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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 android.net.Uri;
import android.provider.MediaStore.Images;
import android.provider.MediaStore.Video;
import com.android.gallery3d.app.GalleryApp;
import java.util.ArrayList;
// This class lists all media items added by the client.
public class SecureAlbum extends MediaSet {
@SuppressWarnings("unused")
private static final String TAG = "SecureAlbum";
private ArrayList<Path> mItems = new ArrayList<Path>();
private DataManager mDataManager;
private static final Uri[] mWatchUris =
{Images.Media.EXTERNAL_CONTENT_URI, Video.Media.EXTERNAL_CONTENT_URI};
private final ChangeNotifier mNotifier;
public SecureAlbum(Path path, GalleryApp application) {
super(path, nextVersionNumber());
mDataManager = application.getDataManager();
mNotifier = new ChangeNotifier(this, mWatchUris, application);
}
public void addMediaItem(boolean isVideo, int id) {
if (isVideo) {
mItems.add(0, Path.fromString("/local/video/item/" + id));
} else {
mItems.add(0, Path.fromString("/local/image/item/" + id));
}
mNotifier.fakeChange();
}
@Override
public ArrayList<MediaItem> getMediaItem(int start, int count) {
if (start >= mItems.size()) {
return new ArrayList<MediaItem>();
}
int end = Math.min(start + count, mItems.size());
ArrayList<Path> subset = new ArrayList<Path>(mItems.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;
}
};
mDataManager.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
public int getMediaItemCount() {
return mItems.size();
}
@Override
public String getName() {
return "secure";
}
@Override
public long reload() {
if (mNotifier.isDirty()) {
mDataVersion = nextVersionNumber();
}
return mDataVersion;
}
@Override
public boolean isLeafAlbum() {
return true;
}
}
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