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/*
* Copyright (C) 2010 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 java.util.ArrayList;
public class ClusterAlbum extends MediaSetWrapper implements ContentListener {
@SuppressWarnings("unused")
private static final String TAG = "ClusterAlbum";
private ArrayList<Path> mPaths = new ArrayList<Path>();
private String mName = "";
private DataManager mDataManager;
private MediaSet mClusterAlbumSet;
private MediaItem mCover;
public ClusterAlbum(Path path, DataManager dataManager,
MediaSet clusterAlbumSet) {
super(clusterAlbumSet, path, nextVersionNumber());
mDataManager = dataManager;
mClusterAlbumSet = clusterAlbumSet;
mClusterAlbumSet.addContentListener(this);
}
public void setCoverMediaItem(MediaItem cover) {
mCover = cover;
}
@Override
public MediaItem getCoverMediaItem() {
return mCover != null ? mCover : super.getCoverMediaItem();
}
void setMediaItems(ArrayList<Path> paths) {
mPaths = paths;
}
ArrayList<Path> getMediaItems() {
return mPaths;
}
public void setName(String name) {
mName = name;
}
@Override
public String getName() {
return mName;
}
@Override
public int getMediaItemCount() {
return mPaths.size();
}
@Override
public ArrayList<MediaItem> getMediaItem(int start, int count) {
return getMediaItemFromPath(mPaths, start, count, mDataManager);
}
public static ArrayList<MediaItem> getMediaItemFromPath(
ArrayList<Path> paths, int start, int count,
DataManager dataManager) {
if (start >= paths.size()) {
return new ArrayList<MediaItem>();
}
int end = Math.min(start + count, paths.size());
ArrayList<Path> subset = new ArrayList<Path>(paths.subList(start, end));
final MediaItem[] buf = new MediaItem[end - start];
ItemConsumer consumer = new ItemConsumer() {
@Override
public void consume(int index, MediaItem item) {
buf[index] = item;
}
};
dataManager.mapMediaItems(subset, consumer, 0);
ArrayList<MediaItem> result = new ArrayList<MediaItem>(end - start);
for (int i = 0; i < buf.length; i++) {
result.add(buf[i]);
}
return result;
}
@Override
protected int enumerateMediaItems(ItemConsumer consumer, int startIndex) {
mDataManager.mapMediaItems(mPaths, consumer, startIndex);
return mPaths.size();
}
@Override
public int getTotalMediaItemCount() {
return mPaths.size();
}
@Override
public void onContentDirty() {
notifyContentChanged();
}
@Override
public int getSupportedOperations() {
return SUPPORT_SHARE | SUPPORT_DELETE | SUPPORT_INFO;
}
@Override
public void delete() {
ItemConsumer consumer = new ItemConsumer() {
@Override
public void consume(int index, MediaItem item) {
if ((item.getSupportedOperations() & SUPPORT_DELETE) != 0) {
item.delete();
}
}
};
mDataManager.mapMediaItems(mPaths, consumer, 0);
}
@Override
public boolean isLeafAlbum() {
return true;
}
}
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