SingleItemAlbum.java

/*
 * 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.fastergallery.data;

import java.util.ArrayList;

public class SingleItemAlbum extends MediaSet {
	@SuppressWarnings("unused")
	private static final String TAG = "SingleItemAlbum";
	private final MediaItem mItem;
	private final String mName;

	public SingleItemAlbum(Path path, MediaItem item) {
		super(path, nextVersionNumber());
		mItem = item;
		mName = "SingleItemAlbum(" + mItem.getClass().getSimpleName() + ")";
	}

	@Override
	public int getMediaItemCount() {
		return 1;
	}

	@Override
	public ArrayList<MediaItem> getMediaItem(int start, int count) {
		ArrayList<MediaItem> result = new ArrayList<MediaItem>();

		// If [start, start+count) contains the index 0, return the item.
		if (start <= 0 && start + count > 0) {
			result.add(mItem);
		}

		return result;
	}

	public MediaItem getItem() {
		return mItem;
	}

	@Override
	public boolean isLeafAlbum() {
		return true;
	}

	@Override
	public String getName() {
		return mName;
	}

	@Override
	public long reload() {
		return mDataVersion;
	}
}