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.camera;
18 
19 import com.android.camera.PhotoAppWidgetProvider.PhotoDatabaseHelper;
20 
21 import android.app.Activity;
22 import android.appwidget.AppWidgetManager;
23 import android.content.Intent;
24 import android.graphics.Bitmap;
25 import android.os.Bundle;
26 import android.util.Log;
27 import android.widget.RemoteViews;
28 
29 import java.util.ArrayList;
30 
31 class PhotoAppWidgetBind extends NoSearchActivity {
32     private static final String TAG = "PhotoAppWidgetBind";
33     private static final String EXTRA_APPWIDGET_BITMAPS =
34             "com.android.camera.appwidgetbitmaps";
35 
36     @Override
onCreate(Bundle icicle)37     protected void onCreate(Bundle icicle) {
38         super.onCreate(icicle);
39         finish();
40 
41         // The caller has requested that we bind a given bitmap to a specific
42         // appWidgetId, which probably is happening during a Launcher upgrade.
43         // This is dangerous because the caller could set bitmaps on
44         // appWidgetIds they don't own, so we guard this call at the manifest
45         // level by requiring the BIND_APPWIDGET permission.
46 
47         final Intent intent = getIntent();
48         final Bundle extras = intent.getExtras();
49 
50         final int[] appWidgetIds =
51                 extras.getIntArray(AppWidgetManager.EXTRA_APPWIDGET_IDS);
52         final ArrayList<Bitmap> bitmaps =
53                 extras.getParcelableArrayList(EXTRA_APPWIDGET_BITMAPS);
54 
55         if (appWidgetIds == null || bitmaps == null
56                 || appWidgetIds.length != bitmaps.size()) {
57             Log.e(TAG, "Problem parsing photo widget bind request");
58             return;
59         }
60 
61         AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(this);
62         PhotoDatabaseHelper helper = new PhotoDatabaseHelper(this);
63         for (int i = 0; i < appWidgetIds.length; i++) {
64             // Store the cropped photo in our database
65             int appWidgetId = appWidgetIds[i];
66             helper.setPhoto(appWidgetId, bitmaps.get(i));
67 
68             // Push newly updated widget to surface
69             RemoteViews views =
70                     PhotoAppWidgetProvider.buildUpdate(this, appWidgetId,
71                     helper);
72             appWidgetManager.updateAppWidget(new int[] { appWidgetId }, views);
73         }
74         helper.close();
75     }
76 }
77