PhoneWindowManager.java revision 69b0818179201fadc9d2a384d692d8ae4aecd85c 
1/*
2 *
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *      http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16package com.android.internal.policy.impl;
17
18import android.app.ActivityManager;
19import android.app.ActivityManagerNative;
20import android.app.IUiModeManager;
21import android.app.ProgressDialog;
22import android.app.SearchManager;
23import android.app.UiModeManager;
24import android.content.ActivityNotFoundException;
25import android.content.BroadcastReceiver;
26import android.content.ComponentName;
27import android.content.ContentResolver;
28import android.content.Context;
29import android.content.Intent;
30import android.content.IntentFilter;
31import android.content.ServiceConnection;
32import android.content.pm.ActivityInfo;
33import android.content.pm.PackageManager;
34import android.content.res.CompatibilityInfo;
35import android.content.res.Configuration;
36import android.content.res.Resources;
37import android.content.res.TypedArray;
38import android.database.ContentObserver;
39import android.graphics.PixelFormat;
40import android.graphics.Rect;
41import android.media.AudioManager;
42import android.media.IAudioService;
43import android.os.Bundle;
44import android.os.FactoryTest;
45import android.os.Handler;
46import android.os.IBinder;
47import android.os.IRemoteCallback;
48import android.os.Looper;
49import android.os.Message;
50import android.os.Messenger;
51import android.os.PowerManager;
52import android.os.RemoteException;
53import android.os.ServiceManager;
54import android.os.SystemClock;
55import android.os.SystemProperties;
56import android.os.UEventObserver;
57import android.os.UserHandle;
58import android.os.Vibrator;
59import android.provider.Settings;
60
61import com.android.internal.R;
62import com.android.internal.policy.PolicyManager;
63import com.android.internal.policy.impl.keyguard.KeyguardViewManager;
64import com.android.internal.policy.impl.keyguard.KeyguardViewMediator;
65import com.android.internal.statusbar.IStatusBarService;
66import com.android.internal.telephony.ITelephony;
67import com.android.internal.widget.PointerLocationView;
68
69import android.util.DisplayMetrics;
70import android.util.EventLog;
71import android.util.Log;
72import android.util.Slog;
73import android.util.SparseArray;
74import android.view.Display;
75import android.view.Gravity;
76import android.view.HapticFeedbackConstants;
77import android.view.IApplicationToken;
78import android.view.IWindowManager;
79import android.view.InputChannel;
80import android.view.InputDevice;
81import android.view.InputEvent;
82import android.view.InputEventReceiver;
83import android.view.KeyCharacterMap;
84import android.view.KeyEvent;
85import android.view.MotionEvent;
86import android.view.WindowManagerGlobal;
87import android.view.WindowOrientationListener;
88import android.view.Surface;
89import android.view.View;
90import android.view.ViewConfiguration;
91import android.view.Window;
92import android.view.WindowManager;
93import static android.view.WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW;
94import static android.view.WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN;
95import static android.view.WindowManager.LayoutParams.FLAG_FULLSCREEN;
96import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
97import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR;
98import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS;
99import static android.view.WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED;
100import static android.view.WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD;
101import static android.view.WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON;
102import static android.view.WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST;
103import static android.view.WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE;
104import static android.view.WindowManager.LayoutParams.SOFT_INPUT_ADJUST_NOTHING;
105import static android.view.WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
106import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_MEDIA;
107import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_MEDIA_OVERLAY;
108import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_PANEL;
109import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_SUB_PANEL;
110import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG;
111import static android.view.WindowManager.LayoutParams.TYPE_DISPLAY_OVERLAY;
112import static android.view.WindowManager.LayoutParams.TYPE_DRAG;
113import static android.view.WindowManager.LayoutParams.TYPE_DREAM;
114import static android.view.WindowManager.LayoutParams.TYPE_HIDDEN_NAV_CONSUMER;
115import static android.view.WindowManager.LayoutParams.TYPE_KEYGUARD;
116import static android.view.WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG;
117import static android.view.WindowManager.LayoutParams.TYPE_PHONE;
118import static android.view.WindowManager.LayoutParams.TYPE_PRIORITY_PHONE;
119import static android.view.WindowManager.LayoutParams.TYPE_SEARCH_BAR;
120import static android.view.WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
121import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR;
122import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR_PANEL;
123import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR_SUB_PANEL;
124import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG;
125import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_ALERT;
126import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_ERROR;
127import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD;
128import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG;
129import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_OVERLAY;
130import static android.view.WindowManager.LayoutParams.TYPE_TOAST;
131import static android.view.WindowManager.LayoutParams.TYPE_UNIVERSE_BACKGROUND;
132import static android.view.WindowManager.LayoutParams.TYPE_VOLUME_OVERLAY;
133import static android.view.WindowManager.LayoutParams.TYPE_WALLPAPER;
134import static android.view.WindowManager.LayoutParams.TYPE_POINTER;
135import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR;
136import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL;
137import static android.view.WindowManager.LayoutParams.TYPE_BOOT_PROGRESS;
138import android.view.WindowManagerPolicy;
139import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_ABSENT;
140import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_OPEN;
141import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_CLOSED;
142import android.view.KeyCharacterMap.FallbackAction;
143import android.view.accessibility.AccessibilityEvent;
144import android.view.animation.Animation;
145import android.view.animation.AnimationUtils;
146
147import java.io.File;
148import java.io.FileReader;
149import java.io.IOException;
150import java.io.PrintWriter;
151
152/**
153 * WindowManagerPolicy implementation for the Android phone UI.  This
154 * introduces a new method suffix, Lp, for an internal lock of the
155 * PhoneWindowManager.  This is used to protect some internal state, and
156 * can be acquired with either thw Lw and Li lock held, so has the restrictions
157 * of both of those when held.
158 */
159public class PhoneWindowManager implements WindowManagerPolicy {
160    static final String TAG = "WindowManager";
161    static final boolean DEBUG = false;
162    static final boolean localLOGV = false;
163    static final boolean DEBUG_LAYOUT = false;
164    static final boolean DEBUG_INPUT = false;
165    static final boolean DEBUG_STARTING_WINDOW = false;
166    static final boolean SHOW_STARTING_ANIMATIONS = true;
167    static final boolean SHOW_PROCESSES_ON_ALT_MENU = false;
168
169    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
170    // No longer recommended for desk docks; still useful in car docks.
171    static final boolean ENABLE_CAR_DOCK_HOME_CAPTURE = true;
172    static final boolean ENABLE_DESK_DOCK_HOME_CAPTURE = false;
173
174    static final int LONG_PRESS_POWER_NOTHING = 0;
175    static final int LONG_PRESS_POWER_GLOBAL_ACTIONS = 1;
176    static final int LONG_PRESS_POWER_SHUT_OFF = 2;
177    static final int LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM = 3;
178
179    // These need to match the documentation/constant in
180    // core/res/res/values/config.xml
181    static final int LONG_PRESS_HOME_NOTHING = 0;
182    static final int LONG_PRESS_HOME_RECENT_DIALOG = 1;
183    static final int LONG_PRESS_HOME_RECENT_SYSTEM_UI = 2;
184
185    // wallpaper is at the bottom, though the window manager may move it.
186    static final int UNIVERSE_BACKGROUND_LAYER = 1;
187    static final int WALLPAPER_LAYER = 2;
188    static final int APPLICATION_LAYER = 2;
189    static final int PHONE_LAYER = 3;
190    static final int SEARCH_BAR_LAYER = 4;
191    static final int SYSTEM_DIALOG_LAYER = 5;
192    // toasts and the plugged-in battery thing
193    static final int TOAST_LAYER = 6;
194    // SIM errors and unlock.  Not sure if this really should be in a high layer.
195    static final int PRIORITY_PHONE_LAYER = 7;
196    // like the ANR / app crashed dialogs
197    static final int SYSTEM_ALERT_LAYER = 8;
198    // on-screen keyboards and other such input method user interfaces go here.
199    static final int INPUT_METHOD_LAYER = 9;
200    // on-screen keyboards and other such input method user interfaces go here.
201    static final int INPUT_METHOD_DIALOG_LAYER = 10;
202    // the keyguard; nothing on top of these can take focus, since they are
203    // responsible for power management when displayed.
204    static final int KEYGUARD_LAYER = 11;
205    static final int KEYGUARD_DIALOG_LAYER = 12;
206    // used for Dreams (screensavers with TYPE_DREAM windows)
207    static final int SCREENSAVER_LAYER = 13;
208    static final int STATUS_BAR_SUB_PANEL_LAYER = 14;
209    static final int STATUS_BAR_LAYER = 15;
210    static final int STATUS_BAR_PANEL_LAYER = 16;
211    // the on-screen volume indicator and controller shown when the user
212    // changes the device volume
213    static final int VOLUME_OVERLAY_LAYER = 17;
214    // things in here CAN NOT take focus, but are shown on top of everything else.
215    static final int SYSTEM_OVERLAY_LAYER = 18;
216    // the navigation bar, if available, shows atop most things
217    static final int NAVIGATION_BAR_LAYER = 19;
218    // some panels (e.g. search) need to show on top of the navigation bar
219    static final int NAVIGATION_BAR_PANEL_LAYER = 20;
220    // system-level error dialogs
221    static final int SYSTEM_ERROR_LAYER = 21;
222    // used to simulate secondary display devices
223    static final int DISPLAY_OVERLAY_LAYER = 22;
224    // the drag layer: input for drag-and-drop is associated with this window,
225    // which sits above all other focusable windows
226    static final int DRAG_LAYER = 23;
227    static final int SECURE_SYSTEM_OVERLAY_LAYER = 24;
228    static final int BOOT_PROGRESS_LAYER = 25;
229    // the (mouse) pointer layer
230    static final int POINTER_LAYER = 26;
231    static final int HIDDEN_NAV_CONSUMER_LAYER = 27;
232
233    static final int APPLICATION_MEDIA_SUBLAYER = -2;
234    static final int APPLICATION_MEDIA_OVERLAY_SUBLAYER = -1;
235    static final int APPLICATION_PANEL_SUBLAYER = 1;
236    static final int APPLICATION_SUB_PANEL_SUBLAYER = 2;
237
238    static public final String SYSTEM_DIALOG_REASON_KEY = "reason";
239    static public final String SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS = "globalactions";
240    static public final String SYSTEM_DIALOG_REASON_RECENT_APPS = "recentapps";
241    static public final String SYSTEM_DIALOG_REASON_HOME_KEY = "homekey";
242    static public final String SYSTEM_DIALOG_REASON_ASSIST = "assist";
243
244    /**
245     * These are the system UI flags that, when changing, can cause the layout
246     * of the screen to change.
247     */
248    static final int SYSTEM_UI_CHANGING_LAYOUT =
249            View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_FULLSCREEN;
250
251    /* Table of Application Launch keys.  Maps from key codes to intent categories.
252     *
253     * These are special keys that are used to launch particular kinds of applications,
254     * such as a web browser.  HID defines nearly a hundred of them in the Consumer (0x0C)
255     * usage page.  We don't support quite that many yet...
256     */
257    static SparseArray<String> sApplicationLaunchKeyCategories;
258    static {
259        sApplicationLaunchKeyCategories = new SparseArray<String>();
260        sApplicationLaunchKeyCategories.append(
261                KeyEvent.KEYCODE_EXPLORER, Intent.CATEGORY_APP_BROWSER);
262        sApplicationLaunchKeyCategories.append(
263                KeyEvent.KEYCODE_ENVELOPE, Intent.CATEGORY_APP_EMAIL);
264        sApplicationLaunchKeyCategories.append(
265                KeyEvent.KEYCODE_CONTACTS, Intent.CATEGORY_APP_CONTACTS);
266        sApplicationLaunchKeyCategories.append(
267                KeyEvent.KEYCODE_CALENDAR, Intent.CATEGORY_APP_CALENDAR);
268        sApplicationLaunchKeyCategories.append(
269                KeyEvent.KEYCODE_MUSIC, Intent.CATEGORY_APP_MUSIC);
270        sApplicationLaunchKeyCategories.append(
271                KeyEvent.KEYCODE_CALCULATOR, Intent.CATEGORY_APP_CALCULATOR);
272    }
273
274    /**
275     * Lock protecting internal state.  Must not call out into window
276     * manager with lock held.  (This lock will be acquired in places
277     * where the window manager is calling in with its own lock held.)
278     */
279    final Object mLock = new Object();
280
281    Context mContext;
282    IWindowManager mWindowManager;
283    WindowManagerFuncs mWindowManagerFuncs;
284    PowerManager mPowerManager;
285    IStatusBarService mStatusBarService;
286    final Object mServiceAquireLock = new Object();
287    Vibrator mVibrator; // Vibrator for giving feedback of orientation changes
288    SearchManager mSearchManager;
289
290    // Vibrator pattern for haptic feedback of a long press.
291    long[] mLongPressVibePattern;
292
293    // Vibrator pattern for haptic feedback of virtual key press.
294    long[] mVirtualKeyVibePattern;
295
296    // Vibrator pattern for a short vibration.
297    long[] mKeyboardTapVibePattern;
298
299    // Vibrator pattern for haptic feedback during boot when safe mode is disabled.
300    long[] mSafeModeDisabledVibePattern;
301
302    // Vibrator pattern for haptic feedback during boot when safe mode is enabled.
303    long[] mSafeModeEnabledVibePattern;
304
305    /** If true, hitting shift & menu will broadcast Intent.ACTION_BUG_REPORT */
306    boolean mEnableShiftMenuBugReports = false;
307
308    boolean mHeadless;
309    boolean mSafeMode;
310    WindowState mStatusBar = null;
311    boolean mHasSystemNavBar;
312    int mStatusBarHeight;
313    WindowState mNavigationBar = null;
314    boolean mHasNavigationBar = false;
315    boolean mCanHideNavigationBar = false;
316    boolean mNavigationBarCanMove = false; // can the navigation bar ever move to the side?
317    boolean mNavigationBarOnBottom = true; // is the navigation bar on the bottom *right now*?
318    int[] mNavigationBarHeightForRotation = new int[4];
319    int[] mNavigationBarWidthForRotation = new int[4];
320
321    WindowState mKeyguard = null;
322    KeyguardViewMediator mKeyguardMediator;
323    GlobalActions mGlobalActions;
324    volatile boolean mPowerKeyHandled; // accessed from input reader and handler thread
325    boolean mPendingPowerKeyUpCanceled;
326    Handler mHandler;
327    WindowState mLastInputMethodWindow = null;
328    WindowState mLastInputMethodTargetWindow = null;
329
330    static final int RECENT_APPS_BEHAVIOR_SHOW_OR_DISMISS = 0;
331    static final int RECENT_APPS_BEHAVIOR_EXIT_TOUCH_MODE_AND_SHOW = 1;
332    static final int RECENT_APPS_BEHAVIOR_DISMISS = 2;
333    static final int RECENT_APPS_BEHAVIOR_DISMISS_AND_SWITCH = 3;
334
335    RecentApplicationsDialog mRecentAppsDialog;
336    int mRecentAppsDialogHeldModifiers;
337    boolean mLanguageSwitchKeyPressed;
338
339    int mLidState = LID_ABSENT;
340    boolean mHaveBuiltInKeyboard;
341
342    boolean mSystemReady;
343    boolean mSystemBooted;
344    boolean mHdmiPlugged;
345    int mUiMode;
346    int mDockMode = Intent.EXTRA_DOCK_STATE_UNDOCKED;
347    int mLidOpenRotation;
348    int mCarDockRotation;
349    int mDeskDockRotation;
350    int mHdmiRotation;
351
352    int mUserRotationMode = WindowManagerPolicy.USER_ROTATION_FREE;
353    int mUserRotation = Surface.ROTATION_0;
354    boolean mAccelerometerDefault;
355
356    int mAllowAllRotations = -1;
357    boolean mCarDockEnablesAccelerometer;
358    boolean mDeskDockEnablesAccelerometer;
359    int mLidKeyboardAccessibility;
360    int mLidNavigationAccessibility;
361    boolean mLidControlsSleep;
362    int mLongPressOnPowerBehavior = -1;
363    boolean mScreenOnEarly = false;
364    boolean mScreenOnFully = false;
365    boolean mOrientationSensorEnabled = false;
366    int mLastSensorRotation = -1;
367    int mCurrentAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
368    boolean mHasSoftInput = false;
369
370    int mPointerLocationMode = 0; // guarded by mLock
371
372    // The last window we were told about in focusChanged.
373    WindowState mFocusedWindow;
374    IApplicationToken mFocusedApp;
375
376    private static final class PointerLocationInputEventReceiver extends InputEventReceiver {
377        private final PointerLocationView mView;
378
379        public PointerLocationInputEventReceiver(InputChannel inputChannel, Looper looper,
380                PointerLocationView view) {
381            super(inputChannel, looper);
382            mView = view;
383        }
384
385        @Override
386        public void onInputEvent(InputEvent event) {
387            boolean handled = false;
388            try {
389                if (event instanceof MotionEvent
390                        && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
391                    final MotionEvent motionEvent = (MotionEvent)event;
392                    mView.addPointerEvent(motionEvent);
393                    handled = true;
394                }
395            } finally {
396                finishInputEvent(event, handled);
397            }
398        }
399    }
400
401    // Pointer location view state, only modified on the mHandler Looper.
402    PointerLocationInputEventReceiver mPointerLocationInputEventReceiver;
403    PointerLocationView mPointerLocationView;
404    InputChannel mPointerLocationInputChannel;
405
406    // The current size of the screen; really; (ir)regardless of whether the status
407    // bar can be hidden or not
408    int mUnrestrictedScreenLeft, mUnrestrictedScreenTop;
409    int mUnrestrictedScreenWidth, mUnrestrictedScreenHeight;
410    // The current size of the screen; these may be different than (0,0)-(dw,dh)
411    // if the status bar can't be hidden; in that case it effectively carves out
412    // that area of the display from all other windows.
413    int mRestrictedScreenLeft, mRestrictedScreenTop;
414    int mRestrictedScreenWidth, mRestrictedScreenHeight;
415    // During layout, the current screen borders accounting for any currently
416    // visible system UI elements.
417    int mSystemLeft, mSystemTop, mSystemRight, mSystemBottom;
418    // For applications requesting stable content insets, these are them.
419    int mStableLeft, mStableTop, mStableRight, mStableBottom;
420    // For applications requesting stable content insets but have also set the
421    // fullscreen window flag, these are the stable dimensions without the status bar.
422    int mStableFullscreenLeft, mStableFullscreenTop;
423    int mStableFullscreenRight, mStableFullscreenBottom;
424    // During layout, the current screen borders with all outer decoration
425    // (status bar, input method dock) accounted for.
426    int mCurLeft, mCurTop, mCurRight, mCurBottom;
427    // During layout, the frame in which content should be displayed
428    // to the user, accounting for all screen decoration except for any
429    // space they deem as available for other content.  This is usually
430    // the same as mCur*, but may be larger if the screen decor has supplied
431    // content insets.
432    int mContentLeft, mContentTop, mContentRight, mContentBottom;
433    // During layout, the current screen borders along which input method
434    // windows are placed.
435    int mDockLeft, mDockTop, mDockRight, mDockBottom;
436    // During layout, the layer at which the doc window is placed.
437    int mDockLayer;
438    // During layout, this is the layer of the status bar.
439    int mStatusBarLayer;
440    int mLastSystemUiFlags;
441    // Bits that we are in the process of clearing, so we want to prevent
442    // them from being set by applications until everything has been updated
443    // to have them clear.
444    int mResettingSystemUiFlags = 0;
445    // Bits that we are currently always keeping cleared.
446    int mForceClearedSystemUiFlags = 0;
447    // What we last reported to system UI about whether the compatibility
448    // menu needs to be displayed.
449    boolean mLastFocusNeedsMenu = false;
450
451    FakeWindow mHideNavFakeWindow = null;
452
453    static final Rect mTmpParentFrame = new Rect();
454    static final Rect mTmpDisplayFrame = new Rect();
455    static final Rect mTmpContentFrame = new Rect();
456    static final Rect mTmpVisibleFrame = new Rect();
457    static final Rect mTmpNavigationFrame = new Rect();
458
459    WindowState mTopFullscreenOpaqueWindowState;
460    boolean mTopIsFullscreen;
461    boolean mForceStatusBar;
462    boolean mHideLockScreen;
463    boolean mDismissKeyguard;
464    boolean mHomePressed;
465    boolean mHomeLongPressed;
466    Intent mHomeIntent;
467    Intent mCarDockIntent;
468    Intent mDeskDockIntent;
469    boolean mSearchKeyShortcutPending;
470    boolean mConsumeSearchKeyUp;
471    boolean mAssistKeyLongPressed;
472
473    // support for activating the lock screen while the screen is on
474    boolean mAllowLockscreenWhenOn;
475    int mLockScreenTimeout;
476    boolean mLockScreenTimerActive;
477
478    // Behavior of ENDCALL Button.  (See Settings.System.END_BUTTON_BEHAVIOR.)
479    int mEndcallBehavior;
480
481    // Behavior of POWER button while in-call and screen on.
482    // (See Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR.)
483    int mIncallPowerBehavior;
484
485    Display mDisplay;
486
487    int mLandscapeRotation = 0;  // default landscape rotation
488    int mSeascapeRotation = 0;   // "other" landscape rotation, 180 degrees from mLandscapeRotation
489    int mPortraitRotation = 0;   // default portrait rotation
490    int mUpsideDownRotation = 0; // "other" portrait rotation
491
492    // What we do when the user long presses on home
493    private int mLongPressOnHomeBehavior = -1;
494
495    // Screenshot trigger states
496    // Time to volume and power must be pressed within this interval of each other.
497    private static final long SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS = 150;
498    private boolean mScreenshotChordEnabled;
499    private boolean mVolumeDownKeyTriggered;
500    private long mVolumeDownKeyTime;
501    private boolean mVolumeDownKeyConsumedByScreenshotChord;
502    private boolean mVolumeUpKeyTriggered;
503    private boolean mPowerKeyTriggered;
504    private long mPowerKeyTime;
505
506    ShortcutManager mShortcutManager;
507    PowerManager.WakeLock mBroadcastWakeLock;
508    boolean mHavePendingMediaKeyRepeatWithWakeLock;
509
510    // Fallback actions by key code.
511    private final SparseArray<KeyCharacterMap.FallbackAction> mFallbackActions =
512            new SparseArray<KeyCharacterMap.FallbackAction>();
513
514    private static final int MSG_ENABLE_POINTER_LOCATION = 1;
515    private static final int MSG_DISABLE_POINTER_LOCATION = 2;
516    private static final int MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK = 3;
517    private static final int MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK = 4;
518
519    private class PolicyHandler extends Handler {
520        @Override
521        public void handleMessage(Message msg) {
522            switch (msg.what) {
523                case MSG_ENABLE_POINTER_LOCATION:
524                    enablePointerLocation();
525                    break;
526                case MSG_DISABLE_POINTER_LOCATION:
527                    disablePointerLocation();
528                    break;
529                case MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK:
530                    dispatchMediaKeyWithWakeLock((KeyEvent)msg.obj);
531                    break;
532                case MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK:
533                    dispatchMediaKeyRepeatWithWakeLock((KeyEvent)msg.obj);
534                    break;
535            }
536        }
537    }
538
539    private UEventObserver mHDMIObserver = new UEventObserver() {
540        @Override
541        public void onUEvent(UEventObserver.UEvent event) {
542            setHdmiPlugged("1".equals(event.get("SWITCH_STATE")));
543        }
544    };
545
546    class SettingsObserver extends ContentObserver {
547        SettingsObserver(Handler handler) {
548            super(handler);
549        }
550
551        void observe() {
552            ContentResolver resolver = mContext.getContentResolver();
553            resolver.registerContentObserver(Settings.System.getUriFor(
554                    Settings.System.END_BUTTON_BEHAVIOR), false, this);
555            resolver.registerContentObserver(Settings.Secure.getUriFor(
556                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR), false, this);
557            resolver.registerContentObserver(Settings.System.getUriFor(
558                    Settings.System.ACCELEROMETER_ROTATION), false, this);
559            resolver.registerContentObserver(Settings.System.getUriFor(
560                    Settings.System.USER_ROTATION), false, this);
561            resolver.registerContentObserver(Settings.System.getUriFor(
562                    Settings.System.SCREEN_OFF_TIMEOUT), false, this);
563            resolver.registerContentObserver(Settings.System.getUriFor(
564                    Settings.System.POINTER_LOCATION), false, this);
565            resolver.registerContentObserver(Settings.Secure.getUriFor(
566                    Settings.Secure.DEFAULT_INPUT_METHOD), false, this);
567            resolver.registerContentObserver(Settings.System.getUriFor(
568                    "fancy_rotation_anim"), false, this);
569            updateSettings();
570        }
571
572        @Override public void onChange(boolean selfChange) {
573            updateSettings();
574            updateRotation(false);
575        }
576    }
577
578    class MyOrientationListener extends WindowOrientationListener {
579        MyOrientationListener(Context context) {
580            super(context);
581        }
582
583        @Override
584        public void onProposedRotationChanged(int rotation) {
585            if (localLOGV) Log.v(TAG, "onProposedRotationChanged, rotation=" + rotation);
586            updateRotation(false);
587        }
588    }
589    MyOrientationListener mOrientationListener;
590
591    IStatusBarService getStatusBarService() {
592        synchronized (mServiceAquireLock) {
593            if (mStatusBarService == null) {
594                mStatusBarService = IStatusBarService.Stub.asInterface(
595                        ServiceManager.getService("statusbar"));
596            }
597            return mStatusBarService;
598        }
599    }
600
601    /*
602     * We always let the sensor be switched on by default except when
603     * the user has explicitly disabled sensor based rotation or when the
604     * screen is switched off.
605     */
606    boolean needSensorRunningLp() {
607        if (mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
608                || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
609                || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT
610                || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE) {
611            // If the application has explicitly requested to follow the
612            // orientation, then we need to turn the sensor or.
613            return true;
614        }
615        if ((mCarDockEnablesAccelerometer && mDockMode == Intent.EXTRA_DOCK_STATE_CAR) ||
616                (mDeskDockEnablesAccelerometer && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
617                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
618                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK))) {
619            // enable accelerometer if we are docked in a dock that enables accelerometer
620            // orientation management,
621            return true;
622        }
623        if (mUserRotationMode == USER_ROTATION_LOCKED) {
624            // If the setting for using the sensor by default is enabled, then
625            // we will always leave it on.  Note that the user could go to
626            // a window that forces an orientation that does not use the
627            // sensor and in theory we could turn it off... however, when next
628            // turning it on we won't have a good value for the current
629            // orientation for a little bit, which can cause orientation
630            // changes to lag, so we'd like to keep it always on.  (It will
631            // still be turned off when the screen is off.)
632            return false;
633        }
634        return true;
635    }
636
637    /*
638     * Various use cases for invoking this function
639     * screen turning off, should always disable listeners if already enabled
640     * screen turned on and current app has sensor based orientation, enable listeners
641     * if not already enabled
642     * screen turned on and current app does not have sensor orientation, disable listeners if
643     * already enabled
644     * screen turning on and current app has sensor based orientation, enable listeners if needed
645     * screen turning on and current app has nosensor based orientation, do nothing
646     */
647    void updateOrientationListenerLp() {
648        if (!mOrientationListener.canDetectOrientation()) {
649            // If sensor is turned off or nonexistent for some reason
650            return;
651        }
652        //Could have been invoked due to screen turning on or off or
653        //change of the currently visible window's orientation
654        if (localLOGV) Log.v(TAG, "Screen status="+mScreenOnEarly+
655                ", current orientation="+mCurrentAppOrientation+
656                ", SensorEnabled="+mOrientationSensorEnabled);
657        boolean disable = true;
658        if (mScreenOnEarly) {
659            if (needSensorRunningLp()) {
660                disable = false;
661                //enable listener if not already enabled
662                if (!mOrientationSensorEnabled) {
663                    mOrientationListener.enable();
664                    if(localLOGV) Log.v(TAG, "Enabling listeners");
665                    mOrientationSensorEnabled = true;
666                }
667            }
668        }
669        //check if sensors need to be disabled
670        if (disable && mOrientationSensorEnabled) {
671            mOrientationListener.disable();
672            if(localLOGV) Log.v(TAG, "Disabling listeners");
673            mOrientationSensorEnabled = false;
674        }
675    }
676
677    private void interceptPowerKeyDown(boolean handled) {
678        mPowerKeyHandled = handled;
679        if (!handled) {
680            mHandler.postDelayed(mPowerLongPress, ViewConfiguration.getGlobalActionKeyTimeout());
681        }
682    }
683
684    private boolean interceptPowerKeyUp(boolean canceled) {
685        if (!mPowerKeyHandled) {
686            mHandler.removeCallbacks(mPowerLongPress);
687            return !canceled;
688        }
689        return false;
690    }
691
692    private void cancelPendingPowerKeyAction() {
693        if (!mPowerKeyHandled) {
694            mHandler.removeCallbacks(mPowerLongPress);
695        }
696        if (mPowerKeyTriggered) {
697            mPendingPowerKeyUpCanceled = true;
698        }
699    }
700
701    private void interceptScreenshotChord() {
702        if (mScreenshotChordEnabled
703                && mVolumeDownKeyTriggered && mPowerKeyTriggered && !mVolumeUpKeyTriggered) {
704            final long now = SystemClock.uptimeMillis();
705            if (now <= mVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS
706                    && now <= mPowerKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS) {
707                mVolumeDownKeyConsumedByScreenshotChord = true;
708                cancelPendingPowerKeyAction();
709
710                mHandler.postDelayed(mScreenshotChordLongPress,
711                        ViewConfiguration.getGlobalActionKeyTimeout());
712            }
713        }
714    }
715
716    private void cancelPendingScreenshotChordAction() {
717        mHandler.removeCallbacks(mScreenshotChordLongPress);
718    }
719
720    private final Runnable mPowerLongPress = new Runnable() {
721        public void run() {
722            // The context isn't read
723            if (mLongPressOnPowerBehavior < 0) {
724                if (FactoryTest.isLongPressOnPowerOffEnabled()) {
725                    mLongPressOnPowerBehavior = LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;
726                } else {
727                    mLongPressOnPowerBehavior = mContext.getResources().getInteger(
728                            com.android.internal.R.integer.config_longPressOnPowerBehavior);
729                }
730            }
731            switch (mLongPressOnPowerBehavior) {
732            case LONG_PRESS_POWER_NOTHING:
733                break;
734            case LONG_PRESS_POWER_GLOBAL_ACTIONS:
735                mPowerKeyHandled = true;
736                performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
737                sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
738                showGlobalActionsDialog();
739                break;
740            case LONG_PRESS_POWER_SHUT_OFF:
741            case LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM:
742                mPowerKeyHandled = true;
743                performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
744                sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
745                mWindowManagerFuncs.shutdown(
746                        mLongPressOnPowerBehavior == LONG_PRESS_POWER_SHUT_OFF);
747                break;
748            }
749        }
750    };
751
752    private final Runnable mScreenshotChordLongPress = new Runnable() {
753        public void run() {
754            takeScreenshot();
755        }
756    };
757
758    void showGlobalActionsDialog() {
759        if (mGlobalActions == null) {
760            mGlobalActions = new GlobalActions(mContext, mWindowManagerFuncs);
761        }
762        final boolean keyguardShowing = keyguardIsShowingTq();
763        mGlobalActions.showDialog(keyguardShowing, isDeviceProvisioned());
764        if (keyguardShowing) {
765            // since it took two seconds of long press to bring this up,
766            // poke the wake lock so they have some time to see the dialog.
767            mKeyguardMediator.pokeWakelock();
768        }
769    }
770
771    boolean isDeviceProvisioned() {
772        return Settings.Secure.getInt(
773                mContext.getContentResolver(), Settings.Secure.DEVICE_PROVISIONED, 0) != 0;
774    }
775
776    private void handleLongPressOnHome() {
777        // We can't initialize this in init() since the configuration hasn't been loaded yet.
778        if (mLongPressOnHomeBehavior < 0) {
779            mLongPressOnHomeBehavior
780                    = mContext.getResources().getInteger(R.integer.config_longPressOnHomeBehavior);
781            if (mLongPressOnHomeBehavior < LONG_PRESS_HOME_NOTHING ||
782                    mLongPressOnHomeBehavior > LONG_PRESS_HOME_RECENT_SYSTEM_UI) {
783                mLongPressOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
784            }
785        }
786
787        if (mLongPressOnHomeBehavior != LONG_PRESS_HOME_NOTHING) {
788            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
789            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_RECENT_APPS);
790
791            // Eat the longpress so it won't dismiss the recent apps dialog when
792            // the user lets go of the home key
793            mHomeLongPressed = true;
794        }
795
796        if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_DIALOG) {
797            showOrHideRecentAppsDialog(RECENT_APPS_BEHAVIOR_SHOW_OR_DISMISS);
798        } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI) {
799            try {
800                IStatusBarService statusbar = getStatusBarService();
801                if (statusbar != null) {
802                    statusbar.toggleRecentApps();
803                }
804            } catch (RemoteException e) {
805                Slog.e(TAG, "RemoteException when showing recent apps", e);
806                // re-acquire status bar service next time it is needed.
807                mStatusBarService = null;
808            }
809        }
810    }
811
812    /**
813     * Create (if necessary) and show or dismiss the recent apps dialog according
814     * according to the requested behavior.
815     */
816    void showOrHideRecentAppsDialog(final int behavior) {
817        mHandler.post(new Runnable() {
818            @Override
819            public void run() {
820                if (mRecentAppsDialog == null) {
821                    mRecentAppsDialog = new RecentApplicationsDialog(mContext);
822                }
823                if (mRecentAppsDialog.isShowing()) {
824                    switch (behavior) {
825                        case RECENT_APPS_BEHAVIOR_SHOW_OR_DISMISS:
826                        case RECENT_APPS_BEHAVIOR_DISMISS:
827                            mRecentAppsDialog.dismiss();
828                            break;
829                        case RECENT_APPS_BEHAVIOR_DISMISS_AND_SWITCH:
830                            mRecentAppsDialog.dismissAndSwitch();
831                            break;
832                        case RECENT_APPS_BEHAVIOR_EXIT_TOUCH_MODE_AND_SHOW:
833                        default:
834                            break;
835                    }
836                } else {
837                    switch (behavior) {
838                        case RECENT_APPS_BEHAVIOR_SHOW_OR_DISMISS:
839                            mRecentAppsDialog.show();
840                            break;
841                        case RECENT_APPS_BEHAVIOR_EXIT_TOUCH_MODE_AND_SHOW:
842                            try {
843                                mWindowManager.setInTouchMode(false);
844                            } catch (RemoteException e) {
845                            }
846                            mRecentAppsDialog.show();
847                            break;
848                        case RECENT_APPS_BEHAVIOR_DISMISS:
849                        case RECENT_APPS_BEHAVIOR_DISMISS_AND_SWITCH:
850                        default:
851                            break;
852                    }
853                }
854            }
855        });
856    }
857
858    /** {@inheritDoc} */
859    public void init(Context context, IWindowManager windowManager,
860            WindowManagerFuncs windowManagerFuncs) {
861        mContext = context;
862        mWindowManager = windowManager;
863        mWindowManagerFuncs = windowManagerFuncs;
864        mHeadless = "1".equals(SystemProperties.get("ro.config.headless", "0"));
865        if (!mHeadless) {
866            // don't create KeyguardViewMediator if headless
867            mKeyguardMediator = new KeyguardViewMediator(context, null);
868        }
869        mHandler = new PolicyHandler();
870        mOrientationListener = new MyOrientationListener(mContext);
871        try {
872            mOrientationListener.setCurrentRotation(windowManager.getRotation());
873        } catch (RemoteException ex) { }
874        SettingsObserver settingsObserver = new SettingsObserver(mHandler);
875        settingsObserver.observe();
876        mShortcutManager = new ShortcutManager(context, mHandler);
877        mShortcutManager.observe();
878        mUiMode = context.getResources().getInteger(
879                com.android.internal.R.integer.config_defaultUiModeType);
880        mHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
881        mHomeIntent.addCategory(Intent.CATEGORY_HOME);
882        mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
883                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
884        mCarDockIntent =  new Intent(Intent.ACTION_MAIN, null);
885        mCarDockIntent.addCategory(Intent.CATEGORY_CAR_DOCK);
886        mCarDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
887                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
888        mDeskDockIntent =  new Intent(Intent.ACTION_MAIN, null);
889        mDeskDockIntent.addCategory(Intent.CATEGORY_DESK_DOCK);
890        mDeskDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
891                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
892
893        mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
894        mBroadcastWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
895                "PhoneWindowManager.mBroadcastWakeLock");
896        mEnableShiftMenuBugReports = "1".equals(SystemProperties.get("ro.debuggable"));
897        mLidOpenRotation = readRotation(
898                com.android.internal.R.integer.config_lidOpenRotation);
899        mCarDockRotation = readRotation(
900                com.android.internal.R.integer.config_carDockRotation);
901        mDeskDockRotation = readRotation(
902                com.android.internal.R.integer.config_deskDockRotation);
903        mCarDockEnablesAccelerometer = mContext.getResources().getBoolean(
904                com.android.internal.R.bool.config_carDockEnablesAccelerometer);
905        mDeskDockEnablesAccelerometer = mContext.getResources().getBoolean(
906                com.android.internal.R.bool.config_deskDockEnablesAccelerometer);
907        mLidKeyboardAccessibility = mContext.getResources().getInteger(
908                com.android.internal.R.integer.config_lidKeyboardAccessibility);
909        mLidNavigationAccessibility = mContext.getResources().getInteger(
910                com.android.internal.R.integer.config_lidNavigationAccessibility);
911        mLidControlsSleep = mContext.getResources().getBoolean(
912                com.android.internal.R.bool.config_lidControlsSleep);
913        // register for dock events
914        IntentFilter filter = new IntentFilter();
915        filter.addAction(UiModeManager.ACTION_ENTER_CAR_MODE);
916        filter.addAction(UiModeManager.ACTION_EXIT_CAR_MODE);
917        filter.addAction(UiModeManager.ACTION_ENTER_DESK_MODE);
918        filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
919        filter.addAction(Intent.ACTION_DOCK_EVENT);
920        Intent intent = context.registerReceiver(mDockReceiver, filter);
921        if (intent != null) {
922            // Retrieve current sticky dock event broadcast.
923            mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
924                    Intent.EXTRA_DOCK_STATE_UNDOCKED);
925        }
926
927        mVibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE);
928        mLongPressVibePattern = getLongIntArray(mContext.getResources(),
929                com.android.internal.R.array.config_longPressVibePattern);
930        mVirtualKeyVibePattern = getLongIntArray(mContext.getResources(),
931                com.android.internal.R.array.config_virtualKeyVibePattern);
932        mKeyboardTapVibePattern = getLongIntArray(mContext.getResources(),
933                com.android.internal.R.array.config_keyboardTapVibePattern);
934        mSafeModeDisabledVibePattern = getLongIntArray(mContext.getResources(),
935                com.android.internal.R.array.config_safeModeDisabledVibePattern);
936        mSafeModeEnabledVibePattern = getLongIntArray(mContext.getResources(),
937                com.android.internal.R.array.config_safeModeEnabledVibePattern);
938
939        mScreenshotChordEnabled = mContext.getResources().getBoolean(
940                com.android.internal.R.bool.config_enableScreenshotChord);
941
942        // Controls rotation and the like.
943        initializeHdmiState();
944
945        // Match current screen state.
946        if (mPowerManager.isScreenOn()) {
947            screenTurningOn(null);
948        } else {
949            screenTurnedOff(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
950        }
951    }
952
953    public void setInitialDisplaySize(Display display, int width, int height, int density) {
954        mDisplay = display;
955
956        int shortSize, longSize;
957        if (width > height) {
958            shortSize = height;
959            longSize = width;
960            mLandscapeRotation = Surface.ROTATION_0;
961            mSeascapeRotation = Surface.ROTATION_180;
962            if (mContext.getResources().getBoolean(
963                    com.android.internal.R.bool.config_reverseDefaultRotation)) {
964                mPortraitRotation = Surface.ROTATION_90;
965                mUpsideDownRotation = Surface.ROTATION_270;
966            } else {
967                mPortraitRotation = Surface.ROTATION_270;
968                mUpsideDownRotation = Surface.ROTATION_90;
969            }
970        } else {
971            shortSize = width;
972            longSize = height;
973            mPortraitRotation = Surface.ROTATION_0;
974            mUpsideDownRotation = Surface.ROTATION_180;
975            if (mContext.getResources().getBoolean(
976                    com.android.internal.R.bool.config_reverseDefaultRotation)) {
977                mLandscapeRotation = Surface.ROTATION_270;
978                mSeascapeRotation = Surface.ROTATION_90;
979            } else {
980                mLandscapeRotation = Surface.ROTATION_90;
981                mSeascapeRotation = Surface.ROTATION_270;
982            }
983        }
984
985        mStatusBarHeight = mContext.getResources().getDimensionPixelSize(
986                com.android.internal.R.dimen.status_bar_height);
987
988        // Height of the navigation bar when presented horizontally at bottom
989        mNavigationBarHeightForRotation[mPortraitRotation] =
990        mNavigationBarHeightForRotation[mUpsideDownRotation] =
991                mContext.getResources().getDimensionPixelSize(
992                        com.android.internal.R.dimen.navigation_bar_height);
993        mNavigationBarHeightForRotation[mLandscapeRotation] =
994        mNavigationBarHeightForRotation[mSeascapeRotation] =
995                mContext.getResources().getDimensionPixelSize(
996                        com.android.internal.R.dimen.navigation_bar_height_landscape);
997
998        // Width of the navigation bar when presented vertically along one side
999        mNavigationBarWidthForRotation[mPortraitRotation] =
1000        mNavigationBarWidthForRotation[mUpsideDownRotation] =
1001        mNavigationBarWidthForRotation[mLandscapeRotation] =
1002        mNavigationBarWidthForRotation[mSeascapeRotation] =
1003                mContext.getResources().getDimensionPixelSize(
1004                        com.android.internal.R.dimen.navigation_bar_width);
1005
1006        // SystemUI (status bar) layout policy
1007        int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT / density;
1008
1009        if (shortSizeDp < 600) {
1010            // 0-599dp: "phone" UI with a separate status & navigation bar
1011            mHasSystemNavBar = false;
1012            mNavigationBarCanMove = true;
1013        } else if (shortSizeDp < 720) {
1014            // 600+dp: "phone" UI with modifications for larger screens
1015            mHasSystemNavBar = false;
1016            mNavigationBarCanMove = false;
1017        }
1018
1019        if (!mHasSystemNavBar) {
1020            mHasNavigationBar = mContext.getResources().getBoolean(
1021                    com.android.internal.R.bool.config_showNavigationBar);
1022            // Allow a system property to override this. Used by the emulator.
1023            // See also hasNavigationBar().
1024            String navBarOverride = SystemProperties.get("qemu.hw.mainkeys");
1025            if (! "".equals(navBarOverride)) {
1026                if      (navBarOverride.equals("1")) mHasNavigationBar = false;
1027                else if (navBarOverride.equals("0")) mHasNavigationBar = true;
1028            }
1029        } else {
1030            mHasNavigationBar = false;
1031        }
1032
1033        if (mHasSystemNavBar) {
1034            // The system bar is always at the bottom.  If you are watching
1035            // a video in landscape, we don't need to hide it if we can still
1036            // show a 16:9 aspect ratio with it.
1037            int longSizeDp = longSize * DisplayMetrics.DENSITY_DEFAULT / density;
1038            int barHeightDp = mNavigationBarHeightForRotation[mLandscapeRotation]
1039                    * DisplayMetrics.DENSITY_DEFAULT / density;
1040            int aspect = ((shortSizeDp-barHeightDp) * 16) / longSizeDp;
1041            // We have computed the aspect ratio with the bar height taken
1042            // out to be 16:aspect.  If this is less than 9, then hiding
1043            // the navigation bar will provide more useful space for wide
1044            // screen movies.
1045            mCanHideNavigationBar = aspect < 9;
1046        } else if (mHasNavigationBar) {
1047            // The navigation bar is at the right in landscape; it seems always
1048            // useful to hide it for showing a video.
1049            mCanHideNavigationBar = true;
1050        } else {
1051            mCanHideNavigationBar = false;
1052        }
1053
1054        if ("portrait".equals(SystemProperties.get("persist.demo.hdmirotation"))) {
1055            mHdmiRotation = mPortraitRotation;
1056        } else {
1057            mHdmiRotation = mLandscapeRotation;
1058        }
1059    }
1060
1061    public void updateSettings() {
1062        ContentResolver resolver = mContext.getContentResolver();
1063        boolean updateRotation = false;
1064        synchronized (mLock) {
1065            mEndcallBehavior = Settings.System.getInt(resolver,
1066                    Settings.System.END_BUTTON_BEHAVIOR,
1067                    Settings.System.END_BUTTON_BEHAVIOR_DEFAULT);
1068            mIncallPowerBehavior = Settings.Secure.getInt(resolver,
1069                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
1070                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT);
1071
1072            // Configure rotation lock.
1073            int userRotation = Settings.System.getInt(resolver,
1074                    Settings.System.USER_ROTATION, Surface.ROTATION_0);
1075            if (mUserRotation != userRotation) {
1076                mUserRotation = userRotation;
1077                updateRotation = true;
1078            }
1079            int userRotationMode = Settings.System.getInt(resolver,
1080                    Settings.System.ACCELEROMETER_ROTATION, 0) != 0 ?
1081                            WindowManagerPolicy.USER_ROTATION_FREE :
1082                                    WindowManagerPolicy.USER_ROTATION_LOCKED;
1083            if (mUserRotationMode != userRotationMode) {
1084                mUserRotationMode = userRotationMode;
1085                updateRotation = true;
1086                updateOrientationListenerLp();
1087            }
1088
1089            if (mSystemReady) {
1090                int pointerLocation = Settings.System.getInt(resolver,
1091                        Settings.System.POINTER_LOCATION, 0);
1092                if (mPointerLocationMode != pointerLocation) {
1093                    mPointerLocationMode = pointerLocation;
1094                    mHandler.sendEmptyMessage(pointerLocation != 0 ?
1095                            MSG_ENABLE_POINTER_LOCATION : MSG_DISABLE_POINTER_LOCATION);
1096                }
1097            }
1098            // use screen off timeout setting as the timeout for the lockscreen
1099            mLockScreenTimeout = Settings.System.getInt(resolver,
1100                    Settings.System.SCREEN_OFF_TIMEOUT, 0);
1101            String imId = Settings.Secure.getString(resolver,
1102                    Settings.Secure.DEFAULT_INPUT_METHOD);
1103            boolean hasSoftInput = imId != null && imId.length() > 0;
1104            if (mHasSoftInput != hasSoftInput) {
1105                mHasSoftInput = hasSoftInput;
1106                updateRotation = true;
1107            }
1108        }
1109        if (updateRotation) {
1110            updateRotation(true);
1111        }
1112    }
1113
1114    private void enablePointerLocation() {
1115        if (mPointerLocationView == null) {
1116            mPointerLocationView = new PointerLocationView(mContext);
1117            mPointerLocationView.setPrintCoords(false);
1118
1119            WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
1120                    WindowManager.LayoutParams.MATCH_PARENT,
1121                    WindowManager.LayoutParams.MATCH_PARENT);
1122            lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
1123            lp.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN
1124                    | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
1125                    | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
1126                    | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
1127            lp.format = PixelFormat.TRANSLUCENT;
1128            lp.setTitle("PointerLocation");
1129            WindowManager wm = (WindowManager)
1130                    mContext.getSystemService(Context.WINDOW_SERVICE);
1131            lp.inputFeatures |= WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL;
1132            wm.addView(mPointerLocationView, lp);
1133
1134            mPointerLocationInputChannel =
1135                    mWindowManagerFuncs.monitorInput("PointerLocationView");
1136            mPointerLocationInputEventReceiver =
1137                    new PointerLocationInputEventReceiver(mPointerLocationInputChannel,
1138                            Looper.myLooper(), mPointerLocationView);
1139        }
1140    }
1141
1142    private void disablePointerLocation() {
1143        if (mPointerLocationInputEventReceiver != null) {
1144            mPointerLocationInputEventReceiver.dispose();
1145            mPointerLocationInputEventReceiver = null;
1146        }
1147
1148        if (mPointerLocationInputChannel != null) {
1149            mPointerLocationInputChannel.dispose();
1150            mPointerLocationInputChannel = null;
1151        }
1152
1153        if (mPointerLocationView != null) {
1154            WindowManager wm = (WindowManager)
1155                    mContext.getSystemService(Context.WINDOW_SERVICE);
1156            wm.removeView(mPointerLocationView);
1157            mPointerLocationView = null;
1158        }
1159    }
1160
1161    private int readRotation(int resID) {
1162        try {
1163            int rotation = mContext.getResources().getInteger(resID);
1164            switch (rotation) {
1165                case 0:
1166                    return Surface.ROTATION_0;
1167                case 90:
1168                    return Surface.ROTATION_90;
1169                case 180:
1170                    return Surface.ROTATION_180;
1171                case 270:
1172                    return Surface.ROTATION_270;
1173            }
1174        } catch (Resources.NotFoundException e) {
1175            // fall through
1176        }
1177        return -1;
1178    }
1179
1180    /** {@inheritDoc} */
1181    public int checkAddPermission(WindowManager.LayoutParams attrs) {
1182        int type = attrs.type;
1183
1184        if (type < WindowManager.LayoutParams.FIRST_SYSTEM_WINDOW
1185                || type > WindowManager.LayoutParams.LAST_SYSTEM_WINDOW) {
1186            return WindowManagerGlobal.ADD_OKAY;
1187        }
1188        String permission = null;
1189        switch (type) {
1190            case TYPE_TOAST:
1191                // XXX right now the app process has complete control over
1192                // this...  should introduce a token to let the system
1193                // monitor/control what they are doing.
1194                break;
1195            case TYPE_DREAM:
1196            case TYPE_INPUT_METHOD:
1197            case TYPE_WALLPAPER:
1198                // The window manager will check these.
1199                break;
1200            case TYPE_PHONE:
1201            case TYPE_PRIORITY_PHONE:
1202            case TYPE_SYSTEM_ALERT:
1203            case TYPE_SYSTEM_ERROR:
1204            case TYPE_SYSTEM_OVERLAY:
1205                permission = android.Manifest.permission.SYSTEM_ALERT_WINDOW;
1206                break;
1207            default:
1208                permission = android.Manifest.permission.INTERNAL_SYSTEM_WINDOW;
1209        }
1210        if (permission != null) {
1211            if (mContext.checkCallingOrSelfPermission(permission)
1212                    != PackageManager.PERMISSION_GRANTED) {
1213                return WindowManagerGlobal.ADD_PERMISSION_DENIED;
1214            }
1215        }
1216        return WindowManagerGlobal.ADD_OKAY;
1217    }
1218
1219    public void adjustWindowParamsLw(WindowManager.LayoutParams attrs) {
1220        switch (attrs.type) {
1221            case TYPE_SYSTEM_OVERLAY:
1222            case TYPE_SECURE_SYSTEM_OVERLAY:
1223            case TYPE_TOAST:
1224                // These types of windows can't receive input events.
1225                attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
1226                        | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
1227                attrs.flags &= ~WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
1228                break;
1229        }
1230    }
1231
1232    void readLidState() {
1233        mLidState = mWindowManagerFuncs.getLidState();
1234    }
1235
1236    private boolean isHidden(int accessibilityMode) {
1237        switch (accessibilityMode) {
1238            case 1:
1239                return mLidState == LID_CLOSED;
1240            case 2:
1241                return mLidState == LID_OPEN;
1242            default:
1243                return false;
1244        }
1245    }
1246
1247    private boolean isBuiltInKeyboardVisible() {
1248        return mHaveBuiltInKeyboard && !isHidden(mLidKeyboardAccessibility);
1249    }
1250
1251    /** {@inheritDoc} */
1252    public void adjustConfigurationLw(Configuration config, int keyboardPresence,
1253            int navigationPresence) {
1254        mHaveBuiltInKeyboard = (keyboardPresence & PRESENCE_INTERNAL) != 0;
1255
1256        readLidState();
1257        applyLidSwitchState();
1258
1259        if (config.keyboard == Configuration.KEYBOARD_NOKEYS
1260                || (keyboardPresence == PRESENCE_INTERNAL
1261                        && isHidden(mLidKeyboardAccessibility))) {
1262            config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_YES;
1263            if (!mHasSoftInput) {
1264                config.keyboardHidden = Configuration.KEYBOARDHIDDEN_YES;
1265            }
1266        }
1267
1268        if (config.navigation == Configuration.NAVIGATION_NONAV
1269                || (navigationPresence == PRESENCE_INTERNAL
1270                        && isHidden(mLidNavigationAccessibility))) {
1271            config.navigationHidden = Configuration.NAVIGATIONHIDDEN_YES;
1272        }
1273    }
1274
1275    /** {@inheritDoc} */
1276    public int windowTypeToLayerLw(int type) {
1277        if (type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW) {
1278            return APPLICATION_LAYER;
1279        }
1280        switch (type) {
1281        case TYPE_STATUS_BAR:
1282            return STATUS_BAR_LAYER;
1283        case TYPE_STATUS_BAR_PANEL:
1284            return STATUS_BAR_PANEL_LAYER;
1285        case TYPE_STATUS_BAR_SUB_PANEL:
1286            return STATUS_BAR_SUB_PANEL_LAYER;
1287        case TYPE_SYSTEM_DIALOG:
1288            return SYSTEM_DIALOG_LAYER;
1289        case TYPE_SEARCH_BAR:
1290            return SEARCH_BAR_LAYER;
1291        case TYPE_PHONE:
1292            return PHONE_LAYER;
1293        case TYPE_KEYGUARD:
1294            return KEYGUARD_LAYER;
1295        case TYPE_KEYGUARD_DIALOG:
1296            return KEYGUARD_DIALOG_LAYER;
1297        case TYPE_SYSTEM_ALERT:
1298            return SYSTEM_ALERT_LAYER;
1299        case TYPE_SYSTEM_ERROR:
1300            return SYSTEM_ERROR_LAYER;
1301        case TYPE_INPUT_METHOD:
1302            return INPUT_METHOD_LAYER;
1303        case TYPE_INPUT_METHOD_DIALOG:
1304            return INPUT_METHOD_DIALOG_LAYER;
1305        case TYPE_VOLUME_OVERLAY:
1306            return VOLUME_OVERLAY_LAYER;
1307        case TYPE_SYSTEM_OVERLAY:
1308            return SYSTEM_OVERLAY_LAYER;
1309        case TYPE_SECURE_SYSTEM_OVERLAY:
1310            return SECURE_SYSTEM_OVERLAY_LAYER;
1311        case TYPE_PRIORITY_PHONE:
1312            return PRIORITY_PHONE_LAYER;
1313        case TYPE_TOAST:
1314            return TOAST_LAYER;
1315        case TYPE_WALLPAPER:
1316            return WALLPAPER_LAYER;
1317        case TYPE_DRAG:
1318            return DRAG_LAYER;
1319        case TYPE_POINTER:
1320            return POINTER_LAYER;
1321        case TYPE_NAVIGATION_BAR:
1322            return NAVIGATION_BAR_LAYER;
1323        case TYPE_NAVIGATION_BAR_PANEL:
1324            return NAVIGATION_BAR_PANEL_LAYER;
1325        case TYPE_BOOT_PROGRESS:
1326            return BOOT_PROGRESS_LAYER;
1327        case TYPE_HIDDEN_NAV_CONSUMER:
1328            return HIDDEN_NAV_CONSUMER_LAYER;
1329        case TYPE_DREAM:
1330            return SCREENSAVER_LAYER;
1331        case TYPE_UNIVERSE_BACKGROUND:
1332            return UNIVERSE_BACKGROUND_LAYER;
1333        case TYPE_DISPLAY_OVERLAY:
1334            return DISPLAY_OVERLAY_LAYER;
1335        }
1336        Log.e(TAG, "Unknown window type: " + type);
1337        return APPLICATION_LAYER;
1338    }
1339
1340    /** {@inheritDoc} */
1341    public int subWindowTypeToLayerLw(int type) {
1342        switch (type) {
1343        case TYPE_APPLICATION_PANEL:
1344        case TYPE_APPLICATION_ATTACHED_DIALOG:
1345            return APPLICATION_PANEL_SUBLAYER;
1346        case TYPE_APPLICATION_MEDIA:
1347            return APPLICATION_MEDIA_SUBLAYER;
1348        case TYPE_APPLICATION_MEDIA_OVERLAY:
1349            return APPLICATION_MEDIA_OVERLAY_SUBLAYER;
1350        case TYPE_APPLICATION_SUB_PANEL:
1351            return APPLICATION_SUB_PANEL_SUBLAYER;
1352        }
1353        Log.e(TAG, "Unknown sub-window type: " + type);
1354        return 0;
1355    }
1356
1357    public int getMaxWallpaperLayer() {
1358        return STATUS_BAR_LAYER;
1359    }
1360
1361    public int getAboveUniverseLayer() {
1362        return SYSTEM_ERROR_LAYER;
1363    }
1364
1365    public boolean hasSystemNavBar() {
1366        return mHasSystemNavBar;
1367    }
1368
1369    public int getNonDecorDisplayWidth(int fullWidth, int fullHeight, int rotation) {
1370        if (mHasNavigationBar) {
1371            // For a basic navigation bar, when we are in landscape mode we place
1372            // the navigation bar to the side.
1373            if (mNavigationBarCanMove && fullWidth > fullHeight) {
1374                return fullWidth - mNavigationBarWidthForRotation[rotation];
1375            }
1376        }
1377        return fullWidth;
1378    }
1379
1380    public int getNonDecorDisplayHeight(int fullWidth, int fullHeight, int rotation) {
1381        if (mHasSystemNavBar) {
1382            // For the system navigation bar, we always place it at the bottom.
1383            return fullHeight - mNavigationBarHeightForRotation[rotation];
1384        }
1385        if (mHasNavigationBar) {
1386            // For a basic navigation bar, when we are in portrait mode we place
1387            // the navigation bar to the bottom.
1388            if (!mNavigationBarCanMove || fullWidth < fullHeight) {
1389                return fullHeight - mNavigationBarHeightForRotation[rotation];
1390            }
1391        }
1392        return fullHeight;
1393    }
1394
1395    public int getConfigDisplayWidth(int fullWidth, int fullHeight, int rotation) {
1396        return getNonDecorDisplayWidth(fullWidth, fullHeight, rotation);
1397    }
1398
1399    public int getConfigDisplayHeight(int fullWidth, int fullHeight, int rotation) {
1400        // If we don't have a system nav bar, then there is a separate status
1401        // bar at the top of the display.  We don't count that as part of the
1402        // fixed decor, since it can hide; however, for purposes of configurations,
1403        // we do want to exclude it since applications can't generally use that part
1404        // of the screen.
1405        if (!mHasSystemNavBar) {
1406            return getNonDecorDisplayHeight(fullWidth, fullHeight, rotation) - mStatusBarHeight;
1407        }
1408        return getNonDecorDisplayHeight(fullWidth, fullHeight, rotation);
1409    }
1410
1411    public boolean doesForceHide(WindowState win, WindowManager.LayoutParams attrs) {
1412        return attrs.type == WindowManager.LayoutParams.TYPE_KEYGUARD;
1413    }
1414
1415    public boolean canBeForceHidden(WindowState win, WindowManager.LayoutParams attrs) {
1416        return attrs.type != WindowManager.LayoutParams.TYPE_STATUS_BAR
1417                && attrs.type != WindowManager.LayoutParams.TYPE_NAVIGATION_BAR
1418                && attrs.type != WindowManager.LayoutParams.TYPE_WALLPAPER
1419                && attrs.type != WindowManager.LayoutParams.TYPE_UNIVERSE_BACKGROUND;
1420    }
1421
1422    /** {@inheritDoc} */
1423    @Override
1424    public View addStartingWindow(IBinder appToken, String packageName, int theme,
1425            CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes,
1426            int icon, int windowFlags) {
1427        if (!SHOW_STARTING_ANIMATIONS) {
1428            return null;
1429        }
1430        if (packageName == null) {
1431            return null;
1432        }
1433
1434        try {
1435            Context context = mContext;
1436            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow " + packageName
1437                    + ": nonLocalizedLabel=" + nonLocalizedLabel + " theme="
1438                    + Integer.toHexString(theme));
1439            if (theme != context.getThemeResId() || labelRes != 0) {
1440                try {
1441                    context = context.createPackageContext(packageName, 0);
1442                    context.setTheme(theme);
1443                } catch (PackageManager.NameNotFoundException e) {
1444                    // Ignore
1445                }
1446            }
1447
1448            Window win = PolicyManager.makeNewWindow(context);
1449            final TypedArray ta = win.getWindowStyle();
1450            if (ta.getBoolean(
1451                        com.android.internal.R.styleable.Window_windowDisablePreview, false)
1452                || ta.getBoolean(
1453                        com.android.internal.R.styleable.Window_windowShowWallpaper,false)) {
1454                return null;
1455            }
1456
1457            Resources r = context.getResources();
1458            win.setTitle(r.getText(labelRes, nonLocalizedLabel));
1459
1460            win.setType(
1461                WindowManager.LayoutParams.TYPE_APPLICATION_STARTING);
1462            // Force the window flags: this is a fake window, so it is not really
1463            // touchable or focusable by the user.  We also add in the ALT_FOCUSABLE_IM
1464            // flag because we do know that the next window will take input
1465            // focus, so we want to get the IME window up on top of us right away.
1466            win.setFlags(
1467                windowFlags|
1468                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
1469                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
1470                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
1471                windowFlags|
1472                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
1473                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
1474                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
1475
1476            if (!compatInfo.supportsScreen()) {
1477                win.addFlags(WindowManager.LayoutParams.FLAG_COMPATIBLE_WINDOW);
1478            }
1479
1480            win.setLayout(WindowManager.LayoutParams.MATCH_PARENT,
1481                    WindowManager.LayoutParams.MATCH_PARENT);
1482
1483            final WindowManager.LayoutParams params = win.getAttributes();
1484            params.token = appToken;
1485            params.packageName = packageName;
1486            params.windowAnimations = win.getWindowStyle().getResourceId(
1487                    com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
1488            params.privateFlags |=
1489                    WindowManager.LayoutParams.PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED;
1490            params.setTitle("Starting " + packageName);
1491
1492            WindowManager wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
1493            View view = win.getDecorView();
1494
1495            if (win.isFloating()) {
1496                // Whoops, there is no way to display an animation/preview
1497                // of such a thing!  After all that work...  let's skip it.
1498                // (Note that we must do this here because it is in
1499                // getDecorView() where the theme is evaluated...  maybe
1500                // we should peek the floating attribute from the theme
1501                // earlier.)
1502                return null;
1503            }
1504
1505            if (DEBUG_STARTING_WINDOW) Slog.d(
1506                TAG, "Adding starting window for " + packageName
1507                + " / " + appToken + ": "
1508                + (view.getParent() != null ? view : null));
1509
1510            wm.addView(view, params);
1511
1512            // Only return the view if it was successfully added to the
1513            // window manager... which we can tell by it having a parent.
1514            return view.getParent() != null ? view : null;
1515        } catch (WindowManager.BadTokenException e) {
1516            // ignore
1517            Log.w(TAG, appToken + " already running, starting window not displayed");
1518        } catch (RuntimeException e) {
1519            // don't crash if something else bad happens, for example a
1520            // failure loading resources because we are loading from an app
1521            // on external storage that has been unmounted.
1522            Log.w(TAG, appToken + " failed creating starting window", e);
1523        }
1524
1525        return null;
1526    }
1527
1528    /** {@inheritDoc} */
1529    public void removeStartingWindow(IBinder appToken, View window) {
1530        if (DEBUG_STARTING_WINDOW) {
1531            RuntimeException e = new RuntimeException("here");
1532            e.fillInStackTrace();
1533            Log.v(TAG, "Removing starting window for " + appToken + ": " + window, e);
1534        }
1535
1536        if (window != null) {
1537            WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
1538            wm.removeView(window);
1539        }
1540    }
1541
1542    /**
1543     * Preflight adding a window to the system.
1544     *
1545     * Currently enforces that three window types are singletons:
1546     * <ul>
1547     * <li>STATUS_BAR_TYPE</li>
1548     * <li>KEYGUARD_TYPE</li>
1549     * </ul>
1550     *
1551     * @param win The window to be added
1552     * @param attrs Information about the window to be added
1553     *
1554     * @return If ok, WindowManagerImpl.ADD_OKAY.  If too many singletons,
1555     * WindowManagerImpl.ADD_MULTIPLE_SINGLETON
1556     */
1557    public int prepareAddWindowLw(WindowState win, WindowManager.LayoutParams attrs) {
1558        switch (attrs.type) {
1559            case TYPE_STATUS_BAR:
1560                mContext.enforceCallingOrSelfPermission(
1561                        android.Manifest.permission.STATUS_BAR_SERVICE,
1562                        "PhoneWindowManager");
1563                if (mStatusBar != null) {
1564                    if (mStatusBar.isAlive()) {
1565                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
1566                    }
1567                }
1568                mStatusBar = win;
1569                break;
1570            case TYPE_NAVIGATION_BAR:
1571                mContext.enforceCallingOrSelfPermission(
1572                        android.Manifest.permission.STATUS_BAR_SERVICE,
1573                        "PhoneWindowManager");
1574                if (mNavigationBar != null) {
1575                    if (mNavigationBar.isAlive()) {
1576                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
1577                    }
1578                }
1579                mNavigationBar = win;
1580                if (DEBUG_LAYOUT) Log.i(TAG, "NAVIGATION BAR: " + mNavigationBar);
1581                break;
1582            case TYPE_NAVIGATION_BAR_PANEL:
1583                mContext.enforceCallingOrSelfPermission(
1584                        android.Manifest.permission.STATUS_BAR_SERVICE,
1585                        "PhoneWindowManager");
1586                break;
1587            case TYPE_STATUS_BAR_PANEL:
1588                mContext.enforceCallingOrSelfPermission(
1589                        android.Manifest.permission.STATUS_BAR_SERVICE,
1590                        "PhoneWindowManager");
1591                break;
1592            case TYPE_STATUS_BAR_SUB_PANEL:
1593                mContext.enforceCallingOrSelfPermission(
1594                        android.Manifest.permission.STATUS_BAR_SERVICE,
1595                        "PhoneWindowManager");
1596                break;
1597            case TYPE_KEYGUARD:
1598                if (mKeyguard != null) {
1599                    return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
1600                }
1601                mKeyguard = win;
1602                break;
1603        }
1604        return WindowManagerGlobal.ADD_OKAY;
1605    }
1606
1607    /** {@inheritDoc} */
1608    public void removeWindowLw(WindowState win) {
1609        if (mStatusBar == win) {
1610            mStatusBar = null;
1611        } else if (mKeyguard == win) {
1612            mKeyguard = null;
1613        } else if (mNavigationBar == win) {
1614            mNavigationBar = null;
1615        }
1616    }
1617
1618    static final boolean PRINT_ANIM = false;
1619
1620    /** {@inheritDoc} */
1621    public int selectAnimationLw(WindowState win, int transit) {
1622        if (PRINT_ANIM) Log.i(TAG, "selectAnimation in " + win
1623              + ": transit=" + transit);
1624        if (win == mStatusBar) {
1625            if (transit == TRANSIT_EXIT || transit == TRANSIT_HIDE) {
1626                return R.anim.dock_top_exit;
1627            } else if (transit == TRANSIT_ENTER || transit == TRANSIT_SHOW) {
1628                return R.anim.dock_top_enter;
1629            }
1630        } else if (win == mNavigationBar) {
1631            // This can be on either the bottom or the right.
1632            if (mNavigationBarOnBottom) {
1633                if (transit == TRANSIT_EXIT || transit == TRANSIT_HIDE) {
1634                    return R.anim.dock_bottom_exit;
1635                } else if (transit == TRANSIT_ENTER || transit == TRANSIT_SHOW) {
1636                    return R.anim.dock_bottom_enter;
1637                }
1638            } else {
1639                if (transit == TRANSIT_EXIT || transit == TRANSIT_HIDE) {
1640                    return R.anim.dock_right_exit;
1641                } else if (transit == TRANSIT_ENTER || transit == TRANSIT_SHOW) {
1642                    return R.anim.dock_right_enter;
1643                }
1644            }
1645        } if (transit == TRANSIT_PREVIEW_DONE) {
1646            if (win.hasAppShownWindows()) {
1647                if (PRINT_ANIM) Log.i(TAG, "**** STARTING EXIT");
1648                return com.android.internal.R.anim.app_starting_exit;
1649            }
1650        }
1651
1652        return 0;
1653    }
1654
1655    public Animation createForceHideEnterAnimation(boolean onWallpaper) {
1656        return AnimationUtils.loadAnimation(mContext, onWallpaper
1657                ? com.android.internal.R.anim.lock_screen_wallpaper_behind_enter
1658                : com.android.internal.R.anim.lock_screen_behind_enter);
1659    }
1660
1661    static ITelephony getTelephonyService() {
1662        return ITelephony.Stub.asInterface(
1663                ServiceManager.checkService(Context.TELEPHONY_SERVICE));
1664    }
1665
1666    static IAudioService getAudioService() {
1667        IAudioService audioService = IAudioService.Stub.asInterface(
1668                ServiceManager.checkService(Context.AUDIO_SERVICE));
1669        if (audioService == null) {
1670            Log.w(TAG, "Unable to find IAudioService interface.");
1671        }
1672        return audioService;
1673    }
1674
1675    boolean keyguardOn() {
1676        return keyguardIsShowingTq() || inKeyguardRestrictedKeyInputMode();
1677    }
1678
1679    private static final int[] WINDOW_TYPES_WHERE_HOME_DOESNT_WORK = {
1680            WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
1681            WindowManager.LayoutParams.TYPE_SYSTEM_ERROR,
1682        };
1683
1684    /** {@inheritDoc} */
1685    @Override
1686    public long interceptKeyBeforeDispatching(WindowState win, KeyEvent event, int policyFlags) {
1687        final boolean keyguardOn = keyguardOn();
1688        final int keyCode = event.getKeyCode();
1689        final int repeatCount = event.getRepeatCount();
1690        final int metaState = event.getMetaState();
1691        final int flags = event.getFlags();
1692        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
1693        final boolean canceled = event.isCanceled();
1694
1695        if (DEBUG_INPUT) {
1696            Log.d(TAG, "interceptKeyTi keyCode=" + keyCode + " down=" + down + " repeatCount="
1697                    + repeatCount + " keyguardOn=" + keyguardOn + " mHomePressed=" + mHomePressed
1698                    + " canceled=" + canceled);
1699        }
1700
1701        // If we think we might have a volume down & power key chord on the way
1702        // but we're not sure, then tell the dispatcher to wait a little while and
1703        // try again later before dispatching.
1704        if (mScreenshotChordEnabled && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
1705            if (mVolumeDownKeyTriggered && !mPowerKeyTriggered) {
1706                final long now = SystemClock.uptimeMillis();
1707                final long timeoutTime = mVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
1708                if (now < timeoutTime) {
1709                    return timeoutTime - now;
1710                }
1711            }
1712            if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
1713                    && mVolumeDownKeyConsumedByScreenshotChord) {
1714                if (!down) {
1715                    mVolumeDownKeyConsumedByScreenshotChord = false;
1716                }
1717                return -1;
1718            }
1719        }
1720
1721        // First we always handle the home key here, so applications
1722        // can never break it, although if keyguard is on, we do let
1723        // it handle it, because that gives us the correct 5 second
1724        // timeout.
1725        if (keyCode == KeyEvent.KEYCODE_HOME) {
1726
1727            // If we have released the home key, and didn't do anything else
1728            // while it was pressed, then it is time to go home!
1729            if (!down) {
1730                final boolean homeWasLongPressed = mHomeLongPressed;
1731                mHomePressed = false;
1732                mHomeLongPressed = false;
1733                if (!homeWasLongPressed) {
1734                    if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI) {
1735                        try {
1736                            IStatusBarService statusbar = getStatusBarService();
1737                            if (statusbar != null) {
1738                                statusbar.cancelPreloadRecentApps();
1739                            }
1740                        } catch (RemoteException e) {
1741                            Slog.e(TAG, "RemoteException when showing recent apps", e);
1742                            // re-acquire status bar service next time it is needed.
1743                            mStatusBarService = null;
1744                        }
1745                    }
1746
1747                    mHomePressed = false;
1748                    if (!canceled) {
1749                        // If an incoming call is ringing, HOME is totally disabled.
1750                        // (The user is already on the InCallScreen at this point,
1751                        // and his ONLY options are to answer or reject the call.)
1752                        boolean incomingRinging = false;
1753                        try {
1754                            ITelephony telephonyService = getTelephonyService();
1755                            if (telephonyService != null) {
1756                                incomingRinging = telephonyService.isRinging();
1757                            }
1758                        } catch (RemoteException ex) {
1759                            Log.w(TAG, "RemoteException from getPhoneInterface()", ex);
1760                        }
1761
1762                        if (incomingRinging) {
1763                            Log.i(TAG, "Ignoring HOME; there's a ringing incoming call.");
1764                        } else {
1765                            launchHomeFromHotKey();
1766                        }
1767                    } else {
1768                        Log.i(TAG, "Ignoring HOME; event canceled.");
1769                    }
1770                    return -1;
1771                }
1772            }
1773
1774            // If a system window has focus, then it doesn't make sense
1775            // right now to interact with applications.
1776            WindowManager.LayoutParams attrs = win != null ? win.getAttrs() : null;
1777            if (attrs != null) {
1778                final int type = attrs.type;
1779                if (type == WindowManager.LayoutParams.TYPE_KEYGUARD
1780                        || type == WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG) {
1781                    // the "app" is keyguard, so give it the key
1782                    return 0;
1783                }
1784                final int typeCount = WINDOW_TYPES_WHERE_HOME_DOESNT_WORK.length;
1785                for (int i=0; i<typeCount; i++) {
1786                    if (type == WINDOW_TYPES_WHERE_HOME_DOESNT_WORK[i]) {
1787                        // don't do anything, but also don't pass it to the app
1788                        return -1;
1789                    }
1790                }
1791            }
1792            if (down) {
1793                if (!mHomePressed && mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI) {
1794                    try {
1795                        IStatusBarService statusbar = getStatusBarService();
1796                        if (statusbar != null) {
1797                            statusbar.preloadRecentApps();
1798                        }
1799                    } catch (RemoteException e) {
1800                        Slog.e(TAG, "RemoteException when preloading recent apps", e);
1801                        // re-acquire status bar service next time it is needed.
1802                        mStatusBarService = null;
1803                    }
1804                }
1805                if (repeatCount == 0) {
1806                    mHomePressed = true;
1807                } else if ((event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) {
1808                    if (!keyguardOn) {
1809                        handleLongPressOnHome();
1810                    }
1811                }
1812            }
1813            return -1;
1814        } else if (keyCode == KeyEvent.KEYCODE_MENU) {
1815            // Hijack modified menu keys for debugging features
1816            final int chordBug = KeyEvent.META_SHIFT_ON;
1817
1818            if (down && repeatCount == 0) {
1819                if (mEnableShiftMenuBugReports && (metaState & chordBug) == chordBug) {
1820                    Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
1821                    mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT,
1822                            null, null, null, 0, null, null);
1823                    return -1;
1824                } else if (SHOW_PROCESSES_ON_ALT_MENU &&
1825                        (metaState & KeyEvent.META_ALT_ON) == KeyEvent.META_ALT_ON) {
1826                    Intent service = new Intent();
1827                    service.setClassName(mContext, "com.android.server.LoadAverageService");
1828                    ContentResolver res = mContext.getContentResolver();
1829                    boolean shown = Settings.System.getInt(
1830                            res, Settings.System.SHOW_PROCESSES, 0) != 0;
1831                    if (!shown) {
1832                        mContext.startService(service);
1833                    } else {
1834                        mContext.stopService(service);
1835                    }
1836                    Settings.System.putInt(
1837                            res, Settings.System.SHOW_PROCESSES, shown ? 0 : 1);
1838                    return -1;
1839                }
1840            }
1841        } else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
1842            if (down) {
1843                if (repeatCount == 0) {
1844                    mSearchKeyShortcutPending = true;
1845                    mConsumeSearchKeyUp = false;
1846                }
1847            } else {
1848                mSearchKeyShortcutPending = false;
1849                if (mConsumeSearchKeyUp) {
1850                    mConsumeSearchKeyUp = false;
1851                    return -1;
1852                }
1853            }
1854            return 0;
1855        } else if (keyCode == KeyEvent.KEYCODE_APP_SWITCH) {
1856            if (down && repeatCount == 0 && !keyguardOn) {
1857                showOrHideRecentAppsDialog(RECENT_APPS_BEHAVIOR_SHOW_OR_DISMISS);
1858            }
1859            return -1;
1860        } else if (keyCode == KeyEvent.KEYCODE_ASSIST) {
1861            if (down) {
1862                if (repeatCount == 0) {
1863                    mAssistKeyLongPressed = false;
1864                } else if (repeatCount == 1) {
1865                    mAssistKeyLongPressed = true;
1866                    if (!keyguardOn) {
1867                         launchAssistLongPressAction();
1868                    }
1869                }
1870            } else {
1871                if (mAssistKeyLongPressed) {
1872                    mAssistKeyLongPressed = false;
1873                } else {
1874                    if (!keyguardOn) {
1875                        launchAssistAction();
1876                    }
1877                }
1878            }
1879            return -1;
1880        }
1881
1882        // Shortcuts are invoked through Search+key, so intercept those here
1883        // Any printing key that is chorded with Search should be consumed
1884        // even if no shortcut was invoked.  This prevents text from being
1885        // inadvertently inserted when using a keyboard that has built-in macro
1886        // shortcut keys (that emit Search+x) and some of them are not registered.
1887        if (mSearchKeyShortcutPending) {
1888            final KeyCharacterMap kcm = event.getKeyCharacterMap();
1889            if (kcm.isPrintingKey(keyCode)) {
1890                mConsumeSearchKeyUp = true;
1891                mSearchKeyShortcutPending = false;
1892                if (down && repeatCount == 0 && !keyguardOn) {
1893                    Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState);
1894                    if (shortcutIntent != null) {
1895                        shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1896                        try {
1897                            mContext.startActivity(shortcutIntent);
1898                        } catch (ActivityNotFoundException ex) {
1899                            Slog.w(TAG, "Dropping shortcut key combination because "
1900                                    + "the activity to which it is registered was not found: "
1901                                    + "SEARCH+" + KeyEvent.keyCodeToString(keyCode), ex);
1902                        }
1903                    } else {
1904                        Slog.i(TAG, "Dropping unregistered shortcut key combination: "
1905                                + "SEARCH+" + KeyEvent.keyCodeToString(keyCode));
1906                    }
1907                }
1908                return -1;
1909            }
1910        }
1911
1912        // Invoke shortcuts using Meta.
1913        if (down && repeatCount == 0 && !keyguardOn
1914                && (metaState & KeyEvent.META_META_ON) != 0) {
1915            final KeyCharacterMap kcm = event.getKeyCharacterMap();
1916            if (kcm.isPrintingKey(keyCode)) {
1917                Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode,
1918                        metaState & ~(KeyEvent.META_META_ON
1919                                | KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_RIGHT_ON));
1920                if (shortcutIntent != null) {
1921                    shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1922                    try {
1923                        mContext.startActivity(shortcutIntent);
1924                    } catch (ActivityNotFoundException ex) {
1925                        Slog.w(TAG, "Dropping shortcut key combination because "
1926                                + "the activity to which it is registered was not found: "
1927                                + "META+" + KeyEvent.keyCodeToString(keyCode), ex);
1928                    }
1929                    return -1;
1930                }
1931            }
1932        }
1933
1934        // Handle application launch keys.
1935        if (down && repeatCount == 0 && !keyguardOn) {
1936            String category = sApplicationLaunchKeyCategories.get(keyCode);
1937            if (category != null) {
1938                Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, category);
1939                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1940                try {
1941                    mContext.startActivity(intent);
1942                } catch (ActivityNotFoundException ex) {
1943                    Slog.w(TAG, "Dropping application launch key because "
1944                            + "the activity to which it is registered was not found: "
1945                            + "keyCode=" + keyCode + ", category=" + category, ex);
1946                }
1947                return -1;
1948            }
1949        }
1950
1951        // Display task switcher for ALT-TAB or Meta-TAB.
1952        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_TAB) {
1953            if (mRecentAppsDialogHeldModifiers == 0 && !keyguardOn) {
1954                final int shiftlessModifiers = event.getModifiers() & ~KeyEvent.META_SHIFT_MASK;
1955                if (KeyEvent.metaStateHasModifiers(shiftlessModifiers, KeyEvent.META_ALT_ON)
1956                        || KeyEvent.metaStateHasModifiers(
1957                                shiftlessModifiers, KeyEvent.META_META_ON)) {
1958                    mRecentAppsDialogHeldModifiers = shiftlessModifiers;
1959                    showOrHideRecentAppsDialog(RECENT_APPS_BEHAVIOR_EXIT_TOUCH_MODE_AND_SHOW);
1960                    return -1;
1961                }
1962            }
1963        } else if (!down && mRecentAppsDialogHeldModifiers != 0
1964                && (metaState & mRecentAppsDialogHeldModifiers) == 0) {
1965            mRecentAppsDialogHeldModifiers = 0;
1966            showOrHideRecentAppsDialog(keyguardOn ? RECENT_APPS_BEHAVIOR_DISMISS :
1967                    RECENT_APPS_BEHAVIOR_DISMISS_AND_SWITCH);
1968        }
1969
1970        // Handle keyboard language switching.
1971        if (down && repeatCount == 0
1972                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
1973                        || (keyCode == KeyEvent.KEYCODE_SPACE
1974                                && (metaState & KeyEvent.META_CTRL_MASK) != 0))) {
1975            int direction = (metaState & KeyEvent.META_SHIFT_MASK) != 0 ? -1 : 1;
1976            mWindowManagerFuncs.switchKeyboardLayout(event.getDeviceId(), direction);
1977            return -1;
1978        }
1979        if (mLanguageSwitchKeyPressed && !down
1980                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
1981                        || keyCode == KeyEvent.KEYCODE_SPACE)) {
1982            mLanguageSwitchKeyPressed = false;
1983            return -1;
1984        }
1985
1986        // Let the application handle the key.
1987        return 0;
1988    }
1989
1990    /** {@inheritDoc} */
1991    @Override
1992    public KeyEvent dispatchUnhandledKey(WindowState win, KeyEvent event, int policyFlags) {
1993        // Note: This method is only called if the initial down was unhandled.
1994        if (DEBUG_INPUT) {
1995            Slog.d(TAG, "Unhandled key: win=" + win + ", action=" + event.getAction()
1996                    + ", flags=" + event.getFlags()
1997                    + ", keyCode=" + event.getKeyCode()
1998                    + ", scanCode=" + event.getScanCode()
1999                    + ", metaState=" + event.getMetaState()
2000                    + ", repeatCount=" + event.getRepeatCount()
2001                    + ", policyFlags=" + policyFlags);
2002        }
2003
2004        KeyEvent fallbackEvent = null;
2005        if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
2006            final KeyCharacterMap kcm = event.getKeyCharacterMap();
2007            final int keyCode = event.getKeyCode();
2008            final int metaState = event.getMetaState();
2009            final boolean initialDown = event.getAction() == KeyEvent.ACTION_DOWN
2010                    && event.getRepeatCount() == 0;
2011
2012            // Check for fallback actions specified by the key character map.
2013            final FallbackAction fallbackAction;
2014            if (initialDown) {
2015                fallbackAction = kcm.getFallbackAction(keyCode, metaState);
2016            } else {
2017                fallbackAction = mFallbackActions.get(keyCode);
2018            }
2019
2020            if (fallbackAction != null) {
2021                if (DEBUG_INPUT) {
2022                    Slog.d(TAG, "Fallback: keyCode=" + fallbackAction.keyCode
2023                            + " metaState=" + Integer.toHexString(fallbackAction.metaState));
2024                }
2025
2026                final int flags = event.getFlags() | KeyEvent.FLAG_FALLBACK;
2027                fallbackEvent = KeyEvent.obtain(
2028                        event.getDownTime(), event.getEventTime(),
2029                        event.getAction(), fallbackAction.keyCode,
2030                        event.getRepeatCount(), fallbackAction.metaState,
2031                        event.getDeviceId(), event.getScanCode(),
2032                        flags, event.getSource(), null);
2033
2034                if (!interceptFallback(win, fallbackEvent, policyFlags)) {
2035                    fallbackEvent.recycle();
2036                    fallbackEvent = null;
2037                }
2038
2039                if (initialDown) {
2040                    mFallbackActions.put(keyCode, fallbackAction);
2041                } else if (event.getAction() == KeyEvent.ACTION_UP) {
2042                    mFallbackActions.remove(keyCode);
2043                    fallbackAction.recycle();
2044                }
2045            }
2046        }
2047
2048        if (DEBUG_INPUT) {
2049            if (fallbackEvent == null) {
2050                Slog.d(TAG, "No fallback.");
2051            } else {
2052                Slog.d(TAG, "Performing fallback: " + fallbackEvent);
2053            }
2054        }
2055        return fallbackEvent;
2056    }
2057
2058    private boolean interceptFallback(WindowState win, KeyEvent fallbackEvent, int policyFlags) {
2059        int actions = interceptKeyBeforeQueueing(fallbackEvent, policyFlags, true);
2060        if ((actions & ACTION_PASS_TO_USER) != 0) {
2061            long delayMillis = interceptKeyBeforeDispatching(
2062                    win, fallbackEvent, policyFlags);
2063            if (delayMillis == 0) {
2064                return true;
2065            }
2066        }
2067        return false;
2068    }
2069
2070    private void launchAssistLongPressAction() {
2071        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
2072        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
2073
2074        // launch the search activity
2075        Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
2076        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2077        try {
2078            // TODO: This only stops the factory-installed search manager.
2079            // Need to formalize an API to handle others
2080            SearchManager searchManager = getSearchManager();
2081            if (searchManager != null) {
2082                searchManager.stopSearch();
2083            }
2084            mContext.startActivityAsUser(intent, new UserHandle(UserHandle.USER_CURRENT));
2085        } catch (ActivityNotFoundException e) {
2086            Slog.w(TAG, "No activity to handle assist long press action.", e);
2087        }
2088    }
2089
2090    private void launchAssistAction() {
2091        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
2092        Intent intent = ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
2093                .getAssistIntent(mContext, UserHandle.USER_CURRENT);
2094        if (intent != null) {
2095            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
2096                    | Intent.FLAG_ACTIVITY_SINGLE_TOP
2097                    | Intent.FLAG_ACTIVITY_CLEAR_TOP);
2098            try {
2099                mContext.startActivityAsUser(intent, new UserHandle(UserHandle.USER_CURRENT));
2100            } catch (ActivityNotFoundException e) {
2101                Slog.w(TAG, "No activity to handle assist action.", e);
2102            }
2103        }
2104    }
2105
2106    private SearchManager getSearchManager() {
2107        if (mSearchManager == null) {
2108            mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
2109        }
2110        return mSearchManager;
2111    }
2112
2113    /**
2114     * A home key -> launch home action was detected.  Take the appropriate action
2115     * given the situation with the keyguard.
2116     */
2117    void launchHomeFromHotKey() {
2118        if (mKeyguardMediator != null && mKeyguardMediator.isShowingAndNotHidden()) {
2119            // don't launch home if keyguard showing
2120        } else if (!mHideLockScreen && mKeyguardMediator.isInputRestricted()) {
2121            // when in keyguard restricted mode, must first verify unlock
2122            // before launching home
2123            mKeyguardMediator.verifyUnlock(new OnKeyguardExitResult() {
2124                public void onKeyguardExitResult(boolean success) {
2125                    if (success) {
2126                        try {
2127                            ActivityManagerNative.getDefault().stopAppSwitches();
2128                        } catch (RemoteException e) {
2129                        }
2130                        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
2131                        startDockOrHome();
2132                    }
2133                }
2134            });
2135        } else {
2136            // no keyguard stuff to worry about, just launch home!
2137            try {
2138                ActivityManagerNative.getDefault().stopAppSwitches();
2139            } catch (RemoteException e) {
2140            }
2141            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
2142            startDockOrHome();
2143        }
2144    }
2145
2146    /**
2147     * A delayed callback use to determine when it is okay to re-allow applications
2148     * to use certain system UI flags.  This is used to prevent applications from
2149     * spamming system UI changes that prevent the navigation bar from being shown.
2150     */
2151    final Runnable mAllowSystemUiDelay = new Runnable() {
2152        @Override public void run() {
2153        }
2154    };
2155
2156    /**
2157     * Input handler used while nav bar is hidden.  Captures any touch on the screen,
2158     * to determine when the nav bar should be shown and prevent applications from
2159     * receiving those touches.
2160     */
2161    final class HideNavInputEventReceiver extends InputEventReceiver {
2162        public HideNavInputEventReceiver(InputChannel inputChannel, Looper looper) {
2163            super(inputChannel, looper);
2164        }
2165
2166        @Override
2167        public void onInputEvent(InputEvent event) {
2168            boolean handled = false;
2169            try {
2170                if (event instanceof MotionEvent
2171                        && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
2172                    final MotionEvent motionEvent = (MotionEvent)event;
2173                    if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
2174                        // When the user taps down, we re-show the nav bar.
2175                        boolean changed = false;
2176                        synchronized (mLock) {
2177                            // Any user activity always causes us to show the
2178                            // navigation controls, if they had been hidden.
2179                            // We also clear the low profile and only content
2180                            // flags so that tapping on the screen will atomically
2181                            // restore all currently hidden screen decorations.
2182                            int newVal = mResettingSystemUiFlags |
2183                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
2184                                    View.SYSTEM_UI_FLAG_LOW_PROFILE |
2185                                    View.SYSTEM_UI_FLAG_FULLSCREEN;
2186                            if (mResettingSystemUiFlags != newVal) {
2187                                mResettingSystemUiFlags = newVal;
2188                                changed = true;
2189                            }
2190                            // We don't allow the system's nav bar to be hidden
2191                            // again for 1 second, to prevent applications from
2192                            // spamming us and keeping it from being shown.
2193                            newVal = mForceClearedSystemUiFlags |
2194                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
2195                            if (mForceClearedSystemUiFlags != newVal) {
2196                                mForceClearedSystemUiFlags = newVal;
2197                                changed = true;
2198                                mHandler.postDelayed(new Runnable() {
2199                                    @Override public void run() {
2200                                        synchronized (mLock) {
2201                                            // Clear flags.
2202                                            mForceClearedSystemUiFlags &=
2203                                                    ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
2204                                        }
2205                                        mWindowManagerFuncs.reevaluateStatusBarVisibility();
2206                                    }
2207                                }, 1000);
2208                            }
2209                        }
2210                        if (changed) {
2211                            mWindowManagerFuncs.reevaluateStatusBarVisibility();
2212                        }
2213                    }
2214                }
2215            } finally {
2216                finishInputEvent(event, handled);
2217            }
2218        }
2219    }
2220    final InputEventReceiver.Factory mHideNavInputEventReceiverFactory =
2221            new InputEventReceiver.Factory() {
2222        @Override
2223        public InputEventReceiver createInputEventReceiver(
2224                InputChannel inputChannel, Looper looper) {
2225            return new HideNavInputEventReceiver(inputChannel, looper);
2226        }
2227    };
2228
2229    @Override
2230    public int adjustSystemUiVisibilityLw(int visibility) {
2231        // Reset any bits in mForceClearingStatusBarVisibility that
2232        // are now clear.
2233        mResettingSystemUiFlags &= visibility;
2234        // Clear any bits in the new visibility that are currently being
2235        // force cleared, before reporting it.
2236        return visibility & ~mResettingSystemUiFlags
2237                & ~mForceClearedSystemUiFlags;
2238    }
2239
2240    @Override
2241    public void getContentInsetHintLw(WindowManager.LayoutParams attrs, Rect contentInset) {
2242        final int fl = attrs.flags;
2243        final int systemUiVisibility = (attrs.systemUiVisibility|attrs.subtreeSystemUiVisibility);
2244
2245        if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
2246                == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
2247            int availRight, availBottom;
2248            if (mCanHideNavigationBar &&
2249                    (systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0) {
2250                availRight = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
2251                availBottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
2252            } else {
2253                availRight = mRestrictedScreenLeft + mRestrictedScreenWidth;
2254                availBottom = mRestrictedScreenTop + mRestrictedScreenHeight;
2255            }
2256            if ((systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
2257                if ((fl & FLAG_FULLSCREEN) != 0) {
2258                    contentInset.set(mStableFullscreenLeft, mStableFullscreenTop,
2259                            availRight - mStableFullscreenRight,
2260                            availBottom - mStableFullscreenBottom);
2261                } else {
2262                    contentInset.set(mStableLeft, mStableTop,
2263                            availRight - mStableRight, availBottom - mStableBottom);
2264                }
2265            } else if ((fl & FLAG_FULLSCREEN) != 0) {
2266                contentInset.setEmpty();
2267            } else if ((systemUiVisibility & (View.SYSTEM_UI_FLAG_FULLSCREEN
2268                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)) == 0) {
2269                contentInset.set(mCurLeft, mCurTop,
2270                        availRight - mCurRight, availBottom - mCurBottom);
2271            } else {
2272                contentInset.set(mCurLeft, mCurTop,
2273                        availRight - mCurRight, availBottom - mCurBottom);
2274            }
2275            return;
2276        }
2277        contentInset.setEmpty();
2278    }
2279
2280    /** {@inheritDoc} */
2281    @Override
2282    public void beginLayoutLw(boolean isDefaultDisplay, int displayWidth, int displayHeight,
2283                              int displayRotation) {
2284        mUnrestrictedScreenLeft = mUnrestrictedScreenTop = 0;
2285        mUnrestrictedScreenWidth = displayWidth;
2286        mUnrestrictedScreenHeight = displayHeight;
2287        mRestrictedScreenLeft = mRestrictedScreenTop = 0;
2288        mRestrictedScreenWidth = displayWidth;
2289        mRestrictedScreenHeight = displayHeight;
2290        mDockLeft = mContentLeft = mStableLeft = mStableFullscreenLeft
2291                = mSystemLeft = mCurLeft = 0;
2292        mDockTop = mContentTop = mStableTop = mStableFullscreenTop
2293                = mSystemTop = mCurTop = 0;
2294        mDockRight = mContentRight = mStableRight = mStableFullscreenRight
2295                = mSystemRight = mCurRight = displayWidth;
2296        mDockBottom = mContentBottom = mStableBottom = mStableFullscreenBottom
2297                = mSystemBottom = mCurBottom = displayHeight;
2298        mDockLayer = 0x10000000;
2299        mStatusBarLayer = -1;
2300
2301        // start with the current dock rect, which will be (0,0,displayWidth,displayHeight)
2302        final Rect pf = mTmpParentFrame;
2303        final Rect df = mTmpDisplayFrame;
2304        final Rect vf = mTmpVisibleFrame;
2305        pf.left = df.left = vf.left = mDockLeft;
2306        pf.top = df.top = vf.top = mDockTop;
2307        pf.right = df.right = vf.right = mDockRight;
2308        pf.bottom = df.bottom = vf.bottom = mDockBottom;
2309
2310        if (isDefaultDisplay) {
2311            // For purposes of putting out fake window up to steal focus, we will
2312            // drive nav being hidden only by whether it is requested.
2313            boolean navVisible = (mLastSystemUiFlags&View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0;
2314
2315            // When the navigation bar isn't visible, we put up a fake
2316            // input window to catch all touch events.  This way we can
2317            // detect when the user presses anywhere to bring back the nav
2318            // bar and ensure the application doesn't see the event.
2319            if (navVisible) {
2320                if (mHideNavFakeWindow != null) {
2321                    mHideNavFakeWindow.dismiss();
2322                    mHideNavFakeWindow = null;
2323                }
2324            } else if (mHideNavFakeWindow == null) {
2325                mHideNavFakeWindow = mWindowManagerFuncs.addFakeWindow(
2326                        mHandler.getLooper(), mHideNavInputEventReceiverFactory,
2327                        "hidden nav", WindowManager.LayoutParams.TYPE_HIDDEN_NAV_CONSUMER,
2328                        0, false, false, true);
2329            }
2330
2331            // For purposes of positioning and showing the nav bar, if we have
2332            // decided that it can't be hidden (because of the screen aspect ratio),
2333            // then take that into account.
2334            navVisible |= !mCanHideNavigationBar;
2335
2336            if (mNavigationBar != null) {
2337                // Force the navigation bar to its appropriate place and
2338                // size.  We need to do this directly, instead of relying on
2339                // it to bubble up from the nav bar, because this needs to
2340                // change atomically with screen rotations.
2341                mNavigationBarOnBottom = (!mNavigationBarCanMove || displayWidth < displayHeight);
2342                if (mNavigationBarOnBottom) {
2343                    // It's a system nav bar or a portrait screen; nav bar goes on bottom.
2344                    int top = displayHeight - mNavigationBarHeightForRotation[displayRotation];
2345                    mTmpNavigationFrame.set(0, top, displayWidth, displayHeight);
2346                    mStableBottom = mStableFullscreenBottom = mTmpNavigationFrame.top;
2347                    if (navVisible) {
2348                        mNavigationBar.showLw(true);
2349                        mDockBottom = mTmpNavigationFrame.top;
2350                        mRestrictedScreenHeight = mDockBottom - mDockTop;
2351                    } else {
2352                        // We currently want to hide the navigation UI.
2353                        mNavigationBar.hideLw(true);
2354                    }
2355                    if (navVisible && !mNavigationBar.isAnimatingLw()) {
2356                        // If the nav bar is currently requested to be visible,
2357                        // and not in the process of animating on or off, then
2358                        // we can tell the app that it is covered by it.
2359                        mSystemBottom = mTmpNavigationFrame.top;
2360                    }
2361                } else {
2362                    // Landscape screen; nav bar goes to the right.
2363                    int left = displayWidth - mNavigationBarWidthForRotation[displayRotation];
2364                    mTmpNavigationFrame.set(left, 0, displayWidth, displayHeight);
2365                    mStableRight = mStableFullscreenRight = mTmpNavigationFrame.left;
2366                    if (navVisible) {
2367                        mNavigationBar.showLw(true);
2368                        mDockRight = mTmpNavigationFrame.left;
2369                        mRestrictedScreenWidth = mDockRight - mDockLeft;
2370                    } else {
2371                        // We currently want to hide the navigation UI.
2372                        mNavigationBar.hideLw(true);
2373                    }
2374                    if (navVisible && !mNavigationBar.isAnimatingLw()) {
2375                        // If the nav bar is currently requested to be visible,
2376                        // and not in the process of animating on or off, then
2377                        // we can tell the app that it is covered by it.
2378                        mSystemRight = mTmpNavigationFrame.left;
2379                    }
2380                }
2381                // Make sure the content and current rectangles are updated to
2382                // account for the restrictions from the navigation bar.
2383                mContentTop = mCurTop = mDockTop;
2384                mContentBottom = mCurBottom = mDockBottom;
2385                mContentLeft = mCurLeft = mDockLeft;
2386                mContentRight = mCurRight = mDockRight;
2387                mStatusBarLayer = mNavigationBar.getSurfaceLayer();
2388                // And compute the final frame.
2389                mNavigationBar.computeFrameLw(mTmpNavigationFrame, mTmpNavigationFrame,
2390                        mTmpNavigationFrame, mTmpNavigationFrame);
2391                if (DEBUG_LAYOUT) Log.i(TAG, "mNavigationBar frame: " + mTmpNavigationFrame);
2392            }
2393            if (DEBUG_LAYOUT) Log.i(TAG, String.format("mDock rect: (%d,%d - %d,%d)",
2394                    mDockLeft, mDockTop, mDockRight, mDockBottom));
2395
2396            // decide where the status bar goes ahead of time
2397            if (mStatusBar != null) {
2398                // apply any navigation bar insets
2399                pf.left = df.left = mUnrestrictedScreenLeft;
2400                pf.top = df.top = mUnrestrictedScreenTop;
2401                pf.right = df.right = mUnrestrictedScreenWidth - mUnrestrictedScreenLeft;
2402                pf.bottom = df.bottom = mUnrestrictedScreenHeight - mUnrestrictedScreenTop;
2403                vf.left = mStableLeft;
2404                vf.top = mStableTop;
2405                vf.right = mStableRight;
2406                vf.bottom = mStableBottom;
2407
2408                mStatusBarLayer = mStatusBar.getSurfaceLayer();
2409
2410                // Let the status bar determine its size.
2411                mStatusBar.computeFrameLw(pf, df, vf, vf);
2412
2413                // For layout, the status bar is always at the top with our fixed height.
2414                mStableTop = mUnrestrictedScreenTop + mStatusBarHeight;
2415
2416                // If the status bar is hidden, we don't want to cause
2417                // windows behind it to scroll.
2418                if (mStatusBar.isVisibleLw()) {
2419                    // Status bar may go away, so the screen area it occupies
2420                    // is available to apps but just covering them when the
2421                    // status bar is visible.
2422                    mDockTop = mUnrestrictedScreenTop + mStatusBarHeight;
2423
2424                    mContentTop = mCurTop = mDockTop;
2425                    mContentBottom = mCurBottom = mDockBottom;
2426                    mContentLeft = mCurLeft = mDockLeft;
2427                    mContentRight = mCurRight = mDockRight;
2428
2429                    if (DEBUG_LAYOUT) Log.v(TAG, "Status bar: " +
2430                        String.format(
2431                            "dock=[%d,%d][%d,%d] content=[%d,%d][%d,%d] cur=[%d,%d][%d,%d]",
2432                            mDockLeft, mDockTop, mDockRight, mDockBottom,
2433                            mContentLeft, mContentTop, mContentRight, mContentBottom,
2434                            mCurLeft, mCurTop, mCurRight, mCurBottom));
2435                }
2436                if (mStatusBar.isVisibleLw() && !mStatusBar.isAnimatingLw()) {
2437                    // If the status bar is currently requested to be visible,
2438                    // and not in the process of animating on or off, then
2439                    // we can tell the app that it is covered by it.
2440                    mSystemTop = mUnrestrictedScreenTop + mStatusBarHeight;
2441                }
2442            }
2443        }
2444    }
2445
2446    /** {@inheritDoc} */
2447    public int getSystemDecorRectLw(Rect systemRect) {
2448        systemRect.left = mSystemLeft;
2449        systemRect.top = mSystemTop;
2450        systemRect.right = mSystemRight;
2451        systemRect.bottom = mSystemBottom;
2452        if (mStatusBar != null) return mStatusBar.getSurfaceLayer();
2453        if (mNavigationBar != null) return mNavigationBar.getSurfaceLayer();
2454        return 0;
2455    }
2456
2457    void setAttachedWindowFrames(WindowState win, int fl, int adjust,
2458            WindowState attached, boolean insetDecors, Rect pf, Rect df, Rect cf, Rect vf) {
2459        if (win.getSurfaceLayer() > mDockLayer && attached.getSurfaceLayer() < mDockLayer) {
2460            // Here's a special case: if this attached window is a panel that is
2461            // above the dock window, and the window it is attached to is below
2462            // the dock window, then the frames we computed for the window it is
2463            // attached to can not be used because the dock is effectively part
2464            // of the underlying window and the attached window is floating on top
2465            // of the whole thing.  So, we ignore the attached window and explicitly
2466            // compute the frames that would be appropriate without the dock.
2467            df.left = cf.left = vf.left = mDockLeft;
2468            df.top = cf.top = vf.top = mDockTop;
2469            df.right = cf.right = vf.right = mDockRight;
2470            df.bottom = cf.bottom = vf.bottom = mDockBottom;
2471        } else {
2472            // The effective display frame of the attached window depends on
2473            // whether it is taking care of insetting its content.  If not,
2474            // we need to use the parent's content frame so that the entire
2475            // window is positioned within that content.  Otherwise we can use
2476            // the display frame and let the attached window take care of
2477            // positioning its content appropriately.
2478            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
2479                cf.set(attached.getDisplayFrameLw());
2480            } else {
2481                // If the window is resizing, then we want to base the content
2482                // frame on our attached content frame to resize...  however,
2483                // things can be tricky if the attached window is NOT in resize
2484                // mode, in which case its content frame will be larger.
2485                // Ungh.  So to deal with that, make sure the content frame
2486                // we end up using is not covering the IM dock.
2487                cf.set(attached.getContentFrameLw());
2488                if (attached.getSurfaceLayer() < mDockLayer) {
2489                    if (cf.left < mContentLeft) cf.left = mContentLeft;
2490                    if (cf.top < mContentTop) cf.top = mContentTop;
2491                    if (cf.right > mContentRight) cf.right = mContentRight;
2492                    if (cf.bottom > mContentBottom) cf.bottom = mContentBottom;
2493                }
2494            }
2495            df.set(insetDecors ? attached.getDisplayFrameLw() : cf);
2496            vf.set(attached.getVisibleFrameLw());
2497        }
2498        // The LAYOUT_IN_SCREEN flag is used to determine whether the attached
2499        // window should be positioned relative to its parent or the entire
2500        // screen.
2501        pf.set((fl & FLAG_LAYOUT_IN_SCREEN) == 0
2502                ? attached.getFrameLw() : df);
2503    }
2504
2505    private void applyStableConstraints(int sysui, int fl, Rect r) {
2506        if ((sysui & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
2507            // If app is requesting a stable layout, don't let the
2508            // content insets go below the stable values.
2509            if ((fl & FLAG_FULLSCREEN) != 0) {
2510                if (r.left < mStableFullscreenLeft) r.left = mStableFullscreenLeft;
2511                if (r.top < mStableFullscreenTop) r.top = mStableFullscreenTop;
2512                if (r.right > mStableFullscreenRight) r.right = mStableFullscreenRight;
2513                if (r.bottom > mStableFullscreenBottom) r.bottom = mStableFullscreenBottom;
2514            } else {
2515                if (r.left < mStableLeft) r.left = mStableLeft;
2516                if (r.top < mStableTop) r.top = mStableTop;
2517                if (r.right > mStableRight) r.right = mStableRight;
2518                if (r.bottom > mStableBottom) r.bottom = mStableBottom;
2519            }
2520        }
2521    }
2522
2523    /** {@inheritDoc} */
2524    @Override
2525    public void layoutWindowLw(WindowState win, WindowManager.LayoutParams attrs,
2526            WindowState attached) {
2527        // we've already done the status bar
2528        if (win == mStatusBar || win == mNavigationBar) {
2529            return;
2530        }
2531        final boolean isDefaultDisplay = win.isDefaultDisplay();
2532        final boolean needsToOffsetInputMethodTarget = isDefaultDisplay &&
2533                (win == mLastInputMethodTargetWindow && mLastInputMethodWindow != null);
2534        if (needsToOffsetInputMethodTarget) {
2535            if (DEBUG_LAYOUT) {
2536                Slog.i(TAG, "Offset ime target window by the last ime window state");
2537            }
2538            offsetInputMethodWindowLw(mLastInputMethodWindow);
2539        }
2540
2541        final int fl = attrs.flags;
2542        final int sim = attrs.softInputMode;
2543        final int sysUiFl = win.getSystemUiVisibility();
2544
2545        final Rect pf = mTmpParentFrame;
2546        final Rect df = mTmpDisplayFrame;
2547        final Rect cf = mTmpContentFrame;
2548        final Rect vf = mTmpVisibleFrame;
2549
2550        final boolean hasNavBar = (isDefaultDisplay && mHasNavigationBar
2551                && mNavigationBar != null && mNavigationBar.isVisibleLw());
2552
2553        if (!isDefaultDisplay) {
2554            if (attached != null) {
2555                // If this window is attached to another, our display
2556                // frame is the same as the one we are attached to.
2557                setAttachedWindowFrames(win, fl, sim, attached, true, pf, df, cf, vf);
2558            } else {
2559                // Give the window full screen.
2560                pf.left = df.left = cf.left = mUnrestrictedScreenLeft;
2561                pf.top = df.top = cf.top = mUnrestrictedScreenTop;
2562                pf.right = df.right = cf.right
2563                        = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
2564                pf.bottom = df.bottom = cf.bottom
2565                        = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
2566            }
2567        } else  if (attrs.type == TYPE_INPUT_METHOD) {
2568            pf.left = df.left = cf.left = vf.left = mDockLeft;
2569            pf.top = df.top = cf.top = vf.top = mDockTop;
2570            pf.right = df.right = cf.right = vf.right = mDockRight;
2571            pf.bottom = df.bottom = cf.bottom = vf.bottom = mDockBottom;
2572            // IM dock windows always go to the bottom of the screen.
2573            attrs.gravity = Gravity.BOTTOM;
2574            mDockLayer = win.getSurfaceLayer();
2575        } else {
2576            final int adjust = sim & SOFT_INPUT_MASK_ADJUST;
2577
2578            if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_FULLSCREEN | FLAG_LAYOUT_INSET_DECOR))
2579                    == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)
2580                    && (sysUiFl & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0) {
2581                if (DEBUG_LAYOUT)
2582                    Log.v(TAG, "layoutWindowLw(" + attrs.getTitle()
2583                            + "): IN_SCREEN, INSET_DECOR, !FULLSCREEN");
2584                // This is the case for a normal activity window: we want it
2585                // to cover all of the screen space, and it can take care of
2586                // moving its contents to account for screen decorations that
2587                // intrude into that space.
2588                if (attached != null) {
2589                    // If this window is attached to another, our display
2590                    // frame is the same as the one we are attached to.
2591                    setAttachedWindowFrames(win, fl, sim, attached, true, pf, df, cf, vf);
2592                } else {
2593                    if (attrs.type == TYPE_STATUS_BAR_PANEL
2594                            || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
2595                        // Status bar panels are the only windows who can go on top of
2596                        // the status bar.  They are protected by the STATUS_BAR_SERVICE
2597                        // permission, so they have the same privileges as the status
2598                        // bar itself.
2599                        //
2600                        // However, they should still dodge the navigation bar if it exists.
2601
2602                        pf.left = df.left = hasNavBar ? mDockLeft : mUnrestrictedScreenLeft;
2603                        pf.top = df.top = mUnrestrictedScreenTop;
2604                        pf.right = df.right = hasNavBar
2605                                            ? mRestrictedScreenLeft+mRestrictedScreenWidth
2606                                            : mUnrestrictedScreenLeft+mUnrestrictedScreenWidth;
2607                        pf.bottom = df.bottom = hasNavBar
2608                                              ? mRestrictedScreenTop+mRestrictedScreenHeight
2609                                              : mUnrestrictedScreenTop+mUnrestrictedScreenHeight;
2610
2611                        if (DEBUG_LAYOUT) {
2612                            Log.v(TAG, String.format(
2613                                        "Laying out status bar window: (%d,%d - %d,%d)",
2614                                        pf.left, pf.top, pf.right, pf.bottom));
2615                        }
2616                    } else if (mCanHideNavigationBar
2617                            && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
2618                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
2619                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
2620                        // Asking for layout as if the nav bar is hidden, lets the
2621                        // application extend into the unrestricted screen area.  We
2622                        // only do this for application windows to ensure no window that
2623                        // can be above the nav bar can do this.
2624                        pf.left = df.left = mUnrestrictedScreenLeft;
2625                        pf.top = df.top = mUnrestrictedScreenTop;
2626                        pf.right = df.right = mUnrestrictedScreenLeft+mUnrestrictedScreenWidth;
2627                        pf.bottom = df.bottom = mUnrestrictedScreenTop+mUnrestrictedScreenHeight;
2628                    } else {
2629                        pf.left = df.left = mRestrictedScreenLeft;
2630                        pf.top = df.top = mRestrictedScreenTop;
2631                        pf.right = df.right = mRestrictedScreenLeft+mRestrictedScreenWidth;
2632                        pf.bottom = df.bottom = mRestrictedScreenTop+mRestrictedScreenHeight;
2633                    }
2634
2635                    if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
2636                        cf.left = mDockLeft;
2637                        cf.top = mDockTop;
2638                        cf.right = mDockRight;
2639                        cf.bottom = mDockBottom;
2640                    } else {
2641                        cf.left = mContentLeft;
2642                        cf.top = mContentTop;
2643                        cf.right = mContentRight;
2644                        cf.bottom = mContentBottom;
2645                    }
2646
2647                    applyStableConstraints(sysUiFl, fl, cf);
2648                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
2649                        vf.left = mCurLeft;
2650                        vf.top = mCurTop;
2651                        vf.right = mCurRight;
2652                        vf.bottom = mCurBottom;
2653                    } else {
2654                        vf.set(cf);
2655                    }
2656                }
2657            } else if ((fl & FLAG_LAYOUT_IN_SCREEN) != 0 || (sysUiFl
2658                    & (View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
2659                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION)) != 0) {
2660                if (DEBUG_LAYOUT)
2661                    Log.v(TAG, "layoutWindowLw(" + attrs.getTitle() + "): IN_SCREEN");
2662                // A window that has requested to fill the entire screen just
2663                // gets everything, period.
2664                if (attrs.type == TYPE_STATUS_BAR_PANEL
2665                        || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
2666                    pf.left = df.left = cf.left = hasNavBar ? mDockLeft : mUnrestrictedScreenLeft;
2667                    pf.top = df.top = cf.top = mUnrestrictedScreenTop;
2668                    pf.right = df.right = cf.right = hasNavBar
2669                                        ? mRestrictedScreenLeft+mRestrictedScreenWidth
2670                                        : mUnrestrictedScreenLeft+mUnrestrictedScreenWidth;
2671                    pf.bottom = df.bottom = cf.bottom = hasNavBar
2672                                          ? mRestrictedScreenTop+mRestrictedScreenHeight
2673                                          : mUnrestrictedScreenTop+mUnrestrictedScreenHeight;
2674                    if (DEBUG_LAYOUT) {
2675                        Log.v(TAG, String.format(
2676                                    "Laying out IN_SCREEN status bar window: (%d,%d - %d,%d)",
2677                                    pf.left, pf.top, pf.right, pf.bottom));
2678                    }
2679                } else if (attrs.type == TYPE_NAVIGATION_BAR
2680                        || attrs.type == TYPE_NAVIGATION_BAR_PANEL) {
2681                    // The navigation bar has Real Ultimate Power.
2682                    pf.left = df.left = mUnrestrictedScreenLeft;
2683                    pf.top = df.top = mUnrestrictedScreenTop;
2684                    pf.right = df.right = mUnrestrictedScreenLeft+mUnrestrictedScreenWidth;
2685                    pf.bottom = df.bottom = mUnrestrictedScreenTop+mUnrestrictedScreenHeight;
2686                    if (DEBUG_LAYOUT) {
2687                        Log.v(TAG, String.format(
2688                                    "Laying out navigation bar window: (%d,%d - %d,%d)",
2689                                    pf.left, pf.top, pf.right, pf.bottom));
2690                    }
2691                } else if ((attrs.type == TYPE_SECURE_SYSTEM_OVERLAY
2692                                || attrs.type == TYPE_BOOT_PROGRESS)
2693                        && ((fl & FLAG_FULLSCREEN) != 0)) {
2694                    // Fullscreen secure system overlays get what they ask for.
2695                    pf.left = df.left = mUnrestrictedScreenLeft;
2696                    pf.top = df.top = mUnrestrictedScreenTop;
2697                    pf.right = df.right = mUnrestrictedScreenLeft+mUnrestrictedScreenWidth;
2698                    pf.bottom = df.bottom = mUnrestrictedScreenTop+mUnrestrictedScreenHeight;
2699                } else if (attrs.type == TYPE_BOOT_PROGRESS
2700                        || attrs.type == TYPE_UNIVERSE_BACKGROUND) {
2701                    // Boot progress screen always covers entire display.
2702                    pf.left = df.left = cf.left = mUnrestrictedScreenLeft;
2703                    pf.top = df.top = cf.top = mUnrestrictedScreenTop;
2704                    pf.right = df.right = cf.right = mUnrestrictedScreenLeft+mUnrestrictedScreenWidth;
2705                    pf.bottom = df.bottom = cf.bottom
2706                            = mUnrestrictedScreenTop+mUnrestrictedScreenHeight;
2707                } else if (mCanHideNavigationBar
2708                        && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
2709                        && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
2710                        && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
2711                    // Asking for layout as if the nav bar is hidden, lets the
2712                    // application extend into the unrestricted screen area.  We
2713                    // only do this for application windows to ensure no window that
2714                    // can be above the nav bar can do this.
2715                    // XXX This assumes that an app asking for this will also
2716                    // ask for layout in only content.  We can't currently figure out
2717                    // what the screen would be if only laying out to hide the nav bar.
2718                    pf.left = df.left = cf.left = mUnrestrictedScreenLeft;
2719                    pf.top = df.top = cf.top = mUnrestrictedScreenTop;
2720                    pf.right = df.right = cf.right = mUnrestrictedScreenLeft+mUnrestrictedScreenWidth;
2721                    pf.bottom = df.bottom = cf.bottom
2722                            = mUnrestrictedScreenTop+mUnrestrictedScreenHeight;
2723                } else {
2724                    pf.left = df.left = cf.left = mRestrictedScreenLeft;
2725                    pf.top = df.top = cf.top = mRestrictedScreenTop;
2726                    pf.right = df.right = cf.right = mRestrictedScreenLeft+mRestrictedScreenWidth;
2727                    pf.bottom = df.bottom = cf.bottom
2728                            = mRestrictedScreenTop+mRestrictedScreenHeight;
2729                }
2730
2731                applyStableConstraints(sysUiFl, fl, cf);
2732
2733                if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
2734                    vf.left = mCurLeft;
2735                    vf.top = mCurTop;
2736                    vf.right = mCurRight;
2737                    vf.bottom = mCurBottom;
2738                } else {
2739                    vf.set(cf);
2740                }
2741            } else if (attached != null) {
2742                if (DEBUG_LAYOUT)
2743                    Log.v(TAG, "layoutWindowLw(" + attrs.getTitle() + "): attached to " + attached);
2744                // A child window should be placed inside of the same visible
2745                // frame that its parent had.
2746                setAttachedWindowFrames(win, fl, adjust, attached, false, pf, df, cf, vf);
2747            } else {
2748                if (DEBUG_LAYOUT)
2749                    Log.v(TAG, "layoutWindowLw(" + attrs.getTitle() + "): normal window");
2750                // Otherwise, a normal window must be placed inside the content
2751                // of all screen decorations.
2752                if (attrs.type == TYPE_STATUS_BAR_PANEL) {
2753                    // Status bar panels are the only windows who can go on top of
2754                    // the status bar.  They are protected by the STATUS_BAR_SERVICE
2755                    // permission, so they have the same privileges as the status
2756                    // bar itself.
2757                    pf.left = df.left = cf.left = mRestrictedScreenLeft;
2758                    pf.top = df.top = cf.top = mRestrictedScreenTop;
2759                    pf.right = df.right = cf.right = mRestrictedScreenLeft+mRestrictedScreenWidth;
2760                    pf.bottom = df.bottom = cf.bottom
2761                            = mRestrictedScreenTop+mRestrictedScreenHeight;
2762                } else {
2763                    pf.left = mContentLeft;
2764                    pf.top = mContentTop;
2765                    pf.right = mContentRight;
2766                    pf.bottom = mContentBottom;
2767                    if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
2768                        df.left = cf.left = mDockLeft;
2769                        df.top = cf.top = mDockTop;
2770                        df.right = cf.right = mDockRight;
2771                        df.bottom = cf.bottom = mDockBottom;
2772                    } else {
2773                        df.left = cf.left = mContentLeft;
2774                        df.top = cf.top = mContentTop;
2775                        df.right = cf.right = mContentRight;
2776                        df.bottom = cf.bottom = mContentBottom;
2777                    }
2778                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
2779                        vf.left = mCurLeft;
2780                        vf.top = mCurTop;
2781                        vf.right = mCurRight;
2782                        vf.bottom = mCurBottom;
2783                    } else {
2784                        vf.set(cf);
2785                    }
2786                }
2787            }
2788        }
2789
2790        if ((fl & FLAG_LAYOUT_NO_LIMITS) != 0) {
2791            df.left = df.top = cf.left = cf.top = vf.left = vf.top = -10000;
2792            df.right = df.bottom = cf.right = cf.bottom = vf.right = vf.bottom = 10000;
2793        }
2794
2795        if (DEBUG_LAYOUT) Log.v(TAG, "Compute frame " + attrs.getTitle()
2796                + ": sim=#" + Integer.toHexString(sim)
2797                + " attach=" + attached + " type=" + attrs.type
2798                + String.format(" flags=0x%08x", fl)
2799                + " pf=" + pf.toShortString() + " df=" + df.toShortString()
2800                + " cf=" + cf.toShortString() + " vf=" + vf.toShortString());
2801
2802        win.computeFrameLw(pf, df, cf, vf);
2803
2804        // Dock windows carve out the bottom of the screen, so normal windows
2805        // can't appear underneath them.
2806        if (attrs.type == TYPE_INPUT_METHOD && !win.getGivenInsetsPendingLw()) {
2807            setLastInputMethodWindowLw(null, null);
2808            offsetInputMethodWindowLw(win);
2809        }
2810    }
2811
2812    private void offsetInputMethodWindowLw(WindowState win) {
2813        int top = win.getContentFrameLw().top;
2814        top += win.getGivenContentInsetsLw().top;
2815        if (mContentBottom > top) {
2816            mContentBottom = top;
2817        }
2818        top = win.getVisibleFrameLw().top;
2819        top += win.getGivenVisibleInsetsLw().top;
2820        if (mCurBottom > top) {
2821            mCurBottom = top;
2822        }
2823        if (DEBUG_LAYOUT) Log.v(TAG, "Input method: mDockBottom="
2824                + mDockBottom + " mContentBottom="
2825                + mContentBottom + " mCurBottom=" + mCurBottom);
2826    }
2827
2828    /** {@inheritDoc} */
2829    @Override
2830    public void finishLayoutLw() {
2831        return;
2832    }
2833
2834    /** {@inheritDoc} */
2835    public void beginPostLayoutPolicyLw(int displayWidth, int displayHeight) {
2836        mTopFullscreenOpaqueWindowState = null;
2837        mForceStatusBar = false;
2838
2839        mHideLockScreen = false;
2840        mAllowLockscreenWhenOn = false;
2841        mDismissKeyguard = false;
2842    }
2843
2844    /** {@inheritDoc} */
2845    public void applyPostLayoutPolicyLw(WindowState win,
2846                                WindowManager.LayoutParams attrs) {
2847        if (DEBUG_LAYOUT) Slog.i(TAG, "Win " + win + ": isVisibleOrBehindKeyguardLw="
2848                + win.isVisibleOrBehindKeyguardLw());
2849        if (mTopFullscreenOpaqueWindowState == null &&
2850                win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()) {
2851            if ((attrs.flags & FLAG_FORCE_NOT_FULLSCREEN) != 0) {
2852                mForceStatusBar = true;
2853            }
2854            if (((attrs.type >= FIRST_APPLICATION_WINDOW && attrs.type <= LAST_APPLICATION_WINDOW)
2855                        || attrs.type == TYPE_DREAM)
2856                    && attrs.x == 0 && attrs.y == 0
2857                    && attrs.width == WindowManager.LayoutParams.MATCH_PARENT
2858                    && attrs.height == WindowManager.LayoutParams.MATCH_PARENT) {
2859                if (DEBUG_LAYOUT) Log.v(TAG, "Fullscreen window: " + win);
2860                mTopFullscreenOpaqueWindowState = win;
2861                if ((attrs.flags & FLAG_SHOW_WHEN_LOCKED) != 0) {
2862                    if (localLOGV) Log.v(TAG, "Setting mHideLockScreen to true by win " + win);
2863                    mHideLockScreen = true;
2864                }
2865                if ((attrs.flags & FLAG_DISMISS_KEYGUARD) != 0) {
2866                    if (localLOGV) Log.v(TAG, "Setting mDismissKeyguard to true by win " + win);
2867                    mDismissKeyguard = true;
2868                }
2869                if ((attrs.flags & FLAG_ALLOW_LOCK_WHILE_SCREEN_ON) != 0) {
2870                    mAllowLockscreenWhenOn = true;
2871                }
2872            }
2873        }
2874    }
2875
2876    /** {@inheritDoc} */
2877    public int finishPostLayoutPolicyLw() {
2878        int changes = 0;
2879        boolean topIsFullscreen = false;
2880
2881        final WindowManager.LayoutParams lp = (mTopFullscreenOpaqueWindowState != null)
2882                ? mTopFullscreenOpaqueWindowState.getAttrs()
2883                : null;
2884
2885        if (mStatusBar != null) {
2886            if (DEBUG_LAYOUT) Log.i(TAG, "force=" + mForceStatusBar
2887                    + " top=" + mTopFullscreenOpaqueWindowState);
2888            if (mForceStatusBar) {
2889                if (DEBUG_LAYOUT) Log.v(TAG, "Showing status bar: forced");
2890                if (mStatusBar.showLw(true)) changes |= FINISH_LAYOUT_REDO_LAYOUT;
2891            } else if (mTopFullscreenOpaqueWindowState != null) {
2892                if (localLOGV) {
2893                    Log.d(TAG, "frame: " + mTopFullscreenOpaqueWindowState.getFrameLw()
2894                            + " shown frame: " + mTopFullscreenOpaqueWindowState.getShownFrameLw());
2895                    Log.d(TAG, "attr: " + mTopFullscreenOpaqueWindowState.getAttrs()
2896                            + " lp.flags=0x" + Integer.toHexString(lp.flags));
2897                }
2898                topIsFullscreen = (lp.flags & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0
2899                        || (mLastSystemUiFlags & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
2900                // The subtle difference between the window for mTopFullscreenOpaqueWindowState
2901                // and mTopIsFullscreen is that that mTopIsFullscreen is set only if the window
2902                // has the FLAG_FULLSCREEN set.  Not sure if there is another way that to be the
2903                // case though.
2904                if (topIsFullscreen) {
2905                    if (DEBUG_LAYOUT) Log.v(TAG, "** HIDING status bar");
2906                    if (mStatusBar.hideLw(true)) {
2907                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
2908
2909                        mHandler.post(new Runnable() { public void run() {
2910                            try {
2911                                IStatusBarService statusbar = getStatusBarService();
2912                                if (statusbar != null) {
2913                                    statusbar.collapse();
2914                                }
2915                            } catch (RemoteException ex) {
2916                                // re-acquire status bar service next time it is needed.
2917                                mStatusBarService = null;
2918                            }
2919                        }});
2920                    } else if (DEBUG_LAYOUT) {
2921                        Log.v(TAG, "Preventing status bar from hiding by policy");
2922                    }
2923                } else {
2924                    if (DEBUG_LAYOUT) Log.v(TAG, "** SHOWING status bar: top is not fullscreen");
2925                    if (mStatusBar.showLw(true)) changes |= FINISH_LAYOUT_REDO_LAYOUT;
2926                }
2927            }
2928        }
2929
2930        mTopIsFullscreen = topIsFullscreen;
2931
2932        // Hide the key guard if a visible window explicitly specifies that it wants to be
2933        // displayed when the screen is locked.
2934        if (mKeyguard != null) {
2935            if (localLOGV) Log.v(TAG, "finishPostLayoutPolicyLw: mHideKeyguard="
2936                    + mHideLockScreen);
2937            if (mDismissKeyguard && !mKeyguardMediator.isSecure()) {
2938                if (mKeyguard.hideLw(true)) {
2939                    changes |= FINISH_LAYOUT_REDO_LAYOUT
2940                            | FINISH_LAYOUT_REDO_CONFIG
2941                            | FINISH_LAYOUT_REDO_WALLPAPER;
2942                }
2943                if (mKeyguardMediator.isShowing()) {
2944                    mHandler.post(new Runnable() {
2945                        public void run() {
2946                            mKeyguardMediator.keyguardDone(false, false);
2947                        }
2948                    });
2949                }
2950            } else if (mHideLockScreen) {
2951                if (mKeyguard.hideLw(true)) {
2952                    changes |= FINISH_LAYOUT_REDO_LAYOUT
2953                            | FINISH_LAYOUT_REDO_CONFIG
2954                            | FINISH_LAYOUT_REDO_WALLPAPER;
2955                }
2956                mKeyguardMediator.setHidden(true);
2957            } else {
2958                if (mKeyguard.showLw(true)) {
2959                    changes |= FINISH_LAYOUT_REDO_LAYOUT
2960                            | FINISH_LAYOUT_REDO_CONFIG
2961                            | FINISH_LAYOUT_REDO_WALLPAPER;
2962                }
2963                mKeyguardMediator.setHidden(false);
2964            }
2965        }
2966
2967        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
2968            // If the navigation bar has been hidden or shown, we need to do another
2969            // layout pass to update that window.
2970            changes |= FINISH_LAYOUT_REDO_LAYOUT;
2971        }
2972
2973        // update since mAllowLockscreenWhenOn might have changed
2974        updateLockScreenTimeout();
2975        return changes;
2976    }
2977
2978    public boolean allowAppAnimationsLw() {
2979        if (mKeyguard != null && mKeyguard.isVisibleLw() && !mKeyguard.isAnimatingLw()) {
2980            // If keyguard is currently visible, no reason to animate
2981            // behind it.
2982            return false;
2983        }
2984        return true;
2985    }
2986
2987    public int focusChangedLw(WindowState lastFocus, WindowState newFocus) {
2988        mFocusedWindow = newFocus;
2989        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
2990            // If the navigation bar has been hidden or shown, we need to do another
2991            // layout pass to update that window.
2992            return FINISH_LAYOUT_REDO_LAYOUT;
2993        }
2994        return 0;
2995    }
2996
2997    /** {@inheritDoc} */
2998    public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
2999        // do nothing if headless
3000        if (mHeadless) return;
3001
3002        // lid changed state
3003        final int newLidState = lidOpen ? LID_OPEN : LID_CLOSED;
3004        if (newLidState == mLidState) {
3005            return;
3006        }
3007
3008        mLidState = newLidState;
3009        applyLidSwitchState();
3010        updateRotation(true);
3011
3012        if (lidOpen) {
3013            if (keyguardIsShowingTq()) {
3014                mKeyguardMediator.onWakeKeyWhenKeyguardShowingTq(
3015                        KeyEvent.KEYCODE_POWER, mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED);
3016            } else {
3017                mPowerManager.wakeUp(SystemClock.uptimeMillis());
3018            }
3019        } else if (!mLidControlsSleep) {
3020            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
3021        }
3022    }
3023
3024    void setHdmiPlugged(boolean plugged) {
3025        if (mHdmiPlugged != plugged) {
3026            mHdmiPlugged = plugged;
3027            updateRotation(true, true);
3028            Intent intent = new Intent(ACTION_HDMI_PLUGGED);
3029            intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
3030            intent.putExtra(EXTRA_HDMI_PLUGGED_STATE, plugged);
3031            mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
3032        }
3033    }
3034
3035    void initializeHdmiState() {
3036        boolean plugged = false;
3037        // watch for HDMI plug messages if the hdmi switch exists
3038        if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
3039            mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
3040
3041            final String filename = "/sys/class/switch/hdmi/state";
3042            FileReader reader = null;
3043            try {
3044                reader = new FileReader(filename);
3045                char[] buf = new char[15];
3046                int n = reader.read(buf);
3047                if (n > 1) {
3048                    plugged = 0 != Integer.parseInt(new String(buf, 0, n-1));
3049                }
3050            } catch (IOException ex) {
3051                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
3052            } catch (NumberFormatException ex) {
3053                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
3054            } finally {
3055                if (reader != null) {
3056                    try {
3057                        reader.close();
3058                    } catch (IOException ex) {
3059                    }
3060                }
3061            }
3062        }
3063        // This dance forces the code in setHdmiPlugged to run.
3064        // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
3065        mHdmiPlugged = !plugged;
3066        setHdmiPlugged(!mHdmiPlugged);
3067    }
3068
3069    /**
3070     * @return Whether music is being played right now.
3071     */
3072    boolean isMusicActive() {
3073        final AudioManager am = (AudioManager)mContext.getSystemService(Context.AUDIO_SERVICE);
3074        if (am == null) {
3075            Log.w(TAG, "isMusicActive: couldn't get AudioManager reference");
3076            return false;
3077        }
3078        return am.isMusicActive();
3079    }
3080
3081    /**
3082     * Tell the audio service to adjust the volume appropriate to the event.
3083     * @param keycode
3084     */
3085    void handleVolumeKey(int stream, int keycode) {
3086        IAudioService audioService = getAudioService();
3087        if (audioService == null) {
3088            return;
3089        }
3090        try {
3091            // since audio is playing, we shouldn't have to hold a wake lock
3092            // during the call, but we do it as a precaution for the rare possibility
3093            // that the music stops right before we call this
3094            // TODO: Actually handle MUTE.
3095            mBroadcastWakeLock.acquire();
3096            audioService.adjustStreamVolume(stream,
3097                keycode == KeyEvent.KEYCODE_VOLUME_UP
3098                            ? AudioManager.ADJUST_RAISE
3099                            : AudioManager.ADJUST_LOWER,
3100                    0);
3101        } catch (RemoteException e) {
3102            Log.w(TAG, "IAudioService.adjustStreamVolume() threw RemoteException " + e);
3103        } finally {
3104            mBroadcastWakeLock.release();
3105        }
3106    }
3107
3108    final Object mScreenshotLock = new Object();
3109    ServiceConnection mScreenshotConnection = null;
3110
3111    final Runnable mScreenshotTimeout = new Runnable() {
3112        @Override public void run() {
3113            synchronized (mScreenshotLock) {
3114                if (mScreenshotConnection != null) {
3115                    mContext.unbindService(mScreenshotConnection);
3116                    mScreenshotConnection = null;
3117                }
3118            }
3119        }
3120    };
3121
3122    // Assume this is called from the Handler thread.
3123    private void takeScreenshot() {
3124        synchronized (mScreenshotLock) {
3125            if (mScreenshotConnection != null) {
3126                return;
3127            }
3128            ComponentName cn = new ComponentName("com.android.systemui",
3129                    "com.android.systemui.screenshot.TakeScreenshotService");
3130            Intent intent = new Intent();
3131            intent.setComponent(cn);
3132            ServiceConnection conn = new ServiceConnection() {
3133                @Override
3134                public void onServiceConnected(ComponentName name, IBinder service) {
3135                    synchronized (mScreenshotLock) {
3136                        if (mScreenshotConnection != this) {
3137                            return;
3138                        }
3139                        Messenger messenger = new Messenger(service);
3140                        Message msg = Message.obtain(null, 1);
3141                        final ServiceConnection myConn = this;
3142                        Handler h = new Handler(mHandler.getLooper()) {
3143                            @Override
3144                            public void handleMessage(Message msg) {
3145                                synchronized (mScreenshotLock) {
3146                                    if (mScreenshotConnection == myConn) {
3147                                        mContext.unbindService(mScreenshotConnection);
3148                                        mScreenshotConnection = null;
3149                                        mHandler.removeCallbacks(mScreenshotTimeout);
3150                                    }
3151                                }
3152                            }
3153                        };
3154                        msg.replyTo = new Messenger(h);
3155                        msg.arg1 = msg.arg2 = 0;
3156                        if (mStatusBar != null && mStatusBar.isVisibleLw())
3157                            msg.arg1 = 1;
3158                        if (mNavigationBar != null && mNavigationBar.isVisibleLw())
3159                            msg.arg2 = 1;
3160                        try {
3161                            messenger.send(msg);
3162                        } catch (RemoteException e) {
3163                        }
3164                    }
3165                }
3166                @Override
3167                public void onServiceDisconnected(ComponentName name) {}
3168            };
3169            if (mContext.bindService(
3170                    intent, conn, Context.BIND_AUTO_CREATE, UserHandle.USER_CURRENT)) {
3171                mScreenshotConnection = conn;
3172                mHandler.postDelayed(mScreenshotTimeout, 10000);
3173            }
3174        }
3175    }
3176
3177    /** {@inheritDoc} */
3178    @Override
3179    public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags, boolean isScreenOn) {
3180        if (!mSystemBooted) {
3181            // If we have not yet booted, don't let key events do anything.
3182            return 0;
3183        }
3184
3185        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
3186        final boolean canceled = event.isCanceled();
3187        final int keyCode = event.getKeyCode();
3188
3189        final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;
3190
3191        // If screen is off then we treat the case where the keyguard is open but hidden
3192        // the same as if it were open and in front.
3193        // This will prevent any keys other than the power button from waking the screen
3194        // when the keyguard is hidden by another activity.
3195        final boolean keyguardActive = (mKeyguardMediator == null ? false :
3196                                            (isScreenOn ?
3197                                                mKeyguardMediator.isShowingAndNotHidden() :
3198                                                mKeyguardMediator.isShowing()));
3199
3200        if (keyCode == KeyEvent.KEYCODE_POWER) {
3201            policyFlags |= WindowManagerPolicy.FLAG_WAKE;
3202        }
3203        final boolean isWakeKey = (policyFlags & (WindowManagerPolicy.FLAG_WAKE
3204                | WindowManagerPolicy.FLAG_WAKE_DROPPED)) != 0;
3205
3206        if (DEBUG_INPUT) {
3207            Log.d(TAG, "interceptKeyTq keycode=" + keyCode
3208                    + " screenIsOn=" + isScreenOn + " keyguardActive=" + keyguardActive
3209                    + " policyFlags=" + Integer.toHexString(policyFlags)
3210                    + " isWakeKey=" + isWakeKey);
3211        }
3212
3213        if (down && (policyFlags & WindowManagerPolicy.FLAG_VIRTUAL) != 0
3214                && event.getRepeatCount() == 0) {
3215            performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
3216        }
3217
3218        // Basic policy based on screen state and keyguard.
3219        // FIXME: This policy isn't quite correct.  We shouldn't care whether the screen
3220        //        is on or off, really.  We should care about whether the device is in an
3221        //        interactive state or is in suspend pretending to be "off".
3222        //        The primary screen might be turned off due to proximity sensor or
3223        //        because we are presenting media on an auxiliary screen or remotely controlling
3224        //        the device some other way (which is why we have an exemption here for injected
3225        //        events).
3226        int result;
3227        if ((isScreenOn && !mHeadless) || (isInjected && !isWakeKey)) {
3228            // When the screen is on or if the key is injected pass the key to the application.
3229            result = ACTION_PASS_TO_USER;
3230        } else {
3231            // When the screen is off and the key is not injected, determine whether
3232            // to wake the device but don't pass the key to the application.
3233            result = 0;
3234            if (down && isWakeKey) {
3235                if (keyguardActive) {
3236                    // If the keyguard is showing, let it decide what to do with the wake key.
3237                    mKeyguardMediator.onWakeKeyWhenKeyguardShowingTq(keyCode,
3238                            mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED);
3239                } else {
3240                    // Otherwise, wake the device ourselves.
3241                    result |= ACTION_WAKE_UP;
3242                }
3243            }
3244        }
3245
3246        // Handle special keys.
3247        switch (keyCode) {
3248            case KeyEvent.KEYCODE_VOLUME_DOWN:
3249            case KeyEvent.KEYCODE_VOLUME_UP:
3250            case KeyEvent.KEYCODE_VOLUME_MUTE: {
3251                if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
3252                    if (down) {
3253                        if (isScreenOn && !mVolumeDownKeyTriggered
3254                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
3255                            mVolumeDownKeyTriggered = true;
3256                            mVolumeDownKeyTime = event.getDownTime();
3257                            mVolumeDownKeyConsumedByScreenshotChord = false;
3258                            cancelPendingPowerKeyAction();
3259                            interceptScreenshotChord();
3260                        }
3261                    } else {
3262                        mVolumeDownKeyTriggered = false;
3263                        cancelPendingScreenshotChordAction();
3264                    }
3265                } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
3266                    if (down) {
3267                        if (isScreenOn && !mVolumeUpKeyTriggered
3268                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
3269                            mVolumeUpKeyTriggered = true;
3270                            cancelPendingPowerKeyAction();
3271                            cancelPendingScreenshotChordAction();
3272                        }
3273                    } else {
3274                        mVolumeUpKeyTriggered = false;
3275                        cancelPendingScreenshotChordAction();
3276                    }
3277                }
3278                if (down) {
3279                    ITelephony telephonyService = getTelephonyService();
3280                    if (telephonyService != null) {
3281                        try {
3282                            if (telephonyService.isRinging()) {
3283                                // If an incoming call is ringing, either VOLUME key means
3284                                // "silence ringer".  We handle these keys here, rather than
3285                                // in the InCallScreen, to make sure we'll respond to them
3286                                // even if the InCallScreen hasn't come to the foreground yet.
3287                                // Look for the DOWN event here, to agree with the "fallback"
3288                                // behavior in the InCallScreen.
3289                                Log.i(TAG, "interceptKeyBeforeQueueing:"
3290                                      + " VOLUME key-down while ringing: Silence ringer!");
3291
3292                                // Silence the ringer.  (It's safe to call this
3293                                // even if the ringer has already been silenced.)
3294                                telephonyService.silenceRinger();
3295
3296                                // And *don't* pass this key thru to the current activity
3297                                // (which is probably the InCallScreen.)
3298                                result &= ~ACTION_PASS_TO_USER;
3299                                break;
3300                            }
3301                            if (telephonyService.isOffhook()
3302                                    && (result & ACTION_PASS_TO_USER) == 0) {
3303                                // If we are in call but we decided not to pass the key to
3304                                // the application, handle the volume change here.
3305                                handleVolumeKey(AudioManager.STREAM_VOICE_CALL, keyCode);
3306                                break;
3307                            }
3308                        } catch (RemoteException ex) {
3309                            Log.w(TAG, "ITelephony threw RemoteException", ex);
3310                        }
3311                    }
3312
3313                    if (isMusicActive() && (result & ACTION_PASS_TO_USER) == 0) {
3314                        // If music is playing but we decided not to pass the key to the
3315                        // application, handle the volume change here.
3316                        handleVolumeKey(AudioManager.STREAM_MUSIC, keyCode);
3317                        break;
3318                    }
3319                }
3320                break;
3321            }
3322
3323            case KeyEvent.KEYCODE_ENDCALL: {
3324                result &= ~ACTION_PASS_TO_USER;
3325                if (down) {
3326                    ITelephony telephonyService = getTelephonyService();
3327                    boolean hungUp = false;
3328                    if (telephonyService != null) {
3329                        try {
3330                            hungUp = telephonyService.endCall();
3331                        } catch (RemoteException ex) {
3332                            Log.w(TAG, "ITelephony threw RemoteException", ex);
3333                        }
3334                    }
3335                    interceptPowerKeyDown(!isScreenOn || hungUp);
3336                } else {
3337                    if (interceptPowerKeyUp(canceled)) {
3338                        if ((mEndcallBehavior
3339                                & Settings.System.END_BUTTON_BEHAVIOR_HOME) != 0) {
3340                            if (goHome()) {
3341                                break;
3342                            }
3343                        }
3344                        if ((mEndcallBehavior
3345                                & Settings.System.END_BUTTON_BEHAVIOR_SLEEP) != 0) {
3346                            result = (result & ~ACTION_WAKE_UP) | ACTION_GO_TO_SLEEP;
3347                        }
3348                    }
3349                }
3350                break;
3351            }
3352
3353            case KeyEvent.KEYCODE_POWER: {
3354                result &= ~ACTION_PASS_TO_USER;
3355                if (down) {
3356                    if (isScreenOn && !mPowerKeyTriggered
3357                            && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
3358                        mPowerKeyTriggered = true;
3359                        mPowerKeyTime = event.getDownTime();
3360                        interceptScreenshotChord();
3361                    }
3362
3363                    ITelephony telephonyService = getTelephonyService();
3364                    boolean hungUp = false;
3365                    if (telephonyService != null) {
3366                        try {
3367                            if (telephonyService.isRinging()) {
3368                                // Pressing Power while there's a ringing incoming
3369                                // call should silence the ringer.
3370                                telephonyService.silenceRinger();
3371                            } else if ((mIncallPowerBehavior
3372                                    & Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP) != 0
3373                                    && telephonyService.isOffhook()) {
3374                                // Otherwise, if "Power button ends call" is enabled,
3375                                // the Power button will hang up any current active call.
3376                                hungUp = telephonyService.endCall();
3377                            }
3378                        } catch (RemoteException ex) {
3379                            Log.w(TAG, "ITelephony threw RemoteException", ex);
3380                        }
3381                    }
3382                    interceptPowerKeyDown(!isScreenOn || hungUp
3383                            || mVolumeDownKeyTriggered || mVolumeUpKeyTriggered);
3384                } else {
3385                    mPowerKeyTriggered = false;
3386                    cancelPendingScreenshotChordAction();
3387                    if (interceptPowerKeyUp(canceled || mPendingPowerKeyUpCanceled)) {
3388                        result = (result & ~ACTION_WAKE_UP) | ACTION_GO_TO_SLEEP;
3389                    }
3390                    mPendingPowerKeyUpCanceled = false;
3391                }
3392                break;
3393            }
3394
3395            case KeyEvent.KEYCODE_MEDIA_PLAY:
3396            case KeyEvent.KEYCODE_MEDIA_PAUSE:
3397            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
3398                if (down) {
3399                    ITelephony telephonyService = getTelephonyService();
3400                    if (telephonyService != null) {
3401                        try {
3402                            if (!telephonyService.isIdle()) {
3403                                // Suppress PLAY/PAUSE toggle when phone is ringing or in-call
3404                                // to avoid music playback.
3405                                break;
3406                            }
3407                        } catch (RemoteException ex) {
3408                            Log.w(TAG, "ITelephony threw RemoteException", ex);
3409                        }
3410                    }
3411                }
3412            case KeyEvent.KEYCODE_HEADSETHOOK:
3413            case KeyEvent.KEYCODE_MUTE:
3414            case KeyEvent.KEYCODE_MEDIA_STOP:
3415            case KeyEvent.KEYCODE_MEDIA_NEXT:
3416            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
3417            case KeyEvent.KEYCODE_MEDIA_REWIND:
3418            case KeyEvent.KEYCODE_MEDIA_RECORD:
3419            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD: {
3420                if ((result & ACTION_PASS_TO_USER) == 0) {
3421                    // Only do this if we would otherwise not pass it to the user. In that
3422                    // case, the PhoneWindow class will do the same thing, except it will
3423                    // only do it if the showing app doesn't process the key on its own.
3424                    // Note that we need to make a copy of the key event here because the
3425                    // original key event will be recycled when we return.
3426                    mBroadcastWakeLock.acquire();
3427                    Message msg = mHandler.obtainMessage(MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK,
3428                            new KeyEvent(event));
3429                    msg.setAsynchronous(true);
3430                    msg.sendToTarget();
3431                }
3432                break;
3433            }
3434
3435            case KeyEvent.KEYCODE_CALL: {
3436                if (down) {
3437                    ITelephony telephonyService = getTelephonyService();
3438                    if (telephonyService != null) {
3439                        try {
3440                            if (telephonyService.isRinging()) {
3441                                Log.i(TAG, "interceptKeyBeforeQueueing:"
3442                                      + " CALL key-down while ringing: Answer the call!");
3443                                telephonyService.answerRingingCall();
3444
3445                                // And *don't* pass this key thru to the current activity
3446                                // (which is presumably the InCallScreen.)
3447                                result &= ~ACTION_PASS_TO_USER;
3448                            }
3449                        } catch (RemoteException ex) {
3450                            Log.w(TAG, "ITelephony threw RemoteException", ex);
3451                        }
3452                    }
3453                }
3454                break;
3455            }
3456        }
3457        return result;
3458    }
3459
3460    /** {@inheritDoc} */
3461    @Override
3462    public int interceptMotionBeforeQueueingWhenScreenOff(int policyFlags) {
3463        int result = 0;
3464
3465        final boolean isWakeMotion = (policyFlags
3466                & (WindowManagerPolicy.FLAG_WAKE | WindowManagerPolicy.FLAG_WAKE_DROPPED)) != 0;
3467        if (isWakeMotion) {
3468            if (mKeyguardMediator != null && mKeyguardMediator.isShowing()) {
3469                // If the keyguard is showing, let it decide what to do with the wake motion.
3470                mKeyguardMediator.onWakeMotionWhenKeyguardShowingTq();
3471            } else {
3472                // Otherwise, wake the device ourselves.
3473                result |= ACTION_WAKE_UP;
3474            }
3475        }
3476        return result;
3477    }
3478
3479    void dispatchMediaKeyWithWakeLock(KeyEvent event) {
3480        if (DEBUG_INPUT) {
3481            Slog.d(TAG, "dispatchMediaKeyWithWakeLock: " + event);
3482        }
3483
3484        if (mHavePendingMediaKeyRepeatWithWakeLock) {
3485            if (DEBUG_INPUT) {
3486                Slog.d(TAG, "dispatchMediaKeyWithWakeLock: canceled repeat");
3487            }
3488
3489            mHandler.removeMessages(MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK);
3490            mHavePendingMediaKeyRepeatWithWakeLock = false;
3491            mBroadcastWakeLock.release(); // pending repeat was holding onto the wake lock
3492        }
3493
3494        dispatchMediaKeyWithWakeLockToAudioService(event);
3495
3496        if (event.getAction() == KeyEvent.ACTION_DOWN
3497                && event.getRepeatCount() == 0) {
3498            mHavePendingMediaKeyRepeatWithWakeLock = true;
3499
3500            Message msg = mHandler.obtainMessage(
3501                    MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK, event);
3502            msg.setAsynchronous(true);
3503            mHandler.sendMessageDelayed(msg, ViewConfiguration.getKeyRepeatTimeout());
3504        } else {
3505            mBroadcastWakeLock.release();
3506        }
3507    }
3508
3509    void dispatchMediaKeyRepeatWithWakeLock(KeyEvent event) {
3510        mHavePendingMediaKeyRepeatWithWakeLock = false;
3511
3512        KeyEvent repeatEvent = KeyEvent.changeTimeRepeat(event,
3513                SystemClock.uptimeMillis(), 1, event.getFlags() | KeyEvent.FLAG_LONG_PRESS);
3514        if (DEBUG_INPUT) {
3515            Slog.d(TAG, "dispatchMediaKeyRepeatWithWakeLock: " + repeatEvent);
3516        }
3517
3518        dispatchMediaKeyWithWakeLockToAudioService(repeatEvent);
3519        mBroadcastWakeLock.release();
3520    }
3521
3522    void dispatchMediaKeyWithWakeLockToAudioService(KeyEvent event) {
3523        if (ActivityManagerNative.isSystemReady()) {
3524            IAudioService audioService = getAudioService();
3525            if (audioService != null) {
3526                try {
3527                    audioService.dispatchMediaKeyEventUnderWakelock(event);
3528                } catch (RemoteException e) {
3529                    Log.e(TAG, "dispatchMediaKeyEvent threw exception " + e);
3530                }
3531            }
3532        }
3533    }
3534
3535    BroadcastReceiver mDockReceiver = new BroadcastReceiver() {
3536        public void onReceive(Context context, Intent intent) {
3537            if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
3538                mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
3539                        Intent.EXTRA_DOCK_STATE_UNDOCKED);
3540            } else {
3541                try {
3542                    IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
3543                            ServiceManager.getService(Context.UI_MODE_SERVICE));
3544                    mUiMode = uiModeService.getCurrentModeType();
3545                } catch (RemoteException e) {
3546                }
3547            }
3548            updateRotation(true);
3549            updateOrientationListenerLp();
3550        }
3551    };
3552
3553    /** {@inheritDoc} */
3554    public void screenTurnedOff(int why) {
3555        EventLog.writeEvent(70000, 0);
3556        synchronized (mLock) {
3557            mScreenOnEarly = false;
3558            mScreenOnFully = false;
3559        }
3560        if (mKeyguardMediator != null) {
3561            mKeyguardMediator.onScreenTurnedOff(why);
3562        }
3563        synchronized (mLock) {
3564            updateOrientationListenerLp();
3565            updateLockScreenTimeout();
3566        }
3567    }
3568
3569    /** {@inheritDoc} */
3570    public void screenTurningOn(final ScreenOnListener screenOnListener) {
3571        EventLog.writeEvent(70000, 1);
3572        if (false) {
3573            RuntimeException here = new RuntimeException("here");
3574            here.fillInStackTrace();
3575            Slog.i(TAG, "Screen turning on...", here);
3576        }
3577        if (screenOnListener != null) {
3578            if (mKeyguardMediator != null) {
3579                try {
3580                    mWindowManager.setEventDispatching(true);
3581                } catch (RemoteException unhandled) {
3582                }
3583                mKeyguardMediator.onScreenTurnedOn(new KeyguardViewManager.ShowListener() {
3584                    @Override public void onShown(IBinder windowToken) {
3585                        if (windowToken != null) {
3586                            try {
3587                                mWindowManager.waitForWindowDrawn(windowToken,
3588                                        new IRemoteCallback.Stub() {
3589                                    @Override public void sendResult(Bundle data) {
3590                                        Slog.i(TAG, "Lock screen displayed!");
3591                                        screenOnListener.onScreenOn();
3592                                        synchronized (mLock) {
3593                                            mScreenOnFully = true;
3594                                        }
3595                                    }
3596                                });
3597                            } catch (RemoteException e) {
3598                            }
3599                        } else {
3600                            Slog.i(TAG, "No lock screen!");
3601                            screenOnListener.onScreenOn();
3602                            synchronized (mLock) {
3603                                mScreenOnFully = true;
3604                            }
3605                        }
3606                    }
3607                });
3608            }
3609        } else {
3610            if (mKeyguardMediator != null) {
3611                // Must set mScreenOn = true.
3612                mKeyguardMediator.onScreenTurnedOn(null);
3613            }
3614            synchronized (mLock) {
3615                mScreenOnFully = true;
3616            }
3617        }
3618        synchronized (mLock) {
3619            mScreenOnEarly = true;
3620            updateOrientationListenerLp();
3621            updateLockScreenTimeout();
3622        }
3623    }
3624
3625    /** {@inheritDoc} */
3626    public boolean isScreenOnEarly() {
3627        return mScreenOnEarly;
3628    }
3629
3630    /** {@inheritDoc} */
3631    public boolean isScreenOnFully() {
3632        return mScreenOnFully;
3633    }
3634
3635    /** {@inheritDoc} */
3636    public void enableKeyguard(boolean enabled) {
3637        if (mKeyguardMediator != null) {
3638            mKeyguardMediator.setKeyguardEnabled(enabled);
3639        }
3640    }
3641
3642    /** {@inheritDoc} */
3643    public void exitKeyguardSecurely(OnKeyguardExitResult callback) {
3644        if (mKeyguardMediator != null) {
3645            mKeyguardMediator.verifyUnlock(callback);
3646        }
3647    }
3648
3649    private boolean keyguardIsShowingTq() {
3650        if (mKeyguardMediator == null) return false;
3651        return mKeyguardMediator.isShowingAndNotHidden();
3652    }
3653
3654
3655    /** {@inheritDoc} */
3656    public boolean isKeyguardLocked() {
3657        return keyguardOn();
3658    }
3659
3660    /** {@inheritDoc} */
3661    public boolean isKeyguardSecure() {
3662        if (mKeyguardMediator == null) return false;
3663        return mKeyguardMediator.isSecure();
3664    }
3665
3666    /** {@inheritDoc} */
3667    public boolean inKeyguardRestrictedKeyInputMode() {
3668        if (mKeyguardMediator == null) return false;
3669        return mKeyguardMediator.isInputRestricted();
3670    }
3671
3672    public void dismissKeyguardLw() {
3673        if (!mKeyguardMediator.isSecure()) {
3674            if (mKeyguardMediator.isShowing()) {
3675                mHandler.post(new Runnable() {
3676                    public void run() {
3677                        mKeyguardMediator.keyguardDone(false, true);
3678                    }
3679                });
3680            }
3681        }
3682    }
3683
3684    void sendCloseSystemWindows() {
3685        sendCloseSystemWindows(mContext, null);
3686    }
3687
3688    void sendCloseSystemWindows(String reason) {
3689        sendCloseSystemWindows(mContext, reason);
3690    }
3691
3692    static void sendCloseSystemWindows(Context context, String reason) {
3693        if (ActivityManagerNative.isSystemReady()) {
3694            try {
3695                ActivityManagerNative.getDefault().closeSystemDialogs(reason);
3696            } catch (RemoteException e) {
3697            }
3698        }
3699    }
3700
3701    @Override
3702    public int rotationForOrientationLw(int orientation, int lastRotation) {
3703        if (false) {
3704            Slog.v(TAG, "rotationForOrientationLw(orient="
3705                        + orientation + ", last=" + lastRotation
3706                        + "); user=" + mUserRotation + " "
3707                        + ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED)
3708                            ? "USER_ROTATION_LOCKED" : "")
3709                        );
3710        }
3711
3712        synchronized (mLock) {
3713            int sensorRotation = mOrientationListener.getProposedRotation(); // may be -1
3714            if (sensorRotation < 0) {
3715                // Sensor is disabled, device probably just turned off.
3716                if (mLastSensorRotation >= 0) {
3717                    sensorRotation = mLastSensorRotation;
3718                } else {
3719                    // Sensor has never been enabled. Last resort is to use lastRotation.
3720                    sensorRotation = lastRotation;
3721                }
3722            } else {
3723                // Valid sensor data, save it away.
3724                mLastSensorRotation = sensorRotation;
3725            }
3726
3727            final int preferredRotation;
3728            if (mLidState == LID_OPEN && mLidOpenRotation >= 0) {
3729                // Ignore sensor when lid switch is open and rotation is forced.
3730                preferredRotation = mLidOpenRotation;
3731            } else if (mDockMode == Intent.EXTRA_DOCK_STATE_CAR
3732                    && (mCarDockEnablesAccelerometer || mCarDockRotation >= 0)) {
3733                // Ignore sensor when in car dock unless explicitly enabled.
3734                // This case can override the behavior of NOSENSOR, and can also
3735                // enable 180 degree rotation while docked.
3736                preferredRotation = mCarDockEnablesAccelerometer
3737                        ? sensorRotation : mCarDockRotation;
3738            } else if ((mDockMode == Intent.EXTRA_DOCK_STATE_DESK
3739                    || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
3740                    || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK)
3741                    && (mDeskDockEnablesAccelerometer || mDeskDockRotation >= 0)) {
3742                // Ignore sensor when in desk dock unless explicitly enabled.
3743                // This case can override the behavior of NOSENSOR, and can also
3744                // enable 180 degree rotation while docked.
3745                preferredRotation = mDeskDockEnablesAccelerometer
3746                        ? sensorRotation : mDeskDockRotation;
3747            } else if (mHdmiPlugged) {
3748                // Ignore sensor when plugged into HDMI.
3749                // Note that the dock orientation overrides the HDMI orientation.
3750                preferredRotation = mHdmiRotation;
3751            } else if ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE
3752                            && (orientation == ActivityInfo.SCREEN_ORIENTATION_USER
3753                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED))
3754                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
3755                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
3756                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE
3757                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) {
3758                // Otherwise, use sensor only if requested by the application or enabled
3759                // by default for USER or UNSPECIFIED modes.  Does not apply to NOSENSOR.
3760                if (mAllowAllRotations < 0) {
3761                    // Can't read this during init() because the context doesn't
3762                    // have display metrics at that time so we cannot determine
3763                    // tablet vs. phone then.
3764                    mAllowAllRotations = mContext.getResources().getBoolean(
3765                            com.android.internal.R.bool.config_allowAllRotations) ? 1 : 0;
3766                }
3767                if (sensorRotation != Surface.ROTATION_180
3768                        || mAllowAllRotations == 1
3769                        || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR) {
3770                    preferredRotation = sensorRotation;
3771                } else {
3772                    preferredRotation = lastRotation;
3773                }
3774            } else if (mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED
3775                    && orientation != ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
3776                // Apply rotation lock.  Does not apply to NOSENSOR.
3777                // The idea is that the user rotation expresses a weak preference for the direction
3778                // of gravity and as NOSENSOR is never affected by gravity, then neither should
3779                // NOSENSOR be affected by rotation lock (although it will be affected by docks).
3780                preferredRotation = mUserRotation;
3781            } else {
3782                // No overriding preference.
3783                // We will do exactly what the application asked us to do.
3784                preferredRotation = -1;
3785            }
3786
3787            switch (orientation) {
3788                case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
3789                    // Return portrait unless overridden.
3790                    if (isAnyPortrait(preferredRotation)) {
3791                        return preferredRotation;
3792                    }
3793                    return mPortraitRotation;
3794
3795                case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
3796                    // Return landscape unless overridden.
3797                    if (isLandscapeOrSeascape(preferredRotation)) {
3798                        return preferredRotation;
3799                    }
3800                    return mLandscapeRotation;
3801
3802                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
3803                    // Return reverse portrait unless overridden.
3804                    if (isAnyPortrait(preferredRotation)) {
3805                        return preferredRotation;
3806                    }
3807                    return mUpsideDownRotation;
3808
3809                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
3810                    // Return seascape unless overridden.
3811                    if (isLandscapeOrSeascape(preferredRotation)) {
3812                        return preferredRotation;
3813                    }
3814                    return mSeascapeRotation;
3815
3816                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
3817                    // Return either landscape rotation.
3818                    if (isLandscapeOrSeascape(preferredRotation)) {
3819                        return preferredRotation;
3820                    }
3821                    if (isLandscapeOrSeascape(lastRotation)) {
3822                        return lastRotation;
3823                    }
3824                    return mLandscapeRotation;
3825
3826                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
3827                    // Return either portrait rotation.
3828                    if (isAnyPortrait(preferredRotation)) {
3829                        return preferredRotation;
3830                    }
3831                    if (isAnyPortrait(lastRotation)) {
3832                        return lastRotation;
3833                    }
3834                    return mPortraitRotation;
3835
3836                default:
3837                    // For USER, UNSPECIFIED, NOSENSOR, SENSOR and FULL_SENSOR,
3838                    // just return the preferred orientation we already calculated.
3839                    if (preferredRotation >= 0) {
3840                        return preferredRotation;
3841                    }
3842                    return Surface.ROTATION_0;
3843            }
3844        }
3845    }
3846
3847    @Override
3848    public boolean rotationHasCompatibleMetricsLw(int orientation, int rotation) {
3849        switch (orientation) {
3850            case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
3851            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
3852            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
3853                return isAnyPortrait(rotation);
3854
3855            case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
3856            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
3857            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
3858                return isLandscapeOrSeascape(rotation);
3859
3860            default:
3861                return true;
3862        }
3863    }
3864
3865    @Override
3866    public void setRotationLw(int rotation) {
3867        mOrientationListener.setCurrentRotation(rotation);
3868    }
3869
3870    private boolean isLandscapeOrSeascape(int rotation) {
3871        return rotation == mLandscapeRotation || rotation == mSeascapeRotation;
3872    }
3873
3874    private boolean isAnyPortrait(int rotation) {
3875        return rotation == mPortraitRotation || rotation == mUpsideDownRotation;
3876    }
3877
3878
3879    // User rotation: to be used when all else fails in assigning an orientation to the device
3880    public void setUserRotationMode(int mode, int rot) {
3881        ContentResolver res = mContext.getContentResolver();
3882
3883        // mUserRotationMode and mUserRotation will be assigned by the content observer
3884        if (mode == WindowManagerPolicy.USER_ROTATION_LOCKED) {
3885            Settings.System.putInt(res,
3886                    Settings.System.USER_ROTATION,
3887                    rot);
3888            Settings.System.putInt(res,
3889                    Settings.System.ACCELEROMETER_ROTATION,
3890                    0);
3891        } else {
3892            Settings.System.putInt(res,
3893                    Settings.System.ACCELEROMETER_ROTATION,
3894                    1);
3895        }
3896    }
3897
3898    public void setSafeMode(boolean safeMode) {
3899        mSafeMode = safeMode;
3900        performHapticFeedbackLw(null, safeMode
3901                ? HapticFeedbackConstants.SAFE_MODE_ENABLED
3902                : HapticFeedbackConstants.SAFE_MODE_DISABLED, true);
3903    }
3904
3905    static long[] getLongIntArray(Resources r, int resid) {
3906        int[] ar = r.getIntArray(resid);
3907        if (ar == null) {
3908            return null;
3909        }
3910        long[] out = new long[ar.length];
3911        for (int i=0; i<ar.length; i++) {
3912            out[i] = ar[i];
3913        }
3914        return out;
3915    }
3916
3917    /** {@inheritDoc} */
3918    public void systemReady() {
3919        if (mKeyguardMediator != null) {
3920            // tell the keyguard
3921            mKeyguardMediator.onSystemReady();
3922        }
3923        synchronized (mLock) {
3924            updateOrientationListenerLp();
3925            mSystemReady = true;
3926            mHandler.post(new Runnable() {
3927                public void run() {
3928                    updateSettings();
3929                }
3930            });
3931        }
3932    }
3933
3934    /** {@inheritDoc} */
3935    public void systemBooted() {
3936        synchronized (mLock) {
3937            mSystemBooted = true;
3938        }
3939    }
3940
3941    ProgressDialog mBootMsgDialog = null;
3942
3943    /** {@inheritDoc} */
3944    public void showBootMessage(final CharSequence msg, final boolean always) {
3945        if (mHeadless) return;
3946        mHandler.post(new Runnable() {
3947            @Override public void run() {
3948                if (mBootMsgDialog == null) {
3949                    mBootMsgDialog = new ProgressDialog(mContext) {
3950                        // This dialog will consume all events coming in to
3951                        // it, to avoid it trying to do things too early in boot.
3952                        @Override public boolean dispatchKeyEvent(KeyEvent event) {
3953                            return true;
3954                        }
3955                        @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
3956                            return true;
3957                        }
3958                        @Override public boolean dispatchTouchEvent(MotionEvent ev) {
3959                            return true;
3960                        }
3961                        @Override public boolean dispatchTrackballEvent(MotionEvent ev) {
3962                            return true;
3963                        }
3964                        @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) {
3965                            return true;
3966                        }
3967                        @Override public boolean dispatchPopulateAccessibilityEvent(
3968                                AccessibilityEvent event) {
3969                            return true;
3970                        }
3971                    };
3972                    mBootMsgDialog.setTitle(R.string.android_upgrading_title);
3973                    mBootMsgDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
3974                    mBootMsgDialog.setIndeterminate(true);
3975                    mBootMsgDialog.getWindow().setType(
3976                            WindowManager.LayoutParams.TYPE_BOOT_PROGRESS);
3977                    mBootMsgDialog.getWindow().addFlags(
3978                            WindowManager.LayoutParams.FLAG_DIM_BEHIND
3979                            | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
3980                    mBootMsgDialog.getWindow().setDimAmount(1);
3981                    WindowManager.LayoutParams lp = mBootMsgDialog.getWindow().getAttributes();
3982                    lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
3983                    mBootMsgDialog.getWindow().setAttributes(lp);
3984                    mBootMsgDialog.setCancelable(false);
3985                    mBootMsgDialog.show();
3986                }
3987                mBootMsgDialog.setMessage(msg);
3988            }
3989        });
3990    }
3991
3992    /** {@inheritDoc} */
3993    public void hideBootMessages() {
3994        mHandler.post(new Runnable() {
3995            @Override public void run() {
3996                if (mBootMsgDialog != null) {
3997                    mBootMsgDialog.dismiss();
3998                    mBootMsgDialog = null;
3999                }
4000            }
4001        });
4002    }
4003
4004    /** {@inheritDoc} */
4005    public void userActivity() {
4006        // ***************************************
4007        // NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
4008        // ***************************************
4009        // THIS IS CALLED FROM DEEP IN THE POWER MANAGER
4010        // WITH ITS LOCKS HELD.
4011        //
4012        // This code must be VERY careful about the locks
4013        // it acquires.
4014        // In fact, the current code acquires way too many,
4015        // and probably has lurking deadlocks.
4016
4017        synchronized (mScreenLockTimeout) {
4018            if (mLockScreenTimerActive) {
4019                // reset the timer
4020                mHandler.removeCallbacks(mScreenLockTimeout);
4021                mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
4022            }
4023        }
4024    }
4025
4026    Runnable mScreenLockTimeout = new Runnable() {
4027        public void run() {
4028            synchronized (this) {
4029                if (localLOGV) Log.v(TAG, "mScreenLockTimeout activating keyguard");
4030                if (mKeyguardMediator != null) {
4031                    mKeyguardMediator.doKeyguardTimeout();
4032                }
4033                mLockScreenTimerActive = false;
4034            }
4035        }
4036    };
4037
4038    public void lockNow() {
4039        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);
4040        mHandler.removeCallbacks(mScreenLockTimeout);
4041        mHandler.post(mScreenLockTimeout);
4042    }
4043
4044    private void updateLockScreenTimeout() {
4045        synchronized (mScreenLockTimeout) {
4046            boolean enable = (mAllowLockscreenWhenOn && mScreenOnEarly &&
4047                    mKeyguardMediator != null && mKeyguardMediator.isSecure());
4048            if (mLockScreenTimerActive != enable) {
4049                if (enable) {
4050                    if (localLOGV) Log.v(TAG, "setting lockscreen timer");
4051                    mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
4052                } else {
4053                    if (localLOGV) Log.v(TAG, "clearing lockscreen timer");
4054                    mHandler.removeCallbacks(mScreenLockTimeout);
4055                }
4056                mLockScreenTimerActive = enable;
4057            }
4058        }
4059    }
4060
4061    /** {@inheritDoc} */
4062    public void enableScreenAfterBoot() {
4063        readLidState();
4064        applyLidSwitchState();
4065        updateRotation(true);
4066    }
4067
4068    private void applyLidSwitchState() {
4069        if (mLidState == LID_CLOSED && mLidControlsSleep) {
4070            mPowerManager.goToSleep(SystemClock.uptimeMillis());
4071        }
4072    }
4073
4074    void updateRotation(boolean alwaysSendConfiguration) {
4075        try {
4076            //set orientation on WindowManager
4077            mWindowManager.updateRotation(alwaysSendConfiguration, false);
4078        } catch (RemoteException e) {
4079            // Ignore
4080        }
4081    }
4082
4083    void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
4084        try {
4085            //set orientation on WindowManager
4086            mWindowManager.updateRotation(alwaysSendConfiguration, forceRelayout);
4087        } catch (RemoteException e) {
4088            // Ignore
4089        }
4090    }
4091
4092    /**
4093     * Return an Intent to launch the currently active dock app as home.  Returns
4094     * null if the standard home should be launched, which is the case if any of the following is
4095     * true:
4096     * <ul>
4097     *  <li>The device is not in either car mode or desk mode
4098     *  <li>The device is in car mode but ENABLE_CAR_DOCK_HOME_CAPTURE is false
4099     *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
4100     *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
4101     *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
4102     * </ul>
4103     * @return
4104     */
4105    Intent createHomeDockIntent() {
4106        Intent intent = null;
4107
4108        // What home does is based on the mode, not the dock state.  That
4109        // is, when in car mode you should be taken to car home regardless
4110        // of whether we are actually in a car dock.
4111        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
4112            if (ENABLE_CAR_DOCK_HOME_CAPTURE) {
4113                intent = mCarDockIntent;
4114            }
4115        } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
4116            if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
4117                intent = mDeskDockIntent;
4118            }
4119        }
4120
4121        if (intent == null) {
4122            return null;
4123        }
4124
4125        ActivityInfo ai = intent.resolveActivityInfo(
4126                mContext.getPackageManager(), PackageManager.GET_META_DATA);
4127        if (ai == null) {
4128            return null;
4129        }
4130
4131        if (ai.metaData != null && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
4132            intent = new Intent(intent);
4133            intent.setClassName(ai.packageName, ai.name);
4134            return intent;
4135        }
4136
4137        return null;
4138    }
4139
4140    void startDockOrHome() {
4141        Intent dock = createHomeDockIntent();
4142        if (dock != null) {
4143            try {
4144                mContext.startActivity(dock);
4145                return;
4146            } catch (ActivityNotFoundException e) {
4147            }
4148        }
4149        mContext.startActivity(mHomeIntent);
4150    }
4151
4152    /**
4153     * goes to the home screen
4154     * @return whether it did anything
4155     */
4156    boolean goHome() {
4157        if (false) {
4158            // This code always brings home to the front.
4159            try {
4160                ActivityManagerNative.getDefault().stopAppSwitches();
4161            } catch (RemoteException e) {
4162            }
4163            sendCloseSystemWindows();
4164            startDockOrHome();
4165        } else {
4166            // This code brings home to the front or, if it is already
4167            // at the front, puts the device to sleep.
4168            try {
4169                if (SystemProperties.getInt("persist.sys.uts-test-mode", 0) == 1) {
4170                    /// Roll back EndcallBehavior as the cupcake design to pass P1 lab entry.
4171                    Log.d(TAG, "UTS-TEST-MODE");
4172                } else {
4173                    ActivityManagerNative.getDefault().stopAppSwitches();
4174                    sendCloseSystemWindows();
4175                    Intent dock = createHomeDockIntent();
4176                    if (dock != null) {
4177                        int result = ActivityManagerNative.getDefault()
4178                                .startActivity(null, dock,
4179                                        dock.resolveTypeIfNeeded(mContext.getContentResolver()),
4180                                        null, null, 0,
4181                                        ActivityManager.START_FLAG_ONLY_IF_NEEDED,
4182                                        null, null, null);
4183                        if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
4184                            return false;
4185                        }
4186                    }
4187                }
4188                int result = ActivityManagerNative.getDefault()
4189                        .startActivity(null, mHomeIntent,
4190                                mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
4191                                null, null, 0,
4192                                ActivityManager.START_FLAG_ONLY_IF_NEEDED,
4193                                null, null, null);
4194                if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
4195                    return false;
4196                }
4197            } catch (RemoteException ex) {
4198                // bummer, the activity manager, which is in this process, is dead
4199            }
4200        }
4201        return true;
4202    }
4203
4204    public void setCurrentOrientationLw(int newOrientation) {
4205        synchronized (mLock) {
4206            if (newOrientation != mCurrentAppOrientation) {
4207                mCurrentAppOrientation = newOrientation;
4208                updateOrientationListenerLp();
4209            }
4210        }
4211    }
4212
4213    public boolean performHapticFeedbackLw(WindowState win, int effectId, boolean always) {
4214        final boolean hapticsDisabled = Settings.System.getInt(mContext.getContentResolver(),
4215                Settings.System.HAPTIC_FEEDBACK_ENABLED, 0) == 0;
4216        if (!always && (hapticsDisabled || mKeyguardMediator.isShowingAndNotHidden())) {
4217            return false;
4218        }
4219        long[] pattern = null;
4220        switch (effectId) {
4221            case HapticFeedbackConstants.LONG_PRESS:
4222                pattern = mLongPressVibePattern;
4223                break;
4224            case HapticFeedbackConstants.VIRTUAL_KEY:
4225                pattern = mVirtualKeyVibePattern;
4226                break;
4227            case HapticFeedbackConstants.KEYBOARD_TAP:
4228                pattern = mKeyboardTapVibePattern;
4229                break;
4230            case HapticFeedbackConstants.SAFE_MODE_DISABLED:
4231                pattern = mSafeModeDisabledVibePattern;
4232                break;
4233            case HapticFeedbackConstants.SAFE_MODE_ENABLED:
4234                pattern = mSafeModeEnabledVibePattern;
4235                break;
4236            default:
4237                return false;
4238        }
4239        if (pattern.length == 1) {
4240            // One-shot vibration
4241            mVibrator.vibrate(pattern[0]);
4242        } else {
4243            // Pattern vibration
4244            mVibrator.vibrate(pattern, -1);
4245        }
4246        return true;
4247    }
4248
4249    public void screenOnStartedLw() {
4250    }
4251
4252    public void screenOnStoppedLw() {
4253        if (mPowerManager.isScreenOn()) {
4254            if (mKeyguardMediator != null && !mKeyguardMediator.isShowingAndNotHidden()) {
4255                long curTime = SystemClock.uptimeMillis();
4256                mPowerManager.userActivity(curTime, false);
4257            }
4258        }
4259    }
4260
4261    public boolean allowKeyRepeat() {
4262        // disable key repeat when screen is off
4263        return mScreenOnEarly;
4264    }
4265
4266    private int updateSystemUiVisibilityLw() {
4267        // If there is no window focused, there will be nobody to handle the events
4268        // anyway, so just hang on in whatever state we're in until things settle down.
4269        if (mFocusedWindow == null) {
4270            return 0;
4271        }
4272        final int visibility = mFocusedWindow.getSystemUiVisibility()
4273                & ~mResettingSystemUiFlags
4274                & ~mForceClearedSystemUiFlags;
4275        int diff = visibility ^ mLastSystemUiFlags;
4276        final boolean needsMenu = mFocusedWindow.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
4277        if (diff == 0 && mLastFocusNeedsMenu == needsMenu
4278                && mFocusedApp == mFocusedWindow.getAppToken()) {
4279            return 0;
4280        }
4281        mLastSystemUiFlags = visibility;
4282        mLastFocusNeedsMenu = needsMenu;
4283        mFocusedApp = mFocusedWindow.getAppToken();
4284        mHandler.post(new Runnable() {
4285                public void run() {
4286                    try {
4287                        IStatusBarService statusbar = getStatusBarService();
4288                        if (statusbar != null) {
4289                            statusbar.setSystemUiVisibility(visibility, 0xffffffff);
4290                            statusbar.topAppWindowChanged(needsMenu);
4291                        }
4292                    } catch (RemoteException e) {
4293                        // re-acquire status bar service next time it is needed.
4294                        mStatusBarService = null;
4295                    }
4296                }
4297            });
4298        return diff;
4299    }
4300
4301    // Use this instead of checking config_showNavigationBar so that it can be consistently
4302    // overridden by qemu.hw.mainkeys in the emulator.
4303    public boolean hasNavigationBar() {
4304        return mHasNavigationBar;
4305    }
4306
4307    @Override
4308    public void setLastInputMethodWindowLw(WindowState ime, WindowState target) {
4309        mLastInputMethodWindow = ime;
4310        mLastInputMethodTargetWindow = target;
4311    }
4312
4313    public void dump(String prefix, PrintWriter pw, String[] args) {
4314        pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
4315                pw.print(" mSystemReady="); pw.print(mSystemReady);
4316                pw.print(" mSystemBooted="); pw.println(mSystemBooted);
4317        pw.print(prefix); pw.print("mLidState="); pw.print(mLidState);
4318                pw.print(" mLidOpenRotation="); pw.print(mLidOpenRotation);
4319                pw.print(" mHdmiPlugged="); pw.println(mHdmiPlugged);
4320        if (mLastSystemUiFlags != 0 || mResettingSystemUiFlags != 0
4321                || mForceClearedSystemUiFlags != 0) {
4322            pw.print(prefix); pw.print("mLastSystemUiFlags=0x");
4323                    pw.print(Integer.toHexString(mLastSystemUiFlags));
4324                    pw.print(" mResettingSystemUiFlags=0x");
4325                    pw.print(Integer.toHexString(mResettingSystemUiFlags));
4326                    pw.print(" mForceClearedSystemUiFlags=0x");
4327                    pw.println(Integer.toHexString(mForceClearedSystemUiFlags));
4328        }
4329        if (mLastFocusNeedsMenu) {
4330            pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
4331                    pw.println(mLastFocusNeedsMenu);
4332        }
4333        pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
4334                pw.print(" mDockMode="); pw.print(mDockMode);
4335                pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
4336                pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
4337        pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);
4338                pw.print(" mUserRotation="); pw.print(mUserRotation);
4339                pw.print(" mAllowAllRotations="); pw.println(mAllowAllRotations);
4340        pw.print(prefix); pw.print("mCurrentAppOrientation="); pw.println(mCurrentAppOrientation);
4341        pw.print(prefix); pw.print("mCarDockEnablesAccelerometer=");
4342                pw.print(mCarDockEnablesAccelerometer);
4343                pw.print(" mDeskDockEnablesAccelerometer=");
4344                pw.println(mDeskDockEnablesAccelerometer);
4345        pw.print(prefix); pw.print("mLidKeyboardAccessibility=");
4346                pw.print(mLidKeyboardAccessibility);
4347                pw.print(" mLidNavigationAccessibility="); pw.print(mLidNavigationAccessibility);
4348                pw.print(" mLidControlsSleep="); pw.println(mLidControlsSleep);
4349        pw.print(prefix); pw.print("mLongPressOnPowerBehavior=");
4350                pw.print(mLongPressOnPowerBehavior);
4351                pw.print(" mHasSoftInput="); pw.println(mHasSoftInput);
4352        pw.print(prefix); pw.print("mScreenOnEarly="); pw.print(mScreenOnEarly);
4353                pw.print(" mScreenOnFully="); pw.print(mScreenOnFully);
4354                pw.print(" mOrientationSensorEnabled="); pw.println(mOrientationSensorEnabled);
4355        pw.print(prefix); pw.print("mUnrestrictedScreen=("); pw.print(mUnrestrictedScreenLeft);
4356                pw.print(","); pw.print(mUnrestrictedScreenTop);
4357                pw.print(") "); pw.print(mUnrestrictedScreenWidth);
4358                pw.print("x"); pw.println(mUnrestrictedScreenHeight);
4359        pw.print(prefix); pw.print("mRestrictedScreen=("); pw.print(mRestrictedScreenLeft);
4360                pw.print(","); pw.print(mRestrictedScreenTop);
4361                pw.print(") "); pw.print(mRestrictedScreenWidth);
4362                pw.print("x"); pw.println(mRestrictedScreenHeight);
4363        pw.print(prefix); pw.print("mStableFullscreen=("); pw.print(mStableFullscreenLeft);
4364                pw.print(","); pw.print(mStableFullscreenTop);
4365                pw.print(")-("); pw.print(mStableFullscreenRight);
4366                pw.print(","); pw.print(mStableFullscreenBottom); pw.println(")");
4367        pw.print(prefix); pw.print("mStable=("); pw.print(mStableLeft);
4368                pw.print(","); pw.print(mStableTop);
4369                pw.print(")-("); pw.print(mStableRight);
4370                pw.print(","); pw.print(mStableBottom); pw.println(")");
4371        pw.print(prefix); pw.print("mSystem=("); pw.print(mSystemLeft);
4372                pw.print(","); pw.print(mSystemTop);
4373                pw.print(")-("); pw.print(mSystemRight);
4374                pw.print(","); pw.print(mSystemBottom); pw.println(")");
4375        pw.print(prefix); pw.print("mCur=("); pw.print(mCurLeft);
4376                pw.print(","); pw.print(mCurTop);
4377                pw.print(")-("); pw.print(mCurRight);
4378                pw.print(","); pw.print(mCurBottom); pw.println(")");
4379        pw.print(prefix); pw.print("mContent=("); pw.print(mContentLeft);
4380                pw.print(","); pw.print(mContentTop);
4381                pw.print(")-("); pw.print(mContentRight);
4382                pw.print(","); pw.print(mContentBottom); pw.println(")");
4383        pw.print(prefix); pw.print("mDock=("); pw.print(mDockLeft);
4384                pw.print(","); pw.print(mDockTop);
4385                pw.print(")-("); pw.print(mDockRight);
4386                pw.print(","); pw.print(mDockBottom); pw.println(")");
4387        pw.print(prefix); pw.print("mDockLayer="); pw.print(mDockLayer);
4388                pw.print(" mStatusBarLayer="); pw.println(mStatusBarLayer);
4389        pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
4390                pw.println(mTopFullscreenOpaqueWindowState);
4391        pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
4392                pw.print(" mForceStatusBar="); pw.print(mForceStatusBar);
4393                pw.print(" mHideLockScreen="); pw.println(mHideLockScreen);
4394        pw.print(prefix); pw.print("mDismissKeyguard="); pw.print(mDismissKeyguard);
4395                pw.print(" mHomePressed="); pw.println(mHomePressed);
4396        pw.print(prefix); pw.print("mAllowLockscreenWhenOn="); pw.print(mAllowLockscreenWhenOn);
4397                pw.print(" mLockScreenTimeout="); pw.print(mLockScreenTimeout);
4398                pw.print(" mLockScreenTimerActive="); pw.println(mLockScreenTimerActive);
4399        pw.print(prefix); pw.print("mEndcallBehavior="); pw.print(mEndcallBehavior);
4400                pw.print(" mIncallPowerBehavior="); pw.print(mIncallPowerBehavior);
4401                pw.print(" mLongPressOnHomeBehavior="); pw.println(mLongPressOnHomeBehavior);
4402        pw.print(prefix); pw.print("mLandscapeRotation="); pw.print(mLandscapeRotation);
4403                pw.print(" mSeascapeRotation="); pw.println(mSeascapeRotation);
4404        pw.print(prefix); pw.print("mPortraitRotation="); pw.print(mPortraitRotation);
4405                pw.print(" mUpsideDownRotation="); pw.println(mUpsideDownRotation);
4406    }
4407}
4408