1/*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package com.android.dreams.phototable;
17
18import android.content.Context;
19import android.content.SharedPreferences;
20
21import java.io.InputStream;
22import java.util.Collection;
23import java.util.LinkedList;
24
25/**
26 * Loads images from a variety of sources.
27 */
28public class PhotoSourcePlexor extends PhotoSource {
29    private static final String TAG = "PhotoTable.PhotoSourcePlexor";
30
31    private final PhotoSource mPicasaSource;
32    private final PhotoSource mLocalSource;
33
34    public PhotoSourcePlexor(Context context, SharedPreferences settings) {
35        super(context, settings);
36        mSourceName = TAG;
37        mPicasaSource = new PicasaSource(context, settings);
38        mLocalSource = new LocalSource(context, settings);
39    }
40
41    @Override
42    public Collection<AlbumData> findAlbums() {
43        log(TAG, "finding albums");
44        LinkedList<AlbumData> foundAlbums = new LinkedList<AlbumData>();
45
46        foundAlbums.addAll(mPicasaSource.findAlbums());
47        log(TAG, "found " + foundAlbums.size() + " network albums");
48
49        foundAlbums.addAll(mLocalSource.findAlbums());
50        log(TAG, "found " + foundAlbums.size() + " user albums");
51
52        return foundAlbums;
53    }
54
55    @Override
56    protected Collection<ImageData> findImages(int howMany) {
57        log(TAG, "finding images");
58        LinkedList<ImageData> foundImages = new LinkedList<ImageData>();
59
60        foundImages.addAll(mPicasaSource.findImages(howMany));
61        log(TAG, "found " + foundImages.size() + " network images");
62
63        foundImages.addAll(mLocalSource.findImages(howMany));
64        log(TAG, "found " + foundImages.size() + " user images");
65
66        return foundImages;
67    }
68
69    @Override
70    protected InputStream getStream(ImageData data, int longSide) {
71        return data.getStream(longSide);
72    }
73
74    @Override
75    protected ImageData naturalNext(ImageData current) {
76        return current.naturalNext();
77    }
78
79    @Override
80    protected ImageData naturalPrevious(ImageData current) {
81        return current.naturalPrevious();
82    }
83
84    @Override
85    protected void donePaging(ImageData current) {
86        current.donePaging();
87    }
88}
89