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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.gallery3d.data;
import com.android.gallery3d.app.GalleryApp;
public class SnailSource extends MediaSource {
@SuppressWarnings("unused")
private static final String TAG = "SnailSource";
private static final int SNAIL_ALBUM = 0;
private static final int SNAIL_ITEM = 1;
private GalleryApp mApplication;
private PathMatcher mMatcher;
private static int sNextId;
public SnailSource(GalleryApp application) {
super("snail");
mApplication = application;
mMatcher = new PathMatcher();
mMatcher.add("/snail/set/*", SNAIL_ALBUM);
mMatcher.add("/snail/item/*", SNAIL_ITEM);
}
// The only path we accept is "/snail/set/id" and "/snail/item/id"
@Override
public MediaObject createMediaObject(Path path) {
DataManager dataManager = mApplication.getDataManager();
switch (mMatcher.match(path)) {
case SNAIL_ALBUM:
String itemPath = "/snail/item/" + mMatcher.getVar(0);
SnailItem item =
(SnailItem) dataManager.getMediaObject(itemPath);
return new SnailAlbum(path, item);
case SNAIL_ITEM: {
int id = mMatcher.getIntVar(0);
return new SnailItem(path);
}
}
return null;
}
// Registers a new SnailAlbum containing a SnailItem and returns the id of
// them. You can obtain the Path of the SnailAlbum and SnailItem associated
// with the id by getSetPath and getItemPath().
public static synchronized int newId() {
return sNextId++;
}
public static Path getSetPath(int id) {
return Path.fromString("/snail/set").getChild(id);
}
public static Path getItemPath(int id) {
return Path.fromString("/snail/item").getChild(id);
}
}
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