PhoneWindowManager.java revision 93f724b04ef83aae7ab6ce97a9dc890d0c8c8b47 
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 android.app.ActivityManager;
20import android.app.ActivityManagerNative;
21import android.app.AppOpsManager;
22import android.app.IUiModeManager;
23import android.app.ProgressDialog;
24import android.app.SearchManager;
25import android.app.StatusBarManager;
26import android.app.UiModeManager;
27import android.content.ActivityNotFoundException;
28import android.content.BroadcastReceiver;
29import android.content.ComponentName;
30import android.content.ContentResolver;
31import android.content.Context;
32import android.content.Intent;
33import android.content.IntentFilter;
34import android.content.ServiceConnection;
35import android.content.pm.ActivityInfo;
36import android.content.pm.PackageManager;
37import android.content.pm.ResolveInfo;
38import android.content.res.CompatibilityInfo;
39import android.content.res.Configuration;
40import android.content.res.Resources;
41import android.content.res.TypedArray;
42import android.database.ContentObserver;
43import android.graphics.PixelFormat;
44import android.graphics.Rect;
45import android.media.AudioAttributes;
46import android.media.AudioManager;
47import android.media.AudioSystem;
48import android.media.IAudioService;
49import android.media.Ringtone;
50import android.media.RingtoneManager;
51import android.media.session.MediaSessionLegacyHelper;
52import android.os.Build;
53import android.os.Bundle;
54import android.os.Debug;
55import android.os.FactoryTest;
56import android.os.Handler;
57import android.os.IBinder;
58import android.os.Looper;
59import android.os.Message;
60import android.os.Messenger;
61import android.os.PowerManager;
62import android.os.RemoteException;
63import android.os.ServiceManager;
64import android.os.SystemClock;
65import android.os.SystemProperties;
66import android.os.UEventObserver;
67import android.os.UserHandle;
68import android.os.Vibrator;
69import android.provider.MediaStore;
70import android.provider.Settings;
71import android.service.dreams.DreamManagerInternal;
72import android.service.dreams.DreamService;
73import android.service.dreams.IDreamManager;
74import android.speech.RecognizerIntent;
75import android.telecom.TelecomManager;
76import android.util.DisplayMetrics;
77import android.util.EventLog;
78import android.util.Log;
79import android.util.Slog;
80import android.util.SparseArray;
81import android.view.Display;
82import android.view.Gravity;
83import android.view.HapticFeedbackConstants;
84import android.view.IApplicationToken;
85import android.view.IWindowManager;
86import android.view.InputChannel;
87import android.view.InputDevice;
88import android.view.InputEvent;
89import android.view.InputEventReceiver;
90import android.view.KeyCharacterMap;
91import android.view.KeyCharacterMap.FallbackAction;
92import android.view.KeyEvent;
93import android.view.MotionEvent;
94import android.view.PhoneWindow;
95import android.view.Surface;
96import android.view.View;
97import android.view.ViewConfiguration;
98import android.view.ViewRootImpl;
99import android.view.Window;
100import android.view.WindowManager;
101import android.view.WindowManagerGlobal;
102import android.view.WindowManagerInternal;
103import android.view.WindowManagerPolicy;
104import android.view.accessibility.AccessibilityEvent;
105import android.view.accessibility.AccessibilityManager;
106import android.view.animation.Animation;
107import android.view.animation.AnimationSet;
108import android.view.animation.AnimationUtils;
109import com.android.internal.R;
110import com.android.internal.statusbar.IStatusBarService;
111import com.android.internal.widget.PointerLocationView;
112import com.android.server.LocalServices;
113import com.android.server.policy.keyguard.KeyguardServiceDelegate;
114import com.android.server.policy.keyguard.KeyguardServiceDelegate.ShowListener;
115
116import java.io.File;
117import java.io.FileReader;
118import java.io.IOException;
119import java.io.PrintWriter;
120import java.util.HashSet;
121import java.util.List;
122
123import static android.view.WindowManager.LayoutParams.*;
124import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_ABSENT;
125import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_OPEN;
126import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_CLOSED;
127import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVER_ABSENT;
128import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_UNCOVERED;
129import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVERED;
130
131/**
132 * WindowManagerPolicy implementation for the Android phone UI.  This
133 * introduces a new method suffix, Lp, for an internal lock of the
134 * PhoneWindowManager.  This is used to protect some internal state, and
135 * can be acquired with either the Lw and Li lock held, so has the restrictions
136 * of both of those when held.
137 */
138public class PhoneWindowManager implements WindowManagerPolicy {
139    static final String TAG = "WindowManager";
140    static final boolean DEBUG = false;
141    static final boolean localLOGV = false;
142    static final boolean DEBUG_INPUT = false;
143    static final boolean DEBUG_KEYGUARD = false;
144    static final boolean DEBUG_LAYOUT = false;
145    static final boolean DEBUG_STARTING_WINDOW = false;
146    static final boolean DEBUG_WAKEUP = false;
147    static final boolean SHOW_STARTING_ANIMATIONS = true;
148    static final boolean SHOW_PROCESSES_ON_ALT_MENU = false;
149
150    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
151    // No longer recommended for desk docks; still useful in car docks.
152    static final boolean ENABLE_CAR_DOCK_HOME_CAPTURE = true;
153    static final boolean ENABLE_DESK_DOCK_HOME_CAPTURE = false;
154
155    static final int SHORT_PRESS_POWER_NOTHING = 0;
156    static final int SHORT_PRESS_POWER_GO_TO_SLEEP = 1;
157    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP = 2;
158    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME = 3;
159    static final int SHORT_PRESS_POWER_GO_HOME = 4;
160
161    static final int LONG_PRESS_POWER_NOTHING = 0;
162    static final int LONG_PRESS_POWER_GLOBAL_ACTIONS = 1;
163    static final int LONG_PRESS_POWER_SHUT_OFF = 2;
164    static final int LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM = 3;
165
166    static final int MULTI_PRESS_POWER_NOTHING = 0;
167    static final int MULTI_PRESS_POWER_THEATER_MODE = 1;
168    static final int MULTI_PRESS_POWER_BRIGHTNESS_BOOST = 2;
169
170    // These need to match the documentation/constant in
171    // core/res/res/values/config.xml
172    static final int LONG_PRESS_HOME_NOTHING = 0;
173    static final int LONG_PRESS_HOME_RECENT_SYSTEM_UI = 1;
174    static final int LONG_PRESS_HOME_ASSIST = 2;
175
176    static final int DOUBLE_TAP_HOME_NOTHING = 0;
177    static final int DOUBLE_TAP_HOME_RECENT_SYSTEM_UI = 1;
178
179    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP = 0;
180    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME = 1;
181
182    static final int APPLICATION_MEDIA_SUBLAYER = -2;
183    static final int APPLICATION_MEDIA_OVERLAY_SUBLAYER = -1;
184    static final int APPLICATION_PANEL_SUBLAYER = 1;
185    static final int APPLICATION_SUB_PANEL_SUBLAYER = 2;
186
187    static public final String SYSTEM_DIALOG_REASON_KEY = "reason";
188    static public final String SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS = "globalactions";
189    static public final String SYSTEM_DIALOG_REASON_RECENT_APPS = "recentapps";
190    static public final String SYSTEM_DIALOG_REASON_HOME_KEY = "homekey";
191    static public final String SYSTEM_DIALOG_REASON_ASSIST = "assist";
192
193    /**
194     * These are the system UI flags that, when changing, can cause the layout
195     * of the screen to change.
196     */
197    static final int SYSTEM_UI_CHANGING_LAYOUT =
198              View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
199            | View.SYSTEM_UI_FLAG_FULLSCREEN
200            | View.STATUS_BAR_TRANSLUCENT
201            | View.NAVIGATION_BAR_TRANSLUCENT
202            | View.SYSTEM_UI_TRANSPARENT;
203
204    private static final AudioAttributes VIBRATION_ATTRIBUTES = new AudioAttributes.Builder()
205            .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
206            .setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION)
207            .build();
208
209    /**
210     * Keyguard stuff
211     */
212    private WindowState mKeyguardScrim;
213    private boolean mKeyguardHidden;
214    private boolean mKeyguardDrawnOnce;
215
216    /* Table of Application Launch keys.  Maps from key codes to intent categories.
217     *
218     * These are special keys that are used to launch particular kinds of applications,
219     * such as a web browser.  HID defines nearly a hundred of them in the Consumer (0x0C)
220     * usage page.  We don't support quite that many yet...
221     */
222    static SparseArray<String> sApplicationLaunchKeyCategories;
223    static {
224        sApplicationLaunchKeyCategories = new SparseArray<String>();
225        sApplicationLaunchKeyCategories.append(
226                KeyEvent.KEYCODE_EXPLORER, Intent.CATEGORY_APP_BROWSER);
227        sApplicationLaunchKeyCategories.append(
228                KeyEvent.KEYCODE_ENVELOPE, Intent.CATEGORY_APP_EMAIL);
229        sApplicationLaunchKeyCategories.append(
230                KeyEvent.KEYCODE_CONTACTS, Intent.CATEGORY_APP_CONTACTS);
231        sApplicationLaunchKeyCategories.append(
232                KeyEvent.KEYCODE_CALENDAR, Intent.CATEGORY_APP_CALENDAR);
233        sApplicationLaunchKeyCategories.append(
234                KeyEvent.KEYCODE_MUSIC, Intent.CATEGORY_APP_MUSIC);
235        sApplicationLaunchKeyCategories.append(
236                KeyEvent.KEYCODE_CALCULATOR, Intent.CATEGORY_APP_CALCULATOR);
237    }
238
239    /** Amount of time (in milliseconds) to wait for windows drawn before powering on. */
240    static final int WAITING_FOR_DRAWN_TIMEOUT = 1000;
241
242    /**
243     * Lock protecting internal state.  Must not call out into window
244     * manager with lock held.  (This lock will be acquired in places
245     * where the window manager is calling in with its own lock held.)
246     */
247    private final Object mLock = new Object();
248
249    Context mContext;
250    IWindowManager mWindowManager;
251    WindowManagerFuncs mWindowManagerFuncs;
252    WindowManagerInternal mWindowManagerInternal;
253    PowerManager mPowerManager;
254    DreamManagerInternal mDreamManagerInternal;
255    IStatusBarService mStatusBarService;
256    boolean mPreloadedRecentApps;
257    final Object mServiceAquireLock = new Object();
258    Vibrator mVibrator; // Vibrator for giving feedback of orientation changes
259    SearchManager mSearchManager;
260    AccessibilityManager mAccessibilityManager;
261    BurnInProtectionHelper mBurnInProtectionHelper;
262
263    // Vibrator pattern for haptic feedback of a long press.
264    long[] mLongPressVibePattern;
265
266    // Vibrator pattern for haptic feedback of virtual key press.
267    long[] mVirtualKeyVibePattern;
268
269    // Vibrator pattern for a short vibration.
270    long[] mKeyboardTapVibePattern;
271
272    // Vibrator pattern for a short vibration when tapping on an hour/minute tick of a Clock.
273    long[] mClockTickVibePattern;
274
275    // Vibrator pattern for a short vibration when tapping on a day/month/year date of a Calendar.
276    long[] mCalendarDateVibePattern;
277
278    // Vibrator pattern for haptic feedback during boot when safe mode is disabled.
279    long[] mSafeModeDisabledVibePattern;
280
281    // Vibrator pattern for haptic feedback during boot when safe mode is enabled.
282    long[] mSafeModeEnabledVibePattern;
283
284    /** If true, hitting shift & menu will broadcast Intent.ACTION_BUG_REPORT */
285    boolean mEnableShiftMenuBugReports = false;
286
287    boolean mSafeMode;
288    WindowState mStatusBar = null;
289    int mStatusBarHeight;
290    WindowState mNavigationBar = null;
291    boolean mHasNavigationBar = false;
292    boolean mCanHideNavigationBar = false;
293    boolean mNavigationBarCanMove = false; // can the navigation bar ever move to the side?
294    boolean mNavigationBarOnBottom = true; // is the navigation bar on the bottom *right now*?
295    int[] mNavigationBarHeightForRotation = new int[4];
296    int[] mNavigationBarWidthForRotation = new int[4];
297
298    boolean mBootMessageNeedsHiding;
299    KeyguardServiceDelegate mKeyguardDelegate;
300    final Runnable mWindowManagerDrawCallback = new Runnable() {
301        @Override
302        public void run() {
303            if (DEBUG_WAKEUP) Slog.i(TAG, "All windows ready for display!");
304            mHandler.sendEmptyMessage(MSG_WINDOW_MANAGER_DRAWN_COMPLETE);
305        }
306    };
307    final ShowListener mKeyguardDelegateCallback = new ShowListener() {
308        @Override
309        public void onShown(IBinder windowToken) {
310            if (DEBUG_WAKEUP) Slog.d(TAG, "mKeyguardDelegate.ShowListener.onShown.");
311            mHandler.sendEmptyMessage(MSG_KEYGUARD_DRAWN_COMPLETE);
312        }
313    };
314
315    GlobalActions mGlobalActions;
316    Handler mHandler;
317    WindowState mLastInputMethodWindow = null;
318    WindowState mLastInputMethodTargetWindow = null;
319
320    // FIXME This state is shared between the input reader and handler thread.
321    // Technically it's broken and buggy but it has been like this for many years
322    // and we have not yet seen any problems.  Someday we'll rewrite this logic
323    // so that only one thread is involved in handling input policy.  Unfortunately
324    // it's on a critical path for power management so we can't just post the work to the
325    // handler thread.  We'll need to resolve this someday by teaching the input dispatcher
326    // to hold wakelocks during dispatch and eliminating the critical path.
327    volatile boolean mPowerKeyHandled;
328    volatile boolean mBeganFromNonInteractive;
329    volatile int mPowerKeyPressCounter;
330    volatile boolean mEndCallKeyHandled;
331
332    boolean mRecentsVisible;
333    int mRecentAppsHeldModifiers;
334    boolean mLanguageSwitchKeyPressed;
335
336    int mLidState = LID_ABSENT;
337    int mCameraLensCoverState = CAMERA_LENS_COVER_ABSENT;
338    boolean mHaveBuiltInKeyboard;
339
340    boolean mSystemReady;
341    boolean mSystemBooted;
342    boolean mHdmiPlugged;
343    IUiModeManager mUiModeManager;
344    int mUiMode;
345    int mDockMode = Intent.EXTRA_DOCK_STATE_UNDOCKED;
346    int mLidOpenRotation;
347    int mCarDockRotation;
348    int mDeskDockRotation;
349    int mUndockedHdmiRotation;
350    int mDemoHdmiRotation;
351    boolean mDemoHdmiRotationLock;
352    int mDemoRotation;
353    boolean mDemoRotationLock;
354
355    boolean mWakeGestureEnabledSetting;
356    MyWakeGestureListener mWakeGestureListener;
357
358    // Default display does not rotate, apps that require non-default orientation will have to
359    // have the orientation emulated.
360    private boolean mForceDefaultOrientation = false;
361
362    int mUserRotationMode = WindowManagerPolicy.USER_ROTATION_FREE;
363    int mUserRotation = Surface.ROTATION_0;
364    boolean mAccelerometerDefault;
365
366    boolean mSupportAutoRotation;
367    int mAllowAllRotations = -1;
368    boolean mCarDockEnablesAccelerometer;
369    boolean mDeskDockEnablesAccelerometer;
370    int mLidKeyboardAccessibility;
371    int mLidNavigationAccessibility;
372    boolean mLidControlsSleep;
373    int mShortPressOnPowerBehavior;
374    int mLongPressOnPowerBehavior;
375    int mDoublePressOnPowerBehavior;
376    int mTriplePressOnPowerBehavior;
377    int mShortPressOnSleepBehavior;
378    boolean mAwake;
379    boolean mScreenOnEarly;
380    boolean mScreenOnFully;
381    ScreenOnListener mScreenOnListener;
382    boolean mKeyguardDrawComplete;
383    boolean mWindowManagerDrawComplete;
384    boolean mOrientationSensorEnabled = false;
385    int mCurrentAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
386    boolean mHasSoftInput = false;
387    boolean mTranslucentDecorEnabled = true;
388    boolean mUseTvRouting;
389
390    int mPointerLocationMode = 0; // guarded by mLock
391
392    // The last window we were told about in focusChanged.
393    WindowState mFocusedWindow;
394    IApplicationToken mFocusedApp;
395
396    PointerLocationView mPointerLocationView;
397
398    // The current size of the screen; really; extends into the overscan area of
399    // the screen and doesn't account for any system elements like the status bar.
400    int mOverscanScreenLeft, mOverscanScreenTop;
401    int mOverscanScreenWidth, mOverscanScreenHeight;
402    // The current visible size of the screen; really; (ir)regardless of whether the status
403    // bar can be hidden but not extending into the overscan area.
404    int mUnrestrictedScreenLeft, mUnrestrictedScreenTop;
405    int mUnrestrictedScreenWidth, mUnrestrictedScreenHeight;
406    // Like mOverscanScreen*, but allowed to move into the overscan region where appropriate.
407    int mRestrictedOverscanScreenLeft, mRestrictedOverscanScreenTop;
408    int mRestrictedOverscanScreenWidth, mRestrictedOverscanScreenHeight;
409    // The current size of the screen; these may be different than (0,0)-(dw,dh)
410    // if the status bar can't be hidden; in that case it effectively carves out
411    // that area of the display from all other windows.
412    int mRestrictedScreenLeft, mRestrictedScreenTop;
413    int mRestrictedScreenWidth, mRestrictedScreenHeight;
414    // During layout, the current screen borders accounting for any currently
415    // visible system UI elements.
416    int mSystemLeft, mSystemTop, mSystemRight, mSystemBottom;
417    // For applications requesting stable content insets, these are them.
418    int mStableLeft, mStableTop, mStableRight, mStableBottom;
419    // For applications requesting stable content insets but have also set the
420    // fullscreen window flag, these are the stable dimensions without the status bar.
421    int mStableFullscreenLeft, mStableFullscreenTop;
422    int mStableFullscreenRight, mStableFullscreenBottom;
423    // During layout, the current screen borders with all outer decoration
424    // (status bar, input method dock) accounted for.
425    int mCurLeft, mCurTop, mCurRight, mCurBottom;
426    // During layout, the frame in which content should be displayed
427    // to the user, accounting for all screen decoration except for any
428    // space they deem as available for other content.  This is usually
429    // the same as mCur*, but may be larger if the screen decor has supplied
430    // content insets.
431    int mContentLeft, mContentTop, mContentRight, mContentBottom;
432    // During layout, the frame in which voice content should be displayed
433    // to the user, accounting for all screen decoration except for any
434    // space they deem as available for other content.
435    int mVoiceContentLeft, mVoiceContentTop, mVoiceContentRight, mVoiceContentBottom;
436    // During layout, the current screen borders along which input method
437    // windows are placed.
438    int mDockLeft, mDockTop, mDockRight, mDockBottom;
439    // During layout, the layer at which the doc window is placed.
440    int mDockLayer;
441    // During layout, this is the layer of the status bar.
442    int mStatusBarLayer;
443    int mLastSystemUiFlags;
444    // Bits that we are in the process of clearing, so we want to prevent
445    // them from being set by applications until everything has been updated
446    // to have them clear.
447    int mResettingSystemUiFlags = 0;
448    // Bits that we are currently always keeping cleared.
449    int mForceClearedSystemUiFlags = 0;
450    // What we last reported to system UI about whether the compatibility
451    // menu needs to be displayed.
452    boolean mLastFocusNeedsMenu = false;
453
454    FakeWindow mHideNavFakeWindow = null;
455
456    static final Rect mTmpParentFrame = new Rect();
457    static final Rect mTmpDisplayFrame = new Rect();
458    static final Rect mTmpOverscanFrame = new Rect();
459    static final Rect mTmpContentFrame = new Rect();
460    static final Rect mTmpVisibleFrame = new Rect();
461    static final Rect mTmpDecorFrame = new Rect();
462    static final Rect mTmpStableFrame = new Rect();
463    static final Rect mTmpNavigationFrame = new Rect();
464
465    WindowState mTopFullscreenOpaqueWindowState;
466    WindowState mTopFullscreenOpaqueOrDimmingWindowState;
467    HashSet<IApplicationToken> mAppsToBeHidden = new HashSet<IApplicationToken>();
468    HashSet<IApplicationToken> mAppsThatDismissKeyguard = new HashSet<IApplicationToken>();
469    boolean mTopIsFullscreen;
470    boolean mForceStatusBar;
471    boolean mForceStatusBarFromKeyguard;
472    boolean mHideLockScreen;
473    boolean mForcingShowNavBar;
474    int mForcingShowNavBarLayer;
475
476    // States of keyguard dismiss.
477    private static final int DISMISS_KEYGUARD_NONE = 0; // Keyguard not being dismissed.
478    private static final int DISMISS_KEYGUARD_START = 1; // Keyguard needs to be dismissed.
479    private static final int DISMISS_KEYGUARD_CONTINUE = 2; // Keyguard has been dismissed.
480    int mDismissKeyguard = DISMISS_KEYGUARD_NONE;
481
482    /** The window that is currently dismissing the keyguard. Dismissing the keyguard must only
483     * be done once per window. */
484    private WindowState mWinDismissingKeyguard;
485
486    /** The window that is currently showing "over" the keyguard. If there is an app window
487     * belonging to another app on top of this the keyguard shows. If there is a fullscreen
488     * app window under this, still dismiss the keyguard but don't show the app underneath. Show
489     * the wallpaper. */
490    private WindowState mWinShowWhenLocked;
491
492    boolean mShowingLockscreen;
493    boolean mShowingDream;
494    boolean mDreamingLockscreen;
495    boolean mKeyguardSecure;
496    boolean mKeyguardSecureIncludingHidden;
497    volatile boolean mKeyguardOccluded;
498    boolean mHomePressed;
499    boolean mHomeConsumed;
500    boolean mHomeDoubleTapPending;
501    Intent mHomeIntent;
502    Intent mCarDockIntent;
503    Intent mDeskDockIntent;
504    boolean mSearchKeyShortcutPending;
505    boolean mConsumeSearchKeyUp;
506    boolean mAssistKeyLongPressed;
507    boolean mPendingMetaAction;
508
509    // support for activating the lock screen while the screen is on
510    boolean mAllowLockscreenWhenOn;
511    int mLockScreenTimeout;
512    boolean mLockScreenTimerActive;
513
514    // Behavior of ENDCALL Button.  (See Settings.System.END_BUTTON_BEHAVIOR.)
515    int mEndcallBehavior;
516
517    // Behavior of POWER button while in-call and screen on.
518    // (See Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR.)
519    int mIncallPowerBehavior;
520
521    Display mDisplay;
522
523    int mLandscapeRotation = 0;  // default landscape rotation
524    int mSeascapeRotation = 0;   // "other" landscape rotation, 180 degrees from mLandscapeRotation
525    int mPortraitRotation = 0;   // default portrait rotation
526    int mUpsideDownRotation = 0; // "other" portrait rotation
527
528    int mOverscanLeft = 0;
529    int mOverscanTop = 0;
530    int mOverscanRight = 0;
531    int mOverscanBottom = 0;
532
533    // What we do when the user long presses on home
534    private int mLongPressOnHomeBehavior;
535
536    // What we do when the user double-taps on home
537    private int mDoubleTapOnHomeBehavior;
538
539    // Allowed theater mode wake actions
540    private boolean mAllowTheaterModeWakeFromKey;
541    private boolean mAllowTheaterModeWakeFromPowerKey;
542    private boolean mAllowTheaterModeWakeFromMotion;
543    private boolean mAllowTheaterModeWakeFromMotionWhenNotDreaming;
544    private boolean mAllowTheaterModeWakeFromCameraLens;
545    private boolean mAllowTheaterModeWakeFromLidSwitch;
546    private boolean mAllowTheaterModeWakeFromWakeGesture;
547
548    // Whether to support long press from power button in non-interactive mode
549    private boolean mSupportLongPressPowerWhenNonInteractive;
550
551    // Whether to go to sleep entering theater mode from power button
552    private boolean mGoToSleepOnButtonPressTheaterMode;
553
554    // Screenshot trigger states
555    // Time to volume and power must be pressed within this interval of each other.
556    private static final long SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS = 150;
557    // Increase the chord delay when taking a screenshot from the keyguard
558    private static final float KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER = 2.5f;
559    private boolean mScreenshotChordEnabled;
560    private boolean mScreenshotChordVolumeDownKeyTriggered;
561    private long mScreenshotChordVolumeDownKeyTime;
562    private boolean mScreenshotChordVolumeDownKeyConsumed;
563    private boolean mScreenshotChordVolumeUpKeyTriggered;
564    private boolean mScreenshotChordPowerKeyTriggered;
565    private long mScreenshotChordPowerKeyTime;
566
567    /* The number of steps between min and max brightness */
568    private static final int BRIGHTNESS_STEPS = 10;
569
570    SettingsObserver mSettingsObserver;
571    ShortcutManager mShortcutManager;
572    PowerManager.WakeLock mBroadcastWakeLock;
573    PowerManager.WakeLock mPowerKeyWakeLock;
574    boolean mHavePendingMediaKeyRepeatWithWakeLock;
575
576    private int mCurrentUserId;
577
578    // Maps global key codes to the components that will handle them.
579    private GlobalKeyManager mGlobalKeyManager;
580
581    // Fallback actions by key code.
582    private final SparseArray<KeyCharacterMap.FallbackAction> mFallbackActions =
583            new SparseArray<KeyCharacterMap.FallbackAction>();
584
585    private final LogDecelerateInterpolator mLogDecelerateInterpolator
586            = new LogDecelerateInterpolator(100, 0);
587
588    private static final int MSG_ENABLE_POINTER_LOCATION = 1;
589    private static final int MSG_DISABLE_POINTER_LOCATION = 2;
590    private static final int MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK = 3;
591    private static final int MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK = 4;
592    private static final int MSG_KEYGUARD_DRAWN_COMPLETE = 5;
593    private static final int MSG_KEYGUARD_DRAWN_TIMEOUT = 6;
594    private static final int MSG_WINDOW_MANAGER_DRAWN_COMPLETE = 7;
595    private static final int MSG_DISPATCH_SHOW_RECENTS = 9;
596    private static final int MSG_DISPATCH_SHOW_GLOBAL_ACTIONS = 10;
597    private static final int MSG_HIDE_BOOT_MESSAGE = 11;
598    private static final int MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK = 12;
599    private static final int MSG_POWER_DELAYED_PRESS = 13;
600    private static final int MSG_POWER_LONG_PRESS = 14;
601
602    private class PolicyHandler extends Handler {
603        @Override
604        public void handleMessage(Message msg) {
605            switch (msg.what) {
606                case MSG_ENABLE_POINTER_LOCATION:
607                    enablePointerLocation();
608                    break;
609                case MSG_DISABLE_POINTER_LOCATION:
610                    disablePointerLocation();
611                    break;
612                case MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK:
613                    dispatchMediaKeyWithWakeLock((KeyEvent)msg.obj);
614                    break;
615                case MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK:
616                    dispatchMediaKeyRepeatWithWakeLock((KeyEvent)msg.obj);
617                    break;
618                case MSG_DISPATCH_SHOW_RECENTS:
619                    showRecentApps(false);
620                    break;
621                case MSG_DISPATCH_SHOW_GLOBAL_ACTIONS:
622                    showGlobalActionsInternal();
623                    break;
624                case MSG_KEYGUARD_DRAWN_COMPLETE:
625                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mKeyguardDrawComplete");
626                    finishKeyguardDrawn();
627                    break;
628                case MSG_KEYGUARD_DRAWN_TIMEOUT:
629                    Slog.w(TAG, "Keyguard drawn timeout. Setting mKeyguardDrawComplete");
630                    finishKeyguardDrawn();
631                    break;
632                case MSG_WINDOW_MANAGER_DRAWN_COMPLETE:
633                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mWindowManagerDrawComplete");
634                    finishWindowsDrawn();
635                    break;
636                case MSG_HIDE_BOOT_MESSAGE:
637                    handleHideBootMessage();
638                    break;
639                case MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK:
640                    launchVoiceAssistWithWakeLock(msg.arg1 != 0);
641                    break;
642                case MSG_POWER_DELAYED_PRESS:
643                    powerPress((Long)msg.obj, msg.arg1 != 0, msg.arg2);
644                    finishPowerKeyPress();
645                    break;
646                case MSG_POWER_LONG_PRESS:
647                    powerLongPress();
648                    break;
649            }
650        }
651    }
652
653    private UEventObserver mHDMIObserver = new UEventObserver() {
654        @Override
655        public void onUEvent(UEventObserver.UEvent event) {
656            setHdmiPlugged("1".equals(event.get("SWITCH_STATE")));
657        }
658    };
659
660    class SettingsObserver extends ContentObserver {
661        SettingsObserver(Handler handler) {
662            super(handler);
663        }
664
665        void observe() {
666            // Observe all users' changes
667            ContentResolver resolver = mContext.getContentResolver();
668            resolver.registerContentObserver(Settings.System.getUriFor(
669                    Settings.System.END_BUTTON_BEHAVIOR), false, this,
670                    UserHandle.USER_ALL);
671            resolver.registerContentObserver(Settings.Secure.getUriFor(
672                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR), false, this,
673                    UserHandle.USER_ALL);
674            resolver.registerContentObserver(Settings.Secure.getUriFor(
675                    Settings.Secure.WAKE_GESTURE_ENABLED), false, this,
676                    UserHandle.USER_ALL);
677            resolver.registerContentObserver(Settings.System.getUriFor(
678                    Settings.System.ACCELEROMETER_ROTATION), false, this,
679                    UserHandle.USER_ALL);
680            resolver.registerContentObserver(Settings.System.getUriFor(
681                    Settings.System.USER_ROTATION), false, this,
682                    UserHandle.USER_ALL);
683            resolver.registerContentObserver(Settings.System.getUriFor(
684                    Settings.System.SCREEN_OFF_TIMEOUT), false, this,
685                    UserHandle.USER_ALL);
686            resolver.registerContentObserver(Settings.System.getUriFor(
687                    Settings.System.POINTER_LOCATION), false, this,
688                    UserHandle.USER_ALL);
689            resolver.registerContentObserver(Settings.Secure.getUriFor(
690                    Settings.Secure.DEFAULT_INPUT_METHOD), false, this,
691                    UserHandle.USER_ALL);
692            resolver.registerContentObserver(Settings.Secure.getUriFor(
693                    Settings.Secure.IMMERSIVE_MODE_CONFIRMATIONS), false, this,
694                    UserHandle.USER_ALL);
695            resolver.registerContentObserver(Settings.Global.getUriFor(
696                    Settings.Global.POLICY_CONTROL), false, this,
697                    UserHandle.USER_ALL);
698            updateSettings();
699        }
700
701        @Override public void onChange(boolean selfChange) {
702            updateSettings();
703            updateRotation(false);
704        }
705    }
706
707    class MyWakeGestureListener extends WakeGestureListener {
708        MyWakeGestureListener(Context context, Handler handler) {
709            super(context, handler);
710        }
711
712        @Override
713        public void onWakeUp() {
714            synchronized (mLock) {
715                if (shouldEnableWakeGestureLp()) {
716                    performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
717                    wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromWakeGesture);
718                }
719            }
720        }
721    }
722
723    class MyOrientationListener extends WindowOrientationListener {
724        MyOrientationListener(Context context, Handler handler) {
725            super(context, handler);
726        }
727
728        @Override
729        public void onProposedRotationChanged(int rotation) {
730            if (localLOGV) Slog.v(TAG, "onProposedRotationChanged, rotation=" + rotation);
731            updateRotation(false);
732        }
733    }
734    MyOrientationListener mOrientationListener;
735
736    private final StatusBarController mStatusBarController = new StatusBarController();
737
738    private final BarController mNavigationBarController = new BarController("NavigationBar",
739            View.NAVIGATION_BAR_TRANSIENT,
740            View.NAVIGATION_BAR_UNHIDE,
741            View.NAVIGATION_BAR_TRANSLUCENT,
742            StatusBarManager.WINDOW_NAVIGATION_BAR,
743            WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
744
745    private ImmersiveModeConfirmation mImmersiveModeConfirmation;
746
747    private SystemGesturesPointerEventListener mSystemGestures;
748
749    IStatusBarService getStatusBarService() {
750        synchronized (mServiceAquireLock) {
751            if (mStatusBarService == null) {
752                mStatusBarService = IStatusBarService.Stub.asInterface(
753                        ServiceManager.getService("statusbar"));
754            }
755            return mStatusBarService;
756        }
757    }
758
759    /*
760     * We always let the sensor be switched on by default except when
761     * the user has explicitly disabled sensor based rotation or when the
762     * screen is switched off.
763     */
764    boolean needSensorRunningLp() {
765        if (mSupportAutoRotation) {
766            if (mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
767                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
768                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT
769                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE) {
770                // If the application has explicitly requested to follow the
771                // orientation, then we need to turn the sensor on.
772                return true;
773            }
774        }
775        if ((mCarDockEnablesAccelerometer && mDockMode == Intent.EXTRA_DOCK_STATE_CAR) ||
776                (mDeskDockEnablesAccelerometer && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
777                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
778                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK))) {
779            // enable accelerometer if we are docked in a dock that enables accelerometer
780            // orientation management,
781            return true;
782        }
783        if (mUserRotationMode == USER_ROTATION_LOCKED) {
784            // If the setting for using the sensor by default is enabled, then
785            // we will always leave it on.  Note that the user could go to
786            // a window that forces an orientation that does not use the
787            // sensor and in theory we could turn it off... however, when next
788            // turning it on we won't have a good value for the current
789            // orientation for a little bit, which can cause orientation
790            // changes to lag, so we'd like to keep it always on.  (It will
791            // still be turned off when the screen is off.)
792            return false;
793        }
794        return mSupportAutoRotation;
795    }
796
797    /*
798     * Various use cases for invoking this function
799     * screen turning off, should always disable listeners if already enabled
800     * screen turned on and current app has sensor based orientation, enable listeners
801     * if not already enabled
802     * screen turned on and current app does not have sensor orientation, disable listeners if
803     * already enabled
804     * screen turning on and current app has sensor based orientation, enable listeners if needed
805     * screen turning on and current app has nosensor based orientation, do nothing
806     */
807    void updateOrientationListenerLp() {
808        if (!mOrientationListener.canDetectOrientation()) {
809            // If sensor is turned off or nonexistent for some reason
810            return;
811        }
812        //Could have been invoked due to screen turning on or off or
813        //change of the currently visible window's orientation
814        if (localLOGV) Slog.v(TAG, "mScreenOnEarly=" + mScreenOnEarly
815                + ", mAwake=" + mAwake + ", mCurrentAppOrientation=" + mCurrentAppOrientation
816                + ", mOrientationSensorEnabled=" + mOrientationSensorEnabled);
817        boolean disable = true;
818        if (mScreenOnEarly && mAwake) {
819            if (needSensorRunningLp()) {
820                disable = false;
821                //enable listener if not already enabled
822                if (!mOrientationSensorEnabled) {
823                    mOrientationListener.enable();
824                    if(localLOGV) Slog.v(TAG, "Enabling listeners");
825                    mOrientationSensorEnabled = true;
826                }
827            }
828        }
829        //check if sensors need to be disabled
830        if (disable && mOrientationSensorEnabled) {
831            mOrientationListener.disable();
832            if(localLOGV) Slog.v(TAG, "Disabling listeners");
833            mOrientationSensorEnabled = false;
834        }
835    }
836
837    private void interceptPowerKeyDown(KeyEvent event, boolean interactive) {
838        // Hold a wake lock until the power key is released.
839        if (!mPowerKeyWakeLock.isHeld()) {
840            mPowerKeyWakeLock.acquire();
841        }
842
843        // Cancel multi-press detection timeout.
844        if (mPowerKeyPressCounter != 0) {
845            mHandler.removeMessages(MSG_POWER_DELAYED_PRESS);
846        }
847
848        // Detect user pressing the power button in panic when an application has
849        // taken over the whole screen.
850        boolean panic = mImmersiveModeConfirmation.onPowerKeyDown(interactive,
851                SystemClock.elapsedRealtime(), isImmersiveMode(mLastSystemUiFlags));
852        if (panic) {
853            mHandler.post(mRequestTransientNav);
854        }
855
856        // Latch power key state to detect screenshot chord.
857        if (interactive && !mScreenshotChordPowerKeyTriggered
858                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
859            mScreenshotChordPowerKeyTriggered = true;
860            mScreenshotChordPowerKeyTime = event.getDownTime();
861            interceptScreenshotChord();
862        }
863
864        // Stop ringing or end call if configured to do so when power is pressed.
865        TelecomManager telecomManager = getTelecommService();
866        boolean hungUp = false;
867        if (telecomManager != null) {
868            if (telecomManager.isRinging()) {
869                // Pressing Power while there's a ringing incoming
870                // call should silence the ringer.
871                telecomManager.silenceRinger();
872            } else if ((mIncallPowerBehavior
873                    & Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP) != 0
874                    && telecomManager.isInCall() && interactive) {
875                // Otherwise, if "Power button ends call" is enabled,
876                // the Power button will hang up any current active call.
877                hungUp = telecomManager.endCall();
878            }
879        }
880
881        // If the power key has still not yet been handled, then detect short
882        // press, long press, or multi press and decide what to do.
883        mPowerKeyHandled = hungUp || mScreenshotChordVolumeDownKeyTriggered
884                || mScreenshotChordVolumeUpKeyTriggered;
885        if (!mPowerKeyHandled) {
886            if (interactive) {
887                // When interactive, we're already awake.
888                // Wait for a long press or for the button to be released to decide what to do.
889                if (hasLongPressOnPowerBehavior()) {
890                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
891                    msg.setAsynchronous(true);
892                    mHandler.sendMessageDelayed(msg,
893                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
894                }
895            } else {
896                wakeUpFromPowerKey(event.getDownTime());
897
898                if (mSupportLongPressPowerWhenNonInteractive && hasLongPressOnPowerBehavior()) {
899                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
900                    msg.setAsynchronous(true);
901                    mHandler.sendMessageDelayed(msg,
902                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
903                    mBeganFromNonInteractive = true;
904                } else {
905                    final int maxCount = getMaxMultiPressPowerCount();
906
907                    if (maxCount <= 1) {
908                        mPowerKeyHandled = true;
909                    } else {
910                        mBeganFromNonInteractive = true;
911                    }
912                }
913            }
914        }
915    }
916
917    private void interceptPowerKeyUp(KeyEvent event, boolean interactive, boolean canceled) {
918        final boolean handled = canceled || mPowerKeyHandled;
919        mScreenshotChordPowerKeyTriggered = false;
920        cancelPendingScreenshotChordAction();
921        cancelPendingPowerKeyAction();
922
923        if (!handled) {
924            // Figure out how to handle the key now that it has been released.
925            mPowerKeyPressCounter += 1;
926
927            final int maxCount = getMaxMultiPressPowerCount();
928            final long eventTime = event.getDownTime();
929            if (mPowerKeyPressCounter < maxCount) {
930                // This could be a multi-press.  Wait a little bit longer to confirm.
931                // Continue holding the wake lock.
932                Message msg = mHandler.obtainMessage(MSG_POWER_DELAYED_PRESS,
933                        interactive ? 1 : 0, mPowerKeyPressCounter, eventTime);
934                msg.setAsynchronous(true);
935                mHandler.sendMessageDelayed(msg, ViewConfiguration.getDoubleTapTimeout());
936                return;
937            }
938
939            // No other actions.  Handle it immediately.
940            powerPress(eventTime, interactive, mPowerKeyPressCounter);
941        }
942
943        // Done.  Reset our state.
944        finishPowerKeyPress();
945    }
946
947    private void finishPowerKeyPress() {
948        mBeganFromNonInteractive = false;
949        mPowerKeyPressCounter = 0;
950        if (mPowerKeyWakeLock.isHeld()) {
951            mPowerKeyWakeLock.release();
952        }
953    }
954
955    private void cancelPendingPowerKeyAction() {
956        if (!mPowerKeyHandled) {
957            mPowerKeyHandled = true;
958            mHandler.removeMessages(MSG_POWER_LONG_PRESS);
959        }
960    }
961
962    private void powerPress(long eventTime, boolean interactive, int count) {
963        if (mScreenOnEarly && !mScreenOnFully) {
964            Slog.i(TAG, "Suppressed redundant power key press while "
965                    + "already in the process of turning the screen on.");
966            return;
967        }
968
969        if (count == 2) {
970            powerMultiPressAction(eventTime, interactive, mDoublePressOnPowerBehavior);
971        } else if (count == 3) {
972            powerMultiPressAction(eventTime, interactive, mTriplePressOnPowerBehavior);
973        } else if (interactive && !mBeganFromNonInteractive) {
974            switch (mShortPressOnPowerBehavior) {
975                case SHORT_PRESS_POWER_NOTHING:
976                    break;
977                case SHORT_PRESS_POWER_GO_TO_SLEEP:
978                    mPowerManager.goToSleep(eventTime,
979                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
980                    break;
981                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP:
982                    mPowerManager.goToSleep(eventTime,
983                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
984                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
985                    break;
986                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME:
987                    mPowerManager.goToSleep(eventTime,
988                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
989                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
990                    launchHomeFromHotKey();
991                    break;
992                case SHORT_PRESS_POWER_GO_HOME:
993                    launchHomeFromHotKey();
994                    break;
995            }
996        }
997    }
998
999    private void powerMultiPressAction(long eventTime, boolean interactive, int behavior) {
1000        switch (behavior) {
1001            case MULTI_PRESS_POWER_NOTHING:
1002                break;
1003            case MULTI_PRESS_POWER_THEATER_MODE:
1004                if (isTheaterModeEnabled()) {
1005                    Slog.i(TAG, "Toggling theater mode off.");
1006                    Settings.Global.putInt(mContext.getContentResolver(),
1007                            Settings.Global.THEATER_MODE_ON, 0);
1008                    if (!interactive) {
1009                        wakeUpFromPowerKey(eventTime);
1010                    }
1011                } else {
1012                    Slog.i(TAG, "Toggling theater mode on.");
1013                    Settings.Global.putInt(mContext.getContentResolver(),
1014                            Settings.Global.THEATER_MODE_ON, 1);
1015
1016                    if (mGoToSleepOnButtonPressTheaterMode && interactive) {
1017                        mPowerManager.goToSleep(eventTime,
1018                                PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1019                    }
1020                }
1021                break;
1022            case MULTI_PRESS_POWER_BRIGHTNESS_BOOST:
1023                Slog.i(TAG, "Starting brightness boost.");
1024                if (!interactive) {
1025                    wakeUpFromPowerKey(eventTime);
1026                }
1027                mPowerManager.boostScreenBrightness(eventTime);
1028                break;
1029        }
1030    }
1031
1032    private int getMaxMultiPressPowerCount() {
1033        if (mTriplePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1034            return 3;
1035        }
1036        if (mDoublePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1037            return 2;
1038        }
1039        return 1;
1040    }
1041
1042    private void powerLongPress() {
1043        final int behavior = getResolvedLongPressOnPowerBehavior();
1044        switch (behavior) {
1045        case LONG_PRESS_POWER_NOTHING:
1046            break;
1047        case LONG_PRESS_POWER_GLOBAL_ACTIONS:
1048            mPowerKeyHandled = true;
1049            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1050                performAuditoryFeedbackForAccessibilityIfNeed();
1051            }
1052            showGlobalActionsInternal();
1053            break;
1054        case LONG_PRESS_POWER_SHUT_OFF:
1055        case LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM:
1056            mPowerKeyHandled = true;
1057            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1058            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1059            mWindowManagerFuncs.shutdown(behavior == LONG_PRESS_POWER_SHUT_OFF);
1060            break;
1061        }
1062    }
1063
1064    private void sleepPress(KeyEvent event) {
1065        switch (mShortPressOnSleepBehavior) {
1066            case SHORT_PRESS_SLEEP_GO_TO_SLEEP:
1067                mPowerManager.goToSleep(event.getEventTime(),
1068                        PowerManager.GO_TO_SLEEP_REASON_SLEEP_BUTTON, 0);
1069                break;
1070            case SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME:
1071                launchHomeFromHotKey(false /* awakenDreams */);
1072                mPowerManager.goToSleep(event.getEventTime(),
1073                        PowerManager.GO_TO_SLEEP_REASON_SLEEP_BUTTON, 0);
1074                break;
1075        }
1076    }
1077
1078    private int getResolvedLongPressOnPowerBehavior() {
1079        if (FactoryTest.isLongPressOnPowerOffEnabled()) {
1080            return LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;
1081        }
1082        return mLongPressOnPowerBehavior;
1083    }
1084
1085    private boolean hasLongPressOnPowerBehavior() {
1086        return getResolvedLongPressOnPowerBehavior() != LONG_PRESS_POWER_NOTHING;
1087    }
1088
1089    private void interceptScreenshotChord() {
1090        if (mScreenshotChordEnabled
1091                && mScreenshotChordVolumeDownKeyTriggered && mScreenshotChordPowerKeyTriggered
1092                && !mScreenshotChordVolumeUpKeyTriggered) {
1093            final long now = SystemClock.uptimeMillis();
1094            if (now <= mScreenshotChordVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS
1095                    && now <= mScreenshotChordPowerKeyTime
1096                            + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS) {
1097                mScreenshotChordVolumeDownKeyConsumed = true;
1098                cancelPendingPowerKeyAction();
1099
1100                mHandler.postDelayed(mScreenshotRunnable, getScreenshotChordLongPressDelay());
1101            }
1102        }
1103    }
1104
1105    private long getScreenshotChordLongPressDelay() {
1106        if (mKeyguardDelegate.isShowing()) {
1107            // Double the time it takes to take a screenshot from the keyguard
1108            return (long) (KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER *
1109                    ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1110        }
1111        return ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout();
1112    }
1113
1114    private void cancelPendingScreenshotChordAction() {
1115        mHandler.removeCallbacks(mScreenshotRunnable);
1116    }
1117
1118    private final Runnable mEndCallLongPress = new Runnable() {
1119        @Override
1120        public void run() {
1121            mEndCallKeyHandled = true;
1122            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1123                performAuditoryFeedbackForAccessibilityIfNeed();
1124            }
1125            showGlobalActionsInternal();
1126        }
1127    };
1128
1129    private final Runnable mScreenshotRunnable = new Runnable() {
1130        @Override
1131        public void run() {
1132            takeScreenshot();
1133        }
1134    };
1135
1136    @Override
1137    public void showGlobalActions() {
1138        mHandler.removeMessages(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1139        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1140    }
1141
1142    void showGlobalActionsInternal() {
1143        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1144        if (mGlobalActions == null) {
1145            mGlobalActions = new GlobalActions(mContext, mWindowManagerFuncs);
1146        }
1147        final boolean keyguardShowing = isKeyguardShowingAndNotOccluded();
1148        mGlobalActions.showDialog(keyguardShowing, isDeviceProvisioned());
1149        if (keyguardShowing) {
1150            // since it took two seconds of long press to bring this up,
1151            // poke the wake lock so they have some time to see the dialog.
1152            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
1153        }
1154    }
1155
1156    boolean isDeviceProvisioned() {
1157        return Settings.Global.getInt(
1158                mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0;
1159    }
1160
1161    boolean isUserSetupComplete() {
1162        return Settings.Secure.getIntForUser(mContext.getContentResolver(),
1163                Settings.Secure.USER_SETUP_COMPLETE, 0, UserHandle.USER_CURRENT) != 0;
1164    }
1165
1166    private void handleShortPressOnHome() {
1167        // If there's a dream running then use home to escape the dream
1168        // but don't actually go home.
1169        if (mDreamManagerInternal != null && mDreamManagerInternal.isDreaming()) {
1170            mDreamManagerInternal.stopDream(false /*immediate*/);
1171            return;
1172        }
1173
1174        // Go home!
1175        launchHomeFromHotKey();
1176    }
1177
1178    private void handleLongPressOnHome() {
1179        if (mLongPressOnHomeBehavior != LONG_PRESS_HOME_NOTHING) {
1180            mHomeConsumed = true;
1181            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1182
1183            if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI) {
1184                toggleRecentApps();
1185            } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_ASSIST) {
1186                launchAssistAction();
1187            }
1188        }
1189    }
1190
1191    private void handleDoubleTapOnHome() {
1192        if (mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1193            mHomeConsumed = true;
1194            toggleRecentApps();
1195        }
1196    }
1197
1198    private final Runnable mHomeDoubleTapTimeoutRunnable = new Runnable() {
1199        @Override
1200        public void run() {
1201            if (mHomeDoubleTapPending) {
1202                mHomeDoubleTapPending = false;
1203                handleShortPressOnHome();
1204            }
1205        }
1206    };
1207
1208    private boolean isRoundWindow() {
1209        return mContext.getResources().getBoolean(com.android.internal.R.bool.config_windowIsRound)
1210                || (Build.HARDWARE.contains("goldfish")
1211                && SystemProperties.getBoolean(ViewRootImpl.PROPERTY_EMULATOR_CIRCULAR, false));
1212    }
1213
1214    /** {@inheritDoc} */
1215    @Override
1216    public void init(Context context, IWindowManager windowManager,
1217            WindowManagerFuncs windowManagerFuncs) {
1218        mContext = context;
1219        mWindowManager = windowManager;
1220        mWindowManagerFuncs = windowManagerFuncs;
1221        mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class);
1222        mDreamManagerInternal = LocalServices.getService(DreamManagerInternal.class);
1223
1224        // Init display burn-in protection
1225        boolean burnInProtectionEnabled = context.getResources().getBoolean(
1226                com.android.internal.R.bool.config_enableBurnInProtection);
1227        // Allow a system property to override this. Used by developer settings.
1228        boolean burnInProtectionDevMode =
1229                SystemProperties.getBoolean("persist.debug.force_burn_in", false);
1230        if (burnInProtectionEnabled || burnInProtectionDevMode) {
1231            final int minHorizontal;
1232            final int maxHorizontal;
1233            final int minVertical;
1234            final int maxVertical;
1235            final int maxRadius;
1236            if (burnInProtectionDevMode) {
1237                minHorizontal = -8;
1238                maxHorizontal = 8;
1239                minVertical = -8;
1240                maxVertical = -4;
1241                maxRadius = (isRoundWindow()) ? 6 : -1;
1242            } else {
1243                Resources resources = context.getResources();
1244                minHorizontal = resources.getInteger(
1245                        com.android.internal.R.integer.config_burnInProtectionMinHorizontalOffset);
1246                maxHorizontal = resources.getInteger(
1247                        com.android.internal.R.integer.config_burnInProtectionMaxHorizontalOffset);
1248                minVertical = resources.getInteger(
1249                        com.android.internal.R.integer.config_burnInProtectionMinVerticalOffset);
1250                maxVertical = resources.getInteger(
1251                        com.android.internal.R.integer.config_burnInProtectionMaxVerticalOffset);
1252                maxRadius = resources.getInteger(
1253                        com.android.internal.R.integer.config_burnInProtectionMaxRadius);
1254            }
1255            mBurnInProtectionHelper = new BurnInProtectionHelper(
1256                    context, minHorizontal, maxHorizontal, minVertical, maxVertical, maxRadius);
1257        }
1258
1259        mHandler = new PolicyHandler();
1260        mWakeGestureListener = new MyWakeGestureListener(mContext, mHandler);
1261        mOrientationListener = new MyOrientationListener(mContext, mHandler);
1262        try {
1263            mOrientationListener.setCurrentRotation(windowManager.getRotation());
1264        } catch (RemoteException ex) { }
1265        mSettingsObserver = new SettingsObserver(mHandler);
1266        mSettingsObserver.observe();
1267        mShortcutManager = new ShortcutManager(context);
1268        mUiMode = context.getResources().getInteger(
1269                com.android.internal.R.integer.config_defaultUiModeType);
1270        mHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
1271        mHomeIntent.addCategory(Intent.CATEGORY_HOME);
1272        mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1273                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1274        mCarDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1275        mCarDockIntent.addCategory(Intent.CATEGORY_CAR_DOCK);
1276        mCarDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1277                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1278        mDeskDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1279        mDeskDockIntent.addCategory(Intent.CATEGORY_DESK_DOCK);
1280        mDeskDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1281                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1282
1283        mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
1284        mBroadcastWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1285                "PhoneWindowManager.mBroadcastWakeLock");
1286        mPowerKeyWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1287                "PhoneWindowManager.mPowerKeyWakeLock");
1288        mEnableShiftMenuBugReports = "1".equals(SystemProperties.get("ro.debuggable"));
1289        mSupportAutoRotation = mContext.getResources().getBoolean(
1290                com.android.internal.R.bool.config_supportAutoRotation);
1291        mLidOpenRotation = readRotation(
1292                com.android.internal.R.integer.config_lidOpenRotation);
1293        mCarDockRotation = readRotation(
1294                com.android.internal.R.integer.config_carDockRotation);
1295        mDeskDockRotation = readRotation(
1296                com.android.internal.R.integer.config_deskDockRotation);
1297        mUndockedHdmiRotation = readRotation(
1298                com.android.internal.R.integer.config_undockedHdmiRotation);
1299        mCarDockEnablesAccelerometer = mContext.getResources().getBoolean(
1300                com.android.internal.R.bool.config_carDockEnablesAccelerometer);
1301        mDeskDockEnablesAccelerometer = mContext.getResources().getBoolean(
1302                com.android.internal.R.bool.config_deskDockEnablesAccelerometer);
1303        mLidKeyboardAccessibility = mContext.getResources().getInteger(
1304                com.android.internal.R.integer.config_lidKeyboardAccessibility);
1305        mLidNavigationAccessibility = mContext.getResources().getInteger(
1306                com.android.internal.R.integer.config_lidNavigationAccessibility);
1307        mLidControlsSleep = mContext.getResources().getBoolean(
1308                com.android.internal.R.bool.config_lidControlsSleep);
1309        mTranslucentDecorEnabled = mContext.getResources().getBoolean(
1310                com.android.internal.R.bool.config_enableTranslucentDecor);
1311
1312        mAllowTheaterModeWakeFromKey = mContext.getResources().getBoolean(
1313                com.android.internal.R.bool.config_allowTheaterModeWakeFromKey);
1314        mAllowTheaterModeWakeFromPowerKey = mAllowTheaterModeWakeFromKey
1315                || mContext.getResources().getBoolean(
1316                    com.android.internal.R.bool.config_allowTheaterModeWakeFromPowerKey);
1317        mAllowTheaterModeWakeFromMotion = mContext.getResources().getBoolean(
1318                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotion);
1319        mAllowTheaterModeWakeFromMotionWhenNotDreaming = mContext.getResources().getBoolean(
1320                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotionWhenNotDreaming);
1321        mAllowTheaterModeWakeFromCameraLens = mContext.getResources().getBoolean(
1322                com.android.internal.R.bool.config_allowTheaterModeWakeFromCameraLens);
1323        mAllowTheaterModeWakeFromLidSwitch = mContext.getResources().getBoolean(
1324                com.android.internal.R.bool.config_allowTheaterModeWakeFromLidSwitch);
1325        mAllowTheaterModeWakeFromWakeGesture = mContext.getResources().getBoolean(
1326                com.android.internal.R.bool.config_allowTheaterModeWakeFromGesture);
1327
1328        mGoToSleepOnButtonPressTheaterMode = mContext.getResources().getBoolean(
1329                com.android.internal.R.bool.config_goToSleepOnButtonPressTheaterMode);
1330
1331        mSupportLongPressPowerWhenNonInteractive = mContext.getResources().getBoolean(
1332                com.android.internal.R.bool.config_supportLongPressPowerWhenNonInteractive);
1333
1334        mShortPressOnPowerBehavior = mContext.getResources().getInteger(
1335                com.android.internal.R.integer.config_shortPressOnPowerBehavior);
1336        mLongPressOnPowerBehavior = mContext.getResources().getInteger(
1337                com.android.internal.R.integer.config_longPressOnPowerBehavior);
1338        mDoublePressOnPowerBehavior = mContext.getResources().getInteger(
1339                com.android.internal.R.integer.config_doublePressOnPowerBehavior);
1340        mTriplePressOnPowerBehavior = mContext.getResources().getInteger(
1341                com.android.internal.R.integer.config_triplePressOnPowerBehavior);
1342        mShortPressOnSleepBehavior = mContext.getResources().getInteger(
1343                com.android.internal.R.integer.config_shortPressOnSleepBehavior);
1344
1345        mUseTvRouting = AudioSystem.getPlatformType(mContext) == AudioSystem.PLATFORM_TELEVISION;
1346
1347        readConfigurationDependentBehaviors();
1348
1349        mAccessibilityManager = (AccessibilityManager) context.getSystemService(
1350                Context.ACCESSIBILITY_SERVICE);
1351
1352        // register for dock events
1353        IntentFilter filter = new IntentFilter();
1354        filter.addAction(UiModeManager.ACTION_ENTER_CAR_MODE);
1355        filter.addAction(UiModeManager.ACTION_EXIT_CAR_MODE);
1356        filter.addAction(UiModeManager.ACTION_ENTER_DESK_MODE);
1357        filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
1358        filter.addAction(Intent.ACTION_DOCK_EVENT);
1359        Intent intent = context.registerReceiver(mDockReceiver, filter);
1360        if (intent != null) {
1361            // Retrieve current sticky dock event broadcast.
1362            mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
1363                    Intent.EXTRA_DOCK_STATE_UNDOCKED);
1364        }
1365
1366        // register for dream-related broadcasts
1367        filter = new IntentFilter();
1368        filter.addAction(Intent.ACTION_DREAMING_STARTED);
1369        filter.addAction(Intent.ACTION_DREAMING_STOPPED);
1370        context.registerReceiver(mDreamReceiver, filter);
1371
1372        // register for multiuser-relevant broadcasts
1373        filter = new IntentFilter(Intent.ACTION_USER_SWITCHED);
1374        context.registerReceiver(mMultiuserReceiver, filter);
1375
1376        // monitor for system gestures
1377        mSystemGestures = new SystemGesturesPointerEventListener(context,
1378                new SystemGesturesPointerEventListener.Callbacks() {
1379                    @Override
1380                    public void onSwipeFromTop() {
1381                        if (mStatusBar != null) {
1382                            requestTransientBars(mStatusBar);
1383                        }
1384                    }
1385                    @Override
1386                    public void onSwipeFromBottom() {
1387                        if (mNavigationBar != null && mNavigationBarOnBottom) {
1388                            requestTransientBars(mNavigationBar);
1389                        }
1390                    }
1391                    @Override
1392                    public void onSwipeFromRight() {
1393                        if (mNavigationBar != null && !mNavigationBarOnBottom) {
1394                            requestTransientBars(mNavigationBar);
1395                        }
1396                    }
1397                    @Override
1398                    public void onDebug() {
1399                        // no-op
1400                    }
1401                });
1402        mImmersiveModeConfirmation = new ImmersiveModeConfirmation(mContext);
1403        mWindowManagerFuncs.registerPointerEventListener(mSystemGestures);
1404
1405        mVibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE);
1406        mLongPressVibePattern = getLongIntArray(mContext.getResources(),
1407                com.android.internal.R.array.config_longPressVibePattern);
1408        mVirtualKeyVibePattern = getLongIntArray(mContext.getResources(),
1409                com.android.internal.R.array.config_virtualKeyVibePattern);
1410        mKeyboardTapVibePattern = getLongIntArray(mContext.getResources(),
1411                com.android.internal.R.array.config_keyboardTapVibePattern);
1412        mClockTickVibePattern = getLongIntArray(mContext.getResources(),
1413                com.android.internal.R.array.config_clockTickVibePattern);
1414        mCalendarDateVibePattern = getLongIntArray(mContext.getResources(),
1415                com.android.internal.R.array.config_calendarDateVibePattern);
1416        mSafeModeDisabledVibePattern = getLongIntArray(mContext.getResources(),
1417                com.android.internal.R.array.config_safeModeDisabledVibePattern);
1418        mSafeModeEnabledVibePattern = getLongIntArray(mContext.getResources(),
1419                com.android.internal.R.array.config_safeModeEnabledVibePattern);
1420
1421        mScreenshotChordEnabled = mContext.getResources().getBoolean(
1422                com.android.internal.R.bool.config_enableScreenshotChord);
1423
1424        mGlobalKeyManager = new GlobalKeyManager(mContext);
1425
1426        // Controls rotation and the like.
1427        initializeHdmiState();
1428
1429        // Match current screen state.
1430        if (!mPowerManager.isInteractive()) {
1431            goingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1432        }
1433
1434        mWindowManagerInternal.registerAppTransitionListener(
1435                mStatusBarController.getAppTransitionListener());
1436    }
1437
1438    /**
1439     * Read values from config.xml that may be overridden depending on
1440     * the configuration of the device.
1441     * eg. Disable long press on home goes to recents on sw600dp.
1442     */
1443    private void readConfigurationDependentBehaviors() {
1444        mLongPressOnHomeBehavior = mContext.getResources().getInteger(
1445                com.android.internal.R.integer.config_longPressOnHomeBehavior);
1446        if (mLongPressOnHomeBehavior < LONG_PRESS_HOME_NOTHING ||
1447                mLongPressOnHomeBehavior > LONG_PRESS_HOME_ASSIST) {
1448            mLongPressOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1449        }
1450
1451        mDoubleTapOnHomeBehavior = mContext.getResources().getInteger(
1452                com.android.internal.R.integer.config_doubleTapOnHomeBehavior);
1453        if (mDoubleTapOnHomeBehavior < DOUBLE_TAP_HOME_NOTHING ||
1454                mDoubleTapOnHomeBehavior > DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1455            mDoubleTapOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1456        }
1457    }
1458
1459    @Override
1460    public void setInitialDisplaySize(Display display, int width, int height, int density) {
1461        // This method might be called before the policy has been fully initialized
1462        // or for other displays we don't care about.
1463        if (mContext == null || display.getDisplayId() != Display.DEFAULT_DISPLAY) {
1464            return;
1465        }
1466        mDisplay = display;
1467
1468        final Resources res = mContext.getResources();
1469        int shortSize, longSize;
1470        if (width > height) {
1471            shortSize = height;
1472            longSize = width;
1473            mLandscapeRotation = Surface.ROTATION_0;
1474            mSeascapeRotation = Surface.ROTATION_180;
1475            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1476                mPortraitRotation = Surface.ROTATION_90;
1477                mUpsideDownRotation = Surface.ROTATION_270;
1478            } else {
1479                mPortraitRotation = Surface.ROTATION_270;
1480                mUpsideDownRotation = Surface.ROTATION_90;
1481            }
1482        } else {
1483            shortSize = width;
1484            longSize = height;
1485            mPortraitRotation = Surface.ROTATION_0;
1486            mUpsideDownRotation = Surface.ROTATION_180;
1487            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1488                mLandscapeRotation = Surface.ROTATION_270;
1489                mSeascapeRotation = Surface.ROTATION_90;
1490            } else {
1491                mLandscapeRotation = Surface.ROTATION_90;
1492                mSeascapeRotation = Surface.ROTATION_270;
1493            }
1494        }
1495
1496        mStatusBarHeight =
1497                res.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
1498
1499        // Height of the navigation bar when presented horizontally at bottom
1500        mNavigationBarHeightForRotation[mPortraitRotation] =
1501        mNavigationBarHeightForRotation[mUpsideDownRotation] =
1502                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_height);
1503        mNavigationBarHeightForRotation[mLandscapeRotation] =
1504        mNavigationBarHeightForRotation[mSeascapeRotation] = res.getDimensionPixelSize(
1505                com.android.internal.R.dimen.navigation_bar_height_landscape);
1506
1507        // Width of the navigation bar when presented vertically along one side
1508        mNavigationBarWidthForRotation[mPortraitRotation] =
1509        mNavigationBarWidthForRotation[mUpsideDownRotation] =
1510        mNavigationBarWidthForRotation[mLandscapeRotation] =
1511        mNavigationBarWidthForRotation[mSeascapeRotation] =
1512                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_width);
1513
1514        // SystemUI (status bar) layout policy
1515        int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT / density;
1516        int longSizeDp = longSize * DisplayMetrics.DENSITY_DEFAULT / density;
1517
1518        // Allow the navigation bar to move on non-square small devices (phones).
1519        mNavigationBarCanMove = width != height && shortSizeDp < 600;
1520
1521        mHasNavigationBar = res.getBoolean(com.android.internal.R.bool.config_showNavigationBar);
1522        // Allow a system property to override this. Used by the emulator.
1523        // See also hasNavigationBar().
1524        String navBarOverride = SystemProperties.get("qemu.hw.mainkeys");
1525        if ("1".equals(navBarOverride)) {
1526            mHasNavigationBar = false;
1527        } else if ("0".equals(navBarOverride)) {
1528            mHasNavigationBar = true;
1529        }
1530
1531        // For demo purposes, allow the rotation of the HDMI display to be controlled.
1532        // By default, HDMI locks rotation to landscape.
1533        if ("portrait".equals(SystemProperties.get("persist.demo.hdmirotation"))) {
1534            mDemoHdmiRotation = mPortraitRotation;
1535        } else {
1536            mDemoHdmiRotation = mLandscapeRotation;
1537        }
1538        mDemoHdmiRotationLock = SystemProperties.getBoolean("persist.demo.hdmirotationlock", false);
1539
1540        // For demo purposes, allow the rotation of the remote display to be controlled.
1541        // By default, remote display locks rotation to landscape.
1542        if ("portrait".equals(SystemProperties.get("persist.demo.remoterotation"))) {
1543            mDemoRotation = mPortraitRotation;
1544        } else {
1545            mDemoRotation = mLandscapeRotation;
1546        }
1547        mDemoRotationLock = SystemProperties.getBoolean(
1548                "persist.demo.rotationlock", false);
1549
1550        // Only force the default orientation if the screen is xlarge, at least 960dp x 720dp, per
1551        // http://developer.android.com/guide/practices/screens_support.html#range
1552        mForceDefaultOrientation = longSizeDp >= 960 && shortSizeDp >= 720 &&
1553                res.getBoolean(com.android.internal.R.bool.config_forceDefaultOrientation) &&
1554                // For debug purposes the next line turns this feature off with:
1555                // $ adb shell setprop config.override_forced_orient true
1556                // $ adb shell wm size reset
1557                !"true".equals(SystemProperties.get("config.override_forced_orient"));
1558    }
1559
1560    /**
1561     * @return whether the navigation bar can be hidden, e.g. the device has a
1562     *         navigation bar and touch exploration is not enabled
1563     */
1564    private boolean canHideNavigationBar() {
1565        return mHasNavigationBar
1566                && !mAccessibilityManager.isTouchExplorationEnabled();
1567    }
1568
1569    @Override
1570    public boolean isDefaultOrientationForced() {
1571        return mForceDefaultOrientation;
1572    }
1573
1574    @Override
1575    public void setDisplayOverscan(Display display, int left, int top, int right, int bottom) {
1576        if (display.getDisplayId() == Display.DEFAULT_DISPLAY) {
1577            mOverscanLeft = left;
1578            mOverscanTop = top;
1579            mOverscanRight = right;
1580            mOverscanBottom = bottom;
1581        }
1582    }
1583
1584    public void updateSettings() {
1585        ContentResolver resolver = mContext.getContentResolver();
1586        boolean updateRotation = false;
1587        synchronized (mLock) {
1588            mEndcallBehavior = Settings.System.getIntForUser(resolver,
1589                    Settings.System.END_BUTTON_BEHAVIOR,
1590                    Settings.System.END_BUTTON_BEHAVIOR_DEFAULT,
1591                    UserHandle.USER_CURRENT);
1592            mIncallPowerBehavior = Settings.Secure.getIntForUser(resolver,
1593                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
1594                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT,
1595                    UserHandle.USER_CURRENT);
1596
1597            // Configure wake gesture.
1598            boolean wakeGestureEnabledSetting = Settings.Secure.getIntForUser(resolver,
1599                    Settings.Secure.WAKE_GESTURE_ENABLED, 0,
1600                    UserHandle.USER_CURRENT) != 0;
1601            if (mWakeGestureEnabledSetting != wakeGestureEnabledSetting) {
1602                mWakeGestureEnabledSetting = wakeGestureEnabledSetting;
1603                updateWakeGestureListenerLp();
1604            }
1605
1606            // Configure rotation lock.
1607            int userRotation = Settings.System.getIntForUser(resolver,
1608                    Settings.System.USER_ROTATION, Surface.ROTATION_0,
1609                    UserHandle.USER_CURRENT);
1610            if (mUserRotation != userRotation) {
1611                mUserRotation = userRotation;
1612                updateRotation = true;
1613            }
1614            int userRotationMode = Settings.System.getIntForUser(resolver,
1615                    Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
1616                            WindowManagerPolicy.USER_ROTATION_FREE :
1617                                    WindowManagerPolicy.USER_ROTATION_LOCKED;
1618            if (mUserRotationMode != userRotationMode) {
1619                mUserRotationMode = userRotationMode;
1620                updateRotation = true;
1621                updateOrientationListenerLp();
1622            }
1623
1624            if (mSystemReady) {
1625                int pointerLocation = Settings.System.getIntForUser(resolver,
1626                        Settings.System.POINTER_LOCATION, 0, UserHandle.USER_CURRENT);
1627                if (mPointerLocationMode != pointerLocation) {
1628                    mPointerLocationMode = pointerLocation;
1629                    mHandler.sendEmptyMessage(pointerLocation != 0 ?
1630                            MSG_ENABLE_POINTER_LOCATION : MSG_DISABLE_POINTER_LOCATION);
1631                }
1632            }
1633            // use screen off timeout setting as the timeout for the lockscreen
1634            mLockScreenTimeout = Settings.System.getIntForUser(resolver,
1635                    Settings.System.SCREEN_OFF_TIMEOUT, 0, UserHandle.USER_CURRENT);
1636            String imId = Settings.Secure.getStringForUser(resolver,
1637                    Settings.Secure.DEFAULT_INPUT_METHOD, UserHandle.USER_CURRENT);
1638            boolean hasSoftInput = imId != null && imId.length() > 0;
1639            if (mHasSoftInput != hasSoftInput) {
1640                mHasSoftInput = hasSoftInput;
1641                updateRotation = true;
1642            }
1643            if (mImmersiveModeConfirmation != null) {
1644                mImmersiveModeConfirmation.loadSetting(mCurrentUserId);
1645            }
1646            PolicyControl.reloadFromSetting(mContext);
1647        }
1648        if (updateRotation) {
1649            updateRotation(true);
1650        }
1651    }
1652
1653    private void updateWakeGestureListenerLp() {
1654        if (shouldEnableWakeGestureLp()) {
1655            mWakeGestureListener.requestWakeUpTrigger();
1656        } else {
1657            mWakeGestureListener.cancelWakeUpTrigger();
1658        }
1659    }
1660
1661    private boolean shouldEnableWakeGestureLp() {
1662        return mWakeGestureEnabledSetting && !mAwake
1663                && (!mLidControlsSleep || mLidState != LID_CLOSED)
1664                && mWakeGestureListener.isSupported();
1665    }
1666
1667    private void enablePointerLocation() {
1668        if (mPointerLocationView == null) {
1669            mPointerLocationView = new PointerLocationView(mContext);
1670            mPointerLocationView.setPrintCoords(false);
1671            WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
1672                    WindowManager.LayoutParams.MATCH_PARENT,
1673                    WindowManager.LayoutParams.MATCH_PARENT);
1674            lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
1675            lp.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN
1676                    | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
1677                    | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
1678                    | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
1679            if (ActivityManager.isHighEndGfx()) {
1680                lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
1681                lp.privateFlags |=
1682                        WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED;
1683            }
1684            lp.format = PixelFormat.TRANSLUCENT;
1685            lp.setTitle("PointerLocation");
1686            WindowManager wm = (WindowManager)
1687                    mContext.getSystemService(Context.WINDOW_SERVICE);
1688            lp.inputFeatures |= WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL;
1689            wm.addView(mPointerLocationView, lp);
1690            mWindowManagerFuncs.registerPointerEventListener(mPointerLocationView);
1691        }
1692    }
1693
1694    private void disablePointerLocation() {
1695        if (mPointerLocationView != null) {
1696            mWindowManagerFuncs.unregisterPointerEventListener(mPointerLocationView);
1697            WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
1698            wm.removeView(mPointerLocationView);
1699            mPointerLocationView = null;
1700        }
1701    }
1702
1703    private int readRotation(int resID) {
1704        try {
1705            int rotation = mContext.getResources().getInteger(resID);
1706            switch (rotation) {
1707                case 0:
1708                    return Surface.ROTATION_0;
1709                case 90:
1710                    return Surface.ROTATION_90;
1711                case 180:
1712                    return Surface.ROTATION_180;
1713                case 270:
1714                    return Surface.ROTATION_270;
1715            }
1716        } catch (Resources.NotFoundException e) {
1717            // fall through
1718        }
1719        return -1;
1720    }
1721
1722    /** {@inheritDoc} */
1723    @Override
1724    public int checkAddPermission(WindowManager.LayoutParams attrs, int[] outAppOp) {
1725        int type = attrs.type;
1726
1727        outAppOp[0] = AppOpsManager.OP_NONE;
1728
1729        if (!((type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW)
1730                || (type >= FIRST_SUB_WINDOW && type <= LAST_SUB_WINDOW)
1731                || (type >= FIRST_SYSTEM_WINDOW && type <= LAST_SYSTEM_WINDOW))) {
1732            return WindowManagerGlobal.ADD_INVALID_TYPE;
1733        }
1734
1735        if (type < FIRST_SYSTEM_WINDOW || type > LAST_SYSTEM_WINDOW) {
1736            // Window manager will make sure these are okay.
1737            return WindowManagerGlobal.ADD_OKAY;
1738        }
1739        String permission = null;
1740        switch (type) {
1741            case TYPE_TOAST:
1742                // XXX right now the app process has complete control over
1743                // this...  should introduce a token to let the system
1744                // monitor/control what they are doing.
1745                outAppOp[0] = AppOpsManager.OP_TOAST_WINDOW;
1746                break;
1747            case TYPE_DREAM:
1748            case TYPE_INPUT_METHOD:
1749            case TYPE_WALLPAPER:
1750            case TYPE_PRIVATE_PRESENTATION:
1751            case TYPE_VOICE_INTERACTION:
1752            case TYPE_ACCESSIBILITY_OVERLAY:
1753                // The window manager will check these.
1754                break;
1755            case TYPE_PHONE:
1756            case TYPE_PRIORITY_PHONE:
1757            case TYPE_SYSTEM_ALERT:
1758            case TYPE_SYSTEM_ERROR:
1759            case TYPE_SYSTEM_OVERLAY:
1760                permission = android.Manifest.permission.SYSTEM_ALERT_WINDOW;
1761                outAppOp[0] = AppOpsManager.OP_SYSTEM_ALERT_WINDOW;
1762                break;
1763            default:
1764                permission = android.Manifest.permission.INTERNAL_SYSTEM_WINDOW;
1765        }
1766        if (permission != null) {
1767            if (mContext.checkCallingOrSelfPermission(permission)
1768                    != PackageManager.PERMISSION_GRANTED) {
1769                return WindowManagerGlobal.ADD_PERMISSION_DENIED;
1770            }
1771        }
1772        return WindowManagerGlobal.ADD_OKAY;
1773    }
1774
1775    @Override
1776    public boolean checkShowToOwnerOnly(WindowManager.LayoutParams attrs) {
1777
1778        // If this switch statement is modified, modify the comment in the declarations of
1779        // the type in {@link WindowManager.LayoutParams} as well.
1780        switch (attrs.type) {
1781            default:
1782                // These are the windows that by default are shown only to the user that created
1783                // them. If this needs to be overridden, set
1784                // {@link WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS} in
1785                // {@link WindowManager.LayoutParams}. Note that permission
1786                // {@link android.Manifest.permission.INTERNAL_SYSTEM_WINDOW} is required as well.
1787                if ((attrs.privateFlags & PRIVATE_FLAG_SHOW_FOR_ALL_USERS) == 0) {
1788                    return true;
1789                }
1790                break;
1791
1792            // These are the windows that by default are shown to all users. However, to
1793            // protect against spoofing, check permissions below.
1794            case TYPE_APPLICATION_STARTING:
1795            case TYPE_BOOT_PROGRESS:
1796            case TYPE_DISPLAY_OVERLAY:
1797            case TYPE_HIDDEN_NAV_CONSUMER:
1798            case TYPE_KEYGUARD_SCRIM:
1799            case TYPE_KEYGUARD_DIALOG:
1800            case TYPE_MAGNIFICATION_OVERLAY:
1801            case TYPE_NAVIGATION_BAR:
1802            case TYPE_NAVIGATION_BAR_PANEL:
1803            case TYPE_PHONE:
1804            case TYPE_POINTER:
1805            case TYPE_PRIORITY_PHONE:
1806            case TYPE_SEARCH_BAR:
1807            case TYPE_STATUS_BAR:
1808            case TYPE_STATUS_BAR_PANEL:
1809            case TYPE_STATUS_BAR_SUB_PANEL:
1810            case TYPE_SYSTEM_DIALOG:
1811            case TYPE_VOLUME_OVERLAY:
1812            case TYPE_PRIVATE_PRESENTATION:
1813                break;
1814        }
1815
1816        // Check if third party app has set window to system window type.
1817        return mContext.checkCallingOrSelfPermission(
1818                android.Manifest.permission.INTERNAL_SYSTEM_WINDOW)
1819                        != PackageManager.PERMISSION_GRANTED;
1820    }
1821
1822    @Override
1823    public void adjustWindowParamsLw(WindowManager.LayoutParams attrs) {
1824        switch (attrs.type) {
1825            case TYPE_SYSTEM_OVERLAY:
1826            case TYPE_SECURE_SYSTEM_OVERLAY:
1827                // These types of windows can't receive input events.
1828                attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
1829                        | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
1830                attrs.flags &= ~WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
1831                break;
1832            case TYPE_STATUS_BAR:
1833
1834                // If the Keyguard is in a hidden state (occluded by another window), we force to
1835                // remove the wallpaper and keyguard flag so that any change in-flight after setting
1836                // the keyguard as occluded wouldn't set these flags again.
1837                // See {@link #processKeyguardSetHiddenResultLw}.
1838                if (mKeyguardHidden) {
1839                    attrs.flags &= ~WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
1840                    attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
1841                }
1842                break;
1843        }
1844
1845        if (attrs.type != TYPE_STATUS_BAR) {
1846            // The status bar is the only window allowed to exhibit keyguard behavior.
1847            attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
1848        }
1849
1850        if (ActivityManager.isHighEndGfx()
1851                && (attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0) {
1852            attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
1853                    | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
1854        }
1855    }
1856
1857    void readLidState() {
1858        mLidState = mWindowManagerFuncs.getLidState();
1859    }
1860
1861    private void readCameraLensCoverState() {
1862        mCameraLensCoverState = mWindowManagerFuncs.getCameraLensCoverState();
1863    }
1864
1865    private boolean isHidden(int accessibilityMode) {
1866        switch (accessibilityMode) {
1867            case 1:
1868                return mLidState == LID_CLOSED;
1869            case 2:
1870                return mLidState == LID_OPEN;
1871            default:
1872                return false;
1873        }
1874    }
1875
1876    /** {@inheritDoc} */
1877    @Override
1878    public void adjustConfigurationLw(Configuration config, int keyboardPresence,
1879            int navigationPresence) {
1880        mHaveBuiltInKeyboard = (keyboardPresence & PRESENCE_INTERNAL) != 0;
1881
1882        readConfigurationDependentBehaviors();
1883        readLidState();
1884        applyLidSwitchState();
1885
1886        if (config.keyboard == Configuration.KEYBOARD_NOKEYS
1887                || (keyboardPresence == PRESENCE_INTERNAL
1888                        && isHidden(mLidKeyboardAccessibility))) {
1889            config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_YES;
1890            if (!mHasSoftInput) {
1891                config.keyboardHidden = Configuration.KEYBOARDHIDDEN_YES;
1892            }
1893        }
1894
1895        if (config.navigation == Configuration.NAVIGATION_NONAV
1896                || (navigationPresence == PRESENCE_INTERNAL
1897                        && isHidden(mLidNavigationAccessibility))) {
1898            config.navigationHidden = Configuration.NAVIGATIONHIDDEN_YES;
1899        }
1900    }
1901
1902    /** {@inheritDoc} */
1903    @Override
1904    public int windowTypeToLayerLw(int type) {
1905        if (type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW) {
1906            return 2;
1907        }
1908        switch (type) {
1909        case TYPE_PRIVATE_PRESENTATION:
1910            return 2;
1911        case TYPE_WALLPAPER:
1912            // wallpaper is at the bottom, though the window manager may move it.
1913            return 2;
1914        case TYPE_PHONE:
1915            return 3;
1916        case TYPE_SEARCH_BAR:
1917            return 4;
1918        case TYPE_VOICE_INTERACTION:
1919            // voice interaction layer is almost immediately above apps.
1920            return 5;
1921        case TYPE_SYSTEM_DIALOG:
1922            return 6;
1923        case TYPE_TOAST:
1924            // toasts and the plugged-in battery thing
1925            return 7;
1926        case TYPE_PRIORITY_PHONE:
1927            // SIM errors and unlock.  Not sure if this really should be in a high layer.
1928            return 8;
1929        case TYPE_DREAM:
1930            // used for Dreams (screensavers with TYPE_DREAM windows)
1931            return 9;
1932        case TYPE_SYSTEM_ALERT:
1933            // like the ANR / app crashed dialogs
1934            return 10;
1935        case TYPE_INPUT_METHOD:
1936            // on-screen keyboards and other such input method user interfaces go here.
1937            return 11;
1938        case TYPE_INPUT_METHOD_DIALOG:
1939            // on-screen keyboards and other such input method user interfaces go here.
1940            return 12;
1941        case TYPE_KEYGUARD_SCRIM:
1942            // the safety window that shows behind keyguard while keyguard is starting
1943            return 13;
1944        case TYPE_STATUS_BAR_SUB_PANEL:
1945            return 14;
1946        case TYPE_STATUS_BAR:
1947            return 15;
1948        case TYPE_STATUS_BAR_PANEL:
1949            return 16;
1950        case TYPE_KEYGUARD_DIALOG:
1951            return 17;
1952        case TYPE_VOLUME_OVERLAY:
1953            // the on-screen volume indicator and controller shown when the user
1954            // changes the device volume
1955            return 18;
1956        case TYPE_SYSTEM_OVERLAY:
1957            // the on-screen volume indicator and controller shown when the user
1958            // changes the device volume
1959            return 19;
1960        case TYPE_NAVIGATION_BAR:
1961            // the navigation bar, if available, shows atop most things
1962            return 20;
1963        case TYPE_NAVIGATION_BAR_PANEL:
1964            // some panels (e.g. search) need to show on top of the navigation bar
1965            return 21;
1966        case TYPE_SYSTEM_ERROR:
1967            // system-level error dialogs
1968            return 22;
1969        case TYPE_MAGNIFICATION_OVERLAY:
1970            // used to highlight the magnified portion of a display
1971            return 23;
1972        case TYPE_DISPLAY_OVERLAY:
1973            // used to simulate secondary display devices
1974            return 24;
1975        case TYPE_DRAG:
1976            // the drag layer: input for drag-and-drop is associated with this window,
1977            // which sits above all other focusable windows
1978            return 25;
1979        case TYPE_ACCESSIBILITY_OVERLAY:
1980            // overlay put by accessibility services to intercept user interaction
1981            return 26;
1982        case TYPE_SECURE_SYSTEM_OVERLAY:
1983            return 27;
1984        case TYPE_BOOT_PROGRESS:
1985            return 28;
1986        case TYPE_POINTER:
1987            // the (mouse) pointer layer
1988            return 29;
1989        case TYPE_HIDDEN_NAV_CONSUMER:
1990            return 30;
1991        }
1992        Log.e(TAG, "Unknown window type: " + type);
1993        return 2;
1994    }
1995
1996    /** {@inheritDoc} */
1997    @Override
1998    public int subWindowTypeToLayerLw(int type) {
1999        switch (type) {
2000        case TYPE_APPLICATION_PANEL:
2001        case TYPE_APPLICATION_ATTACHED_DIALOG:
2002            return APPLICATION_PANEL_SUBLAYER;
2003        case TYPE_APPLICATION_MEDIA:
2004            return APPLICATION_MEDIA_SUBLAYER;
2005        case TYPE_APPLICATION_MEDIA_OVERLAY:
2006            return APPLICATION_MEDIA_OVERLAY_SUBLAYER;
2007        case TYPE_APPLICATION_SUB_PANEL:
2008            return APPLICATION_SUB_PANEL_SUBLAYER;
2009        }
2010        Log.e(TAG, "Unknown sub-window type: " + type);
2011        return 0;
2012    }
2013
2014    @Override
2015    public int getMaxWallpaperLayer() {
2016        return windowTypeToLayerLw(TYPE_STATUS_BAR);
2017    }
2018
2019    @Override
2020    public int getNonDecorDisplayWidth(int fullWidth, int fullHeight, int rotation) {
2021        if (mHasNavigationBar) {
2022            // For a basic navigation bar, when we are in landscape mode we place
2023            // the navigation bar to the side.
2024            if (mNavigationBarCanMove && fullWidth > fullHeight) {
2025                return fullWidth - mNavigationBarWidthForRotation[rotation];
2026            }
2027        }
2028        return fullWidth;
2029    }
2030
2031    @Override
2032    public int getNonDecorDisplayHeight(int fullWidth, int fullHeight, int rotation) {
2033        if (mHasNavigationBar) {
2034            // For a basic navigation bar, when we are in portrait mode we place
2035            // the navigation bar to the bottom.
2036            if (!mNavigationBarCanMove || fullWidth < fullHeight) {
2037                return fullHeight - mNavigationBarHeightForRotation[rotation];
2038            }
2039        }
2040        return fullHeight;
2041    }
2042
2043    @Override
2044    public int getConfigDisplayWidth(int fullWidth, int fullHeight, int rotation) {
2045        return getNonDecorDisplayWidth(fullWidth, fullHeight, rotation);
2046    }
2047
2048    @Override
2049    public int getConfigDisplayHeight(int fullWidth, int fullHeight, int rotation) {
2050        // There is a separate status bar at the top of the display.  We don't count that as part
2051        // of the fixed decor, since it can hide; however, for purposes of configurations,
2052        // we do want to exclude it since applications can't generally use that part
2053        // of the screen.
2054        return getNonDecorDisplayHeight(fullWidth, fullHeight, rotation) - mStatusBarHeight;
2055    }
2056
2057    @Override
2058    public boolean isForceHiding(WindowManager.LayoutParams attrs) {
2059        return (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 ||
2060                (isKeyguardHostWindow(attrs) &&
2061                        (mKeyguardDelegate != null && mKeyguardDelegate.isShowing())) ||
2062                (attrs.type == TYPE_KEYGUARD_SCRIM);
2063    }
2064
2065    @Override
2066    public boolean isKeyguardHostWindow(WindowManager.LayoutParams attrs) {
2067        return attrs.type == TYPE_STATUS_BAR;
2068    }
2069
2070    @Override
2071    public boolean canBeForceHidden(WindowState win, WindowManager.LayoutParams attrs) {
2072        switch (attrs.type) {
2073            case TYPE_STATUS_BAR:
2074            case TYPE_NAVIGATION_BAR:
2075            case TYPE_WALLPAPER:
2076            case TYPE_DREAM:
2077            case TYPE_KEYGUARD_SCRIM:
2078                return false;
2079            default:
2080                return true;
2081        }
2082    }
2083
2084    @Override
2085    public WindowState getWinShowWhenLockedLw() {
2086        return mWinShowWhenLocked;
2087    }
2088
2089    /** {@inheritDoc} */
2090    @Override
2091    public View addStartingWindow(IBinder appToken, String packageName, int theme,
2092            CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes,
2093            int icon, int logo, int windowFlags) {
2094        if (!SHOW_STARTING_ANIMATIONS) {
2095            return null;
2096        }
2097        if (packageName == null) {
2098            return null;
2099        }
2100
2101        WindowManager wm = null;
2102        View view = null;
2103
2104        try {
2105            Context context = mContext;
2106            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow " + packageName
2107                    + ": nonLocalizedLabel=" + nonLocalizedLabel + " theme="
2108                    + Integer.toHexString(theme));
2109            if (theme != context.getThemeResId() || labelRes != 0) {
2110                try {
2111                    context = context.createPackageContext(packageName, 0);
2112                    context.setTheme(theme);
2113                } catch (PackageManager.NameNotFoundException e) {
2114                    // Ignore
2115                }
2116            }
2117
2118            Window win = new PhoneWindow(context);
2119            final TypedArray ta = win.getWindowStyle();
2120            if (ta.getBoolean(
2121                        com.android.internal.R.styleable.Window_windowDisablePreview, false)
2122                || ta.getBoolean(
2123                        com.android.internal.R.styleable.Window_windowShowWallpaper,false)) {
2124                return null;
2125            }
2126
2127            Resources r = context.getResources();
2128            win.setTitle(r.getText(labelRes, nonLocalizedLabel));
2129
2130            win.setType(
2131                WindowManager.LayoutParams.TYPE_APPLICATION_STARTING);
2132            // Force the window flags: this is a fake window, so it is not really
2133            // touchable or focusable by the user.  We also add in the ALT_FOCUSABLE_IM
2134            // flag because we do know that the next window will take input
2135            // focus, so we want to get the IME window up on top of us right away.
2136            win.setFlags(
2137                windowFlags|
2138                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2139                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2140                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
2141                windowFlags|
2142                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2143                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2144                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
2145
2146            win.setDefaultIcon(icon);
2147            win.setDefaultLogo(logo);
2148
2149            win.setLayout(WindowManager.LayoutParams.MATCH_PARENT,
2150                    WindowManager.LayoutParams.MATCH_PARENT);
2151
2152            final WindowManager.LayoutParams params = win.getAttributes();
2153            params.token = appToken;
2154            params.packageName = packageName;
2155            params.windowAnimations = win.getWindowStyle().getResourceId(
2156                    com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
2157            params.privateFlags |=
2158                    WindowManager.LayoutParams.PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED;
2159            params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
2160
2161            if (!compatInfo.supportsScreen()) {
2162                params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW;
2163            }
2164
2165            params.setTitle("Starting " + packageName);
2166
2167            wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
2168            view = win.getDecorView();
2169
2170            if (win.isFloating()) {
2171                // Whoops, there is no way to display an animation/preview
2172                // of such a thing!  After all that work...  let's skip it.
2173                // (Note that we must do this here because it is in
2174                // getDecorView() where the theme is evaluated...  maybe
2175                // we should peek the floating attribute from the theme
2176                // earlier.)
2177                return null;
2178            }
2179
2180            if (DEBUG_STARTING_WINDOW) Slog.d(
2181                TAG, "Adding starting window for " + packageName
2182                + " / " + appToken + ": "
2183                + (view.getParent() != null ? view : null));
2184
2185            wm.addView(view, params);
2186
2187            // Only return the view if it was successfully added to the
2188            // window manager... which we can tell by it having a parent.
2189            return view.getParent() != null ? view : null;
2190        } catch (WindowManager.BadTokenException e) {
2191            // ignore
2192            Log.w(TAG, appToken + " already running, starting window not displayed. " +
2193                    e.getMessage());
2194        } catch (RuntimeException e) {
2195            // don't crash if something else bad happens, for example a
2196            // failure loading resources because we are loading from an app
2197            // on external storage that has been unmounted.
2198            Log.w(TAG, appToken + " failed creating starting window", e);
2199        } finally {
2200            if (view != null && view.getParent() == null) {
2201                Log.w(TAG, "view not successfully added to wm, removing view");
2202                wm.removeViewImmediate(view);
2203            }
2204        }
2205
2206        return null;
2207    }
2208
2209    /** {@inheritDoc} */
2210    @Override
2211    public void removeStartingWindow(IBinder appToken, View window) {
2212        if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Removing starting window for " + appToken + ": "
2213                + window + " Callers=" + Debug.getCallers(4));
2214
2215        if (window != null) {
2216            WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
2217            wm.removeView(window);
2218        }
2219    }
2220
2221    /**
2222     * Preflight adding a window to the system.
2223     *
2224     * Currently enforces that three window types are singletons:
2225     * <ul>
2226     * <li>STATUS_BAR_TYPE</li>
2227     * <li>KEYGUARD_TYPE</li>
2228     * </ul>
2229     *
2230     * @param win The window to be added
2231     * @param attrs Information about the window to be added
2232     *
2233     * @return If ok, WindowManagerImpl.ADD_OKAY.  If too many singletons,
2234     * WindowManagerImpl.ADD_MULTIPLE_SINGLETON
2235     */
2236    @Override
2237    public int prepareAddWindowLw(WindowState win, WindowManager.LayoutParams attrs) {
2238        switch (attrs.type) {
2239            case TYPE_STATUS_BAR:
2240                mContext.enforceCallingOrSelfPermission(
2241                        android.Manifest.permission.STATUS_BAR_SERVICE,
2242                        "PhoneWindowManager");
2243                if (mStatusBar != null) {
2244                    if (mStatusBar.isAlive()) {
2245                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2246                    }
2247                }
2248                mStatusBar = win;
2249                mStatusBarController.setWindow(win);
2250                break;
2251            case TYPE_NAVIGATION_BAR:
2252                mContext.enforceCallingOrSelfPermission(
2253                        android.Manifest.permission.STATUS_BAR_SERVICE,
2254                        "PhoneWindowManager");
2255                if (mNavigationBar != null) {
2256                    if (mNavigationBar.isAlive()) {
2257                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2258                    }
2259                }
2260                mNavigationBar = win;
2261                mNavigationBarController.setWindow(win);
2262                if (DEBUG_LAYOUT) Slog.i(TAG, "NAVIGATION BAR: " + mNavigationBar);
2263                break;
2264            case TYPE_NAVIGATION_BAR_PANEL:
2265                mContext.enforceCallingOrSelfPermission(
2266                        android.Manifest.permission.STATUS_BAR_SERVICE,
2267                        "PhoneWindowManager");
2268                break;
2269            case TYPE_STATUS_BAR_PANEL:
2270                mContext.enforceCallingOrSelfPermission(
2271                        android.Manifest.permission.STATUS_BAR_SERVICE,
2272                        "PhoneWindowManager");
2273                break;
2274            case TYPE_STATUS_BAR_SUB_PANEL:
2275                mContext.enforceCallingOrSelfPermission(
2276                        android.Manifest.permission.STATUS_BAR_SERVICE,
2277                        "PhoneWindowManager");
2278                break;
2279            case TYPE_KEYGUARD_SCRIM:
2280                if (mKeyguardScrim != null) {
2281                    return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2282                }
2283                mKeyguardScrim = win;
2284                break;
2285        }
2286        return WindowManagerGlobal.ADD_OKAY;
2287    }
2288
2289    /** {@inheritDoc} */
2290    @Override
2291    public void removeWindowLw(WindowState win) {
2292        if (mStatusBar == win) {
2293            mStatusBar = null;
2294            mStatusBarController.setWindow(null);
2295            mKeyguardDelegate.showScrim();
2296        } else if (mKeyguardScrim == win) {
2297            Log.v(TAG, "Removing keyguard scrim");
2298            mKeyguardScrim = null;
2299        } if (mNavigationBar == win) {
2300            mNavigationBar = null;
2301            mNavigationBarController.setWindow(null);
2302        }
2303    }
2304
2305    static final boolean PRINT_ANIM = false;
2306
2307    /** {@inheritDoc} */
2308    @Override
2309    public int selectAnimationLw(WindowState win, int transit) {
2310        if (PRINT_ANIM) Log.i(TAG, "selectAnimation in " + win
2311              + ": transit=" + transit);
2312        if (win == mStatusBar) {
2313            boolean isKeyguard = (win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
2314            if (transit == TRANSIT_EXIT
2315                    || transit == TRANSIT_HIDE) {
2316                return isKeyguard ? -1 : R.anim.dock_top_exit;
2317            } else if (transit == TRANSIT_ENTER
2318                    || transit == TRANSIT_SHOW) {
2319                return isKeyguard ? -1 : R.anim.dock_top_enter;
2320            }
2321        } else if (win == mNavigationBar) {
2322            // This can be on either the bottom or the right.
2323            if (mNavigationBarOnBottom) {
2324                if (transit == TRANSIT_EXIT
2325                        || transit == TRANSIT_HIDE) {
2326                    return R.anim.dock_bottom_exit;
2327                } else if (transit == TRANSIT_ENTER
2328                        || transit == TRANSIT_SHOW) {
2329                    return R.anim.dock_bottom_enter;
2330                }
2331            } else {
2332                if (transit == TRANSIT_EXIT
2333                        || transit == TRANSIT_HIDE) {
2334                    return R.anim.dock_right_exit;
2335                } else if (transit == TRANSIT_ENTER
2336                        || transit == TRANSIT_SHOW) {
2337                    return R.anim.dock_right_enter;
2338                }
2339            }
2340        }
2341
2342        if (transit == TRANSIT_PREVIEW_DONE) {
2343            if (win.hasAppShownWindows()) {
2344                if (PRINT_ANIM) Log.i(TAG, "**** STARTING EXIT");
2345                return com.android.internal.R.anim.app_starting_exit;
2346            }
2347        } else if (win.getAttrs().type == TYPE_DREAM && mDreamingLockscreen
2348                && transit == TRANSIT_ENTER) {
2349            // Special case: we are animating in a dream, while the keyguard
2350            // is shown.  We don't want an animation on the dream, because
2351            // we need it shown immediately with the keyguard animating away
2352            // to reveal it.
2353            return -1;
2354        }
2355
2356        return 0;
2357    }
2358
2359    @Override
2360    public void selectRotationAnimationLw(int anim[]) {
2361        if (PRINT_ANIM) Slog.i(TAG, "selectRotationAnimation mTopFullscreen="
2362                + mTopFullscreenOpaqueWindowState + " rotationAnimation="
2363                + (mTopFullscreenOpaqueWindowState == null ?
2364                        "0" : mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation));
2365        if (mTopFullscreenOpaqueWindowState != null && mTopIsFullscreen) {
2366            switch (mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation) {
2367                case ROTATION_ANIMATION_CROSSFADE:
2368                    anim[0] = R.anim.rotation_animation_xfade_exit;
2369                    anim[1] = R.anim.rotation_animation_enter;
2370                    break;
2371                case ROTATION_ANIMATION_JUMPCUT:
2372                    anim[0] = R.anim.rotation_animation_jump_exit;
2373                    anim[1] = R.anim.rotation_animation_enter;
2374                    break;
2375                case ROTATION_ANIMATION_ROTATE:
2376                default:
2377                    anim[0] = anim[1] = 0;
2378                    break;
2379            }
2380        } else {
2381            anim[0] = anim[1] = 0;
2382        }
2383    }
2384
2385    @Override
2386    public boolean validateRotationAnimationLw(int exitAnimId, int enterAnimId,
2387            boolean forceDefault) {
2388        switch (exitAnimId) {
2389            case R.anim.rotation_animation_xfade_exit:
2390            case R.anim.rotation_animation_jump_exit:
2391                // These are the only cases that matter.
2392                if (forceDefault) {
2393                    return false;
2394                }
2395                int anim[] = new int[2];
2396                selectRotationAnimationLw(anim);
2397                return (exitAnimId == anim[0] && enterAnimId == anim[1]);
2398            default:
2399                return true;
2400        }
2401    }
2402
2403    @Override
2404    public Animation createForceHideEnterAnimation(boolean onWallpaper,
2405            boolean goingToNotificationShade) {
2406        if (goingToNotificationShade) {
2407            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_behind_enter_fade_in);
2408        }
2409
2410        AnimationSet set = (AnimationSet) AnimationUtils.loadAnimation(mContext, onWallpaper ?
2411                    R.anim.lock_screen_behind_enter_wallpaper :
2412                    R.anim.lock_screen_behind_enter);
2413
2414        // TODO: Use XML interpolators when we have log interpolators available in XML.
2415        final List<Animation> animations = set.getAnimations();
2416        for (int i = animations.size() - 1; i >= 0; --i) {
2417            animations.get(i).setInterpolator(mLogDecelerateInterpolator);
2418        }
2419
2420        return set;
2421    }
2422
2423
2424    @Override
2425    public Animation createForceHideWallpaperExitAnimation(boolean goingToNotificationShade) {
2426        if (goingToNotificationShade) {
2427            return null;
2428        } else {
2429            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_wallpaper_exit);
2430        }
2431    }
2432
2433    private static void awakenDreams() {
2434        IDreamManager dreamManager = getDreamManager();
2435        if (dreamManager != null) {
2436            try {
2437                dreamManager.awaken();
2438            } catch (RemoteException e) {
2439                // fine, stay asleep then
2440            }
2441        }
2442    }
2443
2444    static IDreamManager getDreamManager() {
2445        return IDreamManager.Stub.asInterface(
2446                ServiceManager.checkService(DreamService.DREAM_SERVICE));
2447    }
2448
2449    TelecomManager getTelecommService() {
2450        return (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE);
2451    }
2452
2453    static IAudioService getAudioService() {
2454        IAudioService audioService = IAudioService.Stub.asInterface(
2455                ServiceManager.checkService(Context.AUDIO_SERVICE));
2456        if (audioService == null) {
2457            Log.w(TAG, "Unable to find IAudioService interface.");
2458        }
2459        return audioService;
2460    }
2461
2462    boolean keyguardOn() {
2463        return isKeyguardShowingAndNotOccluded() || inKeyguardRestrictedKeyInputMode();
2464    }
2465
2466    private static final int[] WINDOW_TYPES_WHERE_HOME_DOESNT_WORK = {
2467            WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
2468            WindowManager.LayoutParams.TYPE_SYSTEM_ERROR,
2469        };
2470
2471    /** {@inheritDoc} */
2472    @Override
2473    public long interceptKeyBeforeDispatching(WindowState win, KeyEvent event, int policyFlags) {
2474        final boolean keyguardOn = keyguardOn();
2475        final int keyCode = event.getKeyCode();
2476        final int repeatCount = event.getRepeatCount();
2477        final int metaState = event.getMetaState();
2478        final int flags = event.getFlags();
2479        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
2480        final boolean canceled = event.isCanceled();
2481
2482        if (DEBUG_INPUT) {
2483            Log.d(TAG, "interceptKeyTi keyCode=" + keyCode + " down=" + down + " repeatCount="
2484                    + repeatCount + " keyguardOn=" + keyguardOn + " mHomePressed=" + mHomePressed
2485                    + " canceled=" + canceled);
2486        }
2487
2488        // If we think we might have a volume down & power key chord on the way
2489        // but we're not sure, then tell the dispatcher to wait a little while and
2490        // try again later before dispatching.
2491        if (mScreenshotChordEnabled && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
2492            if (mScreenshotChordVolumeDownKeyTriggered && !mScreenshotChordPowerKeyTriggered) {
2493                final long now = SystemClock.uptimeMillis();
2494                final long timeoutTime = mScreenshotChordVolumeDownKeyTime
2495                        + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
2496                if (now < timeoutTime) {
2497                    return timeoutTime - now;
2498                }
2499            }
2500            if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
2501                    && mScreenshotChordVolumeDownKeyConsumed) {
2502                if (!down) {
2503                    mScreenshotChordVolumeDownKeyConsumed = false;
2504                }
2505                return -1;
2506            }
2507        }
2508
2509        // Cancel any pending meta actions if we see any other keys being pressed between the down
2510        // of the meta key and its corresponding up.
2511        if (mPendingMetaAction && !KeyEvent.isMetaKey(keyCode)) {
2512            mPendingMetaAction = false;
2513        }
2514
2515        // First we always handle the home key here, so applications
2516        // can never break it, although if keyguard is on, we do let
2517        // it handle it, because that gives us the correct 5 second
2518        // timeout.
2519        if (keyCode == KeyEvent.KEYCODE_HOME) {
2520
2521            // If we have released the home key, and didn't do anything else
2522            // while it was pressed, then it is time to go home!
2523            if (!down) {
2524                cancelPreloadRecentApps();
2525
2526                mHomePressed = false;
2527                if (mHomeConsumed) {
2528                    mHomeConsumed = false;
2529                    return -1;
2530                }
2531
2532                if (canceled) {
2533                    Log.i(TAG, "Ignoring HOME; event canceled.");
2534                    return -1;
2535                }
2536
2537                // If an incoming call is ringing, HOME is totally disabled.
2538                // (The user is already on the InCallUI at this point,
2539                // and his ONLY options are to answer or reject the call.)
2540                TelecomManager telecomManager = getTelecommService();
2541                if (telecomManager != null && telecomManager.isRinging()) {
2542                    Log.i(TAG, "Ignoring HOME; there's a ringing incoming call.");
2543                    return -1;
2544                }
2545
2546                // Delay handling home if a double-tap is possible.
2547                if (mDoubleTapOnHomeBehavior != DOUBLE_TAP_HOME_NOTHING) {
2548                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable); // just in case
2549                    mHomeDoubleTapPending = true;
2550                    mHandler.postDelayed(mHomeDoubleTapTimeoutRunnable,
2551                            ViewConfiguration.getDoubleTapTimeout());
2552                    return -1;
2553                }
2554
2555                handleShortPressOnHome();
2556                return -1;
2557            }
2558
2559            // If a system window has focus, then it doesn't make sense
2560            // right now to interact with applications.
2561            WindowManager.LayoutParams attrs = win != null ? win.getAttrs() : null;
2562            if (attrs != null) {
2563                final int type = attrs.type;
2564                if (type == WindowManager.LayoutParams.TYPE_KEYGUARD_SCRIM
2565                        || type == WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG
2566                        || (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
2567                    // the "app" is keyguard, so give it the key
2568                    return 0;
2569                }
2570                final int typeCount = WINDOW_TYPES_WHERE_HOME_DOESNT_WORK.length;
2571                for (int i=0; i<typeCount; i++) {
2572                    if (type == WINDOW_TYPES_WHERE_HOME_DOESNT_WORK[i]) {
2573                        // don't do anything, but also don't pass it to the app
2574                        return -1;
2575                    }
2576                }
2577            }
2578
2579            // Remember that home is pressed and handle special actions.
2580            if (repeatCount == 0) {
2581                mHomePressed = true;
2582                if (mHomeDoubleTapPending) {
2583                    mHomeDoubleTapPending = false;
2584                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable);
2585                    handleDoubleTapOnHome();
2586                } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI
2587                        || mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
2588                    preloadRecentApps();
2589                }
2590            } else if ((event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) {
2591                if (!keyguardOn) {
2592                    handleLongPressOnHome();
2593                }
2594            }
2595            return -1;
2596        } else if (keyCode == KeyEvent.KEYCODE_MENU) {
2597            // Hijack modified menu keys for debugging features
2598            final int chordBug = KeyEvent.META_SHIFT_ON;
2599
2600            if (down && repeatCount == 0) {
2601                if (mEnableShiftMenuBugReports && (metaState & chordBug) == chordBug) {
2602                    Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
2603                    mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT,
2604                            null, null, null, 0, null, null);
2605                    return -1;
2606                } else if (SHOW_PROCESSES_ON_ALT_MENU &&
2607                        (metaState & KeyEvent.META_ALT_ON) == KeyEvent.META_ALT_ON) {
2608                    Intent service = new Intent();
2609                    service.setClassName(mContext, "com.android.server.LoadAverageService");
2610                    ContentResolver res = mContext.getContentResolver();
2611                    boolean shown = Settings.Global.getInt(
2612                            res, Settings.Global.SHOW_PROCESSES, 0) != 0;
2613                    if (!shown) {
2614                        mContext.startService(service);
2615                    } else {
2616                        mContext.stopService(service);
2617                    }
2618                    Settings.Global.putInt(
2619                            res, Settings.Global.SHOW_PROCESSES, shown ? 0 : 1);
2620                    return -1;
2621                }
2622            }
2623        } else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
2624            if (down) {
2625                if (repeatCount == 0) {
2626                    mSearchKeyShortcutPending = true;
2627                    mConsumeSearchKeyUp = false;
2628                }
2629            } else {
2630                mSearchKeyShortcutPending = false;
2631                if (mConsumeSearchKeyUp) {
2632                    mConsumeSearchKeyUp = false;
2633                    return -1;
2634                }
2635            }
2636            return 0;
2637        } else if (keyCode == KeyEvent.KEYCODE_APP_SWITCH) {
2638            if (!keyguardOn) {
2639                if (down && repeatCount == 0) {
2640                    preloadRecentApps();
2641                } else if (!down) {
2642                    toggleRecentApps();
2643                }
2644            }
2645            return -1;
2646        } else if (keyCode == KeyEvent.KEYCODE_ASSIST) {
2647            if (down) {
2648                if (repeatCount == 0) {
2649                    mAssistKeyLongPressed = false;
2650                } else if (repeatCount == 1) {
2651                    mAssistKeyLongPressed = true;
2652                    if (!keyguardOn) {
2653                         launchAssistLongPressAction();
2654                    }
2655                }
2656            } else {
2657                if (mAssistKeyLongPressed) {
2658                    mAssistKeyLongPressed = false;
2659                } else {
2660                    if (!keyguardOn) {
2661                        launchAssistAction();
2662                    }
2663                }
2664            }
2665            return -1;
2666        } else if (keyCode == KeyEvent.KEYCODE_VOICE_ASSIST) {
2667            if (!down) {
2668                Intent voiceIntent;
2669                if (!keyguardOn) {
2670                    voiceIntent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
2671                } else {
2672                    voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
2673                    voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, true);
2674                }
2675                startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
2676            }
2677        } else if (keyCode == KeyEvent.KEYCODE_SYSRQ) {
2678            if (down && repeatCount == 0) {
2679                mHandler.post(mScreenshotRunnable);
2680            }
2681            return -1;
2682        } else if (keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP
2683                || keyCode == KeyEvent.KEYCODE_BRIGHTNESS_DOWN) {
2684            if (down) {
2685                int direction = keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP ? 1 : -1;
2686
2687                // Disable autobrightness if it's on
2688                int auto = Settings.System.getIntForUser(
2689                        mContext.getContentResolver(),
2690                        Settings.System.SCREEN_BRIGHTNESS_MODE,
2691                        Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
2692                        UserHandle.USER_CURRENT_OR_SELF);
2693                if (auto != 0) {
2694                    Settings.System.putIntForUser(mContext.getContentResolver(),
2695                            Settings.System.SCREEN_BRIGHTNESS_MODE,
2696                            Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
2697                            UserHandle.USER_CURRENT_OR_SELF);
2698                }
2699
2700                int min = mPowerManager.getMinimumScreenBrightnessSetting();
2701                int max = mPowerManager.getMaximumScreenBrightnessSetting();
2702                int step = (max - min + BRIGHTNESS_STEPS - 1) / BRIGHTNESS_STEPS * direction;
2703                int brightness = Settings.System.getIntForUser(mContext.getContentResolver(),
2704                        Settings.System.SCREEN_BRIGHTNESS,
2705                        mPowerManager.getDefaultScreenBrightnessSetting(),
2706                        UserHandle.USER_CURRENT_OR_SELF);
2707                brightness += step;
2708                // Make sure we don't go beyond the limits.
2709                brightness = Math.min(max, brightness);
2710                brightness = Math.max(min, brightness);
2711
2712                Settings.System.putIntForUser(mContext.getContentResolver(),
2713                        Settings.System.SCREEN_BRIGHTNESS, brightness,
2714                        UserHandle.USER_CURRENT_OR_SELF);
2715                startActivityAsUser(new Intent(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG),
2716                        UserHandle.CURRENT_OR_SELF);
2717            }
2718            return -1;
2719        } else if (KeyEvent.isMetaKey(keyCode)) {
2720            if (down) {
2721                mPendingMetaAction = true;
2722            } else if (mPendingMetaAction) {
2723                launchAssistAction(Intent.EXTRA_ASSIST_INPUT_HINT_KEYBOARD);
2724            }
2725            return -1;
2726        }
2727
2728        // Shortcuts are invoked through Search+key, so intercept those here
2729        // Any printing key that is chorded with Search should be consumed
2730        // even if no shortcut was invoked.  This prevents text from being
2731        // inadvertently inserted when using a keyboard that has built-in macro
2732        // shortcut keys (that emit Search+x) and some of them are not registered.
2733        if (mSearchKeyShortcutPending) {
2734            final KeyCharacterMap kcm = event.getKeyCharacterMap();
2735            if (kcm.isPrintingKey(keyCode)) {
2736                mConsumeSearchKeyUp = true;
2737                mSearchKeyShortcutPending = false;
2738                if (down && repeatCount == 0 && !keyguardOn) {
2739                    Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState);
2740                    if (shortcutIntent != null) {
2741                        shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2742                        try {
2743                            startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
2744                        } catch (ActivityNotFoundException ex) {
2745                            Slog.w(TAG, "Dropping shortcut key combination because "
2746                                    + "the activity to which it is registered was not found: "
2747                                    + "SEARCH+" + KeyEvent.keyCodeToString(keyCode), ex);
2748                        }
2749                    } else {
2750                        Slog.i(TAG, "Dropping unregistered shortcut key combination: "
2751                                + "SEARCH+" + KeyEvent.keyCodeToString(keyCode));
2752                    }
2753                }
2754                return -1;
2755            }
2756        }
2757
2758        // Invoke shortcuts using Meta.
2759        if (down && repeatCount == 0 && !keyguardOn
2760                && (metaState & KeyEvent.META_META_ON) != 0) {
2761            final KeyCharacterMap kcm = event.getKeyCharacterMap();
2762            if (kcm.isPrintingKey(keyCode)) {
2763                Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode,
2764                        metaState & ~(KeyEvent.META_META_ON
2765                                | KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_RIGHT_ON));
2766                if (shortcutIntent != null) {
2767                    shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2768                    try {
2769                        startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
2770                    } catch (ActivityNotFoundException ex) {
2771                        Slog.w(TAG, "Dropping shortcut key combination because "
2772                                + "the activity to which it is registered was not found: "
2773                                + "META+" + KeyEvent.keyCodeToString(keyCode), ex);
2774                    }
2775                    return -1;
2776                }
2777            }
2778        }
2779
2780        // Handle application launch keys.
2781        if (down && repeatCount == 0 && !keyguardOn) {
2782            String category = sApplicationLaunchKeyCategories.get(keyCode);
2783            if (category != null) {
2784                Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, category);
2785                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2786                try {
2787                    startActivityAsUser(intent, UserHandle.CURRENT);
2788                } catch (ActivityNotFoundException ex) {
2789                    Slog.w(TAG, "Dropping application launch key because "
2790                            + "the activity to which it is registered was not found: "
2791                            + "keyCode=" + keyCode + ", category=" + category, ex);
2792                }
2793                return -1;
2794            }
2795        }
2796
2797        // Display task switcher for ALT-TAB.
2798        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_TAB) {
2799            if (mRecentAppsHeldModifiers == 0 && !keyguardOn) {
2800                final int shiftlessModifiers = event.getModifiers() & ~KeyEvent.META_SHIFT_MASK;
2801                if (KeyEvent.metaStateHasModifiers(shiftlessModifiers, KeyEvent.META_ALT_ON)) {
2802                    mRecentAppsHeldModifiers = shiftlessModifiers;
2803                    showRecentApps(true);
2804                    return -1;
2805                }
2806            }
2807        } else if (!down && mRecentAppsHeldModifiers != 0
2808                && (metaState & mRecentAppsHeldModifiers) == 0) {
2809            mRecentAppsHeldModifiers = 0;
2810            hideRecentApps(true, false);
2811        }
2812
2813        // Handle keyboard language switching.
2814        if (down && repeatCount == 0
2815                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
2816                        || (keyCode == KeyEvent.KEYCODE_SPACE
2817                                && (metaState & KeyEvent.META_CTRL_MASK) != 0))) {
2818            int direction = (metaState & KeyEvent.META_SHIFT_MASK) != 0 ? -1 : 1;
2819            mWindowManagerFuncs.switchKeyboardLayout(event.getDeviceId(), direction);
2820            return -1;
2821        }
2822        if (mLanguageSwitchKeyPressed && !down
2823                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
2824                        || keyCode == KeyEvent.KEYCODE_SPACE)) {
2825            mLanguageSwitchKeyPressed = false;
2826            return -1;
2827        }
2828
2829        if (isValidGlobalKey(keyCode)
2830                && mGlobalKeyManager.handleGlobalKey(mContext, keyCode, event)) {
2831            return -1;
2832        }
2833
2834        // Reserve all the META modifier combos for system behavior
2835        if ((metaState & KeyEvent.META_META_ON) != 0) {
2836            return -1;
2837        }
2838
2839        // Let the application handle the key.
2840        return 0;
2841    }
2842
2843    /** {@inheritDoc} */
2844    @Override
2845    public KeyEvent dispatchUnhandledKey(WindowState win, KeyEvent event, int policyFlags) {
2846        // Note: This method is only called if the initial down was unhandled.
2847        if (DEBUG_INPUT) {
2848            Slog.d(TAG, "Unhandled key: win=" + win + ", action=" + event.getAction()
2849                    + ", flags=" + event.getFlags()
2850                    + ", keyCode=" + event.getKeyCode()
2851                    + ", scanCode=" + event.getScanCode()
2852                    + ", metaState=" + event.getMetaState()
2853                    + ", repeatCount=" + event.getRepeatCount()
2854                    + ", policyFlags=" + policyFlags);
2855        }
2856
2857        KeyEvent fallbackEvent = null;
2858        if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
2859            final KeyCharacterMap kcm = event.getKeyCharacterMap();
2860            final int keyCode = event.getKeyCode();
2861            final int metaState = event.getMetaState();
2862            final boolean initialDown = event.getAction() == KeyEvent.ACTION_DOWN
2863                    && event.getRepeatCount() == 0;
2864
2865            // Check for fallback actions specified by the key character map.
2866            final FallbackAction fallbackAction;
2867            if (initialDown) {
2868                fallbackAction = kcm.getFallbackAction(keyCode, metaState);
2869            } else {
2870                fallbackAction = mFallbackActions.get(keyCode);
2871            }
2872
2873            if (fallbackAction != null) {
2874                if (DEBUG_INPUT) {
2875                    Slog.d(TAG, "Fallback: keyCode=" + fallbackAction.keyCode
2876                            + " metaState=" + Integer.toHexString(fallbackAction.metaState));
2877                }
2878
2879                final int flags = event.getFlags() | KeyEvent.FLAG_FALLBACK;
2880                fallbackEvent = KeyEvent.obtain(
2881                        event.getDownTime(), event.getEventTime(),
2882                        event.getAction(), fallbackAction.keyCode,
2883                        event.getRepeatCount(), fallbackAction.metaState,
2884                        event.getDeviceId(), event.getScanCode(),
2885                        flags, event.getSource(), null);
2886
2887                if (!interceptFallback(win, fallbackEvent, policyFlags)) {
2888                    fallbackEvent.recycle();
2889                    fallbackEvent = null;
2890                }
2891
2892                if (initialDown) {
2893                    mFallbackActions.put(keyCode, fallbackAction);
2894                } else if (event.getAction() == KeyEvent.ACTION_UP) {
2895                    mFallbackActions.remove(keyCode);
2896                    fallbackAction.recycle();
2897                }
2898            }
2899        }
2900
2901        if (DEBUG_INPUT) {
2902            if (fallbackEvent == null) {
2903                Slog.d(TAG, "No fallback.");
2904            } else {
2905                Slog.d(TAG, "Performing fallback: " + fallbackEvent);
2906            }
2907        }
2908        return fallbackEvent;
2909    }
2910
2911    private boolean interceptFallback(WindowState win, KeyEvent fallbackEvent, int policyFlags) {
2912        int actions = interceptKeyBeforeQueueing(fallbackEvent, policyFlags);
2913        if ((actions & ACTION_PASS_TO_USER) != 0) {
2914            long delayMillis = interceptKeyBeforeDispatching(
2915                    win, fallbackEvent, policyFlags);
2916            if (delayMillis == 0) {
2917                return true;
2918            }
2919        }
2920        return false;
2921    }
2922
2923    private void launchAssistLongPressAction() {
2924        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
2925        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
2926
2927        // launch the search activity
2928        Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
2929        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2930        try {
2931            // TODO: This only stops the factory-installed search manager.
2932            // Need to formalize an API to handle others
2933            SearchManager searchManager = getSearchManager();
2934            if (searchManager != null) {
2935                searchManager.stopSearch();
2936            }
2937            startActivityAsUser(intent, UserHandle.CURRENT);
2938        } catch (ActivityNotFoundException e) {
2939            Slog.w(TAG, "No activity to handle assist long press action.", e);
2940        }
2941    }
2942
2943    private void launchAssistAction() {
2944        launchAssistAction(null);
2945    }
2946
2947    private void launchAssistAction(String hint) {
2948        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
2949        Intent intent = ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
2950                .getAssistIntent(mContext, true, UserHandle.USER_CURRENT);
2951        if (intent != null) {
2952            if (hint != null) {
2953                intent.putExtra(hint, true);
2954            }
2955            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
2956                    | Intent.FLAG_ACTIVITY_SINGLE_TOP
2957                    | Intent.FLAG_ACTIVITY_CLEAR_TOP);
2958            try {
2959                startActivityAsUser(intent, UserHandle.CURRENT);
2960            } catch (ActivityNotFoundException e) {
2961                Slog.w(TAG, "No activity to handle assist action.", e);
2962            }
2963        }
2964    }
2965
2966    private void startActivityAsUser(Intent intent, UserHandle handle) {
2967        if (isUserSetupComplete()) {
2968            mContext.startActivityAsUser(intent, handle);
2969        } else {
2970            Slog.i(TAG, "Not starting activity because user setup is in progress: " + intent);
2971        }
2972    }
2973
2974    private SearchManager getSearchManager() {
2975        if (mSearchManager == null) {
2976            mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
2977        }
2978        return mSearchManager;
2979    }
2980
2981    private void preloadRecentApps() {
2982        mPreloadedRecentApps = true;
2983        try {
2984            IStatusBarService statusbar = getStatusBarService();
2985            if (statusbar != null) {
2986                statusbar.preloadRecentApps();
2987            }
2988        } catch (RemoteException e) {
2989            Slog.e(TAG, "RemoteException when preloading recent apps", e);
2990            // re-acquire status bar service next time it is needed.
2991            mStatusBarService = null;
2992        }
2993    }
2994
2995    private void cancelPreloadRecentApps() {
2996        if (mPreloadedRecentApps) {
2997            mPreloadedRecentApps = false;
2998            try {
2999                IStatusBarService statusbar = getStatusBarService();
3000                if (statusbar != null) {
3001                    statusbar.cancelPreloadRecentApps();
3002                }
3003            } catch (RemoteException e) {
3004                Slog.e(TAG, "RemoteException when cancelling recent apps preload", e);
3005                // re-acquire status bar service next time it is needed.
3006                mStatusBarService = null;
3007            }
3008        }
3009    }
3010
3011    private void toggleRecentApps() {
3012        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3013        try {
3014            IStatusBarService statusbar = getStatusBarService();
3015            if (statusbar != null) {
3016                statusbar.toggleRecentApps();
3017            }
3018        } catch (RemoteException e) {
3019            Slog.e(TAG, "RemoteException when toggling recent apps", e);
3020            // re-acquire status bar service next time it is needed.
3021            mStatusBarService = null;
3022        }
3023    }
3024
3025    @Override
3026    public void showRecentApps() {
3027        mHandler.removeMessages(MSG_DISPATCH_SHOW_RECENTS);
3028        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_RECENTS);
3029    }
3030
3031    private void showRecentApps(boolean triggeredFromAltTab) {
3032        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3033        try {
3034            IStatusBarService statusbar = getStatusBarService();
3035            if (statusbar != null) {
3036                statusbar.showRecentApps(triggeredFromAltTab);
3037            }
3038        } catch (RemoteException e) {
3039            Slog.e(TAG, "RemoteException when showing recent apps", e);
3040            // re-acquire status bar service next time it is needed.
3041            mStatusBarService = null;
3042        }
3043    }
3044
3045    private void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHome) {
3046        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3047        try {
3048            IStatusBarService statusbar = getStatusBarService();
3049            if (statusbar != null) {
3050                statusbar.hideRecentApps(triggeredFromAltTab, triggeredFromHome);
3051            }
3052        } catch (RemoteException e) {
3053            Slog.e(TAG, "RemoteException when closing recent apps", e);
3054            // re-acquire status bar service next time it is needed.
3055            mStatusBarService = null;
3056        }
3057    }
3058
3059    void launchHomeFromHotKey() {
3060        launchHomeFromHotKey(true /* awakenFromDreams */);
3061    }
3062
3063    /**
3064     * A home key -> launch home action was detected.  Take the appropriate action
3065     * given the situation with the keyguard.
3066     */
3067    void launchHomeFromHotKey(final boolean awakenFromDreams) {
3068        if (isKeyguardShowingAndNotOccluded()) {
3069            // don't launch home if keyguard showing
3070        } else if (!mHideLockScreen && mKeyguardDelegate.isInputRestricted()) {
3071            // when in keyguard restricted mode, must first verify unlock
3072            // before launching home
3073            mKeyguardDelegate.verifyUnlock(new OnKeyguardExitResult() {
3074                @Override
3075                public void onKeyguardExitResult(boolean success) {
3076                    if (success) {
3077                        try {
3078                            ActivityManagerNative.getDefault().stopAppSwitches();
3079                        } catch (RemoteException e) {
3080                        }
3081                        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3082                        startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3083                    }
3084                }
3085            });
3086        } else {
3087            // no keyguard stuff to worry about, just launch home!
3088            try {
3089                ActivityManagerNative.getDefault().stopAppSwitches();
3090            } catch (RemoteException e) {
3091            }
3092            if (mRecentsVisible) {
3093                // Hide Recents and notify it to launch Home
3094                if (awakenFromDreams) {
3095                    awakenDreams();
3096                }
3097                sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3098                hideRecentApps(false, true);
3099            } else {
3100                // Otherwise, just launch Home
3101                sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3102                startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3103            }
3104        }
3105    }
3106
3107    private final Runnable mClearHideNavigationFlag = new Runnable() {
3108        @Override
3109        public void run() {
3110            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3111                // Clear flags.
3112                mForceClearedSystemUiFlags &=
3113                        ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3114            }
3115            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3116        }
3117    };
3118
3119    /**
3120     * Input handler used while nav bar is hidden.  Captures any touch on the screen,
3121     * to determine when the nav bar should be shown and prevent applications from
3122     * receiving those touches.
3123     */
3124    final class HideNavInputEventReceiver extends InputEventReceiver {
3125        public HideNavInputEventReceiver(InputChannel inputChannel, Looper looper) {
3126            super(inputChannel, looper);
3127        }
3128
3129        @Override
3130        public void onInputEvent(InputEvent event) {
3131            boolean handled = false;
3132            try {
3133                if (event instanceof MotionEvent
3134                        && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
3135                    final MotionEvent motionEvent = (MotionEvent)event;
3136                    if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
3137                        // When the user taps down, we re-show the nav bar.
3138                        boolean changed = false;
3139                        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3140                            // Any user activity always causes us to show the
3141                            // navigation controls, if they had been hidden.
3142                            // We also clear the low profile and only content
3143                            // flags so that tapping on the screen will atomically
3144                            // restore all currently hidden screen decorations.
3145                            int newVal = mResettingSystemUiFlags |
3146                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
3147                                    View.SYSTEM_UI_FLAG_LOW_PROFILE |
3148                                    View.SYSTEM_UI_FLAG_FULLSCREEN;
3149                            if (mResettingSystemUiFlags != newVal) {
3150                                mResettingSystemUiFlags = newVal;
3151                                changed = true;
3152                            }
3153                            // We don't allow the system's nav bar to be hidden
3154                            // again for 1 second, to prevent applications from
3155                            // spamming us and keeping it from being shown.
3156                            newVal = mForceClearedSystemUiFlags |
3157                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3158                            if (mForceClearedSystemUiFlags != newVal) {
3159                                mForceClearedSystemUiFlags = newVal;
3160                                changed = true;
3161                                mHandler.postDelayed(mClearHideNavigationFlag, 1000);
3162                            }
3163                        }
3164                        if (changed) {
3165                            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3166                        }
3167                    }
3168                }
3169            } finally {
3170                finishInputEvent(event, handled);
3171            }
3172        }
3173    }
3174    final InputEventReceiver.Factory mHideNavInputEventReceiverFactory =
3175            new InputEventReceiver.Factory() {
3176        @Override
3177        public InputEventReceiver createInputEventReceiver(
3178                InputChannel inputChannel, Looper looper) {
3179            return new HideNavInputEventReceiver(inputChannel, looper);
3180        }
3181    };
3182
3183    @Override
3184    public int adjustSystemUiVisibilityLw(int visibility) {
3185        mStatusBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3186        mNavigationBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3187        mRecentsVisible = (visibility & View.RECENT_APPS_VISIBLE) > 0;
3188
3189        // Reset any bits in mForceClearingStatusBarVisibility that
3190        // are now clear.
3191        mResettingSystemUiFlags &= visibility;
3192        // Clear any bits in the new visibility that are currently being
3193        // force cleared, before reporting it.
3194        return visibility & ~mResettingSystemUiFlags
3195                & ~mForceClearedSystemUiFlags;
3196    }
3197
3198    @Override
3199    public void getInsetHintLw(WindowManager.LayoutParams attrs, Rect outContentInsets,
3200            Rect outStableInsets) {
3201        final int fl = PolicyControl.getWindowFlags(null, attrs);
3202        final int sysuiVis = PolicyControl.getSystemUiVisibility(null, attrs);
3203        final int systemUiVisibility = (sysuiVis | attrs.subtreeSystemUiVisibility);
3204
3205        if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3206                == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3207            int availRight, availBottom;
3208            if (canHideNavigationBar() &&
3209                    (systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0) {
3210                availRight = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3211                availBottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3212            } else {
3213                availRight = mRestrictedScreenLeft + mRestrictedScreenWidth;
3214                availBottom = mRestrictedScreenTop + mRestrictedScreenHeight;
3215            }
3216            if ((systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3217                if ((fl & FLAG_FULLSCREEN) != 0) {
3218                    outContentInsets.set(mStableFullscreenLeft, mStableFullscreenTop,
3219                            availRight - mStableFullscreenRight,
3220                            availBottom - mStableFullscreenBottom);
3221                } else {
3222                    outContentInsets.set(mStableLeft, mStableTop,
3223                            availRight - mStableRight, availBottom - mStableBottom);
3224                }
3225            } else if ((fl & FLAG_FULLSCREEN) != 0 || (fl & FLAG_LAYOUT_IN_OVERSCAN) != 0) {
3226                outContentInsets.setEmpty();
3227            } else if ((systemUiVisibility & (View.SYSTEM_UI_FLAG_FULLSCREEN
3228                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)) == 0) {
3229                outContentInsets.set(mCurLeft, mCurTop,
3230                        availRight - mCurRight, availBottom - mCurBottom);
3231            } else {
3232                outContentInsets.set(mCurLeft, mCurTop,
3233                        availRight - mCurRight, availBottom - mCurBottom);
3234            }
3235
3236            outStableInsets.set(mStableLeft, mStableTop,
3237                    availRight - mStableRight, availBottom - mStableBottom);
3238            return;
3239        }
3240        outContentInsets.setEmpty();
3241        outStableInsets.setEmpty();
3242    }
3243
3244    /** {@inheritDoc} */
3245    @Override
3246    public void beginLayoutLw(boolean isDefaultDisplay, int displayWidth, int displayHeight,
3247                              int displayRotation) {
3248        final int overscanLeft, overscanTop, overscanRight, overscanBottom;
3249        if (isDefaultDisplay) {
3250            switch (displayRotation) {
3251                case Surface.ROTATION_90:
3252                    overscanLeft = mOverscanTop;
3253                    overscanTop = mOverscanRight;
3254                    overscanRight = mOverscanBottom;
3255                    overscanBottom = mOverscanLeft;
3256                    break;
3257                case Surface.ROTATION_180:
3258                    overscanLeft = mOverscanRight;
3259                    overscanTop = mOverscanBottom;
3260                    overscanRight = mOverscanLeft;
3261                    overscanBottom = mOverscanTop;
3262                    break;
3263                case Surface.ROTATION_270:
3264                    overscanLeft = mOverscanBottom;
3265                    overscanTop = mOverscanLeft;
3266                    overscanRight = mOverscanTop;
3267                    overscanBottom = mOverscanRight;
3268                    break;
3269                default:
3270                    overscanLeft = mOverscanLeft;
3271                    overscanTop = mOverscanTop;
3272                    overscanRight = mOverscanRight;
3273                    overscanBottom = mOverscanBottom;
3274                    break;
3275            }
3276        } else {
3277            overscanLeft = 0;
3278            overscanTop = 0;
3279            overscanRight = 0;
3280            overscanBottom = 0;
3281        }
3282        mOverscanScreenLeft = mRestrictedOverscanScreenLeft = 0;
3283        mOverscanScreenTop = mRestrictedOverscanScreenTop = 0;
3284        mOverscanScreenWidth = mRestrictedOverscanScreenWidth = displayWidth;
3285        mOverscanScreenHeight = mRestrictedOverscanScreenHeight = displayHeight;
3286        mSystemLeft = 0;
3287        mSystemTop = 0;
3288        mSystemRight = displayWidth;
3289        mSystemBottom = displayHeight;
3290        mUnrestrictedScreenLeft = overscanLeft;
3291        mUnrestrictedScreenTop = overscanTop;
3292        mUnrestrictedScreenWidth = displayWidth - overscanLeft - overscanRight;
3293        mUnrestrictedScreenHeight = displayHeight - overscanTop - overscanBottom;
3294        mRestrictedScreenLeft = mUnrestrictedScreenLeft;
3295        mRestrictedScreenTop = mUnrestrictedScreenTop;
3296        mRestrictedScreenWidth = mSystemGestures.screenWidth = mUnrestrictedScreenWidth;
3297        mRestrictedScreenHeight = mSystemGestures.screenHeight = mUnrestrictedScreenHeight;
3298        mDockLeft = mContentLeft = mVoiceContentLeft = mStableLeft = mStableFullscreenLeft
3299                = mCurLeft = mUnrestrictedScreenLeft;
3300        mDockTop = mContentTop = mVoiceContentTop = mStableTop = mStableFullscreenTop
3301                = mCurTop = mUnrestrictedScreenTop;
3302        mDockRight = mContentRight = mVoiceContentRight = mStableRight = mStableFullscreenRight
3303                = mCurRight = displayWidth - overscanRight;
3304        mDockBottom = mContentBottom = mVoiceContentBottom = mStableBottom = mStableFullscreenBottom
3305                = mCurBottom = displayHeight - overscanBottom;
3306        mDockLayer = 0x10000000;
3307        mStatusBarLayer = -1;
3308
3309        // start with the current dock rect, which will be (0,0,displayWidth,displayHeight)
3310        final Rect pf = mTmpParentFrame;
3311        final Rect df = mTmpDisplayFrame;
3312        final Rect of = mTmpOverscanFrame;
3313        final Rect vf = mTmpVisibleFrame;
3314        final Rect dcf = mTmpDecorFrame;
3315        pf.left = df.left = of.left = vf.left = mDockLeft;
3316        pf.top = df.top = of.top = vf.top = mDockTop;
3317        pf.right = df.right = of.right = vf.right = mDockRight;
3318        pf.bottom = df.bottom = of.bottom = vf.bottom = mDockBottom;
3319        dcf.setEmpty();  // Decor frame N/A for system bars.
3320
3321        if (isDefaultDisplay) {
3322            // For purposes of putting out fake window up to steal focus, we will
3323            // drive nav being hidden only by whether it is requested.
3324            final int sysui = mLastSystemUiFlags;
3325            boolean navVisible = (sysui & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0;
3326            boolean navTranslucent = (sysui
3327                    & (View.NAVIGATION_BAR_TRANSLUCENT | View.SYSTEM_UI_TRANSPARENT)) != 0;
3328            boolean immersive = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
3329            boolean immersiveSticky = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
3330            boolean navAllowedHidden = immersive || immersiveSticky;
3331            navTranslucent &= !immersiveSticky;  // transient trumps translucent
3332            boolean isKeyguardShowing = isStatusBarKeyguard() && !mHideLockScreen;
3333            if (!isKeyguardShowing) {
3334                navTranslucent &= areTranslucentBarsAllowed();
3335            }
3336
3337            // When the navigation bar isn't visible, we put up a fake
3338            // input window to catch all touch events.  This way we can
3339            // detect when the user presses anywhere to bring back the nav
3340            // bar and ensure the application doesn't see the event.
3341            if (navVisible || navAllowedHidden) {
3342                if (mHideNavFakeWindow != null) {
3343                    mHideNavFakeWindow.dismiss();
3344                    mHideNavFakeWindow = null;
3345                }
3346            } else if (mHideNavFakeWindow == null) {
3347                mHideNavFakeWindow = mWindowManagerFuncs.addFakeWindow(
3348                        mHandler.getLooper(), mHideNavInputEventReceiverFactory,
3349                        "hidden nav", WindowManager.LayoutParams.TYPE_HIDDEN_NAV_CONSUMER, 0,
3350                        0, false, false, true);
3351            }
3352
3353            // For purposes of positioning and showing the nav bar, if we have
3354            // decided that it can't be hidden (because of the screen aspect ratio),
3355            // then take that into account.
3356            navVisible |= !canHideNavigationBar();
3357
3358            boolean updateSysUiVisibility = false;
3359            if (mNavigationBar != null) {
3360                boolean transientNavBarShowing = mNavigationBarController.isTransientShowing();
3361                // Force the navigation bar to its appropriate place and
3362                // size.  We need to do this directly, instead of relying on
3363                // it to bubble up from the nav bar, because this needs to
3364                // change atomically with screen rotations.
3365                mNavigationBarOnBottom = (!mNavigationBarCanMove || displayWidth < displayHeight);
3366                if (mNavigationBarOnBottom) {
3367                    // It's a system nav bar or a portrait screen; nav bar goes on bottom.
3368                    int top = displayHeight - overscanBottom
3369                            - mNavigationBarHeightForRotation[displayRotation];
3370                    mTmpNavigationFrame.set(0, top, displayWidth, displayHeight - overscanBottom);
3371                    mStableBottom = mStableFullscreenBottom = mTmpNavigationFrame.top;
3372                    if (transientNavBarShowing) {
3373                        mNavigationBarController.setBarShowingLw(true);
3374                    } else if (navVisible) {
3375                        mNavigationBarController.setBarShowingLw(true);
3376                        mDockBottom = mTmpNavigationFrame.top;
3377                        mRestrictedScreenHeight = mDockBottom - mRestrictedScreenTop;
3378                        mRestrictedOverscanScreenHeight = mDockBottom - mRestrictedOverscanScreenTop;
3379                    } else {
3380                        // We currently want to hide the navigation UI.
3381                        mNavigationBarController.setBarShowingLw(false);
3382                    }
3383                    if (navVisible && !navTranslucent && !navAllowedHidden
3384                            && !mNavigationBar.isAnimatingLw()
3385                            && !mNavigationBarController.wasRecentlyTranslucent()) {
3386                        // If the opaque nav bar is currently requested to be visible,
3387                        // and not in the process of animating on or off, then
3388                        // we can tell the app that it is covered by it.
3389                        mSystemBottom = mTmpNavigationFrame.top;
3390                    }
3391                } else {
3392                    // Landscape screen; nav bar goes to the right.
3393                    int left = displayWidth - overscanRight
3394                            - mNavigationBarWidthForRotation[displayRotation];
3395                    mTmpNavigationFrame.set(left, 0, displayWidth - overscanRight, displayHeight);
3396                    mStableRight = mStableFullscreenRight = mTmpNavigationFrame.left;
3397                    if (transientNavBarShowing) {
3398                        mNavigationBarController.setBarShowingLw(true);
3399                    } else if (navVisible) {
3400                        mNavigationBarController.setBarShowingLw(true);
3401                        mDockRight = mTmpNavigationFrame.left;
3402                        mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
3403                        mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
3404                    } else {
3405                        // We currently want to hide the navigation UI.
3406                        mNavigationBarController.setBarShowingLw(false);
3407                    }
3408                    if (navVisible && !navTranslucent && !mNavigationBar.isAnimatingLw()
3409                            && !mNavigationBarController.wasRecentlyTranslucent()) {
3410                        // If the nav bar is currently requested to be visible,
3411                        // and not in the process of animating on or off, then
3412                        // we can tell the app that it is covered by it.
3413                        mSystemRight = mTmpNavigationFrame.left;
3414                    }
3415                }
3416                // Make sure the content and current rectangles are updated to
3417                // account for the restrictions from the navigation bar.
3418                mContentTop = mVoiceContentTop = mCurTop = mDockTop;
3419                mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
3420                mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
3421                mContentRight = mVoiceContentRight = mCurRight = mDockRight;
3422                mStatusBarLayer = mNavigationBar.getSurfaceLayer();
3423                // And compute the final frame.
3424                mNavigationBar.computeFrameLw(mTmpNavigationFrame, mTmpNavigationFrame,
3425                        mTmpNavigationFrame, mTmpNavigationFrame, mTmpNavigationFrame, dcf,
3426                        mTmpNavigationFrame);
3427                if (DEBUG_LAYOUT) Slog.i(TAG, "mNavigationBar frame: " + mTmpNavigationFrame);
3428                if (mNavigationBarController.checkHiddenLw()) {
3429                    updateSysUiVisibility = true;
3430                }
3431            }
3432            if (DEBUG_LAYOUT) Slog.i(TAG, String.format("mDock rect: (%d,%d - %d,%d)",
3433                    mDockLeft, mDockTop, mDockRight, mDockBottom));
3434
3435            // decide where the status bar goes ahead of time
3436            if (mStatusBar != null) {
3437                // apply any navigation bar insets
3438                pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3439                pf.top = df.top = of.top = mUnrestrictedScreenTop;
3440                pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
3441                pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight
3442                        + mUnrestrictedScreenTop;
3443                vf.left = mStableLeft;
3444                vf.top = mStableTop;
3445                vf.right = mStableRight;
3446                vf.bottom = mStableBottom;
3447
3448                mStatusBarLayer = mStatusBar.getSurfaceLayer();
3449
3450                // Let the status bar determine its size.
3451                mStatusBar.computeFrameLw(pf, df, vf, vf, vf, dcf, vf);
3452
3453                // For layout, the status bar is always at the top with our fixed height.
3454                mStableTop = mUnrestrictedScreenTop + mStatusBarHeight;
3455
3456                boolean statusBarTransient = (sysui & View.STATUS_BAR_TRANSIENT) != 0;
3457                boolean statusBarTranslucent = (sysui
3458                        & (View.STATUS_BAR_TRANSLUCENT | View.SYSTEM_UI_TRANSPARENT)) != 0;
3459                if (!isKeyguardShowing) {
3460                    statusBarTranslucent &= areTranslucentBarsAllowed();
3461                }
3462
3463                // If the status bar is hidden, we don't want to cause
3464                // windows behind it to scroll.
3465                if (mStatusBar.isVisibleLw() && !statusBarTransient) {
3466                    // Status bar may go away, so the screen area it occupies
3467                    // is available to apps but just covering them when the
3468                    // status bar is visible.
3469                    mDockTop = mUnrestrictedScreenTop + mStatusBarHeight;
3470
3471                    mContentTop = mVoiceContentTop = mCurTop = mDockTop;
3472                    mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
3473                    mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
3474                    mContentRight = mVoiceContentRight = mCurRight = mDockRight;
3475
3476                    if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar: " +
3477                        String.format(
3478                            "dock=[%d,%d][%d,%d] content=[%d,%d][%d,%d] cur=[%d,%d][%d,%d]",
3479                            mDockLeft, mDockTop, mDockRight, mDockBottom,
3480                            mContentLeft, mContentTop, mContentRight, mContentBottom,
3481                            mCurLeft, mCurTop, mCurRight, mCurBottom));
3482                }
3483                if (mStatusBar.isVisibleLw() && !mStatusBar.isAnimatingLw()
3484                        && !statusBarTransient && !statusBarTranslucent
3485                        && !mStatusBarController.wasRecentlyTranslucent()) {
3486                    // If the opaque status bar is currently requested to be visible,
3487                    // and not in the process of animating on or off, then
3488                    // we can tell the app that it is covered by it.
3489                    mSystemTop = mUnrestrictedScreenTop + mStatusBarHeight;
3490                }
3491                if (mStatusBarController.checkHiddenLw()) {
3492                    updateSysUiVisibility = true;
3493                }
3494            }
3495            if (updateSysUiVisibility) {
3496                updateSystemUiVisibilityLw();
3497            }
3498        }
3499    }
3500
3501    /** {@inheritDoc} */
3502    @Override
3503    public int getSystemDecorLayerLw() {
3504        if (mStatusBar != null) return mStatusBar.getSurfaceLayer();
3505        if (mNavigationBar != null) return mNavigationBar.getSurfaceLayer();
3506        return 0;
3507    }
3508
3509    @Override
3510    public void getContentRectLw(Rect r) {
3511        r.set(mContentLeft, mContentTop, mContentRight, mContentBottom);
3512    }
3513
3514    void setAttachedWindowFrames(WindowState win, int fl, int adjust, WindowState attached,
3515            boolean insetDecors, Rect pf, Rect df, Rect of, Rect cf, Rect vf) {
3516        if (win.getSurfaceLayer() > mDockLayer && attached.getSurfaceLayer() < mDockLayer) {
3517            // Here's a special case: if this attached window is a panel that is
3518            // above the dock window, and the window it is attached to is below
3519            // the dock window, then the frames we computed for the window it is
3520            // attached to can not be used because the dock is effectively part
3521            // of the underlying window and the attached window is floating on top
3522            // of the whole thing.  So, we ignore the attached window and explicitly
3523            // compute the frames that would be appropriate without the dock.
3524            df.left = of.left = cf.left = vf.left = mDockLeft;
3525            df.top = of.top = cf.top = vf.top = mDockTop;
3526            df.right = of.right = cf.right = vf.right = mDockRight;
3527            df.bottom = of.bottom = cf.bottom = vf.bottom = mDockBottom;
3528        } else {
3529            // The effective display frame of the attached window depends on
3530            // whether it is taking care of insetting its content.  If not,
3531            // we need to use the parent's content frame so that the entire
3532            // window is positioned within that content.  Otherwise we can use
3533            // the overscan frame and let the attached window take care of
3534            // positioning its content appropriately.
3535            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
3536                // Set the content frame of the attached window to the parent's decor frame
3537                // (same as content frame when IME isn't present) if specifically requested by
3538                // setting {@link WindowManager.LayoutParams#FLAG_LAYOUT_ATTACHED_IN_DECOR} flag.
3539                // Otherwise, use the overscan frame.
3540                cf.set((fl & FLAG_LAYOUT_ATTACHED_IN_DECOR) != 0
3541                        ? attached.getContentFrameLw() : attached.getOverscanFrameLw());
3542            } else {
3543                // If the window is resizing, then we want to base the content
3544                // frame on our attached content frame to resize...  however,
3545                // things can be tricky if the attached window is NOT in resize
3546                // mode, in which case its content frame will be larger.
3547                // Ungh.  So to deal with that, make sure the content frame
3548                // we end up using is not covering the IM dock.
3549                cf.set(attached.getContentFrameLw());
3550                if (attached.isVoiceInteraction()) {
3551                    if (cf.left < mVoiceContentLeft) cf.left = mVoiceContentLeft;
3552                    if (cf.top < mVoiceContentTop) cf.top = mVoiceContentTop;
3553                    if (cf.right > mVoiceContentRight) cf.right = mVoiceContentRight;
3554                    if (cf.bottom > mVoiceContentBottom) cf.bottom = mVoiceContentBottom;
3555                } else if (attached.getSurfaceLayer() < mDockLayer) {
3556                    if (cf.left < mContentLeft) cf.left = mContentLeft;
3557                    if (cf.top < mContentTop) cf.top = mContentTop;
3558                    if (cf.right > mContentRight) cf.right = mContentRight;
3559                    if (cf.bottom > mContentBottom) cf.bottom = mContentBottom;
3560                }
3561            }
3562            df.set(insetDecors ? attached.getDisplayFrameLw() : cf);
3563            of.set(insetDecors ? attached.getOverscanFrameLw() : cf);
3564            vf.set(attached.getVisibleFrameLw());
3565        }
3566        // The LAYOUT_IN_SCREEN flag is used to determine whether the attached
3567        // window should be positioned relative to its parent or the entire
3568        // screen.
3569        pf.set((fl & FLAG_LAYOUT_IN_SCREEN) == 0
3570                ? attached.getFrameLw() : df);
3571    }
3572
3573    private void applyStableConstraints(int sysui, int fl, Rect r) {
3574        if ((sysui & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3575            // If app is requesting a stable layout, don't let the
3576            // content insets go below the stable values.
3577            if ((fl & FLAG_FULLSCREEN) != 0) {
3578                if (r.left < mStableFullscreenLeft) r.left = mStableFullscreenLeft;
3579                if (r.top < mStableFullscreenTop) r.top = mStableFullscreenTop;
3580                if (r.right > mStableFullscreenRight) r.right = mStableFullscreenRight;
3581                if (r.bottom > mStableFullscreenBottom) r.bottom = mStableFullscreenBottom;
3582            } else {
3583                if (r.left < mStableLeft) r.left = mStableLeft;
3584                if (r.top < mStableTop) r.top = mStableTop;
3585                if (r.right > mStableRight) r.right = mStableRight;
3586                if (r.bottom > mStableBottom) r.bottom = mStableBottom;
3587            }
3588        }
3589    }
3590
3591    /** {@inheritDoc} */
3592    @Override
3593    public void layoutWindowLw(WindowState win, WindowState attached) {
3594        // we've already done the status bar
3595        final WindowManager.LayoutParams attrs = win.getAttrs();
3596        if ((win == mStatusBar && (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) == 0) ||
3597                win == mNavigationBar) {
3598            return;
3599        }
3600        final boolean isDefaultDisplay = win.isDefaultDisplay();
3601        final boolean needsToOffsetInputMethodTarget = isDefaultDisplay &&
3602                (win == mLastInputMethodTargetWindow && mLastInputMethodWindow != null);
3603        if (needsToOffsetInputMethodTarget) {
3604            if (DEBUG_LAYOUT) Slog.i(TAG, "Offset ime target window by the last ime window state");
3605            offsetInputMethodWindowLw(mLastInputMethodWindow);
3606        }
3607
3608        final int fl = PolicyControl.getWindowFlags(win, attrs);
3609        final int sim = attrs.softInputMode;
3610        final int sysUiFl = PolicyControl.getSystemUiVisibility(win, null);
3611
3612        final Rect pf = mTmpParentFrame;
3613        final Rect df = mTmpDisplayFrame;
3614        final Rect of = mTmpOverscanFrame;
3615        final Rect cf = mTmpContentFrame;
3616        final Rect vf = mTmpVisibleFrame;
3617        final Rect dcf = mTmpDecorFrame;
3618        final Rect sf = mTmpStableFrame;
3619        dcf.setEmpty();
3620
3621        final boolean hasNavBar = (isDefaultDisplay && mHasNavigationBar
3622                && mNavigationBar != null && mNavigationBar.isVisibleLw());
3623
3624        final int adjust = sim & SOFT_INPUT_MASK_ADJUST;
3625
3626        if (isDefaultDisplay) {
3627            sf.set(mStableLeft, mStableTop, mStableRight, mStableBottom);
3628        } else {
3629            sf.set(mOverscanLeft, mOverscanTop, mOverscanRight, mOverscanBottom);
3630        }
3631
3632        if (!isDefaultDisplay) {
3633            if (attached != null) {
3634                // If this window is attached to another, our display
3635                // frame is the same as the one we are attached to.
3636                setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
3637            } else {
3638                // Give the window full screen.
3639                pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3640                pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3641                pf.right = df.right = of.right = cf.right
3642                        = mOverscanScreenLeft + mOverscanScreenWidth;
3643                pf.bottom = df.bottom = of.bottom = cf.bottom
3644                        = mOverscanScreenTop + mOverscanScreenHeight;
3645            }
3646        } else  if (attrs.type == TYPE_INPUT_METHOD || attrs.type == TYPE_VOICE_INTERACTION) {
3647            pf.left = df.left = of.left = cf.left = vf.left = mDockLeft;
3648            pf.top = df.top = of.top = cf.top = vf.top = mDockTop;
3649            pf.right = df.right = of.right = cf.right = vf.right = mDockRight;
3650            // IM dock windows layout below the nav bar...
3651            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3652            // ...with content insets above the nav bar
3653            cf.bottom = vf.bottom = mStableBottom;
3654            // IM dock windows always go to the bottom of the screen.
3655            attrs.gravity = Gravity.BOTTOM;
3656            mDockLayer = win.getSurfaceLayer();
3657        } else if (win == mStatusBar && (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
3658            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3659            pf.top = df.top = of.top = mUnrestrictedScreenTop;
3660            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
3661            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight + mUnrestrictedScreenTop;
3662            cf.left = vf.left = mStableLeft;
3663            cf.top = vf.top = mStableTop;
3664            cf.right = vf.right = mStableRight;
3665            vf.bottom = mStableBottom;
3666            cf.bottom = mContentBottom;
3667        } else {
3668
3669            // Default policy decor for the default display
3670            dcf.left = mSystemLeft;
3671            dcf.top = mSystemTop;
3672            dcf.right = mSystemRight;
3673            dcf.bottom = mSystemBottom;
3674            final boolean inheritTranslucentDecor = (attrs.privateFlags
3675                    & WindowManager.LayoutParams.PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR) != 0;
3676            final boolean isAppWindow =
3677                    attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW &&
3678                    attrs.type <= WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
3679            final boolean topAtRest =
3680                    win == mTopFullscreenOpaqueWindowState && !win.isAnimatingLw();
3681            if (isAppWindow && !inheritTranslucentDecor && !topAtRest) {
3682                if ((sysUiFl & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0
3683                        && (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) == 0
3684                        && (fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) == 0
3685                        && (fl & WindowManager.LayoutParams.
3686                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
3687                    // Ensure policy decor includes status bar
3688                    dcf.top = mStableTop;
3689                }
3690                if ((fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) == 0
3691                        && (sysUiFl & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0
3692                        && (fl & WindowManager.LayoutParams.
3693                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
3694                    // Ensure policy decor includes navigation bar
3695                    dcf.bottom = mStableBottom;
3696                    dcf.right = mStableRight;
3697                }
3698            }
3699
3700            if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3701                    == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3702                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle()
3703                            + "): IN_SCREEN, INSET_DECOR");
3704                // This is the case for a normal activity window: we want it
3705                // to cover all of the screen space, and it can take care of
3706                // moving its contents to account for screen decorations that
3707                // intrude into that space.
3708                if (attached != null) {
3709                    // If this window is attached to another, our display
3710                    // frame is the same as the one we are attached to.
3711                    setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
3712                } else {
3713                    if (attrs.type == TYPE_STATUS_BAR_PANEL
3714                            || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
3715                        // Status bar panels are the only windows who can go on top of
3716                        // the status bar.  They are protected by the STATUS_BAR_SERVICE
3717                        // permission, so they have the same privileges as the status
3718                        // bar itself.
3719                        //
3720                        // However, they should still dodge the navigation bar if it exists.
3721
3722                        pf.left = df.left = of.left = hasNavBar
3723                                ? mDockLeft : mUnrestrictedScreenLeft;
3724                        pf.top = df.top = of.top = mUnrestrictedScreenTop;
3725                        pf.right = df.right = of.right = hasNavBar
3726                                ? mRestrictedScreenLeft+mRestrictedScreenWidth
3727                                : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3728                        pf.bottom = df.bottom = of.bottom = hasNavBar
3729                                ? mRestrictedScreenTop+mRestrictedScreenHeight
3730                                : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3731
3732                        if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
3733                                        "Laying out status bar window: (%d,%d - %d,%d)",
3734                                        pf.left, pf.top, pf.right, pf.bottom));
3735                    } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
3736                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
3737                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
3738                        // Asking to layout into the overscan region, so give it that pure
3739                        // unrestricted area.
3740                        pf.left = df.left = of.left = mOverscanScreenLeft;
3741                        pf.top = df.top = of.top = mOverscanScreenTop;
3742                        pf.right = df.right = of.right = mOverscanScreenLeft + mOverscanScreenWidth;
3743                        pf.bottom = df.bottom = of.bottom = mOverscanScreenTop
3744                                + mOverscanScreenHeight;
3745                    } else if (canHideNavigationBar()
3746                            && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
3747                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
3748                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
3749                        // Asking for layout as if the nav bar is hidden, lets the
3750                        // application extend into the unrestricted overscan screen area.  We
3751                        // only do this for application windows to ensure no window that
3752                        // can be above the nav bar can do this.
3753                        pf.left = df.left = mOverscanScreenLeft;
3754                        pf.top = df.top = mOverscanScreenTop;
3755                        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
3756                        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
3757                        // We need to tell the app about where the frame inside the overscan
3758                        // is, so it can inset its content by that amount -- it didn't ask
3759                        // to actually extend itself into the overscan region.
3760                        of.left = mUnrestrictedScreenLeft;
3761                        of.top = mUnrestrictedScreenTop;
3762                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3763                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3764                    } else {
3765                        pf.left = df.left = mRestrictedOverscanScreenLeft;
3766                        pf.top = df.top = mRestrictedOverscanScreenTop;
3767                        pf.right = df.right = mRestrictedOverscanScreenLeft
3768                                + mRestrictedOverscanScreenWidth;
3769                        pf.bottom = df.bottom = mRestrictedOverscanScreenTop
3770                                + mRestrictedOverscanScreenHeight;
3771                        // We need to tell the app about where the frame inside the overscan
3772                        // is, so it can inset its content by that amount -- it didn't ask
3773                        // to actually extend itself into the overscan region.
3774                        of.left = mUnrestrictedScreenLeft;
3775                        of.top = mUnrestrictedScreenTop;
3776                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3777                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3778                    }
3779
3780                    if ((fl & FLAG_FULLSCREEN) == 0) {
3781                        if (win.isVoiceInteraction()) {
3782                            cf.left = mVoiceContentLeft;
3783                            cf.top = mVoiceContentTop;
3784                            cf.right = mVoiceContentRight;
3785                            cf.bottom = mVoiceContentBottom;
3786                        } else {
3787                            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
3788                                cf.left = mDockLeft;
3789                                cf.top = mDockTop;
3790                                cf.right = mDockRight;
3791                                cf.bottom = mDockBottom;
3792                            } else {
3793                                cf.left = mContentLeft;
3794                                cf.top = mContentTop;
3795                                cf.right = mContentRight;
3796                                cf.bottom = mContentBottom;
3797                            }
3798                        }
3799                    } else {
3800                        // Full screen windows are always given a layout that is as if the
3801                        // status bar and other transient decors are gone.  This is to avoid
3802                        // bad states when moving from a window that is not hding the
3803                        // status bar to one that is.
3804                        cf.left = mRestrictedScreenLeft;
3805                        cf.top = mRestrictedScreenTop;
3806                        cf.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
3807                        cf.bottom = mRestrictedScreenTop + mRestrictedScreenHeight;
3808                    }
3809                    applyStableConstraints(sysUiFl, fl, cf);
3810                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
3811                        vf.left = mCurLeft;
3812                        vf.top = mCurTop;
3813                        vf.right = mCurRight;
3814                        vf.bottom = mCurBottom;
3815                    } else {
3816                        vf.set(cf);
3817                    }
3818                }
3819            } else if ((fl & FLAG_LAYOUT_IN_SCREEN) != 0 || (sysUiFl
3820                    & (View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
3821                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION)) != 0) {
3822                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
3823                        "): IN_SCREEN");
3824                // A window that has requested to fill the entire screen just
3825                // gets everything, period.
3826                if (attrs.type == TYPE_STATUS_BAR_PANEL
3827                        || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
3828                    pf.left = df.left = of.left = cf.left = hasNavBar
3829                            ? mDockLeft : mUnrestrictedScreenLeft;
3830                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
3831                    pf.right = df.right = of.right = cf.right = hasNavBar
3832                                        ? mRestrictedScreenLeft+mRestrictedScreenWidth
3833                                        : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3834                    pf.bottom = df.bottom = of.bottom = cf.bottom = hasNavBar
3835                                          ? mRestrictedScreenTop+mRestrictedScreenHeight
3836                                          : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3837                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
3838                                    "Laying out IN_SCREEN status bar window: (%d,%d - %d,%d)",
3839                                    pf.left, pf.top, pf.right, pf.bottom));
3840                } else if (attrs.type == TYPE_NAVIGATION_BAR
3841                        || attrs.type == TYPE_NAVIGATION_BAR_PANEL) {
3842                    // The navigation bar has Real Ultimate Power.
3843                    pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3844                    pf.top = df.top = of.top = mUnrestrictedScreenTop;
3845                    pf.right = df.right = of.right = mUnrestrictedScreenLeft
3846                            + mUnrestrictedScreenWidth;
3847                    pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop
3848                            + mUnrestrictedScreenHeight;
3849                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
3850                                    "Laying out navigation bar window: (%d,%d - %d,%d)",
3851                                    pf.left, pf.top, pf.right, pf.bottom));
3852                } else if ((attrs.type == TYPE_SECURE_SYSTEM_OVERLAY
3853                                || attrs.type == TYPE_BOOT_PROGRESS)
3854                        && ((fl & FLAG_FULLSCREEN) != 0)) {
3855                    // Fullscreen secure system overlays get what they ask for.
3856                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3857                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3858                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
3859                            + mOverscanScreenWidth;
3860                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
3861                            + mOverscanScreenHeight;
3862                } else if (attrs.type == TYPE_BOOT_PROGRESS) {
3863                    // Boot progress screen always covers entire display.
3864                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3865                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3866                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
3867                            + mOverscanScreenWidth;
3868                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
3869                            + mOverscanScreenHeight;
3870                } else if (attrs.type == TYPE_WALLPAPER) {
3871                    // The wallpaper also has Real Ultimate Power, but we want to tell
3872                    // it about the overscan area.
3873                    pf.left = df.left = mOverscanScreenLeft;
3874                    pf.top = df.top = mOverscanScreenTop;
3875                    pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
3876                    pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
3877                    of.left = cf.left = mUnrestrictedScreenLeft;
3878                    of.top = cf.top = mUnrestrictedScreenTop;
3879                    of.right = cf.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3880                    of.bottom = cf.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3881                } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
3882                        && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
3883                        && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
3884                    // Asking to layout into the overscan region, so give it that pure
3885                    // unrestricted area.
3886                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3887                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3888                    pf.right = df.right = of.right = cf.right
3889                            = mOverscanScreenLeft + mOverscanScreenWidth;
3890                    pf.bottom = df.bottom = of.bottom = cf.bottom
3891                            = mOverscanScreenTop + mOverscanScreenHeight;
3892                } else if (canHideNavigationBar()
3893                        && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
3894                        && (attrs.type == TYPE_STATUS_BAR
3895                            || attrs.type == TYPE_TOAST
3896                            || (attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
3897                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW))) {
3898                    // Asking for layout as if the nav bar is hidden, lets the
3899                    // application extend into the unrestricted screen area.  We
3900                    // only do this for application windows (or toasts) to ensure no window that
3901                    // can be above the nav bar can do this.
3902                    // XXX This assumes that an app asking for this will also
3903                    // ask for layout in only content.  We can't currently figure out
3904                    // what the screen would be if only laying out to hide the nav bar.
3905                    pf.left = df.left = of.left = cf.left = mUnrestrictedScreenLeft;
3906                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
3907                    pf.right = df.right = of.right = cf.right = mUnrestrictedScreenLeft
3908                            + mUnrestrictedScreenWidth;
3909                    pf.bottom = df.bottom = of.bottom = cf.bottom = mUnrestrictedScreenTop
3910                            + mUnrestrictedScreenHeight;
3911                } else {
3912                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
3913                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
3914                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
3915                            + mRestrictedScreenWidth;
3916                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
3917                            + mRestrictedScreenHeight;
3918                }
3919
3920                applyStableConstraints(sysUiFl, fl, cf);
3921
3922                if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
3923                    vf.left = mCurLeft;
3924                    vf.top = mCurTop;
3925                    vf.right = mCurRight;
3926                    vf.bottom = mCurBottom;
3927                } else {
3928                    vf.set(cf);
3929                }
3930            } else if (attached != null) {
3931                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
3932                        "): attached to " + attached);
3933                // A child window should be placed inside of the same visible
3934                // frame that its parent had.
3935                setAttachedWindowFrames(win, fl, adjust, attached, false, pf, df, of, cf, vf);
3936            } else {
3937                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
3938                        "): normal window");
3939                // Otherwise, a normal window must be placed inside the content
3940                // of all screen decorations.
3941                if (attrs.type == TYPE_STATUS_BAR_PANEL) {
3942                    // Status bar panels are the only windows who can go on top of
3943                    // the status bar.  They are protected by the STATUS_BAR_SERVICE
3944                    // permission, so they have the same privileges as the status
3945                    // bar itself.
3946                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
3947                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
3948                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
3949                            + mRestrictedScreenWidth;
3950                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
3951                            + mRestrictedScreenHeight;
3952                } else if (attrs.type == TYPE_TOAST || attrs.type == TYPE_SYSTEM_ALERT
3953                        || attrs.type == TYPE_VOLUME_OVERLAY) {
3954                    // These dialogs are stable to interim decor changes.
3955                    pf.left = df.left = of.left = cf.left = mStableLeft;
3956                    pf.top = df.top = of.top = cf.top = mStableTop;
3957                    pf.right = df.right = of.right = cf.right = mStableRight;
3958                    pf.bottom = df.bottom = of.bottom = cf.bottom = mStableBottom;
3959                } else {
3960                    pf.left = mContentLeft;
3961                    pf.top = mContentTop;
3962                    pf.right = mContentRight;
3963                    pf.bottom = mContentBottom;
3964                    if (win.isVoiceInteraction()) {
3965                        df.left = of.left = cf.left = mVoiceContentLeft;
3966                        df.top = of.top = cf.top = mVoiceContentTop;
3967                        df.right = of.right = cf.right = mVoiceContentRight;
3968                        df.bottom = of.bottom = cf.bottom = mVoiceContentBottom;
3969                    } else if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
3970                        df.left = of.left = cf.left = mDockLeft;
3971                        df.top = of.top = cf.top = mDockTop;
3972                        df.right = of.right = cf.right = mDockRight;
3973                        df.bottom = of.bottom = cf.bottom = mDockBottom;
3974                    } else {
3975                        df.left = of.left = cf.left = mContentLeft;
3976                        df.top = of.top = cf.top = mContentTop;
3977                        df.right = of.right = cf.right = mContentRight;
3978                        df.bottom = of.bottom = cf.bottom = mContentBottom;
3979                    }
3980                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
3981                        vf.left = mCurLeft;
3982                        vf.top = mCurTop;
3983                        vf.right = mCurRight;
3984                        vf.bottom = mCurBottom;
3985                    } else {
3986                        vf.set(cf);
3987                    }
3988                }
3989            }
3990        }
3991
3992        // TYPE_SYSTEM_ERROR is above the NavigationBar so it can't be allowed to extend over it.
3993        if ((fl & FLAG_LAYOUT_NO_LIMITS) != 0 && attrs.type != TYPE_SYSTEM_ERROR) {
3994            df.left = df.top = -10000;
3995            df.right = df.bottom = 10000;
3996            if (attrs.type != TYPE_WALLPAPER) {
3997                of.left = of.top = cf.left = cf.top = vf.left = vf.top = -10000;
3998                of.right = of.bottom = cf.right = cf.bottom = vf.right = vf.bottom = 10000;
3999            }
4000        }
4001
4002        if (DEBUG_LAYOUT) Slog.v(TAG, "Compute frame " + attrs.getTitle()
4003                + ": sim=#" + Integer.toHexString(sim)
4004                + " attach=" + attached + " type=" + attrs.type
4005                + String.format(" flags=0x%08x", fl)
4006                + " pf=" + pf.toShortString() + " df=" + df.toShortString()
4007                + " of=" + of.toShortString()
4008                + " cf=" + cf.toShortString() + " vf=" + vf.toShortString()
4009                + " dcf=" + dcf.toShortString()
4010                + " sf=" + sf.toShortString());
4011
4012        win.computeFrameLw(pf, df, of, cf, vf, dcf, sf);
4013
4014        // Dock windows carve out the bottom of the screen, so normal windows
4015        // can't appear underneath them.
4016        if (attrs.type == TYPE_INPUT_METHOD && win.isVisibleOrBehindKeyguardLw()
4017                && !win.getGivenInsetsPendingLw()) {
4018            setLastInputMethodWindowLw(null, null);
4019            offsetInputMethodWindowLw(win);
4020        }
4021        if (attrs.type == TYPE_VOICE_INTERACTION && win.isVisibleOrBehindKeyguardLw()
4022                && !win.getGivenInsetsPendingLw()) {
4023            offsetVoiceInputWindowLw(win);
4024        }
4025    }
4026
4027    private void offsetInputMethodWindowLw(WindowState win) {
4028        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4029        top += win.getGivenContentInsetsLw().top;
4030        if (mContentBottom > top) {
4031            mContentBottom = top;
4032        }
4033        if (mVoiceContentBottom > top) {
4034            mVoiceContentBottom = top;
4035        }
4036        top = win.getVisibleFrameLw().top;
4037        top += win.getGivenVisibleInsetsLw().top;
4038        if (mCurBottom > top) {
4039            mCurBottom = top;
4040        }
4041        if (DEBUG_LAYOUT) Slog.v(TAG, "Input method: mDockBottom="
4042                + mDockBottom + " mContentBottom="
4043                + mContentBottom + " mCurBottom=" + mCurBottom);
4044    }
4045
4046    private void offsetVoiceInputWindowLw(WindowState win) {
4047        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4048        top += win.getGivenContentInsetsLw().top;
4049        if (mVoiceContentBottom > top) {
4050            mVoiceContentBottom = top;
4051        }
4052    }
4053
4054    /** {@inheritDoc} */
4055    @Override
4056    public void finishLayoutLw() {
4057        return;
4058    }
4059
4060    /** {@inheritDoc} */
4061    @Override
4062    public void beginPostLayoutPolicyLw(int displayWidth, int displayHeight) {
4063        mTopFullscreenOpaqueWindowState = null;
4064        mTopFullscreenOpaqueOrDimmingWindowState = null;
4065        mAppsToBeHidden.clear();
4066        mAppsThatDismissKeyguard.clear();
4067        mForceStatusBar = false;
4068        mForceStatusBarFromKeyguard = false;
4069        mForcingShowNavBar = false;
4070        mForcingShowNavBarLayer = -1;
4071
4072        mHideLockScreen = false;
4073        mAllowLockscreenWhenOn = false;
4074        mDismissKeyguard = DISMISS_KEYGUARD_NONE;
4075        mShowingLockscreen = false;
4076        mShowingDream = false;
4077        mWinShowWhenLocked = null;
4078        mKeyguardSecure = isKeyguardSecure();
4079        mKeyguardSecureIncludingHidden = mKeyguardSecure
4080                && (mKeyguardDelegate != null && mKeyguardDelegate.isShowing());
4081    }
4082
4083    /** {@inheritDoc} */
4084    @Override
4085    public void applyPostLayoutPolicyLw(WindowState win, WindowManager.LayoutParams attrs) {
4086        if (DEBUG_LAYOUT) Slog.i(TAG, "Win " + win + ": isVisibleOrBehindKeyguardLw="
4087                + win.isVisibleOrBehindKeyguardLw());
4088        final int fl = PolicyControl.getWindowFlags(win, attrs);
4089        if (mTopFullscreenOpaqueWindowState == null
4090                && win.isVisibleLw() && attrs.type == TYPE_INPUT_METHOD) {
4091            mForcingShowNavBar = true;
4092            mForcingShowNavBarLayer = win.getSurfaceLayer();
4093        }
4094        if (attrs.type == TYPE_STATUS_BAR && (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4095            mForceStatusBarFromKeyguard = true;
4096        }
4097        if (mTopFullscreenOpaqueWindowState == null &&
4098                win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()) {
4099            if ((fl & FLAG_FORCE_NOT_FULLSCREEN) != 0) {
4100                if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4101                    mForceStatusBarFromKeyguard = true;
4102                } else {
4103                    mForceStatusBar = true;
4104                }
4105            }
4106            if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4107                mShowingLockscreen = true;
4108            }
4109            boolean appWindow = attrs.type >= FIRST_APPLICATION_WINDOW
4110                    && attrs.type < FIRST_SYSTEM_WINDOW;
4111            if (attrs.type == TYPE_DREAM) {
4112                // If the lockscreen was showing when the dream started then wait
4113                // for the dream to draw before hiding the lockscreen.
4114                if (!mDreamingLockscreen
4115                        || (win.isVisibleLw() && win.hasDrawnLw())) {
4116                    mShowingDream = true;
4117                    appWindow = true;
4118                }
4119            }
4120
4121            final boolean showWhenLocked = (fl & FLAG_SHOW_WHEN_LOCKED) != 0;
4122            final boolean dismissKeyguard = (fl & FLAG_DISMISS_KEYGUARD) != 0;
4123            if (appWindow) {
4124                final IApplicationToken appToken = win.getAppToken();
4125                if (showWhenLocked) {
4126                    // Remove any previous windows with the same appToken.
4127                    mAppsToBeHidden.remove(appToken);
4128                    mAppsThatDismissKeyguard.remove(appToken);
4129                    if (mAppsToBeHidden.isEmpty()) {
4130                        if (dismissKeyguard && !mKeyguardSecure) {
4131                            mAppsThatDismissKeyguard.add(appToken);
4132                        } else {
4133                            mWinShowWhenLocked = win;
4134                            mHideLockScreen = true;
4135                            mForceStatusBarFromKeyguard = false;
4136                        }
4137                    }
4138                } else if (dismissKeyguard) {
4139                    if (mKeyguardSecure) {
4140                        mAppsToBeHidden.add(appToken);
4141                    } else {
4142                        mAppsToBeHidden.remove(appToken);
4143                    }
4144                    mAppsThatDismissKeyguard.add(appToken);
4145                } else {
4146                    mAppsToBeHidden.add(appToken);
4147                }
4148                if (attrs.x == 0 && attrs.y == 0
4149                        && attrs.width == WindowManager.LayoutParams.MATCH_PARENT
4150                        && attrs.height == WindowManager.LayoutParams.MATCH_PARENT) {
4151                    if (DEBUG_LAYOUT) Slog.v(TAG, "Fullscreen window: " + win);
4152                    mTopFullscreenOpaqueWindowState = win;
4153                    if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
4154                        mTopFullscreenOpaqueOrDimmingWindowState = win;
4155                    }
4156                    if (!mAppsThatDismissKeyguard.isEmpty() &&
4157                            mDismissKeyguard == DISMISS_KEYGUARD_NONE) {
4158                        if (DEBUG_LAYOUT) Slog.v(TAG,
4159                                "Setting mDismissKeyguard true by win " + win);
4160                        mDismissKeyguard = mWinDismissingKeyguard == win ?
4161                                DISMISS_KEYGUARD_CONTINUE : DISMISS_KEYGUARD_START;
4162                        mWinDismissingKeyguard = win;
4163                        mForceStatusBarFromKeyguard = mShowingLockscreen && mKeyguardSecure;
4164                    } else if (mAppsToBeHidden.isEmpty() && showWhenLocked) {
4165                        if (DEBUG_LAYOUT) Slog.v(TAG,
4166                                "Setting mHideLockScreen to true by win " + win);
4167                        mHideLockScreen = true;
4168                        mForceStatusBarFromKeyguard = false;
4169                    }
4170                    if ((fl & FLAG_ALLOW_LOCK_WHILE_SCREEN_ON) != 0) {
4171                        mAllowLockscreenWhenOn = true;
4172                    }
4173                }
4174
4175                if (mWinShowWhenLocked != null &&
4176                        mWinShowWhenLocked.getAppToken() != win.getAppToken()) {
4177                    win.hideLw(false);
4178                }
4179            }
4180        }
4181        if (mTopFullscreenOpaqueOrDimmingWindowState == null
4182                && win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()
4183                && win.isDimming()) {
4184            mTopFullscreenOpaqueOrDimmingWindowState = win;
4185        }
4186    }
4187
4188    /** {@inheritDoc} */
4189    @Override
4190    public int finishPostLayoutPolicyLw() {
4191        if (mWinShowWhenLocked != null &&
4192                mWinShowWhenLocked != mTopFullscreenOpaqueWindowState) {
4193            // A dialog is dismissing the keyguard. Put the wallpaper behind it and hide the
4194            // fullscreen window.
4195            // TODO: Make sure FLAG_SHOW_WALLPAPER is restored when dialog is dismissed. Or not.
4196            mWinShowWhenLocked.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
4197            mTopFullscreenOpaqueWindowState.hideLw(false);
4198            mTopFullscreenOpaqueWindowState = mWinShowWhenLocked;
4199        }
4200
4201        int changes = 0;
4202        boolean topIsFullscreen = false;
4203
4204        final WindowManager.LayoutParams lp = (mTopFullscreenOpaqueWindowState != null)
4205                ? mTopFullscreenOpaqueWindowState.getAttrs()
4206                : null;
4207
4208        // If we are not currently showing a dream then remember the current
4209        // lockscreen state.  We will use this to determine whether the dream
4210        // started while the lockscreen was showing and remember this state
4211        // while the dream is showing.
4212        if (!mShowingDream) {
4213            mDreamingLockscreen = mShowingLockscreen;
4214        }
4215
4216        if (mStatusBar != null) {
4217            if (DEBUG_LAYOUT) Slog.i(TAG, "force=" + mForceStatusBar
4218                    + " forcefkg=" + mForceStatusBarFromKeyguard
4219                    + " top=" + mTopFullscreenOpaqueWindowState);
4220            if (mForceStatusBar || mForceStatusBarFromKeyguard) {
4221                if (DEBUG_LAYOUT) Slog.v(TAG, "Showing status bar: forced");
4222                if (mStatusBarController.setBarShowingLw(true)) {
4223                    changes |= FINISH_LAYOUT_REDO_LAYOUT;
4224                }
4225                // Maintain fullscreen layout until incoming animation is complete.
4226                topIsFullscreen = mTopIsFullscreen && mStatusBar.isAnimatingLw();
4227                // Transient status bar on the lockscreen is not allowed
4228                if (mForceStatusBarFromKeyguard && mStatusBarController.isTransientShowing()) {
4229                    mStatusBarController.updateVisibilityLw(false /*transientAllowed*/,
4230                            mLastSystemUiFlags, mLastSystemUiFlags);
4231                }
4232            } else if (mTopFullscreenOpaqueWindowState != null) {
4233                final int fl = PolicyControl.getWindowFlags(null, lp);
4234                if (localLOGV) {
4235                    Slog.d(TAG, "frame: " + mTopFullscreenOpaqueWindowState.getFrameLw()
4236                            + " shown frame: " + mTopFullscreenOpaqueWindowState.getShownFrameLw());
4237                    Slog.d(TAG, "attr: " + mTopFullscreenOpaqueWindowState.getAttrs()
4238                            + " lp.flags=0x" + Integer.toHexString(fl));
4239                }
4240                topIsFullscreen = (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0
4241                        || (mLastSystemUiFlags & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
4242                // The subtle difference between the window for mTopFullscreenOpaqueWindowState
4243                // and mTopIsFullscreen is that mTopIsFullscreen is set only if the window
4244                // has the FLAG_FULLSCREEN set.  Not sure if there is another way that to be the
4245                // case though.
4246                if (mStatusBarController.isTransientShowing()) {
4247                    if (mStatusBarController.setBarShowingLw(true)) {
4248                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4249                    }
4250                } else if (topIsFullscreen) {
4251                    if (DEBUG_LAYOUT) Slog.v(TAG, "** HIDING status bar");
4252                    if (mStatusBarController.setBarShowingLw(false)) {
4253                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4254                    } else {
4255                        if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar already hiding");
4256                    }
4257                } else {
4258                    if (DEBUG_LAYOUT) Slog.v(TAG, "** SHOWING status bar: top is not fullscreen");
4259                    if (mStatusBarController.setBarShowingLw(true)) {
4260                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
4261                    }
4262                }
4263            }
4264        }
4265
4266        if (mTopIsFullscreen != topIsFullscreen) {
4267            if (!topIsFullscreen) {
4268                // Force another layout when status bar becomes fully shown.
4269                changes |= FINISH_LAYOUT_REDO_LAYOUT;
4270            }
4271            mTopIsFullscreen = topIsFullscreen;
4272        }
4273
4274        // Hide the key guard if a visible window explicitly specifies that it wants to be
4275        // displayed when the screen is locked.
4276        if (mKeyguardDelegate != null && mStatusBar != null) {
4277            if (localLOGV) Slog.v(TAG, "finishPostLayoutPolicyLw: mHideKeyguard="
4278                    + mHideLockScreen);
4279            if (mDismissKeyguard != DISMISS_KEYGUARD_NONE && !mKeyguardSecure) {
4280                mKeyguardHidden = true;
4281                if (setKeyguardOccludedLw(true)) {
4282                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4283                            | FINISH_LAYOUT_REDO_CONFIG
4284                            | FINISH_LAYOUT_REDO_WALLPAPER;
4285                }
4286                if (mKeyguardDelegate.isShowing()) {
4287                    mHandler.post(new Runnable() {
4288                        @Override
4289                        public void run() {
4290                            mKeyguardDelegate.keyguardDone(false, false);
4291                        }
4292                    });
4293                }
4294            } else if (mHideLockScreen) {
4295                mKeyguardHidden = true;
4296                if (setKeyguardOccludedLw(true)) {
4297                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4298                            | FINISH_LAYOUT_REDO_CONFIG
4299                            | FINISH_LAYOUT_REDO_WALLPAPER;
4300                }
4301            } else if (mDismissKeyguard != DISMISS_KEYGUARD_NONE) {
4302                // This is the case of keyguard isSecure() and not mHideLockScreen.
4303                if (mDismissKeyguard == DISMISS_KEYGUARD_START) {
4304                    // Only launch the next keyguard unlock window once per window.
4305                    mKeyguardHidden = false;
4306                    if (setKeyguardOccludedLw(false)) {
4307                        changes |= FINISH_LAYOUT_REDO_LAYOUT
4308                                | FINISH_LAYOUT_REDO_CONFIG
4309                                | FINISH_LAYOUT_REDO_WALLPAPER;
4310                    }
4311                    mHandler.post(new Runnable() {
4312                        @Override
4313                        public void run() {
4314                            mKeyguardDelegate.dismiss();
4315                        }
4316                    });
4317                }
4318            } else {
4319                mWinDismissingKeyguard = null;
4320                mKeyguardHidden = false;
4321                if (setKeyguardOccludedLw(false)) {
4322                    changes |= FINISH_LAYOUT_REDO_LAYOUT
4323                            | FINISH_LAYOUT_REDO_CONFIG
4324                            | FINISH_LAYOUT_REDO_WALLPAPER;
4325                }
4326            }
4327        }
4328
4329        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
4330            // If the navigation bar has been hidden or shown, we need to do another
4331            // layout pass to update that window.
4332            changes |= FINISH_LAYOUT_REDO_LAYOUT;
4333        }
4334
4335        // update since mAllowLockscreenWhenOn might have changed
4336        updateLockScreenTimeout();
4337        return changes;
4338    }
4339
4340    /**
4341     * Updates the occluded state of the Keyguard.
4342     *
4343     * @return Whether the flags have changed and we have to redo the layout.
4344     */
4345    private boolean setKeyguardOccludedLw(boolean isOccluded) {
4346        boolean wasOccluded = mKeyguardOccluded;
4347        boolean showing = mKeyguardDelegate.isShowing();
4348        if (wasOccluded && !isOccluded && showing) {
4349            mKeyguardOccluded = false;
4350            mKeyguardDelegate.setOccluded(false);
4351            mStatusBar.getAttrs().privateFlags |= PRIVATE_FLAG_KEYGUARD;
4352            mStatusBar.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
4353            return true;
4354        } else if (!wasOccluded && isOccluded && showing) {
4355            mKeyguardOccluded = true;
4356            mKeyguardDelegate.setOccluded(true);
4357            mStatusBar.getAttrs().privateFlags &= ~PRIVATE_FLAG_KEYGUARD;
4358            mStatusBar.getAttrs().flags &= ~FLAG_SHOW_WALLPAPER;
4359            return true;
4360        } else {
4361            return false;
4362        }
4363    }
4364
4365    private boolean isStatusBarKeyguard() {
4366        return mStatusBar != null
4367                && (mStatusBar.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
4368    }
4369
4370    @Override
4371    public boolean allowAppAnimationsLw() {
4372        if (isStatusBarKeyguard() || mShowingDream) {
4373            // If keyguard or dreams is currently visible, no reason to animate behind it.
4374            return false;
4375        }
4376        return true;
4377    }
4378
4379    @Override
4380    public int focusChangedLw(WindowState lastFocus, WindowState newFocus) {
4381        mFocusedWindow = newFocus;
4382        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
4383            // If the navigation bar has been hidden or shown, we need to do another
4384            // layout pass to update that window.
4385            return FINISH_LAYOUT_REDO_LAYOUT;
4386        }
4387        return 0;
4388    }
4389
4390    /** {@inheritDoc} */
4391    @Override
4392    public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
4393        // lid changed state
4394        final int newLidState = lidOpen ? LID_OPEN : LID_CLOSED;
4395        if (newLidState == mLidState) {
4396            return;
4397        }
4398
4399        mLidState = newLidState;
4400        applyLidSwitchState();
4401        updateRotation(true);
4402
4403        if (lidOpen) {
4404            wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromLidSwitch);
4405        } else if (!mLidControlsSleep) {
4406            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
4407        }
4408    }
4409
4410    @Override
4411    public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) {
4412        int lensCoverState = lensCovered ? CAMERA_LENS_COVERED : CAMERA_LENS_UNCOVERED;
4413        if (mCameraLensCoverState == lensCoverState) {
4414            return;
4415        }
4416        if (mCameraLensCoverState == CAMERA_LENS_COVERED &&
4417                lensCoverState == CAMERA_LENS_UNCOVERED) {
4418            Intent intent;
4419            final boolean keyguardActive = mKeyguardDelegate == null ? false :
4420                    mKeyguardDelegate.isShowing();
4421            if (keyguardActive) {
4422                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);
4423            } else {
4424                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
4425            }
4426            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromCameraLens);
4427            startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
4428        }
4429        mCameraLensCoverState = lensCoverState;
4430    }
4431
4432    void setHdmiPlugged(boolean plugged) {
4433        if (mHdmiPlugged != plugged) {
4434            mHdmiPlugged = plugged;
4435            updateRotation(true, true);
4436            Intent intent = new Intent(ACTION_HDMI_PLUGGED);
4437            intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
4438            intent.putExtra(EXTRA_HDMI_PLUGGED_STATE, plugged);
4439            mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
4440        }
4441    }
4442
4443    void initializeHdmiState() {
4444        boolean plugged = false;
4445        // watch for HDMI plug messages if the hdmi switch exists
4446        if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
4447            mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
4448
4449            final String filename = "/sys/class/switch/hdmi/state";
4450            FileReader reader = null;
4451            try {
4452                reader = new FileReader(filename);
4453                char[] buf = new char[15];
4454                int n = reader.read(buf);
4455                if (n > 1) {
4456                    plugged = 0 != Integer.parseInt(new String(buf, 0, n-1));
4457                }
4458            } catch (IOException ex) {
4459                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
4460            } catch (NumberFormatException ex) {
4461                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
4462            } finally {
4463                if (reader != null) {
4464                    try {
4465                        reader.close();
4466                    } catch (IOException ex) {
4467                    }
4468                }
4469            }
4470        }
4471        // This dance forces the code in setHdmiPlugged to run.
4472        // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
4473        mHdmiPlugged = !plugged;
4474        setHdmiPlugged(!mHdmiPlugged);
4475    }
4476
4477    final Object mScreenshotLock = new Object();
4478    ServiceConnection mScreenshotConnection = null;
4479
4480    final Runnable mScreenshotTimeout = new Runnable() {
4481        @Override public void run() {
4482            synchronized (mScreenshotLock) {
4483                if (mScreenshotConnection != null) {
4484                    mContext.unbindService(mScreenshotConnection);
4485                    mScreenshotConnection = null;
4486                }
4487            }
4488        }
4489    };
4490
4491    // Assume this is called from the Handler thread.
4492    private void takeScreenshot() {
4493        synchronized (mScreenshotLock) {
4494            if (mScreenshotConnection != null) {
4495                return;
4496            }
4497            ComponentName cn = new ComponentName("com.android.systemui",
4498                    "com.android.systemui.screenshot.TakeScreenshotService");
4499            Intent intent = new Intent();
4500            intent.setComponent(cn);
4501            ServiceConnection conn = new ServiceConnection() {
4502                @Override
4503                public void onServiceConnected(ComponentName name, IBinder service) {
4504                    synchronized (mScreenshotLock) {
4505                        if (mScreenshotConnection != this) {
4506                            return;
4507                        }
4508                        Messenger messenger = new Messenger(service);
4509                        Message msg = Message.obtain(null, 1);
4510                        final ServiceConnection myConn = this;
4511                        Handler h = new Handler(mHandler.getLooper()) {
4512                            @Override
4513                            public void handleMessage(Message msg) {
4514                                synchronized (mScreenshotLock) {
4515                                    if (mScreenshotConnection == myConn) {
4516                                        mContext.unbindService(mScreenshotConnection);
4517                                        mScreenshotConnection = null;
4518                                        mHandler.removeCallbacks(mScreenshotTimeout);
4519                                    }
4520                                }
4521                            }
4522                        };
4523                        msg.replyTo = new Messenger(h);
4524                        msg.arg1 = msg.arg2 = 0;
4525                        if (mStatusBar != null && mStatusBar.isVisibleLw())
4526                            msg.arg1 = 1;
4527                        if (mNavigationBar != null && mNavigationBar.isVisibleLw())
4528                            msg.arg2 = 1;
4529                        try {
4530                            messenger.send(msg);
4531                        } catch (RemoteException e) {
4532                        }
4533                    }
4534                }
4535                @Override
4536                public void onServiceDisconnected(ComponentName name) {}
4537            };
4538            if (mContext.bindServiceAsUser(
4539                    intent, conn, Context.BIND_AUTO_CREATE, UserHandle.CURRENT)) {
4540                mScreenshotConnection = conn;
4541                mHandler.postDelayed(mScreenshotTimeout, 10000);
4542            }
4543        }
4544    }
4545
4546    /** {@inheritDoc} */
4547    @Override
4548    public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) {
4549        if (!mSystemBooted) {
4550            // If we have not yet booted, don't let key events do anything.
4551            return 0;
4552        }
4553
4554        final boolean interactive = (policyFlags & FLAG_INTERACTIVE) != 0;
4555        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
4556        final boolean canceled = event.isCanceled();
4557        final int keyCode = event.getKeyCode();
4558
4559        final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;
4560
4561        // If screen is off then we treat the case where the keyguard is open but hidden
4562        // the same as if it were open and in front.
4563        // This will prevent any keys other than the power button from waking the screen
4564        // when the keyguard is hidden by another activity.
4565        final boolean keyguardActive = (mKeyguardDelegate == null ? false :
4566                                            (interactive ?
4567                                                isKeyguardShowingAndNotOccluded() :
4568                                                mKeyguardDelegate.isShowing()));
4569
4570        if (DEBUG_INPUT) {
4571            Log.d(TAG, "interceptKeyTq keycode=" + keyCode
4572                    + " interactive=" + interactive + " keyguardActive=" + keyguardActive
4573                    + " policyFlags=" + Integer.toHexString(policyFlags));
4574        }
4575
4576        // Basic policy based on interactive state.
4577        int result;
4578        boolean isWakeKey = (policyFlags & WindowManagerPolicy.FLAG_WAKE) != 0
4579                || event.isWakeKey();
4580        if (interactive || (isInjected && !isWakeKey)) {
4581            // When the device is interactive or the key is injected pass the
4582            // key to the application.
4583            result = ACTION_PASS_TO_USER;
4584            isWakeKey = false;
4585        } else if (!interactive && shouldDispatchInputWhenNonInteractive()) {
4586            // If we're currently dozing with the screen on and the keyguard showing, pass the key
4587            // to the application but preserve its wake key status to make sure we still move
4588            // from dozing to fully interactive if we would normally go from off to fully
4589            // interactive.
4590            result = ACTION_PASS_TO_USER;
4591        } else {
4592            // When the screen is off and the key is not injected, determine whether
4593            // to wake the device but don't pass the key to the application.
4594            result = 0;
4595            if (isWakeKey && (!down || !isWakeKeyWhenScreenOff(keyCode))) {
4596                isWakeKey = false;
4597            }
4598        }
4599
4600        // If the key would be handled globally, just return the result, don't worry about special
4601        // key processing.
4602        if (isValidGlobalKey(keyCode)
4603                && mGlobalKeyManager.shouldHandleGlobalKey(keyCode, event)) {
4604            if (isWakeKey) {
4605                wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey);
4606            }
4607            return result;
4608        }
4609
4610        boolean useHapticFeedback = down
4611                && (policyFlags & WindowManagerPolicy.FLAG_VIRTUAL) != 0
4612                && event.getRepeatCount() == 0;
4613
4614        // Handle special keys.
4615        switch (keyCode) {
4616            case KeyEvent.KEYCODE_VOLUME_DOWN:
4617            case KeyEvent.KEYCODE_VOLUME_UP:
4618            case KeyEvent.KEYCODE_VOLUME_MUTE: {
4619                if (mUseTvRouting) {
4620                    // On TVs volume keys never go to the foreground app
4621                    result &= ~ACTION_PASS_TO_USER;
4622                }
4623                if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
4624                    if (down) {
4625                        if (interactive && !mScreenshotChordVolumeDownKeyTriggered
4626                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
4627                            mScreenshotChordVolumeDownKeyTriggered = true;
4628                            mScreenshotChordVolumeDownKeyTime = event.getDownTime();
4629                            mScreenshotChordVolumeDownKeyConsumed = false;
4630                            cancelPendingPowerKeyAction();
4631                            interceptScreenshotChord();
4632                        }
4633                    } else {
4634                        mScreenshotChordVolumeDownKeyTriggered = false;
4635                        cancelPendingScreenshotChordAction();
4636                    }
4637                } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
4638                    if (down) {
4639                        if (interactive && !mScreenshotChordVolumeUpKeyTriggered
4640                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
4641                            mScreenshotChordVolumeUpKeyTriggered = true;
4642                            cancelPendingPowerKeyAction();
4643                            cancelPendingScreenshotChordAction();
4644                        }
4645                    } else {
4646                        mScreenshotChordVolumeUpKeyTriggered = false;
4647                        cancelPendingScreenshotChordAction();
4648                    }
4649                }
4650                if (down) {
4651                    TelecomManager telecomManager = getTelecommService();
4652                    if (telecomManager != null) {
4653                        if (telecomManager.isRinging()) {
4654                            // If an incoming call is ringing, either VOLUME key means
4655                            // "silence ringer".  We handle these keys here, rather than
4656                            // in the InCallScreen, to make sure we'll respond to them
4657                            // even if the InCallScreen hasn't come to the foreground yet.
4658                            // Look for the DOWN event here, to agree with the "fallback"
4659                            // behavior in the InCallScreen.
4660                            Log.i(TAG, "interceptKeyBeforeQueueing:"
4661                                  + " VOLUME key-down while ringing: Silence ringer!");
4662
4663                            // Silence the ringer.  (It's safe to call this
4664                            // even if the ringer has already been silenced.)
4665                            telecomManager.silenceRinger();
4666
4667                            // And *don't* pass this key thru to the current activity
4668                            // (which is probably the InCallScreen.)
4669                            result &= ~ACTION_PASS_TO_USER;
4670                            break;
4671                        }
4672                        if (telecomManager.isInCall()
4673                                && (result & ACTION_PASS_TO_USER) == 0) {
4674                            // If we are in call but we decided not to pass the key to
4675                            // the application, just pass it to the session service.
4676
4677                            MediaSessionLegacyHelper.getHelper(mContext)
4678                                    .sendVolumeKeyEvent(event, false);
4679                            break;
4680                        }
4681                    }
4682
4683                    if ((result & ACTION_PASS_TO_USER) == 0) {
4684                        if (mUseTvRouting) {
4685                            dispatchDirectAudioEvent(event);
4686                        } else {
4687                            // If we aren't passing to the user and no one else
4688                            // handled it send it to the session manager to
4689                            // figure out.
4690                            MediaSessionLegacyHelper.getHelper(mContext)
4691                                    .sendVolumeKeyEvent(event, true);
4692                        }
4693                        break;
4694                    }
4695                }
4696                break;
4697            }
4698
4699            case KeyEvent.KEYCODE_ENDCALL: {
4700                result &= ~ACTION_PASS_TO_USER;
4701                if (down) {
4702                    TelecomManager telecomManager = getTelecommService();
4703                    boolean hungUp = false;
4704                    if (telecomManager != null) {
4705                        hungUp = telecomManager.endCall();
4706                    }
4707                    if (interactive && !hungUp) {
4708                        mEndCallKeyHandled = false;
4709                        mHandler.postDelayed(mEndCallLongPress,
4710                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
4711                    } else {
4712                        mEndCallKeyHandled = true;
4713                    }
4714                } else {
4715                    if (!mEndCallKeyHandled) {
4716                        mHandler.removeCallbacks(mEndCallLongPress);
4717                        if (!canceled) {
4718                            if ((mEndcallBehavior
4719                                    & Settings.System.END_BUTTON_BEHAVIOR_HOME) != 0) {
4720                                if (goHome()) {
4721                                    break;
4722                                }
4723                            }
4724                            if ((mEndcallBehavior
4725                                    & Settings.System.END_BUTTON_BEHAVIOR_SLEEP) != 0) {
4726                                mPowerManager.goToSleep(event.getEventTime(),
4727                                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
4728                                isWakeKey = false;
4729                            }
4730                        }
4731                    }
4732                }
4733                break;
4734            }
4735
4736            case KeyEvent.KEYCODE_POWER: {
4737                result &= ~ACTION_PASS_TO_USER;
4738                isWakeKey = false; // wake-up will be handled separately
4739                if (down) {
4740                    interceptPowerKeyDown(event, interactive);
4741                } else {
4742                    interceptPowerKeyUp(event, interactive, canceled);
4743                }
4744                break;
4745            }
4746
4747            case KeyEvent.KEYCODE_SLEEP: {
4748                result &= ~ACTION_PASS_TO_USER;
4749                isWakeKey = false;
4750                if (!mPowerManager.isInteractive()) {
4751                    useHapticFeedback = false; // suppress feedback if already non-interactive
4752                }
4753                sleepPress(event);
4754                break;
4755            }
4756
4757            case KeyEvent.KEYCODE_WAKEUP: {
4758                result &= ~ACTION_PASS_TO_USER;
4759                isWakeKey = true;
4760                break;
4761            }
4762
4763            case KeyEvent.KEYCODE_MEDIA_PLAY:
4764            case KeyEvent.KEYCODE_MEDIA_PAUSE:
4765            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
4766            case KeyEvent.KEYCODE_HEADSETHOOK:
4767            case KeyEvent.KEYCODE_MUTE:
4768            case KeyEvent.KEYCODE_MEDIA_STOP:
4769            case KeyEvent.KEYCODE_MEDIA_NEXT:
4770            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
4771            case KeyEvent.KEYCODE_MEDIA_REWIND:
4772            case KeyEvent.KEYCODE_MEDIA_RECORD:
4773            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
4774            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: {
4775                if (MediaSessionLegacyHelper.getHelper(mContext).isGlobalPriorityActive()) {
4776                    // If the global session is active pass all media keys to it
4777                    // instead of the active window.
4778                    result &= ~ACTION_PASS_TO_USER;
4779                }
4780                if ((result & ACTION_PASS_TO_USER) == 0) {
4781                    // Only do this if we would otherwise not pass it to the user. In that
4782                    // case, the PhoneWindow class will do the same thing, except it will
4783                    // only do it if the showing app doesn't process the key on its own.
4784                    // Note that we need to make a copy of the key event here because the
4785                    // original key event will be recycled when we return.
4786                    mBroadcastWakeLock.acquire();
4787                    Message msg = mHandler.obtainMessage(MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK,
4788                            new KeyEvent(event));
4789                    msg.setAsynchronous(true);
4790                    msg.sendToTarget();
4791                }
4792                break;
4793            }
4794
4795            case KeyEvent.KEYCODE_CALL: {
4796                if (down) {
4797                    TelecomManager telecomManager = getTelecommService();
4798                    if (telecomManager != null) {
4799                        if (telecomManager.isRinging()) {
4800                            Log.i(TAG, "interceptKeyBeforeQueueing:"
4801                                  + " CALL key-down while ringing: Answer the call!");
4802                            telecomManager.acceptRingingCall();
4803
4804                            // And *don't* pass this key thru to the current activity
4805                            // (which is presumably the InCallScreen.)
4806                            result &= ~ACTION_PASS_TO_USER;
4807                        }
4808                    }
4809                }
4810                break;
4811            }
4812            case KeyEvent.KEYCODE_VOICE_ASSIST: {
4813                // Only do this if we would otherwise not pass it to the user. In that case,
4814                // interceptKeyBeforeDispatching would apply a similar but different policy in
4815                // order to invoke voice assist actions. Note that we need to make a copy of the
4816                // key event here because the original key event will be recycled when we return.
4817                if ((result & ACTION_PASS_TO_USER) == 0 && !down) {
4818                    mBroadcastWakeLock.acquire();
4819                    Message msg = mHandler.obtainMessage(MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK,
4820                            keyguardActive ? 1 : 0, 0);
4821                    msg.setAsynchronous(true);
4822                    msg.sendToTarget();
4823                }
4824            }
4825        }
4826
4827        if (useHapticFeedback) {
4828            performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
4829        }
4830
4831        if (isWakeKey) {
4832            wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey);
4833        }
4834
4835        return result;
4836    }
4837
4838    /**
4839     * Returns true if the key can have global actions attached to it.
4840     * We reserve all power management keys for the system since they require
4841     * very careful handling.
4842     */
4843    private static boolean isValidGlobalKey(int keyCode) {
4844        switch (keyCode) {
4845            case KeyEvent.KEYCODE_POWER:
4846            case KeyEvent.KEYCODE_WAKEUP:
4847            case KeyEvent.KEYCODE_SLEEP:
4848                return false;
4849            default:
4850                return true;
4851        }
4852    }
4853
4854    /**
4855     * When the screen is off we ignore some keys that might otherwise typically
4856     * be considered wake keys.  We filter them out here.
4857     *
4858     * {@link KeyEvent#KEYCODE_POWER} is notably absent from this list because it
4859     * is always considered a wake key.
4860     */
4861    private boolean isWakeKeyWhenScreenOff(int keyCode) {
4862        switch (keyCode) {
4863            // ignore volume keys unless docked
4864            case KeyEvent.KEYCODE_VOLUME_UP:
4865            case KeyEvent.KEYCODE_VOLUME_DOWN:
4866            case KeyEvent.KEYCODE_VOLUME_MUTE:
4867                return mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;
4868
4869            // ignore media and camera keys
4870            case KeyEvent.KEYCODE_MUTE:
4871            case KeyEvent.KEYCODE_HEADSETHOOK:
4872            case KeyEvent.KEYCODE_MEDIA_PLAY:
4873            case KeyEvent.KEYCODE_MEDIA_PAUSE:
4874            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
4875            case KeyEvent.KEYCODE_MEDIA_STOP:
4876            case KeyEvent.KEYCODE_MEDIA_NEXT:
4877            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
4878            case KeyEvent.KEYCODE_MEDIA_REWIND:
4879            case KeyEvent.KEYCODE_MEDIA_RECORD:
4880            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
4881            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK:
4882            case KeyEvent.KEYCODE_CAMERA:
4883                return false;
4884        }
4885        return true;
4886    }
4887
4888
4889    /** {@inheritDoc} */
4890    @Override
4891    public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) {
4892        if ((policyFlags & FLAG_WAKE) != 0) {
4893            if (wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotion)) {
4894                return 0;
4895            }
4896        }
4897
4898        if (shouldDispatchInputWhenNonInteractive()) {
4899            return ACTION_PASS_TO_USER;
4900        }
4901
4902        // If we have not passed the action up and we are in theater mode without dreaming,
4903        // there will be no dream to intercept the touch and wake into ambient.  The device should
4904        // wake up in this case.
4905        if (isTheaterModeEnabled() && (policyFlags & FLAG_WAKE) != 0) {
4906            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotionWhenNotDreaming);
4907        }
4908
4909        return 0;
4910    }
4911
4912    private boolean shouldDispatchInputWhenNonInteractive() {
4913        // Send events to keyguard while the screen is on.
4914        if (isKeyguardShowingAndNotOccluded() && mDisplay != null
4915                && mDisplay.getState() != Display.STATE_OFF) {
4916            return true;
4917        }
4918
4919        // Send events to a dozing dream even if the screen is off since the dream
4920        // is in control of the state of the screen.
4921        IDreamManager dreamManager = getDreamManager();
4922
4923        try {
4924            if (dreamManager != null && dreamManager.isDreaming()) {
4925                return true;
4926            }
4927        } catch (RemoteException e) {
4928            Slog.e(TAG, "RemoteException when checking if dreaming", e);
4929        }
4930
4931        // Otherwise, consume events since the user can't see what is being
4932        // interacted with.
4933        return false;
4934    }
4935
4936    private void dispatchDirectAudioEvent(KeyEvent event) {
4937        if (event.getAction() != KeyEvent.ACTION_DOWN) {
4938            return;
4939        }
4940        int keyCode = event.getKeyCode();
4941        int flags = AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_PLAY_SOUND
4942                | AudioManager.FLAG_FROM_KEY;
4943        String pkgName = mContext.getOpPackageName();
4944        switch (keyCode) {
4945            case KeyEvent.KEYCODE_VOLUME_UP:
4946                try {
4947                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_RAISE,
4948                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
4949                } catch (RemoteException e) {
4950                    Log.e(TAG, "Error dispatching volume up in dispatchTvAudioEvent.", e);
4951                }
4952                break;
4953            case KeyEvent.KEYCODE_VOLUME_DOWN:
4954                try {
4955                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_LOWER,
4956                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
4957                } catch (RemoteException e) {
4958                    Log.e(TAG, "Error dispatching volume down in dispatchTvAudioEvent.", e);
4959                }
4960                break;
4961            case KeyEvent.KEYCODE_VOLUME_MUTE:
4962                try {
4963                    if (event.getRepeatCount() == 0) {
4964                        getAudioService().adjustSuggestedStreamVolume(
4965                                AudioManager.ADJUST_TOGGLE_MUTE,
4966                                AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
4967                    }
4968                } catch (RemoteException e) {
4969                    Log.e(TAG, "Error dispatching mute in dispatchTvAudioEvent.", e);
4970                }
4971                break;
4972        }
4973    }
4974
4975    void dispatchMediaKeyWithWakeLock(KeyEvent event) {
4976        if (DEBUG_INPUT) {
4977            Slog.d(TAG, "dispatchMediaKeyWithWakeLock: " + event);
4978        }
4979
4980        if (mHavePendingMediaKeyRepeatWithWakeLock) {
4981            if (DEBUG_INPUT) {
4982                Slog.d(TAG, "dispatchMediaKeyWithWakeLock: canceled repeat");
4983            }
4984
4985            mHandler.removeMessages(MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK);
4986            mHavePendingMediaKeyRepeatWithWakeLock = false;
4987            mBroadcastWakeLock.release(); // pending repeat was holding onto the wake lock
4988        }
4989
4990        dispatchMediaKeyWithWakeLockToAudioService(event);
4991
4992        if (event.getAction() == KeyEvent.ACTION_DOWN
4993                && event.getRepeatCount() == 0) {
4994            mHavePendingMediaKeyRepeatWithWakeLock = true;
4995
4996            Message msg = mHandler.obtainMessage(
4997                    MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK, event);
4998            msg.setAsynchronous(true);
4999            mHandler.sendMessageDelayed(msg, ViewConfiguration.getKeyRepeatTimeout());
5000        } else {
5001            mBroadcastWakeLock.release();
5002        }
5003    }
5004
5005    void dispatchMediaKeyRepeatWithWakeLock(KeyEvent event) {
5006        mHavePendingMediaKeyRepeatWithWakeLock = false;
5007
5008        KeyEvent repeatEvent = KeyEvent.changeTimeRepeat(event,
5009                SystemClock.uptimeMillis(), 1, event.getFlags() | KeyEvent.FLAG_LONG_PRESS);
5010        if (DEBUG_INPUT) {
5011            Slog.d(TAG, "dispatchMediaKeyRepeatWithWakeLock: " + repeatEvent);
5012        }
5013
5014        dispatchMediaKeyWithWakeLockToAudioService(repeatEvent);
5015        mBroadcastWakeLock.release();
5016    }
5017
5018    void dispatchMediaKeyWithWakeLockToAudioService(KeyEvent event) {
5019        if (ActivityManagerNative.isSystemReady()) {
5020            MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(event, true);
5021        }
5022    }
5023
5024    void launchVoiceAssistWithWakeLock(boolean keyguardActive) {
5025        Intent voiceIntent =
5026            new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
5027        voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, keyguardActive);
5028        startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
5029        mBroadcastWakeLock.release();
5030    }
5031
5032    BroadcastReceiver mDockReceiver = new BroadcastReceiver() {
5033        @Override
5034        public void onReceive(Context context, Intent intent) {
5035            if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
5036                mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
5037                        Intent.EXTRA_DOCK_STATE_UNDOCKED);
5038            } else {
5039                try {
5040                    IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
5041                            ServiceManager.getService(Context.UI_MODE_SERVICE));
5042                    mUiMode = uiModeService.getCurrentModeType();
5043                } catch (RemoteException e) {
5044                }
5045            }
5046            updateRotation(true);
5047            synchronized (mLock) {
5048                updateOrientationListenerLp();
5049            }
5050        }
5051    };
5052
5053    BroadcastReceiver mDreamReceiver = new BroadcastReceiver() {
5054        @Override
5055        public void onReceive(Context context, Intent intent) {
5056            if (Intent.ACTION_DREAMING_STARTED.equals(intent.getAction())) {
5057                if (mKeyguardDelegate != null) {
5058                    mKeyguardDelegate.onDreamingStarted();
5059                }
5060            } else if (Intent.ACTION_DREAMING_STOPPED.equals(intent.getAction())) {
5061                if (mKeyguardDelegate != null) {
5062                    mKeyguardDelegate.onDreamingStopped();
5063                }
5064            }
5065        }
5066    };
5067
5068    BroadcastReceiver mMultiuserReceiver = new BroadcastReceiver() {
5069        @Override
5070        public void onReceive(Context context, Intent intent) {
5071            if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) {
5072                // tickle the settings observer: this first ensures that we're
5073                // observing the relevant settings for the newly-active user,
5074                // and then updates our own bookkeeping based on the now-
5075                // current user.
5076                mSettingsObserver.onChange(false);
5077
5078                // force a re-application of focused window sysui visibility.
5079                // the window may never have been shown for this user
5080                // e.g. the keyguard when going through the new-user setup flow
5081                synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5082                    mLastSystemUiFlags = 0;
5083                    updateSystemUiVisibilityLw();
5084                }
5085            }
5086        }
5087    };
5088
5089    private final Runnable mRequestTransientNav = new Runnable() {
5090        @Override
5091        public void run() {
5092            requestTransientBars(mNavigationBar);
5093        }
5094    };
5095
5096    private void requestTransientBars(WindowState swipeTarget) {
5097        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5098            if (!isUserSetupComplete()) {
5099                // Swipe-up for navigation bar is disabled during setup
5100                return;
5101            }
5102            boolean sb = mStatusBarController.checkShowTransientBarLw();
5103            boolean nb = mNavigationBarController.checkShowTransientBarLw();
5104            if (sb || nb) {
5105                // Don't show status bar when swiping on already visible navigation bar
5106                if (!nb && swipeTarget == mNavigationBar) {
5107                    if (DEBUG) Slog.d(TAG, "Not showing transient bar, wrong swipe target");
5108                    return;
5109                }
5110                if (sb) mStatusBarController.showTransient();
5111                if (nb) mNavigationBarController.showTransient();
5112                mImmersiveModeConfirmation.confirmCurrentPrompt();
5113                updateSystemUiVisibilityLw();
5114            }
5115        }
5116    }
5117
5118    // Called on the PowerManager's Notifier thread.
5119    @Override
5120    public void goingToSleep(int why) {
5121        EventLog.writeEvent(70000, 0);
5122        if (DEBUG_WAKEUP) Slog.i(TAG, "Going to sleep...");
5123
5124        // We must get this work done here because the power manager will drop
5125        // the wake lock and let the system suspend once this function returns.
5126        synchronized (mLock) {
5127            mAwake = false;
5128            mKeyguardDrawComplete = false;
5129            updateWakeGestureListenerLp();
5130            updateOrientationListenerLp();
5131            updateLockScreenTimeout();
5132        }
5133
5134        if (mKeyguardDelegate != null) {
5135            mKeyguardDelegate.onScreenTurnedOff(why);
5136        }
5137    }
5138
5139    private void wakeUpFromPowerKey(long eventTime) {
5140        wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey);
5141    }
5142
5143    private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode) {
5144        if (!wakeInTheaterMode && isTheaterModeEnabled()) {
5145            return false;
5146        }
5147
5148        mPowerManager.wakeUp(wakeTime);
5149        return true;
5150    }
5151
5152    // Called on the PowerManager's Notifier thread.
5153    @Override
5154    public void wakingUp() {
5155        EventLog.writeEvent(70000, 1);
5156        if (DEBUG_WAKEUP) Slog.i(TAG, "Waking up...");
5157
5158        // Since goToSleep performs these functions synchronously, we must
5159        // do the same here.  We cannot post this work to a handler because
5160        // that might cause it to become reordered with respect to what
5161        // may happen in a future call to goToSleep.
5162        synchronized (mLock) {
5163            mAwake = true;
5164            mKeyguardDrawComplete = false;
5165            if (mKeyguardDelegate != null) {
5166                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
5167                mHandler.sendEmptyMessageDelayed(MSG_KEYGUARD_DRAWN_TIMEOUT, 1000);
5168            }
5169
5170            updateWakeGestureListenerLp();
5171            updateOrientationListenerLp();
5172            updateLockScreenTimeout();
5173        }
5174
5175        if (mKeyguardDelegate != null) {
5176            mKeyguardDelegate.onScreenTurnedOn(mKeyguardDelegateCallback);
5177            // ... eventually calls finishKeyguardDrawn
5178        } else {
5179            if (DEBUG_WAKEUP) Slog.d(TAG, "null mKeyguardDelegate: setting mKeyguardDrawComplete.");
5180            finishKeyguardDrawn();
5181        }
5182    }
5183
5184    private void finishKeyguardDrawn() {
5185        synchronized (mLock) {
5186            if (!mAwake || mKeyguardDrawComplete) {
5187                return; // spurious
5188            }
5189
5190            mKeyguardDrawComplete = true;
5191            if (mKeyguardDelegate != null) {
5192                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
5193            }
5194        }
5195
5196        finishScreenTurningOn();
5197    }
5198
5199    // Called on the DisplayManager's DisplayPowerController thread.
5200    @Override
5201    public void screenTurnedOff() {
5202        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turned off...");
5203
5204        synchronized (mLock) {
5205            mScreenOnEarly = false;
5206            mScreenOnFully = false;
5207            mWindowManagerDrawComplete = false;
5208            mScreenOnListener = null;
5209            updateOrientationListenerLp();
5210        }
5211    }
5212
5213    // Called on the DisplayManager's DisplayPowerController thread.
5214    @Override
5215    public void screenTurningOn(final ScreenOnListener screenOnListener) {
5216        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turning on...");
5217
5218        synchronized (mLock) {
5219            mScreenOnEarly = true;
5220            mScreenOnFully = false;
5221            mWindowManagerDrawComplete = false;
5222            mScreenOnListener = screenOnListener;
5223            updateOrientationListenerLp();
5224        }
5225
5226        mWindowManagerInternal.waitForAllWindowsDrawn(mWindowManagerDrawCallback,
5227                WAITING_FOR_DRAWN_TIMEOUT);
5228        // ... eventually calls finishWindowsDrawn
5229    }
5230
5231    private void finishWindowsDrawn() {
5232        synchronized (mLock) {
5233            if (!mScreenOnEarly || mWindowManagerDrawComplete) {
5234                return; // spurious
5235            }
5236
5237            mWindowManagerDrawComplete = true;
5238        }
5239
5240        finishScreenTurningOn();
5241    }
5242
5243    private void finishScreenTurningOn() {
5244        final ScreenOnListener listener;
5245        final boolean enableScreen;
5246        synchronized (mLock) {
5247            if (DEBUG_WAKEUP) Slog.d(TAG,
5248                    "finishScreenTurningOn: mAwake=" + mAwake
5249                            + ", mScreenOnEarly=" + mScreenOnEarly
5250                            + ", mScreenOnFully=" + mScreenOnFully
5251                            + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
5252                            + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
5253
5254            if (mScreenOnFully || !mScreenOnEarly || !mWindowManagerDrawComplete
5255                    || (mAwake && !mKeyguardDrawComplete)) {
5256                return; // spurious or not ready yet
5257            }
5258
5259            if (DEBUG_WAKEUP) Slog.i(TAG, "Finished screen turning on...");
5260            listener = mScreenOnListener;
5261            mScreenOnListener = null;
5262            mScreenOnFully = true;
5263
5264            // Remember the first time we draw the keyguard so we know when we're done with
5265            // the main part of booting and can enable the screen and hide boot messages.
5266            if (!mKeyguardDrawnOnce && mAwake) {
5267                mKeyguardDrawnOnce = true;
5268                enableScreen = true;
5269                if (mBootMessageNeedsHiding) {
5270                    mBootMessageNeedsHiding = false;
5271                    hideBootMessages();
5272                }
5273            } else {
5274                enableScreen = false;
5275            }
5276        }
5277
5278        if (listener != null) {
5279            listener.onScreenOn();
5280        }
5281
5282        if (enableScreen) {
5283            try {
5284                mWindowManager.enableScreenIfNeeded();
5285            } catch (RemoteException unhandled) {
5286            }
5287        }
5288    }
5289
5290    private void handleHideBootMessage() {
5291        synchronized (mLock) {
5292            if (!mKeyguardDrawnOnce) {
5293                mBootMessageNeedsHiding = true;
5294                return; // keyguard hasn't drawn the first time yet, not done booting
5295            }
5296        }
5297
5298        if (mBootMsgDialog != null) {
5299            if (DEBUG_WAKEUP) Slog.d(TAG, "handleHideBootMessage: dismissing");
5300            mBootMsgDialog.dismiss();
5301            mBootMsgDialog = null;
5302        }
5303    }
5304
5305    @Override
5306    public boolean isScreenOn() {
5307        return mScreenOnFully;
5308    }
5309
5310    /** {@inheritDoc} */
5311    @Override
5312    public void enableKeyguard(boolean enabled) {
5313        if (mKeyguardDelegate != null) {
5314            mKeyguardDelegate.setKeyguardEnabled(enabled);
5315        }
5316    }
5317
5318    /** {@inheritDoc} */
5319    @Override
5320    public void exitKeyguardSecurely(OnKeyguardExitResult callback) {
5321        if (mKeyguardDelegate != null) {
5322            mKeyguardDelegate.verifyUnlock(callback);
5323        }
5324    }
5325
5326    private boolean isKeyguardShowingAndNotOccluded() {
5327        if (mKeyguardDelegate == null) return false;
5328        return mKeyguardDelegate.isShowing() && !mKeyguardOccluded;
5329    }
5330
5331    /** {@inheritDoc} */
5332    @Override
5333    public boolean isKeyguardLocked() {
5334        return keyguardOn();
5335    }
5336
5337    /** {@inheritDoc} */
5338    @Override
5339    public boolean isKeyguardSecure() {
5340        if (mKeyguardDelegate == null) return false;
5341        return mKeyguardDelegate.isSecure();
5342    }
5343
5344    /** {@inheritDoc} */
5345    @Override
5346    public boolean inKeyguardRestrictedKeyInputMode() {
5347        if (mKeyguardDelegate == null) return false;
5348        return mKeyguardDelegate.isInputRestricted();
5349    }
5350
5351    @Override
5352    public void dismissKeyguardLw() {
5353        if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
5354            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.dismissKeyguardLw");
5355            mHandler.post(new Runnable() {
5356                @Override
5357                public void run() {
5358                    // ask the keyguard to prompt the user to authenticate if necessary
5359                    mKeyguardDelegate.dismiss();
5360                }
5361            });
5362        }
5363    }
5364
5365    public void notifyActivityDrawnForKeyguardLw() {
5366        if (mKeyguardDelegate != null) {
5367            mHandler.post(new Runnable() {
5368                @Override
5369                public void run() {
5370                    mKeyguardDelegate.onActivityDrawn();
5371                }
5372            });
5373        }
5374    }
5375
5376    @Override
5377    public boolean isKeyguardDrawnLw() {
5378        synchronized (mLock) {
5379            return mKeyguardDrawnOnce;
5380        }
5381    }
5382
5383    @Override
5384    public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
5385        if (mKeyguardDelegate != null) {
5386            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.startKeyguardExitAnimation");
5387            mKeyguardDelegate.startKeyguardExitAnimation(startTime, fadeoutDuration);
5388        }
5389    }
5390
5391    void sendCloseSystemWindows() {
5392        PhoneWindow.sendCloseSystemWindows(mContext, null);
5393    }
5394
5395    void sendCloseSystemWindows(String reason) {
5396        PhoneWindow.sendCloseSystemWindows(mContext, reason);
5397    }
5398
5399    @Override
5400    public int rotationForOrientationLw(int orientation, int lastRotation) {
5401        if (false) {
5402            Slog.v(TAG, "rotationForOrientationLw(orient="
5403                        + orientation + ", last=" + lastRotation
5404                        + "); user=" + mUserRotation + " "
5405                        + ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED)
5406                            ? "USER_ROTATION_LOCKED" : "")
5407                        );
5408        }
5409
5410        if (mForceDefaultOrientation) {
5411            return Surface.ROTATION_0;
5412        }
5413
5414        synchronized (mLock) {
5415            int sensorRotation = mOrientationListener.getProposedRotation(); // may be -1
5416            if (sensorRotation < 0) {
5417                sensorRotation = lastRotation;
5418            }
5419
5420            final int preferredRotation;
5421            if (mLidState == LID_OPEN && mLidOpenRotation >= 0) {
5422                // Ignore sensor when lid switch is open and rotation is forced.
5423                preferredRotation = mLidOpenRotation;
5424            } else if (mDockMode == Intent.EXTRA_DOCK_STATE_CAR
5425                    && (mCarDockEnablesAccelerometer || mCarDockRotation >= 0)) {
5426                // Ignore sensor when in car dock unless explicitly enabled.
5427                // This case can override the behavior of NOSENSOR, and can also
5428                // enable 180 degree rotation while docked.
5429                preferredRotation = mCarDockEnablesAccelerometer
5430                        ? sensorRotation : mCarDockRotation;
5431            } else if ((mDockMode == Intent.EXTRA_DOCK_STATE_DESK
5432                    || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
5433                    || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK)
5434                    && (mDeskDockEnablesAccelerometer || mDeskDockRotation >= 0)) {
5435                // Ignore sensor when in desk dock unless explicitly enabled.
5436                // This case can override the behavior of NOSENSOR, and can also
5437                // enable 180 degree rotation while docked.
5438                preferredRotation = mDeskDockEnablesAccelerometer
5439                        ? sensorRotation : mDeskDockRotation;
5440            } else if (mHdmiPlugged && mDemoHdmiRotationLock) {
5441                // Ignore sensor when plugged into HDMI when demo HDMI rotation lock enabled.
5442                // Note that the dock orientation overrides the HDMI orientation.
5443                preferredRotation = mDemoHdmiRotation;
5444            } else if (mHdmiPlugged && mDockMode == Intent.EXTRA_DOCK_STATE_UNDOCKED
5445                    && mUndockedHdmiRotation >= 0) {
5446                // Ignore sensor when plugged into HDMI and an undocked orientation has
5447                // been specified in the configuration (only for legacy devices without
5448                // full multi-display support).
5449                // Note that the dock orientation overrides the HDMI orientation.
5450                preferredRotation = mUndockedHdmiRotation;
5451            } else if (mDemoRotationLock) {
5452                // Ignore sensor when demo rotation lock is enabled.
5453                // Note that the dock orientation and HDMI rotation lock override this.
5454                preferredRotation = mDemoRotation;
5455            } else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {
5456                // Application just wants to remain locked in the last rotation.
5457                preferredRotation = lastRotation;
5458            } else if (!mSupportAutoRotation) {
5459                // If we don't support auto-rotation then bail out here and ignore
5460                // the sensor and any rotation lock settings.
5461                preferredRotation = -1;
5462            } else if ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE
5463                            && (orientation == ActivityInfo.SCREEN_ORIENTATION_USER
5464                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
5465                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
5466                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT
5467                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER))
5468                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
5469                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
5470                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE
5471                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) {
5472                // Otherwise, use sensor only if requested by the application or enabled
5473                // by default for USER or UNSPECIFIED modes.  Does not apply to NOSENSOR.
5474                if (mAllowAllRotations < 0) {
5475                    // Can't read this during init() because the context doesn't
5476                    // have display metrics at that time so we cannot determine
5477                    // tablet vs. phone then.
5478                    mAllowAllRotations = mContext.getResources().getBoolean(
5479                            com.android.internal.R.bool.config_allowAllRotations) ? 1 : 0;
5480                }
5481                if (sensorRotation != Surface.ROTATION_180
5482                        || mAllowAllRotations == 1
5483                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
5484                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER) {
5485                    preferredRotation = sensorRotation;
5486                } else {
5487                    preferredRotation = lastRotation;
5488                }
5489            } else if (mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED
5490                    && orientation != ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
5491                // Apply rotation lock.  Does not apply to NOSENSOR.
5492                // The idea is that the user rotation expresses a weak preference for the direction
5493                // of gravity and as NOSENSOR is never affected by gravity, then neither should
5494                // NOSENSOR be affected by rotation lock (although it will be affected by docks).
5495                preferredRotation = mUserRotation;
5496            } else {
5497                // No overriding preference.
5498                // We will do exactly what the application asked us to do.
5499                preferredRotation = -1;
5500            }
5501
5502            switch (orientation) {
5503                case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
5504                    // Return portrait unless overridden.
5505                    if (isAnyPortrait(preferredRotation)) {
5506                        return preferredRotation;
5507                    }
5508                    return mPortraitRotation;
5509
5510                case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
5511                    // Return landscape unless overridden.
5512                    if (isLandscapeOrSeascape(preferredRotation)) {
5513                        return preferredRotation;
5514                    }
5515                    return mLandscapeRotation;
5516
5517                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
5518                    // Return reverse portrait unless overridden.
5519                    if (isAnyPortrait(preferredRotation)) {
5520                        return preferredRotation;
5521                    }
5522                    return mUpsideDownRotation;
5523
5524                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
5525                    // Return seascape unless overridden.
5526                    if (isLandscapeOrSeascape(preferredRotation)) {
5527                        return preferredRotation;
5528                    }
5529                    return mSeascapeRotation;
5530
5531                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
5532                case ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE:
5533                    // Return either landscape rotation.
5534                    if (isLandscapeOrSeascape(preferredRotation)) {
5535                        return preferredRotation;
5536                    }
5537                    if (isLandscapeOrSeascape(lastRotation)) {
5538                        return lastRotation;
5539                    }
5540                    return mLandscapeRotation;
5541
5542                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
5543                case ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT:
5544                    // Return either portrait rotation.
5545                    if (isAnyPortrait(preferredRotation)) {
5546                        return preferredRotation;
5547                    }
5548                    if (isAnyPortrait(lastRotation)) {
5549                        return lastRotation;
5550                    }
5551                    return mPortraitRotation;
5552
5553                default:
5554                    // For USER, UNSPECIFIED, NOSENSOR, SENSOR and FULL_SENSOR,
5555                    // just return the preferred orientation we already calculated.
5556                    if (preferredRotation >= 0) {
5557                        return preferredRotation;
5558                    }
5559                    return Surface.ROTATION_0;
5560            }
5561        }
5562    }
5563
5564    @Override
5565    public boolean rotationHasCompatibleMetricsLw(int orientation, int rotation) {
5566        switch (orientation) {
5567            case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
5568            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
5569            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
5570                return isAnyPortrait(rotation);
5571
5572            case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
5573            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
5574            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
5575                return isLandscapeOrSeascape(rotation);
5576
5577            default:
5578                return true;
5579        }
5580    }
5581
5582    @Override
5583    public void setRotationLw(int rotation) {
5584        mOrientationListener.setCurrentRotation(rotation);
5585    }
5586
5587    private boolean isLandscapeOrSeascape(int rotation) {
5588        return rotation == mLandscapeRotation || rotation == mSeascapeRotation;
5589    }
5590
5591    private boolean isAnyPortrait(int rotation) {
5592        return rotation == mPortraitRotation || rotation == mUpsideDownRotation;
5593    }
5594
5595    @Override
5596    public int getUserRotationMode() {
5597        return Settings.System.getIntForUser(mContext.getContentResolver(),
5598                Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
5599                        WindowManagerPolicy.USER_ROTATION_FREE :
5600                                WindowManagerPolicy.USER_ROTATION_LOCKED;
5601    }
5602
5603    // User rotation: to be used when all else fails in assigning an orientation to the device
5604    @Override
5605    public void setUserRotationMode(int mode, int rot) {
5606        ContentResolver res = mContext.getContentResolver();
5607
5608        // mUserRotationMode and mUserRotation will be assigned by the content observer
5609        if (mode == WindowManagerPolicy.USER_ROTATION_LOCKED) {
5610            Settings.System.putIntForUser(res,
5611                    Settings.System.USER_ROTATION,
5612                    rot,
5613                    UserHandle.USER_CURRENT);
5614            Settings.System.putIntForUser(res,
5615                    Settings.System.ACCELEROMETER_ROTATION,
5616                    0,
5617                    UserHandle.USER_CURRENT);
5618        } else {
5619            Settings.System.putIntForUser(res,
5620                    Settings.System.ACCELEROMETER_ROTATION,
5621                    1,
5622                    UserHandle.USER_CURRENT);
5623        }
5624    }
5625
5626    @Override
5627    public void setSafeMode(boolean safeMode) {
5628        mSafeMode = safeMode;
5629        performHapticFeedbackLw(null, safeMode
5630                ? HapticFeedbackConstants.SAFE_MODE_ENABLED
5631                : HapticFeedbackConstants.SAFE_MODE_DISABLED, true);
5632    }
5633
5634    static long[] getLongIntArray(Resources r, int resid) {
5635        int[] ar = r.getIntArray(resid);
5636        if (ar == null) {
5637            return null;
5638        }
5639        long[] out = new long[ar.length];
5640        for (int i=0; i<ar.length; i++) {
5641            out[i] = ar[i];
5642        }
5643        return out;
5644    }
5645
5646    /** {@inheritDoc} */
5647    @Override
5648    public void systemReady() {
5649        mKeyguardDelegate = new KeyguardServiceDelegate(mContext);
5650        mKeyguardDelegate.onSystemReady();
5651
5652        readCameraLensCoverState();
5653        updateUiMode();
5654        synchronized (mLock) {
5655            updateOrientationListenerLp();
5656            mSystemReady = true;
5657            mHandler.post(new Runnable() {
5658                @Override
5659                public void run() {
5660                    updateSettings();
5661                }
5662            });
5663        }
5664    }
5665
5666    /** {@inheritDoc} */
5667    @Override
5668    public void systemBooted() {
5669        if (mKeyguardDelegate != null) {
5670            mKeyguardDelegate.bindService(mContext);
5671            mKeyguardDelegate.onBootCompleted();
5672        }
5673        synchronized (mLock) {
5674            mSystemBooted = true;
5675        }
5676        wakingUp();
5677        screenTurningOn(null);
5678    }
5679
5680    ProgressDialog mBootMsgDialog = null;
5681
5682    /** {@inheritDoc} */
5683    @Override
5684    public void showBootMessage(final CharSequence msg, final boolean always) {
5685        mHandler.post(new Runnable() {
5686            @Override public void run() {
5687                if (mBootMsgDialog == null) {
5688                    int theme;
5689                    if (mContext.getPackageManager().hasSystemFeature(
5690                            PackageManager.FEATURE_WATCH)) {
5691                        theme = com.android.internal.R.style.Theme_Micro_Dialog_Alert;
5692                    } else if (mContext.getPackageManager().hasSystemFeature(
5693                            PackageManager.FEATURE_TELEVISION)) {
5694                        theme = com.android.internal.R.style.Theme_Leanback_Dialog_Alert;
5695                    } else {
5696                        theme = 0;
5697                    }
5698
5699                    mBootMsgDialog = new ProgressDialog(mContext, theme) {
5700                        // This dialog will consume all events coming in to
5701                        // it, to avoid it trying to do things too early in boot.
5702                        @Override public boolean dispatchKeyEvent(KeyEvent event) {
5703                            return true;
5704                        }
5705                        @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
5706                            return true;
5707                        }
5708                        @Override public boolean dispatchTouchEvent(MotionEvent ev) {
5709                            return true;
5710                        }
5711                        @Override public boolean dispatchTrackballEvent(MotionEvent ev) {
5712                            return true;
5713                        }
5714                        @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) {
5715                            return true;
5716                        }
5717                        @Override public boolean dispatchPopulateAccessibilityEvent(
5718                                AccessibilityEvent event) {
5719                            return true;
5720                        }
5721                    };
5722                    if (mContext.getPackageManager().isUpgrade()) {
5723                        mBootMsgDialog.setTitle(R.string.android_upgrading_title);
5724                    } else {
5725                        mBootMsgDialog.setTitle(R.string.android_start_title);
5726                    }
5727                    mBootMsgDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
5728                    mBootMsgDialog.setIndeterminate(true);
5729                    mBootMsgDialog.getWindow().setType(
5730                            WindowManager.LayoutParams.TYPE_BOOT_PROGRESS);
5731                    mBootMsgDialog.getWindow().addFlags(
5732                            WindowManager.LayoutParams.FLAG_DIM_BEHIND
5733                            | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
5734                    mBootMsgDialog.getWindow().setDimAmount(1);
5735                    WindowManager.LayoutParams lp = mBootMsgDialog.getWindow().getAttributes();
5736                    lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
5737                    mBootMsgDialog.getWindow().setAttributes(lp);
5738                    mBootMsgDialog.setCancelable(false);
5739                    mBootMsgDialog.show();
5740                }
5741                mBootMsgDialog.setMessage(msg);
5742            }
5743        });
5744    }
5745
5746    /** {@inheritDoc} */
5747    @Override
5748    public void hideBootMessages() {
5749        mHandler.sendEmptyMessage(MSG_HIDE_BOOT_MESSAGE);
5750    }
5751
5752    /** {@inheritDoc} */
5753    @Override
5754    public void userActivity() {
5755        // ***************************************
5756        // NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
5757        // ***************************************
5758        // THIS IS CALLED FROM DEEP IN THE POWER MANAGER
5759        // WITH ITS LOCKS HELD.
5760        //
5761        // This code must be VERY careful about the locks
5762        // it acquires.
5763        // In fact, the current code acquires way too many,
5764        // and probably has lurking deadlocks.
5765
5766        synchronized (mScreenLockTimeout) {
5767            if (mLockScreenTimerActive) {
5768                // reset the timer
5769                mHandler.removeCallbacks(mScreenLockTimeout);
5770                mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
5771            }
5772        }
5773    }
5774
5775    class ScreenLockTimeout implements Runnable {
5776        Bundle options;
5777
5778        @Override
5779        public void run() {
5780            synchronized (this) {
5781                if (localLOGV) Log.v(TAG, "mScreenLockTimeout activating keyguard");
5782                if (mKeyguardDelegate != null) {
5783                    mKeyguardDelegate.doKeyguardTimeout(options);
5784                }
5785                mLockScreenTimerActive = false;
5786                options = null;
5787            }
5788        }
5789
5790        public void setLockOptions(Bundle options) {
5791            this.options = options;
5792        }
5793    }
5794
5795    ScreenLockTimeout mScreenLockTimeout = new ScreenLockTimeout();
5796
5797    @Override
5798    public void lockNow(Bundle options) {
5799        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);
5800        mHandler.removeCallbacks(mScreenLockTimeout);
5801        if (options != null) {
5802            // In case multiple calls are made to lockNow, we don't wipe out the options
5803            // until the runnable actually executes.
5804            mScreenLockTimeout.setLockOptions(options);
5805        }
5806        mHandler.post(mScreenLockTimeout);
5807    }
5808
5809    private void updateLockScreenTimeout() {
5810        synchronized (mScreenLockTimeout) {
5811            boolean enable = (mAllowLockscreenWhenOn && mAwake &&
5812                    mKeyguardDelegate != null && mKeyguardDelegate.isSecure());
5813            if (mLockScreenTimerActive != enable) {
5814                if (enable) {
5815                    if (localLOGV) Log.v(TAG, "setting lockscreen timer");
5816                    mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
5817                } else {
5818                    if (localLOGV) Log.v(TAG, "clearing lockscreen timer");
5819                    mHandler.removeCallbacks(mScreenLockTimeout);
5820                }
5821                mLockScreenTimerActive = enable;
5822            }
5823        }
5824    }
5825
5826    /** {@inheritDoc} */
5827    @Override
5828    public void enableScreenAfterBoot() {
5829        readLidState();
5830        applyLidSwitchState();
5831        updateRotation(true);
5832    }
5833
5834    private void applyLidSwitchState() {
5835        if (mLidState == LID_CLOSED && mLidControlsSleep) {
5836            mPowerManager.goToSleep(SystemClock.uptimeMillis(),
5837                    PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH,
5838                    PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
5839        }
5840
5841        synchronized (mLock) {
5842            updateWakeGestureListenerLp();
5843        }
5844    }
5845
5846    void updateUiMode() {
5847        if (mUiModeManager == null) {
5848            mUiModeManager = IUiModeManager.Stub.asInterface(
5849                    ServiceManager.getService(Context.UI_MODE_SERVICE));
5850        }
5851        try {
5852            mUiMode = mUiModeManager.getCurrentModeType();
5853        } catch (RemoteException e) {
5854        }
5855    }
5856
5857    void updateRotation(boolean alwaysSendConfiguration) {
5858        try {
5859            //set orientation on WindowManager
5860            mWindowManager.updateRotation(alwaysSendConfiguration, false);
5861        } catch (RemoteException e) {
5862            // Ignore
5863        }
5864    }
5865
5866    void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
5867        try {
5868            //set orientation on WindowManager
5869            mWindowManager.updateRotation(alwaysSendConfiguration, forceRelayout);
5870        } catch (RemoteException e) {
5871            // Ignore
5872        }
5873    }
5874
5875    /**
5876     * Return an Intent to launch the currently active dock app as home.  Returns
5877     * null if the standard home should be launched, which is the case if any of the following is
5878     * true:
5879     * <ul>
5880     *  <li>The device is not in either car mode or desk mode
5881     *  <li>The device is in car mode but ENABLE_CAR_DOCK_HOME_CAPTURE is false
5882     *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
5883     *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
5884     *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
5885     * </ul>
5886     * @return A dock intent.
5887     */
5888    Intent createHomeDockIntent() {
5889        Intent intent = null;
5890
5891        // What home does is based on the mode, not the dock state.  That
5892        // is, when in car mode you should be taken to car home regardless
5893        // of whether we are actually in a car dock.
5894        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
5895            if (ENABLE_CAR_DOCK_HOME_CAPTURE) {
5896                intent = mCarDockIntent;
5897            }
5898        } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
5899            if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
5900                intent = mDeskDockIntent;
5901            }
5902        } else if (mUiMode == Configuration.UI_MODE_TYPE_WATCH
5903                && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
5904                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK
5905                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK)) {
5906            // Always launch dock home from home when watch is docked, if it exists.
5907            intent = mDeskDockIntent;
5908        }
5909
5910        if (intent == null) {
5911            return null;
5912        }
5913
5914        ActivityInfo ai = null;
5915        ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(
5916                intent,
5917                PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_META_DATA,
5918                mCurrentUserId);
5919        if (info != null) {
5920            ai = info.activityInfo;
5921        }
5922        if (ai != null
5923                && ai.metaData != null
5924                && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
5925            intent = new Intent(intent);
5926            intent.setClassName(ai.packageName, ai.name);
5927            return intent;
5928        }
5929
5930        return null;
5931    }
5932
5933    void startDockOrHome(boolean fromHomeKey, boolean awakenFromDreams) {
5934        if (awakenFromDreams) {
5935            awakenDreams();
5936        }
5937
5938        Intent dock = createHomeDockIntent();
5939        if (dock != null) {
5940            try {
5941                if (fromHomeKey) {
5942                    dock.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
5943                }
5944                startActivityAsUser(dock, UserHandle.CURRENT);
5945                return;
5946            } catch (ActivityNotFoundException e) {
5947            }
5948        }
5949
5950        Intent intent;
5951
5952        if (fromHomeKey) {
5953            intent = new Intent(mHomeIntent);
5954            intent.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
5955        } else {
5956            intent = mHomeIntent;
5957        }
5958
5959        startActivityAsUser(intent, UserHandle.CURRENT);
5960    }
5961
5962    /**
5963     * goes to the home screen
5964     * @return whether it did anything
5965     */
5966    boolean goHome() {
5967        if (!isUserSetupComplete()) {
5968            Slog.i(TAG, "Not going home because user setup is in progress.");
5969            return false;
5970        }
5971        if (false) {
5972            // This code always brings home to the front.
5973            try {
5974                ActivityManagerNative.getDefault().stopAppSwitches();
5975            } catch (RemoteException e) {
5976            }
5977            sendCloseSystemWindows();
5978            startDockOrHome(false /*fromHomeKey*/, true /* awakenFromDreams */);
5979        } else {
5980            // This code brings home to the front or, if it is already
5981            // at the front, puts the device to sleep.
5982            try {
5983                if (SystemProperties.getInt("persist.sys.uts-test-mode", 0) == 1) {
5984                    /// Roll back EndcallBehavior as the cupcake design to pass P1 lab entry.
5985                    Log.d(TAG, "UTS-TEST-MODE");
5986                } else {
5987                    ActivityManagerNative.getDefault().stopAppSwitches();
5988                    sendCloseSystemWindows();
5989                    Intent dock = createHomeDockIntent();
5990                    if (dock != null) {
5991                        int result = ActivityManagerNative.getDefault()
5992                                .startActivityAsUser(null, null, dock,
5993                                        dock.resolveTypeIfNeeded(mContext.getContentResolver()),
5994                                        null, null, 0,
5995                                        ActivityManager.START_FLAG_ONLY_IF_NEEDED,
5996                                        null, null, UserHandle.USER_CURRENT);
5997                        if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
5998                            return false;
5999                        }
6000                    }
6001                }
6002                int result = ActivityManagerNative.getDefault()
6003                        .startActivityAsUser(null, null, mHomeIntent,
6004                                mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
6005                                null, null, 0,
6006                                ActivityManager.START_FLAG_ONLY_IF_NEEDED,
6007                                null, null, UserHandle.USER_CURRENT);
6008                if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
6009                    return false;
6010                }
6011            } catch (RemoteException ex) {
6012                // bummer, the activity manager, which is in this process, is dead
6013            }
6014        }
6015        return true;
6016    }
6017
6018    @Override
6019    public void setCurrentOrientationLw(int newOrientation) {
6020        synchronized (mLock) {
6021            if (newOrientation != mCurrentAppOrientation) {
6022                mCurrentAppOrientation = newOrientation;
6023                updateOrientationListenerLp();
6024            }
6025        }
6026    }
6027
6028    private void performAuditoryFeedbackForAccessibilityIfNeed() {
6029        if (!isGlobalAccessibilityGestureEnabled()) {
6030            return;
6031        }
6032        AudioManager audioManager = (AudioManager) mContext.getSystemService(
6033                Context.AUDIO_SERVICE);
6034        if (audioManager.isSilentMode()) {
6035            return;
6036        }
6037        Ringtone ringTone = RingtoneManager.getRingtone(mContext,
6038                Settings.System.DEFAULT_NOTIFICATION_URI);
6039        ringTone.setStreamType(AudioManager.STREAM_MUSIC);
6040        ringTone.play();
6041    }
6042
6043    private boolean isTheaterModeEnabled() {
6044        return Settings.Global.getInt(mContext.getContentResolver(),
6045                Settings.Global.THEATER_MODE_ON, 0) == 1;
6046    }
6047
6048    private boolean isGlobalAccessibilityGestureEnabled() {
6049        return Settings.Global.getInt(mContext.getContentResolver(),
6050                Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED, 0) == 1;
6051    }
6052
6053    @Override
6054    public boolean performHapticFeedbackLw(WindowState win, int effectId, boolean always) {
6055        if (!mVibrator.hasVibrator()) {
6056            return false;
6057        }
6058        final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(),
6059                Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0;
6060        if (hapticsDisabled && !always) {
6061            return false;
6062        }
6063        long[] pattern = null;
6064        switch (effectId) {
6065            case HapticFeedbackConstants.LONG_PRESS:
6066                pattern = mLongPressVibePattern;
6067                break;
6068            case HapticFeedbackConstants.VIRTUAL_KEY:
6069                pattern = mVirtualKeyVibePattern;
6070                break;
6071            case HapticFeedbackConstants.KEYBOARD_TAP:
6072                pattern = mKeyboardTapVibePattern;
6073                break;
6074            case HapticFeedbackConstants.CLOCK_TICK:
6075                pattern = mClockTickVibePattern;
6076                break;
6077            case HapticFeedbackConstants.CALENDAR_DATE:
6078                pattern = mCalendarDateVibePattern;
6079                break;
6080            case HapticFeedbackConstants.SAFE_MODE_DISABLED:
6081                pattern = mSafeModeDisabledVibePattern;
6082                break;
6083            case HapticFeedbackConstants.SAFE_MODE_ENABLED:
6084                pattern = mSafeModeEnabledVibePattern;
6085                break;
6086            default:
6087                return false;
6088        }
6089        int owningUid;
6090        String owningPackage;
6091        if (win != null) {
6092            owningUid = win.getOwningUid();
6093            owningPackage = win.getOwningPackage();
6094        } else {
6095            owningUid = android.os.Process.myUid();
6096            owningPackage = mContext.getOpPackageName();
6097        }
6098        if (pattern.length == 1) {
6099            // One-shot vibration
6100            mVibrator.vibrate(owningUid, owningPackage, pattern[0], VIBRATION_ATTRIBUTES);
6101        } else {
6102            // Pattern vibration
6103            mVibrator.vibrate(owningUid, owningPackage, pattern, -1, VIBRATION_ATTRIBUTES);
6104        }
6105        return true;
6106    }
6107
6108    @Override
6109    public void keepScreenOnStartedLw() {
6110    }
6111
6112    @Override
6113    public void keepScreenOnStoppedLw() {
6114        if (isKeyguardShowingAndNotOccluded()) {
6115            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
6116        }
6117    }
6118
6119    private int updateSystemUiVisibilityLw() {
6120        // If there is no window focused, there will be nobody to handle the events
6121        // anyway, so just hang on in whatever state we're in until things settle down.
6122        final WindowState win = mFocusedWindow != null ? mFocusedWindow
6123                : mTopFullscreenOpaqueWindowState;
6124        if (win == null) {
6125            return 0;
6126        }
6127        if ((win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 && mHideLockScreen == true) {
6128            // We are updating at a point where the keyguard has gotten
6129            // focus, but we were last in a state where the top window is
6130            // hiding it.  This is probably because the keyguard as been
6131            // shown while the top window was displayed, so we want to ignore
6132            // it here because this is just a very transient change and it
6133            // will quickly lose focus once it correctly gets hidden.
6134            return 0;
6135        }
6136
6137        int tmpVisibility = PolicyControl.getSystemUiVisibility(win, null)
6138                & ~mResettingSystemUiFlags
6139                & ~mForceClearedSystemUiFlags;
6140        if (mForcingShowNavBar && win.getSurfaceLayer() < mForcingShowNavBarLayer) {
6141            tmpVisibility &= ~PolicyControl.adjustClearableFlags(win, View.SYSTEM_UI_CLEARABLE_FLAGS);
6142        }
6143        tmpVisibility = updateLightStatusBarLw(tmpVisibility);
6144        final int visibility = updateSystemBarsLw(win, mLastSystemUiFlags, tmpVisibility);
6145        final int diff = visibility ^ mLastSystemUiFlags;
6146        final boolean needsMenu = win.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
6147        if (diff == 0 && mLastFocusNeedsMenu == needsMenu
6148                && mFocusedApp == win.getAppToken()) {
6149            return 0;
6150        }
6151        mLastSystemUiFlags = visibility;
6152        mLastFocusNeedsMenu = needsMenu;
6153        mFocusedApp = win.getAppToken();
6154        mHandler.post(new Runnable() {
6155                @Override
6156                public void run() {
6157                    try {
6158                        IStatusBarService statusbar = getStatusBarService();
6159                        if (statusbar != null) {
6160                            statusbar.setSystemUiVisibility(visibility, 0xffffffff, win.toString());
6161                            statusbar.topAppWindowChanged(needsMenu);
6162                        }
6163                    } catch (RemoteException e) {
6164                        // re-acquire status bar service next time it is needed.
6165                        mStatusBarService = null;
6166                    }
6167                }
6168            });
6169        return diff;
6170    }
6171
6172    private int updateLightStatusBarLw(int vis) {
6173        WindowState statusColorWin = isStatusBarKeyguard() && !mHideLockScreen
6174                ? mStatusBar
6175                : mTopFullscreenOpaqueOrDimmingWindowState;
6176
6177        if (statusColorWin != null) {
6178            if (statusColorWin == mTopFullscreenOpaqueWindowState) {
6179                // If the top fullscreen-or-dimming window is also the top fullscreen, respect
6180                // its light flag.
6181                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6182                vis |= PolicyControl.getSystemUiVisibility(statusColorWin, null)
6183                        & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6184            } else if (statusColorWin != null && statusColorWin.isDimming()) {
6185                // Otherwise if it's dimming, clear the light flag.
6186                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6187            }
6188        }
6189        return vis;
6190    }
6191
6192    private int updateSystemBarsLw(WindowState win, int oldVis, int vis) {
6193        // apply translucent bar vis flags
6194        WindowState transWin = isStatusBarKeyguard() && !mHideLockScreen
6195                ? mStatusBar
6196                : mTopFullscreenOpaqueWindowState;
6197        vis = mStatusBarController.applyTranslucentFlagLw(transWin, vis, oldVis);
6198        vis = mNavigationBarController.applyTranslucentFlagLw(transWin, vis, oldVis);
6199
6200        // prevent status bar interaction from clearing certain flags
6201        boolean statusBarHasFocus = win.getAttrs().type == TYPE_STATUS_BAR;
6202        if (statusBarHasFocus && !isStatusBarKeyguard()) {
6203            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
6204                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
6205                    | View.SYSTEM_UI_FLAG_IMMERSIVE
6206                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
6207                    | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6208            if (mHideLockScreen) {
6209                flags |= View.STATUS_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSLUCENT;
6210            }
6211            vis = (vis & ~flags) | (oldVis & flags);
6212        }
6213
6214        if (!areTranslucentBarsAllowed() && transWin != mStatusBar) {
6215            vis &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSLUCENT
6216                    | View.SYSTEM_UI_TRANSPARENT);
6217        }
6218
6219        // update status bar
6220        boolean immersiveSticky =
6221                (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
6222        boolean hideStatusBarWM =
6223                mTopFullscreenOpaqueWindowState != null &&
6224                (PolicyControl.getWindowFlags(mTopFullscreenOpaqueWindowState, null)
6225                        & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0;
6226        boolean hideStatusBarSysui =
6227                (vis & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
6228        boolean hideNavBarSysui =
6229                (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0;
6230
6231        boolean transientStatusBarAllowed =
6232                mStatusBar != null && (
6233                hideStatusBarWM
6234                || (hideStatusBarSysui && immersiveSticky)
6235                || statusBarHasFocus);
6236
6237        boolean transientNavBarAllowed =
6238                mNavigationBar != null &&
6239                hideNavBarSysui && immersiveSticky;
6240
6241        boolean denyTransientStatus = mStatusBarController.isTransientShowRequested()
6242                && !transientStatusBarAllowed && hideStatusBarSysui;
6243        boolean denyTransientNav = mNavigationBarController.isTransientShowRequested()
6244                && !transientNavBarAllowed;
6245        if (denyTransientStatus || denyTransientNav) {
6246            // clear the clearable flags instead
6247            clearClearableFlagsLw();
6248            vis &= ~View.SYSTEM_UI_CLEARABLE_FLAGS;
6249        }
6250
6251        vis = mStatusBarController.updateVisibilityLw(transientStatusBarAllowed, oldVis, vis);
6252
6253        // update navigation bar
6254        boolean oldImmersiveMode = isImmersiveMode(oldVis);
6255        boolean newImmersiveMode = isImmersiveMode(vis);
6256        if (win != null && oldImmersiveMode != newImmersiveMode) {
6257            final String pkg = win.getOwningPackage();
6258            mImmersiveModeConfirmation.immersiveModeChanged(pkg, newImmersiveMode,
6259                    isUserSetupComplete());
6260        }
6261
6262        vis = mNavigationBarController.updateVisibilityLw(transientNavBarAllowed, oldVis, vis);
6263
6264        return vis;
6265    }
6266
6267    private void clearClearableFlagsLw() {
6268        int newVal = mResettingSystemUiFlags | View.SYSTEM_UI_CLEARABLE_FLAGS;
6269        if (newVal != mResettingSystemUiFlags) {
6270            mResettingSystemUiFlags = newVal;
6271            mWindowManagerFuncs.reevaluateStatusBarVisibility();
6272        }
6273    }
6274
6275    private boolean isImmersiveMode(int vis) {
6276        final int flags = View.SYSTEM_UI_FLAG_IMMERSIVE | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
6277        return mNavigationBar != null
6278                && (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
6279                && (vis & flags) != 0
6280                && canHideNavigationBar();
6281    }
6282
6283    /**
6284     * @return whether the navigation or status bar can be made translucent
6285     *
6286     * This should return true unless touch exploration is not enabled or
6287     * R.boolean.config_enableTranslucentDecor is false.
6288     */
6289    private boolean areTranslucentBarsAllowed() {
6290        return mTranslucentDecorEnabled
6291                && !mAccessibilityManager.isTouchExplorationEnabled();
6292    }
6293
6294    // Use this instead of checking config_showNavigationBar so that it can be consistently
6295    // overridden by qemu.hw.mainkeys in the emulator.
6296    @Override
6297    public boolean hasNavigationBar() {
6298        return mHasNavigationBar;
6299    }
6300
6301    @Override
6302    public void setLastInputMethodWindowLw(WindowState ime, WindowState target) {
6303        mLastInputMethodWindow = ime;
6304        mLastInputMethodTargetWindow = target;
6305    }
6306
6307    @Override
6308    public int getInputMethodWindowVisibleHeightLw() {
6309        return mDockBottom - mCurBottom;
6310    }
6311
6312    @Override
6313    public void setCurrentUserLw(int newUserId) {
6314        mCurrentUserId = newUserId;
6315        if (mKeyguardDelegate != null) {
6316            mKeyguardDelegate.setCurrentUser(newUserId);
6317        }
6318        if (mStatusBarService != null) {
6319            try {
6320                mStatusBarService.setCurrentUser(newUserId);
6321            } catch (RemoteException e) {
6322                // oh well
6323            }
6324        }
6325        setLastInputMethodWindowLw(null, null);
6326    }
6327
6328    @Override
6329    public boolean canMagnifyWindow(int windowType) {
6330        switch (windowType) {
6331            case WindowManager.LayoutParams.TYPE_INPUT_METHOD:
6332            case WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG:
6333            case WindowManager.LayoutParams.TYPE_NAVIGATION_BAR:
6334            case WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY: {
6335                return false;
6336            }
6337        }
6338        return true;
6339    }
6340
6341    @Override
6342    public boolean isTopLevelWindow(int windowType) {
6343        if (windowType >= WindowManager.LayoutParams.FIRST_SUB_WINDOW
6344                && windowType <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
6345            return (windowType == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG);
6346        }
6347        return true;
6348    }
6349
6350    @Override
6351    public void dump(String prefix, PrintWriter pw, String[] args) {
6352        pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
6353                pw.print(" mSystemReady="); pw.print(mSystemReady);
6354                pw.print(" mSystemBooted="); pw.println(mSystemBooted);
6355        pw.print(prefix); pw.print("mLidState="); pw.print(mLidState);
6356                pw.print(" mLidOpenRotation="); pw.print(mLidOpenRotation);
6357                pw.print(" mCameraLensCoverState="); pw.print(mCameraLensCoverState);
6358                pw.print(" mHdmiPlugged="); pw.println(mHdmiPlugged);
6359        if (mLastSystemUiFlags != 0 || mResettingSystemUiFlags != 0
6360                || mForceClearedSystemUiFlags != 0) {
6361            pw.print(prefix); pw.print("mLastSystemUiFlags=0x");
6362                    pw.print(Integer.toHexString(mLastSystemUiFlags));
6363                    pw.print(" mResettingSystemUiFlags=0x");
6364                    pw.print(Integer.toHexString(mResettingSystemUiFlags));
6365                    pw.print(" mForceClearedSystemUiFlags=0x");
6366                    pw.println(Integer.toHexString(mForceClearedSystemUiFlags));
6367        }
6368        if (mLastFocusNeedsMenu) {
6369            pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
6370                    pw.println(mLastFocusNeedsMenu);
6371        }
6372        pw.print(prefix); pw.print("mWakeGestureEnabledSetting=");
6373                pw.println(mWakeGestureEnabledSetting);
6374
6375        pw.print(prefix); pw.print("mSupportAutoRotation="); pw.println(mSupportAutoRotation);
6376        pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
6377                pw.print(" mDockMode="); pw.print(mDockMode);
6378                pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
6379                pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
6380        pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);
6381                pw.print(" mUserRotation="); pw.print(mUserRotation);
6382                pw.print(" mAllowAllRotations="); pw.println(mAllowAllRotations);
6383        pw.print(prefix); pw.print("mCurrentAppOrientation="); pw.println(mCurrentAppOrientation);
6384        pw.print(prefix); pw.print("mCarDockEnablesAccelerometer=");
6385                pw.print(mCarDockEnablesAccelerometer);
6386                pw.print(" mDeskDockEnablesAccelerometer=");
6387                pw.println(mDeskDockEnablesAccelerometer);
6388        pw.print(prefix); pw.print("mLidKeyboardAccessibility=");
6389                pw.print(mLidKeyboardAccessibility);
6390                pw.print(" mLidNavigationAccessibility="); pw.print(mLidNavigationAccessibility);
6391                pw.print(" mLidControlsSleep="); pw.println(mLidControlsSleep);
6392        pw.print(prefix);
6393                pw.print("mShortPressOnPowerBehavior="); pw.print(mShortPressOnPowerBehavior);
6394                pw.print(" mLongPressOnPowerBehavior="); pw.println(mLongPressOnPowerBehavior);
6395        pw.print(prefix);
6396                pw.print("mDoublePressOnPowerBehavior="); pw.print(mDoublePressOnPowerBehavior);
6397                pw.print(" mTriplePressOnPowerBehavior="); pw.println(mTriplePressOnPowerBehavior);
6398        pw.print(prefix); pw.print("mHasSoftInput="); pw.println(mHasSoftInput);
6399        pw.print(prefix); pw.print("mAwake="); pw.println(mAwake);
6400        pw.print(prefix); pw.print("mScreenOnEarly="); pw.print(mScreenOnEarly);
6401                pw.print(" mScreenOnFully="); pw.println(mScreenOnFully);
6402        pw.print(prefix); pw.print("mKeyguardDrawComplete="); pw.print(mKeyguardDrawComplete);
6403                pw.print(" mWindowManagerDrawComplete="); pw.println(mWindowManagerDrawComplete);
6404        pw.print(prefix); pw.print("mOrientationSensorEnabled=");
6405                pw.println(mOrientationSensorEnabled);
6406        pw.print(prefix); pw.print("mOverscanScreen=("); pw.print(mOverscanScreenLeft);
6407                pw.print(","); pw.print(mOverscanScreenTop);
6408                pw.print(") "); pw.print(mOverscanScreenWidth);
6409                pw.print("x"); pw.println(mOverscanScreenHeight);
6410        if (mOverscanLeft != 0 || mOverscanTop != 0
6411                || mOverscanRight != 0 || mOverscanBottom != 0) {
6412            pw.print(prefix); pw.print("mOverscan left="); pw.print(mOverscanLeft);
6413                    pw.print(" top="); pw.print(mOverscanTop);
6414                    pw.print(" right="); pw.print(mOverscanRight);
6415                    pw.print(" bottom="); pw.println(mOverscanBottom);
6416        }
6417        pw.print(prefix); pw.print("mRestrictedOverscanScreen=(");
6418                pw.print(mRestrictedOverscanScreenLeft);
6419                pw.print(","); pw.print(mRestrictedOverscanScreenTop);
6420                pw.print(") "); pw.print(mRestrictedOverscanScreenWidth);
6421                pw.print("x"); pw.println(mRestrictedOverscanScreenHeight);
6422        pw.print(prefix); pw.print("mUnrestrictedScreen=("); pw.print(mUnrestrictedScreenLeft);
6423                pw.print(","); pw.print(mUnrestrictedScreenTop);
6424                pw.print(") "); pw.print(mUnrestrictedScreenWidth);
6425                pw.print("x"); pw.println(mUnrestrictedScreenHeight);
6426        pw.print(prefix); pw.print("mRestrictedScreen=("); pw.print(mRestrictedScreenLeft);
6427                pw.print(","); pw.print(mRestrictedScreenTop);
6428                pw.print(") "); pw.print(mRestrictedScreenWidth);
6429                pw.print("x"); pw.println(mRestrictedScreenHeight);
6430        pw.print(prefix); pw.print("mStableFullscreen=("); pw.print(mStableFullscreenLeft);
6431                pw.print(","); pw.print(mStableFullscreenTop);
6432                pw.print(")-("); pw.print(mStableFullscreenRight);
6433                pw.print(","); pw.print(mStableFullscreenBottom); pw.println(")");
6434        pw.print(prefix); pw.print("mStable=("); pw.print(mStableLeft);
6435                pw.print(","); pw.print(mStableTop);
6436                pw.print(")-("); pw.print(mStableRight);
6437                pw.print(","); pw.print(mStableBottom); pw.println(")");
6438        pw.print(prefix); pw.print("mSystem=("); pw.print(mSystemLeft);
6439                pw.print(","); pw.print(mSystemTop);
6440                pw.print(")-("); pw.print(mSystemRight);
6441                pw.print(","); pw.print(mSystemBottom); pw.println(")");
6442        pw.print(prefix); pw.print("mCur=("); pw.print(mCurLeft);
6443                pw.print(","); pw.print(mCurTop);
6444                pw.print(")-("); pw.print(mCurRight);
6445                pw.print(","); pw.print(mCurBottom); pw.println(")");
6446        pw.print(prefix); pw.print("mContent=("); pw.print(mContentLeft);
6447                pw.print(","); pw.print(mContentTop);
6448                pw.print(")-("); pw.print(mContentRight);
6449                pw.print(","); pw.print(mContentBottom); pw.println(")");
6450        pw.print(prefix); pw.print("mVoiceContent=("); pw.print(mVoiceContentLeft);
6451                pw.print(","); pw.print(mVoiceContentTop);
6452                pw.print(")-("); pw.print(mVoiceContentRight);
6453                pw.print(","); pw.print(mVoiceContentBottom); pw.println(")");
6454        pw.print(prefix); pw.print("mDock=("); pw.print(mDockLeft);
6455                pw.print(","); pw.print(mDockTop);
6456                pw.print(")-("); pw.print(mDockRight);
6457                pw.print(","); pw.print(mDockBottom); pw.println(")");
6458        pw.print(prefix); pw.print("mDockLayer="); pw.print(mDockLayer);
6459                pw.print(" mStatusBarLayer="); pw.println(mStatusBarLayer);
6460        pw.print(prefix); pw.print("mShowingLockscreen="); pw.print(mShowingLockscreen);
6461                pw.print(" mShowingDream="); pw.print(mShowingDream);
6462                pw.print(" mDreamingLockscreen="); pw.println(mDreamingLockscreen);
6463        if (mLastInputMethodWindow != null) {
6464            pw.print(prefix); pw.print("mLastInputMethodWindow=");
6465                    pw.println(mLastInputMethodWindow);
6466        }
6467        if (mLastInputMethodTargetWindow != null) {
6468            pw.print(prefix); pw.print("mLastInputMethodTargetWindow=");
6469                    pw.println(mLastInputMethodTargetWindow);
6470        }
6471        if (mStatusBar != null) {
6472            pw.print(prefix); pw.print("mStatusBar=");
6473                    pw.print(mStatusBar); pw.print(" isStatusBarKeyguard=");
6474                    pw.println(isStatusBarKeyguard());
6475        }
6476        if (mNavigationBar != null) {
6477            pw.print(prefix); pw.print("mNavigationBar=");
6478                    pw.println(mNavigationBar);
6479        }
6480        if (mFocusedWindow != null) {
6481            pw.print(prefix); pw.print("mFocusedWindow=");
6482                    pw.println(mFocusedWindow);
6483        }
6484        if (mFocusedApp != null) {
6485            pw.print(prefix); pw.print("mFocusedApp=");
6486                    pw.println(mFocusedApp);
6487        }
6488        if (mWinDismissingKeyguard != null) {
6489            pw.print(prefix); pw.print("mWinDismissingKeyguard=");
6490                    pw.println(mWinDismissingKeyguard);
6491        }
6492        if (mTopFullscreenOpaqueWindowState != null) {
6493            pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
6494                    pw.println(mTopFullscreenOpaqueWindowState);
6495        }
6496        if (mTopFullscreenOpaqueOrDimmingWindowState != null) {
6497            pw.print(prefix); pw.print("mTopFullscreenOpaqueOrDimmingWindowState=");
6498                    pw.println(mTopFullscreenOpaqueOrDimmingWindowState);
6499        }
6500        if (mForcingShowNavBar) {
6501            pw.print(prefix); pw.print("mForcingShowNavBar=");
6502                    pw.println(mForcingShowNavBar); pw.print( "mForcingShowNavBarLayer=");
6503                    pw.println(mForcingShowNavBarLayer);
6504        }
6505        pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
6506                pw.print(" mHideLockScreen="); pw.println(mHideLockScreen);
6507        pw.print(prefix); pw.print("mForceStatusBar="); pw.print(mForceStatusBar);
6508                pw.print(" mForceStatusBarFromKeyguard=");
6509                pw.println(mForceStatusBarFromKeyguard);
6510        pw.print(prefix); pw.print("mDismissKeyguard="); pw.print(mDismissKeyguard);
6511                pw.print(" mWinDismissingKeyguard="); pw.print(mWinDismissingKeyguard);
6512                pw.print(" mHomePressed="); pw.println(mHomePressed);
6513        pw.print(prefix); pw.print("mAllowLockscreenWhenOn="); pw.print(mAllowLockscreenWhenOn);
6514                pw.print(" mLockScreenTimeout="); pw.print(mLockScreenTimeout);
6515                pw.print(" mLockScreenTimerActive="); pw.println(mLockScreenTimerActive);
6516        pw.print(prefix); pw.print("mEndcallBehavior="); pw.print(mEndcallBehavior);
6517                pw.print(" mIncallPowerBehavior="); pw.print(mIncallPowerBehavior);
6518                pw.print(" mLongPressOnHomeBehavior="); pw.println(mLongPressOnHomeBehavior);
6519        pw.print(prefix); pw.print("mLandscapeRotation="); pw.print(mLandscapeRotation);
6520                pw.print(" mSeascapeRotation="); pw.println(mSeascapeRotation);
6521        pw.print(prefix); pw.print("mPortraitRotation="); pw.print(mPortraitRotation);
6522                pw.print(" mUpsideDownRotation="); pw.println(mUpsideDownRotation);
6523        pw.print(prefix); pw.print("mDemoHdmiRotation="); pw.print(mDemoHdmiRotation);
6524                pw.print(" mDemoHdmiRotationLock="); pw.println(mDemoHdmiRotationLock);
6525        pw.print(prefix); pw.print("mUndockedHdmiRotation="); pw.println(mUndockedHdmiRotation);
6526
6527        mGlobalKeyManager.dump(prefix, pw);
6528        mStatusBarController.dump(pw, prefix);
6529        mNavigationBarController.dump(pw, prefix);
6530        PolicyControl.dump(prefix, pw);
6531
6532        if (mWakeGestureListener != null) {
6533            mWakeGestureListener.dump(pw, prefix);
6534        }
6535        if (mOrientationListener != null) {
6536            mOrientationListener.dump(pw, prefix);
6537        }
6538        if (mBurnInProtectionHelper != null) {
6539            mBurnInProtectionHelper.dump(prefix, pw);
6540        }
6541    }
6542}
6543