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 17 package com.android.gallery3d.data; 18 19 import com.android.gallery3d.app.GalleryApp; 20 21 class 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 ComboSource(GalleryApp application)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 createMediaObject(Path path)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