1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.browser.widget;
import com.android.browser.BrowserActivity;
import com.android.browser.R;
import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.widget.RemoteViews;
/**
* Widget that shows a preview of the user's bookmarks.
*/
public class BookmarkThumbnailWidgetProvider extends AppWidgetProvider {
public static final String ACTION_BOOKMARK_APPWIDGET_UPDATE =
"com.android.browser.BOOKMARK_APPWIDGET_UPDATE";
@Override
public void onReceive(Context context, Intent intent) {
// Handle bookmark-specific updates ourselves because they might be
// coming in without extras, which AppWidgetProvider then blocks.
final String action = intent.getAction();
if (ACTION_BOOKMARK_APPWIDGET_UPDATE.equals(action)) {
AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context);
performUpdate(context, appWidgetManager,
appWidgetManager.getAppWidgetIds(getComponentName(context)));
} else {
super.onReceive(context, intent);
}
}
@Override
public void onUpdate(Context context, AppWidgetManager mngr, int[] ids) {
performUpdate(context, mngr, ids);
}
@Override
public void onDeleted(Context context, int[] appWidgetIds) {
super.onDeleted(context, appWidgetIds);
for (int widgetId : appWidgetIds) {
BookmarkThumbnailWidgetService.deleteWidgetState(context, widgetId);
}
removeOrphanedFiles(context);
}
@Override
public void onDisabled(Context context) {
super.onDisabled(context);
removeOrphanedFiles(context);
}
/**
* Checks for any state files that may have not received onDeleted
*/
void removeOrphanedFiles(Context context) {
AppWidgetManager wm = AppWidgetManager.getInstance(context);
int[] ids = wm.getAppWidgetIds(getComponentName(context));
BookmarkThumbnailWidgetService.removeOrphanedStates(context, ids);
}
private void performUpdate(Context context,
AppWidgetManager appWidgetManager, int[] appWidgetIds) {
PendingIntent launchBrowser = PendingIntent.getActivity(context, 0,
new Intent(BrowserActivity.ACTION_SHOW_BROWSER, null, context,
BrowserActivity.class),
PendingIntent.FLAG_UPDATE_CURRENT);
for (int appWidgetId : appWidgetIds) {
Intent updateIntent = new Intent(context, BookmarkThumbnailWidgetService.class);
updateIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId);
updateIntent.setData(Uri.parse(updateIntent.toUri(Intent.URI_INTENT_SCHEME)));
RemoteViews views = new RemoteViews(context.getPackageName(),
R.layout.bookmarkthumbnailwidget);
views.setOnClickPendingIntent(R.id.app_shortcut, launchBrowser);
views.setRemoteAdapter(appWidgetId, R.id.bookmarks_list, updateIntent);
appWidgetManager.notifyAppWidgetViewDataChanged(appWidgetId, R.id.bookmarks_list);
Intent ic = new Intent(context, BookmarkWidgetProxy.class);
views.setPendingIntentTemplate(R.id.bookmarks_list,
PendingIntent.getBroadcast(context, 0, ic,
PendingIntent.FLAG_UPDATE_CURRENT));
appWidgetManager.updateAppWidget(appWidgetId, views);
}
}
/**
* Build {@link ComponentName} describing this specific
* {@link AppWidgetProvider}
*/
static ComponentName getComponentName(Context context) {
return new ComponentName(context, BookmarkThumbnailWidgetProvider.class);
}
public static void refreshWidgets(Context context) {
refreshWidgets(context, false);
}
public static void refreshWidgets(Context context, boolean zeroState) {
if (zeroState) {
final Context appContext = context.getApplicationContext();
new Thread() {
@Override
public void run() {
AppWidgetManager wm = AppWidgetManager.getInstance(appContext);
int[] ids = wm.getAppWidgetIds(getComponentName(appContext));
for (int id : ids) {
BookmarkThumbnailWidgetService.clearWidgetState(appContext, id);
}
refreshWidgets(appContext, false);
}
}.start();
} else {
context.sendBroadcast(new Intent(
BookmarkThumbnailWidgetProvider.ACTION_BOOKMARK_APPWIDGET_UPDATE,
null, context, BookmarkThumbnailWidgetProvider.class));
}
}
}
|
