1/*
2 * Copyright (C) 2010 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.gallery3d.data;
18
19import com.android.gallery3d.app.GalleryApp;
20
21class ComboSource extends MediaSource {
22    private static final int COMBO_ALBUMSET = 0;
23    private static final int COMBO_ALBUM = 1;
24    private GalleryApp mApplication;
25    private PathMatcher mMatcher;
26
27    public ComboSource(GalleryApp application) {
28        super("combo");
29        mApplication = application;
30        mMatcher = new PathMatcher();
31        mMatcher.add("/combo/*", COMBO_ALBUMSET);
32        mMatcher.add("/combo/*/*", COMBO_ALBUM);
33    }
34
35    // The only path we accept is "/combo/{set1, set2, ...} and /combo/item/{set1, set2, ...}"
36    @Override
37    public MediaObject createMediaObject(Path path) {
38        String[] segments = path.split();
39        if (segments.length < 2) {
40            throw new RuntimeException("bad path: " + path);
41        }
42
43        DataManager dataManager = mApplication.getDataManager();
44        switch (mMatcher.match(path)) {
45            case COMBO_ALBUMSET:
46                return new ComboAlbumSet(path, mApplication,
47                        dataManager.getMediaSetsFromString(segments[1]));
48
49            case COMBO_ALBUM:
50                return new ComboAlbum(path,
51                        dataManager.getMediaSetsFromString(segments[2]), segments[1]);
52        }
53        return null;
54    }
55}
56