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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/*
* 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.gallery3d.gadget;
import android.annotation.TargetApi;
import android.appwidget.AppWidgetManager;
import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.widget.RemoteViews;
import android.widget.RemoteViewsService;
import com.android.gallery3d.R;
import com.android.gallery3d.app.GalleryApp;
import com.android.gallery3d.common.ApiHelper;
import com.android.gallery3d.data.ContentListener;
import com.android.gallery3d.data.DataManager;
import com.android.gallery3d.data.MediaSet;
import com.android.gallery3d.data.Path;
@TargetApi(ApiHelper.VERSION_CODES.HONEYCOMB)
public class WidgetService extends RemoteViewsService {
@SuppressWarnings("unused")
private static final String TAG = "GalleryAppWidgetService";
public static final String EXTRA_WIDGET_TYPE = "widget-type";
public static final String EXTRA_ALBUM_PATH = "album-path";
@Override
public RemoteViewsFactory onGetViewFactory(Intent intent) {
int id = intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID,
AppWidgetManager.INVALID_APPWIDGET_ID);
int type = intent.getIntExtra(EXTRA_WIDGET_TYPE, 0);
String albumPath = intent.getStringExtra(EXTRA_ALBUM_PATH);
return new PhotoRVFactory((GalleryApp) getApplicationContext(),
id, type, albumPath);
}
private static class EmptySource implements WidgetSource {
@Override
public int size() {
return 0;
}
@Override
public Bitmap getImage(int index) {
throw new UnsupportedOperationException();
}
@Override
public Uri getContentUri(int index) {
throw new UnsupportedOperationException();
}
@Override
public void setContentListener(ContentListener listener) {}
@Override
public void reload() {}
@Override
public void close() {}
}
private static class PhotoRVFactory implements
RemoteViewsService.RemoteViewsFactory, ContentListener {
private final int mAppWidgetId;
private final int mType;
private final String mAlbumPath;
private final GalleryApp mApp;
private WidgetSource mSource;
public PhotoRVFactory(GalleryApp app, int id, int type, String albumPath) {
mApp = app;
mAppWidgetId = id;
mType = type;
mAlbumPath = albumPath;
}
@Override
public void onCreate() {
if (mType == WidgetDatabaseHelper.TYPE_ALBUM) {
Path path = Path.fromString(mAlbumPath);
DataManager manager = mApp.getDataManager();
MediaSet mediaSet = (MediaSet) manager.getMediaObject(path);
mSource = mediaSet == null
? new EmptySource()
: new MediaSetSource(mediaSet);
} else {
mSource = new LocalPhotoSource(mApp.getAndroidContext());
}
mSource.setContentListener(this);
AppWidgetManager.getInstance(mApp.getAndroidContext())
.notifyAppWidgetViewDataChanged(
mAppWidgetId, R.id.appwidget_stack_view);
}
@Override
public void onDestroy() {
mSource.close();
mSource = null;
}
public int getCount() {
return mSource.size();
}
public long getItemId(int position) {
return position;
}
public int getViewTypeCount() {
return 1;
}
public boolean hasStableIds() {
return true;
}
public RemoteViews getLoadingView() {
RemoteViews rv = new RemoteViews(
mApp.getAndroidContext().getPackageName(),
R.layout.appwidget_loading_item);
rv.setProgressBar(R.id.appwidget_loading_item, 0, 0, true);
return rv;
}
public RemoteViews getViewAt(int position) {
Bitmap bitmap = mSource.getImage(position);
if (bitmap == null) return getLoadingView();
RemoteViews views = new RemoteViews(
mApp.getAndroidContext().getPackageName(),
R.layout.appwidget_photo_item);
views.setImageViewBitmap(R.id.appwidget_photo_item, bitmap);
views.setOnClickFillInIntent(R.id.appwidget_photo_item, new Intent()
.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
.setData(mSource.getContentUri(position)));
return views;
}
@Override
public void onDataSetChanged() {
mSource.reload();
}
@Override
public void onContentDirty() {
AppWidgetManager.getInstance(mApp.getAndroidContext())
.notifyAppWidgetViewDataChanged(
mAppWidgetId, R.id.appwidget_stack_view);
}
}
}
|
