1/*
2 * Copyright (C) 2012 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.launcher2;
18
19import java.io.IOException;
20import java.util.ArrayList;
21
22import com.android.launcher.R;
23
24import android.app.WallpaperManager;
25import android.content.BroadcastReceiver;
26import android.content.Context;
27import android.content.Intent;
28import android.content.res.Resources;
29
30/**
31 * Takes care of setting initial wallpaper for a user, by selecting the
32 * first wallpaper that is not in use by another user.
33 */
34public class UserInitializeReceiver extends BroadcastReceiver {
35    @Override
36    public void onReceive(Context context, Intent intent) {
37        final Resources resources = context.getResources();
38        // Context.getPackageName() may return the "original" package name,
39        // com.android.launcher2; Resources needs the real package name,
40        // com.android.launcher. So we ask Resources for what it thinks the
41        // package name should be.
42        final String packageName = resources.getResourcePackageName(R.array.wallpapers);
43        ArrayList<Integer> list = new ArrayList<Integer>();
44        addWallpapers(resources, packageName, R.array.wallpapers, list);
45        addWallpapers(resources, packageName, R.array.extra_wallpapers, list);
46        WallpaperManager wpm = (WallpaperManager) context.getSystemService(
47                Context.WALLPAPER_SERVICE);
48        for (int i=1; i<list.size(); i++) {
49            int resid = list.get(i);
50            if (!wpm.hasResourceWallpaper(resid)) {
51                try {
52                    wpm.setResource(resid);
53                } catch (IOException e) {
54                }
55                return;
56            }
57        }
58    }
59
60    private void addWallpapers(Resources resources, String packageName, int resid,
61            ArrayList<Integer> outList) {
62        final String[] extras = resources.getStringArray(resid);
63        for (String extra : extras) {
64            int res = resources.getIdentifier(extra, "drawable", packageName);
65            if (res != 0) {
66                outList.add(res);
67            }
68        }
69    }
70}
71