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      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 
     17 package com.android.gallery3d.data;
     18 
     19 import com.android.gallery3d.app.GalleryApp;
     20 
     21 public class SecureSource extends MediaSource {
     22     private GalleryApp mApplication;
     23     private static PathMatcher mMatcher = new PathMatcher();
     24     private static final int SECURE_ALBUM = 0;
     25     private static final int SECURE_UNLOCK = 1;
     26 
     27     static {
     28         mMatcher.add("/secure/all/*", SECURE_ALBUM);
     29         mMatcher.add("/secure/unlock", SECURE_UNLOCK);
     30     }
     31 
     32     public SecureSource(GalleryApp context) {
     33         super("secure");
     34         mApplication = context;
     35     }
     36 
     37     public static boolean isSecurePath(String path) {
     38         return (SECURE_ALBUM == mMatcher.match(Path.fromString(path)));
     39     }
     40 
     41     @Override
     42     public MediaObject createMediaObject(Path path) {
     43         switch (mMatcher.match(path)) {
     44             case SECURE_ALBUM: {
     45                 DataManager dataManager = mApplication.getDataManager();
     46                 MediaItem unlock = (MediaItem) dataManager.getMediaObject(
     47                         "/secure/unlock");
     48                 return new SecureAlbum(path, mApplication, unlock);
     49             }
     50             case SECURE_UNLOCK:
     51                 return new UnlockImage(path, mApplication);
     52             default:
     53                 throw new RuntimeException("bad path: " + path);
     54         }
     55     }
     56 }
     57