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      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.systemui.statusbar.tablet;
     18 
     19 import android.animation.LayoutTransition;
     20 import android.animation.ObjectAnimator;
     21 import android.app.ActivityManager;
     22 import android.app.ActivityManagerNative;
     23 import android.app.Notification;
     24 import android.app.PendingIntent;
     25 import android.app.StatusBarManager;
     26 import android.content.BroadcastReceiver;
     27 import android.content.Context;
     28 import android.content.Intent;
     29 import android.content.IntentFilter;
     30 import android.content.SharedPreferences;
     31 import android.content.res.Configuration;
     32 import android.content.res.Resources;
     33 import android.graphics.PixelFormat;
     34 import android.graphics.Point;
     35 import android.graphics.drawable.Drawable;
     36 import android.graphics.drawable.LayerDrawable;
     37 import android.inputmethodservice.InputMethodService;
     38 import android.os.IBinder;
     39 import android.os.Message;
     40 import android.os.RemoteException;
     41 import android.text.TextUtils;
     42 import android.util.Slog;
     43 import android.view.Display;
     44 import android.view.Gravity;
     45 import android.view.KeyEvent;
     46 import android.view.MotionEvent;
     47 import android.view.SoundEffectConstants;
     48 import android.view.VelocityTracker;
     49 import android.view.View;
     50 import android.view.ViewConfiguration;
     51 import android.view.ViewGroup;
     52 import android.view.ViewGroup.LayoutParams;
     53 import android.view.WindowManager;
     54 import android.view.accessibility.AccessibilityEvent;
     55 import android.widget.ImageView;
     56 import android.widget.LinearLayout;
     57 import android.widget.ScrollView;
     58 import android.widget.TextView;
     59 
     60 import com.android.internal.statusbar.StatusBarIcon;
     61 import com.android.internal.statusbar.StatusBarNotification;
     62 import com.android.systemui.R;
     63 import com.android.systemui.statusbar.BaseStatusBar;
     64 import com.android.systemui.statusbar.CommandQueue;
     65 import com.android.systemui.statusbar.DoNotDisturb;
     66 import com.android.systemui.statusbar.NotificationData;
     67 import com.android.systemui.statusbar.NotificationData.Entry;
     68 import com.android.systemui.statusbar.SignalClusterView;
     69 import com.android.systemui.statusbar.StatusBarIconView;
     70 import com.android.systemui.statusbar.policy.BatteryController;
     71 import com.android.systemui.statusbar.policy.BluetoothController;
     72 import com.android.systemui.statusbar.policy.CompatModeButton;
     73 import com.android.systemui.statusbar.policy.LocationController;
     74 import com.android.systemui.statusbar.policy.NetworkController;
     75 import com.android.systemui.statusbar.policy.NotificationRowLayout;
     76 import com.android.systemui.statusbar.policy.Prefs;
     77 
     78 import java.io.FileDescriptor;
     79 import java.io.PrintWriter;
     80 import java.util.ArrayList;
     81 
     82 public class TabletStatusBar extends BaseStatusBar implements
     83         InputMethodsPanel.OnHardKeyboardEnabledChangeListener {
     84     public static final boolean DEBUG = false;
     85     public static final boolean DEBUG_COMPAT_HELP = false;
     86     public static final String TAG = "TabletStatusBar";
     87 
     88 
     89     public static final int MSG_OPEN_NOTIFICATION_PANEL = 1000;
     90     public static final int MSG_CLOSE_NOTIFICATION_PANEL = 1001;
     91     public static final int MSG_OPEN_NOTIFICATION_PEEK = 1002;
     92     public static final int MSG_CLOSE_NOTIFICATION_PEEK = 1003;
     93     // 1020-1029 reserved for BaseStatusBar
     94     public static final int MSG_SHOW_CHROME = 1030;
     95     public static final int MSG_HIDE_CHROME = 1031;
     96     public static final int MSG_OPEN_INPUT_METHODS_PANEL = 1040;
     97     public static final int MSG_CLOSE_INPUT_METHODS_PANEL = 1041;
     98     public static final int MSG_OPEN_COMPAT_MODE_PANEL = 1050;
     99     public static final int MSG_CLOSE_COMPAT_MODE_PANEL = 1051;
    100     public static final int MSG_STOP_TICKER = 2000;
    101 
    102     // Fitts' Law assistance for LatinIME; see policy.EventHole
    103     private static final boolean FAKE_SPACE_BAR = true;
    104 
    105     // Notification "peeking" (flyover preview of individual notifications)
    106     final static int NOTIFICATION_PEEK_HOLD_THRESH = 200; // ms
    107     final static int NOTIFICATION_PEEK_FADE_DELAY = 3000; // ms
    108 
    109     private static final int NOTIFICATION_PRIORITY_MULTIPLIER = 10; // see NotificationManagerService
    110     private static final int HIDE_ICONS_BELOW_SCORE = Notification.PRIORITY_LOW * NOTIFICATION_PRIORITY_MULTIPLIER;
    111 
    112     // The height of the bar, as definied by the build.  It may be taller if we're plugged
    113     // into hdmi.
    114     int mNaturalBarHeight = -1;
    115     int mIconSize = -1;
    116     int mIconHPadding = -1;
    117     int mNavIconWidth = -1;
    118     int mMenuNavIconWidth = -1;
    119     private int mMaxNotificationIcons = 5;
    120 
    121     TabletStatusBarView mStatusBarView;
    122     View mNotificationArea;
    123     View mNotificationTrigger;
    124     NotificationIconArea mNotificationIconArea;
    125     ViewGroup mNavigationArea;
    126 
    127     boolean mNotificationDNDMode;
    128     NotificationData.Entry mNotificationDNDDummyEntry;
    129 
    130     ImageView mBackButton;
    131     View mHomeButton;
    132     View mMenuButton;
    133     View mRecentButton;
    134     private boolean mAltBackButtonEnabledForIme;
    135 
    136     ViewGroup mFeedbackIconArea; // notification icons, IME icon, compat icon
    137     InputMethodButton mInputMethodSwitchButton;
    138     CompatModeButton mCompatModeButton;
    139 
    140     NotificationPanel mNotificationPanel;
    141     WindowManager.LayoutParams mNotificationPanelParams;
    142     NotificationPeekPanel mNotificationPeekWindow;
    143     ViewGroup mNotificationPeekRow;
    144     int mNotificationPeekIndex;
    145     IBinder mNotificationPeekKey;
    146     LayoutTransition mNotificationPeekScrubLeft, mNotificationPeekScrubRight;
    147 
    148     int mNotificationPeekTapDuration;
    149     int mNotificationFlingVelocity;
    150 
    151     BatteryController mBatteryController;
    152     BluetoothController mBluetoothController;
    153     LocationController mLocationController;
    154     NetworkController mNetworkController;
    155     DoNotDisturb mDoNotDisturb;
    156 
    157     ViewGroup mBarContents;
    158 
    159     // hide system chrome ("lights out") support
    160     View mShadow;
    161 
    162     NotificationIconArea.IconLayout mIconLayout;
    163 
    164     TabletTicker mTicker;
    165 
    166     View mFakeSpaceBar;
    167     KeyEvent mSpaceBarKeyEvent = null;
    168 
    169     View mCompatibilityHelpDialog = null;
    170 
    171     // for disabling the status bar
    172     int mDisabled = 0;
    173 
    174     private InputMethodsPanel mInputMethodsPanel;
    175     private CompatModePanel mCompatModePanel;
    176 
    177     private int mSystemUiVisibility = 0;
    178 
    179     private int mNavigationIconHints = 0;
    180 
    181     private int mShowSearchHoldoff = 0;
    182 
    183     public Context getContext() { return mContext; }
    184 
    185     private Runnable mShowSearchPanel = new Runnable() {
    186         public void run() {
    187             showSearchPanel();
    188         }
    189     };
    190 
    191     private View.OnTouchListener mHomeSearchActionListener = new View.OnTouchListener() {
    192         public boolean onTouch(View v, MotionEvent event) {
    193             switch(event.getAction()) {
    194                 case MotionEvent.ACTION_DOWN:
    195                     if (!shouldDisableNavbarGestures() && !inKeyguardRestrictedInputMode()) {
    196                         mHandler.removeCallbacks(mShowSearchPanel);
    197                         mHandler.postDelayed(mShowSearchPanel, mShowSearchHoldoff);
    198                     }
    199                 break;
    200 
    201                 case MotionEvent.ACTION_UP:
    202                 case MotionEvent.ACTION_CANCEL:
    203                     mHandler.removeCallbacks(mShowSearchPanel);
    204                 break;
    205             }
    206             return false;
    207         }
    208     };
    209 
    210     @Override
    211     protected void createAndAddWindows() {
    212         addStatusBarWindow();
    213         addPanelWindows();
    214     }
    215 
    216     private void addStatusBarWindow() {
    217         final View sb = makeStatusBarView();
    218 
    219         final WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
    220                 ViewGroup.LayoutParams.MATCH_PARENT,
    221                 ViewGroup.LayoutParams.MATCH_PARENT,
    222                 WindowManager.LayoutParams.TYPE_NAVIGATION_BAR,
    223                 WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
    224                     | WindowManager.LayoutParams.FLAG_TOUCHABLE_WHEN_WAKING
    225                     | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH,
    226                 PixelFormat.OPAQUE);
    227 
    228         // We explicitly leave FLAG_HARDWARE_ACCELERATED out of the flags.  The status bar occupies
    229         // very little screen real-estate and is updated fairly frequently.  By using CPU rendering
    230         // for the status bar, we prevent the GPU from having to wake up just to do these small
    231         // updates, which should help keep power consumption down.
    232 
    233         lp.gravity = getStatusBarGravity();
    234         lp.setTitle("SystemBar");
    235         lp.packageName = mContext.getPackageName();
    236         mWindowManager.addView(sb, lp);
    237     }
    238 
    239     protected void addPanelWindows() {
    240         final Context context = mContext;
    241         final Resources res = mContext.getResources();
    242 
    243         // Notification Panel
    244         mNotificationPanel = (NotificationPanel)View.inflate(context,
    245                 R.layout.system_bar_notification_panel, null);
    246         mNotificationPanel.setBar(this);
    247         mNotificationPanel.show(false, false);
    248         mNotificationPanel.setOnTouchListener(
    249                 new TouchOutsideListener(MSG_CLOSE_NOTIFICATION_PANEL, mNotificationPanel));
    250 
    251         // the battery icon
    252         mBatteryController.addIconView((ImageView)mNotificationPanel.findViewById(R.id.battery));
    253         mBatteryController.addLabelView(
    254                 (TextView)mNotificationPanel.findViewById(R.id.battery_text));
    255 
    256         // Bt
    257         mBluetoothController.addIconView(
    258                 (ImageView)mNotificationPanel.findViewById(R.id.bluetooth));
    259 
    260         // network icons: either a combo icon that switches between mobile and data, or distinct
    261         // mobile and data icons
    262         final ImageView mobileRSSI =
    263                 (ImageView)mNotificationPanel.findViewById(R.id.mobile_signal);
    264         if (mobileRSSI != null) {
    265             mNetworkController.addPhoneSignalIconView(mobileRSSI);
    266         }
    267         final ImageView wifiRSSI =
    268                 (ImageView)mNotificationPanel.findViewById(R.id.wifi_signal);
    269         if (wifiRSSI != null) {
    270             mNetworkController.addWifiIconView(wifiRSSI);
    271         }
    272         mNetworkController.addWifiLabelView(
    273                 (TextView)mNotificationPanel.findViewById(R.id.wifi_text));
    274 
    275         mNetworkController.addDataTypeIconView(
    276                 (ImageView)mNotificationPanel.findViewById(R.id.mobile_type));
    277         mNetworkController.addMobileLabelView(
    278                 (TextView)mNotificationPanel.findViewById(R.id.mobile_text));
    279         mNetworkController.addCombinedLabelView(
    280                 (TextView)mBarContents.findViewById(R.id.network_text));
    281 
    282         mStatusBarView.setIgnoreChildren(0, mNotificationTrigger, mNotificationPanel);
    283 
    284         WindowManager.LayoutParams lp = mNotificationPanelParams = new WindowManager.LayoutParams(
    285                 res.getDimensionPixelSize(R.dimen.notification_panel_width),
    286                 getNotificationPanelHeight(),
    287                 WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL,
    288                 WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
    289                     | WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS
    290                     | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM
    291                     | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH
    292                     | WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED,
    293                 PixelFormat.TRANSLUCENT);
    294         lp.gravity = Gravity.BOTTOM | Gravity.RIGHT;
    295         lp.setTitle("NotificationPanel");
    296         lp.softInputMode = WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED
    297                 | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_NOTHING;
    298         lp.windowAnimations = com.android.internal.R.style.Animation; // == no animation
    299 //        lp.windowAnimations = com.android.internal.R.style.Animation_ZoomButtons; // simple fade
    300 
    301         mWindowManager.addView(mNotificationPanel, lp);
    302 
    303         // Search Panel
    304         mStatusBarView.setBar(this);
    305         mHomeButton.setOnTouchListener(mHomeSearchActionListener);
    306         updateSearchPanel();
    307 
    308         // Input methods Panel
    309         mInputMethodsPanel = (InputMethodsPanel) View.inflate(context,
    310                 R.layout.system_bar_input_methods_panel, null);
    311         mInputMethodsPanel.setHardKeyboardEnabledChangeListener(this);
    312         mInputMethodsPanel.setOnTouchListener(new TouchOutsideListener(
    313                 MSG_CLOSE_INPUT_METHODS_PANEL, mInputMethodsPanel));
    314         mInputMethodsPanel.setImeSwitchButton(mInputMethodSwitchButton);
    315         mStatusBarView.setIgnoreChildren(2, mInputMethodSwitchButton, mInputMethodsPanel);
    316         lp = new WindowManager.LayoutParams(
    317                 ViewGroup.LayoutParams.WRAP_CONTENT,
    318                 ViewGroup.LayoutParams.WRAP_CONTENT,
    319                 WindowManager.LayoutParams.TYPE_STATUS_BAR_PANEL,
    320                 WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
    321                     | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM
    322                     | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH
    323                     | WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED,
    324                 PixelFormat.TRANSLUCENT);
    325         lp.gravity = Gravity.BOTTOM | Gravity.RIGHT;
    326         lp.setTitle("InputMethodsPanel");
    327         lp.windowAnimations = R.style.Animation_RecentPanel;
    328 
    329         mWindowManager.addView(mInputMethodsPanel, lp);
    330 
    331         // Compatibility mode selector panel
    332         mCompatModePanel = (CompatModePanel) View.inflate(context,
    333                 R.layout.system_bar_compat_mode_panel, null);
    334         mCompatModePanel.setOnTouchListener(new TouchOutsideListener(
    335                 MSG_CLOSE_COMPAT_MODE_PANEL, mCompatModePanel));
    336         mCompatModePanel.setTrigger(mCompatModeButton);
    337         mCompatModePanel.setVisibility(View.GONE);
    338         mStatusBarView.setIgnoreChildren(3, mCompatModeButton, mCompatModePanel);
    339         lp = new WindowManager.LayoutParams(
    340                 250,
    341                 ViewGroup.LayoutParams.WRAP_CONTENT,
    342                 WindowManager.LayoutParams.TYPE_STATUS_BAR_PANEL,
    343                 WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
    344                     | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM
    345                     | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH
    346                     | WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED,
    347                 PixelFormat.TRANSLUCENT);
    348         lp.gravity = Gravity.BOTTOM | Gravity.RIGHT;
    349         lp.setTitle("CompatModePanel");
    350         lp.windowAnimations = android.R.style.Animation_Dialog;
    351 
    352         mWindowManager.addView(mCompatModePanel, lp);
    353 
    354         mRecentButton.setOnTouchListener(mRecentsPreloadOnTouchListener);
    355 
    356         mPile = (NotificationRowLayout)mNotificationPanel.findViewById(R.id.content);
    357         mPile.removeAllViews();
    358         mPile.setLongPressListener(getNotificationLongClicker());
    359 
    360         ScrollView scroller = (ScrollView)mPile.getParent();
    361         scroller.setFillViewport(true);
    362     }
    363 
    364     @Override
    365     protected int getExpandedViewMaxHeight() {
    366         return getNotificationPanelHeight();
    367     }
    368 
    369     private int getNotificationPanelHeight() {
    370         final Resources res = mContext.getResources();
    371         final Display d = mWindowManager.getDefaultDisplay();
    372         final Point size = new Point();
    373         d.getRealSize(size);
    374         return Math.max(res.getDimensionPixelSize(R.dimen.notification_panel_min_height), size.y);
    375     }
    376 
    377     @Override
    378     public void start() {
    379         super.start(); // will add the main bar view
    380     }
    381 
    382     @Override
    383     protected void onConfigurationChanged(Configuration newConfig) {
    384         loadDimens();
    385         mNotificationPanelParams.height = getNotificationPanelHeight();
    386         mWindowManager.updateViewLayout(mNotificationPanel, mNotificationPanelParams);
    387         mShowSearchHoldoff = mContext.getResources().getInteger(
    388                 R.integer.config_show_search_delay);
    389         updateSearchPanel();
    390     }
    391 
    392     protected void loadDimens() {
    393         final Resources res = mContext.getResources();
    394 
    395         mNaturalBarHeight = res.getDimensionPixelSize(
    396                 com.android.internal.R.dimen.navigation_bar_height);
    397 
    398         int newIconSize = res.getDimensionPixelSize(
    399             com.android.internal.R.dimen.system_bar_icon_size);
    400         int newIconHPadding = res.getDimensionPixelSize(
    401             R.dimen.status_bar_icon_padding);
    402         int newNavIconWidth = res.getDimensionPixelSize(R.dimen.navigation_key_width);
    403         int newMenuNavIconWidth = res.getDimensionPixelSize(R.dimen.navigation_menu_key_width);
    404 
    405         if (mNavigationArea != null && newNavIconWidth != mNavIconWidth) {
    406             mNavIconWidth = newNavIconWidth;
    407 
    408             LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(
    409                      mNavIconWidth, ViewGroup.LayoutParams.MATCH_PARENT);
    410             mBackButton.setLayoutParams(lp);
    411             mHomeButton.setLayoutParams(lp);
    412             mRecentButton.setLayoutParams(lp);
    413         }
    414 
    415         if (mNavigationArea != null && newMenuNavIconWidth != mMenuNavIconWidth) {
    416             mMenuNavIconWidth = newMenuNavIconWidth;
    417 
    418             LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(
    419                      mMenuNavIconWidth, ViewGroup.LayoutParams.MATCH_PARENT);
    420             mMenuButton.setLayoutParams(lp);
    421         }
    422 
    423         if (newIconHPadding != mIconHPadding || newIconSize != mIconSize) {
    424 //            Slog.d(TAG, "size=" + newIconSize + " padding=" + newIconHPadding);
    425             mIconHPadding = newIconHPadding;
    426             mIconSize = newIconSize;
    427             reloadAllNotificationIcons(); // reload the tray
    428         }
    429 
    430         final int numIcons = res.getInteger(R.integer.config_maxNotificationIcons);
    431         if (numIcons != mMaxNotificationIcons) {
    432             mMaxNotificationIcons = numIcons;
    433             if (DEBUG) Slog.d(TAG, "max notification icons: " + mMaxNotificationIcons);
    434             reloadAllNotificationIcons();
    435         }
    436     }
    437 
    438     @Override
    439     public View getStatusBarView() {
    440         return mStatusBarView;
    441     }
    442 
    443     protected View makeStatusBarView() {
    444         final Context context = mContext;
    445 
    446         loadDimens();
    447 
    448         final TabletStatusBarView sb = (TabletStatusBarView)View.inflate(
    449                 context, R.layout.system_bar, null);
    450         mStatusBarView = sb;
    451 
    452         sb.setHandler(mHandler);
    453 
    454         try {
    455             // Sanity-check that someone hasn't set up the config wrong and asked for a navigation
    456             // bar on a tablet that has only the system bar
    457             if (mWindowManagerService.hasNavigationBar()) {
    458                 Slog.e(TAG, "Tablet device cannot show navigation bar and system bar");
    459             }
    460         } catch (RemoteException ex) {
    461         }
    462 
    463         mBarContents = (ViewGroup) sb.findViewById(R.id.bar_contents);
    464 
    465         // the whole right-hand side of the bar
    466         mNotificationArea = sb.findViewById(R.id.notificationArea);
    467         mNotificationArea.setOnTouchListener(new NotificationTriggerTouchListener());
    468 
    469         // the button to open the notification area
    470         mNotificationTrigger = sb.findViewById(R.id.notificationTrigger);
    471 
    472         // the more notifications icon
    473         mNotificationIconArea = (NotificationIconArea)sb.findViewById(R.id.notificationIcons);
    474 
    475         // where the icons go
    476         mIconLayout = (NotificationIconArea.IconLayout) sb.findViewById(R.id.icons);
    477 
    478         mNotificationPeekTapDuration = ViewConfiguration.getTapTimeout();
    479         mNotificationFlingVelocity = 300; // px/s
    480 
    481         mTicker = new TabletTicker(this);
    482 
    483         // The icons
    484         mLocationController = new LocationController(mContext); // will post a notification
    485 
    486         // watch the PREF_DO_NOT_DISTURB and convert to appropriate disable() calls
    487         mDoNotDisturb = new DoNotDisturb(mContext);
    488 
    489         mBatteryController = new BatteryController(mContext);
    490         mBatteryController.addIconView((ImageView)sb.findViewById(R.id.battery));
    491         mBluetoothController = new BluetoothController(mContext);
    492         mBluetoothController.addIconView((ImageView)sb.findViewById(R.id.bluetooth));
    493 
    494         mNetworkController = new NetworkController(mContext);
    495         final SignalClusterView signalCluster =
    496                 (SignalClusterView)sb.findViewById(R.id.signal_cluster);
    497         mNetworkController.addSignalCluster(signalCluster);
    498 
    499         // The navigation buttons
    500         mBackButton = (ImageView)sb.findViewById(R.id.back);
    501         mNavigationArea = (ViewGroup) sb.findViewById(R.id.navigationArea);
    502         mHomeButton = mNavigationArea.findViewById(R.id.home);
    503         mMenuButton = mNavigationArea.findViewById(R.id.menu);
    504         mRecentButton = mNavigationArea.findViewById(R.id.recent_apps);
    505         mRecentButton.setOnClickListener(mOnClickListener);
    506 
    507         LayoutTransition lt = new LayoutTransition();
    508         lt.setDuration(250);
    509         // don't wait for these transitions; we just want icons to fade in/out, not move around
    510         lt.setDuration(LayoutTransition.CHANGE_APPEARING, 0);
    511         lt.setDuration(LayoutTransition.CHANGE_DISAPPEARING, 0);
    512         lt.addTransitionListener(new LayoutTransition.TransitionListener() {
    513             public void endTransition(LayoutTransition transition, ViewGroup container,
    514                     View view, int transitionType) {
    515                 // ensure the menu button doesn't stick around on the status bar after it's been
    516                 // removed
    517                 mBarContents.invalidate();
    518             }
    519             public void startTransition(LayoutTransition transition, ViewGroup container,
    520                     View view, int transitionType) {}
    521         });
    522         mNavigationArea.setLayoutTransition(lt);
    523         // no multi-touch on the nav buttons
    524         mNavigationArea.setMotionEventSplittingEnabled(false);
    525 
    526         // The bar contents buttons
    527         mFeedbackIconArea = (ViewGroup)sb.findViewById(R.id.feedbackIconArea);
    528         mInputMethodSwitchButton = (InputMethodButton) sb.findViewById(R.id.imeSwitchButton);
    529         // Overwrite the lister
    530         mInputMethodSwitchButton.setOnClickListener(mOnClickListener);
    531 
    532         mCompatModeButton = (CompatModeButton) sb.findViewById(R.id.compatModeButton);
    533         mCompatModeButton.setOnClickListener(mOnClickListener);
    534         mCompatModeButton.setVisibility(View.GONE);
    535 
    536         // for redirecting errant bar taps to the IME
    537         mFakeSpaceBar = sb.findViewById(R.id.fake_space_bar);
    538 
    539         // "shadows" of the status bar features, for lights-out mode
    540         mShadow = sb.findViewById(R.id.bar_shadow);
    541         mShadow.setOnTouchListener(
    542             new View.OnTouchListener() {
    543                 public boolean onTouch(View v, MotionEvent ev) {
    544                     if (ev.getAction() == MotionEvent.ACTION_DOWN) {
    545                         // even though setting the systemUI visibility below will turn these views
    546                         // on, we need them to come up faster so that they can catch this motion
    547                         // event
    548                         mShadow.setVisibility(View.GONE);
    549                         mBarContents.setVisibility(View.VISIBLE);
    550 
    551                         try {
    552                             mBarService.setSystemUiVisibility(0, View.SYSTEM_UI_FLAG_LOW_PROFILE);
    553                         } catch (RemoteException ex) {
    554                             // system process dead
    555                         }
    556                     }
    557                     return false;
    558                 }
    559             });
    560 
    561         // tuning parameters
    562         final int LIGHTS_GOING_OUT_SYSBAR_DURATION = 750;
    563         final int LIGHTS_GOING_OUT_SHADOW_DURATION = 750;
    564         final int LIGHTS_GOING_OUT_SHADOW_DELAY    = 0;
    565 
    566         final int LIGHTS_COMING_UP_SYSBAR_DURATION = 200;
    567 //        final int LIGHTS_COMING_UP_SYSBAR_DELAY    = 50;
    568         final int LIGHTS_COMING_UP_SHADOW_DURATION = 0;
    569 
    570         LayoutTransition xition = new LayoutTransition();
    571         xition.setAnimator(LayoutTransition.APPEARING,
    572                ObjectAnimator.ofFloat(null, "alpha", 0.5f, 1f));
    573         xition.setDuration(LayoutTransition.APPEARING, LIGHTS_COMING_UP_SYSBAR_DURATION);
    574         xition.setStartDelay(LayoutTransition.APPEARING, 0);
    575         xition.setAnimator(LayoutTransition.DISAPPEARING,
    576                ObjectAnimator.ofFloat(null, "alpha", 1f, 0f));
    577         xition.setDuration(LayoutTransition.DISAPPEARING, LIGHTS_GOING_OUT_SYSBAR_DURATION);
    578         xition.setStartDelay(LayoutTransition.DISAPPEARING, 0);
    579         ((ViewGroup)sb.findViewById(R.id.bar_contents_holder)).setLayoutTransition(xition);
    580 
    581         xition = new LayoutTransition();
    582         xition.setAnimator(LayoutTransition.APPEARING,
    583                ObjectAnimator.ofFloat(null, "alpha", 0f, 1f));
    584         xition.setDuration(LayoutTransition.APPEARING, LIGHTS_GOING_OUT_SHADOW_DURATION);
    585         xition.setStartDelay(LayoutTransition.APPEARING, LIGHTS_GOING_OUT_SHADOW_DELAY);
    586         xition.setAnimator(LayoutTransition.DISAPPEARING,
    587                ObjectAnimator.ofFloat(null, "alpha", 1f, 0f));
    588         xition.setDuration(LayoutTransition.DISAPPEARING, LIGHTS_COMING_UP_SHADOW_DURATION);
    589         xition.setStartDelay(LayoutTransition.DISAPPEARING, 0);
    590         ((ViewGroup)sb.findViewById(R.id.bar_shadow_holder)).setLayoutTransition(xition);
    591 
    592         // set the initial view visibility
    593         setAreThereNotifications();
    594 
    595         // receive broadcasts
    596         IntentFilter filter = new IntentFilter();
    597         filter.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);
    598         filter.addAction(Intent.ACTION_SCREEN_OFF);
    599         context.registerReceiver(mBroadcastReceiver, filter);
    600 
    601         return sb;
    602     }
    603 
    604     @Override
    605     protected WindowManager.LayoutParams getRecentsLayoutParams(LayoutParams layoutParams) {
    606         WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
    607                 (int) mContext.getResources().getDimension(R.dimen.status_bar_recents_width),
    608                 ViewGroup.LayoutParams.MATCH_PARENT,
    609                 WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL,
    610                 WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
    611                 | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM
    612                 | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH
    613                 | WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED,
    614                 PixelFormat.TRANSLUCENT);
    615         lp.gravity = Gravity.BOTTOM | Gravity.LEFT;
    616         lp.setTitle("RecentsPanel");
    617         lp.windowAnimations = com.android.internal.R.style.Animation_RecentApplications;
    618         lp.softInputMode = WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED
    619             | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_NOTHING;
    620 
    621         return lp;
    622     }
    623 
    624     @Override
    625     protected WindowManager.LayoutParams getSearchLayoutParams(LayoutParams layoutParams) {
    626         boolean opaque = false;
    627         WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
    628                 LayoutParams.MATCH_PARENT,
    629                 LayoutParams.MATCH_PARENT,
    630                 WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL,
    631                 WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
    632                         | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM
    633                         | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH,
    634                 (opaque ? PixelFormat.OPAQUE : PixelFormat.TRANSLUCENT));
    635         if (ActivityManager.isHighEndGfx()) {
    636             lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
    637         } else {
    638             lp.flags |= WindowManager.LayoutParams.FLAG_DIM_BEHIND;
    639             lp.dimAmount = 0.7f;
    640         }
    641         lp.gravity = Gravity.BOTTOM | Gravity.LEFT;
    642         lp.setTitle("SearchPanel");
    643         // TODO: Define custom animation for Search panel
    644         lp.windowAnimations = com.android.internal.R.style.Animation_RecentApplications;
    645         lp.softInputMode = WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED
    646                 | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_NOTHING;
    647         return lp;
    648     }
    649 
    650     @Override
    651     protected void updateSearchPanel() {
    652         super.updateSearchPanel();
    653         mSearchPanelView.setStatusBarView(mStatusBarView);
    654         mStatusBarView.setDelegateView(mSearchPanelView);
    655     }
    656 
    657     @Override
    658     public void showSearchPanel() {
    659         super.showSearchPanel();
    660         WindowManager.LayoutParams lp =
    661             (android.view.WindowManager.LayoutParams) mStatusBarView.getLayoutParams();
    662         lp.flags &= ~WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL;
    663         mWindowManager.updateViewLayout(mStatusBarView, lp);
    664     }
    665 
    666     @Override
    667     public void hideSearchPanel() {
    668         super.hideSearchPanel();
    669         WindowManager.LayoutParams lp =
    670             (android.view.WindowManager.LayoutParams) mStatusBarView.getLayoutParams();
    671         lp.flags |= WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL;
    672         mWindowManager.updateViewLayout(mStatusBarView, lp);
    673     }
    674 
    675     public int getStatusBarHeight() {
    676         return mStatusBarView != null ? mStatusBarView.getHeight()
    677                 : mContext.getResources().getDimensionPixelSize(
    678                         com.android.internal.R.dimen.navigation_bar_height);
    679     }
    680 
    681     protected int getStatusBarGravity() {
    682         return Gravity.BOTTOM | Gravity.FILL_HORIZONTAL;
    683     }
    684 
    685     public void onBarHeightChanged(int height) {
    686         final WindowManager.LayoutParams lp
    687                 = (WindowManager.LayoutParams)mStatusBarView.getLayoutParams();
    688         if (lp == null) {
    689             // haven't been added yet
    690             return;
    691         }
    692         if (lp.height != height) {
    693             lp.height = height;
    694             mWindowManager.updateViewLayout(mStatusBarView, lp);
    695         }
    696     }
    697 
    698     @Override
    699     protected BaseStatusBar.H createHandler() {
    700         return new TabletStatusBar.H();
    701     }
    702 
    703     private class H extends BaseStatusBar.H {
    704         public void handleMessage(Message m) {
    705             super.handleMessage(m);
    706             switch (m.what) {
    707                 case MSG_OPEN_NOTIFICATION_PEEK:
    708                     if (DEBUG) Slog.d(TAG, "opening notification peek window; arg=" + m.arg1);
    709 
    710                     if (m.arg1 >= 0) {
    711                         final int N = mNotificationData.size();
    712 
    713                         if (!mNotificationDNDMode) {
    714                             if (mNotificationPeekIndex >= 0 && mNotificationPeekIndex < N) {
    715                                 NotificationData.Entry entry = mNotificationData.get(N-1-mNotificationPeekIndex);
    716                                 entry.icon.setBackgroundColor(0);
    717                                 mNotificationPeekIndex = -1;
    718                                 mNotificationPeekKey = null;
    719                             }
    720                         }
    721 
    722                         final int peekIndex = m.arg1;
    723                         if (peekIndex < N) {
    724                             //Slog.d(TAG, "loading peek: " + peekIndex);
    725                             NotificationData.Entry entry =
    726                                 mNotificationDNDMode
    727                                     ? mNotificationDNDDummyEntry
    728                                     : mNotificationData.get(N-1-peekIndex);
    729                             NotificationData.Entry copy = new NotificationData.Entry(
    730                                     entry.key,
    731                                     entry.notification,
    732                                     entry.icon);
    733                             inflateViews(copy, mNotificationPeekRow);
    734 
    735                             if (mNotificationDNDMode) {
    736                                 copy.content.setOnClickListener(new View.OnClickListener() {
    737                                     public void onClick(View v) {
    738                                         SharedPreferences.Editor editor = Prefs.edit(mContext);
    739                                         editor.putBoolean(Prefs.DO_NOT_DISTURB_PREF, false);
    740                                         editor.apply();
    741                                         animateCollapsePanels();
    742                                         visibilityChanged(false);
    743                                     }
    744                                 });
    745                             }
    746 
    747                             entry.icon.setBackgroundColor(0x20FFFFFF);
    748 
    749 //                          mNotificationPeekRow.setLayoutTransition(
    750 //                              peekIndex < mNotificationPeekIndex
    751 //                                  ? mNotificationPeekScrubLeft
    752 //                                  : mNotificationPeekScrubRight);
    753 
    754                             mNotificationPeekRow.removeAllViews();
    755                             mNotificationPeekRow.addView(copy.row);
    756 
    757                             mNotificationPeekWindow.setVisibility(View.VISIBLE);
    758                             mNotificationPanel.show(false, true);
    759 
    760                             mNotificationPeekIndex = peekIndex;
    761                             mNotificationPeekKey = entry.key;
    762                         }
    763                     }
    764                     break;
    765                 case MSG_CLOSE_NOTIFICATION_PEEK:
    766                     if (DEBUG) Slog.d(TAG, "closing notification peek window");
    767                     mNotificationPeekWindow.setVisibility(View.GONE);
    768                     mNotificationPeekRow.removeAllViews();
    769 
    770                     final int N = mNotificationData.size();
    771                     if (mNotificationPeekIndex >= 0 && mNotificationPeekIndex < N) {
    772                         NotificationData.Entry entry =
    773                             mNotificationDNDMode
    774                                 ? mNotificationDNDDummyEntry
    775                                 : mNotificationData.get(N-1-mNotificationPeekIndex);
    776                         entry.icon.setBackgroundColor(0);
    777                     }
    778 
    779                     mNotificationPeekIndex = -1;
    780                     mNotificationPeekKey = null;
    781                     break;
    782                 case MSG_OPEN_NOTIFICATION_PANEL:
    783                     if (DEBUG) Slog.d(TAG, "opening notifications panel");
    784                     if (!mNotificationPanel.isShowing()) {
    785                         mNotificationPanel.show(true, true);
    786                         mNotificationArea.setVisibility(View.INVISIBLE);
    787                         mTicker.halt();
    788                     }
    789                     break;
    790                 case MSG_CLOSE_NOTIFICATION_PANEL:
    791                     if (DEBUG) Slog.d(TAG, "closing notifications panel");
    792                     if (mNotificationPanel.isShowing()) {
    793                         mNotificationPanel.show(false, true);
    794                         mNotificationArea.setVisibility(View.VISIBLE);
    795                     }
    796                     break;
    797                 case MSG_OPEN_INPUT_METHODS_PANEL:
    798                     if (DEBUG) Slog.d(TAG, "opening input methods panel");
    799                     if (mInputMethodsPanel != null) mInputMethodsPanel.openPanel();
    800                     break;
    801                 case MSG_CLOSE_INPUT_METHODS_PANEL:
    802                     if (DEBUG) Slog.d(TAG, "closing input methods panel");
    803                     if (mInputMethodsPanel != null) mInputMethodsPanel.closePanel(false);
    804                     break;
    805                 case MSG_OPEN_COMPAT_MODE_PANEL:
    806                     if (DEBUG) Slog.d(TAG, "opening compat panel");
    807                     if (mCompatModePanel != null) mCompatModePanel.openPanel();
    808                     break;
    809                 case MSG_CLOSE_COMPAT_MODE_PANEL:
    810                     if (DEBUG) Slog.d(TAG, "closing compat panel");
    811                     if (mCompatModePanel != null) mCompatModePanel.closePanel();
    812                     break;
    813                 case MSG_SHOW_CHROME:
    814                     if (DEBUG) Slog.d(TAG, "hiding shadows (lights on)");
    815                     mBarContents.setVisibility(View.VISIBLE);
    816                     mShadow.setVisibility(View.GONE);
    817                     mSystemUiVisibility &= ~View.SYSTEM_UI_FLAG_LOW_PROFILE;
    818                     notifyUiVisibilityChanged();
    819                     break;
    820                 case MSG_HIDE_CHROME:
    821                     if (DEBUG) Slog.d(TAG, "showing shadows (lights out)");
    822                     animateCollapsePanels();
    823                     visibilityChanged(false);
    824                     mBarContents.setVisibility(View.GONE);
    825                     mShadow.setVisibility(View.VISIBLE);
    826                     mSystemUiVisibility |= View.SYSTEM_UI_FLAG_LOW_PROFILE;
    827                     notifyUiVisibilityChanged();
    828                     break;
    829                 case MSG_STOP_TICKER:
    830                     mTicker.halt();
    831                     break;
    832             }
    833         }
    834     }
    835 
    836     public void addIcon(String slot, int index, int viewIndex, StatusBarIcon icon) {
    837         if (DEBUG) Slog.d(TAG, "addIcon(" + slot + ") -> " + icon);
    838     }
    839 
    840     public void updateIcon(String slot, int index, int viewIndex,
    841             StatusBarIcon old, StatusBarIcon icon) {
    842         if (DEBUG) Slog.d(TAG, "updateIcon(" + slot + ") -> " + icon);
    843     }
    844 
    845     public void removeIcon(String slot, int index, int viewIndex) {
    846         if (DEBUG) Slog.d(TAG, "removeIcon(" + slot + ")");
    847     }
    848 
    849     public void addNotification(IBinder key, StatusBarNotification notification) {
    850         if (DEBUG) Slog.d(TAG, "addNotification(" + key + " -> " + notification + ")");
    851         addNotificationViews(key, notification);
    852 
    853         final boolean immersive = isImmersive();
    854         if (false && immersive) {
    855             // TODO: immersive mode popups for tablet
    856         } else if (notification.notification.fullScreenIntent != null) {
    857             // not immersive & a full-screen alert should be shown
    858             Slog.w(TAG, "Notification has fullScreenIntent and activity is not immersive;"
    859                     + " sending fullScreenIntent");
    860             try {
    861                 notification.notification.fullScreenIntent.send();
    862             } catch (PendingIntent.CanceledException e) {
    863             }
    864         } else {
    865             tick(key, notification, true);
    866         }
    867 
    868         setAreThereNotifications();
    869     }
    870 
    871     public void removeNotification(IBinder key) {
    872         if (DEBUG) Slog.d(TAG, "removeNotification(" + key + ")");
    873         removeNotificationViews(key);
    874         mTicker.remove(key);
    875         setAreThereNotifications();
    876     }
    877 
    878     public void showClock(boolean show) {
    879         View clock = mBarContents.findViewById(R.id.clock);
    880         View network_text = mBarContents.findViewById(R.id.network_text);
    881         if (clock != null) {
    882             clock.setVisibility(show ? View.VISIBLE : View.GONE);
    883         }
    884         if (network_text != null) {
    885             network_text.setVisibility((!show) ? View.VISIBLE : View.GONE);
    886         }
    887     }
    888 
    889     public void disable(int state) {
    890         int old = mDisabled;
    891         int diff = state ^ old;
    892         mDisabled = state;
    893 
    894         // act accordingly
    895         if ((diff & StatusBarManager.DISABLE_CLOCK) != 0) {
    896             boolean show = (state & StatusBarManager.DISABLE_CLOCK) == 0;
    897             Slog.i(TAG, "DISABLE_CLOCK: " + (show ? "no" : "yes"));
    898             showClock(show);
    899         }
    900         if ((diff & StatusBarManager.DISABLE_SYSTEM_INFO) != 0) {
    901             boolean show = (state & StatusBarManager.DISABLE_SYSTEM_INFO) == 0;
    902             Slog.i(TAG, "DISABLE_SYSTEM_INFO: " + (show ? "no" : "yes"));
    903             mNotificationTrigger.setVisibility(show ? View.VISIBLE : View.GONE);
    904         }
    905         if ((diff & StatusBarManager.DISABLE_EXPAND) != 0) {
    906             if ((state & StatusBarManager.DISABLE_EXPAND) != 0) {
    907                 Slog.i(TAG, "DISABLE_EXPAND: yes");
    908                 animateCollapsePanels();
    909                 visibilityChanged(false);
    910             }
    911         }
    912         if ((diff & StatusBarManager.DISABLE_NOTIFICATION_ICONS) != 0) {
    913             mNotificationDNDMode = Prefs.read(mContext)
    914                         .getBoolean(Prefs.DO_NOT_DISTURB_PREF, Prefs.DO_NOT_DISTURB_DEFAULT);
    915 
    916             if ((state & StatusBarManager.DISABLE_NOTIFICATION_ICONS) != 0) {
    917                 Slog.i(TAG, "DISABLE_NOTIFICATION_ICONS: yes" + (mNotificationDNDMode?" (DND)":""));
    918                 mTicker.halt();
    919             } else {
    920                 Slog.i(TAG, "DISABLE_NOTIFICATION_ICONS: no" + (mNotificationDNDMode?" (DND)":""));
    921             }
    922 
    923             // refresh icons to show either notifications or the DND message
    924             reloadAllNotificationIcons();
    925         } else if ((diff & StatusBarManager.DISABLE_NOTIFICATION_TICKER) != 0) {
    926             if ((state & StatusBarManager.DISABLE_NOTIFICATION_TICKER) != 0) {
    927                 mTicker.halt();
    928             }
    929         }
    930         if ((diff & (StatusBarManager.DISABLE_RECENT
    931                         | StatusBarManager.DISABLE_BACK
    932                         | StatusBarManager.DISABLE_HOME)) != 0) {
    933             setNavigationVisibility(state);
    934 
    935             if ((state & StatusBarManager.DISABLE_RECENT) != 0) {
    936                 // close recents if it's visible
    937                 mHandler.removeMessages(MSG_CLOSE_RECENTS_PANEL);
    938                 mHandler.sendEmptyMessage(MSG_CLOSE_RECENTS_PANEL);
    939             }
    940         }
    941     }
    942 
    943     private void setNavigationVisibility(int visibility) {
    944         boolean disableHome = ((visibility & StatusBarManager.DISABLE_HOME) != 0);
    945         boolean disableRecent = ((visibility & StatusBarManager.DISABLE_RECENT) != 0);
    946         boolean disableBack = ((visibility & StatusBarManager.DISABLE_BACK) != 0);
    947 
    948         mBackButton.setVisibility(disableBack ? View.INVISIBLE : View.VISIBLE);
    949         mHomeButton.setVisibility(disableHome ? View.INVISIBLE : View.VISIBLE);
    950         mRecentButton.setVisibility(disableRecent ? View.INVISIBLE : View.VISIBLE);
    951 
    952         mInputMethodSwitchButton.setScreenLocked(
    953                 (visibility & StatusBarManager.DISABLE_SYSTEM_INFO) != 0);
    954     }
    955 
    956     private boolean hasTicker(Notification n) {
    957         return n.tickerView != null || !TextUtils.isEmpty(n.tickerText);
    958     }
    959 
    960     @Override
    961     protected void tick(IBinder key, StatusBarNotification n, boolean firstTime) {
    962         // Don't show the ticker when the windowshade is open.
    963         if (mNotificationPanel.isShowing()) {
    964             return;
    965         }
    966         // If they asked for FLAG_ONLY_ALERT_ONCE, then only show this notification
    967         // if it's a new notification.
    968         if (!firstTime && (n.notification.flags & Notification.FLAG_ONLY_ALERT_ONCE) != 0) {
    969             return;
    970         }
    971         // Show the ticker if one is requested. Also don't do this
    972         // until status bar window is attached to the window manager,
    973         // because...  well, what's the point otherwise?  And trying to
    974         // run a ticker without being attached will crash!
    975         if (hasTicker(n.notification) && mStatusBarView.getWindowToken() != null) {
    976             if (0 == (mDisabled & (StatusBarManager.DISABLE_NOTIFICATION_ICONS
    977                             | StatusBarManager.DISABLE_NOTIFICATION_TICKER))) {
    978                 mTicker.add(key, n);
    979                 mFeedbackIconArea.setVisibility(View.GONE);
    980             }
    981         }
    982     }
    983 
    984     // called by TabletTicker when it's done with all queued ticks
    985     public void doneTicking() {
    986         mFeedbackIconArea.setVisibility(View.VISIBLE);
    987     }
    988 
    989     public void animateExpandNotificationsPanel() {
    990         mHandler.removeMessages(MSG_OPEN_NOTIFICATION_PANEL);
    991         mHandler.sendEmptyMessage(MSG_OPEN_NOTIFICATION_PANEL);
    992     }
    993 
    994     public void animateCollapsePanels() {
    995         animateCollapsePanels(CommandQueue.FLAG_EXCLUDE_NONE);
    996     }
    997 
    998     public void animateCollapsePanels(int flags) {
    999         if ((flags & CommandQueue.FLAG_EXCLUDE_NOTIFICATION_PANEL) == 0) {
   1000             mHandler.removeMessages(MSG_CLOSE_NOTIFICATION_PANEL);
   1001             mHandler.sendEmptyMessage(MSG_CLOSE_NOTIFICATION_PANEL);
   1002         }
   1003         if ((flags & CommandQueue.FLAG_EXCLUDE_RECENTS_PANEL) == 0) {
   1004             mHandler.removeMessages(MSG_CLOSE_RECENTS_PANEL);
   1005             mHandler.sendEmptyMessage(MSG_CLOSE_RECENTS_PANEL);
   1006         }
   1007         if ((flags & CommandQueue.FLAG_EXCLUDE_SEARCH_PANEL) == 0) {
   1008             mHandler.removeMessages(MSG_CLOSE_SEARCH_PANEL);
   1009             mHandler.sendEmptyMessage(MSG_CLOSE_SEARCH_PANEL);
   1010         }
   1011         if ((flags & CommandQueue.FLAG_EXCLUDE_INPUT_METHODS_PANEL) == 0) {
   1012             mHandler.removeMessages(MSG_CLOSE_INPUT_METHODS_PANEL);
   1013             mHandler.sendEmptyMessage(MSG_CLOSE_INPUT_METHODS_PANEL);
   1014         }
   1015         if ((flags & CommandQueue.FLAG_EXCLUDE_COMPAT_MODE_PANEL) == 0) {
   1016             mHandler.removeMessages(MSG_CLOSE_COMPAT_MODE_PANEL);
   1017             mHandler.sendEmptyMessage(MSG_CLOSE_COMPAT_MODE_PANEL);
   1018         }
   1019 
   1020     }
   1021 
   1022     @Override
   1023     public void animateExpandSettingsPanel() {
   1024         // TODO: Implement when TabletStatusBar begins to be used.
   1025     }
   1026 
   1027     @Override // CommandQueue
   1028     public void setNavigationIconHints(int hints) {
   1029         if (hints == mNavigationIconHints) return;
   1030 
   1031         if (DEBUG) {
   1032             android.widget.Toast.makeText(mContext,
   1033                 "Navigation icon hints = " + hints,
   1034                 500).show();
   1035         }
   1036 
   1037         mNavigationIconHints = hints;
   1038 
   1039         mBackButton.setAlpha(
   1040             (0 != (hints & StatusBarManager.NAVIGATION_HINT_BACK_NOP)) ? 0.5f : 1.0f);
   1041         mHomeButton.setAlpha(
   1042             (0 != (hints & StatusBarManager.NAVIGATION_HINT_HOME_NOP)) ? 0.5f : 1.0f);
   1043         mRecentButton.setAlpha(
   1044             (0 != (hints & StatusBarManager.NAVIGATION_HINT_RECENT_NOP)) ? 0.5f : 1.0f);
   1045 
   1046         mBackButton.setImageResource(
   1047             (0 != (hints & StatusBarManager.NAVIGATION_HINT_BACK_ALT))
   1048                 ? R.drawable.ic_sysbar_back_ime
   1049                 : R.drawable.ic_sysbar_back);
   1050     }
   1051 
   1052     private void notifyUiVisibilityChanged() {
   1053         try {
   1054             mWindowManagerService.statusBarVisibilityChanged(mSystemUiVisibility);
   1055         } catch (RemoteException ex) {
   1056         }
   1057     }
   1058 
   1059     @Override // CommandQueue
   1060     public void setSystemUiVisibility(int vis, int mask) {
   1061         final int oldVal = mSystemUiVisibility;
   1062         final int newVal = (oldVal&~mask) | (vis&mask);
   1063         final int diff = newVal ^ oldVal;
   1064 
   1065         if (diff != 0) {
   1066             mSystemUiVisibility = newVal;
   1067 
   1068             if (0 != (diff & View.SYSTEM_UI_FLAG_LOW_PROFILE)) {
   1069                 mHandler.removeMessages(MSG_HIDE_CHROME);
   1070                 mHandler.removeMessages(MSG_SHOW_CHROME);
   1071                 mHandler.sendEmptyMessage(0 == (vis & View.SYSTEM_UI_FLAG_LOW_PROFILE)
   1072                         ? MSG_SHOW_CHROME : MSG_HIDE_CHROME);
   1073             }
   1074 
   1075             notifyUiVisibilityChanged();
   1076         }
   1077     }
   1078 
   1079     public void setLightsOn(boolean on) {
   1080         // Policy note: if the frontmost activity needs the menu key, we assume it is a legacy app
   1081         // that can't handle lights-out mode.
   1082         if (mMenuButton.getVisibility() == View.VISIBLE) {
   1083             on = true;
   1084         }
   1085 
   1086         Slog.v(TAG, "setLightsOn(" + on + ")");
   1087         if (on) {
   1088             setSystemUiVisibility(0, View.SYSTEM_UI_FLAG_LOW_PROFILE);
   1089         } else {
   1090             setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE, View.SYSTEM_UI_FLAG_LOW_PROFILE);
   1091         }
   1092     }
   1093 
   1094     public void topAppWindowChanged(boolean showMenu) {
   1095         if (DEBUG) {
   1096             Slog.d(TAG, (showMenu?"showing":"hiding") + " the MENU button");
   1097         }
   1098         mMenuButton.setVisibility(showMenu ? View.VISIBLE : View.GONE);
   1099 
   1100         // See above re: lights-out policy for legacy apps.
   1101         if (showMenu) setLightsOn(true);
   1102 
   1103         mCompatModeButton.refresh();
   1104         if (mCompatModeButton.getVisibility() == View.VISIBLE) {
   1105             if (DEBUG_COMPAT_HELP
   1106                     || ! Prefs.read(mContext).getBoolean(Prefs.SHOWN_COMPAT_MODE_HELP, false)) {
   1107                 showCompatibilityHelp();
   1108             }
   1109         } else {
   1110             hideCompatibilityHelp();
   1111             mCompatModePanel.closePanel();
   1112         }
   1113     }
   1114 
   1115     private void showCompatibilityHelp() {
   1116         if (mCompatibilityHelpDialog != null) {
   1117             return;
   1118         }
   1119 
   1120         mCompatibilityHelpDialog = View.inflate(mContext, R.layout.compat_mode_help, null);
   1121         View button = mCompatibilityHelpDialog.findViewById(R.id.button);
   1122 
   1123         button.setOnClickListener(new View.OnClickListener() {
   1124             @Override
   1125             public void onClick(View v) {
   1126                 hideCompatibilityHelp();
   1127                 SharedPreferences.Editor editor = Prefs.edit(mContext);
   1128                 editor.putBoolean(Prefs.SHOWN_COMPAT_MODE_HELP, true);
   1129                 editor.apply();
   1130             }
   1131         });
   1132 
   1133         WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
   1134                 ViewGroup.LayoutParams.MATCH_PARENT,
   1135                 ViewGroup.LayoutParams.MATCH_PARENT,
   1136                 WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG,
   1137                 WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
   1138                     | WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS
   1139                     | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
   1140                 PixelFormat.TRANSLUCENT);
   1141         lp.setTitle("CompatibilityModeDialog");
   1142         lp.softInputMode = WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED
   1143                 | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_NOTHING;
   1144         lp.windowAnimations = com.android.internal.R.style.Animation_ZoomButtons; // simple fade
   1145 
   1146         mWindowManager.addView(mCompatibilityHelpDialog, lp);
   1147     }
   1148 
   1149     private void hideCompatibilityHelp() {
   1150         if (mCompatibilityHelpDialog != null) {
   1151             mWindowManager.removeView(mCompatibilityHelpDialog);
   1152             mCompatibilityHelpDialog = null;
   1153         }
   1154     }
   1155 
   1156     public void setImeWindowStatus(IBinder token, int vis, int backDisposition) {
   1157         mInputMethodSwitchButton.setImeWindowStatus(token,
   1158                 (vis & InputMethodService.IME_ACTIVE) != 0);
   1159         updateNotificationIcons();
   1160         mInputMethodsPanel.setImeToken(token);
   1161 
   1162         boolean altBack = (backDisposition == InputMethodService.BACK_DISPOSITION_WILL_DISMISS)
   1163             || ((vis & InputMethodService.IME_VISIBLE) != 0);
   1164         mAltBackButtonEnabledForIme = altBack;
   1165 
   1166         mCommandQueue.setNavigationIconHints(
   1167                 altBack ? (mNavigationIconHints | StatusBarManager.NAVIGATION_HINT_BACK_ALT)
   1168                         : (mNavigationIconHints & ~StatusBarManager.NAVIGATION_HINT_BACK_ALT));
   1169 
   1170         if (FAKE_SPACE_BAR) {
   1171             mFakeSpaceBar.setVisibility(((vis & InputMethodService.IME_VISIBLE) != 0)
   1172                     ? View.VISIBLE : View.GONE);
   1173         }
   1174     }
   1175 
   1176     @Override
   1177     public void setHardKeyboardStatus(boolean available, boolean enabled) {
   1178         if (DEBUG) {
   1179             Slog.d(TAG, "Set hard keyboard status: available=" + available
   1180                     + ", enabled=" + enabled);
   1181         }
   1182         mInputMethodSwitchButton.setHardKeyboardStatus(available);
   1183         updateNotificationIcons();
   1184         mInputMethodsPanel.setHardKeyboardStatus(available, enabled);
   1185     }
   1186 
   1187     @Override
   1188     public void onHardKeyboardEnabledChange(boolean enabled) {
   1189         try {
   1190             mBarService.setHardKeyboardEnabled(enabled);
   1191         } catch (RemoteException ex) {
   1192         }
   1193     }
   1194 
   1195     private boolean isImmersive() {
   1196         try {
   1197             return ActivityManagerNative.getDefault().isTopActivityImmersive();
   1198             //Slog.d(TAG, "Top activity is " + (immersive?"immersive":"not immersive"));
   1199         } catch (RemoteException ex) {
   1200             // the end is nigh
   1201             return false;
   1202         }
   1203     }
   1204 
   1205     @Override
   1206     protected void setAreThereNotifications() {
   1207         if (mNotificationPanel != null) {
   1208             mNotificationPanel.setClearable(isDeviceProvisioned() && mNotificationData.hasClearableItems());
   1209         }
   1210     }
   1211 
   1212     private View.OnClickListener mOnClickListener = new View.OnClickListener() {
   1213         public void onClick(View v) {
   1214             if (v == mRecentButton) {
   1215                 onClickRecentButton();
   1216             } else if (v == mInputMethodSwitchButton) {
   1217                 onClickInputMethodSwitchButton();
   1218             } else if (v == mCompatModeButton) {
   1219                 onClickCompatModeButton();
   1220             }
   1221         }
   1222     };
   1223 
   1224     public void onClickRecentButton() {
   1225         if (DEBUG) Slog.d(TAG, "clicked recent apps; disabled=" + mDisabled);
   1226         if ((mDisabled & StatusBarManager.DISABLE_EXPAND) == 0) {
   1227             toggleRecentApps();
   1228         }
   1229     }
   1230 
   1231     public void onClickInputMethodSwitchButton() {
   1232         if (DEBUG) Slog.d(TAG, "clicked input methods panel; disabled=" + mDisabled);
   1233         int msg = (mInputMethodsPanel.getVisibility() == View.GONE) ?
   1234                 MSG_OPEN_INPUT_METHODS_PANEL : MSG_CLOSE_INPUT_METHODS_PANEL;
   1235         mHandler.removeMessages(msg);
   1236         mHandler.sendEmptyMessage(msg);
   1237     }
   1238 
   1239     public void onClickCompatModeButton() {
   1240         int msg = (mCompatModePanel.getVisibility() == View.GONE) ?
   1241                 MSG_OPEN_COMPAT_MODE_PANEL : MSG_CLOSE_COMPAT_MODE_PANEL;
   1242         mHandler.removeMessages(msg);
   1243         mHandler.sendEmptyMessage(msg);
   1244     }
   1245 
   1246     private class NotificationTriggerTouchListener implements View.OnTouchListener {
   1247         VelocityTracker mVT;
   1248         float mInitialTouchX, mInitialTouchY;
   1249         int mTouchSlop;
   1250 
   1251         public NotificationTriggerTouchListener() {
   1252             mTouchSlop = ViewConfiguration.get(getContext()).getScaledTouchSlop();
   1253         }
   1254 
   1255         private Runnable mHiliteOnR = new Runnable() { public void run() {
   1256             mNotificationArea.setBackgroundResource(
   1257                 com.android.internal.R.drawable.list_selector_pressed_holo_dark);
   1258         }};
   1259         public void hilite(final boolean on) {
   1260             if (on) {
   1261                 mNotificationArea.postDelayed(mHiliteOnR, 100);
   1262             } else {
   1263                 mNotificationArea.removeCallbacks(mHiliteOnR);
   1264                 mNotificationArea.setBackground(null);
   1265             }
   1266         }
   1267 
   1268         public boolean onTouch(View v, MotionEvent event) {
   1269 //            Slog.d(TAG, String.format("touch: (%.1f, %.1f) initial: (%.1f, %.1f)",
   1270 //                        event.getX(),
   1271 //                        event.getY(),
   1272 //                        mInitialTouchX,
   1273 //                        mInitialTouchY));
   1274 
   1275             if ((mDisabled & StatusBarManager.DISABLE_EXPAND) != 0) {
   1276                 return true;
   1277             }
   1278 
   1279             final int action = event.getAction();
   1280             switch (action) {
   1281                 case MotionEvent.ACTION_DOWN:
   1282                     mVT = VelocityTracker.obtain();
   1283                     mInitialTouchX = event.getX();
   1284                     mInitialTouchY = event.getY();
   1285                     hilite(true);
   1286                     // fall through
   1287                 case MotionEvent.ACTION_OUTSIDE:
   1288                 case MotionEvent.ACTION_MOVE:
   1289                     // check for fling
   1290                     if (mVT != null) {
   1291                         mVT.addMovement(event);
   1292                         mVT.computeCurrentVelocity(1000); // pixels per second
   1293                         // require a little more oomph once we're already in peekaboo mode
   1294                         if (mVT.getYVelocity() < -mNotificationFlingVelocity) {
   1295                             animateExpandNotificationsPanel();
   1296                             visibilityChanged(true);
   1297                             hilite(false);
   1298                             mVT.recycle();
   1299                             mVT = null;
   1300                         }
   1301                     }
   1302                     return true;
   1303                 case MotionEvent.ACTION_UP:
   1304                 case MotionEvent.ACTION_CANCEL:
   1305                     hilite(false);
   1306                     if (mVT != null) {
   1307                         if (action == MotionEvent.ACTION_UP
   1308                          // was this a sloppy tap?
   1309                          && Math.abs(event.getX() - mInitialTouchX) < mTouchSlop
   1310                          && Math.abs(event.getY() - mInitialTouchY) < (mTouchSlop / 3)
   1311                          // dragging off the bottom doesn't count
   1312                          && (int)event.getY() < v.getBottom()) {
   1313                             animateExpandNotificationsPanel();
   1314                             visibilityChanged(true);
   1315                             v.sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_CLICKED);
   1316                             v.playSoundEffect(SoundEffectConstants.CLICK);
   1317                         }
   1318 
   1319                         mVT.recycle();
   1320                         mVT = null;
   1321                         return true;
   1322                     }
   1323             }
   1324             return false;
   1325         }
   1326     }
   1327 
   1328     public void resetNotificationPeekFadeTimer() {
   1329         if (DEBUG) {
   1330             Slog.d(TAG, "setting peek fade timer for " + NOTIFICATION_PEEK_FADE_DELAY
   1331                 + "ms from now");
   1332         }
   1333         mHandler.removeMessages(MSG_CLOSE_NOTIFICATION_PEEK);
   1334         mHandler.sendEmptyMessageDelayed(MSG_CLOSE_NOTIFICATION_PEEK,
   1335                 NOTIFICATION_PEEK_FADE_DELAY);
   1336     }
   1337 
   1338     private void reloadAllNotificationIcons() {
   1339         if (mIconLayout == null) return;
   1340         mIconLayout.removeAllViews();
   1341         updateNotificationIcons();
   1342     }
   1343 
   1344     @Override
   1345     protected void updateNotificationIcons() {
   1346         // XXX: need to implement a new limited linear layout class
   1347         // to avoid removing & readding everything
   1348 
   1349         if (mIconLayout == null) return;
   1350 
   1351         // first, populate the main notification panel
   1352         loadNotificationPanel();
   1353 
   1354         final LinearLayout.LayoutParams params
   1355             = new LinearLayout.LayoutParams(mIconSize + 2*mIconHPadding, mNaturalBarHeight);
   1356 
   1357         // alternate behavior in DND mode
   1358         if (mNotificationDNDMode) {
   1359             if (mIconLayout.getChildCount() == 0) {
   1360                 final Notification dndNotification = new Notification.Builder(mContext)
   1361                     .setContentTitle(mContext.getText(R.string.notifications_off_title))
   1362                     .setContentText(mContext.getText(R.string.notifications_off_text))
   1363                     .setSmallIcon(R.drawable.ic_notification_dnd)
   1364                     .setOngoing(true)
   1365                     .getNotification();
   1366 
   1367                 final StatusBarIconView iconView = new StatusBarIconView(mContext, "_dnd",
   1368                         dndNotification);
   1369                 iconView.setImageResource(R.drawable.ic_notification_dnd);
   1370                 iconView.setScaleType(ImageView.ScaleType.CENTER_INSIDE);
   1371                 iconView.setPadding(mIconHPadding, 0, mIconHPadding, 0);
   1372 
   1373                 mNotificationDNDDummyEntry = new NotificationData.Entry(
   1374                         null, new StatusBarNotification("", 0, "", 0, 0, Notification.PRIORITY_MAX,
   1375                                 dndNotification, android.os.Process.myUserHandle()), iconView);
   1376 
   1377                 mIconLayout.addView(iconView, params);
   1378             }
   1379 
   1380             return;
   1381         } else if (0 != (mDisabled & StatusBarManager.DISABLE_NOTIFICATION_ICONS)) {
   1382             // if icons are disabled but we're not in DND mode, this is probably Setup and we should
   1383             // just leave the area totally empty
   1384             return;
   1385         }
   1386 
   1387         int N = mNotificationData.size();
   1388 
   1389         if (DEBUG) {
   1390             Slog.d(TAG, "refreshing icons: " + N + " notifications, mIconLayout=" + mIconLayout);
   1391         }
   1392 
   1393         ArrayList<View> toShow = new ArrayList<View>();
   1394 
   1395         // Extra Special Icons
   1396         // The IME switcher and compatibility mode icons take the place of notifications. You didn't
   1397         // need to see all those new emails, did you?
   1398         int maxNotificationIconsCount = mMaxNotificationIcons;
   1399         if (mInputMethodSwitchButton.getVisibility() != View.GONE) maxNotificationIconsCount --;
   1400         if (mCompatModeButton.getVisibility()        != View.GONE) maxNotificationIconsCount --;
   1401 
   1402         final boolean provisioned = isDeviceProvisioned();
   1403         // If the device hasn't been through Setup, we only show system notifications
   1404         for (int i=0; toShow.size()< maxNotificationIconsCount; i++) {
   1405             if (i >= N) break;
   1406             Entry ent = mNotificationData.get(N-i-1);
   1407             if ((provisioned && ent.notification.score >= HIDE_ICONS_BELOW_SCORE)
   1408                     || showNotificationEvenIfUnprovisioned(ent.notification)) {
   1409                 toShow.add(ent.icon);
   1410             }
   1411         }
   1412 
   1413         ArrayList<View> toRemove = new ArrayList<View>();
   1414         for (int i=0; i<mIconLayout.getChildCount(); i++) {
   1415             View child = mIconLayout.getChildAt(i);
   1416             if (!toShow.contains(child)) {
   1417                 toRemove.add(child);
   1418             }
   1419         }
   1420 
   1421         for (View remove : toRemove) {
   1422             mIconLayout.removeView(remove);
   1423         }
   1424 
   1425         for (int i=0; i<toShow.size(); i++) {
   1426             View v = toShow.get(i);
   1427             v.setPadding(mIconHPadding, 0, mIconHPadding, 0);
   1428             if (v.getParent() == null) {
   1429                 mIconLayout.addView(v, i, params);
   1430             }
   1431         }
   1432     }
   1433 
   1434     private void loadNotificationPanel() {
   1435         int N = mNotificationData.size();
   1436 
   1437         ArrayList<View> toShow = new ArrayList<View>();
   1438 
   1439         final boolean provisioned = isDeviceProvisioned();
   1440         // If the device hasn't been through Setup, we only show system notifications
   1441         for (int i=0; i<N; i++) {
   1442             Entry ent = mNotificationData.get(N-i-1);
   1443             if (provisioned || showNotificationEvenIfUnprovisioned(ent.notification)) {
   1444                 toShow.add(ent.row);
   1445             }
   1446         }
   1447 
   1448         ArrayList<View> toRemove = new ArrayList<View>();
   1449         for (int i=0; i<mPile.getChildCount(); i++) {
   1450             View child = mPile.getChildAt(i);
   1451             if (!toShow.contains(child)) {
   1452                 toRemove.add(child);
   1453             }
   1454         }
   1455 
   1456         for (View remove : toRemove) {
   1457             mPile.removeView(remove);
   1458         }
   1459 
   1460         for (int i=0; i<toShow.size(); i++) {
   1461             View v = toShow.get(i);
   1462             if (v.getParent() == null) {
   1463                 // the notification panel has the most important things at the bottom
   1464                 mPile.addView(v, Math.min(toShow.size()-1-i, mPile.getChildCount()));
   1465             }
   1466         }
   1467 
   1468         mNotificationPanel.setNotificationCount(toShow.size());
   1469         mNotificationPanel.setSettingsEnabled(isDeviceProvisioned());
   1470     }
   1471 
   1472     @Override
   1473     protected void workAroundBadLayerDrawableOpacity(View v) {
   1474         Drawable bgd = v.getBackground();
   1475         if (!(bgd instanceof LayerDrawable)) return;
   1476 
   1477         LayerDrawable d = (LayerDrawable) bgd;
   1478         v.setBackground(null);
   1479         d.setOpacity(PixelFormat.TRANSLUCENT);
   1480         v.setBackground(d);
   1481     }
   1482 
   1483     public void clearAll() {
   1484         try {
   1485             mBarService.onClearAllNotifications();
   1486         } catch (RemoteException ex) {
   1487             // system process is dead if we're here.
   1488         }
   1489         animateCollapsePanels();
   1490         visibilityChanged(false);
   1491     }
   1492 
   1493     private BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {
   1494         public void onReceive(Context context, Intent intent) {
   1495             String action = intent.getAction();
   1496             if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action)
   1497                 || Intent.ACTION_SCREEN_OFF.equals(action)) {
   1498                 int flags = CommandQueue.FLAG_EXCLUDE_NONE;
   1499                 if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action)) {
   1500                     String reason = intent.getStringExtra("reason");
   1501                     if (reason != null && reason.equals(SYSTEM_DIALOG_REASON_RECENT_APPS)) {
   1502                         flags |= CommandQueue.FLAG_EXCLUDE_RECENTS_PANEL;
   1503                     }
   1504                 }
   1505                 animateCollapsePanels(flags);
   1506             }
   1507         }
   1508     };
   1509 
   1510     public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
   1511         pw.print("mDisabled=0x");
   1512         pw.println(Integer.toHexString(mDisabled));
   1513         pw.println("mNetworkController:");
   1514         mNetworkController.dump(fd, pw, args);
   1515     }
   1516 
   1517     @Override
   1518     protected boolean isTopNotification(ViewGroup parent, NotificationData.Entry entry) {
   1519         if (parent == null || entry == null) return false;
   1520         return parent.indexOfChild(entry.row) == parent.getChildCount()-1;
   1521     }
   1522 
   1523     @Override
   1524     protected void haltTicker() {
   1525         mTicker.halt();
   1526     }
   1527 
   1528     @Override
   1529     protected void updateExpandedViewPos(int expandedPosition) {
   1530     }
   1531 
   1532     @Override
   1533     protected boolean shouldDisableNavbarGestures() {
   1534         return mNotificationPanel.getVisibility() == View.VISIBLE
   1535                 || (mDisabled & StatusBarManager.DISABLE_HOME) != 0;
   1536     }
   1537 }
   1538 
   1539 
   1540