PhoneWindowManager.java revision 52a11f7c64b6e3f94d4a2c35e3ee254a84b2a9f1 
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.server.policy;
18
19import static android.app.ActivityManager.StackId.DOCKED_STACK_ID;
20import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
21import static android.app.ActivityManager.StackId.HOME_STACK_ID;
22import static android.content.pm.PackageManager.FEATURE_PICTURE_IN_PICTURE;
23import static android.content.pm.PackageManager.FEATURE_TELEVISION;
24import static android.content.pm.PackageManager.FEATURE_WATCH;
25import static android.content.res.Configuration.EMPTY;
26import static android.content.res.Configuration.UI_MODE_TYPE_CAR;
27import static android.content.res.Configuration.UI_MODE_TYPE_MASK;
28import static android.view.WindowManager.DOCKED_TOP;
29import static android.view.WindowManager.DOCKED_LEFT;
30import static android.view.WindowManager.DOCKED_RIGHT;
31import static android.view.WindowManager.TAKE_SCREENSHOT_FULLSCREEN;
32import static android.view.WindowManager.TAKE_SCREENSHOT_SELECTED_REGION;
33import static android.view.WindowManager.LayoutParams.*;
34import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVERED;
35import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVER_ABSENT;
36import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_UNCOVERED;
37import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_ABSENT;
38import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_CLOSED;
39import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_OPEN;
40
41import android.app.ActivityManager;
42import android.app.ActivityManager.StackId;
43import android.app.ActivityManagerInternal;
44import android.app.ActivityManagerInternal.SleepToken;
45import android.app.ActivityManagerNative;
46import android.app.AppOpsManager;
47import android.app.IUiModeManager;
48import android.app.ProgressDialog;
49import android.app.SearchManager;
50import android.app.StatusBarManager;
51import android.app.UiModeManager;
52import android.content.ActivityNotFoundException;
53import android.content.BroadcastReceiver;
54import android.content.ComponentName;
55import android.content.ContentResolver;
56import android.content.Context;
57import android.content.Intent;
58import android.content.IntentFilter;
59import android.content.ServiceConnection;
60import android.content.pm.ActivityInfo;
61import android.content.pm.ApplicationInfo;
62import android.content.pm.PackageManager;
63import android.content.pm.ResolveInfo;
64import android.content.res.CompatibilityInfo;
65import android.content.res.Configuration;
66import android.content.res.Resources;
67import android.content.res.TypedArray;
68import android.database.ContentObserver;
69import android.graphics.PixelFormat;
70import android.graphics.Rect;
71import android.hardware.hdmi.HdmiControlManager;
72import android.hardware.hdmi.HdmiPlaybackClient;
73import android.hardware.hdmi.HdmiPlaybackClient.OneTouchPlayCallback;
74import android.hardware.input.InputManagerInternal;
75import android.media.AudioAttributes;
76import android.media.AudioManager;
77import android.media.AudioSystem;
78import android.media.IAudioService;
79import android.media.Ringtone;
80import android.media.RingtoneManager;
81import android.media.session.MediaSessionLegacyHelper;
82import android.os.Binder;
83import android.os.Build;
84import android.os.Bundle;
85import android.os.Debug;
86import android.os.FactoryTest;
87import android.os.Handler;
88import android.os.IBinder;
89import android.os.IDeviceIdleController;
90import android.os.Looper;
91import android.os.Message;
92import android.os.Messenger;
93import android.os.PowerManager;
94import android.os.PowerManagerInternal;
95import android.os.Process;
96import android.os.RemoteException;
97import android.os.ServiceManager;
98import android.os.SystemClock;
99import android.os.SystemProperties;
100import android.os.UEventObserver;
101import android.os.UserHandle;
102import android.os.Vibrator;
103import android.provider.MediaStore;
104import android.provider.Settings;
105import android.service.dreams.DreamManagerInternal;
106import android.service.dreams.DreamService;
107import android.service.dreams.IDreamManager;
108import android.speech.RecognizerIntent;
109import android.telecom.TelecomManager;
110import android.util.DisplayMetrics;
111import android.util.EventLog;
112import android.util.Log;
113import android.util.MutableBoolean;
114import android.util.Slog;
115import android.util.SparseArray;
116import android.util.LongSparseArray;
117import android.view.Display;
118import android.view.Gravity;
119import android.view.HapticFeedbackConstants;
120import android.view.IApplicationToken;
121import android.view.IWindowManager;
122import android.view.InputChannel;
123import android.view.InputDevice;
124import android.view.InputEvent;
125import android.view.InputEventReceiver;
126import android.view.KeyCharacterMap;
127import android.view.KeyCharacterMap.FallbackAction;
128import android.view.KeyEvent;
129import android.view.MotionEvent;
130import android.view.Surface;
131import android.view.View;
132import android.view.ViewConfiguration;
133import android.view.WindowManager;
134import android.view.WindowManagerGlobal;
135import android.view.WindowManagerInternal;
136import android.view.WindowManagerPolicy;
137import android.view.accessibility.AccessibilityEvent;
138import android.view.accessibility.AccessibilityManager;
139import android.view.animation.Animation;
140import android.view.animation.AnimationSet;
141import android.view.animation.AnimationUtils;
142import com.android.internal.R;
143import com.android.internal.logging.MetricsLogger;
144import com.android.internal.policy.PhoneWindow;
145import com.android.internal.policy.IShortcutService;
146import com.android.internal.statusbar.IStatusBarService;
147import com.android.internal.util.ScreenShapeHelper;
148import com.android.internal.widget.PointerLocationView;
149import com.android.server.GestureLauncherService;
150import com.android.server.LocalServices;
151import com.android.server.policy.keyguard.KeyguardServiceDelegate;
152import com.android.server.policy.keyguard.KeyguardServiceDelegate.DrawnListener;
153import com.android.server.statusbar.StatusBarManagerInternal;
154
155import java.io.File;
156import java.io.FileReader;
157import java.io.IOException;
158import java.io.PrintWriter;
159import java.util.HashSet;
160import java.util.List;
161
162/**
163 * WindowManagerPolicy implementation for the Android phone UI.  This
164 * introduces a new method suffix, Lp, for an internal lock of the
165 * PhoneWindowManager.  This is used to protect some internal state, and
166 * can be acquired with either the Lw and Li lock held, so has the restrictions
167 * of both of those when held.
168 */
169public class PhoneWindowManager implements WindowManagerPolicy {
170    static final String TAG = "WindowManager";
171    static final boolean DEBUG = false;
172    static final boolean localLOGV = false;
173    static final boolean DEBUG_INPUT = false;
174    static final boolean DEBUG_KEYGUARD = false;
175    static final boolean DEBUG_LAYOUT = false;
176    static final boolean DEBUG_STARTING_WINDOW = false;
177    static final boolean DEBUG_WAKEUP = false;
178    static final boolean SHOW_STARTING_ANIMATIONS = true;
179    static final boolean SHOW_PROCESSES_ON_ALT_MENU = false;
180
181    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
182    // No longer recommended for desk docks;
183    static final boolean ENABLE_DESK_DOCK_HOME_CAPTURE = false;
184
185    static final int SHORT_PRESS_POWER_NOTHING = 0;
186    static final int SHORT_PRESS_POWER_GO_TO_SLEEP = 1;
187    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP = 2;
188    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME = 3;
189    static final int SHORT_PRESS_POWER_GO_HOME = 4;
190
191    static final int LONG_PRESS_POWER_NOTHING = 0;
192    static final int LONG_PRESS_POWER_GLOBAL_ACTIONS = 1;
193    static final int LONG_PRESS_POWER_SHUT_OFF = 2;
194    static final int LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM = 3;
195
196    static final int LONG_PRESS_BACK_NOTHING = 0;
197    static final int LONG_PRESS_BACK_GO_TO_VOICE_ASSIST = 1;
198
199    static final int MULTI_PRESS_POWER_NOTHING = 0;
200    static final int MULTI_PRESS_POWER_THEATER_MODE = 1;
201    static final int MULTI_PRESS_POWER_BRIGHTNESS_BOOST = 2;
202
203    // These need to match the documentation/constant in
204    // core/res/res/values/config.xml
205    static final int LONG_PRESS_HOME_NOTHING = 0;
206    static final int LONG_PRESS_HOME_RECENT_SYSTEM_UI = 1;
207    static final int LONG_PRESS_HOME_ASSIST = 2;
208    static final int LAST_LONG_PRESS_HOME_BEHAVIOR = LONG_PRESS_HOME_ASSIST;
209
210    static final int DOUBLE_TAP_HOME_NOTHING = 0;
211    static final int DOUBLE_TAP_HOME_RECENT_SYSTEM_UI = 1;
212
213    static final int SHORT_PRESS_WINDOW_NOTHING = 0;
214    static final int SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE = 1;
215
216    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP = 0;
217    static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME = 1;
218
219    static final int PENDING_KEY_NULL = -1;
220
221    // Controls navigation bar opacity depending on which workspace stacks are currently
222    // visible.
223    // Nav bar is always opaque when either the freeform stack or docked stack is visible.
224    static final int NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED = 0;
225    // Nav bar is always translucent when the freeform stack is visible, otherwise always opaque.
226    static final int NAV_BAR_TRANSLUCENT_WHEN_FREEFORM_OPAQUE_OTHERWISE = 1;
227
228    static final int APPLICATION_MEDIA_SUBLAYER = -2;
229    static final int APPLICATION_MEDIA_OVERLAY_SUBLAYER = -1;
230    static final int APPLICATION_PANEL_SUBLAYER = 1;
231    static final int APPLICATION_SUB_PANEL_SUBLAYER = 2;
232    static final int APPLICATION_ABOVE_SUB_PANEL_SUBLAYER = 3;
233
234    static public final String SYSTEM_DIALOG_REASON_KEY = "reason";
235    static public final String SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS = "globalactions";
236    static public final String SYSTEM_DIALOG_REASON_RECENT_APPS = "recentapps";
237    static public final String SYSTEM_DIALOG_REASON_HOME_KEY = "homekey";
238    static public final String SYSTEM_DIALOG_REASON_ASSIST = "assist";
239
240    /**
241     * These are the system UI flags that, when changing, can cause the layout
242     * of the screen to change.
243     */
244    static final int SYSTEM_UI_CHANGING_LAYOUT =
245              View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
246            | View.SYSTEM_UI_FLAG_FULLSCREEN
247            | View.STATUS_BAR_TRANSLUCENT
248            | View.NAVIGATION_BAR_TRANSLUCENT
249            | View.STATUS_BAR_TRANSPARENT
250            | View.NAVIGATION_BAR_TRANSPARENT;
251
252    private static final AudioAttributes VIBRATION_ATTRIBUTES = new AudioAttributes.Builder()
253            .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
254            .setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION)
255            .build();
256
257    // The panic gesture may become active only after the keyguard is dismissed and the immersive
258    // app shows again. If that doesn't happen for 30s we drop the gesture.
259    private static final long PANIC_GESTURE_EXPIRATION = 30000;
260
261    private static final String SYSUI_PACKAGE = "com.android.systemui";
262    private static final String SYSUI_SCREENSHOT_SERVICE =
263            "com.android.systemui.screenshot.TakeScreenshotService";
264    private static final String SYSUI_SCREENSHOT_ERROR_RECEIVER =
265            "com.android.systemui.screenshot.ScreenshotServiceErrorReceiver";
266
267    private static final int NAV_BAR_BOTTOM = 0;
268    private static final int NAV_BAR_RIGHT = 1;
269    private static final int NAV_BAR_LEFT = 2;
270
271    /**
272     * Keyguard stuff
273     */
274    private WindowState mKeyguardScrim;
275    private boolean mKeyguardHidden;
276    private boolean mKeyguardDrawnOnce;
277
278    /* Table of Application Launch keys.  Maps from key codes to intent categories.
279     *
280     * These are special keys that are used to launch particular kinds of applications,
281     * such as a web browser.  HID defines nearly a hundred of them in the Consumer (0x0C)
282     * usage page.  We don't support quite that many yet...
283     */
284    static SparseArray<String> sApplicationLaunchKeyCategories;
285    static {
286        sApplicationLaunchKeyCategories = new SparseArray<String>();
287        sApplicationLaunchKeyCategories.append(
288                KeyEvent.KEYCODE_EXPLORER, Intent.CATEGORY_APP_BROWSER);
289        sApplicationLaunchKeyCategories.append(
290                KeyEvent.KEYCODE_ENVELOPE, Intent.CATEGORY_APP_EMAIL);
291        sApplicationLaunchKeyCategories.append(
292                KeyEvent.KEYCODE_CONTACTS, Intent.CATEGORY_APP_CONTACTS);
293        sApplicationLaunchKeyCategories.append(
294                KeyEvent.KEYCODE_CALENDAR, Intent.CATEGORY_APP_CALENDAR);
295        sApplicationLaunchKeyCategories.append(
296                KeyEvent.KEYCODE_MUSIC, Intent.CATEGORY_APP_MUSIC);
297        sApplicationLaunchKeyCategories.append(
298                KeyEvent.KEYCODE_CALCULATOR, Intent.CATEGORY_APP_CALCULATOR);
299    }
300
301    /** Amount of time (in milliseconds) to wait for windows drawn before powering on. */
302    static final int WAITING_FOR_DRAWN_TIMEOUT = 1000;
303
304    /**
305     * Lock protecting internal state.  Must not call out into window
306     * manager with lock held.  (This lock will be acquired in places
307     * where the window manager is calling in with its own lock held.)
308     */
309    private final Object mLock = new Object();
310
311    Context mContext;
312    IWindowManager mWindowManager;
313    WindowManagerFuncs mWindowManagerFuncs;
314    WindowManagerInternal mWindowManagerInternal;
315    PowerManager mPowerManager;
316    ActivityManagerInternal mActivityManagerInternal;
317    InputManagerInternal mInputManagerInternal;
318    DreamManagerInternal mDreamManagerInternal;
319    PowerManagerInternal mPowerManagerInternal;
320    IStatusBarService mStatusBarService;
321    StatusBarManagerInternal mStatusBarManagerInternal;
322    boolean mPreloadedRecentApps;
323    final Object mServiceAquireLock = new Object();
324    Vibrator mVibrator; // Vibrator for giving feedback of orientation changes
325    SearchManager mSearchManager;
326    AccessibilityManager mAccessibilityManager;
327    BurnInProtectionHelper mBurnInProtectionHelper;
328    AppOpsManager mAppOpsManager;
329    private boolean mHasFeatureWatch;
330
331    // Vibrator pattern for haptic feedback of a long press.
332    long[] mLongPressVibePattern;
333
334    // Vibrator pattern for haptic feedback of virtual key press.
335    long[] mVirtualKeyVibePattern;
336
337    // Vibrator pattern for a short vibration.
338    long[] mKeyboardTapVibePattern;
339
340    // Vibrator pattern for a short vibration when tapping on an hour/minute tick of a Clock.
341    long[] mClockTickVibePattern;
342
343    // Vibrator pattern for a short vibration when tapping on a day/month/year date of a Calendar.
344    long[] mCalendarDateVibePattern;
345
346    // Vibrator pattern for haptic feedback during boot when safe mode is disabled.
347    long[] mSafeModeDisabledVibePattern;
348
349    // Vibrator pattern for haptic feedback during boot when safe mode is enabled.
350    long[] mSafeModeEnabledVibePattern;
351
352    // Vibrator pattern for haptic feedback of a context click.
353    long[] mContextClickVibePattern;
354
355    /** If true, hitting shift & menu will broadcast Intent.ACTION_BUG_REPORT */
356    boolean mEnableShiftMenuBugReports = false;
357
358    boolean mSafeMode;
359    WindowState mStatusBar = null;
360    int mStatusBarHeight;
361    WindowState mNavigationBar = null;
362    boolean mHasNavigationBar = false;
363    boolean mNavigationBarCanMove = false; // can the navigation bar ever move to the side?
364    int mNavigationBarPosition = NAV_BAR_BOTTOM;
365    int[] mNavigationBarHeightForRotationDefault = new int[4];
366    int[] mNavigationBarWidthForRotationDefault = new int[4];
367    int[] mNavigationBarHeightForRotationInCarMode = new int[4];
368    int[] mNavigationBarWidthForRotationInCarMode = new int[4];
369
370    private LongSparseArray<IShortcutService> mShortcutKeyServices = new LongSparseArray<>();
371
372    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
373    // This is for car dock and this is updated from resource.
374    private boolean mEnableCarDockHomeCapture = true;
375
376    boolean mBootMessageNeedsHiding;
377    KeyguardServiceDelegate mKeyguardDelegate;
378    final Runnable mWindowManagerDrawCallback = new Runnable() {
379        @Override
380        public void run() {
381            if (DEBUG_WAKEUP) Slog.i(TAG, "All windows ready for display!");
382            mHandler.sendEmptyMessage(MSG_WINDOW_MANAGER_DRAWN_COMPLETE);
383        }
384    };
385    final DrawnListener mKeyguardDrawnCallback = new DrawnListener() {
386        @Override
387        public void onDrawn() {
388            if (DEBUG_WAKEUP) Slog.d(TAG, "mKeyguardDelegate.ShowListener.onDrawn.");
389            mHandler.sendEmptyMessage(MSG_KEYGUARD_DRAWN_COMPLETE);
390        }
391    };
392
393    GlobalActions mGlobalActions;
394    Handler mHandler;
395    WindowState mLastInputMethodWindow = null;
396    WindowState mLastInputMethodTargetWindow = null;
397
398    // FIXME This state is shared between the input reader and handler thread.
399    // Technically it's broken and buggy but it has been like this for many years
400    // and we have not yet seen any problems.  Someday we'll rewrite this logic
401    // so that only one thread is involved in handling input policy.  Unfortunately
402    // it's on a critical path for power management so we can't just post the work to the
403    // handler thread.  We'll need to resolve this someday by teaching the input dispatcher
404    // to hold wakelocks during dispatch and eliminating the critical path.
405    volatile boolean mPowerKeyHandled;
406    volatile boolean mBackKeyHandled;
407    volatile boolean mBeganFromNonInteractive;
408    volatile int mPowerKeyPressCounter;
409    volatile boolean mEndCallKeyHandled;
410    volatile boolean mCameraGestureTriggeredDuringGoingToSleep;
411    volatile boolean mGoingToSleep;
412    volatile boolean mRecentsVisible;
413    volatile boolean mTvPictureInPictureVisible;
414
415    // Used to hold the last user key used to wake the device.  This helps us prevent up events
416    // from being passed to the foregrounded app without a corresponding down event
417    volatile int mPendingWakeKey = PENDING_KEY_NULL;
418
419    int mRecentAppsHeldModifiers;
420    boolean mLanguageSwitchKeyPressed;
421
422    int mLidState = LID_ABSENT;
423    int mCameraLensCoverState = CAMERA_LENS_COVER_ABSENT;
424    boolean mHaveBuiltInKeyboard;
425
426    boolean mSystemReady;
427    boolean mSystemBooted;
428    private boolean mDeferBindKeyguard;
429    boolean mHdmiPlugged;
430    HdmiControl mHdmiControl;
431    IUiModeManager mUiModeManager;
432    int mUiMode;
433    int mDockMode = Intent.EXTRA_DOCK_STATE_UNDOCKED;
434    int mLidOpenRotation;
435    int mCarDockRotation;
436    int mDeskDockRotation;
437    int mUndockedHdmiRotation;
438    int mDemoHdmiRotation;
439    boolean mDemoHdmiRotationLock;
440    int mDemoRotation;
441    boolean mDemoRotationLock;
442
443    boolean mWakeGestureEnabledSetting;
444    MyWakeGestureListener mWakeGestureListener;
445
446    // Default display does not rotate, apps that require non-default orientation will have to
447    // have the orientation emulated.
448    private boolean mForceDefaultOrientation = false;
449
450    int mUserRotationMode = WindowManagerPolicy.USER_ROTATION_FREE;
451    int mUserRotation = Surface.ROTATION_0;
452    boolean mAccelerometerDefault;
453
454    boolean mSupportAutoRotation;
455    int mAllowAllRotations = -1;
456    boolean mCarDockEnablesAccelerometer;
457    boolean mDeskDockEnablesAccelerometer;
458    int mLidKeyboardAccessibility;
459    int mLidNavigationAccessibility;
460    boolean mLidControlsScreenLock;
461    boolean mLidControlsSleep;
462    int mShortPressOnPowerBehavior;
463    int mLongPressOnPowerBehavior;
464    int mDoublePressOnPowerBehavior;
465    int mTriplePressOnPowerBehavior;
466    int mLongPressOnBackBehavior;
467    int mShortPressOnSleepBehavior;
468    int mShortPressWindowBehavior;
469    boolean mAwake;
470    boolean mScreenOnEarly;
471    boolean mScreenOnFully;
472    ScreenOnListener mScreenOnListener;
473    boolean mKeyguardDrawComplete;
474    boolean mWindowManagerDrawComplete;
475    boolean mOrientationSensorEnabled = false;
476    int mCurrentAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
477    boolean mHasSoftInput = false;
478    boolean mTranslucentDecorEnabled = true;
479    boolean mUseTvRouting;
480
481    int mPointerLocationMode = 0; // guarded by mLock
482
483    // The last window we were told about in focusChanged.
484    WindowState mFocusedWindow;
485    IApplicationToken mFocusedApp;
486
487    PointerLocationView mPointerLocationView;
488
489    // The current size of the screen; really; extends into the overscan area of
490    // the screen and doesn't account for any system elements like the status bar.
491    int mOverscanScreenLeft, mOverscanScreenTop;
492    int mOverscanScreenWidth, mOverscanScreenHeight;
493    // The current visible size of the screen; really; (ir)regardless of whether the status
494    // bar can be hidden but not extending into the overscan area.
495    int mUnrestrictedScreenLeft, mUnrestrictedScreenTop;
496    int mUnrestrictedScreenWidth, mUnrestrictedScreenHeight;
497    // Like mOverscanScreen*, but allowed to move into the overscan region where appropriate.
498    int mRestrictedOverscanScreenLeft, mRestrictedOverscanScreenTop;
499    int mRestrictedOverscanScreenWidth, mRestrictedOverscanScreenHeight;
500    // The current size of the screen; these may be different than (0,0)-(dw,dh)
501    // if the status bar can't be hidden; in that case it effectively carves out
502    // that area of the display from all other windows.
503    int mRestrictedScreenLeft, mRestrictedScreenTop;
504    int mRestrictedScreenWidth, mRestrictedScreenHeight;
505    // During layout, the current screen borders accounting for any currently
506    // visible system UI elements.
507    int mSystemLeft, mSystemTop, mSystemRight, mSystemBottom;
508    // For applications requesting stable content insets, these are them.
509    int mStableLeft, mStableTop, mStableRight, mStableBottom;
510    // For applications requesting stable content insets but have also set the
511    // fullscreen window flag, these are the stable dimensions without the status bar.
512    int mStableFullscreenLeft, mStableFullscreenTop;
513    int mStableFullscreenRight, mStableFullscreenBottom;
514    // During layout, the current screen borders with all outer decoration
515    // (status bar, input method dock) accounted for.
516    int mCurLeft, mCurTop, mCurRight, mCurBottom;
517    // During layout, the frame in which content should be displayed
518    // to the user, accounting for all screen decoration except for any
519    // space they deem as available for other content.  This is usually
520    // the same as mCur*, but may be larger if the screen decor has supplied
521    // content insets.
522    int mContentLeft, mContentTop, mContentRight, mContentBottom;
523    // During layout, the frame in which voice content should be displayed
524    // to the user, accounting for all screen decoration except for any
525    // space they deem as available for other content.
526    int mVoiceContentLeft, mVoiceContentTop, mVoiceContentRight, mVoiceContentBottom;
527    // During layout, the current screen borders along which input method
528    // windows are placed.
529    int mDockLeft, mDockTop, mDockRight, mDockBottom;
530    // During layout, the layer at which the doc window is placed.
531    int mDockLayer;
532    // During layout, this is the layer of the status bar.
533    int mStatusBarLayer;
534    int mLastSystemUiFlags;
535    // Bits that we are in the process of clearing, so we want to prevent
536    // them from being set by applications until everything has been updated
537    // to have them clear.
538    int mResettingSystemUiFlags = 0;
539    // Bits that we are currently always keeping cleared.
540    int mForceClearedSystemUiFlags = 0;
541    int mLastFullscreenStackSysUiFlags;
542    int mLastDockedStackSysUiFlags;
543    final Rect mNonDockedStackBounds = new Rect();
544    final Rect mDockedStackBounds = new Rect();
545    final Rect mLastNonDockedStackBounds = new Rect();
546    final Rect mLastDockedStackBounds = new Rect();
547
548    // What we last reported to system UI about whether the compatibility
549    // menu needs to be displayed.
550    boolean mLastFocusNeedsMenu = false;
551    // If nonzero, a panic gesture was performed at that time in uptime millis and is still pending.
552    private long mPendingPanicGestureUptime;
553
554    InputConsumer mInputConsumer = null;
555
556    static final Rect mTmpParentFrame = new Rect();
557    static final Rect mTmpDisplayFrame = new Rect();
558    static final Rect mTmpOverscanFrame = new Rect();
559    static final Rect mTmpContentFrame = new Rect();
560    static final Rect mTmpVisibleFrame = new Rect();
561    static final Rect mTmpDecorFrame = new Rect();
562    static final Rect mTmpStableFrame = new Rect();
563    static final Rect mTmpNavigationFrame = new Rect();
564    static final Rect mTmpOutsetFrame = new Rect();
565    private static final Rect mTmpRect = new Rect();
566
567    WindowState mTopFullscreenOpaqueWindowState;
568    WindowState mTopFullscreenOpaqueOrDimmingWindowState;
569    WindowState mTopDockedOpaqueWindowState;
570    WindowState mTopDockedOpaqueOrDimmingWindowState;
571    HashSet<IApplicationToken> mAppsToBeHidden = new HashSet<IApplicationToken>();
572    HashSet<IApplicationToken> mAppsThatDismissKeyguard = new HashSet<IApplicationToken>();
573    boolean mTopIsFullscreen;
574    boolean mForceStatusBar;
575    boolean mForceStatusBarFromKeyguard;
576    private boolean mForceStatusBarTransparent;
577    int mNavBarOpacityMode = NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED;
578    boolean mHideLockScreen;
579    boolean mForcingShowNavBar;
580    int mForcingShowNavBarLayer;
581
582    // States of keyguard dismiss.
583    private static final int DISMISS_KEYGUARD_NONE = 0; // Keyguard not being dismissed.
584    private static final int DISMISS_KEYGUARD_START = 1; // Keyguard needs to be dismissed.
585    private static final int DISMISS_KEYGUARD_CONTINUE = 2; // Keyguard has been dismissed.
586    int mDismissKeyguard = DISMISS_KEYGUARD_NONE;
587
588    /** The window that is currently dismissing the keyguard. Dismissing the keyguard must only
589     * be done once per window. */
590    private WindowState mWinDismissingKeyguard;
591
592    /** When window is currently dismissing the keyguard, dismissing the keyguard must handle
593     * the keygaurd secure state change instantly case, e.g. the use case of inserting a PIN
594     * lock SIM card. This variable is used to record the previous keyguard secure state for
595     * monitoring secure state change on window dismissing keyguard. */
596    private boolean mSecureDismissingKeyguard;
597
598    /** The window that is currently showing "over" the keyguard. If there is an app window
599     * belonging to another app on top of this the keyguard shows. If there is a fullscreen
600     * app window under this, still dismiss the keyguard but don't show the app underneath. Show
601     * the wallpaper. */
602    private WindowState mWinShowWhenLocked;
603
604    boolean mShowingLockscreen;
605    boolean mShowingDream;
606    boolean mDreamingLockscreen;
607    boolean mDreamingSleepTokenNeeded;
608    SleepToken mDreamingSleepToken;
609    SleepToken mScreenOffSleepToken;
610    boolean mKeyguardSecure;
611    boolean mKeyguardSecureIncludingHidden;
612    volatile boolean mKeyguardOccluded;
613    boolean mHomePressed;
614    boolean mHomeConsumed;
615    boolean mHomeDoubleTapPending;
616    Intent mHomeIntent;
617    Intent mCarDockIntent;
618    Intent mDeskDockIntent;
619    boolean mSearchKeyShortcutPending;
620    boolean mConsumeSearchKeyUp;
621    boolean mAssistKeyLongPressed;
622    boolean mPendingMetaAction;
623    boolean mPendingCapsLockToggle;
624    int mMetaState;
625    int mInitialMetaState;
626    boolean mForceShowSystemBars;
627
628    // support for activating the lock screen while the screen is on
629    boolean mAllowLockscreenWhenOn;
630    int mLockScreenTimeout;
631    boolean mLockScreenTimerActive;
632
633    // Behavior of ENDCALL Button.  (See Settings.System.END_BUTTON_BEHAVIOR.)
634    int mEndcallBehavior;
635
636    // Behavior of POWER button while in-call and screen on.
637    // (See Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR.)
638    int mIncallPowerBehavior;
639
640    Display mDisplay;
641
642    private int mDisplayRotation;
643
644    int mLandscapeRotation = 0;  // default landscape rotation
645    int mSeascapeRotation = 0;   // "other" landscape rotation, 180 degrees from mLandscapeRotation
646    int mPortraitRotation = 0;   // default portrait rotation
647    int mUpsideDownRotation = 0; // "other" portrait rotation
648
649    int mOverscanLeft = 0;
650    int mOverscanTop = 0;
651    int mOverscanRight = 0;
652    int mOverscanBottom = 0;
653
654    // What we do when the user long presses on home
655    private int mLongPressOnHomeBehavior;
656
657    // What we do when the user double-taps on home
658    private int mDoubleTapOnHomeBehavior;
659
660    // Allowed theater mode wake actions
661    private boolean mAllowTheaterModeWakeFromKey;
662    private boolean mAllowTheaterModeWakeFromPowerKey;
663    private boolean mAllowTheaterModeWakeFromMotion;
664    private boolean mAllowTheaterModeWakeFromMotionWhenNotDreaming;
665    private boolean mAllowTheaterModeWakeFromCameraLens;
666    private boolean mAllowTheaterModeWakeFromLidSwitch;
667    private boolean mAllowTheaterModeWakeFromWakeGesture;
668
669    // Whether to support long press from power button in non-interactive mode
670    private boolean mSupportLongPressPowerWhenNonInteractive;
671
672    // Whether to go to sleep entering theater mode from power button
673    private boolean mGoToSleepOnButtonPressTheaterMode;
674
675    // Screenshot trigger states
676    // Time to volume and power must be pressed within this interval of each other.
677    private static final long SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS = 150;
678    // Increase the chord delay when taking a screenshot from the keyguard
679    private static final float KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER = 2.5f;
680    private boolean mScreenshotChordEnabled;
681    private boolean mScreenshotChordVolumeDownKeyTriggered;
682    private long mScreenshotChordVolumeDownKeyTime;
683    private boolean mScreenshotChordVolumeDownKeyConsumed;
684    private boolean mScreenshotChordVolumeUpKeyTriggered;
685    private boolean mScreenshotChordPowerKeyTriggered;
686    private long mScreenshotChordPowerKeyTime;
687
688    /* The number of steps between min and max brightness */
689    private static final int BRIGHTNESS_STEPS = 10;
690
691    SettingsObserver mSettingsObserver;
692    ShortcutManager mShortcutManager;
693    PowerManager.WakeLock mBroadcastWakeLock;
694    PowerManager.WakeLock mPowerKeyWakeLock;
695    boolean mHavePendingMediaKeyRepeatWithWakeLock;
696
697    private int mCurrentUserId;
698
699    // Maps global key codes to the components that will handle them.
700    private GlobalKeyManager mGlobalKeyManager;
701
702    // Fallback actions by key code.
703    private final SparseArray<KeyCharacterMap.FallbackAction> mFallbackActions =
704            new SparseArray<KeyCharacterMap.FallbackAction>();
705
706    private final LogDecelerateInterpolator mLogDecelerateInterpolator
707            = new LogDecelerateInterpolator(100, 0);
708
709    private final MutableBoolean mTmpBoolean = new MutableBoolean(false);
710
711    private static final int MSG_ENABLE_POINTER_LOCATION = 1;
712    private static final int MSG_DISABLE_POINTER_LOCATION = 2;
713    private static final int MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK = 3;
714    private static final int MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK = 4;
715    private static final int MSG_KEYGUARD_DRAWN_COMPLETE = 5;
716    private static final int MSG_KEYGUARD_DRAWN_TIMEOUT = 6;
717    private static final int MSG_WINDOW_MANAGER_DRAWN_COMPLETE = 7;
718    private static final int MSG_DISPATCH_SHOW_RECENTS = 9;
719    private static final int MSG_DISPATCH_SHOW_GLOBAL_ACTIONS = 10;
720    private static final int MSG_HIDE_BOOT_MESSAGE = 11;
721    private static final int MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK = 12;
722    private static final int MSG_POWER_DELAYED_PRESS = 13;
723    private static final int MSG_POWER_LONG_PRESS = 14;
724    private static final int MSG_UPDATE_DREAMING_SLEEP_TOKEN = 15;
725    private static final int MSG_REQUEST_TRANSIENT_BARS = 16;
726    private static final int MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU = 17;
727    private static final int MSG_BACK_LONG_PRESS = 18;
728    private static final int MSG_DISPOSE_INPUT_CONSUMER = 19;
729
730    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS = 0;
731    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION = 1;
732
733    private class PolicyHandler extends Handler {
734        @Override
735        public void handleMessage(Message msg) {
736            switch (msg.what) {
737                case MSG_ENABLE_POINTER_LOCATION:
738                    enablePointerLocation();
739                    break;
740                case MSG_DISABLE_POINTER_LOCATION:
741                    disablePointerLocation();
742                    break;
743                case MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK:
744                    dispatchMediaKeyWithWakeLock((KeyEvent)msg.obj);
745                    break;
746                case MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK:
747                    dispatchMediaKeyRepeatWithWakeLock((KeyEvent)msg.obj);
748                    break;
749                case MSG_DISPATCH_SHOW_RECENTS:
750                    showRecentApps(false, msg.arg1 != 0);
751                    break;
752                case MSG_DISPATCH_SHOW_GLOBAL_ACTIONS:
753                    showGlobalActionsInternal();
754                    break;
755                case MSG_KEYGUARD_DRAWN_COMPLETE:
756                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mKeyguardDrawComplete");
757                    finishKeyguardDrawn();
758                    break;
759                case MSG_KEYGUARD_DRAWN_TIMEOUT:
760                    Slog.w(TAG, "Keyguard drawn timeout. Setting mKeyguardDrawComplete");
761                    finishKeyguardDrawn();
762                    break;
763                case MSG_WINDOW_MANAGER_DRAWN_COMPLETE:
764                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mWindowManagerDrawComplete");
765                    finishWindowsDrawn();
766                    break;
767                case MSG_HIDE_BOOT_MESSAGE:
768                    handleHideBootMessage();
769                    break;
770                case MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK:
771                    launchVoiceAssistWithWakeLock(msg.arg1 != 0);
772                    break;
773                case MSG_POWER_DELAYED_PRESS:
774                    powerPress((Long)msg.obj, msg.arg1 != 0, msg.arg2);
775                    finishPowerKeyPress();
776                    break;
777                case MSG_POWER_LONG_PRESS:
778                    powerLongPress();
779                    break;
780                case MSG_UPDATE_DREAMING_SLEEP_TOKEN:
781                    updateDreamingSleepToken(msg.arg1 != 0);
782                    break;
783                case MSG_REQUEST_TRANSIENT_BARS:
784                    WindowState targetBar = (msg.arg1 == MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS) ?
785                            mStatusBar : mNavigationBar;
786                    if (targetBar != null) {
787                        requestTransientBars(targetBar);
788                    }
789                    break;
790                case MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU:
791                    showTvPictureInPictureMenuInternal();
792                    break;
793                case MSG_BACK_LONG_PRESS:
794                    backLongPress();
795                    break;
796                case MSG_DISPOSE_INPUT_CONSUMER:
797                    disposeInputConsumer((InputConsumer) msg.obj);
798                    break;
799            }
800        }
801    }
802
803    private UEventObserver mHDMIObserver = new UEventObserver() {
804        @Override
805        public void onUEvent(UEventObserver.UEvent event) {
806            setHdmiPlugged("1".equals(event.get("SWITCH_STATE")));
807        }
808    };
809
810    class SettingsObserver extends ContentObserver {
811        SettingsObserver(Handler handler) {
812            super(handler);
813        }
814
815        void observe() {
816            // Observe all users' changes
817            ContentResolver resolver = mContext.getContentResolver();
818            resolver.registerContentObserver(Settings.System.getUriFor(
819                    Settings.System.END_BUTTON_BEHAVIOR), false, this,
820                    UserHandle.USER_ALL);
821            resolver.registerContentObserver(Settings.Secure.getUriFor(
822                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR), false, this,
823                    UserHandle.USER_ALL);
824            resolver.registerContentObserver(Settings.Secure.getUriFor(
825                    Settings.Secure.WAKE_GESTURE_ENABLED), false, this,
826                    UserHandle.USER_ALL);
827            resolver.registerContentObserver(Settings.System.getUriFor(
828                    Settings.System.ACCELEROMETER_ROTATION), false, this,
829                    UserHandle.USER_ALL);
830            resolver.registerContentObserver(Settings.System.getUriFor(
831                    Settings.System.USER_ROTATION), false, this,
832                    UserHandle.USER_ALL);
833            resolver.registerContentObserver(Settings.System.getUriFor(
834                    Settings.System.SCREEN_OFF_TIMEOUT), false, this,
835                    UserHandle.USER_ALL);
836            resolver.registerContentObserver(Settings.System.getUriFor(
837                    Settings.System.POINTER_LOCATION), false, this,
838                    UserHandle.USER_ALL);
839            resolver.registerContentObserver(Settings.Secure.getUriFor(
840                    Settings.Secure.DEFAULT_INPUT_METHOD), false, this,
841                    UserHandle.USER_ALL);
842            resolver.registerContentObserver(Settings.Secure.getUriFor(
843                    Settings.Secure.IMMERSIVE_MODE_CONFIRMATIONS), false, this,
844                    UserHandle.USER_ALL);
845            resolver.registerContentObserver(Settings.Global.getUriFor(
846                    Settings.Global.POLICY_CONTROL), false, this,
847                    UserHandle.USER_ALL);
848            updateSettings();
849        }
850
851        @Override public void onChange(boolean selfChange) {
852            updateSettings();
853            updateRotation(false);
854        }
855    }
856
857    class MyWakeGestureListener extends WakeGestureListener {
858        MyWakeGestureListener(Context context, Handler handler) {
859            super(context, handler);
860        }
861
862        @Override
863        public void onWakeUp() {
864            synchronized (mLock) {
865                if (shouldEnableWakeGestureLp()) {
866                    performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
867                    wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromWakeGesture,
868                            "android.policy:GESTURE");
869                }
870            }
871        }
872    }
873
874    class MyOrientationListener extends WindowOrientationListener {
875        private final Runnable mUpdateRotationRunnable = new Runnable() {
876            @Override
877            public void run() {
878                // send interaction hint to improve redraw performance
879                mPowerManagerInternal.powerHint(PowerManagerInternal.POWER_HINT_INTERACTION, 0);
880                updateRotation(false);
881            }
882        };
883
884        MyOrientationListener(Context context, Handler handler) {
885            super(context, handler);
886        }
887
888        @Override
889        public void onProposedRotationChanged(int rotation) {
890            if (localLOGV) Slog.v(TAG, "onProposedRotationChanged, rotation=" + rotation);
891            mHandler.post(mUpdateRotationRunnable);
892        }
893    }
894    MyOrientationListener mOrientationListener;
895
896    private final StatusBarController mStatusBarController = new StatusBarController();
897
898    private final BarController mNavigationBarController = new BarController("NavigationBar",
899            View.NAVIGATION_BAR_TRANSIENT,
900            View.NAVIGATION_BAR_UNHIDE,
901            View.NAVIGATION_BAR_TRANSLUCENT,
902            StatusBarManager.WINDOW_NAVIGATION_BAR,
903            WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION,
904            View.NAVIGATION_BAR_TRANSPARENT);
905
906    private ImmersiveModeConfirmation mImmersiveModeConfirmation;
907
908    private SystemGesturesPointerEventListener mSystemGestures;
909
910    IStatusBarService getStatusBarService() {
911        synchronized (mServiceAquireLock) {
912            if (mStatusBarService == null) {
913                mStatusBarService = IStatusBarService.Stub.asInterface(
914                        ServiceManager.getService("statusbar"));
915            }
916            return mStatusBarService;
917        }
918    }
919
920    StatusBarManagerInternal getStatusBarManagerInternal() {
921        synchronized (mServiceAquireLock) {
922            if (mStatusBarManagerInternal == null) {
923                mStatusBarManagerInternal =
924                        LocalServices.getService(StatusBarManagerInternal.class);
925            }
926            return mStatusBarManagerInternal;
927        }
928    }
929
930    /*
931     * We always let the sensor be switched on by default except when
932     * the user has explicitly disabled sensor based rotation or when the
933     * screen is switched off.
934     */
935    boolean needSensorRunningLp() {
936        if (mSupportAutoRotation) {
937            if (mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
938                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
939                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT
940                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE) {
941                // If the application has explicitly requested to follow the
942                // orientation, then we need to turn the sensor on.
943                return true;
944            }
945        }
946        if ((mCarDockEnablesAccelerometer && mDockMode == Intent.EXTRA_DOCK_STATE_CAR) ||
947                (mDeskDockEnablesAccelerometer && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
948                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
949                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK))) {
950            // enable accelerometer if we are docked in a dock that enables accelerometer
951            // orientation management,
952            return true;
953        }
954        if (mUserRotationMode == USER_ROTATION_LOCKED) {
955            // If the setting for using the sensor by default is enabled, then
956            // we will always leave it on.  Note that the user could go to
957            // a window that forces an orientation that does not use the
958            // sensor and in theory we could turn it off... however, when next
959            // turning it on we won't have a good value for the current
960            // orientation for a little bit, which can cause orientation
961            // changes to lag, so we'd like to keep it always on.  (It will
962            // still be turned off when the screen is off.)
963            return false;
964        }
965        return mSupportAutoRotation;
966    }
967
968    /*
969     * Various use cases for invoking this function
970     * screen turning off, should always disable listeners if already enabled
971     * screen turned on and current app has sensor based orientation, enable listeners
972     * if not already enabled
973     * screen turned on and current app does not have sensor orientation, disable listeners if
974     * already enabled
975     * screen turning on and current app has sensor based orientation, enable listeners if needed
976     * screen turning on and current app has nosensor based orientation, do nothing
977     */
978    void updateOrientationListenerLp() {
979        if (!mOrientationListener.canDetectOrientation()) {
980            // If sensor is turned off or nonexistent for some reason
981            return;
982        }
983        // Could have been invoked due to screen turning on or off or
984        // change of the currently visible window's orientation.
985        if (localLOGV) Slog.v(TAG, "mScreenOnEarly=" + mScreenOnEarly
986                + ", mAwake=" + mAwake + ", mCurrentAppOrientation=" + mCurrentAppOrientation
987                + ", mOrientationSensorEnabled=" + mOrientationSensorEnabled
988                + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
989                + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
990        boolean disable = true;
991        // Note: We postpone the rotating of the screen until the keyguard as well as the
992        // window manager have reported a draw complete.
993        if (mScreenOnEarly && mAwake &&
994                mKeyguardDrawComplete && mWindowManagerDrawComplete) {
995            if (needSensorRunningLp()) {
996                disable = false;
997                //enable listener if not already enabled
998                if (!mOrientationSensorEnabled) {
999                    mOrientationListener.enable();
1000                    if(localLOGV) Slog.v(TAG, "Enabling listeners");
1001                    mOrientationSensorEnabled = true;
1002                }
1003            }
1004        }
1005        //check if sensors need to be disabled
1006        if (disable && mOrientationSensorEnabled) {
1007            mOrientationListener.disable();
1008            if(localLOGV) Slog.v(TAG, "Disabling listeners");
1009            mOrientationSensorEnabled = false;
1010        }
1011    }
1012
1013    private void interceptPowerKeyDown(KeyEvent event, boolean interactive) {
1014        // Hold a wake lock until the power key is released.
1015        if (!mPowerKeyWakeLock.isHeld()) {
1016            mPowerKeyWakeLock.acquire();
1017        }
1018
1019        // Cancel multi-press detection timeout.
1020        if (mPowerKeyPressCounter != 0) {
1021            mHandler.removeMessages(MSG_POWER_DELAYED_PRESS);
1022        }
1023
1024        // Detect user pressing the power button in panic when an application has
1025        // taken over the whole screen.
1026        boolean panic = mImmersiveModeConfirmation.onPowerKeyDown(interactive,
1027                SystemClock.elapsedRealtime(), isImmersiveMode(mLastSystemUiFlags),
1028                isNavBarEmpty(mLastSystemUiFlags));
1029        if (panic) {
1030            mHandler.post(mHiddenNavPanic);
1031        }
1032
1033        // Latch power key state to detect screenshot chord.
1034        if (interactive && !mScreenshotChordPowerKeyTriggered
1035                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
1036            mScreenshotChordPowerKeyTriggered = true;
1037            mScreenshotChordPowerKeyTime = event.getDownTime();
1038            interceptScreenshotChord();
1039        }
1040
1041        // Stop ringing or end call if configured to do so when power is pressed.
1042        TelecomManager telecomManager = getTelecommService();
1043        boolean hungUp = false;
1044        if (telecomManager != null) {
1045            if (telecomManager.isRinging()) {
1046                // Pressing Power while there's a ringing incoming
1047                // call should silence the ringer.
1048                telecomManager.silenceRinger();
1049            } else if ((mIncallPowerBehavior
1050                    & Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP) != 0
1051                    && telecomManager.isInCall() && interactive) {
1052                // Otherwise, if "Power button ends call" is enabled,
1053                // the Power button will hang up any current active call.
1054                hungUp = telecomManager.endCall();
1055            }
1056        }
1057
1058        GestureLauncherService gestureService = LocalServices.getService(
1059                GestureLauncherService.class);
1060        boolean gesturedServiceIntercepted = false;
1061        if (gestureService != null) {
1062            gesturedServiceIntercepted = gestureService.interceptPowerKeyDown(event, interactive,
1063                    mTmpBoolean);
1064            if (mTmpBoolean.value && mGoingToSleep) {
1065                mCameraGestureTriggeredDuringGoingToSleep = true;
1066            }
1067        }
1068
1069        // If the power key has still not yet been handled, then detect short
1070        // press, long press, or multi press and decide what to do.
1071        mPowerKeyHandled = hungUp || mScreenshotChordVolumeDownKeyTriggered
1072                || mScreenshotChordVolumeUpKeyTriggered || gesturedServiceIntercepted;
1073        if (!mPowerKeyHandled) {
1074            if (interactive) {
1075                // When interactive, we're already awake.
1076                // Wait for a long press or for the button to be released to decide what to do.
1077                if (hasLongPressOnPowerBehavior()) {
1078                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
1079                    msg.setAsynchronous(true);
1080                    mHandler.sendMessageDelayed(msg,
1081                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1082                }
1083            } else {
1084                wakeUpFromPowerKey(event.getDownTime());
1085
1086                if (mSupportLongPressPowerWhenNonInteractive && hasLongPressOnPowerBehavior()) {
1087                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
1088                    msg.setAsynchronous(true);
1089                    mHandler.sendMessageDelayed(msg,
1090                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1091                    mBeganFromNonInteractive = true;
1092                } else {
1093                    final int maxCount = getMaxMultiPressPowerCount();
1094
1095                    if (maxCount <= 1) {
1096                        mPowerKeyHandled = true;
1097                    } else {
1098                        mBeganFromNonInteractive = true;
1099                    }
1100                }
1101            }
1102        }
1103    }
1104
1105    private void interceptPowerKeyUp(KeyEvent event, boolean interactive, boolean canceled) {
1106        final boolean handled = canceled || mPowerKeyHandled;
1107        mScreenshotChordPowerKeyTriggered = false;
1108        cancelPendingScreenshotChordAction();
1109        cancelPendingPowerKeyAction();
1110
1111        if (!handled) {
1112            // Figure out how to handle the key now that it has been released.
1113            mPowerKeyPressCounter += 1;
1114
1115            final int maxCount = getMaxMultiPressPowerCount();
1116            final long eventTime = event.getDownTime();
1117            if (mPowerKeyPressCounter < maxCount) {
1118                // This could be a multi-press.  Wait a little bit longer to confirm.
1119                // Continue holding the wake lock.
1120                Message msg = mHandler.obtainMessage(MSG_POWER_DELAYED_PRESS,
1121                        interactive ? 1 : 0, mPowerKeyPressCounter, eventTime);
1122                msg.setAsynchronous(true);
1123                mHandler.sendMessageDelayed(msg, ViewConfiguration.getDoubleTapTimeout());
1124                return;
1125            }
1126
1127            // No other actions.  Handle it immediately.
1128            powerPress(eventTime, interactive, mPowerKeyPressCounter);
1129        }
1130
1131        // Done.  Reset our state.
1132        finishPowerKeyPress();
1133    }
1134
1135    private void finishPowerKeyPress() {
1136        mBeganFromNonInteractive = false;
1137        mPowerKeyPressCounter = 0;
1138        if (mPowerKeyWakeLock.isHeld()) {
1139            mPowerKeyWakeLock.release();
1140        }
1141    }
1142
1143    private void cancelPendingPowerKeyAction() {
1144        if (!mPowerKeyHandled) {
1145            mPowerKeyHandled = true;
1146            mHandler.removeMessages(MSG_POWER_LONG_PRESS);
1147        }
1148    }
1149
1150    private void cancelPendingBackKeyAction() {
1151        if (!mBackKeyHandled) {
1152            mBackKeyHandled = true;
1153            mHandler.removeMessages(MSG_BACK_LONG_PRESS);
1154        }
1155    }
1156
1157    private void powerPress(long eventTime, boolean interactive, int count) {
1158        if (mScreenOnEarly && !mScreenOnFully) {
1159            Slog.i(TAG, "Suppressed redundant power key press while "
1160                    + "already in the process of turning the screen on.");
1161            return;
1162        }
1163
1164        if (count == 2) {
1165            powerMultiPressAction(eventTime, interactive, mDoublePressOnPowerBehavior);
1166        } else if (count == 3) {
1167            powerMultiPressAction(eventTime, interactive, mTriplePressOnPowerBehavior);
1168        } else if (interactive && !mBeganFromNonInteractive) {
1169            switch (mShortPressOnPowerBehavior) {
1170                case SHORT_PRESS_POWER_NOTHING:
1171                    break;
1172                case SHORT_PRESS_POWER_GO_TO_SLEEP:
1173                    mPowerManager.goToSleep(eventTime,
1174                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1175                    break;
1176                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP:
1177                    mPowerManager.goToSleep(eventTime,
1178                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1179                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1180                    break;
1181                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME:
1182                    mPowerManager.goToSleep(eventTime,
1183                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1184                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1185                    launchHomeFromHotKey();
1186                    break;
1187                case SHORT_PRESS_POWER_GO_HOME:
1188                    launchHomeFromHotKey(true /* awakenFromDreams */, false /*respectKeyguard*/);
1189                    break;
1190            }
1191        }
1192    }
1193
1194    private void powerMultiPressAction(long eventTime, boolean interactive, int behavior) {
1195        switch (behavior) {
1196            case MULTI_PRESS_POWER_NOTHING:
1197                break;
1198            case MULTI_PRESS_POWER_THEATER_MODE:
1199                if (!isUserSetupComplete()) {
1200                    Slog.i(TAG, "Ignoring toggling theater mode - device not setup.");
1201                    break;
1202                }
1203
1204                if (isTheaterModeEnabled()) {
1205                    Slog.i(TAG, "Toggling theater mode off.");
1206                    Settings.Global.putInt(mContext.getContentResolver(),
1207                            Settings.Global.THEATER_MODE_ON, 0);
1208                    if (!interactive) {
1209                        wakeUpFromPowerKey(eventTime);
1210                    }
1211                } else {
1212                    Slog.i(TAG, "Toggling theater mode on.");
1213                    Settings.Global.putInt(mContext.getContentResolver(),
1214                            Settings.Global.THEATER_MODE_ON, 1);
1215
1216                    if (mGoToSleepOnButtonPressTheaterMode && interactive) {
1217                        mPowerManager.goToSleep(eventTime,
1218                                PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1219                    }
1220                }
1221                break;
1222            case MULTI_PRESS_POWER_BRIGHTNESS_BOOST:
1223                Slog.i(TAG, "Starting brightness boost.");
1224                if (!interactive) {
1225                    wakeUpFromPowerKey(eventTime);
1226                }
1227                mPowerManager.boostScreenBrightness(eventTime);
1228                break;
1229        }
1230    }
1231
1232    private int getMaxMultiPressPowerCount() {
1233        if (mTriplePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1234            return 3;
1235        }
1236        if (mDoublePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1237            return 2;
1238        }
1239        return 1;
1240    }
1241
1242    private void powerLongPress() {
1243        final int behavior = getResolvedLongPressOnPowerBehavior();
1244        switch (behavior) {
1245        case LONG_PRESS_POWER_NOTHING:
1246            break;
1247        case LONG_PRESS_POWER_GLOBAL_ACTIONS:
1248            mPowerKeyHandled = true;
1249            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1250                performAuditoryFeedbackForAccessibilityIfNeed();
1251            }
1252            showGlobalActionsInternal();
1253            break;
1254        case LONG_PRESS_POWER_SHUT_OFF:
1255        case LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM:
1256            mPowerKeyHandled = true;
1257            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1258            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1259            mWindowManagerFuncs.shutdown(behavior == LONG_PRESS_POWER_SHUT_OFF);
1260            break;
1261        }
1262    }
1263
1264    private void backLongPress() {
1265        mBackKeyHandled = true;
1266
1267        switch (mLongPressOnBackBehavior) {
1268            case LONG_PRESS_BACK_NOTHING:
1269                break;
1270            case LONG_PRESS_BACK_GO_TO_VOICE_ASSIST:
1271                Intent intent = new Intent(Intent.ACTION_VOICE_ASSIST);
1272                startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
1273                break;
1274        }
1275    }
1276
1277    private void disposeInputConsumer(InputConsumer inputConsumer) {
1278        if (inputConsumer != null) {
1279            inputConsumer.dismiss();
1280        }
1281    }
1282
1283    private void sleepPress(long eventTime) {
1284        if (mShortPressOnSleepBehavior == SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME) {
1285            launchHomeFromHotKey(false /* awakenDreams */, true /*respectKeyguard*/);
1286        }
1287    }
1288
1289    private void sleepRelease(long eventTime) {
1290        switch (mShortPressOnSleepBehavior) {
1291            case SHORT_PRESS_SLEEP_GO_TO_SLEEP:
1292            case SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME:
1293                Slog.i(TAG, "sleepRelease() calling goToSleep(GO_TO_SLEEP_REASON_SLEEP_BUTTON)");
1294                mPowerManager.goToSleep(eventTime,
1295                       PowerManager.GO_TO_SLEEP_REASON_SLEEP_BUTTON, 0);
1296                break;
1297        }
1298    }
1299
1300    private int getResolvedLongPressOnPowerBehavior() {
1301        if (FactoryTest.isLongPressOnPowerOffEnabled()) {
1302            return LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;
1303        }
1304        return mLongPressOnPowerBehavior;
1305    }
1306
1307    private boolean hasLongPressOnPowerBehavior() {
1308        return getResolvedLongPressOnPowerBehavior() != LONG_PRESS_POWER_NOTHING;
1309    }
1310
1311    private boolean hasLongPressOnBackBehavior() {
1312        return mLongPressOnBackBehavior != LONG_PRESS_BACK_NOTHING;
1313    }
1314
1315    private void interceptScreenshotChord() {
1316        if (mScreenshotChordEnabled
1317                && mScreenshotChordVolumeDownKeyTriggered && mScreenshotChordPowerKeyTriggered
1318                && !mScreenshotChordVolumeUpKeyTriggered) {
1319            final long now = SystemClock.uptimeMillis();
1320            if (now <= mScreenshotChordVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS
1321                    && now <= mScreenshotChordPowerKeyTime
1322                            + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS) {
1323                mScreenshotChordVolumeDownKeyConsumed = true;
1324                cancelPendingPowerKeyAction();
1325                mScreenshotRunnable.setScreenshotType(TAKE_SCREENSHOT_FULLSCREEN);
1326                mHandler.postDelayed(mScreenshotRunnable, getScreenshotChordLongPressDelay());
1327            }
1328        }
1329    }
1330
1331    private long getScreenshotChordLongPressDelay() {
1332        if (mKeyguardDelegate.isShowing()) {
1333            // Double the time it takes to take a screenshot from the keyguard
1334            return (long) (KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER *
1335                    ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1336        }
1337        return ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout();
1338    }
1339
1340    private void cancelPendingScreenshotChordAction() {
1341        mHandler.removeCallbacks(mScreenshotRunnable);
1342    }
1343
1344    private final Runnable mEndCallLongPress = new Runnable() {
1345        @Override
1346        public void run() {
1347            mEndCallKeyHandled = true;
1348            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1349                performAuditoryFeedbackForAccessibilityIfNeed();
1350            }
1351            showGlobalActionsInternal();
1352        }
1353    };
1354
1355    private class ScreenshotRunnable implements Runnable {
1356        private int mScreenshotType = TAKE_SCREENSHOT_FULLSCREEN;
1357
1358        public void setScreenshotType(int screenshotType) {
1359            mScreenshotType = screenshotType;
1360        }
1361
1362        @Override
1363        public void run() {
1364            takeScreenshot(mScreenshotType);
1365        }
1366    }
1367
1368    private final ScreenshotRunnable mScreenshotRunnable = new ScreenshotRunnable();
1369
1370    @Override
1371    public void showGlobalActions() {
1372        mHandler.removeMessages(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1373        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1374    }
1375
1376    void showGlobalActionsInternal() {
1377        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1378        if (mGlobalActions == null) {
1379            mGlobalActions = new GlobalActions(mContext, mWindowManagerFuncs);
1380        }
1381        final boolean keyguardShowing = isKeyguardShowingAndNotOccluded();
1382        mGlobalActions.showDialog(keyguardShowing, isDeviceProvisioned());
1383        if (keyguardShowing) {
1384            // since it took two seconds of long press to bring this up,
1385            // poke the wake lock so they have some time to see the dialog.
1386            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
1387        }
1388    }
1389
1390    boolean isDeviceProvisioned() {
1391        return Settings.Global.getInt(
1392                mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0;
1393    }
1394
1395    boolean isUserSetupComplete() {
1396        return Settings.Secure.getIntForUser(mContext.getContentResolver(),
1397                Settings.Secure.USER_SETUP_COMPLETE, 0, UserHandle.USER_CURRENT) != 0;
1398    }
1399
1400    private void handleShortPressOnHome() {
1401        // Turn on the connected TV and switch HDMI input if we're a HDMI playback device.
1402        getHdmiControl().turnOnTv();
1403
1404        // If there's a dream running then use home to escape the dream
1405        // but don't actually go home.
1406        if (mDreamManagerInternal != null && mDreamManagerInternal.isDreaming()) {
1407            mDreamManagerInternal.stopDream(false /*immediate*/);
1408            return;
1409        }
1410
1411        // Go home!
1412        launchHomeFromHotKey();
1413    }
1414
1415    /**
1416     * Creates an accessor to HDMI control service that performs the operation of
1417     * turning on TV (optional) and switching input to us. If HDMI control service
1418     * is not available or we're not a HDMI playback device, the operation is no-op.
1419     */
1420    private HdmiControl getHdmiControl() {
1421        if (null == mHdmiControl) {
1422            HdmiControlManager manager = (HdmiControlManager) mContext.getSystemService(
1423                        Context.HDMI_CONTROL_SERVICE);
1424            HdmiPlaybackClient client = null;
1425            if (manager != null) {
1426                client = manager.getPlaybackClient();
1427            }
1428            mHdmiControl = new HdmiControl(client);
1429        }
1430        return mHdmiControl;
1431    }
1432
1433    private static class HdmiControl {
1434        private final HdmiPlaybackClient mClient;
1435
1436        private HdmiControl(HdmiPlaybackClient client) {
1437            mClient = client;
1438        }
1439
1440        public void turnOnTv() {
1441            if (mClient == null) {
1442                return;
1443            }
1444            mClient.oneTouchPlay(new OneTouchPlayCallback() {
1445                @Override
1446                public void onComplete(int result) {
1447                    if (result != HdmiControlManager.RESULT_SUCCESS) {
1448                        Log.w(TAG, "One touch play failed: " + result);
1449                    }
1450                }
1451            });
1452        }
1453    }
1454
1455    private void handleLongPressOnHome(int deviceId) {
1456        if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_NOTHING) {
1457            return;
1458        }
1459        mHomeConsumed = true;
1460        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1461
1462        switch (mLongPressOnHomeBehavior) {
1463            case LONG_PRESS_HOME_RECENT_SYSTEM_UI:
1464                toggleRecentApps();
1465                break;
1466            case LONG_PRESS_HOME_ASSIST:
1467                launchAssistAction(null, deviceId);
1468                break;
1469            default:
1470                Log.w(TAG, "Undefined home long press behavior: " + mLongPressOnHomeBehavior);
1471                break;
1472        }
1473    }
1474
1475    private void handleDoubleTapOnHome() {
1476        if (mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1477            mHomeConsumed = true;
1478            toggleRecentApps();
1479        }
1480    }
1481
1482    private void showTvPictureInPictureMenu(KeyEvent event) {
1483        if (DEBUG_INPUT) Log.d(TAG, "showTvPictureInPictureMenu event=" + event);
1484        mHandler.removeMessages(MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU);
1485        Message msg = mHandler.obtainMessage(MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU);
1486        msg.setAsynchronous(true);
1487        msg.sendToTarget();
1488    }
1489
1490    private void showTvPictureInPictureMenuInternal() {
1491        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
1492        if (statusbar != null) {
1493            statusbar.showTvPictureInPictureMenu();
1494        }
1495    }
1496
1497    private final Runnable mHomeDoubleTapTimeoutRunnable = new Runnable() {
1498        @Override
1499        public void run() {
1500            if (mHomeDoubleTapPending) {
1501                mHomeDoubleTapPending = false;
1502                handleShortPressOnHome();
1503            }
1504        }
1505    };
1506
1507    private boolean isRoundWindow() {
1508        return mContext.getResources().getConfiguration().isScreenRound();
1509    }
1510
1511    /** {@inheritDoc} */
1512    @Override
1513    public void init(Context context, IWindowManager windowManager,
1514            WindowManagerFuncs windowManagerFuncs) {
1515        mContext = context;
1516        mWindowManager = windowManager;
1517        mWindowManagerFuncs = windowManagerFuncs;
1518        mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class);
1519        mActivityManagerInternal = LocalServices.getService(ActivityManagerInternal.class);
1520        mInputManagerInternal = LocalServices.getService(InputManagerInternal.class);
1521        mDreamManagerInternal = LocalServices.getService(DreamManagerInternal.class);
1522        mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class);
1523        mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
1524        mHasFeatureWatch = mContext.getPackageManager().hasSystemFeature(FEATURE_WATCH);
1525
1526        // Init display burn-in protection
1527        boolean burnInProtectionEnabled = context.getResources().getBoolean(
1528                com.android.internal.R.bool.config_enableBurnInProtection);
1529        // Allow a system property to override this. Used by developer settings.
1530        boolean burnInProtectionDevMode =
1531                SystemProperties.getBoolean("persist.debug.force_burn_in", false);
1532        if (burnInProtectionEnabled || burnInProtectionDevMode) {
1533            final int minHorizontal;
1534            final int maxHorizontal;
1535            final int minVertical;
1536            final int maxVertical;
1537            final int maxRadius;
1538            if (burnInProtectionDevMode) {
1539                minHorizontal = -8;
1540                maxHorizontal = 8;
1541                minVertical = -8;
1542                maxVertical = -4;
1543                maxRadius = (isRoundWindow()) ? 6 : -1;
1544            } else {
1545                Resources resources = context.getResources();
1546                minHorizontal = resources.getInteger(
1547                        com.android.internal.R.integer.config_burnInProtectionMinHorizontalOffset);
1548                maxHorizontal = resources.getInteger(
1549                        com.android.internal.R.integer.config_burnInProtectionMaxHorizontalOffset);
1550                minVertical = resources.getInteger(
1551                        com.android.internal.R.integer.config_burnInProtectionMinVerticalOffset);
1552                maxVertical = resources.getInteger(
1553                        com.android.internal.R.integer.config_burnInProtectionMaxVerticalOffset);
1554                maxRadius = resources.getInteger(
1555                        com.android.internal.R.integer.config_burnInProtectionMaxRadius);
1556            }
1557            mBurnInProtectionHelper = new BurnInProtectionHelper(
1558                    context, minHorizontal, maxHorizontal, minVertical, maxVertical, maxRadius);
1559        }
1560
1561        mHandler = new PolicyHandler();
1562        mWakeGestureListener = new MyWakeGestureListener(mContext, mHandler);
1563        mOrientationListener = new MyOrientationListener(mContext, mHandler);
1564        try {
1565            mOrientationListener.setCurrentRotation(windowManager.getRotation());
1566        } catch (RemoteException ex) { }
1567        mSettingsObserver = new SettingsObserver(mHandler);
1568        mSettingsObserver.observe();
1569        mShortcutManager = new ShortcutManager(context);
1570        mUiMode = context.getResources().getInteger(
1571                com.android.internal.R.integer.config_defaultUiModeType);
1572        mHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
1573        mHomeIntent.addCategory(Intent.CATEGORY_HOME);
1574        mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1575                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1576        mEnableCarDockHomeCapture = context.getResources().getBoolean(
1577                com.android.internal.R.bool.config_enableCarDockHomeLaunch);
1578        mCarDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1579        mCarDockIntent.addCategory(Intent.CATEGORY_CAR_DOCK);
1580        mCarDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1581                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1582        mDeskDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1583        mDeskDockIntent.addCategory(Intent.CATEGORY_DESK_DOCK);
1584        mDeskDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1585                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1586
1587        mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
1588        mBroadcastWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1589                "PhoneWindowManager.mBroadcastWakeLock");
1590        mPowerKeyWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1591                "PhoneWindowManager.mPowerKeyWakeLock");
1592        mEnableShiftMenuBugReports = "1".equals(SystemProperties.get("ro.debuggable"));
1593        mSupportAutoRotation = mContext.getResources().getBoolean(
1594                com.android.internal.R.bool.config_supportAutoRotation);
1595        mLidOpenRotation = readRotation(
1596                com.android.internal.R.integer.config_lidOpenRotation);
1597        mCarDockRotation = readRotation(
1598                com.android.internal.R.integer.config_carDockRotation);
1599        mDeskDockRotation = readRotation(
1600                com.android.internal.R.integer.config_deskDockRotation);
1601        mUndockedHdmiRotation = readRotation(
1602                com.android.internal.R.integer.config_undockedHdmiRotation);
1603        mCarDockEnablesAccelerometer = mContext.getResources().getBoolean(
1604                com.android.internal.R.bool.config_carDockEnablesAccelerometer);
1605        mDeskDockEnablesAccelerometer = mContext.getResources().getBoolean(
1606                com.android.internal.R.bool.config_deskDockEnablesAccelerometer);
1607        mLidKeyboardAccessibility = mContext.getResources().getInteger(
1608                com.android.internal.R.integer.config_lidKeyboardAccessibility);
1609        mLidNavigationAccessibility = mContext.getResources().getInteger(
1610                com.android.internal.R.integer.config_lidNavigationAccessibility);
1611        mLidControlsScreenLock = mContext.getResources().getBoolean(
1612                com.android.internal.R.bool.config_lidControlsScreenLock);
1613        mLidControlsSleep = mContext.getResources().getBoolean(
1614                com.android.internal.R.bool.config_lidControlsSleep);
1615        mTranslucentDecorEnabled = mContext.getResources().getBoolean(
1616                com.android.internal.R.bool.config_enableTranslucentDecor);
1617
1618        mAllowTheaterModeWakeFromKey = mContext.getResources().getBoolean(
1619                com.android.internal.R.bool.config_allowTheaterModeWakeFromKey);
1620        mAllowTheaterModeWakeFromPowerKey = mAllowTheaterModeWakeFromKey
1621                || mContext.getResources().getBoolean(
1622                    com.android.internal.R.bool.config_allowTheaterModeWakeFromPowerKey);
1623        mAllowTheaterModeWakeFromMotion = mContext.getResources().getBoolean(
1624                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotion);
1625        mAllowTheaterModeWakeFromMotionWhenNotDreaming = mContext.getResources().getBoolean(
1626                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotionWhenNotDreaming);
1627        mAllowTheaterModeWakeFromCameraLens = mContext.getResources().getBoolean(
1628                com.android.internal.R.bool.config_allowTheaterModeWakeFromCameraLens);
1629        mAllowTheaterModeWakeFromLidSwitch = mContext.getResources().getBoolean(
1630                com.android.internal.R.bool.config_allowTheaterModeWakeFromLidSwitch);
1631        mAllowTheaterModeWakeFromWakeGesture = mContext.getResources().getBoolean(
1632                com.android.internal.R.bool.config_allowTheaterModeWakeFromGesture);
1633
1634        mGoToSleepOnButtonPressTheaterMode = mContext.getResources().getBoolean(
1635                com.android.internal.R.bool.config_goToSleepOnButtonPressTheaterMode);
1636
1637        mSupportLongPressPowerWhenNonInteractive = mContext.getResources().getBoolean(
1638                com.android.internal.R.bool.config_supportLongPressPowerWhenNonInteractive);
1639
1640        mLongPressOnBackBehavior = mContext.getResources().getInteger(
1641                com.android.internal.R.integer.config_longPressOnBackBehavior);
1642
1643        mShortPressOnPowerBehavior = mContext.getResources().getInteger(
1644                com.android.internal.R.integer.config_shortPressOnPowerBehavior);
1645        mLongPressOnPowerBehavior = mContext.getResources().getInteger(
1646                com.android.internal.R.integer.config_longPressOnPowerBehavior);
1647        mDoublePressOnPowerBehavior = mContext.getResources().getInteger(
1648                com.android.internal.R.integer.config_doublePressOnPowerBehavior);
1649        mTriplePressOnPowerBehavior = mContext.getResources().getInteger(
1650                com.android.internal.R.integer.config_triplePressOnPowerBehavior);
1651        mShortPressOnSleepBehavior = mContext.getResources().getInteger(
1652                com.android.internal.R.integer.config_shortPressOnSleepBehavior);
1653
1654        mUseTvRouting = AudioSystem.getPlatformType(mContext) == AudioSystem.PLATFORM_TELEVISION;
1655
1656        readConfigurationDependentBehaviors();
1657
1658        mAccessibilityManager = (AccessibilityManager) context.getSystemService(
1659                Context.ACCESSIBILITY_SERVICE);
1660
1661        // register for dock events
1662        IntentFilter filter = new IntentFilter();
1663        filter.addAction(UiModeManager.ACTION_ENTER_CAR_MODE);
1664        filter.addAction(UiModeManager.ACTION_EXIT_CAR_MODE);
1665        filter.addAction(UiModeManager.ACTION_ENTER_DESK_MODE);
1666        filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
1667        filter.addAction(Intent.ACTION_DOCK_EVENT);
1668        Intent intent = context.registerReceiver(mDockReceiver, filter);
1669        if (intent != null) {
1670            // Retrieve current sticky dock event broadcast.
1671            mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
1672                    Intent.EXTRA_DOCK_STATE_UNDOCKED);
1673        }
1674
1675        // register for dream-related broadcasts
1676        filter = new IntentFilter();
1677        filter.addAction(Intent.ACTION_DREAMING_STARTED);
1678        filter.addAction(Intent.ACTION_DREAMING_STOPPED);
1679        context.registerReceiver(mDreamReceiver, filter);
1680
1681        // register for multiuser-relevant broadcasts
1682        filter = new IntentFilter(Intent.ACTION_USER_SWITCHED);
1683        context.registerReceiver(mMultiuserReceiver, filter);
1684
1685        // monitor for system gestures
1686        mSystemGestures = new SystemGesturesPointerEventListener(context,
1687                new SystemGesturesPointerEventListener.Callbacks() {
1688                    @Override
1689                    public void onSwipeFromTop() {
1690                        if (mStatusBar != null) {
1691                            requestTransientBars(mStatusBar);
1692                        }
1693                    }
1694                    @Override
1695                    public void onSwipeFromBottom() {
1696                        if (mNavigationBar != null && mNavigationBarPosition == NAV_BAR_BOTTOM) {
1697                            requestTransientBars(mNavigationBar);
1698                        }
1699                    }
1700                    @Override
1701                    public void onSwipeFromRight() {
1702                        if (mNavigationBar != null && mNavigationBarPosition == NAV_BAR_RIGHT) {
1703                            requestTransientBars(mNavigationBar);
1704                        }
1705                    }
1706                    @Override
1707                    public void onSwipeFromLeft() {
1708                        if (mNavigationBar != null && mNavigationBarPosition == NAV_BAR_LEFT) {
1709                            requestTransientBars(mNavigationBar);
1710                        }
1711                    }
1712                    @Override
1713                    public void onFling(int duration) {
1714                        if (mPowerManagerInternal != null) {
1715                            mPowerManagerInternal.powerHint(
1716                                    PowerManagerInternal.POWER_HINT_INTERACTION, duration);
1717                        }
1718                    }
1719                    @Override
1720                    public void onDebug() {
1721                        // no-op
1722                    }
1723                    @Override
1724                    public void onDown() {
1725                        mOrientationListener.onTouchStart();
1726                    }
1727                    @Override
1728                    public void onUpOrCancel() {
1729                        mOrientationListener.onTouchEnd();
1730                    }
1731                    @Override
1732                    public void onMouseHoverAtTop() {
1733                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1734                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
1735                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS;
1736                        mHandler.sendMessageDelayed(msg, 500);
1737                    }
1738                    @Override
1739                    public void onMouseHoverAtBottom() {
1740                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1741                        Message msg = mHandler.obtainMessage(MSG_REQUEST_TRANSIENT_BARS);
1742                        msg.arg1 = MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION;
1743                        mHandler.sendMessageDelayed(msg, 500);
1744                    }
1745                    @Override
1746                    public void onMouseLeaveFromEdge() {
1747                        mHandler.removeMessages(MSG_REQUEST_TRANSIENT_BARS);
1748                    }
1749                });
1750        mImmersiveModeConfirmation = new ImmersiveModeConfirmation(mContext);
1751        mWindowManagerFuncs.registerPointerEventListener(mSystemGestures);
1752
1753        mVibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE);
1754        mLongPressVibePattern = getLongIntArray(mContext.getResources(),
1755                com.android.internal.R.array.config_longPressVibePattern);
1756        mVirtualKeyVibePattern = getLongIntArray(mContext.getResources(),
1757                com.android.internal.R.array.config_virtualKeyVibePattern);
1758        mKeyboardTapVibePattern = getLongIntArray(mContext.getResources(),
1759                com.android.internal.R.array.config_keyboardTapVibePattern);
1760        mClockTickVibePattern = getLongIntArray(mContext.getResources(),
1761                com.android.internal.R.array.config_clockTickVibePattern);
1762        mCalendarDateVibePattern = getLongIntArray(mContext.getResources(),
1763                com.android.internal.R.array.config_calendarDateVibePattern);
1764        mSafeModeDisabledVibePattern = getLongIntArray(mContext.getResources(),
1765                com.android.internal.R.array.config_safeModeDisabledVibePattern);
1766        mSafeModeEnabledVibePattern = getLongIntArray(mContext.getResources(),
1767                com.android.internal.R.array.config_safeModeEnabledVibePattern);
1768        mContextClickVibePattern = getLongIntArray(mContext.getResources(),
1769                com.android.internal.R.array.config_contextClickVibePattern);
1770
1771        mScreenshotChordEnabled = mContext.getResources().getBoolean(
1772                com.android.internal.R.bool.config_enableScreenshotChord);
1773
1774        mGlobalKeyManager = new GlobalKeyManager(mContext);
1775
1776        // Controls rotation and the like.
1777        initializeHdmiState();
1778
1779        // Match current screen state.
1780        if (!mPowerManager.isInteractive()) {
1781            startedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1782            finishedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1783        }
1784
1785        mWindowManagerInternal.registerAppTransitionListener(
1786                mStatusBarController.getAppTransitionListener());
1787    }
1788
1789    /**
1790     * Read values from config.xml that may be overridden depending on
1791     * the configuration of the device.
1792     * eg. Disable long press on home goes to recents on sw600dp.
1793     */
1794    private void readConfigurationDependentBehaviors() {
1795        final Resources res = mContext.getResources();
1796
1797        mLongPressOnHomeBehavior = res.getInteger(
1798                com.android.internal.R.integer.config_longPressOnHomeBehavior);
1799        if (mLongPressOnHomeBehavior < LONG_PRESS_HOME_NOTHING ||
1800                mLongPressOnHomeBehavior > LAST_LONG_PRESS_HOME_BEHAVIOR) {
1801            mLongPressOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1802        }
1803
1804        mDoubleTapOnHomeBehavior = res.getInteger(
1805                com.android.internal.R.integer.config_doubleTapOnHomeBehavior);
1806        if (mDoubleTapOnHomeBehavior < DOUBLE_TAP_HOME_NOTHING ||
1807                mDoubleTapOnHomeBehavior > DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1808            mDoubleTapOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1809        }
1810
1811        mShortPressWindowBehavior = SHORT_PRESS_WINDOW_NOTHING;
1812        if (mContext.getPackageManager().hasSystemFeature(FEATURE_PICTURE_IN_PICTURE)) {
1813            mShortPressWindowBehavior = SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE;
1814        }
1815
1816        mNavBarOpacityMode = res.getInteger(
1817                com.android.internal.R.integer.config_navBarOpacityMode);
1818    }
1819
1820    @Override
1821    public void setInitialDisplaySize(Display display, int width, int height, int density) {
1822        // This method might be called before the policy has been fully initialized
1823        // or for other displays we don't care about.
1824        if (mContext == null || display.getDisplayId() != Display.DEFAULT_DISPLAY) {
1825            return;
1826        }
1827        mDisplay = display;
1828
1829        final Resources res = mContext.getResources();
1830        int shortSize, longSize;
1831        if (width > height) {
1832            shortSize = height;
1833            longSize = width;
1834            mLandscapeRotation = Surface.ROTATION_0;
1835            mSeascapeRotation = Surface.ROTATION_180;
1836            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1837                mPortraitRotation = Surface.ROTATION_90;
1838                mUpsideDownRotation = Surface.ROTATION_270;
1839            } else {
1840                mPortraitRotation = Surface.ROTATION_270;
1841                mUpsideDownRotation = Surface.ROTATION_90;
1842            }
1843        } else {
1844            shortSize = width;
1845            longSize = height;
1846            mPortraitRotation = Surface.ROTATION_0;
1847            mUpsideDownRotation = Surface.ROTATION_180;
1848            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1849                mLandscapeRotation = Surface.ROTATION_270;
1850                mSeascapeRotation = Surface.ROTATION_90;
1851            } else {
1852                mLandscapeRotation = Surface.ROTATION_90;
1853                mSeascapeRotation = Surface.ROTATION_270;
1854            }
1855        }
1856
1857        // SystemUI (status bar) layout policy
1858        int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT / density;
1859        int longSizeDp = longSize * DisplayMetrics.DENSITY_DEFAULT / density;
1860
1861        // Allow the navigation bar to move on non-square small devices (phones).
1862        mNavigationBarCanMove = width != height && shortSizeDp < 600;
1863
1864        mHasNavigationBar = res.getBoolean(com.android.internal.R.bool.config_showNavigationBar);
1865
1866        // Allow a system property to override this. Used by the emulator.
1867        // See also hasNavigationBar().
1868        String navBarOverride = SystemProperties.get("qemu.hw.mainkeys");
1869        if ("1".equals(navBarOverride)) {
1870            mHasNavigationBar = false;
1871        } else if ("0".equals(navBarOverride)) {
1872            mHasNavigationBar = true;
1873        }
1874
1875        // For demo purposes, allow the rotation of the HDMI display to be controlled.
1876        // By default, HDMI locks rotation to landscape.
1877        if ("portrait".equals(SystemProperties.get("persist.demo.hdmirotation"))) {
1878            mDemoHdmiRotation = mPortraitRotation;
1879        } else {
1880            mDemoHdmiRotation = mLandscapeRotation;
1881        }
1882        mDemoHdmiRotationLock = SystemProperties.getBoolean("persist.demo.hdmirotationlock", false);
1883
1884        // For demo purposes, allow the rotation of the remote display to be controlled.
1885        // By default, remote display locks rotation to landscape.
1886        if ("portrait".equals(SystemProperties.get("persist.demo.remoterotation"))) {
1887            mDemoRotation = mPortraitRotation;
1888        } else {
1889            mDemoRotation = mLandscapeRotation;
1890        }
1891        mDemoRotationLock = SystemProperties.getBoolean(
1892                "persist.demo.rotationlock", false);
1893
1894        // Only force the default orientation if the screen is xlarge, at least 960dp x 720dp, per
1895        // http://developer.android.com/guide/practices/screens_support.html#range
1896        mForceDefaultOrientation = longSizeDp >= 960 && shortSizeDp >= 720 &&
1897                res.getBoolean(com.android.internal.R.bool.config_forceDefaultOrientation) &&
1898                // For debug purposes the next line turns this feature off with:
1899                // $ adb shell setprop config.override_forced_orient true
1900                // $ adb shell wm size reset
1901                !"true".equals(SystemProperties.get("config.override_forced_orient"));
1902    }
1903
1904    /**
1905     * @return whether the navigation bar can be hidden, e.g. the device has a
1906     *         navigation bar and touch exploration is not enabled
1907     */
1908    private boolean canHideNavigationBar() {
1909        return mHasNavigationBar;
1910    }
1911
1912    @Override
1913    public boolean isDefaultOrientationForced() {
1914        return mForceDefaultOrientation;
1915    }
1916
1917    @Override
1918    public void setDisplayOverscan(Display display, int left, int top, int right, int bottom) {
1919        if (display.getDisplayId() == Display.DEFAULT_DISPLAY) {
1920            mOverscanLeft = left;
1921            mOverscanTop = top;
1922            mOverscanRight = right;
1923            mOverscanBottom = bottom;
1924        }
1925    }
1926
1927    public void updateSettings() {
1928        ContentResolver resolver = mContext.getContentResolver();
1929        boolean updateRotation = false;
1930        synchronized (mLock) {
1931            mEndcallBehavior = Settings.System.getIntForUser(resolver,
1932                    Settings.System.END_BUTTON_BEHAVIOR,
1933                    Settings.System.END_BUTTON_BEHAVIOR_DEFAULT,
1934                    UserHandle.USER_CURRENT);
1935            mIncallPowerBehavior = Settings.Secure.getIntForUser(resolver,
1936                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
1937                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT,
1938                    UserHandle.USER_CURRENT);
1939
1940            // Configure wake gesture.
1941            boolean wakeGestureEnabledSetting = Settings.Secure.getIntForUser(resolver,
1942                    Settings.Secure.WAKE_GESTURE_ENABLED, 0,
1943                    UserHandle.USER_CURRENT) != 0;
1944            if (mWakeGestureEnabledSetting != wakeGestureEnabledSetting) {
1945                mWakeGestureEnabledSetting = wakeGestureEnabledSetting;
1946                updateWakeGestureListenerLp();
1947            }
1948
1949            // Configure rotation lock.
1950            int userRotation = Settings.System.getIntForUser(resolver,
1951                    Settings.System.USER_ROTATION, Surface.ROTATION_0,
1952                    UserHandle.USER_CURRENT);
1953            if (mUserRotation != userRotation) {
1954                mUserRotation = userRotation;
1955                updateRotation = true;
1956            }
1957            int userRotationMode = Settings.System.getIntForUser(resolver,
1958                    Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
1959                            WindowManagerPolicy.USER_ROTATION_FREE :
1960                                    WindowManagerPolicy.USER_ROTATION_LOCKED;
1961            if (mUserRotationMode != userRotationMode) {
1962                mUserRotationMode = userRotationMode;
1963                updateRotation = true;
1964                updateOrientationListenerLp();
1965            }
1966
1967            if (mSystemReady) {
1968                int pointerLocation = Settings.System.getIntForUser(resolver,
1969                        Settings.System.POINTER_LOCATION, 0, UserHandle.USER_CURRENT);
1970                if (mPointerLocationMode != pointerLocation) {
1971                    mPointerLocationMode = pointerLocation;
1972                    mHandler.sendEmptyMessage(pointerLocation != 0 ?
1973                            MSG_ENABLE_POINTER_LOCATION : MSG_DISABLE_POINTER_LOCATION);
1974                }
1975            }
1976            // use screen off timeout setting as the timeout for the lockscreen
1977            mLockScreenTimeout = Settings.System.getIntForUser(resolver,
1978                    Settings.System.SCREEN_OFF_TIMEOUT, 0, UserHandle.USER_CURRENT);
1979            String imId = Settings.Secure.getStringForUser(resolver,
1980                    Settings.Secure.DEFAULT_INPUT_METHOD, UserHandle.USER_CURRENT);
1981            boolean hasSoftInput = imId != null && imId.length() > 0;
1982            if (mHasSoftInput != hasSoftInput) {
1983                mHasSoftInput = hasSoftInput;
1984                updateRotation = true;
1985            }
1986            if (mImmersiveModeConfirmation != null) {
1987                mImmersiveModeConfirmation.loadSetting(mCurrentUserId);
1988            }
1989        }
1990        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
1991            PolicyControl.reloadFromSetting(mContext);
1992        }
1993        if (updateRotation) {
1994            updateRotation(true);
1995        }
1996    }
1997
1998    private void updateWakeGestureListenerLp() {
1999        if (shouldEnableWakeGestureLp()) {
2000            mWakeGestureListener.requestWakeUpTrigger();
2001        } else {
2002            mWakeGestureListener.cancelWakeUpTrigger();
2003        }
2004    }
2005
2006    private boolean shouldEnableWakeGestureLp() {
2007        return mWakeGestureEnabledSetting && !mAwake
2008                && (!mLidControlsSleep || mLidState != LID_CLOSED)
2009                && mWakeGestureListener.isSupported();
2010    }
2011
2012    private void enablePointerLocation() {
2013        if (mPointerLocationView == null) {
2014            mPointerLocationView = new PointerLocationView(mContext);
2015            mPointerLocationView.setPrintCoords(false);
2016            WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
2017                    WindowManager.LayoutParams.MATCH_PARENT,
2018                    WindowManager.LayoutParams.MATCH_PARENT);
2019            lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
2020            lp.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN
2021                    | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
2022                    | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
2023                    | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
2024            if (ActivityManager.isHighEndGfx()) {
2025                lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
2026                lp.privateFlags |=
2027                        WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED;
2028            }
2029            lp.format = PixelFormat.TRANSLUCENT;
2030            lp.setTitle("PointerLocation");
2031            WindowManager wm = (WindowManager)
2032                    mContext.getSystemService(Context.WINDOW_SERVICE);
2033            lp.inputFeatures |= WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL;
2034            wm.addView(mPointerLocationView, lp);
2035            mWindowManagerFuncs.registerPointerEventListener(mPointerLocationView);
2036        }
2037    }
2038
2039    private void disablePointerLocation() {
2040        if (mPointerLocationView != null) {
2041            mWindowManagerFuncs.unregisterPointerEventListener(mPointerLocationView);
2042            WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
2043            wm.removeView(mPointerLocationView);
2044            mPointerLocationView = null;
2045        }
2046    }
2047
2048    private int readRotation(int resID) {
2049        try {
2050            int rotation = mContext.getResources().getInteger(resID);
2051            switch (rotation) {
2052                case 0:
2053                    return Surface.ROTATION_0;
2054                case 90:
2055                    return Surface.ROTATION_90;
2056                case 180:
2057                    return Surface.ROTATION_180;
2058                case 270:
2059                    return Surface.ROTATION_270;
2060            }
2061        } catch (Resources.NotFoundException e) {
2062            // fall through
2063        }
2064        return -1;
2065    }
2066
2067    /** {@inheritDoc} */
2068    @Override
2069    public int checkAddPermission(WindowManager.LayoutParams attrs, int[] outAppOp) {
2070        int type = attrs.type;
2071
2072        outAppOp[0] = AppOpsManager.OP_NONE;
2073
2074        if (!((type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW)
2075                || (type >= FIRST_SUB_WINDOW && type <= LAST_SUB_WINDOW)
2076                || (type >= FIRST_SYSTEM_WINDOW && type <= LAST_SYSTEM_WINDOW))) {
2077            return WindowManagerGlobal.ADD_INVALID_TYPE;
2078        }
2079
2080        if (type < FIRST_SYSTEM_WINDOW || type > LAST_SYSTEM_WINDOW) {
2081            // Window manager will make sure these are okay.
2082            return WindowManagerGlobal.ADD_OKAY;
2083        }
2084        String permission = null;
2085        switch (type) {
2086            case TYPE_TOAST:
2087                // XXX right now the app process has complete control over
2088                // this...  should introduce a token to let the system
2089                // monitor/control what they are doing.
2090                outAppOp[0] = AppOpsManager.OP_TOAST_WINDOW;
2091                break;
2092            case TYPE_DREAM:
2093            case TYPE_INPUT_METHOD:
2094            case TYPE_WALLPAPER:
2095            case TYPE_PRIVATE_PRESENTATION:
2096            case TYPE_VOICE_INTERACTION:
2097            case TYPE_ACCESSIBILITY_OVERLAY:
2098            case TYPE_QS_DIALOG:
2099                // The window manager will check these.
2100                break;
2101            case TYPE_PHONE:
2102            case TYPE_PRIORITY_PHONE:
2103            case TYPE_SYSTEM_ALERT:
2104            case TYPE_SYSTEM_ERROR:
2105            case TYPE_SYSTEM_OVERLAY:
2106                permission = android.Manifest.permission.SYSTEM_ALERT_WINDOW;
2107                outAppOp[0] = AppOpsManager.OP_SYSTEM_ALERT_WINDOW;
2108                break;
2109            default:
2110                permission = android.Manifest.permission.INTERNAL_SYSTEM_WINDOW;
2111        }
2112        if (permission != null) {
2113            if (android.Manifest.permission.SYSTEM_ALERT_WINDOW.equals(permission)) {
2114                final int callingUid = Binder.getCallingUid();
2115                // system processes will be automatically allowed privilege to draw
2116                if (callingUid == Process.SYSTEM_UID) {
2117                    return WindowManagerGlobal.ADD_OKAY;
2118                }
2119
2120                // check if user has enabled this operation. SecurityException will be thrown if
2121                // this app has not been allowed by the user
2122                final int mode = mAppOpsManager.checkOpNoThrow(outAppOp[0], callingUid,
2123                        attrs.packageName);
2124                switch (mode) {
2125                    case AppOpsManager.MODE_ALLOWED:
2126                    case AppOpsManager.MODE_IGNORED:
2127                        // although we return ADD_OKAY for MODE_IGNORED, the added window will
2128                        // actually be hidden in WindowManagerService
2129                        return WindowManagerGlobal.ADD_OKAY;
2130                    case AppOpsManager.MODE_ERRORED:
2131                        try {
2132                            ApplicationInfo appInfo = mContext.getPackageManager()
2133                                    .getApplicationInfo(attrs.packageName,
2134                                            UserHandle.getUserId(callingUid));
2135                            // Don't crash legacy apps
2136                            if (appInfo.targetSdkVersion < Build.VERSION_CODES.M) {
2137                                return WindowManagerGlobal.ADD_OKAY;
2138                            }
2139                        } catch (PackageManager.NameNotFoundException e) {
2140                            /* ignore */
2141                        }
2142                        return WindowManagerGlobal.ADD_PERMISSION_DENIED;
2143                    default:
2144                        // in the default mode, we will make a decision here based on
2145                        // checkCallingPermission()
2146                        if (mContext.checkCallingPermission(permission) !=
2147                                PackageManager.PERMISSION_GRANTED) {
2148                            return WindowManagerGlobal.ADD_PERMISSION_DENIED;
2149                        } else {
2150                            return WindowManagerGlobal.ADD_OKAY;
2151                        }
2152                }
2153            }
2154
2155            if (mContext.checkCallingOrSelfPermission(permission)
2156                    != PackageManager.PERMISSION_GRANTED) {
2157                return WindowManagerGlobal.ADD_PERMISSION_DENIED;
2158            }
2159        }
2160        return WindowManagerGlobal.ADD_OKAY;
2161    }
2162
2163    @Override
2164    public boolean checkShowToOwnerOnly(WindowManager.LayoutParams attrs) {
2165
2166        // If this switch statement is modified, modify the comment in the declarations of
2167        // the type in {@link WindowManager.LayoutParams} as well.
2168        switch (attrs.type) {
2169            default:
2170                // These are the windows that by default are shown only to the user that created
2171                // them. If this needs to be overridden, set
2172                // {@link WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS} in
2173                // {@link WindowManager.LayoutParams}. Note that permission
2174                // {@link android.Manifest.permission.INTERNAL_SYSTEM_WINDOW} is required as well.
2175                if ((attrs.privateFlags & PRIVATE_FLAG_SHOW_FOR_ALL_USERS) == 0) {
2176                    return true;
2177                }
2178                break;
2179
2180            // These are the windows that by default are shown to all users. However, to
2181            // protect against spoofing, check permissions below.
2182            case TYPE_APPLICATION_STARTING:
2183            case TYPE_BOOT_PROGRESS:
2184            case TYPE_DISPLAY_OVERLAY:
2185            case TYPE_INPUT_CONSUMER:
2186            case TYPE_KEYGUARD_SCRIM:
2187            case TYPE_KEYGUARD_DIALOG:
2188            case TYPE_MAGNIFICATION_OVERLAY:
2189            case TYPE_NAVIGATION_BAR:
2190            case TYPE_NAVIGATION_BAR_PANEL:
2191            case TYPE_PHONE:
2192            case TYPE_POINTER:
2193            case TYPE_PRIORITY_PHONE:
2194            case TYPE_SEARCH_BAR:
2195            case TYPE_STATUS_BAR:
2196            case TYPE_STATUS_BAR_PANEL:
2197            case TYPE_STATUS_BAR_SUB_PANEL:
2198            case TYPE_SYSTEM_DIALOG:
2199            case TYPE_VOLUME_OVERLAY:
2200            case TYPE_PRIVATE_PRESENTATION:
2201            case TYPE_DOCK_DIVIDER:
2202                break;
2203        }
2204
2205        // Check if third party app has set window to system window type.
2206        return mContext.checkCallingOrSelfPermission(
2207                android.Manifest.permission.INTERNAL_SYSTEM_WINDOW)
2208                        != PackageManager.PERMISSION_GRANTED;
2209    }
2210
2211    @Override
2212    public void adjustWindowParamsLw(WindowManager.LayoutParams attrs) {
2213        switch (attrs.type) {
2214            case TYPE_SYSTEM_OVERLAY:
2215            case TYPE_SECURE_SYSTEM_OVERLAY:
2216                // These types of windows can't receive input events.
2217                attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
2218                        | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
2219                attrs.flags &= ~WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
2220                break;
2221            case TYPE_STATUS_BAR:
2222
2223                // If the Keyguard is in a hidden state (occluded by another window), we force to
2224                // remove the wallpaper and keyguard flag so that any change in-flight after setting
2225                // the keyguard as occluded wouldn't set these flags again.
2226                // See {@link #processKeyguardSetHiddenResultLw}.
2227                if (mKeyguardHidden) {
2228                    attrs.flags &= ~WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
2229                    attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2230                }
2231                break;
2232        }
2233
2234        if (attrs.type != TYPE_STATUS_BAR) {
2235            // The status bar is the only window allowed to exhibit keyguard behavior.
2236            attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2237        }
2238
2239        if (ActivityManager.isHighEndGfx()) {
2240            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0) {
2241                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
2242            }
2243            final boolean forceWindowDrawsStatusBarBackground =
2244                    (attrs.privateFlags & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND)
2245                            != 0;
2246            if ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0
2247                    || forceWindowDrawsStatusBarBackground
2248                            && attrs.height == MATCH_PARENT && attrs.width == MATCH_PARENT) {
2249                attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
2250            }
2251        }
2252    }
2253
2254    void readLidState() {
2255        mLidState = mWindowManagerFuncs.getLidState();
2256    }
2257
2258    private void readCameraLensCoverState() {
2259        mCameraLensCoverState = mWindowManagerFuncs.getCameraLensCoverState();
2260    }
2261
2262    private boolean isHidden(int accessibilityMode) {
2263        switch (accessibilityMode) {
2264            case 1:
2265                return mLidState == LID_CLOSED;
2266            case 2:
2267                return mLidState == LID_OPEN;
2268            default:
2269                return false;
2270        }
2271    }
2272
2273    /** {@inheritDoc} */
2274    @Override
2275    public void adjustConfigurationLw(Configuration config, int keyboardPresence,
2276            int navigationPresence) {
2277        mHaveBuiltInKeyboard = (keyboardPresence & PRESENCE_INTERNAL) != 0;
2278
2279        readConfigurationDependentBehaviors();
2280        readLidState();
2281
2282        if (config.keyboard == Configuration.KEYBOARD_NOKEYS
2283                || (keyboardPresence == PRESENCE_INTERNAL
2284                        && isHidden(mLidKeyboardAccessibility))) {
2285            config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_YES;
2286            if (!mHasSoftInput) {
2287                config.keyboardHidden = Configuration.KEYBOARDHIDDEN_YES;
2288            }
2289        }
2290
2291        if (config.navigation == Configuration.NAVIGATION_NONAV
2292                || (navigationPresence == PRESENCE_INTERNAL
2293                        && isHidden(mLidNavigationAccessibility))) {
2294            config.navigationHidden = Configuration.NAVIGATIONHIDDEN_YES;
2295        }
2296    }
2297
2298    @Override
2299    public void onConfigurationChanged() {
2300        final Resources res = mContext.getResources();
2301
2302        mStatusBarHeight =
2303                res.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
2304
2305        // Height of the navigation bar when presented horizontally at bottom
2306        mNavigationBarHeightForRotationDefault[mPortraitRotation] =
2307        mNavigationBarHeightForRotationDefault[mUpsideDownRotation] =
2308                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_height);
2309        mNavigationBarHeightForRotationDefault[mLandscapeRotation] =
2310        mNavigationBarHeightForRotationDefault[mSeascapeRotation] = res.getDimensionPixelSize(
2311                com.android.internal.R.dimen.navigation_bar_height_landscape);
2312
2313        // Width of the navigation bar when presented vertically along one side
2314        mNavigationBarWidthForRotationDefault[mPortraitRotation] =
2315        mNavigationBarWidthForRotationDefault[mUpsideDownRotation] =
2316        mNavigationBarWidthForRotationDefault[mLandscapeRotation] =
2317        mNavigationBarWidthForRotationDefault[mSeascapeRotation] =
2318                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_width);
2319
2320        // Height of the navigation bar when presented horizontally at bottom
2321        mNavigationBarHeightForRotationInCarMode[mPortraitRotation] =
2322        mNavigationBarHeightForRotationInCarMode[mUpsideDownRotation] =
2323                res.getDimensionPixelSize(
2324                        com.android.internal.R.dimen.navigation_bar_height_car_mode);
2325        mNavigationBarHeightForRotationInCarMode[mLandscapeRotation] =
2326        mNavigationBarHeightForRotationInCarMode[mSeascapeRotation] = res.getDimensionPixelSize(
2327                com.android.internal.R.dimen.navigation_bar_height_landscape_car_mode);
2328
2329        // Width of the navigation bar when presented vertically along one side
2330        mNavigationBarWidthForRotationInCarMode[mPortraitRotation] =
2331        mNavigationBarWidthForRotationInCarMode[mUpsideDownRotation] =
2332        mNavigationBarWidthForRotationInCarMode[mLandscapeRotation] =
2333        mNavigationBarWidthForRotationInCarMode[mSeascapeRotation] =
2334                res.getDimensionPixelSize(
2335                        com.android.internal.R.dimen.navigation_bar_width_car_mode);
2336    }
2337
2338    /** {@inheritDoc} */
2339    @Override
2340    public int windowTypeToLayerLw(int type) {
2341        if (type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW) {
2342            return 2;
2343        }
2344        switch (type) {
2345        case TYPE_PRIVATE_PRESENTATION:
2346            return 2;
2347        case TYPE_WALLPAPER:
2348            // wallpaper is at the bottom, though the window manager may move it.
2349            return 2;
2350        case TYPE_DOCK_DIVIDER:
2351            return 2;
2352        case TYPE_QS_DIALOG:
2353            return 2;
2354        case TYPE_PHONE:
2355            return 3;
2356        case TYPE_SEARCH_BAR:
2357        case TYPE_VOICE_INTERACTION_STARTING:
2358            return 4;
2359        case TYPE_VOICE_INTERACTION:
2360            // voice interaction layer is almost immediately above apps.
2361            return 5;
2362        case TYPE_INPUT_CONSUMER:
2363            return 6;
2364        case TYPE_SYSTEM_DIALOG:
2365            return 7;
2366        case TYPE_TOAST:
2367            // toasts and the plugged-in battery thing
2368            return 8;
2369        case TYPE_PRIORITY_PHONE:
2370            // SIM errors and unlock.  Not sure if this really should be in a high layer.
2371            return 9;
2372        case TYPE_DREAM:
2373            // used for Dreams (screensavers with TYPE_DREAM windows)
2374            return 10;
2375        case TYPE_SYSTEM_ALERT:
2376            // like the ANR / app crashed dialogs
2377            return 11;
2378        case TYPE_INPUT_METHOD:
2379            // on-screen keyboards and other such input method user interfaces go here.
2380            return 12;
2381        case TYPE_INPUT_METHOD_DIALOG:
2382            // on-screen keyboards and other such input method user interfaces go here.
2383            return 13;
2384        case TYPE_KEYGUARD_SCRIM:
2385            // the safety window that shows behind keyguard while keyguard is starting
2386            return 14;
2387        case TYPE_STATUS_BAR_SUB_PANEL:
2388            return 15;
2389        case TYPE_STATUS_BAR:
2390            return 16;
2391        case TYPE_STATUS_BAR_PANEL:
2392            return 17;
2393        case TYPE_KEYGUARD_DIALOG:
2394            return 18;
2395        case TYPE_VOLUME_OVERLAY:
2396            // the on-screen volume indicator and controller shown when the user
2397            // changes the device volume
2398            return 19;
2399        case TYPE_SYSTEM_OVERLAY:
2400            // the on-screen volume indicator and controller shown when the user
2401            // changes the device volume
2402            return 20;
2403        case TYPE_NAVIGATION_BAR:
2404            // the navigation bar, if available, shows atop most things
2405            return 21;
2406        case TYPE_NAVIGATION_BAR_PANEL:
2407            // some panels (e.g. search) need to show on top of the navigation bar
2408            return 22;
2409        case TYPE_SCREENSHOT:
2410            // screenshot selection layer shouldn't go above system error, but it should cover
2411            // navigation bars at the very least.
2412            return 23;
2413        case TYPE_SYSTEM_ERROR:
2414            // system-level error dialogs
2415            return 24;
2416        case TYPE_MAGNIFICATION_OVERLAY:
2417            // used to highlight the magnified portion of a display
2418            return 25;
2419        case TYPE_DISPLAY_OVERLAY:
2420            // used to simulate secondary display devices
2421            return 26;
2422        case TYPE_DRAG:
2423            // the drag layer: input for drag-and-drop is associated with this window,
2424            // which sits above all other focusable windows
2425            return 27;
2426        case TYPE_ACCESSIBILITY_OVERLAY:
2427            // overlay put by accessibility services to intercept user interaction
2428            return 28;
2429        case TYPE_SECURE_SYSTEM_OVERLAY:
2430            return 29;
2431        case TYPE_BOOT_PROGRESS:
2432            return 30;
2433        case TYPE_POINTER:
2434            // the (mouse) pointer layer
2435            return 31;
2436        }
2437        Log.e(TAG, "Unknown window type: " + type);
2438        return 2;
2439    }
2440
2441    /** {@inheritDoc} */
2442    @Override
2443    public int subWindowTypeToLayerLw(int type) {
2444        switch (type) {
2445        case TYPE_APPLICATION_PANEL:
2446        case TYPE_APPLICATION_ATTACHED_DIALOG:
2447            return APPLICATION_PANEL_SUBLAYER;
2448        case TYPE_APPLICATION_MEDIA:
2449            return APPLICATION_MEDIA_SUBLAYER;
2450        case TYPE_APPLICATION_MEDIA_OVERLAY:
2451            return APPLICATION_MEDIA_OVERLAY_SUBLAYER;
2452        case TYPE_APPLICATION_SUB_PANEL:
2453            return APPLICATION_SUB_PANEL_SUBLAYER;
2454        case TYPE_APPLICATION_ABOVE_SUB_PANEL:
2455            return APPLICATION_ABOVE_SUB_PANEL_SUBLAYER;
2456        }
2457        Log.e(TAG, "Unknown sub-window type: " + type);
2458        return 0;
2459    }
2460
2461    @Override
2462    public int getMaxWallpaperLayer() {
2463        return windowTypeToLayerLw(TYPE_STATUS_BAR);
2464    }
2465
2466    private int getNavigationBarWidth(int rotation, int uiMode) {
2467        if ((uiMode & UI_MODE_TYPE_MASK) == UI_MODE_TYPE_CAR) {
2468            return mNavigationBarWidthForRotationInCarMode[rotation];
2469        } else {
2470            return mNavigationBarWidthForRotationDefault[rotation];
2471        }
2472    }
2473
2474    @Override
2475    public int getNonDecorDisplayWidth(int fullWidth, int fullHeight, int rotation,
2476            int uiMode) {
2477        if (mHasNavigationBar) {
2478            // For a basic navigation bar, when we are in landscape mode we place
2479            // the navigation bar to the side.
2480            if (mNavigationBarCanMove && fullWidth > fullHeight) {
2481                return fullWidth - getNavigationBarWidth(rotation, uiMode);
2482            }
2483        }
2484        return fullWidth;
2485    }
2486
2487    private int getNavigationBarHeight(int rotation, int uiMode) {
2488        if ((uiMode & UI_MODE_TYPE_MASK) == UI_MODE_TYPE_CAR) {
2489            return mNavigationBarHeightForRotationInCarMode[rotation];
2490        } else {
2491            return mNavigationBarHeightForRotationDefault[rotation];
2492        }
2493    }
2494
2495    @Override
2496    public int getNonDecorDisplayHeight(int fullWidth, int fullHeight, int rotation,
2497            int uiMode) {
2498        if (mHasNavigationBar) {
2499            // For a basic navigation bar, when we are in portrait mode we place
2500            // the navigation bar to the bottom.
2501            if (!mNavigationBarCanMove || fullWidth < fullHeight) {
2502                return fullHeight - getNavigationBarHeight(rotation, uiMode);
2503            }
2504        }
2505        return fullHeight;
2506    }
2507
2508    @Override
2509    public int getConfigDisplayWidth(int fullWidth, int fullHeight, int rotation, int uiMode) {
2510        return getNonDecorDisplayWidth(fullWidth, fullHeight, rotation, uiMode);
2511    }
2512
2513    @Override
2514    public int getConfigDisplayHeight(int fullWidth, int fullHeight, int rotation, int uiMode) {
2515        // There is a separate status bar at the top of the display.  We don't count that as part
2516        // of the fixed decor, since it can hide; however, for purposes of configurations,
2517        // we do want to exclude it since applications can't generally use that part
2518        // of the screen.
2519        return getNonDecorDisplayHeight(
2520                fullWidth, fullHeight, rotation, uiMode) - mStatusBarHeight;
2521    }
2522
2523    @Override
2524    public boolean isForceHiding(WindowManager.LayoutParams attrs) {
2525        return (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 ||
2526                (isKeyguardHostWindow(attrs) &&
2527                        (mKeyguardDelegate != null && mKeyguardDelegate.isShowing())) ||
2528                (attrs.type == TYPE_KEYGUARD_SCRIM);
2529    }
2530
2531    @Override
2532    public boolean isKeyguardHostWindow(WindowManager.LayoutParams attrs) {
2533        return attrs.type == TYPE_STATUS_BAR;
2534    }
2535
2536    @Override
2537    public boolean canBeForceHidden(WindowState win, WindowManager.LayoutParams attrs) {
2538        switch (attrs.type) {
2539            case TYPE_STATUS_BAR:
2540            case TYPE_NAVIGATION_BAR:
2541            case TYPE_WALLPAPER:
2542            case TYPE_DREAM:
2543            case TYPE_KEYGUARD_SCRIM:
2544                return false;
2545            default:
2546                // Hide only windows below the keyguard host window.
2547                return windowTypeToLayerLw(win.getBaseType())
2548                        < windowTypeToLayerLw(TYPE_STATUS_BAR);
2549        }
2550    }
2551
2552    @Override
2553    public WindowState getWinShowWhenLockedLw() {
2554        return mWinShowWhenLocked;
2555    }
2556
2557    /** {@inheritDoc} */
2558    @Override
2559    public View addStartingWindow(IBinder appToken, String packageName, int theme,
2560            CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes,
2561            int icon, int logo, int windowFlags, Configuration overrideConfig) {
2562        if (!SHOW_STARTING_ANIMATIONS) {
2563            return null;
2564        }
2565        if (packageName == null) {
2566            return null;
2567        }
2568
2569        WindowManager wm = null;
2570        View view = null;
2571
2572        try {
2573            Context context = mContext;
2574            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow " + packageName
2575                    + ": nonLocalizedLabel=" + nonLocalizedLabel + " theme="
2576                    + Integer.toHexString(theme));
2577            if (theme != context.getThemeResId() || labelRes != 0) {
2578                try {
2579                    context = context.createPackageContext(packageName, 0);
2580                    context.setTheme(theme);
2581                } catch (PackageManager.NameNotFoundException e) {
2582                    // Ignore
2583                }
2584            }
2585
2586            if (overrideConfig != null && overrideConfig != EMPTY) {
2587                if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow: creating context based"
2588                        + " on overrideConfig" + overrideConfig + " for starting window");
2589                final Context overrideContext = context.createConfigurationContext(overrideConfig);
2590                overrideContext.setTheme(theme);
2591                final TypedArray typedArray = overrideContext.obtainStyledAttributes(
2592                        com.android.internal.R.styleable.Window);
2593                final int resId = typedArray.getResourceId(R.styleable.Window_windowBackground, 0);
2594                if (resId != 0 && overrideContext.getDrawable(resId) != null) {
2595                    // We want to use the windowBackground for the override context if it is
2596                    // available, otherwise we use the default one to make sure a themed starting
2597                    // window is displayed for the app.
2598                    if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow: apply overrideConfig"
2599                            + overrideConfig + " to starting window resId=" + resId);
2600                    context = overrideContext;
2601                }
2602            }
2603
2604            final PhoneWindow win = new PhoneWindow(context);
2605            win.setIsStartingWindow(true);
2606
2607            CharSequence label = context.getResources().getText(labelRes, null);
2608            // Only change the accessibility title if the label is localized
2609            if (label != null) {
2610                win.setTitle(label, true);
2611            } else {
2612                win.setTitle(nonLocalizedLabel, false);
2613            }
2614
2615            win.setType(
2616                WindowManager.LayoutParams.TYPE_APPLICATION_STARTING);
2617
2618            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
2619                // Assumes it's safe to show starting windows of launched apps while
2620                // the keyguard is being hidden. This is okay because starting windows never show
2621                // secret information.
2622                if (mKeyguardHidden) {
2623                    windowFlags |= FLAG_SHOW_WHEN_LOCKED;
2624                }
2625            }
2626
2627            // Force the window flags: this is a fake window, so it is not really
2628            // touchable or focusable by the user.  We also add in the ALT_FOCUSABLE_IM
2629            // flag because we do know that the next window will take input
2630            // focus, so we want to get the IME window up on top of us right away.
2631            win.setFlags(
2632                windowFlags|
2633                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2634                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2635                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
2636                windowFlags|
2637                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2638                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2639                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
2640
2641            win.setDefaultIcon(icon);
2642            win.setDefaultLogo(logo);
2643
2644            win.setLayout(WindowManager.LayoutParams.MATCH_PARENT,
2645                    WindowManager.LayoutParams.MATCH_PARENT);
2646
2647            final WindowManager.LayoutParams params = win.getAttributes();
2648            params.token = appToken;
2649            params.packageName = packageName;
2650            params.windowAnimations = win.getWindowStyle().getResourceId(
2651                    com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
2652            params.privateFlags |=
2653                    WindowManager.LayoutParams.PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED;
2654            params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
2655
2656            if (!compatInfo.supportsScreen()) {
2657                params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW;
2658            }
2659
2660            params.setTitle("Starting " + packageName);
2661
2662            wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
2663            view = win.getDecorView();
2664
2665            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "Adding starting window for "
2666                + packageName + " / " + appToken + ": " + (view.getParent() != null ? view : null));
2667
2668            wm.addView(view, params);
2669
2670            // Only return the view if it was successfully added to the
2671            // window manager... which we can tell by it having a parent.
2672            return view.getParent() != null ? view : null;
2673        } catch (WindowManager.BadTokenException e) {
2674            // ignore
2675            Log.w(TAG, appToken + " already running, starting window not displayed. " +
2676                    e.getMessage());
2677        } catch (RuntimeException e) {
2678            // don't crash if something else bad happens, for example a
2679            // failure loading resources because we are loading from an app
2680            // on external storage that has been unmounted.
2681            Log.w(TAG, appToken + " failed creating starting window", e);
2682        } finally {
2683            if (view != null && view.getParent() == null) {
2684                Log.w(TAG, "view not successfully added to wm, removing view");
2685                wm.removeViewImmediate(view);
2686            }
2687        }
2688
2689        return null;
2690    }
2691
2692    /** {@inheritDoc} */
2693    @Override
2694    public void removeStartingWindow(IBinder appToken, View window) {
2695        if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Removing starting window for " + appToken + ": "
2696                + window + " Callers=" + Debug.getCallers(4));
2697
2698        if (window != null) {
2699            WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
2700            wm.removeView(window);
2701        }
2702    }
2703
2704    /**
2705     * Preflight adding a window to the system.
2706     *
2707     * Currently enforces that three window types are singletons:
2708     * <ul>
2709     * <li>STATUS_BAR_TYPE</li>
2710     * <li>KEYGUARD_TYPE</li>
2711     * </ul>
2712     *
2713     * @param win The window to be added
2714     * @param attrs Information about the window to be added
2715     *
2716     * @return If ok, WindowManagerImpl.ADD_OKAY.  If too many singletons,
2717     * WindowManagerImpl.ADD_MULTIPLE_SINGLETON
2718     */
2719    @Override
2720    public int prepareAddWindowLw(WindowState win, WindowManager.LayoutParams attrs) {
2721        switch (attrs.type) {
2722            case TYPE_STATUS_BAR:
2723                mContext.enforceCallingOrSelfPermission(
2724                        android.Manifest.permission.STATUS_BAR_SERVICE,
2725                        "PhoneWindowManager");
2726                if (mStatusBar != null) {
2727                    if (mStatusBar.isAlive()) {
2728                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2729                    }
2730                }
2731                mStatusBar = win;
2732                mStatusBarController.setWindow(win);
2733                break;
2734            case TYPE_NAVIGATION_BAR:
2735                mContext.enforceCallingOrSelfPermission(
2736                        android.Manifest.permission.STATUS_BAR_SERVICE,
2737                        "PhoneWindowManager");
2738                if (mNavigationBar != null) {
2739                    if (mNavigationBar.isAlive()) {
2740                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2741                    }
2742                }
2743                mNavigationBar = win;
2744                mNavigationBarController.setWindow(win);
2745                if (DEBUG_LAYOUT) Slog.i(TAG, "NAVIGATION BAR: " + mNavigationBar);
2746                break;
2747            case TYPE_NAVIGATION_BAR_PANEL:
2748            case TYPE_STATUS_BAR_PANEL:
2749            case TYPE_STATUS_BAR_SUB_PANEL:
2750            case TYPE_VOICE_INTERACTION_STARTING:
2751                mContext.enforceCallingOrSelfPermission(
2752                        android.Manifest.permission.STATUS_BAR_SERVICE,
2753                        "PhoneWindowManager");
2754                break;
2755            case TYPE_KEYGUARD_SCRIM:
2756                if (mKeyguardScrim != null) {
2757                    return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2758                }
2759                mKeyguardScrim = win;
2760                break;
2761        }
2762        return WindowManagerGlobal.ADD_OKAY;
2763    }
2764
2765    /** {@inheritDoc} */
2766    @Override
2767    public void removeWindowLw(WindowState win) {
2768        if (mStatusBar == win) {
2769            mStatusBar = null;
2770            mStatusBarController.setWindow(null);
2771            mKeyguardDelegate.showScrim();
2772        } else if (mKeyguardScrim == win) {
2773            Log.v(TAG, "Removing keyguard scrim");
2774            mKeyguardScrim = null;
2775        } if (mNavigationBar == win) {
2776            mNavigationBar = null;
2777            mNavigationBarController.setWindow(null);
2778        }
2779    }
2780
2781    static final boolean PRINT_ANIM = false;
2782
2783    /** {@inheritDoc} */
2784    @Override
2785    public int selectAnimationLw(WindowState win, int transit) {
2786        if (PRINT_ANIM) Log.i(TAG, "selectAnimation in " + win
2787              + ": transit=" + transit);
2788        if (win == mStatusBar) {
2789            boolean isKeyguard = (win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
2790            if (transit == TRANSIT_EXIT
2791                    || transit == TRANSIT_HIDE) {
2792                return isKeyguard ? -1 : R.anim.dock_top_exit;
2793            } else if (transit == TRANSIT_ENTER
2794                    || transit == TRANSIT_SHOW) {
2795                return isKeyguard ? -1 : R.anim.dock_top_enter;
2796            }
2797        } else if (win == mNavigationBar) {
2798            if (win.getAttrs().windowAnimations != 0) {
2799                return 0;
2800            }
2801            // This can be on either the bottom or the right or the left.
2802            if (mNavigationBarPosition == NAV_BAR_BOTTOM) {
2803                if (transit == TRANSIT_EXIT
2804                        || transit == TRANSIT_HIDE) {
2805                    return R.anim.dock_bottom_exit;
2806                } else if (transit == TRANSIT_ENTER
2807                        || transit == TRANSIT_SHOW) {
2808                    return R.anim.dock_bottom_enter;
2809                }
2810            } else if (mNavigationBarPosition == NAV_BAR_RIGHT) {
2811                if (transit == TRANSIT_EXIT
2812                        || transit == TRANSIT_HIDE) {
2813                    return R.anim.dock_right_exit;
2814                } else if (transit == TRANSIT_ENTER
2815                        || transit == TRANSIT_SHOW) {
2816                    return R.anim.dock_right_enter;
2817                }
2818            } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
2819                if (transit == TRANSIT_EXIT
2820                        || transit == TRANSIT_HIDE) {
2821                    return R.anim.dock_left_exit;
2822                } else if (transit == TRANSIT_ENTER
2823                        || transit == TRANSIT_SHOW) {
2824                    return R.anim.dock_left_enter;
2825                }
2826            }
2827        } else if (win.getAttrs().type == TYPE_DOCK_DIVIDER) {
2828            return selectDockedDividerAnimationLw(win, transit);
2829        }
2830
2831        if (transit == TRANSIT_PREVIEW_DONE) {
2832            if (win.hasAppShownWindows()) {
2833                if (PRINT_ANIM) Log.i(TAG, "**** STARTING EXIT");
2834                return com.android.internal.R.anim.app_starting_exit;
2835            }
2836        } else if (win.getAttrs().type == TYPE_DREAM && mDreamingLockscreen
2837                && transit == TRANSIT_ENTER) {
2838            // Special case: we are animating in a dream, while the keyguard
2839            // is shown.  We don't want an animation on the dream, because
2840            // we need it shown immediately with the keyguard animating away
2841            // to reveal it.
2842            return -1;
2843        }
2844
2845        return 0;
2846    }
2847
2848    private int selectDockedDividerAnimationLw(WindowState win, int transit) {
2849        int insets = mWindowManagerFuncs.getDockedDividerInsetsLw();
2850
2851        // If the divider is behind the navigation bar, don't animate.
2852        final Rect frame = win.getFrameLw();
2853        final boolean behindNavBar = mNavigationBar != null
2854                && ((mNavigationBarPosition == NAV_BAR_BOTTOM
2855                        && frame.top + insets >= mNavigationBar.getFrameLw().top)
2856                || (mNavigationBarPosition == NAV_BAR_RIGHT
2857                        && frame.left + insets >= mNavigationBar.getFrameLw().left)
2858                || (mNavigationBarPosition == NAV_BAR_LEFT
2859                        && frame.right - insets <= mNavigationBar.getFrameLw().right));
2860        final boolean landscape = frame.height() > frame.width();
2861        final boolean offscreenLandscape = landscape && (frame.right - insets <= 0
2862                || frame.left + insets >= win.getDisplayFrameLw().right);
2863        final boolean offscreenPortrait = !landscape && (frame.top - insets <= 0
2864                || frame.bottom + insets >= win.getDisplayFrameLw().bottom);
2865        final boolean offscreen = offscreenLandscape || offscreenPortrait;
2866        if (behindNavBar || offscreen) {
2867            return 0;
2868        }
2869        if (transit == TRANSIT_ENTER || transit == TRANSIT_SHOW) {
2870            return R.anim.fade_in;
2871        } else if (transit == TRANSIT_EXIT) {
2872            return R.anim.fade_out;
2873        } else {
2874            return 0;
2875        }
2876    }
2877
2878    @Override
2879    public void selectRotationAnimationLw(int anim[]) {
2880        if (PRINT_ANIM) Slog.i(TAG, "selectRotationAnimation mTopFullscreen="
2881                + mTopFullscreenOpaqueWindowState + " rotationAnimation="
2882                + (mTopFullscreenOpaqueWindowState == null ?
2883                        "0" : mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation));
2884        if (mTopFullscreenOpaqueWindowState != null) {
2885            int animationHint = mTopFullscreenOpaqueWindowState.getRotationAnimationHint();
2886            if (animationHint < 0 && mTopIsFullscreen) {
2887                animationHint = mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation;
2888            }
2889            switch (animationHint) {
2890                case ROTATION_ANIMATION_CROSSFADE:
2891                    anim[0] = R.anim.rotation_animation_xfade_exit;
2892                    anim[1] = R.anim.rotation_animation_enter;
2893                    break;
2894                case ROTATION_ANIMATION_JUMPCUT:
2895                    anim[0] = R.anim.rotation_animation_jump_exit;
2896                    anim[1] = R.anim.rotation_animation_enter;
2897                    break;
2898                case ROTATION_ANIMATION_ROTATE:
2899                default:
2900                    anim[0] = anim[1] = 0;
2901                    break;
2902            }
2903        } else {
2904            anim[0] = anim[1] = 0;
2905        }
2906    }
2907
2908    @Override
2909    public boolean validateRotationAnimationLw(int exitAnimId, int enterAnimId,
2910            boolean forceDefault) {
2911        switch (exitAnimId) {
2912            case R.anim.rotation_animation_xfade_exit:
2913            case R.anim.rotation_animation_jump_exit:
2914                // These are the only cases that matter.
2915                if (forceDefault) {
2916                    return false;
2917                }
2918                int anim[] = new int[2];
2919                selectRotationAnimationLw(anim);
2920                return (exitAnimId == anim[0] && enterAnimId == anim[1]);
2921            default:
2922                return true;
2923        }
2924    }
2925
2926    @Override
2927    public Animation createForceHideEnterAnimation(boolean onWallpaper,
2928            boolean goingToNotificationShade) {
2929        if (goingToNotificationShade) {
2930            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_behind_enter_fade_in);
2931        }
2932
2933        AnimationSet set = (AnimationSet) AnimationUtils.loadAnimation(mContext, onWallpaper ?
2934                    R.anim.lock_screen_behind_enter_wallpaper :
2935                    R.anim.lock_screen_behind_enter);
2936
2937        // TODO: Use XML interpolators when we have log interpolators available in XML.
2938        final List<Animation> animations = set.getAnimations();
2939        for (int i = animations.size() - 1; i >= 0; --i) {
2940            animations.get(i).setInterpolator(mLogDecelerateInterpolator);
2941        }
2942
2943        return set;
2944    }
2945
2946
2947    @Override
2948    public Animation createForceHideWallpaperExitAnimation(boolean goingToNotificationShade) {
2949        if (goingToNotificationShade) {
2950            return null;
2951        } else {
2952            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_wallpaper_exit);
2953        }
2954    }
2955
2956    private static void awakenDreams() {
2957        IDreamManager dreamManager = getDreamManager();
2958        if (dreamManager != null) {
2959            try {
2960                dreamManager.awaken();
2961            } catch (RemoteException e) {
2962                // fine, stay asleep then
2963            }
2964        }
2965    }
2966
2967    static IDreamManager getDreamManager() {
2968        return IDreamManager.Stub.asInterface(
2969                ServiceManager.checkService(DreamService.DREAM_SERVICE));
2970    }
2971
2972    TelecomManager getTelecommService() {
2973        return (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE);
2974    }
2975
2976    static IAudioService getAudioService() {
2977        IAudioService audioService = IAudioService.Stub.asInterface(
2978                ServiceManager.checkService(Context.AUDIO_SERVICE));
2979        if (audioService == null) {
2980            Log.w(TAG, "Unable to find IAudioService interface.");
2981        }
2982        return audioService;
2983    }
2984
2985    boolean keyguardOn() {
2986        return isKeyguardShowingAndNotOccluded() || inKeyguardRestrictedKeyInputMode();
2987    }
2988
2989    private static final int[] WINDOW_TYPES_WHERE_HOME_DOESNT_WORK = {
2990            WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
2991            WindowManager.LayoutParams.TYPE_SYSTEM_ERROR,
2992        };
2993
2994    /** {@inheritDoc} */
2995    @Override
2996    public long interceptKeyBeforeDispatching(WindowState win, KeyEvent event, int policyFlags) {
2997        final boolean keyguardOn = keyguardOn();
2998        final int keyCode = event.getKeyCode();
2999        final int repeatCount = event.getRepeatCount();
3000        final int metaState = event.getMetaState();
3001        final int flags = event.getFlags();
3002        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
3003        final boolean canceled = event.isCanceled();
3004
3005        if (DEBUG_INPUT) {
3006            Log.d(TAG, "interceptKeyTi keyCode=" + keyCode + " down=" + down + " repeatCount="
3007                    + repeatCount + " keyguardOn=" + keyguardOn + " mHomePressed=" + mHomePressed
3008                    + " canceled=" + canceled);
3009        }
3010
3011        // If we think we might have a volume down & power key chord on the way
3012        // but we're not sure, then tell the dispatcher to wait a little while and
3013        // try again later before dispatching.
3014        if (mScreenshotChordEnabled && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
3015            if (mScreenshotChordVolumeDownKeyTriggered && !mScreenshotChordPowerKeyTriggered) {
3016                final long now = SystemClock.uptimeMillis();
3017                final long timeoutTime = mScreenshotChordVolumeDownKeyTime
3018                        + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
3019                if (now < timeoutTime) {
3020                    return timeoutTime - now;
3021                }
3022            }
3023            if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
3024                    && mScreenshotChordVolumeDownKeyConsumed) {
3025                if (!down) {
3026                    mScreenshotChordVolumeDownKeyConsumed = false;
3027                }
3028                return -1;
3029            }
3030        }
3031
3032        // Cancel any pending meta actions if we see any other keys being pressed between the down
3033        // of the meta key and its corresponding up.
3034        if (mPendingMetaAction && !KeyEvent.isMetaKey(keyCode)) {
3035            mPendingMetaAction = false;
3036        }
3037        // Any key that is not Alt or Meta cancels Caps Lock combo tracking.
3038        if (mPendingCapsLockToggle && !KeyEvent.isMetaKey(keyCode) && !KeyEvent.isAltKey(keyCode)) {
3039            mPendingCapsLockToggle = false;
3040        }
3041
3042        // First we always handle the home key here, so applications
3043        // can never break it, although if keyguard is on, we do let
3044        // it handle it, because that gives us the correct 5 second
3045        // timeout.
3046        if (keyCode == KeyEvent.KEYCODE_HOME) {
3047
3048            // If we have released the home key, and didn't do anything else
3049            // while it was pressed, then it is time to go home!
3050            if (!down) {
3051                cancelPreloadRecentApps();
3052
3053                mHomePressed = false;
3054                if (mHomeConsumed) {
3055                    mHomeConsumed = false;
3056                    return -1;
3057                }
3058
3059                if (canceled) {
3060                    Log.i(TAG, "Ignoring HOME; event canceled.");
3061                    return -1;
3062                }
3063
3064                // Delay handling home if a double-tap is possible.
3065                if (mDoubleTapOnHomeBehavior != DOUBLE_TAP_HOME_NOTHING) {
3066                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable); // just in case
3067                    mHomeDoubleTapPending = true;
3068                    mHandler.postDelayed(mHomeDoubleTapTimeoutRunnable,
3069                            ViewConfiguration.getDoubleTapTimeout());
3070                    return -1;
3071                }
3072
3073                handleShortPressOnHome();
3074                return -1;
3075            }
3076
3077            // If a system window has focus, then it doesn't make sense
3078            // right now to interact with applications.
3079            WindowManager.LayoutParams attrs = win != null ? win.getAttrs() : null;
3080            if (attrs != null) {
3081                final int type = attrs.type;
3082                if (type == WindowManager.LayoutParams.TYPE_KEYGUARD_SCRIM
3083                        || type == WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG
3084                        || (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
3085                    // the "app" is keyguard, so give it the key
3086                    return 0;
3087                }
3088                final int typeCount = WINDOW_TYPES_WHERE_HOME_DOESNT_WORK.length;
3089                for (int i=0; i<typeCount; i++) {
3090                    if (type == WINDOW_TYPES_WHERE_HOME_DOESNT_WORK[i]) {
3091                        // don't do anything, but also don't pass it to the app
3092                        return -1;
3093                    }
3094                }
3095            }
3096
3097            // Remember that home is pressed and handle special actions.
3098            if (repeatCount == 0) {
3099                mHomePressed = true;
3100                if (mHomeDoubleTapPending) {
3101                    mHomeDoubleTapPending = false;
3102                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable);
3103                    handleDoubleTapOnHome();
3104                } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI
3105                        || mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
3106                    preloadRecentApps();
3107                }
3108            } else if ((event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) {
3109                if (!keyguardOn) {
3110                    handleLongPressOnHome(event.getDeviceId());
3111                }
3112            }
3113            return -1;
3114        } else if (keyCode == KeyEvent.KEYCODE_MENU) {
3115            // Hijack modified menu keys for debugging features
3116            final int chordBug = KeyEvent.META_SHIFT_ON;
3117
3118            if (down && repeatCount == 0) {
3119                if (mEnableShiftMenuBugReports && (metaState & chordBug) == chordBug) {
3120                    Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
3121                    mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT,
3122                            null, null, null, 0, null, null);
3123                    return -1;
3124                } else if (SHOW_PROCESSES_ON_ALT_MENU &&
3125                        (metaState & KeyEvent.META_ALT_ON) == KeyEvent.META_ALT_ON) {
3126                    Intent service = new Intent();
3127                    service.setClassName(mContext, "com.android.server.LoadAverageService");
3128                    ContentResolver res = mContext.getContentResolver();
3129                    boolean shown = Settings.Global.getInt(
3130                            res, Settings.Global.SHOW_PROCESSES, 0) != 0;
3131                    if (!shown) {
3132                        mContext.startService(service);
3133                    } else {
3134                        mContext.stopService(service);
3135                    }
3136                    Settings.Global.putInt(
3137                            res, Settings.Global.SHOW_PROCESSES, shown ? 0 : 1);
3138                    return -1;
3139                }
3140            }
3141        } else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
3142            if (down) {
3143                if (repeatCount == 0) {
3144                    mSearchKeyShortcutPending = true;
3145                    mConsumeSearchKeyUp = false;
3146                }
3147            } else {
3148                mSearchKeyShortcutPending = false;
3149                if (mConsumeSearchKeyUp) {
3150                    mConsumeSearchKeyUp = false;
3151                    return -1;
3152                }
3153            }
3154            return 0;
3155        } else if (keyCode == KeyEvent.KEYCODE_APP_SWITCH) {
3156            if (!keyguardOn) {
3157                if (down && repeatCount == 0) {
3158                    preloadRecentApps();
3159                } else if (!down) {
3160                    toggleRecentApps();
3161                }
3162            }
3163            return -1;
3164        } else if (keyCode == KeyEvent.KEYCODE_N && event.isMetaPressed()) {
3165            if (down) {
3166                IStatusBarService service = getStatusBarService();
3167                if (service != null) {
3168                    try {
3169                        service.expandNotificationsPanel();
3170                    } catch (RemoteException e) {
3171                        // do nothing.
3172                    }
3173                }
3174            }
3175        } else if (keyCode == KeyEvent.KEYCODE_S && event.isMetaPressed()
3176                && event.isCtrlPressed()) {
3177            if (down && repeatCount == 0) {
3178                int type = event.isShiftPressed() ? TAKE_SCREENSHOT_SELECTED_REGION
3179                        : TAKE_SCREENSHOT_FULLSCREEN;
3180                mScreenshotRunnable.setScreenshotType(type);
3181                mHandler.post(mScreenshotRunnable);
3182                return -1;
3183            }
3184        } else if (keyCode == KeyEvent.KEYCODE_SLASH && event.isMetaPressed()) {
3185            if (down && repeatCount == 0 && !isKeyguardLocked()) {
3186                toggleKeyboardShortcutsMenu(event.getDeviceId());
3187            }
3188        } else if (keyCode == KeyEvent.KEYCODE_ASSIST) {
3189            if (down) {
3190                if (repeatCount == 0) {
3191                    mAssistKeyLongPressed = false;
3192                } else if (repeatCount == 1) {
3193                    mAssistKeyLongPressed = true;
3194                    if (!keyguardOn) {
3195                         launchAssistLongPressAction();
3196                    }
3197                }
3198            } else {
3199                if (mAssistKeyLongPressed) {
3200                    mAssistKeyLongPressed = false;
3201                } else {
3202                    if (!keyguardOn) {
3203                        launchAssistAction(null, event.getDeviceId());
3204                    }
3205                }
3206            }
3207            return -1;
3208        } else if (keyCode == KeyEvent.KEYCODE_VOICE_ASSIST) {
3209            if (!down) {
3210                Intent voiceIntent;
3211                if (!keyguardOn) {
3212                    voiceIntent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
3213                } else {
3214                    IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
3215                            ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
3216                    if (dic != null) {
3217                        try {
3218                            dic.exitIdle("voice-search");
3219                        } catch (RemoteException e) {
3220                        }
3221                    }
3222                    voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
3223                    voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, true);
3224                }
3225                startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
3226            }
3227        } else if (keyCode == KeyEvent.KEYCODE_SYSRQ) {
3228            if (down && repeatCount == 0) {
3229                mScreenshotRunnable.setScreenshotType(TAKE_SCREENSHOT_FULLSCREEN);
3230                mHandler.post(mScreenshotRunnable);
3231            }
3232            return -1;
3233        } else if (keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP
3234                || keyCode == KeyEvent.KEYCODE_BRIGHTNESS_DOWN) {
3235            if (down) {
3236                int direction = keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP ? 1 : -1;
3237
3238                // Disable autobrightness if it's on
3239                int auto = Settings.System.getIntForUser(
3240                        mContext.getContentResolver(),
3241                        Settings.System.SCREEN_BRIGHTNESS_MODE,
3242                        Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
3243                        UserHandle.USER_CURRENT_OR_SELF);
3244                if (auto != 0) {
3245                    Settings.System.putIntForUser(mContext.getContentResolver(),
3246                            Settings.System.SCREEN_BRIGHTNESS_MODE,
3247                            Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
3248                            UserHandle.USER_CURRENT_OR_SELF);
3249                }
3250
3251                int min = mPowerManager.getMinimumScreenBrightnessSetting();
3252                int max = mPowerManager.getMaximumScreenBrightnessSetting();
3253                int step = (max - min + BRIGHTNESS_STEPS - 1) / BRIGHTNESS_STEPS * direction;
3254                int brightness = Settings.System.getIntForUser(mContext.getContentResolver(),
3255                        Settings.System.SCREEN_BRIGHTNESS,
3256                        mPowerManager.getDefaultScreenBrightnessSetting(),
3257                        UserHandle.USER_CURRENT_OR_SELF);
3258                brightness += step;
3259                // Make sure we don't go beyond the limits.
3260                brightness = Math.min(max, brightness);
3261                brightness = Math.max(min, brightness);
3262
3263                Settings.System.putIntForUser(mContext.getContentResolver(),
3264                        Settings.System.SCREEN_BRIGHTNESS, brightness,
3265                        UserHandle.USER_CURRENT_OR_SELF);
3266                startActivityAsUser(new Intent(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG),
3267                        UserHandle.CURRENT_OR_SELF);
3268            }
3269            return -1;
3270        } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP
3271                || keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
3272                || keyCode == KeyEvent.KEYCODE_VOLUME_MUTE) {
3273            if (mUseTvRouting) {
3274                // On TVs volume keys never go to the foreground app.
3275                dispatchDirectAudioEvent(event);
3276                return -1;
3277            }
3278        }
3279
3280        // Toggle Caps Lock on META-ALT.
3281        boolean actionTriggered = false;
3282        if (KeyEvent.isModifierKey(keyCode)) {
3283            if (!mPendingCapsLockToggle) {
3284                // Start tracking meta state for combo.
3285                mInitialMetaState = mMetaState;
3286                mPendingCapsLockToggle = true;
3287            } else if (event.getAction() == KeyEvent.ACTION_UP) {
3288                int altOnMask = mMetaState & KeyEvent.META_ALT_MASK;
3289                int metaOnMask = mMetaState & KeyEvent.META_META_MASK;
3290
3291                // Check for Caps Lock toggle
3292                if ((metaOnMask != 0) && (altOnMask != 0)) {
3293                    // Check if nothing else is pressed
3294                    if (mInitialMetaState == (mMetaState ^ (altOnMask | metaOnMask))) {
3295                        // Handle Caps Lock Toggle
3296                        mInputManagerInternal.toggleCapsLock(event.getDeviceId());
3297                        actionTriggered = true;
3298                    }
3299                }
3300
3301                // Always stop tracking when key goes up.
3302                mPendingCapsLockToggle = false;
3303            }
3304        }
3305        // Store current meta state to be able to evaluate it later.
3306        mMetaState = metaState;
3307
3308        if (actionTriggered) {
3309            return -1;
3310        }
3311
3312        if (KeyEvent.isMetaKey(keyCode)) {
3313            if (down) {
3314                mPendingMetaAction = true;
3315            } else if (mPendingMetaAction) {
3316                launchAssistAction(Intent.EXTRA_ASSIST_INPUT_HINT_KEYBOARD, event.getDeviceId());
3317            }
3318            return -1;
3319        }
3320
3321        // Shortcuts are invoked through Search+key, so intercept those here
3322        // Any printing key that is chorded with Search should be consumed
3323        // even if no shortcut was invoked.  This prevents text from being
3324        // inadvertently inserted when using a keyboard that has built-in macro
3325        // shortcut keys (that emit Search+x) and some of them are not registered.
3326        if (mSearchKeyShortcutPending) {
3327            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3328            if (kcm.isPrintingKey(keyCode)) {
3329                mConsumeSearchKeyUp = true;
3330                mSearchKeyShortcutPending = false;
3331                if (down && repeatCount == 0 && !keyguardOn) {
3332                    Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState);
3333                    if (shortcutIntent != null) {
3334                        shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3335                        try {
3336                            startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3337                            dismissKeyboardShortcutsMenu();
3338                        } catch (ActivityNotFoundException ex) {
3339                            Slog.w(TAG, "Dropping shortcut key combination because "
3340                                    + "the activity to which it is registered was not found: "
3341                                    + "SEARCH+" + KeyEvent.keyCodeToString(keyCode), ex);
3342                        }
3343                    } else {
3344                        Slog.i(TAG, "Dropping unregistered shortcut key combination: "
3345                                + "SEARCH+" + KeyEvent.keyCodeToString(keyCode));
3346                    }
3347                }
3348                return -1;
3349            }
3350        }
3351
3352        // Invoke shortcuts using Meta.
3353        if (down && repeatCount == 0 && !keyguardOn
3354                && (metaState & KeyEvent.META_META_ON) != 0) {
3355            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3356            if (kcm.isPrintingKey(keyCode)) {
3357                Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode,
3358                        metaState & ~(KeyEvent.META_META_ON
3359                                | KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_RIGHT_ON));
3360                if (shortcutIntent != null) {
3361                    shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3362                    try {
3363                        startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
3364                        dismissKeyboardShortcutsMenu();
3365                    } catch (ActivityNotFoundException ex) {
3366                        Slog.w(TAG, "Dropping shortcut key combination because "
3367                                + "the activity to which it is registered was not found: "
3368                                + "META+" + KeyEvent.keyCodeToString(keyCode), ex);
3369                    }
3370                    return -1;
3371                }
3372            }
3373        }
3374
3375        // Handle application launch keys.
3376        if (down && repeatCount == 0 && !keyguardOn) {
3377            String category = sApplicationLaunchKeyCategories.get(keyCode);
3378            if (category != null) {
3379                Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, category);
3380                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3381                try {
3382                    startActivityAsUser(intent, UserHandle.CURRENT);
3383                    dismissKeyboardShortcutsMenu();
3384                } catch (ActivityNotFoundException ex) {
3385                    Slog.w(TAG, "Dropping application launch key because "
3386                            + "the activity to which it is registered was not found: "
3387                            + "keyCode=" + keyCode + ", category=" + category, ex);
3388                }
3389                return -1;
3390            }
3391        }
3392
3393        // Display task switcher for ALT-TAB.
3394        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_TAB) {
3395            if (mRecentAppsHeldModifiers == 0 && !keyguardOn && isUserSetupComplete()) {
3396                final int shiftlessModifiers = event.getModifiers() & ~KeyEvent.META_SHIFT_MASK;
3397                if (KeyEvent.metaStateHasModifiers(shiftlessModifiers, KeyEvent.META_ALT_ON)) {
3398                    mRecentAppsHeldModifiers = shiftlessModifiers;
3399                    showRecentApps(true, false);
3400                    return -1;
3401                }
3402            }
3403        } else if (!down && mRecentAppsHeldModifiers != 0
3404                && (metaState & mRecentAppsHeldModifiers) == 0) {
3405            mRecentAppsHeldModifiers = 0;
3406            hideRecentApps(true, false);
3407        }
3408
3409        // Handle input method switching.
3410        if (down && repeatCount == 0
3411                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3412                        || (keyCode == KeyEvent.KEYCODE_SPACE
3413                                && (metaState & KeyEvent.META_META_MASK) != 0))) {
3414            final boolean forwardDirection = (metaState & KeyEvent.META_SHIFT_MASK) == 0;
3415            mWindowManagerFuncs.switchInputMethod(forwardDirection);
3416            return -1;
3417        }
3418        if (mLanguageSwitchKeyPressed && !down
3419                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3420                        || keyCode == KeyEvent.KEYCODE_SPACE)) {
3421            mLanguageSwitchKeyPressed = false;
3422            return -1;
3423        }
3424
3425        if (isValidGlobalKey(keyCode)
3426                && mGlobalKeyManager.handleGlobalKey(mContext, keyCode, event)) {
3427            return -1;
3428        }
3429
3430        if (down) {
3431            long shortcutCode = keyCode;
3432            if (event.isCtrlPressed()) {
3433                shortcutCode |= ((long) KeyEvent.META_CTRL_ON) << Integer.SIZE;
3434            }
3435
3436            if (event.isAltPressed()) {
3437                shortcutCode |= ((long) KeyEvent.META_ALT_ON) << Integer.SIZE;
3438            }
3439
3440            if (event.isShiftPressed()) {
3441                shortcutCode |= ((long) KeyEvent.META_SHIFT_ON) << Integer.SIZE;
3442            }
3443
3444            if (event.isMetaPressed()) {
3445                shortcutCode |= ((long) KeyEvent.META_META_ON) << Integer.SIZE;
3446            }
3447
3448            IShortcutService shortcutService = mShortcutKeyServices.get(shortcutCode);
3449            if (shortcutService != null) {
3450                try {
3451                    if (isUserSetupComplete()) {
3452                        shortcutService.notifyShortcutKeyPressed(shortcutCode);
3453                    }
3454                } catch (RemoteException e) {
3455                    mShortcutKeyServices.delete(shortcutCode);
3456                }
3457                return -1;
3458            }
3459        }
3460
3461        // Reserve all the META modifier combos for system behavior
3462        if ((metaState & KeyEvent.META_META_ON) != 0) {
3463            return -1;
3464        }
3465
3466        // Let the application handle the key.
3467        return 0;
3468    }
3469
3470    /** {@inheritDoc} */
3471    @Override
3472    public KeyEvent dispatchUnhandledKey(WindowState win, KeyEvent event, int policyFlags) {
3473        // Note: This method is only called if the initial down was unhandled.
3474        if (DEBUG_INPUT) {
3475            Slog.d(TAG, "Unhandled key: win=" + win + ", action=" + event.getAction()
3476                    + ", flags=" + event.getFlags()
3477                    + ", keyCode=" + event.getKeyCode()
3478                    + ", scanCode=" + event.getScanCode()
3479                    + ", metaState=" + event.getMetaState()
3480                    + ", repeatCount=" + event.getRepeatCount()
3481                    + ", policyFlags=" + policyFlags);
3482        }
3483
3484        KeyEvent fallbackEvent = null;
3485        if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
3486            final KeyCharacterMap kcm = event.getKeyCharacterMap();
3487            final int keyCode = event.getKeyCode();
3488            final int metaState = event.getMetaState();
3489            final boolean initialDown = event.getAction() == KeyEvent.ACTION_DOWN
3490                    && event.getRepeatCount() == 0;
3491
3492            // Check for fallback actions specified by the key character map.
3493            final FallbackAction fallbackAction;
3494            if (initialDown) {
3495                fallbackAction = kcm.getFallbackAction(keyCode, metaState);
3496            } else {
3497                fallbackAction = mFallbackActions.get(keyCode);
3498            }
3499
3500            if (fallbackAction != null) {
3501                if (DEBUG_INPUT) {
3502                    Slog.d(TAG, "Fallback: keyCode=" + fallbackAction.keyCode
3503                            + " metaState=" + Integer.toHexString(fallbackAction.metaState));
3504                }
3505
3506                final int flags = event.getFlags() | KeyEvent.FLAG_FALLBACK;
3507                fallbackEvent = KeyEvent.obtain(
3508                        event.getDownTime(), event.getEventTime(),
3509                        event.getAction(), fallbackAction.keyCode,
3510                        event.getRepeatCount(), fallbackAction.metaState,
3511                        event.getDeviceId(), event.getScanCode(),
3512                        flags, event.getSource(), null);
3513
3514                if (!interceptFallback(win, fallbackEvent, policyFlags)) {
3515                    fallbackEvent.recycle();
3516                    fallbackEvent = null;
3517                }
3518
3519                if (initialDown) {
3520                    mFallbackActions.put(keyCode, fallbackAction);
3521                } else if (event.getAction() == KeyEvent.ACTION_UP) {
3522                    mFallbackActions.remove(keyCode);
3523                    fallbackAction.recycle();
3524                }
3525            }
3526        }
3527
3528        if (DEBUG_INPUT) {
3529            if (fallbackEvent == null) {
3530                Slog.d(TAG, "No fallback.");
3531            } else {
3532                Slog.d(TAG, "Performing fallback: " + fallbackEvent);
3533            }
3534        }
3535        return fallbackEvent;
3536    }
3537
3538    private boolean interceptFallback(WindowState win, KeyEvent fallbackEvent, int policyFlags) {
3539        int actions = interceptKeyBeforeQueueing(fallbackEvent, policyFlags);
3540        if ((actions & ACTION_PASS_TO_USER) != 0) {
3541            long delayMillis = interceptKeyBeforeDispatching(
3542                    win, fallbackEvent, policyFlags);
3543            if (delayMillis == 0) {
3544                return true;
3545            }
3546        }
3547        return false;
3548    }
3549
3550    @Override
3551    public void registerShortcutKey(long shortcutCode, IShortcutService shortcutService)
3552            throws RemoteException {
3553        synchronized (mLock) {
3554            IShortcutService service = mShortcutKeyServices.get(shortcutCode);
3555            if (service != null && service.asBinder().pingBinder()) {
3556                throw new RemoteException("Key already exists.");
3557            }
3558
3559            mShortcutKeyServices.put(shortcutCode, shortcutService);
3560        }
3561    }
3562
3563    private void launchAssistLongPressAction() {
3564        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
3565        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3566
3567        // launch the search activity
3568        Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
3569        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3570        try {
3571            // TODO: This only stops the factory-installed search manager.
3572            // Need to formalize an API to handle others
3573            SearchManager searchManager = getSearchManager();
3574            if (searchManager != null) {
3575                searchManager.stopSearch();
3576            }
3577            startActivityAsUser(intent, UserHandle.CURRENT);
3578        } catch (ActivityNotFoundException e) {
3579            Slog.w(TAG, "No activity to handle assist long press action.", e);
3580        }
3581    }
3582
3583    private void launchAssistAction(String hint, int deviceId) {
3584        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3585        if (!isUserSetupComplete()) {
3586            // Disable opening assist window during setup
3587            return;
3588        }
3589        Bundle args = null;
3590        if (deviceId > Integer.MIN_VALUE) {
3591            args = new Bundle();
3592            args.putInt(Intent.EXTRA_ASSIST_INPUT_DEVICE_ID, deviceId);
3593        }
3594        if ((mContext.getResources().getConfiguration().uiMode
3595                & Configuration.UI_MODE_TYPE_MASK) == Configuration.UI_MODE_TYPE_TELEVISION) {
3596            // On TV, use legacy handling until assistants are implemented in the proper way.
3597            ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
3598                    .launchLegacyAssist(hint, UserHandle.myUserId(), args);
3599        } else {
3600            if (hint != null) {
3601                if (args == null) {
3602                    args = new Bundle();
3603                }
3604                args.putBoolean(hint, true);
3605            }
3606            StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3607            if (statusbar != null) {
3608                statusbar.startAssist(args);
3609            }
3610        }
3611    }
3612
3613    private void startActivityAsUser(Intent intent, UserHandle handle) {
3614        if (isUserSetupComplete()) {
3615            mContext.startActivityAsUser(intent, handle);
3616        } else {
3617            Slog.i(TAG, "Not starting activity because user setup is in progress: " + intent);
3618        }
3619    }
3620
3621    private SearchManager getSearchManager() {
3622        if (mSearchManager == null) {
3623            mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
3624        }
3625        return mSearchManager;
3626    }
3627
3628    private void preloadRecentApps() {
3629        mPreloadedRecentApps = true;
3630        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3631        if (statusbar != null) {
3632            statusbar.preloadRecentApps();
3633        }
3634    }
3635
3636    private void cancelPreloadRecentApps() {
3637        if (mPreloadedRecentApps) {
3638            mPreloadedRecentApps = false;
3639            StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3640            if (statusbar != null) {
3641                statusbar.cancelPreloadRecentApps();
3642            }
3643        }
3644    }
3645
3646    private void toggleRecentApps() {
3647        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3648        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3649        if (statusbar != null) {
3650            statusbar.toggleRecentApps();
3651        }
3652    }
3653
3654    @Override
3655    public void showRecentApps(boolean fromHome) {
3656        mHandler.removeMessages(MSG_DISPATCH_SHOW_RECENTS);
3657        mHandler.obtainMessage(MSG_DISPATCH_SHOW_RECENTS, fromHome ? 1 : 0, 0).sendToTarget();
3658    }
3659
3660    private void showRecentApps(boolean triggeredFromAltTab, boolean fromHome) {
3661        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3662        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3663        if (statusbar != null) {
3664            statusbar.showRecentApps(triggeredFromAltTab, fromHome);
3665        }
3666    }
3667
3668    private void toggleKeyboardShortcutsMenu(int deviceId) {
3669        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3670        if (statusbar != null) {
3671            statusbar.toggleKeyboardShortcutsMenu(deviceId);
3672        }
3673    }
3674
3675    private void dismissKeyboardShortcutsMenu() {
3676        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3677        if (statusbar != null) {
3678            statusbar.dismissKeyboardShortcutsMenu();
3679        }
3680    }
3681
3682    private void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHome) {
3683        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3684        StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
3685        if (statusbar != null) {
3686            statusbar.hideRecentApps(triggeredFromAltTab, triggeredFromHome);
3687        }
3688    }
3689
3690    void launchHomeFromHotKey() {
3691        launchHomeFromHotKey(true /* awakenFromDreams */, true /*respectKeyguard*/);
3692    }
3693
3694    /**
3695     * A home key -> launch home action was detected.  Take the appropriate action
3696     * given the situation with the keyguard.
3697     */
3698    void launchHomeFromHotKey(final boolean awakenFromDreams, final boolean respectKeyguard) {
3699        if (respectKeyguard) {
3700            if (isKeyguardShowingAndNotOccluded()) {
3701                // don't launch home if keyguard showing
3702                return;
3703            }
3704
3705            if (!mHideLockScreen && mKeyguardDelegate.isInputRestricted()) {
3706                // when in keyguard restricted mode, must first verify unlock
3707                // before launching home
3708                mKeyguardDelegate.verifyUnlock(new OnKeyguardExitResult() {
3709                    @Override
3710                    public void onKeyguardExitResult(boolean success) {
3711                        if (success) {
3712                            try {
3713                                ActivityManagerNative.getDefault().stopAppSwitches();
3714                            } catch (RemoteException e) {
3715                            }
3716                            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3717                            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3718                        }
3719                    }
3720                });
3721                return;
3722            }
3723        }
3724
3725        // no keyguard stuff to worry about, just launch home!
3726        try {
3727            ActivityManagerNative.getDefault().stopAppSwitches();
3728        } catch (RemoteException e) {
3729        }
3730        if (mRecentsVisible) {
3731            // Hide Recents and notify it to launch Home
3732            if (awakenFromDreams) {
3733                awakenDreams();
3734            }
3735            hideRecentApps(false, true);
3736        } else {
3737            // Otherwise, just launch Home
3738            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3739            startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3740        }
3741    }
3742
3743    private final Runnable mClearHideNavigationFlag = new Runnable() {
3744        @Override
3745        public void run() {
3746            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3747                // Clear flags.
3748                mForceClearedSystemUiFlags &=
3749                        ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3750            }
3751            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3752        }
3753    };
3754
3755    /**
3756     * Input handler used while nav bar is hidden.  Captures any touch on the screen,
3757     * to determine when the nav bar should be shown and prevent applications from
3758     * receiving those touches.
3759     */
3760    final class HideNavInputEventReceiver extends InputEventReceiver {
3761        public HideNavInputEventReceiver(InputChannel inputChannel, Looper looper) {
3762            super(inputChannel, looper);
3763        }
3764
3765        @Override
3766        public void onInputEvent(InputEvent event) {
3767            boolean handled = false;
3768            try {
3769                if (event instanceof MotionEvent
3770                        && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
3771                    final MotionEvent motionEvent = (MotionEvent)event;
3772                    if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
3773                        // When the user taps down, we re-show the nav bar.
3774                        boolean changed = false;
3775                        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3776                            if (mInputConsumer == null) {
3777                                return;
3778                            }
3779                            // Any user activity always causes us to show the
3780                            // navigation controls, if they had been hidden.
3781                            // We also clear the low profile and only content
3782                            // flags so that tapping on the screen will atomically
3783                            // restore all currently hidden screen decorations.
3784                            int newVal = mResettingSystemUiFlags |
3785                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
3786                                    View.SYSTEM_UI_FLAG_LOW_PROFILE |
3787                                    View.SYSTEM_UI_FLAG_FULLSCREEN;
3788                            if (mResettingSystemUiFlags != newVal) {
3789                                mResettingSystemUiFlags = newVal;
3790                                changed = true;
3791                            }
3792                            // We don't allow the system's nav bar to be hidden
3793                            // again for 1 second, to prevent applications from
3794                            // spamming us and keeping it from being shown.
3795                            newVal = mForceClearedSystemUiFlags |
3796                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3797                            if (mForceClearedSystemUiFlags != newVal) {
3798                                mForceClearedSystemUiFlags = newVal;
3799                                changed = true;
3800                                mHandler.postDelayed(mClearHideNavigationFlag, 1000);
3801                            }
3802                        }
3803                        if (changed) {
3804                            mWindowManagerFuncs.reevaluateStatusBarVisibility();
3805                        }
3806                    }
3807                }
3808            } finally {
3809                finishInputEvent(event, handled);
3810            }
3811        }
3812    }
3813    final InputEventReceiver.Factory mHideNavInputEventReceiverFactory =
3814            new InputEventReceiver.Factory() {
3815        @Override
3816        public InputEventReceiver createInputEventReceiver(
3817                InputChannel inputChannel, Looper looper) {
3818            return new HideNavInputEventReceiver(inputChannel, looper);
3819        }
3820    };
3821
3822    @Override
3823    public int adjustSystemUiVisibilityLw(int visibility) {
3824        mStatusBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3825        mNavigationBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3826        mRecentsVisible = (visibility & View.RECENT_APPS_VISIBLE) > 0;
3827        mTvPictureInPictureVisible = (visibility & View.TV_PICTURE_IN_PICTURE_VISIBLE) > 0;
3828
3829        // Reset any bits in mForceClearingStatusBarVisibility that
3830        // are now clear.
3831        mResettingSystemUiFlags &= visibility;
3832        // Clear any bits in the new visibility that are currently being
3833        // force cleared, before reporting it.
3834        return visibility & ~mResettingSystemUiFlags
3835                & ~mForceClearedSystemUiFlags;
3836    }
3837
3838    @Override
3839    public boolean getInsetHintLw(WindowManager.LayoutParams attrs, Rect taskBounds,
3840            int displayRotation, int displayWidth, int displayHeight, Rect outContentInsets,
3841            Rect outStableInsets, Rect outOutsets) {
3842        final int fl = PolicyControl.getWindowFlags(null, attrs);
3843        final int sysuiVis = PolicyControl.getSystemUiVisibility(null, attrs);
3844        final int systemUiVisibility = (sysuiVis | attrs.subtreeSystemUiVisibility);
3845
3846        final boolean useOutsets = outOutsets != null && shouldUseOutsets(attrs, fl);
3847        if (useOutsets) {
3848            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
3849            if (outset > 0) {
3850                if (displayRotation == Surface.ROTATION_0) {
3851                    outOutsets.bottom += outset;
3852                } else if (displayRotation == Surface.ROTATION_90) {
3853                    outOutsets.right += outset;
3854                } else if (displayRotation == Surface.ROTATION_180) {
3855                    outOutsets.top += outset;
3856                } else if (displayRotation == Surface.ROTATION_270) {
3857                    outOutsets.left += outset;
3858                }
3859            }
3860        }
3861
3862        if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3863                == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3864            int availRight, availBottom;
3865            if (canHideNavigationBar() &&
3866                    (systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0) {
3867                availRight = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3868                availBottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3869            } else {
3870                availRight = mRestrictedScreenLeft + mRestrictedScreenWidth;
3871                availBottom = mRestrictedScreenTop + mRestrictedScreenHeight;
3872            }
3873            if ((systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3874                if ((fl & FLAG_FULLSCREEN) != 0) {
3875                    outContentInsets.set(mStableFullscreenLeft, mStableFullscreenTop,
3876                            availRight - mStableFullscreenRight,
3877                            availBottom - mStableFullscreenBottom);
3878                } else {
3879                    outContentInsets.set(mStableLeft, mStableTop,
3880                            availRight - mStableRight, availBottom - mStableBottom);
3881                }
3882            } else if ((fl & FLAG_FULLSCREEN) != 0 || (fl & FLAG_LAYOUT_IN_OVERSCAN) != 0) {
3883                outContentInsets.setEmpty();
3884            } else if ((systemUiVisibility & (View.SYSTEM_UI_FLAG_FULLSCREEN
3885                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)) == 0) {
3886                outContentInsets.set(mCurLeft, mCurTop,
3887                        availRight - mCurRight, availBottom - mCurBottom);
3888            } else {
3889                outContentInsets.set(mCurLeft, mCurTop,
3890                        availRight - mCurRight, availBottom - mCurBottom);
3891            }
3892
3893            outStableInsets.set(mStableLeft, mStableTop,
3894                    availRight - mStableRight, availBottom - mStableBottom);
3895            if (taskBounds != null) {
3896                calculateRelevantTaskInsets(taskBounds, outContentInsets,
3897                        displayWidth, displayHeight);
3898                calculateRelevantTaskInsets(taskBounds, outStableInsets,
3899                        displayWidth, displayHeight);
3900            }
3901            return mForceShowSystemBars;
3902        }
3903        outContentInsets.setEmpty();
3904        outStableInsets.setEmpty();
3905        return mForceShowSystemBars;
3906    }
3907
3908    /**
3909     * For any given task bounds, the insets relevant for these bounds given the insets relevant
3910     * for the entire display.
3911     */
3912    private void calculateRelevantTaskInsets(Rect taskBounds, Rect inOutInsets, int displayWidth,
3913            int displayHeight) {
3914        mTmpRect.set(0, 0, displayWidth, displayHeight);
3915        mTmpRect.inset(inOutInsets);
3916        mTmpRect.intersect(taskBounds);
3917        int leftInset = mTmpRect.left - taskBounds.left;
3918        int topInset = mTmpRect.top - taskBounds.top;
3919        int rightInset = taskBounds.right - mTmpRect.right;
3920        int bottomInset = taskBounds.bottom - mTmpRect.bottom;
3921        inOutInsets.set(leftInset, topInset, rightInset, bottomInset);
3922    }
3923
3924    private boolean shouldUseOutsets(WindowManager.LayoutParams attrs, int fl) {
3925        return attrs.type == TYPE_WALLPAPER || (fl & (WindowManager.LayoutParams.FLAG_FULLSCREEN
3926                | WindowManager.LayoutParams.FLAG_LAYOUT_IN_OVERSCAN)) != 0;
3927    }
3928
3929    /** {@inheritDoc} */
3930    @Override
3931    public void beginLayoutLw(boolean isDefaultDisplay, int displayWidth, int displayHeight,
3932                              int displayRotation, int uiMode) {
3933        mDisplayRotation = displayRotation;
3934        final int overscanLeft, overscanTop, overscanRight, overscanBottom;
3935        if (isDefaultDisplay) {
3936            switch (displayRotation) {
3937                case Surface.ROTATION_90:
3938                    overscanLeft = mOverscanTop;
3939                    overscanTop = mOverscanRight;
3940                    overscanRight = mOverscanBottom;
3941                    overscanBottom = mOverscanLeft;
3942                    break;
3943                case Surface.ROTATION_180:
3944                    overscanLeft = mOverscanRight;
3945                    overscanTop = mOverscanBottom;
3946                    overscanRight = mOverscanLeft;
3947                    overscanBottom = mOverscanTop;
3948                    break;
3949                case Surface.ROTATION_270:
3950                    overscanLeft = mOverscanBottom;
3951                    overscanTop = mOverscanLeft;
3952                    overscanRight = mOverscanTop;
3953                    overscanBottom = mOverscanRight;
3954                    break;
3955                default:
3956                    overscanLeft = mOverscanLeft;
3957                    overscanTop = mOverscanTop;
3958                    overscanRight = mOverscanRight;
3959                    overscanBottom = mOverscanBottom;
3960                    break;
3961            }
3962        } else {
3963            overscanLeft = 0;
3964            overscanTop = 0;
3965            overscanRight = 0;
3966            overscanBottom = 0;
3967        }
3968        mOverscanScreenLeft = mRestrictedOverscanScreenLeft = 0;
3969        mOverscanScreenTop = mRestrictedOverscanScreenTop = 0;
3970        mOverscanScreenWidth = mRestrictedOverscanScreenWidth = displayWidth;
3971        mOverscanScreenHeight = mRestrictedOverscanScreenHeight = displayHeight;
3972        mSystemLeft = 0;
3973        mSystemTop = 0;
3974        mSystemRight = displayWidth;
3975        mSystemBottom = displayHeight;
3976        mUnrestrictedScreenLeft = overscanLeft;
3977        mUnrestrictedScreenTop = overscanTop;
3978        mUnrestrictedScreenWidth = displayWidth - overscanLeft - overscanRight;
3979        mUnrestrictedScreenHeight = displayHeight - overscanTop - overscanBottom;
3980        mRestrictedScreenLeft = mUnrestrictedScreenLeft;
3981        mRestrictedScreenTop = mUnrestrictedScreenTop;
3982        mRestrictedScreenWidth = mSystemGestures.screenWidth = mUnrestrictedScreenWidth;
3983        mRestrictedScreenHeight = mSystemGestures.screenHeight = mUnrestrictedScreenHeight;
3984        mDockLeft = mContentLeft = mVoiceContentLeft = mStableLeft = mStableFullscreenLeft
3985                = mCurLeft = mUnrestrictedScreenLeft;
3986        mDockTop = mContentTop = mVoiceContentTop = mStableTop = mStableFullscreenTop
3987                = mCurTop = mUnrestrictedScreenTop;
3988        mDockRight = mContentRight = mVoiceContentRight = mStableRight = mStableFullscreenRight
3989                = mCurRight = displayWidth - overscanRight;
3990        mDockBottom = mContentBottom = mVoiceContentBottom = mStableBottom = mStableFullscreenBottom
3991                = mCurBottom = displayHeight - overscanBottom;
3992        mDockLayer = 0x10000000;
3993        mStatusBarLayer = -1;
3994
3995        // start with the current dock rect, which will be (0,0,displayWidth,displayHeight)
3996        final Rect pf = mTmpParentFrame;
3997        final Rect df = mTmpDisplayFrame;
3998        final Rect of = mTmpOverscanFrame;
3999        final Rect vf = mTmpVisibleFrame;
4000        final Rect dcf = mTmpDecorFrame;
4001        pf.left = df.left = of.left = vf.left = mDockLeft;
4002        pf.top = df.top = of.top = vf.top = mDockTop;
4003        pf.right = df.right = of.right = vf.right = mDockRight;
4004        pf.bottom = df.bottom = of.bottom = vf.bottom = mDockBottom;
4005        dcf.setEmpty();  // Decor frame N/A for system bars.
4006
4007        if (isDefaultDisplay) {
4008            // For purposes of putting out fake window up to steal focus, we will
4009            // drive nav being hidden only by whether it is requested.
4010            final int sysui = mLastSystemUiFlags;
4011            boolean navVisible = (sysui & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0;
4012            boolean navTranslucent = (sysui
4013                    & (View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT)) != 0;
4014            boolean immersive = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
4015            boolean immersiveSticky = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
4016            boolean navAllowedHidden = immersive || immersiveSticky;
4017            navTranslucent &= !immersiveSticky;  // transient trumps translucent
4018            boolean isKeyguardShowing = isStatusBarKeyguard() && !mHideLockScreen;
4019            if (!isKeyguardShowing) {
4020                navTranslucent &= areTranslucentBarsAllowed();
4021            }
4022            boolean statusBarExpandedNotKeyguard = !isKeyguardShowing && mStatusBar != null
4023                    && mStatusBar.getAttrs().height == MATCH_PARENT
4024                    && mStatusBar.getAttrs().width == MATCH_PARENT;
4025
4026            // When the navigation bar isn't visible, we put up a fake
4027            // input window to catch all touch events.  This way we can
4028            // detect when the user presses anywhere to bring back the nav
4029            // bar and ensure the application doesn't see the event.
4030            if (navVisible || navAllowedHidden) {
4031                if (mInputConsumer != null) {
4032                    mHandler.sendMessage(
4033                            mHandler.obtainMessage(MSG_DISPOSE_INPUT_CONSUMER, mInputConsumer));
4034                    mInputConsumer = null;
4035                }
4036            } else if (mInputConsumer == null) {
4037                mInputConsumer = mWindowManagerFuncs.addInputConsumer(mHandler.getLooper(),
4038                        mHideNavInputEventReceiverFactory);
4039            }
4040
4041            // For purposes of positioning and showing the nav bar, if we have
4042            // decided that it can't be hidden (because of the screen aspect ratio),
4043            // then take that into account.
4044            navVisible |= !canHideNavigationBar();
4045
4046            boolean updateSysUiVisibility = layoutNavigationBar(displayWidth, displayHeight,
4047                    displayRotation, uiMode, overscanLeft, overscanRight, overscanBottom, dcf, navVisible, navTranslucent,
4048                    navAllowedHidden, statusBarExpandedNotKeyguard);
4049            if (DEBUG_LAYOUT) Slog.i(TAG, String.format("mDock rect: (%d,%d - %d,%d)",
4050                    mDockLeft, mDockTop, mDockRight, mDockBottom));
4051            updateSysUiVisibility |= layoutStatusBar(pf, df, of, vf, dcf, sysui, isKeyguardShowing);
4052            if (updateSysUiVisibility) {
4053                updateSystemUiVisibilityLw();
4054            }
4055        }
4056    }
4057
4058    private boolean layoutStatusBar(Rect pf, Rect df, Rect of, Rect vf, Rect dcf, int sysui,
4059            boolean isKeyguardShowing) {
4060        // decide where the status bar goes ahead of time
4061        if (mStatusBar != null) {
4062            // apply any navigation bar insets
4063            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4064            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4065            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
4066            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight
4067                    + mUnrestrictedScreenTop;
4068            vf.left = mStableLeft;
4069            vf.top = mStableTop;
4070            vf.right = mStableRight;
4071            vf.bottom = mStableBottom;
4072
4073            mStatusBarLayer = mStatusBar.getSurfaceLayer();
4074
4075            // Let the status bar determine its size.
4076            mStatusBar.computeFrameLw(pf /* parentFrame */, df /* displayFrame */,
4077                    vf /* overlayFrame */, vf /* contentFrame */, vf /* visibleFrame */,
4078                    dcf /* decorFrame */, vf /* stableFrame */, vf /* outsetFrame */);
4079
4080            // For layout, the status bar is always at the top with our fixed height.
4081            mStableTop = mUnrestrictedScreenTop + mStatusBarHeight;
4082
4083            boolean statusBarTransient = (sysui & View.STATUS_BAR_TRANSIENT) != 0;
4084            boolean statusBarTranslucent = (sysui
4085                    & (View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT)) != 0;
4086            if (!isKeyguardShowing) {
4087                statusBarTranslucent &= areTranslucentBarsAllowed();
4088            }
4089
4090            // If the status bar is hidden, we don't want to cause
4091            // windows behind it to scroll.
4092            if (mStatusBar.isVisibleLw() && !statusBarTransient) {
4093                // Status bar may go away, so the screen area it occupies
4094                // is available to apps but just covering them when the
4095                // status bar is visible.
4096                mDockTop = mUnrestrictedScreenTop + mStatusBarHeight;
4097
4098                mContentTop = mVoiceContentTop = mCurTop = mDockTop;
4099                mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
4100                mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
4101                mContentRight = mVoiceContentRight = mCurRight = mDockRight;
4102
4103                if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar: " +
4104                        String.format(
4105                                "dock=[%d,%d][%d,%d] content=[%d,%d][%d,%d] cur=[%d,%d][%d,%d]",
4106                                mDockLeft, mDockTop, mDockRight, mDockBottom,
4107                                mContentLeft, mContentTop, mContentRight, mContentBottom,
4108                                mCurLeft, mCurTop, mCurRight, mCurBottom));
4109            }
4110            if (mStatusBar.isVisibleLw() && !mStatusBar.isAnimatingLw()
4111                    && !statusBarTransient && !statusBarTranslucent
4112                    && !mStatusBarController.wasRecentlyTranslucent()) {
4113                // If the opaque status bar is currently requested to be visible,
4114                // and not in the process of animating on or off, then
4115                // we can tell the app that it is covered by it.
4116                mSystemTop = mUnrestrictedScreenTop + mStatusBarHeight;
4117            }
4118            if (mStatusBarController.checkHiddenLw()) {
4119                return true;
4120            }
4121        }
4122        return false;
4123    }
4124
4125    private boolean layoutNavigationBar(int displayWidth, int displayHeight, int displayRotation,
4126            int uiMode, int overscanLeft, int overscanRight, int overscanBottom, Rect dcf,
4127            boolean navVisible, boolean navTranslucent, boolean navAllowedHidden,
4128            boolean statusBarExpandedNotKeyguard) {
4129        if (mNavigationBar != null) {
4130            boolean transientNavBarShowing = mNavigationBarController.isTransientShowing();
4131            // Force the navigation bar to its appropriate place and
4132            // size.  We need to do this directly, instead of relying on
4133            // it to bubble up from the nav bar, because this needs to
4134            // change atomically with screen rotations.
4135            mNavigationBarPosition = navigationBarPosition(displayWidth, displayHeight,
4136                    displayRotation);
4137            if (mNavigationBarPosition == NAV_BAR_BOTTOM) {
4138                // It's a system nav bar or a portrait screen; nav bar goes on bottom.
4139                int top = displayHeight - overscanBottom
4140                        - getNavigationBarHeight(displayRotation, uiMode);
4141                mTmpNavigationFrame.set(0, top, displayWidth, displayHeight - overscanBottom);
4142                mStableBottom = mStableFullscreenBottom = mTmpNavigationFrame.top;
4143                if (transientNavBarShowing) {
4144                    mNavigationBarController.setBarShowingLw(true);
4145                } else if (navVisible) {
4146                    mNavigationBarController.setBarShowingLw(true);
4147                    mDockBottom = mTmpNavigationFrame.top;
4148                    mRestrictedScreenHeight = mDockBottom - mRestrictedScreenTop;
4149                    mRestrictedOverscanScreenHeight = mDockBottom - mRestrictedOverscanScreenTop;
4150                } else {
4151                    // We currently want to hide the navigation UI - unless we expanded the status
4152                    // bar.
4153                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4154                }
4155                if (navVisible && !navTranslucent && !navAllowedHidden
4156                        && !mNavigationBar.isAnimatingLw()
4157                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4158                    // If the opaque nav bar is currently requested to be visible,
4159                    // and not in the process of animating on or off, then
4160                    // we can tell the app that it is covered by it.
4161                    mSystemBottom = mTmpNavigationFrame.top;
4162                }
4163            } else if (mNavigationBarPosition == NAV_BAR_RIGHT) {
4164                // Landscape screen; nav bar goes to the right.
4165                int left = displayWidth - overscanRight
4166                        - getNavigationBarWidth(displayRotation, uiMode);
4167                mTmpNavigationFrame.set(left, 0, displayWidth - overscanRight, displayHeight);
4168                mStableRight = mStableFullscreenRight = mTmpNavigationFrame.left;
4169                if (transientNavBarShowing) {
4170                    mNavigationBarController.setBarShowingLw(true);
4171                } else if (navVisible) {
4172                    mNavigationBarController.setBarShowingLw(true);
4173                    mDockRight = mTmpNavigationFrame.left;
4174                    mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
4175                    mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
4176                } else {
4177                    // We currently want to hide the navigation UI - unless we expanded the status
4178                    // bar.
4179                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4180                }
4181                if (navVisible && !navTranslucent && !navAllowedHidden
4182                        && !mNavigationBar.isAnimatingLw()
4183                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4184                    // If the nav bar is currently requested to be visible,
4185                    // and not in the process of animating on or off, then
4186                    // we can tell the app that it is covered by it.
4187                    mSystemRight = mTmpNavigationFrame.left;
4188                }
4189            } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
4190                // Seascape screen; nav bar goes to the left.
4191                int right = overscanLeft + getNavigationBarWidth(displayRotation, uiMode);
4192                mTmpNavigationFrame.set(overscanLeft, 0, right, displayHeight);
4193                mStableLeft = mStableFullscreenLeft = mTmpNavigationFrame.right;
4194                if (transientNavBarShowing) {
4195                    mNavigationBarController.setBarShowingLw(true);
4196                } else if (navVisible) {
4197                    mNavigationBarController.setBarShowingLw(true);
4198                    mDockLeft = mTmpNavigationFrame.right;
4199                    // TODO: not so sure about those:
4200                    mRestrictedScreenLeft = mRestrictedOverscanScreenLeft = mDockLeft;
4201                    mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
4202                    mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
4203                } else {
4204                    // We currently want to hide the navigation UI - unless we expanded the status
4205                    // bar.
4206                    mNavigationBarController.setBarShowingLw(statusBarExpandedNotKeyguard);
4207                }
4208                if (navVisible && !navTranslucent && !navAllowedHidden
4209                        && !mNavigationBar.isAnimatingLw()
4210                        && !mNavigationBarController.wasRecentlyTranslucent()) {
4211                    // If the nav bar is currently requested to be visible,
4212                    // and not in the process of animating on or off, then
4213                    // we can tell the app that it is covered by it.
4214                    mSystemLeft = mTmpNavigationFrame.right;
4215                }
4216            }
4217            // Make sure the content and current rectangles are updated to
4218            // account for the restrictions from the navigation bar.
4219            mContentTop = mVoiceContentTop = mCurTop = mDockTop;
4220            mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
4221            mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
4222            mContentRight = mVoiceContentRight = mCurRight = mDockRight;
4223            mStatusBarLayer = mNavigationBar.getSurfaceLayer();
4224            // And compute the final frame.
4225            mNavigationBar.computeFrameLw(mTmpNavigationFrame, mTmpNavigationFrame,
4226                    mTmpNavigationFrame, mTmpNavigationFrame, mTmpNavigationFrame, dcf,
4227                    mTmpNavigationFrame, mTmpNavigationFrame);
4228            if (DEBUG_LAYOUT) Slog.i(TAG, "mNavigationBar frame: " + mTmpNavigationFrame);
4229            if (mNavigationBarController.checkHiddenLw()) {
4230                return true;
4231            }
4232        }
4233        return false;
4234    }
4235
4236    private int navigationBarPosition(int displayWidth, int displayHeight, int displayRotation) {
4237        if (mNavigationBarCanMove && displayWidth > displayHeight) {
4238            if (displayRotation == Surface.ROTATION_270) {
4239                return NAV_BAR_LEFT;
4240            } else {
4241                return NAV_BAR_RIGHT;
4242            }
4243        }
4244        return NAV_BAR_BOTTOM;
4245    }
4246
4247    /** {@inheritDoc} */
4248    @Override
4249    public int getSystemDecorLayerLw() {
4250        if (mStatusBar != null && mStatusBar.isVisibleLw()) {
4251            return mStatusBar.getSurfaceLayer();
4252        }
4253
4254        if (mNavigationBar != null && mNavigationBar.isVisibleLw()) {
4255            return mNavigationBar.getSurfaceLayer();
4256        }
4257
4258        return 0;
4259    }
4260
4261    @Override
4262    public void getContentRectLw(Rect r) {
4263        r.set(mContentLeft, mContentTop, mContentRight, mContentBottom);
4264    }
4265
4266    void setAttachedWindowFrames(WindowState win, int fl, int adjust, WindowState attached,
4267            boolean insetDecors, Rect pf, Rect df, Rect of, Rect cf, Rect vf) {
4268        if (win.getSurfaceLayer() > mDockLayer && attached.getSurfaceLayer() < mDockLayer) {
4269            // Here's a special case: if this attached window is a panel that is
4270            // above the dock window, and the window it is attached to is below
4271            // the dock window, then the frames we computed for the window it is
4272            // attached to can not be used because the dock is effectively part
4273            // of the underlying window and the attached window is floating on top
4274            // of the whole thing.  So, we ignore the attached window and explicitly
4275            // compute the frames that would be appropriate without the dock.
4276            df.left = of.left = cf.left = vf.left = mDockLeft;
4277            df.top = of.top = cf.top = vf.top = mDockTop;
4278            df.right = of.right = cf.right = vf.right = mDockRight;
4279            df.bottom = of.bottom = cf.bottom = vf.bottom = mDockBottom;
4280        } else {
4281            // The effective display frame of the attached window depends on
4282            // whether it is taking care of insetting its content.  If not,
4283            // we need to use the parent's content frame so that the entire
4284            // window is positioned within that content.  Otherwise we can use
4285            // the overscan frame and let the attached window take care of
4286            // positioning its content appropriately.
4287            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4288                // Set the content frame of the attached window to the parent's decor frame
4289                // (same as content frame when IME isn't present) if specifically requested by
4290                // setting {@link WindowManager.LayoutParams#FLAG_LAYOUT_ATTACHED_IN_DECOR} flag.
4291                // Otherwise, use the overscan frame.
4292                cf.set((fl & FLAG_LAYOUT_ATTACHED_IN_DECOR) != 0
4293                        ? attached.getContentFrameLw() : attached.getOverscanFrameLw());
4294            } else {
4295                // If the window is resizing, then we want to base the content
4296                // frame on our attached content frame to resize...  however,
4297                // things can be tricky if the attached window is NOT in resize
4298                // mode, in which case its content frame will be larger.
4299                // Ungh.  So to deal with that, make sure the content frame
4300                // we end up using is not covering the IM dock.
4301                cf.set(attached.getContentFrameLw());
4302                if (attached.isVoiceInteraction()) {
4303                    if (cf.left < mVoiceContentLeft) cf.left = mVoiceContentLeft;
4304                    if (cf.top < mVoiceContentTop) cf.top = mVoiceContentTop;
4305                    if (cf.right > mVoiceContentRight) cf.right = mVoiceContentRight;
4306                    if (cf.bottom > mVoiceContentBottom) cf.bottom = mVoiceContentBottom;
4307                } else if (attached.getSurfaceLayer() < mDockLayer) {
4308                    if (cf.left < mContentLeft) cf.left = mContentLeft;
4309                    if (cf.top < mContentTop) cf.top = mContentTop;
4310                    if (cf.right > mContentRight) cf.right = mContentRight;
4311                    if (cf.bottom > mContentBottom) cf.bottom = mContentBottom;
4312                }
4313            }
4314            df.set(insetDecors ? attached.getDisplayFrameLw() : cf);
4315            of.set(insetDecors ? attached.getOverscanFrameLw() : cf);
4316            vf.set(attached.getVisibleFrameLw());
4317        }
4318        // The LAYOUT_IN_SCREEN flag is used to determine whether the attached
4319        // window should be positioned relative to its parent or the entire
4320        // screen.
4321        pf.set((fl & FLAG_LAYOUT_IN_SCREEN) == 0
4322                ? attached.getFrameLw() : df);
4323    }
4324
4325    private void applyStableConstraints(int sysui, int fl, Rect r) {
4326        if ((sysui & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
4327            // If app is requesting a stable layout, don't let the
4328            // content insets go below the stable values.
4329            if ((fl & FLAG_FULLSCREEN) != 0) {
4330                if (r.left < mStableFullscreenLeft) r.left = mStableFullscreenLeft;
4331                if (r.top < mStableFullscreenTop) r.top = mStableFullscreenTop;
4332                if (r.right > mStableFullscreenRight) r.right = mStableFullscreenRight;
4333                if (r.bottom > mStableFullscreenBottom) r.bottom = mStableFullscreenBottom;
4334            } else {
4335                if (r.left < mStableLeft) r.left = mStableLeft;
4336                if (r.top < mStableTop) r.top = mStableTop;
4337                if (r.right > mStableRight) r.right = mStableRight;
4338                if (r.bottom > mStableBottom) r.bottom = mStableBottom;
4339            }
4340        }
4341    }
4342
4343    private boolean canReceiveInput(WindowState win) {
4344        boolean notFocusable =
4345                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) != 0;
4346        boolean altFocusableIm =
4347                (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM) != 0;
4348        boolean notFocusableForIm = notFocusable ^ altFocusableIm;
4349        return !notFocusableForIm;
4350    }
4351
4352    /** {@inheritDoc} */
4353    @Override
4354    public void layoutWindowLw(WindowState win, WindowState attached) {
4355        // We've already done the navigation bar and status bar. If the status bar can receive
4356        // input, we need to layout it again to accomodate for the IME window.
4357        if ((win == mStatusBar && !canReceiveInput(win)) || win == mNavigationBar) {
4358            return;
4359        }
4360        final WindowManager.LayoutParams attrs = win.getAttrs();
4361        final boolean isDefaultDisplay = win.isDefaultDisplay();
4362        final boolean needsToOffsetInputMethodTarget = isDefaultDisplay &&
4363                (win == mLastInputMethodTargetWindow && mLastInputMethodWindow != null);
4364        if (needsToOffsetInputMethodTarget) {
4365            if (DEBUG_LAYOUT) Slog.i(TAG, "Offset ime target window by the last ime window state");
4366            offsetInputMethodWindowLw(mLastInputMethodWindow);
4367        }
4368
4369        final int fl = PolicyControl.getWindowFlags(win, attrs);
4370        final int pfl = attrs.privateFlags;
4371        final int sim = attrs.softInputMode;
4372        final int sysUiFl = PolicyControl.getSystemUiVisibility(win, null);
4373
4374        final Rect pf = mTmpParentFrame;
4375        final Rect df = mTmpDisplayFrame;
4376        final Rect of = mTmpOverscanFrame;
4377        final Rect cf = mTmpContentFrame;
4378        final Rect vf = mTmpVisibleFrame;
4379        final Rect dcf = mTmpDecorFrame;
4380        final Rect sf = mTmpStableFrame;
4381        Rect osf = null;
4382        dcf.setEmpty();
4383
4384        final boolean hasNavBar = (isDefaultDisplay && mHasNavigationBar
4385                && mNavigationBar != null && mNavigationBar.isVisibleLw());
4386
4387        final int adjust = sim & SOFT_INPUT_MASK_ADJUST;
4388
4389        if (isDefaultDisplay) {
4390            sf.set(mStableLeft, mStableTop, mStableRight, mStableBottom);
4391        } else {
4392            sf.set(mOverscanLeft, mOverscanTop, mOverscanRight, mOverscanBottom);
4393        }
4394
4395        if (!isDefaultDisplay) {
4396            if (attached != null) {
4397                // If this window is attached to another, our display
4398                // frame is the same as the one we are attached to.
4399                setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4400            } else {
4401                // Give the window full screen.
4402                pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4403                pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4404                pf.right = df.right = of.right = cf.right
4405                        = mOverscanScreenLeft + mOverscanScreenWidth;
4406                pf.bottom = df.bottom = of.bottom = cf.bottom
4407                        = mOverscanScreenTop + mOverscanScreenHeight;
4408            }
4409        } else if (attrs.type == TYPE_INPUT_METHOD) {
4410            pf.left = df.left = of.left = cf.left = vf.left = mDockLeft;
4411            pf.top = df.top = of.top = cf.top = vf.top = mDockTop;
4412            pf.right = df.right = of.right = cf.right = vf.right = mDockRight;
4413            // IM dock windows layout below the nav bar...
4414            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4415            // ...with content insets above the nav bar
4416            cf.bottom = vf.bottom = mStableBottom;
4417            if (mStatusBar != null && mFocusedWindow == mStatusBar && canReceiveInput(mStatusBar)) {
4418                // The status bar forces the navigation bar while it's visible. Make sure the IME
4419                // avoids the navigation bar in that case.
4420                if (mNavigationBarPosition == NAV_BAR_RIGHT) {
4421                    pf.right = df.right = of.right = cf.right = vf.right = mStableRight;
4422                } else if (mNavigationBarPosition == NAV_BAR_LEFT) {
4423                    pf.left = df.left = of.left = cf.left = vf.left = mStableLeft;
4424                }
4425            }
4426            // IM dock windows always go to the bottom of the screen.
4427            attrs.gravity = Gravity.BOTTOM;
4428            mDockLayer = win.getSurfaceLayer();
4429        } else if (attrs.type == TYPE_VOICE_INTERACTION) {
4430            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4431            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4432            pf.right = df.right = of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4433            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4434            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4435                cf.left = mDockLeft;
4436                cf.top = mDockTop;
4437                cf.right = mDockRight;
4438                cf.bottom = mDockBottom;
4439            } else {
4440                cf.left = mContentLeft;
4441                cf.top = mContentTop;
4442                cf.right = mContentRight;
4443                cf.bottom = mContentBottom;
4444            }
4445            if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4446                vf.left = mCurLeft;
4447                vf.top = mCurTop;
4448                vf.right = mCurRight;
4449                vf.bottom = mCurBottom;
4450            } else {
4451                vf.set(cf);
4452            }
4453        } else if (attrs.type == TYPE_WALLPAPER) {
4454           layoutWallpaper(win, pf, df, of, cf);
4455        } else if (win == mStatusBar) {
4456            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4457            pf.top = df.top = of.top = mUnrestrictedScreenTop;
4458            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
4459            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight + mUnrestrictedScreenTop;
4460            cf.left = vf.left = mStableLeft;
4461            cf.top = vf.top = mStableTop;
4462            cf.right = vf.right = mStableRight;
4463            vf.bottom = mStableBottom;
4464
4465            if (adjust == SOFT_INPUT_ADJUST_RESIZE) {
4466                cf.bottom = mContentBottom;
4467            } else {
4468                cf.bottom = mDockBottom;
4469                vf.bottom = mContentBottom;
4470            }
4471        } else {
4472
4473            // Default policy decor for the default display
4474            dcf.left = mSystemLeft;
4475            dcf.top = mSystemTop;
4476            dcf.right = mSystemRight;
4477            dcf.bottom = mSystemBottom;
4478            final boolean inheritTranslucentDecor = (attrs.privateFlags
4479                    & WindowManager.LayoutParams.PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR) != 0;
4480            final boolean isAppWindow =
4481                    attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW &&
4482                    attrs.type <= WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
4483            final boolean topAtRest =
4484                    win == mTopFullscreenOpaqueWindowState && !win.isAnimatingLw();
4485            if (isAppWindow && !inheritTranslucentDecor && !topAtRest) {
4486                if ((sysUiFl & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0
4487                        && (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) == 0
4488                        && (fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) == 0
4489                        && (fl & WindowManager.LayoutParams.
4490                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0
4491                        && (pfl & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND) == 0) {
4492                    // Ensure policy decor includes status bar
4493                    dcf.top = mStableTop;
4494                }
4495                if ((fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) == 0
4496                        && (sysUiFl & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0
4497                        && (fl & WindowManager.LayoutParams.
4498                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
4499                    // Ensure policy decor includes navigation bar
4500                    dcf.bottom = mStableBottom;
4501                    dcf.right = mStableRight;
4502                }
4503            }
4504
4505            if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
4506                    == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
4507                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle()
4508                            + "): IN_SCREEN, INSET_DECOR");
4509                // This is the case for a normal activity window: we want it
4510                // to cover all of the screen space, and it can take care of
4511                // moving its contents to account for screen decorations that
4512                // intrude into that space.
4513                if (attached != null) {
4514                    // If this window is attached to another, our display
4515                    // frame is the same as the one we are attached to.
4516                    setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
4517                } else {
4518                    if (attrs.type == TYPE_STATUS_BAR_PANEL
4519                            || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
4520                        // Status bar panels are the only windows who can go on top of
4521                        // the status bar.  They are protected by the STATUS_BAR_SERVICE
4522                        // permission, so they have the same privileges as the status
4523                        // bar itself.
4524                        //
4525                        // However, they should still dodge the navigation bar if it exists.
4526
4527                        pf.left = df.left = of.left = hasNavBar
4528                                ? mDockLeft : mUnrestrictedScreenLeft;
4529                        pf.top = df.top = of.top = mUnrestrictedScreenTop;
4530                        pf.right = df.right = of.right = hasNavBar
4531                                ? mRestrictedScreenLeft+mRestrictedScreenWidth
4532                                : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4533                        pf.bottom = df.bottom = of.bottom = hasNavBar
4534                                ? mRestrictedScreenTop+mRestrictedScreenHeight
4535                                : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4536
4537                        if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4538                                        "Laying out status bar window: (%d,%d - %d,%d)",
4539                                        pf.left, pf.top, pf.right, pf.bottom));
4540                    } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4541                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4542                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4543                        // Asking to layout into the overscan region, so give it that pure
4544                        // unrestricted area.
4545                        pf.left = df.left = of.left = mOverscanScreenLeft;
4546                        pf.top = df.top = of.top = mOverscanScreenTop;
4547                        pf.right = df.right = of.right = mOverscanScreenLeft + mOverscanScreenWidth;
4548                        pf.bottom = df.bottom = of.bottom = mOverscanScreenTop
4549                                + mOverscanScreenHeight;
4550                    } else if (canHideNavigationBar()
4551                            && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4552                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4553                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4554                        // Asking for layout as if the nav bar is hidden, lets the
4555                        // application extend into the unrestricted overscan screen area.  We
4556                        // only do this for application windows to ensure no window that
4557                        // can be above the nav bar can do this.
4558                        pf.left = df.left = mOverscanScreenLeft;
4559                        pf.top = df.top = mOverscanScreenTop;
4560                        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4561                        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4562                        // We need to tell the app about where the frame inside the overscan
4563                        // is, so it can inset its content by that amount -- it didn't ask
4564                        // to actually extend itself into the overscan region.
4565                        of.left = mUnrestrictedScreenLeft;
4566                        of.top = mUnrestrictedScreenTop;
4567                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4568                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4569                    } else {
4570                        pf.left = df.left = mRestrictedOverscanScreenLeft;
4571                        pf.top = df.top = mRestrictedOverscanScreenTop;
4572                        pf.right = df.right = mRestrictedOverscanScreenLeft
4573                                + mRestrictedOverscanScreenWidth;
4574                        pf.bottom = df.bottom = mRestrictedOverscanScreenTop
4575                                + mRestrictedOverscanScreenHeight;
4576                        // We need to tell the app about where the frame inside the overscan
4577                        // is, so it can inset its content by that amount -- it didn't ask
4578                        // to actually extend itself into the overscan region.
4579                        of.left = mUnrestrictedScreenLeft;
4580                        of.top = mUnrestrictedScreenTop;
4581                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4582                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4583                    }
4584
4585                    if ((fl & FLAG_FULLSCREEN) == 0) {
4586                        if (win.isVoiceInteraction()) {
4587                            cf.left = mVoiceContentLeft;
4588                            cf.top = mVoiceContentTop;
4589                            cf.right = mVoiceContentRight;
4590                            cf.bottom = mVoiceContentBottom;
4591                        } else {
4592                            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4593                                cf.left = mDockLeft;
4594                                cf.top = mDockTop;
4595                                cf.right = mDockRight;
4596                                cf.bottom = mDockBottom;
4597                            } else {
4598                                cf.left = mContentLeft;
4599                                cf.top = mContentTop;
4600                                cf.right = mContentRight;
4601                                cf.bottom = mContentBottom;
4602                            }
4603                        }
4604                    } else {
4605                        // Full screen windows are always given a layout that is as if the
4606                        // status bar and other transient decors are gone.  This is to avoid
4607                        // bad states when moving from a window that is not hding the
4608                        // status bar to one that is.
4609                        cf.left = mRestrictedScreenLeft;
4610                        cf.top = mRestrictedScreenTop;
4611                        cf.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
4612                        cf.bottom = mRestrictedScreenTop + mRestrictedScreenHeight;
4613                    }
4614                    applyStableConstraints(sysUiFl, fl, cf);
4615                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4616                        vf.left = mCurLeft;
4617                        vf.top = mCurTop;
4618                        vf.right = mCurRight;
4619                        vf.bottom = mCurBottom;
4620                    } else {
4621                        vf.set(cf);
4622                    }
4623                }
4624            } else if ((fl & FLAG_LAYOUT_IN_SCREEN) != 0 || (sysUiFl
4625                    & (View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
4626                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION)) != 0) {
4627                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4628                        "): IN_SCREEN");
4629                // A window that has requested to fill the entire screen just
4630                // gets everything, period.
4631                if (attrs.type == TYPE_STATUS_BAR_PANEL
4632                        || attrs.type == TYPE_STATUS_BAR_SUB_PANEL
4633                        || attrs.type == TYPE_VOLUME_OVERLAY) {
4634                    pf.left = df.left = of.left = cf.left = hasNavBar
4635                            ? mDockLeft : mUnrestrictedScreenLeft;
4636                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4637                    pf.right = df.right = of.right = cf.right = hasNavBar
4638                                        ? mRestrictedScreenLeft+mRestrictedScreenWidth
4639                                        : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4640                    pf.bottom = df.bottom = of.bottom = cf.bottom = hasNavBar
4641                                          ? mRestrictedScreenTop+mRestrictedScreenHeight
4642                                          : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4643                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4644                                    "Laying out IN_SCREEN status bar window: (%d,%d - %d,%d)",
4645                                    pf.left, pf.top, pf.right, pf.bottom));
4646                } else if (attrs.type == TYPE_NAVIGATION_BAR
4647                        || attrs.type == TYPE_NAVIGATION_BAR_PANEL) {
4648                    // The navigation bar has Real Ultimate Power.
4649                    pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4650                    pf.top = df.top = of.top = mUnrestrictedScreenTop;
4651                    pf.right = df.right = of.right = mUnrestrictedScreenLeft
4652                            + mUnrestrictedScreenWidth;
4653                    pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop
4654                            + mUnrestrictedScreenHeight;
4655                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4656                                    "Laying out navigation bar window: (%d,%d - %d,%d)",
4657                                    pf.left, pf.top, pf.right, pf.bottom));
4658                } else if ((attrs.type == TYPE_SECURE_SYSTEM_OVERLAY
4659                                || attrs.type == TYPE_BOOT_PROGRESS
4660                                || attrs.type == TYPE_SCREENSHOT)
4661                        && ((fl & FLAG_FULLSCREEN) != 0)) {
4662                    // Fullscreen secure system overlays get what they ask for. Screenshot region
4663                    // selection overlay should also expand to full screen.
4664                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4665                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4666                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4667                            + mOverscanScreenWidth;
4668                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4669                            + mOverscanScreenHeight;
4670                } else if (attrs.type == TYPE_BOOT_PROGRESS) {
4671                    // Boot progress screen always covers entire display.
4672                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4673                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4674                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4675                            + mOverscanScreenWidth;
4676                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4677                            + mOverscanScreenHeight;
4678                } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4679                        && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4680                        && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4681                    // Asking to layout into the overscan region, so give it that pure
4682                    // unrestricted area.
4683                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4684                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4685                    pf.right = df.right = of.right = cf.right
4686                            = mOverscanScreenLeft + mOverscanScreenWidth;
4687                    pf.bottom = df.bottom = of.bottom = cf.bottom
4688                            = mOverscanScreenTop + mOverscanScreenHeight;
4689                } else if (canHideNavigationBar()
4690                        && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4691                        && (attrs.type == TYPE_STATUS_BAR
4692                            || attrs.type == TYPE_TOAST
4693                            || attrs.type == TYPE_DOCK_DIVIDER
4694                            || attrs.type == TYPE_VOICE_INTERACTION_STARTING
4695                            || (attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4696                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW))) {
4697                    // Asking for layout as if the nav bar is hidden, lets the
4698                    // application extend into the unrestricted screen area.  We
4699                    // only do this for application windows (or toasts) to ensure no window that
4700                    // can be above the nav bar can do this.
4701                    // XXX This assumes that an app asking for this will also
4702                    // ask for layout in only content.  We can't currently figure out
4703                    // what the screen would be if only laying out to hide the nav bar.
4704                    pf.left = df.left = of.left = cf.left = mUnrestrictedScreenLeft;
4705                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4706                    pf.right = df.right = of.right = cf.right = mUnrestrictedScreenLeft
4707                            + mUnrestrictedScreenWidth;
4708                    pf.bottom = df.bottom = of.bottom = cf.bottom = mUnrestrictedScreenTop
4709                            + mUnrestrictedScreenHeight;
4710                } else if ((sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN) != 0) {
4711                    pf.left = df.left = of.left = mRestrictedScreenLeft;
4712                    pf.top = df.top = of.top  = mRestrictedScreenTop;
4713                    pf.right = df.right = of.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
4714                    pf.bottom = df.bottom = of.bottom = mRestrictedScreenTop
4715                            + mRestrictedScreenHeight;
4716                    if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4717                        cf.left = mDockLeft;
4718                        cf.top = mDockTop;
4719                        cf.right = mDockRight;
4720                        cf.bottom = mDockBottom;
4721                    } else {
4722                        cf.left = mContentLeft;
4723                        cf.top = mContentTop;
4724                        cf.right = mContentRight;
4725                        cf.bottom = mContentBottom;
4726                    }
4727                } else {
4728                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4729                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4730                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4731                            + mRestrictedScreenWidth;
4732                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4733                            + mRestrictedScreenHeight;
4734                }
4735
4736                applyStableConstraints(sysUiFl, fl, cf);
4737
4738                if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4739                    vf.left = mCurLeft;
4740                    vf.top = mCurTop;
4741                    vf.right = mCurRight;
4742                    vf.bottom = mCurBottom;
4743                } else {
4744                    vf.set(cf);
4745                }
4746            } else if (attached != null) {
4747                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4748                        "): attached to " + attached);
4749                // A child window should be placed inside of the same visible
4750                // frame that its parent had.
4751                setAttachedWindowFrames(win, fl, adjust, attached, false, pf, df, of, cf, vf);
4752            } else {
4753                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4754                        "): normal window");
4755                // Otherwise, a normal window must be placed inside the content
4756                // of all screen decorations.
4757                if (attrs.type == TYPE_STATUS_BAR_PANEL || attrs.type == TYPE_VOLUME_OVERLAY) {
4758                    // Status bar panels and the volume dialog are the only windows who can go on
4759                    // top of the status bar.  They are protected by the STATUS_BAR_SERVICE
4760                    // permission, so they have the same privileges as the status
4761                    // bar itself.
4762                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4763                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4764                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4765                            + mRestrictedScreenWidth;
4766                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4767                            + mRestrictedScreenHeight;
4768                } else if (attrs.type == TYPE_TOAST || attrs.type == TYPE_SYSTEM_ALERT) {
4769                    // These dialogs are stable to interim decor changes.
4770                    pf.left = df.left = of.left = cf.left = mStableLeft;
4771                    pf.top = df.top = of.top = cf.top = mStableTop;
4772                    pf.right = df.right = of.right = cf.right = mStableRight;
4773                    pf.bottom = df.bottom = of.bottom = cf.bottom = mStableBottom;
4774                } else {
4775                    pf.left = mContentLeft;
4776                    pf.top = mContentTop;
4777                    pf.right = mContentRight;
4778                    pf.bottom = mContentBottom;
4779                    if (win.isVoiceInteraction()) {
4780                        df.left = of.left = cf.left = mVoiceContentLeft;
4781                        df.top = of.top = cf.top = mVoiceContentTop;
4782                        df.right = of.right = cf.right = mVoiceContentRight;
4783                        df.bottom = of.bottom = cf.bottom = mVoiceContentBottom;
4784                    } else if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4785                        df.left = of.left = cf.left = mDockLeft;
4786                        df.top = of.top = cf.top = mDockTop;
4787                        df.right = of.right = cf.right = mDockRight;
4788                        df.bottom = of.bottom = cf.bottom = mDockBottom;
4789                    } else {
4790                        df.left = of.left = cf.left = mContentLeft;
4791                        df.top = of.top = cf.top = mContentTop;
4792                        df.right = of.right = cf.right = mContentRight;
4793                        df.bottom = of.bottom = cf.bottom = mContentBottom;
4794                    }
4795                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4796                        vf.left = mCurLeft;
4797                        vf.top = mCurTop;
4798                        vf.right = mCurRight;
4799                        vf.bottom = mCurBottom;
4800                    } else {
4801                        vf.set(cf);
4802                    }
4803                }
4804            }
4805        }
4806
4807        // TYPE_SYSTEM_ERROR is above the NavigationBar so it can't be allowed to extend over it.
4808        // Also, we don't allow windows in multi-window mode to extend out of the screen.
4809        if ((fl & FLAG_LAYOUT_NO_LIMITS) != 0 && attrs.type != TYPE_SYSTEM_ERROR
4810                && !win.isInMultiWindowMode()) {
4811            df.left = df.top = -10000;
4812            df.right = df.bottom = 10000;
4813            if (attrs.type != TYPE_WALLPAPER) {
4814                of.left = of.top = cf.left = cf.top = vf.left = vf.top = -10000;
4815                of.right = of.bottom = cf.right = cf.bottom = vf.right = vf.bottom = 10000;
4816            }
4817        }
4818
4819        // If the device has a chin (e.g. some watches), a dead area at the bottom of the screen we
4820        // need to provide information to the clients that want to pretend that you can draw there.
4821        // We only want to apply outsets to certain types of windows. For example, we never want to
4822        // apply the outsets to floating dialogs, because they wouldn't make sense there.
4823        final boolean useOutsets = shouldUseOutsets(attrs, fl);
4824        if (isDefaultDisplay && useOutsets) {
4825            osf = mTmpOutsetFrame;
4826            osf.set(cf.left, cf.top, cf.right, cf.bottom);
4827            int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
4828            if (outset > 0) {
4829                int rotation = mDisplayRotation;
4830                if (rotation == Surface.ROTATION_0) {
4831                    osf.bottom += outset;
4832                } else if (rotation == Surface.ROTATION_90) {
4833                    osf.right += outset;
4834                } else if (rotation == Surface.ROTATION_180) {
4835                    osf.top -= outset;
4836                } else if (rotation == Surface.ROTATION_270) {
4837                    osf.left -= outset;
4838                }
4839                if (DEBUG_LAYOUT) Slog.v(TAG, "applying bottom outset of " + outset
4840                        + " with rotation " + rotation + ", result: " + osf);
4841            }
4842        }
4843
4844        if (DEBUG_LAYOUT) Slog.v(TAG, "Compute frame " + attrs.getTitle()
4845                + ": sim=#" + Integer.toHexString(sim)
4846                + " attach=" + attached + " type=" + attrs.type
4847                + String.format(" flags=0x%08x", fl)
4848                + " pf=" + pf.toShortString() + " df=" + df.toShortString()
4849                + " of=" + of.toShortString()
4850                + " cf=" + cf.toShortString() + " vf=" + vf.toShortString()
4851                + " dcf=" + dcf.toShortString()
4852                + " sf=" + sf.toShortString()
4853                + " osf=" + (osf == null ? "null" : osf.toShortString()));
4854
4855        win.computeFrameLw(pf, df, of, cf, vf, dcf, sf, osf);
4856
4857        // Dock windows carve out the bottom of the screen, so normal windows
4858        // can't appear underneath them.
4859        if (attrs.type == TYPE_INPUT_METHOD && win.isVisibleOrBehindKeyguardLw()
4860                && win.isDisplayedLw() && !win.getGivenInsetsPendingLw()) {
4861            setLastInputMethodWindowLw(null, null);
4862            offsetInputMethodWindowLw(win);
4863        }
4864        if (attrs.type == TYPE_VOICE_INTERACTION && win.isVisibleOrBehindKeyguardLw()
4865                && !win.getGivenInsetsPendingLw()) {
4866            offsetVoiceInputWindowLw(win);
4867        }
4868    }
4869
4870    private void layoutWallpaper(WindowState win, Rect pf, Rect df, Rect of, Rect cf) {
4871
4872        // The wallpaper also has Real Ultimate Power, but we want to tell
4873        // it about the overscan area.
4874        pf.left = df.left = mOverscanScreenLeft;
4875        pf.top = df.top = mOverscanScreenTop;
4876        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4877        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4878        of.left = cf.left = mUnrestrictedScreenLeft;
4879        of.top = cf.top = mUnrestrictedScreenTop;
4880        of.right = cf.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4881        of.bottom = cf.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4882    }
4883
4884    private void offsetInputMethodWindowLw(WindowState win) {
4885        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4886        top += win.getGivenContentInsetsLw().top;
4887        if (mContentBottom > top) {
4888            mContentBottom = top;
4889        }
4890        if (mVoiceContentBottom > top) {
4891            mVoiceContentBottom = top;
4892        }
4893        top = win.getVisibleFrameLw().top;
4894        top += win.getGivenVisibleInsetsLw().top;
4895        if (mCurBottom > top) {
4896            mCurBottom = top;
4897        }
4898        if (DEBUG_LAYOUT) Slog.v(TAG, "Input method: mDockBottom="
4899                + mDockBottom + " mContentBottom="
4900                + mContentBottom + " mCurBottom=" + mCurBottom);
4901    }
4902
4903    private void offsetVoiceInputWindowLw(WindowState win) {
4904        int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4905        top += win.getGivenContentInsetsLw().top;
4906        if (mVoiceContentBottom > top) {
4907            mVoiceContentBottom = top;
4908        }
4909    }
4910
4911    /** {@inheritDoc} */
4912    @Override
4913    public void finishLayoutLw() {
4914        return;
4915    }
4916
4917    /** {@inheritDoc} */
4918    @Override
4919    public void beginPostLayoutPolicyLw(int displayWidth, int displayHeight) {
4920        mTopFullscreenOpaqueWindowState = null;
4921        mTopFullscreenOpaqueOrDimmingWindowState = null;
4922        mTopDockedOpaqueWindowState = null;
4923        mTopDockedOpaqueOrDimmingWindowState = null;
4924        mAppsToBeHidden.clear();
4925        mAppsThatDismissKeyguard.clear();
4926        mForceStatusBar = false;
4927        mForceStatusBarFromKeyguard = false;
4928        mForceStatusBarTransparent = false;
4929        mForcingShowNavBar = false;
4930        mForcingShowNavBarLayer = -1;
4931
4932        mHideLockScreen = false;
4933        mAllowLockscreenWhenOn = false;
4934        mDismissKeyguard = DISMISS_KEYGUARD_NONE;
4935        mShowingLockscreen = false;
4936        mShowingDream = false;
4937        mWinShowWhenLocked = null;
4938        mKeyguardSecure = isKeyguardSecure(mCurrentUserId);
4939        mKeyguardSecureIncludingHidden = mKeyguardSecure
4940                && (mKeyguardDelegate != null && mKeyguardDelegate.isShowing());
4941    }
4942
4943    /** {@inheritDoc} */
4944    @Override
4945    public void applyPostLayoutPolicyLw(WindowState win, WindowManager.LayoutParams attrs,
4946            WindowState attached) {
4947        if (DEBUG_LAYOUT) Slog.i(TAG, "Win " + win + ": isVisibleOrBehindKeyguardLw="
4948                + win.isVisibleOrBehindKeyguardLw());
4949        final int fl = PolicyControl.getWindowFlags(win, attrs);
4950        if (mTopFullscreenOpaqueWindowState == null
4951                && win.isVisibleLw() && attrs.type == TYPE_INPUT_METHOD) {
4952            mForcingShowNavBar = true;
4953            mForcingShowNavBarLayer = win.getSurfaceLayer();
4954        }
4955        if (attrs.type == TYPE_STATUS_BAR) {
4956            if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4957                mForceStatusBarFromKeyguard = true;
4958                mShowingLockscreen = true;
4959            }
4960            if ((attrs.privateFlags & PRIVATE_FLAG_FORCE_STATUS_BAR_VISIBLE_TRANSPARENT) != 0) {
4961                mForceStatusBarTransparent = true;
4962            }
4963        }
4964
4965        boolean appWindow = attrs.type >= FIRST_APPLICATION_WINDOW
4966                && attrs.type < FIRST_SYSTEM_WINDOW;
4967        final boolean showWhenLocked = (fl & FLAG_SHOW_WHEN_LOCKED) != 0;
4968        final boolean dismissKeyguard = (fl & FLAG_DISMISS_KEYGUARD) != 0;
4969        final int stackId = win.getStackId();
4970        if (mTopFullscreenOpaqueWindowState == null &&
4971                win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()) {
4972            if ((fl & FLAG_FORCE_NOT_FULLSCREEN) != 0) {
4973                if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4974                    mForceStatusBarFromKeyguard = true;
4975                } else {
4976                    mForceStatusBar = true;
4977                }
4978            }
4979            if (attrs.type == TYPE_DREAM) {
4980                // If the lockscreen was showing when the dream started then wait
4981                // for the dream to draw before hiding the lockscreen.
4982                if (!mDreamingLockscreen
4983                        || (win.isVisibleLw() && win.hasDrawnLw())) {
4984                    mShowingDream = true;
4985                    appWindow = true;
4986                }
4987            }
4988
4989            final IApplicationToken appToken = win.getAppToken();
4990
4991            // For app windows that are not attached, we decide if all windows in the app they
4992            // represent should be hidden or if we should hide the lockscreen. For attached app
4993            // windows we defer the decision to the window it is attached to.
4994            if (appWindow && attached == null) {
4995                if (showWhenLocked) {
4996                    // Remove any previous windows with the same appToken.
4997                    mAppsToBeHidden.remove(appToken);
4998                    mAppsThatDismissKeyguard.remove(appToken);
4999                    if (mAppsToBeHidden.isEmpty()) {
5000                        if (dismissKeyguard && !mKeyguardSecure) {
5001                            mAppsThatDismissKeyguard.add(appToken);
5002                        } else if (win.isDrawnLw() || win.hasAppShownWindows()) {
5003                            mWinShowWhenLocked = win;
5004                            mHideLockScreen = true;
5005                            mForceStatusBarFromKeyguard = false;
5006                        }
5007                    }
5008                } else if (dismissKeyguard) {
5009                    if (mKeyguardSecure) {
5010                        mAppsToBeHidden.add(appToken);
5011                    } else {
5012                        mAppsToBeHidden.remove(appToken);
5013                    }
5014                    mAppsThatDismissKeyguard.add(appToken);
5015                } else {
5016                    mAppsToBeHidden.add(appToken);
5017                }
5018                if (isFullscreen(attrs) && StackId.normallyFullscreenWindows(stackId)) {
5019                    if (DEBUG_LAYOUT) Slog.v(TAG, "Fullscreen window: " + win);
5020                    mTopFullscreenOpaqueWindowState = win;
5021                    if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
5022                        mTopFullscreenOpaqueOrDimmingWindowState = win;
5023                    }
5024                    if (!mAppsThatDismissKeyguard.isEmpty() &&
5025                            mDismissKeyguard == DISMISS_KEYGUARD_NONE) {
5026                        if (DEBUG_LAYOUT) Slog.v(TAG,
5027                                "Setting mDismissKeyguard true by win " + win);
5028                        mDismissKeyguard = (mWinDismissingKeyguard == win
5029                                && mSecureDismissingKeyguard == mKeyguardSecure)
5030                                ? DISMISS_KEYGUARD_CONTINUE : DISMISS_KEYGUARD_START;
5031                        mWinDismissingKeyguard = win;
5032                        mSecureDismissingKeyguard = mKeyguardSecure;
5033                        mForceStatusBarFromKeyguard = mShowingLockscreen && mKeyguardSecure;
5034                    } else if (mAppsToBeHidden.isEmpty() && showWhenLocked
5035                            && (win.isDrawnLw() || win.hasAppShownWindows())) {
5036                        if (DEBUG_LAYOUT) Slog.v(TAG,
5037                                "Setting mHideLockScreen to true by win " + win);
5038                        mHideLockScreen = true;
5039                        mForceStatusBarFromKeyguard = false;
5040                    }
5041                    if ((fl & FLAG_ALLOW_LOCK_WHILE_SCREEN_ON) != 0) {
5042                        mAllowLockscreenWhenOn = true;
5043                    }
5044                }
5045
5046                if (!mKeyguardHidden && mWinShowWhenLocked != null &&
5047                        mWinShowWhenLocked.getAppToken() != win.getAppToken() &&
5048                        (attrs.flags & FLAG_SHOW_WHEN_LOCKED) == 0) {
5049                    win.hideLw(false);
5050                }
5051            }
5052        } else if (mTopFullscreenOpaqueWindowState == null && mWinShowWhenLocked == null) {
5053            // No TopFullscreenOpaqueWindow is showing, but we found a SHOW_WHEN_LOCKED window
5054            // that is being hidden in an animation - keep the
5055            // keyguard hidden until the new window shows up and
5056            // we know whether to show the keyguard or not.
5057            if (win.isAnimatingLw() && appWindow && showWhenLocked && mKeyguardHidden) {
5058                mHideLockScreen = true;
5059                mWinShowWhenLocked = win;
5060            }
5061        }
5062
5063        final boolean reallyVisible = win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw();
5064
5065        // Voice interaction overrides both top fullscreen and top docked.
5066        if (reallyVisible && win.getAttrs().type == TYPE_VOICE_INTERACTION) {
5067            if (mTopFullscreenOpaqueWindowState == null) {
5068                mTopFullscreenOpaqueWindowState = win;
5069                if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
5070                    mTopFullscreenOpaqueOrDimmingWindowState = win;
5071                }
5072            }
5073            if (mTopDockedOpaqueWindowState == null) {
5074                mTopDockedOpaqueWindowState = win;
5075                if (mTopDockedOpaqueOrDimmingWindowState == null) {
5076                    mTopDockedOpaqueOrDimmingWindowState = win;
5077                }
5078            }
5079        }
5080
5081        // Keep track of the window if it's dimming but not necessarily fullscreen.
5082        if (mTopFullscreenOpaqueOrDimmingWindowState == null && reallyVisible
5083                && win.isDimming() && StackId.normallyFullscreenWindows(stackId)) {
5084            mTopFullscreenOpaqueOrDimmingWindowState = win;
5085        }
5086
5087        // We need to keep track of the top "fullscreen" opaque window for the docked stack
5088        // separately, because both the "real fullscreen" opaque window and the one for the docked
5089        // stack can control View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR.
5090        if (mTopDockedOpaqueWindowState == null && reallyVisible && appWindow && attached == null
5091                && isFullscreen(attrs) && stackId == DOCKED_STACK_ID) {
5092            mTopDockedOpaqueWindowState = win;
5093            if (mTopDockedOpaqueOrDimmingWindowState == null) {
5094                mTopDockedOpaqueOrDimmingWindowState = win;
5095            }
5096        }
5097
5098        // Also keep track of any windows that are dimming but not necessarily fullscreen in the
5099        // docked stack.
5100        if (mTopDockedOpaqueOrDimmingWindowState == null && reallyVisible && win.isDimming()
5101                && stackId == DOCKED_STACK_ID) {
5102            mTopDockedOpaqueOrDimmingWindowState = win;
5103        }
5104    }
5105
5106    private boolean isFullscreen(WindowManager.LayoutParams attrs) {
5107        return attrs.x == 0 && attrs.y == 0
5108                && attrs.width == WindowManager.LayoutParams.MATCH_PARENT
5109                && attrs.height == WindowManager.LayoutParams.MATCH_PARENT;
5110    }
5111
5112    /** {@inheritDoc} */
5113    @Override
5114    public int finishPostLayoutPolicyLw() {
5115        if (mWinShowWhenLocked != null && mTopFullscreenOpaqueWindowState != null &&
5116                mWinShowWhenLocked.getAppToken() != mTopFullscreenOpaqueWindowState.getAppToken()
5117                && isKeyguardLocked()) {
5118            // A dialog is dismissing the keyguard. Put the wallpaper behind it and hide the
5119            // fullscreen window.
5120            // TODO: Make sure FLAG_SHOW_WALLPAPER is restored when dialog is dismissed. Or not.
5121            mWinShowWhenLocked.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
5122            mTopFullscreenOpaqueWindowState.hideLw(false);
5123            mTopFullscreenOpaqueWindowState = mWinShowWhenLocked;
5124        }
5125
5126        int changes = 0;
5127        boolean topIsFullscreen = false;
5128
5129        final WindowManager.LayoutParams lp = (mTopFullscreenOpaqueWindowState != null)
5130                ? mTopFullscreenOpaqueWindowState.getAttrs()
5131                : null;
5132
5133        // If we are not currently showing a dream then remember the current
5134        // lockscreen state.  We will use this to determine whether the dream
5135        // started while the lockscreen was showing and remember this state
5136        // while the dream is showing.
5137        if (!mShowingDream) {
5138            mDreamingLockscreen = mShowingLockscreen;
5139            if (mDreamingSleepTokenNeeded) {
5140                mDreamingSleepTokenNeeded = false;
5141                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 0, 1).sendToTarget();
5142            }
5143        } else {
5144            if (!mDreamingSleepTokenNeeded) {
5145                mDreamingSleepTokenNeeded = true;
5146                mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 1, 1).sendToTarget();
5147            }
5148        }
5149
5150        if (mStatusBar != null) {
5151            if (DEBUG_LAYOUT) Slog.i(TAG, "force=" + mForceStatusBar
5152                    + " forcefkg=" + mForceStatusBarFromKeyguard
5153                    + " top=" + mTopFullscreenOpaqueWindowState);
5154            boolean shouldBeTransparent = mForceStatusBarTransparent
5155                    && !mForceStatusBar
5156                    && !mForceStatusBarFromKeyguard;
5157            if (!shouldBeTransparent) {
5158                mStatusBarController.setShowTransparent(false /* transparent */);
5159            } else if (!mStatusBar.isVisibleLw()) {
5160                mStatusBarController.setShowTransparent(true /* transparent */);
5161            }
5162
5163            WindowManager.LayoutParams statusBarAttrs = mStatusBar.getAttrs();
5164            boolean statusBarExpanded = statusBarAttrs.height == MATCH_PARENT
5165                    && statusBarAttrs.width == MATCH_PARENT;
5166            if (mForceStatusBar || mForceStatusBarFromKeyguard || mForceStatusBarTransparent
5167                    || statusBarExpanded) {
5168                if (DEBUG_LAYOUT) Slog.v(TAG, "Showing status bar: forced");
5169                if (mStatusBarController.setBarShowingLw(true)) {
5170                    changes |= FINISH_LAYOUT_REDO_LAYOUT;
5171                }
5172                // Maintain fullscreen layout until incoming animation is complete.
5173                topIsFullscreen = mTopIsFullscreen && mStatusBar.isAnimatingLw();
5174                // Transient status bar on the lockscreen is not allowed
5175                if (mForceStatusBarFromKeyguard && mStatusBarController.isTransientShowing()) {
5176                    mStatusBarController.updateVisibilityLw(false /*transientAllowed*/,
5177                            mLastSystemUiFlags, mLastSystemUiFlags);
5178                }
5179                if (statusBarExpanded && mNavigationBar != null) {
5180                    if (mNavigationBarController.setBarShowingLw(true)) {
5181                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5182                    }
5183                }
5184            } else if (mTopFullscreenOpaqueWindowState != null) {
5185                final int fl = PolicyControl.getWindowFlags(null, lp);
5186                if (localLOGV) {
5187                    Slog.d(TAG, "frame: " + mTopFullscreenOpaqueWindowState.getFrameLw()
5188                            + " shown position: "
5189                            + mTopFullscreenOpaqueWindowState.getShownPositionLw());
5190                    Slog.d(TAG, "attr: " + mTopFullscreenOpaqueWindowState.getAttrs()
5191                            + " lp.flags=0x" + Integer.toHexString(fl));
5192                }
5193                topIsFullscreen = (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0
5194                        || (mLastSystemUiFlags & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
5195                // The subtle difference between the window for mTopFullscreenOpaqueWindowState
5196                // and mTopIsFullscreen is that mTopIsFullscreen is set only if the window
5197                // has the FLAG_FULLSCREEN set.  Not sure if there is another way that to be the
5198                // case though.
5199                if (mStatusBarController.isTransientShowing()) {
5200                    if (mStatusBarController.setBarShowingLw(true)) {
5201                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5202                    }
5203                } else if (topIsFullscreen
5204                        && !mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID)
5205                        && !mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID)) {
5206                    if (DEBUG_LAYOUT) Slog.v(TAG, "** HIDING status bar");
5207                    if (mStatusBarController.setBarShowingLw(false)) {
5208                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5209                    } else {
5210                        if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar already hiding");
5211                    }
5212                } else {
5213                    if (DEBUG_LAYOUT) Slog.v(TAG, "** SHOWING status bar: top is not fullscreen");
5214                    if (mStatusBarController.setBarShowingLw(true)) {
5215                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
5216                    }
5217                }
5218            }
5219        }
5220
5221        if (mTopIsFullscreen != topIsFullscreen) {
5222            if (!topIsFullscreen) {
5223                // Force another layout when status bar becomes fully shown.
5224                changes |= FINISH_LAYOUT_REDO_LAYOUT;
5225            }
5226            mTopIsFullscreen = topIsFullscreen;
5227        }
5228
5229        // Hide the key guard if a visible window explicitly specifies that it wants to be
5230        // displayed when the screen is locked.
5231        if (mKeyguardDelegate != null && mStatusBar != null) {
5232            if (localLOGV) Slog.v(TAG, "finishPostLayoutPolicyLw: mHideKeyguard="
5233                    + mHideLockScreen);
5234            if (mDismissKeyguard != DISMISS_KEYGUARD_NONE && !mKeyguardSecure) {
5235                mKeyguardHidden = true;
5236                if (setKeyguardOccludedLw(true)) {
5237                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5238                            | FINISH_LAYOUT_REDO_CONFIG
5239                            | FINISH_LAYOUT_REDO_WALLPAPER;
5240                }
5241                if (mKeyguardDelegate.isShowing()) {
5242                    mHandler.post(new Runnable() {
5243                        @Override
5244                        public void run() {
5245                            mKeyguardDelegate.keyguardDone(false, false);
5246                        }
5247                    });
5248                }
5249            } else if (mHideLockScreen) {
5250                mKeyguardHidden = true;
5251                mWinDismissingKeyguard = null;
5252                if (setKeyguardOccludedLw(true)) {
5253                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5254                            | FINISH_LAYOUT_REDO_CONFIG
5255                            | FINISH_LAYOUT_REDO_WALLPAPER;
5256                }
5257            } else if (mDismissKeyguard != DISMISS_KEYGUARD_NONE) {
5258                mKeyguardHidden = false;
5259                if (setKeyguardOccludedLw(false)) {
5260                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5261                            | FINISH_LAYOUT_REDO_CONFIG
5262                            | FINISH_LAYOUT_REDO_WALLPAPER;
5263                }
5264                if (mDismissKeyguard == DISMISS_KEYGUARD_START) {
5265                    // Only launch the next keyguard unlock window once per window.
5266                    mHandler.post(new Runnable() {
5267                        @Override
5268                        public void run() {
5269                            mKeyguardDelegate.dismiss();
5270                        }
5271                    });
5272                }
5273            } else {
5274                mWinDismissingKeyguard = null;
5275                mSecureDismissingKeyguard = false;
5276                mKeyguardHidden = false;
5277                if (setKeyguardOccludedLw(false)) {
5278                    changes |= FINISH_LAYOUT_REDO_LAYOUT
5279                            | FINISH_LAYOUT_REDO_CONFIG
5280                            | FINISH_LAYOUT_REDO_WALLPAPER;
5281                }
5282            }
5283        }
5284
5285        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
5286            // If the navigation bar has been hidden or shown, we need to do another
5287            // layout pass to update that window.
5288            changes |= FINISH_LAYOUT_REDO_LAYOUT;
5289        }
5290
5291        // update since mAllowLockscreenWhenOn might have changed
5292        updateLockScreenTimeout();
5293        return changes;
5294    }
5295
5296    /**
5297     * Updates the occluded state of the Keyguard.
5298     *
5299     * @return Whether the flags have changed and we have to redo the layout.
5300     */
5301    private boolean setKeyguardOccludedLw(boolean isOccluded) {
5302        boolean wasOccluded = mKeyguardOccluded;
5303        boolean showing = mKeyguardDelegate.isShowing();
5304        if (wasOccluded && !isOccluded && showing) {
5305            mKeyguardOccluded = false;
5306            mKeyguardDelegate.setOccluded(false);
5307            mStatusBar.getAttrs().privateFlags |= PRIVATE_FLAG_KEYGUARD;
5308            return true;
5309        } else if (!wasOccluded && isOccluded && showing) {
5310            mKeyguardOccluded = true;
5311            mKeyguardDelegate.setOccluded(true);
5312            mStatusBar.getAttrs().privateFlags &= ~PRIVATE_FLAG_KEYGUARD;
5313            mStatusBar.getAttrs().flags &= ~FLAG_SHOW_WALLPAPER;
5314            return true;
5315        } else {
5316            return false;
5317        }
5318    }
5319
5320    private boolean isStatusBarKeyguard() {
5321        return mStatusBar != null
5322                && (mStatusBar.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
5323    }
5324
5325    @Override
5326    public boolean allowAppAnimationsLw() {
5327        if (isStatusBarKeyguard() || mShowingDream) {
5328            // If keyguard or dreams is currently visible, no reason to animate behind it.
5329            return false;
5330        }
5331        return true;
5332    }
5333
5334    @Override
5335    public int focusChangedLw(WindowState lastFocus, WindowState newFocus) {
5336        mFocusedWindow = newFocus;
5337        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
5338            // If the navigation bar has been hidden or shown, we need to do another
5339            // layout pass to update that window.
5340            return FINISH_LAYOUT_REDO_LAYOUT;
5341        }
5342        return 0;
5343    }
5344
5345    /** {@inheritDoc} */
5346    @Override
5347    public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
5348        // lid changed state
5349        final int newLidState = lidOpen ? LID_OPEN : LID_CLOSED;
5350        if (newLidState == mLidState) {
5351            return;
5352        }
5353
5354        mLidState = newLidState;
5355        applyLidSwitchState();
5356        updateRotation(true);
5357
5358        if (lidOpen) {
5359            wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromLidSwitch,
5360                    "android.policy:LID");
5361        } else if (!mLidControlsSleep) {
5362            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
5363        }
5364    }
5365
5366    @Override
5367    public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) {
5368        int lensCoverState = lensCovered ? CAMERA_LENS_COVERED : CAMERA_LENS_UNCOVERED;
5369        if (mCameraLensCoverState == lensCoverState) {
5370            return;
5371        }
5372        if (mCameraLensCoverState == CAMERA_LENS_COVERED &&
5373                lensCoverState == CAMERA_LENS_UNCOVERED) {
5374            Intent intent;
5375            final boolean keyguardActive = mKeyguardDelegate == null ? false :
5376                    mKeyguardDelegate.isShowing();
5377            if (keyguardActive) {
5378                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);
5379            } else {
5380                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
5381            }
5382            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromCameraLens,
5383                    "android.policy:CAMERA_COVER");
5384            startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
5385        }
5386        mCameraLensCoverState = lensCoverState;
5387    }
5388
5389    void setHdmiPlugged(boolean plugged) {
5390        if (mHdmiPlugged != plugged) {
5391            mHdmiPlugged = plugged;
5392            updateRotation(true, true);
5393            Intent intent = new Intent(ACTION_HDMI_PLUGGED);
5394            intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
5395            intent.putExtra(EXTRA_HDMI_PLUGGED_STATE, plugged);
5396            mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
5397        }
5398    }
5399
5400    void initializeHdmiState() {
5401        boolean plugged = false;
5402        // watch for HDMI plug messages if the hdmi switch exists
5403        if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
5404            mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
5405
5406            final String filename = "/sys/class/switch/hdmi/state";
5407            FileReader reader = null;
5408            try {
5409                reader = new FileReader(filename);
5410                char[] buf = new char[15];
5411                int n = reader.read(buf);
5412                if (n > 1) {
5413                    plugged = 0 != Integer.parseInt(new String(buf, 0, n-1));
5414                }
5415            } catch (IOException ex) {
5416                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
5417            } catch (NumberFormatException ex) {
5418                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
5419            } finally {
5420                if (reader != null) {
5421                    try {
5422                        reader.close();
5423                    } catch (IOException ex) {
5424                    }
5425                }
5426            }
5427        }
5428        // This dance forces the code in setHdmiPlugged to run.
5429        // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
5430        mHdmiPlugged = !plugged;
5431        setHdmiPlugged(!mHdmiPlugged);
5432    }
5433
5434    final Object mScreenshotLock = new Object();
5435    ServiceConnection mScreenshotConnection = null;
5436
5437    final Runnable mScreenshotTimeout = new Runnable() {
5438        @Override public void run() {
5439            synchronized (mScreenshotLock) {
5440                if (mScreenshotConnection != null) {
5441                    mContext.unbindService(mScreenshotConnection);
5442                    mScreenshotConnection = null;
5443                    notifyScreenshotError();
5444                }
5445            }
5446        }
5447    };
5448
5449    // Assume this is called from the Handler thread.
5450    private void takeScreenshot(final int screenshotType) {
5451        synchronized (mScreenshotLock) {
5452            if (mScreenshotConnection != null) {
5453                return;
5454            }
5455            final ComponentName serviceComponent = new ComponentName(SYSUI_PACKAGE,
5456                    SYSUI_SCREENSHOT_SERVICE);
5457            final Intent serviceIntent = new Intent();
5458            serviceIntent.setComponent(serviceComponent);
5459            ServiceConnection conn = new ServiceConnection() {
5460                @Override
5461                public void onServiceConnected(ComponentName name, IBinder service) {
5462                    synchronized (mScreenshotLock) {
5463                        if (mScreenshotConnection != this) {
5464                            return;
5465                        }
5466                        Messenger messenger = new Messenger(service);
5467                        Message msg = Message.obtain(null, screenshotType);
5468                        final ServiceConnection myConn = this;
5469                        Handler h = new Handler(mHandler.getLooper()) {
5470                            @Override
5471                            public void handleMessage(Message msg) {
5472                                synchronized (mScreenshotLock) {
5473                                    if (mScreenshotConnection == myConn) {
5474                                        mContext.unbindService(mScreenshotConnection);
5475                                        mScreenshotConnection = null;
5476                                        mHandler.removeCallbacks(mScreenshotTimeout);
5477                                    }
5478                                }
5479                            }
5480                        };
5481                        msg.replyTo = new Messenger(h);
5482                        msg.arg1 = msg.arg2 = 0;
5483                        if (mStatusBar != null && mStatusBar.isVisibleLw())
5484                            msg.arg1 = 1;
5485                        if (mNavigationBar != null && mNavigationBar.isVisibleLw())
5486                            msg.arg2 = 1;
5487                        try {
5488                            messenger.send(msg);
5489                        } catch (RemoteException e) {
5490                        }
5491                    }
5492                }
5493
5494                @Override
5495                public void onServiceDisconnected(ComponentName name) {
5496                    notifyScreenshotError();
5497                }
5498            };
5499            if (mContext.bindServiceAsUser(serviceIntent, conn,
5500                    Context.BIND_AUTO_CREATE | Context.BIND_FOREGROUND_SERVICE_WHILE_AWAKE,
5501                    UserHandle.CURRENT)) {
5502                mScreenshotConnection = conn;
5503                mHandler.postDelayed(mScreenshotTimeout, 10000);
5504            }
5505        }
5506    }
5507
5508    /**
5509     * Notifies the screenshot service to show an error.
5510     */
5511    private void notifyScreenshotError() {
5512        // If the service process is killed, then ask it to clean up after itself
5513        final ComponentName errorComponent = new ComponentName(SYSUI_PACKAGE,
5514                SYSUI_SCREENSHOT_ERROR_RECEIVER);
5515        Intent errorIntent = new Intent(Intent.ACTION_USER_PRESENT);
5516        errorIntent.setComponent(errorComponent);
5517        errorIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT |
5518                Intent.FLAG_RECEIVER_FOREGROUND);
5519        mContext.sendBroadcastAsUser(errorIntent, UserHandle.CURRENT);
5520    }
5521
5522    /** {@inheritDoc} */
5523    @Override
5524    public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) {
5525        if (!mSystemBooted) {
5526            // If we have not yet booted, don't let key events do anything.
5527            return 0;
5528        }
5529
5530        final boolean interactive = (policyFlags & FLAG_INTERACTIVE) != 0;
5531        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
5532        final boolean canceled = event.isCanceled();
5533        final int keyCode = event.getKeyCode();
5534
5535        final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;
5536
5537        // If screen is off then we treat the case where the keyguard is open but hidden
5538        // the same as if it were open and in front.
5539        // This will prevent any keys other than the power button from waking the screen
5540        // when the keyguard is hidden by another activity.
5541        final boolean keyguardActive = (mKeyguardDelegate == null ? false :
5542                                            (interactive ?
5543                                                isKeyguardShowingAndNotOccluded() :
5544                                                mKeyguardDelegate.isShowing()));
5545
5546        if (DEBUG_INPUT) {
5547            Log.d(TAG, "interceptKeyTq keycode=" + keyCode
5548                    + " interactive=" + interactive + " keyguardActive=" + keyguardActive
5549                    + " policyFlags=" + Integer.toHexString(policyFlags));
5550        }
5551
5552        // Basic policy based on interactive state.
5553        int result;
5554        boolean isWakeKey = (policyFlags & WindowManagerPolicy.FLAG_WAKE) != 0
5555                || event.isWakeKey();
5556        if (interactive || (isInjected && !isWakeKey)) {
5557            // When the device is interactive or the key is injected pass the
5558            // key to the application.
5559            result = ACTION_PASS_TO_USER;
5560            isWakeKey = false;
5561
5562            if (interactive) {
5563                // If the screen is awake, but the button pressed was the one that woke the device
5564                // then don't pass it to the application
5565                if (keyCode == mPendingWakeKey && !down) {
5566                    result = 0;
5567                }
5568                // Reset the pending key
5569                mPendingWakeKey = PENDING_KEY_NULL;
5570            }
5571        } else if (!interactive && shouldDispatchInputWhenNonInteractive(event)) {
5572            // If we're currently dozing with the screen on and the keyguard showing, pass the key
5573            // to the application but preserve its wake key status to make sure we still move
5574            // from dozing to fully interactive if we would normally go from off to fully
5575            // interactive.
5576            result = ACTION_PASS_TO_USER;
5577            // Since we're dispatching the input, reset the pending key
5578            mPendingWakeKey = PENDING_KEY_NULL;
5579        } else {
5580            // When the screen is off and the key is not injected, determine whether
5581            // to wake the device but don't pass the key to the application.
5582            result = 0;
5583            if (isWakeKey && (!down || !isWakeKeyWhenScreenOff(keyCode))) {
5584                isWakeKey = false;
5585            }
5586            // Cache the wake key on down event so we can also avoid sending the up event to the app
5587            if (isWakeKey && down) {
5588                mPendingWakeKey = keyCode;
5589            }
5590        }
5591
5592        // If the key would be handled globally, just return the result, don't worry about special
5593        // key processing.
5594        if (isValidGlobalKey(keyCode)
5595                && mGlobalKeyManager.shouldHandleGlobalKey(keyCode, event)) {
5596            if (isWakeKey) {
5597                wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5598            }
5599            return result;
5600        }
5601
5602        boolean useHapticFeedback = down
5603                && (policyFlags & WindowManagerPolicy.FLAG_VIRTUAL) != 0
5604                && event.getRepeatCount() == 0;
5605
5606        // Handle special keys.
5607        switch (keyCode) {
5608            case KeyEvent.KEYCODE_BACK: {
5609                if (down) {
5610                    mBackKeyHandled = false;
5611                    if (hasLongPressOnBackBehavior()) {
5612                        Message msg = mHandler.obtainMessage(MSG_BACK_LONG_PRESS);
5613                        msg.setAsynchronous(true);
5614                        mHandler.sendMessageDelayed(msg,
5615                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
5616                    }
5617                } else {
5618                    boolean handled = mBackKeyHandled;
5619
5620                    // Reset back key state
5621                    cancelPendingBackKeyAction();
5622
5623                    // Don't pass back press to app if we've already handled it
5624                    if (handled) {
5625                        result &= ~ACTION_PASS_TO_USER;
5626                    }
5627                }
5628                break;
5629            }
5630
5631            case KeyEvent.KEYCODE_VOLUME_DOWN:
5632            case KeyEvent.KEYCODE_VOLUME_UP:
5633            case KeyEvent.KEYCODE_VOLUME_MUTE: {
5634                if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
5635                    if (down) {
5636                        if (interactive && !mScreenshotChordVolumeDownKeyTriggered
5637                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5638                            mScreenshotChordVolumeDownKeyTriggered = true;
5639                            mScreenshotChordVolumeDownKeyTime = event.getDownTime();
5640                            mScreenshotChordVolumeDownKeyConsumed = false;
5641                            cancelPendingPowerKeyAction();
5642                            interceptScreenshotChord();
5643                        }
5644                    } else {
5645                        mScreenshotChordVolumeDownKeyTriggered = false;
5646                        cancelPendingScreenshotChordAction();
5647                    }
5648                } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
5649                    if (down) {
5650                        if (interactive && !mScreenshotChordVolumeUpKeyTriggered
5651                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
5652                            mScreenshotChordVolumeUpKeyTriggered = true;
5653                            cancelPendingPowerKeyAction();
5654                            cancelPendingScreenshotChordAction();
5655                        }
5656                    } else {
5657                        mScreenshotChordVolumeUpKeyTriggered = false;
5658                        cancelPendingScreenshotChordAction();
5659                    }
5660                }
5661                if (down) {
5662                    TelecomManager telecomManager = getTelecommService();
5663                    if (telecomManager != null) {
5664                        if (telecomManager.isRinging()) {
5665                            // If an incoming call is ringing, either VOLUME key means
5666                            // "silence ringer".  We handle these keys here, rather than
5667                            // in the InCallScreen, to make sure we'll respond to them
5668                            // even if the InCallScreen hasn't come to the foreground yet.
5669                            // Look for the DOWN event here, to agree with the "fallback"
5670                            // behavior in the InCallScreen.
5671                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5672                                  + " VOLUME key-down while ringing: Silence ringer!");
5673
5674                            // Silence the ringer.  (It's safe to call this
5675                            // even if the ringer has already been silenced.)
5676                            telecomManager.silenceRinger();
5677
5678                            // And *don't* pass this key thru to the current activity
5679                            // (which is probably the InCallScreen.)
5680                            result &= ~ACTION_PASS_TO_USER;
5681                            break;
5682                        }
5683                        if (telecomManager.isInCall()
5684                                && (result & ACTION_PASS_TO_USER) == 0) {
5685                            // If we are in call but we decided not to pass the key to
5686                            // the application, just pass it to the session service.
5687
5688                            MediaSessionLegacyHelper.getHelper(mContext)
5689                                    .sendVolumeKeyEvent(event, false);
5690                            break;
5691                        }
5692                    }
5693                }
5694                if (mUseTvRouting) {
5695                    // On TVs, defer special key handlings to
5696                    // {@link interceptKeyBeforeDispatching()}.
5697                    result |= ACTION_PASS_TO_USER;
5698                } else if ((result & ACTION_PASS_TO_USER) == 0) {
5699                    // If we aren't passing to the user and no one else
5700                    // handled it send it to the session manager to
5701                    // figure out.
5702                    MediaSessionLegacyHelper.getHelper(mContext)
5703                            .sendVolumeKeyEvent(event, true);
5704                }
5705                break;
5706            }
5707
5708            case KeyEvent.KEYCODE_ENDCALL: {
5709                result &= ~ACTION_PASS_TO_USER;
5710                if (down) {
5711                    TelecomManager telecomManager = getTelecommService();
5712                    boolean hungUp = false;
5713                    if (telecomManager != null) {
5714                        hungUp = telecomManager.endCall();
5715                    }
5716                    if (interactive && !hungUp) {
5717                        mEndCallKeyHandled = false;
5718                        mHandler.postDelayed(mEndCallLongPress,
5719                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
5720                    } else {
5721                        mEndCallKeyHandled = true;
5722                    }
5723                } else {
5724                    if (!mEndCallKeyHandled) {
5725                        mHandler.removeCallbacks(mEndCallLongPress);
5726                        if (!canceled) {
5727                            if ((mEndcallBehavior
5728                                    & Settings.System.END_BUTTON_BEHAVIOR_HOME) != 0) {
5729                                if (goHome()) {
5730                                    break;
5731                                }
5732                            }
5733                            if ((mEndcallBehavior
5734                                    & Settings.System.END_BUTTON_BEHAVIOR_SLEEP) != 0) {
5735                                mPowerManager.goToSleep(event.getEventTime(),
5736                                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
5737                                isWakeKey = false;
5738                            }
5739                        }
5740                    }
5741                }
5742                break;
5743            }
5744
5745            case KeyEvent.KEYCODE_POWER: {
5746                result &= ~ACTION_PASS_TO_USER;
5747                isWakeKey = false; // wake-up will be handled separately
5748                if (down) {
5749                    interceptPowerKeyDown(event, interactive);
5750                } else {
5751                    interceptPowerKeyUp(event, interactive, canceled);
5752                }
5753                break;
5754            }
5755
5756            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_DOWN:
5757                // fall through
5758            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_UP:
5759                // fall through
5760            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_LEFT:
5761                // fall through
5762            case KeyEvent.KEYCODE_SYSTEM_NAVIGATION_RIGHT: {
5763                result &= ~ACTION_PASS_TO_USER;
5764                interceptSystemNavigationKey(event);
5765                break;
5766            }
5767
5768            case KeyEvent.KEYCODE_SLEEP: {
5769                result &= ~ACTION_PASS_TO_USER;
5770                isWakeKey = false;
5771                if (!mPowerManager.isInteractive()) {
5772                    useHapticFeedback = false; // suppress feedback if already non-interactive
5773                }
5774                if (down) {
5775                    sleepPress(event.getEventTime());
5776                } else {
5777                    sleepRelease(event.getEventTime());
5778                }
5779                break;
5780            }
5781
5782            case KeyEvent.KEYCODE_SOFT_SLEEP: {
5783                result &= ~ACTION_PASS_TO_USER;
5784                isWakeKey = false;
5785                if (!down) {
5786                    mPowerManagerInternal.setUserInactiveOverrideFromWindowManager();
5787                }
5788                break;
5789            }
5790
5791            case KeyEvent.KEYCODE_WAKEUP: {
5792                result &= ~ACTION_PASS_TO_USER;
5793                isWakeKey = true;
5794                break;
5795            }
5796
5797            case KeyEvent.KEYCODE_MEDIA_PLAY:
5798            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5799            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5800            case KeyEvent.KEYCODE_HEADSETHOOK:
5801            case KeyEvent.KEYCODE_MUTE:
5802            case KeyEvent.KEYCODE_MEDIA_STOP:
5803            case KeyEvent.KEYCODE_MEDIA_NEXT:
5804            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5805            case KeyEvent.KEYCODE_MEDIA_REWIND:
5806            case KeyEvent.KEYCODE_MEDIA_RECORD:
5807            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5808            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: {
5809                if (MediaSessionLegacyHelper.getHelper(mContext).isGlobalPriorityActive()) {
5810                    // If the global session is active pass all media keys to it
5811                    // instead of the active window.
5812                    result &= ~ACTION_PASS_TO_USER;
5813                }
5814                if ((result & ACTION_PASS_TO_USER) == 0) {
5815                    // Only do this if we would otherwise not pass it to the user. In that
5816                    // case, the PhoneWindow class will do the same thing, except it will
5817                    // only do it if the showing app doesn't process the key on its own.
5818                    // Note that we need to make a copy of the key event here because the
5819                    // original key event will be recycled when we return.
5820                    mBroadcastWakeLock.acquire();
5821                    Message msg = mHandler.obtainMessage(MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK,
5822                            new KeyEvent(event));
5823                    msg.setAsynchronous(true);
5824                    msg.sendToTarget();
5825                }
5826                break;
5827            }
5828
5829            case KeyEvent.KEYCODE_CALL: {
5830                if (down) {
5831                    TelecomManager telecomManager = getTelecommService();
5832                    if (telecomManager != null) {
5833                        if (telecomManager.isRinging()) {
5834                            Log.i(TAG, "interceptKeyBeforeQueueing:"
5835                                  + " CALL key-down while ringing: Answer the call!");
5836                            telecomManager.acceptRingingCall();
5837
5838                            // And *don't* pass this key thru to the current activity
5839                            // (which is presumably the InCallScreen.)
5840                            result &= ~ACTION_PASS_TO_USER;
5841                        }
5842                    }
5843                }
5844                break;
5845            }
5846            case KeyEvent.KEYCODE_VOICE_ASSIST: {
5847                // Only do this if we would otherwise not pass it to the user. In that case,
5848                // interceptKeyBeforeDispatching would apply a similar but different policy in
5849                // order to invoke voice assist actions. Note that we need to make a copy of the
5850                // key event here because the original key event will be recycled when we return.
5851                if ((result & ACTION_PASS_TO_USER) == 0 && !down) {
5852                    mBroadcastWakeLock.acquire();
5853                    Message msg = mHandler.obtainMessage(MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK,
5854                            keyguardActive ? 1 : 0, 0);
5855                    msg.setAsynchronous(true);
5856                    msg.sendToTarget();
5857                }
5858                break;
5859            }
5860            case KeyEvent.KEYCODE_WINDOW: {
5861                if (mShortPressWindowBehavior == SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE) {
5862                    if (mTvPictureInPictureVisible) {
5863                        // Consumes the key only if picture-in-picture is visible
5864                        // to show picture-in-picture control menu.
5865                        // This gives a chance to the foreground activity
5866                        // to customize PIP key behavior.
5867                        if (!down) {
5868                            showTvPictureInPictureMenu(event);
5869                        }
5870                        result &= ~ACTION_PASS_TO_USER;
5871                    }
5872                }
5873                break;
5874            }
5875        }
5876
5877        if (useHapticFeedback) {
5878            performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
5879        }
5880
5881        if (isWakeKey) {
5882            wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5883        }
5884
5885        return result;
5886    }
5887
5888    /**
5889     * Handle statusbar expansion events.
5890     * @param event
5891     */
5892    private void interceptSystemNavigationKey(KeyEvent event) {
5893        if (event.getAction() == KeyEvent.ACTION_UP && areSystemNavigationKeysEnabled()) {
5894            IStatusBarService sbar = getStatusBarService();
5895            if (sbar != null) {
5896                try {
5897                    sbar.handleSystemNavigationKey(event.getKeyCode());
5898                } catch (RemoteException e1) {
5899                    // oops, no statusbar. Ignore event.
5900                }
5901            }
5902        }
5903    }
5904
5905    /**
5906     * Returns true if the key can have global actions attached to it.
5907     * We reserve all power management keys for the system since they require
5908     * very careful handling.
5909     */
5910    private static boolean isValidGlobalKey(int keyCode) {
5911        switch (keyCode) {
5912            case KeyEvent.KEYCODE_POWER:
5913            case KeyEvent.KEYCODE_WAKEUP:
5914            case KeyEvent.KEYCODE_SLEEP:
5915                return false;
5916            default:
5917                return true;
5918        }
5919    }
5920
5921    /**
5922     * When the screen is off we ignore some keys that might otherwise typically
5923     * be considered wake keys.  We filter them out here.
5924     *
5925     * {@link KeyEvent#KEYCODE_POWER} is notably absent from this list because it
5926     * is always considered a wake key.
5927     */
5928    private boolean isWakeKeyWhenScreenOff(int keyCode) {
5929        switch (keyCode) {
5930            // ignore volume keys unless docked
5931            case KeyEvent.KEYCODE_VOLUME_UP:
5932            case KeyEvent.KEYCODE_VOLUME_DOWN:
5933            case KeyEvent.KEYCODE_VOLUME_MUTE:
5934                return mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;
5935
5936            // ignore media and camera keys
5937            case KeyEvent.KEYCODE_MUTE:
5938            case KeyEvent.KEYCODE_HEADSETHOOK:
5939            case KeyEvent.KEYCODE_MEDIA_PLAY:
5940            case KeyEvent.KEYCODE_MEDIA_PAUSE:
5941            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5942            case KeyEvent.KEYCODE_MEDIA_STOP:
5943            case KeyEvent.KEYCODE_MEDIA_NEXT:
5944            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5945            case KeyEvent.KEYCODE_MEDIA_REWIND:
5946            case KeyEvent.KEYCODE_MEDIA_RECORD:
5947            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5948            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK:
5949            case KeyEvent.KEYCODE_CAMERA:
5950                return false;
5951        }
5952        return true;
5953    }
5954
5955
5956    /** {@inheritDoc} */
5957    @Override
5958    public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) {
5959        if ((policyFlags & FLAG_WAKE) != 0) {
5960            if (wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotion,
5961                    "android.policy:MOTION")) {
5962                return 0;
5963            }
5964        }
5965
5966        if (shouldDispatchInputWhenNonInteractive(null)) {
5967            return ACTION_PASS_TO_USER;
5968        }
5969
5970        // If we have not passed the action up and we are in theater mode without dreaming,
5971        // there will be no dream to intercept the touch and wake into ambient.  The device should
5972        // wake up in this case.
5973        if (isTheaterModeEnabled() && (policyFlags & FLAG_WAKE) != 0) {
5974            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotionWhenNotDreaming,
5975                    "android.policy:MOTION");
5976        }
5977
5978        return 0;
5979    }
5980
5981    private boolean shouldDispatchInputWhenNonInteractive(KeyEvent event) {
5982        final boolean displayOff = (mDisplay == null || mDisplay.getState() == Display.STATE_OFF);
5983
5984        if (displayOff && !mHasFeatureWatch) {
5985            return false;
5986        }
5987
5988        // Send events to keyguard while the screen is on and it's showing.
5989        if (isKeyguardShowingAndNotOccluded() && !displayOff) {
5990            return true;
5991        }
5992
5993        // Watches handle BACK specially
5994        if (mHasFeatureWatch
5995                && event != null
5996                && (event.getKeyCode() == KeyEvent.KEYCODE_BACK
5997                        || event.getKeyCode() == KeyEvent.KEYCODE_STEM_PRIMARY)) {
5998            return false;
5999        }
6000
6001        // Send events to a dozing dream even if the screen is off since the dream
6002        // is in control of the state of the screen.
6003        IDreamManager dreamManager = getDreamManager();
6004
6005        try {
6006            if (dreamManager != null && dreamManager.isDreaming()) {
6007                return true;
6008            }
6009        } catch (RemoteException e) {
6010            Slog.e(TAG, "RemoteException when checking if dreaming", e);
6011        }
6012
6013        // Otherwise, consume events since the user can't see what is being
6014        // interacted with.
6015        return false;
6016    }
6017
6018    private void dispatchDirectAudioEvent(KeyEvent event) {
6019        if (event.getAction() != KeyEvent.ACTION_DOWN) {
6020            return;
6021        }
6022        int keyCode = event.getKeyCode();
6023        int flags = AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_PLAY_SOUND
6024                | AudioManager.FLAG_FROM_KEY;
6025        String pkgName = mContext.getOpPackageName();
6026        switch (keyCode) {
6027            case KeyEvent.KEYCODE_VOLUME_UP:
6028                try {
6029                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_RAISE,
6030                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6031                } catch (RemoteException e) {
6032                    Log.e(TAG, "Error dispatching volume up in dispatchTvAudioEvent.", e);
6033                }
6034                break;
6035            case KeyEvent.KEYCODE_VOLUME_DOWN:
6036                try {
6037                    getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_LOWER,
6038                            AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6039                } catch (RemoteException e) {
6040                    Log.e(TAG, "Error dispatching volume down in dispatchTvAudioEvent.", e);
6041                }
6042                break;
6043            case KeyEvent.KEYCODE_VOLUME_MUTE:
6044                try {
6045                    if (event.getRepeatCount() == 0) {
6046                        getAudioService().adjustSuggestedStreamVolume(
6047                                AudioManager.ADJUST_TOGGLE_MUTE,
6048                                AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
6049                    }
6050                } catch (RemoteException e) {
6051                    Log.e(TAG, "Error dispatching mute in dispatchTvAudioEvent.", e);
6052                }
6053                break;
6054        }
6055    }
6056
6057    void dispatchMediaKeyWithWakeLock(KeyEvent event) {
6058        if (DEBUG_INPUT) {
6059            Slog.d(TAG, "dispatchMediaKeyWithWakeLock: " + event);
6060        }
6061
6062        if (mHavePendingMediaKeyRepeatWithWakeLock) {
6063            if (DEBUG_INPUT) {
6064                Slog.d(TAG, "dispatchMediaKeyWithWakeLock: canceled repeat");
6065            }
6066
6067            mHandler.removeMessages(MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK);
6068            mHavePendingMediaKeyRepeatWithWakeLock = false;
6069            mBroadcastWakeLock.release(); // pending repeat was holding onto the wake lock
6070        }
6071
6072        dispatchMediaKeyWithWakeLockToAudioService(event);
6073
6074        if (event.getAction() == KeyEvent.ACTION_DOWN
6075                && event.getRepeatCount() == 0) {
6076            mHavePendingMediaKeyRepeatWithWakeLock = true;
6077
6078            Message msg = mHandler.obtainMessage(
6079                    MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK, event);
6080            msg.setAsynchronous(true);
6081            mHandler.sendMessageDelayed(msg, ViewConfiguration.getKeyRepeatTimeout());
6082        } else {
6083            mBroadcastWakeLock.release();
6084        }
6085    }
6086
6087    void dispatchMediaKeyRepeatWithWakeLock(KeyEvent event) {
6088        mHavePendingMediaKeyRepeatWithWakeLock = false;
6089
6090        KeyEvent repeatEvent = KeyEvent.changeTimeRepeat(event,
6091                SystemClock.uptimeMillis(), 1, event.getFlags() | KeyEvent.FLAG_LONG_PRESS);
6092        if (DEBUG_INPUT) {
6093            Slog.d(TAG, "dispatchMediaKeyRepeatWithWakeLock: " + repeatEvent);
6094        }
6095
6096        dispatchMediaKeyWithWakeLockToAudioService(repeatEvent);
6097        mBroadcastWakeLock.release();
6098    }
6099
6100    void dispatchMediaKeyWithWakeLockToAudioService(KeyEvent event) {
6101        if (ActivityManagerNative.isSystemReady()) {
6102            MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(event, true);
6103        }
6104    }
6105
6106    void launchVoiceAssistWithWakeLock(boolean keyguardActive) {
6107        IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
6108                ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
6109        if (dic != null) {
6110            try {
6111                dic.exitIdle("voice-search");
6112            } catch (RemoteException e) {
6113            }
6114        }
6115        Intent voiceIntent =
6116            new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
6117        voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, keyguardActive);
6118        startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
6119        mBroadcastWakeLock.release();
6120    }
6121
6122    BroadcastReceiver mDockReceiver = new BroadcastReceiver() {
6123        @Override
6124        public void onReceive(Context context, Intent intent) {
6125            if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
6126                mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
6127                        Intent.EXTRA_DOCK_STATE_UNDOCKED);
6128            } else {
6129                try {
6130                    IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
6131                            ServiceManager.getService(Context.UI_MODE_SERVICE));
6132                    mUiMode = uiModeService.getCurrentModeType();
6133                } catch (RemoteException e) {
6134                }
6135            }
6136            updateRotation(true);
6137            synchronized (mLock) {
6138                updateOrientationListenerLp();
6139            }
6140        }
6141    };
6142
6143    BroadcastReceiver mDreamReceiver = new BroadcastReceiver() {
6144        @Override
6145        public void onReceive(Context context, Intent intent) {
6146            if (Intent.ACTION_DREAMING_STARTED.equals(intent.getAction())) {
6147                if (mKeyguardDelegate != null) {
6148                    mKeyguardDelegate.onDreamingStarted();
6149                }
6150            } else if (Intent.ACTION_DREAMING_STOPPED.equals(intent.getAction())) {
6151                if (mKeyguardDelegate != null) {
6152                    mKeyguardDelegate.onDreamingStopped();
6153                }
6154            }
6155        }
6156    };
6157
6158    BroadcastReceiver mMultiuserReceiver = new BroadcastReceiver() {
6159        @Override
6160        public void onReceive(Context context, Intent intent) {
6161            if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) {
6162                // tickle the settings observer: this first ensures that we're
6163                // observing the relevant settings for the newly-active user,
6164                // and then updates our own bookkeeping based on the now-
6165                // current user.
6166                mSettingsObserver.onChange(false);
6167
6168                // force a re-application of focused window sysui visibility.
6169                // the window may never have been shown for this user
6170                // e.g. the keyguard when going through the new-user setup flow
6171                synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6172                    mLastSystemUiFlags = 0;
6173                    updateSystemUiVisibilityLw();
6174                }
6175            }
6176        }
6177    };
6178
6179    private final Runnable mHiddenNavPanic = new Runnable() {
6180        @Override
6181        public void run() {
6182            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6183                if (!isUserSetupComplete()) {
6184                    // Swipe-up for navigation bar is disabled during setup
6185                    return;
6186                }
6187                mPendingPanicGestureUptime = SystemClock.uptimeMillis();
6188                mNavigationBarController.showTransient();
6189            }
6190        }
6191    };
6192
6193    private void requestTransientBars(WindowState swipeTarget) {
6194        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
6195            if (!isUserSetupComplete()) {
6196                // Swipe-up for navigation bar is disabled during setup
6197                return;
6198            }
6199            boolean sb = mStatusBarController.checkShowTransientBarLw();
6200            boolean nb = mNavigationBarController.checkShowTransientBarLw();
6201            if (sb || nb) {
6202                // Don't show status bar when swiping on already visible navigation bar
6203                if (!nb && swipeTarget == mNavigationBar) {
6204                    if (DEBUG) Slog.d(TAG, "Not showing transient bar, wrong swipe target");
6205                    return;
6206                }
6207                if (sb) mStatusBarController.showTransient();
6208                if (nb) mNavigationBarController.showTransient();
6209                mImmersiveModeConfirmation.confirmCurrentPrompt();
6210                updateSystemUiVisibilityLw();
6211            }
6212        }
6213    }
6214
6215    // Called on the PowerManager's Notifier thread.
6216    @Override
6217    public void startedGoingToSleep(int why) {
6218        if (DEBUG_WAKEUP) Slog.i(TAG, "Started going to sleep... (why=" + why + ")");
6219        mCameraGestureTriggeredDuringGoingToSleep = false;
6220        mGoingToSleep = true;
6221        if (mKeyguardDelegate != null) {
6222            mKeyguardDelegate.onStartedGoingToSleep(why);
6223        }
6224    }
6225
6226    // Called on the PowerManager's Notifier thread.
6227    @Override
6228    public void finishedGoingToSleep(int why) {
6229        EventLog.writeEvent(70000, 0);
6230        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished going to sleep... (why=" + why + ")");
6231        MetricsLogger.histogram(mContext, "screen_timeout", mLockScreenTimeout / 1000);
6232
6233        mGoingToSleep = false;
6234
6235        // We must get this work done here because the power manager will drop
6236        // the wake lock and let the system suspend once this function returns.
6237        synchronized (mLock) {
6238            mAwake = false;
6239            updateWakeGestureListenerLp();
6240            updateOrientationListenerLp();
6241            updateLockScreenTimeout();
6242        }
6243        if (mKeyguardDelegate != null) {
6244            mKeyguardDelegate.onFinishedGoingToSleep(why,
6245                    mCameraGestureTriggeredDuringGoingToSleep);
6246        }
6247        mCameraGestureTriggeredDuringGoingToSleep = false;
6248    }
6249
6250    // Called on the PowerManager's Notifier thread.
6251    @Override
6252    public void startedWakingUp() {
6253        EventLog.writeEvent(70000, 1);
6254        if (DEBUG_WAKEUP) Slog.i(TAG, "Started waking up...");
6255
6256        // Since goToSleep performs these functions synchronously, we must
6257        // do the same here.  We cannot post this work to a handler because
6258        // that might cause it to become reordered with respect to what
6259        // may happen in a future call to goToSleep.
6260        synchronized (mLock) {
6261            mAwake = true;
6262
6263            updateWakeGestureListenerLp();
6264            updateOrientationListenerLp();
6265            updateLockScreenTimeout();
6266        }
6267
6268        if (mKeyguardDelegate != null) {
6269            mKeyguardDelegate.onStartedWakingUp();
6270        }
6271    }
6272
6273    // Called on the PowerManager's Notifier thread.
6274    @Override
6275    public void finishedWakingUp() {
6276        if (DEBUG_WAKEUP) Slog.i(TAG, "Finished waking up...");
6277    }
6278
6279    private void wakeUpFromPowerKey(long eventTime) {
6280        wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey, "android.policy:POWER");
6281    }
6282
6283    private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode, String reason) {
6284        final boolean theaterModeEnabled = isTheaterModeEnabled();
6285        if (!wakeInTheaterMode && theaterModeEnabled) {
6286            return false;
6287        }
6288
6289        if (theaterModeEnabled) {
6290            Settings.Global.putInt(mContext.getContentResolver(),
6291                    Settings.Global.THEATER_MODE_ON, 0);
6292        }
6293
6294        mPowerManager.wakeUp(wakeTime, reason);
6295        return true;
6296    }
6297
6298    private void finishKeyguardDrawn() {
6299        synchronized (mLock) {
6300            if (!mScreenOnEarly || mKeyguardDrawComplete) {
6301                return; // We are not awake yet or we have already informed of this event.
6302            }
6303
6304            mKeyguardDrawComplete = true;
6305            if (mKeyguardDelegate != null) {
6306                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
6307            }
6308            mWindowManagerDrawComplete = false;
6309        }
6310
6311        // ... eventually calls finishWindowsDrawn which will finalize our screen turn on
6312        // as well as enabling the orientation change logic/sensor.
6313        mWindowManagerInternal.waitForAllWindowsDrawn(mWindowManagerDrawCallback,
6314                WAITING_FOR_DRAWN_TIMEOUT);
6315    }
6316
6317    // Called on the DisplayManager's DisplayPowerController thread.
6318    @Override
6319    public void screenTurnedOff() {
6320        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turned off...");
6321
6322        updateScreenOffSleepToken(true);
6323        synchronized (mLock) {
6324            mScreenOnEarly = false;
6325            mScreenOnFully = false;
6326            mKeyguardDrawComplete = false;
6327            mWindowManagerDrawComplete = false;
6328            mScreenOnListener = null;
6329            updateOrientationListenerLp();
6330
6331            if (mKeyguardDelegate != null) {
6332                mKeyguardDelegate.onScreenTurnedOff();
6333            }
6334        }
6335    }
6336
6337    // Called on the DisplayManager's DisplayPowerController thread.
6338    @Override
6339    public void screenTurningOn(final ScreenOnListener screenOnListener) {
6340        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turning on...");
6341
6342        updateScreenOffSleepToken(false);
6343        synchronized (mLock) {
6344            mScreenOnEarly = true;
6345            mScreenOnFully = false;
6346            mKeyguardDrawComplete = false;
6347            mWindowManagerDrawComplete = false;
6348            mScreenOnListener = screenOnListener;
6349
6350            if (mKeyguardDelegate != null) {
6351                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
6352                mHandler.sendEmptyMessageDelayed(MSG_KEYGUARD_DRAWN_TIMEOUT, 1000);
6353                mKeyguardDelegate.onScreenTurningOn(mKeyguardDrawnCallback);
6354            } else {
6355                if (DEBUG_WAKEUP) Slog.d(TAG,
6356                        "null mKeyguardDelegate: setting mKeyguardDrawComplete.");
6357                finishKeyguardDrawn();
6358            }
6359        }
6360    }
6361
6362    // Called on the DisplayManager's DisplayPowerController thread.
6363    @Override
6364    public void screenTurnedOn() {
6365        synchronized (mLock) {
6366            if (mKeyguardDelegate != null) {
6367                mKeyguardDelegate.onScreenTurnedOn();
6368            }
6369        }
6370    }
6371
6372    private void finishWindowsDrawn() {
6373        synchronized (mLock) {
6374            if (!mScreenOnEarly || mWindowManagerDrawComplete) {
6375                return; // Screen is not turned on or we did already handle this case earlier.
6376            }
6377
6378            mWindowManagerDrawComplete = true;
6379        }
6380
6381        finishScreenTurningOn();
6382    }
6383
6384    private void finishScreenTurningOn() {
6385        synchronized (mLock) {
6386            // We have just finished drawing screen content. Since the orientation listener
6387            // gets only installed when all windows are drawn, we try to install it again.
6388            updateOrientationListenerLp();
6389        }
6390        final ScreenOnListener listener;
6391        final boolean enableScreen;
6392        synchronized (mLock) {
6393            if (DEBUG_WAKEUP) Slog.d(TAG,
6394                    "finishScreenTurningOn: mAwake=" + mAwake
6395                            + ", mScreenOnEarly=" + mScreenOnEarly
6396                            + ", mScreenOnFully=" + mScreenOnFully
6397                            + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
6398                            + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
6399
6400            if (mScreenOnFully || !mScreenOnEarly || !mWindowManagerDrawComplete
6401                    || (mAwake && !mKeyguardDrawComplete)) {
6402                return; // spurious or not ready yet
6403            }
6404
6405            if (DEBUG_WAKEUP) Slog.i(TAG, "Finished screen turning on...");
6406            listener = mScreenOnListener;
6407            mScreenOnListener = null;
6408            mScreenOnFully = true;
6409
6410            // Remember the first time we draw the keyguard so we know when we're done with
6411            // the main part of booting and can enable the screen and hide boot messages.
6412            if (!mKeyguardDrawnOnce && mAwake) {
6413                mKeyguardDrawnOnce = true;
6414                enableScreen = true;
6415                if (mBootMessageNeedsHiding) {
6416                    mBootMessageNeedsHiding = false;
6417                    hideBootMessages();
6418                }
6419            } else {
6420                enableScreen = false;
6421            }
6422        }
6423
6424        if (listener != null) {
6425            listener.onScreenOn();
6426        }
6427
6428        if (enableScreen) {
6429            try {
6430                mWindowManager.enableScreenIfNeeded();
6431            } catch (RemoteException unhandled) {
6432            }
6433        }
6434    }
6435
6436    private void handleHideBootMessage() {
6437        synchronized (mLock) {
6438            if (!mKeyguardDrawnOnce) {
6439                mBootMessageNeedsHiding = true;
6440                return; // keyguard hasn't drawn the first time yet, not done booting
6441            }
6442        }
6443
6444        if (mBootMsgDialog != null) {
6445            if (DEBUG_WAKEUP) Slog.d(TAG, "handleHideBootMessage: dismissing");
6446            mBootMsgDialog.dismiss();
6447            mBootMsgDialog = null;
6448        }
6449    }
6450
6451    @Override
6452    public boolean isScreenOn() {
6453        return mScreenOnFully;
6454    }
6455
6456    /** {@inheritDoc} */
6457    @Override
6458    public void enableKeyguard(boolean enabled) {
6459        if (mKeyguardDelegate != null) {
6460            mKeyguardDelegate.setKeyguardEnabled(enabled);
6461        }
6462    }
6463
6464    /** {@inheritDoc} */
6465    @Override
6466    public void exitKeyguardSecurely(OnKeyguardExitResult callback) {
6467        if (mKeyguardDelegate != null) {
6468            mKeyguardDelegate.verifyUnlock(callback);
6469        }
6470    }
6471
6472    private boolean isKeyguardShowingAndNotOccluded() {
6473        if (mKeyguardDelegate == null) return false;
6474        return mKeyguardDelegate.isShowing() && !mKeyguardOccluded;
6475    }
6476
6477    /** {@inheritDoc} */
6478    @Override
6479    public boolean isKeyguardLocked() {
6480        return keyguardOn();
6481    }
6482
6483    /** {@inheritDoc} */
6484    @Override
6485    public boolean isKeyguardSecure(int userId) {
6486        if (mKeyguardDelegate == null) return false;
6487        return mKeyguardDelegate.isSecure(userId);
6488    }
6489
6490    /** {@inheritDoc} */
6491    @Override
6492    public boolean isKeyguardShowingOrOccluded() {
6493        return mKeyguardDelegate == null ? false : mKeyguardDelegate.isShowing();
6494    }
6495
6496    /** {@inheritDoc} */
6497    @Override
6498    public boolean inKeyguardRestrictedKeyInputMode() {
6499        if (mKeyguardDelegate == null) return false;
6500        return mKeyguardDelegate.isInputRestricted();
6501    }
6502
6503    @Override
6504    public void dismissKeyguardLw() {
6505        if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
6506            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.dismissKeyguardLw");
6507            mHandler.post(new Runnable() {
6508                @Override
6509                public void run() {
6510                    // ask the keyguard to prompt the user to authenticate if necessary
6511                    mKeyguardDelegate.dismiss();
6512                }
6513            });
6514        }
6515    }
6516
6517    @Override
6518    public void notifyActivityDrawnForKeyguardLw() {
6519        if (mKeyguardDelegate != null) {
6520            mHandler.post(new Runnable() {
6521                @Override
6522                public void run() {
6523                    mKeyguardDelegate.onActivityDrawn();
6524                }
6525            });
6526        }
6527    }
6528
6529    @Override
6530    public boolean isKeyguardDrawnLw() {
6531        synchronized (mLock) {
6532            return mKeyguardDrawnOnce;
6533        }
6534    }
6535
6536    @Override
6537    public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
6538        if (mKeyguardDelegate != null) {
6539            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.startKeyguardExitAnimation");
6540            mKeyguardDelegate.startKeyguardExitAnimation(startTime, fadeoutDuration);
6541        }
6542    }
6543
6544    @Override
6545    public void getStableInsetsLw(int displayRotation, int displayWidth, int displayHeight,
6546            Rect outInsets) {
6547        outInsets.setEmpty();
6548
6549        // Navigation bar and status bar.
6550        getNonDecorInsetsLw(displayRotation, displayWidth, displayHeight, outInsets);
6551        if (mStatusBar != null) {
6552            outInsets.top = mStatusBarHeight;
6553        }
6554    }
6555
6556    @Override
6557    public void getNonDecorInsetsLw(int displayRotation, int displayWidth, int displayHeight,
6558            Rect outInsets) {
6559        outInsets.setEmpty();
6560
6561        // Only navigation bar
6562        if (mNavigationBar != null) {
6563            int position = navigationBarPosition(displayWidth, displayHeight, displayRotation);
6564            if (position == NAV_BAR_BOTTOM) {
6565                outInsets.bottom = getNavigationBarHeight(displayRotation, mUiMode);
6566            } else if (position == NAV_BAR_RIGHT) {
6567                outInsets.right = getNavigationBarWidth(displayRotation, mUiMode);
6568            } else if (position == NAV_BAR_LEFT) {
6569                outInsets.left = getNavigationBarWidth(displayRotation, mUiMode);
6570            }
6571        }
6572    }
6573
6574    @Override
6575    public boolean isNavBarForcedShownLw(WindowState windowState) {
6576        return mForceShowSystemBars;
6577    }
6578
6579    @Override
6580    public boolean isDockSideAllowed(int dockSide) {
6581
6582        // We do not allow all dock sides at which the navigation bar touches the docked stack.
6583        if (!mNavigationBarCanMove) {
6584            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT || dockSide == DOCKED_RIGHT;
6585        } else {
6586            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT;
6587        }
6588    }
6589
6590    void sendCloseSystemWindows() {
6591        PhoneWindow.sendCloseSystemWindows(mContext, null);
6592    }
6593
6594    void sendCloseSystemWindows(String reason) {
6595        PhoneWindow.sendCloseSystemWindows(mContext, reason);
6596    }
6597
6598    @Override
6599    public int rotationForOrientationLw(int orientation, int lastRotation) {
6600        if (false) {
6601            Slog.v(TAG, "rotationForOrientationLw(orient="
6602                        + orientation + ", last=" + lastRotation
6603                        + "); user=" + mUserRotation + " "
6604                        + ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED)
6605                            ? "USER_ROTATION_LOCKED" : "")
6606                        );
6607        }
6608
6609        if (mForceDefaultOrientation) {
6610            return Surface.ROTATION_0;
6611        }
6612
6613        synchronized (mLock) {
6614            int sensorRotation = mOrientationListener.getProposedRotation(); // may be -1
6615            if (sensorRotation < 0) {
6616                sensorRotation = lastRotation;
6617            }
6618
6619            final int preferredRotation;
6620            if (mLidState == LID_OPEN && mLidOpenRotation >= 0) {
6621                // Ignore sensor when lid switch is open and rotation is forced.
6622                preferredRotation = mLidOpenRotation;
6623            } else if (mDockMode == Intent.EXTRA_DOCK_STATE_CAR
6624                    && (mCarDockEnablesAccelerometer || mCarDockRotation >= 0)) {
6625                // Ignore sensor when in car dock unless explicitly enabled.
6626                // This case can override the behavior of NOSENSOR, and can also
6627                // enable 180 degree rotation while docked.
6628                preferredRotation = mCarDockEnablesAccelerometer
6629                        ? sensorRotation : mCarDockRotation;
6630            } else if ((mDockMode == Intent.EXTRA_DOCK_STATE_DESK
6631                    || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
6632                    || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK)
6633                    && (mDeskDockEnablesAccelerometer || mDeskDockRotation >= 0)) {
6634                // Ignore sensor when in desk dock unless explicitly enabled.
6635                // This case can override the behavior of NOSENSOR, and can also
6636                // enable 180 degree rotation while docked.
6637                preferredRotation = mDeskDockEnablesAccelerometer
6638                        ? sensorRotation : mDeskDockRotation;
6639            } else if (mHdmiPlugged && mDemoHdmiRotationLock) {
6640                // Ignore sensor when plugged into HDMI when demo HDMI rotation lock enabled.
6641                // Note that the dock orientation overrides the HDMI orientation.
6642                preferredRotation = mDemoHdmiRotation;
6643            } else if (mHdmiPlugged && mDockMode == Intent.EXTRA_DOCK_STATE_UNDOCKED
6644                    && mUndockedHdmiRotation >= 0) {
6645                // Ignore sensor when plugged into HDMI and an undocked orientation has
6646                // been specified in the configuration (only for legacy devices without
6647                // full multi-display support).
6648                // Note that the dock orientation overrides the HDMI orientation.
6649                preferredRotation = mUndockedHdmiRotation;
6650            } else if (mDemoRotationLock) {
6651                // Ignore sensor when demo rotation lock is enabled.
6652                // Note that the dock orientation and HDMI rotation lock override this.
6653                preferredRotation = mDemoRotation;
6654            } else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {
6655                // Application just wants to remain locked in the last rotation.
6656                preferredRotation = lastRotation;
6657            } else if (!mSupportAutoRotation) {
6658                // If we don't support auto-rotation then bail out here and ignore
6659                // the sensor and any rotation lock settings.
6660                preferredRotation = -1;
6661            } else if ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE
6662                            && (orientation == ActivityInfo.SCREEN_ORIENTATION_USER
6663                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
6664                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
6665                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT
6666                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER))
6667                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
6668                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
6669                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE
6670                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) {
6671                // Otherwise, use sensor only if requested by the application or enabled
6672                // by default for USER or UNSPECIFIED modes.  Does not apply to NOSENSOR.
6673                if (mAllowAllRotations < 0) {
6674                    // Can't read this during init() because the context doesn't
6675                    // have display metrics at that time so we cannot determine
6676                    // tablet vs. phone then.
6677                    mAllowAllRotations = mContext.getResources().getBoolean(
6678                            com.android.internal.R.bool.config_allowAllRotations) ? 1 : 0;
6679                }
6680                if (sensorRotation != Surface.ROTATION_180
6681                        || mAllowAllRotations == 1
6682                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
6683                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER) {
6684                    preferredRotation = sensorRotation;
6685                } else {
6686                    preferredRotation = lastRotation;
6687                }
6688            } else if (mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED
6689                    && orientation != ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
6690                // Apply rotation lock.  Does not apply to NOSENSOR.
6691                // The idea is that the user rotation expresses a weak preference for the direction
6692                // of gravity and as NOSENSOR is never affected by gravity, then neither should
6693                // NOSENSOR be affected by rotation lock (although it will be affected by docks).
6694                preferredRotation = mUserRotation;
6695            } else {
6696                // No overriding preference.
6697                // We will do exactly what the application asked us to do.
6698                preferredRotation = -1;
6699            }
6700
6701            switch (orientation) {
6702                case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6703                    // Return portrait unless overridden.
6704                    if (isAnyPortrait(preferredRotation)) {
6705                        return preferredRotation;
6706                    }
6707                    return mPortraitRotation;
6708
6709                case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6710                    // Return landscape unless overridden.
6711                    if (isLandscapeOrSeascape(preferredRotation)) {
6712                        return preferredRotation;
6713                    }
6714                    return mLandscapeRotation;
6715
6716                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6717                    // Return reverse portrait unless overridden.
6718                    if (isAnyPortrait(preferredRotation)) {
6719                        return preferredRotation;
6720                    }
6721                    return mUpsideDownRotation;
6722
6723                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6724                    // Return seascape unless overridden.
6725                    if (isLandscapeOrSeascape(preferredRotation)) {
6726                        return preferredRotation;
6727                    }
6728                    return mSeascapeRotation;
6729
6730                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6731                case ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE:
6732                    // Return either landscape rotation.
6733                    if (isLandscapeOrSeascape(preferredRotation)) {
6734                        return preferredRotation;
6735                    }
6736                    if (isLandscapeOrSeascape(lastRotation)) {
6737                        return lastRotation;
6738                    }
6739                    return mLandscapeRotation;
6740
6741                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6742                case ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT:
6743                    // Return either portrait rotation.
6744                    if (isAnyPortrait(preferredRotation)) {
6745                        return preferredRotation;
6746                    }
6747                    if (isAnyPortrait(lastRotation)) {
6748                        return lastRotation;
6749                    }
6750                    return mPortraitRotation;
6751
6752                default:
6753                    // For USER, UNSPECIFIED, NOSENSOR, SENSOR and FULL_SENSOR,
6754                    // just return the preferred orientation we already calculated.
6755                    if (preferredRotation >= 0) {
6756                        return preferredRotation;
6757                    }
6758                    return Surface.ROTATION_0;
6759            }
6760        }
6761    }
6762
6763    @Override
6764    public boolean rotationHasCompatibleMetricsLw(int orientation, int rotation) {
6765        switch (orientation) {
6766            case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
6767            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
6768            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
6769                return isAnyPortrait(rotation);
6770
6771            case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
6772            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
6773            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
6774                return isLandscapeOrSeascape(rotation);
6775
6776            default:
6777                return true;
6778        }
6779    }
6780
6781    @Override
6782    public void setRotationLw(int rotation) {
6783        mOrientationListener.setCurrentRotation(rotation);
6784    }
6785
6786    private boolean isLandscapeOrSeascape(int rotation) {
6787        return rotation == mLandscapeRotation || rotation == mSeascapeRotation;
6788    }
6789
6790    private boolean isAnyPortrait(int rotation) {
6791        return rotation == mPortraitRotation || rotation == mUpsideDownRotation;
6792    }
6793
6794    @Override
6795    public int getUserRotationMode() {
6796        return Settings.System.getIntForUser(mContext.getContentResolver(),
6797                Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
6798                        WindowManagerPolicy.USER_ROTATION_FREE :
6799                                WindowManagerPolicy.USER_ROTATION_LOCKED;
6800    }
6801
6802    // User rotation: to be used when all else fails in assigning an orientation to the device
6803    @Override
6804    public void setUserRotationMode(int mode, int rot) {
6805        ContentResolver res = mContext.getContentResolver();
6806
6807        // mUserRotationMode and mUserRotation will be assigned by the content observer
6808        if (mode == WindowManagerPolicy.USER_ROTATION_LOCKED) {
6809            Settings.System.putIntForUser(res,
6810                    Settings.System.USER_ROTATION,
6811                    rot,
6812                    UserHandle.USER_CURRENT);
6813            Settings.System.putIntForUser(res,
6814                    Settings.System.ACCELEROMETER_ROTATION,
6815                    0,
6816                    UserHandle.USER_CURRENT);
6817        } else {
6818            Settings.System.putIntForUser(res,
6819                    Settings.System.ACCELEROMETER_ROTATION,
6820                    1,
6821                    UserHandle.USER_CURRENT);
6822        }
6823    }
6824
6825    @Override
6826    public void setSafeMode(boolean safeMode) {
6827        mSafeMode = safeMode;
6828        performHapticFeedbackLw(null, safeMode
6829                ? HapticFeedbackConstants.SAFE_MODE_ENABLED
6830                : HapticFeedbackConstants.SAFE_MODE_DISABLED, true);
6831    }
6832
6833    static long[] getLongIntArray(Resources r, int resid) {
6834        int[] ar = r.getIntArray(resid);
6835        if (ar == null) {
6836            return null;
6837        }
6838        long[] out = new long[ar.length];
6839        for (int i=0; i<ar.length; i++) {
6840            out[i] = ar[i];
6841        }
6842        return out;
6843    }
6844
6845    /** {@inheritDoc} */
6846    @Override
6847    public void systemReady() {
6848        mKeyguardDelegate = new KeyguardServiceDelegate(mContext);
6849        mKeyguardDelegate.onSystemReady();
6850
6851        readCameraLensCoverState();
6852        updateUiMode();
6853        boolean bindKeyguardNow;
6854        synchronized (mLock) {
6855            updateOrientationListenerLp();
6856            mSystemReady = true;
6857            mHandler.post(new Runnable() {
6858                @Override
6859                public void run() {
6860                    updateSettings();
6861                }
6862            });
6863
6864            bindKeyguardNow = mDeferBindKeyguard;
6865            if (bindKeyguardNow) {
6866                // systemBooted ran but wasn't able to bind to the Keyguard, we'll do it now.
6867                mDeferBindKeyguard = false;
6868            }
6869        }
6870
6871        if (bindKeyguardNow) {
6872            mKeyguardDelegate.bindService(mContext);
6873            mKeyguardDelegate.onBootCompleted();
6874        }
6875        mSystemGestures.systemReady();
6876        mImmersiveModeConfirmation.systemReady();
6877    }
6878
6879    /** {@inheritDoc} */
6880    @Override
6881    public void systemBooted() {
6882        boolean bindKeyguardNow = false;
6883        synchronized (mLock) {
6884            // Time to bind Keyguard; take care to only bind it once, either here if ready or
6885            // in systemReady if not.
6886            if (mKeyguardDelegate != null) {
6887                bindKeyguardNow = true;
6888            } else {
6889                // Because mKeyguardDelegate is null, we know that the synchronized block in
6890                // systemReady didn't run yet and setting this will actually have an effect.
6891                mDeferBindKeyguard = true;
6892            }
6893        }
6894        if (bindKeyguardNow) {
6895            mKeyguardDelegate.bindService(mContext);
6896            mKeyguardDelegate.onBootCompleted();
6897        }
6898        synchronized (mLock) {
6899            mSystemBooted = true;
6900        }
6901        startedWakingUp();
6902        screenTurningOn(null);
6903        screenTurnedOn();
6904    }
6905
6906    ProgressDialog mBootMsgDialog = null;
6907
6908    /** {@inheritDoc} */
6909    @Override
6910    public void showBootMessage(final CharSequence msg, final boolean always) {
6911        mHandler.post(new Runnable() {
6912            @Override public void run() {
6913                if (mBootMsgDialog == null) {
6914                    int theme;
6915                    if (mContext.getPackageManager().hasSystemFeature(FEATURE_TELEVISION)) {
6916                        theme = com.android.internal.R.style.Theme_Leanback_Dialog_Alert;
6917                    } else {
6918                        theme = 0;
6919                    }
6920
6921                    mBootMsgDialog = new ProgressDialog(mContext, theme) {
6922                        // This dialog will consume all events coming in to
6923                        // it, to avoid it trying to do things too early in boot.
6924                        @Override public boolean dispatchKeyEvent(KeyEvent event) {
6925                            return true;
6926                        }
6927                        @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
6928                            return true;
6929                        }
6930                        @Override public boolean dispatchTouchEvent(MotionEvent ev) {
6931                            return true;
6932                        }
6933                        @Override public boolean dispatchTrackballEvent(MotionEvent ev) {
6934                            return true;
6935                        }
6936                        @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) {
6937                            return true;
6938                        }
6939                        @Override public boolean dispatchPopulateAccessibilityEvent(
6940                                AccessibilityEvent event) {
6941                            return true;
6942                        }
6943                    };
6944                    if (mContext.getPackageManager().isUpgrade()) {
6945                        mBootMsgDialog.setTitle(R.string.android_upgrading_title);
6946                    } else {
6947                        mBootMsgDialog.setTitle(R.string.android_start_title);
6948                    }
6949                    mBootMsgDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
6950                    mBootMsgDialog.setIndeterminate(true);
6951                    mBootMsgDialog.getWindow().setType(
6952                            WindowManager.LayoutParams.TYPE_BOOT_PROGRESS);
6953                    mBootMsgDialog.getWindow().addFlags(
6954                            WindowManager.LayoutParams.FLAG_DIM_BEHIND
6955                            | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
6956                    mBootMsgDialog.getWindow().setDimAmount(1);
6957                    WindowManager.LayoutParams lp = mBootMsgDialog.getWindow().getAttributes();
6958                    lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
6959                    mBootMsgDialog.getWindow().setAttributes(lp);
6960                    mBootMsgDialog.setCancelable(false);
6961                    mBootMsgDialog.show();
6962                }
6963                mBootMsgDialog.setMessage(msg);
6964            }
6965        });
6966    }
6967
6968    /** {@inheritDoc} */
6969    @Override
6970    public void hideBootMessages() {
6971        mHandler.sendEmptyMessage(MSG_HIDE_BOOT_MESSAGE);
6972    }
6973
6974    /** {@inheritDoc} */
6975    @Override
6976    public void userActivity() {
6977        // ***************************************
6978        // NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
6979        // ***************************************
6980        // THIS IS CALLED FROM DEEP IN THE POWER MANAGER
6981        // WITH ITS LOCKS HELD.
6982        //
6983        // This code must be VERY careful about the locks
6984        // it acquires.
6985        // In fact, the current code acquires way too many,
6986        // and probably has lurking deadlocks.
6987
6988        synchronized (mScreenLockTimeout) {
6989            if (mLockScreenTimerActive) {
6990                // reset the timer
6991                mHandler.removeCallbacks(mScreenLockTimeout);
6992                mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
6993            }
6994        }
6995    }
6996
6997    class ScreenLockTimeout implements Runnable {
6998        Bundle options;
6999
7000        @Override
7001        public void run() {
7002            synchronized (this) {
7003                if (localLOGV) Log.v(TAG, "mScreenLockTimeout activating keyguard");
7004                if (mKeyguardDelegate != null) {
7005                    mKeyguardDelegate.doKeyguardTimeout(options);
7006                }
7007                mLockScreenTimerActive = false;
7008                options = null;
7009            }
7010        }
7011
7012        public void setLockOptions(Bundle options) {
7013            this.options = options;
7014        }
7015    }
7016
7017    ScreenLockTimeout mScreenLockTimeout = new ScreenLockTimeout();
7018
7019    @Override
7020    public void lockNow(Bundle options) {
7021        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);
7022        mHandler.removeCallbacks(mScreenLockTimeout);
7023        if (options != null) {
7024            // In case multiple calls are made to lockNow, we don't wipe out the options
7025            // until the runnable actually executes.
7026            mScreenLockTimeout.setLockOptions(options);
7027        }
7028        mHandler.post(mScreenLockTimeout);
7029    }
7030
7031    private void updateLockScreenTimeout() {
7032        synchronized (mScreenLockTimeout) {
7033            boolean enable = (mAllowLockscreenWhenOn && mAwake &&
7034                    mKeyguardDelegate != null && mKeyguardDelegate.isSecure(mCurrentUserId));
7035            if (mLockScreenTimerActive != enable) {
7036                if (enable) {
7037                    if (localLOGV) Log.v(TAG, "setting lockscreen timer");
7038                    mHandler.removeCallbacks(mScreenLockTimeout); // remove any pending requests
7039                    mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
7040                } else {
7041                    if (localLOGV) Log.v(TAG, "clearing lockscreen timer");
7042                    mHandler.removeCallbacks(mScreenLockTimeout);
7043                }
7044                mLockScreenTimerActive = enable;
7045            }
7046        }
7047    }
7048
7049    private void updateDreamingSleepToken(boolean acquire) {
7050        if (acquire) {
7051            if (mDreamingSleepToken == null) {
7052                mDreamingSleepToken = mActivityManagerInternal.acquireSleepToken("Dream");
7053            }
7054        } else {
7055            if (mDreamingSleepToken != null) {
7056                mDreamingSleepToken.release();
7057                mDreamingSleepToken = null;
7058            }
7059        }
7060    }
7061
7062    private void updateScreenOffSleepToken(boolean acquire) {
7063        if (acquire) {
7064            if (mScreenOffSleepToken == null) {
7065                mScreenOffSleepToken = mActivityManagerInternal.acquireSleepToken("ScreenOff");
7066            }
7067        } else {
7068            if (mScreenOffSleepToken != null) {
7069                mScreenOffSleepToken.release();
7070                mScreenOffSleepToken = null;
7071            }
7072        }
7073    }
7074
7075    /** {@inheritDoc} */
7076    @Override
7077    public void enableScreenAfterBoot() {
7078        readLidState();
7079        applyLidSwitchState();
7080        updateRotation(true);
7081    }
7082
7083    private void applyLidSwitchState() {
7084        if (mLidState == LID_CLOSED && mLidControlsSleep) {
7085            mPowerManager.goToSleep(SystemClock.uptimeMillis(),
7086                    PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH,
7087                    PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
7088        } else if (mLidState == LID_CLOSED && mLidControlsScreenLock) {
7089            mWindowManagerFuncs.lockDeviceNow();
7090        }
7091
7092        synchronized (mLock) {
7093            updateWakeGestureListenerLp();
7094        }
7095    }
7096
7097    void updateUiMode() {
7098        if (mUiModeManager == null) {
7099            mUiModeManager = IUiModeManager.Stub.asInterface(
7100                    ServiceManager.getService(Context.UI_MODE_SERVICE));
7101        }
7102        try {
7103            mUiMode = mUiModeManager.getCurrentModeType();
7104        } catch (RemoteException e) {
7105        }
7106    }
7107
7108    void updateRotation(boolean alwaysSendConfiguration) {
7109        try {
7110            //set orientation on WindowManager
7111            mWindowManager.updateRotation(alwaysSendConfiguration, false);
7112        } catch (RemoteException e) {
7113            // Ignore
7114        }
7115    }
7116
7117    void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
7118        try {
7119            //set orientation on WindowManager
7120            mWindowManager.updateRotation(alwaysSendConfiguration, forceRelayout);
7121        } catch (RemoteException e) {
7122            // Ignore
7123        }
7124    }
7125
7126    /**
7127     * Return an Intent to launch the currently active dock app as home.  Returns
7128     * null if the standard home should be launched, which is the case if any of the following is
7129     * true:
7130     * <ul>
7131     *  <li>The device is not in either car mode or desk mode
7132     *  <li>The device is in car mode but mEnableCarDockHomeCapture is false
7133     *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
7134     *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
7135     *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
7136     * </ul>
7137     * @return A dock intent.
7138     */
7139    Intent createHomeDockIntent() {
7140        Intent intent = null;
7141
7142        // What home does is based on the mode, not the dock state.  That
7143        // is, when in car mode you should be taken to car home regardless
7144        // of whether we are actually in a car dock.
7145        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
7146            if (mEnableCarDockHomeCapture) {
7147                intent = mCarDockIntent;
7148            }
7149        } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
7150            if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
7151                intent = mDeskDockIntent;
7152            }
7153        } else if (mUiMode == Configuration.UI_MODE_TYPE_WATCH
7154                && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
7155                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK
7156                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK)) {
7157            // Always launch dock home from home when watch is docked, if it exists.
7158            intent = mDeskDockIntent;
7159        }
7160
7161        if (intent == null) {
7162            return null;
7163        }
7164
7165        ActivityInfo ai = null;
7166        ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(
7167                intent,
7168                PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_META_DATA,
7169                mCurrentUserId);
7170        if (info != null) {
7171            ai = info.activityInfo;
7172        }
7173        if (ai != null
7174                && ai.metaData != null
7175                && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
7176            intent = new Intent(intent);
7177            intent.setClassName(ai.packageName, ai.name);
7178            return intent;
7179        }
7180
7181        return null;
7182    }
7183
7184    void startDockOrHome(boolean fromHomeKey, boolean awakenFromDreams) {
7185        if (awakenFromDreams) {
7186            awakenDreams();
7187        }
7188
7189        Intent dock = createHomeDockIntent();
7190        if (dock != null) {
7191            try {
7192                if (fromHomeKey) {
7193                    dock.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
7194                }
7195                startActivityAsUser(dock, UserHandle.CURRENT);
7196                return;
7197            } catch (ActivityNotFoundException e) {
7198            }
7199        }
7200
7201        Intent intent;
7202
7203        if (fromHomeKey) {
7204            intent = new Intent(mHomeIntent);
7205            intent.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
7206        } else {
7207            intent = mHomeIntent;
7208        }
7209
7210        startActivityAsUser(intent, UserHandle.CURRENT);
7211    }
7212
7213    /**
7214     * goes to the home screen
7215     * @return whether it did anything
7216     */
7217    boolean goHome() {
7218        if (!isUserSetupComplete()) {
7219            Slog.i(TAG, "Not going home because user setup is in progress.");
7220            return false;
7221        }
7222        if (false) {
7223            // This code always brings home to the front.
7224            try {
7225                ActivityManagerNative.getDefault().stopAppSwitches();
7226            } catch (RemoteException e) {
7227            }
7228            sendCloseSystemWindows();
7229            startDockOrHome(false /*fromHomeKey*/, true /* awakenFromDreams */);
7230        } else {
7231            // This code brings home to the front or, if it is already
7232            // at the front, puts the device to sleep.
7233            try {
7234                if (SystemProperties.getInt("persist.sys.uts-test-mode", 0) == 1) {
7235                    /// Roll back EndcallBehavior as the cupcake design to pass P1 lab entry.
7236                    Log.d(TAG, "UTS-TEST-MODE");
7237                } else {
7238                    ActivityManagerNative.getDefault().stopAppSwitches();
7239                    sendCloseSystemWindows();
7240                    Intent dock = createHomeDockIntent();
7241                    if (dock != null) {
7242                        int result = ActivityManagerNative.getDefault()
7243                                .startActivityAsUser(null, null, dock,
7244                                        dock.resolveTypeIfNeeded(mContext.getContentResolver()),
7245                                        null, null, 0,
7246                                        ActivityManager.START_FLAG_ONLY_IF_NEEDED,
7247                                        null, null, UserHandle.USER_CURRENT);
7248                        if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
7249                            return false;
7250                        }
7251                    }
7252                }
7253                int result = ActivityManagerNative.getDefault()
7254                        .startActivityAsUser(null, null, mHomeIntent,
7255                                mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
7256                                null, null, 0,
7257                                ActivityManager.START_FLAG_ONLY_IF_NEEDED,
7258                                null, null, UserHandle.USER_CURRENT);
7259                if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
7260                    return false;
7261                }
7262            } catch (RemoteException ex) {
7263                // bummer, the activity manager, which is in this process, is dead
7264            }
7265        }
7266        return true;
7267    }
7268
7269    @Override
7270    public void setCurrentOrientationLw(int newOrientation) {
7271        synchronized (mLock) {
7272            if (newOrientation != mCurrentAppOrientation) {
7273                mCurrentAppOrientation = newOrientation;
7274                updateOrientationListenerLp();
7275            }
7276        }
7277    }
7278
7279    private void performAuditoryFeedbackForAccessibilityIfNeed() {
7280        if (!isGlobalAccessibilityGestureEnabled()) {
7281            return;
7282        }
7283        AudioManager audioManager = (AudioManager) mContext.getSystemService(
7284                Context.AUDIO_SERVICE);
7285        if (audioManager.isSilentMode()) {
7286            return;
7287        }
7288        Ringtone ringTone = RingtoneManager.getRingtone(mContext,
7289                Settings.System.DEFAULT_NOTIFICATION_URI);
7290        ringTone.setStreamType(AudioManager.STREAM_MUSIC);
7291        ringTone.play();
7292    }
7293
7294    private boolean isTheaterModeEnabled() {
7295        return Settings.Global.getInt(mContext.getContentResolver(),
7296                Settings.Global.THEATER_MODE_ON, 0) == 1;
7297    }
7298
7299    private boolean isGlobalAccessibilityGestureEnabled() {
7300        return Settings.Global.getInt(mContext.getContentResolver(),
7301                Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED, 0) == 1;
7302    }
7303
7304    private boolean areSystemNavigationKeysEnabled() {
7305        return Settings.Secure.getInt(mContext.getContentResolver(),
7306                Settings.Secure.SYSTEM_NAVIGATION_KEYS_ENABLED, 1) == 1;
7307    }
7308
7309    @Override
7310    public boolean performHapticFeedbackLw(WindowState win, int effectId, boolean always) {
7311        if (!mVibrator.hasVibrator()) {
7312            return false;
7313        }
7314        final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(),
7315                Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0;
7316        if (hapticsDisabled && !always) {
7317            return false;
7318        }
7319        long[] pattern = null;
7320        switch (effectId) {
7321            case HapticFeedbackConstants.LONG_PRESS:
7322                pattern = mLongPressVibePattern;
7323                break;
7324            case HapticFeedbackConstants.VIRTUAL_KEY:
7325                pattern = mVirtualKeyVibePattern;
7326                break;
7327            case HapticFeedbackConstants.KEYBOARD_TAP:
7328                pattern = mKeyboardTapVibePattern;
7329                break;
7330            case HapticFeedbackConstants.CLOCK_TICK:
7331                pattern = mClockTickVibePattern;
7332                break;
7333            case HapticFeedbackConstants.CALENDAR_DATE:
7334                pattern = mCalendarDateVibePattern;
7335                break;
7336            case HapticFeedbackConstants.SAFE_MODE_DISABLED:
7337                pattern = mSafeModeDisabledVibePattern;
7338                break;
7339            case HapticFeedbackConstants.SAFE_MODE_ENABLED:
7340                pattern = mSafeModeEnabledVibePattern;
7341                break;
7342            case HapticFeedbackConstants.CONTEXT_CLICK:
7343                pattern = mContextClickVibePattern;
7344                break;
7345            default:
7346                return false;
7347        }
7348        int owningUid;
7349        String owningPackage;
7350        if (win != null) {
7351            owningUid = win.getOwningUid();
7352            owningPackage = win.getOwningPackage();
7353        } else {
7354            owningUid = android.os.Process.myUid();
7355            owningPackage = mContext.getOpPackageName();
7356        }
7357        if (pattern.length == 1) {
7358            // One-shot vibration
7359            mVibrator.vibrate(owningUid, owningPackage, pattern[0], VIBRATION_ATTRIBUTES);
7360        } else {
7361            // Pattern vibration
7362            mVibrator.vibrate(owningUid, owningPackage, pattern, -1, VIBRATION_ATTRIBUTES);
7363        }
7364        return true;
7365    }
7366
7367    @Override
7368    public void keepScreenOnStartedLw() {
7369    }
7370
7371    @Override
7372    public void keepScreenOnStoppedLw() {
7373        if (isKeyguardShowingAndNotOccluded()) {
7374            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
7375        }
7376    }
7377
7378    private int updateSystemUiVisibilityLw() {
7379        // If there is no window focused, there will be nobody to handle the events
7380        // anyway, so just hang on in whatever state we're in until things settle down.
7381        final WindowState win = mFocusedWindow != null ? mFocusedWindow
7382                : mTopFullscreenOpaqueWindowState;
7383        if (win == null) {
7384            return 0;
7385        }
7386        if ((win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 && mHideLockScreen == true) {
7387            // We are updating at a point where the keyguard has gotten
7388            // focus, but we were last in a state where the top window is
7389            // hiding it.  This is probably because the keyguard as been
7390            // shown while the top window was displayed, so we want to ignore
7391            // it here because this is just a very transient change and it
7392            // will quickly lose focus once it correctly gets hidden.
7393            return 0;
7394        }
7395
7396        int tmpVisibility = PolicyControl.getSystemUiVisibility(win, null)
7397                & ~mResettingSystemUiFlags
7398                & ~mForceClearedSystemUiFlags;
7399        if (mForcingShowNavBar && win.getSurfaceLayer() < mForcingShowNavBarLayer) {
7400            tmpVisibility &= ~PolicyControl.adjustClearableFlags(win, View.SYSTEM_UI_CLEARABLE_FLAGS);
7401        }
7402
7403        final int fullscreenVisibility = updateLightStatusBarLw(0 /* vis */,
7404                mTopFullscreenOpaqueWindowState, mTopFullscreenOpaqueOrDimmingWindowState);
7405        final int dockedVisibility = updateLightStatusBarLw(0 /* vis */,
7406                mTopDockedOpaqueWindowState, mTopDockedOpaqueOrDimmingWindowState);
7407        mWindowManagerFuncs.getStackBounds(HOME_STACK_ID, mNonDockedStackBounds);
7408        mWindowManagerFuncs.getStackBounds(DOCKED_STACK_ID, mDockedStackBounds);
7409        final int visibility = updateSystemBarsLw(win, mLastSystemUiFlags, tmpVisibility);
7410        final int diff = visibility ^ mLastSystemUiFlags;
7411        final int fullscreenDiff = fullscreenVisibility ^ mLastFullscreenStackSysUiFlags;
7412        final int dockedDiff = dockedVisibility ^ mLastDockedStackSysUiFlags;
7413        final boolean needsMenu = win.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
7414        if (diff == 0 && fullscreenDiff == 0 && dockedDiff == 0 && mLastFocusNeedsMenu == needsMenu
7415                && mFocusedApp == win.getAppToken()
7416                && mLastNonDockedStackBounds.equals(mNonDockedStackBounds)
7417                && mLastDockedStackBounds.equals(mDockedStackBounds)) {
7418            return 0;
7419        }
7420        mLastSystemUiFlags = visibility;
7421        mLastFullscreenStackSysUiFlags = fullscreenVisibility;
7422        mLastDockedStackSysUiFlags = dockedVisibility;
7423        mLastFocusNeedsMenu = needsMenu;
7424        mFocusedApp = win.getAppToken();
7425        final Rect fullscreenStackBounds = new Rect(mNonDockedStackBounds);
7426        final Rect dockedStackBounds = new Rect(mDockedStackBounds);
7427        mHandler.post(new Runnable() {
7428                @Override
7429                public void run() {
7430                    StatusBarManagerInternal statusbar = getStatusBarManagerInternal();
7431                    if (statusbar != null) {
7432                        statusbar.setSystemUiVisibility(visibility, fullscreenVisibility,
7433                                dockedVisibility, 0xffffffff, fullscreenStackBounds,
7434                                dockedStackBounds, win.toString());
7435                        statusbar.topAppWindowChanged(needsMenu);
7436                    }
7437                }
7438            });
7439        return diff;
7440    }
7441
7442    private int updateLightStatusBarLw(int vis, WindowState opaque, WindowState opaqueOrDimming) {
7443        WindowState statusColorWin = isStatusBarKeyguard() && !mHideLockScreen
7444                ? mStatusBar
7445                : opaqueOrDimming;
7446
7447        if (statusColorWin != null) {
7448            if (statusColorWin == opaque) {
7449                // If the top fullscreen-or-dimming window is also the top fullscreen, respect
7450                // its light flag.
7451                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7452                vis |= PolicyControl.getSystemUiVisibility(statusColorWin, null)
7453                        & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7454            } else if (statusColorWin != null && statusColorWin.isDimming()) {
7455                // Otherwise if it's dimming, clear the light flag.
7456                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7457            }
7458        }
7459        return vis;
7460    }
7461
7462    private boolean drawsSystemBarBackground(WindowState win) {
7463        return win == null || (win.getAttrs().flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0;
7464    }
7465
7466    private boolean forcesDrawStatusBarBackground(WindowState win) {
7467        return win == null || (win.getAttrs().privateFlags
7468                & PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND) != 0;
7469    }
7470
7471    private int updateSystemBarsLw(WindowState win, int oldVis, int vis) {
7472        final boolean dockedStackVisible = mWindowManagerInternal.isStackVisible(DOCKED_STACK_ID);
7473        final boolean freeformStackVisible =
7474                mWindowManagerInternal.isStackVisible(FREEFORM_WORKSPACE_STACK_ID);
7475        final boolean resizing = mWindowManagerInternal.isDockedDividerResizing();
7476
7477        // We need to force system bars when the docked stack is visible, when the freeform stack
7478        // is visible but also when we are resizing for the transitions when docked stack
7479        // visibility changes.
7480        mForceShowSystemBars = dockedStackVisible || freeformStackVisible || resizing;
7481        final boolean forceOpaqueStatusBar = mForceShowSystemBars && !mForceStatusBarFromKeyguard;
7482
7483        // apply translucent bar vis flags
7484        WindowState fullscreenTransWin = isStatusBarKeyguard() && !mHideLockScreen
7485                ? mStatusBar
7486                : mTopFullscreenOpaqueWindowState;
7487        vis = mStatusBarController.applyTranslucentFlagLw(fullscreenTransWin, vis, oldVis);
7488        vis = mNavigationBarController.applyTranslucentFlagLw(fullscreenTransWin, vis, oldVis);
7489        final int dockedVis = mStatusBarController.applyTranslucentFlagLw(
7490                mTopDockedOpaqueWindowState, 0, 0);
7491
7492        final boolean fullscreenDrawsStatusBarBackground =
7493                (drawsSystemBarBackground(mTopFullscreenOpaqueWindowState)
7494                        && (vis & View.STATUS_BAR_TRANSLUCENT) == 0)
7495                || forcesDrawStatusBarBackground(mTopFullscreenOpaqueWindowState);
7496        final boolean dockedDrawsStatusBarBackground =
7497                (drawsSystemBarBackground(mTopDockedOpaqueWindowState)
7498                        && (dockedVis & View.STATUS_BAR_TRANSLUCENT) == 0)
7499                || forcesDrawStatusBarBackground(mTopDockedOpaqueWindowState);
7500
7501        // prevent status bar interaction from clearing certain flags
7502        int type = win.getAttrs().type;
7503        boolean statusBarHasFocus = type == TYPE_STATUS_BAR;
7504        if (statusBarHasFocus && !isStatusBarKeyguard()) {
7505            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
7506                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
7507                    | View.SYSTEM_UI_FLAG_IMMERSIVE
7508                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
7509                    | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
7510            if (mHideLockScreen) {
7511                flags |= View.STATUS_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSLUCENT;
7512            }
7513            vis = (vis & ~flags) | (oldVis & flags);
7514        }
7515
7516        if (fullscreenDrawsStatusBarBackground && dockedDrawsStatusBarBackground) {
7517            vis |= View.STATUS_BAR_TRANSPARENT;
7518            vis &= ~View.STATUS_BAR_TRANSLUCENT;
7519        } else if ((!areTranslucentBarsAllowed() && fullscreenTransWin != mStatusBar)
7520                || forceOpaqueStatusBar) {
7521            vis &= ~(View.STATUS_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSPARENT);
7522        }
7523
7524        vis = configureNavBarOpacity(vis, dockedStackVisible, freeformStackVisible, resizing);
7525
7526        // update status bar
7527        boolean immersiveSticky =
7528                (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
7529        final boolean hideStatusBarWM =
7530                mTopFullscreenOpaqueWindowState != null
7531                && (PolicyControl.getWindowFlags(mTopFullscreenOpaqueWindowState, null)
7532                        & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0;
7533        final boolean hideStatusBarSysui =
7534                (vis & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
7535        final boolean hideNavBarSysui =
7536                (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0;
7537
7538        final boolean transientStatusBarAllowed = mStatusBar != null
7539                && (statusBarHasFocus || (!mForceShowSystemBars
7540                        && (hideStatusBarWM || (hideStatusBarSysui && immersiveSticky))));
7541
7542        final boolean transientNavBarAllowed = mNavigationBar != null
7543                && !mForceShowSystemBars && hideNavBarSysui && immersiveSticky;
7544
7545        final long now = SystemClock.uptimeMillis();
7546        final boolean pendingPanic = mPendingPanicGestureUptime != 0
7547                && now - mPendingPanicGestureUptime <= PANIC_GESTURE_EXPIRATION;
7548        if (pendingPanic && hideNavBarSysui && !isStatusBarKeyguard() && mKeyguardDrawComplete) {
7549            // The user performed the panic gesture recently, we're about to hide the bars,
7550            // we're no longer on the Keyguard and the screen is ready. We can now request the bars.
7551            mPendingPanicGestureUptime = 0;
7552            mStatusBarController.showTransient();
7553            mNavigationBarController.showTransient();
7554        }
7555
7556        final boolean denyTransientStatus = mStatusBarController.isTransientShowRequested()
7557                && !transientStatusBarAllowed && hideStatusBarSysui;
7558        final boolean denyTransientNav = mNavigationBarController.isTransientShowRequested()
7559                && !transientNavBarAllowed;
7560        if (denyTransientStatus || denyTransientNav || mForceShowSystemBars) {
7561            // clear the clearable flags instead
7562            clearClearableFlagsLw();
7563            vis &= ~View.SYSTEM_UI_CLEARABLE_FLAGS;
7564        }
7565
7566        final boolean immersive = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
7567        immersiveSticky = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
7568        final boolean navAllowedHidden = immersive || immersiveSticky;
7569
7570        if (hideNavBarSysui && !navAllowedHidden && windowTypeToLayerLw(win.getBaseType())
7571                > windowTypeToLayerLw(TYPE_INPUT_CONSUMER)) {
7572            // We can't hide the navbar from this window otherwise the input consumer would not get
7573            // the input events.
7574            vis = (vis & ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
7575        }
7576
7577        vis = mStatusBarController.updateVisibilityLw(transientStatusBarAllowed, oldVis, vis);
7578
7579        // update navigation bar
7580        boolean oldImmersiveMode = isImmersiveMode(oldVis);
7581        boolean newImmersiveMode = isImmersiveMode(vis);
7582        if (win != null && oldImmersiveMode != newImmersiveMode) {
7583            final String pkg = win.getOwningPackage();
7584            mImmersiveModeConfirmation.immersiveModeChangedLw(pkg, newImmersiveMode,
7585                    isUserSetupComplete(), isNavBarEmpty(win.getSystemUiVisibility()));
7586        }
7587
7588        vis = mNavigationBarController.updateVisibilityLw(transientNavBarAllowed, oldVis, vis);
7589
7590        return vis;
7591    }
7592
7593    /**
7594     * @return the current visibility flags with the nav-bar opacity related flags toggled based
7595     *         on the nav bar opacity rules chosen by {@link #mNavBarOpacityMode}.
7596     */
7597    private int configureNavBarOpacity(int visibility, boolean dockedStackVisible,
7598            boolean freeformStackVisible, boolean isDockedDividerResizing) {
7599        if (mNavBarOpacityMode == NAV_BAR_OPAQUE_WHEN_FREEFORM_OR_DOCKED) {
7600            if (dockedStackVisible || freeformStackVisible || isDockedDividerResizing) {
7601                visibility = setNavBarOpaqueFlag(visibility);
7602            }
7603        } else if (mNavBarOpacityMode == NAV_BAR_TRANSLUCENT_WHEN_FREEFORM_OPAQUE_OTHERWISE) {
7604            if (isDockedDividerResizing) {
7605                visibility = setNavBarOpaqueFlag(visibility);
7606            } else if (freeformStackVisible) {
7607                visibility = setNavBarTranslucentFlag(visibility);
7608            } else {
7609                visibility = setNavBarOpaqueFlag(visibility);
7610            }
7611        }
7612
7613        if (!areTranslucentBarsAllowed()) {
7614            visibility &= ~View.NAVIGATION_BAR_TRANSLUCENT;
7615        }
7616        return visibility;
7617    }
7618
7619    private int setNavBarOpaqueFlag(int visibility) {
7620        return visibility &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT);
7621    }
7622
7623    private int setNavBarTranslucentFlag(int visibility) {
7624        visibility &= ~View.NAVIGATION_BAR_TRANSPARENT;
7625        return visibility |= View.NAVIGATION_BAR_TRANSLUCENT;
7626    }
7627
7628    private void clearClearableFlagsLw() {
7629        int newVal = mResettingSystemUiFlags | View.SYSTEM_UI_CLEARABLE_FLAGS;
7630        if (newVal != mResettingSystemUiFlags) {
7631            mResettingSystemUiFlags = newVal;
7632            mWindowManagerFuncs.reevaluateStatusBarVisibility();
7633        }
7634    }
7635
7636    private boolean isImmersiveMode(int vis) {
7637        final int flags = View.SYSTEM_UI_FLAG_IMMERSIVE | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
7638        return mNavigationBar != null
7639                && (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
7640                && (vis & flags) != 0
7641                && canHideNavigationBar();
7642    }
7643
7644    private static boolean isNavBarEmpty(int systemUiFlags) {
7645        final int disableNavigationBar = (View.STATUS_BAR_DISABLE_HOME
7646                | View.STATUS_BAR_DISABLE_BACK
7647                | View.STATUS_BAR_DISABLE_RECENT);
7648
7649        return (systemUiFlags & disableNavigationBar) == disableNavigationBar;
7650    }
7651
7652    /**
7653     * @return whether the navigation or status bar can be made translucent
7654     *
7655     * This should return true unless touch exploration is not enabled or
7656     * R.boolean.config_enableTranslucentDecor is false.
7657     */
7658    private boolean areTranslucentBarsAllowed() {
7659        return mTranslucentDecorEnabled;
7660    }
7661
7662    // Use this instead of checking config_showNavigationBar so that it can be consistently
7663    // overridden by qemu.hw.mainkeys in the emulator.
7664    @Override
7665    public boolean hasNavigationBar() {
7666        return mHasNavigationBar;
7667    }
7668
7669    @Override
7670    public void setLastInputMethodWindowLw(WindowState ime, WindowState target) {
7671        mLastInputMethodWindow = ime;
7672        mLastInputMethodTargetWindow = target;
7673    }
7674
7675    @Override
7676    public int getInputMethodWindowVisibleHeightLw() {
7677        return mDockBottom - mCurBottom;
7678    }
7679
7680    @Override
7681    public void setCurrentUserLw(int newUserId) {
7682        mCurrentUserId = newUserId;
7683        if (mKeyguardDelegate != null) {
7684            mKeyguardDelegate.setCurrentUser(newUserId);
7685        }
7686        StatusBarManagerInternal statusBar = getStatusBarManagerInternal();
7687        if (statusBar != null) {
7688            statusBar.setCurrentUser(newUserId);
7689        }
7690        setLastInputMethodWindowLw(null, null);
7691    }
7692
7693    @Override
7694    public boolean canMagnifyWindow(int windowType) {
7695        switch (windowType) {
7696            case WindowManager.LayoutParams.TYPE_INPUT_METHOD:
7697            case WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG:
7698            case WindowManager.LayoutParams.TYPE_NAVIGATION_BAR:
7699            case WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY: {
7700                return false;
7701            }
7702        }
7703        return true;
7704    }
7705
7706    @Override
7707    public boolean isTopLevelWindow(int windowType) {
7708        if (windowType >= WindowManager.LayoutParams.FIRST_SUB_WINDOW
7709                && windowType <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
7710            return (windowType == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG);
7711        }
7712        return true;
7713    }
7714
7715    @Override
7716    public boolean shouldRotateSeamlessly(int oldRotation, int newRotation) {
7717        // For the upside down rotation we don't rotate seamlessly as the navigation
7718        // bar moves position.
7719        // Note most apps (using orientation:sensor or user as opposed to fullSensor)
7720        // will not enter the reverse portrait orientation, so actually the
7721        // orientation won't change at all.
7722        if (oldRotation == mUpsideDownRotation || newRotation == mUpsideDownRotation) {
7723            return false;
7724        }
7725        int delta = newRotation - oldRotation;
7726        if (delta < 0) delta += 4;
7727        // Likewise we don't rotate seamlessly for 180 degree rotations
7728        // in this case the surfaces never resize, and our logic to
7729        // revert the transformations on size change will fail. We could
7730        // fix this in the future with the "tagged" frames idea.
7731        if (delta == Surface.ROTATION_180) {
7732            return false;
7733        }
7734
7735        // We only enable seamless rotation if the top window has requested
7736        // it and is in the fullscreen opaque state. Seamless rotation
7737        // requires freezing various Surface states and won't work well
7738        // with animations, so we disable it in the animation case for now.
7739        if (mTopFullscreenOpaqueWindowState != null && mTopIsFullscreen &&
7740                !mTopFullscreenOpaqueWindowState.isAnimatingLw() &&
7741                mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation ==
7742                ROTATION_ANIMATION_JUMPCUT) {
7743            return true;
7744        }
7745        return false;
7746    }
7747
7748    @Override
7749    public void dump(String prefix, PrintWriter pw, String[] args) {
7750        pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
7751                pw.print(" mSystemReady="); pw.print(mSystemReady);
7752                pw.print(" mSystemBooted="); pw.println(mSystemBooted);
7753        pw.print(prefix); pw.print("mLidState="); pw.print(mLidState);
7754                pw.print(" mLidOpenRotation="); pw.print(mLidOpenRotation);
7755                pw.print(" mCameraLensCoverState="); pw.print(mCameraLensCoverState);
7756                pw.print(" mHdmiPlugged="); pw.println(mHdmiPlugged);
7757        if (mLastSystemUiFlags != 0 || mResettingSystemUiFlags != 0
7758                || mForceClearedSystemUiFlags != 0) {
7759            pw.print(prefix); pw.print("mLastSystemUiFlags=0x");
7760                    pw.print(Integer.toHexString(mLastSystemUiFlags));
7761                    pw.print(" mResettingSystemUiFlags=0x");
7762                    pw.print(Integer.toHexString(mResettingSystemUiFlags));
7763                    pw.print(" mForceClearedSystemUiFlags=0x");
7764                    pw.println(Integer.toHexString(mForceClearedSystemUiFlags));
7765        }
7766        if (mLastFocusNeedsMenu) {
7767            pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
7768                    pw.println(mLastFocusNeedsMenu);
7769        }
7770        pw.print(prefix); pw.print("mWakeGestureEnabledSetting=");
7771                pw.println(mWakeGestureEnabledSetting);
7772
7773        pw.print(prefix); pw.print("mSupportAutoRotation="); pw.println(mSupportAutoRotation);
7774        pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
7775                pw.print(" mDockMode="); pw.print(mDockMode);
7776                pw.print(" mEnableCarDockHomeCapture="); pw.print(mEnableCarDockHomeCapture);
7777                pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
7778                pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
7779        pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);
7780                pw.print(" mUserRotation="); pw.print(mUserRotation);
7781                pw.print(" mAllowAllRotations="); pw.println(mAllowAllRotations);
7782        pw.print(prefix); pw.print("mCurrentAppOrientation="); pw.println(mCurrentAppOrientation);
7783        pw.print(prefix); pw.print("mCarDockEnablesAccelerometer=");
7784                pw.print(mCarDockEnablesAccelerometer);
7785                pw.print(" mDeskDockEnablesAccelerometer=");
7786                pw.println(mDeskDockEnablesAccelerometer);
7787        pw.print(prefix); pw.print("mLidKeyboardAccessibility=");
7788                pw.print(mLidKeyboardAccessibility);
7789                pw.print(" mLidNavigationAccessibility="); pw.print(mLidNavigationAccessibility);
7790                pw.print(" mLidControlsScreenLock="); pw.println(mLidControlsScreenLock);
7791                pw.print(" mLidControlsSleep="); pw.println(mLidControlsSleep);
7792        pw.print(prefix);
7793                pw.print(" mLongPressOnBackBehavior="); pw.println(mLongPressOnBackBehavior);
7794        pw.print(prefix);
7795                pw.print("mShortPressOnPowerBehavior="); pw.print(mShortPressOnPowerBehavior);
7796                pw.print(" mLongPressOnPowerBehavior="); pw.println(mLongPressOnPowerBehavior);
7797        pw.print(prefix);
7798                pw.print("mDoublePressOnPowerBehavior="); pw.print(mDoublePressOnPowerBehavior);
7799                pw.print(" mTriplePressOnPowerBehavior="); pw.println(mTriplePressOnPowerBehavior);
7800        pw.print(prefix); pw.print("mHasSoftInput="); pw.println(mHasSoftInput);
7801        pw.print(prefix); pw.print("mAwake="); pw.println(mAwake);
7802        pw.print(prefix); pw.print("mScreenOnEarly="); pw.print(mScreenOnEarly);
7803                pw.print(" mScreenOnFully="); pw.println(mScreenOnFully);
7804        pw.print(prefix); pw.print("mKeyguardDrawComplete="); pw.print(mKeyguardDrawComplete);
7805                pw.print(" mWindowManagerDrawComplete="); pw.println(mWindowManagerDrawComplete);
7806        pw.print(prefix); pw.print("mOrientationSensorEnabled=");
7807                pw.println(mOrientationSensorEnabled);
7808        pw.print(prefix); pw.print("mOverscanScreen=("); pw.print(mOverscanScreenLeft);
7809                pw.print(","); pw.print(mOverscanScreenTop);
7810                pw.print(") "); pw.print(mOverscanScreenWidth);
7811                pw.print("x"); pw.println(mOverscanScreenHeight);
7812        if (mOverscanLeft != 0 || mOverscanTop != 0
7813                || mOverscanRight != 0 || mOverscanBottom != 0) {
7814            pw.print(prefix); pw.print("mOverscan left="); pw.print(mOverscanLeft);
7815                    pw.print(" top="); pw.print(mOverscanTop);
7816                    pw.print(" right="); pw.print(mOverscanRight);
7817                    pw.print(" bottom="); pw.println(mOverscanBottom);
7818        }
7819        pw.print(prefix); pw.print("mRestrictedOverscanScreen=(");
7820                pw.print(mRestrictedOverscanScreenLeft);
7821                pw.print(","); pw.print(mRestrictedOverscanScreenTop);
7822                pw.print(") "); pw.print(mRestrictedOverscanScreenWidth);
7823                pw.print("x"); pw.println(mRestrictedOverscanScreenHeight);
7824        pw.print(prefix); pw.print("mUnrestrictedScreen=("); pw.print(mUnrestrictedScreenLeft);
7825                pw.print(","); pw.print(mUnrestrictedScreenTop);
7826                pw.print(") "); pw.print(mUnrestrictedScreenWidth);
7827                pw.print("x"); pw.println(mUnrestrictedScreenHeight);
7828        pw.print(prefix); pw.print("mRestrictedScreen=("); pw.print(mRestrictedScreenLeft);
7829                pw.print(","); pw.print(mRestrictedScreenTop);
7830                pw.print(") "); pw.print(mRestrictedScreenWidth);
7831                pw.print("x"); pw.println(mRestrictedScreenHeight);
7832        pw.print(prefix); pw.print("mStableFullscreen=("); pw.print(mStableFullscreenLeft);
7833                pw.print(","); pw.print(mStableFullscreenTop);
7834                pw.print(")-("); pw.print(mStableFullscreenRight);
7835                pw.print(","); pw.print(mStableFullscreenBottom); pw.println(")");
7836        pw.print(prefix); pw.print("mStable=("); pw.print(mStableLeft);
7837                pw.print(","); pw.print(mStableTop);
7838                pw.print(")-("); pw.print(mStableRight);
7839                pw.print(","); pw.print(mStableBottom); pw.println(")");
7840        pw.print(prefix); pw.print("mSystem=("); pw.print(mSystemLeft);
7841                pw.print(","); pw.print(mSystemTop);
7842                pw.print(")-("); pw.print(mSystemRight);
7843                pw.print(","); pw.print(mSystemBottom); pw.println(")");
7844        pw.print(prefix); pw.print("mCur=("); pw.print(mCurLeft);
7845                pw.print(","); pw.print(mCurTop);
7846                pw.print(")-("); pw.print(mCurRight);
7847                pw.print(","); pw.print(mCurBottom); pw.println(")");
7848        pw.print(prefix); pw.print("mContent=("); pw.print(mContentLeft);
7849                pw.print(","); pw.print(mContentTop);
7850                pw.print(")-("); pw.print(mContentRight);
7851                pw.print(","); pw.print(mContentBottom); pw.println(")");
7852        pw.print(prefix); pw.print("mVoiceContent=("); pw.print(mVoiceContentLeft);
7853                pw.print(","); pw.print(mVoiceContentTop);
7854                pw.print(")-("); pw.print(mVoiceContentRight);
7855                pw.print(","); pw.print(mVoiceContentBottom); pw.println(")");
7856        pw.print(prefix); pw.print("mDock=("); pw.print(mDockLeft);
7857                pw.print(","); pw.print(mDockTop);
7858                pw.print(")-("); pw.print(mDockRight);
7859                pw.print(","); pw.print(mDockBottom); pw.println(")");
7860        pw.print(prefix); pw.print("mDockLayer="); pw.print(mDockLayer);
7861                pw.print(" mStatusBarLayer="); pw.println(mStatusBarLayer);
7862        pw.print(prefix); pw.print("mShowingLockscreen="); pw.print(mShowingLockscreen);
7863                pw.print(" mShowingDream="); pw.print(mShowingDream);
7864                pw.print(" mDreamingLockscreen="); pw.print(mDreamingLockscreen);
7865                pw.print(" mDreamingSleepToken="); pw.println(mDreamingSleepToken);
7866        if (mLastInputMethodWindow != null) {
7867            pw.print(prefix); pw.print("mLastInputMethodWindow=");
7868                    pw.println(mLastInputMethodWindow);
7869        }
7870        if (mLastInputMethodTargetWindow != null) {
7871            pw.print(prefix); pw.print("mLastInputMethodTargetWindow=");
7872                    pw.println(mLastInputMethodTargetWindow);
7873        }
7874        if (mStatusBar != null) {
7875            pw.print(prefix); pw.print("mStatusBar=");
7876                    pw.print(mStatusBar); pw.print(" isStatusBarKeyguard=");
7877                    pw.println(isStatusBarKeyguard());
7878        }
7879        if (mNavigationBar != null) {
7880            pw.print(prefix); pw.print("mNavigationBar=");
7881                    pw.println(mNavigationBar);
7882        }
7883        if (mFocusedWindow != null) {
7884            pw.print(prefix); pw.print("mFocusedWindow=");
7885                    pw.println(mFocusedWindow);
7886        }
7887        if (mFocusedApp != null) {
7888            pw.print(prefix); pw.print("mFocusedApp=");
7889                    pw.println(mFocusedApp);
7890        }
7891        if (mWinDismissingKeyguard != null) {
7892            pw.print(prefix); pw.print("mWinDismissingKeyguard=");
7893                    pw.println(mWinDismissingKeyguard);
7894        }
7895        if (mTopFullscreenOpaqueWindowState != null) {
7896            pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
7897                    pw.println(mTopFullscreenOpaqueWindowState);
7898        }
7899        if (mTopFullscreenOpaqueOrDimmingWindowState != null) {
7900            pw.print(prefix); pw.print("mTopFullscreenOpaqueOrDimmingWindowState=");
7901                    pw.println(mTopFullscreenOpaqueOrDimmingWindowState);
7902        }
7903        if (mForcingShowNavBar) {
7904            pw.print(prefix); pw.print("mForcingShowNavBar=");
7905                    pw.println(mForcingShowNavBar); pw.print( "mForcingShowNavBarLayer=");
7906                    pw.println(mForcingShowNavBarLayer);
7907        }
7908        pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
7909                pw.print(" mHideLockScreen="); pw.println(mHideLockScreen);
7910        pw.print(prefix); pw.print("mForceStatusBar="); pw.print(mForceStatusBar);
7911                pw.print(" mForceStatusBarFromKeyguard=");
7912                pw.println(mForceStatusBarFromKeyguard);
7913        pw.print(prefix); pw.print("mDismissKeyguard="); pw.print(mDismissKeyguard);
7914                pw.print(" mWinDismissingKeyguard="); pw.print(mWinDismissingKeyguard);
7915                pw.print(" mHomePressed="); pw.println(mHomePressed);
7916        pw.print(prefix); pw.print("mAllowLockscreenWhenOn="); pw.print(mAllowLockscreenWhenOn);
7917                pw.print(" mLockScreenTimeout="); pw.print(mLockScreenTimeout);
7918                pw.print(" mLockScreenTimerActive="); pw.println(mLockScreenTimerActive);
7919        pw.print(prefix); pw.print("mEndcallBehavior="); pw.print(mEndcallBehavior);
7920                pw.print(" mIncallPowerBehavior="); pw.print(mIncallPowerBehavior);
7921                pw.print(" mLongPressOnHomeBehavior="); pw.println(mLongPressOnHomeBehavior);
7922        pw.print(prefix); pw.print("mLandscapeRotation="); pw.print(mLandscapeRotation);
7923                pw.print(" mSeascapeRotation="); pw.println(mSeascapeRotation);
7924        pw.print(prefix); pw.print("mPortraitRotation="); pw.print(mPortraitRotation);
7925                pw.print(" mUpsideDownRotation="); pw.println(mUpsideDownRotation);
7926        pw.print(prefix); pw.print("mDemoHdmiRotation="); pw.print(mDemoHdmiRotation);
7927                pw.print(" mDemoHdmiRotationLock="); pw.println(mDemoHdmiRotationLock);
7928        pw.print(prefix); pw.print("mUndockedHdmiRotation="); pw.println(mUndockedHdmiRotation);
7929
7930        mGlobalKeyManager.dump(prefix, pw);
7931        mStatusBarController.dump(pw, prefix);
7932        mNavigationBarController.dump(pw, prefix);
7933        PolicyControl.dump(prefix, pw);
7934
7935        if (mWakeGestureListener != null) {
7936            mWakeGestureListener.dump(pw, prefix);
7937        }
7938        if (mOrientationListener != null) {
7939            mOrientationListener.dump(pw, prefix);
7940        }
7941        if (mBurnInProtectionHelper != null) {
7942            mBurnInProtectionHelper.dump(prefix, pw);
7943        }
7944        if (mKeyguardDelegate != null) {
7945            mKeyguardDelegate.dump(prefix, pw);
7946        }
7947    }
7948}
7949