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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 com.android.gallery3d.app.GalleryApp;
class ClusterSource extends MediaSource {
static final int CLUSTER_ALBUMSET_TIME = 0;
static final int CLUSTER_ALBUMSET_LOCATION = 1;
static final int CLUSTER_ALBUMSET_TAG = 2;
static final int CLUSTER_ALBUMSET_SIZE = 3;
static final int CLUSTER_ALBUMSET_FACE = 4;
static final int CLUSTER_ALBUM_TIME = 0x100;
static final int CLUSTER_ALBUM_LOCATION = 0x101;
static final int CLUSTER_ALBUM_TAG = 0x102;
static final int CLUSTER_ALBUM_SIZE = 0x103;
static final int CLUSTER_ALBUM_FACE = 0x104;
GalleryApp mApplication;
PathMatcher mMatcher;
public ClusterSource(GalleryApp application) {
super("cluster");
mApplication = application;
mMatcher = new PathMatcher();
mMatcher.add("/cluster/*/time", CLUSTER_ALBUMSET_TIME);
mMatcher.add("/cluster/*/location", CLUSTER_ALBUMSET_LOCATION);
mMatcher.add("/cluster/*/tag", CLUSTER_ALBUMSET_TAG);
mMatcher.add("/cluster/*/size", CLUSTER_ALBUMSET_SIZE);
mMatcher.add("/cluster/*/face", CLUSTER_ALBUMSET_FACE);
mMatcher.add("/cluster/*/time/*", CLUSTER_ALBUM_TIME);
mMatcher.add("/cluster/*/location/*", CLUSTER_ALBUM_LOCATION);
mMatcher.add("/cluster/*/tag/*", CLUSTER_ALBUM_TAG);
mMatcher.add("/cluster/*/size/*", CLUSTER_ALBUM_SIZE);
mMatcher.add("/cluster/*/face/*", CLUSTER_ALBUM_FACE);
}
// The names we accept are:
// /cluster/{set}/time /cluster/{set}/time/k
// /cluster/{set}/location /cluster/{set}/location/k
// /cluster/{set}/tag /cluster/{set}/tag/encoded_tag
// /cluster/{set}/size /cluster/{set}/size/min_size
@Override
public MediaObject createMediaObject(Path path) {
int matchType = mMatcher.match(path);
String setsName = mMatcher.getVar(0);
DataManager dataManager = mApplication.getDataManager();
MediaSet[] sets = dataManager.getMediaSetsFromString(setsName);
switch (matchType) {
case CLUSTER_ALBUMSET_TIME:
case CLUSTER_ALBUMSET_LOCATION:
case CLUSTER_ALBUMSET_TAG:
case CLUSTER_ALBUMSET_SIZE:
case CLUSTER_ALBUMSET_FACE:
return new ClusterAlbumSet(path, mApplication, sets[0], matchType);
case CLUSTER_ALBUM_TIME:
case CLUSTER_ALBUM_LOCATION:
case CLUSTER_ALBUM_TAG:
case CLUSTER_ALBUM_SIZE:
case CLUSTER_ALBUM_FACE: {
MediaSet parent = dataManager.getMediaSet(path.getParent());
// The actual content in the ClusterAlbum will be filled later
// when the reload() method in the parent is run.
return new ClusterAlbum(path, dataManager, parent);
}
default:
throw new RuntimeException("bad path: " + path);
}
}
}
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