1 /*
2  * Copyright (C) 2009 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.launcher2;
18 
19 import android.appwidget.AppWidgetHost;
20 import android.appwidget.AppWidgetHostView;
21 import android.appwidget.AppWidgetProviderInfo;
22 import android.content.Context;
23 
24 /**
25  * Specific {@link AppWidgetHost} that creates our {@link LauncherAppWidgetHostView}
26  * which correctly captures all long-press events. This ensures that users can
27  * always pick up and move widgets.
28  */
29 public class LauncherAppWidgetHost extends AppWidgetHost {
30 
31     Launcher mLauncher;
32 
LauncherAppWidgetHost(Launcher launcher, int hostId)33     public LauncherAppWidgetHost(Launcher launcher, int hostId) {
34         super(launcher, hostId);
35         mLauncher = launcher;
36     }
37 
38     @Override
onCreateView(Context context, int appWidgetId, AppWidgetProviderInfo appWidget)39     protected AppWidgetHostView onCreateView(Context context, int appWidgetId,
40             AppWidgetProviderInfo appWidget) {
41         return new LauncherAppWidgetHostView(context);
42     }
43 
44     @Override
stopListening()45     public void stopListening() {
46         super.stopListening();
47         clearViews();
48     }
49 
onProvidersChanged()50     protected void onProvidersChanged() {
51         // Once we get the message that widget packages are updated, we need to rebind items
52         // in AppsCustomize accordingly.
53         mLauncher.bindPackagesUpdated(LauncherModel.getSortedWidgetsAndShortcuts(mLauncher));
54     }
55 }
56