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 FilterSource extends MediaSource { 22 private static final String TAG = "FilterSource"; 23 private static final int FILTER_BY_MEDIATYPE = 0; 24 private static final int FILTER_BY_DELETE = 1; 25 26 private GalleryApp mApplication; 27 private PathMatcher mMatcher; 28 29 public FilterSource(GalleryApp application) { 30 super("filter"); 31 mApplication = application; 32 mMatcher = new PathMatcher(); 33 mMatcher.add("/filter/mediatype/*/*", FILTER_BY_MEDIATYPE); 34 mMatcher.add("/filter/delete/*", FILTER_BY_DELETE); 35 } 36 37 // The name we accept are: 38 // /filter/mediatype/k/{set} where k is the media type we want. 39 // /filter/delete/{set} 40 @Override 41 public MediaObject createMediaObject(Path path) { 42 int matchType = mMatcher.match(path); 43 DataManager dataManager = mApplication.getDataManager(); 44 switch (matchType) { 45 case FILTER_BY_MEDIATYPE: { 46 int mediaType = mMatcher.getIntVar(0); 47 String setsName = mMatcher.getVar(1); 48 MediaSet[] sets = dataManager.getMediaSetsFromString(setsName); 49 return new FilterTypeSet(path, dataManager, sets[0], mediaType); 50 } 51 case FILTER_BY_DELETE: { 52 String setsName = mMatcher.getVar(0); 53 MediaSet[] sets = dataManager.getMediaSetsFromString(setsName); 54 return new FilterDeleteSet(path, sets[0]); 55 } 56 default: 57 throw new RuntimeException("bad path: " + path); 58 } 59 } 60 } 61
