TabletStatusBar.java revision a073e570789e5b49e8339af44516444b13db4428 
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
17package com.android.systemui.statusbar.tablet;
18
19import android.animation.LayoutTransition;
20import android.animation.ObjectAnimator;
21import android.app.ActivityManager;
22import android.app.ActivityManagerNative;
23import android.app.Notification;
24import android.app.PendingIntent;
25import android.app.StatusBarManager;
26import android.content.BroadcastReceiver;
27import android.content.Context;
28import android.content.Intent;
29import android.content.IntentFilter;
30import android.content.SharedPreferences;
31import android.content.res.Configuration;
32import android.content.res.Resources;
33import android.graphics.PixelFormat;
34import android.graphics.Point;
35import android.graphics.drawable.Drawable;
36import android.graphics.drawable.LayerDrawable;
37import android.inputmethodservice.InputMethodService;
38import android.os.IBinder;
39import android.os.Message;
40import android.os.RemoteException;
41import android.os.ServiceManager;
42import android.text.TextUtils;
43import android.util.Slog;
44import android.view.Display;
45import android.view.Gravity;
46import android.view.IWindowManager;
47import android.view.KeyEvent;
48import android.view.MotionEvent;
49import android.view.SoundEffectConstants;
50import android.view.VelocityTracker;
51import android.view.View;
52import android.view.ViewConfiguration;
53import android.view.ViewGroup;
54import android.view.ViewGroup.LayoutParams;
55import android.view.WindowManager;
56import android.view.WindowManagerImpl;
57import android.view.accessibility.AccessibilityEvent;
58import android.widget.ImageView;
59import android.widget.LinearLayout;
60import android.widget.RemoteViews;
61import android.widget.ScrollView;
62import android.widget.TextView;
63
64import com.android.internal.statusbar.StatusBarIcon;
65import com.android.internal.statusbar.StatusBarNotification;
66import com.android.systemui.R;
67import com.android.systemui.recent.RecentTasksLoader;
68import com.android.systemui.recent.RecentsPanelView;
69import com.android.systemui.statusbar.BaseStatusBar;
70import com.android.systemui.statusbar.DoNotDisturb;
71import com.android.systemui.statusbar.NotificationData;
72import com.android.systemui.statusbar.SignalClusterView;
73import com.android.systemui.statusbar.StatusBarIconView;
74import com.android.systemui.statusbar.NotificationData.Entry;
75import com.android.systemui.statusbar.policy.BatteryController;
76import com.android.systemui.statusbar.policy.BluetoothController;
77import com.android.systemui.statusbar.policy.CompatModeButton;
78import com.android.systemui.statusbar.policy.LocationController;
79import com.android.systemui.statusbar.policy.NetworkController;
80import com.android.systemui.statusbar.policy.NotificationRowLayout;
81import com.android.systemui.statusbar.policy.Prefs;
82
83import java.io.FileDescriptor;
84import java.io.PrintWriter;
85import java.util.ArrayList;
86
87public class TabletStatusBar extends BaseStatusBar implements
88        InputMethodsPanel.OnHardKeyboardEnabledChangeListener,
89        RecentsPanelView.OnRecentsPanelVisibilityChangedListener {
90    public static final boolean DEBUG = false;
91    public static final boolean DEBUG_COMPAT_HELP = false;
92    public static final String TAG = "TabletStatusBar";
93
94
95    public static final int MSG_OPEN_NOTIFICATION_PANEL = 1000;
96    public static final int MSG_CLOSE_NOTIFICATION_PANEL = 1001;
97    public static final int MSG_OPEN_NOTIFICATION_PEEK = 1002;
98    public static final int MSG_CLOSE_NOTIFICATION_PEEK = 1003;
99    // 1020-1029 reserved for BaseStatusBar
100    public static final int MSG_SHOW_CHROME = 1030;
101    public static final int MSG_HIDE_CHROME = 1031;
102    public static final int MSG_OPEN_INPUT_METHODS_PANEL = 1040;
103    public static final int MSG_CLOSE_INPUT_METHODS_PANEL = 1041;
104    public static final int MSG_OPEN_COMPAT_MODE_PANEL = 1050;
105    public static final int MSG_CLOSE_COMPAT_MODE_PANEL = 1051;
106    public static final int MSG_STOP_TICKER = 2000;
107
108    // Fitts' Law assistance for LatinIME; see policy.EventHole
109    private static final boolean FAKE_SPACE_BAR = true;
110
111    // Notification "peeking" (flyover preview of individual notifications)
112    final static int NOTIFICATION_PEEK_HOLD_THRESH = 200; // ms
113    final static int NOTIFICATION_PEEK_FADE_DELAY = 3000; // ms
114
115    private static final int NOTIFICATION_PRIORITY_MULTIPLIER = 10; // see NotificationManagerService
116    private static final int HIDE_ICONS_BELOW_SCORE = Notification.PRIORITY_LOW * NOTIFICATION_PRIORITY_MULTIPLIER;
117
118    // The height of the bar, as definied by the build.  It may be taller if we're plugged
119    // into hdmi.
120    int mNaturalBarHeight = -1;
121    int mIconSize = -1;
122    int mIconHPadding = -1;
123    int mNavIconWidth = -1;
124    int mMenuNavIconWidth = -1;
125    private int mMaxNotificationIcons = 5;
126
127    IWindowManager mWindowManager;
128
129    TabletStatusBarView mStatusBarView;
130    View mNotificationArea;
131    View mNotificationTrigger;
132    NotificationIconArea mNotificationIconArea;
133    ViewGroup mNavigationArea;
134
135    boolean mNotificationDNDMode;
136    NotificationData.Entry mNotificationDNDDummyEntry;
137
138    ImageView mBackButton;
139    View mHomeButton;
140    View mMenuButton;
141    View mRecentButton;
142    private boolean mAltBackButtonEnabledForIme;
143
144    ViewGroup mFeedbackIconArea; // notification icons, IME icon, compat icon
145    InputMethodButton mInputMethodSwitchButton;
146    CompatModeButton mCompatModeButton;
147
148    NotificationPanel mNotificationPanel;
149    WindowManager.LayoutParams mNotificationPanelParams;
150    NotificationPeekPanel mNotificationPeekWindow;
151    ViewGroup mNotificationPeekRow;
152    int mNotificationPeekIndex;
153    IBinder mNotificationPeekKey;
154    LayoutTransition mNotificationPeekScrubLeft, mNotificationPeekScrubRight;
155
156    int mNotificationPeekTapDuration;
157    int mNotificationFlingVelocity;
158
159    BatteryController mBatteryController;
160    BluetoothController mBluetoothController;
161    LocationController mLocationController;
162    NetworkController mNetworkController;
163    DoNotDisturb mDoNotDisturb;
164
165    ViewGroup mBarContents;
166
167    // hide system chrome ("lights out") support
168    View mShadow;
169
170    NotificationIconArea.IconLayout mIconLayout;
171
172    TabletTicker mTicker;
173
174    View mFakeSpaceBar;
175    KeyEvent mSpaceBarKeyEvent = null;
176
177    View mCompatibilityHelpDialog = null;
178
179    // for disabling the status bar
180    int mDisabled = 0;
181
182    private InputMethodsPanel mInputMethodsPanel;
183    private CompatModePanel mCompatModePanel;
184
185    private int mSystemUiVisibility = 0;
186
187    private int mNavigationIconHints = 0;
188
189    public Context getContext() { return mContext; }
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()) {
196                        showSearchPanel();
197                    }
198                break;
199            }
200            return false;
201        }
202    };
203
204    @Override
205    protected void createAndAddWindows() {
206        addStatusBarWindow();
207        addPanelWindows();
208    }
209
210    private void addStatusBarWindow() {
211        final View sb = makeStatusBarView();
212
213        final WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
214                ViewGroup.LayoutParams.MATCH_PARENT,
215                ViewGroup.LayoutParams.MATCH_PARENT,
216                WindowManager.LayoutParams.TYPE_NAVIGATION_BAR,
217                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
218                    | WindowManager.LayoutParams.FLAG_TOUCHABLE_WHEN_WAKING
219                    | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH,
220                // We use a pixel format of RGB565 for the status bar to save memory bandwidth and
221                // to ensure that the layer can be handled by HWComposer.  On some devices the
222                // HWComposer is unable to handle SW-rendered RGBX_8888 layers.
223                PixelFormat.RGB_565);
224
225        // We explicitly leave FLAG_HARDWARE_ACCELERATED out of the flags.  The status bar occupies
226        // very little screen real-estate and is updated fairly frequently.  By using CPU rendering
227        // for the status bar, we prevent the GPU from having to wake up just to do these small
228        // updates, which should help keep power consumption down.
229
230        lp.gravity = getStatusBarGravity();
231        lp.setTitle("SystemBar");
232        lp.packageName = mContext.getPackageName();
233        WindowManagerImpl.getDefault().addView(sb, lp);
234    }
235
236    protected void addPanelWindows() {
237        final Context context = mContext;
238        final Resources res = mContext.getResources();
239
240        // Notification Panel
241        mNotificationPanel = (NotificationPanel)View.inflate(context,
242                R.layout.system_bar_notification_panel, null);
243        mNotificationPanel.setBar(this);
244        mNotificationPanel.show(false, false);
245        mNotificationPanel.setOnTouchListener(
246                new TouchOutsideListener(MSG_CLOSE_NOTIFICATION_PANEL, mNotificationPanel));
247
248        // the battery icon
249        mBatteryController.addIconView((ImageView)mNotificationPanel.findViewById(R.id.battery));
250        mBatteryController.addLabelView(
251                (TextView)mNotificationPanel.findViewById(R.id.battery_text));
252
253        // Bt
254        mBluetoothController.addIconView(
255                (ImageView)mNotificationPanel.findViewById(R.id.bluetooth));
256
257        // network icons: either a combo icon that switches between mobile and data, or distinct
258        // mobile and data icons
259        final ImageView mobileRSSI =
260                (ImageView)mNotificationPanel.findViewById(R.id.mobile_signal);
261        if (mobileRSSI != null) {
262            mNetworkController.addPhoneSignalIconView(mobileRSSI);
263        }
264        final ImageView wifiRSSI =
265                (ImageView)mNotificationPanel.findViewById(R.id.wifi_signal);
266        if (wifiRSSI != null) {
267            mNetworkController.addWifiIconView(wifiRSSI);
268        }
269        mNetworkController.addWifiLabelView(
270                (TextView)mNotificationPanel.findViewById(R.id.wifi_text));
271
272        mNetworkController.addDataTypeIconView(
273                (ImageView)mNotificationPanel.findViewById(R.id.mobile_type));
274        mNetworkController.addMobileLabelView(
275                (TextView)mNotificationPanel.findViewById(R.id.mobile_text));
276        mNetworkController.addCombinedLabelView(
277                (TextView)mBarContents.findViewById(R.id.network_text));
278
279        mStatusBarView.setIgnoreChildren(0, mNotificationTrigger, mNotificationPanel);
280
281        WindowManager.LayoutParams lp = mNotificationPanelParams = new WindowManager.LayoutParams(
282                res.getDimensionPixelSize(R.dimen.notification_panel_width),
283                getNotificationPanelHeight(),
284                WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL,
285                WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
286                    | WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS
287                    | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM
288                    | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH
289                    | WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED,
290                PixelFormat.TRANSLUCENT);
291        lp.gravity = Gravity.BOTTOM | Gravity.RIGHT;
292        lp.setTitle("NotificationPanel");
293        lp.softInputMode = WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED
294                | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_NOTHING;
295        lp.windowAnimations = com.android.internal.R.style.Animation; // == no animation
296//        lp.windowAnimations = com.android.internal.R.style.Animation_ZoomButtons; // simple fade
297
298        WindowManagerImpl.getDefault().addView(mNotificationPanel, lp);
299
300        // Recents Panel
301        mRecentTasksLoader = new RecentTasksLoader(context);
302        updateRecentsPanel();
303
304        // Search Panel
305        mStatusBarView.setBar(this);
306        mHomeButton.setOnTouchListener(mHomeSearchActionListener);
307        updateSearchPanel();
308
309        // Input methods Panel
310        mInputMethodsPanel = (InputMethodsPanel) View.inflate(context,
311                R.layout.system_bar_input_methods_panel, null);
312        mInputMethodsPanel.setHardKeyboardEnabledChangeListener(this);
313        mInputMethodsPanel.setOnTouchListener(new TouchOutsideListener(
314                MSG_CLOSE_INPUT_METHODS_PANEL, mInputMethodsPanel));
315        mInputMethodsPanel.setImeSwitchButton(mInputMethodSwitchButton);
316        mStatusBarView.setIgnoreChildren(2, mInputMethodSwitchButton, mInputMethodsPanel);
317        lp = new WindowManager.LayoutParams(
318                ViewGroup.LayoutParams.WRAP_CONTENT,
319                ViewGroup.LayoutParams.WRAP_CONTENT,
320                WindowManager.LayoutParams.TYPE_STATUS_BAR_PANEL,
321                WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
322                    | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM
323                    | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH
324                    | WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED,
325                PixelFormat.TRANSLUCENT);
326        lp.gravity = Gravity.BOTTOM | Gravity.RIGHT;
327        lp.setTitle("InputMethodsPanel");
328        lp.windowAnimations = R.style.Animation_RecentPanel;
329
330        WindowManagerImpl.getDefault().addView(mInputMethodsPanel, lp);
331
332        // Compatibility mode selector panel
333        mCompatModePanel = (CompatModePanel) View.inflate(context,
334                R.layout.system_bar_compat_mode_panel, null);
335        mCompatModePanel.setOnTouchListener(new TouchOutsideListener(
336                MSG_CLOSE_COMPAT_MODE_PANEL, mCompatModePanel));
337        mCompatModePanel.setTrigger(mCompatModeButton);
338        mCompatModePanel.setVisibility(View.GONE);
339        mStatusBarView.setIgnoreChildren(3, mCompatModeButton, mCompatModePanel);
340        lp = new WindowManager.LayoutParams(
341                250,
342                ViewGroup.LayoutParams.WRAP_CONTENT,
343                WindowManager.LayoutParams.TYPE_STATUS_BAR_PANEL,
344                WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
345                    | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM
346                    | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH
347                    | WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED,
348                PixelFormat.TRANSLUCENT);
349        lp.gravity = Gravity.BOTTOM | Gravity.RIGHT;
350        lp.setTitle("CompatModePanel");
351        lp.windowAnimations = android.R.style.Animation_Dialog;
352
353        WindowManagerImpl.getDefault().addView(mCompatModePanel, lp);
354
355        mRecentButton.setOnTouchListener(mRecentsPanel);
356
357        mPile = (NotificationRowLayout)mNotificationPanel.findViewById(R.id.content);
358        mPile.removeAllViews();
359        mPile.setLongPressListener(getNotificationLongClicker());
360
361        ScrollView scroller = (ScrollView)mPile.getParent();
362        scroller.setFillViewport(true);
363    }
364
365    @Override
366    protected int getExpandedViewMaxHeight() {
367        return getNotificationPanelHeight();
368    }
369
370    private int getNotificationPanelHeight() {
371        final Resources res = mContext.getResources();
372        final Display d = WindowManagerImpl.getDefault().getDefaultDisplay();
373        final Point size = new Point();
374        d.getRealSize(size);
375        return Math.max(res.getDimensionPixelSize(R.dimen.notification_panel_min_height), size.y);
376    }
377
378    @Override
379    public void start() {
380        super.start(); // will add the main bar view
381    }
382
383    @Override
384    protected void onConfigurationChanged(Configuration newConfig) {
385        loadDimens();
386        mNotificationPanelParams.height = getNotificationPanelHeight();
387        WindowManagerImpl.getDefault().updateViewLayout(mNotificationPanel,
388                mNotificationPanelParams);
389        mRecentsPanel.updateValuesFromResources();
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    public View getStatusBarView() {
439        return mStatusBarView;
440    }
441
442    protected View makeStatusBarView() {
443        final Context context = mContext;
444
445        mWindowManager = IWindowManager.Stub.asInterface(
446                ServiceManager.getService(Context.WINDOW_SERVICE));
447
448        loadDimens();
449
450        final TabletStatusBarView sb = (TabletStatusBarView)View.inflate(
451                context, R.layout.system_bar, null);
452        mStatusBarView = sb;
453
454        sb.setHandler(mHandler);
455
456        try {
457            // Sanity-check that someone hasn't set up the config wrong and asked for a navigation
458            // bar on a tablet that has only the system bar
459            if (mWindowManager.hasNavigationBar()) {
460                Slog.e(TAG, "Tablet device cannot show navigation bar and system bar");
461            }
462        } catch (RemoteException ex) {
463        }
464
465        mBarContents = (ViewGroup) sb.findViewById(R.id.bar_contents);
466
467        // the whole right-hand side of the bar
468        mNotificationArea = sb.findViewById(R.id.notificationArea);
469        mNotificationArea.setOnTouchListener(new NotificationTriggerTouchListener());
470
471        // the button to open the notification area
472        mNotificationTrigger = sb.findViewById(R.id.notificationTrigger);
473
474        // the more notifications icon
475        mNotificationIconArea = (NotificationIconArea)sb.findViewById(R.id.notificationIcons);
476
477        // where the icons go
478        mIconLayout = (NotificationIconArea.IconLayout) sb.findViewById(R.id.icons);
479
480        ViewConfiguration vc = ViewConfiguration.get(context);
481        mNotificationPeekTapDuration = vc.getTapTimeout();
482        mNotificationFlingVelocity = 300; // px/s
483
484        mTicker = new TabletTicker(this);
485
486        // The icons
487        mLocationController = new LocationController(mContext); // will post a notification
488
489        // watch the PREF_DO_NOT_DISTURB and convert to appropriate disable() calls
490        mDoNotDisturb = new DoNotDisturb(mContext);
491
492        mBatteryController = new BatteryController(mContext);
493        mBatteryController.addIconView((ImageView)sb.findViewById(R.id.battery));
494        mBluetoothController = new BluetoothController(mContext);
495        mBluetoothController.addIconView((ImageView)sb.findViewById(R.id.bluetooth));
496
497        mNetworkController = new NetworkController(mContext);
498        final SignalClusterView signalCluster =
499                (SignalClusterView)sb.findViewById(R.id.signal_cluster);
500        mNetworkController.addSignalCluster(signalCluster);
501
502        // The navigation buttons
503        mBackButton = (ImageView)sb.findViewById(R.id.back);
504        mNavigationArea = (ViewGroup) sb.findViewById(R.id.navigationArea);
505        mHomeButton = mNavigationArea.findViewById(R.id.home);
506        mMenuButton = mNavigationArea.findViewById(R.id.menu);
507        mRecentButton = mNavigationArea.findViewById(R.id.recent_apps);
508        mRecentButton.setOnClickListener(mOnClickListener);
509
510        LayoutTransition lt = new LayoutTransition();
511        lt.setDuration(250);
512        // don't wait for these transitions; we just want icons to fade in/out, not move around
513        lt.setDuration(LayoutTransition.CHANGE_APPEARING, 0);
514        lt.setDuration(LayoutTransition.CHANGE_DISAPPEARING, 0);
515        lt.addTransitionListener(new LayoutTransition.TransitionListener() {
516            public void endTransition(LayoutTransition transition, ViewGroup container,
517                    View view, int transitionType) {
518                // ensure the menu button doesn't stick around on the status bar after it's been
519                // removed
520                mBarContents.invalidate();
521            }
522            public void startTransition(LayoutTransition transition, ViewGroup container,
523                    View view, int transitionType) {}
524        });
525        mNavigationArea.setLayoutTransition(lt);
526        // no multi-touch on the nav buttons
527        mNavigationArea.setMotionEventSplittingEnabled(false);
528
529        // The bar contents buttons
530        mFeedbackIconArea = (ViewGroup)sb.findViewById(R.id.feedbackIconArea);
531        mInputMethodSwitchButton = (InputMethodButton) sb.findViewById(R.id.imeSwitchButton);
532        // Overwrite the lister
533        mInputMethodSwitchButton.setOnClickListener(mOnClickListener);
534
535        mCompatModeButton = (CompatModeButton) sb.findViewById(R.id.compatModeButton);
536        mCompatModeButton.setOnClickListener(mOnClickListener);
537        mCompatModeButton.setVisibility(View.GONE);
538
539        // for redirecting errant bar taps to the IME
540        mFakeSpaceBar = sb.findViewById(R.id.fake_space_bar);
541
542        // "shadows" of the status bar features, for lights-out mode
543        mShadow = sb.findViewById(R.id.bar_shadow);
544        mShadow.setOnTouchListener(
545            new View.OnTouchListener() {
546                public boolean onTouch(View v, MotionEvent ev) {
547                    if (ev.getAction() == MotionEvent.ACTION_DOWN) {
548                        // even though setting the systemUI visibility below will turn these views
549                        // on, we need them to come up faster so that they can catch this motion
550                        // event
551                        mShadow.setVisibility(View.GONE);
552                        mBarContents.setVisibility(View.VISIBLE);
553
554                        try {
555                            mBarService.setSystemUiVisibility(0, View.SYSTEM_UI_FLAG_LOW_PROFILE);
556                        } catch (RemoteException ex) {
557                            // system process dead
558                        }
559                    }
560                    return false;
561                }
562            });
563
564        // tuning parameters
565        final int LIGHTS_GOING_OUT_SYSBAR_DURATION = 750;
566        final int LIGHTS_GOING_OUT_SHADOW_DURATION = 750;
567        final int LIGHTS_GOING_OUT_SHADOW_DELAY    = 0;
568
569        final int LIGHTS_COMING_UP_SYSBAR_DURATION = 200;
570//        final int LIGHTS_COMING_UP_SYSBAR_DELAY    = 50;
571        final int LIGHTS_COMING_UP_SHADOW_DURATION = 0;
572
573        LayoutTransition xition = new LayoutTransition();
574        xition.setAnimator(LayoutTransition.APPEARING,
575               ObjectAnimator.ofFloat(null, "alpha", 0.5f, 1f));
576        xition.setDuration(LayoutTransition.APPEARING, LIGHTS_COMING_UP_SYSBAR_DURATION);
577        xition.setStartDelay(LayoutTransition.APPEARING, 0);
578        xition.setAnimator(LayoutTransition.DISAPPEARING,
579               ObjectAnimator.ofFloat(null, "alpha", 1f, 0f));
580        xition.setDuration(LayoutTransition.DISAPPEARING, LIGHTS_GOING_OUT_SYSBAR_DURATION);
581        xition.setStartDelay(LayoutTransition.DISAPPEARING, 0);
582        ((ViewGroup)sb.findViewById(R.id.bar_contents_holder)).setLayoutTransition(xition);
583
584        xition = new LayoutTransition();
585        xition.setAnimator(LayoutTransition.APPEARING,
586               ObjectAnimator.ofFloat(null, "alpha", 0f, 1f));
587        xition.setDuration(LayoutTransition.APPEARING, LIGHTS_GOING_OUT_SHADOW_DURATION);
588        xition.setStartDelay(LayoutTransition.APPEARING, LIGHTS_GOING_OUT_SHADOW_DELAY);
589        xition.setAnimator(LayoutTransition.DISAPPEARING,
590               ObjectAnimator.ofFloat(null, "alpha", 1f, 0f));
591        xition.setDuration(LayoutTransition.DISAPPEARING, LIGHTS_COMING_UP_SHADOW_DURATION);
592        xition.setStartDelay(LayoutTransition.DISAPPEARING, 0);
593        ((ViewGroup)sb.findViewById(R.id.bar_shadow_holder)).setLayoutTransition(xition);
594
595        // set the initial view visibility
596        setAreThereNotifications();
597
598        // receive broadcasts
599        IntentFilter filter = new IntentFilter();
600        filter.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);
601        filter.addAction(Intent.ACTION_SCREEN_OFF);
602        context.registerReceiver(mBroadcastReceiver, filter);
603
604        return sb;
605    }
606
607    @Override
608    protected WindowManager.LayoutParams getRecentsLayoutParams(LayoutParams layoutParams) {
609        WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
610                (int) mContext.getResources().getDimension(R.dimen.status_bar_recents_width),
611                ViewGroup.LayoutParams.MATCH_PARENT,
612                WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL,
613                WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
614                | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM
615                | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH
616                | WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED,
617                PixelFormat.TRANSLUCENT);
618        lp.gravity = Gravity.BOTTOM | Gravity.LEFT;
619        lp.setTitle("RecentsPanel");
620        lp.windowAnimations = com.android.internal.R.style.Animation_RecentApplications;
621        lp.softInputMode = WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED
622            | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_NOTHING;
623
624        return lp;
625    }
626
627    @Override
628    protected WindowManager.LayoutParams getSearchLayoutParams(LayoutParams layoutParams) {
629        boolean opaque = false;
630        WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
631                LayoutParams.MATCH_PARENT,
632                LayoutParams.MATCH_PARENT,
633                WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL,
634                WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
635                        | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM
636                        | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH,
637                (opaque ? PixelFormat.OPAQUE : PixelFormat.TRANSLUCENT));
638        if (ActivityManager.isHighEndGfx(mDisplay)) {
639            lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
640        } else {
641            lp.flags |= WindowManager.LayoutParams.FLAG_DIM_BEHIND;
642            lp.dimAmount = 0.7f;
643        }
644        lp.gravity = Gravity.BOTTOM | Gravity.LEFT;
645        lp.setTitle("SearchPanel");
646        // TODO: Define custom animation for Search panel
647        lp.windowAnimations = com.android.internal.R.style.Animation_RecentApplications;
648        lp.softInputMode = WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED
649                | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_NOTHING;
650        return lp;
651    }
652
653    protected void updateRecentsPanel() {
654        super.updateRecentsPanel(R.layout.system_bar_recent_panel);
655        mRecentsPanel.setStatusBarView(mStatusBarView);
656    }
657
658    @Override
659    protected void updateSearchPanel() {
660        super.updateSearchPanel();
661        mSearchPanelView.setStatusBarView(mStatusBarView);
662        mStatusBarView.setDelegateView(mSearchPanelView);
663    }
664
665    @Override
666    public void showSearchPanel() {
667        super.showSearchPanel();
668        WindowManager.LayoutParams lp =
669            (android.view.WindowManager.LayoutParams) mStatusBarView.getLayoutParams();
670        lp.flags &= ~WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL;
671        WindowManagerImpl.getDefault().updateViewLayout(mStatusBarView, lp);
672    }
673
674    @Override
675    public void hideSearchPanel() {
676        super.hideSearchPanel();
677        WindowManager.LayoutParams lp =
678            (android.view.WindowManager.LayoutParams) mStatusBarView.getLayoutParams();
679        lp.flags |= WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL;
680        WindowManagerImpl.getDefault().updateViewLayout(mStatusBarView, lp);
681    }
682
683    public int getStatusBarHeight() {
684        return mStatusBarView != null ? mStatusBarView.getHeight()
685                : mContext.getResources().getDimensionPixelSize(
686                        com.android.internal.R.dimen.navigation_bar_height);
687    }
688
689    protected int getStatusBarGravity() {
690        return Gravity.BOTTOM | Gravity.FILL_HORIZONTAL;
691    }
692
693    public void onBarHeightChanged(int height) {
694        final WindowManager.LayoutParams lp
695                = (WindowManager.LayoutParams)mStatusBarView.getLayoutParams();
696        if (lp == null) {
697            // haven't been added yet
698            return;
699        }
700        if (lp.height != height) {
701            lp.height = height;
702            final WindowManager wm = WindowManagerImpl.getDefault();
703            wm.updateViewLayout(mStatusBarView, lp);
704        }
705    }
706
707    @Override
708    protected BaseStatusBar.H createHandler() {
709        return new TabletStatusBar.H();
710    }
711
712    private class H extends BaseStatusBar.H {
713        public void handleMessage(Message m) {
714            super.handleMessage(m);
715            switch (m.what) {
716                case MSG_OPEN_NOTIFICATION_PEEK:
717                    if (DEBUG) Slog.d(TAG, "opening notification peek window; arg=" + m.arg1);
718
719                    if (m.arg1 >= 0) {
720                        final int N = mNotificationData.size();
721
722                        if (!mNotificationDNDMode) {
723                            if (mNotificationPeekIndex >= 0 && mNotificationPeekIndex < N) {
724                                NotificationData.Entry entry = mNotificationData.get(N-1-mNotificationPeekIndex);
725                                entry.icon.setBackgroundColor(0);
726                                mNotificationPeekIndex = -1;
727                                mNotificationPeekKey = null;
728                            }
729                        }
730
731                        final int peekIndex = m.arg1;
732                        if (peekIndex < N) {
733                            //Slog.d(TAG, "loading peek: " + peekIndex);
734                            NotificationData.Entry entry =
735                                mNotificationDNDMode
736                                    ? mNotificationDNDDummyEntry
737                                    : mNotificationData.get(N-1-peekIndex);
738                            NotificationData.Entry copy = new NotificationData.Entry(
739                                    entry.key,
740                                    entry.notification,
741                                    entry.icon);
742                            inflateViews(copy, mNotificationPeekRow);
743
744                            if (mNotificationDNDMode) {
745                                copy.content.setOnClickListener(new View.OnClickListener() {
746                                    public void onClick(View v) {
747                                        SharedPreferences.Editor editor = Prefs.edit(mContext);
748                                        editor.putBoolean(Prefs.DO_NOT_DISTURB_PREF, false);
749                                        editor.apply();
750                                        animateCollapse();
751                                        visibilityChanged(false);
752                                    }
753                                });
754                            }
755
756                            entry.icon.setBackgroundColor(0x20FFFFFF);
757
758//                          mNotificationPeekRow.setLayoutTransition(
759//                              peekIndex < mNotificationPeekIndex
760//                                  ? mNotificationPeekScrubLeft
761//                                  : mNotificationPeekScrubRight);
762
763                            mNotificationPeekRow.removeAllViews();
764                            mNotificationPeekRow.addView(copy.row);
765
766                            mNotificationPeekWindow.setVisibility(View.VISIBLE);
767                            mNotificationPanel.show(false, true);
768
769                            mNotificationPeekIndex = peekIndex;
770                            mNotificationPeekKey = entry.key;
771                        }
772                    }
773                    break;
774                case MSG_CLOSE_NOTIFICATION_PEEK:
775                    if (DEBUG) Slog.d(TAG, "closing notification peek window");
776                    mNotificationPeekWindow.setVisibility(View.GONE);
777                    mNotificationPeekRow.removeAllViews();
778
779                    final int N = mNotificationData.size();
780                    if (mNotificationPeekIndex >= 0 && mNotificationPeekIndex < N) {
781                        NotificationData.Entry entry =
782                            mNotificationDNDMode
783                                ? mNotificationDNDDummyEntry
784                                : mNotificationData.get(N-1-mNotificationPeekIndex);
785                        entry.icon.setBackgroundColor(0);
786                    }
787
788                    mNotificationPeekIndex = -1;
789                    mNotificationPeekKey = null;
790                    break;
791                case MSG_OPEN_NOTIFICATION_PANEL:
792                    if (DEBUG) Slog.d(TAG, "opening notifications panel");
793                    if (!mNotificationPanel.isShowing()) {
794                        mNotificationPanel.show(true, true);
795                        mNotificationArea.setVisibility(View.INVISIBLE);
796                        mTicker.halt();
797                    }
798                    break;
799                case MSG_CLOSE_NOTIFICATION_PANEL:
800                    if (DEBUG) Slog.d(TAG, "closing notifications panel");
801                    if (mNotificationPanel.isShowing()) {
802                        mNotificationPanel.show(false, true);
803                        mNotificationArea.setVisibility(View.VISIBLE);
804                    }
805                    break;
806                case MSG_OPEN_INPUT_METHODS_PANEL:
807                    if (DEBUG) Slog.d(TAG, "opening input methods panel");
808                    if (mInputMethodsPanel != null) mInputMethodsPanel.openPanel();
809                    break;
810                case MSG_CLOSE_INPUT_METHODS_PANEL:
811                    if (DEBUG) Slog.d(TAG, "closing input methods panel");
812                    if (mInputMethodsPanel != null) mInputMethodsPanel.closePanel(false);
813                    break;
814                case MSG_OPEN_COMPAT_MODE_PANEL:
815                    if (DEBUG) Slog.d(TAG, "opening compat panel");
816                    if (mCompatModePanel != null) mCompatModePanel.openPanel();
817                    break;
818                case MSG_CLOSE_COMPAT_MODE_PANEL:
819                    if (DEBUG) Slog.d(TAG, "closing compat panel");
820                    if (mCompatModePanel != null) mCompatModePanel.closePanel();
821                    break;
822                case MSG_SHOW_CHROME:
823                    if (DEBUG) Slog.d(TAG, "hiding shadows (lights on)");
824                    mBarContents.setVisibility(View.VISIBLE);
825                    mShadow.setVisibility(View.GONE);
826                    mSystemUiVisibility &= ~View.SYSTEM_UI_FLAG_LOW_PROFILE;
827                    notifyUiVisibilityChanged();
828                    break;
829                case MSG_HIDE_CHROME:
830                    if (DEBUG) Slog.d(TAG, "showing shadows (lights out)");
831                    animateCollapse();
832                    visibilityChanged(false);
833                    mBarContents.setVisibility(View.GONE);
834                    mShadow.setVisibility(View.VISIBLE);
835                    mSystemUiVisibility |= View.SYSTEM_UI_FLAG_LOW_PROFILE;
836                    notifyUiVisibilityChanged();
837                    break;
838                case MSG_STOP_TICKER:
839                    mTicker.halt();
840                    break;
841            }
842        }
843    }
844
845    public void addIcon(String slot, int index, int viewIndex, StatusBarIcon icon) {
846        if (DEBUG) Slog.d(TAG, "addIcon(" + slot + ") -> " + icon);
847    }
848
849    public void updateIcon(String slot, int index, int viewIndex,
850            StatusBarIcon old, StatusBarIcon icon) {
851        if (DEBUG) Slog.d(TAG, "updateIcon(" + slot + ") -> " + icon);
852    }
853
854    public void removeIcon(String slot, int index, int viewIndex) {
855        if (DEBUG) Slog.d(TAG, "removeIcon(" + slot + ")");
856    }
857
858    public void addNotification(IBinder key, StatusBarNotification notification) {
859        if (DEBUG) Slog.d(TAG, "addNotification(" + key + " -> " + notification + ")");
860        addNotificationViews(key, notification);
861
862        final boolean immersive = isImmersive();
863        if (false && immersive) {
864            // TODO: immersive mode popups for tablet
865        } else if (notification.notification.fullScreenIntent != null) {
866            // not immersive & a full-screen alert should be shown
867            Slog.w(TAG, "Notification has fullScreenIntent and activity is not immersive;"
868                    + " sending fullScreenIntent");
869            try {
870                notification.notification.fullScreenIntent.send();
871            } catch (PendingIntent.CanceledException e) {
872            }
873        } else {
874            tick(key, notification, true);
875        }
876
877        setAreThereNotifications();
878    }
879
880    public void removeNotification(IBinder key) {
881        if (DEBUG) Slog.d(TAG, "removeNotification(" + key + ")");
882        removeNotificationViews(key);
883        mTicker.remove(key);
884        setAreThereNotifications();
885    }
886
887    public void showClock(boolean show) {
888        View clock = mBarContents.findViewById(R.id.clock);
889        View network_text = mBarContents.findViewById(R.id.network_text);
890        if (clock != null) {
891            clock.setVisibility(show ? View.VISIBLE : View.GONE);
892        }
893        if (network_text != null) {
894            network_text.setVisibility((!show) ? View.VISIBLE : View.GONE);
895        }
896    }
897
898    public void disable(int state) {
899        int old = mDisabled;
900        int diff = state ^ old;
901        mDisabled = state;
902
903        // act accordingly
904        if ((diff & StatusBarManager.DISABLE_CLOCK) != 0) {
905            boolean show = (state & StatusBarManager.DISABLE_CLOCK) == 0;
906            Slog.i(TAG, "DISABLE_CLOCK: " + (show ? "no" : "yes"));
907            showClock(show);
908        }
909        if ((diff & StatusBarManager.DISABLE_SYSTEM_INFO) != 0) {
910            boolean show = (state & StatusBarManager.DISABLE_SYSTEM_INFO) == 0;
911            Slog.i(TAG, "DISABLE_SYSTEM_INFO: " + (show ? "no" : "yes"));
912            mNotificationTrigger.setVisibility(show ? View.VISIBLE : View.GONE);
913        }
914        if ((diff & StatusBarManager.DISABLE_EXPAND) != 0) {
915            if ((state & StatusBarManager.DISABLE_EXPAND) != 0) {
916                Slog.i(TAG, "DISABLE_EXPAND: yes");
917                animateCollapse();
918                visibilityChanged(false);
919            }
920        }
921        if ((diff & StatusBarManager.DISABLE_NOTIFICATION_ICONS) != 0) {
922            mNotificationDNDMode = Prefs.read(mContext)
923                        .getBoolean(Prefs.DO_NOT_DISTURB_PREF, Prefs.DO_NOT_DISTURB_DEFAULT);
924
925            if ((state & StatusBarManager.DISABLE_NOTIFICATION_ICONS) != 0) {
926                Slog.i(TAG, "DISABLE_NOTIFICATION_ICONS: yes" + (mNotificationDNDMode?" (DND)":""));
927                mTicker.halt();
928            } else {
929                Slog.i(TAG, "DISABLE_NOTIFICATION_ICONS: no" + (mNotificationDNDMode?" (DND)":""));
930            }
931
932            // refresh icons to show either notifications or the DND message
933            reloadAllNotificationIcons();
934        } else if ((diff & StatusBarManager.DISABLE_NOTIFICATION_TICKER) != 0) {
935            if ((state & StatusBarManager.DISABLE_NOTIFICATION_TICKER) != 0) {
936                mTicker.halt();
937            }
938        }
939        if ((diff & (StatusBarManager.DISABLE_RECENT
940                        | StatusBarManager.DISABLE_BACK
941                        | StatusBarManager.DISABLE_HOME)) != 0) {
942            setNavigationVisibility(state);
943
944            if ((state & StatusBarManager.DISABLE_RECENT) != 0) {
945                // close recents if it's visible
946                mHandler.removeMessages(MSG_CLOSE_RECENTS_PANEL);
947                mHandler.sendEmptyMessage(MSG_CLOSE_RECENTS_PANEL);
948            }
949        }
950    }
951
952    private void setNavigationVisibility(int visibility) {
953        boolean disableHome = ((visibility & StatusBarManager.DISABLE_HOME) != 0);
954        boolean disableRecent = ((visibility & StatusBarManager.DISABLE_RECENT) != 0);
955        boolean disableBack = ((visibility & StatusBarManager.DISABLE_BACK) != 0);
956
957        mBackButton.setVisibility(disableBack ? View.INVISIBLE : View.VISIBLE);
958        mHomeButton.setVisibility(disableHome ? View.INVISIBLE : View.VISIBLE);
959        mRecentButton.setVisibility(disableRecent ? View.INVISIBLE : View.VISIBLE);
960
961        mInputMethodSwitchButton.setScreenLocked(
962                (visibility & StatusBarManager.DISABLE_SYSTEM_INFO) != 0);
963    }
964
965    private boolean hasTicker(Notification n) {
966        return n.tickerView != null || !TextUtils.isEmpty(n.tickerText);
967    }
968
969    @Override
970    protected void tick(IBinder key, StatusBarNotification n, boolean firstTime) {
971        // Don't show the ticker when the windowshade is open.
972        if (mNotificationPanel.isShowing()) {
973            return;
974        }
975        // If they asked for FLAG_ONLY_ALERT_ONCE, then only show this notification
976        // if it's a new notification.
977        if (!firstTime && (n.notification.flags & Notification.FLAG_ONLY_ALERT_ONCE) != 0) {
978            return;
979        }
980        // Show the ticker if one is requested. Also don't do this
981        // until status bar window is attached to the window manager,
982        // because...  well, what's the point otherwise?  And trying to
983        // run a ticker without being attached will crash!
984        if (hasTicker(n.notification) && mStatusBarView.getWindowToken() != null) {
985            if (0 == (mDisabled & (StatusBarManager.DISABLE_NOTIFICATION_ICONS
986                            | StatusBarManager.DISABLE_NOTIFICATION_TICKER))) {
987                mTicker.add(key, n);
988                mFeedbackIconArea.setVisibility(View.GONE);
989            }
990        }
991    }
992
993    // called by TabletTicker when it's done with all queued ticks
994    public void doneTicking() {
995        mFeedbackIconArea.setVisibility(View.VISIBLE);
996    }
997
998    public void animateExpand() {
999        mHandler.removeMessages(MSG_OPEN_NOTIFICATION_PANEL);
1000        mHandler.sendEmptyMessage(MSG_OPEN_NOTIFICATION_PANEL);
1001    }
1002
1003    public void animateCollapse() {
1004        animateCollapse(false);
1005    }
1006
1007    private void animateCollapse(boolean excludeRecents) {
1008        mHandler.removeMessages(MSG_CLOSE_NOTIFICATION_PANEL);
1009        mHandler.sendEmptyMessage(MSG_CLOSE_NOTIFICATION_PANEL);
1010        if (!excludeRecents) {
1011            mHandler.removeMessages(MSG_CLOSE_RECENTS_PANEL);
1012            mHandler.sendEmptyMessage(MSG_CLOSE_RECENTS_PANEL);
1013        }
1014        mHandler.removeMessages(MSG_CLOSE_INPUT_METHODS_PANEL);
1015        mHandler.sendEmptyMessage(MSG_CLOSE_INPUT_METHODS_PANEL);
1016        mHandler.removeMessages(MSG_CLOSE_COMPAT_MODE_PANEL);
1017        mHandler.sendEmptyMessage(MSG_CLOSE_COMPAT_MODE_PANEL);
1018        mHandler.removeMessages(MSG_CLOSE_SEARCH_PANEL);
1019        mHandler.sendEmptyMessage(MSG_CLOSE_SEARCH_PANEL);
1020    }
1021
1022    @Override // CommandQueue
1023    public void setNavigationIconHints(int hints) {
1024        if (hints == mNavigationIconHints) return;
1025
1026        if (DEBUG) {
1027            android.widget.Toast.makeText(mContext,
1028                "Navigation icon hints = " + hints,
1029                500).show();
1030        }
1031
1032        mNavigationIconHints = hints;
1033
1034        mBackButton.setAlpha(
1035            (0 != (hints & StatusBarManager.NAVIGATION_HINT_BACK_NOP)) ? 0.5f : 1.0f);
1036        mHomeButton.setAlpha(
1037            (0 != (hints & StatusBarManager.NAVIGATION_HINT_HOME_NOP)) ? 0.5f : 1.0f);
1038        mRecentButton.setAlpha(
1039            (0 != (hints & StatusBarManager.NAVIGATION_HINT_RECENT_NOP)) ? 0.5f : 1.0f);
1040
1041        mBackButton.setImageResource(
1042            (0 != (hints & StatusBarManager.NAVIGATION_HINT_BACK_ALT))
1043                ? R.drawable.ic_sysbar_back_ime
1044                : R.drawable.ic_sysbar_back);
1045    }
1046
1047    private void notifyUiVisibilityChanged() {
1048        try {
1049            mWindowManager.statusBarVisibilityChanged(mSystemUiVisibility);
1050        } catch (RemoteException ex) {
1051        }
1052    }
1053
1054    @Override // CommandQueue
1055    public void setSystemUiVisibility(int vis, int mask) {
1056        final int oldVal = mSystemUiVisibility;
1057        final int newVal = (oldVal&~mask) | (vis&mask);
1058        final int diff = newVal ^ oldVal;
1059
1060        if (diff != 0) {
1061            mSystemUiVisibility = newVal;
1062
1063            if (0 != (diff & View.SYSTEM_UI_FLAG_LOW_PROFILE)) {
1064                mHandler.removeMessages(MSG_HIDE_CHROME);
1065                mHandler.removeMessages(MSG_SHOW_CHROME);
1066                mHandler.sendEmptyMessage(0 == (vis & View.SYSTEM_UI_FLAG_LOW_PROFILE)
1067                        ? MSG_SHOW_CHROME : MSG_HIDE_CHROME);
1068            }
1069
1070            notifyUiVisibilityChanged();
1071        }
1072    }
1073
1074    public void setLightsOn(boolean on) {
1075        // Policy note: if the frontmost activity needs the menu key, we assume it is a legacy app
1076        // that can't handle lights-out mode.
1077        if (mMenuButton.getVisibility() == View.VISIBLE) {
1078            on = true;
1079        }
1080
1081        Slog.v(TAG, "setLightsOn(" + on + ")");
1082        if (on) {
1083            setSystemUiVisibility(0, View.SYSTEM_UI_FLAG_LOW_PROFILE);
1084        } else {
1085            setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE, View.SYSTEM_UI_FLAG_LOW_PROFILE);
1086        }
1087    }
1088
1089    public void topAppWindowChanged(boolean showMenu) {
1090        if (DEBUG) {
1091            Slog.d(TAG, (showMenu?"showing":"hiding") + " the MENU button");
1092        }
1093        mMenuButton.setVisibility(showMenu ? View.VISIBLE : View.GONE);
1094
1095        // See above re: lights-out policy for legacy apps.
1096        if (showMenu) setLightsOn(true);
1097
1098        mCompatModeButton.refresh();
1099        if (mCompatModeButton.getVisibility() == View.VISIBLE) {
1100            if (DEBUG_COMPAT_HELP
1101                    || ! Prefs.read(mContext).getBoolean(Prefs.SHOWN_COMPAT_MODE_HELP, false)) {
1102                showCompatibilityHelp();
1103            }
1104        } else {
1105            hideCompatibilityHelp();
1106            mCompatModePanel.closePanel();
1107        }
1108    }
1109
1110    private void showCompatibilityHelp() {
1111        if (mCompatibilityHelpDialog != null) {
1112            return;
1113        }
1114
1115        mCompatibilityHelpDialog = View.inflate(mContext, R.layout.compat_mode_help, null);
1116        View button = mCompatibilityHelpDialog.findViewById(R.id.button);
1117
1118        button.setOnClickListener(new View.OnClickListener() {
1119            @Override
1120            public void onClick(View v) {
1121                hideCompatibilityHelp();
1122                SharedPreferences.Editor editor = Prefs.edit(mContext);
1123                editor.putBoolean(Prefs.SHOWN_COMPAT_MODE_HELP, true);
1124                editor.apply();
1125            }
1126        });
1127
1128        WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
1129                ViewGroup.LayoutParams.MATCH_PARENT,
1130                ViewGroup.LayoutParams.MATCH_PARENT,
1131                WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG,
1132                WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
1133                    | WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS
1134                    | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
1135                PixelFormat.TRANSLUCENT);
1136        lp.setTitle("CompatibilityModeDialog");
1137        lp.softInputMode = WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED
1138                | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_NOTHING;
1139        lp.windowAnimations = com.android.internal.R.style.Animation_ZoomButtons; // simple fade
1140
1141        WindowManagerImpl.getDefault().addView(mCompatibilityHelpDialog, lp);
1142    }
1143
1144    private void hideCompatibilityHelp() {
1145        if (mCompatibilityHelpDialog != null) {
1146            WindowManagerImpl.getDefault().removeView(mCompatibilityHelpDialog);
1147            mCompatibilityHelpDialog = null;
1148        }
1149    }
1150
1151    public void setImeWindowStatus(IBinder token, int vis, int backDisposition) {
1152        mInputMethodSwitchButton.setImeWindowStatus(token,
1153                (vis & InputMethodService.IME_ACTIVE) != 0);
1154        updateNotificationIcons();
1155        mInputMethodsPanel.setImeToken(token);
1156
1157        boolean altBack = (backDisposition == InputMethodService.BACK_DISPOSITION_WILL_DISMISS)
1158            || ((vis & InputMethodService.IME_VISIBLE) != 0);
1159        mAltBackButtonEnabledForIme = altBack;
1160
1161        mCommandQueue.setNavigationIconHints(
1162                altBack ? (mNavigationIconHints | StatusBarManager.NAVIGATION_HINT_BACK_ALT)
1163                        : (mNavigationIconHints & ~StatusBarManager.NAVIGATION_HINT_BACK_ALT));
1164
1165        if (FAKE_SPACE_BAR) {
1166            mFakeSpaceBar.setVisibility(((vis & InputMethodService.IME_VISIBLE) != 0)
1167                    ? View.VISIBLE : View.GONE);
1168        }
1169    }
1170
1171    @Override
1172    public void onRecentsPanelVisibilityChanged(boolean visible) {
1173        boolean altBack = visible || mAltBackButtonEnabledForIme;
1174        mCommandQueue.setNavigationIconHints(
1175                altBack ? (mNavigationIconHints | StatusBarManager.NAVIGATION_HINT_BACK_ALT)
1176                        : (mNavigationIconHints & ~StatusBarManager.NAVIGATION_HINT_BACK_ALT));
1177    }
1178
1179    @Override
1180    public void setHardKeyboardStatus(boolean available, boolean enabled) {
1181        if (DEBUG) {
1182            Slog.d(TAG, "Set hard keyboard status: available=" + available
1183                    + ", enabled=" + enabled);
1184        }
1185        mInputMethodSwitchButton.setHardKeyboardStatus(available);
1186        updateNotificationIcons();
1187        mInputMethodsPanel.setHardKeyboardStatus(available, enabled);
1188    }
1189
1190    @Override
1191    public void onHardKeyboardEnabledChange(boolean enabled) {
1192        try {
1193            mBarService.setHardKeyboardEnabled(enabled);
1194        } catch (RemoteException ex) {
1195        }
1196    }
1197
1198    private boolean isImmersive() {
1199        try {
1200            return ActivityManagerNative.getDefault().isTopActivityImmersive();
1201            //Slog.d(TAG, "Top activity is " + (immersive?"immersive":"not immersive"));
1202        } catch (RemoteException ex) {
1203            // the end is nigh
1204            return false;
1205        }
1206    }
1207
1208    @Override
1209    protected void setAreThereNotifications() {
1210        if (mNotificationPanel != null) {
1211            mNotificationPanel.setClearable(mNotificationData.hasClearableItems());
1212        }
1213    }
1214
1215    private View.OnClickListener mOnClickListener = new View.OnClickListener() {
1216        public void onClick(View v) {
1217            if (v == mRecentButton) {
1218                onClickRecentButton();
1219            } else if (v == mInputMethodSwitchButton) {
1220                onClickInputMethodSwitchButton();
1221            } else if (v == mCompatModeButton) {
1222                onClickCompatModeButton();
1223            }
1224        }
1225    };
1226
1227    public void onClickRecentButton() {
1228        if (DEBUG) Slog.d(TAG, "clicked recent apps; disabled=" + mDisabled);
1229        if ((mDisabled & StatusBarManager.DISABLE_EXPAND) == 0) {
1230            int msg = (mRecentsPanel.getVisibility() == View.VISIBLE)
1231                ? MSG_CLOSE_RECENTS_PANEL : MSG_OPEN_RECENTS_PANEL;
1232            mHandler.removeMessages(msg);
1233            mHandler.sendEmptyMessage(msg);
1234        }
1235    }
1236
1237    public void onClickInputMethodSwitchButton() {
1238        if (DEBUG) Slog.d(TAG, "clicked input methods panel; disabled=" + mDisabled);
1239        int msg = (mInputMethodsPanel.getVisibility() == View.GONE) ?
1240                MSG_OPEN_INPUT_METHODS_PANEL : MSG_CLOSE_INPUT_METHODS_PANEL;
1241        mHandler.removeMessages(msg);
1242        mHandler.sendEmptyMessage(msg);
1243    }
1244
1245    public void onClickCompatModeButton() {
1246        int msg = (mCompatModePanel.getVisibility() == View.GONE) ?
1247                MSG_OPEN_COMPAT_MODE_PANEL : MSG_CLOSE_COMPAT_MODE_PANEL;
1248        mHandler.removeMessages(msg);
1249        mHandler.sendEmptyMessage(msg);
1250    }
1251
1252    private class NotificationTriggerTouchListener implements View.OnTouchListener {
1253        VelocityTracker mVT;
1254        float mInitialTouchX, mInitialTouchY;
1255        int mTouchSlop;
1256
1257        public NotificationTriggerTouchListener() {
1258            mTouchSlop = ViewConfiguration.get(getContext()).getScaledTouchSlop();
1259        }
1260
1261        private Runnable mHiliteOnR = new Runnable() { public void run() {
1262            mNotificationArea.setBackgroundResource(
1263                com.android.internal.R.drawable.list_selector_pressed_holo_dark);
1264        }};
1265        public void hilite(final boolean on) {
1266            if (on) {
1267                mNotificationArea.postDelayed(mHiliteOnR, 100);
1268            } else {
1269                mNotificationArea.removeCallbacks(mHiliteOnR);
1270                mNotificationArea.setBackgroundDrawable(null);
1271            }
1272        }
1273
1274        public boolean onTouch(View v, MotionEvent event) {
1275//            Slog.d(TAG, String.format("touch: (%.1f, %.1f) initial: (%.1f, %.1f)",
1276//                        event.getX(),
1277//                        event.getY(),
1278//                        mInitialTouchX,
1279//                        mInitialTouchY));
1280
1281            if ((mDisabled & StatusBarManager.DISABLE_EXPAND) != 0) {
1282                return true;
1283            }
1284
1285            final int action = event.getAction();
1286            switch (action) {
1287                case MotionEvent.ACTION_DOWN:
1288                    mVT = VelocityTracker.obtain();
1289                    mInitialTouchX = event.getX();
1290                    mInitialTouchY = event.getY();
1291                    hilite(true);
1292                    // fall through
1293                case MotionEvent.ACTION_OUTSIDE:
1294                case MotionEvent.ACTION_MOVE:
1295                    // check for fling
1296                    if (mVT != null) {
1297                        mVT.addMovement(event);
1298                        mVT.computeCurrentVelocity(1000); // pixels per second
1299                        // require a little more oomph once we're already in peekaboo mode
1300                        if (mVT.getYVelocity() < -mNotificationFlingVelocity) {
1301                            animateExpand();
1302                            visibilityChanged(true);
1303                            hilite(false);
1304                            mVT.recycle();
1305                            mVT = null;
1306                        }
1307                    }
1308                    return true;
1309                case MotionEvent.ACTION_UP:
1310                case MotionEvent.ACTION_CANCEL:
1311                    hilite(false);
1312                    if (mVT != null) {
1313                        if (action == MotionEvent.ACTION_UP
1314                         // was this a sloppy tap?
1315                         && Math.abs(event.getX() - mInitialTouchX) < mTouchSlop
1316                         && Math.abs(event.getY() - mInitialTouchY) < (mTouchSlop / 3)
1317                         // dragging off the bottom doesn't count
1318                         && (int)event.getY() < v.getBottom()) {
1319                            animateExpand();
1320                            visibilityChanged(true);
1321                            v.sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_CLICKED);
1322                            v.playSoundEffect(SoundEffectConstants.CLICK);
1323                        }
1324
1325                        mVT.recycle();
1326                        mVT = null;
1327                        return true;
1328                    }
1329            }
1330            return false;
1331        }
1332    }
1333
1334    public void resetNotificationPeekFadeTimer() {
1335        if (DEBUG) {
1336            Slog.d(TAG, "setting peek fade timer for " + NOTIFICATION_PEEK_FADE_DELAY
1337                + "ms from now");
1338        }
1339        mHandler.removeMessages(MSG_CLOSE_NOTIFICATION_PEEK);
1340        mHandler.sendEmptyMessageDelayed(MSG_CLOSE_NOTIFICATION_PEEK,
1341                NOTIFICATION_PEEK_FADE_DELAY);
1342    }
1343
1344    private class NotificationIconTouchListener implements View.OnTouchListener {
1345        VelocityTracker mVT;
1346        int mPeekIndex;
1347        float mInitialTouchX, mInitialTouchY;
1348        int mTouchSlop;
1349
1350        public NotificationIconTouchListener() {
1351            mTouchSlop = ViewConfiguration.get(getContext()).getScaledTouchSlop();
1352        }
1353
1354        public boolean onTouch(View v, MotionEvent event) {
1355            boolean peeking = mNotificationPeekWindow.getVisibility() != View.GONE;
1356            boolean panelShowing = mNotificationPanel.isShowing();
1357            if (panelShowing) return false;
1358
1359            int numIcons = mIconLayout.getChildCount();
1360            int newPeekIndex = (int)(event.getX() * numIcons / mIconLayout.getWidth());
1361            if (newPeekIndex > numIcons - 1) newPeekIndex = numIcons - 1;
1362            else if (newPeekIndex < 0) newPeekIndex = 0;
1363
1364            final int action = event.getAction();
1365            switch (action) {
1366                case MotionEvent.ACTION_DOWN:
1367                    mVT = VelocityTracker.obtain();
1368                    mInitialTouchX = event.getX();
1369                    mInitialTouchY = event.getY();
1370                    mPeekIndex = -1;
1371
1372                    // fall through
1373                case MotionEvent.ACTION_OUTSIDE:
1374                case MotionEvent.ACTION_MOVE:
1375                    // peek and switch icons if necessary
1376
1377                    if (newPeekIndex != mPeekIndex) {
1378                        mPeekIndex = newPeekIndex;
1379
1380                        if (DEBUG) Slog.d(TAG, "will peek at notification #" + mPeekIndex);
1381                        Message peekMsg = mHandler.obtainMessage(MSG_OPEN_NOTIFICATION_PEEK);
1382                        peekMsg.arg1 = mPeekIndex;
1383
1384                        mHandler.removeMessages(MSG_OPEN_NOTIFICATION_PEEK);
1385
1386                        if (peeking) {
1387                            // no delay if we're scrubbing left-right
1388                            mHandler.sendMessage(peekMsg);
1389                        } else {
1390                            // wait for fling
1391                            mHandler.sendMessageDelayed(peekMsg, NOTIFICATION_PEEK_HOLD_THRESH);
1392                        }
1393                    }
1394
1395                    // check for fling
1396                    if (mVT != null) {
1397                        mVT.addMovement(event);
1398                        mVT.computeCurrentVelocity(1000); // pixels per second
1399                        // require a little more oomph once we're already in peekaboo mode
1400                        if (!panelShowing && (
1401                               (peeking && mVT.getYVelocity() < -mNotificationFlingVelocity*3)
1402                            || (mVT.getYVelocity() < -mNotificationFlingVelocity))) {
1403                            mHandler.removeMessages(MSG_OPEN_NOTIFICATION_PEEK);
1404                            mHandler.removeMessages(MSG_OPEN_NOTIFICATION_PANEL);
1405                            mHandler.sendEmptyMessage(MSG_CLOSE_NOTIFICATION_PEEK);
1406                            mHandler.sendEmptyMessage(MSG_OPEN_NOTIFICATION_PANEL);
1407                        }
1408                    }
1409                    return true;
1410                case MotionEvent.ACTION_UP:
1411                case MotionEvent.ACTION_CANCEL:
1412                    mHandler.removeMessages(MSG_OPEN_NOTIFICATION_PEEK);
1413                    if (!peeking) {
1414                        if (action == MotionEvent.ACTION_UP
1415                                // was this a sloppy tap?
1416                                && Math.abs(event.getX() - mInitialTouchX) < mTouchSlop
1417                                && Math.abs(event.getY() - mInitialTouchY) < (mTouchSlop / 3)
1418                                // dragging off the bottom doesn't count
1419                                && (int)event.getY() < v.getBottom()) {
1420                            Message peekMsg = mHandler.obtainMessage(MSG_OPEN_NOTIFICATION_PEEK);
1421                            peekMsg.arg1 = mPeekIndex;
1422                            mHandler.removeMessages(MSG_OPEN_NOTIFICATION_PEEK);
1423                            mHandler.sendMessage(peekMsg);
1424
1425                            v.sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_CLICKED);
1426                            v.playSoundEffect(SoundEffectConstants.CLICK);
1427
1428                            peeking = true; // not technically true yet, but the next line will run
1429                        }
1430                    }
1431
1432                    if (peeking) {
1433                        resetNotificationPeekFadeTimer();
1434                    }
1435
1436                    mVT.recycle();
1437                    mVT = null;
1438                    return true;
1439            }
1440            return false;
1441        }
1442    }
1443
1444    private void reloadAllNotificationIcons() {
1445        if (mIconLayout == null) return;
1446        mIconLayout.removeAllViews();
1447        updateNotificationIcons();
1448    }
1449
1450    @Override
1451    protected void updateNotificationIcons() {
1452        // XXX: need to implement a new limited linear layout class
1453        // to avoid removing & readding everything
1454
1455        if (mIconLayout == null) return;
1456
1457        // first, populate the main notification panel
1458        loadNotificationPanel();
1459
1460        final LinearLayout.LayoutParams params
1461            = new LinearLayout.LayoutParams(mIconSize + 2*mIconHPadding, mNaturalBarHeight);
1462
1463        // alternate behavior in DND mode
1464        if (mNotificationDNDMode) {
1465            if (mIconLayout.getChildCount() == 0) {
1466                final Notification dndNotification = new Notification.Builder(mContext)
1467                    .setContentTitle(mContext.getText(R.string.notifications_off_title))
1468                    .setContentText(mContext.getText(R.string.notifications_off_text))
1469                    .setSmallIcon(R.drawable.ic_notification_dnd)
1470                    .setOngoing(true)
1471                    .getNotification();
1472
1473                final StatusBarIconView iconView = new StatusBarIconView(mContext, "_dnd",
1474                        dndNotification);
1475                iconView.setImageResource(R.drawable.ic_notification_dnd);
1476                iconView.setScaleType(ImageView.ScaleType.CENTER_INSIDE);
1477                iconView.setPadding(mIconHPadding, 0, mIconHPadding, 0);
1478
1479                mNotificationDNDDummyEntry = new NotificationData.Entry(
1480                        null,
1481                        new StatusBarNotification("", 0, "", 0, 0, Notification.PRIORITY_MAX, dndNotification),
1482                        iconView);
1483
1484                mIconLayout.addView(iconView, params);
1485            }
1486
1487            return;
1488        } else if (0 != (mDisabled & StatusBarManager.DISABLE_NOTIFICATION_ICONS)) {
1489            // if icons are disabled but we're not in DND mode, this is probably Setup and we should
1490            // just leave the area totally empty
1491            return;
1492        }
1493
1494        int N = mNotificationData.size();
1495
1496        if (DEBUG) {
1497            Slog.d(TAG, "refreshing icons: " + N + " notifications, mIconLayout=" + mIconLayout);
1498        }
1499
1500        ArrayList<View> toShow = new ArrayList<View>();
1501
1502        // Extra Special Icons
1503        // The IME switcher and compatibility mode icons take the place of notifications. You didn't
1504        // need to see all those new emails, did you?
1505        int maxNotificationIconsCount = mMaxNotificationIcons;
1506        if (mInputMethodSwitchButton.getVisibility() != View.GONE) maxNotificationIconsCount --;
1507        if (mCompatModeButton.getVisibility()        != View.GONE) maxNotificationIconsCount --;
1508
1509        for (int i=0; toShow.size()< maxNotificationIconsCount; i++) {
1510            if (i >= N) break;
1511            Entry ent = mNotificationData.get(N-i-1);
1512            if (ent.notification.score >= HIDE_ICONS_BELOW_SCORE) {
1513                toShow.add(ent.icon);
1514            }
1515        }
1516
1517        ArrayList<View> toRemove = new ArrayList<View>();
1518        for (int i=0; i<mIconLayout.getChildCount(); i++) {
1519            View child = mIconLayout.getChildAt(i);
1520            if (!toShow.contains(child)) {
1521                toRemove.add(child);
1522            }
1523        }
1524
1525        for (View remove : toRemove) {
1526            mIconLayout.removeView(remove);
1527        }
1528
1529        for (int i=0; i<toShow.size(); i++) {
1530            View v = toShow.get(i);
1531            v.setPadding(mIconHPadding, 0, mIconHPadding, 0);
1532            if (v.getParent() == null) {
1533                mIconLayout.addView(v, i, params);
1534            }
1535        }
1536    }
1537
1538    private void loadNotificationPanel() {
1539        int N = mNotificationData.size();
1540
1541        ArrayList<View> toShow = new ArrayList<View>();
1542
1543        for (int i=0; i<N; i++) {
1544            View row = mNotificationData.get(N-i-1).row;
1545            toShow.add(row);
1546        }
1547
1548        ArrayList<View> toRemove = new ArrayList<View>();
1549        for (int i=0; i<mPile.getChildCount(); i++) {
1550            View child = mPile.getChildAt(i);
1551            if (!toShow.contains(child)) {
1552                toRemove.add(child);
1553            }
1554        }
1555
1556        for (View remove : toRemove) {
1557            mPile.removeView(remove);
1558        }
1559
1560        for (int i=0; i<toShow.size(); i++) {
1561            View v = toShow.get(i);
1562            if (v.getParent() == null) {
1563                // the notification panel has the most important things at the bottom
1564                mPile.addView(v, N-1-i);
1565            }
1566        }
1567
1568        mNotificationPanel.setNotificationCount(N);
1569    }
1570
1571    @Override
1572    protected void workAroundBadLayerDrawableOpacity(View v) {
1573        Drawable bgd = v.getBackground();
1574        if (!(bgd instanceof LayerDrawable)) return;
1575
1576        LayerDrawable d = (LayerDrawable) bgd;
1577        v.setBackgroundDrawable(null);
1578        d.setOpacity(PixelFormat.TRANSLUCENT);
1579        v.setBackgroundDrawable(d);
1580    }
1581
1582    public void clearAll() {
1583        try {
1584            mBarService.onClearAllNotifications();
1585        } catch (RemoteException ex) {
1586            // system process is dead if we're here.
1587        }
1588        animateCollapse();
1589        visibilityChanged(false);
1590    }
1591
1592    private BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {
1593        public void onReceive(Context context, Intent intent) {
1594            String action = intent.getAction();
1595            if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action)
1596                || Intent.ACTION_SCREEN_OFF.equals(action)) {
1597                boolean excludeRecents = false;
1598                if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action)) {
1599                    String reason = intent.getStringExtra("reason");
1600                    if (reason != null) {
1601                        excludeRecents = reason.equals(SYSTEM_DIALOG_REASON_RECENT_APPS);
1602                    }
1603                }
1604                if (Intent.ACTION_SCREEN_OFF.equals(action)) {
1605                    // If we're turning the screen off, we want to hide the
1606                    // recents panel with no animation
1607                    // TODO: hide other things, like the notification tray,
1608                    // with no animation as well
1609                    mRecentsPanel.show(false, false);
1610                    excludeRecents = true;
1611                }
1612                animateCollapse(excludeRecents);
1613            }
1614        }
1615    };
1616
1617    public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
1618        pw.print("mDisabled=0x");
1619        pw.println(Integer.toHexString(mDisabled));
1620        pw.println("mNetworkController:");
1621        mNetworkController.dump(fd, pw, args);
1622    }
1623
1624    @Override
1625    protected boolean isTopNotification(ViewGroup parent, NotificationData.Entry entry) {
1626        return parent.indexOfChild(entry.row) == parent.getChildCount()-1;
1627    }
1628
1629    @Override
1630    protected void haltTicker() {
1631        mTicker.halt();
1632    }
1633
1634    @Override
1635    protected void updateExpandedViewPos(int expandedPosition) {
1636    }
1637
1638    @Override
1639    protected boolean shouldDisableNavbarGestures() {
1640        return mNotificationPanel.getVisibility() == View.VISIBLE
1641                || (mDisabled & StatusBarManager.DISABLE_HOME) != 0;
1642    }
1643}
1644
1645
1646