627            boolean isKeyguardShowing = isStatusBarKeyguard() && !mHideLockScreen;
3628            if (!isKeyguardShowing) {
3629                navTranslucent &= areTranslucentBarsAllowed();
3630            }
3631
3632            // When the navigation bar isn't visible, we put up a fake
3633            // input window to catch all touch events.  This way we can
3634            // detect when the user presses anywhere to bring back the nav
3635            // bar and ensure the application doesn't see the event.
3636            if (navVisible || navAllowedHidden) {
3637                if (mInputConsumer != null) {
3638                    mInputConsumer.dismiss();
3639                    mInputConsumer = null;
3640                }
3641            } else if (mInputConsumer == null) {
3642                mInputConsumer = mWindowManagerFuncs.addInputConsumer(mHandler.getLooper(),
3643                        mHideNavInputEventReceiverFactory);
3644            }
3645
3646            // For purposes of positioning and showing the nav bar, if we have
3647            // decided that it can't be hidden (because of the screen aspect ratio),
3648            // then take that into account.
3649            navVisible |= !canHideNavigationBar();
3650
3651            boolean updateSysUiVisibility = layoutNavigationBar(displayWidth, displayHeight,
3652                    displayRotation, overscanRight, overscanBottom, dcf, navVisible, navTranslucent,
3653                    navAllowedHidden);
3654            if (DEBUG_LAYOUT) Slog.i(TAG, String.format("mDock rect: (%d,%d - %d,%d)",
3655                    mDockLeft, mDockTop, mDockRight, mDockBottom));
3656            updateSysUiVisibility |= layoutStatusBar(pf, df, of, vf, dcf, sysui, isKeyguardShowing);
3657            if (updateSysUiVisibility) {
3658                updateSystemUiVisibilityLw();
3659            }
3660        }
3661    }
3662
3663    private boolean layoutStatusBar(Rect pf, Rect df, Rect of, Rect vf, Rect dcf, int sysui,
3664            boolean isKeyguardShowing) {
3665        // decide where the status bar goes ahead of time
3666        if (mStatusBar != null) {
3667            // apply any navigation bar insets
3668            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3669            pf.top = df.top = of.top = mUnrestrictedScreenTop;
3670            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
3671            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight
3672                    + mUnrestrictedScreenTop;
3673            vf.left = mStableLeft;
3674            vf.top = mStableTop;
3675            vf.right = mStableRight;
3676            vf.bottom = mStableBottom;
3677
3678            mStatusBarLayer = mStatusBar.getSurfaceLayer();
3679
3680            // Let the status bar determine its size.
3681            mStatusBar.computeFrameLw(pf /* parentFrame */, df /* displayFrame */,
3682                    vf /* overlayFrame */, vf /* contentFrame */, vf /* visibleFrame */,
3683                    dcf /* decorFrame */, vf /* stableFrame */, vf /* outsetFrame */);
3684
3685            // For layout, the status bar is always at the top with our fixed height.
3686            mStableTop = mUnrestrictedScreenTop + mStatusBarHeight;
3687
3688            boolean statusBarTransient = (sysui & View.STATUS_BAR_TRANSIENT) != 0;
3689            boolean statusBarTranslucent = (sysui
3690                    & (View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT)) != 0;
3691            if (!isKeyguardShowing) {
3692                statusBarTranslucent &= areTranslucentBarsAllowed();
3693            }
3694
3695            // If the status bar is hidden, we don't want to cause
3696            // windows behind it to scroll.
3697            if (mStatusBar.isVisibleLw() && !statusBarTransient) {
3698                // Status bar may go away, so the screen area it occupies
3699                // is available to apps but just covering them when the
3700                // status bar is visible.
3701                mDockTop = mUnrestrictedScreenTop + mStatusBarHeight;
3702
3703                mContentTop = mVoiceContentTop = mCurTop = mDockTop;
3704                mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
3705                mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
3706                mContentRight = mVoiceContentRight = mCurRight = mDockRight;
3707
3708                if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar: " +
3709                        String.format(
3710                                "dock=[%d,%d][%d,%d] content=[%d,%d][%d,%d] cur=[%d,%d][%d,%d]",
3711                                mDockLeft, mDockTop, mDockRight, mDockBottom,
3712                                mContentLeft, mContentTop, mContentRight, mContentBottom,
3713                                mCurLeft, mCurTop, mCurRight, mCurBottom));
3714            }
3715            if (mStatusBar.isVisibleLw() && !mStatusBar.isAnimatingLw()
3716                    && !statusBarTransient && !statusBarTranslucent
3717                    && !mStatusBarController.wasRecentlyTranslucent()) {
3718                // If the opaque status bar is currently requested to be visible,
3719                // and not in the process of animating on or off, then
3720                // we can tell the app that it is covered by it.
3721                mSystemTop = mUnrestrictedScreenTop + mStatusBarHeight;
3722            }
3723            if (mStatusBarController.checkHiddenLw()) {
3724                return true;
3725            }
3726        }
3727        return false;
3728    }
3729
3730    private boolean layoutNavigationBar(int displayWidth, int displayHeight, int displayRotation,
3731            int overscanRight, int overscanBottom, Rect dcf, boolean navVisible,
3732            boolean navTranslucent, boolean navAllowedHidden) {
3733        if (mNavigationBar != null) {
3734            boolean transientNavBarShowing = mNavigationBarController.isTransientShowing();
3735            // Force the navigation bar to its appropriate place and
3736            // size.  We need to do this directly, instead of relying on
3737            // it to bubble up from the nav bar, because this needs to
3738            // change atomically with screen rotations.
3739            mNavigationBarOnBottom = (!mNavigationBarCanMove || displayWidth < displayHeight);
3740            if (mNavigationBarOnBottom) {
3741                // It's a system nav bar or a portrait screen; nav bar goes on bottom.
3742                int top = displayHeight - overscanBottom
3743                        - mNavigationBarHeightForRotation[displayRotation];
3744                mTmpNavigationFrame.set(0, top, displayWidth, displayHeight - overscanBottom);
3745                mStableBottom = mStableFullscreenBottom = mTmpNavigationFrame.top;
3746                if (transientNavBarShowing) {
3747                    mNavigationBarController.setBarShowingLw(true);
3748                } else if (navVisible) {
3749                    mNavigationBarController.setBarShowingLw(true);
3750                    mDockBottom = mTmpNavigationFrame.top;
3751                    mRestrictedScreenHeight = mDockBottom - mRestrictedScreenTop;
3752                    mRestrictedOverscanScreenHeight = mDockBottom - mRestrictedOverscanScreenTop;
3753                } else {
3754                    // We currently want to hide the navigation UI.
3755                    mNavigationBarController.setBarShowingLw(false);
3756                }
3757                if (navVisible && !navTranslucent && !navAllowedHidden
3758                        && !mNavigationBar.isAnimatingLw()
3759                        && !mNavigationBarController.wasRecentlyTranslucent()) {
3760                    // If the opaque nav bar is currently requested to be visible,
3761                    // and not in the process of animating on or off, then
3762                    // we can tell the app that it is covered by it.
3763                    mSystemBottom = mTmpNavigationFrame.top;
3764                }
3765            } else {
3766                // Landscape screen; nav bar goes to the right.
3767                int left = displayWidth - overscanRight
3768                        - mNavigationBarWidthForRotation[displayRotation];
3769                mTmpNavigationFrame.set(left, 0, displayWidth - overscanRight, displayHeight);
3770                mStableRight = mStableFullscreenRight = mTmpNavigationFrame.left;
3771                if (transientNavBarShowing) {
3772                    mNavigationBarController.setBarShowingLw(true);
3773                } else if (navVisible) {
3774                    mNavigationBarController.setBarShowingLw(true);
3775                    mDockRight = mTmpNavigationFrame.left;
3776                    mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
3777                    mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
3778                } else {
3779                    // We currently want to hide the navigation UI.
3780                    mNavigationBarController.setBarShowingLw(false);
3781                }
3782                if (navVisible && !navTranslucent && !navAllowedHidden
3783                        && !mNavigationBar.isAnimatingLw()
3784                        && !mNavigationBarController.wasRecentlyTranslucent()) {
3785                    // If the nav bar is currently requested to be visible,
3786                    // and not in the process of animating on or off, then
3787                    // we can tell the app that it is covered by it.
3788                    mSystemRight = mTmpNavigationFrame.left;
3789                }
3790            }
3791            // Make sure the content and current rectangles are updated to
3792            // account for the restrictions from the navigation bar.
3793            mContentTop = mVoiceContentTop = mCurTop = mDockTop;
3794            mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
3795            mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
3796            mContentRight = mVoiceContentRight = mCurRight = mDockRight;
3797            mStatusBarLayer = mNavigationBar.getSurfaceLayer();
3798            // And compute the final frame.
3799            mNavigationBar.computeFrameLw(mTmpNavigationFrame, mTmpNavigationFrame,
3800                    mTmpNavigationFrame, mTmpNavigationFrame, mTmpNavigationFrame, dcf,
3801                    mTmpNavigationFrame, mTmpNavigationFrame);
3802            if (DEBUG_LAYOUT) Slog.i(TAG, "mNavigationBar frame: " + mTmpNavigationFrame);
3803            if (mNavigationBarController.checkHiddenLw()) {
3804                return true;
3805            }
3806        }
3807        return false;
3808    }
3809
3810    /** {@inheritDoc} */
3811    @Override
3812    public int getSystemDecorLayerLw() {
3813        if (mStatusBar != null && mStatusBar.isVisibleLw()) {
3814            return mStatusBar.getSurfaceLayer();
3815        }
3816
3817        if (mNavigationBar != null && mNavigationBar.isVisibleLw()) {
3818            return mNavigationBar.getSurfaceLayer();
3819        }
3820
3821        return 0;
3822    }
3823
3824    @Override
3825    public void getContentRectLw(Rect r) {
3826        r.set(mContentLeft, mContentTop, mContentRight, mContentBottom);
3827    }
3828
3829    void setAttachedWindowFrames(WindowState win, int fl, int adjust, WindowState attached,
3830            boolean insetDecors, Rect pf, Rect df, Rect of, Rect cf, Rect vf) {
3831        if (win.getSurfaceLayer() > mDockLayer && attached.getSurfaceLayer() < mDockLayer) {
3832            // Here's a special case: if this attached window is a panel that is
3833            // above the dock window, and the window it is attached to is below
3834            // the dock window, then the frames we computed for the window it is
3835            // attached to can not be used because the dock is effectively part
3836            // of the underlying window and the attached window is floating on top
3837            // of the whole thing.  So, we ignore the attached window and explicitly
3838            // compute the frames that would be appropriate without the dock.
3839            df.left = of.left = cf.left = vf.left = mDockLeft;
3840            df.top = of.top = cf.top = vf.top = mDockTop;
3841            df.right = of.right = cf.right = vf.right = mDockRight;
3842            df.bottom = of.bottom = cf.bottom = vf.bottom = mDockBottom;
3843        } else {
3844            // The effective display frame of the attached window depends on
3845            // whether it is taking care of insetting its content.  If not,
3846            // we need to use the parent's content frame so that the entire
3847            // window is positioned within that content.  Otherwise we can use
3848            // the overscan frame and let the attached window take care of
3849            // positioning its content appropriately.
3850            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
3851                // Set the content frame of the attached window to the parent's decor frame
3852                // (same as content frame when IME isn't present) if specifically requested by
3853                // setting {@link WindowManager.LayoutParams#FLAG_LAYOUT_ATTACHED_IN_DECOR} flag.
3854                // Otherwise, use the overscan frame.
3855                cf.set((fl & FLAG_LAYOUT_ATTACHED_IN_DECOR) != 0
3856                        ? attached.getContentFrameLw() : attached.getOverscanFrameLw());
3857            } else {
3858                // If the window is resizing, then we want to base the content
3859                // frame on our attached content frame to resize...  however,
3860                // things can be tricky if the attached window is NOT in resize
3861                // mode, in which case its content frame will be larger.
3862                // Ungh.  So to deal with that, make sure the content frame
3863                // we end up using is not covering the IM dock.
3864                cf.set(attached.getContentFrameLw());
3865                if (attached.isVoiceInteraction()) {
3866                    if (cf.left < mVoiceContentLeft) cf.left = mVoiceContentLeft;
3867                    if (cf.top < mVoiceContentTop) cf.top = mVoiceContentTop;
3868                    if (cf.right > mVoiceContentRight) cf.right = mVoiceContentRight;
3869                    if (cf.bottom > mVoiceContentBottom) cf.bottom = mVoiceContentBottom;
3870                } else if (attached.getSurfaceLayer() < mDockLayer) {
3871                    if (cf.left < mContentLeft) cf.left = mContentLeft;
3872                    if (cf.top < mContentTop) cf.top = mContentTop;
3873                    if (cf.right > mContentRight) cf.right = mContentRight;
3874                    if (cf.bottom > mContentBottom) cf.bottom = mContentBottom;
3875                }
3876            }
3877            df.set(insetDecors ? attached.getDisplayFrameLw() : cf);
3878            of.set(insetDecors ? attached.getOverscanFrameLw() : cf);
3879            vf.set(attached.getVisibleFrameLw());
3880        }
3881        // The LAYOUT_IN_SCREEN flag is used to determine whether the attached
3882        // window should be positioned relative to its parent or the entire
3883        // screen.
3884        pf.set((fl & FLAG_LAYOUT_IN_SCREEN) == 0
3885                ? attached.getFrameLw() : df);
3886    }
3887
3888    private void applyStableConstraints(int sysui, int fl, Rect r) {
3889        if ((sysui & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3890            // If app is requesting a stable layout, don't let the
3891            // content insets go below the stable values.
3892            if ((fl & FLAG_FULLSCREEN) != 0) {
3893                if (r.left < mStableFullscreenLeft) r.left = mStableFullscreenLeft;
3894                if (r.top < mStableFullscreenTop) r.top = mStableFullscreenTop;
3895                if (r.right > mStableFullscreenRight) r.right = mStableFullscreenRight;
3896                if (r.bottom > mStableFullscreenBottom) r.bottom = mStableFullscreenBottom;
3897            } else {
3898                if (r.left < mStableLeft) r.left = mStableLeft;
3899                if (r.top < mStableTop) r.top = mStableTop;
3900                if (r.right > mStableRight) r.right = mStableRight;
3901                if (r.bottom > mStableBottom) r.bottom = mStableBottom;
3902            }
3903        }
3904    }
3905
3906    private boolean canReceiveInput(WindowState win) {
3907        boolean notFocusable =
3908                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) != 0;
3909        boolean altFocusableIm =
3910                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM) != 0;
3911        boolean notFocusableForIm = notFocusable ^ altFocusableIm;
3912        return !notFocusableForIm;
3913    }
3914
3915    /** {@inheritDoc} */
3916    @Override
3917    public void layoutWindowLw(WindowState win, WindowState attached) {
3918        // We've already done the navigation bar and status bar. If the status bar can receive
3919        // input, we need to layout it again to accomodate for the IME window.
3920        if ((win == mStatusBar && !canReceiveInput(win)) || win == mNavigationBar) {
3921            return;
3922        }
3923        final WindowManager.LayoutParams attrs = win.getAttrs();
3924        final boolean isDefaultDisplay = win.isDefaultDisplay();
3925        final boolean needsToOffsetInputMethodTarget = isDefaultDisplay &&
3926                (win == mLastInputMethodTargetWindow && mLastInputMethodWindow != null);
3927        if (needsToOffsetInputMethodTarget) {
3928            if (DEBUG_LAYOUT) Slog.i(TAG, "Offset ime target window by the last ime window state");
3929            offsetInputMethodWindowLw(mLastInputMethodWindow);
3930        }
3931
3932        final int fl = PolicyControl.getWindowFlags(win, attrs);
3933        final int sim = attrs.softInputMode;
3934        final int sysUiFl = PolicyControl.getSystemUiVisibility(win, null);
3935
3936        final Rect pf = mTmpParentFrame;
3937        final Rect df = mTmpDisplayFrame;
3938        final Rect of = mTmpOverscanFrame;
3939        final Rect cf = mTmpContentFrame;
3940        final Rect vf = mTmpVisibleFrame;
3941        final Rect dcf = mTmpDecorFrame;
3942        final Rect sf = mTmpStableFrame;
3943        Rect osf = null;
3944        dcf.setEmpty();
3945
3946        final boolean hasNavBar = (isDefaultDisplay && mHasNavigationBar
3947                && mNavigationBar != null && mNavigationBar.isVisibleLw());
3948
3949        final int adjust = sim & SOFT_INPUT_MASK_ADJUST;
3950
3951        if (isDefaultDisplay) {
3952            sf.set(mStableLeft, mStableTop, mStableRight, mStableBottom);
3953        } else {
3954            sf.set(mOverscanLeft, mOverscanTop, mOverscanRight, mOverscanBottom);
3955        }
3956
3957        if (!isDefaultDisplay) {
3958            if (attached != null) {
3959                // If this window is attached to another, our display
3960                // frame is the same as the one we are attached to.
3961                setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
3962            } else {
3963                // Give the window full screen.
3964                pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3965                pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3966                pf.right = df.right = of.right = cf.right
3967                        = mOverscanScreenLeft + mOverscanScreenWidth;
3968                pf.bottom = df.bottom = of.bottom = cf.bottom
3969                        = mOverscanScreenTop + mOverscanScreenHeight;
3970            }
3971        } else if (attrs.type == TYPE_INPUT_METHOD) {
3972            pf.left = df.left = of.left = cf.left = vf.left = mDockLeft;
3973            pf.top = df.top = of.top = cf.top = vf.top = mDockTop;
3974            pf.right = df.right = of.right = cf.right = vf.right = mDockRight;
3975            // IM dock windows layout below the nav bar...
3976            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3977            // ...with content insets above the nav bar
3978            cf.bottom = vf.bottom = mStableBottom;
3979            // IM dock windows always go to the bottom of the screen.
3980            attrs.gravity = Gravity.BOTTOM;
3981            mDockLayer = win.getSurfaceLayer();
3982        } else if (attrs.type == TYPE_VOICE_INTERACTION) {
3983            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3984            pf.top = df.top = of.top = mUnrestrictedScreenTop;
3985            pf.right = df.right = of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3986            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3987            cf.bottom = vf.bottom = mStableBottom;
3988            // Note: In Phone landscape mode, the button bar should also be excluded.
3989            cf.right = vf.right = mStableRight;
3990            cf.left = vf.left = mStableLeft;
3991            cf.top = vf.top = mStableTop;
3992        } else if (win == mStatusBar) {
3993            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3994            pf.top = df.top = of.top = mUnrestrictedScreenTop;
3995            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
3996            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight + mUnrestrictedScreenTop;
3997            cf.left = vf.left = mStableLeft;
3998            cf.top = vf.top = mStableTop;
3999            cf.right = vf.right = mStableRight;
4000            vf.bottom = mStableBottom;
4001            cf.bottom = mContentBottom;
4002        } else {
4003
4004            // Default policy decor for the default display
4005            dcf.left = mSystemLeft;
4006            dcf.top = mSystemTop;
4007            dcf.right = mSystemRight;
4008            dcf.bottom = mSystemBottom;
4009            final boolean inheritTranslucentDecor = (attrs.privateFlags
4010                    & WindowManager.LayoutParams.PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR) != 0;
4011            final boolean isAppWindow =
4012                    attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW &&
4013                    attrs.type <= WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
4014            final boolean topAtRest =
4015                    win == mTopFullscreenOpaqueWindowState && !win.isAnimatingLw();
4016            if (isAppWindow && !inheritTranslucentDecor && !topAtRest) {
4017                if ((sysUiFl & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0
4018                        && (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) == 0
4019                        && (fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) == 0
4020                        && (fl & WindowManager.LayoutParams.
4021                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0
4022                        && !mForceWindowDrawsStatusBarBackground) {
4023                    // Ensure policy decor includes status bar
4024                    dcf.top = mStableTop;
4025                }
4026                if ((fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) == 0
4027                        && (sysUiFl & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0
4028                        && (fl & WindowManager.LayoutParams.
4029                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
4030                    // Ensure policy decor includes navigation bar
4031                    dcf.bottom = mStableBottom;
4032                    dcf.right = mStableRight;
4033                }
4034            }
4035
4036            if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
4037                    == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
4038                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle()
4039                            + "): IN_SCREEN, INSET_DECOR");
4040                // This is the case for a normal activity window: we want it
4041                // to cover all of the screen space, and it can take care of
4042                // moving its contents to account for screen decorations that
4043                // intrude into that space.
4044                if (attached != null) {
4045                    // If this window is attached to another, our display
4046                    // frame is the same as the one we are attached to.
4047                    setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4048                } else {
4049                    if (attrs.type == TYPE_STATUS_BAR_PANEL
4050                            || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
4051                        // Status bar panels are the only windows who can go on top of
4052                        // the status bar.  They are protected by the STATUS_BAR_SERVICE
4053                        // permission, so they have the same privileges as the status
4054                        // bar itself.
4055                        //
4056                        // However, they should still dodge the navigation bar if it exists.
4057
4058                        pf.left = df.left = of.left = hasNavBar
4059                                ? mDockLeft : mUnrestrictedScreenLeft;
4060                        pf.top = df.top = of.top = mUnrestrictedScreenTop;
4061                        pf.right = df.right = of.right = hasNavBar
4062                                ? mRestrictedScreenLeft+mRestrictedScreenWidth
4063                                : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4064                        pf.bottom = df.bottom = of.bottom = hasNavBar
4065                                ? mRestrictedScreenTop+mRestrictedScreenHeight
4066                                : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4067
4068                        if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4069                                        "Laying out status bar window: (%d,%d - %d,%d)",
4070                                        pf.left, pf.top, pf.right, pf.bottom));
4071                    } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4072                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4073                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4074                        // Asking to layout into the overscan region, so give it that pure
4075                        // unrestricted area.
4076                        pf.left = df.left = of.left = mOverscanScreenLeft;
4077                        pf.top = df.top = of.top = mOverscanScreenTop;
4078                        pf.right = df.right = of.right = mOverscanScreenLeft + mOverscanScreenWidth;
4079                        pf.bottom = df.bottom = of.bottom = mOverscanScreenTop
4080                                + mOverscanScreenHeight;
4081                    } else if (canHideNavigationBar()
4082                            && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4083                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4084                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4085                        // Asking for layout as if the nav bar is hidden, lets the
4086                        // application extend into the unrestricted overscan screen area.  We
4087                        // only do this for application windows to ensure no window that
4088                        // can be above the nav bar can do this.
4089                        pf.left = df.left = mOverscanScreenLeft;
4090                        pf.top = df.top = mOverscanScreenTop;
4091                        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4092                        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4093                        // We need to tell the app about where the frame inside the overscan
4094                        // is, so it can inset its content by that amount -- it didn't ask
4095                        // to actually extend itself into the overscan region.
4096                        of.left = mUnrestrictedScreenLeft;
4097                        of.top = mUnrestrictedScreenTop;
4098                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4099                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4100                    } else {
4101                        pf.left = df.left = mRestrictedOverscanScreenLeft;
4102                        pf.top = df.top = mRestrictedOverscanScreenTop;
4103                        pf.right = df.right = mRestrictedOverscanScreenLeft
4104                                + mRestrictedOverscanScreenWidth;
4105                        pf.bottom = df.bottom = mRestrictedOverscanScreenTop
4106                                + mRestrictedOverscanScreenHeight;
4107                        // We need to tell the app about where the frame inside the overscan
4108                        // is, so it can inset its content by that amount -- it didn't ask
4109                        // to actually extend itself into the overscan region.
4110                        of.left = mUnrestrictedScreenLeft;
4111                        of.top = mUnrestrictedScreenTop;
4112                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4113                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4114                    }
4115
4116                    if ((fl & FLAG_FULLSCREEN) == 0) {
4117                        if (win.isVoiceInteraction()) {
4118                            cf.left = mVoiceContentLeft;
4119                            cf.top = mVoiceContentTop;
4120                            cf.right = mVoiceContentRight;
4121                            cf.bottom = mVoiceContentBottom;
4122                        } else {
4123                            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4124                                cf.left = mDockLeft;
4125                                cf.top = mDockTop;
4126                                cf.right = mDockRight;
4127                                cf.bottom = mDockBottom;
4128                            } else {
4129                                cf.left = mContentLeft;
4130                                cf.top = mContentTop;
4131                                cf.right = mContentRight;
4132                                cf.bottom = mContentBottom;
4133                            }
4134                        }
4135                    } else {
4136                        // Full screen windows are always given a layout that is as if the
4137                        // status bar and other transient decors are gone.  This is to avoid
4138                        // bad states when moving from a window that is not hding the
4139                        // status bar to one that is.
4140                        cf.left = mRestrictedScreenLeft;
4141                        cf.top = mRestrictedScreenTop;
4142                        cf.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
4143                        cf.bottom = mRestrictedScreenTop + mRestrictedScreenHeight;
4144                    }
4145                    applyStableConstraints(sysUiFl, fl, cf);
4146                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4147                        vf.left = mCurLeft;
4148                        vf.top = mCurTop;
4149                        vf.right = mCurRight;
4150                        vf.bottom = mCurBottom;
4151                    } else {
4152                        vf.set(cf);
4153                    }
4154                }
4155            } else if ((fl & FLAG_LAYOUT_IN_SCREEN) != 0 || (sysUiFl
4156                    & (View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
4157                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION)) != 0) {
4158                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4159                        "): IN_SCREEN");
4160                // A window that has requested to fill the entire screen just
4161                // gets everything, period.
4162                if (attrs.type == TYPE_STATUS_BAR_PANEL
4163                        || attrs.type == TYPE_STATUS_BAR_SUB_PANEL
4164                        || attrs.type == TYPE_VOLUME_OVERLAY) {
4165                    pf.left = df.left = of.left = cf.left = hasNavBar
4166                            ? mDockLeft : mUnrestrictedScreenLeft;
4167                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4168                    pf.right = df.right = of.right = cf.right = hasNavBar
4169                                        ? mRestrictedScreenLeft+mRestrictedScreenWidth
4170                                        : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4171                    pf.bottom = df.bottom = of.bottom = cf.bottom = hasNavBar
4172                                          ? mRestrictedScreenTop+mRestrictedScreenHeight
4173                                          : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4174                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4175                                    "Laying out IN_SCREEN status bar window: (%d,%d - %d,%d)",
4176                                    pf.left, pf.top, pf.right, pf.bottom));
4177                } else if (attrs.type == TYPE_NAVIGATION_BAR
4178                        || attrs.type == TYPE_NAVIGATION_BAR_PANEL) {
4179                    // The navigation bar has Real Ultimate Power.
4180                    pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4181                    pf.top = df.top = of.top = mUnrestrictedScreenTop;
4182                    pf.right = df.right = of.right = mUnrestrictedScreenLeft
4183                            + mUnrestrictedScreenWidth;
4184                    pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop
4185                            + mUnrestrictedScreenHeight;
4186                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4187                                    "Laying out navigation bar window: (%d,%d - %d,%d)",
4188                                    pf.left, pf.top, pf.right, pf.bottom));
4189                } else if ((attrs.type == TYPE_SECURE_SYSTEM_OVERLAY
4190                                || attrs.type == TYPE_BOOT_PROGRESS)
4191                        && ((fl & FLAG_FULLSCREEN) != 0)) {
4192                    // Fullscreen secure system overlays get what they ask for.
4193                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4194                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4195                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4196                            + mOverscanScreenWidth;
4197                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4198                            + mOverscanScreenHeight;
4199                } else if (attrs.type == TYPE_BOOT_PROGRESS) {
4200                    // Boot progress screen always covers entire display.
4201                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4202                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4203                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4204                            + mOverscanScreenWidth;
4205                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4206                            + mOverscanScreenHeight;
4207                } else if (attrs.type == TYPE_WALLPAPER) {
4208                    // The wallpaper also has Real Ultimate Power, but we want to tell
4209                    // it about the overscan area.
4210                    pf.left = df.left = mOverscanScreenLeft;
4211                    pf.top = df.top = mOverscanScreenTop;
4212                    pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4213                    pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4214                    of.left = cf.left = mUnrestrictedScreenLeft;
4215                    of.top = cf.top = mUnrestrictedScreenTop;
4216                    of.right = cf.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4217                    of.bottom = cf.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4218                } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4219                        && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4220                        && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4221                    // Asking to layout into the overscan region, so give it that pure
4222                    // unrestricted area.
4223                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4224                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4225                    pf.right = df.right = of.right = cf.right
4226                            = mOverscanScreenLeft + mOverscanScreenWidth;
4227                    pf.bottom = df.bottom = of.bottom = cf.bottom
4228                            = mOverscanScreenTop + mOverscanScreenHeight;
4229                } else if (canHideNavigationBar()
4230                        && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4231                        && (attrs.type == TYPE_STATUS_BAR
4232                            || attrs.type == TYPE_TOAST
4233                            || attrs.type == TYPE_VOICE_INTERACTION_STARTING
4234                            || (attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4235                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW))) {
4236                    // Asking for layout as if the nav bar is hidden, lets the
4237                    // application extend into the unrestricted screen area.  We
4238                    // only do this for application windows (or toasts) to ensure no window that
4239                    // can be above the nav bar can do this.
4240                    // XXX This assumes that an app asking for this will also
4241                    // ask for layout in only content.  We can't currently figure out
4242                    // what the screen would be if only laying out to hide the nav bar.
4243                    pf.left = df.left = of.left = cf.left = mUnrestrictedScreenLeft;
4244                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4245                    pf.right = df.right = of.right = cf.right = mUnrestrictedScreenLeft
4246                            + mUnrestrictedScreenWidth;
4247                    pf.bottom = df.bottom = of.bottom = cf.bottom = mUnrestrictedScreenTop
4248                            + mUnrestrictedScreenHeight;
4249                } else {
4250                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4251                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4252                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4253                            + mRestrictedScreenWidth;
4254                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4255                            + mRestrictedScreenHeight;
4256                }
4257
4258                applyStableConstraints(sysUiFl, fl, cf);
4259
4260                if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4261                    vf.left = mCurLeft;
4262                    vf.top = mCurTop;
4263                    vf.right = mCurRight;
4264                    vf.bottom = mCurBottom;
4265                } else {
4266                    vf.set(cf);
4267                }
4268            } else if (attached != null) {
4269                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4270                        "): attached to " + attached);
4271                // A child window should be placed inside of the same visible
4272                // frame that its parent had.
4273                setAttachedWindowFrames(win, fl, adjust, attached, false, pf, df, of, cf, vf);
4274            } else {
4275                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4276                        "): normal window");
4277                // Otherwise, a normal window must be placed inside the content
4278                // of all screen decorations.
4279                if (attrs.type == TYPE_STATUS_BAR_PANEL || attrs.type == TYPE_VOLUME_OVERLAY) {
4280                    // Status bar panels and the volume dialog are the only windows who can go on
4281                    // top of the status bar.  They are protected by the STATUS_BAR_SERVICE
4282                    // permission, so they have the same privileges as the status
4283                    // bar itself.
4284                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4285                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4286                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4287                            + mRestrictedScreenWidth;
4288                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4289                            + mRestrictedScreenHeight;
4290                } else if (attrs.type == TYPE_TOAST || attrs.type == TYPE_SYSTEM_ALERT) {
4291                    // These dialogs are stable to interim decor changes.
4292                    pf.left = df.left = of.left = cf.left = mStableLeft;
4293                    pf.top = df.top = of.top = cf.top = mStableTop;
4294                    pf.right = df.right = of.right = cf.right = mStableRight;
4295                    pf.bottom = df.bottom = of.bottom = cf.bottom = mStableBottom;
4296                } else {
4297                    pf.left = mContentLeft;
4298                    pf.top = mContentTop;
4299                    pf.right = mContentRight;
4300                    pf.bottom = mContentBottom;
4301                    if (win.isVoiceInteraction()) {
4302                        df.left = of.left = cf.left = mVoiceContentLeft;
4303                        df.top = of.top = cf.top = mVoiceContentTop;
4304                        df.right = of.right = cf.right = mVoiceContentRight;
4305                        df.bottom = of.bottom = cf.bottom = mVoiceContentBottom;
4306                    } else if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4307                        df.left = of.left = cf.left = mDockLeft;
4308                        df.top = of.top = cf.top = mDockTop;
4309                        df.right = of.right = cf.right = mDockRight;
4310                        df.bottom = of.bottom = cf.bottom = mDockBottom;
4311                    } else {
4312                        df.left = of.left = cf.left = mContentLeft;
4313                        df.top = of.top = cf.top = mContentTop;
4314                        df.right = of.right = cf.right = mContentRight;
4315                        df.bottom = of.bottom = cf.bottom = mContentBottom;
4316                    }
4317                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4318                        vf.left = mCurLeft;
4319                        vf.top = mCurTop;
4320                        vf.right = mCurRight;
4321                        vf.bottom = mCurBottom;
4322                    } else {
4323                        vf.set(cf);
4324                    }
4325                }
4326            }
4327        }
4328
4329        // TYPE_SYSTEM_ERROR is above the NavigationBar so it can't be allowed to extend over it.
4330        if ((fl & FLAG_LAYOUT_NO_LIMITS) != 0 && attrs.type != TYPE_SYSTEM_ERROR) {
4331            df.left = df.top = -10000;
4332            df.right = df.bottom = 10000;
4333            if (attrs.type != TYPE_WALLPAPER) {
4334                of.left = of.top = cf.left = cf.top = vf.left = vf.top = -10000;
4335                of.right = of.bottom = cf.right = cf.bottom = vf.right = vf.bottom = 10000;
4336            }
4337        }
4338
4339        // If the device has a chin (e.g. some watches), a dead area at the bottom of the screen we
4340        // need to provide information to the clients that want to pretend that you can draw there.
4341        // We only want to apply outsets to certain types of windows. For example, we never want to
4342        // apply the outsets to floating dialogs, because they wouldn't make sense there.
4343        final boolean useOutsets = shouldUseOutsets(attrs, fl);
4344        if (isDefaultDisplay && useOutsets) {
4345            osf = mTmpOutsetFrame;
4346            osf.set(cf.left, cf.top, cf.right, cf.bottom);
4347            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
4348            if (outset > 0) {
4349                int rotation = mDisplayRotation;
4350                if (rotation == Surface.ROTATION_0) {
4351                    osf.bottom += outset;
4352                } else if (rotation == Surface.ROTATION_90) {
4353                    osf.right += outset;
4354                } else if (rotation == Surface.ROTATION_180) {
4355                    osf.top -= outset;
4356                } else if (rotation == Surface.ROTATION_270) {
4357                    osf.left -= outset;
4358                }
4359                if (DEBUG_LAYOUT) Slog.v(TAG, "applying bottom outset of " + outset
4360                        + " with rotation " + rotation + ", result: " + osf);
4361            }
4362        }
4363
4364        if (DEBUG_LAYOUT) Slog.v(TAG, "Compute frame " + attrs.getTitle()
4365                + ": sim=#" + Integer.toHexString(sim)
4366                + " attach=" + attached + " type=" + attrs.type
4367                + String.format(" flags=0x%08x", fl)
4368                + " pf=" + pf.toShortString() + " df=" + df.toShortString()
4369                + " of=" + of.toShortString()
4370                + " cf=" + cf.toShortString() + " vf=" + vf.toShortString()
4371                + " dcf=" + dcf.toShortString()
4372                + " sf=" + sf.toShortString()
4373                + " osf=" + (osf == null ? "null" : osf.toShortString()));
4374
4375        win.computeFrameLw(pf, df, of, cf, vf, dcf, sf, osf);
4376
4377        // Dock windows carve out the bottom of the screen, so normal windows
4378        // can't appear underneath them.
4379        if (attrs.type == TYPE_INPUT_METHOD && win.isVisibleOrBehindKeyguardLw()
4380                && !win.getGivenInsetsPendingLw()) {
4381            setLastInputMethodWindowLw(null, null);
4382            offsetInputMethodWindowLw(win);
4383        }
4384        if (attrs.type == TYPE_VOICE_INTERACTION && win.isVisibleOrBehindKeyguardLw()
4385                && !win.getGivenInsetsPendingLw()) {
4386            offsetVoiceInputWindowLw(win);
4387        }
4388    }
4389
4390    private void offsetInputMethodWindowLw(WindowState win) {
4391        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4392        top += win.getGivenContentInsetsLw().top;
4393        if (mContentBottom > top) {
4394            mContentBottom = top;
4395        }
4396        if (mVoiceContentBottom > top) {
4397            mVoiceContentBottom = top;
4398        }
4399        top = win.getVisibleFrameLw().top;
4400        top += win.getGivenVisibleInsetsLw().top;
4401        if (mCurBottom > top) {
4402            mCurBottom = top;
4403        }
4404        if (DEBUG_LAYOUT) Slog.v(TAG, "Input method: mDockBottom="
4405                + mDockBottom + " mContentBottom="
4406                + mContentBottom + " mCurBottom=" + mCurBottom);
4407    }
4408
4409    private void offsetVoiceInputWindowLw(WindowState win) {
4410        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4411        top += win.getGivenContentInsetsLw().top;
4412        if (mVoiceContentBottom > top) {
4413            mVoiceContentBottom = top;
4414        }
4415    }
4416
4417    /** {@inheritDoc} */
4418    @Override
4419    public void finishLayoutLw() {
4420        return;
4421    }
4422
4423    /** {@inheritDoc} */
4424    @Override
4425    public void beginPostLayoutPolicyLw(int displayWidth, int displayHeight) {
4426        mTopFullscreenOpaqueWindowState = null;
4427        mTopFullscreenOpaqueOrDimmingWindowState = null;
4428        mAppsToBeHidden.clear();
4429        mAppsThatDismissKeyguard.clear();
4430        mForceStatusBar = false;
4431        mForceStatusBarFromKeyguard = false;
4432        mForceStatusBarTransparent = false;
4433        mForcingShowNavBar = false;
4434        mForcingShowNavBarLayer = -1;
4435
4436        mHideLockScreen = false;
4437        mAllowLockscreenWhenOn = false;
4438        mDismissKeyguard = DISMISS_KEYGUARD_NONE;
4439        mShowingLockscreen = false;
4440        mShowingDream = false;
4441        mWinShowWhenLocked = null;
4442        mKeyguardSecure = isKeyguardSecure();
4443        mKeyguardSecureIncludingHidden = mKeyguardSecure
4444                && (mKeyguardDelegate != null && mKeyguardDelegate.isShowing());
4445    }
4446
4447    /** {@inheritDoc} */
4448    @Override
4449    public void applyPostLayoutPolicyLw(WindowState win, WindowManager.LayoutParams attrs,
4450            WindowState attached) {
4451        if (DEBUG_LAYOUT) Slog.i(TAG, "Win " + win + ": isVisibleOrBehindKeyguardLw="
4452                + win.isVisibleOrBehindKeyguardLw());
4453        final int fl = PolicyControl.getWindowFlags(win, attrs);
4454        if (mTopFullscreenOpaqueWindowState == null
4455                && win.isVisibleLw() && attrs.type == TYPE_INPUT_METHOD) {
4456            mForcingShowNavBar = true;
4457            mForcingShowNavBarLayer = win.getSurfaceLayer();
4458        }
4459        if (attrs.type == TYPE_STATUS_BAR) {
4460            if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4461                mForceStatusBarFromKeyguard = true;
4462                mShowingLockscreen = true;
4463            }
4464            if ((attrs.privateFlags & PRIVATE_FLAG_FORCE_STATUS_BAR_VISIBLE_TRANSPARENT) != 0) {
4465                mForceStatusBarTransparent = true;
4466            }
4467        }
4468
4469        boolean appWindow = attrs.type >= FIRST_APPLICATION_WINDOW
4470                && attrs.type < FIRST_SYSTEM_WINDOW;
4471        final boolean showWhenLocked = (fl & FLAG_SHOW_WHEN_LOCKED) != 0;
4472        final boolean dismissKeyguard = (fl & FLAG_DISMISS_KEYGUARD) != 0;
4473
4474        if (mTopFullscreenOpaqueWindowState == null &&
4475                win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()) {
4476            if ((fl & FLAG_FORCE_NOT_FULLSCREEN) != 0) {
4477                if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4478                    mForceStatusBarFromKeyguard = true;
4479                } else {
4480                    mForceStatusBar = true;
4481                }
4482            }
4483            if (attrs.type == TYPE_DREAM) {
4484                // If the lockscreen was showing when the dream started then wait
4485                // for the dream to draw before hiding the lockscreen.
4486                if (!mDreamingLockscreen
4487                        || (win.isVisibleLw() && win.hasDrawnLw())) {
4488                    mShowingDream = true;
4489                    appWindow = true;
4490                }
4491            }
4492
4493            final IApplicationToken appToken = win.getAppToken();
4494
4495            // For app windows that are not attached, we decide if all windows in the app they
4496            // represent should be hidden or if we should hide the lockscreen. For attached app
4497            // windows we defer the decision to the window it is attached to.
4498            if (appWindow && attached == null) {
4499                if (showWhenLocked) {
4500                    // Remove any previous windows with the same appToken.
4501                    mAppsToBeHidden.remove(appToken);
4502                    mAppsThatDismissKeyguard.remove(appToken);
4503                    if (mAppsToBeHidden.isEmpty()) {
4504                        if (dismissKeyguard && !mKeyguardSecure) {
4505                            mAppsThatDismissKeyguard.add(appToken);
4506                        } else if (win.isDrawnLw() || win.hasAppShownWindows()) {
4507                            mWinShowWhenLocked = win;
4508                            mHideLockScreen = true;
4509                            mForceStatusBarFromKeyguard = false;
4510                        }
4511                    }
4512                } else if (dismissKeyguard) {
4513                    if (mKeyguardSecure) {
4514                        mAppsToBeHidden.add(appToken);
4515                    } else {
4516                        mAppsToBeHidden.remove(appToken);
4517                    }
4518                    mAppsThatDismissKeyguard.add(appToken);
4519                } else {
4520                    mAppsToBeHidden.add(appToken);
4521                }
4522                if (attrs.x == 0 && attrs.y == 0
4523                        && attrs.width == WindowManager.LayoutParams.MATCH_PARENT
4524                        && attrs.height == WindowManager.LayoutParams.MATCH_PARENT) {
4525                    if (DEBUG_LAYOUT) Slog.v(TAG, "Fullscreen window: " + win);
4526                    mTopFullscreenOpaqueWindowState = win;
4527                    if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
4528                        mTopFullscreenOpaqueOrDimmingWindowState = win;
4529                    }
4530                    if (!mAppsThatDismissKeyguard.isEmpty() &&
4531                            mDismissKeyguard == DISMISS_KEYGUARD_NONE) {
4532                        if (DEBUG_LAYOUT) Slog.v(TAG,
4533                                "Setting mDismissKeyguard true by win " + win);
4534                        mDismissKeyguard = (mWinDismissingKeyguard == win
4535                                && mSecureDismissingKeyguard == mKeyguardSecure)
4536                                ? DISMISS_KEYGUARD_CONTINUE : DISMISS_KEYGUARD_START;
4537                        mWinDismissingKeyguard = win;
4538                        mSecureDismissingKeyguard = mKeyguardSecure;
4539                        mForceStatusBarFromKeyguard = mShowingLockscreen && mKeyguardSecure;
4540                    } else if (mAppsToBeHidden.isEmpty() && showWhenLocked
4541                            && (win.isDrawnLw() || win.hasAppShownWindows())) {
4542                        if (DEBUG_LAYOUT) Slog.v(TAG,
4543                                "Setting mHideLockScreen to true by win " + win);
4544                        mHideLockScreen = true;
4545                        mForceStatusBarFromKeyguard = false;
4546                    }
4547                    if ((fl & FLAG_ALLOW_LOCK_WHILE_SCREEN_ON) != 0) {
4548                        mAllowLockscreenWhenOn = true;
4549                    }
4550                }
4551
4552                if (mWinShowWhenLocked != null &&
4553                        mWinShowWhenLocked.getAppToken() != win.getAppToken() &&
4554                        (attrs.flags & FLAG_SHOW_WHEN_LOCKED) == 0) {
4555                    win.hideLw(false);
4556                }
4557            }
4558        } else if (mTopFullscreenOpaqueWindowState == null && mWinShowWhenLocked == null) {
4559            // No TopFullscreenOpaqueWindow is showing, but we found a SHOW_WHEN_LOCKED window
4560            // that is being hidden in an animation - keep the
4561            // keyguard hidden until the new window shows up and
4562            // we know whether to show the keyguard or not.
4563            if (win.isAnimatingLw() && appWindow && showWhenLocked && mKeyguardHidden) {
4564                mHideLockScreen = true;
4565                mWinShowWhenLocked = win;
4566            }
4567        }
4568        if (mTopFullscreenOpaqueOrDimmingWindowState == null
4569                && win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()
4570                && win.isDimming()) {
4571            mTopFullscreenOpaqueOrDimmingWindowState = win;
4572        }
4573    }
4574
4575    /** {@inheritDoc} */
4576    @Override
4577    public int finishPostLayoutPolicyLw() {
4578        if (mWinShowWhenLocked != null && mTopFullscreenOpaqueWindowState != null &&
4579                mWinShowWhenLocked.getAppToken() != mTopFullscreenOpaqueWindowState.getAppToken()
4580                && isKeyguardLocked()) {
4581            // A dialog is dismissing the keyguard. Put the wallpaper behind it and hide the
4582            // fullscreen window.
4583            // TODO: Make sure FLAG_SHOW_WALLPAPER is restored when dialog is dismissed. Or not.
4584            mWinShowWhenLocked.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
4585            mTopFullscreenOpaqueWindowState.hideLw(false);
4586            mTopFullscreenOpaqueWindowState = mWinShowWhenLocked;
4587        }
4588
4589        int changes = 0;
4590        boolean topIsFullscreen = false;
4591
4592        final WindowManager.LayoutParams lp = (mTopFullscreenOpaqueWindowState != null)
4593                ? mTopFullscreenOpaqueWindowState.getAttrs()
4594                : null;
4595
4596        // If we are not currently showing a dream then remember the current
4597        // lockscreen state.  We will use this to determine whether the dream
4598        // started while the lockscreen was showing and remember this state
4599        // while the dream is showing.
4600        if (!mShowingDream) {
4601            mDreamingLockscreen = mShowingLockscreen;
4602            if (mDreamingSleepTokenNeeded) {
4603                mDreamingSleepTokenNeeded = false;
4604                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 0, 1).sendToTarget();
4605            }
4606        } else {
4607            if (!mDreamingSleepTokenNeeded) {
4608                mDreamingSleepTokenNeeded = true;
4609                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 1, 1).sendToTarget();
4610            }
4611        }
4612
4613        if (mStatusBar != null) {
4614            if (DEBUG_LAYOUT) Slog.i(TAG, "force=" + mForceStatusBar
4615                    + " forcefkg=" + mForceStatusBarFromKeyguard
4616                    + " top=" + mTopFullscreenOpaqueWindowState);
4617            boolean shouldBeTransparent = mForceStatusBarTransparent
4618                    && !mForceStatusBar
4619                    && !mForceStatusBarFromKeyguard;
4620            if (!shouldBeTransparent) {
4621                mStatusBarController.setShowTransparent(false /* transparent */);
4622            } else if (!mStatusBar.isVisibleLw()) {
4623                mStatusBarController.setShowTransparent(true /* transparent */);
4624            }
4625            if (mForceStatusBar || mForceStatusBarFromKeyguard || mForceStatusBarTransparent) {
4626                if (DEBUG_LAYOUT) Slog.v(TAG, "Showing status bar: forced");
4627                if (mStatusBarController.setBarShowingLw(true)) {
4628                    changes |= FINISH_LAYOUT_REDO_LAYOUT;
4629                }
4630                // Maintain fullscreen layout until incoming animation is complete.
4631                topIsFullscreen = mTopIsFullscreen && mStatusBar.isAnimatingLw();
4632                // Transient status bar on the lockscreen is not allowed
4633                if (mForceStatusBarFromKeyguard && mStatusBarController.isTransientShowing()) {
4634                    mStatusBarController.updateVisibilityLw(false /*transientAllowed*/,
4635                            mLastSystemUiFlags, mLastSystemUiFlags);
4636                }
4637            } else if (mTopFullscreenOpaqueWindowState != null) {
4638                final int fl = PolicyControl.getWindowFlags(null, lp);
4639                if (localLOGV) {
4640                    Slog.d(TAG, "frame: " + mTopFullscreenOpaqueWindowState.getFrameLw()
4641                            + " shown position: "
4642                            + mTopFullscreenOpaqueWindowState.getShownPositionLw());
4643                    Slog.d(TAG, "attr: " + mTopFullscreenOpaqueWindowState.getAttrs()
4644                            + " lp.flags=0x" + Integer.toHexString(fl));
4645                }
4646                topIsFullscreen = (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0
4647                        || (mLastSystemUiFlags & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
4648                // The subtle difference between the window for mTopFullscreenOpaqueWindowState
4649                // and mTopIsFullscreen is that mTopIsFullscreen is set only if the window
4650                // has the FLAG_FULLSCREEN set.  Not sure if there is another way that to be the
4651                // case though.
4652                if (mStatusBarController.isTransientShowing()) {
4653                    if (mStatusBarController.setBarShowingLw(true)) {
4654                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4655                    }
4656                } else if (topIsFullscreen
4657                        && !mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID)
4658                        && !mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID)) {
4659                    if (DEBUG_LAYOUT) Slog.v(TAG, "** HIDING status bar");
4660                    if (mStatusBarController.setBarShowingLw(false)) {
4661                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4662                    } else {
4663                        if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar already hiding");
4664                    }
4665                } else {
4666                    if (DEBUG_LAYOUT) Slog.v(TAG, "** SHOWING status bar: top is not fullscreen");
4667                    if (mStatusBarController.setBarShowingLw(true)) {
4668                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4669                    }
4670                }
4671            }
4672        }
4673
4674        if (mTopIsFullscreen != topIsFullscreen) {
4675            if (!topIsFullscreen) {
4676                // Force another layout when status bar becomes fully shown.
4677                changes |= FINISH_LAYOUT_REDO_LAYOUT;
4678            }
4679            mTopIsFullscreen = topIsFullscreen;
4680        }
4681
4682        // Hide the key guard if a visible window explicitly specifies that it wants to be
4683        // displayed when the screen is locked.
4684        if (mKeyguardDelegate != null && mStatusBar != null) {
4685            if (localLOGV) Slog.v(TAG, "finishPostLayoutPolicyLw: mHideKeyguard="
4686                    + mHideLockScreen);
4687            if (mDismissKeyguard != DISMISS_KEYGUARD_NONE && !mKeyguardSecure) {
4688                mKeyguardHidden = true;
4689                if (setKeyguardOccludedLw(true)) {
4690                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4691                            | FINISH_LAYOUT_REDO_CONFIG
4692                            | FINISH_LAYOUT_REDO_WALLPAPER;
4693                }
4694                if (mKeyguardDelegate.isShowing()) {
4695                    mHandler.post(new Runnable() {
4696                        @Override
4697                        public void run() {
4698                            mKeyguardDelegate.keyguardDone(false, false);
4699                        }
4700                    });
4701                }
4702            } else if (mHideLockScreen) {
4703                mKeyguardHidden = true;
4704                mWinDismissingKeyguard = null;
4705                if (setKeyguardOccludedLw(true)) {
4706                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4707                            | FINISH_LAYOUT_REDO_CONFIG
4708                            | FINISH_LAYOUT_REDO_WALLPAPER;
4709                }
4710            } else if (mDismissKeyguard != DISMISS_KEYGUARD_NONE) {
4711                mKeyguardHidden = false;
4712                if (setKeyguardOccludedLw(false)) {
4713                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4714                            | FINISH_LAYOUT_REDO_CONFIG
4715                            | FINISH_LAYOUT_REDO_WALLPAPER;
4716                }
4717                if (mDismissKeyguard == DISMISS_KEYGUARD_START) {
4718                    // Only launch the next keyguard unlock window once per window.
4719                    mHandler.post(new Runnable() {
4720                        @Override
4721                        public void run() {
4722                            mKeyguardDelegate.dismiss();
4723                        }
4724                    });
4725                }
4726            } else {
4727                mWinDismissingKeyguard = null;
4728                mSecureDismissingKeyguard = false;
4729                mKeyguardHidden = false;
4730                if (setKeyguardOccludedLw(false)) {
4731                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4732                            | FINISH_LAYOUT_REDO_CONFIG
4733                            | FINISH_LAYOUT_REDO_WALLPAPER;
4734                }
4735            }
4736        }
4737
4738        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
4739            // If the navigation bar has been hidden or shown, we need to do another
4740            // layout pass to update that window.
4741            changes |= FINISH_LAYOUT_REDO_LAYOUT;
4742        }
4743
4744        // update since mAllowLockscreenWhenOn might have changed
4745        updateLockScreenTimeout();
4746        return changes;
4747    }
4748
4749    /**
4750     * Updates the occluded state of the Keyguard.
4751     *
4752     * @return Whether the flags have changed and we have to redo the layout.
4753     */
4754    private boolean setKeyguardOccludedLw(boolean isOccluded) {
4755        boolean wasOccluded = mKeyguardOccluded;
4756        boolean showing = mKeyguardDelegate.isShowing();
4757        if (wasOccluded && !isOccluded && showing) {
4758            mKeyguardOccluded = false;
4759            mKeyguardDelegate.setOccluded(false);
4760            mStatusBar.getAttrs().privateFlags |= PRIVATE_FLAG_KEYGUARD;
4761            mStatusBar.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
4762            return true;
4763        } else if (!wasOccluded && isOccluded && showing) {
4764            mKeyguardOccluded = true;
4765            mKeyguardDelegate.setOccluded(true);
4766            mStatusBar.getAttrs().privateFlags &= ~PRIVATE_FLAG_KEYGUARD;
4767            mStatusBar.getAttrs().flags &= ~FLAG_SHOW_WALLPAPER;
4768            return true;
4769        } else {
4770            return false;
4771        }
4772    }
4773
4774    private boolean isStatusBarKeyguard() {
4775        return mStatusBar != null
4776                && (mStatusBar.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
4777    }
4778
4779    @Override
4780    public boolean allowAppAnimationsLw() {
4781        if (isStatusBarKeyguard() || mShowingDream) {
4782            // If keyguard or dreams is currently visible, no reason to animate behind it.
4783            return false;
4784        }
4785        return true;
4786    }
4787
4788    @Override
4789    public int focusChangedLw(WindowState lastFocus, WindowState newFocus) {
4790        mFocusedWindow = newFocus;
4791        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
4792            // If the navigation bar has been hidden or shown, we need to do another
4793            // layout pass to update that window.
4794            return FINISH_LAYOUT_REDO_LAYOUT;
4795        }
4796        return 0;
4797    }
4798
4799    /** {@inheritDoc} */
4800    @Override
4801    public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
4802        // lid changed state
4803        final int newLidState = lidOpen ? LID_OPEN : LID_CLOSED;
4804        if (newLidState == mLidState) {
4805            return;
4806        }
4807
4808        mLidState = newLidState;
4809        applyLidSwitchState();
4810        updateRotation(true);
4811
4812        if (lidOpen) {
4813            wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromLidSwitch,
4814                    "android.policy:LID");
4815        } else if (!mLidControlsSleep) {
4816            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
4817        }
4818    }
4819
4820    @Override
4821    public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) {
4822        int lensCoverState = lensCovered ? CAMERA_LENS_COVERED : CAMERA_LENS_UNCOVERED;
4823        if (mCameraLensCoverState == lensCoverState) {
4824            return;
4825        }
4826        if (mCameraLensCoverState == CAMERA_LENS_COVERED &&
4827                lensCoverState == CAMERA_LENS_UNCOVERED) {
4828            Intent intent;
4829            final boolean keyguardActive = mKeyguardDelegate == null ? false :
4830                    mKeyguardDelegate.isShowing();
4831            if (keyguardActive) {
4832                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);
4833            } else {
4834                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
4835            }
4836            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromCameraLens,
4837                    "android.policy:CAMERA_COVER");
4838            startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
4839        }
4840        mCameraLensCoverState = lensCoverState;
4841    }
4842
4843    void setHdmiPlugged(boolean plugged) {
4844        if (mHdmiPlugged != plugged) {
4845            mHdmiPlugged = plugged;
4846            updateRotation(true, true);
4847            Intent intent = new Intent(ACTION_HDMI_PLUGGED);
4848            intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
4849            intent.putExtra(EXTRA_HDMI_PLUGGED_STATE, plugged);
4850            mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
4851        }
4852    }
4853
4854    void initializeHdmiState() {
4855        boolean plugged = false;
4856        // watch for HDMI plug messages if the hdmi switch exists
4857        if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
4858            mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
4859
4860            final String filename = "/sys/class/switch/hdmi/state";
4861            FileReader reader = null;
4862            try {
4863                reader = new FileReader(filename);
4864                char[] buf = new char[15];
4865                int n = reader.read(buf);
4866                if (n > 1) {
4867                    plugged = 0 != Integer.parseInt(new String(buf, 0, n-1));
4868                }
4869            } catch (IOException ex) {
4870                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
4871            } catch (NumberFormatException ex) {
4872                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
4873            } finally {
4874                if (reader != null) {
4875                    try {
4876                        reader.close();
4877                    } catch (IOException ex) {
4878                    }
4879                }
4880            }
4881        }
4882        // This dance forces the code in setHdmiPlugged to run.
4883        // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
4884        mHdmiPlugged = !plugged;
4885        setHdmiPlugged(!mHdmiPlugged);
4886    }
4887
4888    final Object mScreenshotLock = new Object();
4889    ServiceConnection mScreenshotConnection = null;
4890
4891    final Runnable mScreenshotTimeout = new Runnable() {
4892        @Override public void run() {
4893            synchronized (mScreenshotLock) {
4894                if (mScreenshotConnection != null) {
4895                    mContext.unbindService(mScreenshotConnection);
4896                    mScreenshotConnection = null;
4897                }
4898            }
4899        }
4900    };
4901
4902    // Assume this is called from the Handler thread.
4903    private void takeScreenshot() {
4904        synchronized (mScreenshotLock) {
4905            if (mScreenshotConnection != null) {
4906                return;
4907            }
4908            ComponentName cn = new ComponentName("com.android.systemui",
4909                    "com.android.systemui.screenshot.TakeScreenshotService");
4910            Intent intent = new Intent();
4911            intent.setComponent(cn);
4912            ServiceConnection conn = new ServiceConnection() {
4913                @Override
4914                public void onServiceConnected(ComponentName name, IBinder service) {
4915                    synchronized (mScreenshotLock) {
4916                        if (mScreenshotConnection != this) {
4917                            return;
4918                        }
4919                        Messenger messenger = new Messenger(service);
4920                        Message msg = Message.obtain(null, 1);
4921                        final ServiceConnection myConn = this;
4922                        Handler h = new Handler(mHandler.getLooper()) {
4923                            @Override
4924                            public void handleMessage(Message msg) {
4925                                synchronized (mScreenshotLock) {
4926                                    if (mScreenshotConnection == myConn) {
4927                                        mContext.unbindService(mScreenshotConnection);
4928                                        mScreenshotConnection = null;
4929                                        mHandler.removeCallbacks(mScreenshotTimeout);
4930                                    }
4931                                }
4932                            }
4933                        };
4934                        msg.replyTo = new Messenger(h);
4935                        msg.arg1 = msg.arg2 = 0;
4936                        if (mStatusBar != null && mStatusBar.isVisibleLw())
4937                            msg.arg1 = 1;
4938                        if (mNavigationBar != null && mNavigationBar.isVisibleLw())
4939                            msg.arg2 = 1;
4940                        try {
4941                            messenger.send(msg);
4942                        } catch (RemoteException e) {
4943                        }
4944                    }
4945                }
4946                @Override
4947                public void onServiceDisconnected(ComponentName name) {}
4948            };
4949            if (mContext.bindServiceAsUser(
4950                    intent, conn, Context.BIND_AUTO_CREATE, UserHandle.CURRENT)) {
4951                mScreenshotConnection = conn;
4952                mHandler.postDelayed(mScreenshotTimeout, 10000);
4953            }
4954        }
4955    }
4956
4957    /** {@inheritDoc} */
4958    @Override
4959    public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) {
4960        if (!mSystemBooted) {
4961            // If we have not yet booted, don't let key events do anything.
4962            return 0;
4963        }
4964
4965        final boolean interactive = (policyFlags & FLAG_INTERACTIVE) != 0;
4966        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
4967        final boolean canceled = event.isCanceled();
4968        final int keyCode = event.getKeyCode();
4969
4970        final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;
4971
4972        // If screen is off then we treat the case where the keyguard is open but hidden
4973        // the same as if it were open and in front.
4974        // This will prevent any keys other than the power button from waking the screen
4975        // when the keyguard is hidden by another activity.
4976        final boolean keyguardActive = (mKeyguardDelegate == null ? false :
4977                                            (interactive ?
4978                                                isKeyguardShowingAndNotOccluded() :
4979                                                mKeyguardDelegate.isShowing()));
4980
4981        if (DEBUG_INPUT) {
4982            Log.d(TAG, "interceptKeyTq keycode=" + keyCode
4983                    + " interactive=" + interactive + " keyguardActive=" + keyguardActive
4984                    + " policyFlags=" + Integer.toHexString(policyFlags));
4985        }
4986
4987        // Basic policy based on interactive state.
4988        int result;
4989        boolean isWakeKey = (policyFlags & WindowManagerPolicy.FLAG_WAKE) != 0
4990                || event.isWakeKey();
4991        if (interactive || (isInjected && !isWakeKey)) {
4992            // When the device is interactive or the key is injected pass the
4993            // key to the application.
4994            result = ACTION_PASS_TO_USER;
4995            isWakeKey = false;
4996        } else if (!interactive && shouldDispatchInputWhenNonInteractive()) {
4997            // If we're currently dozing with the screen on and the keyguard showing, pass the key
4998            // to the application but preserve its wake key status to make sure we still move
4999            // from dozing to fully interactive if we would normally go from off to fully
5000            // interactive.
5001            result = ACTION_PASS_TO_USER;
5002        } else {
5003            // When the screen is off and the key is not injected, determine whether
5004            // to wake the device but don't pass the key to the application.
5005            result = 0;
5006            if (isWakeKey && (!down || !isWakeKeyWhenScreenOff(keyCode))) {
5007                isWakeKey = false;
5008            }
5009        }
5010
5011        // If the key would be handled globally, just return the result, don't worry about special
5012        // key processing.
5013        if (isValidGlobalKey(keyCode)
5014                && mGlobalKeyManager.shouldHandleGlobalKey(keyCode, event)) {
5015            if (isWakeKey) {
5016                wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5017            }
5018            return result;
5019        }
5020
5021        boolean useHapticFeedback = down
5022                && (policyFlags & WindowManagerPolicy.FLAG_VIRTUAL) != 0
5023                && event.getRepeatCount() == 0;
5024
5025        // Handle special keys.
5026        switch (keyCode) {
5027            case KeyEvent.KEYCODE_VOLUME_DOWN:
5028            case KeyEvent.KEYCODE_VOLUME_UP:
5029            case KeyEvent.KEYCODE_VOLUME_MUTE: {
5030                if (mUseTvRouting) {
5031                    // On TVs volume keys never go to the foreground app
5032                    result &= ~ACTION_PASS_TO_USER;
5033                }
5034                if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
5035                    if (down) {
5036                        if (interactive && !mScreenshotChordVolumeDownKeyTriggered
5037                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5038                            mScreenshotChordVolumeDownKeyTriggered = true;
5039                            mScreenshotChordVolumeDownKeyTime = event.getDownTime();
5040                            mScreenshotChordVolumeDownKeyConsumed = false;
5041                            cancelPendingPowerKeyAction();
5042                            interceptScreenshotChord();
5043                        }
5044                    } else {
5045                        mScreenshotChordVolumeDownKeyTriggered = false;
5046                        cancelPendingScreenshotChordAction();
5047                    }
5048                } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
5049                    if (down) {
5050                        if (interactive && !mScreenshotChordVolumeUpKeyTriggered
5051                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5052                            mScreenshotChordVolumeUpKeyTriggered = true;
5053                            cancelPendingPowerKeyAction();
5054                            cancelPendingScreenshotChordAction();
5055                        }
5056                    } else {
5057                        mScreenshotChordVolumeUpKeyTriggered = false;
5058                        cancelPendingScreenshotChordAction();
5059                    }
5060                }
5061                if (down) {
5062                    TelecomManager telecomManager = getTelecommService();
5063                    if (telecomManager != null) {
5064                        if (telecomManager.isRinging()) {
5065                            // If an incoming call is ringing, either VOLUME key means
5066                            // "silence ringer".  We handle these keys here, rather than
5067                            // in the InCallScreen, to make sure we'll respond to them
5068                            // even if the InCallScreen hasn't come to the foreground yet.
5069                            // Look for the DOWN event here, to agree with the "fallback"
5070                            // behavior in the InCallScreen.
5071                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5072                                  + " VOLUME key-down while ringing: Silence ringer!");
5073
5074                            // Silence the ringer.  (It's safe to call this
5075                            // even if the ringer has already been silenced.)
5076                            telecomManager.silenceRinger();
5077
5078                            // And *don't* pass this key thru to the current activity
5079                            // (which is probably the InCallScreen.)
5080                            result &= ~ACTION_PASS_TO_USER;
5081                            break;
5082                        }
5083                        if (telecomManager.isInCall()
5084                                && (result & ACTION_PASS_TO_USER) == 0) {
5085                            // If we are in call but we decided not to pass the key to
5086                            // the application, just pass it to the session service.
5087
5088                            MediaSessionLegacyHelper.getHelper(mContext)
5089                                    .sendVolumeKeyEvent(event, false);
5090                            break;
5091                        }
5092                    }
5093
5094                    if ((result & ACTION_PASS_TO_USER) == 0) {
5095                        if (mUseTvRouting) {
5096                            dispatchDirectAudioEvent(event);
5097                        } else {
5098                            // If we aren't passing to the user and no one else
5099                            // handled it send it to the session manager to
5100                            // figure out.
5101                            MediaSessionLegacyHelper.getHelper(mContext)
5102                                    .sendVolumeKeyEvent(event, true);
5103                        }
5104                        break;
5105                    }
5106                }
5107                break;
5108            }
5109
5110            case KeyEvent.KEYCODE_ENDCALL: {
5111                result &= ~ACTION_PASS_TO_USER;
5112                if (down) {
5113                    TelecomManager telecomManager = getTelecommService();
5114                    boolean hungUp = false;
5115                    if (telecomManager != null) {
5116                        hungUp = telecomManager.endCall();
5117                    }
5118                    if (interactive && !hungUp) {
5119                        mEndCallKeyHandled = false;
5120                        mHandler.postDelayed(mEndCallLongPress,
5121                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
5122                    } else {
5123                        mEndCallKeyHandled = true;
5124                    }
5125                } else {
5126                    if (!mEndCallKeyHandled) {
5127                        mHandler.removeCallbacks(mEndCallLongPress);
5128                        if (!canceled) {
5129                            if ((mEndcallBehavior
5130                                    & Settings.System.END_BUTTON_BEHAVIOR_HOME) != 0) {
5131                                if (goHome()) {
5132                                    break;
5133                                }
5134                            }
5135                            if ((mEndcallBehavior
5136                                    & Settings.System.END_BUTTON_BEHAVIOR_SLEEP) != 0) {
5137                                mPowerManager.goToSleep(event.getEventTime(),
5138                                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
5139                                isWakeKey = false;
5140                            }
5141                        }
5142                    }
5143                }
5144                break;
5145            }
5146
5147            case KeyEvent.KEYCODE_POWER: {
5148                result &= ~ACTION_PASS_TO_USER;
5149                isWakeKey = false; // wake-up will be handled separately
5150                if (down) {
5151                    interceptPowerKeyDown(event, interactive);
5152                } else {
5153                    interceptPowerKeyUp(event, interactive, canceled);
5154                }
5155                break;
5156            }
5157
5158            case KeyEvent.KEYCODE_SLEEP: {
5159                result &= ~ACTION_PASS_TO_USER;
5160                isWakeKey = false;
5161                if (!mPowerManager.isInteractive()) {
5162                    useHapticFeedback = false; // suppress feedback if already non-interactive
5163                }
5164                if (down) {
5165                    sleepPress(event.getEventTime());
5166                } else {
5167                    sleepRelease(event.getEventTime());
5168                }
5169                break;
5170            }
5171
5172            case KeyEvent.KEYCODE_SOFT_SLEEP: {
5173                result &= ~ACTION_PASS_TO_USER;
5174                isWakeKey = false;
5175                if (!down) {
5176                    mPowerManagerInternal.setUserInactiveOverrideFromWindowManager();
5177                }
5178                break;
5179            }
5180
5181            case KeyEvent.KEYCODE_WAKEUP: {
5182                result &= ~ACTION_PASS_TO_USER;
5183                isWakeKey = true;
5184                break;
5185            }
5186
5187            case KeyEvent.KEYCODE_MEDIA_PLAY:
5188            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5189            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5190            case KeyEvent.KEYCODE_HEADSETHOOK:
5191            case KeyEvent.KEYCODE_MUTE:
5192            case KeyEvent.KEYCODE_MEDIA_STOP:
5193            case KeyEvent.KEYCODE_MEDIA_NEXT:
5194            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5195            case KeyEvent.KEYCODE_MEDIA_REWIND:
5196            case KeyEvent.KEYCODE_MEDIA_RECORD:
5197            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5198            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: {
5199                if (MediaSessionLegacyHelper.getHelper(mContext).isGlobalPriorityActive()) {
5200                    // If the global session is active pass all media keys to it
5201                    // instead of the active window.
5202                    result &= ~ACTION_PASS_TO_USER;
5203                }
5204                if ((result & ACTION_PASS_TO_USER) == 0) {
5205                    // Only do this if we would otherwise not pass it to the user. In that
5206                    // case, the PhoneWindow class will do the same thing, except it will
5207                    // only do it if the showing app doesn't process the key on its own.
5208                    // Note that we need to make a copy of the key event here because the
5209                    // original key event will be recycled when we return.
5210                    mBroadcastWakeLock.acquire();
5211                    Message msg = mHandler.obtainMessage(MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK,
5212                            new KeyEvent(event));
5213                    msg.setAsynchronous(true);
5214                    msg.sendToTarget();
5215                }
5216                break;
5217            }
5218
5219            case KeyEvent.KEYCODE_CALL: {
5220                if (down) {
5221                    TelecomManager telecomManager = getTelecommService();
5222                    if (telecomManager != null) {
5223                        if (telecomManager.isRinging()) {
5224                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5225                                  + " CALL key-down while ringing: Answer the call!");
5226                            telecomManager.acceptRingingCall();
5227
5228                            // And *don't* pass this key thru to the current activity
5229                            // (which is presumably the InCallScreen.)
5230                            result &= ~ACTION_PASS_TO_USER;
5231                        }
5232                    }
5233                }
5234                break;
5235            }
5236            case KeyEvent.KEYCODE_VOICE_ASSIST: {
5237                // Only do this if we would otherwise not pass it to the user. In that case,
5238                // interceptKeyBeforeDispatching would apply a similar but different policy in
5239                // order to invoke voice assist actions. Note that we need to make a copy of the
5240                // key event here because the original key event will be recycled when we return.
5241                if ((result & ACTION_PASS_TO_USER) == 0 && !down) {
5242                    mBroadcastWakeLock.acquire();
5243                    Message msg = mHandler.obtainMessage(MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK,
5244                            keyguardActive ? 1 : 0, 0);
5245                    msg.setAsynchronous(true);
5246                    msg.sendToTarget();
5247                }
5248            }
5249        }
5250
5251        if (useHapticFeedback) {
5252            performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
5253        }
5254
5255        if (isWakeKey) {
5256            wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5257        }
5258
5259        return result;
5260    }
5261
5262    /**
5263     * Returns true if the key can have global actions attached to it.
5264     * We reserve all power management keys for the system since they require
5265     * very careful handling.
5266     */
5267    private static boolean isValidGlobalKey(int keyCode) {
5268        switch (keyCode) {
5269            case KeyEvent.KEYCODE_POWER:
5270            case KeyEvent.KEYCODE_WAKEUP:
5271            case KeyEvent.KEYCODE_SLEEP:
5272                return false;
5273            default:
5274                return true;
5275        }
5276    }
5277
5278    /**
5279     * When the screen is off we ignore some keys that might otherwise typically
5280     * be considered wake keys.  We filter them out here.
5281     *
5282     * {@link KeyEvent#KEYCODE_POWER} is notably absent from this list because it
5283     * is always considered a wake key.
5284     */
5285    private boolean isWakeKeyWhenScreenOff(int keyCode) {
5286        switch (keyCode) {
5287            // ignore volume keys unless docked
5288            case KeyEvent.KEYCODE_VOLUME_UP:
5289            case KeyEvent.KEYCODE_VOLUME_DOWN:
5290            case KeyEvent.KEYCODE_VOLUME_MUTE:
5291                return mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;
5292
5293            // ignore media and camera keys
5294            case KeyEvent.KEYCODE_MUTE:
5295            case KeyEvent.KEYCODE_HEADSETHOOK:
5296            case KeyEvent.KEYCODE_MEDIA_PLAY:
5297            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5298            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5299            case KeyEvent.KEYCODE_MEDIA_STOP:
5300            case KeyEvent.KEYCODE_MEDIA_NEXT:
5301            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5302            case KeyEvent.KEYCODE_MEDIA_REWIND:
5303            case KeyEvent.KEYCODE_MEDIA_RECORD:
5304            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5305            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK:
5306            case KeyEvent.KEYCODE_CAMERA:
5307                return false;
5308        }
5309        return true;
5310    }
5311
5312
5313    /** {@inheritDoc} */
5314    @Override
5315    public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) {
5316        if ((policyFlags & FLAG_WAKE) != 0) {
5317            if (wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotion,
5318                    "android.policy:MOTION")) {
5319                return 0;
5320            }
5321        }
5322
5323        if (shouldDispatchInputWhenNonInteractive()) {
5324            return ACTION_PASS_TO_USER;
5325        }
5326
5327        // If we have not passed the action up and we are in theater mode without dreaming,
5328        // there will be no dream to intercept the touch and wake into ambient.  The device should
5329        // wake up in this case.
5330        if (isTheaterModeEnabled() && (policyFlags & FLAG_WAKE) != 0) {
5331            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotionWhenNotDreaming,
5332                    "android.policy:MOTION");
5333        }
5334
5335        return 0;
5336    }
5337
5338    private boolean shouldDispatchInputWhenNonInteractive() {
5339        // Send events to keyguard while the screen is on.
5340        if (isKeyguardShowingAndNotOccluded() && mDisplay != null
5341                && mDisplay.getState() != Display.STATE_OFF) {
5342            return true;
5343        }
5344
5345        // Send events to a dozing dream even if the screen is off since the dream
5346        // is in control of the state of the screen.
5347        IDreamManager dreamManager = getDreamManager();
5348
5349        try {
5350            if (dreamManager != null && dreamManager.isDreaming()) {
5351                return true;
5352            }
5353        } catch (RemoteException e) {
5354            Slog.e(TAG, "RemoteException when checking if dreaming", e);
5355        }
5356
5357        // Otherwise, consume events since the user can't see what is being
5358        // interacted with.
5359        return false;
5360    }
5361
5362    private void dispatchDirectAudioEvent(KeyEvent event) {
5363        if (event.getAction() != KeyEvent.ACTION_DOWN) {
5364            return;
5365        }
5366        int keyCode = event.getKeyCode();
5367        int flags = AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_PLAY_SOUND
5368                | AudioManager.FLAG_FROM_KEY;
5369        String pkgName = mContext.getOpPackageName();
5370        switch (keyCode) {
5371            case KeyEvent.KEYCODE_VOLUME_UP:
5372                try {
5373                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_RAISE,
5374                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
5375                } catch (RemoteException e) {
5376                    Log.e(TAG, "Error dispatching volume up in dispatchTvAudioEvent.", e);
5377                }
5378                break;
5379            case KeyEvent.KEYCODE_VOLUME_DOWN:
5380                try {
5381                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_LOWER,
5382                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
5383                } catch (RemoteException e) {
5384                    Log.e(TAG, "Error dispatching volume down in dispatchTvAudioEvent.", e);
5385                }
5386                break;
5387            case KeyEvent.KEYCODE_VOLUME_MUTE:
5388                try {
5389                    if (event.getRepeatCount() == 0) {
5390                        getAudioService().adjustSuggestedStreamVolume(
5391                                AudioManager.ADJUST_TOGGLE_MUTE,
5392                                AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
5393                    }
5394                } catch (RemoteException e) {
5395                    Log.e(TAG, "Error dispatching mute in dispatchTvAudioEvent.", e);
5396                }
5397                break;
5398        }
5399    }
5400
5401    void dispatchMediaKeyWithWakeLock(KeyEvent event) {
5402        if (DEBUG_INPUT) {
5403            Slog.d(TAG, "dispatchMediaKeyWithWakeLock: " + event);
5404        }
5405
5406        if (mHavePendingMediaKeyRepeatWithWakeLock) {
5407            if (DEBUG_INPUT) {
5408                Slog.d(TAG, "dispatchMediaKeyWithWakeLock: canceled repeat");
5409            }
5410
5411            mHandler.removeMessages(MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK);
5412            mHavePendingMediaKeyRepeatWithWakeLock = false;
5413            mBroadcastWakeLock.release(); // pending repeat was holding onto the wake lock
5414        }
5415
5416        dispatchMediaKeyWithWakeLockToAudioService(event);
5417
5418        if (event.getAction() == KeyEvent.ACTION_DOWN
5419                && event.getRepeatCount() == 0) {
5420            mHavePendingMediaKeyRepeatWithWakeLock = true;
5421
5422            Message msg = mHandler.obtainMessage(
5423                    MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK, event);
5424            msg.setAsynchronous(true);
5425            mHandler.sendMessageDelayed(msg, ViewConfiguration.getKeyRepeatTimeout());
5426        } else {
5427            mBroadcastWakeLock.release();
5428        }
5429    }
5430
5431    void dispatchMediaKeyRepeatWithWakeLock(KeyEvent event) {
5432        mHavePendingMediaKeyRepeatWithWakeLock = false;
5433
5434        KeyEvent repeatEvent = KeyEvent.changeTimeRepeat(event,
5435                SystemClock.uptimeMillis(), 1, event.getFlags() | KeyEvent.FLAG_LONG_PRESS);
5436        if (DEBUG_INPUT) {
5437            Slog.d(TAG, "dispatchMediaKeyRepeatWithWakeLock: " + repeatEvent);
5438        }
5439
5440        dispatchMediaKeyWithWakeLockToAudioService(repeatEvent);
5441        mBroadcastWakeLock.release();
5442    }
5443
5444    void dispatchMediaKeyWithWakeLockToAudioService(KeyEvent event) {
5445        if (ActivityManagerNative.isSystemReady()) {
5446            MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(event, true);
5447        }
5448    }
5449
5450    void launchVoiceAssistWithWakeLock(boolean keyguardActive) {
5451        IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
5452                ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
5453        if (dic != null) {
5454            try {
5455                dic.exitIdle("voice-search");
5456            } catch (RemoteException e) {
5457            }
5458        }
5459        Intent voiceIntent =
5460            new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
5461        voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, keyguardActive);
5462        startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
5463        mBroadcastWakeLock.release();
5464    }
5465
5466    BroadcastReceiver mDockReceiver = new BroadcastReceiver() {
5467        @Override
5468        public void onReceive(Context context, Intent intent) {
5469            if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
5470                mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
5471                        Intent.EXTRA_DOCK_STATE_UNDOCKED);
5472            } else {
5473                try {
5474                    IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
5475                            ServiceManager.getService(Context.UI_MODE_SERVICE));
5476                    mUiMode = uiModeService.getCurrentModeType();
5477                } catch (RemoteException e) {
5478                }
5479            }
5480            updateRotation(true);
5481            synchronized (mLock) {
5482                updateOrientationListenerLp();
5483            }
5484        }
5485    };
5486
5487    BroadcastReceiver mDreamReceiver = new BroadcastReceiver() {
5488        @Override
5489        public void onReceive(Context context, Intent intent) {
5490            if (Intent.ACTION_DREAMING_STARTED.equals(intent.getAction())) {
5491                if (mKeyguardDelegate != null) {
5492                    mKeyguardDelegate.onDreamingStarted();
5493                }
5494            } else if (Intent.ACTION_DREAMING_STOPPED.equals(intent.getAction())) {
5495                if (mKeyguardDelegate != null) {
5496                    mKeyguardDelegate.onDreamingStopped();
5497                }
5498            }
5499        }
5500    };
5501
5502    BroadcastReceiver mMultiuserReceiver = new BroadcastReceiver() {
5503        @Override
5504        public void onReceive(Context context, Intent intent) {
5505            if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) {
5506                // tickle the settings observer: this first ensures that we're
5507                // observing the relevant settings for the newly-active user,
5508                // and then updates our own bookkeeping based on the now-
5509                // current user.
5510                mSettingsObserver.onChange(false);
5511
5512                // force a re-application of focused window sysui visibility.
5513                // the window may never have been shown for this user
5514                // e.g. the keyguard when going through the new-user setup flow
5515                synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5516                    mLastSystemUiFlags = 0;
5517                    updateSystemUiVisibilityLw();
5518                }
5519            }
5520        }
5521    };
5522
5523    private final Runnable mHiddenNavPanic = new Runnable() {
5524        @Override
5525        public void run() {
5526            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5527                if (!isUserSetupComplete()) {
5528                    // Swipe-up for navigation bar is disabled during setup
5529                    return;
5530                }
5531                mPendingPanicGestureUptime = SystemClock.uptimeMillis();
5532                mNavigationBarController.showTransient();
5533            }
5534        }
5535    };
5536
5537    private void requestTransientBars(WindowState swipeTarget) {
5538        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5539            if (!isUserSetupComplete()) {
5540                // Swipe-up for navigation bar is disabled during setup
5541                return;
5542            }
5543            boolean sb = mStatusBarController.checkShowTransientBarLw();
5544            boolean nb = mNavigationBarController.checkShowTransientBarLw();
5545            if (sb || nb) {
5546                // Don't show status bar when swiping on already visible navigation bar
5547                if (!nb && swipeTarget == mNavigationBar) {
5548                    if (DEBUG) Slog.d(TAG, "Not showing transient bar, wrong swipe target");
5549                    return;
5550                }
5551                if (sb) mStatusBarController.showTransient();
5552                if (nb) mNavigationBarController.showTransient();
5553                mImmersiveModeConfirmation.confirmCurrentPrompt();
5554                updateSystemUiVisibilityLw();
5555            }
5556        }
5557    }
5558
5559    // Called on the PowerManager's Notifier thread.
5560    @Override
5561    public void startedGoingToSleep(int why) {
5562        if (DEBUG_WAKEUP) Slog.i(TAG, "Started going to sleep... (why=" + why + ")");
5563        if (mKeyguardDelegate != null) {
5564            mKeyguardDelegate.onStartedGoingToSleep(why);
5565        }
5566    }
5567
5568    // Called on the PowerManager's Notifier thread.
5569    @Override
5570    public void finishedGoingToSleep(int why) {
5571        EventLog.writeEvent(70000, 0);
5572        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished going to sleep... (why=" + why + ")");
5573        MetricsLogger.histogram(mContext, "screen_timeout", mLockScreenTimeout / 1000);
5574
5575        // We must get this work done here because the power manager will drop
5576        // the wake lock and let the system suspend once this function returns.
5577        synchronized (mLock) {
5578            mAwake = false;
5579            updateWakeGestureListenerLp();
5580            updateOrientationListenerLp();
5581            updateLockScreenTimeout();
5582        }
5583        if (mKeyguardDelegate != null) {
5584            mKeyguardDelegate.onFinishedGoingToSleep(why);
5585        }
5586    }
5587
5588    // Called on the PowerManager's Notifier thread.
5589    @Override
5590    public void startedWakingUp() {
5591        EventLog.writeEvent(70000, 1);
5592        if (DEBUG_WAKEUP) Slog.i(TAG, "Started waking up...");
5593
5594        // Since goToSleep performs these functions synchronously, we must
5595        // do the same here.  We cannot post this work to a handler because
5596        // that might cause it to become reordered with respect to what
5597        // may happen in a future call to goToSleep.
5598        synchronized (mLock) {
5599            mAwake = true;
5600
5601            updateWakeGestureListenerLp();
5602            updateOrientationListenerLp();
5603            updateLockScreenTimeout();
5604        }
5605
5606        if (mKeyguardDelegate != null) {
5607            mKeyguardDelegate.onStartedWakingUp();
5608        }
5609    }
5610
5611    // Called on the PowerManager's Notifier thread.
5612    @Override
5613    public void finishedWakingUp() {
5614        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished waking up...");
5615    }
5616
5617    private void wakeUpFromPowerKey(long eventTime) {
5618        wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey, "android.policy:POWER");
5619    }
5620
5621    private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode, String reason) {
5622        final boolean theaterModeEnabled = isTheaterModeEnabled();
5623        if (!wakeInTheaterMode && theaterModeEnabled) {
5624            return false;
5625        }
5626
5627        if (theaterModeEnabled) {
5628            Settings.Global.putInt(mContext.getContentResolver(),
5629                    Settings.Global.THEATER_MODE_ON, 0);
5630        }
5631
5632        mPowerManager.wakeUp(wakeTime, reason);
5633        return true;
5634    }
5635
5636    private void finishKeyguardDrawn() {
5637        synchronized (mLock) {
5638            if (!mScreenOnEarly || mKeyguardDrawComplete) {
5639                return; // We are not awake yet or we have already informed of this event.
5640            }
5641
5642            mKeyguardDrawComplete = true;
5643            if (mKeyguardDelegate != null) {
5644                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
5645            }
5646            mWindowManagerDrawComplete = false;
5647        }
5648
5649        // ... eventually calls finishWindowsDrawn which will finalize our screen turn on
5650        // as well as enabling the orientation change logic/sensor.
5651        mWindowManagerInternal.waitForAllWindowsDrawn(mWindowManagerDrawCallback,
5652                WAITING_FOR_DRAWN_TIMEOUT);
5653    }
5654
5655    // Called on the DisplayManager's DisplayPowerController thread.
5656    @Override
5657    public void screenTurnedOff() {
5658        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turned off...");
5659
5660        updateScreenOffSleepToken(true);
5661        synchronized (mLock) {
5662            mScreenOnEarly = false;
5663            mScreenOnFully = false;
5664            mKeyguardDrawComplete = false;
5665            mWindowManagerDrawComplete = false;
5666            mScreenOnListener = null;
5667            updateOrientationListenerLp();
5668
5669            if (mKeyguardDelegate != null) {
5670                mKeyguardDelegate.onScreenTurnedOff();
5671            }
5672        }
5673    }
5674
5675    // Called on the DisplayManager's DisplayPowerController thread.
5676    @Override
5677    public void screenTurningOn(final ScreenOnListener screenOnListener) {
5678        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turning on...");
5679
5680        updateScreenOffSleepToken(false);
5681        synchronized (mLock) {
5682            mScreenOnEarly = true;
5683            mScreenOnFully = false;
5684            mKeyguardDrawComplete = false;
5685            mWindowManagerDrawComplete = false;
5686            mScreenOnListener = screenOnListener;
5687
5688            if (mKeyguardDelegate != null) {
5689                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
5690                mHandler.sendEmptyMessageDelayed(MSG_KEYGUARD_DRAWN_TIMEOUT, 1000);
5691                mKeyguardDelegate.onScreenTurningOn(mKeyguardDrawnCallback);
5692            } else {
5693                if (DEBUG_WAKEUP) Slog.d(TAG,
5694                        "null mKeyguardDelegate: setting mKeyguardDrawComplete.");
5695                finishKeyguardDrawn();
5696            }
5697        }
5698    }
5699
5700    // Called on the DisplayManager's DisplayPowerController thread.
5701    @Override
5702    public void screenTurnedOn() {
5703        synchronized (mLock) {
5704            if (mKeyguardDelegate != null) {
5705                mKeyguardDelegate.onScreenTurnedOn();
5706            }
5707        }
5708    }
5709
5710    private void finishWindowsDrawn() {
5711        synchronized (mLock) {
5712            if (!mScreenOnEarly || mWindowManagerDrawComplete) {
5713                return; // Screen is not turned on or we did already handle this case earlier.
5714            }
5715
5716            mWindowManagerDrawComplete = true;
5717        }
5718
5719        finishScreenTurningOn();
5720    }
5721
5722    private void finishScreenTurningOn() {
5723        synchronized (mLock) {
5724            // We have just finished drawing screen content. Since the orientation listener
5725            // gets only installed when all windows are drawn, we try to install it again.
5726            updateOrientationListenerLp();
5727        }
5728        final ScreenOnListener listener;
5729        final boolean enableScreen;
5730        synchronized (mLock) {
5731            if (DEBUG_WAKEUP) Slog.d(TAG,
5732                    "finishScreenTurningOn: mAwake=" + mAwake
5733                            + ", mScreenOnEarly=" + mScreenOnEarly
5734                            + ", mScreenOnFully=" + mScreenOnFully
5735                            + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
5736                            + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
5737
5738            if (mScreenOnFully || !mScreenOnEarly || !mWindowManagerDrawComplete
5739                    || (mAwake && !mKeyguardDrawComplete)) {
5740                return; // spurious or not ready yet
5741            }
5742
5743            if (DEBUG_WAKEUP) Slog.i(TAG, "Finished screen turning on...");
5744            listener = mScreenOnListener;
5745            mScreenOnListener = null;
5746            mScreenOnFully = true;
5747
5748            // Remember the first time we draw the keyguard so we know when we're done with
5749            // the main part of booting and can enable the screen and hide boot messages.
5750            if (!mKeyguardDrawnOnce && mAwake) {
5751                mKeyguardDrawnOnce = true;
5752                enableScreen = true;
5753                if (mBootMessageNeedsHiding) {
5754                    mBootMessageNeedsHiding = false;
5755                    hideBootMessages();
5756                }
5757            } else {
5758                enableScreen = false;
5759            }
5760        }
5761
5762        if (listener != null) {
5763            listener.onScreenOn();
5764        }
5765
5766        if (enableScreen) {
5767            try {
5768                mWindowManager.enableScreenIfNeeded();
5769            } catch (RemoteException unhandled) {
5770            }
5771        }
5772    }
5773
5774    private void handleHideBootMessage() {
5775        synchronized (mLock) {
5776            if (!mKeyguardDrawnOnce) {
5777                mBootMessageNeedsHiding = true;
5778                return; // keyguard hasn't drawn the first time yet, not done booting
5779            }
5780        }
5781
5782        if (mBootMsgDialog != null) {
5783            if (DEBUG_WAKEUP) Slog.d(TAG, "handleHideBootMessage: dismissing");
5784            mBootMsgDialog.dismiss();
5785            mBootMsgDialog = null;
5786        }
5787    }
5788
5789    @Override
5790    public boolean isScreenOn() {
5791        return mScreenOnFully;
5792    }
5793
5794    /** {@inheritDoc} */
5795    @Override
5796    public void enableKeyguard(boolean enabled) {
5797        if (mKeyguardDelegate != null) {
5798            mKeyguardDelegate.setKeyguardEnabled(enabled);
5799        }
5800    }
5801
5802    /** {@inheritDoc} */
5803    @Override
5804    public void exitKeyguardSecurely(OnKeyguardExitResult callback) {
5805        if (mKeyguardDelegate != null) {
5806            mKeyguardDelegate.verifyUnlock(callback);
5807        }
5808    }
5809
5810    private boolean isKeyguardShowingAndNotOccluded() {
5811        if (mKeyguardDelegate == null) return false;
5812        return mKeyguardDelegate.isShowing() && !mKeyguardOccluded;
5813    }
5814
5815    /** {@inheritDoc} */
5816    @Override
5817    public boolean isKeyguardLocked() {
5818        return keyguardOn();
5819    }
5820
5821    /** {@inheritDoc} */
5822    @Override
5823    public boolean isKeyguardSecure() {
5824        if (mKeyguardDelegate == null) return false;
5825        return mKeyguardDelegate.isSecure();
5826    }
5827
5828    /** {@inheritDoc} */
5829    @Override
5830    public boolean isKeyguardShowingOrOccluded() {
5831        return mKeyguardDelegate == null ? false : mKeyguardDelegate.isShowing();
5832    }
5833
5834    /** {@inheritDoc} */
5835    @Override
5836    public boolean inKeyguardRestrictedKeyInputMode() {
5837        if (mKeyguardDelegate == null) return false;
5838        return mKeyguardDelegate.isInputRestricted();
5839    }
5840
5841    @Override
5842    public void dismissKeyguardLw() {
5843        if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
5844            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.dismissKeyguardLw");
5845            mHandler.post(new Runnable() {
5846                @Override
5847                public void run() {
5848                    // ask the keyguard to prompt the user to authenticate if necessary
5849                    mKeyguardDelegate.dismiss();
5850                }
5851            });
5852        }
5853    }
5854
5855    public void notifyActivityDrawnForKeyguardLw() {
5856        if (mKeyguardDelegate != null) {
5857            mHandler.post(new Runnable() {
5858                @Override
5859                public void run() {
5860                    mKeyguardDelegate.onActivityDrawn();
5861                }
5862            });
5863        }
5864    }
5865
5866    @Override
5867    public boolean isKeyguardDrawnLw() {
5868        synchronized (mLock) {
5869            return mKeyguardDrawnOnce;
5870        }
5871    }
5872
5873    @Override
5874    public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
5875        if (mKeyguardDelegate != null) {
5876            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.startKeyguardExitAnimation");
5877            mKeyguardDelegate.startKeyguardExitAnimation(startTime, fadeoutDuration);
5878        }
5879    }
5880
5881    void sendCloseSystemWindows() {
5882        PhoneWindow.sendCloseSystemWindows(mContext, null);
5883    }
5884
5885    void sendCloseSystemWindows(String reason) {
5886        PhoneWindow.sendCloseSystemWindows(mContext, reason);
5887    }
5888
5889    @Override
5890    public int rotationForOrientationLw(int orientation, int lastRotation) {
5891        if (false) {
5892            Slog.v(TAG, "rotationForOrientationLw(orient="
5893                        + orientation + ", last=" + lastRotation
5894                        + "); user=" + mUserRotation + " "
5895                        + ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED)
5896                            ? "USER_ROTATION_LOCKED" : "")
5897                        );
5898        }
5899
5900        if (mForceDefaultOrientation) {
5901            return Surface.ROTATION_0;
5902        }
5903
5904        synchronized (mLock) {
5905            int sensorRotation = mOrientationListener.getProposedRotation(); // may be -1
5906            if (sensorRotation < 0) {
5907                sensorRotation = lastRotation;
5908            }
5909
5910            final int preferredRotation;
5911            if (mLidState == LID_OPEN && mLidOpenRotation >= 0) {
5912                // Ignore sensor when lid switch is open and rotation is forced.
5913                preferredRotation = mLidOpenRotation;
5914            } else if (mDockMode == Intent.EXTRA_DOCK_STATE_CAR
5915                    && (mCarDockEnablesAccelerometer || mCarDockRotation >= 0)) {
5916                // Ignore sensor when in car dock unless explicitly enabled.
5917                // This case can override the behavior of NOSENSOR, and can also
5918                // enable 180 degree rotation while docked.
5919                preferredRotation = mCarDockEnablesAccelerometer
5920                        ? sensorRotation : mCarDockRotation;
5921            } else if ((mDockMode == Intent.EXTRA_DOCK_STATE_DESK
5922                    || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
5923                    || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK)
5924                    && (mDeskDockEnablesAccelerometer || mDeskDockRotation >= 0)) {
5925                // Ignore sensor when in desk dock unless explicitly enabled.
5926                // This case can override the behavior of NOSENSOR, and can also
5927                // enable 180 degree rotation while docked.
5928                preferredRotation = mDeskDockEnablesAccelerometer
5929                        ? sensorRotation : mDeskDockRotation;
5930            } else if (mHdmiPlugged && mDemoHdmiRotationLock) {
5931                // Ignore sensor when plugged into HDMI when demo HDMI rotation lock enabled.
5932                // Note that the dock orientation overrides the HDMI orientation.
5933                preferredRotation = mDemoHdmiRotation;
5934            } else if (mHdmiPlugged && mDockMode == Intent.EXTRA_DOCK_STATE_UNDOCKED
5935                    && mUndockedHdmiRotation >= 0) {
5936                // Ignore sensor when plugged into HDMI and an undocked orientation has
5937                // been specified in the configuration (only for legacy devices without
5938                // full multi-display support).
5939                // Note that the dock orientation overrides the HDMI orientation.
5940                preferredRotation = mUndockedHdmiRotation;
5941            } else if (mDemoRotationLock) {
5942                // Ignore sensor when demo rotation lock is enabled.
5943                // Note that the dock orientation and HDMI rotation lock override this.
5944                preferredRotation = mDemoRotation;
5945            } else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {
5946                // Application just wants to remain locked in the last rotation.
5947                preferredRotation = lastRotation;
5948            } else if (!mSupportAutoRotation) {
5949                // If we don't support auto-rotation then bail out here and ignore
5950                // the sensor and any rotation lock settings.
5951                preferredRotation = -1;
5952            } else if ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE
5953                            && (orientation == ActivityInfo.SCREEN_ORIENTATION_USER
5954                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
5955                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
5956                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT
5957                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER))
5958                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
5959                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
5960                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE
5961                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) {
5962                // Otherwise, use sensor only if requested by the application or enabled
5963                // by default for USER or UNSPECIFIED modes.  Does not apply to NOSENSOR.
5964                if (mAllowAllRotations < 0) {
5965                    // Can't read this during init() because the context doesn't
5966                    // have display metrics at that time so we cannot determine
5967                    // tablet vs. phone then.
5968                    mAllowAllRotations = mContext.getResources().getBoolean(
5969                            com.android.internal.R.bool.config_allowAllRotations) ? 1 : 0;
5970                }
5971                if (sensorRotation != Surface.ROTATION_180
5972                        || mAllowAllRotations == 1
5973                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
5974                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER) {
5975                    preferredRotation = sensorRotation;
5976                } else {
5977                    preferredRotation = lastRotation;
5978                }
5979            } else if (mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED
5980                    && orientation != ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
5981                // Apply rotation lock.  Does not apply to NOSENSOR.
5982                // The idea is that the user rotation expresses a weak preference for the direction
5983                // of gravity and as NOSENSOR is never affected by gravity, then neither should
5984                // NOSENSOR be affected by rotation lock (although it will be affected by docks).
5985                preferredRotation = mUserRotation;
5986            } else {
5987                // No overriding preference.
5988                // We will do exactly what the application asked us to do.
5989                preferredRotation = -1;
5990            }
5991
5992            switch (orientation) {
5993                case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
5994                    // Return portrait unless overridden.
5995                    if (isAnyPortrait(preferredRotation)) {
5996                        return preferredRotation;
5997                    }
5998                    return mPortraitRotation;
5999
6000                case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6001                    // Return landscape unless overridden.
6002                    if (isLandscapeOrSeascape(preferredRotation)) {
6003                        return preferredRotation;
6004                    }
6005                    return mLandscapeRotation;
6006
6007                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6008                    // Return reverse portrait unless overridden.
6009                    if (isAnyPortrait(preferredRotation)) {
6010                        return preferredRotation;
6011                    }
6012                    return mUpsideDownRotation;
6013
6014                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6015                    // Return seascape unless overridden.
6016                    if (isLandscapeOrSeascape(preferredRotation)) {
6017                        return preferredRotation;
6018                    }
6019                    return mSeascapeRotation;
6020
6021                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6022                case ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE:
6023                    // Return either landscape rotation.
6024                    if (isLandscapeOrSeascape(preferredRotation)) {
6025                        return preferredRotation;
6026                    }
6027                    if (isLandscapeOrSeascape(lastRotation)) {
6028                        return lastRotation;
6029                    }
6030                    return mLandscapeRotation;
6031
6032                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6033                case ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT:
6034                    // Return either portrait rotation.
6035                    if (isAnyPortrait(preferredRotation)) {
6036                        return preferredRotation;
6037                    }
6038                    if (isAnyPortrait(lastRotation)) {
6039                        return lastRotation;
6040                    }
6041                    return mPortraitRotation;
6042
6043                default:
6044                    // For USER, UNSPECIFIED, NOSENSOR, SENSOR and FULL_SENSOR,
6045                    // just return the preferred orientation we already calculated.
6046                    if (preferredRotation >= 0) {
6047                        return preferredRotation;
6048                    }
6049                    return Surface.ROTATION_0;
6050            }
6051        }
6052    }
6053
6054    @Override
6055    public boolean rotationHasCompatibleMetricsLw(int orientation, int rotation) {
6056        switch (orientation) {
6057            case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6058            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6059            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6060                return isAnyPortrait(rotation);
6061
6062            case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6063            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6064            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6065                return isLandscapeOrSeascape(rotation);
6066
6067            default:
6068                return true;
6069        }
6070    }
6071
6072    @Override
6073    public void setRotationLw(int rotation) {
6074        mOrientationListener.setCurrentRotation(rotation);
6075    }
6076
6077    private boolean isLandscapeOrSeascape(int rotation) {
6078        return rotation == mLandscapeRotation || rotation == mSeascapeRotation;
6079    }
6080
6081    private boolean isAnyPortrait(int rotation) {
6082        return rotation == mPortraitRotation || rotation == mUpsideDownRotation;
6083    }
6084
6085    @Override
6086    public int getUserRotationMode() {
6087        return Settings.System.getIntForUser(mContext.getContentResolver(),
6088                Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
6089                        WindowManagerPolicy.USER_ROTATION_FREE :
6090                                WindowManagerPolicy.USER_ROTATION_LOCKED;
6091    }
6092
6093    // User rotation: to be used when all else fails in assigning an orientation to the device
6094    @Override
6095    public void setUserRotationMode(int mode, int rot) {
6096        ContentResolver res = mContext.getContentResolver();
6097
6098        // mUserRotationMode and mUserRotation will be assigned by the content observer
6099        if (mode == WindowManagerPolicy.USER_ROTATION_LOCKED) {
6100            Settings.System.putIntForUser(res,
6101                    Settings.System.USER_ROTATION,
6102                    rot,
6103                    UserHandle.USER_CURRENT);
6104            Settings.System.putIntForUser(res,
6105                    Settings.System.ACCELEROMETER_ROTATION,
6106                    0,
6107                    UserHandle.USER_CURRENT);
6108        } else {
6109            Settings.System.putIntForUser(res,
6110                    Settings.System.ACCELEROMETER_ROTATION,
6111                    1,
6112                    UserHandle.USER_CURRENT);
6113        }
6114    }
6115
6116    @Override
6117    public void setSafeMode(boolean safeMode) {
6118        mSafeMode = safeMode;
6119        performHapticFeedbackLw(null, safeMode
6120                ? HapticFeedbackConstants.SAFE_MODE_ENABLED
6121                : HapticFeedbackConstants.SAFE_MODE_DISABLED, true);
6122    }
6123
6124    static long[] getLongIntArray(Resources r, int resid) {
6125        int[] ar = r.getIntArray(resid);
6126        if (ar == null) {
6127            return null;
6128        }
6129        long[] out = new long[ar.length];
6130        for (int i=0; i<ar.length; i++) {
6131            out[i] = ar[i];
6132        }
6133        return out;
6134    }
6135
6136    /** {@inheritDoc} */
6137    @Override
6138    public void systemReady() {
6139        mKeyguardDelegate = new KeyguardServiceDelegate(mContext);
6140        mKeyguardDelegate.onSystemReady();
6141
6142        readCameraLensCoverState();
6143        updateUiMode();
6144        boolean bindKeyguardNow;
6145        synchronized (mLock) {
6146            updateOrientationListenerLp();
6147            mSystemReady = true;
6148            mHandler.post(new Runnable() {
6149                @Override
6150                public void run() {
6151                    updateSettings();
6152                }
6153            });
6154
6155            bindKeyguardNow = mDeferBindKeyguard;
6156            if (bindKeyguardNow) {
6157                // systemBooted ran but wasn't able to bind to the Keyguard, we'll do it now.
6158                mDeferBindKeyguard = false;
6159            }
6160        }
6161
6162        if (bindKeyguardNow) {
6163            mKeyguardDelegate.bindService(mContext);
6164            mKeyguardDelegate.onBootCompleted();
6165        }
6166        mSystemGestures.systemReady();
6167    }
6168
6169    /** {@inheritDoc} */
6170    @Override
6171    public void systemBooted() {
6172        boolean bindKeyguardNow = false;
6173        synchronized (mLock) {
6174            // Time to bind Keyguard; take care to only bind it once, either here if ready or
6175            // in systemReady if not.
6176            if (mKeyguardDelegate != null) {
6177                bindKeyguardNow = true;
6178            } else {
6179                // Because mKeyguardDelegate is null, we know that the synchronized block in
6180                // systemReady didn't run yet and setting this will actually have an effect.
6181                mDeferBindKeyguard = true;
6182            }
6183        }
6184        if (bindKeyguardNow) {
6185            mKeyguardDelegate.bindService(mContext);
6186            mKeyguardDelegate.onBootCompleted();
6187        }
6188        synchronized (mLock) {
6189            mSystemBooted = true;
6190        }
6191        startedWakingUp();
6192        screenTurningOn(null);
6193        screenTurnedOn();
6194    }
6195
6196    ProgressDialog mBootMsgDialog = null;
6197
6198    /** {@inheritDoc} */
6199    @Override
6200    public void showBootMessage(final CharSequence msg, final boolean always) {
6201        mHandler.post(new Runnable() {
6202            @Override public void run() {
6203                if (mBootMsgDialog == null) {
6204                    int theme;
6205                    if (mContext.getPackageManager().hasSystemFeature(
6206                            PackageManager.FEATURE_WATCH)) {
6207                        theme = com.android.internal.R.style.Theme_Micro_Dialog_Alert;
6208                    } else if (mContext.getPackageManager().hasSystemFeature(
6209                            PackageManager.FEATURE_TELEVISION)) {
6210                        theme = com.android.internal.R.style.Theme_Leanback_Dialog_Alert;
6211                    } else {
6212                        theme = 0;
6213                    }
6214
6215                    mBootMsgDialog = new ProgressDialog(mContext, theme) {
6216                        // This dialog will consume all events coming in to
6217                        // it, to avoid it trying to do things too early in boot.
6218                        @Override public boolean dispatchKeyEvent(KeyEvent event) {
6219                            return true;
6220                        }
6221                        @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
6222                            return true;
6223                        }
6224                        @Override public boolean dispatchTouchEvent(MotionEvent ev) {
6225                            return true;
6226                        }
6227                        @Override public boolean dispatchTrackballEvent(MotionEvent ev) {
6228                            return true;
6229                        }
6230                        @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) {
6231                            return true;
6232                        }
6233                        @Override public boolean dispatchPopulateAccessibilityEvent(
6234                                AccessibilityEvent event) {
6235                            return true;
6236                        }
6237                    };
6238                    if (mContext.getPackageManager().isUpgrade()) {
6239                        mBootMsgDialog.setTitle(R.string.android_upgrading_title);
6240                    } else {
6241                        mBootMsgDialog.setTitle(R.string.android_start_title);
6242                    }
6243                    mBootMsgDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
6244                    mBootMsgDialog.setIndeterminate(true);
6245                    mBootMsgDialog.getWindow().setType(
6246                            WindowManager.LayoutParams.TYPE_BOOT_PROGRESS);
6247                    mBootMsgDialog.getWindow().addFlags(
6248                            WindowManager.LayoutParams.FLAG_DIM_BEHIND
6249                            | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
6250                    mBootMsgDialog.getWindow().setDimAmount(1);
6251                    WindowManager.LayoutParams lp = mBootMsgDialog.getWindow().getAttributes();
6252                    lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
6253                    mBootMsgDialog.getWindow().setAttributes(lp);
6254                    mBootMsgDialog.setCancelable(false);
6255                    mBootMsgDialog.show();
6256                }
6257                mBootMsgDialog.setMessage(msg);
6258            }
6259        });
6260    }
6261
6262    /** {@inheritDoc} */
6263    @Override
6264    public void hideBootMessages() {
6265        mHandler.sendEmptyMessage(MSG_HIDE_BOOT_MESSAGE);
6266    }
6267
6268    /** {@inheritDoc} */
6269    @Override
6270    public void userActivity() {
6271        // ***************************************
6272        // NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
6273        // ***************************************
6274        // THIS IS CALLED FROM DEEP IN THE POWER MANAGER
6275        // WITH ITS LOCKS HELD.
6276        //
6277        // This code must be VERY careful about the locks
6278        // it acquires.
6279        // In fact, the current code acquires way too many,
6280        // and probably has lurking deadlocks.
6281
6282        synchronized (mScreenLockTimeout) {
6283            if (mLockScreenTimerActive) {
6284                // reset the timer
6285                mHandler.removeCallbacks(mScreenLockTimeout);
6286                mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
6287            }
6288        }
6289    }
6290
6291    class ScreenLockTimeout implements Runnable {
6292        Bundle options;
6293
6294        @Override
6295        public void run() {
6296            synchronized (this) {
6297                if (localLOGV) Log.v(TAG, "mScreenLockTimeout activating keyguard");
6298                if (mKeyguardDelegate != null) {
6299                    mKeyguardDelegate.doKeyguardTimeout(options);
6300                }
6301                mLockScreenTimerActive = false;
6302                options = null;
6303            }
6304        }
6305
6306        public void setLockOptions(Bundle options) {
6307            this.options = options;
6308        }
6309    }
6310
6311    ScreenLockTimeout mScreenLockTimeout = new ScreenLockTimeout();
6312
6313    @Override
6314    public void lockNow(Bundle options) {
6315        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);
6316        mHandler.removeCallbacks(mScreenLockTimeout);
6317        if (options != null) {
6318            // In case multiple calls are made to lockNow, we don't wipe out the options
6319            // until the runnable actually executes.
6320            mScreenLockTimeout.setLockOptions(options);
6321        }
6322        mHandler.post(mScreenLockTimeout);
6323    }
6324
6325    private void updateLockScreenTimeout() {
6326        synchronized (mScreenLockTimeout) {
6327            boolean enable = (mAllowLockscreenWhenOn && mAwake &&
6328                    mKeyguardDelegate != null && mKeyguardDelegate.isSecure());
6329            if (mLockScreenTimerActive != enable) {
6330                if (enable) {
6331                    if (localLOGV) Log.v(TAG, "setting lockscreen timer");
6332                    mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
6333                } else {
6334                    if (localLOGV) Log.v(TAG, "clearing lockscreen timer");
6335                    mHandler.removeCallbacks(mScreenLockTimeout);
6336                }
6337                mLockScreenTimerActive = enable;
6338            }
6339        }
6340    }
6341
6342    private void updateDreamingSleepToken(boolean acquire) {
6343        if (acquire) {
6344            if (mDreamingSleepToken == null) {
6345                mDreamingSleepToken = mActivityManagerInternal.acquireSleepToken("Dream");
6346            }
6347        } else {
6348            if (mDreamingSleepToken != null) {
6349                mDreamingSleepToken.release();
6350                mDreamingSleepToken = null;
6351            }
6352        }
6353    }
6354
6355    private void updateScreenOffSleepToken(boolean acquire) {
6356        if (acquire) {
6357            if (mScreenOffSleepToken == null) {
6358                mScreenOffSleepToken = mActivityManagerInternal.acquireSleepToken("ScreenOff");
6359            }
6360        } else {
6361            if (mScreenOffSleepToken != null) {
6362                mScreenOffSleepToken.release();
6363                mScreenOffSleepToken = null;
6364            }
6365        }
6366    }
6367
6368    /** {@inheritDoc} */
6369    @Override
6370    public void enableScreenAfterBoot() {
6371        readLidState();
6372        applyLidSwitchState();
6373        updateRotation(true);
6374    }
6375
6376    private void applyLidSwitchState() {
6377        if (mLidState == LID_CLOSED && mLidControlsSleep) {
6378            mPowerManager.goToSleep(SystemClock.uptimeMillis(),
6379                    PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH,
6380                    PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
6381        }
6382
6383        synchronized (mLock) {
6384            updateWakeGestureListenerLp();
6385        }
6386    }
6387
6388    void updateUiMode() {
6389        if (mUiModeManager == null) {
6390            mUiModeManager = IUiModeManager.Stub.asInterface(
6391                    ServiceManager.getService(Context.UI_MODE_SERVICE));
6392        }
6393        try {
6394            mUiMode = mUiModeManager.getCurrentModeType();
6395        } catch (RemoteException e) {
6396        }
6397    }
6398
6399    void updateRotation(boolean alwaysSendConfiguration) {
6400        try {
6401            //set orientation on WindowManager
6402            mWindowManager.updateRotation(alwaysSendConfiguration, false);
6403        } catch (RemoteException e) {
6404            // Ignore
6405        }
6406    }
6407
6408    void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
6409        try {
6410            //set orientation on WindowManager
6411            mWindowManager.updateRotation(alwaysSendConfiguration, forceRelayout);
6412        } catch (RemoteException e) {
6413            // Ignore
6414        }
6415    }
6416
6417    /**
6418     * Return an Intent to launch the currently active dock app as home.  Returns
6419     * null if the standard home should be launched, which is the case if any of the following is
6420     * true:
6421     * <ul>
6422     *  <li>The device is not in either car mode or desk mode
6423     *  <li>The device is in car mode but mEnableCarDockHomeCapture is false
6424     *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
6425     *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
6426     *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
6427     * </ul>
6428     * @return A dock intent.
6429     */
6430    Intent createHomeDockIntent() {
6431        Intent intent = null;
6432
6433        // What home does is based on the mode, not the dock state.  That
6434        // is, when in car mode you should be taken to car home regardless
6435        // of whether we are actually in a car dock.
6436        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
6437            if (mEnableCarDockHomeCapture) {
6438                intent = mCarDockIntent;
6439            }
6440        } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
6441            if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
6442                intent = mDeskDockIntent;
6443            }
6444        } else if (mUiMode == Configuration.UI_MODE_TYPE_WATCH
6445                && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
6446                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK
6447                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK)) {
6448            // Always launch dock home from home when watch is docked, if it exists.
6449            intent = mDeskDockIntent;
6450        }
6451
6452        if (intent == null) {
6453            return null;
6454        }
6455
6456        ActivityInfo ai = null;
6457        ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(
6458                intent,
6459                PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_META_DATA,
6460                mCurrentUserId);
6461        if (info != null) {
6462            ai = info.activityInfo;
6463        }
6464        if (ai != null
6465                && ai.metaData != null
6466                && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
6467            intent = new Intent(intent);
6468            intent.setClassName(ai.packageName, ai.name);
6469            return intent;
6470        }
6471
6472        return null;
6473    }
6474
6475    void startDockOrHome(boolean fromHomeKey, boolean awakenFromDreams) {
6476        if (awakenFromDreams) {
6477            awakenDreams();
6478        }
6479
6480        Intent dock = createHomeDockIntent();
6481        if (dock != null) {
6482            try {
6483                if (fromHomeKey) {
6484                    dock.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
6485                }
6486                startActivityAsUser(dock, UserHandle.CURRENT);
6487                return;
6488            } catch (ActivityNotFoundException e) {
6489            }
6490        }
6491
6492        Intent intent;
6493
6494        if (fromHomeKey) {
6495            intent = new Intent(mHomeIntent);
6496            intent.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
6497        } else {
6498            intent = mHomeIntent;
6499        }
6500
6501        startActivityAsUser(intent, UserHandle.CURRENT);
6502    }
6503
6504    /**
6505     * goes to the home screen
6506     * @return whether it did anything
6507     */
6508    boolean goHome() {
6509        if (!isUserSetupComplete()) {
6510            Slog.i(TAG, "Not going home because user setup is in progress.");
6511            return false;
6512        }
6513        if (false) {
6514            // This code always brings home to the front.
6515            try {
6516                ActivityManagerNative.getDefault().stopAppSwitches();
6517            } catch (RemoteException e) {
6518            }
6519            sendCloseSystemWindows();
6520            startDockOrHome(false /*fromHomeKey*/, true /* awakenFromDreams */);
6521        } else {
6522            // This code brings home to the front or, if it is already
6523            // at the front, puts the device to sleep.
6524            try {
6525                if (SystemProperties.getInt("persist.sys.uts-test-mode", 0) == 1) {
6526                    /// Roll back EndcallBehavior as the cupcake design to pass P1 lab entry.
6527                    Log.d(TAG, "UTS-TEST-MODE");
6528                } else {
6529                    ActivityManagerNative.getDefault().stopAppSwitches();
6530                    sendCloseSystemWindows();
6531                    Intent dock = createHomeDockIntent();
6532                    if (dock != null) {
6533                        int result = ActivityManagerNative.getDefault()
6534                                .startActivityAsUser(null, null, dock,
6535                                        dock.resolveTypeIfNeeded(mContext.getContentResolver()),
6536                                        null, null, 0,
6537                                        ActivityManager.START_FLAG_ONLY_IF_NEEDED,
6538                                        null, null, UserHandle.USER_CURRENT);
6539                        if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
6540                            return false;
6541                        }
6542                    }
6543                }
6544                int result = ActivityManagerNative.getDefault()
6545                        .startActivityAsUser(null, null, mHomeIntent,
6546                                mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
6547                                null, null, 0,
6548                                ActivityManager.START_FLAG_ONLY_IF_NEEDED,
6549                                null, null, UserHandle.USER_CURRENT);
6550                if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
6551                    return false;
6552                }
6553            } catch (RemoteException ex) {
6554                // bummer, the activity manager, which is in this process, is dead
6555            }
6556        }
6557        return true;
6558    }
6559
6560    @Override
6561    public void setCurrentOrientationLw(int newOrientation) {
6562        synchronized (mLock) {
6563            if (newOrientation != mCurrentAppOrientation) {
6564                mCurrentAppOrientation = newOrientation;
6565                updateOrientationListenerLp();
6566            }
6567        }
6568    }
6569
6570    private void performAuditoryFeedbackForAccessibilityIfNeed() {
6571        if (!isGlobalAccessibilityGestureEnabled()) {
6572            return;
6573        }
6574        AudioManager audioManager = (AudioManager) mContext.getSystemService(
6575                Context.AUDIO_SERVICE);
6576        if (audioManager.isSilentMode()) {
6577            return;
6578        }
6579        Ringtone ringTone = RingtoneManager.getRingtone(mContext,
6580                Settings.System.DEFAULT_NOTIFICATION_URI);
6581        ringTone.setStreamType(AudioManager.STREAM_MUSIC);
6582        ringTone.play();
6583    }
6584
6585    private boolean isTheaterModeEnabled() {
6586        return Settings.Global.getInt(mContext.getContentResolver(),
6587                Settings.Global.THEATER_MODE_ON, 0) == 1;
6588    }
6589
6590    private boolean isGlobalAccessibilityGestureEnabled() {
6591        return Settings.Global.getInt(mContext.getContentResolver(),
6592                Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED, 0) == 1;
6593    }
6594
6595    @Override
6596    public boolean performHapticFeedbackLw(WindowState win, int effectId, boolean always) {
6597        if (!mVibrator.hasVibrator()) {
6598            return false;
6599        }
6600        final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(),
6601                Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0;
6602        if (hapticsDisabled && !always) {
6603            return false;
6604        }
6605        long[] pattern = null;
6606        switch (effectId) {
6607            case HapticFeedbackConstants.LONG_PRESS:
6608                pattern = mLongPressVibePattern;
6609                break;
6610            case HapticFeedbackConstants.VIRTUAL_KEY:
6611                pattern = mVirtualKeyVibePattern;
6612                break;
6613            case HapticFeedbackConstants.KEYBOARD_TAP:
6614                pattern = mKeyboardTapVibePattern;
6615                break;
6616            case HapticFeedbackConstants.CLOCK_TICK:
6617                pattern = mClockTickVibePattern;
6618                break;
6619            case HapticFeedbackConstants.CALENDAR_DATE:
6620                pattern = mCalendarDateVibePattern;
6621                break;
6622            case HapticFeedbackConstants.SAFE_MODE_DISABLED:
6623                pattern = mSafeModeDisabledVibePattern;
6624                break;
6625            case HapticFeedbackConstants.SAFE_MODE_ENABLED:
6626                pattern = mSafeModeEnabledVibePattern;
6627                break;
6628            case HapticFeedbackConstants.CONTEXT_CLICK:
6629                pattern = mContextClickVibePattern;
6630                break;
6631            default:
6632                return false;
6633        }
6634        int owningUid;
6635        String owningPackage;
6636        if (win != null) {
6637            owningUid = win.getOwningUid();
6638            owningPackage = win.getOwningPackage();
6639        } else {
6640            owningUid = android.os.Process.myUid();
6641            owningPackage = mContext.getOpPackageName();
6642        }
6643        if (pattern.length == 1) {
6644            // One-shot vibration
6645            mVibrator.vibrate(owningUid, owningPackage, pattern[0], VIBRATION_ATTRIBUTES);
6646        } else {
6647            // Pattern vibration
6648            mVibrator.vibrate(owningUid, owningPackage, pattern, -1, VIBRATION_ATTRIBUTES);
6649        }
6650        return true;
6651    }
6652
6653    @Override
6654    public void keepScreenOnStartedLw() {
6655    }
6656
6657    @Override
6658    public void keepScreenOnStoppedLw() {
6659        if (isKeyguardShowingAndNotOccluded()) {
6660            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
6661        }
6662    }
6663
6664    private int updateSystemUiVisibilityLw() {
6665        // If there is no window focused, there will be nobody to handle the events
6666        // anyway, so just hang on in whatever state we're in until things settle down.
6667        final WindowState win = mFocusedWindow != null ? mFocusedWindow
6668                : mTopFullscreenOpaqueWindowState;
6669        if (win == null) {
6670            return 0;
6671        }
6672        if ((win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 && mHideLockScreen == true) {
6673            // We are updating at a point where the keyguard has gotten
6674            // focus, but we were last in a state where the top window is
6675            // hiding it.  This is probably because the keyguard as been
6676            // shown while the top window was displayed, so we want to ignore
6677            // it here because this is just a very transient change and it
6678            // will quickly lose focus once it correctly gets hidden.
6679            return 0;
6680        }
6681
6682        int tmpVisibility = PolicyControl.getSystemUiVisibility(win, null)
6683                & ~mResettingSystemUiFlags
6684                & ~mForceClearedSystemUiFlags;
6685        if (mForcingShowNavBar && win.getSurfaceLayer() < mForcingShowNavBarLayer) {
6686            tmpVisibility &= ~PolicyControl.adjustClearableFlags(win, View.SYSTEM_UI_CLEARABLE_FLAGS);
6687        }
6688
6689        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
6690            tmpVisibility |= StatusBarManager.DISABLE_RECENT;
6691        }
6692
6693        tmpVisibility = updateLightStatusBarLw(tmpVisibility);
6694        final int visibility = updateSystemBarsLw(win, mLastSystemUiFlags, tmpVisibility);
6695        final int diff = visibility ^ mLastSystemUiFlags;
6696        final boolean needsMenu = win.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
6697        if (diff == 0 && mLastFocusNeedsMenu == needsMenu
6698                && mFocusedApp == win.getAppToken()) {
6699            return 0;
6700        }
6701        mLastSystemUiFlags = visibility;
6702        mLastFocusNeedsMenu = needsMenu;
6703        mFocusedApp = win.getAppToken();
6704        mHandler.post(new Runnable() {
6705                @Override
6706                public void run() {
6707                    try {
6708                        IStatusBarService statusbar = getStatusBarService();
6709                        if (statusbar != null) {
6710                            statusbar.setSystemUiVisibility(visibility, 0xffffffff, win.toString());
6711                            statusbar.topAppWindowChanged(needsMenu);
6712                        }
6713                    } catch (RemoteException e) {
6714                        // re-acquire status bar service next time it is needed.
6715                        mStatusBarService = null;
6716                    }
6717                }
6718            });
6719        return diff;
6720    }
6721
6722    private int updateLightStatusBarLw(int vis) {
6723        WindowState statusColorWin = isStatusBarKeyguard() && !mHideLockScreen
6724                ? mStatusBar
6725                : mTopFullscreenOpaqueOrDimmingWindowState;
6726
6727        if (statusColorWin != null) {
6728            if (statusColorWin == mTopFullscreenOpaqueWindowState) {
6729                // If the top fullscreen-or-dimming window is also the top fullscreen, respect
6730                // its light flag.
6731                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6732                vis |= PolicyControl.getSystemUiVisibility(statusColorWin, null)
6733                        & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6734            } else if (statusColorWin != null && statusColorWin.isDimming()) {
6735                // Otherwise if it's dimming, clear the light flag.
6736                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6737            }
6738        }
6739        return vis;
6740    }
6741
6742    private int updateSystemBarsLw(WindowState win, int oldVis, int vis) {
6743        final boolean dockedStackVisible = mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID);
6744        final boolean freeformStackVisible =
6745                mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID);
6746        final boolean forceShowSystemBars = dockedStackVisible || freeformStackVisible;
6747        final boolean forceOpaqueSystemBars = forceShowSystemBars && !mForceStatusBarFromKeyguard;
6748
6749        // apply translucent bar vis flags
6750        WindowState transWin = isStatusBarKeyguard() && !mHideLockScreen
6751                ? mStatusBar
6752                : mTopFullscreenOpaqueWindowState;
6753        vis = mStatusBarController.applyTranslucentFlagLw(transWin, vis, oldVis);
6754        vis = mNavigationBarController.applyTranslucentFlagLw(transWin, vis, oldVis);
6755
6756        // prevent status bar interaction from clearing certain flags
6757        int type = win.getAttrs().type;
6758        boolean statusBarHasFocus = type == TYPE_STATUS_BAR;
6759        if (statusBarHasFocus && !isStatusBarKeyguard()) {
6760            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
6761                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
6762                    | View.SYSTEM_UI_FLAG_IMMERSIVE
6763                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
6764                    | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6765            if (mHideLockScreen) {
6766                flags |= View.STATUS_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSLUCENT;
6767            }
6768            vis = (vis & ~flags) | (oldVis & flags);
6769        }
6770
6771        if ((!areTranslucentBarsAllowed() && transWin != mStatusBar)
6772                || forceOpaqueSystemBars) {
6773            vis &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSLUCENT
6774                    | View.SYSTEM_UI_TRANSPARENT);
6775        }
6776
6777        if (mForceWindowDrawsStatusBarBackground) {
6778            vis |= View.STATUS_BAR_TRANSPARENT;
6779            vis &= ~View.STATUS_BAR_TRANSLUCENT;
6780        }
6781
6782        // update status bar
6783        boolean immersiveSticky =
6784                (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
6785        final boolean hideStatusBarWM =
6786                mTopFullscreenOpaqueWindowState != null
6787                && (PolicyControl.getWindowFlags(mTopFullscreenOpaqueWindowState, null)
6788                        & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0;
6789        final boolean hideStatusBarSysui =
6790                (vis & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
6791        final boolean hideNavBarSysui =
6792                (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0;
6793
6794        final boolean transientStatusBarAllowed = mStatusBar != null
6795                && (statusBarHasFocus || (!forceShowSystemBars
6796                        && (hideStatusBarWM || (hideStatusBarSysui && immersiveSticky))));
6797
6798        final boolean transientNavBarAllowed = mNavigationBar != null
6799                && !forceShowSystemBars && hideNavBarSysui && immersiveSticky;
6800
6801        final long now = SystemClock.uptimeMillis();
6802        final boolean pendingPanic = mPendingPanicGestureUptime != 0
6803                && now - mPendingPanicGestureUptime <= PANIC_GESTURE_EXPIRATION;
6804        if (pendingPanic && hideNavBarSysui && !isStatusBarKeyguard() && mKeyguardDrawComplete) {
6805            // The user performed the panic gesture recently, we're about to hide the bars,
6806            // we're no longer on the Keyguard and the screen is ready. We can now request the bars.
6807            mPendingPanicGestureUptime = 0;
6808            mStatusBarController.showTransient();
6809            mNavigationBarController.showTransient();
6810        }
6811
6812        final boolean denyTransientStatus = mStatusBarController.isTransientShowRequested()
6813                && !transientStatusBarAllowed && hideStatusBarSysui;
6814        final boolean denyTransientNav = mNavigationBarController.isTransientShowRequested()
6815                && !transientNavBarAllowed;
6816        if (denyTransientStatus || denyTransientNav || forceShowSystemBars) {
6817            // clear the clearable flags instead
6818            clearClearableFlagsLw();
6819            vis &= ~View.SYSTEM_UI_CLEARABLE_FLAGS;
6820        }
6821
6822        final boolean immersive = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
6823        immersiveSticky = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
6824        final boolean navAllowedHidden = immersive || immersiveSticky;
6825
6826        if (hideNavBarSysui && !navAllowedHidden && windowTypeToLayerLw(win.getBaseType())
6827                > windowTypeToLayerLw(TYPE_INPUT_CONSUMER)) {
6828            // We can't hide the navbar from this window otherwise the input consumer would not get
6829            // the input events.
6830            vis = (vis & ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
6831        }
6832
6833        vis = mStatusBarController.updateVisibilityLw(transientStatusBarAllowed, oldVis, vis);
6834
6835        // update navigation bar
6836        boolean oldImmersiveMode = isImmersiveMode(oldVis);
6837        boolean newImmersiveMode = isImmersiveMode(vis);
6838        if (win != null && oldImmersiveMode != newImmersiveMode) {
6839            final String pkg = win.getOwningPackage();
6840            mImmersiveModeConfirmation.immersiveModeChanged(pkg, newImmersiveMode,
6841                    isUserSetupComplete());
6842        }
6843
6844        vis = mNavigationBarController.updateVisibilityLw(transientNavBarAllowed, oldVis, vis);
6845
6846        return vis;
6847    }
6848
6849    private void clearClearableFlagsLw() {
6850        int newVal = mResettingSystemUiFlags | View.SYSTEM_UI_CLEARABLE_FLAGS;
6851        if (newVal != mResettingSystemUiFlags) {
6852            mResettingSystemUiFlags = newVal;
6853            mWindowManagerFuncs.reevaluateStatusBarVisibility();
6854        }
6855    }
6856
6857    private boolean isImmersiveMode(int vis) {
6858        final int flags = View.SYSTEM_UI_FLAG_IMMERSIVE | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
6859        return mNavigationBar != null
6860                && (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
6861                && (vis & flags) != 0
6862                && canHideNavigationBar();
6863    }
6864
6865    /**
6866     * @return whether the navigation or status bar can be made translucent
6867     *
6868     * This should return true unless touch exploration is not enabled or
6869     * R.boolean.config_enableTranslucentDecor is false.
6870     */
6871    private boolean areTranslucentBarsAllowed() {
6872        return mTranslucentDecorEnabled;
6873    }
6874
6875    // Use this instead of checking config_showNavigationBar so that it can be consistently
6876    // overridden by qemu.hw.mainkeys in the emulator.
6877    @Override
6878    public boolean hasNavigationBar() {
6879        return mHasNavigationBar;
6880    }
6881
6882    @Override
6883    public void setLastInputMethodWindowLw(WindowState ime, WindowState target) {
6884        mLastInputMethodWindow = ime;
6885        mLastInputMethodTargetWindow = target;
6886    }
6887
6888    @Override
6889    public int getInputMethodWindowVisibleHeightLw() {
6890        return mDockBottom - mCurBottom;
6891    }
6892
6893    @Override
6894    public void setCurrentUserLw(int newUserId) {
6895        mCurrentUserId = newUserId;
6896        if (mKeyguardDelegate != null) {
6897            mKeyguardDelegate.setCurrentUser(newUserId);
6898        }
6899        if (mStatusBarService != null) {
6900            try {
6901                mStatusBarService.setCurrentUser(newUserId);
6902            } catch (RemoteException e) {
6903                // oh well
6904            }
6905        }
6906        setLastInputMethodWindowLw(null, null);
6907    }
6908
6909    @Override
6910    public boolean canMagnifyWindow(int windowType) {
6911        switch (windowType) {
6912            case WindowManager.LayoutParams.TYPE_INPUT_METHOD:
6913            case WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG:
6914            case WindowManager.LayoutParams.TYPE_NAVIGATION_BAR:
6915            case WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY: {
6916                return false;
6917            }
6918        }
6919        return true;
6920    }
6921
6922    @Override
6923    public boolean isTopLevelWindow(int windowType) {
6924        if (windowType >= WindowManager.LayoutParams.FIRST_SUB_WINDOW
6925                && windowType <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
6926            return (windowType == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG);
6927        }
6928        return true;
6929    }
6930
6931    @Override
6932    public void dump(String prefix, PrintWriter pw, String[] args) {
6933        pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
6934                pw.print(" mSystemReady="); pw.print(mSystemReady);
6935                pw.print(" mSystemBooted="); pw.println(mSystemBooted);
6936        pw.print(prefix); pw.print("mLidState="); pw.print(mLidState);
6937                pw.print(" mLidOpenRotation="); pw.print(mLidOpenRotation);
6938                pw.print(" mCameraLensCoverState="); pw.print(mCameraLensCoverState);
6939                pw.print(" mHdmiPlugged="); pw.println(mHdmiPlugged);
6940        if (mLastSystemUiFlags != 0 || mResettingSystemUiFlags != 0
6941                || mForceClearedSystemUiFlags != 0) {
6942            pw.print(prefix); pw.print("mLastSystemUiFlags=0x");
6943                    pw.print(Integer.toHexString(mLastSystemUiFlags));
6944                    pw.print(" mResettingSystemUiFlags=0x");
6945                    pw.print(Integer.toHexString(mResettingSystemUiFlags));
6946                    pw.print(" mForceClearedSystemUiFlags=0x");
6947                    pw.println(Integer.toHexString(mForceClearedSystemUiFlags));
6948        }
6949        if (mLastFocusNeedsMenu) {
6950            pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
6951                    pw.println(mLastFocusNeedsMenu);
6952        }
6953        pw.print(prefix); pw.print("mWakeGestureEnabledSetting=");
6954                pw.println(mWakeGestureEnabledSetting);
6955
6956        pw.print(prefix); pw.print("mSupportAutoRotation="); pw.println(mSupportAutoRotation);
6957        pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
6958                pw.print(" mDockMode="); pw.print(mDockMode);
6959                pw.print(" mEnableCarDockHomeCapture="); pw.print(mEnableCarDockHomeCapture);
6960                pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
6961                pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
6962        pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);
6963                pw.print(" mUserRotation="); pw.print(mUserRotation);
6964                pw.print(" mAllowAllRotations="); pw.println(mAllowAllRotations);
6965        pw.print(prefix); pw.print("mCurrentAppOrientation="); pw.println(mCurrentAppOrientation);
6966        pw.print(prefix); pw.print("mCarDockEnablesAccelerometer=");
6967                pw.print(mCarDockEnablesAccelerometer);
6968                pw.print(" mDeskDockEnablesAccelerometer=");
6969                pw.println(mDeskDockEnablesAccelerometer);
6970        pw.print(prefix); pw.print("mLidKeyboardAccessibility=");
6971                pw.print(mLidKeyboardAccessibility);
6972                pw.print(" mLidNavigationAccessibility="); pw.print(mLidNavigationAccessibility);
6973                pw.print(" mLidControlsSleep="); pw.println(mLidControlsSleep);
6974        pw.print(prefix);
6975                pw.print("mShortPressOnPowerBehavior="); pw.print(mShortPressOnPowerBehavior);
6976                pw.print(" mLongPressOnPowerBehavior="); pw.println(mLongPressOnPowerBehavior);
6977        pw.print(prefix);
6978                pw.print("mDoublePressOnPowerBehavior="); pw.print(mDoublePressOnPowerBehavior);
6979                pw.print(" mTriplePressOnPowerBehavior="); pw.println(mTriplePressOnPowerBehavior);
6980        pw.print(prefix); pw.print("mHasSoftInput="); pw.println(mHasSoftInput);
6981        pw.print(prefix); pw.print("mAwake="); pw.println(mAwake);
6982        pw.print(prefix); pw.print("mScreenOnEarly="); pw.print(mScreenOnEarly);
6983                pw.print(" mScreenOnFully="); pw.println(mScreenOnFully);
6984        pw.print(prefix); pw.print("mKeyguardDrawComplete="); pw.print(mKeyguardDrawComplete);
6985                pw.print(" mWindowManagerDrawComplete="); pw.println(mWindowManagerDrawComplete);
6986        pw.print(prefix); pw.print("mOrientationSensorEnabled=");
6987                pw.println(mOrientationSensorEnabled);
6988        pw.print(prefix); pw.print("mOverscanScreen=("); pw.print(mOverscanScreenLeft);
6989                pw.print(","); pw.print(mOverscanScreenTop);
6990                pw.print(") "); pw.print(mOverscanScreenWidth);
6991                pw.print("x"); pw.println(mOverscanScreenHeight);
6992        if (mOverscanLeft != 0 || mOverscanTop != 0
6993                || mOverscanRight != 0 || mOverscanBottom != 0) {
6994            pw.print(prefix); pw.print("mOverscan left="); pw.print(mOverscanLeft);
6995                    pw.print(" top="); pw.print(mOverscanTop);
6996                    pw.print(" right="); pw.print(mOverscanRight);
6997                    pw.print(" bottom="); pw.println(mOverscanBottom);
6998        }
6999        pw.print(prefix); pw.print("mRestrictedOverscanScreen=(");
7000                pw.print(mRestrictedOverscanScreenLeft);
7001                pw.print(","); pw.print(mRestrictedOverscanScreenTop);
7002                pw.print(") "); pw.print(mRestrictedOverscanScreenWidth);
7003                pw.print("x"); pw.println(mRestrictedOverscanScreenHeight);
7004        pw.print(prefix); pw.print("mUnrestrictedScreen=("); pw.print(mUnrestrictedScreenLeft);
7005                pw.print(","); pw.print(mUnrestrictedScreenTop);
7006                pw.print(") "); pw.print(mUnrestrictedScreenWidth);
7007                pw.print("x"); pw.println(mUnrestrictedScreenHeight);
7008        pw.print(prefix); pw.print("mRestrictedScreen=("); pw.print(mRestrictedScreenLeft);
7009                pw.print(","); pw.print(mRestrictedScreenTop);
7010                pw.print(") "); pw.print(mRestrictedScreenWidth);
7011                pw.print("x"); pw.println(mRestrictedScreenHeight);
7012        pw.print(prefix); pw.print("mStableFullscreen=("); pw.print(mStableFullscreenLeft);
7013                pw.print(","); pw.print(mStableFullscreenTop);
7014                pw.print(")-("); pw.print(mStableFullscreenRight);
7015                pw.print(","); pw.print(mStableFullscreenBottom); pw.println(")");
7016        pw.print(prefix); pw.print("mStable=("); pw.print(mStableLeft);
7017                pw.print(","); pw.print(mStableTop);
7018                pw.print(")-("); pw.print(mStableRight);
7019                pw.print(","); pw.print(mStableBottom); pw.println(")");
7020        pw.print(prefix); pw.print("mSystem=("); pw.print(mSystemLeft);
7021                pw.print(","); pw.print(mSystemTop);
7022                pw.print(")-("); pw.print(mSystemRight);
7023                pw.print(","); pw.print(mSystemBottom); pw.println(")");
7024        pw.print(prefix); pw.print("mCur=("); pw.print(mCurLeft);
7025                pw.print(","); pw.print(mCurTop);
7026                pw.print(")-("); pw.print(mCurRight);
7027                pw.print(","); pw.print(mCurBottom); pw.println(")");
7028        pw.print(prefix); pw.print("mContent=("); pw.print(mContentLeft);
7029                pw.print(","); pw.print(mContentTop);
7030                pw.print(")-("); pw.print(mContentRight);
7031                pw.print(","); pw.print(mContentBottom); pw.println(")");
7032        pw.print(prefix); pw.print("mVoiceContent=("); pw.print(mVoiceContentLeft);
7033                pw.print(","); pw.print(mVoiceContentTop);
7034                pw.print(")-("); pw.print(mVoiceContentRight);
7035                pw.print(","); pw.print(mVoiceContentBottom); pw.println(")");
7036        pw.print(prefix); pw.print("mDock=("); pw.print(mDockLeft);
7037                pw.print(","); pw.print(mDockTop);
7038                pw.print(")-("); pw.print(mDockRight);
7039                pw.print(","); pw.print(mDockBottom); pw.println(")");
7040        pw.print(prefix); pw.print("mDockLayer="); pw.print(mDockLayer);
7041                pw.print(" mStatusBarLayer="); pw.println(mStatusBarLayer);
7042        pw.print(prefix); pw.print("mShowingLockscreen="); pw.print(mShowingLockscreen);
7043                pw.print(" mShowingDream="); pw.print(mShowingDream);
7044                pw.print(" mDreamingLockscreen="); pw.print(mDreamingLockscreen);
7045                pw.print(" mDreamingSleepToken="); pw.println(mDreamingSleepToken);
7046        if (mLastInputMethodWindow != null) {
7047            pw.print(prefix); pw.print("mLastInputMethodWindow=");
7048                    pw.println(mLastInputMethodWindow);
7049        }
7050        if (mLastInputMethodTargetWindow != null) {
7051            pw.print(prefix); pw.print("mLastInputMethodTargetWindow=");
7052                    pw.println(mLastInputMethodTargetWindow);
7053        }
7054        if (mStatusBar != null) {
7055            pw.print(prefix); pw.print("mStatusBar=");
7056                    pw.print(mStatusBar); pw.print(" isStatusBarKeyguard=");
7057                    pw.println(isStatusBarKeyguard());
7058        }
7059        if (mNavigationBar != null) {
7060            pw.print(prefix); pw.print("mNavigationBar=");
7061                    pw.println(mNavigationBar);
7062        }
7063        if (mFocusedWindow != null) {
7064            pw.print(prefix); pw.print("mFocusedWindow=");
7065                    pw.println(mFocusedWindow);
7066        }
7067        if (mFocusedApp != null) {
7068            pw.print(prefix); pw.print("mFocusedApp=");
7069                    pw.println(mFocusedApp);
7070        }
7071        if (mWinDismissingKeyguard != null) {
7072            pw.print(prefix); pw.print("mWinDismissingKeyguard=");
7073                    pw.println(mWinDismissingKeyguard);
7074        }
7075        if (mTopFullscreenOpaqueWindowState != null) {
7076            pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
7077                    pw.println(mTopFullscreenOpaqueWindowState);
7078        }
7079        if (mTopFullscreenOpaqueOrDimmingWindowState != null) {
7080            pw.print(prefix); pw.print("mTopFullscreenOpaqueOrDimmingWindowState=");
7081                    pw.println(mTopFullscreenOpaqueOrDimmingWindowState);
7082        }
7083        if (mForcingShowNavBar) {
7084            pw.print(prefix); pw.print("mForcingShowNavBar=");
7085                    pw.println(mForcingShowNavBar); pw.print( "mForcingShowNavBarLayer=");
7086                    pw.println(mForcingShowNavBarLayer);
7087        }
7088        pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
7089                pw.print(" mHideLockScreen="); pw.println(mHideLockScreen);
7090        pw.print(prefix); pw.print("mForceStatusBar="); pw.print(mForceStatusBar);
7091                pw.print(" mForceStatusBarFromKeyguard=");
7092                pw.println(mForceStatusBarFromKeyguard);
7093        pw.print(prefix); pw.print("mDismissKeyguard="); pw.print(mDismissKeyguard);
7094                pw.print(" mWinDismissingKeyguard="); pw.print(mWinDismissingKeyguard);
7095                pw.print(" mHomePressed="); pw.println(mHomePressed);
7096        pw.print(prefix); pw.print("mAllowLockscreenWhenOn="); pw.print(mAllowLockscreenWhenOn);
7097                pw.print(" mLockScreenTimeout="); pw.print(mLockScreenTimeout);
7098                pw.print(" mLockScreenTimerActive="); pw.println(mLockScreenTimerActive);
7099        pw.print(prefix); pw.print("mEndcallBehavior="); pw.print(mEndcallBehavior);
7100                pw.print(" mIncallPowerBehavior="); pw.print(mIncallPowerBehavior);
7101                pw.print(" mLongPressOnHomeBehavior="); pw.println(mLongPressOnHomeBehavior);
7102        pw.print(prefix); pw.print("mLandscapeRotation="); pw.print(mLandscapeRotation);
7103                pw.print(" mSeascapeRotation="); pw.println(mSeascapeRotation);
7104        pw.print(prefix); pw.print("mPortraitRotation="); pw.print(mPortraitRotation);
7105                pw.print(" mUpsideDownRotation="); pw.println(mUpsideDownRotation);
7106        pw.print(prefix); pw.print("mDemoHdmiRotation="); pw.print(mDemoHdmiRotation);
7107                pw.print(" mDemoHdmiRotationLock="); pw.println(mDemoHdmiRotationLock);
7108        pw.print(prefix); pw.print("mUndockedHdmiRotation="); pw.println(mUndockedHdmiRotation);
7109
7110        mGlobalKeyManager.dump(prefix, pw);
7111        mStatusBarController.dump(pw, prefix);
7112        mNavigationBarController.dump(pw, prefix);
7113        PolicyControl.dump(prefix, pw);
7114
7115        if (mWakeGestureListener != null) {
7116            mWakeGestureListener.dump(pw, prefix);
7117        }
7118        if (mOrientationListener != null) {
7119            mOrientationListener.dump(pw, prefix);
7120        }
7121        if (mBurnInProtectionHelper != null) {
7122            mBurnInProtectionHelper.dump(prefix, pw);
7123        }
7124        if (mKeyguardDelegate != null) {
7125            mKeyguardDelegate.dump(prefix, pw);
7126        }
7127    }
7128}
7129